2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
59 #include <openssl/opensslconf.h>
61 #ifdef OPENSSL_NO_OCSP
62 NON_EMPTY_TRANSLATION_UNIT
64 # ifdef OPENSSL_SYS_VMS
65 # define _XOPEN_SOURCE_EXTENDED/* So fd_set and friends get properly defined
77 /* Needs to be included before the openssl headers */
79 # include <openssl/e_os2.h>
80 # include <openssl/crypto.h>
81 # include <openssl/err.h>
82 # include <openssl/ssl.h>
83 # include <openssl/evp.h>
84 # include <openssl/bn.h>
85 # include <openssl/x509v3.h>
87 # if defined(NETWARE_CLIB)
88 # ifdef NETWARE_BSDSOCK
89 # include <sys/socket.h>
90 # include <sys/bsdskt.h>
92 # include <novsock2.h>
94 # elif defined(NETWARE_LIBC)
95 # ifdef NETWARE_BSDSOCK
96 # include <sys/select.h>
98 # include <novsock2.h>
102 /* Maximum leeway in validity period: default 5 minutes */
103 # define MAX_VALIDITY_PERIOD (5 * 60)
105 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
106 const EVP_MD *cert_id_md, X509 *issuer,
107 STACK_OF(OCSP_CERTID) *ids);
108 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
109 const EVP_MD *cert_id_md, X509 *issuer,
110 STACK_OF(OCSP_CERTID) *ids);
111 static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
112 STACK_OF(OPENSSL_STRING) *names,
113 STACK_OF(OCSP_CERTID) *ids, long nsec,
115 static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
116 CA_DB *db, X509 *ca, X509 *rcert,
117 EVP_PKEY *rkey, const EVP_MD *md,
118 STACK_OF(X509) *rother, unsigned long flags,
119 int nmin, int ndays, int badsig);
121 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
122 static BIO *init_responder(const char *port);
123 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio);
124 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
126 # ifndef OPENSSL_NO_SOCK
127 static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
129 const STACK_OF(CONF_VALUE) *headers,
130 OCSP_REQUEST *req, int req_timeout);
133 typedef enum OPTION_choice {
134 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
135 OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT,
136 OPT_IGNORE_ERR, OPT_NOVERIFY, OPT_NONCE, OPT_NO_NONCE,
137 OPT_RESP_NO_CERTS, OPT_RESP_KEY_ID, OPT_NO_CERTS,
138 OPT_NO_SIGNATURE_VERIFY, OPT_NO_CERT_VERIFY, OPT_NO_CHAIN,
139 OPT_NO_CERT_CHECKS, OPT_NO_EXPLICIT, OPT_TRUST_OTHER,
140 OPT_NO_INTERN, OPT_BADSIG, OPT_TEXT, OPT_REQ_TEXT, OPT_RESP_TEXT,
141 OPT_REQIN, OPT_RESPIN, OPT_SIGNER, OPT_VAFILE, OPT_SIGN_OTHER,
142 OPT_VERIFY_OTHER, OPT_CAFILE, OPT_CAPATH, OPT_NOCAFILE, OPT_NOCAPATH,
143 OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT,
144 OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL,
145 OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER,
146 OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_HEADER,
151 OPTIONS ocsp_options[] = {
152 {"help", OPT_HELP, '-', "Display this summary"},
153 {"out", OPT_OUTFILE, '>', "Output filename"},
154 {"timeout", OPT_TIMEOUT, 'p',
155 "Connection timeout (in seconds) to the OCSP responder"},
156 {"url", OPT_URL, 's', "Responder URL"},
157 {"host", OPT_HOST, 's', "host:prot top to connect to"},
158 {"port", OPT_PORT, 'p', "Port to run responder on"},
159 {"ignore_err", OPT_IGNORE_ERR, '-'},
160 {"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"},
161 {"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"},
162 {"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"},
163 {"resp_no_certs", OPT_RESP_NO_CERTS, '-',
164 "Don't include any certificates in response"},
165 {"resp_key_id", OPT_RESP_KEY_ID, '-',
166 "Identify reponse by signing certificate key ID"},
167 {"no_certs", OPT_NO_CERTS, '-',
168 "Don't include any certificates in signed request"},
169 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-',
