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source: vbox/trunk/src/libs/openssl-3.0.3/apps/ocsp.c@ 96441

Last change on this file since 96441 was 95219, checked in by vboxsync, 3 years ago

libs/openssl: Switched to v3.0.3, bugref:10128
File size: 40.9 KB
Line 
1/*
2 * Copyright 2001-2022 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <openssl/opensslconf.h>
11
12#ifdef OPENSSL_SYS_VMS
13 /* So fd_set and friends get properly defined on OpenVMS */
14# define _XOPEN_SOURCE_EXTENDED
15#endif
16
17#include <stdio.h>
18#include <stdlib.h>
19#include <string.h>
20#include <time.h>
21#include <ctype.h>
22
23/* Needs to be included before the openssl headers */
24#include "apps.h"
25#include "http_server.h"
26#include "progs.h"
27#include "internal/sockets.h"
28#include <openssl/e_os2.h>
29#include <openssl/crypto.h>
30#include <openssl/err.h>
31#include <openssl/ssl.h>
32#include <openssl/evp.h>
33#include <openssl/bn.h>
34#include <openssl/x509v3.h>
35
36#if defined(__TANDEM)
37# if defined(OPENSSL_TANDEM_FLOSS)
38# include <floss.h(floss_fork)>
39# endif
40#endif
41
42#if defined(OPENSSL_SYS_VXWORKS)
43/* not supported */
44int setpgid(pid_t pid, pid_t pgid)
45{
46 errno = ENOSYS;
47 return 0;
48}
49/* not supported */
50pid_t fork(void)
51{
52 errno = ENOSYS;
53 return (pid_t) -1;
54}
55#endif
56/* Maximum leeway in validity period: default 5 minutes */
57#define MAX_VALIDITY_PERIOD (5 * 60)
58
59static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
60 const EVP_MD *cert_id_md, X509 *issuer,
61 STACK_OF(OCSP_CERTID) *ids);
62static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
63 const EVP_MD *cert_id_md, X509 *issuer,
64 STACK_OF(OCSP_CERTID) *ids);
65static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
66 STACK_OF(OPENSSL_STRING) *names,
67 STACK_OF(OCSP_CERTID) *ids, long nsec,
68 long maxage);
69static void make_ocsp_response(BIO *err, OCSP_RESPONSE **resp, OCSP_REQUEST *req,
70 CA_DB *db, STACK_OF(X509) *ca, X509 *rcert,
71 EVP_PKEY *rkey, const EVP_MD *md,
72 STACK_OF(OPENSSL_STRING) *sigopts,
73 STACK_OF(X509) *rother, unsigned long flags,
74 int nmin, int ndays, int badsig,
75 const EVP_MD *resp_md);
76
77static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
78static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
79 const char *port, int timeout);
80static int send_ocsp_response(BIO *cbio, const OCSP_RESPONSE *resp);
81static char *prog;
82
83#ifdef HTTP_DAEMON
84static int index_changed(CA_DB *);
85#endif
86
87typedef enum OPTION_choice {
88 OPT_COMMON,
89 OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT,
90#ifndef OPENSSL_NO_SOCK
91 OPT_PROXY, OPT_NO_PROXY,
92#endif
93 OPT_IGNORE_ERR, OPT_NOVERIFY, OPT_NONCE, OPT_NO_NONCE,
94 OPT_RESP_NO_CERTS, OPT_RESP_KEY_ID, OPT_NO_CERTS,
95 OPT_NO_SIGNATURE_VERIFY, OPT_NO_CERT_VERIFY, OPT_NO_CHAIN,
96 OPT_NO_CERT_CHECKS, OPT_NO_EXPLICIT, OPT_TRUST_OTHER,
97 OPT_NO_INTERN, OPT_BADSIG, OPT_TEXT, OPT_REQ_TEXT, OPT_RESP_TEXT,
98 OPT_REQIN, OPT_RESPIN, OPT_SIGNER, OPT_VAFILE, OPT_SIGN_OTHER,
99 OPT_VERIFY_OTHER, OPT_CAFILE, OPT_CAPATH, OPT_CASTORE, OPT_NOCAFILE,
100 OPT_NOCAPATH, OPT_NOCASTORE,
101 OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT,
102 OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL,
103 OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER,
104 OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_RSIGOPT, OPT_HEADER,
105 OPT_PASSIN,
106 OPT_RCID,
107 OPT_V_ENUM,
108 OPT_MD,
109 OPT_MULTI, OPT_PROV_ENUM
110} OPTION_CHOICE;
111
112const OPTIONS ocsp_options[] = {
113 OPT_SECTION("General"),
114 {"help", OPT_HELP, '-', "Display this summary"},
115 {"ignore_err", OPT_IGNORE_ERR, '-',
116 "Ignore error on OCSP request or response and continue running"},
117 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
118 {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"},
119 {"CAstore", OPT_CASTORE, ':', "Trusted certificates store URI"},
120 {"no-CAfile", OPT_NOCAFILE, '-',
121 "Do not load the default certificates file"},
122 {"no-CApath", OPT_NOCAPATH, '-',
123 "Do not load certificates from the default certificates directory"},
124 {"no-CAstore", OPT_NOCASTORE, '-',
125 "Do not load certificates from the default certificates store"},
126
127 OPT_SECTION("Responder"),
128 {"timeout", OPT_TIMEOUT, 'p',
129 "Connection timeout (in seconds) to the OCSP responder"},
130 {"resp_no_certs", OPT_RESP_NO_CERTS, '-',
131 "Don't include any certificates in response"},
132#ifdef HTTP_DAEMON
133 {"multi", OPT_MULTI, 'p', "run multiple responder processes"},
134#endif
135 {"no_certs", OPT_NO_CERTS, '-',
136 "Don't include any certificates in signed request"},
137 {"badsig", OPT_BADSIG, '-',
138 "Corrupt last byte of loaded OSCP response signature (for test)"},
