[proxmark3-svn] / client / cmdlfawid.c

//-----------------------------------------------------------------------------
// Authored by Craig Young <cyoung@tripwire.com> based on cmdlfhid.c structure
//
// cmdlfhid.c is 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.
//-----------------------------------------------------------------------------
// Low frequency AWID26/50 commands
//-----------------------------------------------------------------------------
#include "cmdlfawid.h"  // AWID function declarations
 
static int CmdHelp(const char *Cmd);

int usage_lf_awid_fskdemod(void) {
	PrintAndLog("Enables AWID compatible reader mode printing details of scanned AWID26 or AWID50 tags.");
	PrintAndLog("By default, values are printed and logged until the button is pressed or another USB command is issued.");
	PrintAndLog("If the [1] option is provided, reader mode is exited after reading a single AWID card.");
	PrintAndLog("");
	PrintAndLog("Usage:  lf awid fskdemod [h] [1]");
	PrintAndLog("Options:");
	PrintAndLog("      h :  This help");	
	PrintAndLog("      1 : (optional) stop after reading a single card");
	PrintAndLog("");
	PrintAndLog("Samples:");
	PrintAndLog("       lf awid fskdemod");
	PrintAndLog("       lf awid fskdemod 1");
	return 0;
}

int usage_lf_awid_sim(void) {
	PrintAndLog("Enables simulation of AWID card with specified facility-code and card number.");
	PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
	PrintAndLog("");
	PrintAndLog("Usage:  lf awid sim [h] <format> <facility-code> <card-number>");
	PrintAndLog("Options:");
	PrintAndLog("                h :  This help");	
	PrintAndLog("         <format> :  format length 26|50");
	PrintAndLog("  <facility-code> :  8|16bit value facility code");
	PrintAndLog("    <card number> :  16|32-bit value card number");
	PrintAndLog("");
	PrintAndLog("Samples:");
	PrintAndLog("       lf awid sim 26 224 1337");
	PrintAndLog("       lf awid sim 50 2001 13371337");
	return 0;
}

int usage_lf_awid_clone(void) {
	PrintAndLog("Enables cloning of AWID card with specified facility-code and card number onto T55x7.");
	PrintAndLog("The T55x7 must be on the antenna when issuing this command.  T55x7 blocks are calculated and printed in the process.");
	PrintAndLog("");
	PrintAndLog("Usage:  lf awid clone [h] <format> <facility-code> <card-number> [Q5]");
	PrintAndLog("Options:");
	PrintAndLog("                h :  This help");	
	PrintAndLog("         <format> :  format length 26|50");
	PrintAndLog("  <facility-code> :  8|16bit value facility code");
	PrintAndLog("    <card number> :  16|32-bit value card number");
	PrintAndLog("               Q5 :  optional - clone to Q5 (T5555) instead of T55x7 chip");
	PrintAndLog("");
	PrintAndLog("Samples:");
	PrintAndLog("       lf awid clone 26 224 1337");
	PrintAndLog("       lf awid clone 50 2001 13371337");
	return 0;
}

int usage_lf_awid_brute(void){
	PrintAndLog("Enables bruteforce of AWID reader with specified facility-code.");
	PrintAndLog("This is a attack against reader. if cardnumber is given, it starts with it and goes up / down one step");
	PrintAndLog("if cardnumber is not given, it starts with 1 and goes up to 65535");
	PrintAndLog("");
	PrintAndLog("Usage:  lf awid brute [h] a <format> f <facility-code> c <cardnumber> d <delay>");
	PrintAndLog("Options:");
	PrintAndLog("       h                 :  This help");
	PrintAndLog("       a <format>        :  format length 26|50");
	PrintAndLog("       f <facility-code> :  8|16bit value facility code");
	PrintAndLog("       c <cardnumber>    :  (optional) cardnumber to start with, max 65535");
	PrintAndLog("       d <delay>         :  delay betweens attempts in ms. Default 1000ms");
	PrintAndLog("");
	PrintAndLog("Samples:");
	PrintAndLog("       lf awid brute a 26 f 224");
	PrintAndLog("       lf awid brute a 50 f 2001 d 2000");
	PrintAndLog("       lf awid brute a 50 f 2001 c 200 d 2000");
	return 0;
}

static bool sendTry(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint32_t delay, uint8_t *bs, size_t bs_len){

