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RT3856: Fix memory leaks in test code
[thirdparty/openssl.git] / apps / ocsp.c
CommitLineData
0f113f3e
MC		 1/*
2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
3 * 2000.
5782ceb2
DSH		 4 */
5/* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
0f113f3e 13 * notice, this list of conditions and the following disclaimer.
5782ceb2
DSH		 14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
85d686e7 58#ifndef OPENSSL_NO_OCSP
5782ceb2 59
0f113f3e
MC		 60# ifdef OPENSSL_SYS_VMS
61# define _XOPEN_SOURCE_EXTENDED/* So fd_set and friends get properly defined
62 * on OpenVMS */
63# endif
64
65# define USE_SOCKETS
66
67# include <stdio.h>
68# include <stdlib.h>
69# include <string.h>
70# include <time.h>
98cd49db 71# include <ctype.h>
0f113f3e
MC		 72# include "apps.h" /* needs to be included before the openssl
73 * headers! */
74# include <openssl/e_os2.h>
75# include <openssl/crypto.h>
76# include <openssl/err.h>
77# include <openssl/ssl.h>
78# include <openssl/evp.h>
79# include <openssl/bn.h>
80# include <openssl/x509v3.h>
81
82# if defined(NETWARE_CLIB)
eef0c1f3 83# ifdef NETWARE_BSDSOCK
0f113f3e
MC		 84# include <sys/socket.h>
85# include <sys/bsdskt.h>
eef0c1f3 86# else
0f113f3e 87# include <novsock2.h>
eef0c1f3 88# endif
0f113f3e 89# elif defined(NETWARE_LIBC)
eef0c1f3 90# ifdef NETWARE_BSDSOCK
0f113f3e 91# include <sys/select.h>
eef0c1f3 92# else
0f113f3e 93# include <novsock2.h>
eef0c1f3 94# endif
0f113f3e 95# endif
f1965221 96
0f113f3e 97/* Maximum leeway in validity period: default 5 minutes */
7e1b7485 98# define MAX_VALIDITY_PERIOD (5 * 60)
0f113f3e
MC		 99
100static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
101 const EVP_MD *cert_id_md, X509 *issuer,
102 STACK_OF(OCSP_CERTID) *ids);
103static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
104 const EVP_MD *cert_id_md, X509 *issuer,
105 STACK_OF(OCSP_CERTID) *ids);
7e1b7485 106static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
0f113f3e
MC		 107 STACK_OF(OPENSSL_STRING) *names,
108 STACK_OF(OCSP_CERTID) *ids, long nsec,
109 long maxage);
7e1b7485 110static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
0f113f3e
MC		 111 CA_DB *db, X509 *ca, X509 *rcert,
112 EVP_PKEY *rkey, const EVP_MD *md,
113 STACK_OF(X509) *rother, unsigned long flags,
114 int nmin, int ndays, int badsig);
ee306a13 115
f85b68cd 116static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
c45a48c1 117static BIO *init_responder(const char *port);
0f113f3e
MC		 118static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
119 const char *port);
ee306a13 120static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
7e1b7485 121static OCSP_RESPONSE *query_responder(BIO *cbio, const char *path,
0f113f3e
MC		 122 const STACK_OF(CONF_VALUE) *headers,
123 OCSP_REQUEST *req, int req_timeout);
ee306a13 124
7e1b7485
RS		 125typedef enum OPTION_choice {
126 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
127 OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT,
128 OPT_IGNORE_ERR, OPT_NOVERIFY, OPT_NONCE, OPT_NO_NONCE,
129 OPT_RESP_NO_CERTS, OPT_RESP_KEY_ID, OPT_NO_CERTS,
130 OPT_NO_SIGNATURE_VERIFY, OPT_NO_CERT_VERIFY, OPT_NO_CHAIN,
131 OPT_NO_CERT_CHECKS, OPT_NO_EXPLICIT, OPT_TRUST_OTHER,
132 OPT_NO_INTERN, OPT_BADSIG, OPT_TEXT, OPT_REQ_TEXT, OPT_RESP_TEXT,
133 OPT_REQIN, OPT_RESPIN, OPT_SIGNER, OPT_VAFILE, OPT_SIGN_OTHER,
134 OPT_VERIFY_OTHER, OPT_CAFILE, OPT_CAPATH,
135 OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT,
c6724060 136 OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL,
7e1b7485
RS		 137 OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER,
138 OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_HEADER,
139 OPT_V_ENUM,
140 OPT_MD
141} OPTION_CHOICE;
142
143OPTIONS ocsp_options[] = {
144 {"help", OPT_HELP, '-', "Display this summary"},
145 {"out", OPT_OUTFILE, '>', "Output filename"},
146 {"timeout", OPT_TIMEOUT, 'p'},
147 {"url", OPT_URL, 's', "Responder URL"},
148 {"host", OPT_HOST, 's', "host:prot top to connect to"},
149 {"port", OPT_PORT, 'p', "Port to run responder on"},
150 {"ignore_err", OPT_IGNORE_ERR, '-'},
151 {"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"},
152 {"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"},
153 {"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"},
154 {"resp_no_certs", OPT_RESP_NO_CERTS, '-',
155 "Don't include any certificates in response"},
156 {"resp_key_id", OPT_RESP_KEY_ID, '-',
157 "Identify reponse by signing certificate key ID"},
158 {"no_certs", OPT_NO_CERTS, '-',
159 "Don't include any certificates in signed request"},
160 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-',
161 "Don't check signature on response"},
162 {"no_cert_verify", OPT_NO_CERT_VERIFY, '-',
163 "Don't check signing certificate"},
164 {"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"},
165 {"no_cert_checks", OPT_NO_CERT_CHECKS, '-',
166 "Don't do additional checks on signing certificate"},
