CRL critical extension bugfix
[oweals/openssl.git] / test / crltest.c
1 /*
2  * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the OpenSSL license (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 <stdio.h>
11 #include "../e_os.h"
12 #include <string.h>
13 #include <openssl/bio.h>
14 #include <openssl/crypto.h>
15 #include <openssl/err.h>
16 #include <openssl/pem.h>
17 #include <openssl/x509.h>
18
19 #include "testutil.h"
20
21 static const char *kCRLTestRoot[] = {
22     "-----BEGIN CERTIFICATE-----\n",
23     "MIIDbzCCAlegAwIBAgIJAODri7v0dDUFMA0GCSqGSIb3DQEBCwUAME4xCzAJBgNV\n",
24     "BAYTAlVTMRMwEQYDVQQIDApDYWxpZm9ybmlhMRYwFAYDVQQHDA1Nb3VudGFpbiBW\n",
25     "aWV3MRIwEAYDVQQKDAlCb3JpbmdTU0wwHhcNMTYwOTI2MTUwNjI2WhcNMjYwOTI0\n",
26     "MTUwNjI2WjBOMQswCQYDVQQGEwJVUzETMBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQG\n",
27     "A1UEBwwNTW91bnRhaW4gVmlldzESMBAGA1UECgwJQm9yaW5nU1NMMIIBIjANBgkq\n",
28     "hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo16WiLWZuaymsD8n5SKPmxV1y6jjgr3B\n",
29     "S/dUBpbrzd1aeFzNlI8l2jfAnzUyp+I21RQ+nh/MhqjGElkTtK9xMn1Y+S9GMRh+\n",
30     "5R/Du0iCb1tCZIPY07Tgrb0KMNWe0v2QKVVruuYSgxIWodBfxlKO64Z8AJ5IbnWp\n",
31     "uRqO6rctN9qUoMlTIAB6dL4G0tDJ/PGFWOJYwOMEIX54bly2wgyYJVBKiRRt4f7n\n",
32     "8H922qmvPNA9idmX9G1VAtgV6x97XXi7ULORIQvn9lVQF6nTYDBJhyuPB+mLThbL\n",
33     "P2o9orxGx7aCtnnBZUIxUvHNOI0FaSaZH7Fi0xsZ/GkG2HZe7ImPJwIDAQABo1Aw\n",
34     "TjAdBgNVHQ4EFgQUWPt3N5cZ/CRvubbrkqfBnAqhq94wHwYDVR0jBBgwFoAUWPt3\n",
35     "N5cZ/CRvubbrkqfBnAqhq94wDAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQsFAAOC\n",
36     "AQEAORu6M0MOwXy+3VEBwNilfTxyqDfruQsc1jA4PT8Oe8zora1WxE1JB4q2FJOz\n",
37     "EAuM3H/NXvEnBuN+ITvKZAJUfm4NKX97qmjMJwLKWe1gVv+VQTr63aR7mgWJReQN\n",
38     "XdMztlVeZs2dppV6uEg3ia1X0G7LARxGpA9ETbMyCpb39XxlYuTClcbA5ftDN99B\n",
39     "3Xg9KNdd++Ew22O3HWRDvdDpTO/JkzQfzi3sYwUtzMEonENhczJhGf7bQMmvL/w5\n",
40     "24Wxj4Z7KzzWIHsNqE/RIs6RV3fcW61j/mRgW2XyoWnMVeBzvcJr9NXp4VQYmFPw\n",
41     "amd8GKMZQvP0ufGnUn7D7uartA==\n",
42     "-----END CERTIFICATE-----\n",
43     NULL
44 };
45
46 static const char *kCRLTestLeaf[] = {
