execbss.c

/* execbss.c - Tests whether code in the .bss segment can be executed
 *
 * Copyright (c)2003 by Peter Busser <peter@adamantix.org>
 * This file has been released under the GNU Public Licence version 2 or later
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "body.h"
#include "shellcode.h"

const char testname[] = "Executable bss                           ";

char buf[MAX_SHELLCODE_LEN];

void doit( void )
{
      fptr func;

      copy_shellcode(buf, SHELLCODE_RETURN);

      /* Convert the pointer to a function pointer */
      func = (fptr)&buf;

      /* Call the code in the buffer */
      func();

      /* It worked when the function returns */
      itworked();
}