[proxmark3-svn] / client / cmdlfpyramid.c

//-----------------------------------------------------------------------------
//
// 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 Farpoint / Pyramid tag commands
//-----------------------------------------------------------------------------
#include <string.h>
#include <inttypes.h>
#include <stdio.h>
#include "cmdlfpyramid.h"
#include "proxmark3.h"
#include "ui.h"
#include "util.h"
#include "graph.h"
#include "cmdparser.h"
#include "cmddata.h"
#include "cmdmain.h"
#include "cmdlf.h"
#include "protocols.h"  // for T55xx config register definitions
#include "lfdemod.h"    // parityTest
#include "crc.h"

static int CmdHelp(const char *Cmd);

int usage_lf_pyramid_clone(void){
	PrintAndLog("clone a Farpointe/Pyramid tag to a T55x7 tag.");
	PrintAndLog("The facility-code is 8-bit and the card number is 16-bit.  Larger values are truncated. ");
	PrintAndLog("Currently work only on 26bit");
	PrintAndLog("");
	PrintAndLog("Usage: lf pyramid clone <Facility-Code> <Card-Number>");
	PrintAndLog("Options :");
	PrintAndLog("  <Facility-Code> :  8-bit value facility code");
	PrintAndLog("  <Card Number>   : 16-bit value card number");
	PrintAndLog("  Q5              : optional - clone to Q5 (T5555) instead of T55x7 chip");
	PrintAndLog("");
	PrintAndLog("Sample  : lf pyramid clone 123 11223");
	return 0;
}

int usage_lf_pyramid_sim(void) {
	PrintAndLog("Enables simulation of Farpointe/Pyramid card with specified card number.");
	PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
	PrintAndLog("The facility-code is 8-bit and the card number is 16-bit.  Larger values are truncated.");
	PrintAndLog("Currently work only on 26bit");
	PrintAndLog("");
	PrintAndLog("Usage:  lf pyramid sim <Card-Number>");
	PrintAndLog("Options :");
	PrintAndLog("  <Facility-Code> :  8-bit value facility code");
	PrintAndLog("  <Card Number>   : 16-bit value card number");
	PrintAndLog("");
	PrintAndLog("Sample  : lf pyramid sim 123 11223");
	return 0;
}

// Works for 26bits.
int GetPyramidBits(uint32_t fc, uint32_t cn, uint8_t *pyramidBits) {

	uint8_t pre[128];
	memset(pre, 0x00, sizeof(pre));

	// format start bit
	pre[79] = 1;
	
	// Get 26 wiegand from FacilityCode, CardNumber	
	uint8_t wiegand[24];
	memset(wiegand, 0x00, sizeof(wiegand));
	num_to_bytebits(fc, 8, wiegand);
	num_to_bytebits(cn, 16, wiegand+8);

	// add wiegand parity bits (dest, source, len)
	wiegand_add_parity(pre+80, wiegand, 24);
	
	// add paritybits	(bitsource, dest, sourcelen, paritylen, parityType (odd, even,)
	addParity(pre+8, pyramidBits+8, 102, 8, 1);

	// add checksum		
	uint8_t csBuff[13];
	for (uint8_t i = 0; i < 13; i++)
		csBuff[i] = bytebits_to_byte(pyramidBits + 16 + (i*8), 8);

	uint32_t crc = CRC8Maxim(csBuff, 13);
	num_to_bytebits(crc, 8, pyramidBits+120);
	return 1;
}

int CmdPyramidRead(const char *Cmd) {
	CmdLFRead("s");
	getSamples("30000",false);
	return CmdFSKdemodPyramid("");
}

int CmdPyramidClone(const char *Cmd) {

	char cmdp = param_getchar(Cmd, 0);
	if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_pyramid_clone();

	uint32_t facilitycode=0, cardnumber=0, fc = 0, cn = 0;
	uint32_t blocks[5];
	uint8_t i;
	uint8_t bs[128];
	memset(bs, 0x00, sizeof(bs));

	if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_pyramid_clone();

	facilitycode = (fc & 0x000000FF);
	cardnumber = (cn & 0x0000FFFF);
	
	if ( !GetPyramidBits(facilitycode, cardnumber, bs)) {
		PrintAndLog("Error with tag bitstream generation.");
		return 1;
	}

