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 {"text", OPT_TEXT, '-', "Print text form of request and response"},
183 {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"},
184 {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"},
185 {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"},
186 {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"},
187 {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"},
188 {"VAfile", OPT_VAFILE, '<', "Validator certificates file"},
189 {"sign_other", OPT_SIGN_OTHER, '<',
190 "Additional certificates to include in signed request"},
191 {"verify_other", OPT_VERIFY_OTHER, '<',
192 "Additional certificates to search for signer"},
193 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
194 {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"},
195 {"no-CAfile", OPT_NOCAFILE, '-',
196 "Do not load the default certificates file"},
197 {"no-CApath", OPT_NOCAPATH, '-',
198 "Do not load certificates from the default certificates directory"},
199 {"validity_period", OPT_VALIDITY_PERIOD, 'u',
200 "Maximum validity discrepancy in seconds"},
201 {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"},
202 {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"},
203 {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"},
204 {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"},
205 {"path", OPT_PATH, 's', "Path to use in OCSP request"},
206 {"issuer", OPT_ISSUER, '<', "Issuer certificate"},
207 {"cert", OPT_CERT, '<', "Certificate to check"},
208 {"serial", OPT_SERIAL, 's', "Nerial number to check"},
209 {"index", OPT_INDEX, '<', "Certificate status index file"},
210 {"CA", OPT_CA, '<', "CA certificate"},
211 {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"},
212 {"nrequest", OPT_REQUEST, 'p',
213 "Number of requests to accept (default unlimited)"},
214 {"ndays", OPT_NDAYS, 'p', "Number of days before next update"},
215 {"rsigner", OPT_RSIGNER, '<',
216 "Sesponder certificate to sign responses with"},
217 {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"},
218 {"rother", OPT_ROTHER, '<', "Other certificates to include in response"},
219 {"rmd", OPT_RMD, 's'},
220 {"header", OPT_HEADER, 's', "key=value header to add"},
221 {"", OPT_MD, '-', "Any supported digest"},
226 int ocsp_main(int argc, char **argv)
228 BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
229 const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
231 EVP_PKEY *key = NULL, *rkey = NULL;
232 OCSP_BASICRESP *bs = NULL;
233 OCSP_REQUEST *req = NULL;
234 OCSP_RESPONSE *resp = NULL;
235 STACK_OF(CONF_VALUE) *headers = NULL;
236 STACK_OF(OCSP_CERTID) *ids = NULL;
237 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
238 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
239 STACK_OF(X509) *issuers = NULL;
240 X509 *issuer = NULL, *cert = NULL, *rca_cert = NULL;
241 X509 *signer = NULL, *rsigner = NULL;
242 X509_STORE *store = NULL;
243 X509_VERIFY_PARAM *vpm = NULL;
244 char *CAfile = NULL, *CApath = NULL, *header, *value;
245 char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
246 char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
247 char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
248 char *rsignfile = NULL, *rkeyfile = NULL;
249 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
250 char *signfile = NULL, *keyfile = NULL;
251 char *thost = NULL, *tport = NULL, *tpath = NULL;
252 int noCAfile = 0, noCApath = 0;
253 int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
254 int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
