Merge "Create new directory for statsd restricted configs"
diff --git a/bootstat/bootstat.rc b/bootstat/bootstat.rc
index 23f01d1..22bd0e7 100644
--- a/bootstat/bootstat.rc
+++ b/bootstat/bootstat.rc
@@ -40,15 +40,6 @@
chown system log /data/misc/bootstat/time_since_last_boot
# end ota transitional support
-# Record the time at which the user has successfully entered the pin to decrypt
-# the device, /data is decrypted, and the system is entering the main boot phase.
-#
-# post-fs-data: /data is writable
-# property:init.svc.bootanim=running: The boot animation is running
-# property:ro.crypto.type=block: FDE device
-on post-fs-data && property:init.svc.bootanim=running && property:ro.crypto.type=block
- exec_background - system log -- /system/bin/bootstat -r post_decrypt_time_elapsed
-
# Initialize bootstat state machine.
#
# sys.bootstat.first_boot_completed: responsible for making sure that record_boot_complete happens
diff --git a/debuggerd/Android.bp b/debuggerd/Android.bp
index 7afbbe7..5da1b40 100644
--- a/debuggerd/Android.bp
+++ b/debuggerd/Android.bp
@@ -98,6 +98,7 @@
"libbase_headers",
"libdebuggerd_common_headers",
"bionic_libc_platform_headers",
+ "gwp_asan_headers",
],
whole_static_libs: [
@@ -467,28 +468,36 @@
arch: {
arm: {
src: "seccomp_policy/crash_dump.arm.policy",
+ required: [
+ "crash_dump.policy_other",
+ ],
},
arm64: {
src: "seccomp_policy/crash_dump.arm64.policy",
+ required: [
+ "crash_dump.policy_other",
+ ],
},
riscv64: {
src: "seccomp_policy/crash_dump.riscv64.policy",
},
x86: {
src: "seccomp_policy/crash_dump.x86.policy",
+ required: [
+ "crash_dump.policy_other",
+ ],
},
x86_64: {
src: "seccomp_policy/crash_dump.x86_64.policy",
+ required: [
+ "crash_dump.policy_other",
+ ],
},
},
- required: [
- "crash_dump.policy_other",
- ],
}
-// NB -- this installs "the other" architecture. (puts 32 bit config in on 64 bit device)
-// or at least that is the intention so that we get both of them populated
+// This installs the "other" architecture (so 32-bit on 64-bit device).
prebuilt_etc {
name: "crash_dump.policy_other",
sub_dir: "seccomp_policy",
diff --git a/debuggerd/crash_dump.cpp b/debuggerd/crash_dump.cpp
index e3ea455..cbb1181 100644
--- a/debuggerd/crash_dump.cpp
+++ b/debuggerd/crash_dump.cpp
@@ -23,7 +23,6 @@
#include <sys/types.h>
#include <sys/un.h>
#include <sys/wait.h>
-#include <syscall.h>
#include <unistd.h>
#include <limits>
@@ -266,10 +265,12 @@
}
static void ReadCrashInfo(unique_fd& fd, siginfo_t* siginfo,
- std::unique_ptr<unwindstack::Regs>* regs, ProcessInfo* process_info) {
+ std::unique_ptr<unwindstack::Regs>* regs, ProcessInfo* process_info,
+ bool* recoverable_gwp_asan_crash) {
std::aligned_storage<sizeof(CrashInfo) + 1, alignof(CrashInfo)>::type buf;
CrashInfo* crash_info = reinterpret_cast<CrashInfo*>(&buf);
ssize_t rc = TEMP_FAILURE_RETRY(read(fd.get(), &buf, sizeof(buf)));
+ *recoverable_gwp_asan_crash = false;
if (rc == -1) {
PLOG(FATAL) << "failed to read target ucontext";
} else {
@@ -304,6 +305,8 @@
process_info->scudo_stack_depot = crash_info->data.d.scudo_stack_depot;
process_info->scudo_region_info = crash_info->data.d.scudo_region_info;
process_info->scudo_ring_buffer = crash_info->data.d.scudo_ring_buffer;
+ process_info->scudo_ring_buffer_size = crash_info->data.d.scudo_ring_buffer_size;
+ *recoverable_gwp_asan_crash = crash_info->data.d.recoverable_gwp_asan_crash;
FALLTHROUGH_INTENDED;
case 1:
case 2:
@@ -468,6 +471,7 @@
std::map<pid_t, ThreadInfo> thread_info;
siginfo_t siginfo;
std::string error;
+ bool recoverable_gwp_asan_crash = false;
{
ATRACE_NAME("ptrace");
@@ -519,7 +523,8 @@
if (thread == g_target_thread) {
// Read the thread's registers along with the rest of the crash info out of the pipe.
- ReadCrashInfo(input_pipe, &siginfo, &info.registers, &process_info);
+ ReadCrashInfo(input_pipe, &siginfo, &info.registers, &process_info,
+ &recoverable_gwp_asan_crash);
info.siginfo = &siginfo;
info.signo = info.siginfo->si_signo;
@@ -646,7 +651,7 @@
}
}
- if (fatal_signal) {
+ if (fatal_signal && !recoverable_gwp_asan_crash) {
// Don't try to notify ActivityManager if it just crashed, or we might hang until timeout.
if (thread_info[target_process].thread_name != "system_server") {
activity_manager_notify(target_process, signo, amfd_data);
diff --git a/debuggerd/crasher/Android.bp b/debuggerd/crasher/Android.bp
index effd480..fe1689c 100644
--- a/debuggerd/crasher/Android.bp
+++ b/debuggerd/crasher/Android.bp
@@ -15,14 +15,11 @@
"-fstack-protector-all",
"-Wno-date-time",
],
+ tidy: false, // crasher.cpp tests many memory access errors
srcs: ["crasher.cpp"],
arch: {
arm: {
srcs: ["arm/crashglue.S"],
-
- neon: {
- asflags: ["-DHAS_VFP_D32"],
- },
},
arm64: {
srcs: ["arm64/crashglue.S"],
diff --git a/debuggerd/crasher/arm/crashglue.S b/debuggerd/crasher/arm/crashglue.S
index 4fbfd6e..8649056 100644
--- a/debuggerd/crasher/arm/crashglue.S
+++ b/debuggerd/crasher/arm/crashglue.S
@@ -32,7 +32,6 @@
fconstd d13, #13
fconstd d14, #14
fconstd d15, #15
-#if defined(HAS_VFP_D32)
fconstd d16, #16
fconstd d17, #17
fconstd d18, #18
@@ -49,7 +48,6 @@
fconstd d29, #29
fconstd d30, #30
fconstd d31, #31
-#endif
mov lr, #0
ldr lr, [lr]
diff --git a/debuggerd/debuggerd_test.cpp b/debuggerd/debuggerd_test.cpp
index c08721b..895c111 100644
--- a/debuggerd/debuggerd_test.cpp
+++ b/debuggerd/debuggerd_test.cpp
@@ -36,6 +36,7 @@
#include <string>
#include <thread>
+#include <android/dlext.h>
#include <android/fdsan.h>
#include <android/set_abort_message.h>
#include <bionic/malloc.h>
@@ -64,6 +65,7 @@
#include "crash_test.h"
#include "debuggerd/handler.h"
+#include "gtest/gtest.h"
#include "libdebuggerd/utility.h"
#include "protocol.h"
#include "tombstoned/tombstoned.h"
@@ -110,19 +112,6 @@
ASSERT_MATCH(result, \
R"(#\d\d pc [0-9a-f]+\s+ \S+ (\(offset 0x[0-9a-f]+\) )?\()" frame_name R"(\+)");
-// Enable GWP-ASan at the start of this process. GWP-ASan is enabled using
-// process sampling, so we need to ensure we force GWP-ASan on.
-__attribute__((constructor)) static void enable_gwp_asan() {
- android_mallopt_gwp_asan_options_t opts;
- // No, we're not an app, but let's turn ourselves on without sampling.
- // Technically, if someone's using the *.default_app sysprops, they'll adjust
- // our settings, but I don't think this will be common on a device that's
- // running debuggerd_tests.
- opts.desire = android_mallopt_gwp_asan_options_t::Action::TURN_ON_FOR_APP;
- opts.program_name = "";
- android_mallopt(M_INITIALIZE_GWP_ASAN, &opts, sizeof(android_mallopt_gwp_asan_options_t));
-}
-
static void tombstoned_intercept(pid_t target_pid, unique_fd* intercept_fd, unique_fd* output_fd,
InterceptStatus* status, DebuggerdDumpType intercept_type) {
intercept_fd->reset(socket_local_client(kTombstonedInterceptSocketName,
@@ -445,6 +434,8 @@
ASSERT_MATCH(result, "memory near x0 \\(\\[anon:");
#elif defined(__arm__)
ASSERT_MATCH(result, "memory near r0 \\(\\[anon:");
+#elif defined(__riscv)
+ ASSERT_MATCH(result, "memory near a0 \\(\\[anon:");
#elif defined(__x86_64__)
ASSERT_MATCH(result, "memory near rdi \\(\\[anon:");
#else
@@ -466,76 +457,6 @@
}
#endif
-// Number of iterations required to reliably guarantee a GWP-ASan crash.
-// GWP-ASan's sample rate is not truly nondeterministic, it initialises a
-// thread-local counter at 2*SampleRate, and decrements on each malloc(). Once
-// the counter reaches zero, we provide a sampled allocation. Then, double that
-// figure to allow for left/right allocation alignment, as this is done randomly
-// without bias.
-#define GWP_ASAN_ITERATIONS_TO_ENSURE_CRASH (0x20000)
-
-struct GwpAsanTestParameters {
- size_t alloc_size;
- bool free_before_access;
- int access_offset;
- std::string cause_needle; // Needle to be found in the "Cause: [GWP-ASan]" line.
-};
-
-struct GwpAsanCrasherTest : CrasherTest, testing::WithParamInterface<GwpAsanTestParameters> {};
-
-GwpAsanTestParameters gwp_asan_tests[] = {
- {/* alloc_size */ 7, /* free_before_access */ true, /* access_offset */ 0, "Use After Free, 0 bytes into a 7-byte allocation"},
- {/* alloc_size */ 7, /* free_before_access */ true, /* access_offset */ 1, "Use After Free, 1 byte into a 7-byte allocation"},
- {/* alloc_size */ 7, /* free_before_access */ false, /* access_offset */ 16, "Buffer Overflow, 9 bytes right of a 7-byte allocation"},
- {/* alloc_size */ 16, /* free_before_access */ false, /* access_offset */ -1, "Buffer Underflow, 1 byte left of a 16-byte allocation"},
-};
-
-INSTANTIATE_TEST_SUITE_P(GwpAsanTests, GwpAsanCrasherTest, testing::ValuesIn(gwp_asan_tests));
-
-TEST_P(GwpAsanCrasherTest, gwp_asan_uaf) {
- if (mte_supported()) {
- // Skip this test on MTE hardware, as MTE will reliably catch these errors
- // instead of GWP-ASan.
- GTEST_SKIP() << "Skipped on MTE.";
- }
- // Skip this test on HWASan, which will reliably catch test errors as well.
- SKIP_WITH_HWASAN;
-
- GwpAsanTestParameters params = GetParam();
- LogcatCollector logcat_collector;
-
- int intercept_result;
- unique_fd output_fd;
- StartProcess([¶ms]() {
- for (unsigned i = 0; i < GWP_ASAN_ITERATIONS_TO_ENSURE_CRASH; ++i) {
- volatile char* p = reinterpret_cast<volatile char*>(malloc(params.alloc_size));
- if (params.free_before_access) free(static_cast<void*>(const_cast<char*>(p)));
- p[params.access_offset] = 42;
- if (!params.free_before_access) free(static_cast<void*>(const_cast<char*>(p)));
- }
- });
-
- StartIntercept(&output_fd);
- FinishCrasher();
- AssertDeath(SIGSEGV);
- FinishIntercept(&intercept_result);
-
- ASSERT_EQ(1, intercept_result) << "tombstoned reported failure";
-
- std::vector<std::string> log_sources(2);
- ConsumeFd(std::move(output_fd), &log_sources[0]);
- logcat_collector.Collect(&log_sources[1]);
-
- for (const auto& result : log_sources) {
- ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code 2 \(SEGV_ACCERR\))");
- ASSERT_MATCH(result, R"(Cause: \[GWP-ASan\]: )" + params.cause_needle);
- if (params.free_before_access) {
- ASSERT_MATCH(result, R"(deallocated by thread .*\n.*#00 pc)");
- }
- ASSERT_MATCH(result, R"((^|\s)allocated by thread .*\n.*#00 pc)");
- }
-}
-
struct SizeParamCrasherTest : CrasherTest, testing::WithParamInterface<size_t> {};
INSTANTIATE_TEST_SUITE_P(Sizes, SizeParamCrasherTest, testing::Values(0, 16, 131072));
@@ -1276,7 +1197,11 @@
static const char* const kDebuggerdSeccompPolicy =
"/system/etc/seccomp_policy/crash_dump." ABI_STRING ".policy";
-static pid_t seccomp_fork_impl(void (*prejail)()) {
+static void setup_jail(minijail* jail) {
+ if (!jail) {
+ LOG(FATAL) << "failed to create minijail";
+ }
+
std::string policy;
if (!android::base::ReadFileToString(kDebuggerdSeccompPolicy, &policy)) {
PLOG(FATAL) << "failed to read policy file";
@@ -1303,15 +1228,15 @@
PLOG(FATAL) << "failed to seek tmp_fd";
}
- ScopedMinijail jail{minijail_new()};
- if (!jail) {
- LOG(FATAL) << "failed to create minijail";
- }
+ minijail_no_new_privs(jail);
+ minijail_log_seccomp_filter_failures(jail);
+ minijail_use_seccomp_filter(jail);
+ minijail_parse_seccomp_filters_from_fd(jail, tmp_fd.release());
+}
- minijail_no_new_privs(jail.get());
- minijail_log_seccomp_filter_failures(jail.get());
- minijail_use_seccomp_filter(jail.get());
- minijail_parse_seccomp_filters_from_fd(jail.get(), tmp_fd.release());
+static pid_t seccomp_fork_impl(void (*prejail)()) {
+ ScopedMinijail jail{minijail_new()};
+ setup_jail(jail.get());
pid_t result = fork();
if (result == -1) {
@@ -1625,6 +1550,138 @@
AssertDeath(SIGABRT);
}
+struct GwpAsanTestParameters {
+ size_t alloc_size;
+ bool free_before_access;
+ int access_offset;
+ std::string cause_needle; // Needle to be found in the "Cause: [GWP-ASan]" line.
+};
+
+struct GwpAsanCrasherTest
+ : CrasherTest,
+ testing::WithParamInterface<
+ std::tuple<GwpAsanTestParameters, /* recoverable */ bool, /* seccomp */ bool>> {};
+
+GwpAsanTestParameters gwp_asan_tests[] = {
+ {/* alloc_size */ 7, /* free_before_access */ true, /* access_offset */ 0,
+ "Use After Free, 0 bytes into a 7-byte allocation"},
+ {/* alloc_size */ 15, /* free_before_access */ true, /* access_offset */ 1,
+ "Use After Free, 1 byte into a 15-byte allocation"},
+ {/* alloc_size */ 4096, /* free_before_access */ false, /* access_offset */ 4098,
+ "Buffer Overflow, 2 bytes right of a 4096-byte allocation"},
+ {/* alloc_size */ 4096, /* free_before_access */ false, /* access_offset */ -1,
+ "Buffer Underflow, 1 byte left of a 4096-byte allocation"},
+};
+
+INSTANTIATE_TEST_SUITE_P(
+ GwpAsanTests, GwpAsanCrasherTest,
+ testing::Combine(testing::ValuesIn(gwp_asan_tests),
+ /* recoverable */ testing::Bool(),
+ /* seccomp */ testing::Bool()),
+ [](const testing::TestParamInfo<
+ std::tuple<GwpAsanTestParameters, /* recoverable */ bool, /* seccomp */ bool>>& info) {
+ const GwpAsanTestParameters& params = std::get<0>(info.param);
+ std::string name = params.free_before_access ? "UseAfterFree" : "Overflow";
+ name += testing::PrintToString(params.alloc_size);
+ name += "Alloc";
+ if (params.access_offset < 0) {
+ name += "Left";
+ name += testing::PrintToString(params.access_offset * -1);
+ } else {
+ name += "Right";
+ name += testing::PrintToString(params.access_offset);
+ }
+ name += "Bytes";
+ if (std::get<1>(info.param)) name += "Recoverable";
+ if (std::get<2>(info.param)) name += "Seccomp";
+ return name;
+ });
+
+TEST_P(GwpAsanCrasherTest, run_gwp_asan_test) {
+ if (mte_supported()) {
+ // Skip this test on MTE hardware, as MTE will reliably catch these errors
+ // instead of GWP-ASan.
+ GTEST_SKIP() << "Skipped on MTE.";
+ }
+ // Skip this test on HWASan, which will reliably catch test errors as well.
+ SKIP_WITH_HWASAN;
+
+ GwpAsanTestParameters params = std::get<0>(GetParam());
+ bool recoverable = std::get<1>(GetParam());
+ LogcatCollector logcat_collector;
+
+ int intercept_result;
+ unique_fd output_fd;
+ StartProcess([&recoverable]() {
+ const char* env[] = {"GWP_ASAN_SAMPLE_RATE=1", "GWP_ASAN_PROCESS_SAMPLING=1",
+ "GWP_ASAN_MAX_ALLOCS=40000", nullptr, nullptr};
+ if (recoverable) {
+ env[3] = "GWP_ASAN_RECOVERABLE=true";
+ }
+ std::string test_name = ::testing::UnitTest::GetInstance()->current_test_info()->name();
+ test_name = std::regex_replace(test_name, std::regex("run_gwp_asan_test"),
+ "DISABLED_run_gwp_asan_test");
+ std::string test_filter = "--gtest_filter=*";
+ test_filter += test_name;
+ std::string this_binary = android::base::GetExecutablePath();
+ const char* args[] = {this_binary.c_str(), "--gtest_also_run_disabled_tests",
+ test_filter.c_str(), nullptr};
+ // We check the crash report from a debuggerd handler and from logcat. The
+ // echo from stdout/stderr of the subprocess trips up atest, because it
+ // doesn't like that two tests started in a row without the first one
+ // finishing (even though the second one is in a subprocess).
+ close(STDOUT_FILENO);
+ close(STDERR_FILENO);
+ execve(this_binary.c_str(), const_cast<char**>(args), const_cast<char**>(env));
+ });
+
+ StartIntercept(&output_fd);
+ FinishCrasher();
+ if (recoverable) {
+ AssertDeath(0);
+ } else {
+ AssertDeath(SIGSEGV);
+ }
+ FinishIntercept(&intercept_result);
+
+ ASSERT_EQ(1, intercept_result) << "tombstoned reported failure";
+
+ std::vector<std::string> log_sources(2);
+ ConsumeFd(std::move(output_fd), &log_sources[0]);
+ logcat_collector.Collect(&log_sources[1]);
+
+ // seccomp forces the fallback handler, which doesn't print GWP-ASan debugging
+ // information. Make sure the recovery still works, but the report won't be
+ // hugely useful, it looks like a regular SEGV.
+ bool seccomp = std::get<2>(GetParam());
+ if (!seccomp) {
+ for (const auto& result : log_sources) {
+ ASSERT_MATCH(result, R"(signal 11 \(SIGSEGV\), code 2 \(SEGV_ACCERR\))");
+ ASSERT_MATCH(result, R"(Cause: \[GWP-ASan\]: )" + params.cause_needle);
+ if (params.free_before_access) {
+ ASSERT_MATCH(result, R"(deallocated by thread .*\n.*#00 pc)");
+ }
+ ASSERT_MATCH(result, R"((^|\s)allocated by thread .*\n.*#00 pc)");
+ }
+ }
+}
+
+TEST_P(GwpAsanCrasherTest, DISABLED_run_gwp_asan_test) {
+ GwpAsanTestParameters params = std::get<0>(GetParam());
+ bool seccomp = std::get<2>(GetParam());
+ if (seccomp) {
+ ScopedMinijail jail{minijail_new()};
+ setup_jail(jail.get());
+ minijail_enter(jail.get());
+ }
+
+ // Use 'volatile' to prevent a very clever compiler eliminating the store.
+ char* volatile p = reinterpret_cast<char* volatile>(malloc(params.alloc_size));
+ if (params.free_before_access) free(static_cast<void*>(const_cast<char*>(p)));
+ p[params.access_offset] = 42;
+ if (!params.free_before_access) free(static_cast<void*>(const_cast<char*>(p)));
+}
+
TEST_F(CrasherTest, fdsan_warning_abort_message) {
int intercept_result;
unique_fd output_fd;
@@ -1907,7 +1964,7 @@
ASSERT_MATCH(result, R"(Cause: stack pointer[^\n]*stack overflow.\n)");
}
-static bool CopySharedLibrary(const char* tmp_dir, std::string* tmp_so_name) {
+static std::string GetTestLibraryPath() {
std::string test_lib(testing::internal::GetArgvs()[0]);
auto const value = test_lib.find_last_of('/');
if (value == std::string::npos) {
@@ -1915,7 +1972,62 @@
} else {
test_lib = test_lib.substr(0, value + 1) + "./";
}
- test_lib += "libcrash_test.so";
+ return test_lib + "libcrash_test.so";
+}
+
+static void CreateEmbeddedLibrary(int out_fd) {
+ std::string test_lib(GetTestLibraryPath());
+ android::base::unique_fd fd(open(test_lib.c_str(), O_RDONLY | O_CLOEXEC));
+ ASSERT_NE(fd.get(), -1);
+ off_t file_size = lseek(fd, 0, SEEK_END);
+ ASSERT_EQ(lseek(fd, 0, SEEK_SET), 0);
+ std::vector<uint8_t> contents(file_size);
+ ASSERT_TRUE(android::base::ReadFully(fd, contents.data(), contents.size()));
+
+ // Put the shared library data at a pagesize() offset.
+ ASSERT_EQ(lseek(out_fd, 4 * getpagesize(), SEEK_CUR), 4 * getpagesize());
+ ASSERT_EQ(static_cast<size_t>(write(out_fd, contents.data(), contents.size())), contents.size());
+}
+
+TEST_F(CrasherTest, non_zero_offset_in_library) {
+ int intercept_result;
+ unique_fd output_fd;
+ TemporaryFile tf;
+ CreateEmbeddedLibrary(tf.fd);
+ StartProcess([&tf]() {
+ android_dlextinfo extinfo{};
+ extinfo.flags = ANDROID_DLEXT_USE_LIBRARY_FD | ANDROID_DLEXT_USE_LIBRARY_FD_OFFSET;
+ extinfo.library_fd = tf.fd;
+ extinfo.library_fd_offset = 4 * getpagesize();
+ void* handle = android_dlopen_ext(tf.path, RTLD_NOW, &extinfo);
+ if (handle == nullptr) {
+ _exit(1);
+ }
+ void (*crash_func)() = reinterpret_cast<void (*)()>(dlsym(handle, "crash"));
+ if (crash_func == nullptr) {
+ _exit(1);
+ }
+ crash_func();
+ });
+
+ StartIntercept(&output_fd);
+ FinishCrasher();
+ AssertDeath(SIGSEGV);
+ FinishIntercept(&intercept_result);
+
+ ASSERT_EQ(1, intercept_result) << "tombstoned reported failure";
+
+ std::string result;
+ ConsumeFd(std::move(output_fd), &result);
+
+ // Verify the crash includes an offset value in the backtrace.
+ std::string match_str = android::base::StringPrintf("%s\\!libcrash_test.so \\(offset 0x%x\\)",
+ tf.path, 4 * getpagesize());
+ ASSERT_MATCH(result, match_str);
+}
+
+static bool CopySharedLibrary(const char* tmp_dir, std::string* tmp_so_name) {
+ std::string test_lib(GetTestLibraryPath());
*tmp_so_name = std::string(tmp_dir) + "/libcrash_test.so";
std::string cp_cmd = android::base::StringPrintf("cp %s %s", test_lib.c_str(), tmp_dir);
diff --git a/debuggerd/handler/debuggerd_handler.cpp b/debuggerd/handler/debuggerd_handler.cpp
index c64de0e..baa5bfb 100644
--- a/debuggerd/handler/debuggerd_handler.cpp
+++ b/debuggerd/handler/debuggerd_handler.cpp
@@ -187,27 +187,29 @@
* mutex is being held, so we don't want to use any libc functions that
* could allocate memory or hold a lock.
*/
-static void log_signal_summary(const siginfo_t* info) {
+static void log_signal_summary(const siginfo_t* si) {
char main_thread_name[MAX_TASK_NAME_LEN + 1];
if (!get_main_thread_name(main_thread_name, sizeof(main_thread_name))) {
strncpy(main_thread_name, "<unknown>", sizeof(main_thread_name));
}
- if (info->si_signo == BIONIC_SIGNAL_DEBUGGER) {
+ if (si->si_signo == BIONIC_SIGNAL_DEBUGGER) {
async_safe_format_log(ANDROID_LOG_INFO, "libc", "Requested dump for pid %d (%s)", __getpid(),
main_thread_name);
return;
}
- // Many signals don't have an address or sender.
- char addr_desc[32] = ""; // ", fault addr 0x1234"
- if (signal_has_si_addr(info)) {
- async_safe_format_buffer(addr_desc, sizeof(addr_desc), ", fault addr %p", info->si_addr);
- }
+ // Many signals don't have a sender or extra detail, but some do...
pid_t self_pid = __getpid();
char sender_desc[32] = {}; // " from pid 1234, uid 666"
- if (signal_has_sender(info, self_pid)) {
- get_signal_sender(sender_desc, sizeof(sender_desc), info);
+ if (signal_has_sender(si, self_pid)) {
+ get_signal_sender(sender_desc, sizeof(sender_desc), si);
+ }
+ char extra_desc[32] = {}; // ", fault addr 0x1234" or ", syscall 1234"
+ if (si->si_signo == SIGSYS && si->si_code == SYS_SECCOMP) {
+ async_safe_format_buffer(extra_desc, sizeof(extra_desc), ", syscall %d", si->si_syscall);
+ } else if (signal_has_si_addr(si)) {
+ async_safe_format_buffer(extra_desc, sizeof(extra_desc), ", fault addr %p", si->si_addr);
}
char thread_name[MAX_TASK_NAME_LEN + 1]; // one more for termination
@@ -221,8 +223,8 @@
async_safe_format_log(ANDROID_LOG_FATAL, "libc",
"Fatal signal %d (%s), code %d (%s%s)%s in tid %d (%s), pid %d (%s)",
- info->si_signo, get_signame(info), info->si_code, get_sigcode(info),
- sender_desc, addr_desc, __gettid(), thread_name, self_pid, main_thread_name);
+ si->si_signo, get_signame(si), si->si_code, get_sigcode(si), sender_desc,
+ extra_desc, __gettid(), thread_name, self_pid, main_thread_name);
}
/*
@@ -371,12 +373,31 @@
{.iov_base = thread_info->ucontext, .iov_len = sizeof(ucontext_t)},
};
+ constexpr size_t kHeaderSize = sizeof(version) + sizeof(siginfo_t) + sizeof(ucontext_t);
+
if (thread_info->process_info.fdsan_table) {
// Dynamic executables always use version 4. There is no need to increment the version number if
// the format changes, because the sender (linker) and receiver (crash_dump) are version locked.
version = 4;
expected = sizeof(CrashInfoHeader) + sizeof(CrashInfoDataDynamic);
+ static_assert(sizeof(CrashInfoHeader) + sizeof(CrashInfoDataDynamic) ==
+ kHeaderSize + sizeof(thread_info->process_info),
+ "Wire protocol structs do not match the data sent.");
+#define ASSERT_SAME_OFFSET(MEMBER1, MEMBER2) \
+ static_assert(sizeof(CrashInfoHeader) + offsetof(CrashInfoDataDynamic, MEMBER1) == \
+ kHeaderSize + offsetof(debugger_process_info, MEMBER2), \
+ "Wire protocol offset does not match data sent: " #MEMBER1);
+ ASSERT_SAME_OFFSET(fdsan_table_address, fdsan_table);
+ ASSERT_SAME_OFFSET(gwp_asan_state, gwp_asan_state);
+ ASSERT_SAME_OFFSET(gwp_asan_metadata, gwp_asan_metadata);
+ ASSERT_SAME_OFFSET(scudo_stack_depot, scudo_stack_depot);
+ ASSERT_SAME_OFFSET(scudo_region_info, scudo_region_info);
+ ASSERT_SAME_OFFSET(scudo_ring_buffer, scudo_ring_buffer);
+ ASSERT_SAME_OFFSET(scudo_ring_buffer_size, scudo_ring_buffer_size);
+ ASSERT_SAME_OFFSET(recoverable_gwp_asan_crash, recoverable_gwp_asan_crash);
+#undef ASSERT_SAME_OFFSET
+
iovs[3] = {.iov_base = &thread_info->process_info,
.iov_len = sizeof(thread_info->process_info)};
} else {
@@ -384,6 +405,10 @@
version = 1;
expected = sizeof(CrashInfoHeader) + sizeof(CrashInfoDataStatic);
+ static_assert(
+ sizeof(CrashInfoHeader) + sizeof(CrashInfoDataStatic) == kHeaderSize + sizeof(uintptr_t),
+ "Wire protocol structs do not match the data sent.");
+
iovs[3] = {.iov_base = &thread_info->process_info.abort_msg, .iov_len = sizeof(uintptr_t)};
}
errno = 0;
@@ -541,17 +566,37 @@
process_info = g_callbacks.get_process_info();
}
+ // GWP-ASan catches use-after-free and heap-buffer-overflow by using PROT_NONE
+ // guard pages, which lead to SEGV. Normally, debuggerd prints a bug report
+ // and the process terminates, but in some cases, we actually want to print
+ // the bug report and let the signal handler return, and restart the process.
+ // In order to do that, we need to disable GWP-ASan's guard pages. The
+ // following callbacks handle this case.
+ gwp_asan_callbacks_t gwp_asan_callbacks = g_callbacks.get_gwp_asan_callbacks();
+ if (signal_number == SIGSEGV && signal_has_si_addr(info) &&
+ gwp_asan_callbacks.debuggerd_needs_gwp_asan_recovery &&
+ gwp_asan_callbacks.debuggerd_gwp_asan_pre_crash_report &&
+ gwp_asan_callbacks.debuggerd_gwp_asan_post_crash_report &&
+ gwp_asan_callbacks.debuggerd_needs_gwp_asan_recovery(info->si_addr)) {
+ gwp_asan_callbacks.debuggerd_gwp_asan_pre_crash_report(info->si_addr);
+ process_info.recoverable_gwp_asan_crash = true;
+ }
+
// If sival_int is ~0, it means that the fallback handler has been called
// once before and this function is being called again to dump the stack
// of a specific thread. It is possible that the prctl call might return 1,
// then return 0 in subsequent calls, so check the sival_int to determine if
// the fallback handler should be called first.
- if (si_val == kDebuggerdFallbackSivalUintptrRequestDump ||
- prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0) == 1) {
+ bool no_new_privs = prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0) == 1;
+ if (si_val == kDebuggerdFallbackSivalUintptrRequestDump || no_new_privs) {
// This check might be racy if another thread sets NO_NEW_PRIVS, but this should be unlikely,
// you can only set NO_NEW_PRIVS to 1, and the effect should be at worst a single missing
// ANR trace.
debuggerd_fallback_handler(info, ucontext, process_info.abort_msg);
+ if (no_new_privs && process_info.recoverable_gwp_asan_crash) {
+ gwp_asan_callbacks.debuggerd_gwp_asan_post_crash_report(info->si_addr);
+ return;
+ }
resend_signal(info);
return;
}
@@ -625,6 +670,9 @@
// If the signal is fatal, don't unlock the mutex to prevent other crashing threads from
// starting to dump right before our death.
pthread_mutex_unlock(&crash_mutex);
+ } else if (process_info.recoverable_gwp_asan_crash) {
+ gwp_asan_callbacks.debuggerd_gwp_asan_post_crash_report(info->si_addr);
+ pthread_mutex_unlock(&crash_mutex);
}
#ifdef __aarch64__
else if (info->si_signo == SIGSEGV &&
@@ -703,3 +751,52 @@
debuggerd_register_handlers(&action);
}
+
+// When debuggerd's signal handler is the first handler called, it's great at
+// handling the recoverable GWP-ASan mode. For apps, sigchain (from libart) is
+// always the first signal handler, and so the following function is what
+// sigchain must call before processing the signal. This allows for processing
+// of a potentially recoverable GWP-ASan crash. If the signal requires GWP-ASan
+// recovery, then dump a report (via the regular debuggerd hanndler), and patch
+// up the allocator, and allow the process to continue (indicated by returning
+// 'true'). If the crash has nothing to do with GWP-ASan, or recovery isn't
+// possible, return 'false'.
+bool debuggerd_handle_signal(int signal_number, siginfo_t* info, void* context) {
+ if (signal_number != SIGSEGV || !signal_has_si_addr(info)) return false;
+
+ gwp_asan_callbacks_t gwp_asan_callbacks = g_callbacks.get_gwp_asan_callbacks();
+ if (gwp_asan_callbacks.debuggerd_needs_gwp_asan_recovery == nullptr ||
+ gwp_asan_callbacks.debuggerd_gwp_asan_pre_crash_report == nullptr ||
+ gwp_asan_callbacks.debuggerd_gwp_asan_post_crash_report == nullptr ||
+ !gwp_asan_callbacks.debuggerd_needs_gwp_asan_recovery(info->si_addr)) {
+ return false;
+ }
+
+ // Only dump a crash report for the first GWP-ASan crash. ActivityManager
+ // doesn't like it when an app crashes multiple times, and is even more strict
+ // about an app crashing multiple times in a short time period. While the app
+ // won't crash fully when we do GWP-ASan recovery, ActivityManager still gets
+ // the information about the crash through the DropBoxManager service. If an
+ // app has multiple back-to-back GWP-ASan crashes, this would lead to the app
+ // being killed, which defeats the purpose of having the recoverable mode. To
+ // mitigate against this, only generate a debuggerd crash report for the first
+ // GWP-ASan crash encountered. We still need to do the patching up of the
+ // allocator though, so do that.
+ static pthread_mutex_t first_crash_mutex = PTHREAD_MUTEX_INITIALIZER;
+ pthread_mutex_lock(&first_crash_mutex);
+ static bool first_crash = true;
+
+ if (first_crash) {
+ // `debuggerd_signal_handler` will call
+ // `debuggerd_gwp_asan_(pre|post)_crash_report`, so no need to manually call
+ // them here.
+ debuggerd_signal_handler(signal_number, info, context);
+ first_crash = false;
+ } else {
+ gwp_asan_callbacks.debuggerd_gwp_asan_pre_crash_report(info->si_addr);
+ gwp_asan_callbacks.debuggerd_gwp_asan_post_crash_report(info->si_addr);
+ }
+
+ pthread_mutex_unlock(&first_crash_mutex);
+ return true;
+}
diff --git a/debuggerd/include/debuggerd/handler.h b/debuggerd/include/debuggerd/handler.h
index 68b2e67..ebb5372 100644
--- a/debuggerd/include/debuggerd/handler.h
+++ b/debuggerd/include/debuggerd/handler.h
@@ -35,7 +35,7 @@
// When updating this data structure, CrashInfoDataDynamic and the code in
// ReadCrashInfo() must also be updated.
-struct debugger_process_info {
+struct __attribute__((packed)) debugger_process_info {
void* abort_msg;
void* fdsan_table;
const gwp_asan::AllocatorState* gwp_asan_state;
@@ -43,16 +43,29 @@
const char* scudo_stack_depot;
const char* scudo_region_info;
const char* scudo_ring_buffer;
+ size_t scudo_ring_buffer_size;
+ bool recoverable_gwp_asan_crash;
};
+// GWP-ASan calbacks to support the recoverable mode. Separate from the
+// debuggerd_callbacks_t because these values aren't available at debuggerd_init
+// time, and have to be synthesized on request.
+typedef struct {
+ bool (*debuggerd_needs_gwp_asan_recovery)(void* fault_addr);
+ void (*debuggerd_gwp_asan_pre_crash_report)(void* fault_addr);
+ void (*debuggerd_gwp_asan_post_crash_report)(void* fault_addr);
+} gwp_asan_callbacks_t;
+
// These callbacks are called in a signal handler, and thus must be async signal safe.
// If null, the callbacks will not be called.
typedef struct {
debugger_process_info (*get_process_info)();
+ gwp_asan_callbacks_t (*get_gwp_asan_callbacks)();
void (*post_dump)();
} debuggerd_callbacks_t;
void debuggerd_init(debuggerd_callbacks_t* callbacks);
+bool debuggerd_handle_signal(int signal_number, siginfo_t* info, void* context);
// DEBUGGER_ACTION_DUMP_TOMBSTONE and DEBUGGER_ACTION_DUMP_BACKTRACE are both
// triggered via BIONIC_SIGNAL_DEBUGGER. The debugger_action_t is sent via si_value
diff --git a/debuggerd/libdebuggerd/gwp_asan.cpp b/debuggerd/libdebuggerd/gwp_asan.cpp
index d8f74e0..26084dc 100644
--- a/debuggerd/libdebuggerd/gwp_asan.cpp
+++ b/debuggerd/libdebuggerd/gwp_asan.cpp
@@ -88,7 +88,7 @@
thread_id_ = thread_info.tid;
// Grab the internal error address, if it exists.
- uintptr_t internal_crash_address = __gwp_asan_get_internal_crash_address(&state_);
+ uintptr_t internal_crash_address = __gwp_asan_get_internal_crash_address(&state_, crash_address_);
if (internal_crash_address) {
crash_address_ = internal_crash_address;
}
diff --git a/debuggerd/libdebuggerd/include/libdebuggerd/types.h b/debuggerd/libdebuggerd/include/libdebuggerd/types.h
index a51e276..5a2a7ab 100644
--- a/debuggerd/libdebuggerd/include/libdebuggerd/types.h
+++ b/debuggerd/libdebuggerd/include/libdebuggerd/types.h
@@ -50,6 +50,7 @@
uintptr_t scudo_stack_depot = 0;
uintptr_t scudo_region_info = 0;
uintptr_t scudo_ring_buffer = 0;
+ size_t scudo_ring_buffer_size = 0;
bool has_fault_address = false;
uintptr_t untagged_fault_address = 0;
diff --git a/debuggerd/libdebuggerd/scudo.cpp b/debuggerd/libdebuggerd/scudo.cpp
index 5d861f8..5a62fe1 100644
--- a/debuggerd/libdebuggerd/scudo.cpp
+++ b/debuggerd/libdebuggerd/scudo.cpp
@@ -44,9 +44,12 @@
__scudo_get_stack_depot_size());
auto region_info = AllocAndReadFully(process_memory, process_info.scudo_region_info,
__scudo_get_region_info_size());
- auto ring_buffer = AllocAndReadFully(process_memory, process_info.scudo_ring_buffer,
- __scudo_get_ring_buffer_size());
- if (!stack_depot || !region_info || !ring_buffer) {
+ std::unique_ptr<char[]> ring_buffer;
+ if (process_info.scudo_ring_buffer_size != 0) {
+ ring_buffer = AllocAndReadFully(process_memory, process_info.scudo_ring_buffer,
+ process_info.scudo_ring_buffer_size);
+ }
+ if (!stack_depot || !region_info) {
return;
}
diff --git a/debuggerd/libdebuggerd/tombstone.cpp b/debuggerd/libdebuggerd/tombstone.cpp
index e5b4d74..375ed8a 100644
--- a/debuggerd/libdebuggerd/tombstone.cpp
+++ b/debuggerd/libdebuggerd/tombstone.cpp
@@ -77,9 +77,9 @@
.registers = std::move(regs), .uid = uid, .tid = target_tid,
.thread_name = std::move(thread_name), .pid = pid, .command_line = std::move(command_line),
.selinux_label = std::move(selinux_label), .siginfo = siginfo,
-#if defined(__aarch64__)
// Only supported on aarch64 for now.
- .tagged_addr_ctrl = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0),
+#if defined(__aarch64__)
+ .tagged_addr_ctrl = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0),
.pac_enabled_keys = prctl(PR_PAC_GET_ENABLED_KEYS, 0, 0, 0, 0),
#endif
};
@@ -88,7 +88,6 @@
if (target_tid == tid) {
return;
}
- async_safe_format_log(ANDROID_LOG_ERROR, LOG_TAG, "Adding thread %d", tid);
threads[tid] = ThreadInfo{
.uid = thread.uid,
.tid = tid,
diff --git a/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp b/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp
index 28154a7..e4d68f8 100644
--- a/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp
+++ b/debuggerd/libdebuggerd/tombstone_proto_to_text.cpp
@@ -176,8 +176,14 @@
build_id = StringPrintf(" (BuildId: %s)", frame.build_id().c_str());
}
- CB(should_log, " #%02d pc %0*" PRIx64 " %s%s%s", index++, pointer_width(tombstone) * 2,
- frame.rel_pc(), frame.file_name().c_str(), function.c_str(), build_id.c_str());
+ std::string line =
+ StringPrintf(" #%02d pc %0*" PRIx64 " %s", index++, pointer_width(tombstone) * 2,
+ frame.rel_pc(), frame.file_name().c_str());
+ if (frame.file_map_offset() != 0) {
+ line += StringPrintf(" (offset 0x%" PRIx64 ")", frame.file_map_offset());
+ }
+ line += function + build_id;
+ CB(should_log, "%s", line.c_str());
}
}
@@ -303,86 +309,8 @@
}
}
-static void print_main_thread(CallbackType callback, const Tombstone& tombstone,
- const Thread& thread) {
+static void print_memory_maps(CallbackType callback, const Tombstone& tombstone) {
int word_size = pointer_width(tombstone);
- print_thread_header(callback, tombstone, thread, true);
-
- const Signal& signal_info = tombstone.signal_info();
- std::string sender_desc;
-
- if (signal_info.has_sender()) {
- sender_desc =
- StringPrintf(" from pid %d, uid %d", signal_info.sender_pid(), signal_info.sender_uid());
- }
-
- if (!tombstone.has_signal_info()) {
- CBL("signal information missing");
- } else {
- std::string fault_addr_desc;
- if (signal_info.has_fault_address()) {
- fault_addr_desc = StringPrintf("0x%0*" PRIx64, 2 * word_size, signal_info.fault_address());
- } else {
- fault_addr_desc = "--------";
- }
-
- CBL("signal %d (%s), code %d (%s%s), fault addr %s", signal_info.number(),
- signal_info.name().c_str(), signal_info.code(), signal_info.code_name().c_str(),
- sender_desc.c_str(), fault_addr_desc.c_str());
- }
-
- if (tombstone.causes_size() == 1) {
- CBL("Cause: %s", tombstone.causes(0).human_readable().c_str());
- }
-
- if (!tombstone.abort_message().empty()) {
- CBL("Abort message: '%s'", tombstone.abort_message().c_str());
- }
-
- print_thread_registers(callback, tombstone, thread, true);
- print_thread_backtrace(callback, tombstone, thread, true);
-
- if (tombstone.causes_size() > 1) {
- CBS("");
- CBL("Note: multiple potential causes for this crash were detected, listing them in decreasing "
- "order of likelihood.");
- }
-
- for (const Cause& cause : tombstone.causes()) {
- if (tombstone.causes_size() > 1) {
- CBS("");
- CBL("Cause: %s", cause.human_readable().c_str());
- }
-
- if (cause.has_memory_error() && cause.memory_error().has_heap()) {
- const HeapObject& heap_object = cause.memory_error().heap();
-
- if (heap_object.deallocation_backtrace_size() != 0) {
- CBS("");
- CBL("deallocated by thread %" PRIu64 ":", heap_object.deallocation_tid());
- print_backtrace(callback, tombstone, heap_object.deallocation_backtrace(), true);
- }
-
- if (heap_object.allocation_backtrace_size() != 0) {
- CBS("");
- CBL("allocated by thread %" PRIu64 ":", heap_object.allocation_tid());
- print_backtrace(callback, tombstone, heap_object.allocation_backtrace(), true);
- }
- }
- }
-
- print_tag_dump(callback, tombstone);
-
- print_thread_memory_dump(callback, tombstone, thread);
-
- CBS("");
-
- // No memory maps to print.
- if (tombstone.memory_mappings().empty()) {
- CBS("No memory maps found");
- return;
- }
-
const auto format_pointer = [word_size](uint64_t ptr) -> std::string {
if (word_size == 8) {
uint64_t top = ptr >> 32;
@@ -397,6 +325,7 @@
StringPrintf("memory map (%d %s):", tombstone.memory_mappings().size(),
tombstone.memory_mappings().size() == 1 ? "entry" : "entries");
+ const Signal& signal_info = tombstone.signal_info();
bool has_fault_address = signal_info.has_fault_address();
uint64_t fault_address = untag_address(signal_info.fault_address());
bool preamble_printed = false;
@@ -456,6 +385,106 @@
}
}
+static void print_main_thread(CallbackType callback, const Tombstone& tombstone,
+ const Thread& thread) {
+ print_thread_header(callback, tombstone, thread, true);
+
+ const Signal& signal_info = tombstone.signal_info();
+ std::string sender_desc;
+
+ if (signal_info.has_sender()) {
+ sender_desc =
+ StringPrintf(" from pid %d, uid %d", signal_info.sender_pid(), signal_info.sender_uid());
+ }
+
+ bool is_async_mte_crash = false;
+ bool is_mte_crash = false;
+ if (!tombstone.has_signal_info()) {
+ CBL("signal information missing");
+ } else {
+ std::string fault_addr_desc;
+ if (signal_info.has_fault_address()) {
+ fault_addr_desc =
+ StringPrintf("0x%0*" PRIx64, 2 * pointer_width(tombstone), signal_info.fault_address());
+ } else {
+ fault_addr_desc = "--------";
+ }
+
+ CBL("signal %d (%s), code %d (%s%s), fault addr %s", signal_info.number(),
+ signal_info.name().c_str(), signal_info.code(), signal_info.code_name().c_str(),
+ sender_desc.c_str(), fault_addr_desc.c_str());
+#ifdef SEGV_MTEAERR
+ is_async_mte_crash = signal_info.number() == SIGSEGV && signal_info.code() == SEGV_MTEAERR;
+ is_mte_crash = is_async_mte_crash ||
+ (signal_info.number() == SIGSEGV && signal_info.code() == SEGV_MTESERR);
+#endif
+ }
+
+ if (tombstone.causes_size() == 1) {
+ CBL("Cause: %s", tombstone.causes(0).human_readable().c_str());
+ }
+
+ if (!tombstone.abort_message().empty()) {
+ CBL("Abort message: '%s'", tombstone.abort_message().c_str());
+ }
+
+ print_thread_registers(callback, tombstone, thread, true);
+ if (is_async_mte_crash) {
+ CBL("Note: This crash is a delayed async MTE crash. Memory corruption has occurred");
+ CBL(" in this process. The stack trace below is the first system call or context");
+ CBL(" switch that was executed after the memory corruption happened.");
+ }
+ print_thread_backtrace(callback, tombstone, thread, true);
+
+ if (tombstone.causes_size() > 1) {
+ CBS("");
+ CBL("Note: multiple potential causes for this crash were detected, listing them in decreasing "
+ "order of likelihood.");
+ }
+
+ for (const Cause& cause : tombstone.causes()) {
+ if (tombstone.causes_size() > 1) {
+ CBS("");
+ CBL("Cause: %s", cause.human_readable().c_str());
+ }
+
+ if (cause.has_memory_error() && cause.memory_error().has_heap()) {
+ const HeapObject& heap_object = cause.memory_error().heap();
+
+ if (heap_object.deallocation_backtrace_size() != 0) {
+ CBS("");
+ CBL("deallocated by thread %" PRIu64 ":", heap_object.deallocation_tid());
+ print_backtrace(callback, tombstone, heap_object.deallocation_backtrace(), true);
+ }
+
+ if (heap_object.allocation_backtrace_size() != 0) {
+ CBS("");
+ CBL("allocated by thread %" PRIu64 ":", heap_object.allocation_tid());
+ print_backtrace(callback, tombstone, heap_object.allocation_backtrace(), true);
+ }
+ }
+ }
+
+ print_tag_dump(callback, tombstone);
+
+ if (is_mte_crash) {
+ CBS("");
+ CBL("Learn more about MTE reports: "
+ "https://source.android.com/docs/security/test/memory-safety/mte-reports");
+ }
+
+ print_thread_memory_dump(callback, tombstone, thread);
+
+ CBS("");
+
+ // No memory maps to print.
+ if (!tombstone.memory_mappings().empty()) {
+ print_memory_maps(callback, tombstone);
+ } else {
+ CBS("No memory maps found");
+ }
+}
+
void print_logs(CallbackType callback, const Tombstone& tombstone, int tail) {
for (const auto& buffer : tombstone.log_buffers()) {
if (tail) {
diff --git a/debuggerd/protocol.h b/debuggerd/protocol.h
index f33b2f0..b60cf5b 100644
--- a/debuggerd/protocol.h
+++ b/debuggerd/protocol.h
@@ -98,6 +98,8 @@
uintptr_t scudo_stack_depot;
uintptr_t scudo_region_info;
uintptr_t scudo_ring_buffer;
+ size_t scudo_ring_buffer_size;
+ bool recoverable_gwp_asan_crash;
};
struct __attribute__((__packed__)) CrashInfo {
diff --git a/debuggerd/test_permissive_mte/Android.bp b/debuggerd/test_permissive_mte/Android.bp
index 1c09240..d3f7520 100644
--- a/debuggerd/test_permissive_mte/Android.bp
+++ b/debuggerd/test_permissive_mte/Android.bp
@@ -18,6 +18,7 @@
cc_binary {
name: "mte_crash",
+ tidy: false,
srcs: ["mte_crash.cpp"],
sanitize: {
memtag_heap: true,
diff --git a/fastboot/Android.bp b/fastboot/Android.bp
index eed49fa..3b786e8 100644
--- a/fastboot/Android.bp
+++ b/fastboot/Android.bp
@@ -168,8 +168,9 @@
"android.hardware.boot-V1-ndk",
"libboot_control_client",
"android.hardware.fastboot@1.1",
+ "android.hardware.fastboot-V1-ndk",
"android.hardware.health@2.0",
- "android.hardware.health-V1-ndk",
+ "android.hardware.health-V2-ndk",
"libasyncio",
"libbase",
"libbinder_ndk",
@@ -192,6 +193,7 @@
"libc++fs",
"libhealthhalutils",
"libhealthshim",
+ "libfastbootshim",
"libsnapshot_cow",
"liblz4",
"libsnapshot_nobinder",
@@ -281,14 +283,18 @@
srcs: [
"bootimg_utils.cpp",
+ "fastboot_driver.cpp",
"fastboot.cpp",
+ "filesystem.cpp",
"fs.cpp",
"socket.cpp",
+ "storage.cpp",
+ "super_flash_helper.cpp",
"tcp.cpp",
"udp.cpp",
"util.cpp",
"vendor_boot_img_utils.cpp",
- "fastboot_driver.cpp",
+ "task.cpp",
],
// Only version the final binaries
@@ -370,14 +376,19 @@
defaults: ["fastboot_host_defaults"],
srcs: [
+ "fastboot_driver_test.cpp",
"fastboot_test.cpp",
"socket_mock.cpp",
"socket_test.cpp",
+ "super_flash_helper_test.cpp",
"tcp_test.cpp",
"udp_test.cpp",
],
- static_libs: ["libfastboot"],
+ static_libs: [
+ "libfastboot",
+ "libgmock",
+ ],
target: {
windows: {
@@ -388,6 +399,14 @@
enabled: false,
},
},
+
+ test_suites: ["general-tests"],
+
+ data: [
+ "testdata/super.img",
+ "testdata/super_empty.img",
+ "testdata/system.img",
+ ],
}
cc_test_host {
diff --git a/fastboot/TEST_MAPPING b/fastboot/TEST_MAPPING
new file mode 100644
index 0000000..10f3d82
--- /dev/null
+++ b/fastboot/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+ "presubmit": [
+ {
+ "name": "fastboot_test"
+ }
+ ]
+}
diff --git a/fastboot/constants.h b/fastboot/constants.h
index f6fc74e..ad169d1 100644
--- a/fastboot/constants.h
+++ b/fastboot/constants.h
@@ -64,6 +64,7 @@
#define FB_VAR_SLOT_UNBOOTABLE "slot-unbootable"
#define FB_VAR_IS_LOGICAL "is-logical"
#define FB_VAR_IS_USERSPACE "is-userspace"
+#define FB_VAR_IS_FORCE_DEBUGGABLE "is-force-debuggable"
#define FB_VAR_HW_REVISION "hw-revision"
#define FB_VAR_VARIANT "variant"
#define FB_VAR_OFF_MODE_CHARGE_STATE "off-mode-charge"
diff --git a/fastboot/device/commands.cpp b/fastboot/device/commands.cpp
index 3799d1f..e929f42 100644
--- a/fastboot/device/commands.cpp
+++ b/fastboot/device/commands.cpp
@@ -57,8 +57,6 @@
using android::fs_mgr::MetadataBuilder;
using android::hal::CommandResult;
using ::android::hardware::hidl_string;
-using ::android::hardware::fastboot::V1_0::Result;
-using ::android::hardware::fastboot::V1_0::Status;
using android::snapshot::SnapshotManager;
using MergeStatus = android::hal::BootControlClient::MergeStatus;
@@ -133,6 +131,7 @@
{FB_VAR_PARTITION_TYPE, {GetPartitionType, GetAllPartitionArgsWithSlot}},
{FB_VAR_IS_LOGICAL, {GetPartitionIsLogical, GetAllPartitionArgsWithSlot}},
{FB_VAR_IS_USERSPACE, {GetIsUserspace, nullptr}},
+ {FB_VAR_IS_FORCE_DEBUGGABLE, {GetIsForceDebuggable, nullptr}},
{FB_VAR_OFF_MODE_CHARGE_STATE, {GetOffModeChargeState, nullptr}},
{FB_VAR_BATTERY_VOLTAGE, {GetBatteryVoltage, nullptr}},
{FB_VAR_BATTERY_SOC_OK, {GetBatterySoCOk, nullptr}},
@@ -203,20 +202,21 @@
return false;
}
- Result ret;
- auto ret_val = fastboot_hal->doOemSpecificErase([&](Result result) { ret = result; });
- if (!ret_val.isOk()) {
- return false;
- }
- if (ret.status == Status::NOT_SUPPORTED) {
- return false;
- } else if (ret.status != Status::SUCCESS) {
- device->WriteStatus(FastbootResult::FAIL, ret.message);
- } else {
+ auto status = fastboot_hal->doOemSpecificErase();
+ if (status.isOk()) {
device->WriteStatus(FastbootResult::OKAY, "Erasing succeeded");
+ return true;
}
-
- return true;
+ switch (status.getExceptionCode()) {
+ case EX_UNSUPPORTED_OPERATION:
+ return false;
+ case EX_SERVICE_SPECIFIC:
+ device->WriteStatus(FastbootResult::FAIL, status.getDescription());
+ return false;
+ default:
+ LOG(ERROR) << "Erase operation failed" << status.getDescription();
+ return false;
+ }
}
bool EraseHandler(FastbootDevice* device, const std::vector<std::string>& args) {
@@ -266,18 +266,16 @@
if (args[0] == "oem postwipedata userdata") {
return device->WriteStatus(FastbootResult::FAIL, "Unable to do oem postwipedata userdata");
}
-
- Result ret;
- auto ret_val = fastboot_hal->doOemCommand(args[0], [&](Result result) { ret = result; });
- if (!ret_val.isOk()) {
- return device->WriteStatus(FastbootResult::FAIL, "Unable to do OEM command");
- }
- if (ret.status != Status::SUCCESS) {
- return device->WriteStatus(FastbootResult::FAIL, ret.message);
+ std::string message;
+ auto status = fastboot_hal->doOemCommand(args[0], &message);
+ if (!status.isOk()) {
+ LOG(ERROR) << "Unable to do OEM command " << args[0].c_str() << status.getDescription();
+ return device->WriteStatus(FastbootResult::FAIL,
+ "Unable to do OEM command " + status.getDescription());
}
- device->WriteInfo(ret.message);
- return device->WriteStatus(FastbootResult::OKAY, ret.message);
+ device->WriteInfo(message);
+ return device->WriteStatus(FastbootResult::OKAY, message);
}
bool DownloadHandler(FastbootDevice* device, const std::vector<std::string>& args) {
diff --git a/fastboot/device/fastboot_device.cpp b/fastboot/device/fastboot_device.cpp
index 4932e5c..6b6a982 100644
--- a/fastboot/device/fastboot_device.cpp
+++ b/fastboot/device/fastboot_device.cpp
@@ -25,6 +25,7 @@
#include <android/binder_manager.h>
#include <android/hardware/boot/1.0/IBootControl.h>
#include <android/hardware/fastboot/1.1/IFastboot.h>
+#include <fastbootshim.h>
#include <fs_mgr.h>
#include <fs_mgr/roots.h>
#include <health-shim/shim.h>
@@ -64,6 +65,30 @@
return nullptr;
}
+std::shared_ptr<aidl::android::hardware::fastboot::IFastboot> get_fastboot_service() {
+ using aidl::android::hardware::fastboot::IFastboot;
+ using HidlFastboot = android::hardware::fastboot::V1_1::IFastboot;
+ using aidl::android::hardware::fastboot::FastbootShim;
+ auto service_name = IFastboot::descriptor + "/default"s;
+ if (AServiceManager_isDeclared(service_name.c_str())) {
+ ndk::SpAIBinder binder(AServiceManager_waitForService(service_name.c_str()));
+ std::shared_ptr<IFastboot> fastboot = IFastboot::fromBinder(binder);
+ if (fastboot != nullptr) {
+ LOG(INFO) << "Found and using AIDL fastboot service";
+ return fastboot;
+ }
+ LOG(WARNING) << "AIDL fastboot service is declared, but it cannot be retrieved.";
+ }
+ LOG(INFO) << "Unable to get AIDL fastboot service, trying HIDL...";
+ android::sp<HidlFastboot> hidl_fastboot = HidlFastboot::getService();
+ if (hidl_fastboot != nullptr) {
+ LOG(INFO) << "Found and now using fastboot HIDL implementation";
+ return ndk::SharedRefBase::make<FastbootShim>(hidl_fastboot);
+ }
+ LOG(WARNING) << "No fastboot implementation is found.";
+ return nullptr;
+}
+
FastbootDevice::FastbootDevice()
: kCommandMap({
{FB_CMD_SET_ACTIVE, SetActiveHandler},
@@ -87,7 +112,7 @@
}),
boot_control_hal_(BootControlClient::WaitForService()),
health_hal_(get_health_service()),
- fastboot_hal_(IFastboot::getService()),
+ fastboot_hal_(get_fastboot_service()),
active_slot_("") {
if (android::base::GetProperty("fastbootd.protocol", "usb") == "tcp") {
transport_ = std::make_unique<ClientTcpTransport>();
diff --git a/fastboot/device/fastboot_device.h b/fastboot/device/fastboot_device.h
index 9df8fa5..fcaf249 100644
--- a/fastboot/device/fastboot_device.h
+++ b/fastboot/device/fastboot_device.h
@@ -23,8 +23,8 @@
#include <vector>
#include <BootControlClient.h>
+#include <aidl/android/hardware/fastboot/IFastboot.h>
#include <aidl/android/hardware/health/IHealth.h>
-#include <android/hardware/fastboot/1.1/IFastboot.h>
#include "commands.h"
#include "transport.h"
@@ -52,7 +52,7 @@
Transport* get_transport() { return transport_.get(); }
BootControlClient* boot_control_hal() const { return boot_control_hal_.get(); }
BootControlClient* boot1_1() const;
- android::sp<android::hardware::fastboot::V1_1::IFastboot> fastboot_hal() {
+ std::shared_ptr<aidl::android::hardware::fastboot::IFastboot> fastboot_hal() {
return fastboot_hal_;
}
std::shared_ptr<aidl::android::hardware::health::IHealth> health_hal() { return health_hal_; }
@@ -65,7 +65,7 @@
std::unique_ptr<Transport> transport_;
std::unique_ptr<BootControlClient> boot_control_hal_;
std::shared_ptr<aidl::android::hardware::health::IHealth> health_hal_;
- android::sp<android::hardware::fastboot::V1_1::IFastboot> fastboot_hal_;
+ std::shared_ptr<aidl::android::hardware::fastboot::IFastboot> fastboot_hal_;
std::vector<char> download_data_;
std::string active_slot_;
};
diff --git a/fastboot/device/variables.cpp b/fastboot/device/variables.cpp
index b6eb2cd..d2a7947 100644
--- a/fastboot/device/variables.cpp
+++ b/fastboot/device/variables.cpp
@@ -41,9 +41,7 @@
#endif
using MergeStatus = android::hal::BootControlClient::MergeStatus;
-using ::android::hardware::fastboot::V1_0::FileSystemType;
-using ::android::hardware::fastboot::V1_0::Result;
-using ::android::hardware::fastboot::V1_0::Status;
+using aidl::android::hardware::fastboot::FileSystemType;
using namespace android::fs_mgr;
using namespace std::string_literals;
@@ -104,17 +102,16 @@
*message = "Fastboot HAL not found";
return false;
}
+ std::string device_variant = "";
+ auto status = fastboot_hal->getVariant(&device_variant);
- Result ret;
- auto ret_val = fastboot_hal->getVariant([&](std::string device_variant, Result result) {
- *message = device_variant;
- ret = result;
- });
- if (!ret_val.isOk() || ret.status != Status::SUCCESS) {
+ if (!status.isOk()) {
*message = "Unable to get device variant";
+ LOG(ERROR) << message->c_str() << status.getDescription();
return false;
}
+ *message = device_variant;
return true;
}
@@ -147,17 +144,14 @@
return false;
}
- Result ret;
- auto ret_val = fastboot_hal->getBatteryVoltageFlashingThreshold(
- [&](int32_t voltage_threshold, Result result) {
- *message = battery_voltage >= voltage_threshold ? "yes" : "no";
- ret = result;
- });
-
- if (!ret_val.isOk() || ret.status != Status::SUCCESS) {
+ auto voltage_threshold = 0;
+ auto status = fastboot_hal->getBatteryVoltageFlashingThreshold(&voltage_threshold);
+ if (!status.isOk()) {
*message = "Unable to get battery voltage flashing threshold";
+ LOG(ERROR) << message->c_str() << status.getDescription();
return false;
}
+ *message = battery_voltage >= voltage_threshold ? "yes" : "no";
return true;
}
@@ -169,18 +163,14 @@
*message = "Fastboot HAL not found";
return false;
}
-
- Result ret;
- auto ret_val =
- fastboot_hal->getOffModeChargeState([&](bool off_mode_charging_state, Result result) {
- *message = off_mode_charging_state ? "1" : "0";
- ret = result;
- });
- if (!ret_val.isOk() || (ret.status != Status::SUCCESS)) {
+ bool off_mode_charging_state = false;
+ auto status = fastboot_hal->getOffModeChargeState(&off_mode_charging_state);
+ if (!status.isOk()) {
*message = "Unable to get off mode charge state";
+ LOG(ERROR) << message->c_str() << status.getDescription();
return false;
}
-
+ *message = off_mode_charging_state ? "1" : "0";
return true;
}
@@ -337,14 +327,11 @@
}
FileSystemType type;
- Result ret;
- auto ret_val =
- fastboot_hal->getPartitionType(args[0], [&](FileSystemType fs_type, Result result) {
- type = fs_type;
- ret = result;
- });
- if (!ret_val.isOk() || (ret.status != Status::SUCCESS)) {
+ auto status = fastboot_hal->getPartitionType(args[0], &type);
+
+ if (!status.isOk()) {
*message = "Unable to retrieve partition type";
+ LOG(ERROR) << message->c_str() << status.getDescription();
} else {
switch (type) {
case FileSystemType::RAW:
@@ -392,6 +379,12 @@
return true;
}
+bool GetIsForceDebuggable(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
+ std::string* message) {
+ *message = android::base::GetBoolProperty("ro.force.debuggable", false) ? "yes" : "no";
+ return true;
+}
+
std::vector<std::vector<std::string>> GetAllPartitionArgsWithSlot(FastbootDevice* device) {
std::vector<std::vector<std::string>> args;
auto partitions = ListPartitions(device);
diff --git a/fastboot/device/variables.h b/fastboot/device/variables.h
index aa4d9fc..3b2d484 100644
--- a/fastboot/device/variables.h
+++ b/fastboot/device/variables.h
@@ -54,6 +54,8 @@
std::string* message);
bool GetIsUserspace(FastbootDevice* device, const std::vector<std::string>& args,
std::string* message);
+bool GetIsForceDebuggable(FastbootDevice* device, const std::vector<std::string>& args,
+ std::string* message);
bool GetHardwareRevision(FastbootDevice* device, const std::vector<std::string>& args,
std::string* message);
bool GetVariant(FastbootDevice* device, const std::vector<std::string>& args, std::string* message);
diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index 46190f2..c9cb228 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -44,8 +44,12 @@
#include <unistd.h>
#include <chrono>
+#include <fstream>
#include <functional>
+#include <iostream>
+#include <memory>
#include <regex>
+#include <sstream>
#include <string>
#include <thread>
#include <utility>
@@ -53,6 +57,7 @@
#include <android-base/endian.h>
#include <android-base/file.h>
+#include <android-base/logging.h>
#include <android-base/macros.h>
#include <android-base/parseint.h>
#include <android-base/parsenetaddress.h>
@@ -62,6 +67,7 @@
#include <build/version.h>
#include <libavb/libavb.h>
#include <liblp/liblp.h>
+#include <liblp/super_layout_builder.h>
#include <platform_tools_version.h>
#include <sparse/sparse.h>
#include <ziparchive/zip_archive.h>
@@ -71,6 +77,9 @@
#include "diagnose_usb.h"
#include "fastboot_driver.h"
#include "fs.h"
+#include "storage.h"
+#include "super_flash_helper.h"
+#include "task.h"
#include "tcp.h"
#include "transport.h"
#include "udp.h"
@@ -113,7 +122,7 @@
struct fastboot_buffer {
enum fb_buffer_type type;
- void* data;
+ std::vector<SparsePtr> files;
int64_t sz;
unique_fd fd;
int64_t image_size;
@@ -129,23 +138,23 @@
};
struct Image {
- const char* nickname;
- const char* img_name;
- const char* sig_name;
- const char* part_name;
+ std::string nickname;
+ std::string img_name;
+ std::string sig_name;
+ std::string part_name;
bool optional_if_no_image;
ImageType type;
- bool IsSecondary() const { return nickname == nullptr; }
+ bool IsSecondary() const { return nickname.empty(); }
};
-static Image images[] = {
+static std::vector<Image> images = {
// clang-format off
{ "boot", "boot.img", "boot.sig", "boot", false, ImageType::BootCritical },
{ "init_boot",
"init_boot.img", "init_boot.sig",
"init_boot",
true, ImageType::BootCritical },
- { nullptr, "boot_other.img", "boot.sig", "boot", true, ImageType::Normal },
+ { "", "boot_other.img", "boot.sig", "boot", true, ImageType::Normal },
{ "cache", "cache.img", "cache.sig", "cache", true, ImageType::Extra },
{ "dtbo", "dtbo.img", "dtbo.sig", "dtbo", true, ImageType::BootCritical },
{ "dts", "dt.img", "dt.sig", "dts", true, ImageType::BootCritical },
@@ -164,7 +173,7 @@
"system_ext.img", "system_ext.sig",
"system_ext",
true, ImageType::Normal },
- { nullptr, "system_other.img", "system.sig", "system", true, ImageType::Normal },
+ { "", "system_other.img", "system.sig", "system", true, ImageType::Normal },
{ "userdata", "userdata.img", "userdata.sig", "userdata", true, ImageType::Extra },
{ "vbmeta", "vbmeta.img", "vbmeta.sig", "vbmeta", true, ImageType::BootCritical },
{ "vbmeta_system",
@@ -191,7 +200,7 @@
"vendor_kernel_boot.sig",
"vendor_kernel_boot",
true, ImageType::BootCritical },
- { nullptr, "vendor_other.img", "vendor.sig", "vendor", true, ImageType::Normal },
+ { "", "vendor_other.img", "vendor.sig", "vendor", true, ImageType::Normal },
// clang-format on
};
@@ -211,9 +220,9 @@
return std::string(dir) + "/" + img_name;
}
-static std::string find_item(const std::string& item) {
- for (size_t i = 0; i < arraysize(images); ++i) {
- if (images[i].nickname && item == images[i].nickname) {
+std::string find_item(const std::string& item) {
+ for (size_t i = 0; i < images.size(); ++i) {
+ if (!images[i].nickname.empty() && item == images[i].nickname) {
return find_item_given_name(images[i].img_name);
}
}
@@ -246,14 +255,6 @@
fprintf(stderr, "(bootloader) %s\n", info.c_str());
}
-static int64_t get_file_size(borrowed_fd fd) {
- struct stat sb;
- if (fstat(fd.get(), &sb) == -1) {
- die("could not get file size");
- }
- return sb.st_size;
-}
-
bool ReadFileToVector(const std::string& file, std::vector<char>* out) {
out->clear();
@@ -274,12 +275,41 @@
// require matching serial number or device path if requested
// at the command line with the -s option.
if (local_serial && (strcmp(local_serial, info->serial_number) != 0 &&
- strcmp(local_serial, info->device_path) != 0)) return -1;
+ strcmp(local_serial, info->device_path) != 0))
+ return -1;
return 0;
}
-static int match_fastboot(usb_ifc_info* info) {
- return match_fastboot_with_serial(info, serial);
+static ifc_match_func match_fastboot(const char* local_serial = serial) {
+ return [local_serial](usb_ifc_info* info) -> int {
+ return match_fastboot_with_serial(info, local_serial);
+ };
+}
+
+// output compatible with "adb devices"
+static void PrintDevice(const char* local_serial, const char* status = nullptr,
+ const char* details = nullptr) {
+ if (local_serial == nullptr || strlen(local_serial) == 0) {
+ return;
+ }
+
+ if (g_long_listing) {
+ printf("%-22s", local_serial);
+ } else {
+ printf("%s\t", local_serial);
+ }
+
+ if (status != nullptr && strlen(status) > 0) {
+ printf(" %s", status);
+ }
+
+ if (g_long_listing) {
+ if (details != nullptr && strlen(details) > 0) {
+ printf(" %s", details);
+ }
+ }
+
+ putchar('\n');
}
static int list_devices_callback(usb_ifc_info* info) {
@@ -295,91 +325,232 @@
if (!serial[0]) {
serial = "????????????";
}
- // output compatible with "adb devices"
- if (!g_long_listing) {
- printf("%s\t%s", serial.c_str(), interface.c_str());
- } else {
- printf("%-22s %s", serial.c_str(), interface.c_str());
- if (strlen(info->device_path) > 0) printf(" %s", info->device_path);
- }
- putchar('\n');
+
+ PrintDevice(serial.c_str(), interface.c_str(), info->device_path);
}
return -1;
}
-// Opens a new Transport connected to a device. If |serial| is non-null it will be used to identify
-// a specific device, otherwise the first USB device found will be used.
+struct NetworkSerial {
+ Socket::Protocol protocol;
+ std::string address;
+ int port;
+};
+
+static Result<NetworkSerial> ParseNetworkSerial(const std::string& serial) {
+ const auto serial_parsed = android::base::Tokenize(serial, ":");
+ const auto parsed_segments_count = serial_parsed.size();
+ if (parsed_segments_count != 2 && parsed_segments_count != 3) {
+ return Error() << "invalid network address: " << serial << ". Expected format:\n"
+ << "<protocol>:<address>:<port> (tcp:localhost:5554)";
+ }
+
+ Socket::Protocol protocol;
+ if (serial_parsed[0] == "tcp") {
+ protocol = Socket::Protocol::kTcp;
+ } else if (serial_parsed[0] == "udp") {
+ protocol = Socket::Protocol::kUdp;
+ } else {
+ return Error() << "invalid network address: " << serial << ". Expected format:\n"
+ << "<protocol>:<address>:<port> (tcp:localhost:5554)";
+ }
+
+ int port = 5554;
+ if (parsed_segments_count == 3) {
+ android::base::ParseInt(serial_parsed[2], &port, 5554);
+ }
+
+ return NetworkSerial{protocol, serial_parsed[1], port};
+}
+
+// Opens a new Transport connected to the particular device.
+// arguments:
//
-// If |serial| is non-null but invalid, this exits.
-// Otherwise it blocks until the target is available.
+// local_serial - device to connect (can be a network or usb serial name)
+// wait_for_device - flag indicates whether we need to wait for device
+// announce - flag indicates whether we need to print error to stdout in case
+// we cannot connect to the device
//
// The returned Transport is a singleton, so multiple calls to this function will return the same
// object, and the caller should not attempt to delete the returned Transport.
-static Transport* open_device() {
- bool announce = true;
-
- Socket::Protocol protocol = Socket::Protocol::kTcp;
- std::string host;
- int port = 0;
- if (serial != nullptr) {
- const char* net_address = nullptr;
-
- if (android::base::StartsWith(serial, "tcp:")) {
- protocol = Socket::Protocol::kTcp;
- port = tcp::kDefaultPort;
- net_address = serial + strlen("tcp:");
- } else if (android::base::StartsWith(serial, "udp:")) {
- protocol = Socket::Protocol::kUdp;
- port = udp::kDefaultPort;
- net_address = serial + strlen("udp:");
- }
-
- if (net_address != nullptr) {
- std::string error;
- if (!android::base::ParseNetAddress(net_address, &host, &port, nullptr, &error)) {
- die("invalid network address '%s': %s\n", net_address, error.c_str());
- }
- }
- }
+static Transport* open_device(const char* local_serial, bool wait_for_device = true,
+ bool announce = true) {
+ const Result<NetworkSerial> network_serial = ParseNetworkSerial(local_serial);
Transport* transport = nullptr;
while (true) {
- if (!host.empty()) {
+ if (network_serial.ok()) {
std::string error;
- if (protocol == Socket::Protocol::kTcp) {
- transport = tcp::Connect(host, port, &error).release();
- } else if (protocol == Socket::Protocol::kUdp) {
- transport = udp::Connect(host, port, &error).release();
+ if (network_serial->protocol == Socket::Protocol::kTcp) {
+ transport = tcp::Connect(network_serial->address, network_serial->port, &error)
+ .release();
+ } else if (network_serial->protocol == Socket::Protocol::kUdp) {
+ transport = udp::Connect(network_serial->address, network_serial->port, &error)
+ .release();
}
if (transport == nullptr && announce) {
- fprintf(stderr, "error: %s\n", error.c_str());
+ LOG(ERROR) << "error: " << error;
}
} else {
- transport = usb_open(match_fastboot);
+ transport = usb_open(match_fastboot(local_serial));
}
if (transport != nullptr) {
return transport;
}
+ if (!wait_for_device) {
+ return nullptr;
+ }
+
if (announce) {
announce = false;
- fprintf(stderr, "< waiting for %s >\n", serial ? serial : "any device");
+ LOG(ERROR) << "< waiting for " << local_serial << ">";
}
std::this_thread::sleep_for(std::chrono::milliseconds(1));
}
}
+static Transport* NetworkDeviceConnected(bool print = false) {
+ Transport* transport = nullptr;
+ Transport* result = nullptr;
+
+ ConnectedDevicesStorage storage;
+ std::set<std::string> devices;
+ {
+ FileLock lock = storage.Lock();
+ devices = storage.ReadDevices(lock);
+ }
+
+ for (const std::string& device : devices) {
+ transport = open_device(device.c_str(), false, false);
+
+ if (print) {
+ PrintDevice(device.c_str(), transport == nullptr ? "offline" : "device");
+ }
+
+ if (transport != nullptr) {
+ result = transport;
+ }
+ }
+
+ return result;
+}
+
+// Detects the fastboot connected device to open a new Transport.
+// Detecting logic:
+//
+// if serial is provided - try to connect to this particular usb/network device
+// othervise:
+// 1. Check connected usb devices and return the last connected one
+// 2. Check connected network devices and return the last connected one
+// 2. If nothing is connected - wait for any device by repeating p. 1 and 2
+//
+// The returned Transport is a singleton, so multiple calls to this function will return the same
+// object, and the caller should not attempt to delete the returned Transport.
