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;
233 EVP_PKEY *key = NULL, *rkey = NULL;
234 OCSP_BASICRESP *bs = NULL;
235 OCSP_REQUEST *req = NULL;
236 OCSP_RESPONSE *resp = NULL;
237 STACK_OF(CONF_VALUE) *headers = NULL;
238 STACK_OF(OCSP_CERTID) *ids = NULL;
239 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
240 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
241 STACK_OF(X509) *issuers = NULL;
242 X509 *issuer = NULL, *cert = NULL, *rca_cert = NULL;
243 X509 *signer = NULL, *rsigner = NULL;
244 X509_STORE *store = NULL;
245 X509_VERIFY_PARAM *vpm = NULL;
246 char *CAfile = NULL, *CApath = NULL, *header, *value;
247 char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
248 char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
249 char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
250 char *rsignfile = NULL, *rkeyfile = NULL;
251 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
252 char *signfile = NULL, *keyfile = NULL;
253 char *thost = NULL, *tport = NULL, *tpath = NULL;
254 int noCAfile = 0, noCApath = 0;
255 int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
256 int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
257 int req_text = 0, resp_text = 0, ret = 1;
258 #ifndef OPENSSL_NO_SOCK
259 int req_timeout = -1;
261 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
262 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
266 reqnames = sk_OPENSSL_STRING_new_null();
269 ids = sk_OCSP_CERTID_new_null();
272 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
275 prog = opt_init(argc, argv, ocsp_options);
276 while ((o = opt_next()) != OPT_EOF) {
281 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
285 opt_help(ocsp_options);
291 #ifndef OPENSSL_NO_SOCK
292 req_timeout = atoi(opt_arg());
299 thost = tport = tpath = NULL;
300 if (!OCSP_parse_url(opt_arg(), &host, &port, &path, &use_ssl)) {
301 BIO_printf(bio_err, "%s Error parsing URL\n", prog);
326 case OPT_RESP_NO_CERTS:
327 rflags |= OCSP_NOCERTS;
329 case OPT_RESP_KEY_ID:
330 rflags |= OCSP_RESPID_KEY;
333 sign_flags |= OCSP_NOCERTS;
335 case OPT_NO_SIGNATURE_VERIFY:
336 verify_flags |= OCSP_NOSIGS;
338 case OPT_NO_CERT_VERIFY:
339 verify_flags |= OCSP_NOVERIFY;
342 verify_flags |= OCSP_NOCHAIN;
344 case OPT_NO_CERT_CHECKS:
345 verify_flags |= OCSP_NOCHECKS;
347 case OPT_NO_EXPLICIT:
348 verify_flags |= OCSP_NOEXPLICIT;
350 case OPT_TRUST_OTHER:
351 verify_flags |= OCSP_TRUSTOTHER;
354 verify_flags |= OCSP_NOINTERN;
360 req_text = resp_text = 1;
375 signfile = opt_arg();
378 verify_certfile = opt_arg();
379 verify_flags |= OCSP_TRUSTOTHER;
382 sign_certfile = opt_arg();
384 case OPT_VERIFY_OTHER:
385 verify_certfile = opt_arg();
400 if (!opt_verify(o, vpm))
404 case OPT_VALIDITY_PERIOD:
405 opt_long(opt_arg(), &nsec);
408 opt_long(opt_arg(), &maxage);
423 issuer = load_cert(opt_arg(), FORMAT_PEM, "issuer certificate");
426 if (issuers == NULL) {
427 if ((issuers = sk_X509_new_null()) == NULL)
430 sk_X509_push(issuers, issuer);
434 cert = load_cert(opt_arg(), FORMAT_PEM, "certificate");
437 if (cert_id_md == NULL)
438 cert_id_md = EVP_sha1();
439 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
441 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
446 if (cert_id_md == NULL)
447 cert_id_md = EVP_sha1();
448 if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
450 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
455 ridx_filename = opt_arg();
458 rca_filename = opt_arg();
461 opt_int(opt_arg(), &nmin);
466 opt_int(opt_arg(), &accept_count);
469 ndays = atoi(opt_arg());
472 rsignfile = opt_arg();
475 rkeyfile = opt_arg();
478 rcertfile = opt_arg();
480 case OPT_RMD: /* Response MessageDigest */
481 if (!opt_md(opt_arg(), &rsign_md))
486 value = strchr(header, '=');
488 BIO_printf(bio_err, "Missing = in header key=value\n");
492 if (!X509V3_add_value(header, value, &headers))
