3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
59 #ifndef OPENSSL_NO_OCSP
61 # ifdef OPENSSL_SYS_VMS
62 # define _XOPEN_SOURCE_EXTENDED/* So fd_set and friends get properly defined
72 # include "apps.h" /* needs to be included before the openssl
74 # include <openssl/e_os2.h>
75 # include <openssl/crypto.h>
76 # include <openssl/err.h>
77 # include <openssl/ssl.h>
78 # include <openssl/evp.h>
79 # include <openssl/bn.h>
80 # include <openssl/x509v3.h>
82 # if defined(NETWARE_CLIB)
83 # ifdef NETWARE_BSDSOCK
84 # include <sys/socket.h>
85 # include <sys/bsdskt.h>
87 # include <novsock2.h>
89 # elif defined(NETWARE_LIBC)
90 # ifdef NETWARE_BSDSOCK
91 # include <sys/select.h>
93 # include <novsock2.h>
97 /* Maximum leeway in validity period: default 5 minutes */
98 # define MAX_VALIDITY_PERIOD (5 * 60)
100 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
101 const EVP_MD *cert_id_md, X509 *issuer,
102 STACK_OF(OCSP_CERTID) *ids);
103 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
104 const EVP_MD *cert_id_md, X509 *issuer,
105 STACK_OF(OCSP_CERTID) *ids);
106 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
107 STACK_OF(OPENSSL_STRING) *names,
108 STACK_OF(OCSP_CERTID) *ids, long nsec,
111 static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
112 CA_DB *db, X509 *ca, X509 *rcert,
113 EVP_PKEY *rkey, const EVP_MD *md,
114 STACK_OF(X509) *rother, unsigned long flags,
115 int nmin, int ndays, int badsig);
117 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
118 static BIO *init_responder(const char *port);
119 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
121 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
122 static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, const char *path,
123 const STACK_OF(CONF_VALUE) *headers,
124 OCSP_REQUEST *req, int req_timeout);
127 # define PROG ocsp_main
129 int MAIN(int, char **);
131 int MAIN(int argc, char **argv)
135 char *host = NULL, *port = NULL, *path = "/";
136 char *thost = NULL, *tport = NULL, *tpath = NULL;
137 char *reqin = NULL, *respin = NULL;
138 char *reqout = NULL, *respout = NULL;
139 char *signfile = NULL, *keyfile = NULL;
140 char *rsignfile = NULL, *rkeyfile = NULL;
141 char *outfile = NULL;
142 int add_nonce = 1, noverify = 0, use_ssl = -1;
143 STACK_OF(CONF_VALUE) *headers = NULL;
144 OCSP_REQUEST *req = NULL;
145 OCSP_RESPONSE *resp = NULL;
146 OCSP_BASICRESP *bs = NULL;
147 X509 *issuer = NULL, *cert = NULL;
148 X509 *signer = NULL, *rsigner = NULL;
149 EVP_PKEY *key = NULL, *rkey = NULL;
150 BIO *acbio = NULL, *cbio = NULL;
153 int req_timeout = -1;
154 int req_text = 0, resp_text = 0;
155 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
156 char *CAfile = NULL, *CApath = NULL;
157 X509_STORE *store = NULL;
158 X509_VERIFY_PARAM *vpm = NULL;
159 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
160 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
161 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
163 int accept_count = -1;
168 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
169 STACK_OF(OCSP_CERTID) *ids = NULL;
171 X509 *rca_cert = NULL;
172 char *ridx_filename = NULL;
173 char *rca_filename = NULL;
175 int nmin = 0, ndays = -1;
176 const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
179 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
181 if (!load_config(bio_err, NULL))
183 SSL_load_error_strings();
184 OpenSSL_add_ssl_algorithms();
186 reqnames = sk_OPENSSL_STRING_new_null();
