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 <openssl/rand.h> 15 #include "fuzzer.h" 16 17 #include "rand.inc" 18 19 int FuzzerInitialize(int *argc, char ***argv) 20 { 21 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); 22 ERR_get_state(); 23 CRYPTO_free_ex_index(0, -1); 24 FuzzerSetRand(); 25 return 1; 26 } 27 28 int FuzzerTestOneInput(const uint8_t *buf, size_t len) 29 { 30 const unsigned char *p = buf; 31 unsigned char *der = NULL; 32 33 X509 *x509 = d2i_X509(NULL, &p, len); 34 if (x509 != NULL) { 35 BIO *bio = BIO_new(BIO_s_null()); 36 /* This will load and print the public key as well as extensions */ 37 X509_print(bio, x509); 38 BIO_free(bio); 39 40 i2d_X509(x509, &der); 41 OPENSSL_free(der); 42 43 X509_free(x509); 44 } 45 ERR_clear_error(); 46 return 0; 47 } 48 49 void FuzzerCleanup(void) 50 { 51 } 52