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Import OpenSSL-0.9.8f.
[dragonfly.git] / crypto / openssl-0.9 / apps / ocsp.c
blob3dc36c4bdc4a4ab67b5a6f68f1e780fd487123af
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 */
58 #ifndef OPENSSL_NO_OCSP
59
60 #include <stdio.h>
61 #include <string.h>
62 #include "apps.h"
63 #include <openssl/pem.h>
64 #include <openssl/ocsp.h>
65 #include <openssl/err.h>
66 #include <openssl/ssl.h>
67 #include <openssl/bn.h>
68
69 /* Maximum leeway in validity period: default 5 minutes */
70 #define MAX_VALIDITY_PERIOD (5 * 60)
71
72 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer,
73 STACK_OF(OCSP_CERTID) *ids);
74 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer,
75 STACK_OF(OCSP_CERTID) *ids);
76 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
77 STACK *names, STACK_OF(OCSP_CERTID) *ids,
78 long nsec, long maxage);
79
80 static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db,
81 X509 *ca, X509 *rcert, EVP_PKEY *rkey,
82 STACK_OF(X509) *rother, unsigned long flags,
83 int nmin, int ndays);
84
85 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
86 static BIO *init_responder(char *port);
87 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port);
88 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
89
90 #undef PROG
91 #define PROG ocsp_main
92
93 int MAIN(int, char **);
94
95 int MAIN(int argc, char **argv)
96 {
97 ENGINE *e = NULL;
98 char **args;
99 char *host = NULL, *port = NULL, *path = "/";
100 char *reqin = NULL, *respin = NULL;
101 char *reqout = NULL, *respout = NULL;
102 char *signfile = NULL, *keyfile = NULL;
103 char *rsignfile = NULL, *rkeyfile = NULL;
104 char *outfile = NULL;
105 int add_nonce = 1, noverify = 0, use_ssl = -1;
106 OCSP_REQUEST *req = NULL;
107 OCSP_RESPONSE *resp = NULL;
108 OCSP_BASICRESP *bs = NULL;
109 X509 *issuer = NULL, *cert = NULL;
110 X509 *signer = NULL, *rsigner = NULL;
111 EVP_PKEY *key = NULL, *rkey = NULL;
112 BIO *acbio = NULL, *cbio = NULL;
113 BIO *derbio = NULL;
114 BIO *out = NULL;
115 int req_text = 0, resp_text = 0;
116 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
117 char *CAfile = NULL, *CApath = NULL;
118 X509_STORE *store = NULL;
119 SSL_CTX *ctx = NULL;
120 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
121 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
122 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
123 int ret = 1;
124 int accept_count = -1;
125 int badarg = 0;
126 int i;
127 int ignore_err = 0;
128 STACK *reqnames = NULL;
129 STACK_OF(OCSP_CERTID) *ids = NULL;
130
131 X509 *rca_cert = NULL;
132 char *ridx_filename = NULL;
133 char *rca_filename = NULL;
134 CA_DB *rdb = NULL;
135 int nmin = 0, ndays = -1;
136
137 if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
138
139 if (!load_config(bio_err, NULL))
140 goto end;
141 SSL_load_error_strings();
142 OpenSSL_add_ssl_algorithms();
143 args = argv + 1;
144 reqnames = sk_new_null();
145 ids = sk_OCSP_CERTID_new_null();
146 while (!badarg && *args && *args[0] == '-')
147 {
148 if (!strcmp(*args, "-out"))
149 {
150 if (args[1])
151 {
152 args++;
153 outfile = *args;
154 }
155 else badarg = 1;
156 }
157 else if (!strcmp(*args, "-url"))
158 {
159 if (args[1])
160 {
161 args++;
162 if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl))
163 {
164 BIO_printf(bio_err, "Error parsing URL\n");
165 badarg = 1;
166 }
167 }
168 else badarg = 1;
169 }
170 else if (!strcmp(*args, "-host"))
171 {
172 if (args[1])
173 {
174 args++;
175 host = *args;
176 }
177 else badarg = 1;
178 }
179 else if (!strcmp(*args, "-port"))
180 {
181 if (args[1])
182 {
183 args++;
184 port = *args;
185 }
186 else badarg = 1;
187 }
188 else if (!strcmp(*args, "-ignore_err"))
189 ignore_err = 1;
190 else if (!strcmp(*args, "-noverify"))
191 noverify = 1;
192 else if (!strcmp(*args, "-nonce"))
193 add_nonce = 2;
194 else if (!strcmp(*args, "-no_nonce"))
