platform_system_sepolicy/public/hal_audio.te
Steven Moreland 9234e00daf hal_attribute_hwservice_client drop '_client'
Since this attribute just associates a hal_attribute
with a given hwservice in the standard way.

Bug: 80319537
Test: boot + sanity + test for denials
Change-Id: I545de165515387317e6920ce8f5e8c491f9ab24e
2018-06-06 09:30:18 -07:00

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