source: EcnlProtoTool/trunk/openssl-1.1.0e/apps/ocsp.c@ 331

Last change on this file since 331 was 331, checked in by coas-nagasima, 6 years ago

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc
File size: 39.9 KB
Line 
1/*
2 * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (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_NO_OCSP
13NON_EMPTY_TRANSLATION_UNIT
14#else
15# ifdef OPENSSL_SYS_VMS
16# define _XOPEN_SOURCE_EXTENDED/* So fd_set and friends get properly defined
17 * on OpenVMS */
18# endif
19
20# define USE_SOCKETS
21
22# include <stdio.h>
23# include <stdlib.h>
24# include <string.h>
25# include <time.h>
26# include <ctype.h>
27
28/* Needs to be included before the openssl headers */
29# include "apps.h"
30# include <openssl/e_os2.h>
31# include <openssl/crypto.h>
32# include <openssl/err.h>
33# include <openssl/ssl.h>
34# include <openssl/evp.h>
35# include <openssl/bn.h>
36# include <openssl/x509v3.h>
37
38# if defined(NETWARE_CLIB)
39# ifdef NETWARE_BSDSOCK
40# include <sys/socket.h>
41# include <sys/bsdskt.h>
42# else
43# include <novsock2.h>
44# endif
45# elif defined(NETWARE_LIBC)
46# ifdef NETWARE_BSDSOCK
47# include <sys/select.h>
48# else
49# include <novsock2.h>
50# endif
51# endif
52
53/* Maximum leeway in validity period: default 5 minutes */
54# define MAX_VALIDITY_PERIOD (5 * 60)
55
56static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
57 const EVP_MD *cert_id_md, X509 *issuer,
58 STACK_OF(OCSP_CERTID) *ids);
59static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
60 const EVP_MD *cert_id_md, X509 *issuer,
61 STACK_OF(OCSP_CERTID) *ids);
62static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
63 STACK_OF(OPENSSL_STRING) *names,
64 STACK_OF(OCSP_CERTID) *ids, long nsec,
65 long maxage);
66static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
67 CA_DB *db, X509 *ca, X509 *rcert,
68 EVP_PKEY *rkey, const EVP_MD *md,
69 STACK_OF(X509) *rother, unsigned long flags,
70 int nmin, int ndays, int badsig);
71
72static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
73static BIO *init_responder(const char *port);
74static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio);
75static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
76
77# ifndef OPENSSL_NO_SOCK
78static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
79 const char *path,
80 const STACK_OF(CONF_VALUE) *headers,
81 OCSP_REQUEST *req, int req_timeout);
82# endif
83
84typedef enum OPTION_choice {
85 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
86 OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT,
87 OPT_IGNORE_ERR, OPT_NOVERIFY, OPT_NONCE, OPT_NO_NONCE,
88 OPT_RESP_NO_CERTS, OPT_RESP_KEY_ID, OPT_NO_CERTS,
89 OPT_NO_SIGNATURE_VERIFY, OPT_NO_CERT_VERIFY, OPT_NO_CHAIN,
90 OPT_NO_CERT_CHECKS, OPT_NO_EXPLICIT, OPT_TRUST_OTHER,
91 OPT_NO_INTERN, OPT_BADSIG, OPT_TEXT, OPT_REQ_TEXT, OPT_RESP_TEXT,
92 OPT_REQIN, OPT_RESPIN, OPT_SIGNER, OPT_VAFILE, OPT_SIGN_OTHER,
93 OPT_VERIFY_OTHER, OPT_CAFILE, OPT_CAPATH, OPT_NOCAFILE, OPT_NOCAPATH,
94 OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT,
95 OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL,
96 OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER,
97 OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_HEADER,
98 OPT_V_ENUM,
99 OPT_MD
100} OPTION_CHOICE;
101
102OPTIONS ocsp_options[] = {
103 {"help", OPT_HELP, '-', "Display this summary"},
104 {"out", OPT_OUTFILE, '>', "Output filename"},
105 {"timeout", OPT_TIMEOUT, 'p',
106 "Connection timeout (in seconds) to the OCSP responder"},
107 {"url", OPT_URL, 's', "Responder URL"},
108 {"host", OPT_HOST, 's', "TCP/IP hostname:port to connect to"},
109 {"port", OPT_PORT, 'p', "Port to run responder on"},
110 {"ignore_err", OPT_IGNORE_ERR, '-',
111 "Ignore Error response from OCSP responder, and retry "},
112 {"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"},
113 {"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"},
114 {"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"},
115 {"resp_no_certs", OPT_RESP_NO_CERTS, '-',
116 "Don't include any certificates in response"},
117 {"resp_key_id", OPT_RESP_KEY_ID, '-',
118 "Identify response by signing certificate key ID"},
119 {"no_certs", OPT_NO_CERTS, '-',
120 "Don't include any certificates in signed request"},
121 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-',
122 "Don't check signature on response"},
123 {"no_cert_verify", OPT_NO_CERT_VERIFY, '-',
124 "Don't check signing certificate"},
125 {"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"},
126 {"no_cert_checks", OPT_NO_CERT_CHECKS, '-',
127 "Don't do additional checks on signing certificate"},
128 {"no_explicit", OPT_NO_EXPLICIT, '-',
129 "Do not explicitly check the chain, just verify the root"},
130 {"trust_other", OPT_TRUST_OTHER, '-',