195 add_nonce = 0;
196 else if (!strcmp(*args, "-resp_no_certs"))
197 rflags |= OCSP_NOCERTS;
198 else if (!strcmp(*args, "-resp_key_id"))
199 rflags |= OCSP_RESPID_KEY;
200 else if (!strcmp(*args, "-no_certs"))
201 sign_flags |= OCSP_NOCERTS;
202 else if (!strcmp(*args, "-no_signature_verify"))
203 verify_flags |= OCSP_NOSIGS;
204 else if (!strcmp(*args, "-no_cert_verify"))
205 verify_flags |= OCSP_NOVERIFY;
206 else if (!strcmp(*args, "-no_chain"))
207 verify_flags |= OCSP_NOCHAIN;
208 else if (!strcmp(*args, "-no_cert_checks"))
209 verify_flags |= OCSP_NOCHECKS;
210 else if (!strcmp(*args, "-no_explicit"))
211 verify_flags |= OCSP_NOEXPLICIT;
212 else if (!strcmp(*args, "-trust_other"))
213 verify_flags |= OCSP_TRUSTOTHER;
214 else if (!strcmp(*args, "-no_intern"))
215 verify_flags |= OCSP_NOINTERN;
216 else if (!strcmp(*args, "-text"))
217 {
218 req_text = 1;
219 resp_text = 1;
220 }
221 else if (!strcmp(*args, "-req_text"))
222 req_text = 1;
223 else if (!strcmp(*args, "-resp_text"))
224 resp_text = 1;
225 else if (!strcmp(*args, "-reqin"))
226 {
227 if (args[1])
228 {
229 args++;
230 reqin = *args;
231 }
232 else badarg = 1;
233 }
234 else if (!strcmp(*args, "-respin"))
235 {
236 if (args[1])
237 {
238 args++;
239 respin = *args;
240 }
241 else badarg = 1;
242 }
243 else if (!strcmp(*args, "-signer"))
244 {
245 if (args[1])
246 {
247 args++;
248 signfile = *args;
249 }
250 else badarg = 1;
251 }
252 else if (!strcmp (*args, "-VAfile"))
253 {
254 if (args[1])
255 {
256 args++;
257 verify_certfile = *args;
258 verify_flags |= OCSP_TRUSTOTHER;
259 }
260 else badarg = 1;
261 }
262 else if (!strcmp(*args, "-sign_other"))
263 {
264 if (args[1])
265 {
266 args++;
267 sign_certfile = *args;
268 }
269 else badarg = 1;
270 }
271 else if (!strcmp(*args, "-verify_other"))
272 {
273 if (args[1])
274 {
275 args++;
276 verify_certfile = *args;
277 }
278 else badarg = 1;
279 }
280 else if (!strcmp (*args, "-CAfile"))
281 {
282 if (args[1])
283 {
284 args++;
285 CAfile = *args;
286 }
287 else badarg = 1;
288 }
289 else if (!strcmp (*args, "-CApath"))
290 {
291 if (args[1])
292 {
293 args++;
294 CApath = *args;
295 }
296 else badarg = 1;
297 }
298 else if (!strcmp (*args, "-validity_period"))
299 {
300 if (args[1])
301 {
302 args++;
303 nsec = atol(*args);
304 if (nsec < 0)
305 {
306 BIO_printf(bio_err,
307 "Illegal validity period %s\n",
308 *args);
309 badarg = 1;
310 }
311 }
312 else badarg = 1;
313 }
314 else if (!strcmp (*args, "-status_age"))
315 {
316 if (args[1])
317 {
318 args++;
319 maxage = atol(*args);
320 if (maxage < 0)
321 {
322 BIO_printf(bio_err,
323 "Illegal validity age %s\n",
324 *args);
325 badarg = 1;
326 }
327 }
328 else badarg = 1;
329 }
330 else if (!strcmp(*args, "-signkey"))
331 {
332 if (args[1])
333 {
334 args++;
335 keyfile = *args;
336 }
337 else badarg = 1;
338 }
339 else if (!strcmp(*args, "-reqout"))
340 {
341 if (args[1])
342 {
343 args++;
344 reqout = *args;
345 }
346 else badarg = 1;
347 }
348 else if (!strcmp(*args, "-respout"))
349 {
350 if (args[1])
351 {
352 args++;
353 respout = *args;
354 }
355 else badarg = 1;
356 }
357 else if (!strcmp(*args, "-path"))
358 {
359 if (args[1])
360 {
361 args++;
362 path = *args;
363 }
364 else badarg = 1;
365 }
366 else if (!strcmp(*args, "-issuer"))
367 {
368 if (args[1])
369 {
370 args++;
371 X509_free(issuer);
372 issuer = load_cert(bio_err, *args, FORMAT_PEM,
373 NULL, e, "issuer certificate");
374 if(!issuer) goto end;
375 }
376 else badarg = 1;
377 }
378 else if (!strcmp (*args, "-cert"))
379 {
380 if (args[1])
381 {
382 args++;
383 X509_free(cert);
384 cert = load_cert(bio_err, *args, FORMAT_PEM,
385 NULL, e, "certificate");
386 if(!cert) goto end;
387 if(!add_ocsp_cert(&req, cert, issuer, ids))
388 goto end;
389 if(!sk_push(reqnames, *args))
390 goto end;
391 }
392 else badarg = 1;
393 }
394 else if (!strcmp(*args, "-serial"))
395 {
396 if (args[1])
397 {