255 int req_text = 0, resp_text = 0, ret = 1;
256 #ifndef OPENSSL_NO_SOCK
257 int req_timeout = -1;
259 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
260 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
264 reqnames = sk_OPENSSL_STRING_new_null();
267 ids = sk_OCSP_CERTID_new_null();
270 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
273 prog = opt_init(argc, argv, ocsp_options);
274 while ((o = opt_next()) != OPT_EOF) {
279 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
283 opt_help(ocsp_options);
289 #ifndef OPENSSL_NO_SOCK
290 req_timeout = atoi(opt_arg());
297 thost = tport = tpath = NULL;
298 if (!OCSP_parse_url(opt_arg(), &host, &port, &path, &use_ssl)) {
299 BIO_printf(bio_err, "%s Error parsing URL\n", prog);
324 case OPT_RESP_NO_CERTS:
325 rflags |= OCSP_NOCERTS;
327 case OPT_RESP_KEY_ID:
328 rflags |= OCSP_RESPID_KEY;
331 sign_flags |= OCSP_NOCERTS;
333 case OPT_NO_SIGNATURE_VERIFY:
334 verify_flags |= OCSP_NOSIGS;
336 case OPT_NO_CERT_VERIFY:
337 verify_flags |= OCSP_NOVERIFY;
340 verify_flags |= OCSP_NOCHAIN;
342 case OPT_NO_CERT_CHECKS:
343 verify_flags |= OCSP_NOCHECKS;
345 case OPT_NO_EXPLICIT:
346 verify_flags |= OCSP_NOEXPLICIT;
348 case OPT_TRUST_OTHER:
349 verify_flags |= OCSP_TRUSTOTHER;
352 verify_flags |= OCSP_NOINTERN;
358 req_text = resp_text = 1;
373 signfile = opt_arg();
376 verify_certfile = opt_arg();
377 verify_flags |= OCSP_TRUSTOTHER;
380 sign_certfile = opt_arg();
382 case OPT_VERIFY_OTHER:
383 verify_certfile = opt_arg();
398 if (!opt_verify(o, vpm))
402 case OPT_VALIDITY_PERIOD:
403 opt_long(opt_arg(), &nsec);
406 opt_long(opt_arg(), &maxage);
421 issuer = load_cert(opt_arg(), FORMAT_PEM, "issuer certificate");
424 if (issuers == NULL) {
425 if ((issuers = sk_X509_new_null()) == NULL)
428 sk_X509_push(issuers, issuer);
432 cert = load_cert(opt_arg(), FORMAT_PEM, "certificate");
435 if (cert_id_md == NULL)
436 cert_id_md = EVP_sha1();
437 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
439 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
443 if (cert_id_md == NULL)
444 cert_id_md = EVP_sha1();
445 if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
447 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
451 ridx_filename = opt_arg();
454 rca_filename = opt_arg();
457 opt_int(opt_arg(), &nmin);
462 opt_int(opt_arg(), &accept_count);
465 ndays = atoi(opt_arg());
468 rsignfile = opt_arg();
471 rkeyfile = opt_arg();
474 rcertfile = opt_arg();
477 if (!opt_md(opt_arg(), &rsign_md))
482 value = strchr(header, '=');
484 BIO_printf(bio_err, "Missing = in header key=value\n");
488 if (!X509V3_add_value(header, value, &headers))
492 if (cert_id_md != NULL) {
494 "%s: Digest must be before -cert or -serial\n",
498 if (!opt_md(opt_unknown(), &cert_id_md))
503 argc = opt_num_rest();
507 /* Have we anything to do? */
508 if (!req && !reqin && !respin && !(port && ridx_filename))
511 out = bio_open_default(outfile, 'w', FORMAT_TEXT);
515 if (!req && (add_nonce != 2))
519 derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
522 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
525 BIO_printf(bio_err, "Error reading OCSP request\n");
531 acbio = init_responder(port);
538 rkeyfile = rsignfile;
539 rsigner = load_cert(rsignfile, FORMAT_PEM, "responder certificate");
541 BIO_printf(bio_err, "Error loading responder certificate\n");
544 rca_cert = load_cert(rca_filename, FORMAT_PEM, "CA certificate");
546 if (!load_certs(rcertfile, &rother, FORMAT_PEM, NULL,
547 "responder other certificates"))
550 rkey = load_key(rkeyfile, FORMAT_PEM, 0, NULL, NULL,
551 "responder private key");
