2  * Wi-Fi Protected Setup - External Registrar (SSDP)
28 	int max_age = -1;  in wps_er_ssdp_rx()
33 	nread = recvfrom(sd, buf, sizeof(buf) - 1, 0,  in wps_er_ssdp_rx()
38 	if (er->filter_addr.s_addr &&  in wps_er_ssdp_rx()
39 	    er->filter_addr.s_addr != addr.sin_addr.s_addr)  in wps_er_ssdp_rx()
47 	if (sd == er->multicast_sd) {  in wps_er_ssdp_rx()
48 		/* Reply to M-SEARCH */  in wps_er_ssdp_rx()
52 		/* Unsolicited message (likely NOTIFY or M-SEARCH) */  in wps_er_ssdp_rx()
62 			if (pos[-1] == '\r')  in wps_er_ssdp_rx()
63 				pos[-1] = '\0';  in wps_er_ssdp_rx()
66 		if (os_strstr(start, "schemas-wifialliance-org:device:"  in wps_er_ssdp_rx()
69 		if (os_strstr(start, "schemas-wifialliance-org:service:"  in wps_er_ssdp_rx()
80 		} else if (os_strncasecmp(start, "CACHE-CONTROL:", 14) == 0) {  in wps_er_ssdp_rx()
82 			pos2 = os_strstr(start, "max-age=");  in wps_er_ssdp_rx()
117 		return; /* No max-age reported */  in wps_er_ssdp_rx()
120 		   "(packet source: %s  max-age: %d)",  in wps_er_ssdp_rx()
129 	struct wpabuf *msg;  in wps_er_send_ssdp_msearch()  local
132 	msg = wpabuf_alloc(500);  in wps_er_send_ssdp_msearch()
133 	if (msg == NULL)  in wps_er_send_ssdp_msearch()
136 	wpabuf_put_str(msg,  in wps_er_send_ssdp_msearch()
137 		       "M-SEARCH * HTTP/1.1\r\n"  in wps_er_send_ssdp_msearch()
141 		       "ST: urn:schemas-wifialliance-org:device:WFADevice:1"  in wps_er_send_ssdp_msearch()
150 	if (sendto(er->multicast_sd, wpabuf_head(msg), wpabuf_len(msg), 0,  in wps_er_send_ssdp_msearch()
152 		wpa_printf(MSG_DEBUG, "WPS ER: M-SEARCH sendto failed: "  in wps_er_send_ssdp_msearch()
155 	wpabuf_free(msg);  in wps_er_send_ssdp_msearch()
161 	if (add_ssdp_network(er->ifname)) {  in wps_er_ssdp_init()
164 		return -1;  in wps_er_ssdp_init()
167 	er->multicast_sd = ssdp_open_multicast_sock(er->ip_addr,  in wps_er_ssdp_init()
168 						    er->forced_ifname ?  in wps_er_ssdp_init()
169 						    er->ifname : NULL);  in wps_er_ssdp_init()
170 	if (er->multicast_sd < 0) {  in wps_er_ssdp_init()
173 		return -1;  in wps_er_ssdp_init()
176 	er->ssdp_sd = ssdp_listener_open();  in wps_er_ssdp_init()
177 	if (er->ssdp_sd < 0) {  in wps_er_ssdp_init()
180 		return -1;  in wps_er_ssdp_init()
183 	if (eloop_register_sock(er->multicast_sd, EVENT_TYPE_READ,  in wps_er_ssdp_init()
185 	    eloop_register_sock(er->ssdp_sd, EVENT_TYPE_READ,  in wps_er_ssdp_init()
187 		return -1;  in wps_er_ssdp_init()
197 	if (er->multicast_sd >= 0) {  in wps_er_ssdp_deinit()
198 		eloop_unregister_sock(er->multicast_sd, EVENT_TYPE_READ);  in wps_er_ssdp_deinit()
199 		close(er->multicast_sd);  in wps_er_ssdp_deinit()
201 	if (er->ssdp_sd >= 0) {  in wps_er_ssdp_deinit()
202 		eloop_unregister_sock(er->ssdp_sd, EVENT_TYPE_READ);  in wps_er_ssdp_deinit()
203 		close(er->ssdp_sd);  in wps_er_ssdp_deinit()