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1 | /* ocsp.c */ | |
2 | /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 | #include <stdio.h> | |
61 | #include <string.h> | |
62 | #include "apps.h" | |
63 | #include <openssl/pem.h> | |
64 | #include <openssl/ocsp.h> | |
65 | #include <openssl/err.h> | |
66 | #include <openssl/ssl.h> | |
67 | ||
68 | /* Maximum leeway in validity period: default 5 minutes */ | |
69 | #define MAX_VALIDITY_PERIOD (5 * 60) | |
70 | ||
71 | /* CA index.txt definitions */ | |
72 | #define DB_type 0 | |
73 | #define DB_exp_date 1 | |
74 | #define DB_rev_date 2 | |
75 | #define DB_serial 3 /* index - unique */ | |
76 | #define DB_file 4 | |
77 | #define DB_name 5 /* index - unique for active */ | |
78 | #define DB_NUMBER 6 | |
79 | ||
80 | #define DB_TYPE_REV 'R' | |
81 | #define DB_TYPE_EXP 'E' | |
82 | #define DB_TYPE_VAL 'V' | |
83 | ||
84 | static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer, | |
85 | STACK_OF(OCSP_CERTID) *ids); | |
86 | static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer, | |
87 | STACK_OF(OCSP_CERTID) *ids); | |
88 | static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, | |
89 | STACK *names, STACK_OF(OCSP_CERTID) *ids, | |
90 | long nsec, long maxage); | |
91 | ||
92 | static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, TXT_DB *db, | |
93 | X509 *ca, X509 *rcert, EVP_PKEY *rkey, | |
94 | STACK_OF(X509) *rother, unsigned long flags, | |
95 | int nmin, int ndays); | |
96 | ||
97 | static char **lookup_serial(TXT_DB *db, ASN1_INTEGER *ser); | |
98 | static BIO *init_responder(char *port); | |
99 | static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port); | |
100 | static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp); | |
101 | ||
102 | #undef PROG | |
103 | #define PROG ocsp_main | |
104 | ||
105 | int MAIN(int, char **); | |
106 | ||
107 | int MAIN(int argc, char **argv) | |
108 | { | |
109 | ENGINE *e = NULL; | |
110 | char **args; | |
111 | char *host = NULL, *port = NULL, *path = "/"; | |
112 | char *reqin = NULL, *respin = NULL; | |
113 | char *reqout = NULL, *respout = NULL; | |
114 | char *signfile = NULL, *keyfile = NULL; | |
115 | char *rsignfile = NULL, *rkeyfile = NULL; | |
116 | char *outfile = NULL; | |
117 | int add_nonce = 1, noverify = 0, use_ssl = -1; | |
118 | OCSP_REQUEST *req = NULL; | |
119 | OCSP_RESPONSE *resp = NULL; | |
120 | OCSP_BASICRESP *bs = NULL; | |
121 | X509 *issuer = NULL, *cert = NULL; | |
122 | X509 *signer = NULL, *rsigner = NULL; | |
123 | EVP_PKEY *key = NULL, *rkey = NULL; | |
124 | BIO *acbio = NULL, *cbio = NULL; | |
125 | BIO *derbio = NULL; | |
126 | BIO *out = NULL; | |
127 | int req_text = 0, resp_text = 0; | |
128 | long nsec = MAX_VALIDITY_PERIOD, maxage = -1; | |
129 | char *CAfile = NULL, *CApath = NULL; | |
130 | X509_STORE *store = NULL; | |
131 | SSL_CTX *ctx = NULL; | |
132 | STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL; | |
133 | char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL; | |
134 | unsigned long sign_flags = 0, verify_flags = 0, rflags = 0; | |
135 | int ret = 1; | |
136 | int accept_count = -1; | |
137 | int badarg = 0; | |
138 | int i; | |
139 | STACK *reqnames = NULL; | |
140 | STACK_OF(OCSP_CERTID) *ids = NULL; | |
141 | ||
142 | X509 *rca_cert = NULL; | |
143 | char *ridx_filename = NULL; | |
144 | char *rca_filename = NULL; | |
145 | TXT_DB *rdb = NULL; | |
146 | int nmin = 0, ndays = -1; | |
147 | ||
148 | if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); | |
149 | ||
150 | if (!load_config(bio_err, NULL)) | |
151 | goto end; | |
152 | SSL_load_error_strings(); | |
153 | args = argv + 1; | |
154 | reqnames = sk_new_null(); | |
155 | ids = sk_OCSP_CERTID_new_null(); | |
156 | while (!badarg && *args && *args[0] == '-') | |
157 | { | |
158 | if (!strcmp(*args, "-out")) | |
159 | { | |
160 | if (args[1]) | |
161 | { | |
162 | args++; | |
163 | outfile = *args; | |
164 | } | |
165 | else badarg = 1; | |
166 | } | |
167 | else if (!strcmp(*args, "-url")) | |
168 | { | |
169 | if (args[1]) | |
170 | { | |
171 | args++; | |
172 | if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl)) | |
173 | { | |
174 | BIO_printf(bio_err, "Error parsing URL\n"); | |
175 | badarg = 1; | |
176 | } | |
177 | } | |
178 | else badarg = 1; | |
179 | } | |
180 | else if (!strcmp(*args, "-host")) | |
181 | { | |
182 | if (args[1]) | |
183 | { | |
184 | args++; | |
185 | host = *args; | |
186 | } | |
187 | else badarg = 1; | |
188 | } | |
189 | else if (!strcmp(*args, "-port")) | |
190 | { | |
191 | if (args[1]) | |
192 | { | |
193 | args++; | |
194 | port = *args; | |
