platform_system_sepolicy/private/dumpstate.te
Carmen Jackson 2c8ca45d2d Use a whitelisting strategy for tracefs.
This changes tracefs files to be default-enabled in debug mode, but
default-disabled with specific files enabled in user mode.

Bug: 64762598
Test: Successfully took traces in user mode.

Change-Id: I572ea22253e0c1e42065fbd1d2fd7845de06fceb
2018-02-05 10:03:06 -08:00

40 lines
1.2 KiB
Text

typeattribute dumpstate coredomain;
init_daemon_domain(dumpstate)
# Execute and transition to the vdc domain
domain_auto_trans(dumpstate, vdc_exec, vdc)
# Acquire advisory lock on /system/etc/xtables.lock from ip[6]tables
allow dumpstate system_file:file lock;
# TODO: deal with tmpfs_domain pub/priv split properly
allow dumpstate dumpstate_tmpfs:file execute;
# systrace support - allow atrace to run
allow dumpstate debugfs_tracing:dir r_dir_perms;
allow dumpstate debugfs_tracing:file rw_file_perms;
allow dumpstate debugfs_tracing_debug:dir r_dir_perms;
allow dumpstate debugfs_trace_marker:file getattr;
allow dumpstate atrace_exec:file rx_file_perms;
allow dumpstate storaged_exec:file rx_file_perms;
# /data/misc/wmtrace for wm traces
userdebug_or_eng(`
allow dumpstate wm_trace_data_file:dir r_dir_perms;
allow dumpstate wm_trace_data_file:file r_file_perms;
')
# Allow dumpstate to make binder calls to storaged service
binder_call(dumpstate, storaged)
# Allow dumpstate to make binder calls to statsd
binder_call(dumpstate, statsd)
# Collect metrics on boot time created by init
get_prop(dumpstate, boottime_prop)
# Signal native processes to dump their stack.
allow dumpstate {
statsd
}:process signal;