167 {"no_explicit", OPT_NO_EXPLICIT, '-'},
168 {"trust_other", OPT_TRUST_OTHER, '-',
169 "Don't verify additional certificates"},
170 {"no_intern", OPT_NO_INTERN, '-',
171 "Don't search certificates contained in response for signer"},
172 {"badsig", OPT_BADSIG, '-'},
173 {"text", OPT_TEXT, '-', "Print text form of request and response"},
174 {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"},
175 {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"},
176 {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"},
177 {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"},
178 {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"},
179 {"VAfile", OPT_VAFILE, '<', "Validator certificates file"},
180 {"sign_other", OPT_SIGN_OTHER, '<',
181 "Additional certificates to include in signed request"},
182 {"verify_other", OPT_VERIFY_OTHER, '<',
183 "Additional certificates to search for signer"},
184 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
185 {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"},
186 {"validity_period", OPT_VALIDITY_PERIOD, 'u',
187 "Maximum validity discrepancy in seconds"},
188 {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"},
189 {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"},
190 {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"},
191 {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"},
192 {"path", OPT_PATH, 's', "Path to use in OCSP request"},
c6724060 193 {"issuer", OPT_ISSUER, '<', "Issuer certificate"},
7e1b7485
RS		 194 {"cert", OPT_CERT, '<', "Certificate to check"},
195 {"serial", OPT_SERIAL, 's', "Nerial number to check"},
196 {"index", OPT_INDEX, '<', "Certificate status index file"},
197 {"CA", OPT_CA, '<', "CA certificate"},
198 {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"},
199 {"nrequest", OPT_REQUEST, 'p',
200 "Number of requests to accept (default unlimited)"},
201 {"ndays", OPT_NDAYS, 'p', "Number of days before next update"},
202 {"rsigner", OPT_RSIGNER, '<',
203 "Sesponder certificate to sign responses with"},
204 {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"},
205 {"rother", OPT_ROTHER, '<', "Other certificates to include in response"},
206 {"rmd", OPT_RMD, 's'},
207 {"header", OPT_HEADER, 's', "key=value header to add"},
208 {"", OPT_MD, '-', "Any supported digest"},
209 OPT_V_OPTIONS,
210 {NULL}
211};
212
213int ocsp_main(int argc, char **argv)
0f113f3e 214{
7e1b7485
RS		 215 BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
216 const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
217 CA_DB *rdb = NULL;
218 EVP_PKEY *key = NULL, *rkey = NULL;
219 OCSP_BASICRESP *bs = NULL;
0f113f3e
MC		 220 OCSP_REQUEST *req = NULL;
221 OCSP_RESPONSE *resp = NULL;
7e1b7485
RS		 222 STACK_OF(CONF_VALUE) *headers = NULL;
223 STACK_OF(OCSP_CERTID) *ids = NULL;
224 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
225 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
88806cfc 226 STACK_OF(X509) *issuers = NULL;
7e1b7485 227 X509 *issuer = NULL, *cert = NULL, *rca_cert = NULL;
0f113f3e 228 X509 *signer = NULL, *rsigner = NULL;
0f113f3e
MC		 229 X509_STORE *store = NULL;
230 X509_VERIFY_PARAM *vpm = NULL;
7e1b7485
RS		 231 char *CAfile = NULL, *CApath = NULL, *header, *value;
232 char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
233 char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
234 char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
235 char *rsignfile = NULL, *rkeyfile = NULL;
0f113f3e 236 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
7e1b7485
RS		 237 char *signfile = NULL, *keyfile = NULL;
238 char *thost = NULL, *tport = NULL, *tpath = NULL;
239 int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
240 int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
241 int req_text = 0, resp_text = 0, req_timeout = -1, ret = 1;
242 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
0f113f3e 243 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
7e1b7485
RS		 244 OPTION_CHOICE o;
245 char *prog;
0f113f3e 246
0f113f3e 247 reqnames = sk_OPENSSL_STRING_new_null();
7e1b7485
RS		 248 if (!reqnames)
249 goto end;
0f113f3e 250 ids = sk_OCSP_CERTID_new_null();
7e1b7485
RS		 251 if (!ids)
252 goto end;
253 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
254 return 1;
255
256 prog = opt_init(argc, argv, ocsp_options);
257 while ((o = opt_next()) != OPT_EOF) {
258 switch (o) {
259 case OPT_EOF:
260 case OPT_ERR:
261 opthelp:
262 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
263 goto end;
264 case OPT_HELP:
265 ret = 0;
266 opt_help(ocsp_options);
267 goto end;
268 case OPT_OUTFILE:
269 outfile = opt_arg();
270 break;
271 case OPT_TIMEOUT:
272 req_timeout = atoi(opt_arg());
273 break;
274 case OPT_URL:
b548a1f1
RS		 275 OPENSSL_free(thost);
276 OPENSSL_free(tport);
277 OPENSSL_free(tpath);
7e1b7485
RS		 278 if (!OCSP_parse_url(opt_arg(), &host, &port, &path, &use_ssl)) {
279 BIO_printf(bio_err, "%s Error parsing URL\n", prog);
