[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 "hitag.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 j;
	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);
			free(got);
			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(bits);

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

		uint8_t *frame = (got+i+9);
/*
		int fillupBits = 8 - (bits % 8);
		byte_t framefilled[bits+fillupBits];
		byte_t* ff = framefilled;
		
		int response_bit[200] = {0};
		int z = 0;
		for (int y = 0; y < len; y++) {
			for (j = 0; j < 8; j++) {
				response_bit[z] = 0;
				if ((frame[y] & ((mask << 7) >> j)) != 0)
					response_bit[z] = 1;
				z++;
			}
		}
		z = 0;
		for (int y = 0; y < len; y++) {
			ff[y] = (response_bit[z] << 7) | (response_bit[z + 1] << 6)
					| (response_bit[z + 2] << 5) | (response_bit[z + 3] << 4)
					| (response_bit[z + 4] << 3) | (response_bit[z + 5] << 2)
					| (response_bit[z + 6] << 1) | response_bit[z + 7];
			z += 8;
		}
*/


		// 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] = "";
		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,1,48,pf) != 48) {
			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);
			c.arg[1] = param_get64ex(Cmd,3,0,0); //firstpage
			c.arg[2] = param_get64ex(Cmd,4,0,0); //tag mode
		} break;
		case 02: { //RHTSF_KEY
			c = (UsbCommand){ CMD_READ_HITAG_S };
			num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
			c.arg[1] = param_get64ex(Cmd,2,0,0); //firstpage
			c.arg[2] = param_get64ex(Cmd,3,0,0); //tag mode
		} break;
		case 03: { //RHTSF_CHALLENGE BLOCK
			c = (UsbCommand){ CMD_READ_HITAG_S_BLK };
			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);
			c.arg[1] = param_get64ex(Cmd,3,0,0); //firstpage
			c.arg[2] = param_get64ex(Cmd,4,0,0); //tag mode
		} break;
		case 04: { //RHTSF_KEY BLOCK
			c = (UsbCommand){ CMD_READ_HITAG_S_BLK };
			num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
			c.arg[1] = param_get64ex(Cmd,2,0,0); //firstpage
			c.arg[2] = param_get64ex(Cmd,3,0,0); //tag mode
		} 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) <firstPage> <tagmode> read all pages from a Hitag S tag");
			PrintAndLog("  02 <key> (set to 0 if no authentication is needed) <firstPage> <tagmode> read all pages from a Hitag S tag");
			PrintAndLog("  03 <nr> <ar> (Challenge) <firstPage> <tagmode> read all blocks from a Hitag S tag");
			PrintAndLog("  04 <key> (set to 0 if no authentication is needed) <firstPage> <tagmode> read all blocks from a Hitag S tag");
			PrintAndLog("  Valid tagmodes are 0=STANDARD, 1=ADVANCED, 2=FAST_ADVANCED (default is ADVANCED)");
			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, 1, 4*64, pf) != 4*64) {
			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,1,8*60,pf) != 8*60) {
			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;
	c.arg[1] = param_get64ex(Cmd,2,0,0); //get mode

  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> <tagmode> 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"
5866c187	22	#include "hitag.h"
902cb3c0	23	#include "cmdmain.h"
db09cb3a	24
	25	static int CmdHelp(const char *Cmd);
	26
47e18126	27	size_t nbytes(size_t nbits) {
	28	return (nbits/8)+((nbits%8)>0);
	29	}
	30
db09cb3a	31	int CmdLFHitagList(const char *Cmd)
db09cb3a	32	{
