File: | src/usr.bin/openssl/ocsp.c |
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1 | /* $OpenBSD: ocsp.c,v 1.23 2023/03/06 14:32:06 tb Exp $ */ |
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 | #include <sys/types.h> |
61 | |
62 | #include <stdio.h> |
63 | #include <stdlib.h> |
64 | #include <limits.h> |
65 | #include <string.h> |
66 | #include <poll.h> |
67 | #include <time.h> |
68 | |
69 | /* Needs to be included before the openssl headers! */ |
70 | #include "apps.h" |
71 | |
72 | #include <openssl/bn.h> |
73 | #include <openssl/crypto.h> |
74 | #include <openssl/err.h> |
75 | #include <openssl/evp.h> |
76 | #include <openssl/ssl.h> |
77 | #include <openssl/x509v3.h> |
78 | |
79 | /* Maximum leeway in validity period: default 5 minutes */ |
80 | #define MAX_VALIDITY_PERIOD(5 * 60) (5 * 60) |
81 | |
82 | static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, |
83 | const EVP_MD *cert_id_md, X509 *issuer, STACK_OF(OCSP_CERTID)struct stack_st_OCSP_CERTID *ids); |
84 | static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, |
85 | const EVP_MD *cert_id_md, X509 *issuer, STACK_OF(OCSP_CERTID)struct stack_st_OCSP_CERTID *ids); |
86 | static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, |
87 | STACK_OF(OPENSSL_STRING)struct stack_st_OPENSSL_STRING *names, STACK_OF(OCSP_CERTID)struct stack_st_OCSP_CERTID *ids, long nsec, |
88 | long maxage); |
89 | |
90 | static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, |
91 | CA_DB *db, X509 *ca, X509 *rcert, EVP_PKEY *rkey, STACK_OF(X509)struct stack_st_X509 *rother, |
92 | unsigned long flags, int nmin, int ndays); |
93 | |
94 | static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser); |
95 | static BIO *init_responder(char *port); |
96 | static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, |
97 | char *port); |
98 | static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp); |
99 | static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, |
100 | STACK_OF(CONF_VALUE)struct stack_st_CONF_VALUE *headers, const char *host, OCSP_REQUEST *req, |
101 | int req_timeout); |
102 | |
103 | static struct { |
104 | int accept_count; |
105 | int add_nonce; |
106 | char *CAfile; |
107 | char *CApath; |
108 | X509 *cert; |
109 | const EVP_MD *cert_id_md; |
110 | STACK_OF(CONF_VALUE)struct stack_st_CONF_VALUE *headers; |
111 | char *host; |
112 | STACK_OF(OCSP_CERTID)struct stack_st_OCSP_CERTID *ids; |
113 | int ignore_err; |
114 | X509 *issuer; |
115 | char *keyfile; |
116 | long maxage; |
117 | int ndays; |
118 | int nmin; |
119 | int no_usage; |
120 | int noverify; |
121 | long nsec; |
122 | char *outfile; |
123 | char *path; |
124 | char *port; |
125 | char *rca_filename; |
126 | char *rcertfile; |
127 | OCSP_REQUEST *req; |
128 | int req_text; |
129 | int req_timeout; |
130 | char *reqin; |
131 | STACK_OF(OPENSSL_STRING)struct stack_st_OPENSSL_STRING *reqnames; |
132 | char *reqout; |
133 | int resp_text; |
134 | char *respin; |
135 | char *respout; |
136 | unsigned long rflags; |
137 | char *ridx_filename; |
138 | char *rkeyfile; |
139 | char *rsignfile; |
140 | char *sign_certfile; |
141 | unsigned long sign_flags; |
142 | char *signfile; |
143 | int use_ssl; |
144 | char *verify_certfile; |
145 | unsigned long verify_flags; |
146 | } cfg; |
147 | |
148 | static int |
149 | ocsp_opt_cert(char *arg) |
150 | { |
151 | X509_free(cfg.cert); |
152 | cfg.cert = load_cert(bio_err, arg, FORMAT_PEM3, NULL((void *)0), |
153 | "certificate"); |
154 | if (cfg.cert == NULL((void *)0)) { |
155 | cfg.no_usage = 1; |
156 | return (1); |
157 | } |
158 | if (cfg.cert_id_md == NULL((void *)0)) |
159 | cfg.cert_id_md = EVP_sha1(); |
160 | if (!add_ocsp_cert(&cfg.req, cfg.cert, |
161 | cfg.cert_id_md, cfg.issuer, cfg.ids)) { |
162 | cfg.no_usage = 1; |
163 | return (1); |
164 | } |
165 | if (!sk_OPENSSL_STRING_push(cfg.reqnames, arg)sk_push(((_STACK*) (1 ? cfg.reqnames : (struct stack_st_OPENSSL_STRING *)0)), ((void*) (1 ? arg : (char*)0)))) { |
166 | cfg.no_usage = 1; |
167 | return (1); |
168 | } |
169 | return (0); |
170 | } |
171 | |
172 | static int |
173 | ocsp_opt_cert_id_md(int argc, char **argv, int *argsused) |
174 | { |
175 | char *name = argv[0]; |
176 | |
177 | if (*name++ != '-') |
178 | return (1); |
179 | |
180 | if ((cfg.cert_id_md = EVP_get_digestbyname(name)) == NULL((void *)0)) |
181 | return (1); |
182 | |
183 | *argsused = 1; |
184 | return (0); |
185 | } |
186 | |
187 | static int |
188 | ocsp_opt_header(int argc, char **argv, int *argsused) |
189 | { |
190 | if (argc < 3 || argv[1] == NULL((void *)0) || argv[2] == NULL((void *)0)) |
191 | return (1); |
192 | |
193 | if (!X509V3_add_value(argv[1], argv[2], &cfg.headers)) { |
194 | cfg.no_usage = 1; |
195 | return (1); |
196 | } |
197 | |
198 | *argsused = 3; |
199 | return (0); |
200 | } |
201 | |
202 | static int |
203 | ocsp_opt_host(char *arg) |
204 | { |
205 | if (cfg.use_ssl != -1) |
206 | return (1); |
207 | |
208 | cfg.host = arg; |
209 | return (0); |
210 | } |
211 | |
212 | static int |
213 | ocsp_opt_issuer(char *arg) |
214 | { |
215 | X509_free(cfg.issuer); |
216 | cfg.issuer = load_cert(bio_err, arg, FORMAT_PEM3, NULL((void *)0), |
217 | "issuer certificate"); |
218 | if (cfg.issuer == NULL((void *)0)) { |
219 | cfg.no_usage = 1; |
220 | return (1); |
221 | } |
222 | return (0); |
223 | } |
224 | |
225 | static int |
226 | ocsp_opt_ndays(char *arg) |
227 | { |
228 | const char *errstr = NULL((void *)0); |
229 | |
230 | cfg.ndays = strtonum(arg, 0, INT_MAX0x7fffffff, &errstr); |
231 | if (errstr != NULL((void *)0)) { |
232 | BIO_printf(bio_err, "Illegal update period %s: %s\n", |
233 | arg, errstr); |
234 | return (1); |
235 | } |
236 | return (0); |
237 | } |
238 | |
239 | static int |
240 | ocsp_opt_nmin(char *arg) |
241 | { |
242 | const char *errstr = NULL((void *)0); |
243 | |
244 | cfg.nmin = strtonum(arg, 0, INT_MAX0x7fffffff, &errstr); |
245 | if (errstr != NULL((void *)0)) { |
