ADD: added 'lf io sim <version> <facility.code> <cardnumber>' to the sim command

[proxmark3-svn] / client / cmdlfio.c

diff --git a/client/cmdlfio.c b/client/cmdlfio.c
index 78d8fa213a9d63d12c6a7542fe4ca6af5a13db62..826a26b2f443c0650cfea6027ca3e99c152d99c1 100644 (file)
--- a/client/cmdlfio.c
+++ b/client/cmdlfio.c
@@ -1,30 +1,66 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <inttypes.h>
-#include <limits.h>
-#include "proxmark3.h"
-#include "data.h"
-#include "graph.h"
-#include "ui.h"
-#include "cmdparser.h"
-#include "cmdmain.h"
-#include "cmddata.h"
-#include "cmdlf.h"
+#include "cmdlfio.h"

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

-int CmdIODemodFSK(const char *Cmd)
-{
-       int findone = 0;
-       if (Cmd[0] =='1') findone = 1;
-       
-       UsbCommand c={CMD_IO_DEMOD_FSK};
+int usage_lf_io_fskdemod(void) {
+       PrintAndLog("Enables IOProx compatible reader mode printing details of scanned tags.");
+       PrintAndLog("By default, values are printed and logged until the button is pressed or another USB command is issued.");
+       PrintAndLog("If the [1] option is provided, reader mode is exited after reading a single card.");
+       PrintAndLog("");
+       PrintAndLog("Usage:  lf io fskdemod [h] [1]");
+       PrintAndLog("Options :");
+       PrintAndLog("      h :  This help");
+       PrintAndLog("      1 : (optional) stop after reading a single card");
+       PrintAndLog("");
+       PrintAndLog("Samples");
+       PrintAndLog("        lf io fskdemod");
+       PrintAndLog("        lf io fskdemod 1");
+       return 0;
+}
+
+int usage_lf_io_sim(void) {
+       PrintAndLog("Enables simulation of IOProx card with specified facility-code and card number.");
+       PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
+       PrintAndLog("");
+       PrintAndLog("Usage:  lf io sim [h] <version> <facility-code> <card-number>");
+       PrintAndLog("Options :");
+       PrintAndLog("                h :  This help");  
+       PrintAndLog("        <version> :  8bit version");
+       PrintAndLog("  <facility-code> :  8bit value facility code");
+       PrintAndLog("    <card number> :  16bit value card number");
+       PrintAndLog("");
+       PrintAndLog("Samples");
+       PrintAndLog("       lf io sim 26 101 1337");
+       return 0;
+}
+
+int usage_lf_io_clone(void) {
+       PrintAndLog("Enables cloning of IOProx card with specified facility-code and card number onto T55x7.");
+       PrintAndLog("The T55x7 must be on the antenna when issuing this command.  T55x7 blocks are calculated and printed in the process.");
+       PrintAndLog("");
+       PrintAndLog("Usage:  lf awid clone [h] <version> <facility-code> <card-number> [Q5]");
+       PrintAndLog("Options :");
+       PrintAndLog("                h :  This help");  
+       PrintAndLog("        <version> :  8bit version");
+       PrintAndLog("  <facility-code> :  8bit value facility code");
+       PrintAndLog("    <card number> :  16bit value card number");
+       PrintAndLog("               Q5 :  optional - clone to Q5 (T5555) instead of T55x7 chip");
+       PrintAndLog("");
+       PrintAndLog("Samples");
+       PrintAndLog("       lf io clone 26 101 1337");
+       return 0;
+}
+
+int CmdIODemodFSK(const char *Cmd) {
+       if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_io_fskdemod();
+       int findone = (Cmd[0]=='1') ? 1 : 0;
+       UsbCommand c = {CMD_IO_DEMOD_FSK};

        c.arg[0] = findone;
        c.arg[0] = findone;

+       clearCommandBuffer();

        SendCommand(&c);
        return 0;
 }
        SendCommand(&c);
        return 0;
 }

-
+/*

 int CmdIOProxDemod(const char *Cmd){
   if (GraphTraceLen < 4800) {
     PrintAndLog("too short; need at least 4800 samples");
 int CmdIOProxDemod(const char *Cmd){
   if (GraphTraceLen < 4800) {
     PrintAndLog("too short; need at least 4800 samples");


@@ -37,50 +73,180 @@ int CmdIOProxDemod(const char *Cmd){
   RepaintGraphWindow();
   return 0;
 }  
   RepaintGraphWindow();
   return 0;
 }  

