mediaserver.te 3.64 KB
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# mediaserver - multimedia daemon
type mediaserver, domain;
type mediaserver_exec, exec_type, file_type;

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typeattribute mediaserver mlstrustedsubject;

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net_domain(mediaserver)
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init_daemon_domain(mediaserver)
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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;
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allow mediaserver media_data_file:dir create_dir_perms;
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allow mediaserver media_data_file:file create_file_perms;
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allow mediaserver app_data_file:dir search;
allow mediaserver app_data_file:file rw_file_perms;
allow mediaserver sdcard_type:file write;
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allow mediaserver gpu_device:chr_file rw_file_perms;
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allow mediaserver video_device:dir r_dir_perms;
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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;
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set_prop(mediaserver, audio_prop)
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# 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;

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# Read resources from open apk files passed over Binder.
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allow mediaserver apk_data_file:file { read getattr };
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allow mediaserver asec_apk_file:file { read getattr };
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# Read /data/data/com.android.providers.telephony files passed over Binder.
allow mediaserver radio_data_file:file { read getattr };

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# Use pipes passed over Binder from app domains.
allow mediaserver appdomain:fifo_file { getattr read write };

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# 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;

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# Camera data
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r_dir_file(mediaserver, camera_data_file)
r_dir_file(mediaserver, media_rw_data_file)
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# 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;
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# 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 };
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# Needed on some devices for playing DRM protected content,
# but seems expected and appropriate for all devices.
unix_socket_connect(mediaserver, drmserver, drmserver)
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# Needed on some devices for playing audio on paired BT device,
# but seems appropriate for all devices.
unix_socket_connect(mediaserver, bluetooth, bluetooth)
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# Connect to tee service.
allow mediaserver tee:unix_stream_socket connectto;
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allow mediaserver activity_service:service_manager find;
allow mediaserver appops_service:service_manager find;
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allow mediaserver batterystats_service:service_manager find;
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allow mediaserver drmserver_service:service_manager find;
allow mediaserver mediaserver_service:service_manager { add find };
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allow mediaserver permission_service:service_manager find;
allow mediaserver power_service:service_manager find;
allow mediaserver processinfo_service:service_manager find;
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allow mediaserver scheduling_policy_service:service_manager find;
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allow mediaserver surfaceflinger_service:service_manager find;
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# /oem access
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allow mediaserver oemfs:dir search;
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allow mediaserver oemfs:file r_file_perms;
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use_drmservice(mediaserver)
allow mediaserver drmserver:drmservice {
    consumeRights
    setPlaybackStatus
    openDecryptSession
    closeDecryptSession
    initializeDecryptUnit
    decrypt
    finalizeDecryptUnit
    pread
};