2 * Copyright 2001-2021 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>
37 # if defined(OPENSSL_TANDEM_FLOSS)
38 # include <floss.h(floss_fork)>
42 #if defined(OPENSSL_SYS_VXWORKS)
44 int setpgid(pid_t pid
, pid_t pgid
)
56 /* Maximum leeway in validity period: default 5 minutes */
57 #define MAX_VALIDITY_PERIOD (5 * 60)
59 static int add_ocsp_cert(OCSP_REQUEST
**req
, X509
*cert
,
60 const EVP_MD
*cert_id_md
, X509
*issuer
,
61 STACK_OF(OCSP_CERTID
) *ids
);
62 static int add_ocsp_serial(OCSP_REQUEST
**req
, char *serial
,
63 const EVP_MD
*cert_id_md
, X509
*issuer
,
64 STACK_OF(OCSP_CERTID
) *ids
);
65 static int print_ocsp_summary(BIO
*out
, OCSP_BASICRESP
*bs
, OCSP_REQUEST
*req
,
66 STACK_OF(OPENSSL_STRING
) *names
,
67 STACK_OF(OCSP_CERTID
) *ids
, long nsec
,
69 static void make_ocsp_response(BIO
*err
, OCSP_RESPONSE
**resp
, OCSP_REQUEST
*req
,
70 CA_DB
*db
, STACK_OF(X509
) *ca
, X509
*rcert
,
71 EVP_PKEY
*rkey
, const EVP_MD
*md
,
72 STACK_OF(OPENSSL_STRING
) *sigopts
,
73 STACK_OF(X509
) *rother
, unsigned long flags
,
74 int nmin
, int ndays
, int badsig
,
75 const EVP_MD
*resp_md
);
77 static char **lookup_serial(CA_DB
*db
, ASN1_INTEGER
*ser
);
78 static int do_responder(OCSP_REQUEST
**preq
, BIO
**pcbio
, BIO
*acbio
,
80 static int send_ocsp_response(BIO
*cbio
, const OCSP_RESPONSE
*resp
);
84 static int index_changed(CA_DB
*);
87 typedef enum OPTION_choice
{
89 OPT_OUTFILE
, OPT_TIMEOUT
, OPT_URL
, OPT_HOST
, OPT_PORT
,
90 #ifndef OPENSSL_NO_SOCK
91 OPT_PROXY
, OPT_NO_PROXY
,
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
, 'N', "Port to run responder on"},
164 {"path", OPT_PATH
, 's', "Path to use in OCSP request"},
165 #ifndef OPENSSL_NO_SOCK
166 {"proxy", OPT_PROXY
, 's',
167 "[http[s]://]host[:port][/path] of HTTP(S) proxy to use; path is ignored"},
168 {"no_proxy", OPT_NO_PROXY
, 's',
169 "List of addresses of servers not to use HTTP(S) proxy for"},
171 "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
173 {"out", OPT_OUTFILE
, '>', "Output filename"},
174 {"noverify", OPT_NOVERIFY
, '-', "Don't verify response at all"},
175 {"nonce", OPT_NONCE
, '-', "Add OCSP nonce to request"},
176 {"no_nonce", OPT_NO_NONCE
, '-', "Don't add OCSP nonce to request"},
177 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY
, '-',
178 "Don't check signature on response"},
179 {"resp_key_id", OPT_RESP_KEY_ID
, '-',
180 "Identify response by signing certificate key ID"},
181 {"no_cert_verify", OPT_NO_CERT_VERIFY
, '-',
182 "Don't check signing certificate"},
183 {"text", OPT_TEXT
, '-', "Print text form of request and response"},
184 {"req_text", OPT_REQ_TEXT
, '-', "Print text form of request"},
185 {"resp_text", OPT_RESP_TEXT
, '-', "Print text form of response"},
186 {"no_chain", OPT_NO_CHAIN
, '-', "Don't chain verify response"},
187 {"no_cert_checks", OPT_NO_CERT_CHECKS
, '-',
188 "Don't do additional checks on signing certificate"},
