Merge "Revert "Add ::1 to localhost in etc/hosts""
diff --git a/debuggerd/crasher/Android.bp b/debuggerd/crasher/Android.bp
index effd480..3af806b 100644
--- a/debuggerd/crasher/Android.bp
+++ b/debuggerd/crasher/Android.bp
@@ -19,10 +19,6 @@
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..9c1b136 100644
--- a/debuggerd/debuggerd_test.cpp
+++ b/debuggerd/debuggerd_test.cpp
@@ -445,6 +445,8 @@
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
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/fastboot/Android.bp b/fastboot/Android.bp
index eed49fa..765174b 100644
--- a/fastboot/Android.bp
+++ b/fastboot/Android.bp
@@ -168,6 +168,7 @@
"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",
"libasyncio",
@@ -192,6 +193,7 @@
"libc++fs",
"libhealthhalutils",
"libhealthshim",
+ "libfastbootshim",
"libsnapshot_cow",
"liblz4",
"libsnapshot_nobinder",
diff --git a/fastboot/device/commands.cpp b/fastboot/device/commands.cpp
index 3799d1f..f8befd3 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;
@@ -203,20 +201,21 @@
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 +265,16 @@
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..5afeb4f 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 +65,27 @@
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;
+ ndk::SpAIBinder binder(AServiceManager_getService(service_name.c_str()));
+ std::shared_ptr<IFastboot> fastboot = IFastboot::fromBinder(binder);
+ if (fastboot != nullptr) {
+ LOG(INFO) << "Using AIDL fastboot service";
+ return fastboot;
+ }
+ 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 +109,7 @@
}),
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..5f99656 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:
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/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index 27137a2..1c1ab48 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -2191,36 +2191,22 @@
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_overlayfs.cpp b/fs_mgr/fs_mgr_overlayfs.cpp
index 6290057..bb24abf 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 +113,15 @@
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};
}
@@ -462,6 +476,28 @@
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 +520,9 @@
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();
@@ -1103,6 +1124,8 @@
}
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;
@@ -1136,6 +1159,7 @@
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)) {
diff --git a/fs_mgr/fs_mgr_remount.cpp b/fs_mgr/fs_mgr_remount.cpp
index 2edaaad..eac3ff2 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() {
@@ -111,8 +139,6 @@
}
}
-} // namespace
-
enum RemountStatus {
REMOUNT_SUCCESS = 0,
UNKNOWN_PARTITION = 5,
@@ -412,6 +438,68 @@
return REMOUNT_FAILED;
}
+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", "");
+ bool verity_enabled = false;
+
+ 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};
+}
+
+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;
+}
+
static int do_remount(Fstab& fstab, const std::vector<std::string>& partition_args,
RemountCheckResult* check_result) {
Fstab partitions;
@@ -457,6 +545,8 @@
return retval;
}
+} // 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.
@@ -465,7 +555,70 @@
return 0;
}
- android::base::InitLogging(argv, MyLogger);
+ android::base::InitLogging(argv, MyLogger(false /* verbose */));
+
+ const char* fstab_file = nullptr;
+ bool auto_reboot = false;
+ bool verbose = false;
+ std::vector<std::string> partition_args;
+
+ struct option longopts[] = {
+ {"fstab", required_argument, nullptr, 'T'},
+ {"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, "hRT:v", longopts, nullptr)) != -1;) {
+ switch (opt) {
+ case 'h':
+ usage();
+ return 0;
+ case 'R':
+ auto_reboot = true;
+ break;
+ case 'T':
+ if (fstab_file) {
+ LOG(ERROR) << "Cannot supply two fstabs: -T " << fstab_file << " -T " << optarg;
+ usage();
+ return 1;
+ }
+ fstab_file = optarg;
+ break;
+ case 'v':
+ verbose = true;
+ break;
+ default:
+ LOG(ERROR) << "Bad argument -" << char(opt);
+ usage();
+ return 1;
+ }
+ }
+
+ 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 1;
+ }
+ } else {
+ remount = true;
+ for (; optind < argc; ++optind) {
+ partition_args.emplace_back(argv[optind]);
+ }
+ }
// Make sure we are root.
if (::getuid() != 0) {
@@ -486,45 +639,34 @@
return 1;
}
- const char* fstab_file = nullptr;
- auto auto_reboot = false;
- std::vector<std::string> partition_args;
+ // Start a threadpool to service waitForService() callbacks as
+ // fs_mgr_overlayfs_* might call waitForService() to get the image service.
