[proxmark3-svn] / client / cmdlfhitag.c

//-----------------------------------------------------------------------------
// Copyright (C) 2012 Roel Verdult
//
// 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.
//-----------------------------------------------------------------------------
// Low frequency Hitag support
//-----------------------------------------------------------------------------

#include "cmdlfhitag.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "comms.h"
#include "ui.h"
#include "cmdparser.h"
#include "common.h"
#include "util.h"
#include "parity.h"
#include "hitag2.h"
#include "hitagS.h"
#include "cmdmain.h"

static int CmdHelp(const char *Cmd);

size_t nbytes(size_t nbits) {
	return (nbits/8)+((nbits%8)>0);
}

int CmdLFHitagList(const char *Cmd)
{
 	uint8_t *got = malloc(USB_CMD_DATA_SIZE);

	// Query for the actual size of the trace
	UsbCommand response;
	GetFromBigBuf(got, USB_CMD_DATA_SIZE, 0, &response, -1, false);
	uint16_t traceLen = response.arg[2];
	if (traceLen > USB_CMD_DATA_SIZE) {
		uint8_t *p = realloc(got, traceLen);
		if (p == NULL) {
			PrintAndLog("Cannot allocate memory for trace");
			free(got);
			return 2;
		}
		got = p;
		GetFromBigBuf(got, traceLen, 0, NULL, -1, false);
	}
	
	PrintAndLog("recorded activity (TraceLen = %d bytes):");
	PrintAndLog(" ETU     :nbits: who bytes");
	PrintAndLog("---------+-----+----+-----------");

	int i = 0;
	int prev = -1;
	int len = strlen(Cmd);

	char filename[FILE_PATH_SIZE]  = { 0x00 };
	FILE* pf = NULL;
  	
	if (len > FILE_PATH_SIZE) 
		len = FILE_PATH_SIZE;
	memcpy(filename, Cmd, len);
   
	if (strlen(filename) > 0) {
		if ((pf = fopen(filename,"wb")) == NULL) {
			PrintAndLog("Error: Could not open file [%s]",filename);
			return 1;
		}
	}

	for (;;) {
  
		if(i > traceLen) { break; }

		bool isResponse;
		int timestamp = *((uint32_t *)(got+i));
		if (timestamp & 0x80000000) {
			timestamp &= 0x7fffffff;
			isResponse = 1;
		} else {
			isResponse = 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 bits = got[i+8];
		int len = nbytes(got[i+8]);

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

		  //if((parityBits >> (len - j - 1)) & 0x01) {
		  if (isResponse && (oddparity8(frame[j]) != ((parityBits >> (len - j - 1)) & 0x01))) {
			sprintf(line+(j*4), "%02x!  ", frame[j]);
		  }
		  else {
			sprintf(line+(j*4), "%02x   ", frame[j]);
		  }
		}

		PrintAndLog(" +%7d:  %3d: %s %s",
			(prev < 0 ? 0 : (timestamp - prev)),
			bits,
			(isResponse ? "TAG" : "   "),
			line);

		if (pf) {
			fprintf(pf," +%7d:  %3d: %s %s\n",
				(prev < 0 ? 0 : (timestamp - prev)),
				bits,
				(isResponse ? "TAG" : "   "),
				line);
		}
		
		prev = timestamp;
		i += (len + 9);
	}
  
	if (pf) {
		fclose(pf);
		PrintAndLog("Recorded activity succesfully written to file: %s", filename);
	}

	free(got);
	return 0;
}

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

int CmdLFHitagSim(const char *Cmd) {
    
  UsbCommand c = {CMD_SIMULATE_HITAG};
	char filename[FILE_PATH_SIZE] = { 0x00 };
	FILE* pf;
	bool tag_mem_supplied;
	int len = strlen(Cmd);
	if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
	memcpy(filename, Cmd, len);
	
	if (strlen(filename) > 0) {
		if ((pf = fopen(filename,"rb+")) == NULL) {
			PrintAndLog("Error: Could not open file [%s]",filename);
			return 1;
		}
		tag_mem_supplied = true;
		if (fread(c.d.asBytes,48,1,pf) == 0) {
      PrintAndLog("Error: File reading error");
      fclose(pf);
			return 1;
    }
		fclose(pf);
	} else {
		tag_mem_supplied = false;
	}
	
