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1 /* ocsp.c */ | |
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | |
3 * project 2000. | |
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 | |
13 * notice, this list of conditions and the following disclaimer. | |
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 */ | |
58 #ifndef OPENSSL_NO_OCSP | |
59 | |
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> | |
71 #include "apps.h" /* needs to be included before the openssl headers! */ | |
72 #include <openssl/e_os2.h> | |
73 #include <openssl/crypto.h> | |
74 #include <openssl/err.h> | |
75 #include <openssl/ssl.h> | |
76 #include <openssl/evp.h> | |
77 #include <openssl/bn.h> | |
78 #include <openssl/x509v3.h> | |
79 | |
80 #if defined(NETWARE_CLIB) | |
81 # ifdef NETWARE_BSDSOCK | |
82 # include <sys/socket.h> | |
83 # include <sys/bsdskt.h> | |
84 # else | |
85 # include <novsock2.h> | |
86 # endif | |
87 #elif defined(NETWARE_LIBC) | |
88 # ifdef NETWARE_BSDSOCK | |
89 # include <sys/select.h> | |
90 # else | |
91 # include <novsock2.h> | |
92 # endif | |
93 #endif | |
94 | |
95 /* Maximum leeway in validity period: default 5 minutes */ | |
96 #define MAX_VALIDITY_PERIOD (5 * 60) | |
97 | |
98 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_m
d, X509 *issuer, | |
99 STACK_OF(OCSP_CERTID) *ids); | |
100 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, const EVP_MD * cert
_id_md, X509 *issuer, | |
101 STACK_OF(OCSP_CERTID) *ids); | |
102 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, | |
103 STACK_OF(OPENSSL_STRING) *names, | |
104 STACK_OF(OCSP_CERTID) *ids, long nsec, | |
105 long maxage); | |
106 | |
107 static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db
, | |
108 X509 *ca, X509 *rcert, EVP_PKEY *rkey, | |
109 STACK_OF(X509) *rother, unsigned long flags, | |
110 int nmin, int ndays); | |
111 | |
112 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser); | |
113 static BIO *init_responder(char *port); | |
114 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port
); | |
115 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp); | |
116 static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, | |
117 STACK_OF(CONF_VALUE) *headers, | |
118 OCSP_REQUEST *req, int req_timeout); | |
119 | |
120 #undef PROG | |
121 #define PROG ocsp_main | |
122 | |
123 int MAIN(int, char **); | |
124 | |
125 int MAIN(int argc, char **argv) | |
126 { | |
127 ENGINE *e = NULL; | |
128 char **args; | |
129 char *host = NULL, *port = NULL, *path = "/"; | |
130 char *reqin = NULL, *respin = NULL; | |
131 char *reqout = NULL, *respout = NULL; | |
132 char *signfile = NULL, *keyfile = NULL; | |
133 char *rsignfile = NULL, *rkeyfile = NULL; | |
134 char *outfile = NULL; | |
135 int add_nonce = 1, noverify = 0, use_ssl = -1; | |
136 STACK_OF(CONF_VALUE) *headers = NULL; | |
137 OCSP_REQUEST *req = NULL; | |
138 OCSP_RESPONSE *resp = NULL; | |
139 OCSP_BASICRESP *bs = NULL; | |
140 X509 *issuer = NULL, *cert = NULL; | |
141 X509 *signer = NULL, *rsigner = NULL; | |
142 EVP_PKEY *key = NULL, *rkey = NULL; | |
143 BIO *acbio = NULL, *cbio = NULL; | |
144 BIO *derbio = NULL; | |
145 BIO *out = NULL; | |
146 int req_timeout = -1; | |
147 int req_text = 0, resp_text = 0; | |
148 long nsec = MAX_VALIDITY_PERIOD, maxage = -1; | |
149 char *CAfile = NULL, *CApath = NULL; | |
150 X509_STORE *store = NULL; | |
151 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL; | |
152 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL; | |
153 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0; | |
154 int ret = 1; | |
155 int accept_count = -1; | |
156 int badarg = 0; | |
157 int i; | |
158 int ignore_err = 0; | |
159 STACK_OF(OPENSSL_STRING) *reqnames = NULL; | |
160 STACK_OF(OCSP_CERTID) *ids = NULL; | |
161 | |
162 X509 *rca_cert = NULL; | |
163 char *ridx_filename = NULL; | |
164 char *rca_filename = NULL; | |
165 CA_DB *rdb = NULL; | |
166 int nmin = 0, ndays = -1; | |
167 const EVP_MD *cert_id_md = NULL; | |
168 | |
169 if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); | |
170 | |
171 if (!load_config(bio_err, NULL)) | |
172 goto end; | |
173 SSL_load_error_strings(); | |
174 OpenSSL_add_ssl_algorithms(); | |
175 args = argv + 1; | |
176 reqnames = sk_OPENSSL_STRING_new_null(); | |
177 ids = sk_OCSP_CERTID_new_null(); | |
178 while (!badarg && *args && *args[0] == '-') | |
179 { | |
180 if (!strcmp(*args, "-out")) | |
181 { | |
182 if (args[1]) | |
183 { | |
184 args++; | |
185 outfile = *args; | |
186 } | |
187 else badarg = 1; | |
188 } | |
189 else if (!strcmp(*args, "-timeout")) | |
190 { | |
191 if (args[1]) | |
192 { | |
193 args++; | |
194 req_timeout = atol(*args); | |
195 if (req_timeout < 0) | |
196 { | |
197 BIO_printf(bio_err, | |
198 "Illegal timeout value %s\n", | |
199 *args); | |
200 badarg = 1; | |
201 } | |
202 } | |
203 else badarg = 1; | |
204 } | |
205 else if (!strcmp(*args, "-url")) | |
206 { | |
207 if (args[1]) | |
208 { | |
209 args++; | |
