Import OpenSSL-1.0.1h.
[dragonfly.git] / crypto / openssl / apps / ocsp.c
CommitLineData
56276539 1/* ocsp.c */
730b1645 2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
56276539
SS
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 */
58#ifndef OPENSSL_NO_OCSP
919b01cc
PA
59
60#ifdef OPENSSL_SYS_VMS
61#define _XOPEN_SOURCE_EXTENDED /* So fd_set and friends get properly defined
62 on OpenVMS */
63#endif
64
2e6ca3d0 65#define USE_SOCKETS
919b01cc 66
56276539 67#include <stdio.h>
2e6ca3d0 68#include <stdlib.h>
56276539 69#include <string.h>
919b01cc 70#include <time.h>
2e6ca3d0
PA
71#include "apps.h" /* needs to be included before the openssl headers! */
72#include <openssl/e_os2.h>
919b01cc 73#include <openssl/crypto.h>
2e6ca3d0 74#include <openssl/err.h>
919b01cc
PA
75#include <openssl/ssl.h>
76#include <openssl/evp.h>
77#include <openssl/bn.h>
78#include <openssl/x509v3.h>
79
80#if defined(NETWARE_CLIB)
81# ifdef NETWARE_BSDSOCK
82# include <sys/socket.h>
83# include <sys/bsdskt.h>
84# else
85# include <novsock2.h>
86# endif
87#elif defined(NETWARE_LIBC)
88# ifdef NETWARE_BSDSOCK
89# include <sys/select.h>
90# else
91# include <novsock2.h>
92# endif
93#endif
94
56276539
SS
95/* Maximum leeway in validity period: default 5 minutes */
96#define MAX_VALIDITY_PERIOD (5 * 60)
97
919b01cc 98static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_md, X509 *issuer,
56276539 99 STACK_OF(OCSP_CERTID) *ids);
919b01cc 100static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, const EVP_MD * cert_id_md, X509 *issuer,
56276539
SS
101 STACK_OF(OCSP_CERTID) *ids);
102static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
919b01cc
PA
103 STACK_OF(OPENSSL_STRING) *names,
104 STACK_OF(OCSP_CERTID) *ids, long nsec,
105 long maxage);
56276539
SS
106
107static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db,
108 X509 *ca, X509 *rcert, EVP_PKEY *rkey,
109 STACK_OF(X509) *rother, unsigned long flags,
110 int nmin, int ndays);
111
112static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
113static BIO *init_responder(char *port);
114static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port);
115static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
2e6ca3d0 116static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path,
919b01cc 117 STACK_OF(CONF_VALUE) *headers,
2e6ca3d0 118 OCSP_REQUEST *req, int req_timeout);
56276539
SS
119
120#undef PROG
121#define PROG ocsp_main
122
123int MAIN(int, char **);
124
125int MAIN(int argc, char **argv)
126 {
127 ENGINE *e = NULL;
128 char **args;
129 char *host = NULL, *port = NULL, *path = "/";
4bb195ec 130 char *thost = NULL, *tport = NULL, *tpath = NULL;
56276539
SS
131 char *reqin = NULL, *respin = NULL;
132 char *reqout = NULL, *respout = NULL;
133 char *signfile = NULL, *keyfile = NULL;
134 char *rsignfile = NULL, *rkeyfile = NULL;
135 char *outfile = NULL;
136 int add_nonce = 1, noverify = 0, use_ssl = -1;
919b01cc 137 STACK_OF(CONF_VALUE) *headers = NULL;
56276539
SS
138 OCSP_REQUEST *req = NULL;
139 OCSP_RESPONSE *resp = NULL;
140 OCSP_BASICRESP *bs = NULL;
141 X509 *issuer = NULL, *cert = NULL;
142 X509 *signer = NULL, *rsigner = NULL;
143 EVP_PKEY *key = NULL, *rkey = NULL;
144 BIO *acbio = NULL, *cbio = NULL;
145 BIO *derbio = NULL;
146 BIO *out = NULL;
2e6ca3d0 147 int req_timeout = -1;
56276539
SS
148 int req_text = 0, resp_text = 0;
149 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
150 char *CAfile = NULL, *CApath = NULL;
151 X509_STORE *store = NULL;
56276539
SS
152 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
153 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
154 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
155 int ret = 1;
156 int accept_count = -1;
157 int badarg = 0;
158 int i;
159 int ignore_err = 0;
919b01cc 160 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
56276539
SS
161 STACK_OF(OCSP_CERTID) *ids = NULL;
162
163 X509 *rca_cert = NULL;
164 char *ridx_filename = NULL;
165 char *rca_filename = NULL;
166 CA_DB *rdb = NULL;
167 int nmin = 0, ndays = -1;
919b01cc 168 const EVP_MD *cert_id_md = NULL;
56276539
SS
169
170 if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
171
172 if (!load_config(bio_err, NULL))
173 goto end;
174 SSL_load_error_strings();
e40c9513 175 OpenSSL_add_ssl_algorithms();
56276539 176 args = argv + 1;
919b01cc 177 reqnames = sk_OPENSSL_STRING_new_null();
56276539
SS
178 ids = sk_OCSP_CERTID_new_null();
179 while (!badarg && *args && *args[0] == '-')
180 {
181 if (!strcmp(*args, "-out"))
182 {
183 if (args[1])
184 {
