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make RSA blinding thread-safe
[thirdparty/openssl.git] / apps / ocsp.c
CommitLineData
5782ceb2
DSH		 1/* ocsp.c */
2/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
3 * project 2000.
4 */
5/* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
85d686e7 58#ifndef OPENSSL_NO_OCSP
5782ceb2
DSH		 59
60#include <stdio.h>
61#include <string.h>
7b63c0fa 62#include "apps.h"
5782ceb2
DSH		 63#include <openssl/pem.h>
64#include <openssl/ocsp.h>
65#include <openssl/err.h>
cdc7b8cc 66#include <openssl/ssl.h>
5782ceb2 67
f1965221
DSH		 68/* Maximum leeway in validity period: default 5 minutes */
69#define MAX_VALIDITY_PERIOD (5 * 60)
70
ee306a13
DSH		 71/* CA index.txt definitions */
72#define DB_type 0
73#define DB_exp_date 1
74#define DB_rev_date 2
75#define DB_serial 3 /* index - unique */
76#define DB_file 4
77#define DB_name 5 /* index - unique for active */
78#define DB_NUMBER 6
79
80#define DB_TYPE_REV 'R'
81#define DB_TYPE_EXP 'E'
82#define DB_TYPE_VAL 'V'
83
73758d43
DSH		 84static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer,
85 STACK_OF(OCSP_CERTID) *ids);
86static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer,
87 STACK_OF(OCSP_CERTID) *ids);
88static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
f1965221
DSH		 89 STACK *names, STACK_OF(OCSP_CERTID) *ids,
90 long nsec, long maxage);
5782ceb2 91
ee306a13
DSH		 92static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, TXT_DB *db,
93 X509 *ca, X509 *rcert, EVP_PKEY *rkey,
94 STACK_OF(X509) *rother, unsigned long flags,
95 int nmin, int ndays);
96
97static char **lookup_serial(TXT_DB *db, ASN1_INTEGER *ser);
534a1ed0
DSH		 98static BIO *init_responder(char *port);
99static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port);
ee306a13
DSH		 100static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
101
5782ceb2
DSH		 102#undef PROG
103#define PROG ocsp_main
104
105int MAIN(int, char **);
106
107int MAIN(int argc, char **argv)
108 {
30b4c272 109 ENGINE *e = NULL;
5782ceb2 110 char **args;
67c18019 111 char *host = NULL, *port = NULL, *path = "/";
5782ceb2
DSH		 112 char *reqin = NULL, *respin = NULL;
113 char *reqout = NULL, *respout = NULL;
114 char *signfile = NULL, *keyfile = NULL;
ee306a13 115 char *rsignfile = NULL, *rkeyfile = NULL;
5782ceb2 116 char *outfile = NULL;
67c18019 117 int add_nonce = 1, noverify = 0, use_ssl = -1;
5782ceb2
DSH		 118 OCSP_REQUEST *req = NULL;
119 OCSP_RESPONSE *resp = NULL;
81f169e9 120 OCSP_BASICRESP *bs = NULL;
5782ceb2 121 X509 *issuer = NULL, *cert = NULL;
ee306a13
DSH		 122 X509 *signer = NULL, *rsigner = NULL;
123 EVP_PKEY *key = NULL, *rkey = NULL;
534a1ed0
DSH		 124 BIO *acbio = NULL, *cbio = NULL;
125 BIO *derbio = NULL;
5782ceb2
DSH		 126 BIO *out = NULL;
127 int req_text = 0, resp_text = 0;
f1965221 128 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
81f169e9
DSH		 129 char *CAfile = NULL, *CApath = NULL;
130 X509_STORE *store = NULL;
cdc7b8cc 131 SSL_CTX *ctx = NULL;
ee306a13
DSH		 132 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
133 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
134 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
5782ceb2 135 int ret = 1;
534a1ed0 136 int accept_count = -1;
5782ceb2 137 int badarg = 0;
81f169e9 138 int i;
73758d43
DSH		 139 STACK *reqnames = NULL;
140 STACK_OF(OCSP_CERTID) *ids = NULL;
ee306a13
DSH		 141
142 X509 *rca_cert = NULL;
143 char *ridx_filename = NULL;
144 char *rca_filename = NULL;
145 TXT_DB *rdb = NULL;
146 int nmin = 0, ndays = -1;
147
5782ceb2 148 if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
3647bee2
DSH		 149
150 if (!load_config(bio_err, NULL))
151 goto end;
cdc7b8cc 152 SSL_load_error_strings();
5782ceb2 153 args = argv + 1;
73758d43
DSH		 154 reqnames = sk_new_null();
155 ids = sk_OCSP_CERTID_new_null();
5782ceb2
DSH		 156 while (!badarg && *args && *args[0] == '-')
157 {
158 if (!strcmp(*args, "-out"))
159 {
160 if (args[1])
161 {
162 args++;
163 outfile = *args;
164 }
165 else badarg = 1;
166 }
67c18019
DSH		 167 else if (!strcmp(*args, "-url"))
168 {
169 if (args[1])
170 {
171 args++;
172 if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl))
173 {
174 BIO_printf(bio_err, "Error parsing URL\n");
175 badarg = 1;
176 }
177 }
178 else badarg = 1;
179 }
5782ceb2
DSH		 180 else if (!strcmp(*args, "-host"))
181 {
182 if (args[1])
183 {
184 args++;
