1 /*
2 * Copyright 2001-2025 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(OPENSSL_SYS_VXWORKS)
37 /* not supported */
setpgid(pid_t pid,pid_t pgid)38 int setpgid(pid_t pid, pid_t pgid)
39 {
40 errno = ENOSYS;
41 return 0;
42 }
43 /* not supported */
fork(void)44 pid_t fork(void)
45 {
46 errno = ENOSYS;
47 return (pid_t) -1;
48 }
49 #endif
50 /* Maximum leeway in validity period: default 5 minutes */
51 #define MAX_VALIDITY_PERIOD (5 * 60)
52
53 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
54 const EVP_MD *cert_id_md, X509 *issuer,
55 STACK_OF(OCSP_CERTID) *ids);
56 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
57 const EVP_MD *cert_id_md, X509 *issuer,
58 STACK_OF(OCSP_CERTID) *ids);
59 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
60 STACK_OF(OPENSSL_STRING) *names,
61 STACK_OF(OCSP_CERTID) *ids, long nsec,
62 long maxage);
63 static void make_ocsp_response(BIO *err, OCSP_RESPONSE **resp, OCSP_REQUEST *req,
64 CA_DB *db, STACK_OF(X509) *ca, X509 *rcert,
65 EVP_PKEY *rkey, const EVP_MD *md,
66 STACK_OF(OPENSSL_STRING) *sigopts,
67 STACK_OF(X509) *rother, unsigned long flags,
68 int nmin, int ndays, int badsig,
69 const EVP_MD *resp_md);
70
71 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
72 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
73 int timeout);
74 static int send_ocsp_response(BIO *cbio, const OCSP_RESPONSE *resp);
75 static char *prog;
76
77 #ifdef HTTP_DAEMON
78 static int index_changed(CA_DB *);
79 #endif
80
81 typedef enum OPTION_choice {
82 OPT_COMMON,
83 OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT,
84 #ifndef OPENSSL_NO_SOCK
85 OPT_PROXY, OPT_NO_PROXY,
86 #endif
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_CASTORE, OPT_NOCAFILE,
94 OPT_NOCAPATH, OPT_NOCASTORE,
95 OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT,
96 OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL,
97 OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER,
98 OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_RSIGOPT, OPT_HEADER,
99 OPT_PASSIN,
100 OPT_RCID,
101 OPT_V_ENUM,
102 OPT_MD,
103 OPT_MULTI, OPT_PROV_ENUM
104 } OPTION_CHOICE;
105
106 const OPTIONS ocsp_options[] = {
107 OPT_SECTION("General"),
108 {"help", OPT_HELP, '-', "Display this summary"},
109 {"ignore_err", OPT_IGNORE_ERR, '-',
110 "Ignore error on OCSP request or response and continue running"},
111 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
112 {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"},
113 {"CAstore", OPT_CASTORE, ':', "Trusted certificates store URI"},
114 {"no-CAfile", OPT_NOCAFILE, '-',
115 "Do not load the default certificates file"},
116 {"no-CApath", OPT_NOCAPATH, '-',
117 "Do not load certificates from the default certificates directory"},
118 {"no-CAstore", OPT_NOCASTORE, '-',
119 "Do not load certificates from the default certificates store"},
120
121 OPT_SECTION("Responder"),
122 {"timeout", OPT_TIMEOUT, 'p',
123 "Connection timeout (in seconds) to the OCSP responder"},
124 {"resp_no_certs", OPT_RESP_NO_CERTS, '-',
125 "Don't include any certificates in response"},
126 #ifdef HTTP_DAEMON
127 {"multi", OPT_MULTI, 'p', "run multiple responder processes"},
128 #endif
129 {"no_certs", OPT_NO_CERTS, '-',
130 "Don't include any certificates in signed request"},
131 {"badsig", OPT_BADSIG, '-',
132 "Corrupt last byte of loaded OCSP response signature (for test)"},
133 {"CA", OPT_CA, '<', "CA certificates"},
134 {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"},
135 {"nrequest", OPT_REQUEST, 'p',
136 "Number of requests to accept (default unlimited)"},
137 {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"},
138 {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"},
139 {"sign_other", OPT_SIGN_OTHER, '<',
140 "Additional certificates to include in signed request"},
141 {"index", OPT_INDEX, '<', "Certificate status index file"},
142 {"ndays", OPT_NDAYS, 'p', "Number of days before next update"},
143 {"rsigner", OPT_RSIGNER, '<',
144 "Responder certificate to sign responses with"},
145 {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"},
146 {"passin", OPT_PASSIN, 's', "Responder key pass phrase source"},
147 {"rother", OPT_ROTHER, '<', "Other certificates to include in response"},
148 {"rmd", OPT_RMD, 's', "Digest Algorithm to use in signature of OCSP response"},
149 {"rsigopt", OPT_RSIGOPT, 's', "OCSP response signature parameter in n:v form"},
150 {"header", OPT_HEADER, 's', "key=value header to add"},
151 {"rcid", OPT_RCID, 's', "Use specified algorithm for cert id in response"},
152 {"", OPT_MD, '-', "Any supported digest algorithm (sha1,sha256, ... )"},
153
154 OPT_SECTION("Client"),
