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- # 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;
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