195 | } | |
196 | else badarg = 1; | |
197 | } | |
198 | else if (!strcmp(*args, "-noverify")) | |
199 | noverify = 1; | |
200 | else if (!strcmp(*args, "-nonce")) | |
201 | add_nonce = 2; | |
202 | else if (!strcmp(*args, "-no_nonce")) | |
203 | add_nonce = 0; | |
204 | else if (!strcmp(*args, "-resp_no_certs")) | |
205 | rflags |= OCSP_NOCERTS; | |
206 | else if (!strcmp(*args, "-resp_key_id")) | |
207 | rflags |= OCSP_RESPID_KEY; | |
208 | else if (!strcmp(*args, "-no_certs")) | |
209 | sign_flags |= OCSP_NOCERTS; | |
210 | else if (!strcmp(*args, "-no_signature_verify")) | |
211 | verify_flags |= OCSP_NOSIGS; | |
212 | else if (!strcmp(*args, "-no_cert_verify")) | |
213 | verify_flags |= OCSP_NOVERIFY; | |
214 | else if (!strcmp(*args, "-no_chain")) | |
215 | verify_flags |= OCSP_NOCHAIN; | |
216 | else if (!strcmp(*args, "-no_cert_checks")) | |
217 | verify_flags |= OCSP_NOCHECKS; | |
218 | else if (!strcmp(*args, "-no_explicit")) | |
219 | verify_flags |= OCSP_NOEXPLICIT; | |
220 | else if (!strcmp(*args, "-trust_other")) | |
221 | verify_flags |= OCSP_TRUSTOTHER; | |
222 | else if (!strcmp(*args, "-no_intern")) | |
223 | verify_flags |= OCSP_NOINTERN; | |
224 | else if (!strcmp(*args, "-text")) | |
225 | { | |
226 | req_text = 1; | |
227 | resp_text = 1; | |
228 | } | |
229 | else if (!strcmp(*args, "-req_text")) | |
230 | req_text = 1; | |
231 | else if (!strcmp(*args, "-resp_text")) | |
232 | resp_text = 1; | |
233 | else if (!strcmp(*args, "-reqin")) | |
234 | { | |
235 | if (args[1]) | |
236 | { | |
237 | args++; | |
238 | reqin = *args; | |
239 | } | |
240 | else badarg = 1; | |
241 | } | |
242 | else if (!strcmp(*args, "-respin")) | |
243 | { | |
244 | if (args[1]) | |
245 | { | |
246 | args++; | |
247 | respin = *args; | |
248 | } | |
249 | else badarg = 1; | |
250 | } | |
251 | else if (!strcmp(*args, "-signer")) | |
252 | { | |
253 | if (args[1]) | |
254 | { | |
255 | args++; | |
256 | signfile = *args; | |
257 | } | |
258 | else badarg = 1; | |
259 | } | |
260 | else if (!strcmp (*args, "-VAfile")) | |
261 | { | |
262 | if (args[1]) | |
263 | { | |
264 | args++; | |
265 | verify_certfile = *args; | |
266 | verify_flags |= OCSP_TRUSTOTHER; | |
267 | } | |
268 | else badarg = 1; | |
269 | } | |
270 | else if (!strcmp(*args, "-sign_other")) | |
271 | { | |
272 | if (args[1]) | |
273 | { | |
274 | args++; | |
275 | sign_certfile = *args; | |
276 | } | |
277 | else badarg = 1; | |
278 | } | |
279 | else if (!strcmp(*args, "-verify_other")) | |
280 | { | |
281 | if (args[1]) | |
282 | { | |
283 | args++; | |
284 | verify_certfile = *args; | |
285 | } | |
286 | else badarg = 1; | |
287 | } | |
288 | else if (!strcmp (*args, "-CAfile")) | |
289 | { | |
290 | if (args[1]) | |
291 | { | |
292 | args++; | |
293 | CAfile = *args; | |
294 | } | |
295 | else badarg = 1; | |
296 | } | |
297 | else if (!strcmp (*args, "-CApath")) | |
298 | { | |
299 | if (args[1]) | |
300 | { | |
301 | args++; | |
302 | CApath = *args; | |
303 | } | |
304 | else badarg = 1; | |
305 | } | |
306 | else if (!strcmp (*args, "-validity_period")) | |
307 | { | |
308 | if (args[1]) | |
309 | { | |
310 | args++; | |
311 | nsec = atol(*args); | |
312 | if (nsec < 0) | |
313 | { | |
314 | BIO_printf(bio_err, | |
315 | "Illegal validity period %s\n", | |
316 | *args); | |
317 | badarg = 1; | |
318 | } | |
319 | } | |
320 | else badarg = 1; | |
321 | } | |
322 | else if (!strcmp (*args, "-status_age")) | |
323 | { | |
324 | if (args[1]) | |
325 | { | |
326 | args++; | |
327 | maxage = atol(*args); | |
328 | if (maxage < 0) | |
329 | { | |
330 | BIO_printf(bio_err, | |
331 | "Illegal validity age %s\n", | |
332 | *args); | |
333 | badarg = 1; | |
334 | } | |
335 | } | |
336 | else badarg = 1; | |
337 | } | |
338 | else if (!strcmp(*args, "-signkey")) | |
339 | { | |
340 | if (args[1]) | |
341 | { | |
342 | args++; | |
343 | keyfile = *args; | |
344 | } | |
345 | else badarg = 1; | |
346 | } | |
347 | else if (!strcmp(*args, "-reqout")) | |
348 | { | |
349 | if (args[1]) | |
350 | { | |
351 | args++; | |
352 | reqout = *args; | |
353 | } | |
354 | else badarg = 1; | |
355 | } | |
356 | else if (!strcmp(*args, "-respout")) | |
357 | { | |
358 | if (args[1]) | |
359 | { | |
360 | args++; | |
361 | respout = *args; | |
362 | } | |
363 | else badarg = 1; | |
364 | } | |
365 | else if (!strcmp(*args, "-path")) | |
366 | { | |
367 | if (args[1]) | |
368 | { | |
369 | args++; | |
370 | path = *args; | |
371 | } | |
372 | else badarg = 1; | |
373 | } | |
374 | else if (!strcmp(*args, "-issuer")) | |
375 | { | |
376 | if (args[1]) | |
377 | { | |
378 | args++; | |
