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/*
* Copyright 2022-2023 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 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.openssl.org/source/license.html
* or in the file LICENSE in the source distribution.
*/
#include <openssl/pem.h>
#include <openssl/err.h>
#include "fuzzer.h"
int FuzzerInitialize(int *argc, char ***argv)
{
OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
ERR_clear_error();
CRYPTO_free_ex_index(0, -1);
return 1;
}
int FuzzerTestOneInput(const uint8_t *buf, size_t len)
{
BIO *in;
char *name = NULL, *header = NULL;
unsigned char *data = NULL;
long outlen;
if (len <= 1)
return 0;
in = BIO_new(BIO_s_mem());
OPENSSL_assert((size_t)BIO_write(in, buf + 1, len - 1) == len - 1);
if (PEM_read_bio_ex(in, &name, &header, &data, &outlen, buf[0]) == 1) {
/* Try to read all the data we get to see if allocated properly. */
BIO_write(in, name, strlen(name));
BIO_write(in, header, strlen(header));
BIO_write(in, data, outlen);
}
if (buf[0] & PEM_FLAG_SECURE) {
OPENSSL_secure_free(name);
OPENSSL_secure_free(header);
OPENSSL_secure_free(data);
} else {
OPENSSL_free(name);
OPENSSL_free(header);
OPENSSL_free(data);
}
BIO_free(in);
ERR_clear_error();
return 0;
}
void FuzzerCleanup(void)
{
}
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