139 {"CA", OPT_CA, '<', "CA certificate"},
140 {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"},
141 {"nrequest", OPT_REQUEST, 'p',
142 "Number of requests to accept (default unlimited)"},
143 {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"},
144 {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"},
145 {"sign_other", OPT_SIGN_OTHER, '<',
146 "Additional certificates to include in signed request"},
147 {"index", OPT_INDEX, '<', "Certificate status index file"},
148 {"ndays", OPT_NDAYS, 'p', "Number of days before next update"},
149 {"rsigner", OPT_RSIGNER, '<',
150 "Responder certificate to sign responses with"},
151 {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"},
152 {"passin", OPT_PASSIN, 's', "Responder key pass phrase source"},
153 {"rother", OPT_ROTHER, '<', "Other certificates to include in response"},
154 {"rmd", OPT_RMD, 's', "Digest Algorithm to use in signature of OCSP response"},
155 {"rsigopt", OPT_RSIGOPT, 's', "OCSP response signature parameter in n:v form"},
156 {"header", OPT_HEADER, 's', "key=value header to add"},
157 {"rcid", OPT_RCID, 's', "Use specified algorithm for cert id in response"},
158 {"", OPT_MD, '-', "Any supported digest algorithm (sha1,sha256, ... )"},
159
160 OPT_SECTION("Client"),
161 {"url", OPT_URL, 's', "Responder URL"},
162 {"host", OPT_HOST, 's', "TCP/IP hostname:port to connect to"},
163 {"port", OPT_PORT, 'N', "Port to run responder on"},
164 {"path", OPT_PATH, 's', "Path to use in OCSP request"},
165#ifndef OPENSSL_NO_SOCK
166 {"proxy", OPT_PROXY, 's',
167 "[http[s]://]host[:port][/path] of HTTP(S) proxy to use; path is ignored"},
168 {"no_proxy", OPT_NO_PROXY, 's',
169 "List of addresses of servers not to use HTTP(S) proxy for"},
170 {OPT_MORE_STR, 0, 0,
171 "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
172#endif
173 {"out", OPT_OUTFILE, '>', "Output filename"},
174 {"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"},
175 {"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"},
176 {"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"},
177 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-',
178 "Don't check signature on response"},
179 {"resp_key_id", OPT_RESP_KEY_ID, '-',
180 "Identify response by signing certificate key ID"},
181 {"no_cert_verify", OPT_NO_CERT_VERIFY, '-',
182 "Don't check signing certificate"},
183 {"text", OPT_TEXT, '-', "Print text form of request and response"},
184 {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"},
185 {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"},
186 {"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"},
187 {"no_cert_checks", OPT_NO_CERT_CHECKS, '-',
188 "Don't do additional checks on signing certificate"},
189 {"no_explicit", OPT_NO_EXPLICIT, '-',
190 "Do not explicitly check the chain, just verify the root"},
191 {"trust_other", OPT_TRUST_OTHER, '-',
192 "Don't verify additional certificates"},
193 {"no_intern", OPT_NO_INTERN, '-',
194 "Don't search certificates contained in response for signer"},
195 {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"},
196 {"VAfile", OPT_VAFILE, '<', "Validator certificates file"},
197 {"verify_other", OPT_VERIFY_OTHER, '<',
198 "Additional certificates to search for signer"},
199 {"cert", OPT_CERT, '<', "Certificate to check"},
200 {"serial", OPT_SERIAL, 's', "Serial number to check"},
201 {"validity_period", OPT_VALIDITY_PERIOD, 'u',
202 "Maximum validity discrepancy in seconds"},
203 {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"},
204 {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"},
205 {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"},
206 {"issuer", OPT_ISSUER, '<', "Issuer certificate"},
207 {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"},
208
209 OPT_V_OPTIONS,
210 OPT_PROV_OPTIONS,
211 {NULL}
212};
213
214int ocsp_main(int argc, char **argv)
215{
216 BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
217 EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
218 STACK_OF(OPENSSL_STRING) *rsign_sigopts = NULL;
219 int trailing_md = 0;
220 CA_DB *rdb = NULL;
221 EVP_PKEY *key = NULL, *rkey = NULL;
222 OCSP_BASICRESP *bs = NULL;
223 OCSP_REQUEST *req = NULL;
224 OCSP_RESPONSE *resp = NULL;
225 STACK_OF(CONF_VALUE) *headers = NULL;
226 STACK_OF(OCSP_CERTID) *ids = NULL;
227 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
228 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
229 STACK_OF(X509) *issuers = NULL;
230 X509 *issuer = NULL, *cert = NULL;
231 STACK_OF(X509) *rca_cert = NULL;
232 EVP_MD *resp_certid_md = NULL;
233 X509 *signer = NULL, *rsigner = NULL;
234 X509_STORE *store = NULL;
235 X509_VERIFY_PARAM *vpm = NULL;
236 const char *CAfile = NULL, *CApath = NULL, *CAstore = NULL;
237 char *header, *value, *respdigname = NULL;
