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Fix some warnings.
[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>
ad35cdac 61#include <stdlib.h>
5782ceb2 62#include <string.h>
637f9062 63#include <time.h>
eef0c1f3 64#include "apps.h" /* needs to be included before the openssl headers! */
ad35cdac 65#include <openssl/e_os2.h>
cdc7b8cc 66#include <openssl/ssl.h>
cec2538c 67#include <openssl/evp.h>
5782ceb2 68
eef0c1f3
DSH		 69#if defined(NETWARE_CLIB)
70# ifdef NETWARE_BSDSOCK
71# include <sys/socket.h>
72# include <sys/bsdskt.h>
73# else
74# include <novsock2.h>
75# endif
76#elif defined(NETWARE_LIBC)
77# ifdef NETWARE_BSDSOCK
78# include <sys/select.h>
79# else
80# include <novsock2.h>
81# endif
82#endif
83
f1965221
DSH		 84/* Maximum leeway in validity period: default 5 minutes */
85#define MAX_VALIDITY_PERIOD (5 * 60)
86
cec2538c 87static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_md, X509 *issuer,
73758d43 88 STACK_OF(OCSP_CERTID) *ids);
cec2538c 89static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, const EVP_MD * cert_id_md, X509 *issuer,
73758d43
DSH		 90 STACK_OF(OCSP_CERTID) *ids);
91static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
f1965221
DSH		 92 STACK *names, STACK_OF(OCSP_CERTID) *ids,
93 long nsec, long maxage);
5782ceb2 94
f85b68cd 95static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db,
ee306a13
DSH		 96 X509 *ca, X509 *rcert, EVP_PKEY *rkey,
97 STACK_OF(X509) *rother, unsigned long flags,
98 int nmin, int ndays);
99
f85b68cd 100static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
534a1ed0
DSH		 101static BIO *init_responder(char *port);
102static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port);
ee306a13 103static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
454dbbc5
DSH		 104static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path,
105 OCSP_REQUEST *req, int req_timeout);
ee306a13 106
5782ceb2
DSH		 107#undef PROG
108#define PROG ocsp_main
109
110int MAIN(int, char **);
111
112int MAIN(int argc, char **argv)
113 {
30b4c272 114 ENGINE *e = NULL;
5782ceb2 115 char **args;
67c18019 116 char *host = NULL, *port = NULL, *path = "/";
5782ceb2
DSH		 117 char *reqin = NULL, *respin = NULL;
118 char *reqout = NULL, *respout = NULL;
119 char *signfile = NULL, *keyfile = NULL;
ee306a13 120 char *rsignfile = NULL, *rkeyfile = NULL;
5782ceb2 121 char *outfile = NULL;
67c18019 122 int add_nonce = 1, noverify = 0, use_ssl = -1;
5782ceb2
DSH		 123 OCSP_REQUEST *req = NULL;
124 OCSP_RESPONSE *resp = NULL;
81f169e9 125 OCSP_BASICRESP *bs = NULL;
5782ceb2 126 X509 *issuer = NULL, *cert = NULL;
ee306a13
DSH		 127 X509 *signer = NULL, *rsigner = NULL;
128 EVP_PKEY *key = NULL, *rkey = NULL;
534a1ed0
DSH		 129 BIO *acbio = NULL, *cbio = NULL;
130 BIO *derbio = NULL;
5782ceb2 131 BIO *out = NULL;
454dbbc5 132 int req_timeout = -1;
5782ceb2 133 int req_text = 0, resp_text = 0;
f1965221 134 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
81f169e9
DSH		 135 char *CAfile = NULL, *CApath = NULL;
136 X509_STORE *store = NULL;
ee306a13
DSH		 137 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
138 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
139 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
5782ceb2 140 int ret = 1;
534a1ed0 141 int accept_count = -1;
5782ceb2 142 int badarg = 0;
81f169e9 143 int i;
560dfd2a 144 int ignore_err = 0;
73758d43
DSH		 145 STACK *reqnames = NULL;
146 STACK_OF(OCSP_CERTID) *ids = NULL;
ee306a13
DSH		 147
148 X509 *rca_cert = NULL;
149 char *ridx_filename = NULL;
150 char *rca_filename = NULL;
f85b68cd 151 CA_DB *rdb = NULL;
ee306a13 152 int nmin = 0, ndays = -1;
cec2538c 153 const EVP_MD *cert_id_md = NULL;
ee306a13 154
5782ceb2 155 if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
3647bee2
DSH		 156
157 if (!load_config(bio_err, NULL))
158 goto end;
cdc7b8cc 159 SSL_load_error_strings();
5dfe9100 160 OpenSSL_add_ssl_algorithms();
5782ceb2 161 args = argv + 1;
73758d43
DSH		 162 reqnames = sk_new_null();
163 ids = sk_OCSP_CERTID_new_null();
5782ceb2
DSH		 164 while (!badarg && *args && *args[0] == '-')
165 {
166 if (!strcmp(*args, "-out"))
167 {
168 if (args[1])
169 {
170 args++;
171 outfile = *args;
172 }
173 else badarg = 1;
174 }
454dbbc5
DSH		 175 else if (!strcmp(*args, "-timeout"))
176 {
177 if (args[1])
178 {
179 args++;
180 req_timeout = atol(*args);
181 if (req_timeout < 0)
182 {
183 BIO_printf(bio_err,
184 "Illegal timeout value %s\n",
185 *args);
186 badarg = 1;
187 }
188 }
189 else badarg = 1;
190 }
67c18019
DSH		 191 else if (!strcmp(*args, "-url"))
192 {
193 if (args[1])
194 {
195 args++;
