2 * Copyright 2001-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 #include <openssl/opensslconf.h>
12 #ifdef OPENSSL_SYS_VMS
13 /* So fd_set and friends get properly defined on OpenVMS */
14 # define _XOPEN_SOURCE_EXTENDED
23 /* Needs to be included before the openssl headers */
25 #include "http_server.h"
27 #include "internal/sockets.h"
28 #include <openssl/e_os2.h>
29 #include <openssl/crypto.h>
30 #include <openssl/err.h>
31 #include <openssl/ssl.h>
32 #include <openssl/evp.h>
33 #include <openssl/bn.h>
34 #include <openssl/x509v3.h>
36 DEFINE_STACK_OF(OCSP_CERTID
)
37 DEFINE_STACK_OF(CONF_VALUE
)
40 # if defined(OPENSSL_TANDEM_FLOSS)
41 # include <floss.h(floss_fork)>
45 #if defined(OPENSSL_SYS_VXWORKS)
47 int setpgid(pid_t pid
, pid_t pgid
)
59 /* Maximum leeway in validity period: default 5 minutes */
60 #define MAX_VALIDITY_PERIOD (5 * 60)
62 static int add_ocsp_cert(OCSP_REQUEST
**req
, X509
*cert
,
63 const EVP_MD
*cert_id_md
, X509
*issuer
,
64 STACK_OF(OCSP_CERTID
) *ids
);
65 static int add_ocsp_serial(OCSP_REQUEST
**req
, char *serial
,
66 const EVP_MD
*cert_id_md
, X509
*issuer
,
67 STACK_OF(OCSP_CERTID
) *ids
);
68 static void print_ocsp_summary(BIO
*out
, OCSP_BASICRESP
*bs
, OCSP_REQUEST
*req
,
69 STACK_OF(OPENSSL_STRING
) *names
,
70 STACK_OF(OCSP_CERTID
) *ids
, long nsec
,
72 static void make_ocsp_response(BIO
*err
, OCSP_RESPONSE
**resp
, OCSP_REQUEST
*req
,
73 CA_DB
*db
, STACK_OF(X509
) *ca
, X509
*rcert
,
74 EVP_PKEY
*rkey
, const EVP_MD
*md
,
75 STACK_OF(OPENSSL_STRING
) *sigopts
,
76 STACK_OF(X509
) *rother
, unsigned long flags
,
77 int nmin
, int ndays
, int badsig
,
78 const EVP_MD
*resp_md
);
80 static char **lookup_serial(CA_DB
*db
, ASN1_INTEGER
*ser
);
81 static int do_responder(OCSP_REQUEST
**preq
, BIO
**pcbio
, BIO
*acbio
,
83 static int send_ocsp_response(BIO
*cbio
, const OCSP_RESPONSE
*resp
);
87 static int index_changed(CA_DB
*);
90 typedef enum OPTION_choice
{
91 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
92 OPT_OUTFILE
, OPT_TIMEOUT
, OPT_URL
, OPT_HOST
, OPT_PORT
,
93 OPT_IGNORE_ERR
, OPT_NOVERIFY
, OPT_NONCE
, OPT_NO_NONCE
,
94 OPT_RESP_NO_CERTS
, OPT_RESP_KEY_ID
, OPT_NO_CERTS
,
95 OPT_NO_SIGNATURE_VERIFY
, OPT_NO_CERT_VERIFY
, OPT_NO_CHAIN
,
96 OPT_NO_CERT_CHECKS
, OPT_NO_EXPLICIT
, OPT_TRUST_OTHER
,
97 OPT_NO_INTERN
, OPT_BADSIG
, OPT_TEXT
, OPT_REQ_TEXT
, OPT_RESP_TEXT
,
98 OPT_REQIN
, OPT_RESPIN
, OPT_SIGNER
, OPT_VAFILE
, OPT_SIGN_OTHER
,
99 OPT_VERIFY_OTHER
, OPT_CAFILE
, OPT_CAPATH
, OPT_CASTORE
, OPT_NOCAFILE
,
100 OPT_NOCAPATH
, OPT_NOCASTORE
,
101 OPT_VALIDITY_PERIOD
, OPT_STATUS_AGE
, OPT_SIGNKEY
, OPT_REQOUT
,
102 OPT_RESPOUT
, OPT_PATH
, OPT_ISSUER
, OPT_CERT
, OPT_SERIAL
,
103 OPT_INDEX
, OPT_CA
, OPT_NMIN
, OPT_REQUEST
, OPT_NDAYS
, OPT_RSIGNER
,
104 OPT_RKEY
, OPT_ROTHER
, OPT_RMD
, OPT_RSIGOPT
, OPT_HEADER
,
109 OPT_MULTI
, OPT_PROV_ENUM
112 const OPTIONS ocsp_options
[] = {
113 OPT_SECTION("General"),
114 {"help", OPT_HELP
, '-', "Display this summary"},
115 {"ignore_err", OPT_IGNORE_ERR
, '-',
116 "Ignore error on OCSP request or response and continue running"},
117 {"CAfile", OPT_CAFILE
, '<', "Trusted certificates file"},
118 {"CApath", OPT_CAPATH
, '<', "Trusted certificates directory"},
119 {"CAstore", OPT_CASTORE
, ':', "Trusted certificates store URI"},
120 {"no-CAfile", OPT_NOCAFILE
, '-',
121 "Do not load the default certificates file"},
122 {"no-CApath", OPT_NOCAPATH
, '-',