187 ids = sk_OCSP_CERTID_new_null();
188 while (!badarg && *args && *args[0] == '-') {
189 if (!strcmp(*args, "-out")) {
195 } else if (!strcmp(*args, "-timeout")) {
198 req_timeout = atol(*args);
199 if (req_timeout < 0) {
200 BIO_printf(bio_err, "Illegal timeout value %s\n", *args);
205 } else if (!strcmp(*args, "-url")) {
214 if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl)) {
215 BIO_printf(bio_err, "Error parsing URL\n");
223 } else if (!strcmp(*args, "-host")) {
229 } else if (!strcmp(*args, "-port")) {
235 } else if (!strcmp(*args, "-header")) {
236 if (args[1] && args[2]) {
237 if (!X509V3_add_value(args[1], args[2], &headers))
242 } else if (!strcmp(*args, "-ignore_err"))
244 else if (!strcmp(*args, "-noverify"))
246 else if (!strcmp(*args, "-nonce"))
248 else if (!strcmp(*args, "-no_nonce"))
250 else if (!strcmp(*args, "-resp_no_certs"))
251 rflags |= OCSP_NOCERTS;
252 else if (!strcmp(*args, "-resp_key_id"))
253 rflags |= OCSP_RESPID_KEY;
254 else if (!strcmp(*args, "-no_certs"))
255 sign_flags |= OCSP_NOCERTS;
256 else if (!strcmp(*args, "-no_signature_verify"))
257 verify_flags |= OCSP_NOSIGS;
258 else if (!strcmp(*args, "-no_cert_verify"))
259 verify_flags |= OCSP_NOVERIFY;
260 else if (!strcmp(*args, "-no_chain"))
261 verify_flags |= OCSP_NOCHAIN;
262 else if (!strcmp(*args, "-no_cert_checks"))
263 verify_flags |= OCSP_NOCHECKS;
264 else if (!strcmp(*args, "-no_explicit"))
265 verify_flags |= OCSP_NOEXPLICIT;
266 else if (!strcmp(*args, "-trust_other"))
267 verify_flags |= OCSP_TRUSTOTHER;
268 else if (!strcmp(*args, "-no_intern"))
269 verify_flags |= OCSP_NOINTERN;
270 else if (!strcmp(*args, "-badsig"))
272 else if (!strcmp(*args, "-text")) {
275 } else if (!strcmp(*args, "-req_text"))
277 else if (!strcmp(*args, "-resp_text"))
279 else if (!strcmp(*args, "-reqin")) {
285 } else if (!strcmp(*args, "-respin")) {
291 } else if (!strcmp(*args, "-signer")) {
297 } else if (!strcmp(*args, "-VAfile")) {
300 verify_certfile = *args;
301 verify_flags |= OCSP_TRUSTOTHER;
304 } else if (!strcmp(*args, "-sign_other")) {
307 sign_certfile = *args;
310 } else if (!strcmp(*args, "-verify_other")) {
313 verify_certfile = *args;
316 } else if (!strcmp(*args, "-CAfile")) {
322 } else if (!strcmp(*args, "-CApath")) {
328 } else if (args_verify(&args, NULL, &badarg, bio_err, &vpm)) {
332 } else if (!strcmp(*args, "-validity_period")) {
338 "Illegal validity period %s\n", *args);
343 } else if (!strcmp(*args, "-status_age")) {
346 maxage = atol(*args);
348 BIO_printf(bio_err, "Illegal validity age %s\n", *args);
353 } else if (!strcmp(*args, "-signkey")) {
359 } else if (!strcmp(*args, "-reqout")) {
365 } else if (!strcmp(*args, "-respout")) {
371 } else if (!strcmp(*args, "-path")) {
377 } else if (!strcmp(*args, "-issuer")) {
381 issuer = load_cert(bio_err, *args, FORMAT_PEM,
382 NULL, e, "issuer certificate");
387 } else if (!strcmp(*args, "-cert")) {
391 cert = load_cert(bio_err, *args, FORMAT_PEM,
392 NULL, e, "certificate");
396 cert_id_md = EVP_sha1();
397 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
399 if (!sk_OPENSSL_STRING_push(reqnames, *args))
403 } else if (!strcmp(*args, "-serial")) {
407 cert_id_md = EVP_sha1();
408 if (!add_ocsp_serial(&req, *args, cert_id_md, issuer, ids))
410 if (!sk_OPENSSL_STRING_push(reqnames, *args))
414 } else if (!strcmp(*args, "-index")) {
417 ridx_filename = *args;
420 } else if (!strcmp(*args, "-CA")) {
423 rca_filename = *args;