185 host = *args;
186 }
187 else badarg = 1;
188 }
ee306a13
DSH		 189 else if (!strcmp(*args, "-port"))
190 {
191 if (args[1])
192 {
193 args++;
194 port = *args;
195 }
196 else badarg = 1;
197 }
73758d43
DSH		 198 else if (!strcmp(*args, "-noverify"))
199 noverify = 1;
5782ceb2
DSH		 200 else if (!strcmp(*args, "-nonce"))
201 add_nonce = 2;
202 else if (!strcmp(*args, "-no_nonce"))
203 add_nonce = 0;
534a1ed0 204 else if (!strcmp(*args, "-resp_no_certs"))
ee306a13 205 rflags |= OCSP_NOCERTS;
534a1ed0 206 else if (!strcmp(*args, "-resp_key_id"))
ee306a13 207 rflags |= OCSP_RESPID_KEY;
8c950429
DSH		 208 else if (!strcmp(*args, "-no_certs"))
209 sign_flags |= OCSP_NOCERTS;
210 else if (!strcmp(*args, "-no_signature_verify"))
211 verify_flags |= OCSP_NOSIGS;
212 else if (!strcmp(*args, "-no_cert_verify"))
213 verify_flags |= OCSP_NOVERIFY;
214 else if (!strcmp(*args, "-no_chain"))
215 verify_flags |= OCSP_NOCHAIN;
216 else if (!strcmp(*args, "-no_cert_checks"))
217 verify_flags |= OCSP_NOCHECKS;
218 else if (!strcmp(*args, "-no_explicit"))
219 verify_flags |= OCSP_NOEXPLICIT;
220 else if (!strcmp(*args, "-trust_other"))
221 verify_flags |= OCSP_TRUSTOTHER;
222 else if (!strcmp(*args, "-no_intern"))
223 verify_flags |= OCSP_NOINTERN;
5782ceb2
DSH		 224 else if (!strcmp(*args, "-text"))
225 {
226 req_text = 1;
227 resp_text = 1;
228 }
229 else if (!strcmp(*args, "-req_text"))
230 req_text = 1;
231 else if (!strcmp(*args, "-resp_text"))
232 resp_text = 1;
233 else if (!strcmp(*args, "-reqin"))
234 {
235 if (args[1])
236 {
237 args++;
238 reqin = *args;
239 }
240 else badarg = 1;
241 }
242 else if (!strcmp(*args, "-respin"))
243 {
244 if (args[1])
245 {
246 args++;
247 respin = *args;
248 }
249 else badarg = 1;
250 }
251 else if (!strcmp(*args, "-signer"))
252 {
253 if (args[1])
254 {
255 args++;
256 signfile = *args;
257 }
258 else badarg = 1;
259 }
9235adbf
RL		 260 else if (!strcmp (*args, "-VAfile"))
261 {
262 if (args[1])
263 {
264 args++;
8c950429
DSH		 265 verify_certfile = *args;
266 verify_flags |= OCSP_TRUSTOTHER;
267 }
268 else badarg = 1;
269 }
270 else if (!strcmp(*args, "-sign_other"))
271 {
272 if (args[1])
273 {
274 args++;
275 sign_certfile = *args;
276 }
277 else badarg = 1;
278 }
279 else if (!strcmp(*args, "-verify_other"))
280 {
281 if (args[1])
282 {
283 args++;
284 verify_certfile = *args;
9235adbf
RL		 285 }
286 else badarg = 1;
287 }
81f169e9
DSH		 288 else if (!strcmp (*args, "-CAfile"))
289 {
290 if (args[1])
291 {
292 args++;
293 CAfile = *args;
294 }
295 else badarg = 1;
296 }
297 else if (!strcmp (*args, "-CApath"))
298 {
299 if (args[1])
300 {
301 args++;
302 CApath = *args;
303 }
304 else badarg = 1;
305 }
f1965221
DSH		 306 else if (!strcmp (*args, "-validity_period"))
307 {
308 if (args[1])
309 {
310 args++;
311 nsec = atol(*args);
312 if (nsec < 0)
313 {
314 BIO_printf(bio_err,
315 "Illegal validity period %s\n",
316 *args);
317 badarg = 1;
318 }
319 }
320 else badarg = 1;
321 }
322 else if (!strcmp (*args, "-status_age"))
323 {
324 if (args[1])
325 {
326 args++;
327 maxage = atol(*args);
328 if (maxage < 0)
329 {
330 BIO_printf(bio_err,
331 "Illegal validity age %s\n",
332 *args);
333 badarg = 1;
334 }
335 }
336 else badarg = 1;
337 }
5782ceb2
DSH		 338 else if (!strcmp(*args, "-signkey"))
339 {
340 if (args[1])
341 {
342 args++;
343 keyfile = *args;
344 }
345 else badarg = 1;
346 }
347 else if (!strcmp(*args, "-reqout"))
348 {
349 if (args[1])
350 {
351 args++;
352 reqout = *args;
353 }
354 else badarg = 1;
355 }
356 else if (!strcmp(*args, "-respout"))
357 {
358 if (args[1])
359 {
360 args++;
361 respout = *args;
362 }
363 else badarg = 1;
364 }
365 else if (!strcmp(*args, "-path"))
366 {
367 if (args[1])
368 {
369 args++;
370 path = *args;
371 }
372 else badarg = 1;
373 }
374 else if (!strcmp(*args, "-issuer"))
375 {
376 if (args[1])
377 {
378 args++;
379 X509_free(issuer);
30b4c272
RL		 380 issuer = load_cert(bio_err, *args, FORMAT_PEM,
381 NULL, e, "issuer certificate");
5782ceb2
DSH		 382 if(!issuer) goto end;
383 }
384 else badarg = 1;
385 }
386 else if (!strcmp (*args, "-cert"))
387 {
388 if (args[1])
389 {
390 args++;
391 X509_free(cert);
30b4c272
RL		 392 cert = load_cert(bio_err, *args, FORMAT_PEM,
393 NULL, e, "certificate");
5782ceb2 394 if(!cert) goto end;
73758d43
DSH		 395 if(!add_ocsp_cert(&req, cert, issuer, ids))
396 goto end;
397 if(!sk_push(reqnames, *args))
5782ceb2
DSH		 398 goto end;
