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());
280 if (!OCSP_parse_url(opt_arg(), &host
, &port
, &path
, &use_ssl
)) {
281 BIO_printf(bio_err
, "%s Error parsing URL\n", prog
);
306 case OPT_RESP_NO_CERTS
:
307 rflags
|= OCSP_NOCERTS
;
309 case OPT_RESP_KEY_ID
:
310 rflags
|= OCSP_RESPID_KEY
;
313 sign_flags
|= OCSP_NOCERTS
;
315 case OPT_NO_SIGNATURE_VERIFY
:
316 verify_flags
|= OCSP_NOSIGS
;
318 case OPT_NO_CERT_VERIFY
:
319 verify_flags
|= OCSP_NOVERIFY
;
322 verify_flags
|= OCSP_NOCHAIN
;
324 case OPT_NO_CERT_CHECKS
:
325 verify_flags
|= OCSP_NOCHECKS
;
327 case OPT_NO_EXPLICIT
:
328 verify_flags
|= OCSP_NOEXPLICIT
;
330 case OPT_TRUST_OTHER
:
331 verify_flags
|= OCSP_TRUSTOTHER
;
334 verify_flags
|= OCSP_NOINTERN
;
340 req_text
= resp_text
= 1;
355 signfile
= opt_arg();
358 verify_certfile
= opt_arg();
359 verify_flags
|= OCSP_TRUSTOTHER
;
362 sign_certfile
= opt_arg();
364 case OPT_VERIFY_OTHER
:
365 verify_certfile
= opt_arg();
374 if (!opt_verify(o
, vpm
))
378 case OPT_VALIDITY_PERIOD
:
379 opt_long(opt_arg(), &nsec
);
382 opt_long(opt_arg(), &maxage
);
398 issuer
= load_cert(opt_arg(), FORMAT_PEM
,
399 NULL
, NULL
, "issuer certificate");
402 if ((issuers
= sk_X509_new_null()) == NULL
)
404 sk_X509_push(issuers
, issuer
);
408 cert
= load_cert(opt_arg(), FORMAT_PEM
,
409 NULL
, NULL
, "certificate");
412 if (cert_id_md
== NULL
)
413 cert_id_md
= EVP_sha1();
414 if (!add_ocsp_cert(&req
, cert
, cert_id_md
, issuer
, ids
))
416 if (!sk_OPENSSL_STRING_push(reqnames
, opt_arg()))
420 if (cert_id_md
== NULL
)
421 cert_id_md
= EVP_sha1();
422 if (!add_ocsp_serial(&req
, opt_arg(), cert_id_md
, issuer
, ids
))
424 if (!sk_OPENSSL_STRING_push(reqnames
, opt_arg()))
428 ridx_filename
= opt_arg();
431 rca_filename
= opt_arg();
434 opt_int(opt_arg(), &nmin
);
439 opt_int(opt_arg(), &accept_count
);
442 ndays
= atoi(opt_arg());
445 rsignfile
= opt_arg();
448 rkeyfile
= opt_arg();
451 rcertfile
= opt_arg();
454 if (!opt_md(opt_arg(), &rsign_md
))
459 value
= strchr(header
, '=');
461 BIO_printf(bio_err
, "Missing = in header key=value\n");
465 if (!X509V3_add_value(header
, value
, &headers
))
469 if (cert_id_md
!= NULL
) {
471 "%s: Digest must be before -cert or -serial\n",
475 if (!opt_md(opt_unknown(), &cert_id_md
))
480 argc
= opt_num_rest();
483 /* Have we anything to do? */
484 if (!req
&& !reqin
&& !respin
&& !(port
&& ridx_filename
))
487 out
= bio_open_default(outfile
, "w");
491 if (!req
&& (add_nonce
!= 2))
495 derbio
= bio_open_default(reqin
, "rb");
498 req
= d2i_OCSP_REQUEST_bio(derbio
, NULL
);
501 BIO_printf(bio_err
, "Error reading OCSP request\n");
507 acbio
= init_responder(port
);
512 if (rsignfile
&& !rdb
) {
514 rkeyfile
= rsignfile
;
515 rsigner
= load_cert(rsignfile
, FORMAT_PEM
,
516 NULL
, NULL
, "responder certificate");
518 BIO_printf(bio_err
, "Error loading responder certificate\n");
