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/*
* Copyright 2024 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 can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/pem.h>
#include <openssl/x509.h>
#include "testutil.h"
static char *certsDir = NULL;
/*
* Test for the missing X509 version check discussed in issue #5738 and
* added in PR #24677.
* This test tries to verify a malformed CSR with the X509 version set
* version 6, instead of 1. As this request is malformed, even its
* signature is valid, the verification must fail.
*/
static int test_x509_req_detect_invalid_version(void)
{
char *certFilePath;
BIO *bio = NULL;
EVP_PKEY *pkey = NULL;
X509_REQ *req = NULL;
int ret = 0;
certFilePath = test_mk_file_path(certsDir, "x509-req-detect-invalid-version.pem");
if (certFilePath == NULL)
goto err;
if (!TEST_ptr(bio = BIO_new_file(certFilePath, "r")))
goto err;
req = PEM_read_bio_X509_REQ(bio, NULL, 0, NULL);
if (req == NULL) {
ret = 1; /* success, reading PEM with invalid CSR data is allowed to fail. */
goto err;
}
if (!TEST_ptr(pkey = X509_REQ_get_pubkey(req)))
goto err;
/* Verification MUST fail at this point. ret != 1. */
if (!TEST_int_ne(X509_REQ_verify(req, pkey), 1))
goto err;
ret = 1; /* success */
err:
EVP_PKEY_free(pkey);
X509_REQ_free(req);
BIO_free(bio);
OPENSSL_free(certFilePath);
return ret;
}
OPT_TEST_DECLARE_USAGE("certdir\n")
int setup_tests(void)
{
if (!test_skip_common_options()) {
TEST_error("Error parsing test options\n");
return 0;
}
if (!TEST_ptr(certsDir = test_get_argument(0)))
return 0;
ADD_TEST(test_x509_req_detect_invalid_version);
return 1;
}
void cleanup_tests(void)
{
}
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