170 "Don't check signature on response"},
171 {"no_cert_verify", OPT_NO_CERT_VERIFY, '-',
172 "Don't check signing certificate"},
173 {"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"},
174 {"no_cert_checks", OPT_NO_CERT_CHECKS, '-',
175 "Don't do additional checks on signing certificate"},
176 {"no_explicit", OPT_NO_EXPLICIT, '-'},
177 {"trust_other", OPT_TRUST_OTHER, '-',
178 "Don't verify additional certificates"},
179 {"no_intern", OPT_NO_INTERN, '-',
180 "Don't search certificates contained in response for signer"},
181 {"badsig", OPT_BADSIG, '-',
182 "Corrupt last byte of loaded OSCP response signature (for test)"},
183 {"text", OPT_TEXT, '-', "Print text form of request and response"},
184 {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"},
185 {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"},
186 {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"},
187 {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"},
188 {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"},
189 {"VAfile", OPT_VAFILE, '<', "Validator certificates file"},
190 {"sign_other", OPT_SIGN_OTHER, '<',
191 "Additional certificates to include in signed request"},
192 {"verify_other", OPT_VERIFY_OTHER, '<',
193 "Additional certificates to search for signer"},
194 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
195 {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"},
196 {"no-CAfile", OPT_NOCAFILE, '-',
197 "Do not load the default certificates file"},
198 {"no-CApath", OPT_NOCAPATH, '-',
199 "Do not load certificates from the default certificates directory"},
200 {"validity_period", OPT_VALIDITY_PERIOD, 'u',
201 "Maximum validity discrepancy in seconds"},
202 {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"},
203 {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"},
204 {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"},
205 {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"},
206 {"path", OPT_PATH, 's', "Path to use in OCSP request"},
207 {"issuer", OPT_ISSUER, '<', "Issuer certificate"},
208 {"cert", OPT_CERT, '<', "Certificate to check"},
209 {"serial", OPT_SERIAL, 's', "Serial number to check"},
210 {"index", OPT_INDEX, '<', "Certificate status index file"},
211 {"CA", OPT_CA, '<', "CA certificate"},
212 {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"},
213 {"nrequest", OPT_REQUEST, 'p',
214 "Number of requests to accept (default unlimited)"},
215 {"ndays", OPT_NDAYS, 'p', "Number of days before next update"},
216 {"rsigner", OPT_RSIGNER, '<',
217 "Sesponder certificate to sign responses with"},
218 {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"},
219 {"rother", OPT_ROTHER, '<', "Other certificates to include in response"},
220 {"rmd", OPT_RMD, 's', "Digest Algorithm to use in signature of OCSP response"},
221 {"header", OPT_HEADER, 's', "key=value header to add"},
222 {"", OPT_MD, '-', "Any supported digest algorithm (sha1,sha256, ... )"},
227 int ocsp_main(int argc, char **argv)
229 BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
230 const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
232 EVP_PKEY *key = NULL, *rkey = NULL;
233 OCSP_BASICRESP *bs = NULL;
234 OCSP_REQUEST *req = NULL;
235 OCSP_RESPONSE *resp = NULL;
236 STACK_OF(CONF_VALUE) *headers = NULL;
237 STACK_OF(OCSP_CERTID) *ids = NULL;
238 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
239 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
240 STACK_OF(X509) *issuers = NULL;
241 X509 *issuer = NULL, *cert = NULL, *rca_cert = NULL;
242 X509 *signer = NULL, *rsigner = NULL;
243 X509_STORE *store = NULL;
244 X509_VERIFY_PARAM *vpm = NULL;
245 char *CAfile = NULL, *CApath = NULL, *header, *value;
246 char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