+static Transport* open_device() {
+ if (serial != nullptr) {
+ return open_device(serial);
+ }
+
+ bool announce = true;
+ Transport* transport = nullptr;
+ while (true) {
+ transport = usb_open(match_fastboot(nullptr));
+ if (transport != nullptr) {
+ return transport;
+ }
+
+ transport = NetworkDeviceConnected();
+ if (transport != nullptr) {
+ return transport;
+ }
+
+ if (announce) {
+ announce = false;
+ LOG(ERROR) << "< waiting for any device >";
+ }
+ std::this_thread::sleep_for(std::chrono::milliseconds(1));
+ }
+}
+
+static int Connect(int argc, char* argv[]) {
+ if (argc != 1) {
+ LOG(FATAL) << "connect command requires to receive only 1 argument. Usage:" << std::endl
+ << "fastboot connect [tcp:|udp:host:port]";
+ }
+
+ const char* local_serial = *argv;
+ EXPECT(ParseNetworkSerial(local_serial));
+
+ const Transport* transport = open_device(local_serial, false);
+ if (transport == nullptr) {
+ return 1;
+ }
+
+ ConnectedDevicesStorage storage;
+ {
+ FileLock lock = storage.Lock();
+ std::set<std::string> devices = storage.ReadDevices(lock);
+ devices.insert(local_serial);
+ storage.WriteDevices(lock, devices);
+ }
+
+ return 0;
+}
+
+static int Disconnect(const char* local_serial) {
+ EXPECT(ParseNetworkSerial(local_serial));
+
+ ConnectedDevicesStorage storage;
+ {
+ FileLock lock = storage.Lock();
+ std::set<std::string> devices = storage.ReadDevices(lock);
+ devices.erase(local_serial);
+ storage.WriteDevices(lock, devices);
+ }
+
+ return 0;
+}
+
+static int Disconnect() {
+ ConnectedDevicesStorage storage;
+ {
+ FileLock lock = storage.Lock();
+ storage.Clear(lock);
+ }
+
+ return 0;
+}
+
+static int Disconnect(int argc, char* argv[]) {
+ switch (argc) {
+ case 0: {
+ return Disconnect();
+ }
+ case 1: {
+ return Disconnect(*argv);
+ }
+ default:
+ LOG(FATAL) << "disconnect command can receive only 0 or 1 arguments. Usage:"
+ << std::endl
+ << "fastboot disconnect # disconnect all devices" << std::endl
+ << "fastboot disconnect [tcp:|udp:host:port] # disconnect device";
+ }
+
+ return 0;
+}
+
static void list_devices() {
// We don't actually open a USB device here,
// just getting our callback called so we can
// list all the connected devices.
usb_open(list_devices_callback);
+ NetworkDeviceConnected(/* print */ true);
}
-
-static void syntax_error(const char* fmt, ...) {
+void syntax_error(const char* fmt, ...) {
fprintf(stderr, "fastboot: usage: ");
va_list ap;
@@ -532,15 +703,15 @@
std::vector<char> dtb_data;
if (!g_dtb_path.empty()) {
if (g_boot_img_hdr.header_version != 2) {
- die("Argument dtb not supported for boot image header version %d\n",
- g_boot_img_hdr.header_version);
+ die("Argument dtb not supported for boot image header version %d\n",
+ g_boot_img_hdr.header_version);
}
if (!ReadFileToVector(g_dtb_path, &dtb_data)) {
die("cannot load '%s': %s", g_dtb_path.c_str(), strerror(errno));
}
}
- fprintf(stderr,"creating boot image...\n");
+ fprintf(stderr, "creating boot image...\n");
std::vector<char> out;
mkbootimg(kernel_data, ramdisk_data, second_stage_data, dtb_data, g_base_addr, g_boot_img_hdr,
@@ -562,15 +733,15 @@
}
if (zip_entry.uncompressed_length > std::numeric_limits<size_t>::max()) {
- die("entry '%s' is too large: %" PRIu64, entry_name.c_str(), zip_entry.uncompressed_length);
+ die("entry '%s' is too large: %" PRIu64, entry_name.c_str(), zip_entry.uncompressed_length);
}
out->resize(zip_entry.uncompressed_length);
fprintf(stderr, "extracting %s (%zu MB) to RAM...\n", entry_name.c_str(),
out->size() / 1024 / 1024);
- int error = ExtractToMemory(zip, &zip_entry, reinterpret_cast<uint8_t*>(out->data()),
- out->size());
+ int error =
+ ExtractToMemory(zip, &zip_entry, reinterpret_cast<uint8_t*>(out->data()), out->size());
if (error != 0) die("failed to extract '%s': %s", entry_name.c_str(), ErrorCodeString(error));
return true;
@@ -618,8 +789,8 @@
std::string path_template(make_temporary_template());
int fd = mkstemp(&path_template[0]);
if (fd == -1) {
- die("failed to create temporary file for %s with template %s: %s\n",
- path_template.c_str(), what, strerror(errno));
+ die("failed to create temporary file for %s with template %s: %s\n", path_template.c_str(),
+ what, strerror(errno));
}
unlink(path_template.c_str());
return fd;
@@ -673,16 +844,15 @@
std::string var_value;
if (fb->GetVar(var, &var_value) != fastboot::SUCCESS) {
fprintf(stderr, "FAILED\n\n");
- fprintf(stderr, "Could not getvar for '%s' (%s)\n\n", var.c_str(),
- fb->Error().c_str());
+ fprintf(stderr, "Could not getvar for '%s' (%s)\n\n", var.c_str(), fb->Error().c_str());
return false;
}
bool match = false;
for (const auto& option : options) {
- if (option == var_value || (option.back() == '*' &&
- !var_value.compare(0, option.length() - 1, option, 0,
- option.length() - 1))) {
+ if (option == var_value ||
+ (option.back() == '*' &&
+ !var_value.compare(0, option.length() - 1, option, 0, option.length() - 1))) {
match = true;
break;
}
@@ -757,8 +927,8 @@
die("device doesn't have required partition %s!", partition_name.c_str());
}
bool known_partition = false;
- for (size_t i = 0; i < arraysize(images); ++i) {
- if (images[i].nickname && images[i].nickname == partition_name) {
+ for (size_t i = 0; i < images.size(); ++i) {
+ if (!images[i].nickname.empty() && images[i].nickname == partition_name) {
images[i].optional_if_no_image = false;
known_partition = true;
}
@@ -796,9 +966,9 @@
bool met = CheckRequirement(cur_product, name, product, invert, options);
if (!met) {
if (!force_flash) {
- die("requirements not met!");
+ die("requirements not met!");
} else {
- fprintf(stderr, "requirements not met! but proceeding due to --force\n");
+ fprintf(stderr, "requirements not met! but proceeding due to --force\n");
}
}
}
@@ -822,29 +992,34 @@
DisplayVarOrError("Baseband Version.....", "version-baseband");
DisplayVarOrError("Serial Number........", "serialno");
fprintf(stderr, "--------------------------------------------\n");
-
}
-static struct sparse_file** load_sparse_files(int fd, int64_t max_size) {
- struct sparse_file* s = sparse_file_import_auto(fd, false, true);
- if (!s) die("cannot sparse read file");
-
+static std::vector<SparsePtr> resparse_file(sparse_file* s, int64_t max_size) {
if (max_size <= 0 || max_size > std::numeric_limits<uint32_t>::max()) {
- die("invalid max size %" PRId64, max_size);
+ die("invalid max size %" PRId64, max_size);
}
- int files = sparse_file_resparse(s, max_size, nullptr, 0);
+ const int files = sparse_file_resparse(s, max_size, nullptr, 0);
if (files < 0) die("Failed to resparse");
- sparse_file** out_s = reinterpret_cast<sparse_file**>(calloc(sizeof(struct sparse_file *), files + 1));
- if (!out_s) die("Failed to allocate sparse file array");
+ auto temp = std::make_unique<sparse_file*[]>(files);
+ const int rv = sparse_file_resparse(s, max_size, temp.get(), files);
+ if (rv < 0) die("Failed to resparse");
- files = sparse_file_resparse(s, max_size, out_s, files);
- if (files < 0) die("Failed to resparse");
-
+ std::vector<SparsePtr> out_s;
+ for (int i = 0; i < files; i++) {
+ out_s.emplace_back(temp[i], sparse_file_destroy);
+ }
return out_s;
}
+static std::vector<SparsePtr> load_sparse_files(int fd, int64_t max_size) {
+ SparsePtr s(sparse_file_import_auto(fd, false, true), sparse_file_destroy);
+ if (!s) die("cannot sparse read file");
+
+ return resparse_file(s.get(), max_size);
+}
+
static uint64_t get_uint_var(const char* var_name) {
std::string value_str;
if (fb->GetVar(var_name, &value_str) != fastboot::SUCCESS || value_str.empty()) {
@@ -903,15 +1078,13 @@
int64_t limit = get_sparse_limit(sz);
buf->fd = std::move(fd);
if (limit) {
- sparse_file** s = load_sparse_files(buf->fd.get(), limit);
- if (s == nullptr) {
+ buf->files = load_sparse_files(buf->fd.get(), limit);
+ if (buf->files.empty()) {
return false;
}
buf->type = FB_BUFFER_SPARSE;
- buf->data = s;
} else {
buf->type = FB_BUFFER_FD;
- buf->data = nullptr;
buf->sz = sz;
}
@@ -996,6 +1169,8 @@
fb->GetVar("partition-type:vbmeta_b", &partition_type) == fastboot::SUCCESS;
}
+// Note: this only works in userspace fastboot. In the bootloader, use
+// should_flash_in_userspace().
static bool is_logical(const std::string& partition) {
std::string value;
return fb->GetVar("is-logical:" + partition, &value) == fastboot::SUCCESS && value == "yes";
@@ -1078,12 +1253,19 @@
lseek(buf->fd.get(), 0, SEEK_SET);
}
-static void flash_buf(const std::string& partition, struct fastboot_buffer *buf)
-{
- sparse_file** s;
+static void flash_partition_files(const std::string& partition,
+ const std::vector<SparsePtr>& files) {
+ for (size_t i = 0; i < files.size(); i++) {
+ sparse_file* s = files[i].get();
+ int64_t sz = sparse_file_len(s, true, false);
+ fb->FlashPartition(partition, s, sz, i + 1, files.size());
+ }
+}
+static void flash_buf(const std::string& partition, struct fastboot_buffer* buf) {
if (partition == "boot" || partition == "boot_a" || partition == "boot_b" ||
- partition == "init_boot" || partition == "init_boot_a" || partition == "init_boot_b") {
+ partition == "init_boot" || partition == "init_boot_a" || partition == "init_boot_b" ||
+ partition == "recovery" || partition == "recovery_a" || partition == "recovery_b") {
copy_avb_footer(partition, buf);
}
@@ -1097,24 +1279,13 @@
rewrite_vbmeta_buffer(buf, false /* vbmeta_in_boot */);
} else if (!has_vbmeta_partition() &&
(partition == "boot" || partition == "boot_a" || partition == "boot_b")) {
- rewrite_vbmeta_buffer(buf, true /* vbmeta_in_boot */ );
+ rewrite_vbmeta_buffer(buf, true /* vbmeta_in_boot */);
}
}
switch (buf->type) {
case FB_BUFFER_SPARSE: {
- std::vector<std::pair<sparse_file*, int64_t>> sparse_files;
- s = reinterpret_cast<sparse_file**>(buf->data);
- while (*s) {
- int64_t sz = sparse_file_len(*s, true, false);
- sparse_files.emplace_back(*s, sz);
- ++s;
- }
-
- for (size_t i = 0; i < sparse_files.size(); ++i) {
- const auto& pair = sparse_files[i];
- fb->FlashPartition(partition, pair.first, pair.second, i + 1, sparse_files.size());
- }
+ flash_partition_files(partition, buf->files);
break;
}
case FB_BUFFER_FD:
@@ -1143,14 +1314,14 @@
}
static bool supports_AB() {
- return get_slot_count() >= 2;
+ return get_slot_count() >= 2;
}
// Given a current slot, this returns what the 'other' slot is.
static std::string get_other_slot(const std::string& current_slot, int count) {
if (count == 0) return "";
- char next = (current_slot[0] - 'a' + 1)%count + 'a';
+ char next = (current_slot[0] - 'a' + 1) % count + 'a';
return std::string(1, next);
}
@@ -1185,17 +1356,17 @@
if (count == 0) die("Device does not support slots");
if (slot == "other") {
- std::string other = get_other_slot( count);
+ std::string other = get_other_slot(count);
if (other == "") {
- die("No known slots");
+ die("No known slots");
}
return other;
}
- if (slot.size() == 1 && (slot[0]-'a' >= 0 && slot[0]-'a' < count)) return slot;
+ if (slot.size() == 1 && (slot[0] - 'a' >= 0 && slot[0] - 'a' < count)) return slot;
fprintf(stderr, "Slot %s does not exist. supported slots are:\n", slot.c_str());
- for (int i=0; i<count; i++) {
+ for (int i = 0; i < count; i++) {
fprintf(stderr, "%c\n", (char)(i + 'a'));
}
@@ -1203,7 +1374,7 @@
}
static std::string verify_slot(const std::string& slot) {
- return verify_slot(slot, true);
+ return verify_slot(slot, true);
}
static void do_for_partition(const std::string& part, const std::string& slot,
@@ -1242,8 +1413,8 @@
* partition names. If force_slot is true, it will fail if a slot is specified, and the given
* partition does not support slots.
*/
-static void do_for_partitions(const std::string& part, const std::string& slot,
- const std::function<void(const std::string&)>& func, bool force_slot) {
+void do_for_partitions(const std::string& part, const std::string& slot,
+ const std::function<void(const std::string&)>& func, bool force_slot) {
std::string has_slot;
// |part| can be vendor_boot:default. Query has-slot on the first token only.
auto part_tokens = android::base::Split(part, ":");
@@ -1254,7 +1425,7 @@
slot.c_str());
}
if (has_slot == "yes") {
- for (int i=0; i < get_slot_count(); i++) {
+ for (int i = 0; i < get_slot_count(); i++) {
do_for_partition(part, std::string(1, (char)(i + 'a')), func, force_slot);
}
} else {
@@ -1339,7 +1510,7 @@
return partition;
}
-static void do_flash(const char* pname, const char* fname) {
+void do_flash(const char* pname, const char* fname) {
verbose("Do flash %s %s", pname, fname);
struct fastboot_buffer buf;
@@ -1368,12 +1539,12 @@
}
}
-static bool is_userspace_fastboot() {
+bool is_userspace_fastboot() {
std::string value;
return fb->GetVar("is-userspace", &value) == fastboot::SUCCESS && value == "yes";
}
-static void reboot_to_userspace_fastboot() {
+void reboot_to_userspace_fastboot() {
fb->RebootTo("fastboot");
auto* old_transport = fb->set_transport(nullptr);
@@ -1401,13 +1572,6 @@
}
}
-class ImageSource {
- public:
- virtual ~ImageSource() {};
- virtual bool ReadFile(const std::string& name, std::vector<char>* out) const = 0;
- virtual unique_fd OpenFile(const std::string& name) const = 0;
-};
-
class FlashAllTool {
public:
FlashAllTool(const ImageSource& source, const std::string& slot_override, bool skip_secondary,
@@ -1417,31 +1581,39 @@
private:
void CheckRequirements();
- void DetermineSecondarySlot();
+ void DetermineSlot();
void CollectImages();
void FlashImages(const std::vector<std::pair<const Image*, std::string>>& images);
void FlashImage(const Image& image, const std::string& slot, fastboot_buffer* buf);
void UpdateSuperPartition();
+ bool OptimizedFlashSuper();
+
+ // If the image uses the default slot, or the user specified "all", then
+ // the paired string will be empty. If the image requests a specific slot
+ // (for example, system_other) it is specified instead.
+ using ImageEntry = std::pair<const Image*, std::string>;
+
+ std::string GetPartitionName(const ImageEntry& entry);
const ImageSource& source_;
std::string slot_override_;
bool skip_secondary_;
bool wipe_;
bool force_flash_;
+ std::string current_slot_;
std::string secondary_slot_;
- std::vector<std::pair<const Image*, std::string>> boot_images_;
- std::vector<std::pair<const Image*, std::string>> os_images_;
+
+ std::vector<ImageEntry> boot_images_;
+ std::vector<ImageEntry> os_images_;
};
FlashAllTool::FlashAllTool(const ImageSource& source, const std::string& slot_override,
bool skip_secondary, bool wipe, bool force_flash)
- : source_(source),
- slot_override_(slot_override),
- skip_secondary_(skip_secondary),
- wipe_(wipe),
- force_flash_(force_flash)
-{
-}
+ : source_(source),
+ slot_override_(slot_override),
+ skip_secondary_(skip_secondary),
+ wipe_(wipe),
+ force_flash_(force_flash) {}
void FlashAllTool::Flash() {
DumpInfo();
@@ -1455,7 +1627,7 @@
set_active(slot_override_);
}
- DetermineSecondarySlot();
+ DetermineSlot();
CollectImages();
CancelSnapshotIfNeeded();
@@ -1464,24 +1636,92 @@
// or in bootloader fastboot.
FlashImages(boot_images_);
- // Sync the super partition. This will reboot to userspace fastboot if needed.
- UpdateSuperPartition();
+ if (!OptimizedFlashSuper()) {
+ // Sync the super partition. This will reboot to userspace fastboot if needed.
+ UpdateSuperPartition();
- // Resize any logical partition to 0, so each partition is reset to 0
- // extents, and will achieve more optimal allocation.
- for (const auto& [image, slot] : os_images_) {
- auto resize_partition = [](const std::string& partition) -> void {
- if (is_logical(partition)) {
- fb->ResizePartition(partition, "0");
- }
- };
- do_for_partitions(image->part_name, slot, resize_partition, false);
+ // Resize any logical partition to 0, so each partition is reset to 0
+ // extents, and will achieve more optimal allocation.
+ for (const auto& [image, slot] : os_images_) {
+ auto resize_partition = [](const std::string& partition) -> void {
+ if (is_logical(partition)) {
+ fb->ResizePartition(partition, "0");
+ }
+ };
+ do_for_partitions(image->part_name, slot, resize_partition, false);
+ }
}
// Flash OS images, resizing logical partitions as needed.
FlashImages(os_images_);
}
+bool FlashAllTool::OptimizedFlashSuper() {
+ if (!supports_AB()) {
+ LOG(VERBOSE) << "Cannot optimize flashing super on non-AB device";
+ return false;
+ }
+ if (slot_override_ == "all") {
+ LOG(VERBOSE) << "Cannot optimize flashing super for all slots";
+ return false;
+ }
+
+ // Does this device use dynamic partitions at all?
+ unique_fd fd = source_.OpenFile("super_empty.img");
+ if (fd < 0) {
+ LOG(VERBOSE) << "could not open super_empty.img";
+ return false;
+ }
+
+ // Try to find whether there is a super partition.
+ std::string super_name;
+ if (fb->GetVar("super-partition-name", &super_name) != fastboot::SUCCESS) {
+ super_name = "super";
+ }
+ std::string partition_size_str;
+ if (fb->GetVar("partition-size:" + super_name, &partition_size_str) != fastboot::SUCCESS) {
+ LOG(VERBOSE) << "Cannot optimize super flashing: could not determine super partition";
+ return false;
+ }
+
+ SuperFlashHelper helper(source_);
+ if (!helper.Open(fd)) {
+ return false;
+ }
+
+ for (const auto& entry : os_images_) {
+ auto partition = GetPartitionName(entry);
+ auto image = entry.first;
+
+ if (!helper.AddPartition(partition, image->img_name, image->optional_if_no_image)) {
+ return false;
+ }
+ }
+
+ auto s = helper.GetSparseLayout();
+ if (!s) {
+ return false;
+ }
+
+ std::vector<SparsePtr> files;
+ if (int limit = get_sparse_limit(sparse_file_len(s.get(), false, false))) {
+ files = resparse_file(s.get(), limit);
+ } else {
+ files.emplace_back(std::move(s));
+ }
+
+ // Send the data to the device.
+ flash_partition_files(super_name, files);
+
+ // Remove images that we already flashed, just in case we have non-dynamic OS images.
+ auto remove_if_callback = [&, this](const ImageEntry& entry) -> bool {
+ return helper.WillFlash(GetPartitionName(entry));
+ };
+ os_images_.erase(std::remove_if(os_images_.begin(), os_images_.end(), remove_if_callback),
+ os_images_.end());
+ return true;
+}
+
void FlashAllTool::CheckRequirements() {
std::vector<char> contents;
if (!source_.ReadFile("android-info.txt", &contents)) {
@@ -1490,7 +1730,13 @@
::CheckRequirements({contents.data(), contents.size()}, force_flash_);
}
-void FlashAllTool::DetermineSecondarySlot() {
+void FlashAllTool::DetermineSlot() {
+ if (slot_override_.empty()) {
+ current_slot_ = get_current_slot();
+ } else {
+ current_slot_ = slot_override_;
+ }
+
if (skip_secondary_) {
return;
}
@@ -1508,7 +1754,7 @@
}
void FlashAllTool::CollectImages() {
- for (size_t i = 0; i < arraysize(images); ++i) {
+ for (size_t i = 0; i < images.size(); ++i) {
std::string slot = slot_override_;
if (images[i].IsSecondary()) {
if (skip_secondary_) {
@@ -1532,7 +1778,7 @@
if (image->optional_if_no_image) {
continue;
}
- die("could not load '%s': %s", image->img_name, strerror(errno));
+ die("could not load '%s': %s", image->img_name.c_str(), strerror(errno));
}
FlashImage(*image, slot, &buf);
}
@@ -1589,6 +1835,20 @@
}
}
+std::string FlashAllTool::GetPartitionName(const ImageEntry& entry) {
+ auto slot = entry.second;
+ if (slot.empty()) {
+ slot = current_slot_;
+ }
+ if (slot.empty()) {
+ return entry.first->part_name;
+ }
+ if (slot == "all") {
+ LOG(FATAL) << "Cannot retrieve a singular name when using all slots";
+ }
+ return entry.first->part_name + "_" + slot;
+}
+
class ZipImageSource final : public ImageSource {
public:
explicit ZipImageSource(ZipArchiveHandle zip) : zip_(zip) {}
@@ -1734,8 +1994,7 @@
fprintf(stderr, "File system type %s not supported.\n", partition_type.c_str());
return;
}
- die("Formatting is not supported for file system with type '%s'.",
- partition_type.c_str());
+ die("Formatting is not supported for file system with type '%s'.", partition_type.c_str());
}
int64_t size;
@@ -1772,7 +2031,7 @@
}
}
-static bool should_flash_in_userspace(const std::string& partition_name) {
+bool should_flash_in_userspace(const std::string& partition_name) {
if (!get_android_product_out()) {
return false;
}
@@ -1784,20 +2043,7 @@
if (!metadata) {
return false;
}
- for (const auto& partition : metadata->partitions) {
- auto candidate = android::fs_mgr::GetPartitionName(partition);
- if (partition.attributes & LP_PARTITION_ATTR_SLOT_SUFFIXED) {
- // On retrofit devices, we don't know if, or whether, the A or B
- // slot has been flashed for dynamic partitions. Instead we add
- // both names to the list as a conservative guess.
- if (candidate + "_a" == partition_name || candidate + "_b" == partition_name) {
- return true;
- }
- } else if (candidate == partition_name) {
- return true;
- }
- }
- return false;
+ return should_flash_in_userspace(*metadata.get(), partition_name);
}
static bool wipe_super(const android::fs_mgr::LpMetadata& metadata, const std::string& slot,
@@ -1870,7 +2116,28 @@
}
}
+static void FastbootLogger(android::base::LogId /* id */, android::base::LogSeverity severity,
+ const char* /* tag */, const char* /* file */, unsigned int /* line */,
+ const char* message) {
+ switch (severity) {
+ case android::base::INFO:
+ fprintf(stdout, "%s\n", message);
+ break;
+ case android::base::ERROR:
+ fprintf(stderr, "%s\n", message);
+ break;
+ default:
+ verbose("%s\n", message);
+ }
+}
+
+static void FastbootAborter(const char* message) {
+ die("%s", message);
+}
+
int FastBootTool::Main(int argc, char* argv[]) {
+ android::base::InitLogging(argv, FastbootLogger, FastbootAborter);
+
bool wants_wipe = false;
bool wants_reboot = false;
bool wants_reboot_bootloader = false;
@@ -1892,32 +2159,30 @@
g_boot_img_hdr.page_size = 2048;
g_boot_img_hdr.dtb_addr = 0x01100000;
- const struct option longopts[] = {
- {"base", required_argument, 0, 0},
- {"cmdline", required_argument, 0, 0},
- {"disable-verification", no_argument, 0, 0},
- {"disable-verity", no_argument, 0, 0},
- {"force", no_argument, 0, 0},
- {"fs-options", required_argument, 0, 0},
- {"header-version", required_argument, 0, 0},
- {"help", no_argument, 0, 'h'},
- {"kernel-offset", required_argument, 0, 0},
- {"os-patch-level", required_argument, 0, 0},
- {"os-version", required_argument, 0, 0},
- {"page-size", required_argument, 0, 0},
- {"ramdisk-offset", required_argument, 0, 0},
- {"set-active", optional_argument, 0, 'a'},
- {"skip-reboot", no_argument, 0, 0},
- {"skip-secondary", no_argument, 0, 0},
- {"slot", required_argument, 0, 0},
- {"tags-offset", required_argument, 0, 0},
- {"dtb", required_argument, 0, 0},
- {"dtb-offset", required_argument, 0, 0},
- {"unbuffered", no_argument, 0, 0},
- {"verbose", no_argument, 0, 'v'},
- {"version", no_argument, 0, 0},
- {0, 0, 0, 0}
- };
+ const struct option longopts[] = {{"base", required_argument, 0, 0},
+ {"cmdline", required_argument, 0, 0},
+ {"disable-verification", no_argument, 0, 0},
+ {"disable-verity", no_argument, 0, 0},
+ {"force", no_argument, 0, 0},
+ {"fs-options", required_argument, 0, 0},
+ {"header-version", required_argument, 0, 0},
+ {"help", no_argument, 0, 'h'},
+ {"kernel-offset", required_argument, 0, 0},
+ {"os-patch-level", required_argument, 0, 0},
+ {"os-version", required_argument, 0, 0},
+ {"page-size", required_argument, 0, 0},
+ {"ramdisk-offset", required_argument, 0, 0},
+ {"set-active", optional_argument, 0, 'a'},
+ {"skip-reboot", no_argument, 0, 0},
+ {"skip-secondary", no_argument, 0, 0},
+ {"slot", required_argument, 0, 0},
+ {"tags-offset", required_argument, 0, 0},
+ {"dtb", required_argument, 0, 0},
+ {"dtb-offset", required_argument, 0, 0},
+ {"unbuffered", no_argument, 0, 0},
+ {"verbose", no_argument, 0, 'v'},
+ {"version", no_argument, 0, 0},
+ {0, 0, 0, 0}};
serial = getenv("ANDROID_SERIAL");
@@ -1966,7 +2231,8 @@
setvbuf(stdout, nullptr, _IONBF, 0);
setvbuf(stderr, nullptr, _IONBF, 0);
} else if (name == "version") {
- fprintf(stdout, "fastboot version %s-%s\n", PLATFORM_TOOLS_VERSION, android::build::GetBuildNumber().c_str());
+ fprintf(stdout, "fastboot version %s-%s\n", PLATFORM_TOOLS_VERSION,
+ android::build::GetBuildNumber().c_str());
fprintf(stdout, "Installed as %s\n", android::base::GetExecutablePath().c_str());
return 0;
} else {
@@ -2015,6 +2281,18 @@
return 0;
}
+ if (argc > 0 && !strcmp(*argv, "connect")) {
+ argc -= optind;
+ argv += optind;
+ return Connect(argc, argv);
+ }
+
+ if (argc > 0 && !strcmp(*argv, "disconnect")) {
+ argc -= optind;
+ argv += optind;
+ return Disconnect(argc, argv);
+ }
+
if (argc > 0 && !strcmp(*argv, "help")) {
return show_help();
}
@@ -2024,9 +2302,9 @@
return 1;
}
fastboot::DriverCallbacks driver_callbacks = {
- .prolog = Status,
- .epilog = Epilog,
- .info = InfoMessage,
+ .prolog = Status,
+ .epilog = Epilog,
+ .info = InfoMessage,
};
fastboot::FastBootDriver fastboot_driver(transport, driver_callbacks, false);
fb = &fastboot_driver;
@@ -2063,7 +2341,8 @@
std::string partition = next_arg(&args);
auto erase = [&](const std::string& partition) {
std::string partition_type;
- if (fb->GetVar("partition-type:" + partition, &partition_type) == fastboot::SUCCESS &&
+ if (fb->GetVar("partition-type:" + partition, &partition_type) ==
+ fastboot::SUCCESS &&
fs_get_generator(partition_type) != nullptr) {
fprintf(stderr, "******** Did you mean to fastboot format this %s partition?\n",
partition_type.c_str());
@@ -2118,7 +2397,6 @@
} else {
syntax_error("unknown reboot target %s", what.c_str());
}
-
}
if (!args.empty()) syntax_error("junk after reboot command");
} else if (command == FB_CMD_REBOOT_BOOTLOADER) {
@@ -2140,7 +2418,6 @@
fb->Boot();
} else if (command == FB_CMD_FLASH) {
std::string pname = next_arg(&args);
-
std::string fname;
if (!args.empty()) {
fname = next_arg(&args);
@@ -2148,21 +2425,8 @@
fname = find_item(pname);
}
if (fname.empty()) die("cannot determine image filename for '%s'", pname.c_str());
-
- auto flash = [&](const std::string &partition) {
- if (should_flash_in_userspace(partition) && !is_userspace_fastboot() &&
- !force_flash) {
- die("The partition you are trying to flash is dynamic, and "
- "should be flashed via fastbootd. Please run:\n"
- "\n"
- " fastboot reboot fastboot\n"
- "\n"
- "And try again. If you are intentionally trying to "
- "overwrite a fixed partition, use --force.");
- }
- do_flash(partition.c_str(), fname.c_str());
- };
- do_for_partitions(pname, slot_override, flash, true);
+ FlashTask task(slot_override, force_flash, pname, fname);
+ task.Run();
} else if (command == "flash:raw") {
std::string partition = next_arg(&args);
std::string kernel = next_arg(&args);
@@ -2178,7 +2442,8 @@
do_for_partitions(partition, slot_override, flashraw, true);
} else if (command == "flashall") {
if (slot_override == "all") {
- fprintf(stderr, "Warning: slot set to 'all'. Secondary slots will not be flashed.\n");
+ fprintf(stderr,
+ "Warning: slot set to 'all'. Secondary slots will not be flashed.\n");
do_flashall(slot_override, true, wants_wipe, force_flash);
} else {
do_flashall(slot_override, skip_secondary, wants_wipe, force_flash);
@@ -2187,7 +2452,8 @@
} else if (command == "update") {
bool slot_all = (slot_override == "all");
if (slot_all) {
- fprintf(stderr, "Warning: slot set to 'all'. Secondary slots will not be flashed.\n");
+ fprintf(stderr,
+ "Warning: slot set to 'all'. Secondary slots will not be flashed.\n");
}
std::string filename = "update.zip";
if (!args.empty()) {
@@ -2214,10 +2480,9 @@
} else if (command == "flashing") {
if (args.empty()) {
syntax_error("missing 'flashing' command");
- } else if (args.size() == 1 && (args[0] == "unlock" || args[0] == "lock" ||
- args[0] == "unlock_critical" ||
- args[0] == "lock_critical" ||
- args[0] == "get_unlock_ability")) {
+ } else if (args.size() == 1 &&
+ (args[0] == "unlock" || args[0] == "lock" || args[0] == "unlock_critical" ||
+ args[0] == "lock_critical" || args[0] == "get_unlock_ability")) {
do_oem_command("flashing", &args);
} else {
syntax_error("unknown 'flashing' command %s", args[0].c_str());
@@ -2272,7 +2537,7 @@
if (force_flash) {
CancelSnapshotIfNeeded();
}
- std::vector<std::string> partitions = { "userdata", "cache", "metadata" };
+ std::vector<std::string> partitions = {"userdata", "cache", "metadata"};
for (const auto& partition : partitions) {
std::string partition_type;
if (fb->GetVar("partition-type:" + partition, &partition_type) != fastboot::SUCCESS) {
@@ -2334,8 +2599,7 @@
unsigned fsOptions = 0;
std::vector<std::string> options = android::base::Split(arg, ",");
- if (options.size() < 1)
- syntax_error("bad options: %s", arg);
+ if (options.size() < 1) syntax_error("bad options: %s", arg);
for (size_t i = 0; i < options.size(); ++i) {
if (options[i] == "casefold")
diff --git a/fastboot/fastboot.h b/fastboot/fastboot.h
index c23793a..b5fb8c0 100644
--- a/fastboot/fastboot.h
+++ b/fastboot/fastboot.h
@@ -25,6 +25,9 @@
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
+#pragma once
+
+#include <string>
#include <bootimg.h>
@@ -36,3 +39,12 @@
void ParseOsVersion(boot_img_hdr_v1*, const char*);
unsigned ParseFsOption(const char*);
};
+
+bool should_flash_in_userspace(const std::string& partition_name);
+bool is_userspace_fastboot();
+void do_flash(const char* pname, const char* fname);
+void do_for_partitions(const std::string& part, const std::string& slot,
+ const std::function<void(const std::string&)>& func, bool force_slot);
+std::string find_item(const std::string& item);
+void reboot_to_userspace_fastboot();
+void syntax_error(const char* fmt, ...);
diff --git a/fastboot/fastboot_driver.h b/fastboot/fastboot_driver.h
index bccd668..b422c91 100644
--- a/fastboot/fastboot_driver.h
+++ b/fastboot/fastboot_driver.h
@@ -32,6 +32,7 @@
#include <string>
#include <vector>
+#include <android-base/endian.h>
#include <android-base/logging.h>
#include <android-base/stringprintf.h>
#include <android-base/unique_fd.h>
diff --git a/fastboot/fastboot_driver_test.cpp b/fastboot/fastboot_driver_test.cpp
new file mode 100644
index 0000000..e874c3a
--- /dev/null
+++ b/fastboot/fastboot_driver_test.cpp
@@ -0,0 +1,60 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "fastboot_driver.h"
+
+#include <optional>
+
+#include <gtest/gtest.h>
+#include "mock_transport.h"
+
+using namespace ::testing;
+using namespace fastboot;
+
+class DriverTest : public ::testing::Test {
+ protected:
+ InSequence s_;
+};
+
+TEST_F(DriverTest, GetVar) {
+ MockTransport transport;
+ FastBootDriver driver(&transport);
+
+ EXPECT_CALL(transport, Write(_, _))
+ .With(AllArgs(RawData("getvar:version")))
+ .WillOnce(ReturnArg<1>());
+ EXPECT_CALL(transport, Read(_, _)).WillOnce(Invoke(CopyData("OKAY0.4")));
+
+ std::string output;
+ ASSERT_EQ(driver.GetVar("version", &output), SUCCESS) << driver.Error();
+ ASSERT_EQ(output, "0.4");
+}
+
+TEST_F(DriverTest, InfoMessage) {
+ MockTransport transport;
+ FastBootDriver driver(&transport);
+
+ EXPECT_CALL(transport, Write(_, _))
+ .With(AllArgs(RawData("oem dmesg")))
+ .WillOnce(ReturnArg<1>());
+ EXPECT_CALL(transport, Read(_, _)).WillOnce(Invoke(CopyData("INFOthis is an info line")));
+ EXPECT_CALL(transport, Read(_, _)).WillOnce(Invoke(CopyData("OKAY")));
+
+ std::vector<std::string> info;
+ ASSERT_EQ(driver.RawCommand("oem dmesg", "", nullptr, &info), SUCCESS) << driver.Error();
+ ASSERT_EQ(info.size(), size_t(1));
+ ASSERT_EQ(info[0], "this is an info line");
+}
diff --git a/fastboot/fastboot_test.cpp b/fastboot/fastboot_test.cpp
index 9c3ab6e..79f37fd 100644
--- a/fastboot/fastboot_test.cpp
+++ b/fastboot/fastboot_test.cpp
@@ -16,6 +16,7 @@
#include "fastboot.h"
+#include <android-base/logging.h>
#include <gtest/gtest.h>
TEST(FastBoot, ParseOsPatchLevel) {
@@ -201,3 +202,11 @@
// No spaces allowed before between require-for-product and :.
ParseRequirementLineTestMalformed("require-for-product :");
}
+
+int main(int argc, char* argv[]) {
+ ::testing::InitGoogleTest(&argc, argv);
+ android::base::InitLogging(argv);
+ android::base::SetMinimumLogSeverity(android::base::VERBOSE);
+
+ return RUN_ALL_TESTS();
+}
diff --git a/fastboot/filesystem.cpp b/fastboot/filesystem.cpp
new file mode 100644
index 0000000..94fde8e
--- /dev/null
+++ b/fastboot/filesystem.cpp
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifdef _WIN32
+#include <android-base/utf8.h>
+#include <direct.h>
+#include <shlobj.h>
+#else
+#include <pwd.h>
+#endif
+
+#include <android-base/logging.h>
+#include <android-base/parseint.h>
+#include <sys/file.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <vector>
+
+#include "filesystem.h"
+
+namespace {
+
+int LockFile(int fd) {
+#ifdef _WIN32
+ HANDLE handle = reinterpret_cast<HANDLE>(_get_osfhandle(fd));
+ OVERLAPPED overlapped = {};
+ const BOOL locked =
+ LockFileEx(handle, LOCKFILE_EXCLUSIVE_LOCK, 0, MAXDWORD, MAXDWORD, &overlapped);
+ return locked ? 0 : -1;
+#else
+ return flock(fd, LOCK_EX);
+#endif
+}
+
+} // namespace
+
+// inspired by adb implementation:
+// cs.android.com/android/platform/superproject/+/master:packages/modules/adb/adb_utils.cpp;l=275
+std::string GetHomeDirPath() {
+#ifdef _WIN32
+ WCHAR path[MAX_PATH];
+ const HRESULT hr = SHGetFolderPathW(NULL, CSIDL_PROFILE, NULL, 0, path);
+ if (FAILED(hr)) {
+ return {};
+ }
+ std::string home_str;
+ if (!android::base::WideToUTF8(path, &home_str)) {
+ return {};
+ }
+ return home_str;
+#else
+ if (const char* const home = getenv("HOME")) {
+ return home;
+ }
+
+ struct passwd pwent;
+ struct passwd* result;
+ int pwent_max = sysconf(_SC_GETPW_R_SIZE_MAX);
+ if (pwent_max == -1) {
+ pwent_max = 16384;
+ }
+ std::vector<char> buf(pwent_max);
+ int rc = getpwuid_r(getuid(), &pwent, buf.data(), buf.size(), &result);
+ if (rc == 0 && result) {
+ return result->pw_dir;
+ }
+#endif
+
+ return {};
+}
+
+bool FileExists(const std::string& path) {
+ return access(path.c_str(), F_OK) == 0;
+}
+
+bool EnsureDirectoryExists(const std::string& directory_path) {
+ const int result =
+#ifdef _WIN32
+ _mkdir(directory_path.c_str());
+#else
+ mkdir(directory_path.c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
+#endif
+
+ return result == 0 || errno == EEXIST;
+}
+
+FileLock::FileLock(const std::string& path) : fd_(open(path.c_str(), O_CREAT | O_WRONLY, 0644)) {
+ if (LockFile(fd_.get()) != 0) {
+ LOG(FATAL) << "Failed to acquire a lock on " << path;
+ }
+}
\ No newline at end of file
diff --git a/fastboot/filesystem.h b/fastboot/filesystem.h
new file mode 100644
index 0000000..5f41fbc
--- /dev/null
+++ b/fastboot/filesystem.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <android-base/unique_fd.h>
+
+#include <string>
+
+using android::base::unique_fd;
+
+// TODO(b/175635923): remove after enabling libc++fs for windows
+const char kPathSeparator =
+#ifdef _WIN32
+ '\\';
+#else
+ '/';
+#endif
+
+std::string GetHomeDirPath();
+bool EnsureDirectoryExists(const std::string& directory_path);
+
+class FileLock {
+ public:
+ FileLock() = delete;
+ FileLock(const std::string& path);
+
+ private:
+ unique_fd fd_;
+};
\ No newline at end of file
diff --git a/fastboot/mock_transport.h b/fastboot/mock_transport.h
new file mode 100644
index 0000000..cc3840c
--- /dev/null
+++ b/fastboot/mock_transport.h
@@ -0,0 +1,67 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#pragma once
+
+#include <string.h>
+
+#include <algorithm>
+#include <string_view>
+
+#include <gmock/gmock.h>
+#include "transport.h"
+
+class MockTransport : public Transport {
+ public:
+ MOCK_METHOD(ssize_t, Read, (void* data, size_t len), (override));
+ MOCK_METHOD(ssize_t, Write, (const void* data, size_t len), (override));
+ MOCK_METHOD(int, Close, (), (override));
+ MOCK_METHOD(int, Reset, (), (override));
+};
+
+class RawDataMatcher {
+ public:
+ explicit RawDataMatcher(const char* data) : data_(data) {}
+ explicit RawDataMatcher(std::string_view data) : data_(data) {}
+
+ bool MatchAndExplain(std::tuple<const void*, size_t> args,
+ ::testing::MatchResultListener*) const {
+ const void* expected_data = std::get<0>(args);
+ size_t expected_len = std::get<1>(args);
+ if (expected_len != data_.size()) {
+ return false;
+ }
+ return memcmp(expected_data, data_.data(), expected_len) == 0;
+ }
+ void DescribeTo(std::ostream* os) const { *os << "raw data is"; }
+ void DescribeNegationTo(std::ostream* os) const { *os << "raw data is not"; }
+
+ private:
+ std::string_view data_;
+};
+
+template <typename T>
+static inline ::testing::PolymorphicMatcher<RawDataMatcher> RawData(T data) {
+ return ::testing::MakePolymorphicMatcher(RawDataMatcher(data));
+}
+
+static inline auto CopyData(const char* source) {
+ return [source](void* buffer, size_t size) -> ssize_t {
+ size_t to_copy = std::min(size, strlen(source));
+ memcpy(buffer, source, to_copy);
+ return to_copy;
+ };
+};
diff --git a/fastboot/socket_test.cpp b/fastboot/socket_test.cpp
index 373abc3..74ff377 100644
--- a/fastboot/socket_test.cpp
+++ b/fastboot/socket_test.cpp
@@ -293,23 +293,23 @@
}
TEST(SocketMockTest, TestSendFailure) {
- SocketMock* mock = new SocketMock;
+ std::unique_ptr<SocketMock> mock(new SocketMock);
mock->ExpectSendFailure("foo");
- EXPECT_FALSE(SendString(mock, "foo"));
+ EXPECT_FALSE(SendString(mock.get(), "foo"));
- EXPECT_NONFATAL_FAILURE(SendString(mock, "foo"), "no message was expected");
+ EXPECT_NONFATAL_FAILURE(SendString(mock.get(), "foo"), "no message was expected");
mock->ExpectSend("foo");
- EXPECT_NONFATAL_FAILURE(SendString(mock, "bar"), "expected foo, but got bar");
- EXPECT_TRUE(SendString(mock, "foo"));
+ EXPECT_NONFATAL_FAILURE(SendString(mock.get(), "bar"), "expected foo, but got bar");
+ EXPECT_TRUE(SendString(mock.get(), "foo"));
mock->AddReceive("foo");
- EXPECT_NONFATAL_FAILURE(SendString(mock, "foo"), "called out-of-order");
- EXPECT_TRUE(ReceiveString(mock, "foo"));
+ EXPECT_NONFATAL_FAILURE(SendString(mock.get(), "foo"), "called out-of-order");
+ EXPECT_TRUE(ReceiveString(mock.get(), "foo"));
mock->ExpectSend("foo");
- EXPECT_NONFATAL_FAILURE(delete mock, "1 event(s) were not handled");
+ EXPECT_NONFATAL_FAILURE(mock.reset(), "1 event(s) were not handled");
}
TEST(SocketMockTest, TestReceiveSuccess) {
@@ -331,33 +331,33 @@
}
TEST(SocketMockTest, TestReceiveFailure) {
- SocketMock* mock = new SocketMock;
+ std::unique_ptr<SocketMock> mock(new SocketMock);
mock->AddReceiveFailure();
- EXPECT_FALSE(ReceiveString(mock, "foo"));
+ EXPECT_FALSE(ReceiveString(mock.get(), "foo"));
EXPECT_FALSE(mock->ReceiveTimedOut());
mock->AddReceiveTimeout();
- EXPECT_FALSE(ReceiveString(mock, "foo"));
+ EXPECT_FALSE(ReceiveString(mock.get(), "foo"));
EXPECT_TRUE(mock->ReceiveTimedOut());
mock->AddReceive("foo");
mock->AddReceiveFailure();
- EXPECT_FALSE(ReceiveString(mock, "foobar"));
+ EXPECT_FALSE(ReceiveString(mock.get(), "foobar"));
- EXPECT_NONFATAL_FAILURE(ReceiveString(mock, "foo"), "no message was ready");
+ EXPECT_NONFATAL_FAILURE(ReceiveString(mock.get(), "foo"), "no message was ready");
mock->ExpectSend("foo");
- EXPECT_NONFATAL_FAILURE(ReceiveString(mock, "foo"), "called out-of-order");
- EXPECT_TRUE(SendString(mock, "foo"));
+ EXPECT_NONFATAL_FAILURE(ReceiveString(mock.get(), "foo"), "called out-of-order");
+ EXPECT_TRUE(SendString(mock.get(), "foo"));
char c;
mock->AddReceive("foo");
EXPECT_NONFATAL_FAILURE(mock->Receive(&c, 1, 0), "not enough bytes (1) for foo");
- EXPECT_TRUE(ReceiveString(mock, "foo"));
+ EXPECT_TRUE(ReceiveString(mock.get(), "foo"));
mock->AddReceive("foo");
- EXPECT_NONFATAL_FAILURE(delete mock, "1 event(s) were not handled");
+ EXPECT_NONFATAL_FAILURE(mock.reset(), "1 event(s) were not handled");
}
TEST(SocketMockTest, TestAcceptSuccess) {
@@ -372,14 +372,14 @@
}
TEST(SocketMockTest, TestAcceptFailure) {
- SocketMock* mock = new SocketMock;
+ std::unique_ptr<SocketMock> mock(new SocketMock);
EXPECT_NONFATAL_FAILURE(mock->Accept(), "no socket was ready");
mock->ExpectSend("foo");
EXPECT_NONFATAL_FAILURE(mock->Accept(), "called out-of-order");
- EXPECT_TRUE(SendString(mock, "foo"));
+ EXPECT_TRUE(SendString(mock.get(), "foo"));
mock->AddAccept(nullptr);
- EXPECT_NONFATAL_FAILURE(delete mock, "1 event(s) were not handled");
+ EXPECT_NONFATAL_FAILURE(mock.reset(), "1 event(s) were not handled");
}
diff --git a/fastboot/storage.cpp b/fastboot/storage.cpp
new file mode 100644
index 0000000..d6e00cf
--- /dev/null
+++ b/fastboot/storage.cpp
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+
+#include <fstream>
+
+#include "storage.h"
+#include "util.h"
+
+ConnectedDevicesStorage::ConnectedDevicesStorage() {
+ const std::string home_path = GetHomeDirPath();
+ if (home_path.empty()) {
+ return;
+ }
+
+ const std::string home_fastboot_path = home_path + kPathSeparator + ".fastboot";
+
+ if (!EnsureDirectoryExists(home_fastboot_path)) {
+ LOG(FATAL) << "Cannot create directory: " << home_fastboot_path;
+ }
+
+ // We're using a separate file for locking because the Windows LockFileEx does not
+ // permit opening a file stream for the locked file, even within the same process. So,
+ // we have to use fd or handle API to manipulate the storage files, which makes it
+ // nearly impossible to fully rewrite a file content without having to recreate it.
+ // Unfortunately, this is not an option during holding a lock.
+ devices_path_ = home_fastboot_path + kPathSeparator + "devices";
+ devices_lock_path_ = home_fastboot_path + kPathSeparator + "devices.lock";
+}
+
+void ConnectedDevicesStorage::WriteDevices(const FileLock&, const std::set<std::string>& devices) {
+ std::ofstream devices_stream(devices_path_);
+ std::copy(devices.begin(), devices.end(),
+ std::ostream_iterator<std::string>(devices_stream, "\n"));
+}
+
+std::set<std::string> ConnectedDevicesStorage::ReadDevices(const FileLock&) {
+ std::ifstream devices_stream(devices_path_);
+ std::istream_iterator<std::string> start(devices_stream), end;
+ std::set<std::string> devices(start, end);
+ return devices;
+}
+
+void ConnectedDevicesStorage::Clear(const FileLock&) {
+ if (!android::base::RemoveFileIfExists(devices_path_)) {
+ LOG(FATAL) << "Failed to clear connected device list: " << devices_path_;
+ }
+}
+
+FileLock ConnectedDevicesStorage::Lock() const {
+ return FileLock(devices_lock_path_);
+}
\ No newline at end of file
diff --git a/fastboot/storage.h b/fastboot/storage.h
new file mode 100644
index 0000000..0cc3d86
--- /dev/null
+++ b/fastboot/storage.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <set>
+#include <string>
+
+#include "filesystem.h"
+
+class ConnectedDevicesStorage {
+ public:
+ ConnectedDevicesStorage();
+ void WriteDevices(const FileLock&, const std::set<std::string>& devices);
+ std::set<std::string> ReadDevices(const FileLock&);
+ void Clear(const FileLock&);
+
+ FileLock Lock() const;
+
+ private:
+ std::string devices_path_;
+ std::string devices_lock_path_;
+};
\ No newline at end of file
diff --git a/fastboot/super_flash_helper.cpp b/fastboot/super_flash_helper.cpp
new file mode 100644
index 0000000..b617ce8
--- /dev/null
+++ b/fastboot/super_flash_helper.cpp
@@ -0,0 +1,125 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "super_flash_helper.h"
+
+#include <android-base/logging.h>
+
+#include "util.h"
+
+using android::base::borrowed_fd;
+using android::base::unique_fd;
+using android::fs_mgr::SuperImageExtent;
+
+SuperFlashHelper::SuperFlashHelper(const ImageSource& source) : source_(source) {}
+
+bool SuperFlashHelper::Open(borrowed_fd fd) {
+ if (!builder_.Open(fd)) {
+ LOG(VERBOSE) << "device does not support optimized super flashing";
+ return false;
+ }
+
+ base_metadata_ = builder_.Export();
+ return !!base_metadata_;
+}
+
+bool SuperFlashHelper::IncludeInSuper(const std::string& partition) {
+ return should_flash_in_userspace(*base_metadata_.get(), partition);
+}
+
+bool SuperFlashHelper::AddPartition(const std::string& partition, const std::string& image_name,
+ bool optional) {
+ if (!IncludeInSuper(partition)) {
+ return true;
+ }
+ auto iter = image_fds_.find(image_name);
+ if (iter == image_fds_.end()) {
+ unique_fd fd = source_.OpenFile(image_name);
+ if (fd < 0) {
+ if (!optional) {
+ LOG(VERBOSE) << "could not find partition image: " << image_name;
+ return false;
+ }
+ return true;
+ }
+ if (is_sparse_file(fd)) {
+ LOG(VERBOSE) << "cannot optimize dynamic partitions with sparse images";
+ return false;
+ }
+ iter = image_fds_.emplace(image_name, std::move(fd)).first;
+ }
+
+ if (!builder_.AddPartition(partition, image_name, get_file_size(iter->second))) {
+ return false;
+ }
+
+ will_flash_.emplace(partition);
+ return true;
+}
+
+SparsePtr SuperFlashHelper::GetSparseLayout() {
+ // Cache extents since the sparse ptr depends on data pointers.
+ if (extents_.empty()) {
+ extents_ = builder_.GetImageLayout();
+ if (extents_.empty()) {
+ LOG(VERBOSE) << "device does not support optimized super flashing";
+ return {nullptr, nullptr};
+ }
+ }
+
+ unsigned int block_size = base_metadata_->geometry.logical_block_size;
+ int64_t flashed_size = extents_.back().offset + extents_.back().size;
+ SparsePtr s(sparse_file_new(block_size, flashed_size), sparse_file_destroy);
+
+ for (const auto& extent : extents_) {
+ if (extent.offset / block_size > UINT_MAX) {
+ // Super image is too big to send via sparse files (>8TB).
+ LOG(VERBOSE) << "super image is too big to flash";
+ return {nullptr, nullptr};
+ }
+ unsigned int block = extent.offset / block_size;
+
+ int rv = 0;
+ switch (extent.type) {
+ case SuperImageExtent::Type::DONTCARE:
+ break;
+ case SuperImageExtent::Type::ZERO:
+ rv = sparse_file_add_fill(s.get(), 0, extent.size, block);
+ break;
+ case SuperImageExtent::Type::DATA:
+ rv = sparse_file_add_data(s.get(), extent.blob->data(), extent.size, block);
+ break;
+ case SuperImageExtent::Type::PARTITION: {
+ auto iter = image_fds_.find(extent.image_name);
+ if (iter == image_fds_.end()) {
+ LOG(FATAL) << "image added but not found: " << extent.image_name;
+ return {nullptr, nullptr};
+ }
+ rv = sparse_file_add_fd(s.get(), iter->second.get(), extent.image_offset,
+ extent.size, block);
+ break;
+ }
+ default:
+ LOG(VERBOSE) << "unrecognized extent type in super image layout";
+ return {nullptr, nullptr};
+ }
+ if (rv) {
+ LOG(VERBOSE) << "sparse failure building super image layout";
+ return {nullptr, nullptr};
+ }
+ }
+ return s;
+}
diff --git a/fastboot/super_flash_helper.h b/fastboot/super_flash_helper.h
new file mode 100644
index 0000000..29c15d0
--- /dev/null
+++ b/fastboot/super_flash_helper.h
@@ -0,0 +1,56 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#pragma once
+
+#include <memory>
+#include <string>
+#include <unordered_map>
+#include <unordered_set>
+
+#include <android-base/unique_fd.h>
+#include <liblp/liblp.h>
+#include <liblp/super_layout_builder.h>
+
+#include "util.h"
+
+class SuperFlashHelper final {
+ public:
+ explicit SuperFlashHelper(const ImageSource& source);
+
+ bool Open(android::base::borrowed_fd fd);
+ bool IncludeInSuper(const std::string& partition);
+ bool AddPartition(const std::string& partition, const std::string& image_name, bool optional);
+
+ // Note: the SparsePtr if non-null should not outlive SuperFlashHelper, since
+ // it depends on open fds and data pointers.
+ SparsePtr GetSparseLayout();
+
+ bool WillFlash(const std::string& partition) const {
+ return will_flash_.find(partition) != will_flash_.end();
+ }
+
+ private:
+ const ImageSource& source_;
+ android::fs_mgr::SuperLayoutBuilder builder_;
+ std::unique_ptr<android::fs_mgr::LpMetadata> base_metadata_;
+ std::vector<android::fs_mgr::SuperImageExtent> extents_;
+
+ // Cache open image fds. This keeps them alive while we flash the sparse
+ // file.
+ std::unordered_map<std::string, android::base::unique_fd> image_fds_;
+ std::unordered_set<std::string> will_flash_;
+};
diff --git a/fastboot/super_flash_helper_test.cpp b/fastboot/super_flash_helper_test.cpp
new file mode 100644
index 0000000..82b8aa5
--- /dev/null
+++ b/fastboot/super_flash_helper_test.cpp
@@ -0,0 +1,88 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "super_flash_helper.h"
+
+#include <unistd.h>
+
+#include <android-base/file.h>
+#include <android-base/unique_fd.h>
+#include <gtest/gtest.h>
+#include <sparse/sparse.h>
+
+using android::base::unique_fd;
+
+unique_fd OpenTestFile(const std::string& file, int flags) {
+ std::string path = "testdata/" + file;
+
+ unique_fd fd(open(path.c_str(), flags));
+ if (fd >= 0) {
+ return fd;
+ }
+
+ path = android::base::GetExecutableDirectory() + "/" + path;
+ return unique_fd{open(path.c_str(), flags)};
+}
+
+class TestImageSource final : public ImageSource {
+ public:
+ bool ReadFile(const std::string&, std::vector<char>*) const override {
+ // Not used here.
+ return false;
+ }
+ unique_fd OpenFile(const std::string& name) const override {
+ return OpenTestFile(name, O_RDONLY | O_CLOEXEC);
+ }
+};
+
+TEST(SuperFlashHelper, ImageEquality) {
+ auto super_empty_fd = OpenTestFile("super_empty.img", O_RDONLY);
+ ASSERT_GE(super_empty_fd, 0);
+
+ TestImageSource source;
+ SuperFlashHelper helper(source);
+ ASSERT_TRUE(helper.Open(super_empty_fd));
+ ASSERT_TRUE(helper.AddPartition("system_a", "system.img", false));
+
+ auto sparse_file = helper.GetSparseLayout();
+ ASSERT_NE(sparse_file, nullptr);
+
+ TemporaryFile fb_super;
+ ASSERT_GE(fb_super.fd, 0);
+ ASSERT_EQ(sparse_file_write(sparse_file.get(), fb_super.fd, false, false, false), 0);
+
+ auto real_super_fd = OpenTestFile("super.img", O_RDONLY);
+ ASSERT_GE(real_super_fd, 0);
+
+ std::string expected(get_file_size(real_super_fd), '\0');
+ ASSERT_FALSE(expected.empty());
+ ASSERT_TRUE(android::base::ReadFully(real_super_fd, expected.data(), expected.size()));
+
+ std::string actual(get_file_size(fb_super.fd), '\0');
+ ASSERT_FALSE(actual.empty());
+ ASSERT_EQ(lseek(fb_super.fd, 0, SEEK_SET), 0);
+ ASSERT_TRUE(android::base::ReadFully(fb_super.fd, actual.data(), actual.size()));
+
+ // The helper doesn't add any extra zeroes to the image, whereas lpmake does, to
+ // pad to the entire super size.
+ ASSERT_LE(actual.size(), expected.size());
+ for (size_t i = 0; i < actual.size(); i++) {
+ ASSERT_EQ(actual[i], expected[i]) << "byte mismatch at position " << i;
+ }
+ for (size_t i = actual.size(); i < expected.size(); i++) {
+ ASSERT_EQ(expected[i], 0) << "byte mismatch at position " << i;
+ }
+}
diff --git a/fastboot/task.cpp b/fastboot/task.cpp
new file mode 100644
index 0000000..3f33c76
--- /dev/null
+++ b/fastboot/task.cpp
@@ -0,0 +1,46 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+#include "task.h"
+
+#include "fastboot.h"
+#include "util.h"
+
+FlashTask::FlashTask(const std::string& _slot) : slot_(_slot){};
+FlashTask::FlashTask(const std::string& _slot, bool _force_flash)
+ : slot_(_slot), force_flash_(_force_flash) {}
+FlashTask::FlashTask(const std::string& _slot, bool _force_flash, const std::string& _pname)
+ : pname_(_pname), fname_(find_item(_pname)), slot_(_slot), force_flash_(_force_flash) {
+ if (fname_.empty()) die("cannot determine image filename for '%s'", pname_.c_str());
+}
+FlashTask::FlashTask(const std::string& _slot, bool _force_flash, const std::string& _pname,
+ const std::string& _fname)
+ : pname_(_pname), fname_(_fname), slot_(_slot), force_flash_(_force_flash) {}
+
+void FlashTask::Run() {
+ auto flash = [&](const std::string& partition) {
+ if (should_flash_in_userspace(partition) && !is_userspace_fastboot() && !force_flash_) {
+ die("The partition you are trying to flash is dynamic, and "
+ "should be flashed via fastbootd. Please run:\n"
+ "\n"
+ " fastboot reboot fastboot\n"
+ "\n"
+ "And try again. If you are intentionally trying to "
+ "overwrite a fixed partition, use --force.");
+ }
+ do_flash(partition.c_str(), fname_.c_str());
+ };
+ do_for_partitions(pname_, slot_, flash, true);
+}
diff --git a/fastboot/task.h b/fastboot/task.h
new file mode 100644
index 0000000..216e658
--- /dev/null
+++ b/fastboot/task.h
@@ -0,0 +1,48 @@
+//
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+#pragma once
+
+#include <sstream>
+#include <string>
+
+#include "fastboot.h"
+#include "fastboot_driver.h"
+#include "util.h"
+
+class Task {
+ public:
+ Task() = default;
+ virtual void Run() = 0;
+ virtual ~Task() = default;
+};
+
+class FlashTask : public Task {
+ public:
+ FlashTask(const std::string& _slot);
+ FlashTask(const std::string& _slot, bool _force_flash);
+ FlashTask(const std::string& _slot, bool _force_flash, const std::string& _pname);
+ FlashTask(const std::string& _slot, bool _force_flash, const std::string& _pname,
+ const std::string& _fname);
+
+ void Run() override;
+ ~FlashTask() {}
+
+ private:
+ const std::string pname_;
+ const std::string fname_;
+ const std::string slot_;
+ bool force_flash_ = false;
+};
diff --git a/fastboot/testdata/make_super_images.sh b/fastboot/testdata/make_super_images.sh
new file mode 100644
index 0000000..71c54ee
--- /dev/null
+++ b/fastboot/testdata/make_super_images.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -e
+set -x
+
+lpmake \
+ --device-size=auto \
+ --metadata-size=4096 \
+ --metadata-slots=3 \
+ --partition=system_a:readonly:0 \
+ --alignment=16384 \
+ --output=super_empty.img
+
+lpmake \
+ --device-size=auto \
+ --metadata-size=4096 \
+ --metadata-slots=3 \
+ --partition=system_a:readonly:0 \
+ --alignment=16384 \
+ --output=super.img \
+ --image=system_a=system.img
diff --git a/fastboot/testdata/super.img b/fastboot/testdata/super.img
new file mode 100644
index 0000000..be13d36
--- /dev/null
+++ b/fastboot/testdata/super.img
Binary files differ
diff --git a/fastboot/testdata/super_empty.img b/fastboot/testdata/super_empty.img
new file mode 100644
index 0000000..4b25869
--- /dev/null
+++ b/fastboot/testdata/super_empty.img
Binary files differ
diff --git a/fastboot/testdata/system.img b/fastboot/testdata/system.img
new file mode 100644
index 0000000..b360610
--- /dev/null
+++ b/fastboot/testdata/system.img
Binary files differ
diff --git a/fastboot/usb.h b/fastboot/usb.h
index e5f56e2..69581ab 100644
--- a/fastboot/usb.h
+++ b/fastboot/usb.h
@@ -28,6 +28,8 @@
#pragma once
+#include <functional>
+
#include "transport.h"
struct usb_ifc_info {
@@ -61,7 +63,7 @@
virtual int Reset() = 0;
};
-typedef int (*ifc_match_func)(usb_ifc_info *ifc);
+typedef std::function<int(usb_ifc_info*)> ifc_match_func;
// 0 is non blocking
UsbTransport* usb_open(ifc_match_func callback, uint32_t timeout_ms = 0);
diff --git a/fastboot/usb_osx.cpp b/fastboot/usb_osx.cpp
index 610eebf..a4b9307 100644
--- a/fastboot/usb_osx.cpp
+++ b/fastboot/usb_osx.cpp
@@ -191,16 +191,30 @@
// Iterate over the endpoints for this interface and see if there
// are any that do bulk in/out.
- for (UInt8 endpoint = 1; endpoint <= interfaceNumEndpoints; endpoint++) {
+ for (UInt8 endpoint = 1; endpoint <= interfaceNumEndpoints; ++endpoint) {
UInt8 transferType;
- UInt16 maxPacketSize;
+ UInt16 endPointMaxPacketSize = 0;
UInt8 interval;
+
+ // Attempt to retrieve the 'true' packet-size from supported interface.
+ kr = (*interface)
+ ->GetEndpointProperties(interface, 0, endpoint,
+ kUSBOut,
+ &transferType,
+ &endPointMaxPacketSize, &interval);
+ if (kr == kIOReturnSuccess && !endPointMaxPacketSize) {
+ ERR("GetEndpointProperties() returned zero len packet-size");
+ }
+
+ UInt16 pipePropMaxPacketSize;
UInt8 number;
UInt8 direction;
+ // Proceed with extracting the transfer direction, so we can fill in the
+ // appropriate fields (bulkIn or bulkOut).
kr = (*interface)->GetPipeProperties(interface, endpoint,
&direction,
- &number, &transferType, &maxPacketSize, &interval);
+ &number, &transferType, &pipePropMaxPacketSize, &interval);
if (kr == 0) {
if (transferType != kUSBBulk) {
@@ -216,7 +230,8 @@
}
if (handle->info.ifc_protocol == 0x01) {
- handle->zero_mask = maxPacketSize - 1;
+ handle->zero_mask = (endPointMaxPacketSize == 0) ?
+ pipePropMaxPacketSize - 1 : endPointMaxPacketSize - 1;
}
} else {
ERR("could not get pipe properties for endpoint %u (%08x)\n", endpoint, kr);
diff --git a/fastboot/util.cpp b/fastboot/util.cpp
index 900d6ea..ded54a5 100644
--- a/fastboot/util.cpp
+++ b/fastboot/util.cpp
@@ -30,11 +30,13 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-
+#include <sys/stat.h>
#include <sys/time.h>
#include "util.h"
+using android::base::borrowed_fd;
+
static bool g_verbose = false;
double now() {
@@ -73,3 +75,34 @@
}
fprintf(stderr, "\n");
}
+
+bool should_flash_in_userspace(const android::fs_mgr::LpMetadata& metadata,
+ const std::string& partition_name) {
+ for (const auto& partition : metadata.partitions) {
+ auto candidate = android::fs_mgr::GetPartitionName(partition);
+ if (partition.attributes & LP_PARTITION_ATTR_SLOT_SUFFIXED) {
+ // On retrofit devices, we don't know if, or whether, the A or B
+ // slot has been flashed for dynamic partitions. Instead we add
+ // both names to the list as a conservative guess.
+ if (candidate + "_a" == partition_name || candidate + "_b" == partition_name) {
+ return true;
+ }
+ } else if (candidate == partition_name) {
+ return true;
+ }
+ }
+ return false;
+}
+
+bool is_sparse_file(borrowed_fd fd) {
+ SparsePtr s(sparse_file_import(fd.get(), false, false), sparse_file_destroy);
+ return !!s;
+}
+
+int64_t get_file_size(borrowed_fd fd) {
+ struct stat sb;
+ if (fstat(fd.get(), &sb) == -1) {
+ die("could not get file size");
+ }
+ return sb.st_size;
+}
diff --git a/fastboot/util.h b/fastboot/util.h
index c719df2..bc01473 100644
--- a/fastboot/util.h
+++ b/fastboot/util.h
@@ -4,8 +4,24 @@
#include <stdlib.h>
#include <string>
+#include <vector>
+#include <android-base/logging.h>
+#include <android-base/result.h>
+#include <android-base/unique_fd.h>
#include <bootimg.h>
+#include <liblp/liblp.h>
+#include <sparse/sparse.h>
+
+using android::base::ErrnoError;
+using android::base::Error;
+using android::base::Result;
+using android::base::ResultError;
+
+#define EXPECT(result) \
+ (result.ok() ? result.value() : (LOG(FATAL) << result.error().message(), result.value()))
+
+using SparsePtr = std::unique_ptr<sparse_file, decltype(&sparse_file_destroy)>;
/* util stuff */
double now();
@@ -19,3 +35,15 @@
void verbose(const char* fmt, ...) __attribute__((__format__(__printf__, 1, 2)));
void die(const std::string& str) __attribute__((__noreturn__));
+
+bool should_flash_in_userspace(const android::fs_mgr::LpMetadata& metadata,
+ const std::string& partition_name);
+bool is_sparse_file(android::base::borrowed_fd fd);
+int64_t get_file_size(android::base::borrowed_fd fd);
+
+class ImageSource {
+ public:
+ virtual ~ImageSource(){};
+ virtual bool ReadFile(const std::string& name, std::vector<char>* out) const = 0;
+ virtual android::base::unique_fd OpenFile(const std::string& name) const = 0;
+};
diff --git a/fs_mgr/Android.bp b/fs_mgr/Android.bp
index bebf19e..dd61272 100644
--- a/fs_mgr/Android.bp
+++ b/fs_mgr/Android.bp
@@ -251,41 +251,8 @@
},
symlinks: [
"clean_scratch_files",
- ],
-}
-
-cc_binary {
- name: "set-verity-state",
- srcs: ["set-verity-state.cpp"],
- shared_libs: [
- "libbase",
- "libbinder",
- "libcrypto",
- "libcrypto_utils",
- "libfs_mgr_binder",
- "libutils",
- ],
- static_libs: [
- "libavb_user",
- ],
- header_libs: [
- "libcutils_headers",
- ],
-
- cflags: ["-Werror"],
- cppflags: [
- "-DALLOW_DISABLE_VERITY=0",
- ],
- product_variables: {
- debuggable: {
- cppflags: [
- "-UALLOW_DISABLE_VERITY",
- "-DALLOW_DISABLE_VERITY=1",
- ],
- },
- },
- symlinks: [
- "enable-verity",
"disable-verity",
+ "enable-verity",
+ "set-verity-state",
],
}
diff --git a/fs_mgr/OWNERS b/fs_mgr/OWNERS
index 6f1059b..bd46489 100644
--- a/fs_mgr/OWNERS
+++ b/fs_mgr/OWNERS
@@ -1,4 +1,4 @@
-# Bug component: 30545
+# Bug component: 325626
bowgotsai@google.com
dvander@google.com
elsk@google.com
diff --git a/fs_mgr/TEST_MAPPING b/fs_mgr/TEST_MAPPING
index 432aa4f..b6710d5 100644
--- a/fs_mgr/TEST_MAPPING
+++ b/fs_mgr/TEST_MAPPING
@@ -22,10 +22,33 @@
"name": "vts_libsnapshot_test"
},
{
+ "name": "vab_legacy_tests"
+ },
+ {
+ "name": "vabc_legacy_tests"
+ },
+ {
"name": "libsnapshot_fuzzer_test"
},
{
"name": "cow_api_test"
}
+ ],
+ "kernel-presubmit": [
+ {
+ "name": "vts_libdm_test"
+ },
+ {
+ "name": "vts_core_liblp_test"
+ },
+ {
+ "name": "vts_libsnapshot_test"
+ },
+ {
+ "name": "vab_legacy_tests"
+ },
+ {
+ "name": "vabc_legacy_tests"
+ }
]
}
diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index 27137a2..742cdfa 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -1176,6 +1176,10 @@
return false;
}
+ // dm-bow will not load if size is not a multiple of 4096
+ // rounding down does not hurt, since ext4 will only use full blocks
+ size &= ~7;
+
android::dm::DmTable table;
auto bowTarget =
std::make_unique<android::dm::DmTargetBow>(0, size, entry->blk_device);
@@ -2191,36 +2195,22 @@
std::vector<std::string> tokens = android::base::Split(target.data, " \t\r\n");
if (tokens[0] != "0" && tokens[0] != "1") {
LOG(WARNING) << "Unrecognized device mapper version in " << target.data;
- return {};
}
// Hashtree algorithm & root digest are the 8th & 9th token in the output.
- return HashtreeInfo{.algorithm = android::base::Trim(tokens[7]),
- .root_digest = android::base::Trim(tokens[8])};
+ return HashtreeInfo{
+ .algorithm = android::base::Trim(tokens[7]),
+ .root_digest = android::base::Trim(tokens[8]),
+ .check_at_most_once = target.data.find("check_at_most_once") != std::string::npos};
}
return {};
}
bool fs_mgr_verity_is_check_at_most_once(const android::fs_mgr::FstabEntry& entry) {
- if (!entry.fs_mgr_flags.avb) {
- return false;
- }
-
- DeviceMapper& dm = DeviceMapper::Instance();
- std::string device = GetVerityDeviceName(entry);
-
- std::vector<DeviceMapper::TargetInfo> table;
- if (dm.GetState(device) == DmDeviceState::INVALID || !dm.GetTableInfo(device, &table)) {
- return false;
- }
- for (const auto& target : table) {
- if (strcmp(target.spec.target_type, "verity") == 0 &&
- target.data.find("check_at_most_once") != std::string::npos) {
- return true;
- }
- }
- return false;
+ auto hashtree_info = fs_mgr_get_hashtree_info(entry);
+ if (!hashtree_info) return false;
+ return hashtree_info->check_at_most_once;
}
std::string fs_mgr_get_super_partition_name(int slot) {
diff --git a/fs_mgr/fs_mgr_fstab.cpp b/fs_mgr/fs_mgr_fstab.cpp
index 7189a71..598a3d2 100644
--- a/fs_mgr/fs_mgr_fstab.cpp
+++ b/fs_mgr/fs_mgr_fstab.cpp
@@ -304,19 +304,16 @@
if (!ParseByteCount(arg, &entry->zram_backingdev_size)) {
LWARNING << "Warning: zram_backingdev_size= flag malformed: " << arg;
}
- } else if (StartsWith(flag, "zoned_device=")) {
- std::string zoned;
- if (ReadFileToString("/sys/class/block/" + arg + "/queue/zoned", &zoned) &&
- android::base::StartsWith(zoned, "host-managed")) {
- entry->zoned_device = "/dev/block/" + arg;
+ } else if (flag == "zoned_device") {
+ if (access("/dev/block/by-name/zoned_device", F_OK) == 0) {
+ entry->zoned_device = "/dev/block/by-name/zoned_device";
// atgc in f2fs does not support a zoned device
auto options = Split(entry->fs_options, ",");
options.erase(std::remove(options.begin(), options.end(), "atgc"), options.end());
entry->fs_options = android::base::Join(options, ",");
- LINFO << "Removed ATGC in fs_options as " << entry->fs_options;
- } else {
- LWARNING << "Warning: cannot find the zoned device: " << arg;
+ LINFO << "Removed ATGC in fs_options as " << entry->fs_options
+ << " for zoned device=" << entry->zoned_device;
}
} else {
LWARNING << "Warning: unknown flag: " << flag;
@@ -488,13 +485,21 @@
return boot_devices;
}
-template <typename Pred>
-std::vector<FstabEntry*> GetEntriesByPred(Fstab* fstab, const Pred& pred) {
+// Helper class that maps Fstab* -> FstabEntry; const Fstab* -> const FstabEntry.
+template <typename FstabPtr>
+struct FstabPtrEntry {
+ using is_const_fstab = std::is_const<std::remove_pointer_t<FstabPtr>>;
+ using type = std::conditional_t<is_const_fstab::value, const FstabEntry, FstabEntry>;
+};
+
+template <typename FstabPtr, typename FstabPtrEntryType = typename FstabPtrEntry<FstabPtr>::type,
+ typename Pred>
+std::vector<FstabPtrEntryType*> GetEntriesByPred(FstabPtr fstab, const Pred& pred) {
if (fstab == nullptr) {
return {};
}
- std::vector<FstabEntry*> entries;
- for (auto&& entry : *fstab) {
+ std::vector<FstabPtrEntryType*> entries;
+ for (FstabPtrEntryType& entry : *fstab) {
if (pred(entry)) {
entries.push_back(&entry);
}
@@ -835,25 +840,27 @@
return !fstab->empty();
}
-FstabEntry* GetEntryForMountPoint(Fstab* fstab, const std::string& path) {
- if (fstab == nullptr) {
- return nullptr;
- }
-
- for (auto& entry : *fstab) {
- if (entry.mount_point == path) {
- return &entry;
- }
- }
-
- return nullptr;
-}
-
std::vector<FstabEntry*> GetEntriesForMountPoint(Fstab* fstab, const std::string& path) {
return GetEntriesByPred(fstab,
[&path](const FstabEntry& entry) { return entry.mount_point == path; });
}
+std::vector<const FstabEntry*> GetEntriesForMountPoint(const Fstab* fstab,
+ const std::string& path) {
+ return GetEntriesByPred(fstab,
+ [&path](const FstabEntry& entry) { return entry.mount_point == path; });
+}
+
+FstabEntry* GetEntryForMountPoint(Fstab* fstab, const std::string& path) {
+ std::vector<FstabEntry*> entries = GetEntriesForMountPoint(fstab, path);
+ return entries.empty() ? nullptr : entries.front();
+}
+
+const FstabEntry* GetEntryForMountPoint(const Fstab* fstab, const std::string& path) {
+ std::vector<const FstabEntry*> entries = GetEntriesForMountPoint(fstab, path);
+ return entries.empty() ? nullptr : entries.front();
+}
+
std::set<std::string> GetBootDevices() {
// First check bootconfig, then kernel commandline, then the device tree
std::string dt_file_name = get_android_dt_dir() + "/boot_devices";
diff --git a/fs_mgr/fs_mgr_overlayfs.cpp b/fs_mgr/fs_mgr_overlayfs.cpp
index ef426dc..6349c20 100644
--- a/fs_mgr/fs_mgr_overlayfs.cpp
+++ b/fs_mgr/fs_mgr_overlayfs.cpp
@@ -69,6 +69,7 @@
namespace {
constexpr char kDataScratchSizeMbProp[] = "fs_mgr.overlayfs.data_scratch_size_mb";
+constexpr char kPreferCacheBackingStorageProp[] = "fs_mgr.overlayfs.prefer_cache_backing_storage";
bool fs_mgr_access(const std::string& path) {
return access(path.c_str(), F_OK) == 0;
@@ -101,6 +102,10 @@
const auto kScratchMountPoint = "/mnt/scratch"s;
const auto kCacheMountPoint = "/cache"s;
+bool IsABDevice() {
+ return !android::base::GetProperty("ro.boot.slot_suffix", "").empty();
+}
+
std::vector<const std::string> OverlayMountPoints() {
// Never fallback to legacy cache mount point if within a DSU system,
// because running a DSU system implies the device supports dynamic
@@ -108,6 +113,14 @@
if (fs_mgr_is_dsu_running()) {
return {kScratchMountPoint};
}
+
+ // For non-A/B devices prefer cache backing storage if
+ // kPreferCacheBackingStorageProp property set.
+ if (!IsABDevice() && android::base::GetBoolProperty(kPreferCacheBackingStorageProp, false) &&
+ android::base::GetIntProperty("ro.vendor.api_level", -1) < __ANDROID_API_T__) {
+ return {kCacheMountPoint, kScratchMountPoint};
+ }
+
return {kScratchMountPoint, kCacheMountPoint};
}
@@ -318,8 +331,14 @@
return major > 5 || (major == 5 && minor >= 15);
}
+const std::string fs_mgr_mount_point(const std::string& mount_point) {
+ if ("/"s != mount_point) return mount_point;
+ return "/system";
+}
+
// default options for mount_point, returns empty string for none available.
-std::string fs_mgr_get_overlayfs_options(const std::string& mount_point) {
+std::string fs_mgr_get_overlayfs_options(const FstabEntry& entry) {
+ const auto mount_point = fs_mgr_mount_point(entry.mount_point);
auto candidate = fs_mgr_get_overlayfs_candidate(mount_point);
if (candidate.empty()) return "";
auto ret = kLowerdirOption + mount_point + "," + kUpperdirOption + candidate + kUpperName +
@@ -330,14 +349,14 @@
if (KernelSupportsUserXattrs()) {
ret += ",userxattr";
}
+ for (const auto& flag : android::base::Split(entry.fs_options, ",")) {
+ if (android::base::StartsWith(flag, "context=")) {
+ ret += "," + flag;
+ }
+ }
return ret;
}
-const std::string fs_mgr_mount_point(const std::string& mount_point) {
- if ("/"s != mount_point) return mount_point;
- return "/system";
-}
-
constexpr char kOverlayfsFileContext[] = "u:object_r:overlayfs_file:s0";
class AutoSetFsCreateCon final {
@@ -462,6 +481,28 @@
return true;
}
+OverlayfsTeardownResult TeardownDataScratch(IImageManager* images,
+ const std::string& partition_name, bool was_mounted) {
+ if (!images) {
+ return OverlayfsTeardownResult::Error;
+ }
+ if (!images->DisableImage(partition_name)) {
+ return OverlayfsTeardownResult::Error;
+ }
+ if (was_mounted) {
+ // If overlayfs was mounted, don't bother trying to unmap since
+ // it'll fail and create error spam.