	PrintAndLog("Trying FC: %u; CN: %u", fc, cn);		
	if ( !getAWIDBits(fmtlen, fc, cn, bs)) {
		PrintAndLog("Error with tag bitstream generation.");
		return FALSE;
	}

	uint64_t arg1 = (10<<8) + 8; // fcHigh = 10, fcLow = 8
	uint64_t arg2 = 50; 		 // clk RF/50 invert=0
	UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, bs_len}};
	memcpy(c.d.asBytes, bs, bs_len);
	clearCommandBuffer();
	SendCommand(&c);
	msleep(delay);
	return TRUE;
}
static int sendPing(){
	UsbCommand resp;
	UsbCommand ping = {CMD_PING};
	clearCommandBuffer();
	SendCommand(&ping);
	if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {
		PrintAndLog("aborted via keyboard!");
		return 0;
	}
	PrintAndLog("Device didnt respond to ABORT");	
	return 1;
}

int CmdAWIDDemodFSK(const char *Cmd) {
	int findone = 0;
	if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_awid_fskdemod();
	if (Cmd[0] == '1') findone = 1;

	UsbCommand c = {CMD_AWID_DEMOD_FSK, {findone, 0, 0}};
	clearCommandBuffer();
	SendCommand(&c);
	return 0;   
}

//refactored by marshmellow
int getAWIDBits(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint8_t *bits) {

	// the return bits, preamble 0000 0001 
	bits[7] = 1;  
	
	uint8_t pre[66];
	memset(pre, 0, sizeof(pre));

	// add formatlength
	num_to_bytebits(fmtlen, 8, pre);
	
	// add facilitycode, cardnumber and wiegand parity bits
	if ( fmtlen == 26 ) {
		uint8_t wiegand[24];
		num_to_bytebits(fc, 8, wiegand);
		num_to_bytebits(cn, 16, wiegand+8);
		wiegand_add_parity(pre+8, wiegand,  sizeof(wiegand));
	} else {
		uint8_t wiegand[48];
		num_to_bytebits(fc, 16, wiegand);
		num_to_bytebits(cn, 32, wiegand+16);
		wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
	}
	
	// add AWID 4bit parity 
	size_t bitLen = addParity(pre, bits+8, 66, 4, 1);

	if (bitLen != 88) return 0;
	return 1;
}

int CmdAWIDSim(const char *Cmd) {
	uint32_t fc = 0, cn = 0;
	uint8_t fmtlen = 0;
	uint8_t bits[96];
	uint8_t *bs = bits;
	size_t size = sizeof(bits);
	memset(bs, 0x00, size);

	uint64_t arg1 = ( 10 << 8 ) + 8; // fcHigh = 10, fcLow = 8
	uint64_t arg2 = 50; // clk RF/50 invert=0
  
	char cmdp = param_getchar(Cmd, 0);
	if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_awid_sim();
	
  	fmtlen = param_get8(Cmd, 0);
	fc = param_get32ex(Cmd, 1, 0, 10);	
	cn = param_get32ex(Cmd, 2, 0, 10);
	if ( !fc || !cn) return usage_lf_awid_sim();
	
	switch(fmtlen) {
		case 26:
			if ((fc & 0xFF) != fc) {
				fc &= 0xFF;
				PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
			}

			if ((cn & 0xFFFF) != cn) {
				cn &= 0xFFFF;
				PrintAndLog("Card Number Truncated to 16-bits (AWID26): %u", cn);
			}
			break;
		case 50:
			if ((fc & 0xFFFF) != fc) {
				fc &= 0xFFFF;
				PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
			}
			break;
		default: break;
	}
	
	PrintAndLog("Emulating AWID %u -- FC: %u; CN: %u\n", fmtlen, fc, cn);
	PrintAndLog("Press pm3-button to abort simulation or run another command");
	
	if (!getAWIDBits(fmtlen, fc, cn, bs)) {
		PrintAndLog("Error with tag bitstream generation.");
		return 1;
	}
	// AWID uses: fcHigh: 10, fcLow: 8, clk: 50, invert: 0
	// arg1 --- fcHigh<<8 + fcLow
	// arg2 --- Inversion and clk setting
	// 96   --- Bitstream length: 96-bits == 12 bytes
	UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};  
	memcpy(c.d.asBytes, bs, size);
	clearCommandBuffer();
	SendCommand(&c);
	return 0;
}