189 {"no_explicit", OPT_NO_EXPLICIT
, '-',
190 "Do not explicitly check the chain, just verify the root"},
191 {"trust_other", OPT_TRUST_OTHER
, '-',
192 "Don't verify additional certificates"},
193 {"no_intern", OPT_NO_INTERN
, '-',
194 "Don't search certificates contained in response for signer"},
195 {"respin", OPT_RESPIN
, 's', "File with the DER-encoded response"},
196 {"VAfile", OPT_VAFILE
, '<', "Validator certificates file"},
197 {"verify_other", OPT_VERIFY_OTHER
, '<',
198 "Additional certificates to search for signer"},
199 {"cert", OPT_CERT
, '<',
200 "Certificate to check; may be given multiple times"},
201 {"serial", OPT_SERIAL
, 's',
202 "Serial number to check; may be given multiple times"},
203 {"validity_period", OPT_VALIDITY_PERIOD
, 'u',
204 "Maximum validity discrepancy in seconds"},
205 {"signkey", OPT_SIGNKEY
, 's', "Private key to sign OCSP request with"},
206 {"reqout", OPT_REQOUT
, 's', "Output file for the DER-encoded request"},
207 {"respout", OPT_RESPOUT
, 's', "Output file for the DER-encoded response"},
208 {"issuer", OPT_ISSUER
, '<', "Issuer certificate"},
209 {"status_age", OPT_STATUS_AGE
, 'p', "Maximum status age in seconds"},
216 int ocsp_main(int argc
, char **argv
)
218 BIO
*acbio
= NULL
, *cbio
= NULL
, *derbio
= NULL
, *out
= NULL
;
219 EVP_MD
*cert_id_md
= NULL
, *rsign_md
= NULL
;
220 STACK_OF(OPENSSL_STRING
) *rsign_sigopts
= NULL
;
223 EVP_PKEY
*key
= NULL
, *rkey
= NULL
;
224 OCSP_BASICRESP
*bs
= NULL
;
225 OCSP_REQUEST
*req
= NULL
;
226 OCSP_RESPONSE
*resp
= NULL
;
227 STACK_OF(CONF_VALUE
) *headers
= NULL
;
228 STACK_OF(OCSP_CERTID
) *ids
= NULL
;
229 STACK_OF(OPENSSL_STRING
) *reqnames
= NULL
;
230 STACK_OF(X509
) *sign_other
= NULL
, *verify_other
= NULL
, *rother
= NULL
;
231 STACK_OF(X509
) *issuers
= NULL
;
232 X509
*issuer
= NULL
, *cert
= NULL
;
233 STACK_OF(X509
) *rca_cert
= NULL
;
234 EVP_MD
*resp_certid_md
= NULL
;
235 X509
*signer
= NULL
, *rsigner
= NULL
;
236 X509_STORE
*store
= NULL
;
237 X509_VERIFY_PARAM
*vpm
= NULL
;
238 const char *CAfile
= NULL
, *CApath
= NULL
, *CAstore
= NULL
;
239 char *header
, *value
, *respdigname
= NULL
;
240 char *host
= NULL
, *port
= NULL
, *path
= "/", *outfile
= NULL
;
241 #ifndef OPENSSL_NO_SOCK
242 char *opt_proxy
= NULL
;
243 char *opt_no_proxy
= NULL
;
245 char *rca_filename
= NULL
, *reqin
= NULL
, *respin
= NULL
;
246 char *reqout
= NULL
, *respout
= NULL
, *ridx_filename
= NULL
;
247 char *rsignfile
= NULL
, *rkeyfile
= NULL
;
248 char *passinarg
= NULL
, *passin
= 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, noCAstore
= 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, res
, ret
= 1;
256 int req_timeout
= -1;
257 long nsec
= MAX_VALIDITY_PERIOD
, maxage
= -1;
258 unsigned long sign_flags
= 0, verify_flags
= 0, rflags
= 0;
261 if ((reqnames
= sk_OPENSSL_STRING_new_null()) == NULL
262 || (ids
= sk_OCSP_CERTID_new_null()) == NULL
263 || (vpm
