public void UpdateSlots(LinkedList <NormalBurst> bursts)
{
CleanupLamps(bursts);
foreach (NormalBurst burst in bursts)
{
if (burst.Direction == LibRXFFT.Libraries.GSM.Layer1.eLinkDirection.Downlink)
{
StatusLamp lamp = GetLamp(burst);
string status = "---";
switch (burst.State)
{
case NormalBurst.eBurstState.Idle:
status = "Idle";
lamp.State = eLampState.Grayed;
break;
case NormalBurst.eBurstState.PlainTraffic:
status = "not encrypted";
lamp.State = eLampState.Green;
break;
case NormalBurst.eBurstState.CryptedTraffic:
status = "encrypted";
lamp.State = eLampState.Red;
break;
case NormalBurst.eBurstState.DecryptedTraffic:
status = "encrypted (Kc: " + ByteUtil.BytesToString(burst.A5CipherKey) + ")";
lamp.State = eLampState.Yellow;
break;
}
lock (BurstLampMap)
{
BurstStatusMap[burst] = status;
}
lock (lblDetails)
{
if (CurrentHoveredBurst == burst)
{
string msg = "[" + burst.Name + "], TS: " + burst.TimeSlot + ", " + BurstStatusMap[burst];
BeginInvoke(new Action(() =>
{
lblDetails.Text = msg;
}));
}
}
}
}
}
protected static void AddScanResult(string request, byte[] result)
{
if (!UseCache)
{
return;
}
lock (ScanResults)
{
if (result != null)
{
ScanResults.Add(request, ByteUtil.BytesToString(result));
}
else
{
ScanResults.Add(request, NotFoundString);
}
SaveCache();
}
}
public static string[] DecodeTLPacketDownlink(byte[] pduData)
{
int pos = 0;
int elementLength = 0;
int tpMti = (pduData[0] & 0x03);
StringBuilder builder = new StringBuilder();
ArrayList messages = new ArrayList();
messages.Add("SMS-TL (GSM 03.40 9.2.2)");
builder.Append("Message type ");
string message = null;
string originating = null;
string timestamp = null;
switch (tpMti)
{
case 0:
{
/* GSM 03.40 9.2.2.1, http://www.slideshare.net/seanraz/10-slides-to-sms */
bool tpRp = (pduData[0] & 0x80) != 0;
bool tpUdhi = (pduData[0] & 0x40) != 0;
bool tpSri = (pduData[0] & 0x20) != 0;
bool tpMms = (pduData[0] & 0x04) != 0;
int tpDcs = 0;
int tpUdl = 0;
builder.Append("SMS-DELIVER");
messages.Add(builder.ToString());
builder.Length = 0;
builder.Append("More Messages " + (tpMms?"Yes":"No"));
messages.Add(builder.ToString());
builder.Length = 0;
builder.Append("Reply Path " + (tpRp ? "Yes" : "No"));
messages.Add(builder.ToString());
builder.Length = 0;
builder.Append("User Data Header " + (tpUdhi ? "Exists" : "None"));
messages.Add(builder.ToString());
builder.Length = 0;
builder.Append("Status Report " + (tpSri ? "Requested" : "Not requested"));
messages.Add(builder.ToString());
builder.Length = 0;
pos++;
/* second octet, TP-OA */
originating = DecodeAddress(pduData, pos, out elementLength);
builder.Append("Originating address ").Append(originating);
messages.Add(builder.ToString());
builder.Length = 0;
pos += elementLength;
/* TP-PID */
builder.Append("Protocol identifier ").Append(pduData[pos]);
messages.Add(builder.ToString());
builder.Length = 0;
pos++;
/* TP-DCS */
tpDcs = pduData[pos];
builder.Append("Data coding scheme ").Append(tpDcs);
messages.Add(builder.ToString());
builder.Length = 0;
pos++;
/* TP-SCTS */
timestamp = DecodeTimestamp(pduData, pos, out elementLength);
builder.Append("SC Timestamp ").Append(timestamp);
messages.Add(builder.ToString());
builder.Length = 0;
pos += elementLength;
/* TP-UDL */
tpUdl = pduData[pos];
builder.Append("TP-User Data length ").Append(tpUdl).Append(" characters");
messages.Add(builder.ToString());
builder.Length = 0;
pos++;
int udhLength = 0;
bool containsSMSOTA = false;
/* GSM 03.40 9.2.3.24 */
if (!tpUdhi)
{
builder.Append("TP-User Data Header ").Append("None");
messages.Add(builder.ToString());
builder.Length = 0;
udhLength = 0;
}
else
{
int udhPos = pos;
/* TP-UDH */
builder.Append("TP-User Data Header ").Append("Exists");
messages.Add(builder.ToString());
