Beispiel #1
0
        /// <summary>
        /// Get the port control URL from the gateway.
        /// </summary>

        bool GetControlURL(string url)
        {
            string response = Tools.GetResponse(WebRequest.Create(url));

            if (string.IsNullOrEmpty(response))
            {
                return(false);
            }

            // For me the full hierarchy of nodes was:
            // root -> device -> deviceList -> device (again) -> deviceList (again) -> service,
            // where the <serviceType> node had an identifier ending in one of the prefixes below.
            // The service node with this type then contained <controlURL> node with the actual URL.
            // TLDR: It's just a hell of a lot easier to go straight for the prize instead.

            // IP gateway (Router, cable modem)
            mServiceType = "WANIPConnection";
            int offset = response.IndexOf(mServiceType);

            // PPP gateway (ADSL modem)
            if (offset == -1)
            {
                mServiceType = "WANPPPConnection";
                offset       = response.IndexOf(mServiceType);
                if (offset == -1)
                {
                    return(false);
                }
            }

            int end = response.IndexOf("</service>", offset);

            if (end == -1)
            {
                return(false);
            }

            int start = response.IndexOf("<controlURL>", offset, end - offset);

            if (start == -1)
            {
                return(false);
            }
            start += 12;

            end = response.IndexOf("</controlURL>", start, end - start);
            if (end == -1)
            {
                return(false);
            }

            // Final URL
            mControlURL = mGatewayURL + response.Substring(start, end - start);
            return(true);
        }
Beispiel #2
0
        /// <summary>
        /// Send a SOAP request to the gateway.
        /// Some routers (like my NETGEAR RangeMax) seem to fail requests for no reason, so repetition may be needed.
        /// </summary>

        string SendRequest(string action, string content, int timeout, int repeat)
        {
            string request = "<?xml version=\"1.0\"?>\n" +
                             "<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\" s:encodingStyle=" +
                             "\"http://schemas.xmlsoap.org/soap/encoding/\">\n<s:Body>\n" +
                             "<m:" + action + " xmlns:m=\"urn:schemas-upnp-org:service:" + mServiceType + ":1\">\n";

            if (!string.IsNullOrEmpty(content))
            {
                request += content;
            }

            request += "</m:" + action + ">\n</s:Body>\n</s:Envelope>\n";

            byte[] b = Encoding.UTF8.GetBytes(request);

            string response = null;

            try
            {
                for (int i = 0; i < repeat; ++i)
                {
                    WebRequest web = HttpWebRequest.Create(mControlURL);
                    web.Timeout = timeout;
                    web.Method  = "POST";
                    web.Headers.Add("SOAPACTION", "\"urn:schemas-upnp-org:service:" + mServiceType + ":1#" + action + "\"");
                    web.ContentType   = "text/xml; charset=\"utf-8\"";
                    web.ContentLength = b.Length;
                    web.GetRequestStream().Write(b, 0, b.Length);
                    response = Tools.GetResponse(web);
                    if (!string.IsNullOrEmpty(response))
                    {
                        return(response);
                    }
                }
            }
            catch (System.Exception) { }
            return(null);
        }