[proxmark3-svn] / client / cmdhf14a.c

//-----------------------------------------------------------------------------
// 2011, Merlok
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// High frequency ISO14443A commands
//-----------------------------------------------------------------------------

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "util.h"
#include "iso14443crc.h"
#include "data.h"
#include "proxusb.h"
#include "ui.h"
#include "cmdparser.h"
#include "cmdhf14a.h"
#include "common.h"
#include "cmdmain.h"
#include "sleep.h"

static int CmdHelp(const char *Cmd);

int CmdHF14AList(const char *Cmd)
{
  uint8_t got[1920];
  GetFromBigBuf(got,sizeof(got),0);

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

  int i = 0;
  int prev = -1;

  for (;;) {
    if(i >= 1900) {
      break;
    }

    bool isResponse;
    int timestamp = *((uint32_t *)(got+i));
    if (timestamp & 0x80000000) {
      timestamp &= 0x7fffffff;
      isResponse = 1;
    } else {
      isResponse = 0;
    }

    int metric = 0;
    int parityBits = *((uint32_t *)(got+i+4));
    // 4 bytes of additional information...
    // maximum of 32 additional parity bit information
    //
    // TODO:
    // at each quarter bit period we can send power level (16 levels)
    // or each half bit period in 256 levels.


    int len = got[i+8];

    if (len > 100) {
      break;
    }
    if (i + len >= 1900) {
      break;
    }

    uint8_t *frame = (got+i+9);

    // Break and stick with current result if buffer was not completely full
    if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }

    char line[1000] = "";
    int j;
    for (j = 0; j < len; j++) {
      int oddparity = 0x01;
      int k;

      for (k=0;k<8;k++) {
        oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
      }

      //if((parityBits >> (len - j - 1)) & 0x01) {
      if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
        sprintf(line+(j*4), "%02x!  ", frame[j]);
      }
      else {
        sprintf(line+(j*4), "%02x   ", frame[j]);
      }
    }

    char *crc;
    crc = "";
    if (len > 2) {
      uint8_t b1, b2;
      for (j = 0; j < (len - 1); j++) {
        // gives problems... search for the reason..
        /*if(frame[j] == 0xAA) {
          switch(frame[j+1]) {
            case 0x01:
              crc = "[1] Two drops close after each other";
            break;
            case 0x02:
              crc = "[2] Potential SOC with a drop in second half of bitperiod";
              break;
            case 0x03:
              crc = "[3] Segment Z after segment X is not possible";
              break;
            case 0x04:
              crc = "[4] Parity bit of a fully received byte was wrong";
              break;
            default:
              crc = "[?] Unknown error";
              break;
          }
          break;
        }*/
      }

      if (strlen(crc)==0) {
        ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2);
        if (b1 != frame[len-2] || b2 != frame[len-1]) {
          crc = (isResponse & (len < 6)) ? "" : " !crc";
        } else {
          crc = "";
        }
      }
    } else {
      crc = ""; // SHORT
    }

    char metricString[100];
    if (isResponse) {
      sprintf(metricString, "%3d", metric);
    } else {
      strcpy(metricString, "   ");
    }

    PrintAndLog(" +%7d: %s: %s %s %s",
      (prev < 0 ? 0 : (timestamp - prev)),
      metricString,
      (isResponse ? "TAG" : "   "), line, crc);

    prev = timestamp;
    i += (len + 9);
  }
	return 0;
}

void iso14a_set_timeout(uint32_t timeout) {
	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
	SendCommand(&c);
}

int CmdHF14AReader(const char *Cmd)
{
	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
	char param[256]={0};
	
	if( 3 == param_getstr(Cmd,0,param) && !strcmp("con",param))
	{
	  c.arg[0]|=ISO14A_NO_DISCONNECT;
		PrintAndLog("KEEP connected!\n");
	}
	
	if( 3 == param_getstr(Cmd,0,param) && !strcmp("dis",param))
	{
	  c.arg[0] = 0;
		PrintAndLog("disconnected!\n");
		SendCommand(&c);
		return 0;
	}
	
	SendCommand(&c);
	UsbCommand * resp = WaitForResponse(CMD_ACK);
	uint8_t              * uid  = resp->d.asBytes;
	iso14a_card_select_t * card = (iso14a_card_select_t *)(uid + 12);

	if(resp->arg[0] == 0) {
		PrintAndLog("iso14443a card select failed");
		return 0;
	}

	PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
	PrintAndLog(" UID : %s", sprint_hex(uid, 12));
	PrintAndLog(" SAK : %02x [%d]", card->sak, resp->arg[0]);

	switch (card->sak) {
		case 0x00: PrintAndLog(" SAK : NXP MIFARE Ultralight | Ultralight C"); break;
		case 0x04: PrintAndLog(" SAK : NXP MIFARE (various !DESFire !DESFire EV1)"); break;

		case 0x08: PrintAndLog(" SAK : NXP MIFARE CLASSIC 1k | Plus 2k"); break;
		case 0x09: PrintAndLog(" SAK : NXP MIFARE Mini 0.3k"); break;
		case 0x10: PrintAndLog(" SAK : NXP MIFARE Plus 2k"); break;
		case 0x11: PrintAndLog(" SAK : NXP MIFARE Plus 4k"); break;
		case 0x18: PrintAndLog(" SAK : NXP MIFARE Classic 4k | Plus 4k"); break;
		case 0x20: PrintAndLog(" SAK : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k | JCOP 31/41"); break;
		case 0x24: PrintAndLog(" SAK : NXP MIFARE DESFire | DESFire EV1"); break;
		case 0x28: PrintAndLog(" SAK : JCOP31 or JCOP41 v2.3.1"); break;
		case 0x38: PrintAndLog(" SAK : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
		case 0x88: PrintAndLog(" SAK : Infineon MIFARE CLASSIC 1K"); break;
		case 0x98: PrintAndLog(" SAK : Gemplus MPCOS"); break;
		default: ;
	}
	if(resp->arg[0] == 1) {
		bool ta1 = 0, tb1 = 0, tc1 = 0;
		int pos;

		PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
		if (card->ats_len > 0) {
			PrintAndLog("       -  TL : length is %d bytes", card->ats[0]);
		}
		if (card->ats_len > 1) {
			ta1 = (card->ats[1] & 0x10) == 0x10;
			tb1 = (card->ats[1] & 0x20) == 0x20;
			tc1 = (card->ats[1] & 0x40) == 0x40;
			PrintAndLog("       -  T0 : TA1 is%s present, TB1 is%s present, "
					"TC1 is%s present, FSCI is %d",
				(ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
				(card->ats[1] & 0x0f));
		}
		pos = 2;
		if (ta1 && card->ats_len > pos) {
			char dr[16], ds[16];
			dr[0] = ds[0] = '\0';
			if (card->ats[pos] & 0x10) strcat(ds, "2, ");
			if (card->ats[pos] & 0x20) strcat(ds, "4, ");
			if (card->ats[pos] & 0x40) strcat(ds, "8, ");
			if (card->ats[pos] & 0x01) strcat(dr, "2, ");
			if (card->ats[pos] & 0x02) strcat(dr, "4, ");
			if (card->ats[pos] & 0x04) strcat(dr, "8, ");
			if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
			if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
			PrintAndLog("       - TA1 : different divisors are%s supported, "
					"DR: [%s], DS: [%s]",
					(card->ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
			pos++;
		}
		if (tb1 && card->ats_len > pos) {
			PrintAndLog("       - TB1 : SFGI = %d, FWI = %d",
					(card->ats[pos] & 0x08),
					(card->ats[pos] & 0x80) >> 4);
			pos++;
		}
		if (tc1 && card->ats_len > pos) {
			PrintAndLog("       - TC1 : NAD is%s supported, CID is%s supported",
					(card->ats[pos] & 0x01) ? "" : " NOT",
					(card->ats[pos] & 0x02) ? "" : " NOT");
			pos++;
		}
		if (card->ats_len > pos) {
			char *tip = "";
			if (card->ats_len - pos > 7) {
				if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
					tip = "-> MIFARE Plus X 2K or 4K";
				} else if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
					tip = "-> MIFARE Plus S 2K or 4K";
				}
			} 
			PrintAndLog("       -  HB : %s%s", sprint_hex(card->ats + pos, card->ats_len - pos - 2), tip);
			if (card->ats[pos] == 0xC1) {
				PrintAndLog("               c1 -> Mifare or (multiple) virtual cards of various type");
				PrintAndLog("                  %02x -> Length is %d bytes",
						card->ats[pos + 1], card->ats[pos + 1]);
				switch (card->ats[pos + 2] & 0xf0) {
					case 0x10:
						PrintAndLog("                     1x -> MIFARE DESFire");
						break;
					case 0x20:
						PrintAndLog("                     2x -> MIFARE Plus");
						break;
				}
				switch (card->ats[pos + 2] & 0x0f) {
					case 0x00:
						PrintAndLog("                     x0 -> <1 kByte");
						break;
					case 0x01:
						PrintAndLog("                     x0 -> 1 kByte");
						break;
					case 0x02:
						PrintAndLog("                     x0 -> 2 kByte");
						break;
					case 0x03:
						PrintAndLog("                     x0 -> 4 kByte");
						break;
					case 0x04:
						PrintAndLog("                     x0 -> 8 kByte");
						break;
				}
				switch (card->ats[pos + 3] & 0xf0) {
					case 0x00:
						PrintAndLog("                        0x -> Engineering sample");
						break;
					case 0x20:
						PrintAndLog("                        2x -> Released");
						break;
				}
				switch (card->ats[pos + 3] & 0x0f) {
					case 0x00:
						PrintAndLog("                        x0 -> Generation 1");
						break;
					case 0x01:
						PrintAndLog("                        x1 -> Generation 2");
						break;
					case 0x02:
						PrintAndLog("                        x2 -> Generation 3");
						break;
				}
				switch (card->ats[pos + 4] & 0x0f) {
					case 0x00:
						PrintAndLog("                           x0 -> Only VCSL supported");
						break;
					case 0x01:
						PrintAndLog("                           x1 -> VCS, VCSL, and SVC supported");
						break;
					case 0x0E:
						PrintAndLog("                           xE -> no VCS command supported");
						break;
				}
			}
		}
	}
	else
		PrintAndLog("proprietary non-iso14443a card found, RATS not supported");