246 | BIO_printf(bio_err, "Illegal update period %s: %s\n", |
247 | arg, errstr); |
248 | return (1); |
249 | } |
250 | |
251 | if (cfg.ndays != -1) |
252 | return (1); |
253 | |
254 | cfg.ndays = 0; |
255 | return (0); |
256 | } |
257 | |
258 | static int |
259 | ocsp_opt_nrequest(char *arg) |
260 | { |
261 | const char *errstr = NULL((void *)0); |
262 | |
263 | cfg.accept_count = strtonum(arg, 0, INT_MAX0x7fffffff, &errstr); |
264 | if (errstr != NULL((void *)0)) { |
265 | BIO_printf(bio_err, "Illegal accept count %s: %s\n", |
266 | arg, errstr); |
267 | return (1); |
268 | } |
269 | return (0); |
270 | } |
271 | |
272 | static int |
273 | ocsp_opt_port(char *arg) |
274 | { |
275 | if (cfg.use_ssl != -1) |
276 | return (1); |
277 | |
278 | cfg.port = arg; |
279 | return (0); |
280 | } |
281 | |
282 | static int |
283 | ocsp_opt_serial(char *arg) |
284 | { |
285 | if (cfg.cert_id_md == NULL((void *)0)) |
286 | cfg.cert_id_md = EVP_sha1(); |
287 | if (!add_ocsp_serial(&cfg.req, arg, cfg.cert_id_md, |
288 | cfg.issuer, cfg.ids)) { |
289 | cfg.no_usage = 1; |
290 | return (1); |
291 | } |
292 | if (!sk_OPENSSL_STRING_push(cfg.reqnames, arg)sk_push(((_STACK*) (1 ? cfg.reqnames : (struct stack_st_OPENSSL_STRING *)0)), ((void*) (1 ? arg : (char*)0)))) { |
293 | cfg.no_usage = 1; |
294 | return (1); |
295 | } |
296 | return (0); |
297 | } |
298 | |
299 | static int |
300 | ocsp_opt_status_age(char *arg) |
301 | { |
302 | const char *errstr = NULL((void *)0); |
303 | |
304 | cfg.maxage = strtonum(arg, 0, LONG_MAX0x7fffffffffffffffL, &errstr); |
305 | if (errstr != NULL((void *)0)) { |
306 | BIO_printf(bio_err, "Illegal validity age %s: %s\n", |
307 | arg, errstr); |
308 | return (1); |
309 | } |
310 | return (0); |
311 | } |
312 | |
313 | static int |
314 | ocsp_opt_text(void) |
315 | { |
316 | cfg.req_text = 1; |
317 | cfg.resp_text = 1; |
318 | return (0); |
319 | } |
320 | |
321 | static int |
322 | ocsp_opt_timeout(char *arg) |
323 | { |
324 | const char *errstr = NULL((void *)0); |
325 | |
326 | cfg.req_timeout = strtonum(arg, 0, INT_MAX0x7fffffff, &errstr); |
327 | if (errstr != NULL((void *)0)) { |
328 | BIO_printf(bio_err, "Illegal timeout value %s: %s\n", |
329 | arg, errstr); |
330 | return (1); |
331 | } |
332 | return (0); |
333 | } |
334 | |
335 | static int |
336 | ocsp_opt_url(char *arg) |
337 | { |
338 | if (cfg.host == NULL((void *)0) && cfg.port == NULL((void *)0) && |
339 | cfg.path == NULL((void *)0)) { |
340 | if (!OCSP_parse_url(arg, &cfg.host, &cfg.port, |
341 | &cfg.path, &cfg.use_ssl)) { |
342 | BIO_printf(bio_err, "Error parsing URL\n"); |
343 | return (1); |
344 | } |
345 | } |
346 | return (0); |
347 | } |
348 | |
349 | static int |
350 | ocsp_opt_vafile(char *arg) |
351 | { |
352 | cfg.verify_certfile = arg; |
353 | cfg.verify_flags |= OCSP_TRUSTOTHER0x200; |
354 | return (0); |
355 | } |
356 | |
357 | static int |
358 | ocsp_opt_validity_period(char *arg) |
359 | { |
360 | const char *errstr = NULL((void *)0); |
361 | |
362 | cfg.nsec = strtonum(arg, 0, LONG_MAX0x7fffffffffffffffL, &errstr); |
363 | if (errstr != NULL((void *)0)) { |
364 | BIO_printf(bio_err, "Illegal validity period %s: %s\n", |
365 | arg, errstr); |
366 | return (1); |
367 | } |
368 | return (0); |
369 | } |
370 | |
371 | static const struct option ocsp_options[] = { |
372 | { |
373 | .name = "CA", |
374 | .argname = "file", |
375 | .desc = "CA certificate corresponding to the revocation information", |
376 | .type = OPTION_ARG, |
377 | .opt.arg = &cfg.rca_filename, |
378 | }, |
379 | { |
380 | .name = "CAfile", |
381 | .argname = "file", |
382 | .desc = "Trusted certificates file", |
383 | .type = OPTION_ARG, |
384 | .opt.arg = &cfg.CAfile, |
385 | }, |
386 | { |
387 | .name = "CApath", |
388 | .argname = "directory", |
389 | .desc = "Trusted certificates directory", |
390 | .type = OPTION_ARG, |
391 | .opt.arg = &cfg.CApath, |
392 | }, |
393 | { |
394 | .name = "cert", |
395 | .argname = "file", |
396 | .desc = "Certificate to check", |
397 | .type = OPTION_ARG_FUNC, |
398 | .opt.argfunc = ocsp_opt_cert, |
399 | }, |
400 | { |
401 | .name = "header", |
402 | .argname = "name value", |
403 | .desc = "Add the header name with the value to the request", |
404 | .type = OPTION_ARGV_FUNC, |
405 | .opt.argvfunc = ocsp_opt_header, |
406 | }, |
407 | { |
408 | .name = "host", |
409 | .argname = "hostname:port", |
410 | .desc = "Send OCSP request to host on port", |
411 | .type = OPTION_ARG_FUNC, |
412 | .opt.argfunc = ocsp_opt_host, |
413 | }, |
414 | { |
415 | .name = "ignore_err", |
416 | .desc = "Ignore the invalid response", |
417 | .type = OPTION_FLAG, |
418 | .opt.flag = &cfg.ignore_err, |
419 | }, |
420 | { |
421 | .name = "index", |
422 | .argname = "indexfile", |
423 | .desc = "Certificate status index file", |
424 | .type = OPTION_ARG, |
425 | .opt.arg = &cfg.ridx_filename, |
426 | }, |
427 | { |
428 | .name = "issuer", |
429 | .argname = "file", |
430 | .desc = "Issuer certificate", |
431 | .type = OPTION_ARG_FUNC, |
432 | .opt.argfunc = ocsp_opt_issuer, |
433 | }, |
434 | { |
435 | .name = "ndays", |
436 | .argname = "days", |
437 | .desc = "Number of days before next update", |
438 | .type = OPTION_ARG_FUNC, |
439 | .opt.argfunc = ocsp_opt_ndays, |
440 | }, |
441 | { |
442 | .name = "nmin", |
443 | .argname = "minutes", |
444 | .desc = "Number of minutes before next update", |
445 | .type = OPTION_ARG_FUNC, |
446 | .opt.argfunc = ocsp_opt_nmin, |
447 | }, |
448 | { |
449 | .name = "no_cert_checks", |
450 | .desc = "Don't do additional checks on signing certificate", |
451 | .type = OPTION_UL_VALUE_OR, |
452 | .opt.ulvalue = &cfg.verify_flags, |
453 | .ulvalue = OCSP_NOCHECKS0x100, |
454 | }, |
455 | { |
456 | .name = "no_cert_verify", |
457 | .desc = "Don't check signing certificate", |
458 | .type = OPTION_UL_VALUE_OR, |
459 | .opt.ulvalue = &cfg.verify_flags, |
460 | .ulvalue = OCSP_NOVERIFY0x10, |
461 | }, |
462 | { |
463 | .name = "no_certs", |