+ return OverlayfsTeardownResult::Busy;
+ }
+ if (!images->UnmapImageIfExists(partition_name)) {
+ return OverlayfsTeardownResult::Busy;
+ }
+ if (!images->DeleteBackingImage(partition_name)) {
+ return OverlayfsTeardownResult::Busy;
+ }
+ return OverlayfsTeardownResult::Ok;
+}
+
OverlayfsTeardownResult fs_mgr_overlayfs_teardown_scratch(const std::string& overlay,
bool* change) {
// umount and delete kScratchMountPoint storage if we have logical partitions
@@ -484,24 +525,9 @@
auto images = IImageManager::Open("remount", 10s);
if (images && images->BackingImageExists(partition_name)) {
- if (!images->DisableImage(partition_name)) {
- return OverlayfsTeardownResult::Error;
- }
- if (was_mounted) {
- // If overlayfs was mounted, don't bother trying to unmap since
- // it'll fail and create error spam.
- return OverlayfsTeardownResult::Busy;
- }
- if (!images->UnmapImageIfExists(partition_name)) {
- return OverlayfsTeardownResult::Busy;
- }
- if (!images->DeleteBackingImage(partition_name)) {
- return OverlayfsTeardownResult::Busy;
- }
-
// No need to check super partition, if we knew we had a scratch device
// in /data.
- return OverlayfsTeardownResult::Ok;
+ return TeardownDataScratch(images.get(), partition_name, was_mounted);
}
auto slot_number = fs_mgr_overlayfs_slot_number();
@@ -689,8 +715,9 @@
return info;
}
-bool fs_mgr_overlayfs_mount(const std::string& mount_point) {
- auto options = fs_mgr_get_overlayfs_options(mount_point);
+bool fs_mgr_overlayfs_mount(const FstabEntry& entry) {
+ const auto mount_point = fs_mgr_mount_point(entry.mount_point);
+ const auto options = fs_mgr_get_overlayfs_options(entry);
if (options.empty()) return false;
auto retval = true;
@@ -1103,6 +1130,8 @@
}
if (!images->MapImageDevice(partition_name, 10s, scratch_device)) {
LERROR << "could not map scratch image";
+ // If we cannot use this image, then remove it.
+ TeardownDataScratch(images.get(), partition_name, false /* was_mounted */);
return false;
}
return true;
@@ -1133,7 +1162,10 @@
// Try ImageManager on /data first.
bool can_use_data = false;
if (FilesystemHasReliablePinning("/data", &can_use_data) && can_use_data) {
- return CreateScratchOnData(scratch_device, partition_exists);
+ if (CreateScratchOnData(scratch_device, partition_exists)) {
+ return true;
+ }
+ LOG(WARNING) << "Failed to allocate scratch on /data, fallback to use free space on super";
}
// If that fails, see if we can land on super.
if (CanUseSuperPartition(fstab)) {
@@ -1320,12 +1352,13 @@
scratch_can_be_mounted = false;
TryMountScratch();
}
- ret &= fs_mgr_overlayfs_mount(mount_point);
+ ret &= fs_mgr_overlayfs_mount(entry);
}
return ret;
}
-bool fs_mgr_overlayfs_setup(const char* mount_point, bool* want_reboot, bool just_disabled_verity) {
+bool fs_mgr_overlayfs_setup(const Fstab& fstab, const char* mount_point, bool* want_reboot,
+ bool just_disabled_verity) {
if (!OverlayfsSetupAllowed(/*verbose=*/true)) {
return false;
}
@@ -1335,12 +1368,6 @@
return false;
}
- Fstab fstab;
- if (!ReadDefaultFstab(&fstab)) {
- LOG(ERROR) << "Could not read fstab";
- return false;
- }
-
auto candidates = fs_mgr_overlayfs_candidate_list(fstab);
for (auto it = candidates.begin(); it != candidates.end();) {
if (mount_point &&
diff --git a/fs_mgr/fs_mgr_priv.h b/fs_mgr/fs_mgr_priv.h
index 46f54cc..46cdb62 100644
--- a/fs_mgr/fs_mgr_priv.h
+++ b/fs_mgr/fs_mgr_priv.h
@@ -33,7 +33,7 @@
*/
#define FS_MGR_CHECK(x) CHECK(x) << "in libfs_mgr "
-#define FS_MGR_TAG "[libfs_mgr]"
+#define FS_MGR_TAG "[libfs_mgr] "
// Logs a message to kernel
#define LINFO LOG(INFO) << FS_MGR_TAG
diff --git a/fs_mgr/fs_mgr_priv_overlayfs.h b/fs_mgr/fs_mgr_priv_overlayfs.h
index 45b954d..2033701 100644
--- a/fs_mgr/fs_mgr_priv_overlayfs.h
+++ b/fs_mgr/fs_mgr_priv_overlayfs.h
@@ -29,8 +29,8 @@
//
// If |want_reboot| is non-null, and a reboot is needed to apply overlays, then
// it will be true on return. The caller is responsible for initializing it.
-bool fs_mgr_overlayfs_setup(const char* mount_point = nullptr, bool* want_reboot = nullptr,
- bool just_disabled_verity = true);
+bool fs_mgr_overlayfs_setup(const android::fs_mgr::Fstab& fstab, const char* mount_point = nullptr,
+ bool* want_reboot = nullptr, bool just_disabled_verity = true);
enum class OverlayfsTeardownResult {
Ok,
diff --git a/fs_mgr/fs_mgr_remount.cpp b/fs_mgr/fs_mgr_remount.cpp
index 2edaaad..5a9f391 100644
--- a/fs_mgr/fs_mgr_remount.cpp
+++ b/fs_mgr/fs_mgr_remount.cpp
@@ -22,6 +22,7 @@
#include <sys/vfs.h>
#include <unistd.h>
+#include <iostream>
#include <string>
#include <thread>
#include <utility>
@@ -33,6 +34,7 @@
#include <android-base/strings.h>
#include <android/os/IVold.h>
#include <binder/IServiceManager.h>
+#include <binder/ProcessState.h>
#include <bootloader_message/bootloader_message.h>
#include <cutils/android_reboot.h>
#include <fs_mgr_overlayfs.h>
@@ -50,17 +52,34 @@
namespace {
void usage() {
- LOG(INFO) << getprogname()
- << " [-h] [-R] [-T fstab_file] [partition]...\n"
- "\t-h --help\tthis help\n"
- "\t-R --reboot\tdisable verity & reboot to facilitate remount\n"
- "\t-T --fstab\tcustom fstab file location\n"
- "\tpartition\tspecific partition(s) (empty does all)\n"
- "\n"
- "Remount specified partition(s) read-write, by name or mount point.\n"
- "-R notwithstanding, verity must be disabled on partition(s).\n"
- "-R within a DSU guest system reboots into the DSU instead of the host system,\n"
- "this command would enable DSU (one-shot) if not already enabled.";
+ const std::string progname = getprogname();
+ if (progname == "disable-verity" || progname == "enable-verity" ||
+ progname == "set-verity-state") {
+ std::cout << "Usage: disable-verity\n"
+ << " enable-verity\n"
+ << " set-verity-state [0|1]\n"
+ << R"(
+Options:
+ -h --help this help
+ -R --reboot automatic reboot if needed for new settings to take effect
+ -v --verbose be noisy)"
+ << std::endl;
+ } else {
+ std::cout << "Usage: " << progname << " [-h] [-R] [-T fstab_file] [partition]...\n"
+ << R"(
+Options:
+ -h --help this help
+ -R --reboot disable verity & reboot to facilitate remount
+ -v --verbose be noisy
+ -T --fstab custom fstab file location
+ partition specific partition(s) (empty does all)
+
+Remount specified partition(s) read-write, by name or mount point.
+-R notwithstanding, verity must be disabled on partition(s).
+-R within a DSU guest system reboots into the DSU instead of the host system,
+this command would enable DSU (one-shot) if not already enabled.)"
+ << std::endl;
+ }
}
const std::string system_mount_point(const android::fs_mgr::FstabEntry& entry) {
@@ -79,23 +98,32 @@
return &(*it);
}
-auto verbose = false;
+class MyLogger {
+ public:
+ explicit MyLogger(bool verbose) : verbose_(verbose) {}
-void MyLogger(android::base::LogId id, android::base::LogSeverity severity, const char* tag,
- const char* file, unsigned int line, const char* message) {
- if (verbose || severity == android::base::ERROR || message[0] != '[') {
- fprintf(stderr, "%s\n", message);
+ void operator()(android::base::LogId id, android::base::LogSeverity severity, const char* tag,
+ const char* file, unsigned int line, const char* message) {
+ // By default, print ERROR logs and logs of this program (does not start with '[')
+ // Print [libfs_mgr] INFO logs only if -v is given.
+ if (verbose_ || severity >= android::base::ERROR || message[0] != '[') {
+ fprintf(stderr, "%s\n", message);
+ }
+ logd_(id, severity, tag, file, line, message);
}
- static auto logd = android::base::LogdLogger();
- logd(id, severity, tag, file, line, message);
-}
-[[noreturn]] void reboot() {
+ private:
+ android::base::LogdLogger logd_;
+ bool verbose_;
+};
+
+[[noreturn]] void reboot(const std::string& name) {
LOG(INFO) << "Rebooting device for new settings to take effect";
::sync();
- android::base::SetProperty(ANDROID_RB_PROPERTY, "reboot,remount");
+ android::base::SetProperty(ANDROID_RB_PROPERTY, "reboot," + name);
::sleep(60);
- ::exit(0); // SUCCESS
+ LOG(ERROR) << "Failed to reboot";
+ ::exit(1);
}
static android::sp<android::os::IVold> GetVold() {
@@ -111,21 +139,6 @@
}
}
-} // namespace
-
-enum RemountStatus {
- REMOUNT_SUCCESS = 0,
- UNKNOWN_PARTITION = 5,
- INVALID_PARTITION,
- VERITY_PARTITION,
- BAD_OVERLAY,
- NO_MOUNTS,
- REMOUNT_FAILED,
- BINDER_ERROR,
- CHECKPOINTING,
- GSID_ERROR,
-};
-
static bool ReadFstab(const char* fstab_file, android::fs_mgr::Fstab* fstab) {
if (fstab_file) {
return android::fs_mgr::ReadFstabFromFile(fstab_file, fstab);
@@ -146,10 +159,10 @@
return true;
}
-static RemountStatus VerifyCheckpointing() {
+bool VerifyCheckpointing() {
if (!android::base::GetBoolProperty("ro.virtual_ab.enabled", false) &&
!android::base::GetBoolProperty("ro.virtual_ab.retrofit", false)) {
- return REMOUNT_SUCCESS;
+ return true;
}
// Virtual A/B devices can use /data as backing storage; make sure we're
@@ -158,13 +171,15 @@
bool checkpointing = false;
if (!vold->isCheckpointing(&checkpointing).isOk()) {
LOG(ERROR) << "Could not determine checkpointing status.";
- return BINDER_ERROR;
+ return false;
}
if (checkpointing) {
LOG(ERROR) << "Cannot use remount when a checkpoint is in progress.";
- return CHECKPOINTING;
+ LOG(ERROR) << "To force end checkpointing, call 'vdc checkpoint commitChanges'";
+ LOG(ERROR) << "Warning: this can lead to data corruption if rolled back.";
+ return false;
}
- return REMOUNT_SUCCESS;
+ return true;
}
static bool IsRemountable(Fstab& candidates, const FstabEntry& entry) {
@@ -221,8 +236,7 @@
return partitions;
}
-static RemountStatus GetRemountList(const Fstab& fstab, const std::vector<std::string>& argv,
- Fstab* partitions) {
+bool GetRemountList(const Fstab& fstab, const std::vector<std::string>& argv, Fstab* partitions) {
auto candidates = fs_mgr_overlayfs_candidate_list(fstab);
for (const auto& arg : argv) {
@@ -234,7 +248,7 @@
auto it = FindPartition(fstab, partition);
if (it == fstab.end()) {
LOG(ERROR) << "Unknown partition " << arg;
- return UNKNOWN_PARTITION;
+ return false;
}
const FstabEntry* entry = &*it;
@@ -249,7 +263,7 @@
if (!fs_mgr_overlayfs_already_mounted(entry->mount_point) &&
!IsRemountable(candidates, *entry)) {
LOG(ERROR) << "Invalid partition " << arg;
- return INVALID_PARTITION;
+ return false;
}
if (GetEntryForMountPoint(partitions, entry->mount_point) != nullptr) {
continue;
@@ -257,7 +271,7 @@
partitions->emplace_back(*entry);
}
- return REMOUNT_SUCCESS;
+ return true;
}
struct RemountCheckResult {
@@ -268,43 +282,18 @@
bool remounted_anything = false;
};
-static RemountStatus CheckVerity(const FstabEntry& entry, RemountCheckResult* result) {
- if (!fs_mgr_is_verity_enabled(entry)) {
- return REMOUNT_SUCCESS;
- }
-
- std::unique_ptr<AvbOps, decltype(&::avb_ops_user_free)> ops(avb_ops_user_new(),
- &::avb_ops_user_free);
- if (!ops) {
- return VERITY_PARTITION;
- }
- if (!avb_user_verity_set(ops.get(), fs_mgr_get_slot_suffix().c_str(), false)) {
- return VERITY_PARTITION;
- }
- result->disabled_verity = true;
- result->reboot_later = true;
- return REMOUNT_SUCCESS;
-}
-
-static RemountStatus CheckVerityAndOverlayfs(Fstab* partitions, RemountCheckResult* result) {
- RemountStatus status = REMOUNT_SUCCESS;
+bool CheckOverlayfs(Fstab* partitions, RemountCheckResult* result) {
+ bool ok = true;
for (auto it = partitions->begin(); it != partitions->end();) {
auto& entry = *it;
const auto& mount_point = entry.mount_point;
- if (auto rv = CheckVerity(entry, result); rv != REMOUNT_SUCCESS) {
- LOG(ERROR) << "Skipping verified partition " << mount_point << " for remount";
- status = rv;
- it = partitions->erase(it);
- continue;
- }
-
if (fs_mgr_wants_overlayfs(&entry)) {
bool want_reboot = false;
bool force = result->disabled_verity;
- if (!fs_mgr_overlayfs_setup(mount_point.c_str(), &want_reboot, force)) {
+ if (!fs_mgr_overlayfs_setup(*partitions, mount_point.c_str(), &want_reboot, force)) {
LOG(ERROR) << "Overlayfs setup for " << mount_point << " failed, skipping";
- status = BAD_OVERLAY;
+ ok = false;
it = partitions->erase(it);
continue;
}
@@ -316,45 +305,48 @@
}
it++;
}
- return status;
+ return ok;
}
-static RemountStatus EnableDsuIfNeeded() {
+bool EnableDsuIfNeeded() {
auto gsid = android::gsi::GetGsiService();
if (!gsid) {
- return REMOUNT_SUCCESS;
+ return true;
}
auto dsu_running = false;
if (auto status = gsid->isGsiRunning(&dsu_running); !status.isOk()) {
LOG(ERROR) << "Failed to get DSU running state: " << status;
- return BINDER_ERROR;
+ return false;
}
auto dsu_enabled = false;
if (auto status = gsid->isGsiEnabled(&dsu_enabled); !status.isOk()) {
LOG(ERROR) << "Failed to get DSU enabled state: " << status;
- return BINDER_ERROR;
+ return false;
}
if (dsu_running && !dsu_enabled) {
std::string dsu_slot;
if (auto status = gsid->getActiveDsuSlot(&dsu_slot); !status.isOk()) {
LOG(ERROR) << "Failed to get active DSU slot: " << status;
- return BINDER_ERROR;
+ return false;
}
LOG(INFO) << "DSU is running but disabled, enable DSU so that we stay within the "
"DSU guest system after reboot";
int error = 0;
- if (auto status = gsid->enableGsi(/* oneShot = */ true, dsu_slot, &error);
- !status.isOk() || error != android::gsi::IGsiService::INSTALL_OK) {
- LOG(ERROR) << "Failed to enable DSU: " << status << ", error code: " << error;
- return !status.isOk() ? BINDER_ERROR : GSID_ERROR;
+ if (auto status = gsid->enableGsi(/* oneShot = */ true, dsu_slot, &error); !status.isOk()) {
+ LOG(ERROR) << "Failed to enable DSU: " << status;
+ return false;
+ }
+ if (error != android::gsi::IGsiService::INSTALL_OK) {
+ LOG(ERROR) << "Failed to enable DSU, error code: " << error;
+ return false;
}
LOG(INFO) << "Successfully enabled DSU (one-shot mode)";
}
- return REMOUNT_SUCCESS;
+ return true;
}
-static RemountStatus RemountPartition(Fstab& fstab, Fstab& mounts, FstabEntry& entry) {
+bool RemountPartition(Fstab& fstab, Fstab& mounts, FstabEntry& entry) {
// unlock the r/o key for the mount point device
if (entry.fs_mgr_flags.logical) {
fs_mgr_update_logical_partition(&entry);
@@ -381,7 +373,7 @@
}
if (!found) {
PLOG(INFO) << "skip unmounted partition dev:" << blk_device << " mnt:" << mount_point;
- return REMOUNT_SUCCESS;
+ return true;
}
if (blk_device == "/dev/root") {
auto from_fstab = GetEntryForMountPoint(&fstab, mount_point);
@@ -396,41 +388,133 @@
}
// Now remount!
- if (::mount(blk_device.c_str(), mount_point.c_str(), entry.fs_type.c_str(), MS_REMOUNT,
- nullptr) == 0) {
- return REMOUNT_SUCCESS;
- }
- if ((errno == EINVAL) && (mount_point != entry.mount_point)) {
- mount_point = entry.mount_point;
- if (::mount(blk_device.c_str(), mount_point.c_str(), entry.fs_type.c_str(), MS_REMOUNT,
+ for (const auto& mnt_point : {mount_point, entry.mount_point}) {
+ if (::mount(blk_device.c_str(), mnt_point.c_str(), entry.fs_type.c_str(), MS_REMOUNT,
nullptr) == 0) {
- return REMOUNT_SUCCESS;
+ LOG(INFO) << "Remounted " << mnt_point << " as RW";
+ return true;
+ }
+ if (errno != EINVAL || mount_point == entry.mount_point) {
+ break;
}
}
PLOG(ERROR) << "failed to remount partition dev:" << blk_device << " mnt:" << mount_point;
- return REMOUNT_FAILED;
+ return false;
}
-static int do_remount(Fstab& fstab, const std::vector<std::string>& partition_args,
- RemountCheckResult* check_result) {
+struct SetVerityStateResult {
+ bool success = false;
+ bool want_reboot = false;
+};
+
+SetVerityStateResult SetVerityState(bool enable_verity) {
+ const auto ab_suffix = android::base::GetProperty("ro.boot.slot_suffix", "");
+ std::unique_ptr<AvbOps, decltype(&avb_ops_user_free)> ops(avb_ops_user_new(),
+ &avb_ops_user_free);
+ if (!ops) {
+ LOG(ERROR) << "Error getting AVB ops";
+ return {};
+ }
+ if (!avb_user_verity_set(ops.get(), ab_suffix.c_str(), enable_verity)) {
+ LOG(ERROR) << "Error setting verity state";
+ return {};
+ }
+ bool verification_enabled = false;
+ if (!avb_user_verification_get(ops.get(), ab_suffix.c_str(), &verification_enabled)) {
+ LOG(ERROR) << "Error getting verification state";
+ return {};
+ }
+ if (!verification_enabled) {
+ LOG(WARNING) << "AVB verification is disabled, "
+ << (enable_verity ? "enabling" : "disabling")
+ << " verity state may have no effect";
+ return {.success = true, .want_reboot = false};
+ }
+ const auto verity_mode = android::base::GetProperty("ro.boot.veritymode", "");
+ const bool was_enabled = (verity_mode != "disabled");
+ if ((was_enabled && enable_verity) || (!was_enabled && !enable_verity)) {
+ LOG(INFO) << "Verity is already " << (enable_verity ? "enabled" : "disabled");
+ return {.success = true, .want_reboot = false};
+ }
+ LOG(INFO) << "Successfully " << (enable_verity ? "enabled" : "disabled") << " verity";
+ return {.success = true, .want_reboot = true};
+}
+
+bool SetupOrTeardownOverlayfs(bool enable) {
+ bool want_reboot = false;
+ if (enable) {
+ Fstab fstab;
+ if (!ReadDefaultFstab(&fstab)) {
+ LOG(ERROR) << "Could not read fstab.";
+ return want_reboot;
+ }
+ if (!fs_mgr_overlayfs_setup(fstab, nullptr, &want_reboot)) {
+ LOG(ERROR) << "Overlayfs setup failed.";
+ return want_reboot;
+ }
+ if (want_reboot) {
+ printf("enabling overlayfs\n");
+ }
+ } else {
+ auto rv = fs_mgr_overlayfs_teardown(nullptr, &want_reboot);
+ if (rv == OverlayfsTeardownResult::Error) {
+ LOG(ERROR) << "Overlayfs teardown failed.";
+ return want_reboot;
+ }
+ if (rv == OverlayfsTeardownResult::Busy) {
+ LOG(ERROR) << "Overlayfs is still active until reboot.";
+ return true;
+ }
+ if (want_reboot) {
+ printf("disabling overlayfs\n");
+ }
+ }
+ return want_reboot;
+}
+
+bool do_remount(Fstab& fstab, const std::vector<std::string>& partition_args,
+ RemountCheckResult* check_result) {
Fstab partitions;
if (partition_args.empty()) {
partitions = GetAllRemountablePartitions(fstab);
} else {
- if (auto rv = GetRemountList(fstab, partition_args, &partitions); rv != REMOUNT_SUCCESS) {
- return rv;
+ if (!GetRemountList(fstab, partition_args, &partitions)) {
+ return false;
}
}
- // Check verity and optionally setup overlayfs backing.
- auto retval = CheckVerityAndOverlayfs(&partitions, check_result);
+ // Disable verity.
+ auto verity_result = SetVerityState(false /* enable_verity */);
+
+ // Treat error as fatal and suggest reboot only if verity is enabled.
+ // TODO(b/260041315): We check the device mapper for any "<partition>-verity" device present
+ // instead of checking ro.boot.veritymode because emulator has incorrect property value.
+ bool must_disable_verity = false;
+ for (const auto& partition : partitions) {
+ if (fs_mgr_is_verity_enabled(partition)) {
+ must_disable_verity = true;
+ break;
+ }
+ }
+ if (must_disable_verity) {
+ if (!verity_result.success) {
+ return false;
+ }
+ if (verity_result.want_reboot) {
+ check_result->reboot_later = true;
+ check_result->disabled_verity = true;
+ }
+ }
+
+ // Optionally setup overlayfs backing.
+ bool ok = CheckOverlayfs(&partitions, check_result);
if (partitions.empty() || check_result->disabled_verity) {
if (partitions.empty()) {
LOG(WARNING) << "No remountable partitions were found.";
}
- return retval;
+ return ok;
}
// Mount overlayfs.
@@ -443,51 +527,35 @@
android::fs_mgr::Fstab mounts;
if (!android::fs_mgr::ReadFstabFromFile("/proc/mounts", &mounts) || mounts.empty()) {
PLOG(ERROR) << "Failed to read /proc/mounts";
- return NO_MOUNTS;
+ return false;
}
// Remount selected partitions.
for (auto& entry : partitions) {
- if (auto rv = RemountPartition(fstab, mounts, entry); rv != REMOUNT_SUCCESS) {
- retval = rv;
- } else {
+ if (RemountPartition(fstab, mounts, entry)) {
check_result->remounted_anything = true;
+ } else {
+ ok = false;
}
}
- return retval;
+ return ok;
}
+} // namespace
+
int main(int argc, char* argv[]) {
// Do not use MyLogger() when running as clean_scratch_files, as stdout/stderr of daemon process
// are discarded.
if (argc > 0 && android::base::Basename(argv[0]) == "clean_scratch_files"s) {
android::fs_mgr::CleanupOldScratchFiles();
- return 0;
+ return EXIT_SUCCESS;
}
- android::base::InitLogging(argv, MyLogger);
-
- // Make sure we are root.
- if (::getuid() != 0) {
- LOG(ERROR) << "Not running as root. Try \"adb root\" first.";
- return 1;
- }
-
- // If somehow this executable is delivered on a "user" build, it can
- // not function, so providing a clear message to the caller rather than
- // letting if fall through and provide a lot of confusing failure messages.
- if (!ALLOW_ADBD_DISABLE_VERITY || !android::base::GetBoolProperty("ro.debuggable", false)) {
- LOG(ERROR) << "Device must be userdebug build";
- return 1;
- }
-
- if (android::base::GetProperty("ro.boot.vbmeta.device_state", "") == "locked") {
- LOG(ERROR) << "Device must be bootloader unlocked";
- return 1;
- }
+ android::base::InitLogging(argv, MyLogger(false /* verbose */));
const char* fstab_file = nullptr;
- auto auto_reboot = false;
+ bool auto_reboot = false;
+ bool verbose = false;
std::vector<std::string> partition_args;
struct option longopts[] = {
@@ -501,15 +569,15 @@
switch (opt) {
case 'h':
usage();
- return 0;
+ return EXIT_SUCCESS;
case 'R':
auto_reboot = true;
break;
case 'T':
if (fstab_file) {
- LOG(ERROR) << "Cannot supply two fstabs: -T " << fstab_file << " -T" << optarg;
+ LOG(ERROR) << "Cannot supply two fstabs: -T " << fstab_file << " -T " << optarg;
usage();
- return 1;
+ return EXIT_FAILURE;
}
fstab_file = optarg;
break;
@@ -517,30 +585,92 @@
verbose = true;
break;
default:
- LOG(ERROR) << "Bad Argument -" << char(opt);
+ LOG(ERROR) << "Bad argument -" << char(opt);
usage();
- return 1;
+ return EXIT_FAILURE;
}
}
- for (; argc > optind; ++optind) {
- partition_args.emplace_back(argv[optind]);
+ if (verbose) {
+ android::base::SetLogger(MyLogger(verbose));
+ }
+
+ bool remount = false;
+ bool enable_verity = false;
+ const std::string progname = getprogname();
+ if (progname == "enable-verity") {
+ enable_verity = true;
+ } else if (progname == "disable-verity") {
+ enable_verity = false;
+ } else if (progname == "set-verity-state") {
+ if (optind < argc && (argv[optind] == "1"s || argv[optind] == "0"s)) {
+ enable_verity = (argv[optind] == "1"s);
+ } else {
+ usage();
+ return EXIT_FAILURE;
+ }
+ } else {
+ remount = true;
+ for (; optind < argc; ++optind) {
+ partition_args.emplace_back(argv[optind]);
+ }
+ }
+
+ // Make sure we are root.
+ if (::getuid() != 0) {
+ LOG(ERROR) << "Not running as root. Try \"adb root\" first.";
+ return EXIT_FAILURE;
+ }
+
+ // If somehow this executable is delivered on a "user" build, it can
+ // not function, so providing a clear message to the caller rather than
+ // letting if fall through and provide a lot of confusing failure messages.
+ if (!ALLOW_ADBD_DISABLE_VERITY || !android::base::GetBoolProperty("ro.debuggable", false)) {
+ LOG(ERROR) << "Device must be userdebug build";
+ return EXIT_FAILURE;
+ }
+
+ if (android::base::GetProperty("ro.boot.verifiedbootstate", "") != "orange") {
+ LOG(ERROR) << "Device must be bootloader unlocked";
+ return EXIT_FAILURE;
+ }
+
+ // Start a threadpool to service waitForService() callbacks as
+ // fs_mgr_overlayfs_* might call waitForService() to get the image service.
+ android::ProcessState::self()->startThreadPool();
+
+ if (!remount) {
+ auto ret = SetVerityState(enable_verity);
+
+ // Disable any overlayfs unconditionally if we want verity enabled.
+ // Enable overlayfs only if verity is successfully disabled or is already disabled.
+ if (enable_verity || ret.success) {
+ ret.want_reboot |= SetupOrTeardownOverlayfs(!enable_verity);
+ }
+
+ if (ret.want_reboot) {
+ if (auto_reboot) {
+ reboot(progname);
+ }
+ std::cout << "Reboot the device for new settings to take effect" << std::endl;
+ }
+ return ret.success ? EXIT_SUCCESS : EXIT_FAILURE;
}
// Make sure checkpointing is disabled if necessary.
- if (auto rv = VerifyCheckpointing(); rv != REMOUNT_SUCCESS) {
- return rv;
+ if (!VerifyCheckpointing()) {
+ return EXIT_FAILURE;
}
// Read the selected fstab.
Fstab fstab;
if (!ReadFstab(fstab_file, &fstab) || fstab.empty()) {
PLOG(ERROR) << "Failed to read fstab";
- return 1;
+ return EXIT_FAILURE;
}
RemountCheckResult check_result;
- int result = do_remount(fstab, partition_args, &check_result);
+ bool remount_success = do_remount(fstab, partition_args, &check_result);
if (check_result.disabled_verity && check_result.setup_overlayfs) {
LOG(INFO) << "Verity disabled; overlayfs enabled.";
@@ -549,27 +679,26 @@
} else if (check_result.setup_overlayfs) {
LOG(INFO) << "Overlayfs enabled.";
}
-
+ if (remount_success && check_result.remounted_anything) {
+ LOG(INFO) << "Remount succeeded";
+ } else if (!remount_success) {
+ LOG(ERROR) << "Remount failed";
+ }
if (check_result.reboot_later) {
if (auto_reboot) {
// If (1) remount requires a reboot to take effect, (2) system is currently
// running a DSU guest and (3) DSU is disabled, then enable DSU so that the
// next reboot would not take us back to the host system but stay within
// the guest system.
- if (auto rv = EnableDsuIfNeeded(); rv != REMOUNT_SUCCESS) {
+ if (!EnableDsuIfNeeded()) {
LOG(ERROR) << "Unable to automatically enable DSU";
- return rv;
+ return EXIT_FAILURE;
}
- reboot();
+ reboot("remount");
} else {
LOG(INFO) << "Now reboot your device for settings to take effect";
}
- return REMOUNT_SUCCESS;
+ return EXIT_SUCCESS;
}
- if (result == REMOUNT_SUCCESS) {
- printf("remount succeeded\n");
- } else {
- printf("remount failed\n");
- }
- return result;
+ return remount_success ? EXIT_SUCCESS : EXIT_FAILURE;
}
diff --git a/fs_mgr/include/fs_mgr.h b/fs_mgr/include/fs_mgr.h
index 29a5e60..43de6d8 100644
--- a/fs_mgr/include/fs_mgr.h
+++ b/fs_mgr/include/fs_mgr.h
@@ -71,6 +71,8 @@
std::string algorithm;
// The root digest of the merkle tree.
std::string root_digest;
+ // If check_at_most_once is enabled.
+ bool check_at_most_once;
};
// fs_mgr_mount_all() updates fstab entries that reference device-mapper.
diff --git a/fs_mgr/include_fstab/fstab/fstab.h b/fs_mgr/include_fstab/fstab/fstab.h
index 124f070..a914b53 100644
--- a/fs_mgr/include_fstab/fstab/fstab.h
+++ b/fs_mgr/include_fstab/fstab/fstab.h
@@ -105,10 +105,13 @@
bool ReadDefaultFstab(Fstab* fstab);
bool SkipMountingPartitions(Fstab* fstab, bool verbose = false);
-FstabEntry* GetEntryForMountPoint(Fstab* fstab, const std::string& path);
// The Fstab can contain multiple entries for the same mount point with different configurations.
std::vector<FstabEntry*> GetEntriesForMountPoint(Fstab* fstab, const std::string& path);
+// Like GetEntriesForMountPoint() but return only the first entry or nullptr if no entry is found.
+FstabEntry* GetEntryForMountPoint(Fstab* fstab, const std::string& path);
+const FstabEntry* GetEntryForMountPoint(const Fstab* fstab, const std::string& path);
+
// This method builds DSU fstab entries and transfer the fstab.
//
// fstab points to the unmodified fstab.
diff --git a/fs_mgr/libdm/Android.bp b/fs_mgr/libdm/Android.bp
index 2bb9035..5cc0346 100644
--- a/fs_mgr/libdm/Android.bp
+++ b/fs_mgr/libdm/Android.bp
@@ -90,19 +90,3 @@
min_shipping_api_level: 29,
},
}
-
-cc_fuzz {
- name: "dm_linear_table_fuzzer",
- defaults: ["fs_mgr_defaults"],
- srcs: [
- "dm_linear_fuzzer.cpp",
- "test_util.cpp",
- ],
- static_libs: [
- "libdm",
- "libbase",
- "libext2_uuid",
- "libfs_mgr",
- "liblog",
- ],
-}
diff --git a/fs_mgr/libdm/dm.cpp b/fs_mgr/libdm/dm.cpp
index 4034e30..deffae1 100644
--- a/fs_mgr/libdm/dm.cpp
+++ b/fs_mgr/libdm/dm.cpp
@@ -20,6 +20,7 @@
#include <sys/ioctl.h>
#include <sys/sysmacros.h>
#include <sys/types.h>
+#include <sys/utsname.h>
#include <chrono>
#include <functional>
@@ -289,7 +290,7 @@
return true;
}
-bool DeviceMapper::LoadTableAndActivate(const std::string& name, const DmTable& table) {
+bool DeviceMapper::LoadTable(const std::string& name, const DmTable& table) {
std::string ioctl_buffer(sizeof(struct dm_ioctl), 0);
ioctl_buffer += table.Serialize();
@@ -305,9 +306,17 @@
PLOG(ERROR) << "DM_TABLE_LOAD failed";
return false;
}
+ return true;
+}
- InitIo(io, name);
- if (ioctl(fd_, DM_DEV_SUSPEND, io)) {
+bool DeviceMapper::LoadTableAndActivate(const std::string& name, const DmTable& table) {
+ if (!LoadTable(name, table)) {
+ return false;
+ }
+
+ struct dm_ioctl io;
+ InitIo(&io, name);
+ if (ioctl(fd_, DM_DEV_SUSPEND, &io)) {
PLOG(ERROR) << "DM_TABLE_SUSPEND resume failed";
return false;
}
@@ -703,5 +712,28 @@
return dm_block_devices;
}
+bool DeviceMapper::CreatePlaceholderDevice(const std::string& name) {
+ if (!CreateEmptyDevice(name)) {
+ return false;
+ }
+
+ struct utsname uts;
+ unsigned int major, minor;
+ if (uname(&uts) != 0 || sscanf(uts.release, "%u.%u", &major, &minor) != 2) {
+ LOG(ERROR) << "Could not parse the kernel version from uname";
+ return true;
+ }
+
+ // On Linux 5.15+, there is no uevent until DM_TABLE_LOAD.
+ if (major > 5 || (major == 5 && minor >= 15)) {
+ DmTable table;
+ table.Emplace<DmTargetError>(0, 1);
+ if (!LoadTable(name, table)) {
+ return false;
+ }
+ }
+ return true;
+}
+
} // namespace dm
} // namespace android
diff --git a/fs_mgr/libdm/dm_linear_fuzzer.cpp b/fs_mgr/libdm/dm_linear_fuzzer.cpp
deleted file mode 100644
index 8462901..0000000
--- a/fs_mgr/libdm/dm_linear_fuzzer.cpp
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stddef.h>
-#include <stdint.h>
-#include <string.h>
-
-#include <chrono>
-
-#include <android-base/file.h>
-#include <android-base/unique_fd.h>
-#include <libdm/dm_table.h>
-#include <libdm/loop_control.h>
-
-#include "test_util.h"
-
-using namespace android;
-using namespace android::base;
-using namespace android::dm;
-using namespace std;
-using namespace std::chrono_literals;
-
-/*
- * This test aims at making the library crash, so these functions are not
- * really useful.
- * Keeping them here for future use.
- */
-template <class T, class C>
-void ASSERT_EQ(const T& /*a*/, const C& /*b*/) {
- // if (a != b) {}
-}
-
-template <class T>
-void ASSERT_FALSE(const T& /*a*/) {
- // if (a) {}
-}
-
-template <class T, class C>
-void ASSERT_GE(const T& /*a*/, const C& /*b*/) {
- // if (a < b) {}
-}
-
-template <class T, class C>
-void ASSERT_NE(const T& /*a*/, const C& /*b*/) {
- // if (a == b) {}
-}
-
-template <class T>
-void ASSERT_TRUE(const T& /*a*/) {
- // if (!a) {}
-}
-
-template <class T, class C>
-void EXPECT_EQ(const T& a, const C& b) {
- ASSERT_EQ(a, b);
-}
-
-template <class T>
-void EXPECT_TRUE(const T& a) {
- ASSERT_TRUE(a);
-}
-
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
- uint64_t val[6];
-
- if (size != sizeof(val)) {
- return 0;
- }
-
- memcpy(&val, &data[0], sizeof(*val));
-
- unique_fd tmp1(CreateTempFile("file_1", 4096));
- ASSERT_GE(tmp1, 0);
- unique_fd tmp2(CreateTempFile("file_2", 4096));
- ASSERT_GE(tmp2, 0);
-
- LoopDevice loop_a(tmp1, 10s);
- ASSERT_TRUE(loop_a.valid());
- LoopDevice loop_b(tmp2, 10s);
- ASSERT_TRUE(loop_b.valid());
-
- // Define a 2-sector device, with each sector mapping to the first sector
- // of one of our loop devices.
- DmTable table;
- ASSERT_TRUE(table.Emplace<DmTargetLinear>(val[0], val[1], loop_a.device(), val[2]));
- ASSERT_TRUE(table.Emplace<DmTargetLinear>(val[3], val[4], loop_b.device(), val[5]));
- ASSERT_TRUE(table.valid());
- ASSERT_EQ(2u, table.num_sectors());
-
- TempDevice dev("libdm-test-dm-linear", table);
- ASSERT_TRUE(dev.valid());
- ASSERT_FALSE(dev.path().empty());
-
- auto& dm = DeviceMapper::Instance();
-
- dev_t dev_number;
- ASSERT_TRUE(dm.GetDeviceNumber(dev.name(), &dev_number));
- ASSERT_NE(dev_number, 0);
-
- std::string dev_string;
- ASSERT_TRUE(dm.GetDeviceString(dev.name(), &dev_string));
- ASSERT_FALSE(dev_string.empty());
-
- // Test GetTableStatus.
- vector<DeviceMapper::TargetInfo> targets;
- ASSERT_TRUE(dm.GetTableStatus(dev.name(), &targets));
- ASSERT_EQ(targets.size(), 2);
- EXPECT_EQ(strcmp(targets[0].spec.target_type, "linear"), 0);
- EXPECT_TRUE(targets[0].data.empty());
- EXPECT_EQ(targets[0].spec.sector_start, 0);
- EXPECT_EQ(targets[0].spec.length, 1);
- EXPECT_EQ(strcmp(targets[1].spec.target_type, "linear"), 0);
- EXPECT_TRUE(targets[1].data.empty());
- EXPECT_EQ(targets[1].spec.sector_start, 1);
- EXPECT_EQ(targets[1].spec.length, 1);
-
- // Test GetTargetType().
- EXPECT_EQ(DeviceMapper::GetTargetType(targets[0].spec), std::string{"linear"});
- EXPECT_EQ(DeviceMapper::GetTargetType(targets[1].spec), std::string{"linear"});
-
- // Normally the TestDevice destructor would delete this, but at least one
- // test should ensure that device deletion works.
- ASSERT_TRUE(dev.Destroy());
-
- return 0;
-}
diff --git a/fs_mgr/libdm/dm_test.cpp b/fs_mgr/libdm/dm_test.cpp
index 541f254..788cf51 100644
--- a/fs_mgr/libdm/dm_test.cpp
+++ b/fs_mgr/libdm/dm_test.cpp
@@ -19,6 +19,7 @@
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/types.h>
+#include <sys/utsname.h>
#include <time.h>
#include <unistd.h>
@@ -690,3 +691,33 @@
// Empty device should be in suspended state.
ASSERT_EQ(DmDeviceState::SUSPENDED, dm.GetState("empty-device"));
}
+
+TEST(libdm, UeventAfterLoadTable) {
+ static const char* kDeviceName = "libdm-test-uevent-load-table";
+
+ struct utsname u;
+ ASSERT_EQ(uname(&u), 0);
+
+ unsigned int major, minor;
+ ASSERT_EQ(sscanf(u.release, "%u.%u", &major, &minor), 2);
+
+ if (major < 5 || (major == 5 && minor < 15)) {
+ GTEST_SKIP() << "Skipping test on kernel < 5.15";
+ }
+
+ DeviceMapper& dm = DeviceMapper::Instance();
+ ASSERT_TRUE(dm.CreateEmptyDevice(kDeviceName));
+
+ DmTable table;
+ table.Emplace<DmTargetError>(0, 1);
+ ASSERT_TRUE(dm.LoadTable(kDeviceName, table));
+
+ std::string ignore_path;
+ ASSERT_TRUE(dm.WaitForDevice(kDeviceName, 5s, &ignore_path));
+
+ auto info = dm.GetDetailedInfo(kDeviceName);
+ ASSERT_TRUE(info.has_value());
+ ASSERT_TRUE(info->IsSuspended());
+
+ ASSERT_TRUE(dm.DeleteDevice(kDeviceName));
+}
diff --git a/fs_mgr/libdm/include/libdm/dm.h b/fs_mgr/libdm/include/libdm/dm.h
index 1057d7f..dbef8f9 100644
--- a/fs_mgr/libdm/include/libdm/dm.h
+++ b/fs_mgr/libdm/include/libdm/dm.h
@@ -75,6 +75,7 @@
const std::chrono::milliseconds& timeout_ms) = 0;
virtual DmDeviceState GetState(const std::string& name) const = 0;
virtual bool LoadTableAndActivate(const std::string& name, const DmTable& table) = 0;
+ virtual bool LoadTable(const std::string& name, const DmTable& table) = 0;
virtual bool GetTableInfo(const std::string& name, std::vector<TargetInfo>* table) = 0;
virtual bool GetTableStatus(const std::string& name, std::vector<TargetInfo>* table) = 0;
virtual bool GetDmDevicePathByName(const std::string& name, std::string* path) = 0;
@@ -116,7 +117,7 @@
bool IsBufferFull() const { return flags_ & DM_BUFFER_FULL_FLAG; }
bool IsInactiveTablePresent() const { return flags_ & DM_INACTIVE_PRESENT_FLAG; }
bool IsReadOnly() const { return flags_ & DM_READONLY_FLAG; }
- bool IsSuspended() const { return flags_ & DM_SUSPEND_FLAG; }
+ bool IsSuspended() const { return !IsActiveTablePresent() || (flags_ & DM_SUSPEND_FLAG); }
};
// Removes a device mapper device with the given name.
@@ -199,6 +200,12 @@
// Returns 'true' on success, false otherwise.
bool LoadTableAndActivate(const std::string& name, const DmTable& table) override;
+ // Same as LoadTableAndActivate, but there is no resume step. This puts the
+ // new table in the inactive slot.
+ //
+ // Returns 'true' on success, false otherwise.
+ bool LoadTable(const std::string& name, const DmTable& table) override;
+
// Returns true if a list of available device mapper targets registered in the kernel was
// successfully read and stored in 'targets'. Returns 'false' otherwise.
bool GetAvailableTargets(std::vector<DmTargetTypeInfo>* targets);
@@ -285,6 +292,12 @@
// Returns mapping <partition-name, /dev/block/dm-x>
std::map<std::string, std::string> FindDmPartitions();
+ // Create a placeholder device. This is useful for ensuring that a uevent is in the pipeline,
+ // to reduce the amount of time a future WaitForDevice will block. On kernels < 5.15, this
+ // simply calls CreateEmptyDevice. On 5.15 and higher, it also loads (but does not activate)
+ // a placeholder table containing dm-error.
+ bool CreatePlaceholderDevice(const std::string& name);
+
private:
// Maximum possible device mapper targets registered in the kernel.
// This is only used to read the list of targets from kernel so we allocate
diff --git a/fs_mgr/libdm/include/libdm/dm_table.h b/fs_mgr/libdm/include/libdm/dm_table.h
index ee66653..427f34d 100644
--- a/fs_mgr/libdm/include/libdm/dm_table.h
+++ b/fs_mgr/libdm/include/libdm/dm_table.h
@@ -31,6 +31,7 @@
class DmTable {
public:
DmTable() : num_sectors_(0), readonly_(false) {}
+ DmTable(DmTable&& other) = default;
// Adds a target to the device mapper table for a range specified in the target object.
// The function will return 'true' if the target was successfully added and doesn't overlap with
@@ -70,6 +71,8 @@
void set_readonly(bool readonly) { readonly_ = readonly; }
bool readonly() const { return readonly_; }
+ DmTable& operator=(DmTable&& other) = default;
+
~DmTable() = default;
private:
diff --git a/fs_mgr/libdm/include/libdm/dm_target.h b/fs_mgr/libdm/include/libdm/dm_target.h
index 9543058..09fe200 100644
--- a/fs_mgr/libdm/include/libdm/dm_target.h
+++ b/fs_mgr/libdm/include/libdm/dm_target.h
@@ -323,6 +323,14 @@
std::string control_device_;
};
+class DmTargetError final : public DmTarget {
+ public:
+ DmTargetError(uint64_t start, uint64_t length) : DmTarget(start, length) {}
+
+ std::string name() const override { return "error"; }
+ std::string GetParameterString() const override { return ""; }
+};
+
} // namespace dm
} // namespace android
diff --git a/fs_mgr/libfiemap/README.md b/fs_mgr/libfiemap/README.md
index 62d610a..cdc80b2 100644
--- a/fs_mgr/libfiemap/README.md
+++ b/fs_mgr/libfiemap/README.md
@@ -35,18 +35,18 @@
We break the problem down into three scenarios.
-### FDE and Metadata Encrypted Devices
+### Metadata Encrypted Devices
-When FDE or metadata encryption is used, `/data` is not mounted from
+When metadata encryption is used, `/data` is not mounted from
`/dev/block/by-name/data`. Instead, it is mounted from an intermediate
-`dm-crypt` or `dm-default-key` device. This means the underlying device is
-not marked in use, and we can create new dm-linear devices on top of it.
+`dm-default-key` device. This means the underlying device is not marked in use,
+and we can create new dm-linear devices on top of it.
On these devices, a block device for an image will consist of a single
device-mapper device with a `dm-linear` table entry for each extent in the
backing file.
-### Unencrypted and FBE-encrypted Devices
+### Unencrypted and FBE-only Devices
When a device is unencrypted, or is encrypted with FBE but not metadata
encryption, we instead use a loop device with `LOOP_SET_DIRECT_IO` enabled.
diff --git a/fs_mgr/libfiemap/metadata.cpp b/fs_mgr/libfiemap/metadata.cpp
index b0dfb5c..22b8afb 100644
--- a/fs_mgr/libfiemap/metadata.cpp
+++ b/fs_mgr/libfiemap/metadata.cpp
@@ -30,6 +30,7 @@
namespace fiemap {
using namespace android::fs_mgr;
+using android::base::unique_fd;
static constexpr uint32_t kMaxMetadataSize = 256 * 1024;
@@ -109,10 +110,18 @@
if (exported->partitions.empty() && android::base::RemoveFileIfExists(metadata_file)) {
return true;
}
- if (!WriteToImageFile(metadata_file, *exported.get())) {
+
+ unique_fd fd(open(metadata_file.c_str(), O_CREAT | O_RDWR | O_TRUNC | O_CLOEXEC | O_BINARY | O_SYNC, 0644));
+ if (fd < 0) {
+ LOG(ERROR) << "open failed: " << metadata_file;
+ return false;
+ }
+
+ if (!WriteToImageFile(fd, *exported.get())) {
LOG(ERROR) << "Unable to save new metadata";
return false;
}
+
return true;
}
diff --git a/fs_mgr/libfs_avb/avb_ops.cpp b/fs_mgr/libfs_avb/avb_ops.cpp
index 46072bb..a119bfc 100644
--- a/fs_mgr/libfs_avb/avb_ops.cpp
+++ b/fs_mgr/libfs_avb/avb_ops.cpp
@@ -26,8 +26,10 @@
#include <errno.h>
#include <fcntl.h>
+#include <linux/fs.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/ioctl.h>
#include <sys/stat.h>
#include <string>
@@ -96,13 +98,11 @@
return AVB_IO_RESULT_OK;
}
-static AvbIOResult no_op_get_size_of_partition(AvbOps* ops ATTRIBUTE_UNUSED,
- const char* partition ATTRIBUTE_UNUSED,
- uint64_t* out_size_num_byte) {
- // The function is for bootloader to load entire content of AVB HASH partitions.
- // In user-space, returns 0 as we only need to set up AVB HASHTHREE partitions.
- *out_size_num_byte = 0;
- return AVB_IO_RESULT_OK;
+static AvbIOResult get_size_of_partition(AvbOps* ops ATTRIBUTE_UNUSED,
+ const char* partition ATTRIBUTE_UNUSED,
+ uint64_t* out_size_num_byte) {
+ return FsManagerAvbOps::GetInstanceFromAvbOps(ops)->GetSizeOfPartition(partition,
+ out_size_num_byte);
}
// Converts a partition name (with ab_suffix) to the corresponding mount point.
@@ -131,7 +131,7 @@
avb_ops_.validate_vbmeta_public_key = no_op_validate_vbmeta_public_key;
avb_ops_.read_is_device_unlocked = no_op_read_is_device_unlocked;
avb_ops_.get_unique_guid_for_partition = no_op_get_unique_guid_for_partition;
- avb_ops_.get_size_of_partition = no_op_get_size_of_partition;
+ avb_ops_.get_size_of_partition = get_size_of_partition;
// Sets user_data for GetInstanceFromAvbOps() to convert it back to FsManagerAvbOps.
avb_ops_.user_data = this;
@@ -167,13 +167,8 @@
return "";
}
-
-AvbIOResult FsManagerAvbOps::ReadFromPartition(const char* partition, int64_t offset,
- size_t num_bytes, void* buffer,
- size_t* out_num_read) {
+std::string FsManagerAvbOps::GetPartitionPath(const char* partition) {
std::string path = "/dev/block/by-name/"s + partition;
-
- // Ensures the device path (a symlink created by init) is ready to access.
if (!WaitForFile(path, 1s)) {
LERROR << "Device path not found: " << path;
// Falls back to logical path if the physical path is not found.
@@ -182,8 +177,36 @@
// the bootloader failed to read a physical partition, it will failed to boot
// the HLOS and we won't reach the code here.
path = GetLogicalPath(partition);
- if (path.empty() || !WaitForFile(path, 1s)) return AVB_IO_RESULT_ERROR_NO_SUCH_PARTITION;
- LINFO << "Fallback to use logical device path: " << path;
+ if (path.empty() || !WaitForFile(path, 1s)) return "";
+ }
+ return path;
+}
+
+AvbIOResult FsManagerAvbOps::GetSizeOfPartition(const char* partition,
+ uint64_t* out_size_num_byte) {
+ const auto path = GetPartitionPath(partition);
+ if (path.empty()) {
+ return AVB_IO_RESULT_ERROR_NO_SUCH_PARTITION;
+ }
+ android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(path.c_str(), O_RDONLY | O_CLOEXEC)));
+ if (fd < 0) {
+ PERROR << "Failed to open " << path;
+ return AVB_IO_RESULT_ERROR_IO;
+ }
+ int err = ioctl(fd, BLKGETSIZE64, out_size_num_byte);
+ if (err) {
+ *out_size_num_byte = 0;
+ return AVB_IO_RESULT_ERROR_IO;
+ }
+ return AVB_IO_RESULT_OK;
+}
+
+AvbIOResult FsManagerAvbOps::ReadFromPartition(const char* partition, int64_t offset,
+ size_t num_bytes, void* buffer,
+ size_t* out_num_read) {
+ std::string path = GetPartitionPath(partition);
+ if (path.empty()) {
+ return AVB_IO_RESULT_ERROR_NO_SUCH_PARTITION;
}
android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(path.c_str(), O_RDONLY | O_CLOEXEC)));
diff --git a/fs_mgr/libfs_avb/avb_ops.h b/fs_mgr/libfs_avb/avb_ops.h
index b39812d..12686a6 100644
--- a/fs_mgr/libfs_avb/avb_ops.h
+++ b/fs_mgr/libfs_avb/avb_ops.h
@@ -56,12 +56,14 @@
AvbIOResult ReadFromPartition(const char* partition, int64_t offset, size_t num_bytes,
void* buffer, size_t* out_num_read);
+ AvbIOResult GetSizeOfPartition(const char* partition, uint64_t* out_size_num_byte);
AvbSlotVerifyResult AvbSlotVerify(const std::string& ab_suffix, AvbSlotVerifyFlags flags,
std::vector<VBMetaData>* out_vbmeta_images);
private:
std::string GetLogicalPath(const std::string& partition_name);
+ std::string GetPartitionPath(const char* partition_name);
AvbOps avb_ops_;
Fstab fstab_;
};
diff --git a/fs_mgr/libfs_avb/util.h b/fs_mgr/libfs_avb/util.h
index 427ab7c..29d1e9c 100644
--- a/fs_mgr/libfs_avb/util.h
+++ b/fs_mgr/libfs_avb/util.h
@@ -31,7 +31,7 @@
using android::base::ErrnoError;
using android::base::Result;
-#define FS_AVB_TAG "[libfs_avb]"
+#define FS_AVB_TAG "[libfs_avb] "
// Logs a message to kernel
#define LINFO LOG(INFO) << FS_AVB_TAG
diff --git a/fs_mgr/liblp/Android.bp b/fs_mgr/liblp/Android.bp
index 4b81c2c..996ffd7 100644
--- a/fs_mgr/liblp/Android.bp
+++ b/fs_mgr/liblp/Android.bp
@@ -39,6 +39,7 @@
],
srcs: [
"builder.cpp",
+ "super_layout_builder.cpp",
"images.cpp",
"partition_opener.cpp",
"property_fetcher.cpp",
@@ -62,17 +63,6 @@
export_include_dirs: ["include"],
}
-filegroup {
- name: "liblp_test_srcs",
- srcs: [
- "builder_test.cpp",
- "device_test.cpp",
- "io_test.cpp",
- "test_partition_opener.cpp",
- "utility_test.cpp",
- ],
-}
-
cc_defaults {
name: "liblp_test_defaults",
defaults: ["fs_mgr_defaults"],
@@ -82,22 +72,39 @@
static_libs: [
"libcutils",
"libgmock",
- "libfs_mgr",
"liblp",
"libcrypto_static",
] + liblp_lib_deps,
header_libs: [
"libstorage_literals_headers",
],
+ target: {
+ android: {
+ srcs: [
+ "device_test.cpp",
+ "io_test.cpp",
+ ],
+ static_libs: [
+ "libfs_mgr",
+ ],
+ }
+ },
stl: "libc++_static",
- srcs: [":liblp_test_srcs"],
+ srcs: [
+ "builder_test.cpp",
+ "super_layout_builder_test.cpp",
+ "test_partition_opener.cpp",
+ "utility_test.cpp",
+ ],
}
cc_test {
name: "liblp_test",
defaults: ["liblp_test_defaults"],
- test_config: "liblp_test.xml",
test_suites: ["device-tests"],
+ auto_gen_config: true,
+ require_root: true,
+ host_supported: true
}
cc_test {
diff --git a/fs_mgr/liblp/images.cpp b/fs_mgr/liblp/images.cpp
index 0b1e522..02b64ac 100644
--- a/fs_mgr/liblp/images.cpp
+++ b/fs_mgr/liblp/images.cpp
@@ -312,6 +312,11 @@
bool ImageBuilder::AddPartitionImage(const LpMetadataPartition& partition,
const std::string& file) {
+ if (partition.num_extents == 0) {
+ LERROR << "Partition size is zero: " << GetPartitionName(partition);
+ return false;
+ }
+
// Track which extent we're processing.
uint32_t extent_index = partition.first_extent_index;
diff --git a/fs_mgr/liblp/include/liblp/super_layout_builder.h b/fs_mgr/liblp/include/liblp/super_layout_builder.h
new file mode 100644
index 0000000..d920855
--- /dev/null
+++ b/fs_mgr/liblp/include/liblp/super_layout_builder.h
@@ -0,0 +1,104 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+#pragma once
+
+#include <stdint.h>
+
+#include <memory>
+#include <ostream>
+#include <string>
+#include <unordered_map>
+#include <utility>
+
+#include <android-base/unique_fd.h>
+#include <liblp/builder.h>
+
+namespace android {
+namespace fs_mgr {
+
+struct SuperImageExtent {
+ enum class Type { INVALID, DATA, PARTITION, ZERO, DONTCARE };
+
+ SuperImageExtent(const SuperImageExtent& other) = default;
+ SuperImageExtent(SuperImageExtent&& other) = default;
+ SuperImageExtent(uint64_t offset, uint64_t size, Type type)
+ : offset(offset), size(size), type(type) {}
+
+ SuperImageExtent(uint64_t offset, std::shared_ptr<std::string> blob)
+ : SuperImageExtent(offset, blob->size(), Type::DATA) {
+ this->blob = blob;
+ }
+
+ SuperImageExtent(uint64_t offset, uint64_t size, const std::string& image_name,
+ uint64_t image_offset)
+ : SuperImageExtent(offset, size, Type::PARTITION) {
+ this->image_name = image_name;
+ this->image_offset = image_offset;
+ }
+
+ SuperImageExtent& operator=(const SuperImageExtent& other) = default;
+ SuperImageExtent& operator=(SuperImageExtent&& other) = default;
+
+ bool operator<(const SuperImageExtent& other) const { return offset < other.offset; }
+ bool operator==(const SuperImageExtent& other) const;
+
+ // Location, size, and type of the extent.
+ uint64_t offset = 0;
+ uint64_t size = 0;
+ Type type = Type::INVALID;
+
+ // If type == DATA, this contains the bytes to write.
+ std::shared_ptr<std::string> blob;
+ // If type == PARTITION, this contains the partition image name and
+ // offset within that file.
+ std::string image_name;
+ uint64_t image_offset = 0;
+};
+
+// The SuperLayoutBuilder allows building a sparse view of a super image. This
+// is useful for efficient flashing, eg to bypass fastbootd and directly flash
+// super without physically building and storing the image.
+class SuperLayoutBuilder final {
+ public:
+ // Open a super_empty.img, return false on failure. This must be called to
+ // initialize the tool. If it returns false, either the image failed to
+ // parse, or the tool is not compatible with how the device is configured
+ // (in which case fastbootd should be preferred).
+ [[nodiscard]] bool Open(android::base::borrowed_fd fd);
+ [[nodiscard]] bool Open(const void* data, size_t bytes);
+ [[nodiscard]] bool Open(const LpMetadata& metadata);
+
+ // Add a partition's image and size to the work list. If false is returned,
+ // there was either a duplicate partition or not enough space in super.
+ bool AddPartition(const std::string& partition_name, const std::string& image_name,
+ uint64_t partition_size);
+
+ // Return the list of extents describing the super image. If this list is
+ // empty, then there was an unrecoverable error in building the list.
+ std::vector<SuperImageExtent> GetImageLayout();
+
+ // Return the current metadata.
+ std::unique_ptr<LpMetadata> Export() const { return builder_->Export(); }
+
+ private:
+ std::unique_ptr<MetadataBuilder> builder_;
+ std::unordered_map<std::string, std::string> image_map_;
+};
+
+std::ostream& operator<<(std::ostream& stream, const SuperImageExtent& extent);
+
+} // namespace fs_mgr
+} // namespace android
diff --git a/fs_mgr/liblp/liblp_test.xml b/fs_mgr/liblp/liblp_test.xml
deleted file mode 100644
index 98414b1..0000000
--- a/fs_mgr/liblp/liblp_test.xml
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2019 The Android Open Source Project
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
--->
-<configuration description="Config for liblp_test">
- <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
- <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
- <option name="cleanup" value="true" />
- <option name="push" value="liblp_test->/data/local/tmp/liblp_test" />
- </target_preparer>
- <test class="com.android.tradefed.testtype.GTest" >
- <option name="native-test-device-path" value="/data/local/tmp" />
- <option name="module-name" value="liblp_test" />
- </test>
-</configuration>
diff --git a/fs_mgr/liblp/super_layout_builder.cpp b/fs_mgr/liblp/super_layout_builder.cpp
new file mode 100644
index 0000000..37f28e1
--- /dev/null
+++ b/fs_mgr/liblp/super_layout_builder.cpp
@@ -0,0 +1,241 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+#include <liblp/super_layout_builder.h>
+
+#include <liblp/liblp.h>
+
+#include "images.h"
+#include "utility.h"
+#include "writer.h"
+
+using android::base::borrowed_fd;
+using android::base::unique_fd;
+
+namespace android {
+namespace fs_mgr {
+
+bool SuperLayoutBuilder::Open(borrowed_fd fd) {
+ auto metadata = ReadFromImageFile(fd.get());
+ if (!metadata) {
+ return false;
+ }
+ return Open(*metadata.get());
+}
+
+bool SuperLayoutBuilder::Open(const void* data, size_t size) {
+ auto metadata = ReadFromImageBlob(data, size);
+ if (!metadata) {
+ return false;
+ }
+ return Open(*metadata.get());
+}
+
+bool SuperLayoutBuilder::Open(const LpMetadata& metadata) {
+ for (const auto& partition : metadata.partitions) {
+ if (partition.attributes & LP_PARTITION_ATTR_SLOT_SUFFIXED) {
+ // Retrofit devices are not supported.
+ return false;
+ }
+ if (!(partition.attributes & LP_PARTITION_ATTR_READONLY)) {
+ // Writable partitions are not supported.
+ return false;
+ }
+ }
+ if (!metadata.extents.empty()) {
+ // Partitions that already have extents are not supported (should
+ // never be true of super_empty.img).
+ return false;
+ }
+ if (metadata.block_devices.size() != 1) {
+ // Only one "super" is supported.
+ return false;
+ }
+
+ builder_ = MetadataBuilder::New(metadata);
+ return !!builder_;
+}
+
+bool SuperLayoutBuilder::AddPartition(const std::string& partition_name,
+ const std::string& image_name, uint64_t partition_size) {
+ auto p = builder_->FindPartition(partition_name);
+ if (!p) {
+ return false;
+ }
+ if (!builder_->ResizePartition(p, partition_size)) {
+ return false;
+ }
+ image_map_.emplace(partition_name, image_name);
+ return true;
+}
+
+// Fill the space between each extent, if any, with either a fill or dontcare
+// extent. The caller constructs a sample extent to re-use.
+static bool AddGapExtents(std::vector<SuperImageExtent>* extents, SuperImageExtent::Type gap_type) {
+ std::vector<SuperImageExtent> old = std::move(*extents);
+ std::sort(old.begin(), old.end());
+
+ *extents = {};
+
+ uint64_t current_offset = 0;
+ for (const auto& extent : old) {
+ // Check for overlapping extents - this would be a serious error.
+ if (current_offset > extent.offset) {
+ LOG(INFO) << "Overlapping extents detected; cannot layout temporary super image";
+ return false;
+ }
+
+ if (extent.offset != current_offset) {
+ uint64_t gap_size = extent.offset - current_offset;
+ extents->emplace_back(current_offset, gap_size, gap_type);
+ current_offset = extent.offset;
+ }
+
+ extents->emplace_back(extent);
+ current_offset += extent.size;
+ }
+ return true;
+}
+
+std::vector<SuperImageExtent> SuperLayoutBuilder::GetImageLayout() {
+ auto metadata = builder_->Export();
+ if (!metadata) {
+ return {};
+ }
+
+ std::vector<SuperImageExtent> extents;
+
+ // Write the primary and backup copies of geometry.
+ std::string geometry_bytes = SerializeGeometry(metadata->geometry);
+ auto blob = std::make_shared<std::string>(std::move(geometry_bytes));
+
+ extents.emplace_back(0, GetPrimaryGeometryOffset(), SuperImageExtent::Type::ZERO);
+ extents.emplace_back(GetPrimaryGeometryOffset(), blob);
+ extents.emplace_back(GetBackupGeometryOffset(), blob);
+
+ // Write the primary and backup copies of each metadata slot. When flashing,
+ // all metadata copies are the same, even for different slots.
+ std::string metadata_bytes = SerializeMetadata(*metadata.get());
+
+ // Align metadata size to 4KB. This makes the layout easily compatible with
+ // libsparse.
+ static constexpr size_t kSparseAlignment = 4096;
+ size_t metadata_aligned_bytes;
+ if (!AlignTo(metadata_bytes.size(), kSparseAlignment, &metadata_aligned_bytes)) {
+ LOG(ERROR) << "Unable to align metadata size " << metadata_bytes.size() << " to "
+ << kSparseAlignment;
+ return {};
+ }
+ metadata_bytes.resize(metadata_aligned_bytes, '\0');
+
+ // However, alignment can cause larger-than-supported metadata blocks. Fall
+ // back to fastbootd/update-super.
+ if (metadata_bytes.size() > metadata->geometry.metadata_max_size) {
+ LOG(VERBOSE) << "Aligned metadata size " << metadata_bytes.size()
+ << " is larger than maximum metadata size "
+ << metadata->geometry.metadata_max_size;
+ return {};
+ }
+
+ blob = std::make_shared<std::string>(std::move(metadata_bytes));
+ for (uint32_t i = 0; i < metadata->geometry.metadata_slot_count; i++) {
+ int64_t metadata_primary = GetPrimaryMetadataOffset(metadata->geometry, i);
+ int64_t metadata_backup = GetBackupMetadataOffset(metadata->geometry, i);
+ extents.emplace_back(metadata_primary, blob);
+ extents.emplace_back(metadata_backup, blob);
+ }
+
+ // Add extents for each partition.
+ for (const auto& partition : metadata->partitions) {
+ auto partition_name = GetPartitionName(partition);
+ auto image_name_iter = image_map_.find(partition_name);
+ if (image_name_iter == image_map_.end()) {
+ if (partition.num_extents != 0) {
+ LOG(ERROR) << "Partition " << partition_name
+ << " has extents but no image filename";
+ return {};
+ }
+ continue;
+ }
+ const auto& image_name = image_name_iter->second;
+
+ uint64_t image_offset = 0;
+ for (uint32_t i = 0; i < partition.num_extents; i++) {
+ const auto& e = metadata->extents[partition.first_extent_index + i];
+
+ if (e.target_type != LP_TARGET_TYPE_LINEAR) {
+ // Any type other than LINEAR isn't understood here. We don't even
+ // bother with ZERO, which is never generated.
+ LOG(INFO) << "Unknown extent type from liblp: " << e.target_type;
+ return {};
+ }
+
+ size_t size = e.num_sectors * LP_SECTOR_SIZE;
+ uint64_t super_offset = e.target_data * LP_SECTOR_SIZE;
+ extents.emplace_back(super_offset, size, image_name, image_offset);
+
+ image_offset += size;
+ }
+ }
+
+ if (!AddGapExtents(&extents, SuperImageExtent::Type::DONTCARE)) {
+ return {};
+ }
+ return extents;
+}
+
+bool SuperImageExtent::operator==(const SuperImageExtent& other) const {
+ if (offset != other.offset) {
+ return false;
+ }
+ if (size != other.size) {
+ return false;
+ }
+ if (type != other.type) {
+ return false;
+ }
+ switch (type) {
+ case Type::DATA:
+ return *blob == *other.blob;
+ case Type::PARTITION:
+ return image_name == other.image_name && image_offset == other.image_offset;
+ default:
+ return true;
+ }
+}
+
+std::ostream& operator<<(std::ostream& stream, const SuperImageExtent& extent) {
+ stream << "extent:" << extent.offset << ":" << extent.size << ":";
+ switch (extent.type) {
+ case SuperImageExtent::Type::DATA:
+ stream << "data";
+ break;
+ case SuperImageExtent::Type::PARTITION:
+ stream << "partition:" << extent.image_name << ":" << extent.image_offset;
+ break;
+ case SuperImageExtent::Type::ZERO:
+ stream << "zero";
+ break;
+ case SuperImageExtent::Type::DONTCARE:
+ stream << "dontcare";
+ break;
+ default:
+ stream << "invalid";
+ }
+ return stream;
+}
+
+} // namespace fs_mgr
+} // namespace android
diff --git a/fs_mgr/liblp/super_layout_builder_test.cpp b/fs_mgr/liblp/super_layout_builder_test.cpp
new file mode 100644
index 0000000..714b6b4
--- /dev/null
+++ b/fs_mgr/liblp/super_layout_builder_test.cpp
@@ -0,0 +1,141 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <liblp/builder.h>
+#include <liblp/super_layout_builder.h>
+#include <storage_literals/storage_literals.h>
+
+#include "images.h"
+#include "writer.h"
+
+using namespace android::fs_mgr;
+using namespace android::storage_literals;
+
+TEST(SuperImageTool, Layout) {
+ auto builder = MetadataBuilder::New(4_MiB, 8_KiB, 2);
+ ASSERT_NE(builder, nullptr);
+
+ Partition* p = builder->AddPartition("system_a", LP_PARTITION_ATTR_READONLY);
+ ASSERT_NE(p, nullptr);
+
+ auto metadata = builder->Export();
+ ASSERT_NE(metadata, nullptr);
+
+ SuperLayoutBuilder tool;
+ ASSERT_TRUE(tool.Open(*metadata.get()));
+ ASSERT_TRUE(tool.AddPartition("system_a", "system.img", 16_KiB));
+
+ // Get a copy of the metadata we'd expect if flashing.
+ ASSERT_TRUE(builder->ResizePartition(p, 16_KiB));
+ metadata = builder->Export();
+ ASSERT_NE(metadata, nullptr);
+
+ auto geometry_blob = std::make_shared<std::string>(SerializeGeometry(metadata->geometry));
+ auto metadata_blob = std::make_shared<std::string>(SerializeMetadata(*metadata.get()));
+ metadata_blob->resize(4_KiB, '\0');
+
+ auto extents = tool.GetImageLayout();
+ ASSERT_EQ(extents.size(), 12);
+ EXPECT_EQ(extents[0], SuperImageExtent(0, 4096, SuperImageExtent::Type::ZERO));
+ EXPECT_EQ(extents[1], SuperImageExtent(4096, geometry_blob));
+ EXPECT_EQ(extents[2], SuperImageExtent(8192, geometry_blob));
+ EXPECT_EQ(extents[3], SuperImageExtent(12288, metadata_blob));
+ EXPECT_EQ(extents[4], SuperImageExtent(16384, 4096, SuperImageExtent::Type::DONTCARE));
+ EXPECT_EQ(extents[5], SuperImageExtent(20480, metadata_blob));
+ EXPECT_EQ(extents[6], SuperImageExtent(24576, 4096, SuperImageExtent::Type::DONTCARE));
+ EXPECT_EQ(extents[7], SuperImageExtent(28672, metadata_blob));
+ EXPECT_EQ(extents[8], SuperImageExtent(32768, 4096, SuperImageExtent::Type::DONTCARE));
+ EXPECT_EQ(extents[9], SuperImageExtent(36864, metadata_blob));
+ EXPECT_EQ(extents[10], SuperImageExtent(40960, 4096, SuperImageExtent::Type::DONTCARE));
+ EXPECT_EQ(extents[11], SuperImageExtent(45056, 16384, "system.img", 0));
+}
+
+TEST(SuperImageTool, NoWritablePartitions) {
+ auto builder = MetadataBuilder::New(4_MiB, 8_KiB, 2);
+ ASSERT_NE(builder, nullptr);
+
+ Partition* p = builder->AddPartition("system_a", 0);
+ ASSERT_NE(p, nullptr);
+
+ auto metadata = builder->Export();
+ ASSERT_NE(metadata, nullptr);
+
+ SuperLayoutBuilder tool;
+ ASSERT_FALSE(tool.Open(*metadata.get()));
+}
+
+TEST(SuperImageTool, NoRetrofit) {
+ auto builder = MetadataBuilder::New(4_MiB, 8_KiB, 2);
+ ASSERT_NE(builder, nullptr);
+
+ Partition* p = builder->AddPartition("system_a", LP_PARTITION_ATTR_READONLY);
+ ASSERT_NE(p, nullptr);
+
+ auto metadata = builder->Export();
+ ASSERT_NE(metadata, nullptr);
+
+ // Add an extra block device.
+ metadata->block_devices.emplace_back(metadata->block_devices[0]);
+
+ SuperLayoutBuilder tool;
+ ASSERT_FALSE(tool.Open(*metadata.get()));
+}
+
+TEST(SuperImageTool, NoRetrofit2) {
+ auto builder = MetadataBuilder::New(4_MiB, 8_KiB, 2);
+ ASSERT_NE(builder, nullptr);
+
+ Partition* p = builder->AddPartition(
+ "system_a", LP_PARTITION_ATTR_READONLY | LP_PARTITION_ATTR_SLOT_SUFFIXED);
+ ASSERT_NE(p, nullptr);
+
+ auto metadata = builder->Export();
+ ASSERT_NE(metadata, nullptr);
+
+ SuperLayoutBuilder tool;
+ ASSERT_FALSE(tool.Open(*metadata.get()));
+}
+
+TEST(SuperImageTool, NoFixedPartitions) {
+ auto builder = MetadataBuilder::New(4_MiB, 8_KiB, 2);
+ ASSERT_NE(builder, nullptr);
+
+ Partition* p = builder->AddPartition("system_a", LP_PARTITION_ATTR_READONLY);
+ ASSERT_NE(p, nullptr);
+ ASSERT_TRUE(builder->ResizePartition(p, 4_KiB));
+
+ auto metadata = builder->Export();
+ ASSERT_NE(metadata, nullptr);
+
+ SuperLayoutBuilder tool;
+ ASSERT_FALSE(tool.Open(*metadata.get()));
+}
+
+TEST(SuperImageTool, LargeAlignedMetadata) {
+ auto builder = MetadataBuilder::New(4_MiB, 512, 2);
+ ASSERT_NE(builder, nullptr);
+
+ auto metadata = builder->Export();
+ ASSERT_NE(metadata, nullptr);
+
+ SuperLayoutBuilder tool;
+ ASSERT_TRUE(tool.Open(*metadata.get()));
+
+ auto extents = tool.GetImageLayout();
+ ASSERT_TRUE(extents.empty());
+}
diff --git a/fs_mgr/liblp/utility.h b/fs_mgr/liblp/utility.h
index aa3a6a0..32a59a5 100644
--- a/fs_mgr/liblp/utility.h
+++ b/fs_mgr/liblp/utility.h
@@ -30,7 +30,7 @@
#include "liblp/liblp.h"
-#define LP_TAG "[liblp]"
+#define LP_TAG "[liblp] "
#define LWARN LOG(WARNING) << LP_TAG
#define LINFO LOG(INFO) << LP_TAG
#define LERROR LOG(ERROR) << LP_TAG
diff --git a/fs_mgr/libsnapshot/Android.bp b/fs_mgr/libsnapshot/Android.bp
index 8e4b556..c2f435f 100644
--- a/fs_mgr/libsnapshot/Android.bp
+++ b/fs_mgr/libsnapshot/Android.bp
@@ -261,6 +261,7 @@
},
auto_gen_config: true,
require_root: true,
+ compile_multilib: "first",
}
cc_test {
@@ -268,14 +269,19 @@
defaults: ["libsnapshot_test_defaults", "libsnapshot_hal_deps"],
}
-sh_test {
- name: "run_snapshot_tests",
- src: "run_snapshot_tests.sh",
- test_suites: [
- "device-tests",
+cc_test {
+ name: "vab_legacy_tests",
+ defaults: ["libsnapshot_test_defaults", "libsnapshot_hal_deps"],
+ cppflags: [
+ "-DLIBSNAPSHOT_TEST_VAB_LEGACY",
],
- required: [
- "vts_libsnapshot_test",
+}
+
+cc_test {
+ name: "vabc_legacy_tests",
+ defaults: ["libsnapshot_test_defaults", "libsnapshot_hal_deps"],
+ cppflags: [
+ "-DLIBSNAPSHOT_TEST_VABC_LEGACY",
],
}
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h b/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
index 19f3649..c7b83a8 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
@@ -16,9 +16,17 @@
#include <stdint.h>
+#include <condition_variable>
+#include <cstdint>
+#include <future>
#include <memory>
+#include <mutex>
#include <optional>
+#include <queue>
#include <string>
+#include <thread>
+#include <utility>
+#include <vector>
#include <android-base/unique_fd.h>
#include <libsnapshot/cow_format.h>
@@ -41,6 +49,12 @@
// Preset the number of merged ops. Only useful for testing.
uint64_t num_merge_ops = 0;
+
+ // Number of threads for compression
+ int num_compress_threads = 0;
+
+ // Batch write cluster ops
+ bool batch_write = false;
};
// Interface for writing to a snapuserd COW. All operations are ordered; merges
@@ -99,9 +113,46 @@
CowOptions options_;
};
+class CompressWorker {
+ public:
+ CompressWorker(CowCompressionAlgorithm compression, uint32_t block_size);
+ bool RunThread();
+ void EnqueueCompressBlocks(const void* buffer, size_t num_blocks);
+ bool GetCompressedBuffers(std::vector<std::basic_string<uint8_t>>* compressed_buf);
+ void Finalize();
+ static std::basic_string<uint8_t> Compress(CowCompressionAlgorithm compression,
+ const void* data, size_t length);
+
+ static bool CompressBlocks(CowCompressionAlgorithm compression, size_t block_size,
+ const void* buffer, size_t num_blocks,
+ std::vector<std::basic_string<uint8_t>>* compressed_data);
+
+ private:
+ struct CompressWork {
+ const void* buffer;
+ size_t num_blocks;
+ bool compression_status = false;
+ std::vector<std::basic_string<uint8_t>> compressed_data;
+ };
+
+ CowCompressionAlgorithm compression_;
+ uint32_t block_size_;
+
+ std::queue<CompressWork> work_queue_;
+ std::queue<CompressWork> compressed_queue_;
+ std::mutex lock_;
+ std::condition_variable cv_;
+ bool stopped_ = false;
+
+ std::basic_string<uint8_t> Compress(const void* data, size_t length);
+ bool CompressBlocks(const void* buffer, size_t num_blocks,
+ std::vector<std::basic_string<uint8_t>>* compressed_data);
+};
+
class CowWriter : public ICowWriter {
public:
explicit CowWriter(const CowOptions& options);
+ ~CowWriter();
// Set up the writer.
