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).
58 #ifndef OPENSSL_NO_OCSP
60 # ifdef OPENSSL_SYS_VMS
61 # define _XOPEN_SOURCE_EXTENDED/* So fd_set and friends get properly defined
71 # include "apps.h" /* needs to be included before the openssl
73 # include <openssl/e_os2.h>
74 # include <openssl/crypto.h>
75 # include <openssl/err.h>
76 # include <openssl/ssl.h>
77 # include <openssl/evp.h>
78 # include <openssl/bn.h>
79 # include <openssl/x509v3.h>
81 # if defined(NETWARE_CLIB)
82 # ifdef NETWARE_BSDSOCK
83 # include <sys/socket.h>
84 # include <sys/bsdskt.h>
86 # include <novsock2.h>
88 # elif defined(NETWARE_LIBC)
89 # ifdef NETWARE_BSDSOCK
90 # include <sys/select.h>
92 # include <novsock2.h>
96 /* Maximum leeway in validity period: default 5 minutes */
97 # define MAX_VALIDITY_PERIOD (5 * 60)
99 static int add_ocsp_cert(OCSP_REQUEST
**req
, X509
*cert
,
100 const EVP_MD
*cert_id_md
, X509
*issuer
,
101 STACK_OF(OCSP_CERTID
) *ids
);
102 static int add_ocsp_serial(OCSP_REQUEST
**req
, char *serial
,
103 const EVP_MD
*cert_id_md
, X509
*issuer
,
104 STACK_OF(OCSP_CERTID
) *ids
);
105 static void print_ocsp_summary(BIO
*out
, OCSP_BASICRESP
*bs
, OCSP_REQUEST
*req
,
106 STACK_OF(OPENSSL_STRING
) *names
,
107 STACK_OF(OCSP_CERTID
) *ids
, long nsec
,
109 static void make_ocsp_response(OCSP_RESPONSE
**resp
, OCSP_REQUEST
*req
,
110 CA_DB
*db
, X509
*ca
, X509
*rcert
,
111 EVP_PKEY
*rkey
, const EVP_MD
*md
,
112 STACK_OF(X509
) *rother
, unsigned long flags
,
113 int nmin
, int ndays
, int badsig
);
115 static char **lookup_serial(CA_DB
*db
, ASN1_INTEGER
*ser
);
116 static BIO
*init_responder(const char *port
);
117 static int do_responder(OCSP_REQUEST
**preq
, BIO
**pcbio
, BIO
*acbio
,
119 static int send_ocsp_response(BIO
*cbio
, OCSP_RESPONSE
*resp
);
120 static OCSP_RESPONSE
*query_responder(BIO
*cbio
, const char *path
,
121 const STACK_OF(CONF_VALUE
) *headers
,
122 OCSP_REQUEST
*req
, int req_timeout
);
124 typedef enum OPTION_choice
{
125 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
126 OPT_OUTFILE
, OPT_TIMEOUT
, OPT_URL
, OPT_HOST
, OPT_PORT
,
127 OPT_IGNORE_ERR
, OPT_NOVERIFY
, OPT_NONCE
, OPT_NO_NONCE
,
128 OPT_RESP_NO_CERTS
, OPT_RESP_KEY_ID
, OPT_NO_CERTS
,
129 OPT_NO_SIGNATURE_VERIFY
, OPT_NO_CERT_VERIFY
, OPT_NO_CHAIN
,
130 OPT_NO_CERT_CHECKS
, OPT_NO_EXPLICIT
, OPT_TRUST_OTHER
,
131 OPT_NO_INTERN
, OPT_BADSIG
, OPT_TEXT
, OPT_REQ_TEXT
, OPT_RESP_TEXT
,
132 OPT_REQIN
, OPT_RESPIN
, OPT_SIGNER
, OPT_VAFILE
, OPT_SIGN_OTHER
,
133 OPT_VERIFY_OTHER
, OPT_CAFILE
, OPT_CAPATH
,
134 OPT_VALIDITY_PERIOD
, OPT_STATUS_AGE
, OPT_SIGNKEY
, OPT_REQOUT
,
135 OPT_RESPOUT
, OPT_PATH
, OPT_ISSUER
, OPT_CERT
, OPT_SERIAL
,
136 OPT_INDEX
, OPT_CA
, OPT_NMIN
, OPT_REQUEST
, OPT_NDAYS
, OPT_RSIGNER
,
137 OPT_RKEY
, OPT_ROTHER
, OPT_RMD
, OPT_HEADER
,
142 OPTIONS ocsp_options
[] = {
143 {"help", OPT_HELP
, '-', "Display this summary"},
144 {"out", OPT_OUTFILE
, '>', "Output filename"},
145 {"timeout", OPT_TIMEOUT
, 'p'},
146 {"url", OPT_URL
, 's', "Responder URL"},
147 {"host", OPT_HOST
, 's', "host:prot top to connect to"},
148 {"port", OPT_PORT
, 'p', "Port to run responder on"},
149 {"ignore_err", OPT_IGNORE_ERR
, '-'},
150 {"noverify", OPT_NOVERIFY
, '-', "Don't verify response at all"},
151 {"nonce", OPT_NONCE
, '-', "Add OCSP nonce to request"},
152 {"no_nonce", OPT_NO_NONCE
, '-', "Don't add OCSP nonce to request"},