247 char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
248 char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
249 char *rsignfile = NULL, *rkeyfile = NULL;
250 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
251 char *signfile = NULL, *keyfile = NULL;
252 char *thost = NULL, *tport = NULL, *tpath = NULL;
253 int noCAfile = 0, noCApath = 0;
254 int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
255 int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
256 int req_text = 0, resp_text = 0, ret = 1;
257 #ifndef OPENSSL_NO_SOCK
258 int req_timeout = -1;
260 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
261 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
265 reqnames = sk_OPENSSL_STRING_new_null();
268 ids = sk_OCSP_CERTID_new_null();
271 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
274 prog = opt_init(argc, argv, ocsp_options);
275 while ((o = opt_next()) != OPT_EOF) {
280 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
284 opt_help(ocsp_options);
290 #ifndef OPENSSL_NO_SOCK
291 req_timeout = atoi(opt_arg());
298 thost = tport = tpath = NULL;
299 if (!OCSP_parse_url(opt_arg(), &host, &port, &path, &use_ssl)) {
300 BIO_printf(bio_err, "%s Error parsing URL\n", prog);
325 case OPT_RESP_NO_CERTS:
326 rflags |= OCSP_NOCERTS;
328 case OPT_RESP_KEY_ID:
329 rflags |= OCSP_RESPID_KEY;
332 sign_flags |= OCSP_NOCERTS;
334 case OPT_NO_SIGNATURE_VERIFY:
335 verify_flags |= OCSP_NOSIGS;
337 case OPT_NO_CERT_VERIFY:
338 verify_flags |= OCSP_NOVERIFY;
341 verify_flags |= OCSP_NOCHAIN;
343 case OPT_NO_CERT_CHECKS:
344 verify_flags |= OCSP_NOCHECKS;
346 case OPT_NO_EXPLICIT:
347 verify_flags |= OCSP_NOEXPLICIT;
349 case OPT_TRUST_OTHER:
350 verify_flags |= OCSP_TRUSTOTHER;
353 verify_flags |= OCSP_NOINTERN;
359 req_text = resp_text = 1;
374 signfile = opt_arg();
377 verify_certfile = opt_arg();
378 verify_flags |= OCSP_TRUSTOTHER;
381 sign_certfile = opt_arg();
383 case OPT_VERIFY_OTHER:
384 verify_certfile = opt_arg();
399 if (!opt_verify(o, vpm))
403 case OPT_VALIDITY_PERIOD:
404 opt_long(opt_arg(), &nsec);
407 opt_long(opt_arg(), &maxage);
422 issuer = load_cert(opt_arg(), FORMAT_PEM, "issuer certificate");
425 if (issuers == NULL) {
426 if ((issuers = sk_X509_new_null()) == NULL)
429 sk_X509_push(issuers, issuer);
433 cert = load_cert(opt_arg(), FORMAT_PEM, "certificate");
436 if (cert_id_md == NULL)
437 cert_id_md = EVP_sha1();
438 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
440 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
444 if (cert_id_md == NULL)
445 cert_id_md = EVP_sha1();
446 if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
448 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
452 ridx_filename = opt_arg();
455 rca_filename = opt_arg();
458 opt_int(opt_arg(), &nmin);
463 opt_int(opt_arg(), &accept_count);
466 ndays = atoi(opt_arg());
469 rsignfile = opt_arg();
472 rkeyfile = opt_arg();
475 rcertfile = opt_arg();
477 case OPT_RMD: /* Response MessageDigest */
478 if (!opt_md(opt_arg(), &rsign_md))
483 value = strchr(header, '=');
485 BIO_printf(bio_err, "Missing = in header key=value\n");
489 if (!X509V3_add_value(header, value, &headers))
493 if (cert_id_md != NULL) {
495 "%s: Digest must be before -cert or -serial\n",
499 if (!opt_md(opt_unknown(), &cert_id_md))
504 argc = opt_num_rest();
508 /* Have we anything to do? */
509 if (!req && !reqin && !respin && !(port && ridx_filename))
512 out = bio_open_default(outfile, 'w', FORMAT_TEXT);
516 if (!req && (add_nonce != 2))
520 derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
523 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
526 BIO_printf(bio_err, "Error reading OCSP request\n");
532 acbio = init_responder(port);