185 args++;
186 outfile = *args;
187 }
188 else badarg = 1;
189 }
2e6ca3d0
PA
190 else if (!strcmp(*args, "-timeout"))
191 {
192 if (args[1])
193 {
194 args++;
195 req_timeout = atol(*args);
196 if (req_timeout < 0)
197 {
198 BIO_printf(bio_err,
199 "Illegal timeout value %s\n",
200 *args);
201 badarg = 1;
202 }
203 }
204 else badarg = 1;
205 }
56276539
SS
206 else if (!strcmp(*args, "-url"))
207 {
4bb195ec
SW
208 if (thost)
209 OPENSSL_free(thost);
210 if (tport)
211 OPENSSL_free(tport);
212 if (tpath)
213 OPENSSL_free(tpath);
56276539
SS
214 if (args[1])
215 {
216 args++;
217 if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl))
218 {
219 BIO_printf(bio_err, "Error parsing URL\n");
220 badarg = 1;
221 }
4bb195ec
SW
222 thost = host;
223 tport = port;
224 tpath = path;
56276539
SS
225 }
226 else badarg = 1;
227 }
228 else if (!strcmp(*args, "-host"))
229 {
230 if (args[1])
231 {
232 args++;
233 host = *args;
234 }
235 else badarg = 1;
236 }
237 else if (!strcmp(*args, "-port"))
238 {
239 if (args[1])
240 {
241 args++;
242 port = *args;
243 }
244 else badarg = 1;
245 }
919b01cc
PA
246 else if (!strcmp(*args, "-header"))
247 {
248 if (args[1] && args[2])
249 {
250 if (!X509V3_add_value(args[1], args[2], &headers))
251 goto end;
252 args += 2;
253 }
254 else badarg = 1;
255 }
56276539
SS
256 else if (!strcmp(*args, "-ignore_err"))
257 ignore_err = 1;
258 else if (!strcmp(*args, "-noverify"))
259 noverify = 1;
260 else if (!strcmp(*args, "-nonce"))
261 add_nonce = 2;
262 else if (!strcmp(*args, "-no_nonce"))
263 add_nonce = 0;
264 else if (!strcmp(*args, "-resp_no_certs"))
265 rflags |= OCSP_NOCERTS;
266 else if (!strcmp(*args, "-resp_key_id"))
267 rflags |= OCSP_RESPID_KEY;
268 else if (!strcmp(*args, "-no_certs"))
269 sign_flags |= OCSP_NOCERTS;
270 else if (!strcmp(*args, "-no_signature_verify"))
271 verify_flags |= OCSP_NOSIGS;
272 else if (!strcmp(*args, "-no_cert_verify"))
273 verify_flags |= OCSP_NOVERIFY;
274 else if (!strcmp(*args, "-no_chain"))
275 verify_flags |= OCSP_NOCHAIN;
276 else if (!strcmp(*args, "-no_cert_checks"))
277 verify_flags |= OCSP_NOCHECKS;
278 else if (!strcmp(*args, "-no_explicit"))
279 verify_flags |= OCSP_NOEXPLICIT;
280 else if (!strcmp(*args, "-trust_other"))
281 verify_flags |= OCSP_TRUSTOTHER;
282 else if (!strcmp(*args, "-no_intern"))
283 verify_flags |= OCSP_NOINTERN;
284 else if (!strcmp(*args, "-text"))
285 {
286 req_text = 1;
287 resp_text = 1;
288 }
289 else if (!strcmp(*args, "-req_text"))
290 req_text = 1;
291 else if (!strcmp(*args, "-resp_text"))
292 resp_text = 1;
293 else if (!strcmp(*args, "-reqin"))
294 {
295 if (args[1])
296 {
297 args++;
298 reqin = *args;
299 }
300 else badarg = 1;
301 }
302 else if (!strcmp(*args, "-respin"))
303 {
304 if (args[1])
305 {
306 args++;
307 respin = *args;
308 }
309 else badarg = 1;
310 }
311 else if (!strcmp(*args, "-signer"))
312 {
313 if (args[1])
314 {
315 args++;
316 signfile = *args;
317 }
318 else badarg = 1;
319 }
320 else if (!strcmp (*args, "-VAfile"))
321 {
322 if (args[1])
323 {
324 args++;
325 verify_certfile = *args;
326 verify_flags |= OCSP_TRUSTOTHER;
327 }
328 else badarg = 1;
329 }
330 else if (!strcmp(*args, "-sign_other"))
331 {
332 if (args[1])
333 {
334 args++;
335 sign_certfile = *args;
336 }
337 else badarg = 1;
338 }
339 else if (!strcmp(*args, "-verify_other"))
340 {
341 if (args[1])
342 {
343 args++;
344 verify_certfile = *args;
345 }
346 else badarg = 1;
347 }
348 else if (!strcmp (*args, "-CAfile"))
349 {
350 if (args[1])
351 {
352 args++;
353 CAfile = *args;
354 }
355 else badarg = 1;
356 }
357 else if (!strcmp (*args, "-CApath"))
358 {
359 if (args[1])
360 {
361 args++;
362 CApath = *args;
363 }
364 else badarg = 1;
365 }
366 else if (!strcmp (*args, "-validity_period"))
367 {
368 if (args[1])
369 {
370 args++;
371 nsec = atol(*args);
372 if (nsec < 0)
373 {
374 BIO_printf(bio_err,
375 "Illegal validity period %s\n",
376 *args);
377 badarg = 1;
378 }
379 }
380 else badarg = 1;
381 }
382 else if (!strcmp (*args, "-status_age"))
383 {
384 if (args[1])
385 {
386 args++;
387 maxage = atol(*args);
388 if (maxage < 0)
389 {
390 BIO_printf(bio_err,
391 "Illegal validity age %s\n",
392 *args);
393 badarg = 1;
394 }
395 }
396 else badarg = 1;
397 }
398 else if (!strcmp(*args, "-signkey"))
399 {
400 if (args[1])
401 {
402 args++;
403 keyfile = *args;
404 }
405 else badarg = 1;
406 }
407 else if (!strcmp(*args, "-reqout"))
408 {
409 if (args[1])
410 {
411 args++;
412 reqout = *args;
413 }
414 else badarg = 1;
415 }
416 else if (!strcmp(*args, "-respout"))