	//Pyramid - compat mode, FSK2a, data rate 50, 4 data blocks
	blocks[0] = T55x7_MODULATION_FSK2a | T55x7_BITRATE_RF_50 | 4<<T55x7_MAXBLOCK_SHIFT;

	if (param_getchar(Cmd, 3) == 'Q' || param_getchar(Cmd, 3) == 'q')
		blocks[0] = T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | 50<<T5555_BITRATE_SHIFT | 4<<T5555_MAXBLOCK_SHIFT;

	blocks[1] = bytebits_to_byte(bs,32);
	blocks[2] = bytebits_to_byte(bs+32,32);
	blocks[3] = bytebits_to_byte(bs+64,32);
	blocks[4] = bytebits_to_byte(bs+96,32);

	PrintAndLog("Preparing to clone Farpointe/Pyramid to T55x7 with Facility Code: %u, Card Number: %u", facilitycode, cardnumber);
	PrintAndLog("Blk | Data ");
	PrintAndLog("----+------------");
	for ( i = 0; i<5; ++i )
		PrintAndLog(" %02d | %08" PRIx32, i, blocks[i]);

	UsbCommand resp;
	UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};

	for ( i = 0; i<5; ++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 CmdPyramidSim(const char *Cmd) {

	char cmdp = param_getchar(Cmd, 0);
	if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_pyramid_sim();

	uint32_t facilitycode = 0, cardnumber = 0, fc = 0, cn = 0;

	uint8_t bs[128];
	size_t size = sizeof(bs);
	memset(bs, 0x00, size);

	// Pyramid uses:  fcHigh: 10, fcLow: 8, clk: 50, invert: 0
	uint64_t arg1, arg2;
	arg1 = (10 << 8) + 8;
	arg2 = 50 | 0;

	if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_pyramid_sim();

	facilitycode = (fc & 0x000000FF);
	cardnumber = (cn & 0x0000FFFF);

	if ( !GetPyramidBits(facilitycode, cardnumber, bs)) {
		PrintAndLog("Error with tag bitstream generation.");
		return 1;
	}

	PrintAndLog("Simulating Farpointe/Pyramid - Facility Code: %u, CardNumber: %u", facilitycode, cardnumber );

	UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
	memcpy(c.d.asBytes, bs, size);
	clearCommandBuffer();
	SendCommand(&c);
	return 0;
}

static command_t CommandTable[] = {
	{"help",  CmdHelp,         1, "This help"},
	{"read",  CmdPyramidRead,  0, "Attempt to read and extract tag data"},
	{"clone", CmdPyramidClone, 0, "<Facility-Code> <Card Number>  clone pyramid tag"},
	{"sim",   CmdPyramidSim,   0, "<Facility-Code> <Card Number>  simulate pyramid tag"},
	{NULL, NULL, 0, NULL}
};

