FIX: 'hf 14a reader' - when card SAK was 0x00, it calls GetHF14AMfU_Type() to try...

[proxmark3-svn] / client / cmdlfawid.c

diff --git a/client/cmdlfawid.c b/client/cmdlfawid.c
index 8e6e407314388635bab65019828412203864d710..8b04a3d6b109ace53e016a6a8ad530f57367916a 100644 (file)
--- a/client/cmdlfawid.c
+++ b/client/cmdlfawid.c
@@ -36,7 +36,7 @@ int usage_lf_awid_sim(void) {
        PrintAndLog("Usage:  lf awid sim [h] <format> <facility-code> <card-number>");
        PrintAndLog("Options:");
        PrintAndLog("                h :  This help");  
-       PrintAndLog("         <format> :  format length 26|50");
+       PrintAndLog("         <format> :  format length 26|34|37|50");
        PrintAndLog("  <facility-code> :  8|16bit value facility code");
        PrintAndLog("    <card number> :  16|32-bit value card number");
        PrintAndLog("");
@@ -53,7 +53,7 @@ int usage_lf_awid_clone(void) {
        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("         <format> :  format length 26|34|37|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");
@@ -126,6 +126,12 @@ int CmdAWIDDemodFSK(const char *Cmd) {
        return 0;   
 }
 
+int CmdAWIDRead(const char *Cmd) {
+       CmdLFRead("s");
+       getSamples("12000", TRUE);
+       return CmdFSKdemodAWID(Cmd);
+}
+
 //refactored by marshmellow
 int getAWIDBits(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint8_t *bits) {
 
@@ -139,16 +145,35 @@ int getAWIDBits(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint8_t *bits) {
        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));
+       switch (fmtlen) {
+               case 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));
+                       break;
+               }
+               case 34:{
+                       uint8_t wiegand[32];
+                       num_to_bytebits(fc, 8, wiegand);
+                       num_to_bytebits(cn, 24, wiegand+8);
+                       wiegand_add_parity(pre+8, wiegand,  sizeof(wiegand));
+                       break;
+               }
+               case 37:{
+                       uint8_t wiegand[31];
+                       num_to_bytebits(fc, 13, wiegand);
+                       num_to_bytebits(cn, 18, wiegand+13);
+                       wiegand_add_parity(pre+8, wiegand,  sizeof(wiegand));
+                       break;
+               }
+               case 50: {
+                       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));
+                       break;
+               }
        }
        
        // add AWID 4bit parity 
@@ -158,6 +183,49 @@ int getAWIDBits(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint8_t *bits) {
        return 1;
 }
 
+static void verify_values(uint8_t *fmtlen, uint32_t *fc, uint32_t *cn){
+       switch (*fmtlen) {
+               case 50:
+                       if ((*fc & 0xFFFF) != *fc) {
+                               *fc &= 0xFFFF;
+                               PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", *fc);
+                       }
+                       break;
+               case 37:
+                       if ((*fc & 0x1FFF) != *fc) {
+                               *fc &= 0x1FFF;
+                               PrintAndLog("Facility-Code Truncated to 13-bits (AWID37): %u", *fc);
+                       }
+                       if ((*cn & 0x3FFFF) != *cn) {
+                               *cn &= 0x3FFFF;
+                               PrintAndLog("Card Number Truncated to 18-bits (AWID37): %u", *cn);
+                       }                       
+                       break;
+               case 34:
+                       if ((*fc & 0xFF) != *fc) {
+                               *fc &= 0xFF;
+                               PrintAndLog("Facility-Code Truncated to 8-bits (AWID34): %u", *fc);
+                       }
+                       if ((*cn & 0xFFFFFF) != *cn) {
+                               *cn &= 0xFFFFFF;
+                               PrintAndLog("Card Number Truncated to 24-bits (AWID34): %u", *cn);
+                       }
+                       break;
+               case 26:
+               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;
+       }
+}
+
 int CmdAWIDSim(const char *Cmd) {
        uint32_t fc = 0, cn = 0;
        uint8_t fmtlen = 0;
@@ -177,26 +245,7 @@ int CmdAWIDSim(const char *Cmd) {
        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;
-       }
+       verify_values(&fmtlen, &fc, &cn);
        
        PrintAndLog("Emulating AWID %u -- FC: %u; CN: %u\n", fmtlen, fc, cn);
        PrintAndLog("Press pm3-button to abort simulation or run another command");
@@ -233,31 +282,12 @@ int CmdAWIDClone(const char *Cmd) {
 
        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;
 
+       verify_values(&fmtlen, &fc, &cn);
+               
        if ( !getAWIDBits(fmtlen, fc, cn, bs)) {
                PrintAndLog("Error with tag bitstream generation.");
                return 1;
@@ -389,6 +419,7 @@ int CmdAWIDBrute(const char *Cmd){
 static command_t CommandTable[] = {
        {"help",      CmdHelp,         1, "This help"},
        {"fskdemod",  CmdAWIDDemodFSK, 0, "Realtime AWID FSK demodulator"},
+       {"read",      CmdAWIDRead,     0, "Attempt to read and extract tag data"},
        {"sim",       CmdAWIDSim,      0, "AWID tag simulator"},
        {"clone",     CmdAWIDClone,    0, "Clone AWID to T55x7"},
        {"brute",         CmdAWIDBrute,    0, "Bruteforce card number against reader"},