417 {
418 if (args[1])
419 {
420 args++;
421 respout = *args;
422 }
423 else badarg = 1;
424 }
425 else if (!strcmp(*args, "-path"))
426 {
427 if (args[1])
428 {
429 args++;
430 path = *args;
431 }
432 else badarg = 1;
433 }
434 else if (!strcmp(*args, "-issuer"))
435 {
436 if (args[1])
437 {
438 args++;
439 X509_free(issuer);
440 issuer = load_cert(bio_err, *args, FORMAT_PEM,
441 NULL, e, "issuer certificate");
442 if(!issuer) goto end;
443 }
444 else badarg = 1;
445 }
446 else if (!strcmp (*args, "-cert"))
447 {
448 if (args[1])
449 {
450 args++;
451 X509_free(cert);
452 cert = load_cert(bio_err, *args, FORMAT_PEM,
453 NULL, e, "certificate");
454 if(!cert) goto end;
919b01cc
PA
455 if (!cert_id_md) cert_id_md = EVP_sha1();
456 if(!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
56276539 457 goto end;
919b01cc 458 if(!sk_OPENSSL_STRING_push(reqnames, *args))
56276539
SS
459 goto end;
460 }
461 else badarg = 1;
462 }
463 else if (!strcmp(*args, "-serial"))
464 {
465 if (args[1])
466 {
467 args++;
919b01cc
PA
468 if (!cert_id_md) cert_id_md = EVP_sha1();
469 if(!add_ocsp_serial(&req, *args, cert_id_md, issuer, ids))
56276539 470 goto end;
919b01cc 471 if(!sk_OPENSSL_STRING_push(reqnames, *args))
56276539
SS
472 goto end;
473 }
474 else badarg = 1;
475 }
476 else if (!strcmp(*args, "-index"))
477 {
478 if (args[1])
479 {
480 args++;
481 ridx_filename = *args;
482 }
483 else badarg = 1;
484 }
485 else if (!strcmp(*args, "-CA"))
486 {
487 if (args[1])
488 {
489 args++;
490 rca_filename = *args;
491 }
492 else badarg = 1;
493 }
494 else if (!strcmp (*args, "-nmin"))
495 {
496 if (args[1])
497 {
498 args++;
499 nmin = atol(*args);
500 if (nmin < 0)
501 {
502 BIO_printf(bio_err,
503 "Illegal update period %s\n",
504 *args);
505 badarg = 1;
506 }
507 }
508 if (ndays == -1)
509 ndays = 0;
510 else badarg = 1;
511 }
512 else if (!strcmp (*args, "-nrequest"))
513 {
514 if (args[1])
515 {
516 args++;
517 accept_count = atol(*args);
518 if (accept_count < 0)
519 {
520 BIO_printf(bio_err,
521 "Illegal accept count %s\n",
522 *args);
523 badarg = 1;
524 }
525 }
526 else badarg = 1;
527 }
528 else if (!strcmp (*args, "-ndays"))
529 {
530 if (args[1])
531 {
532 args++;
533 ndays = atol(*args);
534 if (ndays < 0)
535 {
536 BIO_printf(bio_err,
537 "Illegal update period %s\n",
538 *args);
539 badarg = 1;
540 }
541 }
542 else badarg = 1;
543 }
544 else if (!strcmp(*args, "-rsigner"))
545 {
546 if (args[1])
547 {
548 args++;
549 rsignfile = *args;
550 }
551 else badarg = 1;
552 }
553 else if (!strcmp(*args, "-rkey"))
554 {
555 if (args[1])
556 {
557 args++;
558 rkeyfile = *args;
559 }
560 else badarg = 1;
561 }
562 else if (!strcmp(*args, "-rother"))
563 {
564 if (args[1])
565 {
566 args++;
567 rcertfile = *args;
568 }
569 else badarg = 1;
570 }
919b01cc
PA
571 else if ((cert_id_md = EVP_get_digestbyname((*args)+1))==NULL)
572 {
573 badarg = 1;
574 }
56276539
SS
575 args++;
576 }
577
578 /* Have we anything to do? */
579 if (!req && !reqin && !respin && !(port && ridx_filename)) badarg = 1;
580
581 if (badarg)
582 {
583 BIO_printf (bio_err, "OCSP utility\n");
584 BIO_printf (bio_err, "Usage ocsp [options]\n");
585 BIO_printf (bio_err, "where options are\n");
586 BIO_printf (bio_err, "-out file output filename\n");
587 BIO_printf (bio_err, "-issuer file issuer certificate\n");
588 BIO_printf (bio_err, "-cert file certificate to check\n");
589 BIO_printf (bio_err, "-serial n serial number to check\n");
590 BIO_printf (bio_err, "-signer file certificate to sign OCSP request with\n");
591 BIO_printf (bio_err, "-signkey file private key to sign OCSP request with\n");
592 BIO_printf (bio_err, "-sign_other file additional certificates to include in signed request\n");
593 BIO_printf (bio_err, "-no_certs don't include any certificates in signed request\n");
594 BIO_printf (bio_err, "-req_text print text form of request\n");
595 BIO_printf (bio_err, "-resp_text print text form of response\n");
596 BIO_printf (bio_err, "-text print text form of request and response\n");
597 BIO_printf (bio_err, "-reqout file write DER encoded OCSP request to \"file\"\n");
598 BIO_printf (bio_err, "-respout file write DER encoded OCSP reponse to \"file\"\n");
599 BIO_printf (bio_err, "-reqin file read DER encoded OCSP request from \"file\"\n");
600 BIO_printf (bio_err, "-respin file read DER encoded OCSP reponse from \"file\"\n");
601 BIO_printf (bio_err, "-nonce add OCSP nonce to request\n");
602 BIO_printf (bio_err, "-no_nonce don't add OCSP nonce to request\n");
603 BIO_printf (bio_err, "-url URL OCSP responder URL\n");