464 | .desc = "Don't include any certificates in signed request", |
465 | .type = OPTION_UL_VALUE_OR, |
466 | .opt.ulvalue = &cfg.sign_flags, |
467 | .ulvalue = OCSP_NOCERTS0x1, |
468 | }, |
469 | { |
470 | .name = "no_chain", |
471 | .desc = "Don't use certificates in the response", |
472 | .type = OPTION_UL_VALUE_OR, |
473 | .opt.ulvalue = &cfg.verify_flags, |
474 | .ulvalue = OCSP_NOCHAIN0x8, |
475 | }, |
476 | { |
477 | .name = "no_explicit", |
478 | .desc = "Don't check the explicit trust for OCSP signing", |
479 | .type = OPTION_UL_VALUE_OR, |
480 | .opt.ulvalue = &cfg.verify_flags, |
481 | .ulvalue = OCSP_NOEXPLICIT0x20, |
482 | }, |
483 | { |
484 | .name = "no_intern", |
485 | .desc = "Don't search certificates contained in response for signer", |
486 | .type = OPTION_UL_VALUE_OR, |
487 | .opt.ulvalue = &cfg.verify_flags, |
488 | .ulvalue = OCSP_NOINTERN0x2, |
489 | }, |
490 | { |
491 | .name = "no_nonce", |
492 | .desc = "Don't add OCSP nonce to request", |
493 | .type = OPTION_VALUE, |
494 | .opt.value = &cfg.add_nonce, |
495 | .value = 0, |
496 | }, |
497 | { |
498 | .name = "no_signature_verify", |
499 | .desc = "Don't check signature on response", |
500 | .type = OPTION_UL_VALUE_OR, |
501 | .opt.ulvalue = &cfg.verify_flags, |
502 | .ulvalue = OCSP_NOSIGS0x4, |
503 | }, |
504 | { |
505 | .name = "nonce", |
506 | .desc = "Add OCSP nonce to request", |
507 | .type = OPTION_VALUE, |
508 | .opt.value = &cfg.add_nonce, |
509 | .value = 2, |
510 | }, |
511 | { |
512 | .name = "noverify", |
513 | .desc = "Don't verify response at all", |
514 | .type = OPTION_FLAG, |
515 | .opt.flag = &cfg.noverify, |
516 | }, |
517 | { |
518 | .name = "nrequest", |
519 | .argname = "number", |
520 | .desc = "Number of requests to accept (default unlimited)", |
521 | .type = OPTION_ARG_FUNC, |
522 | .opt.argfunc = ocsp_opt_nrequest, |
523 | }, |
524 | { |
525 | .name = "out", |
526 | .argname = "file", |
527 | .desc = "Output filename", |
528 | .type = OPTION_ARG, |
529 | .opt.arg = &cfg.outfile, |
530 | }, |
531 | { |
532 | .name = "path", |
533 | .argname = "path", |
534 | .desc = "Path to use in OCSP request", |
535 | .type = OPTION_ARG, |
536 | .opt.arg = &cfg.path, |
537 | }, |
538 | { |
539 | .name = "port", |
540 | .argname = "portnum", |
541 | .desc = "Port to run responder on", |
542 | .type = OPTION_ARG_FUNC, |
543 | .opt.argfunc = ocsp_opt_port, |
544 | }, |
545 | { |
546 | .name = "req_text", |
547 | .desc = "Print text form of request", |
548 | .type = OPTION_FLAG, |
549 | .opt.flag = &cfg.req_text, |
550 | }, |
551 | { |
552 | .name = "reqin", |
553 | .argname = "file", |
554 | .desc = "Read DER encoded OCSP request from \"file\"", |
555 | .type = OPTION_ARG, |
556 | .opt.arg = &cfg.reqin, |
557 | }, |
558 | { |
559 | .name = "reqout", |
560 | .argname = "file", |
561 | .desc = "Write DER encoded OCSP request to \"file\"", |
562 | .type = OPTION_ARG, |
563 | .opt.arg = &cfg.reqout, |
564 | }, |
565 | { |
566 | .name = "resp_key_id", |
567 | .desc = "Identify response by signing certificate key ID", |
568 | .type = OPTION_UL_VALUE_OR, |
569 | .opt.ulvalue = &cfg.rflags, |
570 | .ulvalue = OCSP_RESPID_KEY0x400, |
571 | }, |
572 | { |
573 | .name = "resp_no_certs", |
574 | .desc = "Don't include any certificates in response", |
575 | .type = OPTION_UL_VALUE_OR, |
576 | .opt.ulvalue = &cfg.rflags, |
577 | .ulvalue = OCSP_NOCERTS0x1, |
578 | }, |
579 | { |
580 | .name = "resp_text", |
581 | .desc = "Print text form of response", |
582 | .type = OPTION_FLAG, |
583 | .opt.flag = &cfg.resp_text, |
584 | }, |
585 | { |
586 | .name = "respin", |
587 | .argname = "file", |
588 | .desc = "Read DER encoded OCSP response from \"file\"", |
589 | .type = OPTION_ARG, |
590 | .opt.arg = &cfg.respin, |
591 | }, |
592 | { |
593 | .name = "respout", |
594 | .argname = "file", |
595 | .desc = "Write DER encoded OCSP response to \"file\"", |
596 | .type = OPTION_ARG, |
597 | .opt.arg = &cfg.respout, |
598 | }, |
599 | { |
600 | .name = "rkey", |
601 | .argname = "file", |
602 | .desc = "Responder key to sign responses with", |
603 | .type = OPTION_ARG, |
604 | .opt.arg = &cfg.rkeyfile, |
605 | }, |
606 | { |
607 | .name = "rother", |
608 | .argname = "file", |
609 | .desc = "Other certificates to include in response", |
610 | .type = OPTION_ARG, |
611 | .opt.arg = &cfg.rcertfile, |
612 | }, |
613 | { |
614 | .name = "rsigner", |
615 | .argname = "file", |
616 | .desc = "Responder certificate to sign responses with", |
617 | .type = OPTION_ARG, |
618 | .opt.arg = &cfg.rsignfile, |
619 | }, |
620 | { |
621 | .name = "serial", |
622 | .argname = "num", |
623 | .desc = "Serial number to check", |
624 | .type = OPTION_ARG_FUNC, |
625 | .opt.argfunc = ocsp_opt_serial, |
626 | }, |
627 | { |
628 | .name = "sign_other", |
629 | .argname = "file", |
630 | .desc = "Additional certificates to include in signed request", |
631 | .type = OPTION_ARG, |
632 | .opt.arg = &cfg.sign_certfile, |
633 | }, |
634 | { |
635 | .name = "signer", |
636 | .argname = "file", |
637 | .desc = "Certificate to sign OCSP request with", |
638 | .type = OPTION_ARG, |
639 | .opt.arg = &cfg.signfile, |
640 | }, |
641 | { |
642 | .name = "signkey", |
643 | .argname = "file", |
644 | .desc = "Private key to sign OCSP request with", |
645 | .type = OPTION_ARG, |
646 | .opt.arg = &cfg.keyfile, |
647 | }, |
648 | { |
649 | .name = "status_age", |
650 | .argname = "age", |
651 | .desc = "Maximum status age in seconds", |
652 | .type = OPTION_ARG_FUNC, |
653 | .opt.argfunc = ocsp_opt_status_age, |
654 | }, |
655 | { |
656 | .name = "text", |
657 | .desc = "Print text form of request and response", |
658 | .type = OPTION_FUNC, |
659 | .opt.func = ocsp_opt_text, |
660 | }, |
661 | { |
662 | .name = "timeout", |
663 | .argname = "seconds", |
664 | .desc = "Connection timeout to the OCSP responder in seconds", |
665 | .type = OPTION_ARG_FUNC, |
666 | .opt.argfunc = ocsp_opt_timeout, |
667 | }, |
668 | { |
669 | .name = "trust_other", |
