# HwBinder IPC from client to server, and callbacks
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binder_call(hal_audio_client, hal_audio_server)
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binder_call(hal_audio_server, hal_audio_client)
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hal_attribute_hwservice(hal_audio, hal_audio_hwservice)
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allow hal_audio ion_device:chr_file r_file_perms;
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r_dir_file(hal_audio, proc)
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r_dir_file(hal_audio, proc_asound)
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allow hal_audio_server audio_device:dir r_dir_perms;
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allow hal_audio_server audio_device:chr_file rw_file_perms;
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# Needed to provide debug dump output via dumpsys' pipes.
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allow hal_audio shell:fd use;
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allow hal_audio shell:fifo_file write;
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allow hal_audio dumpstate:fd use;
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allow hal_audio dumpstate:fifo_file write;
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# allow hal audio to use vnbinder
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vndbinder_use(hal_audio)
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###
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### neverallow rules
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###
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# Should never execute any executable without a domain transition
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neverallow hal_audio_server { file_type fs_type }:file execute_no_trans;
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# Should never need network access.
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# Disallow network sockets.
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neverallow hal_audio_server domain:{ tcp_socket udp_socket rawip_socket } *;
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# Only audio HAL may directly access the audio hardware
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neverallow { halserverdomain -hal_audio_server -hal_omx_server } audio_device:chr_file *;
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get_prop(hal_audio, bluetooth_a2dp_offload_prop)
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get_prop(hal_audio, bluetooth_audio_hal_prop)
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