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Fix error-path memory leak in asn_mime.c
[thirdparty/openssl.git] / apps / ocsp.c
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1/*
2 * Copyright 2001-2018 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# include <stdio.h>
21# include <stdlib.h>
22# include <string.h>
23# include <time.h>
24# include <ctype.h>
25
26/* Needs to be included before the openssl headers */
27# include "apps.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/* Maximum leeway in validity period: default 5 minutes */
37# define MAX_VALIDITY_PERIOD (5 * 60)
38
39static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
40 const EVP_MD *cert_id_md, X509 *issuer,
41 STACK_OF(OCSP_CERTID) *ids);
42static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
43 const EVP_MD *cert_id_md, X509 *issuer,
44 STACK_OF(OCSP_CERTID) *ids);
45static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
46 STACK_OF(OPENSSL_STRING) *names,
47 STACK_OF(OCSP_CERTID) *ids, long nsec,
48 long maxage);
49static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
50 CA_DB *db, STACK_OF(X509) *ca, X509 *rcert,
51 EVP_PKEY *rkey, const EVP_MD *md,
52 STACK_OF(X509) *rother, unsigned long flags,
53 int nmin, int ndays, int badsig);
54
55static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
56static BIO *init_responder(const char *port);
57static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio);
58static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
59
60# ifndef OPENSSL_NO_SOCK
61static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
62 const char *path,
63 const STACK_OF(CONF_VALUE) *headers,
64 OCSP_REQUEST *req, int req_timeout);
65# endif
66
67typedef enum OPTION_choice {
68 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
69 OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT,
70 OPT_IGNORE_ERR, OPT_NOVERIFY, OPT_NONCE, OPT_NO_NONCE,
71 OPT_RESP_NO_CERTS, OPT_RESP_KEY_ID, OPT_NO_CERTS,
72 OPT_NO_SIGNATURE_VERIFY, OPT_NO_CERT_VERIFY, OPT_NO_CHAIN,
73 OPT_NO_CERT_CHECKS, OPT_NO_EXPLICIT, OPT_TRUST_OTHER,
74 OPT_NO_INTERN, OPT_BADSIG, OPT_TEXT, OPT_REQ_TEXT, OPT_RESP_TEXT,
75 OPT_REQIN, OPT_RESPIN, OPT_SIGNER, OPT_VAFILE, OPT_SIGN_OTHER,
76 OPT_VERIFY_OTHER, OPT_CAFILE, OPT_CAPATH, OPT_NOCAFILE, OPT_NOCAPATH,
77 OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT,
78 OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL,
79 OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER,
80 OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_HEADER,
81 OPT_V_ENUM,
82 OPT_MD
83} OPTION_CHOICE;
84
85const OPTIONS ocsp_options[] = {
86 {"help", OPT_HELP, '-', "Display this summary"},
87 {"out", OPT_OUTFILE, '>', "Output filename"},
88 {"timeout", OPT_TIMEOUT, 'p',
89 "Connection timeout (in seconds) to the OCSP responder"},
90 {"url", OPT_URL, 's', "Responder URL"},
91 {"host", OPT_HOST, 's', "TCP/IP hostname:port to connect to"},
92 {"port", OPT_PORT, 'p', "Port to run responder on"},
93 {"ignore_err", OPT_IGNORE_ERR, '-',
94 "Ignore error on OCSP request or response and continue running"},
95 {"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"},
96 {"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"},
97 {"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"},
98 {"resp_no_certs", OPT_RESP_NO_CERTS, '-',
99 "Don't include any certificates in response"},
100 {"resp_key_id", OPT_RESP_KEY_ID, '-',
101 "Identify response by signing certificate key ID"},
102 {"no_certs", OPT_NO_CERTS, '-',
103 "Don't include any certificates in signed request"},
104 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-',
105 "Don't check signature on response"},
106 {"no_cert_verify", OPT_NO_CERT_VERIFY, '-',
107 "Don't check signing certificate"},
108 {"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"},
109 {"no_cert_checks", OPT_NO_CERT_CHECKS, '-',
110 "Don't do additional checks on signing certificate"},
111 {"no_explicit", OPT_NO_EXPLICIT, '-',