	// Does the tag comes with memory
	c.arg[0] = (uint32_t)tag_mem_supplied;

  SendCommand(&c);
  return 0;
}

int CmdLFHitagReader(const char *Cmd) {
	UsbCommand c = {CMD_READER_HITAG};//, {param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),param_get32ex(Cmd,3,0,16)}};
	hitag_data* htd = (hitag_data*)c.d.asBytes;
	hitag_function htf = param_get32ex(Cmd,0,0,10);
	
	switch (htf) {
		case 01: { //RHTSF_CHALLENGE
			c = (UsbCommand){ CMD_READ_HITAG_S };
			num_to_bytes(param_get32ex(Cmd,1,0,16),4,htd->auth.NrAr);
			num_to_bytes(param_get32ex(Cmd,2,0,16),4,htd->auth.NrAr+4);
		} break;
		case 02: { //RHTSF_KEY
			c = (UsbCommand){ CMD_READ_HITAG_S };
			num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
		} break;
		case RHT2F_PASSWORD: {
			num_to_bytes(param_get32ex(Cmd,1,0,16),4,htd->pwd.password);
		} break;
		case RHT2F_AUTHENTICATE: {
			num_to_bytes(param_get32ex(Cmd,1,0,16),4,htd->auth.NrAr);
			num_to_bytes(param_get32ex(Cmd,2,0,16),4,htd->auth.NrAr+4);
		} break;
		case RHT2F_CRYPTO: {
			num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
			//			num_to_bytes(param_get32ex(Cmd,2,0,16),4,htd->auth.NrAr+4);
		} break;
		case RHT2F_TEST_AUTH_ATTEMPTS: {
			// No additional parameters needed
		} break;
		case RHT2F_UID_ONLY: {
			// No additional parameters needed
		} break;
		default: {
			PrintAndLog("\nError: unkown reader function %d",htf);
			PrintAndLog("");
			PrintAndLog("Usage: hitag reader <Reader Function #>");
			PrintAndLog("Reader Functions:");
			PrintAndLog(" HitagS (0*)");
			PrintAndLog("  01 <nr> <ar> (Challenge) read all pages from a Hitag S tag");
			PrintAndLog("  02 <key> (set to 0 if no authentication is needed) read all pages from a Hitag S tag");
			PrintAndLog(" Hitag1 (1*)");
			PrintAndLog(" Hitag2 (2*)");
			PrintAndLog("  21 <password> (password mode)");
			PrintAndLog("  22 <nr> <ar> (authentication)");
			PrintAndLog("  23 <key> (authentication) key is in format: ISK high + ISK low");
			PrintAndLog("  25 (test recorded authentications)");
			PrintAndLog("  26 just read UID");
			return 1;
		} break;
	}

	// Copy the hitag2 function into the first argument
	c.arg[0] = htf;

	// Send the command to the proxmark
	clearCommandBuffer();
	SendCommand(&c);

	UsbCommand resp;
	WaitForResponse(CMD_ACK,&resp);

	// Check the return status, stored in the first argument
	if (resp.arg[0] == false) return 1;
	
	uint32_t id = bytes_to_num(resp.d.asBytes,4);
		
	if (htf == RHT2F_UID_ONLY){
		PrintAndLog("Valid Hitag2 tag found - UID: %08x",id);
	} else {
		char filename[256];
		FILE* pf = NULL;

		sprintf(filename,"%08x_%04x.ht2",id,(rand() & 0xffff));
		if ((pf = fopen(filename,"wb")) == NULL) {
		  PrintAndLog("Error: Could not open file [%s]",filename);
		  return 1;
		}

		// Write the 48 tag memory bytes to file and finalize
		fwrite(resp.d.asBytes,1,48,pf);
		fclose(pf);

		PrintAndLog("Succesfully saved tag memory to [%s]",filename);
	}


	return 0;
}


int CmdLFHitagSimS(const char *Cmd) {
	UsbCommand c = { CMD_SIMULATE_HITAG_S };
	char filename[FILE_PATH_SIZE] = { 0x00 };
	FILE* pf;
	bool tag_mem_supplied;
	int len = strlen(Cmd);
	if (len > FILE_PATH_SIZE)
		len = FILE_PATH_SIZE;
	memcpy(filename, Cmd, len);

	if (strlen(filename) > 0) {
		if ((pf = fopen(filename, "rb+")) == NULL) {
			PrintAndLog("Error: Could not open file [%s]", filename);
			return 1;
		}
		tag_mem_supplied = true;
		if (fread(c.d.asBytes, 4*64, 1, pf) == 0) {
			PrintAndLog("Error: File reading error");
			fclose(pf);
			return 1;
		}
		fclose(pf);
	} else {
		tag_mem_supplied = false;
	}