= X509_VERIFY_PARAM_new()) == NULL
)
266 opt_set_unknown_name("digest");
267 prog
= opt_init(argc
, argv
, ocsp_options
);
268 while ((o
= opt_next()) != OPT_EOF
) {
273 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
277 opt_help(ocsp_options
);
283 #ifndef OPENSSL_NO_SOCK
284 req_timeout
= atoi(opt_arg());
291 thost
= tport
= tpath
= NULL
;
292 if (!OSSL_HTTP_parse_url(opt_arg(), &use_ssl
, NULL
/* userinfo */,
293 &host
, &port
, NULL
/* port_num */,
294 &path
, NULL
/* qry */, NULL
/* frag */)) {
295 BIO_printf(bio_err
, "%s Error parsing -url argument\n", prog
);
311 #ifndef OPENSSL_NO_SOCK
313 opt_proxy
= opt_arg();
316 opt_no_proxy
= opt_arg();
331 case OPT_RESP_NO_CERTS
:
332 rflags
|= OCSP_NOCERTS
;
334 case OPT_RESP_KEY_ID
:
335 rflags
|= OCSP_RESPID_KEY
;
338 sign_flags
|= OCSP_NOCERTS
;
340 case OPT_NO_SIGNATURE_VERIFY
:
341 verify_flags
|= OCSP_NOSIGS
;
343 case OPT_NO_CERT_VERIFY
:
344 verify_flags
|= OCSP_NOVERIFY
;
347 verify_flags
|= OCSP_NOCHAIN
;
349 case OPT_NO_CERT_CHECKS
:
350 verify_flags
|= OCSP_NOCHECKS
;
352 case OPT_NO_EXPLICIT
:
353 verify_flags
|= OCSP_NOEXPLICIT
;
355 case OPT_TRUST_OTHER
:
356 verify_flags
|= OCSP_TRUSTOTHER
;
359 verify_flags
|= OCSP_NOINTERN
;
365 req_text
= resp_text
= 1;
380 signfile
= opt_arg();
383 verify_certfile
= opt_arg();
384 verify_flags
|= OCSP_TRUSTOTHER
;
387 sign_certfile
= opt_arg();
389 case OPT_VERIFY_OTHER
:
390 verify_certfile
= opt_arg();
411 if (!opt_verify(o
, vpm
))
415 case OPT_VALIDITY_PERIOD
:
416 opt_long(opt_arg(), &nsec
);
419 opt_long(opt_arg(), &maxage
);
431 issuer
= load_cert(opt_arg(), FORMAT_UNDEF
, "issuer certificate");
434 if (issuers
== NULL
) {
435 if ((issuers
= sk_X509_new_null()) == NULL
)
438 if (!sk_X509_push(issuers
, issuer
))
444 cert
= load_cert(opt_arg(), FORMAT_UNDEF
, "certificate");
447 if (cert_id_md
== NULL
)
448 cert_id_md
= (EVP_MD
*)EVP_sha1();
449 if (!add_ocsp_cert(&req
, cert
, cert_id_md
, issuer
, ids
))
451 if (!sk_OPENSSL_STRING_push(reqnames
, opt_arg()))
457 if (cert_id_md
== NULL
)
458 cert_id_md
= (EVP_MD
*)EVP_sha1();
459 if (!add_ocsp_serial(&req
, opt_arg(), cert_id_md
, issuer
, ids
))
461 if (!sk_OPENSSL_STRING_push(reqnames
, opt_arg()))
466 ridx_filename
= opt_arg();
469 rca_filename
= opt_arg();
472 nmin
= opt_int_arg();
477 accept_count
= opt_int_arg();
480 ndays
= atoi(opt_arg());
483 rsignfile
= opt_arg();
486 rkeyfile
= opt_arg();
489 passinarg
= opt_arg();
492 rcertfile
= opt_arg();
494 case OPT_RMD
: /* Response MessageDigest */
495 respdigname
= opt_arg();
498 if (rsign_sigopts
== NULL
)
499 rsign_sigopts
= sk_OPENSSL_STRING_new_null();
500 if (rsign_sigopts
== NULL
501 || !sk_OPENSSL_STRING_push(rsign_sigopts
, opt_arg()))
506 value
= strchr(header
, '=');
508 BIO_printf(bio_err
, "Missing = in header key=value\n");
512 if (!X509V3_add_value(header
, value
, &headers
))
516 if (!opt_md(opt_arg(), &resp_certid_md
))