521 rca_cert
= load_cert(rca_filename
, FORMAT_PEM
,
522 NULL
, NULL
, "CA certificate");
524 rother
= load_certs(rcertfile
, FORMAT_PEM
,
525 NULL
, NULL
, "responder other certificates");
529 rkey
= load_key(rkeyfile
, FORMAT_PEM
, 0, NULL
, NULL
,
530 "responder private key");
535 BIO_printf(bio_err
, "Waiting for OCSP client connections...\n");
540 if (!do_responder(&req
, &cbio
, acbio
, port
))
544 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST
,
546 send_ocsp_response(cbio
, resp
);
551 if (!req
&& (signfile
|| reqout
|| host
|| add_nonce
|| ridx_filename
)) {
552 BIO_printf(bio_err
, "Need an OCSP request for this operation!\n");
556 if (req
&& add_nonce
)
557 OCSP_request_add1_nonce(req
, NULL
, -1);
562 signer
= load_cert(signfile
, FORMAT_PEM
,
563 NULL
, NULL
, "signer certificate");
565 BIO_printf(bio_err
, "Error loading signer certificate\n");
569 sign_other
= load_certs(sign_certfile
, FORMAT_PEM
,
570 NULL
, NULL
, "signer certificates");
574 key
= load_key(keyfile
, FORMAT_PEM
, 0, NULL
, NULL
,
575 "signer private key");
579 if (!OCSP_request_sign
580 (req
, signer
, key
, NULL
, sign_other
, sign_flags
)) {
581 BIO_printf(bio_err
, "Error signing OCSP request\n");
587 OCSP_REQUEST_print(out
, req
, 0);
590 derbio
= bio_open_default(reqout
, "wb");
593 i2d_OCSP_REQUEST_bio(derbio
, req
);
597 if (ridx_filename
&& (!rkey
|| !rsigner
|| !rca_cert
)) {
599 "Need a responder certificate, key and CA for this operation!\n");
603 if (ridx_filename
&& !rdb
) {
604 rdb
= load_index(ridx_filename
, NULL
);
607 if (!index_index(rdb
))
612 make_ocsp_response(&resp
, req
, rdb
, rca_cert
, rsigner
, rkey
,
613 rsign_md
, rother
, rflags
, nmin
, ndays
, badsig
);
615 send_ocsp_response(cbio
, resp
);
617 # ifndef OPENSSL_NO_SOCK
618 resp
= process_responder(req
, host
, path
,
619 port
, use_ssl
, headers
, req_timeout
);
624 "Error creating connect BIO - sockets not supported.\n");
628 derbio
= bio_open_default(respin
, "rb");
631 resp
= d2i_OCSP_RESPONSE_bio(derbio
, NULL
);
634 BIO_printf(bio_err
, "Error reading OCSP response\n");
645 derbio
= bio_open_default(respout
, "wb");
648 i2d_OCSP_RESPONSE_bio(derbio
, resp
);
652 i
= OCSP_response_status(resp
);
653 if (i
!= OCSP_RESPONSE_STATUS_SUCCESSFUL
) {
654 BIO_printf(out
, "Responder Error: %s (%d)\n",
655 OCSP_response_status_str(i
), i
);
663 OCSP_RESPONSE_print(out
, resp
, 0);
665 /* If running as responder don't verify our own response */
667 if (--accept_count
<= 0) {
673 OCSP_REQUEST_free(req
);
675 OCSP_RESPONSE_free(resp
);
685 store
= setup_verify(CAfile
, CApath
);
690 X509_STORE_set1_param(store
, vpm
);
691 if (verify_certfile
) {
692 verify_other
= load_certs(verify_certfile
, FORMAT_PEM
,
693 NULL
, NULL
, "validator certificate");
698 bs
= OCSP_response_get1_basic(resp
);
700 BIO_printf(bio_err
, "Error parsing response\n");
707 if (req