	// Does the tag comes with memory
	c.arg[0] = (uint32_t) tag_mem_supplied;

	SendCommand(&c);
	return 0;
}

int CmdLFHitagCheckChallenges(const char *Cmd) {
	UsbCommand c = { CMD_TEST_HITAGS_TRACES };
	char filename[FILE_PATH_SIZE] = { 0x00 };
	FILE* pf;
	bool file_given;
	int len = strlen(Cmd);
	if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
	memcpy(filename, Cmd, len);
	
	if (strlen(filename) > 0) {
		if ((pf = fopen(filename,"rb+")) == NULL) {
			PrintAndLog("Error: Could not open file [%s]",filename);
			return 1;
		}
		file_given = true;
		if (fread(c.d.asBytes,8*60,1,pf) == 0) {
      PrintAndLog("Error: File reading error");
      fclose(pf);
			return 1;
        }
		fclose(pf);
	} else {
		file_given = false;
	}
	
	//file with all the challenges to try
	c.arg[0] = (uint32_t)file_given;

  SendCommand(&c);
  return 0;
}


int CmdLFHitagWP(const char *Cmd) {
	UsbCommand c = { CMD_WR_HITAG_S };
	hitag_data* htd = (hitag_data*)c.d.asBytes;
	hitag_function htf = param_get32ex(Cmd,0,0,10);
	switch (htf) {
		case 03: { //WHTSF_CHALLENGE
			num_to_bytes(param_get64ex(Cmd,1,0,16),8,htd->auth.NrAr);
			c.arg[2]= param_get32ex(Cmd, 2, 0, 10);
			num_to_bytes(param_get32ex(Cmd,3,0,16),4,htd->auth.data);
		} break;
		case 04:
		case 24:
		{ //WHTSF_KEY
			num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
			c.arg[2]= param_get32ex(Cmd, 2, 0, 10);
			num_to_bytes(param_get32ex(Cmd,3,0,16),4,htd->crypto.data);

		} break;
		default: {
			PrintAndLog("Error: unkown writer function %d",htf);
			PrintAndLog("Hitag writer functions");
			PrintAndLog(" HitagS (0*)");
			PrintAndLog("  03 <nr,ar> (Challenge) <page> <byte0...byte3> write page on a Hitag S tag");
			PrintAndLog("  04 <key> (set to 0 if no authentication is needed) <page> <byte0...byte3> write page on a Hitag S tag");
			PrintAndLog(" Hitag1 (1*)");
			PrintAndLog(" Hitag2 (2*)");
			PrintAndLog("  24 <key> (set to 0 if no authentication is needed) <page> <byte0...byte3> write page on a Hitag S tag");
			return 1;
		} break;
	}
	// Copy the hitag function into the first argument
	c.arg[0] = htf;

  // Send the command to the proxmark
  SendCommand(&c);
  
  UsbCommand resp;
  WaitForResponse(CMD_ACK,&resp);
  
  // Check the return status, stored in the first argument
  if (resp.arg[0] == false) return 1;
  return 0;
}


static command_t CommandTable[] = 
{
  {"help",    		CmdHelp,           1, "This help"},
  {"list",    		CmdLFHitagList,    1, "<outfile> List Hitag trace history"},
  {"reader",  		CmdLFHitagReader,  1, "Act like a Hitag Reader"},
  {"sim",     		CmdLFHitagSim,     1, "<infile> Simulate Hitag transponder"},
  {"snoop",   		CmdLFHitagSnoop,   1, "Eavesdrop Hitag communication"},
  {"writer",   		CmdLFHitagWP,      1, "Act like a Hitag Writer" },
  {"simS",   		CmdLFHitagSimS,    1, "<hitagS.hts> Simulate HitagS transponder" }, 
  {"checkChallenges",	CmdLFHitagCheckChallenges,   1, "<challenges.cc> test all challenges" }, {
				NULL,NULL, 0, NULL }
};