47     "-----BEGIN CERTIFICATE-----\n",
48     "MIIDkDCCAnigAwIBAgICEAAwDQYJKoZIhvcNAQELBQAwTjELMAkGA1UEBhMCVVMx\n",
49     "EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxEjAQ\n",
50     "BgNVBAoMCUJvcmluZ1NTTDAeFw0xNjA5MjYxNTA4MzFaFw0xNzA5MjYxNTA4MzFa\n",
51     "MEsxCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxpZm9ybmlhMRIwEAYDVQQKDAlC\n",
52     "b3JpbmdTU0wxEzARBgNVBAMMCmJvcmluZy5zc2wwggEiMA0GCSqGSIb3DQEBAQUA\n",
53     "A4IBDwAwggEKAoIBAQDc5v1S1M0W+QWM+raWfO0LH8uvqEwuJQgODqMaGnSlWUx9\n",
54     "8iQcnWfjyPja3lWg9K62hSOFDuSyEkysKHDxijz5R93CfLcfnVXjWQDJe7EJTTDP\n",
55     "ozEvxN6RjAeYv7CF000euYr3QT5iyBjg76+bon1p0jHZBJeNPP1KqGYgyxp+hzpx\n",
56     "e0gZmTlGAXd8JQK4v8kpdYwD6PPifFL/jpmQpqOtQmH/6zcLjY4ojmqpEdBqIKIX\n",
57     "+saA29hMq0+NK3K+wgg31RU+cVWxu3tLOIiesETkeDgArjWRS1Vkzbi4v9SJxtNu\n",
58     "OZuAxWiynRJw3JwH/OFHYZIvQqz68ZBoj96cepjPAgMBAAGjezB5MAkGA1UdEwQC\n",
59     "MAAwLAYJYIZIAYb4QgENBB8WHU9wZW5TU0wgR2VuZXJhdGVkIENlcnRpZmljYXRl\n",
60     "MB0GA1UdDgQWBBTGn0OVVh/aoYt0bvEKG+PIERqnDzAfBgNVHSMEGDAWgBRY+3c3\n",
61     "lxn8JG+5tuuSp8GcCqGr3jANBgkqhkiG9w0BAQsFAAOCAQEAd2nM8gCQN2Dc8QJw\n",
62     "XSZXyuI3DBGGCHcay/3iXu0JvTC3EiQo8J6Djv7WLI0N5KH8mkm40u89fJAB2lLZ\n",
63     "ShuHVtcC182bOKnePgwp9CNwQ21p0rDEu/P3X46ZvFgdxx82E9xLa0tBB8PiPDWh\n",
64     "lV16jbaKTgX5AZqjnsyjR5o9/mbZVupZJXx5Syq+XA8qiJfstSYJs4KyKK9UOjql\n",
65     "ICkJVKpi2ahDBqX4MOH4SLfzVk8pqSpviS6yaA1RXqjpkxiN45WWaXDldVHMSkhC\n",
66     "5CNXsXi4b1nAntu89crwSLA3rEwzCWeYj+BX7e1T9rr3oJdwOU/2KQtW1js1yQUG\n",
67     "tjJMFw==\n",
68     "-----END CERTIFICATE-----\n",
69     NULL
70 };
71
72 static const char *kBasicCRL[] = {
73     "-----BEGIN X509 CRL-----\n",
74     "MIIBpzCBkAIBATANBgkqhkiG9w0BAQsFADBOMQswCQYDVQQGEwJVUzETMBEGA1UE\n",
75     "CAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzESMBAGA1UECgwJ\n",
76     "Qm9yaW5nU1NMFw0xNjA5MjYxNTEwNTVaFw0xNjEwMjYxNTEwNTVaoA4wDDAKBgNV\n",
77     "HRQEAwIBATANBgkqhkiG9w0BAQsFAAOCAQEAnrBKKgvd9x9zwK9rtUvVeFeJ7+LN\n",
78     "ZEAc+a5oxpPNEsJx6hXoApYEbzXMxuWBQoCs5iEBycSGudct21L+MVf27M38KrWo\n",
79     "eOkq0a2siqViQZO2Fb/SUFR0k9zb8xl86Zf65lgPplALun0bV/HT7MJcl04Tc4os\n",