int CmdAWIDClone(const char *Cmd) {
	uint32_t blocks[4] = {T55x7_MODULATION_FSK2a | T55x7_BITRATE_RF_50 | 3<<T55x7_MAXBLOCK_SHIFT, 0, 0, 0};
	uint32_t fc = 0, cn = 0;
	uint8_t fmtlen = 0;
	uint8_t bits[96];
	uint8_t *bs=bits;
	memset(bs,0,sizeof(bits));
	
	char cmdp = param_getchar(Cmd, 0);
	if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_awid_clone();

  	fmtlen = param_get8(Cmd, 0);
	fc = param_get32ex(Cmd, 1, 0, 10);
	cn = param_get32ex(Cmd, 2, 0, 10);

	if ( !fc || !cn) return usage_lf_awid_clone();
	
	switch(fmtlen) {
		case 50:
			if ((fc & 0xFFFF) != fc) {
				fc &= 0xFFFF;
				PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
			}
			break;
		default: 
			fmtlen = 26;
			if ((fc & 0xFF) != fc) {
				fc &= 0xFF;
				PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
			}

			if ((cn & 0xFFFF) != cn) {
				cn &= 0xFFFF;
				PrintAndLog("Card Number Truncated to 16-bits (AWID26): %u", cn);
			}
			break;
	}
	
	if (param_getchar(Cmd, 4) == 'Q' || param_getchar(Cmd, 4) == 'q')
		//t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
		blocks[0] = T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | 50<<T5555_BITRATE_SHIFT | 3<<T5555_MAXBLOCK_SHIFT;

	if ( !getAWIDBits(fmtlen, fc, cn, bs)) {
		PrintAndLog("Error with tag bitstream generation.");
		return 1;
	}	

	blocks[1] = bytebits_to_byte(bs,32);
	blocks[2] = bytebits_to_byte(bs+32,32);
	blocks[3] = bytebits_to_byte(bs+64,32);

	PrintAndLog("Preparing to clone AWID %u to T55x7 with FC: %u, CN: %u", fmtlen, fc, cn);
	PrintAndLog("Blk | Data ");
	PrintAndLog("----+------------");
	PrintAndLog(" 00 | 0x%08x", blocks[0]);
	PrintAndLog(" 01 | 0x%08x", blocks[1]);
	PrintAndLog(" 02 | 0x%08x", blocks[2]);
	PrintAndLog(" 03 | 0x%08x", blocks[3]);	
	
	UsbCommand resp;
	UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};

	for (uint8_t i=0; i<4; i++) {
		c.arg[0] = blocks[i];
		c.arg[1] = i;
		clearCommandBuffer();
		SendCommand(&c);
		if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)){
			PrintAndLog("Error occurred, device did not respond during write operation.");
			return -1;
		}
	}
	return 0;
}

int CmdAWIDBrute(const char *Cmd){
	
	bool errors = false;
	uint32_t fc = 0, cn = 0, delay = 1000;
	uint8_t fmtlen = 0;
	uint8_t bits[96];
	uint8_t *bs = bits;
	size_t size = sizeof(bits);
	memset(bs, 0x00, size);
	uint8_t cmdp = 0;
	
	while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
		switch(param_getchar(Cmd, cmdp)) {
		case 'h':
		case 'H':
			return usage_lf_awid_brute();
		case 'f':
		case 'F':
		  	fc =  param_get32ex(Cmd ,cmdp+1, 0, 10);
			if ( !fc )
				errors = true;
			cmdp += 2;
			break;
		case 'd':
		case 'D':
			// delay between attemps,  defaults to 1000ms. 
			delay = param_get32ex(Cmd, cmdp+1, 1000, 10);
			cmdp += 2;
			break;
		case 'c':
		case 'C':
			cn = param_get32ex(Cmd, cmdp+1, 0, 10);
			// truncate cardnumber.
			cn &= 0xFFFF;
			cmdp += 2;
			break;
		case 'a':
		case 'A':
			fmtlen = param_get8(Cmd, cmdp+1);
			cmdp += 2;
			break;
		default:
			PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
			errors = true;
			break;
		}
	}
	if ( fc == 0 )errors = true;
	if ( errors ) return usage_lf_awid_brute();