155 {"url", OPT_URL, 's', "Responder URL"},
156 {"host", OPT_HOST, 's', "TCP/IP hostname:port to connect to"},
157 {"port", OPT_PORT, 'N', "Port to run responder on"},
158 {"path", OPT_PATH, 's', "Path to use in OCSP request"},
159 #ifndef OPENSSL_NO_SOCK
160 {"proxy", OPT_PROXY, 's',
161 "[http[s]://]host[:port][/path] of HTTP(S) proxy to use; path is ignored"},
162 {"no_proxy", OPT_NO_PROXY, 's',
163 "List of addresses of servers not to use HTTP(S) proxy for"},
164 {OPT_MORE_STR, 0, 0,
165 "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
166 #endif
167 {"out", OPT_OUTFILE, '>', "Output filename"},
168 {"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"},
169 {"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"},
170 {"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"},
171 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-',
172 "Don't check signature on response"},
173 {"resp_key_id", OPT_RESP_KEY_ID, '-',
174 "Identify response by signing certificate key ID"},
175 {"no_cert_verify", OPT_NO_CERT_VERIFY, '-',
176 "Don't check signing certificate"},
177 {"text", OPT_TEXT, '-', "Print text form of request and response"},
178 {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"},
179 {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"},
180 {"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"},
181 {"no_cert_checks", OPT_NO_CERT_CHECKS, '-',
182 "Don't do additional checks on signing certificate"},
183 {"no_explicit", OPT_NO_EXPLICIT, '-',
184 "Do not explicitly check the chain, just verify the root"},
185 {"trust_other", OPT_TRUST_OTHER, '-',
186 "Don't verify additional certificates"},
187 {"no_intern", OPT_NO_INTERN, '-',
188 "Don't search certificates contained in response for signer"},
189 {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"},
190 {"VAfile", OPT_VAFILE, '<', "Validator certificates file"},
191 {"verify_other", OPT_VERIFY_OTHER, '<',
192 "Additional certificates to search for signer"},
193 {"cert", OPT_CERT, '<',
194 "Certificate to check; may be given multiple times"},
195 {"serial", OPT_SERIAL, 's',
196 "Serial number to check; may be given multiple times"},
197 {"validity_period", OPT_VALIDITY_PERIOD, 'u',
198 "Maximum validity discrepancy in seconds"},
199 {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"},
200 {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"},
201 {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"},
202 {"issuer", OPT_ISSUER, '<', "Issuer certificate"},
203 {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"},
204
205 OPT_V_OPTIONS,
206 OPT_PROV_OPTIONS,
207 {NULL}
208 };
209
ocsp_main(int argc,char ** argv)210 int ocsp_main(int argc, char **argv)
211 {
212 BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
213 EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
214 STACK_OF(OPENSSL_STRING) *rsign_sigopts = NULL;
215 int trailing_md = 0;
216 CA_DB *rdb = NULL;
217 EVP_PKEY *key = NULL, *rkey = NULL;
218 OCSP_BASICRESP *bs = NULL;
219 OCSP_REQUEST *req = NULL;
220 OCSP_RESPONSE *resp = NULL;
221 STACK_OF(CONF_VALUE) *headers = NULL;
222 STACK_OF(OCSP_CERTID) *ids = NULL;
223 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
224 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
225 STACK_OF(X509) *issuers = NULL;
226 X509 *issuer = NULL, *cert = NULL;
227 STACK_OF(X509) *rca_certs = NULL;
228 EVP_MD *resp_certid_md = NULL;
229 X509 *signer = NULL, *rsigner = NULL;
230 X509_STORE *store = NULL;
231 X509_VERIFY_PARAM *vpm = NULL;
232 const char *CAfile = NULL, *CApath = NULL, *CAstore = NULL;
233 char *header, *value, *respdigname = NULL;
234 char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
235 #ifndef OPENSSL_NO_SOCK
236 char *opt_proxy = NULL;
237 char *opt_no_proxy = NULL;
238 #endif
239 char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
240 char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
241 char *rsignfile = NULL, *rkeyfile = NULL;
242 char *passinarg = NULL, *passin = NULL;
243 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
244 char *signfile = NULL, *keyfile = NULL;
245 char *thost = NULL, *tport = NULL, *tpath = NULL;
246 int noCAfile = 0, noCApath = 0, noCAstore = 0;
247 int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
248 int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
249 int req_text = 0, resp_text = 0, res, ret = 1;
250 int req_timeout = -1;
251 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
252 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
253 OPTION_CHOICE o;
254
255 if ((reqnames = sk_OPENSSL_STRING_new_null()) == NULL
256 || (ids = sk_OCSP_CERTID_new_null()) == NULL