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

int CmdHelp(const char *Cmd)
{
  CmdsHelp(CommandTable);
  return 0;
}
Commit	Line	Data
db09cb3a	1	//-----------------------------------------------------------------------------
	2	// Copyright (C) 2012 Roel Verdult
	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	// Low frequency Hitag support
	9	//-----------------------------------------------------------------------------
	10
ad939de5	11	#include "cmdlfhitag.h"
ad939de5	12
db09cb3a	13	#include <stdio.h>
	14	#include <stdlib.h>
	15	#include <string.h>
ad939de5	16	#include "comms.h"
db09cb3a	17	#include "ui.h"
	18	#include "cmdparser.h"
	19	#include "common.h"
	20	#include "util.h"
1f065e1d	21	#include "parity.h"
db09cb3a	22	#include "hitag2.h"
4e12287d	23	#include "hitagS.h"
902cb3c0	24	#include "cmdmain.h"
db09cb3a	25
	26	static int CmdHelp(const char *Cmd);
	27
47e18126	28	size_t nbytes(size_t nbits) {
	29	return (nbits/8)+((nbits%8)>0);
	30	}
	31
db09cb3a	32	int CmdLFHitagList(const char *Cmd)
db09cb3a	33	{
f71f4deb	34	uint8_t *got = malloc(USB_CMD_DATA_SIZE);
	35
	36	// Query for the actual size of the trace
	37	UsbCommand response;
babca445	38	GetFromBigBuf(got, USB_CMD_DATA_SIZE, 0, &response, -1, false);
f71f4deb	39	uint16_t traceLen = response.arg[2];
	40	if (traceLen > USB_CMD_DATA_SIZE) {
	41	uint8_t *p = realloc(got, traceLen);
	42	if (p == NULL) {
	43	PrintAndLog("Cannot allocate memory for trace");
	44	free(got);
	45	return 2;
	46	}
	47	got = p;
babca445	48	GetFromBigBuf(got, traceLen, 0, NULL, -1, false);
f71f4deb	49	}
	50
	51	PrintAndLog("recorded activity (TraceLen = %d bytes):");
	52	PrintAndLog(" ETU :nbits: who bytes");
	53	PrintAndLog("---------+-----+----+-----------");
db09cb3a	54
f71f4deb	55	int i = 0;
	56	int prev = -1;
	57	int len = strlen(Cmd);
b915fda3	58
f71f4deb	59	char filename[FILE_PATH_SIZE] = { 0x00 };
f71f4deb	60	FILE* pf = NULL;
b915fda3	61
f71f4deb	62	if (len > FILE_PATH_SIZE)
	63	len = FILE_PATH_SIZE;
	64	memcpy(filename, Cmd, len);
b915fda3	65
f71f4deb	66	if (strlen(filename) > 0) {
	67	if ((pf = fopen(filename,"wb")) == NULL) {
	68	PrintAndLog("Error: Could not open file [%s]",filename);
	69	return 1;
	70	}
b915fda3	71	}
db09cb3a	72
f71f4deb	73	for (;;) {
b915fda3	74
f71f4deb	75	if(i > traceLen) { break; }
	76
	77	bool isResponse;
	78	int timestamp = ((uint32_t )(got+i));
	79	if (timestamp & 0x80000000) {
	80	timestamp &= 0x7fffffff;
	81	isResponse = 1;
	82	} else {
	83	isResponse = 0;
	84	}
	85
	86	int parityBits = ((uint32_t )(got+i+4));
	87	// 4 bytes of additional information...
	88	// maximum of 32 additional parity bit information
	89	//
	90	// TODO:
	91	// at each quarter bit period we can send power level (16 levels)
	92	// or each half bit period in 256 levels.
	93
	94	int bits = got[i+8];
	95	int len = nbytes(got[i+8]);
	96
	97	if (len > 100) {
	98	break;
	99	}
	100	if (i + len > traceLen) { break;}
	101
	102	uint8_t *frame = (got+i+9);
	103
	104	// Break and stick with current result if buffer was not completely full
	105	if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
	106
	107	char line[1000] = "";
	108	int j;
	109	for (j = 0; j < len; j++) {