556 BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
561 if (!do_responder(&req, &cbio, acbio))
565 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
567 send_ocsp_response(cbio, resp);
572 if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) {
573 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
577 if (req && add_nonce)
578 OCSP_request_add1_nonce(req, NULL, -1);
583 signer = load_cert(signfile, FORMAT_PEM, "signer certificate");
585 BIO_printf(bio_err, "Error loading signer certificate\n");
589 if (!load_certs(sign_certfile, &sign_other, FORMAT_PEM, NULL,
590 "signer certificates"))
593 key = load_key(keyfile, FORMAT_PEM, 0, NULL, NULL,
594 "signer private key");
598 if (!OCSP_request_sign
599 (req, signer, key, NULL, sign_other, sign_flags)) {
600 BIO_printf(bio_err, "Error signing OCSP request\n");
606 OCSP_REQUEST_print(out, req, 0);
609 derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
612 i2d_OCSP_REQUEST_bio(derbio, req);
616 if (ridx_filename && (!rkey || !rsigner || !rca_cert)) {
618 "Need a responder certificate, key and CA for this operation!\n");
622 if (ridx_filename && !rdb) {
623 rdb = load_index(ridx_filename, NULL);
626 if (!index_index(rdb))
631 make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey,
632 rsign_md, rother, rflags, nmin, ndays, badsig);
634 send_ocsp_response(cbio, resp);
636 # ifndef OPENSSL_NO_SOCK
637 resp = process_responder(req, host, path,
638 port, use_ssl, headers, req_timeout);
643 "Error creating connect BIO - sockets not supported.\n");
647 derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
650 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
653 BIO_printf(bio_err, "Error reading OCSP response\n");
664 derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
667 i2d_OCSP_RESPONSE_bio(derbio, resp);
671 i = OCSP_response_status(resp);
672 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
673 BIO_printf(out, "Responder Error: %s (%d)\n",
674 OCSP_response_status_str(i), i);
682 OCSP_RESPONSE_print(out, resp, 0);
684 /* If running as responder don't verify our own response */
686 /* If not unlimited, see if we took all we should. */
687 if (accept_count != -1 && --accept_count <= 0) {
693 OCSP_REQUEST_free(req);
695 OCSP_RESPONSE_free(resp);
705 store = setup_verify(CAfile, CApath, noCAfile, noCApath);
710 X509_STORE_set1_param(store, vpm);
711 if (verify_certfile) {
712 if (!load_certs(verify_certfile, &verify_other, FORMAT_PEM, NULL,
713 "validator certificate"))
717 bs = OCSP_response_get1_basic(resp);
719 BIO_printf(bio_err, "Error parsing response\n");
726 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
728 BIO_printf(bio_err, "WARNING: no nonce in response\n");
730 BIO_printf(bio_err, "Nonce Verify error\n");
736 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
737 if (i <= 0 && issuers) {
738 i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
743 BIO_printf(bio_err, "Response Verify Failure\n");
744 ERR_print_errors(bio_err);
747 BIO_printf(bio_err, "Response verify OK\n");
751 print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage);
754 ERR_print_errors(bio_err);
756 X509_STORE_free(store);
757 X509_VERIFY_PARAM_free(vpm);
761 sk_X509_pop_free(issuers, X509_free);
768 OCSP_REQUEST_free(req);
769 OCSP_RESPONSE_free(resp);
770 OCSP_BASICRESP_free(bs);
771 sk_OPENSSL_STRING_free(reqnames);
772 sk_OCSP_CERTID_free(ids);
773 sk_X509_pop_free(sign_other, X509_free);
774 sk_X509_pop_free(verify_other, X509_free);
775 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
783 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