522 "%s: Digest must be before -cert or -serial\n",
526 if (!opt_md(opt_unknown(), &cert_id_md
))
532 multi
= atoi(opt_arg());
536 if (!opt_provider(o
))
542 /* No extra arguments. */
543 if (!opt_check_rest_arg(NULL
))
547 BIO_printf(bio_err
, "%s: Digest must be before -cert or -serial\n",
552 if (respdigname
!= NULL
) {
553 if (!opt_md(respdigname
, &rsign_md
))
557 /* Have we anything to do? */
558 if (req
== NULL
&& reqin
== NULL
559 && respin
== NULL
&& !(port
!= NULL
&& ridx_filename
!= NULL
))
562 out
= bio_open_default(outfile
, 'w', FORMAT_TEXT
);
566 if (req
== NULL
&& (add_nonce
!= 2))
569 if (req
== NULL
&& reqin
!= NULL
) {
570 derbio
= bio_open_default(reqin
, 'r', FORMAT_ASN1
);
573 req
= d2i_OCSP_REQUEST_bio(derbio
, NULL
);
576 BIO_printf(bio_err
, "Error reading OCSP request\n");
581 if (req
== NULL
&& port
!= NULL
) {
582 #ifndef OPENSSL_NO_SOCK
583 acbio
= http_server_init(prog
, port
, -1);
587 BIO_printf(bio_err
, "Cannot act as server - sockets not supported\n");
592 if (rsignfile
!= NULL
) {
593 if (rkeyfile
== NULL
)
594 rkeyfile
= rsignfile
;
595 rsigner
= load_cert(rsignfile
, FORMAT_UNDEF
, "responder certificate");
596 if (rsigner
== NULL
) {
597 BIO_printf(bio_err
, "Error loading responder certificate\n");
600 if (!load_certs(rca_filename
, 0, &rca_cert
, NULL
, "CA certificates"))
602 if (rcertfile
!= NULL
) {
603 if (!load_certs(rcertfile
, 0, &rother
, NULL
,
604 "responder other certificates"))
607 if (!app_passwd(passinarg
, NULL
, &passin
, NULL
)) {
608 BIO_printf(bio_err
, "Error getting password\n");
611 rkey
= load_key(rkeyfile
, FORMAT_UNDEF
, 0, passin
, NULL
,
612 "responder private key");
617 if (ridx_filename
!= NULL
618 && (rkey
== NULL
|| rsigner
== NULL
|| rca_cert
== NULL
)) {
620 "Responder mode requires certificate, key, and CA.\n");
624 if (ridx_filename
!= NULL
) {
625 rdb
= load_index(ridx_filename
, NULL
);
626 if (rdb
== NULL
|| index_index(rdb
) <= 0) {
628 "Problem with index file: %s (could not load/parse file)\n",
636 if (multi
&& acbio
!= NULL
)
638 if (acbio
!= NULL
&& req_timeout
> 0)
639 signal(SIGALRM
, socket_timeout
);
643 log_message(prog
, LOG_INFO
, "waiting for OCSP client connections...");
649 if (index_changed(rdb
)) {
650 CA_DB
*newrdb
= load_index(ridx_filename
, NULL
);
652 if (newrdb
!= NULL
&& index_index(newrdb
) > 0) {
657 log_message(prog
, LOG_ERR
, "error reloading updated index: %s",
664 res
= do_responder(&req
, &cbio
, acbio
, req_timeout
);
671 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST
,
673 send_ocsp_response(cbio
, resp
);
680 && (signfile
!= NULL
|| reqout
!= NULL
681 || host
!= NULL
|| add_nonce
|| ridx_filename
!= NULL
)) {
682 BIO_printf(bio_err
, "Need an OCSP request for this operation!\n");
686 if (req
!= NULL
&& add_nonce
) {
687 if (!OCSP_request_add1_nonce(req
, NULL
, -1))
691 if (signfile
!= NULL
) {
694 signer
= load_cert(signfile
, FORMAT_UNDEF