builder.Length = 0;
udhLength = pduData[pos] + 1;
builder.Append(" Header Length ");
builder.Append(udhLength).Append(" byte");
messages.Add(builder.ToString());
builder.Length = 0;
udhPos++;
while (udhPos < (pos + udhLength))
{
int type = pduData[udhPos++];
int length = pduData[udhPos++];
builder.Append(" Type ");
builder.Append(type);
messages.Add(builder.ToString());
builder.Length = 0;
builder.Append(" Length ");
builder.Append(length).Append(" byte");
messages.Add(builder.ToString());
builder.Length = 0;
builder.Append(" Content ");
for (int len = 0; len < length; len++)
{
builder.AppendFormat("{0:X02} ", pduData[udhPos + len]);
}
messages.Add(builder.ToString());
builder.Length = 0;
switch (type)
{
case 0:
int reference = pduData[udhPos];
int max = pduData[udhPos + 1];
int num = pduData[udhPos + 2];
builder.Append(" Decoded ");
builder.AppendFormat("Concatenated SMS. This is message {1} of {2} (ID: {0})", reference, num, max);
messages.Add(builder.ToString());
builder.Length = 0;
break;
case 1:
int indication = pduData[udhPos] & 0x7F;
bool store = (pduData[udhPos] & 0x80) != 0;
int msgs = pduData[udhPos + 1];
string msgType = "Unknown: " + indication;
switch (indication)
{
case 0:
msgType = "Voice Message";
break;
case 1:
msgType = "Fax Message";
break;
case 2:
msgType = "E-Mail Message";
break;
case 3:
msgType = "Other Message";
break;
}
builder.Append(" Decoded ");
builder.AppendFormat("Message notification, type: '{1}', messages: {2}, {0}", store ? "store this sms" : "don't store this sms", msgType, msgs);
messages.Add(builder.ToString());
builder.Length = 0;
break;
case 0x70:
int ccSize = pduData[udhPos];
containsSMSOTA = true;
builder.Append(" Decoded ");
builder.AppendFormat("SMS-PP Command Packet with size {0}", ccSize);
messages.Add(builder.ToString());
builder.Length = 0;
break;
default:
builder.Append(" Decoded ");
builder.AppendFormat("Unknown/Undefined ID 0x{0:X02}", type);
messages.Add(builder.ToString());
builder.Length = 0;
break;
}
udhPos += length;
}
}
/* TP-UD */
builder.Append("TP-User Data ");
int userdataPayload = pduData.Length - pos;
bool decoded = false;
int coding = -1;
/* no message class, plain text. still missing the special cases defined in GSM 03.38 */
if ((tpDcs & 0xF0) == 0)
{
coding = (tpDcs >> 2) & 3;
}
else if ((tpDcs & 0xF0) == 0x10)
{
/* message with message class */
coding = (tpDcs >> 2) & 3;
}
else if ((tpDcs & 0xF0) == 0xF0)
{
if ((tpDcs & 3) != 0)
{
/* message class other than 0 */
coding = tpDcs;
}
else
{
/* class 0 message */
if ((tpDcs & 4) != 0)
{
/* 8 bit data */
coding = 1;
}
else
{
/* 7 bit data */
coding = 0;
}
}
}
switch (coding)
{
case 0:
builder.Append("7 bit GSM alphabet");
messages.Add(builder.ToString());
builder.Length = 0;
message = DecodeGSM7Bit(pduData, pos, udhLength, tpUdl);
builder.Append(" Content ");
builder.Append(message);
messages.Add(builder.ToString());
builder.Length = 0;
decoded = true;
break;
case 1:
builder.Append("8 bit message");
messages.Add(builder.ToString());
builder.Length = 0;
message = DecodeASCII(pduData, pos, udhLength, tpUdl);
builder.Append(" Content ");
builder.Append(message);
messages.Add(builder.ToString());
builder.Length = 0;
decoded = true;
break;
case 2:
builder.Append("Unicode message");
messages.Add(builder.ToString());
builder.Length = 0;
message = DecodeUnicode(pduData, pos, udhLength, tpUdl);
builder.Append(" Content ");
builder.Append(message);
messages.Add(builder.ToString());
builder.Length = 0;
decoded = true;
break;
case 0xF5:
break;
/*
* need to check this:
* http://adywicaksono.wordpress.com/2008/05/21/understanding-gsm-0348/
* seems to be a good documentation to check against
*/
case 0xF6:
builder.Append("SMS-OTA (GSM-03.48)");
