[proxmark3-svn] / client / cmdhf14a.c

//-----------------------------------------------------------------------------
// 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 "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"

static int CmdHelp(const char *Cmd);

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

  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 CmdHF14AMifare(const char *Cmd)
{
  UsbCommand c = {CMD_READER_MIFARE, {strtol(Cmd, NULL, 0), 0, 0}};
  SendCommand(&c);
  return 0;
}

int CmdHF14AMfWrBl(const char *Cmd)
{
	int i, temp;
	uint8_t blockNo = 0;
	uint8_t keyType = 0;
	uint8_t key[6] = {0, 0, 0, 0, 0, 0};
	uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
	
	const char *cmdp	= Cmd;
	const char *cmdpe	= Cmd;

	if (strlen(Cmd)<3) {
		PrintAndLog("Usage:  hf 14 mfwrbl    <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
		PrintAndLog("           sample: hf 14a mfwrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
		return 0;
	}	
	PrintAndLog("l: %s", Cmd);
	
  // skip spaces
	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
	blockNo = strtol(cmdp, NULL, 0) & 0xff;
	
	// next value
	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
	if (*cmdp != 'A' && *cmdp != 'a')  {
		keyType = 1;
	}

	// next value
	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
	while (*cmdp==' ' || *cmdp=='\t') cmdp++;

	// next value here:cmdpe
	cmdpe = cmdp;
	while (*cmdpe!=' ' && *cmdpe!='\t') cmdpe++;
	while (*cmdpe==' ' || *cmdpe=='\t') cmdpe++;

	if ((int)cmdpe - (int)cmdp != 13) {
		PrintAndLog("Length of key must be 12 hex symbols");
		return 0;
	}
	
	for(i = 0; i < 6; i++) {
		sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
		key[i] = temp & 0xff;
		cmdp++;
		cmdp++;
	}	

	// next value
	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
	while (*cmdp==' ' || *cmdp=='\t') cmdp++;

	if (strlen(cmdp) != 32) {
		PrintAndLog("Length of block data must be 32 hex symbols");
		return 0;
	}

	for(i = 0; i < 16; i++) {
		sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
		bldata[i] = temp & 0xff;
		cmdp++;
		cmdp++;
	}	
	PrintAndLog(" block no:%02x key type:%02x key:%s", blockNo, keyType, sprint_hex(key, 6));
	PrintAndLog(" data: %s", sprint_hex(bldata, 16));
	
  UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
	memcpy(c.d.asBytes, key, 6);
	memcpy(c.d.asBytes + 10, bldata, 16);
  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 CmdHF14AMfRdBl(const char *Cmd)
{
	int i, temp;
	uint8_t blockNo = 0;
	uint8_t keyType = 0;
	uint8_t key[6] = {0, 0, 0, 0, 0, 0};
	
	const char *cmdp	= Cmd;


	if (strlen(Cmd)<3) {
		PrintAndLog("Usage:  hf 14 mfrdbl    <block number> <key A/B> <key (12 hex symbols)>");
		PrintAndLog("           sample: hf 14a mfrdbl 0 A FFFFFFFFFFFF ");
		return 0;
	}	
	
  // skip spaces
	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
	blockNo = strtol(cmdp, NULL, 0) & 0xff;
	
	// next value
	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
	if (*cmdp != 'A' && *cmdp != 'a')  {
		keyType = 1;
	}

	// next value
	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
	while (*cmdp==' ' || *cmdp=='\t') cmdp++;

	if (strlen(cmdp) != 12) {
		PrintAndLog("Length of key must be 12 hex symbols");
		return 0;
	}
	
	for(i = 0; i < 6; i++) {
		sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
		key[i] = temp & 0xff;
		cmdp++;
		cmdp++;
	}	
	PrintAndLog(" block no:%02x key type:%02x key:%s ", blockNo, keyType, sprint_hex(key, 6));
	
  UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
	memcpy(c.d.asBytes, key, 6);
  SendCommand(&c);
	UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);

	if (resp != NULL) {
		uint8_t                isOK  = resp->arg[0] & 0xff;
		uint8_t              * data  = resp->d.asBytes;

		PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));
	} else {
		PrintAndLog("Command execute timeout");
	}

  return 0;
}

int CmdHF14AMfRdSc(const char *Cmd)
{
	int i, temp;
	uint8_t sectorNo = 0;
	uint8_t keyType = 0;
	uint8_t key[6] = {0, 0, 0, 0, 0, 0};
	
	const char *cmdp	= Cmd;


	if (strlen(Cmd)<3) {
		PrintAndLog("Usage:  hf 14 mfrdsc    <sector number> <key A/B> <key (12 hex symbols)>");
		PrintAndLog("           sample: hf 14a mfrdsc 0 A FFFFFFFFFFFF ");
		return 0;
	}	
	
  // skip spaces
	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
	sectorNo = strtol(cmdp, NULL, 0) & 0xff;
	
	// next value
	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
	while (*cmdp==' ' || *cmdp=='\t') cmdp++;
	if (*cmdp != 'A' && *cmdp != 'a')  {
		keyType = 1;
	}

	// next value
	while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
	while (*cmdp==' ' || *cmdp=='\t') cmdp++;

	if (strlen(cmdp) != 12) {
		PrintAndLog("Length of key must be 12 hex symbols");
		return 0;
	}
	
	for(i = 0; i < 6; i++) {
		sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
		key[i] = temp & 0xff;
		cmdp++;
		cmdp++;
	}	
	PrintAndLog(" sector no:%02x key type:%02x key:%s ", sectorNo, keyType, sprint_hex(key, 6));
	
  UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
	memcpy(c.d.asBytes, key, 6);
  SendCommand(&c);
	UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
	PrintAndLog(" ");

	if (resp != NULL) {
		uint8_t                isOK  = resp->arg[0] & 0xff;
		uint8_t              * data  = resp->d.asBytes;

		PrintAndLog("isOk:%02x", isOK);
		for (i = 0; i < 2; i++) {
			PrintAndLog("data:%s", sprint_hex(data + i * 16, 16));
		}
	} else {
		PrintAndLog("Command1 execute timeout");
	}

		// response2
	resp = WaitForResponseTimeout(CMD_ACK, 500);
	PrintAndLog(" ");

	if (resp != NULL) {
		uint8_t              * data  = resp->d.asBytes;

		for (i = 0; i < 2; i++) {
			PrintAndLog("data:%s", sprint_hex(data + i * 16, 16));
		}
	} else {
		PrintAndLog("Command2 execute timeout");
	}
	
  return 0;
}

int CmdHF14AReader(const char *Cmd)
{
	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 = 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]);
	if(resp->arg[0] == 1)
		PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
	else
		PrintAndLog("proprietary non-iso14443a card found, RATS not supported");

	return resp->arg[0];
}

// ## simulate iso14443a tag
// ## greg - added ability to specify tag UID
int CmdHF14ASim(const char *Cmd)
{                                 

  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);
  }

  // c.arg should be set to *Cmd or convert *Cmd to the correct format for a uid
  UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a, {hi, lo, 0}};
  PrintAndLog("Emulating 14443A TAG with UID %x%16x", hi, lo);
  SendCommand(&c);
  return 0;
}

int CmdHF14ASnoop(const char *Cmd)
{
  UsbCommand c = {CMD_SNOOP_ISO_14443a};
  SendCommand(&c);
  return 0;
}

static command_t CommandTable[] = 
{
  {"help",    CmdHelp,        1, "This help"},
  {"list",    CmdHF14AList,   0, "List ISO 14443a history"},
  {"mifare",  CmdHF14AMifare, 0, "Read out sector 0 parity error messages"},
  {"mfrdbl",  CmdHF14AMfRdBl, 0, "Read MIFARE classic block"},
  {"mfrdsc",  CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"},
  {"mfwrbl",  CmdHF14AMfWrBl, 0, "Write MIFARE classic block"},
  {"reader",  CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
  {"sim",     CmdHF14ASim,    0, "<UID> -- Fake ISO 14443a tag"},
  {"snoop",   CmdHF14ASnoop,  0, "Eavesdrop ISO 14443 Type A"},
  {NULL, NULL, 0, NULL}
};