379 | X509_free(issuer); | |
380 | issuer = load_cert(bio_err, *args, FORMAT_PEM, | |
381 | NULL, e, "issuer certificate"); | |
382 | if(!issuer) goto end; | |
383 | } | |
384 | else badarg = 1; | |
385 | } | |
386 | else if (!strcmp (*args, "-cert")) | |
387 | { | |
388 | if (args[1]) | |
389 | { | |
390 | args++; | |
391 | X509_free(cert); | |
392 | cert = load_cert(bio_err, *args, FORMAT_PEM, | |
393 | NULL, e, "certificate"); | |
394 | if(!cert) goto end; | |
395 | if(!add_ocsp_cert(&req, cert, issuer, ids)) | |
396 | goto end; | |
397 | if(!sk_push(reqnames, *args)) | |
398 | goto end; | |
399 | } | |
400 | else badarg = 1; | |
401 | } | |
402 | else if (!strcmp(*args, "-serial")) | |
403 | { | |
404 | if (args[1]) | |
405 | { | |
406 | args++; | |
407 | if(!add_ocsp_serial(&req, *args, issuer, ids)) | |
408 | goto end; | |
409 | if(!sk_push(reqnames, *args)) | |
410 | goto end; | |
411 | } | |
412 | else badarg = 1; | |
413 | } | |
414 | else if (!strcmp(*args, "-index")) | |
415 | { | |
416 | if (args[1]) | |
417 | { | |
418 | args++; | |
419 | ridx_filename = *args; | |
420 | } | |
421 | else badarg = 1; | |
422 | } | |
423 | else if (!strcmp(*args, "-CA")) | |
424 | { | |
425 | if (args[1]) | |
426 | { | |
427 | args++; | |
428 | rca_filename = *args; | |
429 | } | |
430 | else badarg = 1; | |
431 | } | |
432 | else if (!strcmp (*args, "-nmin")) | |
433 | { | |
434 | if (args[1]) | |
435 | { | |
436 | args++; | |
437 | nmin = atol(*args); | |
438 | if (nmin < 0) | |
439 | { | |
440 | BIO_printf(bio_err, | |
441 | "Illegal update period %s\n", | |
442 | *args); | |
443 | badarg = 1; | |
444 | } | |
445 | } | |
446 | if (ndays == -1) | |
447 | ndays = 0; | |
448 | else badarg = 1; | |
449 | } | |
450 | else if (!strcmp (*args, "-nrequest")) | |
451 | { | |
452 | if (args[1]) | |
453 | { | |
454 | args++; | |
455 | accept_count = atol(*args); | |
456 | if (accept_count < 0) | |
457 | { | |
458 | BIO_printf(bio_err, | |
459 | "Illegal accept count %s\n", | |
460 | *args); | |
461 | badarg = 1; | |
462 | } | |
463 | } | |
464 | else badarg = 1; | |
465 | } | |
466 | else if (!strcmp (*args, "-ndays")) | |
467 | { | |
468 | if (args[1]) | |
469 | { | |
470 | args++; | |
471 | ndays = atol(*args); | |
472 | if (ndays < 0) | |
473 | { | |
474 | BIO_printf(bio_err, | |
475 | "Illegal update period %s\n", | |
476 | *args); | |
477 | badarg = 1; | |
478 | } | |
479 | } | |
480 | else badarg = 1; | |
481 | } | |
482 | else if (!strcmp(*args, "-rsigner")) | |
483 | { | |
484 | if (args[1]) | |
485 | { | |
486 | args++; | |
487 | rsignfile = *args; | |
488 | } | |
489 | else badarg = 1; | |
490 | } | |
491 | else if (!strcmp(*args, "-rkey")) | |
492 | { | |
493 | if (args[1]) | |
494 | { | |
495 | args++; | |
496 | rkeyfile = *args; | |
497 | } | |
498 | else badarg = 1; | |
499 | } | |
500 | else if (!strcmp(*args, "-rother")) | |
501 | { | |
502 | if (args[1]) | |
503 | { | |
504 | args++; | |
505 | rcertfile = *args; | |
506 | } | |
507 | else badarg = 1; | |
508 | } | |
509 | else badarg = 1; | |
510 | args++; | |
511 | } | |
512 | ||
513 | /* Have we anything to do? */ | |
514 | if (!req && !reqin && !respin && !(port && ridx_filename)) badarg = 1; | |
515 | ||
516 | if (badarg) | |
517 | { | |
518 | BIO_printf (bio_err, "OCSP utility\n"); | |
519 | BIO_printf (bio_err, "Usage ocsp [options]\n"); | |
520 | BIO_printf (bio_err, "where options are\n"); | |
521 | BIO_printf (bio_err, "-out file output filename\n"); | |
522 | BIO_printf (bio_err, "-issuer file issuer certificate\n"); | |
523 | BIO_printf (bio_err, "-cert file certificate to check\n"); | |
524 | BIO_printf (bio_err, "-serial n serial number to check\n"); | |
525 | BIO_printf (bio_err, "-signer file certificate to sign OCSP request with\n"); | |
526 | BIO_printf (bio_err, "-signkey file private key to sign OCSP request with\n"); | |
527 | BIO_printf (bio_err, "-sign_other file additional certificates to include in signed request\n"); | |
528 | BIO_printf (bio_err, "-no_certs don't include any certificates in signed request\n"); | |
529 | BIO_printf (bio_err, "-req_text print text form of request\n"); | |
530 | BIO_printf (bio_err, "-resp_text print text form of response\n"); | |
531 | BIO_printf (bio_err, "-text print text form of request and response\n"); | |
532 | BIO_printf (bio_err, "-reqout file write DER encoded OCSP request to \"file\"\n"); | |
533 | BIO_printf (bio_err, "-respout file write DER encoded OCSP reponse to \"file\"\n"); | |
534 | BIO_printf (bio_err, "-reqin file read DER encoded OCSP request from \"file\"\n"); | |
535 | BIO_printf (bio_err, "-respin file read DER encoded OCSP reponse from \"file\"\n"); | |