// The file starts from the beginning.
@@ -137,6 +188,7 @@
bool EmitBlocks(uint64_t new_block_start, const void* data, size_t size, uint64_t old_block,
uint16_t offset, uint8_t type);
void SetupHeaders();
+ void SetupWriteOptions();
bool ParseOptions();
bool OpenForWrite();
bool OpenForAppend(uint64_t label);
@@ -144,12 +196,16 @@
bool WriteRawData(const void* data, size_t size);
bool WriteOperation(const CowOperation& op, const void* data = nullptr, size_t size = 0);
void AddOperation(const CowOperation& op);
- std::basic_string<uint8_t> Compress(const void* data, size_t length);
void InitPos();
+ void InitBatchWrites();
+ void InitWorkers();
+ bool FlushCluster();
+ bool CompressBlocks(size_t num_blocks, const void* data);
bool SetFd(android::base::borrowed_fd fd);
bool Sync();
bool Truncate(off_t length);
+ bool EnsureSpaceAvailable(const uint64_t bytes_needed) const;
private:
android::base::unique_fd owned_fd_;
@@ -157,18 +213,33 @@
CowHeader header_{};
CowFooter footer_{};
CowCompressionAlgorithm compression_ = kCowCompressNone;
+ uint64_t current_op_pos_ = 0;
uint64_t next_op_pos_ = 0;
uint64_t next_data_pos_ = 0;
+ uint64_t current_data_pos_ = 0;
+ ssize_t total_data_written_ = 0;
uint32_t cluster_size_ = 0;
uint32_t current_cluster_size_ = 0;
uint64_t current_data_size_ = 0;
bool is_dev_null_ = false;
bool merge_in_progress_ = false;
bool is_block_device_ = false;
+ uint64_t cow_image_size_ = INT64_MAX;
- // :TODO: this is not efficient, but stringstream ubsan aborts because some
- // bytes overflow a signed char.
- std::basic_string<uint8_t> ops_;
+ int num_compress_threads_ = 1;
+ std::vector<std::unique_ptr<CompressWorker>> compress_threads_;
+ std::vector<std::future<bool>> threads_;
+ std::vector<std::basic_string<uint8_t>> compressed_buf_;
+ std::vector<std::basic_string<uint8_t>>::iterator buf_iter_;
+
+ std::vector<std::unique_ptr<CowOperation>> opbuffer_vec_;
+ std::vector<std::unique_ptr<uint8_t[]>> databuffer_vec_;
+ std::unique_ptr<struct iovec[]> cowop_vec_;
+ int op_vec_index_ = 0;
+
+ std::unique_ptr<struct iovec[]> data_vec_;
+ int data_vec_index_ = 0;
+ bool batch_write_ = false;
};
} // namespace snapshot
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h b/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h
index cdff06e..9eb89b6 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h
@@ -395,6 +395,10 @@
// first-stage to decide whether to launch snapuserd.
bool IsSnapuserdRequired();
+ // This is primarily used to device reboot. If OTA update is in progress,
+ // init will avoid killing processes
+ bool IsUserspaceSnapshotUpdateInProgress();
+
enum class SnapshotDriver {
DM_SNAPSHOT,
DM_USER,
diff --git a/fs_mgr/libsnapshot/include_test/libsnapshot/test_helpers.h b/fs_mgr/libsnapshot/include_test/libsnapshot/test_helpers.h
index f850b94..24c91a8 100644
--- a/fs_mgr/libsnapshot/include_test/libsnapshot/test_helpers.h
+++ b/fs_mgr/libsnapshot/include_test/libsnapshot/test_helpers.h
@@ -143,6 +143,9 @@
virtual DmDeviceState GetState(const std::string& name) const override {
return impl_.GetState(name);
}
+ virtual bool LoadTable(const std::string& name, const DmTable& table) {
+ return impl_.LoadTable(name, table);
+ }
virtual bool LoadTableAndActivate(const std::string& name, const DmTable& table) {
return impl_.LoadTableAndActivate(name, table);
}
diff --git a/fs_mgr/libsnapshot/libsnapshot_cow/cow_api_test.cpp b/fs_mgr/libsnapshot/libsnapshot_cow/cow_api_test.cpp
index 2c1187f..862ce55 100644
--- a/fs_mgr/libsnapshot/libsnapshot_cow/cow_api_test.cpp
+++ b/fs_mgr/libsnapshot/libsnapshot_cow/cow_api_test.cpp
@@ -298,6 +298,150 @@
ASSERT_TRUE(iter->Done());
}
+class CompressionRWTest : public CowTest, public testing::WithParamInterface<const char*> {};
+
+TEST_P(CompressionRWTest, ThreadedBatchWrites) {
+ CowOptions options;
+ options.compression = GetParam();
+ options.num_compress_threads = 2;
+
+ CowWriter writer(options);
+
+ ASSERT_TRUE(writer.Initialize(cow_->fd));
+
+ std::string xor_data = "This is test data-1. Testing xor";
+ xor_data.resize(options.block_size, '\0');
+ ASSERT_TRUE(writer.AddXorBlocks(50, xor_data.data(), xor_data.size(), 24, 10));
+
+ std::string data = "This is test data-2. Testing replace ops";
+ data.resize(options.block_size * 2048, '\0');
+ ASSERT_TRUE(writer.AddRawBlocks(100, data.data(), data.size()));
+
+ std::string data2 = "This is test data-3. Testing replace ops";
+ data2.resize(options.block_size * 259, '\0');
+ ASSERT_TRUE(writer.AddRawBlocks(6000, data2.data(), data2.size()));
+
+ std::string data3 = "This is test data-4. Testing replace ops";
+ data3.resize(options.block_size, '\0');
+ ASSERT_TRUE(writer.AddRawBlocks(9000, data3.data(), data3.size()));
+
+ ASSERT_TRUE(writer.Finalize());
+
+ int expected_blocks = (1 + 2048 + 259 + 1);
+ ASSERT_EQ(lseek(cow_->fd, 0, SEEK_SET), 0);
+
+ CowReader reader;
+ ASSERT_TRUE(reader.Parse(cow_->fd));
+
+ auto iter = reader.GetOpIter();
+ ASSERT_NE(iter, nullptr);
+
+ int total_blocks = 0;
+ while (!iter->Done()) {
+ auto op = &iter->Get();
+
+ if (op->type == kCowXorOp) {
+ total_blocks += 1;
+ StringSink sink;
+ ASSERT_EQ(op->new_block, 50);
+ ASSERT_EQ(op->source, 98314); // 4096 * 24 + 10
+ ASSERT_TRUE(reader.ReadData(*op, &sink));
+ ASSERT_EQ(sink.stream(), xor_data);
+ }
+
+ if (op->type == kCowReplaceOp) {
+ total_blocks += 1;
+ if (op->new_block == 100) {
+ StringSink sink;
+ ASSERT_TRUE(reader.ReadData(*op, &sink));
+ data.resize(options.block_size);
+ ASSERT_EQ(sink.stream(), data);
+ }
+ if (op->new_block == 6000) {
+ StringSink sink;
+ ASSERT_TRUE(reader.ReadData(*op, &sink));
+ data2.resize(options.block_size);
+ ASSERT_EQ(sink.stream(), data2);
+ }
+ if (op->new_block == 9000) {
+ StringSink sink;
+ ASSERT_TRUE(reader.ReadData(*op, &sink));
+ ASSERT_EQ(sink.stream(), data3);
+ }
+ }
+
+ iter->Next();
+ }
+
+ ASSERT_EQ(total_blocks, expected_blocks);
+}
+
+TEST_P(CompressionRWTest, NoBatchWrites) {
+ CowOptions options;
+ options.compression = GetParam();
+ options.num_compress_threads = 1;
+ options.cluster_ops = 0;
+
+ CowWriter writer(options);
+
+ ASSERT_TRUE(writer.Initialize(cow_->fd));
+
+ std::string data = "Testing replace ops without batch writes";
+ data.resize(options.block_size * 1024, '\0');
+ ASSERT_TRUE(writer.AddRawBlocks(50, data.data(), data.size()));
+
+ std::string data2 = "Testing odd blocks without batch writes";
+ data2.resize(options.block_size * 111, '\0');
+ ASSERT_TRUE(writer.AddRawBlocks(3000, data2.data(), data2.size()));
+
+ std::string data3 = "Testing single 4k block";
+ data3.resize(options.block_size, '\0');
+ ASSERT_TRUE(writer.AddRawBlocks(5000, data3.data(), data3.size()));
+
+ ASSERT_TRUE(writer.Finalize());
+
+ int expected_blocks = (1024 + 111 + 1);
+ ASSERT_EQ(lseek(cow_->fd, 0, SEEK_SET), 0);
+
+ CowReader reader;
+ ASSERT_TRUE(reader.Parse(cow_->fd));
+
+ auto iter = reader.GetOpIter();
+ ASSERT_NE(iter, nullptr);
+
+ int total_blocks = 0;
+ while (!iter->Done()) {
+ auto op = &iter->Get();
+
+ if (op->type == kCowReplaceOp) {
+ total_blocks += 1;
+ if (op->new_block == 50) {
+ StringSink sink;
+ ASSERT_TRUE(reader.ReadData(*op, &sink));
+ data.resize(options.block_size);
+ ASSERT_EQ(sink.stream(), data);
+ }
+ if (op->new_block == 3000) {
+ StringSink sink;
+ ASSERT_TRUE(reader.ReadData(*op, &sink));
+ data2.resize(options.block_size);
+ ASSERT_EQ(sink.stream(), data2);
+ }
+ if (op->new_block == 5000) {
+ StringSink sink;
+ ASSERT_TRUE(reader.ReadData(*op, &sink));
+ ASSERT_EQ(sink.stream(), data3);
+ }
+ }
+
+ iter->Next();
+ }
+
+ ASSERT_EQ(total_blocks, expected_blocks);
+}
+
+INSTANTIATE_TEST_SUITE_P(CowApi, CompressionRWTest, testing::Values("none", "gz", "brotli", "lz4"));
+
TEST_F(CowTest, ClusterCompressGz) {
CowOptions options;
options.compression = "gz";
diff --git a/fs_mgr/libsnapshot/libsnapshot_cow/cow_compress.cpp b/fs_mgr/libsnapshot/libsnapshot_cow/cow_compress.cpp
index e58f45a..9b50986 100644
--- a/fs_mgr/libsnapshot/libsnapshot_cow/cow_compress.cpp
+++ b/fs_mgr/libsnapshot/libsnapshot_cow/cow_compress.cpp
@@ -32,9 +32,13 @@
namespace android {
namespace snapshot {
+std::basic_string<uint8_t> CompressWorker::Compress(const void* data, size_t length) {
+ return Compress(compression_, data, length);
+}
-std::basic_string<uint8_t> CowWriter::Compress(const void* data, size_t length) {
- switch (compression_) {
+std::basic_string<uint8_t> CompressWorker::Compress(CowCompressionAlgorithm compression,
+ const void* data, size_t length) {
+ switch (compression) {
case kCowCompressGz: {
const auto bound = compressBound(length);
std::basic_string<uint8_t> buffer(bound, '\0');
@@ -84,15 +88,140 @@
<< ", compression bound: " << bound << ", ret: " << compressed_size;
return {};
}
- buffer.resize(compressed_size);
+ // Don't run compression if the compressed output is larger
+ if (compressed_size >= length) {
+ buffer.resize(length);
+ memcpy(buffer.data(), data, length);
+ } else {
+ buffer.resize(compressed_size);
+ }
return buffer;
}
default:
- LOG(ERROR) << "unhandled compression type: " << compression_;
+ LOG(ERROR) << "unhandled compression type: " << compression;
break;
}
return {};
}
+bool CompressWorker::CompressBlocks(const void* buffer, size_t num_blocks,
+ std::vector<std::basic_string<uint8_t>>* compressed_data) {
+ return CompressBlocks(compression_, block_size_, buffer, num_blocks, compressed_data);
+}
+
+bool CompressWorker::CompressBlocks(CowCompressionAlgorithm compression, size_t block_size,
+ const void* buffer, size_t num_blocks,
+ std::vector<std::basic_string<uint8_t>>* compressed_data) {
+ const uint8_t* iter = reinterpret_cast<const uint8_t*>(buffer);
+ while (num_blocks) {
+ auto data = Compress(compression, iter, block_size);
+ if (data.empty()) {
+ PLOG(ERROR) << "CompressBlocks: Compression failed";
+ return false;
+ }
+ if (data.size() > std::numeric_limits<uint16_t>::max()) {
+ LOG(ERROR) << "Compressed block is too large: " << data.size();
+ return false;
+ }
+
+ compressed_data->emplace_back(std::move(data));
+ num_blocks -= 1;
+ iter += block_size;
+ }
+ return true;
+}
+
+bool CompressWorker::RunThread() {
+ while (true) {
+ // Wait for work
+ CompressWork blocks;
+ {
+ std::unique_lock<std::mutex> lock(lock_);
+ while (work_queue_.empty() && !stopped_) {
+ cv_.wait(lock);
+ }
+
+ if (stopped_) {
+ return true;
+ }
+
+ blocks = std::move(work_queue_.front());
+ work_queue_.pop();
+ }
+
+ // Compress blocks
+ bool ret = CompressBlocks(blocks.buffer, blocks.num_blocks, &blocks.compressed_data);
+ blocks.compression_status = ret;
+ {
+ std::lock_guard<std::mutex> lock(lock_);
+ compressed_queue_.push(std::move(blocks));
+ }
+
+ // Notify completion
+ cv_.notify_all();
+
+ if (!ret) {
+ LOG(ERROR) << "CompressBlocks failed";
+ return false;
+ }
+ }
+
+ return true;
+}
+
+void CompressWorker::EnqueueCompressBlocks(const void* buffer, size_t num_blocks) {
+ {
+ std::lock_guard<std::mutex> lock(lock_);
+
+ CompressWork blocks = {};
+ blocks.buffer = buffer;
+ blocks.num_blocks = num_blocks;
+ work_queue_.push(std::move(blocks));
+ }
+ cv_.notify_all();
+}
+
+bool CompressWorker::GetCompressedBuffers(std::vector<std::basic_string<uint8_t>>* compressed_buf) {
+ {
+ std::unique_lock<std::mutex> lock(lock_);
+ while (compressed_queue_.empty() && !stopped_) {
+ cv_.wait(lock);
+ }
+
+ if (stopped_) {
+ return true;
+ }
+ }
+
+ {
+ std::lock_guard<std::mutex> lock(lock_);
+ while (compressed_queue_.size() > 0) {
+ CompressWork blocks = std::move(compressed_queue_.front());
+ compressed_queue_.pop();
+
+ if (blocks.compression_status) {
+ compressed_buf->insert(compressed_buf->end(),
+ std::make_move_iterator(blocks.compressed_data.begin()),
+ std::make_move_iterator(blocks.compressed_data.end()));
+ } else {
+ LOG(ERROR) << "Block compression failed";
+ return false;
+ }
+ }
+ }
+
+ return true;
+}
+
+void CompressWorker::Finalize() {
+ {
+ std::unique_lock<std::mutex> lock(lock_);
+ stopped_ = true;
+ }
+ cv_.notify_all();
+}
+
+CompressWorker::CompressWorker(CowCompressionAlgorithm compression, uint32_t block_size)
+ : compression_(compression), block_size_(block_size) {}
} // namespace snapshot
} // namespace android
diff --git a/fs_mgr/libsnapshot/libsnapshot_cow/cow_decompress.cpp b/fs_mgr/libsnapshot/libsnapshot_cow/cow_decompress.cpp
index a4d2277..139a29f 100644
--- a/fs_mgr/libsnapshot/libsnapshot_cow/cow_decompress.cpp
+++ b/fs_mgr/libsnapshot/libsnapshot_cow/cow_decompress.cpp
@@ -273,6 +273,18 @@
<< actual_buffer_size << " bytes";
return false;
}
+ // If input size is same as output size, then input is uncompressed.
+ if (stream_->Size() == output_size) {
+ size_t bytes_read = 0;
+ stream_->Read(output_buffer, output_size, &bytes_read);
+ if (bytes_read != output_size) {
+ LOG(ERROR) << "Failed to read all input at once. Expected: " << output_size
+ << " actual: " << bytes_read;
+ return false;
+ }
+ sink_->ReturnData(output_buffer, output_size);
+ return true;
+ }
std::string input_buffer;
input_buffer.resize(stream_->Size());
size_t bytes_read = 0;
diff --git a/fs_mgr/libsnapshot/libsnapshot_cow/cow_writer.cpp b/fs_mgr/libsnapshot/libsnapshot_cow/cow_writer.cpp
index 015bff0..56b48f0 100644
--- a/fs_mgr/libsnapshot/libsnapshot_cow/cow_writer.cpp
+++ b/fs_mgr/libsnapshot/libsnapshot_cow/cow_writer.cpp
@@ -15,6 +15,7 @@
//
#include <sys/types.h>
+#include <sys/uio.h>
#include <unistd.h>
#include <limits>
@@ -22,6 +23,7 @@
#include <android-base/file.h>
#include <android-base/logging.h>
+#include <android-base/properties.h>
#include <android-base/unique_fd.h>
#include <brotli/encode.h>
#include <libsnapshot/cow_format.h>
@@ -30,9 +32,29 @@
#include <lz4.h>
#include <zlib.h>
+#include <fcntl.h>
+#include <linux/fs.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
namespace android {
namespace snapshot {
+namespace {
+std::string GetFdPath(int fd) {
+ const auto fd_path = "/proc/self/fd/" + std::to_string(fd);
+ std::string file_path(512, '\0');
+ const auto err = readlink(fd_path.c_str(), file_path.data(), file_path.size());
+ if (err <= 0) {
+ PLOG(ERROR) << "Failed to determine path for fd " << fd;
+ file_path.clear();
+ } else {
+ file_path.resize(err);
+ }
+ return file_path;
+}
+} // namespace
+
static_assert(sizeof(off_t) == sizeof(uint64_t));
using android::base::borrowed_fd;
@@ -112,6 +134,46 @@
CowWriter::CowWriter(const CowOptions& options) : ICowWriter(options), fd_(-1) {
SetupHeaders();
+ SetupWriteOptions();
+}
+
+CowWriter::~CowWriter() {
+ for (size_t i = 0; i < compress_threads_.size(); i++) {
+ CompressWorker* worker = compress_threads_[i].get();
+ if (worker) {
+ worker->Finalize();
+ }
+ }
+
+ bool ret = true;
+ for (auto& t : threads_) {
+ ret = t.get() && ret;
+ }
+
+ if (!ret) {
+ LOG(ERROR) << "Compression failed";
+ }
+ compress_threads_.clear();
+}
+
+void CowWriter::SetupWriteOptions() {
+ num_compress_threads_ = options_.num_compress_threads;
+
+ if (!num_compress_threads_) {
+ num_compress_threads_ = 1;
+ // We prefer not to have more than two threads as the overhead of additional
+ // threads is far greater than cutting down compression time.
+ if (header_.cluster_ops &&
+ android::base::GetBoolProperty("ro.virtual_ab.compression.threads", false)) {
+ num_compress_threads_ = 2;
+ }
+ }
+
+ if (header_.cluster_ops &&
+ (android::base::GetBoolProperty("ro.virtual_ab.batch_writes", false) ||
+ options_.batch_write)) {
+ batch_write_ = true;
+ }
}
void CowWriter::SetupHeaders() {
@@ -163,16 +225,69 @@
} else {
fd_ = fd;
- struct stat stat;
+ struct stat stat {};
if (fstat(fd.get(), &stat) < 0) {
PLOG(ERROR) << "fstat failed";
return false;
}
+ const auto file_path = GetFdPath(fd.get());
is_block_device_ = S_ISBLK(stat.st_mode);
+ if (is_block_device_) {
+ uint64_t size_in_bytes = 0;
+ if (ioctl(fd.get(), BLKGETSIZE64, &size_in_bytes)) {
+ PLOG(ERROR) << "Failed to get total size for: " << fd.get();
+ return false;
+ }
+ cow_image_size_ = size_in_bytes;
+ LOG(INFO) << "COW image " << file_path << " has size " << size_in_bytes;
+ } else {
+ LOG(INFO) << "COW image " << file_path
+ << " is not a block device, assuming unlimited space.";
+ }
}
return true;
}
+void CowWriter::InitBatchWrites() {
+ if (batch_write_) {
+ cowop_vec_ = std::make_unique<struct iovec[]>(header_.cluster_ops);
+ data_vec_ = std::make_unique<struct iovec[]>(header_.cluster_ops);
+ struct iovec* cowop_ptr = cowop_vec_.get();
+ struct iovec* data_ptr = data_vec_.get();
+ for (size_t i = 0; i < header_.cluster_ops; i++) {
+ std::unique_ptr<CowOperation> op = std::make_unique<CowOperation>();
+ cowop_ptr[i].iov_base = op.get();
+ cowop_ptr[i].iov_len = sizeof(CowOperation);
+ opbuffer_vec_.push_back(std::move(op));
+
+ std::unique_ptr<uint8_t[]> buffer = std::make_unique<uint8_t[]>(header_.block_size * 2);
+ data_ptr[i].iov_base = buffer.get();
+ data_ptr[i].iov_len = header_.block_size * 2;
+ databuffer_vec_.push_back(std::move(buffer));
+ }
+
+ current_op_pos_ = next_op_pos_;
+ current_data_pos_ = next_data_pos_;
+ }
+
+ std::string batch_write = batch_write_ ? "enabled" : "disabled";
+ LOG(INFO) << "Batch writes: " << batch_write;
+}
+
+void CowWriter::InitWorkers() {
+ if (num_compress_threads_ <= 1) {
+ LOG(INFO) << "Not creating new threads for compression.";
+ return;
+ }
+ for (int i = 0; i < num_compress_threads_; i++) {
+ auto wt = std::make_unique<CompressWorker>(compression_, header_.block_size);
+ threads_.emplace_back(std::async(std::launch::async, &CompressWorker::RunThread, wt.get()));
+ compress_threads_.push_back(std::move(wt));
+ }
+
+ LOG(INFO) << num_compress_threads_ << " thread used for compression";
+}
+
bool CowWriter::Initialize(unique_fd&& fd) {
owned_fd_ = std::move(fd);
return Initialize(borrowed_fd{owned_fd_});
@@ -183,7 +298,12 @@
return false;
}
- return OpenForWrite();
+ if (!OpenForWrite()) {
+ return false;
+ }
+
+ InitWorkers();
+ return true;
}
bool CowWriter::InitializeAppend(android::base::unique_fd&& fd, uint64_t label) {
@@ -196,7 +316,13 @@
return false;
}
- return OpenForAppend(label);
+ bool ret = OpenForAppend(label);
+
+ if (ret && !compress_threads_.size()) {
+ InitWorkers();
+ }
+
+ return ret;
}
void CowWriter::InitPos() {
@@ -207,7 +333,6 @@
} else {
next_data_pos_ = next_op_pos_ + sizeof(CowOperation);
}
- ops_.clear();
current_cluster_size_ = 0;
current_data_size_ = 0;
}
@@ -255,6 +380,7 @@
}
InitPos();
+ InitBatchWrites();
return true;
}
@@ -288,6 +414,9 @@
PLOG(ERROR) << "lseek failed";
return false;
}
+
+ InitBatchWrites();
+
return EmitClusterIfNeeded();
}
@@ -316,46 +445,111 @@
return EmitBlocks(new_block_start, data, size, old_block, offset, kCowXorOp);
}
+bool CowWriter::CompressBlocks(size_t num_blocks, const void* data) {
+ size_t num_threads = (num_blocks == 1) ? 1 : num_compress_threads_;
+ size_t num_blocks_per_thread = num_blocks / num_threads;
+ const uint8_t* iter = reinterpret_cast<const uint8_t*>(data);
+ compressed_buf_.clear();
+ if (num_threads <= 1) {
+ return CompressWorker::CompressBlocks(compression_, options_.block_size, data, num_blocks,
+ &compressed_buf_);
+ }
+
+ // Submit the blocks per thread. The retrieval of
+ // compressed buffers has to be done in the same order.
+ // We should not poll for completed buffers in a different order as the
+ // buffers are tightly coupled with block ordering.
+ for (size_t i = 0; i < num_threads; i++) {
+ CompressWorker* worker = compress_threads_[i].get();
+ if (i == num_threads - 1) {
+ num_blocks_per_thread = num_blocks;
+ }
+ worker->EnqueueCompressBlocks(iter, num_blocks_per_thread);
+ iter += (num_blocks_per_thread * header_.block_size);
+ num_blocks -= num_blocks_per_thread;
+ }
+
+ for (size_t i = 0; i < num_threads; i++) {
+ CompressWorker* worker = compress_threads_[i].get();
+ if (!worker->GetCompressedBuffers(&compressed_buf_)) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
bool CowWriter::EmitBlocks(uint64_t new_block_start, const void* data, size_t size,
uint64_t old_block, uint16_t offset, uint8_t type) {
- const uint8_t* iter = reinterpret_cast<const uint8_t*>(data);
CHECK(!merge_in_progress_);
- for (size_t i = 0; i < size / header_.block_size; i++) {
- CowOperation op = {};
- op.new_block = new_block_start + i;
- op.type = type;
- if (type == kCowXorOp) {
- op.source = (old_block + i) * header_.block_size + offset;
- } else {
- op.source = next_data_pos_;
+ const uint8_t* iter = reinterpret_cast<const uint8_t*>(data);
+
+ // Update engine can potentially send 100MB of blocks at a time. We
+ // don't want to process all those blocks in one shot as it can
+ // stress the memory. Hence, process the blocks in chunks.
+ //
+ // 1024 blocks is reasonable given we will end up using max
+ // memory of ~4MB.
+ const size_t kProcessingBlocks = 1024;
+ size_t num_blocks = (size / header_.block_size);
+ size_t i = 0;
+
+ while (num_blocks) {
+ size_t pending_blocks = (std::min(kProcessingBlocks, num_blocks));
+
+ if (compression_ && num_compress_threads_ > 1) {
+ if (!CompressBlocks(pending_blocks, iter)) {
+ return false;
+ }
+ buf_iter_ = compressed_buf_.begin();
+ CHECK(pending_blocks == compressed_buf_.size());
}
- if (compression_) {
- auto data = Compress(iter, header_.block_size);
- if (data.empty()) {
- PLOG(ERROR) << "AddRawBlocks: compression failed";
- return false;
- }
- if (data.size() > std::numeric_limits<uint16_t>::max()) {
- LOG(ERROR) << "Compressed block is too large: " << data.size() << " bytes";
- return false;
- }
- op.compression = compression_;
- op.data_length = static_cast<uint16_t>(data.size());
+ num_blocks -= pending_blocks;
- if (!WriteOperation(op, data.data(), data.size())) {
- PLOG(ERROR) << "AddRawBlocks: write failed";
- return false;
+ while (i < size / header_.block_size && pending_blocks) {
+ CowOperation op = {};
+ op.new_block = new_block_start + i;
+ op.type = type;
+ if (type == kCowXorOp) {
+ op.source = (old_block + i) * header_.block_size + offset;
+ } else {
+ op.source = next_data_pos_;
}
- } else {
- op.data_length = static_cast<uint16_t>(header_.block_size);
- if (!WriteOperation(op, iter, header_.block_size)) {
- PLOG(ERROR) << "AddRawBlocks: write failed";
- return false;
+
+ if (compression_) {
+ auto data = [&, this]() {
+ if (num_compress_threads_ > 1) {
+ auto data = std::move(*buf_iter_);
+ buf_iter_++;
+ return data;
+ } else {
+ auto data =
+ CompressWorker::Compress(compression_, iter, header_.block_size);
+ return data;
+ }
+ }();
+ op.compression = compression_;
+ op.data_length = static_cast<uint16_t>(data.size());
+
+ if (!WriteOperation(op, data.data(), data.size())) {
+ PLOG(ERROR) << "AddRawBlocks: write failed";
+ return false;
+ }
+ } else {
+ op.data_length = static_cast<uint16_t>(header_.block_size);
+ if (!WriteOperation(op, iter, header_.block_size)) {
+ PLOG(ERROR) << "AddRawBlocks: write failed";
+ return false;
+ }
}
+ iter += header_.block_size;
+
+ i += 1;
+ pending_blocks -= 1;
}
- iter += header_.block_size;
+ CHECK(pending_blocks == 0);
}
return true;
}
@@ -383,7 +577,7 @@
bool CowWriter::EmitSequenceData(size_t num_ops, const uint32_t* data) {
CHECK(!merge_in_progress_);
size_t to_add = 0;
- size_t max_ops = std::numeric_limits<uint16_t>::max() / sizeof(uint32_t);
+ size_t max_ops = (header_.block_size * 2) / sizeof(uint32_t);
while (num_ops > 0) {
CowOperation op = {};
op.type = kCowSequenceOp;
@@ -428,11 +622,15 @@
}
bool CowWriter::Finalize() {
+ if (!FlushCluster()) {
+ LOG(ERROR) << "Finalize: FlushCluster() failed";
+ return false;
+ }
+
auto continue_cluster_size = current_cluster_size_;
auto continue_data_size = current_data_size_;
auto continue_data_pos = next_data_pos_;
auto continue_op_pos = next_op_pos_;
- auto continue_size = ops_.size();
auto continue_num_ops = footer_.op.num_ops;
bool extra_cluster = false;
@@ -458,7 +656,7 @@
extra_cluster = true;
}
- footer_.op.ops_size = ops_.size();
+ footer_.op.ops_size = footer_.op.num_ops * sizeof(CowOperation);
if (lseek(fd_.get(), next_op_pos_, SEEK_SET) < 0) {
PLOG(ERROR) << "Failed to seek to footer position.";
return false;
@@ -466,7 +664,6 @@
memset(&footer_.data.ops_checksum, 0, sizeof(uint8_t) * 32);
memset(&footer_.data.footer_checksum, 0, sizeof(uint8_t) * 32);
- SHA256(ops_.data(), ops_.size(), footer_.data.ops_checksum);
SHA256(&footer_.op, sizeof(footer_.op), footer_.data.footer_checksum);
// Write out footer at end of file
if (!android::base::WriteFully(fd_, reinterpret_cast<const uint8_t*>(&footer_),
@@ -493,8 +690,10 @@
next_data_pos_ = continue_data_pos;
next_op_pos_ = continue_op_pos;
footer_.op.num_ops = continue_num_ops;
- ops_.resize(continue_size);
}
+
+ FlushCluster();
+
return Sync();
}
@@ -516,18 +715,90 @@
return true;
}
+bool CowWriter::EnsureSpaceAvailable(const uint64_t bytes_needed) const {
+ if (bytes_needed > cow_image_size_) {
+ LOG(ERROR) << "No space left on COW device. Required: " << bytes_needed
+ << ", available: " << cow_image_size_;
+ errno = ENOSPC;
+ return false;
+ }
+ return true;
+}
+
+bool CowWriter::FlushCluster() {
+ ssize_t ret;
+
+ if (op_vec_index_) {
+ ret = pwritev(fd_.get(), cowop_vec_.get(), op_vec_index_, current_op_pos_);
+ if (ret != (op_vec_index_ * sizeof(CowOperation))) {
+ PLOG(ERROR) << "pwritev failed for CowOperation. Expected: "
+ << (op_vec_index_ * sizeof(CowOperation));
+ return false;
+ }
+ }
+
+ if (data_vec_index_) {
+ ret = pwritev(fd_.get(), data_vec_.get(), data_vec_index_, current_data_pos_);
+ if (ret != total_data_written_) {
+ PLOG(ERROR) << "pwritev failed for data. Expected: " << total_data_written_;
+ return false;
+ }
+ }
+
+ total_data_written_ = 0;
+ op_vec_index_ = 0;
+ data_vec_index_ = 0;
+ current_op_pos_ = next_op_pos_;
+ current_data_pos_ = next_data_pos_;
+
+ return true;
+}
+
bool CowWriter::WriteOperation(const CowOperation& op, const void* data, size_t size) {
- if (lseek(fd_.get(), next_op_pos_, SEEK_SET) < 0) {
- PLOG(ERROR) << "lseek failed for writing operation.";
+ if (!EnsureSpaceAvailable(next_op_pos_ + sizeof(op))) {
return false;
}
- if (!android::base::WriteFully(fd_, reinterpret_cast<const uint8_t*>(&op), sizeof(op))) {
+ if (!EnsureSpaceAvailable(next_data_pos_ + size)) {
return false;
}
- if (data != nullptr && size > 0) {
- if (!WriteRawData(data, size)) return false;
+
+ if (batch_write_) {
+ CowOperation* cow_op = reinterpret_cast<CowOperation*>(cowop_vec_[op_vec_index_].iov_base);
+ std::memcpy(cow_op, &op, sizeof(CowOperation));
+ op_vec_index_ += 1;
+
+ if (data != nullptr && size > 0) {
+ struct iovec* data_ptr = data_vec_.get();
+ std::memcpy(data_ptr[data_vec_index_].iov_base, data, size);
+ data_ptr[data_vec_index_].iov_len = size;
+ data_vec_index_ += 1;
+ total_data_written_ += size;
+ }
+ } else {
+ if (lseek(fd_.get(), next_op_pos_, SEEK_SET) < 0) {
+ PLOG(ERROR) << "lseek failed for writing operation.";
+ return false;
+ }
+ if (!android::base::WriteFully(fd_, reinterpret_cast<const uint8_t*>(&op), sizeof(op))) {
+ return false;
+ }
+ if (data != nullptr && size > 0) {
+ if (!WriteRawData(data, size)) return false;
+ }
}
+
AddOperation(op);
+
+ if (batch_write_) {
+ if (op_vec_index_ == header_.cluster_ops || data_vec_index_ == header_.cluster_ops ||
+ op.type == kCowLabelOp || op.type == kCowClusterOp) {
+ if (!FlushCluster()) {
+ LOG(ERROR) << "Failed to flush cluster data";
+ return false;
+ }
+ }
+ }
+
return EmitClusterIfNeeded();
}
@@ -544,16 +815,10 @@
next_data_pos_ += op.data_length + GetNextDataOffset(op, header_.cluster_ops);
next_op_pos_ += sizeof(CowOperation) + GetNextOpOffset(op, header_.cluster_ops);
- ops_.insert(ops_.size(), reinterpret_cast<const uint8_t*>(&op), sizeof(op));
}
-bool CowWriter::WriteRawData(const void* data, size_t size) {
- if (lseek(fd_.get(), next_data_pos_, SEEK_SET) < 0) {
- PLOG(ERROR) << "lseek failed for writing data.";
- return false;
- }
-
- if (!android::base::WriteFully(fd_, data, size)) {
+bool CowWriter::WriteRawData(const void* data, const size_t size) {
+ if (!android::base::WriteFullyAtOffset(fd_, data, size, next_data_pos_)) {
return false;
}
return true;
diff --git a/fs_mgr/libsnapshot/run_snapshot_tests.sh b/fs_mgr/libsnapshot/run_snapshot_tests.sh
deleted file mode 100644
index b03a4e0..0000000
--- a/fs_mgr/libsnapshot/run_snapshot_tests.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/system/bin/sh
-
-# Detect host or AOSP.
-getprop ro.build.version.sdk > /dev/null 2>&1
-if [ $? -eq 0 ]; then
- cmd_prefix=""
- local_root=""
-else
- cmd_prefix="adb shell"
- local_root="${ANDROID_PRODUCT_OUT}"
- set -e
- set -x
- adb root
- adb sync data
- set +x
- set +e
-fi
-
-testpath64="/data/nativetest64/vts_libsnapshot_test/vts_libsnapshot_test"
-testpath32="/data/nativetest/vts_libsnapshot_test/vts_libsnapshot_test"
-if [ -f "${local_root}/${testpath64}" ]; then
- testpath="${testpath64}"
-elif [ -f "${local_root}/${testpath32}" ]; then
- testpath="${testpath32}"
-else
- echo "ERROR: vts_libsnapshot_test not found." 1>&2
- echo "Make sure to build vts_libsnapshot_test or snapshot_tests first." 1>&2
- exit 1
-fi
-
-# Verbose, error on failure.
-set -x
-set -e
-
-time ${cmd_prefix} ${testpath}
diff --git a/fs_mgr/libsnapshot/snapshot.cpp b/fs_mgr/libsnapshot/snapshot.cpp
index 6fed09c..961db02 100644
--- a/fs_mgr/libsnapshot/snapshot.cpp
+++ b/fs_mgr/libsnapshot/snapshot.cpp
@@ -1498,6 +1498,7 @@
if (UpdateUsesUserSnapshots(lock) && !device()->IsTestDevice()) {
if (snapuserd_client_) {
snapuserd_client_->DetachSnapuserd();
+ snapuserd_client_->RemoveTransitionedDaemonIndicator();
snapuserd_client_ = nullptr;
}
}
@@ -4349,5 +4350,16 @@
return status.source_build_fingerprint();
}
+bool SnapshotManager::IsUserspaceSnapshotUpdateInProgress() {
+ auto slot = GetCurrentSlot();
+ if (slot == Slot::Target) {
+ if (IsSnapuserdRequired()) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
} // namespace snapshot
} // namespace android
diff --git a/fs_mgr/libsnapshot/snapshot_test.cpp b/fs_mgr/libsnapshot/snapshot_test.cpp
index 2c01cf6..13314da 100644
--- a/fs_mgr/libsnapshot/snapshot_test.cpp
+++ b/fs_mgr/libsnapshot/snapshot_test.cpp
@@ -53,7 +53,15 @@
#include <libsnapshot/mock_device_info.h>
#include <libsnapshot/mock_snapshot.h>
-DEFINE_string(force_mode, "",
+#if defined(LIBSNAPSHOT_TEST_VAB_LEGACY)
+#define DEFAULT_MODE "vab-legacy"
+#elif defined(LIBSNAPSHOT_TEST_VABC_LEGACY)
+#define DEFAULT_MODE "vabc-legacy"
+#else
+#define DEFAULT_MODE ""
+#endif
+
+DEFINE_string(force_mode, DEFAULT_MODE,
"Force testing older modes (vab-legacy, vabc-legacy) ignoring device config.");
DEFINE_string(force_iouring_disable, "",
"Force testing mode (iouring_disabled) - disable io_uring");
@@ -2661,44 +2669,46 @@
"Merge"s;
});
-// Test behavior of ImageManager::Create on low space scenario. These tests assumes image manager
-// uses /data as backup device.
-class ImageManagerTest : public SnapshotTest, public WithParamInterface<uint64_t> {
+class ImageManagerTest : public SnapshotTest {
protected:
void SetUp() override {
SKIP_IF_NON_VIRTUAL_AB();
SnapshotTest::SetUp();
- userdata_ = std::make_unique<LowSpaceUserdata>();
- ASSERT_TRUE(userdata_->Init(GetParam()));
}
void TearDown() override {
RETURN_IF_NON_VIRTUAL_AB();
-
+ CleanUp();
+ }
+ void CleanUp() {
EXPECT_TRUE(!image_manager_->BackingImageExists(kImageName) ||
image_manager_->DeleteBackingImage(kImageName));
}
+
static constexpr const char* kImageName = "my_image";
- std::unique_ptr<LowSpaceUserdata> userdata_;
};
-TEST_P(ImageManagerTest, CreateImageNoSpace) {
- uint64_t to_allocate = userdata_->free_space() + userdata_->bsize();
- auto res = image_manager_->CreateBackingImage(kImageName, to_allocate,
- IImageManager::CREATE_IMAGE_DEFAULT);
- ASSERT_FALSE(res) << "Should not be able to create image with size = " << to_allocate
- << " bytes because only " << userdata_->free_space() << " bytes are free";
- ASSERT_EQ(FiemapStatus::ErrorCode::NO_SPACE, res.error_code()) << res.string();
-}
-
-std::vector<uint64_t> ImageManagerTestParams() {
- std::vector<uint64_t> ret;
+TEST_F(ImageManagerTest, CreateImageNoSpace) {
+ bool at_least_one_failure = false;
for (uint64_t size = 1_MiB; size <= 512_MiB; size *= 2) {
- ret.push_back(size);
- }
- return ret;
-}
+ auto userdata = std::make_unique<LowSpaceUserdata>();
+ ASSERT_TRUE(userdata->Init(size));
-INSTANTIATE_TEST_SUITE_P(ImageManagerTest, ImageManagerTest, ValuesIn(ImageManagerTestParams()));
+ uint64_t to_allocate = userdata->free_space() + userdata->bsize();
+
+ auto res = image_manager_->CreateBackingImage(kImageName, to_allocate,
+ IImageManager::CREATE_IMAGE_DEFAULT);
+ if (!res) {
+ at_least_one_failure = true;
+ } else {
+ ASSERT_EQ(res.error_code(), FiemapStatus::ErrorCode::NO_SPACE) << res.string();
+ }
+
+ CleanUp();
+ }
+
+ ASSERT_TRUE(at_least_one_failure)
+ << "We should have failed to allocate at least one over-sized image";
+}
bool Mkdir(const std::string& path) {
if (mkdir(path.c_str(), 0700) && errno != EEXIST) {
diff --git a/fs_mgr/libsnapshot/snapshot_writer.cpp b/fs_mgr/libsnapshot/snapshot_writer.cpp
index 6aad3d1..82a7fd7 100644
--- a/fs_mgr/libsnapshot/snapshot_writer.cpp
+++ b/fs_mgr/libsnapshot/snapshot_writer.cpp
@@ -93,6 +93,9 @@
std::unique_ptr<FileDescriptor> CompressedSnapshotWriter::OpenReader() {
auto cow = OpenCowReader();
+ if (cow == nullptr) {
+ return nullptr;
+ }
auto reader = std::make_unique<CompressedSnapshotReader>();
if (!reader->SetCow(std::move(cow))) {
diff --git a/fs_mgr/libsnapshot/snapshot_writer_test.cpp b/fs_mgr/libsnapshot/snapshot_writer_test.cpp
index da48eb9..a03632b 100644
--- a/fs_mgr/libsnapshot/snapshot_writer_test.cpp
+++ b/fs_mgr/libsnapshot/snapshot_writer_test.cpp
@@ -33,8 +33,8 @@
TemporaryFile cow_device_file{};
android::snapshot::CowOptions options{.block_size = BLOCK_SIZE};
android::snapshot::CompressedSnapshotWriter snapshot_writer{options};
- snapshot_writer.SetCowDevice(android::base::unique_fd{cow_device_file.fd});
- snapshot_writer.Initialize();
+ ASSERT_TRUE(snapshot_writer.SetCowDevice(android::base::unique_fd{cow_device_file.fd}));
+ ASSERT_TRUE(snapshot_writer.Initialize());
std::vector<unsigned char> buffer;
buffer.resize(BLOCK_SIZE);
std::fill(buffer.begin(), buffer.end(), 123);
diff --git a/fs_mgr/libsnapshot/snapuserd/Android.bp b/fs_mgr/libsnapshot/snapuserd/Android.bp
index 64e0b8a..a67e37c 100644
--- a/fs_mgr/libsnapshot/snapuserd/Android.bp
+++ b/fs_mgr/libsnapshot/snapuserd/Android.bp
@@ -37,11 +37,13 @@
cc_library_static {
name: "libsnapshot_snapuserd",
defaults: [
+ "fs_mgr_defaults",
"libsnapshot_snapuserd_defaults",
],
recovery_available: true,
static_libs: [
"libcutils_sockets",
+ "libfs_mgr",
],
shared_libs: [
"libbase",
@@ -49,6 +51,7 @@
],
export_include_dirs: ["include"],
ramdisk_available: true,
+ vendor_ramdisk_available: true,
}
cc_defaults {
@@ -86,6 +89,7 @@
"libgflags",
"liblog",
"libsnapshot_cow",
+ "libsnapshot_snapuserd",
"libz",
"liblz4",
"libext4_utils",
diff --git a/fs_mgr/libsnapshot/snapuserd/include/snapuserd/snapuserd_client.h b/fs_mgr/libsnapshot/snapuserd/include/snapuserd/snapuserd_client.h
index 4b62b20..010beb3 100644
--- a/fs_mgr/libsnapshot/snapuserd/include/snapuserd/snapuserd_client.h
+++ b/fs_mgr/libsnapshot/snapuserd/include/snapuserd/snapuserd_client.h
@@ -32,6 +32,7 @@
static constexpr char kSnapuserdSocket[] = "snapuserd";
static constexpr char kSnapuserdSocketProxy[] = "snapuserd_proxy";
+static constexpr char kDaemonAliveIndicator[] = "daemon-alive-indicator";
// Ensure that the second-stage daemon for snapuserd is running.
bool EnsureSnapuserdStarted();
@@ -44,9 +45,13 @@
std::string Receivemsg();
bool ValidateConnection();
+ std::string GetDaemonAliveIndicatorPath();
+
+ void WaitForServiceToTerminate(std::chrono::milliseconds timeout_ms);
public:
explicit SnapuserdClient(android::base::unique_fd&& sockfd);
+ SnapuserdClient(){};
static std::unique_ptr<SnapuserdClient> Connect(const std::string& socket_name,
std::chrono::milliseconds timeout_ms);
@@ -91,6 +96,17 @@
// Check the update verification status - invoked by update_verifier during
// boot
bool QueryUpdateVerification();
+
+ // Check if Snapuser daemon is ready post selinux transition after OTA boot
+ // This is invoked only by init as there is no sockets setup yet during
+ // selinux transition
+ bool IsTransitionedDaemonReady();
+
+ // Remove the daemon-alive-indicator path post snapshot merge
+ bool RemoveTransitionedDaemonIndicator();
+
+ // Notify init that snapuserd daemon is ready post selinux transition
+ void NotifyTransitionDaemonIsReady();
};
} // namespace snapshot
diff --git a/fs_mgr/libsnapshot/snapuserd/snapuserd_client.cpp b/fs_mgr/libsnapshot/snapuserd/snapuserd_client.cpp
index e08cf9b..3bed3a4 100644
--- a/fs_mgr/libsnapshot/snapuserd/snapuserd_client.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/snapuserd_client.cpp
@@ -29,10 +29,12 @@
#include <chrono>
#include <sstream>
+#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/parseint.h>
#include <android-base/properties.h>
#include <android-base/strings.h>
+#include <fs_mgr/file_wait.h>
#include <snapuserd/snapuserd_client.h>
namespace android {
@@ -92,6 +94,21 @@
return client;
}
+void SnapuserdClient::WaitForServiceToTerminate(std::chrono::milliseconds timeout_ms) {
+ auto start = std::chrono::steady_clock::now();
+ while (android::base::GetProperty("init.svc.snapuserd", "") == "running") {
+ auto now = std::chrono::steady_clock::now();
+ auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(now - start);
+ if (elapsed >= timeout_ms) {
+ LOG(ERROR) << "Timed out - Snapuserd service did not stop - Forcefully terminating the "
+ "service";
+ android::base::SetProperty("ctl.stop", "snapuserd");
+ return;
+ }
+ std::this_thread::sleep_for(100ms);
+ }
+}
+
bool SnapuserdClient::ValidateConnection() {
if (!Sendmsg("query")) {
return false;
@@ -236,6 +253,8 @@
LOG(ERROR) << "Failed to detach snapuserd.";
return false;
}
+
+ WaitForServiceToTerminate(3s);
return true;
}
@@ -279,5 +298,42 @@
return response == "success";
}
+std::string SnapuserdClient::GetDaemonAliveIndicatorPath() {
+ return "/metadata/ota/" + std::string(kDaemonAliveIndicator);
+}
+
+bool SnapuserdClient::IsTransitionedDaemonReady() {
+ if (!android::fs_mgr::WaitForFile(GetDaemonAliveIndicatorPath(), 10s)) {
+ LOG(ERROR) << "Timed out waiting for daemon indicator path: "
+ << GetDaemonAliveIndicatorPath();
+ return false;
+ }
+
+ return true;
+}
+
+bool SnapuserdClient::RemoveTransitionedDaemonIndicator() {
+ std::string error;
+ std::string filePath = GetDaemonAliveIndicatorPath();
+ if (!android::base::RemoveFileIfExists(filePath, &error)) {
+ LOG(ERROR) << "Failed to remove DaemonAliveIndicatorPath - error: " << error;
+ return false;
+ }
+
+ if (!android::fs_mgr::WaitForFileDeleted(filePath, 5s)) {
+ LOG(ERROR) << "Timed out waiting for " << filePath << " to unlink";
+ return false;
+ }
+
+ return true;
+}
+
+void SnapuserdClient::NotifyTransitionDaemonIsReady() {
+ if (!android::base::WriteStringToFile("1", GetDaemonAliveIndicatorPath())) {
+ PLOG(ERROR) << "Unable to write daemon alive indicator path: "
+ << GetDaemonAliveIndicatorPath();
+ }
+}
+
} // namespace snapshot
} // namespace android
diff --git a/fs_mgr/libsnapshot/snapuserd/snapuserd_daemon.cpp b/fs_mgr/libsnapshot/snapuserd/snapuserd_daemon.cpp
index 2f7775c..bfe93eb 100644
--- a/fs_mgr/libsnapshot/snapuserd/snapuserd_daemon.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/snapuserd_daemon.cpp
@@ -119,6 +119,12 @@
}
}
+ // We reach this point only during selinux transition during device boot.
+ // At this point, all threads are spin up and are ready to serve the I/O
+ // requests for dm-user. Lets inform init.
+ auto client = std::make_unique<SnapuserdClient>();
+ client->NotifyTransitionDaemonIsReady();
+
// Skip the accept() call to avoid spurious log spam. The server will still
// run until all handlers have completed.
return user_server_.WaitForSocket();
diff --git a/fs_mgr/libsnapshot/test_helpers.cpp b/fs_mgr/libsnapshot/test_helpers.cpp
index b05123a..9f1d676 100644
--- a/fs_mgr/libsnapshot/test_helpers.cpp
+++ b/fs_mgr/libsnapshot/test_helpers.cpp
@@ -227,7 +227,7 @@
return AssertionFailure() << "Temp file allocated to " << big_file_->path << ", not in "
<< kUserDataDevice;
}
- uint64_t next_consume = std::min(available_space_ - max_free_space,
+ uint64_t next_consume = std::min(std::max(available_space_, max_free_space) - max_free_space,
(uint64_t)std::numeric_limits<off_t>::max());
off_t allocated = 0;
while (next_consume > 0 && free_space_ > max_free_space) {
diff --git a/fs_mgr/libsnapshot/utility.cpp b/fs_mgr/libsnapshot/utility.cpp
index cadd24d..a98bf0e 100644
--- a/fs_mgr/libsnapshot/utility.cpp
+++ b/fs_mgr/libsnapshot/utility.cpp
@@ -17,6 +17,7 @@
#include <errno.h>
#include <time.h>
+#include <filesystem>
#include <iomanip>
#include <sstream>
@@ -152,6 +153,24 @@
}
}
+bool FsyncDirectory(const char* dirname) {
+ android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(dirname, O_RDONLY | O_CLOEXEC)));
+ if (fd == -1) {
+ PLOG(ERROR) << "Failed to open " << dirname;
+ return false;
+ }
+ if (fsync(fd) == -1) {
+ if (errno == EROFS || errno == EINVAL) {
+ PLOG(WARNING) << "Skip fsync " << dirname
+ << " on a file system does not support synchronization";
+ } else {
+ PLOG(ERROR) << "Failed to fsync " << dirname;
+ return false;
+ }
+ }
+ return true;
+}
+
bool WriteStringToFileAtomic(const std::string& content, const std::string& path) {
const std::string tmp_path = path + ".tmp";
{
@@ -175,11 +194,11 @@
PLOG(ERROR) << "rename failed from " << tmp_path << " to " << path;
return false;
}
- return true;
+ return FsyncDirectory(std::filesystem::path(path).parent_path().c_str());
}
std::ostream& operator<<(std::ostream& os, const Now&) {
- struct tm now;
+ struct tm now {};
time_t t = time(nullptr);
localtime_r(&t, &now);
return os << std::put_time(&now, "%Y%m%d-%H%M%S");
diff --git a/fs_mgr/libsnapshot/utility.h b/fs_mgr/libsnapshot/utility.h
index eff6f10..8c4c7c6 100644
--- a/fs_mgr/libsnapshot/utility.h
+++ b/fs_mgr/libsnapshot/utility.h
@@ -117,6 +117,7 @@
// Note that rename() is an atomic operation. This function may not work properly if there
// is an open fd to |path|, because that fd has an old view of the file.
bool WriteStringToFileAtomic(const std::string& content, const std::string& path);
+bool FsyncDirectory(const char* dirname);
// Writes current time to a given stream.
struct Now {};
diff --git a/fs_mgr/libvbmeta/utility.h b/fs_mgr/libvbmeta/utility.h
index 91db0ad..ab9828d 100644
--- a/fs_mgr/libvbmeta/utility.h
+++ b/fs_mgr/libvbmeta/utility.h
@@ -19,7 +19,7 @@
#include <android-base/logging.h>
#include <android-base/result.h>
-#define VBMETA_TAG "[libvbmeta]"
+#define VBMETA_TAG "[libvbmeta] "
#define LWARN LOG(WARNING) << VBMETA_TAG
#define LINFO LOG(INFO) << VBMETA_TAG
#define LERROR LOG(ERROR) << VBMETA_TAG
diff --git a/fs_mgr/set-verity-state.cpp b/fs_mgr/set-verity-state.cpp
deleted file mode 100644
index 84ee01f..0000000
--- a/fs_mgr/set-verity-state.cpp
+++ /dev/null
@@ -1,258 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <getopt.h>
-#include <stdio.h>
-
-#include <android-base/file.h>
-#include <android-base/logging.h>
-#include <android-base/properties.h>
-#include <binder/ProcessState.h>
-#include <cutils/android_reboot.h>
-#include <fs_mgr_overlayfs.h>
-#include <libavb_user/libavb_user.h>
-
-#include "fs_mgr_priv_overlayfs.h"
-
-using namespace std::string_literals;
-
-namespace {
-
-void print_usage() {
- printf("Usage:\n"
- "\tdisable-verity\n"
- "\tenable-verity\n"
- "\tset-verity-state [0|1]\n"
- "Options:\n"
- "\t-h --help\tthis help\n"
- "\t-R --reboot\tautomatic reboot if needed for new settings to take effect\n"
- "\t-v --verbose\tbe noisy\n");
-}
-
-#ifdef ALLOW_DISABLE_VERITY
-const bool kAllowDisableVerity = true;
-#else
-const bool kAllowDisableVerity = false;
-#endif
-
-static bool SetupOrTeardownOverlayfs(bool enable) {
- bool want_reboot = false;
- if (enable) {
- if (!fs_mgr_overlayfs_setup(nullptr, &want_reboot)) {
- LOG(ERROR) << "Overlayfs setup failed.";
- return want_reboot;
- }
- if (want_reboot) {
- printf("enabling overlayfs\n");
- }
- } else {
- auto rv = fs_mgr_overlayfs_teardown(nullptr, &want_reboot);
- if (rv == OverlayfsTeardownResult::Error) {
- LOG(ERROR) << "Overlayfs teardown failed.";
- return want_reboot;
- }
- if (rv == OverlayfsTeardownResult::Busy) {
- LOG(ERROR) << "Overlayfs is still active until reboot.";
- return true;
- }
- if (want_reboot) {
- printf("disabling overlayfs\n");
- }
- }
- return want_reboot;
-}
-
-/* Helper function to get A/B suffix, if any. If the device isn't
- * using A/B the empty string is returned. Otherwise either "_a",
- * "_b", ... is returned.
- */
-std::string get_ab_suffix() {
- return android::base::GetProperty("ro.boot.slot_suffix", "");
-}
-
-bool is_avb_device_locked() {
- return android::base::GetProperty("ro.boot.vbmeta.device_state", "") == "locked";
-}
-
-bool is_debuggable() {
- return android::base::GetBoolProperty("ro.debuggable", false);
-}
-
-bool is_using_avb() {
- // Figure out if we're using VB1.0 or VB2.0 (aka AVB) - by
- // contract, androidboot.vbmeta.digest is set by the bootloader
- // when using AVB).
- return !android::base::GetProperty("ro.boot.vbmeta.digest", "").empty();
-}
-
-[[noreturn]] void reboot(const std::string& name) {
- LOG(INFO) << "Rebooting device for new settings to take effect";
- ::sync();
- android::base::SetProperty(ANDROID_RB_PROPERTY, "reboot," + name);
- ::sleep(60);
- LOG(ERROR) << "Failed to reboot";
- ::exit(1);
-}
-
-struct SetVerityStateResult {
- bool success = false;
- bool want_reboot = false;
-};
-
-/* Use AVB to turn verity on/off */
-SetVerityStateResult SetVerityState(bool enable_verity) {
- std::string ab_suffix = get_ab_suffix();
- bool verity_enabled = false;
-
- if (is_avb_device_locked()) {
- LOG(ERROR) << "Device must be bootloader unlocked to change verity state";
- return {};
- }
-
- std::unique_ptr<AvbOps, decltype(&avb_ops_user_free)> ops(avb_ops_user_new(),
- &avb_ops_user_free);
- if (!ops) {
- LOG(ERROR) << "Error getting AVB ops";
- return {};
- }
-
- if (!avb_user_verity_get(ops.get(), ab_suffix.c_str(), &verity_enabled)) {
- LOG(ERROR) << "Error getting verity state";
- return {};
- }
-
- if ((verity_enabled && enable_verity) || (!verity_enabled && !enable_verity)) {
- LOG(INFO) << "Verity is already " << (verity_enabled ? "enabled" : "disabled");
- return {.success = true, .want_reboot = false};
- }
-
- if (!avb_user_verity_set(ops.get(), ab_suffix.c_str(), enable_verity)) {
- LOG(ERROR) << "Error setting verity state";
- return {};
- }
-
- LOG(INFO) << "Successfully " << (enable_verity ? "enabled" : "disabled") << " verity";
- return {.success = true, .want_reboot = true};
-}
-
-class MyLogger {
- public:
- explicit MyLogger(bool verbose) : verbose_(verbose) {}
-
- void operator()(android::base::LogId id, android::base::LogSeverity severity, const char* tag,
- const char* file, unsigned int line, const char* message) {
- // Hide log starting with '[fs_mgr]' unless it's an error.
- if (verbose_ || severity >= android::base::ERROR || message[0] != '[') {
- fprintf(stderr, "%s\n", message);
- }
- logd_(id, severity, tag, file, line, message);
- }
-
- private:
- android::base::LogdLogger logd_;
- bool verbose_;
-};
-
-} // namespace
-
-int main(int argc, char* argv[]) {
- bool auto_reboot = false;
- bool verbose = false;
-
- struct option longopts[] = {
- {"help", no_argument, nullptr, 'h'},
- {"reboot", no_argument, nullptr, 'R'},
- {"verbose", no_argument, nullptr, 'v'},
- {0, 0, nullptr, 0},
- };
- for (int opt; (opt = ::getopt_long(argc, argv, "hRv", longopts, nullptr)) != -1;) {
- switch (opt) {
- case 'h':
- print_usage();
- return 0;
- case 'R':
- auto_reboot = true;
- break;
- case 'v':
- verbose = true;
- break;
- default:
- print_usage();
- return 1;
- }
- }
-
- android::base::InitLogging(argv, MyLogger(verbose));
-
- bool enable_verity = false;
- const std::string progname = getprogname();
- if (progname == "enable-verity") {
- enable_verity = true;
- } else if (progname == "disable-verity") {
- enable_verity = false;
- } else if (optind < argc && (argv[optind] == "1"s || argv[optind] == "0"s)) {
- // progname "set-verity-state"
- enable_verity = (argv[optind] == "1"s);
- } else {
- print_usage();
- return 1;
- }
-
- if (!kAllowDisableVerity || !is_debuggable()) {
- errno = EPERM;
- PLOG(ERROR) << "Cannot disable/enable verity on user build";
- return 1;
- }
-
- if (getuid() != 0) {
- errno = EACCES;
- PLOG(ERROR) << "Must be running as root (adb root)";
- return 1;
- }
-
- if (!is_using_avb()) {
- LOG(ERROR) << "Expected AVB device, VB1.0 is no longer supported";
- return 1;
- }
-
- int exit_code = 0;
- bool want_reboot = false;
-
- auto ret = SetVerityState(enable_verity);
- if (ret.success) {
- want_reboot |= ret.want_reboot;
- } else {
- exit_code = 1;
- }
-
- // Disable any overlayfs unconditionally if we want verity enabled.
- // Enable overlayfs only if verity is successfully disabled or is already disabled.
- if (enable_verity || ret.success) {
- // Start a threadpool to service waitForService() callbacks as
- // fs_mgr_overlayfs_* might call waitForService() to get the image service.
- android::ProcessState::self()->startThreadPool();
- want_reboot |= SetupOrTeardownOverlayfs(!enable_verity);
- }
-
- if (want_reboot) {
- if (auto_reboot) {
- reboot(progname);
- }
- printf("Reboot the device for new settings to take effect\n");
- }
-
- return exit_code;
-}
diff --git a/fs_mgr/tests/adb-remount-test.sh b/fs_mgr/tests/adb-remount-test.sh
index 68f8152..c87e564 100755
--- a/fs_mgr/tests/adb-remount-test.sh
+++ b/fs_mgr/tests/adb-remount-test.sh
@@ -1422,9 +1422,12 @@
LOG RUN "flash vendor, and confirm vendor override disappears"
is_bootloader_fastboot=true
-# cuttlefish?
-[[ "$(get_property ro.product.vendor.device)" == vsoc_* ]] &&
- is_bootloader_fastboot=false
+# virtual device?
+case "$(get_property ro.product.vendor.device)" in
+ vsoc_* | emulator_* | emulator64_*)
+ is_bootloader_fastboot=false
+ ;;
+esac
is_userspace_fastboot=false
if ! ${is_bootloader_fastboot}; then
diff --git a/fs_mgr/tests/vts_fs_test.cpp b/fs_mgr/tests/vts_fs_test.cpp
index b8b34e2..bb2ceb9 100644
--- a/fs_mgr/tests/vts_fs_test.cpp
+++ b/fs_mgr/tests/vts_fs_test.cpp
@@ -66,6 +66,14 @@
int vsr_level = GetVsrLevel();
+ std::vector<std::string> must_be_f2fs;
+ if (vsr_level >= __ANDROID_API_T__) {
+ must_be_f2fs.emplace_back("/data");
+ }
+ if (vsr_level >= __ANDROID_API_U__) {
+ must_be_f2fs.emplace_back("/metadata");
+ }
+
for (const auto& entry : fstab) {
std::string parent_bdev = entry.blk_device;
while (true) {
@@ -99,15 +107,15 @@
}
if (entry.flags & MS_RDONLY) {
- std::vector<std::string> allowed = {"erofs", "ext4"};
- if (vsr_level == __ANDROID_API_T__) {
- allowed.emplace_back("f2fs");
- }
+ std::vector<std::string> allowed = {"erofs", "ext4", "f2fs"};
EXPECT_NE(std::find(allowed.begin(), allowed.end(), entry.fs_type), allowed.end())
<< entry.mount_point;
} else {
- EXPECT_NE(entry.fs_type, "ext4") << entry.mount_point;
+ if (std::find(must_be_f2fs.begin(), must_be_f2fs.end(), entry.mount_point) !=
+ must_be_f2fs.end()) {
+ EXPECT_EQ(entry.fs_type, "f2fs") << entry.mount_point;
+ }
}
}
}
diff --git a/fs_mgr/tools/dmctl.cpp b/fs_mgr/tools/dmctl.cpp
index 62ca162..10efd0c 100644
--- a/fs_mgr/tools/dmctl.cpp
+++ b/fs_mgr/tools/dmctl.cpp
@@ -33,6 +33,7 @@
#include <ios>
#include <iostream>
#include <map>
+#include <optional>
#include <sstream>
#include <string>
#include <vector>
@@ -183,6 +184,8 @@
}
std::string control_device = NextArg();
return std::make_unique<DmTargetUser>(start_sector, num_sectors, control_device);
+ } else if (target_type == "error") {
+ return std::make_unique<DmTargetError>(start_sector, num_sectors);
} else {
std::cerr << "Unrecognized target type: " << target_type << std::endl;
return nullptr;
@@ -206,16 +209,26 @@
char** argv_;
};
-static bool parse_table_args(DmTable* table, int argc, char** argv) {
+struct TableArgs {
+ DmTable table;
+ bool suspended = false;
+};
+
+static std::optional<TableArgs> parse_table_args(int argc, char** argv) {
+ TableArgs out;
+
// Parse extended options first.
int arg_index = 1;
while (arg_index < argc && argv[arg_index][0] == '-') {
if (strcmp(argv[arg_index], "-ro") == 0) {
- table->set_readonly(true);
+ out.table.set_readonly(true);
+ arg_index++;
+ } else if (strcmp(argv[arg_index], "-suspended") == 0) {
+ out.suspended = true;
arg_index++;
} else {
std::cerr << "Unrecognized option: " << argv[arg_index] << std::endl;
- return -EINVAL;
+ return {};
}
}
@@ -223,37 +236,44 @@
TargetParser parser(argc - arg_index, argv + arg_index);
while (parser.More()) {
std::unique_ptr<DmTarget> target = parser.Next();
- if (!target || !table->AddTarget(std::move(target))) {
- return -EINVAL;
+ if (!target || !out.table.AddTarget(std::move(target))) {
+ return {};
}
}
- if (table->num_targets() == 0) {
+ if (out.table.num_targets() == 0) {
std::cerr << "Must define at least one target." << std::endl;
- return -EINVAL;
+ return {};
}
- return 0;
+ return {std::move(out)};
}
static int DmCreateCmdHandler(int argc, char** argv) {
if (argc < 1) {
- std::cerr << "Usage: dmctl create <dm-name> [-ro] <targets...>" << std::endl;
+ std::cerr << "Usage: dmctl create <dm-name> [--suspended] [-ro] <targets...>" << std::endl;
return -EINVAL;
}
std::string name = argv[0];
- DmTable table;
- int ret = parse_table_args(&table, argc, argv);
- if (ret) {
- return ret;
+ auto table_args = parse_table_args(argc, argv);
+ if (!table_args) {
+ return -EINVAL;
}
std::string ignore_path;
DeviceMapper& dm = DeviceMapper::Instance();
- if (!dm.CreateDevice(name, table, &ignore_path, 5s)) {
+ if (!dm.CreateEmptyDevice(name)) {
std::cerr << "Failed to create device-mapper device with name: " << name << std::endl;
return -EIO;
}
+ if (!dm.LoadTable(name, table_args->table)) {
+ std::cerr << "Failed to load table for dm device: " << name << std::endl;
+ return -EIO;
+ }
+ if (!table_args->suspended && !dm.ChangeState(name, DmDeviceState::ACTIVE)) {
+ std::cerr << "Failed to activate table for " << name << std::endl;
+ return -EIO;
+ }
return 0;
}
@@ -269,7 +289,6 @@
std::cerr << "Failed to delete [" << name << "]" << std::endl;
return -EIO;
}
-
return 0;
}
@@ -280,17 +299,20 @@
}
std::string name = argv[0];
- DmTable table;
- int ret = parse_table_args(&table, argc, argv);
- if (ret) {
- return ret;
+ auto table_args = parse_table_args(argc, argv);
+ if (!table_args) {
+ return -EINVAL;
}
DeviceMapper& dm = DeviceMapper::Instance();
- if (!dm.LoadTableAndActivate(name, table)) {
+ if (!dm.LoadTable(name, table_args->table)) {
std::cerr << "Failed to replace device-mapper table to: " << name << std::endl;
return -EIO;
}
+ if (!table_args->suspended && !dm.ChangeState(name, DmDeviceState::ACTIVE)) {
+ std::cerr << "Failed to activate table for " << name << std::endl;
+ return -EIO;
+ }
return 0;
}
diff --git a/fs_mgr/tools/dmuserd.cpp b/fs_mgr/tools/dmuserd.cpp
index 6b68b28..da7156c 100644
--- a/fs_mgr/tools/dmuserd.cpp
+++ b/fs_mgr/tools/dmuserd.cpp
@@ -13,6 +13,7 @@
#include <sys/prctl.h>
#include <unistd.h>
#include <iostream>
+#include <string>
#define SECTOR_SIZE ((__u64)512)
#define BUFFER_BYTES 4096
@@ -133,16 +134,16 @@
return 0;
}
-int simple_daemon(char* control_path, char* backing_path) {
- int control_fd = open(control_path, O_RDWR);
+static int simple_daemon(const std::string& control_path, const std::string& backing_path) {
+ int control_fd = open(control_path.c_str(), O_RDWR);
if (control_fd < 0) {
- fprintf(stderr, "Unable to open control device %s\n", control_path);
+ fprintf(stderr, "Unable to open control device %s\n", control_path.c_str());
return -1;
}
- int backing_fd = open(backing_path, O_RDWR);
+ int backing_fd = open(backing_path.c_str(), O_RDWR);
if (backing_fd < 0) {
- fprintf(stderr, "Unable to open backing device %s\n", backing_path);
+ fprintf(stderr, "Unable to open backing device %s\n", backing_path.c_str());
return -1;
}
@@ -286,8 +287,8 @@
}
int main(int argc, char* argv[]) {
- char* control_path = NULL;
- char* backing_path = NULL;
+ std::string control_path;
+ std::string backing_path;
char* store;
int c;
@@ -299,10 +300,10 @@
usage(basename(argv[0]));
exit(0);
case 'c':
- control_path = strdup(optarg);
+ control_path = optarg;
break;
case 'b':
- backing_path = strdup(optarg);
+ backing_path = optarg;
break;
case 'v':
verbose = true;
diff --git a/healthd/Android.bp b/healthd/Android.bp
index a090b74..235303f 100644
--- a/healthd/Android.bp
+++ b/healthd/Android.bp
@@ -2,18 +2,8 @@
default_applicable_licenses: ["Android-Apache-2.0"],
}
-cc_library_headers {
- name: "libhealthd_headers",
- vendor_available: true,
- recovery_available: true,
- export_include_dirs: ["include"],
- header_libs: ["libbatteryservice_headers"],
- export_header_lib_headers: ["libbatteryservice_headers"],
-}
-
-cc_library_static {
- name: "libbatterymonitor",
- srcs: ["BatteryMonitor.cpp"],
+cc_defaults {
+ name: "libbatterymonitor_defaults",
cflags: ["-Wall", "-Werror"],
vendor_available: true,
recovery_available: true,
@@ -25,15 +15,89 @@
// Need HealthInfo definition from headers of these shared
// libraries. Clients don't need to link to these.
"android.hardware.health@2.1",
- "android.hardware.health-V1-ndk",
+ ],
+ header_libs: ["libhealthd_headers"],
+ export_header_lib_headers: ["libhealthd_headers"],
+}
+
+cc_defaults {
+ name: "libhealthd_charger_ui_defaults",
+ vendor_available: true,
+ export_include_dirs: [
+ "include",
+ "include_charger",
+ ],
+
+ static_libs: [
+ "libcharger_sysprop",
+ "libhealthd_draw",
+ "libhealthloop",
+ "libminui",
+ ],
+
+ shared_libs: [
+ "libbase",
+ "libcutils",
+ "liblog",
+ "libpng",
+ "libsuspend",
+ "libutils",
+ ],
+
+ header_libs: [
+ "libhealthd_headers",
+ ],
+
+ srcs: [
+ "healthd_mode_charger.cpp",
+ "AnimationParser.cpp",
+ ],
+
+ target: {
+ vendor: {
+ exclude_static_libs: [
+ "libcharger_sysprop",
+ ],
+ },
+ },
+}
+
+cc_library_headers {
+ name: "libhealthd_headers",
+ vendor_available: true,
+ recovery_available: true,
+ export_include_dirs: ["include"],
+ header_libs: ["libbatteryservice_headers"],
+ export_header_lib_headers: ["libbatteryservice_headers"],
+}
+
+cc_library_static {
+ name: "libbatterymonitor",
+ defaults: ["libbatterymonitor_defaults"],
+ srcs: ["BatteryMonitor.cpp"],
+ static_libs: [
+ "android.hardware.health-V2-ndk",
],
whole_static_libs: [
// Need to translate HIDL to AIDL to support legacy APIs in
// BatteryMonitor.
"android.hardware.health-translate-ndk",
],
- header_libs: ["libhealthd_headers"],
- export_header_lib_headers: ["libhealthd_headers"],
+}
+
+// TODO(b/251425963): remove when android.hardware.health is upgraded to V2.
+cc_library_static {
+ name: "libbatterymonitor-V1",
+ defaults: ["libbatterymonitor_defaults"],
+ srcs: ["BatteryMonitor_v1.cpp"],
+ static_libs: [
+ "android.hardware.health-V1-ndk",
+ ],
+ whole_static_libs: [
+ // Need to translate HIDL to AIDL to support legacy APIs in
+ // BatteryMonitor.
+ "android.hardware.health-translate-V1-ndk",
+ ],
}
cc_defaults {
@@ -136,50 +200,31 @@
cc_library_static {
name: "libhealthd_charger_ui",
- vendor_available: true,
- export_include_dirs: [
- "include",
- "include_charger",
+ defaults: ["libhealthd_charger_ui_defaults"],
+
+ static_libs: [
+ "android.hardware.health-V2-ndk",
+ "android.hardware.health-translate-ndk",
],
+ export_static_lib_headers: [
+ "android.hardware.health-V2-ndk",
+ ],
+}
+
+// TODO(b/251425963): remove when android.hardware.health is upgraded to V2.