399 }
400 else badarg = 1;
401 }
402 else if (!strcmp(*args, "-serial"))
403 {
404 if (args[1])
405 {
406 args++;
73758d43
DSH		 407 if(!add_ocsp_serial(&req, *args, issuer, ids))
408 goto end;
409 if(!sk_push(reqnames, *args))
5782ceb2
DSH		 410 goto end;
411 }
412 else badarg = 1;
413 }
ee306a13
DSH		 414 else if (!strcmp(*args, "-index"))
415 {
416 if (args[1])
417 {
418 args++;
419 ridx_filename = *args;
420 }
421 else badarg = 1;
422 }
423 else if (!strcmp(*args, "-CA"))
424 {
425 if (args[1])
426 {
427 args++;
428 rca_filename = *args;
429 }
430 else badarg = 1;
431 }
432 else if (!strcmp (*args, "-nmin"))
433 {
434 if (args[1])
435 {
436 args++;
437 nmin = atol(*args);
438 if (nmin < 0)
439 {
440 BIO_printf(bio_err,
441 "Illegal update period %s\n",
442 *args);
443 badarg = 1;
444 }
445 }
446 if (ndays == -1)
447 ndays = 0;
448 else badarg = 1;
449 }
534a1ed0
DSH		 450 else if (!strcmp (*args, "-nrequest"))
451 {
452 if (args[1])
453 {
454 args++;
455 accept_count = atol(*args);
456 if (accept_count < 0)
457 {
458 BIO_printf(bio_err,
459 "Illegal accept count %s\n",
460 *args);
461 badarg = 1;
462 }
463 }
464 else badarg = 1;
465 }
ee306a13
DSH		 466 else if (!strcmp (*args, "-ndays"))
467 {
468 if (args[1])
469 {
470 args++;
471 ndays = atol(*args);
472 if (ndays < 0)
473 {
474 BIO_printf(bio_err,
475 "Illegal update period %s\n",
476 *args);
477 badarg = 1;
478 }
479 }
480 else badarg = 1;
481 }
482 else if (!strcmp(*args, "-rsigner"))
483 {
484 if (args[1])
485 {
486 args++;
487 rsignfile = *args;
488 }
489 else badarg = 1;
490 }
491 else if (!strcmp(*args, "-rkey"))
492 {
493 if (args[1])
494 {
495 args++;
496 rkeyfile = *args;
497 }
498 else badarg = 1;
499 }
500 else if (!strcmp(*args, "-rother"))
501 {
502 if (args[1])
503 {
504 args++;
505 rcertfile = *args;
506 }
507 else badarg = 1;
508 }
5782ceb2
DSH		 509 else badarg = 1;
510 args++;
511 }
512
513 /* Have we anything to do? */
ee306a13 514 if (!req && !reqin && !respin && !(port && ridx_filename)) badarg = 1;
5782ceb2
DSH		 515
516 if (badarg)
517 {
518 BIO_printf (bio_err, "OCSP utility\n");
519 BIO_printf (bio_err, "Usage ocsp [options]\n");
520 BIO_printf (bio_err, "where options are\n");
8c950429
DSH		 521 BIO_printf (bio_err, "-out file output filename\n");
522 BIO_printf (bio_err, "-issuer file issuer certificate\n");
523 BIO_printf (bio_err, "-cert file certificate to check\n");
524 BIO_printf (bio_err, "-serial n serial number to check\n");
525 BIO_printf (bio_err, "-signer file certificate to sign OCSP request with\n");
526 BIO_printf (bio_err, "-signkey file private key to sign OCSP request with\n");
e5b0508a 527 BIO_printf (bio_err, "-sign_other file additional certificates to include in signed request\n");
b3f2e399 528 BIO_printf (bio_err, "-no_certs don't include any certificates in signed request\n");
8c950429
DSH		 529 BIO_printf (bio_err, "-req_text print text form of request\n");
530 BIO_printf (bio_err, "-resp_text print text form of response\n");
531 BIO_printf (bio_err, "-text print text form of request and response\n");
532 BIO_printf (bio_err, "-reqout file write DER encoded OCSP request to \"file\"\n");
533 BIO_printf (bio_err, "-respout file write DER encoded OCSP reponse to \"file\"\n");
534 BIO_printf (bio_err, "-reqin file read DER encoded OCSP request from \"file\"\n");
535 BIO_printf (bio_err, "-respin file read DER encoded OCSP reponse from \"file\"\n");
536 BIO_printf (bio_err, "-nonce add OCSP nonce to request\n");
537 BIO_printf (bio_err, "-no_nonce don't add OCSP nonce to request\n");
67c18019 538 BIO_printf (bio_err, "-url URL OCSP responder URL\n");
8c950429
DSH		 539 BIO_printf (bio_err, "-host host:n send OCSP request to host on port n\n");
540 BIO_printf (bio_err, "-path path to use in OCSP request\n");
541 BIO_printf (bio_err, "-CApath dir trusted certificates directory\n");
542 BIO_printf (bio_err, "-CAfile file trusted certificates file\n");
543 BIO_printf (bio_err, "-VAfile file validator certificates file\n");
f1965221
DSH		 544 BIO_printf (bio_err, "-validity_period n maximum validity discrepancy in seconds\n");
545 BIO_printf (bio_err, "-status_age n maximum status age in seconds\n");
8c950429 546 BIO_printf (bio_err, "-noverify don't verify response at all\n");
e5b0508a 547 BIO_printf (bio_err, "-verify_other file additional certificates to search for signer\n");
b3f2e399