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

int CmdHelp(const char *Cmd) {
	CmdsHelp(CommandTable);
	return 0;
}
Commit	Line	Data
6923d3f1	1	//-----------------------------------------------------------------------------
	2	//
	3	// This code is licensed to you under the terms of the GNU GPL, version 2 or,
	4	// at your option, any later version. See the LICENSE.txt file for the text of
	5	// the license.
	6	//-----------------------------------------------------------------------------
	7	// Low frequency Farpoint / Pyramid tag commands
	8	//-----------------------------------------------------------------------------
	9	#include <string.h>
	10	#include <inttypes.h>
acf0582d	11	#include <stdio.h>
6923d3f1	12	#include "cmdlfpyramid.h"
29ada8fc	13	#include "proxmark3.h"
	14	#include "ui.h"
	15	#include "util.h"
	16	#include "graph.h"
	17	#include "cmdparser.h"
	18	#include "cmddata.h"
	19	#include "cmdmain.h"
	20	#include "cmdlf.h"
	21	#include "protocols.h" // for T55xx config register definitions
	22	#include "lfdemod.h" // parityTest
	23	#include "crc.h"
	24
6923d3f1	25	static int CmdHelp(const char *Cmd);
	26
	27	int usage_lf_pyramid_clone(void){
	28	PrintAndLog("clone a Farpointe/Pyramid tag to a T55x7 tag.");
	29	PrintAndLog("The facility-code is 8-bit and the card number is 16-bit. Larger values are truncated. ");
	30	PrintAndLog("Currently work only on 26bit");
	31	PrintAndLog("");
	32	PrintAndLog("Usage: lf pyramid clone <Facility-Code> <Card-Number>");
	33	PrintAndLog("Options :");
	34	PrintAndLog(" <Facility-Code> : 8-bit value facility code");
	35	PrintAndLog(" <Card Number> : 16-bit value card number");
29ada8fc	36	PrintAndLog(" Q5 : optional - clone to Q5 (T5555) instead of T55x7 chip");
6923d3f1	37	PrintAndLog("");
	38	PrintAndLog("Sample : lf pyramid clone 123 11223");
	39	return 0;
	40	}
	41
	42	int usage_lf_pyramid_sim(void) {
	43	PrintAndLog("Enables simulation of Farpointe/Pyramid card with specified card number.");
	44	PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
	45	PrintAndLog("The facility-code is 8-bit and the card number is 16-bit. Larger values are truncated.");
	46	PrintAndLog("Currently work only on 26bit");
	47	PrintAndLog("");
	48	PrintAndLog("Usage: lf pyramid sim <Card-Number>");
	49	PrintAndLog("Options :");
	50	PrintAndLog(" <Facility-Code> : 8-bit value facility code");
	51	PrintAndLog(" <Card Number> : 16-bit value card number");
	52	PrintAndLog("");
	53	PrintAndLog("Sample : lf pyramid sim 123 11223");
	54	return 0;
	55	}
	56
	57	// Works for 26bits.
	58	int GetPyramidBits(uint32_t fc, uint32_t cn, uint8_t *pyramidBits) {
	59
	60	uint8_t pre[128];
	61	memset(pre, 0x00, sizeof(pre));
	62
	63	// format start bit
	64	pre[79] = 1;
	65
	66	// Get 26 wiegand from FacilityCode, CardNumber
	67	uint8_t wiegand[24];
	68	memset(wiegand, 0x00, sizeof(wiegand));
	69	num_to_bytebits(fc, 8, wiegand);
	70	num_to_bytebits(cn, 16, wiegand+8);
	71
	72	// add wiegand parity bits (dest, source, len)
	73	wiegand_add_parity(pre+80, wiegand, 24);
	74
	75	// add paritybits (bitsource, dest, sourcelen, paritylen, parityType (odd, even,)
	76	addParity(pre+8, pyramidBits+8, 102, 8, 1);
	77
	78	// add checksum
	79	uint8_t csBuff[13];
	80	for (uint8_t i = 0; i < 13; i++)
	81	csBuff[i] = bytebits_to_byte(pyramidBits + 16 + (i*8), 8);
	82
	83	uint32_t crc = CRC8Maxim(csBuff, 13);
	84	num_to_bytebits(crc, 8, pyramidBits+120);
	85	return 1;
	86	}
	87
	88	int CmdPyramidRead(const char *Cmd) {
	89	CmdLFRead("s");
	90	getSamples("30000",false);
	91	return CmdFSKdemodPyramid("");
	92	}
	93
	94	int CmdPyramidClone(const char *Cmd) {
	95
	96	char cmdp = param_getchar(Cmd, 0);
