SUGGESTED FIX:

[proxmark3-svn] / client / cmdhf14b.c

diff --git a/client/cmdhf14b.c b/client/cmdhf14b.c
index 7e4cbd009787452bf77f1f4a5e70c536f2634d32..ea07b894ab9afc5933013a19acf72921c688f4d6 100644 (file)
--- a/client/cmdhf14b.c
+++ b/client/cmdhf14b.c
@@ -23,7 +23,6 @@
 #include "cmdhf14b.h"
 #include "cmdmain.h"
 
-
 static int CmdHelp(const char *Cmd);
 
 int CmdHF14BDemod(const char *Cmd)
@@ -146,7 +145,7 @@ demodError:
 
 int CmdHF14BList(const char *Cmd)
 {
-  uint8_t got[960];
+  uint8_t got[TRACE_BUFFER_SIZE];
   GetFromBigBuf(got,sizeof(got),0);
   WaitForResponse(CMD_ACK,NULL);
 
@@ -158,9 +157,8 @@ int CmdHF14BList(const char *Cmd)
   int prev = -1;
 
   for(;;) {
-    if(i >= 900) {
-      break;
-    }
+    
+       if(i >= TRACE_BUFFER_SIZE) { break; }
 
     bool isResponse;
     int timestamp = *((uint32_t *)(got+i));
@@ -177,7 +175,7 @@ int CmdHF14BList(const char *Cmd)
     if(len > 100) {
       break;
     }
-    if(i + len >= 900) {
+    if(i + len >= TRACE_BUFFER_SIZE) {
       break;
     }
 
@@ -282,7 +280,7 @@ int CmdHF14BCmdRaw (const char *cmd) {
     uint8_t power=0;
     char buf[5]="";
     int i=0;
-    uint8_t data[100];
+    uint8_t data[100] = {0x00};
     unsigned int datalen=0, temp;
     char *hexout;
     
@@ -336,7 +334,7 @@ int CmdHF14BCmdRaw (const char *cmd) {
             continue;
         }
         PrintAndLog("Invalid char on input");
-        return 0;
+        return 1;
     }
     if (datalen == 0)
     {
@@ -406,20 +404,27 @@ int CmdHF14BWrite( const char *Cmd){
        bool isSrix4k = true;
        char str[20];   
 
-       if (cmdp == 'h' || cmdp == 'H') {
+       if (strlen(Cmd) < 1 || 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");
+               PrintAndLog("    [1 = SRIX4K]");
+               PrintAndLog("    [2 = SRI512]");
+               PrintAndLog("    [BLOCK number depends on tag, special block == FF]");
+               PrintAndLog("     sample: hf 14b write 1 7F 11223344");
+               PrintAndLog("           : hf 14b write 1 FF 11223344");
+               PrintAndLog("           : hf 14b write 2 15 11223344");
+               PrintAndLog("           : hf 14b write 2 FF 11223344");
                return 0;
        }
 
-       if ( param_getchar(Cmd, 0) == '2' )
+       if ( cmdp == '2' )
                isSrix4k = false;
        
-       blockno = param_get8(Cmd, 1);
+       //blockno = param_get8(Cmd, 1);
+       
+       if ( param_gethex(Cmd,1, &blockno, 2) ) {
+               PrintAndLog("Block number must include 2 HEX symbols");
+               return 0;
+       }
        
        if ( isSrix4k ){
                if ( blockno > 0x7f && blockno != 0xff ){
@@ -439,11 +444,12 @@ int CmdHF14BWrite( const char *Cmd){
        }
  
        if ( blockno == 0xff)
-               PrintAndLog("Writing to special block %02X [ %s]", blockno,  sprint_hex(data,4) );
+               PrintAndLog("[%s] Write special block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512" , blockno,  sprint_hex(data,4) );
        else
-               PrintAndLog("Writing to block %02X [ %s]", blockno,  sprint_hex(data,4) );
+               PrintAndLog("[%s] Write block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512", blockno,  sprint_hex(data,4) );
  
-       sprintf(str, "-c -p 09 %02x %02x%02x%02x%02x", blockno, data[0], data[1], data[2], data[3]);
+       sprintf(str, "-c 09 %02x %02x%02x%02x%02x", blockno, data[0], data[1], data[2], data[3]);
+
        CmdHF14BCmdRaw(str);
        return 0;
 }