DSH		 548 BIO_printf (bio_err, "-trust_other don't verify additional certificates\n");
549 BIO_printf (bio_err, "-no_intern don't search certificates contained in response for signer\n");
e5b0508a 550 BIO_printf (bio_err, "-no_signature_verify don't check signature on response\n");
b3f2e399
DSH		 551 BIO_printf (bio_err, "-no_cert_verify don't check signing certificate\n");
552 BIO_printf (bio_err, "-no_chain don't chain verify response\n");
553 BIO_printf (bio_err, "-no_cert_checks don't do additional checks on signing certificate\n");
b439a746 554 BIO_printf (bio_err, "-port num port to run responder on\n");
534a1ed0
DSH		 555 BIO_printf (bio_err, "-index file certificate status index file\n");
556 BIO_printf (bio_err, "-CA file CA certificate\n");
99889b46
DSH		 557 BIO_printf (bio_err, "-rsigner file responder certificate to sign responses with\n");
558 BIO_printf (bio_err, "-rkey file responder key to sign responses with\n");
534a1ed0
DSH		 559 BIO_printf (bio_err, "-rother file other certificates to include in response\n");
560 BIO_printf (bio_err, "-resp_no_certs don't include any certificates in response\n");
561 BIO_printf (bio_err, "-nmin n number of minutes before next update\n");
562 BIO_printf (bio_err, "-ndays n number of days before next update\n");
563 BIO_printf (bio_err, "-resp_key_id identify reponse by signing certificate key ID\n");
564 BIO_printf (bio_err, "-nrequest n number of requests to accept (default unlimited)\n");
5782ceb2
DSH		 565 goto end;
566 }
567
568 if(outfile) out = BIO_new_file(outfile, "w");
569 else out = BIO_new_fp(stdout, BIO_NOCLOSE);
570
571 if(!out)
572 {
573 BIO_printf(bio_err, "Error opening output file\n");
574 goto end;
575 }
576
577 if (!req && (add_nonce != 2)) add_nonce = 0;
578
579 if (!req && reqin)
580 {
581 derbio = BIO_new_file(reqin, "rb");
582 if (!derbio)
583 {
584 BIO_printf(bio_err, "Error Opening OCSP request file\n");
585 goto end;
586 }
587 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
588 BIO_free(derbio);
589 if(!req)
590 {
591 BIO_printf(bio_err, "Error reading OCSP request\n");
592 goto end;
593 }
594 }
595
ee306a13
DSH		 596 if (!req && port)
597 {
534a1ed0
DSH		 598 acbio = init_responder(port);
599 if (!acbio)
ee306a13 600 goto end;
534a1ed0
DSH		 601 }
602
b439a746
DSH		 603 if (rsignfile && !rdb)
604 {
605 if (!rkeyfile) rkeyfile = rsignfile;
606 rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM,
607 NULL, e, "responder certificate");
608 if (!rsigner)
609 {
610 BIO_printf(bio_err, "Error loading responder certificate\n");
611 goto end;
612 }
613 rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM,
614 NULL, e, "CA certificate");
615 if (rcertfile)
616 {
5575f781 617 rother = load_certs(bio_err, rcertfile, FORMAT_PEM,
b439a746 618 NULL, e, "responder other certificates");
5575f781 619 if (!rother) goto end;
b439a746 620 }
da9b9724 621 rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL,
b439a746
DSH		 622 "responder private key");
623 if (!rkey)
624 goto end;
625 }
626 if(acbio)
627 BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
628
534a1ed0
DSH		 629 redo_accept:
630
631 if (acbio)
632 {
633 if (!do_responder(&req, &cbio, acbio, port))
634 goto end;
635 if (!req)
ee306a13
DSH		 636 {
637 resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
638 send_ocsp_response(cbio, resp);
639 goto done_resp;
640 }
641 }
642
643 if (!req && (signfile || reqout || host || add_nonce || ridx_filename))
5782ceb2
DSH		 644 {
645 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
646 goto end;
647 }
648
73758d43 649 if (req && add_nonce) OCSP_request_add1_nonce(req, NULL, -1);
5782ceb2
DSH		 650
651 if (signfile)
652 {
653 if (!keyfile) keyfile = signfile;
30b4c272
RL		 654 signer = load_cert(bio_err, signfile, FORMAT_PEM,
655 NULL, e, "signer certificate");
5782ceb2
DSH		 656 if (!signer)
657 {
658 BIO_printf(bio_err, "Error loading signer certificate\n");
659 goto end;
660 }
8c950429
DSH		 661 if (sign_certfile)
662 {
30b4c272
RL		 663 sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM,
664 NULL, e, "signer certificates");
8c950429
DSH		 665 if (!sign_other) goto end;
666 }
da9b9724 667 key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL,
30b4c272 668 "signer private key");
5782ceb2 669 if (!key)
5782ceb2 670 goto end;
8c950429 671 if (!OCSP_request_sign(req, signer, key, EVP_sha1(), sign_other, sign_flags))
5782ceb2
DSH		 672 {
673 BIO_printf(bio_err, "Error signing OCSP request\n");