+ android::ProcessState::self()->startThreadPool();
- struct option longopts[] = {
- {"fstab", required_argument, nullptr, 'T'},
- {"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, "hRT:v", longopts, nullptr)) != -1;) {
- switch (opt) {
- case 'h':
- usage();
- return 0;
- case 'R':
- auto_reboot = true;
- break;
- case 'T':
- if (fstab_file) {
- LOG(ERROR) << "Cannot supply two fstabs: -T " << fstab_file << " -T" << optarg;
- usage();
- return 1;
- }
- fstab_file = optarg;
- break;
- case 'v':
- verbose = true;
- break;
- default:
- LOG(ERROR) << "Bad Argument -" << char(opt);
- usage();
- return 1;
+ if (!remount) {
+ // 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).
+ if (android::base::GetProperty("ro.boot.vbmeta.digest", "").empty()) {
+ LOG(ERROR) << "Expected AVB device, VB1.0 is no longer supported";
+ return 1;
}
- }
- for (; argc > optind; ++optind) {
- partition_args.emplace_back(argv[optind]);
+ 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 ? 0 : 1;
}
// Make sure checkpointing is disabled if necessary.
@@ -549,7 +691,11 @@
} else if (check_result.setup_overlayfs) {
LOG(INFO) << "Overlayfs enabled.";
}
-
+ if (result == REMOUNT_SUCCESS) {
+ LOG(INFO) << "remount succeeded";
+ } else {
+ 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
@@ -560,16 +706,11 @@
LOG(ERROR) << "Unable to automatically enable DSU";
return rv;
}
- reboot();
+ reboot("remount");
} else {
LOG(INFO) << "Now reboot your device for settings to take effect";
}
return REMOUNT_SUCCESS;
}
- if (result == REMOUNT_SUCCESS) {
- printf("remount succeeded\n");
- } else {
- printf("remount failed\n");
- }
return result;
}
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/libsnapshot/include/libsnapshot/cow_writer.h b/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
index b93fd32..a9682a1 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
@@ -16,6 +16,7 @@
#include <stdint.h>
+#include <cstdint>
#include <memory>
#include <optional>
#include <string>
@@ -150,6 +151,7 @@
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_;
@@ -165,6 +167,7 @@
bool is_dev_null_ = false;
bool merge_in_progress_ = false;
bool is_block_device_ = false;
+ uint64_t cow_image_size_ = INT64_MAX;
};
} // namespace snapshot
diff --git a/fs_mgr/libsnapshot/libsnapshot_cow/cow_compress.cpp b/fs_mgr/libsnapshot/libsnapshot_cow/cow_compress.cpp
index e58f45a..0eb231b 100644
--- a/fs_mgr/libsnapshot/libsnapshot_cow/cow_compress.cpp
+++ b/fs_mgr/libsnapshot/libsnapshot_cow/cow_compress.cpp
@@ -84,7 +84,13 @@
<< ", 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:
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 5f5d1fb..43c17a6 100644
--- a/fs_mgr/libsnapshot/libsnapshot_cow/cow_writer.cpp
+++ b/fs_mgr/libsnapshot/libsnapshot_cow/cow_writer.cpp
@@ -30,9 +30,29 @@
#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;
@@ -163,12 +183,25 @@
} 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;
}
@@ -343,7 +376,8 @@
op.data_length = static_cast<uint16_t>(data.size());
if (!WriteOperation(op, data.data(), data.size())) {
- PLOG(ERROR) << "AddRawBlocks: write failed";
+ PLOG(ERROR) << "AddRawBlocks: write failed, bytes requested: " << size
+ << ", bytes written: " << i * header_.block_size;
return false;
}
} else {
@@ -512,12 +546,26 @@
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.";
+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;
}
- if (!android::base::WriteFully(fd_, reinterpret_cast<const uint8_t*>(&op), sizeof(op))) {
+ return true;
+}
+
+bool CowWriter::WriteOperation(const CowOperation& op, const void* data, size_t size) {
+ if (!EnsureSpaceAvailable(next_op_pos_ + sizeof(op))) {
+ return false;
+ }
+ if (!EnsureSpaceAvailable(next_data_pos_ + size)) {
+ return false;
+ }
+
+ if (!android::base::WriteFullyAtOffset(fd_, reinterpret_cast<const uint8_t*>(&op), sizeof(op),
+ next_op_pos_)) {
return false;
}
if (data != nullptr && size > 0) {
@@ -542,13 +590,8 @@
next_op_pos_ += sizeof(CowOperation) + GetNextOpOffset(op, header_.cluster_ops);