, "signer certificate");
695 if (signer
== NULL
) {
696 BIO_printf(bio_err
, "Error loading signer certificate\n");
699 if (sign_certfile
!= NULL
) {
700 if (!load_certs(sign_certfile
, 0, &sign_other
, NULL
,
701 "signer certificates"))
704 key
= load_key(keyfile
, FORMAT_UNDEF
, 0, NULL
, NULL
,
705 "signer private key");
709 if (!OCSP_request_sign(req
, signer
, key
, NULL
,
710 sign_other
, sign_flags
)) {
711 BIO_printf(bio_err
, "Error signing OCSP request\n");
716 if (req_text
&& req
!= NULL
)
717 OCSP_REQUEST_print(out
, req
, 0);
719 if (reqout
!= NULL
) {
720 derbio
= bio_open_default(reqout
, 'w', FORMAT_ASN1
);
723 i2d_OCSP_REQUEST_bio(derbio
, req
);
728 make_ocsp_response(bio_err
, &resp
, req
, rdb
, rca_cert
, rsigner
, rkey
,
729 rsign_md
, rsign_sigopts
, rother
, rflags
, nmin
, ndays
,
730 badsig
, resp_certid_md
);
732 send_ocsp_response(cbio
, resp
);
733 } else if (host
!= NULL
) {
734 #ifndef OPENSSL_NO_SOCK
735 resp
= process_responder(req
, host
, port
, path
, opt_proxy
, opt_no_proxy
,
736 use_ssl
, headers
, req_timeout
);
741 "Error creating connect BIO - sockets not supported\n");
744 } else if (respin
!= NULL
) {
745 derbio
= bio_open_default(respin
, 'r', FORMAT_ASN1
);
748 resp
= d2i_OCSP_RESPONSE_bio(derbio
, NULL
);
751 BIO_printf(bio_err
, "Error reading OCSP response\n");
761 if (respout
!= NULL
) {
762 derbio
= bio_open_default(respout
, 'w', FORMAT_ASN1
);
765 i2d_OCSP_RESPONSE_bio(derbio
, resp
);
769 i
= OCSP_response_status(resp
);
770 if (i
!= OCSP_RESPONSE_STATUS_SUCCESSFUL
) {
771 BIO_printf(out
, "Responder Error: %s (%d)\n",
772 OCSP_response_status_str(i
), i
);
778 OCSP_RESPONSE_print(out
, resp
, 0);
780 /* If running as responder don't verify our own response */
782 /* If not unlimited, see if we took all we should. */
783 if (accept_count
!= -1 && --accept_count
<= 0) {
789 OCSP_REQUEST_free(req
);
791 OCSP_RESPONSE_free(resp
);
795 if (ridx_filename
!= NULL
) {
801 store
= setup_verify(CAfile
, noCAfile
, CApath
, noCApath
,
807 X509_STORE_set1_param(store
, vpm
);
808 if (verify_certfile
!= NULL
) {
809 if (!load_certs(verify_certfile
, 0, &verify_other
, NULL
,
810 "validator certificates"))
814 bs
= OCSP_response_get1_basic(resp
);
816 BIO_printf(bio_err
, "Error parsing response\n");
823 if (req
!= NULL
&& ((i
= OCSP_check_nonce(req
, bs
)) <= 0)) {
825 BIO_printf(bio_err
, "WARNING: no nonce in response\n");
827 BIO_printf(bio_err
, "Nonce Verify error\n");
833 i
= OCSP_basic_verify(bs
, verify_other
, store
, verify_flags
);
834 if (i
<= 0 && issuers
) {
835 i
= OCSP_basic_verify(bs
, issuers
, store
, OCSP_TRUSTOTHER
);
840 BIO_printf(bio_err
, "Response Verify Failure\n");
841 ERR_print_errors(bio_err
);
844 BIO_printf(bio_err
, "Response verify OK\n");
848 if (!print_ocsp_summary(out
, bs
, req
, reqnames
, ids
, nsec
, maxage
))
852 ERR_print_errors(bio_err
);
854 X509_STORE_free(store
);