238 char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
239#ifndef OPENSSL_NO_SOCK
240 char *opt_proxy = NULL;
241 char *opt_no_proxy = NULL;
242#endif
243 char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
244 char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
245 char *rsignfile = NULL, *rkeyfile = NULL;
246 char *passinarg = NULL, *passin = NULL;
247 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
248 char *signfile = NULL, *keyfile = NULL;
249 char *thost = NULL, *tport = NULL, *tpath = NULL;
250 int noCAfile = 0, noCApath = 0, noCAstore = 0;
251 int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
252 int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
253 int req_text = 0, resp_text = 0, res, ret = 1;
254 int req_timeout = -1;
255 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
256 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
257 OPTION_CHOICE o;
258
259 if ((reqnames = sk_OPENSSL_STRING_new_null()) == NULL
260 || (ids = sk_OCSP_CERTID_new_null()) == NULL
261 || (vpm = X509_VERIFY_PARAM_new()) == NULL)
262 goto end;
263
264 prog = opt_init(argc, argv, ocsp_options);
265 while ((o = opt_next()) != OPT_EOF) {
266 switch (o) {
267 case OPT_EOF:
268 case OPT_ERR:
269 opthelp:
270 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
271 goto end;
272 case OPT_HELP:
273 ret = 0;
274 opt_help(ocsp_options);
275 goto end;
276 case OPT_OUTFILE:
277 outfile = opt_arg();
278 break;
279 case OPT_TIMEOUT:
280#ifndef OPENSSL_NO_SOCK
281 req_timeout = atoi(opt_arg());
282#endif
283 break;
284 case OPT_URL:
285 OPENSSL_free(thost);
286 OPENSSL_free(tport);
287 OPENSSL_free(tpath);
288 thost = tport = tpath = NULL;
289 if (!OSSL_HTTP_parse_url(opt_arg(), &use_ssl, NULL /* userinfo */,
290 &host, &port, NULL /* port_num */,
291 &path, NULL /* qry */, NULL /* frag */)) {
292 BIO_printf(bio_err, "%s Error parsing -url argument\n", prog);
293 goto end;
294 }
295 thost = host;
296 tport = port;
297 tpath = path;
298 break;
299 case OPT_HOST:
300 host = opt_arg();
301 break;
302 case OPT_PORT:
303 port = opt_arg();
304 break;
305 case OPT_PATH:
306 path = opt_arg();
307 break;
308#ifndef OPENSSL_NO_SOCK
309 case OPT_PROXY:
310 opt_proxy = opt_arg();
311 break;
312 case OPT_NO_PROXY:
313 opt_no_proxy = opt_arg();
314 break;
315#endif
316 case OPT_IGNORE_ERR:
317 ignore_err = 1;
318 break;
319 case OPT_NOVERIFY:
320 noverify = 1;
321 break;
322 case OPT_NONCE:
323 add_nonce = 2;
324 break;
325 case OPT_NO_NONCE:
326 add_nonce = 0;
327 break;
328 case OPT_RESP_NO_CERTS:
329 rflags |= OCSP_NOCERTS;
330 break;
331 case OPT_RESP_KEY_ID:
332 rflags |= OCSP_RESPID_KEY;
333 break;
334 case OPT_NO_CERTS:
335 sign_flags |= OCSP_NOCERTS;
336 break;
337 case OPT_NO_SIGNATURE_VERIFY:
338 verify_flags |= OCSP_NOSIGS;
339 break;
340 case OPT_NO_CERT_VERIFY:
341 verify_flags |= OCSP_NOVERIFY;
342 break;
343 case OPT_NO_CHAIN:
344 verify_flags |= OCSP_NOCHAIN;
345 break;
346 case OPT_NO_CERT_CHECKS:
347 verify_flags |= OCSP_NOCHECKS;
348 break;
349 case OPT_NO_EXPLICIT:
350 verify_flags |= OCSP_NOEXPLICIT;
351 break;
352 case OPT_TRUST_OTHER:
353 verify_flags |= OCSP_TRUSTOTHER;
354 break;
355 case OPT_NO_INTERN:
356 verify_flags |= OCSP_NOINTERN;
357 break;
358 case OPT_BADSIG:
359 badsig = 1;
360 break;
361 case OPT_TEXT:
362 req_text = resp_text = 1;
363 break;
364 case OPT_REQ_TEXT:
365 req_text = 1;
366 break;
367 case OPT_RESP_TEXT:
368 resp_text = 1;
369 break;
370 case OPT_REQIN:
371 reqin = opt_arg();
372 break;
373 case OPT_RESPIN:
374 respin = opt_arg();
375 break;
376 case OPT_SIGNER:
377 signfile = opt_arg();
378 break;
379 case OPT_VAFILE:
380 verify_certfile = opt_arg();
381 verify_flags |= OCSP_TRUSTOTHER;
382 break;
383 case OPT_SIGN_OTHER:
384 sign_certfile = opt_arg();
385 break;
386 case OPT_VERIFY_OTHER:
387 verify_certfile = opt_arg();
388 break;
389 case OPT_CAFILE:
390 CAfile = opt_arg();
391 break;
392 case OPT_CAPATH:
393 CApath = opt_arg();
394 break;
395 case OPT_CASTORE:
396 CAstore = opt_arg();
397 break;
398 case OPT_NOCAFILE:
399 noCAfile = 1;
400 break;
401 case OPT_NOCAPATH:
402 noCApath = 1;
403 break;
404 case OPT_NOCASTORE:
405 noCAstore = 1;
406 break;
407 case OPT_V_CASES:
408 if (!opt_verify(o, vpm))
409 goto end;
410 vpmtouched++;
411 break;
412 case OPT_VALIDITY_PERIOD:
413 opt_long(opt_arg(), &nsec);
414 break;
415 case OPT_STATUS_AGE:
416 opt_long(opt_arg(), &maxage);
417 break;
418 case OPT_SIGNKEY:
419 keyfile = opt_arg();
420 break;
421 case OPT_REQOUT:
422 reqout = opt_arg();
423 break;
424 case OPT_RESPOUT:
425 respout = opt_arg();
426 break;
427 case OPT_ISSUER:
428 issuer = load_cert(opt_arg(), FORMAT_UNDEF, "issuer certificate");
429 if (issuer == NULL)
430 goto end;
431 if (issuers == NULL) {