f71f4deb	33	uint8_t *got = malloc(USB_CMD_DATA_SIZE);
f71f4deb	34	// Query for the actual size of the trace
f71f4deb	35	UsbCommand response;
babca445	36	GetFromBigBuf(got, USB_CMD_DATA_SIZE, 0, &response, -1, false);
f71f4deb	37	uint16_t traceLen = response.arg[2];
	38	if (traceLen > USB_CMD_DATA_SIZE) {
	39	uint8_t *p = realloc(got, traceLen);
	40	if (p == NULL) {
	41	PrintAndLog("Cannot allocate memory for trace");
	42	free(got);
	43	return 2;
	44	}
	45	got = p;
babca445	46	GetFromBigBuf(got, traceLen, 0, NULL, -1, false);
f71f4deb	47	}
	48
	49	PrintAndLog("recorded activity (TraceLen = %d bytes):");
	50	PrintAndLog(" ETU :nbits: who bytes");
	51	PrintAndLog("---------+-----+----+-----------");
db09cb3a	52
7b6e3205	53	int j;
f71f4deb	54	int i = 0;
	55	int prev = -1;
	56	int len = strlen(Cmd);
b915fda3	57
f71f4deb	58	char filename[FILE_PATH_SIZE] = { 0x00 };
f71f4deb	59	FILE* pf = NULL;
b915fda3	60
f71f4deb	61	if (len > FILE_PATH_SIZE)
	62	len = FILE_PATH_SIZE;
	63	memcpy(filename, Cmd, len);
b915fda3	64
f71f4deb	65	if (strlen(filename) > 0) {
	66	if ((pf = fopen(filename,"wb")) == NULL) {
	67	PrintAndLog("Error: Could not open file [%s]",filename);
44964fd1	68	free(got);
f71f4deb	69	return 1;
f71f4deb	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];
7b6e3205	95	int len = nbytes(bits);
f71f4deb	96
	97	if (len > 100) {
	98	break;
	99	}
	100	if (i + len > traceLen) { break;}
	101
	102	uint8_t *frame = (got+i+9);
7b6e3205	103	/*
	104	int fillupBits = 8 - (bits % 8);
	105	byte_t framefilled[bits+fillupBits];
	106	byte_t* ff = framefilled;
	107
	108	int response_bit[200] = {0};
	109	int z = 0;
	110	for (int y = 0; y < len; y++) {
	111	for (j = 0; j < 8; j++) {
	112	response_bit[z] = 0;
	113	if ((frame[y] & ((mask << 7) >> j)) != 0)
	114	response_bit[z] = 1;
	115	z++;
	116	}
	117	}
	118	z = 0;
	119	for (int y = 0; y < len; y++) {
	120	ff[y] = (response_bit[z] << 7) \| (response_bit[z + 1] << 6)
	121	\| (response_bit[z + 2] << 5) \| (response_bit[z + 3] << 4)
	122	\| (response_bit[z + 4] << 3) \| (response_bit[z + 5] << 2)
	123	\| (response_bit[z + 6] << 1) \| response_bit[z + 7];
	124	z += 8;
	125	}
	126	*/
	127
	128
	129
f71f4deb	130
	131	// Break and stick with current result if buffer was not completely full
	132	if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
	133
	134	char line[1000] = "";
f71f4deb	135	for (j = 0; j < len; j++) {
f71f4deb	136	//if((parityBits >> (len - j - 1)) & 0x01) {
1f065e1d	137	if (isResponse && (oddparity8(frame[j]) != ((parityBits >> (len - j - 1)) & 0x01))) {
f71f4deb	138	sprintf(line+(j*4), "%02x! ", frame[j]);
7b6e3205	139	} else {
f71f4deb	140	sprintf(line+(j*4), "%02x ", frame[j]);
	141	}
	142	}
	143
	144	PrintAndLog(" +%7d: %3d: %s %s",
	145	(prev < 0 ? 0 : (timestamp - prev)),
	146	bits,
	147	(isResponse ? "TAG" : " "),
	148	line);
	149
	150	if (pf) {
	151	fprintf(pf," +%7d: %3d: %s %s\n",
	152	(prev < 0 ? 0 : (timestamp - prev)),
	153	bits,
	154	(isResponse ? "TAG" : " "),
	155	line);
	156	}
	157
	158	prev = timestamp;
	159	i += (len + 9);
	160	}
2d495a81	161
f71f4deb	162	if (pf) {
	163	fclose(pf);
	164	PrintAndLog("Recorded activity succesfully written to file: %s", filename);
	165	}
97d582a6	166
f71f4deb	167	free(got);
f71f4deb	168	return 0;
db09cb3a	169	}
	170
	171	int CmdLFHitagSnoop(const char *Cmd) {