539 rkeyfile = rsignfile;
540 rsigner = load_cert(rsignfile, FORMAT_PEM, "responder certificate");
542 BIO_printf(bio_err, "Error loading responder certificate\n");
545 rca_cert = load_cert(rca_filename, FORMAT_PEM, "CA certificate");
547 if (!load_certs(rcertfile, &rother, FORMAT_PEM, NULL,
548 "responder other certificates"))
551 rkey = load_key(rkeyfile, FORMAT_PEM, 0, NULL, NULL,
552 "responder private key");
557 BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
562 if (!do_responder(&req, &cbio, acbio))
566 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
568 send_ocsp_response(cbio, resp);
573 if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) {
574 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
578 if (req && add_nonce)
579 OCSP_request_add1_nonce(req, NULL, -1);
584 signer = load_cert(signfile, FORMAT_PEM, "signer certificate");
586 BIO_printf(bio_err, "Error loading signer certificate\n");
590 if (!load_certs(sign_certfile, &sign_other, FORMAT_PEM, NULL,
591 "signer certificates"))
594 key = load_key(keyfile, FORMAT_PEM, 0, NULL, NULL,
595 "signer private key");
599 if (!OCSP_request_sign
600 (req, signer, key, NULL, sign_other, sign_flags)) {
601 BIO_printf(bio_err, "Error signing OCSP request\n");
607 OCSP_REQUEST_print(out, req, 0);
610 derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
613 i2d_OCSP_REQUEST_bio(derbio, req);
617 if (ridx_filename && (!rkey || !rsigner || !rca_cert)) {
619 "Need a responder certificate, key and CA for this operation!\n");
623 if (ridx_filename && !rdb) {
624 rdb = load_index(ridx_filename, NULL);
627 if (!index_index(rdb))
632 make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey,
633 rsign_md, rother, rflags, nmin, ndays, badsig);
635 send_ocsp_response(cbio, resp);
637 # ifndef OPENSSL_NO_SOCK
638 resp = process_responder(req, host, path,
639 port, use_ssl, headers, req_timeout);
644 "Error creating connect BIO - sockets not supported.\n");
648 derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
651 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
654 BIO_printf(bio_err, "Error reading OCSP response\n");
665 derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
668 i2d_OCSP_RESPONSE_bio(derbio, resp);
672 i = OCSP_response_status(resp);
673 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
674 BIO_printf(out, "Responder Error: %s (%d)\n",
675 OCSP_response_status_str(i), i);
683 OCSP_RESPONSE_print(out, resp, 0);
685 /* If running as responder don't verify our own response */
687 /* If not unlimited, see if we took all we should. */
688 if (accept_count != -1 && --accept_count <= 0) {
694 OCSP_REQUEST_free(req);
696 OCSP_RESPONSE_free(resp);
706 store = setup_verify(CAfile, CApath, noCAfile, noCApath);
711 X509_STORE_set1_param(store, vpm);
712 if (verify_certfile) {
713 if (!load_certs(verify_certfile, &verify_other, FORMAT_PEM, NULL,
714 "validator certificate"))
718 bs = OCSP_response_get1_basic(resp);
720 BIO_printf(bio_err, "Error parsing response\n");
727 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
729 BIO_printf(bio_err, "WARNING: no nonce in response\n");
731 BIO_printf(bio_err, "Nonce Verify error\n");
737 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
738 if (i <= 0 && issuers) {
739 i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
744 BIO_printf(bio_err, "Response Verify Failure\n");
745 ERR_print_errors(bio_err);
748 BIO_printf(bio_err, "Response verify OK\n");
752 print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage);
755 ERR_print_errors(bio_err);
757 X509_STORE_free(store);
758 X509_VERIFY_PARAM_free(vpm);
762 sk_X509_pop_free(issuers, X509_free);
769 OCSP_REQUEST_free(req);
770 OCSP_RESPONSE_free(resp);
771 OCSP_BASICRESP_free(bs);