536 | BIO_printf (bio_err, "-nonce add OCSP nonce to request\n"); | |
537 | BIO_printf (bio_err, "-no_nonce don't add OCSP nonce to request\n"); | |
538 | BIO_printf (bio_err, "-url URL OCSP responder URL\n"); | |
539 | BIO_printf (bio_err, "-host host:n send OCSP request to host on port n\n"); | |
540 | BIO_printf (bio_err, "-path path to use in OCSP request\n"); | |
541 | BIO_printf (bio_err, "-CApath dir trusted certificates directory\n"); | |
542 | BIO_printf (bio_err, "-CAfile file trusted certificates file\n"); | |
543 | BIO_printf (bio_err, "-VAfile file validator certificates file\n"); | |
544 | BIO_printf (bio_err, "-validity_period n maximum validity discrepancy in seconds\n"); | |
545 | BIO_printf (bio_err, "-status_age n maximum status age in seconds\n"); | |
546 | BIO_printf (bio_err, "-noverify don't verify response at all\n"); | |
547 | BIO_printf (bio_err, "-verify_other file additional certificates to search for signer\n"); | |
548 | BIO_printf (bio_err, "-trust_other don't verify additional certificates\n"); | |
549 | BIO_printf (bio_err, "-no_intern don't search certificates contained in response for signer\n"); | |
550 | BIO_printf (bio_err, "-no_signature_verify don't check signature on response\n"); | |
551 | BIO_printf (bio_err, "-no_cert_verify don't check signing certificate\n"); | |
552 | BIO_printf (bio_err, "-no_chain don't chain verify response\n"); | |
553 | BIO_printf (bio_err, "-no_cert_checks don't do additional checks on signing certificate\n"); | |
554 | BIO_printf (bio_err, "-port num port to run responder on\n"); | |
555 | BIO_printf (bio_err, "-index file certificate status index file\n"); | |
556 | BIO_printf (bio_err, "-CA file CA certificate\n"); | |
557 | BIO_printf (bio_err, "-rsigner file responder certificate to sign responses with\n"); | |
558 | BIO_printf (bio_err, "-rkey file responder key to sign responses with\n"); | |
559 | BIO_printf (bio_err, "-rother file other certificates to include in response\n"); | |
560 | BIO_printf (bio_err, "-resp_no_certs don't include any certificates in response\n"); | |
561 | BIO_printf (bio_err, "-nmin n number of minutes before next update\n"); | |
562 | BIO_printf (bio_err, "-ndays n number of days before next update\n"); | |
563 | BIO_printf (bio_err, "-resp_key_id identify reponse by signing certificate key ID\n"); | |
564 | BIO_printf (bio_err, "-nrequest n number of requests to accept (default unlimited)\n"); | |
565 | goto end; | |
566 | } | |
567 | ||
568 | if(outfile) out = BIO_new_file(outfile, "w"); | |
569 | else out = BIO_new_fp(stdout, BIO_NOCLOSE); | |
570 | ||
571 | if(!out) | |
572 | { | |
573 | BIO_printf(bio_err, "Error opening output file\n"); | |
574 | goto end; | |
575 | } | |
576 | ||
577 | if (!req && (add_nonce != 2)) add_nonce = 0; | |
578 | ||
579 | if (!req && reqin) | |
580 | { | |
581 | derbio = BIO_new_file(reqin, "rb"); | |
582 | if (!derbio) | |
583 | { | |
584 | BIO_printf(bio_err, "Error Opening OCSP request file\n"); | |
585 | goto end; | |
586 | } | |
587 | req = d2i_OCSP_REQUEST_bio(derbio, NULL); | |
588 | BIO_free(derbio); | |
589 | if(!req) | |
590 | { | |
591 | BIO_printf(bio_err, "Error reading OCSP request\n"); | |
592 | goto end; | |
593 | } | |
594 | } | |
595 | ||
596 | if (!req && port) | |
597 | { | |
598 | acbio = init_responder(port); | |
599 | if (!acbio) | |
600 | goto end; | |
601 | } | |
602 | ||
603 | if (rsignfile && !rdb) | |
604 | { | |
605 | if (!rkeyfile) rkeyfile = rsignfile; | |
606 | rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM, | |
607 | NULL, e, "responder certificate"); | |
608 | if (!rsigner) | |
609 | { | |
610 | BIO_printf(bio_err, "Error loading responder certificate\n"); | |
611 | goto end; | |
612 | } | |
613 | rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM, | |
614 | NULL, e, "CA certificate"); | |
615 | if (rcertfile) | |
616 | { | |
617 | rother = load_certs(bio_err, rcertfile, FORMAT_PEM, | |
618 | NULL, e, "responder other certificates"); | |
619 | if (!rother) goto end; | |
620 | } | |
621 | rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL, | |
622 | "responder private key"); | |
623 | if (!rkey) | |
624 | goto end; | |
625 | } | |
626 | if(acbio) | |
627 | BIO_printf(bio_err, "Waiting for OCSP client connections...\n"); | |
628 | ||
629 | redo_accept: | |
630 | ||
631 | if (acbio) | |
632 | { | |
633 | if (!do_responder(&req, &cbio, acbio, port)) | |
634 | goto end; | |
635 | if (!req) | |
636 | { | |
637 | resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); | |
638 | send_ocsp_response(cbio, resp); | |