432 if ((issuers = sk_X509_new_null()) == NULL)
433 goto end;
434 }
435 if (!sk_X509_push(issuers, issuer))
436 goto end;
437 break;
438 case OPT_CERT:
439 X509_free(cert);
440 cert = load_cert(opt_arg(), FORMAT_UNDEF, "certificate");
441 if (cert == NULL)
442 goto end;
443 if (cert_id_md == NULL)
444 cert_id_md = (EVP_MD *)EVP_sha1();
445 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
446 goto end;
447 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
448 goto end;
449 trailing_md = 0;
450 break;
451 case OPT_SERIAL:
452 if (cert_id_md == NULL)
453 cert_id_md = (EVP_MD *)EVP_sha1();
454 if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
455 goto end;
456 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
457 goto end;
458 trailing_md = 0;
459 break;
460 case OPT_INDEX:
461 ridx_filename = opt_arg();
462 break;
463 case OPT_CA:
464 rca_filename = opt_arg();
465 break;
466 case OPT_NMIN:
467 nmin = opt_int_arg();
468 if (ndays == -1)
469 ndays = 0;
470 break;
471 case OPT_REQUEST:
472 accept_count = opt_int_arg();
473 break;
474 case OPT_NDAYS:
475 ndays = atoi(opt_arg());
476 break;
477 case OPT_RSIGNER:
478 rsignfile = opt_arg();
479 break;
480 case OPT_RKEY:
481 rkeyfile = opt_arg();
482 break;
483 case OPT_PASSIN:
484 passinarg = opt_arg();
485 break;
486 case OPT_ROTHER:
487 rcertfile = opt_arg();
488 break;
489 case OPT_RMD: /* Response MessageDigest */
490 respdigname = opt_arg();
491 break;
492 case OPT_RSIGOPT:
493 if (rsign_sigopts == NULL)
494 rsign_sigopts = sk_OPENSSL_STRING_new_null();
495 if (rsign_sigopts == NULL
496 || !sk_OPENSSL_STRING_push(rsign_sigopts, opt_arg()))
497 goto end;
498 break;
499 case OPT_HEADER:
500 header = opt_arg();
501 value = strchr(header, '=');
502 if (value == NULL) {
503 BIO_printf(bio_err, "Missing = in header key=value\n");
504 goto opthelp;
505 }
506 *value++ = '\0';
507 if (!X509V3_add_value(header, value, &headers))
508 goto end;
509 break;
510 case OPT_RCID:
511 if (!opt_md(opt_arg(), &resp_certid_md))
512 goto opthelp;
513 break;
514 case OPT_MD:
515 if (trailing_md) {
516 BIO_printf(bio_err,
517 "%s: Digest must be before -cert or -serial\n",
518 prog);
519 goto opthelp;
520 }
521 if (!opt_md(opt_unknown(), &cert_id_md))
522 goto opthelp;
523 trailing_md = 1;
524 break;
525 case OPT_MULTI:
526#ifdef HTTP_DAEMON
527 multi = atoi(opt_arg());
528#endif
529 break;
530 case OPT_PROV_CASES:
531 if (!opt_provider(o))
532 goto end;
533 break;
534 }
535 }
536
537 /* No extra arguments. */
538 argc = opt_num_rest();
539 if (argc != 0)
540 goto opthelp;
541
542 if (trailing_md) {
543 BIO_printf(bio_err, "%s: Digest must be before -cert or -serial\n",
544 prog);
545 goto opthelp;
546 }
547
548 if (respdigname != NULL) {
549 if (!opt_md(respdigname, &rsign_md))
550 goto end;
551 }
552
553 /* Have we anything to do? */
554 if (req == NULL && reqin == NULL
555 && respin == NULL && !(port != NULL && ridx_filename != NULL))
556 goto opthelp;
557
558 out = bio_open_default(outfile, 'w', FORMAT_TEXT);
559 if (out == NULL)
560 goto end;
561
562 if (req == NULL && (add_nonce != 2))
563 add_nonce = 0;
564
565 if (req == NULL && reqin != NULL) {
566 derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
567 if (derbio == NULL)
568 goto end;
569 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
570 BIO_free(derbio);
571 if (req == NULL) {
572 BIO_printf(bio_err, "Error reading OCSP request\n");
573 goto end;
574 }
575 }
576
577 if (req == NULL && port != NULL) {
578#ifndef OPENSSL_NO_SOCK
579 acbio = http_server_init_bio(prog, port);
580 if (acbio == NULL)
581 goto end;
582#else
583 BIO_printf(bio_err, "Cannot act as server - sockets not supported\n");
584 goto end;
585#endif
586 }
587
588 if (rsignfile != NULL) {
589 if (rkeyfile == NULL)
590 rkeyfile = rsignfile;
591 rsigner = load_cert(rsignfile, FORMAT_UNDEF, "responder certificate");
592 if (rsigner == NULL) {
593 BIO_printf(bio_err, "Error loading responder certificate\n");
594 goto end;
595 }
596 if (!load_certs(rca_filename, 0, &rca_cert, NULL, "CA certificates"))
597 goto end;
598 if (rcertfile != NULL) {
599 if (!load_certs(rcertfile, 0, &rother, NULL,
600 "responder other certificates"))
601 goto end;
602 }
603 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
604 BIO_printf(bio_err, "Error getting password\n");
605 goto end;
606 }
607 rkey = load_key(rkeyfile, FORMAT_UNDEF, 0, passin, NULL,
608 "responder private key");
609 if (rkey == NULL)
610 goto end;
611 }
612
613 if (ridx_filename != NULL
614 && (rkey == NULL || rsigner == NULL || rca_cert == NULL)) {
615 BIO_printf(bio_err,
616 "Responder mode requires certificate, key, and CA.\n");
617 goto end;
618 }
619
620 if (ridx_filename != NULL) {
621 rdb = load_index(ridx_filename, NULL);
622 if (rdb == NULL || index_index(rdb) <= 0) {