674 goto end;
675 }
676 }
677
ee306a13
DSH		 678 if (req_text && req) OCSP_REQUEST_print(out, req, 0);
679
99889b46
DSH		 680 if (reqout)
681 {
682 derbio = BIO_new_file(reqout, "wb");
683 if(!derbio)
684 {
685 BIO_printf(bio_err, "Error opening file %s\n", reqout);
686 goto end;
687 }
688 i2d_OCSP_REQUEST_bio(derbio, req);
689 BIO_free(derbio);
690 }
691
ee306a13
DSH		 692 if (ridx_filename && (!rkey || !rsigner || !rca_cert))
693 {
694 BIO_printf(bio_err, "Need a responder certificate, key and CA for this operation!\n");
695 goto end;
696 }
5782ceb2 697
534a1ed0 698 if (ridx_filename && !rdb)
ee306a13
DSH		 699 {
700 BIO *db_bio = NULL;
701 db_bio = BIO_new_file(ridx_filename, "r");
702 if (!db_bio)
703 {
704 BIO_printf(bio_err, "Error opening index file %s\n", ridx_filename);
705 goto end;
706 }
707 rdb = TXT_DB_read(db_bio, DB_NUMBER);
708 BIO_free(db_bio);
709 if (!rdb)
710 {
711 BIO_printf(bio_err, "Error reading index file %s\n", ridx_filename);
712 goto end;
713 }
714 if (!make_serial_index(rdb))
715 goto end;
534a1ed0
DSH		 716 }
717
718 if (rdb)
719 {
ee306a13
DSH		 720 i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, rother, rflags, nmin, ndays);
721 if (cbio)
722 send_ocsp_response(cbio, resp);
723 }
724 else if (host)
5782ceb2 725 {
85d686e7 726#ifndef OPENSSL_NO_SOCK
5782ceb2 727 cbio = BIO_new_connect(host);
85d686e7
RL		 728#else
729 BIO_printf(bio_err, "Error creating connect BIO - sockets not supported.\n");
730 goto end;
731#endif
5782ceb2
DSH		 732 if (!cbio)
733 {
734 BIO_printf(bio_err, "Error creating connect BIO\n");
735 goto end;
736 }
67c18019 737 if (port) BIO_set_conn_port(cbio, port);
cdc7b8cc
DSH		 738 if (use_ssl == 1)
739 {
740 BIO *sbio;
e270cf9c 741#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
cdc7b8cc 742 ctx = SSL_CTX_new(SSLv23_client_method());
e270cf9c
RL		 743#elif !defined(OPENSSL_NO_SSL3)
744 ctx = SSL_CTX_new(SSLv3_client_method());
745#elif !defined(OPENSSL_NO_SSL2)
746 ctx = SSL_CTX_new(SSLv2_client_method());
747#else
748 BIO_printf(bio_err, "SSL is disabled\n");
749 goto end;
750#endif
cdc7b8cc
DSH		 751 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
752 sbio = BIO_new_ssl(ctx, 1);
753 cbio = BIO_push(sbio, cbio);
754 }
5782ceb2
DSH		 755 if (BIO_do_connect(cbio) <= 0)
756 {
757 BIO_printf(bio_err, "Error connecting BIO\n");
758 goto end;
759 }
760 resp = OCSP_sendreq_bio(cbio, path, req);
cdc7b8cc 761 BIO_free_all(cbio);
5782ceb2
DSH		 762 cbio = NULL;
763 if (!resp)
764 {
765 BIO_printf(bio_err, "Error querying OCSP responsder\n");
766 goto end;
767 }
768 }
769 else if (respin)
770 {
771 derbio = BIO_new_file(respin, "rb");
772 if (!derbio)
773 {
774 BIO_printf(bio_err, "Error Opening OCSP response file\n");
775 goto end;
776 }
777 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
778 BIO_free(derbio);
779 if(!resp)
780 {
781 BIO_printf(bio_err, "Error reading OCSP response\n");
782 goto end;
783 }
784
785 }
786 else
787 {
788 ret = 0;
789 goto end;
790 }
791
ee306a13
DSH		 792 done_resp:
793
5782ceb2
DSH		 794 if (respout)
795 {
796 derbio = BIO_new_file(respout, "wb");
797 if(!derbio)
798 {
799 BIO_printf(bio_err, "Error opening file %s\n", respout);
800 goto end;
801 }
802 i2d_OCSP_RESPONSE_bio(derbio, resp);
803 BIO_free(derbio);
804 }
805
73758d43
DSH		 806 i = OCSP_response_status(resp);
807
808 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL)
809 {
810 BIO_printf(out, "Responder Error: %s (%ld)\n",
811 OCSP_response_status_str(i), i);
812 ret = 0;
813 goto end;
814 }
815
5782ceb2
DSH		 816 if (resp_text) OCSP_RESPONSE_print(out, resp, 0);
817
ee306a13
DSH		 818 /* If running as responder don't verify our own response */
819 if (cbio)
534a1ed0
DSH		 820 {
821 if (accept_count > 0)
822 accept_count--;
823 /* Redo if more connections needed */
824 if (accept_count)
825 {
826 BIO_free_all(cbio);
827 cbio = NULL;
828 OCSP_REQUEST_free(req);
829 req = NULL;
830 OCSP_RESPONSE_free(resp);
831 resp = NULL;
832 goto redo_accept;
833 }
ee306a13 834 goto end;
534a1ed0 835 }
ee306a13 836
534a1ed0
DSH		 837 if (!store)
838 store = setup_verify(bio_err, CAfile, CApath);
99889b46
DSH		 839 if (!store)
840 goto end;
8c950429
DSH		 841 if (verify_certfile)
842 {
30b4c272
RL		 843 verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM,
844 NULL, e, "validator certificate");
8c950429
DSH		 845 if (!verify_other) goto end;
846 }