196 if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl))
197 {
198 BIO_printf(bio_err, "Error parsing URL\n");
199 badarg = 1;
200 }
201 }
202 else badarg = 1;
203 }
5782ceb2
DSH		 204 else if (!strcmp(*args, "-host"))
205 {
206 if (args[1])
207 {
208 args++;
209 host = *args;
210 }
211 else badarg = 1;
212 }
ee306a13
DSH		 213 else if (!strcmp(*args, "-port"))
214 {
215 if (args[1])
216 {
217 args++;
218 port = *args;
219 }
220 else badarg = 1;
221 }
560dfd2a
DSH		 222 else if (!strcmp(*args, "-ignore_err"))
223 ignore_err = 1;
73758d43
DSH		 224 else if (!strcmp(*args, "-noverify"))
225 noverify = 1;
5782ceb2
DSH		 226 else if (!strcmp(*args, "-nonce"))
227 add_nonce = 2;
228 else if (!strcmp(*args, "-no_nonce"))
229 add_nonce = 0;
534a1ed0 230 else if (!strcmp(*args, "-resp_no_certs"))
ee306a13 231 rflags |= OCSP_NOCERTS;
534a1ed0 232 else if (!strcmp(*args, "-resp_key_id"))
ee306a13 233 rflags |= OCSP_RESPID_KEY;
8c950429
DSH		 234 else if (!strcmp(*args, "-no_certs"))
235 sign_flags |= OCSP_NOCERTS;
236 else if (!strcmp(*args, "-no_signature_verify"))
237 verify_flags |= OCSP_NOSIGS;
238 else if (!strcmp(*args, "-no_cert_verify"))
239 verify_flags |= OCSP_NOVERIFY;
240 else if (!strcmp(*args, "-no_chain"))
241 verify_flags |= OCSP_NOCHAIN;
242 else if (!strcmp(*args, "-no_cert_checks"))
243 verify_flags |= OCSP_NOCHECKS;
244 else if (!strcmp(*args, "-no_explicit"))
245 verify_flags |= OCSP_NOEXPLICIT;
246 else if (!strcmp(*args, "-trust_other"))
247 verify_flags |= OCSP_TRUSTOTHER;
248 else if (!strcmp(*args, "-no_intern"))
249 verify_flags |= OCSP_NOINTERN;
5782ceb2
DSH		 250 else if (!strcmp(*args, "-text"))
251 {
252 req_text = 1;
253 resp_text = 1;
254 }
255 else if (!strcmp(*args, "-req_text"))
256 req_text = 1;
257 else if (!strcmp(*args, "-resp_text"))
258 resp_text = 1;
259 else if (!strcmp(*args, "-reqin"))
260 {
261 if (args[1])
262 {
263 args++;
264 reqin = *args;
265 }
266 else badarg = 1;
267 }
268 else if (!strcmp(*args, "-respin"))
269 {
270 if (args[1])
271 {
272 args++;
273 respin = *args;
274 }
275 else badarg = 1;
276 }
277 else if (!strcmp(*args, "-signer"))
278 {
279 if (args[1])
280 {
281 args++;
282 signfile = *args;
283 }
284 else badarg = 1;
285 }
9235adbf
RL		 286 else if (!strcmp (*args, "-VAfile"))
287 {
288 if (args[1])
289 {
290 args++;
8c950429
DSH		 291 verify_certfile = *args;
292 verify_flags |= OCSP_TRUSTOTHER;
293 }
294 else badarg = 1;
295 }
296 else if (!strcmp(*args, "-sign_other"))
297 {
298 if (args[1])
299 {
300 args++;
301 sign_certfile = *args;
302 }
303 else badarg = 1;
304 }
305 else if (!strcmp(*args, "-verify_other"))
306 {
307 if (args[1])
308 {
309 args++;
310 verify_certfile = *args;
9235adbf
RL		 311 }
312 else badarg = 1;
313 }
81f169e9
DSH		 314 else if (!strcmp (*args, "-CAfile"))
315 {
316 if (args[1])
317 {
318 args++;
319 CAfile = *args;
320 }
321 else badarg = 1;
322 }
323 else if (!strcmp (*args, "-CApath"))
324 {
325 if (args[1])
326 {
327 args++;
328 CApath = *args;
329 }
330 else badarg = 1;
331 }
f1965221
DSH		 332 else if (!strcmp (*args, "-validity_period"))
333 {
334 if (args[1])
335 {
336 args++;
337 nsec = atol(*args);
338 if (nsec < 0)
339 {
340 BIO_printf(bio_err,
341 "Illegal validity period %s\n",
342 *args);
343 badarg = 1;
344 }
345 }
346 else badarg = 1;
347 }
348 else if (!strcmp (*args, "-status_age"))
349 {
350 if (args[1])
351 {
352 args++;
353 maxage = atol(*args);
354 if (maxage < 0)
355 {
356 BIO_printf(bio_err,
357 "Illegal validity age %s\n",
358 *args);
359 badarg = 1;
360 }
361 }
362 else badarg = 1;
363 }
5782ceb2
DSH		 364 else if (!strcmp(*args, "-signkey"))
365 {
366 if (args[1])
367 {
368 args++;
369 keyfile = *args;
370 }
371 else badarg = 1;
372 }
373 else if (!strcmp(*args, "-reqout"))
374 {
375 if (args[1])
376 {
377 args++;
378 reqout = *args;
379 }
380 else badarg = 1;
381 }
382 else if (!strcmp(*args, "-respout"))
383 {
384 if (args[1])
385 {
386 args++;
387 respout = *args;
388 }
389 else badarg = 1;
390 }
391 else if (!strcmp(*args, "-path"))
392 {
393 if (args[1])
394 {
395 args++;
396 path = *args;
397 }
398 else badarg = 1;
399 }
400 else if (!strcmp(*args, "-issuer"))
401 {
402 if (args[1])
403 {
404 args++;
405 X509_free(issuer);
30b4c272
RL		 406 issuer = load_cert(bio_err, *args, FORMAT_PEM,
407 NULL, e, "issuer certificate");
5782ceb2
DSH		 408 if(!issuer) goto end;
409 }
410 else badarg = 1;
411 }
412 else if (!strcmp (*args, "-cert"))
413 {
414 if (args[1])
415 {
416 args++;
417 X509_free(cert);
30b4c272
RL		 418 cert = load_cert(bio_err, *args, FORMAT_PEM,
419 NULL, e, "certificate");
