[proxmark3-svn] / client / cmdhf14b.c

//-----------------------------------------------------------------------------
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
//
// 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 ISO14443B commands
//-----------------------------------------------------------------------------

#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <stdint.h>
#include "iso14443crc.h"
#include "proxmark3.h"
#include "data.h"
#include "graph.h"
#include "util.h"
#include "ui.h"
#include "cmdparser.h"
#include "cmdhf14b.h"
#include "cmdmain.h"
#include "cmdhf14a.h"
#include "sleep.h"

static int CmdHelp(const char *Cmd);

int CmdHF14BDemod(const char *Cmd)
{
  int i, j, iold;
  int isum, qsum;
  int outOfWeakAt;
  bool negateI, negateQ;

  uint8_t data[256];
  int dataLen = 0;

  // As received, the samples are pairs, correlations against I and Q
  // square waves. So estimate angle of initial carrier (or just
  // quadrant, actually), and then do the demod.

  // First, estimate where the tag starts modulating.
  for (i = 0; i < GraphTraceLen; i += 2) {
    if (abs(GraphBuffer[i]) + abs(GraphBuffer[i + 1]) > 40) {
      break;
    }
  }
  if (i >= GraphTraceLen) {
    PrintAndLog("too weak to sync");
    return 0;
  }
  PrintAndLog("out of weak at %d", i);
  outOfWeakAt = i;

  // Now, estimate the phase in the initial modulation of the tag
  isum = 0;
  qsum = 0;
  for (; i < (outOfWeakAt + 16); i += 2) {
    isum += GraphBuffer[i + 0];
    qsum += GraphBuffer[i + 1];
  }
  negateI = (isum < 0);
  negateQ = (qsum < 0);

  // Turn the correlation pairs into soft decisions on the bit.
  j = 0;
  for (i = 0; i < GraphTraceLen / 2; i++) {
    int si = GraphBuffer[j];
    int sq = GraphBuffer[j + 1];
    if (negateI) si = -si;
    if (negateQ) sq = -sq;
    GraphBuffer[i] = si + sq;
    j += 2;
  }
  GraphTraceLen = i;

  i = outOfWeakAt / 2;
  while (GraphBuffer[i] > 0 && i < GraphTraceLen)
    i++;
  if (i >= GraphTraceLen) goto demodError;

  iold = i;
  while (GraphBuffer[i] < 0 && i < GraphTraceLen)
    i++;
  if (i >= GraphTraceLen) goto demodError;
  if ((i - iold) > 23) goto demodError;

  PrintAndLog("make it to demod loop");

  for (;;) {
    iold = i;
    while (GraphBuffer[i] >= 0 && i < GraphTraceLen)
      i++;
    if (i >= GraphTraceLen) goto demodError;
    if ((i - iold) > 6) goto demodError;

    uint16_t shiftReg = 0;
    if (i + 20 >= GraphTraceLen) goto demodError;

    for (j = 0; j < 10; j++) {
      int soft = GraphBuffer[i] + GraphBuffer[i + 1];

      if (abs(soft) < (abs(isum) + abs(qsum)) / 20) {
        PrintAndLog("weak bit");
      }

      shiftReg >>= 1;
      if(GraphBuffer[i] + GraphBuffer[i+1] >= 0) {
        shiftReg |= 0x200;
      }

      i+= 2;
    }

    if ((shiftReg & 0x200) && !(shiftReg & 0x001))
    {
      // valid data byte, start and stop bits okay
      PrintAndLog("   %02x", (shiftReg >> 1) & 0xff);
      data[dataLen++] = (shiftReg >> 1) & 0xff;
      if (dataLen >= sizeof(data)) {
        return 0;
      }
    } else if (shiftReg == 0x000) {
      // this is EOF
      break;
    } else {
      goto demodError;
    }
  }

  uint8_t first, second;
  ComputeCrc14443(CRC_14443_B, data, dataLen-2, &first, &second);
  PrintAndLog("CRC: %02x %02x (%s)\n", first, second,
    (first == data[dataLen-2] && second == data[dataLen-1]) ?
      "ok" : "****FAIL****");

  RepaintGraphWindow();
  return 0;

demodError:
  PrintAndLog("demod error");
  RepaintGraphWindow();
  return 0;
}

int CmdHF14BList(const char *Cmd)
{
	PrintAndLog("Deprecated command, use 'hf list 14b' instead");

	return 0;
}

int CmdHF14Sim(const char *Cmd)
{
  UsbCommand c={CMD_SIMULATE_TAG_ISO_14443};
  SendCommand(&c);
  return 0;
}

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

int CmdHF14BSnoop(const char *Cmd)
{
  UsbCommand c = {CMD_SNOOP_ISO_14443};
  SendCommand(&c);
  return 0;
}

/* New command to read the contents of a SRI512 tag
 * SRI512 tags are ISO14443-B modulated memory tags,
 * this command just dumps the contents of the memory
 */
int CmdSri512Read(const char *Cmd)
{
  UsbCommand c = {CMD_READ_SRI512_TAG, {strtol(Cmd, NULL, 0), 0, 0}};
  SendCommand(&c);
  return 0;
}