f71f4deb	110
f71f4deb	111	//if((parityBits >> (len - j - 1)) & 0x01) {
1f065e1d	112	if (isResponse && (oddparity8(frame[j]) != ((parityBits >> (len - j - 1)) & 0x01))) {
f71f4deb	113	sprintf(line+(j*4), "%02x! ", frame[j]);
	114	}
	115	else {
	116	sprintf(line+(j*4), "%02x ", frame[j]);
	117	}
	118	}
	119
	120	PrintAndLog(" +%7d: %3d: %s %s",
	121	(prev < 0 ? 0 : (timestamp - prev)),
	122	bits,
	123	(isResponse ? "TAG" : " "),
	124	line);
	125
	126	if (pf) {
	127	fprintf(pf," +%7d: %3d: %s %s\n",
	128	(prev < 0 ? 0 : (timestamp - prev)),
	129	bits,
	130	(isResponse ? "TAG" : " "),
	131	line);
	132	}
	133
	134	prev = timestamp;
	135	i += (len + 9);
	136	}
2d495a81	137
f71f4deb	138	if (pf) {
	139	fclose(pf);
	140	PrintAndLog("Recorded activity succesfully written to file: %s", filename);
	141	}
97d582a6	142
f71f4deb	143	free(got);
f71f4deb	144	return 0;
db09cb3a	145	}
	146
	147	int CmdLFHitagSnoop(const char *Cmd) {
	148	UsbCommand c = {CMD_SNOOP_HITAG};
	149	SendCommand(&c);
	150	return 0;
	151	}
	152
	153	int CmdLFHitagSim(const char *Cmd) {
b915fda3	154
db09cb3a	155	UsbCommand c = {CMD_SIMULATE_HITAG};
b915fda3	156	char filename[FILE_PATH_SIZE] = { 0x00 };
db09cb3a	157	FILE* pf;
db09cb3a	158	bool tag_mem_supplied;
b915fda3	159	int len = strlen(Cmd);
	160	if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
	161	memcpy(filename, Cmd, len);
db09cb3a	162
	163	if (strlen(filename) > 0) {
	164	if ((pf = fopen(filename,"rb+")) == NULL) {
	165	PrintAndLog("Error: Could not open file [%s]",filename);
	166	return 1;
	167	}
	168	tag_mem_supplied = true;
759c16b3	169	if (fread(c.d.asBytes,48,1,pf) == 0) {
759c16b3	170	PrintAndLog("Error: File reading error");
90e278d3	171	fclose(pf);
759c16b3	172	return 1;
759c16b3	173	}
db09cb3a	174	fclose(pf);
	175	} else {
	176	tag_mem_supplied = false;
	177	}
	178
	179	// Does the tag comes with memory
	180	c.arg[0] = (uint32_t)tag_mem_supplied;
	181
	182	SendCommand(&c);
	183	return 0;
	184	}
	185
	186	int CmdLFHitagReader(const char *Cmd) {
db09cb3a	187	UsbCommand c = {CMD_READER_HITAG};//, {param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),param_get32ex(Cmd,3,0,16)}};
	188	hitag_data* htd = (hitag_data*)c.d.asBytes;
	189	hitag_function htf = param_get32ex(Cmd,0,0,10);
	190
	191	switch (htf) {
4e12287d RS	192	case 01: { //RHTSF_CHALLENGE
	193	c = (UsbCommand){ CMD_READ_HITAG_S };
	194	num_to_bytes(param_get32ex(Cmd,1,0,16),4,htd->auth.NrAr);
	195	num_to_bytes(param_get32ex(Cmd,2,0,16),4,htd->auth.NrAr+4);
	196	} break;
	197	case 02: { //RHTSF_KEY
	198	c = (UsbCommand){ CMD_READ_HITAG_S };
	199	num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
	200	} break;
db09cb3a	201	case RHT2F_PASSWORD: {
	202	num_to_bytes(param_get32ex(Cmd,1,0,16),4,htd->pwd.password);
	203	} break;
	204	case RHT2F_AUTHENTICATE: {
	205	num_to_bytes(param_get32ex(Cmd,1,0,16),4,htd->auth.NrAr);
	206	num_to_bytes(param_get32ex(Cmd,2,0,16),4,htd->auth.NrAr+4);
	207	} break;
bde10a50	208	case RHT2F_CRYPTO: {
bde10a50	209	num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
f86d6b55	210	// num_to_bytes(param_get32ex(Cmd,2,0,16),4,htd->auth.NrAr+4);
bde10a50	211	} break;
db09cb3a	212	case RHT2F_TEST_AUTH_ATTEMPTS: {