784 const EVP_MD *cert_id_md, X509 *issuer,
785 STACK_OF(OCSP_CERTID) *ids)
789 BIO_printf(bio_err, "No issuer certificate specified\n");
793 *req = OCSP_REQUEST_new();
796 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
797 if (!id || !sk_OCSP_CERTID_push(ids, id))
799 if (!OCSP_request_add0_id(*req, id))
804 BIO_printf(bio_err, "Error Creating OCSP request\n");
808 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
809 const EVP_MD *cert_id_md, X509 *issuer,
810 STACK_OF(OCSP_CERTID) *ids)
814 ASN1_BIT_STRING *ikey;
817 BIO_printf(bio_err, "No issuer certificate specified\n");
821 *req = OCSP_REQUEST_new();
824 iname = X509_get_subject_name(issuer);
825 ikey = X509_get0_pubkey_bitstr(issuer);
826 sno = s2i_ASN1_INTEGER(NULL, serial);
828 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
831 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
832 ASN1_INTEGER_free(sno);
833 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
835 if (!OCSP_request_add0_id(*req, id))
840 BIO_printf(bio_err, "Error Creating OCSP request\n");
844 static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
845 STACK_OF(OPENSSL_STRING) *names,
846 STACK_OF(OCSP_CERTID) *ids, long nsec,
851 int i, status, reason;
852 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
854 if (!bs || !req || !sk_OPENSSL_STRING_num(names)
855 || !sk_OCSP_CERTID_num(ids))
858 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
859 id = sk_OCSP_CERTID_value(ids, i);
860 name = sk_OPENSSL_STRING_value(names, i);
861 BIO_printf(out, "%s: ", name);
863 if (!OCSP_resp_find_status(bs, id, &status, &reason,
864 &rev, &thisupd, &nextupd)) {
865 BIO_puts(out, "ERROR: No Status found.\n");
870 * Check validity: if invalid write to output BIO so we know which
871 * response this refers to.
873 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
874 BIO_puts(out, "WARNING: Status times invalid.\n");
875 ERR_print_errors(out);
877 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
879 BIO_puts(out, "\tThis Update: ");
880 ASN1_GENERALIZEDTIME_print(out, thisupd);
884 BIO_puts(out, "\tNext Update: ");
885 ASN1_GENERALIZEDTIME_print(out, nextupd);
889 if (status != V_OCSP_CERTSTATUS_REVOKED)
893 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
895 BIO_puts(out, "\tRevocation Time: ");
896 ASN1_GENERALIZEDTIME_print(out, rev);
901 static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
902 CA_DB *db, X509 *ca, X509 *rcert,
903 EVP_PKEY *rkey, const EVP_MD *rmd,
904 STACK_OF(X509) *rother, unsigned long flags,
905 int nmin, int ndays, int badsig)
907 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
908 OCSP_CERTID *cid, *ca_id = NULL;
909 OCSP_BASICRESP *bs = NULL;
912 id_count = OCSP_request_onereq_count(req);
916 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
920 bs = OCSP_BASICRESP_new();
921 thisupd = X509_gmtime_adj(NULL, 0);
923 nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL);
925 /* Examine each certificate id in the request */
926 for (i = 0; i < id_count; i++) {
928 ASN1_INTEGER *serial;
930 ASN1_OBJECT *cert_id_md_oid;
931 const EVP_MD *cert_id_md;
932 one = OCSP_request_onereq_get0(req, i);
933 cid = OCSP_onereq_get0_id(one);
935 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
937 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
939 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
943 OCSP_CERTID_free(ca_id);
944 ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca);
946 /* Is this request about our CA? */
947 if (OCSP_id_issuer_cmp(ca_id, cid)) {
948 OCSP_basic_add1_status(bs, cid,
949 V_OCSP_CERTSTATUS_UNKNOWN,