112 "Do not explicitly check the chain, just verify the root"},
113 {"trust_other", OPT_TRUST_OTHER, '-',
114 "Don't verify additional certificates"},
115 {"no_intern", OPT_NO_INTERN, '-',
116 "Don't search certificates contained in response for signer"},
117 {"badsig", OPT_BADSIG, '-',
118 "Corrupt last byte of loaded OSCP response signature (for test)"},
119 {"text", OPT_TEXT, '-', "Print text form of request and response"},
120 {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"},
121 {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"},
122 {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"},
123 {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"},
124 {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"},
125 {"VAfile", OPT_VAFILE, '<', "Validator certificates file"},
126 {"sign_other", OPT_SIGN_OTHER, '<',
127 "Additional certificates to include in signed request"},
128 {"verify_other", OPT_VERIFY_OTHER, '<',
129 "Additional certificates to search for signer"},
130 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
131 {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"},
132 {"no-CAfile", OPT_NOCAFILE, '-',
133 "Do not load the default certificates file"},
134 {"no-CApath", OPT_NOCAPATH, '-',
135 "Do not load certificates from the default certificates directory"},
136 {"validity_period", OPT_VALIDITY_PERIOD, 'u',
137 "Maximum validity discrepancy in seconds"},
138 {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"},
139 {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"},
140 {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"},
141 {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"},
142 {"path", OPT_PATH, 's', "Path to use in OCSP request"},
143 {"issuer", OPT_ISSUER, '<', "Issuer certificate"},
144 {"cert", OPT_CERT, '<', "Certificate to check"},
145 {"serial", OPT_SERIAL, 's', "Serial number to check"},
146 {"index", OPT_INDEX, '<', "Certificate status index file"},
147 {"CA", OPT_CA, '<', "CA certificate"},
148 {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"},
149 {"nrequest", OPT_REQUEST, 'p',
150 "Number of requests to accept (default unlimited)"},
151 {"ndays", OPT_NDAYS, 'p', "Number of days before next update"},
152 {"rsigner", OPT_RSIGNER, '<',
153 "Responder certificate to sign responses with"},
154 {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"},
155 {"rother", OPT_ROTHER, '<', "Other certificates to include in response"},
156 {"rmd", OPT_RMD, 's', "Digest Algorithm to use in signature of OCSP response"},
157 {"header", OPT_HEADER, 's', "key=value header to add"},
158 {"", OPT_MD, '-', "Any supported digest algorithm (sha1,sha256, ... )"},
159 OPT_V_OPTIONS,
160 {NULL}
161};
162
163int ocsp_main(int argc, char **argv)
164{
165 BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
166 const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
167 int trailing_md = 0;
168 CA_DB *rdb = NULL;
169 EVP_PKEY *key = NULL, *rkey = NULL;
170 OCSP_BASICRESP *bs = NULL;
171 OCSP_REQUEST *req = NULL;
172 OCSP_RESPONSE *resp = NULL;
173 STACK_OF(CONF_VALUE) *headers = NULL;
174 STACK_OF(OCSP_CERTID) *ids = NULL;
175 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
176 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
177 STACK_OF(X509) *issuers = NULL;
178 X509 *issuer = NULL, *cert = NULL;
179 STACK_OF(X509) *rca_cert = NULL;
180 X509 *signer = NULL, *rsigner = NULL;
181 X509_STORE *store = NULL;
182 X509_VERIFY_PARAM *vpm = NULL;
183 const char *CAfile = NULL, *CApath = NULL;
184 char *header, *value;
185 char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
186 char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
187 char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
188 char *rsignfile = NULL, *rkeyfile = NULL;
189 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
190 char *signfile = NULL, *keyfile = NULL;
191 char *thost = NULL, *tport = NULL, *tpath = NULL;
192 int noCAfile = 0, noCApath = 0;