messages.Add(builder.ToString());
builder.Length = 0;
if (containsSMSOTA && pduData.Length > pos + 14)
{
int pLength = (pduData[pos] << 8) | pduData[pos + 1];
int hLength = pduData[pos + 2];
int spi1 = pduData[pos + 3];
int spi2 = pduData[pos + 4];
int kic = pduData[pos + 5];
int kid = pduData[pos + 6];
int tar = (pduData[pos + 7] << 16) | (pduData[pos + 8] << 8) | pduData[pos + 9];
uint cntr = ((uint)pduData[pos + 10] << 24) | (uint)(pduData[pos + 11] << 16) | (uint)(pduData[pos + 12] << 8) | (uint)pduData[pos + 13];
builder.Append(" Packet Length: ").Append(pLength);
messages.Add(builder.ToString());
builder.Length = 0;
builder.Append(" Header Length: ").Append(hLength);
messages.Add(builder.ToString());
builder.Length = 0;
/* SPI */
builder.Append(" SPI: ");
messages.Add(builder.ToString());
builder.Length = 0;
switch (spi1 & 3)
{
case 0:
builder.Append(" No RC, CC or DS");
break;
case 1:
builder.Append(" Redundancy Check");
break;
case 2:
builder.Append(" Cryptographic Checksum");
break;
case 3:
builder.Append(" Digital Signature");
break;
}
messages.Add(builder.ToString());
builder.Length = 0;
switch ((spi1 >> 2) & 1)
{
case 0:
builder.Append(" No Ciphering");
break;
case 1:
builder.Append(" Ciphering");
break;
}
messages.Add(builder.ToString());
builder.Length = 0;
switch ((spi1 >> 3) & 3)
{
case 0:
builder.Append(" No counter available");
break;
case 1:
builder.Append(" Counter available; no replay or sequence checking");
break;
case 2:
builder.Append(" Process if and only if counter value is higher than the value in the RE");
break;
case 3:
builder.Append(" Process if and only if counter value is one higher than");
break;
}
messages.Add(builder.ToString());
builder.Length = 0;
switch (spi2 & 3)
{
case 0:
builder.Append(" No PoR reply to the Sending Entity (SE)");
break;
case 1:
builder.Append(" PoR required to be sent to the SE");
break;
case 2:
builder.Append(" PoR required only when an error has occured");
break;
case 3:
builder.Append(" Reserved");
break;
}
messages.Add(builder.ToString());
builder.Length = 0;
switch ((spi2 >> 2) & 3)
{
case 0:
builder.Append(" No security applied to PoR response to SE");
break;
case 1:
builder.Append(" PoR response with simple RC applied to it");
break;
case 2:
builder.Append(" PoR response with CC applied to it");
break;
case 3:
builder.Append(" PoR response with DS applied to it");
break;
}
messages.Add(builder.ToString());
builder.Length = 0;
switch ((spi2 >> 4) & 1)
{
case 0:
builder.Append(" PoR response shall not be ciphered");
break;
case 1:
builder.Append(" PoR response shall be ciphered");
break;
}
messages.Add(builder.ToString());
builder.Length = 0;
switch ((spi2 >> 5) & 1)
{
case 0:
builder.Append(" PoR response shall be sent using SMS-DELIVER-REPORT");
break;
case 1:
builder.Append(" PoR response shall be sent using SMS-SUBMIT ");
break;
}
messages.Add(builder.ToString());
builder.Length = 0;
/* KIc */
builder.Append(" KIc: ");
messages.Add(builder.ToString());
builder.Length = 0;
switch (kic & 3)
{
case 0:
builder.Append(" Algorithm known implicitly by both entities");
break;
case 1:
builder.Append(" DES");
break;
case 2:
builder.Append(" Reserved");
break;
case 3:
builder.Append(" proprietary Implementations");
break;
}
switch ((kic >> 2) & 3)
{
case 0:
builder.Append(" DES in CBC mode");
break;
case 1:
builder.Append(" Triple DES in outer-CBC mode using two different keys");
break;
case 2:
builder.Append(" Triple DES in outer-CBC mode using three different keys");
break;
case 3:
builder.Append(" DES in ECB mode");
break;
}
messages.Add(builder.ToString());
builder.Length = 0;
builder.Append(" Using key #").Append((kic >> 4));
messages.Add(builder.ToString());
builder.Length = 0;