80     "dsAReBs5nqTGNEd5AlC1iKHvQZkM//MD51DspKnDpsDiUVi54h9C1SpfZmX8H2Vv\n",
81     "diyu0fZ/bPAM3VAGawatf/SyWfBMyKpoPXEG39oAzmjjOj8en82psn7m474IGaho\n",
82     "/vBbhl1ms5qQiLYPjm4YELtnXQoFyC72tBjbdFd/ZE9k4CNKDbxFUXFbkw==\n",
83     "-----END X509 CRL-----\n",
84     NULL
85 };
86
87 static const char *kRevokedCRL[] = {
88     "-----BEGIN X509 CRL-----\n",
89     "MIIBvjCBpwIBATANBgkqhkiG9w0BAQsFADBOMQswCQYDVQQGEwJVUzETMBEGA1UE\n",
90     "CAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzESMBAGA1UECgwJ\n",
91     "Qm9yaW5nU1NMFw0xNjA5MjYxNTEyNDRaFw0xNjEwMjYxNTEyNDRaMBUwEwICEAAX\n",
92     "DTE2MDkyNjE1MTIyNlqgDjAMMAoGA1UdFAQDAgECMA0GCSqGSIb3DQEBCwUAA4IB\n",
93     "AQCUGaM4DcWzlQKrcZvI8TMeR8BpsvQeo5BoI/XZu2a8h//PyRyMwYeaOM+3zl0d\n",
94     "sjgCT8b3C1FPgT+P2Lkowv7rJ+FHJRNQkogr+RuqCSPTq65ha4WKlRGWkMFybzVH\n",
95     "NloxC+aU3lgp/NlX9yUtfqYmJek1CDrOOGPrAEAwj1l/BUeYKNGqfBWYJQtPJu+5\n",
96     "OaSvIYGpETCZJscUWODmLEb/O3DM438vLvxonwGqXqS0KX37+CHpUlyhnSovxXxp\n",
97     "Pz4aF+L7OtczxL0GYtD2fR9B7TDMqsNmHXgQrixvvOY7MUdLGbd4RfJL3yA53hyO\n",
98     "xzfKY2TzxLiOmctG0hXFkH5J\n",
99     "-----END X509 CRL-----\n",
100     NULL
101 };
102
103 static const char *kBadIssuerCRL[] = {
104     "-----BEGIN X509 CRL-----\n",
105     "MIIBwjCBqwIBATANBgkqhkiG9w0BAQsFADBSMQswCQYDVQQGEwJVUzETMBEGA1UE\n",
106     "CAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzEWMBQGA1UECgwN\n",
107     "Tm90IEJvcmluZ1NTTBcNMTYwOTI2MTUxMjQ0WhcNMTYxMDI2MTUxMjQ0WjAVMBMC\n",
108     "AhAAFw0xNjA5MjYxNTEyMjZaoA4wDDAKBgNVHRQEAwIBAjANBgkqhkiG9w0BAQsF\n",
109     "AAOCAQEAlBmjOA3Fs5UCq3GbyPEzHkfAabL0HqOQaCP12btmvIf/z8kcjMGHmjjP\n",
110     "t85dHbI4Ak/G9wtRT4E/j9i5KML+6yfhRyUTUJKIK/kbqgkj06uuYWuFipURlpDB\n",
111     "cm81RzZaMQvmlN5YKfzZV/clLX6mJiXpNQg6zjhj6wBAMI9ZfwVHmCjRqnwVmCUL\n",
112     "TybvuTmkryGBqREwmSbHFFjg5ixG/ztwzON/Ly78aJ8Bql6ktCl9+/gh6VJcoZ0q\n",
113     "L8V8aT8+Ghfi+zrXM8S9BmLQ9n0fQe0wzKrDZh14EK4sb7zmOzFHSxm3eEXyS98g\n",
114     "Od4cjsc3ymNk88S4jpnLRtIVxZB+SQ==\n",
115     "-----END X509 CRL-----\n",
116     NULL
117 };
118
119 /*
120  * This is kBasicCRL but with a critical issuing distribution point
121  * extension.