5782ceb2 420 if(!cert) goto end;
cec2538c
DSH		 421 if (!cert_id_md) cert_id_md = EVP_sha1();
422 if(!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
73758d43
DSH		 423 goto end;
424 if(!sk_push(reqnames, *args))
5782ceb2
DSH		 425 goto end;
426 }
427 else badarg = 1;
428 }
429 else if (!strcmp(*args, "-serial"))
430 {
431 if (args[1])
432 {
433 args++;
cec2538c
DSH		 434 if (!cert_id_md) cert_id_md = EVP_sha1();
435 if(!add_ocsp_serial(&req, *args, cert_id_md, issuer, ids))
73758d43
DSH		 436 goto end;
437 if(!sk_push(reqnames, *args))
5782ceb2
DSH		 438 goto end;
439 }
440 else badarg = 1;
441 }
ee306a13
DSH		 442 else if (!strcmp(*args, "-index"))
443 {
444 if (args[1])
445 {
446 args++;
447 ridx_filename = *args;
448 }
449 else badarg = 1;
450 }
451 else if (!strcmp(*args, "-CA"))
452 {
453 if (args[1])
454 {
455 args++;
456 rca_filename = *args;
457 }
458 else badarg = 1;
459 }
460 else if (!strcmp (*args, "-nmin"))
461 {
462 if (args[1])
463 {
464 args++;
465 nmin = atol(*args);
466 if (nmin < 0)
467 {
468 BIO_printf(bio_err,
469 "Illegal update period %s\n",
470 *args);
471 badarg = 1;
472 }
473 }
474 if (ndays == -1)
475 ndays = 0;
476 else badarg = 1;
477 }
534a1ed0
DSH		 478 else if (!strcmp (*args, "-nrequest"))
479 {
480 if (args[1])
481 {
482 args++;
483 accept_count = atol(*args);
484 if (accept_count < 0)
485 {
486 BIO_printf(bio_err,
487 "Illegal accept count %s\n",
488 *args);
489 badarg = 1;
490 }
491 }
492 else badarg = 1;
493 }
ee306a13
DSH		 494 else if (!strcmp (*args, "-ndays"))
495 {
496 if (args[1])
497 {
498 args++;
499 ndays = atol(*args);
500 if (ndays < 0)
501 {
502 BIO_printf(bio_err,
503 "Illegal update period %s\n",
504 *args);
505 badarg = 1;
506 }
507 }
508 else badarg = 1;
509 }
510 else if (!strcmp(*args, "-rsigner"))
511 {
512 if (args[1])
513 {
514 args++;
515 rsignfile = *args;
516 }
517 else badarg = 1;
518 }
519 else if (!strcmp(*args, "-rkey"))
520 {
521 if (args[1])
522 {
523 args++;
524 rkeyfile = *args;
525 }
526 else badarg = 1;
527 }
528 else if (!strcmp(*args, "-rother"))
529 {
530 if (args[1])
531 {
532 args++;
533 rcertfile = *args;
534 }
535 else badarg = 1;
536 }
cec2538c
DSH		 537 else if ((cert_id_md = EVP_get_digestbyname((*args)+1))==NULL)
538 {
539 badarg = 1;
540 }
5782ceb2
DSH		 541 args++;
542 }
543
544 /* Have we anything to do? */
ee306a13 545 if (!req && !reqin && !respin && !(port && ridx_filename)) badarg = 1;
5782ceb2
DSH		 546
547 if (badarg)
548 {
549 BIO_printf (bio_err, "OCSP utility\n");
550 BIO_printf (bio_err, "Usage ocsp [options]\n");
551 BIO_printf (bio_err, "where options are\n");
8c950429
DSH		 552 BIO_printf (bio_err, "-out file output filename\n");
553 BIO_printf (bio_err, "-issuer file issuer certificate\n");
554 BIO_printf (bio_err, "-cert file certificate to check\n");
555 BIO_printf (bio_err, "-serial n serial number to check\n");
556 BIO_printf (bio_err, "-signer file certificate to sign OCSP request with\n");
557 BIO_printf (bio_err, "-signkey file private key to sign OCSP request with\n");
e5b0508a 558 BIO_printf (bio_err, "-sign_other file additional certificates to include in signed request\n");
b3f2e399 559 BIO_printf (bio_err, "-no_certs don't include any certificates in signed request\n");
8c950429
DSH		 560 BIO_printf (bio_err, "-req_text print text form of request\n");
561 BIO_printf (bio_err, "-resp_text print text form of response\n");
562 BIO_printf (bio_err, "-text print text form of request and response\n");
563 BIO_printf (bio_err, "-reqout file write DER encoded OCSP request to \"file\"\n");
564 BIO_printf (bio_err, "-respout file write DER encoded OCSP reponse to \"file\"\n");
565 BIO_printf (bio_err, "-reqin file read DER encoded OCSP request from \"file\"\n");
566 BIO_printf (bio_err, "-respin file read DER encoded OCSP reponse from \"file\"\n");
567 BIO_printf (bio_err, "-nonce add OCSP nonce to request\n");
568 BIO_printf (bio_err, "-no_nonce don't add OCSP nonce to request\n");
67c18019 569 BIO_printf (bio_err, "-url URL OCSP responder URL\n");
8c950429
DSH		 570 BIO_printf (bio_err, "-host host:n send OCSP request to host on port n\n");
571 BIO_printf (bio_err, "-path path to use in OCSP request\n");
572 BIO_printf (bio_err, "-CApath dir trusted certificates directory\n");
573 BIO_printf (bio_err, "-CAfile file trusted certificates file\n");
574 BIO_printf (bio_err, "-VAfile file validator certificates file\n");
f1965221
DSH		 575 BIO_printf (bio_err, "-validity_period n maximum validity discrepancy in seconds\n");
576 BIO_printf (bio_err, "-status_age n maximum status age in seconds\n");
8c950429 577 BIO_printf (bio_err, "-noverify don't verify response at all\n");