398 args++;
399 if(!add_ocsp_serial(&req, *args, issuer, ids))
400 goto end;
401 if(!sk_push(reqnames, *args))
402 goto end;
403 }
404 else badarg = 1;
405 }
406 else if (!strcmp(*args, "-index"))
407 {
408 if (args[1])
409 {
410 args++;
411 ridx_filename = *args;
412 }
413 else badarg = 1;
414 }
415 else if (!strcmp(*args, "-CA"))
416 {
417 if (args[1])
418 {
419 args++;
420 rca_filename = *args;
421 }
422 else badarg = 1;
423 }
424 else if (!strcmp (*args, "-nmin"))
425 {
426 if (args[1])
427 {
428 args++;
429 nmin = atol(*args);
430 if (nmin < 0)
431 {
432 BIO_printf(bio_err,
433 "Illegal update period %s\n",
434 *args);
435 badarg = 1;
436 }
437 }
438 if (ndays == -1)
439 ndays = 0;
440 else badarg = 1;
441 }
442 else if (!strcmp (*args, "-nrequest"))
443 {
444 if (args[1])
445 {
446 args++;
447 accept_count = atol(*args);
448 if (accept_count < 0)
449 {
450 BIO_printf(bio_err,
451 "Illegal accept count %s\n",
452 *args);
453 badarg = 1;
454 }
455 }
456 else badarg = 1;
457 }
458 else if (!strcmp (*args, "-ndays"))
459 {
460 if (args[1])
461 {
462 args++;
463 ndays = atol(*args);
464 if (ndays < 0)
465 {
466 BIO_printf(bio_err,
467 "Illegal update period %s\n",
468 *args);
469 badarg = 1;
470 }
471 }
472 else badarg = 1;
473 }
474 else if (!strcmp(*args, "-rsigner"))
475 {
476 if (args[1])
477 {
478 args++;
479 rsignfile = *args;
480 }
481 else badarg = 1;
482 }
483 else if (!strcmp(*args, "-rkey"))
484 {
485 if (args[1])
486 {
487 args++;
488 rkeyfile = *args;
489 }
490 else badarg = 1;
491 }
492 else if (!strcmp(*args, "-rother"))
493 {
494 if (args[1])
495 {
496 args++;
497 rcertfile = *args;
498 }
499 else badarg = 1;
500 }
501 else badarg = 1;
502 args++;
503 }
504
505 /* Have we anything to do? */
506 if (!req && !reqin && !respin && !(port && ridx_filename)) badarg = 1;
507
508 if (badarg)
509 {
510 BIO_printf (bio_err, "OCSP utility\n");
511 BIO_printf (bio_err, "Usage ocsp [options]\n");
512 BIO_printf (bio_err, "where options are\n");
513 BIO_printf (bio_err, "-out file output filename\n");
514 BIO_printf (bio_err, "-issuer file issuer certificate\n");
515 BIO_printf (bio_err, "-cert file certificate to check\n");
516 BIO_printf (bio_err, "-serial n serial number to check\n");
517 BIO_printf (bio_err, "-signer file certificate to sign OCSP request with\n");
518 BIO_printf (bio_err, "-signkey file private key to sign OCSP request with\n");
519 BIO_printf (bio_err, "-sign_other file additional certificates to include in signed request\n");
520 BIO_printf (bio_err, "-no_certs don't include any certificates in signed request\n");
521 BIO_printf (bio_err, "-req_text print text form of request\n");
522 BIO_printf (bio_err, "-resp_text print text form of response\n");
523 BIO_printf (bio_err, "-text print text form of request and response\n");
524 BIO_printf (bio_err, "-reqout file write DER encoded OCSP request to \"file\"\n");
525 BIO_printf (bio_err, "-respout file write DER encoded OCSP reponse to \"file\"\n");
526 BIO_printf (bio_err, "-reqin file read DER encoded OCSP request from \"file\"\n");
527 BIO_printf (bio_err, "-respin file read DER encoded OCSP reponse from \"file\"\n");
528 BIO_printf (bio_err, "-nonce add OCSP nonce to request\n");
529 BIO_printf (bio_err, "-no_nonce don't add OCSP nonce to request\n");
530 BIO_printf (bio_err, "-url URL OCSP responder URL\n");
531 BIO_printf (bio_err, "-host host:n send OCSP request to host on port n\n");
532 BIO_printf (bio_err, "-path path to use in OCSP request\n");
533 BIO_printf (bio_err, "-CApath dir trusted certificates directory\n");
534 BIO_printf (bio_err, "-CAfile file trusted certificates file\n");
535 BIO_printf (bio_err, "-VAfile file validator certificates file\n");
536 BIO_printf (bio_err, "-validity_period n maximum validity discrepancy in seconds\n");
537 BIO_printf (bio_err, "-status_age n maximum status age in seconds\n");
538 BIO_printf (bio_err, "-noverify don't verify response at all\n");