153 {"resp_no_certs", OPT_RESP_NO_CERTS
, '-',
154 "Don't include any certificates in response"},
155 {"resp_key_id", OPT_RESP_KEY_ID
, '-',
156 "Identify reponse by signing certificate key ID"},
157 {"no_certs", OPT_NO_CERTS
, '-',
158 "Don't include any certificates in signed request"},
159 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY
, '-',
160 "Don't check signature on response"},
161 {"no_cert_verify", OPT_NO_CERT_VERIFY
, '-',
162 "Don't check signing certificate"},
163 {"no_chain", OPT_NO_CHAIN
, '-', "Don't chain verify response"},
164 {"no_cert_checks", OPT_NO_CERT_CHECKS
, '-',
165 "Don't do additional checks on signing certificate"},
166 {"no_explicit", OPT_NO_EXPLICIT
, '-'},
167 {"trust_other", OPT_TRUST_OTHER
, '-',
168 "Don't verify additional certificates"},
169 {"no_intern", OPT_NO_INTERN
, '-',
170 "Don't search certificates contained in response for signer"},
171 {"badsig", OPT_BADSIG
, '-'},
172 {"text", OPT_TEXT
, '-', "Print text form of request and response"},
173 {"req_text", OPT_REQ_TEXT
, '-', "Print text form of request"},
174 {"resp_text", OPT_RESP_TEXT
, '-', "Print text form of response"},
175 {"reqin", OPT_REQIN
, 's', "File with the DER-encoded request"},
176 {"respin", OPT_RESPIN
, 's', "File with the DER-encoded response"},
177 {"signer", OPT_SIGNER
, '<', "Certificate to sign OCSP request with"},
178 {"VAfile", OPT_VAFILE
, '<', "Validator certificates file"},
179 {"sign_other", OPT_SIGN_OTHER
, '<',
180 "Additional certificates to include in signed request"},
181 {"verify_other", OPT_VERIFY_OTHER
, '<',
182 "Additional certificates to search for signer"},
183 {"CAfile", OPT_CAFILE
, '<', "Trusted certificates file"},
184 {"CApath", OPT_CAPATH
, '<', "Trusted certificates directory"},
185 {"validity_period", OPT_VALIDITY_PERIOD
, 'u',
186 "Maximum validity discrepancy in seconds"},
187 {"status_age", OPT_STATUS_AGE
, 'p', "Maximum status age in seconds"},
188 {"signkey", OPT_SIGNKEY
, 's', "Private key to sign OCSP request with"},
189 {"reqout", OPT_REQOUT
, 's', "Output file for the DER-encoded request"},
190 {"respout", OPT_RESPOUT
, 's', "Output file for the DER-encoded response"},
191 {"path", OPT_PATH
, 's', "Path to use in OCSP request"},
192 {"issuer", OPT_ISSUER
, '<', "Issuer certificate"},
193 {"cert", OPT_CERT
, '<', "Certificate to check"},
194 {"serial", OPT_SERIAL
, 's', "Nerial number to check"},
195 {"index", OPT_INDEX
, '<', "Certificate status index file"},
196 {"CA", OPT_CA
, '<', "CA certificate"},
197 {"nmin", OPT_NMIN
, 'p', "Number of minutes before next update"},
198 {"nrequest", OPT_REQUEST
, 'p',
199 "Number of requests to accept (default unlimited)"},
200 {"ndays", OPT_NDAYS
, 'p', "Number of days before next update"},
201 {"rsigner", OPT_RSIGNER
, '<',
202 "Sesponder certificate to sign responses with"},
203 {"rkey", OPT_RKEY
, '<', "Responder key to sign responses with"},
204 {"rother", OPT_ROTHER
, '<', "Other certificates to include in response"},
205 {"rmd", OPT_RMD
, 's'},
206 {"header", OPT_HEADER
, 's', "key=value header to add"},
207 {"", OPT_MD
, '-', "Any supported digest"},
212 int ocsp_main(int argc
, char **argv
)
214 BIO
*acbio
= NULL
, *cbio
= NULL
, *derbio
= NULL
, *out
= NULL
;
215 const EVP_MD
*cert_id_md
= NULL
, *rsign_md
= NULL
;
217 EVP_PKEY
*key
= NULL
, *rkey
= NULL
;
218 OCSP_BASICRESP
*bs
= NULL
;
219 OCSP_REQUEST
*req
= NULL
;