123 "Do not load certificates from the default certificates directory"},
124 {"no-CAstore", OPT_NOCASTORE
, '-',
125 "Do not load certificates from the default certificates store"},
127 OPT_SECTION("Responder"),
128 {"timeout", OPT_TIMEOUT
, 'p',
129 "Connection timeout (in seconds) to the OCSP responder"},
130 {"resp_no_certs", OPT_RESP_NO_CERTS
, '-',
131 "Don't include any certificates in response"},
133 {"multi", OPT_MULTI
, 'p', "run multiple responder processes"},
135 {"no_certs", OPT_NO_CERTS
, '-',
136 "Don't include any certificates in signed request"},
137 {"badsig", OPT_BADSIG
, '-',
138 "Corrupt last byte of loaded OSCP response signature (for test)"},
139 {"CA", OPT_CA
, '<', "CA certificate"},
140 {"nmin", OPT_NMIN
, 'p', "Number of minutes before next update"},
141 {"nrequest", OPT_REQUEST
, 'p',
142 "Number of requests to accept (default unlimited)"},
143 {"reqin", OPT_REQIN
, 's', "File with the DER-encoded request"},
144 {"signer", OPT_SIGNER
, '<', "Certificate to sign OCSP request with"},
145 {"sign_other", OPT_SIGN_OTHER
, '<',
146 "Additional certificates to include in signed request"},
147 {"index", OPT_INDEX
, '<', "Certificate status index file"},
148 {"ndays", OPT_NDAYS
, 'p', "Number of days before next update"},
149 {"rsigner", OPT_RSIGNER
, '<',
150 "Responder certificate to sign responses with"},
151 {"rkey", OPT_RKEY
, '<', "Responder key to sign responses with"},
152 {"passin", OPT_PASSIN
, 's', "Responder key pass phrase source"},
153 {"rother", OPT_ROTHER
, '<', "Other certificates to include in response"},
154 {"rmd", OPT_RMD
, 's', "Digest Algorithm to use in signature of OCSP response"},
155 {"rsigopt", OPT_RSIGOPT
, 's', "OCSP response signature parameter in n:v form"},
156 {"header", OPT_HEADER
, 's', "key=value header to add"},
157 {"rcid", OPT_RCID
, 's', "Use specified algorithm for cert id in response"},
158 {"", OPT_MD
, '-', "Any supported digest algorithm (sha1,sha256, ... )"},
160 OPT_SECTION("Client"),
161 {"url", OPT_URL
, 's', "Responder URL"},
162 {"host", OPT_HOST
, 's', "TCP/IP hostname:port to connect to"},
163 {"port", OPT_PORT
, 'p', "Port to run responder on"},
164 {"out", OPT_OUTFILE
, '>', "Output filename"},
165 {"noverify", OPT_NOVERIFY
, '-', "Don't verify response at all"},
166 {"nonce", OPT_NONCE
, '-', "Add OCSP nonce to request"},
167 {"no_nonce", OPT_NO_NONCE
, '-', "Don't add OCSP nonce to request"},
168 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY
, '-',
169 "Don't check signature on response"},
170 {"resp_key_id", OPT_RESP_KEY_ID
, '-',
171 "Identify response by signing certificate key ID"},
172 {"no_cert_verify", OPT_NO_CERT_VERIFY
, '-',
173 "Don't check signing certificate"},
174 {"text", OPT_TEXT
, '-', "Print text form of request and response"},
175 {"req_text", OPT_REQ_TEXT
, '-', "Print text form of request"},
176 {"resp_text", OPT_RESP_TEXT
, '-', "Print text form of response"},
177 {"no_chain", OPT_NO_CHAIN
, '-', "Don't chain verify response"},
178 {"no_cert_checks", OPT_NO_CERT_CHECKS
, '-',
179 "Don't do additional checks on signing certificate"},
180 {"no_explicit", OPT_NO_EXPLICIT
, '-',
181 "Do not explicitly check the chain, just verify the root"},
182 {"trust_other", OPT_TRUST_OTHER
, '-',
183 "Don't verify additional certificates"},
184 {"no_intern", OPT_NO_INTERN
, '-',
185 "Don't search certificates contained in response for signer"},
186 {"respin", OPT_RESPIN
, 's', "File with the DER-encoded response"},