&& ((i
= OCSP_check_nonce(req
, bs
)) <= 0)) {
709 BIO_printf(bio_err
, "WARNING: no nonce in response\n");
711 BIO_printf(bio_err
, "Nonce Verify error\n");
717 i
= OCSP_basic_verify(bs
, verify_other
, store
, verify_flags
);
718 if (i
<= 0 && issuers
) {
719 i
= OCSP_basic_verify(bs
, issuers
, store
, OCSP_TRUSTOTHER
);
724 BIO_printf(bio_err
, "Response Verify Failure\n");
725 ERR_print_errors(bio_err
);
728 BIO_printf(bio_err
, "Response verify OK\n");
732 print_ocsp_summary(out
, bs
, req
, reqnames
, ids
, nsec
, maxage
);
735 ERR_print_errors(bio_err
);
737 X509_STORE_free(store
);
738 X509_VERIFY_PARAM_free(vpm
);
748 OCSP_REQUEST_free(req
);
749 OCSP_RESPONSE_free(resp
);
750 OCSP_BASICRESP_free(bs
);
751 sk_OPENSSL_STRING_free(reqnames
);
752 sk_OCSP_CERTID_free(ids
);
753 sk_X509_pop_free(sign_other
, X509_free
);
754 sk_X509_pop_free(verify_other
, X509_free
);
755 sk_CONF_VALUE_pop_free(headers
, X509V3_conf_free
);
767 static int add_ocsp_cert(OCSP_REQUEST
**req
, X509
*cert
,
768 const EVP_MD
*cert_id_md
, X509
*issuer
,
769 STACK_OF(OCSP_CERTID
) *ids
)
773 BIO_printf(bio_err
, "No issuer certificate specified\n");
777 *req
= OCSP_REQUEST_new();
780 id
= OCSP_cert_to_id(cert_id_md
, cert
, issuer
);
781 if (!id
|| !sk_OCSP_CERTID_push(ids
, id
))
783 if (!OCSP_request_add0_id(*req
, id
))
788 BIO_printf(bio_err
, "Error Creating OCSP request\n");
792 static int add_ocsp_serial(OCSP_REQUEST
**req
, char *serial
,
793 const EVP_MD
*cert_id_md
, X509
*issuer
,
794 STACK_OF(OCSP_CERTID
) *ids
)
798 ASN1_BIT_STRING
*ikey
;
801 BIO_printf(bio_err
, "No issuer certificate specified\n");
805 *req
= OCSP_REQUEST_new();
808 iname
= X509_get_subject_name(issuer
);
809 ikey
= X509_get0_pubkey_bitstr(issuer
);
810 sno
= s2i_ASN1_INTEGER(NULL
, serial
);
812 BIO_printf(bio_err
, "Error converting serial number %s\n", serial
);
815 id
= OCSP_cert_id_new(cert_id_md
, iname
, ikey
, sno
);
816 ASN1_INTEGER_free(sno
);
817 if (!id
|| !sk_OCSP_CERTID_push(ids
, id
))
819 if (!OCSP_request_add0_id(*req
, id
))
824 BIO_printf(bio_err
, "Error Creating OCSP request\n");
828 static void print_ocsp_summary(BIO
*out
, OCSP_BASICRESP
*bs
, OCSP_REQUEST
*req
,
829 STACK_OF(OPENSSL_STRING
) *names
,
830 STACK_OF(OCSP_CERTID
) *ids
, long nsec
,
835 int i
, status
, reason
;
836 ASN1_GENERALIZEDTIME
*rev
, *thisupd
, *nextupd
;
838 if (!bs
|| !req
|| !sk_OPENSSL_STRING_num(names
)
839 || !sk_OCSP_CERTID_num(ids
))
842 for (i
= 0; i
< sk_OCSP_CERTID_num(ids
); i
++) {
843 id
= sk_OCSP_CERTID_value(ids
, i
);
844 name
= sk_OPENSSL_STRING_value(names
, i
);
845 BIO_printf(out
, "%s: ", name
);
847 if (!OCSP_resp_find_status(bs
, id
, &status
, &reason
,
848 &rev
, &thisupd
, &nextupd
)) {
849 BIO_puts(out
, "ERROR: No Status found.\n");
854 * Check validity: if invalid write to output BIO so we know which
855 * response this refers to.
