| # HwBinder IPC from clients to server and callbacks |
| binder_call(hal_camera_client, hal_camera_server) |
| binder_call(hal_camera_server, hal_camera_client) |
| |
| #binder IPC from client to service manager and callbacks |
| binder_use(hal_camera_server) |
| |
| hal_attribute_hwservice(hal_camera, hal_camera_hwservice) |
| hal_attribute_service(hal_camera, hal_camera_service) |
| |
| allow hal_camera device:dir r_dir_perms; |
| allow hal_camera video_device:dir r_dir_perms; |
| allow hal_camera video_device:chr_file rw_file_perms; |
| allow hal_camera camera_device:chr_file rw_file_perms; |
| allow hal_camera ion_device:chr_file rw_file_perms; |
| allow hal_camera dmabuf_system_heap_device:chr_file r_file_perms; |
| |
| # Both the client and the server need to use the graphics allocator |
| allow { hal_camera_client hal_camera_server } hal_graphics_allocator:fd use; |
| |
| # Allow hal_camera to use fd from app,gralloc,and ashmem HAL |
| allow hal_camera { appdomain -isolated_app }:fd use; |
| allow hal_camera surfaceflinger:fd use; |
| allow hal_camera hal_allocator_server:fd use; |
| |
| # Needed to provide debug dump output via dumpsys' pipes. |
| allow hal_camera shell:fd use; |
| allow hal_camera shell:fifo_file write; |
| |
| ### |
| ### neverallow rules |
| ### |
| |
| # hal_camera should never execute any executable without a |
| # domain transition |
| neverallow hal_camera_server { file_type fs_type }:file execute_no_trans; |
| |
| # hal_camera should never need network access. Disallow network sockets. |
| neverallow hal_camera_server { domain userdebug_or_eng(`-su') }:{ tcp_socket udp_socket rawip_socket } *; |
| |
| # Only camera HAL may directly access the camera hardware |
| neverallow { halserverdomain -hal_camera_server } camera_device:chr_file *; |