131 "Don't verify additional certificates"},
132 {"no_intern", OPT_NO_INTERN, '-',
133 "Don't search certificates contained in response for signer"},
134 {"badsig", OPT_BADSIG, '-',
135 "Corrupt last byte of loaded OSCP response signature (for test)"},
136 {"text", OPT_TEXT, '-', "Print text form of request and response"},
137 {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"},
138 {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"},
139 {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"},
140 {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"},
141 {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"},
142 {"VAfile", OPT_VAFILE, '<', "Validator certificates file"},
143 {"sign_other", OPT_SIGN_OTHER, '<',
144 "Additional certificates to include in signed request"},
145 {"verify_other", OPT_VERIFY_OTHER, '<',
146 "Additional certificates to search for signer"},
147 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
148 {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"},
149 {"no-CAfile", OPT_NOCAFILE, '-',
150 "Do not load the default certificates file"},
151 {"no-CApath", OPT_NOCAPATH, '-',
152 "Do not load certificates from the default certificates directory"},
153 {"validity_period", OPT_VALIDITY_PERIOD, 'u',
154 "Maximum validity discrepancy in seconds"},
155 {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"},
156 {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"},
157 {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"},
158 {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"},
159 {"path", OPT_PATH, 's', "Path to use in OCSP request"},
160 {"issuer", OPT_ISSUER, '<', "Issuer certificate"},
161 {"cert", OPT_CERT, '<', "Certificate to check"},
162 {"serial", OPT_SERIAL, 's', "Serial number to check"},
163 {"index", OPT_INDEX, '<', "Certificate status index file"},
164 {"CA", OPT_CA, '<', "CA certificate"},
165 {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"},
166 {"nrequest", OPT_REQUEST, 'p',
167 "Number of requests to accept (default unlimited)"},
168 {"ndays", OPT_NDAYS, 'p', "Number of days before next update"},
169 {"rsigner", OPT_RSIGNER, '<',
170 "Responder certificate to sign responses with"},
171 {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"},
172 {"rother", OPT_ROTHER, '<', "Other certificates to include in response"},
173 {"rmd", OPT_RMD, 's', "Digest Algorithm to use in signature of OCSP response"},
174 {"header", OPT_HEADER, 's', "key=value header to add"},
175 {"", OPT_MD, '-', "Any supported digest algorithm (sha1,sha256, ... )"},
176 OPT_V_OPTIONS,
177 {NULL}
178};
179
180int ocsp_main(int argc, char **argv)
181{
182 BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
183 const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
184 int trailing_md = 0;
185 CA_DB *rdb = NULL;
186 EVP_PKEY *key = NULL, *rkey = NULL;
187 OCSP_BASICRESP *bs = NULL;
188 OCSP_REQUEST *req = NULL;
189 OCSP_RESPONSE *resp = NULL;
190 STACK_OF(CONF_VALUE) *headers = NULL;
191 STACK_OF(OCSP_CERTID) *ids = NULL;
192 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
193 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
194 STACK_OF(X509) *issuers = NULL;
195 X509 *issuer = NULL, *cert = NULL, *rca_cert = NULL;
196 X509 *signer = NULL, *rsigner = NULL;
197 X509_STORE *store = NULL;
198 X509_VERIFY_PARAM *vpm = NULL;
199 const char *CAfile = NULL, *CApath = NULL;
200 char *header, *value;
201 char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
202 char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
203 char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
204 char *rsignfile = NULL, *rkeyfile = NULL;
205 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
206 char *signfile = NULL, *keyfile = NULL;
207 char *thost = NULL, *tport = NULL, *tpath = NULL;
208 int noCAfile = 0, noCApath = 0;
209 int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
210 int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
211 int req_text = 0, resp_text = 0, ret = 1;
212#ifndef OPENSSL_NO_SOCK
213 int req_timeout = -1;
214#endif
215 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
216 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
217 OPTION_CHOICE o;
218 char *prog;
219
220 reqnames = sk_OPENSSL_STRING_new_null();
221 if (!reqnames)
222 goto end;
223 ids = sk_OCSP_CERTID_new_null();
224 if (!ids)
225 goto end;
226 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
227 return 1;
228
229 prog = opt_init(argc, argv, ocsp_options);
230 while ((o = opt_next()) != OPT_EOF) {
231 switch (o) {
232 case OPT_EOF:
233 case OPT_ERR:
234 opthelp:
235 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
236 goto end;
237 case OPT_HELP:
238 ret = 0;
239 opt_help(ocsp_options);
240 goto end;
241 case OPT_OUTFILE:
242 outfile = opt_arg();
243 break;
244 case OPT_TIMEOUT:
245#ifndef OPENSSL_NO_SOCK
246 req_timeout = atoi(opt_arg());
247#endif
248 break;
249 case OPT_URL:
250 OPENSSL_free(thost);
251 OPENSSL_free(tport);
252 OPENSSL_free(tpath);
253 thost = tport = tpath = NULL;
254 if (!OCSP_parse_url(opt_arg(), &host, &port, &path, &use_ssl)) {
255 BIO_printf(bio_err, "%s Error parsing URL\n", prog);
256 goto end;
257 }
258 thost = host;
259 tport = port;
260 tpath = path;
261 break;
262 case OPT_HOST:
263 host = opt_arg();
264 break;
265 case OPT_PORT:
266 port = opt_arg();
267 break;
268 case OPT_IGNORE_ERR:
269 ignore_err = 1;
270 break;
271 case OPT_NOVERIFY:
272 noverify = 1;
273 break;
274 case OPT_NONCE:
275 add_nonce = 2;
276 break;
277 case OPT_NO_NONCE:
278 add_nonce = 0;
279 break;
280 case OPT_RESP_NO_CERTS:
281 rflags |= OCSP_NOCERTS;
282 break;
283 case OPT_RESP_KEY_ID:
284 rflags |= OCSP_RESPID_KEY;
285 break;
286 case OPT_NO_CERTS:
287 sign_flags |= OCSP_NOCERTS;
288 break;
289 case OPT_NO_SIGNATURE_VERIFY:
290 verify_flags |= OCSP_NOSIGS;
291 break;
292 case OPT_NO_CERT_VERIFY:
293 verify_flags |= OCSP_NOVERIFY;
294 break;
295 case OPT_NO_CHAIN:
296 verify_flags |= OCSP_NOCHAIN;
297 break;
298 case OPT_NO_CERT_CHECKS:
299 verify_flags |= OCSP_NOCHECKS;
300 break;
301 case OPT_NO_EXPLICIT:
302 verify_flags |= OCSP_NOEXPLICIT;
303 break;
304 case OPT_TRUST_OTHER:
305 verify_flags |= OCSP_TRUSTOTHER;
306 break;
307 case OPT_NO_INTERN:
308 verify_flags |= OCSP_NOINTERN;
309 break;
310 case OPT_BADSIG:
311 badsig = 1;
312 break;
313 case OPT_TEXT:
314 req_text = resp_text = 1;
315 break;
316 case OPT_REQ_TEXT:
317 req_text = 1;
318 break;
319 case OPT_RESP_TEXT:
320 resp_text = 1;
321 break;
322 case OPT_REQIN:
323 reqin = opt_arg();
324 break;
325 case OPT_RESPIN:
326 respin = opt_arg();
327 break;
328 case OPT_SIGNER:
329 signfile = opt_arg();
330 break;
331 case OPT_VAFILE:
332 verify_certfile = opt_arg();
333 verify_flags |= OCSP_TRUSTOTHER;
334 break;
335 case OPT_SIGN_OTHER:
336 sign_certfile = opt_arg();
337 break;
338 case OPT_VERIFY_OTHER:
339 verify_certfile = opt_arg();
340 break;
341 case OPT_CAFILE:
342 CAfile = opt_arg();
343 break;
344 case OPT_CAPATH:
345 CApath = opt_arg();
346 break;
347 case OPT_NOCAFILE:
348 noCAfile = 1;
349 break;
350 case OPT_NOCAPATH:
351 noCApath = 1;
352 break;
353 case OPT_V_CASES:
354 if (!opt_verify(o, vpm))
355 goto end;
356 vpmtouched++;
357 break;
358 case OPT_VALIDITY_PERIOD:
359 opt_long(opt_arg(), &nsec);
360 break;
361 case OPT_STATUS_AGE:
362 opt_long(opt_arg(), &maxage);
363 break;
364 case OPT_SIGNKEY:
365 keyfile = opt_arg();
366 break;
367 case OPT_REQOUT:
368 reqout = opt_arg();
369 break;
370 case OPT_RESPOUT:
371 respout = opt_arg();
372 break;
373 case OPT_PATH:
374 path = opt_arg();
375 break;
376 case OPT_ISSUER:
377 issuer = load_cert(opt_arg(), FORMAT_PEM, "issuer certificate");
378 if (issuer == NULL)
379 goto end;
380 if (issuers == NULL) {
381 if ((issuers = sk_X509_new_null()) == NULL)
382 goto end;
383 }
384 sk_X509_push(issuers, issuer);
385 break;
386 case OPT_CERT:
387 X509_free(cert);
388 cert = load_cert(opt_arg(), FORMAT_PEM, "certificate");
389 if (cert == NULL)
390 goto end;
391 if (cert_id_md == NULL)
392 cert_id_md = EVP_sha1();
393 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
394 goto end;
395 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
396 goto end;
397 trailing_md = 0;
398 break;
399 case OPT_SERIAL:
400 if (cert_id_md == NULL)
401 cert_id_md = EVP_sha1();
402 if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
403 goto end;
404 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
405 goto end;
406 trailing_md = 0;
407 break;
408 case OPT_INDEX:
409 ridx_filename = opt_arg();
410 break;
411 case OPT_CA:
412 rca_filename = opt_arg();
413 break;
414 case OPT_NMIN:
415 opt_int(opt_arg(), &nmin);
416 if (ndays == -1)
417 ndays = 0;
418 break;
419 case OPT_REQUEST:
420 opt_int(opt_arg(), &accept_count);
421 break;
422 case OPT_NDAYS:
423 ndays = atoi(opt_arg());
424 break;
425 case OPT_RSIGNER:
426 rsignfile = opt_arg();
427 break;
428 case OPT_RKEY:
429 rkeyfile = opt_arg();
430 break;
431 case OPT_ROTHER:
432 rcertfile = opt_arg();
433 break;
434 case OPT_RMD: /* Response MessageDigest */
435 if (!opt_md(opt_arg(), &rsign_md))
436 goto end;
437 break;
438 case OPT_HEADER:
439 header = opt_arg();
440 value = strchr(header, '=');
441 if (value == NULL) {
442 BIO_printf(bio_err, "Missing = in header key=value\n");
443 goto opthelp;
444 }
445 *value++ = '\0';
446 if (!X509V3_add_value(header, value, &headers))
447 goto end;
448 break;
449 case OPT_MD:
450 if (trailing_md) {
451 BIO_printf(bio_err,
452 "%s: Digest must be before -cert or -serial\n",
453 prog);
454 goto opthelp;
455 }
