git.zerfleddert.de Git - proxmark3-svn/blob - client/cmdcrc.c

   1 //-----------------------------------------------------------------------------
   2 // Copyright (C) 2015 iceman <iceman at iuse.se>
   3 //
   4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   5 // at your option, any later version. See the LICENSE.txt file for the text of
   6 // the license.
   7 //-----------------------------------------------------------------------------
   8 // CRC Calculations from the software reveng commands
   9 //-----------------------------------------------------------------------------
  10
  11 #include <stdio.h>
  12 #include <string.h>
  13 //#include <stdlib.h>
  14 //#include <ctype.h>
  15 #include "cmdmain.h"
  16 #include "cmdcrc.h"
  17 #include "reveng/reveng.h"
  18 #include "ui.h"
  19 #include "util.h"
  20
  21 #define MAX_ARGS 20
  22
  23 int split(char *str, char *arr[MAX_ARGS]){
  24     int beginIndex = 0;
  25     int endIndex;
  26     int maxWords = MAX_ARGS;
  27     int wordCnt = 0;
  28
  29     while(1){
  30         while(isspace(str[beginIndex])){
  31             ++beginIndex;
  32         }
  33         if(str[beginIndex] == '\0')
  34             break;
  35         endIndex = beginIndex;
  36         while (str[endIndex] && !isspace(str[endIndex])){
  37             ++endIndex;
  38         }
  39         int len = endIndex - beginIndex;
  40         char *tmp = calloc(len + 1, sizeof(char));
  41         memcpy(tmp, &str[beginIndex], len);
  42         arr[wordCnt++] = tmp;
  43         //PrintAndLog("cnt: %d, %s",wordCnt-1, arr[wordCnt-1]);
  44         beginIndex = endIndex;
  45         if (wordCnt == maxWords)
  46             break;
  47     }
  48     return wordCnt;
  49 }
  50
  51 int CmdCrc(const char *Cmd)
  52 {
  53         char name[] = {"reveng "};
  54         char Cmd2[50 + 7];
  55         memcpy(Cmd2, name, 7);
  56         memcpy(Cmd2 + 7, Cmd, 50);
  57         char *argv[MAX_ARGS];
  58         int argc = split(Cmd2, argv);
  59         //PrintAndLog("argc: %d, %s %s Cmd: %s",argc, argv[0], Cmd2, Cmd);
  60         reveng_main(argc, argv);
  61         for(int i = 0; i < argc; ++i){
  62                 //puts(arr[i]);
  63                 free(argv[i]);
  64         }
  65
  66         return 0;
  67 }
  68