257 || (vpm = X509_VERIFY_PARAM_new()) == NULL)
258 goto end;
259
260 opt_set_unknown_name("digest");
261 prog = opt_init(argc, argv, ocsp_options);
262 while ((o = opt_next()) != OPT_EOF) {
263 switch (o) {
264 case OPT_EOF:
265 case OPT_ERR:
266 opthelp:
267 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
268 goto end;
269 case OPT_HELP:
270 ret = 0;
271 opt_help(ocsp_options);
272 goto end;
273 case OPT_OUTFILE:
274 outfile = opt_arg();
275 break;
276 case OPT_TIMEOUT:
277 #ifndef OPENSSL_NO_SOCK
278 req_timeout = atoi(opt_arg());
279 #endif
280 break;
281 case OPT_URL:
282 OPENSSL_free(thost);
283 OPENSSL_free(tport);
284 OPENSSL_free(tpath);
285 thost = tport = tpath = NULL;
286 if (!OSSL_HTTP_parse_url(opt_arg(), &use_ssl, NULL /* userinfo */,
287 &host, &port, NULL /* port_num */,
288 &path, NULL /* qry */, NULL /* frag */)) {
289 BIO_printf(bio_err, "%s Error parsing -url argument\n", prog);
290 goto end;
291 }
292 thost = host;
293 tport = port;
294 tpath = path;
295 break;
296 case OPT_HOST:
297 host = opt_arg();
298 break;
299 case OPT_PORT:
300 port = opt_arg();
301 break;
302 case OPT_PATH:
303 path = opt_arg();
304 break;
305 #ifndef OPENSSL_NO_SOCK
306 case OPT_PROXY:
307 opt_proxy = opt_arg();
308 break;
309 case OPT_NO_PROXY:
310 opt_no_proxy = opt_arg();
311 break;
312 #endif
313 case OPT_IGNORE_ERR:
314 ignore_err = 1;
315 break;
316 case OPT_NOVERIFY:
317 noverify = 1;
318 break;
319 case OPT_NONCE:
320 add_nonce = 2;
321 break;
322 case OPT_NO_NONCE:
323 add_nonce = 0;
324 break;
325 case OPT_RESP_NO_CERTS:
326 rflags |= OCSP_NOCERTS;
327 break;
328 case OPT_RESP_KEY_ID:
329 rflags |= OCSP_RESPID_KEY;
330 break;
331 case OPT_NO_CERTS:
332 sign_flags |= OCSP_NOCERTS;
333 break;
334 case OPT_NO_SIGNATURE_VERIFY:
335 verify_flags |= OCSP_NOSIGS;
336 break;
337 case OPT_NO_CERT_VERIFY:
338 verify_flags |= OCSP_NOVERIFY;
339 break;
340 case OPT_NO_CHAIN:
341 verify_flags |= OCSP_NOCHAIN;
342 break;
343 case OPT_NO_CERT_CHECKS:
344 verify_flags |= OCSP_NOCHECKS;
345 break;
346 case OPT_NO_EXPLICIT:
347 verify_flags |= OCSP_NOEXPLICIT;
348 break;
349 case OPT_TRUST_OTHER:
350 verify_flags |= OCSP_TRUSTOTHER;
351 break;
352 case OPT_NO_INTERN:
353 verify_flags |= OCSP_NOINTERN;
354 break;
355 case OPT_BADSIG:
356 badsig = 1;
357 break;
358 case OPT_TEXT:
359 req_text = resp_text = 1;
360 break;
361 case OPT_REQ_TEXT:
362 req_text = 1;
363 break;
364 case OPT_RESP_TEXT:
365 resp_text = 1;
366 break;
367 case OPT_REQIN:
368 reqin = opt_arg();
369 break;
370 case OPT_RESPIN:
371 respin = opt_arg();
372 break;
373 case OPT_SIGNER:
374 signfile = opt_arg();
375 break;
376 case OPT_VAFILE:
377 verify_certfile = opt_arg();
378 verify_flags |= OCSP_TRUSTOTHER;
379 break;
380 case OPT_SIGN_OTHER:
381 sign_certfile = opt_arg();
382 break;
383 case OPT_VERIFY_OTHER:
384 verify_certfile = opt_arg();
385 break;
386 case OPT_CAFILE:
387 CAfile = opt_arg();
388 break;
389 case OPT_CAPATH:
390 CApath = opt_arg();
391 break;
392 case OPT_CASTORE:
393 CAstore = opt_arg();
394 break;
395 case OPT_NOCAFILE:
396 noCAfile = 1;
397 break;
398 case OPT_NOCAPATH:
399 noCApath = 1;
400 break;
401 case OPT_NOCASTORE:
402 noCAstore = 1;
403 break;
404 case OPT_V_CASES:
405 if (!opt_verify(o, vpm))
406 goto end;
407 vpmtouched++;
408 break;
409 case OPT_VALIDITY_PERIOD:
410 opt_long(opt_arg(), &nsec);
411 break;
412 case OPT_STATUS_AGE:
413 opt_long(opt_arg(), &maxage);
414 break;
415 case OPT_SIGNKEY:
416 keyfile = opt_arg();
417 break;
418 case OPT_REQOUT:
419 reqout = opt_arg();
420 break;
421 case OPT_RESPOUT:
422 respout = opt_arg();
423 break;
424 case OPT_ISSUER:
425 issuer = load_cert(opt_arg(), FORMAT_UNDEF, "issuer certificate");
426 if (issuer == NULL)
427 goto end;
428 if (issuers == NULL) {
429 if ((issuers = sk_X509_new_null()) == NULL)
430 goto end;
431 }
432 if (!sk_X509_push(issuers, issuer))
433 goto end;
434 break;
435 case OPT_CERT:
436 reset_unknown();
437 X509_free(cert);
438 cert = load_cert(opt_arg(), FORMAT_UNDEF, "certificate");
439 if (cert == NULL)
440 goto end;
441 if (cert_id_md == NULL)
442 cert_id_md = (EVP_MD *)EVP_sha1();
443 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
444 goto end;
445 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
446 goto end;
447 trailing_md = 0;
448 break;
449 case OPT_SERIAL:
450 reset_unknown();
451 if (cert_id_md == NULL)
452 cert_id_md = (EVP_MD *)EVP_sha1();
453 if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
454 goto end;
455 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
456 goto end;
457 trailing_md = 0;
458 break;
459 case OPT_INDEX:
460 ridx_filename = opt_arg();
461 break;
462 case OPT_CA:
463 rca_filename = opt_arg();
464 break;
465 case OPT_NMIN:
466 nmin = opt_int_arg();
467 if (ndays == -1)
468 ndays = 0;
469 break;
470 case OPT_REQUEST:
471 accept_count = opt_int_arg();
472 break;
473 case OPT_NDAYS:
474 ndays = atoi(opt_arg());
475 break;
476 case OPT_RSIGNER:
477 rsignfile = opt_arg();
478 break;
479 case OPT_RKEY:
480 rkeyfile = opt_arg();
481 break;
482 case OPT_PASSIN:
483 passinarg = opt_arg();
484 break;
485 case OPT_ROTHER:
486 rcertfile = opt_arg();
487 break;
488 case OPT_RMD: /* Response MessageDigest */
489 respdigname = opt_arg();
490 break;
491 case OPT_RSIGOPT:
492 if (rsign_sigopts == NULL)
493 rsign_sigopts = sk_OPENSSL_STRING_new_null();
494 if (rsign_sigopts == NULL
495 || !sk_OPENSSL_STRING_push(rsign_sigopts, opt_arg()))
496 goto end;
497 break;
498 case OPT_HEADER:
499 header = opt_arg();
500 value = strchr(header, '=');
501 if (value == NULL) {
502 BIO_printf(bio_err, "Missing = in header key=value\n");
503 goto opthelp;
504 }
505 *value++ = '\0';
506 if (!X509V3_add_value(header, value, &headers))
507 goto end;
508 break;
509 case OPT_RCID:
510 if (!opt_md(opt_arg(), &resp_certid_md))
511 goto opthelp;
512 break;
513 case OPT_MD:
514 if (trailing_md) {
515 BIO_printf(bio_err,
516 "%s: Digest must be before -cert or -serial\n",
517 prog);
518 goto opthelp;
519 }
520 if (!opt_md(opt_unknown(), &cert_id_md))
521 goto opthelp;
522 trailing_md = 1;
523 break;
524 case OPT_MULTI:
525 #ifdef HTTP_DAEMON
526 n_responders = atoi(opt_arg());
527 #endif
528 break;
529 case OPT_PROV_CASES:
530 if (!opt_provider(o))
531 goto end;
532 break;
533 }
534 }
535
536 /* No extra arguments. */
537 if (!opt_check_rest_arg(NULL))
538 goto opthelp;
539
540 if (trailing_md) {
541 BIO_printf(bio_err, "%s: Digest must be before -cert or -serial\n",
542 prog);
543 goto opthelp;
544 }
545
546 if (respdigname != NULL) {
547 if (!opt_md(respdigname, &rsign_md))
548 goto end;
549 }
550
551 /* Have we anything to do? */
552 if (req == NULL && reqin == NULL
553 && respin == NULL && !(port != NULL && ridx_filename != NULL))
554 goto opthelp;
555
556 if (req == NULL && (add_nonce != 2))
557 add_nonce = 0;
558
559 if (req == NULL && reqin != NULL) {
560 derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
561 if (derbio == NULL)
562 goto end;
563 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
564 BIO_free(derbio);
565 if (req == NULL) {
566 BIO_printf(bio_err, "Error reading OCSP request\n");
567 goto end;
568 }
569 }
570
571 if (req == NULL && port != NULL) {
572 #ifndef OPENSSL_NO_SOCK
573 acbio = http_server_init(prog, port, -1);
574 if (acbio == NULL)
575 goto end;
576 #else
577 BIO_printf(bio_err, "Cannot act as server - sockets not supported\n");
578 goto end;
579 #endif
580 }
581
582 if (rsignfile != NULL) {
583 if (rkeyfile == NULL)
584 rkeyfile = rsignfile;
585 rsigner = load_cert(rsignfile, FORMAT_UNDEF, "responder certificate");
586 if (rsigner == NULL) {
587 BIO_printf(bio_err, "Error loading responder certificate\n");
588 goto end;
589 }
590 if (!load_certs(rca_filename, 0, &rca_certs, NULL, "CA certificates"))
591 goto end;
592 if (rcertfile != NULL) {
593 if (!load_certs(rcertfile, 0, &rother, NULL,
594 "responder other certificates"))
595 goto end;
596 }
597 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
598 BIO_printf(bio_err, "Error getting password\n");
599 goto end;
600 }
601 rkey = load_key(rkeyfile, FORMAT_UNDEF, 0, passin, NULL,
602 "responder private key");
603 if (rkey == NULL)
604 goto end;
605 }
606
607 if (ridx_filename != NULL
608 && (rkey == NULL || rsigner == NULL || rca_certs == NULL)) {
609 BIO_printf(bio_err,
610 "Responder mode requires certificate, key, and CA.\n");
611 goto end;
612 }
613
614 if (ridx_filename != NULL) {
615 rdb = load_index(ridx_filename, NULL);
616 if (rdb == NULL || index_index(rdb) <= 0) {
617 BIO_printf(bio_err,
618 "Problem with index file: %s (could not load/parse file)\n",
619 ridx_filename);
620 ret = 1;
621 goto end;
622 }
623 }
624
625 #ifdef HTTP_DAEMON
626 if (n_responders != 0 && acbio != NULL)
627 spawn_loop(prog);
628 if (acbio != NULL && req_timeout > 0)
629 signal(SIGALRM, socket_timeout);
630 #endif
631
632 if (acbio != NULL)
633 trace_log_message(-1, prog,
634 LOG_INFO, "waiting for OCSP client connections...");
635
636 redo_accept:
637
638 if (acbio != NULL) {
639 #ifdef HTTP_DAEMON
640 if (index_changed(rdb)) {
641 CA_DB *newrdb = load_index(ridx_filename, NULL);
642
643 if (newrdb != NULL && index_index(newrdb) > 0) {
644 free_index(rdb);
645 rdb = newrdb;
646 } else {
647 free_index(newrdb);
648 trace_log_message(-1, prog,
649 LOG_ERR, "error reloading updated index: %s",