int CmdHF14A(const char *Cmd)
{
  CmdsParse(CommandTable, Cmd);
  return 0;
}

int CmdHelp(const char *Cmd)
{
  CmdsHelp(CommandTable);
  return 0;
}
Commit	Line	Data
a553f267	1	//-----------------------------------------------------------------------------
534983d7	2	// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
a553f267	3	//
	4	// This code is licensed to you under the terms of the GNU GPL, version 2 or,
	5	// at your option, any later version. See the LICENSE.txt file for the text of
	6	// the license.
	7	//-----------------------------------------------------------------------------
	8	// High frequency ISO14443A commands
	9	//-----------------------------------------------------------------------------
	10
7fe9b0b7	11	#include <stdio.h>
590f8ff9	12	#include <stdlib.h>
7fe9b0b7	13	#include <string.h>
20f9a2a1	14	#include "util.h"
7fe9b0b7	15	#include "iso14443crc.h"
	16	#include "data.h"
	17	#include "proxusb.h"
	18	#include "ui.h"
	19	#include "cmdparser.h"
	20	#include "cmdhf14a.h"
534983d7	21	#include "common.h"
20f9a2a1	22	#include "cmdmain.h"
7fe9b0b7	23
	24	static int CmdHelp(const char *Cmd);
	25
	26	int CmdHF14AList(const char *Cmd)
	27	{
	28	uint8_t got[1920];
	29	GetFromBigBuf(got, sizeof(got));
	30
	31	PrintAndLog("recorded activity:");
	32	PrintAndLog(" ETU :rssi: who bytes");
	33	PrintAndLog("---------+----+----+-----------");
	34
	35	int i = 0;
	36	int prev = -1;
	37
	38	for (;;) {
	39	if(i >= 1900) {
	40	break;
	41	}
	42
	43	bool isResponse;
	44	int timestamp = ((uint32_t )(got+i));
	45	if (timestamp & 0x80000000) {
	46	timestamp &= 0x7fffffff;
	47	isResponse = 1;
	48	} else {
	49	isResponse = 0;
	50	}
	51
	52	int metric = 0;
	53	int parityBits = ((uint32_t )(got+i+4));
	54	// 4 bytes of additional information...
	55	// maximum of 32 additional parity bit information
	56	//
	57	// TODO:
	58	// at each quarter bit period we can send power level (16 levels)
	59	// or each half bit period in 256 levels.
	60
	61
	62	int len = got[i+8];
	63
	64	if (len > 100) {
	65	break;
	66	}
	67	if (i + len >= 1900) {
	68	break;
	69	}
	70
	71	uint8_t *frame = (got+i+9);
	72
	73	// Break and stick with current result if buffer was not completely full
	74	if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
	75
	76	char line[1000] = "";
	77	int j;
	78	for (j = 0; j < len; j++) {
	79	int oddparity = 0x01;
	80	int k;
	81
	82	for (k=0;k<8;k++) {
	83	oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
	84	}
	85
	86	//if((parityBits >> (len - j - 1)) & 0x01) {
87	if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
88	sprintf(line+(j*4), "%02x! ", frame[j]);
89	}
90	else {
91	sprintf(line+(j*4), "%02x ", frame[j]);
92	}
93	}
94
95	char *crc;
96	crc = "";
97	if (len > 2) {
98	uint8_t b1, b2;
99	for (j = 0; j < (len - 1); j++) {
100	// gives problems... search for the reason..
101	/*if(frame[j] == 0xAA) {
102	switch(frame[j+1]) {
103	case 0x01:
104	crc = "[1] Two drops close after each other";
105	break;
106	case 0x02:
107	crc = "[2] Potential SOC with a drop in second half of bitperiod";
108	break;
109	case 0x03:
110	crc = "[3] Segment Z after segment X is not possible";
111	break;
112	case 0x04:
113	crc = "[4] Parity bit of a fully received byte was wrong";
114	break;
115	default:
116	crc = "[?] Unknown error";
117	break;
118	}
119	break;
120	}*/
121	}
122
123	if (strlen(crc)==0) {
124	ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2);
125	if (b1 != frame[len-2] \|\| b2 != frame[len-1]) {
126	crc = (isResponse & (len < 6)) ? "" : " !crc";
127	} else {
128	crc = "";
129	}
130	}
131	} else {
132	crc = ""; // SHORT
133	}
134
135	char metricString[100];
136	if (isResponse) {
137	sprintf(metricString, "%3d", metric);
138	} else {
139	strcpy(metricString, " ");
140	}
141
142	PrintAndLog(" +%7d: %s: %s %s %s",
143	(prev < 0 ? 0 : (timestamp - prev)),
144	metricString,
145	(isResponse ? "TAG" : " "), line, crc);
146
147	prev = timestamp;
148	i += (len + 9);
149	}
150	return 0;
151	}
152
534983d7	153	void iso14a_set_timeout(uint32_t timeout) {
	154	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
	155	SendCommand(&c);
	156	}
	157
7fe9b0b7	158	int CmdHF14AMifare(const char *Cmd)
	159	{
	160	UsbCommand c = {CMD_READER_MIFARE, {strtol(Cmd, NULL, 0), 0, 0}};
	161	SendCommand(&c);
	162	return 0;
	163	}
	164
20f9a2a1 M	165	int CmdHF14AMfWrBl(const char *Cmd)
	166	{
	167	int i, temp;
	168	uint8_t blockNo = 0;
	169	uint8_t keyType = 0;
	170	uint8_t key[6] = {0, 0, 0, 0, 0, 0};
	171	uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
	172
	173	const char *cmdp = Cmd;
	174	const char *cmdpe = Cmd;
	175
	176	if (strlen(Cmd)<3) {
	177	PrintAndLog("Usage: hf 14 mfwrbl <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
	178	PrintAndLog(" sample: hf 14a mfwrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
	179	return 0;
	180	}
	181	PrintAndLog("l: %s", Cmd);
	182
	183	// skip spaces
	184	while (cmdp==' ' \|\| cmdp=='\t') cmdp++;
	185	blockNo = strtol(cmdp, NULL, 0) & 0xff;
	186
	187	// next value
	188	while (cmdp!=' ' && cmdp!='\t') cmdp++;
	189	while (cmdp==' ' \|\| cmdp=='\t') cmdp++;
	190	if (cmdp != 'A' && cmdp != 'a') {
	191	keyType = 1;
	192	}
	193
	194	// next value
	195	while (cmdp!=' ' && cmdp!='\t') cmdp++;
	196	while (cmdp==' ' \|\| cmdp=='\t') cmdp++;
	197
	198	// next value here:cmdpe
	199	cmdpe = cmdp;
	200	while (cmdpe!=' ' && cmdpe!='\t') cmdpe++;
	201	while (cmdpe==' ' \|\| cmdpe=='\t') cmdpe++;
	202
	203	if ((int)cmdpe - (int)cmdp != 13) {
	204	PrintAndLog("Length of key must be 12 hex symbols");
	205	return 0;
	206	}
	207
	208	for(i = 0; i < 6; i++) {
	209	sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
	210	key[i] = temp & 0xff;
	211	cmdp++;
	212	cmdp++;
	213	}
	214
	215	// next value
	216	while (cmdp!=' ' && cmdp!='\t') cmdp++;
	217	while (cmdp==' ' \|\| cmdp=='\t') cmdp++;
	218
	219	if (strlen(cmdp) != 32) {
	220	PrintAndLog("Length of block data must be 32 hex symbols");
	221	return 0;
	222	}
	223
	224	for(i = 0; i < 16; i++) {
	225	sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
	226	bldata[i] = temp & 0xff;
	227	cmdp++;
	228	cmdp++;
229	}
230	PrintAndLog(" block no:%02x key type:%02x key:%s", blockNo, keyType, sprint_hex(key, 6));
231	PrintAndLog(" data: %s", sprint_hex(bldata, 16));
232
233	UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