187 {"VAfile", OPT_VAFILE
, '<', "Validator certificates file"},
188 {"verify_other", OPT_VERIFY_OTHER
, '<',
189 "Additional certificates to search for signer"},
190 {"path", OPT_PATH
, 's', "Path to use in OCSP request"},
191 {"cert", OPT_CERT
, '<', "Certificate to check"},
192 {"serial", OPT_SERIAL
, 's', "Serial number to check"},
193 {"validity_period", OPT_VALIDITY_PERIOD
, 'u',
194 "Maximum validity discrepancy in seconds"},
195 {"signkey", OPT_SIGNKEY
, 's', "Private key to sign OCSP request with"},
196 {"reqout", OPT_REQOUT
, 's', "Output file for the DER-encoded request"},
197 {"respout", OPT_RESPOUT
, 's', "Output file for the DER-encoded response"},
198 {"issuer", OPT_ISSUER
, '<', "Issuer certificate"},
199 {"status_age", OPT_STATUS_AGE
, 'p', "Maximum status age in seconds"},
206 int ocsp_main(int argc
, char **argv
)
208 BIO
*acbio
= NULL
, *cbio
= NULL
, *derbio
= NULL
, *out
= NULL
;
209 const EVP_MD
*cert_id_md
= NULL
, *rsign_md
= NULL
;
210 STACK_OF(OPENSSL_STRING
) *rsign_sigopts
= NULL
;
213 EVP_PKEY
*key
= NULL
, *rkey
= NULL
;
214 OCSP_BASICRESP
*bs
= NULL
;
215 OCSP_REQUEST
*req
= NULL
;
216 OCSP_RESPONSE
*resp
= NULL
;
217 STACK_OF(CONF_VALUE
) *headers
= NULL
;
218 STACK_OF(OCSP_CERTID
) *ids
= NULL
;
219 STACK_OF(OPENSSL_STRING
) *reqnames
= NULL
;
220 STACK_OF(X509
) *sign_other
= NULL
, *verify_other
= NULL
, *rother
= NULL
;
221 STACK_OF(X509
) *issuers
= NULL
;
222 X509
*issuer
= NULL
, *cert
= NULL
;
223 STACK_OF(X509
) *rca_cert
= NULL
;
224 const EVP_MD
*resp_certid_md
= NULL
;
225 X509
*signer
= NULL
, *rsigner
= NULL
;
226 X509_STORE
*store
= NULL
;
227 X509_VERIFY_PARAM
*vpm
= NULL
;
228 const char *CAfile
= NULL
, *CApath
= NULL
, *CAstore
= NULL
;
229 char *header
, *value
;
230 char *host
= NULL
, *port
= NULL
, *path
= "/", *outfile
= NULL
;
231 char *rca_filename
= NULL
, *reqin
= NULL
, *respin
= NULL
;
232 char *reqout
= NULL
, *respout
= NULL
, *ridx_filename
= NULL
;
233 char *rsignfile
= NULL
, *rkeyfile
= NULL
;
234 char *passinarg
= NULL
, *passin
= 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 noCAfile
= 0, noCApath
= 0, noCAstore
= 0;
239 int accept_count
= -1, add_nonce
= 1, noverify
= 0, use_ssl
= -1;
240 int vpmtouched
= 0, badsig
= 0, i
, ignore_err
= 0, nmin
= 0, ndays
= -1;
241 int req_text
= 0, resp_text
= 0, res
, ret
= 1;
242 int req_timeout
= -1;
243 long nsec
= MAX_VALIDITY_PERIOD
, maxage
= -1;
244 unsigned long sign_flags
= 0, verify_flags
= 0, rflags
= 0;
247 reqnames
= sk_OPENSSL_STRING_new_null();
248 if (reqnames
== NULL
)
250 ids
= sk_OCSP_CERTID_new_null();
253 if ((vpm
= X509_VERIFY_PARAM_new()) == NULL
)
256 prog
= opt_init(argc
, argv
, ocsp_options
);
257 while ((o
= opt_next()) != OPT_EOF
) {
262 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
266 opt_help(ocsp_options
);
272 #ifndef OPENSSL_NO_SOCK
273 req_timeout
= atoi(opt_arg());
280 thost
= tport
= tpath
= NULL
;
281 if (!OSSL_HTTP_parse_url(opt_arg(),
282 &host
, &port
, NULL
, &path
, &use_ssl
)) {
283 BIO_printf(bio_err
, "%s Error parsing URL\n", prog
);
308 case OPT_RESP_NO_CERTS
:
309 rflags
|= OCSP_NOCERTS
;
311 case OPT_RESP_KEY_ID
:
312 rflags
|= OCSP_RESPID_KEY
;
315 sign_flags
|= OCSP_NOCERTS
;
317 case OPT_NO_SIGNATURE_VERIFY
:
318 verify_flags
|= OCSP_NOSIGS
;
320 case OPT_NO_CERT_VERIFY
:
321 verify_flags
|= OCSP_NOVERIFY
;
324 verify_flags
|= OCSP_NOCHAIN
;
326 case OPT_NO_CERT_CHECKS
:
327 verify_flags
|= OCSP_NOCHECKS