639 | goto done_resp; | |
640 | } | |
641 | } | |
642 | ||
643 | if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) | |
644 | { | |
645 | BIO_printf(bio_err, "Need an OCSP request for this operation!\n"); | |
646 | goto end; | |
647 | } | |
648 | ||
649 | if (req && add_nonce) OCSP_request_add1_nonce(req, NULL, -1); | |
650 | ||
651 | if (signfile) | |
652 | { | |
653 | if (!keyfile) keyfile = signfile; | |
654 | signer = load_cert(bio_err, signfile, FORMAT_PEM, | |
655 | NULL, e, "signer certificate"); | |
656 | if (!signer) | |
657 | { | |
658 | BIO_printf(bio_err, "Error loading signer certificate\n"); | |
659 | goto end; | |
660 | } | |
661 | if (sign_certfile) | |
662 | { | |
663 | sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM, | |
664 | NULL, e, "signer certificates"); | |
665 | if (!sign_other) goto end; | |
666 | } | |
667 | key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL, | |
668 | "signer private key"); | |
669 | if (!key) | |
670 | goto end; | |
671 | if (!OCSP_request_sign(req, signer, key, EVP_sha1(), sign_other, sign_flags)) | |
672 | { | |
673 | BIO_printf(bio_err, "Error signing OCSP request\n"); | |
674 | goto end; | |
675 | } | |
676 | } | |
677 | ||
678 | if (req_text && req) OCSP_REQUEST_print(out, req, 0); | |
679 | ||
680 | if (reqout) | |
681 | { | |
682 | derbio = BIO_new_file(reqout, "wb"); | |
683 | if(!derbio) | |
684 | { | |
685 | BIO_printf(bio_err, "Error opening file %s\n", reqout); | |
686 | goto end; | |
687 | } | |
688 | i2d_OCSP_REQUEST_bio(derbio, req); | |
689 | BIO_free(derbio); | |
690 | } | |
691 | ||
692 | if (ridx_filename && (!rkey || !rsigner || !rca_cert)) | |
693 | { | |
694 | BIO_printf(bio_err, "Need a responder certificate, key and CA for this operation!\n"); | |
695 | goto end; | |
696 | } | |
697 | ||
698 | if (ridx_filename && !rdb) | |
699 | { | |
700 | BIO *db_bio = NULL; | |
701 | db_bio = BIO_new_file(ridx_filename, "r"); | |
702 | if (!db_bio) | |
703 | { | |
704 | BIO_printf(bio_err, "Error opening index file %s\n", ridx_filename); | |
705 | goto end; | |
706 | } | |
707 | rdb = TXT_DB_read(db_bio, DB_NUMBER); | |
708 | BIO_free(db_bio); | |
709 | if (!rdb) | |
710 | { | |
711 | BIO_printf(bio_err, "Error reading index file %s\n", ridx_filename); | |
712 | goto end; | |
713 | } | |
714 | if (!make_serial_index(rdb)) | |
715 | goto end; | |
716 | } | |
717 | ||
718 | if (rdb) | |
719 | { | |
720 | i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, rother, rflags, nmin, ndays); | |
721 | if (cbio) | |
722 | send_ocsp_response(cbio, resp); | |
723 | } | |
724 | else if (host) | |
725 | { | |
726 | #ifndef OPENSSL_NO_SOCK | |
727 | cbio = BIO_new_connect(host); | |
728 | #else | |
729 | BIO_printf(bio_err, "Error creating connect BIO - sockets not supported.\n"); | |
730 | goto end; | |
731 | #endif | |
732 | if (!cbio) | |
733 | { | |
734 | BIO_printf(bio_err, "Error creating connect BIO\n"); | |
735 | goto end; | |
736 | } | |
737 | if (port) BIO_set_conn_port(cbio, port); | |
738 | if (use_ssl == 1) | |
739 | { | |
740 | BIO *sbio; | |
741 | #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) | |
742 | ctx = SSL_CTX_new(SSLv23_client_method()); | |
743 | #elif !defined(OPENSSL_NO_SSL3) | |
744 | ctx = SSL_CTX_new(SSLv3_client_method()); | |
745 | #elif !defined(OPENSSL_NO_SSL2) | |
746 | ctx = SSL_CTX_new(SSLv2_client_method()); | |
747 | #else | |
748 | BIO_printf(bio_err, "SSL is disabled\n"); | |
749 | goto end; | |
750 | #endif | |
751 | SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); | |
752 | sbio = BIO_new_ssl(ctx, 1); | |
753 | cbio = BIO_push(sbio, cbio); | |
754 | } | |
755 | if (BIO_do_connect(cbio) <= 0) | |
756 | { | |
757 | BIO_printf(bio_err, "Error connecting BIO\n"); | |
758 | goto end; | |
759 | } | |
760 | resp = OCSP_sendreq_bio(cbio, path, req); | |
761 | BIO_free_all(cbio); | |
762 | cbio = NULL; | |
763 | if (!resp) | |
764 | { | |
765 | BIO_printf(bio_err, "Error querying OCSP responsder\n"); | |
766 | goto end; | |
767 | } | |
768 | } | |
769 | else if (respin) | |
770 | { | |
771 | derbio = BIO_new_file(respin, "rb"); | |
772 | if (!derbio) | |
773 | { | |
774 | BIO_printf(bio_err, "Error Opening OCSP response file\n"); | |
775 | goto end; | |
776 | } | |
777 | resp = d2i_OCSP_RESPONSE_bio(derbio, NULL); | |
778 | BIO_free(derbio); | |
779 | if(!resp) | |
780 | { | |
781 | BIO_printf(bio_err, "Error reading OCSP response\n"); | |
782 | goto end; | |
783 | } | |
784 | ||
785 | } | |
786 | else | |
787 | { | |
788 | ret = 0; | |
789 | goto end; | |
790 | } | |
791 | ||
792 | done_resp: | |
793 | ||
794 | if (respout) | |
795 | { | |