	return resp->arg[0];
}

// Collect ISO14443 Type A UIDs
int CmdHF14ACUIDs(const char *Cmd)
{
	// requested number of UIDs
	int n = atoi(Cmd);
	// collect at least 1 (e.g. if no parameter was given)
	n = n > 0 ? n : 1;

	PrintAndLog("Collecting %d UIDs", n);
	PrintAndLog("Start: %u", time(NULL));
	// repeat n times
	for (int i = 0; i < n; i++) {
		// execute anticollision procedure
		UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
		SendCommand(&c);
		UsbCommand *resp = WaitForResponse(CMD_ACK);
		uint8_t *uid  = resp->d.asBytes;
		iso14a_card_select_t *card = (iso14a_card_select_t *)(uid + 12);

		// check if command failed
		if (resp->arg[0] == 0) {
			PrintAndLog("Card select failed.");
		} else {
			// check if UID is 4 bytes
			if ((card->atqa[1] & 0xC0) == 0) {
				PrintAndLog("%02X%02X%02X%02X",
				            *uid, *(uid + 1), *(uid + 2), *(uid + 3));
			} else {
				PrintAndLog("UID longer than 4 bytes");
			}
		}
	}
	PrintAndLog("End: %u", time(NULL));

	return 1;
}

// ## simulate iso14443a tag
// ## greg - added ability to specify tag UID
int CmdHF14ASim(const char *Cmd)
{
	UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
	
	// Retrieve the tag type
	uint8_t tagtype = param_get8ex(Cmd,0,0,10);
	
	// When no argument was given, just print help message
	if (tagtype == 0) {
		PrintAndLog("");
		PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
		PrintAndLog("");
		PrintAndLog("   syntax: hf 14a sim <type> <uid>");
		PrintAndLog("    types: 1 = MIFARE Classic");
		PrintAndLog("           2 = MIFARE Ultralight");
		PrintAndLog("           3 = MIFARE DESFIRE");
		PrintAndLog("           4 = ISO/IEC 14443-4");
		PrintAndLog("");
		return 1;
	}
	
	// Store the tag type
	c.arg[0] = tagtype;
	
	// Retrieve the full 4 or 7 byte long uid 
	uint64_t long_uid = param_get64ex(Cmd,1,0,16);

	// Are we handling the (optional) second part uid?
	if (long_uid > 0xffffffff) {
		PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014llx)",long_uid);
		// Store the second part
		c.arg[2] = (long_uid & 0xffffffff);
		long_uid >>= 32;
		// Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
		c.arg[1] = (long_uid & 0xffffff);
	} else {
		PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
		// Only store the first part
		c.arg[1] = long_uid & 0xffffffff;
	}
/*
		// At lease save the mandatory first part of the UID
		c.arg[0] = long_uid & 0xffffffff;

	
	// At lease save the mandatory first part of the UID
	c.arg[0] = long_uid & 0xffffffff;
	
	if (c.arg[1] == 0) {
		PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
	}
	
	switch (c.arg[0]) {
		case 1: {
			PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
			UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
		} break;
		case 2: {
			PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
		} break;
		default: {
			PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
			PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
			PrintAndLog(" type1: 4 ",c.arg[0]);

			return 1;
		} break;
	}	
*/
/*
  unsigned int hi = 0, lo = 0;
  int n = 0, i = 0;
  while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
    hi= (hi << 4) | (lo >> 28);
    lo= (lo << 4) | (n & 0xf);
  }
*/
//	UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
//  PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
  SendCommand(&c);
  return 0;
}

int CmdHF14ASnoop(const char *Cmd) {
	int param = 0;
	
	if (param_getchar(Cmd, 0) == 'h') {
		PrintAndLog("It get data from the field and saves it into command buffer.");
		PrintAndLog("Buffer accessible from command hf 14a list.");
		PrintAndLog("Usage:  hf 14a snoop [c][r]");
		PrintAndLog("c - triggered by first data from card");
		PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
		PrintAndLog("sample: hf 14a snoop c r");
		return 0;
	}	
	
	for (int i = 0; i < 2; i++) {
		char ctmp = param_getchar(Cmd, i);
		if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
		if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
	}

  UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
  SendCommand(&c);
  return 0;
}

int CmdHF14AFuzz(const char *Cmd) {
  char  formatstr[256] = {0},sendbuf[256] = {0};
  uint32_t   start=0,end=0;

  if (param_getchar(Cmd, 0) == 0) {
	  PrintAndLog("fuzz raw hex data to the card and show response <ONLY for develepers>");
	  PrintAndLog("Usage:  hf 14a fuzz <FORMAT> [<start index> <end index>]");
	  PrintAndLog("FORMAT controls the output as in C printf");
	  PrintAndLog("sample: hf 14a fuzz 909F");
	  PrintAndLog("        hf 14a fuzz 00%02x00000000 0 0xFF");
	  return 0;
  }

  start  = param_get8ex(Cmd, 1, 0,16);
  end    = param_get8ex(Cmd, 2, 0,16);
  param_getstr(Cmd, 0, formatstr);  
  
  for( int i=start;i<=end;++i)
  {
    snprintf(sendbuf, sizeof(sendbuf), formatstr, i);
    
    int len = strlen(sendbuf)/2;
    
	  UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU|ISO14A_NO_DISCONNECT, len, 0}};
    param_gethex(sendbuf, 0, c.d.asBytes, len*2);
    PrintAndLog("len:%d raw:",len);	
	  PrintAndLog("%s",sprint_hex(c.d.asBytes, len));
	  SendCommand(&c);
    
    UsbCommand * resp = WaitForResponse(CMD_ACK);
    PrintAndLog("res:%d",resp->arg[0]);
    
    while(resp->arg[0] > sizeof(resp->d))
    {
      PrintAndLog("%s", sprint_hex(resp->d.asBytes,sizeof(resp->d)));
      
      resp = WaitForResponse(CMD_ACK);
    }
    PrintAndLog("%s", sprint_hex(resp->d.asBytes,resp->arg[0]));
    
    PrintAndLog("");
    
    msleep(100);
  }
  
  return 0;
}

static command_t CommandTable[] = 
{
  {"help",   CmdHelp,              1, "This help"},
  {"list",   CmdHF14AList,         0, "List ISO 14443a history"},
  {"reader", CmdHF14AReader,       0, "Act like an ISO14443 Type A reader"},
  {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
  {"sim",    CmdHF14ASim,          0, "<UID> -- Fake ISO 14443a tag"},
  {"snoop",  CmdHF14ASnoop,        0, "Eavesdrop ISO 14443 Type A"},
  {"fuzz",   CmdHF14AFuzz,         0, "Fuzz"},
  {NULL, NULL, 0, NULL}
};

int CmdHF14A(const char *Cmd)
{
	// flush
	while (WaitForResponseTimeout(CMD_ACK, 500) != NULL) ;