	172	UsbCommand c = {CMD_SNOOP_HITAG};
	173	SendCommand(&c);
	174	return 0;
	175	}
	176
	177	int CmdLFHitagSim(const char *Cmd) {
b915fda3	178
db09cb3a	179	UsbCommand c = {CMD_SIMULATE_HITAG};
b915fda3	180	char filename[FILE_PATH_SIZE] = { 0x00 };
db09cb3a	181	FILE* pf;
db09cb3a	182	bool tag_mem_supplied;
b915fda3	183	int len = strlen(Cmd);
	184	if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
	185	memcpy(filename, Cmd, len);
db09cb3a	186
	187	if (strlen(filename) > 0) {
	188	if ((pf = fopen(filename,"rb+")) == NULL) {
	189	PrintAndLog("Error: Could not open file [%s]",filename);
	190	return 1;
	191	}
	192	tag_mem_supplied = true;
44964fd1	193	if (fread(c.d.asBytes,1,48,pf) != 48) {
	194	PrintAndLog("Error: File reading error");
	195	fclose(pf);
759c16b3	196	return 1;
44964fd1	197	}
db09cb3a	198	fclose(pf);
	199	} else {
	200	tag_mem_supplied = false;
	201	}
	202
	203	// Does the tag comes with memory
	204	c.arg[0] = (uint32_t)tag_mem_supplied;
	205
	206	SendCommand(&c);
	207	return 0;
	208	}
	209
	210	int CmdLFHitagReader(const char *Cmd) {
db09cb3a	211	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)}};
	212	hitag_data* htd = (hitag_data*)c.d.asBytes;
	213	hitag_function htf = param_get32ex(Cmd,0,0,10);
	214
	215	switch (htf) {
4e12287d RS	216	case 01: { //RHTSF_CHALLENGE
	217	c = (UsbCommand){ CMD_READ_HITAG_S };
	218	num_to_bytes(param_get32ex(Cmd,1,0,16),4,htd->auth.NrAr);
	219	num_to_bytes(param_get32ex(Cmd,2,0,16),4,htd->auth.NrAr+4);
7b6e3205	220	c.arg[1] = param_get64ex(Cmd,3,0,0); //firstpage
7b6e3205	221	c.arg[2] = param_get64ex(Cmd,4,0,0); //tag mode
4e12287d RS	222	} break;
	223	case 02: { //RHTSF_KEY
	224	c = (UsbCommand){ CMD_READ_HITAG_S };
	225	num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
7b6e3205	226	c.arg[1] = param_get64ex(Cmd,2,0,0); //firstpage
	227	c.arg[2] = param_get64ex(Cmd,3,0,0); //tag mode
	228	} break;
	229	case 03: { //RHTSF_CHALLENGE BLOCK
	230	c = (UsbCommand){ CMD_READ_HITAG_S_BLK };
	231	num_to_bytes(param_get32ex(Cmd,1,0,16),4,htd->auth.NrAr);
	232	num_to_bytes(param_get32ex(Cmd,2,0,16),4,htd->auth.NrAr+4);
	233	c.arg[1] = param_get64ex(Cmd,3,0,0); //firstpage
	234	c.arg[2] = param_get64ex(Cmd,4,0,0); //tag mode
	235	} break;
	236	case 04: { //RHTSF_KEY BLOCK
	237	c = (UsbCommand){ CMD_READ_HITAG_S_BLK };
	238	num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
	239	c.arg[1] = param_get64ex(Cmd,2,0,0); //firstpage
	240	c.arg[2] = param_get64ex(Cmd,3,0,0); //tag mode
4e12287d	241	} break;
db09cb3a	242	case RHT2F_PASSWORD: {
	243	num_to_bytes(param_get32ex(Cmd,1,0,16),4,htd->pwd.password);
	244	} break;
	245	case RHT2F_AUTHENTICATE: {
	246	num_to_bytes(param_get32ex(Cmd,1,0,16),4,htd->auth.NrAr);
	247	num_to_bytes(param_get32ex(Cmd,2,0,16),4,htd->auth.NrAr+4);
	248	} break;
bde10a50	249	case RHT2F_CRYPTO: {
bde10a50	250	num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
f86d6b55	251	// num_to_bytes(param_get32ex(Cmd,2,0,16),4,htd->auth.NrAr+4);
bde10a50	252	} break;
db09cb3a	253	case RHT2F_TEST_AUTH_ATTEMPTS: {
	254	// No additional parameters needed
	255	} break;
f86d6b55	256	case RHT2F_UID_ONLY: {
	257	// No additional parameters needed
	258	} break;
db09cb3a	259	default: {
f86d6b55	260	PrintAndLog("\nError: unkown reader function %d",htf);
	261	PrintAndLog("");