855 X509_VERIFY_PARAM_free(vpm
);
856 sk_OPENSSL_STRING_free(rsign_sigopts
);
859 EVP_MD_free(cert_id_md
);
860 EVP_MD_free(rsign_md
);
861 EVP_MD_free(resp_certid_md
);
863 OSSL_STACK_OF_X509_free(issuers
);
865 OSSL_STACK_OF_X509_free(rca_cert
);
870 OCSP_REQUEST_free(req
);
871 OCSP_RESPONSE_free(resp
);
872 OCSP_BASICRESP_free(bs
);
873 sk_OPENSSL_STRING_free(reqnames
);
874 sk_OCSP_CERTID_free(ids
);
875 OSSL_STACK_OF_X509_free(sign_other
);
876 OSSL_STACK_OF_X509_free(verify_other
);
877 sk_CONF_VALUE_pop_free(headers
, X509V3_conf_free
);
887 static int index_changed(CA_DB
*rdb
)
891 if (rdb
!= NULL
&& stat(rdb
->dbfname
, &sb
) != -1) {
892 if (rdb
->dbst
.st_mtime
!= sb
.st_mtime
893 || rdb
->dbst
.st_ctime
!= sb
.st_ctime
894 || rdb
->dbst
.st_ino
!= sb
.st_ino
895 || rdb
->dbst
.st_dev
!= sb
.st_dev
) {
896 syslog(LOG_INFO
, "index file changed, reloading");
905 static int add_ocsp_cert(OCSP_REQUEST
**req
, X509
*cert
,
906 const EVP_MD
*cert_id_md
, X509
*issuer
,
907 STACK_OF(OCSP_CERTID
) *ids
)
911 if (issuer
== NULL
) {
912 BIO_printf(bio_err
, "No issuer certificate specified\n");
916 *req
= OCSP_REQUEST_new();
919 id
= OCSP_cert_to_id(cert_id_md
, cert
, issuer
);
920 if (id
== NULL
|| !sk_OCSP_CERTID_push(ids
, id
))
922 if (!OCSP_request_add0_id(*req
, id
))
927 BIO_printf(bio_err
, "Error Creating OCSP request\n");
931 static int add_ocsp_serial(OCSP_REQUEST
**req
, char *serial
,
932 const EVP_MD
*cert_id_md
, X509
*issuer
,
933 STACK_OF(OCSP_CERTID
) *ids
)
936 const X509_NAME
*iname
;
937 ASN1_BIT_STRING
*ikey
;
940 if (issuer
== NULL
) {
941 BIO_printf(bio_err
, "No issuer certificate specified\n");
945 *req
= OCSP_REQUEST_new();
948 iname
= X509_get_subject_name(issuer
);
949 ikey
= X509_get0_pubkey_bitstr(issuer
);
950 sno
= s2i_ASN1_INTEGER(NULL
, serial
);
952 BIO_printf(bio_err
, "Error converting serial number %s\n", serial
);
955 id
= OCSP_cert_id_new(cert_id_md
, iname
, ikey
, sno
);
956 ASN1_INTEGER_free(sno
);
957 if (id
== NULL
|| !sk_OCSP_CERTID_push(ids
, id
))
959 if (!OCSP_request_add0_id(*req
, id
))
964 BIO_printf(bio_err
, "Error Creating OCSP request\n");
968 static int print_ocsp_summary(BIO
*out
, OCSP_BASICRESP
*bs
, OCSP_REQUEST
*req
,
969 STACK_OF(OPENSSL_STRING
) *names
,
970 STACK_OF(OCSP_CERTID
) *ids
, long nsec
,
975 int i
, status
, reason
;
976 ASN1_GENERALIZEDTIME
*rev
, *thisupd
, *nextupd
;
979 if (req
== NULL
|| !sk_OPENSSL_STRING_num(names
))
982 if (bs
== NULL
|| !sk_OCSP_CERTID_num(ids
))
985 for (i
= 0; i
< sk_OCSP_CERTID_num(ids
); i
++) {
986 id
= sk_OCSP_CERTID_value(ids
, i
);
987 name
= sk_OPENSSL_STRING_value(names
, i
);
988 BIO_printf(out
, "%s: ", name
);
990 if (!OCSP_resp_find_status(bs
, id
, &status
, &reason
,
991 &rev
, &thisupd
, &nextupd
)) {
992 BIO_puts(out
, "ERROR: No Status found.\n");
998 * Check validity: if invalid write to output BIO so we know which
999 * response this refers to.