	// limit fc according to selected format
	switch(fmtlen) {
		case 50:
			if ((fc & 0xFFFF) != fc) {
				fc &= 0xFFFF;
				PrintAndLog("Facility-code truncated to 16-bits (AWID50): %u", fc);
			}
			break;
		default:
			if ((fc & 0xFF) != fc) {
				fc &= 0xFF;
				PrintAndLog("Facility-code truncated to 8-bits (AWID26): %u", fc);
			}
			break;
	}
	
	// start
	
	PrintAndLog("Bruteforceing AWID %d Reader", fmtlen);
	PrintAndLog("Press pm3-button to abort simulation or press key");

	uint16_t up = cn;
	uint16_t down = cn;
	
	for (;;){
	
		if (ukbhit()) return sendPing();
		
		// Do one up
		if ( up < 0xFFFF )
			if ( !sendTry(fmtlen, fc, up++, delay, bs, size)) return 1;
		
		// Do one down  (if cardnumber is given)
		if ( cn > 1 )
			if ( down > 0 )
				if ( !sendTry(fmtlen, fc, --down, delay, bs, size)) return 1;
	}
	return 0;
}

static command_t CommandTable[] = {
	{"help",      CmdHelp,         1, "This help"},
	{"fskdemod",  CmdAWIDDemodFSK, 0, "Realtime AWID FSK demodulator"},
	{"sim",       CmdAWIDSim,      0, "AWID tag simulator"},
	{"clone",     CmdAWIDClone,    0, "Clone AWID to T55x7"},
	{"brute",	  CmdAWIDBrute,	   0, "Bruteforce card number against reader"},
	{NULL, NULL, 0, NULL}
};