650 ridx_filename);
651 }
652 }
653 #endif
654
655 req = NULL;
656 res = do_responder(&req, &cbio, acbio, req_timeout);
657 if (res == 0)
658 goto redo_accept;
659
660 if (req == NULL) {
661 if (res == 1) {
662 resp =
663 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
664 NULL);
665 if (resp != NULL)
666 send_ocsp_response(cbio, resp);
667 }
668 goto done_resp;
669 }
670 }
671
672 if (req == NULL
673 && (signfile != NULL || reqout != NULL
674 || host != NULL || add_nonce || ridx_filename != NULL)) {
675 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
676 goto end;
677 }
678
679 if (req != NULL && add_nonce) {
680 if (!OCSP_request_add1_nonce(req, NULL, -1))
681 goto end;
682 }
683
684 if (signfile != NULL) {
685 if (keyfile == NULL)
686 keyfile = signfile;
687 signer = load_cert(signfile, FORMAT_UNDEF, "signer certificate");
688 if (signer == NULL) {
689 BIO_printf(bio_err, "Error loading signer certificate\n");
690 goto end;
691 }
692 if (sign_certfile != NULL) {
693 if (!load_certs(sign_certfile, 0, &sign_other, NULL,
694 "signer certificates"))
695 goto end;
696 }
697 key = load_key(keyfile, FORMAT_UNDEF, 0, NULL, NULL,
698 "signer private key");
699 if (key == NULL)
700 goto end;
701
702 if (!OCSP_request_sign(req, signer, key, NULL,
703 sign_other, sign_flags)) {
704 BIO_printf(bio_err, "Error signing OCSP request\n");
705 goto end;
706 }
707 }
708
709 out = bio_open_default(outfile, 'w', FORMAT_TEXT);
710 if (out == NULL)
711 goto end;
712
713 if (req_text && req != NULL)
714 OCSP_REQUEST_print(out, req, 0);
715
716 if (reqout != NULL) {
717 derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
718 if (derbio == NULL)
719 goto end;
720 i2d_OCSP_REQUEST_bio(derbio, req);
721 BIO_free(derbio);
722 }
723
724 if (rdb != NULL) {
725 make_ocsp_response(bio_err, &resp, req, rdb, rca_certs, rsigner, rkey,
726 rsign_md, rsign_sigopts, rother, rflags, nmin, ndays,
727 badsig, resp_certid_md);
728 if (resp == NULL)
729 goto end;
730 if (cbio != NULL)
731 send_ocsp_response(cbio, resp);
732 } else if (host != NULL) {
733 #ifndef OPENSSL_NO_SOCK
734 resp = process_responder(req, host, port, path, opt_proxy, opt_no_proxy,
735 use_ssl, headers, req_timeout);
736 if (resp == NULL)
737 goto end;
738 #else
739 BIO_printf(bio_err,
740 "Error creating connect BIO - sockets not supported\n");
741 goto end;
742 #endif
743 } else if (respin != NULL) {
744 derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
745 if (derbio == NULL)
746 goto end;
747 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
748 BIO_free(derbio);
749 if (resp == NULL) {
750 BIO_printf(bio_err, "Error reading OCSP response\n");
751 goto end;
752 }
753 } else {
754 ret = 0;
755 goto end;
756 }
757
758 done_resp:
759
760 if (respout != NULL) {
761 derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
762 if (derbio == NULL)
763 goto end;
764 i2d_OCSP_RESPONSE_bio(derbio, resp);
765 BIO_free(derbio);
766 }
767
768 if (resp != NULL) {
769 i = OCSP_response_status(resp);
770 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
771 BIO_printf(out, "Responder Error: %s (%d)\n",
772 OCSP_response_status_str(i), i);
773 if (!ignore_err)
774 goto end;
775 }
776
777 if (resp_text)
778 OCSP_RESPONSE_print(out, resp, 0);
779 }
780
781 /* If running as responder don't verify our own response */
782 if (cbio != NULL) {
783 /* If not unlimited, see if we took all we should. */
784 if (accept_count != -1 && --accept_count <= 0) {
785 ret = 0;
786 goto end;
787 }
788 BIO_free_all(cbio);
789 cbio = NULL;
790 OCSP_REQUEST_free(req);
791 req = NULL;
792 OCSP_RESPONSE_free(resp);
793 resp = NULL;
794 goto redo_accept;
795 }
796 if (ridx_filename != NULL) {
797 ret = 0;
798 goto end;
799 }
800
801 if (store == NULL) {
802 store = setup_verify(CAfile, noCAfile, CApath, noCApath,
803 CAstore, noCAstore);
804 if (!store)
805 goto end;
806 }
807 if (vpmtouched)
808 X509_STORE_set1_param(store, vpm);
809 if (verify_certfile != NULL) {
810 if (!load_certs(verify_certfile, 0, &verify_other, NULL,
811 "validator certificates"))
812 goto end;
813 }
814
815 bs = OCSP_response_get1_basic(resp);
816 if (bs == NULL) {
817 BIO_printf(bio_err, "Error parsing response\n");
818 goto end;
819 }
820
821 ret = 0;
822
823 if (!noverify) {
824 if (req != NULL && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
825 if (i == -1)
826 BIO_printf(bio_err, "WARNING: no nonce in response\n");
827 else {
828 BIO_printf(bio_err, "Nonce Verify error\n");
829 ret = 1;
830 goto end;
831 }
832 }
833
834 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
835 if (i <= 0 && issuers) {
836 i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