210 if (!OCSP_parse_url(*args, &host, &port, &path,
&use_ssl)) | |
211 { | |
212 BIO_printf(bio_err, "Error parsing URL\n
"); | |
213 badarg = 1; | |
214 } | |
215 } | |
216 else badarg = 1; | |
217 } | |
218 else if (!strcmp(*args, "-host")) | |
219 { | |
220 if (args[1]) | |
221 { | |
222 args++; | |
223 host = *args; | |
224 } | |
225 else badarg = 1; | |
226 } | |
227 else if (!strcmp(*args, "-port")) | |
228 { | |
229 if (args[1]) | |
230 { | |
231 args++; | |
232 port = *args; | |
233 } | |
234 else badarg = 1; | |
235 } | |
236 else if (!strcmp(*args, "-header")) | |
237 { | |
238 if (args[1] && args[2]) | |
239 { | |
240 if (!X509V3_add_value(args[1], args[2], &headers
)) | |
241 goto end; | |
242 args += 2; | |
243 } | |
244 else badarg = 1; | |
245 } | |
246 else if (!strcmp(*args, "-ignore_err")) | |
247 ignore_err = 1; | |
248 else if (!strcmp(*args, "-noverify")) | |
249 noverify = 1; | |
250 else if (!strcmp(*args, "-nonce")) | |
251 add_nonce = 2; | |
252 else if (!strcmp(*args, "-no_nonce")) | |
253 add_nonce = 0; | |
254 else if (!strcmp(*args, "-resp_no_certs")) | |
255 rflags |= OCSP_NOCERTS; | |
256 else if (!strcmp(*args, "-resp_key_id")) | |
257 rflags |= OCSP_RESPID_KEY; | |
258 else if (!strcmp(*args, "-no_certs")) | |
259 sign_flags |= OCSP_NOCERTS; | |
260 else if (!strcmp(*args, "-no_signature_verify")) | |
261 verify_flags |= OCSP_NOSIGS; | |
262 else if (!strcmp(*args, "-no_cert_verify")) | |
263 verify_flags |= OCSP_NOVERIFY; | |
264 else if (!strcmp(*args, "-no_chain")) | |
265 verify_flags |= OCSP_NOCHAIN; | |
266 else if (!strcmp(*args, "-no_cert_checks")) | |
267 verify_flags |= OCSP_NOCHECKS; | |
268 else if (!strcmp(*args, "-no_explicit")) | |
269 verify_flags |= OCSP_NOEXPLICIT; | |
270 else if (!strcmp(*args, "-trust_other")) | |
271 verify_flags |= OCSP_TRUSTOTHER; | |
272 else if (!strcmp(*args, "-no_intern")) | |
273 verify_flags |= OCSP_NOINTERN; | |
274 else if (!strcmp(*args, "-text")) | |
275 { | |
276 req_text = 1; | |
277 resp_text = 1; | |
278 } | |
279 else if (!strcmp(*args, "-req_text")) | |
280 req_text = 1; | |
281 else if (!strcmp(*args, "-resp_text")) | |
282 resp_text = 1; | |
283 else if (!strcmp(*args, "-reqin")) | |
284 { | |
285 if (args[1]) | |
286 { | |
287 args++; | |
288 reqin = *args; | |
289 } | |
290 else badarg = 1; | |
291 } | |
292 else if (!strcmp(*args, "-respin")) | |
293 { | |
294 if (args[1]) | |
295 { | |
296 args++; | |
297 respin = *args; | |
298 } | |
299 else badarg = 1; | |
300 } | |
301 else if (!strcmp(*args, "-signer")) | |
302 { | |
303 if (args[1]) | |
304 { | |
305 args++; | |
306 signfile = *args; | |
307 } | |
308 else badarg = 1; | |
309 } | |
310 else if (!strcmp (*args, "-VAfile")) | |
311 { | |
312 if (args[1]) | |
313 { | |
314 args++; | |
315 verify_certfile = *args; | |
316 verify_flags |= OCSP_TRUSTOTHER; | |
317 } | |
318 else badarg = 1; | |
319 } | |
320 else if (!strcmp(*args, "-sign_other")) | |
321 { | |
322 if (args[1]) | |
323 { | |
324 args++; | |
325 sign_certfile = *args; | |
326 } | |
327 else badarg = 1; | |
328 } | |
329 else if (!strcmp(*args, "-verify_other")) | |
330 { | |
331 if (args[1]) | |
332 { | |
333 args++; | |
334 verify_certfile = *args; | |
335 } | |
336 else badarg = 1; | |
337 } | |
338 else if (!strcmp (*args, "-CAfile")) | |
339 { | |
340 if (args[1]) | |
341 { | |
342 args++; | |
343 CAfile = *args; | |
344 } | |
345 else badarg = 1; | |
346 } | |
347 else if (!strcmp (*args, "-CApath")) | |
348 { | |
349 if (args[1]) | |
350 { | |
351 args++; | |
352 CApath = *args; | |
353 } | |
354 else badarg = 1; | |
355 } | |
356 else if (!strcmp (*args, "-validity_period")) | |
357 { | |
358 if (args[1]) | |
359 { | |
360 args++; | |
361 nsec = atol(*args); | |
362 if (nsec < 0) | |
363 { | |
364 BIO_printf(bio_err, | |
365 "Illegal validity period %s\n", | |
366 *args); | |
367 badarg = 1; | |
368 } | |
369 } | |
370 else badarg = 1; | |
371 } | |
372 else if (!strcmp (*args, "-status_age")) | |
373 { | |
374 if (args[1]) | |
375 { | |
376 args++; | |
377 maxage = atol(*args); | |
378 if (maxage < 0) | |
379 { | |
380 BIO_printf(bio_err, | |
381 "Illegal validity age %s\n", | |
382 *args); | |
383 badarg = 1; | |
384 } | |
385 } | |
386 else badarg = 1; | |
387 } | |
388 else if (!strcmp(*args, "-signkey")) | |
389 { | |
390 if (args[1]) | |
391 { | |
392 args++; | |
393 keyfile = *args; | |
394 } | |
395 else badarg = 1; | |
396 } | |
397 else if (!strcmp(*args, "-reqout")) | |
398 { | |
399 if (args[1]) | |
400 { | |
401 args++; | |
402 reqout = *args; | |
403 } | |
404 else badarg = 1; | |
405 } | |
406 else if (!strcmp(*args, "-respout")) | |
407 { | |
408 if (args[1]) | |
409 { | |
410 args++; | |
411 respout = *args; | |
412 } | |
413 else badarg = 1; | |
414 } | |
415 else if (!strcmp(*args, "-path")) | |
416 { | |
417 if (args[1]) | |
418 { | |
419 args++; | |
420 path = *args; | |
421 } | |
422 else badarg = 1; | |
423 } | |
424 else if (!strcmp(*args, "-issuer")) | |
425 { | |
426 if (args[1]) | |