/* New command to read the contents of a SRIX4K tag
 * SRIX4K tags are ISO14443-B modulated memory tags,
 * this command just dumps the contents of the memory/
 */
int CmdSrix4kRead(const char *Cmd)
{
  UsbCommand c = {CMD_READ_SRIX4K_TAG, {strtol(Cmd, NULL, 0), 0, 0}};
  SendCommand(&c);
  return 0;
}

int rawClose(void){
    UsbCommand resp;
	UsbCommand c = {CMD_ISO_14443B_COMMAND, {0, 0, 0}};
	SendCommand(&c);
	if (!WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
		return 0;
	}
	return 0;	
}

int HF14BCmdRaw(bool reply, bool *crc, uint8_t power_trace, uint8_t *data, uint8_t *datalen, bool verbose){
	UsbCommand resp;
	UsbCommand c = {CMD_ISO_14443B_COMMAND, {0, 0, 0}}; // len,recv,power
  if(*crc)
  {
    uint8_t first, second;
    ComputeCrc14443(CRC_14443_B, data, *datalen, &first, &second);
    data[*datalen] = first;
    data[*datalen + 1] = second;
    *datalen += 2;
  }
  
  c.arg[0] = *datalen;
  c.arg[1] = reply;
	c.arg[2] = power_trace;
  memcpy(c.d.asBytes,data,*datalen);
  SendCommand(&c);
  
  if (!reply) return 1; 

  if (!WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
    if (verbose) PrintAndLog("timeout while waiting for reply.");
    return 0;
  }
  *datalen = resp.arg[0];
	if (verbose) PrintAndLog("received %u octets", *datalen);
  if(!*datalen)
    return 0;

  memcpy(data, resp.d.asBytes, *datalen);
  if (verbose) PrintAndLog("%s", sprint_hex(data, *datalen));

  uint8_t first, second;
  ComputeCrc14443(CRC_14443_B, data, *datalen-2, &first, &second);
  if(data[*datalen-2] == first && data[*datalen-1] == second) {
    if (verbose) PrintAndLog("CRC OK");
    *crc = true;
  } else {
    if (verbose) PrintAndLog("CRC failed");
    *crc = false;
  }
  return 1;
}

int CmdHF14BCmdRaw (const char *Cmd) {
    bool reply = true;
    bool crc = false;
	uint8_t power_trace = 0;
    char buf[5]="";
    uint8_t data[100] = {0x00};
    uint8_t datalen = 0;
    unsigned int temp;
    int i = 0;
    if (strlen(Cmd)<3) {
        PrintAndLog("Usage: hf 14b raw [-r] [-c] [-p] <0A 0B 0C ... hex>");
        PrintAndLog("       -r    do not read response");
        PrintAndLog("       -c    calculate and append CRC");
        PrintAndLog("       -p    leave the field on after receive");
        return 0;    
    }

    // strip
    while (*Cmd==' ' || *Cmd=='\t') Cmd++;
    
    while (Cmd[i]!='\0') {
        if (Cmd[i]==' ' || Cmd[i]=='\t') { i++; continue; }
        if (Cmd[i]=='-') {
            switch (Cmd[i+1]) {
                case 'r': 
                case 'R': 
                    reply = false;
                    break;
                case 'c':
                case 'C':                
                    crc = true;
                    break;
                case 'p': 
                case 'P': 
					power_trace |= 1;
                    break;
                default:
                    PrintAndLog("Invalid option");
                    return 0;
            }
            i+=2;
            continue;
        }
        if ((Cmd[i]>='0' && Cmd[i]<='9') ||
            (Cmd[i]>='a' && Cmd[i]<='f') ||
            (Cmd[i]>='A' && Cmd[i]<='F') ) {
            buf[strlen(buf)+1]=0;
            buf[strlen(buf)]=Cmd[i];
            i++;
            
            if (strlen(buf)>=2) {
                sscanf(buf,"%x",&temp);
                data[datalen++]=(uint8_t)(temp & 0xff);
                *buf=0;
            }
            continue;
        }
        PrintAndLog("Invalid char on input");
        return 1;
    }
    if (datalen == 0)
    {
      PrintAndLog("Missing data input");
      return 0;
    }

	return HF14BCmdRaw(reply, &crc, power_trace, data, &datalen, true);
}

static void print_atqb_resp(uint8_t *data){
  PrintAndLog ("           UID: %s", sprint_hex(data+1,4));
  PrintAndLog ("      App Data: %s", sprint_hex(data+5,4));
  PrintAndLog ("      Protocol: %s", sprint_hex(data+9,3));
  uint8_t BitRate = data[9];
  if (!BitRate) 
    PrintAndLog ("      Bit Rate: 106 kbit/s only PICC <-> PCD");
  if (BitRate & 0x10)
    PrintAndLog ("      Bit Rate: 212 kbit/s PICC -> PCD supported");
  if (BitRate & 0x20)
    PrintAndLog ("      Bit Rate: 424 kbit/s PICC -> PCD supported"); 
  if (BitRate & 0x40)
    PrintAndLog ("      Bit Rate: 847 kbit/s PICC -> PCD supported"); 
  if (BitRate & 0x01)
    PrintAndLog ("      Bit Rate: 212 kbit/s PICC <- PCD supported");
  if (BitRate & 0x02)
    PrintAndLog ("      Bit Rate: 424 kbit/s PICC <- PCD supported"); 
  if (BitRate & 0x04)
    PrintAndLog ("      Bit Rate: 847 kbit/s PICC <- PCD supported"); 
  if (BitRate & 0x80) 
    PrintAndLog ("                Same bit rate <-> required");

  uint16_t maxFrame = data[10]>>4;
  if (maxFrame < 5) 
    maxFrame = 8*maxFrame + 16;
  else if (maxFrame == 5)
    maxFrame = 64;
  else if (maxFrame == 6)
    maxFrame = 96;
  else if (maxFrame == 7)
    maxFrame = 128;
  else if (maxFrame == 8)
    maxFrame = 256;
  else
    maxFrame = 257;

