[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 commands
//-----------------------------------------------------------------------------

#include <stdio.h>      // sscanf
#include "proxmark3.h"  // Definitions, USB controls, etc
#include "ui.h"         // PrintAndLog
#include "cmdparser.h"  // CmdsParse, CmdsHelp
#include "cmdlfawid.h"  // AWID function declarations
#include "lfdemod.h"    // parityTest
#include "util.h"       // weigandparity
#include "protocols.h"  // for T55xx config register definitions
#include "cmdmain.h"
#include "sleep.h"
 
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 [1]");
	PrintAndLog("Options :");
	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 <format> <facility-code> <card-number>");
	PrintAndLog("Options :");
	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 <format> <facility-code> <card-number>");
	PrintAndLog("Options :");
	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 incremental attack against reader.");
	PrintAndLog("");
	PrintAndLog("Usage:  lf awid brute <format> <facility-code>");
	PrintAndLog("Options :");
	PrintAndLog("  <format>        :  format length 26|50");
	PrintAndLog("  <facility-code> :  8|16bit value facility code");
	PrintAndLog("");
	PrintAndLog("Samples");
	PrintAndLog("       lf awid brute 26 224");
	PrintAndLog("       lf awid brute 50 2001");
	return 0;
}

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')
		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, 1000)){
			PrintAndLog("Error occurred, device did not respond during write operation.");
			return -1;
		}
	}
	return 0;
}

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

	char cmdp = param_getchar(Cmd, 0);
	if (strlen(Cmd) > 4 || strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_awid_brute();
	
	fmtlen = param_get8(Cmd, 0);
  	fc =  param_get32ex(Cmd, 1, 0, 10);
	if ( !fc ) return usage_lf_awid_brute();
	
	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;
	}
	
	PrintAndLog("Bruteforceing AWID %d Reader", fmtlen);
	PrintAndLog("Press pm3-button to abort simulation or run another command");

	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, size}};  

	for ( uint16_t cn = 1; cn < 0xFFFF; ++cn){
		if (ukbhit()) {
			PrintAndLog("aborted via keyboard!");
			c.cmd = CMD_PING;
			c.arg[0] = 0x00;
			c.arg[1] = 0x00;
			c.arg[2] = 0x00;
			clearCommandBuffer();
			SendCommand(&c);
			return 1;
		}
			
		(void)getAWIDBits(fmtlen, fc, cn, bs);
		memcpy(c.d.asBytes, bs, size);
		clearCommandBuffer();
		SendCommand(&c);
		
		PrintAndLog("Trying FC: %u; CN: %u", fc, cn);
		// pause
		sleep(1);
	}
	return 0;
}