456 if (!opt_md(opt_unknown(), &cert_id_md))
457 goto opthelp;
458 trailing_md = 1;
459 break;
460 }
461 }
462
463 if (trailing_md) {
464 BIO_printf(bio_err, "%s: Digest must be before -cert or -serial\n",
465 prog);
466 goto opthelp;
467 }
468 argc = opt_num_rest();
469 if (argc != 0)
470 goto opthelp;
471
472 /* Have we anything to do? */
473 if (!req && !reqin && !respin && !(port && ridx_filename))
474 goto opthelp;
475
476 out = bio_open_default(outfile, 'w', FORMAT_TEXT);
477 if (out == NULL)
478 goto end;
479
480 if (!req && (add_nonce != 2))
481 add_nonce = 0;
482
483 if (!req && reqin) {
484 derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
485 if (derbio == NULL)
486 goto end;
487 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
488 BIO_free(derbio);
489 if (!req) {
490 BIO_printf(bio_err, "Error reading OCSP request\n");
491 goto end;
492 }
493 }
494
495 if (!req && port) {
496 acbio = init_responder(port);
497 if (!acbio)
498 goto end;
499 }
500
501 if (rsignfile) {
502 if (!rkeyfile)
503 rkeyfile = rsignfile;
504 rsigner = load_cert(rsignfile, FORMAT_PEM, "responder certificate");
505 if (!rsigner) {
506 BIO_printf(bio_err, "Error loading responder certificate\n");
507 goto end;
508 }
509 rca_cert = load_cert(rca_filename, FORMAT_PEM, "CA certificate");
510 if (rcertfile) {
511 if (!load_certs(rcertfile, &rother, FORMAT_PEM, NULL,
512 "responder other certificates"))
513 goto end;
514 }
515 rkey = load_key(rkeyfile, FORMAT_PEM, 0, NULL, NULL,
516 "responder private key");
517 if (!rkey)
518 goto end;
519 }
520 if (acbio)
521 BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
522
523 redo_accept:
524
525 if (acbio) {
526 if (!do_responder(&req, &cbio, acbio))
527 goto end;
528 if (!req) {
529 resp =
530 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
531 NULL);
532 send_ocsp_response(cbio, resp);
533 goto done_resp;
534 }
535 }
536
537 if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) {
538 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
539 goto end;
540 }
541
542 if (req && add_nonce)
543 OCSP_request_add1_nonce(req, NULL, -1);
544
545 if (signfile) {
546 if (!keyfile)
547 keyfile = signfile;
548 signer = load_cert(signfile, FORMAT_PEM, "signer certificate");
549 if (!signer) {
550 BIO_printf(bio_err, "Error loading signer certificate\n");
551 goto end;
552 }
553 if (sign_certfile) {
554 if (!load_certs(sign_certfile, &sign_other, FORMAT_PEM, NULL,
555 "signer certificates"))
556 goto end;
557 }
558 key = load_key(keyfile, FORMAT_PEM, 0, NULL, NULL,
559 "signer private key");
560 if (!key)
561 goto end;
562
563 if (!OCSP_request_sign
564 (req, signer, key, NULL, sign_other, sign_flags)) {
565 BIO_printf(bio_err, "Error signing OCSP request\n");
566 goto end;
567 }
568 }
569
570 if (req_text && req)
571 OCSP_REQUEST_print(out, req, 0);
572
573 if (reqout) {
574 derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
575 if (derbio == NULL)
576 goto end;
577 i2d_OCSP_REQUEST_bio(derbio, req);
578 BIO_free(derbio);
579 }
580
581 if (ridx_filename && (!rkey || !rsigner || !rca_cert)) {
582 BIO_printf(bio_err,
583 "Need a responder certificate, key and CA for this operation!\n");
584 goto end;
585 }
586
587 if (ridx_filename && !rdb) {
588 rdb = load_index(ridx_filename, NULL);
589 if (!rdb)
590 goto end;
591 if (!index_index(rdb))
592 goto end;
593 }
594
595 if (rdb) {
596 make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey,
597 rsign_md, rother, rflags, nmin, ndays, badsig);
598 if (cbio)
599 send_ocsp_response(cbio, resp);
600 } else if (host) {
601# ifndef OPENSSL_NO_SOCK
602 resp = process_responder(req, host, path,
603 port, use_ssl, headers, req_timeout);
604 if (!resp)
605 goto end;
606# else
607 BIO_printf(bio_err,
608 "Error creating connect BIO - sockets not supported.\n");
609 goto end;
610# endif
611 } else if (respin) {
612 derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
613 if (derbio == NULL)
614 goto end;
615 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
616 BIO_free(derbio);
617 if (!resp) {
618 BIO_printf(bio_err, "Error reading OCSP response\n");
619 goto end;
620 }
621 } else {
622 ret = 0;
623 goto end;
624 }
625
626 done_resp:
627
628 if (respout) {
629 derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
630 if (derbio == NULL)
631 goto end;
632 i2d_OCSP_RESPONSE_bio(derbio, resp);
633 BIO_free(derbio);
634 }
635
636 i = OCSP_response_status(resp);
637 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
638 BIO_printf(out, "Responder Error: %s (%d)\n",
639 OCSP_response_status_str(i), i);
640 if (ignore_err)
641 goto redo_accept;
642 ret = 0;
643 goto end;
644 }
645
646 if (resp_text)
647 OCSP_RESPONSE_print(out, resp, 0);
648
649 /* If running as responder don't verify our own response */
650 if (cbio) {