}
-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/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/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/init/builtins.cpp b/init/builtins.cpp
index c8cb253..7cb8b11 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -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");
}
}
diff --git a/init/init.cpp b/init/init.cpp
index 4ca351c..540e2ca 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();
}
@@ -747,6 +747,9 @@
do {
ssize_t bytes_read = TEMP_FAILURE_RETRY(read(signal_fd, &siginfo, sizeof(siginfo)));
if (bytes_read < 0 && errno == EAGAIN) {
+ if (one_off) {
+ return;
+ }
auto now = std::chrono::steady_clock::now();
std::chrono::duration<double> waited = now - started;
if (waited >= kDiagnosticTimeout) {
@@ -772,7 +775,7 @@
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;
}
}
diff --git a/init/reboot.cpp b/init/reboot.cpp
index 4c27a56..1f4186d 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -567,6 +567,11 @@
}
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) {
diff --git a/init/security.cpp b/init/security.cpp
index 0e9f6c2..2ecf687 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.
diff --git a/init/service.cpp b/init/service.cpp
index 331cd88..85ac2fc 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>
@@ -506,8 +507,7 @@
}
// Enters namespaces, sets environment variables, writes PID files and runs the service executable.
-void Service::RunService(const std::vector<Descriptor>& descriptors,
- InterprocessFifo cgroups_activated) {
+void Service::RunService(const std::vector<Descriptor>& descriptors, InterprocessFifo fifo) {
if (auto result = EnterNamespaces(namespaces_, name_, mount_namespace_); !result.ok()) {
LOG(FATAL) << "Service '" << name_ << "' failed to set up namespaces: " << result.error();
}
@@ -529,11 +529,10 @@
// Wait until the cgroups have been created and until the cgroup controllers have been
// activated.
- Result<uint8_t> byte = cgroups_activated.Read();
+ Result<uint8_t> byte = fifo.Read();
if (!byte.ok()) {
LOG(ERROR) << name_ << ": failed to read from notification channel: " << byte.error();
}
- cgroups_activated.Close();
if (!*byte) {
LOG(FATAL) << "Service '" << name_ << "' failed to start due to a fatal error";
_exit(EXIT_FAILURE);
@@ -557,6 +556,12 @@
// priority. Aborts on failure.
SetProcessAttributesAndCaps();
+ // If SetProcessAttributes() called setsid(), report this to the parent.
+ if (RequiresConsole(proc_attr_)) {
+ fifo.Write(2);
+ }
+ fifo.Close();
+
if (!ExpandArgsAndExecv(args_, sigstop_)) {
PLOG(ERROR) << "cannot execv('" << args_[0]
<< "'). See the 'Debugging init' section of init's README.md for tips";
@@ -598,11 +603,8 @@
return {};
}
- InterprocessFifo cgroups_activated;
-
- if (Result<void> result = cgroups_activated.Initialize(); !result.ok()) {
- return result;
- }
+ InterprocessFifo fifo;
+ OR_RETURN(fifo.Initialize());
if (Result<void> result = CheckConsole(); !result.ok()) {
return result;
@@ -660,11 +662,8 @@
if (pid == 0) {
umask(077);
- cgroups_activated.CloseWriteFd();
- RunService(descriptors, std::move(cgroups_activated));
+ RunService(descriptors, std::move(fifo));
_exit(127);
- } else {
- cgroups_activated.CloseReadFd();
}
if (pid < 0) {
@@ -693,7 +692,7 @@
limit_percent_ != -1 || !limit_property_.empty();
errno = -createProcessGroup(proc_attr_.uid, pid_, use_memcg);
if (errno != 0) {
- Result<void> result = cgroups_activated.Write(0);
+ Result<void> result = fifo.Write(0);
if (!result.ok()) {
return Error() << "Sending notification failed: " << result.error();
}
@@ -717,10 +716,35 @@
LmkdRegister(name_, proc_attr_.uid, pid_, oom_score_adjust_);
}
- if (Result<void> result = cgroups_activated.Write(1); !result.ok()) {
+ if (Result<void> result = fifo.Write(1); !result.ok()) {
return Error() << "Sending cgroups activated notification failed: " << result.error();
}
+ // Call setpgid() from the parent process to make sure that this call has
+ // finished before the parent process calls kill(-pgid, ...).