193 int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
194 int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
195 int req_text = 0, resp_text = 0, ret = 1;
196#ifndef OPENSSL_NO_SOCK
197 int req_timeout = -1;
198#endif
199 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
200 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
201 OPTION_CHOICE o;
202 char *prog;
203
204 reqnames = sk_OPENSSL_STRING_new_null();
205 if (reqnames == NULL)
206 goto end;
207 ids = sk_OCSP_CERTID_new_null();
208 if (ids == NULL)
209 goto end;
210 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
211 return 1;
212
213 prog = opt_init(argc, argv, ocsp_options);
214 while ((o = opt_next()) != OPT_EOF) {
215 switch (o) {
216 case OPT_EOF:
217 case OPT_ERR:
218 opthelp:
219 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
220 goto end;
221 case OPT_HELP:
222 ret = 0;
223 opt_help(ocsp_options);
224 goto end;
225 case OPT_OUTFILE:
226 outfile = opt_arg();
227 break;
228 case OPT_TIMEOUT:
229#ifndef OPENSSL_NO_SOCK
230 req_timeout = atoi(opt_arg());
231#endif
232 break;
233 case OPT_URL:
234 OPENSSL_free(thost);
235 OPENSSL_free(tport);
236 OPENSSL_free(tpath);
237 thost = tport = tpath = NULL;
238 if (!OCSP_parse_url(opt_arg(), &host, &port, &path, &use_ssl)) {
239 BIO_printf(bio_err, "%s Error parsing URL\n", prog);
240 goto end;
241 }
242 thost = host;
243 tport = port;
244 tpath = path;
245 break;
246 case OPT_HOST:
247 host = opt_arg();
248 break;
249 case OPT_PORT:
250 port = opt_arg();
251 break;
252 case OPT_IGNORE_ERR:
253 ignore_err = 1;
254 break;
255 case OPT_NOVERIFY:
256 noverify = 1;
257 break;
258 case OPT_NONCE:
259 add_nonce = 2;
260 break;
261 case OPT_NO_NONCE:
262 add_nonce = 0;
263 break;
264 case OPT_RESP_NO_CERTS:
265 rflags |= OCSP_NOCERTS;
266 break;
267 case OPT_RESP_KEY_ID:
268 rflags |= OCSP_RESPID_KEY;
269 break;
270 case OPT_NO_CERTS:
271 sign_flags |= OCSP_NOCERTS;
272 break;
273 case OPT_NO_SIGNATURE_VERIFY:
274 verify_flags |= OCSP_NOSIGS;
275 break;
276 case OPT_NO_CERT_VERIFY:
277 verify_flags |= OCSP_NOVERIFY;
278 break;
279 case OPT_NO_CHAIN:
280 verify_flags |= OCSP_NOCHAIN;
281 break;
282 case OPT_NO_CERT_CHECKS:
283 verify_flags |= OCSP_NOCHECKS;
284 break;
285 case OPT_NO_EXPLICIT:
286 verify_flags |= OCSP_NOEXPLICIT;
287 break;
288 case OPT_TRUST_OTHER:
289 verify_flags |= OCSP_TRUSTOTHER;
290 break;
291 case OPT_NO_INTERN:
292 verify_flags |= OCSP_NOINTERN;
293 break;
294 case OPT_BADSIG:
295 badsig = 1;
296 break;
297 case OPT_TEXT:
298 req_text = resp_text = 1;
299 break;
300 case OPT_REQ_TEXT:
301 req_text = 1;
302 break;
303 case OPT_RESP_TEXT:
304 resp_text = 1;
305 break;
306 case OPT_REQIN:
307 reqin = opt_arg();
308 break;
309 case OPT_RESPIN:
310 respin = opt_arg();
311 break;
312 case OPT_SIGNER:
313 signfile = opt_arg();
314 break;
315 case OPT_VAFILE:
316 verify_certfile = opt_arg();
317 verify_flags |= OCSP_TRUSTOTHER;
318 break;
319 case OPT_SIGN_OTHER:
320 sign_certfile = opt_arg();
321 break;
322 case OPT_VERIFY_OTHER:
323 verify_certfile = opt_arg();
324 break;
325 case OPT_CAFILE:
326 CAfile = opt_arg();
327 break;
328 case OPT_CAPATH:
329 CApath = opt_arg();
330 break;
331 case OPT_NOCAFILE:
332 noCAfile = 1;
333 break;
334 case OPT_NOCAPATH:
335 noCApath = 1;
336 break;
337 case OPT_V_CASES:
338 if (!opt_verify(o, vpm))
339 goto end;
340 vpmtouched++;
341 break;
342 case OPT_VALIDITY_PERIOD:
343 opt_long(opt_arg(), &nsec);
344 break;
345 case OPT_STATUS_AGE:
346 opt_long(opt_arg(), &maxage);
347 break;
348 case OPT_SIGNKEY:
349 keyfile = opt_arg();
350 break;
351 case OPT_REQOUT:
352 reqout = opt_arg();
353 break;
354 case OPT_RESPOUT:
355 respout = opt_arg();
356 break;
357 case OPT_PATH:
358 path = opt_arg();
359 break;
360 case OPT_ISSUER:
361 issuer = load_cert(opt_arg(), FORMAT_PEM, "issuer certificate");
362 if (issuer == NULL)
363 goto end;
364 if (issuers == NULL) {
365 if ((issuers = sk_X509_new_null()) == NULL)
