blob: e699a6bac737acca643a88b2bad72f78dcc505c4 [file] [log] [blame]
# 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;
r_dir_file(hal_cas, cgroup_v2)
allow hal_cas cgroup_v2:dir { search write };
allow hal_cas cgroup_v2: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;