;
329 case OPT_NO_EXPLICIT
:
330 verify_flags
|= OCSP_NOEXPLICIT
;
332 case OPT_TRUST_OTHER
:
333 verify_flags
|= OCSP_TRUSTOTHER
;
336 verify_flags
|= OCSP_NOINTERN
;
342 req_text
= resp_text
= 1;
357 signfile
= opt_arg();
360 verify_certfile
= opt_arg();
361 verify_flags
|= OCSP_TRUSTOTHER
;
364 sign_certfile
= opt_arg();
366 case OPT_VERIFY_OTHER
:
367 verify_certfile
= opt_arg();
388 if (!opt_verify(o
, vpm
))
392 case OPT_VALIDITY_PERIOD
:
393 opt_long(opt_arg(), &nsec
);
396 opt_long(opt_arg(), &maxage
);
411 issuer
= load_cert(opt_arg(), FORMAT_UNDEF
,
412 "issuer certificate");
415 if (issuers
== NULL
) {
416 if ((issuers
= sk_X509_new_null()) == NULL
)
419 if (!sk_X509_push(issuers
, issuer
))
424 cert
= load_cert(opt_arg(), FORMAT_UNDEF
, "certificate");
427 if (cert_id_md
== NULL
)
428 cert_id_md
= EVP_sha1();
429 if (!add_ocsp_cert(&req
, cert
, cert_id_md
, issuer
, ids
))
431 if (!sk_OPENSSL_STRING_push(reqnames
, opt_arg()))
436 if (cert_id_md
== NULL
)
437 cert_id_md
= EVP_sha1();
438 if (!add_ocsp_serial(&req
, opt_arg(), cert_id_md
, issuer
, ids
))
440 if (!sk_OPENSSL_STRING_push(reqnames
, opt_arg()))
445 ridx_filename
= opt_arg();
448 rca_filename
= opt_arg();
451 opt_int(opt_arg(), &nmin
);
456 opt_int(opt_arg(), &accept_count
);
459 ndays
= atoi(opt_arg());
462 rsignfile
= opt_arg();
465 rkeyfile
= opt_arg();
468 passinarg
= opt_arg();
471 rcertfile
= opt_arg();
473 case OPT_RMD
: /* Response MessageDigest */
474 if (!opt_md(opt_arg(), &rsign_md
))
478 if (rsign_sigopts
== NULL
)
479 rsign_sigopts
= sk_OPENSSL_STRING_new_null();
480 if (rsign_sigopts
== NULL
|| !sk_OPENSSL_STRING_push(rsign_sigopts
, opt_arg()))
485 value
= strchr(header
, '=');
487 BIO_printf(bio_err
, "Missing = in header key=value\n");
491 if (!X509V3_add_value(header
, value
, &headers
))
495 resp_certid_md
= EVP_get_digestbyname(opt_arg());
496 if (resp_certid_md
== NULL
)
502 "%s: Digest must be before -cert or -serial\n",
506 if (!opt_md(opt_unknown(), &cert_id_md
))
512 multi
= atoi(opt_arg());
516 if (!opt_provider(o
))
522 BIO_printf(bio_err
, "%s: Digest must be before -cert or -serial\n",
526 argc
= opt_num_rest();
530 /* Have we anything to do? */
531 if (req
== NULL
&& reqin
== NULL
532 && respin
== NULL
&& !(port
!= NULL
&& ridx_filename
!= NULL
))
535 out
= bio_open_default(outfile
, 'w', FORMAT_TEXT
);
539 if (req
== NULL
&& (add_nonce
!= 2))
542 if (req
== NULL
&& reqin
!= NULL
) {
543 derbio
= bio_open_default(reqin
, 'r', FORMAT_ASN1
);
546 req
= d2i_OCSP_REQUEST_bio(derbio
, NULL
);
549 BIO_printf(bio_err
, "Error reading OCSP request\n");
554 if (req
== NULL
&& port
!= NULL
) {
555 #ifndef OPENSSL_NO_SOCK
556 acbio
= http_server_init_bio(prog
, port
);
560 BIO_printf(bio_err
, "Cannot act as server - sockets not supported\n");
565 if (rsignfile
!= NULL
) {
566 if (rkeyfile
== NULL
)
567 rkeyfile
= rsignfile
;
568 rsigner
= load_cert(rsignfile
, FORMAT_UNDEF
,
569 "responder certificate");
570 if (rsigner
== NULL
) {
571 BIO_printf(bio_err
, "Error loading responder certificate\n");
574 if (!load_certs(rca_filename
, &rca_cert
, NULL
, "CA certificates"))
576 if (rcertfile
!= NULL
) {
577 if (!load_certs(rcertfile
, &rother
, NULL
,
578 "responder other certificates"))
581 if (!app_passwd(passinarg
, NULL
, &passin
, NULL
)) {
582 BIO_printf(bio_err
, "Error getting password\n");
585 rkey
= load_key(rkeyfile
, FORMAT_PEM
, 0, passin
, NULL
,
586 "responder private key");
