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  • Marco Nelissen's avatar
    mediacodec: grant access to surfaceflinger · 6c53b23d
    Marco Nelissen authored 
    avc:  denied  { find } for service=SurfaceFlinger scontext=u:r:mediacodec:s0
tcontext=u:object_r:surfaceflinger_service:s0 tclass=service_manager

Bug: 26990688
Change-Id: Ie7c5f6d879c286375eb52ef4c6b84726aa4f1ba2
    6c53b23d
mediacodec.te 1.04 KiB 
# mediacodec - audio and video codecs live here
type mediacodec, domain;
type mediacodec_exec, exec_type, file_type;

typeattribute mediacodec mlstrustedsubject;

init_daemon_domain(mediacodec)

binder_use(mediacodec)
binder_call(mediacodec, binderservicedomain)
binder_call(mediacodec, appdomain)
binder_service(mediacodec)

allow mediacodec mediacodec_service:service_manager add;
allow mediacodec surfaceflinger_service:service_manager find;
allow mediacodec gpu_device:chr_file rw_file_perms;
allow mediacodec video_device:chr_file rw_file_perms;
allow mediacodec video_device:dir search;
allow mediacodec ion_device:chr_file rw_file_perms;

###
### neverallow rules
###

# mediacodec should never execute any executable without a
# domain transition
neverallow mediacodec { file_type fs_type }:file execute_no_trans;

# mediacodec should never need network access. Disallow all sockets
# other than those needed for normal system functions
neverallow mediacodec { domain -debuggerd -dumpstate -adbd -mediacodec -logd userdebug_or_eng(`-su')}:socket_class_set *;