950 0, NULL, thisupd, nextupd);
953 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
954 inf = lookup_serial(db, serial);
956 OCSP_basic_add1_status(bs, cid,
957 V_OCSP_CERTSTATUS_UNKNOWN,
958 0, NULL, thisupd, nextupd);
959 else if (inf[DB_type][0] == DB_TYPE_VAL)
960 OCSP_basic_add1_status(bs, cid,
961 V_OCSP_CERTSTATUS_GOOD,
962 0, NULL, thisupd, nextupd);
963 else if (inf[DB_type][0] == DB_TYPE_REV) {
964 ASN1_OBJECT *inst = NULL;
965 ASN1_TIME *revtm = NULL;
966 ASN1_GENERALIZEDTIME *invtm = NULL;
967 OCSP_SINGLERESP *single;
969 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
970 single = OCSP_basic_add1_status(bs, cid,
971 V_OCSP_CERTSTATUS_REVOKED,
972 reason, revtm, thisupd, nextupd);
974 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
977 OCSP_SINGLERESP_add1_ext_i2d(single,
978 NID_hold_instruction_code, inst,
980 ASN1_OBJECT_free(inst);
981 ASN1_TIME_free(revtm);
982 ASN1_GENERALIZEDTIME_free(invtm);
986 OCSP_copy_nonce(bs, req);
988 OCSP_basic_sign(bs, rcert, rkey, rmd, rother, flags);
991 ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs);
992 unsigned char *sigptr = ASN1_STRING_data(sig);
993 sigptr[ASN1_STRING_length(sig) - 1] ^= 0x1;
996 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
999 ASN1_TIME_free(thisupd);
1000 ASN1_TIME_free(nextupd);
1001 OCSP_CERTID_free(ca_id);
1002 OCSP_BASICRESP_free(bs);
1005 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
1009 char *itmp, *row[DB_NUMBER], **rrow;
1010 for (i = 0; i < DB_NUMBER; i++)
1012 bn = ASN1_INTEGER_to_BN(ser, NULL);
1013 OPENSSL_assert(bn); /* FIXME: should report an error at this
1014 * point and abort */
1016 itmp = OPENSSL_strdup("00");
1018 itmp = BN_bn2hex(bn);
1019 row[DB_serial] = itmp;
1021 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
1026 /* Quick and dirty OCSP server: read in and parse input request */
1028 static BIO *init_responder(const char *port)
1030 BIO *acbio = NULL, *bufbio = NULL;
1032 # ifdef OPENSSL_NO_SOCK
1034 "Error setting up accept BIO - sockets not supported.\n");
1037 bufbio = BIO_new(BIO_f_buffer());
1040 acbio = BIO_new(BIO_s_accept());
1042 || BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR) < 0
1043 || BIO_set_accept_port(acbio, port) < 0) {
1044 BIO_printf(bio_err, "Error setting up accept BIO\n");
1045 ERR_print_errors(bio_err);
1049 BIO_set_accept_bios(acbio, bufbio);
1051 if (BIO_do_accept(acbio) <= 0) {
1052 BIO_printf(bio_err, "Error starting accept\n");
1053 ERR_print_errors(bio_err);
1060 BIO_free_all(acbio);
1067 * Decode %xx URL-decoding in-place. Ignores mal-formed sequences.
1069 static int urldecode(char *p)
1071 unsigned char *out = (unsigned char *)p;
1072 unsigned char *save = out;
1077 else if (isxdigit(_UC(p[1])) && isxdigit(_UC(p[2]))) {
1078 *out++ = (app_hex(p[1]) << 4) | app_hex(p[2]);
1085 return (int)(out - save);
1088 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio)
1091 OCSP_REQUEST *req = NULL;
1092 char inbuf[2048], reqbuf[2048];
1094 BIO *cbio = NULL, *getbio = NULL, *b64 = NULL;
1096 if (BIO_do_accept(acbio) <= 0) {
1097 BIO_printf(bio_err, "Error accepting connection\n");
1098 ERR_print_errors(bio_err);
1102 cbio = BIO_pop(acbio);
1105 /* Read the request line. */
1106 len = BIO_gets(cbio, reqbuf, sizeof reqbuf);
1109 if (strncmp(reqbuf, "GET ", 4) == 0) {
1110 /* Expecting GET {sp} /URL {sp} HTTP/1.x */
1111 for (p = reqbuf + 4; *p == ' '; ++p)
1114 BIO_printf(bio_err, "Invalid request -- bad URL\n");
1119 /* Splice off the HTTP version identifier. */
1120 for (q = p; *q; q++)
1123 if (strncmp(q, " HTTP/1.", 8) != 0) {