498 "%s: Digest must be before -cert or -serial\n",
502 if (!opt_md(opt_unknown(), &cert_id_md))
510 BIO_printf(bio_err, "%s: Digest must be before -cert or -serial\n",
514 argc = opt_num_rest();
518 /* Have we anything to do? */
519 if (!req && !reqin && !respin && !(port && ridx_filename))
522 out = bio_open_default(outfile, 'w', FORMAT_TEXT);
526 if (!req && (add_nonce != 2))
530 derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
533 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
536 BIO_printf(bio_err, "Error reading OCSP request\n");
542 acbio = init_responder(port);
549 rkeyfile = rsignfile;
550 rsigner = load_cert(rsignfile, FORMAT_PEM, "responder certificate");
552 BIO_printf(bio_err, "Error loading responder certificate\n");
555 rca_cert = load_cert(rca_filename, FORMAT_PEM, "CA certificate");
557 if (!load_certs(rcertfile, &rother, FORMAT_PEM, NULL,
558 "responder other certificates"))
561 rkey = load_key(rkeyfile, FORMAT_PEM, 0, NULL, NULL,
562 "responder private key");
567 BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
572 if (!do_responder(&req, &cbio, acbio))
576 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
578 send_ocsp_response(cbio, resp);
583 if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) {
584 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
588 if (req && add_nonce)
589 OCSP_request_add1_nonce(req, NULL, -1);
594 signer = load_cert(signfile, FORMAT_PEM, "signer certificate");
596 BIO_printf(bio_err, "Error loading signer certificate\n");
600 if (!load_certs(sign_certfile, &sign_other, FORMAT_PEM, NULL,
601 "signer certificates"))
604 key = load_key(keyfile, FORMAT_PEM, 0, NULL, NULL,
605 "signer private key");
609 if (!OCSP_request_sign
610 (req, signer, key, NULL, sign_other, sign_flags)) {
611 BIO_printf(bio_err, "Error signing OCSP request\n");
617 OCSP_REQUEST_print(out, req, 0);
620 derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
623 i2d_OCSP_REQUEST_bio(derbio, req);
627 if (ridx_filename && (!rkey || !rsigner || !rca_cert)) {
629 "Need a responder certificate, key and CA for this operation!\n");
633 if (ridx_filename && !rdb) {
634 rdb = load_index(ridx_filename, NULL);
637 if (!index_index(rdb))
642 make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey,
643 rsign_md, rother, rflags, nmin, ndays, badsig);
645 send_ocsp_response(cbio, resp);
647 # ifndef OPENSSL_NO_SOCK
648 resp = process_responder(req, host, path,
649 port, use_ssl, headers, req_timeout);
654 "Error creating connect BIO - sockets not supported.\n");
658 derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
661 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
664 BIO_printf(bio_err, "Error reading OCSP response\n");
675 derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
678 i2d_OCSP_RESPONSE_bio(derbio, resp);
682 i = OCSP_response_status(resp);
683 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
684 BIO_printf(out, "Responder Error: %s (%d)\n",
685 OCSP_response_status_str(i), i);
693 OCSP_RESPONSE_print(out, resp, 0);
695 /* If running as responder don't verify our own response */
697 /* If not unlimited, see if we took all we should. */
698 if (accept_count != -1 && --accept_count <= 0) {
704 OCSP_REQUEST_free(req);
706 OCSP_RESPONSE_free(resp);
716 store = setup_verify(CAfile, CApath, noCAfile, noCApath);
721 X509_STORE_set1_param(store, vpm);
722 if (verify_certfile) {
723 if (!load_certs(verify_certfile, &verify_other, FORMAT_PEM, NULL,
724 "validator certificate"))
728 bs = OCSP_response_get1_basic(resp);
730 BIO_printf(bio_err, "Error parsing response\n");
737 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
739 BIO_printf(bio_err, "WARNING: no nonce in response\n");
741 BIO_printf(bio_err, "Nonce Verify error\n");
747 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
748 if (i <= 0 && issuers) {
749 i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