604 BIO_printf (bio_err, "-host host:n send OCSP request to host on port n\n");
605 BIO_printf (bio_err, "-path path to use in OCSP request\n");
606 BIO_printf (bio_err, "-CApath dir trusted certificates directory\n");
607 BIO_printf (bio_err, "-CAfile file trusted certificates file\n");
608 BIO_printf (bio_err, "-VAfile file validator certificates file\n");
609 BIO_printf (bio_err, "-validity_period n maximum validity discrepancy in seconds\n");
610 BIO_printf (bio_err, "-status_age n maximum status age in seconds\n");
611 BIO_printf (bio_err, "-noverify don't verify response at all\n");
612 BIO_printf (bio_err, "-verify_other file additional certificates to search for signer\n");
613 BIO_printf (bio_err, "-trust_other don't verify additional certificates\n");
614 BIO_printf (bio_err, "-no_intern don't search certificates contained in response for signer\n");
615 BIO_printf (bio_err, "-no_signature_verify don't check signature on response\n");
616 BIO_printf (bio_err, "-no_cert_verify don't check signing certificate\n");
617 BIO_printf (bio_err, "-no_chain don't chain verify response\n");
618 BIO_printf (bio_err, "-no_cert_checks don't do additional checks on signing certificate\n");
619 BIO_printf (bio_err, "-port num port to run responder on\n");
620 BIO_printf (bio_err, "-index file certificate status index file\n");
621 BIO_printf (bio_err, "-CA file CA certificate\n");
622 BIO_printf (bio_err, "-rsigner file responder certificate to sign responses with\n");
623 BIO_printf (bio_err, "-rkey file responder key to sign responses with\n");
624 BIO_printf (bio_err, "-rother file other certificates to include in response\n");
625 BIO_printf (bio_err, "-resp_no_certs don't include any certificates in response\n");
626 BIO_printf (bio_err, "-nmin n number of minutes before next update\n");
627 BIO_printf (bio_err, "-ndays n number of days before next update\n");
628 BIO_printf (bio_err, "-resp_key_id identify reponse by signing certificate key ID\n");
629 BIO_printf (bio_err, "-nrequest n number of requests to accept (default unlimited)\n");
9bb344e0 630 BIO_printf (bio_err, "-<dgst alg> use specified digest in the request\n");
56276539
SS
631 goto end;
632 }
633
634 if(outfile) out = BIO_new_file(outfile, "w");
635 else out = BIO_new_fp(stdout, BIO_NOCLOSE);
636
637 if(!out)
638 {
639 BIO_printf(bio_err, "Error opening output file\n");
640 goto end;
641 }
642
643 if (!req && (add_nonce != 2)) add_nonce = 0;
644
645 if (!req && reqin)
646 {
647 derbio = BIO_new_file(reqin, "rb");
648 if (!derbio)
649 {
650 BIO_printf(bio_err, "Error Opening OCSP request file\n");
651 goto end;
652 }
653 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
654 BIO_free(derbio);
655 if(!req)
656 {
657 BIO_printf(bio_err, "Error reading OCSP request\n");
658 goto end;
659 }
660 }
661
662 if (!req && port)
663 {
664 acbio = init_responder(port);
665 if (!acbio)
666 goto end;
667 }
668
669 if (rsignfile && !rdb)
670 {
671 if (!rkeyfile) rkeyfile = rsignfile;
672 rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM,
673 NULL, e, "responder certificate");
674 if (!rsigner)
675 {
676 BIO_printf(bio_err, "Error loading responder certificate\n");
677 goto end;
678 }
679 rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM,
680 NULL, e, "CA certificate");
681 if (rcertfile)
682 {
683 rother = load_certs(bio_err, rcertfile, FORMAT_PEM,
684 NULL, e, "responder other certificates");
685 if (!rother) goto end;
686 }
687 rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL,
688 "responder private key");
689 if (!rkey)
690 goto end;
691 }
692 if(acbio)
693 BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
694
695 redo_accept:
696
697 if (acbio)
698 {
699 if (!do_responder(&req, &cbio, acbio, port))
700 goto end;
701 if (!req)
702 {
703 resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
704 send_ocsp_response(cbio, resp);
705 goto done_resp;
706 }
707 }
708
709 if (!req && (signfile || reqout || host || add_nonce || ridx_filename))
710 {
711 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
712 goto end;
713 }
714
715 if (req && add_nonce) OCSP_request_add1_nonce(req, NULL, -1);
716
717 if (signfile)
718 {
719 if (!keyfile) keyfile = signfile;
720 signer = load_cert(bio_err, signfile, FORMAT_PEM,
721 NULL, e, "signer certificate");
722 if (!signer)
723 {
724 BIO_printf(bio_err, "Error loading signer certificate\n");
725 goto end;
726 }
727 if (sign_certfile)
728 {
729 sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM,
730 NULL, e, "signer certificates");