427 { | |
428 args++; | |
429 X509_free(issuer); | |
430 issuer = load_cert(bio_err, *args, FORMAT_PEM, | |
431 NULL, e, "issuer certificate"); | |
432 if(!issuer) goto end; | |
433 } | |
434 else badarg = 1; | |
435 } | |
436 else if (!strcmp (*args, "-cert")) | |
437 { | |
438 if (args[1]) | |
439 { | |
440 args++; | |
441 X509_free(cert); | |
442 cert = load_cert(bio_err, *args, FORMAT_PEM, | |
443 NULL, e, "certificate"); | |
444 if(!cert) goto end; | |
445 if (!cert_id_md) cert_id_md = EVP_sha1(); | |
446 if(!add_ocsp_cert(&req, cert, cert_id_md, issuer
, ids)) | |
447 goto end; | |
448 if(!sk_OPENSSL_STRING_push(reqnames, *args)) | |
449 goto end; | |
450 } | |
451 else badarg = 1; | |
452 } | |
453 else if (!strcmp(*args, "-serial")) | |
454 { | |
455 if (args[1]) | |
456 { | |
457 args++; | |
458 if (!cert_id_md) cert_id_md = EVP_sha1(); | |
459 if(!add_ocsp_serial(&req, *args, cert_id_md, iss
uer, ids)) | |
460 goto end; | |
461 if(!sk_OPENSSL_STRING_push(reqnames, *args)) | |
462 goto end; | |
463 } | |
464 else badarg = 1; | |
465 } | |
466 else if (!strcmp(*args, "-index")) | |
467 { | |
468 if (args[1]) | |
469 { | |
470 args++; | |
471 ridx_filename = *args; | |
472 } | |
473 else badarg = 1; | |
474 } | |
475 else if (!strcmp(*args, "-CA")) | |
476 { | |
477 if (args[1]) | |
478 { | |
479 args++; | |
480 rca_filename = *args; | |
481 } | |
482 else badarg = 1; | |
483 } | |
484 else if (!strcmp (*args, "-nmin")) | |
485 { | |
486 if (args[1]) | |
487 { | |
488 args++; | |
489 nmin = atol(*args); | |
490 if (nmin < 0) | |
491 { | |
492 BIO_printf(bio_err, | |
493 "Illegal update period %s\n", | |
494 *args); | |
495 badarg = 1; | |
496 } | |
497 } | |
498 if (ndays == -1) | |
499 ndays = 0; | |
500 else badarg = 1; | |
501 } | |
502 else if (!strcmp (*args, "-nrequest")) | |
503 { | |
504 if (args[1]) | |
505 { | |
506 args++; | |
507 accept_count = atol(*args); | |
508 if (accept_count < 0) | |
509 { | |
510 BIO_printf(bio_err, | |
511 "Illegal accept count %s\n", | |
512 *args); | |
513 badarg = 1; | |
514 } | |
515 } | |
516 else badarg = 1; | |
517 } | |
518 else if (!strcmp (*args, "-ndays")) | |
519 { | |
520 if (args[1]) | |
521 { | |
522 args++; | |
523 ndays = atol(*args); | |
524 if (ndays < 0) | |
525 { | |
526 BIO_printf(bio_err, | |
527 "Illegal update period %s\n", | |
528 *args); | |
529 badarg = 1; | |
530 } | |
531 } | |
532 else badarg = 1; | |
533 } | |
534 else if (!strcmp(*args, "-rsigner")) | |
535 { | |
536 if (args[1]) | |
537 { | |
538 args++; | |
539 rsignfile = *args; | |
540 } | |
541 else badarg = 1; | |
542 } | |
543 else if (!strcmp(*args, "-rkey")) | |
544 { | |
545 if (args[1]) | |
546 { | |
547 args++; | |
548 rkeyfile = *args; | |
549 } | |
550 else badarg = 1; | |
551 } | |
552 else if (!strcmp(*args, "-rother")) | |
553 { | |
554 if (args[1]) | |
555 { | |
556 args++; | |
557 rcertfile = *args; | |
558 } | |
559 else badarg = 1; | |
560 } | |
561 else if ((cert_id_md = EVP_get_digestbyname((*args)+1))==NULL) | |
562 { | |
563 badarg = 1; | |
564 } | |
565 args++; | |
566 } | |
567 | |
568 /* Have we anything to do? */ | |
569 if (!req && !reqin && !respin && !(port && ridx_filename)) badarg = 1; | |
570 | |
571 if (badarg) | |
572 { | |
573 BIO_printf (bio_err, "OCSP utility\n"); | |
574 BIO_printf (bio_err, "Usage ocsp [options]\n"); | |
575 BIO_printf (bio_err, "where options are\n"); | |
576 BIO_printf (bio_err, "-out file output filename\n"); | |
577 BIO_printf (bio_err, "-issuer file issuer certificate\n"); | |
578 BIO_printf (bio_err, "-cert file certificate to check\n"
); | |
579 BIO_printf (bio_err, "-serial n serial number to check\
n"); | |
580 BIO_printf (bio_err, "-signer file certificate to sign OCS
P request with\n"); | |
581 BIO_printf (bio_err, "-signkey file private key to sign OCS
P request with\n"); | |
582 BIO_printf (bio_err, "-sign_other file additional certificates
to include in signed request\n"); | |
583 BIO_printf (bio_err, "-no_certs don't include any certi
ficates in signed request\n"); | |
584 BIO_printf (bio_err, "-req_text print text form of requ
est\n"); | |
585 BIO_printf (bio_err, "-resp_text print text form of resp
onse\n"); | |
586 BIO_printf (bio_err, "-text print text form of requ
est and response\n"); | |
587 BIO_printf (bio_err, "-reqout file write DER encoded OCSP
request to \"file\"\n"); | |
588 BIO_printf (bio_err, "-respout file write DER encoded OCSP
reponse to \"file\"\n"); | |
589 BIO_printf (bio_err, "-reqin file read DER encoded OCSP r
equest from \"file\"\n"); | |
590 BIO_printf (bio_err, "-respin file read DER encoded OCSP r
eponse from \"file\"\n"); | |
591 BIO_printf (bio_err, "-nonce add OCSP nonce to reque
st\n"); | |
592 BIO_printf (bio_err, "-no_nonce don't add OCSP nonce to
request\n"); | |
593 BIO_printf (bio_err, "-url URL OCSP responder URL\n"); | |
594 BIO_printf (bio_err, "-host host:n send OCSP request to ho
st on port n\n"); | |
595 BIO_printf (bio_err, "-path path to use in OCSP req
uest\n"); | |