796 | derbio = BIO_new_file(respout, "wb"); | |
797 | if(!derbio) | |
798 | { | |
799 | BIO_printf(bio_err, "Error opening file %s\n", respout); | |
800 | goto end; | |
801 | } | |
802 | i2d_OCSP_RESPONSE_bio(derbio, resp); | |
803 | BIO_free(derbio); | |
804 | } | |
805 | ||
806 | i = OCSP_response_status(resp); | |
807 | ||
808 | if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) | |
809 | { | |
810 | BIO_printf(out, "Responder Error: %s (%ld)\n", | |
811 | OCSP_response_status_str(i), i); | |
812 | ret = 0; | |
813 | goto end; | |
814 | } | |
815 | ||
816 | if (resp_text) OCSP_RESPONSE_print(out, resp, 0); | |
817 | ||
818 | /* If running as responder don't verify our own response */ | |
819 | if (cbio) | |
820 | { | |
821 | if (accept_count > 0) | |
822 | accept_count--; | |
823 | /* Redo if more connections needed */ | |
824 | if (accept_count) | |
825 | { | |
826 | BIO_free_all(cbio); | |
827 | cbio = NULL; | |
828 | OCSP_REQUEST_free(req); | |
829 | req = NULL; | |
830 | OCSP_RESPONSE_free(resp); | |
831 | resp = NULL; | |
832 | goto redo_accept; | |
833 | } | |
834 | goto end; | |
835 | } | |
836 | ||
837 | if (!store) | |
838 | store = setup_verify(bio_err, CAfile, CApath); | |
839 | if (!store) | |
840 | goto end; | |
841 | if (verify_certfile) | |
842 | { | |
843 | verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM, | |
844 | NULL, e, "validator certificate"); | |
845 | if (!verify_other) goto end; | |
846 | } | |
847 | ||
848 | bs = OCSP_response_get1_basic(resp); | |
849 | ||
850 | if (!bs) | |
851 | { | |
852 | BIO_printf(bio_err, "Error parsing response\n"); | |
853 | goto end; | |
854 | } | |
855 | ||
856 | if (!noverify) | |
857 | { | |
858 | if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) | |
859 | { | |
860 | if (i == -1) | |
861 | BIO_printf(bio_err, "WARNING: no nonce in response\n"); | |
862 | else | |
863 | { | |
864 | BIO_printf(bio_err, "Nonce Verify error\n"); | |
865 | goto end; | |
866 | } | |
867 | } | |
868 | ||
869 | i = OCSP_basic_verify(bs, verify_other, store, verify_flags); | |
870 | if (i < 0) i = OCSP_basic_verify(bs, NULL, store, 0); | |
871 | ||
872 | if(i <= 0) | |
873 | { | |
874 | BIO_printf(bio_err, "Response Verify Failure\n", i); | |
875 | ERR_print_errors(bio_err); | |
876 | } | |
877 | else | |
878 | BIO_printf(bio_err, "Response verify OK\n"); | |
879 | ||
880 | } | |
881 | ||
882 | if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage)) | |
883 | goto end; | |
884 | ||
885 | ret = 0; | |
886 | ||
887 | end: | |
888 | ERR_print_errors(bio_err); | |
889 | X509_free(signer); | |
890 | X509_STORE_free(store); | |
891 | EVP_PKEY_free(key); | |
892 | EVP_PKEY_free(rkey); | |
893 | X509_free(issuer); | |
894 | X509_free(cert); | |
895 | X509_free(rsigner); | |
896 | X509_free(rca_cert); | |
897 | TXT_DB_free(rdb); | |
898 | BIO_free_all(cbio); | |
899 | BIO_free_all(acbio); | |
900 | BIO_free(out); | |
901 | OCSP_REQUEST_free(req); | |
902 | OCSP_RESPONSE_free(resp); | |
903 | OCSP_BASICRESP_free(bs); | |
904 | sk_free(reqnames); | |
905 | sk_OCSP_CERTID_free(ids); | |
906 | sk_X509_pop_free(sign_other, X509_free); | |
907 | sk_X509_pop_free(verify_other, X509_free); | |
908 | ||
909 | if (use_ssl != -1) | |
910 | { | |
911 | OPENSSL_free(host); | |
912 | OPENSSL_free(port); | |
913 | OPENSSL_free(path); | |
914 | SSL_CTX_free(ctx); | |
915 | } | |
916 | ||
917 | OPENSSL_EXIT(ret); | |
918 | } | |
919 | ||
920 | static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer, | |
921 | STACK_OF(OCSP_CERTID) *ids) | |
922 | { | |
923 | OCSP_CERTID *id; | |
924 | if(!issuer) | |
925 | { | |
926 | BIO_printf(bio_err, "No issuer certificate specified\n"); | |
927 | return 0; | |
928 | } | |
929 | if(!*req) *req = OCSP_REQUEST_new(); | |
930 | if(!*req) goto err; | |
931 | id = OCSP_cert_to_id(NULL, cert, issuer); | |
932 | if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err; | |
933 | if(!OCSP_request_add0_id(*req, id)) goto err; | |
934 | return 1; | |
935 | ||
936 | err: | |
937 | BIO_printf(bio_err, "Error Creating OCSP request\n"); | |
938 | return 0; | |
939 | } | |
940 | ||
941 | static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer, | |
942 | STACK_OF(OCSP_CERTID) *ids) | |
943 | { | |
944 | OCSP_CERTID *id; | |
945 | X509_NAME *iname; | |
946 | ASN1_BIT_STRING *ikey; | |
947 | ASN1_INTEGER *sno; | |
948 | if(!issuer) | |
949 | { | |
950 | BIO_printf(bio_err, "No issuer certificate specified\n"); | |
951 | return 0; | |
952 | } | |
953 | if(!*req) *req = OCSP_REQUEST_new(); | |
954 | if(!*req) goto err; | |
955 | iname = X509_get_subject_name(issuer); | |
