2 * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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_NO_OCSP
13 NON_EMPTY_TRANSLATION_UNIT
15 # ifdef OPENSSL_SYS_VMS
16 # define _XOPEN_SOURCE_EXTENDED/* So fd_set and friends get properly defined
28 /* Needs to be included before the openssl headers */
30 # include <openssl/e_os2.h>
31 # include <openssl/crypto.h>
32 # include <openssl/err.h>
33 # include <openssl/ssl.h>
34 # include <openssl/evp.h>
35 # include <openssl/bn.h>
36 # include <openssl/x509v3.h>
38 # if defined(NETWARE_CLIB)
39 # ifdef NETWARE_BSDSOCK
40 # include <sys/socket.h>
41 # include <sys/bsdskt.h>
43 # include <novsock2.h>
45 # elif defined(NETWARE_LIBC)
46 # ifdef NETWARE_BSDSOCK
47 # include <sys/select.h>
49 # include <novsock2.h>
53 /* Maximum leeway in validity period: default 5 minutes */
54 # define MAX_VALIDITY_PERIOD (5 * 60)
56 static int add_ocsp_cert(OCSP_REQUEST
**req
, X509
*cert
,
57 const EVP_MD
*cert_id_md
, X509
*issuer
,
58 STACK_OF(OCSP_CERTID
) *ids
);
59 static int add_ocsp_serial(OCSP_REQUEST
**req
, char *serial
,
60 const EVP_MD
*cert_id_md
, X509
*issuer
,
61 STACK_OF(OCSP_CERTID
) *ids
);
62 static void print_ocsp_summary(BIO
*out
, OCSP_BASICRESP
*bs
, OCSP_REQUEST
*req
,
63 STACK_OF(OPENSSL_STRING
) *names
,
64 STACK_OF(OCSP_CERTID
) *ids
, long nsec
,
66 static void make_ocsp_response(OCSP_RESPONSE
**resp
, OCSP_REQUEST
*req
,
67 CA_DB
*db
, X509
*ca
, X509
*rcert
,
68 EVP_PKEY
*rkey
, const EVP_MD
*md
,
69 STACK_OF(X509
) *rother
, unsigned long flags
,
70 int nmin
, int ndays
, int badsig
);
72 static char **lookup_serial(CA_DB
*db
, ASN1_INTEGER
*ser
);
73 static BIO
*init_responder(const char *port
);
74 static int do_responder(OCSP_REQUEST
**preq
, BIO
**pcbio
, BIO
*acbio
);
75 static int send_ocsp_response(BIO
*cbio
, OCSP_RESPONSE
*resp
);
77 # ifndef OPENSSL_NO_SOCK
78 static OCSP_RESPONSE
*query_responder(BIO
*cbio
, const char *host
,
80 const STACK_OF(CONF_VALUE
) *headers
,
81 OCSP_REQUEST
*req
, int req_timeout
);
84 typedef enum OPTION_choice
{
85 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
86 OPT_OUTFILE
, OPT_TIMEOUT
, OPT_URL
, OPT_HOST
, OPT_PORT
,
87 OPT_IGNORE_ERR
, OPT_NOVERIFY
, OPT_NONCE
, OPT_NO_NONCE
,
88 OPT_RESP_NO_CERTS
, OPT_RESP_KEY_ID
, OPT_NO_CERTS
,
89 OPT_NO_SIGNATURE_VERIFY
, OPT_NO_CERT_VERIFY
, OPT_NO_CHAIN
,
90 OPT_NO_CERT_CHECKS
, OPT_NO_EXPLICIT
, OPT_TRUST_OTHER
,
91 OPT_NO_INTERN
, OPT_BADSIG
, OPT_TEXT
, OPT_REQ_TEXT
, OPT_RESP_TEXT
,
92 OPT_REQIN
, OPT_RESPIN
, OPT_SIGNER
, OPT_VAFILE
, OPT_SIGN_OTHER
,
93 OPT_VERIFY_OTHER
, OPT_CAFILE
, OPT_CAPATH
, OPT_NOCAFILE
, OPT_NOCAPATH
,
94 OPT_VALIDITY_PERIOD
, OPT_STATUS_AGE
, OPT_SIGNKEY
, OPT_REQOUT
,
95 OPT_RESPOUT
, OPT_PATH
, OPT_ISSUER
, OPT_CERT
, OPT_SERIAL
,
96 OPT_INDEX
, OPT_CA
, OPT_NMIN
, OPT_REQUEST
, OPT_NDAYS
, OPT_RSIGNER
,
97 OPT_RKEY
, OPT_ROTHER
, OPT_RMD
, OPT_HEADER
,
102 OPTIONS ocsp_options
[] = {
103 {"help", OPT_HELP
, '-', "Display this summary"},