837 if (i > 0)
838 ERR_clear_error();
839 }
840 if (i <= 0) {
841 BIO_printf(bio_err, "Response Verify Failure\n");
842 ERR_print_errors(bio_err);
843 ret = 1;
844 } else {
845 BIO_printf(bio_err, "Response verify OK\n");
846 }
847 }
848
849 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage))
850 ret = 1;
851
852 end:
853 ERR_print_errors(bio_err);
854 X509_free(signer);
855 X509_STORE_free(store);
856 X509_VERIFY_PARAM_free(vpm);
857 sk_OPENSSL_STRING_free(rsign_sigopts);
858 EVP_PKEY_free(key);
859 EVP_PKEY_free(rkey);
860 EVP_MD_free(cert_id_md);
861 EVP_MD_free(rsign_md);
862 EVP_MD_free(resp_certid_md);
863 X509_free(cert);
864 OSSL_STACK_OF_X509_free(issuers);
865 X509_free(rsigner);
866 OSSL_STACK_OF_X509_free(rca_certs);
867 free_index(rdb);
868 BIO_free_all(cbio);
869 BIO_free_all(acbio);
870 BIO_free_all(out);
871 OCSP_REQUEST_free(req);
872 OCSP_RESPONSE_free(resp);
873 OCSP_BASICRESP_free(bs);
874 sk_OPENSSL_STRING_free(reqnames);
875 sk_OCSP_CERTID_free(ids);
876 OSSL_STACK_OF_X509_free(sign_other);
877 OSSL_STACK_OF_X509_free(verify_other);
878 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
879 OPENSSL_free(thost);
880 OPENSSL_free(tport);
881 OPENSSL_free(tpath);
882
883 return ret;
884 }
885
886 #ifdef HTTP_DAEMON
887
index_changed(CA_DB * rdb)888 static int index_changed(CA_DB *rdb)
889 {
890 struct stat sb;
891
892 if (rdb != NULL && stat(rdb->dbfname, &sb) != -1) {
893 if (rdb->dbst.st_mtime != sb.st_mtime
894 || rdb->dbst.st_ctime != sb.st_ctime
895 || rdb->dbst.st_ino != sb.st_ino
896 || rdb->dbst.st_dev != sb.st_dev) {
897 syslog(LOG_INFO, "index file changed, reloading");
898 return 1;
899 }
900 }
901 return 0;
902 }
903
904 #endif
905
add_ocsp_cert(OCSP_REQUEST ** req,X509 * cert,const EVP_MD * cert_id_md,X509 * issuer,STACK_OF (OCSP_CERTID)* ids)906 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
907 const EVP_MD *cert_id_md, X509 *issuer,
908 STACK_OF(OCSP_CERTID) *ids)
909 {
910 OCSP_CERTID *id;
911
912 if (issuer == NULL) {
913 BIO_printf(bio_err, "No issuer certificate specified\n");
914 return 0;
915 }
916 if (*req == NULL)
917 *req = OCSP_REQUEST_new();
918 if (*req == NULL)
919 goto err;
920 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
921 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
922 goto err;
923 if (!OCSP_request_add0_id(*req, id))
924 goto err;
925 return 1;
926
927 err:
928 BIO_printf(bio_err, "Error Creating OCSP request\n");
929 return 0;
930 }
931
add_ocsp_serial(OCSP_REQUEST ** req,char * serial,const EVP_MD * cert_id_md,X509 * issuer,STACK_OF (OCSP_CERTID)* ids)932 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
933 const EVP_MD *cert_id_md, X509 *issuer,
934 STACK_OF(OCSP_CERTID) *ids)
935 {
936 OCSP_CERTID *id;
937 const X509_NAME *iname;
938 ASN1_BIT_STRING *ikey;
939 ASN1_INTEGER *sno;
940
941 if (issuer == NULL) {
942 BIO_printf(bio_err, "No issuer certificate specified\n");
943 return 0;
944 }
945 if (*req == NULL)
946 *req = OCSP_REQUEST_new();
947 if (*req == NULL)
948 goto err;
949 iname = X509_get_subject_name(issuer);
950 ikey = X509_get0_pubkey_bitstr(issuer);
951 sno = s2i_ASN1_INTEGER(NULL, serial);
952 if (sno == NULL) {
953 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
954 return 0;
955 }
956 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
957 ASN1_INTEGER_free(sno);
958 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
959 goto err;
960 if (!OCSP_request_add0_id(*req, id))
961 goto err;
962 return 1;
963
964 err:
965 BIO_printf(bio_err, "Error Creating OCSP request\n");
966 return 0;
967 }
968
print_ocsp_summary(BIO * out,OCSP_BASICRESP * bs,OCSP_REQUEST * req,STACK_OF (OPENSSL_STRING)* names,STACK_OF (OCSP_CERTID)* ids,long nsec,long maxage)969 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
970 STACK_OF(OPENSSL_STRING) *names,
971 STACK_OF(OCSP_CERTID) *ids, long nsec,
972 long maxage)
973 {
974 OCSP_CERTID *id;
975 const char *name;
976 int i, status, reason;
977 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
978 int ret = 1;
979
980 if (req == NULL || !sk_OPENSSL_STRING_num(names))
981 return 1;
982
983 if (bs == NULL || !sk_OCSP_CERTID_num(ids))
984 return 0;
985
986 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
987 id = sk_OCSP_CERTID_value(ids, i);
988 name = sk_OPENSSL_STRING_value(names, i);
989 BIO_printf(out, "%s: ", name);
990
991 if (!OCSP_resp_find_status(bs, id, &status, &reason,
992 &rev, &thisupd, &nextupd)) {
993 BIO_puts(out, "ERROR: No Status found.\n");
994 ret = 0;
995 continue;
996 }
997
998 /*
999 * Check validity: if invalid write to output BIO so we know which
1000 * response this refers to.
