Update nm-wireguard-service.c

for try code @yanzilisan183  from max-moser#62

src/nm-wireguard-service.c

@@ -391,14 +391,60 @@ set_config(NMVpnServicePlugin *plugin, NMConnection *connection)
 	setting = get_setting(s_vpn, NM_WG_KEY_DNS);
 	if(setting){
 		// TODO
+
 		val = g_variant_new_string(setting);
-		g_variant_builder_add(&dns_builder, "{ss}", NMV_WG_TAG_DNS, val);
+		g_variant_builder_add(&dns_builder, "{sv}", NMV_WG_TAG_DNS, val);
 		has_dns = TRUE;
 	}
 
 	setting = get_setting(s_vpn, NM_WG_KEY_ENDPOINT);
 	if(setting){
-		// TODO
+		char *p;
+		int q = 0;
+		int l = strlen(setting);
+		for(int i=0; i<l; i++){
+			if(setting[i]==':'){
+				q++;
+			}
+		}
+		if(q>1){
+			// Look like IPv6
+			val = ip6_to_gvariant(setting);
+			if(val){
+				g_variant_builder_add(&builder, "{sv}", NM_VPN_PLUGIN_CONFIG_EXT_GATEWAY, val);
+			}
+		}else{
+			// IPv4 or domain name.
+			p = strstr(setting, ":");
+			if(p){
+				// Delete :port.
+ 			p[0]='\0'; 
+			}
+			val = ip4_to_gvariant(setting);
+			if(val){
+				// Is IP address. 
+				// NM_VPN_PLUGIN_IP4_CONFIG_GATEWAY == NM_VPN_PLUGIN_IP4_CONFIG_EXT_GATEWAY == NM_VPN_PLUGIN_CONFIG_EXT_GATEWAY
+				g_variant_builder_add(&builder, "{sv}", NM_VPN_PLUGIN_CONFIG_EXT_GATEWAY, val);
+			}else{
+				// Is hostname or domain name.
+				struct hostent *host;
+				char buff[17];
+				if ((host = gethostbyname2(setting, AF_INET)) != NULL){
+					inet_ntop(AF_INET, (struct in_addr *)host->h_addr_list[0], buff, sizeof(buff));
+					val = ip4_to_gvariant(buff);
+					if(val){
+						g_variant_builder_add(&builder, "{sv}", NM_VPN_PLUGIN_CONFIG_EXT_GATEWAY, val);
+					}
+				}else if((host = gethostbyname2(setting, AF_INET6)) != NULL){
+					inet_ntop(AF_INET6, (struct in_addr *)host->h_addr_list[0], buff, sizeof(buff));
+					val = ip6_to_gvariant(buff);
+					if(val){
+						g_variant_builder_add(&builder, "{sv}", NM_VPN_PLUGIN_CONFIG_EXT_GATEWAY, val);
+					}
+				}
+			}
+		}
+
 	}
 
 	setting = get_setting(s_vpn, NM_WG_KEY_MTU);