platform_system_sepolicy/file.te
Nick Kralevich 5467fce636 initial lmkd policy.
* Allow writes to /proc/PID/oom_score_adj
* Allow writes to /sys/module/lowmemorykiller/*

Addresses the following denials:
<5>[    3.825371] type=1400 audit(9781555.430:5): avc:  denied  { write } for  pid=176 comm="lmkd" name="minfree" dev="sysfs" ino=6056 scontext=u:r:lmkd:s0 tcontext=u:object_r:sysfs:s0 tclass=file
<5>[   48.874747] type=1400 audit(9781600.639:16): avc:  denied  { search } for  pid=176 comm="lmkd" name="896" dev="proc" ino=9589 scontext=u:r:lmkd:s0 tcontext=u:r:system_server:s0 tclass=dir
<5>[   48.874889] type=1400 audit(9781600.639:17): avc:  denied  { dac_override } for  pid=176 comm="lmkd" capability=1  scontext=u:r:lmkd:s0 tcontext=u:r:lmkd:s0 tclass=capability
<5>[   48.874982] type=1400 audit(9781600.639:18): avc:  denied  { write } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=8942 scontext=u:r:lmkd:s0 tcontext=u:r:system_server:s0 tclass=file
<5>[   48.875075] type=1400 audit(9781600.639:19): avc:  denied  { open } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=8942 scontext=u:r:lmkd:s0 tcontext=u:r:system_server:s0 tclass=file
<5>[   49.409231] type=1400 audit(9781601.169:20): avc:  denied  { write } for  pid=176 comm="lmkd" name="minfree" dev="sysfs" ino=6056 scontext=u:r:lmkd:s0 tcontext=u:object_r:sysfs:s0 tclass=file
<5>[  209.081990] type=1400 audit(9781760.839:24): avc:  denied  { search } for  pid=176 comm="lmkd" name="1556" dev="proc" ino=10961 scontext=u:r:lmkd:s0 tcontext=u:r:platform_app:s0 tclass=dir
<5>[  209.082240] type=1400 audit(9781760.839:25): avc:  denied  { write } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=11654 scontext=u:r:lmkd:s0 tcontext=u:r:platform_app:s0 tclass=file
<5>[  209.082498] type=1400 audit(9781760.839:26): avc:  denied  { open } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=11654 scontext=u:r:lmkd:s0 tcontext=u:r:platform_app:s0 tclass=file
<5>[  209.119673] type=1400 audit(9781760.879:27): avc:  denied  { search } for  pid=176 comm="lmkd" name="1577" dev="proc" ino=12708 scontext=u:r:lmkd:s0 tcontext=u:r:release_app:s0 tclass=dir
<5>[  209.119937] type=1400 audit(9781760.879:28): avc:  denied  { write } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=11657 scontext=u:r:lmkd:s0 tcontext=u:r:release_app:s0 tclass=file
<5>[  209.120105] type=1400 audit(9781760.879:29): avc:  denied  { open } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=11657 scontext=u:r:lmkd:s0 tcontext=u:r:release_app:s0 tclass=file
<5>[  209.235597] type=1400 audit(9781760.999:30): avc:  denied  { search } for  pid=176 comm="lmkd" name="1600" dev="proc" ino=11659 scontext=u:r:lmkd:s0 tcontext=u:r:shared_app:s0 tclass=dir
<5>[  209.235798] type=1400 audit(9781760.999:31): avc:  denied  { write } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=11667 scontext=u:r:lmkd:s0 tcontext=u:r:shared_app:s0 tclass=file
<5>[  209.236006] type=1400 audit(9781760.999:32): avc:  denied  { open } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=11667 scontext=u:r:lmkd:s0 tcontext=u:r:shared_app:s0 tclass=file
<5>[  214.297283] type=1400 audit(9781766.059:64): avc:  denied  { write } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=11211 scontext=u:r:lmkd:s0 tcontext=u:r:untrusted_app:s0 tclass=file
