29 static int wpa_priv_cmd(struct l2_packet_data *l2, int cmd,  in wpa_priv_cmd()  argument
43 	msg.msg_name = &l2->priv_addr;  in wpa_priv_cmd()
44 	msg.msg_namelen = sizeof(l2->priv_addr);  in wpa_priv_cmd()
46 	if (sendmsg(l2->fd, &msg, 0) < 0) {  in wpa_priv_cmd()
47 		wpa_printf(MSG_ERROR, "L2: sendmsg(cmd): %s", strerror(errno));  in wpa_priv_cmd()
55 int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr)  in l2_packet_get_own_addr()  argument
57 	os_memcpy(addr, l2->own_addr, ETH_ALEN);  in l2_packet_get_own_addr()
62 int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,  in l2_packet_send()  argument
81 	msg.msg_name = &l2->priv_addr;  in l2_packet_send()
82 	msg.msg_namelen = sizeof(l2->priv_addr);  in l2_packet_send()
84 	if (sendmsg(l2->fd, &msg, 0) < 0) {  in l2_packet_send()
85 		wpa_printf(MSG_ERROR, "L2: sendmsg(packet_send): %s",  in l2_packet_send()
96 	struct l2_packet_data *l2 = eloop_ctx;  in l2_packet_receive()  local
111 		wpa_printf(MSG_DEBUG, "L2: Too show packet received");  in l2_packet_receive()
116 	    os_strncmp(from.sun_path, l2->priv_addr.sun_path,  in l2_packet_receive()
118 		wpa_printf(MSG_DEBUG, "L2: Received message from unexpected "  in l2_packet_receive()
123 	l2->rx_callback(l2->rx_callback_ctx, buf, buf + ETH_ALEN,  in l2_packet_receive()
134 	struct l2_packet_data *l2;  in l2_packet_init()  local
146 	l2 = os_zalloc(sizeof(struct l2_packet_data));  in l2_packet_init()
147 	if (l2 == NULL)  in l2_packet_init()
149 	l2->rx_callback = rx_callback;  in l2_packet_init()
150 	l2->rx_callback_ctx = rx_callback_ctx;  in l2_packet_init()
153 	l2->own_socket_path = os_malloc(len);  in l2_packet_init()
154 	if (l2->own_socket_path == NULL) {  in l2_packet_init()
155 		os_free(l2);  in l2_packet_init()
158 	os_snprintf(l2->own_socket_path, len, "%s/wpa_privsep-l2-%d-%d",  in l2_packet_init()
161 	l2->priv_addr.sun_family = AF_UNIX;  in l2_packet_init()
162 	os_snprintf(l2->priv_addr.sun_path, sizeof(l2->priv_addr.sun_path),  in l2_packet_init()
165 	l2->fd = socket(PF_UNIX, SOCK_DGRAM, 0);  in l2_packet_init()
166 	if (l2->fd < 0) {  in l2_packet_init()
168 		os_free(l2->own_socket_path);  in l2_packet_init()
169 		l2->own_socket_path = NULL;  in l2_packet_init()
170 		os_free(l2);  in l2_packet_init()
176 	os_strlcpy(addr.sun_path, l2->own_socket_path, sizeof(addr.sun_path));  in l2_packet_init()
177 	if (bind(l2->fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) {  in l2_packet_init()
178 		wpa_printf(MSG_ERROR, "l2-pkt-privsep: bind(PF_UNIX): %s",  in l2_packet_init()
185 	if (wpa_priv_cmd(l2, PRIVSEP_CMD_L2_REGISTER, reg_cmd, sizeof(reg_cmd))  in l2_packet_init()
187 		wpa_printf(MSG_ERROR, "L2: Failed to register with wpa_priv");  in l2_packet_init()
192 	FD_SET(l2->fd, &rfds);  in l2_packet_init()
195 	res = select(l2->fd + 1, &rfds, NULL, NULL, &tv);  in l2_packet_init()
201 	if (FD_ISSET(l2->fd, &rfds)) {  in l2_packet_init()
202 		res = recv(l2->fd, reply, sizeof(reply), 0);  in l2_packet_init()
208 		wpa_printf(MSG_DEBUG, "L2: Timeout while waiting for "  in l2_packet_init()
214 		wpa_printf(MSG_DEBUG, "L2: Unexpected registration reply "  in l2_packet_init()
217 	os_memcpy(l2->own_addr, reply, ETH_ALEN);  in l2_packet_init()
220 		eloop_register_read_sock(l2->fd, l2_packet_receive, l2, NULL);  in l2_packet_init()
222 	return l2;  in l2_packet_init()
225 	close(l2->fd);  in l2_packet_init()
226 	l2->fd = -1;  in l2_packet_init()
227 	unlink(l2->own_socket_path);  in l2_packet_init()
228 	os_free(l2->own_socket_path);  in l2_packet_init()
229 	l2->own_socket_path = NULL;  in l2_packet_init()
230 	os_free(l2);  in l2_packet_init()
247 void l2_packet_deinit(struct l2_packet_data *l2)  in l2_packet_deinit()  argument
249 	if (l2 == NULL)  in l2_packet_deinit()
252 	if (l2->fd >= 0) {  in l2_packet_deinit()
253 		wpa_priv_cmd(l2, PRIVSEP_CMD_L2_UNREGISTER, NULL, 0);  in l2_packet_deinit()
254 		eloop_unregister_read_sock(l2->fd);  in l2_packet_deinit()
255 		close(l2->fd);  in l2_packet_deinit()
258 	if (l2->own_socket_path) {  in l2_packet_deinit()
259 		unlink(l2->own_socket_path);  in l2_packet_deinit()
260 		os_free(l2->own_socket_path);  in l2_packet_deinit()
263 	os_free(l2);  in l2_packet_deinit()
267 int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)  in l2_packet_get_ip_addr()  argument
274 void l2_packet_notify_auth_start(struct l2_packet_data *l2)  in l2_packet_notify_auth_start()  argument
276 	wpa_priv_cmd(l2, PRIVSEP_CMD_L2_NOTIFY_AUTH_START, NULL, 0);  in l2_packet_notify_auth_start()
280 int l2_packet_set_packet_filter(struct l2_packet_data *l2,  in l2_packet_set_packet_filter()  argument