754 BIO_printf(bio_err, "Response Verify Failure\n");
755 ERR_print_errors(bio_err);
758 BIO_printf(bio_err, "Response verify OK\n");
762 print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage);
765 ERR_print_errors(bio_err);
767 X509_STORE_free(store);
768 X509_VERIFY_PARAM_free(vpm);
772 sk_X509_pop_free(issuers, X509_free);
779 OCSP_REQUEST_free(req);
780 OCSP_RESPONSE_free(resp);
781 OCSP_BASICRESP_free(bs);
782 sk_OPENSSL_STRING_free(reqnames);
783 sk_OCSP_CERTID_free(ids);
784 sk_X509_pop_free(sign_other, X509_free);
785 sk_X509_pop_free(verify_other, X509_free);
786 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
794 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
795 const EVP_MD *cert_id_md, X509 *issuer,
796 STACK_OF(OCSP_CERTID) *ids)
800 BIO_printf(bio_err, "No issuer certificate specified\n");
804 *req = OCSP_REQUEST_new();
807 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
808 if (!id || !sk_OCSP_CERTID_push(ids, id))
810 if (!OCSP_request_add0_id(*req, id))
815 BIO_printf(bio_err, "Error Creating OCSP request\n");
819 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
820 const EVP_MD *cert_id_md, X509 *issuer,
821 STACK_OF(OCSP_CERTID) *ids)
825 ASN1_BIT_STRING *ikey;
828 BIO_printf(bio_err, "No issuer certificate specified\n");
832 *req = OCSP_REQUEST_new();
835 iname = X509_get_subject_name(issuer);
836 ikey = X509_get0_pubkey_bitstr(issuer);
837 sno = s2i_ASN1_INTEGER(NULL, serial);
839 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
842 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
843 ASN1_INTEGER_free(sno);
844 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
846 if (!OCSP_request_add0_id(*req, id))
851 BIO_printf(bio_err, "Error Creating OCSP request\n");
855 static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
856 STACK_OF(OPENSSL_STRING) *names,
857 STACK_OF(OCSP_CERTID) *ids, long nsec,
862 int i, status, reason;
863 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
865 if (!bs || !req || !sk_OPENSSL_STRING_num(names)
866 || !sk_OCSP_CERTID_num(ids))
869 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
870 id = sk_OCSP_CERTID_value(ids, i);
871 name = sk_OPENSSL_STRING_value(names, i);
872 BIO_printf(out, "%s: ", name);
874 if (!OCSP_resp_find_status(bs, id, &status, &reason,
875 &rev, &thisupd, &nextupd)) {
876 BIO_puts(out, "ERROR: No Status found.\n");
881 * Check validity: if invalid write to output BIO so we know which
882 * response this refers to.
884 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
885 BIO_puts(out, "WARNING: Status times invalid.\n");
886 ERR_print_errors(out);
888 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
890 BIO_puts(out, "\tThis Update: ");
891 ASN1_GENERALIZEDTIME_print(out, thisupd);
895 BIO_puts(out, "\tNext Update: ");
896 ASN1_GENERALIZEDTIME_print(out, nextupd);
900 if (status != V_OCSP_CERTSTATUS_REVOKED)
904 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
906 BIO_puts(out, "\tRevocation Time: ");
907 ASN1_GENERALIZEDTIME_print(out, rev);
912 static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
913 CA_DB *db, X509 *ca, X509 *rcert,
914 EVP_PKEY *rkey, const EVP_MD *rmd,
915 STACK_OF(X509) *rother, unsigned long flags,
916 int nmin, int ndays, int badsig)
918 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
919 OCSP_CERTID *cid, *ca_id = NULL;
920 OCSP_BASICRESP *bs = NULL;
923 id_count = OCSP_request_onereq_count(req);
927 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
931 bs = OCSP_BASICRESP_new();
932 thisupd = X509_gmtime_adj(NULL, 0);
934 nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL);
936 /* Examine each certificate id in the request */
937 for (i = 0; i < id_count; i++) {
939 ASN1_INTEGER *serial;
941 ASN1_OBJECT *cert_id_md_oid;
942 const EVP_MD *cert_id_md;
943 one = OCSP_request_onereq_get0(req, i);