366 goto end;
367 }
368 sk_X509_push(issuers, issuer);
369 break;
370 case OPT_CERT:
371 X509_free(cert);
372 cert = load_cert(opt_arg(), FORMAT_PEM, "certificate");
373 if (cert == NULL)
374 goto end;
375 if (cert_id_md == NULL)
376 cert_id_md = EVP_sha1();
377 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
378 goto end;
379 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
380 goto end;
381 trailing_md = 0;
382 break;
383 case OPT_SERIAL:
384 if (cert_id_md == NULL)
385 cert_id_md = EVP_sha1();
386 if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
387 goto end;
388 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
389 goto end;
390 trailing_md = 0;
391 break;
392 case OPT_INDEX:
393 ridx_filename = opt_arg();
394 break;
395 case OPT_CA:
396 rca_filename = opt_arg();
397 break;
398 case OPT_NMIN:
399 opt_int(opt_arg(), &nmin);
400 if (ndays == -1)
401 ndays = 0;
402 break;
403 case OPT_REQUEST:
404 opt_int(opt_arg(), &accept_count);
405 break;
406 case OPT_NDAYS:
407 ndays = atoi(opt_arg());
408 break;
409 case OPT_RSIGNER:
410 rsignfile = opt_arg();
411 break;
412 case OPT_RKEY:
413 rkeyfile = opt_arg();
414 break;
415 case OPT_ROTHER:
416 rcertfile = opt_arg();
417 break;
418 case OPT_RMD: /* Response MessageDigest */
419 if (!opt_md(opt_arg(), &rsign_md))
420 goto end;
421 break;
422 case OPT_HEADER:
423 header = opt_arg();
424 value = strchr(header, '=');
425 if (value == NULL) {
426 BIO_printf(bio_err, "Missing = in header key=value\n");
427 goto opthelp;
428 }
429 *value++ = '\0';
430 if (!X509V3_add_value(header, value, &headers))
431 goto end;
432 break;
433 case OPT_MD:
434 if (trailing_md) {
435 BIO_printf(bio_err,
436 "%s: Digest must be before -cert or -serial\n",
437 prog);
438 goto opthelp;
439 }
440 if (!opt_md(opt_unknown(), &cert_id_md))
441 goto opthelp;
442 trailing_md = 1;
443 break;
444 }
445 }
446
447 if (trailing_md) {
448 BIO_printf(bio_err, "%s: Digest must be before -cert or -serial\n",
449 prog);
450 goto opthelp;
451 }
452 argc = opt_num_rest();
453 if (argc != 0)
454 goto opthelp;
455
456 /* Have we anything to do? */
457 if (req == NULL&& reqin == NULL
458 && respin == NULL && !(port != NULL && ridx_filename != NULL))
459 goto opthelp;
460
461 out = bio_open_default(outfile, 'w', FORMAT_TEXT);
462 if (out == NULL)
463 goto end;
464
465 if (req == NULL && (add_nonce != 2))
466 add_nonce = 0;
467
468 if (req == NULL && reqin != NULL) {
469 derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
470 if (derbio == NULL)
471 goto end;
472 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
473 BIO_free(derbio);
474 if (req == NULL) {
475 BIO_printf(bio_err, "Error reading OCSP request\n");
476 goto end;
477 }
478 }
479
480 if (req == NULL && port != NULL) {
481 acbio = init_responder(port);
482 if (acbio == NULL)
483 goto end;
484 }
485
486 if (rsignfile != NULL) {
487 if (rkeyfile == NULL)
488 rkeyfile = rsignfile;
489 rsigner = load_cert(rsignfile, FORMAT_PEM, "responder certificate");
490 if (rsigner == NULL) {
491 BIO_printf(bio_err, "Error loading responder certificate\n");
492 goto end;
493 }
494 if (!load_certs(rca_filename, &rca_cert, FORMAT_PEM,
495 NULL, "CA certificate"))
496 goto end;
497 if (rcertfile != NULL) {
498 if (!load_certs(rcertfile, &rother, FORMAT_PEM, NULL,
499 "responder other certificates"))
500 goto end;
501 }
502 rkey = load_key(rkeyfile, FORMAT_PEM, 0, NULL, NULL,
503 "responder private key");
504 if (rkey == NULL)
505 goto end;
506 }
507 if (acbio != NULL)
508 BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
509
510redo_accept:
511
512 if (acbio != NULL) {
513 if (!do_responder(&req, &cbio, acbio))
514 goto end;
515 if (req == NULL) {
516 resp =
517 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
518 NULL);
519 send_ocsp_response(cbio, resp);
520 goto done_resp;
521 }
522 }
523
524 if (req == NULL
525 && (signfile != NULL || reqout != NULL
526 || host != NULL || add_nonce || ridx_filename != NULL)) {