591 if (ridx_filename
!= NULL
592 && (rkey
== NULL
|| rsigner
== NULL
|| rca_cert
== NULL
)) {
594 "Responder mode requires certificate, key, and CA.\n");
598 if (ridx_filename
!= NULL
) {
599 rdb
= load_index(ridx_filename
, NULL
);
600 if (rdb
== NULL
|| index_index(rdb
) <= 0) {
607 if (multi
&& acbio
!= NULL
)
609 if (acbio
!= NULL
&& req_timeout
> 0)
610 signal(SIGALRM
, socket_timeout
);
614 log_message(prog
, LOG_INFO
, "waiting for OCSP client connections...");
620 if (index_changed(rdb
)) {
621 CA_DB
*newrdb
= load_index(ridx_filename
, NULL
);
623 if (newrdb
!= NULL
&& index_index(newrdb
) > 0) {
628 log_message(prog
, LOG_ERR
, "error reloading updated index: %s",
635 res
= do_responder(&req
, &cbio
, acbio
, req_timeout
);
642 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST
,
644 send_ocsp_response(cbio
, resp
);
651 && (signfile
!= NULL
|| reqout
!= NULL
652 || host
!= NULL
|| add_nonce
|| ridx_filename
!= NULL
)) {
653 BIO_printf(bio_err
, "Need an OCSP request for this operation!\n");
657 if (req
!= NULL
&& add_nonce
) {
658 if (!OCSP_request_add1_nonce(req
, NULL
, -1))
662 if (signfile
!= NULL
) {
665 signer
= load_cert(signfile
, FORMAT_UNDEF
, "signer certificate");
666 if (signer
== NULL
) {
667 BIO_printf(bio_err
, "Error loading signer certificate\n");
670 if (sign_certfile
!= NULL
) {
671 if (!load_certs(sign_certfile
, &sign_other
, NULL
,
672 "signer certificates"))
675 key
= load_key(keyfile
, FORMAT_PEM
, 0, NULL
, NULL
,
676 "signer private key");
680 if (!OCSP_request_sign
681 (req
, signer
, key
, NULL
, sign_other
, sign_flags
)) {
682 BIO_printf(bio_err
, "Error signing OCSP request\n");
687 if (req_text
&& req
!= NULL
)
688 OCSP_REQUEST_print(out
, req
, 0);
690 if (reqout
!= NULL
) {
691 derbio
= bio_open_default(reqout
, 'w', FORMAT_ASN1
);
694 i2d_OCSP_REQUEST_bio(derbio
, req
);
699 make_ocsp_response(bio_err
, &resp
, req
, rdb
, rca_cert
, rsigner
, rkey
,
700 rsign_md
, rsign_sigopts
, rother
, rflags
, nmin
, ndays
, badsig
,
703 send_ocsp_response(cbio
, resp
);
704 } else if (host
!= NULL
) {
705 #ifndef OPENSSL_NO_SOCK
706 resp
= process_responder(req
, host
, path
,
707 port
, use_ssl
, headers
, req_timeout
);
712 "Error creating connect BIO - sockets not supported\n");
715 } else if (respin
!= NULL
) {
716 derbio
= bio_open_default(respin
, 'r', FORMAT_ASN1
);
719 resp
= d2i_OCSP_RESPONSE_bio(derbio
, NULL
);
722 BIO_printf(bio_err
, "Error reading OCSP response\n");
732 if (respout
!= NULL
) {
733 derbio
= bio_open_default(respout
, 'w', FORMAT_ASN1
);
736 i2d_OCSP_RESPONSE_bio(derbio
, resp
);
740 i
= OCSP_response_status(resp
);
741 if (i
!= OCSP_RESPONSE_STATUS_SUCCESSFUL
) {
742 BIO_printf(out
, "Responder Error: %s (%d)\n",
743 OCSP_response_status_str(i
), i
);
749 OCSP_RESPONSE_print(out
, resp
, 0);
751 /* If running as responder don't verify our own response */
753 /* If not unlimited, see if we took all we should. */
754 if (accept_count
!= -1 && --accept_count
<= 0) {
760 OCSP_REQUEST_free(req
);
762 OCSP_RESPONSE_free(resp
);
766 if (ridx_filename
!= NULL
) {
772 store
= setup_verify(CAfile
, noCAfile
, CApath
, noCApath
,
778 X509_STORE_set1_param(store
, vpm
);
779 if (verify_certfile
!= NULL
) {
780 if (!load_certs(verify_certfile
, &verify_other
, NULL
,
781 "validator certificates"))
785 bs
= OCSP_response_get1_basic(resp
);
787 BIO_printf(bio_err
, "Error parsing response\n");
794 if (req
!= NULL
&& ((i