731 if (!sign_other) goto end;
732 }
733 key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL,
734 "signer private key");
735 if (!key)
736 goto end;
919b01cc
PA
737
738 if (!OCSP_request_sign(req, signer, key, NULL, sign_other, sign_flags))
56276539
SS
739 {
740 BIO_printf(bio_err, "Error signing OCSP request\n");
741 goto end;
742 }
743 }
744
745 if (req_text && req) OCSP_REQUEST_print(out, req, 0);
746
747 if (reqout)
748 {
749 derbio = BIO_new_file(reqout, "wb");
750 if(!derbio)
751 {
752 BIO_printf(bio_err, "Error opening file %s\n", reqout);
753 goto end;
754 }
755 i2d_OCSP_REQUEST_bio(derbio, req);
756 BIO_free(derbio);
757 }
758
759 if (ridx_filename && (!rkey || !rsigner || !rca_cert))
760 {
761 BIO_printf(bio_err, "Need a responder certificate, key and CA for this operation!\n");
762 goto end;
763 }
764
765 if (ridx_filename && !rdb)
766 {
767 rdb = load_index(ridx_filename, NULL);
768 if (!rdb) goto end;
769 if (!index_index(rdb)) goto end;
770 }
771
772 if (rdb)
773 {
774 i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, rother, rflags, nmin, ndays);
775 if (cbio)
776 send_ocsp_response(cbio, resp);
777 }
778 else if (host)
779 {
780#ifndef OPENSSL_NO_SOCK
2e6ca3d0 781 resp = process_responder(bio_err, req, host, path,
919b01cc 782 port, use_ssl, headers, req_timeout);
2e6ca3d0
PA
783 if (!resp)
784 goto end;
56276539
SS
785#else
786 BIO_printf(bio_err, "Error creating connect BIO - sockets not supported.\n");
787 goto end;
788#endif
56276539
SS
789 }
790 else if (respin)
791 {
792 derbio = BIO_new_file(respin, "rb");
793 if (!derbio)
794 {
795 BIO_printf(bio_err, "Error Opening OCSP response file\n");
796 goto end;
797 }
798 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
799 BIO_free(derbio);
800 if(!resp)
801 {
802 BIO_printf(bio_err, "Error reading OCSP response\n");
803 goto end;
804 }
805
806 }
807 else
808 {
809 ret = 0;
810 goto end;
811 }
812
813 done_resp:
814
815 if (respout)
816 {
817 derbio = BIO_new_file(respout, "wb");
818 if(!derbio)
819 {
820 BIO_printf(bio_err, "Error opening file %s\n", respout);
821 goto end;
822 }
823 i2d_OCSP_RESPONSE_bio(derbio, resp);
824 BIO_free(derbio);
825 }
826
827 i = OCSP_response_status(resp);
828
829 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL)
830 {
831 BIO_printf(out, "Responder Error: %s (%d)\n",
832 OCSP_response_status_str(i), i);
833 if (ignore_err)
834 goto redo_accept;
835 ret = 0;
836 goto end;
837 }
838
839 if (resp_text) OCSP_RESPONSE_print(out, resp, 0);
840
841 /* If running as responder don't verify our own response */
842 if (cbio)
843 {
844 if (accept_count > 0)
845 accept_count--;
846 /* Redo if more connections needed */
847 if (accept_count)
848 {
849 BIO_free_all(cbio);
850 cbio = NULL;
851 OCSP_REQUEST_free(req);
852 req = NULL;
853 OCSP_RESPONSE_free(resp);
854 resp = NULL;
855 goto redo_accept;
856 }
857 goto end;
858 }
859
860 if (!store)
861 store = setup_verify(bio_err, CAfile, CApath);
862 if (!store)
863 goto end;
864 if (verify_certfile)
865 {
866 verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM,
867 NULL, e, "validator certificate");
868 if (!verify_other) goto end;
869 }
870
871 bs = OCSP_response_get1_basic(resp);
872
873 if (!bs)
874 {
875 BIO_printf(bio_err, "Error parsing response\n");
876 goto end;
877 }
878
879 if (!noverify)
880 {
881 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0))
882 {
883 if (i == -1)
884 BIO_printf(bio_err, "WARNING: no nonce in response\n");
885 else
886 {
887 BIO_printf(bio_err, "Nonce Verify error\n");
888 goto end;
889 }
890 }
891
892 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
893 if (i < 0) i = OCSP_basic_verify(bs, NULL, store, 0);
894
895 if(i <= 0)
896 {
897 BIO_printf(bio_err, "Response Verify Failure\n");
898 ERR_print_errors(bio_err);
899 }
900 else
901 BIO_printf(bio_err, "Response verify OK\n");
902
903 }
904
905 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage))
906 goto end;
907
908 ret = 0;
909
910end:
911 ERR_print_errors(bio_err);
912 X509_free(signer);
913 X509_STORE_free(store);
914 EVP_PKEY_free(key);
915 EVP_PKEY_free(rkey);
916 X509_free(issuer);
917 X509_free(cert);
918 X509_free(rsigner);
919 X509_free(rca_cert);
920 free_index(rdb);
921 BIO_free_all(cbio);
922 BIO_free_all(acbio);
923 BIO_free(out);
924 OCSP_REQUEST_free(req);
925 OCSP_RESPONSE_free(resp);
926 OCSP_BASICRESP_free(bs);
919b01cc 927 sk_OPENSSL_STRING_free(reqnames);
56276539
SS
928 sk_OCSP_CERTID_free(ids);
929 sk_X509_pop_free(sign_other, X509_free);