539 BIO_printf (bio_err, "-verify_other file additional certificates to search for signer\n");
540 BIO_printf (bio_err, "-trust_other don't verify additional certificates\n");
541 BIO_printf (bio_err, "-no_intern don't search certificates contained in response for signer\n");
542 BIO_printf (bio_err, "-no_signature_verify don't check signature on response\n");
543 BIO_printf (bio_err, "-no_cert_verify don't check signing certificate\n");
544 BIO_printf (bio_err, "-no_chain don't chain verify response\n");
545 BIO_printf (bio_err, "-no_cert_checks don't do additional checks on signing certificate\n");
546 BIO_printf (bio_err, "-port num port to run responder on\n");
547 BIO_printf (bio_err, "-index file certificate status index file\n");
548 BIO_printf (bio_err, "-CA file CA certificate\n");
549 BIO_printf (bio_err, "-rsigner file responder certificate to sign responses with\n");
550 BIO_printf (bio_err, "-rkey file responder key to sign responses with\n");
551 BIO_printf (bio_err, "-rother file other certificates to include in response\n");
552 BIO_printf (bio_err, "-resp_no_certs don't include any certificates in response\n");
553 BIO_printf (bio_err, "-nmin n number of minutes before next update\n");
554 BIO_printf (bio_err, "-ndays n number of days before next update\n");
555 BIO_printf (bio_err, "-resp_key_id identify reponse by signing certificate key ID\n");
556 BIO_printf (bio_err, "-nrequest n number of requests to accept (default unlimited)\n");
557 goto end;
558 }
559
560 if(outfile) out = BIO_new_file(outfile, "w");
561 else out = BIO_new_fp(stdout, BIO_NOCLOSE);
562
563 if(!out)
564 {
565 BIO_printf(bio_err, "Error opening output file\n");
566 goto end;
567 }
568
569 if (!req && (add_nonce != 2)) add_nonce = 0;
570
571 if (!req && reqin)
572 {
573 derbio = BIO_new_file(reqin, "rb");
574 if (!derbio)
575 {
576 BIO_printf(bio_err, "Error Opening OCSP request file\n");
577 goto end;
578 }
579 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
580 BIO_free(derbio);
581 if(!req)
582 {
583 BIO_printf(bio_err, "Error reading OCSP request\n");
584 goto end;
585 }
586 }
587
588 if (!req && port)
589 {
590 acbio = init_responder(port);
591 if (!acbio)
592 goto end;
593 }
594
595 if (rsignfile && !rdb)
596 {
597 if (!rkeyfile) rkeyfile = rsignfile;
598 rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM,
599 NULL, e, "responder certificate");
600 if (!rsigner)
601 {
602 BIO_printf(bio_err, "Error loading responder certificate\n");
603 goto end;
604 }
605 rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM,
606 NULL, e, "CA certificate");
607 if (rcertfile)
608 {
609 rother = load_certs(bio_err, rcertfile, FORMAT_PEM,
610 NULL, e, "responder other certificates");
611 if (!rother) goto end;
612 }
613 rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL,
614 "responder private key");
615 if (!rkey)
616 goto end;
617 }
618 if(acbio)
619 BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
620
621 redo_accept:
622
623 if (acbio)
624 {
625 if (!do_responder(&req, &cbio, acbio, port))
626 goto end;
627 if (!req)
628 {
629 resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
630 send_ocsp_response(cbio, resp);
631 goto done_resp;
632 }
633 }
634
635 if (!req && (signfile || reqout || host || add_nonce || ridx_filename))
636 {
637 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
638 goto end;
639 }
640
641 if (req && add_nonce) OCSP_request_add1_nonce(req, NULL, -1);
642
643 if (signfile)
644 {
645 if (!keyfile) keyfile = signfile;
646 signer = load_cert(bio_err, signfile, FORMAT_PEM,
647 NULL, e, "signer certificate");
648 if (!signer)
649 {
650 BIO_printf(bio_err, "Error loading signer certificate\n");
651 goto end;
652 }
653 if (sign_certfile)
654 {
655 sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM,
656 NULL, e, "signer certificates");
657 if (!sign_other) goto end;
658 }
