openpgp-ffi/examples/use-after-free-demo.c


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#define _GNU_SOURCE
#include <errno.h>
#include <error.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>

#include <sequoia/openpgp.h>

int
main (int argc, char **argv)
{
  // Let's make a KeyID!
  pgp_keyid_t keyid = pgp_keyid_from_hex ("BBBBBBBBBBBBBBBB");
  printf ("%s", pgp_keyid_to_string (keyid));

  // Always clean up after you played.
  pgp_keyid_free (keyid);

  // Let's violate The Rules and use the stale reference!
  printf ("%s", pgp_keyid_to_string (keyid));

  return 0;
}