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      1 # mediaserver - multimedia daemon
      2 type mediaserver, domain;
      3 type mediaserver_exec, exec_type, file_type;
      4 
      5 typeattribute mediaserver mlstrustedsubject;
      6 
      7 net_domain(mediaserver)
      8 init_daemon_domain(mediaserver)
      9 
     10 r_dir_file(mediaserver, sdcard_type)
     11 
     12 binder_use(mediaserver)
     13 binder_call(mediaserver, binderservicedomain)
     14 binder_call(mediaserver, appdomain)
     15 binder_service(mediaserver)
     16 
     17 allow mediaserver self:process execmem;
     18 allow mediaserver kernel:system module_request;
     19 allow mediaserver media_data_file:dir create_dir_perms;
     20 allow mediaserver media_data_file:file create_file_perms;
     21 allow mediaserver app_data_file:dir search;
     22 allow mediaserver app_data_file:file rw_file_perms;
     23 allow mediaserver sdcard_type:file write;
     24 allow mediaserver gpu_device:chr_file rw_file_perms;
     25 allow mediaserver video_device:dir r_dir_perms;
     26 allow mediaserver video_device:chr_file rw_file_perms;
     27 allow mediaserver audio_device:dir r_dir_perms;
     28 allow mediaserver tee_device:chr_file rw_file_perms;
     29 
     30 set_prop(mediaserver, audio_prop)
     31 
     32 # Access audio devices at all.
     33 allow mediaserver audio_device:chr_file rw_file_perms;
     34 
     35 # XXX Label with a specific type?
     36 allow mediaserver sysfs:file rw_file_perms;
     37 
     38 # Read resources from open apk files passed over Binder.
     39 allow mediaserver apk_data_file:file { read getattr };
     40 allow mediaserver asec_apk_file:file { read getattr };
     41 
     42 # Read /data/data/com.android.providers.telephony files passed over Binder.
     43 allow mediaserver radio_data_file:file { read getattr };
     44 
     45 # Use pipes passed over Binder from app domains.
     46 allow mediaserver appdomain:fifo_file { getattr read write };
     47 
     48 # Access camera device.
     49 allow mediaserver camera_device:chr_file rw_file_perms;
     50 allow mediaserver rpmsg_device:chr_file rw_file_perms;
     51 
     52 # Inter System processes communicate over named pipe (FIFO)
     53 allow mediaserver system_server:fifo_file r_file_perms;
     54 
     55 # Camera data
     56 r_dir_file(mediaserver, camera_data_file)
     57 r_dir_file(mediaserver, media_rw_data_file)
     58 
     59 # Grant access to audio files to mediaserver
     60 allow mediaserver audio_data_file:dir ra_dir_perms;
     61 allow mediaserver audio_data_file:file create_file_perms;
     62 
     63 # Read/[write] to /proc/net/xt_qtaguid/ctrl and /dev/xt_qtaguid
     64 allow mediaserver qtaguid_proc:file rw_file_perms;
     65 allow mediaserver qtaguid_device:chr_file r_file_perms;
     66 
     67 # Allow abstract socket connection
     68 allow mediaserver rild:unix_stream_socket { connectto read write setopt };
     69 
     70 # Needed on some devices for playing DRM protected content,
     71 # but seems expected and appropriate for all devices.
     72 unix_socket_connect(mediaserver, drmserver, drmserver)
     73 
     74 # Needed on some devices for playing audio on paired BT device,
     75 # but seems appropriate for all devices.
     76 unix_socket_connect(mediaserver, bluetooth, bluetooth)
     77 
     78 # Connect to tee service.
     79 allow mediaserver tee:unix_stream_socket connectto;
     80 
     81 allow mediaserver activity_service:service_manager find;
     82 allow mediaserver appops_service:service_manager find;
     83 allow mediaserver cameraproxy_service:service_manager find;
     84 allow mediaserver batterystats_service:service_manager find;
     85 allow mediaserver drmserver_service:service_manager find;
     86 allow mediaserver mediaserver_service:service_manager { add find };
     87 allow mediaserver permission_service:service_manager find;
     88 allow mediaserver power_service:service_manager find;
     89 allow mediaserver processinfo_service:service_manager find;
     90 allow mediaserver scheduling_policy_service:service_manager find;
     91 allow mediaserver surfaceflinger_service:service_manager find;
     92 
     93 # /oem access
     94 allow mediaserver oemfs:dir search;
     95 allow mediaserver oemfs:file r_file_perms;
     96 
     97 use_drmservice(mediaserver)
     98 allow mediaserver drmserver:drmservice {
     99     consumeRights
    100     setPlaybackStatus
    101     openDecryptSession
    102     closeDecryptSession
    103     initializeDecryptUnit
    104     decrypt
    105     finalizeDecryptUnit
    106     pread
    107 };
    108