651 /* If not unlimited, see if we took all we should. */
652 if (accept_count != -1 && --accept_count <= 0) {
653 ret = 0;
654 goto end;
655 }
656 BIO_free_all(cbio);
657 cbio = NULL;
658 OCSP_REQUEST_free(req);
659 req = NULL;
660 OCSP_RESPONSE_free(resp);
661 resp = NULL;
662 goto redo_accept;
663 }
664 if (ridx_filename) {
665 ret = 0;
666 goto end;
667 }
668
669 if (!store) {
670 store = setup_verify(CAfile, CApath, noCAfile, noCApath);
671 if (!store)
672 goto end;
673 }
674 if (vpmtouched)
675 X509_STORE_set1_param(store, vpm);
676 if (verify_certfile) {
677 if (!load_certs(verify_certfile, &verify_other, FORMAT_PEM, NULL,
678 "validator certificate"))
679 goto end;
680 }
681
682 bs = OCSP_response_get1_basic(resp);
683 if (!bs) {
684 BIO_printf(bio_err, "Error parsing response\n");
685 goto end;
686 }
687
688 ret = 0;
689
690 if (!noverify) {
691 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
692 if (i == -1)
693 BIO_printf(bio_err, "WARNING: no nonce in response\n");
694 else {
695 BIO_printf(bio_err, "Nonce Verify error\n");
696 ret = 1;
697 goto end;
698 }
699 }
700
701 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
702 if (i <= 0 && issuers) {
703 i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
704 if (i > 0)
705 ERR_clear_error();
706 }
707 if (i <= 0) {
708 BIO_printf(bio_err, "Response Verify Failure\n");
709 ERR_print_errors(bio_err);
710 ret = 1;
711 } else
712 BIO_printf(bio_err, "Response verify OK\n");
713
714 }
715
716 print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage);
717
718 end:
719 ERR_print_errors(bio_err);
720 X509_free(signer);
721 X509_STORE_free(store);
722 X509_VERIFY_PARAM_free(vpm);
723 EVP_PKEY_free(key);
724 EVP_PKEY_free(rkey);
725 X509_free(cert);
726 sk_X509_pop_free(issuers, X509_free);
727 X509_free(rsigner);
728 X509_free(rca_cert);
729 free_index(rdb);
730 BIO_free_all(cbio);
731 BIO_free_all(acbio);
732 BIO_free(out);
733 OCSP_REQUEST_free(req);
734 OCSP_RESPONSE_free(resp);
735 OCSP_BASICRESP_free(bs);
736 sk_OPENSSL_STRING_free(reqnames);
737 sk_OCSP_CERTID_free(ids);
738 sk_X509_pop_free(sign_other, X509_free);
739 sk_X509_pop_free(verify_other, X509_free);
740 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
741 OPENSSL_free(thost);
742 OPENSSL_free(tport);
743 OPENSSL_free(tpath);
744
745 return (ret);
746}
747
748static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
749 const EVP_MD *cert_id_md, X509 *issuer,
750 STACK_OF(OCSP_CERTID) *ids)
751{
752 OCSP_CERTID *id;
753 if (!issuer) {
754 BIO_printf(bio_err, "No issuer certificate specified\n");
755 return 0;
756 }
757 if (*req == NULL)
758 *req = OCSP_REQUEST_new();
759 if (*req == NULL)
760 goto err;
761 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
762 if (!id || !sk_OCSP_CERTID_push(ids, id))
763 goto err;
764 if (!OCSP_request_add0_id(*req, id))
765 goto err;
766 return 1;
767
768 err:
769 BIO_printf(bio_err, "Error Creating OCSP request\n");
770 return 0;
771}
772
773static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
774 const EVP_MD *cert_id_md, X509 *issuer,
775 STACK_OF(OCSP_CERTID) *ids)
776{
777 OCSP_CERTID *id;
778 X509_NAME *iname;
779 ASN1_BIT_STRING *ikey;
780 ASN1_INTEGER *sno;
781 if (!issuer) {
782 BIO_printf(bio_err, "No issuer certificate specified\n");
783 return 0;
784 }
785 if (*req == NULL)
786 *req = OCSP_REQUEST_new();
787 if (*req == NULL)
788 goto err;
789 iname = X509_get_subject_name(issuer);
790 ikey = X509_get0_pubkey_bitstr(issuer);
791 sno = s2i_ASN1_INTEGER(NULL, serial);
792 if (!sno) {
793 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
794 return 0;
795 }
796 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
797 ASN1_INTEGER_free(sno);
798 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
799 goto err;
800 if (!OCSP_request_add0_id(*req, id))
801 goto err;
802 return 1;
803
804 err:
805 BIO_printf(bio_err, "Error Creating OCSP request\n");
806 return 0;
807}
808
809static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
810 STACK_OF(OPENSSL_STRING) *names,
811 STACK_OF(OCSP_CERTID) *ids, long nsec,
812 long maxage)
813{
814 OCSP_CERTID *id;
815 const char *name;
816 int i, status, reason;
817 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
818
819 if (!bs || !req || !sk_OPENSSL_STRING_num(names)
820 || !sk_OCSP_CERTID_num(ids))
821 return;
822
823 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
824 id = sk_OCSP_CERTID_value(ids, i);
825 name = sk_OPENSSL_STRING_value(names, i);
826 BIO_printf(out, "%s: ", name);
827
828 if (!OCSP_resp_find_status(bs, id, &status, &reason,
829 &rev, &thisupd, &nextupd)) {
830 BIO_puts(out, "ERROR: No Status found.\n");
831 continue;
832 }
833
834 /*
835 * Check validity: if invalid write to output BIO so we know which
836 * response this refers to.