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

int CmdHelp(const char *Cmd) {
	CmdsHelp(CommandTable);
	return 0;
}
Commit	Line	Data
db25599d	1	//-----------------------------------------------------------------------------
	2	// Authored by Craig Young <cyoung@tripwire.com> based on cmdlfhid.c structure
	3	//
	4	// cmdlfhid.c is Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
	5	//
	6	// This code is licensed to you under the terms of the GNU GPL, version 2 or,
	7	// at your option, any later version. See the LICENSE.txt file for the text of
	8	// the license.
	9	//-----------------------------------------------------------------------------
f5291a6c	10	// Low frequency AWID26/50 commands
db25599d	11	//-----------------------------------------------------------------------------
db25599d	12	#include "cmdlfawid.h" // AWID function declarations
508b37ba	13
db25599d	14	static int CmdHelp(const char *Cmd);
db25599d	15
db25599d	16	int usage_lf_awid_fskdemod(void) {
8fd9bfb0	17	PrintAndLog("Enables AWID compatible reader mode printing details of scanned AWID26 or AWID50 tags.");
a126332a	18	PrintAndLog("By default, values are printed and logged until the button is pressed or another USB command is issued.");
8fd9bfb0	19	PrintAndLog("If the [1] option is provided, reader mode is exited after reading a single AWID card.");
a126332a	20	PrintAndLog("");
890ae3dd	21	PrintAndLog("Usage: lf awid fskdemod [h] [1]");
10c4231e	22	PrintAndLog("Options:");
890ae3dd	23	PrintAndLog(" h : This help");
8fd9bfb0	24	PrintAndLog(" 1 : (optional) stop after reading a single card");
a126332a	25	PrintAndLog("");
10c4231e	26	PrintAndLog("Samples:");
	27	PrintAndLog(" lf awid fskdemod");
	28	PrintAndLog(" lf awid fskdemod 1");
a126332a	29	return 0;
db25599d	30	}
	31
	32	int usage_lf_awid_sim(void) {
8fd9bfb0	33	PrintAndLog("Enables simulation of AWID card with specified facility-code and card number.");
a126332a	34	PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
a126332a	35	PrintAndLog("");
890ae3dd	36	PrintAndLog("Usage: lf awid sim [h] <format> <facility-code> <card-number>");
10c4231e	37	PrintAndLog("Options:");
890ae3dd	38	PrintAndLog(" h : This help");
890ae3dd	39	PrintAndLog(" <format> : format length 26\|50");
8fd9bfb0	40	PrintAndLog(" <facility-code> : 8\|16bit value facility code");
890ae3dd	41	PrintAndLog(" <card number> : 16\|32-bit value card number");
a126332a	42	PrintAndLog("");
10c4231e	43	PrintAndLog("Samples:");
8fd9bfb0	44	PrintAndLog(" lf awid sim 26 224 1337");
8fd9bfb0	45	PrintAndLog(" lf awid sim 50 2001 13371337");
a126332a	46	return 0;
db25599d	47	}
	48
	49	int usage_lf_awid_clone(void) {
8fd9bfb0	50	PrintAndLog("Enables cloning of AWID card with specified facility-code and card number onto T55x7.");
a126332a	51	PrintAndLog("The T55x7 must be on the antenna when issuing this command. T55x7 blocks are calculated and printed in the process.");
a126332a	52	PrintAndLog("");
890ae3dd	53	PrintAndLog("Usage: lf awid clone [h] <format> <facility-code> <card-number> [Q5]");
10c4231e	54	PrintAndLog("Options:");
890ae3dd	55	PrintAndLog(" h : This help");
890ae3dd	56	PrintAndLog(" <format> : format length 26\|50");
8fd9bfb0	57	PrintAndLog(" <facility-code> : 8\|16bit value facility code");
890ae3dd	58	PrintAndLog(" <card number> : 16\|32-bit value card number");
890ae3dd	59	PrintAndLog(" Q5 : optional - clone to Q5 (T5555) instead of T55x7 chip");
a126332a	60	PrintAndLog("");
10c4231e	61	PrintAndLog("Samples:");
8fd9bfb0	62	PrintAndLog(" lf awid clone 26 224 1337");
8fd9bfb0	63	PrintAndLog(" lf awid clone 50 2001 13371337");
a126332a	64	return 0;
db25599d	65	}
db25599d	66
508b37ba	67	int usage_lf_awid_brute(void){