659 key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL,
660 "signer private key");
661 if (!key)
662 goto end;
663 if (!OCSP_request_sign(req, signer, key, EVP_sha1(), sign_other, sign_flags))
664 {
665 BIO_printf(bio_err, "Error signing OCSP request\n");
666 goto end;
667 }
668 }
669
670 if (req_text && req) OCSP_REQUEST_print(out, req, 0);
671
672 if (reqout)
673 {
674 derbio = BIO_new_file(reqout, "wb");
675 if(!derbio)
676 {
677 BIO_printf(bio_err, "Error opening file %s\n", reqout);
678 goto end;
679 }
680 i2d_OCSP_REQUEST_bio(derbio, req);
681 BIO_free(derbio);
682 }
683
684 if (ridx_filename && (!rkey || !rsigner || !rca_cert))
685 {
686 BIO_printf(bio_err, "Need a responder certificate, key and CA for this operation!\n");
687 goto end;
688 }
689
690 if (ridx_filename && !rdb)
691 {
692 rdb = load_index(ridx_filename, NULL);
693 if (!rdb) goto end;
694 if (!index_index(rdb)) goto end;
695 }
696
697 if (rdb)
698 {
699 i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, rother, rflags, nmin, ndays);
700 if (cbio)
701 send_ocsp_response(cbio, resp);
702 }
703 else if (host)
704 {
705 #ifndef OPENSSL_NO_SOCK
706 cbio = BIO_new_connect(host);
707 #else
708 BIO_printf(bio_err, "Error creating connect BIO - sockets not supported.\n");
709 goto end;
710 #endif
711 if (!cbio)
712 {
713 BIO_printf(bio_err, "Error creating connect BIO\n");
714 goto end;
715 }
716 if (port) BIO_set_conn_port(cbio, port);
717 if (use_ssl == 1)
718 {
719 BIO *sbio;
720 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
721 ctx = SSL_CTX_new(SSLv23_client_method());
722 #elif !defined(OPENSSL_NO_SSL3)
723 ctx = SSL_CTX_new(SSLv3_client_method());
724 #elif !defined(OPENSSL_NO_SSL2)
725 ctx = SSL_CTX_new(SSLv2_client_method());
726 #else
727 BIO_printf(bio_err, "SSL is disabled\n");
728 goto end;
729 #endif
730 if (ctx == NULL)
731 {
732 BIO_printf(bio_err, "Error creating SSL context.\n");
733 goto end;
734 }
735 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
736 sbio = BIO_new_ssl(ctx, 1);
737 cbio = BIO_push(sbio, cbio);
738 }
739 if (BIO_do_connect(cbio) <= 0)
740 {
741 BIO_printf(bio_err, "Error connecting BIO\n");
742 goto end;
743 }
744 resp = OCSP_sendreq_bio(cbio, path, req);
745 BIO_free_all(cbio);
746 cbio = NULL;
747 if (!resp)
748 {
749 BIO_printf(bio_err, "Error querying OCSP responsder\n");
750 goto end;
751 }
752 }
753 else if (respin)
754 {
755 derbio = BIO_new_file(respin, "rb");
756 if (!derbio)
757 {
758 BIO_printf(bio_err, "Error Opening OCSP response file\n");
759 goto end;
760 }
761 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
762 BIO_free(derbio);
763 if(!resp)
764 {
765 BIO_printf(bio_err, "Error reading OCSP response\n");
766 goto end;
767 }
768
769 }
770 else
771 {
772 ret = 0;
773 goto end;
774 }
775
776 done_resp:
777
778 if (respout)
779 {
780 derbio = BIO_new_file(respout, "wb");
781 if(!derbio)
782 {
783 BIO_printf(bio_err, "Error opening file %s\n", respout);
784 goto end;
785 }
786 i2d_OCSP_RESPONSE_bio(derbio, resp);
787 BIO_free(derbio);
788 }
789
790 i = OCSP_response_status(resp);
791
792 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL)
793 {
794 BIO_printf(out, "Responder Error: %s (%d)\n",
795 OCSP_response_status_str(i), i);
796 if (ignore_err)
797 goto redo_accept;
798 ret = 0;
799 goto end;
800 }
801
802 if (resp_text) OCSP_RESPONSE_print(out, resp, 0);
803
804 /* If running as responder don't verify our own response */
805 if (cbio)
806 {
807 if (accept_count > 0)
808 accept_count--;
809 /* Redo if more connections needed */
810 if (accept_count)
811 {
812 BIO_free_all(cbio);
813 cbio = NULL;
814 OCSP_REQUEST_free(req);
815 req = NULL;
816 OCSP_RESPONSE_free(resp);
817 resp = NULL;
818 goto redo_accept;
819 }
820 goto end;
821 }
822
823 if (!store)
824 store = setup_verify(bio_err, CAfile, CApath);
825 if (!store)
826 goto end;
827 if (verify_certfile)
828 {