	// parse
  CmdsParse(CommandTable, Cmd);
  return 0;
}

int CmdHelp(const char *Cmd)
{
  CmdsHelp(CommandTable);
  return 0;
}
Commit	Line	Data
a553f267	1	//-----------------------------------------------------------------------------
f89c7050	2	// 2011, Merlok
534983d7	3	// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
a553f267	4	//
	5	// This code is licensed to you under the terms of the GNU GPL, version 2 or,
	6	// at your option, any later version. See the LICENSE.txt file for the text of
	7	// the license.
	8	//-----------------------------------------------------------------------------
	9	// High frequency ISO14443A commands
	10	//-----------------------------------------------------------------------------
	11
7fe9b0b7	12	#include <stdio.h>
590f8ff9	13	#include <stdlib.h>
7fe9b0b7	14	#include <string.h>
f397b5cc	15	#include <unistd.h>
20f9a2a1	16	#include "util.h"
7fe9b0b7	17	#include "iso14443crc.h"
	18	#include "data.h"
	19	#include "proxusb.h"
	20	#include "ui.h"
	21	#include "cmdparser.h"
	22	#include "cmdhf14a.h"
534983d7	23	#include "common.h"
20f9a2a1	24	#include "cmdmain.h"
04202e7a	25	#include "sleep.h"
7fe9b0b7	26
	27	static int CmdHelp(const char *Cmd);
	28
	29	int CmdHF14AList(const char *Cmd)
	30	{
	31	uint8_t got[1920];
db09cb3a	32	GetFromBigBuf(got,sizeof(got),0);
7fe9b0b7	33
	34	PrintAndLog("recorded activity:");
	35	PrintAndLog(" ETU :rssi: who bytes");
	36	PrintAndLog("---------+----+----+-----------");
	37
	38	int i = 0;
	39	int prev = -1;
	40
	41	for (;;) {
	42	if(i >= 1900) {
	43	break;
	44	}
	45
	46	bool isResponse;
	47	int timestamp = ((uint32_t )(got+i));
	48	if (timestamp & 0x80000000) {
	49	timestamp &= 0x7fffffff;
	50	isResponse = 1;
	51	} else {
	52	isResponse = 0;
	53	}
	54
	55	int metric = 0;
	56	int parityBits = ((uint32_t )(got+i+4));
	57	// 4 bytes of additional information...
	58	// maximum of 32 additional parity bit information
	59	//
	60	// TODO:
	61	// at each quarter bit period we can send power level (16 levels)
	62	// or each half bit period in 256 levels.
	63
	64
	65	int len = got[i+8];
	66
	67	if (len > 100) {
	68	break;
	69	}
	70	if (i + len >= 1900) {
	71	break;
	72	}
	73
	74	uint8_t *frame = (got+i+9);
	75
	76	// Break and stick with current result if buffer was not completely full
	77	if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
	78
	79	char line[1000] = "";
	80	int j;
	81	for (j = 0; j < len; j++) {
	82	int oddparity = 0x01;
	83	int k;
	84
	85	for (k=0;k<8;k++) {
	86	oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
	87	}
	88
	89	//if((parityBits >> (len - j - 1)) & 0x01) {
	90	if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
	91	sprintf(line+(j*4), "%02x! ", frame[j]);
	92	}
	93	else {
	94	sprintf(line+(j*4), "%02x ", frame[j]);
	95	}
	96	}
97
98	char *crc;
99	crc = "";
100	if (len > 2) {
101	uint8_t b1, b2;
102	for (j = 0; j < (len - 1); j++) {
103	// gives problems... search for the reason..
104	/*if(frame[j] == 0xAA) {
105	switch(frame[j+1]) {
106	case 0x01:
107	crc = "[1] Two drops close after each other";
108	break;
109	case 0x02:
110	crc = "[2] Potential SOC with a drop in second half of bitperiod";
111	break;
112	case 0x03:
113	crc = "[3] Segment Z after segment X is not possible";
114	break;
115	case 0x04:
116	crc = "[4] Parity bit of a fully received byte was wrong";
117	break;
118	default:
119	crc = "[?] Unknown error";
120	break;
121	}
122	break;
123	}*/
124	}
125
126	if (strlen(crc)==0) {
127	ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2);
128	if (b1 != frame[len-2] \|\| b2 != frame[len-1]) {
129	crc = (isResponse & (len < 6)) ? "" : " !crc";
130	} else {
131	crc = "";
132	}
133	}
134	} else {
135	crc = ""; // SHORT
136	}
137
138	char metricString[100];
139	if (isResponse) {
140	sprintf(metricString, "%3d", metric);
141	} else {
142	strcpy(metricString, " ");
143	}
144
145	PrintAndLog(" +%7d: %s: %s %s %s",
146	(prev < 0 ? 0 : (timestamp - prev)),
147	metricString,
148	(isResponse ? "TAG" : " "), line, crc);
149
150	prev = timestamp;
151	i += (len + 9);
152	}
f89c7050	153	return 0;
7fe9b0b7	154	}
7fe9b0b7	155
534983d7	156	void iso14a_set_timeout(uint32_t timeout) {
	157	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
	158	SendCommand(&c);
	159	}