e5b0508a 578 BIO_printf (bio_err, "-verify_other file additional certificates to search for signer\n");
b3f2e399
DSH		 579 BIO_printf (bio_err, "-trust_other don't verify additional certificates\n");
580 BIO_printf (bio_err, "-no_intern don't search certificates contained in response for signer\n");
e5b0508a 581 BIO_printf (bio_err, "-no_signature_verify don't check signature on response\n");
b3f2e399
DSH		 582 BIO_printf (bio_err, "-no_cert_verify don't check signing certificate\n");
583 BIO_printf (bio_err, "-no_chain don't chain verify response\n");
584 BIO_printf (bio_err, "-no_cert_checks don't do additional checks on signing certificate\n");
b439a746 585 BIO_printf (bio_err, "-port num port to run responder on\n");
534a1ed0
DSH		 586 BIO_printf (bio_err, "-index file certificate status index file\n");
587 BIO_printf (bio_err, "-CA file CA certificate\n");
99889b46
DSH		 588 BIO_printf (bio_err, "-rsigner file responder certificate to sign responses with\n");
589 BIO_printf (bio_err, "-rkey file responder key to sign responses with\n");
534a1ed0
DSH		 590 BIO_printf (bio_err, "-rother file other certificates to include in response\n");
591 BIO_printf (bio_err, "-resp_no_certs don't include any certificates in response\n");
592 BIO_printf (bio_err, "-nmin n number of minutes before next update\n");
593 BIO_printf (bio_err, "-ndays n number of days before next update\n");
594 BIO_printf (bio_err, "-resp_key_id identify reponse by signing certificate key ID\n");
595 BIO_printf (bio_err, "-nrequest n number of requests to accept (default unlimited)\n");
cec2538c 596 BIO_printf (bio_err, "-<dgst alg> use specified digest in the request");
5782ceb2
DSH		 597 goto end;
598 }
599
600 if(outfile) out = BIO_new_file(outfile, "w");
601 else out = BIO_new_fp(stdout, BIO_NOCLOSE);
602
603 if(!out)
604 {
605 BIO_printf(bio_err, "Error opening output file\n");
606 goto end;
607 }
608
609 if (!req && (add_nonce != 2)) add_nonce = 0;
610
611 if (!req && reqin)
612 {
613 derbio = BIO_new_file(reqin, "rb");
614 if (!derbio)
615 {
616 BIO_printf(bio_err, "Error Opening OCSP request file\n");
617 goto end;
618 }
619 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
620 BIO_free(derbio);
621 if(!req)
622 {
623 BIO_printf(bio_err, "Error reading OCSP request\n");
624 goto end;
625 }
626 }
627
ee306a13
DSH		 628 if (!req && port)
629 {
534a1ed0
DSH		 630 acbio = init_responder(port);
631 if (!acbio)
ee306a13 632 goto end;
534a1ed0
DSH		 633 }
634
b439a746
DSH		 635 if (rsignfile && !rdb)
636 {
637 if (!rkeyfile) rkeyfile = rsignfile;
638 rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM,
639 NULL, e, "responder certificate");
640 if (!rsigner)
641 {
642 BIO_printf(bio_err, "Error loading responder certificate\n");
643 goto end;
644 }
645 rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM,
646 NULL, e, "CA certificate");
647 if (rcertfile)
648 {
5575f781 649 rother = load_certs(bio_err, rcertfile, FORMAT_PEM,
b439a746 650 NULL, e, "responder other certificates");
5575f781 651 if (!rother) goto end;
b439a746 652 }
da9b9724 653 rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL,
b439a746
DSH		 654 "responder private key");
655 if (!rkey)
656 goto end;
657 }
658 if(acbio)
659 BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
660
534a1ed0
DSH		 661 redo_accept:
662
663 if (acbio)
664 {
665 if (!do_responder(&req, &cbio, acbio, port))
666 goto end;
667 if (!req)
ee306a13
DSH		 668 {
669 resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
670 send_ocsp_response(cbio, resp);
671 goto done_resp;
672 }
673 }
674
675 if (!req && (signfile || reqout || host || add_nonce || ridx_filename))
5782ceb2
DSH		 676 {
677 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
678 goto end;
679 }
680
73758d43 681 if (req && add_nonce) OCSP_request_add1_nonce(req, NULL, -1);
5782ceb2
DSH		 682
683 if (signfile)
684 {
685 if (!keyfile) keyfile = signfile;
30b4c272
RL		 686 signer = load_cert(bio_err, signfile, FORMAT_PEM,
687 NULL, e, "signer certificate");
5782ceb2
DSH		 688 if (!signer)
689 {
690 BIO_printf(bio_err, "Error loading signer certificate\n");
691 goto end;
692 }
8c950429
DSH		 693 if (sign_certfile)
694 {
30b4c272
RL		 695 sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM,
696 NULL, e, "signer certificates");
8c950429
DSH		 697 if (!sign_other) goto end;
698 }
da9b9724 699 key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL,
30b4c272 700 "signer private key");
5782ceb2 701 if (!key)
5782ceb2 702 goto end;
cec2538c
DSH		 703
704 if (!OCSP_request_sign(req, signer, key, NULL, sign_other, sign_flags))
