Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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_md, 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, issuer, 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 OCSP request with\n"); |
| 581 | BIO_printf (bio_err, "-signkey file private key to sign OCSP 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 certificates in signed request\n"); |
| 584 | BIO_printf (bio_err, "-req_text print text form of request\n"); |
| 585 | BIO_printf (bio_err, "-resp_text print text form of response\n"); |
| 586 | BIO_printf (bio_err, "-text print text form of request 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 request from \"file\"\n"); |
| 590 | BIO_printf (bio_err, "-respin file read DER encoded OCSP reponse from \"file\"\n"); |
| 591 | BIO_printf (bio_err, "-nonce add OCSP nonce to request\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 host on port n\n"); |
| 595 | BIO_printf (bio_err, "-path path to use in OCSP request\n"); |
| 596 | BIO_printf (bio_err, "-CApath dir trusted certificates directory\n"); |
| 597 | BIO_printf (bio_err, "-CAfile file trusted certificates file\n"); |
| 598 | BIO_printf (bio_err, "-VAfile file validator certificates file\n"); |
| 599 | BIO_printf (bio_err, "-validity_period n maximum validity discrepancy in seconds\n"); |
| 600 | BIO_printf (bio_err, "-status_age n maximum status age in seconds\n"); |
| 601 | BIO_printf (bio_err, "-noverify don't verify response at 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 certificates 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 certificate\n"); |
| 607 | BIO_printf (bio_err, "-no_chain don't chain verify response\n"); |
| 608 | BIO_printf (bio_err, "-no_cert_checks don't do additional checks on signing certificate\n"); |
| 609 | BIO_printf (bio_err, "-port num port to run responder on\n"); |
| 610 | BIO_printf (bio_err, "-index file certificate status index file\n"); |
| 611 | BIO_printf (bio_err, "-CA file CA certificate\n"); |
| 612 | BIO_printf (bio_err, "-rsigner file responder certificate to sign responses with\n"); |
| 613 | BIO_printf (bio_err, "-rkey file responder key to sign responses with\n"); |
| 614 | BIO_printf (bio_err, "-rother file other certificates to include in response\n"); |
| 615 | BIO_printf (bio_err, "-resp_no_certs don't include any certificates in response\n"); |
| 616 | BIO_printf (bio_err, "-nmin n number of minutes before next update\n"); |
| 617 | BIO_printf (bio_err, "-ndays n number of days before next update\n"); |
| 618 | BIO_printf (bio_err, "-resp_key_id identify reponse by signing certificate key ID\n"); |
| 619 | BIO_printf (bio_err, "-nrequest n number of requests to accept (default unlimited)\n"); |
| 620 | BIO_printf (bio_err, "-<dgst alg> use specified digest in the request"); |
| 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_MALFORMEDREQUEST, 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_PEM, |
| 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 for 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 supported.\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 response\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_md,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_id_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", serial); |
| 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_MALFORMEDREQUEST, 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_INTERNALERROR, |
| 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_rev_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_invalidity_date, invtm, 0, 0); |
| 1135 | else if (inst) |
| 1136 | OCSP_SINGLERESP_add1_ext_i2d(single, NID_hold_instruction_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 abort */ |
| 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 |