857 if (!OCSP_check_validity(thisupd
, nextupd
, nsec
, maxage
)) {
858 BIO_puts(out
, "WARNING: Status times invalid.\n");
859 ERR_print_errors(out
);
861 BIO_printf(out
, "%s\n", OCSP_cert_status_str(status
));
863 BIO_puts(out
, "\tThis Update: ");
864 ASN1_GENERALIZEDTIME_print(out
, thisupd
);
868 BIO_puts(out
, "\tNext Update: ");
869 ASN1_GENERALIZEDTIME_print(out
, nextupd
);
873 if (status
!= V_OCSP_CERTSTATUS_REVOKED
)
877 BIO_printf(out
, "\tReason: %s\n", OCSP_crl_reason_str(reason
));
879 BIO_puts(out
, "\tRevocation Time: ");
880 ASN1_GENERALIZEDTIME_print(out
, rev
);
885 static void make_ocsp_response(OCSP_RESPONSE
**resp
, OCSP_REQUEST
*req
,
886 CA_DB
*db
, X509
*ca
, X509
*rcert
,
887 EVP_PKEY
*rkey
, const EVP_MD
*rmd
,
888 STACK_OF(X509
) *rother
, unsigned long flags
,
889 int nmin
, int ndays
, int badsig
)
891 ASN1_TIME
*thisupd
= NULL
, *nextupd
= NULL
;
892 OCSP_CERTID
*cid
, *ca_id
= NULL
;
893 OCSP_BASICRESP
*bs
= NULL
;
896 id_count
= OCSP_request_onereq_count(req
);
900 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST
, NULL
);
904 bs
= OCSP_BASICRESP_new();
905 thisupd
= X509_gmtime_adj(NULL
, 0);
907 nextupd
= X509_gmtime_adj(NULL
, nmin
* 60 + ndays
* 3600 * 24);
909 /* Examine each certificate id in the request */
910 for (i
= 0; i
< id_count
; i
++) {
912 ASN1_INTEGER
*serial
;
914 ASN1_OBJECT
*cert_id_md_oid
;
915 const EVP_MD
*cert_id_md
;
916 one
= OCSP_request_onereq_get0(req
, i
);
917 cid
= OCSP_onereq_get0_id(one
);
919 OCSP_id_get0_info(NULL
, &cert_id_md_oid
, NULL
, NULL
, cid
);
921 cert_id_md
= EVP_get_digestbyobj(cert_id_md_oid
);
923 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR
,
928 OCSP_CERTID_free(ca_id
);
929 ca_id
= OCSP_cert_to_id(cert_id_md
, NULL
, ca
);
931 /* Is this request about our CA? */
932 if (OCSP_id_issuer_cmp(ca_id
, cid
)) {
933 OCSP_basic_add1_status(bs
, cid
,
934 V_OCSP_CERTSTATUS_UNKNOWN
,
935 0, NULL
, thisupd
, nextupd
);
938 OCSP_id_get0_info(NULL
, NULL
, NULL
, &serial
, cid
);
939 inf
= lookup_serial(db
, serial
);
941 OCSP_basic_add1_status(bs
, cid
,
942 V_OCSP_CERTSTATUS_UNKNOWN
,
943 0, NULL
, thisupd
, nextupd
);
944 else if (inf
[DB_type
][0] == DB_TYPE_VAL
)
945 OCSP_basic_add1_status(bs
, cid
,
946 V_OCSP_CERTSTATUS_GOOD
,
947 0, NULL
, thisupd
, nextupd
);
948 else if (inf
[DB_type
][0] == DB_TYPE_REV
) {
949 ASN1_OBJECT
*inst
= NULL
;
950 ASN1_TIME
*revtm
= NULL
;
951 ASN1_GENERALIZEDTIME
*invtm
= NULL
;
952 OCSP_SINGLERESP
*single
;
954 unpack_revinfo(&revtm
, &reason
, &inst
, &invtm
, inf
[DB_rev_date
]);
955 single
= OCSP_basic_add1_status(bs
, cid
,
956 V_OCSP_CERTSTATUS_REVOKED
,
957 reason
, revtm
, thisupd
, nextupd
);
959 OCSP_SINGLERESP_add1_ext_i2d(single
, NID_invalidity_date
,
962 OCSP_SINGLERESP_add1_ext_i2d(single
,
963 NID_hold_instruction_code
, inst
,
965 ASN1_OBJECT_free(inst