= OCSP_check_nonce(req
, bs
)) <= 0)) {
796 BIO_printf(bio_err
, "WARNING: no nonce in response\n");
798 BIO_printf(bio_err
, "Nonce Verify error\n");
804 i
= OCSP_basic_verify(bs
, verify_other
, store
, verify_flags
);
805 if (i
<= 0 && issuers
) {
806 i
= OCSP_basic_verify(bs
, issuers
, store
, OCSP_TRUSTOTHER
);
811 BIO_printf(bio_err
, "Response Verify Failure\n");
812 ERR_print_errors(bio_err
);
815 BIO_printf(bio_err
, "Response verify OK\n");
819 print_ocsp_summary(out
, bs
, req
, reqnames
, ids
, nsec
, maxage
);
822 ERR_print_errors(bio_err
);
824 X509_STORE_free(store
);
825 X509_VERIFY_PARAM_free(vpm
);
826 sk_OPENSSL_STRING_free(rsign_sigopts
);
830 sk_X509_pop_free(issuers
, X509_free
);
832 sk_X509_pop_free(rca_cert
, X509_free
);
837 OCSP_REQUEST_free(req
);
838 OCSP_RESPONSE_free(resp
);
839 OCSP_BASICRESP_free(bs
);
840 sk_OPENSSL_STRING_free(reqnames
);
841 sk_OCSP_CERTID_free(ids
);
842 sk_X509_pop_free(sign_other
, X509_free
);
843 sk_X509_pop_free(verify_other
, X509_free
);
844 sk_CONF_VALUE_pop_free(headers
, X509V3_conf_free
);
854 static int index_changed(CA_DB
*rdb
)
858 if (rdb
!= NULL
&& stat(rdb
->dbfname
, &sb
) != -1) {
859 if (rdb
->dbst
.st_mtime
!= sb
.st_mtime
860 || rdb
->dbst
.st_ctime
!= sb
.st_ctime
861 || rdb
->dbst
.st_ino
!= sb
.st_ino
862 || rdb
->dbst
.st_dev
!= sb
.st_dev
) {
863 syslog(LOG_INFO
, "index file changed, reloading");
872 static int add_ocsp_cert(OCSP_REQUEST
**req
, X509
*cert
,
873 const EVP_MD
*cert_id_md
, X509
*issuer
,
874 STACK_OF(OCSP_CERTID
) *ids
)
878 if (issuer
== NULL
) {
879 BIO_printf(bio_err
, "No issuer certificate specified\n");
883 *req
= OCSP_REQUEST_new();
886 id
= OCSP_cert_to_id(cert_id_md
, cert
, issuer
);
887 if (id
== NULL
|| !sk_OCSP_CERTID_push(ids
, id
))
889 if (!OCSP_request_add0_id(*req
, id
))
894 BIO_printf(bio_err
, "Error Creating OCSP request\n");
898 static int add_ocsp_serial(OCSP_REQUEST
**req
, char *serial
,
899 const EVP_MD
*cert_id_md
, X509
*issuer
,
900 STACK_OF(OCSP_CERTID
) *ids
)
903 const X509_NAME
*iname
;
904 ASN1_BIT_STRING
*ikey
;
907 if (issuer
== NULL
) {
908 BIO_printf(bio_err
, "No issuer certificate specified\n");
912 *req
= OCSP_REQUEST_new();
915 iname
= X509_get_subject_name(issuer
);
916 ikey
= X509_get0_pubkey_bitstr(issuer
);
917 sno
= s2i_ASN1_INTEGER(NULL
, serial
);
919 BIO_printf(bio_err
, "Error converting serial number %s\n", serial
);
922 id
= OCSP_cert_id_new(cert_id_md
, iname
, ikey
, sno
);
923 ASN1_INTEGER_free(sno
);
924 if (id
== NULL
|| !sk_OCSP_CERTID_push(ids
, id
))
926 if (!OCSP_request_add0_id(*req
, id
))
931 BIO_printf(bio_err
, "Error Creating OCSP request\n");
935 static void print_ocsp_summary(BIO
*out
, OCSP_BASICRESP
*bs
, OCSP_REQUEST
*req
,
936 STACK_OF(OPENSSL_STRING
) *names
,
937 STACK_OF(OCSP_CERTID
) *ids
, long nsec
,
942 int i
, status
, reason
;
943 ASN1_GENERALIZEDTIME
*rev
, *thisupd
, *nextupd
;
945 if (bs
== NULL
|| req
== NULL
|| !sk_OPENSSL_STRING_num(names
)
946 || !sk_OCSP_CERTID_num(ids
))
949 for (i
= 0; i
< sk_OCSP_CERTID_num(ids
); i
++) {
950 id
= sk_OCSP_CERTID_value(ids
, i
);
951 name
= sk_OPENSSL_STRING_value(names
, i
);
952 BIO_printf(out
, "%s: ", name
);
954 if (!OCSP_resp_find_status(bs
, id
, &status
, &reason
,
955 &rev
, &thisupd
, &nextupd
)) {
956 BIO_puts(out
, "ERROR: No Status found.\n");
961 * Check validity: if invalid write to output BIO so we know which
962 * response this refers to.