930 sk_X509_pop_free(verify_other, X509_free);
919b01cc 931 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
56276539 932
4bb195ec
SW
933 if (thost)
934 OPENSSL_free(thost);
935 if (tport)
936 OPENSSL_free(tport);
937 if (tpath)
938 OPENSSL_free(tpath);
56276539
SS
939
940 OPENSSL_EXIT(ret);
941}
942
919b01cc 943static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_md,X509 *issuer,
56276539
SS
944 STACK_OF(OCSP_CERTID) *ids)
945 {
946 OCSP_CERTID *id;
947 if(!issuer)
948 {
949 BIO_printf(bio_err, "No issuer certificate specified\n");
950 return 0;
951 }
952 if(!*req) *req = OCSP_REQUEST_new();
953 if(!*req) goto err;
919b01cc 954 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
56276539
SS
955 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err;
956 if(!OCSP_request_add0_id(*req, id)) goto err;
957 return 1;
958
959 err:
960 BIO_printf(bio_err, "Error Creating OCSP request\n");
961 return 0;
962 }
963
919b01cc 964static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,const EVP_MD *cert_id_md, X509 *issuer,
56276539
SS
965 STACK_OF(OCSP_CERTID) *ids)
966 {
967 OCSP_CERTID *id;
968 X509_NAME *iname;
969 ASN1_BIT_STRING *ikey;
970 ASN1_INTEGER *sno;
971 if(!issuer)
972 {
973 BIO_printf(bio_err, "No issuer certificate specified\n");
974 return 0;
975 }
976 if(!*req) *req = OCSP_REQUEST_new();
977 if(!*req) goto err;
978 iname = X509_get_subject_name(issuer);
979 ikey = X509_get0_pubkey_bitstr(issuer);
980 sno = s2i_ASN1_INTEGER(NULL, serial);
981 if(!sno)
982 {
983 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
984 return 0;
985 }
919b01cc 986 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
56276539
SS
987 ASN1_INTEGER_free(sno);
988 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err;
989 if(!OCSP_request_add0_id(*req, id)) goto err;
990 return 1;
991
992 err:
993 BIO_printf(bio_err, "Error Creating OCSP request\n");
994 return 0;
995 }
996
997static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
919b01cc
PA
998 STACK_OF(OPENSSL_STRING) *names,
999 STACK_OF(OCSP_CERTID) *ids, long nsec,
1000 long maxage)
56276539
SS
1001 {
1002 OCSP_CERTID *id;
1003 char *name;
1004 int i;
1005
1006 int status, reason;
1007
1008 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
1009
919b01cc 1010 if (!bs || !req || !sk_OPENSSL_STRING_num(names) || !sk_OCSP_CERTID_num(ids))
56276539
SS
1011 return 1;
1012
1013 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++)
1014 {
1015 id = sk_OCSP_CERTID_value(ids, i);
919b01cc 1016 name = sk_OPENSSL_STRING_value(names, i);
56276539
SS
1017 BIO_printf(out, "%s: ", name);
1018
1019 if(!OCSP_resp_find_status(bs, id, &status, &reason,
1020 &rev, &thisupd, &nextupd))
1021 {
1022 BIO_puts(out, "ERROR: No Status found.\n");
1023 continue;
1024 }
1025
1026 /* Check validity: if invalid write to output BIO so we
1027 * know which response this refers to.
1028 */
1029 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage))
1030 {
1031 BIO_puts(out, "WARNING: Status times invalid.\n");
1032 ERR_print_errors(out);
1033 }
1034 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
1035
1036 BIO_puts(out, "\tThis Update: ");
1037 ASN1_GENERALIZEDTIME_print(out, thisupd);
1038 BIO_puts(out, "\n");
1039
1040 if(nextupd)
1041 {
1042 BIO_puts(out, "\tNext Update: ");
1043 ASN1_GENERALIZEDTIME_print(out, nextupd);
1044 BIO_puts(out, "\n");
1045 }
1046
1047 if (status != V_OCSP_CERTSTATUS_REVOKED)
1048 continue;
1049
1050 if (reason != -1)
1051 BIO_printf(out, "\tReason: %s\n",
1052 OCSP_crl_reason_str(reason));
1053
1054 BIO_puts(out, "\tRevocation Time: ");
1055 ASN1_GENERALIZEDTIME_print(out, rev);
1056 BIO_puts(out, "\n");
1057 }
1058
1059 return 1;
1060 }
1061
1062
1063static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db,
1064 X509 *ca, X509 *rcert, EVP_PKEY *rkey,
1065 STACK_OF(X509) *rother, unsigned long flags,
1066 int nmin, int ndays)
1067 {
1068 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
1069 OCSP_CERTID *cid, *ca_id = NULL;
1070 OCSP_BASICRESP *bs = NULL;
1071 int i, id_count, ret = 1;
1072
56276539
SS
1073 id_count = OCSP_request_onereq_count(req);
1074
1075 if (id_count <= 0)
1076 {
1077 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
1078 goto end;
1079 }
1080
56276539
SS
1081
1082 bs = OCSP_BASICRESP_new();
1083 thisupd = X509_gmtime_adj(NULL, 0);
1084 if (ndays != -1)
1085 nextupd = X509_gmtime_adj(NULL, nmin * 60 + ndays * 3600 * 24 );
1086
1087 /* Examine each certificate id in the request */
1088 for (i = 0; i < id_count; i++)
1089 {
1090 OCSP_ONEREQ *one;
1091 ASN1_INTEGER *serial;