426 } else if (!strcmp(*args, "-nmin")) {
431 BIO_printf(bio_err, "Illegal update period %s\n", *args);
439 } else if (!strcmp(*args, "-nrequest")) {
442 accept_count = atol(*args);
443 if (accept_count < 0) {
444 BIO_printf(bio_err, "Illegal accept count %s\n", *args);
449 } else if (!strcmp(*args, "-ndays")) {
454 BIO_printf(bio_err, "Illegal update period %s\n", *args);
459 } else if (!strcmp(*args, "-rsigner")) {
465 } else if (!strcmp(*args, "-rkey")) {
471 } else if (!strcmp(*args, "-rother")) {
477 } else if (!strcmp(*args, "-rmd")) {
480 rsign_md = EVP_get_digestbyname(*args);
485 } else if ((cert_id_md = EVP_get_digestbyname((*args) + 1)) == NULL) {
491 /* Have we anything to do? */
492 if (!req && !reqin && !respin && !(port && ridx_filename))
496 BIO_printf(bio_err, "OCSP utility\n");
497 BIO_printf(bio_err, "Usage ocsp [options]\n");
498 BIO_printf(bio_err, "where options are\n");
499 BIO_printf(bio_err, "-out file output filename\n");
500 BIO_printf(bio_err, "-issuer file issuer certificate\n");
501 BIO_printf(bio_err, "-cert file certificate to check\n");
502 BIO_printf(bio_err, "-serial n serial number to check\n");
504 "-signer file certificate to sign OCSP request with\n");
506 "-signkey file private key to sign OCSP request with\n");
508 "-sign_other file additional certificates to include in signed request\n");
510 "-no_certs don't include any certificates in signed request\n");
512 "-req_text print text form of request\n");
514 "-resp_text print text form of response\n");
516 "-text print text form of request and response\n");
518 "-reqout file write DER encoded OCSP request to \"file\"\n");
520 "-respout file write DER encoded OCSP reponse to \"file\"\n");
522 "-reqin file read DER encoded OCSP request from \"file\"\n");
524 "-respin file read DER encoded OCSP reponse from \"file\"\n");
526 "-nonce add OCSP nonce to request\n");
528 "-no_nonce don't add OCSP nonce to request\n");
529 BIO_printf(bio_err, "-url URL OCSP responder URL\n");
531 "-host host:n send OCSP request to host on port n\n");
533 "-path path to use in OCSP request\n");
535 "-CApath dir trusted certificates directory\n");
537 "-CAfile file trusted certificates file\n");
539 "-trusted_first use locally trusted CA's first when building trust chain\n");
541 "-no_alt_chains only ever use the first certificate chain found\n");
543 "-VAfile file validator certificates file\n");
545 "-validity_period n maximum validity discrepancy in seconds\n");
547 "-status_age n maximum status age in seconds\n");
549 "-noverify don't verify response at all\n");
551 "-verify_other file additional certificates to search for signer\n");
553 "-trust_other don't verify additional certificates\n");
555 "-no_intern don't search certificates contained in response for signer\n");
557 "-no_signature_verify don't check signature on response\n");
559 "-no_cert_verify don't check signing certificate\n");
561 "-no_chain don't chain verify response\n");
563 "-no_cert_checks don't do additional checks on signing certificate\n");
565 "-port num port to run responder on\n");
567 "-index file certificate status index file\n");
568 BIO_printf(bio_err, "-CA file CA certificate\n");
570 "-rsigner file responder certificate to sign responses with\n");
572 "-rkey file responder key to sign responses with\n");
574 "-rother file other certificates to include in response\n");
576 "-resp_no_certs don't include any certificates in response\n");
578 "-nmin n number of minutes before next update\n");