280 goto end;
281 }
282 thost = host;
283 tport = port;
284 tpath = path;
285 break;
286 case OPT_HOST:
287 host = opt_arg();
288 break;
289 case OPT_PORT:
290 port = opt_arg();
291 break;
292 case OPT_IGNORE_ERR:
0f113f3e 293 ignore_err = 1;
7e1b7485
RS		 294 break;
295 case OPT_NOVERIFY:
0f113f3e 296 noverify = 1;
7e1b7485
RS		 297 break;
298 case OPT_NONCE:
0f113f3e 299 add_nonce = 2;
7e1b7485
RS		 300 break;
301 case OPT_NO_NONCE:
0f113f3e 302 add_nonce = 0;
7e1b7485
RS		 303 break;
304 case OPT_RESP_NO_CERTS:
0f113f3e 305 rflags |= OCSP_NOCERTS;
7e1b7485
RS		 306 break;
307 case OPT_RESP_KEY_ID:
0f113f3e 308 rflags |= OCSP_RESPID_KEY;
7e1b7485
RS		 309 break;
310 case OPT_NO_CERTS:
0f113f3e 311 sign_flags |= OCSP_NOCERTS;
7e1b7485
RS		 312 break;
313 case OPT_NO_SIGNATURE_VERIFY:
0f113f3e 314 verify_flags |= OCSP_NOSIGS;
7e1b7485
RS		 315 break;
316 case OPT_NO_CERT_VERIFY:
0f113f3e 317 verify_flags |= OCSP_NOVERIFY;
7e1b7485
RS		 318 break;
319 case OPT_NO_CHAIN:
0f113f3e 320 verify_flags |= OCSP_NOCHAIN;
7e1b7485
RS		 321 break;
322 case OPT_NO_CERT_CHECKS:
0f113f3e 323 verify_flags |= OCSP_NOCHECKS;
7e1b7485
RS		 324 break;
325 case OPT_NO_EXPLICIT:
0f113f3e 326 verify_flags |= OCSP_NOEXPLICIT;
7e1b7485
RS		 327 break;
328 case OPT_TRUST_OTHER:
0f113f3e 329 verify_flags |= OCSP_TRUSTOTHER;
7e1b7485
RS		 330 break;
331 case OPT_NO_INTERN:
0f113f3e 332 verify_flags |= OCSP_NOINTERN;
7e1b7485
RS		 333 break;
334 case OPT_BADSIG:
0f113f3e 335 badsig = 1;
7e1b7485
RS		 336 break;
337 case OPT_TEXT:
338 req_text = resp_text = 1;
339 break;
340 case OPT_REQ_TEXT:
0f113f3e 341 req_text = 1;
7e1b7485
RS		 342 break;
343 case OPT_RESP_TEXT:
0f113f3e 344 resp_text = 1;
7e1b7485
RS		 345 break;
346 case OPT_REQIN:
347 reqin = opt_arg();
348 break;
349 case OPT_RESPIN:
350 respin = opt_arg();
351 break;
352 case OPT_SIGNER:
353 signfile = opt_arg();
354 break;
355 case OPT_VAFILE:
356 verify_certfile = opt_arg();
357 verify_flags |= OCSP_TRUSTOTHER;
358 break;
359 case OPT_SIGN_OTHER:
360 sign_certfile = opt_arg();
361 break;
362 case OPT_VERIFY_OTHER:
363 verify_certfile = opt_arg();
364 break;
365 case OPT_CAFILE:
366 CAfile = opt_arg();
367 break;
368 case OPT_CAPATH:
369 CApath = opt_arg();
370 break;
371 case OPT_V_CASES:
372 if (!opt_verify(o, vpm))
0f113f3e 373 goto end;
7e1b7485
RS		 374 vpmtouched++;
375 break;
376 case OPT_VALIDITY_PERIOD:
377 opt_long(opt_arg(), &nsec);
378 break;
379 case OPT_STATUS_AGE:
380 opt_long(opt_arg(), &maxage);
381 break;
382 case OPT_SIGNKEY:
383 keyfile = opt_arg();
384 break;
385 case OPT_REQOUT:
386 reqout = opt_arg();
387 break;
388 case OPT_RESPOUT:
389 respout = opt_arg();
390 break;
391 case OPT_PATH:
392 path = opt_arg();
393 break;
c6724060
RS		 394 case OPT_ISSUER:
395 X509_free(issuer);
396 issuer = load_cert(opt_arg(), FORMAT_PEM,
397 NULL, NULL, "issuer certificate");
398 if (issuer == NULL)
399 goto end;
400 if ((issuers = sk_X509_new_null()) == NULL)
401 goto end;
402 sk_X509_push(issuers, issuer);
403 break;
7e1b7485
RS		 404 case OPT_CERT:
405 X509_free(cert);
406 cert = load_cert(opt_arg(), FORMAT_PEM,
407 NULL, NULL, "certificate");
408 if (cert == NULL)
409 goto end;
410 if (cert_id_md == NULL)
411 cert_id_md = EVP_sha1();
412 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
413 goto end;
414 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
415 goto end;
416 break;
417 case OPT_SERIAL:
418 if (cert_id_md == NULL)
419 cert_id_md = EVP_sha1();
420 if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
421 goto end;
422 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
423 goto end;
424 break;
425 case OPT_INDEX:
426 ridx_filename = opt_arg();
427 break;
428 case OPT_CA:
429 rca_filename = opt_arg();
430 break;
431 case OPT_NMIN:
432 opt_int(opt_arg(), &nmin);
0f113f3e
MC		 433 if (ndays == -1)
434 ndays = 0;
7e1b7485
RS		 435 break;
436 case OPT_REQUEST:
437 opt_int(opt_arg(), &accept_count);
438 break;
439 case OPT_NDAYS:
440 ndays = atoi(opt_arg());
441 break;
442 case OPT_RSIGNER:
443 rsignfile = opt_arg();
444 break;
445 case OPT_RKEY:
446 rkeyfile = opt_arg();
447 break;
448 case OPT_ROTHER:
449 rcertfile = opt_arg();
450 break;
451 case OPT_RMD:
452 if (!opt_md(opt_arg(), &rsign_md))
453 goto end;
454 break;
455 case OPT_HEADER:
456 header = opt_arg();
457 value = strchr(header, '=');
458 if (value == NULL) {
459 BIO_printf(bio_err, "Missing = in header key=value\n");
460 goto opthelp;
461 }
462 *value++ = '\0';
463 if (!X509V3_add_value(header, value, &headers))
464 goto end;
465 break;
466 case OPT_MD:
467 if (cert_id_md != NULL) {
468 BIO_printf(bio_err,
469 "%s: Digest must be before -cert or -serial\n",
470 prog);
471 goto opthelp;
472 }
473 if (!opt_md(opt_unknown(), &cert_id_md))
474 goto opthelp;
475 break;
0f113f3e 476 }
0f113f3e 477 }
7e1b7485
RS		 478 argc = opt_num_rest();
479 argv = opt_rest();
0f113f3e
MC		 480
481 /* Have we anything to do? */
482 if (!req && !reqin && !respin && !(port && ridx_filename))