104 {"out", OPT_OUTFILE
, '>', "Output filename"},
105 {"timeout", OPT_TIMEOUT
, 'p',
106 "Connection timeout (in seconds) to the OCSP responder"},
107 {"url", OPT_URL
, 's', "Responder URL"},
108 {"host", OPT_HOST
, 's', "TCP/IP hostname:port to connect to"},
109 {"port", OPT_PORT
, 'p', "Port to run responder on"},
110 {"ignore_err", OPT_IGNORE_ERR
, '-'},
111 {"noverify", OPT_NOVERIFY
, '-', "Don't verify response at all"},
112 {"nonce", OPT_NONCE
, '-', "Add OCSP nonce to request"},
113 {"no_nonce", OPT_NO_NONCE
, '-', "Don't add OCSP nonce to request"},
114 {"resp_no_certs", OPT_RESP_NO_CERTS
, '-',
115 "Don't include any certificates in response"},
116 {"resp_key_id", OPT_RESP_KEY_ID
, '-',
117 "Identify response by signing certificate key ID"},
118 {"no_certs", OPT_NO_CERTS
, '-',
119 "Don't include any certificates in signed request"},
120 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY
, '-',
121 "Don't check signature on response"},
122 {"no_cert_verify", OPT_NO_CERT_VERIFY
, '-',
123 "Don't check signing certificate"},
124 {"no_chain", OPT_NO_CHAIN
, '-', "Don't chain verify response"},
125 {"no_cert_checks", OPT_NO_CERT_CHECKS
, '-',
126 "Don't do additional checks on signing certificate"},
127 {"no_explicit", OPT_NO_EXPLICIT
, '-'},
128 {"trust_other", OPT_TRUST_OTHER
, '-',
129 "Don't verify additional certificates"},
130 {"no_intern", OPT_NO_INTERN
, '-',
131 "Don't search certificates contained in response for signer"},
132 {"badsig", OPT_BADSIG
, '-',
133 "Corrupt last byte of loaded OSCP response signature (for test)"},
134 {"text", OPT_TEXT
, '-', "Print text form of request and response"},
135 {"req_text", OPT_REQ_TEXT
, '-', "Print text form of request"},
136 {"resp_text", OPT_RESP_TEXT
, '-', "Print text form of response"},
137 {"reqin", OPT_REQIN
, 's', "File with the DER-encoded request"},
138 {"respin", OPT_RESPIN
, 's', "File with the DER-encoded response"},
139 {"signer", OPT_SIGNER
, '<', "Certificate to sign OCSP request with"},
140 {"VAfile", OPT_VAFILE
, '<', "Validator certificates file"},
141 {"sign_other", OPT_SIGN_OTHER
, '<',
142 "Additional certificates to include in signed request"},
143 {"verify_other", OPT_VERIFY_OTHER
, '<',
144 "Additional certificates to search for signer"},
145 {"CAfile", OPT_CAFILE
, '<', "Trusted certificates file"},
146 {"CApath", OPT_CAPATH
, '<', "Trusted certificates directory"},
147 {"no-CAfile", OPT_NOCAFILE
, '-',
148 "Do not load the default certificates file"},
149 {"no-CApath", OPT_NOCAPATH
, '-',
150 "Do not load certificates from the default certificates directory"},
151 {"validity_period", OPT_VALIDITY_PERIOD
, 'u',
152 "Maximum validity discrepancy in seconds"},
153 {"status_age", OPT_STATUS_AGE
, 'p', "Maximum status age in seconds"},
154 {"signkey", OPT_SIGNKEY
, 's', "Private key to sign OCSP request with"},
155 {"reqout", OPT_REQOUT
, 's', "Output file for the DER-encoded request"},
156 {"respout", OPT_RESPOUT