+cc_library_static {
+ name: "libhealthd_charger_ui-V1",
+ defaults: ["libhealthd_charger_ui_defaults"],
+
static_libs: [
"android.hardware.health-V1-ndk",
- "android.hardware.health-translate-ndk",
- "libcharger_sysprop",
- "libhealthd_draw",
- "libhealthloop",
- "libminui",
- ],
-
- shared_libs: [
- "libbase",
- "libcutils",
- "liblog",
- "libpng",
- "libsuspend",
- "libutils",
- ],
-
- header_libs: [
- "libhealthd_headers",
+ "android.hardware.health-translate-V1-ndk",
],
export_static_lib_headers: [
"android.hardware.health-V1-ndk",
],
-
- srcs: [
- "healthd_mode_charger.cpp",
- "AnimationParser.cpp",
- ],
-
- target: {
- vendor: {
- exclude_static_libs: [
- "libcharger_sysprop",
- ],
- },
- },
}
cc_library_static {
@@ -235,7 +280,7 @@
static_libs: [
// common
"android.hardware.health@1.0-convert",
- "android.hardware.health-V1-ndk",
+ "android.hardware.health-V2-ndk",
"libbatterymonitor",
"libcharger_sysprop",
"libhealthd_charger_nops",
diff --git a/healthd/BatteryMonitor.cpp b/healthd/BatteryMonitor.cpp
index a7571a2..b180a58 100644
--- a/healthd/BatteryMonitor.cpp
+++ b/healthd/BatteryMonitor.cpp
@@ -55,7 +55,10 @@
using HealthInfo_2_0 = android::hardware::health::V2_0::HealthInfo;
using HealthInfo_2_1 = android::hardware::health::V2_1::HealthInfo;
using aidl::android::hardware::health::BatteryCapacityLevel;
+using aidl::android::hardware::health::BatteryChargingPolicy;
+using aidl::android::hardware::health::BatteryChargingState;
using aidl::android::hardware::health::BatteryHealth;
+using aidl::android::hardware::health::BatteryHealthData;
using aidl::android::hardware::health::BatteryStatus;
using aidl::android::hardware::health::HealthInfo;
@@ -135,6 +138,7 @@
mBatteryDevicePresent(false),
mBatteryFixedCapacity(0),
mBatteryFixedTemperature(0),
+ mBatteryHealthStatus(BatteryMonitor::BH_UNKNOWN),
mHealthInfo(std::make_unique<HealthInfo>()) {
initHealthInfo(mHealthInfo.get());
}
@@ -227,6 +231,54 @@
return *ret;
}
+BatteryHealth getBatteryHealthStatus(int status) {
+ BatteryHealth value;
+
+ if (status == BatteryMonitor::BH_NOMINAL)
+ value = BatteryHealth::GOOD;
+ else if (status == BatteryMonitor::BH_MARGINAL)
+ value = BatteryHealth::FAIR;
+ else if (status == BatteryMonitor::BH_NEEDS_REPLACEMENT)
+ value = BatteryHealth::DEAD;
+ else if (status == BatteryMonitor::BH_FAILED)
+ value = BatteryHealth::UNSPECIFIED_FAILURE;
+ else
+ value = BatteryHealth::UNKNOWN;
+
+ return value;
+}
+
+BatteryChargingPolicy getBatteryChargingPolicy(const char* chargingPolicy) {
+ static SysfsStringEnumMap<BatteryChargingPolicy> batteryChargingPolicyMap[] = {
+ {"0", BatteryChargingPolicy::INVALID}, {"1", BatteryChargingPolicy::DEFAULT},
+ {"2", BatteryChargingPolicy::LONG_LIFE}, {"3", BatteryChargingPolicy::ADAPTIVE},
+ {NULL, BatteryChargingPolicy::DEFAULT},
+ };
+
+ auto ret = mapSysfsString(chargingPolicy, batteryChargingPolicyMap);
+ if (!ret) {
+ *ret = BatteryChargingPolicy::DEFAULT;
+ }
+
+ return *ret;
+}
+
+BatteryChargingState getBatteryChargingState(const char* chargingState) {
+ static SysfsStringEnumMap<BatteryChargingState> batteryChargingStateMap[] = {
+ {"0", BatteryChargingState::INVALID}, {"1", BatteryChargingState::NORMAL},
+ {"2", BatteryChargingState::TOO_COLD}, {"3", BatteryChargingState::TOO_HOT},
+ {"4", BatteryChargingState::LONG_LIFE}, {"5", BatteryChargingState::ADAPTIVE},
+ {NULL, BatteryChargingState::NORMAL},
+ };
+
+ auto ret = mapSysfsString(chargingState, batteryChargingStateMap);
+ if (!ret) {
+ *ret = BatteryChargingState::NORMAL;
+ }
+
+ return *ret;
+}
+
static int readFromFile(const String8& path, std::string* buf) {
buf->clear();
if (android::base::ReadFileToString(path.c_str(), buf)) {
@@ -235,6 +287,10 @@
return buf->length();
}
+static bool writeToFile(const String8& path, int32_t in_value) {
+ return android::base::WriteStringToFile(std::to_string(in_value), path.c_str());
+}
+
static BatteryMonitor::PowerSupplyType readPowerSupplyType(const String8& path) {
static SysfsStringEnumMap<int> supplyTypeMap[] = {
{"Unknown", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_UNKNOWN},
@@ -336,6 +392,20 @@
mHealthInfo->batteryFullChargeDesignCapacityUah =
getIntField(mHealthdConfig->batteryFullChargeDesignCapacityUahPath);
+ if (!mHealthdConfig->batteryStateOfHealthPath.isEmpty())
+ mHealthInfo->batteryStateOfHealth = getIntField(mHealthdConfig->batteryStateOfHealthPath);
+
+ if (!mHealthdConfig->batteryHealthStatusPath.isEmpty())
+ mBatteryHealthStatus = getIntField(mHealthdConfig->batteryHealthStatusPath);
+
+ if (!mHealthdConfig->batteryManufacturingDatePath.isEmpty())
+ mHealthInfo->batteryHealthData->batteryManufacturingDateSeconds =
+ getIntField(mHealthdConfig->batteryManufacturingDatePath);
+
+ if (!mHealthdConfig->batteryFirstUsageDatePath.isEmpty())
+ mHealthInfo->batteryHealthData->batteryFirstUsageSeconds =
+ getIntField(mHealthdConfig->batteryFirstUsageDatePath);
+
mHealthInfo->batteryTemperatureTenthsCelsius =
mBatteryFixedTemperature ? mBatteryFixedTemperature
: getIntField(mHealthdConfig->batteryTemperaturePath);
@@ -348,12 +418,23 @@
if (readFromFile(mHealthdConfig->batteryStatusPath, &buf) > 0)
mHealthInfo->batteryStatus = getBatteryStatus(buf.c_str());
- if (readFromFile(mHealthdConfig->batteryHealthPath, &buf) > 0)
- mHealthInfo->batteryHealth = getBatteryHealth(buf.c_str());
+ // Backward compatible with android.hardware.health V1
+ if (mBatteryHealthStatus < BatteryMonitor::BH_MARGINAL) {
+ if (readFromFile(mHealthdConfig->batteryHealthPath, &buf) > 0)
+ mHealthInfo->batteryHealth = getBatteryHealth(buf.c_str());
+ } else {
+ mHealthInfo->batteryHealth = getBatteryHealthStatus(mBatteryHealthStatus);
+ }
if (readFromFile(mHealthdConfig->batteryTechnologyPath, &buf) > 0)
mHealthInfo->batteryTechnology = String8(buf.c_str());
+ if (readFromFile(mHealthdConfig->chargingPolicyPath, &buf) > 0)
+ mHealthInfo->chargingPolicy = getBatteryChargingPolicy(buf.c_str());
+
+ if (readFromFile(mHealthdConfig->chargingStatePath, &buf) > 0)
+ mHealthInfo->chargingState = getBatteryChargingState(buf.c_str());
+
double MaxPower = 0;
for (size_t i = 0; i < mChargerNames.size(); i++) {
@@ -476,6 +557,43 @@
return static_cast<int>(result);
}
+status_t BatteryMonitor::setChargingPolicy(int value) {
+ status_t ret = NAME_NOT_FOUND;
+ bool result;
+ if (!mHealthdConfig->chargingPolicyPath.isEmpty()) {
+ result = writeToFile(mHealthdConfig->chargingPolicyPath, value);
+ if (!result) {
+ KLOG_WARNING(LOG_TAG, "setChargingPolicy fail\n");
+ ret = BAD_VALUE;
+ } else {
+ ret = OK;
+ }
+ }
+ return ret;
+}
+
+int BatteryMonitor::getChargingPolicy() {
+ BatteryChargingPolicy result = BatteryChargingPolicy::DEFAULT;
+ if (!mHealthdConfig->chargingPolicyPath.isEmpty()) {
+ std::string buf;
+ if (readFromFile(mHealthdConfig->chargingPolicyPath, &buf) > 0)
+ result = getBatteryChargingPolicy(buf.c_str());
+ }
+ return static_cast<int>(result);
+}
+
+int BatteryMonitor::getBatteryHealthData(int id) {
+ if (id == BATTERY_PROP_MANUFACTURING_DATE) {
+ if (!mHealthdConfig->batteryManufacturingDatePath.isEmpty())
+ return getIntField(mHealthdConfig->batteryManufacturingDatePath);
+ }
+ if (id == BATTERY_PROP_FIRST_USAGE_DATE) {
+ if (!mHealthdConfig->batteryFirstUsageDatePath.isEmpty())
+ return getIntField(mHealthdConfig->batteryFirstUsageDatePath);
+ }
+ return 0;
+}
+
status_t BatteryMonitor::getProperty(int id, struct BatteryProperty *val) {
status_t ret = BAD_VALUE;
std::string buf;
@@ -536,6 +654,21 @@
ret = OK;
break;
+ case BATTERY_PROP_CHARGING_POLICY:
+ val->valueInt64 = getChargingPolicy();
+ ret = OK;
+ break;
+
+ case BATTERY_PROP_MANUFACTURING_DATE:
+ val->valueInt64 = getBatteryHealthData(BATTERY_PROP_MANUFACTURING_DATE);
+ ret = OK;
+ break;
+
+ case BATTERY_PROP_FIRST_USAGE_DATE:
+ val->valueInt64 = getBatteryHealthData(BATTERY_PROP_FIRST_USAGE_DATE);
+ ret = OK;
+ break;
+
default:
break;
}
@@ -758,6 +891,50 @@
mHealthdConfig->batteryTechnologyPath = path;
}
+ if (mHealthdConfig->batteryStateOfHealthPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/state_of_health", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0) {
+ mHealthdConfig->batteryStateOfHealthPath = path;
+ } else {
+ path.clear();
+ path.appendFormat("%s/%s/health_index", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryStateOfHealthPath = path;
+ }
+ }
+
+ if (mHealthdConfig->batteryHealthStatusPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/health_status", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0) mHealthdConfig->batteryHealthStatusPath = path;
+ }
+
+ if (mHealthdConfig->batteryManufacturingDatePath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/manufacturing_date", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryManufacturingDatePath = path;
+ }
+
+ if (mHealthdConfig->batteryFirstUsageDatePath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/first_usage_date", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0) mHealthdConfig->batteryFirstUsageDatePath = path;
+ }
+
+ if (mHealthdConfig->chargingStatePath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/charging_state", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0) mHealthdConfig->chargingStatePath = path;
+ }
+
+ if (mHealthdConfig->chargingPolicyPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/charging_policy", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0) mHealthdConfig->chargingPolicyPath = path;
+ }
+
break;
case ANDROID_POWER_SUPPLY_TYPE_UNKNOWN:
@@ -810,6 +987,18 @@
KLOG_WARNING(LOG_TAG, "batteryChargeTimeToFullNowPath. not found\n");
if (mHealthdConfig->batteryFullChargeDesignCapacityUahPath.isEmpty())
KLOG_WARNING(LOG_TAG, "batteryFullChargeDesignCapacityUahPath. not found\n");
+ if (mHealthdConfig->batteryStateOfHealthPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "batteryStateOfHealthPath not found\n");
+ if (mHealthdConfig->batteryHealthStatusPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "batteryHealthStatusPath not found\n");
+ if (mHealthdConfig->batteryManufacturingDatePath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "batteryManufacturingDatePath not found\n");
+ if (mHealthdConfig->batteryFirstUsageDatePath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "batteryFirstUsageDatePath not found\n");
+ if (mHealthdConfig->chargingStatePath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "chargingStatePath not found\n");
+ if (mHealthdConfig->chargingPolicyPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "chargingPolicyPath not found\n");
}
if (property_get("ro.boot.fake_battery", pval, NULL) > 0
diff --git a/healthd/BatteryMonitor_v1.cpp b/healthd/BatteryMonitor_v1.cpp
new file mode 100644
index 0000000..b87c493
--- /dev/null
+++ b/healthd/BatteryMonitor_v1.cpp
@@ -0,0 +1,822 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "healthd"
+
+#include <healthd/healthd.h>
+#include <healthd/BatteryMonitor_v1.h>
+
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <algorithm>
+#include <memory>
+#include <optional>
+
+#include <aidl/android/hardware/health/HealthInfo.h>
+#include <android-base/file.h>
+#include <android-base/parseint.h>
+#include <android-base/strings.h>
+#include <android/hardware/health/2.1/types.h>
+#include <android/hardware/health/translate-ndk.h>
+#include <batteryservice/BatteryService.h>
+#include <cutils/klog.h>
+#include <cutils/properties.h>
+#include <utils/Errors.h>
+#include <utils/String8.h>
+#include <utils/Vector.h>
+
+#define POWER_SUPPLY_SUBSYSTEM "power_supply"
+#define POWER_SUPPLY_SYSFS_PATH "/sys/class/" POWER_SUPPLY_SUBSYSTEM
+#define FAKE_BATTERY_CAPACITY 42
+#define FAKE_BATTERY_TEMPERATURE 424
+#define MILLION 1.0e6
+#define DEFAULT_VBUS_VOLTAGE 5000000
+
+using HealthInfo_1_0 = android::hardware::health::V1_0::HealthInfo;
+using HealthInfo_2_0 = android::hardware::health::V2_0::HealthInfo;
+using HealthInfo_2_1 = android::hardware::health::V2_1::HealthInfo;
+using aidl::android::hardware::health::BatteryCapacityLevel;
+using aidl::android::hardware::health::BatteryHealth;
+using aidl::android::hardware::health::BatteryStatus;
+using aidl::android::hardware::health::HealthInfo;
+
+namespace {
+
+// Translate from AIDL back to HIDL definition for getHealthInfo_*_* calls.
+// Skips storageInfo and diskStats.
+void translateToHidl(const ::aidl::android::hardware::health::HealthInfo& in,
+ ::android::hardware::health::V1_0::HealthInfo* out) {
+ out->chargerAcOnline = in.chargerAcOnline;
+ out->chargerUsbOnline = in.chargerUsbOnline;
+ out->chargerWirelessOnline = in.chargerWirelessOnline;
+ out->maxChargingCurrent = in.maxChargingCurrentMicroamps;
+ out->maxChargingVoltage = in.maxChargingVoltageMicrovolts;
+ out->batteryStatus =
+ static_cast<::android::hardware::health::V1_0::BatteryStatus>(in.batteryStatus);
+ out->batteryHealth =
+ static_cast<::android::hardware::health::V1_0::BatteryHealth>(in.batteryHealth);
+ out->batteryPresent = in.batteryPresent;
+ out->batteryLevel = in.batteryLevel;
+ out->batteryVoltage = in.batteryVoltageMillivolts;
+ out->batteryTemperature = in.batteryTemperatureTenthsCelsius;
+ out->batteryCurrent = in.batteryCurrentMicroamps;
+ out->batteryCycleCount = in.batteryCycleCount;
+ out->batteryFullCharge = in.batteryFullChargeUah;
+ out->batteryChargeCounter = in.batteryChargeCounterUah;
+ out->batteryTechnology = in.batteryTechnology;
+}
+
+void translateToHidl(const ::aidl::android::hardware::health::HealthInfo& in,
+ ::android::hardware::health::V2_0::HealthInfo* out) {
+ translateToHidl(in, &out->legacy);
+ out->batteryCurrentAverage = in.batteryCurrentAverageMicroamps;
+ // Skip storageInfo and diskStats
+}
+
+void translateToHidl(const ::aidl::android::hardware::health::HealthInfo& in,
+ ::android::hardware::health::V2_1::HealthInfo* out) {
+ translateToHidl(in, &out->legacy);
+ out->batteryCapacityLevel = static_cast<android::hardware::health::V2_1::BatteryCapacityLevel>(
+ in.batteryCapacityLevel);
+ out->batteryChargeTimeToFullNowSeconds = in.batteryChargeTimeToFullNowSeconds;
+ out->batteryFullChargeDesignCapacityUah = in.batteryFullChargeDesignCapacityUah;
+}
+
+} // namespace
+
+namespace android {
+
+template <typename T>
+struct SysfsStringEnumMap {
+ const char* s;
+ T val;
+};
+
+template <typename T>
+static std::optional<T> mapSysfsString(const char* str, SysfsStringEnumMap<T> map[]) {
+ for (int i = 0; map[i].s; i++)
+ if (!strcmp(str, map[i].s))
+ return map[i].val;
+
+ return std::nullopt;
+}
+
+static void initHealthInfo(HealthInfo* health_info) {
+ *health_info = {
+ .batteryCapacityLevel = BatteryCapacityLevel::UNSUPPORTED,
+ .batteryChargeTimeToFullNowSeconds =
+ (int64_t)HealthInfo::BATTERY_CHARGE_TIME_TO_FULL_NOW_SECONDS_UNSUPPORTED,
+ .batteryStatus = BatteryStatus::UNKNOWN,
+ .batteryHealth = BatteryHealth::UNKNOWN,
+ };
+}
+
+BatteryMonitor::BatteryMonitor()
+ : mHealthdConfig(nullptr),
+ mBatteryDevicePresent(false),
+ mBatteryFixedCapacity(0),
+ mBatteryFixedTemperature(0),
+ mHealthInfo(std::make_unique<HealthInfo>()) {
+ initHealthInfo(mHealthInfo.get());
+}
+
+BatteryMonitor::~BatteryMonitor() {}
+
+HealthInfo_1_0 BatteryMonitor::getHealthInfo_1_0() const {
+ HealthInfo_1_0 health_info_1_0;
+ translateToHidl(*mHealthInfo, &health_info_1_0);
+ return health_info_1_0;
+}
+
+HealthInfo_2_0 BatteryMonitor::getHealthInfo_2_0() const {
+ HealthInfo_2_0 health_info_2_0;
+ translateToHidl(*mHealthInfo, &health_info_2_0);
+ return health_info_2_0;
+}
+
+HealthInfo_2_1 BatteryMonitor::getHealthInfo_2_1() const {
+ HealthInfo_2_1 health_info_2_1;
+ translateToHidl(*mHealthInfo, &health_info_2_1);
+ return health_info_2_1;
+}
+
+const HealthInfo& BatteryMonitor::getHealthInfo() const {
+ return *mHealthInfo;
+}
+
+BatteryStatus getBatteryStatus(const char* status) {
+ static SysfsStringEnumMap<BatteryStatus> batteryStatusMap[] = {
+ {"Unknown", BatteryStatus::UNKNOWN},
+ {"Charging", BatteryStatus::CHARGING},
+ {"Discharging", BatteryStatus::DISCHARGING},
+ {"Not charging", BatteryStatus::NOT_CHARGING},
+ {"Full", BatteryStatus::FULL},
+ {NULL, BatteryStatus::UNKNOWN},
+ };
+
+ auto ret = mapSysfsString(status, batteryStatusMap);
+ if (!ret) {
+ KLOG_WARNING(LOG_TAG, "Unknown battery status '%s'\n", status);
+ *ret = BatteryStatus::UNKNOWN;
+ }
+
+ return *ret;
+}
+
+BatteryCapacityLevel getBatteryCapacityLevel(const char* capacityLevel) {
+ static SysfsStringEnumMap<BatteryCapacityLevel> batteryCapacityLevelMap[] = {
+ {"Unknown", BatteryCapacityLevel::UNKNOWN},
+ {"Critical", BatteryCapacityLevel::CRITICAL},
+ {"Low", BatteryCapacityLevel::LOW},
+ {"Normal", BatteryCapacityLevel::NORMAL},
+ {"High", BatteryCapacityLevel::HIGH},
+ {"Full", BatteryCapacityLevel::FULL},
+ {NULL, BatteryCapacityLevel::UNSUPPORTED},
+ };
+
+ auto ret = mapSysfsString(capacityLevel, batteryCapacityLevelMap);
+ if (!ret) {
+ KLOG_WARNING(LOG_TAG, "Unsupported battery capacity level '%s'\n", capacityLevel);
+ *ret = BatteryCapacityLevel::UNSUPPORTED;
+ }
+
+ return *ret;
+}
+
+BatteryHealth getBatteryHealth(const char* status) {
+ static SysfsStringEnumMap<BatteryHealth> batteryHealthMap[] = {
+ {"Unknown", BatteryHealth::UNKNOWN},
+ {"Good", BatteryHealth::GOOD},
+ {"Overheat", BatteryHealth::OVERHEAT},
+ {"Dead", BatteryHealth::DEAD},
+ {"Over voltage", BatteryHealth::OVER_VOLTAGE},
+ {"Unspecified failure", BatteryHealth::UNSPECIFIED_FAILURE},
+ {"Cold", BatteryHealth::COLD},
+ // battery health values from JEITA spec
+ {"Warm", BatteryHealth::GOOD},
+ {"Cool", BatteryHealth::GOOD},
+ {"Hot", BatteryHealth::OVERHEAT},
+ {NULL, BatteryHealth::UNKNOWN},
+ };
+
+ auto ret = mapSysfsString(status, batteryHealthMap);
+ if (!ret) {
+ KLOG_WARNING(LOG_TAG, "Unknown battery health '%s'\n", status);
+ *ret = BatteryHealth::UNKNOWN;
+ }
+
+ return *ret;
+}
+
+static int readFromFile(const String8& path, std::string* buf) {
+ buf->clear();
+ if (android::base::ReadFileToString(path.c_str(), buf)) {
+ *buf = android::base::Trim(*buf);
+ }
+ return buf->length();
+}
+
+static BatteryMonitor::PowerSupplyType readPowerSupplyType(const String8& path) {
+ static SysfsStringEnumMap<int> supplyTypeMap[] = {
+ {"Unknown", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_UNKNOWN},
+ {"Battery", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_BATTERY},
+ {"UPS", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"Mains", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"USB", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_USB},
+ {"USB_DCP", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"USB_HVDCP", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"USB_CDP", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"USB_ACA", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"USB_C", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"USB_PD", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+ {"USB_PD_DRP", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_USB},
+ {"Wireless", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_WIRELESS},
+ {"Dock", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_DOCK},
+ {NULL, 0},
+ };
+ std::string buf;
+
+ if (readFromFile(path, &buf) <= 0) {
+ return BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_UNKNOWN;
+ }
+
+ auto ret = mapSysfsString(buf.c_str(), supplyTypeMap);
+ if (!ret) {
+ KLOG_WARNING(LOG_TAG, "Unknown power supply type '%s'\n", buf.c_str());
+ *ret = BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_UNKNOWN;
+ }
+
+ return static_cast<BatteryMonitor::PowerSupplyType>(*ret);
+}
+
+static bool getBooleanField(const String8& path) {
+ std::string buf;
+ bool value = false;
+
+ if (readFromFile(path, &buf) > 0)
+ if (buf[0] != '0')
+ value = true;
+
+ return value;
+}
+
+static int getIntField(const String8& path) {
+ std::string buf;
+ int value = 0;
+
+ if (readFromFile(path, &buf) > 0)
+ android::base::ParseInt(buf, &value);
+
+ return value;
+}
+
+static bool isScopedPowerSupply(const char* name) {
+ constexpr char kScopeDevice[] = "Device";
+
+ String8 path;
+ path.appendFormat("%s/%s/scope", POWER_SUPPLY_SYSFS_PATH, name);
+ std::string scope;
+ return (readFromFile(path, &scope) > 0 && scope == kScopeDevice);
+}
+
+void BatteryMonitor::updateValues(void) {
+ initHealthInfo(mHealthInfo.get());
+
+ if (!mHealthdConfig->batteryPresentPath.isEmpty())
+ mHealthInfo->batteryPresent = getBooleanField(mHealthdConfig->batteryPresentPath);
+ else
+ mHealthInfo->batteryPresent = mBatteryDevicePresent;
+
+ mHealthInfo->batteryLevel = mBatteryFixedCapacity
+ ? mBatteryFixedCapacity
+ : getIntField(mHealthdConfig->batteryCapacityPath);
+ mHealthInfo->batteryVoltageMillivolts = getIntField(mHealthdConfig->batteryVoltagePath) / 1000;
+
+ if (!mHealthdConfig->batteryCurrentNowPath.isEmpty())
+ mHealthInfo->batteryCurrentMicroamps = getIntField(mHealthdConfig->batteryCurrentNowPath);
+
+ if (!mHealthdConfig->batteryFullChargePath.isEmpty())
+ mHealthInfo->batteryFullChargeUah = getIntField(mHealthdConfig->batteryFullChargePath);
+
+ if (!mHealthdConfig->batteryCycleCountPath.isEmpty())
+ mHealthInfo->batteryCycleCount = getIntField(mHealthdConfig->batteryCycleCountPath);
+
+ if (!mHealthdConfig->batteryChargeCounterPath.isEmpty())
+ mHealthInfo->batteryChargeCounterUah =
+ getIntField(mHealthdConfig->batteryChargeCounterPath);
+
+ if (!mHealthdConfig->batteryCurrentAvgPath.isEmpty())
+ mHealthInfo->batteryCurrentAverageMicroamps =
+ getIntField(mHealthdConfig->batteryCurrentAvgPath);
+
+ if (!mHealthdConfig->batteryChargeTimeToFullNowPath.isEmpty())
+ mHealthInfo->batteryChargeTimeToFullNowSeconds =
+ getIntField(mHealthdConfig->batteryChargeTimeToFullNowPath);
+
+ if (!mHealthdConfig->batteryFullChargeDesignCapacityUahPath.isEmpty())
+ mHealthInfo->batteryFullChargeDesignCapacityUah =
+ getIntField(mHealthdConfig->batteryFullChargeDesignCapacityUahPath);
+
+ mHealthInfo->batteryTemperatureTenthsCelsius =
+ mBatteryFixedTemperature ? mBatteryFixedTemperature
+ : getIntField(mHealthdConfig->batteryTemperaturePath);
+
+ std::string buf;
+
+ if (readFromFile(mHealthdConfig->batteryCapacityLevelPath, &buf) > 0)
+ mHealthInfo->batteryCapacityLevel = getBatteryCapacityLevel(buf.c_str());
+
+ if (readFromFile(mHealthdConfig->batteryStatusPath, &buf) > 0)
+ mHealthInfo->batteryStatus = getBatteryStatus(buf.c_str());
+
+ if (readFromFile(mHealthdConfig->batteryHealthPath, &buf) > 0)
+ mHealthInfo->batteryHealth = getBatteryHealth(buf.c_str());
+
+ if (readFromFile(mHealthdConfig->batteryTechnologyPath, &buf) > 0)
+ mHealthInfo->batteryTechnology = String8(buf.c_str());
+
+ double MaxPower = 0;
+
+ for (size_t i = 0; i < mChargerNames.size(); i++) {
+ String8 path;
+ path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH,
+ mChargerNames[i].string());
+ if (getIntField(path)) {
+ path.clear();
+ path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH,
+ mChargerNames[i].string());
+ switch(readPowerSupplyType(path)) {
+ case ANDROID_POWER_SUPPLY_TYPE_AC:
+ mHealthInfo->chargerAcOnline = true;
+ break;
+ case ANDROID_POWER_SUPPLY_TYPE_USB:
+ mHealthInfo->chargerUsbOnline = true;
+ break;
+ case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
+ mHealthInfo->chargerWirelessOnline = true;
+ break;
+ case ANDROID_POWER_SUPPLY_TYPE_DOCK:
+ mHealthInfo->chargerDockOnline = true;
+ break;
+ default:
+ path.clear();
+ path.appendFormat("%s/%s/is_dock", POWER_SUPPLY_SYSFS_PATH,
+ mChargerNames[i].string());
+ if (access(path.string(), R_OK) == 0)
+ mHealthInfo->chargerDockOnline = true;
+ else
+ KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n",
+ mChargerNames[i].string());
+ }
+ path.clear();
+ path.appendFormat("%s/%s/current_max", POWER_SUPPLY_SYSFS_PATH,
+ mChargerNames[i].string());
+ int ChargingCurrent =
+ (access(path.string(), R_OK) == 0) ? getIntField(path) : 0;
+
+ path.clear();
+ path.appendFormat("%s/%s/voltage_max", POWER_SUPPLY_SYSFS_PATH,
+ mChargerNames[i].string());
+
+ int ChargingVoltage =
+ (access(path.string(), R_OK) == 0) ? getIntField(path) :
+ DEFAULT_VBUS_VOLTAGE;
+
+ double power = ((double)ChargingCurrent / MILLION) *
+ ((double)ChargingVoltage / MILLION);
+ if (MaxPower < power) {
+ mHealthInfo->maxChargingCurrentMicroamps = ChargingCurrent;
+ mHealthInfo->maxChargingVoltageMicrovolts = ChargingVoltage;
+ MaxPower = power;
+ }
+ }
+ }
+}
+
+static void doLogValues(const HealthInfo& props, const struct healthd_config& healthd_config) {
+ char dmesgline[256];
+ size_t len;
+ if (props.batteryPresent) {
+ snprintf(dmesgline, sizeof(dmesgline), "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
+ props.batteryLevel, props.batteryVoltageMillivolts,
+ props.batteryTemperatureTenthsCelsius < 0 ? "-" : "",
+ abs(props.batteryTemperatureTenthsCelsius / 10),
+ abs(props.batteryTemperatureTenthsCelsius % 10), props.batteryHealth,
+ props.batteryStatus);
+
+ len = strlen(dmesgline);
+ if (!healthd_config.batteryCurrentNowPath.isEmpty()) {
+ len += snprintf(dmesgline + len, sizeof(dmesgline) - len, " c=%d",
+ props.batteryCurrentMicroamps);
+ }
+
+ if (!healthd_config.batteryFullChargePath.isEmpty()) {
+ len += snprintf(dmesgline + len, sizeof(dmesgline) - len, " fc=%d",
+ props.batteryFullChargeUah);
+ }
+
+ if (!healthd_config.batteryCycleCountPath.isEmpty()) {
+ len += snprintf(dmesgline + len, sizeof(dmesgline) - len, " cc=%d",
+ props.batteryCycleCount);
+ }
+ } else {
+ len = snprintf(dmesgline, sizeof(dmesgline), "battery none");
+ }
+
+ snprintf(dmesgline + len, sizeof(dmesgline) - len, " chg=%s%s%s%s",
+ props.chargerAcOnline ? "a" : "", props.chargerUsbOnline ? "u" : "",
+ props.chargerWirelessOnline ? "w" : "", props.chargerDockOnline ? "d" : "");
+
+ KLOG_WARNING(LOG_TAG, "%s\n", dmesgline);
+}
+
+void BatteryMonitor::logValues(const HealthInfo_2_1& health_info,
+ const struct healthd_config& healthd_config) {
+ HealthInfo aidl_health_info;
+ (void)android::h2a::translate(health_info, &aidl_health_info);
+ doLogValues(aidl_health_info, healthd_config);
+}
+
+void BatteryMonitor::logValues(void) {
+ doLogValues(*mHealthInfo, *mHealthdConfig);
+}
+
+bool BatteryMonitor::isChargerOnline() {
+ const HealthInfo& props = *mHealthInfo;
+ return props.chargerAcOnline | props.chargerUsbOnline | props.chargerWirelessOnline |
+ props.chargerDockOnline;
+}
+
+int BatteryMonitor::getChargeStatus() {
+ BatteryStatus result = BatteryStatus::UNKNOWN;
+ if (!mHealthdConfig->batteryStatusPath.isEmpty()) {
+ std::string buf;
+ if (readFromFile(mHealthdConfig->batteryStatusPath, &buf) > 0)
+ result = getBatteryStatus(buf.c_str());
+ }
+ return static_cast<int>(result);
+}
+
+status_t BatteryMonitor::getProperty(int id, struct BatteryProperty *val) {
+ status_t ret = BAD_VALUE;
+ std::string buf;
+
+ val->valueInt64 = LONG_MIN;
+
+ switch(id) {
+ case BATTERY_PROP_CHARGE_COUNTER:
+ if (!mHealthdConfig->batteryChargeCounterPath.isEmpty()) {
+ val->valueInt64 =
+ getIntField(mHealthdConfig->batteryChargeCounterPath);
+ ret = OK;
+ } else {
+ ret = NAME_NOT_FOUND;
+ }
+ break;
+
+ case BATTERY_PROP_CURRENT_NOW:
+ if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
+ val->valueInt64 =
+ getIntField(mHealthdConfig->batteryCurrentNowPath);
+ ret = OK;
+ } else {
+ ret = NAME_NOT_FOUND;
+ }
+ break;
+
+ case BATTERY_PROP_CURRENT_AVG:
+ if (!mHealthdConfig->batteryCurrentAvgPath.isEmpty()) {
+ val->valueInt64 =
+ getIntField(mHealthdConfig->batteryCurrentAvgPath);
+ ret = OK;
+ } else {
+ ret = NAME_NOT_FOUND;
+ }
+ break;
+
+ case BATTERY_PROP_CAPACITY:
+ if (!mHealthdConfig->batteryCapacityPath.isEmpty()) {
+ val->valueInt64 =
+ getIntField(mHealthdConfig->batteryCapacityPath);
+ ret = OK;
+ } else {
+ ret = NAME_NOT_FOUND;
+ }
+ break;
+
+ case BATTERY_PROP_ENERGY_COUNTER:
+ if (mHealthdConfig->energyCounter) {
+ ret = mHealthdConfig->energyCounter(&val->valueInt64);
+ } else {
+ ret = NAME_NOT_FOUND;
+ }
+ break;
+
+ case BATTERY_PROP_BATTERY_STATUS:
+ val->valueInt64 = getChargeStatus();
+ ret = OK;
+ break;
+
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+void BatteryMonitor::dumpState(int fd) {
+ int v;
+ char vs[128];
+ const HealthInfo& props = *mHealthInfo;
+
+ snprintf(vs, sizeof(vs),
+ "ac: %d usb: %d wireless: %d dock: %d current_max: %d voltage_max: %d\n",
+ props.chargerAcOnline, props.chargerUsbOnline, props.chargerWirelessOnline,
+ props.chargerDockOnline, props.maxChargingCurrentMicroamps,
+ props.maxChargingVoltageMicrovolts);
+ write(fd, vs, strlen(vs));
+ snprintf(vs, sizeof(vs), "status: %d health: %d present: %d\n",
+ props.batteryStatus, props.batteryHealth, props.batteryPresent);
+ write(fd, vs, strlen(vs));
+ snprintf(vs, sizeof(vs), "level: %d voltage: %d temp: %d\n", props.batteryLevel,
+ props.batteryVoltageMillivolts, props.batteryTemperatureTenthsCelsius);
+ write(fd, vs, strlen(vs));
+
+ if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
+ v = getIntField(mHealthdConfig->batteryCurrentNowPath);
+ snprintf(vs, sizeof(vs), "current now: %d\n", v);
+ write(fd, vs, strlen(vs));
+ }
+
+ if (!mHealthdConfig->batteryCurrentAvgPath.isEmpty()) {
+ v = getIntField(mHealthdConfig->batteryCurrentAvgPath);
+ snprintf(vs, sizeof(vs), "current avg: %d\n", v);
+ write(fd, vs, strlen(vs));
+ }
+
+ if (!mHealthdConfig->batteryChargeCounterPath.isEmpty()) {
+ v = getIntField(mHealthdConfig->batteryChargeCounterPath);
+ snprintf(vs, sizeof(vs), "charge counter: %d\n", v);
+ write(fd, vs, strlen(vs));
+ }
+
+ if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
+ snprintf(vs, sizeof(vs), "current now: %d\n", props.batteryCurrentMicroamps);
+ write(fd, vs, strlen(vs));
+ }
+
+ if (!mHealthdConfig->batteryCycleCountPath.isEmpty()) {
+ snprintf(vs, sizeof(vs), "cycle count: %d\n", props.batteryCycleCount);
+ write(fd, vs, strlen(vs));
+ }
+
+ if (!mHealthdConfig->batteryFullChargePath.isEmpty()) {
+ snprintf(vs, sizeof(vs), "Full charge: %d\n", props.batteryFullChargeUah);
+ write(fd, vs, strlen(vs));
+ }
+}
+
+void BatteryMonitor::init(struct healthd_config *hc) {
+ String8 path;
+ char pval[PROPERTY_VALUE_MAX];
+
+ mHealthdConfig = hc;
+ std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(POWER_SUPPLY_SYSFS_PATH), closedir);
+ if (dir == NULL) {
+ KLOG_ERROR(LOG_TAG, "Could not open %s\n", POWER_SUPPLY_SYSFS_PATH);
+ } else {
+ struct dirent* entry;
+
+ while ((entry = readdir(dir.get()))) {
+ const char* name = entry->d_name;
+
+ if (!strcmp(name, ".") || !strcmp(name, ".."))
+ continue;
+
+ std::vector<String8>::iterator itIgnoreName =
+ find(hc->ignorePowerSupplyNames.begin(), hc->ignorePowerSupplyNames.end(),
+ String8(name));
+ if (itIgnoreName != hc->ignorePowerSupplyNames.end())
+ continue;
+
+ // Look for "type" file in each subdirectory
+ path.clear();
+ path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH, name);
+ switch(readPowerSupplyType(path)) {
+ case ANDROID_POWER_SUPPLY_TYPE_AC:
+ case ANDROID_POWER_SUPPLY_TYPE_USB:
+ case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
+ case ANDROID_POWER_SUPPLY_TYPE_DOCK:
+ path.clear();
+ path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path.string(), R_OK) == 0)
+ mChargerNames.add(String8(name));
+ break;
+
+ case ANDROID_POWER_SUPPLY_TYPE_BATTERY:
+ // Some devices expose the battery status of sub-component like
+ // stylus. Such a device-scoped battery info needs to be skipped
+ // in BatteryMonitor, which is intended to report the status of
+ // the battery supplying the power to the whole system.
+ if (isScopedPowerSupply(name)) continue;
+ mBatteryDevicePresent = true;
+
+ if (mHealthdConfig->batteryStatusPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/status", POWER_SUPPLY_SYSFS_PATH,
+ name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryStatusPath = path;
+ }
+
+ if (mHealthdConfig->batteryHealthPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/health", POWER_SUPPLY_SYSFS_PATH,
+ name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryHealthPath = path;
+ }
+
+ if (mHealthdConfig->batteryPresentPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/present", POWER_SUPPLY_SYSFS_PATH,
+ name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryPresentPath = path;
+ }
+
+ if (mHealthdConfig->batteryCapacityPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/capacity", POWER_SUPPLY_SYSFS_PATH,
+ name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryCapacityPath = path;
+ }
+
+ if (mHealthdConfig->batteryVoltagePath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/voltage_now",
+ POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0) {
+ mHealthdConfig->batteryVoltagePath = path;
+ }
+ }
+
+ if (mHealthdConfig->batteryFullChargePath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/charge_full",
+ POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryFullChargePath = path;
+ }
+
+ if (mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/current_now",
+ POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryCurrentNowPath = path;
+ }
+
+ if (mHealthdConfig->batteryCycleCountPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/cycle_count",
+ POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryCycleCountPath = path;
+ }
+
+ if (mHealthdConfig->batteryCapacityLevelPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/capacity_level", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0) mHealthdConfig->batteryCapacityLevelPath = path;
+ }
+
+ if (mHealthdConfig->batteryChargeTimeToFullNowPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/time_to_full_now", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryChargeTimeToFullNowPath = path;
+ }
+
+ if (mHealthdConfig->batteryFullChargeDesignCapacityUahPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/charge_full_design", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryFullChargeDesignCapacityUahPath = path;
+ }
+
+ if (mHealthdConfig->batteryCurrentAvgPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/current_avg",
+ POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryCurrentAvgPath = path;
+ }
+
+ if (mHealthdConfig->batteryChargeCounterPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/charge_counter",
+ POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryChargeCounterPath = path;
+ }
+
+ if (mHealthdConfig->batteryTemperaturePath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/temp", POWER_SUPPLY_SYSFS_PATH,
+ name);
+ if (access(path, R_OK) == 0) {
+ mHealthdConfig->batteryTemperaturePath = path;
+ }
+ }
+
+ if (mHealthdConfig->batteryTechnologyPath.isEmpty()) {
+ path.clear();
+ path.appendFormat("%s/%s/technology",
+ POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path, R_OK) == 0)
+ mHealthdConfig->batteryTechnologyPath = path;
+ }
+
+ break;
+
+ case ANDROID_POWER_SUPPLY_TYPE_UNKNOWN:
+ break;
+ }
+
+ // Look for "is_dock" file
+ path.clear();
+ path.appendFormat("%s/%s/is_dock", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path.string(), R_OK) == 0) {
+ path.clear();
+ path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH, name);
+ if (access(path.string(), R_OK) == 0)
+ mChargerNames.add(String8(name));
+
+ }
+ }
+ }
+
+ // Typically the case for devices which do not have a battery and
+ // and are always plugged into AC mains.
+ if (!mBatteryDevicePresent) {
+ KLOG_WARNING(LOG_TAG, "No battery devices found\n");
+ hc->periodic_chores_interval_fast = -1;
+ hc->periodic_chores_interval_slow = -1;
+ } else {
+ if (mHealthdConfig->batteryStatusPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryStatusPath not found\n");
+ if (mHealthdConfig->batteryHealthPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryHealthPath not found\n");
+ if (mHealthdConfig->batteryPresentPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryPresentPath not found\n");
+ if (mHealthdConfig->batteryCapacityPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryCapacityPath not found\n");
+ if (mHealthdConfig->batteryVoltagePath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryVoltagePath not found\n");
+ if (mHealthdConfig->batteryTemperaturePath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryTemperaturePath not found\n");
+ if (mHealthdConfig->batteryTechnologyPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryTechnologyPath not found\n");
+ if (mHealthdConfig->batteryCurrentNowPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryCurrentNowPath not found\n");
+ if (mHealthdConfig->batteryFullChargePath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryFullChargePath not found\n");
+ if (mHealthdConfig->batteryCycleCountPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "BatteryCycleCountPath not found\n");
+ if (mHealthdConfig->batteryCapacityLevelPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "batteryCapacityLevelPath not found\n");
+ if (mHealthdConfig->batteryChargeTimeToFullNowPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "batteryChargeTimeToFullNowPath. not found\n");
+ if (mHealthdConfig->batteryFullChargeDesignCapacityUahPath.isEmpty())
+ KLOG_WARNING(LOG_TAG, "batteryFullChargeDesignCapacityUahPath. not found\n");
+ }
+
+ if (property_get("ro.boot.fake_battery", pval, NULL) > 0
+ && strtol(pval, NULL, 10) != 0) {
+ mBatteryFixedCapacity = FAKE_BATTERY_CAPACITY;
+ mBatteryFixedTemperature = FAKE_BATTERY_TEMPERATURE;
+ }
+}
+
+}; // namespace android
diff --git a/healthd/include/healthd/BatteryMonitor.h b/healthd/include/healthd/BatteryMonitor.h
index 8cbf5ea..7b4f46c 100644
--- a/healthd/include/healthd/BatteryMonitor.h
+++ b/healthd/include/healthd/BatteryMonitor.h
@@ -56,6 +56,14 @@
ANDROID_POWER_SUPPLY_TYPE_DOCK
};
+ enum BatteryHealthStatus {
+ BH_UNKNOWN = -1,
+ BH_NOMINAL,
+ BH_MARGINAL,
+ BH_NEEDS_REPLACEMENT,
+ BH_FAILED,
+ };
+
BatteryMonitor();
~BatteryMonitor();
void init(struct healthd_config *hc);
@@ -72,6 +80,10 @@
void logValues(void);
bool isChargerOnline();
+ int setChargingPolicy(int value);
+ int getChargingPolicy();
+ int getBatteryHealthData(int id);
+
static void logValues(const android::hardware::health::V2_1::HealthInfo& health_info,
const struct healthd_config& healthd_config);
@@ -81,6 +93,7 @@
bool mBatteryDevicePresent;
int mBatteryFixedCapacity;
int mBatteryFixedTemperature;
+ int mBatteryHealthStatus;
std::unique_ptr<aidl::android::hardware::health::HealthInfo> mHealthInfo;
};
diff --git a/healthd/include/healthd/BatteryMonitor_v1.h b/healthd/include/healthd/BatteryMonitor_v1.h
new file mode 100644
index 0000000..49f6f9d
--- /dev/null
+++ b/healthd/include/healthd/BatteryMonitor_v1.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef HEALTHD_BATTERYMONITOR_V1_H
+#define HEALTHD_BATTERYMONITOR_V1_H
+
+#include <memory>
+
+#include <batteryservice/BatteryService.h>
+#include <utils/String8.h>
+#include <utils/Vector.h>
+
+#include <healthd/healthd.h>
+
+namespace aidl::android::hardware::health {
+class HealthInfo;
+} // namespace aidl::android::hardware::health
+
+namespace android {
+namespace hardware {
+namespace health {
+namespace V1_0 {
+struct HealthInfo;
+} // namespace V1_0
+namespace V2_0 {
+struct HealthInfo;
+} // namespace V2_0
+namespace V2_1 {
+struct HealthInfo;
+} // namespace V2_1
+} // namespace health
+} // namespace hardware
+
+class BatteryMonitor {
+ public:
+
+ enum PowerSupplyType {
+ ANDROID_POWER_SUPPLY_TYPE_UNKNOWN = 0,
+ ANDROID_POWER_SUPPLY_TYPE_AC,
+ ANDROID_POWER_SUPPLY_TYPE_USB,
+ ANDROID_POWER_SUPPLY_TYPE_WIRELESS,
+ ANDROID_POWER_SUPPLY_TYPE_BATTERY,
+ ANDROID_POWER_SUPPLY_TYPE_DOCK
+ };
+
+ BatteryMonitor();
+ ~BatteryMonitor();
+ void init(struct healthd_config *hc);
+ int getChargeStatus();
+ status_t getProperty(int id, struct BatteryProperty *val);
+ void dumpState(int fd);
+
+ android::hardware::health::V1_0::HealthInfo getHealthInfo_1_0() const;
+ android::hardware::health::V2_0::HealthInfo getHealthInfo_2_0() const;
+ android::hardware::health::V2_1::HealthInfo getHealthInfo_2_1() const;
+ const aidl::android::hardware::health::HealthInfo& getHealthInfo() const;
+
+ void updateValues(void);
+ void logValues(void);
+ bool isChargerOnline();
+
+ static void logValues(const android::hardware::health::V2_1::HealthInfo& health_info,
+ const struct healthd_config& healthd_config);
+
+ private:
+ struct healthd_config *mHealthdConfig;
+ Vector<String8> mChargerNames;
+ bool mBatteryDevicePresent;
+ int mBatteryFixedCapacity;
+ int mBatteryFixedTemperature;
+ std::unique_ptr<aidl::android::hardware::health::HealthInfo> mHealthInfo;
+};
+
+}; // namespace android
+
+#endif // HEALTHD_BATTERYMONITOR_V1_H
diff --git a/healthd/include/healthd/healthd.h b/healthd/include/healthd/healthd.h
index 706c332..688e458 100644
--- a/healthd/include/healthd/healthd.h
+++ b/healthd/include/healthd/healthd.h
@@ -72,6 +72,12 @@
android::String8 batteryCapacityLevelPath;
android::String8 batteryChargeTimeToFullNowPath;
android::String8 batteryFullChargeDesignCapacityUahPath;
+ android::String8 batteryStateOfHealthPath;
+ android::String8 batteryHealthStatusPath;
+ android::String8 batteryManufacturingDatePath;
+ android::String8 batteryFirstUsageDatePath;
+ android::String8 chargingStatePath;
+ android::String8 chargingPolicyPath;
int (*energyCounter)(int64_t *);
int boot_min_cap;
diff --git a/init/Android.bp b/init/Android.bp
index f6f1e8c..1aba4b3 100644
--- a/init/Android.bp
+++ b/init/Android.bp
@@ -39,6 +39,7 @@
"epoll.cpp",
"import_parser.cpp",
"interface_utils.cpp",
+ "interprocess_fifo.cpp",
"keychords.cpp",
"parser.cpp",
"property_type.cpp",
@@ -108,21 +109,22 @@
misc_undefined: ["signed-integer-overflow"],
},
cflags: [
- "-DLOG_UEVENTS=0",
- "-Wall",
- "-Wextra",
- "-Wno-unused-parameter",
- "-Werror",
- "-Wthread-safety",
"-DALLOW_FIRST_STAGE_CONSOLE=0",
"-DALLOW_LOCAL_PROP_OVERRIDE=0",
"-DALLOW_PERMISSIVE_SELINUX=0",
- "-DREBOOT_BOOTLOADER_ON_PANIC=0",
- "-DWORLD_WRITABLE_KMSG=0",
+ "-DANDROID_BASE_UNIQUE_FD_DISABLE_IMPLICIT_CONVERSION",
"-DDUMP_ON_UMOUNT_FAILURE=0",
- "-DSHUTDOWN_ZERO_TIMEOUT=0",
"-DINIT_FULL_SOURCES",
"-DINSTALL_DEBUG_POLICY_TO_SYSTEM_EXT=0",
+ "-DLOG_UEVENTS=0",
+ "-DREBOOT_BOOTLOADER_ON_PANIC=0",
+ "-DSHUTDOWN_ZERO_TIMEOUT=0",
+ "-DWORLD_WRITABLE_KMSG=0",
+ "-Wall",
+ "-Werror",
+ "-Wextra",
+ "-Wno-unused-parameter",
+ "-Wthread-safety",
],
product_variables: {
debuggable: {
@@ -452,21 +454,14 @@
defaults: ["init_defaults"],
require_root: true,
- compile_multilib: "both",
- multilib: {
- lib32: {
- suffix: "32",
- },
- lib64: {
- suffix: "64",
- },
- },
+ compile_multilib: "first",
srcs: [
"devices_test.cpp",
"epoll_test.cpp",
"firmware_handler_test.cpp",
"init_test.cpp",
+ "interprocess_fifo_test.cpp",
"keychords_test.cpp",
"oneshot_on_test.cpp",
"persistent_properties_test.cpp",
@@ -481,7 +476,10 @@
"ueventd_test.cpp",
"util_test.cpp",
],
- static_libs: ["libinit"],
+ static_libs: [
+ "libgmock",
+ "libinit",
+ ],
test_suites: [
"cts",
diff --git a/init/AndroidTest.xml b/init/AndroidTest.xml
index 6f22ab7..8b05484 100644
--- a/init/AndroidTest.xml
+++ b/init/AndroidTest.xml
@@ -22,7 +22,6 @@
<target_preparer class="com.android.compatibility.common.tradefed.targetprep.FilePusher">
<option name="cleanup" value="true" />
<option name="push" value="CtsInitTestCases->/data/local/tmp/CtsInitTestCases" />
- <option name="append-bitness" value="true" />
</target_preparer>
<target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
<option name="throw-on-error" value="false" />
diff --git a/init/OWNERS b/init/OWNERS
index 4604d06..68b9396 100644
--- a/init/OWNERS
+++ b/init/OWNERS
@@ -1,2 +1,3 @@
+# Bug component: 1312227
dvander@google.com
jiyong@google.com
diff --git a/init/README.md b/init/README.md
index 6596528..b006365 100644
--- a/init/README.md
+++ b/init/README.md
@@ -162,6 +162,28 @@
setprop e 1
setprop f 2
+If the property `true` wasn't `true` when the `boot` was triggered, then the
+order of the commands executed will be:
+
+ setprop a 1
+ setprop b 2
+ setprop e 1
+ setprop f 2
+
+If the property `true` becomes `true` *AFTER* `boot` was triggered, nothing will
+be executed. The condition `boot && property:true=true` will be evaluated to
+false because the `boot` trigger is a past event.
+
+Note that when `ro.property_service.async_persist_writes` is `true`, there is no
+defined ordering between persistent setprops and non-persistent setprops. For
+example:
+
+ on boot
+ setprop a 1
+ setprop persist.b 2
+
+When `ro.property_service.async_persist_writes` is `true`, triggers for these
+two properties may execute in any order.
Services
--------
@@ -184,8 +206,10 @@
capability without the "CAP\_" prefix, like "NET\_ADMIN" or "SETPCAP". See
http://man7.org/linux/man-pages/man7/capabilities.7.html for a list of Linux
capabilities.
- If no capabilities are provided, then all capabilities are removed from this service, even if it
- runs as root.
+ If no capabilities are provided, then behaviour depends on the user the service runs under:
+ * if it's root, then the service will run with all the capabitilies (note: whether the
+ service can actually use them is controlled by selinux);
+ * otherwise all capabilities will be dropped.
`class <name> [ <name>\* ]`
> Specify class names for the service. All services in a
@@ -231,6 +255,10 @@
"r", "w" or "rw". For native executables see libcutils
android\_get\_control\_file().
+`gentle_kill`
+> This service will be sent SIGTERM instead of SIGKILL when stopped. After a 200 ms timeout, it will
+ be sent SIGKILL.
+
`group <groupname> [ <groupname>\* ]`
> Change to 'groupname' before exec'ing this service. Additional
groupnames beyond the (required) first one are used to set the
@@ -399,7 +427,7 @@
using this new mechanism, processes can use the user option to
select their desired uid without ever running as root.
As of Android O, processes can also request capabilities directly in their .rc
- files. See the "capabilities" option below.
+ files. See the "capabilities" option above.
`writepid <file> [ <file>\* ]`
> Write the child's pid to the given files when it forks. Meant for
@@ -433,7 +461,9 @@
For example:
`on boot && property:a=b` defines an action that is only executed when
-the 'boot' event trigger happens and the property a equals b.
+the 'boot' event trigger happens and the property a equals b at the moment. This
+will NOT be executed when the property a transitions to value b after the `boot`
+event was triggered.
`on property:a=b && property:c=d` defines an action that is executed
at three times:
diff --git a/init/apex_init_util.cpp b/init/apex_init_util.cpp
index d618a6e..c818f8f 100644
--- a/init/apex_init_util.cpp
+++ b/init/apex_init_util.cpp
@@ -18,7 +18,6 @@
#include <glob.h>
-#include <map>
#include <vector>
#include <android-base/logging.h>
@@ -66,18 +65,20 @@
}
static Result<void> ParseConfigs(const std::vector<std::string>& configs) {
- Parser parser = CreateApexConfigParser(ActionManager::GetInstance(),
- ServiceList::GetInstance());
- bool success = true;
+ Parser parser =
+ CreateApexConfigParser(ActionManager::GetInstance(), ServiceList::GetInstance());
+ std::vector<std::string> errors;
for (const auto& c : configs) {
- success &= parser.ParseConfigFile(c);
+ auto result = parser.ParseConfigFile(c);
+ // We should handle other config files even when there's an error.
+ if (!result.ok()) {
+ errors.push_back(result.error().message());
+ }
}
-
- if (success) {
- return {};
- } else {
- return Error() << "Unable to parse apex configs";
+ if (!errors.empty()) {
+ return Error() << "Unable to parse apex configs: " << base::Join(errors, "|");
}
+ return {};
}
Result<void> ParseApexConfigs(const std::string& apex_name) {
diff --git a/init/builtins.cpp b/init/builtins.cpp
index c8cb253..a89813e 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -331,13 +331,13 @@
unique_fd s(TEMP_FAILURE_RETRY(socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0)));
if (s < 0) return ErrnoError() << "opening socket failed";
- if (ioctl(s, SIOCGIFFLAGS, &ifr) < 0) {
+ if (ioctl(s.get(), SIOCGIFFLAGS, &ifr) < 0) {
return ErrnoError() << "ioctl(..., SIOCGIFFLAGS, ...) failed";
}
ifr.ifr_flags |= IFF_UP;
- if (ioctl(s, SIOCSIFFLAGS, &ifr) < 0) {
+ if (ioctl(s.get(), SIOCSIFFLAGS, &ifr) < 0) {
return ErrnoError() << "ioctl(..., SIOCSIFFLAGS, ...) failed";
}
@@ -516,11 +516,11 @@
loop_info info;
/* if it is a blank loop device */
- if (ioctl(loop, LOOP_GET_STATUS, &info) < 0 && errno == ENXIO) {
+ if (ioctl(loop.get(), LOOP_GET_STATUS, &info) < 0 && errno == ENXIO) {
/* if it becomes our loop device */
- if (ioctl(loop, LOOP_SET_FD, fd.get()) >= 0) {
+ if (ioctl(loop.get(), LOOP_SET_FD, fd.get()) >= 0) {
if (mount(tmp.c_str(), target, system, flags, options) < 0) {
- ioctl(loop, LOOP_CLR_FD, 0);
+ ioctl(loop.get(), LOOP_CLR_FD, 0);
return ErrnoError() << "mount() failed";
}
return {};
@@ -879,6 +879,8 @@
SetProperty("partition." + partition + ".verified.hash_alg", hashtree_info->algorithm);
SetProperty("partition." + partition + ".verified.root_digest",
hashtree_info->root_digest);
+ SetProperty("partition." + partition + ".verified.check_at_most_once",
+ hashtree_info->check_at_most_once ? "1" : "0");
}
}
@@ -899,16 +901,16 @@
if (fd == -1) {
return ErrnoError() << "Error opening file";
}
- if (posix_fadvise(fd, 0, 0, POSIX_FADV_WILLNEED)) {
+ if (posix_fadvise(fd.get(), 0, 0, POSIX_FADV_WILLNEED)) {
return ErrnoError() << "Error posix_fadvise file";
}
- if (readahead(fd, 0, std::numeric_limits<size_t>::max())) {
+ if (readahead(fd.get(), 0, std::numeric_limits<size_t>::max())) {
return ErrnoError() << "Error readahead file";
}
if (fully) {
char buf[BUFSIZ];
ssize_t n;
- while ((n = TEMP_FAILURE_RETRY(read(fd, &buf[0], sizeof(buf)))) > 0) {
+ while ((n = TEMP_FAILURE_RETRY(read(fd.get(), &buf[0], sizeof(buf)))) > 0) {
}
if (n != 0) {
return ErrnoError() << "Error reading file";
diff --git a/init/devices.cpp b/init/devices.cpp
index 28406f6..39442a0 100644
--- a/init/devices.cpp
+++ b/init/devices.cpp
@@ -431,6 +431,12 @@
}
}
+ std::string model;
+ if (ReadFileToString("/sys/class/block/" + uevent.device_name + "/queue/zoned", &model) &&
+ !StartsWith(model, "none")) {
+ links.emplace_back("/dev/block/by-name/zoned_device");
+ }
+
auto last_slash = uevent.path.rfind('/');
links.emplace_back(link_path + "/" + uevent.path.substr(last_slash + 1));
@@ -470,7 +476,11 @@
MakeDevice(devpath, block, major, minor, links);
}
- // We don't have full device-mapper information until a change event is fired.
+ // Handle device-mapper nodes.
+ // On kernels <= 5.10, the "add" event is fired on DM_DEV_CREATE, but does not contain name
+ // information until DM_TABLE_LOAD - thus, we wait for a "change" event.
+ // On kernels >= 5.15, the "add" event is fired on DM_TABLE_LOAD, followed by a "change"
+ // event.
if (action == "add" || (action == "change" && StartsWith(devpath, "/dev/block/dm-"))) {
for (const auto& link : links) {
if (!mkdir_recursive(Dirname(link), 0755)) {
diff --git a/init/epoll.cpp b/init/epoll.cpp
index fd1af4f..cd73a0c 100644
--- a/init/epoll.cpp
+++ b/init/epoll.cpp
@@ -57,7 +57,7 @@
.events = events,
.data.fd = fd,
};
- if (epoll_ctl(epoll_fd_, EPOLL_CTL_ADD, fd, &ev) == -1) {
+ if (epoll_ctl(epoll_fd_.get(), EPOLL_CTL_ADD, fd, &ev) == -1) {
Result<void> result = ErrnoError() << "epoll_ctl failed to add fd";
epoll_handlers_.erase(fd);
return result;
@@ -66,7 +66,7 @@
}
Result<void> Epoll::UnregisterHandler(int fd) {
- if (epoll_ctl(epoll_fd_, EPOLL_CTL_DEL, fd, nullptr) == -1) {
+ if (epoll_ctl(epoll_fd_.get(), EPOLL_CTL_DEL, fd, nullptr) == -1) {
return ErrnoError() << "epoll_ctl failed to remove fd";
}
auto it = epoll_handlers_.find(fd);
@@ -88,7 +88,7 @@
}
const auto max_events = epoll_handlers_.size();
epoll_event ev[max_events];
- auto num_events = TEMP_FAILURE_RETRY(epoll_wait(epoll_fd_, ev, max_events, timeout_ms));
+ auto num_events = TEMP_FAILURE_RETRY(epoll_wait(epoll_fd_.get(), ev, max_events, timeout_ms));
if (num_events == -1) {
return ErrnoError() << "epoll_wait failed";
}
diff --git a/init/firmware_handler.cpp b/init/firmware_handler.cpp
index 30e808d..b9fa58c 100644
--- a/init/firmware_handler.cpp
+++ b/init/firmware_handler.cpp
@@ -257,12 +257,12 @@
return false;
}
struct stat sb;
- if (fstat(fw_fd, &sb) == -1) {
+ if (fstat(fw_fd.get(), &sb) == -1) {
attempted_paths_and_errors.emplace_back("firmware: attempted " + file +
", fstat failed: " + strerror(errno));
return false;
}
- LoadFirmware(firmware, root, fw_fd, sb.st_size, loading_fd, data_fd);
+ LoadFirmware(firmware, root, fw_fd.get(), sb.st_size, loading_fd.get(), data_fd.get());
return true;
};
@@ -287,7 +287,7 @@
}
// Write "-1" as our response to the kernel's firmware request, since we have nothing for it.
- write(loading_fd, "-1", 2);
+ write(loading_fd.get(), "-1", 2);
}
bool FirmwareHandler::ForEachFirmwareDirectory(
diff --git a/init/init.cpp b/init/init.cpp
index 4ca351c..f964c60 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -513,7 +513,7 @@
}
static Result<void> DoLoadApex(const std::string& apex_name) {
- if(auto result = ParseApexConfigs(apex_name); !result.ok()) {
+ if (auto result = ParseApexConfigs(apex_name); !result.ok()) {
return result.error();
}
@@ -739,30 +739,13 @@
HandlePowerctlMessage("shutdown,container");
}
-static constexpr std::chrono::milliseconds kDiagnosticTimeout = 10s;
-
-static void HandleSignalFd(bool one_off) {
+static void HandleSignalFd() {
signalfd_siginfo siginfo;
- auto started = std::chrono::steady_clock::now();
- do {
- ssize_t bytes_read = TEMP_FAILURE_RETRY(read(signal_fd, &siginfo, sizeof(siginfo)));
- if (bytes_read < 0 && errno == EAGAIN) {
- auto now = std::chrono::steady_clock::now();
- std::chrono::duration<double> waited = now - started;
- if (waited >= kDiagnosticTimeout) {
- LOG(ERROR) << "epoll() woke us up, but we waited with no SIGCHLD!";
- started = now;
- }
-
- std::this_thread::sleep_for(100ms);
- continue;
- }
- if (bytes_read != sizeof(siginfo)) {
- PLOG(ERROR) << "Failed to read siginfo from signal_fd";
- return;
- }
- break;
- } while (!one_off);
+ ssize_t bytes_read = TEMP_FAILURE_RETRY(read(signal_fd, &siginfo, sizeof(siginfo)));
+ if (bytes_read != sizeof(siginfo)) {
+ PLOG(ERROR) << "Failed to read siginfo from signal_fd";
+ return;
+ }
switch (siginfo.ssi_signo) {
case SIGCHLD:
@@ -772,7 +755,7 @@
HandleSigtermSignal(siginfo);
break;
default:
- PLOG(ERROR) << "signal_fd: received unexpected signal " << siginfo.ssi_signo;
+ LOG(ERROR) << "signal_fd: received unexpected signal " << siginfo.ssi_signo;
break;
}
}
@@ -817,14 +800,13 @@
LOG(FATAL) << "Failed to register a fork handler: " << strerror(result);
}
- signal_fd = signalfd(-1, &mask, SFD_CLOEXEC | SFD_NONBLOCK);
+ signal_fd = signalfd(-1, &mask, SFD_CLOEXEC);
if (signal_fd == -1) {
PLOG(FATAL) << "failed to create signalfd";
}
constexpr int flags = EPOLLIN | EPOLLPRI;
- auto handler = std::bind(HandleSignalFd, false);
- if (auto result = epoll->RegisterHandler(signal_fd, handler, flags); !result.ok()) {
+ if (auto result = epoll->RegisterHandler(signal_fd, HandleSignalFd, flags); !result.ok()) {
LOG(FATAL) << result.error();
}
}
@@ -953,32 +935,6 @@
return {};
}
-static void DumpPidFds(const std::string& prefix, pid_t pid) {
- std::error_code ec;
- std::string proc_dir = "/proc/" + std::to_string(pid) + "/fd";
- for (const auto& entry : std::filesystem::directory_iterator(proc_dir)) {
- std::string target;
- if (android::base::Readlink(entry.path(), &target)) {
- LOG(ERROR) << prefix << target;
- } else {
- LOG(ERROR) << prefix << entry.path();
- }
- }
-}
-
-static void DumpFile(const std::string& prefix, const std::string& file) {
- std::ifstream fp(file);
- if (!fp) {
- LOG(ERROR) << "Could not open " << file;
- return;
- }
-
- std::string line;
- while (std::getline(fp, line)) {
- LOG(ERROR) << prefix << line;
- }
-}
-
int SecondStageMain(int argc, char** argv) {
if (REBOOT_BOOTLOADER_ON_PANIC) {
InstallRebootSignalHandlers();
@@ -996,6 +952,8 @@
InitKernelLogging(argv);
LOG(INFO) << "init second stage started!";
+ SelinuxSetupKernelLogging();
+
// Update $PATH in the case the second stage init is newer than first stage init, where it is
// first set.
if (setenv("PATH", _PATH_DEFPATH, 1) != 0) {
@@ -1056,7 +1014,6 @@
MountExtraFilesystems();
// Now set up SELinux for second stage.
- SelinuxSetupKernelLogging();
SelabelInitialize();
SelinuxRestoreContext();
@@ -1152,7 +1109,7 @@
setpriority(PRIO_PROCESS, 0, 0);
while (true) {
// By default, sleep until something happens.
- std::chrono::milliseconds epoll_timeout{kDiagnosticTimeout};
+ std::optional<std::chrono::milliseconds> epoll_timeout;
auto shutdown_command = shutdown_state.CheckShutdown();
if (shutdown_command) {
@@ -1184,25 +1141,6 @@
auto epoll_result = epoll.Wait(epoll_timeout);
if (!epoll_result.ok()) {
LOG(ERROR) << epoll_result.error();
- } else if (*epoll_result <= 0 && Service::is_exec_service_running()) {
- static bool dumped_diagnostics = false;
- std::chrono::duration<double> waited =
- std::chrono::steady_clock::now() - Service::exec_service_started();
- if (waited >= kDiagnosticTimeout) {
- LOG(ERROR) << "Exec service is hung? Waited " << waited.count()
- << " without SIGCHLD";
- if (!dumped_diagnostics) {
- DumpPidFds("exec service opened: ", Service::exec_service_pid());
-
- std::string status_file =
- "/proc/" + std::to_string(Service::exec_service_pid()) + "/status";
- DumpFile("exec service: ", status_file);
- dumped_diagnostics = true;
-
- LOG(INFO) << "Attempting to handle any stuck SIGCHLDs...";
- HandleSignalFd(true);
- }
- }
}
if (!IsShuttingDown()) {
HandleControlMessages();
diff --git a/init/init_test.cpp b/init/init_test.cpp
index 5c1e9ef..7bb5c90 100644
--- a/init/init_test.cpp
+++ b/init/init_test.cpp
@@ -16,13 +16,16 @@
#include <functional>
#include <string_view>
+#include <thread>
#include <type_traits>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
+#include <android/api-level.h>
#include <gtest/gtest.h>
#include <selinux/selinux.h>
+#include <sys/resource.h>
#include "action.h"
#include "action_manager.h"
@@ -193,6 +196,36 @@
EXPECT_TRUE(service->is_override());
}
+TEST(init, StartConsole) {
+ if (GetProperty("ro.build.type", "") == "user") {
+ GTEST_SKIP() << "Must run on userdebug/eng builds. b/262090304";
+ return;
+ }
+ std::string init_script = R"init(
+service console /system/bin/sh
+ class core
+ console null
+ disabled
+ user root
+ group root shell log readproc
+ seclabel u:r:shell:s0
+ setenv HOSTNAME console
+)init";
+
+ ActionManager action_manager;
+ ServiceList service_list;
+ TestInitText(init_script, BuiltinFunctionMap(), {}, &action_manager, &service_list);
+ ASSERT_EQ(std::distance(service_list.begin(), service_list.end()), 1);
+
+ auto service = service_list.begin()->get();
+ ASSERT_NE(service, nullptr);
+ ASSERT_RESULT_OK(service->Start());
+ const pid_t pid = service->pid();
+ ASSERT_GT(pid, 0);
+ EXPECT_NE(getsid(pid), 0);
+ service->Stop();
+}
+
static std::string GetSecurityContext() {
char* ctx;
if (getcon(&ctx) == -1) {
@@ -596,6 +629,109 @@
ASSERT_EQ(1u, parser.parse_error_count());
}
+TEST(init, MemLockLimit) {
+ // Test is enforced only for U+ devices
+ if (android::base::GetIntProperty("ro.vendor.api_level", 0) < __ANDROID_API_U__) {
+ GTEST_SKIP();
+ }
+
+ // Verify we are running memlock at, or under, 64KB
+ const unsigned long max_limit = 65536;
+ struct rlimit curr_limit;
+ ASSERT_EQ(getrlimit(RLIMIT_MEMLOCK, &curr_limit), 0);
+ ASSERT_LE(curr_limit.rlim_cur, max_limit);
+ ASSERT_LE(curr_limit.rlim_max, max_limit);
+}
+
+static std::vector<const char*> ConvertToArgv(const std::vector<std::string>& args) {
+ std::vector<const char*> argv;
+ argv.reserve(args.size() + 1);
+ for (const auto& arg : args) {
+ if (argv.empty()) {
+ LOG(DEBUG) << arg;
+ } else {
+ LOG(DEBUG) << " " << arg;
+ }
+ argv.emplace_back(arg.data());
+ }
+ argv.emplace_back(nullptr);
+ return argv;
+}
+
+pid_t ForkExecvpAsync(const std::vector<std::string>& args) {
+ auto argv = ConvertToArgv(args);
+
+ pid_t pid = fork();
+ if (pid == 0) {
+ close(STDIN_FILENO);
+ close(STDOUT_FILENO);
+ close(STDERR_FILENO);
+
+ execvp(argv[0], const_cast<char**>(argv.data()));
+ PLOG(ERROR) << "exec in ForkExecvpAsync init test";
+ _exit(EXIT_FAILURE);
+ }
+ if (pid == -1) {
+ PLOG(ERROR) << "fork in ForkExecvpAsync init test";
+ return -1;
+ }
+ return pid;
+}
+
+TEST(init, GentleKill) {
+ if (getuid() != 0) {
+ GTEST_SKIP() << "Must be run as root.";
+ return;
+ }
+ std::string init_script = R"init(
+service test_gentle_kill /system/bin/sleep 1000
+ disabled
+ oneshot
+ gentle_kill
+ user root
+ group root
+ seclabel u:r:toolbox:s0
+)init";
+
+ ActionManager action_manager;
+ ServiceList service_list;
+ TestInitText(init_script, BuiltinFunctionMap(), {}, &action_manager, &service_list);
+ ASSERT_EQ(std::distance(service_list.begin(), service_list.end()), 1);
+
+ auto service = service_list.begin()->get();
+ ASSERT_NE(service, nullptr);
+ ASSERT_RESULT_OK(service->Start());
+ const pid_t pid = service->pid();
+ ASSERT_GT(pid, 0);
+ EXPECT_NE(getsid(pid), 0);
+
+ TemporaryFile logfile;
+ logfile.DoNotRemove();
+ ASSERT_TRUE(logfile.fd != -1);
+
+ std::vector<std::string> cmd;
+ cmd.push_back("system/bin/strace");
+ cmd.push_back("-o");
+ cmd.push_back(logfile.path);
+ cmd.push_back("-e");
+ cmd.push_back("signal");
+ cmd.push_back("-p");
+ cmd.push_back(std::to_string(pid));
+ pid_t strace_pid = ForkExecvpAsync(cmd);
+
+ // Give strace a moment to connect
+ std::this_thread::sleep_for(1s);
+ service->Stop();
+
+ int status;
+ waitpid(strace_pid, &status, 0);
+
+ std::string logs;
+ android::base::ReadFdToString(logfile.fd, &logs);
+ int pos = logs.find("killed by SIGTERM");
+ ASSERT_NE(pos, (int)std::string::npos);
+}
+
class TestCaseLogger : public ::testing::EmptyTestEventListener {
void OnTestStart(const ::testing::TestInfo& test_info) override {
#ifdef __ANDROID__
diff --git a/init/interprocess_fifo.cpp b/init/interprocess_fifo.cpp
new file mode 100644
index 0000000..6e0d031
--- /dev/null
+++ b/init/interprocess_fifo.cpp
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "interprocess_fifo.h"
+
+#include <android-base/logging.h>
+
+#include <unistd.h>
+
+using ::android::base::ErrnoError;
+using ::android::base::Error;
+using ::android::base::Result;
+
+namespace android {
+namespace init {
+
+InterprocessFifo::InterprocessFifo() noexcept : fds_({-1, -1}) {}
+
+InterprocessFifo::InterprocessFifo(InterprocessFifo&& orig) noexcept : fds_({-1, -1}) {
+ std::swap(fds_, orig.fds_);
+}
+
+InterprocessFifo::~InterprocessFifo() noexcept {
+ Close();
+}
+
+void InterprocessFifo::CloseFd(int& fd) noexcept {
+ if (fd >= 0) {
+ close(fd);
+ fd = -1;
+ }
+}
+
+void InterprocessFifo::CloseReadFd() noexcept {
+ CloseFd(fds_[0]);
+}
+
+void InterprocessFifo::CloseWriteFd() noexcept {
+ CloseFd(fds_[1]);
+}
+
+void InterprocessFifo::Close() noexcept {
+ CloseReadFd();
+ CloseWriteFd();
+}
+
+Result<void> InterprocessFifo::Initialize() noexcept {
+ if (fds_[0] >= 0) {
+ return Error() << "already initialized";
+ }
+ if (pipe(fds_.data()) < 0) { // NOLINT(android-cloexec-pipe)
+ return ErrnoError() << "pipe()";
+ }
+ return {};
+}
+
+Result<uint8_t> InterprocessFifo::Read() noexcept {
+ uint8_t byte;
+ ssize_t count = read(fds_[0], &byte, 1);
+ if (count < 0) {
+ return ErrnoError() << "read()";
+ }
+ if (count == 0) {
+ return Error() << "read() EOF";
+ }
+ DCHECK_EQ(count, 1);
+ return byte;
+}
+
+Result<void> InterprocessFifo::Write(uint8_t byte) noexcept {
+ ssize_t written = write(fds_[1], &byte, 1);
+ if (written < 0) {
+ return ErrnoError() << "write()";
+ }
+ if (written == 0) {
+ return Error() << "write() EOF";
+ }
+ DCHECK_EQ(written, 1);
+ return {};
+}
+
+} // namespace init
+} // namespace android
diff --git a/init/interprocess_fifo.h b/init/interprocess_fifo.h
new file mode 100644
index 0000000..cdaac86
--- /dev/null
+++ b/init/interprocess_fifo.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <array>
+
+#include <android-base/result.h>
+
+namespace android {
+namespace init {
+
+// A FIFO for inter-process communication that uses a Unix pipe internally.
+class InterprocessFifo {
+ public:
+ template <typename T>
+ using Result = ::android::base::Result<T>;
+
+ InterprocessFifo() noexcept;
+ InterprocessFifo(const InterprocessFifo& orig) noexcept = delete;
+ InterprocessFifo(InterprocessFifo&& orig) noexcept;
+ InterprocessFifo& operator=(const InterprocessFifo& orig) noexcept = delete;
+ InterprocessFifo& operator=(InterprocessFifo&& orig) noexcept = delete;
+ ~InterprocessFifo() noexcept;
+ void CloseReadFd() noexcept;
+ void CloseWriteFd() noexcept;
+ void Close() noexcept;
+ Result<void> Initialize() noexcept;
+ Result<void> Write(uint8_t byte) noexcept;
+ Result<uint8_t> Read() noexcept;
+
+ private:
+ static void CloseFd(int& fd) noexcept;
+
+ std::array<int, 2> fds_;
+};
+
+} // namespace init
+} // namespace android
diff --git a/init/interprocess_fifo_test.cpp b/init/interprocess_fifo_test.cpp
new file mode 100644
index 0000000..81cfbac
--- /dev/null
+++ b/init/interprocess_fifo_test.cpp
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "interprocess_fifo.h"
+
+#include <android-base/result-gmock.h>
+#include <gtest/gtest.h>
+
+#define ASSERT_OK(e) ASSERT_THAT(e, Ok())
+#define ASSERT_NOT_OK(e) ASSERT_THAT(e, Not(Ok()))
+
+using ::android::base::Result;
+using ::android::base::testing::Ok;
+using ::testing::Not;
+
+namespace android {
+namespace init {
+
+TEST(FifoTest, WriteAndRead) {
+ InterprocessFifo fifo;
+ ASSERT_OK(fifo.Initialize());
+ ASSERT_OK(fifo.Write('a'));
+ ASSERT_OK(fifo.Write('b'));
+ Result<uint8_t> result = fifo.Read();
+ ASSERT_OK(result);
+ EXPECT_EQ(*result, 'a');
+ result = fifo.Read();
+ ASSERT_OK(result);
+ EXPECT_EQ(*result, 'b');
+ InterprocessFifo fifo2 = std::move(fifo);
+ ASSERT_NOT_OK(fifo.Write('c'));
+ ASSERT_NOT_OK(fifo.Read());
+ ASSERT_OK(fifo2.Write('d'));
+ result = fifo2.Read();
+ ASSERT_OK(result);
+ EXPECT_EQ(*result, 'd');
+}
+
+} // namespace init
+} // namespace android
diff --git a/init/parser.cpp b/init/parser.cpp
index 0a388db..adb41ad 100644
--- a/init/parser.cpp
+++ b/init/parser.cpp
@@ -141,19 +141,19 @@
return true;
}
-bool Parser::ParseConfigFile(const std::string& path) {
+Result<void> Parser::ParseConfigFile(const std::string& path) {
LOG(INFO) << "Parsing file " << path << "...";
android::base::Timer t;
auto config_contents = ReadFile(path);
if (!config_contents.ok()) {
- LOG(INFO) << "Unable to read config file '" << path << "': " << config_contents.error();
- return false;
+ return Error() << "Unable to read config file '" << path
+ << "': " << config_contents.error();
}
ParseData(path, &config_contents.value());
LOG(VERBOSE) << "(Parsing " << path << " took " << t << ".)";
- return true;
+ return {};
}
bool Parser::ParseConfigDir(const std::string& path) {
@@ -176,8 +176,8 @@
// Sort first so we load files in a consistent order (bug 31996208)
std::sort(files.begin(), files.end());
for (const auto& file : files) {
- if (!ParseConfigFile(file)) {
- LOG(ERROR) << "could not import file '" << file << "'";
+ if (auto result = ParseConfigFile(file); !result.ok()) {
+ LOG(ERROR) << "could not import file '" << file << "': " << result.error();
}
}
return true;
@@ -187,7 +187,11 @@
if (is_dir(path.c_str())) {
return ParseConfigDir(path);
}
- return ParseConfigFile(path);
+ auto result = ParseConfigFile(path);
+ if (!result.ok()) {
+ LOG(INFO) << result.error();
+ }
+ return result.ok();
}
} // namespace init
diff --git a/init/parser.h b/init/parser.h
index 95b0cd7..980ae0c 100644
--- a/init/parser.h
+++ b/init/parser.h
@@ -72,7 +72,7 @@
Parser();
bool ParseConfig(const std::string& path);
- bool ParseConfigFile(const std::string& path);
+ Result<void> ParseConfigFile(const std::string& path);
void AddSectionParser(const std::string& name, std::unique_ptr<SectionParser> parser);
void AddSingleLineParser(const std::string& prefix, LineCallback callback);
diff --git a/init/persistent_properties.cpp b/init/persistent_properties.cpp
index d33a6b8..8db7267 100644
--- a/init/persistent_properties.cpp
+++ b/init/persistent_properties.cpp
@@ -77,7 +77,7 @@
}
struct stat sb;
- if (fstat(fd, &sb) == -1) {
+ if (fstat(fd.get(), &sb) == -1) {
PLOG(ERROR) << "fstat on property file \"" << entry->d_name << "\" failed";
continue;
}
@@ -198,7 +198,7 @@
if (!WriteStringToFd(serialized_string, fd)) {
return ErrnoError() << "Unable to write file contents";
}
- fsync(fd);
+ fsync(fd.get());
fd.reset();
if (rename(temp_filename.c_str(), persistent_property_filename.c_str())) {
@@ -216,7 +216,7 @@
if (dir_fd < 0) {
return ErrnoError() << "Unable to open persistent properties directory for fsync()";
}
- fsync(dir_fd);
+ fsync(dir_fd.get());
return {};
}
diff --git a/init/property_service.cpp b/init/property_service.cpp
index f3550a1..87ffdb9 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -98,6 +98,9 @@
namespace android {
namespace init {
+
+class PersistWriteThread;
+
constexpr auto FINGERPRINT_PROP = "ro.build.fingerprint";
constexpr auto LEGACY_FINGERPRINT_PROP = "ro.build.legacy.fingerprint";
constexpr auto ID_PROP = "ro.build.id";
@@ -115,6 +118,8 @@
static std::mutex accept_messages_lock;
static std::thread property_service_thread;
+static std::unique_ptr<PersistWriteThread> persist_write_thread;
+
static PropertyInfoAreaFile property_info_area;
struct PropertyAuditData {
@@ -177,48 +182,13 @@
return has_access;
}
-static uint32_t PropertySet(const std::string& name, const std::string& value, std::string* error) {
- size_t valuelen = value.size();
-
- if (!IsLegalPropertyName(name)) {
- *error = "Illegal property name";
- return PROP_ERROR_INVALID_NAME;
- }
-
- if (auto result = IsLegalPropertyValue(name, value); !result.ok()) {
- *error = result.error().message();
- return PROP_ERROR_INVALID_VALUE;
- }
-
- prop_info* pi = (prop_info*) __system_property_find(name.c_str());
- if (pi != nullptr) {
- // ro.* properties are actually "write-once".