829 verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM,
830 NULL, e, "validator certificate");
831 if (!verify_other) goto end;
832 }
833
834 bs = OCSP_response_get1_basic(resp);
835
836 if (!bs)
837 {
838 BIO_printf(bio_err, "Error parsing response\n");
839 goto end;
840 }
841
842 if (!noverify)
843 {
844 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0))
845 {
846 if (i == -1)
847 BIO_printf(bio_err, "WARNING: no nonce in response\n");
848 else
849 {
850 BIO_printf(bio_err, "Nonce Verify error\n");
851 goto end;
852 }
853 }
854
855 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
856 if (i < 0) i = OCSP_basic_verify(bs, NULL, store, 0);
857
858 if(i <= 0)
859 {
860 BIO_printf(bio_err, "Response Verify Failure\n");
861 ERR_print_errors(bio_err);
862 }
863 else
864 BIO_printf(bio_err, "Response verify OK\n");
865
866 }
867
868 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage))
869 goto end;
870
871 ret = 0;
872
873 end:
874 ERR_print_errors(bio_err);
875 X509_free(signer);
876 X509_STORE_free(store);
877 EVP_PKEY_free(key);
878 EVP_PKEY_free(rkey);
879 X509_free(issuer);
880 X509_free(cert);
881 X509_free(rsigner);
882 X509_free(rca_cert);
883 free_index(rdb);
884 BIO_free_all(cbio);
885 BIO_free_all(acbio);
886 BIO_free(out);
887 OCSP_REQUEST_free(req);
888 OCSP_RESPONSE_free(resp);
889 OCSP_BASICRESP_free(bs);
890 sk_free(reqnames);
891 sk_OCSP_CERTID_free(ids);
892 sk_X509_pop_free(sign_other, X509_free);
893 sk_X509_pop_free(verify_other, X509_free);
894
895 if (use_ssl != -1)
896 {
897 OPENSSL_free(host);
898 OPENSSL_free(port);
899 OPENSSL_free(path);
900 SSL_CTX_free(ctx);
901 }
902
903 OPENSSL_EXIT(ret);
904 }
905
906 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer,
907 STACK_OF(OCSP_CERTID) *ids)
908 {
909 OCSP_CERTID *id;
910 if(!issuer)
911 {
912 BIO_printf(bio_err, "No issuer certificate specified\n");
913 return 0;
914 }
915 if(!*req) *req = OCSP_REQUEST_new();
916 if(!*req) goto err;
917 id = OCSP_cert_to_id(NULL, cert, issuer);
918 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err;
919 if(!OCSP_request_add0_id(*req, id)) goto err;
920 return 1;
921
922 err:
923 BIO_printf(bio_err, "Error Creating OCSP request\n");
924 return 0;
925 }
926
927 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer,
928 STACK_OF(OCSP_CERTID) *ids)
929 {
930 OCSP_CERTID *id;
931 X509_NAME *iname;
932 ASN1_BIT_STRING *ikey;
933 ASN1_INTEGER *sno;
934 if(!issuer)
935 {
936 BIO_printf(bio_err, "No issuer certificate specified\n");
937 return 0;
938 }
939 if(!*req) *req = OCSP_REQUEST_new();
940 if(!*req) goto err;
941 iname = X509_get_subject_name(issuer);
942 ikey = X509_get0_pubkey_bitstr(issuer);
943 sno = s2i_ASN1_INTEGER(NULL, serial);
944 if(!sno)
945 {
946 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
947 return 0;
948 }
949 id = OCSP_cert_id_new(EVP_sha1(), iname, ikey, sno);
950 ASN1_INTEGER_free(sno);
951 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err;
952 if(!OCSP_request_add0_id(*req, id)) goto err;
953 return 1;
954
955 err:
956 BIO_printf(bio_err, "Error Creating OCSP request\n");
957 return 0;
958 }
959
960 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
961 STACK *names, STACK_OF(OCSP_CERTID) *ids,
962 long nsec, long maxage)
963 {
964 OCSP_CERTID *id;
965 char *name;
966 int i;
967
968 int status, reason;
969
970 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
971
972 if (!bs || !req || !sk_num(names) || !sk_OCSP_CERTID_num(ids))
973 return 1;
974
975 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++)
976 {
977 id = sk_OCSP_CERTID_value(ids, i);
978 name = sk_value(names, i);
979 BIO_printf(out, "%s: ", name);
980
981 if(!OCSP_resp_find_status(bs, id, &status, &reason,
982 &rev, &thisupd, &nextupd))
983 {
984 BIO_puts(out, "ERROR: No Status found.\n");
985 continue;
986 }
987
988 /* Check validity: if invalid write to output BIO so we
989 * know which response this refers to.