7e1b7485 483 goto opthelp;
0f113f3e 484
296f54ee
RL		 485 if (!app_load_modules(NULL))
486 goto end;
487
7e1b7485
RS		 488 out = bio_open_default(outfile, "w");
489 if (out == NULL)
0f113f3e 490 goto end;
0f113f3e
MC		 491
492 if (!req && (add_nonce != 2))
493 add_nonce = 0;
494
495 if (!req && reqin) {
7e1b7485
RS		 496 derbio = bio_open_default(reqin, "rb");
497 if (derbio == NULL)
0f113f3e 498 goto end;
0f113f3e
MC		 499 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
500 BIO_free(derbio);
501 if (!req) {
502 BIO_printf(bio_err, "Error reading OCSP request\n");
503 goto end;
504 }
505 }
506
507 if (!req && port) {
508 acbio = init_responder(port);
509 if (!acbio)
510 goto end;
511 }
512
513 if (rsignfile && !rdb) {
514 if (!rkeyfile)
515 rkeyfile = rsignfile;
7e1b7485
RS		 516 rsigner = load_cert(rsignfile, FORMAT_PEM,
517 NULL, NULL, "responder certificate");
0f113f3e
MC		 518 if (!rsigner) {
519 BIO_printf(bio_err, "Error loading responder certificate\n");
520 goto end;
521 }
7e1b7485
RS		 522 rca_cert = load_cert(rca_filename, FORMAT_PEM,
523 NULL, NULL, "CA certificate");
0f113f3e 524 if (rcertfile) {
7e1b7485
RS		 525 rother = load_certs(rcertfile, FORMAT_PEM,
526 NULL, NULL, "responder other certificates");
0f113f3e
MC		 527 if (!rother)
528 goto end;
529 }
7e1b7485 530 rkey = load_key(rkeyfile, FORMAT_PEM, 0, NULL, NULL,
0f113f3e
MC		 531 "responder private key");
532 if (!rkey)
533 goto end;
534 }
535 if (acbio)
536 BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
537
538 redo_accept:
539
540 if (acbio) {
541 if (!do_responder(&req, &cbio, acbio, port))
542 goto end;
543 if (!req) {
544 resp =
545 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
546 NULL);
547 send_ocsp_response(cbio, resp);
548 goto done_resp;
549 }
550 }
551
552 if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) {
553 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
554 goto end;
555 }
556
557 if (req && add_nonce)
558 OCSP_request_add1_nonce(req, NULL, -1);
559
560 if (signfile) {
561 if (!keyfile)
562 keyfile = signfile;
7e1b7485
RS		 563 signer = load_cert(signfile, FORMAT_PEM,
564 NULL, NULL, "signer certificate");
0f113f3e
MC		 565 if (!signer) {
566 BIO_printf(bio_err, "Error loading signer certificate\n");
567 goto end;
568 }
569 if (sign_certfile) {
7e1b7485
RS		 570 sign_other = load_certs(sign_certfile, FORMAT_PEM,
571 NULL, NULL, "signer certificates");
0f113f3e
MC		 572 if (!sign_other)
573 goto end;
574 }
7e1b7485 575 key = load_key(keyfile, FORMAT_PEM, 0, NULL, NULL,
0f113f3e
MC		 576 "signer private key");
577 if (!key)
578 goto end;
579
580 if (!OCSP_request_sign
581 (req, signer, key, NULL, sign_other, sign_flags)) {
582 BIO_printf(bio_err, "Error signing OCSP request\n");
583 goto end;
584 }
585 }
586
587 if (req_text && req)
588 OCSP_REQUEST_print(out, req, 0);
589
590 if (reqout) {
7e1b7485
RS		 591 derbio = bio_open_default(reqout, "wb");
592 if (derbio == NULL)
0f113f3e 593 goto end;
0f113f3e
MC		 594 i2d_OCSP_REQUEST_bio(derbio, req);
595 BIO_free(derbio);
596 }
597
598 if (ridx_filename && (!rkey || !rsigner || !rca_cert)) {
599 BIO_printf(bio_err,
600 "Need a responder certificate, key and CA for this operation!\n");
601 goto end;
602 }
603
604 if (ridx_filename && !rdb) {
605 rdb = load_index(ridx_filename, NULL);
606 if (!rdb)
607 goto end;
608 if (!index_index(rdb))
609 goto end;
610 }
611
612 if (rdb) {
7e1b7485 613 make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey,
0f113f3e
MC		 614 rsign_md, rother, rflags, nmin, ndays, badsig);
615 if (cbio)
616 send_ocsp_response(cbio, resp);
617 } else if (host) {
618# ifndef OPENSSL_NO_SOCK
7e1b7485 619 resp = process_responder(req, host, path,
0f113f3e
MC		 620 port, use_ssl, headers, req_timeout);
621 if (!resp)
622 goto end;
623# else
624 BIO_printf(bio_err,
625 "Error creating connect BIO - sockets not supported.\n");
626 goto end;
627# endif
628 } else if (respin) {
7e1b7485
RS		 629 derbio = bio_open_default(respin, "rb");
630 if (derbio == NULL)
0f113f3e 631 goto end;
0f113f3e
MC		 632 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
633 BIO_free(derbio);
634 if (!resp) {
635 BIO_printf(bio_err, "Error reading OCSP response\n");
636 goto end;
637 }
0f113f3e
MC		 638 } else {
639 ret = 0;
640 goto end;
641 }
642
643 done_resp:
644
645 if (respout) {
7e1b7485
RS		 646 derbio = bio_open_default(respout, "wb");
647 if (derbio == NULL)
0f113f3e 648 goto end;
0f113f3e
MC		 649 i2d_OCSP_RESPONSE_bio(derbio, resp);
650 BIO_free(derbio);
651 }
652
653 i = OCSP_response_status(resp);
0f113f3e
MC		 654 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
655 BIO_printf(out, "Responder Error: %s (%d)\n",
656 OCSP_response_status_str(i), i);
657 if (ignore_err)
658 goto redo_accept;
659 ret = 0;
660 goto end;
661 }
662
663 if (resp_text)
664 OCSP_RESPONSE_print(out, resp, 0);
665
666 /* If running as responder don't verify our own response */
667 if (cbio) {
7e1b7485