580 "-ndays n number of days before next update\n");
582 "-resp_key_id identify reponse by signing certificate key ID\n");
584 "-nrequest n number of requests to accept (default unlimited)\n");
586 "-<dgst alg> use specified digest in the request\n");
588 "-timeout n timeout connection to OCSP responder after n seconds\n");
593 out = BIO_new_file(outfile, "w");
595 out = BIO_new_fp(stdout, BIO_NOCLOSE);
598 BIO_printf(bio_err, "Error opening output file\n");
602 if (!req && (add_nonce != 2))
606 if (!strcmp(reqin, "-"))
607 derbio = BIO_new_fp(stdin, BIO_NOCLOSE);
609 derbio = BIO_new_file(reqin, "rb");
611 BIO_printf(bio_err, "Error Opening OCSP request file\n");
614 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
617 BIO_printf(bio_err, "Error reading OCSP request\n");
623 acbio = init_responder(port);
628 if (rsignfile && !rdb) {
630 rkeyfile = rsignfile;
631 rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM,
632 NULL, e, "responder certificate");
634 BIO_printf(bio_err, "Error loading responder certificate\n");
637 rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM,
638 NULL, e, "CA certificate");
640 rother = load_certs(bio_err, rcertfile, FORMAT_PEM,
641 NULL, e, "responder other certificates");
645 rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL,
646 "responder private key");
651 BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
656 if (!do_responder(&req, &cbio, acbio, port))
660 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
662 send_ocsp_response(cbio, resp);
667 if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) {
668 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
672 if (req && add_nonce)
673 OCSP_request_add1_nonce(req, NULL, -1);
678 signer = load_cert(bio_err, signfile, FORMAT_PEM,
679 NULL, e, "signer certificate");
681 BIO_printf(bio_err, "Error loading signer certificate\n");
685 sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM,
686 NULL, e, "signer certificates");
690 key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL,
691 "signer private key");
695 if (!OCSP_request_sign
696 (req, signer, key, NULL, sign_other, sign_flags)) {
697 BIO_printf(bio_err, "Error signing OCSP request\n");
703 OCSP_REQUEST_print(out, req, 0);
706 if (!strcmp(reqout, "-"))
707 derbio = BIO_new_fp(stdout, BIO_NOCLOSE);
709 derbio = BIO_new_file(reqout, "wb");
711 BIO_printf(bio_err, "Error opening file %s\n", reqout);
714 i2d_OCSP_REQUEST_bio(derbio, req);
718 if (ridx_filename && (!rkey || !rsigner || !rca_cert)) {
720 "Need a responder certificate, key and CA for this operation!\n");
724 if (ridx_filename && !rdb) {
725 rdb = load_index(ridx_filename, NULL);
728 if (!index_index(rdb))
733 i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey,
734 rsign_md, rother, rflags, nmin, ndays, badsig);
736 send_ocsp_response(cbio, resp);
738 # ifndef OPENSSL_NO_SOCK
739 resp = process_responder(bio_err, req, host, path,
740 port, use_ssl, headers, req_timeout);
745 "Error creating connect BIO - sockets not supported.\n");
749 if (!strcmp(respin, "-"))
750 derbio = BIO_new_fp(stdin, BIO_NOCLOSE);
752 derbio = BIO_new_file(respin, "rb");
754 BIO_printf(bio_err, "Error Opening OCSP response file\n");
757 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
760 BIO_printf(bio_err, "Error reading OCSP response\n");
772 if (!strcmp(respout, "-"))
773 derbio = BIO_new_fp(stdout, BIO_NOCLOSE);
775 derbio = BIO_new_file(respout, "wb");