956 | ikey = X509_get0_pubkey_bitstr(issuer); | |
957 | sno = s2i_ASN1_INTEGER(NULL, serial); | |
958 | if(!sno) | |
959 | { | |
960 | BIO_printf(bio_err, "Error converting serial number %s\n", serial); | |
961 | return 0; | |
962 | } | |
963 | id = OCSP_cert_id_new(EVP_sha1(), iname, ikey, sno); | |
964 | ASN1_INTEGER_free(sno); | |
965 | if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err; | |
966 | if(!OCSP_request_add0_id(*req, id)) goto err; | |
967 | return 1; | |
968 | ||
969 | err: | |
970 | BIO_printf(bio_err, "Error Creating OCSP request\n"); | |
971 | return 0; | |
972 | } | |
973 | ||
974 | static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, | |
975 | STACK *names, STACK_OF(OCSP_CERTID) *ids, | |
976 | long nsec, long maxage) | |
977 | { | |
978 | OCSP_CERTID *id; | |
979 | char *name; | |
980 | int i; | |
981 | ||
982 | int status, reason; | |
983 | ||
984 | ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd; | |
985 | ||
986 | if (!bs || !req || !sk_num(names) || !sk_OCSP_CERTID_num(ids)) | |
987 | return 1; | |
988 | ||
989 | for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) | |
990 | { | |
991 | id = sk_OCSP_CERTID_value(ids, i); | |
992 | name = sk_value(names, i); | |
993 | BIO_printf(out, "%s: ", name); | |
994 | ||
995 | if(!OCSP_resp_find_status(bs, id, &status, &reason, | |
996 | &rev, &thisupd, &nextupd)) | |
997 | { | |
998 | BIO_puts(out, "ERROR: No Status found.\n"); | |
999 | continue; | |
1000 | } | |
1001 | ||
1002 | /* Check validity: if invalid write to output BIO so we | |
1003 | * know which response this refers to. | |
1004 | */ | |
1005 | if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) | |
1006 | { | |
1007 | BIO_puts(out, "WARNING: Status times invalid.\n"); | |
1008 | ERR_print_errors(out); | |
1009 | } | |
1010 | BIO_printf(out, "%s\n", OCSP_cert_status_str(status)); | |
1011 | ||
1012 | BIO_puts(out, "\tThis Update: "); | |
1013 | ASN1_GENERALIZEDTIME_print(out, thisupd); | |
1014 | BIO_puts(out, "\n"); | |
1015 | ||
1016 | if(nextupd) | |
1017 | { | |
1018 | BIO_puts(out, "\tNext Update: "); | |
1019 | ASN1_GENERALIZEDTIME_print(out, nextupd); | |
1020 | BIO_puts(out, "\n"); | |
1021 | } | |
1022 | ||
1023 | if (status != V_OCSP_CERTSTATUS_REVOKED) | |
1024 | continue; | |
1025 | ||
1026 | if (reason != -1) | |
1027 | BIO_printf(out, "\tReason: %s\n", | |
1028 | OCSP_crl_reason_str(reason)); | |
1029 | ||
1030 | BIO_puts(out, "\tRevocation Time: "); | |
1031 | ASN1_GENERALIZEDTIME_print(out, rev); | |
1032 | BIO_puts(out, "\n"); | |
1033 | } | |
1034 | ||
1035 | return 1; | |
1036 | } | |
1037 | ||
1038 | ||
1039 | static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, TXT_DB *db, | |
1040 | X509 *ca, X509 *rcert, EVP_PKEY *rkey, | |
1041 | STACK_OF(X509) *rother, unsigned long flags, | |
1042 | int nmin, int ndays) | |
1043 | { | |
1044 | ASN1_TIME *thisupd = NULL, *nextupd = NULL; | |
1045 | OCSP_CERTID *cid, *ca_id = NULL; | |
1046 | OCSP_BASICRESP *bs = NULL; | |
1047 | int i, id_count, ret = 1; | |
1048 | ||
1049 | ||
1050 | id_count = OCSP_request_onereq_count(req); | |
1051 | ||
1052 | if (id_count <= 0) | |
1053 | { | |
1054 | *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); | |
1055 | goto end; | |
1056 | } | |
1057 | ||
1058 | ca_id = OCSP_cert_to_id(EVP_sha1(), NULL, ca); | |
1059 | ||
1060 | bs = OCSP_BASICRESP_new(); | |
1061 | thisupd = X509_gmtime_adj(NULL, 0); | |
1062 | if (ndays != -1) | |
1063 | nextupd = X509_gmtime_adj(NULL, nmin * 60 + ndays * 3600 * 24 ); | |
1064 | ||
1065 | /* Examine each certificate id in the request */ | |
1066 | for (i = 0; i < id_count; i++) | |
1067 | { | |
1068 | OCSP_ONEREQ *one; | |
1069 | ASN1_INTEGER *serial; | |
1070 | char **inf; | |
1071 | one = OCSP_request_onereq_get0(req, i); | |
1072 | cid = OCSP_onereq_get0_id(one); | |
1073 | /* Is this request about our CA? */ | |
1074 | if (OCSP_id_issuer_cmp(ca_id, cid)) | |
1075 | { | |
1076 | OCSP_basic_add1_status(bs, cid, | |
1077 | V_OCSP_CERTSTATUS_UNKNOWN, | |
1078 | 0, NULL, | |
1079 | thisupd, nextupd); | |
1080 | continue; | |
1081 | } | |
1082 | OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid); | |
1083 | inf = lookup_serial(db, serial); | |
1084 | if (!inf) | |
1085 | OCSP_basic_add1_status(bs, cid, | |
1086 | V_OCSP_CERTSTATUS_UNKNOWN, | |
1087 | 0, NULL, | |
1088 | thisupd, nextupd); | |
1089 | else if (inf[DB_type][0] == DB_TYPE_VAL) | |
1090 | OCSP_basic_add1_status(bs, cid, | |
1091 | V_OCSP_CERTSTATUS_GOOD, | |
1092 | 0, NULL, | |
1093 | thisupd, nextupd); | |
1094 | else if (inf[DB_type][0] == DB_TYPE_REV) | |
1095 | { | |