static command_t CommandTable[] = {
	{"help",      CmdHelp,         1, "This help"},
	{"fskdemod",  CmdAWIDDemodFSK, 0, "['1'] Realtime AWID FSK demodulator (option '1' for one tag only)"},
	{"sim",       CmdAWIDSim,      0, "<Facility-Code> <Card Number> -- AWID tag simulator"},
	{"clone",     CmdAWIDClone,    0, "<Facility-Code> <Card Number> <Q5> -- Clone AWID to T55x7"},
	{"brute",	  CmdAWIDBrute,	   0, "<Facility-Code> -- bruteforce card number"},
	{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	//-----------------------------------------------------------------------------
	10	// Low frequency AWID26 commands
	11	//-----------------------------------------------------------------------------
	12
	13	#include <stdio.h> // sscanf
	14	#include "proxmark3.h" // Definitions, USB controls, etc
	15	#include "ui.h" // PrintAndLog
	16	#include "cmdparser.h" // CmdsParse, CmdsHelp
	17	#include "cmdlfawid.h" // AWID function declarations
	18	#include "lfdemod.h" // parityTest
a126332a	19	#include "util.h" // weigandparity
a126332a	20	#include "protocols.h" // for T55xx config register definitions
7838f4be	21	#include "cmdmain.h"
978920b9	22	#include "sleep.h"
508b37ba	23
db25599d	24	static int CmdHelp(const char *Cmd);
db25599d	25
db25599d	26	int usage_lf_awid_fskdemod(void) {
8fd9bfb0	27	PrintAndLog("Enables AWID compatible reader mode printing details of scanned AWID26 or AWID50 tags.");
a126332a	28	PrintAndLog("By default, values are printed and logged until the button is pressed or another USB command is issued.");
8fd9bfb0	29	PrintAndLog("If the [1] option is provided, reader mode is exited after reading a single AWID card.");
a126332a	30	PrintAndLog("");
8fd9bfb0	31	PrintAndLog("Usage: lf awid fskdemod [1]");
a126332a	32	PrintAndLog("Options :");
8fd9bfb0	33	PrintAndLog(" 1 : (optional) stop after reading a single card");
a126332a	34	PrintAndLog("");
8fd9bfb0	35	PrintAndLog("Samples");
	36	PrintAndLog(" lf awid fskdemod");
	37	PrintAndLog(" lf awid fskdemod 1");
a126332a	38	return 0;
db25599d	39	}
	40
	41	int usage_lf_awid_sim(void) {
8fd9bfb0	42	PrintAndLog("Enables simulation of AWID card with specified facility-code and card number.");
a126332a	43	PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
a126332a	44	PrintAndLog("");
8fd9bfb0	45	PrintAndLog("Usage: lf awid sim <format> <facility-code> <card-number>");
a126332a	46	PrintAndLog("Options :");
8fd9bfb0	47	PrintAndLog(" <format> : format length 26\|50");
	48	PrintAndLog(" <facility-code> : 8\|16bit value facility code");
	49	PrintAndLog(" <card number> : 16\|32-bit value card number");
a126332a	50	PrintAndLog("");
8fd9bfb0	51	PrintAndLog("Samples");
	52	PrintAndLog(" lf awid sim 26 224 1337");
	53	PrintAndLog(" lf awid sim 50 2001 13371337");
a126332a	54	return 0;
db25599d	55	}
	56
	57	int usage_lf_awid_clone(void) {
8fd9bfb0	58	PrintAndLog("Enables cloning of AWID card with specified facility-code and card number onto T55x7.");
a126332a	59	PrintAndLog("The T55x7 must be on the antenna when issuing this command. T55x7 blocks are calculated and printed in the process.");
a126332a	60	PrintAndLog("");
8fd9bfb0	61	PrintAndLog("Usage: lf awid clone <format> <facility-code> <card-number>");