777 BIO_printf(bio_err, "Error opening file %s\n", respout);
780 i2d_OCSP_RESPONSE_bio(derbio, resp);
784 i = OCSP_response_status(resp);
786 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
787 BIO_printf(out, "Responder Error: %s (%d)\n",
788 OCSP_response_status_str(i), i);
796 OCSP_RESPONSE_print(out, resp, 0);
798 /* If running as responder don't verify our own response */
800 if (accept_count > 0)
802 /* Redo if more connections needed */
806 OCSP_REQUEST_free(req);
808 OCSP_RESPONSE_free(resp);
814 } else if (ridx_filename) {
820 store = setup_verify(bio_err, CAfile, CApath);
824 X509_STORE_set1_param(store, vpm);
825 if (verify_certfile) {
826 verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM,
827 NULL, e, "validator certificate");
832 bs = OCSP_response_get1_basic(resp);
835 BIO_printf(bio_err, "Error parsing response\n");
842 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
844 BIO_printf(bio_err, "WARNING: no nonce in response\n");
846 BIO_printf(bio_err, "Nonce Verify error\n");
852 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
854 BIO_printf(bio_err, "Response Verify Failure\n");
855 ERR_print_errors(bio_err);
858 BIO_printf(bio_err, "Response verify OK\n");
862 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage))
866 ERR_print_errors(bio_err);
868 X509_STORE_free(store);
870 X509_VERIFY_PARAM_free(vpm);
881 OCSP_REQUEST_free(req);
882 OCSP_RESPONSE_free(resp);
883 OCSP_BASICRESP_free(bs);
884 sk_OPENSSL_STRING_free(reqnames);
885 sk_OCSP_CERTID_free(ids);
886 sk_X509_pop_free(sign_other, X509_free);
887 sk_X509_pop_free(verify_other, X509_free);
888 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
900 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
901 const EVP_MD *cert_id_md, X509 *issuer,
902 STACK_OF(OCSP_CERTID) *ids)
906 BIO_printf(bio_err, "No issuer certificate specified\n");
910 *req = OCSP_REQUEST_new();
913 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
914 if (!id || !sk_OCSP_CERTID_push(ids, id))
916 if (!OCSP_request_add0_id(*req, id))
921 BIO_printf(bio_err, "Error Creating OCSP request\n");
925 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
926 const EVP_MD *cert_id_md, X509 *issuer,
927 STACK_OF(OCSP_CERTID) *ids)
931 ASN1_BIT_STRING *ikey;
934 BIO_printf(bio_err, "No issuer certificate specified\n");
938 *req = OCSP_REQUEST_new();
941 iname = X509_get_subject_name(issuer);
942 ikey = X509_get0_pubkey_bitstr(issuer);
943 sno = s2i_ASN1_INTEGER(NULL, serial);
945 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
948 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
949 ASN1_INTEGER_free(sno);
950 if (!id || !sk_OCSP_CERTID_push(ids, id))
952 if (!OCSP_request_add0_id(*req, id))
957 BIO_printf(bio_err, "Error Creating OCSP request\n");
961 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
962 STACK_OF(OPENSSL_STRING) *names,
963 STACK_OF(OCSP_CERTID) *ids, long nsec,
972 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
974 if (!bs || !req || !sk_OPENSSL_STRING_num(names)
975 || !sk_OCSP_CERTID_num(ids))
978 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
979 id = sk_OCSP_CERTID_value(ids, i);
980 name = sk_OPENSSL_STRING_value(names, i);
981 BIO_printf(out, "%s: ", name);
983 if (!OCSP_resp_find_status(bs, id, &status, &reason,
984 &rev, &thisupd, &nextupd)) {
985 BIO_puts(out, "ERROR: No Status found.\n");
990 * Check validity: if invalid write to output BIO so we know which
991 * response this refers to.