	160
7fe9b0b7	161	int CmdHF14AReader(const char *Cmd)
7fe9b0b7	162	{
534983d7	163	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
04202e7a	164	char param[256]={0};
	165
	166	if( 3 == param_getstr(Cmd,0,param) && !strcmp("con",param))
	167	{
	168	c.arg[0]\|=ISO14A_NO_DISCONNECT;
	169	PrintAndLog("KEEP connected!\n");
	170	}
	171
	172	if( 3 == param_getstr(Cmd,0,param) && !strcmp("dis",param))
	173	{
	174	c.arg[0] = 0;
	175	PrintAndLog("disconnected!\n");
	176	SendCommand(&c);
	177	return 0;
	178	}
	179
534983d7	180	SendCommand(&c);
	181	UsbCommand * resp = WaitForResponse(CMD_ACK);
	182	uint8_t * uid = resp->d.asBytes;
9ca155ba	183	iso14a_card_select_t * card = (iso14a_card_select_t *)(uid + 12);
534983d7	184
	185	if(resp->arg[0] == 0) {
	186	PrintAndLog("iso14443a card select failed");
	187	return 0;
	188	}
	189
	190	PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
	191	PrintAndLog(" UID : %s", sprint_hex(uid, 12));
	192	PrintAndLog(" SAK : %02x [%d]", card->sak, resp->arg[0]);
713e7ffb	193
9ca155ba	194	switch (card->sak) {
713e7ffb W	195	case 0x00: PrintAndLog(" SAK : NXP MIFARE Ultralight \| Ultralight C"); break;
	196	case 0x04: PrintAndLog(" SAK : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
	197
	198	case 0x08: PrintAndLog(" SAK : NXP MIFARE CLASSIC 1k \| Plus 2k"); break;
	199	case 0x09: PrintAndLog(" SAK : NXP MIFARE Mini 0.3k"); break;
	200	case 0x10: PrintAndLog(" SAK : NXP MIFARE Plus 2k"); break;
	201	case 0x11: PrintAndLog(" SAK : NXP MIFARE Plus 4k"); break;
	202	case 0x18: PrintAndLog(" SAK : NXP MIFARE Classic 4k \| Plus 4k"); break;
	203	case 0x20: PrintAndLog(" SAK : NXP MIFARE DESFire 4k \| DESFire EV1 2k/4k/8k \| Plus 2k/4k \| JCOP 31/41"); break;
	204	case 0x24: PrintAndLog(" SAK : NXP MIFARE DESFire \| DESFire EV1"); break;
23487cd2 M	205	case 0x28: PrintAndLog(" SAK : JCOP31 or JCOP41 v2.3.1"); break;
	206	case 0x38: PrintAndLog(" SAK : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
	207	case 0x88: PrintAndLog(" SAK : Infineon MIFARE CLASSIC 1K"); break;
	208	case 0x98: PrintAndLog(" SAK : Gemplus MPCOS"); break;
9ca155ba M	209	default: ;
9ca155ba M	210	}
561f7c11	211	if(resp->arg[0] == 1) {
	212	bool ta1 = 0, tb1 = 0, tc1 = 0;
	213	int pos;
	214
534983d7	215	PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
561f7c11	216	if (card->ats_len > 0) {
	217	PrintAndLog(" - TL : length is %d bytes", card->ats[0]);
	218	}
	219	if (card->ats_len > 1) {
	220	ta1 = (card->ats[1] & 0x10) == 0x10;
	221	tb1 = (card->ats[1] & 0x20) == 0x20;
	222	tc1 = (card->ats[1] & 0x40) == 0x40;
	223	PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
	224	"TC1 is%s present, FSCI is %d",
	225	(ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
	226	(card->ats[1] & 0x0f));
	227	}
	228	pos = 2;
	229	if (ta1 && card->ats_len > pos) {
	230	char dr[16], ds[16];
	231	dr[0] = ds[0] = '\0';
	232	if (card->ats[pos] & 0x10) strcat(ds, "2, ");
	233	if (card->ats[pos] & 0x20) strcat(ds, "4, ");
	234	if (card->ats[pos] & 0x40) strcat(ds, "8, ");
	235	if (card->ats[pos] & 0x01) strcat(dr, "2, ");
	236	if (card->ats[pos] & 0x02) strcat(dr, "4, ");
	237	if (card->ats[pos] & 0x04) strcat(dr, "8, ");
	238	if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
	239	if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
	240	PrintAndLog(" - TA1 : different divisors are%s supported, "
	241	"DR: [%s], DS: [%s]",
	242	(card->ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
	243	pos++;
	244	}
	245	if (tb1 && card->ats_len > pos) {
	246	PrintAndLog(" - TB1 : SFGI = %d, FWI = %d",
	247	(card->ats[pos] & 0x08),
	248	(card->ats[pos] & 0x80) >> 4);
	249	pos++;
	250	}
	251	if (tc1 && card->ats_len > pos) {
	252	PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
	253	(card->ats[pos] & 0x01) ? "" : " NOT",
	254	(card->ats[pos] & 0x02) ? "" : " NOT");
	255	pos++;
	256	}
	257	if (card->ats_len > pos) {
	258	char *tip = "";
	259	if (card->ats_len - pos > 7) {
	260	if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
	261	tip = "-> MIFARE Plus X 2K or 4K";
	262	} else if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
	263	tip = "-> MIFARE Plus S 2K or 4K";
	264	}
	265	}
	266	PrintAndLog(" - HB : %s%s", sprint_hex(card->ats + pos, card->ats_len - pos - 2), tip);