990 */
991 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage))
992 {
993 BIO_puts(out, "WARNING: Status times invalid.\n");
994 ERR_print_errors(out);
995 }
996 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
997
998 BIO_puts(out, "\tThis Update: ");
999 ASN1_GENERALIZEDTIME_print(out, thisupd);
1000 BIO_puts(out, "\n");
1001
1002 if(nextupd)
1003 {
1004 BIO_puts(out, "\tNext Update: ");
1005 ASN1_GENERALIZEDTIME_print(out, nextupd);
1006 BIO_puts(out, "\n");
1007 }
1008
1009 if (status != V_OCSP_CERTSTATUS_REVOKED)
1010 continue;
1011
1012 if (reason != -1)
1013 BIO_printf(out, "\tReason: %s\n",
1014 OCSP_crl_reason_str(reason));
1015
1016 BIO_puts(out, "\tRevocation Time: ");
1017 ASN1_GENERALIZEDTIME_print(out, rev);
1018 BIO_puts(out, "\n");
1019 }
1020
1021 return 1;
1022 }
1023
1024
1025 static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db,
1026 X509 *ca, X509 *rcert, EVP_PKEY *rkey,
1027 STACK_OF(X509) *rother, unsigned long flags,
1028 int nmin, int ndays)
1029 {
1030 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
1031 OCSP_CERTID *cid, *ca_id = NULL;
1032 OCSP_BASICRESP *bs = NULL;
1033 int i, id_count, ret = 1;
1034
1035
1036 id_count = OCSP_request_onereq_count(req);
1037
1038 if (id_count <= 0)
1039 {
1040 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
1041 goto end;
1042 }
1043
1044 ca_id = OCSP_cert_to_id(EVP_sha1(), NULL, ca);
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;
1057 one = OCSP_request_onereq_get0(req, i);
1058 cid = OCSP_onereq_get0_id(one);
1059 /* Is this request about our CA? */
1060 if (OCSP_id_issuer_cmp(ca_id, cid))
1061 {
1062 OCSP_basic_add1_status(bs, cid,
1063 V_OCSP_CERTSTATUS_UNKNOWN,
1064 0, NULL,
1065 thisupd, nextupd);
1066 continue;
1067 }
1068 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
1069 inf = lookup_serial(db, serial);
1070 if (!inf)
1071 OCSP_basic_add1_status(bs, cid,
1072 V_OCSP_CERTSTATUS_UNKNOWN,
1073 0, NULL,
1074 thisupd, nextupd);
1075 else if (inf[DB_type][0] == DB_TYPE_VAL)
1076 OCSP_basic_add1_status(bs, cid,
1077 V_OCSP_CERTSTATUS_GOOD,
1078 0, NULL,
1079 thisupd, nextupd);
1080 else if (inf[DB_type][0] == DB_TYPE_REV)
1081 {
1082 ASN1_OBJECT *inst = NULL;
1083 ASN1_TIME *revtm = NULL;
1084 ASN1_GENERALIZEDTIME *invtm = NULL;
1085 OCSP_SINGLERESP *single;
1086 int reason = -1;
1087 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
1088 single = OCSP_basic_add1_status(bs, cid,
1089 V_OCSP_CERTSTATUS_REVOKED,
1090 reason, revtm,
1091 thisupd, nextupd);
1092 if (invtm)
1093 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, invtm, 0, 0);
1094 else if (inst)
1095 OCSP_SINGLERESP_add1_ext_i2d(single, NID_hold_instruction_code, inst, 0, 0);
1096 ASN1_OBJECT_free(inst);
1097 ASN1_TIME_free(revtm);
1098 ASN1_GENERALIZEDTIME_free(invtm);
1099 }
1100 }
1101
1102 OCSP_copy_nonce(bs, req);
1103
1104 OCSP_basic_sign(bs, rcert, rkey, EVP_sha1(), rother, flags);
1105
1106 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