220 OCSP_RESPONSE
*resp
= NULL
;
221 STACK_OF(CONF_VALUE
) *headers
= NULL
;
222 STACK_OF(OCSP_CERTID
) *ids
= NULL
;
223 STACK_OF(OPENSSL_STRING
) *reqnames
= NULL
;
224 STACK_OF(X509
) *sign_other
= NULL
, *verify_other
= NULL
, *rother
= NULL
;
225 STACK_OF(X509
) *issuers
= NULL
;
226 X509
*issuer
= NULL
, *cert
= NULL
, *rca_cert
= NULL
;
227 X509
*signer
= NULL
, *rsigner
= NULL
;
228 X509_STORE
*store
= NULL
;
229 X509_VERIFY_PARAM
*vpm
= NULL
;
230 char *CAfile
= NULL
, *CApath
= NULL
, *header
, *value
;
231 char *host
= NULL
, *port
= NULL
, *path
= "/", *outfile
= NULL
;
232 char *rca_filename
= NULL
, *reqin
= NULL
, *respin
= NULL
;
233 char *reqout
= NULL
, *respout
= NULL
, *ridx_filename
= NULL
;
234 char *rsignfile
= NULL
, *rkeyfile
= NULL
;
235 char *sign_certfile
= NULL
, *verify_certfile
= NULL
, *rcertfile
= NULL
;
236 char *signfile
= NULL
, *keyfile
= NULL
;
237 char *thost
= NULL
, *tport
= NULL
, *tpath
= NULL
;
238 int accept_count
= -1, add_nonce
= 1, noverify
= 0, use_ssl
= -1;
239 int vpmtouched
= 0, badsig
= 0, i
, ignore_err
= 0, nmin
= 0, ndays
= -1;
240 int req_text
= 0, resp_text
= 0, req_timeout
= -1, ret
= 1;
241 long nsec
= MAX_VALIDITY_PERIOD
, maxage
= -1;
242 unsigned long sign_flags
= 0, verify_flags
= 0, rflags
= 0;
246 reqnames
= sk_OPENSSL_STRING_new_null();
249 ids
= sk_OCSP_CERTID_new_null();
252 if ((vpm
= X509_VERIFY_PARAM_new()) == NULL
)
255 prog
= opt_init(argc
, argv
, ocsp_options
);
256 while ((o
= opt_next()) != OPT_EOF
) {
261 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
265 opt_help(ocsp_options
);
271 req_timeout
= atoi(opt_arg());
277 if (!OCSP_parse_url(opt_arg(), &host
, &port
, &path
, &use_ssl
)) {
278 BIO_printf(bio_err
, "%s Error parsing URL\n", prog
);
303 case OPT_RESP_NO_CERTS
:
304 rflags
|= OCSP_NOCERTS
;
306 case OPT_RESP_KEY_ID
:
307 rflags
|= OCSP_RESPID_KEY
;
310 sign_flags
|= OCSP_NOCERTS
;
312 case OPT_NO_SIGNATURE_VERIFY
:
313 verify_flags
|= OCSP_NOSIGS
;
315 case OPT_NO_CERT_VERIFY
:
316 verify_flags
|= OCSP_NOVERIFY
;
319 verify_flags
|= OCSP_NOCHAIN
;
321 case OPT_NO_CERT_CHECKS
:
322 verify_flags
|= OCSP_NOCHECKS
;
324 case OPT_NO_EXPLICIT
:
325 verify_flags
|= OCSP_NOEXPLICIT
;
327 case OPT_TRUST_OTHER
:
328 verify_flags
|= OCSP_TRUSTOTHER
;
331 verify_flags
|= OCSP_NOINTERN
;
337 req_text
= resp_text
= 1;
352 signfile
= opt_arg();
355 verify_certfile
= opt_arg();
356 verify_flags
|= OCSP_TRUSTOTHER
;
359 sign_certfile
= opt_arg();
361 case OPT_VERIFY_OTHER
:
362 verify_certfile
= opt_arg();
371 if (!opt_verify(o
, vpm
))
375 case OPT_VALIDITY_PERIOD
:
376 opt_long(opt_arg(), &nsec
);
379 opt_long(opt_arg(), &maxage
);
395 issuer
= load_cert(opt_arg(), FORMAT_PEM
,
396 NULL
, NULL
, "issuer certificate");
399 if ((issuers
= sk_X509_new_null()) == NULL
)
401 sk_X509_push(issuers
, issuer
);
405 cert
= load_cert(opt_arg(), FORMAT_PEM
,
406 NULL
, NULL
, "certificate");
409 if (cert_id_md
== NULL
)
410 cert_id_md
= EVP_sha1();
411 if (!add_ocsp_cert(&req
, cert
, cert_id_md
, issuer
, ids
))
413 if (!sk_OPENSSL_STRING_push(reqnames
, opt_arg()))
417 if (cert_id_md
== NULL
)
418 cert_id_md
= EVP_sha1();
419 if (!add_ocsp_serial(&req
, opt_arg(), cert_id_md
, issuer
, ids
))
421 if (!sk_OPENSSL_STRING_push(reqnames
, opt_arg()))
425 ridx_filename
= opt_arg();
428 rca_filename
= opt_arg();
431 opt_int(opt_arg(), &nmin
);
436 opt_int(opt_arg(), &accept_count
