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update for latest proxmark protocol
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@g3gg0
g3gg0 committed Jan 24, 2024
1 parent 7b3376c commit aad7d88
Showing 1 changed file with 125 additions and 102 deletions.
227 changes: 125 additions & 102 deletions TeddyBench/Proxmark3.cs
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Original file line number Diff line number Diff line change
@@ -1,11 +1,13 @@
using ELFSharp.ELF;
using ScottPlot.Drawing.Colormaps;
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Ports;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using static TeddyBench.Proxmark3;

Expand Down Expand Up @@ -646,14 +648,8 @@ private bool UnlockTag(uint pass, ref int reason)

switch (response.Cmd)
{
case eCommandType.DebugString:
{
string debugStr = Encoding.UTF8.GetString(response.DataPtr, 0, response.DataLength).TrimEnd('\0');
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] UnlockTag: String '" + debugStr + "'");
break;
}

case eCommandType.ISO15693_SLIX_DISABLE_PRIVACY:
{
supported = true;
if (response.Status == 0)
{
Expand All @@ -667,26 +663,20 @@ private bool UnlockTag(uint pass, ref int reason)
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] UnlockTag: NACK (reason: " + reason + ")");
return false;
}
}
}

case eCommandType.NoData:
case eCommandType.Timeout:
reason = -1;
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] UnlockTag: timeout");
break;

case eCommandType.WTX:
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] WTX received: " + response.DataUInt16(0));
break;

default:
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] UnlockTag: Unhandled: " + response.Cmd);
break;
if (!HandleDefault(response))
{
break;
}
}
if(!supported)
{
throw new NotSupportedException();
}

return false;
}

private string UIDToString(byte[] uid)
Expand All @@ -698,68 +688,88 @@ private string UIDToString(byte[] uid)
return null;
}

[Flags]
public enum Iso15Command
{
ISO15_CONNECT = 1 << 0,
ISO15_NO_DISCONNECT = 1 << 1,
ISO15_RAW = 1 << 2,
ISO15_APPEND_CRC = 1 << 3,
ISO15_HIGH_SPEED = 1 << 4,
ISO15_READ_RESPONSE = 1 << 5,
ISO15_LONG_WAIT = 1 << 6,
}

public byte[] CreateIso15CommandBuffer(Iso15Command flags, byte[] command)
{
byte[] buf = new byte[3 + command.Length];
buf[0] = (byte)flags;
buf[1] = (byte)(command.Length & 0xFF);
buf[2] = (byte)(command.Length >> 8);
Array.Copy(command, 0, buf, 3, command.Length);

return buf;
}

private byte[] SendCommand(byte[] command)
{
if (Port == null)
{
return null;
}
byte[] ret = null;

byte[] buf = CreateIso15CommandBuffer(Iso15Command.ISO15_CONNECT | Iso15Command.ISO15_HIGH_SPEED | Iso15Command.ISO15_READ_RESPONSE, command);

Pm3UsbCommand cmd = new Pm3UsbCommand(eCommandType.ISO15693_COMMAND, (byte)command.Length, 1, 1, command);
Pm3UsbCommand cmd = new Pm3UsbCommand(eCommandType.ISO15693_COMMAND, (byte)buf.Length, 1, 1, buf);

LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] GetResponse: Send " + BitConverter.ToString(command).Replace("-", ""));
cmd.Write(Port);

int timeouts = 0;

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int successes = 0;

while (true)
{
Pm3UsbResponse response = new Pm3UsbResponse(Port);

switch (response.Cmd)
{
case eCommandType.DebugString:
{
string debugStr = Encoding.UTF8.GetString(response.DataPtr, 0, response.DataLength).TrimEnd('\0');
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] GetResponse: DebugMessage '" + debugStr + "'");
break;
}

case eCommandType.NoData:
case eCommandType.Timeout:
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] GetResponse: timeout, returning");
return null;

case eCommandType.ISO15693_COMMAND:
if (response.DataLength > 0)
{
byte[] ret = new byte[response.DataLength];

Array.Copy(response.DataPtr, ret, response.DataLength);
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] GetResponse: ACK, returning data (" + response.DataLength + ")");

if (!ISO15693.CheckChecksum(ret))
if (successes++ == 1)
{
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] GetResponse: ACK, but Checksum failed");
return null;
ret = new byte[response.DataLength];

Array.Copy(response.DataPtr, ret, response.DataLength);

if (!ISO15693.CheckChecksum(ret))
{
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] GetResponse: ACK, but Checksum failed");
return null;
}
return ret;
}

LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] GetResponse: ACK, returning data");

return ret;
continue;
}
else
{
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] GetResponse: no tag answered, returning");
return null;
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] GetResponse: no tag answered, continue");
continue;
}
}

case eCommandType.WTX:
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] WTX received: " + response.DataUInt16(0));
break;

default:
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] GetResponse: Unhandled: " + response.Cmd);
break;
if (!HandleDefault(response))
{
break;
}
}

return ret;
}

#region Send ISO15693 commands
Expand Down Expand Up @@ -846,31 +856,65 @@ private void EmulateTagInternal(byte[] data)

switch (response.Cmd)
{
case eCommandType.DebugString:
{
ushort flags = response.DataUInt16(0);
string debugStr = Encoding.UTF8.GetString(response.DataPtr, 2, response.DataLength - 2).TrimEnd('\0');
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] Emulate: DebugMessage(" + flags + ") '" + debugStr + "'");
break;
}

case eCommandType.NoData:
case eCommandType.Timeout:
//LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] Emulate: timeout, returning");
//return;
continue;

case eCommandType.ISO15693_SIMULATE:
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] Emulate: Done");
return;
continue;
}

default:
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] Emulate: Unhandled: " + response.Cmd);
break;
if (!HandleDefault(response))
{
break;
}
}
}

private bool HandleDefault(Pm3UsbResponse response)
{
switch (response.Cmd)
{
case eCommandType.DebugString:
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] DebugMessage " + HandleDebug(response) + "");
return true;

case eCommandType.WTX:
int wtx = response.DataUInt16(0);
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] WTX received: " + wtx);
Thread.Sleep(wtx);
return true;

case eCommandType.NoData:
case eCommandType.Timeout:
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] timeout, returning");
return false;

default:
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] Emulate: Unhandled: " + response.Cmd);
return true;
}

return false;

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}

public enum eDbprintfFlags
{
FLAG_RAWPRINT = 0x00,
FLAG_LOG = 0x01,
FLAG_NEWLINE = 0x02,
FLAG_INPLACE = 0x04,
FLAG_ANSI = 0x08
}

private string HandleDebug(Pm3UsbResponse response)
{
ushort flags = response.DataUInt16(0);
string debugStr = Encoding.UTF8.GetString(response.DataPtr, 2, response.DataLength - 2).TrimEnd('\0');

string ansiPattern = @"\e\[[0-9;]*m";
string filtered = Regex.Replace(debugStr, ansiPattern, "");

return "" + flags + " '" + filtered + "'";
}

public enum eMeasurementType
{
LFAntenna = 1,
Expand Down Expand Up @@ -921,28 +965,14 @@ private bool MeasureAntennaInternal(MeasurementResult result, eMeasurementType t
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] MeasureAntenna: Start");
cmd.Write(Port);

int timeouts = 0;

while (true)
{
Pm3UsbResponse response = new Pm3UsbResponse(Port);

switch (response.Cmd)
{
case eCommandType.DebugString:
{
string debugStr = Encoding.UTF8.GetString(response.DataPtr, 0, response.DataLength).TrimEnd('\0');
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] MeasureAntenna: DebugMessage '" + debugStr + "'");
break;
}

case eCommandType.WTX:
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] WTX received: " + response.DataUInt16(0));
continue;

case eCommandType.NoData:
case eCommandType.Timeout:
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] MeasureAntenna: timeout");
continue;

case eCommandType.MeasureAntennaTuning:
result.vLF134 = response.DataUInt32(0) * 0.002f;
result.vLF125 = response.DataUInt32(1) * 0.002f;
Expand All @@ -952,12 +982,18 @@ private bool MeasureAntennaInternal(MeasurementResult result, eMeasurementType t
result.divisor = response.DataUInt32(6);
Array.Copy(response.DataPtr, 4*7, result.amplitudes, 0, 256);
return true;
}

default:
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] MeasureAntenna: Unhandled: " + response.Cmd);
if (!HandleDefault(response))
{
if (timeouts++ > 10)
{
break;
}
}
}

return false;
}

public bool Detect()
Expand Down Expand Up @@ -1502,22 +1538,9 @@ internal override void EnterConsole()
{
Pm3UsbResponse response = new Pm3UsbResponse(Port);

switch (response.Cmd)
if (!HandleDefault(response))
{
case eCommandType.DebugString:
{
string debugStr = Encoding.UTF8.GetString(response.DataPtr, 0, response.DataLength).TrimEnd('\0');
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] GetResponse: DebugMessage '" + debugStr + "'");
break;
}

case eCommandType.NoData:
case eCommandType.Timeout:
break;

default:
LogWindow.Log(LogWindow.eLogLevel.Debug, "[PM3] GetResponse: Unhandled: " + response.Cmd);
break;
break;
}
}
}
Expand Down

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