234	memcpy(c.d.asBytes, key, 6);
235	memcpy(c.d.asBytes + 10, bldata, 16);
236	SendCommand(&c);
237	UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
238
239	if (resp != NULL) {
240	uint8_t isOK = resp->arg[0] & 0xff;
241
242	PrintAndLog("isOk:%02x", isOK);
243	} else {
244	PrintAndLog("Command execute timeout");
245	}
246
247	return 0;
248	}
249
250	int CmdHF14AMfRdBl(const char *Cmd)
251	{
252	int i, temp;
253	uint8_t blockNo = 0;
254	uint8_t keyType = 0;
255	uint8_t key[6] = {0, 0, 0, 0, 0, 0};
256
257	const char *cmdp = Cmd;
258
259
260	if (strlen(Cmd)<3) {
261	PrintAndLog("Usage: hf 14 mfrdbl <block number> <key A/B> <key (12 hex symbols)>");
262	PrintAndLog(" sample: hf 14a mfrdbl 0 A FFFFFFFFFFFF ");
263	return 0;
264	}
265
266	// skip spaces
267	while (cmdp==' ' \|\| cmdp=='\t') cmdp++;
268	blockNo = strtol(cmdp, NULL, 0) & 0xff;
269
270	// next value
271	while (cmdp!=' ' && cmdp!='\t') cmdp++;
272	while (cmdp==' ' \|\| cmdp=='\t') cmdp++;
273	if (cmdp != 'A' && cmdp != 'a') {
274	keyType = 1;
275	}
276
277	// next value
278	while (cmdp!=' ' && cmdp!='\t') cmdp++;
279	while (cmdp==' ' \|\| cmdp=='\t') cmdp++;
280
281	if (strlen(cmdp) != 12) {
282	PrintAndLog("Length of key must be 12 hex symbols");
283	return 0;
284	}
285
286	for(i = 0; i < 6; i++) {
287	sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
288	key[i] = temp & 0xff;
289	cmdp++;
290	cmdp++;
291	}
292	PrintAndLog(" block no:%02x key type:%02x key:%s ", blockNo, keyType, sprint_hex(key, 6));
293
294	UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
295	memcpy(c.d.asBytes, key, 6);
296	SendCommand(&c);
297	UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
298
299	if (resp != NULL) {
300	uint8_t isOK = resp->arg[0] & 0xff;
301	uint8_t * data = resp->d.asBytes;
302
303	PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));
304	} else {
305	PrintAndLog("Command execute timeout");
306	}
307
308	return 0;
309	}
310
311	int CmdHF14AMfRdSc(const char *Cmd)
312	{
313	int i, temp;
314	uint8_t sectorNo = 0;
315	uint8_t keyType = 0;
316	uint8_t key[6] = {0, 0, 0, 0, 0, 0};
317
318	const char *cmdp = Cmd;
319
320
321	if (strlen(Cmd)<3) {
322	PrintAndLog("Usage: hf 14 mfrdsc <sector number> <key A/B> <key (12 hex symbols)>");
323	PrintAndLog(" sample: hf 14a mfrdsc 0 A FFFFFFFFFFFF ");
324	return 0;
325	}
326
327	// skip spaces
328	while (cmdp==' ' \|\| cmdp=='\t') cmdp++;
329	sectorNo = strtol(cmdp, NULL, 0) & 0xff;
330
331	// next value
332	while (cmdp!=' ' && cmdp!='\t') cmdp++;
333	while (cmdp==' ' \|\| cmdp=='\t') cmdp++;
334	if (cmdp != 'A' && cmdp != 'a') {
335	keyType = 1;
336	}
337
338	// next value
339	while (cmdp!=' ' && cmdp!='\t') cmdp++;
340	while (cmdp==' ' \|\| cmdp=='\t') cmdp++;
341
342	if (strlen(cmdp) != 12) {
343	PrintAndLog("Length of key must be 12 hex symbols");
344	return 0;
345	}
346
347	for(i = 0; i < 6; i++) {
348	sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
349	key[i] = temp & 0xff;
350	cmdp++;
351	cmdp++;
352	}
353	PrintAndLog(" sector no:%02x key type:%02x key:%s ", sectorNo, keyType, sprint_hex(key, 6));
354
355	UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
356	memcpy(c.d.asBytes, key, 6);
