[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 [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 incremental attack against reader.");
	PrintAndLog("");
	PrintAndLog("Usage:  lf awid brute [h] <format> <facility-code> <delay>");
	PrintAndLog("Options :");
	PrintAndLog("                h :  This help");
	PrintAndLog("         <format> :  format length 26|50");
	PrintAndLog("  <facility-code> :  8|16bit value facility code");
	PrintAndLog("          <delay> :  delay betweens attempts in ms. Default 1000ms");
	PrintAndLog("");
	PrintAndLog("Samples");
	PrintAndLog("       lf awid brute 26 224");
	PrintAndLog("       lf awid brute 50 2001 2000");
	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')
		//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){
	
	uint32_t fc = 0, delay = 1000;
	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) == 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();
	
	// delay between attemps,  defaults to 1000ms. 
	delay = param_get32ex(Cmd, 2, 1000, 10);
	
	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 press key");

	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()) {
			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;
		}

		PrintAndLog("Trying FC: %u; CN: %u", fc, cn);		
		if ( !getAWIDBits(fmtlen, fc, cn, bs)) {
			PrintAndLog("Error with tag bitstream generation.");
			return 1;
		}	
		memcpy(c.d.asBytes, bs, size);
		clearCommandBuffer();
		SendCommand(&c);
		
		msleep(delay);
	}
	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, "<format> <facility-code> <delay> -- bruteforce card number given a FC"},
	{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("");
890ae3dd	31	PrintAndLog("Usage: lf awid fskdemod [h] [1]");
a126332a	32	PrintAndLog("Options :");
890ae3dd	33	PrintAndLog(" h : This help");
8fd9bfb0	34	PrintAndLog(" 1 : (optional) stop after reading a single card");
a126332a	35	PrintAndLog("");
8fd9bfb0	36	PrintAndLog("Samples");
	37	PrintAndLog(" lf awid fskdemod");
	38	PrintAndLog(" lf awid fskdemod 1");
a126332a	39	return 0;
db25599d	40	}
	41
	42	int usage_lf_awid_sim(void) {
8fd9bfb0	43	PrintAndLog("Enables simulation of AWID card with specified facility-code and card number.");
a126332a	44	PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
a126332a	45	PrintAndLog("");
890ae3dd	46	PrintAndLog("Usage: lf awid sim [h] <format> <facility-code> <card-number>");
a126332a	47	PrintAndLog("Options :");
890ae3dd	48	PrintAndLog(" h : This help");
890ae3dd	49	PrintAndLog(" <format> : format length 26\|50");
8fd9bfb0	50	PrintAndLog(" <facility-code> : 8\|16bit value facility code");
890ae3dd	51	PrintAndLog(" <card number> : 16\|32-bit value card number");
a126332a	52	PrintAndLog("");
8fd9bfb0	53	PrintAndLog("Samples");
	54	PrintAndLog(" lf awid sim 26 224 1337");
	55	PrintAndLog(" lf awid sim 50 2001 13371337");
a126332a	56	return 0;
db25599d	57	}
	58
	59	int usage_lf_awid_clone(void) {
8fd9bfb0	60	PrintAndLog("Enables cloning of AWID card with specified facility-code and card number onto T55x7.");
a126332a	61	PrintAndLog("The T55x7 must be on the antenna when issuing this command. T55x7 blocks are calculated and printed in the process.");
a126332a	62	PrintAndLog("");
890ae3dd	63	PrintAndLog("Usage: lf awid clone [h] <format> <facility-code> <card-number> [Q5]");
a126332a	64	PrintAndLog("Options :");
890ae3dd	65	PrintAndLog(" h : This help");
890ae3dd	66	PrintAndLog(" <format> : format length 26\|50");
8fd9bfb0	67	PrintAndLog(" <facility-code> : 8\|16bit value facility code");
890ae3dd	68	PrintAndLog(" <card number> : 16\|32-bit value card number");
890ae3dd	69	PrintAndLog(" Q5 : optional - clone to Q5 (T5555) instead of T55x7 chip");
a126332a	70	PrintAndLog("");
8fd9bfb0	71	PrintAndLog("Samples");