122  */
123 static const char *kKnownCriticalCRL[] = {
124     "-----BEGIN X509 CRL-----\n",
125     "MIIBujCBowIBATANBgkqhkiG9w0BAQsFADBOMQswCQYDVQQGEwJVUzETMBEGA1UE\n",
126     "CAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzESMBAGA1UECgwJ\n",
127     "Qm9yaW5nU1NMFw0xNjA5MjYxNTEwNTVaFw0xNjEwMjYxNTEwNTVaoCEwHzAKBgNV\n",
128     "HRQEAwIBATARBgNVHRwBAf8EBzAFoQMBAf8wDQYJKoZIhvcNAQELBQADggEBAA+3\n",
129     "i+5e5Ub8sccfgOBs6WVJFI9c8gvJjrJ8/dYfFIAuCyeocs7DFXn1n13CRZ+URR/Q\n",
130     "mVWgU28+xeusuSPYFpd9cyYTcVyNUGNTI3lwgcE/yVjPaOmzSZKdPakApRxtpKKQ\n",
131     "NN/56aQz3bnT/ZSHQNciRB8U6jiD9V30t0w+FDTpGaG+7bzzUH3UVF9xf9Ctp60A\n",
132     "3mfLe0scas7owSt4AEFuj2SPvcE7yvdOXbu+IEv21cEJUVExJAbhvIweHXh6yRW+\n",
133     "7VVeiNzdIjkZjyTmAzoXGha4+wbxXyBRbfH+XWcO/H+8nwyG8Gktdu2QB9S9nnIp\n",
134     "o/1TpfOMSGhMyMoyPrk=\n",
135     "-----END X509 CRL-----\n",
136     NULL
137 };
138
139 /*
140  * kUnknownCriticalCRL is kBasicCRL but with an unknown critical extension.
141  */
142 static const char *kUnknownCriticalCRL[] = {
143     "-----BEGIN X509 CRL-----\n",
144     "MIIBvDCBpQIBATANBgkqhkiG9w0BAQsFADBOMQswCQYDVQQGEwJVUzETMBEGA1UE\n",
145     "CAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzESMBAGA1UECgwJ\n",
146     "Qm9yaW5nU1NMFw0xNjA5MjYxNTEwNTVaFw0xNjEwMjYxNTEwNTVaoCMwITAKBgNV\n",
147     "HRQEAwIBATATBgwqhkiG9xIEAYS3CQABAf8EADANBgkqhkiG9w0BAQsFAAOCAQEA\n",
148     "GvBP0xqL509InMj/3493YVRV+ldTpBv5uTD6jewzf5XdaxEQ/VjTNe5zKnxbpAib\n",
149     "Kf7cwX0PMSkZjx7k7kKdDlEucwVvDoqC+O9aJcqVmM6GDyNb9xENxd0XCXja6MZC\n",
150     "yVgP4AwLauB2vSiEprYJyI1APph3iAEeDm60lTXX/wBM/tupQDDujKh2GPyvBRfJ\n",
151     "+wEDwGg3ICwvu4gO4zeC5qnFR+bpL9t5tOMAQnVZ0NWv+k7mkd2LbHdD44dxrfXC\n",
152     "nhtfERx99SDmC/jtUAJrGhtCO8acr7exCeYcduN7KKCm91OeCJKK6OzWst0Og1DB\n",
153     "kwzzU2rL3G65CrZ7H0SZsQ==\n",
154     "-----END X509 CRL-----\n",
155     NULL
156 };
157
158 /*
159  * kUnknownCriticalCRL2 is kBasicCRL but with a critical issuing distribution
160  * point extension followed by an unknown critical extension
161  */
162 static const char *kUnknownCriticalCRL2[] = {
163     "-----BEGIN X509 CRL-----\n",
164     "MIIBzzCBuAIBATANBgkqhkiG9w0BAQsFADBOMQswCQYDVQQGEwJVUzETMBEGA1UE\n",
165     "CAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzESMBAGA1UECgwJ\n",
166     "Qm9yaW5nU1NMFw0xNjA5MjYxNTEwNTVaFw0xNjEwMjYxNTEwNTVaoDYwNDAKBgNV\n",
167     "HRQEAwIBATARBgNVHRwBAf8EBzAFoQMBAf8wEwYMKoZIhvcSBAGEtwkAAQH/BAAw\n",
168     "DQYJKoZIhvcNAQELBQADggEBACTcpQC8jXL12JN5YzOcQ64ubQIe0XxRAd30p7qB\n",
169     "BTXGpgqBjrjxRfLms7EBYodEXB2oXMsDq3km0vT1MfYdsDD05S+SQ9CDsq/pUfaC\n",
170     "E2WNI5p8WircRnroYvbN2vkjlRbMd1+yNITohXYXCJwjEOAWOx3XIM10bwPYBv4R\n",
171     "rDobuLHoMgL3yHgMHmAkP7YpkBucNqeBV8cCdeAZLuhXFWi6yfr3r/X18yWbC/r2\n",
172     "2xXdkrSqXLFo7ToyP8YKTgiXpya4x6m53biEYwa2ULlas0igL6DK7wjYZX95Uy7H\n",
173     "GKljn9weIYiMPV/BzGymwfv2EW0preLwtyJNJPaxbdin6Jc=\n",
174     "-----END X509 CRL-----\n",
175     NULL
176 };
177
178
179 /*
180  * Glue an array of strings together.  Return a BIO and put the string
181  * into |*out| so we can free it.