596 BIO_printf (bio_err, "-CApath dir trusted certificates di
rectory\n"); | |
597 BIO_printf (bio_err, "-CAfile file trusted certificates fi
le\n"); | |
598 BIO_printf (bio_err, "-VAfile file validator certificates
file\n"); | |
599 BIO_printf (bio_err, "-validity_period n maximum validity discre
pancy in seconds\n"); | |
600 BIO_printf (bio_err, "-status_age n maximum status age in s
econds\n"); | |
601 BIO_printf (bio_err, "-noverify don't verify response a
t all\n"); | |
602 BIO_printf (bio_err, "-verify_other file additional certificates
to search for signer\n"); | |
603 BIO_printf (bio_err, "-trust_other don't verify additional
certificates\n"); | |
604 BIO_printf (bio_err, "-no_intern don't search certificat
es contained in response for signer\n"); | |
605 BIO_printf (bio_err, "-no_signature_verify don't check signature
on response\n"); | |
606 BIO_printf (bio_err, "-no_cert_verify don't check signing cer
tificate\n"); | |
607 BIO_printf (bio_err, "-no_chain don't chain verify resp
onse\n"); | |
608 BIO_printf (bio_err, "-no_cert_checks don't do additional che
cks on signing certificate\n"); | |
609 BIO_printf (bio_err, "-port num port to run responder o
n\n"); | |
610 BIO_printf (bio_err, "-index file certificate status inde
x file\n"); | |
611 BIO_printf (bio_err, "-CA file CA certificate\n"); | |
612 BIO_printf (bio_err, "-rsigner file responder certificate t
o sign responses with\n"); | |
613 BIO_printf (bio_err, "-rkey file responder key to sign r
esponses with\n"); | |
614 BIO_printf (bio_err, "-rother file other certificates to i
nclude in response\n"); | |
615 BIO_printf (bio_err, "-resp_no_certs don't include any certi
ficates in response\n"); | |
616 BIO_printf (bio_err, "-nmin n number of minutes befor
e next update\n"); | |
617 BIO_printf (bio_err, "-ndays n number of days before n
ext update\n"); | |
618 BIO_printf (bio_err, "-resp_key_id identify reponse by sig
ning certificate key ID\n"); | |
619 BIO_printf (bio_err, "-nrequest n number of requests to a
ccept (default unlimited)\n"); | |
620 BIO_printf (bio_err, "-<dgst alg> use specified digest in th
e request\n"); | |
621 goto end; | |
622 } | |
623 | |
624 if(outfile) out = BIO_new_file(outfile, "w"); | |
625 else out = BIO_new_fp(stdout, BIO_NOCLOSE); | |
626 | |
627 if(!out) | |
628 { | |
629 BIO_printf(bio_err, "Error opening output file\n"); | |
630 goto end; | |
631 } | |
632 | |
633 if (!req && (add_nonce != 2)) add_nonce = 0; | |
634 | |
635 if (!req && reqin) | |
636 { | |
637 derbio = BIO_new_file(reqin, "rb"); | |
638 if (!derbio) | |
639 { | |
640 BIO_printf(bio_err, "Error Opening OCSP request file\n")
; | |
641 goto end; | |
642 } | |
643 req = d2i_OCSP_REQUEST_bio(derbio, NULL); | |
644 BIO_free(derbio); | |
645 if(!req) | |
646 { | |
647 BIO_printf(bio_err, "Error reading OCSP request\n"); | |
648 goto end; | |
649 } | |
650 } | |
651 | |
652 if (!req && port) | |
653 { | |
654 acbio = init_responder(port); | |
655 if (!acbio) | |
656 goto end; | |
657 } | |
658 | |
659 if (rsignfile && !rdb) | |
660 { | |
661 if (!rkeyfile) rkeyfile = rsignfile; | |
662 rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM, | |
663 NULL, e, "responder certificate"); | |
664 if (!rsigner) | |
665 { | |
666 BIO_printf(bio_err, "Error loading responder certificate
\n"); | |
667 goto end; | |
668 } | |
669 rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM, | |
670 NULL, e, "CA certificate"); | |
671 if (rcertfile) | |
672 { | |
673 rother = load_certs(bio_err, rcertfile, FORMAT_PEM, | |
674 NULL, e, "responder other certificates"); | |
675 if (!rother) goto end; | |
676 } | |
677 rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL, | |
678 "responder private key"); | |
679 if (!rkey) | |
680 goto end; | |
681 } | |
682 if(acbio) | |
683 BIO_printf(bio_err, "Waiting for OCSP client connections...\n"); | |
684 | |
685 redo_accept: | |
686 | |
687 if (acbio) | |
688 { | |
689 if (!do_responder(&req, &cbio, acbio, port)) | |
690 goto end; | |
691 if (!req) | |
692 { | |
693 resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORM
EDREQUEST, NULL); | |
694 send_ocsp_response(cbio, resp); | |
695 goto done_resp; | |
696 } | |
697 } | |
698 | |
699 if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) | |
700 { | |
701 BIO_printf(bio_err, "Need an OCSP request for this operation!\n"
); | |
702 goto end; | |
703 } | |
704 | |
705 if (req && add_nonce) OCSP_request_add1_nonce(req, NULL, -1); | |
706 | |
707 if (signfile) | |
708 { | |
709 if (!keyfile) keyfile = signfile; | |
710 signer = load_cert(bio_err, signfile, FORMAT_PEM, | |
711 NULL, e, "signer certificate"); | |
712 if (!signer) | |
713 { | |
714 BIO_printf(bio_err, "Error loading signer certificate\n"
); | |
715 goto end; | |
716 } | |
717 if (sign_certfile) | |
718 { | |
719 sign_other = load_certs(bio_err, sign_certfile, FORMAT_P
EM, | |
720 NULL, e, "signer certificates"); | |
721 if (!sign_other) goto end; | |
722 } | |
723 key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL, | |