670 | .desc = "Don't verify additional certificates", |
671 | .type = OPTION_UL_VALUE_OR, |
672 | .opt.ulvalue = &cfg.verify_flags, |
673 | .ulvalue = OCSP_TRUSTOTHER0x200, |
674 | }, |
675 | { |
676 | .name = "url", |
677 | .argname = "responder_url", |
678 | .desc = "OCSP responder URL", |
679 | .type = OPTION_ARG_FUNC, |
680 | .opt.argfunc = ocsp_opt_url, |
681 | }, |
682 | { |
683 | .name = "VAfile", |
684 | .argname = "file", |
685 | .desc = "Explicitly trusted responder certificates", |
686 | .type = OPTION_ARG_FUNC, |
687 | .opt.argfunc = ocsp_opt_vafile, |
688 | }, |
689 | { |
690 | .name = "validity_period", |
691 | .argname = "n", |
692 | .desc = "Maximum validity discrepancy in seconds", |
693 | .type = OPTION_ARG_FUNC, |
694 | .opt.argfunc = ocsp_opt_validity_period, |
695 | }, |
696 | { |
697 | .name = "verify_other", |
698 | .argname = "file", |
699 | .desc = "Additional certificates to search for signer", |
700 | .type = OPTION_ARG, |
701 | .opt.arg = &cfg.verify_certfile, |
702 | }, |
703 | { |
704 | .name = NULL((void *)0), |
705 | .desc = "", |
706 | .type = OPTION_ARGV_FUNC, |
707 | .opt.argvfunc = ocsp_opt_cert_id_md, |
708 | }, |
709 | { NULL((void *)0) }, |
710 | }; |
711 | |
712 | static void |
713 | ocsp_usage(void) |
714 | { |
715 | fprintf(stderr(&__sF[2]), "usage: ocsp " |
716 | "[-CA file] [-CAfile file] [-CApath directory] [-cert file]\n" |
717 | " [-dgst alg] [-header name value] [-host hostname:port]\n" |
718 | " [-ignore_err] [-index indexfile] [-issuer file]\n" |
719 | " [-ndays days] [-nmin minutes] [-no_cert_checks]\n" |
720 | " [-no_cert_verify] [-no_certs] [-no_chain] [-no_explicit]\n" |
721 | " [-no_intern] [-no_nonce] [-no_signature_verify] [-nonce]\n" |
722 | " [-noverify] [-nrequest number] [-out file] [-path path]\n" |
723 | " [-port portnum] [-req_text] [-reqin file] [-reqout file]\n" |
724 | " [-resp_key_id] [-resp_no_certs] [-resp_text] [-respin file]\n" |
725 | " [-respout file] [-rkey file] [-rother file] [-rsigner file]\n" |
726 | " [-serial num] [-sign_other file] [-signer file]\n" |
727 | " [-signkey file] [-status_age age] [-text]\n" |
728 | " [-timeout seconds] [-trust_other] [-url responder_url]\n" |
729 | " [-VAfile file] [-validity_period nsec] [-verify_other file]\n"); |
730 | fprintf(stderr(&__sF[2]), "\n"); |
731 | options_usage(ocsp_options); |
732 | fprintf(stderr(&__sF[2]), "\n"); |
733 | } |
734 | |
735 | int |
736 | ocsp_main(int argc, char **argv) |
737 | { |
738 | OCSP_RESPONSE *resp = NULL((void *)0); |
739 | OCSP_BASICRESP *bs = NULL((void *)0); |
740 | X509 *signer = NULL((void *)0), *rsigner = NULL((void *)0); |
741 | EVP_PKEY *key = NULL((void *)0), *rkey = NULL((void *)0); |
742 | BIO *acbio = NULL((void *)0), *cbio = NULL((void *)0); |
743 | BIO *derbio = NULL((void *)0); |
744 | BIO *out = NULL((void *)0); |
745 | X509_STORE *store = NULL((void *)0); |
746 | STACK_OF(X509)struct stack_st_X509 *sign_other = NULL((void *)0), *verify_other = NULL((void *)0), *rother = NULL((void *)0); |
747 | int ret = 1; |
748 | int badarg = 0; |
749 | int i; |
750 | X509 *rca_cert = NULL((void *)0); |
751 | CA_DB *rdb = NULL((void *)0); |
752 | |
753 | if (pledge("stdio cpath wpath rpath inet dns tty", NULL((void *)0)) == -1) { |
754 | perror("pledge"); |
755 | exit(1); |
756 | } |
757 | |
758 | memset(&cfg, 0, sizeof(cfg)); |
759 | cfg.accept_count = -1; |
760 | cfg.add_nonce = 1; |
761 | if ((cfg.ids = sk_OCSP_CERTID_new_null()((struct stack_st_OCSP_CERTID *)sk_new_null())) == NULL((void *)0)) |
762 | goto end; |
763 | cfg.maxage = -1; |
764 | cfg.ndays = -1; |
765 | cfg.nsec = MAX_VALIDITY_PERIOD(5 * 60); |
766 | cfg.req_timeout = -1; |
767 | if ((cfg.reqnames = sk_OPENSSL_STRING_new_null()((struct stack_st_OPENSSL_STRING *)sk_new_null())) == NULL((void *)0)) |
768 | goto end; |
769 | cfg.use_ssl = -1; |
770 | |
771 | if (options_parse(argc, argv, ocsp_options, NULL((void *)0), NULL((void *)0)) != 0) { |
772 | if (cfg.no_usage) |
773 | goto end; |
774 | else |
775 | badarg = 1; |
776 | } |
777 | |
778 | /* Have we anything to do? */ |
779 | if (!cfg.req && !cfg.reqin && !cfg.respin && |
780 | !(cfg.port && cfg.ridx_filename)) |
781 | badarg = 1; |
782 | |
783 | if (badarg) { |
784 | ocsp_usage(); |
785 | goto end; |
786 | } |
787 | if (cfg.outfile) |
788 | out = BIO_new_file(cfg.outfile, "w"); |
789 | else |
790 | out = BIO_new_fp(stdout(&__sF[1]), BIO_NOCLOSE0x00); |
791 | |
792 | if (!out) { |
793 | BIO_printf(bio_err, "Error opening output file\n"); |
794 | goto end; |
795 | } |
796 | if (!cfg.req && (cfg.add_nonce != 2)) |
797 | cfg.add_nonce = 0; |
798 | |
799 | if (!cfg.req && cfg.reqin) { |
800 | derbio = BIO_new_file(cfg.reqin, "rb"); |
801 | if (!derbio) { |
802 | BIO_printf(bio_err, |
803 | "Error Opening OCSP request file\n"); |
804 | goto end; |
805 | } |
806 | cfg.req = d2i_OCSP_REQUEST_bio(derbio, NULL((void *)0)); |
807 | BIO_free(derbio); |
808 | if (!cfg.req) { |
809 | BIO_printf(bio_err, "Error reading OCSP request\n"); |
810 | goto end; |
811 | } |
812 | } |
813 | if (!cfg.req && cfg.port) { |
814 | acbio = init_responder(cfg.port); |
815 | if (!acbio) |
816 | goto end; |
817 | } |
818 | if (cfg.rsignfile && !rdb) { |
819 | if (!cfg.rkeyfile) |
820 | cfg.rkeyfile = cfg.rsignfile; |
821 | rsigner = load_cert(bio_err, cfg.rsignfile, FORMAT_PEM3, |
822 | NULL((void *)0), "responder certificate"); |
823 | if (!rsigner) { |
824 | BIO_printf(bio_err, |
825 | "Error loading responder certificate\n"); |
826 | goto end; |
827 | } |
828 | rca_cert = load_cert(bio_err, cfg.rca_filename, |
829 | FORMAT_PEM3, NULL((void *)0), "CA certificate"); |
830 | if (cfg.rcertfile) { |
831 | rother = load_certs(bio_err, cfg.rcertfile, |
832 | FORMAT_PEM3, NULL((void *)0), "responder other certificates"); |
833 | if (!rother) |
834 | goto end; |
835 | } |
836 | rkey = load_key(bio_err, cfg.rkeyfile, FORMAT_PEM3, 0, |
837 | NULL((void *)0), "responder private key"); |
838 | if (!rkey) |
839 | goto end; |