+*/

 
 

-int CmdIOClone(const char *Cmd)
-{
-  unsigned int hi = 0, lo = 0;
-  int n = 0, i = 0;
-  UsbCommand c;
+//Index map
+//0           10          20          30          40          50          60
+//|           |           |           |           |           |           |
+//01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23
+//-----------------------------------------------------------------------------
+//00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11
+//XSF(version)facility:codeone+codetwo (raw)
+int getIOProxBits(uint8_t version, uint8_t fc, uint16_t cn, uint8_t *bits) {
+#define SEPARATOR 1    
+       uint8_t pos=0;
+       // the return bits, preamble 0000 0000 0
+       uint8_t pre[64];
+       memset(pre, 0, sizeof(pre));

 
 

+       // skip 9 zeros as preamble
+       pos = 9;
+       
+       // another fixed byte 11110000 = 0xF0
+       num_to_bytebits(0xF0, 8, pre+pos);
+       pos += 8;
+       pre[pos] = SEPARATOR;
+       pos++;  
+       
+       // add facilitycode
+       num_to_bytebits(fc, 8, pre+pos);
+       pos += 8;
+       pre[pos] = SEPARATOR;
+       pos++;
+       
+       // add version
+       num_to_bytebits(version, 8, pre+pos);
+       pos += 8;
+       pre[pos] = SEPARATOR;
+       pos++;
+       
+       // cardnumber high byte
+       num_to_bytebits( ((cn & 0xFF00)>>8), 8, pre+pos);
+       pos += 8;
+       pre[pos] = SEPARATOR;
+       pos++;
+       
+       // cardnumber low byte
+       num_to_bytebits( (cn & 0xFF), 8, pre+pos);
+       pos += 8;
+       pre[pos] = SEPARATOR;
+       pos++;
+
+       // calculate and add CRC
+       uint16_t crc = 0;
+       for (uint8_t i=1; i<6; ++i)
+               crc += bytebits_to_byte(pre+9*i, 8);
+       
+       crc &= 0xFF;
+       crc = 0xff - crc;
+       num_to_bytebits(crc, 8, pre+pos);
+       pos += 8;
+               
+       // Final two ONES
+       pre[pos] = SEPARATOR;
+       pre[++pos] = SEPARATOR;
+
+       memcpy(bits, pre, sizeof(pre));
+       return 1;
+}
+
+int CmdIOSim(const char *Cmd) {
+       uint16_t cn = 0;
+       uint8_t version = 0, fc = 0;
+       uint8_t bits[64];
+       uint8_t *bs = bits;
+       size_t size = sizeof(bits);
+       memset(bs, 0x00, size);
+
+       uint64_t arg1 = ( 10 << 8 ) + 8; // fcHigh = 10, fcLow = 8
+       uint64_t arg2 = (64 << 8)| + 1; // clk RF/64 invert=1

   
   

-  //if (1 == sscanf(str, "0x%"SCNx32, &hi)) {
-    // value now contains the value in the string--decimal 255, in this case.
-  //}
-  
-  while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
-      hi = (hi << 4) | (lo >> 28);
-      lo = (lo << 4) | (n & 0xf);
-  }
+       char cmdp = param_getchar(Cmd, 0);
+       if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_io_sim();
+       
+       version = param_get8(Cmd, 0);
+       fc = param_get8(Cmd, 1);
+       cn = param_get32ex(Cmd, 2, 0, 10);

 
 

-  PrintAndLog("Cloning tag with ID %08x %08x", hi, lo);
+       if ( !version | !fc || !cn) return usage_lf_io_sim();
+       
+       if ((cn & 0xFFFF) != cn) {
+               cn &= 0xFFFF;
+               PrintAndLog("Card Number Truncated to 16-bits (IOProx): %u", cn);
+       }
+       
+       PrintAndLog("Emulating IOProx Version: %u FC: %u; CN: %u\n", version, fc, cn);
+       PrintAndLog("Press pm3-button to abort simulation or run another command");
+       
+       if ( !getIOProxBits(version, fc, cn, bs)) {
+               PrintAndLog("Error with tag bitstream generation.");
+               return 1;
+       }
+       // IOProx uses: fcHigh: 10, fcLow: 8, clk: 64, invert: 1
+       // arg1 --- fcHigh<<8 + fcLow
+       // arg2 --- Inversion and clk setting
+       // 64   --- Bitstream length: 64-bits == 8 bytes
+       UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};  
+       memcpy(c.d.asBytes, bs, size);
+       clearCommandBuffer();
+       SendCommand(&c);
+       return 0;
+}