	213	// No additional parameters needed
	214	} break;
f86d6b55	215	case RHT2F_UID_ONLY: {
	216	// No additional parameters needed
	217	} break;
db09cb3a	218	default: {
f86d6b55	219	PrintAndLog("\nError: unkown reader function %d",htf);
	220	PrintAndLog("");
	221	PrintAndLog("Usage: hitag reader <Reader Function #>");
	222	PrintAndLog("Reader Functions:");
ab4da50d	223	PrintAndLog(" HitagS (0*)");
4e12287d RS	224	PrintAndLog(" 01 <nr> <ar> (Challenge) read all pages from a Hitag S tag");
4e12287d RS	225	PrintAndLog(" 02 <key> (set to 0 if no authentication is needed) read all pages from a Hitag S tag");
ab4da50d	226	PrintAndLog(" Hitag1 (1*)");
	227	PrintAndLog(" Hitag2 (2*)");
	228	PrintAndLog(" 21 <password> (password mode)");
	229	PrintAndLog(" 22 <nr> <ar> (authentication)");
	230	PrintAndLog(" 23 <key> (authentication) key is in format: ISK high + ISK low");
	231	PrintAndLog(" 25 (test recorded authentications)");
f86d6b55	232	PrintAndLog(" 26 just read UID");
db09cb3a	233	return 1;
	234	} break;
	235	}
	236
	237	// Copy the hitag2 function into the first argument
	238	c.arg[0] = htf;
	239
f86d6b55	240	// Send the command to the proxmark
217cfb6b	241	clearCommandBuffer();
f86d6b55	242	SendCommand(&c);
ab4da50d	243
f86d6b55	244	UsbCommand resp;
	245	WaitForResponse(CMD_ACK,&resp);
	246
	247	// Check the return status, stored in the first argument
	248	if (resp.arg[0] == false) return 1;
	249
	250	uint32_t id = bytes_to_num(resp.d.asBytes,4);
	251
	252	if (htf == RHT2F_UID_ONLY){
	253	PrintAndLog("Valid Hitag2 tag found - UID: %08x",id);
	254	} else {
	255	char filename[256];
	256	FILE* pf = NULL;
	257
	258	sprintf(filename,"%08x_%04x.ht2",id,(rand() & 0xffff));
	259	if ((pf = fopen(filename,"wb")) == NULL) {
	260	PrintAndLog("Error: Could not open file [%s]",filename);
	261	return 1;
	262	}
	263
	264	// Write the 48 tag memory bytes to file and finalize
	265	fwrite(resp.d.asBytes,1,48,pf);
	266	fclose(pf);
	267
	268	PrintAndLog("Succesfully saved tag memory to [%s]",filename);
	269	}
	270
	271
	272	return 0;
db09cb3a	273	}
db09cb3a	274
4e12287d RS	275
	276	int CmdLFHitagSimS(const char *Cmd) {
	277	UsbCommand c = { CMD_SIMULATE_HITAG_S };
	278	char filename[FILE_PATH_SIZE] = { 0x00 };
	279	FILE* pf;
	280	bool tag_mem_supplied;
	281	int len = strlen(Cmd);
	282	if (len > FILE_PATH_SIZE)
	283	len = FILE_PATH_SIZE;
	284	memcpy(filename, Cmd, len);
	285
	286	if (strlen(filename) > 0) {
	287	if ((pf = fopen(filename, "rb+")) == NULL) {
	288	PrintAndLog("Error: Could not open file [%s]", filename);
	289	return 1;
	290	}
	291	tag_mem_supplied = true;
	292	if (fread(c.d.asBytes, 4*64, 1, pf) == 0) {
	293	PrintAndLog("Error: File reading error");
	294	fclose(pf);
	295	return 1;
	296	}
	297	fclose(pf);
	298	} else {
	299	tag_mem_supplied = false;
	300	}
	301
	302	// Does the tag comes with memory
	303	c.arg[0] = (uint32_t) tag_mem_supplied;
	304
	305	SendCommand(&c);
	306	return 0;
	307	}
	308
	309	int CmdLFHitagCheckChallenges(const char *Cmd) {
	310	UsbCommand c = { CMD_TEST_HITAGS_TRACES };
	311	char filename[FILE_PATH_SIZE] = { 0x00 };
	312	FILE* pf;
	313	bool file_given;
	314	int len = strlen(Cmd);