1092 char **inf;
919b01cc
PA
1093 ASN1_OBJECT *cert_id_md_oid;
1094 const EVP_MD *cert_id_md;
56276539
SS
1095 one = OCSP_request_onereq_get0(req, i);
1096 cid = OCSP_onereq_get0_id(one);
919b01cc
PA
1097
1098 OCSP_id_get0_info(NULL,&cert_id_md_oid, NULL,NULL, cid);
1099
1100 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
1101 if (! cert_id_md)
1102 {
1103 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
1104 NULL);
1105 goto end;
1106 }
1107 if (ca_id) OCSP_CERTID_free(ca_id);
1108 ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca);
1109
56276539
SS
1110 /* Is this request about our CA? */
1111 if (OCSP_id_issuer_cmp(ca_id, cid))
1112 {
1113 OCSP_basic_add1_status(bs, cid,
1114 V_OCSP_CERTSTATUS_UNKNOWN,
1115 0, NULL,
1116 thisupd, nextupd);
1117 continue;
1118 }
1119 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
1120 inf = lookup_serial(db, serial);
1121 if (!inf)
1122 OCSP_basic_add1_status(bs, cid,
1123 V_OCSP_CERTSTATUS_UNKNOWN,
1124 0, NULL,
1125 thisupd, nextupd);
1126 else if (inf[DB_type][0] == DB_TYPE_VAL)
1127 OCSP_basic_add1_status(bs, cid,
1128 V_OCSP_CERTSTATUS_GOOD,
1129 0, NULL,
1130 thisupd, nextupd);
1131 else if (inf[DB_type][0] == DB_TYPE_REV)
1132 {
1133 ASN1_OBJECT *inst = NULL;
1134 ASN1_TIME *revtm = NULL;
1135 ASN1_GENERALIZEDTIME *invtm = NULL;
1136 OCSP_SINGLERESP *single;
1137 int reason = -1;
1138 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
1139 single = OCSP_basic_add1_status(bs, cid,
1140 V_OCSP_CERTSTATUS_REVOKED,
1141 reason, revtm,
1142 thisupd, nextupd);
1143 if (invtm)
1144 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, invtm, 0, 0);
1145 else if (inst)
1146 OCSP_SINGLERESP_add1_ext_i2d(single, NID_hold_instruction_code, inst, 0, 0);
1147 ASN1_OBJECT_free(inst);
1148 ASN1_TIME_free(revtm);
1149 ASN1_GENERALIZEDTIME_free(invtm);
1150 }
1151 }
1152
1153 OCSP_copy_nonce(bs, req);
919b01cc
PA
1154
1155 OCSP_basic_sign(bs, rcert, rkey, NULL, rother, flags);
56276539
SS
1156
1157 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
1158
1159 end:
1160 ASN1_TIME_free(thisupd);
1161 ASN1_TIME_free(nextupd);
1162 OCSP_CERTID_free(ca_id);
1163 OCSP_BASICRESP_free(bs);
1164 return ret;
1165
1166 }
1167
1168static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
1169 {
1170 int i;
1171 BIGNUM *bn = NULL;
1172 char *itmp, *row[DB_NUMBER],**rrow;
1173 for (i = 0; i < DB_NUMBER; i++) row[i] = NULL;
1174 bn = ASN1_INTEGER_to_BN(ser,NULL);
2e6ca3d0 1175 OPENSSL_assert(bn); /* FIXME: should report an error at this point and abort */
56276539
SS
1176 if (BN_is_zero(bn))
1177 itmp = BUF_strdup("00");
1178 else
1179 itmp = BN_bn2hex(bn);
1180 row[DB_serial] = itmp;
1181 BN_free(bn);
1182 rrow=TXT_DB_get_by_index(db->db,DB_serial,row);
1183 OPENSSL_free(itmp);
1184 return rrow;
1185 }
1186
1187/* Quick and dirty OCSP server: read in and parse input request */
1188
1189static BIO *init_responder(char *port)
1190 {
1191 BIO *acbio = NULL, *bufbio = NULL;
1192 bufbio = BIO_new(BIO_f_buffer());
1193 if (!bufbio)
1194 goto err;
1195#ifndef OPENSSL_NO_SOCK
1196 acbio = BIO_new_accept(port);
1197#else
1198 BIO_printf(bio_err, "Error setting up accept BIO - sockets not supported.\n");
1199#endif
1200 if (!acbio)
1201 goto err;
1202 BIO_set_accept_bios(acbio, bufbio);
1203 bufbio = NULL;
1204
1205 if (BIO_do_accept(acbio) <= 0)
1206 {
1207 BIO_printf(bio_err, "Error setting up accept BIO\n");
1208 ERR_print_errors(bio_err);
1209 goto err;
1210 }
1211
1212 return acbio;
1213
1214 err:
1215 BIO_free_all(acbio);
1216 BIO_free(bufbio);
1217 return NULL;
1218 }
1219
1220static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port)
1221 {
1222 int have_post = 0, len;
1223 OCSP_REQUEST *req = NULL;
1224 char inbuf[1024];
1225 BIO *cbio = NULL;
1226
1227 if (BIO_do_accept(acbio) <= 0)
1228 {
1229 BIO_printf(bio_err, "Error accepting connection\n");
1230 ERR_print_errors(bio_err);
1231 return 0;
1232 }
1233
1234 cbio = BIO_pop(acbio);
1235 *pcbio = cbio;
1236
1237 for(;;)
1238 {
1239 len = BIO_gets(cbio, inbuf, sizeof inbuf);
1240 if (len <= 0)
1241 return 1;
1242 /* Look for "POST" signalling start of query */
1243 if (!have_post)
1244 {
1245 if(strncmp(inbuf, "POST", 4))
1246 {
1247 BIO_printf(bio_err, "Invalid request\n");
1248 return 1;
1249 }
1250 have_post = 1;
1251 }
1252 /* Look for end of headers */
1253 if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
1254 break;
1255 }
1256
1257 /* Try to read OCSP request */
1258
1259 req = d2i_OCSP_REQUEST_bio(cbio, NULL);
1260
1261 if (!req)
1262 {