a126332a	62	PrintAndLog("Options :");
8fd9bfb0	63	PrintAndLog(" <format> : format length 26\|50");
	64	PrintAndLog(" <facility-code> : 8\|16bit value facility code");
	65	PrintAndLog(" <card number> : 16\|32-bit value card number");
	66	PrintAndLog(" Q5 : optional - clone to Q5 (T5555) instead of T55x7 chip");
a126332a	67	PrintAndLog("");
8fd9bfb0	68	PrintAndLog("Samples");
	69	PrintAndLog(" lf awid clone 26 224 1337");
	70	PrintAndLog(" lf awid clone 50 2001 13371337");
a126332a	71	return 0;
db25599d	72	}
db25599d	73
508b37ba	74	int usage_lf_awid_brute(void){
8fd9bfb0	75	PrintAndLog("Enables bruteforce of AWID reader with specified facility-code.");
978920b9	76	PrintAndLog("This is a incremental attack against reader.");
508b37ba	77	PrintAndLog("");
8fd9bfb0	78	PrintAndLog("Usage: lf awid brute <format> <facility-code>");
508b37ba	79	PrintAndLog("Options :");
8fd9bfb0	80	PrintAndLog(" <format> : format length 26\|50");
8fd9bfb0	81	PrintAndLog(" <facility-code> : 8\|16bit value facility code");
508b37ba	82	PrintAndLog("");
8fd9bfb0	83	PrintAndLog("Samples");
	84	PrintAndLog(" lf awid brute 26 224");
	85	PrintAndLog(" lf awid brute 50 2001");
508b37ba	86	return 0;
	87	}
	88
52f2df61	89	int CmdAWIDDemodFSK(const char *Cmd) {
a126332a	90	int findone = 0;
	91	if (Cmd[0] == 'h' \|\| Cmd[0] == 'H') return usage_lf_awid_fskdemod();
	92	if (Cmd[0] == '1') findone = 1;
	93
	94	UsbCommand c = {CMD_AWID_DEMOD_FSK, {findone, 0, 0}};
	95	clearCommandBuffer();
	96	SendCommand(&c);
	97	return 0;
db25599d	98	}
db25599d	99
a126332a	100	//refactored by marshmellow
8fd9bfb0	101	int getAWIDBits(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint8_t *bits) {
	102
	103	// the return bits, preamble 0000 0001
	104	bits[7] = 1;
	105
a126332a	106	uint8_t pre[66];
a126332a	107	memset(pre, 0, sizeof(pre));
52f2df61	108
8fd9bfb0	109	// add formatlength
	110	num_to_bytebits(fmtlen, 8, pre);
	111
	112	// add facilitycode, cardnumber and wiegand parity bits
	113	if ( fmtlen == 26 ) {
	114	uint8_t wiegand[24];
	115	num_to_bytebits(fc, 8, wiegand);
	116	num_to_bytebits(cn, 16, wiegand+8);
	117	wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
	118	} else {
	119	uint8_t wiegand[48];
	120	num_to_bytebits(fc, 16, wiegand);
	121	num_to_bytebits(cn, 32, wiegand+16);
	122	wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
	123	}
	124
	125	// add AWID 4bit parity
	126	size_t bitLen = addParity(pre, bits+8, 66, 4, 1);
fcb1cdba	127
a126332a	128	if (bitLen != 88) return 0;
52f2df61	129	return 1;
db25599d	130	}
db25599d	131
a126332a	132	int CmdAWIDSim(const char *Cmd) {
8fd9bfb0	133	uint32_t fc = 0, cn = 0;
8fd9bfb0	134	uint8_t fmtlen = 0;
a126332a	135	uint8_t bits[96];
	136	uint8_t *bs = bits;
	137	size_t size = sizeof(bits);
fcb1cdba	138	memset(bs, 0x00, size);
52f2df61	139
fcb1cdba	140	uint64_t arg1 = ( 10 << 8 ) + 8; // fcHigh = 10, fcLow = 8
52f2df61	141	uint64_t arg2 = 50; // clk RF/50 invert=0
52f2df61	142
8fd9bfb0	143	char cmdp = param_getchar(Cmd, 0);
8fd9bfb0	144	if (strlen(Cmd) == 0 \|\| cmdp == 'h' \|\| cmdp == 'H') return usage_lf_awid_sim();
52f2df61	145
8fd9bfb0	146	fmtlen = param_get8(Cmd, 0);
	147	fc = param_get32ex(Cmd, 1, 0, 10);
	148	cn = param_get32ex(Cmd, 2, 0, 10);