- if (StartsWith(name, "ro.")) {
- *error = "Read-only property was already set";
- return PROP_ERROR_READ_ONLY_PROPERTY;
- }
-
- __system_property_update(pi, value.c_str(), valuelen);
- } else {
- int rc = __system_property_add(name.c_str(), name.size(), value.c_str(), valuelen);
- if (rc < 0) {
- *error = "__system_property_add failed";
- return PROP_ERROR_SET_FAILED;
- }
- }
-
- // Don't write properties to disk until after we have read all default
- // properties to prevent them from being overwritten by default values.
- if (persistent_properties_loaded && StartsWith(name, "persist.")) {
- WritePersistentProperty(name, value);
- }
+void NotifyPropertyChange(const std::string& name, const std::string& value) {
// If init hasn't started its main loop, then it won't be handling property changed messages
// anyway, so there's no need to try to send them.
auto lock = std::lock_guard{accept_messages_lock};
if (accept_messages) {
PropertyChanged(name, value);
}
- return PROP_SUCCESS;
}
class AsyncRestorecon {
@@ -259,7 +229,9 @@
class SocketConnection {
public:
+ SocketConnection() = default;
SocketConnection(int socket, const ucred& cred) : socket_(socket), cred_(cred) {}
+ SocketConnection(SocketConnection&&) = default;
bool RecvUint32(uint32_t* value, uint32_t* timeout_ms) {
return RecvFully(value, sizeof(*value), timeout_ms);
@@ -300,13 +272,13 @@
if (!socket_.ok()) {
return true;
}
- int result = TEMP_FAILURE_RETRY(send(socket_, &value, sizeof(value), 0));
+ int result = TEMP_FAILURE_RETRY(send(socket_.get(), &value, sizeof(value), 0));
return result == sizeof(value);
}
bool GetSourceContext(std::string* source_context) const {
char* c_source_context = nullptr;
- if (getpeercon(socket_, &c_source_context) != 0) {
+ if (getpeercon(socket_.get(), &c_source_context) != 0) {
return false;
}
*source_context = c_source_context;
@@ -318,15 +290,17 @@
const ucred& cred() { return cred_; }
+ SocketConnection& operator=(SocketConnection&&) = default;
+
private:
bool PollIn(uint32_t* timeout_ms) {
- struct pollfd ufds[1];
- ufds[0].fd = socket_;
- ufds[0].events = POLLIN;
- ufds[0].revents = 0;
+ struct pollfd ufd = {
+ .fd = socket_.get(),
+ .events = POLLIN,
+ };
while (*timeout_ms > 0) {
auto start_time = std::chrono::steady_clock::now();
- int nr = poll(ufds, 1, *timeout_ms);
+ int nr = poll(&ufd, 1, *timeout_ms);
auto now = std::chrono::steady_clock::now();
auto time_elapsed =
std::chrono::duration_cast<std::chrono::milliseconds>(now - start_time);
@@ -368,7 +342,7 @@
return false;
}
- int result = TEMP_FAILURE_RETRY(recv(socket_, data, bytes_left, MSG_DONTWAIT));
+ int result = TEMP_FAILURE_RETRY(recv(socket_.get(), data, bytes_left, MSG_DONTWAIT));
if (result <= 0) {
PLOG(ERROR) << "sys_prop: recv error";
return false;
@@ -388,9 +362,78 @@
unique_fd socket_;
ucred cred_;
- DISALLOW_IMPLICIT_CONSTRUCTORS(SocketConnection);
+ DISALLOW_COPY_AND_ASSIGN(SocketConnection);
};
+class PersistWriteThread {
+ public:
+ PersistWriteThread();
+ void Write(std::string name, std::string value, SocketConnection socket);
+
+ private:
+ void Work();
+
+ private:
+ std::thread thread_;
+ std::mutex mutex_;
+ std::condition_variable cv_;
+ std::deque<std::tuple<std::string, std::string, SocketConnection>> work_;
+};
+
+static std::optional<uint32_t> PropertySet(const std::string& name, const std::string& value,
+ SocketConnection* socket, std::string* error) {
+ size_t valuelen = value.size();
+
+ if (!IsLegalPropertyName(name)) {
+ *error = "Illegal property name";
+ return {PROP_ERROR_INVALID_NAME};
+ }
+
+ if (auto result = IsLegalPropertyValue(name, value); !result.ok()) {
+ *error = result.error().message();
+ return {PROP_ERROR_INVALID_VALUE};
+ }
+
+ prop_info* pi = (prop_info*)__system_property_find(name.c_str());
+ if (pi != nullptr) {
+ // ro.* properties are actually "write-once".
+ if (StartsWith(name, "ro.")) {
+ *error = "Read-only property was already set";
+ return {PROP_ERROR_READ_ONLY_PROPERTY};
+ }
+
+ __system_property_update(pi, value.c_str(), valuelen);
+ } else {
+ int rc = __system_property_add(name.c_str(), name.size(), value.c_str(), valuelen);
+ if (rc < 0) {
+ *error = "__system_property_add failed";
+ return {PROP_ERROR_SET_FAILED};
+ }
+ }
+
+ // Don't write properties to disk until after we have read all default
+ // properties to prevent them from being overwritten by default values.
+ if (socket && persistent_properties_loaded && StartsWith(name, "persist.")) {
+ if (persist_write_thread) {
+ persist_write_thread->Write(name, value, std::move(*socket));
+ return {};
+ }
+ WritePersistentProperty(name, value);
+ }
+
+ NotifyPropertyChange(name, value);
+ return {PROP_SUCCESS};
+}
+
+// Helper for PropertySet, for the case where no socket is used, and therefore an asynchronous
+// return is not possible.
+static uint32_t PropertySetNoSocket(const std::string& name, const std::string& value,
+ std::string* error) {
+ auto ret = PropertySet(name, value, nullptr, error);
+ CHECK(ret.has_value());
+ return *ret;
+}
+
static uint32_t SendControlMessage(const std::string& msg, const std::string& name, pid_t pid,
SocketConnection* socket, std::string* error) {
auto lock = std::lock_guard{accept_messages_lock};
@@ -481,16 +524,17 @@
return PROP_SUCCESS;
}
-// This returns one of the enum of PROP_SUCCESS or PROP_ERROR*.
-uint32_t HandlePropertySet(const std::string& name, const std::string& value,
- const std::string& source_context, const ucred& cr,
- SocketConnection* socket, std::string* error) {
+// This returns one of the enum of PROP_SUCCESS or PROP_ERROR*, or std::nullopt
+// if asynchronous.
+std::optional<uint32_t> HandlePropertySet(const std::string& name, const std::string& value,
+ const std::string& source_context, const ucred& cr,
+ SocketConnection* socket, std::string* error) {
if (auto ret = CheckPermissions(name, value, source_context, cr, error); ret != PROP_SUCCESS) {
- return ret;
+ return {ret};
}
if (StartsWith(name, "ctl.")) {
- return SendControlMessage(name.c_str() + 4, value, cr.pid, socket, error);
+ return {SendControlMessage(name.c_str() + 4, value, cr.pid, socket, error)};
}
// sys.powerctl is a special property that is used to make the device reboot. We want to log
@@ -511,7 +555,7 @@
}
if (value == "reboot,userspace" && !is_userspace_reboot_supported().value_or(false)) {
*error = "Userspace reboot is not supported by this device";
- return PROP_ERROR_INVALID_VALUE;
+ return {PROP_ERROR_INVALID_VALUE};
}
}
@@ -522,10 +566,20 @@
if (name == kRestoreconProperty && cr.pid != 1 && !value.empty()) {
static AsyncRestorecon async_restorecon;
async_restorecon.TriggerRestorecon(value);
- return PROP_SUCCESS;
+ return {PROP_SUCCESS};
}
- return PropertySet(name, value, error);
+ return PropertySet(name, value, socket, error);
+}
+
+// Helper for HandlePropertySet, for the case where no socket is used, and
+// therefore an asynchronous return is not possible.
+uint32_t HandlePropertySetNoSocket(const std::string& name, const std::string& value,
+ const std::string& source_context, const ucred& cr,
+ std::string* error) {
+ auto ret = HandlePropertySet(name, value, source_context, cr, nullptr, error);
+ CHECK(ret.has_value());
+ return *ret;
}
static void handle_property_set_fd() {
@@ -576,8 +630,7 @@
const auto& cr = socket.cred();
std::string error;
- uint32_t result =
- HandlePropertySet(prop_name, prop_value, source_context, cr, nullptr, &error);
+ auto result = HandlePropertySetNoSocket(prop_name, prop_value, source_context, cr, &error);
if (result != PROP_SUCCESS) {
LOG(ERROR) << "Unable to set property '" << prop_name << "' from uid:" << cr.uid
<< " gid:" << cr.gid << " pid:" << cr.pid << ": " << error;
@@ -603,14 +656,19 @@
return;
}
+ // HandlePropertySet takes ownership of the socket if the set is handled asynchronously.
const auto& cr = socket.cred();
std::string error;
- uint32_t result = HandlePropertySet(name, value, source_context, cr, &socket, &error);
- if (result != PROP_SUCCESS) {
+ auto result = HandlePropertySet(name, value, source_context, cr, &socket, &error);
+ if (!result) {
+ // Result will be sent after completion.
+ return;
+ }
+ if (*result != PROP_SUCCESS) {
LOG(ERROR) << "Unable to set property '" << name << "' from uid:" << cr.uid
<< " gid:" << cr.gid << " pid:" << cr.pid << ": " << error;
}
- socket.SendUint32(result);
+ socket.SendUint32(*result);
break;
}
@@ -622,10 +680,9 @@
}
uint32_t InitPropertySet(const std::string& name, const std::string& value) {
- uint32_t result = 0;
ucred cr = {.pid = 1, .uid = 0, .gid = 0};
std::string error;
- result = HandlePropertySet(name, value, kInitContext, cr, nullptr, &error);
+ auto result = HandlePropertySetNoSocket(name, value, kInitContext, cr, &error);
if (result != PROP_SUCCESS) {
LOG(ERROR) << "Init cannot set '" << name << "' to '" << value << "': " << error;
}
@@ -795,7 +852,7 @@
load_properties_from_file("/data/local.prop", nullptr, &properties);
for (const auto& [name, value] : properties) {
std::string error;
- if (PropertySet(name, value, &error) != PROP_SUCCESS) {
+ if (PropertySetNoSocket(name, value, &error) != PROP_SUCCESS) {
LOG(ERROR) << "Could not set '" << name << "' to '" << value
<< "' in /data/local.prop: " << error;
}
@@ -861,7 +918,7 @@
LOG(INFO) << "Setting product property " << base_prop << " to '" << target_prop_val
<< "' (from " << target_prop << ")";
std::string error;
- uint32_t res = PropertySet(base_prop, target_prop_val, &error);
+ auto res = PropertySetNoSocket(base_prop, target_prop_val, &error);
if (res != PROP_SUCCESS) {
LOG(ERROR) << "Error setting product property " << base_prop << ": err=" << res
<< " (" << error << ")";
@@ -890,7 +947,7 @@
}
std::string error;
- auto res = PropertySet(ID_PROP, build_id, &error);
+ auto res = PropertySetNoSocket(ID_PROP, build_id, &error);
if (res != PROP_SUCCESS) {
LOG(ERROR) << "Failed to set " << ID_PROP << " to " << build_id;
}
@@ -938,7 +995,7 @@
<< legacy_build_fingerprint << "'";
std::string error;
- uint32_t res = PropertySet(LEGACY_FINGERPRINT_PROP, legacy_build_fingerprint, &error);
+ auto res = PropertySetNoSocket(LEGACY_FINGERPRINT_PROP, legacy_build_fingerprint, &error);
if (res != PROP_SUCCESS) {
LOG(ERROR) << "Error setting property '" << LEGACY_FINGERPRINT_PROP << "': err=" << res
<< " (" << error << ")";
@@ -956,7 +1013,7 @@
LOG(INFO) << "Setting property '" << FINGERPRINT_PROP << "' to '" << build_fingerprint << "'";
std::string error;
- uint32_t res = PropertySet(FINGERPRINT_PROP, build_fingerprint, &error);
+ auto res = PropertySetNoSocket(FINGERPRINT_PROP, build_fingerprint, &error);
if (res != PROP_SUCCESS) {
LOG(ERROR) << "Error setting property '" << FINGERPRINT_PROP << "': err=" << res << " ("
<< error << ")";
@@ -1018,7 +1075,7 @@
LOG(INFO) << "Setting property '" << prop << "' to '" << prop_val << "'";
std::string error;
- uint32_t res = PropertySet(prop, prop_val, &error);
+ auto res = PropertySetNoSocket(prop, prop_val, &error);
if (res != PROP_SUCCESS) {
LOG(ERROR) << "Error setting property '" << prop << "': err=" << res << " (" << error
<< ")";
@@ -1052,7 +1109,7 @@
int api_level = std::min(read_api_level_props(BOARD_API_LEVEL_PROPS),
read_api_level_props(DEVICE_API_LEVEL_PROPS));
std::string error;
- uint32_t res = PropertySet(VENDOR_API_LEVEL_PROP, std::to_string(api_level), &error);
+ auto res = PropertySetNoSocket(VENDOR_API_LEVEL_PROP, std::to_string(api_level), &error);
if (res != PROP_SUCCESS) {
LOG(ERROR) << "Failed to set " << VENDOR_API_LEVEL_PROP << " with " << api_level << ": "
<< error << "(" << res << ")";
@@ -1146,7 +1203,7 @@
for (const auto& [name, value] : properties) {
std::string error;
- if (PropertySet(name, value, &error) != PROP_SUCCESS) {
+ if (PropertySetNoSocket(name, value, &error) != PROP_SUCCESS) {
LOG(ERROR) << "Could not set '" << name << "' to '" << value
<< "' while loading .prop files" << error;
}
@@ -1388,6 +1445,46 @@
}
}
+PersistWriteThread::PersistWriteThread() {
+ auto new_thread = std::thread([this]() -> void { Work(); });
+ thread_.swap(new_thread);
+}
+
+void PersistWriteThread::Work() {
+ while (true) {
+ std::tuple<std::string, std::string, SocketConnection> item;
+
+ // Grab the next item within the lock.
+ {
+ std::unique_lock<std::mutex> lock(mutex_);
+
+ while (work_.empty()) {
+ cv_.wait(lock);
+ }
+
+ item = std::move(work_.front());
+ work_.pop_front();
+ }
+
+ std::this_thread::sleep_for(1s);
+
+ // Perform write/fsync outside the lock.
+ WritePersistentProperty(std::get<0>(item), std::get<1>(item));
+ NotifyPropertyChange(std::get<0>(item), std::get<1>(item));
+
+ SocketConnection& socket = std::get<2>(item);
+ socket.SendUint32(PROP_SUCCESS);
+ }
+}
+
+void PersistWriteThread::Write(std::string name, std::string value, SocketConnection socket) {
+ {
+ std::unique_lock<std::mutex> lock(mutex_);
+ work_.emplace_back(std::move(name), std::move(value), std::move(socket));
+ }
+ cv_.notify_all();
+}
+
void StartPropertyService(int* epoll_socket) {
InitPropertySet("ro.property_service.version", "2");
@@ -1412,6 +1509,13 @@
auto new_thread = std::thread{PropertyServiceThread};
property_service_thread.swap(new_thread);
+
+ auto async_persist_writes =
+ android::base::GetBoolProperty("ro.property_service.async_persist_writes", false);
+
+ if (async_persist_writes) {
+ persist_write_thread = std::make_unique<PersistWriteThread>();
+ }
}
} // namespace init
diff --git a/init/property_service.h b/init/property_service.h
index 2d49a36..71a609c 100644
--- a/init/property_service.h
+++ b/init/property_service.h
@@ -18,7 +18,11 @@
#include <sys/socket.h>
+#include <condition_variable>
+#include <deque>
+#include <mutex>
#include <string>
+#include <thread>
#include "epoll.h"
diff --git a/init/reboot.cpp b/init/reboot.cpp
index 4c27a56..27a7876 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -51,6 +51,7 @@
#include <bootloader_message/bootloader_message.h>
#include <cutils/android_reboot.h>
#include <fs_mgr.h>
+#include <libsnapshot/snapshot.h>
#include <logwrap/logwrap.h>
#include <private/android_filesystem_config.h>
#include <selinux/selinux.h>
@@ -422,11 +423,31 @@
if (run_fsck && !FindPartitionsToUmount(&block_devices, &emulated_devices, false)) {
return UMOUNT_STAT_ERROR;
}
-
+ auto sm = snapshot::SnapshotManager::New();
+ bool ota_update_in_progress = false;
+ if (sm->IsUserspaceSnapshotUpdateInProgress()) {
+ LOG(INFO) << "OTA update in progress";
+ ota_update_in_progress = true;
+ }
UmountStat stat = UmountPartitions(timeout - t.duration());
if (stat != UMOUNT_STAT_SUCCESS) {
LOG(INFO) << "umount timeout, last resort, kill all and try";
if (DUMP_ON_UMOUNT_FAILURE) DumpUmountDebuggingInfo();
+ // Since umount timedout, we will try to kill all processes
+ // and do one more attempt to umount the partitions.
+ //
+ // However, if OTA update is in progress, we don't want
+ // to kill the snapuserd daemon as the daemon will
+ // be serving I/O requests. Killing the daemon will
+ // end up with I/O failures. If the update is in progress,
+ // we will just return the umount failure status immediately.
+ // This is ok, given the fact that killing the processes
+ // and doing an umount is just a last effort. We are
+ // still not doing fsck when all processes are killed.
+ //
+ if (ota_update_in_progress) {
+ return stat;
+ }
KillAllProcesses();
// even if it succeeds, still it is timeout and do not run fsck with all processes killed
UmountStat st = UmountPartitions(0ms);
@@ -567,6 +588,11 @@
}
static Result<void> UnmountAllApexes() {
+ // don't need to unmount because apexd doesn't use /data in Microdroid
+ if (IsMicrodroid()) {
+ return {};
+ }
+
const char* args[] = {"/system/bin/apexd", "--unmount-all"};
int status;
if (logwrap_fork_execvp(arraysize(args), args, &status, false, LOG_KLOG, true, nullptr) != 0) {
@@ -762,7 +788,7 @@
if (IsDataMounted("f2fs")) {
uint32_t flag = F2FS_GOING_DOWN_FULLSYNC;
unique_fd fd(TEMP_FAILURE_RETRY(open("/data", O_RDONLY)));
- int ret = ioctl(fd, F2FS_IOC_SHUTDOWN, &flag);
+ int ret = ioctl(fd.get(), F2FS_IOC_SHUTDOWN, &flag);
if (ret) {
PLOG(ERROR) << "Shutdown /data: ";
} else {
diff --git a/init/security.cpp b/init/security.cpp
index 0e9f6c2..6e616be 100644
--- a/init/security.cpp
+++ b/init/security.cpp
@@ -116,6 +116,13 @@
if (SetMmapRndBitsMin(33, 24, false) && (!Has32BitAbi() || SetMmapRndBitsMin(16, 16, true))) {
return {};
}
+#elif defined(__riscv)
+ // TODO: sv48 and sv57 were both added to the kernel this year, so we
+ // probably just need some kernel fixes to enable higher ASLR randomization,
+ // but for now 24 is the maximum that the kernel supports.
+ if (SetMmapRndBitsMin(24, 18, false)) {
+ return {};
+ }
#elif defined(__x86_64__)
// x86_64 supports 28 - 32 rnd bits, but Android wants to ensure that the
// theoretical maximum of 32 bits is always supported and used.
@@ -209,7 +216,7 @@
return {};
}
- int ioctl_ret = ioctl(fd, PERF_EVENT_IOC_RESET);
+ int ioctl_ret = ioctl(fd.get(), PERF_EVENT_IOC_RESET);
if (ioctl_ret != -1) {
// Success implies that the kernel doesn't have the hooks.
return {};
diff --git a/init/selinux.cpp b/init/selinux.cpp
index ab5b0a0..4cc00fe 100644
--- a/init/selinux.cpp
+++ b/init/selinux.cpp
@@ -567,7 +567,7 @@
return ErrnoError() << "Failed to open " << dstPath;
}
- ret = ExtractEntryToFile(archive, &entry, fd);
+ ret = ExtractEntryToFile(archive, &entry, fd.get());
if (ret != 0) {
return Error() << "Failed to extract entry \"" << fileName << "\" ("
<< entry.uncompressed_length << " bytes) to \"" << dstPath
@@ -629,7 +629,7 @@
}
Result<void> SepolicyFsVerityCheck() {
- return Error() << "TODO implementent support for fsverity SEPolicy.";
+ return Error() << "TODO implement support for fsverity SEPolicy.";
}
Result<void> SepolicyCheckSignature(const std::string& dir) {
@@ -785,7 +785,7 @@
return;
}
- TEMP_FAILURE_RETRY(send(fd, &request, sizeof(request), 0));
+ TEMP_FAILURE_RETRY(send(fd.get(), &request, sizeof(request), 0));
}
} // namespace
diff --git a/init/service.cpp b/init/service.cpp
index 6a9343d..87d9c3a 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -16,6 +16,7 @@
#include "service.h"
+#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <linux/securebits.h>
@@ -25,6 +26,7 @@
#include <sys/time.h>
#include <termios.h>
#include <unistd.h>
+#include <thread>
#include <android-base/file.h>
#include <android-base/logging.h>
@@ -38,6 +40,7 @@
#include <string>
+#include "interprocess_fifo.h"
#include "lmkd_service.h"
#include "service_list.h"
#include "util.h"
@@ -134,8 +137,6 @@
unsigned long Service::next_start_order_ = 1;
bool Service::is_exec_service_running_ = false;
-pid_t Service::exec_service_pid_ = -1;
-std::chrono::time_point<std::chrono::steady_clock> Service::exec_service_started_;
Service::Service(const std::string& name, Subcontext* subcontext_for_restart_commands,
const std::string& filename, const std::vector<std::string>& args)
@@ -225,7 +226,7 @@
}
}
-void Service::SetProcessAttributesAndCaps() {
+void Service::SetProcessAttributesAndCaps(InterprocessFifo setsid_finished) {
// Keep capabilites on uid change.
if (capabilities_ && proc_attr_.uid) {
// If Android is running in a container, some securebits might already
@@ -240,7 +241,7 @@
}
}
- if (auto result = SetProcessAttributes(proc_attr_); !result.ok()) {
+ if (auto result = SetProcessAttributes(proc_attr_, std::move(setsid_finished)); !result.ok()) {
LOG(FATAL) << "cannot set attribute for " << name_ << ": " << result.error();
}
@@ -290,7 +291,8 @@
}
if ((siginfo.si_code != CLD_EXITED || siginfo.si_status != 0) && on_failure_reboot_target_) {
- LOG(ERROR) << "Service with 'reboot_on_failure' option failed, shutting down system.";
+ LOG(ERROR) << "Service " << name_
+ << " has 'reboot_on_failure' option and failed, shutting down system.";
trigger_shutdown(*on_failure_reboot_target_);
}
@@ -431,8 +433,6 @@
flags_ |= SVC_EXEC;
is_exec_service_running_ = true;
- exec_service_pid_ = pid_;
- exec_service_started_ = std::chrono::steady_clock::now();
LOG(INFO) << "SVC_EXEC service '" << name_ << "' pid " << pid_ << " (uid " << proc_attr_.uid
<< " gid " << proc_attr_.gid << "+" << proc_attr_.supp_gids.size() << " context "
@@ -442,14 +442,6 @@
return {};
}
-static void ClosePipe(const std::array<int, 2>* pipe) {
- for (const auto fd : *pipe) {
- if (fd >= 0) {
- close(fd);
- }
- }
-}
-
Result<void> Service::CheckConsole() {
if (!(flags_ & SVC_CONSOLE)) {
return {};
@@ -514,7 +506,7 @@
// Enters namespaces, sets environment variables, writes PID files and runs the service executable.
void Service::RunService(const std::vector<Descriptor>& descriptors,
- std::unique_ptr<std::array<int, 2>, decltype(&ClosePipe)> pipefd) {
+ InterprocessFifo cgroups_activated, InterprocessFifo setsid_finished) {
if (auto result = EnterNamespaces(namespaces_, name_, mount_namespace_); !result.ok()) {
LOG(FATAL) << "Service '" << name_ << "' failed to set up namespaces: " << result.error();
}
@@ -536,12 +528,12 @@
// Wait until the cgroups have been created and until the cgroup controllers have been
// activated.
- char byte = 0;
- if (read((*pipefd)[0], &byte, 1) < 0) {
- PLOG(ERROR) << "failed to read from notification channel";
+ Result<uint8_t> byte = cgroups_activated.Read();
+ if (!byte.ok()) {
+ LOG(ERROR) << name_ << ": failed to read from notification channel: " << byte.error();
}
- pipefd.reset();
- if (!byte) {
+ cgroups_activated.Close();
+ if (*byte != kCgroupsActivated) {
LOG(FATAL) << "Service '" << name_ << "' failed to start due to a fatal error";
_exit(EXIT_FAILURE);
}
@@ -562,7 +554,7 @@
// As requested, set our gid, supplemental gids, uid, context, and
// priority. Aborts on failure.
- SetProcessAttributesAndCaps();
+ SetProcessAttributesAndCaps(std::move(setsid_finished));
if (!ExpandArgsAndExecv(args_, sigstop_)) {
PLOG(ERROR) << "cannot execv('" << args_[0]
@@ -605,11 +597,14 @@
return {};
}
- std::unique_ptr<std::array<int, 2>, decltype(&ClosePipe)> pipefd(new std::array<int, 2>{-1, -1},
- ClosePipe);
- if (pipe(pipefd->data()) < 0) {
- return ErrnoError() << "pipe()";
- }
+ // cgroups_activated is used for communication from the parent to the child
+ // while setsid_finished is used for communication from the child process to
+ // the parent process. These two communication channels are separate because
+ // combining these into a single communication channel would introduce a
+ // race between the Write() calls by the parent and by the child.
+ InterprocessFifo cgroups_activated, setsid_finished;
+ OR_RETURN(cgroups_activated.Initialize());
+ OR_RETURN(setsid_finished.Initialize());
if (Result<void> result = CheckConsole(); !result.ok()) {
return result;
@@ -667,8 +662,13 @@
if (pid == 0) {
umask(077);
- RunService(descriptors, std::move(pipefd));
+ cgroups_activated.CloseWriteFd();
+ setsid_finished.CloseReadFd();
+ RunService(descriptors, std::move(cgroups_activated), std::move(setsid_finished));
_exit(127);
+ } else {
+ cgroups_activated.CloseReadFd();
+ setsid_finished.CloseWriteFd();
}
if (pid < 0) {
@@ -697,11 +697,13 @@
limit_percent_ != -1 || !limit_property_.empty();
errno = -createProcessGroup(proc_attr_.uid, pid_, use_memcg);
if (errno != 0) {
- if (char byte = 0; write((*pipefd)[1], &byte, 1) < 0) {
- return ErrnoError() << "sending notification failed";
+ Result<void> result = cgroups_activated.Write(kActivatingCgroupsFailed);
+ if (!result.ok()) {
+ return Error() << "Sending notification failed: " << result.error();
}
- return Error() << "createProcessGroup(" << proc_attr_.uid << ", " << pid_
- << ") failed for service '" << name_ << "'";
+ return Error() << "createProcessGroup(" << proc_attr_.uid << ", " << pid_ << ", "
+ << use_memcg << ") failed for service '" << name_
+ << "': " << strerror(errno);
}
// When the blkio controller is mounted in the v1 hierarchy, NormalIoPriority is
@@ -712,18 +714,45 @@
if (use_memcg) {
ConfigureMemcg();
}
- } else {
- process_cgroup_empty_ = true;
}
if (oom_score_adjust_ != DEFAULT_OOM_SCORE_ADJUST) {
LmkdRegister(name_, proc_attr_.uid, pid_, oom_score_adjust_);
}
- if (char byte = 1; write((*pipefd)[1], &byte, 1) < 0) {
- return ErrnoError() << "sending notification failed";
+ if (Result<void> result = cgroups_activated.Write(kCgroupsActivated); !result.ok()) {
+ return Error() << "Sending cgroups activated notification failed: " << result.error();
}
+ cgroups_activated.Close();
+
+ // Call setpgid() from the parent process to make sure that this call has
+ // finished before the parent process calls kill(-pgid, ...).
+ if (!RequiresConsole(proc_attr_)) {
+ if (setpgid(pid, pid) < 0) {
+ switch (errno) {
+ case EACCES: // Child has already performed setpgid() followed by execve().
+ case ESRCH: // Child process no longer exists.
+ break;
+ default:
+ PLOG(ERROR) << "setpgid() from parent failed";
+ }
+ }
+ } else {
+ // The Read() call below will return an error if the child is killed.
+ if (Result<uint8_t> result = setsid_finished.Read();
+ !result.ok() || *result != kSetSidFinished) {
+ if (!result.ok()) {
+ return Error() << "Waiting for setsid() failed: " << result.error();
+ } else {
+ return Error() << "Waiting for setsid() failed: " << static_cast<uint32_t>(*result)
+ << " <> " << static_cast<uint32_t>(kSetSidFinished);
+ }
+ }
+ }
+
+ setsid_finished.Close();
+
NotifyStateChange("running");
reboot_on_failure.Disable();
return {};
@@ -839,6 +868,8 @@
if ((how != SVC_DISABLED) && (how != SVC_RESET) && (how != SVC_RESTART)) {
// An illegal flag: default to SVC_DISABLED.
+ LOG(ERROR) << "service '" << name_ << "' requested unknown flag " << how
+ << ", defaulting to disabling it.";
how = SVC_DISABLED;
}
@@ -857,6 +888,10 @@
}
if (pid_) {
+ if (flags_ & SVC_GENTLE_KILL) {
+ KillProcessGroup(SIGTERM);
+ if (!process_cgroup_empty()) std::this_thread::sleep_for(200ms);
+ }
KillProcessGroup(SIGKILL);
NotifyStateChange("stopping");
} else {
diff --git a/init/service.h b/init/service.h
index ab19865..3ef8902 100644
--- a/init/service.h
+++ b/init/service.h
@@ -31,6 +31,7 @@
#include "action.h"
#include "capabilities.h"
+#include "interprocess_fifo.h"
#include "keyword_map.h"
#include "mount_namespace.h"
#include "parser.h"
@@ -55,6 +56,8 @@
// should not be killed during shutdown
#define SVC_TEMPORARY 0x1000 // This service was started by 'exec' and should be removed from the
// service list once it is reaped.
+#define SVC_GENTLE_KILL 0x2000 // This service should be stopped with SIGTERM instead of SIGKILL
+ // Will still be SIGKILLed after timeout period of 200 ms
#define NR_SVC_SUPP_GIDS 12 // twelve supplementary groups
@@ -72,6 +75,8 @@
const std::vector<gid_t>& supp_gids, int namespace_flags, const std::string& seclabel,
Subcontext* subcontext_for_restart_commands, const std::string& filename,
const std::vector<std::string>& args);
+ Service(const Service&) = delete;
+ void operator=(const Service&) = delete;
static Result<std::unique_ptr<Service>> MakeTemporaryOneshotService(
const std::vector<std::string>& args);
@@ -103,10 +108,6 @@
size_t CheckAllCommands() const { return onrestart_.CheckAllCommands(); }
static bool is_exec_service_running() { return is_exec_service_running_; }
- static pid_t exec_service_pid() { return exec_service_pid_; }
- static std::chrono::time_point<std::chrono::steady_clock> exec_service_started() {
- return exec_service_started_;
- }
const std::string& name() const { return name_; }
const std::set<std::string>& classnames() const { return classnames_; }
@@ -142,7 +143,7 @@
flags_ &= ~SVC_ONESHOT;
}
}
- Subcontext* subcontext() const { return subcontext_; }
+ const Subcontext* subcontext() const { return subcontext_; }
const std::string& filename() const { return filename_; }
void set_filename(const std::string& name) { filename_ = name; }
@@ -150,20 +151,17 @@
void NotifyStateChange(const std::string& new_state) const;
void StopOrReset(int how);
void KillProcessGroup(int signal, bool report_oneshot = false);
- void SetProcessAttributesAndCaps();
+ void SetProcessAttributesAndCaps(InterprocessFifo setsid_finished);
void ResetFlagsForStart();
Result<void> CheckConsole();
void ConfigureMemcg();
- void RunService(
- const std::vector<Descriptor>& descriptors,
- std::unique_ptr<std::array<int, 2>, void (*)(const std::array<int, 2>* pipe)> pipefd);
+ void RunService(const std::vector<Descriptor>& descriptors, InterprocessFifo cgroups_activated,
+ InterprocessFifo setsid_finished);
void SetMountNamespace();
static unsigned long next_start_order_;
static bool is_exec_service_running_;
- static std::chrono::time_point<std::chrono::steady_clock> exec_service_started_;
- static pid_t exec_service_pid_;
- std::string name_;
+ const std::string name_;
std::set<std::string> classnames_;
unsigned flags_;
@@ -187,7 +185,7 @@
// Environment variables that only get applied to the next run.
std::vector<std::pair<std::string, std::string>> once_environment_vars_;
- Subcontext* subcontext_;
+ const Subcontext* const subcontext_;
Action onrestart_; // Commands to execute on restart.
std::vector<std::string> writepid_files_;
@@ -221,7 +219,7 @@
bool updatable_ = false;
- std::vector<std::string> args_;
+ const std::vector<std::string> args_;
std::vector<std::function<void(const siginfo_t& siginfo)>> reap_callbacks_;
diff --git a/init/service_list.cpp b/init/service_list.cpp
index 3047821..937d82e 100644
--- a/init/service_list.cpp
+++ b/init/service_list.cpp
@@ -24,8 +24,8 @@
ServiceList::ServiceList() {}
ServiceList& ServiceList::GetInstance() {
- static ServiceList instance;
- return instance;
+ static ServiceList* instance = new ServiceList;
+ return *instance;
}
size_t ServiceList::CheckAllCommands() {
diff --git a/init/service_parser.cpp b/init/service_parser.cpp
index 24a2024..3563084 100644
--- a/init/service_parser.cpp
+++ b/init/service_parser.cpp
@@ -151,6 +151,11 @@
return {};
}
+Result<void> ServiceParser::ParseGentleKill(std::vector<std::string>&& args) {
+ service_->flags_ |= SVC_GENTLE_KILL;
+ return {};
+}
+
Result<void> ServiceParser::ParseGroup(std::vector<std::string>&& args) {
auto gid = DecodeUid(args[1]);
if (!gid.ok()) {
@@ -584,6 +589,7 @@
{"disabled", {0, 0, &ServiceParser::ParseDisabled}},
{"enter_namespace", {2, 2, &ServiceParser::ParseEnterNamespace}},
{"file", {2, 2, &ServiceParser::ParseFile}},
+ {"gentle_kill", {0, 0, &ServiceParser::ParseGentleKill}},
{"group", {1, NR_SVC_SUPP_GIDS + 1, &ServiceParser::ParseGroup}},
{"interface", {2, 2, &ServiceParser::ParseInterface}},
{"ioprio", {2, 2, &ServiceParser::ParseIoprio}},
diff --git a/init/service_parser.h b/init/service_parser.h
index 54503dd..670a5c6 100644
--- a/init/service_parser.h
+++ b/init/service_parser.h
@@ -53,6 +53,7 @@
Result<void> ParseDisabled(std::vector<std::string>&& args);
Result<void> ParseEnterNamespace(std::vector<std::string>&& args);
Result<void> ParseGroup(std::vector<std::string>&& args);
+ Result<void> ParseGentleKill(std::vector<std::string>&& args);
Result<void> ParsePriority(std::vector<std::string>&& args);
Result<void> ParseInterface(std::vector<std::string>&& args);
Result<void> ParseIoprio(std::vector<std::string>&& args);
diff --git a/init/service_utils.cpp b/init/service_utils.cpp
index a14969e..7004d8d 100644
--- a/init/service_utils.cpp
+++ b/init/service_utils.cpp
@@ -52,7 +52,7 @@
if (fd == -1) {
return ErrnoError() << "Could not open namespace at " << path;
}
- if (setns(fd, nstype) == -1) {
+ if (setns(fd.get(), nstype) == -1) {
return ErrnoError() << "Could not setns() namespace at " << path;
}
return {};
@@ -127,22 +127,22 @@
void SetupStdio(bool stdio_to_kmsg) {
auto fd = unique_fd{open("/dev/null", O_RDWR | O_CLOEXEC)};
- dup2(fd, STDIN_FILENO);
+ dup2(fd.get(), STDIN_FILENO);
if (stdio_to_kmsg) {
fd.reset(open("/dev/kmsg_debug", O_WRONLY | O_CLOEXEC));
if (fd == -1) fd.reset(open("/dev/null", O_WRONLY | O_CLOEXEC));
}
- dup2(fd, STDOUT_FILENO);
- dup2(fd, STDERR_FILENO);
+ dup2(fd.get(), STDOUT_FILENO);
+ dup2(fd.get(), STDERR_FILENO);
}
void OpenConsole(const std::string& console) {
auto fd = unique_fd{open(console.c_str(), O_RDWR | O_CLOEXEC)};
if (fd == -1) fd.reset(open("/dev/null", O_RDWR | O_CLOEXEC));
- ioctl(fd, TIOCSCTTY, 0);
- dup2(fd, 0);
- dup2(fd, 1);
- dup2(fd, 2);
+ ioctl(fd.get(), TIOCSCTTY, 0);
+ dup2(fd.get(), 0);
+ dup2(fd.get(), 1);
+ dup2(fd.get(), 2);
}
} // namespace
@@ -190,7 +190,7 @@
}
// Fixup as we set O_NONBLOCK for open, the intent for fd is to block reads.
- fcntl(fd, F_SETFL, flags);
+ fcntl(fd.get(), F_SETFL, flags);
return Descriptor(ANDROID_FILE_ENV_PREFIX + name, std::move(fd));
}
@@ -232,7 +232,7 @@
return {};
}
-Result<void> SetProcessAttributes(const ProcessAttributes& attr) {
+Result<void> SetProcessAttributes(const ProcessAttributes& attr, InterprocessFifo setsid_finished) {
if (attr.ioprio_class != IoSchedClass_NONE) {
if (android_set_ioprio(getpid(), attr.ioprio_class, attr.ioprio_pri)) {
PLOG(ERROR) << "failed to set pid " << getpid() << " ioprio=" << attr.ioprio_class
@@ -240,11 +240,17 @@
}
}
- if (!attr.console.empty()) {
+ if (RequiresConsole(attr)) {
setsid();
+ setsid_finished.Write(kSetSidFinished);
+ setsid_finished.Close();
OpenConsole(attr.console);
} else {
- if (setpgid(0, getpid()) == -1) {
+ // Without PID namespaces, this call duplicates the setpgid() call from
+ // the parent process. With PID namespaces, this setpgid() call sets the
+ // process group ID for a child of the init process in the PID
+ // namespace.
+ if (setpgid(0, 0) == -1) {
return ErrnoError() << "setpgid failed";
}
SetupStdio(attr.stdio_to_kmsg);
diff --git a/init/service_utils.h b/init/service_utils.h
index 65a2012..d4143aa 100644
--- a/init/service_utils.h
+++ b/init/service_utils.h
@@ -26,12 +26,20 @@
#include <android-base/unique_fd.h>
#include <cutils/iosched_policy.h>
+#include "interprocess_fifo.h"
#include "mount_namespace.h"
#include "result.h"
namespace android {
namespace init {
+// Constants used by Service::Start() for communication between parent and child.
+enum ServiceCode : uint8_t {
+ kActivatingCgroupsFailed,
+ kCgroupsActivated,
+ kSetSidFinished,
+};
+
class Descriptor {
public:
Descriptor(const std::string& name, android::base::unique_fd fd)
@@ -89,7 +97,12 @@
int priority;
bool stdio_to_kmsg;
};
-Result<void> SetProcessAttributes(const ProcessAttributes& attr);
+
+inline bool RequiresConsole(const ProcessAttributes& attr) {
+ return !attr.console.empty();
+}
+
+Result<void> SetProcessAttributes(const ProcessAttributes& attr, InterprocessFifo setsid_finished);
Result<void> WritePidToFiles(std::vector<std::string>* files);
diff --git a/init/sigchld_handler.cpp b/init/sigchld_handler.cpp
index 6fc64df..f8c501f 100644
--- a/init/sigchld_handler.cpp
+++ b/init/sigchld_handler.cpp
@@ -24,6 +24,7 @@
#include <unistd.h>
#include <android-base/chrono_utils.h>
+#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/scopeguard.h>
#include <android-base/stringprintf.h>
@@ -36,6 +37,7 @@
using android::base::boot_clock;
using android::base::make_scope_guard;
+using android::base::ReadFileToString;
using android::base::StringPrintf;
using android::base::Timer;
@@ -51,8 +53,13 @@
return 0;
}
- auto pid = siginfo.si_pid;
- if (pid == 0) return 0;
+ const pid_t pid = siginfo.si_pid;
+ if (pid == 0) {
+ DCHECK_EQ(siginfo.si_signo, 0);
+ return 0;
+ }
+
+ DCHECK_EQ(siginfo.si_signo, SIGCHLD);
// At this point we know we have a zombie pid, so we use this scopeguard to reap the pid
// whenever the function returns from this point forward.
@@ -132,6 +139,11 @@
}
LOG(INFO) << "Waiting for " << pids.size() << " pids to be reaped took " << t << " with "
<< alive_pids.size() << " of them still running";
+ for (pid_t pid : pids) {
+ std::string status = "(no-such-pid)";
+ ReadFileToString(StringPrintf("/proc/%d/status", pid), &status);
+ LOG(INFO) << "Still running: " << pid << ' ' << status;
+ }
}
} // namespace init
diff --git a/init/snapuserd_transition.cpp b/init/snapuserd_transition.cpp
index 6972f30..3a9ff5b 100644
--- a/init/snapuserd_transition.cpp
+++ b/init/snapuserd_transition.cpp
@@ -112,6 +112,10 @@
setenv(kSnapuserdFirstStagePidVar, std::to_string(pid).c_str(), 1);
+ if (!client->RemoveTransitionedDaemonIndicator()) {
+ LOG(ERROR) << "RemoveTransitionedDaemonIndicator failed";
+ }
+
LOG(INFO) << "Relaunched snapuserd with pid: " << pid;
}
@@ -263,6 +267,19 @@
* we may see audit logs.
*/
bool SnapuserdSelinuxHelper::TestSnapuserdIsReady() {
+ // Wait for the daemon to be fully up. Daemon will write to path
+ // /metadata/ota/daemon-alive-indicator only when all the threads
+ // are ready and attached to dm-user.
+ //
+ // This check will fail for GRF devices with vendor on Android S.
+ // snapuserd binary from Android S won't be able to communicate
+ // and hence, we will fallback and issue I/O to verify
+ // the presence of daemon.
+ auto client = std::make_unique<SnapuserdClient>();
+ if (!client->IsTransitionedDaemonReady()) {
+ LOG(ERROR) << "IsTransitionedDaemonReady failed";
+ }
+
std::string dev = "/dev/block/mapper/system"s + fs_mgr_get_slot_suffix();
android::base::unique_fd fd(open(dev.c_str(), O_RDONLY | O_DIRECT));
if (fd < 0) {
diff --git a/init/subcontext.cpp b/init/subcontext.cpp
index 961e006..6a095fb 100644
--- a/init/subcontext.cpp
+++ b/init/subcontext.cpp
@@ -207,7 +207,7 @@
// We explicitly do not use O_CLOEXEC here, such that we can reference this FD by number
// in the subcontext process after we exec.
- int child_fd = dup(subcontext_socket); // NOLINT(android-cloexec-dup)
+ int child_fd = dup(subcontext_socket.get()); // NOLINT(android-cloexec-dup)
if (child_fd < 0) {
PLOG(FATAL) << "Could not dup child_fd";
}
@@ -268,12 +268,12 @@
}
Result<SubcontextReply> Subcontext::TransmitMessage(const SubcontextCommand& subcontext_command) {
- if (auto result = SendMessage(socket_, subcontext_command); !result.ok()) {
+ if (auto result = SendMessage(socket_.get(), subcontext_command); !result.ok()) {
Restart();
return ErrnoError() << "Failed to send message to subcontext";
}
- auto subcontext_message = ReadMessage(socket_);
+ auto subcontext_message = ReadMessage(socket_.get());
if (!subcontext_message.ok()) {
Restart();
return Error() << "Failed to receive result from subcontext: " << subcontext_message.error();
diff --git a/init/subcontext.h b/init/subcontext.h
index 8acc032..93ebace 100644
--- a/init/subcontext.h
+++ b/init/subcontext.h
@@ -36,8 +36,10 @@
class Subcontext {
public:
- Subcontext(std::vector<std::string> path_prefixes, std::string context, bool host = false)
- : path_prefixes_(std::move(path_prefixes)), context_(std::move(context)), pid_(0) {
+ Subcontext(std::vector<std::string> path_prefixes, std::string_view context, bool host = false)
+ : path_prefixes_(std::move(path_prefixes)),
+ context_(context.begin(), context.end()),
+ pid_(0) {
if (!host) {
Fork();
}
diff --git a/init/test_upgrade_mte/mte_upgrade_test_helper.cpp b/init/test_upgrade_mte/mte_upgrade_test_helper.cpp
index 10af06b..6728cc6 100644
--- a/init/test_upgrade_mte/mte_upgrade_test_helper.cpp
+++ b/init/test_upgrade_mte/mte_upgrade_test_helper.cpp
@@ -22,6 +22,7 @@
#include <sys/prctl.h>
#include <time.h>
#include <unistd.h>
+#include <memory>
int MaybeDowngrade() {
int res = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0);
@@ -58,7 +59,11 @@
// Disallow automatic upgrade from ASYNC mode.
if (prctl(PR_SET_TAGGED_ADDR_CTRL, res & ~PR_MTE_TCF_SYNC, 0, 0, 0) == -1) abort();
}
- volatile char* f = (char*)malloc(1);
+ std::unique_ptr<volatile char[]> f(new char[1]);
+ // This out-of-bounds is on purpose: we are testing MTE, which is designed to turn
+ // out-of-bound errors into segfaults.
+ // This binary gets run by src/com/android/tests/init/MteUpgradeTest.java, which
+ // asserts that it crashes as expected.
f[17] = 'x';
char buf[1];
read(1, buf, 1);
diff --git a/init/uevent_listener.cpp b/init/uevent_listener.cpp
index 7cd396a..5da6777 100644
--- a/init/uevent_listener.cpp
+++ b/init/uevent_listener.cpp
@@ -92,12 +92,12 @@
LOG(FATAL) << "Could not open uevent socket";
}
- fcntl(device_fd_, F_SETFL, O_NONBLOCK);
+ fcntl(device_fd_.get(), F_SETFL, O_NONBLOCK);
}
ReadUeventResult UeventListener::ReadUevent(Uevent* uevent) const {
char msg[UEVENT_MSG_LEN + 2];
- int n = uevent_kernel_multicast_recv(device_fd_, msg, UEVENT_MSG_LEN);
+ int n = uevent_kernel_multicast_recv(device_fd_.get(), msg, UEVENT_MSG_LEN);
if (n <= 0) {
if (errno != EAGAIN && errno != EWOULDBLOCK) {
PLOG(ERROR) << "Error reading from Uevent Fd";
@@ -184,9 +184,10 @@
const std::optional<std::chrono::milliseconds> relative_timeout) const {
using namespace std::chrono;
- pollfd ufd;
- ufd.events = POLLIN;
- ufd.fd = device_fd_;
+ pollfd ufd = {
+ .events = POLLIN,
+ .fd = device_fd_.get(),
+ };
auto start_time = steady_clock::now();
diff --git a/init/util.cpp b/init/util.cpp
index 3d42855..bc8ea6e 100644
--- a/init/util.cpp
+++ b/init/util.cpp
@@ -120,12 +120,12 @@
if (passcred) {
int on = 1;
- if (setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on))) {
+ if (setsockopt(fd.get(), SOL_SOCKET, SO_PASSCRED, &on, sizeof(on))) {
return ErrnoError() << "Failed to set SO_PASSCRED '" << name << "'";
}
}
- int ret = bind(fd, (struct sockaddr *) &addr, sizeof (addr));
+ int ret = bind(fd.get(), (struct sockaddr*)&addr, sizeof(addr));
int savederrno = errno;
if (!secontext.empty()) {
@@ -145,7 +145,7 @@
if (fchmodat(AT_FDCWD, addr.sun_path, perm, AT_SYMLINK_NOFOLLOW)) {
return ErrnoError() << "Failed to fchmodat socket '" << addr.sun_path << "'";
}
- if (should_listen && listen(fd, /* use OS maximum */ 1 << 30)) {
+ if (should_listen && listen(fd.get(), /* use OS maximum */ 1 << 30)) {
return ErrnoError() << "Failed to listen on socket '" << addr.sun_path << "'";
}
@@ -168,7 +168,7 @@
// For security reasons, disallow world-writable
// or group-writable files.
struct stat sb;
- if (fstat(fd, &sb) == -1) {
+ if (fstat(fd.get(), &sb) == -1) {
return ErrnoError() << "fstat failed()";
}
if ((sb.st_mode & (S_IWGRP | S_IWOTH)) != 0) {
diff --git a/janitors/OWNERS b/janitors/OWNERS
index e132f0b..d871201 100644
--- a/janitors/OWNERS
+++ b/janitors/OWNERS
@@ -1,6 +1,7 @@
# OWNERS file for projects that don't really have owners so much as volunteer janitors.
ccross@google.com
+cferris@google.com
dwillemsen@google.com
enh@google.com
narayan@google.com
-sadafebrahimi@google.com
\ No newline at end of file
+sadafebrahimi@google.com
diff --git a/libcutils/TEST_MAPPING b/libcutils/TEST_MAPPING
index 6477502..eb63aa5 100644
--- a/libcutils/TEST_MAPPING
+++ b/libcutils/TEST_MAPPING
@@ -8,5 +8,10 @@
{
"name": "libcutils_test"
}
+ ],
+ "kernel-presubmit": [
+ {
+ "name": "libcutils_test"
+ }
]
}
diff --git a/libcutils/ashmem_test.cpp b/libcutils/ashmem_test.cpp
index fb657f6..d158427 100644
--- a/libcutils/ashmem_test.cpp
+++ b/libcutils/ashmem_test.cpp
@@ -75,7 +75,7 @@
unique_fd fd;
ASSERT_NO_FATAL_FAILURE(TestCreateRegion(size, fd, PROT_READ | PROT_WRITE));
- void *region1;
+ void* region1 = nullptr;
ASSERT_NO_FATAL_FAILURE(TestMmap(fd, size, PROT_READ | PROT_WRITE, ®ion1));
memcpy(region1, &data, size);
@@ -97,7 +97,7 @@
unique_fd fd;
ASSERT_NO_FATAL_FAILURE(TestCreateRegion(size, fd, PROT_READ | PROT_WRITE));
- void *region1;
+ void* region1 = nullptr;
ASSERT_NO_FATAL_FAILURE(TestMmap(fd, size, PROT_READ | PROT_WRITE, ®ion1));
memcpy(region1, &data, size);
@@ -131,7 +131,7 @@
TEST(AshmemTest, FileOperationsTest) {
unique_fd fd;
- void* region;
+ void* region = nullptr;
// Allocate a 4-page buffer, but leave page-sized holes on either side
constexpr size_t size = PAGE_SIZE * 4;
@@ -246,7 +246,7 @@
unique_fd fd[nRegions];
for (int i = 0; i < nRegions; i++) {
ASSERT_NO_FATAL_FAILURE(TestCreateRegion(size, fd[i], PROT_READ | PROT_WRITE));
- void *region;
+ void* region = nullptr;
ASSERT_NO_FATAL_FAILURE(TestMmap(fd[i], size, PROT_READ | PROT_WRITE, ®ion));
memcpy(region, &data, size);
ASSERT_EQ(0, memcmp(region, &data, size));
diff --git a/libcutils/include/cutils/qtaguid.h b/libcutils/include/cutils/qtaguid.h
index a5ffb03..8902c2b 100644
--- a/libcutils/include/cutils/qtaguid.h
+++ b/libcutils/include/cutils/qtaguid.h
@@ -33,12 +33,6 @@
*/
extern int qtaguid_untagSocket(int sockfd);
-/*
- * Enable/disable qtaguid functionnality at a lower level.
- * When pacified, the kernel will accept commands but do nothing.
- */
-extern int qtaguid_setPacifier(int on);
-
#ifdef __cplusplus
}
#endif
diff --git a/libcutils/qtaguid.cpp b/libcutils/qtaguid.cpp
index a987b85..f847782 100644
--- a/libcutils/qtaguid.cpp
+++ b/libcutils/qtaguid.cpp
@@ -22,76 +22,60 @@
#include <dlfcn.h>
#include <errno.h>
-#include <fcntl.h>
#include <inttypes.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
#include <log/log.h>
-class netdHandler {
- public:
+struct netdHandler {
int (*netdTagSocket)(int, uint32_t, uid_t);
int (*netdUntagSocket)(int);
};
-int stubTagSocket(int, uint32_t, uid_t) {
+static int stubTagSocket(int, uint32_t, uid_t) {
return -EREMOTEIO;
}
-int stubUntagSocket(int) {
+static int stubUntagSocket(int) {
return -EREMOTEIO;
}
-netdHandler initHandler(void) {
- netdHandler handler = {stubTagSocket, stubUntagSocket};
+static netdHandler initHandler(void) {
+ const netdHandler stubHandler = { stubTagSocket, stubUntagSocket };
void* netdClientHandle = dlopen("libnetd_client.so", RTLD_NOW);
if (!netdClientHandle) {
ALOGE("Failed to open libnetd_client.so: %s", dlerror());
- return handler;
+ return stubHandler;
}
+ netdHandler handler;
handler.netdTagSocket = (int (*)(int, uint32_t, uid_t))dlsym(netdClientHandle, "tagSocket");
if (!handler.netdTagSocket) {
ALOGE("load netdTagSocket handler failed: %s", dlerror());
+ return stubHandler;
}
handler.netdUntagSocket = (int (*)(int))dlsym(netdClientHandle, "untagSocket");
if (!handler.netdUntagSocket) {
ALOGE("load netdUntagSocket handler failed: %s", dlerror());
+ return stubHandler;
}
return handler;
}
// The language guarantees that this object will be initialized in a thread-safe way.
-static netdHandler& getHandler() {
- static netdHandler instance = initHandler();
+static const netdHandler& getHandler() {
+ static const netdHandler instance = initHandler();
return instance;
}
int qtaguid_tagSocket(int sockfd, int tag, uid_t uid) {
- // Check the socket fd passed to us is still valid before we load the netd
- // client. Pass a already closed socket fd to netd client may let netd open
- // the unix socket with the same fd number and pass it to server for
- // tagging.
- // TODO: move the check into netdTagSocket.
- int res = fcntl(sockfd, F_GETFD);
- if (res < 0) return res;
-
ALOGV("Tagging socket %d with tag %u for uid %d", sockfd, tag, uid);
return getHandler().netdTagSocket(sockfd, tag, uid);
}
int qtaguid_untagSocket(int sockfd) {
- // Similiar to tag socket. We need a check before untag to make sure untag a closed socket fail
- // as expected.
- // TODO: move the check into netdTagSocket.
- int res = fcntl(sockfd, F_GETFD);
- if (res < 0) return res;
-
ALOGV("Untagging socket %d", sockfd);
return getHandler().netdUntagSocket(sockfd);
}
diff --git a/libcutils/sched_policy_test.cpp b/libcutils/sched_policy_test.cpp
index b9e2832..50bd6d0 100644
--- a/libcutils/sched_policy_test.cpp
+++ b/libcutils/sched_policy_test.cpp
@@ -75,9 +75,11 @@
}
ASSERT_EQ(0, set_sched_policy(0, SP_BACKGROUND));
+ ASSERT_EQ(0, set_cpuset_policy(0, SP_BACKGROUND));
AssertPolicy(SP_BACKGROUND);
ASSERT_EQ(0, set_sched_policy(0, SP_FOREGROUND));
+ ASSERT_EQ(0, set_cpuset_policy(0, SP_FOREGROUND));
AssertPolicy(SP_FOREGROUND);
}
diff --git a/libdiskconfig/diskconfig.c b/libdiskconfig/diskconfig.c
index c7e1b43..5f34748 100644
--- a/libdiskconfig/diskconfig.c
+++ b/libdiskconfig/diskconfig.c
@@ -398,7 +398,7 @@
case PART_SCHEME_GPT:
/* not supported yet */
default:
- ALOGE("Uknown partition scheme.");
+ ALOGE("Unknown partition scheme.");
break;
}
diff --git a/libprocessgroup/OWNERS b/libprocessgroup/OWNERS
index 8ebb8cc..d5aa721 100644
--- a/libprocessgroup/OWNERS
+++ b/libprocessgroup/OWNERS
@@ -1,2 +1,4 @@
-ccross@google.com
+# Bug component: 1293033
surenb@google.com
+tjmercier@google.com
+carlosgalo@google.com
diff --git a/libprocessgroup/cgroup_map.cpp b/libprocessgroup/cgroup_map.cpp
index 8c00326..ce7f10b 100644
--- a/libprocessgroup/cgroup_map.cpp
+++ b/libprocessgroup/cgroup_map.cpp
@@ -49,7 +49,7 @@
static constexpr const char* CGROUP_PROCS_FILE = "/cgroup.procs";
static constexpr const char* CGROUP_TASKS_FILE = "/tasks";
-static constexpr const char* CGROUP_TASKS_FILE_V2 = "/cgroup.tasks";
+static constexpr const char* CGROUP_TASKS_FILE_V2 = "/cgroup.threads";
uint32_t CgroupController::version() const {
CHECK(HasValue());
@@ -229,12 +229,17 @@
auto controller_count = ACgroupFile_getControllerCount();
for (uint32_t i = 0; i < controller_count; ++i) {
const ACgroupController* controller = ACgroupFile_getController(i);
- if (ACgroupController_getFlags(controller) &
- CGROUPRC_CONTROLLER_FLAG_NEEDS_ACTIVATION) {
+ const uint32_t flags = ACgroupController_getFlags(controller);
+ if (flags & CGROUPRC_CONTROLLER_FLAG_NEEDS_ACTIVATION) {
std::string str("+");
str.append(ACgroupController_getName(controller));
if (!WriteStringToFile(str, path + "/cgroup.subtree_control")) {
- return -errno;
+ if (flags & CGROUPRC_CONTROLLER_FLAG_OPTIONAL) {
+ PLOG(WARNING) << "Activation of cgroup controller " << str
+ << " failed in path " << path;
+ } else {
+ return -errno;
+ }
}
}
}
diff --git a/libprocessgroup/processgroup.cpp b/libprocessgroup/processgroup.cpp
index 3fac373..1da69ba 100644
--- a/libprocessgroup/processgroup.cpp
+++ b/libprocessgroup/processgroup.cpp
@@ -367,59 +367,70 @@
// Returns 0 if there are no processes in the process cgroup left to kill
// Returns -1 on error
static int DoKillProcessGroupOnce(const char* cgroup, uid_t uid, int initialPid, int signal) {
- auto path = ConvertUidPidToPath(cgroup, uid, initialPid) + PROCESSGROUP_CGROUP_PROCS_FILE;
- std::unique_ptr<FILE, decltype(&fclose)> fd(fopen(path.c_str(), "re"), fclose);
- if (!fd) {
- if (errno == ENOENT) {
- // This happens when process is already dead
- return 0;
- }
- PLOG(WARNING) << __func__ << " failed to open process cgroup uid " << uid << " pid "
- << initialPid;
- return -1;
- }
-
// We separate all of the pids in the cgroup into those pids that are also the leaders of
// process groups (stored in the pgids set) and those that are not (stored in the pids set).
std::set<pid_t> pgids;
pgids.emplace(initialPid);
std::set<pid_t> pids;
- pid_t pid;
+ std::unique_ptr<FILE, decltype(&fclose)> fd(nullptr, fclose);
+
+ if (CgroupsAvailable()) {
+ auto path = ConvertUidPidToPath(cgroup, uid, initialPid) + PROCESSGROUP_CGROUP_PROCS_FILE;
+ fd.reset(fopen(path.c_str(), "re"));
+ if (!fd) {
+ if (errno == ENOENT) {
+ // This happens when process is already dead
+ return 0;
+ }
+ PLOG(WARNING) << __func__ << " failed to open process cgroup uid " << uid << " pid "
+ << initialPid;
+ return -1;
+ }
+ pid_t pid;
+ bool file_is_empty = true;
+ while (fscanf(fd.get(), "%d\n", &pid) == 1 && pid >= 0) {
+ file_is_empty = false;
+ if (pid == 0) {
+ // Should never happen... but if it does, trying to kill this
+ // will boomerang right back and kill us! Let's not let that happen.
+ LOG(WARNING)
+ << "Yikes, we've been told to kill pid 0! How about we don't do that?";
+ continue;
+ }
+ pid_t pgid = getpgid(pid);
+ if (pgid == -1) PLOG(ERROR) << "getpgid(" << pid << ") failed";
+ if (pgid == pid) {
+ pgids.emplace(pid);
+ } else {
+ pids.emplace(pid);
+ }
+ }
+ if (file_is_empty) {
+ // This happens when process is already dead
+ return 0;
+ }
+
+ // Erase all pids that will be killed when we kill the process groups.
+ for (auto it = pids.begin(); it != pids.end();) {
+ pid_t pgid = getpgid(*it);
+ if (pgids.count(pgid) == 1) {
+ it = pids.erase(it);
+ } else {
+ ++it;
+ }
+ }
+ }
+
int processes = 0;
- while (fscanf(fd.get(), "%d\n", &pid) == 1 && pid >= 0) {
- processes++;
- if (pid == 0) {
- // Should never happen... but if it does, trying to kill this
- // will boomerang right back and kill us! Let's not let that happen.
- LOG(WARNING) << "Yikes, we've been told to kill pid 0! How about we don't do that?";
- continue;
- }
- pid_t pgid = getpgid(pid);
- if (pgid == -1) PLOG(ERROR) << "getpgid(" << pid << ") failed";
- if (pgid == pid) {
- pgids.emplace(pid);
- } else {
- pids.emplace(pid);
- }
- }
-
- // Erase all pids that will be killed when we kill the process groups.
- for (auto it = pids.begin(); it != pids.end();) {
- pid_t pgid = getpgid(*it);
- if (pgids.count(pgid) == 1) {
- it = pids.erase(it);
- } else {
- ++it;
- }
- }
-
// Kill all process groups.
for (const auto pgid : pgids) {
LOG(VERBOSE) << "Killing process group " << -pgid << " in uid " << uid
<< " as part of process cgroup " << initialPid;
- if (kill(-pgid, signal) == -1 && errno != ESRCH) {
+ if (kill(-pgid, signal) == 0) {
+ processes++;
+ } else if (errno != ESRCH) {
PLOG(WARNING) << "kill(" << -pgid << ", " << signal << ") failed";
}
}
@@ -429,18 +440,22 @@
LOG(VERBOSE) << "Killing pid " << pid << " in uid " << uid << " as part of process cgroup "
<< initialPid;
- if (kill(pid, signal) == -1 && errno != ESRCH) {
+ if (kill(pid, signal) == 0) {
+ processes++;
+ } else if (errno != ESRCH) {
PLOG(WARNING) << "kill(" << pid << ", " << signal << ") failed";
}
}
- return feof(fd.get()) ? processes : -1;
+ return (!fd || feof(fd.get())) ? processes : -1;
}
static int KillProcessGroup(uid_t uid, int initialPid, int signal, int retries,
int* max_processes) {
std::string hierarchy_root_path;
- CgroupGetControllerPath(CGROUPV2_CONTROLLER_NAME, &hierarchy_root_path);
+ if (CgroupsAvailable()) {
+ CgroupGetControllerPath(CGROUPV2_CONTROLLER_NAME, &hierarchy_root_path);
+ }
const char* cgroup = hierarchy_root_path.c_str();
std::chrono::steady_clock::time_point start = std::chrono::steady_clock::now();
@@ -456,6 +471,11 @@
*max_processes = processes;
}
LOG(VERBOSE) << "Killed " << processes << " processes for processgroup " << initialPid;
+ if (!CgroupsAvailable()) {
+ // makes no sense to retry, because there are no cgroup_procs file
+ processes = 0; // no remaining processes
+ break;
+ }
if (retry > 0) {
std::this_thread::sleep_for(5ms);
--retry;
@@ -485,6 +505,11 @@
<< " in " << static_cast<int>(ms) << "ms";
}
+ if (!CgroupsAvailable()) {
+ // nothing to do here, if cgroups isn't available
+ return 0;
+ }
+
// 400 retries correspond to 2 secs max timeout
int err = RemoveProcessGroup(cgroup, uid, initialPid, 400);
diff --git a/libprocessgroup/profiles/task_profiles.json b/libprocessgroup/profiles/task_profiles.json
index 15f95fc..e44d3bf 100644
--- a/libprocessgroup/profiles/task_profiles.json
+++ b/libprocessgroup/profiles/task_profiles.json
@@ -80,17 +80,20 @@
{
"Name": "BfqWeight",
"Controller": "io",
- "File": "io.bfq.weight"
+ "File": "blkio.bfq.weight",
+ "FileV2": "io.bfq.weight"
},
{
"Name": "CfqGroupIdle",
"Controller": "io",
- "File": "io.group_idle"
+ "File": "blkio.group_idle",
+ "FileV2": "io.group_idle"
},
{
"Name": "CfqWeight",
"Controller": "io",
- "File": "io.weight"
+ "File": "blkio.weight",
+ "FileV2": "io.weight"
}
],
@@ -459,7 +462,7 @@
{
"Controller": "blkio",
"Path": "background"
- }
+ }
},
{
"Name": "SetAttribute",
@@ -499,7 +502,7 @@
{
"Controller": "blkio",
"Path": ""
- }
+ }
},
{
"Name": "SetAttribute",
@@ -539,7 +542,7 @@
{
"Controller": "blkio",
"Path": ""
- }
+ }
},
{
"Name": "SetAttribute",
@@ -579,7 +582,7 @@
{
"Controller": "blkio",
"Path": ""
- }
+ }
},
{
"Name": "SetAttribute",
@@ -806,6 +809,10 @@
"Profiles": [ "Dex2oatPerformance", "LowIoPriority", "TimerSlackHigh" ]
},
{
+ "Name": "Dex2OatBackground",
+ "Profiles": [ "Dex2OatBootComplete" ]
+ },
+ {
"Name": "OtaProfiles",
"Profiles": [ "ServiceCapacityLow", "LowIoPriority", "HighEnergySaving" ]
}
diff --git a/libprocessgroup/setup/cgroup_map_write.cpp b/libprocessgroup/setup/cgroup_map_write.cpp
index 304248a..fbeedf9 100644
--- a/libprocessgroup/setup/cgroup_map_write.cpp
+++ b/libprocessgroup/setup/cgroup_map_write.cpp
@@ -254,86 +254,64 @@
// To avoid issues in sdk_mac build
#if defined(__ANDROID__)
-static bool SetupCgroup(const CgroupDescriptor& descriptor) {
+static bool IsOptionalController(const format::CgroupController* controller) {
+ return controller->flags() & CGROUPRC_CONTROLLER_FLAG_OPTIONAL;
+}
+
+static bool MountV2CgroupController(const CgroupDescriptor& descriptor) {
const format::CgroupController* controller = descriptor.controller();
- int result;
- if (controller->version() == 2) {
- result = 0;
- if (!strcmp(controller->name(), CGROUPV2_CONTROLLER_NAME)) {
- // /sys/fs/cgroup is created by cgroup2 with specific selinux permissions,
- // try to create again in case the mount point is changed
- if (!Mkdir(controller->path(), 0, "", "")) {
- LOG(ERROR) << "Failed to create directory for " << controller->name() << " cgroup";
- return false;
- }
+ // /sys/fs/cgroup is created by cgroup2 with specific selinux permissions,
+ // try to create again in case the mount point is changed
+ if (!Mkdir(controller->path(), 0, "", "")) {
+ LOG(ERROR) << "Failed to create directory for " << controller->name() << " cgroup";
+ return false;
+ }
- // The memory_recursiveprot mount option has been introduced by kernel commit
- // 8a931f801340 ("mm: memcontrol: recursive memory.low protection"; v5.7). Try first to
- // mount with that option enabled. If mounting fails because the kernel is too old,
- // retry without that mount option.
- if (mount("none", controller->path(), "cgroup2", MS_NODEV | MS_NOEXEC | MS_NOSUID,
- "memory_recursiveprot") < 0) {
- LOG(INFO) << "Mounting memcg with memory_recursiveprot failed. Retrying without.";
- if (mount("none", controller->path(), "cgroup2", MS_NODEV | MS_NOEXEC | MS_NOSUID,
- nullptr) < 0) {
- PLOG(ERROR) << "Failed to mount cgroup v2";
- }
- }
-
- // selinux permissions change after mounting, so it's ok to change mode and owner now
- if (!ChangeDirModeAndOwner(controller->path(), descriptor.mode(), descriptor.uid(),
- descriptor.gid())) {
- LOG(ERROR) << "Failed to create directory for " << controller->name() << " cgroup";
- result = -1;
- }
- } else {
- if (!Mkdir(controller->path(), descriptor.mode(), descriptor.uid(), descriptor.gid())) {
- LOG(ERROR) << "Failed to create directory for " << controller->name() << " cgroup";
- return false;
- }
-
- if (controller->flags() & CGROUPRC_CONTROLLER_FLAG_NEEDS_ACTIVATION) {
- std::string str = std::string("+") + controller->name();
- std::string path = std::string(controller->path()) + "/cgroup.subtree_control";
-
- if (!base::WriteStringToFile(str, path)) {
- LOG(ERROR) << "Failed to activate controller " << controller->name();
- return false;
- }
- }
- }
- } else {
- // mkdir <path> [mode] [owner] [group]
- if (!Mkdir(controller->path(), descriptor.mode(), descriptor.uid(), descriptor.gid())) {
- LOG(ERROR) << "Failed to create directory for " << controller->name() << " cgroup";
- return false;
- }
-
- // Unfortunately historically cpuset controller was mounted using a mount command
- // different from all other controllers. This results in controller attributes not
- // to be prepended with controller name. For example this way instead of
- // /dev/cpuset/cpuset.cpus the attribute becomes /dev/cpuset/cpus which is what
- // the system currently expects.
- if (!strcmp(controller->name(), "cpuset")) {
- // mount cpuset none /dev/cpuset nodev noexec nosuid
- result = mount("none", controller->path(), controller->name(),
- MS_NODEV | MS_NOEXEC | MS_NOSUID, nullptr);
- } else {
- // mount cgroup none <path> nodev noexec nosuid <controller>
- result = mount("none", controller->path(), "cgroup", MS_NODEV | MS_NOEXEC | MS_NOSUID,
- controller->name());
+ // The memory_recursiveprot mount option has been introduced by kernel commit
+ // 8a931f801340 ("mm: memcontrol: recursive memory.low protection"; v5.7). Try first to
+ // mount with that option enabled. If mounting fails because the kernel is too old,
+ // retry without that mount option.
+ if (mount("none", controller->path(), "cgroup2", MS_NODEV | MS_NOEXEC | MS_NOSUID,
+ "memory_recursiveprot") < 0) {
+ LOG(INFO) << "Mounting memcg with memory_recursiveprot failed. Retrying without.";
+ if (mount("none", controller->path(), "cgroup2", MS_NODEV | MS_NOEXEC | MS_NOSUID,
+ nullptr) < 0) {
+ PLOG(ERROR) << "Failed to mount cgroup v2";
+ return IsOptionalController(controller);
}
}
- if (result < 0) {
- bool optional = controller->flags() & CGROUPRC_CONTROLLER_FLAG_OPTIONAL;
+ // selinux permissions change after mounting, so it's ok to change mode and owner now
+ if (!ChangeDirModeAndOwner(controller->path(), descriptor.mode(), descriptor.uid(),
+ descriptor.gid())) {
+ PLOG(ERROR) << "Change of ownership or mode failed for controller " << controller->name();
+ return IsOptionalController(controller);
+ }
- if (optional && errno == EINVAL) {
- // Optional controllers are allowed to fail to mount if kernel does not support them
- LOG(INFO) << "Optional " << controller->name() << " cgroup controller is not mounted";
- } else {
- PLOG(ERROR) << "Failed to mount " << controller->name() << " cgroup";
+ return true;
+}
+
+static bool ActivateV2CgroupController(const CgroupDescriptor& descriptor) {
+ const format::CgroupController* controller = descriptor.controller();
+
+ if (!Mkdir(controller->path(), descriptor.mode(), descriptor.uid(), descriptor.gid())) {
+ LOG(ERROR) << "Failed to create directory for " << controller->name() << " cgroup";
+ return false;
+ }
+
+ if (controller->flags() & CGROUPRC_CONTROLLER_FLAG_NEEDS_ACTIVATION) {
+ std::string str = "+";
+ str += controller->name();
+ std::string path = controller->path();
+ path += "/cgroup.subtree_control";
+
+ if (!base::WriteStringToFile(str, path)) {
+ if (IsOptionalController(controller)) {
+ PLOG(INFO) << "Failed to activate optional controller " << controller->name();
+ return true;
+ }
+ PLOG(ERROR) << "Failed to activate controller " << controller->name();
return false;
}
}
@@ -341,6 +319,55 @@
return true;
}
+static bool MountV1CgroupController(const CgroupDescriptor& descriptor) {
+ const format::CgroupController* controller = descriptor.controller();
+
+ // mkdir <path> [mode] [owner] [group]
+ if (!Mkdir(controller->path(), descriptor.mode(), descriptor.uid(), descriptor.gid())) {
+ LOG(ERROR) << "Failed to create directory for " << controller->name() << " cgroup";
+ return false;
+ }
+
+ // Unfortunately historically cpuset controller was mounted using a mount command
+ // different from all other controllers. This results in controller attributes not
+ // to be prepended with controller name. For example this way instead of
+ // /dev/cpuset/cpuset.cpus the attribute becomes /dev/cpuset/cpus which is what
+ // the system currently expects.