);
439 ndays
= atoi(opt_arg());
442 rsignfile
= opt_arg();
445 rkeyfile
= opt_arg();
448 rcertfile
= opt_arg();
451 if (!opt_md(opt_arg(), &rsign_md
))
456 value
= strchr(header
, '=');
458 BIO_printf(bio_err
, "Missing = in header key=value\n");
462 if (!X509V3_add_value(header
, value
, &headers
))
466 if (cert_id_md
!= NULL
) {
468 "%s: Digest must be before -cert or -serial\n",
472 if (!opt_md(opt_unknown(), &cert_id_md
))
477 argc
= opt_num_rest();
480 /* Have we anything to do? */
481 if (!req
&& !reqin
&& !respin
&& !(port
&& ridx_filename
))
484 out
= bio_open_default(outfile
, "w");
488 if (!req
&& (add_nonce
!= 2))
492 derbio
= bio_open_default(reqin
, "rb");
495 req
= d2i_OCSP_REQUEST_bio(derbio
, NULL
);
498 BIO_printf(bio_err
, "Error reading OCSP request\n");
504 acbio
= init_responder(port
);
509 if (rsignfile
&& !rdb
) {
511 rkeyfile
= rsignfile
;
512 rsigner
= load_cert(rsignfile
, FORMAT_PEM
,
513 NULL
, NULL
, "responder certificate");
515 BIO_printf(bio_err
, "Error loading responder certificate\n");
518 rca_cert
= load_cert(rca_filename
, FORMAT_PEM
,
519 NULL
, NULL
, "CA certificate");
521 rother
= load_certs(rcertfile
, FORMAT_PEM
,
522 NULL
, NULL
, "responder other certificates");
526 rkey
= load_key(rkeyfile
, FORMAT_PEM
, 0, NULL
, NULL
,
527 "responder private key");
532 BIO_printf(bio_err
, "Waiting for OCSP client connections...\n");
537 if (!do_responder(&req
, &cbio
, acbio
, port
))
541 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST
,
543 send_ocsp_response(cbio
, resp
);
548 if (!req
&& (signfile
|| reqout
|| host
|| add_nonce
|| ridx_filename
)) {
549 BIO_printf(bio_err
, "Need an OCSP request for this operation!\n");
553 if (req
&& add_nonce
)
554 OCSP_request_add1_nonce(req
, NULL
, -1);
559 signer
= load_cert(signfile
, FORMAT_PEM
,
560 NULL
, NULL
, "signer certificate");
562 BIO_printf(bio_err
, "Error loading signer certificate\n");
566 sign_other
= load_certs(sign_certfile
, FORMAT_PEM
,
567 NULL
, NULL
, "signer certificates");
571 key
= load_key(keyfile
, FORMAT_PEM
, 0, NULL
, NULL
,
572 "signer private key");
576 if (!OCSP_request_sign
577 (req
, signer
, key
, NULL
, sign_other
, sign_flags
)) {
578 BIO_printf(bio_err
, "Error signing OCSP request\n");
584 OCSP_REQUEST_print(out
, req
, 0);
587 derbio
= bio_open_default(reqout
, "wb");
590 i2d_OCSP_REQUEST_bio(derbio
, req
);
594 if (ridx_filename
&& (!rkey
|| !rsigner
|| !rca_cert
)) {
596 "Need a responder certificate, key and CA for this operation!\n");
600 if (ridx_filename
&& !rdb
) {
601 rdb
= load_index(ridx_filename
, NULL
);
604 if (!index_index(rdb
))
609 make_ocsp_response(&resp
, req
, rdb
, rca_cert
, rsigner
, rkey
,
610 rsign_md
, rother
, rflags
, nmin
, ndays
, badsig
);
612 send_ocsp_response(cbio
, resp
);
614 # ifndef OPENSSL_NO_SOCK
615 resp
= process_responder(req
, host
, path
,
616 port
, use_ssl
, headers
, req_timeout
);
621 "Error creating connect BIO - sockets not supported.\n");
625 derbio
= bio_open_default(respin
, "rb");
628 resp
= d2i_OCSP_RESPONSE_bio(derbio
, NULL
);
631 BIO_printf(bio_err
, "Error reading OCSP response\n");
642 derbio
= bio_open_default(respout
, "wb");
645 i2d_OCSP_RESPONSE_bio(derbio
, resp
);
649 i
= OCSP_response_status(resp
);
650 if (i
!= OCSP_RESPONSE_STATUS_SUCCESSFUL
) {
651 BIO_printf(out
, "Responder Error: %s (%d)\n",
652 OCSP_response_status_str(i
), i
);