182  */
183 static BIO *glue(const char **pem, char **out)
184 {
185     char *dest;
186     int i;
187     size_t s = 0;
188
189     /* Glue the strings together. */
190     for (i = 0; pem[i] != NULL; ++i)
191         s += strlen(pem[i]);
192     dest = *out = OPENSSL_malloc(s + 1);
193     if (dest == NULL)
194         return NULL;
195     for (i = 0; pem[i] != NULL; ++i)
196         dest += strlen(strcpy(dest, pem[i]));
197     return BIO_new_mem_buf(*out, s);
198 }
199
200 /*
201  * Create a CRL from an array of strings.
202  */
203 static X509_CRL *CRL_from_strings(const char **pem)
204 {
205     char *p;
206     BIO *b = glue(pem, &p);
207     X509_CRL *crl = PEM_read_bio_X509_CRL(b, NULL, NULL, NULL);
208
209     OPENSSL_free(p);
210     BIO_free(b);
211     return crl;
212 }
213
214 /*
215  * Create an X509 from an array of strings.
216  */
217 static X509 *X509_from_strings(const char **pem)
218 {
219     char *p;
220     BIO *b = glue(pem, &p);
221     X509 *x = PEM_read_bio_X509(b, NULL, NULL, NULL);
222
223     OPENSSL_free(p);
224     BIO_free(b);
225     return x;
226 }
227
228 /*
229  * Verify |leaf| certificate (chained up to |root|).  |crls| if
230  * not NULL, is a list of CRLs to include in the verification. It is
231  * also free'd before returning, which is kinda yucky but convenient.
232  * Returns a value from X509_V_ERR_xxx or X509_V_OK.
233  */
234 static int verify(X509 *leaf, X509 *root, STACK_OF(X509_CRL) *crls,
235                   unsigned long flags)
236 {
237     X509_STORE_CTX *ctx = X509_STORE_CTX_new();
238     X509_STORE *store = X509_STORE_new();
239     X509_VERIFY_PARAM *param = X509_VERIFY_PARAM_new();
240     STACK_OF(X509) *roots = sk_X509_new_null();
241     int status = X509_V_ERR_UNSPECIFIED;
242
243     if (ctx == NULL || store == NULL || param == NULL || roots == NULL)
244         goto err;
245
246     /* Create a stack; upref the cert because we free it below. */
247     X509_up_ref(root);
248     if (!sk_X509_push(roots, root))
249         goto err;
250
251     if (!X509_STORE_CTX_init(ctx, store, leaf, NULL))
252         goto err;
253     X509_STORE_CTX_set0_trusted_stack(ctx, roots);
254     X509_STORE_CTX_set0_crls(ctx, crls);
255     X509_VERIFY_PARAM_set_time(param, 1474934400 /* Sep 27th, 2016 */);
256     X509_VERIFY_PARAM_set_depth(param, 16);
257     if (flags)
258         X509_VERIFY_PARAM_set_flags(param, flags);
259     X509_STORE_CTX_set0_param(ctx, param);
260
261     ERR_clear_error();
262     status = X509_verify_cert(ctx) == 1 ? X509_V_OK
263                                         : X509_STORE_CTX_get_error(ctx);
264 err:
265     sk_X509_pop_free(roots, X509_free);
266     sk_X509_CRL_pop_free(crls, X509_CRL_free);
267     X509_STORE_CTX_free(ctx);
268     X509_STORE_free(store);
269     return status;
270 }
271
272 /*
273  * Create a stack of CRL's.  Upref each one because we call pop_free on
274  * the stack and need to keep the CRL's around until the test exits.
