platform_system_sepolicy/wpa_supplicant.te

# wpa - wpa supplicant or equivalent
type wpa, domain;
type wpa_exec, exec_type, file_type;

init_daemon_domain(wpa)
allow wpa kernel:system module_request;
allow wpa self:capability { setuid net_admin setgid net_raw };
allow wpa cgroup:dir create_dir_perms;
allow wpa self:netlink_route_socket *;
allow wpa self:netlink_socket *;
allow wpa self:packet_socket *;
allow wpa self:udp_socket *;
allow wpa wifi_data_file:dir create_dir_perms;
allow wpa wifi_data_file:file create_file_perms;
unix_socket_send(wpa, system_wpa, system_server)
allow wpa random_device:chr_file r_file_perms;

# Create a socket for receiving info from wpa
type_transition wpa wifi_data_file:sock_file wpa_socket;
allow wpa wpa_socket:dir { rw_dir_perms setattr };
allow wpa wpa_socket:sock_file create_file_perms;

# Allow wpa_cli to work. wpa_cli creates a socket in
# /data/misc/wifi/sockets which wpa supplicant communicates with.
userdebug_or_eng(`
  unix_socket_send(wpa, wpa, su)
')