8fd9bfb0	68	PrintAndLog("Enables bruteforce of AWID reader with specified facility-code.");
10c4231e	69	PrintAndLog("This is a attack against reader. if cardnumber is given, it starts with it and goes up / down one step");
10c4231e	70	PrintAndLog("if cardnumber is not given, it starts with 1 and goes up to 65535");
508b37ba	71	PrintAndLog("");
10c4231e	72	PrintAndLog("Usage: lf awid brute [h] a <format> f <facility-code> c <cardnumber> d <delay>");
	73	PrintAndLog("Options:");
	74	PrintAndLog(" h : This help");
	75	PrintAndLog(" a <format> : format length 26\|50");
	76	PrintAndLog(" f <facility-code> : 8\|16bit value facility code");
	77	PrintAndLog(" c <cardnumber> : (optional) cardnumber to start with, max 65535");
	78	PrintAndLog(" d <delay> : delay betweens attempts in ms. Default 1000ms");
508b37ba	79	PrintAndLog("");
10c4231e	80	PrintAndLog("Samples:");
	81	PrintAndLog(" lf awid brute a 26 f 224");
	82	PrintAndLog(" lf awid brute a 50 f 2001 d 2000");
	83	PrintAndLog(" lf awid brute a 50 f 2001 c 200 d 2000");
508b37ba	84	return 0;
	85	}
	86
05442fa6	87	static bool sendTry(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint32_t delay, uint8_t *bs, size_t bs_len){
10c4231e	88
	89	PrintAndLog("Trying FC: %u; CN: %u", fc, cn);
	90	if ( !getAWIDBits(fmtlen, fc, cn, bs)) {
	91	PrintAndLog("Error with tag bitstream generation.");
	92	return FALSE;
	93	}
	94
	95	uint64_t arg1 = (10<<8) + 8; // fcHigh = 10, fcLow = 8
	96	uint64_t arg2 = 50; // clk RF/50 invert=0
	97	UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, bs_len}};
	98	memcpy(c.d.asBytes, bs, bs_len);
	99	clearCommandBuffer();
	100	SendCommand(&c);
	101	msleep(delay);
	102	return TRUE;
	103	}
	104	static int sendPing(){
	105	UsbCommand resp;
	106	UsbCommand ping = {CMD_PING};
	107	clearCommandBuffer();
	108	SendCommand(&ping);
	109	if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {
	110	PrintAndLog("aborted via keyboard!");
	111	return 0;
	112	}
	113	PrintAndLog("Device didnt respond to ABORT");
	114	return 1;
	115	}
	116
52f2df61	117	int CmdAWIDDemodFSK(const char *Cmd) {
a126332a	118	int findone = 0;
	119	if (Cmd[0] == 'h' \|\| Cmd[0] == 'H') return usage_lf_awid_fskdemod();
	120	if (Cmd[0] == '1') findone = 1;
	121
	122	UsbCommand c = {CMD_AWID_DEMOD_FSK, {findone, 0, 0}};
	123	clearCommandBuffer();
	124	SendCommand(&c);
	125	return 0;
db25599d	126	}
db25599d	127
a126332a	128	//refactored by marshmellow
8fd9bfb0	129	int getAWIDBits(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint8_t *bits) {
	130
	131	// the return bits, preamble 0000 0001
	132	bits[7] = 1;
	133
a126332a	134	uint8_t pre[66];
a126332a	135	memset(pre, 0, sizeof(pre));
52f2df61	136
8fd9bfb0	137	// add formatlength
	138	num_to_bytebits(fmtlen, 8, pre);
	139
	140	// add facilitycode, cardnumber and wiegand parity bits
	141	if ( fmtlen == 26 ) {
	142	uint8_t wiegand[24];
	143	num_to_bytebits(fc, 8, wiegand);
	144	num_to_bytebits(cn, 16, wiegand+8);
	145	wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
	146	} else {
	147	uint8_t wiegand[48];
	148	num_to_bytebits(fc, 16, wiegand);
	149	num_to_bytebits(cn, 32, wiegand+16);
	150	wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
	151	}
	152
	153	// add AWID 4bit parity
	154	size_t bitLen = addParity(pre, bits+8, 66, 4, 1);
fcb1cdba	155
a126332a	156	if (bitLen != 88) return 0;
52f2df61	157	return 1;
db25599d	158	}
db25599d	159
a126332a	160	int CmdAWIDSim(const char *Cmd) {
8fd9bfb0	161	uint32_t fc = 0, cn = 0;
8fd9bfb0	162	uint8_t fmtlen = 0;
a126332a	163	uint8_t bits[96];
	164	uint8_t *bs = bits;
	165	size_t size = sizeof(bits);
fcb1cdba	166	memset(bs, 0x00, size);
52f2df61	167
fcb1cdba	168	uint64_t arg1 = ( 10 << 8 ) + 8; // fcHigh = 10, fcLow = 8
