Some smart guy wrote code below,but it cann't not work well now(he analyze packets from google map), Because the address of google map website change.
String url = "http://www.google.com/glm/mmap";; //this url is not available now,so code cann't not work well //even url is correct,packets may change .but i don't know how to do that and //this code if work well in mobile. using System; using System.IO; using System.Net; using System.Windows.Forms; //---Based on code written by "Neil Young" ([email protected]) //---Source: http://maps.alphadex.de/datafiles/fct0e1b11782832f02.cs(it cann't not be accessed now) namespace GoogleMaps { class GMM { static byte[] PostData(int MCC, int MNC, int LAC, int CID, bool shortCID) { /* The shortCID parameter follows heuristic experiences: * Sometimes UMTS CIDs are build up from the original GSM CID (lower 4 hex digits) * and the RNC-ID left shifted into the upper 4 digits. */ byte[] pd = new byte[] { 0x00, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x00, 0x00, 0x00, // Offset 0x11 0x00, 0x00, 0x00, 0x00, // Offset 0x15 0x00, 0x00, 0x00, 0x00, // Offset 0x19 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Offset 0x1f 0x00, 0x00, 0x00, 0x00, // Offset 0x23 0x00, 0x00, 0x00, 0x00, // Offset 0x27 0x00, 0x00, 0x00, 0x00, // Offset 0x2b 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }; bool isUMTSCell = ((Int64)CID > 65535); if (isUMTSCell) //Console.WriteLine("UMTS CID. {0}", shortCID ? // "Using short CID to resolve." : ""); MessageBox.Show("UMTS CID. {0}", shortCID ? "Using short CID to resolve." : ""); else //Console.WriteLine("GSM CID given."); MessageBox.Show("GSM CID given."); if (shortCID) CID &= 0xFFFF; /* Attempt to resolve the cell using the GSM CID part */ if ((Int64)CID > 65536) /* GSM: 4 hex digits, UTMS: 6 hex digits */ pd[0x1c] = 5; else pd[0x1c] = 3; pd[0x11] = (byte)((MNC >> 24) & 0xFF); pd[0x12] = (byte)((MNC >> 16) & 0xFF); pd[0x13] = (byte)((MNC >> 8) & 0xFF); pd[0x14] = (byte)((MNC >> 0) & 0xFF); pd[0x15] = (byte)((MCC >> 24) & 0xFF); pd[0x16] = (byte)((MCC >> 16) & 0xFF); pd[0x17] = (byte)((MCC >> 8) & 0xFF); pd[0x18] = (byte)((MCC >> 0) & 0xFF); pd[0x27] = (byte)((MNC >> 24) & 0xFF); pd[0x28] = (byte)((MNC >> 16) & 0xFF); pd[0x29] = (byte)((MNC >> 8) & 0xFF); pd[0x2a] = (byte)((MNC >> 0) & 0xFF); pd[0x2b] = (byte)((MCC >> 24) & 0xFF); pd[0x2c] = (byte)((MCC >> 16) & 0xFF); pd[0x2d] = (byte)((MCC >> 8) & 0xFF); pd[0x2e] = (byte)((MCC >> 0) & 0xFF); pd[0x1f] = (byte)((CID >> 24) & 0xFF); pd[0x20] = (byte)((CID >> 16) & 0xFF); pd[0x21] = (byte)((CID >> 8) & 0xFF); pd[0x22] = (byte)((CID >> 0) & 0xFF); pd[0x23] = (byte)((LAC >> 24) & 0xFF); pd[0x24] = (byte)((LAC >> 16) & 0xFF); pd[0x25] = (byte)((LAC >> 8) & 0xFF); pd[0x26] = (byte)((LAC >> 0) & 0xFF); return pd; } static public string GetLatLng(string[] args) { if (args.Length < 4) { return string.Empty; } string shortCID = ""; /* Default, no change at all */ if (args.Length == 5) shortCID = args[4].ToLower(); try { //this url is not available now,so code cann't not work well //even url is correct,packets may change .but i don't know how to do that and //this code if work well in mobile. String url = "http://www.google.com/glm/mmap";; HttpWebRequest req = (HttpWebRequest)WebRequest.Create ( new Uri(url)); req.Method = "POST"; int MCC = Convert.ToInt32(args[0]); int MNC = Convert.ToInt32(args[1]); int LAC = Convert.ToInt32(args[2]); int CID = Convert.ToInt32(args[3]); byte[] pd = PostData(MCC, MNC, LAC, CID, shortCID == "shortcid"); req.ContentLength = pd.Length; req.ContentType = "application/binary"; Stream outputStream = req.GetRequestStream(); outputStream.Write(pd, 0, pd.Length); outputStream.Close(); HttpWebResponse res = (HttpWebResponse)req.GetResponse (); byte[] ps = new byte[res.ContentLength]; int totalBytesRead = 0; while (totalBytesRead < ps.Length) { totalBytesRead += res.GetResponseStream().Read( ps, totalBytesRead, ps.Length - totalBytesRead); } if (res.StatusCode == HttpStatusCode.OK) { short opcode1 = (short)(ps[0] << 8 | ps[1]); byte opcode2 = ps[2]; int ret_code = (int)((ps[3] << 24) | (ps[4] << 16) | (ps[5] << 8) | (ps[6])); if (ret_code == 0) { double lat = ((double)((ps[7] << 24) | (ps[8] << 16) | (ps[9] << 8) | (ps[10]))) / 1000000; double lon = ((double)((ps[11] << 24) | (ps [12] << 16) | (ps[13] << 8) | (ps [14]))) / 1000000; return lat + "|" + lon; } else return string.Empty; } else return string.Empty; } catch (Exception) { return string.Empty; } } } } --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Maps API" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/Google-Maps-API?hl=en -~----------~----~----~----~------~----~------~--~---