);
966 ASN1_TIME_free(revtm
);
967 ASN1_GENERALIZEDTIME_free(invtm
);
971 OCSP_copy_nonce(bs
, req
);
973 OCSP_basic_sign(bs
, rcert
, rkey
, rmd
, rother
, flags
);
976 ASN1_OCTET_STRING
*sig
= OCSP_resp_get0_signature(bs
);
977 unsigned char *sigptr
= ASN1_STRING_data(sig
);
978 sigptr
[ASN1_STRING_length(sig
) - 1] ^= 0x1;
981 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL
, bs
);
984 ASN1_TIME_free(thisupd
);
985 ASN1_TIME_free(nextupd
);
986 OCSP_CERTID_free(ca_id
);
987 OCSP_BASICRESP_free(bs
);
990 static char **lookup_serial(CA_DB
*db
, ASN1_INTEGER
*ser
)
994 char *itmp
, *row
[DB_NUMBER
], **rrow
;
995 for (i
= 0; i
< DB_NUMBER
; i
++)
997 bn
= ASN1_INTEGER_to_BN(ser
, NULL
);
998 OPENSSL_assert(bn
); /* FIXME: should report an error at this
1001 itmp
= BUF_strdup("00");
1003 itmp
= BN_bn2hex(bn
);
1004 row
[DB_serial
] = itmp
;
1006 rrow
= TXT_DB_get_by_index(db
->db
, DB_serial
, row
);
1011 /* Quick and dirty OCSP server: read in and parse input request */
1013 static BIO
*init_responder(const char *port
)
1015 BIO
*acbio
= NULL
, *bufbio
= NULL
;
1017 bufbio
= BIO_new(BIO_f_buffer());
1020 # ifndef OPENSSL_NO_SOCK
1021 acbio
= BIO_new_accept(port
);
1024 "Error setting up accept BIO - sockets not supported.\n");
1028 BIO_set_accept_bios(acbio
, bufbio
);
1031 if (BIO_do_accept(acbio
) <= 0) {
1032 BIO_printf(bio_err
, "Error setting up accept BIO\n");
1033 ERR_print_errors(bio_err
);
1040 BIO_free_all(acbio
);
1046 static char *urldecode(char *p
)
1048 unsigned char *out
= (unsigned char *)p
;
1054 else if (p
[1] && p
[2]) {
1055 *out
++ = (app_hex(p
[1]) << 4) | app_hex(p
[2]);
1063 static int do_responder(OCSP_REQUEST
**preq
, BIO
**pcbio
, BIO
*acbio
,
1067 OCSP_REQUEST
*req
= NULL
;
1070 BIO
*cbio
= NULL
, *getbio
= NULL
, *b64
= NULL
;
1072 if (BIO_do_accept(acbio
) <= 0) {
1073 BIO_printf(bio_err
, "Error accepting connection\n");
1074 ERR_print_errors(bio_err
);
1078 cbio
= BIO_pop(acbio
);
1081 /* Read the request line. */
1082 len
= BIO_gets(cbio
, inbuf
, sizeof inbuf
);
1085 if (strncmp(inbuf
, "GET", 3) == 0) {
1086 /* Expecting GET {sp} /URL {sp} HTTP/1.x */
1087 for (p
= inbuf
+ 3; *p
== ' ' || *p
== '\t'; ++p
)
1090 /* Move past the slash before the URL part. */
1093 /* Splice off the HTTP version identifier. */
1094 for (q
= p
; *q
; q
++)
1095 if (*q
== ' ' || *q
== '\t')
1098 BIO_printf(bio_err
, "Invalid request\n");
1103 getbio
= BIO_new_mem_buf(p
, strlen(p
));
1104 b64
= BIO_new(BIO_f_base64());
1105 BIO_set_flags(b64
, BIO_FLAGS_BASE64_NO_NL
);
1106 getbio
= BIO_push(b64
, getbio
);
1107 } else if (strncmp(inbuf
, "POST", 4) != 0) {
1108 BIO_printf(bio_err
, "Invalid request\n");
1112 len
= BIO_gets(cbio
, inbuf
, sizeof inbuf
);
1115 /* Look for end of headers */
1116 if ((inbuf
[0] == '\r') || (inbuf
[0] == '\n'))