993 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
994 BIO_puts(out, "WARNING: Status times invalid.\n");
995 ERR_print_errors(out);
997 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
999 BIO_puts(out, "\tThis Update: ");
1000 ASN1_GENERALIZEDTIME_print(out, thisupd);
1001 BIO_puts(out, "\n");
1004 BIO_puts(out, "\tNext Update: ");
1005 ASN1_GENERALIZEDTIME_print(out, nextupd);
1006 BIO_puts(out, "\n");
1009 if (status != V_OCSP_CERTSTATUS_REVOKED)
1013 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
1015 BIO_puts(out, "\tRevocation Time: ");
1016 ASN1_GENERALIZEDTIME_print(out, rev);
1017 BIO_puts(out, "\n");
1023 static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
1024 CA_DB *db, X509 *ca, X509 *rcert,
1025 EVP_PKEY *rkey, const EVP_MD *rmd,
1026 STACK_OF(X509) *rother, unsigned long flags,
1027 int nmin, int ndays, int badsig)
1029 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
1030 OCSP_CERTID *cid, *ca_id = NULL;
1031 OCSP_BASICRESP *bs = NULL;
1032 int i, id_count, ret = 1;
1034 id_count = OCSP_request_onereq_count(req);
1036 if (id_count <= 0) {
1038 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
1042 bs = OCSP_BASICRESP_new();
1043 thisupd = X509_gmtime_adj(NULL, 0);
1045 nextupd = X509_gmtime_adj(NULL, nmin * 60 + ndays * 3600 * 24);
1047 /* Examine each certificate id in the request */
1048 for (i = 0; i < id_count; i++) {
1050 ASN1_INTEGER *serial;
1052 ASN1_OBJECT *cert_id_md_oid;
1053 const EVP_MD *cert_id_md;
1054 one = OCSP_request_onereq_get0(req, i);
1055 cid = OCSP_onereq_get0_id(one);
1057 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
1059 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
1061 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
1066 OCSP_CERTID_free(ca_id);
1067 ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca);
1069 /* Is this request about our CA? */
1070 if (OCSP_id_issuer_cmp(ca_id, cid)) {
1071 OCSP_basic_add1_status(bs, cid,
1072 V_OCSP_CERTSTATUS_UNKNOWN,
1073 0, NULL, thisupd, nextupd);
1076 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
1077 inf = lookup_serial(db, serial);
1079 OCSP_basic_add1_status(bs, cid,
1080 V_OCSP_CERTSTATUS_UNKNOWN,
1081 0, NULL, thisupd, nextupd);
1082 else if (inf[DB_type][0] == DB_TYPE_VAL)
1083 OCSP_basic_add1_status(bs, cid,
1084 V_OCSP_CERTSTATUS_GOOD,
1085 0, NULL, thisupd, nextupd);
1086 else if (inf[DB_type][0] == DB_TYPE_REV) {
1087 ASN1_OBJECT *inst = NULL;
1088 ASN1_TIME *revtm = NULL;
1089 ASN1_GENERALIZEDTIME *invtm = NULL;
1090 OCSP_SINGLERESP *single;
1092 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
1093 single = OCSP_basic_add1_status(bs, cid,
1094 V_OCSP_CERTSTATUS_REVOKED,
1095 reason, revtm, thisupd, nextupd);
1097 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
1100 OCSP_SINGLERESP_add1_ext_i2d(single,
1101 NID_hold_instruction_code, inst,
1103 ASN1_OBJECT_free(inst);
1104 ASN1_TIME_free(revtm);
1105 ASN1_GENERALIZEDTIME_free(invtm);
1109 OCSP_copy_nonce(bs, req);
1111 OCSP_basic_sign(bs, rcert, rkey, rmd, rother, flags);
1114 bs->signature->data[bs->signature->length - 1] ^= 0x1;
1116 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
1119 ASN1_TIME_free(thisupd);
1120 ASN1_TIME_free(nextupd);
1121 OCSP_CERTID_free(ca_id);
1122 OCSP_BASICRESP_free(bs);
1127 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
1131 char *itmp, *row[DB_NUMBER], **rrow;
1132 for (i = 0; i < DB_NUMBER; i++)
1134 bn = ASN1_INTEGER_to_BN(ser, NULL);
1135 OPENSSL_assert(bn); /* FIXME: should report an error at this
1136 * point and abort */
1138 itmp = BUF_strdup("00");
1140 itmp = BN_bn2hex(bn);
1141 row[DB_serial] = itmp;
1143 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
