autofs: disable by default
[unleashed.git] / bin / openssl / crl.c
blob645b16ea540bfd02e830212f94612a6ca01fd2d4
1 /* $OpenBSD: crl.c,v 1.11 2018/02/07 05:47:55 jsing Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
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
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)"
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.
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.]
59 #include <stdio.h>
60 #include <stdlib.h>
61 #include <string.h>
63 #include "apps.h"
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>
71 static struct {
72 char *cafile;
73 char *capath;
74 int crlnumber;
75 int fingerprint;
76 int hash;
77 int hash_old;
78 char *infile;
79 int informat;
80 int issuer;
81 int lastupdate;
82 char *nameopt;
83 int nextupdate;
84 int noout;
85 char *outfile;
86 int outformat;
87 int text;
88 int verify;
89 } crl_config;
91 static struct option crl_options[] = {
93 .name = "CAfile",
94 .argname = "file",
95 .desc = "Verify the CRL using certificates in the given file",
96 .type = OPTION_ARG,
97 .opt.arg = &crl_config.cafile,
100 .name = "CApath",
101 .argname = "path",
102 .desc = "Verify the CRL using certificates in the given path",
103 .type = OPTION_ARG,
104 .opt.arg = &crl_config.capath,
107 .name = "crlnumber",
108 .desc = "Print the CRL number",
109 .type = OPTION_FLAG_ORD,
110 .opt.flag = &crl_config.crlnumber,
113 .name = "fingerprint",
114 .desc = "Print the CRL fingerprint",
115 .type = OPTION_FLAG_ORD,
116 .opt.flag = &crl_config.fingerprint,
119 .name = "hash",
120 .desc = "Print the hash of the issuer name",
121 .type = OPTION_FLAG_ORD,
122 .opt.flag = &crl_config.hash,
125 .name = "hash_old",
126 .desc = "Print an old-style (MD5) hash of the issuer name",
127 .type = OPTION_FLAG_ORD,
128 .opt.flag = &crl_config.hash_old,
131 .name = "in",
132 .argname = "file",
133 .desc = "Input file to read from (stdin if unspecified)",
134 .type = OPTION_ARG,
135 .opt.arg = &crl_config.infile,
138 .name = "inform",
139 .argname = "format",
140 .desc = "Input format (DER or PEM)",
141 .type = OPTION_ARG_FORMAT,
142 .opt.value = &crl_config.informat,
145 .name = "issuer",
146 .desc = "Print the issuer name",
147 .type = OPTION_FLAG_ORD,
148 .opt.flag = &crl_config.issuer,
151 .name = "lastupdate",
152 .desc = "Print the lastUpdate field",
153 .type = OPTION_FLAG_ORD,
154 .opt.flag = &crl_config.lastupdate,
157 .name = "nameopt",
158 .argname = "options",
159 .desc = "Specify certificate name options",
160 .type = OPTION_ARG,
161 .opt.arg = &crl_config.nameopt,
164 .name = "nextupdate",
165 .desc = "Print the nextUpdate field",
166 .type = OPTION_FLAG_ORD,
167 .opt.flag = &crl_config.nextupdate,
170 .name = "noout",
171 .desc = "Do not output the encoded version of the CRL",
172 .type = OPTION_FLAG,
173 .opt.flag = &crl_config.noout,
176 .name = "out",
177 .argname = "file",
178 .desc = "Output file to write to (stdout if unspecified)",
179 .type = OPTION_ARG,
180 .opt.arg = &crl_config.outfile,
183 .name = "outform",
184 .argname = "format",
185 .desc = "Output format (DER or PEM)",
186 .type = OPTION_ARG_FORMAT,
187 .opt.value = &crl_config.outformat,
190 .name = "text",
191 .desc = "Print out the CRL in text form",
192 .type = OPTION_FLAG,
193 .opt.flag = &crl_config.text,