837 */
838 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
839 BIO_puts(out, "WARNING: Status times invalid.\n");
840 ERR_print_errors(out);
841 }
842 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
843
844 BIO_puts(out, "\tThis Update: ");
845 ASN1_GENERALIZEDTIME_print(out, thisupd);
846 BIO_puts(out, "\n");
847
848 if (nextupd) {
849 BIO_puts(out, "\tNext Update: ");
850 ASN1_GENERALIZEDTIME_print(out, nextupd);
851 BIO_puts(out, "\n");
852 }
853
854 if (status != V_OCSP_CERTSTATUS_REVOKED)
855 continue;
856
857 if (reason != -1)
858 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
859
860 BIO_puts(out, "\tRevocation Time: ");
861 ASN1_GENERALIZEDTIME_print(out, rev);
862 BIO_puts(out, "\n");
863 }
864}
865
866static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
867 CA_DB *db, X509 *ca, X509 *rcert,
868 EVP_PKEY *rkey, const EVP_MD *rmd,
869 STACK_OF(X509) *rother, unsigned long flags,
870 int nmin, int ndays, int badsig)
871{
872 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
873 OCSP_CERTID *cid, *ca_id = NULL;
874 OCSP_BASICRESP *bs = NULL;
875 int i, id_count;
876
877 id_count = OCSP_request_onereq_count(req);
878
879 if (id_count <= 0) {
880 *resp =
881 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
882 goto end;
883 }
884
885 bs = OCSP_BASICRESP_new();
886 thisupd = X509_gmtime_adj(NULL, 0);
887 if (ndays != -1)
888 nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL);
889
890 /* Examine each certificate id in the request */
891 for (i = 0; i < id_count; i++) {
892 OCSP_ONEREQ *one;
893 ASN1_INTEGER *serial;
894 char **inf;
895 ASN1_OBJECT *cert_id_md_oid;
896 const EVP_MD *cert_id_md;
897 one = OCSP_request_onereq_get0(req, i);
898 cid = OCSP_onereq_get0_id(one);
899
900 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
901
902 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
903 if (!cert_id_md) {
904 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
905 NULL);
906 goto end;
907 }
908 OCSP_CERTID_free(ca_id);
909 ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca);
910
911 /* Is this request about our CA? */
912 if (OCSP_id_issuer_cmp(ca_id, cid)) {
913 OCSP_basic_add1_status(bs, cid,
914 V_OCSP_CERTSTATUS_UNKNOWN,
915 0, NULL, thisupd, nextupd);
916 continue;
917 }
918 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
919 inf = lookup_serial(db, serial);
920 if (!inf)
921 OCSP_basic_add1_status(bs, cid,
922 V_OCSP_CERTSTATUS_UNKNOWN,
923 0, NULL, thisupd, nextupd);
924 else if (inf[DB_type][0] == DB_TYPE_VAL)
925 OCSP_basic_add1_status(bs, cid,
926 V_OCSP_CERTSTATUS_GOOD,
927 0, NULL, thisupd, nextupd);
928 else if (inf[DB_type][0] == DB_TYPE_REV) {
929 ASN1_OBJECT *inst = NULL;
930 ASN1_TIME *revtm = NULL;
931 ASN1_GENERALIZEDTIME *invtm = NULL;
932 OCSP_SINGLERESP *single;
933 int reason = -1;
934 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
935 single = OCSP_basic_add1_status(bs, cid,
936 V_OCSP_CERTSTATUS_REVOKED,
937 reason, revtm, thisupd, nextupd);
938 if (invtm)
939 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
940 invtm, 0, 0);
941 else if (inst)
942 OCSP_SINGLERESP_add1_ext_i2d(single,
943 NID_hold_instruction_code, inst,
944 0, 0);
945 ASN1_OBJECT_free(inst);
946 ASN1_TIME_free(revtm);
947 ASN1_GENERALIZEDTIME_free(invtm);
948 }
949 }
950
951 OCSP_copy_nonce(bs, req);
952
953 OCSP_basic_sign(bs, rcert, rkey, rmd, rother, flags);
954
955 if (badsig) {
956 const ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs);
957 corrupt_signature(sig);
958 }
959
960 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
961
962 end:
963 ASN1_TIME_free(thisupd);
964 ASN1_TIME_free(nextupd);
965 OCSP_CERTID_free(ca_id);
966 OCSP_BASICRESP_free(bs);
967}
968
969static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
970{
971 int i;
972 BIGNUM *bn = NULL;
973 char *itmp, *row[DB_NUMBER], **rrow;
974 for (i = 0; i < DB_NUMBER; i++)
975 row[i] = NULL;
976 bn = ASN1_INTEGER_to_BN(ser, NULL);
977 OPENSSL_assert(bn); /* FIXME: should report an error at this
978 * point and abort */