623 BIO_printf(bio_err,
624 "Problem with index file: %s (could not load/parse file)\n",
625 ridx_filename);
626 ret = 1;
627 goto end;
628 }
629 }
630
631#ifdef HTTP_DAEMON
632 if (multi && acbio != NULL)
633 spawn_loop(prog);
634 if (acbio != NULL && req_timeout > 0)
635 signal(SIGALRM, socket_timeout);
636#endif
637
638 if (acbio != NULL)
639 log_message(prog, LOG_INFO, "waiting for OCSP client connections...");
640
641redo_accept:
642
643 if (acbio != NULL) {
644#ifdef HTTP_DAEMON
645 if (index_changed(rdb)) {
646 CA_DB *newrdb = load_index(ridx_filename, NULL);
647
648 if (newrdb != NULL && index_index(newrdb) > 0) {
649 free_index(rdb);
650 rdb = newrdb;
651 } else {
652 free_index(newrdb);
653 log_message(prog, LOG_ERR, "error reloading updated index: %s",
654 ridx_filename);
655 }
656 }
657#endif
658
659 req = NULL;
660 res = do_responder(&req, &cbio, acbio, port, req_timeout);
661 if (res == 0)
662 goto redo_accept;
663
664 if (req == NULL) {
665 if (res == 1) {
666 resp =
667 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
668 NULL);
669 send_ocsp_response(cbio, resp);
670 }
671 goto done_resp;
672 }
673 }
674
675 if (req == NULL
676 && (signfile != NULL || reqout != NULL
677 || host != NULL || add_nonce || ridx_filename != NULL)) {
678 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
679 goto end;
680 }
681
682 if (req != NULL && add_nonce) {
683 if (!OCSP_request_add1_nonce(req, NULL, -1))
684 goto end;
685 }
686
687 if (signfile != NULL) {
688 if (keyfile == NULL)
689 keyfile = signfile;
690 signer = load_cert(signfile, FORMAT_UNDEF, "signer certificate");
691 if (signer == NULL) {
692 BIO_printf(bio_err, "Error loading signer certificate\n");
693 goto end;
694 }
695 if (sign_certfile != NULL) {
696 if (!load_certs(sign_certfile, 0, &sign_other, NULL,
697 "signer certificates"))
698 goto end;
699 }
700 key = load_key(keyfile, FORMAT_UNDEF, 0, NULL, NULL,
701 "signer private key");
702 if (key == NULL)
703 goto end;
704
705 if (!OCSP_request_sign(req, signer, key, NULL,
706 sign_other, sign_flags)) {
707 BIO_printf(bio_err, "Error signing OCSP request\n");
708 goto end;
709 }
710 }
711
712 if (req_text && req != NULL)
713 OCSP_REQUEST_print(out, req, 0);
714
715 if (reqout != NULL) {
716 derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
717 if (derbio == NULL)
718 goto end;
719 i2d_OCSP_REQUEST_bio(derbio, req);
720 BIO_free(derbio);
721 }
722
723 if (rdb != NULL) {
724 make_ocsp_response(bio_err, &resp, req, rdb, rca_cert, rsigner, rkey,
725 rsign_md, rsign_sigopts, rother, rflags, nmin, ndays,
726 badsig, resp_certid_md);
727 if (cbio != NULL)
728 send_ocsp_response(cbio, resp);
729 } else if (host != NULL) {
730#ifndef OPENSSL_NO_SOCK
731 resp = process_responder(req, host, port, path, opt_proxy, opt_no_proxy,
732 use_ssl, headers, req_timeout);
733 if (resp == NULL)
734 goto end;
735#else
736 BIO_printf(bio_err,
737 "Error creating connect BIO - sockets not supported\n");
738 goto end;
739#endif
740 } else if (respin != NULL) {
741 derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
742 if (derbio == NULL)
743 goto end;
744 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
745 BIO_free(derbio);
746 if (resp == NULL) {
747 BIO_printf(bio_err, "Error reading OCSP response\n");
748 goto end;
749 }
750 } else {
751 ret = 0;
752 goto end;
753 }
754
755 done_resp:
756
757 if (respout != NULL) {
758 derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
759 if (derbio == NULL)
760 goto end;
761 i2d_OCSP_RESPONSE_bio(derbio, resp);
762 BIO_free(derbio);
763 }
764
765 i = OCSP_response_status(resp);
766 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
767 BIO_printf(out, "Responder Error: %s (%d)\n",
768 OCSP_response_status_str(i), i);
769 if (!ignore_err)
770 goto end;
771 }
772
773 if (resp_text)
774 OCSP_RESPONSE_print(out, resp, 0);
775
776 /* If running as responder don't verify our own response */
777 if (cbio != NULL) {
778 /* If not unlimited, see if we took all we should. */
779 if (accept_count != -1 && --accept_count <= 0) {
780 ret = 0;
781 goto end;
782 }
783 BIO_free_all(cbio);
784 cbio = NULL;
785 OCSP_REQUEST_free(req);
786 req = NULL;
787 OCSP_RESPONSE_free(resp);
788 resp = NULL;
789 goto redo_accept;
790 }
791 if (ridx_filename != NULL) {
792 ret = 0;
793 goto end;
794 }
795
796 if (store == NULL) {
797 store = setup_verify(CAfile, noCAfile, CApath, noCApath,
798 CAstore, noCAstore);
799 if (!store)
800 goto end;
801 }
802 if (vpmtouched)
803 X509_STORE_set1_param(store, vpm);
804 if (verify_certfile != NULL) {
805 if (!load_certs(verify_certfile, 0, &verify_other, NULL,
806 "validator certificates"))
807 goto end;
808 }
809
810 bs = OCSP_response_get1_basic(resp);
811 if (bs == NULL) {