660 OCSP_RESPONSE_print(out
, resp
, 0);
662 /* If running as responder don't verify our own response */
664 if (--accept_count
<= 0) {
670 OCSP_REQUEST_free(req
);
672 OCSP_RESPONSE_free(resp
);
682 store
= setup_verify(CAfile
, CApath
);
687 X509_STORE_set1_param(store
, vpm
);
688 if (verify_certfile
) {
689 verify_other
= load_certs(verify_certfile
, FORMAT_PEM
,
690 NULL
, NULL
, "validator certificate");
695 bs
= OCSP_response_get1_basic(resp
);
697 BIO_printf(bio_err
, "Error parsing response\n");
704 if (req
&& ((i
= OCSP_check_nonce(req
, bs
)) <= 0)) {
706 BIO_printf(bio_err
, "WARNING: no nonce in response\n");
708 BIO_printf(bio_err
, "Nonce Verify error\n");
714 i
= OCSP_basic_verify(bs
, verify_other
, store
, verify_flags
);
715 if (i
<= 0 && issuers
) {
716 i
= OCSP_basic_verify(bs
, issuers
, store
, OCSP_TRUSTOTHER
);
721 BIO_printf(bio_err
, "Response Verify Failure\n");
722 ERR_print_errors(bio_err
);
725 BIO_printf(bio_err
, "Response verify OK\n");
729 print_ocsp_summary(out
, bs
, req
, reqnames
, ids
, nsec
, maxage
);
732 ERR_print_errors(bio_err
);
734 X509_STORE_free(store
);
735 X509_VERIFY_PARAM_free(vpm
);
745 OCSP_REQUEST_free(req
);
746 OCSP_RESPONSE_free(resp
);
747 OCSP_BASICRESP_free(bs
);
748 sk_OPENSSL_STRING_free(reqnames
);
749 sk_OCSP_CERTID_free(ids
);
750 sk_X509_pop_free(sign_other
, X509_free
);
751 sk_X509_pop_free(verify_other
, X509_free
);
752 sk_CONF_VALUE_pop_free(headers
, X509V3_conf_free
);
760 static int add_ocsp_cert(OCSP_REQUEST
**req
, X509
*cert
,
761 const EVP_MD
*cert_id_md
, X509
*issuer
,
762 STACK_OF(OCSP_CERTID
) *ids
)
766 BIO_printf(bio_err
, "No issuer certificate specified\n");
770 *req
= OCSP_REQUEST_new();
773 id
= OCSP_cert_to_id(cert_id_md
, cert
, issuer
);
774 if (!id
|| !sk_OCSP_CERTID_push(ids
, id
))
776 if (!OCSP_request_add0_id(*req
, id
))
781 BIO_printf(bio_err
, "Error Creating OCSP request\n");
785 static int add_ocsp_serial(OCSP_REQUEST
**req
, char *serial
,
786 const EVP_MD
*cert_id_md
, X509
*issuer
,
787 STACK_OF(OCSP_CERTID
) *ids
)
791 ASN1_BIT_STRING
*ikey
;
794 BIO_printf(bio_err
, "No issuer certificate specified\n");
798 *req
= OCSP_REQUEST_new();
801 iname
= X509_get_subject_name(issuer
);
802 ikey
= X509_get0_pubkey_bitstr(issuer
);
803 sno
= s2i_ASN1_INTEGER(NULL
, serial
);
805 BIO_printf(bio_err
, "Error converting serial number %s\n", serial
);
808 id
= OCSP_cert_id_new(cert_id_md
, iname
, ikey
, sno
);
809 ASN1_INTEGER_free(sno
);
810 if (!id
|| !sk_OCSP_CERTID_push(ids
, id
))
812 if (!OCSP_request_add0_id(*req
, id
))
817 BIO_printf(bio_err
, "Error Creating OCSP request\n");
821 static void print_ocsp_summary(BIO
*out
, OCSP_BASICRESP
*bs
, OCSP_REQUEST
*req
,
822 STACK_OF(OPENSSL_STRING
) *names
,
823 STACK_OF(OCSP_CERTID
) *ids
, long nsec
,
828 int i
, status
, reason
;
829 ASN1_GENERALIZEDTIME
*rev
, *thisupd
, *nextupd
;
831 if (!bs
|| !req
|| !sk_OPENSSL_STRING_num(names
)
832 || !sk_OCSP_CERTID_num(ids
))
835 for (i
= 0; i
< sk_OCSP_CERTID_num(ids
); i
++) {
836 id
= sk_OCSP_CERTID_value(ids
, i
);
837 name
= sk_OPENSSL_STRING_value(names
, i
);
838 BIO_printf(out
, "%s: ", name
);
840 if (!OCSP_resp_find_status(bs
, id
, &status
, &reason
,
841 &rev
, &thisupd
, &nextupd
)) {
842 BIO_puts(out
, "ERROR: No Status found.\n");
847 * Check validity: if invalid write to output BIO so we know which
848 * response this refers to.