	72	PrintAndLog(" lf awid clone 26 224 1337");
	73	PrintAndLog(" lf awid clone 50 2001 13371337");
a126332a	74	return 0;
db25599d	75	}
db25599d	76
508b37ba	77	int usage_lf_awid_brute(void){
8fd9bfb0	78	PrintAndLog("Enables bruteforce of AWID reader with specified facility-code.");
978920b9	79	PrintAndLog("This is a incremental attack against reader.");
508b37ba	80	PrintAndLog("");
9bfd93ec	81	PrintAndLog("Usage: lf awid brute [h] <format> <facility-code> <delay>");
508b37ba	82	PrintAndLog("Options :");
890ae3dd	83	PrintAndLog(" h : This help");
890ae3dd	84	PrintAndLog(" <format> : format length 26\|50");
8fd9bfb0	85	PrintAndLog(" <facility-code> : 8\|16bit value facility code");
934dfd72	86	PrintAndLog(" <delay> : delay betweens attempts in ms. Default 1000ms");
508b37ba	87	PrintAndLog("");
8fd9bfb0	88	PrintAndLog("Samples");
8fd9bfb0	89	PrintAndLog(" lf awid brute 26 224");
934dfd72	90	PrintAndLog(" lf awid brute 50 2001 2000");
508b37ba	91	return 0;
	92	}
	93
52f2df61	94	int CmdAWIDDemodFSK(const char *Cmd) {
a126332a	95	int findone = 0;
	96	if (Cmd[0] == 'h' \|\| Cmd[0] == 'H') return usage_lf_awid_fskdemod();
	97	if (Cmd[0] == '1') findone = 1;
	98
	99	UsbCommand c = {CMD_AWID_DEMOD_FSK, {findone, 0, 0}};
	100	clearCommandBuffer();
	101	SendCommand(&c);
	102	return 0;
db25599d	103	}
db25599d	104
a126332a	105	//refactored by marshmellow
8fd9bfb0	106	int getAWIDBits(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint8_t *bits) {
	107
	108	// the return bits, preamble 0000 0001
	109	bits[7] = 1;
	110
a126332a	111	uint8_t pre[66];
a126332a	112	memset(pre, 0, sizeof(pre));
52f2df61	113
8fd9bfb0	114	// add formatlength
	115	num_to_bytebits(fmtlen, 8, pre);
	116
	117	// add facilitycode, cardnumber and wiegand parity bits
	118	if ( fmtlen == 26 ) {
	119	uint8_t wiegand[24];
	120	num_to_bytebits(fc, 8, wiegand);
	121	num_to_bytebits(cn, 16, wiegand+8);
	122	wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
	123	} else {
	124	uint8_t wiegand[48];
	125	num_to_bytebits(fc, 16, wiegand);
	126	num_to_bytebits(cn, 32, wiegand+16);
	127	wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
	128	}
	129
	130	// add AWID 4bit parity
	131	size_t bitLen = addParity(pre, bits+8, 66, 4, 1);
fcb1cdba	132
a126332a	133	if (bitLen != 88) return 0;
52f2df61	134	return 1;
db25599d	135	}
db25599d	136
a126332a	137	int CmdAWIDSim(const char *Cmd) {
8fd9bfb0	138	uint32_t fc = 0, cn = 0;
8fd9bfb0	139	uint8_t fmtlen = 0;
a126332a	140	uint8_t bits[96];
	141	uint8_t *bs = bits;
	142	size_t size = sizeof(bits);
fcb1cdba	143	memset(bs, 0x00, size);
52f2df61	144
fcb1cdba	145	uint64_t arg1 = ( 10 << 8 ) + 8; // fcHigh = 10, fcLow = 8
52f2df61	146	uint64_t arg2 = 50; // clk RF/50 invert=0
52f2df61	147
8fd9bfb0	148	char cmdp = param_getchar(Cmd, 0);
8fd9bfb0	149	if (strlen(Cmd) == 0 \|\| cmdp == 'h' \|\| cmdp == 'H') return usage_lf_awid_sim();
52f2df61	150
8fd9bfb0	151	fmtlen = param_get8(Cmd, 0);
	152	fc = param_get32ex(Cmd, 1, 0, 10);
	153	cn = param_get32ex(Cmd, 2, 0, 10);
	154	if ( !fc \|\| !cn) return usage_lf_awid_sim();
52f2df61	155
8fd9bfb0	156	switch(fmtlen) {
	157	case 26:
	158	if ((fc & 0xFF) != fc) {
	159	fc &= 0xFF;
	160	PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
	161	}
	162
	163	if ((cn & 0xFFFF) != cn) {
	164	cn &= 0xFFFF;
	165	PrintAndLog("Card Number Truncated to 16-bits (AWID26): %u", cn);
	166	}
	167	break;
	168	case 50:
	169	if ((fc & 0xFFFF) != fc) {
	170	fc &= 0xFFFF;
	171	PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
	172	}
	173	break;
	174	default: break;
	175	}
	176
	177	PrintAndLog("Emulating AWID %u -- FC: %u; CN: %u\n", fmtlen, fc, cn);
52f2df61	178	PrintAndLog("Press pm3-button to abort simulation or run another command");
52f2df61	179
8fd9bfb0	180	if (!getAWIDBits(fmtlen, fc, cn, bs)) {