	97	if (strlen(Cmd) == 0 \|\| cmdp == 'h' \|\| cmdp == 'H') return usage_lf_pyramid_clone();
	98
	99	uint32_t facilitycode=0, cardnumber=0, fc = 0, cn = 0;
	100	uint32_t blocks[5];
101	uint8_t i;
102	uint8_t bs[128];
103	memset(bs, 0x00, sizeof(bs));
104
105	if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_pyramid_clone();
106
107	facilitycode = (fc & 0x000000FF);
108	cardnumber = (cn & 0x0000FFFF);
109
110	if ( !GetPyramidBits(facilitycode, cardnumber, bs)) {
111	PrintAndLog("Error with tag bitstream generation.");
112	return 1;
29ada8fc	113	}
6923d3f1	114
	115	//Pyramid - compat mode, FSK2a, data rate 50, 4 data blocks
	116	blocks[0] = T55x7_MODULATION_FSK2a \| T55x7_BITRATE_RF_50 \| 4<<T55x7_MAXBLOCK_SHIFT;
29ada8fc	117
	118	if (param_getchar(Cmd, 3) == 'Q' \|\| param_getchar(Cmd, 3) == 'q')
	119	blocks[0] = T5555_MODULATION_FSK2 \| T5555_INVERT_OUTPUT \| 50<<T5555_BITRATE_SHIFT \| 4<<T5555_MAXBLOCK_SHIFT;
	120
6923d3f1	121	blocks[1] = bytebits_to_byte(bs,32);
	122	blocks[2] = bytebits_to_byte(bs+32,32);
	123	blocks[3] = bytebits_to_byte(bs+64,32);
	124	blocks[4] = bytebits_to_byte(bs+96,32);
	125
	126	PrintAndLog("Preparing to clone Farpointe/Pyramid to T55x7 with Facility Code: %u, Card Number: %u", facilitycode, cardnumber);
	127	PrintAndLog("Blk \| Data ");
	128	PrintAndLog("----+------------");
	129	for ( i = 0; i<5; ++i )
	130	PrintAndLog(" %02d \| %08" PRIx32, i, blocks[i]);
	131
	132	UsbCommand resp;
	133	UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
	134
	135	for ( i = 0; i<5; ++i ) {
	136	c.arg[0] = blocks[i];
	137	c.arg[1] = i;
	138	clearCommandBuffer();
	139	SendCommand(&c);
	140	if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
	141	PrintAndLog("Error occurred, device did not respond during write operation.");
	142	return -1;
	143	}
	144	}
29ada8fc	145	return 0;
6923d3f1	146	}
	147
	148	int CmdPyramidSim(const char *Cmd) {
	149
	150	char cmdp = param_getchar(Cmd, 0);
	151	if (strlen(Cmd) == 0 \|\| cmdp == 'h' \|\| cmdp == 'H') return usage_lf_pyramid_sim();
	152
	153	uint32_t facilitycode = 0, cardnumber = 0, fc = 0, cn = 0;
29ada8fc	154
6923d3f1	155	uint8_t bs[128];
	156	size_t size = sizeof(bs);
	157	memset(bs, 0x00, size);
29ada8fc	158
6923d3f1	159	// Pyramid uses: fcHigh: 10, fcLow: 8, clk: 50, invert: 0
	160	uint64_t arg1, arg2;
	161	arg1 = (10 << 8) + 8;
	162	arg2 = 50 \| 0;
	163
	164	if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_pyramid_sim();
	165
	166	facilitycode = (fc & 0x000000FF);
	167	cardnumber = (cn & 0x0000FFFF);
29ada8fc	168
6923d3f1	169	if ( !GetPyramidBits(facilitycode, cardnumber, bs)) {
	170	PrintAndLog("Error with tag bitstream generation.");
	171	return 1;
29ada8fc	172	}
6923d3f1	173
6923d3f1	174	PrintAndLog("Simulating Farpointe/Pyramid - Facility Code: %u, CardNumber: %u", facilitycode, cardnumber );
29ada8fc	175
6923d3f1	176	UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
	177	memcpy(c.d.asBytes, bs, size);
	178	clearCommandBuffer();
	179	SendCommand(&c);
	180	return 0;
	181	}
	182
	183	static command_t CommandTable[] = {
29ada8fc	184	{"help", CmdHelp, 1, "This help"},
	185	{"read", CmdPyramidRead, 0, "Attempt to read and extract tag data"},
	186	{"clone", CmdPyramidClone, 0, "<Facility-Code> <Card Number> clone pyramid tag"},
	187	{"sim", CmdPyramidSim, 0, "<Facility-Code> <Card Number> simulate pyramid tag"},
	188	{NULL, NULL, 0, NULL}
6923d3f1	189	};
	190
	191	int CmdLFPyramid(const char *Cmd) {
	192	clearCommandBuffer();
29ada8fc	193	CmdsParse(CommandTable, Cmd);
29ada8fc	194	return 0;
6923d3f1	195	}
	196
	197	int CmdHelp(const char *Cmd) {
29ada8fc	198	CmdsHelp(CommandTable);
29ada8fc	199	return 0;
6923d3f1	200	}