850 if (!OCSP_check_validity(thisupd
, nextupd
, nsec
, maxage
)) {
851 BIO_puts(out
, "WARNING: Status times invalid.\n");
852 ERR_print_errors(out
);
854 BIO_printf(out
, "%s\n", OCSP_cert_status_str(status
));
856 BIO_puts(out
, "\tThis Update: ");
857 ASN1_GENERALIZEDTIME_print(out
, thisupd
);
861 BIO_puts(out
, "\tNext Update: ");
862 ASN1_GENERALIZEDTIME_print(out
, nextupd
);
866 if (status
!= V_OCSP_CERTSTATUS_REVOKED
)
870 BIO_printf(out
, "\tReason: %s\n", OCSP_crl_reason_str(reason
));
872 BIO_puts(out
, "\tRevocation Time: ");
873 ASN1_GENERALIZEDTIME_print(out
, rev
);
878 static void make_ocsp_response(OCSP_RESPONSE
**resp
, OCSP_REQUEST
*req
,
879 CA_DB
*db
, X509
*ca
, X509
*rcert
,
880 EVP_PKEY
*rkey
, const EVP_MD
*rmd
,
881 STACK_OF(X509
) *rother
, unsigned long flags
,
882 int nmin
, int ndays
, int badsig
)
884 ASN1_TIME
*thisupd
= NULL
, *nextupd
= NULL
;
885 OCSP_CERTID
*cid
, *ca_id
= NULL
;
886 OCSP_BASICRESP
*bs
= NULL
;
889 id_count
= OCSP_request_onereq_count(req
);
893 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST
, NULL
);
897 bs
= OCSP_BASICRESP_new();
898 thisupd
= X509_gmtime_adj(NULL
, 0);
900 nextupd
= X509_gmtime_adj(NULL
, nmin
* 60 + ndays
* 3600 * 24);
902 /* Examine each certificate id in the request */
903 for (i
= 0; i
< id_count
; i
++) {
905 ASN1_INTEGER
*serial
;
907 ASN1_OBJECT
*cert_id_md_oid
;
908 const EVP_MD
*cert_id_md
;
909 one
= OCSP_request_onereq_get0(req
, i
);
910 cid
= OCSP_onereq_get0_id(one
);
912 OCSP_id_get0_info(NULL
, &cert_id_md_oid
, NULL
, NULL
, cid
);
914 cert_id_md
= EVP_get_digestbyobj(cert_id_md_oid
);
916 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR
,
920 OCSP_CERTID_free(ca_id
);
921 ca_id
= OCSP_cert_to_id(cert_id_md
, NULL
, ca
);
923 /* Is this request about our CA? */
924 if (OCSP_id_issuer_cmp(ca_id
, cid
)) {
925 OCSP_basic_add1_status(bs
, cid
,
926 V_OCSP_CERTSTATUS_UNKNOWN
,
927 0, NULL
, thisupd
, nextupd
);
930 OCSP_id_get0_info(NULL
, NULL
, NULL
, &serial
, cid
);
931 inf
= lookup_serial(db
, serial
);
933 OCSP_basic_add1_status(bs
, cid
,
934 V_OCSP_CERTSTATUS_UNKNOWN
,
935 0, NULL
, thisupd
, nextupd
);
936 else if (inf
[DB_type
][0] == DB_TYPE_VAL
)
937 OCSP_basic_add1_status(bs
, cid
,
938 V_OCSP_CERTSTATUS_GOOD
,
939 0, NULL
, thisupd
, nextupd
);
940 else if (inf
[DB_type
][0] == DB_TYPE_REV
) {
941 ASN1_OBJECT
*inst
= NULL
;
942 ASN1_TIME
*revtm
= NULL
;
943 ASN1_GENERALIZEDTIME
*invtm
= NULL
;
944 OCSP_SINGLERESP
*single
;
946 unpack_revinfo(&revtm
, &reason
, &inst
, &invtm
, inf
[DB_rev_date
]);
947 single
= OCSP_basic_add1_status(bs
, cid
,
948 V_OCSP_CERTSTATUS_REVOKED
,
949 reason
, revtm
, thisupd
, nextupd
);
951 OCSP_SINGLERESP_add1_ext_i2d(single
, NID_invalidity_date
,
954 OCSP_SINGLERESP_add1_ext_i2d(single
,
955 NID_hold_instruction_code
, inst
,
