X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/7838f4beba79370f94c7a3de2cf34278f5d481c8..493bf760ecebb02c6914122050e80634e9b24cb5:/client/cmdlfawid.c

diff --git a/client/cmdlfawid.c b/client/cmdlfawid.c
index 5fdbf654..6349fec7 100644
--- a/client/cmdlfawid.c
+++ b/client/cmdlfawid.c
@@ -16,225 +16,251 @@
 #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 AWID26 compatible reader mode printing details of scanned AWID26 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 AWID26 card.");
-  PrintAndLog("");
-  PrintAndLog("Usage:  lf awid fskdemod ['1']");
-  PrintAndLog("  Options : ");
-  PrintAndLog("  1 : (optional) stop after reading a single card");
-  PrintAndLog("");
-  PrintAndLog("   sample : lf awid fskdemod");
-  PrintAndLog("          : lf awid fskdemod 1");
-  return 0;
+	PrintAndLog("Enables AWID26 compatible reader mode printing details of scanned AWID26 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 AWID26 card.");
+	PrintAndLog("");
+	PrintAndLog("Usage:  lf awid fskdemod ['1']");
+	PrintAndLog("Options :");
+	PrintAndLog("  1 : (optional) stop after reading a single card");
+	PrintAndLog("");
+	PrintAndLog("Samples : lf awid fskdemod");
+	PrintAndLog("          : lf awid fskdemod 1");
+	return 0;
 }
 
 int usage_lf_awid_sim(void) {
-  PrintAndLog("Enables simulation of AWID26 card with specified facility-code and card number.");
-  PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
-  PrintAndLog("Per AWID26 format, the facility-code is 8-bit and the card number is 16-bit.  Larger values are truncated.");
-  PrintAndLog("");
-  PrintAndLog("Usage:  lf awid sim <Facility-Code> <Card-Number>");
-  PrintAndLog("  Options : ");
-  PrintAndLog("  <Facility-Code> : 8-bit value representing the AWID facility code");
-  PrintAndLog("  <Card Number>   : 16-bit value representing the AWID card number");
-  PrintAndLog("");
-  PrintAndLog("   sample : lf awid sim 224 1337");
-  return 0;
+	PrintAndLog("Enables simulation of AWID26 card with specified facility-code and card number.");
+	PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
+	PrintAndLog("Per AWID26 format, the facility-code is 8-bit and the card number is 16-bit.  Larger values are truncated.");
+	PrintAndLog("");
+	PrintAndLog("Usage:  lf awid sim <Facility-Code> <Card-Number>");
+	PrintAndLog("Options :");
+	PrintAndLog("  <Facility-Code> :  8-bit value facility code");
+	PrintAndLog("  <Card Number>   : 16-bit value card number");
+	PrintAndLog("");
+	PrintAndLog("Sample : lf awid sim 224 1337");
+	return 0;
 }
 
 int usage_lf_awid_clone(void) {
-  PrintAndLog("Enables cloning of AWID26 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("Per AWID26 format, the facility-code is 8-bit and the card number is 16-bit.  Larger values are truncated.");
-  PrintAndLog("");
-  PrintAndLog("Usage:  lf awid clone <Facility-Code> <Card-Number>");
-  PrintAndLog("  Options : ");
-  PrintAndLog("  <Facility-Code> : 8-bit value representing the AWID facility code");
-  PrintAndLog("  <Card Number>   : 16-bit value representing the AWID card number");
-  PrintAndLog("");
-  PrintAndLog("   sample : lf awid clone 224 1337");
-  return 0;
+	PrintAndLog("Enables cloning of AWID26 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("Per AWID26 format, the facility-code is 8-bit and the card number is 16-bit.  Larger values are truncated.");
+	PrintAndLog("");
+	PrintAndLog("Usage:  lf awid 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 awid clone 224 1337");
+	return 0;
+}
+
+int usage_lf_awid_brute(void){
+	PrintAndLog("Enables bruteforce of AWID26 reader with specified facility-code.");
+	PrintAndLog("Per AWID26 format, the facility-code (FC) is 8-bit and the card number is 16-bit.");
+	PrintAndLog("This is a incremental attack against reader.");
+	PrintAndLog("");
+	PrintAndLog("Usage:  lf awid brute <Facility-Code>");
+	PrintAndLog("Options :");
+	PrintAndLog("  <Facility-Code> :  8-bit value facility code");
+	PrintAndLog("");
+	PrintAndLog("Sample  : lf awid brute 224");
+	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;   
 }
 