  PrintAndLog ("Max Frame Size: %d%s",maxFrame, (maxFrame == 257) ? "+ RFU" : "");

  uint8_t protocolT = data[10] & 0xF;
  PrintAndLog (" Protocol Type: Protocol is %scompliant with ISO/IEC 14443-4",(protocolT) ? "" : "not " );
  PrintAndLog ("Frame Wait Int: %d", data[11]>>4);
  PrintAndLog (" App Data Code: Application is %s",(data[11]&4) ? "Standard" : "Proprietary");
  PrintAndLog (" Frame Options: NAD is %ssupported",(data[11]&2) ? "" : "not ");
  PrintAndLog (" Frame Options: CID is %ssupported",(data[11]&1) ? "" : "not ");
  
  return;
}

char *get_ST_Chip_Model(uint8_t data){
	static char model[20];
	char *retStr = model;
	memset(model,0, sizeof(model));

	switch (data) {
		case 0x0: sprintf(retStr, "SRIX4K (Special)"); break;
		case 0x2: sprintf(retStr, "SR176"); break;
		case 0x3: sprintf(retStr, "SRIX4K"); break;
		case 0x4: sprintf(retStr, "SRIX512"); break;
		case 0x6: sprintf(retStr, "SRI512"); break;
		case 0x7: sprintf(retStr, "SRI4K"); break;
		case 0xC: sprintf(retStr, "SRT512"); break;
		default: sprintf(retStr, "Unknown"); break;
	}
	return retStr;
}

static void print_st_info(uint8_t *data){
	//uid = first 8 bytes in data
	PrintAndLog(" UID: %s", sprint_hex(data,8));
	PrintAndLog(" MFG: %02X, %s", data[1], getTagInfo(data[1]));
	PrintAndLog("Chip: %02X, %s", data[2]>>2, get_ST_Chip_Model(data[2]>>2));
	return;
}

int HF14BStdRead(uint8_t *data, uint8_t *datalen){
  bool crc = true;
  *datalen = 3;
  //std read cmd
  data[0] = 0x05;
  data[1] = 0x00;
  data[2] = 0x08;

	int ans = HF14BCmdRaw(true, &crc, 2, data, datalen, false);

  if (!ans) return 0;
  if (data[0] != 0x50  || *datalen < 14 || !crc) return 0;

  PrintAndLog ("\n14443-3b tag found:");
  print_atqb_resp(data);

  return 1;
}


int HF14B_ST_Read(uint8_t *data, uint8_t *datalen){
  bool crc = true;
  *datalen = 2;
	//wake cmd
  data[0] = 0x06;
  data[1] = 0x00;
	//power on and reset tracing
	int ans = HF14BCmdRaw(true, &crc, 3, data, datalen, true);

	if (!ans) return rawClose();
	if (*datalen < 3 || !crc) return rawClose();

  uint8_t chipID = data[0];
	// select
  data[0] = 0x0E;
  data[1] = chipID;
  *datalen = 2;
	msleep(100);
	//power on
	ans = HF14BCmdRaw(true, &crc, 1, data, datalen, true);

	if (!ans) return rawClose();
	if (*datalen < 3 || !crc) return rawClose();

	// get uid
  data[0] = 0x0B;
  *datalen = 1;
	msleep(100);
	//power off
	ans = HF14BCmdRaw(true, &crc, 0, data, datalen, true);

  if (!ans) return 0;
  if (*datalen < 10 || !crc) return 0;

	PrintAndLog("\n14443-3b ST tag found:");
	print_st_info(data);
  return 1;

}

int HF14BReader(bool verbose){
  uint8_t data[100];
  uint8_t datalen = 5;
  
  // try std 14b (atqb)
  int ans = HF14BStdRead(data, &datalen);
  if (ans) return 1;

  // try st 14b
  ans = HF14B_ST_Read(data, &datalen);
  if (ans) return 1;
	if (verbose) PrintAndLog("no 14443B tag found");
	return 0;

}

int CmdHF14BReader(const char *Cmd)
{
	return HF14BReader(true);
  //UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_14443, {strtol(Cmd, NULL, 0), 0, 0}};
  //SendCommand(&c);
}

int CmdHF14BWrite( const char *Cmd){

/*
 * For SRIX4K  blocks 00 - 7F
 * hf 14b raw -c -p 09 $srix4kwblock $srix4kwdata
 *
 * For SR512  blocks 00 - 0F
 * hf 14b raw -c -p 09 $sr512wblock $sr512wdata
 * 
 * Special block FF =  otp_lock_reg block.
 * Data len 4 bytes-
 */
 	char cmdp = param_getchar(Cmd, 0);
	uint8_t blockno = -1;
	uint8_t data[4] = {0x00};
	bool isSrix4k = true;
	char str[20];	

	if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
		PrintAndLog("Usage:  hf 14b write <1|2> <BLOCK> <DATA>");
		PrintAndLog("    [1 = SRIX4K]");
		PrintAndLog("    [2 = SRI512]");
		PrintAndLog("    [BLOCK number depends on tag, special block == FF]");
		PrintAndLog("     sample: hf 14b write 1 7F 11223344");
		PrintAndLog("           : hf 14b write 1 FF 11223344");
		PrintAndLog("           : hf 14b write 2 15 11223344");
		PrintAndLog("           : hf 14b write 2 FF 11223344");
		return 0;
	}

	if ( cmdp == '2' )
		isSrix4k = false;
	