196 .name = "verify",
197 .desc = "Verify the signature on the CRL",
198 .type = OPTION_FLAG,
199 .opt.flag = &crl_config.verify,
201 {NULL},
204 static void
205 crl_usage(void)
207 fprintf(stderr,
208 "usage: crl [-CAfile file] [-CApath dir] [-fingerprint] [-hash]\n"
209 " [-in file] [-inform DER | PEM] [-issuer] [-lastupdate]\n"
210 " [-nextupdate] [-noout] [-out file] [-outform DER | PEM]\n"
211 " [-text]\n\n");
212 options_usage(crl_options);
215 static X509_CRL *load_crl(char *file, int format);
216 static BIO *bio_out = NULL;
219 crl_main(int argc, char **argv)
221 unsigned long nmflag = 0;
222 X509_CRL *x = NULL;
223 int ret = 1, i;
224 BIO *out = NULL;
225 X509_STORE *store = NULL;
226 X509_STORE_CTX ctx;
227 X509_LOOKUP *lookup = NULL;
228 X509_OBJECT xobj;
229 EVP_PKEY *pkey;
230 const EVP_MD *digest;
231 char *digest_name = NULL;
233 if (single_execution) {
234 if (pledge("stdio cpath wpath rpath", NULL) == -1) {
235 perror("pledge");
236 exit(1);
240 if (bio_out == NULL) {
241 if ((bio_out = BIO_new(BIO_s_file())) != NULL) {
242 BIO_set_fp(bio_out, stdout, BIO_NOCLOSE);
246 digest = EVP_sha1();
248 memset(&crl_config, 0, sizeof(crl_config));
249 crl_config.informat = FORMAT_PEM;
250 crl_config.outformat = FORMAT_PEM;
252 if (options_parse(argc, argv, crl_options, &digest_name, NULL) != 0) {
253 crl_usage();
254 goto end;
257 if (crl_config.cafile != NULL || crl_config.capath != NULL)
258 crl_config.verify = 1;
260 if (crl_config.nameopt != NULL) {
261 if (set_name_ex(&nmflag, crl_config.nameopt) != 1) {
262 fprintf(stderr,
263 "Invalid -nameopt argument '%s'\n",
264 crl_config.nameopt);
265 goto end;
269 if (digest_name != NULL) {
270 if ((digest = EVP_get_digestbyname(digest_name)) == NULL) {
271 fprintf(stderr,
272 "Unknown message digest algorithm '%s'\n",
273 digest_name);
274 goto end;
278 x = load_crl(crl_config.infile, crl_config.informat);
279 if (x == NULL)
280 goto end;
282 if (crl_config.verify) {
283 store = X509_STORE_new();
284 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
285 if (lookup == NULL)
286 goto end;
287 if (!X509_LOOKUP_load_file(lookup, crl_config.cafile,
288 X509_FILETYPE_PEM))
289 X509_LOOKUP_load_file(lookup, NULL,
290 X509_FILETYPE_DEFAULT);
292 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
293 if (lookup == NULL)
294 goto end;
295 if (!X509_LOOKUP_add_dir(lookup, crl_config.capath,
296 X509_FILETYPE_PEM))
297 X509_LOOKUP_add_dir(lookup, NULL,
298 X509_FILETYPE_DEFAULT);
299 ERR_clear_error();
301 if (!X509_STORE_CTX_init(&ctx, store, NULL, NULL)) {
302 BIO_printf(bio_err,
303 "Error initialising X509 store\n");
304 goto end;
306 i = X509_STORE_get_by_subject(&ctx, X509_LU_X509,
307 X509_CRL_get_issuer(x), &xobj);
308 if (i <= 0) {
309 BIO_printf(bio_err,
310 "Error getting CRL issuer certificate\n");
311 goto end;
313 pkey = X509_get_pubkey(xobj.data.x509);
314 X509_OBJECT_free_contents(&xobj);
315 if (!pkey) {
316 BIO_printf(bio_err,
317 "Error getting CRL issuer public key\n");
318 goto end;
320 i = X509_CRL_verify(x, pkey);
321 EVP_PKEY_free(pkey);
322 if (i < 0)
323 goto end;
324 if (i == 0)
325 BIO_printf(bio_err, "verify failure\n");
326 else
327 BIO_printf(bio_err, "verify OK\n");
330 /* Print requested information the order that the flags were given. */
331 for (i = 1; i <= argc; i++) {