, 's', "Output file for the DER-encoded response"},
157 {"path", OPT_PATH
, 's', "Path to use in OCSP request"},
158 {"issuer", OPT_ISSUER
, '<', "Issuer certificate"},
159 {"cert", OPT_CERT
, '<', "Certificate to check"},
160 {"serial", OPT_SERIAL
, 's', "Serial number to check"},
161 {"index", OPT_INDEX
, '<', "Certificate status index file"},
162 {"CA", OPT_CA
, '<', "CA certificate"},
163 {"nmin", OPT_NMIN
, 'p', "Number of minutes before next update"},
164 {"nrequest", OPT_REQUEST
, 'p',
165 "Number of requests to accept (default unlimited)"},
166 {"ndays", OPT_NDAYS
, 'p', "Number of days before next update"},
167 {"rsigner", OPT_RSIGNER
, '<',
168 "Responder certificate to sign responses with"},
169 {"rkey", OPT_RKEY
, '<', "Responder key to sign responses with"},
170 {"rother", OPT_ROTHER
, '<', "Other certificates to include in response"},
171 {"rmd", OPT_RMD
, 's', "Digest Algorithm to use in signature of OCSP response"},
172 {"header", OPT_HEADER
, 's', "key=value header to add"},
173 {"", OPT_MD
, '-', "Any supported digest algorithm (sha1,sha256, ... )"},
178 int ocsp_main(int argc
, char **argv
)
180 BIO
*acbio
= NULL
, *cbio
= NULL
, *derbio
= NULL
, *out
= NULL
;
181 const EVP_MD
*cert_id_md
= NULL
, *rsign_md
= NULL
;
184 EVP_PKEY
*key
= NULL
, *rkey
= NULL
;
185 OCSP_BASICRESP
*bs
= NULL
;
186 OCSP_REQUEST
*req
= NULL
;
187 OCSP_RESPONSE
*resp
= NULL
;
188 STACK_OF(CONF_VALUE
) *headers
= NULL
;
189 STACK_OF(OCSP_CERTID
) *ids
= NULL
;
190 STACK_OF(OPENSSL_STRING
) *reqnames
= NULL
;
191 STACK_OF(X509
) *sign_other
= NULL
, *verify_other
= NULL
, *rother
= NULL
;
192 STACK_OF(X509
) *issuers
= NULL
;
193 X509
*issuer
= NULL
, *cert
= NULL
, *rca_cert
= NULL
;
194 X509
*signer
= NULL
, *rsigner
= NULL
;
195 X509_STORE
*store
= NULL
;
196 X509_VERIFY_PARAM
*vpm
= NULL
;
197 const char *CAfile
= NULL
, *CApath
= NULL
;
198 char *header
, *value
;
199 char *host
= NULL
, *port
= NULL
, *path
= "/", *outfile
= NULL
;
200 char *rca_filename
= NULL
, *reqin
= NULL
, *respin
= NULL
;
201 char *reqout
= NULL
, *respout
= NULL
, *ridx_filename
= NULL
;
202 char *rsignfile
= NULL
, *rkeyfile
= NULL
;
203 char *sign_certfile
= NULL
, *verify_certfile
= NULL
, *rcertfile
= NULL
;
204 char *signfile
= NULL
, *keyfile
= NULL
;
205 char *thost
= NULL
, *tport
= NULL
, *tpath
= NULL
;
206 int noCAfile
= 0, noCApath
= 0;
207 int accept_count
= -1, add_nonce
= 1, noverify
= 0, use_ssl
= -1;
208 int vpmtouched
= 0, badsig
= 0, i
, ignore_err
= 0, nmin
= 0, ndays
= -1;
209 int req_text
= 0, resp_text
= 0, ret
= 1;
210 #ifndef OPENSSL_NO_SOCK
211 int req_timeout
= -1;
213 long nsec
= MAX_VALIDITY_PERIOD
, maxage
= -1;
214 unsigned long sign_flags
= 0, verify_flags
= 0, rflags
= 0;
218 reqnames
= sk_OPENSSL_STRING_new_null();
221 ids
= sk_OCSP_CERTID_new_null();
224 if ((vpm
= X509_VERIFY_PARAM_new()) == NULL
)
227 prog
= opt_init(argc
, argv
, ocsp_options
);
228 while ((o
= opt_next()) != OPT_EOF
) {
233 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