	//blockno = param_get8(Cmd, 1);
	
	if ( param_gethex(Cmd,1, &blockno, 2) ) {
		PrintAndLog("Block number must include 2 HEX symbols");
		return 0;
	}
	
	if ( isSrix4k ){
		if ( blockno > 0x7f && blockno != 0xff ){
			PrintAndLog("Block number out of range");
			return 0;
		}		
	} else {
		if ( blockno > 0x0f && blockno != 0xff ){
			PrintAndLog("Block number out of range");
			return 0;
		}		
	}
	
	if (param_gethex(Cmd, 2, data, 8)) {
		PrintAndLog("Data must include 8 HEX symbols");
		return 0;
	}
 
	if ( blockno == 0xff)
		PrintAndLog("[%s] Write special block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512" , blockno,  sprint_hex(data,4) );
	else
		PrintAndLog("[%s] Write block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512", blockno,  sprint_hex(data,4) );
 
	sprintf(str, "-c 09 %02x %02x%02x%02x%02x", blockno, data[0], data[1], data[2], data[3]);

	CmdHF14BCmdRaw(str);
	return 0;
}

static command_t CommandTable[] = 
{
  {"help",        CmdHelp,        1, "This help"},
  {"demod",       CmdHF14BDemod,  1, "Demodulate ISO14443 Type B from tag"},
  {"list",        CmdHF14BList,   0, "[Deprecated] List ISO 14443b history"},
  {"reader",      CmdHF14BReader, 0, "Find 14b tag (HF ISO 14443b)"},
  {"sim",         CmdHF14Sim,     0, "Fake ISO 14443 tag"},
  {"simlisten",   CmdHFSimlisten, 0, "Get HF samples as fake tag"},
  {"snoop",       CmdHF14BSnoop,  0, "Eavesdrop ISO 14443"},
  {"sri512read",  CmdSri512Read,  0, "Read contents of a SRI512 tag"},
  {"srix4kread",  CmdSrix4kRead,  0, "Read contents of a SRIX4K tag"},
  {"raw",         CmdHF14BCmdRaw, 0, "Send raw hex data to tag"},
  {"write",       CmdHF14BWrite,  0, "Write data to a SRI512 | SRIX4K tag"},
  {NULL, NULL, 0, NULL}
};

