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/*
* Copyright 2026 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 <limits.h>
#include <openssl/bio.h>
#include <openssl/cms.h>
#include <openssl/err.h>
#include "fuzzer.h"
int FuzzerInitialize(int *argc, char ***argv)
{
return 1;
}
int FuzzerTestOneInput(const uint8_t *buf, size_t len)
{
BIO *indata = NULL;
BIO *out = NULL;
CMS_ContentInfo *cms = NULL;
const unsigned char *in;
size_t consumed;
size_t remaining;
if (len > LONG_MAX)
return 0;
in = buf;
cms = d2i_CMS_ContentInfo(NULL, &in, (long)len);
if (cms == NULL)
goto err;
consumed = (size_t)(in - buf);
remaining = len - consumed;
if (remaining > INT_MAX)
goto err;
if (consumed < len) {
indata = BIO_new_mem_buf(in, (int)remaining);
if (indata == NULL)
goto err;
}
out = BIO_new(BIO_s_null());
if (out == NULL)
goto err;
CMS_verify(cms, NULL, NULL, indata, out,
CMS_NO_SIGNER_CERT_VERIFY);
err:
BIO_free(out);
CMS_ContentInfo_free(cms);
BIO_free(indata);
ERR_clear_error();
return 0;
}
void FuzzerCleanup(void)
{
}
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