772 sk_OPENSSL_STRING_free(reqnames);
773 sk_OCSP_CERTID_free(ids);
774 sk_X509_pop_free(sign_other, X509_free);
775 sk_X509_pop_free(verify_other, X509_free);
776 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
784 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
785 const EVP_MD *cert_id_md, X509 *issuer,
786 STACK_OF(OCSP_CERTID) *ids)
790 BIO_printf(bio_err, "No issuer certificate specified\n");
794 *req = OCSP_REQUEST_new();
797 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
798 if (!id || !sk_OCSP_CERTID_push(ids, id))
800 if (!OCSP_request_add0_id(*req, id))
805 BIO_printf(bio_err, "Error Creating OCSP request\n");
809 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
810 const EVP_MD *cert_id_md, X509 *issuer,
811 STACK_OF(OCSP_CERTID) *ids)
815 ASN1_BIT_STRING *ikey;
818 BIO_printf(bio_err, "No issuer certificate specified\n");
822 *req = OCSP_REQUEST_new();
825 iname = X509_get_subject_name(issuer);
826 ikey = X509_get0_pubkey_bitstr(issuer);
827 sno = s2i_ASN1_INTEGER(NULL, serial);
829 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
832 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
833 ASN1_INTEGER_free(sno);
834 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
836 if (!OCSP_request_add0_id(*req, id))
841 BIO_printf(bio_err, "Error Creating OCSP request\n");
845 static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
846 STACK_OF(OPENSSL_STRING) *names,
847 STACK_OF(OCSP_CERTID) *ids, long nsec,
852 int i, status, reason;
853 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
855 if (!bs || !req || !sk_OPENSSL_STRING_num(names)
856 || !sk_OCSP_CERTID_num(ids))
859 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
860 id = sk_OCSP_CERTID_value(ids, i);
861 name = sk_OPENSSL_STRING_value(names, i);
862 BIO_printf(out, "%s: ", name);
864 if (!OCSP_resp_find_status(bs, id, &status, &reason,
865 &rev, &thisupd, &nextupd)) {
866 BIO_puts(out, "ERROR: No Status found.\n");
871 * Check validity: if invalid write to output BIO so we know which
872 * response this refers to.
874 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
875 BIO_puts(out, "WARNING: Status times invalid.\n");
876 ERR_print_errors(out);
878 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
880 BIO_puts(out, "\tThis Update: ");
881 ASN1_GENERALIZEDTIME_print(out, thisupd);
885 BIO_puts(out, "\tNext Update: ");
886 ASN1_GENERALIZEDTIME_print(out, nextupd);
890 if (status != V_OCSP_CERTSTATUS_REVOKED)
894 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
896 BIO_puts(out, "\tRevocation Time: ");
897 ASN1_GENERALIZEDTIME_print(out, rev);
902 static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
903 CA_DB *db, X509 *ca, X509 *rcert,
904 EVP_PKEY *rkey, const EVP_MD *rmd,
905 STACK_OF(X509) *rother, unsigned long flags,
906 int nmin, int ndays, int badsig)
908 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
909 OCSP_CERTID *cid, *ca_id = NULL;
910 OCSP_BASICRESP *bs = NULL;
913 id_count = OCSP_request_onereq_count(req);
917 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
921 bs = OCSP_BASICRESP_new();
922 thisupd = X509_gmtime_adj(NULL, 0);
924 nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL);
926 /* Examine each certificate id in the request */
927 for (i = 0; i < id_count; i++) {
929 ASN1_INTEGER *serial;
931 ASN1_OBJECT *cert_id_md_oid;
932 const EVP_MD *cert_id_md;
933 one = OCSP_request_onereq_get0(req, i);
934 cid = OCSP_onereq_get0_id(one);
936 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
938 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
940 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
944 OCSP_CERTID_free(ca_id);
945 ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca);