724 "signer private key"); | |
725 if (!key) | |
726 goto end; | |
727 | |
728 if (!OCSP_request_sign(req, signer, key, NULL, sign_other, sign_
flags)) | |
729 { | |
730 BIO_printf(bio_err, "Error signing OCSP request\n"); | |
731 goto end; | |
732 } | |
733 } | |
734 | |
735 if (req_text && req) OCSP_REQUEST_print(out, req, 0); | |
736 | |
737 if (reqout) | |
738 { | |
739 derbio = BIO_new_file(reqout, "wb"); | |
740 if(!derbio) | |
741 { | |
742 BIO_printf(bio_err, "Error opening file %s\n", reqout); | |
743 goto end; | |
744 } | |
745 i2d_OCSP_REQUEST_bio(derbio, req); | |
746 BIO_free(derbio); | |
747 } | |
748 | |
749 if (ridx_filename && (!rkey || !rsigner || !rca_cert)) | |
750 { | |
751 BIO_printf(bio_err, "Need a responder certificate, key and CA fo
r this operation!\n"); | |
752 goto end; | |
753 } | |
754 | |
755 if (ridx_filename && !rdb) | |
756 { | |
757 rdb = load_index(ridx_filename, NULL); | |
758 if (!rdb) goto end; | |
759 if (!index_index(rdb)) goto end; | |
760 } | |
761 | |
762 if (rdb) | |
763 { | |
764 i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey,
rother, rflags, nmin, ndays); | |
765 if (cbio) | |
766 send_ocsp_response(cbio, resp); | |
767 } | |
768 else if (host) | |
769 { | |
770 #ifndef OPENSSL_NO_SOCK | |
771 resp = process_responder(bio_err, req, host, path, | |
772 port, use_ssl, headers, req_timeout); | |
773 if (!resp) | |
774 goto end; | |
775 #else | |
776 BIO_printf(bio_err, "Error creating connect BIO - sockets not su
pported.\n"); | |
777 goto end; | |
778 #endif | |
779 } | |
780 else if (respin) | |
781 { | |
782 derbio = BIO_new_file(respin, "rb"); | |
783 if (!derbio) | |
784 { | |
785 BIO_printf(bio_err, "Error Opening OCSP response file\n"
); | |
786 goto end; | |
787 } | |
788 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL); | |
789 BIO_free(derbio); | |
790 if(!resp) | |
791 { | |
792 BIO_printf(bio_err, "Error reading OCSP response\n"); | |
793 goto end; | |
794 } | |
795 | |
796 } | |
797 else | |
798 { | |
799 ret = 0; | |
800 goto end; | |
801 } | |
802 | |
803 done_resp: | |
804 | |
805 if (respout) | |
806 { | |
807 derbio = BIO_new_file(respout, "wb"); | |
808 if(!derbio) | |
809 { | |
810 BIO_printf(bio_err, "Error opening file %s\n", respout); | |
811 goto end; | |
812 } | |
813 i2d_OCSP_RESPONSE_bio(derbio, resp); | |
814 BIO_free(derbio); | |
815 } | |
816 | |
817 i = OCSP_response_status(resp); | |
818 | |
819 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) | |
820 { | |
821 BIO_printf(out, "Responder Error: %s (%d)\n", | |
822 OCSP_response_status_str(i), i); | |
823 if (ignore_err) | |
824 goto redo_accept; | |
825 ret = 0; | |
826 goto end; | |
827 } | |
828 | |
829 if (resp_text) OCSP_RESPONSE_print(out, resp, 0); | |
830 | |
831 /* If running as responder don't verify our own response */ | |
832 if (cbio) | |
833 { | |
834 if (accept_count > 0) | |
835 accept_count--; | |
836 /* Redo if more connections needed */ | |
837 if (accept_count) | |
838 { | |
839 BIO_free_all(cbio); | |
840 cbio = NULL; | |
841 OCSP_REQUEST_free(req); | |
842 req = NULL; | |
843 OCSP_RESPONSE_free(resp); | |
844 resp = NULL; | |
845 goto redo_accept; | |
846 } | |
847 goto end; | |
848 } | |
849 | |
850 if (!store) | |
851 store = setup_verify(bio_err, CAfile, CApath); | |
852 if (!store) | |
853 goto end; | |
854 if (verify_certfile) | |
855 { | |
856 verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM, | |
857 NULL, e, "validator certificate"); | |
858 if (!verify_other) goto end; | |
859 } | |
860 | |
861 bs = OCSP_response_get1_basic(resp); | |
862 | |
863 if (!bs) | |
864 { | |
865 BIO_printf(bio_err, "Error parsing response\n"); | |
866 goto end; | |
867 } | |
868 | |
869 if (!noverify) | |
870 { | |
871 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) | |
872 { | |
873 if (i == -1) | |
874 BIO_printf(bio_err, "WARNING: no nonce in respon
se\n"); | |
875 else | |
876 { | |
877 BIO_printf(bio_err, "Nonce Verify error\n"); | |
878 goto end; | |
879 } | |
880 } | |
881 | |
882 i = OCSP_basic_verify(bs, verify_other, store, verify_flags); | |
883 if (i < 0) i = OCSP_basic_verify(bs, NULL, store, 0); | |
884 | |
885 if(i <= 0) | |
886 { | |
887 BIO_printf(bio_err, "Response Verify Failure\n"); | |
888 ERR_print_errors(bio_err); | |
889 } | |
890 else | |
891 BIO_printf(bio_err, "Response verify OK\n"); | |
892 | |
893 } | |
894 | |
895 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage)) | |
896 goto end; | |
897 | |
898 ret = 0; | |
899 | |
900 end: | |
901 ERR_print_errors(bio_err); | |
902 X509_free(signer); | |
903 X509_STORE_free(store); | |
904 EVP_PKEY_free(key); | |
905 EVP_PKEY_free(rkey); | |
906 X509_free(issuer); | |
907 X509_free(cert); | |
908 X509_free(rsigner); | |
909 X509_free(rca_cert); | |
910 free_index(rdb); | |
911 BIO_free_all(cbio); | |
912 BIO_free_all(acbio); | |
913 BIO_free(out); | |
914 OCSP_REQUEST_free(req); | |
915 OCSP_RESPONSE_free(resp); | |
916 OCSP_BASICRESP_free(bs); | |
917 sk_OPENSSL_STRING_free(reqnames); | |
