/*

# Copyright 2017 Red Hat, Inc.

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

#      https://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

#

################################################################################

*/

#include <config.h>

#include <stdint.h>

#include <gnutls/gnutls.h>

#include "fuzzer.h"

static const uint8_t *g_data;

static size_t g_size;

#if !defined _WIN32 && defined HAVE_FMEMOPEN

#include <stdio.h>

#include <string.h>

#include <dlfcn.h>

FILE *fopen(const char *pathname, const char *mode)

{

  FILE *(*libc_fopen)(const char *, const char *) =

    (FILE * (*)(const char *, const char *))

      dlsym(RTLD_NEXT, "fopen");

  if (!strcmp(pathname, "ca_or_crl"))

    return fmemopen((void *)g_data, g_size, mode);

  return libc_fopen(pathname, mode);

}

#endif

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)

{

  g_data = data;

  g_size = size;

  gnutls_certificate_credentials_t creds;

  gnutls_certificate_allocate_credentials(&creds);

  gnutls_certificate_set_x509_trust_file(creds, "ca_or_crl",

                 GNUTLS_X509_FMT_PEM);

  gnutls_certificate_set_x509_crl_file(creds, "ca_or_crl",

               GNUTLS_X509_FMT_PEM);

  gnutls_certificate_free_credentials(creds);

  return 0;

}