1107
1108 end:
1109 ASN1_TIME_free(thisupd);
1110 ASN1_TIME_free(nextupd);
1111 OCSP_CERTID_free(ca_id);
1112 OCSP_BASICRESP_free(bs);
1113 return ret;
1114
1115 }
1116
1117 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
1118 {
1119 int i;
1120 BIGNUM *bn = NULL;
1121 char *itmp, *row[DB_NUMBER],**rrow;
1122 for (i = 0; i < DB_NUMBER; i++) row[i] = NULL;
1123 bn = ASN1_INTEGER_to_BN(ser,NULL);
1124 if (BN_is_zero(bn))
1125 itmp = BUF_strdup("00");
1126 else
1127 itmp = BN_bn2hex(bn);
1128 row[DB_serial] = itmp;
1129 BN_free(bn);
1130 rrow=TXT_DB_get_by_index(db->db,DB_serial,row);
1131 OPENSSL_free(itmp);
1132 return rrow;
1133 }
1134
1135 /* Quick and dirty OCSP server: read in and parse input request */
1136
1137 static BIO *init_responder(char *port)
1138 {
1139 BIO *acbio = NULL, *bufbio = NULL;
1140 bufbio = BIO_new(BIO_f_buffer());
1141 if (!bufbio)
1142 goto err;
1143 #ifndef OPENSSL_NO_SOCK
1144 acbio = BIO_new_accept(port);
1145 #else
1146 BIO_printf(bio_err, "Error setting up accept BIO - sockets not supported.\n");
1147 #endif
1148 if (!acbio)
1149 goto err;
1150 BIO_set_accept_bios(acbio, bufbio);
1151 bufbio = NULL;
1152
1153 if (BIO_do_accept(acbio) <= 0)
1154 {
1155 BIO_printf(bio_err, "Error setting up accept BIO\n");
1156 ERR_print_errors(bio_err);
1157 goto err;
1158 }
1159
1160 return acbio;
1161
1162 err:
1163 BIO_free_all(acbio);
1164 BIO_free(bufbio);
1165 return NULL;
1166 }
1167
1168 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port)
1169 {
1170 int have_post = 0, len;
1171 OCSP_REQUEST *req = NULL;
1172 char inbuf[1024];
1173 BIO *cbio = NULL;
1174
1175 if (BIO_do_accept(acbio) <= 0)
1176 {
1177 BIO_printf(bio_err, "Error accepting connection\n");
1178 ERR_print_errors(bio_err);
1179 return 0;
1180 }
1181
1182 cbio = BIO_pop(acbio);
1183 *pcbio = cbio;
1184
1185 for(;;)
1186 {
1187 len = BIO_gets(cbio, inbuf, sizeof inbuf);
1188 if (len <= 0)
1189 return 1;
1190 /* Look for "POST" signalling start of query */
1191 if (!have_post)
1192 {
1193 if(strncmp(inbuf, "POST", 4))
1194 {
1195 BIO_printf(bio_err, "Invalid request\n");
1196 return 1;
1197 }
1198 have_post = 1;
1199 }
1200 /* Look for end of headers */
1201 if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
1202 break;
1203 }
1204
1205 /* Try to read OCSP request */
1206
1207 req = d2i_OCSP_REQUEST_bio(cbio, NULL);
1208
1209 if (!req)
1210 {
1211 BIO_printf(bio_err, "Error parsing OCSP request\n");
1212 ERR_print_errors(bio_err);
1213 }
1214
1215 *preq = req;
1216
1217 return 1;
1218
1219 }
1220
1221 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
1222 {
1223 char http_resp[] =
1224 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1225 "Content-Length: %d\r\n\r\n";
1226 if (!cbio)
1227 return 0;
1228 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
1229 i2d_OCSP_RESPONSE_bio(cbio, resp);
1230 (void)BIO_flush(cbio);
1231 return 1;
1232 }
1233
1234 #endif
DragonFly BSD