tequilaOS/platform_system_sepolicy
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Move file labeling to genfs_contexts.

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This should improve performance, as file_contexts is slower than
genfs_contexts.

Bug: 62413700
Test: Built, flashed, and booted Sailfish.  Verified that the
files have the correct context and that wifi, web, and atrace work.

Merged-In: Ia28707ec565a0792bc882fbffe9e8ab9968535f5
Change-Id: I9546f3af3c95e3443684ae4764881b69987611ef
This commit is contained in:
Joel Galenson 2017-07-26 16:22:50 -07:00 committed by Jeffrey Vander Stoep
parent 5a30eadc49
commit 27c0aa7a42
6 changed files with 65 additions and 58 deletions
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54
private/file_contexts
View file

@ -419,60 +419,6 @@
# LocalTransport (backup) uses this subtree
/data/cache/backup(/.*)? u:object_r:cache_private_backup_file:s0
#############################
# sysfs files
#
/sys/class/leds(/.*)? u:object_r:sysfs_leds:s0
/sys/devices/platform/nfc-power/nfc_power -- u:object_r:sysfs_nfc_power_writable:s0
/sys/devices/system/cpu(/.*)? u:object_r:sysfs_devices_system_cpu:s0
/sys/devices/virtual/block/zram\d+(/.*)? u:object_r:sysfs_zram:s0
/sys/devices/virtual/block/zram\d+/uevent u:object_r:sysfs_zram_uevent:s0
/sys/devices/virtual/misc/hw_random(/.*)? u:object_r:sysfs_hwrandom:s0
/sys/power/wake_lock -- u:object_r:sysfs_wake_lock:s0
/sys/power/wake_unlock -- u:object_r:sysfs_wake_lock:s0
/sys/kernel/uevent_helper -- u:object_r:usermodehelper:s0
/sys/module/lowmemorykiller(/.*)? -- u:object_r:sysfs_lowmemorykiller:s0
/sys/module/wlan/parameters/fwpath u:object_r:sysfs_wlan_fwpath:s0
/sys/devices/virtual/timed_output/vibrator/enable u:object_r:sysfs_vibrator:s0
#############################
# debugfs files
#
/sys/kernel/debug/mmc0(/.*)? u:object_r:debugfs_mmc:s0
#############################
# tracefs files
#
/sys/kernel(/debug)?/tracing/buffer_size_kb u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/binder/binder_locked/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/binder/binder_lock/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/binder/binder_transaction/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/binder/binder_transaction_received/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/binder/binder_unlock/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/cpufreq_interactive/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/power/clock_set_rate/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/power/cpu_frequency/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/power/cpu_frequency_limits/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/power/cpu_idle/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/sched/sched_blocked_reason/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/sched/sched_cpu_hotplug/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/sched/sched_switch/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/sched/sched_wakeup/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/vmscan/mm_vmscan_direct_reclaim_begin/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/vmscan/mm_vmscan_direct_reclaim_end/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/vmscan/mm_vmscan_kswapd_sleep/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/events/vmscan/mm_vmscan_kswapd_wake/enable u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/instances(/.*)? u:object_r:debugfs_tracing_instances:s0
/sys/kernel(/debug)?/tracing/instances/wifi/free_buffer u:object_r:debugfs_wifi_tracing:s0
/sys/kernel(/debug)?/tracing/instances/wifi/trace u:object_r:debugfs_wifi_tracing:s0
/sys/kernel(/debug)?/tracing/instances/wifi/tracing_on u:object_r:debugfs_wifi_tracing:s0
/sys/kernel(/debug)?/tracing/options/overwrite u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/options/print-tgid u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/trace u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/trace_clock u:object_r:tracing_shell_writable:s0
/sys/kernel(/debug)?/tracing/trace_marker u:object_r:debugfs_trace_marker:s0
/sys/kernel(/debug)?/tracing/tracing_on u:object_r:tracing_shell_writable:s0
#############################
# asec containers
/mnt/asec(/.*)? u:object_r:asec_apk_file:s0