1001 if (!OCSP_check_validity(thisupd
, nextupd
, nsec
, maxage
)) {
1002 BIO_puts(out
, "WARNING: Status times invalid.\n");
1003 ERR_print_errors(out
);
1005 BIO_printf(out
, "%s\n", OCSP_cert_status_str(status
));
1007 BIO_puts(out
, "\tThis Update: ");
1008 ASN1_GENERALIZEDTIME_print(out
, thisupd
);
1009 BIO_puts(out
, "\n");
1012 BIO_puts(out
, "\tNext Update: ");
1013 ASN1_GENERALIZEDTIME_print(out
, nextupd
);
1014 BIO_puts(out
, "\n");
1017 if (status
!= V_OCSP_CERTSTATUS_REVOKED
)
1021 BIO_printf(out
, "\tReason: %s\n", OCSP_crl_reason_str(reason
));
1023 BIO_puts(out
, "\tRevocation Time: ");
1024 ASN1_GENERALIZEDTIME_print(out
, rev
);
1025 BIO_puts(out
, "\n");
1030 static void make_ocsp_response(BIO
*err
, OCSP_RESPONSE
**resp
, OCSP_REQUEST
*req
,
1031 CA_DB
*db
, STACK_OF(X509
) *ca
, X509
*rcert
,
1032 EVP_PKEY
*rkey
, const EVP_MD
*rmd
,
1033 STACK_OF(OPENSSL_STRING
) *sigopts
,
1034 STACK_OF(X509
) *rother
, unsigned long flags
,
1035 int nmin
, int ndays
, int badsig
,
1036 const EVP_MD
*resp_md
)
1038 ASN1_TIME
*thisupd
= NULL
, *nextupd
= NULL
;
1040 OCSP_BASICRESP
*bs
= NULL
;
1042 EVP_MD_CTX
*mctx
= NULL
;
1043 EVP_PKEY_CTX
*pkctx
= NULL
;
1045 id_count
= OCSP_request_onereq_count(req
);
1047 if (id_count
<= 0) {
1049 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST
, NULL
);
1053 bs
= OCSP_BASICRESP_new();
1054 thisupd
= X509_gmtime_adj(NULL
, 0);
1056 nextupd
= X509_time_adj_ex(NULL
, ndays
, nmin
* 60, NULL
);
1058 /* Examine each certificate id in the request */
1059 for (i
= 0; i
< id_count
; i
++) {
1061 ASN1_INTEGER
*serial
;
1065 ASN1_OBJECT
*cert_id_md_oid
;
1066 const EVP_MD
*cert_id_md
;
1067 OCSP_CERTID
*cid_resp_md
= NULL
;
1069 one
= OCSP_request_onereq_get0(req
, i
);
1070 cid
= OCSP_onereq_get0_id(one
);
1072 OCSP_id_get0_info(NULL
, &cert_id_md_oid
, NULL
, NULL
, cid
);
1074 cert_id_md
= EVP_get_digestbyobj(cert_id_md_oid
);
1075 if (cert_id_md
== NULL
) {
1076 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR
,
1080 for (jj
= 0; jj
< sk_X509_num(ca
) && !found
; jj
++) {
1081 X509
*ca_cert
= sk_X509_value(ca
, jj
);
1082 OCSP_CERTID
*ca_id
= OCSP_cert_to_id(cert_id_md
, NULL
, ca_cert
);
1084 if (OCSP_id_issuer_cmp(ca_id
, cid
) == 0) {
1086 if (resp_md
!= NULL
)
1087 cid_resp_md
= OCSP_cert_to_id(resp_md
, NULL
, ca_cert
);
1089 OCSP_CERTID_free(ca_id
);
1091 OCSP_id_get0_info(NULL
, NULL
, NULL
, &serial
, cid
);
1092 inf
= lookup_serial(db
, serial
);
1094 /* at this point, we can have cid be an alias of cid_resp_md */
1095 cid
= (cid_resp_md
!= NULL
) ? cid_resp_md
: cid
;
1098 OCSP_basic_add1_status(bs
, cid
,
1099 V_OCSP_CERTSTATUS_UNKNOWN
,
1100 0, NULL
, thisupd
, nextupd
);
1104 OCSP_basic_add1_status(bs
, cid
,
1105 V_OCSP_CERTSTATUS_UNKNOWN
,
1106 0, NULL
, thisupd
, nextupd
);
1107 } else if (inf
[DB_type
][0] == DB_TYPE_VAL
) {
1108 OCSP_basic_add1_status(bs
, cid
,
1109 V_OCSP_CERTSTATUS_GOOD
,
1110 0, NULL
, thisupd
, nextupd
);
1111 } else if (inf
[DB_type
][0] == DB_TYPE_REV
) {
1112 ASN1_OBJECT
*inst
= NULL
;
1113 ASN1_TIME
*revtm
= NULL
;
1114 ASN1_GENERALIZEDTIME
*invtm
= NULL
;
1115 OCSP_SINGLERESP
*single
;
1118 unpack_revinfo(&revtm
, &reason
, &inst
, &invtm
, inf
[DB_rev_date
]);
1119 single
= OCSP_basic_add1_status(bs
, cid
,