RS		 668 if (--accept_count <= 0) {
669 ret = 0;
670 goto end;
0f113f3e 671 }
7e1b7485
RS		 672 BIO_free_all(cbio);
673 cbio = NULL;
674 OCSP_REQUEST_free(req);
675 req = NULL;
676 OCSP_RESPONSE_free(resp);
677 resp = NULL;
678 goto redo_accept;
679 }
680 if (ridx_filename) {
0f113f3e
MC		 681 ret = 0;
682 goto end;
683 }
684
7e1b7485
RS		 685 if (!store) {
686 store = setup_verify(CAfile, CApath);
687 if (!store)
688 goto end;
689 }
690 if (vpmtouched)
0f113f3e
MC		 691 X509_STORE_set1_param(store, vpm);
692 if (verify_certfile) {
7e1b7485
RS		 693 verify_other = load_certs(verify_certfile, FORMAT_PEM,
694 NULL, NULL, "validator certificate");
0f113f3e
MC		 695 if (!verify_other)
696 goto end;
697 }
698
699 bs = OCSP_response_get1_basic(resp);
0f113f3e
MC		 700 if (!bs) {
701 BIO_printf(bio_err, "Error parsing response\n");
702 goto end;
703 }
704
705 ret = 0;
706
707 if (!noverify) {
708 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
709 if (i == -1)
710 BIO_printf(bio_err, "WARNING: no nonce in response\n");
711 else {
712 BIO_printf(bio_err, "Nonce Verify error\n");
713 ret = 1;
714 goto end;
715 }
716 }
717
718 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
c6724060
RS		 719 if (i <= 0 && issuers) {
720 i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
721 if (i > 0)
722 ERR_clear_error();
723 }
0f113f3e
MC		 724 if (i <= 0) {
725 BIO_printf(bio_err, "Response Verify Failure\n");
726 ERR_print_errors(bio_err);
727 ret = 1;
728 } else
729 BIO_printf(bio_err, "Response verify OK\n");
730
731 }
732
7e1b7485 733 print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage);
0f113f3e
MC		 734
735 end:
736 ERR_print_errors(bio_err);
737 X509_free(signer);
738 X509_STORE_free(store);
222561fe 739 X509_VERIFY_PARAM_free(vpm);
0f113f3e
MC		 740 EVP_PKEY_free(key);
741 EVP_PKEY_free(rkey);
0f113f3e
MC		 742 X509_free(cert);
743 X509_free(rsigner);
744 X509_free(rca_cert);
745 free_index(rdb);
746 BIO_free_all(cbio);
747 BIO_free_all(acbio);
748 BIO_free(out);
749 OCSP_REQUEST_free(req);
750 OCSP_RESPONSE_free(resp);
751 OCSP_BASICRESP_free(bs);
752 sk_OPENSSL_STRING_free(reqnames);
753 sk_OCSP_CERTID_free(ids);
754 sk_X509_pop_free(sign_other, X509_free);
755 sk_X509_pop_free(verify_other, X509_free);
756 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
b548a1f1
RS		 757 OPENSSL_free(thost);
758 OPENSSL_free(tport);
759 OPENSSL_free(tpath);
0f113f3e 760
7e1b7485 761 return (ret);
5782ceb2
DSH		 762}
763
0f113f3e
MC		 764static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
765 const EVP_MD *cert_id_md, X509 *issuer,
766 STACK_OF(OCSP_CERTID) *ids)
767{
768 OCSP_CERTID *id;
769 if (!issuer) {
770 BIO_printf(bio_err, "No issuer certificate specified\n");
771 return 0;
772 }
773 if (!*req)
774 *req = OCSP_REQUEST_new();
775 if (!*req)
776 goto err;
777 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
778 if (!id || !sk_OCSP_CERTID_push(ids, id))
779 goto err;
780 if (!OCSP_request_add0_id(*req, id))
781 goto err;
782 return 1;
783
784 err:
785 BIO_printf(bio_err, "Error Creating OCSP request\n");
786 return 0;
787}
788
789static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
790 const EVP_MD *cert_id_md, X509 *issuer,
791 STACK_OF(OCSP_CERTID) *ids)
792{
793 OCSP_CERTID *id;
794 X509_NAME *iname;
795 ASN1_BIT_STRING *ikey;
796 ASN1_INTEGER *sno;
797 if (!issuer) {
798 BIO_printf(bio_err, "No issuer certificate specified\n");
799 return 0;
800 }
801 if (!*req)
802 *req = OCSP_REQUEST_new();
803 if (!*req)
804 goto err;
805 iname = X509_get_subject_name(issuer);
806 ikey = X509_get0_pubkey_bitstr(issuer);
807 sno = s2i_ASN1_INTEGER(NULL, serial);
808 if (!sno) {
809 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
810 return 0;
811 }
812 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
813 ASN1_INTEGER_free(sno);
814 if (!id || !sk_OCSP_CERTID_push(ids, id))
815 goto err;
816 if (!OCSP_request_add0_id(*req, id))
817 goto err;
818 return 1;
819
820 err:
821 BIO_printf(bio_err, "Error Creating OCSP request\n");
822 return 0;
823}
73758d43 824
7e1b7485 825static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
0f113f3e
MC		 826 STACK_OF(OPENSSL_STRING) *names,
827 STACK_OF(OCSP_CERTID) *ids, long nsec,
828 long maxage)
829{
830 OCSP_CERTID *id;
831 char *name;
7e1b7485 832 int i, status, reason;
0f113f3e
MC		 833 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
834
835 if (!bs || !req || !sk_OPENSSL_STRING_num(names)
836 || !sk_OCSP_CERTID_num(ids))
7e1b7485 837 return;
0f113f3e
MC		 838
839 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
840 id = sk_OCSP_CERTID_value(ids, i);
841 name = sk_OPENSSL_STRING_value(names, i);
842 BIO_printf(out, "%s: ", name);
843
844 if (!OCSP_resp_find_status(bs, id, &status, &reason,
845 &rev, &thisupd, &nextupd)) {
846 BIO_puts(out, "ERROR: No Status found.\n");
847 continue;
848 }
849
850 /*
851 * Check validity: if invalid write to output BIO so we know which
852 * response this refers to.
