2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
63 #include <openssl/bio.h>
64 #include <openssl/err.h>
65 #include <openssl/x509.h>
66 #include <openssl/x509v3.h>
67 #include <openssl/pem.h>
70 #define PROG verify_main
72 static int cb(int ok, X509_STORE_CTX *ctx);
73 static int check(X509_STORE *ctx, char *file,
74 STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
75 STACK_OF(X509_CRL) *crls, ENGINE *e, int show_chain);
76 static int v_verbose = 0, vflags = 0;
78 int MAIN(int, char **);
80 int MAIN(int argc, char **argv)
83 int i, ret = 1, badarg = 0;
84 char *CApath = NULL, *CAfile = NULL;
85 char *untfile = NULL, *trustfile = NULL, *crlfile = NULL;
86 STACK_OF(X509) *untrusted = NULL, *trusted = NULL;
87 STACK_OF(X509_CRL) *crls = NULL;
88 X509_STORE *cert_ctx = NULL;
89 X509_LOOKUP *lookup = NULL;
90 X509_VERIFY_PARAM *vpm = NULL;
91 int crl_download = 0, show_chain = 0;
92 #ifndef OPENSSL_NO_ENGINE
96 cert_ctx = X509_STORE_new();
99 X509_STORE_set_verify_cb(cert_ctx, cb);
101 ERR_load_crypto_strings();
106 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
107 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
109 if (!load_config(bio_err, NULL))
116 if (strcmp(*argv, "-CApath") == 0) {
120 } else if (strcmp(*argv, "-CAfile") == 0) {
124 } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
128 } else if (strcmp(*argv, "-untrusted") == 0) {
132 } else if (strcmp(*argv, "-trusted") == 0) {
135 trustfile = *(++argv);
136 } else if (strcmp(*argv, "-CRLfile") == 0) {
140 } else if (strcmp(*argv, "-crl_download") == 0)
142 else if (strcmp(*argv, "-show_chain") == 0)
144 #ifndef OPENSSL_NO_ENGINE
145 else if (strcmp(*argv, "-engine") == 0) {
151 else if (strcmp(*argv, "-help") == 0)
153 else if (strcmp(*argv, "-verbose") == 0)
155 else if (argv[0][0] == '-')
165 #ifndef OPENSSL_NO_ENGINE
166 e = setup_engine(bio_err, engine, 0);
170 X509_STORE_set1_param(cert_ctx, vpm);
172 lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_file());
176 i = X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM);
178 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
179 ERR_print_errors(bio_err);
183 X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
185 lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_hash_dir());
189 i = X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM);
191 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
192 ERR_print_errors(bio_err);
196 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
201 untrusted = load_certs(bio_err, untfile, FORMAT_PEM,
202 NULL, e, "untrusted certificates");
208 trusted = load_certs(bio_err, trustfile, FORMAT_PEM,
209 NULL, e, "trusted certificates");
215 crls = load_crls(bio_err, crlfile, FORMAT_PEM, NULL, e, "other CRLs");
221 store_setup_crl_download(cert_ctx);
226 check(cert_ctx, NULL, untrusted, trusted, crls, e, show_chain))
229 for (i = 0; i < argc; i++)
231 check(cert_ctx, argv[i], untrusted, trusted, crls, e,
239 "usage: verify [-verbose] [-CApath path] [-CAfile file] [-trusted_first] [-purpose purpose] [-crl_check]");
240 #ifndef OPENSSL_NO_ENGINE
241 BIO_printf(bio_err, " [-engine e]");
243 BIO_printf(bio_err, " cert1 cert2 ...\n");
245 BIO_printf(bio_err, "recognized usages:\n");
246 for (i = 0; i < X509_PURPOSE_get_count(); i++) {
248 ptmp = X509_PURPOSE_get0(i);
249 BIO_printf(bio_err, "\t%-10s\t%s\n",
250 X509_PURPOSE_get0_sname(ptmp),
251 X509_PURPOSE_get0_name(ptmp));
254 BIO_printf(bio_err, "recognized verify names:\n");
255 for (i = 0; i < X509_VERIFY_PARAM_get_count(); i++) {
256 const X509_VERIFY_PARAM *vptmp;
257 vptmp = X509_VERIFY_PARAM_get0(i);
258 BIO_printf(bio_err, "\t%-10s\n",
259 X509_VERIFY_PARAM_get0_name(vptmp));
264 X509_VERIFY_PARAM_free(vpm);
265 if (cert_ctx != NULL)
266 X509_STORE_free(cert_ctx);
267 sk_X509_pop_free(untrusted, X509_free);
268 sk_X509_pop_free(trusted, X509_free);
269 sk_X509_CRL_pop_free(crls, X509_CRL_free);
271 OPENSSL_EXIT(ret < 0 ? 2 : ret);
274 static int check(X509_STORE *ctx, char *file,
275 STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
276 STACK_OF(X509_CRL) *crls, ENGINE *e, int show_chain)
281 STACK_OF(X509) *chain = NULL;
283 x = load_cert(bio_err, file, FORMAT_PEM, NULL, e, "certificate file");
286 fprintf(stdout, "%s: ", (file == NULL) ? "stdin" : file);
288 csc = X509_STORE_CTX_new();
290 ERR_print_errors(bio_err);
293 X509_STORE_set_flags(ctx, vflags);
294 if (!X509_STORE_CTX_init(csc, ctx, x, uchain)) {
295 ERR_print_errors(bio_err);
299 X509_STORE_CTX_trusted_stack(csc, tchain);
301 X509_STORE_CTX_set0_crls(csc, crls);
302 i = X509_verify_cert(csc);
303 if (i > 0 && show_chain)
304 chain = X509_STORE_CTX_get1_chain(csc);
305 X509_STORE_CTX_free(csc);
310 fprintf(stdout, "OK\n");
313 ERR_print_errors(bio_err);
316 for (i = 0; i < sk_X509_num(chain); i++) {
317 X509 *cert = sk_X509_value(chain, i);
318 printf("depth=%d: ", i);
319 X509_NAME_print_ex_fp(stdout,
320 X509_get_subject_name(cert),
324 sk_X509_pop_free(chain, X509_free);
332 static int cb(int ok, X509_STORE_CTX *ctx)
334 int cert_error = X509_STORE_CTX_get_error(ctx);
335 X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx);
339 X509_NAME_print_ex_fp(stdout,
340 X509_get_subject_name(current_cert),
344 printf("%serror %d at %d depth lookup:%s\n",
345 X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path]" : "",
347 X509_STORE_CTX_get_error_depth(ctx),
348 X509_verify_cert_error_string(cert_error));
349 switch (cert_error) {
350 case X509_V_ERR_NO_EXPLICIT_POLICY:
351 policies_print(NULL, ctx);
352 case X509_V_ERR_CERT_HAS_EXPIRED:
355 * since we are just checking the certificates, it is ok if they
356 * are self signed. But we should still warn the user.
359 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
360 /* Continue after extension errors too */
361 case X509_V_ERR_INVALID_CA:
362 case X509_V_ERR_INVALID_NON_CA:
363 case X509_V_ERR_PATH_LENGTH_EXCEEDED:
364 case X509_V_ERR_INVALID_PURPOSE:
365 case X509_V_ERR_CRL_HAS_EXPIRED:
366 case X509_V_ERR_CRL_NOT_YET_VALID:
367 case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
375 if (cert_error == X509_V_OK && ok == 2)
376 policies_print(NULL, ctx);