964 if (!OCSP_check_validity(thisupd
, nextupd
, nsec
, maxage
)) {
965 BIO_puts(out
, "WARNING: Status times invalid.\n");
966 ERR_print_errors(out
);
968 BIO_printf(out
, "%s\n", OCSP_cert_status_str(status
));
970 BIO_puts(out
, "\tThis Update: ");
971 ASN1_GENERALIZEDTIME_print(out
, thisupd
);
975 BIO_puts(out
, "\tNext Update: ");
976 ASN1_GENERALIZEDTIME_print(out
, nextupd
);
980 if (status
!= V_OCSP_CERTSTATUS_REVOKED
)
984 BIO_printf(out
, "\tReason: %s\n", OCSP_crl_reason_str(reason
));
986 BIO_puts(out
, "\tRevocation Time: ");
987 ASN1_GENERALIZEDTIME_print(out
, rev
);
992 static void make_ocsp_response(BIO
*err
, OCSP_RESPONSE
**resp
, OCSP_REQUEST
*req
,
993 CA_DB
*db
, STACK_OF(X509
) *ca
, X509
*rcert
,
994 EVP_PKEY
*rkey
, const EVP_MD
*rmd
,
995 STACK_OF(OPENSSL_STRING
) *sigopts
,
996 STACK_OF(X509
) *rother
, unsigned long flags
,
997 int nmin
, int ndays
, int badsig
,
998 const EVP_MD
*resp_md
)
1000 ASN1_TIME
*thisupd
= NULL
, *nextupd
= NULL
;
1002 OCSP_BASICRESP
*bs
= NULL
;
1004 EVP_MD_CTX
*mctx
= NULL
;
1005 EVP_PKEY_CTX
*pkctx
= NULL
;
1007 id_count
= OCSP_request_onereq_count(req
);
1009 if (id_count
<= 0) {
1011 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST
, NULL
);
1015 bs
= OCSP_BASICRESP_new();
1016 thisupd
= X509_gmtime_adj(NULL
, 0);
1018 nextupd
= X509_time_adj_ex(NULL
, ndays
, nmin
* 60, NULL
);
1020 /* Examine each certificate id in the request */
1021 for (i
= 0; i
< id_count
; i
++) {
1023 ASN1_INTEGER
*serial
;
1027 ASN1_OBJECT
*cert_id_md_oid
;
1028 const EVP_MD
*cert_id_md
;
1029 OCSP_CERTID
*cid_resp_md
= NULL
;
1031 one
= OCSP_request_onereq_get0(req
, i
);
1032 cid
= OCSP_onereq_get0_id(one
);
1034 OCSP_id_get0_info(NULL
, &cert_id_md_oid
, NULL
, NULL
, cid
);
1036 cert_id_md
= EVP_get_digestbyobj(cert_id_md_oid
);
1037 if (cert_id_md
== NULL
) {
1038 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR
,
1042 for (jj
= 0; jj
< sk_X509_num(ca
) && !found
; jj
++) {
1043 X509
*ca_cert
= sk_X509_value(ca
, jj
);
1044 OCSP_CERTID
*ca_id
= OCSP_cert_to_id(cert_id_md
, NULL
, ca_cert
);
1046 if (OCSP_id_issuer_cmp(ca_id
, cid
) == 0) {
1048 if (resp_md
!= NULL
)
1049 cid_resp_md
= OCSP_cert_to_id(resp_md
, NULL
, ca_cert
);
1051 OCSP_CERTID_free(ca_id
);
1053 OCSP_id_get0_info(NULL
, NULL
, NULL
, &serial
, cid
);
1054 inf
= lookup_serial(db
, serial
);
1056 /* at this point, we can have cid be an alias of cid_resp_md */
1057 cid
= (cid_resp_md
!= NULL
) ? cid_resp_md
: cid
;
1060 OCSP_basic_add1_status(bs
, cid
,
1061 V_OCSP_CERTSTATUS_UNKNOWN
,
1062 0, NULL
, thisupd
, nextupd
);
1066 OCSP_basic_add1_status(bs
, cid
,
1067 V_OCSP_CERTSTATUS_UNKNOWN
,
1068 0, NULL
, thisupd
, nextupd
);
1069 } else if (inf
[DB_type
][0] == DB_TYPE_VAL
) {
1070 OCSP_basic_add1_status(bs
, cid
,
1071 V_OCSP_CERTSTATUS_GOOD
,
1072 0, NULL
, thisupd
, nextupd
);
1073 } else if (inf
[DB_type
][0] == DB_TYPE_REV
) {
1074 ASN1_OBJECT
*inst
= NULL
;
1075 ASN1_TIME
*revtm
= NULL
;
1076 ASN1_GENERALIZEDTIME
*invtm
= NULL
;
1077 OCSP_SINGLERESP
*single
;
1080 unpack_revinfo(&revtm
, &reason
, &inst
, &invtm
, inf
[DB_rev_date
]);
1081 single
= OCSP_basic_add1_status(bs
, cid
,
