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: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;

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

userdebug_or_eng(`
  allow shell debugfs_tracing_debug:file rw_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.
allow shell traced:fd use;
allow shell traced_tmpfs:file { read write getattr map };
unix_socket_connect(shell, traced_producer, traced)

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 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;