853 */
854 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
855 BIO_puts(out, "WARNING: Status times invalid.\n");
856 ERR_print_errors(out);
857 }
858 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
859
860 BIO_puts(out, "\tThis Update: ");
861 ASN1_GENERALIZEDTIME_print(out, thisupd);
862 BIO_puts(out, "\n");
863
864 if (nextupd) {
865 BIO_puts(out, "\tNext Update: ");
866 ASN1_GENERALIZEDTIME_print(out, nextupd);
867 BIO_puts(out, "\n");
868 }
869
870 if (status != V_OCSP_CERTSTATUS_REVOKED)
871 continue;
872
873 if (reason != -1)
874 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
875
876 BIO_puts(out, "\tRevocation Time: ");
877 ASN1_GENERALIZEDTIME_print(out, rev);
878 BIO_puts(out, "\n");
879 }
0f113f3e
MC		 880}
881
7e1b7485 882static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
0f113f3e
MC		 883 CA_DB *db, X509 *ca, X509 *rcert,
884 EVP_PKEY *rkey, const EVP_MD *rmd,
885 STACK_OF(X509) *rother, unsigned long flags,
886 int nmin, int ndays, int badsig)
887{
888 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
889 OCSP_CERTID *cid, *ca_id = NULL;
890 OCSP_BASICRESP *bs = NULL;
7e1b7485 891 int i, id_count;
0f113f3e
MC		 892
893 id_count = OCSP_request_onereq_count(req);
894
895 if (id_count <= 0) {
896 *resp =
897 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
898 goto end;
899 }
900
901 bs = OCSP_BASICRESP_new();
902 thisupd = X509_gmtime_adj(NULL, 0);
903 if (ndays != -1)
904 nextupd = X509_gmtime_adj(NULL, nmin * 60 + ndays * 3600 * 24);
905
906 /* Examine each certificate id in the request */
907 for (i = 0; i < id_count; i++) {
908 OCSP_ONEREQ *one;
909 ASN1_INTEGER *serial;
910 char **inf;
911 ASN1_OBJECT *cert_id_md_oid;
912 const EVP_MD *cert_id_md;
913 one = OCSP_request_onereq_get0(req, i);
914 cid = OCSP_onereq_get0_id(one);
915
916 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
917
918 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
919 if (!cert_id_md) {
920 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
921 NULL);
922 goto end;
923 }
25aaa98a 924 OCSP_CERTID_free(ca_id);
0f113f3e
MC		 925 ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca);
926
927 /* Is this request about our CA? */
928 if (OCSP_id_issuer_cmp(ca_id, cid)) {
929 OCSP_basic_add1_status(bs, cid,
930 V_OCSP_CERTSTATUS_UNKNOWN,
931 0, NULL, thisupd, nextupd);
932 continue;
933 }
934 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
935 inf = lookup_serial(db, serial);
936 if (!inf)
937 OCSP_basic_add1_status(bs, cid,
938 V_OCSP_CERTSTATUS_UNKNOWN,
939 0, NULL, thisupd, nextupd);
940 else if (inf[DB_type][0] == DB_TYPE_VAL)
941 OCSP_basic_add1_status(bs, cid,
942 V_OCSP_CERTSTATUS_GOOD,
943 0, NULL, thisupd, nextupd);
944 else if (inf[DB_type][0] == DB_TYPE_REV) {
945 ASN1_OBJECT *inst = NULL;
946 ASN1_TIME *revtm = NULL;
947 ASN1_GENERALIZEDTIME *invtm = NULL;
948 OCSP_SINGLERESP *single;
949 int reason = -1;
950 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
951 single = OCSP_basic_add1_status(bs, cid,
952 V_OCSP_CERTSTATUS_REVOKED,
953 reason, revtm, thisupd, nextupd);
954 if (invtm)
955 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
956 invtm, 0, 0);
957 else if (inst)
958 OCSP_SINGLERESP_add1_ext_i2d(single,
959 NID_hold_instruction_code, inst,
960 0, 0);
961 ASN1_OBJECT_free(inst);
962 ASN1_TIME_free(revtm);
963 ASN1_GENERALIZEDTIME_free(invtm);
964 }
965 }
966
967 OCSP_copy_nonce(bs, req);
968
969 OCSP_basic_sign(bs, rcert, rkey, rmd, rother, flags);
970
6ef869d7
DSH		 971 if (badsig) {
972 ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs);
7e1b7485 973 unsigned char *sigptr = ASN1_STRING_data(sig);
6ef869d7
DSH		 974 sigptr[ASN1_STRING_length(sig) - 1] ^= 0x1;
975 }
0f113f3e
MC		 976
977 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
978
979 end:
980 ASN1_TIME_free(thisupd);
981 ASN1_TIME_free(nextupd);
982 OCSP_CERTID_free(ca_id);
983 OCSP_BASICRESP_free(bs);
0f113f3e 984}
ee306a13 985
f85b68cd 986static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
0f113f3e
MC		 987{
988 int i;
989 BIGNUM *bn = NULL;
990 char *itmp, *row[DB_NUMBER], **rrow;
991 for (i = 0; i < DB_NUMBER; i++)
992 row[i] = NULL;
993 bn = ASN1_INTEGER_to_BN(ser, NULL);
994 OPENSSL_assert(bn); /* FIXME: should report an error at this
995 * point and abort */
996 if (BN_is_zero(bn))