947 /* Is this request about our CA? */
948 if (OCSP_id_issuer_cmp(ca_id, cid)) {
949 OCSP_basic_add1_status(bs, cid,
950 V_OCSP_CERTSTATUS_UNKNOWN,
951 0, NULL, thisupd, nextupd);
954 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
955 inf = lookup_serial(db, serial);
957 OCSP_basic_add1_status(bs, cid,
958 V_OCSP_CERTSTATUS_UNKNOWN,
959 0, NULL, thisupd, nextupd);
960 else if (inf[DB_type][0] == DB_TYPE_VAL)
961 OCSP_basic_add1_status(bs, cid,
962 V_OCSP_CERTSTATUS_GOOD,
963 0, NULL, thisupd, nextupd);
964 else if (inf[DB_type][0] == DB_TYPE_REV) {
965 ASN1_OBJECT *inst = NULL;
966 ASN1_TIME *revtm = NULL;
967 ASN1_GENERALIZEDTIME *invtm = NULL;
968 OCSP_SINGLERESP *single;
970 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
971 single = OCSP_basic_add1_status(bs, cid,
972 V_OCSP_CERTSTATUS_REVOKED,
973 reason, revtm, thisupd, nextupd);
975 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
978 OCSP_SINGLERESP_add1_ext_i2d(single,
979 NID_hold_instruction_code, inst,
981 ASN1_OBJECT_free(inst);
982 ASN1_TIME_free(revtm);
983 ASN1_GENERALIZEDTIME_free(invtm);
987 OCSP_copy_nonce(bs, req);
989 OCSP_basic_sign(bs, rcert, rkey, rmd, rother, flags);
992 ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs);
993 unsigned char *sigptr = ASN1_STRING_data(sig);
994 sigptr[ASN1_STRING_length(sig) - 1] ^= 0x1;
997 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
1000 ASN1_TIME_free(thisupd);
1001 ASN1_TIME_free(nextupd);
1002 OCSP_CERTID_free(ca_id);
1003 OCSP_BASICRESP_free(bs);
1006 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
1010 char *itmp, *row[DB_NUMBER], **rrow;
1011 for (i = 0; i < DB_NUMBER; i++)
1013 bn = ASN1_INTEGER_to_BN(ser, NULL);
1014 OPENSSL_assert(bn); /* FIXME: should report an error at this
1015 * point and abort */
1017 itmp = OPENSSL_strdup("00");
1019 itmp = BN_bn2hex(bn);
1020 row[DB_serial] = itmp;
1022 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
1027 /* Quick and dirty OCSP server: read in and parse input request */
1029 static BIO *init_responder(const char *port)
1031 # ifdef OPENSSL_NO_SOCK
1033 "Error setting up accept BIO - sockets not supported.\n");
1036 BIO *acbio = NULL, *bufbio = NULL;
1038 bufbio = BIO_new(BIO_f_buffer());
1041 acbio = BIO_new(BIO_s_accept());
1043 || BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR) < 0
1044 || BIO_set_accept_port(acbio, port) < 0) {
1045 BIO_printf(bio_err, "Error setting up accept BIO\n");
1046 ERR_print_errors(bio_err);
1050 BIO_set_accept_bios(acbio, bufbio);
1052 if (BIO_do_accept(acbio) <= 0) {
1053 BIO_printf(bio_err, "Error starting accept\n");
1054 ERR_print_errors(bio_err);
1061 BIO_free_all(acbio);
1067 # ifndef OPENSSL_NO_SOCK
1069 * Decode %xx URL-decoding in-place. Ignores mal-formed sequences.
1071 static int urldecode(char *p)
1073 unsigned char *out = (unsigned char *)p;
1074 unsigned char *save = out;
1079 else if (isxdigit(_UC(p[1])) && isxdigit(_UC(p[2]))) {
1080 /* Don't check, can't fail because of ixdigit() call. */
1081 *out++ = (OPENSSL_hexchar2int(p[1]) << 4)
1082 | OPENSSL_hexchar2int(p[2]);
1089 return (int)(out - save);
1093 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio)
1095 # ifdef OPENSSL_NO_SOCK
1099 OCSP_REQUEST *req = NULL;
1100 char inbuf[2048], reqbuf[2048];
1102 BIO *cbio = NULL, *getbio = NULL, *b64 = NULL;
1104 if (BIO_do_accept(acbio) <= 0) {
1105 BIO_printf(bio_err, "Error accepting connection\n");
1106 ERR_print_errors(bio_err);
1110 cbio = BIO_pop(acbio);
1113 /* Read the request line. */
1114 len = BIO_gets(cbio, reqbuf, sizeof reqbuf);
1117 if (strncmp(reqbuf, "GET ", 4) == 0) {
1118 /* Expecting GET {sp} /URL {sp} HTTP/1.x */
1119 for (p = reqbuf + 4; *p == ' '; ++p)
1122 BIO_printf(bio_err, "Invalid request -- bad URL\n");