int CmdHF14B(const char *Cmd)
{
  CmdsParse(CommandTable, Cmd);
  return 0;
}

int CmdHelp(const char *Cmd)
{
  CmdsHelp(CommandTable);
  return 0;
}
Commit	Line	Data
a553f267	1	//-----------------------------------------------------------------------------
	2	// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
	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 ISO14443B commands
	9	//-----------------------------------------------------------------------------
	10
7fe9b0b7	11	#include <stdio.h>
	12	#include <stdlib.h>
	13	#include <stdbool.h>
	14	#include <string.h>
	15	#include <stdint.h>
	16	#include "iso14443crc.h"
902cb3c0	17	#include "proxmark3.h"
7fe9b0b7	18	#include "data.h"
7fe9b0b7	19	#include "graph.h"
3fe4ff4f	20	#include "util.h"
7fe9b0b7	21	#include "ui.h"
	22	#include "cmdparser.h"
	23	#include "cmdhf14b.h"
7cf3ef20	24	#include "cmdmain.h"
d71d59db	25	#include "cmdhf14a.h"
d71d59db	26	#include "sleep.h"
7fe9b0b7	27
	28	static int CmdHelp(const char *Cmd);
	29
	30	int CmdHF14BDemod(const char *Cmd)
	31	{
	32	int i, j, iold;
	33	int isum, qsum;
	34	int outOfWeakAt;
	35	bool negateI, negateQ;
	36
	37	uint8_t data[256];
	38	int dataLen = 0;
	39
	40	// As received, the samples are pairs, correlations against I and Q
	41	// square waves. So estimate angle of initial carrier (or just
	42	// quadrant, actually), and then do the demod.
	43
	44	// First, estimate where the tag starts modulating.
	45	for (i = 0; i < GraphTraceLen; i += 2) {
	46	if (abs(GraphBuffer[i]) + abs(GraphBuffer[i + 1]) > 40) {
	47	break;
	48	}
	49	}
	50	if (i >= GraphTraceLen) {
	51	PrintAndLog("too weak to sync");
	52	return 0;
	53	}
	54	PrintAndLog("out of weak at %d", i);
	55	outOfWeakAt = i;
	56
	57	// Now, estimate the phase in the initial modulation of the tag
	58	isum = 0;
	59	qsum = 0;
	60	for (; i < (outOfWeakAt + 16); i += 2) {
	61	isum += GraphBuffer[i + 0];
	62	qsum += GraphBuffer[i + 1];
	63	}
	64	negateI = (isum < 0);
	65	negateQ = (qsum < 0);
	66
	67	// Turn the correlation pairs into soft decisions on the bit.
	68	j = 0;
	69	for (i = 0; i < GraphTraceLen / 2; i++) {
	70	int si = GraphBuffer[j];
	71	int sq = GraphBuffer[j + 1];
	72	if (negateI) si = -si;
	73	if (negateQ) sq = -sq;
	74	GraphBuffer[i] = si + sq;
	75	j += 2;
	76	}
	77	GraphTraceLen = i;
	78
	79	i = outOfWeakAt / 2;
	80	while (GraphBuffer[i] > 0 && i < GraphTraceLen)
	81	i++;
	82	if (i >= GraphTraceLen) goto demodError;
	83
	84	iold = i;
	85	while (GraphBuffer[i] < 0 && i < GraphTraceLen)
	86	i++;
	87	if (i >= GraphTraceLen) goto demodError;
	88	if ((i - iold) > 23) goto demodError;
	89
	90	PrintAndLog("make it to demod loop");
91
92	for (;;) {
93	iold = i;
94	while (GraphBuffer[i] >= 0 && i < GraphTraceLen)
95	i++;
96	if (i >= GraphTraceLen) goto demodError;
97	if ((i - iold) > 6) goto demodError;
98
99	uint16_t shiftReg = 0;
100	if (i + 20 >= GraphTraceLen) goto demodError;
101
102	for (j = 0; j < 10; j++) {
103	int soft = GraphBuffer[i] + GraphBuffer[i + 1];
104
105	if (abs(soft) < (abs(isum) + abs(qsum)) / 20) {
106	PrintAndLog("weak bit");
107	}
108
109	shiftReg >>= 1;
110	if(GraphBuffer[i] + GraphBuffer[i+1] >= 0) {
111	shiftReg \|= 0x200;
112	}
113
114	i+= 2;
115	}
116
117	if ((shiftReg & 0x200) && !(shiftReg & 0x001))
118	{
119	// valid data byte, start and stop bits okay
120	PrintAndLog(" %02x", (shiftReg >> 1) & 0xff);
121	data[dataLen++] = (shiftReg >> 1) & 0xff;
122	if (dataLen >= sizeof(data)) {
123	return 0;
124	}
125	} else if (shiftReg == 0x000) {
126	// this is EOF
127	break;
128	} else {
129	goto demodError;
130	}
131	}
132
133	uint8_t first, second;
134	ComputeCrc14443(CRC_14443_B, data, dataLen-2, &first, &second);
135	PrintAndLog("CRC: %02x %02x (%s)\n", first, second,
136	(first == data[dataLen-2] && second == data[dataLen-1]) ?
137	"ok" : "**FAIL**");
138
139	RepaintGraphWindow();
140	return 0;
141
142	demodError:
143	PrintAndLog("demod error");
144	RepaintGraphWindow();
145	return 0;
146	}
147
148	int CmdHF14BList(const char *Cmd)
149	{
388c92bd	150	PrintAndLog("Deprecated command, use 'hf list 14b' instead");
7fe9b0b7	151
388c92bd	152	return 0;
7fe9b0b7	153	}
7fe9b0b7	154
	155	int CmdHF14Sim(const char *Cmd)
	156	{
	157	UsbCommand c={CMD_SIMULATE_TAG_ISO_14443};
	158	SendCommand(&c);
	159	return 0;
	160	}
	161