527 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
528 goto end;
529 }
530
531 if (req != NULL && add_nonce)
532 OCSP_request_add1_nonce(req, NULL, -1);
533
534 if (signfile != NULL) {
535 if (keyfile == NULL)
536 keyfile = signfile;
537 signer = load_cert(signfile, FORMAT_PEM, "signer certificate");
538 if (signer == NULL) {
539 BIO_printf(bio_err, "Error loading signer certificate\n");
540 goto end;
541 }
542 if (sign_certfile != NULL) {
543 if (!load_certs(sign_certfile, &sign_other, FORMAT_PEM, NULL,
544 "signer certificates"))
545 goto end;
546 }
547 key = load_key(keyfile, FORMAT_PEM, 0, NULL, NULL,
548 "signer private key");
549 if (key == NULL)
550 goto end;
551
552 if (!OCSP_request_sign
553 (req, signer, key, NULL, sign_other, sign_flags)) {
554 BIO_printf(bio_err, "Error signing OCSP request\n");
555 goto end;
556 }
557 }
558
559 if (req_text && req != NULL)
560 OCSP_REQUEST_print(out, req, 0);
561
562 if (reqout != NULL) {
563 derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
564 if (derbio == NULL)
565 goto end;
566 i2d_OCSP_REQUEST_bio(derbio, req);
567 BIO_free(derbio);
568 }
569
570 if (ridx_filename != NULL
571 && (rkey == NULL || rsigner == NULL || rca_cert == NULL)) {
572 BIO_printf(bio_err,
573 "Need a responder certificate, key and CA for this operation!\n");
574 goto end;
575 }
576
577 if (ridx_filename != NULL && rdb == NULL) {
578 rdb = load_index(ridx_filename, NULL);
579 if (rdb == NULL)
580 goto end;
581 if (!index_index(rdb))
582 goto end;
583 }
584
585 if (rdb != NULL) {
586 make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey,
587 rsign_md, rother, rflags, nmin, ndays, badsig);
588 if (cbio != NULL)
589 send_ocsp_response(cbio, resp);
590 } else if (host != NULL) {
591# ifndef OPENSSL_NO_SOCK
592 resp = process_responder(req, host, path,
593 port, use_ssl, headers, req_timeout);
594 if (resp == NULL)
595 goto end;
596# else
597 BIO_printf(bio_err,
598 "Error creating connect BIO - sockets not supported.\n");
599 goto end;
600# endif
601 } else if (respin != NULL) {
602 derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
603 if (derbio == NULL)
604 goto end;
605 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
606 BIO_free(derbio);
607 if (resp == NULL) {
608 BIO_printf(bio_err, "Error reading OCSP response\n");
609 goto end;
610 }
611 } else {
612 ret = 0;
613 goto end;
614 }
615
616 done_resp:
617
618 if (respout != NULL) {
619 derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
620 if (derbio == NULL)
621 goto end;
622 i2d_OCSP_RESPONSE_bio(derbio, resp);
623 BIO_free(derbio);
624 }
625
626 i = OCSP_response_status(resp);
627 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
628 BIO_printf(out, "Responder Error: %s (%d)\n",
629 OCSP_response_status_str(i), i);
630 if (ignore_err)
631 goto redo_accept;
632 ret = 0;
633 goto end;
634 }
635
636 if (resp_text)
637 OCSP_RESPONSE_print(out, resp, 0);
638
639 /* If running as responder don't verify our own response */
640 if (cbio != NULL) {
641 /* If not unlimited, see if we took all we should. */
642 if (accept_count != -1 && --accept_count <= 0) {
643 ret = 0;
644 goto end;
645 }
646 BIO_free_all(cbio);
647 cbio = NULL;
648 OCSP_REQUEST_free(req);
649 req = NULL;
650 OCSP_RESPONSE_free(resp);
651 resp = NULL;
652 goto redo_accept;
653 }
654 if (ridx_filename != NULL) {
655 ret = 0;
656 goto end;
657 }
658
659 if (store == NULL) {
660 store = setup_verify(CAfile, CApath, noCAfile, noCApath);
661 if (!store)
662 goto end;
663 }
664 if (vpmtouched)
665 X509_STORE_set1_param(store, vpm);
666 if (verify_certfile != NULL) {
667 if (!load_certs(verify_certfile, &verify_other, FORMAT_PEM, NULL,
668 "validator certificate"))
669 goto end;
670 }
671
672 bs = OCSP_response_get1_basic(resp);
673 if (bs == NULL) {
674 BIO_printf(bio_err, "Error parsing response\n");
675 goto end;
676 }
677
678 ret = 0;
679
680 if (!noverify) {
681 if (req != NULL && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