332 if (crl_config.issuer == i) {
333 print_name(bio_out, "issuer=",
334 X509_CRL_get_issuer(x), nmflag);
336 if (crl_config.crlnumber == i) {
337 ASN1_INTEGER *crlnum;
338 crlnum = X509_CRL_get_ext_d2i(x,
339 NID_crl_number, NULL, NULL);
340 BIO_printf(bio_out, "crlNumber=");
341 if (crlnum) {
342 i2a_ASN1_INTEGER(bio_out, crlnum);
343 ASN1_INTEGER_free(crlnum);
344 } else
345 BIO_puts(bio_out, "<NONE>");
346 BIO_printf(bio_out, "\n");
348 if (crl_config.hash == i) {
349 BIO_printf(bio_out, "%08lx\n",
350 X509_NAME_hash(X509_CRL_get_issuer(x)));
352 #ifndef OPENSSL_NO_MD5
353 if (crl_config.hash_old == i) {
354 BIO_printf(bio_out, "%08lx\n",
355 X509_NAME_hash_old(X509_CRL_get_issuer(x)));
357 #endif
358 if (crl_config.lastupdate == i) {
359 BIO_printf(bio_out, "lastUpdate=");
360 ASN1_TIME_print(bio_out,
361 X509_CRL_get_lastUpdate(x));
362 BIO_printf(bio_out, "\n");
364 if (crl_config.nextupdate == i) {
365 BIO_printf(bio_out, "nextUpdate=");
366 if (X509_CRL_get_nextUpdate(x))
367 ASN1_TIME_print(bio_out,
368 X509_CRL_get_nextUpdate(x));
369 else
370 BIO_printf(bio_out, "NONE");
371 BIO_printf(bio_out, "\n");
373 if (crl_config.fingerprint == i) {
374 int j;
375 unsigned int n;
376 unsigned char md[EVP_MAX_MD_SIZE];
378 if (!X509_CRL_digest(x, digest, md, &n)) {
379 BIO_printf(bio_err, "out of memory\n");
380 goto end;
382 BIO_printf(bio_out, "%s Fingerprint=",
383 OBJ_nid2sn(EVP_MD_type(digest)));
384 for (j = 0; j < (int) n; j++) {
385 BIO_printf(bio_out, "%02X%c", md[j],
386 (j + 1 == (int)n) ? '\n' : ':');
391 out = BIO_new(BIO_s_file());
392 if (out == NULL) {
393 ERR_print_errors(bio_err);
394 goto end;
396 if (crl_config.outfile == NULL) {
397 BIO_set_fp(out, stdout, BIO_NOCLOSE);
398 } else {
399 if (BIO_write_filename(out, crl_config.outfile) <= 0) {
400 perror(crl_config.outfile);
401 goto end;
405 if (crl_config.text)
406 X509_CRL_print(out, x);
408 if (crl_config.noout) {
409 ret = 0;
410 goto end;
412 if (crl_config.outformat == FORMAT_ASN1)
413 i = (int) i2d_X509_CRL_bio(out, x);
414 else if (crl_config.outformat == FORMAT_PEM)
415 i = PEM_write_bio_X509_CRL(out, x);
416 else {
417 BIO_printf(bio_err,
418 "bad output format specified for outfile\n");
419 goto end;
421 if (!i) {
422 BIO_printf(bio_err, "unable to write CRL\n");
423 goto end;
425 ret = 0;
427 end:
428 BIO_free_all(out);
429 BIO_free_all(bio_out);
430 bio_out = NULL;
431 X509_CRL_free(x);
432 if (store) {
433 X509_STORE_CTX_cleanup(&ctx);
434 X509_STORE_free(store);
437 return (ret);
440 static X509_CRL *
441 load_crl(char *infile, int format)
443 X509_CRL *x = NULL;
444 BIO *in = NULL;
446 in = BIO_new(BIO_s_file());
447 if (in == NULL) {
448 ERR_print_errors(bio_err);
449 goto end;
451 if (infile == NULL)
452 BIO_set_fp(in, stdin, BIO_NOCLOSE);
453 else {
454 if (BIO_read_filename(in, infile) <= 0) {
455 perror(infile);
456 goto end;
459 if (format == FORMAT_ASN1)
460 x = d2i_X509_CRL_bio(in, NULL);
461 else if (format == FORMAT_PEM)
462 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
463 else {
464 BIO_printf(bio_err,
465 "bad input format specified for input crl\n");
466 goto end;
468 if (x == NULL) {
469 BIO_printf(bio_err, "unable to load CRL\n");
470 ERR_print_errors(bio_err);
471 goto end;
474 end:
475 BIO_free(in);
476 return (x);