	315	if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
	316	memcpy(filename, Cmd, len);
	317
	318	if (strlen(filename) > 0) {
	319	if ((pf = fopen(filename,"rb+")) == NULL) {
	320	PrintAndLog("Error: Could not open file [%s]",filename);
	321	return 1;
	322	}
	323	file_given = true;
	324	if (fread(c.d.asBytes,8*60,1,pf) == 0) {
	325	PrintAndLog("Error: File reading error");
	326	fclose(pf);
	327	return 1;
	328	}
	329	fclose(pf);
	330	} else {
	331	file_given = false;
	332	}
	333
	334	//file with all the challenges to try
	335	c.arg[0] = (uint32_t)file_given;
	336
	337	SendCommand(&c);
	338	return 0;
339	}
340
341
342	int CmdLFHitagWP(const char *Cmd) {
343	UsbCommand c = { CMD_WR_HITAG_S };
344	hitag_data* htd = (hitag_data*)c.d.asBytes;
345	hitag_function htf = param_get32ex(Cmd,0,0,10);
346	switch (htf) {
347	case 03: { //WHTSF_CHALLENGE
348	num_to_bytes(param_get64ex(Cmd,1,0,16),8,htd->auth.NrAr);
349	c.arg[2]= param_get32ex(Cmd, 2, 0, 10);
350	num_to_bytes(param_get32ex(Cmd,3,0,16),4,htd->auth.data);
351	} break;
52244230 HJ	352	case 04:
	353	case 24:
	354	{ //WHTSF_KEY
4e12287d RS	355	num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
	356	c.arg[2]= param_get32ex(Cmd, 2, 0, 10);
	357	num_to_bytes(param_get32ex(Cmd,3,0,16),4,htd->crypto.data);
	358
	359	} break;
	360	default: {
	361	PrintAndLog("Error: unkown writer function %d",htf);
	362	PrintAndLog("Hitag writer functions");
	363	PrintAndLog(" HitagS (0*)");
	364	PrintAndLog(" 03 <nr,ar> (Challenge) <page> <byte0...byte3> write page on a Hitag S tag");
	365	PrintAndLog(" 04 <key> (set to 0 if no authentication is needed) <page> <byte0...byte3> write page on a Hitag S tag");
	366	PrintAndLog(" Hitag1 (1*)");
	367	PrintAndLog(" Hitag2 (2*)");
52244230	368	PrintAndLog(" 24 <key> (set to 0 if no authentication is needed) <page> <byte0...byte3> write page on a Hitag S tag");
4e12287d RS	369	return 1;
	370	} break;
	371	}
	372	// Copy the hitag function into the first argument
	373	c.arg[0] = htf;
	374
	375	// Send the command to the proxmark
	376	SendCommand(&c);
	377
	378	UsbCommand resp;
	379	WaitForResponse(CMD_ACK,&resp);
	380
	381	// Check the return status, stored in the first argument
	382	if (resp.arg[0] == false) return 1;
	383	return 0;
	384	}
	385
	386
3fe4ff4f	387	static command_t CommandTable[] =
db09cb3a	388	{
4e12287d RS	389	{"help", CmdHelp, 1, "This help"},
	390	{"list", CmdLFHitagList, 1, "<outfile> List Hitag trace history"},
	391	{"reader", CmdLFHitagReader, 1, "Act like a Hitag Reader"},
	392	{"sim", CmdLFHitagSim, 1, "<infile> Simulate Hitag transponder"},
	393	{"snoop", CmdLFHitagSnoop, 1, "Eavesdrop Hitag communication"},
	394	{"writer", CmdLFHitagWP, 1, "Act like a Hitag Writer" },
	395	{"simS", CmdLFHitagSimS, 1, "<hitagS.hts> Simulate HitagS transponder" },
	396	{"checkChallenges", CmdLFHitagCheckChallenges, 1, "<challenges.cc> test all challenges" }, {
	397	NULL,NULL, 0, NULL }
db09cb3a	398	};
	399
	400	int CmdLFHitag(const char *Cmd)
	401	{
3fe4ff4f	402	CmdsParse(CommandTable, Cmd);
db09cb3a	403	return 0;
	404	}
	405
	406	int CmdHelp(const char *Cmd)
	407	{
3fe4ff4f	408	CmdsHelp(CommandTable);
db09cb3a	409	return 0;
db09cb3a	410	}