682 if (i == -1)
683 BIO_printf(bio_err, "WARNING: no nonce in response\n");
684 else {
685 BIO_printf(bio_err, "Nonce Verify error\n");
686 ret = 1;
687 goto end;
688 }
689 }
690
691 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
692 if (i <= 0 && issuers) {
693 i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
694 if (i > 0)
695 ERR_clear_error();
696 }
697 if (i <= 0) {
698 BIO_printf(bio_err, "Response Verify Failure\n");
699 ERR_print_errors(bio_err);
700 ret = 1;
701 } else {
702 BIO_printf(bio_err, "Response verify OK\n");
703 }
704 }
705
706 print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage);
707
708 end:
709 ERR_print_errors(bio_err);
710 X509_free(signer);
711 X509_STORE_free(store);
712 X509_VERIFY_PARAM_free(vpm);
713 EVP_PKEY_free(key);
714 EVP_PKEY_free(rkey);
715 X509_free(cert);
716 sk_X509_pop_free(issuers, X509_free);
717 X509_free(rsigner);
718 sk_X509_pop_free(rca_cert, X509_free);
719 free_index(rdb);
720 BIO_free_all(cbio);
721 BIO_free_all(acbio);
722 BIO_free(out);
723 OCSP_REQUEST_free(req);
724 OCSP_RESPONSE_free(resp);
725 OCSP_BASICRESP_free(bs);
726 sk_OPENSSL_STRING_free(reqnames);
727 sk_OCSP_CERTID_free(ids);
728 sk_X509_pop_free(sign_other, X509_free);
729 sk_X509_pop_free(verify_other, X509_free);
730 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
731 OPENSSL_free(thost);
732 OPENSSL_free(tport);
733 OPENSSL_free(tpath);
734
735 return ret;
736}
737
738static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
739 const EVP_MD *cert_id_md, X509 *issuer,
740 STACK_OF(OCSP_CERTID) *ids)
741{
742 OCSP_CERTID *id;
743
744 if (issuer == NULL) {
745 BIO_printf(bio_err, "No issuer certificate specified\n");
746 return 0;
747 }
748 if (*req == NULL)
749 *req = OCSP_REQUEST_new();
750 if (*req == NULL)
751 goto err;
752 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
753 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
754 goto err;
755 if (!OCSP_request_add0_id(*req, id))
756 goto err;
757 return 1;
758
759 err:
760 BIO_printf(bio_err, "Error Creating OCSP request\n");
761 return 0;
762}
763
764static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
765 const EVP_MD *cert_id_md, X509 *issuer,
766 STACK_OF(OCSP_CERTID) *ids)
767{
768 OCSP_CERTID *id;
769 X509_NAME *iname;
770 ASN1_BIT_STRING *ikey;
771 ASN1_INTEGER *sno;
772
773 if (issuer == NULL) {
774 BIO_printf(bio_err, "No issuer certificate specified\n");
775 return 0;
776 }
777 if (*req == NULL)
778 *req = OCSP_REQUEST_new();
779 if (*req == NULL)
780 goto err;
781 iname = X509_get_subject_name(issuer);
782 ikey = X509_get0_pubkey_bitstr(issuer);
783 sno = s2i_ASN1_INTEGER(NULL, serial);
784 if (sno == NULL) {
785 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
786 return 0;
787 }
788 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
789 ASN1_INTEGER_free(sno);
790 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
791 goto err;
792 if (!OCSP_request_add0_id(*req, id))
793 goto err;
794 return 1;
795
796 err:
797 BIO_printf(bio_err, "Error Creating OCSP request\n");
798 return 0;
799}
800
801static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
802 STACK_OF(OPENSSL_STRING) *names,
803 STACK_OF(OCSP_CERTID) *ids, long nsec,
804 long maxage)
805{
806 OCSP_CERTID *id;
807 const char *name;
808 int i, status, reason;
809 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
810
811 if (bs == NULL || req == NULL || !sk_OPENSSL_STRING_num(names)
812 || !sk_OCSP_CERTID_num(ids))
813 return;
814
815 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
816 id = sk_OCSP_CERTID_value(ids, i);
817 name = sk_OPENSSL_STRING_value(names, i);
818 BIO_printf(out, "%s: ", name);
819
820 if (!OCSP_resp_find_status(bs, id, &status, &reason,
821 &rev, &thisupd, &nextupd)) {
822 BIO_puts(out, "ERROR: No Status found.\n");
823 continue;
824 }
825
826 /*
827 * Check validity: if invalid write to output BIO so we know which
828 * response this refers to.