9235adbf 847
81f169e9
DSH		 848 bs = OCSP_response_get1_basic(resp);
849
73758d43
DSH		 850 if (!bs)
851 {
852 BIO_printf(bio_err, "Error parsing response\n");
853 goto end;
854 }
81f169e9 855
73758d43 856 if (!noverify)
81f169e9 857 {
46a58ab9 858 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0))
73758d43 859 {
46a58ab9
DSH		 860 if (i == -1)
861 BIO_printf(bio_err, "WARNING: no nonce in response\n");
862 else
863 {
864 BIO_printf(bio_err, "Nonce Verify error\n");
865 goto end;
866 }
73758d43
DSH		 867 }
868
8c950429 869 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
9235adbf 870 if (i < 0) i = OCSP_basic_verify(bs, NULL, store, 0);
73758d43
DSH		 871
872 if(i <= 0)
873 {
874 BIO_printf(bio_err, "Response Verify Failure\n", i);
875 ERR_print_errors(bio_err);
876 }
877 else
878 BIO_printf(bio_err, "Response verify OK\n");
879
81f169e9 880 }
73758d43 881
f1965221 882 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage))
73758d43 883 goto end;
81f169e9 884
5782ceb2
DSH		 885 ret = 0;
886
887end:
888 ERR_print_errors(bio_err);
889 X509_free(signer);
81f169e9 890 X509_STORE_free(store);
5782ceb2 891 EVP_PKEY_free(key);
ee306a13 892 EVP_PKEY_free(rkey);
5782ceb2
DSH		 893 X509_free(issuer);
894 X509_free(cert);
ee306a13
DSH		 895 X509_free(rsigner);
896 X509_free(rca_cert);
897 TXT_DB_free(rdb);
cdc7b8cc 898 BIO_free_all(cbio);
534a1ed0 899 BIO_free_all(acbio);
5782ceb2
DSH		 900 BIO_free(out);
901 OCSP_REQUEST_free(req);
902 OCSP_RESPONSE_free(resp);
81f169e9 903 OCSP_BASICRESP_free(bs);
73758d43
DSH		 904 sk_free(reqnames);
905 sk_OCSP_CERTID_free(ids);
8c950429
DSH		 906 sk_X509_pop_free(sign_other, X509_free);
907 sk_X509_pop_free(verify_other, X509_free);
5782ceb2 908
67c18019
DSH		 909 if (use_ssl != -1)
910 {
911 OPENSSL_free(host);
912 OPENSSL_free(port);
913 OPENSSL_free(path);
cdc7b8cc 914 SSL_CTX_free(ctx);
67c18019
DSH		 915 }
916
1c3e4a36 917 OPENSSL_EXIT(ret);
5782ceb2
DSH		 918}
919
73758d43
DSH		 920static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer,
921 STACK_OF(OCSP_CERTID) *ids)
5782ceb2
DSH		 922 {
923 OCSP_CERTID *id;
924 if(!issuer)
925 {
926 BIO_printf(bio_err, "No issuer certificate specified\n");
927 return 0;
928 }
929 if(!*req) *req = OCSP_REQUEST_new();
930 if(!*req) goto err;
931 id = OCSP_cert_to_id(NULL, cert, issuer);
73758d43 932 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err;
5782ceb2
DSH		 933 if(!OCSP_request_add0_id(*req, id)) goto err;
934 return 1;
935
936 err:
937 BIO_printf(bio_err, "Error Creating OCSP request\n");
938 return 0;
939 }
940
73758d43
DSH		 941static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer,
942 STACK_OF(OCSP_CERTID) *ids)
5782ceb2
DSH		 943 {
944 OCSP_CERTID *id;
945 X509_NAME *iname;
946 ASN1_BIT_STRING *ikey;
947 ASN1_INTEGER *sno;
948 if(!issuer)
949 {
950 BIO_printf(bio_err, "No issuer certificate specified\n");
951 return 0;
952 }
953 if(!*req) *req = OCSP_REQUEST_new();
954 if(!*req) goto err;
955 iname = X509_get_subject_name(issuer);
88ce56f8 956 ikey = X509_get0_pubkey_bitstr(issuer);
5782ceb2
DSH		 957 sno = s2i_ASN1_INTEGER(NULL, serial);
958 if(!sno)
959 {
960 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
961 return 0;
962 }
963 id = OCSP_cert_id_new(EVP_sha1(), iname, ikey, sno);
964 ASN1_INTEGER_free(sno);
73758d43 965 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err;
5782ceb2
DSH		 966 if(!OCSP_request_add0_id(*req, id)) goto err;
967 return 1;
968
969 err:
970 BIO_printf(bio_err, "Error Creating OCSP request\n");
971 return 0;
972 }
73758d43
DSH		 973
974static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
f1965221
DSH		 975 STACK *names, STACK_OF(OCSP_CERTID) *ids,
976 long nsec, long maxage)
73758d43
DSH		 977 {
978 OCSP_CERTID *id;
979 char *name;
980 int i;
981
982 int status, reason;
983
984 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
985
986 if (!bs || !req || !sk_num(names) || !sk_OCSP_CERTID_num(ids))
987 return 1;
988
989 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++)
990 {
991 id = sk_OCSP_CERTID_value(ids, i);
992 name = sk_value(names, i);
993 BIO_printf(out, "%s: ", name);
994
995 if(!OCSP_resp_find_status(bs, id, &status, &reason,
996 &rev, &thisupd, &nextupd))
997 {
998 BIO_puts(out, "ERROR: No Status found.\n");
999 continue;
1000 }
f1965221
DSH		 1001
1002 /* Check validity: if invalid write to output BIO so we
1003 * know which response this refers to.