<5>[  214.297415] type=1400 audit(9781766.059:65): avc:  denied  { open } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=11211 scontext=u:r:lmkd:s0 tcontext=u:r:untrusted_app:s0 tclass=file
<5>[  214.355060] type=1400 audit(9781766.119:66): avc:  denied  { write } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=12907 scontext=u:r:lmkd:s0 tcontext=u:r:system_app:s0 tclass=file
<5>[  214.355236] type=1400 audit(9781766.119:67): avc:  denied  { open } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=12907 scontext=u:r:lmkd:s0 tcontext=u:r:system_app:s0 tclass=file
<5>[  214.516920] type=1400 audit(9781766.279:68): avc:  denied  { search } for  pid=176 comm="lmkd" name="1907" dev="proc" ino=11742 scontext=u:r:lmkd:s0 tcontext=u:r:media_app:s0 tclass=dir
<5>[  214.678861] type=1400 audit(9781766.439:69): avc:  denied  { write } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=12915 scontext=u:r:lmkd:s0 tcontext=u:r:media_app:s0 tclass=file
<5>[  214.678992] type=1400 audit(9781766.439:70): avc:  denied  { open } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=12915 scontext=u:r:lmkd:s0 tcontext=u:r:media_app:s0 tclass=file
<5>[  214.708284] type=1400 audit(9781766.469:71): avc:  denied  { search } for  pid=176 comm="lmkd" name="1765" dev="proc" ino=12851 scontext=u:r:lmkd:s0 tcontext=u:r:shared_app:s0 tclass=dir
<5>[  214.708435] type=1400 audit(9781766.469:72): avc:  denied  { write } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=12870 scontext=u:r:lmkd:s0 tcontext=u:r:shared_app:s0 tclass=file
<5>[  214.708648] type=1400 audit(9781766.469:73): avc:  denied  { open } for  pid=176 comm="lmkd" name="oom_score_adj" dev="proc" ino=12870 scontext=u:r:lmkd:s0 tcontext=u:r:shared_app:s0 tclass=file

Change-Id: Ie3c1ab8ce9e77742d0cc3c73f40010afd018ccd4
2014-02-13 13:48:33 -08:00

140 lines
5.2 KiB
Text

# Filesystem types
type labeledfs, fs_type;
type pipefs, fs_type;
type sockfs, fs_type;
type rootfs, fs_type;
type proc, fs_type;
# Security-sensitive proc nodes that should not be writable to most.
type proc_security, fs_type;
# proc, sysfs, or other nodes that permit configuration of kernel usermodehelpers.
type usermodehelper, fs_type, sysfs_type;
type qtaguid_proc, fs_type, mlstrustedobject;
type proc_bluetooth_writable, fs_type;
type proc_net, fs_type;
type selinuxfs, fs_type;
type cgroup, fs_type, mlstrustedobject;
type sysfs, fs_type, mlstrustedobject;
type sysfs_writable, fs_type, sysfs_type, mlstrustedobject;
type sysfs_bluetooth_writable, fs_type, sysfs_type, mlstrustedobject;
type sysfs_nfc_power_writable, fs_type, sysfs_type, mlstrustedobject;
type sysfs_wake_lock, fs_type, sysfs_type;
# /sys/devices/system/cpu
type sysfs_devices_system_cpu, fs_type, sysfs_type;
# /sys/module/lowmemorykiller
type sysfs_lowmemorykiller, fs_type, sysfs_type;
type inotify, fs_type, mlstrustedobject;
type devpts, fs_type, mlstrustedobject;
type tmpfs, fs_type;
type shm, fs_type;
type mqueue, fs_type;
type sdcard_internal, sdcard_type, fs_type, mlstrustedobject;
type sdcard_external, sdcard_type, fs_type, mlstrustedobject;
type debugfs, fs_type, mlstrustedobject;
# File types
type unlabeled, file_type;
# Default type for anything under /system.
type system_file, file_type;