52f2df61	181	PrintAndLog("Error with tag bitstream generation.");
	182	return 1;
	183	}
	184	// AWID uses: fcHigh: 10, fcLow: 8, clk: 50, invert: 0
52f2df61	185	// arg1 --- fcHigh<<8 + fcLow
	186	// arg2 --- Inversion and clk setting
	187	// 96 --- Bitstream length: 96-bits == 12 bytes
a126332a	188	UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
a126332a	189	memcpy(c.d.asBytes, bs, size);
52f2df61	190	clearCommandBuffer();
	191	SendCommand(&c);
	192	return 0;
db25599d	193	}
db25599d	194
a126332a	195	int CmdAWIDClone(const char *Cmd) {
a126332a	196	uint32_t blocks[4] = {T55x7_MODULATION_FSK2a \| T55x7_BITRATE_RF_50 \| 3<<T55x7_MAXBLOCK_SHIFT, 0, 0, 0};
8fd9bfb0	197	uint32_t fc = 0, cn = 0;
8fd9bfb0	198	uint8_t fmtlen = 0;
a126332a	199	uint8_t bits[96];
52f2df61	200	uint8_t *bs=bits;
a126332a	201	memset(bs,0,sizeof(bits));
52f2df61	202
8fd9bfb0	203	char cmdp = param_getchar(Cmd, 0);
8fd9bfb0	204	if (strlen(Cmd) == 0 \|\| cmdp == 'h' \|\| cmdp == 'H') return usage_lf_awid_clone();
f3cfe428	205
8fd9bfb0	206	fmtlen = param_get8(Cmd, 0);
	207	fc = param_get32ex(Cmd, 1, 0, 10);
	208	cn = param_get32ex(Cmd, 2, 0, 10);
a126332a	209
8fd9bfb0	210	if ( !fc \|\| !cn) return usage_lf_awid_clone();
	211
	212	switch(fmtlen) {
	213	case 50:
	214	if ((fc & 0xFFFF) != fc) {
	215	fc &= 0xFFFF;
	216	PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
	217	}
	218	break;
	219	default:
	220	fmtlen = 26;
	221	if ((fc & 0xFF) != fc) {
	222	fc &= 0xFF;
	223	PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
	224	}
f3cfe428	225
8fd9bfb0	226	if ((cn & 0xFFFF) != cn) {
	227	cn &= 0xFFFF;
	228	PrintAndLog("Card Number Truncated to 16-bits (AWID26): %u", cn);
	229	}
	230	break;
f3cfe428	231	}
52f2df61	232
8fd9bfb0	233	if (param_getchar(Cmd, 4) == 'Q' \|\| param_getchar(Cmd, 4) == 'q')
890ae3dd	234	//t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
8fd9bfb0	235	blocks[0] = T5555_MODULATION_FSK2 \| T5555_INVERT_OUTPUT \| 50<<T5555_BITRATE_SHIFT \| 3<<T5555_MAXBLOCK_SHIFT;
	236
	237	if ( !getAWIDBits(fmtlen, fc, cn, bs)) {
52f2df61	238	PrintAndLog("Error with tag bitstream generation.");
	239	return 1;
	240	}
	241
a126332a	242	blocks[1] = bytebits_to_byte(bs,32);
	243	blocks[2] = bytebits_to_byte(bs+32,32);
	244	blocks[3] = bytebits_to_byte(bs+64,32);
52f2df61	245
8fd9bfb0	246	PrintAndLog("Preparing to clone AWID %u to T55x7 with FC: %u, CN: %u", fmtlen, fc, cn);
52f2df61	247	PrintAndLog("Blk \| Data ");
	248	PrintAndLog("----+------------");
	249	PrintAndLog(" 00 \| 0x%08x", blocks[0]);
	250	PrintAndLog(" 01 \| 0x%08x", blocks[1]);
	251	PrintAndLog(" 02 \| 0x%08x", blocks[2]);
	252	PrintAndLog(" 03 \| 0x%08x", blocks[3]);
	253
	254	UsbCommand resp;
	255	UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
f3cfe428	256
a126332a	257	for (uint8_t i=0; i<4; i++) {
52f2df61	258	c.arg[0] = blocks[i];
	259	c.arg[1] = i;
	260	clearCommandBuffer();
	261	SendCommand(&c);
26922aef	262	if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)){
52f2df61	263	PrintAndLog("Error occurred, device did not respond during write operation.");
52f2df61	264	return -1;
f3cfe428	265	}
	266	}
	267	return 0;
db25599d	268	}
db25599d	269
508b37ba	270	int CmdAWIDBrute(const char *Cmd){
508b37ba	271
9bfd93ec	272	uint32_t fc = 0, delay = 1000;
8fd9bfb0	273	uint8_t fmtlen = 0;
508b37ba	274	uint8_t bits[96];
	275	uint8_t *bs = bits;
	276	size_t size = sizeof(bits);
	277	memset(bs, 0x00, size);
	278
	279	char cmdp = param_getchar(Cmd, 0);
471f89b8	280	if (strlen(Cmd) == 0 \|\| cmdp == 'h' \|\| cmdp == 'H') return usage_lf_awid_brute();
508b37ba	281
8fd9bfb0	282	fmtlen = param_get8(Cmd, 0);
	283	fc = param_get32ex(Cmd, 1, 0, 10);
	284	if ( !fc ) return usage_lf_awid_brute();
	285
934dfd72	286	// delay between attemps, defaults to 1000ms.
