ADD: first try to implement crc-16 for Legic Advant *not working yet* Can't verify it.

[proxmark3-svn] / client / cmdlfawid.c

diff --git a/client/cmdlfawid.c b/client/cmdlfawid.c
index 3b189efee5665494dd29e0f754da1aa1f6a81a17..d98dee4f9356f57a55c30e08fb12eb35f7a4b061 100644 (file)
--- a/client/cmdlfawid.c
+++ b/client/cmdlfawid.c
@@ -16,151 +16,106 @@
 #include "cmdparser.h"  // CmdsParse, CmdsHelp
 #include "cmdlfawid.h"  // AWID function declarations
 #include "lfdemod.h"    // parityTest
 #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 "cmdmain.h"

+#include "sleep.h"
+ 

 static int CmdHelp(const char *Cmd);
 
 int usage_lf_awid_fskdemod(void) {
 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) {
 }
 
 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 AWID facility code");
-  PrintAndLog("  <Card Number>   : 16-bit value 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 AWID facility code");
+       PrintAndLog("  <Card Number>   : 16-bit value AWID card number");
+       PrintAndLog("");
+       PrintAndLog("Sample : lf awid sim 224 1337");
+       return 0;

 }
 
 int usage_lf_awid_clone(void) {
 }
 
 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 AWID facility code");
-  PrintAndLog("  <Card Number>   : 16-bit value 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 AWID facility code");
+       PrintAndLog("  <Card Number>   : 16-bit value AWID 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 AWID facility code");
+       PrintAndLog("");
+       PrintAndLog("Sample  : lf awid brute 224");
+       return 0;

 }
 
 int CmdAWIDDemodFSK(const char *Cmd) {
 }
 
 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 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 getAWIDBits(unsigned int fc, unsigned int cn, uint8_t *AWIDBits)
-{
-       //int i;
-       uint32_t fcode = (fc & 0x000000FF);
-       uint32_t cnum = (cn & 0x0000FFFF);
-       uint32_t 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)");
+//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 pre[] = {0x01, 0x1D, 0x80, 0x00,0x00,0x00,0x00, 0x11, 0x11, 0x11, 0x11, 0x11};
-       memcpy(AWIDBits, pre , sizeof(pre));
-       
-       // 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
+       uint8_t wiegand[24];
+       num_to_bytebits(fc, 8, wiegand);
+       num_to_bytebits(cn, 16, wiegand+8);

 
 

-       // for (i = 7; i<12; i++)
-               // AWIDBits[i]=0x11;
-       
-       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]++;
-       
+       wiegand_add_parity(pre+8, wiegand, 24);
+       size_t bitLen = addParity(pre, AWIDBits+8, 66, 4, 1);
+
+       if (bitLen != 88) return 0;

        return 1;
 }
 
        return 1;
 }
 

-int CmdAWIDSim(const char *Cmd)
-{
-       uint32_t fcode = 0, cnum = 0, fc=0, cn=0, i=0;
-       uint8_t bits[12];
-       uint8_t *bs=bits;
+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 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();
        uint64_t arg2 = 50; // clk RF/50 invert=0
   
        if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_awid_sim();


@@ -168,8 +123,8 @@ int CmdAWIDSim(const char *Cmd)
        fcode = (fc & 0x000000FF);
        cnum = (cn & 0x0000FFFF);
        
        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);
+       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");
        
        PrintAndLog("Emulating AWID26 -- FC: %u; CN: %u\n", fcode, cnum);
        PrintAndLog("Press pm3-button to abort simulation or run another command");


@@ -179,30 +134,28 @@ int CmdAWIDSim(const char *Cmd)
                return 1;
        }
        // AWID uses: fcHigh: 10, fcLow: 8, clk: 50, invert: 0
                return 1;
        }
        // AWID uses: fcHigh: 10, fcLow: 8, clk: 50, invert: 0

-       PrintAndLog("Running 'lf simfsk c 50 H 10 L 8 d %s'", sprint_hex(bs, sizeof(bs)));
-  

        // arg1 --- fcHigh<<8 + fcLow
        // arg2 --- Inversion and clk setting
        // 96   --- Bitstream length: 96-bits == 12 bytes
        // arg1 --- fcHigh<<8 + fcLow
        // arg2 --- Inversion and clk setting
        // 96   --- Bitstream length: 96-bits == 12 bytes

-       UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, 96}};  
-
-       for (i=0; i < 96; i++)
-               c.d.asBytes[i] = (bs[i/8] & (1<<(7-(i%8)))) ? 1 : 0;
-
+       UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};  
+       memcpy(c.d.asBytes, bs, size);

        clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
 
        clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
 

-int CmdAWIDClone(const char *Cmd)
-{
-       uint32_t blocks[4] = {0x00107060, 0, 0, 0x11111111};
-       uint32_t fc=0, cn=0, i=0;
-       uint8_t bits[12];
+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;
        uint8_t *bs=bits;

+       memset(bs,0,sizeof(bits));

        
        if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_awid_clone();
 
        
        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 ((fc & 0xFF) != fc) {
                fc &= 0xFF;
                PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);


@@ -218,12 +171,12 @@ int CmdAWIDClone(const char *Cmd)
                return 1;
        }       
 
                return 1;
        }       
 

-       PrintAndLog("Preparing to clone AWID26 to T55x7 with FC: %u, CN: %u ", fc, cn);
-       PrintAndLog("Raw: %s", sprint_hex(bs, sizeof(bs)));
+       blocks[1] = bytebits_to_byte(bs,32);
+       blocks[2] = bytebits_to_byte(bs+32,32);
+       blocks[3] = bytebits_to_byte(bs+64,32);

 
 

-       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("Preparing to clone AWID26 to T55x7 with FC: %u, CN: %u", 
+           fc, cn);

        PrintAndLog("Blk | Data ");
        PrintAndLog("----+------------");
        PrintAndLog(" 00 | 0x%08x", blocks[0]);
        PrintAndLog("Blk | Data ");
        PrintAndLog("----+------------");
        PrintAndLog(" 00 | 0x%08x", blocks[0]);


@@ -234,7 +187,7 @@ int CmdAWIDClone(const char *Cmd)
        UsbCommand resp;
        UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
 
        UsbCommand resp;
        UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
 

-       for (i=0; i<4; i++) {
+       for (uint8_t i=0; i<4; i++) {

                c.arg[0] = blocks[i];
                c.arg[1] = i;
                clearCommandBuffer();
                c.arg[0] = blocks[i];
                c.arg[1] = i;
                clearCommandBuffer();


@@ -247,23 +200,67 @@ int CmdAWIDClone(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

-static command_t CommandTable[] = 
-{
+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"},
        {"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)"},
+       {"clone",     CmdAWIDClone,    0, "<Facility-Code> <Card Number> <Q5> -- Clone AWID to T55x7"},
+       {"brute",         CmdAWIDBrute,    0, "<Facility-Code> -- bruteforce card number"},

        {NULL, NULL, 0, NULL}
 };
 
        {NULL, NULL, 0, NULL}
 };
 

-int CmdLFAWID(const char *Cmd)
-{
+int CmdLFAWID(const char *Cmd) {
+       clearCommandBuffer();

        CmdsParse(CommandTable, Cmd);
        return 0;
 }
 
        CmdsParse(CommandTable, Cmd);
        return 0;
 }
 

-int CmdHelp(const char *Cmd)
-{
+int CmdHelp(const char *Cmd) {

        CmdsHelp(CommandTable);
        return 0;
 }
        CmdsHelp(CommandTable);
        return 0;
 }