840 | } |
841 | if (acbio) |
842 | BIO_printf(bio_err, "Waiting for OCSP client connections...\n"); |
843 | |
844 | redo_accept: |
845 | |
846 | if (acbio) { |
847 | if (!do_responder(&cfg.req, &cbio, acbio, |
848 | cfg.port)) |
849 | goto end; |
850 | if (!cfg.req) { |
851 | resp = OCSP_response_create( |
852 | OCSP_RESPONSE_STATUS_MALFORMEDREQUEST1, NULL((void *)0)); |
853 | send_ocsp_response(cbio, resp); |
854 | goto done_resp; |
855 | } |
856 | } |
857 | if (!cfg.req && |
858 | (cfg.signfile || cfg.reqout || cfg.host || |
859 | cfg.add_nonce || cfg.ridx_filename)) { |
860 | BIO_printf(bio_err, |
861 | "Need an OCSP request for this operation!\n"); |
862 | goto end; |
863 | } |
864 | if (cfg.req && cfg.add_nonce) |
865 | OCSP_request_add1_nonce(cfg.req, NULL((void *)0), -1); |
866 | |
867 | if (cfg.signfile) { |
868 | if (!cfg.keyfile) |
869 | cfg.keyfile = cfg.signfile; |
870 | signer = load_cert(bio_err, cfg.signfile, FORMAT_PEM3, |
871 | NULL((void *)0), "signer certificate"); |
872 | if (!signer) { |
873 | BIO_printf(bio_err, |
874 | "Error loading signer certificate\n"); |
875 | goto end; |
876 | } |
877 | if (cfg.sign_certfile) { |
878 | sign_other = load_certs(bio_err, |
879 | cfg.sign_certfile, FORMAT_PEM3, NULL((void *)0), |
880 | "signer certificates"); |
881 | if (!sign_other) |
882 | goto end; |
883 | } |
884 | key = load_key(bio_err, cfg.keyfile, FORMAT_PEM3, 0, |
885 | NULL((void *)0), "signer private key"); |
886 | if (!key) |
887 | goto end; |
888 | |
889 | if (!OCSP_request_sign(cfg.req, signer, key, NULL((void *)0), |
890 | sign_other, cfg.sign_flags)) { |
891 | BIO_printf(bio_err, "Error signing OCSP request\n"); |
892 | goto end; |
893 | } |
894 | } |
895 | if (cfg.req_text && cfg.req) |
896 | OCSP_REQUEST_print(out, cfg.req, 0); |
897 | |
898 | if (cfg.reqout) { |
899 | derbio = BIO_new_file(cfg.reqout, "wb"); |
900 | if (!derbio) { |
901 | BIO_printf(bio_err, "Error opening file %s\n", |
902 | cfg.reqout); |
903 | goto end; |
904 | } |
905 | i2d_OCSP_REQUEST_bio(derbio, cfg.req); |
906 | BIO_free(derbio); |
907 | } |
908 | if (cfg.ridx_filename && (!rkey || !rsigner || !rca_cert)) { |
909 | BIO_printf(bio_err, |
910 | "Need a responder certificate, key and CA for this operation!\n"); |
911 | goto end; |
912 | } |
913 | if (cfg.ridx_filename && !rdb) { |
914 | rdb = load_index(cfg.ridx_filename, NULL((void *)0)); |
915 | if (!rdb) |
916 | goto end; |
917 | if (!index_index(rdb)) |
918 | goto end; |
919 | } |
920 | if (rdb) { |
921 | i = make_ocsp_response(&resp, cfg.req, rdb, rca_cert, |
Value stored to 'i' is never read | |
922 | rsigner, rkey, rother, cfg.rflags, |
923 | cfg.nmin, cfg.ndays); |
924 | if (cbio) |
925 | send_ocsp_response(cbio, resp); |
926 | } else if (cfg.host) { |
927 | resp = process_responder(bio_err, cfg.req, |
928 | cfg.host, |
929 | cfg.path ? cfg.path : "/", |
930 | cfg.port, cfg.use_ssl, cfg.headers, |
931 | cfg.req_timeout); |
932 | if (!resp) |
933 | goto end; |
934 | } else if (cfg.respin) { |
935 | derbio = BIO_new_file(cfg.respin, "rb"); |
936 | if (!derbio) { |
937 | BIO_printf(bio_err, |
938 | "Error Opening OCSP response file\n"); |
939 | goto end; |
940 | } |
941 | resp = d2i_OCSP_RESPONSE_bio(derbio, NULL((void *)0)); |
942 | BIO_free(derbio); |
943 | if (!resp) { |
944 | BIO_printf(bio_err, "Error reading OCSP response\n"); |
945 | goto end; |
946 | } |
947 | } else { |
948 | ret = 0; |
949 | goto end; |
950 | } |
951 | |
952 | done_resp: |
953 | |
954 | if (cfg.respout) { |
955 | derbio = BIO_new_file(cfg.respout, "wb"); |
956 | if (!derbio) { |
957 | BIO_printf(bio_err, "Error opening file %s\n", |
958 | cfg.respout); |
959 | goto end; |
960 | } |
961 | i2d_OCSP_RESPONSE_bio(derbio, resp); |
962 | BIO_free(derbio); |
963 | } |
964 | i = OCSP_response_status(resp); |
965 | |
966 | if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL0) { |
967 | BIO_printf(bio_err, "Responder Error: %s (%d)\n", |
968 | OCSP_response_status_str(i), i); |
969 | if (cfg.ignore_err) |
970 | goto redo_accept; |
971 | ret = 1; |
972 | goto end; |
973 | } |
974 | if (cfg.resp_text) |
975 | OCSP_RESPONSE_print(out, resp, 0); |
976 | |
977 | /* If running as responder don't verify our own response */ |
978 | if (cbio) { |
979 | if (cfg.accept_count > 0) |
980 | cfg.accept_count--; |
981 | /* Redo if more connections needed */ |
982 | if (cfg.accept_count) { |
983 | BIO_free_all(cbio); |
984 | cbio = NULL((void *)0); |
985 | OCSP_REQUEST_free(cfg.req); |
986 | cfg.req = NULL((void *)0); |
987 | OCSP_RESPONSE_free(resp); |
988 | resp = NULL((void *)0); |
989 | goto redo_accept; |
990 | } |
991 | goto end; |
992 | } |
993 | if (!store) |
994 | store = setup_verify(bio_err, cfg.CAfile, |
995 | cfg.CApath); |
996 | if (!store) |
997 | goto end; |
998 | if (cfg.verify_certfile) { |
999 | verify_other = load_certs(bio_err, cfg.verify_certfile, |
1000 | FORMAT_PEM3, NULL((void *)0), "validator certificate"); |
1001 | if (!verify_other) |
1002 | goto end; |
1003 | } |
1004 | bs = OCSP_response_get1_basic(resp); |
1005 | |
1006 | if (!bs) { |
1007 | BIO_printf(bio_err, "Error parsing response\n"); |
1008 | goto end; |
1009 | } |
1010 | if (!cfg.noverify) { |
1011 | if (cfg.req && |
1012 | ((i = OCSP_check_nonce(cfg.req, bs)) <= 0)) { |
1013 | if (i == -1) { |
1014 | BIO_printf(bio_err, |
1015 | "WARNING: no nonce in response\n"); |
1016 | } else { |
1017 | BIO_printf(bio_err, "Nonce Verify error\n"); |
1018 | goto end; |
1019 | } |
1020 | } |
1021 | i = OCSP_basic_verify(bs, verify_other, store, |
1022 | cfg.verify_flags); |
1023 | if (i < 0) |
1024 | i = OCSP_basic_verify(bs, NULL((void *)0), store, 0); |
1025 | |
1026 | if (i <= 0) { |
1027 | BIO_printf(bio_err, "Response Verify Failure\n"); |
1028 | ERR_print_errors(bio_err); |
1029 | } else { |
1030 | BIO_printf(bio_err, "Response verify OK\n"); |
1031 | } |
1032 | } |
1033 | if (!print_ocsp_summary(out, bs, cfg.req, cfg.reqnames, |
1034 | cfg.ids, cfg.nsec, cfg.maxage)) |
