More work on iclass

[proxmark3-svn] / client / cmdhficlass.c

diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c
index 03241467fdb1aa6acad19c194e936d16a91aa2bf..13ffc8ba750aecbbf598e0cc8cd306e3b83b2655 100644 (file)
--- a/client/cmdhficlass.c
+++ b/client/cmdhficlass.c
@@ -14,18 +14,147 @@
 #include <string.h>
 #include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type
 #include "data.h"
 #include <string.h>
 #include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type
 #include "data.h"

-#include "proxusb.h"
+//#include "proxusb.h"
+#include "proxmark3.h"

 #include "ui.h"
 #include "cmdparser.h"
 #include "cmdhficlass.h"
 #include "common.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "cmdhficlass.h"
 #include "common.h"

+#include "util.h"
+#include "cmdmain.h"

 
 static int CmdHelp(const char *Cmd);
 
 
 static int CmdHelp(const char *Cmd);
 

+int xorbits_8(uint8_t val)
+{
+       uint8_t res = val ^ (val >> 1); //1st pass
+       res = res ^ (res >> 1);                 // 2nd pass
+       res = res ^ (res >> 2);                 // 3rd pass
+       res = res ^ (res >> 4);                         // 4th pass
+       return res & 1;
+}
+

 int CmdHFiClassList(const char *Cmd)
 int CmdHFiClassList(const char *Cmd)

+{
+
+       bool ShowWaitCycles = false;
+       char param = param_getchar(Cmd, 0);
+
+       if (param != 0) {
+               PrintAndLog("List data in trace buffer.");
+               PrintAndLog("Usage:  hf iclass list");
+               PrintAndLog("h - help");
+               PrintAndLog("sample: hf iclass list");
+               return 0;
+       }
+
+       uint8_t got[1920];
+       GetFromBigBuf(got,sizeof(got),0);
+       WaitForResponse(CMD_ACK,NULL);
+
+       PrintAndLog("Recorded Activity");
+       PrintAndLog("");
+       PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
+       PrintAndLog("All times are in carrier periods (1/13.56Mhz)");
+       PrintAndLog("");
+       PrintAndLog("     Start |       End | Src | Data");
+       PrintAndLog("-----------|-----------|-----|--------");
+
+       int i;
+       uint32_t first_timestamp = 0;
+       uint32_t timestamp;
+       bool tagToReader;
+       uint32_t parityBits;
+       uint8_t len;
+       uint8_t *frame;
+       uint32_t EndOfTransmissionTimestamp = 0;
+
+
+       for( i=0; i < 1900;)
+       {
+               //First 32 bits contain
+               // isResponse (1 bit)
+               // timestamp (remaining)
+               //Then paritybits
+               //Then length
+               timestamp = *((uint32_t *)(got+i));
+               parityBits = *((uint32_t *)(got+i+4));
+               len = got[i+8];
+               frame = (got+i+9);
+               uint32_t next_timestamp = (*((uint32_t *)(got+i+9))) & 0x7fffffff;
+
+               tagToReader = timestamp & 0x80000000;
+               timestamp &= 0x7fffffff;
+
+               if(i==0) {
+                       first_timestamp = timestamp;
+               }
+
+               // Break and stick with current result if buffer was not completely full
+               if (frame[0] == 0x44 && frame[1] == 0x44 && frame[2] == 0x44 && frame[3] == 0x44) break;
+
+               char line[1000] = "";
+
+               if(len)//We have some data to display
+               {
+                       int j,oddparity;
+
+                       for(j = 0; j < len ; j++)
+                       {
+                               oddparity = 0x01 ^ xorbits_8(frame[j] & 0xFF);
+
+                               if (tagToReader && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
+                                       sprintf(line+(j*4), "%02x!  ", frame[j]);
+                               } else {
+                                       sprintf(line+(j*4), "%02x   ", frame[j]);
+                               }
+                       }
+               }else
+               {
+                       if (ShowWaitCycles) {
+                               sprintf(line, "fdt (Frame Delay Time): %d", (next_timestamp - timestamp));
+                       }
+               }
+
+               char *crc = "";
+
+               if(len > 2)
+               {
+                       uint8_t b1, b2;
+                       if(!tagToReader && len == 4) {
+                               // Rough guess that this is a command from the reader
+                               // For iClass the command byte is not part of the CRC
+                                       ComputeCrc14443(CRC_ICLASS, &frame[1], len-3, &b1, &b2);
+                       }
+                       else {
+                                 // For other data.. CRC might not be applicable (UPDATE commands etc.)
+                               ComputeCrc14443(CRC_ICLASS, frame, len-2, &b1, &b2);
+                       }
+
+                       if (b1 != frame[len-2] || b2 != frame[len-1]) {
+                               crc = (tagToReader & (len < 8)) ? "" : " !crc";
+                       }
+               }
+
+               i += (len + 9);
+               EndOfTransmissionTimestamp = (*((uint32_t *)(got+i))) & 0x7fffffff;
+
+               // Not implemented for iclass on the ARM-side
+               //if (!ShowWaitCycles) i += 9;
+
+               PrintAndLog(" %9d | %9d | %s | %s %s",
+                       (timestamp - first_timestamp),
+                       (EndOfTransmissionTimestamp - first_timestamp),
+                       (len?(tagToReader ? "Tag" : "Rdr"):"   "),
+                       line, crc);
+       }
+       return 0;
+}
+
+int CmdHFiClassListOld(const char *Cmd)