# Default type for anything under /data.
type system_data_file, file_type, data_file_type;
# /data/drm - DRM plugin data
type drm_data_file, file_type, data_file_type;
# /data/anr - ANR traces
type anr_data_file, file_type, data_file_type, mlstrustedobject;
# /data/tombstones - core dumps
type tombstone_data_file, file_type, data_file_type;
# /data/app - user-installed apps
type apk_data_file, file_type, data_file_type;
type apk_tmp_file, file_type, data_file_type, mlstrustedobject;
# /data/app-private - forward-locked apps
type apk_private_data_file, file_type, data_file_type;
type apk_private_tmp_file, file_type, data_file_type, mlstrustedobject;
# /data/dalvik-cache
type dalvikcache_data_file, file_type, data_file_type;
# /data/local - writable by shell
type shell_data_file, file_type, data_file_type;
# /data/gps
type gps_data_file, file_type, data_file_type;
# /data/misc subdirectories
type adb_keys_file, file_type, data_file_type;
type audio_data_file, file_type, data_file_type;
type bluetooth_data_file, file_type, data_file_type;
type camera_data_file, file_type, data_file_type;
type keystore_data_file, file_type, data_file_type;
type media_data_file, file_type, data_file_type;
type media_rw_data_file, file_type, data_file_type;
type nfc_data_file, file_type, data_file_type;
type radio_data_file, file_type, data_file_type;
type systemkeys_data_file, file_type, data_file_type;
type vpn_data_file, file_type, data_file_type;
type wifi_data_file, file_type, data_file_type;
type zoneinfo_data_file, file_type, data_file_type;
# Compatibility with type names used in vanilla Android 4.3 and 4.4.
typealias audio_data_file alias audio_firmware_file;
# /data/data subdirectories - app sandboxes
type app_data_file, file_type, data_file_type;
type platform_app_data_file, file_type, data_file_type, mlstrustedobject;
# Default type for anything under /cache
type cache_file, file_type, mlstrustedobject;
# Type for /cache/.*\.{data|restore} and default
# type for anything under /cache/backup
type cache_backup_file, file_type, mlstrustedobject;
# Default type for anything under /efs
type efs_file, file_type;
# Type for wallpaper file.
type wallpaper_file, file_type, mlstrustedobject;
# /mnt/asec
type asec_apk_file, file_type, data_file_type;
# Elements of asec files (/mnt/asec) that are world readable
type asec_public_file, file_type, data_file_type;
# /data/app-asec
type asec_image_file, file_type, data_file_type;
# /data/backup and /data/secure/backup
type backup_data_file, file_type, data_file_type, mlstrustedobject;
# For /data/security
type security_file, file_type;
# All devices have bluetooth efs files. But they
# vary per device, so this type is used in per
# device policy
type bluetooth_efs_file, file_type;
# Downloaded files
type download_file, file_type;
# Socket types
type adbd_socket, file_type;
type bluetooth_socket, file_type;
type dnsproxyd_socket, file_type, mlstrustedobject;
type dumpstate_socket, file_type;
type gps_socket, file_type;
type installd_socket, file_type;
type keystore_socket, file_type;
type lmkd_socket, file_type;
type logd_debug, file_type;
type logd_socket, file_type;
type logdr_socket, file_type;
type logdw_socket, file_type;
type mdns_socket, file_type;
type netd_socket, file_type;
type property_socket, file_type;
type qemud_socket, file_type;
type racoon_socket, file_type;
type rild_socket, file_type;
type rild_debug_socket, file_type;
type system_wpa_socket, file_type;
type system_ndebug_socket, file_type;
type vold_socket, file_type;
type wpa_socket, file_type;
type zygote_socket, file_type;
# UART (for GPS) control proc file
type gps_control, file_type;
# Allow files to be created in their appropriate filesystems.
allow fs_type self:filesystem associate;
allow sysfs_type sysfs:filesystem associate;
allow file_type labeledfs:filesystem associate;
allow file_type tmpfs:filesystem associate;
allow file_type rootfs:filesystem associate;
allow dev_type tmpfs:filesystem associate;