5782ceb2
DSH		 705 {
706 BIO_printf(bio_err, "Error signing OCSP request\n");
707 goto end;
708 }
709 }
710
ee306a13
DSH		 711 if (req_text && req) OCSP_REQUEST_print(out, req, 0);
712
99889b46
DSH		 713 if (reqout)
714 {
715 derbio = BIO_new_file(reqout, "wb");
716 if(!derbio)
717 {
718 BIO_printf(bio_err, "Error opening file %s\n", reqout);
719 goto end;
720 }
721 i2d_OCSP_REQUEST_bio(derbio, req);
722 BIO_free(derbio);
723 }
724
ee306a13
DSH		 725 if (ridx_filename && (!rkey || !rsigner || !rca_cert))
726 {
727 BIO_printf(bio_err, "Need a responder certificate, key and CA for this operation!\n");
728 goto end;
729 }
5782ceb2 730
534a1ed0 731 if (ridx_filename && !rdb)
ee306a13 732 {
f85b68cd
RL		 733 rdb = load_index(ridx_filename, NULL);
734 if (!rdb) goto end;
735 if (!index_index(rdb)) goto end;
534a1ed0
DSH		 736 }
737
738 if (rdb)
739 {
ee306a13
DSH		 740 i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, rother, rflags, nmin, ndays);
741 if (cbio)
742 send_ocsp_response(cbio, resp);
743 }
744 else if (host)
5782ceb2 745 {
85d686e7 746#ifndef OPENSSL_NO_SOCK
67c8e7f4
DSH		 747 resp = process_responder(bio_err, req, host, path,
748 port, use_ssl, req_timeout);
749 if (!resp)
750 goto end;
85d686e7
RL		 751#else
752 BIO_printf(bio_err, "Error creating connect BIO - sockets not supported.\n");
753 goto end;
754#endif
5782ceb2
DSH		 755 }
756 else if (respin)
757 {
758 derbio = BIO_new_file(respin, "rb");
759 if (!derbio)
760 {
761 BIO_printf(bio_err, "Error Opening OCSP response file\n");
762 goto end;
763 }
764 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
765 BIO_free(derbio);
766 if(!resp)
767 {
768 BIO_printf(bio_err, "Error reading OCSP response\n");
769 goto end;
770 }
771
772 }
773 else
774 {
775 ret = 0;
776 goto end;
777 }
778
ee306a13
DSH		 779 done_resp:
780
5782ceb2
DSH		 781 if (respout)
782 {
783 derbio = BIO_new_file(respout, "wb");
784 if(!derbio)
785 {
786 BIO_printf(bio_err, "Error opening file %s\n", respout);
787 goto end;
788 }
789 i2d_OCSP_RESPONSE_bio(derbio, resp);
790 BIO_free(derbio);
791 }
792
73758d43
DSH		 793 i = OCSP_response_status(resp);
794
795 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL)
796 {
3ae70939 797 BIO_printf(out, "Responder Error: %s (%d)\n",
73758d43 798 OCSP_response_status_str(i), i);
560dfd2a
DSH		 799 if (ignore_err)
800 goto redo_accept;
73758d43
DSH		 801 ret = 0;
802 goto end;
803 }
804
5782ceb2
DSH		 805 if (resp_text) OCSP_RESPONSE_print(out, resp, 0);
806
ee306a13
DSH		 807 /* If running as responder don't verify our own response */
808 if (cbio)
534a1ed0
DSH		 809 {
810 if (accept_count > 0)
811 accept_count--;
812 /* Redo if more connections needed */
813 if (accept_count)
814 {
815 BIO_free_all(cbio);
816 cbio = NULL;
817 OCSP_REQUEST_free(req);
818 req = NULL;
819 OCSP_RESPONSE_free(resp);
820 resp = NULL;
821 goto redo_accept;
822 }
ee306a13 823 goto end;
534a1ed0 824 }
ee306a13 825
534a1ed0
DSH		 826 if (!store)
827 store = setup_verify(bio_err, CAfile, CApath);
99889b46
DSH		 828 if (!store)
829 goto end;
8c950429
DSH		 830 if (verify_certfile)
831 {
30b4c272
RL		 832 verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM,
833 NULL, e, "validator certificate");
8c950429
DSH		 834 if (!verify_other) goto end;
835 }
9235adbf 836
81f169e9
DSH		 837 bs = OCSP_response_get1_basic(resp);
838
73758d43
DSH		 839 if (!bs)
840 {
841 BIO_printf(bio_err, "Error parsing response\n");
842 goto end;
843 }
81f169e9 844
73758d43 845 if (!noverify)
81f169e9 846 {
46a58ab9 847 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0))
73758d43 848 {
46a58ab9
DSH		 849 if (i == -1)
850 BIO_printf(bio_err, "WARNING: no nonce in response\n");
851 else
852 {
853 BIO_printf(bio_err, "Nonce Verify error\n");
854 goto end;
855 }
73758d43
DSH		 856 }
857
8c950429 858 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
9235adbf 859 if (i < 0) i = OCSP_basic_verify(bs, NULL, store, 0);
73758d43
DSH		 860
861 if(i <= 0)
862 {
3ae70939 863 BIO_printf(bio_err, "Response Verify Failure\n");
73758d43
DSH		 864 ERR_print_errors(bio_err);
865 }
866 else
867 BIO_printf(bio_err, "Response verify OK\n");
868
81f169e9 869 }
73758d43 870
f1965221 871 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage))
73758d43 872 goto end;
81f169e9 873
5782ceb2
DSH		 874 ret = 0;
875
876end:
877 ERR_print_errors(bio_err);
878 X509_free(signer);
81f169e9 879 X509_STORE_free(store);
5782ceb2 880 EVP_PKEY_free(key);
ee306a13 881 EVP_PKEY_free(rkey);
5782ceb2
DSH		 882 X509_free(issuer);
883 X509_free(cert);
ee306a13
DSH		 884 X509_free(rsigner);
885 X509_free(rca_cert);