1148 /* Quick and dirty OCSP server: read in and parse input request */
1150 static BIO *init_responder(const char *port)
1152 BIO *acbio = NULL, *bufbio = NULL;
1153 bufbio = BIO_new(BIO_f_buffer());
1156 # ifndef OPENSSL_NO_SOCK
1157 acbio = BIO_new_accept(port);
1160 "Error setting up accept BIO - sockets not supported.\n");
1164 BIO_set_accept_bios(acbio, bufbio);
1167 if (BIO_do_accept(acbio) <= 0) {
1168 BIO_printf(bio_err, "Error setting up accept BIO\n");
1169 ERR_print_errors(bio_err);
1176 BIO_free_all(acbio);
1181 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
1184 int have_post = 0, len;
1185 OCSP_REQUEST *req = NULL;
1189 if (BIO_do_accept(acbio) <= 0) {
1190 BIO_printf(bio_err, "Error accepting connection\n");
1191 ERR_print_errors(bio_err);
1195 cbio = BIO_pop(acbio);
1199 len = BIO_gets(cbio, inbuf, sizeof inbuf);
1202 /* Look for "POST" signalling start of query */
1204 if (strncmp(inbuf, "POST", 4)) {
1205 BIO_printf(bio_err, "Invalid request\n");
1210 /* Look for end of headers */
1211 if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
1215 /* Try to read OCSP request */
1217 req = d2i_OCSP_REQUEST_bio(cbio, NULL);
1220 BIO_printf(bio_err, "Error parsing OCSP request\n");
1221 ERR_print_errors(bio_err);
1230 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
1233 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1234 "Content-Length: %d\r\n\r\n";
1237 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
1238 i2d_OCSP_RESPONSE_bio(cbio, resp);
1239 (void)BIO_flush(cbio);
1243 static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, const char *path,
1244 const STACK_OF(CONF_VALUE) *headers,
1245 OCSP_REQUEST *req, int req_timeout)
1250 OCSP_REQ_CTX *ctx = NULL;
1251 OCSP_RESPONSE *rsp = NULL;
1255 if (req_timeout != -1)
1256 BIO_set_nbio(cbio, 1);
1258 rv = BIO_do_connect(cbio);
1260 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) {
1261 BIO_puts(err, "Error connecting BIO\n");
1265 if (BIO_get_fd(cbio, &fd) <= 0) {
1266 BIO_puts(err, "Can't get connection fd\n");
1270 if (req_timeout != -1 && rv <= 0) {
1272 openssl_fdset(fd, &confds);
1274 tv.tv_sec = req_timeout;
1275 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1277 BIO_puts(err, "Timeout on connect\n");
1282 ctx = OCSP_sendreq_new(cbio, path, NULL, -1);
1286 for (i = 0; i < sk_CONF_VALUE_num(headers); i++) {
1287 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i);
1288 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value))
1292 if (!OCSP_REQ_CTX_set1_req(ctx, req))
1296 rv = OCSP_sendreq_nbio(&rsp, ctx);
1299 if (req_timeout == -1)
1302 openssl_fdset(fd, &confds);
1304 tv.tv_sec = req_timeout;
1305 if (BIO_should_read(cbio))
1306 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv);
1307 else if (BIO_should_write(cbio))
1308 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1310 BIO_puts(err, "Unexpected retry condition\n");
1314 BIO_puts(err, "Timeout on request\n");
1318 BIO_puts(err, "Select error\n");
1325 OCSP_REQ_CTX_free(ctx);
1330 OCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req,
1331 const char *host, const char *path,
1332 const char *port, int use_ssl,
1333 const STACK_OF(CONF_VALUE) *headers,
1337 SSL_CTX *ctx = NULL;
1338 OCSP_RESPONSE *resp = NULL;
1339 cbio = BIO_new_connect(host);
1341 BIO_printf(err, "Error creating connect BIO\n");
1345 BIO_set_conn_port(cbio, port);
1348 ctx = SSL_CTX_new(SSLv23_client_method());
1350 BIO_printf(err, "Error creating SSL context.\n");
1353 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
1354 sbio = BIO_new_ssl(ctx, 1);
1355 cbio = BIO_push(sbio, cbio);
1357 resp = query_responder(err, cbio, path, headers, req, req_timeout);
1359 BIO_printf(bio_err, "Error querying OCSP responder\n");