52f2df61	169	uint64_t arg2 = 50; // clk RF/50 invert=0
52f2df61	170
8fd9bfb0	171	char cmdp = param_getchar(Cmd, 0);
8fd9bfb0	172	if (strlen(Cmd) == 0 \|\| cmdp == 'h' \|\| cmdp == 'H') return usage_lf_awid_sim();
52f2df61	173
8fd9bfb0	174	fmtlen = param_get8(Cmd, 0);
	175	fc = param_get32ex(Cmd, 1, 0, 10);
	176	cn = param_get32ex(Cmd, 2, 0, 10);
	177	if ( !fc \|\| !cn) return usage_lf_awid_sim();
52f2df61	178
8fd9bfb0	179	switch(fmtlen) {
	180	case 26:
	181	if ((fc & 0xFF) != fc) {
	182	fc &= 0xFF;
	183	PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
	184	}
	185
	186	if ((cn & 0xFFFF) != cn) {
	187	cn &= 0xFFFF;
	188	PrintAndLog("Card Number Truncated to 16-bits (AWID26): %u", cn);
	189	}
	190	break;
	191	case 50:
	192	if ((fc & 0xFFFF) != fc) {
	193	fc &= 0xFFFF;
	194	PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
	195	}
	196	break;
	197	default: break;
	198	}
	199
	200	PrintAndLog("Emulating AWID %u -- FC: %u; CN: %u\n", fmtlen, fc, cn);
52f2df61	201	PrintAndLog("Press pm3-button to abort simulation or run another command");
52f2df61	202
8fd9bfb0	203	if (!getAWIDBits(fmtlen, fc, cn, bs)) {
52f2df61	204	PrintAndLog("Error with tag bitstream generation.");
	205	return 1;
	206	}
	207	// AWID uses: fcHigh: 10, fcLow: 8, clk: 50, invert: 0
52f2df61	208	// arg1 --- fcHigh<<8 + fcLow
	209	// arg2 --- Inversion and clk setting
	210	// 96 --- Bitstream length: 96-bits == 12 bytes
a126332a	211	UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
a126332a	212	memcpy(c.d.asBytes, bs, size);
52f2df61	213	clearCommandBuffer();
	214	SendCommand(&c);
	215	return 0;
db25599d	216	}
db25599d	217
a126332a	218	int CmdAWIDClone(const char *Cmd) {
a126332a	219	uint32_t blocks[4] = {T55x7_MODULATION_FSK2a \| T55x7_BITRATE_RF_50 \| 3<<T55x7_MAXBLOCK_SHIFT, 0, 0, 0};
8fd9bfb0	220	uint32_t fc = 0, cn = 0;
8fd9bfb0	221	uint8_t fmtlen = 0;
a126332a	222	uint8_t bits[96];
52f2df61	223	uint8_t *bs=bits;
a126332a	224	memset(bs,0,sizeof(bits));
52f2df61	225
8fd9bfb0	226	char cmdp = param_getchar(Cmd, 0);
8fd9bfb0	227	if (strlen(Cmd) == 0 \|\| cmdp == 'h' \|\| cmdp == 'H') return usage_lf_awid_clone();
f3cfe428	228
8fd9bfb0	229	fmtlen = param_get8(Cmd, 0);
	230	fc = param_get32ex(Cmd, 1, 0, 10);
	231	cn = param_get32ex(Cmd, 2, 0, 10);
a126332a	232
8fd9bfb0	233	if ( !fc \|\| !cn) return usage_lf_awid_clone();
	234
	235	switch(fmtlen) {
	236	case 50:
	237	if ((fc & 0xFFFF) != fc) {
	238	fc &= 0xFFFF;
	239	PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
	240	}
	241	break;
	242	default:
	243	fmtlen = 26;
	244	if ((fc & 0xFF) != fc) {
	245	fc &= 0xFF;
	246	PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
	247	}
f3cfe428	248
8fd9bfb0	249	if ((cn & 0xFFFF) != cn) {
	250	cn &= 0xFFFF;
	251	PrintAndLog("Card Number Truncated to 16-bits (AWID26): %u", cn);
	252	}
	253	break;
f3cfe428	254	}
52f2df61	255
8fd9bfb0	256	if (param_getchar(Cmd, 4) == 'Q' \|\| param_getchar(Cmd, 4) == 'q')
890ae3dd	257	//t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
8fd9bfb0	258	blocks[0] = T5555_MODULATION_FSK2 \| T5555_INVERT_OUTPUT \| 50<<T5555_BITRATE_SHIFT \| 3<<T5555_MAXBLOCK_SHIFT;
	259
	260	if ( !getAWIDBits(fmtlen, fc, cn, bs)) {
52f2df61	261	PrintAndLog("Error with tag bitstream generation.");
	262	return 1;
	263	}
	264
a126332a	265	blocks[1] = bytebits_to_byte(bs,32);
	266	blocks[2] = bytebits_to_byte(bs+32,32);
	267	blocks[3] = bytebits_to_byte(bs+64,32);
52f2df61	268
8fd9bfb0	269	PrintAndLog("Preparing to clone AWID %u to T55x7 with FC: %u, CN: %u", fmtlen, fc, cn);
52f2df61	270	PrintAndLog("Blk \| Data ");
	271	PrintAndLog("----+------------");
	272	PrintAndLog(" 00 \| 0x%08x", blocks[0]);
