04a85a1ba0
Ignore-AOSP-First: T finalization Bug: 225745567 Test: Build Change-Id: I49fb91c7a60fb1e871bdf3553d978bb16c476fd7 Merged-In: I49fb91c7a60fb1e871bdf3553d978bb16c476fd7
151 lines
5.3 KiB
Text
151 lines
5.3 KiB
Text
# mediaserver - multimedia daemon
|
|
type mediaserver, domain;
|
|
type mediaserver_exec, system_file_type, exec_type, file_type;
|
|
type mediaserver_tmpfs, file_type;
|
|
|
|
typeattribute mediaserver mlstrustedsubject;
|
|
|
|
net_domain(mediaserver)
|
|
|
|
r_dir_file(mediaserver, sdcard_type)
|
|
r_dir_file(mediaserver, fuse)
|
|
r_dir_file(mediaserver, cgroup)
|
|
r_dir_file(mediaserver, cgroup_v2)
|
|
|
|
# stat /proc/self
|
|
allow mediaserver proc:lnk_file getattr;
|
|
|
|
# open /vendor/lib/mediadrm
|
|
allow mediaserver system_file:dir r_dir_perms;
|
|
|
|
userdebug_or_eng(`
|
|
# ptrace to processes in the same domain for memory leak detection
|
|
allow mediaserver self:process ptrace;
|
|
')
|
|
|
|
binder_use(mediaserver)
|
|
binder_call(mediaserver, binderservicedomain)
|
|
binder_call(mediaserver, appdomain)
|
|
binder_service(mediaserver)
|
|
|
|
allow mediaserver media_data_file:dir create_dir_perms;
|
|
allow mediaserver media_data_file:file create_file_perms;
|
|
allow mediaserver { app_data_file privapp_data_file }:file { append getattr ioctl lock map read write };
|
|
allow mediaserver { sdcard_type fuse }:file write;
|
|
allow mediaserver gpu_device:chr_file rw_file_perms;
|
|
allow mediaserver gpu_device:dir r_dir_perms;
|
|
allow mediaserver video_device:dir r_dir_perms;
|
|
allow mediaserver video_device:chr_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 };
|
|
allow mediaserver ringtone_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 };
|
|
|
|
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;
|
|
|
|
r_dir_file(mediaserver, media_rw_data_file)
|
|
|
|
# Grant access to read files on appfuse.
|
|
allow mediaserver app_fuse_file:file { read getattr };
|
|
|
|
# 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)
|
|
|
|
add_service(mediaserver, mediaserver_service)
|
|
allow mediaserver activity_service:service_manager find;
|
|
allow mediaserver appops_service:service_manager find;
|
|
allow mediaserver audio_service:service_manager find;
|
|
allow mediaserver audioserver_service:service_manager find;
|
|
allow mediaserver cameraserver_service:service_manager find;
|
|
allow mediaserver batterystats_service:service_manager find;
|
|
allow mediaserver drmserver_service:service_manager find;
|
|
allow mediaserver mediaextractor_service:service_manager find;
|
|
allow mediaserver mediametrics_service:service_manager find;
|
|
allow mediaserver media_session_service:service_manager find;
|
|
allow mediaserver permission_service:service_manager find;
|
|
allow mediaserver permission_checker_service:service_manager find;
|
|
allow mediaserver power_service:service_manager find;
|
|
allow mediaserver processinfo_service:service_manager find;
|
|
allow mediaserver scheduling_policy_service:service_manager find;
|
|
allow mediaserver surfaceflinger_service:service_manager find;
|
|
|
|
# for ModDrm/MediaPlayer
|
|
allow mediaserver mediadrmserver_service:service_manager find;
|
|
|
|
# For hybrid interfaces
|
|
allow mediaserver hidl_token_hwservice:hwservice_manager find;
|
|
|
|
# /oem access
|
|
allow mediaserver oemfs:dir search;
|
|
allow mediaserver oemfs:file r_file_perms;
|
|
|
|
# /vendor apk access
|
|
allow mediaserver vendor_app_file:file { read map getattr };
|
|
|
|
use_drmservice(mediaserver)
|
|
allow mediaserver drmserver:drmservice {
|
|
consumeRights
|
|
setPlaybackStatus
|
|
openDecryptSession
|
|
closeDecryptSession
|
|
initializeDecryptUnit
|
|
decrypt
|
|
finalizeDecryptUnit
|
|
pread
|
|
};
|
|
|
|
# only allow unprivileged socket ioctl commands
|
|
allowxperm mediaserver self:{ rawip_socket tcp_socket udp_socket }
|
|
ioctl { unpriv_sock_ioctls unpriv_tty_ioctls };
|
|
|
|
# Access to /data/media.
|
|
# This should be removed if sdcardfs is modified to alter the secontext for its
|
|
# accesses to the underlying FS.
|
|
allow mediaserver media_rw_data_file:dir create_dir_perms;
|
|
allow mediaserver media_rw_data_file:file create_file_perms;
|
|
|
|
# Access to media in /data/preloads
|
|
allow mediaserver preloads_media_file:file { getattr read ioctl };
|
|
|
|
allow mediaserver ion_device:chr_file r_file_perms;
|
|
allow mediaserver dmabuf_system_heap_device:chr_file r_file_perms;
|
|
allow mediaserver dmabuf_system_secure_heap_device:chr_file r_file_perms;
|
|
allow mediaserver hal_graphics_allocator:fd use;
|
|
allow mediaserver hal_graphics_composer:fd use;
|
|
allow mediaserver hal_camera:fd use;
|
|
|
|
allow mediaserver system_server:fd use;
|
|
|
|
# b/120491318 allow mediaserver to access void:fd
|
|
allow mediaserver vold:fd use;
|
|
|
|
# overlay package access
|
|
allow mediaserver vendor_overlay_file:file { read getattr map };
|
|
|
|
hal_client_domain(mediaserver, hal_allocator)
|
|
|
|
###
|
|
### neverallow rules
|
|
###
|
|
|
|
# mediaserver should never execute any executable without a
|
|
# domain transition
|
|
neverallow mediaserver { file_type fs_type }:file execute_no_trans;
|
|
|
|
# do not allow privileged socket ioctl commands
|
|
neverallowxperm mediaserver domain:{ rawip_socket tcp_socket udp_socket } ioctl priv_sock_ioctls;
|