platform_system_sepolicy/public/hal_audio.te
Sunny Kapdi bc0c88f37d Bluetooth A2DP offload: Binder call to audio HAL
Add rule to allow Binder call from Bluetooth process to Bluetooth
audio HIDL interface running in audio HAL service process.

Bug: 72242910
Test: Manual; TestTracker/148125
Change-Id: I1981a78bece10b8e516f218d3edde8b77943d130
(cherry picked from commit e8cfac90e8)
2018-03-12 13:28:43 -07:00

36 lines
1.2 KiB
Text

# HwBinder IPC from client to server, and callbacks
binder_call(hal_audio_client, hal_audio_server)
binder_call(hal_audio_server, hal_audio_client)
add_hwservice(hal_audio_server, hal_audio_hwservice)
allow hal_audio_client hal_audio_hwservice:hwservice_manager find;
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 *;