	162	int CmdHFSimlisten(const char *Cmd)
	163	{
	164	UsbCommand c = {CMD_SIMULATE_TAG_HF_LISTEN};
	165	SendCommand(&c);
	166	return 0;
	167	}
	168
	169	int CmdHF14BSnoop(const char *Cmd)
	170	{
	171	UsbCommand c = {CMD_SNOOP_ISO_14443};
	172	SendCommand(&c);
	173	return 0;
	174	}
	175
	176	/* New command to read the contents of a SRI512 tag
	177	* SRI512 tags are ISO14443-B modulated memory tags,
	178	* this command just dumps the contents of the memory
	179	*/
	180	int CmdSri512Read(const char *Cmd)
	181	{
	182	UsbCommand c = {CMD_READ_SRI512_TAG, {strtol(Cmd, NULL, 0), 0, 0}};
	183	SendCommand(&c);
	184	return 0;
	185	}
	186
	187	/* New command to read the contents of a SRIX4K tag
	188	* SRIX4K tags are ISO14443-B modulated memory tags,
	189	* this command just dumps the contents of the memory/
	190	*/
	191	int CmdSrix4kRead(const char *Cmd)
	192	{
	193	UsbCommand c = {CMD_READ_SRIX4K_TAG, {strtol(Cmd, NULL, 0), 0, 0}};
	194	SendCommand(&c);
	195	return 0;
	196	}
	197
d71d59db	198	int rawClose(void){
7cf3ef20	199	UsbCommand resp;
d71d59db	200	UsbCommand c = {CMD_ISO_14443B_COMMAND, {0, 0, 0}};
	201	SendCommand(&c);
	202	if (!WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
	203	return 0;
	204	}
	205	return 0;
	206	}
	207
	208	int HF14BCmdRaw(bool reply, bool crc, uint8_t power_trace, uint8_t data, uint8_t *datalen, bool verbose){
	209	UsbCommand resp;
	210	UsbCommand c = {CMD_ISO_14443B_COMMAND, {0, 0, 0}}; // len,recv,power
1299c798	211	if(*crc)
	212	{
	213	uint8_t first, second;
	214	ComputeCrc14443(CRC_14443_B, data, *datalen, &first, &second);
	215	data[*datalen] = first;
	216	data[*datalen + 1] = second;
	217	*datalen += 2;
	218	}
	219
	220	c.arg[0] = *datalen;
	221	c.arg[1] = reply;
d71d59db	222	c.arg[2] = power_trace;
1299c798	223	memcpy(c.d.asBytes,data,*datalen);
	224	SendCommand(&c);
	225
	226	if (!reply) return 1;
	227
	228	if (!WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
	229	if (verbose) PrintAndLog("timeout while waiting for reply.");
	230	return 0;
	231	}
	232	*datalen = resp.arg[0];
d71d59db	233	if (verbose) PrintAndLog("received %u octets", *datalen);
1299c798	234	if(!*datalen)
	235	return 0;
	236
	237	memcpy(data, resp.d.asBytes, *datalen);
	238	if (verbose) PrintAndLog("%s", sprint_hex(data, *datalen));
	239
	240	uint8_t first, second;
	241	ComputeCrc14443(CRC_14443_B, data, *datalen-2, &first, &second);
	242	if(data[datalen-2] == first && data[datalen-1] == second) {
	243	if (verbose) PrintAndLog("CRC OK");
	244	*crc = true;
	245	} else {
	246	if (verbose) PrintAndLog("CRC failed");
	247	*crc = false;
	248	}
	249	return 1;
	250	}
	251
	252	int CmdHF14BCmdRaw (const char *Cmd) {
	253	bool reply = true;
	254	bool crc = false;
d71d59db	255	uint8_t power_trace = 0;
7cf3ef20	256	char buf[5]="";
5ee70129	257	uint8_t data[100] = {0x00};
1299c798	258	uint8_t datalen = 0;
	259	unsigned int temp;
	260	int i = 0;
	261	if (strlen(Cmd)<3) {
7cf3ef20	262	PrintAndLog("Usage: hf 14b raw [-r] [-c] [-p] <0A 0B 0C ... hex>");
	263	PrintAndLog(" -r do not read response");
	264	PrintAndLog(" -c calculate and append CRC");
	265	PrintAndLog(" -p leave the field on after receive");
	266	return 0;
	267	}
	268
	269	// strip
1299c798	270	while (Cmd==' ' \|\| Cmd=='\t') Cmd++;
7cf3ef20	271
1299c798	272	while (Cmd[i]!='\0') {
	273	if (Cmd[i]==' ' \|\| Cmd[i]=='\t') { i++; continue; }
	274	if (Cmd[i]=='-') {
	275	switch (Cmd[i+1]) {
7cf3ef20	276	case 'r':
7cf3ef20	277	case 'R':
1299c798	278	reply = false;
7cf3ef20	279	break;
	280	case 'c':
	281	case 'C':
1299c798	282	crc = true;
7cf3ef20	283	break;
	284	case 'p':
	285	case 'P':
d71d59db	286	power_trace \|= 1;
7cf3ef20	287	break;
	288	default:
	289	PrintAndLog("Invalid option");
	290	return 0;
	291	}
	292	i+=2;
	293	continue;
	294	}
1299c798	295	if ((Cmd[i]>='0' && Cmd[i]<='9') \|\|
	296	(Cmd[i]>='a' && Cmd[i]<='f') \|\|
	297	(Cmd[i]>='A' && Cmd[i]<='F') ) {
7cf3ef20	298	buf[strlen(buf)+1]=0;
1299c798	299	buf[strlen(buf)]=Cmd[i];
7cf3ef20	300	i++;
	301
	302	if (strlen(buf)>=2) {
	303	sscanf(buf,"%x",&temp);
1299c798	304	data[datalen++]=(uint8_t)(temp & 0xff);
7cf3ef20	305	*buf=0;
	306	}
	307	continue;
	308	}
	309	PrintAndLog("Invalid char on input");
5ee70129	310	return 1;
7cf3ef20	311	}
06b82e6a	312	if (datalen == 0)
	313	{
	314	PrintAndLog("Missing data input");
