c/i.c

   1 // BruteForCer - A combination sequence generator
   2 // Harvie 2oo7
   3 /*
   4  * I hope, that this can show you that BF is the most suxing idea.
   5  * You can use GREP pipe, if you know part of password.
   6  * Brutforcing is the only way to be the real hacker. (Please don't pwn me ;)
   7  * More info? UTFS!
   8  */
   9
  10 #include <stdio.h>
  11
  12 void inc(char *comb, int i, int maxno) {
  13         if (comb[i] == -1) {
  14                 comb[i] = 0;
  15                 return;
  16         }
  17         comb[i] = (comb[i] + 1) % maxno;
  18         if (comb[i] == 0)
  19                 inc(comb, i + 1, maxno);
  20 }
  21
  22 int main() {
  23         int i, j;
  24         int minlen = 0;
  25         int maxlen = 10;        // Lenght of string
  26         // char full = 0; //0=Alphabet, 1=All possibilities
  27         // char alpha[] = "01";
  28         char alpha[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890 ";       // Alphabet
  29         int alphmax = sizeof(alpha) - 1;        // printf("%d\n",
  30         // alphmax);
  31
  32         char comb[maxlen];
  33         for (i = 0; i <= maxlen; i++) {
  34                 comb[i] = -1;
  35                 if (i < minlen)
  36                         comb[i] = 0;
  37         }
  38         while (comb[maxlen] == -1) {
  39                 for (i = maxlen - 1; i >= 0; i--)
  40                         if (comb[i] != -1)
  41                                 putchar(alpha[comb[i]]);
  42                 putchar('\n');
  43                 inc(comb, 0, alphmax);
  44         }
  45
  46         return 0;
  47 }