	149	if ( !fc \|\| !cn) return usage_lf_awid_sim();
52f2df61	150
8fd9bfb0	151	switch(fmtlen) {
	152	case 26:
	153	if ((fc & 0xFF) != fc) {
	154	fc &= 0xFF;
	155	PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
	156	}
	157
	158	if ((cn & 0xFFFF) != cn) {
	159	cn &= 0xFFFF;
	160	PrintAndLog("Card Number Truncated to 16-bits (AWID26): %u", cn);
	161	}
	162	break;
	163	case 50:
	164	if ((fc & 0xFFFF) != fc) {
	165	fc &= 0xFFFF;
	166	PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
	167	}
	168	break;
	169	default: break;
	170	}
	171
	172	PrintAndLog("Emulating AWID %u -- FC: %u; CN: %u\n", fmtlen, fc, cn);
52f2df61	173	PrintAndLog("Press pm3-button to abort simulation or run another command");
52f2df61	174
8fd9bfb0	175	if (!getAWIDBits(fmtlen, fc, cn, bs)) {
52f2df61	176	PrintAndLog("Error with tag bitstream generation.");
	177	return 1;
	178	}
	179	// AWID uses: fcHigh: 10, fcLow: 8, clk: 50, invert: 0
52f2df61	180	// arg1 --- fcHigh<<8 + fcLow
	181	// arg2 --- Inversion and clk setting
	182	// 96 --- Bitstream length: 96-bits == 12 bytes
a126332a	183	UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
a126332a	184	memcpy(c.d.asBytes, bs, size);
52f2df61	185	clearCommandBuffer();
	186	SendCommand(&c);
	187	return 0;
db25599d	188	}
db25599d	189
a126332a	190	int CmdAWIDClone(const char *Cmd) {
a126332a	191	uint32_t blocks[4] = {T55x7_MODULATION_FSK2a \| T55x7_BITRATE_RF_50 \| 3<<T55x7_MAXBLOCK_SHIFT, 0, 0, 0};
8fd9bfb0	192	uint32_t fc = 0, cn = 0;
8fd9bfb0	193	uint8_t fmtlen = 0;
a126332a	194	uint8_t bits[96];
52f2df61	195	uint8_t *bs=bits;
a126332a	196	memset(bs,0,sizeof(bits));
52f2df61	197
8fd9bfb0	198	char cmdp = param_getchar(Cmd, 0);
8fd9bfb0	199	if (strlen(Cmd) == 0 \|\| cmdp == 'h' \|\| cmdp == 'H') return usage_lf_awid_clone();
f3cfe428	200
8fd9bfb0	201	fmtlen = param_get8(Cmd, 0);
	202	fc = param_get32ex(Cmd, 1, 0, 10);
	203	cn = param_get32ex(Cmd, 2, 0, 10);
a126332a	204
8fd9bfb0	205	if ( !fc \|\| !cn) return usage_lf_awid_clone();
	206
	207	switch(fmtlen) {
	208	case 50:
	209	if ((fc & 0xFFFF) != fc) {
	210	fc &= 0xFFFF;
	211	PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
	212	}
	213	break;
	214	default:
	215	fmtlen = 26;
	216	if ((fc & 0xFF) != fc) {
	217	fc &= 0xFF;
	218	PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
	219	}
f3cfe428	220
8fd9bfb0	221	if ((cn & 0xFFFF) != cn) {
	222	cn &= 0xFFFF;
	223	PrintAndLog("Card Number Truncated to 16-bits (AWID26): %u", cn);
	224	}
	225	break;
f3cfe428	226	}
52f2df61	227
8fd9bfb0	228	if (param_getchar(Cmd, 4) == 'Q' \|\| param_getchar(Cmd, 4) == 'q')
	229	blocks[0] = T5555_MODULATION_FSK2 \| T5555_INVERT_OUTPUT \| 50<<T5555_BITRATE_SHIFT \| 3<<T5555_MAXBLOCK_SHIFT;
	230
	231	if ( !getAWIDBits(fmtlen, fc, cn, bs)) {
52f2df61	232	PrintAndLog("Error with tag bitstream generation.");
	233	return 1;
	234	}
	235
a126332a	236	blocks[1] = bytebits_to_byte(bs,32);
	237	blocks[2] = bytebits_to_byte(bs+32,32);
	238	blocks[3] = bytebits_to_byte(bs+64,32);
52f2df61	239
8fd9bfb0	240	PrintAndLog("Preparing to clone AWID %u to T55x7 with FC: %u, CN: %u", fmtlen, fc, cn);
52f2df61	241	PrintAndLog("Blk \| Data ");
	242	PrintAndLog("----+------------");
	243	PrintAndLog(" 00 \| 0x%08x", blocks[0]);