918 sk_OCSP_CERTID_free(ids); | |
919 sk_X509_pop_free(sign_other, X509_free); | |
920 sk_X509_pop_free(verify_other, X509_free); | |
921 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free); | |
922 | |
923 if (use_ssl != -1) | |
924 { | |
925 OPENSSL_free(host); | |
926 OPENSSL_free(port); | |
927 OPENSSL_free(path); | |
928 } | |
929 | |
930 OPENSSL_EXIT(ret); | |
931 } | |
932 | |
933 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_m
d,X509 *issuer, | |
934 STACK_OF(OCSP_CERTID) *ids) | |
935 { | |
936 OCSP_CERTID *id; | |
937 if(!issuer) | |
938 { | |
939 BIO_printf(bio_err, "No issuer certificate specified\n"); | |
940 return 0; | |
941 } | |
942 if(!*req) *req = OCSP_REQUEST_new(); | |
943 if(!*req) goto err; | |
944 id = OCSP_cert_to_id(cert_id_md, cert, issuer); | |
945 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err; | |
946 if(!OCSP_request_add0_id(*req, id)) goto err; | |
947 return 1; | |
948 | |
949 err: | |
950 BIO_printf(bio_err, "Error Creating OCSP request\n"); | |
951 return 0; | |
952 } | |
953 | |
954 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,const EVP_MD *cert_i
d_md, X509 *issuer, | |
955 STACK_OF(OCSP_CERTID) *ids) | |
956 { | |
957 OCSP_CERTID *id; | |
958 X509_NAME *iname; | |
959 ASN1_BIT_STRING *ikey; | |
960 ASN1_INTEGER *sno; | |
961 if(!issuer) | |
962 { | |
963 BIO_printf(bio_err, "No issuer certificate specified\n"); | |
964 return 0; | |
965 } | |
966 if(!*req) *req = OCSP_REQUEST_new(); | |
967 if(!*req) goto err; | |
968 iname = X509_get_subject_name(issuer); | |
969 ikey = X509_get0_pubkey_bitstr(issuer); | |
970 sno = s2i_ASN1_INTEGER(NULL, serial); | |
971 if(!sno) | |
972 { | |
973 BIO_printf(bio_err, "Error converting serial number %s\n", seria
l); | |
974 return 0; | |
975 } | |
976 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno); | |
977 ASN1_INTEGER_free(sno); | |
978 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err; | |
979 if(!OCSP_request_add0_id(*req, id)) goto err; | |
980 return 1; | |
981 | |
982 err: | |
983 BIO_printf(bio_err, "Error Creating OCSP request\n"); | |
984 return 0; | |
985 } | |
986 | |
987 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, | |
988 STACK_OF(OPENSSL_STRING) *names, | |
989 STACK_OF(OCSP_CERTID) *ids, long nsec, | |
990 long maxage) | |
991 { | |
992 OCSP_CERTID *id; | |
993 char *name; | |
994 int i; | |
995 | |
996 int status, reason; | |
997 | |
998 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd; | |
999 | |
1000 if (!bs || !req || !sk_OPENSSL_STRING_num(names) || !sk_OCSP_CERTID_num(
ids)) | |
1001 return 1; | |
1002 | |
1003 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) | |
1004 { | |
1005 id = sk_OCSP_CERTID_value(ids, i); | |
1006 name = sk_OPENSSL_STRING_value(names, i); | |
1007 BIO_printf(out, "%s: ", name); | |
1008 | |
1009 if(!OCSP_resp_find_status(bs, id, &status, &reason, | |
1010 &rev, &thisupd, &nextupd)) | |
1011 { | |
1012 BIO_puts(out, "ERROR: No Status found.\n"); | |
1013 continue; | |
1014 } | |
1015 | |
1016 /* Check validity: if invalid write to output BIO so we | |
1017 * know which response this refers to. | |
1018 */ | |
1019 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) | |
1020 { | |
1021 BIO_puts(out, "WARNING: Status times invalid.\n"); | |
1022 ERR_print_errors(out); | |
1023 } | |
1024 BIO_printf(out, "%s\n", OCSP_cert_status_str(status)); | |
1025 | |
1026 BIO_puts(out, "\tThis Update: "); | |
1027 ASN1_GENERALIZEDTIME_print(out, thisupd); | |
1028 BIO_puts(out, "\n"); | |
1029 | |
1030 if(nextupd) | |
1031 { | |
1032 BIO_puts(out, "\tNext Update: "); | |
1033 ASN1_GENERALIZEDTIME_print(out, nextupd); | |
1034 BIO_puts(out, "\n"); | |
1035 } | |
1036 | |
1037 if (status != V_OCSP_CERTSTATUS_REVOKED) | |
1038 continue; | |
1039 | |
1040 if (reason != -1) | |
1041 BIO_printf(out, "\tReason: %s\n", | |
1042 OCSP_crl_reason_str(reason)); | |
1043 | |
1044 BIO_puts(out, "\tRevocation Time: "); | |
1045 ASN1_GENERALIZEDTIME_print(out, rev); | |
1046 BIO_puts(out, "\n"); | |
1047 } | |
1048 | |
1049 return 1; | |
1050 } | |
1051 | |
1052 | |
1053 static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db
, | |
1054 X509 *ca, X509 *rcert, EVP_PKEY *rkey, | |
1055 STACK_OF(X509) *rother, unsigned long flags, | |
1056 int nmin, int ndays) | |
1057 { | |
1058 ASN1_TIME *thisupd = NULL, *nextupd = NULL; | |
1059 OCSP_CERTID *cid, *ca_id = NULL; | |
1060 OCSP_BASICRESP *bs = NULL; | |
1061 int i, id_count, ret = 1; | |
1062 | |
1063 id_count = OCSP_request_onereq_count(req); | |
1064 | |
1065 if (id_count <= 0) | |
1066 { | |
1067 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUE
ST, NULL); | |
1068 goto end; | |
1069 } | |
1070 | |
1071 | |
1072 bs = OCSP_BASICRESP_new(); | |
1073 thisupd = X509_gmtime_adj(NULL, 0); | |
1074 if (ndays != -1) | |
1075 nextupd = X509_gmtime_adj(NULL, nmin * 60 + ndays * 3600 * 24 ); | |
1076 | |
1077 /* Examine each certificate id in the request */ | |
1078 for (i = 0; i < id_count; i++) | |