	267	if (card->ats[pos] == 0xC1) {
	268	PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
	269	PrintAndLog(" %02x -> Length is %d bytes",
	270	card->ats[pos + 1], card->ats[pos + 1]);
	271	switch (card->ats[pos + 2] & 0xf0) {
	272	case 0x10:
	273	PrintAndLog(" 1x -> MIFARE DESFire");
	274	break;
	275	case 0x20:
	276	PrintAndLog(" 2x -> MIFARE Plus");
	277	break;
	278	}
	279	switch (card->ats[pos + 2] & 0x0f) {
280	case 0x00:
281	PrintAndLog(" x0 -> <1 kByte");
282	break;
283	case 0x01:
284	PrintAndLog(" x0 -> 1 kByte");
285	break;
286	case 0x02:
287	PrintAndLog(" x0 -> 2 kByte");
288	break;
289	case 0x03:
290	PrintAndLog(" x0 -> 4 kByte");
291	break;
292	case 0x04:
293	PrintAndLog(" x0 -> 8 kByte");
294	break;
295	}
296	switch (card->ats[pos + 3] & 0xf0) {
297	case 0x00:
298	PrintAndLog(" 0x -> Engineering sample");
299	break;
300	case 0x20:
301	PrintAndLog(" 2x -> Released");
302	break;
303	}
304	switch (card->ats[pos + 3] & 0x0f) {
305	case 0x00:
306	PrintAndLog(" x0 -> Generation 1");
307	break;
308	case 0x01:
309	PrintAndLog(" x1 -> Generation 2");
310	break;
311	case 0x02:
312	PrintAndLog(" x2 -> Generation 3");
313	break;
314	}
315	switch (card->ats[pos + 4] & 0x0f) {
316	case 0x00:
317	PrintAndLog(" x0 -> Only VCSL supported");
318	break;
319	case 0x01:
320	PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
321	break;
322	case 0x0E:
323	PrintAndLog(" xE -> no VCS command supported");
324	break;
325	}
326	}
327	}
328	}
534983d7	329	else
	330	PrintAndLog("proprietary non-iso14443a card found, RATS not supported");
	331
	332	return resp->arg[0];
7fe9b0b7	333	}
7fe9b0b7	334
db22dfe6	335	// Collect ISO14443 Type A UIDs
	336	int CmdHF14ACUIDs(const char *Cmd)
	337	{
	338	// requested number of UIDs
	339	int n = atoi(Cmd);
	340	// collect at least 1 (e.g. if no parameter was given)
	341	n = n > 0 ? n : 1;
	342
	343	PrintAndLog("Collecting %d UIDs", n);
	344	PrintAndLog("Start: %u", time(NULL));
	345	// repeat n times
	346	for (int i = 0; i < n; i++) {
	347	// execute anticollision procedure
	348	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
	349	SendCommand(&c);
	350	UsbCommand *resp = WaitForResponse(CMD_ACK);
	351	uint8_t *uid = resp->d.asBytes;
	352	iso14a_card_select_t card = (iso14a_card_select_t )(uid + 12);
	353
	354	// check if command failed
	355	if (resp->arg[0] == 0) {
	356	PrintAndLog("Card select failed.");
	357	} else {
	358	// check if UID is 4 bytes
	359	if ((card->atqa[1] & 0xC0) == 0) {
	360	PrintAndLog("%02X%02X%02X%02X",
	361	uid, (uid + 1), (uid + 2), (uid + 3));
	362	} else {
	363	PrintAndLog("UID longer than 4 bytes");
	364	}
	365	}
	366	}
	367	PrintAndLog("End: %u", time(NULL));
	368
	369	return 1;
	370	}
	371
7fe9b0b7	372	// ## simulate iso14443a tag
	373	// ## greg - added ability to specify tag UID
	374	int CmdHF14ASim(const char *Cmd)
81cd0474	375	{
	376	UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
	377
	378	// Retrieve the tag type
	379	uint8_t tagtype = param_get8ex(Cmd,0,0,10);
	380
	381	// When no argument was given, just print help message
	382	if (tagtype == 0) {
	383	PrintAndLog("");
	384	PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
	385	PrintAndLog("");
	386	PrintAndLog(" syntax: hf 14a sim <type> <uid>");
	387	PrintAndLog(" types: 1 = MIFARE Classic");
	388	PrintAndLog(" 2 = MIFARE Ultralight");
	389	PrintAndLog(" 3 = MIFARE DESFIRE");
	390	PrintAndLog(" 4 = ISO/IEC 14443-4");
	391	PrintAndLog("");
	392	return 1;
	393	}
	394
	395	// Store the tag type
	396	c.arg[0] = tagtype;
	397
	398	// Retrieve the full 4 or 7 byte long uid
	399	uint64_t long_uid = param_get64ex(Cmd,1,0,16);
	400
	401	// Are we handling the (optional) second part uid?
	402	if (long_uid > 0xffffffff) {
	403	PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014llx)",long_uid);
	404	// Store the second part
	405	c.arg[2] = (long_uid & 0xffffffff);
	406	long_uid >>= 32;
	407	// Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
	408	c.arg[1] = (long_uid & 0xffffff);
	409	} else {
	410	PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
	411	// Only store the first part
	412	c.arg[1] = long_uid & 0xffffffff;
	413	}
	414	/*
	415	// At lease save the mandatory first part of the UID