237 opt_help(ocsp_options
);
243 #ifndef OPENSSL_NO_SOCK
244 req_timeout
= atoi(opt_arg());
251 thost
= tport
= tpath
= NULL
;
252 if (!OCSP_parse_url(opt_arg(), &host
, &port
, &path
, &use_ssl
)) {
253 BIO_printf(bio_err
, "%s Error parsing URL\n", prog
);
278 case OPT_RESP_NO_CERTS
:
279 rflags
|= OCSP_NOCERTS
;
281 case OPT_RESP_KEY_ID
:
282 rflags
|= OCSP_RESPID_KEY
;
285 sign_flags
|= OCSP_NOCERTS
;
287 case OPT_NO_SIGNATURE_VERIFY
:
288 verify_flags
|= OCSP_NOSIGS
;
290 case OPT_NO_CERT_VERIFY
:
291 verify_flags
|= OCSP_NOVERIFY
;
294 verify_flags
|= OCSP_NOCHAIN
;
296 case OPT_NO_CERT_CHECKS
:
297 verify_flags
|= OCSP_NOCHECKS
;
299 case OPT_NO_EXPLICIT
:
300 verify_flags
|= OCSP_NOEXPLICIT
;
302 case OPT_TRUST_OTHER
:
303 verify_flags
|= OCSP_TRUSTOTHER
;
306 verify_flags
|= OCSP_NOINTERN
;
312 req_text
= resp_text
= 1;
327 signfile
= opt_arg();
330 verify_certfile
= opt_arg();
331 verify_flags
|= OCSP_TRUSTOTHER
;
334 sign_certfile
= opt_arg();
336 case OPT_VERIFY_OTHER
:
337 verify_certfile
= opt_arg();
352 if (!opt_verify(o
, vpm
))
356 case OPT_VALIDITY_PERIOD
:
357 opt_long(opt_arg(), &nsec
);
360 opt_long(opt_arg(), &maxage
);
375 issuer
= load_cert(opt_arg(), FORMAT_PEM
, "issuer certificate");
378 if (issuers
== NULL
) {
379 if ((issuers
= sk_X509_new_null()) == NULL
)
382 sk_X509_push(issuers
, issuer
);
386 cert
= load_cert(opt_arg(), FORMAT_PEM
, "certificate");
389 if (cert_id_md
== NULL
)
390 cert_id_md
= EVP_sha1();
391 if (!add_ocsp_cert(&req
, cert
, cert_id_md
, issuer
, ids
))
393 if (!sk_OPENSSL_STRING_push(reqnames
, opt_arg()))
398 if (cert_id_md
== NULL
)
399 cert_id_md
= EVP_sha1();
400 if (!add_ocsp_serial(&req
, opt_arg(), cert_id_md
, issuer
, ids
))
402 if (!sk_OPENSSL_STRING_push(reqnames
, opt_arg()))
407 ridx_filename
= opt_arg();
410 rca_filename
= opt_arg();
413 opt_int(opt_arg(), &nmin
);
418 opt_int(opt_arg(), &accept_count
);
421 ndays
= atoi(opt_arg());
424 rsignfile
= opt_arg();
427 rkeyfile
= opt_arg();
430 rcertfile
= opt_arg();
432 case OPT_RMD
: /* Response MessageDigest */
433 if (!opt_md(opt_arg(), &rsign_md
))
438 value
= strchr(header
, '=');
440 BIO_printf(bio_err
, "Missing = in header key=value\n");
444 if (!X509V3_add_value(header
, value
, &headers
))
450 "%s: Digest must be before -cert or -serial\n",
454 if (!opt_md(opt_unknown(), &cert_id_md
))
462 BIO_printf(bio_err
, "%s: Digest must be before -cert or -serial\n",
466 argc
= opt_num_rest();
470 /* Have we anything to do? */
471 if (!req
&& !reqin
&& !respin
&& !(port
&& ridx_filename
))
474 out
= bio_open_default(outfile
, 'w', FORMAT_TEXT
);
478 if (!req
&& (add_nonce
!= 2))
482 derbio
= bio_open_default(reqin
, 'r', FORMAT_ASN1
);
485 req
= d2i_OCSP_REQUEST_bio(derbio
, NULL
);
488 BIO_printf(bio_err
, "Error reading OCSP request\n");
494 acbio
= init_responder(port
);
501 rkeyfile
= rsignfile
;
502 rsigner
= load_cert(rsignfile
, FORMAT_PEM
, "responder certificate");
504 BIO_printf(bio_err