60
private/genfs_contexts
View file

@ -48,6 +48,66 @@ genfscon selinuxfs / u:object_r:selinuxfs:s0
genfscon cgroup / u:object_r:cgroup:s0
# sysfs labels can be set by userspace.
genfscon sysfs / u:object_r:sysfs:s0
genfscon sysfs /devices/system/cpu u:object_r:sysfs_devices_system_cpu:s0
genfscon sysfs /class/leds u:object_r:sysfs_leds:s0
genfscon sysfs /devices/platform/nfc-power/nfc_power u:object_r:sysfs_nfc_power_writable:s0
genfscon sysfs /devices/virtual/block/zram0 u:object_r:sysfs_zram:s0
genfscon sysfs /devices/virtual/block/zram1 u:object_r:sysfs_zram:s0
genfscon sysfs /devices/virtual/block/zram0/uevent u:object_r:sysfs_zram_uevent:s0
genfscon sysfs /devices/virtual/block/zram1/uevent u:object_r:sysfs_zram_uevent:s0
genfscon sysfs /devices/virtual/misc/hw_random u:object_r:sysfs_hwrandom:s0
genfscon sysfs /power/wake_lock u:object_r:sysfs_wake_lock:s0
genfscon sysfs /power/wake_unlock u:object_r:sysfs_wake_lock:s0
genfscon sysfs /kernel/uevent_helper u:object_r:usermodehelper:s0
genfscon sysfs /module/lowmemorykiller u:object_r:sysfs_lowmemorykiller:s0
genfscon sysfs /module/wlan/parameters/fwpath u:object_r:sysfs_wlan_fwpath:s0
genfscon sysfs /devices/virtual/timed_output/vibrator/enable u:object_r:sysfs_vibrator:s0
genfscon debugfs /mmc0 u:object_r:debugfs_mmc:s0
genfscon debugfs /tracing u:object_r:debugfs_tracing:s0
genfscon debugfs /tracing/instances u:object_r:debugfs_tracing_instances:s0
genfscon tracefs /instances u:object_r:debugfs_tracing_instances:s0
genfscon debugfs /tracing/instances/wifi u:object_r:debugfs_wifi_tracing:s0
genfscon tracefs /instances/wifi u:object_r:debugfs_wifi_tracing:s0
genfscon debugfs /tracing/trace_marker u:object_r:debugfs_trace_marker:s0
genfscon tracefs /trace_marker u:object_r:debugfs_trace_marker:s0
genfscon debugfs /tracing/events/sync/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/workqueue/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/regulator/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/pagecache/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/irq/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/ipi/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/f2fs/f2fs_sync_file_enter/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/f2fs/f2fs_sync_file_exit/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/f2fs/f2fs_write_begin/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/f2fs/f2fs_write_end/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/ext4/ext4_da_write_begin/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/ext4/ext4_da_write_end/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/ext4/ext4_sync_file_enter/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/ext4/ext4_sync_file_exit/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/block/block_rq_issue/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/events/block/block_rq_complete/enable u:object_r:debugfs_tracing_debug:s0
genfscon debugfs /tracing/saved_cmdlines_size u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/sync/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/workqueue/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/regulator/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/pagecache/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/irq/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/ipi/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/f2fs/f2fs_sync_file_enter/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/f2fs/f2fs_sync_file_exit/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/f2fs/f2fs_write_begin/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/f2fs/f2fs_write_end/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/ext4/ext4_da_write_begin/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/ext4/ext4_da_write_end/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/ext4/ext4_sync_file_enter/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/ext4/ext4_sync_file_exit/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/block/block_rq_issue/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /events/block/block_rq_complete/enable u:object_r:debugfs_tracing_debug:s0
genfscon tracefs /saved_cmdlines_size u:object_r:debugfs_tracing_debug:s0
genfscon inotifyfs / u:object_r:inotify:s0
genfscon vfat / u:object_r:vfat:s0
genfscon debugfs / u:object_r:debugfs:s0

4
private/shell.te
View file

@ -5,8 +5,8 @@ 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 r_file_perms;
allow shell tracing_shell_writable:file rw_file_perms;
allow shell debugfs_tracing:file rw_file_perms;
allow shell debugfs_trace_marker:file getattr;
allow shell atrace_exec:file rx_file_perms;

1
private/system_server.te
View file

@ -656,6 +656,7 @@ allow system_server sysfs_leds:dir r_dir_perms;
# Allow WifiService to start, stop, and read wifi-specific trace events.
allow system_server debugfs_tracing_instances:dir search;
allow system_server debugfs_wifi_tracing:dir search;
allow system_server debugfs_wifi_tracing:file rw_file_perms;
# allow system_server to exec shell on ASAN builds. Needed to run

2
public/file.te
View file

@ -67,9 +67,9 @@ type debugfs, fs_type;
type debugfs_mmc, fs_type, debugfs_type;
type debugfs_trace_marker, fs_type, debugfs_type, mlstrustedobject;
type debugfs_tracing, fs_type, debugfs_type;
type debugfs_tracing_debug, fs_type, debugfs_type;
type debugfs_tracing_instances, fs_type, debugfs_type;
type debugfs_wifi_tracing, fs_type, debugfs_type;
type tracing_shell_writable, fs_type, debugfs_type;
type pstorefs, fs_type;
type functionfs, fs_type, mlstrustedobject;
type oemfs, fs_type, contextmount_type;

2
public/init.te
View file

@ -188,7 +188,7 @@ allow init dev_type:dir create_dir_perms;
allow init dev_type:lnk_file create;
# Disable tracing by writing to /sys/kernel/debug/tracing/tracing_on
allow init tracing_shell_writable:file w_file_perms;
allow init debugfs_tracing:file w_file_perms;
# Setup and control wifi event tracing (see wifi-events.rc)
allow init debugfs_tracing_instances:dir create_dir_perms;