xref: /openssl/test/x509_req_test.c (revision a9064366)
1 /*
2  * Copyright 2024 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #include <openssl/pem.h>
11 #include <openssl/x509.h>
12 
13 #include "testutil.h"
14 
15 static char *certsDir = NULL;
16 
17 /*
18  * Test for the missing X509 version check discussed in issue #5738 and
19  * added in PR #24677.
20  * This test tries to verify a malformed CSR with the X509 version set
21  * version 6, instead of 1. As this request is malformed, even its
22  * signature is valid, the verification must fail.
23  */
test_x509_req_detect_invalid_version(void)24 static int test_x509_req_detect_invalid_version(void)
25 {
26     char *certFilePath;
27     BIO *bio = NULL;
28     EVP_PKEY *pkey = NULL;
29     X509_REQ *req = NULL;
30     int ret = 0;
31 
32     certFilePath = test_mk_file_path(certsDir, "x509-req-detect-invalid-version.pem");
33     if (certFilePath == NULL)
34         goto err;
35     if (!TEST_ptr(bio = BIO_new_file(certFilePath, "r")))
36         goto err;
37     req = PEM_read_bio_X509_REQ(bio, NULL, 0, NULL);
38     if (req == NULL) {
39         ret = 1; /* success, reading PEM with invalid CSR data is allowed to fail. */
40         goto err;
41     }
42     if (!TEST_ptr(pkey = X509_REQ_get_pubkey(req)))
43         goto err;
44     /* Verification MUST fail at this point. ret != 1. */
45     if (!TEST_int_ne(X509_REQ_verify(req, pkey), 1))
46         goto err;
47     ret = 1; /* success */
48 err:
49     EVP_PKEY_free(pkey);
50     X509_REQ_free(req);
51     BIO_free(bio);
52     OPENSSL_free(certFilePath);
53     return ret;
54 }
55 
56 OPT_TEST_DECLARE_USAGE("certdir\n")
57 
setup_tests(void)58 int setup_tests(void)
59 {
60     if (!test_skip_common_options()) {
61         TEST_error("Error parsing test options\n");
62         return 0;
63     }
64     if (!TEST_ptr(certsDir = test_get_argument(0)))
65         return 0;
66 
67     ADD_TEST(test_x509_req_detect_invalid_version);
68     return 1;
69 }
70 
cleanup_tests(void)71 void cleanup_tests(void)
72 {
73 }
74