-int CmdAWIDDemodFSK(const char *Cmd)
-{
-  int findone=0;
-  if(Cmd[0]=='1') findone=1;
-  if (Cmd[0]=='h' || Cmd[0] == 'H') return usage_lf_awid_fskdemod();
-  UsbCommand c={CMD_AWID_DEMOD_FSK};
-  c.arg[0]=findone;
-  clearCommandBuffer();
-  SendCommand(&c);
-  return 0;   
+//refactored by marshmellow
+int getAWIDBits(uint32_t fc, uint32_t cn, uint8_t	*AWIDBits) {
+	uint8_t pre[66];
+	memset(pre, 0, sizeof(pre));
+	AWIDBits[7]=1;
+	num_to_bytebits(26, 8, pre);
+
+	uint8_t wiegand[24];
+	num_to_bytebits(fc, 8, wiegand);
+	num_to_bytebits(cn, 16, wiegand+8);
+
+	wiegand_add_parity(pre+8, wiegand, 24);
+	size_t bitLen = addParity(pre, AWIDBits+8, 66, 4, 1);
+
+	if (bitLen != 88) return 0;
+	return 1;
 }
 
-int getAWIDBits(unsigned int fc, unsigned int cn, uint8_t *AWIDBits)
-{
-  int i;
-  uint32_t fcode=(fc & 0x000000FF), cnum=(cn & 0x0000FFFF), uBits=0;
-  if (fcode != fc)
-    PrintAndLog("NOTE: Facility code truncated for AWID26 format (8-bit facility code)");
-  if (cnum!=cn)
-    PrintAndLog("NOTE: Card number was truncated for AWID26 format (16-bit card number)");
-
-  AWIDBits[0] = 0x01; // 6-bit Preamble with 2 parity bits
-  AWIDBits[1] = 0x1D; // First byte from card format (26-bit) plus parity bits
-  AWIDBits[2] = 0x80; // Set the next two bits as 0b10 to finish card format
-  uBits = (fcode<<4) + (cnum>>12);
-  if (!parityTest(uBits,12,0))
-    AWIDBits[2] |= (1<<5); // If not already even parity, set bit to make even
-  uBits = AWIDBits[2]>>5;
-  if (!parityTest(uBits, 3, 1))
-    AWIDBits[2] |= (1<<4);
-  uBits = fcode>>5; // first 3 bits of facility-code
-  AWIDBits[2] += (uBits<<1);
-  if (!parityTest(uBits, 3, 1))
-    AWIDBits[2]++; // Set parity bit to make odd parity
-  uBits = (fcode & 0x1C)>>2;
-  AWIDBits[3] = 0;
-  if (!parityTest(uBits,3,1))
-    AWIDBits[3] |= (1<<4);
-  AWIDBits[3] += (uBits<<5);
-  uBits = ((fcode & 0x3)<<1) + ((cnum & 0x8000)>>15); // Grab/shift 2 LSBs from facility code and add shifted MSB from cardnum
-  if (!parityTest(uBits,3,1))
-    AWIDBits[3]++; // Set LSB for parity
-  AWIDBits[3]+= (uBits<<1);
-  uBits = (cnum & 0x7000)>>12;
-  AWIDBits[4] = uBits<<5;
-  if (!parityTest(uBits,3,1))
-    AWIDBits[4] |= (1<<4);
-  uBits = (cnum & 0x0E00)>>9;
-  AWIDBits[4] += (uBits<<1);
-  if (!parityTest(uBits,3,1))
-    AWIDBits[4]++; // Set LSB for parity
-  uBits = (cnum & 0x1C0)>>6; // Next bits from card number
-  AWIDBits[5]=(uBits<<5);
-  if (!parityTest(uBits,3,1))
-    AWIDBits[5] |= (1<<4); // Set odd parity bit as needed
-  uBits = (cnum & 0x38)>>3;
-  AWIDBits[5]+= (uBits<<1);
-  if (!parityTest(uBits,3,1))
-    AWIDBits[5]++; // Set odd parity bit as needed
-  uBits = (cnum & 0x7); // Last three bits from card number!
-  AWIDBits[6] = (uBits<<5);
-  if (!parityTest(uBits,3,1))
-    AWIDBits[6] |= (1<<4);
-  uBits = (cnum & 0x0FFF);
-  if (!parityTest(uBits,12,1))
-    AWIDBits[6] |= (1<<3);
-  else
-    AWIDBits[6]++;
-  for (i = 7; i<12; i++)
-    AWIDBits[i]=0x11;
-  return 1;
+int CmdAWIDSim(const char *Cmd) {
+	uint32_t fcode = 0, cnum = 0, fc = 0, cn = 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
+  
+	if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_awid_sim();
+
+	fcode = (fc & 0x000000FF);
+	cnum = (cn & 0x0000FFFF);
+	
+	if (fc != fcode) PrintAndLog("Facility-Code (%u) truncated to 8-bits: %u", fc, fcode);
+	if (cn != cnum)  PrintAndLog("Card number (%u) truncated to 16-bits: %u", cn, cnum);
+	
+	PrintAndLog("Emulating AWID26 -- FC: %u; CN: %u\n", fcode, cnum);
+	PrintAndLog("Press pm3-button to abort simulation or run another command");
+	
+	if (!getAWIDBits(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 CmdAWIDSim(const char *Cmd)
-{
-  uint32_t fcode = 0, cnum = 0, fc=0, cn=0, i=0;
-  uint8_t *BS, BitStream[12];
-  uint64_t arg1 = (10<<8) + 8; // fcHigh = 10, fcLow = 8
-  uint64_t arg2 = 50; // clk RF/50 invert=0