357	SendCommand(&c);
358	UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
359	PrintAndLog(" ");
360
361	if (resp != NULL) {
362	uint8_t isOK = resp->arg[0] & 0xff;
363	uint8_t * data = resp->d.asBytes;
364
365	PrintAndLog("isOk:%02x", isOK);
366	for (i = 0; i < 2; i++) {
367	PrintAndLog("data:%s", sprint_hex(data + i * 16, 16));
368	}
369	} else {
370	PrintAndLog("Command1 execute timeout");
371	}
372
373	// response2
374	resp = WaitForResponseTimeout(CMD_ACK, 500);
375	PrintAndLog(" ");
376
377	if (resp != NULL) {
378	uint8_t * data = resp->d.asBytes;
379
380	for (i = 0; i < 2; i++) {
381	PrintAndLog("data:%s", sprint_hex(data + i * 16, 16));
382	}
383	} else {
384	PrintAndLog("Command2 execute timeout");
385	}
386
387	return 0;
388	}
389
7fe9b0b7	390	int CmdHF14AReader(const char *Cmd)
7fe9b0b7	391	{
534983d7	392	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
	393	SendCommand(&c);
	394	UsbCommand * resp = WaitForResponse(CMD_ACK);
	395	uint8_t * uid = resp->d.asBytes;
	396	iso14a_card_select_t * card = uid + 12;
	397
	398	if(resp->arg[0] == 0) {
	399	PrintAndLog("iso14443a card select failed");
	400	return 0;
	401	}
	402
	403	PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
	404	PrintAndLog(" UID : %s", sprint_hex(uid, 12));
	405	PrintAndLog(" SAK : %02x [%d]", card->sak, resp->arg[0]);
	406	if(resp->arg[0] == 1)
	407	PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
	408	else
	409	PrintAndLog("proprietary non-iso14443a card found, RATS not supported");
	410
	411	return resp->arg[0];
7fe9b0b7	412	}
	413
	414	// ## simulate iso14443a tag
	415	// ## greg - added ability to specify tag UID
	416	int CmdHF14ASim(const char *Cmd)
	417	{
	418
	419	unsigned int hi = 0, lo = 0;
	420	int n = 0, i = 0;
	421	while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
	422	hi= (hi << 4) \| (lo >> 28);
	423	lo= (lo << 4) \| (n & 0xf);
	424	}
	425
	426	// c.arg should be set to Cmd or convert Cmd to the correct format for a uid
	427	UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a, {hi, lo, 0}};
	428	PrintAndLog("Emulating 14443A TAG with UID %x%16x", hi, lo);
	429	SendCommand(&c);
	430	return 0;
	431	}
	432
	433	int CmdHF14ASnoop(const char *Cmd)
	434	{
	435	UsbCommand c = {CMD_SNOOP_ISO_14443a};
	436	SendCommand(&c);
	437	return 0;
	438	}
	439
	440	static command_t CommandTable[] =
	441	{
	442	{"help", CmdHelp, 1, "This help"},
	443	{"list", CmdHF14AList, 0, "List ISO 14443a history"},
	444	{"mifare", CmdHF14AMifare, 0, "Read out sector 0 parity error messages"},
20f9a2a1 M	445	{"mfrdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"},
	446	{"mfrdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"},
	447	{"mfwrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"},
7fe9b0b7	448	{"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
	449	{"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
	450	{"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
	451	{NULL, NULL, 0, NULL}
	452	};
	453
	454	int CmdHF14A(const char *Cmd)
	455	{
	456	CmdsParse(CommandTable, Cmd);
	457	return 0;
	458	}
	459
	460	int CmdHelp(const char *Cmd)
	461	{
	462	CmdsHelp(CommandTable);
	463	return 0;
	464	}