/* KID */
switch (kid & 3)
{
case 0:
builder.Append(" Algorithm known implicitly by both entities");
break;
case 1:
builder.Append(" DES");
break;
case 2:
builder.Append(" Reserved");
break;
case 3:
builder.Append(" proprietary Implementations");
break;
}
switch ((kid >> 2) & 3)
{
case 0:
builder.Append(" DES in CBC mode");
break;
case 1:
builder.Append(" Triple DES in outer-CBC mode using two different keys");
break;
case 2:
builder.Append(" Triple DES in outer-CBC mode using three different keys");
break;
case 3:
builder.Append(" DES in ECB mode");
break;
}
messages.Add(builder.ToString());
builder.Length = 0;
builder.Append(" Using key #").Append((kid >> 4));
messages.Add(builder.ToString());
builder.Length = 0;
/* counter */
builder.Append(" TAR: ").AppendFormat("{0:X06}", tar);
messages.Add(builder.ToString());
builder.Length = 0;
builder.Append(" CNTR: ").AppendFormat("{0:X08}", cntr);
messages.Add(builder.ToString());
builder.Length = 0;
decoded = true;
}
break;
}
if (!decoded)
{
builder.Append("Message with unknown data coding scheme - will not decode");
messages.Add(builder.ToString());
builder.Length = 0;
builder.Append(" Content ");
for (int len = pos; len < userdataPayload; len++)
{
builder.AppendFormat("{0:X02} ", pduData[len]);
}
messages.Add(builder.ToString());
builder.Length = 0;
}
break;
}
case 1:
{
builder.Append("SMS-SUBMIT-REPORT");
messages.Add(builder.ToString());
builder.Length = 0;
break;
}
case 2:
{
builder.Append("SMS-STATUS-REPORT");
messages.Add(builder.ToString());
builder.Length = 0;
pos++;
builder.Append("Message reference ").Append(pduData[pos]);
messages.Add(builder.ToString());
builder.Length = 0;
pos++;
builder.Append("Recipient address ").Append(DecodeAddress(pduData, pos, out elementLength));
messages.Add(builder.ToString());
builder.Length = 0;
pos += elementLength;
builder.Append("SC Timestamp ").Append(DecodeTimestamp(pduData, pos, out elementLength));
messages.Add(builder.ToString());
builder.Length = 0;
pos += elementLength;
builder.Append("Discharge time ").Append(DecodeTimestamp(pduData, pos, out elementLength));
messages.Add(builder.ToString());
builder.Length = 0;
pos += elementLength;
builder.Append("Status code ").Append(pduData[pos]);
messages.Add(builder.ToString());
builder.Length = 0;
pos++;
break;
}
case 3:
{
builder.Append("Reserved");
messages.Add(builder.ToString());
builder.Length = 0;
break;
}
}
if (timestamp != null && message != null && originating != null)
{
try
{
FileStream stream = File.Open("sms.txt", FileMode.Append, FileAccess.Write);
TextWriter writer = new StreamWriter(stream);
string key = "(failed)";
string ident = "(failed)";
string prevIdent = "";
try
{
key = ByteUtil.BytesToString(((LibRXFFT.Libraries.GSM.Layer1.Bursts.NormalBurst)LibRXFFT.Libraries.GSM.Layer1.TimeSlotHandler._HACK_Parameters.CurrentBurstHandler).A5CipherKey);
ident = ((LibRXFFT.Libraries.GSM.Layer1.Bursts.NormalBurst)LibRXFFT.Libraries.GSM.Layer1.TimeSlotHandler._HACK_Parameters.CurrentBurstHandler).PhoneIdentity.Trim().Replace("TMSI/P-TMSI ", "").Replace("IMSI ", "").Replace(" ", " ").PadRight(14);
prevIdent = ((LibRXFFT.Libraries.GSM.Layer1.Bursts.NormalBurst)LibRXFFT.Libraries.GSM.Layer1.TimeSlotHandler._HACK_Parameters.CurrentBurstHandler).PhoneIdentityPrev.Trim().Replace("TMSI/P-TMSI ", "").Replace("IMSI ", "").Replace(" ", " ").PadRight(14);
}
catch (Exception)
{
}
string identStr = "";
if (prevIdent != "")
{
identStr = prevIdent + " -> " + ident;
}
else
{
identStr = ident + " " + "".PadRight(14);
}
writer.WriteLine(originating.PadRight(16) + " | " + identStr + " | " + key + " | " + timestamp + " | " + message);
writer.Close();
}
catch (Exception)
{
}
}
return((string[])messages.ToArray(typeof(string)));
}