829 */
830 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
831 BIO_puts(out, "WARNING: Status times invalid.\n");
832 ERR_print_errors(out);
833 }
834 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
835
836 BIO_puts(out, "\tThis Update: ");
837 ASN1_GENERALIZEDTIME_print(out, thisupd);
838 BIO_puts(out, "\n");
839
840 if (nextupd) {
841 BIO_puts(out, "\tNext Update: ");
842 ASN1_GENERALIZEDTIME_print(out, nextupd);
843 BIO_puts(out, "\n");
844 }
845
846 if (status != V_OCSP_CERTSTATUS_REVOKED)
847 continue;
848
849 if (reason != -1)
850 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
851
852 BIO_puts(out, "\tRevocation Time: ");
853 ASN1_GENERALIZEDTIME_print(out, rev);
854 BIO_puts(out, "\n");
855 }
856}
857
858static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
859 CA_DB *db, STACK_OF(X509) *ca, X509 *rcert,
860 EVP_PKEY *rkey, const EVP_MD *rmd,
861 STACK_OF(X509) *rother, unsigned long flags,
862 int nmin, int ndays, int badsig)
863{
864 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
865 OCSP_CERTID *cid;
866 OCSP_BASICRESP *bs = NULL;
867 int i, id_count;
868
869 id_count = OCSP_request_onereq_count(req);
870
871 if (id_count <= 0) {
872 *resp =
873 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
874 goto end;
875 }
876
877 bs = OCSP_BASICRESP_new();
878 thisupd = X509_gmtime_adj(NULL, 0);
879 if (ndays != -1)
880 nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL);
881
882 /* Examine each certificate id in the request */
883 for (i = 0; i < id_count; i++) {
884 OCSP_ONEREQ *one;
885 ASN1_INTEGER *serial;
886 char **inf;
887 int jj;
888 int found = 0;
889 ASN1_OBJECT *cert_id_md_oid;
890 const EVP_MD *cert_id_md;
891 one = OCSP_request_onereq_get0(req, i);
892 cid = OCSP_onereq_get0_id(one);
893
894 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
895
896 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
897 if (cert_id_md == NULL) {
898 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
899 NULL);
900 goto end;
901 }
902 for (jj = 0; jj < sk_X509_num(ca) && !found; jj++) {
903 X509 *ca_cert = sk_X509_value(ca, jj);
904 OCSP_CERTID *ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca_cert);
905
906 if (OCSP_id_issuer_cmp(ca_id, cid) == 0)
907 found = 1;
908
909 OCSP_CERTID_free(ca_id);
910 }
911
912 if (!found) {
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 == NULL) {
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 != NULL)
939 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
940 invtm, 0, 0);
941 else if (inst != NULL)
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_BASICRESP_free(bs);
966}
967
968static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
969{
970 int i;
971 BIGNUM *bn = NULL;
972 char *itmp, *row[DB_NUMBER], **rrow;
973 for (i = 0; i < DB_NUMBER; i++)
974 row[i] = NULL;
975 bn = ASN1_INTEGER_to_BN(ser, NULL);
976 OPENSSL_assert(bn); /* FIXME: should report an error at this
977 * point and abort */
978 if (BN_is_zero(bn))
979 itmp = OPENSSL_strdup("00");
980 else
981 itmp = BN_bn2hex(bn);
982 row[DB_serial] = itmp;
983 BN_free(bn);
984 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
985 OPENSSL_free(itmp);
986 return rrow;
987}
988
989/* Quick and dirty OCSP server: read in and parse input request */
990
991static BIO *init_responder(const char *port)
992{
993# ifdef OPENSSL_NO_SOCK
994 BIO_printf(bio_err,
995 "Error setting up accept BIO - sockets not supported.\n");
996 return NULL;
997# else
998 BIO *acbio = NULL, *bufbio = NULL;
999
1000 bufbio = BIO_new(BIO_f_buffer());
1001 if (bufbio == NULL)
1002 goto err;
1003 acbio = BIO_new(BIO_s_accept());
1004 if (acbio == NULL
1005 || BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR) < 0
1006 || BIO_set_accept_port(acbio, port) < 0) {
1007 BIO_printf(bio_err, "Error setting up accept BIO\n");
1008 ERR_print_errors(bio_err);
1009 goto err;
1010 }
1011
1012 BIO_set_accept_bios(acbio, bufbio);
1013 bufbio = NULL;
1014 if (BIO_do_accept(acbio) <= 0) {
1015 BIO_printf(bio_err, "Error starting accept\n");
1016 ERR_print_errors(bio_err);
1017 goto err;
1018 }
1019
1020 return acbio;
1021
1022 err:
1023 BIO_free_all(acbio);
1024 BIO_free(bufbio);
1025 return NULL;
1026# endif
1027}
1028
1029# ifndef OPENSSL_NO_SOCK
1030/*
1031 * Decode %xx URL-decoding in-place. Ignores mal-formed sequences.
