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authorjsing <>2014-08-26 17:47:25 +0000
committerjsing <>2014-08-26 17:47:25 +0000
commitf3755acd5513f85ff734de6a822b6f804d3776ce (patch)
tree1f859a78eae941040f58599de8c0e1e56d61fdad /src/usr.bin/openssl/verify.c
parent0779b9f30aa9875c290af18a4362799668829707 (diff)
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Move openssl(1) from /usr/sbin/openssl to /usr/bin/openssl, since it is not
a system/superuser binary. At the same time, move the source code from its current lib/libssl/src/apps location to a more appropriate home under usr.bin/openssl. ok deraadt@ miod@
Diffstat (limited to 'src/usr.bin/openssl/verify.c')
-rw-r--r--src/usr.bin/openssl/verify.c339
1 files changed, 339 insertions, 0 deletions
diff --git a/src/usr.bin/openssl/verify.c b/src/usr.bin/openssl/verify.c
new file mode 100644
index 0000000000..057c467372
--- /dev/null
+++ b/src/usr.bin/openssl/verify.c
@@ -0,0 +1,339 @@
1/* $OpenBSD: verify.c,v 1.1 2014/08/26 17:47:25 jsing Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
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.
8 *
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).
15 *
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.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
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)"
40 *
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
51 * SUCH DAMAGE.
52 *
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.]
57 */
58
59#include <stdio.h>
60#include <stdlib.h>
61#include <string.h>
62
63#include "apps.h"
64
65#include <openssl/bio.h>
66#include <openssl/err.h>
67#include <openssl/pem.h>
68#include <openssl/x509.h>
69#include <openssl/x509v3.h>
70
71static int cb(int ok, X509_STORE_CTX * ctx);
72static int check(X509_STORE * ctx, char *file, STACK_OF(X509) * uchain,
73 STACK_OF(X509) * tchain, STACK_OF(X509_CRL) * crls, ENGINE * e);
74static int v_verbose = 0, vflags = 0;
75
76int verify_main(int, char **);
77
78int
79verify_main(int argc, char **argv)
80{
81 ENGINE *e = NULL;
82 int i, ret = 1, badarg = 0;
83 char *CApath = NULL, *CAfile = NULL;
84 char *untfile = NULL, *trustfile = NULL, *crlfile = NULL;
85 STACK_OF(X509) * untrusted = NULL, *trusted = NULL;
86 STACK_OF(X509_CRL) * crls = NULL;
87 X509_STORE *cert_ctx = NULL;
88 X509_LOOKUP *lookup = NULL;
89 X509_VERIFY_PARAM *vpm = NULL;
90#ifndef OPENSSL_NO_ENGINE
91 char *engine = NULL;
92#endif
93
94 cert_ctx = X509_STORE_new();
95 if (cert_ctx == NULL)
96 goto end;
97 X509_STORE_set_verify_cb(cert_ctx, cb);
98
99 ERR_load_crypto_strings();
100
101 argc--;
102 argv++;
103 for (;;) {
104 if (argc >= 1) {
105 if (strcmp(*argv, "-CApath") == 0) {
106 if (argc-- < 1)
107 goto end;
108 CApath = *(++argv);
109 } else if (strcmp(*argv, "-CAfile") == 0) {
110 if (argc-- < 1)
111 goto end;
112 CAfile = *(++argv);
113 } else if (args_verify(&argv, &argc, &badarg, bio_err,
114 &vpm)) {
115 if (badarg)
116 goto end;
117 continue;
118 } else if (strcmp(*argv, "-untrusted") == 0) {
119 if (argc-- < 1)
120 goto end;
121 untfile = *(++argv);
122 } else if (strcmp(*argv, "-trusted") == 0) {
123 if (argc-- < 1)
124 goto end;
125 trustfile = *(++argv);
126 } else if (strcmp(*argv, "-CRLfile") == 0) {
127 if (argc-- < 1)
128 goto end;
129 crlfile = *(++argv);
130 }
131#ifndef OPENSSL_NO_ENGINE
132 else if (strcmp(*argv, "-engine") == 0) {
133 if (--argc < 1)
134 goto end;
135 engine = *(++argv);
136 }
137#endif
138 else if (strcmp(*argv, "-help") == 0)
139 goto end;
140 else if (strcmp(*argv, "-verbose") == 0)
141 v_verbose = 1;
142 else if (argv[0][0] == '-')
143 goto end;
144 else
145 break;
146 argc--;
147 argv++;
148 } else
149 break;
150 }
151
152#ifndef OPENSSL_NO_ENGINE
153 e = setup_engine(bio_err, engine, 0);
154#endif
155
156 if (vpm)
157 X509_STORE_set1_param(cert_ctx, vpm);
158
159 lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_file());
160 if (lookup == NULL)
161 abort();
162 if (CAfile) {
163 i = X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM);
164 if (!i) {
165 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
166 ERR_print_errors(bio_err);
167 goto end;
168 }
169 } else
170 X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
171
172 lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_hash_dir());
173 if (lookup == NULL)
174 abort();