1035 | goto end; |
1036 | |
1037 | ret = 0; |
1038 | |
1039 | end: |
1040 | ERR_print_errors(bio_err); |
1041 | X509_free(signer); |
1042 | X509_STORE_free(store); |
1043 | EVP_PKEY_free(key); |
1044 | EVP_PKEY_free(rkey); |
1045 | X509_free(cfg.issuer); |
1046 | X509_free(cfg.cert); |
1047 | X509_free(rsigner); |
1048 | X509_free(rca_cert); |
1049 | free_index(rdb); |
1050 | BIO_free_all(cbio); |
1051 | BIO_free_all(acbio); |
1052 | BIO_free(out); |
1053 | OCSP_REQUEST_free(cfg.req); |
1054 | OCSP_RESPONSE_free(resp); |
1055 | OCSP_BASICRESP_free(bs); |
1056 | sk_OPENSSL_STRING_free(cfg.reqnames)sk_free(((_STACK*) (1 ? cfg.reqnames : (struct stack_st_OPENSSL_STRING *)0))); |
1057 | sk_OCSP_CERTID_free(cfg.ids)sk_free(((_STACK*) (1 ? (cfg.ids) : (struct stack_st_OCSP_CERTID *)0))); |
1058 | sk_X509_pop_free(sign_other, X509_free)sk_pop_free(((_STACK*) (1 ? (sign_other) : (struct stack_st_X509 *)0)), ((void (*)(void *)) ((1 ? (X509_free) : (void (*)(X509 *))0)))); |
1059 | sk_X509_pop_free(verify_other, X509_free)sk_pop_free(((_STACK*) (1 ? (verify_other) : (struct stack_st_X509 *)0)), ((void (*)(void *)) ((1 ? (X509_free) : (void (*)(X509 *))0)))); |
1060 | sk_CONF_VALUE_pop_free(cfg.headers, X509V3_conf_free)sk_pop_free(((_STACK*) (1 ? (cfg.headers) : (struct stack_st_CONF_VALUE *)0)), ((void (*)(void *)) ((1 ? (X509V3_conf_free) : (void ( *)(CONF_VALUE *))0)))); |
1061 | |
1062 | if (cfg.use_ssl != -1) { |
1063 | free(cfg.host); |
1064 | free(cfg.port); |
1065 | free(cfg.path); |
1066 | } |
1067 | return (ret); |
1068 | } |
1069 | |
1070 | static int |
1071 | add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_md, |
1072 | X509 *issuer, STACK_OF(OCSP_CERTID)struct stack_st_OCSP_CERTID *ids) |
1073 | { |
1074 | OCSP_CERTID *id; |
1075 | |
1076 | if (!issuer) { |
1077 | BIO_printf(bio_err, "No issuer certificate specified\n"); |
1078 | return 0; |
1079 | } |
1080 | if (!*req) |
1081 | *req = OCSP_REQUEST_new(); |
1082 | if (!*req) |
1083 | goto err; |
1084 | id = OCSP_cert_to_id(cert_id_md, cert, issuer); |
1085 | if (!id || !sk_OCSP_CERTID_push(ids, id)sk_push(((_STACK*) (1 ? (ids) : (struct stack_st_OCSP_CERTID* )0)), ((void*) (1 ? (id) : (OCSP_CERTID*)0)))) |
1086 | goto err; |
1087 | if (!OCSP_request_add0_id(*req, id)) |
1088 | goto err; |
1089 | return 1; |
1090 | |
1091 | err: |
1092 | BIO_printf(bio_err, "Error Creating OCSP request\n"); |
1093 | return 0; |
1094 | } |
1095 | |
1096 | static int |
1097 | add_ocsp_serial(OCSP_REQUEST **req, char *serial, const EVP_MD *cert_id_md, |
1098 | X509 *issuer, STACK_OF(OCSP_CERTID)struct stack_st_OCSP_CERTID *ids) |
1099 | { |
1100 | OCSP_CERTID *id; |
1101 | X509_NAME *iname; |
1102 | ASN1_BIT_STRING *ikey; |
1103 | ASN1_INTEGER *sno; |
1104 | |
1105 | if (!issuer) { |
1106 | BIO_printf(bio_err, "No issuer certificate specified\n"); |
1107 | return 0; |
1108 | } |
1109 | if (!*req) |
1110 | *req = OCSP_REQUEST_new(); |
1111 | if (!*req) |
1112 | goto err; |
1113 | iname = X509_get_subject_name(issuer); |
1114 | ikey = X509_get0_pubkey_bitstr(issuer); |
1115 | sno = s2i_ASN1_INTEGER(NULL((void *)0), serial); |
1116 | if (!sno) { |
1117 | BIO_printf(bio_err, "Error converting serial number %s\n", |
1118 | serial); |
1119 | return 0; |
1120 | } |
1121 | id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno); |
1122 | ASN1_INTEGER_free(sno); |
1123 | if (!id || !sk_OCSP_CERTID_push(ids, id)sk_push(((_STACK*) (1 ? (ids) : (struct stack_st_OCSP_CERTID* )0)), ((void*) (1 ? (id) : (OCSP_CERTID*)0)))) |
1124 | goto err; |
1125 | if (!OCSP_request_add0_id(*req, id)) |
1126 | goto err; |
1127 | return 1; |
1128 | |
1129 | err: |
1130 | BIO_printf(bio_err, "Error Creating OCSP request\n"); |
1131 | return 0; |
1132 | } |
1133 | |
1134 | static int |
1135 | print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, |
1136 | STACK_OF(OPENSSL_STRING)struct stack_st_OPENSSL_STRING *names, STACK_OF(OCSP_CERTID)struct stack_st_OCSP_CERTID *ids, long nsec, |
1137 | long maxage) |
1138 | { |
1139 | OCSP_CERTID *id; |
1140 | char *name; |
1141 | int i; |
1142 | int status, reason; |
1143 | |
1144 | ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd; |
1145 | |
1146 | if (!bs || !req || !sk_OPENSSL_STRING_num(names)sk_num(((_STACK*) (1 ? names : (struct stack_st_OPENSSL_STRING *)0))) || |
1147 | !sk_OCSP_CERTID_num(ids)sk_num(((_STACK*) (1 ? (ids) : (struct stack_st_OCSP_CERTID*) 0)))) |
1148 | return 1; |
1149 | |
1150 | for (i = 0; i < sk_OCSP_CERTID_num(ids)sk_num(((_STACK*) (1 ? (ids) : (struct stack_st_OCSP_CERTID*) 0))); i++) { |
1151 | id = sk_OCSP_CERTID_value(ids, i)((OCSP_CERTID *)sk_value(((_STACK*) (1 ? (ids) : (struct stack_st_OCSP_CERTID *)0)), (i))); |
1152 | name = sk_OPENSSL_STRING_value(names, i)((OPENSSL_STRING)sk_value(((_STACK*) (1 ? names : (struct stack_st_OPENSSL_STRING *)0)), i)); |
1153 | BIO_printf(out, "%s: ", name); |
1154 | |
1155 | if (!OCSP_resp_find_status(bs, id, &status, &reason, |
1156 | &rev, &thisupd, &nextupd)) { |
1157 | BIO_puts(out, "ERROR: No Status found.\n"); |
1158 | continue; |
1159 | } |
1160 | /* |
1161 | * Check validity: if invalid write to output BIO so we know |
1162 | * which response this refers to. |
1163 | */ |
1164 | if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) { |
1165 | BIO_puts(out, "WARNING: Status times invalid.\n"); |
1166 | ERR_print_errors(out); |
1167 | } |
1168 | BIO_printf(out, "%s\n", OCSP_cert_status_str(status)); |
1169 | |
1170 | BIO_puts(out, "\tThis Update: "); |
1171 | ASN1_GENERALIZEDTIME_print(out, thisupd); |
1172 | BIO_puts(out, "\n"); |
1173 | |
1174 | if (nextupd) { |
1175 | BIO_puts(out, "\tNext Update: "); |
1176 | ASN1_GENERALIZEDTIME_print(out, nextupd); |
1177 | BIO_puts(out, "\n"); |
1178 | } |
1179 | if (status != V_OCSP_CERTSTATUS_REVOKED1) |
1180 | continue; |
1181 | |
1182 | if (reason != -1) |
1183 | BIO_printf(out, "\tReason: %s\n", |
1184 | OCSP_crl_reason_str(reason)); |
1185 | |
