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      1 /*
      2  * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
      3  *
      4  * Licensed under the OpenSSL licenses, (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  * https://www.openssl.org/source/license.html
      8  * or in the file LICENSE in the source distribution.
      9  */
     10 
     11 #include <openssl/x509.h>
     12 #include <openssl/bio.h>
     13 #include <openssl/err.h>
     14 #include "fuzzer.h"
     15 
     16 int FuzzerInitialize(int *argc, char ***argv)
     17 {
     18     OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
     19     ERR_get_state();
     20     CRYPTO_free_ex_index(0, -1);
     21     return 1;
     22 }
     23 
     24 int FuzzerTestOneInput(const uint8_t *buf, size_t len)
     25 {
     26     const unsigned char *p = buf;
     27     unsigned char *der = NULL;
     28 
     29     X509_CRL *crl = d2i_X509_CRL(NULL, &p, len);
     30     if (crl != NULL) {
     31         BIO *bio = BIO_new(BIO_s_null());
     32         X509_CRL_print(bio, crl);
     33         BIO_free(bio);
     34 
     35         i2d_X509_CRL(crl, &der);
     36         OPENSSL_free(der);
     37 
     38         X509_CRL_free(crl);
     39     }
     40     ERR_clear_error();
     41 
     42     return 0;
     43 }
     44 
     45 void FuzzerCleanup(void)
     46 {
     47 }
     48