	273	PrintAndLog(" 01 \| 0x%08x", blocks[1]);
	274	PrintAndLog(" 02 \| 0x%08x", blocks[2]);
	275	PrintAndLog(" 03 \| 0x%08x", blocks[3]);
	276
	277	UsbCommand resp;
	278	UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
f3cfe428	279
a126332a	280	for (uint8_t i=0; i<4; i++) {
52f2df61	281	c.arg[0] = blocks[i];
	282	c.arg[1] = i;
	283	clearCommandBuffer();
	284	SendCommand(&c);
26922aef	285	if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)){
52f2df61	286	PrintAndLog("Error occurred, device did not respond during write operation.");
52f2df61	287	return -1;
f3cfe428	288	}
	289	}
	290	return 0;
db25599d	291	}
db25599d	292
508b37ba	293	int CmdAWIDBrute(const char *Cmd){
508b37ba	294
10c4231e	295	bool errors = false;
10c4231e	296	uint32_t fc = 0, cn = 0, delay = 1000;
8fd9bfb0	297	uint8_t fmtlen = 0;
508b37ba	298	uint8_t bits[96];
	299	uint8_t *bs = bits;
	300	size_t size = sizeof(bits);
	301	memset(bs, 0x00, size);
10c4231e	302	uint8_t cmdp = 0;
934dfd72	303
10c4231e	304	while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
	305	switch(param_getchar(Cmd, cmdp)) {
	306	case 'h':
	307	case 'H':
	308	return usage_lf_awid_brute();
	309	case 'f':
	310	case 'F':
	311	fc = param_get32ex(Cmd ,cmdp+1, 0, 10);
	312	if ( !fc )
	313	errors = true;
	314	cmdp += 2;
	315	break;
	316	case 'd':
	317	case 'D':
	318	// delay between attemps, defaults to 1000ms.
	319	delay = param_get32ex(Cmd, cmdp+1, 1000, 10);
	320	cmdp += 2;
	321	break;
	322	case 'c':
	323	case 'C':
	324	cn = param_get32ex(Cmd, cmdp+1, 0, 10);
	325	// truncate cardnumber.
	326	cn &= 0xFFFF;
	327	cmdp += 2;
	328	break;
	329	case 'a':
	330	case 'A':
	331	fmtlen = param_get8(Cmd, cmdp+1);
	332	cmdp += 2;
	333	break;
	334	default:
	335	PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
	336	errors = true;
	337	break;
	338	}
	339	}
	340	if ( fc == 0 )errors = true;
	341	if ( errors ) return usage_lf_awid_brute();
	342
	343	// limit fc according to selected format
8fd9bfb0	344	switch(fmtlen) {
	345	case 50:
	346	if ((fc & 0xFFFF) != fc) {
	347	fc &= 0xFFFF;
10c4231e	348	PrintAndLog("Facility-code truncated to 16-bits (AWID50): %u", fc);
8fd9bfb0	349	}
	350	break;
	351	default:
	352	if ((fc & 0xFF) != fc) {
	353	fc &= 0xFF;
10c4231e	354	PrintAndLog("Facility-code truncated to 8-bits (AWID26): %u", fc);
8fd9bfb0	355	}
	356	break;
	357	}
508b37ba	358
10c4231e	359	// start
10c4231e	360
8fd9bfb0	361	PrintAndLog("Bruteforceing AWID %d Reader", fmtlen);
934dfd72	362	PrintAndLog("Press pm3-button to abort simulation or press key");
508b37ba	363
10c4231e	364	uint16_t up = cn;
	365	uint16_t down = cn;
	366
	367	for (;;){
	368
	369	if (ukbhit()) return sendPing();
	370
	371	// Do one up
	372	if ( up < 0xFFFF )
	373	if ( !sendTry(fmtlen, fc, up++, delay, bs, size)) return 1;
508b37ba	374
10c4231e	375	// Do one down (if cardnumber is given)
	376	if ( cn > 1 )
	377	if ( down > 0 )
	378	if ( !sendTry(fmtlen, fc, --down, delay, bs, size)) return 1;
508b37ba	379	}
	380	return 0;
	381	}
	382
a126332a	383	static command_t CommandTable[] = {
f3cfe428	384	{"help", CmdHelp, 1, "This help"},
10c4231e	385	{"fskdemod", CmdAWIDDemodFSK, 0, "Realtime AWID FSK demodulator"},
	386	{"sim", CmdAWIDSim, 0, "AWID tag simulator"},
	387	{"clone", CmdAWIDClone, 0, "Clone AWID to T55x7"},
	388	{"brute", CmdAWIDBrute, 0, "Bruteforce card number against reader"},
f3cfe428	389	{NULL, NULL, 0, NULL}
db25599d	390	};
db25599d	391
a126332a	392	int CmdLFAWID(const char *Cmd) {
4c36581b	393	clearCommandBuffer();
f3cfe428	394	CmdsParse(CommandTable, Cmd);
f3cfe428	395	return 0;
db25599d	396	}
db25599d	397
a126332a	398	int CmdHelp(const char *Cmd) {
f3cfe428	399	CmdsHelp(CommandTable);
f3cfe428	400	return 0;
db25599d	401	}