1032 */
1033static int urldecode(char *p)
1034{
1035 unsigned char *out = (unsigned char *)p;
1036 unsigned char *save = out;
1037
1038 for (; *p; p++) {
1039 if (*p != '%')
1040 *out++ = *p;
1041 else if (isxdigit(_UC(p[1])) && isxdigit(_UC(p[2]))) {
1042 /* Don't check, can't fail because of ixdigit() call. */
1043 *out++ = (OPENSSL_hexchar2int(p[1]) << 4)
1044 | OPENSSL_hexchar2int(p[2]);
1045 p += 2;
1046 }
1047 else
1048 return -1;
1049 }
1050 *out = '\0';
1051 return (int)(out - save);
1052}
1053# endif
1054
1055static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio)
1056{
1057# ifdef OPENSSL_NO_SOCK
1058 return 0;
1059# else
1060 int len;
1061 OCSP_REQUEST *req = NULL;
1062 char inbuf[2048], reqbuf[2048];
1063 char *p, *q;
1064 BIO *cbio = NULL, *getbio = NULL, *b64 = NULL;
1065
1066 if (BIO_do_accept(acbio) <= 0) {
1067 BIO_printf(bio_err, "Error accepting connection\n");
1068 ERR_print_errors(bio_err);
1069 return 0;
1070 }
1071
1072 cbio = BIO_pop(acbio);
1073 *pcbio = cbio;
1074
1075 /* Read the request line. */
1076 len = BIO_gets(cbio, reqbuf, sizeof(reqbuf));
1077 if (len <= 0)
1078 return 1;
1079 if (strncmp(reqbuf, "GET ", 4) == 0) {
1080 /* Expecting GET {sp} /URL {sp} HTTP/1.x */
1081 for (p = reqbuf + 4; *p == ' '; ++p)
1082 continue;
1083 if (*p != '/') {
1084 BIO_printf(bio_err, "Invalid request -- bad URL\n");
1085 return 1;
1086 }
1087 p++;
1088
1089 /* Splice off the HTTP version identifier. */
1090 for (q = p; *q; q++)
1091 if (*q == ' ')
1092 break;
1093 if (strncmp(q, " HTTP/1.", 8) != 0) {
1094 BIO_printf(bio_err, "Invalid request -- bad HTTP version\n");
1095 return 1;
1096 }
1097 *q = '\0';
1098 len = urldecode(p);
1099 if (len <= 0) {
1100 BIO_printf(bio_err, "Invalid request -- bad URL encoding\n");
1101 return 1;
1102 }
1103 if ((getbio = BIO_new_mem_buf(p, len)) == NULL
1104 || (b64 = BIO_new(BIO_f_base64())) == NULL) {
1105 BIO_printf(bio_err, "Could not allocate memory\n");
1106 ERR_print_errors(bio_err);
1107 return 1;
1108 }
1109 BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1110 getbio = BIO_push(b64, getbio);
1111 } else if (strncmp(reqbuf, "POST ", 5) != 0) {
1112 BIO_printf(bio_err, "Invalid request -- bad HTTP verb\n");
1113 return 1;
1114 }
1115
1116 /* Read and skip past the headers. */
1117 for (;;) {
1118 len = BIO_gets(cbio, inbuf, sizeof(inbuf));
1119 if (len <= 0)
1120 return 1;
1121 if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
1122 break;
1123 }
1124
1125 /* Try to read OCSP request */
1126 if (getbio != NULL) {
1127 req = d2i_OCSP_REQUEST_bio(getbio, NULL);
1128 BIO_free_all(getbio);
1129 } else {
1130 req = d2i_OCSP_REQUEST_bio(cbio, NULL);
1131 }
1132
1133 if (req == NULL) {
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 == NULL)
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 == NULL) {
1263 BIO_printf(bio_err, "Error creating connect BIO\n");
1264 goto end;
1265 }
1266 if (port != NULL)
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 == NULL)
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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