1186 | BIO_puts(out, "\tRevocation Time: "); |
1187 | ASN1_GENERALIZEDTIME_print(out, rev); |
1188 | BIO_puts(out, "\n"); |
1189 | } |
1190 | |
1191 | return 1; |
1192 | } |
1193 | |
1194 | |
1195 | static int |
1196 | make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db, |
1197 | X509 *ca, X509 *rcert, EVP_PKEY *rkey, STACK_OF(X509)struct stack_st_X509 *rother, |
1198 | unsigned long flags, int nmin, int ndays) |
1199 | { |
1200 | ASN1_TIME *thisupd = NULL((void *)0), *nextupd = NULL((void *)0); |
1201 | OCSP_CERTID *cid, *ca_id = NULL((void *)0); |
1202 | OCSP_BASICRESP *bs = NULL((void *)0); |
1203 | int i, id_count, ret = 1; |
1204 | |
1205 | id_count = OCSP_request_onereq_count(req); |
1206 | |
1207 | if (id_count <= 0) { |
1208 | *resp = OCSP_response_create( |
1209 | OCSP_RESPONSE_STATUS_MALFORMEDREQUEST1, NULL((void *)0)); |
1210 | goto end; |
1211 | } |
1212 | bs = OCSP_BASICRESP_new(); |
1213 | thisupd = X509_gmtime_adj(NULL((void *)0), 0); |
1214 | if (ndays != -1) |
1215 | nextupd = X509_gmtime_adj(NULL((void *)0), nmin * 60 + ndays * 3600 * 24); |
1216 | |
1217 | /* Examine each certificate id in the request */ |
1218 | for (i = 0; i < id_count; i++) { |
1219 | OCSP_ONEREQ *one; |
1220 | ASN1_INTEGER *serial; |
1221 | char **inf; |
1222 | ASN1_OBJECT *cert_id_md_oid; |
1223 | const EVP_MD *cert_id_md; |
1224 | one = OCSP_request_onereq_get0(req, i); |
1225 | cid = OCSP_onereq_get0_id(one); |
1226 | |
1227 | OCSP_id_get0_info(NULL((void *)0), &cert_id_md_oid, NULL((void *)0), NULL((void *)0), cid); |
1228 | |
1229 | cert_id_md = EVP_get_digestbyobj(cert_id_md_oid)EVP_get_digestbyname(OBJ_nid2sn(OBJ_obj2nid(cert_id_md_oid))); |
1230 | if (!cert_id_md) { |
1231 | *resp = OCSP_response_create( |
1232 | OCSP_RESPONSE_STATUS_INTERNALERROR2, NULL((void *)0)); |
1233 | goto end; |
1234 | } |
1235 | OCSP_CERTID_free(ca_id); |
1236 | ca_id = OCSP_cert_to_id(cert_id_md, NULL((void *)0), ca); |
1237 | |
1238 | /* Is this request about our CA? */ |
1239 | if (OCSP_id_issuer_cmp(ca_id, cid)) { |
1240 | OCSP_basic_add1_status(bs, cid, |
1241 | V_OCSP_CERTSTATUS_UNKNOWN2, 0, NULL((void *)0), |
1242 | thisupd, nextupd); |
1243 | continue; |
1244 | } |
1245 | OCSP_id_get0_info(NULL((void *)0), NULL((void *)0), NULL((void *)0), &serial, cid); |
1246 | inf = lookup_serial(db, serial); |
1247 | if (!inf) { |
1248 | OCSP_basic_add1_status(bs, cid, |
1249 | V_OCSP_CERTSTATUS_UNKNOWN2, 0, NULL((void *)0), |
1250 | thisupd, nextupd); |
1251 | } else if (inf[DB_type0][0] == DB_TYPE_VAL'V') { |
1252 | OCSP_basic_add1_status(bs, cid, |
1253 | V_OCSP_CERTSTATUS_GOOD0, 0, NULL((void *)0), |
1254 | thisupd, nextupd); |
1255 | } else if (inf[DB_type0][0] == DB_TYPE_REV'R') { |
1256 | ASN1_OBJECT *inst = NULL((void *)0); |
1257 | ASN1_TIME *revtm = NULL((void *)0); |
1258 | ASN1_GENERALIZEDTIME *invtm = NULL((void *)0); |
1259 | OCSP_SINGLERESP *single; |
1260 | int reason = -1; |
1261 | |
1262 | unpack_revinfo(&revtm, &reason, &inst, &invtm, |
1263 | inf[DB_rev_date2]); |
1264 | single = OCSP_basic_add1_status(bs, cid, |
1265 | V_OCSP_CERTSTATUS_REVOKED1, |
1266 | reason, revtm, |
1267 | thisupd, nextupd); |
1268 | if (invtm) |
1269 | OCSP_SINGLERESP_add1_ext_i2d(single, |
1270 | NID_invalidity_date142, invtm, 0, 0); |
1271 | else if (inst) |
1272 | OCSP_SINGLERESP_add1_ext_i2d(single, |
1273 | NID_hold_instruction_code430, inst, 0, 0); |
1274 | ASN1_OBJECT_free(inst); |
1275 | ASN1_TIME_free(revtm); |
1276 | ASN1_GENERALIZEDTIME_free(invtm); |
1277 | } |
1278 | } |
1279 | |
1280 | OCSP_copy_nonce(bs, req); |
1281 | |
1282 | OCSP_basic_sign(bs, rcert, rkey, NULL((void *)0), rother, flags); |
1283 | |
1284 | *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL0, bs); |
1285 | |
1286 | end: |
1287 | ASN1_TIME_free(thisupd); |
1288 | ASN1_TIME_free(nextupd); |
1289 | OCSP_CERTID_free(ca_id); |
1290 | OCSP_BASICRESP_free(bs); |
1291 | return ret; |
1292 | } |
1293 | |
1294 | static char ** |
1295 | lookup_serial(CA_DB *db, ASN1_INTEGER *ser) |
1296 | { |
1297 | int i; |
1298 | BIGNUM *bn = NULL((void *)0); |
1299 | char *itmp, *row[DB_NUMBER6], **rrow; |
1300 | |
1301 | for (i = 0; i < DB_NUMBER6; i++) |
1302 | row[i] = NULL((void *)0); |
1303 | bn = ASN1_INTEGER_to_BN(ser, NULL((void *)0)); |
1304 | OPENSSL_assert(bn)(void)((bn) ? 0 : (OpenSSLDie("/usr/src/usr.bin/openssl/ocsp.c" , 1304, "bn"),1)); /* FIXME: should report an error at this |
1305 | * point and abort */ |
1306 | if (BN_is_zero(bn)) |
1307 | itmp = strdup("00"); |
1308 | else |
1309 | itmp = BN_bn2hex(bn); |
1310 | row[DB_serial3] = itmp; |
1311 | BN_free(bn); |
1312 | rrow = TXT_DB_get_by_index(db->db, DB_serial3, row); |
1313 | free(itmp); |
1314 | return rrow; |
1315 | } |
1316 | |
1317 | /* Quick and dirty OCSP server: read in and parse input request */ |
1318 | |
1319 | static BIO * |
1320 | init_responder(char *port) |
1321 | { |
1322 | BIO *acbio = NULL((void *)0), *bufbio = NULL((void *)0); |
1323 | |
1324 | bufbio = BIO_new(BIO_f_buffer()); |
1325 | if (!bufbio) |
1326 | goto err; |
1327 | acbio = BIO_new_accept(port); |
1328 | if (!acbio) |
1329 | goto err; |
1330 | BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR)BIO_ctrl(acbio,131,2,((void *)0)); |
1331 | BIO_set_accept_bios(acbio, bufbio)BIO_ctrl(acbio,118,2,(char *)bufbio); |
1332 | bufbio = NULL((void *)0); |
1333 | |
1334 | if (BIO_do_accept(acbio)BIO_ctrl(acbio,101,0,((void *)0)) <= 0) { |
1335 | BIO_printf(bio_err, "Error setting up accept BIO\n"); |
1336 | ERR_print_errors(bio_err); |
1337 | goto err; |
1338 | } |
1339 | return acbio; |
1340 | |
1341 | err: |
1342 | BIO_free_all(acbio); |
1343 | BIO_free(bufbio); |
1344 | return NULL((void *)0); |
1345 | } |
1346 | |
1347 | static int |
1348 | do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port) |
1349 | { |
1350 | int have_post = 0, len; |
1351 | OCSP_REQUEST *req = NULL((void *)0); |
1352 | char inbuf[1024]; |
1353 | BIO *cbio = NULL((void *)0); |
1354 | |