1082 V_OCSP_CERTSTATUS_REVOKED
,
1083 reason
, revtm
, thisupd
, nextupd
);
1085 OCSP_SINGLERESP_add1_ext_i2d(single
, NID_invalidity_date
,
1087 else if (inst
!= NULL
)
1088 OCSP_SINGLERESP_add1_ext_i2d(single
,
1089 NID_hold_instruction_code
, inst
,
1091 ASN1_OBJECT_free(inst
);
1092 ASN1_TIME_free(revtm
);
1093 ASN1_GENERALIZEDTIME_free(invtm
);
1095 OCSP_CERTID_free(cid_resp_md
);
1098 OCSP_copy_nonce(bs
, req
);
1100 mctx
= EVP_MD_CTX_new();
1101 if ( mctx
== NULL
|| !EVP_DigestSignInit(mctx
, &pkctx
, rmd
, NULL
, rkey
)) {
1102 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR
, NULL
);
1105 for (i
= 0; i
< sk_OPENSSL_STRING_num(sigopts
); i
++) {
1106 char *sigopt
= sk_OPENSSL_STRING_value(sigopts
, i
);
1108 if (pkey_ctrl_string(pkctx
, sigopt
) <= 0) {
1109 BIO_printf(err
, "parameter error \"%s\"\n", sigopt
);
1110 ERR_print_errors(bio_err
);
1111 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR
,
1116 if (!OCSP_basic_sign_ctx(bs
, rcert
, mctx
, rother
, flags
)) {
1117 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR
, bs
);
1122 const ASN1_OCTET_STRING
*sig
= OCSP_resp_get0_signature(bs
);
1123 corrupt_signature(sig
);
1126 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL
, bs
);
1129 EVP_MD_CTX_free(mctx
);
1130 ASN1_TIME_free(thisupd
);
1131 ASN1_TIME_free(nextupd
);
1132 OCSP_BASICRESP_free(bs
);
1135 static char **lookup_serial(CA_DB
*db
, ASN1_INTEGER
*ser
)
1139 char *itmp
, *row
[DB_NUMBER
], **rrow
;
1140 for (i
= 0; i
< DB_NUMBER
; i
++)
1142 bn
= ASN1_INTEGER_to_BN(ser
, NULL
);
1143 OPENSSL_assert(bn
); /* FIXME: should report an error at this
1144 * point and abort */
1146 itmp
= OPENSSL_strdup("00");
1148 itmp
= BN_bn2hex(bn
);
1149 row
[DB_serial
] = itmp
;
1151 rrow
= TXT_DB_get_by_index(db
->db
, DB_serial
, row
);
1156 static int do_responder(OCSP_REQUEST
**preq
, BIO
**pcbio
, BIO
*acbio
,
1159 #ifndef OPENSSL_NO_SOCK
1160 return http_server_get_asn1_req(ASN1_ITEM_rptr(OCSP_RESPONSE
),
1161 (ASN1_VALUE
**)preq
, NULL
, pcbio
, acbio
,
1162 prog
, 1 /* accept_get */, timeout
);
1165 "Error getting OCSP request - sockets not supported\n");
1171 static int send_ocsp_response(BIO
*cbio
, const OCSP_RESPONSE
*resp
)
1173 #ifndef OPENSSL_NO_SOCK
1174 return http_server_send_asn1_resp(cbio
, "application/ocsp-response",
1175 ASN1_ITEM_rptr(OCSP_RESPONSE
),
1176 (const ASN1_VALUE
*)resp
);
1179 "Error sending OCSP response - sockets not supported\n");
1184 #ifndef OPENSSL_NO_SOCK
1185 OCSP_RESPONSE
*process_responder(OCSP_REQUEST
*req
,
1186 const char *host
, const char *path
,
1187 const char *port
, int use_ssl
,
1188 STACK_OF(CONF_VALUE
) *headers
,
1191 SSL_CTX
*ctx
= NULL
;
1192 OCSP_RESPONSE
*resp
= NULL
;
1195 ctx
= SSL_CTX_new(TLS_client_method());
1197 BIO_printf(bio_err
, "Error creating SSL context.\n");
1200 SSL_CTX_set_mode(ctx
, SSL_MODE_AUTO_RETRY
);
1203 resp
= (OCSP_RESPONSE
*)
1204 app_http_post_asn1(host
, port
, path
, NULL
, NULL
/* no proxy used */,
1205 ctx
, headers
, "application/ocsp-request",
1206 (ASN1_VALUE
*)req
, ASN1_ITEM_rptr(OCSP_REQUEST
),
1207 req_timeout
, ASN1_ITEM_rptr(OCSP_RESPONSE
));
1210 BIO_printf(bio_err
, "Error querying OCSP responder\n");