 {
   uint8_t got[1920];
 {
   uint8_t got[1920];

-  GetFromBigBuf(got, sizeof(got));
+  GetFromBigBuf(got,sizeof(got),0);

 
   PrintAndLog("recorded activity:");
   PrintAndLog(" ETU     :rssi: who bytes");
 
   PrintAndLog("recorded activity:");
   PrintAndLog(" ETU     :rssi: who bytes");


@@ -48,7 +177,9 @@ int CmdHFiClassList(const char *Cmd)
       isResponse = 0;
     }
 
       isResponse = 0;
     }
 

+

     int metric = 0;
     int metric = 0;

+

     int parityBits = *((uint32_t *)(got+i+4));
     // 4 bytes of additional information...
     // maximum of 32 additional parity bit information
     int parityBits = *((uint32_t *)(got+i+4));
     // 4 bytes of additional information...
     // maximum of 32 additional parity bit information


@@ -170,11 +301,131 @@ int CmdHFiClassSnoop(const char *Cmd)
   return 0;
 }
 
   return 0;
 }
 

+int CmdHFiClassSim(const char *Cmd)
+{
+  uint8_t simType = 0;
+  uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0};
+
+  if (strlen(Cmd)<1) {
+       PrintAndLog("Usage:  hf iclass sim [0 <CSN>] | x");
+       PrintAndLog("        options");
+       PrintAndLog("                0 <CSN> simulate the given CSN");
+       PrintAndLog("                1       simulate default CSN");
+       PrintAndLog("                2       iterate CSNs, gather MACs");
+       PrintAndLog("        sample: hf iclass sim 0 031FEC8AF7FF12E0");
+       PrintAndLog("        sample: hf iclass sim 2");
+       return 0;
+  }    
+
+  simType = param_get8(Cmd, 0);
+
+  if(simType == 0)
+  {
+         if (param_gethex(Cmd, 1, CSN, 16)) {
+                 PrintAndLog("A CSN should consist of 16 HEX symbols");
+                 return 1;
+         }
+         PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8));
+
+  }
+  if(simType > 2)
+  {
+         PrintAndLog("Undefined simptype %d", simType);
+         return 1;
+  }
+  uint8_t numberOfCSNs=0;
+
+  UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,numberOfCSNs}};
+  memcpy(c.d.asBytes, CSN, 8);
+
+  if(simType == 2)
+  {
+         c.arg[1] = 10;//10 CSNs
+         uint8_t csns[] ={
+                         /* Order    Simulated CSN                               HASH1           Recovered key bytes */
+                         /*   1   */ 0x00,0x0B,0x0F,0xFF,0xF7,0xFF,0x12,0xE0,// 0101000045014545 00,01 45
+                         /*   2   */  0x03,0x0B,0x0E,0xFE,0xF7,0xFF,0x12,0xE0,// 0202000045014545 02
+                         /*   3   */  0x04,0x0D,0x0D,0xFD,0xF7,0xFF,0x12,0xE0,// 0303000045014545 03
+                         /*   4   */  0x04,0x0F,0x0F,0xF7,0xF7,0xFF,0x12,0xE0,// 0901000045014545 09
+                         /*   5   */  0x01,0x13,0x10,0xF4,0xF7,0xFF,0x12,0xE0,// 0C00000045014545 0C
+                         /*   6   */  0x02,0x14,0x10,0xF2,0xF7,0xFF,0x12,0xE0,// 0E00000045014545 0E
+                         /*   7   */  0x05,0x17,0x10,0xEC,0xF7,0xFF,0x12,0xE0,// 1400000045014545 14
+                         /*   8   */  0x00,0x6B,0x6F,0xDF,0xF7,0xFF,0x12,0xE0,// 2121000045014545 21
+                         /*   9   */  0x03,0x6B,0x6E,0xDE,0xF7,0xFF,0x12,0xE0,// 2222000045014545 22
+                         /*   10  */  0x04,0x6D,0x6D,0xDD,0xF7,0xFF,0x12,0xE0,// 2323000045014545 23
+                         /*   11  */  0x00,0x4F,0x4B,0x43,0xF7,0xFF,0x12,0xE0,// 3D45000045014545 3D
+                         /*   12  */  0x00,0x4B,0x4F,0x3F,0xF7,0xFF,0x12,0xE0,// 4141000045014545 41