1079 { | |
1080 OCSP_ONEREQ *one; | |
1081 ASN1_INTEGER *serial; | |
1082 char **inf; | |
1083 ASN1_OBJECT *cert_id_md_oid; | |
1084 const EVP_MD *cert_id_md; | |
1085 one = OCSP_request_onereq_get0(req, i); | |
1086 cid = OCSP_onereq_get0_id(one); | |
1087 | |
1088 OCSP_id_get0_info(NULL,&cert_id_md_oid, NULL,NULL, cid); | |
1089 | |
1090 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid); | |
1091 if (! cert_id_md) | |
1092 { | |
1093 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERN
ALERROR, | |
1094 NULL); | |
1095 goto end; | |
1096 } | |
1097 if (ca_id) OCSP_CERTID_free(ca_id); | |
1098 ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca); | |
1099 | |
1100 /* Is this request about our CA? */ | |
1101 if (OCSP_id_issuer_cmp(ca_id, cid)) | |
1102 { | |
1103 OCSP_basic_add1_status(bs, cid, | |
1104 V_OCSP_CERTSTATUS_UNKNOWN, | |
1105 0, NULL, | |
1106 thisupd, nextupd); | |
1107 continue; | |
1108 } | |
1109 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid); | |
1110 inf = lookup_serial(db, serial); | |
1111 if (!inf) | |
1112 OCSP_basic_add1_status(bs, cid, | |
1113 V_OCSP_CERTSTATUS_UNKNOWN, | |
1114 0, NULL, | |
1115 thisupd, nextupd); | |
1116 else if (inf[DB_type][0] == DB_TYPE_VAL) | |
1117 OCSP_basic_add1_status(bs, cid, | |
1118 V_OCSP_CERTSTATUS_GOOD, | |
1119 0, NULL, | |
1120 thisupd, nextupd); | |
1121 else if (inf[DB_type][0] == DB_TYPE_REV) | |
1122 { | |
1123 ASN1_OBJECT *inst = NULL; | |
1124 ASN1_TIME *revtm = NULL; | |
1125 ASN1_GENERALIZEDTIME *invtm = NULL; | |
1126 OCSP_SINGLERESP *single; | |
1127 int reason = -1; | |
1128 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_re
v_date]); | |
1129 single = OCSP_basic_add1_status(bs, cid, | |
1130 V_OCSP_CERTSTATUS_REVOKED, | |
1131 reason, revtm, | |
1132 thisupd, nextupd); | |
1133 if (invtm) | |
1134 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalid
ity_date, invtm, 0, 0); | |
1135 else if (inst) | |
1136 OCSP_SINGLERESP_add1_ext_i2d(single, NID_hold_in
struction_code, inst, 0, 0); | |
1137 ASN1_OBJECT_free(inst); | |
1138 ASN1_TIME_free(revtm); | |
1139 ASN1_GENERALIZEDTIME_free(invtm); | |
1140 } | |
1141 } | |
1142 | |
1143 OCSP_copy_nonce(bs, req); | |
1144 | |
1145 OCSP_basic_sign(bs, rcert, rkey, NULL, rother, flags); | |
1146 | |
1147 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs); | |
1148 | |
1149 end: | |
1150 ASN1_TIME_free(thisupd); | |
1151 ASN1_TIME_free(nextupd); | |
1152 OCSP_CERTID_free(ca_id); | |
1153 OCSP_BASICRESP_free(bs); | |
1154 return ret; | |
1155 | |
1156 } | |
1157 | |
1158 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser) | |
1159 { | |
1160 int i; | |
1161 BIGNUM *bn = NULL; | |
1162 char *itmp, *row[DB_NUMBER],**rrow; | |
1163 for (i = 0; i < DB_NUMBER; i++) row[i] = NULL; | |
1164 bn = ASN1_INTEGER_to_BN(ser,NULL); | |
1165 OPENSSL_assert(bn); /* FIXME: should report an error at this point and a
bort */ | |
1166 if (BN_is_zero(bn)) | |
1167 itmp = BUF_strdup("00"); | |
1168 else | |
1169 itmp = BN_bn2hex(bn); | |
1170 row[DB_serial] = itmp; | |
1171 BN_free(bn); | |
1172 rrow=TXT_DB_get_by_index(db->db,DB_serial,row); | |
1173 OPENSSL_free(itmp); | |
1174 return rrow; | |
1175 } | |
1176 | |
1177 /* Quick and dirty OCSP server: read in and parse input request */ | |
1178 | |
1179 static BIO *init_responder(char *port) | |
1180 { | |
1181 BIO *acbio = NULL, *bufbio = NULL; | |
1182 bufbio = BIO_new(BIO_f_buffer()); | |
1183 if (!bufbio) | |
1184 goto err; | |
1185 #ifndef OPENSSL_NO_SOCK | |
1186 acbio = BIO_new_accept(port); | |
1187 #else | |
1188 BIO_printf(bio_err, "Error setting up accept BIO - sockets not supported
.\n"); | |
1189 #endif | |
1190 if (!acbio) | |
1191 goto err; | |
1192 BIO_set_accept_bios(acbio, bufbio); | |
1193 bufbio = NULL; | |
1194 | |
1195 if (BIO_do_accept(acbio) <= 0) | |
1196 { | |
1197 BIO_printf(bio_err, "Error setting up accept BIO\n"); | |
1198 ERR_print_errors(bio_err); | |
1199 goto err; | |
1200 } | |
1201 | |
1202 return acbio; | |
1203 | |
1204 err: | |
1205 BIO_free_all(acbio); | |
1206 BIO_free(bufbio); | |
1207 return NULL; | |
1208 } | |
1209 | |
1210 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port
) | |
1211 { | |
1212 int have_post = 0, len; | |
1213 OCSP_REQUEST *req = NULL; | |
1214 char inbuf[1024]; | |
1215 BIO *cbio = NULL; | |
1216 | |
1217 if (BIO_do_accept(acbio) <= 0) | |
1218 { | |
1219 BIO_printf(bio_err, "Error accepting connection\n"); | |
1220 ERR_print_errors(bio_err); | |
1221 return 0; | |
1222 } | |
1223 | |
1224 cbio = BIO_pop(acbio); | |
1225 *pcbio = cbio; | |
1226 | |
1227 for(;;) | |
1228 { | |
1229 len = BIO_gets(cbio, inbuf, sizeof inbuf); | |
1230 if (len <= 0) | |
1231 return 1; | |
1232 /* Look for "POST" signalling start of query */ | |
1233 if (!have_post) | |
1234 { | |
1235 if(strncmp(inbuf, "POST", 4)) | |
1236 { | |
1237 BIO_printf(bio_err, "Invalid request\n"); | |
1238 return 1; | |
1239 } | |
1240 have_post = 1; | |
1241 } | |
1242 /* Look for end of headers */ | |
