/*

# Copyright 2016 Nikos Mavrogiannopoulos

#

# 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 <assert.h>

#include <stdint.h>

#include <gnutls/gnutls.h>

#include <gnutls/pkcs12.h>

#include "fuzzer.h"

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)

{

  gnutls_datum_t raw = { (unsigned char *)data, (unsigned int)size };

  gnutls_pkcs12_t p12;

  gnutls_x509_privkey_t key;

  gnutls_x509_crt_t *chain;

  gnutls_x509_crt_t *extras;

  gnutls_x509_crl_t crl;

  unsigned int chain_len = 0, extras_len = 0;

  int ret;

  raw.data = (unsigned char *)data;

  raw.size = size;

  ret = gnutls_pkcs12_init(&p12);

  assert(ret >= 0);

  ret = gnutls_pkcs12_import(p12, &raw, GNUTLS_X509_FMT_DER, 0);

  if (ret < 0) {

    goto cleanup;

  }

  /* catch crashes */

  gnutls_pkcs12_verify_mac(p12, "1234");

  ret = gnutls_pkcs12_simple_parse(p12, "1234", &key, &chain, &chain_len,

           &extras, &extras_len, &crl, 0);

  if (ret >= 0) {

    gnutls_x509_privkey_deinit(key);

    if (crl)

      gnutls_x509_crl_deinit(crl);

    if (extras_len > 0) {

      for (unsigned i = 0; i < extras_len; i++)

        gnutls_x509_crt_deinit(extras[i]);

      gnutls_free(extras);

    }

    if (chain_len > 0) {

      for (unsigned i = 0; i < chain_len; i++)

        gnutls_x509_crt_deinit(chain[i]);

      gnutls_free(chain);

    }

  }

cleanup:

  gnutls_pkcs12_deinit(p12);

  return 0;

}