 
 

-  c.cmd = CMD_IO_CLONE_TAG;
-  c.arg[0] = hi;
-  c.arg[1] = lo;
+int CmdIOClone(const char *Cmd) {
+       
+       uint32_t blocks[3] = {T55x7_MODULATION_FSK2a | T55x7_BITRATE_RF_64 | 2<<T55x7_MAXBLOCK_SHIFT, 0, 0};
+       uint16_t cn = 0;
+       uint8_t version = 0, fc = 0;
+       uint8_t bits[64];
+       uint8_t *bs=bits;
+       memset(bs,0,sizeof(bits));
+       
+       char cmdp = param_getchar(Cmd, 0);
+       if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_io_clone();

 
 

-  SendCommand(&c);
-  return 0;
+       version = param_get8(Cmd, 0);
+       fc = param_get8(Cmd, 1);
+       cn = param_get32ex(Cmd, 2, 0, 10);
+
+       if ( !version | !fc || !cn) return usage_lf_io_clone();
+       
+       if ((cn & 0xFFFF) != cn) {
+               cn &= 0xFFFF;
+               PrintAndLog("Card Number Truncated to 16-bits (IOProx): %u", cn);
+       }
+       
+//     if (param_getchar(Cmd, 4) == 'Q' || param_getchar(Cmd, 4) == 'q')
+               //t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
+//             blocks[0] = T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | 50<<T5555_BITRATE_SHIFT | 3<<T5555_MAXBLOCK_SHIFT;
+
+       if ( !getIOProxBits(version, fc, cn, bs)) {
+               PrintAndLog("Error with tag bitstream generation.");
+               return 1;
+       }       
+
+       blocks[1] = bytebits_to_byte(bs,32);
+       blocks[2] = bytebits_to_byte(bs+32,32);
+
+       PrintAndLog("Preparing to clone IOProx to T55x7 with Version: %u FC: %u, CN: %u", version, fc, cn);
+       PrintAndLog("Blk | Data ");
+       PrintAndLog("----+------------");
+       PrintAndLog(" 00 | 0x%08x", blocks[0]);
+       PrintAndLog(" 01 | 0x%08x", blocks[1]);
+       PrintAndLog(" 02 | 0x%08x", blocks[2]);
+       //UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
+       UsbCommand c = {CMD_IO_CLONE_TAG, {blocks[1],blocks[2],0}};
+       clearCommandBuffer();
+       SendCommand(&c);
+       return 0;

 }
 
 }
 

-static command_t CommandTable[] = 
-{
-  {"help",      CmdHelp,         1, "This help"},
-  {"demod",        CmdIOProxDemod,  1, "Demodulate Stream"},
-  {"fskdemod",  CmdIODemodFSK,   0, "['1'] Realtime IO FSK demodulator (option '1' for one tag only)"},
-  {"clone",        CmdIOClone,      0, "Clone ioProx Tag"},
-  {NULL, NULL, 0, NULL}
+static command_t CommandTable[] = {
+       {"help",        CmdHelp,                1, "This help"},
+       //{"demod",     CmdIOProxDemod, 1, "Demodulate Stream"},
+       {"fskdemod",CmdIODemodFSK,      0, "['1'] Realtime IO FSK demodulator (option '1' for one tag only)"},
+       {"sim",         CmdIOSim,               0, "<version> <facility-code> <card number> -- IOProx tag simulator"},
+       {"clone",       CmdIOClone,             0, "<version> <facility-code> <card number> <Q5> -- Clone IOProx to T55x7"},
+       {NULL, NULL, 0, NULL}

 };
 
 };
 

-int CmdLFIO(const char *Cmd)
-{
-  CmdsParse(CommandTable, Cmd);
-  return 0; 
+int CmdLFIO(const char *Cmd){
+       clearCommandBuffer();
+       CmdsParse(CommandTable, Cmd);
+       return 0; 

 }
 
 }
 

-int CmdHelp(const char *Cmd)
-{
-  CmdsHelp(CommandTable);
-  return 0;
-}
\ No newline at end of file
+int CmdHelp(const char *Cmd) {
+       CmdsHelp(CommandTable);
+       return 0;
+}