, "Error loading responder certificate\n");
507 rca_cert
= load_cert(rca_filename
, FORMAT_PEM
, "CA certificate");
509 if (!load_certs(rcertfile
, &rother
, FORMAT_PEM
, NULL
,
510 "responder other certificates"))
513 rkey
= load_key(rkeyfile
, FORMAT_PEM
, 0, NULL
, NULL
,
514 "responder private key");
519 BIO_printf(bio_err
, "Waiting for OCSP client connections...\n");
524 if (!do_responder(&req
, &cbio
, acbio
))
528 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST
,
530 send_ocsp_response(cbio
, resp
);
535 if (!req
&& (signfile
|| reqout
|| host
|| add_nonce
|| ridx_filename
)) {
536 BIO_printf(bio_err
, "Need an OCSP request for this operation!\n");
540 if (req
&& add_nonce
)
541 OCSP_request_add1_nonce(req
, NULL
, -1);
546 signer
= load_cert(signfile
, FORMAT_PEM
, "signer certificate");
548 BIO_printf(bio_err
, "Error loading signer certificate\n");
552 if (!load_certs(sign_certfile
, &sign_other
, FORMAT_PEM
, NULL
,
553 "signer certificates"))
556 key
= load_key(keyfile
, FORMAT_PEM
, 0, NULL
, NULL
,
557 "signer private key");
561 if (!OCSP_request_sign
562 (req
, signer
, key
, NULL
, sign_other
, sign_flags
)) {
563 BIO_printf(bio_err
, "Error signing OCSP request\n");
569 OCSP_REQUEST_print(out
, req
, 0);
572 derbio
= bio_open_default(reqout
, 'w', FORMAT_ASN1
);
575 i2d_OCSP_REQUEST_bio(derbio
, req
);
579 if (ridx_filename
&& (!rkey
|| !rsigner
|| !rca_cert
)) {
581 "Need a responder certificate, key and CA for this operation!\n");
585 if (ridx_filename
&& !rdb
) {
586 rdb
= load_index(ridx_filename
, NULL
);
589 if (!index_index(rdb
))
594 make_ocsp_response(&resp
, req
, rdb
, rca_cert
, rsigner
, rkey
,
595 rsign_md
, rother
, rflags
, nmin
, ndays
, badsig
);
597 send_ocsp_response(cbio
, resp
);
599 # ifndef OPENSSL_NO_SOCK
600 resp
= process_responder(req
, host
, path
,
601 port
, use_ssl
, headers
, req_timeout
);
606 "Error creating connect BIO - sockets not supported.\n");
610 derbio
= bio_open_default(respin
, 'r', FORMAT_ASN1
);
613 resp
= d2i_OCSP_RESPONSE_bio(derbio
, NULL
);
616 BIO_printf(bio_err
, "Error reading OCSP response\n");
627 derbio
= bio_open_default(respout
, 'w', FORMAT_ASN1
);
630 i2d_OCSP_RESPONSE_bio(derbio
, resp
);
634 i
= OCSP_response_status(resp
);
635 if (i
!= OCSP_RESPONSE_STATUS_SUCCESSFUL
) {
636 BIO_printf(out
, "Responder Error: %s (%d)\n",
637 OCSP_response_status_str(i
), i
);
645 OCSP_RESPONSE_print(out
, resp
, 0);
647 /* If running as responder don't verify our own response */
649 /* If not unlimited, see if we took all we should. */
650 if (accept_count
!= -1 && --accept_count
<= 0) {
656 OCSP_REQUEST_free(req
);
658 OCSP_RESPONSE_free(resp
);
668 store
= setup_verify(CAfile
, CApath
, noCAfile
, noCApath
);
673 X509_STORE_set1_param(store
, vpm
);
674 if (verify_certfile
) {
675 if (!load_certs(verify_certfile
, &verify_other
, FORMAT_PEM
, NULL
,
676 "validator certificate"))
680 bs
= OCSP_response_get1_basic(resp
);
682 BIO_printf(bio_err