	416	c.arg[0] = long_uid & 0xffffffff;
	417
	418
	419	// At lease save the mandatory first part of the UID
	420	c.arg[0] = long_uid & 0xffffffff;
	421
	422	if (c.arg[1] == 0) {
	423	PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
	424	}
	425
	426	switch (c.arg[0]) {
	427	case 1: {
	428	PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
	429	UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
	430	} break;
	431	case 2: {
	432	PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
	433	} break;
	434	default: {
	435	PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
	436	PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
	437	PrintAndLog(" type1: 4 ",c.arg[0]);
	438
439	return 1;
440	} break;
441	}
442	*/
443	/*
7fe9b0b7	444	unsigned int hi = 0, lo = 0;
	445	int n = 0, i = 0;
	446	while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
	447	hi= (hi << 4) \| (lo >> 28);
	448	lo= (lo << 4) \| (n & 0xf);
	449	}
81cd0474	450	*/
	451	// UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
	452	// PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
7fe9b0b7	453	SendCommand(&c);
	454	return 0;
	455	}
	456
5cd9ec01 M	457	int CmdHF14ASnoop(const char *Cmd) {
	458	int param = 0;
	459
	460	if (param_getchar(Cmd, 0) == 'h') {
	461	PrintAndLog("It get data from the field and saves it into command buffer.");
	462	PrintAndLog("Buffer accessible from command hf 14a list.");
	463	PrintAndLog("Usage: hf 14a snoop [c][r]");
	464	PrintAndLog("c - triggered by first data from card");
	465	PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
	466	PrintAndLog("sample: hf 14a snoop c r");
	467	return 0;
	468	}
	469
	470	for (int i = 0; i < 2; i++) {
	471	char ctmp = param_getchar(Cmd, i);
	472	if (ctmp == 'c' \|\| ctmp == 'C') param \|= 0x01;
	473	if (ctmp == 'r' \|\| ctmp == 'R') param \|= 0x02;
	474	}
	475
	476	UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
7fe9b0b7	477	SendCommand(&c);
	478	return 0;
	479	}
	480
04202e7a	481	int CmdHF14AFuzz(const char *Cmd) {
	482	char formatstr[256] = {0},sendbuf[256] = {0};
	483	uint32_t start=0,end=0;
	484
	485	if (param_getchar(Cmd, 0) == 0) {
	486	PrintAndLog("fuzz raw hex data to the card and show response <ONLY for develepers>");
	487	PrintAndLog("Usage: hf 14a fuzz <FORMAT> [<start index> <end index>]");
	488	PrintAndLog("FORMAT controls the output as in C printf");
	489	PrintAndLog("sample: hf 14a fuzz 909F");
	490	PrintAndLog(" hf 14a fuzz 00%02x00000000 0 0xFF");
	491	return 0;
	492	}
	493
	494	start = param_get8ex(Cmd, 1, 0,16);
	495	end = param_get8ex(Cmd, 2, 0,16);
	496	param_getstr(Cmd, 0, formatstr);
	497
	498	for( int i=start;i<=end;++i)
	499	{
	500	snprintf(sendbuf, sizeof(sendbuf), formatstr, i);
	501
	502	int len = strlen(sendbuf)/2;
	503
	504	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU\|ISO14A_NO_DISCONNECT, len, 0}};
	505	param_gethex(sendbuf, 0, c.d.asBytes, len*2);
	506	PrintAndLog("len:%d raw:",len);
	507	PrintAndLog("%s",sprint_hex(c.d.asBytes, len));
	508	SendCommand(&c);
	509
	510	UsbCommand * resp = WaitForResponse(CMD_ACK);
	511	PrintAndLog("res:%d",resp->arg[0]);
	512
	513	while(resp->arg[0] > sizeof(resp->d))
	514	{
	515	PrintAndLog("%s", sprint_hex(resp->d.asBytes,sizeof(resp->d)));
	516
	517	resp = WaitForResponse(CMD_ACK);
	518	}
	519	PrintAndLog("%s", sprint_hex(resp->d.asBytes,resp->arg[0]));
	520
	521	PrintAndLog("");
	522
	523	msleep(100);
	524	}
	525
	526	return 0;
	527	}
	528
7fe9b0b7	529	static command_t CommandTable[] =
7fe9b0b7	530	{
5acd09bd	531	{"help", CmdHelp, 1, "This help"},
	532	{"list", CmdHF14AList, 0, "List ISO 14443a history"},
	533	{"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
	534	{"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
	535	{"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
	536	{"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
04202e7a	537	{"fuzz", CmdHF14AFuzz, 0, "Fuzz"},
7fe9b0b7	538	{NULL, NULL, 0, NULL}
	539	};
	540
	541	int CmdHF14A(const char *Cmd)
	542	{
f397b5cc M	543	// flush
	544	while (WaitForResponseTimeout(CMD_ACK, 500) != NULL) ;
	545
	546	// parse
7fe9b0b7	547	CmdsParse(CommandTable, Cmd);
	548	return 0;
	549	}
	550
	551	int CmdHelp(const char *Cmd)
	552	{
	553	CmdsHelp(CommandTable);
	554	return 0;
	555	}