1120 V_OCSP_CERTSTATUS_REVOKED
,
1121 reason
, revtm
, thisupd
, nextupd
);
1123 OCSP_SINGLERESP_add1_ext_i2d(single
, NID_invalidity_date
,
1125 else if (inst
!= NULL
)
1126 OCSP_SINGLERESP_add1_ext_i2d(single
,
1127 NID_hold_instruction_code
, inst
,
1129 ASN1_OBJECT_free(inst
);
1130 ASN1_TIME_free(revtm
);
1131 ASN1_GENERALIZEDTIME_free(invtm
);
1133 OCSP_CERTID_free(cid_resp_md
);
1136 OCSP_copy_nonce(bs
, req
);
1138 mctx
= EVP_MD_CTX_new();
1139 if (mctx
== NULL
|| !EVP_DigestSignInit(mctx
, &pkctx
, rmd
, NULL
, rkey
)) {
1140 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR
, NULL
);
1143 for (i
= 0; i
< sk_OPENSSL_STRING_num(sigopts
); i
++) {
1144 char *sigopt
= sk_OPENSSL_STRING_value(sigopts
, i
);
1146 if (pkey_ctrl_string(pkctx
, sigopt
) <= 0) {
1147 BIO_printf(err
, "parameter error \"%s\"\n", sigopt
);
1148 ERR_print_errors(bio_err
);
1149 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR
,
1154 if (!OCSP_basic_sign_ctx(bs
, rcert
, mctx
, rother
, flags
)) {
1155 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR
, bs
);
1160 const ASN1_OCTET_STRING
*sig
= OCSP_resp_get0_signature(bs
);
1161 corrupt_signature(sig
);
1164 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL
, bs
);
1167 EVP_MD_CTX_free(mctx
);
1168 ASN1_TIME_free(thisupd
);
1169 ASN1_TIME_free(nextupd
);
1170 OCSP_BASICRESP_free(bs
);
1173 static char **lookup_serial(CA_DB
*db
, ASN1_INTEGER
*ser
)
1177 char *itmp
, *row
[DB_NUMBER
], **rrow
;
1178 for (i
= 0; i
< DB_NUMBER
; i
++)
1180 bn
= ASN1_INTEGER_to_BN(ser
, NULL
);
1181 OPENSSL_assert(bn
); /* FIXME: should report an error at this
1182 * point and abort */
1184 itmp
= OPENSSL_strdup("00");
1186 itmp
= BN_bn2hex(bn
);
1187 row
[DB_serial
] = itmp
;
1189 rrow
= TXT_DB_get_by_index(db
->db
, DB_serial
, row
);
1194 static int do_responder(OCSP_REQUEST
**preq
, BIO
**pcbio
, BIO
*acbio
,
1197 #ifndef OPENSSL_NO_SOCK
1198 return http_server_get_asn1_req(ASN1_ITEM_rptr(OCSP_REQUEST
),
1199 (ASN1_VALUE
**)preq
, NULL
, pcbio
, acbio
,
1200 NULL
/* found_keep_alive */,
1201 prog
, 1 /* accept_get */, timeout
);
1204 "Error getting OCSP request - sockets not supported\n");
1210 static int send_ocsp_response(BIO
*cbio
, const OCSP_RESPONSE
*resp
)
1212 #ifndef OPENSSL_NO_SOCK
1213 return http_server_send_asn1_resp(cbio
,
1214 0 /* no keep-alive */,
1215 "application/ocsp-response",
1216 ASN1_ITEM_rptr(OCSP_RESPONSE
),
1217 (const ASN1_VALUE
*)resp
);
1220 "Error sending OCSP response - sockets not supported\n");
1225 #ifndef OPENSSL_NO_SOCK
1226 OCSP_RESPONSE
*process_responder(OCSP_REQUEST
*req
, const char *host
,
1227 const char *port
, const char *path
,
1228 const char *proxy
, const char *no_proxy
,
1229 int use_ssl
, STACK_OF(CONF_VALUE
) *headers
,
1232 SSL_CTX
*ctx
= NULL
;
1233 OCSP_RESPONSE
*resp
= NULL
;
1236 ctx
= SSL_CTX_new(TLS_client_method());
1238 BIO_printf(bio_err
, "Error creating SSL context.\n");
1243 resp
= (OCSP_RESPONSE
*)
1244 app_http_post_asn1(host
, port
, path
, proxy
, no_proxy
,
1245 ctx
, headers
, "application/ocsp-request",
1246 (ASN1_VALUE
*)req
, ASN1_ITEM_rptr(OCSP_REQUEST
),
1247 "application/ocsp-response",
1248 req_timeout
, ASN1_ITEM_rptr(OCSP_RESPONSE
));
1251 BIO_printf(bio_err
, "Error querying OCSP responder\n");