1120 /* Try to read OCSP request */
1122 req
= d2i_OCSP_REQUEST_bio(getbio
, NULL
);
1123 BIO_free_all(getbio
);
1125 req
= d2i_OCSP_REQUEST_bio(cbio
, NULL
);
1128 BIO_printf(bio_err
, "Error parsing OCSP request\n");
1129 ERR_print_errors(bio_err
);
1138 static int send_ocsp_response(BIO
*cbio
, OCSP_RESPONSE
*resp
)
1141 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1142 "Content-Length: %d\r\n\r\n";
1145 BIO_printf(cbio
, http_resp
, i2d_OCSP_RESPONSE(resp
, NULL
));
1146 i2d_OCSP_RESPONSE_bio(cbio
, resp
);
1147 (void)BIO_flush(cbio
);
1151 static OCSP_RESPONSE
*query_responder(BIO
*cbio
, const char *path
,
1152 const STACK_OF(CONF_VALUE
) *headers
,
1153 OCSP_REQUEST
*req
, int req_timeout
)
1158 OCSP_REQ_CTX
*ctx
= NULL
;
1159 OCSP_RESPONSE
*rsp
= NULL
;
1163 if (req_timeout
!= -1)
1164 BIO_set_nbio(cbio
, 1);
1166 rv
= BIO_do_connect(cbio
);
1168 if ((rv
<= 0) && ((req_timeout
== -1) || !BIO_should_retry(cbio
))) {
1169 BIO_puts(bio_err
, "Error connecting BIO\n");
1173 if (BIO_get_fd(cbio
, &fd
) <= 0) {
1174 BIO_puts(bio_err
, "Can't get connection fd\n");
1178 if (req_timeout
!= -1 && rv
<= 0) {
1180 openssl_fdset(fd
, &confds
);
1182 tv
.tv_sec
= req_timeout
;
1183 rv
= select(fd
+ 1, NULL
, (void *)&confds
, NULL
, &tv
);
1185 BIO_puts(bio_err
, "Timeout on connect\n");
1190 ctx
= OCSP_sendreq_new(cbio
, path
, NULL
, -1);
1194 for (i
= 0; i
< sk_CONF_VALUE_num(headers
); i
++) {
1195 CONF_VALUE
*hdr
= sk_CONF_VALUE_value(headers
, i
);
1196 if (!OCSP_REQ_CTX_add1_header(ctx
, hdr
->name
, hdr
->value
))
1200 if (!OCSP_REQ_CTX_set1_req(ctx
, req
))
1204 rv
= OCSP_sendreq_nbio(&rsp
, ctx
);
1207 if (req_timeout
== -1)
1210 openssl_fdset(fd
, &confds
);
1212 tv
.tv_sec
= req_timeout
;
1213 if (BIO_should_read(cbio
))
1214 rv
= select(fd
+ 1, (void *)&confds
, NULL
, NULL
, &tv
);
1215 else if (BIO_should_write(cbio
))
1216 rv
= select(fd
+ 1, NULL
, (void *)&confds
, NULL
, &tv
);
1218 BIO_puts(bio_err
, "Unexpected retry condition\n");
1222 BIO_puts(bio_err
, "Timeout on request\n");
1226 BIO_puts(bio_err
, "Select error\n");
1233 OCSP_REQ_CTX_free(ctx
);
1238 OCSP_RESPONSE
*process_responder(OCSP_REQUEST
*req
,
1239 const char *host
, const char *path
,
1240 const char *port
, int use_ssl
,
1241 const STACK_OF(CONF_VALUE
) *headers
,
1245 SSL_CTX
*ctx
= NULL
;
1246 OCSP_RESPONSE
*resp
= NULL
;
1247 cbio
= BIO_new_connect(host
);
1249 BIO_printf(bio_err
, "Error creating connect BIO\n");
1253 BIO_set_conn_port(cbio
, port
);
1256 ctx
= SSL_CTX_new(SSLv23_client_method());
1258 BIO_printf(bio_err
, "Error creating SSL context.\n");
1261 SSL_CTX_set_mode(ctx
, SSL_MODE_AUTO_RETRY
);
1262 sbio
= BIO_new_ssl(ctx
, 1);
1263 cbio
= BIO_push(sbio
, cbio
);
1265 resp
= query_responder(cbio
, path
, headers
, req
, req_timeout
);
1267 BIO_printf(bio_err
, "Error querying OCSP responder\n");