1263 BIO_printf(bio_err, "Error parsing OCSP request\n");
1264 ERR_print_errors(bio_err);
1265 }
1266
1267 *preq = req;
1268
1269 return 1;
1270
1271 }
1272
1273static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
1274 {
1275 char http_resp[] =
1276 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1277 "Content-Length: %d\r\n\r\n";
1278 if (!cbio)
1279 return 0;
1280 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
1281 i2d_OCSP_RESPONSE_bio(cbio, resp);
e6bc27f5 1282 (void)BIO_flush(cbio);
56276539
SS
1283 return 1;
1284 }
1285
2e6ca3d0 1286static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path,
919b01cc 1287 STACK_OF(CONF_VALUE) *headers,
2e6ca3d0
PA
1288 OCSP_REQUEST *req, int req_timeout)
1289 {
1290 int fd;
1291 int rv;
919b01cc 1292 int i;
2e6ca3d0
PA
1293 OCSP_REQ_CTX *ctx = NULL;
1294 OCSP_RESPONSE *rsp = NULL;
1295 fd_set confds;
1296 struct timeval tv;
1297
1298 if (req_timeout != -1)
1299 BIO_set_nbio(cbio, 1);
1300
1301 rv = BIO_do_connect(cbio);
1302
1303 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio)))
1304 {
1305 BIO_puts(err, "Error connecting BIO\n");
1306 return NULL;
1307 }
1308
2e6ca3d0
PA
1309 if (BIO_get_fd(cbio, &fd) <= 0)
1310 {
1311 BIO_puts(err, "Can't get connection fd\n");
1312 goto err;
1313 }
1314
919b01cc 1315 if (req_timeout != -1 && rv <= 0)
2e6ca3d0
PA
1316 {
1317 FD_ZERO(&confds);
1318 openssl_fdset(fd, &confds);
1319 tv.tv_usec = 0;
1320 tv.tv_sec = req_timeout;
1321 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1322 if (rv == 0)
1323 {
1324 BIO_puts(err, "Timeout on connect\n");
1325 return NULL;
1326 }
1327 }
1328
1329
919b01cc 1330 ctx = OCSP_sendreq_new(cbio, path, NULL, -1);
2e6ca3d0
PA
1331 if (!ctx)
1332 return NULL;
919b01cc
PA
1333
1334 for (i = 0; i < sk_CONF_VALUE_num(headers); i++)
1335 {
1336 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i);
1337 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value))
1338 goto err;
1339 }
1340
1341 if (!OCSP_REQ_CTX_set1_req(ctx, req))
1342 goto err;
2e6ca3d0
PA
1343
1344 for (;;)
1345 {
1346 rv = OCSP_sendreq_nbio(&rsp, ctx);
1347 if (rv != -1)
1348 break;
919b01cc
PA
1349 if (req_timeout == -1)
1350 continue;
2e6ca3d0
PA
1351 FD_ZERO(&confds);
1352 openssl_fdset(fd, &confds);
1353 tv.tv_usec = 0;
1354 tv.tv_sec = req_timeout;
1355 if (BIO_should_read(cbio))
1356 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv);
1357 else if (BIO_should_write(cbio))
1358 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1359 else
1360 {
1361 BIO_puts(err, "Unexpected retry condition\n");
1362 goto err;
1363 }
1364 if (rv == 0)
1365 {
1366 BIO_puts(err, "Timeout on request\n");
1367 break;
1368 }
1369 if (rv == -1)
1370 {
1371 BIO_puts(err, "Select error\n");
1372 break;
1373 }
919b01cc 1374
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PA
1375 }
1376 err:
1377 if (ctx)
1378 OCSP_REQ_CTX_free(ctx);
1379
1380 return rsp;
1381 }
1382
1383OCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req,
1384 char *host, char *path, char *port, int use_ssl,
919b01cc 1385 STACK_OF(CONF_VALUE) *headers,
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PA
1386 int req_timeout)
1387 {
1388 BIO *cbio = NULL;
1389 SSL_CTX *ctx = NULL;
1390 OCSP_RESPONSE *resp = NULL;
1391 cbio = BIO_new_connect(host);
1392 if (!cbio)
1393 {
1394 BIO_printf(err, "Error creating connect BIO\n");
1395 goto end;
1396 }
1397 if (port) BIO_set_conn_port(cbio, port);
1398 if (use_ssl == 1)
1399 {
1400 BIO *sbio;
1401#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
1402 ctx = SSL_CTX_new(SSLv23_client_method());
1403#elif !defined(OPENSSL_NO_SSL3)
1404 ctx = SSL_CTX_new(SSLv3_client_method());
1405#elif !defined(OPENSSL_NO_SSL2)
1406 ctx = SSL_CTX_new(SSLv2_client_method());
1407#else
1408 BIO_printf(err, "SSL is disabled\n");
1409 goto end;
1410#endif
1411 if (ctx == NULL)
1412 {
1413 BIO_printf(err, "Error creating SSL context.\n");
1414 goto end;
1415 }
1416 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
1417 sbio = BIO_new_ssl(ctx, 1);
1418 cbio = BIO_push(sbio, cbio);
1419 }
919b01cc 1420 resp = query_responder(err, cbio, path, headers, req, req_timeout);
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PA
1421 if (!resp)
1422 BIO_printf(bio_err, "Error querying OCSP responsder\n");
1423 end:
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PA
1424 if (cbio)
1425 BIO_free_all(cbio);
919b01cc
PA
1426 if (ctx)
1427 SSL_CTX_free(ctx);
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PA
1428 return resp;
1429 }
1430
56276539 1431#endif