f85b68cd 886 free_index(rdb);
cdc7b8cc 887 BIO_free_all(cbio);
534a1ed0 888 BIO_free_all(acbio);
5782ceb2
DSH		 889 BIO_free(out);
890 OCSP_REQUEST_free(req);
891 OCSP_RESPONSE_free(resp);
81f169e9 892 OCSP_BASICRESP_free(bs);
73758d43
DSH		 893 sk_free(reqnames);
894 sk_OCSP_CERTID_free(ids);
8c950429
DSH		 895 sk_X509_pop_free(sign_other, X509_free);
896 sk_X509_pop_free(verify_other, X509_free);
5782ceb2 897
67c18019
DSH		 898 if (use_ssl != -1)
899 {
900 OPENSSL_free(host);
901 OPENSSL_free(port);
902 OPENSSL_free(path);
903 }
904
1c3e4a36 905 OPENSSL_EXIT(ret);
5782ceb2
DSH		 906}
907
cec2538c 908static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_md,X509 *issuer,
73758d43 909 STACK_OF(OCSP_CERTID) *ids)
5782ceb2
DSH		 910 {
911 OCSP_CERTID *id;
912 if(!issuer)
913 {
914 BIO_printf(bio_err, "No issuer certificate specified\n");
915 return 0;
916 }
917 if(!*req) *req = OCSP_REQUEST_new();
918 if(!*req) goto err;
cec2538c 919 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
73758d43 920 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err;
5782ceb2
DSH		 921 if(!OCSP_request_add0_id(*req, id)) goto err;
922 return 1;
923
924 err:
925 BIO_printf(bio_err, "Error Creating OCSP request\n");
926 return 0;
927 }
928
cec2538c 929static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,const EVP_MD *cert_id_md, X509 *issuer,
73758d43 930 STACK_OF(OCSP_CERTID) *ids)
5782ceb2
DSH		 931 {
932 OCSP_CERTID *id;
933 X509_NAME *iname;
934 ASN1_BIT_STRING *ikey;
935 ASN1_INTEGER *sno;
936 if(!issuer)
937 {
938 BIO_printf(bio_err, "No issuer certificate specified\n");
939 return 0;
940 }
941 if(!*req) *req = OCSP_REQUEST_new();
942 if(!*req) goto err;
943 iname = X509_get_subject_name(issuer);
88ce56f8 944 ikey = X509_get0_pubkey_bitstr(issuer);
5782ceb2
DSH		 945 sno = s2i_ASN1_INTEGER(NULL, serial);
946 if(!sno)
947 {
948 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
949 return 0;
950 }
cec2538c 951 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
5782ceb2 952 ASN1_INTEGER_free(sno);
73758d43 953 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err;
5782ceb2
DSH		 954 if(!OCSP_request_add0_id(*req, id)) goto err;
955 return 1;
956
957 err:
958 BIO_printf(bio_err, "Error Creating OCSP request\n");
959 return 0;
960 }
73758d43
DSH		 961
962static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
f1965221
DSH		 963 STACK *names, STACK_OF(OCSP_CERTID) *ids,
964 long nsec, long maxage)
73758d43
DSH		 965 {
966 OCSP_CERTID *id;
967 char *name;
968 int i;
969
970 int status, reason;
971
972 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
973
974 if (!bs || !req || !sk_num(names) || !sk_OCSP_CERTID_num(ids))
975 return 1;
976
977 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++)
978 {
979 id = sk_OCSP_CERTID_value(ids, i);
980 name = sk_value(names, i);
981 BIO_printf(out, "%s: ", name);
982
983 if(!OCSP_resp_find_status(bs, id, &status, &reason,
984 &rev, &thisupd, &nextupd))
985 {
986 BIO_puts(out, "ERROR: No Status found.\n");
987 continue;
988 }
f1965221
DSH		 989
990 /* Check validity: if invalid write to output BIO so we
991 * know which response this refers to.
992 */
993 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage))
994 {
995 BIO_puts(out, "WARNING: Status times invalid.\n");
996 ERR_print_errors(out);
997 }
73758d43
DSH		 998 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
999
1000 BIO_puts(out, "\tThis Update: ");
1001 ASN1_GENERALIZEDTIME_print(out, thisupd);
1002 BIO_puts(out, "\n");
1003
1004 if(nextupd)
1005 {
1006 BIO_puts(out, "\tNext Update: ");
569afce4 1007 ASN1_GENERALIZEDTIME_print(out, nextupd);
73758d43
DSH		 1008 BIO_puts(out, "\n");
1009 }
1010
1011 if (status != V_OCSP_CERTSTATUS_REVOKED)
1012 continue;
1013
8e8972bb 1014 if (reason != -1)
73758d43
DSH		 1015 BIO_printf(out, "\tReason: %s\n",
1016 OCSP_crl_reason_str(reason));
1017
1018 BIO_puts(out, "\tRevocation Time: ");
1019 ASN1_GENERALIZEDTIME_print(out, rev);
1020 BIO_puts(out, "\n");
1021 }
1022
1023 return 1;
1024 }
1025
ee306a13 1026
f85b68cd 1027static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db,
ee306a13
DSH		 1028 X509 *ca, X509 *rcert, EVP_PKEY *rkey,
1029 STACK_OF(X509) *rother, unsigned long flags,
1030 int nmin, int ndays)
1031 {
1032 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
1033 OCSP_CERTID *cid, *ca_id = NULL;
1034 OCSP_BASICRESP *bs = NULL;
1035 int i, id_count, ret = 1;
1036
ee306a13
DSH		 1037 id_count = OCSP_request_onereq_count(req);
1038
1039 if (id_count <= 0)
1040 {
1041 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
1042 goto end;
