minor code clean up

[proxmark3-svn] / client / cmdlfawid26.c

diff --git a/client/cmdlfawid26.c b/client/cmdlfawid26.c
index 63b35fdde6f82b92dfaa5ae38e5b53ef682dd9ea..48e599dbc10009536370cfadaaa8805c73b70871 100644 (file)
--- a/client/cmdlfawid26.c
+++ b/client/cmdlfawid26.c
@@ -10,16 +10,17 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
+#include <stdbool.h>
 #include "proxmark3.h"
 #include "ui.h"
-#include "graph.h"
+//#include "graph.h"
 #include "cmdmain.h"
 #include "cmdparser.h"
-#include "cmddata.h"
+//#include "cmddata.h"
 #include "cmdlf.h"
 #include "cmdlfawid26.h"
 #include "util.h"
-#include "data.h"
+//#include "data.h"
 
 
 static int CmdHelp(const char *Cmd);
@@ -29,11 +30,10 @@ int CmdClone(const char *Cmd)
        char cmdp = param_getchar(Cmd, 0);
 
        if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
-               PrintAndLog("Usage:  lf awid26 write  []");
+               PrintAndLog("Usage:  lf awid26 clone  <facility> <id>");
                PrintAndLog("     [], ");
                PrintAndLog("");
-               PrintAndLog("     sample: lf awid26 write 26 2233");
-               PrintAndLog("           : lf awid26 write 26 15 2233");
+               PrintAndLog("     sample: lf awid26 clone 15 2233");
                return 0;
        }
 
@@ -44,12 +44,118 @@ int CmdClone(const char *Cmd)
        // char block2 = "00107060";  
        // char block3 = "00107060";  
 
+       unsigned char buf[10] = {0x00};
+       unsigned char *resp = buf;
        
        
+       awid26_hex_to_uid(resp, "");
        // PrintAndLog("Writing block %d with data %08X", Block, Data);
        return 0;
 }
 
+
+// convert 96 bit AWID FSK data to 8 digit BCD UID
+bool awid26_hex_to_uid(unsigned char *response, char *awid26)
+{
+       //uint8_t i, tmp[96], tmp1[7];
+       //uint8_t tmp[96] = {0x00};
+    //int site;
+    //int id;
+       
+    //if(!hextobinarray(tmp, awid26))
+        return false;
+
+    // // data is in blocks of 4 bits - every 4th bit is parity, except the first
+    // // block which is all zeros
+    // for(i= 0 ; i < 4 ; ++i)
+        // if(tmp[i] != 0x00)
+            // return false;
+
+    // // discard 1st block
+    // memcpy(tmp, tmp + 4, 92);
+
+    // // check and strip parity on the rest
+    // for(i= 1 ; i < 23 ; ++i)
+        // if(tmp[(i * 4) - 1] != GetParity(tmp + (i - 1) * 4, ODD, 3))
+            // return false;
+        // else
+            // memcpy((tmp + (i - 1) * 3), tmp + (i - 1) * 4, 3);
+
+    // // discard the rest of the header - 1 more 3 bit block
+    // memcpy(tmp, tmp + 3, 66);
+
+    // // next 8 bits is data length - should be 26: 0x1A
+    // binarraytohex(tmp1, tmp, 8);
+    // if(strcmp(tmp1, "1A") != 0)
+        // return false;
+    // memcpy(tmp, tmp +8, 58);
+
+    // // standard wiegand parity check - even for 1st 12 bits, odd for 2nd 12
+    // if(tmp[0] != GetParity(tmp + 1, EVEN, 12))
+        // return false;
+    // if(tmp[25] != GetParity(tmp + 13, ODD, 12))
+        // return false;
+
+    // // convert to hex, ignoring parity bits
+    // if(!binarraytohex(tmp1, tmp + 1, 24))
+        // return false;
+
+    // // convert hex to site/id
+    // sscanf(tmp1,"%2X%4X", &site, &id);
+
+    // // final output 8 byte BCD
+    // sprintf(response,"%03d%05d", site, id);
+
+    return true;
+}
+
+// convert null-terminated BCD UID (8 digits) to 96 bit awid26 encoded binary array
+bool bcd_to_awid26_bin(unsigned char *awid26, unsigned char *bcd)
+{
+    // char i, p, tmp1[8], tmp2[26];
+    // int tmpint;
+
+    // if(strlen(bcd) != 8)
+        // return false;
+
+    // // convert BCD site code to HEX
+    // sscanf(bcd, "%03d", &tmpint);
+    // sprintf(tmp2, "%02x", tmpint);
+    // memcpy(tmp1, tmp2, 2);
+
+    // // convert BCD ID to HEX
+    // sscanf(bcd + 3, "%05d", &tmpint);;
+    // sprintf(tmp2, "%04x", tmpint);
+       
+    // // copy with trailing NULL
+    // memcpy(tmp1 + 2, tmp2, 5);
+
+    // // convert full HEX to binary, leaving room for parity prefix
+    // hextobinarray(tmp2 + 1, tmp1);
+    
+    // wiegand_add_parity(tmp2, tmp2 + 1, 24);
+
+    // memset(awid26, '\x0', 96);
+
+    // // magic 18 bit awid26 header (we will overwrite the last two bits)
+    // hextobinarray(awid26, "011D8");
+
+    // // copy to target leaving space for parity bits
+    // for(i= 0, p= 18 ; i < 26 ; ++i, ++p)
+    // {
+        // // skip target bit if this is a parity location
+        // if(!((p + 1) % 4))
+            // p += 1;
+        // awid26[p]= tmp2[i];
+    // }
+
+    // // add parity bits
+    // for(i= 1 ; i < 24 ; ++i)
+        // awid26[((i + 1) * 4) - 1]= GetParity(&awid26[i * 4], ODD, 3);
+
+    return false;
+}
+
 // int CmdReadTrace(const char *Cmd)
 // {
 
@@ -84,8 +190,8 @@ int CmdClone(const char *Cmd)
 
 static command_t CommandTable[] =
 {
-  {"help",   CmdHelp,        1, "This help"},
-  {"clone",  CmdClone,    0, "<facility> <id> -- clone to a t55xx tag"},
+  {"help",   CmdHelp,     1, "This help"},
+  {"clone",  CmdClone,    1, "<facility> <id> -- clone AWID26 to t55xx tag"},
   {NULL, NULL, 0, NULL}
 };