platform_system_sepolicy/private/shell.te

typeattribute shell coredomain;

# allow shell input injection
allow shell uhid_device:chr_file rw_file_perms;

# systrace support - allow atrace to run
allow shell debugfs_tracing_debug:dir r_dir_perms;
allow shell debugfs_tracing:dir r_dir_perms;
allow shell debugfs_tracing:file rw_file_perms;
allow shell debugfs_trace_marker:file getattr;
allow shell atrace_exec:file rx_file_perms;

userdebug_or_eng(`
  allow shell debugfs_tracing_debug:file rw_file_perms;
')

# read config.gz for CTS purposes
allow shell config_gz:file r_file_perms;

# Run app_process.
# XXX Transition into its own domain?
app_domain(shell)

# allow shell to call dumpsys storaged
binder_call(shell, storaged)

# Perform SELinux access checks, needed for CTS
selinux_check_access(shell)
selinux_check_context(shell)

# Control Perfetto traced and obtain traces from it.
# Needed for Studio and debugging.
unix_socket_connect(shell, traced_consumer, traced)

# Allow shell binaries to write trace data to Perfetto. Used for testing and
# cmdline utils.
perfetto_producer(shell)

domain_auto_trans(shell, vendor_shell_exec, vendor_shell)

# Allow shell binaries to exec the perfetto cmdline util and have that
# transition into its own domain, so that it behaves consistently to
# when exec()-d by statsd.
domain_auto_trans(shell, perfetto_exec, perfetto)
# Allow to send SIGINT to perfetto when daemonized.
allow shell perfetto:process signal;

# Allow shell to run adb shell cmd stats commands. Needed for CTS.
binder_call(shell, statsd);

# Allow shell to read and unlink traces stored in /data/misc/perfetto-traces.
allow shell perfetto_traces_data_file:dir rw_dir_perms;
allow shell perfetto_traces_data_file:file { r_file_perms unlink };

# Allow shell to run adb shell cmd gpu commands.
binder_call(shell, gpuservice);

# Allow shell to use atrace HAL
hal_client_domain(shell, hal_atrace)

# For hostside tests such as CTS listening ports test.
allow shell proc_net_tcp_udp:file r_file_perms;

# The dl.exec_linker* tests need to execute /system/bin/linker
# b/124789393
allow shell system_linker_exec:file rx_file_perms;

# Renderscript host side tests depend on being able to execute
# /system/bin/bcc (b/126388046)
allow shell rs_exec:file rx_file_perms;

# Allow shell to start and comminicate with lpdumpd.
set_prop(shell, lpdumpd_prop);
binder_call(shell, lpdumpd)

# Allow shell to set and read value of properties used for CTS tests of
# userspace reboot
set_prop(shell, userspace_reboot_test_prop)

# Allow shell to get encryption policy of /data/local/tmp/, for CTS
allowxperm shell shell_data_file:dir ioctl {
  FS_IOC_GET_ENCRYPTION_POLICY
  FS_IOC_GET_ENCRYPTION_POLICY_EX
};

# Allow shell to execute simpleperf without a domain transition.
allow shell simpleperf_exec:file rx_file_perms;

# Allow shell to call perf_event_open for profiling other shell processes, but
# not the whole system.
allow shell self:perf_event { open read write kernel };
neverallow shell self:perf_event ~{ open read write kernel };