, "Error parsing response\n");
689 if (req
&& ((i
= OCSP_check_nonce(req
, bs
)) <= 0)) {
691 BIO_printf(bio_err
, "WARNING: no nonce in response\n");
693 BIO_printf(bio_err
, "Nonce Verify error\n");
699 i
= OCSP_basic_verify(bs
, verify_other
, store
, verify_flags
);
700 if (i
<= 0 && issuers
) {
701 i
= OCSP_basic_verify(bs
, issuers
, store
, OCSP_TRUSTOTHER
);
706 BIO_printf(bio_err
, "Response Verify Failure\n");
707 ERR_print_errors(bio_err
);
710 BIO_printf(bio_err
, "Response verify OK\n");
714 print_ocsp_summary(out
, bs
, req
, reqnames
, ids
, nsec
, maxage
);
717 ERR_print_errors(bio_err
);
719 X509_STORE_free(store
);
720 X509_VERIFY_PARAM_free(vpm
);
724 sk_X509_pop_free(issuers
, X509_free
);
731 OCSP_REQUEST_free(req
);
732 OCSP_RESPONSE_free(resp
);
733 OCSP_BASICRESP_free(bs
);
734 sk_OPENSSL_STRING_free(reqnames
);
735 sk_OCSP_CERTID_free(ids
);
736 sk_X509_pop_free(sign_other
, X509_free
);
737 sk_X509_pop_free(verify_other
, X509_free
);
738 sk_CONF_VALUE_pop_free(headers
, X509V3_conf_free
);
746 static int add_ocsp_cert(OCSP_REQUEST
**req
, X509
*cert
,
747 const EVP_MD
*cert_id_md
, X509
*issuer
,
748 STACK_OF(OCSP_CERTID
) *ids
)
752 BIO_printf(bio_err
, "No issuer certificate specified\n");
756 *req
= OCSP_REQUEST_new();
759 id
= OCSP_cert_to_id(cert_id_md
, cert
, issuer
);
760 if (!id
|| !sk_OCSP_CERTID_push(ids
, id
))
762 if (!OCSP_request_add0_id(*req
, id
))
767 BIO_printf(bio_err
, "Error Creating OCSP request\n");
771 static int add_ocsp_serial(OCSP_REQUEST
**req
, char *serial
,
772 const EVP_MD
*cert_id_md
, X509
*issuer
,
773 STACK_OF(OCSP_CERTID
) *ids
)
777 ASN1_BIT_STRING
*ikey
;
780 BIO_printf(bio_err
, "No issuer certificate specified\n");
784 *req
= OCSP_REQUEST_new();
787 iname
= X509_get_subject_name(issuer
);
788 ikey
= X509_get0_pubkey_bitstr(issuer
);
789 sno
= s2i_ASN1_INTEGER(NULL
, serial
);
791 BIO_printf(bio_err
, "Error converting serial number %s\n", serial
);
794 id
= OCSP_cert_id_new(cert_id_md
, iname
, ikey
, sno
);
795 ASN1_INTEGER_free(sno
);
796 if (id
== NULL
|| !sk_OCSP_CERTID_push(ids
, id
))
798 if (!OCSP_request_add0_id(*req
, id
))
803 BIO_printf(bio_err
, "Error Creating OCSP request\n");
807 static void print_ocsp_summary(BIO
*out
, OCSP_BASICRESP
*bs
, OCSP_REQUEST
*req
,
808 STACK_OF(OPENSSL_STRING
) *names
,
809 STACK_OF(OCSP_CERTID
) *ids
, long nsec
,
814 int i
, status
, reason
;
815 ASN1_GENERALIZEDTIME
*rev
, *thisupd
, *nextupd
;
817 if (!bs
|| !req
|| !sk_OPENSSL_STRING_num(names
)
818 || !sk_OCSP_CERTID_num(ids
))
821 for (i
= 0; i
< sk_OCSP_CERTID_num(ids
); i
++) {
822 id
= sk_OCSP_CERTID_value(ids
, i
);
823 name
= sk_OPENSSL_STRING_value(names
, i
);
824 BIO_printf(out
, "%s: ", name
);
826 if (!OCSP_resp_find_status(bs
, id
, &status
, &reason
,
827 &rev
, &thisupd
, &nextupd
)) {
828 BIO_puts(out
, "ERROR: No Status found.\n");
833 * Check validity: if invalid write to output BIO so we know which
834 * response this refers to.