944 cid = OCSP_onereq_get0_id(one);
946 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
948 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
950 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
954 OCSP_CERTID_free(ca_id);
955 ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca);
957 /* Is this request about our CA? */
958 if (OCSP_id_issuer_cmp(ca_id, cid)) {
959 OCSP_basic_add1_status(bs, cid,
960 V_OCSP_CERTSTATUS_UNKNOWN,
961 0, NULL, thisupd, nextupd);
964 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
965 inf = lookup_serial(db, serial);
967 OCSP_basic_add1_status(bs, cid,
968 V_OCSP_CERTSTATUS_UNKNOWN,
969 0, NULL, thisupd, nextupd);
970 else if (inf[DB_type][0] == DB_TYPE_VAL)
971 OCSP_basic_add1_status(bs, cid,
972 V_OCSP_CERTSTATUS_GOOD,
973 0, NULL, thisupd, nextupd);
974 else if (inf[DB_type][0] == DB_TYPE_REV) {
975 ASN1_OBJECT *inst = NULL;
976 ASN1_TIME *revtm = NULL;
977 ASN1_GENERALIZEDTIME *invtm = NULL;
978 OCSP_SINGLERESP *single;
980 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
981 single = OCSP_basic_add1_status(bs, cid,
982 V_OCSP_CERTSTATUS_REVOKED,
983 reason, revtm, thisupd, nextupd);
985 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
988 OCSP_SINGLERESP_add1_ext_i2d(single,
989 NID_hold_instruction_code, inst,
991 ASN1_OBJECT_free(inst);
992 ASN1_TIME_free(revtm);
993 ASN1_GENERALIZEDTIME_free(invtm);
997 OCSP_copy_nonce(bs, req);
999 OCSP_basic_sign(bs, rcert, rkey, rmd, rother, flags);
1002 ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs);
1003 unsigned char *sigptr = ASN1_STRING_data(sig);
1004 sigptr[ASN1_STRING_length(sig) - 1] ^= 0x1;
1007 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
1010 ASN1_TIME_free(thisupd);
1011 ASN1_TIME_free(nextupd);
1012 OCSP_CERTID_free(ca_id);
1013 OCSP_BASICRESP_free(bs);
1016 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
1020 char *itmp, *row[DB_NUMBER], **rrow;
1021 for (i = 0; i < DB_NUMBER; i++)
1023 bn = ASN1_INTEGER_to_BN(ser, NULL);
1024 OPENSSL_assert(bn); /* FIXME: should report an error at this
1025 * point and abort */
1027 itmp = OPENSSL_strdup("00");
1029 itmp = BN_bn2hex(bn);
1030 row[DB_serial] = itmp;
1032 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
1037 /* Quick and dirty OCSP server: read in and parse input request */
1039 static BIO *init_responder(const char *port)
1041 # ifdef OPENSSL_NO_SOCK
1043 "Error setting up accept BIO - sockets not supported.\n");
1046 BIO *acbio = NULL, *bufbio = NULL;
1048 bufbio = BIO_new(BIO_f_buffer());
1051 acbio = BIO_new(BIO_s_accept());
1053 || BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR) < 0
1054 || BIO_set_accept_port(acbio, port) < 0) {
1055 BIO_printf(bio_err, "Error setting up accept BIO\n");
1056 ERR_print_errors(bio_err);
1060 BIO_set_accept_bios(acbio, bufbio);
1062 if (BIO_do_accept(acbio) <= 0) {
1063 BIO_printf(bio_err, "Error starting accept\n");
1064 ERR_print_errors(bio_err);
1071 BIO_free_all(acbio);
1077 # ifndef OPENSSL_NO_SOCK
1079 * Decode %xx URL-decoding in-place. Ignores mal-formed sequences.
1081 static int urldecode(char *p)
1083 unsigned char *out = (unsigned char *)p;
1084 unsigned char *save = out;
1089 else if (isxdigit(_UC(p[1])) && isxdigit(_UC(p[2]))) {
1090 /* Don't check, can't fail because of ixdigit() call. */
1091 *out++ = (OPENSSL_hexchar2int(p[1]) << 4)
1092 | OPENSSL_hexchar2int(p[2]);
1099 return (int)(out - save);
1103 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio)
1105 # ifdef OPENSSL_NO_SOCK
1109 OCSP_REQUEST *req = NULL;
1110 char inbuf[2048], reqbuf[2048];
1112 BIO *cbio = NULL, *getbio = NULL, *b64 = NULL;
1114 if (BIO_do_accept(acbio) <= 0) {
1115 BIO_printf(bio_err, "Error accepting connection\n");
1116 ERR_print_errors(bio_err);
1120 cbio = BIO_pop(acbio);
1123 /* Read the request line. */
1124 len = BIO_gets(cbio, reqbuf, sizeof reqbuf);
