CHG: generic code clean up. Removal of commented code.

[proxmark3-svn] / client / cmdhf14b.c

diff --git a/client/cmdhf14b.c b/client/cmdhf14b.c
index c42d54c585888e37aa0b6e2104464de3d67a18f4..7e4cbd009787452bf77f1f4a5e70c536f2634d32 100644 (file)
--- a/client/cmdhf14b.c
+++ b/client/cmdhf14b.c
@@ -14,15 +14,16 @@
 #include <string.h>
 #include <stdint.h>
 #include "iso14443crc.h"
-//#include "proxusb.h"
 #include "proxmark3.h"
 #include "data.h"
 #include "graph.h"
+#include "util.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "cmdhf14b.h"
 #include "cmdmain.h"
 
+
 static int CmdHelp(const char *Cmd);
 
 int CmdHF14BDemod(const char *Cmd)
@@ -387,6 +388,66 @@ int CmdHF14BCmdRaw (const char *cmd) {
     return 0;
 }
 
+int CmdHF14BWrite( const char *Cmd){
+
+/*
+ * For SRIX4K  blocks 00 - 7F
+ * hf 14b raw -c -p 09 $srix4kwblock $srix4kwdata
+ *
+ * For SR512  blocks 00 - 0F
+ * hf 14b raw -c -p 09 $sr512wblock $sr512wdata
+ * 
+ * Special block FF =  otp_lock_reg block.
+ * Data len 4 bytes-
+ */
+       char cmdp = param_getchar(Cmd, 0);
+       uint8_t blockno = -1;
+       uint8_t data[4] = {0x00};
+       bool isSrix4k = true;
+       char str[20];   
+
+       if (cmdp == 'h' || cmdp == 'H') {
+               PrintAndLog("Usage:  hf 14b write <1|2> <BLOCK> <DATA>");
+               PrintAndLog("");
+               PrintAndLog("     sample: hf 14b write 1 127 11223344");
+               PrintAndLog("     sample: hf 14b write 1 255 11223344");
+               PrintAndLog("     sample: hf 14b write 2 15 11223344");
+               PrintAndLog("     sample: hf 14b write 2 255 11223344");
+               return 0;
+       }
+
+       if ( param_getchar(Cmd, 0) == '2' )
+               isSrix4k = false;
+       
+       blockno = param_get8(Cmd, 1);
+       
+       if ( isSrix4k ){
+               if ( blockno > 0x7f && blockno != 0xff ){
+                       PrintAndLog("Block number out of range");
+                       return 0;
+               }               
+       } else {
+               if ( blockno > 0x0f && blockno != 0xff ){
+                       PrintAndLog("Block number out of range");
+                       return 0;
+               }               
+       }
+       
+       if (param_gethex(Cmd, 2, data, 8)) {
+               PrintAndLog("Data must include 8 HEX symbols");
+               return 0;
+       }
+ 
+       if ( blockno == 0xff)
+               PrintAndLog("Writing to special block %02X [ %s]", blockno,  sprint_hex(data,4) );
+       else
+               PrintAndLog("Writing to block %02X [ %s]", blockno,  sprint_hex(data,4) );
+ 
+       sprintf(str, "-c -p 09 %02x %02x%02x%02x%02x", blockno, data[0], data[1], data[2], data[3]);
+       CmdHF14BCmdRaw(str);
+       return 0;
+}
+
 static command_t CommandTable[] = 
 {
   {"help",        CmdHelp,        1, "This help"},
@@ -399,6 +460,7 @@ static command_t CommandTable[] =
   {"sri512read",  CmdSri512Read,  0, "Read contents of a SRI512 tag"},
   {"srix4kread",  CmdSrix4kRead,  0, "Read contents of a SRIX4K tag"},
   {"raw",         CmdHF14BCmdRaw, 0, "Send raw hex data to tag"},
+  {"write",       CmdHF14BWrite,  0, "Write data to a SRI512 | SRIX4K tag"},
   {NULL, NULL, 0, NULL}
 };