android_system_sepolicy/mediacodec.te
Jeff Vander Stoep 21f77f630b buildtime/cts enforce no inet access for media domains
Bug: 28348382
Change-Id: Iaab1430750dfbb997900d3d70993c9fff2a8745d
2016-04-22 15:39:00 -07:00

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# 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 network sockets.
neverallow mediacodec domain:{ tcp_socket udp_socket rawip_socket } *;