9bfd93ec	287	delay = param_get32ex(Cmd, 2, 1000, 10);
934dfd72	288
8fd9bfb0	289	switch(fmtlen) {
	290	case 50:
	291	if ((fc & 0xFFFF) != fc) {
	292	fc &= 0xFFFF;
	293	PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
	294	}
	295	break;
	296	default:
	297	if ((fc & 0xFF) != fc) {
	298	fc &= 0xFF;
	299	PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
	300	}
	301	break;
	302	}
508b37ba	303
8fd9bfb0	304	PrintAndLog("Bruteforceing AWID %d Reader", fmtlen);
934dfd72	305	PrintAndLog("Press pm3-button to abort simulation or press key");
508b37ba	306
	307	uint64_t arg1 = (10<<8) + 8; // fcHigh = 10, fcLow = 8
	308	uint64_t arg2 = 50; // clk RF/50 invert=0
	309	UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
	310
	311	for ( uint16_t cn = 1; cn < 0xFFFF; ++cn){
934dfd72	312
508b37ba	313	if (ukbhit()) {
8a5b3c2a	314	UsbCommand resp;
934dfd72	315	UsbCommand ping = {CMD_PING};
508b37ba	316	clearCommandBuffer();
934dfd72	317	SendCommand(&ping);
8a5b3c2a	318	if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {
	319	PrintAndLog("aborted via keyboard!");
	320	return 0;
	321	}
	322	PrintAndLog("Device didnt respond to ABORT");
508b37ba	323	return 1;
508b37ba	324	}
934dfd72	325
934dfd72	326	PrintAndLog("Trying FC: %u; CN: %u", fc, cn);
8a5b3c2a	327	if ( !getAWIDBits(fmtlen, fc, cn, bs)) {
	328	PrintAndLog("Error with tag bitstream generation.");
	329	return 1;
	330	}
508b37ba	331	memcpy(c.d.asBytes, bs, size);
	332	clearCommandBuffer();
	333	SendCommand(&c);
	334
934dfd72	335	msleep(delay);
508b37ba	336	}
	337	return 0;
	338	}
	339
a126332a	340	static command_t CommandTable[] = {
f3cfe428	341	{"help", CmdHelp, 1, "This help"},
f3cfe428	342	{"fskdemod", CmdAWIDDemodFSK, 0, "['1'] Realtime AWID FSK demodulator (option '1' for one tag only)"},
8a5b3c2a	343	{"sim", CmdAWIDSim, 0, "<facility-code> <card number> -- AWID tag simulator"},
	344	{"clone", CmdAWIDClone, 0, "<facility-code> <card number> <Q5> -- Clone AWID to T55x7"},
	345	{"brute", CmdAWIDBrute, 0, "<format> <facility-code> <delay> -- bruteforce card number given a FC"},
f3cfe428	346	{NULL, NULL, 0, NULL}
db25599d	347	};
db25599d	348
a126332a	349	int CmdLFAWID(const char *Cmd) {
4c36581b	350	clearCommandBuffer();
f3cfe428	351	CmdsParse(CommandTable, Cmd);
f3cfe428	352	return 0;
db25599d	353	}
db25599d	354
a126332a	355	int CmdHelp(const char *Cmd) {
f3cfe428	356	CmdsHelp(CommandTable);
f3cfe428	357	return 0;
db25599d	358	}