175 if (CApath) {
176 i = X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM);
177 if (!i) {
178 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
179 ERR_print_errors(bio_err);
180 goto end;
181 }
182 } else
183 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
184
185 ERR_clear_error();
186
187 if (untfile) {
188 untrusted = load_certs(bio_err, untfile, FORMAT_PEM,
189 NULL, e, "untrusted certificates");
190 if (!untrusted)
191 goto end;
192 }
193 if (trustfile) {
194 trusted = load_certs(bio_err, trustfile, FORMAT_PEM,
195 NULL, e, "trusted certificates");
196 if (!trusted)
197 goto end;
198 }
199 if (crlfile) {
200 crls = load_crls(bio_err, crlfile, FORMAT_PEM,
201 NULL, e, "other CRLs");
202 if (!crls)
203 goto end;
204 }
205 ret = 0;
206 if (argc < 1) {
207 if (1 != check(cert_ctx, NULL, untrusted, trusted, crls, e))
208 ret = -1;
209 } else {
210 for (i = 0; i < argc; i++)
211 if (1 != check(cert_ctx, argv[i], untrusted, trusted,
212 crls, e))
213 ret = -1;
214 }
215
216end:
217 if (ret == 1) {
218 BIO_printf(bio_err, "usage: verify [-verbose] [-CApath path] [-CAfile file] [-purpose purpose] [-crl_check]");
219 BIO_printf(bio_err, " [-attime timestamp]");
220#ifndef OPENSSL_NO_ENGINE
221 BIO_printf(bio_err, " [-engine e]");
222#endif
223 BIO_printf(bio_err, " cert1 cert2 ...\n");
224
225 BIO_printf(bio_err, "recognized usages:\n");
226 for (i = 0; i < X509_PURPOSE_get_count(); i++) {
227 X509_PURPOSE *ptmp;
228 ptmp = X509_PURPOSE_get0(i);
229 BIO_printf(bio_err, "\t%-10s\t%s\n",
230 X509_PURPOSE_get0_sname(ptmp),
231 X509_PURPOSE_get0_name(ptmp));
232 }
233 }
234 if (vpm)
235 X509_VERIFY_PARAM_free(vpm);
236 if (cert_ctx != NULL)
237 X509_STORE_free(cert_ctx);
238 sk_X509_pop_free(untrusted, X509_free);
239 sk_X509_pop_free(trusted, X509_free);
240 sk_X509_CRL_pop_free(crls, X509_CRL_free);
241
242 return (ret < 0 ? 2 : ret);
243}
244
245static int
246check(X509_STORE * ctx, char *file, STACK_OF(X509) * uchain,
247 STACK_OF(X509) * tchain, STACK_OF(X509_CRL) * crls, ENGINE * e)
248{
249 X509 *x = NULL;
250 int i = 0, ret = 0;
251 X509_STORE_CTX *csc;
252
253 x = load_cert(bio_err, file, FORMAT_PEM, NULL, e, "certificate file");
254 if (x == NULL)
255 goto end;
256 fprintf(stdout, "%s: ", (file == NULL) ? "stdin" : file);
257
258 csc = X509_STORE_CTX_new();
259 if (csc == NULL) {
260 ERR_print_errors(bio_err);
261 goto end;
262 }
263 X509_STORE_set_flags(ctx, vflags);
264 if (!X509_STORE_CTX_init(csc, ctx, x, uchain)) {
265 ERR_print_errors(bio_err);
266 goto end;
267 }
268 if (tchain)
269 X509_STORE_CTX_trusted_stack(csc, tchain);
270 if (crls)
271 X509_STORE_CTX_set0_crls(csc, crls);
272 i = X509_verify_cert(csc);
273 X509_STORE_CTX_free(csc);
274
275 ret = 0;
276
277end:
278 if (i > 0) {
279 fprintf(stdout, "OK\n");
280 ret = 1;
281 } else
282 ERR_print_errors(bio_err);
283 if (x != NULL)
284 X509_free(x);
285
286 return (ret);
287}
288
289static int
290cb(int ok, X509_STORE_CTX * ctx)
291{
292 int cert_error = X509_STORE_CTX_get_error(ctx);
293 X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx);
294
295 if (!ok) {
296 if (current_cert) {
297 X509_NAME_print_ex_fp(stdout,
298 X509_get_subject_name(current_cert),
299 0, XN_FLAG_ONELINE);
300 printf("\n");
301 }
302 printf("%serror %d at %d depth lookup:%s\n",
303 X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path]" : "",
304 cert_error,
305 X509_STORE_CTX_get_error_depth(ctx),
306 X509_verify_cert_error_string(cert_error));
307 switch (cert_error) {
308 case X509_V_ERR_NO_EXPLICIT_POLICY:
309 policies_print(NULL, ctx);
310 case X509_V_ERR_CERT_HAS_EXPIRED:
311
312 /*
313 * since we are just checking the certificates, it is
314 * ok if they are self signed. But we should still
315 * warn the user.
316 */
317
318 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
319 /* Continue after extension errors too */
320 case X509_V_ERR_INVALID_CA:
321 case X509_V_ERR_INVALID_NON_CA:
322 case X509_V_ERR_PATH_LENGTH_EXCEEDED:
323 case X509_V_ERR_INVALID_PURPOSE:
324 case X509_V_ERR_CRL_HAS_EXPIRED:
325 case X509_V_ERR_CRL_NOT_YET_VALID:
326 case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
327 ok = 1;
328
329 }
330
331 return ok;
332
333 }
334 if (cert_error == X509_V_OK && ok == 2)
335 policies_print(NULL, ctx);
336 if (!v_verbose)
337 ERR_clear_error();
338 return (ok);
339}