997 itmp = BUF_strdup("00");
998 else
999 itmp = BN_bn2hex(bn);
1000 row[DB_serial] = itmp;
1001 BN_free(bn);
1002 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
1003 OPENSSL_free(itmp);
1004 return rrow;
1005}
ee306a13
DSH		 1006
1007/* Quick and dirty OCSP server: read in and parse input request */
1008
c45a48c1 1009static BIO *init_responder(const char *port)
0f113f3e
MC		 1010{
1011 BIO *acbio = NULL, *bufbio = NULL;
7e1b7485 1012
366e2a60 1013# ifdef OPENSSL_NO_SOCK
0f113f3e
MC		 1014 BIO_printf(bio_err,
1015 "Error setting up accept BIO - sockets not supported.\n");
366e2a60 1016 return NULL;
0f113f3e 1017# endif
366e2a60
RS		 1018 bufbio = BIO_new(BIO_f_buffer());
1019 if (!bufbio)
0f113f3e 1020 goto err;
366e2a60
RS		 1021 acbio = BIO_new(BIO_s_accept());
1022 if (acbio == NULL
1023 || BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR) < 0
1024 || BIO_set_accept_port(acbio, port) < 0) {
1025 BIO_printf(bio_err, "Error setting up accept BIO\n");
1026 ERR_print_errors(bio_err);
1027 goto err;
1028 }
1029
0f113f3e
MC		 1030 BIO_set_accept_bios(acbio, bufbio);
1031 bufbio = NULL;
0f113f3e 1032 if (BIO_do_accept(acbio) <= 0) {
366e2a60 1033 BIO_printf(bio_err, "Error starting accept\n");
0f113f3e
MC		 1034 ERR_print_errors(bio_err);
1035 goto err;
1036 }
1037
1038 return acbio;
1039
1040 err:
1041 BIO_free_all(acbio);
1042 BIO_free(bufbio);
1043 return NULL;
1044}
ee306a13 1045
995101d6 1046
fc3cec53
RS		 1047/*
1048 * Decode %xx URL-decoding in-place. Ignores mal-formed sequences.
1049 */
1050static int urldecode(char *p)
995101d6
RS		 1051{
1052 unsigned char *out = (unsigned char *)p;
fc3cec53 1053 unsigned char *save = out;
995101d6
RS		 1054
1055 for (; *p; p++) {
1056 if (*p != '%')
1057 *out++ = *p;
fc3cec53 1058 else if (isxdigit(p[1]) && isxdigit(p[2])) {
995101d6
RS		 1059 *out++ = (app_hex(p[1]) << 4) | app_hex(p[2]);
1060 p += 2;
1061 }
fc3cec53
RS		 1062 else
1063 return -1;
995101d6 1064 }
fc3cec53
RS		 1065 *out = '\0';
1066 return (int)(out - save);
995101d6
RS		 1067}
1068
c45a48c1 1069static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
0f113f3e
MC		 1070 const char *port)
1071{
7e1b7485 1072 int len;
0f113f3e 1073 OCSP_REQUEST *req = NULL;
fc3cec53 1074 char inbuf[2048], reqbuf[2048];
995101d6
RS		 1075 char *p, *q;
1076 BIO *cbio = NULL, *getbio = NULL, *b64 = NULL;
0f113f3e
MC		 1077
1078 if (BIO_do_accept(acbio) <= 0) {
1079 BIO_printf(bio_err, "Error accepting connection\n");
1080 ERR_print_errors(bio_err);
1081 return 0;
1082 }
1083
1084 cbio = BIO_pop(acbio);
1085 *pcbio = cbio;
1086
7e1b7485 1087 /* Read the request line. */
fc3cec53 1088 len = BIO_gets(cbio, reqbuf, sizeof reqbuf);
7e1b7485
RS		 1089 if (len <= 0)
1090 return 1;
fc3cec53 1091 if (strncmp(reqbuf, "GET ", 4) == 0) {
995101d6 1092 /* Expecting GET {sp} /URL {sp} HTTP/1.x */
fc3cec53 1093 for (p = reqbuf + 4; *p == ' '; ++p)
995101d6 1094 continue;
fc3cec53
RS		 1095 if (*p != '/') {
1096 BIO_printf(bio_err, "Invalid request -- bad URL\n");
1097 return 1;
995101d6 1098 }
fc3cec53
RS		 1099 p++;
1100
995101d6
RS		 1101 /* Splice off the HTTP version identifier. */
1102 for (q = p; *q; q++)
fc3cec53 1103 if (*q == ' ')
995101d6 1104 break;
fc3cec53
RS		 1105 if (strncmp(q, " HTTP/1.", 8) != 0) {
1106 BIO_printf(bio_err, "Invalid request -- bad HTTP vesion\n");
995101d6
RS		 1107 return 1;
1108 }
1109 *q = '\0';
fc3cec53
RS		 1110 len = urldecode(p);
1111 if (len <= 0) {
1112 BIO_printf(bio_err, "Invalid request -- bad URL encoding\n");
1113 return 1;
1114 }
1115 if ((getbio = BIO_new_mem_buf(p, len)) == NULL
1116 || (b64 = BIO_new(BIO_f_base64())) == NULL) {
1117 BIO_printf(bio_err, "Could not allocate memory\n");
1118 ERR_print_errors(bio_err);
1119 return 1;
1120 }
995101d6
RS		 1121 BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1122 getbio = BIO_push(b64, getbio);
fc3cec53
RS		 1123 } else if (strncmp(reqbuf, "POST ", 5) != 0) {
1124 BIO_printf(bio_err, "Invalid request -- bad HTTP verb\n");
7e1b7485
RS		 1125 return 1;
1126 }
fc3cec53
RS		 1127
1128 /* Read and skip past the headers. */
0f113f3e
MC		 1129 for (;;) {
1130 len = BIO_gets(cbio, inbuf, sizeof inbuf);
1131 if (len <= 0)
1132 return 1;
0f113f3e
MC		 1133 if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
1134 break;
1135 }
1136
1137 /* Try to read OCSP request */