1127 /* Splice off the HTTP version identifier. */
1128 for (q = p; *q; q++)
1131 if (strncmp(q, " HTTP/1.", 8) != 0) {
1132 BIO_printf(bio_err, "Invalid request -- bad HTTP vesion\n");
1138 BIO_printf(bio_err, "Invalid request -- bad URL encoding\n");
1141 if ((getbio = BIO_new_mem_buf(p, len)) == NULL
1142 || (b64 = BIO_new(BIO_f_base64())) == NULL) {
1143 BIO_printf(bio_err, "Could not allocate memory\n");
1144 ERR_print_errors(bio_err);
1147 BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1148 getbio = BIO_push(b64, getbio);
1149 } else if (strncmp(reqbuf, "POST ", 5) != 0) {
1150 BIO_printf(bio_err, "Invalid request -- bad HTTP verb\n");
1154 /* Read and skip past the headers. */
1156 len = BIO_gets(cbio, inbuf, sizeof inbuf);
1159 if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
1163 /* Try to read OCSP request */
1165 req = d2i_OCSP_REQUEST_bio(getbio, NULL);
1166 BIO_free_all(getbio);
1168 req = d2i_OCSP_REQUEST_bio(cbio, NULL);
1171 BIO_printf(bio_err, "Error parsing OCSP request\n");
1172 ERR_print_errors(bio_err);
1181 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
1184 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1185 "Content-Length: %d\r\n\r\n";
1188 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
1189 i2d_OCSP_RESPONSE_bio(cbio, resp);
1190 (void)BIO_flush(cbio);
1194 # ifndef OPENSSL_NO_SOCK
1195 static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
1197 const STACK_OF(CONF_VALUE) *headers,
1198 OCSP_REQUEST *req, int req_timeout)
1204 OCSP_REQ_CTX *ctx = NULL;
1205 OCSP_RESPONSE *rsp = NULL;
1209 if (req_timeout != -1)
1210 BIO_set_nbio(cbio, 1);
1212 rv = BIO_do_connect(cbio);
1214 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) {
1215 BIO_puts(bio_err, "Error connecting BIO\n");
1219 if (BIO_get_fd(cbio, &fd) < 0) {
1220 BIO_puts(bio_err, "Can't get connection fd\n");
1224 if (req_timeout != -1 && rv <= 0) {
1226 openssl_fdset(fd, &confds);
1228 tv.tv_sec = req_timeout;
1229 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1231 BIO_puts(bio_err, "Timeout on connect\n");
1236 ctx = OCSP_sendreq_new(cbio, path, NULL, -1);
1240 for (i = 0; i < sk_CONF_VALUE_num(headers); i++) {
1241 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i);
1242 if (add_host == 1 && strcasecmp("host", hdr->name) == 0)
1244 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value))
1248 if (add_host == 1 && OCSP_REQ_CTX_add1_header(ctx, "Host", host) == 0)
1251 if (!OCSP_REQ_CTX_set1_req(ctx, req))
1255 rv = OCSP_sendreq_nbio(&rsp, ctx);
1258 if (req_timeout == -1)
1261 openssl_fdset(fd, &confds);
1263 tv.tv_sec = req_timeout;
1264 if (BIO_should_read(cbio))
1265 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv);
1266 else if (BIO_should_write(cbio))
1267 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1269 BIO_puts(bio_err, "Unexpected retry condition\n");
1273 BIO_puts(bio_err, "Timeout on request\n");
1277 BIO_puts(bio_err, "Select error\n");
1283 OCSP_REQ_CTX_free(ctx);
1288 OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,
1289 const char *host, const char *path,
1290 const char *port, int use_ssl,
1291 STACK_OF(CONF_VALUE) *headers,
1295 SSL_CTX *ctx = NULL;
1296 OCSP_RESPONSE *resp = NULL;
1298 cbio = BIO_new_connect(host);
1300 BIO_printf(bio_err, "Error creating connect BIO\n");
1304 BIO_set_conn_port(cbio, port);
1307 ctx = SSL_CTX_new(TLS_client_method());
1309 BIO_printf(bio_err, "Error creating SSL context.\n");
1312 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
1313 sbio = BIO_new_ssl(ctx, 1);
1314 cbio = BIO_push(sbio, cbio);
1317 resp = query_responder(cbio, host, path, headers, req, req_timeout);
1319 BIO_printf(bio_err, "Error querying OCSP responder\n");