1043 }
1044
ee306a13
DSH		 1045
1046 bs = OCSP_BASICRESP_new();
1047 thisupd = X509_gmtime_adj(NULL, 0);
1048 if (ndays != -1)
1049 nextupd = X509_gmtime_adj(NULL, nmin * 60 + ndays * 3600 * 24 );
1050
1051 /* Examine each certificate id in the request */
1052 for (i = 0; i < id_count; i++)
1053 {
1054 OCSP_ONEREQ *one;
1055 ASN1_INTEGER *serial;
1056 char **inf;
341e18b4
DSH		 1057 ASN1_OBJECT *cert_id_md_oid;
1058 const EVP_MD *cert_id_md;
ee306a13
DSH		 1059 one = OCSP_request_onereq_get0(req, i);
1060 cid = OCSP_onereq_get0_id(one);
341e18b4
DSH		 1061
1062 OCSP_id_get0_info(NULL,&cert_id_md_oid, NULL,NULL, cid);
1063
1064 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
1065 if (! cert_id_md)
1066 {
1067 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
1068 NULL);
1069 goto end;
1070 }
1071 if (ca_id) OCSP_CERTID_free(ca_id);
1072 ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca);
1073
ee306a13
DSH		 1074 /* Is this request about our CA? */
1075 if (OCSP_id_issuer_cmp(ca_id, cid))
1076 {
1077 OCSP_basic_add1_status(bs, cid,
1078 V_OCSP_CERTSTATUS_UNKNOWN,
1079 0, NULL,
1080 thisupd, nextupd);
1081 continue;
1082 }
1083 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
1084 inf = lookup_serial(db, serial);
1085 if (!inf)
1086 OCSP_basic_add1_status(bs, cid,
1087 V_OCSP_CERTSTATUS_UNKNOWN,
1088 0, NULL,
1089 thisupd, nextupd);
1090 else if (inf[DB_type][0] == DB_TYPE_VAL)
1091 OCSP_basic_add1_status(bs, cid,
1092 V_OCSP_CERTSTATUS_GOOD,
1093 0, NULL,
1094 thisupd, nextupd);
1095 else if (inf[DB_type][0] == DB_TYPE_REV)
1096 {
1097 ASN1_OBJECT *inst = NULL;
1098 ASN1_TIME *revtm = NULL;
1099 ASN1_GENERALIZEDTIME *invtm = NULL;
1100 OCSP_SINGLERESP *single;
1101 int reason = -1;
1102 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
1103 single = OCSP_basic_add1_status(bs, cid,
1104 V_OCSP_CERTSTATUS_REVOKED,
1105 reason, revtm,
1106 thisupd, nextupd);
1107 if (invtm)
1108 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, invtm, 0, 0);
1109 else if (inst)
1110 OCSP_SINGLERESP_add1_ext_i2d(single, NID_hold_instruction_code, inst, 0, 0);
1111 ASN1_OBJECT_free(inst);
1112 ASN1_TIME_free(revtm);
1113 ASN1_GENERALIZEDTIME_free(invtm);
1114 }
1115 }
1116
1117 OCSP_copy_nonce(bs, req);
cec2538c
DSH		 1118
1119 OCSP_basic_sign(bs, rcert, rkey, NULL, rother, flags);
ee306a13
DSH		 1120
1121 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
1122
1123 end:
1124 ASN1_TIME_free(thisupd);
1125 ASN1_TIME_free(nextupd);
1126 OCSP_CERTID_free(ca_id);
1127 OCSP_BASICRESP_free(bs);
1128 return ret;
1129
1130 }
1131
f85b68cd 1132static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
ee306a13
DSH		 1133 {
1134 int i;
1135 BIGNUM *bn = NULL;
1136 char *itmp, *row[DB_NUMBER],**rrow;
1137 for (i = 0; i < DB_NUMBER; i++) row[i] = NULL;
1138 bn = ASN1_INTEGER_to_BN(ser,NULL);
4b8747e4 1139 OPENSSL_assert(bn); /* FIXME: should report an error at this point and abort */
2245cd87
RL		 1140 if (BN_is_zero(bn))
1141 itmp = BUF_strdup("00");
1142 else
1143 itmp = BN_bn2hex(bn);
ee306a13
DSH		 1144 row[DB_serial] = itmp;
1145 BN_free(bn);
f85b68cd 1146 rrow=TXT_DB_get_by_index(db->db,DB_serial,row);
ee306a13
DSH		 1147 OPENSSL_free(itmp);
1148 return rrow;
1149 }
1150
1151/* Quick and dirty OCSP server: read in and parse input request */
1152
534a1ed0 1153static BIO *init_responder(char *port)
ee306a13 1154 {
534a1ed0 1155 BIO *acbio = NULL, *bufbio = NULL;
ee306a13
DSH		 1156 bufbio = BIO_new(BIO_f_buffer());
1157 if (!bufbio)
1158 goto err;
85d686e7 1159#ifndef OPENSSL_NO_SOCK
ee306a13 1160 acbio = BIO_new_accept(port);
85d686e7
RL		 1161#else
1162 BIO_printf(bio_err, "Error setting up accept BIO - sockets not supported.\n");
1163#endif
ee306a13
DSH		 1164 if (!acbio)
1165 goto err;
1166 BIO_set_accept_bios(acbio, bufbio);
1167 bufbio = NULL;
1168
1169 if (BIO_do_accept(acbio) <= 0)
1170 {
1171 BIO_printf(bio_err, "Error setting up accept BIO\n");
1172 ERR_print_errors(bio_err);
1173 goto err;
1174 }
534a1ed0
DSH		 1175
1176 return acbio;
1177
1178 err:
1179 BIO_free_all(acbio);
1180 BIO_free(bufbio);
1181 return NULL;
1182 }
ee306a13 1183
534a1ed0
DSH		 1184static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port)
1185 {
1186 int have_post = 0, len;
1187 OCSP_REQUEST *req = NULL;
1188 char inbuf[1024];
1189 BIO *cbio = NULL;
ee306a13
DSH		 1190
1191 if (BIO_do_accept(acbio) <= 0)
1192 {
1193 BIO_printf(bio_err, "Error accepting connection\n");
1194 ERR_print_errors(bio_err);
534a1ed0 1195 return 0;
ee306a13
DSH		 1196 }
1197
ee306a13 1198 cbio = BIO_pop(acbio);
534a1ed0 1199 *pcbio = cbio;
ee306a13
DSH		 1200
