d12993f084
System services differ in designed access level. Add attributes reflecting this distinction and label services appropriately. Begin moving access to the newly labeled services by removing them from tmp_system_server_service into the newly made system_server_service attribute. Reflect the move of system_server_service from a type to an attribute by removing access to system_server_service where appropriate. Change-Id: I7fd06823328daaea6d6f96e4d6bd00332382230b
112 lines
3.7 KiB
Text
112 lines
3.7 KiB
Text
# mediaserver - multimedia daemon
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type mediaserver, domain;
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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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unix_socket_connect(mediaserver, property, init)
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r_dir_file(mediaserver, sdcard_type)
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binder_use(mediaserver)
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binder_call(mediaserver, binderservicedomain)
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binder_call(mediaserver, appdomain)
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binder_service(mediaserver)
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allow mediaserver self:process execmem;
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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;
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allow mediaserver app_data_file:file rw_file_perms;
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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;
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allow mediaserver audio_device:dir r_dir_perms;
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allow mediaserver tee_device:chr_file rw_file_perms;
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allow mediaserver audio_prop:property_service set;
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# Access audio devices at all.
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allow mediaserver audio_device:chr_file rw_file_perms;
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# XXX Label with a specific type?
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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.
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allow mediaserver radio_data_file:file { read getattr };
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# Use pipes passed over Binder from app domains.
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allow mediaserver appdomain:fifo_file { getattr read write };
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# Access camera device.
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allow mediaserver camera_device:chr_file rw_file_perms;
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allow mediaserver rpmsg_device:chr_file rw_file_perms;
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# Inter System processes communicate over named pipe (FIFO)
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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)
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r_dir_file(mediaserver, media_rw_data_file)
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# Grant access to audio files to mediaserver
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allow mediaserver audio_data_file:dir ra_dir_perms;
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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
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allow mediaserver qtaguid_proc:file rw_file_perms;
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allow mediaserver qtaguid_device:chr_file r_file_perms;
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# Allow abstract socket connection
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allow mediaserver rild:unix_stream_socket { connectto read write setopt };
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# Needed on some devices for playing DRM protected content,
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# but seems expected and appropriate for all devices.
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unix_socket_connect(mediaserver, drmserver, drmserver)
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# Needed on some devices for playing audio on paired BT device,
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# but seems appropriate for all devices.
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unix_socket_connect(mediaserver, bluetooth, bluetooth)
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# Connect to tee service.
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allow mediaserver tee:unix_stream_socket connectto;
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allow mediaserver drmserver_service:service_manager find;
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allow mediaserver mediaserver_service:service_manager { add find };
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allow mediaserver surfaceflinger_service:service_manager find;
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allow mediaserver tmp_system_server_service:service_manager find;
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service_manager_local_audit_domain(mediaserver)
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auditallow mediaserver {
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tmp_system_server_service
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-activity_service
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-appops_service
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-batterystats_service
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-permission_service
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-power_service
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-processinfo_service
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-scheduling_policy_service
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}: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)
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allow mediaserver drmserver:drmservice {
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consumeRights
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setPlaybackStatus
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openDecryptSession
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closeDecryptSession
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initializeDecryptUnit
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decrypt
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finalizeDecryptUnit
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pread
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};
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