platform_system_sepolicy/mediaserver.te
Riley Spahn 70f75ce9e5 Add fine grained access control to DrmManagerService.
Add policies supporting SELinux MAC in DrmManagerservice.
Add drmservice class with verbs for each of the
functions exposed by drmservice.

Change-Id: Ib758a23302962f41e5103c4853c65adea3a5994e
2014-07-24 13:36:38 -07:00

103 lines
3.3 KiB
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# mediaserver - multimedia daemon
type mediaserver, domain;
type mediaserver_exec, exec_type, file_type;
typeattribute mediaserver mlstrustedsubject;
net_domain(mediaserver)
init_daemon_domain(mediaserver)
unix_socket_connect(mediaserver, property, init)
r_dir_file(mediaserver, sdcard_type)
binder_use(mediaserver)
binder_call(mediaserver, binderservicedomain)
binder_call(mediaserver, appdomain)
binder_service(mediaserver)
allow mediaserver self:process execmem;
allow mediaserver kernel:system module_request;
allow mediaserver media_data_file:dir create_dir_perms;
allow mediaserver media_data_file:file create_file_perms;
allow mediaserver app_data_file:dir search;
allow mediaserver app_data_file:file rw_file_perms;
allow mediaserver sdcard_type:file write;
allow mediaserver gpu_device:chr_file rw_file_perms;
allow mediaserver video_device:dir r_dir_perms;
allow mediaserver video_device:chr_file rw_file_perms;
allow mediaserver audio_device:dir r_dir_perms;
allow mediaserver tee_device:chr_file rw_file_perms;
allow mediaserver audio_prop:property_service set;
# Access audio devices at all.
allow mediaserver audio_device:chr_file rw_file_perms;
# XXX Label with a specific type?
allow mediaserver sysfs:file rw_file_perms;
# Read resources from open apk files passed over Binder.
allow mediaserver apk_data_file:file { read getattr };
allow mediaserver asec_apk_file:file { read getattr };
# Read /data/data/com.android.providers.telephony files passed over Binder.
allow mediaserver radio_data_file:file { read getattr };
# Use pipes passed over Binder from app domains.
allow mediaserver appdomain:fifo_file { getattr read write };
# Access camera device.
allow mediaserver camera_device:chr_file rw_file_perms;
allow mediaserver rpmsg_device:chr_file rw_file_perms;
# Inter System processes communicate over named pipe (FIFO)
allow mediaserver system_server:fifo_file r_file_perms;
# Camera data
r_dir_file(mediaserver, camera_data_file)
r_dir_file(mediaserver, media_rw_data_file)
# Grant access to audio files to mediaserver
allow mediaserver audio_data_file:dir ra_dir_perms;
allow mediaserver audio_data_file:file create_file_perms;
# Read/[write] to /proc/net/xt_qtaguid/ctrl and /dev/xt_qtaguid
allow mediaserver qtaguid_proc:file rw_file_perms;
allow mediaserver qtaguid_device:chr_file r_file_perms;
# Allow abstract socket connection
allow mediaserver rild:unix_stream_socket { connectto read write setopt };
# Needed on some devices for playing DRM protected content,
# but seems expected and appropriate for all devices.
unix_socket_connect(mediaserver, drmserver, drmserver)
# Needed on some devices for playing audio on paired BT device,
# but seems appropriate for all devices.
unix_socket_connect(mediaserver, bluetooth, bluetooth)
# Connect to tee service.
allow mediaserver tee:unix_stream_socket connectto;
allow mediaserver mediaserver_service:service_manager add;
# Audited locally.
service_manager_local_audit_domain(mediaserver)
auditallow mediaserver {
service_manager_type
-drmserver_service
-mediaserver_service
-system_server_service
-surfaceflinger_service
}:service_manager find;
use_drmservice(mediaserver)
allow mediaserver drmserver:drmservice {
consumeRights
setPlaybackStatus
openDecryptSession
closeDecryptSession
initializeDecryptUnit
decrypt
finalizeDecryptUnit
pread
};