1096 | ASN1_OBJECT *inst = NULL; | |
1097 | ASN1_TIME *revtm = NULL; | |
1098 | ASN1_GENERALIZEDTIME *invtm = NULL; | |
1099 | OCSP_SINGLERESP *single; | |
1100 | int reason = -1; | |
1101 | unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]); | |
1102 | single = OCSP_basic_add1_status(bs, cid, | |
1103 | V_OCSP_CERTSTATUS_REVOKED, | |
1104 | reason, revtm, | |
1105 | thisupd, nextupd); | |
1106 | if (invtm) | |
1107 | OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, invtm, 0, 0); | |
1108 | else if (inst) | |
1109 | OCSP_SINGLERESP_add1_ext_i2d(single, NID_hold_instruction_code, inst, 0, 0); | |
1110 | ASN1_OBJECT_free(inst); | |
1111 | ASN1_TIME_free(revtm); | |
1112 | ASN1_GENERALIZEDTIME_free(invtm); | |
1113 | } | |
1114 | } | |
1115 | ||
1116 | OCSP_copy_nonce(bs, req); | |
1117 | ||
1118 | OCSP_basic_sign(bs, rcert, rkey, EVP_sha1(), rother, flags); | |
1119 | ||
1120 | *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs); | |
1121 | ||
1122 | end: | |
1123 | ASN1_TIME_free(thisupd); | |
1124 | ASN1_TIME_free(nextupd); | |
1125 | OCSP_CERTID_free(ca_id); | |
1126 | OCSP_BASICRESP_free(bs); | |
1127 | return ret; | |
1128 | ||
1129 | } | |
1130 | ||
1131 | static char **lookup_serial(TXT_DB *db, ASN1_INTEGER *ser) | |
1132 | { | |
1133 | int i; | |
1134 | BIGNUM *bn = NULL; | |
1135 | char *itmp, *row[DB_NUMBER],**rrow; | |
1136 | for (i = 0; i < DB_NUMBER; i++) row[i] = NULL; | |
1137 | bn = ASN1_INTEGER_to_BN(ser,NULL); | |
1138 | if (BN_is_zero(bn)) | |
1139 | itmp = BUF_strdup("00"); | |
1140 | else | |
1141 | itmp = BN_bn2hex(bn); | |
1142 | row[DB_serial] = itmp; | |
1143 | BN_free(bn); | |
1144 | rrow=TXT_DB_get_by_index(db,DB_serial,row); | |
1145 | OPENSSL_free(itmp); | |
1146 | return rrow; | |
1147 | } | |
1148 | ||
1149 | /* Quick and dirty OCSP server: read in and parse input request */ | |
1150 | ||
1151 | static BIO *init_responder(char *port) | |
1152 | { | |
1153 | BIO *acbio = NULL, *bufbio = NULL; | |
1154 | bufbio = BIO_new(BIO_f_buffer()); | |
1155 | if (!bufbio) | |
1156 | goto err; | |
1157 | #ifndef OPENSSL_NO_SOCK | |
1158 | acbio = BIO_new_accept(port); | |
1159 | #else | |
1160 | BIO_printf(bio_err, "Error setting up accept BIO - sockets not supported.\n"); | |
1161 | #endif | |
1162 | if (!acbio) | |
1163 | goto err; | |
1164 | BIO_set_accept_bios(acbio, bufbio); | |
1165 | bufbio = NULL; | |
1166 | ||
1167 | if (BIO_do_accept(acbio) <= 0) | |
1168 | { | |
1169 | BIO_printf(bio_err, "Error setting up accept BIO\n"); | |
1170 | ERR_print_errors(bio_err); | |
1171 | goto err; | |
1172 | } | |
1173 | ||
1174 | return acbio; | |
1175 | ||
1176 | err: | |
1177 | BIO_free_all(acbio); | |
1178 | BIO_free(bufbio); | |
1179 | return NULL; | |
1180 | } | |
1181 | ||
1182 | static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port) | |
1183 | { | |
1184 | int have_post = 0, len; | |
1185 | OCSP_REQUEST *req = NULL; | |
1186 | char inbuf[1024]; | |
1187 | BIO *cbio = NULL; | |
1188 | ||
1189 | if (BIO_do_accept(acbio) <= 0) | |
1190 | { | |
1191 | BIO_printf(bio_err, "Error accepting connection\n"); | |
1192 | ERR_print_errors(bio_err); | |
1193 | return 0; | |
1194 | } | |
1195 | ||
1196 | cbio = BIO_pop(acbio); | |
1197 | *pcbio = cbio; | |
1198 | ||
1199 | for(;;) | |
1200 | { | |
1201 | len = BIO_gets(cbio, inbuf, sizeof inbuf); | |
1202 | if (len <= 0) | |
1203 | return 1; | |
1204 | /* Look for "POST" signalling start of query */ | |
1205 | if (!have_post) | |
1206 | { | |
1207 | if(strncmp(inbuf, "POST", 4)) | |
1208 | { | |
1209 | BIO_printf(bio_err, "Invalid request\n"); | |
1210 | return 1; | |
1211 | } | |
1212 | have_post = 1; | |
1213 | } | |
1214 | /* Look for end of headers */ | |
1215 | if ((inbuf[0] == '\r') || (inbuf[0] == '\n')) | |
1216 | break; | |
1217 | } | |
1218 | ||
1219 | /* Try to read OCSP request */ | |
1220 | ||
1221 | req = d2i_OCSP_REQUEST_bio(cbio, NULL); | |
1222 | ||
1223 | if (!req) | |
1224 | { | |
1225 | BIO_printf(bio_err, "Error parsing OCSP request\n"); | |
1226 | ERR_print_errors(bio_err); | |
1227 | } | |
1228 | ||
1229 | *preq = req; | |
1230 | ||
1231 | return 1; | |
1232 | ||
1233 | } | |
1234 | ||
1235 | static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp) | |
1236 | { | |
1237 | char http_resp[] = | |
1238 | "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n" | |
1239 | "Content-Length: %d\r\n\r\n"; | |
1240 | if (!cbio) | |
1241 | return 0; | |
1242 | BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL)); | |
1243 | i2d_OCSP_RESPONSE_bio(cbio, resp); | |
1244 | BIO_flush(cbio); | |
1245 | return 1; | |
1246 | } | |
1247 | ||
1248 | #endif |