275  * Yes this crashes on malloc failure; it forces us to debug.
276  */
277 static STACK_OF(X509_CRL) *make_CRL_stack(X509_CRL *x1, X509_CRL *x2)
278 {
279     STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
280
281     sk_X509_CRL_push(sk, x1);
282     X509_CRL_up_ref(x1);
283     if (x2 != NULL) {
284         sk_X509_CRL_push(sk, x2);
285         X509_CRL_up_ref(x2);
286     }
287     return sk;
288 }
289
290 static int test_crl()
291 {
292     X509 *root = X509_from_strings(kCRLTestRoot);
293     X509 *leaf = X509_from_strings(kCRLTestLeaf);
294     X509_CRL *basic_crl = CRL_from_strings(kBasicCRL);
295     X509_CRL *revoked_crl = CRL_from_strings(kRevokedCRL);
296     X509_CRL *bad_issuer_crl = CRL_from_strings(kBadIssuerCRL);
297     X509_CRL *known_critical_crl = CRL_from_strings(kKnownCriticalCRL);
298     X509_CRL *unknown_critical_crl = CRL_from_strings(kUnknownCriticalCRL);
299     X509_CRL *unknown_critical_crl2 = CRL_from_strings(kUnknownCriticalCRL2);
300     int status = 0;
301
302     if (root == NULL || leaf == NULL || basic_crl == NULL
303             || revoked_crl == NULL || bad_issuer_crl == NULL
304             || known_critical_crl == NULL || unknown_critical_crl == NULL
305             || unknown_critical_crl2 == NULL) {
306         fprintf(stderr, "Failed to parse certificates and CRLs.\n");
307         goto err;
308     }
309
310     if (verify(leaf, root, make_CRL_stack(basic_crl, NULL),
311                X509_V_FLAG_CRL_CHECK) != X509_V_OK) {
312         fprintf(stderr, "Cert with CRL didn't verify.\n");
313         goto err;
314     }
315
316     if (verify(leaf, root, make_CRL_stack(basic_crl, revoked_crl),
317                X509_V_FLAG_CRL_CHECK) != X509_V_ERR_CERT_REVOKED) {
318         fprintf(stderr, "Revoked CRL wasn't checked.\n");
319         goto err;
320     }
321
322     if (verify(leaf, root, NULL,
323                X509_V_FLAG_CRL_CHECK) != X509_V_ERR_UNABLE_TO_GET_CRL) {
324         fprintf(stderr, "CRLs were not required.\n");
325         goto err;
326     }
327
328     if (verify(leaf, root, make_CRL_stack(bad_issuer_crl, NULL),
329                X509_V_FLAG_CRL_CHECK) != X509_V_ERR_UNABLE_TO_GET_CRL) {
330         fprintf(stderr, "Bad CRL issuer was unnoticed.\n");
331         goto err;
332     }
333
334     if (verify(leaf, root, make_CRL_stack(known_critical_crl, NULL),
335                X509_V_FLAG_CRL_CHECK) != X509_V_OK) {
336         fprintf(stderr, "CRL with known critical extension was rejected.\n");
337         goto err;
338     }
339
340     if (verify(leaf, root, make_CRL_stack(unknown_critical_crl, NULL),
341                X509_V_FLAG_CRL_CHECK) !=
342             X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION) {
343         fprintf(stderr, "CRL with unknown critical extension was accepted.\n");
344         goto err;
345     }
346
347     if (verify(leaf, root, make_CRL_stack(unknown_critical_crl2, NULL),
348                X509_V_FLAG_CRL_CHECK) !=
349             X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION) {
350         fprintf(stderr, "CRL with unknown critical extension (2) was accepted.\n");
351         goto err;
352     }
353
354     status = 1;
355
356 err:
357     X509_free(root);
358     X509_free(leaf);
359     X509_CRL_free(basic_crl);
360     X509_CRL_free(revoked_crl);
361     X509_CRL_free(bad_issuer_crl);
362     X509_CRL_free(known_critical_crl);
363     X509_CRL_free(unknown_critical_crl);
364     X509_CRL_free(unknown_critical_crl2);
365     return status;
366 }
367
368 int main()
369 {
370     ADD_TEST(test_crl);
371     return run_tests("crltest");
372 }