979 if (BN_is_zero(bn))
980 itmp = OPENSSL_strdup("00");
981 else
982 itmp = BN_bn2hex(bn);
983 row[DB_serial] = itmp;
984 BN_free(bn);
985 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
986 OPENSSL_free(itmp);
987 return rrow;
988}
989
990/* Quick and dirty OCSP server: read in and parse input request */
991
992static BIO *init_responder(const char *port)
993{
994# ifdef OPENSSL_NO_SOCK
995 BIO_printf(bio_err,
996 "Error setting up accept BIO - sockets not supported.\n");
997 return NULL;
998# else
999 BIO *acbio = NULL, *bufbio = NULL;
1000
1001 bufbio = BIO_new(BIO_f_buffer());
1002 if (bufbio == NULL)
1003 goto err;
1004 acbio = BIO_new(BIO_s_accept());
1005 if (acbio == NULL
1006 || BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR) < 0
1007 || BIO_set_accept_port(acbio, port) < 0) {
1008 BIO_printf(bio_err, "Error setting up accept BIO\n");
1009 ERR_print_errors(bio_err);
1010 goto err;
1011 }
1012
1013 BIO_set_accept_bios(acbio, bufbio);
1014 bufbio = NULL;
1015 if (BIO_do_accept(acbio) <= 0) {
1016 BIO_printf(bio_err, "Error starting accept\n");
1017 ERR_print_errors(bio_err);
1018 goto err;
1019 }
1020
1021 return acbio;
1022
1023 err:
1024 BIO_free_all(acbio);
1025 BIO_free(bufbio);
1026 return NULL;
1027# endif
1028}
1029
1030# ifndef OPENSSL_NO_SOCK
1031/*
1032 * Decode %xx URL-decoding in-place. Ignores mal-formed sequences.
1033 */
1034static int urldecode(char *p)
1035{
1036 unsigned char *out = (unsigned char *)p;
1037 unsigned char *save = out;
1038
1039 for (; *p; p++) {
1040 if (*p != '%')
1041 *out++ = *p;
1042 else if (isxdigit(_UC(p[1])) && isxdigit(_UC(p[2]))) {
1043 /* Don't check, can't fail because of ixdigit() call. */
1044 *out++ = (OPENSSL_hexchar2int(p[1]) << 4)
1045 | OPENSSL_hexchar2int(p[2]);
1046 p += 2;
1047 }
1048 else
1049 return -1;
1050 }
1051 *out = '\0';
1052 return (int)(out - save);
1053}
1054# endif
1055
1056static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio)
1057{
1058# ifdef OPENSSL_NO_SOCK
1059 return 0;
1060# else
1061 int len;
1062 OCSP_REQUEST *req = NULL;
1063 char inbuf[2048], reqbuf[2048];
1064 char *p, *q;
1065 BIO *cbio = NULL, *getbio = NULL, *b64 = NULL;
1066
1067 if (BIO_do_accept(acbio) <= 0) {
1068 BIO_printf(bio_err, "Error accepting connection\n");
1069 ERR_print_errors(bio_err);
1070 return 0;
1071 }
1072
1073 cbio = BIO_pop(acbio);
1074 *pcbio = cbio;
1075
1076 /* Read the request line. */
1077 len = BIO_gets(cbio, reqbuf, sizeof reqbuf);
1078 if (len <= 0)
1079 return 1;
1080 if (strncmp(reqbuf, "GET ", 4) == 0) {
1081 /* Expecting GET {sp} /URL {sp} HTTP/1.x */
1082 for (p = reqbuf + 4; *p == ' '; ++p)
1083 continue;
1084 if (*p != '/') {
1085 BIO_printf(bio_err, "Invalid request -- bad URL\n");
1086 return 1;
1087 }
1088 p++;
1089
1090 /* Splice off the HTTP version identifier. */
1091 for (q = p; *q; q++)
1092 if (*q == ' ')
1093 break;
1094 if (strncmp(q, " HTTP/1.", 8) != 0) {
1095 BIO_printf(bio_err, "Invalid request -- bad HTTP vesion\n");
1096 return 1;
1097 }
1098 *q = '\0';
1099 len = urldecode(p);
1100 if (len <= 0) {
1101 BIO_printf(bio_err, "Invalid request -- bad URL encoding\n");
1102 return 1;
1103 }
1104 if ((getbio = BIO_new_mem_buf(p, len)) == NULL
1105 || (b64 = BIO_new(BIO_f_base64())) == NULL) {
1106 BIO_printf(bio_err, "Could not allocate memory\n");
1107 ERR_print_errors(bio_err);
1108 return 1;
1109 }
1110 BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1111 getbio = BIO_push(b64, getbio);
1112 } else if (strncmp(reqbuf, "POST ", 5) != 0) {
1113 BIO_printf(bio_err, "Invalid request -- bad HTTP verb\n");
1114 return 1;
1115 }
1116
1117 /* Read and skip past the headers. */
1118 for (;;) {
1119 len = BIO_gets(cbio, inbuf, sizeof inbuf);
1120 if (len <= 0)
1121 return 1;
1122 if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
1123 break;
1124 }
1125
1126 /* Try to read OCSP request */
1127 if (getbio) {
1128 req = d2i_OCSP_REQUEST_bio(getbio, NULL);
1129 BIO_free_all(getbio);
1130 } else
1131 req = d2i_OCSP_REQUEST_bio(cbio, NULL);