	262	PrintAndLog("Usage: hitag reader <Reader Function #>");
	263	PrintAndLog("Reader Functions:");
ab4da50d	264	PrintAndLog(" HitagS (0*)");
7b6e3205	265	PrintAndLog(" 01 <nr> <ar> (Challenge) <firstPage> <tagmode> read all pages from a Hitag S tag");
	266	PrintAndLog(" 02 <key> (set to 0 if no authentication is needed) <firstPage> <tagmode> read all pages from a Hitag S tag");
	267	PrintAndLog(" 03 <nr> <ar> (Challenge) <firstPage> <tagmode> read all blocks from a Hitag S tag");
	268	PrintAndLog(" 04 <key> (set to 0 if no authentication is needed) <firstPage> <tagmode> read all blocks from a Hitag S tag");
	269	PrintAndLog(" Valid tagmodes are 0=STANDARD, 1=ADVANCED, 2=FAST_ADVANCED (default is ADVANCED)");
ab4da50d	270	PrintAndLog(" Hitag1 (1*)");
	271	PrintAndLog(" Hitag2 (2*)");
	272	PrintAndLog(" 21 <password> (password mode)");
	273	PrintAndLog(" 22 <nr> <ar> (authentication)");
	274	PrintAndLog(" 23 <key> (authentication) key is in format: ISK high + ISK low");
	275	PrintAndLog(" 25 (test recorded authentications)");
f86d6b55	276	PrintAndLog(" 26 just read UID");
db09cb3a	277	return 1;
	278	} break;
	279	}
	280
	281	// Copy the hitag2 function into the first argument
	282	c.arg[0] = htf;
	283
f86d6b55	284	// Send the command to the proxmark
217cfb6b	285	clearCommandBuffer();
f86d6b55	286	SendCommand(&c);
ab4da50d	287
f86d6b55	288	UsbCommand resp;
	289	WaitForResponse(CMD_ACK,&resp);
	290
	291	// Check the return status, stored in the first argument
	292	if (resp.arg[0] == false) return 1;
	293
	294	uint32_t id = bytes_to_num(resp.d.asBytes,4);
	295
	296	if (htf == RHT2F_UID_ONLY){
	297	PrintAndLog("Valid Hitag2 tag found - UID: %08x",id);
	298	} else {
	299	char filename[256];
	300	FILE* pf = NULL;
	301
	302	sprintf(filename,"%08x_%04x.ht2",id,(rand() & 0xffff));
	303	if ((pf = fopen(filename,"wb")) == NULL) {
	304	PrintAndLog("Error: Could not open file [%s]",filename);
	305	return 1;
	306	}
	307
	308	// Write the 48 tag memory bytes to file and finalize
	309	fwrite(resp.d.asBytes,1,48,pf);
	310	fclose(pf);
	311
	312	PrintAndLog("Succesfully saved tag memory to [%s]",filename);
	313	}
	314
	315
	316	return 0;
db09cb3a	317	}
db09cb3a	318
4e12287d RS	319
	320	int CmdLFHitagSimS(const char *Cmd) {
	321	UsbCommand c = { CMD_SIMULATE_HITAG_S };
	322	char filename[FILE_PATH_SIZE] = { 0x00 };
	323	FILE* pf;
	324	bool tag_mem_supplied;
	325	int len = strlen(Cmd);
	326	if (len > FILE_PATH_SIZE)
	327	len = FILE_PATH_SIZE;
	328	memcpy(filename, Cmd, len);
	329
	330	if (strlen(filename) > 0) {
	331	if ((pf = fopen(filename, "rb+")) == NULL) {
	332	PrintAndLog("Error: Could not open file [%s]", filename);
	333	return 1;
	334	}
	335	tag_mem_supplied = true;
44964fd1	336	if (fread(c.d.asBytes, 1, 464, pf) != 464) {
4e12287d RS	337	PrintAndLog("Error: File reading error");
	338	fclose(pf);
	339	return 1;
	340	}
	341	fclose(pf);
	342	} else {
	343	tag_mem_supplied = false;
	344	}
	345
	346	// Does the tag comes with memory
	347	c.arg[0] = (uint32_t) tag_mem_supplied;
	348
	349	SendCommand(&c);
	350	return 0;
	351	}
	352
	353	int CmdLFHitagCheckChallenges(const char *Cmd) {
	354	UsbCommand c = { CMD_TEST_HITAGS_TRACES };
	355	char filename[FILE_PATH_SIZE] = { 0x00 };
	356	FILE* pf;
	357	bool file_given;
	358	int len = strlen(Cmd);