1127 if (strncmp(reqbuf, "GET ", 4) == 0) {
1128 /* Expecting GET {sp} /URL {sp} HTTP/1.x */
1129 for (p = reqbuf + 4; *p == ' '; ++p)
1132 BIO_printf(bio_err, "Invalid request -- bad URL\n");
1137 /* Splice off the HTTP version identifier. */
1138 for (q = p; *q; q++)
1141 if (strncmp(q, " HTTP/1.", 8) != 0) {
1142 BIO_printf(bio_err, "Invalid request -- bad HTTP vesion\n");
1148 BIO_printf(bio_err, "Invalid request -- bad URL encoding\n");
1151 if ((getbio = BIO_new_mem_buf(p, len)) == NULL
1152 || (b64 = BIO_new(BIO_f_base64())) == NULL) {
1153 BIO_printf(bio_err, "Could not allocate memory\n");
1154 ERR_print_errors(bio_err);
1157 BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1158 getbio = BIO_push(b64, getbio);
1159 } else if (strncmp(reqbuf, "POST ", 5) != 0) {
1160 BIO_printf(bio_err, "Invalid request -- bad HTTP verb\n");
1164 /* Read and skip past the headers. */
1166 len = BIO_gets(cbio, inbuf, sizeof inbuf);
1169 if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
1173 /* Try to read OCSP request */
1175 req = d2i_OCSP_REQUEST_bio(getbio, NULL);
1176 BIO_free_all(getbio);
1178 req = d2i_OCSP_REQUEST_bio(cbio, NULL);
1181 BIO_printf(bio_err, "Error parsing OCSP request\n");
1182 ERR_print_errors(bio_err);
1191 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
1194 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1195 "Content-Length: %d\r\n\r\n";
1198 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
1199 i2d_OCSP_RESPONSE_bio(cbio, resp);
1200 (void)BIO_flush(cbio);
1204 # ifndef OPENSSL_NO_SOCK
1205 static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
1207 const STACK_OF(CONF_VALUE) *headers,
1208 OCSP_REQUEST *req, int req_timeout)
1214 OCSP_REQ_CTX *ctx = NULL;
1215 OCSP_RESPONSE *rsp = NULL;
1219 if (req_timeout != -1)
1220 BIO_set_nbio(cbio, 1);
1222 rv = BIO_do_connect(cbio);
1224 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) {
1225 BIO_puts(bio_err, "Error connecting BIO\n");
1229 if (BIO_get_fd(cbio, &fd) < 0) {
1230 BIO_puts(bio_err, "Can't get connection fd\n");
1234 if (req_timeout != -1 && rv <= 0) {
1236 openssl_fdset(fd, &confds);
1238 tv.tv_sec = req_timeout;
1239 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1241 BIO_puts(bio_err, "Timeout on connect\n");
1246 ctx = OCSP_sendreq_new(cbio, path, NULL, -1);
1250 for (i = 0; i < sk_CONF_VALUE_num(headers); i++) {
1251 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i);
1252 if (add_host == 1 && strcasecmp("host", hdr->name) == 0)
1254 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value))
1258 if (add_host == 1 && OCSP_REQ_CTX_add1_header(ctx, "Host", host) == 0)
1261 if (!OCSP_REQ_CTX_set1_req(ctx, req))
1265 rv = OCSP_sendreq_nbio(&rsp, ctx);
1268 if (req_timeout == -1)
1271 openssl_fdset(fd, &confds);
1273 tv.tv_sec = req_timeout;
1274 if (BIO_should_read(cbio))
1275 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv);
1276 else if (BIO_should_write(cbio))
1277 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1279 BIO_puts(bio_err, "Unexpected retry condition\n");
1283 BIO_puts(bio_err, "Timeout on request\n");
1287 BIO_puts(bio_err, "Select error\n");
1293 OCSP_REQ_CTX_free(ctx);
1298 OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,
1299 const char *host, const char *path,
1300 const char *port, int use_ssl,
1301 STACK_OF(CONF_VALUE) *headers,
1305 SSL_CTX *ctx = NULL;
1306 OCSP_RESPONSE *resp = NULL;
1308 cbio = BIO_new_connect(host);
1310 BIO_printf(bio_err, "Error creating connect BIO\n");
1314 BIO_set_conn_port(cbio, port);
1317 ctx = SSL_CTX_new(TLS_client_method());
1319 BIO_printf(bio_err, "Error creating SSL context.\n");
1322 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
1323 sbio = BIO_new_ssl(ctx, 1);
1324 cbio = BIO_push(sbio, cbio);
1327 resp = query_responder(cbio, host, path, headers, req, req_timeout);
1329 BIO_printf(bio_err, "Error querying OCSP responder\n");