812 BIO_printf(bio_err, "Error parsing response\n");
813 goto end;
814 }
815
816 ret = 0;
817
818 if (!noverify) {
819 if (req != NULL && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
820 if (i == -1)
821 BIO_printf(bio_err, "WARNING: no nonce in response\n");
822 else {
823 BIO_printf(bio_err, "Nonce Verify error\n");
824 ret = 1;
825 goto end;
826 }
827 }
828
829 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
830 if (i <= 0 && issuers) {
831 i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
832 if (i > 0)
833 ERR_clear_error();
834 }
835 if (i <= 0) {
836 BIO_printf(bio_err, "Response Verify Failure\n");
837 ERR_print_errors(bio_err);
838 ret = 1;
839 } else {
840 BIO_printf(bio_err, "Response verify OK\n");
841 }
842 }
843
844 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage))
845 ret = 1;
846
847 end:
848 ERR_print_errors(bio_err);
849 X509_free(signer);
850 X509_STORE_free(store);
851 X509_VERIFY_PARAM_free(vpm);
852 sk_OPENSSL_STRING_free(rsign_sigopts);
853 EVP_PKEY_free(key);
854 EVP_PKEY_free(rkey);
855 EVP_MD_free(cert_id_md);
856 EVP_MD_free(rsign_md);
857 EVP_MD_free(resp_certid_md);
858 X509_free(cert);
859 sk_X509_pop_free(issuers, X509_free);
860 X509_free(rsigner);
861 sk_X509_pop_free(rca_cert, X509_free);
862 free_index(rdb);
863 BIO_free_all(cbio);
864 BIO_free_all(acbio);
865 BIO_free_all(out);
866 OCSP_REQUEST_free(req);
867 OCSP_RESPONSE_free(resp);
868 OCSP_BASICRESP_free(bs);
869 sk_OPENSSL_STRING_free(reqnames);
870 sk_OCSP_CERTID_free(ids);
871 sk_X509_pop_free(sign_other, X509_free);
872 sk_X509_pop_free(verify_other, X509_free);
873 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
874 OPENSSL_free(thost);
875 OPENSSL_free(tport);
876 OPENSSL_free(tpath);
877
878 return ret;
879}
880
881#ifdef HTTP_DAEMON
882
883static int index_changed(CA_DB *rdb)
884{
885 struct stat sb;
886
887 if (rdb != NULL && stat(rdb->dbfname, &sb) != -1) {
888 if (rdb->dbst.st_mtime != sb.st_mtime
889 || rdb->dbst.st_ctime != sb.st_ctime
890 || rdb->dbst.st_ino != sb.st_ino
891 || rdb->dbst.st_dev != sb.st_dev) {
892 syslog(LOG_INFO, "index file changed, reloading");
893 return 1;
894 }
895 }
896 return 0;
897}
898
899#endif
900
901static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
902 const EVP_MD *cert_id_md, X509 *issuer,
903 STACK_OF(OCSP_CERTID) *ids)
904{
905 OCSP_CERTID *id;
906
907 if (issuer == NULL) {
908 BIO_printf(bio_err, "No issuer certificate specified\n");
909 return 0;
910 }
911 if (*req == NULL)
912 *req = OCSP_REQUEST_new();
913 if (*req == NULL)
914 goto err;
915 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
916 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
917 goto err;
918 if (!OCSP_request_add0_id(*req, id))
919 goto err;
920 return 1;
921
922 err:
923 BIO_printf(bio_err, "Error Creating OCSP request\n");
924 return 0;
925}
926
927static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
928 const EVP_MD *cert_id_md, X509 *issuer,
929 STACK_OF(OCSP_CERTID) *ids)
930{
931 OCSP_CERTID *id;
932 const X509_NAME *iname;
933 ASN1_BIT_STRING *ikey;
934 ASN1_INTEGER *sno;
935
936 if (issuer == NULL) {
937 BIO_printf(bio_err, "No issuer certificate specified\n");
938 return 0;
939 }
940 if (*req == NULL)
941 *req = OCSP_REQUEST_new();
942 if (*req == NULL)
943 goto err;
944 iname = X509_get_subject_name(issuer);
945 ikey = X509_get0_pubkey_bitstr(issuer);
946 sno = s2i_ASN1_INTEGER(NULL, serial);
947 if (sno == NULL) {
948 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
949 return 0;
950 }
951 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
952 ASN1_INTEGER_free(sno);
953 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
954 goto err;
955 if (!OCSP_request_add0_id(*req, id))
956 goto err;
957 return 1;
958
959 err:
960 BIO_printf(bio_err, "Error Creating OCSP request\n");
961 return 0;
962}
963
964static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
965 STACK_OF(OPENSSL_STRING) *names,
966 STACK_OF(OCSP_CERTID) *ids, long nsec,
967 long maxage)
968{
969 OCSP_CERTID *id;
970 const char *name;
971 int i, status, reason;
972 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
973 int ret = 1;
974
975 if (req == NULL || !sk_OPENSSL_STRING_num(names))
976 return 1;
977
978 if (bs == NULL || !sk_OCSP_CERTID_num(ids))
979 return 0;
980
981 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
982 id = sk_OCSP_CERTID_value(ids, i);
983 name = sk_OPENSSL_STRING_value(names, i);
984 BIO_printf(out, "%s: ", name);
985
986 if (!OCSP_resp_find_status(bs, id, &status, &reason,
987 &rev, &thisupd, &nextupd)) {
988 BIO_puts(out, "ERROR: No Status found.\n");
989 ret = 0;
990 continue;
991 }
992
993 /*
994 * Check validity: if invalid write to output BIO so we know which
995 * response this refers to.
