platform_system_sepolicy/prebuilts/api/30.0/public/hal_cas.te
Inseob Kim 5131ff6544 DO NOT MERGE Add fake 30.0 prebuilts
This prebuilt is based on the AOSP policy, but slightly manipulated so
that the set of types and attributes are identical with R policy.

Following types are removed.

boot_status_prop
dalvik_config_prop
gnss_device
surfaceflinger_color_prop
surfaceflinger_prop
systemsound_config_prop
vold_config_prop
vold_status_prop

Following type is renamed.

wificond_service -> wifinl80211_service

Bug: 153661471
Test: N/A
Change-Id: I018d5e43f53c2bf721db1d13f5f4be42b9782b29
2020-05-11 13:18:52 +09:00

34 lines
1.1 KiB
Text

# HwBinder IPC from client to server, and callbacks
binder_call(hal_cas_client, hal_cas_server)
binder_call(hal_cas_server, hal_cas_client)
hal_attribute_hwservice(hal_cas, hal_cas_hwservice)
allow hal_cas_server hidl_memory_hwservice:hwservice_manager find;
# Permit reading device's serial number from system properties
get_prop(hal_cas_server, serialno_prop)
# Read files already opened under /data
allow hal_cas system_data_file:file { getattr read };
# Read access to pseudo filesystems
r_dir_file(hal_cas, cgroup)
allow hal_cas cgroup:dir { search write };
allow hal_cas cgroup:file w_file_perms;
# Allow access to ion memory allocation device
allow hal_cas ion_device:chr_file rw_file_perms;
allow hal_cas hal_graphics_allocator:fd use;
allow hal_cas tee_device:chr_file rw_file_perms;
###
### neverallow rules
###
# hal_cas should never execute any executable without a
# domain transition
neverallow hal_cas_server { file_type fs_type }:file execute_no_trans;
# do not allow privileged socket ioctl commands
neverallowxperm hal_cas_server domain:{ rawip_socket tcp_socket udp_socket } ioctl priv_sock_ioctls;