1132
1133 if (!req) {
1134 BIO_printf(bio_err, "Error parsing OCSP request\n");
1135 ERR_print_errors(bio_err);
1136 }
1137
1138 *preq = req;
1139
1140 return 1;
1141# endif
1142}
1143
1144static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
1145{
1146 char http_resp[] =
1147 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1148 "Content-Length: %d\r\n\r\n";
1149 if (!cbio)
1150 return 0;
1151 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
1152 i2d_OCSP_RESPONSE_bio(cbio, resp);
1153 (void)BIO_flush(cbio);
1154 return 1;
1155}
1156
1157# ifndef OPENSSL_NO_SOCK
1158static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
1159 const char *path,
1160 const STACK_OF(CONF_VALUE) *headers,
1161 OCSP_REQUEST *req, int req_timeout)
1162{
1163 int fd;
1164 int rv;
1165 int i;
1166 int add_host = 1;
1167 OCSP_REQ_CTX *ctx = NULL;
1168 OCSP_RESPONSE *rsp = NULL;
1169 fd_set confds;
1170 struct timeval tv;
1171
1172 if (req_timeout != -1)
1173 BIO_set_nbio(cbio, 1);
1174
1175 rv = BIO_do_connect(cbio);
1176
1177 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) {
1178 BIO_puts(bio_err, "Error connecting BIO\n");
1179 return NULL;
1180 }
1181
1182 if (BIO_get_fd(cbio, &fd) < 0) {
1183 BIO_puts(bio_err, "Can't get connection fd\n");
1184 goto err;
1185 }
1186
1187 if (req_timeout != -1 && rv <= 0) {
1188 FD_ZERO(&confds);
1189 openssl_fdset(fd, &confds);
1190 tv.tv_usec = 0;
1191 tv.tv_sec = req_timeout;
1192 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1193 if (rv == 0) {
1194 BIO_puts(bio_err, "Timeout on connect\n");
1195 return NULL;
1196 }
1197 }
1198
1199 ctx = OCSP_sendreq_new(cbio, path, NULL, -1);
1200 if (ctx == NULL)
1201 return NULL;
1202
1203 for (i = 0; i < sk_CONF_VALUE_num(headers); i++) {
1204 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i);
1205 if (add_host == 1 && strcasecmp("host", hdr->name) == 0)
1206 add_host = 0;
1207 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value))
1208 goto err;
1209 }
1210
1211 if (add_host == 1 && OCSP_REQ_CTX_add1_header(ctx, "Host", host) == 0)
1212 goto err;
1213
1214 if (!OCSP_REQ_CTX_set1_req(ctx, req))
1215 goto err;
1216
1217 for (;;) {
1218 rv = OCSP_sendreq_nbio(&rsp, ctx);
1219 if (rv != -1)
1220 break;
1221 if (req_timeout == -1)
1222 continue;
1223 FD_ZERO(&confds);
1224 openssl_fdset(fd, &confds);
1225 tv.tv_usec = 0;
1226 tv.tv_sec = req_timeout;
1227 if (BIO_should_read(cbio))
1228 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv);
1229 else if (BIO_should_write(cbio))
1230 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1231 else {
1232 BIO_puts(bio_err, "Unexpected retry condition\n");
1233 goto err;
1234 }
1235 if (rv == 0) {
1236 BIO_puts(bio_err, "Timeout on request\n");
1237 break;
1238 }
1239 if (rv == -1) {
1240 BIO_puts(bio_err, "Select error\n");
1241 break;
1242 }
1243
1244 }
1245 err:
1246 OCSP_REQ_CTX_free(ctx);
1247
1248 return rsp;
1249}
1250
1251OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,
1252 const char *host, const char *path,
1253 const char *port, int use_ssl,
1254 STACK_OF(CONF_VALUE) *headers,
1255 int req_timeout)
1256{
1257 BIO *cbio = NULL;
1258 SSL_CTX *ctx = NULL;
1259 OCSP_RESPONSE *resp = NULL;
1260
1261 cbio = BIO_new_connect(host);
1262 if (!cbio) {
1263 BIO_printf(bio_err, "Error creating connect BIO\n");
1264 goto end;
1265 }
1266 if (port)
1267 BIO_set_conn_port(cbio, port);
1268 if (use_ssl == 1) {
1269 BIO *sbio;
1270 ctx = SSL_CTX_new(TLS_client_method());
1271 if (ctx == NULL) {
1272 BIO_printf(bio_err, "Error creating SSL context.\n");
1273 goto end;
1274 }
1275 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
1276 sbio = BIO_new_ssl(ctx, 1);
1277 cbio = BIO_push(sbio, cbio);
1278 }
1279
1280 resp = query_responder(cbio, host, path, headers, req, req_timeout);
1281 if (!resp)
1282 BIO_printf(bio_err, "Error querying OCSP responder\n");
1283 end:
1284 BIO_free_all(cbio);
1285 SSL_CTX_free(ctx);
1286 return resp;
1287}
1288# endif
1289
1290#endif
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