1355 | if (BIO_do_accept(acbio)BIO_ctrl(acbio,101,0,((void *)0)) <= 0) { |
1356 | BIO_printf(bio_err, "Error accepting connection\n"); |
1357 | ERR_print_errors(bio_err); |
1358 | return 0; |
1359 | } |
1360 | cbio = BIO_pop(acbio); |
1361 | *pcbio = cbio; |
1362 | |
1363 | for (;;) { |
1364 | len = BIO_gets(cbio, inbuf, sizeof inbuf); |
1365 | if (len <= 0) |
1366 | return 1; |
1367 | /* Look for "POST" signalling start of query */ |
1368 | if (!have_post) { |
1369 | if (strncmp(inbuf, "POST", 4)) { |
1370 | BIO_printf(bio_err, "Invalid request\n"); |
1371 | return 1; |
1372 | } |
1373 | have_post = 1; |
1374 | } |
1375 | /* Look for end of headers */ |
1376 | if ((inbuf[0] == '\r') || (inbuf[0] == '\n')) |
1377 | break; |
1378 | } |
1379 | |
1380 | /* Try to read OCSP request */ |
1381 | |
1382 | req = d2i_OCSP_REQUEST_bio(cbio, NULL((void *)0)); |
1383 | |
1384 | if (!req) { |
1385 | BIO_printf(bio_err, "Error parsing OCSP request\n"); |
1386 | ERR_print_errors(bio_err); |
1387 | } |
1388 | *preq = req; |
1389 | |
1390 | return 1; |
1391 | } |
1392 | |
1393 | static int |
1394 | send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp) |
1395 | { |
1396 | static const char http_resp[] = |
1397 | "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n" |
1398 | "Content-Length: %d\r\n\r\n"; |
1399 | |
1400 | if (!cbio) |
1401 | return 0; |
1402 | BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL((void *)0))); |
1403 | i2d_OCSP_RESPONSE_bio(cbio, resp); |
1404 | (void) BIO_flush(cbio)(int)BIO_ctrl(cbio,11,0,((void *)0)); |
1405 | return 1; |
1406 | } |
1407 | |
1408 | static OCSP_RESPONSE * |
1409 | query_responder(BIO *err, BIO *cbio, char *path, STACK_OF(CONF_VALUE)struct stack_st_CONF_VALUE *headers, |
1410 | const char *host, OCSP_REQUEST *req, int req_timeout) |
1411 | { |
1412 | int fd; |
1413 | int rv; |
1414 | int i; |
1415 | int have_host = 0; |
1416 | OCSP_REQ_CTX *ctx = NULL((void *)0); |
1417 | OCSP_RESPONSE *rsp = NULL((void *)0); |
1418 | struct pollfd pfd[1]; |
1419 | |
1420 | if (req_timeout != -1) |
1421 | BIO_set_nbio(cbio, 1)BIO_ctrl(cbio,102,(1),((void *)0)); |
1422 | |
1423 | rv = BIO_do_connect(cbio)BIO_ctrl(cbio,101,0,((void *)0)); |
1424 | |
1425 | if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio)BIO_test_flags(cbio, 0x08))) { |
1426 | BIO_puts(err, "Error connecting BIO\n"); |
1427 | return NULL((void *)0); |
1428 | } |
1429 | if (BIO_get_fd(cbio, &fd)BIO_ctrl(cbio,105,0,(char *)&fd) < 0) { |
1430 | BIO_puts(err, "Can't get connection fd\n"); |
1431 | goto err; |
1432 | } |
1433 | if (req_timeout != -1 && rv <= 0) { |
1434 | pfd[0].fd = fd; |
1435 | pfd[0].events = POLLOUT0x0004; |
1436 | rv = poll(pfd, 1, req_timeout * 1000); |
1437 | if (rv == 0) { |
1438 | BIO_puts(err, "Timeout on connect\n"); |
1439 | return NULL((void *)0); |
1440 | } |
1441 | if (rv == -1) { |
1442 | BIO_puts(err, "Poll error\n"); |
1443 | return NULL((void *)0); |
1444 | } |
1445 | } |
1446 | ctx = OCSP_sendreq_new(cbio, path, NULL((void *)0), -1); |
1447 | if (!ctx) |
1448 | return NULL((void *)0); |
1449 | |
1450 | for (i = 0; i < sk_CONF_VALUE_num(headers)sk_num(((_STACK*) (1 ? (headers) : (struct stack_st_CONF_VALUE *)0))); i++) { |
1451 | CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i)((CONF_VALUE *)sk_value(((_STACK*) (1 ? (headers) : (struct stack_st_CONF_VALUE *)0)), (i))); |
1452 | if (strcasecmp("host", hdr->name) == 0) |
1453 | have_host = 1; |
1454 | if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value)) |
1455 | goto err; |
1456 | } |
1457 | |
1458 | if (!have_host) { |
1459 | if (!OCSP_REQ_CTX_add1_header(ctx, "Host", host)) |
1460 | goto err; |
1461 | } |
1462 | |
1463 | if (!OCSP_REQ_CTX_set1_req(ctx, req)) |
1464 | goto err; |
1465 | |
1466 | for (;;) { |
1467 | rv = OCSP_sendreq_nbio(&rsp, ctx); |
1468 | if (rv != -1) |
1469 | break; |
1470 | if (req_timeout == -1) |
1471 | continue; |
1472 | pfd[0].fd = fd; |
1473 | if (BIO_should_read(cbio)BIO_test_flags(cbio, 0x01)) { |
1474 | pfd[0].events = POLLIN0x0001; |
1475 | } else if (BIO_should_write(cbio)BIO_test_flags(cbio, 0x02)) { |
1476 | pfd[0].events = POLLOUT0x0004; |
1477 | } else { |
1478 | BIO_puts(err, "Unexpected retry condition\n"); |
1479 | goto err; |
1480 | } |
1481 | rv = poll(pfd, 1, req_timeout * 1000); |
1482 | if (rv == 0) { |
1483 | BIO_puts(err, "Timeout on request\n"); |
1484 | break; |
1485 | } |
1486 | if (rv == -1 || (pfd[0].revents & (POLLERR0x0008|POLLNVAL0x0020))) { |
1487 | BIO_puts(err, "Poll error\n"); |
1488 | break; |
1489 | } |
1490 | } |
1491 | |
1492 | err: |
1493 | OCSP_REQ_CTX_free(ctx); |
1494 | return rsp; |
1495 | } |
1496 | |
1497 | OCSP_RESPONSE * |
1498 | process_responder(BIO *err, OCSP_REQUEST *req, char *host, char *path, |
1499 | char *port, int use_ssl, STACK_OF(CONF_VALUE)struct stack_st_CONF_VALUE *headers, int req_timeout) |
1500 | { |
1501 | BIO *cbio = NULL((void *)0); |
1502 | SSL_CTX *ctx = NULL((void *)0); |
1503 | OCSP_RESPONSE *resp = NULL((void *)0); |
1504 | |
1505 | cbio = BIO_new_connect(host); |
1506 | if (!cbio) { |
1507 | BIO_printf(err, "Error creating connect BIO\n"); |
1508 | goto end; |
1509 | } |
1510 | if (port) |
1511 | BIO_set_conn_port(cbio, port)BIO_ctrl(cbio,100,1,(char *)port); |
1512 | if (use_ssl == 1) { |
1513 | BIO *sbio; |
1514 | ctx = SSL_CTX_new(TLS_client_method()); |
1515 | if (ctx == NULL((void *)0)) { |
1516 | BIO_printf(err, "Error creating SSL context.\n"); |
1517 | goto end; |
1518 | } |
1519 | SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY)SSL_CTX_ctrl((ctx),33,(0x00000004L),((void *)0)); |
1520 | sbio = BIO_new_ssl(ctx, 1); |
1521 | cbio = BIO_push(sbio, cbio); |
1522 | } |
1523 | resp = query_responder(err, cbio, path, headers, host, req, req_timeout); |
1524 | if (!resp) |
1525 | BIO_printf(bio_err, "Error querying OCSP responder\n"); |
1526 | |
1527 | end: |
1528 | BIO_free_all(cbio); |
1529 | SSL_CTX_free(ctx); |
1530 | return resp; |
1531 | } |
1532 | #endif |