995101d6
RS		 1138 if (getbio) {
1139 req = d2i_OCSP_REQUEST_bio(getbio, NULL);
1140 BIO_free_all(getbio);
1141 } else
1142 req = d2i_OCSP_REQUEST_bio(cbio, NULL);
0f113f3e
MC		 1143
1144 if (!req) {
1145 BIO_printf(bio_err, "Error parsing OCSP request\n");
1146 ERR_print_errors(bio_err);
1147 }
1148
1149 *preq = req;
1150
1151 return 1;
1152
1153}
ee306a13
DSH		 1154
1155static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
0f113f3e
MC		 1156{
1157 char http_resp[] =
1158 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1159 "Content-Length: %d\r\n\r\n";
1160 if (!cbio)
1161 return 0;
1162 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
1163 i2d_OCSP_RESPONSE_bio(cbio, resp);
1164 (void)BIO_flush(cbio);
1165 return 1;
1166}
ee306a13 1167
7e1b7485 1168static OCSP_RESPONSE *query_responder(BIO *cbio, const char *path,
0f113f3e
MC		 1169 const STACK_OF(CONF_VALUE) *headers,
1170 OCSP_REQUEST *req, int req_timeout)
1171{
1172 int fd;
1173 int rv;
1174 int i;
1175 OCSP_REQ_CTX *ctx = NULL;
1176 OCSP_RESPONSE *rsp = NULL;
1177 fd_set confds;
1178 struct timeval tv;
1179
1180 if (req_timeout != -1)
1181 BIO_set_nbio(cbio, 1);
1182
1183 rv = BIO_do_connect(cbio);
1184
1185 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) {
7e1b7485 1186 BIO_puts(bio_err, "Error connecting BIO\n");
0f113f3e
MC		 1187 return NULL;
1188 }
1189
1190 if (BIO_get_fd(cbio, &fd) <= 0) {
7e1b7485 1191 BIO_puts(bio_err, "Can't get connection fd\n");
0f113f3e
MC		 1192 goto err;
1193 }
1194
1195 if (req_timeout != -1 && rv <= 0) {
1196 FD_ZERO(&confds);
1197 openssl_fdset(fd, &confds);
1198 tv.tv_usec = 0;
1199 tv.tv_sec = req_timeout;
1200 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1201 if (rv == 0) {
7e1b7485 1202 BIO_puts(bio_err, "Timeout on connect\n");
0f113f3e
MC		 1203 return NULL;
1204 }
1205 }
1206
1207 ctx = OCSP_sendreq_new(cbio, path, NULL, -1);
1208 if (!ctx)
1209 return NULL;
1210
1211 for (i = 0; i < sk_CONF_VALUE_num(headers); i++) {
1212 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i);
1213 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value))
1214 goto err;
1215 }
1216
1217 if (!OCSP_REQ_CTX_set1_req(ctx, req))
1218 goto err;
1219
1220 for (;;) {
1221 rv = OCSP_sendreq_nbio(&rsp, ctx);
1222 if (rv != -1)
1223 break;
1224 if (req_timeout == -1)
1225 continue;
1226 FD_ZERO(&confds);
1227 openssl_fdset(fd, &confds);
1228 tv.tv_usec = 0;
1229 tv.tv_sec = req_timeout;
1230 if (BIO_should_read(cbio))
1231 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv);
1232 else if (BIO_should_write(cbio))
1233 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1234 else {
7e1b7485 1235 BIO_puts(bio_err, "Unexpected retry condition\n");
0f113f3e
MC		 1236 goto err;
1237 }
1238 if (rv == 0) {
7e1b7485 1239 BIO_puts(bio_err, "Timeout on request\n");
0f113f3e
MC		 1240 break;
1241 }
1242 if (rv == -1) {
7e1b7485 1243 BIO_puts(bio_err, "Select error\n");
0f113f3e
MC		 1244 break;
1245 }
1246
1247 }
1248 err:
895cba19 1249 OCSP_REQ_CTX_free(ctx);
0f113f3e
MC		 1250
1251 return rsp;
1252}
454dbbc5 1253
7e1b7485 1254OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,
0f113f3e
MC		 1255 const char *host, const char *path,
1256 const char *port, int use_ssl,
1257 const STACK_OF(CONF_VALUE) *headers,
1258 int req_timeout)
1259{
1260 BIO *cbio = NULL;
1261 SSL_CTX *ctx = NULL;
1262 OCSP_RESPONSE *resp = NULL;
1263 cbio = BIO_new_connect(host);
1264 if (!cbio) {
7e1b7485 1265 BIO_printf(bio_err, "Error creating connect BIO\n");
0f113f3e
MC		 1266 goto end;
1267 }
1268 if (port)
1269 BIO_set_conn_port(cbio, port);
1270 if (use_ssl == 1) {
1271 BIO *sbio;
13c9bb3e 1272 ctx = SSL_CTX_new(TLS_client_method());
0f113f3e 1273 if (ctx == NULL) {
7e1b7485 1274 BIO_printf(bio_err, "Error creating SSL context.\n");
0f113f3e
MC		 1275 goto end;
1276 }
1277 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
1278 sbio = BIO_new_ssl(ctx, 1);
1279 cbio = BIO_push(sbio, cbio);
1280 }
7e1b7485 1281 resp = query_responder(cbio, path, headers, req, req_timeout);
0f113f3e
MC		 1282 if (!resp)
1283 BIO_printf(bio_err, "Error querying OCSP responder\n");
1284 end:
ca3a82c3 1285 BIO_free_all(cbio);
62adbcee 1286 SSL_CTX_free(ctx);
0f113f3e
MC		 1287 return resp;
1288}
67c8e7f4 1289
85d686e7 1290#endif
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