	359	if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
	360	memcpy(filename, Cmd, len);
	361
	362	if (strlen(filename) > 0) {
	363	if ((pf = fopen(filename,"rb+")) == NULL) {
	364	PrintAndLog("Error: Could not open file [%s]",filename);
	365	return 1;
	366	}
	367	file_given = true;
44964fd1	368	if (fread(c.d.asBytes,1,860,pf) != 860) {
	369	PrintAndLog("Error: File reading error");
	370	fclose(pf);
4e12287d RS	371	return 1;
	372	}
	373	fclose(pf);
	374	} else {
	375	file_given = false;
	376	}
	377
	378	//file with all the challenges to try
	379	c.arg[0] = (uint32_t)file_given;
7b6e3205	380	c.arg[1] = param_get64ex(Cmd,2,0,0); //get mode
4e12287d RS	381
	382	SendCommand(&c);
	383	return 0;
	384	}
	385
	386
	387	int CmdLFHitagWP(const char *Cmd) {
	388	UsbCommand c = { CMD_WR_HITAG_S };
	389	hitag_data* htd = (hitag_data*)c.d.asBytes;
	390	hitag_function htf = param_get32ex(Cmd,0,0,10);
	391	switch (htf) {
	392	case 03: { //WHTSF_CHALLENGE
	393	num_to_bytes(param_get64ex(Cmd,1,0,16),8,htd->auth.NrAr);
	394	c.arg[2]= param_get32ex(Cmd, 2, 0, 10);
	395	num_to_bytes(param_get32ex(Cmd,3,0,16),4,htd->auth.data);
	396	} break;
52244230 HJ	397	case 04:
	398	case 24:
	399	{ //WHTSF_KEY
4e12287d RS	400	num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
	401	c.arg[2]= param_get32ex(Cmd, 2, 0, 10);
	402	num_to_bytes(param_get32ex(Cmd,3,0,16),4,htd->crypto.data);
	403
	404	} break;
	405	default: {
	406	PrintAndLog("Error: unkown writer function %d",htf);
	407	PrintAndLog("Hitag writer functions");
	408	PrintAndLog(" HitagS (0*)");
	409	PrintAndLog(" 03 <nr,ar> (Challenge) <page> <byte0...byte3> write page on a Hitag S tag");
	410	PrintAndLog(" 04 <key> (set to 0 if no authentication is needed) <page> <byte0...byte3> write page on a Hitag S tag");
	411	PrintAndLog(" Hitag1 (1*)");
	412	PrintAndLog(" Hitag2 (2*)");
52244230	413	PrintAndLog(" 24 <key> (set to 0 if no authentication is needed) <page> <byte0...byte3> write page on a Hitag S tag");
4e12287d RS	414	return 1;
	415	} break;
	416	}
	417	// Copy the hitag function into the first argument
	418	c.arg[0] = htf;
	419
	420	// Send the command to the proxmark
	421	SendCommand(&c);
	422
	423	UsbCommand resp;
	424	WaitForResponse(CMD_ACK,&resp);
	425
	426	// Check the return status, stored in the first argument
	427	if (resp.arg[0] == false) return 1;
	428	return 0;
	429	}
	430
	431
3fe4ff4f	432	static command_t CommandTable[] =
db09cb3a	433	{
4e12287d RS	434	{"help", CmdHelp, 1, "This help"},
	435	{"list", CmdLFHitagList, 1, "<outfile> List Hitag trace history"},
	436	{"reader", CmdLFHitagReader, 1, "Act like a Hitag Reader"},
	437	{"sim", CmdLFHitagSim, 1, "<infile> Simulate Hitag transponder"},
	438	{"snoop", CmdLFHitagSnoop, 1, "Eavesdrop Hitag communication"},
	439	{"writer", CmdLFHitagWP, 1, "Act like a Hitag Writer" },
	440	{"simS", CmdLFHitagSimS, 1, "<hitagS.hts> Simulate HitagS transponder" },
7b6e3205	441	{"checkChallenges", CmdLFHitagCheckChallenges, 1, "<challenges.cc> <tagmode> test all challenges" }, {
4e12287d	442	NULL,NULL, 0, NULL }
db09cb3a	443	};
	444
	445	int CmdLFHitag(const char *Cmd)
	446	{
3fe4ff4f	447	CmdsParse(CommandTable, Cmd);
db09cb3a	448	return 0;
	449	}
	450
	451	int CmdHelp(const char *Cmd)
	452	{
3fe4ff4f	453	CmdsHelp(CommandTable);
db09cb3a	454	return 0;
db09cb3a	455	}