-  BS = BitStream;
-  if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) {
-    return usage_lf_awid_sim();
-  }
-
-  fcode=(fc & 0x000000FF);
-  cnum=(cn & 0x0000FFFF);
-  if (fc!=fcode)
-    PrintAndLog("Facility-Code (%u) truncated to 8-bits: %u",fc,fcode);
-  if (cn!=cnum)
-    PrintAndLog("Card number (%u) truncated to 16-bits: %u",cn,cnum);
-  PrintAndLog("Emulating AWID26 -- FC: %u; CN: %u\n",fcode,cnum);
-  PrintAndLog("Press pm3-button to abort simulation or run another command");
-  // AWID uses: fcHigh: 10, fcLow: 8, clk: 50, invert: 0
-  if (getAWIDBits(fc, cn, BS)) {
-      PrintAndLog("Running 'lf simfsk c 50 H 10 L 8 d %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x'", 
-                                        BS[0],BS[1],BS[2],BS[3],BS[4],BS[5],BS[6],
-                                        BS[7],BS[8],BS[9],BS[10],BS[11]);
-    } else
-      PrintAndLog("Error with tag bitstream generation.");
-  UsbCommand c;
-  c.cmd = CMD_FSK_SIM_TAG;
-  c.arg[0] = arg1; // fcHigh<<8 + fcLow
-  c.arg[1] = arg2; // Inversion and clk setting
-  c.arg[2] = 96; // Bitstream length: 96-bits == 12 bytes
-  for (i=0; i < 96; i++)
-    c.d.asBytes[i] = (BS[i/8] & (1<<(7-(i%8))))?1:0;
-  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 bits[96];
+	uint8_t *bs=bits;
+	memset(bs,0,sizeof(bits));
+	
+	if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_awid_clone();
+
+	if (param_getchar(Cmd, 3) == 'Q' || param_getchar(Cmd, 3) == 'q')
+		blocks[0] = T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | 50<<T5555_BITRATE_SHIFT | 3<<T5555_MAXBLOCK_SHIFT;
+
+	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);
+	}
+	
+	if ( !getAWIDBits(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 AWID26 to T55x7 with FC: %u, CN: %u", 
+	    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 CmdAWIDClone(const char *Cmd)
-{
-clearCommandBuffer();
-  uint32_t fc=0,cn=0,blocks[4] = {0x00107060, 0, 0, 0x11111111}, i=0;
-  uint8_t BitStream[12];
-  uint8_t *BS=BitStream;
-	UsbCommand c, resp;
-
-  if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) {
-    return usage_lf_awid_clone();
-  }
-
-  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);
-  }
-  if (getAWIDBits(fc,cn,BS)) {
-    PrintAndLog("Preparing to clone AWID26 to T55x7 with FC: %u, CN: %u (Raw: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x)", 
-                  fc,cn, BS[0],BS[1],BS[2],BS[3],BS[4],BS[5],BS[6],BS[7],BS[8],BS[9],BS[10],BS[11]);
-    blocks[1] = (BS[0]<<24) + (BS[1]<<16) + (BS[2]<<8) + (BS[3]);
-    blocks[2] = (BS[4]<<24) + (BS[5]<<16) + (BS[6]<<8) + (BS[7]);
-    PrintAndLog("Block 0: 0x%08x", blocks[0]);
-    PrintAndLog("Block 1: 0x%08x", blocks[1]);
-    PrintAndLog("Block 2: 0x%08x", blocks[2]);
-    PrintAndLog("Block 3: 0x%08x", blocks[3]);
-    for (i=0; i<4; i++) {
-      c.cmd = CMD_T55XX_WRITE_BLOCK;
-      c.arg[0] = blocks[i];
-      c.arg[1] = i;
-      c.arg[2] = 0;
-      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){
+	
+	uint8_t fc = 0x00;
+	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) > 3 || strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_awid_brute();
+	
+  	fc =  param_get8(Cmd, 0);
+	if ( fc == 0) return usage_lf_awid_brute();
+	
+	PrintAndLog("Bruteforceing AWID26 Reader");
+	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(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> -- Clone AWID to T55x7 (tag must be in range of antenna)"},
-  {NULL, NULL, 0, NULL}
+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)
-{
-  CmdsParse(CommandTable, Cmd);
-  return 0;
+int CmdLFAWID(const char *Cmd) {
+	clearCommandBuffer();
+	CmdsParse(CommandTable, Cmd);
+	return 0;
 }
 
-int CmdHelp(const char *Cmd)
-{
-  CmdsHelp(CommandTable);
-  return 0;
+int CmdHelp(const char *Cmd) {
+	CmdsHelp(CommandTable);
+	return 0;
 }