Commit 27.0 sepolicy prebuilts to master.
Bug: 65551293
Bug: 69390067
Test: None. Prebuilt only change.
Change-Id: I62304b342a8b52fd505892cc2d4ebc882148224b
diff --git a/prebuilts/api/27.0/public/perfprofd.te b/prebuilts/api/27.0/public/perfprofd.te
new file mode 100644
index 0000000..bfb8693
--- /dev/null
+++ b/prebuilts/api/27.0/public/perfprofd.te
@@ -0,0 +1,59 @@
+# perfprofd - perf profile collection daemon
+type perfprofd, domain;
+type perfprofd_exec, exec_type, file_type;
+
+userdebug_or_eng(`
+
+ typeattribute perfprofd coredomain;
+ typeattribute perfprofd mlstrustedsubject;
+
+ # perfprofd needs to control CPU hot-plug in order to avoid kernel
+ # perfevents problems in cases where CPU goes on/off during measurement;
+ # this means read access to /sys/devices/system/cpu/possible
+ # and read/write access to /sys/devices/system/cpu/cpu*/online
+ allow perfprofd sysfs_devices_system_cpu:file rw_file_perms;
+
+ # perfprofd checks for the existence of and then invokes simpleperf;
+ # simpleperf retains perfprofd domain after exec
+ allow perfprofd system_file:file rx_file_perms;
+
+ # perfprofd reads a config file from /data/data/com.google.android.gms/files
+ allow perfprofd app_data_file:file r_file_perms;
+ allow perfprofd app_data_file:dir search;
+ allow perfprofd self:capability { dac_override };
+
+ # perfprofd opens a file for writing in /data/misc/perfprofd
+ allow perfprofd perfprofd_data_file:file create_file_perms;
+ allow perfprofd perfprofd_data_file:dir rw_dir_perms;
+
+ # perfprofd uses the system log
+ read_logd(perfprofd);
+ write_logd(perfprofd);
+
+ # perfprofd inspects /sys/power/wake_unlock
+ wakelock_use(perfprofd);
+
+ # simpleperf uses ioctl() to turn on kernel perf events measurements
+ allow perfprofd self:capability sys_admin;
+
+ # simpleperf needs to examine /proc to collect task/thread info
+ r_dir_file(perfprofd, domain)
+
+ # simpleperf needs to access /proc/<pid>/exec
+ allow perfprofd self:capability { sys_resource sys_ptrace };
+ neverallow perfprofd domain:process ptrace;
+
+ # simpleperf needs open/read any file that turns up in a profile
+ # to see whether it has a build ID
+ allow perfprofd exec_type:file r_file_perms;
+
+ # simpleperf examines debugfs on startup to collect tracepoint event types
+ allow perfprofd debugfs_tracing:file r_file_perms;
+
+ # simpleperf is going to execute "sleep"
+ allow perfprofd toolbox_exec:file rx_file_perms;
+
+ # needed for simpleperf on some kernels
+ allow perfprofd self:capability ipc_lock;
+
+')