+ if (proc_attr_.console.empty()) {
+ if (setpgid(pid, pid) < 0) {
+ switch (errno) {
+ case EACCES: // Child has already performed 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 = fifo.Read(); !result.ok() || *result != 2) {
+ if (!result.ok()) {
+ return Error() << "Waiting for setsid() failed: " << result.error();
+ } else {
+ return Error() << "Waiting for setsid() failed: " << *result << " <> 2";
+ }
+ }
+ }
+
+ fifo.Close();
+
NotifyStateChange("running");
reboot_on_failure.Disable();
return {};
diff --git a/init/service.h b/init/service.h
index b2c9909..2c2778d 100644
--- a/init/service.h
+++ b/init/service.h
@@ -155,7 +155,7 @@
void ResetFlagsForStart();
Result<void> CheckConsole();
void ConfigureMemcg();
- void RunService(const std::vector<Descriptor>& descriptors, InterprocessFifo cgroups_activated);
+ void RunService(const std::vector<Descriptor>& descriptors, InterprocessFifo fifo);
void SetMountNamespace();
static unsigned long next_start_order_;
static bool is_exec_service_running_;
diff --git a/init/service_utils.cpp b/init/service_utils.cpp
index a14969e..9585d05 100644
--- a/init/service_utils.cpp
+++ b/init/service_utils.cpp
@@ -240,11 +240,15 @@
}
}
- if (!attr.console.empty()) {
+ if (RequiresConsole(attr)) {
setsid();
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..c66f2b4 100644
--- a/init/service_utils.h
+++ b/init/service_utils.h
@@ -89,6 +89,11 @@
int priority;
bool stdio_to_kmsg;
};
+
+inline bool RequiresConsole(const ProcessAttributes& attr) {
+ return !attr.console.empty();
+}
+
Result<void> SetProcessAttributes(const ProcessAttributes& attr);
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/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/rootdir/etc/linker.config.json b/rootdir/etc/linker.config.json
index c88c7ff..3a98fdb 100644
--- a/rootdir/etc/linker.config.json
+++ b/rootdir/etc/linker.config.json
@@ -27,6 +27,8 @@
// statsd
"libstatspull.so",
"libstatssocket.so",
+ // tethering LLNDK
+ "libcom.android.tethering.connectivity_native.so",
// adbd
"libadb_pairing_auth.so",
"libadb_pairing_connection.so",
diff --git a/rootdir/init.rc b/rootdir/init.rc
index ec760d3..1eec061 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -952,9 +952,10 @@
mkdir /data_mirror/data_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
# Create mirror directory for jit profiles
@@ -1037,6 +1038,9 @@
# 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
@@ -1175,9 +1179,6 @@
# 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
@@ -1222,7 +1223,7 @@
# 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
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/keymaster/Android.bp b/trusty/keymaster/Android.bp
index adc9fdf..31f0a72 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",
diff --git a/trusty/storage/proxy/rpmb.c b/trusty/storage/proxy/rpmb.c
index f059935..b1b8232 100644
--- a/trusty/storage/proxy/rpmb.c
+++ b/trusty/storage/proxy/rpmb.c
@@ -322,9 +322,9 @@
}
static int send_mmc_rpmb_req(int mmc_fd, const struct storage_rpmb_send_req* req) {
- struct {
+ 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;