	315	return 0;
	316	}
1299c798	317
d71d59db	318	return HF14BCmdRaw(reply, &crc, power_trace, data, &datalen, true);
1299c798	319	}
1299c798	320
d71d59db	321	static void print_atqb_resp(uint8_t *data){
1299c798	322	PrintAndLog (" UID: %s", sprint_hex(data+1,4));
	323	PrintAndLog (" App Data: %s", sprint_hex(data+5,4));
	324	PrintAndLog (" Protocol: %s", sprint_hex(data+9,3));
	325	uint8_t BitRate = data[9];
	326	if (!BitRate)
	327	PrintAndLog (" Bit Rate: 106 kbit/s only PICC <-> PCD");
	328	if (BitRate & 0x10)
	329	PrintAndLog (" Bit Rate: 212 kbit/s PICC -> PCD supported");
	330	if (BitRate & 0x20)
	331	PrintAndLog (" Bit Rate: 424 kbit/s PICC -> PCD supported");
	332	if (BitRate & 0x40)
	333	PrintAndLog (" Bit Rate: 847 kbit/s PICC -> PCD supported");
	334	if (BitRate & 0x01)
	335	PrintAndLog (" Bit Rate: 212 kbit/s PICC <- PCD supported");
	336	if (BitRate & 0x02)
	337	PrintAndLog (" Bit Rate: 424 kbit/s PICC <- PCD supported");
	338	if (BitRate & 0x04)
	339	PrintAndLog (" Bit Rate: 847 kbit/s PICC <- PCD supported");
	340	if (BitRate & 0x80)
	341	PrintAndLog (" Same bit rate <-> required");
	342
	343	uint16_t maxFrame = data[10]>>4;
	344	if (maxFrame < 5)
	345	maxFrame = 8*maxFrame + 16;
	346	else if (maxFrame == 5)
	347	maxFrame = 64;
	348	else if (maxFrame == 6)
	349	maxFrame = 96;
	350	else if (maxFrame == 7)
	351	maxFrame = 128;
	352	else if (maxFrame == 8)
	353	maxFrame = 256;
	354	else
	355	maxFrame = 257;
	356
	357	PrintAndLog ("Max Frame Size: %d%s",maxFrame, (maxFrame == 257) ? "+ RFU" : "");
	358
	359	uint8_t protocolT = data[10] & 0xF;
	360	PrintAndLog (" Protocol Type: Protocol is %scompliant with ISO/IEC 14443-4",(protocolT) ? "" : "not " );
	361	PrintAndLog ("Frame Wait Int: %d", data[11]>>4);
	362	PrintAndLog (" App Data Code: Application is %s",(data[11]&4) ? "Standard" : "Proprietary");
	363	PrintAndLog (" Frame Options: NAD is %ssupported",(data[11]&2) ? "" : "not ");
	364	PrintAndLog (" Frame Options: CID is %ssupported",(data[11]&1) ? "" : "not ");
	365
	366	return;
	367	}
	368
d71d59db	369	char *get_ST_Chip_Model(uint8_t data){
	370	static char model[20];
	371	char *retStr = model;
	372	memset(model,0, sizeof(model));
	373
	374	switch (data) {
	375	case 0x0: sprintf(retStr, "SRIX4K (Special)"); break;
	376	case 0x2: sprintf(retStr, "SR176"); break;
	377	case 0x3: sprintf(retStr, "SRIX4K"); break;
	378	case 0x4: sprintf(retStr, "SRIX512"); break;
	379	case 0x6: sprintf(retStr, "SRI512"); break;
	380	case 0x7: sprintf(retStr, "SRI4K"); break;
	381	case 0xC: sprintf(retStr, "SRT512"); break;
	382	default: sprintf(retStr, "Unknown"); break;
	383	}
	384	return retStr;
	385	}
	386
	387	static void print_st_info(uint8_t *data){
	388	//uid = first 8 bytes in data
	389	PrintAndLog(" UID: %s", sprint_hex(data,8));
	390	PrintAndLog(" MFG: %02X, %s", data[1], getTagInfo(data[1]));
	391	PrintAndLog("Chip: %02X, %s", data[2]>>2, get_ST_Chip_Model(data[2]>>2));
	392	return;
	393	}
	394
1299c798	395	int HF14BStdRead(uint8_t data, uint8_t datalen){
	396	bool crc = true;
	397	*datalen = 3;
	398	//std read cmd
	399	data[0] = 0x05;
	400	data[1] = 0x00;
	401	data[2] = 0x08;
1299c798	402
d71d59db	403	int ans = HF14BCmdRaw(true, &crc, 2, data, datalen, false);
1299c798	404
	405	if (!ans) return 0;
	406	if (data[0] != 0x50 \|\| *datalen < 14 \|\| !crc) return 0;
	407
	408	PrintAndLog ("\n14443-3b tag found:");
	409	print_atqb_resp(data);
	410
	411	return 1;
	412	}
	413
d71d59db	414
d71d59db	415
1299c798	416	int HF14B_ST_Read(uint8_t data, uint8_t datalen){
	417	bool crc = true;
	418	*datalen = 2;
d71d59db	419	//wake cmd
1299c798	420	data[0] = 0x06;
1299c798	421	data[1] = 0x00;
d71d59db	422	//power on and reset tracing
d71d59db	423	int ans = HF14BCmdRaw(true, &crc, 3, data, datalen, true);
1299c798	424
d71d59db	425	if (!ans) return rawClose();
d71d59db	426	if (*datalen < 3 \|\| !crc) return rawClose();
1299c798	427
1299c798	428	uint8_t chipID = data[0];
d71d59db	429	// select
1299c798	430	data[0] = 0x0E;
	431	data[1] = chipID;
	432	*datalen = 2;
d71d59db	433	msleep(100);
	434	//power on
	435	ans = HF14BCmdRaw(true, &crc, 1, data, datalen, true);
1299c798	436
d71d59db	437	if (!ans) return rawClose();
d71d59db	438	if (*datalen < 3 \|\| !crc) return rawClose();
1299c798	439
d71d59db	440	// get uid
