1# HwBinder IPC from client to server 2binder_call(hal_wifi_supplicant_client, hal_wifi_supplicant_server) 3binder_call(hal_wifi_supplicant_server, hal_wifi_supplicant_client) 4 5add_hwservice(hal_wifi_supplicant_server, hal_wifi_supplicant_hwservice) 6allow hal_wifi_supplicant_client hal_wifi_supplicant_hwservice:hwservice_manager find; 7 8# in addition to ioctls allowlisted for all domains, grant hal_wifi_supplicant priv_sock_ioctls. 9allowxperm hal_wifi_supplicant self:udp_socket ioctl priv_sock_ioctls; 10 11r_dir_file(hal_wifi_supplicant, sysfs_type) 12r_dir_file(hal_wifi_supplicant, proc_net) 13 14allow hal_wifi_supplicant kernel:system module_request; 15allow hal_wifi_supplicant self:capability { setuid net_admin setgid net_raw }; 16allow hal_wifi_supplicant cgroup:dir create_dir_perms; 17allow hal_wifi_supplicant self:netlink_route_socket nlmsg_write; 18allow hal_wifi_supplicant self:netlink_socket create_socket_perms_no_ioctl; 19allow hal_wifi_supplicant self:netlink_generic_socket create_socket_perms_no_ioctl; 20allow hal_wifi_supplicant self:packet_socket create_socket_perms; 21allowxperm hal_wifi_supplicant self:packet_socket ioctl { unpriv_sock_ioctls priv_sock_ioctls unpriv_tty_ioctls }; 22allow hal_wifi_supplicant wifi_data_file:dir create_dir_perms; 23allow hal_wifi_supplicant wifi_data_file:file create_file_perms; 24 25# Create a socket for receiving info from wpa 26allow hal_wifi_supplicant wpa_socket:dir create_dir_perms; 27allow hal_wifi_supplicant wpa_socket:sock_file create_file_perms; 28 29# Allow wpa_cli to work. wpa_cli creates a socket in 30# /data/misc/wifi/sockets which hal_wifi_supplicant supplicant communicates with. 31userdebug_or_eng(` 32 unix_socket_send(hal_wifi_supplicant, wpa, su) 33') 34 35### 36### neverallow rules 37### 38 39# wpa_supplicant should not trust any data from sdcards 40neverallow hal_wifi_supplicant_server sdcard_type:dir ~getattr; 41neverallow hal_wifi_supplicant_server sdcard_type:file *; 42