1004 */
1005 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage))
1006 {
1007 BIO_puts(out, "WARNING: Status times invalid.\n");
1008 ERR_print_errors(out);
1009 }
73758d43
DSH		 1010 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
1011
1012 BIO_puts(out, "\tThis Update: ");
1013 ASN1_GENERALIZEDTIME_print(out, thisupd);
1014 BIO_puts(out, "\n");
1015
1016 if(nextupd)
1017 {
1018 BIO_puts(out, "\tNext Update: ");
569afce4 1019 ASN1_GENERALIZEDTIME_print(out, nextupd);
73758d43
DSH		 1020 BIO_puts(out, "\n");
1021 }
1022
1023 if (status != V_OCSP_CERTSTATUS_REVOKED)
1024 continue;
1025
8e8972bb 1026 if (reason != -1)
73758d43
DSH		 1027 BIO_printf(out, "\tReason: %s\n",
1028 OCSP_crl_reason_str(reason));
1029
1030 BIO_puts(out, "\tRevocation Time: ");
1031 ASN1_GENERALIZEDTIME_print(out, rev);
1032 BIO_puts(out, "\n");
1033 }
1034
1035 return 1;
1036 }
1037
ee306a13
DSH		 1038
1039static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, TXT_DB *db,
1040 X509 *ca, X509 *rcert, EVP_PKEY *rkey,
1041 STACK_OF(X509) *rother, unsigned long flags,
1042 int nmin, int ndays)
1043 {
1044 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
1045 OCSP_CERTID *cid, *ca_id = NULL;
1046 OCSP_BASICRESP *bs = NULL;
1047 int i, id_count, ret = 1;
1048
1049
1050 id_count = OCSP_request_onereq_count(req);
1051
1052 if (id_count <= 0)
1053 {
1054 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
1055 goto end;
1056 }
1057
1058 ca_id = OCSP_cert_to_id(EVP_sha1(), NULL, ca);
1059
1060 bs = OCSP_BASICRESP_new();
1061 thisupd = X509_gmtime_adj(NULL, 0);
1062 if (ndays != -1)
1063 nextupd = X509_gmtime_adj(NULL, nmin * 60 + ndays * 3600 * 24 );
1064
1065 /* Examine each certificate id in the request */
1066 for (i = 0; i < id_count; i++)
1067 {
1068 OCSP_ONEREQ *one;
1069 ASN1_INTEGER *serial;
1070 char **inf;
1071 one = OCSP_request_onereq_get0(req, i);
1072 cid = OCSP_onereq_get0_id(one);
1073 /* Is this request about our CA? */
1074 if (OCSP_id_issuer_cmp(ca_id, cid))
1075 {
1076 OCSP_basic_add1_status(bs, cid,
1077 V_OCSP_CERTSTATUS_UNKNOWN,
1078 0, NULL,
1079 thisupd, nextupd);
1080 continue;
1081 }
1082 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
1083 inf = lookup_serial(db, serial);
1084 if (!inf)
1085 OCSP_basic_add1_status(bs, cid,
1086 V_OCSP_CERTSTATUS_UNKNOWN,
1087 0, NULL,
1088 thisupd, nextupd);
1089 else if (inf[DB_type][0] == DB_TYPE_VAL)
1090 OCSP_basic_add1_status(bs, cid,
1091 V_OCSP_CERTSTATUS_GOOD,
1092 0, NULL,
1093 thisupd, nextupd);
1094 else if (inf[DB_type][0] == DB_TYPE_REV)
1095 {
1096 ASN1_OBJECT *inst = NULL;
1097 ASN1_TIME *revtm = NULL;
1098 ASN1_GENERALIZEDTIME *invtm = NULL;
1099 OCSP_SINGLERESP *single;
1100 int reason = -1;
1101 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
1102 single = OCSP_basic_add1_status(bs, cid,
1103 V_OCSP_CERTSTATUS_REVOKED,
1104 reason, revtm,
1105 thisupd, nextupd);
1106 if (invtm)
1107 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, invtm, 0, 0);
1108 else if (inst)
1109 OCSP_SINGLERESP_add1_ext_i2d(single, NID_hold_instruction_code, inst, 0, 0);
1110 ASN1_OBJECT_free(inst);
1111 ASN1_TIME_free(revtm);
1112 ASN1_GENERALIZEDTIME_free(invtm);
1113 }
1114 }
1115
1116 OCSP_copy_nonce(bs, req);
1117
1118 OCSP_basic_sign(bs, rcert, rkey, EVP_sha1(), rother, flags);
1119
1120 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