1299c798	441	data[0] = 0x0B;
1299c798	442	*datalen = 1;
d71d59db	443	msleep(100);
	444	//power off
	445	ans = HF14BCmdRaw(true, &crc, 0, data, datalen, true);
1299c798	446
	447	if (!ans) return 0;
	448	if (*datalen < 10 \|\| !crc) return 0;
	449
d71d59db	450	PrintAndLog("\n14443-3b ST tag found:");
d71d59db	451	print_st_info(data);
1299c798	452	return 1;
	453
	454	}
	455
d71d59db	456	int HF14BReader(bool verbose){
1299c798	457	uint8_t data[100];
	458	uint8_t datalen = 5;
	459
	460	// try std 14b (atqb)
	461	int ans = HF14BStdRead(data, &datalen);
	462	if (ans) return 1;
	463
	464	// try st 14b
	465	ans = HF14B_ST_Read(data, &datalen);
	466	if (ans) return 1;
d71d59db	467	if (verbose) PrintAndLog("no 14443B tag found");
d71d59db	468	return 0;
1299c798	469
d71d59db	470	}
	471
	472	int CmdHF14BReader(const char *Cmd)
	473	{
	474	return HF14BReader(true);
1299c798	475	//UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_14443, {strtol(Cmd, NULL, 0), 0, 0}};
1299c798	476	//SendCommand(&c);
7cf3ef20	477	}
7cf3ef20	478
3fe4ff4f	479	int CmdHF14BWrite( const char *Cmd){
	480
	481	/*
	482	* For SRIX4K blocks 00 - 7F
	483	* hf 14b raw -c -p 09 $srix4kwblock $srix4kwdata
	484	*
	485	* For SR512 blocks 00 - 0F
	486	* hf 14b raw -c -p 09 $sr512wblock $sr512wdata
	487	*
	488	* Special block FF = otp_lock_reg block.
	489	* Data len 4 bytes-
	490	*/
	491	char cmdp = param_getchar(Cmd, 0);
	492	uint8_t blockno = -1;
	493	uint8_t data[4] = {0x00};
	494	bool isSrix4k = true;
	495	char str[20];
	496
b5be31f9	497	if (strlen(Cmd) < 1 \|\| cmdp == 'h' \|\| cmdp == 'H') {
3fe4ff4f	498	PrintAndLog("Usage: hf 14b write <1\|2> <BLOCK> <DATA>");
b5be31f9	499	PrintAndLog(" [1 = SRIX4K]");
	500	PrintAndLog(" [2 = SRI512]");
	501	PrintAndLog(" [BLOCK number depends on tag, special block == FF]");
	502	PrintAndLog(" sample: hf 14b write 1 7F 11223344");
	503	PrintAndLog(" : hf 14b write 1 FF 11223344");
	504	PrintAndLog(" : hf 14b write 2 15 11223344");
	505	PrintAndLog(" : hf 14b write 2 FF 11223344");
3fe4ff4f	506	return 0;
	507	}
	508
b5be31f9	509	if ( cmdp == '2' )
3fe4ff4f	510	isSrix4k = false;
3fe4ff4f	511
b5be31f9	512	//blockno = param_get8(Cmd, 1);
	513
	514	if ( param_gethex(Cmd,1, &blockno, 2) ) {
	515	PrintAndLog("Block number must include 2 HEX symbols");
	516	return 0;
	517	}
3fe4ff4f	518
	519	if ( isSrix4k ){
	520	if ( blockno > 0x7f && blockno != 0xff ){
	521	PrintAndLog("Block number out of range");
	522	return 0;
	523	}
	524	} else {
	525	if ( blockno > 0x0f && blockno != 0xff ){
	526	PrintAndLog("Block number out of range");
	527	return 0;
	528	}
	529	}
	530
	531	if (param_gethex(Cmd, 2, data, 8)) {
	532	PrintAndLog("Data must include 8 HEX symbols");
	533	return 0;
	534	}
	535
	536	if ( blockno == 0xff)
b5be31f9	537	PrintAndLog("[%s] Write special block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512" , blockno, sprint_hex(data,4) );
3fe4ff4f	538	else
b5be31f9	539	PrintAndLog("[%s] Write block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512", blockno, sprint_hex(data,4) );
3fe4ff4f	540
fe5b3a44	541	sprintf(str, "-c 09 %02x %02x%02x%02x%02x", blockno, data[0], data[1], data[2], data[3]);
b5be31f9	542
3fe4ff4f	543	CmdHF14BCmdRaw(str);
	544	return 0;
	545	}
	546
7fe9b0b7	547	static command_t CommandTable[] =
	548	{
	549	{"help", CmdHelp, 1, "This help"},
	550	{"demod", CmdHF14BDemod, 1, "Demodulate ISO14443 Type B from tag"},
388c92bd	551	{"list", CmdHF14BList, 0, "[Deprecated] List ISO 14443b history"},
1299c798	552	{"reader", CmdHF14BReader, 0, "Find 14b tag (HF ISO 14443b)"},
7fe9b0b7	553	{"sim", CmdHF14Sim, 0, "Fake ISO 14443 tag"},
	554	{"simlisten", CmdHFSimlisten, 0, "Get HF samples as fake tag"},
	555	{"snoop", CmdHF14BSnoop, 0, "Eavesdrop ISO 14443"},
7cf3ef20	556	{"sri512read", CmdSri512Read, 0, "Read contents of a SRI512 tag"},
	557	{"srix4kread", CmdSrix4kRead, 0, "Read contents of a SRIX4K tag"},
	558	{"raw", CmdHF14BCmdRaw, 0, "Send raw hex data to tag"},
3fe4ff4f	559	{"write", CmdHF14BWrite, 0, "Write data to a SRI512 \| SRIX4K tag"},
7fe9b0b7	560	{NULL, NULL, 0, NULL}
	561	};
	562
	563	int CmdHF14B(const char *Cmd)
	564	{
	565	CmdsParse(CommandTable, Cmd);
	566	return 0;
	567	}
	568
	569	int CmdHelp(const char *Cmd)
	570	{
	571	CmdsHelp(CommandTable);
	572	return 0;
	573	}