957 ASN1_OBJECT_free(inst
);
958 ASN1_TIME_free(revtm
);
959 ASN1_GENERALIZEDTIME_free(invtm
);
963 OCSP_copy_nonce(bs
, req
);
965 OCSP_basic_sign(bs
, rcert
, rkey
, rmd
, rother
, flags
);
968 ASN1_OCTET_STRING
*sig
= OCSP_resp_get0_signature(bs
);
969 unsigned char *sigptr
= ASN1_STRING_data(sig
);
970 sigptr
[ASN1_STRING_length(sig
) - 1] ^= 0x1;
973 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL
, bs
);
976 ASN1_TIME_free(thisupd
);
977 ASN1_TIME_free(nextupd
);
978 OCSP_CERTID_free(ca_id
);
979 OCSP_BASICRESP_free(bs
);
982 static char **lookup_serial(CA_DB
*db
, ASN1_INTEGER
*ser
)
986 char *itmp
, *row
[DB_NUMBER
], **rrow
;
987 for (i
= 0; i
< DB_NUMBER
; i
++)
989 bn
= ASN1_INTEGER_to_BN(ser
, NULL
);
990 OPENSSL_assert(bn
); /* FIXME: should report an error at this
993 itmp
= BUF_strdup("00");
995 itmp
= BN_bn2hex(bn
);
996 row
[DB_serial
] = itmp
;
998 rrow
= TXT_DB_get_by_index(db
->db
, DB_serial
, row
);
1003 /* Quick and dirty OCSP server: read in and parse input request */
1005 static BIO
*init_responder(const char *port
)
1007 BIO
*acbio
= NULL
, *bufbio
= NULL
;
1009 bufbio
= BIO_new(BIO_f_buffer());
1012 # ifndef OPENSSL_NO_SOCK
1013 acbio
= BIO_new_accept(port
);
1016 "Error setting up accept BIO - sockets not supported.\n");
1020 BIO_set_accept_bios(acbio
, bufbio
);
1023 if (BIO_do_accept(acbio
) <= 0) {
1024 BIO_printf(bio_err
, "Error setting up accept BIO\n");
1025 ERR_print_errors(bio_err
);
1032 BIO_free_all(acbio
);
1038 static char *urldecode(char *p
)
1040 unsigned char *out
= (unsigned char *)p
;
1046 else if (p
[1] && p
[2]) {
1047 *out
++ = (app_hex(p
[1]) << 4) | app_hex(p
[2]);
1055 static int do_responder(OCSP_REQUEST
**preq
, BIO
**pcbio
, BIO
*acbio
,
1059 OCSP_REQUEST
*req
= NULL
;
1062 BIO
*cbio
= NULL
, *getbio
= NULL
, *b64
= NULL
;
1064 if (BIO_do_accept(acbio
) <= 0) {
1065 BIO_printf(bio_err
, "Error accepting connection\n");
1066 ERR_print_errors(bio_err
);
1070 cbio
= BIO_pop(acbio
);
1073 /* Read the request line. */
1074 len
= BIO_gets(cbio
, inbuf
, sizeof inbuf
);
1077 if (strncmp(inbuf
, "GET", 3) == 0) {
1078 /* Expecting GET {sp} /URL {sp} HTTP/1.x */
1079 for (p
= inbuf
+ 3; *p
== ' ' || *p
== '\t'; ++p
)
1082 /* Move past the slash before the URL part. */
1085 /* Splice off the HTTP version identifier. */
1086 for (q
= p
; *q
; q
++)
1087 if (*q
== ' ' || *q
== '\t')
1090 BIO_printf(bio_err
, "Invalid request\n");
1095 getbio
= BIO_new_mem_buf(p
, strlen(p
));
1096 b64
= BIO_new(BIO_f_base64());
1097 BIO_set_flags(b64
, BIO_FLAGS_BASE64_NO_NL
);
1098 getbio
= BIO_push(b64
, getbio
);
1099 } else if (strncmp(inbuf
, "POST", 4) != 0) {
1100 BIO_printf(bio_err
, "Invalid request\n");
1104 len
= BIO_gets(cbio
, inbuf
, sizeof inbuf
);
1107 /* Look for end of headers */
1108 if ((inbuf
[0] == '\r') || (inbuf
[0] == '\n'))