1243 if ((inbuf[0] == '\r') || (inbuf[0] == '\n')) | |
1244 break; | |
1245 } | |
1246 | |
1247 /* Try to read OCSP request */ | |
1248 | |
1249 req = d2i_OCSP_REQUEST_bio(cbio, NULL); | |
1250 | |
1251 if (!req) | |
1252 { | |
1253 BIO_printf(bio_err, "Error parsing OCSP request\n"); | |
1254 ERR_print_errors(bio_err); | |
1255 } | |
1256 | |
1257 *preq = req; | |
1258 | |
1259 return 1; | |
1260 | |
1261 } | |
1262 | |
1263 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp) | |
1264 { | |
1265 char http_resp[] = | |
1266 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n" | |
1267 "Content-Length: %d\r\n\r\n"; | |
1268 if (!cbio) | |
1269 return 0; | |
1270 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL)); | |
1271 i2d_OCSP_RESPONSE_bio(cbio, resp); | |
1272 (void)BIO_flush(cbio); | |
1273 return 1; | |
1274 } | |
1275 | |
1276 static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, | |
1277 STACK_OF(CONF_VALUE) *headers, | |
1278 OCSP_REQUEST *req, int req_timeout) | |
1279 { | |
1280 int fd; | |
1281 int rv; | |
1282 int i; | |
1283 OCSP_REQ_CTX *ctx = NULL; | |
1284 OCSP_RESPONSE *rsp = NULL; | |
1285 fd_set confds; | |
1286 struct timeval tv; | |
1287 | |
1288 if (req_timeout != -1) | |
1289 BIO_set_nbio(cbio, 1); | |
1290 | |
1291 rv = BIO_do_connect(cbio); | |
1292 | |
1293 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) | |
1294 { | |
1295 BIO_puts(err, "Error connecting BIO\n"); | |
1296 return NULL; | |
1297 } | |
1298 | |
1299 if (BIO_get_fd(cbio, &fd) <= 0) | |
1300 { | |
1301 BIO_puts(err, "Can't get connection fd\n"); | |
1302 goto err; | |
1303 } | |
1304 | |
1305 if (req_timeout != -1 && rv <= 0) | |
1306 { | |
1307 FD_ZERO(&confds); | |
1308 openssl_fdset(fd, &confds); | |
1309 tv.tv_usec = 0; | |
1310 tv.tv_sec = req_timeout; | |
1311 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); | |
1312 if (rv == 0) | |
1313 { | |
1314 BIO_puts(err, "Timeout on connect\n"); | |
1315 return NULL; | |
1316 } | |
1317 } | |
1318 | |
1319 | |
1320 ctx = OCSP_sendreq_new(cbio, path, NULL, -1); | |
1321 if (!ctx) | |
1322 return NULL; | |
1323 | |
1324 for (i = 0; i < sk_CONF_VALUE_num(headers); i++) | |
1325 { | |
1326 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i); | |
1327 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value)) | |
1328 goto err; | |
1329 } | |
1330 | |
1331 if (!OCSP_REQ_CTX_set1_req(ctx, req)) | |
1332 goto err; | |
1333 | |
1334 for (;;) | |
1335 { | |
1336 rv = OCSP_sendreq_nbio(&rsp, ctx); | |
1337 if (rv != -1) | |
1338 break; | |
1339 if (req_timeout == -1) | |
1340 continue; | |
1341 FD_ZERO(&confds); | |
1342 openssl_fdset(fd, &confds); | |
1343 tv.tv_usec = 0; | |
1344 tv.tv_sec = req_timeout; | |
1345 if (BIO_should_read(cbio)) | |
1346 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv); | |
1347 else if (BIO_should_write(cbio)) | |
1348 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); | |
1349 else | |
1350 { | |
1351 BIO_puts(err, "Unexpected retry condition\n"); | |
1352 goto err; | |
1353 } | |
1354 if (rv == 0) | |
1355 { | |
1356 BIO_puts(err, "Timeout on request\n"); | |
1357 break; | |
1358 } | |
1359 if (rv == -1) | |
1360 { | |
1361 BIO_puts(err, "Select error\n"); | |
1362 break; | |
1363 } | |
1364 | |
1365 } | |
1366 err: | |
1367 if (ctx) | |
1368 OCSP_REQ_CTX_free(ctx); | |
1369 | |
1370 return rsp; | |
1371 } | |
1372 | |
1373 OCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req, | |
1374 char *host, char *path, char *port, int use_ssl, | |
1375 STACK_OF(CONF_VALUE) *headers, | |
1376 int req_timeout) | |
1377 { | |
1378 BIO *cbio = NULL; | |
1379 SSL_CTX *ctx = NULL; | |
1380 OCSP_RESPONSE *resp = NULL; | |
1381 cbio = BIO_new_connect(host); | |
1382 if (!cbio) | |
1383 { | |
1384 BIO_printf(err, "Error creating connect BIO\n"); | |
1385 goto end; | |
1386 } | |
1387 if (port) BIO_set_conn_port(cbio, port); | |
1388 if (use_ssl == 1) | |
1389 { | |
1390 BIO *sbio; | |
1391 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) | |
1392 ctx = SSL_CTX_new(SSLv23_client_method()); | |
1393 #elif !defined(OPENSSL_NO_SSL3) | |
1394 ctx = SSL_CTX_new(SSLv3_client_method()); | |
1395 #elif !defined(OPENSSL_NO_SSL2) | |
1396 ctx = SSL_CTX_new(SSLv2_client_method()); | |
1397 #else | |
1398 BIO_printf(err, "SSL is disabled\n"); | |
1399 goto end; | |
1400 #endif | |
1401 if (ctx == NULL) | |
1402 { | |
1403 BIO_printf(err, "Error creating SSL context.\n"); | |
1404 goto end; | |
1405 } | |
1406 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); | |
1407 sbio = BIO_new_ssl(ctx, 1); | |
1408 cbio = BIO_push(sbio, cbio); | |
1409 } | |
1410 resp = query_responder(err, cbio, path, headers, req, req_timeout); | |
1411 if (!resp) | |
1412 BIO_printf(bio_err, "Error querying OCSP responsder\n"); | |
1413 end: | |
1414 if (cbio) | |
1415 BIO_free_all(cbio); | |
1416 if (ctx) | |
1417 SSL_CTX_free(ctx); | |
1418 return resp; | |
1419 } | |
1420 | |
1421 #endif | |
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