1201 for(;;)
1202 {
54a656ef 1203 len = BIO_gets(cbio, inbuf, sizeof inbuf);
534a1ed0
DSH		 1204 if (len <= 0)
1205 return 1;
ee306a13
DSH		 1206 /* Look for "POST" signalling start of query */
1207 if (!have_post)
1208 {
1209 if(strncmp(inbuf, "POST", 4))
1210 {
1211 BIO_printf(bio_err, "Invalid request\n");
534a1ed0 1212 return 1;
ee306a13
DSH		 1213 }
1214 have_post = 1;
1215 }
1216 /* Look for end of headers */
1217 if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
1218 break;
1219 }
1220
1221 /* Try to read OCSP request */
1222
1223 req = d2i_OCSP_REQUEST_bio(cbio, NULL);
1224
ee306a13
DSH		 1225 if (!req)
1226 {
1227 BIO_printf(bio_err, "Error parsing OCSP request\n");
1228 ERR_print_errors(bio_err);
1229 }
1230
534a1ed0
DSH		 1231 *preq = req;
1232
1233 return 1;
ee306a13 1234
ee306a13
DSH		 1235 }
1236
1237static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
1238 {
1239 char http_resp[] =
1240 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1241 "Content-Length: %d\r\n\r\n";
1242 if (!cbio)
1243 return 0;
1244 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
1245 i2d_OCSP_RESPONSE_bio(cbio, resp);
710069c1 1246 (void)BIO_flush(cbio);
ee306a13
DSH		 1247 return 1;
1248 }
1249
454dbbc5
DSH		 1250static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path,
1251 OCSP_REQUEST *req, int req_timeout)
1252 {
1253 int fd;
1254 int rv;
1255 OCSP_REQ_CTX *ctx = NULL;
1256 OCSP_RESPONSE *rsp = NULL;
1257 fd_set confds;
1258 struct timeval tv;
1259
1260 if (req_timeout != -1)
1261 BIO_set_nbio(cbio, 1);
1262
1263 rv = BIO_do_connect(cbio);
1264
1265 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio)))
1266 {
1267 BIO_puts(err, "Error connecting BIO\n");
1268 return NULL;
1269 }
1270
1271 if (req_timeout == -1)
1272 return OCSP_sendreq_bio(cbio, path, req);
1273
1274 if (BIO_get_fd(cbio, &fd) <= 0)
1275 {
1276 BIO_puts(err, "Can't get connection fd\n");
1277 goto err;
1278 }
1279
b5894279
DSH		 1280 if (rv <= 0)
1281 {
1282 FD_ZERO(&confds);
1283 openssl_fdset(fd, &confds);
1284 tv.tv_usec = 0;
1285 tv.tv_sec = req_timeout;
1286 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1287 if (rv == 0)
1288 {
1289 BIO_puts(err, "Timeout on connect\n");
1290 return NULL;
1291 }
1292 }
454dbbc5 1293
b5894279
DSH		 1294
1295 ctx = OCSP_sendreq_new(cbio, path, req, -1);
454dbbc5
DSH		 1296 if (!ctx)
1297 return NULL;
1298
1299 for (;;)
1300 {
1301 rv = OCSP_sendreq_nbio(&rsp, ctx);
1302 if (rv != -1)
1303 break;
1304 FD_ZERO(&confds);
b5894279 1305 openssl_fdset(fd, &confds);
454dbbc5
DSH		 1306 tv.tv_usec = 0;
1307 tv.tv_sec = req_timeout;
b5894279 1308 if (BIO_should_read(cbio))
454dbbc5
DSH		 1309 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv);
1310 else if (BIO_should_write(cbio))
1311 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1312 else
1313 {
1314 BIO_puts(err, "Unexpected retry condition\n");
1315 goto err;
1316 }
1317 if (rv == 0)
1318 {
1319 BIO_puts(err, "Timeout on request\n");
1320 break;
1321 }
1322 if (rv == -1)
1323 {
1324 BIO_puts(err, "Select error\n");
1325 break;
1326 }
1327
1328 }
454dbbc5 1329 err:
313fce7b
BL		 1330 if (ctx)
1331 OCSP_REQ_CTX_free(ctx);
454dbbc5
DSH		 1332
1333 return rsp;
1334 }
1335
67c8e7f4
DSH		 1336OCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req,
1337 char *host, char *path, char *port, int use_ssl,
1338 int req_timeout)
1339 {
1340 BIO *cbio = NULL;
1341 SSL_CTX *ctx = NULL;
1342 OCSP_RESPONSE *resp = NULL;
1343 cbio = BIO_new_connect(host);
1344 if (!cbio)
1345 {
1346 BIO_printf(err, "Error creating connect BIO\n");
1347 goto end;
1348 }
1349 if (port) BIO_set_conn_port(cbio, port);
1350 if (use_ssl == 1)
1351 {
1352 BIO *sbio;
1353#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
1354 ctx = SSL_CTX_new(SSLv23_client_method());
1355#elif !defined(OPENSSL_NO_SSL3)
1356 ctx = SSL_CTX_new(SSLv3_client_method());
1357#elif !defined(OPENSSL_NO_SSL2)
1358 ctx = SSL_CTX_new(SSLv2_client_method());
1359#else
1360 BIO_printf(err, "SSL is disabled\n");
1361 goto end;
1362#endif
1363 if (ctx == NULL)
1364 {
1365 BIO_printf(err, "Error creating SSL context.\n");
1366 goto end;
1367 }
1368 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
1369 sbio = BIO_new_ssl(ctx, 1);
1370 cbio = BIO_push(sbio, cbio);
1371 }
1372 resp = query_responder(err, cbio, path, req, req_timeout);
1373 if (!resp)
1374 BIO_printf(bio_err, "Error querying OCSP responsder\n");
1375 end:
1376 if (ctx)
1377 SSL_CTX_free(ctx);
1378 if (cbio)
1379 BIO_free_all(cbio);
1380 return resp;
1381 }
1382
85d686e7 1383#endif
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