Interworking: Add Network Auth Type element (AP)

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

hostapd/config_file.c

@@ -2429,6 +2429,34 @@ static int hostapd_config_fill(struct hostapd_config *conf,
 		} else if (os_strcmp(buf, "venue_name") == 0) {
 			if (parse_venue_name(bss, pos, line) < 0)
 				errors++;
+		} else if (os_strcmp(buf, "network_auth_type") == 0) {
+			u8 auth_type;
+			u16 redirect_url_len;
+			if (hexstr2bin(pos, &auth_type, 1)) {
+				wpa_printf(MSG_ERROR, "Line %d: Invalid "
+					   "network_auth_type '%s'",
+					   line, pos);
+				errors++;
+				return errors;
+			}
+			if (auth_type == 0 || auth_type == 2)
+				redirect_url_len = os_strlen(pos + 2);
+			else
+				redirect_url_len = 0;
+			os_free(bss->network_auth_type);
+			bss->network_auth_type =
+				os_malloc(redirect_url_len + 3 + 1);
+			if (bss->network_auth_type == NULL) {
+				errors++;
+				return errors;
+			}
+			*bss->network_auth_type = auth_type;
+			WPA_PUT_LE16(bss->network_auth_type + 1,
+				     redirect_url_len);
+			if (redirect_url_len)
+				os_memcpy(bss->network_auth_type + 3,
+					  pos + 2, redirect_url_len);
+			bss->network_auth_type_len = 3 + redirect_url_len;
 		} else if (os_strcmp(buf, "gas_frag_limit") == 0) {
 			bss->gas_frag_limit = atoi(pos);
 		} else if (os_strcmp(buf, "gas_comeback_delay") == 0) {

hostapd/hostapd.conf

@@ -1325,6 +1325,18 @@ own_ip_addr=127.0.0.1
 #venue_name=eng:Example venue
 #venue_name=fin:Esimerkkipaikka
 
+# Network Authentication Type
+# This parameter indicates what type of network authentication is used in the
+# network.
+# format: <network auth type indicator (1-octet hex str)> [redirect URL]
+# Network Authentication Type Indicator values:
+# 00 = Acceptance of terms and conditions
+# 01 = On-line enrollment supported
+# 02 = http/https redirection
+# 03 = DNS redirection
+#network_auth_type=00
+#network_auth_type=02http://www.example.com/redirect/me/here/
+
 ##### Hotspot 2.0 #############################################################
 
 # Enable Hotspot 2.0 support

src/ap/ap_config.c

@@ -498,6 +498,7 @@ static void hostapd_config_free_bss(struct hostapd_bss_config *conf)
 
 	os_free(conf->roaming_consortium);
 	os_free(conf->venue_name);
+	os_free(conf->network_auth_type);
 
 #ifdef CONFIG_RADIUS_TEST
 	os_free(conf->dump_msk_file);

src/ap/ap_config.h

@@ -391,6 +391,10 @@ struct hostapd_bss_config {
 	unsigned int venue_name_count;
 	struct hostapd_venue_name *venue_name;
 
+	/* IEEE 802.11u - Network Authentication Type */
+	u8 *network_auth_type;
+	size_t network_auth_type_len;
+
 	u16 gas_comeback_delay;
 	int gas_frag_limit;
 

src/ap/gas_serv.c

@@ -137,6 +137,8 @@ static void anqp_add_capab_list(struct hostapd_data *hapd,
 	wpabuf_put_le16(buf, ANQP_CAPABILITY_LIST);
 	if (hapd->conf->venue_name)
 		wpabuf_put_le16(buf, ANQP_VENUE_NAME);
+	if (hapd->conf->network_auth_type)
+		wpabuf_put_le16(buf, ANQP_NETWORK_AUTH_TYPE);
 	if (hapd->conf->roaming_consortium)
 		wpabuf_put_le16(buf, ANQP_ROAMING_CONSORTIUM);
 	gas_anqp_set_element_len(buf, len);
@@ -163,6 +165,18 @@ static void anqp_add_venue_name(struct hostapd_data *hapd, struct wpabuf *buf)
 }
 
 
+static void anqp_add_network_auth_type(struct hostapd_data *hapd,
+				       struct wpabuf *buf)
+{
+	if (hapd->conf->network_auth_type) {
+		wpabuf_put_le16(buf, ANQP_NETWORK_AUTH_TYPE);
+		wpabuf_put_le16(buf, hapd->conf->network_auth_type_len);
+		wpabuf_put_data(buf, hapd->conf->network_auth_type,
+				hapd->conf->network_auth_type_len);
+	}
+}
+
+
 static void anqp_add_roaming_consortium(struct hostapd_data *hapd,
 					struct wpabuf *buf)
 {
@@ -195,6 +209,8 @@ gas_serv_build_gas_resp_payload(struct hostapd_data *hapd,
 		anqp_add_capab_list(hapd, buf);
 	if (request & ANQP_REQ_VENUE_NAME)
 		anqp_add_venue_name(hapd, buf);
+	if (request & ANQP_REQ_NETWORK_AUTH_TYPE)
+		anqp_add_network_auth_type(hapd, buf);
 	if (request & ANQP_REQ_ROAMING_CONSORTIUM)
 		anqp_add_roaming_consortium(hapd, buf);
 
@@ -252,6 +268,11 @@ static void rx_anqp_query_list_id(struct hostapd_data *hapd, u16 info_id,
 		set_anqp_req(ANQP_REQ_VENUE_NAME, "Venue Name",
 			     hapd->conf->venue_name != NULL, 0, 0, qi);
 		break;
+	case ANQP_NETWORK_AUTH_TYPE:
+		set_anqp_req(ANQP_REQ_NETWORK_AUTH_TYPE, "Network Auth Type",
+			     hapd->conf->network_auth_type != NULL,
+			     0, 0, qi);
+		break;
 	case ANQP_ROAMING_CONSORTIUM:
 		set_anqp_req(ANQP_REQ_ROAMING_CONSORTIUM, "Roaming Consortium",
 			     hapd->conf->roaming_consortium != NULL, 0, 0, qi);

src/ap/gas_serv.h

@@ -13,6 +13,8 @@
 	(1 << (ANQP_CAPABILITY_LIST - ANQP_QUERY_LIST))
 #define ANQP_REQ_VENUE_NAME \
 	(1 << (ANQP_VENUE_NAME - ANQP_QUERY_LIST))
+#define ANQP_REQ_NETWORK_AUTH_TYPE \
+	(1 << (ANQP_NETWORK_AUTH_TYPE - ANQP_QUERY_LIST))
 #define ANQP_REQ_ROAMING_CONSORTIUM \
 	(1 << (ANQP_ROAMING_CONSORTIUM - ANQP_QUERY_LIST))