1001 */
1002 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
1003 BIO_puts(out, "WARNING: Status times invalid.\n");
1004 ERR_print_errors(out);
1005 }
1006 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
1007
1008 BIO_puts(out, "\tThis Update: ");
1009 ASN1_GENERALIZEDTIME_print(out, thisupd);
1010 BIO_puts(out, "\n");
1011
1012 if (nextupd) {
1013 BIO_puts(out, "\tNext Update: ");
1014 ASN1_GENERALIZEDTIME_print(out, nextupd);
1015 BIO_puts(out, "\n");
1016 }
1017
1018 if (status != V_OCSP_CERTSTATUS_REVOKED)
1019 continue;
1020
1021 if (reason != -1)
1022 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
1023
1024 BIO_puts(out, "\tRevocation Time: ");
1025 ASN1_GENERALIZEDTIME_print(out, rev);
1026 BIO_puts(out, "\n");
1027 }
1028 return ret;
1029 }
1030
make_ocsp_response(BIO * err,OCSP_RESPONSE ** resp,OCSP_REQUEST * req,CA_DB * db,STACK_OF (X509)* ca,X509 * rcert,EVP_PKEY * rkey,const EVP_MD * rmd,STACK_OF (OPENSSL_STRING)* sigopts,STACK_OF (X509)* rother,unsigned long flags,int nmin,int ndays,int badsig,const EVP_MD * resp_md)1031 static void make_ocsp_response(BIO *err, OCSP_RESPONSE **resp, OCSP_REQUEST *req,
1032 CA_DB *db, STACK_OF(X509) *ca, X509 *rcert,
1033 EVP_PKEY *rkey, const EVP_MD *rmd,
1034 STACK_OF(OPENSSL_STRING) *sigopts,
1035 STACK_OF(X509) *rother, unsigned long flags,
1036 int nmin, int ndays, int badsig,
1037 const EVP_MD *resp_md)
1038 {
1039 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
1040 OCSP_CERTID *cid;
1041 OCSP_BASICRESP *bs = NULL;
1042 int i, id_count;
1043 EVP_MD_CTX *mctx = NULL;
1044 EVP_PKEY_CTX *pkctx = NULL;
1045
1046 id_count = OCSP_request_onereq_count(req);
1047
1048 if (id_count <= 0) {
1049 *resp =
1050 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
1051 goto end;
1052 }
1053
1054 bs = OCSP_BASICRESP_new();
1055 if (bs == NULL) {
1056 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, bs);
1057 goto end;
1058 }
1059 thisupd = X509_gmtime_adj(NULL, 0);
1060 if (ndays != -1)
1061 nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL);
1062
1063 /* Examine each certificate id in the request */
1064 for (i = 0; i < id_count; i++) {
1065 OCSP_ONEREQ *one;
1066 ASN1_INTEGER *serial;
1067 char **inf;
1068 int jj;
1069 int found = 0;
1070 ASN1_OBJECT *cert_id_md_oid;
1071 const EVP_MD *cert_id_md;
1072 OCSP_CERTID *cid_resp_md = NULL;
1073
1074 one = OCSP_request_onereq_get0(req, i);
1075 cid = OCSP_onereq_get0_id(one);
1076
1077 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
1078
1079 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
1080 if (cert_id_md == NULL) {
1081 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
1082 NULL);
1083 goto end;
1084 }
1085 for (jj = 0; jj < sk_X509_num(ca) && !found; jj++) {
1086 X509 *ca_cert = sk_X509_value(ca, jj);
1087 OCSP_CERTID *ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca_cert);
1088
1089 if (OCSP_id_issuer_cmp(ca_id, cid) == 0) {
1090 found = 1;
1091 if (resp_md != NULL)
1092 cid_resp_md = OCSP_cert_to_id(resp_md, NULL, ca_cert);
1093 }
1094 OCSP_CERTID_free(ca_id);
1095 }
1096 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
1097 inf = lookup_serial(db, serial);
1098
1099 /* at this point, we can have cid be an alias of cid_resp_md */
1100 cid = (cid_resp_md != NULL) ? cid_resp_md : cid;
1101
1102 if (!found) {
1103 OCSP_basic_add1_status(bs, cid,
1104 V_OCSP_CERTSTATUS_UNKNOWN,
1105 0, NULL, thisupd, nextupd);
1106 continue;
1107 }
1108 if (inf == NULL) {
1109 OCSP_basic_add1_status(bs, cid,
1110 V_OCSP_CERTSTATUS_UNKNOWN,
1111 0, NULL, thisupd, nextupd);
1112 } else if (inf[DB_type][0] == DB_TYPE_VAL) {
1113 OCSP_basic_add1_status(bs, cid,
1114 V_OCSP_CERTSTATUS_GOOD,
1115 0, NULL, thisupd, nextupd);
1116 } else if (inf[DB_type][0] == DB_TYPE_REV) {
1117 ASN1_OBJECT *inst = NULL;
1118 ASN1_TIME *revtm = NULL;
1119 ASN1_GENERALIZEDTIME *invtm = NULL;
1120 OCSP_SINGLERESP *single;
1121 int reason = -1;
1122
1123 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
1124 single = OCSP_basic_add1_status(bs, cid,
1125 V_OCSP_CERTSTATUS_REVOKED,
1126 reason, revtm, thisupd, nextupd);
1127 if (single == NULL) {
1128 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
1129 NULL);
1130 goto end;
1131 }
1132 if (invtm != NULL)