1112 /* Try to read OCSP request */
1114 req
= d2i_OCSP_REQUEST_bio(getbio
, NULL
);
1115 BIO_free_all(getbio
);
1117 req
= d2i_OCSP_REQUEST_bio(cbio
, NULL
);
1120 BIO_printf(bio_err
, "Error parsing OCSP request\n");
1121 ERR_print_errors(bio_err
);
1130 static int send_ocsp_response(BIO
*cbio
, OCSP_RESPONSE
*resp
)
1133 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1134 "Content-Length: %d\r\n\r\n";
1137 BIO_printf(cbio
, http_resp
, i2d_OCSP_RESPONSE(resp
, NULL
));
1138 i2d_OCSP_RESPONSE_bio(cbio
, resp
);
1139 (void)BIO_flush(cbio
);
1143 static OCSP_RESPONSE
*query_responder(BIO
*cbio
, const char *path
,
1144 const STACK_OF(CONF_VALUE
) *headers
,
1145 OCSP_REQUEST
*req
, int req_timeout
)
1150 OCSP_REQ_CTX
*ctx
= NULL
;
1151 OCSP_RESPONSE
*rsp
= NULL
;
1155 if (req_timeout
!= -1)
1156 BIO_set_nbio(cbio
, 1);
1158 rv
= BIO_do_connect(cbio
);
1160 if ((rv
<= 0) && ((req_timeout
== -1) || !BIO_should_retry(cbio
))) {
1161 BIO_puts(bio_err
, "Error connecting BIO\n");
1165 if (BIO_get_fd(cbio
, &fd
) <= 0) {
1166 BIO_puts(bio_err
, "Can't get connection fd\n");
1170 if (req_timeout
!= -1 && rv
<= 0) {
1172 openssl_fdset(fd
, &confds
);
1174 tv
.tv_sec
= req_timeout
;
1175 rv
= select(fd
+ 1, NULL
, (void *)&confds
, NULL
, &tv
);
1177 BIO_puts(bio_err
, "Timeout on connect\n");
1182 ctx
= OCSP_sendreq_new(cbio
, path
, NULL
, -1);
1186 for (i
= 0; i
< sk_CONF_VALUE_num(headers
); i
++) {
1187 CONF_VALUE
*hdr
= sk_CONF_VALUE_value(headers
, i
);
1188 if (!OCSP_REQ_CTX_add1_header(ctx
, hdr
->name
, hdr
->value
))
1192 if (!OCSP_REQ_CTX_set1_req(ctx
, req
))
1196 rv
= OCSP_sendreq_nbio(&rsp
, ctx
);
1199 if (req_timeout
== -1)
1202 openssl_fdset(fd
, &confds
);
1204 tv
.tv_sec
= req_timeout
;
1205 if (BIO_should_read(cbio
))
1206 rv
= select(fd
+ 1, (void *)&confds
, NULL
, NULL
, &tv
);
1207 else if (BIO_should_write(cbio
))
1208 rv
= select(fd
+ 1, NULL
, (void *)&confds
, NULL
, &tv
);
1210 BIO_puts(bio_err
, "Unexpected retry condition\n");
1214 BIO_puts(bio_err
, "Timeout on request\n");
1218 BIO_puts(bio_err
, "Select error\n");
1224 OCSP_REQ_CTX_free(ctx
);
1229 OCSP_RESPONSE
*process_responder(OCSP_REQUEST
*req
,
1230 const char *host
, const char *path
,
1231 const char *port
, int use_ssl
,
1232 const STACK_OF(CONF_VALUE
) *headers
,
1236 SSL_CTX
*ctx
= NULL
;
1237 OCSP_RESPONSE
*resp
= NULL
;
1238 cbio
= BIO_new_connect(host
);
1240 BIO_printf(bio_err
, "Error creating connect BIO\n");
1244 BIO_set_conn_port(cbio
, port
);
1247 ctx
= SSL_CTX_new(SSLv23_client_method());
1249 BIO_printf(bio_err
, "Error creating SSL context.\n");
1252 SSL_CTX_set_mode(ctx
, SSL_MODE_AUTO_RETRY
);
1253 sbio
= BIO_new_ssl(ctx
, 1);
1254 cbio
= BIO_push(sbio
, cbio
);
1256 resp
= query_responder(cbio
, path
, headers
, req
, req_timeout
);
1258 BIO_printf(bio_err
, "Error querying OCSP responder\n");