# 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 *;