+ int res;
+ if (!strcmp(controller->name(), "cpuset")) {
+ // mount cpuset none /dev/cpuset nodev noexec nosuid
+ res = mount("none", controller->path(), controller->name(),
+ MS_NODEV | MS_NOEXEC | MS_NOSUID, nullptr);
+ } else {
+ // mount cgroup none <path> nodev noexec nosuid <controller>
+ res = mount("none", controller->path(), "cgroup", MS_NODEV | MS_NOEXEC | MS_NOSUID,
+ controller->name());
+ }
+ if (res != 0) {
+ if (IsOptionalController(controller)) {
+ PLOG(INFO) << "Failed to mount optional controller " << controller->name();
+ return true;
+ }
+ PLOG(ERROR) << "Failed to mount controller " << controller->name();
+ return false;
+ }
+ return true;
+}
+
+static bool SetupCgroup(const CgroupDescriptor& descriptor) {
+ const format::CgroupController* controller = descriptor.controller();
+
+ if (controller->version() == 2) {
+ if (!strcmp(controller->name(), CGROUPV2_CONTROLLER_NAME)) {
+ return MountV2CgroupController(descriptor);
+ } else {
+ return ActivateV2CgroupController(descriptor);
+ }
+ } else {
+ return MountV1CgroupController(descriptor);
+ }
+}
+
#else
// Stubs for non-Android targets.
diff --git a/libsparse/append2simg.cpp b/libsparse/append2simg.cpp
index 99f4339..d3a43a8 100644
--- a/libsparse/append2simg.cpp
+++ b/libsparse/append2simg.cpp
@@ -64,60 +64,60 @@
input_path = argv[2];
} else {
usage();
- exit(-1);
+ exit(EXIT_FAILURE);
}
ret = asprintf(&tmp_path, "%s.append2simg", output_path);
if (ret < 0) {
fprintf(stderr, "Couldn't allocate filename\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
output = open(output_path, O_RDWR | O_BINARY);
if (output < 0) {
fprintf(stderr, "Couldn't open output file (%s)\n", strerror(errno));
- exit(-1);
+ exit(EXIT_FAILURE);
}
sparse_output = sparse_file_import_auto(output, false, true);
if (!sparse_output) {
fprintf(stderr, "Couldn't import output file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
input = open(input_path, O_RDONLY | O_BINARY);
if (input < 0) {
fprintf(stderr, "Couldn't open input file (%s)\n", strerror(errno));
- exit(-1);
+ exit(EXIT_FAILURE);
}
input_len = lseek64(input, 0, SEEK_END);
if (input_len < 0) {
fprintf(stderr, "Couldn't get input file length (%s)\n", strerror(errno));
- exit(-1);
+ exit(EXIT_FAILURE);
} else if (input_len % sparse_output->block_size) {
fprintf(stderr, "Input file is not a multiple of the output file's block size");
- exit(-1);
+ exit(EXIT_FAILURE);
}
lseek64(input, 0, SEEK_SET);
output_block = sparse_output->len / sparse_output->block_size;
if (sparse_file_add_fd(sparse_output, input, 0, input_len, output_block) < 0) {
fprintf(stderr, "Couldn't add input file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
sparse_output->len += input_len;
tmp_fd = open(tmp_path, O_WRONLY | O_CREAT | O_BINARY, 0664);
if (tmp_fd < 0) {
fprintf(stderr, "Couldn't open temporary file (%s)\n", strerror(errno));
- exit(-1);
+ exit(EXIT_FAILURE);
}
lseek64(output, 0, SEEK_SET);
if (sparse_file_write(sparse_output, tmp_fd, false, true, false) < 0) {
fprintf(stderr, "Failed to write sparse file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
sparse_file_destroy(sparse_output);
@@ -128,10 +128,10 @@
ret = rename(tmp_path, output_path);
if (ret < 0) {
fprintf(stderr, "Failed to rename temporary file (%s)\n", strerror(errno));
- exit(-1);
+ exit(EXIT_FAILURE);
}
free(tmp_path);
- exit(0);
+ exit(EXIT_SUCCESS);
}
diff --git a/libsparse/img2simg.cpp b/libsparse/img2simg.cpp
index 51580f7..c390506 100644
--- a/libsparse/img2simg.cpp
+++ b/libsparse/img2simg.cpp
@@ -61,14 +61,14 @@
break;
default:
usage();
- exit(-1);
+ exit(EXIT_FAILURE);
}
}
extra = argc - optind;
if (extra < 2 || extra > 3) {
usage();
- exit(-1);
+ exit(EXIT_FAILURE);
}
if (extra == 3) {
@@ -77,7 +77,7 @@
if (block_size < 1024 || block_size % 4 != 0) {
usage();
- exit(-1);
+ exit(EXIT_FAILURE);
}
arg_in = argv[optind];
@@ -87,7 +87,7 @@
in = open(arg_in, O_RDONLY | O_BINARY);
if (in < 0) {
fprintf(stderr, "Cannot open input file %s\n", arg_in);
- exit(-1);
+ exit(EXIT_FAILURE);
}
}
@@ -98,7 +98,7 @@
out = open(arg_out, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664);
if (out < 0) {
fprintf(stderr, "Cannot open output file %s\n", arg_out);
- exit(-1);
+ exit(EXIT_FAILURE);
}
}
@@ -108,24 +108,24 @@
s = sparse_file_new(block_size, len);
if (!s) {
fprintf(stderr, "Failed to create sparse file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
sparse_file_verbose(s);
ret = sparse_file_read(s, in, mode, false);
if (ret) {
fprintf(stderr, "Failed to read file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
ret = sparse_file_write(s, out, false, true, false);
if (ret) {
fprintf(stderr, "Failed to write sparse file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
close(in);
close(out);
- exit(0);
+ exit(EXIT_SUCCESS);
}
diff --git a/libsparse/simg2img.cpp b/libsparse/simg2img.cpp
index 8ba5f69..2301a83 100644
--- a/libsparse/simg2img.cpp
+++ b/libsparse/simg2img.cpp
@@ -41,13 +41,13 @@
if (argc < 3) {
usage();
- exit(-1);
+ exit(EXIT_FAILURE);
}
out = open(argv[argc - 1], O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664);
if (out < 0) {
fprintf(stderr, "Cannot open output file %s\n", argv[argc - 1]);
- exit(-1);
+ exit(EXIT_FAILURE);
}
for (i = 1; i < argc - 1; i++) {
@@ -57,14 +57,14 @@
in = open(argv[i], O_RDONLY | O_BINARY);
if (in < 0) {
fprintf(stderr, "Cannot open input file %s\n", argv[i]);
- exit(-1);
+ exit(EXIT_FAILURE);
}
}
s = sparse_file_import(in, true, false);
if (!s) {
fprintf(stderr, "Failed to read sparse file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
if (lseek(out, 0, SEEK_SET) == -1) {
@@ -74,7 +74,7 @@
if (sparse_file_write(s, out, false, false, false) < 0) {
fprintf(stderr, "Cannot write output file\n");
- exit(-1);
+ exit(EXIT_FAILURE);
}
sparse_file_destroy(s);
close(in);
@@ -82,5 +82,5 @@
close(out);
- exit(0);
+ exit(EXIT_SUCCESS);
}
diff --git a/libsparse/simg2simg.cpp b/libsparse/simg2simg.cpp
deleted file mode 100644
index a2c296e..0000000
--- a/libsparse/simg2simg.cpp
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define _FILE_OFFSET_BITS 64
-#define _LARGEFILE64_SOURCE 1
-
-#include <fcntl.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <sparse/sparse.h>
-
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
-
-void usage() {
- fprintf(stderr, "Usage: simg2simg <sparse image file> <sparse_image_file> <max_size>\n");
-}
-
-int main(int argc, char* argv[]) {
- int in;
- int out;
- int i;
- int ret;
- struct sparse_file* s;
- int64_t max_size;
- struct sparse_file** out_s;
- int files;
- char filename[4096];
-
- if (argc != 4) {
- usage();
- exit(-1);
- }
-
- max_size = atoll(argv[3]);
-
- in = open(argv[1], O_RDONLY | O_BINARY);
- if (in < 0) {
- fprintf(stderr, "Cannot open input file %s\n", argv[1]);
- exit(-1);
- }
-
- s = sparse_file_import(in, true, false);
- if (!s) {
- fprintf(stderr, "Failed to import sparse file\n");
- exit(-1);
- }
-
- files = sparse_file_resparse(s, max_size, nullptr, 0);
- if (files < 0) {
- fprintf(stderr, "Failed to resparse\n");
- exit(-1);
- }
-
- out_s = calloc(sizeof(struct sparse_file*), files);
- if (!out_s) {
- fprintf(stderr, "Failed to allocate sparse file array\n");
- exit(-1);
- }
-
- files = sparse_file_resparse(s, max_size, out_s, files);
- if (files < 0) {
- fprintf(stderr, "Failed to resparse\n");
- exit(-1);
- }
-
- for (i = 0; i < files; i++) {
- ret = snprintf(filename, sizeof(filename), "%s.%d", argv[2], i);
- if (ret >= (int)sizeof(filename)) {
- fprintf(stderr, "Filename too long\n");
- exit(-1);
- }
-
- out = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664);
- if (out < 0) {
- fprintf(stderr, "Cannot open output file %s\n", argv[2]);
- exit(-1);
- }
-
- ret = sparse_file_write(out_s[i], out, false, true, false);
- if (ret) {
- fprintf(stderr, "Failed to write sparse file\n");
- exit(-1);
- }
- close(out);
- }
-
- close(in);
-
- exit(0);
-}
diff --git a/libstats/expresslog/.clang-format b/libstats/expresslog/.clang-format
new file mode 100644
index 0000000..cead3a0
--- /dev/null
+++ b/libstats/expresslog/.clang-format
@@ -0,0 +1,17 @@
+BasedOnStyle: Google
+AllowShortIfStatementsOnASingleLine: true
+AllowShortFunctionsOnASingleLine: false
+AllowShortLoopsOnASingleLine: true
+BinPackArguments: true
+BinPackParameters: true
+ColumnLimit: 100
+CommentPragmas: NOLINT:.*
+ContinuationIndentWidth: 8
+DerivePointerAlignment: false
+IndentWidth: 4
+PointerAlignment: Left
+TabWidth: 4
+AccessModifierOffset: -4
+IncludeCategories:
+ - Regex: '^"Log\.h"'
+ Priority: -1
diff --git a/libstats/expresslog/Android.bp b/libstats/expresslog/Android.bp
new file mode 100644
index 0000000..004f8b9
--- /dev/null
+++ b/libstats/expresslog/Android.bp
@@ -0,0 +1,113 @@
+
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+package {
+ default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_defaults {
+ name: "expresslog_defaults",
+ srcs: [
+ "Counter.cpp",
+ "Histogram.cpp",
+ ],
+}
+
+cc_library {
+ name: "libexpresslog",
+ defaults: ["expresslog_defaults"],
+ cflags: [
+ "-DNAMESPACE_FOR_HASH_FUNCTIONS=farmhash",
+ "-Wall",
+ "-Werror",
+ ],
+ header_libs: [
+ "libtextclassifier_hash_headers",
+ ],
+ static_libs: [
+ "libstatslog_express",
+ "libtextclassifier_hash_static",
+ ],
+ shared_libs: [
+ "libbase",
+ "liblog",
+ "libstatssocket",
+ ],
+ export_include_dirs: ["include"],
+}
+
+genrule {
+ name: "statslog_express.h",
+ tools: ["stats-log-api-gen"],
+ cmd: "$(location stats-log-api-gen) --header $(genDir)/statslog_express.h --module expresslog --namespace android,expresslog",
+ out: [
+ "statslog_express.h",
+ ],
+}
+
+genrule {
+ name: "statslog_express.cpp",
+ tools: ["stats-log-api-gen"],
+ cmd: "$(location stats-log-api-gen) --cpp $(genDir)/statslog_express.cpp --module expresslog --namespace android,expresslog --importHeader statslog_express.h",
+ out: [
+ "statslog_express.cpp",
+ ],
+}
+
+cc_library_static {
+ name: "libstatslog_express",
+ generated_sources: ["statslog_express.cpp"],
+ generated_headers: ["statslog_express.h"],
+ export_generated_headers: ["statslog_express.h"],
+ shared_libs: [
+ "libstatssocket",
+ ],
+}
+
+cc_test {
+ name: "expresslog_test",
+ defaults: ["expresslog_defaults"],
+ test_suites: [
+ "general-tests",
+ ],
+ srcs: [
+ "tests/Histogram_test.cpp",
+ ],
+ local_include_dirs: [
+ "include",
+ ],
+ cflags: [
+ "-DNAMESPACE_FOR_HASH_FUNCTIONS=farmhash",
+ "-Wall",
+ "-Wextra",
+ "-Wunused",
+ "-Wpedantic",
+ "-Werror",
+ ],
+ header_libs: [
+ "libtextclassifier_hash_headers",
+ ],
+ static_libs: [
+ "libgmock",
+ "libbase",
+ "liblog",
+ "libstatslog_express",
+ "libtextclassifier_hash_static",
+ ],
+ shared_libs: [
+ "libstatssocket",
+ ]
+}
diff --git a/libstats/expresslog/Counter.cpp b/libstats/expresslog/Counter.cpp
new file mode 100644
index 0000000..bee1303
--- /dev/null
+++ b/libstats/expresslog/Counter.cpp
@@ -0,0 +1,32 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "include/Counter.h"
+
+#include <statslog_express.h>
+#include <string.h>
+#include <utils/hash/farmhash.h>
+
+namespace android {
+namespace expresslog {
+
+void Counter::logIncrement(const char* metricName, int64_t amount) {
+ const int64_t metricIdHash = farmhash::Fingerprint64(metricName, strlen(metricName));
+ stats_write(EXPRESS_EVENT_REPORTED, metricIdHash, amount);
+}
+
+} // namespace expresslog
+} // namespace android
diff --git a/libstats/expresslog/Histogram.cpp b/libstats/expresslog/Histogram.cpp
new file mode 100644
index 0000000..cb29a00
--- /dev/null
+++ b/libstats/expresslog/Histogram.cpp
@@ -0,0 +1,75 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "include/Histogram.h"
+
+#define LOG_TAG "tex"
+
+#include <log/log.h>
+#include <statslog_express.h>
+#include <string.h>
+#include <utils/hash/farmhash.h>
+
+namespace android {
+namespace expresslog {
+
+std::shared_ptr<Histogram::UniformOptions> Histogram::UniformOptions::create(
+ int binCount, float minValue, float exclusiveMaxValue) {
+ if (binCount < 1) {
+ ALOGE("Bin count should be positive number");
+ return nullptr;
+ }
+
+ if (exclusiveMaxValue <= minValue) {
+ ALOGE("Bins range invalid (maxValue < minValue)");
+ return nullptr;
+ }
+
+ return std::shared_ptr<UniformOptions>(
+ new UniformOptions(binCount, minValue, exclusiveMaxValue));
+}
+
+Histogram::UniformOptions::UniformOptions(int binCount, float minValue, float exclusiveMaxValue)
+ : // Implicitly add 2 for the extra undeflow & overflow bins
+ mBinCount(binCount + 2),
+ mMinValue(minValue),
+ mExclusiveMaxValue(exclusiveMaxValue),
+ mBinSize((exclusiveMaxValue - minValue) / binCount) {
+}
+
+int Histogram::UniformOptions::getBinForSample(float sample) const {
+ if (sample < mMinValue) {
+ // goes to underflow
+ return 0;
+ } else if (sample >= mExclusiveMaxValue) {
+ // goes to overflow
+ return mBinCount - 1;
+ }
+ return (int)((sample - mMinValue) / mBinSize + 1);
+}
+
+Histogram::Histogram(const char* metricName, std::shared_ptr<BinOptions> binOptions)
+ : mMetricIdHash(farmhash::Fingerprint64(metricName, strlen(metricName))),
+ mBinOptions(std::move(binOptions)) {
+}
+
+void Histogram::logSample(float sample) const {
+ const int binIndex = mBinOptions->getBinForSample(sample);
+ stats_write(EXPRESS_HISTOGRAM_SAMPLE_REPORTED, mMetricIdHash, /*count*/ 1, binIndex);
+}
+
+} // namespace expresslog
+} // namespace android
diff --git a/libstats/expresslog/include/Counter.h b/libstats/expresslog/include/Counter.h
new file mode 100644
index 0000000..57328f5
--- /dev/null
+++ b/libstats/expresslog/include/Counter.h
@@ -0,0 +1,30 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#pragma once
+#include <stdint.h>
+
+namespace android {
+namespace expresslog {
+
+/** Counter encapsulates StatsD write API calls */
+class Counter final {
+public:
+ static void logIncrement(const char* metricId, int64_t amount = 1);
+};
+
+} // namespace expresslog
+} // namespace android
diff --git a/libstats/expresslog/include/Histogram.h b/libstats/expresslog/include/Histogram.h
new file mode 100644
index 0000000..8fdc1b6
--- /dev/null
+++ b/libstats/expresslog/include/Histogram.h
@@ -0,0 +1,81 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#pragma once
+#include <stdint.h>
+
+#include <memory>
+
+namespace android {
+namespace expresslog {
+
+/** Histogram encapsulates StatsD write API calls */
+class Histogram final {
+public:
+ class BinOptions {
+ public:
+ virtual ~BinOptions() = default;
+ /**
+ * Returns bins count to be used by a Histogram
+ *
+ * @return bins count used to initialize Options, including overflow & underflow bins
+ */
+ virtual int getBinsCount() const = 0;
+
+ /**
+ * @return zero based index
+ * Calculates bin index for the input sample value
+ * index == 0 stands for underflow
+ * index == getBinsCount() - 1 stands for overflow
+ */
+ virtual int getBinForSample(float sample) const = 0;
+ };
+
+ /** Used by Histogram to map data sample to corresponding bin for uniform bins */
+ class UniformOptions : public BinOptions {
+ public:
+ static std::shared_ptr<UniformOptions> create(int binCount, float minValue,
+ float exclusiveMaxValue);
+
+ int getBinsCount() const override {
+ return mBinCount;
+ }
+
+ int getBinForSample(float sample) const override;
+
+ private:
+ UniformOptions(int binCount, float minValue, float exclusiveMaxValue);
+
+ const int mBinCount;
+ const float mMinValue;
+ const float mExclusiveMaxValue;
+ const float mBinSize;
+ };
+
+ Histogram(const char* metricName, std::shared_ptr<BinOptions> binOptions);
+
+ /**
+ * Logs increment sample count for automatically calculated bin
+ */
+ void logSample(float sample) const;
+
+private:
+ const int64_t mMetricIdHash;
+ const std::shared_ptr<BinOptions> mBinOptions;
+};
+
+} // namespace expresslog
+} // namespace android
diff --git a/libstats/expresslog/tests/Histogram_test.cpp b/libstats/expresslog/tests/Histogram_test.cpp
new file mode 100644
index 0000000..813c997
--- /dev/null
+++ b/libstats/expresslog/tests/Histogram_test.cpp
@@ -0,0 +1,128 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "Histogram.h"
+
+#include <gtest/gtest.h>
+
+namespace android {
+namespace expresslog {
+
+#ifdef __ANDROID__
+TEST(UniformOptions, getBinsCount) {
+ const std::shared_ptr<Histogram::UniformOptions> options1(
+ Histogram::UniformOptions::create(1, 100, 1000));
+ ASSERT_EQ(3, options1->getBinsCount());
+
+ const std::shared_ptr<Histogram::UniformOptions> options10(
+ Histogram::UniformOptions::create(10, 100, 1000));
+ ASSERT_EQ(12, options10->getBinsCount());
+}
+
+TEST(UniformOptions, constructZeroBinsCount) {
+ const std::shared_ptr<Histogram::UniformOptions> options(
+ Histogram::UniformOptions::create(0, 100, 1000));
+ ASSERT_EQ(nullptr, options);
+}
+
+TEST(UniformOptions, constructNegativeBinsCount) {
+ const std::shared_ptr<Histogram::UniformOptions> options(
+ Histogram::UniformOptions::create(-1, 100, 1000));
+ ASSERT_EQ(nullptr, options);
+}
+
+TEST(UniformOptions, constructMaxValueLessThanMinValue) {
+ const std::shared_ptr<Histogram::UniformOptions> options(
+ Histogram::UniformOptions::create(10, 1000, 100));
+ ASSERT_EQ(nullptr, options);
+}
+
+TEST(UniformOptions, testBinIndexForRangeEqual1) {
+ const std::shared_ptr<Histogram::UniformOptions> options(
+ Histogram::UniformOptions::create(10, 1, 11));
+ for (int i = 0, bins = options->getBinsCount(); i < bins; i++) {
+ ASSERT_EQ(i, options->getBinForSample(i));
+ }
+}
+
+TEST(UniformOptions, testBinIndexForRangeEqual2) {
+ const std::shared_ptr<Histogram::UniformOptions> options(
+ Histogram::UniformOptions::create(10, 1, 21));
+ for (int i = 0, bins = options->getBinsCount(); i < bins; i++) {
+ ASSERT_EQ(i, options->getBinForSample(i * 2));
+ ASSERT_EQ(i, options->getBinForSample(i * 2 - 1));
+ }
+}
+
+TEST(UniformOptions, testBinIndexForRangeEqual5) {
+ const std::shared_ptr<Histogram::UniformOptions> options(
+ Histogram::UniformOptions::create(2, 0, 10));
+ ASSERT_EQ(4, options->getBinsCount());
+ for (int i = 0; i < 2; i++) {
+ for (int sample = 0; sample < 5; sample++) {
+ ASSERT_EQ(i + 1, options->getBinForSample(i * 5 + sample));
+ }
+ }
+}
+
+TEST(UniformOptions, testBinIndexForRangeEqual10) {
+ const std::shared_ptr<Histogram::UniformOptions> options(
+ Histogram::UniformOptions::create(10, 1, 101));
+ ASSERT_EQ(0, options->getBinForSample(0));
+ ASSERT_EQ(options->getBinsCount() - 2, options->getBinForSample(100));
+ ASSERT_EQ(options->getBinsCount() - 1, options->getBinForSample(101));
+
+ const float binSize = (101 - 1) / 10.f;
+ for (int i = 1, bins = options->getBinsCount() - 1; i < bins; i++) {
+ ASSERT_EQ(i, options->getBinForSample(i * binSize));
+ }
+}
+
+TEST(UniformOptions, testBinIndexForRangeEqual90) {
+ const int binCount = 10;
+ const int minValue = 100;
+ const int maxValue = 100000;
+
+ const std::shared_ptr<Histogram::UniformOptions> options(
+ Histogram::UniformOptions::create(binCount, minValue, maxValue));
+
+ // logging underflow sample
+ ASSERT_EQ(0, options->getBinForSample(minValue - 1));
+
+ // logging overflow sample
+ ASSERT_EQ(binCount + 1, options->getBinForSample(maxValue));
+ ASSERT_EQ(binCount + 1, options->getBinForSample(maxValue + 1));
+
+ // logging min edge sample
+ ASSERT_EQ(1, options->getBinForSample(minValue));
+
+ // logging max edge sample
+ ASSERT_EQ(binCount, options->getBinForSample(maxValue - 1));
+
+ // logging single valid sample per bin
+ const int binSize = (maxValue - minValue) / binCount;
+
+ for (int i = 0; i < binCount; i++) {
+ ASSERT_EQ(i + 1, options->getBinForSample(minValue + binSize * i));
+ }
+}
+
+#else
+GTEST_LOG_(INFO) << "This test does nothing.\n";
+#endif
+
+} // namespace expresslog
+} // namespace android
diff --git a/libsystem/include/system/graphics-base-v1.2.h b/libsystem/include/system/graphics-base-v1.2.h
index 2194f5e..624912c 100644
--- a/libsystem/include/system/graphics-base-v1.2.h
+++ b/libsystem/include/system/graphics-base-v1.2.h
@@ -14,13 +14,17 @@
} android_hdr_v1_2_t;
typedef enum {
- HAL_DATASPACE_DISPLAY_BT2020 = 142999552 /* ((STANDARD_BT2020 | TRANSFER_SRGB) | RANGE_FULL) */,
+ HAL_DATASPACE_DISPLAY_BT2020 = 142999552 /* STANDARD_BT2020 | TRANSFER_SRGB | RANGE_FULL */,
HAL_DATASPACE_DYNAMIC_DEPTH = 4098 /* 0x1002 */,
HAL_DATASPACE_JPEG_APP_SEGMENTS = 4099 /* 0x1003 */,
HAL_DATASPACE_HEIF = 4100 /* 0x1004 */,
} android_dataspace_v1_2_t;
typedef enum {
+ HAL_COLOR_MODE_DISPLAY_BT2020 = 13,
+} android_color_mode_v1_2_t;
+
+typedef enum {
HAL_PIXEL_FORMAT_HSV_888 = 55 /* 0x37 */,
} android_pixel_format_v1_2_t;
diff --git a/libutils/Android.bp b/libutils/Android.bp
index 26e1597..162f0f4 100644
--- a/libutils/Android.bp
+++ b/libutils/Android.bp
@@ -21,11 +21,13 @@
vendor_ramdisk_available: true,
host_supported: true,
native_bridge_supported: true,
+ defaults: [
+ "apex-lowest-min-sdk-version",
+ ],
apex_available: [
"//apex_available:platform",
"//apex_available:anyapex",
],
- min_sdk_version: "apex_inherit",
header_libs: [
"libbase_headers",
@@ -124,7 +126,10 @@
cc_defaults {
name: "libutils_impl_defaults",
- defaults: ["libutils_defaults"],
+ defaults: [
+ "libutils_defaults",
+ "apex-lowest-min-sdk-version",
+ ],
native_bridge_supported: true,
srcs: [
@@ -167,13 +172,8 @@
"//apex_available:anyapex",
"//apex_available:platform",
],
- min_sdk_version: "apex_inherit",
afdo: true,
-
- header_abi_checker: {
- diff_flags: ["-allow-adding-removing-weak-symbols"],
- },
}
cc_library {
@@ -184,6 +184,12 @@
enabled: true,
support_system_process: true,
},
+
+ header_abi_checker: {
+ // AFDO affects weak symbols.
+ diff_flags: ["-allow-adding-removing-weak-symbols"],
+ ref_dump_dirs: ["abi-dumps"],
+ },
}
cc_library {
diff --git a/libutils/Unicode_test.cpp b/libutils/Unicode_test.cpp
index 8b994d9..7969525 100644
--- a/libutils/Unicode_test.cpp
+++ b/libutils/Unicode_test.cpp
@@ -35,86 +35,208 @@
}
char16_t const * const kSearchString = u"I am a leaf on the wind.";
+
+ constexpr static size_t BUFSIZE = 64; // large enough for all tests
+
+ void TestUTF8toUTF16(std::initializer_list<uint8_t> input,
+ std::initializer_list<char16_t> expect,
+ const char* err_msg_length = "",
+ ssize_t expected_length = 0) {
+ uint8_t empty_str[] = {};
+ char16_t output[BUFSIZE];
+
+ const size_t inlen = input.size(), outlen = expect.size();
+ ASSERT_LT(outlen, BUFSIZE);
+
+ const uint8_t *input_data = inlen ? std::data(input) : empty_str;
+ ssize_t measured = utf8_to_utf16_length(input_data, inlen);
+ EXPECT_EQ(expected_length ? : (ssize_t)outlen, measured) << err_msg_length;
+
+ utf8_to_utf16(input_data, inlen, output, outlen + 1);
+ for (size_t i = 0; i < outlen; i++) {
+ EXPECT_EQ(std::data(expect)[i], output[i]);
+ }
+ EXPECT_EQ(0, output[outlen]) << "should be null terminated";
+ }
+
+ void TestUTF16toUTF8(std::initializer_list<char16_t> input,
+ std::initializer_list<char> expect,
+ const char* err_msg_length = "",
+ ssize_t expected_length = 0) {
+ char16_t empty_str[] = {};
+ char output[BUFSIZE];
+
+ const size_t inlen = input.size(), outlen = expect.size();
+ ASSERT_LT(outlen, BUFSIZE);
+
+ const char16_t *input_data = inlen ? std::data(input) : empty_str;
+ ssize_t measured = utf16_to_utf8_length(input_data, inlen);
+ EXPECT_EQ(expected_length ? : (ssize_t)outlen, measured) << err_msg_length;
+
+ utf16_to_utf8(input_data, inlen, output, outlen + 1);
+ for (size_t i = 0; i < outlen; i++) {
+ EXPECT_EQ(std::data(expect)[i], output[i]);
+ }
+ EXPECT_EQ(0, output[outlen]) << "should be null terminated";
+ }
};
TEST_F(UnicodeTest, UTF8toUTF16ZeroLength) {
- ssize_t measured;
-
- const uint8_t str[] = { };
-
- measured = utf8_to_utf16_length(str, 0);
- EXPECT_EQ(0, measured)
- << "Zero length input should return zero length output.";
+ TestUTF8toUTF16({}, {},
+ "Zero length input should return zero length output.");
}
-TEST_F(UnicodeTest, UTF8toUTF16ASCIILength) {
- ssize_t measured;
-
- // U+0030 or ASCII '0'
- const uint8_t str[] = { 0x30 };
-
- measured = utf8_to_utf16_length(str, sizeof(str));
- EXPECT_EQ(1, measured)
- << "ASCII glyphs should have a length of 1 char16_t";
+TEST_F(UnicodeTest, UTF8toUTF16ASCII) {
+ TestUTF8toUTF16(
+ { 0x30 }, // U+0030 or ASCII '0'
+ { 0x0030 },
+ "ASCII codepoints should have a length of 1 char16_t");
}
-TEST_F(UnicodeTest, UTF8toUTF16Plane1Length) {
- ssize_t measured;
-
- // U+2323 SMILE
- const uint8_t str[] = { 0xE2, 0x8C, 0xA3 };
-
- measured = utf8_to_utf16_length(str, sizeof(str));
- EXPECT_EQ(1, measured)
- << "Plane 1 glyphs should have a length of 1 char16_t";
+TEST_F(UnicodeTest, UTF8toUTF16Plane1) {
+ TestUTF8toUTF16(
+ { 0xE2, 0x8C, 0xA3 }, // U+2323 SMILE
+ { 0x2323 },
+ "Plane 1 codepoints should have a length of 1 char16_t");
}
-TEST_F(UnicodeTest, UTF8toUTF16SurrogateLength) {
- ssize_t measured;
-
- // U+10000
- const uint8_t str[] = { 0xF0, 0x90, 0x80, 0x80 };
-
- measured = utf8_to_utf16_length(str, sizeof(str));
- EXPECT_EQ(2, measured)
- << "Surrogate pairs should have a length of 2 char16_t";
+TEST_F(UnicodeTest, UTF8toUTF16Surrogate) {
+ TestUTF8toUTF16(
+ { 0xF0, 0x90, 0x80, 0x80 }, // U+10000
+ { 0xD800, 0xDC00 },
+ "Surrogate pairs should have a length of 2 char16_t");
}
TEST_F(UnicodeTest, UTF8toUTF16TruncatedUTF8) {
- ssize_t measured;
-
- // Truncated U+2323 SMILE
- // U+2323 SMILE
- const uint8_t str[] = { 0xE2, 0x8C };
-
- measured = utf8_to_utf16_length(str, sizeof(str));
- EXPECT_EQ(-1, measured)
- << "Truncated UTF-8 should return -1 to indicate invalid";
+ TestUTF8toUTF16(
+ { 0xE2, 0x8C }, // Truncated U+2323 SMILE
+ { }, // Conversion should still work but produce nothing
+ "Truncated UTF-8 should return -1 to indicate invalid",
+ -1);
}
TEST_F(UnicodeTest, UTF8toUTF16Normal) {
- const uint8_t str[] = {
- 0x30, // U+0030, 1 UTF-16 character
- 0xC4, 0x80, // U+0100, 1 UTF-16 character
- 0xE2, 0x8C, 0xA3, // U+2323, 1 UTF-16 character
+ TestUTF8toUTF16({
+ 0x30, // U+0030, 1 UTF-16 character
+ 0xC4, 0x80, // U+0100, 1 UTF-16 character
+ 0xE2, 0x8C, 0xA3, // U+2323, 1 UTF-16 character
0xF0, 0x90, 0x80, 0x80, // U+10000, 2 UTF-16 character
- };
+ }, {
+ 0x0030,
+ 0x0100,
+ 0x2323,
+ 0xD800, 0xDC00
+ });
+}
- char16_t output[1 + 1 + 1 + 2 + 1]; // Room for null
+TEST_F(UnicodeTest, UTF8toUTF16Invalid) {
+ // TODO: The current behavior of utf8_to_utf16 is to treat invalid
+ // leading byte (>= 0xf8) as a 4-byte UTF8 sequence, and to treat
+ // invalid trailing byte(s) (i.e. bytes not having MSB set) as if
+ // they are valid and do the normal conversion. However, a better
+ // handling would be to treat invalid sequences as errors, such
+ // cases need to be reported and invalid characters (e.g. U+FFFD)
+ // could be produced at the place of error. Until a fix is ready
+ // and compatibility is not an issue, we will keep testing the
+ // current behavior
+ TestUTF8toUTF16({
+ 0xf8, // invalid leading byte
+ 0xc4, 0x00, // U+0100 with invalid trailing byte
+ 0xe2, 0x0c, 0xa3, // U+2323 with invalid trailing bytes
+ 0xf0, 0x10, 0x00, 0x00, // U+10000 with invalid trailing bytes
+ }, {
+ 0x4022, // invalid leading byte (>=0xfc) is treated
+ // as valid for 4-byte UTF8 sequence
+ 0x000C,
+ 0x00A3, // invalid leadnig byte (b'10xxxxxx) is
+ // treated as valid single UTF-8 byte
+ 0xD800, // invalid trailing bytes are treated
+ 0xDC00, // as valid bytes and follow normal
+ });
+}
- utf8_to_utf16(str, sizeof(str), output, sizeof(output) / sizeof(output[0]));
+TEST_F(UnicodeTest, UTF16toUTF8ZeroLength) {
+ // TODO: The current behavior of utf16_to_utf8_length() is that
+ // it returns -1 if the input is a zero length UTF16 string.
+ // This is inconsistent with utf8_to_utf16_length() where a zero
+ // length string returns 0. However, to fix the current behavior,
+ // we could have compatibility issue. Until then, we will keep
+ // testing the current behavior
+ TestUTF16toUTF8({}, {},
+ "Zero length UTF16 input should return length of -1.", -1);
+}
- EXPECT_EQ(0x0030, output[0])
- << "should be U+0030";
- EXPECT_EQ(0x0100, output[1])
- << "should be U+0100";
- EXPECT_EQ(0x2323, output[2])
- << "should be U+2323";
- EXPECT_EQ(0xD800, output[3])
- << "should be first half of surrogate U+10000";
- EXPECT_EQ(0xDC00, output[4])
- << "should be second half of surrogate U+10000";
- EXPECT_EQ(0, output[5]) << "should be null terminated";
+TEST_F(UnicodeTest, UTF16toUTF8ASCII) {
+ TestUTF16toUTF8(
+ { 0x0030 }, // U+0030 or ASCII '0'
+ { '\x30' },
+ "ASCII codepoints in UTF16 should give a length of 1 in UTF8");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8Plane1) {
+ TestUTF16toUTF8(
+ { 0x2323 }, // U+2323 SMILE
+ { '\xE2', '\x8C', '\xA3' },
+ "Plane 1 codepoints should have a length of 3 char in UTF-8");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8Surrogate) {
+ TestUTF16toUTF8(
+ { 0xD800, 0xDC00 }, // U+10000
+ { '\xF0', '\x90', '\x80', '\x80' },
+ "Surrogate pairs should have a length of 4 chars");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8UnpairedSurrogate) {
+ TestUTF16toUTF8(
+ { 0xD800 }, // U+10000 with high surrogate pair only
+ { }, // Unpaired surrogate should be ignored
+ "A single unpaired high surrogate should have a length of 0 chars");
+
+ TestUTF16toUTF8(
+ { 0xDC00 }, // U+10000 with low surrogate pair only
+ { }, // Unpaired surrogate should be ignored
+ "A single unpaired low surrogate should have a length of 0 chars");
+
+ TestUTF16toUTF8(
+ // U+0030, U+0100, U+10000 with high surrogate pair only, U+2323
+ { 0x0030, 0x0100, 0xDC00, 0x2323 },
+ { '\x30', '\xC4', '\x80', '\xE2', '\x8C', '\xA3' },
+ "Unpaired high surrogate should be skipped in the middle");
+
+ TestUTF16toUTF8(
+ // U+0030, U+0100, U+10000 with high surrogate pair only, U+2323
+ { 0x0030, 0x0100, 0xDC00, 0x2323 },
+ { '\x30', '\xC4', '\x80', '\xE2', '\x8C', '\xA3' },
+ "Unpaired low surrogate should be skipped in the middle");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8CorrectInvalidSurrogate) {
+ // http://b/29250543
+ // d841d8 is an invalid start for a surrogate pair. Make sure this is handled by ignoring the
+ // first character in the pair and handling the rest correctly.
+ TestUTF16toUTF8(
+ { 0xD841, 0xD841, 0xDC41 }, // U+20441
+ { '\xF0', '\xA0', '\x91', '\x81' },
+ "Invalid start for a surrogate pair should be ignored");
+}
+
+TEST_F(UnicodeTest, UTF16toUTF8Normal) {
+ TestUTF16toUTF8({
+ 0x0024, // U+0024 ($) --> 0x24, 1 UTF-8 byte
+ 0x00A3, // U+00A3 (£) --> 0xC2 0xA3, 2 UTF-8 bytes
+ 0x0939, // U+0939 (ह) --> 0xE0 0xA4 0xB9, 3 UTF-8 bytes
+ 0x20AC, // U+20AC (€) --> 0xE2 0x82 0xAC, 3 UTF-8 bytes
+ 0xD55C, // U+D55C (한)--> 0xED 0x95 0x9C, 3 UTF-8 bytes
+ 0xD801, 0xDC37, // U+10437 (𐐷) --> 0xF0 0x90 0x90 0xB7, 4 UTF-8 bytes
+ }, {
+ '\x24',
+ '\xC2', '\xA3',
+ '\xE0', '\xA4', '\xB9',
+ '\xE2', '\x82', '\xAC',
+ '\xED', '\x95', '\x9C',
+ '\xF0', '\x90', '\x90', '\xB7',
+ });
}
TEST_F(UnicodeTest, strstr16EmptyTarget) {
diff --git a/libutils/abi-dumps/arm64/source-based/libutils.so.lsdump b/libutils/abi-dumps/arm64/source-based/libutils.so.lsdump
new file mode 100644
index 0000000..c89af9e
--- /dev/null
+++ b/libutils/abi-dumps/arm64/source-based/libutils.so.lsdump
@@ -0,0 +1,15553 @@
+{
+ "array_types" :
+ [
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTIA0_i",
+ "name" : "int[0]",
+ "referenced_type" : "_ZTIi",
+ "self_type" : "_ZTIA0_i",
+ "source_file" : "system/core/libcutils/include_outside_system/cutils/native_handle.h"
+ },
+ {
+ "alignment" : 2,
+ "linker_set_key" : "_ZTIA1_Ds",
+ "name" : "char16_t[1]",
+ "referenced_type" : "_ZTIDs",
+ "self_type" : "_ZTIA1_Ds",
+ "size" : 2,
+ "source_file" : "system/core/libutils/include/utils/String16.h"
+ },
+ {
+ "alignment" : 1,
+ "linker_set_key" : "_ZTIA20_c",
+ "name" : "char[20]",
+ "referenced_type" : "_ZTIc",
+ "self_type" : "_ZTIA20_c",
+ "size" : 20,
+ "source_file" : "system/core/libutils/include/utils/Printer.h"
+ },
+ {
+ "alignment" : 1,
+ "linker_set_key" : "_ZTIA5121_h",
+ "name" : "unsigned char[5121]",
+ "referenced_type" : "_ZTIh",
+ "self_type" : "_ZTIA5121_h",
+ "size" : 5121,
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index 0000000..f88da15
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+ "size" : 36,
+ "source_file" : "system/core/libutils/include/utils/Printer.h",
+ "vtable_components" :
+ [
+ {
+ "kind" : "offset_to_top"
+ },
+ {
+ "kind" : "rtti",
+ "mangled_component_name" : "_ZTIN7android9FdPrinterE"
+ },
+ {
+ "mangled_component_name" : "_ZN7android9FdPrinter9printLineEPKc"
+ },
+ {
+ "mangled_component_name" : "_ZN7android7Printer15printFormatLineEPKcz"
+ },
+ {
+ "kind" : "complete_dtor_pointer",
+ "mangled_component_name" : "_ZN7android9FdPrinterD1Ev"
+ },
+ {
+ "kind" : "deleting_dtor_pointer",
+ "mangled_component_name" : "_ZN7android9FdPrinterD0Ev"
+ }
+ ]
+ },
+ {
+ "alignment" : 8,
+ "fields" :
+ [
+ {
+ "access" : "private",
+ "field_name" : "mName",
+ "referenced_type" : "_ZTIPKc"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mClock",
+ "field_offset" : 32,
+ "referenced_type" : "_ZTIi"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mStartTime",
+ "field_offset" : 64,
+ "referenced_type" : "_ZTIx"
+ }
+ ],
+ "linker_set_key" : "_ZTIN7android9StopWatchE",
+ "name" : "android::StopWatch",
+ "record_kind" : "class",
+ "referenced_type" : "_ZTIN7android9StopWatchE",
+ "self_type" : "_ZTIN7android9StopWatchE",
+ "size" : 16,
+ "source_file" : "system/core/libutils/include/utils/StopWatch.h"
+ },
+ {
+ "alignment" : 4,
+ "fields" :
+ [
+ {
+ "access" : "private",
+ "field_name" : "mFilename",
+ "referenced_type" : "_ZTIN7android7String8E"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mFileMap",
+ "field_offset" : 32,
+ "referenced_type" : "_ZTIPN7android7FileMapE"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mBuffer",
+ "field_offset" : 64,
+ "referenced_type" : "_ZTIPc"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mOwnBuffer",
+ "field_offset" : 96,
+ "referenced_type" : "_ZTIb"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mLength",
+ "field_offset" : 128,
+ "referenced_type" : "_ZTIj"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mCurrent",
+ "field_offset" : 160,
+ "referenced_type" : "_ZTIPKc"
+ },
+ {
+ "access" : "private",
+ "field_name" : "mLineNumber",
+ "field_offset" : 192,
+ "referenced_type" : "_ZTIi"
+ }
+ ],
+ "linker_set_key" : "_ZTIN7android9TokenizerE",
+ "name" : "android::Tokenizer",
+ "record_kind" : "class",
+ "referenced_type" : "_ZTIN7android9TokenizerE",
+ "self_type" : "_ZTIN7android9TokenizerE",
+ "size" : 28,
+ "source_file" : "system/core/libutils/include/utils/Tokenizer.h"
+ },
+ {
+ "alignment" : 4,
+ "fields" :
+ [
+ {
+ "field_name" : "buf",
+ "referenced_type" : "_ZTIA5121_h"
+ },
+ {
+ "field_name" : "entry",
+ "referenced_type" : "_ZTI12logger_entry"
+ }
+ ],
+ "is_anonymous" : true,
+ "linker_set_key" : "_ZTIN7log_msgUt_E",
+ "name" : "log_msg::(anonymous)",
+ "record_kind" : "union",
+ "referenced_type" : "_ZTIN7log_msgUt_E",
+ "self_type" : "_ZTIN7log_msgUt_E",
+ "size" : 5124,
+ "source_file" : "system/logging/liblog/include_vndk/log/log_read.h"
+ }
+ ],
+ "rvalue_reference_types" :
+ [
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android2spINS_12NativeHandleEEE",
+ "name" : "android::sp<android::NativeHandle> &&",
+ "referenced_type" : "_ZTIN7android2spINS_12NativeHandleEEE",
+ "self_type" : "_ZTION7android2spINS_12NativeHandleEEE",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/StrongPointer.h"
+ },
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android2spINS_14MessageHandlerEEE",
+ "name" : "android::sp<android::MessageHandler> &&",
+ "referenced_type" : "_ZTIN7android2spINS_14MessageHandlerEEE",
+ "self_type" : "_ZTION7android2spINS_14MessageHandlerEEE",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/StrongPointer.h"
+ },
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android2spINS_20SimpleLooperCallbackEEE",
+ "name" : "android::sp<android::SimpleLooperCallback> &&",
+ "referenced_type" : "_ZTIN7android2spINS_20SimpleLooperCallbackEEE",
+ "self_type" : "_ZTION7android2spINS_20SimpleLooperCallbackEEE",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/StrongPointer.h"
+ },
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android2spINS_6LooperEEE",
+ "name" : "android::sp<android::Looper> &&",
+ "referenced_type" : "_ZTIN7android2spINS_6LooperEEE",
+ "self_type" : "_ZTION7android2spINS_6LooperEEE",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/StrongPointer.h"
+ },
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android2spINS_6ThreadEEE",
+ "name" : "android::sp<android::Thread> &&",
+ "referenced_type" : "_ZTIN7android2spINS_6ThreadEEE",
+ "self_type" : "_ZTION7android2spINS_6ThreadEEE",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/StrongPointer.h"
+ },
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android4base14unique_fd_implINS0_13DefaultCloserEEE",
+ "name" : "android::base::unique_fd_impl<android::base::DefaultCloser> &&",
+ "referenced_type" : "_ZTIN7android4base14unique_fd_implINS0_13DefaultCloserEEE",
+ "self_type" : "_ZTION7android4base14unique_fd_implINS0_13DefaultCloserEEE",
+ "size" : 4,
+ "source_file" : "system/libbase/include/android-base/unique_fd.h"
+ },
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android7FileMapE",
+ "name" : "android::FileMap &&",
+ "referenced_type" : "_ZTIN7android7FileMapE",
+ "self_type" : "_ZTION7android7FileMapE",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/FileMap.h"
+ },
+ {
+ "alignment" : 4,
+ "linker_set_key" : "_ZTION7android8String16E",
+ "name" : "android::String16 &&",
+ "referenced_type" : "_ZTIN7android8String16E",
+ "self_type" : "_ZTION7android8String16E",
+ "size" : 4,
+ "source_file" : "system/core/libutils/include/utils/String16.h"
+ }
+ ]
+}
diff --git a/libutils/include/utils/RefBase.h b/libutils/include/utils/RefBase.h
index f3acd6f..5e3fa7d 100644
--- a/libutils/include/utils/RefBase.h
+++ b/libutils/include/utils/RefBase.h
@@ -210,6 +210,7 @@
#include <atomic>
#include <functional>
+#include <memory>
#include <type_traits> // for common_type.
#include <stdint.h>
diff --git a/mkbootfs/mkbootfs.c b/mkbootfs/mkbootfs.c
index 05d1940..d3922bf 100644
--- a/mkbootfs/mkbootfs.c
+++ b/mkbootfs/mkbootfs.c
@@ -1,40 +1,32 @@
+#include <ctype.h>
+#include <dirent.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
-#include <unistd.h>
#include <string.h>
-#include <ctype.h>
-
-#include <sys/types.h>
#include <sys/stat.h>
-#include <dirent.h>
+#include <sys/sysmacros.h>
+#include <sys/types.h>
+#include <unistd.h>
-#include <stdarg.h>
-#include <fcntl.h>
+#include <linux/kdev_t.h>
#include <private/android_filesystem_config.h>
#include <private/fs_config.h>
/* NOTES
**
-** - see buffer-format.txt from the linux kernel docs for
-** an explanation of this file format
+** - see https://www.kernel.org/doc/Documentation/early-userspace/buffer-format.txt
+** for an explanation of this file format
** - dotfiles are ignored
** - directories named 'root' are ignored
-** - device notes, pipes, etc are not supported (error)
*/
-static void die(const char* why, ...) {
- va_list ap;
-
- va_start(ap, why);
- fprintf(stderr,"error: ");
- vfprintf(stderr, why, ap);
- fprintf(stderr,"\n");
- va_end(ap);
- exit(1);
-}
-
struct fs_config_entry {
char* name;
int uid, gid, mode;
@@ -43,17 +35,8 @@
static struct fs_config_entry* canned_config = NULL;
static const char* target_out_path = NULL;
-/* Each line in the canned file should be a path plus three ints (uid,
- * gid, mode). */
-#ifdef PATH_MAX
-#define CANNED_LINE_LENGTH (PATH_MAX+100)
-#else
-#define CANNED_LINE_LENGTH (1024)
-#endif
-
#define TRAILER "TRAILER!!!"
-static int verbose = 0;
static int total_size = 0;
static void fix_stat(const char *path, struct stat *s)
@@ -86,6 +69,10 @@
fs_config(path, is_dir, target_out_path, &s->st_uid, &s->st_gid, &st_mode, &capabilities);
s->st_mode = (typeof(s->st_mode)) st_mode;
}
+
+ if (S_ISREG(s->st_mode) || S_ISDIR(s->st_mode) || S_ISLNK(s->st_mode)) {
+ s->st_rdev = 0;
+ }
}
static void _eject(struct stat *s, char *out, int olen, char *data, unsigned datasize)
@@ -115,8 +102,8 @@
datasize,
0, // volmajor
0, // volminor
- 0, // devmajor
- 0, // devminor,
+ major(s->st_rdev),
+ minor(s->st_rdev),
olen + 1,
0,
out,
@@ -125,7 +112,7 @@
total_size += 6 + 8*13 + olen + 1;
- if(strlen(out) != (unsigned int)olen) die("ACK!");
+ if(strlen(out) != (unsigned int)olen) errx(1, "ACK!");
while(total_size & 3) {
total_size++;
@@ -159,23 +146,16 @@
static void _archive_dir(char *in, char *out, int ilen, int olen)
{
int i, t;
- DIR *d;
struct dirent *de;
- if(verbose) {
- fprintf(stderr,"_archive_dir('%s','%s',%d,%d)\n",
- in, out, ilen, olen);
- }
-
- d = opendir(in);
- if(d == 0) die("cannot open directory '%s'", in);
+ DIR* d = opendir(in);
+ if (d == NULL) err(1, "cannot open directory '%s'", in);
int size = 32;
int entries = 0;
char** names = malloc(size * sizeof(char*));
if (names == NULL) {
- fprintf(stderr, "failed to allocate dir names array (size %d)\n", size);
- exit(1);
+ errx(1, "failed to allocate dir names array (size %d)", size);
}
while((de = readdir(d)) != 0){
@@ -189,16 +169,12 @@
size *= 2;
names = realloc(names, size * sizeof(char*));
if (names == NULL) {
- fprintf(stderr, "failed to reallocate dir names array (size %d)\n",
- size);
- exit(1);
+ errx(1, "failed to reallocate dir names array (size %d)", size);
}
}
names[entries] = strdup(de->d_name);
if (names[entries] == NULL) {
- fprintf(stderr, "failed to strdup name \"%s\"\n",
- de->d_name);
- exit(1);
+ errx(1, "failed to strdup name \"%s\"", de->d_name);
}
++entries;
}
@@ -232,26 +208,17 @@
static void _archive(char *in, char *out, int ilen, int olen)
{
struct stat s;
-
- if(verbose) {
- fprintf(stderr,"_archive('%s','%s',%d,%d)\n",
- in, out, ilen, olen);
- }
-
- if(lstat(in, &s)) die("could not stat '%s'\n", in);
+ if(lstat(in, &s)) err(1, "could not stat '%s'", in);
if(S_ISREG(s.st_mode)){
- char *tmp;
- int fd;
+ int fd = open(in, O_RDONLY);
+ if(fd < 0) err(1, "cannot open '%s' for read", in);
- fd = open(in, O_RDONLY);
- if(fd < 0) die("cannot open '%s' for read", in);
-
- tmp = (char*) malloc(s.st_size);
- if(tmp == 0) die("cannot allocate %d bytes", s.st_size);
+ char* tmp = (char*) malloc(s.st_size);
+ if(tmp == 0) errx(1, "cannot allocate %zd bytes", s.st_size);
if(read(fd, tmp, s.st_size) != s.st_size) {
- die("cannot read %d bytes", s.st_size);
+ err(1, "cannot read %zd bytes", s.st_size);
}
_eject(&s, out, olen, tmp, s.st_size);
@@ -265,10 +232,13 @@
char buf[1024];
int size;
size = readlink(in, buf, 1024);
- if(size < 0) die("cannot read symlink '%s'", in);
+ if(size < 0) err(1, "cannot read symlink '%s'", in);
_eject(&s, out, olen, buf, size);
+ } else if(S_ISBLK(s.st_mode) || S_ISCHR(s.st_mode) ||
+ S_ISFIFO(s.st_mode) || S_ISSOCK(s.st_mode)) {
+ _eject(&s, out, olen, NULL, 0);
} else {
- die("Unknown '%s' (mode %d)?\n", in, s.st_mode);
+ errx(1, "Unknown '%s' (mode %d)?", in, s.st_mode);
}
}
@@ -290,17 +260,18 @@
canned_config =
(struct fs_config_entry*)malloc(allocated * sizeof(struct fs_config_entry));
- char line[CANNED_LINE_LENGTH];
- FILE* f = fopen(filename, "r");
- if (f == NULL) die("failed to open canned file '%s'", filename);
+ FILE* fp = fopen(filename, "r");
+ if (fp == NULL) err(1, "failed to open canned file '%s'", filename);
- while (fgets(line, CANNED_LINE_LENGTH, f) != NULL) {
+ char* line = NULL;
+ size_t allocated_len;
+ while (getline(&line, &allocated_len, fp) != -1) {
if (!line[0]) break;
if (used >= allocated) {
allocated *= 2;
canned_config = (struct fs_config_entry*)realloc(
canned_config, allocated * sizeof(struct fs_config_entry));
- if (canned_config == NULL) die("failed to reallocate memory");
+ if (canned_config == NULL) errx(1, "failed to reallocate memory");
}
struct fs_config_entry* cc = canned_config + used;
@@ -320,41 +291,166 @@
++allocated;
canned_config = (struct fs_config_entry*)realloc(
canned_config, allocated * sizeof(struct fs_config_entry));
- if (canned_config == NULL) die("failed to reallocate memory");
+ if (canned_config == NULL) errx(1, "failed to reallocate memory");
}
canned_config[used].name = NULL;
- fclose(f);
+ free(line);
+ fclose(fp);
}
+static void devnodes_desc_error(const char* filename, unsigned long line_num,
+ const char* msg)
+{
+ errx(1, "failed to read nodes desc file '%s' line %lu: %s", filename, line_num, msg);
+}
+
+static int append_devnodes_desc_dir(char* path, char* args)
+{
+ struct stat s;
+
+ if (sscanf(args, "%o %d %d", &s.st_mode, &s.st_uid, &s.st_gid) != 3) return -1;
+
+ s.st_mode |= S_IFDIR;
+
+ _eject(&s, path, strlen(path), NULL, 0);
+
+ return 0;
+}
+
+static int append_devnodes_desc_nod(char* path, char* args)
+{
+ int minor, major;
+ struct stat s;
+ char dev;
+
+ if (sscanf(args, "%o %d %d %c %d %d", &s.st_mode, &s.st_uid, &s.st_gid,
+ &dev, &major, &minor) != 6) return -1;
+
+ s.st_rdev = MKDEV(major, minor);
+ switch (dev) {
+ case 'b':
+ s.st_mode |= S_IFBLK;
+ break;
+ case 'c':
+ s.st_mode |= S_IFCHR;
+ break;
+ default:
+ return -1;
+ }
+
+ _eject(&s, path, strlen(path), NULL, 0);
+
+ return 0;
+}
+
+static void append_devnodes_desc(const char* filename)
+{
+ FILE* fp = fopen(filename, "re");
+ if (!fp) err(1, "failed to open nodes description file '%s'", filename);
+
+ unsigned long line_num = 0;
+
+ char* line = NULL;
+ size_t allocated_len;
+ while (getline(&line, &allocated_len, fp) != -1) {
+ char *type, *path, *args;
+
+ line_num++;
+
+ if (*line == '#') continue;
+
+ if (!(type = strtok(line, " \t"))) {
+ devnodes_desc_error(filename, line_num, "a type is missing");
+ }
+
+ if (*type == '\n') continue;
+
+ if (!(path = strtok(NULL, " \t"))) {
+ devnodes_desc_error(filename, line_num, "a path is missing");
+ }
+
+ if (!(args = strtok(NULL, "\n"))) {
+ devnodes_desc_error(filename, line_num, "args are missing");
+ }
+
+ if (!strcmp(type, "dir")) {
+ if (append_devnodes_desc_dir(path, args)) {
+ devnodes_desc_error(filename, line_num, "bad arguments for dir");
+ }
+ } else if (!strcmp(type, "nod")) {
+ if (append_devnodes_desc_nod(path, args)) {
+ devnodes_desc_error(filename, line_num, "bad arguments for nod");
+ }
+ } else {
+ devnodes_desc_error(filename, line_num, "type unknown");
+ }
+ }
+
+ free(line);
+ fclose(fp);
+}
+
+static const struct option long_options[] = {
+ { "dirname", required_argument, NULL, 'd' },
+ { "file", required_argument, NULL, 'f' },
+ { "help", no_argument, NULL, 'h' },
+ { "nodes", required_argument, NULL, 'n' },
+ { NULL, 0, NULL, 0 },
+};
+
+static void usage(void)
+{
+ fprintf(stderr,
+ "Usage: mkbootfs [-n FILE] [-d DIR|-F FILE] DIR...\n"
+ "\n"
+ "\t-d, --dirname=DIR: fs-config directory\n"
+ "\t-f, --file=FILE: Canned configuration file\n"
+ "\t-h, --help: Print this help\n"
+ "\t-n, --nodes=FILE: Dev nodes description file\n"
+ "\n"
+ "Dev nodes description:\n"
+ "\t[dir|nod] [perms] [uid] [gid] [c|b] [minor] [major]\n"
+ "\tExample:\n"
+ "\t\t# My device nodes\n"
+ "\t\tdir dev 0755 0 0\n"
+ "\t\tnod dev/null 0600 0 0 c 1 5\n"
+ );
+}
int main(int argc, char *argv[])
{
- if (argc == 1) {
- fprintf(stderr,
- "usage: %s [-d TARGET_OUTPUT_PATH] [-f CANNED_CONFIGURATION_PATH] DIRECTORIES...\n",
- argv[0]);
- exit(1);
+ int opt, unused;
+
+ while ((opt = getopt_long(argc, argv, "hd:f:n:", long_options, &unused)) != -1) {
+ switch (opt) {
+ case 'd':
+ target_out_path = argv[optind - 1];
+ break;
+ case 'f':
+ read_canned_config(argv[optind - 1]);
+ break;
+ case 'h':
+ usage();
+ return 0;
+ case 'n':
+ append_devnodes_desc(argv[optind - 1]);
+ break;
+ default:
+ usage();
+ errx(1, "Unknown option %s", argv[optind - 1]);
+ }
}
- argc--;
- argv++;
+ int num_dirs = argc - optind;
+ argv += optind;
- if (argc > 1 && strcmp(argv[0], "-d") == 0) {
- target_out_path = argv[1];
- argc -= 2;
- argv += 2;
+ if (num_dirs <= 0) {
+ usage();
+ errx(1, "no directories to process?!");
}
- if (argc > 1 && strcmp(argv[0], "-f") == 0) {
- read_canned_config(argv[1]);
- argc -= 2;
- argv += 2;
- }
-
- if(argc == 0) die("no directories to process?!");
-
- while(argc-- > 0){
+ while(num_dirs-- > 0){
char *x = strchr(*argv, '=');
if(x != 0) {
*x++ = 0;
diff --git a/property_service/libpropertyinfoserializer/property_info_serializer_test.cpp b/property_service/libpropertyinfoserializer/property_info_serializer_test.cpp
index 77cbdd4..a484441 100644
--- a/property_service/libpropertyinfoserializer/property_info_serializer_test.cpp
+++ b/property_service/libpropertyinfoserializer/property_info_serializer_test.cpp
@@ -399,7 +399,6 @@
{"dalvik.vm.lockprof.threshold", "u:object_r:dalvik_prop:s0"},
{"dalvik.vm.stack-trace-file", "u:object_r:dalvik_prop:s0"},
{"dalvik.vm.usejit", "u:object_r:dalvik_prop:s0"},
- {"dalvik.vm.usejitprofiles", "u:object_r:dalvik_prop:s0"},
{"debug.atrace.tags.enableflags", "u:object_r:debug_prop:s0"},
{"debug.force_rtl", "u:object_r:debug_prop:s0"},
{"dev.bootcomplete", "u:object_r:system_prop:s0"},
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index fe23b62..3362872 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -213,4 +213,17 @@
$(hide) $(foreach lib,$(PRIVATE_SANITIZER_RUNTIME_LIBRARIES), \
echo $(lib) >> $@;)
+#######################################
+# ramdisk_node_list
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := ramdisk_node_list
+LOCAL_MODULE_CLASS := ETC
+LOCAL_SRC_FILES := $(LOCAL_MODULE)
+LOCAL_MODULE_PATH := $(PRODUCT_OUT)
+
+LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
+LOCAL_LICENSE_CONDITIONS := notice
+include $(BUILD_PREBUILT)
+
include $(call all-makefiles-under,$(LOCAL_PATH))
diff --git a/rootdir/etc/linker.config.json b/rootdir/etc/linker.config.json
index c88c7ff..47f77b1 100644
--- a/rootdir/etc/linker.config.json
+++ b/rootdir/etc/linker.config.json
@@ -22,8 +22,6 @@
"libnetd_resolv.so",
// netd
"libnetd_updatable.so",
- // nn
- "libneuralnetworks.so",
// statsd
"libstatspull.so",
"libstatssocket.so",
@@ -31,6 +29,9 @@
"libadb_pairing_auth.so",
"libadb_pairing_connection.so",
"libadb_pairing_server.so"
+
+ // LLNDK libraries in APEXes will be added automatically from the build,
+ // using build variable LLNDK_MOVED_TO_APEX_LIBRARIES.
],
"provideLibs": [
"libaptX_encoder.so",
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 296f867..2929da4 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -47,6 +47,9 @@
# Allow up to 32K FDs per process
setrlimit nofile 32768 32768
+ # set RLIMIT_MEMLOCK to 64KB
+ setrlimit memlock 65536 65536
+
# Set up linker config subdirectories based on mount namespaces
mkdir /linkerconfig/bootstrap 0755
mkdir /linkerconfig/default 0755
@@ -55,10 +58,11 @@
# Read more in b/136247322
write /sys/module/dm_verity/parameters/prefetch_cluster 0
- # Generate ld.config.txt for early executed processes
- exec -- /system/bin/bootstrap/linkerconfig --target /linkerconfig/bootstrap
+ # Generate empty ld.config.txt for early executed processes which rely on
+ # /system/lib libraries.
+ write /linkerconfig/bootstrap/ld.config.txt \#
+ write /linkerconfig/default/ld.config.txt \#
chmod 644 /linkerconfig/bootstrap/ld.config.txt
- copy /linkerconfig/bootstrap/ld.config.txt /linkerconfig/default/ld.config.txt
chmod 644 /linkerconfig/default/ld.config.txt
# Mount bootstrap linker configuration as current
@@ -489,18 +493,26 @@
service boringssl_self_test32 /system/bin/boringssl_self_test32
reboot_on_failure reboot,boringssl-self-check-failed
stdio_to_kmsg
+ # Explicitly specify that boringssl_self_test32 doesn't require any capabilities
+ capabilities
service boringssl_self_test64 /system/bin/boringssl_self_test64
reboot_on_failure reboot,boringssl-self-check-failed
stdio_to_kmsg
+ # Explicitly specify that boringssl_self_test64 doesn't require any capabilities
+ capabilities
service boringssl_self_test_apex32 /apex/com.android.conscrypt/bin/boringssl_self_test32
reboot_on_failure reboot,boringssl-self-check-failed
stdio_to_kmsg
+ # Explicitly specify that boringssl_self_test_apex32 doesn't require any capabilities
+ capabilities
service boringssl_self_test_apex64 /apex/com.android.conscrypt/bin/boringssl_self_test64
reboot_on_failure reboot,boringssl-self-check-failed
stdio_to_kmsg
+ # Explicitly specify that boringssl_self_test_apex64 doesn't require any capabilities
+ capabilities
# Healthd can trigger a full boot from charger mode by signaling this
@@ -535,10 +547,6 @@
# /data, which in turn can only be loaded when system properties are present.
trigger post-fs-data
- # APEXes are ready to use. apex-ready is a public trigger similar to apexd.status=ready which
- # is a system-private property.
- trigger apex-ready
-
# Should be before netd, but after apex, properties and logging is available.
trigger load_bpf_programs
@@ -635,7 +643,7 @@
chmod 0755 /sys/kernel/tracing
chmod 0755 /sys/kernel/debug/tracing
- # HALs required before storage encryption can get unlocked (FBE/FDE)
+ # HALs required before storage encryption can get unlocked (FBE)
class_start early_hal
# Load trusted keys from dm-verity protected partitions
@@ -738,9 +746,8 @@
# /data/apex is now available. Start apexd to scan and activate APEXes.
#
- # To handle userspace reboots as well as devices that use FDE, make sure
- # that apexd is started cleanly here (set apexd.status="") and that it is
- # restarted if it's already running.
+ # To handle userspace reboots, make sure that apexd is started cleanly here
+ # (set apexd.status="") and that it is restarted if it's already running.
#
# /data/apex uses encryption=None because direct I/O support is needed on
# APEX files, but some devices don't support direct I/O on encrypted files.
@@ -842,7 +849,7 @@
# Delete any stale files owned by the old virtualizationservice uid (b/230056726).
chmod 0770 /data/misc/virtualizationservice
exec - virtualizationservice system -- /bin/rm -rf /data/misc/virtualizationservice
- mkdir /data/misc/virtualizationservice 0770 system system
+ mkdir /data/misc/virtualizationservice 0771 system system
# /data/preloads uses encryption=None because it only contains preloaded
# files that are public information, similar to the system image.
@@ -940,22 +947,29 @@
restorecon /data/media
exec - media_rw media_rw -- /system/bin/chattr +F /data/media
- # A tmpfs directory, which will contain all apps CE DE data directory that
- # bind mount from the original source.
+ # A tmpfs directory, which will contain all apps and sdk sandbox CE and DE
+ # data directory that bind mount from the original source.
mount tmpfs tmpfs /data_mirror nodev noexec nosuid mode=0700,uid=0,gid=1000
restorecon /data_mirror
mkdir /data_mirror/data_ce 0700 root root
mkdir /data_mirror/data_de 0700 root root
+ mkdir /data_mirror/misc_ce 0700 root root
+ mkdir /data_mirror/misc_de 0700 root root
# Create CE and DE data directory for default volume
mkdir /data_mirror/data_ce/null 0700 root root
mkdir /data_mirror/data_de/null 0700 root root
+ mkdir /data_mirror/misc_ce/null 0700 root root
+ mkdir /data_mirror/misc_de/null 0700 root root
# Bind mount CE and DE data directory to mirror's default volume directory.
- # The 'slave' option (MS_SLAVE) is needed to cause the later bind mount of
- # /data/data onto /data/user/0 to propagate to /data_mirror/data_ce/null/0.
- mount none /data/user /data_mirror/data_ce/null bind rec slave
+ # Note that because the /data mount has the "shared" propagation type, the
+ # later bind mount of /data/data onto /data/user/0 will automatically
+ # propagate to /data_mirror/data_ce/null/0 as well.
+ mount none /data/user /data_mirror/data_ce/null bind rec
mount none /data/user_de /data_mirror/data_de/null bind rec
+ mount none /data/misc_ce /data_mirror/misc_ce/null bind rec
+ mount none /data/misc_de /data_mirror/misc_de/null bind rec
# Create mirror directory for jit profiles
mkdir /data_mirror/cur_profiles 0700 root root
@@ -1038,6 +1052,9 @@
# Enable FUSE by default
setprop persist.sys.fuse true
+ # Update dm-verity state and set partition.*.verified properties.
+ verity_update_state
+
# It is recommended to put unnecessary data/ initialization from post-fs-data
# to start-zygote in device's init.rc to unblock zygote start.
on zygote-start && property:ro.crypto.state=unencrypted
@@ -1109,6 +1126,7 @@
# are not aware of using fsync()/sync() to prepare sudden power-cut.
write /dev/sys/fs/by-name/userdata/cp_interval 200
write /dev/sys/fs/by-name/userdata/gc_urgent_sleep_time 50
+ write /dev/sys/fs/by-name/userdata/iostat_period_ms 1000
write /dev/sys/fs/by-name/userdata/iostat_enable 1
# set readahead multiplier for POSIX_FADV_SEQUENTIAL files
@@ -1176,9 +1194,6 @@
# Define default initial receive window size in segments.
setprop net.tcp_def_init_rwnd 60
- # Update dm-verity state and set partition.*.verified properties.
- verity_update_state
-
# Start standard binderized HAL daemons
class_start hal
@@ -1223,7 +1238,7 @@
# controlling access. On older kernels, the paranoid value is the only means of
# controlling access. It is normally 3 (allow only root), but the shell user
# can lower it to 1 (allowing thread-scoped pofiling) via security.perf_harden.
-on property:sys.init.perf_lsm_hooks=1
+on load_bpf_programs && property:sys.init.perf_lsm_hooks=1
write /proc/sys/kernel/perf_event_paranoid -1
on property:security.perf_harden=0 && property:sys.init.perf_lsm_hooks=""
write /proc/sys/kernel/perf_event_paranoid 1
@@ -1271,13 +1286,16 @@
group shell log readproc
seclabel u:r:shell:s0
setenv HOSTNAME console
+ shutdown critical
on property:ro.debuggable=1
- # Give writes to anyone for the trace folder on debug builds.
+ # Give writes to the same group for the trace folder on debug builds,
+ # it's further protected by selinux policy.
# The folder is used to store method traces.
chmod 0773 /data/misc/trace
- # Give reads to anyone for the window trace folder on debug builds.
- chmod 0775 /data/misc/wmtrace
+ # Give writes and reads to anyone for the window trace folder on debug builds,
+ # it's further protected by selinux policy.
+ chmod 0777 /data/misc/wmtrace
# Give reads to anyone for the accessibility trace folder on debug builds.
chmod 0775 /data/misc/a11ytrace
@@ -1315,7 +1333,6 @@
on userspace-reboot-resume
trigger userspace-reboot-fs-remount
trigger post-fs-data
- trigger apex-ready
trigger zygote-start
trigger early-boot
trigger boot
diff --git a/rootdir/init.zygote32.rc b/rootdir/init.zygote32.rc
index 63b09c0..2f0ec8a 100644
--- a/rootdir/init.zygote32.rc
+++ b/rootdir/init.zygote32.rc
@@ -7,6 +7,9 @@
socket usap_pool_primary stream 660 root system
onrestart exec_background - system system -- /system/bin/vdc volume abort_fuse
onrestart write /sys/power/state on
+ # NOTE: If the wakelock name here is changed, then also
+ # update it in SystemSuspend.cpp
+ onrestart write /sys/power/wake_lock zygote_kwl
onrestart restart audioserver
onrestart restart cameraserver
onrestart restart media
diff --git a/rootdir/init.zygote64.rc b/rootdir/init.zygote64.rc
index b6ca5c0..74a64c8 100644
--- a/rootdir/init.zygote64.rc
+++ b/rootdir/init.zygote64.rc
@@ -7,6 +7,9 @@
socket usap_pool_primary stream 660 root system
onrestart exec_background - system system -- /system/bin/vdc volume abort_fuse
onrestart write /sys/power/state on
+ # NOTE: If the wakelock name here is changed, then also
+ # update it in SystemSuspend.cpp
+ onrestart write /sys/power/wake_lock zygote_kwl
onrestart restart audioserver
onrestart restart cameraserver
onrestart restart media
diff --git a/rootdir/ramdisk_node_list b/rootdir/ramdisk_node_list
new file mode 100644
index 0000000..d3ab8a6
--- /dev/null
+++ b/rootdir/ramdisk_node_list
@@ -0,0 +1,3 @@
+dir dev 0755 0 0
+nod dev/null 0600 0 0 c 1 3
+nod dev/console 0600 0 0 c 5 1
diff --git a/rootdir/ueventd.rc b/rootdir/ueventd.rc
index 4ec59af..0b7ffb8 100644
--- a/rootdir/ueventd.rc
+++ b/rootdir/ueventd.rc
@@ -69,8 +69,8 @@
# CDMA radio interface MUX
/dev/ppp 0660 radio vpn
-/dev/kvm 0600 system system
-/dev/vhost-vsock 0600 system system
+/dev/kvm 0666 root root
+/dev/vhost-vsock 0666 root root
# sysfs properties
/sys/devices/platform/trusty.* trusty_version 0440 root log
diff --git a/storaged/Android.bp b/storaged/Android.bp
index 7960af3..c3447d2 100644
--- a/storaged/Android.bp
+++ b/storaged/Android.bp
@@ -24,7 +24,7 @@
shared_libs: [
"android.hardware.health@1.0",
"android.hardware.health@2.0",
- "android.hardware.health-V1-ndk",
+ "android.hardware.health-V2-ndk",
"libbase",
"libbinder",
"libbinder_ndk",
diff --git a/storaged/storaged_diskstats.cpp b/storaged/storaged_diskstats.cpp
index 1eae5a1..c315409 100644
--- a/storaged/storaged_diskstats.cpp
+++ b/storaged/storaged_diskstats.cpp
@@ -312,7 +312,7 @@
{
struct disk_perf perf = get_disk_perf(&mAccumulate_pub);
log_debug_disk_perf(&perf, "regular");
- log_event_disk_stats(&mAccumulate, "regular");
+ log_event_disk_stats(&mAccumulate_pub, "regular");
// Reset global structures
memset(&mAccumulate_pub, 0, sizeof(struct disk_stats));
}
diff --git a/storaged/tests/storaged_test.cpp b/storaged/tests/storaged_test.cpp
index bb71bf3..9a281c2 100644
--- a/storaged/tests/storaged_test.cpp
+++ b/storaged/tests/storaged_test.cpp
@@ -284,6 +284,8 @@
dsm_detect.update_mean();
dsm_detect.update_std();
+ // FixLater: avoid floating point loop counters
+ // NOLINTNEXTLINE(clang-analyzer-security.FloatLoopCounter,cert-flp30-c)
for (double i = 0; i < 2 * dsm_detect.mSigma; i += 0.5) {
struct disk_perf test_perf;
struct disk_perf test_mean = dsm_detect.mMean;
diff --git a/toolbox/modprobe.cpp b/toolbox/modprobe.cpp
index 711586a..17f8156 100644
--- a/toolbox/modprobe.cpp
+++ b/toolbox/modprobe.cpp
@@ -23,8 +23,11 @@
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/strings.h>
+#include <android-base/stringprintf.h>
#include <modprobe/modprobe.h>
+#include <sys/utsname.h>
+
namespace {
enum modprobe_mode {
@@ -37,9 +40,8 @@
void print_usage(void) {
LOG(INFO) << "Usage:";
LOG(INFO);
- // -d option is required on Android
- LOG(INFO) << " modprobe [options] -d DIR [--all=FILE|MODULE]...";
- LOG(INFO) << " modprobe [options] -d DIR MODULE [symbol=value]...";
+ LOG(INFO) << " modprobe [options] [-d DIR] [--all=FILE|MODULE]...";
+ LOG(INFO) << " modprobe [options] [-d DIR] MODULE [symbol=value]...";
LOG(INFO);
LOG(INFO) << "Options:";
LOG(INFO) << " --all=FILE: FILE to acquire module names from";
@@ -189,6 +191,12 @@
}
}
+ if (mod_dirs.empty()) {
+ utsname uts;
+ uname(&uts);
+ mod_dirs.emplace_back(android::base::StringPrintf("/lib/modules/%s", uts.release));
+ }
+
LOG(DEBUG) << "mode is " << mode;
LOG(DEBUG) << "mod_dirs is: " << android::base::Join(mod_dirs, " ");
LOG(DEBUG) << "modules is: " << android::base::Join(modules, " ");
diff --git a/trusty/confirmationui/Android.bp b/trusty/confirmationui/Android.bp
index 29ef3c0..c5c5012 100644
--- a/trusty/confirmationui/Android.bp
+++ b/trusty/confirmationui/Android.bp
@@ -53,6 +53,24 @@
],
}
+cc_fuzz {
+ name: "android.hardware.confirmationui-service.trusty_fuzzer",
+ defaults: ["service_fuzzer_defaults"],
+ vendor: true,
+ shared_libs: [
+ "android.hardware.confirmationui-V1-ndk",
+ "android.hardware.confirmationui.not-so-secure-input",
+ "android.hardware.confirmationui-lib.trusty",
+ "liblog",
+ ],
+ srcs: ["fuzzer.cpp"],
+ fuzz_config: {
+ cc: [
+ "nyamagoud@google.com",
+ ],
+ },
+}
+
cc_library {
name: "android.hardware.confirmationui-lib.trusty",
defaults: [
diff --git a/trusty/confirmationui/fuzzer.cpp b/trusty/confirmationui/fuzzer.cpp
new file mode 100644
index 0000000..4446b79
--- /dev/null
+++ b/trusty/confirmationui/fuzzer.cpp
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <TrustyConfirmationuiHal.h>
+#include <android-base/logging.h>
+#include <fuzzbinder/libbinder_ndk_driver.h>
+#include <fuzzer/FuzzedDataProvider.h>
+
+using aidl::android::hardware::confirmationui::createTrustyConfirmationUI;
+using aidl::android::hardware::confirmationui::IConfirmationUI;
+using android::fuzzService;
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+ auto confirmationui = createTrustyConfirmationUI();
+
+ fuzzService(confirmationui->asBinder().get(), FuzzedDataProvider(data, size));
+
+ return 0;
+}
diff --git a/trusty/confirmationui/service.cpp b/trusty/confirmationui/service.cpp
index b286c0a..44fa3a6 100644
--- a/trusty/confirmationui/service.cpp
+++ b/trusty/confirmationui/service.cpp
@@ -31,12 +31,8 @@
const auto instance = std::string(IConfirmationUI::descriptor) + "/default";
binder_status_t status =
AServiceManager_addService(confirmationui->asBinder().get(), instance.c_str());
-
- if (status != STATUS_OK) {
- LOG(FATAL) << "Could not register service for " << instance.c_str() << "(" << status << ")";
- return -1;
- }
+ CHECK_EQ(status, STATUS_OK) << "Could not register " << instance;
ABinderProcess_joinThreadPool();
- return -1;
+ return EXIT_FAILURE;
}
diff --git a/trusty/gatekeeper/Android.bp b/trusty/gatekeeper/Android.bp
index 81f012f..0b43754 100644
--- a/trusty/gatekeeper/Android.bp
+++ b/trusty/gatekeeper/Android.bp
@@ -24,11 +24,10 @@
}
cc_binary {
- name: "android.hardware.gatekeeper@1.0-service.trusty",
- defaults: ["hidl_defaults"],
+ name: "android.hardware.gatekeeper-service.trusty",
vendor: true,
relative_install_path: "hw",
- init_rc: ["android.hardware.gatekeeper@1.0-service.trusty.rc"],
+ init_rc: ["android.hardware.gatekeeper-service.trusty.rc"],
srcs: [
"service.cpp",
@@ -42,16 +41,21 @@
"-Werror",
],
+ static_libs: [
+ "libgflags",
+ ],
+
shared_libs: [
- "android.hardware.gatekeeper@1.0",
+ "android.hardware.gatekeeper-V1-ndk",
"libbase",
- "libhidlbase",
+ "libbinder_ndk",
"libgatekeeper",
+ "libhardware",
"libutils",
"liblog",
"libcutils",
"libtrusty",
],
- vintf_fragments: ["android.hardware.gatekeeper@1.0-service.trusty.xml"],
+ vintf_fragments: ["android.hardware.gatekeeper-service.trusty.xml"],
}
diff --git a/trusty/gatekeeper/TEST_MAPPING b/trusty/gatekeeper/TEST_MAPPING
new file mode 100644
index 0000000..da6c769
--- /dev/null
+++ b/trusty/gatekeeper/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+ "presubmit": [
+ {
+ "name": "VtsHalGatekeeperTargetTest"
+ }
+ ]
+}
diff --git a/trusty/gatekeeper/android.hardware.gatekeeper-service.trusty.rc b/trusty/gatekeeper/android.hardware.gatekeeper-service.trusty.rc
new file mode 100644
index 0000000..66ecbd1
--- /dev/null
+++ b/trusty/gatekeeper/android.hardware.gatekeeper-service.trusty.rc
@@ -0,0 +1,4 @@
+service vendor.gatekeeper_default /vendor/bin/hw/android.hardware.gatekeeper-service.trusty
+ class hal
+ user system
+ group system
diff --git a/trusty/gatekeeper/android.hardware.gatekeeper@1.0-service.trusty.xml b/trusty/gatekeeper/android.hardware.gatekeeper-service.trusty.xml
similarity index 60%
rename from trusty/gatekeeper/android.hardware.gatekeeper@1.0-service.trusty.xml
rename to trusty/gatekeeper/android.hardware.gatekeeper-service.trusty.xml
index 19714a8..c35421e 100644
--- a/trusty/gatekeeper/android.hardware.gatekeeper@1.0-service.trusty.xml
+++ b/trusty/gatekeeper/android.hardware.gatekeeper-service.trusty.xml
@@ -1,10 +1,9 @@
<manifest version="1.0" type="device">
- <hal format="hidl">
+ <hal format="aidl">
<name>android.hardware.gatekeeper</name>
- <transport>hwbinder</transport>
- <version>1.0</version>
+ <version>1</version>
<interface>
- <name>IGatekeeper</name>
+ <name>IGatekeeper</name>
<instance>default</instance>
</interface>
</hal>
diff --git a/trusty/gatekeeper/android.hardware.gatekeeper@1.0-service.trusty.rc b/trusty/gatekeeper/android.hardware.gatekeeper@1.0-service.trusty.rc
deleted file mode 100644
index 5413a6c..0000000
--- a/trusty/gatekeeper/android.hardware.gatekeeper@1.0-service.trusty.rc
+++ /dev/null
@@ -1,4 +0,0 @@
-service vendor.gatekeeper-1-0 /vendor/bin/hw/android.hardware.gatekeeper@1.0-service.trusty
- class hal
- user system
- group system
diff --git a/trusty/gatekeeper/service.cpp b/trusty/gatekeeper/service.cpp
index c5ee488..d09804f 100644
--- a/trusty/gatekeeper/service.cpp
+++ b/trusty/gatekeeper/service.cpp
@@ -13,27 +13,28 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-#define LOG_TAG "android.hardware.gatekeeper@1.0-service.trusty"
+#define LOG_TAG "android.hardware.gatekeeper-service.trusty"
#include <android-base/logging.h>
-#include <android/hardware/gatekeeper/1.0/IGatekeeper.h>
-
-#include <hidl/LegacySupport.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
#include "trusty_gatekeeper.h"
-// Generated HIDL files
-using android::hardware::gatekeeper::V1_0::IGatekeeper;
-using gatekeeper::TrustyGateKeeperDevice;
+using aidl::android::hardware::gatekeeper::TrustyGateKeeperDevice;
int main() {
- ::android::hardware::configureRpcThreadpool(1, true /* willJoinThreadpool */);
- android::sp<TrustyGateKeeperDevice> gatekeeper(new TrustyGateKeeperDevice());
- auto status = gatekeeper->registerAsService();
- if (status != android::OK) {
- LOG(FATAL) << "Could not register service for Gatekeeper 1.0 (trusty) (" << status << ")";
- }
+ ABinderProcess_setThreadPoolMaxThreadCount(0);
- android::hardware::joinRpcThreadpool();
+ std::shared_ptr<TrustyGateKeeperDevice> gatekeeper =
+ ndk::SharedRefBase::make<TrustyGateKeeperDevice>();
+
+ const std::string instance = std::string() + TrustyGateKeeperDevice::descriptor + "/default";
+ binder_status_t status =
+ AServiceManager_addService(gatekeeper->asBinder().get(), instance.c_str());
+ CHECK_EQ(status, STATUS_OK);
+
+ ABinderProcess_joinThreadPool();
+
return -1; // Should never get here.