996 */
997 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
998 BIO_puts(out, "WARNING: Status times invalid.\n");
999 ERR_print_errors(out);
1000 }
1001 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
1002
1003 BIO_puts(out, "\tThis Update: ");
1004 ASN1_GENERALIZEDTIME_print(out, thisupd);
1005 BIO_puts(out, "\n");
1006
1007 if (nextupd) {
1008 BIO_puts(out, "\tNext Update: ");
1009 ASN1_GENERALIZEDTIME_print(out, nextupd);
1010 BIO_puts(out, "\n");
1011 }
1012
1013 if (status != V_OCSP_CERTSTATUS_REVOKED)
1014 continue;
1015
1016 if (reason != -1)
1017 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
1018
1019 BIO_puts(out, "\tRevocation Time: ");
1020 ASN1_GENERALIZEDTIME_print(out, rev);
1021 BIO_puts(out, "\n");
1022 }
1023 return ret;
1024}
1025
1026static void make_ocsp_response(BIO *err, OCSP_RESPONSE **resp, OCSP_REQUEST *req,
1027 CA_DB *db, STACK_OF(X509) *ca, X509 *rcert,
1028 EVP_PKEY *rkey, const EVP_MD *rmd,
1029 STACK_OF(OPENSSL_STRING) *sigopts,
1030 STACK_OF(X509) *rother, unsigned long flags,
1031 int nmin, int ndays, int badsig,
1032 const EVP_MD *resp_md)
1033{
1034 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
1035 OCSP_CERTID *cid;
1036 OCSP_BASICRESP *bs = NULL;
1037 int i, id_count;
1038 EVP_MD_CTX *mctx = NULL;
1039 EVP_PKEY_CTX *pkctx = NULL;
1040
1041 id_count = OCSP_request_onereq_count(req);
1042
1043 if (id_count <= 0) {
1044 *resp =
1045 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
1046 goto end;
1047 }
1048
1049 bs = OCSP_BASICRESP_new();
1050 thisupd = X509_gmtime_adj(NULL, 0);
1051 if (ndays != -1)
1052 nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL);
1053
1054 /* Examine each certificate id in the request */
1055 for (i = 0; i < id_count; i++) {
1056 OCSP_ONEREQ *one;
1057 ASN1_INTEGER *serial;
1058 char **inf;
1059 int jj;
1060 int found = 0;
1061 ASN1_OBJECT *cert_id_md_oid;
1062 const EVP_MD *cert_id_md;
1063 OCSP_CERTID *cid_resp_md = NULL;
1064
1065 one = OCSP_request_onereq_get0(req, i);
1066 cid = OCSP_onereq_get0_id(one);
1067
1068 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
1069
1070 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
1071 if (cert_id_md == NULL) {
1072 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
1073 NULL);
1074 goto end;
1075 }
1076 for (jj = 0; jj < sk_X509_num(ca) && !found; jj++) {
1077 X509 *ca_cert = sk_X509_value(ca, jj);
1078 OCSP_CERTID *ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca_cert);
1079
1080 if (OCSP_id_issuer_cmp(ca_id, cid) == 0) {
1081 found = 1;
1082 if (resp_md != NULL)
1083 cid_resp_md = OCSP_cert_to_id(resp_md, NULL, ca_cert);
1084 }
1085 OCSP_CERTID_free(ca_id);
1086 }
1087 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
1088 inf = lookup_serial(db, serial);
1089
1090 /* at this point, we can have cid be an alias of cid_resp_md */
1091 cid = (cid_resp_md != NULL) ? cid_resp_md : cid;
1092
1093 if (!found) {
1094 OCSP_basic_add1_status(bs, cid,
1095 V_OCSP_CERTSTATUS_UNKNOWN,
1096 0, NULL, thisupd, nextupd);
1097 continue;
1098 }
1099 if (inf == NULL) {
1100 OCSP_basic_add1_status(bs, cid,
1101 V_OCSP_CERTSTATUS_UNKNOWN,
1102 0, NULL, thisupd, nextupd);
1103 } else if (inf[DB_type][0] == DB_TYPE_VAL) {
1104 OCSP_basic_add1_status(bs, cid,
1105 V_OCSP_CERTSTATUS_GOOD,
1106 0, NULL, thisupd, nextupd);
1107 } else if (inf[DB_type][0] == DB_TYPE_REV) {
1108 ASN1_OBJECT *inst = NULL;
1109 ASN1_TIME *revtm = NULL;
1110 ASN1_GENERALIZEDTIME *invtm = NULL;
1111 OCSP_SINGLERESP *single;
1112 int reason = -1;
1113
1114 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
1115 single = OCSP_basic_add1_status(bs, cid,
1116 V_OCSP_CERTSTATUS_REVOKED,
1117 reason, revtm, thisupd, nextupd);
1118 if (single == NULL) {
1119 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
1120 NULL);
1121 goto end;
1122 }
1123 if (invtm != NULL)
1124 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