	244	PrintAndLog(" 01 \| 0x%08x", blocks[1]);
	245	PrintAndLog(" 02 \| 0x%08x", blocks[2]);
	246	PrintAndLog(" 03 \| 0x%08x", blocks[3]);
	247
	248	UsbCommand resp;
	249	UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
f3cfe428	250
a126332a	251	for (uint8_t i=0; i<4; i++) {
52f2df61	252	c.arg[0] = blocks[i];
	253	c.arg[1] = i;
	254	clearCommandBuffer();
	255	SendCommand(&c);
	256	if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
	257	PrintAndLog("Error occurred, device did not respond during write operation.");
	258	return -1;
f3cfe428	259	}
	260	}
	261	return 0;
db25599d	262	}
db25599d	263
508b37ba	264	int CmdAWIDBrute(const char *Cmd){
508b37ba	265
8fd9bfb0	266	uint32_t fc = 0x00;
8fd9bfb0	267	uint8_t fmtlen = 0;
508b37ba	268	uint8_t bits[96];
	269	uint8_t *bs = bits;
	270	size_t size = sizeof(bits);
	271	memset(bs, 0x00, size);
	272
	273	char cmdp = param_getchar(Cmd, 0);
8fd9bfb0	274	if (strlen(Cmd) > 4 \|\| strlen(Cmd) == 0 \|\| cmdp == 'h' \|\| cmdp == 'H') return usage_lf_awid_brute();
508b37ba	275
8fd9bfb0	276	fmtlen = param_get8(Cmd, 0);
	277	fc = param_get32ex(Cmd, 1, 0, 10);
	278	if ( !fc ) return usage_lf_awid_brute();
	279
	280	switch(fmtlen) {
	281	case 50:
	282	if ((fc & 0xFFFF) != fc) {
	283	fc &= 0xFFFF;
	284	PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
	285	}
	286	break;
	287	default:
	288	if ((fc & 0xFF) != fc) {
	289	fc &= 0xFF;
	290	PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
	291	}
	292	break;
	293	}
508b37ba	294
8fd9bfb0	295	PrintAndLog("Bruteforceing AWID %d Reader", fmtlen);
508b37ba	296	PrintAndLog("Press pm3-button to abort simulation or run another command");
	297
	298	uint64_t arg1 = (10<<8) + 8; // fcHigh = 10, fcLow = 8
	299	uint64_t arg2 = 50; // clk RF/50 invert=0
	300	UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
	301
	302	for ( uint16_t cn = 1; cn < 0xFFFF; ++cn){
	303	if (ukbhit()) {
	304	PrintAndLog("aborted via keyboard!");
	305	c.cmd = CMD_PING;
	306	c.arg[0] = 0x00;
	307	c.arg[1] = 0x00;
	308	c.arg[2] = 0x00;
	309	clearCommandBuffer();
	310	SendCommand(&c);
	311	return 1;
	312	}
	313
8fd9bfb0	314	(void)getAWIDBits(fmtlen, fc, cn, bs);
508b37ba	315	memcpy(c.d.asBytes, bs, size);
	316	clearCommandBuffer();
	317	SendCommand(&c);
	318
	319	PrintAndLog("Trying FC: %u; CN: %u", fc, cn);
	320	// pause
	321	sleep(1);
	322	}
	323	return 0;
	324	}
	325
a126332a	326	static command_t CommandTable[] = {
f3cfe428	327	{"help", CmdHelp, 1, "This help"},
	328	{"fskdemod", CmdAWIDDemodFSK, 0, "['1'] Realtime AWID FSK demodulator (option '1' for one tag only)"},
	329	{"sim", CmdAWIDSim, 0, "<Facility-Code> <Card Number> -- AWID tag simulator"},
a126332a	330	{"clone", CmdAWIDClone, 0, "<Facility-Code> <Card Number> <Q5> -- Clone AWID to T55x7"},
508b37ba	331	{"brute", CmdAWIDBrute, 0, "<Facility-Code> -- bruteforce card number"},
f3cfe428	332	{NULL, NULL, 0, NULL}
db25599d	333	};
db25599d	334
a126332a	335	int CmdLFAWID(const char *Cmd) {
4c36581b	336	clearCommandBuffer();
f3cfe428	337	CmdsParse(CommandTable, Cmd);
f3cfe428	338	return 0;
db25599d	339	}
db25599d	340
a126332a	341	int CmdHelp(const char *Cmd) {
f3cfe428	342	CmdsHelp(CommandTable);
f3cfe428	343	return 0;
db25599d	344	}