+                         /*   13  */  0x03,0x4B,0x4E,0x3E,0xF7,0xFF,0x12,0xE0,// 4242000045014545 42
+                         /*   14  */  0x04,0x4D,0x4D,0x3D,0xF7,0xFF,0x12,0xE0,// 4343000045014545 43
+                         /*   15  */  0x04,0x37,0x37,0x7F,0xF7,0xFF,0x12,0xE0,// 0159000045014545 59
+                         /*   16  */  0x00,0x2B,0x2F,0x9F,0xF7,0xFF,0x12,0xE0,// 6161000045014545 61
+                         /*   17  */  0x03,0x2B,0x2E,0x9E,0xF7,0xFF,0x12,0xE0,// 6262000045014545 62
+                         /*   18  */  0x04,0x2D,0x2D,0x9D,0xF7,0xFF,0x12,0xE0,// 6363000045014545 63
+                         /*   19  */  0x00,0x27,0x23,0xBB,0xF7,0xFF,0x12,0xE0,// 456D000045014545 6D
+                         /*   20  */  0x02,0x52,0xAA,0x80,0xF7,0xFF,0x12,0xE0,// 0066000045014545 66
+                         /*   21  */  0x00,0x5C,0xA6,0x80,0xF7,0xFF,0x12,0xE0,// 006A000045014545 6A
+                         /*   22  */  0x01,0x5F,0xA4,0x80,0xF7,0xFF,0x12,0xE0,// 006C000045014545 6C
+                         /*   23  */  0x06,0x5E,0xA2,0x80,0xF7,0xFF,0x12,0xE0,// 006E000045014545 6E
+                         /*   24  */  0x02,0x0E,0x0E,0xFC,0xF7,0xFF,0x12,0xE0,// 0402000045014545 04
+                         /*   25  */  0x05,0x0D,0x0E,0xFA,0xF7,0xFF,0x12,0xE0,// 0602000045014545 06
+                         /*   26  */  0x06,0x0F,0x0D,0xF9,0xF7,0xFF,0x12,0xE0,// 0703000045014545 07
+                         /*   27  */  0x00,0x01,0x05,0x1D,0xF7,0xFF,0x12,0xE0,// 630B000045014545 0B
+                         /*   28  */  0x02,0x07,0x01,0x1D,0xF7,0xFF,0x12,0xE0,// 630F000045014545 0F
+                         /*   29  */  0x04,0x7F,0x7F,0xA7,0xF7,0xFF,0x12,0xE0,// 5911000045014545 11
+                         /*   30  */  0x04,0x60,0x6E,0xE8,0xF7,0xFF,0x12,0xE0,// 1822000045014545 18
+                       };
+         memcpy(c.d.asBytes, csns, sizeof(c.d.asBytes));
+
+  }
+
+  SendCommand(&c);
+
+  /*UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
+  if (resp != NULL) {
+       uint8_t                isOK  = resp->arg[0] & 0xff;
+       PrintAndLog("isOk:%02x", isOK);
+  } else {
+       PrintAndLog("Command execute timeout");
+  }*/
+
+  return 0;
+}
+
+int CmdHFiClassReader(const char *Cmd)
+{
+  uint8_t readerType = 0;
+
+  if (strlen(Cmd)<1) {
+       PrintAndLog("Usage:  hf iclass reader    <reader type>");
+       PrintAndLog("        sample: hf iclass reader 0");
+       return 0;
+  }    
+
+  readerType = param_get8(Cmd, 0);
+  PrintAndLog("--readertype:%02x", readerType);
+
+  UsbCommand c = {CMD_READER_ICLASS, {readerType}};
+  //memcpy(c.d.asBytes, CSN, 8);
+  SendCommand(&c);
+
+  /*UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
+  if (resp != NULL) {
+       uint8_t                isOK  = resp->arg[0] & 0xff;
+       PrintAndLog("isOk:%02x", isOK);
+  } else {
+       PrintAndLog("Command execute timeout");
+  }*/
+
+  return 0;
+}
+

 static command_t CommandTable[] = 
 {
   {"help",    CmdHelp,        1, "This help"},
   {"list",    CmdHFiClassList,   0, "List iClass history"},
   {"snoop",   CmdHFiClassSnoop,  0, "Eavesdrop iClass communication"},
 static command_t CommandTable[] = 
 {
   {"help",    CmdHelp,        1, "This help"},
   {"list",    CmdHFiClassList,   0, "List iClass history"},
   {"snoop",   CmdHFiClassSnoop,  0, "Eavesdrop iClass communication"},

+  {"sim",     CmdHFiClassSim,    0, "Simulate iClass tag"},
+  {"reader",  CmdHFiClassReader, 0, "Read an iClass tag"},

   {NULL, NULL, 0, NULL}
 };
 
   {NULL, NULL, 0, NULL}
 };