1121
1122 end:
1123 ASN1_TIME_free(thisupd);
1124 ASN1_TIME_free(nextupd);
1125 OCSP_CERTID_free(ca_id);
1126 OCSP_BASICRESP_free(bs);
1127 return ret;
1128
1129 }
1130
1131static char **lookup_serial(TXT_DB *db, ASN1_INTEGER *ser)
1132 {
1133 int i;
1134 BIGNUM *bn = NULL;
1135 char *itmp, *row[DB_NUMBER],**rrow;
1136 for (i = 0; i < DB_NUMBER; i++) row[i] = NULL;
1137 bn = ASN1_INTEGER_to_BN(ser,NULL);
2245cd87
RL		 1138 if (BN_is_zero(bn))
1139 itmp = BUF_strdup("00");
1140 else
1141 itmp = BN_bn2hex(bn);
ee306a13
DSH		 1142 row[DB_serial] = itmp;
1143 BN_free(bn);
1144 rrow=TXT_DB_get_by_index(db,DB_serial,row);
1145 OPENSSL_free(itmp);
1146 return rrow;
1147 }
1148
1149/* Quick and dirty OCSP server: read in and parse input request */
1150
534a1ed0 1151static BIO *init_responder(char *port)
ee306a13 1152 {
534a1ed0 1153 BIO *acbio = NULL, *bufbio = NULL;
ee306a13
DSH		 1154 bufbio = BIO_new(BIO_f_buffer());
1155 if (!bufbio)
1156 goto err;
85d686e7 1157#ifndef OPENSSL_NO_SOCK
ee306a13 1158 acbio = BIO_new_accept(port);
85d686e7
RL		 1159#else
1160 BIO_printf(bio_err, "Error setting up accept BIO - sockets not supported.\n");
1161#endif
ee306a13
DSH		 1162 if (!acbio)
1163 goto err;
1164 BIO_set_accept_bios(acbio, bufbio);
1165 bufbio = NULL;
1166
1167 if (BIO_do_accept(acbio) <= 0)
1168 {
1169 BIO_printf(bio_err, "Error setting up accept BIO\n");
1170 ERR_print_errors(bio_err);
1171 goto err;
1172 }
534a1ed0
DSH		 1173
1174 return acbio;
1175
1176 err:
1177 BIO_free_all(acbio);
1178 BIO_free(bufbio);
1179 return NULL;
1180 }
ee306a13 1181
534a1ed0
DSH		 1182static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port)
1183 {
1184 int have_post = 0, len;
1185 OCSP_REQUEST *req = NULL;
1186 char inbuf[1024];
1187 BIO *cbio = NULL;
ee306a13
DSH		 1188
1189 if (BIO_do_accept(acbio) <= 0)
1190 {
1191 BIO_printf(bio_err, "Error accepting connection\n");
1192 ERR_print_errors(bio_err);
534a1ed0 1193 return 0;
ee306a13
DSH		 1194 }
1195
ee306a13 1196 cbio = BIO_pop(acbio);
534a1ed0 1197 *pcbio = cbio;
ee306a13
DSH		 1198
1199 for(;;)
1200 {
54a656ef 1201 len = BIO_gets(cbio, inbuf, sizeof inbuf);
534a1ed0
DSH		 1202 if (len <= 0)
1203 return 1;
ee306a13
DSH		 1204 /* Look for "POST" signalling start of query */
1205 if (!have_post)
1206 {
1207 if(strncmp(inbuf, "POST", 4))
1208 {
1209 BIO_printf(bio_err, "Invalid request\n");
534a1ed0 1210 return 1;
ee306a13
DSH		 1211 }
1212 have_post = 1;
1213 }
1214 /* Look for end of headers */
1215 if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
1216 break;
1217 }
1218
1219 /* Try to read OCSP request */
1220
1221 req = d2i_OCSP_REQUEST_bio(cbio, NULL);
1222
ee306a13
DSH		 1223 if (!req)
1224 {
1225 BIO_printf(bio_err, "Error parsing OCSP request\n");
1226 ERR_print_errors(bio_err);
1227 }
1228
534a1ed0
DSH		 1229 *preq = req;
1230
1231 return 1;
ee306a13 1232
ee306a13
DSH		 1233 }
1234
1235static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
1236 {
1237 char http_resp[] =
1238 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1239 "Content-Length: %d\r\n\r\n";
1240 if (!cbio)
1241 return 0;
1242 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
1243 i2d_OCSP_RESPONSE_bio(cbio, resp);
1244 BIO_flush(cbio);
1245 return 1;
1246 }
1247
85d686e7 1248#endif
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