1133 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
1134 invtm, 0, 0);
1135 else if (inst != NULL)
1136 OCSP_SINGLERESP_add1_ext_i2d(single,
1137 NID_hold_instruction_code, inst,
1138 0, 0);
1139 ASN1_OBJECT_free(inst);
1140 ASN1_TIME_free(revtm);
1141 ASN1_GENERALIZEDTIME_free(invtm);
1142 }
1143 OCSP_CERTID_free(cid_resp_md);
1144 }
1145
1146 OCSP_copy_nonce(bs, req);
1147
1148 mctx = EVP_MD_CTX_new();
1149 if (mctx == NULL || !EVP_DigestSignInit(mctx, &pkctx, rmd, NULL, rkey)) {
1150 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, NULL);
1151 goto end;
1152 }
1153 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1154 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1155
1156 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1157 BIO_printf(err, "parameter error \"%s\"\n", sigopt);
1158 ERR_print_errors(bio_err);
1159 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
1160 NULL);
1161 goto end;
1162 }
1163 }
1164 if (!OCSP_basic_sign_ctx(bs, rcert, mctx, rother, flags)) {
1165 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, bs);
1166 goto end;
1167 }
1168
1169 if (badsig) {
1170 const ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs);
1171 corrupt_signature(sig);
1172 }
1173
1174 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
1175
1176 end:
1177 EVP_MD_CTX_free(mctx);
1178 ASN1_TIME_free(thisupd);
1179 ASN1_TIME_free(nextupd);
1180 OCSP_BASICRESP_free(bs);
1181 }
1182
lookup_serial(CA_DB * db,ASN1_INTEGER * ser)1183 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
1184 {
1185 int i;
1186 BIGNUM *bn = NULL;
1187 char *itmp, *row[DB_NUMBER], **rrow;
1188 for (i = 0; i < DB_NUMBER; i++)
1189 row[i] = NULL;
1190 bn = ASN1_INTEGER_to_BN(ser, NULL);
1191 OPENSSL_assert(bn); /* FIXME: should report an error at this
1192 * point and abort */
1193 if (BN_is_zero(bn)) {
1194 itmp = OPENSSL_strdup("00");
1195 OPENSSL_assert(itmp);
1196 } else {
1197 itmp = BN_bn2hex(bn);
1198 }
1199 row[DB_serial] = itmp;
1200 BN_free(bn);
1201 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
1202 OPENSSL_free(itmp);
1203 return rrow;
1204 }
1205
do_responder(OCSP_REQUEST ** preq,BIO ** pcbio,BIO * acbio,int timeout)1206 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
1207 int timeout)
1208 {
1209 #ifndef OPENSSL_NO_SOCK
1210 return http_server_get_asn1_req(ASN1_ITEM_rptr(OCSP_REQUEST),
1211 (ASN1_VALUE **)preq, NULL, pcbio, acbio,
1212 NULL /* found_keep_alive */,
1213 prog, 1 /* accept_get */, timeout);
1214 #else
1215 BIO_printf(bio_err,
1216 "Error getting OCSP request - sockets not supported\n");
1217 *preq = NULL;
1218 return 0;
1219 #endif
1220 }
1221
send_ocsp_response(BIO * cbio,const OCSP_RESPONSE * resp)1222 static int send_ocsp_response(BIO *cbio, const OCSP_RESPONSE *resp)
1223 {
1224 #ifndef OPENSSL_NO_SOCK
1225 return http_server_send_asn1_resp(prog, cbio,
1226 0 /* no keep-alive */,
1227 "application/ocsp-response",
1228 ASN1_ITEM_rptr(OCSP_RESPONSE),
1229 (const ASN1_VALUE *)resp);
1230 #else
1231 BIO_printf(bio_err,
1232 "Error sending OCSP response - sockets not supported\n");
1233 return 0;
1234 #endif
1235 }
1236
1237 #ifndef OPENSSL_NO_SOCK
process_responder(OCSP_REQUEST * req,const char * host,const char * port,const char * path,const char * proxy,const char * no_proxy,int use_ssl,STACK_OF (CONF_VALUE)* headers,int req_timeout)1238 OCSP_RESPONSE *process_responder(OCSP_REQUEST *req, const char *host,
1239 const char *port, const char *path,
1240 const char *proxy, const char *no_proxy,
1241 int use_ssl, STACK_OF(CONF_VALUE) *headers,
1242 int req_timeout)
1243 {
1244 SSL_CTX *ctx = NULL;
1245 OCSP_RESPONSE *resp = NULL;
1246
1247 if (use_ssl == 1) {
1248 ctx = SSL_CTX_new(TLS_client_method());
1249 if (ctx == NULL) {
1250 BIO_printf(bio_err, "Error creating SSL context.\n");
1251 goto end;
1252 }
1253 }
1254
1255 resp = (OCSP_RESPONSE *)
1256 app_http_post_asn1(host, port, path, proxy, no_proxy,
1257 ctx, headers, "application/ocsp-request",
1258 (ASN1_VALUE *)req, ASN1_ITEM_rptr(OCSP_REQUEST),
1259 "application/ocsp-response",
1260 req_timeout, ASN1_ITEM_rptr(OCSP_RESPONSE));
1261
1262 if (resp == NULL)
1263 BIO_printf(bio_err, "Error querying OCSP responder\n");
1264
1265 end:
1266 SSL_CTX_free(ctx);
1267 return resp;
1268 }
1269 #endif
1270