1124 BIO_printf(bio_err, "Invalid request -- bad HTTP vesion\n");
1130 BIO_printf(bio_err, "Invalid request -- bad URL encoding\n");
1133 if ((getbio = BIO_new_mem_buf(p, len)) == NULL
1134 || (b64 = BIO_new(BIO_f_base64())) == NULL) {
1135 BIO_printf(bio_err, "Could not allocate memory\n");
1136 ERR_print_errors(bio_err);
1139 BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1140 getbio = BIO_push(b64, getbio);
1141 } else if (strncmp(reqbuf, "POST ", 5) != 0) {
1142 BIO_printf(bio_err, "Invalid request -- bad HTTP verb\n");
1146 /* Read and skip past the headers. */
1148 len = BIO_gets(cbio, inbuf, sizeof inbuf);
1151 if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
1155 /* Try to read OCSP request */
1157 req = d2i_OCSP_REQUEST_bio(getbio, NULL);
1158 BIO_free_all(getbio);
1160 req = d2i_OCSP_REQUEST_bio(cbio, NULL);
1163 BIO_printf(bio_err, "Error parsing OCSP request\n");
1164 ERR_print_errors(bio_err);
1173 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
1176 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1177 "Content-Length: %d\r\n\r\n";
1180 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
1181 i2d_OCSP_RESPONSE_bio(cbio, resp);
1182 (void)BIO_flush(cbio);
1186 # ifndef OPENSSL_NO_SOCK
1187 static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
1189 const STACK_OF(CONF_VALUE) *headers,
1190 OCSP_REQUEST *req, int req_timeout)
1196 OCSP_REQ_CTX *ctx = NULL;
1197 OCSP_RESPONSE *rsp = NULL;
1201 if (req_timeout != -1)
1202 BIO_set_nbio(cbio, 1);
1204 rv = BIO_do_connect(cbio);
1206 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) {
1207 BIO_puts(bio_err, "Error connecting BIO\n");
1211 if (BIO_get_fd(cbio, &fd) < 0) {
1212 BIO_puts(bio_err, "Can't get connection fd\n");
1216 if (req_timeout != -1 && rv <= 0) {
1218 openssl_fdset(fd, &confds);
1220 tv.tv_sec = req_timeout;
1221 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1223 BIO_puts(bio_err, "Timeout on connect\n");
1228 ctx = OCSP_sendreq_new(cbio, path, NULL, -1);
1232 for (i = 0; i < sk_CONF_VALUE_num(headers); i++) {
1233 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i);
1234 if (add_host == 1 && strcasecmp("host", hdr->name) == 0)
1236 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value))
1240 if (add_host == 1 && OCSP_REQ_CTX_add1_header(ctx, "Host", host) == 0)
1243 if (!OCSP_REQ_CTX_set1_req(ctx, req))
1247 rv = OCSP_sendreq_nbio(&rsp, ctx);
1250 if (req_timeout == -1)
1253 openssl_fdset(fd, &confds);
1255 tv.tv_sec = req_timeout;
1256 if (BIO_should_read(cbio))
1257 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv);
1258 else if (BIO_should_write(cbio))
1259 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1261 BIO_puts(bio_err, "Unexpected retry condition\n");
1265 BIO_puts(bio_err, "Timeout on request\n");
1269 BIO_puts(bio_err, "Select error\n");
1275 OCSP_REQ_CTX_free(ctx);
1280 OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,
1281 const char *host, const char *path,
1282 const char *port, int use_ssl,
1283 STACK_OF(CONF_VALUE) *headers,
1287 SSL_CTX *ctx = NULL;
1288 OCSP_RESPONSE *resp = NULL;
1290 cbio = BIO_new_connect(host);
1292 BIO_printf(bio_err, "Error creating connect BIO\n");
1296 BIO_set_conn_port(cbio, port);
1299 ctx = SSL_CTX_new(TLS_client_method());
1301 BIO_printf(bio_err, "Error creating SSL context.\n");
1304 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
1305 sbio = BIO_new_ssl(ctx, 1);
1306 cbio = BIO_push(sbio, cbio);
1309 resp = query_responder(cbio, host, path, headers, req, req_timeout);
1311 BIO_printf(bio_err, "Error querying OCSP responder\n");