1125 invtm, 0, 0);
1126 else if (inst != NULL)
1127 OCSP_SINGLERESP_add1_ext_i2d(single,
1128 NID_hold_instruction_code, inst,
1129 0, 0);
1130 ASN1_OBJECT_free(inst);
1131 ASN1_TIME_free(revtm);
1132 ASN1_GENERALIZEDTIME_free(invtm);
1133 }
1134 OCSP_CERTID_free(cid_resp_md);
1135 }
1136
1137 OCSP_copy_nonce(bs, req);
1138
1139 mctx = EVP_MD_CTX_new();
1140 if ( mctx == NULL || !EVP_DigestSignInit(mctx, &pkctx, rmd, NULL, rkey)) {
1141 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, NULL);
1142 goto end;
1143 }
1144 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1145 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1146
1147 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1148 BIO_printf(err, "parameter error \"%s\"\n", sigopt);
1149 ERR_print_errors(bio_err);
1150 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
1151 NULL);
1152 goto end;
1153 }
1154 }
1155 if (!OCSP_basic_sign_ctx(bs, rcert, mctx, rother, flags)) {
1156 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, bs);
1157 goto end;
1158 }
1159
1160 if (badsig) {
1161 const ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs);
1162 corrupt_signature(sig);
1163 }
1164
1165 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
1166
1167 end:
1168 EVP_MD_CTX_free(mctx);
1169 ASN1_TIME_free(thisupd);
1170 ASN1_TIME_free(nextupd);
1171 OCSP_BASICRESP_free(bs);
1172}
1173
1174static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
1175{
1176 int i;
1177 BIGNUM *bn = NULL;
1178 char *itmp, *row[DB_NUMBER], **rrow;
1179 for (i = 0; i < DB_NUMBER; i++)
1180 row[i] = NULL;
1181 bn = ASN1_INTEGER_to_BN(ser, NULL);
1182 OPENSSL_assert(bn); /* FIXME: should report an error at this
1183 * point and abort */
1184 if (BN_is_zero(bn)) {
1185 itmp = OPENSSL_strdup("00");
1186 OPENSSL_assert(itmp);
1187 } else {
1188 itmp = BN_bn2hex(bn);
1189 }
1190 row[DB_serial] = itmp;
1191 BN_free(bn);
1192 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
1193 OPENSSL_free(itmp);
1194 return rrow;
1195}
1196
1197static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
1198 const char *port, int timeout)
1199{
1200#ifndef OPENSSL_NO_SOCK
1201 return http_server_get_asn1_req(ASN1_ITEM_rptr(OCSP_REQUEST),
1202 (ASN1_VALUE **)preq, NULL, pcbio, acbio,
1203 NULL /* found_keep_alive */,
1204 prog, port, 1 /* accept_get */, timeout);
1205#else
1206 BIO_printf(bio_err,
1207 "Error getting OCSP request - sockets not supported\n");
1208 *preq = NULL;
1209 return 0;
1210#endif
1211}
1212
1213static int send_ocsp_response(BIO *cbio, const OCSP_RESPONSE *resp)
1214{
1215#ifndef OPENSSL_NO_SOCK
1216 return http_server_send_asn1_resp(cbio,
1217 0 /* no keep-alive */,
1218 "application/ocsp-response",
1219 ASN1_ITEM_rptr(OCSP_RESPONSE),
1220 (const ASN1_VALUE *)resp);
1221#else
1222 BIO_printf(bio_err,
1223 "Error sending OCSP response - sockets not supported\n");
1224 return 0;
1225#endif
1226}
1227
1228#ifndef OPENSSL_NO_SOCK
1229OCSP_RESPONSE *process_responder(OCSP_REQUEST *req, const char *host,
1230 const char *port, const char *path,
1231 const char *proxy, const char *no_proxy,
1232 int use_ssl, STACK_OF(CONF_VALUE) *headers,
1233 int req_timeout)
1234{
1235 SSL_CTX *ctx = NULL;
1236 OCSP_RESPONSE *resp = NULL;
1237
1238 if (use_ssl == 1) {
1239 ctx = SSL_CTX_new(TLS_client_method());
1240 if (ctx == NULL) {
1241 BIO_printf(bio_err, "Error creating SSL context.\n");
1242 goto end;
1243 }
1244 }
1245
1246 resp = (OCSP_RESPONSE *)
1247 app_http_post_asn1(host, port, path, proxy, no_proxy,
1248 ctx, headers, "application/ocsp-request",
1249 (ASN1_VALUE *)req, ASN1_ITEM_rptr(OCSP_REQUEST),
1250 "application/ocsp-response",
1251 req_timeout, ASN1_ITEM_rptr(OCSP_RESPONSE));
1252
1253 if (resp == NULL)
1254 BIO_printf(bio_err, "Error querying OCSP responder\n");
1255
1256 end:
1257 SSL_CTX_free(ctx);
1258 return resp;
1259}
1260#endif
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