platform_system_sepolicy/private/atrace.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

28 lines
883 B
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# Domain for atrace process spawned by boottrace service.
type atrace_exec, exec_type, file_type;
userdebug_or_eng(`
type atrace, domain, coredomain;
init_daemon_domain(atrace)
# boottrace services uses /data/misc/boottrace/categories
allow atrace boottrace_data_file:dir search;
allow atrace boottrace_data_file:file r_file_perms;
# Allow atrace to access tracefs.
allow atrace debugfs_tracing:dir r_dir_perms;
allow atrace debugfs_tracing:file rw_file_perms;
allow atrace debugfs_tracing_debug:dir r_dir_perms;
allow atrace debugfs_tracing_debug:file rw_file_perms;
allow atrace debugfs_trace_marker:file getattr;
# atrace sets debug.atrace.* properties
set_prop(atrace, debug_prop)
# atrace pokes all the binder-enabled processes at startup.
binder_use(atrace)
allow atrace healthd:binder call;
allow atrace surfaceflinger:binder call;
')