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38 lines
1.2 KiB
38 lines
1.2 KiB
# 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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add_hwservice(hal_audio_server, hal_audio_hwservice) |
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allow hal_audio_client hal_audio_hwservice:hwservice_manager find; |
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allow hal_audio ion_device:chr_file r_file_perms; |
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userdebug_or_eng(` |
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# used for pcm capture for debug. |
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allow hal_audio audiohal_data_file:dir create_dir_perms; |
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allow hal_audio audiohal_data_file:file create_file_perms; |
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') |
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r_dir_file(hal_audio, proc) |
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allow hal_audio audio_device:dir r_dir_perms; |
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allow hal_audio 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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### |
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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 { 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 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 } audio_device:chr_file *;
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