}
diff --git a/trusty/gatekeeper/trusty_gatekeeper.cpp b/trusty/gatekeeper/trusty_gatekeeper.cpp
index ec4f81b..d0647df 100644
--- a/trusty/gatekeeper/trusty_gatekeeper.cpp
+++ b/trusty/gatekeeper/trusty_gatekeeper.cpp
@@ -16,28 +16,26 @@
#define LOG_TAG "TrustyGateKeeper"
-#include <android-base/logging.h>
+#include <endian.h>
#include <limits>
+#include <android-base/logging.h>
+#include <gatekeeper/password_handle.h>
+#include <hardware/hw_auth_token.h>
+
+#include "gatekeeper_ipc.h"
#include "trusty_gatekeeper.h"
#include "trusty_gatekeeper_ipc.h"
-#include "gatekeeper_ipc.h"
-using ::android::hardware::hidl_vec;
-using ::android::hardware::Return;
-using ::android::hardware::gatekeeper::V1_0::GatekeeperStatusCode;
-using ::gatekeeper::EnrollRequest;
-using ::gatekeeper::EnrollResponse;
+namespace aidl::android::hardware::gatekeeper {
+
using ::gatekeeper::ERROR_INVALID;
-using ::gatekeeper::ERROR_MEMORY_ALLOCATION_FAILED;
using ::gatekeeper::ERROR_NONE;
using ::gatekeeper::ERROR_RETRY;
using ::gatekeeper::SizedBuffer;
using ::gatekeeper::VerifyRequest;
using ::gatekeeper::VerifyResponse;
-namespace gatekeeper {
-
constexpr const uint32_t SEND_BUF_SIZE = 8192;
constexpr const uint32_t RECV_BUF_SIZE = 8192;
@@ -54,89 +52,101 @@
trusty_gatekeeper_disconnect();
}
-SizedBuffer hidl_vec2sized_buffer(const hidl_vec<uint8_t>& vec) {
+SizedBuffer vec2sized_buffer(const std::vector<uint8_t>& vec) {
if (vec.size() == 0 || vec.size() > std::numeric_limits<uint32_t>::max()) return {};
auto buffer = new uint8_t[vec.size()];
std::copy(vec.begin(), vec.end(), buffer);
return {buffer, static_cast<uint32_t>(vec.size())};
}
-Return<void> TrustyGateKeeperDevice::enroll(uint32_t uid,
- const hidl_vec<uint8_t>& currentPasswordHandle,
- const hidl_vec<uint8_t>& currentPassword,
- const hidl_vec<uint8_t>& desiredPassword,
- enroll_cb _hidl_cb) {
+void sizedBuffer2AidlHWToken(SizedBuffer& buffer,
+ android::hardware::security::keymint::HardwareAuthToken* aidlToken) {
+ const hw_auth_token_t* authToken =
+ reinterpret_cast<const hw_auth_token_t*>(buffer.Data<uint8_t>());
+ aidlToken->challenge = authToken->challenge;
+ aidlToken->userId = authToken->user_id;
+ aidlToken->authenticatorId = authToken->authenticator_id;
+ // these are in network order: translate to host
+ aidlToken->authenticatorType =
+ static_cast<android::hardware::security::keymint::HardwareAuthenticatorType>(
+ be32toh(authToken->authenticator_type));
+ aidlToken->timestamp.milliSeconds = be64toh(authToken->timestamp);
+ aidlToken->mac.insert(aidlToken->mac.begin(), std::begin(authToken->hmac),
+ std::end(authToken->hmac));
+}
+
+::ndk::ScopedAStatus TrustyGateKeeperDevice::enroll(
+ int32_t uid, const std::vector<uint8_t>& currentPasswordHandle,
+ const std::vector<uint8_t>& currentPassword, const std::vector<uint8_t>& desiredPassword,
+ GatekeeperEnrollResponse* rsp) {
if (error_ != 0) {
- _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
- return {};
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_GENERAL_FAILURE));
}
if (desiredPassword.size() == 0) {
- _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
- return {};
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_GENERAL_FAILURE));
}
- EnrollRequest request(uid, hidl_vec2sized_buffer(currentPasswordHandle),
- hidl_vec2sized_buffer(desiredPassword),
- hidl_vec2sized_buffer(currentPassword));
+ EnrollRequest request(uid, vec2sized_buffer(currentPasswordHandle),
+ vec2sized_buffer(desiredPassword), vec2sized_buffer(currentPassword));
EnrollResponse response;
auto error = Send(request, &response);
if (error != ERROR_NONE) {
- _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_GENERAL_FAILURE));
} else if (response.error == ERROR_RETRY) {
- _hidl_cb({GatekeeperStatusCode::ERROR_RETRY_TIMEOUT, response.retry_timeout, {}});
+ *rsp = {ERROR_RETRY_TIMEOUT, static_cast<int32_t>(response.retry_timeout), 0, {}};
+ return ndk::ScopedAStatus::ok();
} else if (response.error != ERROR_NONE) {
- _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_GENERAL_FAILURE));
} else {
- hidl_vec<uint8_t> new_handle(response.enrolled_password_handle.Data<uint8_t>(),
- response.enrolled_password_handle.Data<uint8_t>() +
- response.enrolled_password_handle.size());
- _hidl_cb({GatekeeperStatusCode::STATUS_OK, response.retry_timeout, new_handle});
+ const ::gatekeeper::password_handle_t* password_handle =
+ response.enrolled_password_handle.Data<::gatekeeper::password_handle_t>();
+ *rsp = {STATUS_OK,
+ 0,
+ static_cast<int64_t>(password_handle->user_id),
+ {response.enrolled_password_handle.Data<uint8_t>(),
+ (response.enrolled_password_handle.Data<uint8_t>() +
+ response.enrolled_password_handle.size())}};
}
- return {};
+ return ndk::ScopedAStatus::ok();
}
-Return<void> TrustyGateKeeperDevice::verify(
- uint32_t uid, uint64_t challenge,
- const ::android::hardware::hidl_vec<uint8_t>& enrolledPasswordHandle,
- const ::android::hardware::hidl_vec<uint8_t>& providedPassword, verify_cb _hidl_cb) {
+::ndk::ScopedAStatus TrustyGateKeeperDevice::verify(
+ int32_t uid, int64_t challenge, const std::vector<uint8_t>& enrolledPasswordHandle,
+ const std::vector<uint8_t>& providedPassword, GatekeeperVerifyResponse* rsp) {
if (error_ != 0) {
- _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
- return {};
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_GENERAL_FAILURE));
}
if (enrolledPasswordHandle.size() == 0) {
- _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
- return {};
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_GENERAL_FAILURE));
}
- VerifyRequest request(uid, challenge, hidl_vec2sized_buffer(enrolledPasswordHandle),
- hidl_vec2sized_buffer(providedPassword));
+ VerifyRequest request(uid, challenge, vec2sized_buffer(enrolledPasswordHandle),
+ vec2sized_buffer(providedPassword));
VerifyResponse response;
auto error = Send(request, &response);
if (error != ERROR_NONE) {
- _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_GENERAL_FAILURE));
} else if (response.error == ERROR_RETRY) {
- _hidl_cb({GatekeeperStatusCode::ERROR_RETRY_TIMEOUT, response.retry_timeout, {}});
+ *rsp = {ERROR_RETRY_TIMEOUT, static_cast<int32_t>(response.retry_timeout), {}};
+ return ndk::ScopedAStatus::ok();
} else if (response.error != ERROR_NONE) {
- _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_GENERAL_FAILURE));
} else {
- hidl_vec<uint8_t> auth_token(
- response.auth_token.Data<uint8_t>(),
- response.auth_token.Data<uint8_t>() + response.auth_token.size());
-
- _hidl_cb({response.request_reenroll ? GatekeeperStatusCode::STATUS_REENROLL
- : GatekeeperStatusCode::STATUS_OK,
- response.retry_timeout, auth_token});
+ // On Success, return GatekeeperVerifyResponse with Success Status, timeout{0} and
+ // valid HardwareAuthToken.
+ *rsp = {response.request_reenroll ? STATUS_REENROLL : STATUS_OK, 0, {}};
+ // Convert the hw_auth_token_t to HardwareAuthToken in the response.
+ sizedBuffer2AidlHWToken(response.auth_token, &rsp->hardwareAuthToken);
}
- return {};
+ return ndk::ScopedAStatus::ok();
}
-Return<void> TrustyGateKeeperDevice::deleteUser(uint32_t uid, deleteUser_cb _hidl_cb) {
+::ndk::ScopedAStatus TrustyGateKeeperDevice::deleteUser(int32_t uid) {
if (error_ != 0) {
- _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
- return {};
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_GENERAL_FAILURE));
}
DeleteUserRequest request(uid);
@@ -144,21 +154,19 @@
auto error = Send(request, &response);
if (error != ERROR_NONE) {
- _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_GENERAL_FAILURE));
} else if (response.error == ERROR_NOT_IMPLEMENTED) {
- _hidl_cb({GatekeeperStatusCode::ERROR_NOT_IMPLEMENTED, 0, {}});
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_NOT_IMPLEMENTED));
} else if (response.error != ERROR_NONE) {
- _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_GENERAL_FAILURE));
} else {
- _hidl_cb({GatekeeperStatusCode::STATUS_OK, response.retry_timeout, {}});
+ return ndk::ScopedAStatus::ok();
}
- return {};
}
-Return<void> TrustyGateKeeperDevice::deleteAllUsers(deleteAllUsers_cb _hidl_cb) {
+::ndk::ScopedAStatus TrustyGateKeeperDevice::deleteAllUsers() {
if (error_ != 0) {
- _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
- return {};
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_GENERAL_FAILURE));
}
DeleteAllUsersRequest request;
@@ -166,16 +174,14 @@
auto error = Send(request, &response);
if (error != ERROR_NONE) {
- _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_GENERAL_FAILURE));
} else if (response.error == ERROR_NOT_IMPLEMENTED) {
- _hidl_cb({GatekeeperStatusCode::ERROR_NOT_IMPLEMENTED, 0, {}});
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_NOT_IMPLEMENTED));
} else if (response.error != ERROR_NONE) {
- _hidl_cb({GatekeeperStatusCode::ERROR_GENERAL_FAILURE, 0, {}});
+ return ndk::ScopedAStatus(AStatus_fromServiceSpecificError(ERROR_GENERAL_FAILURE));
} else {
- _hidl_cb({GatekeeperStatusCode::STATUS_OK, response.retry_timeout, {}});
+ return ndk::ScopedAStatus::ok();
}
-
- return {};
}
gatekeeper_error_t TrustyGateKeeperDevice::Send(uint32_t command, const GateKeeperMessage& request,
@@ -201,4 +207,4 @@
return response->Deserialize(payload, payload + response_size);
}
-};
+} // namespace aidl::android::hardware::gatekeeper
diff --git a/trusty/gatekeeper/trusty_gatekeeper.h b/trusty/gatekeeper/trusty_gatekeeper.h
index 420dd7a..5cb5d4b 100644
--- a/trusty/gatekeeper/trusty_gatekeeper.h
+++ b/trusty/gatekeeper/trusty_gatekeeper.h
@@ -17,18 +17,30 @@
#ifndef TRUSTY_GATEKEEPER_H
#define TRUSTY_GATEKEEPER_H
-#include <android/hardware/gatekeeper/1.0/IGatekeeper.h>
-#include <hidl/Status.h>
-
#include <memory>
+#include <aidl/android/hardware/gatekeeper/BnGatekeeper.h>
+
#include <gatekeeper/gatekeeper_messages.h>
#include "gatekeeper_ipc.h"
-namespace gatekeeper {
+namespace aidl::android::hardware::gatekeeper {
-class TrustyGateKeeperDevice : public ::android::hardware::gatekeeper::V1_0::IGatekeeper {
+using aidl::android::hardware::gatekeeper::GatekeeperEnrollResponse;
+using aidl::android::hardware::gatekeeper::GatekeeperVerifyResponse;
+using ::gatekeeper::DeleteAllUsersRequest;
+using ::gatekeeper::DeleteAllUsersResponse;
+using ::gatekeeper::DeleteUserRequest;
+using ::gatekeeper::DeleteUserResponse;
+using ::gatekeeper::EnrollRequest;
+using ::gatekeeper::EnrollResponse;
+using ::gatekeeper::gatekeeper_error_t;
+using ::gatekeeper::GateKeeperMessage;
+using ::gatekeeper::VerifyRequest;
+using ::gatekeeper::VerifyResponse;
+
+class TrustyGateKeeperDevice : public BnGatekeeper {
public:
explicit TrustyGateKeeperDevice();
~TrustyGateKeeperDevice();
@@ -40,11 +52,10 @@
* Returns: 0 on success or an error code less than 0 on error.
* On error, enrolled_password_handle will not be allocated.
*/
- ::android::hardware::Return<void> enroll(
- uint32_t uid, const ::android::hardware::hidl_vec<uint8_t>& currentPasswordHandle,
- const ::android::hardware::hidl_vec<uint8_t>& currentPassword,
- const ::android::hardware::hidl_vec<uint8_t>& desiredPassword,
- enroll_cb _hidl_cb) override;
+ ::ndk::ScopedAStatus enroll(int32_t uid, const std::vector<uint8_t>& currentPasswordHandle,
+ const std::vector<uint8_t>& currentPassword,
+ const std::vector<uint8_t>& desiredPassword,
+ GatekeeperEnrollResponse* _aidl_return) override;
/**
* Verifies provided_password matches enrolled_password_handle.
@@ -59,25 +70,24 @@
* Returns: 0 on success or an error code less than 0 on error
* On error, verification token will not be allocated
*/
- ::android::hardware::Return<void> verify(
- uint32_t uid, uint64_t challenge,
- const ::android::hardware::hidl_vec<uint8_t>& enrolledPasswordHandle,
- const ::android::hardware::hidl_vec<uint8_t>& providedPassword,
- verify_cb _hidl_cb) override;
+ ::ndk::ScopedAStatus verify(int32_t uid, int64_t challenge,
+ const std::vector<uint8_t>& enrolledPasswordHandle,
+ const std::vector<uint8_t>& providedPassword,
+ GatekeeperVerifyResponse* _aidl_return) override;
- ::android::hardware::Return<void> deleteUser(uint32_t uid, deleteUser_cb _hidl_cb) override;
+ ::ndk::ScopedAStatus deleteAllUsers() override;
- ::android::hardware::Return<void> deleteAllUsers(deleteAllUsers_cb _hidl_cb) override;
+ ::ndk::ScopedAStatus deleteUser(int32_t uid) override;
private:
gatekeeper_error_t Send(uint32_t command, const GateKeeperMessage& request,
GateKeeperMessage* response);
- gatekeeper_error_t Send(const EnrollRequest& request, EnrollResponse *response) {
+ gatekeeper_error_t Send(const EnrollRequest& request, EnrollResponse* response) {
return Send(GK_ENROLL, request, response);
}
- gatekeeper_error_t Send(const VerifyRequest& request, VerifyResponse *response) {
+ gatekeeper_error_t Send(const VerifyRequest& request, VerifyResponse* response) {
return Send(GK_VERIFY, request, response);
}
@@ -93,7 +103,6 @@
int error_;
};
-} // namespace gatekeeper
+} // namespace aidl::android::hardware::gatekeeper
#endif
-
diff --git a/trusty/keymaster/Android.bp b/trusty/keymaster/Android.bp
index adc9fdf..b249013 100644
--- a/trusty/keymaster/Android.bp
+++ b/trusty/keymaster/Android.bp
@@ -109,6 +109,7 @@
"keymint_use_latest_hal_aidl_ndk_shared",
],
shared_libs: [
+ "android.hardware.security.rkp-V3-ndk",
"android.hardware.security.secureclock-V1-ndk",
"android.hardware.security.sharedsecret-V1-ndk",
"lib_android_keymaster_keymint_utils",
@@ -180,3 +181,30 @@
"-Werror",
],
}
+
+cc_binary {
+ name: "trusty_keymaster_set_attestation_ids",
+ vendor: true,
+
+ srcs: [
+ "set_attestation_ids/set_attestation_ids.cpp",
+ "ipc/trusty_keymaster_ipc.cpp",
+ ],
+
+ local_include_dirs: ["include"],
+
+ shared_libs: [
+ "libbase",
+ "libc",
+ "libcrypto",
+ "liblog",
+ "libtrusty",
+ "libhardware",
+ "libkeymaster_messages",
+ "libutils",
+ ],
+ cflags: [
+ "-Wall",
+ "-Werror",
+ ],
+}
diff --git a/trusty/keymaster/TEST_MAPPING b/trusty/keymaster/TEST_MAPPING
new file mode 100644
index 0000000..0dd39fb
--- /dev/null
+++ b/trusty/keymaster/TEST_MAPPING
@@ -0,0 +1,10 @@
+{
+ "presubmit": [
+ {
+ "name": "VtsAidlKeyMintTargetTest"
+ },
+ {
+ "name": "VtsHalRemotelyProvisionedComponentTargetTest"
+ }
+ ]
+}
diff --git a/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp b/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp
index 7d58162..b696ff9 100644
--- a/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp
+++ b/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp
@@ -91,7 +91,7 @@
} // namespace
ScopedAStatus TrustyKeyMintDevice::getHardwareInfo(KeyMintHardwareInfo* info) {
- info->versionNumber = 2;
+ info->versionNumber = 3;
info->securityLevel = kSecurityLevel;
info->keyMintName = "TrustyKeyMintDevice";
info->keyMintAuthorName = "Google";
diff --git a/trusty/keymaster/keymint/TrustyRemotelyProvisionedComponentDevice.cpp b/trusty/keymaster/keymint/TrustyRemotelyProvisionedComponentDevice.cpp
index c6800cd..710be3e 100644
--- a/trusty/keymaster/keymint/TrustyRemotelyProvisionedComponentDevice.cpp
+++ b/trusty/keymaster/keymint/TrustyRemotelyProvisionedComponentDevice.cpp
@@ -85,6 +85,7 @@
info->rpcAuthorName = std::move(response.rpcAuthorName);
info->supportedEekCurve = response.supportedEekCurve;
info->uniqueId = std::move(response.uniqueId);
+ info->supportedNumKeysInCsr = response.supportedNumKeysInCsr;
return ScopedAStatus::ok();
}
diff --git a/trusty/keymaster/keymint/android.hardware.security.keymint-service.trusty.xml b/trusty/keymaster/keymint/android.hardware.security.keymint-service.trusty.xml
index 77dc854..3dc9c88 100644
--- a/trusty/keymaster/keymint/android.hardware.security.keymint-service.trusty.xml
+++ b/trusty/keymaster/keymint/android.hardware.security.keymint-service.trusty.xml
@@ -1,7 +1,7 @@
<manifest version="1.0" type="device">
<hal format="aidl">
<name>android.hardware.security.keymint</name>
- <version>2</version>
+ <version>3</version>
<fqname>IKeyMintDevice/default</fqname>
</hal>
<hal format="aidl">
diff --git a/trusty/keymaster/keymint/service.cpp b/trusty/keymaster/keymint/service.cpp
index 3447b27..14549d2 100644
--- a/trusty/keymaster/keymint/service.cpp
+++ b/trusty/keymaster/keymint/service.cpp
@@ -41,7 +41,7 @@
int main() {
auto trustyKeymaster = std::make_shared<keymaster::TrustyKeymaster>();
- int err = trustyKeymaster->Initialize(keymaster::KmVersion::KEYMINT_2);
+ int err = trustyKeymaster->Initialize(keymaster::KmVersion::KEYMINT_3);
if (err != 0) {
LOG(FATAL) << "Could not initialize TrustyKeymaster for KeyMint (" << err << ")";
return -1;
diff --git a/trusty/keymaster/set_attestation_ids/set_attestation_ids.cpp b/trusty/keymaster/set_attestation_ids/set_attestation_ids.cpp
new file mode 100644
index 0000000..e944167
--- /dev/null
+++ b/trusty/keymaster/set_attestation_ids/set_attestation_ids.cpp
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <getopt.h>
+
+#include <string>
+
+#include <android-base/properties.h>
+#include <trusty_keymaster/ipc/trusty_keymaster_ipc.h>
+
+namespace {
+
+const char* sopts = "hb:d:p:s:M:m:i:c:";
+const struct option lopts[] = {
+ {"help", no_argument, nullptr, 'h'},
+ {"brand", required_argument, nullptr, 'b'},
+ {"device", required_argument, nullptr, 'd'},
+ {"product", required_argument, nullptr, 'p'},
+ {"serial", required_argument, nullptr, 's'},
+ {"manufacturer", required_argument, nullptr, 'M'},
+ {"model", required_argument, nullptr, 'm'},
+ {"imei", required_argument, nullptr, 'i'},
+ {"meid", required_argument, nullptr, 'c'},
+ {0, 0, 0, 0},
+};
+
+std::string buf2string(const keymaster::Buffer& buf) {
+ return std::string(reinterpret_cast<const char*>(buf.peek_read()), buf.available_read());
+}
+
+void print_usage(const char* prog, const keymaster::SetAttestationIdsRequest& req) {
+ fprintf(stderr,
+ "Usage: %s [options]\n"
+ "\n"
+ "options:\n"
+ " -h, --help prints this message and exit\n"
+ " -b, --brand <val> set brand (default '%s')\n"
+ " -d, --device <val> set device (default '%s')\n"
+ " -p, --product <val> set product (default '%s')\n"
+ " -s, --serial <val> set serial (default '%s')\n"
+ " -M, --manufacturer <val> set manufacturer (default '%s')\n"
+ " -m, --model <val> set model (default '%s')\n"
+ " -i, --imei <val> set IMEI (default '%s')\n"
+ " -c, --meid <val> set MEID (default '%s')\n"
+ "\n",
+ prog, buf2string(req.brand).c_str(), buf2string(req.device).c_str(),
+ buf2string(req.product).c_str(), buf2string(req.serial).c_str(),
+ buf2string(req.manufacturer).c_str(), buf2string(req.model).c_str(),
+ buf2string(req.imei).c_str(), buf2string(req.meid).c_str());
+}
+
+void set_from_prop(keymaster::Buffer* buf, const std::string& prop) {
+ std::string prop_value = ::android::base::GetProperty(prop, /* default_value = */ "");
+ if (!prop_value.empty()) {
+ buf->Reinitialize(prop_value.data(), prop_value.size());
+ }
+}
+
+void populate_ids(keymaster::SetAttestationIdsRequest* req) {
+ set_from_prop(&req->brand, "ro.product.brand");
+ set_from_prop(&req->device, "ro.product.device");
+ set_from_prop(&req->product, "ro.product.name");
+ set_from_prop(&req->serial, "ro.serialno");
+ set_from_prop(&req->manufacturer, "ro.product.manufacturer");
+ set_from_prop(&req->model, "ro.product.model");
+}
+
+} // namespace
+
+int main(int argc, char** argv) {
+ // By default, set attestation IDs to the values in userspace properties.
+ keymaster::SetAttestationIdsRequest req(/* ver = */ 4);
+ populate_ids(&req);
+
+ while (true) {
+ int oidx = 0;
+ int c = getopt_long(argc, argv, sopts, lopts, &oidx);
+ if (c == -1) {
+ break; /* done */
+ }
+
+ switch (c) {
+ case 'b':
+ req.brand.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 'd':
+ req.device.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 'p':
+ req.product.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 's':
+ req.serial.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 'M':
+ req.manufacturer.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 'm':
+ req.model.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 'i':
+ req.imei.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 'c':
+ req.meid.Reinitialize(optarg, strlen(optarg));
+ break;
+ case 'h':
+ print_usage(argv[0], req);
+ exit(EXIT_SUCCESS);
+ default:
+ print_usage(argv[0], req);
+ exit(EXIT_FAILURE);
+ }
+ }
+ if (optind != argc) {
+ print_usage(argv[0], req);
+ exit(EXIT_FAILURE);
+ }
+
+ int ret = trusty_keymaster_connect();
+ if (ret) {
+ fprintf(stderr, "trusty_keymaster_connect failed: %d\n", ret);
+ return EXIT_FAILURE;
+ }
+
+ printf("Setting:\n"
+ " brand: %s\n"
+ " device: %s\n"
+ " product: %s\n"
+ " serial: %s\n"
+ " manufacturer: %s\n"
+ " model: %s\n"
+ " IMEI: %s\n"
+ " MEID: %s\n",
+ buf2string(req.brand).c_str(), buf2string(req.device).c_str(),
+ buf2string(req.product).c_str(), buf2string(req.serial).c_str(),
+ buf2string(req.manufacturer).c_str(), buf2string(req.model).c_str(),
+ buf2string(req.imei).c_str(), buf2string(req.meid).c_str());
+
+ keymaster::EmptyKeymasterResponse rsp(/* ver = */ 4);
+ ret = trusty_keymaster_send(KM_SET_ATTESTATION_IDS, req, &rsp);
+ if (ret) {
+ fprintf(stderr, "SET_ATTESTATION_IDS failed: %d\n", ret);
+ trusty_keymaster_disconnect();
+ return EXIT_FAILURE;
+ }
+
+ return EXIT_SUCCESS;
+}
diff --git a/trusty/keymint/Android.bp b/trusty/keymint/Android.bp
new file mode 100644
index 0000000..c19ebbd
--- /dev/null
+++ b/trusty/keymint/Android.bp
@@ -0,0 +1,41 @@
+//
+// Copyright (C) 2022 The Android Open-Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+ default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+rust_binary {
+ name: "android.hardware.security.keymint-service.rust.trusty",
+ relative_install_path: "hw",
+ vendor: true,
+ init_rc: ["android.hardware.security.keymint-service.rust.trusty.rc"],
+ vintf_fragments: ["android.hardware.security.keymint-service.rust.trusty.xml"],
+ srcs: [
+ "src/keymint_hal_main.rs"
+ ],
+ rustlibs: [
+ "libandroid_logger",
+ "libbinder_rs",
+ "libkmr_wire",
+ "libkmr_hal",
+ "libtrusty-rs",
+ "liblibc",
+ "liblog_rust",
+ ],
+ required: [
+ "android.hardware.hardware_keystore.xml",
+ ],
+}
diff --git a/trusty/keymint/android.hardware.hardware_keystore.rust.trusty-keymint.xml b/trusty/keymint/android.hardware.hardware_keystore.rust.trusty-keymint.xml
new file mode 100644
index 0000000..cd656b2
--- /dev/null
+++ b/trusty/keymint/android.hardware.hardware_keystore.rust.trusty-keymint.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2021 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<permissions>
+ <feature name="android.hardware.hardware_keystore" version="300" />
+</permissions>
diff --git a/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.rc b/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.rc
new file mode 100644
index 0000000..e3d94c6
--- /dev/null
+++ b/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.rc
@@ -0,0 +1,7 @@
+service vendor.keymint.rust-trusty /vendor/bin/hw/android.hardware.security.keymint-service.rust.trusty
+ class early_hal
+ user nobody
+ group drmrpc
+ # The keymint service is not allowed to restart.
+ # If it crashes, a device restart is required.
+ oneshot
\ No newline at end of file
diff --git a/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.xml b/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.xml
new file mode 100644
index 0000000..3dc9c88
--- /dev/null
+++ b/trusty/keymint/android.hardware.security.keymint-service.rust.trusty.xml
@@ -0,0 +1,20 @@
+<manifest version="1.0" type="device">
+ <hal format="aidl">
+ <name>android.hardware.security.keymint</name>
+ <version>3</version>
+ <fqname>IKeyMintDevice/default</fqname>
+ </hal>
+ <hal format="aidl">
+ <name>android.hardware.security.secureclock</name>
+ <fqname>ISecureClock/default</fqname>
+ </hal>
+ <hal format="aidl">
+ <name>android.hardware.security.sharedsecret</name>
+ <fqname>ISharedSecret/default</fqname>
+ </hal>
+ <hal format="aidl">
+ <name>android.hardware.security.keymint</name>
+ <version>3</version>
+ <fqname>IRemotelyProvisionedComponent/default</fqname>
+ </hal>
+</manifest>
diff --git a/trusty/keymint/src/keymint_hal_main.rs b/trusty/keymint/src/keymint_hal_main.rs
new file mode 100644
index 0000000..cfa859f
--- /dev/null
+++ b/trusty/keymint/src/keymint_hal_main.rs
@@ -0,0 +1,164 @@
+//
+// Copyright (C) 2022 The Android Open-Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! This module implements the HAL service for Keymint (Rust) in Trusty.
+use kmr_hal::{
+ extract_rsp, keymint, rpc, secureclock, send_hal_info, sharedsecret, SerializedChannel,
+};
+use log::{error, info};
+use std::{
+ ffi::CString,
+ ops::DerefMut,
+ panic,
+ sync::{Arc, Mutex},
+};
+use trusty::DEFAULT_DEVICE;
+
+const TRUSTY_KEYMINT_RUST_SERVICE_NAME: &str = "com.android.trusty.keymint";
+
+static SERVICE_INSTANCE: &str = "default";
+
+static KM_SERVICE_NAME: &str = "android.hardware.security.keymint.IKeyMintDevice";
+static RPC_SERVICE_NAME: &str = "android.hardware.security.keymint.IRemotelyProvisionedComponent";
+static SECURE_CLOCK_SERVICE_NAME: &str = "android.hardware.security.secureclock.ISecureClock";
+static SHARED_SECRET_SERVICE_NAME: &str = "android.hardware.security.sharedsecret.ISharedSecret";
+
+/// Local error type for failures in the HAL service.
+#[derive(Debug, Clone)]
+struct HalServiceError(String);
+
+#[derive(Debug)]
+struct TipcChannel(trusty::TipcChannel);
+
+impl SerializedChannel for TipcChannel {
+ const MAX_SIZE: usize = 4000;
+ fn execute(&mut self, serialized_req: &[u8]) -> binder::Result<Vec<u8>> {
+ self.0.send(serialized_req).map_err(|e| {
+ binder::Status::new_exception(
+ binder::ExceptionCode::TRANSACTION_FAILED,
+ Some(
+ &CString::new(format!(
+ "Failed to send the request via tipc channel because of {:?}",
+ e
+ ))
+ .unwrap(),
+ ),
+ )
+ })?;
+ let mut expect_more_msgs = true;
+ let mut full_rsp = Vec::new();
+ while expect_more_msgs {
+ let mut recv_buf = Vec::new();
+ self.0.recv(&mut recv_buf).map_err(|e| {
+ binder::Status::new_exception(
+ binder::ExceptionCode::TRANSACTION_FAILED,
+ Some(
+ &CString::new(format!(
+ "Failed to receive the response via tipc channel because of {:?}",
+ e
+ ))
+ .unwrap(),
+ ),
+ )
+ })?;
+ let current_rsp_content;
+ (expect_more_msgs, current_rsp_content) = extract_rsp(&recv_buf)?;
+ full_rsp.extend_from_slice(current_rsp_content);
+ }
+ Ok(full_rsp)
+ }
+}
+
+fn main() {
+ if let Err(e) = inner_main() {
+ panic!("HAL service failed: {:?}", e);
+ }
+}
+
+fn inner_main() -> Result<(), HalServiceError> {
+ // Initialize Android logging.
+ android_logger::init_once(
+ android_logger::Config::default()
+ .with_tag("keymint-hal-trusty")
+ .with_min_level(log::Level::Info)
+ .with_log_id(android_logger::LogId::System),
+ );
+ // Redirect panic messages to logcat.
+ panic::set_hook(Box::new(|panic_info| {
+ error!("{}", panic_info);
+ }));
+
+ info!("Trusty KM HAL service is starting.");
+
+ info!("Starting thread pool now.");
+ binder::ProcessState::start_thread_pool();
+
+ // Create connection to the TA
+ let connection = trusty::TipcChannel::connect(DEFAULT_DEVICE, TRUSTY_KEYMINT_RUST_SERVICE_NAME)
+ .map_err(|e| {
+ HalServiceError(format!("Failed to connect to Trusty Keymint TA because of {:?}.", e))
+ })?;
+ let tipc_channel = Arc::new(Mutex::new(TipcChannel(connection)));
+
+ // Register the Keymint service
+ let km_service = keymint::Device::new_as_binder(tipc_channel.clone());
+ let km_service_name = format!("{}/{}", KM_SERVICE_NAME, SERVICE_INSTANCE);
+ binder::add_service(&km_service_name, km_service.as_binder()).map_err(|e| {
+ HalServiceError(format!(
+ "Failed to register service {} because of {:?}.",
+ km_service_name, e
+ ))
+ })?;
+
+ // Register the Remotely Provisioned Component service
+ let rpc_service = rpc::Device::new_as_binder(tipc_channel.clone());
+ let rpc_service_name = format!("{}/{}", RPC_SERVICE_NAME, SERVICE_INSTANCE);
+ binder::add_service(&rpc_service_name, rpc_service.as_binder()).map_err(|e| {
+ HalServiceError(format!(
+ "Failed to register service {} because of {:?}.",
+ rpc_service_name, e
+ ))
+ })?;
+
+ // Register the Secure Clock service
+ let sclock_service = secureclock::Device::new_as_binder(tipc_channel.clone());
+ let sclock_service_name = format!("{}/{}", SECURE_CLOCK_SERVICE_NAME, SERVICE_INSTANCE);
+ binder::add_service(&sclock_service_name, sclock_service.as_binder()).map_err(|e| {
+ HalServiceError(format!(
+ "Failed to register service {} because of {:?}.",
+ sclock_service_name, e
+ ))
+ })?;
+
+ // Register the Shared Secret service
+ let ssecret_service = sharedsecret::Device::new_as_binder(tipc_channel.clone());
+ let ssecret_service_name = format!("{}/{}", SHARED_SECRET_SERVICE_NAME, SERVICE_INSTANCE);
+ binder::add_service(&ssecret_service_name, ssecret_service.as_binder()).map_err(|e| {
+ HalServiceError(format!(
+ "Failed to register service {} because of {:?}.",
+ ssecret_service_name, e
+ ))
+ })?;
+
+ // Send the HAL service information to the TA
+ send_hal_info(tipc_channel.lock().unwrap().deref_mut())
+ .map_err(|e| HalServiceError(format!("Failed to populate HAL info: {:?}", e)))?;
+
+ info!("Successfully registered KeyMint HAL services.");
+ info!("Joining thread pool now.");
+ binder::ProcessState::join_thread_pool();
+ info!("KeyMint HAL service is terminating."); // should not reach here
+ Ok(())
+}
diff --git a/trusty/libtrusty/Android.bp b/trusty/libtrusty/Android.bp
index 086051d..9d94ec4 100644
--- a/trusty/libtrusty/Android.bp
+++ b/trusty/libtrusty/Android.bp
@@ -33,5 +33,6 @@
// TODO(b/170753563): cc_fuzz can't deal with vendor components. Build
// libtrusty for system and vendor.
vendor_available: true,
+ recovery_available: true,
defaults: ["libtrusty_defaults"],
}
diff --git a/trusty/storage/proxy/Android.bp b/trusty/storage/proxy/Android.bp
index 94f26d8..2e97ee0 100644
--- a/trusty/storage/proxy/Android.bp
+++ b/trusty/storage/proxy/Android.bp
@@ -28,15 +28,16 @@
"rpmb.c",
"storage.c",
"proxy.c",
+ "watchdog.cpp",
],
shared_libs: [
"libbase",
+ "libcutils",
"liblog",
"libhardware_legacy",
],
header_libs: [
- "libcutils_headers",
"libgsi_headers",
],
diff --git a/trusty/storage/proxy/proxy.c b/trusty/storage/proxy/proxy.c
index b970406..c89c5b6 100644
--- a/trusty/storage/proxy/proxy.c
+++ b/trusty/storage/proxy/proxy.c
@@ -31,6 +31,7 @@
#include "log.h"
#include "rpmb.h"
#include "storage.h"
+#include "watchdog.h"
#define REQ_BUFFER_SIZE 4096
static uint8_t req_buffer[REQ_BUFFER_SIZE + 1];
@@ -73,6 +74,8 @@
static int handle_req(struct storage_msg* msg, const void* req, size_t req_len) {
int rc;
+ struct watcher* watcher = watch_start("request", msg);
+
if ((msg->flags & STORAGE_MSG_FLAG_POST_COMMIT) && msg->cmd != STORAGE_RPMB_SEND &&
msg->cmd != STORAGE_FILE_WRITE) {
/*
@@ -81,14 +84,14 @@
*/
ALOGE("cmd 0x%x: post commit option is not implemented\n", msg->cmd);
msg->result = STORAGE_ERR_UNIMPLEMENTED;
- return ipc_respond(msg, NULL, 0);
+ goto err_response;
}
if (msg->flags & STORAGE_MSG_FLAG_PRE_COMMIT) {
- rc = storage_sync_checkpoint();
+ rc = storage_sync_checkpoint(watcher);
if (rc < 0) {
msg->result = STORAGE_ERR_SYNC_FAILURE;
- return ipc_respond(msg, NULL, 0);
+ goto err_response;
}
}
@@ -99,57 +102,65 @@
if (rc != 0) {
ALOGE("is_data_checkpoint_active failed in an unexpected way. Aborting.\n");
msg->result = STORAGE_ERR_GENERIC;
- return ipc_respond(msg, NULL, 0);
+ goto err_response;
} else if (is_checkpoint_active) {
ALOGE("Checkpoint in progress, dropping write ...\n");
msg->result = STORAGE_ERR_GENERIC;
- return ipc_respond(msg, NULL, 0);
+ goto err_response;
}
}
switch (msg->cmd) {
case STORAGE_FILE_DELETE:
- rc = storage_file_delete(msg, req, req_len);
+ rc = storage_file_delete(msg, req, req_len, watcher);
break;
case STORAGE_FILE_OPEN:
- rc = storage_file_open(msg, req, req_len);
+ rc = storage_file_open(msg, req, req_len, watcher);
break;
case STORAGE_FILE_CLOSE:
- rc = storage_file_close(msg, req, req_len);
+ rc = storage_file_close(msg, req, req_len, watcher);
break;
case STORAGE_FILE_WRITE:
- rc = storage_file_write(msg, req, req_len);
+ rc = storage_file_write(msg, req, req_len, watcher);
break;
case STORAGE_FILE_READ:
- rc = storage_file_read(msg, req, req_len);
+ rc = storage_file_read(msg, req, req_len, watcher);
break;
case STORAGE_FILE_GET_SIZE:
- rc = storage_file_get_size(msg, req, req_len);
+ rc = storage_file_get_size(msg, req, req_len, watcher);
break;
case STORAGE_FILE_SET_SIZE:
- rc = storage_file_set_size(msg, req, req_len);
+ rc = storage_file_set_size(msg, req, req_len, watcher);
+ break;
+
+ case STORAGE_FILE_GET_MAX_SIZE:
+ rc = storage_file_get_max_size(msg, req, req_len, watcher);
break;
case STORAGE_RPMB_SEND:
- rc = rpmb_send(msg, req, req_len);
+ rc = rpmb_send(msg, req, req_len, watcher);
break;
default:
ALOGE("unhandled command 0x%x\n", msg->cmd);
msg->result = STORAGE_ERR_UNIMPLEMENTED;
- rc = 1;
+ goto err_response;
}
- if (rc > 0) {
- /* still need to send response */
- rc = ipc_respond(msg, NULL, 0);
- }
+ /* response was sent in handler */
+ goto finish;
+
+err_response:
+ rc = ipc_respond(msg, NULL, 0);
+
+finish:
+ watch_finish(watcher);
return rc;
}
diff --git a/trusty/storage/proxy/rpmb.c b/trusty/storage/proxy/rpmb.c
index f059935..22a85a7 100644
--- a/trusty/storage/proxy/rpmb.c
+++ b/trusty/storage/proxy/rpmb.c
@@ -321,10 +321,11 @@
return SCSI_RES_ERR;
}
-static int send_mmc_rpmb_req(int mmc_fd, const struct storage_rpmb_send_req* req) {
- struct {
+static int send_mmc_rpmb_req(int mmc_fd, const struct storage_rpmb_send_req* req,
+ struct watcher* watcher) {
+ union {
struct mmc_ioc_multi_cmd multi;
- struct mmc_ioc_cmd cmd_buf[3];
+ uint8_t raw[sizeof(struct mmc_ioc_multi_cmd) + sizeof(struct mmc_ioc_cmd) * 3];
} mmc = {};
struct mmc_ioc_cmd* cmd = mmc.multi.cmds;
int rc;
@@ -375,14 +376,17 @@
cmd++;
}
+ watch_progress(watcher, "rpmb mmc ioctl");
rc = ioctl(mmc_fd, MMC_IOC_MULTI_CMD, &mmc.multi);
+ watch_progress(watcher, "rpmb mmc ioctl done");
if (rc < 0) {
ALOGE("%s: mmc ioctl failed: %d, %s\n", __func__, rc, strerror(errno));
}
return rc;
}
-static int send_ufs_rpmb_req(int sg_fd, const struct storage_rpmb_send_req* req) {
+static int send_ufs_rpmb_req(int sg_fd, const struct storage_rpmb_send_req* req,
+ struct watcher* watcher) {
int rc;
int wl_rc;
const uint8_t* write_buf = req->payload;
@@ -410,7 +414,9 @@
set_sg_io_hdr(&io_hdr, SG_DXFER_TO_DEV, sizeof(out_cdb), sizeof(sense_buffer),
req->reliable_write_size, (void*)write_buf, (unsigned char*)&out_cdb,
sense_buffer);
+ watch_progress(watcher, "rpmb ufs reliable write");
rc = ioctl(sg_fd, SG_IO, &io_hdr);
+ watch_progress(watcher, "rpmb ufs reliable write done");
if (rc < 0) {
ALOGE("%s: ufs ioctl failed: %d, %s\n", __func__, rc, strerror(errno));
goto err_op;
@@ -435,7 +441,9 @@
set_sg_io_hdr(&io_hdr, SG_DXFER_TO_DEV, sizeof(out_cdb), sizeof(sense_buffer),
req->write_size, (void*)write_buf, (unsigned char*)&out_cdb,
sense_buffer);
+ watch_progress(watcher, "rpmb ufs write");
rc = ioctl(sg_fd, SG_IO, &io_hdr);
+ watch_progress(watcher, "rpmb ufs write done");
if (rc < 0) {
ALOGE("%s: ufs ioctl failed: %d, %s\n", __func__, rc, strerror(errno));
goto err_op;
@@ -450,7 +458,9 @@
sg_io_hdr_t io_hdr;
set_sg_io_hdr(&io_hdr, SG_DXFER_FROM_DEV, sizeof(in_cdb), sizeof(sense_buffer),
req->read_size, read_buf, (unsigned char*)&in_cdb, sense_buffer);
+ watch_progress(watcher, "rpmb ufs read");
rc = ioctl(sg_fd, SG_IO, &io_hdr);
+ watch_progress(watcher, "rpmb ufs read done");
if (rc < 0) {
ALOGE("%s: ufs ioctl failed: %d, %s\n", __func__, rc, strerror(errno));
}
@@ -487,7 +497,7 @@
return rc;
}
-int rpmb_send(struct storage_msg* msg, const void* r, size_t req_len) {
+int rpmb_send(struct storage_msg* msg, const void* r, size_t req_len, struct watcher* watcher) {
int rc;
const struct storage_rpmb_send_req* req = r;
@@ -523,13 +533,13 @@
}
if (dev_type == MMC_RPMB) {
- rc = send_mmc_rpmb_req(rpmb_fd, req);
+ rc = send_mmc_rpmb_req(rpmb_fd, req, watcher);
if (rc < 0) {
msg->result = STORAGE_ERR_GENERIC;
goto err_response;
}
} else if (dev_type == UFS_RPMB) {
- rc = send_ufs_rpmb_req(rpmb_fd, req);
+ rc = send_ufs_rpmb_req(rpmb_fd, req, watcher);
if (rc < 0) {
ALOGE("send_ufs_rpmb_req failed: %d, %s\n", rc, strerror(errno));
msg->result = STORAGE_ERR_GENERIC;
diff --git a/trusty/storage/proxy/rpmb.h b/trusty/storage/proxy/rpmb.h
index f4e1b51..04bdf9a 100644
--- a/trusty/storage/proxy/rpmb.h
+++ b/trusty/storage/proxy/rpmb.h
@@ -18,8 +18,10 @@
#include <stdint.h>
#include <trusty/interface/storage.h>
+#include "watchdog.h"
+
enum dev_type { UNKNOWN_RPMB, MMC_RPMB, VIRT_RPMB, UFS_RPMB, SOCK_RPMB };
int rpmb_open(const char* rpmb_devname, enum dev_type dev_type);
-int rpmb_send(struct storage_msg* msg, const void* r, size_t req_len);
+int rpmb_send(struct storage_msg* msg, const void* r, size_t req_len, struct watcher* watcher);
void rpmb_close(void);
diff --git a/trusty/storage/proxy/storage.c b/trusty/storage/proxy/storage.c
index c531cfd..2299481 100644
--- a/trusty/storage/proxy/storage.c
+++ b/trusty/storage/proxy/storage.c
@@ -13,10 +13,12 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+#include <cutils/properties.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <libgen.h>
+#include <linux/fs.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
@@ -29,12 +31,16 @@
#include "ipc.h"
#include "log.h"
#include "storage.h"
+#include "watchdog.h"
#define FD_TBL_SIZE 64
#define MAX_READ_SIZE 4096
#define ALTERNATE_DATA_DIR "alternate/"
+/* Maximum file size for filesystem backed storage (i.e. not block dev backed storage) */
+#define MAX_FILE_SIZE (0x10000000000)
+
enum sync_state {
SS_UNUSED = -1,
SS_CLEAN = 0,
@@ -43,6 +49,22 @@
static const char *ssdir_name;
+/*
+ * Property set to 1 after we have opened a file under ssdir_name. The backing
+ * files for both TD and TDP are currently located under /data/vendor/ss and can
+ * only be opened once userdata is mounted. This storageproxyd service is
+ * restarted when userdata is available, which causes the Trusty storage service
+ * to reconnect and attempt to open the backing files for TD and TDP. Once we
+ * set this property, other users can expect that the Trusty storage service
+ * ports will be available (although they may block if still being initialized),
+ * and connections will not be reset after this point (assuming the
+ * storageproxyd service stays running).
+ */
+#define FS_READY_PROPERTY "ro.vendor.trusty.storage.fs_ready"
+
+/* has FS_READY_PROPERTY been set? */
+static bool fs_ready_initialized = false;
+
static enum sync_state fs_state;
static enum sync_state fd_state[FD_TBL_SIZE];
@@ -159,9 +181,8 @@
return rcnt;
}
-int storage_file_delete(struct storage_msg *msg,
- const void *r, size_t req_len)
-{
+int storage_file_delete(struct storage_msg* msg, const void* r, size_t req_len,
+ struct watcher* watcher) {
char *path = NULL;
const struct storage_file_delete_req *req = r;
@@ -187,6 +208,7 @@
goto err_response;
}
+ watch_progress(watcher, "unlinking file");
rc = unlink(path);
if (rc < 0) {
rc = errno;
@@ -210,8 +232,9 @@
return ipc_respond(msg, NULL, 0);
}
-static void sync_parent(const char* path) {
+static void sync_parent(const char* path, struct watcher* watcher) {
int parent_fd;
+ watch_progress(watcher, "syncing parent");
char* parent_path = dirname(path);
parent_fd = TEMP_FAILURE_RETRY(open(parent_path, O_RDONLY));
if (parent_fd >= 0) {
@@ -221,9 +244,11 @@
ALOGE("%s: failed to open parent directory \"%s\" for sync: %s\n", __func__, parent_path,
strerror(errno));
}
+ watch_progress(watcher, "done syncing parent");
}
-int storage_file_open(struct storage_msg* msg, const void* r, size_t req_len) {
+int storage_file_open(struct storage_msg* msg, const void* r, size_t req_len,
+ struct watcher* watcher) {
char* path = NULL;
const struct storage_file_open_req *req = r;
struct storage_file_open_resp resp = {0};
@@ -285,7 +310,7 @@
char* parent_path = dirname(path);
rc = mkdir(parent_path, S_IRWXU);
if (rc == 0) {
- sync_parent(parent_path);
+ sync_parent(parent_path, watcher);
} else if (errno != EEXIST) {
ALOGE("%s: Could not create parent directory \"%s\": %s\n", __func__, parent_path,
strerror(errno));
@@ -326,7 +351,7 @@
}
if (open_flags & O_CREAT) {
- sync_parent(path);
+ sync_parent(path, watcher);
}
free(path);
@@ -336,6 +361,16 @@
ALOGV("%s: \"%s\": fd = %u: handle = %d\n",
__func__, path, rc, resp.handle);
+ /* a backing file has been opened, notify any waiting init steps */
+ if (!fs_ready_initialized) {
+ rc = property_set(FS_READY_PROPERTY, "1");
+ if (rc == 0) {
+ fs_ready_initialized = true;
+ } else {
+ ALOGE("Could not set property %s, rc: %d\n", FS_READY_PROPERTY, rc);
+ }
+ }
+
return ipc_respond(msg, &resp, sizeof(resp));
err_response:
@@ -344,9 +379,8 @@
return ipc_respond(msg, NULL, 0);
}
-int storage_file_close(struct storage_msg *msg,
- const void *r, size_t req_len)
-{
+int storage_file_close(struct storage_msg* msg, const void* r, size_t req_len,
+ struct watcher* watcher) {
const struct storage_file_close_req *req = r;
if (req_len != sizeof(*req)) {
@@ -359,7 +393,9 @@
int fd = remove_fd(req->handle);
ALOGV("%s: handle = %u: fd = %u\n", __func__, req->handle, fd);
+ watch_progress(watcher, "fsyncing before file close");
int rc = fsync(fd);
+ watch_progress(watcher, "done fsyncing before file close");
if (rc < 0) {
rc = errno;
ALOGE("%s: fsync failed for fd=%u: %s\n",
@@ -383,10 +419,8 @@
return ipc_respond(msg, NULL, 0);
}
-
-int storage_file_write(struct storage_msg *msg,
- const void *r, size_t req_len)
-{
+int storage_file_write(struct storage_msg* msg, const void* r, size_t req_len,
+ struct watcher* watcher) {
int rc;
const struct storage_file_write_req *req = r;
@@ -398,17 +432,20 @@
}
int fd = lookup_fd(req->handle, true);
+ watch_progress(watcher, "writing");
if (write_with_retry(fd, &req->data[0], req_len - sizeof(*req),
req->offset) < 0) {
+ watch_progress(watcher, "writing done w/ error");
rc = errno;
ALOGW("%s: error writing file (fd=%d): %s\n",
__func__, fd, strerror(errno));
msg->result = translate_errno(rc);
goto err_response;
}
+ watch_progress(watcher, "writing done");
if (msg->flags & STORAGE_MSG_FLAG_POST_COMMIT) {
- rc = storage_sync_checkpoint();
+ rc = storage_sync_checkpoint(watcher);
if (rc < 0) {
msg->result = STORAGE_ERR_SYNC_FAILURE;
goto err_response;
@@ -421,10 +458,8 @@
return ipc_respond(msg, NULL, 0);
}
-
-int storage_file_read(struct storage_msg *msg,
- const void *r, size_t req_len)
-{
+int storage_file_read(struct storage_msg* msg, const void* r, size_t req_len,
+ struct watcher* watcher) {
int rc;
const struct storage_file_read_req *req = r;
@@ -443,8 +478,10 @@
}
int fd = lookup_fd(req->handle, false);
+ watch_progress(watcher, "reading");
ssize_t read_res = read_with_retry(fd, read_rsp.hdr.data, req->size,
(off_t)req->offset);
+ watch_progress(watcher, "reading done");
if (read_res < 0) {
rc = errno;
ALOGW("%s: error reading file (fd=%d): %s\n",
@@ -460,10 +497,8 @@
return ipc_respond(msg, NULL, 0);
}
-
-int storage_file_get_size(struct storage_msg *msg,
- const void *r, size_t req_len)
-{
+int storage_file_get_size(struct storage_msg* msg, const void* r, size_t req_len,
+ struct watcher* watcher) {
const struct storage_file_get_size_req *req = r;
struct storage_file_get_size_resp resp = {0};
@@ -476,7 +511,9 @@
struct stat stat;
int fd = lookup_fd(req->handle, false);
+ watch_progress(watcher, "fstat");
int rc = fstat(fd, &stat);
+ watch_progress(watcher, "fstat done");
if (rc < 0) {
rc = errno;
ALOGE("%s: error stat'ing file (fd=%d): %s\n",
@@ -493,10 +530,8 @@
return ipc_respond(msg, NULL, 0);
}
-
-int storage_file_set_size(struct storage_msg *msg,
- const void *r, size_t req_len)
-{
+int storage_file_set_size(struct storage_msg* msg, const void* r, size_t req_len,
+ struct watcher* watcher) {
const struct storage_file_set_size_req *req = r;
if (req_len != sizeof(*req)) {
@@ -507,7 +542,9 @@
}
int fd = lookup_fd(req->handle, true);
+ watch_progress(watcher, "ftruncate");
int rc = TEMP_FAILURE_RETRY(ftruncate(fd, req->size));
+ watch_progress(watcher, "ftruncate done");
if (rc < 0) {
rc = errno;
ALOGE("%s: error truncating file (fd=%d): %s\n",
@@ -522,6 +559,48 @@
return ipc_respond(msg, NULL, 0);
}
+int storage_file_get_max_size(struct storage_msg* msg, const void* r, size_t req_len,
+ struct watcher* watcher) {
+ const struct storage_file_get_max_size_req* req = r;
+ struct storage_file_get_max_size_resp resp = {0};
+ uint64_t max_size = 0;
+
+ if (req_len != sizeof(*req)) {
+ ALOGE("%s: invalid request length (%zd != %zd)\n", __func__, req_len, sizeof(*req));
+ msg->result = STORAGE_ERR_NOT_VALID;
+ goto err_response;
+ }
+
+ struct stat stat;
+ int fd = lookup_fd(req->handle, false);
+ watch_progress(watcher, "fstat to get max size");
+ int rc = fstat(fd, &stat);
+ watch_progress(watcher, "fstat to get max size done");
+ if (rc < 0) {
+ ALOGE("%s: error stat'ing file (fd=%d): %s\n", __func__, fd, strerror(errno));
+ goto err_response;
+ }
+
+ if ((stat.st_mode & S_IFMT) == S_IFBLK) {
+ rc = ioctl(fd, BLKGETSIZE64, &max_size);
+ if (rc < 0) {
+ rc = errno;
+ ALOGE("%s: error calling ioctl on file (fd=%d): %s\n", __func__, fd, strerror(errno));
+ msg->result = translate_errno(rc);
+ goto err_response;
+ }
+ } else {
+ max_size = MAX_FILE_SIZE;
+ }
+
+ resp.max_size = max_size;
+ msg->result = STORAGE_NO_ERROR;
+ return ipc_respond(msg, &resp, sizeof(resp));
+
+err_response:
+ return ipc_respond(msg, NULL, 0);
+}
+
int storage_init(const char *dirname)
{
/* If there is an active DSU image, use the alternate fs mode. */
@@ -536,10 +615,10 @@
return 0;
}
-int storage_sync_checkpoint(void)
-{
+int storage_sync_checkpoint(struct watcher* watcher) {
int rc;
+ watch_progress(watcher, "sync fd table");
/* sync fd table and reset it to clean state first */
for (uint fd = 0; fd < FD_TBL_SIZE; fd++) {
if (fd_state[fd] == SS_DIRTY) {
@@ -564,10 +643,12 @@
* because our fd table is large enough to handle the few open files we
* use.
*/
- sync();
- fs_state = SS_CLEAN;
+ watch_progress(watcher, "all fs sync");
+ sync();
+ fs_state = SS_CLEAN;
}
+ watch_progress(watcher, "done syncing");
+
return 0;
}
-
diff --git a/trusty/storage/proxy/storage.h b/trusty/storage/proxy/storage.h
index 5a670d4..f29fdf2 100644
--- a/trusty/storage/proxy/storage.h
+++ b/trusty/storage/proxy/storage.h
@@ -18,28 +18,33 @@
#include <stdint.h>
#include <trusty/interface/storage.h>
-int storage_file_delete(struct storage_msg *msg,
- const void *req, size_t req_len);
+/* Defined in watchdog.h */
+struct watcher;
-int storage_file_open(struct storage_msg *msg,
- const void *req, size_t req_len);
+int storage_file_delete(struct storage_msg* msg, const void* req, size_t req_len,
+ struct watcher* watcher);
-int storage_file_close(struct storage_msg *msg,
- const void *req, size_t req_len);
+int storage_file_open(struct storage_msg* msg, const void* req, size_t req_len,
+ struct watcher* watcher);
-int storage_file_write(struct storage_msg *msg,
- const void *req, size_t req_len);
+int storage_file_close(struct storage_msg* msg, const void* req, size_t req_len,
+ struct watcher* watcher);
-int storage_file_read(struct storage_msg *msg,
- const void *req, size_t req_len);
+int storage_file_write(struct storage_msg* msg, const void* req, size_t req_len,
+ struct watcher* watcher);
-int storage_file_get_size(struct storage_msg *msg,
- const void *req, size_t req_len);
+int storage_file_read(struct storage_msg* msg, const void* req, size_t req_len,
+ struct watcher* watcher);
-int storage_file_set_size(struct storage_msg *msg,
- const void *req, size_t req_len);
+int storage_file_get_size(struct storage_msg* msg, const void* req, size_t req_len,
+ struct watcher* watcher);
-int storage_init(const char *dirname);
+int storage_file_set_size(struct storage_msg* msg, const void* req, size_t req_len,
+ struct watcher* watcher);
-int storage_sync_checkpoint(void);
+int storage_file_get_max_size(struct storage_msg* msg, const void* req, size_t req_len,
+ struct watcher* watcher);
+int storage_init(const char* dirname);
+
+int storage_sync_checkpoint(struct watcher* watcher);
diff --git a/trusty/storage/proxy/watchdog.cpp b/trusty/storage/proxy/watchdog.cpp
new file mode 100644
index 0000000..6c09e26
--- /dev/null
+++ b/trusty/storage/proxy/watchdog.cpp
@@ -0,0 +1,208 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "watchdog.h"
+
+#include <chrono>
+#include <cstdint>
+#include <optional>
+#include <thread>
+#include <vector>
+
+#include <android-base/logging.h>
+
+struct watcher {
+ watcher(const char* id, const struct storage_msg* request);
+ void SetState(const char* new_state);
+ void LogTimeout();
+ void LogFinished();
+
+ const char* id_;
+ uint32_t cmd_;
+ uint32_t op_id_;
+ uint32_t flags_;
+ const char* state_;
+
+ using clock = std::chrono::high_resolution_clock;
+ clock::time_point start_;
+ clock::time_point state_change_;
+ std::chrono::milliseconds Elapsed(clock::time_point end);
+
+ bool triggered_;
+};
+
+watcher::watcher(const char* id, const struct storage_msg* request)
+ : id_(id), state_(nullptr), triggered_(false) {
+ cmd_ = request->cmd;
+ op_id_ = request->op_id;
+ flags_ = request->flags;
+
+ start_ = clock::now();
+ state_change_ = start_;
+}
+
+void watcher::SetState(const char* new_state) {
+ state_ = new_state;
+ state_change_ = clock::now();
+}
+
+void watcher::LogTimeout() {
+ if (!triggered_) {
+ triggered_ = true;
+ LOG(ERROR) << "Storageproxyd watchdog triggered: " << id_ << " cmd: " << cmd_
+ << " op_id: " << op_id_ << " flags: " << flags_;
+ }
+ if (state_) {
+ LOG(ERROR) << "...elapsed: " << Elapsed(clock::now()).count() << "ms (" << state_ << " "
+ << Elapsed(state_change_).count() << "ms)";
+ } else {
+ LOG(ERROR) << "...elapsed: " << Elapsed(clock::now()).count() << "ms";
+ }
+}
+
+void watcher::LogFinished() {
+ if (triggered_) {
+ LOG(ERROR) << "...completed: " << Elapsed(clock::now()).count() << "ms";
+ }
+}
+
+std::chrono::milliseconds watcher::Elapsed(watcher::clock::time_point end) {
+ return std::chrono::duration_cast<std::chrono::milliseconds>(end - start_);
+}
+
+namespace {
+
+class Watchdog {
+ private:
+ static constexpr std::chrono::milliseconds kDefaultTimeoutMs = std::chrono::milliseconds(500);
+ static constexpr std::chrono::milliseconds kMaxTimeoutMs = std::chrono::seconds(10);
+
+ public:
+ Watchdog() : watcher_(), done_(false) {}
+ ~Watchdog();
+ struct watcher* RegisterWatch(const char* id, const struct storage_msg* request);
+ void AddProgress(struct watcher* watcher, const char* state);
+ void UnRegisterWatch(struct watcher* watcher);
+
+ private:
+ // Syncronizes access to watcher_ and watcher_change_ between the main
+ // thread and watchdog loop thread. watcher_ may only be modified by the
+ // main thread; the watchdog loop is read-only.
+ std::mutex watcher_mutex_;
+ std::unique_ptr<struct watcher> watcher_;
+ std::condition_variable watcher_change_;
+
+ std::thread watchdog_thread_;
+ bool done_;
+
+ void WatchdogLoop();
+ void LogWatchdogTriggerLocked();
+};
+
+Watchdog gWatchdog;
+
+} // Anonymous namespace
+
+// Assumes that caller is single-threaded. If we want to use this from a
+// multi-threaded context we need to ensure that the watchdog thread is
+// initialized safely once and accessing an existing watcher is done while the
+// watcher lock is held.
+struct watcher* Watchdog::RegisterWatch(const char* id, const struct storage_msg* request) {
+ if (!watchdog_thread_.joinable()) {
+ watchdog_thread_ = std::thread(&Watchdog::WatchdogLoop, this);
+ }
+ if (watcher_) {
+ LOG(ERROR) << "Replacing registered watcher " << watcher_->id_;
+ UnRegisterWatch(watcher_.get());
+ }
+
+ struct watcher* ret = nullptr;
+ {
+ std::unique_lock<std::mutex> watcherLock(watcher_mutex_);
+ watcher_ = std::make_unique<struct watcher>(id, request);
+ ret = watcher_.get();
+ }
+ watcher_change_.notify_one();
+ return ret;
+}
+
+void Watchdog::UnRegisterWatch(struct watcher* watcher) {
+ {
+ std::lock_guard<std::mutex> watcherLock(watcher_mutex_);
+ if (!watcher_) {
+ LOG(ERROR) << "Cannot unregister watcher, no watcher registered";
+ return;
+ }
+ if (watcher_.get() != watcher) {
+ LOG(ERROR) << "Unregistering watcher that doesn't match current watcher";
+ }
+ watcher_->LogFinished();
+ watcher_.reset(nullptr);
+ }
+ watcher_change_.notify_one();
+}
+
+void Watchdog::AddProgress(struct watcher* watcher, const char* state) {
+ std::lock_guard<std::mutex> watcherLock(watcher_mutex_);
+ if (watcher_.get() != watcher) {
+ LOG(ERROR) << "Watcher was not registered, cannot log progress: " << state;
+ return;
+ }
+ watcher->SetState(state);
+}
+
+void Watchdog::WatchdogLoop() {
+ std::unique_lock<std::mutex> lock(watcher_mutex_);
+ std::chrono::milliseconds timeout = kDefaultTimeoutMs;
+
+ while (!done_) {
+ // wait for a watch to be registered
+ watcher_change_.wait(lock, [this] { return !!watcher_; });
+
+ // wait for the timeout or unregistration
+ timeout = kDefaultTimeoutMs;
+ do {
+ if (!watcher_change_.wait_for(lock, timeout, [this] { return !watcher_; })) {
+ watcher_->LogTimeout();
+ timeout = std::min(timeout * 2, kMaxTimeoutMs);
+ }
+ } while (!!watcher_);
+ }
+}
+
+Watchdog::~Watchdog() {
+ {
+ std::lock_guard<std::mutex> watcherLock(watcher_mutex_);
+ watcher_.reset(nullptr);
+ done_ = true;
+ }
+ watcher_change_.notify_one();
+ if (watchdog_thread_.joinable()) {
+ watchdog_thread_.join();
+ }
+}
+
+struct watcher* watch_start(const char* id, const struct storage_msg* request) {
+ return gWatchdog.RegisterWatch(id, request);
+}
+
+void watch_progress(struct watcher* watcher, const char* state) {
+ gWatchdog.AddProgress(watcher, state);
+}
+
+void watch_finish(struct watcher* watcher) {
+ gWatchdog.UnRegisterWatch(watcher);
+}
diff --git a/trusty/storage/proxy/watchdog.h b/trusty/storage/proxy/watchdog.h
new file mode 100644
index 0000000..9162fcb
--- /dev/null
+++ b/trusty/storage/proxy/watchdog.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "storage.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct watcher;
+
+/**
+ * watch_start() - Create a watcher for a storage request
+ * @id: Identifier string to distinguish watchers
+ * @request: Incoming request from Trusty storage service
+ *
+ * Create a watcher that will start logging if not finished before a timeout.
+ * Only one watcher may be active at a time, and this function may only be
+ * called from a single thread.
+ */
+struct watcher* watch_start(const char* id, const struct storage_msg* request);
+
+/**
+ * watch_progress() - Note progress on servicing the current request
+ * @watcher: Current watcher, created by watch()
+ *
+ * Sets the current progress state of the watcher, to allow for more granular
+ * reporting of what exactly is stuck if the timeout is reached.
+ */
+void watch_progress(struct watcher* watcher, const char* state);
+
+/**
+ * watch_finish() - Finish watching and unregister the watch
+ * @watcher: Current watcher, created by watch(). Takes ownership of this pointer.
+ *
+ * Finish the current watch task. This function takes ownership of the watcher
+ * and destroys it, so @watcher must not be used again after calling this
+ * function.
+ */
+void watch_finish(struct watcher* watcher);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/trusty/test/binder/aidl/ByteEnum.aidl b/trusty/test/binder/aidl/com/android/trusty/binder/test/ByteEnum.aidl
similarity index 94%
rename from trusty/test/binder/aidl/ByteEnum.aidl
rename to trusty/test/binder/aidl/com/android/trusty/binder/test/ByteEnum.aidl
index d3a13ac..9c712c0 100644
--- a/trusty/test/binder/aidl/ByteEnum.aidl
+++ b/trusty/test/binder/aidl/com/android/trusty/binder/test/ByteEnum.aidl
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+package com.android.trusty.binder.test;
+
/*
* Hello, world!
*/
diff --git a/trusty/test/binder/aidl/ITestService.aidl b/trusty/test/binder/aidl/com/android/trusty/binder/test/ITestService.aidl
similarity index 93%
rename from trusty/test/binder/aidl/ITestService.aidl
rename to trusty/test/binder/aidl/com/android/trusty/binder/test/ITestService.aidl
index c6a99c8..cfbb246 100644
--- a/trusty/test/binder/aidl/ITestService.aidl
+++ b/trusty/test/binder/aidl/com/android/trusty/binder/test/ITestService.aidl
@@ -14,10 +14,11 @@
* limitations under the License.
*/
+package com.android.trusty.binder.test;
-import ByteEnum;
-import IntEnum;
-import LongEnum;
+import com.android.trusty.binder.test.ByteEnum;
+import com.android.trusty.binder.test.IntEnum;
+import com.android.trusty.binder.test.LongEnum;
interface ITestService {
const @utf8InCpp String PORT = "com.android.trusty.binder.test.service";
diff --git a/trusty/test/binder/aidl/IntEnum.aidl b/trusty/test/binder/aidl/com/android/trusty/binder/test/IntEnum.aidl
similarity index 94%
rename from trusty/test/binder/aidl/IntEnum.aidl
rename to trusty/test/binder/aidl/com/android/trusty/binder/test/IntEnum.aidl
index 120e44f..4055b25 100644
--- a/trusty/test/binder/aidl/IntEnum.aidl
+++ b/trusty/test/binder/aidl/com/android/trusty/binder/test/IntEnum.aidl
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+package com.android.trusty.binder.test;
+
@JavaDerive(toString=true)
@Backing(type="int")
enum IntEnum {
diff --git a/trusty/test/binder/aidl/LongEnum.aidl b/trusty/test/binder/aidl/com/android/trusty/binder/test/LongEnum.aidl
similarity index 94%
rename from trusty/test/binder/aidl/LongEnum.aidl
rename to trusty/test/binder/aidl/com/android/trusty/binder/test/LongEnum.aidl
index 0e9e933..20c64af 100644
--- a/trusty/test/binder/aidl/LongEnum.aidl
+++ b/trusty/test/binder/aidl/com/android/trusty/binder/test/LongEnum.aidl
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+package com.android.trusty.binder.test;
+
@Backing(type="long")
enum LongEnum {
FOO = 100000000000,
diff --git a/trusty/test/binder/aidl/rules.mk b/trusty/test/binder/aidl/rules.mk
index 6154abb..546a370 100644
--- a/trusty/test/binder/aidl/rules.mk
+++ b/trusty/test/binder/aidl/rules.mk
@@ -17,10 +17,12 @@
MODULE := $(LOCAL_DIR)
+MODULE_AIDL_PACKAGE := com/android/trusty/binder/test
+
MODULE_AIDLS := \
- $(LOCAL_DIR)/ByteEnum.aidl \
- $(LOCAL_DIR)/IntEnum.aidl \
- $(LOCAL_DIR)/ITestService.aidl \
- $(LOCAL_DIR)/LongEnum.aidl \
+ $(LOCAL_DIR)/$(MODULE_AIDL_PACKAGE)/ByteEnum.aidl \
+ $(LOCAL_DIR)/$(MODULE_AIDL_PACKAGE)/IntEnum.aidl \
+ $(LOCAL_DIR)/$(MODULE_AIDL_PACKAGE)/ITestService.aidl \
+ $(LOCAL_DIR)/$(MODULE_AIDL_PACKAGE)/LongEnum.aidl \
include make/aidl.mk
diff --git a/trusty/trusty-base.mk b/trusty/trusty-base.mk
index 0609709..5a3a320 100644
--- a/trusty/trusty-base.mk
+++ b/trusty/trusty-base.mk
@@ -22,9 +22,22 @@
# For gatekeeper, we include the generic -service and -impl to use legacy
# HAL loading of gatekeeper.trusty.
+# Allow the KeyMint HAL service implementation to be selected at build time. This needs to be
+# done in sync with the TA implementation included in Trusty. Possible values are:
+#
+# - Rust implementation: export TRUSTY_KEYMINT_IMPL=rust
+# - C++ implementation: (any other value of TRUSTY_KEYMINT_IMPL)
+
+ifeq ($(TRUSTY_KEYMINT_IMPL),rust)
+ LOCAL_KEYMINT_PRODUCT_PACKAGE := android.hardware.security.keymint-service.rust.trusty
+else
+ # Default to the C++ implementation
+ LOCAL_KEYMINT_PRODUCT_PACKAGE := android.hardware.security.keymint-service.trusty
+endif
+
PRODUCT_PACKAGES += \
- android.hardware.security.keymint-service.trusty \
- android.hardware.gatekeeper@1.0-service.trusty \
+ $(LOCAL_KEYMINT_PRODUCT_PACKAGE) \
+ android.hardware.gatekeeper-service.trusty \
trusty_apploader \
RemoteProvisioner
diff --git a/usbd/Android.bp b/usbd/Android.bp
index 27db0fa..e67759c 100644
--- a/usbd/Android.bp
+++ b/usbd/Android.bp
@@ -8,10 +8,12 @@
srcs: ["usbd.cpp"],
shared_libs: [
"libbase",
+ "libbinder_ndk",
"libhidlbase",
"liblog",
"libutils",
"libhardware",
"android.hardware.usb.gadget@1.0",
+ "android.hardware.usb.gadget-V1-ndk",
],
}
diff --git a/usbd/usbd.cpp b/usbd/usbd.cpp
index 6e24d8e..0616cfb 100644
--- a/usbd/usbd.cpp
+++ b/usbd/usbd.cpp
@@ -18,43 +18,78 @@
#include <string>
+#include <aidl/android/hardware/usb/gadget/GadgetFunction.h>
+#include <aidl/android/hardware/usb/gadget/IUsbGadget.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
#include <android/hardware/usb/gadget/1.0/IUsbGadget.h>
-#include <hidl/HidlTransportSupport.h>
-
+using aidl::android::hardware::usb::gadget::GadgetFunction;
using android::base::GetProperty;
using android::base::SetProperty;
-using android::hardware::configureRpcThreadpool;
-using android::hardware::usb::gadget::V1_0::GadgetFunction;
-using android::hardware::usb::gadget::V1_0::IUsbGadget;
using android::hardware::Return;
+using ndk::ScopedAStatus;
+using std::shared_ptr;
+
+std::atomic<int> sUsbOperationCount{};
int main(int /*argc*/, char** /*argv*/) {
if (GetProperty("ro.bootmode", "") == "charger") exit(0);
+ int operationId = sUsbOperationCount++;
- configureRpcThreadpool(1, true /*callerWillJoin*/);
- android::sp<IUsbGadget> gadget = IUsbGadget::getService();
- Return<void> ret;
+ ABinderProcess_setThreadPoolMaxThreadCount(1);
+ ABinderProcess_startThreadPool();
+ const std::string service_name =
+ std::string(aidl::android::hardware::usb::gadget::IUsbGadget::descriptor)
+ .append("/default");
- if (gadget != nullptr) {
- LOG(INFO) << "Usb HAL found.";
- std::string function = GetProperty("persist.sys.usb.config", "");
- if (function == "adb") {
- LOG(INFO) << "peristent prop is adb";
- SetProperty("ctl.start", "adbd");
- ret = gadget->setCurrentUsbFunctions(static_cast<uint64_t>(GadgetFunction::ADB),
- nullptr, 0);
+ std::string function = GetProperty("persist.sys.usb.config", "");
+ if (function == "adb") {
+ LOG(INFO) << "persistent prop is adb";
+ SetProperty("ctl.start", "adbd");
+ }
+
+ if (AServiceManager_isDeclared(service_name.c_str())) {
+ shared_ptr<aidl::android::hardware::usb::gadget::IUsbGadget> gadget_aidl =
+ aidl::android::hardware::usb::gadget::IUsbGadget::fromBinder(
+ ndk::SpAIBinder(AServiceManager_waitForService(service_name.c_str())));
+ ScopedAStatus ret;
+ if (gadget_aidl != nullptr) {
+ LOG(INFO) << "Usb AIDL HAL found.";
+ if (function == "adb") {
+ ret = gadget_aidl->setCurrentUsbFunctions(
+ static_cast<uint64_t>(GadgetFunction::ADB), nullptr, 0, operationId);
+ } else {
+ LOG(INFO) << "Signal MTP to enable default functions";
+ ret = gadget_aidl->setCurrentUsbFunctions(
+ static_cast<uint64_t>(GadgetFunction::MTP), nullptr, 0, operationId);
+ }
+
+ if (!ret.isOk()) LOG(ERROR) << "Error while invoking usb hal";
} else {
- LOG(INFO) << "Signal MTP to enable default functions";
- ret = gadget->setCurrentUsbFunctions(static_cast<uint64_t>(GadgetFunction::MTP),
- nullptr, 0);
+ LOG(INFO) << "Usb AIDL HAL not found";
}
-
- if (!ret.isOk()) LOG(ERROR) << "Error while invoking usb hal";
} else {
- LOG(INFO) << "Usb HAL not found";
+ android::sp<android::hardware::usb::gadget::V1_0::IUsbGadget> gadget =
+ android::hardware::usb::gadget::V1_0::IUsbGadget::getService();
+ Return<void> ret;
+ if (gadget != nullptr) {
+ LOG(INFO) << "Usb HAL found.";
+ if (function == "adb") {
+ ret = gadget->setCurrentUsbFunctions(static_cast<uint64_t>(GadgetFunction::ADB),
+ nullptr, 0);
+ } else {
+ LOG(INFO) << "Signal MTP to enable default functions";
+ ret = gadget->setCurrentUsbFunctions(static_cast<uint64_t>(GadgetFunction::MTP),
+ nullptr, 0);
+ }
+
+ if (!ret.isOk()) LOG(ERROR) << "Error while invoking usb hal";
+ } else {
+ LOG(INFO) << "Usb HAL not found";
+ }
}
exit(0);
}