836 if (!OCSP_check_validity(thisupd
, nextupd
, nsec
, maxage
)) {
837 BIO_puts(out
, "WARNING: Status times invalid.\n");
838 ERR_print_errors(out
);
840 BIO_printf(out
, "%s\n", OCSP_cert_status_str(status
));
842 BIO_puts(out
, "\tThis Update: ");
843 ASN1_GENERALIZEDTIME_print(out
, thisupd
);
847 BIO_puts(out
, "\tNext Update: ");
848 ASN1_GENERALIZEDTIME_print(out
, nextupd
);
852 if (status
!= V_OCSP_CERTSTATUS_REVOKED
)
856 BIO_printf(out
, "\tReason: %s\n", OCSP_crl_reason_str(reason
));
858 BIO_puts(out
, "\tRevocation Time: ");
859 ASN1_GENERALIZEDTIME_print(out
, rev
);
864 static void make_ocsp_response(OCSP_RESPONSE
**resp
, OCSP_REQUEST
*req
,
865 CA_DB
*db
, X509
*ca
, X509
*rcert
,
866 EVP_PKEY
*rkey
, const EVP_MD
*rmd
,
867 STACK_OF(X509
) *rother
, unsigned long flags
,
868 int nmin
, int ndays
, int badsig
)
870 ASN1_TIME
*thisupd
= NULL
, *nextupd
= NULL
;
871 OCSP_CERTID
*cid
, *ca_id
= NULL
;
872 OCSP_BASICRESP
*bs
= NULL
;
875 id_count
= OCSP_request_onereq_count(req
);
879 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST
, NULL
);
883 bs
= OCSP_BASICRESP_new();
884 thisupd
= X509_gmtime_adj(NULL
, 0);
886 nextupd
= X509_time_adj_ex(NULL
, ndays
, nmin
* 60, NULL
);
888 /* Examine each certificate id in the request */
889 for (i
= 0; i
< id_count
; i
++) {
891 ASN1_INTEGER
*serial
;
893 ASN1_OBJECT
*cert_id_md_oid
;
894 const EVP_MD
*cert_id_md
;
895 one
= OCSP_request_onereq_get0(req
, i
);
896 cid
= OCSP_onereq_get0_id(one
);
898 OCSP_id_get0_info(NULL
, &cert_id_md_oid
, NULL
, NULL
, cid
);
900 cert_id_md
= EVP_get_digestbyobj(cert_id_md_oid
);
902 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR
,
906 OCSP_CERTID_free(ca_id
);
907 ca_id
= OCSP_cert_to_id(cert_id_md
, NULL
, ca
);
909 /* Is this request about our CA? */
910 if (OCSP_id_issuer_cmp(ca_id
, cid
)) {
911 OCSP_basic_add1_status(bs
, cid
,
912 V_OCSP_CERTSTATUS_UNKNOWN
,
913 0, NULL
, thisupd
, nextupd
);
916 OCSP_id_get0_info(NULL
, NULL
, NULL
, &serial
, cid
);
917 inf
= lookup_serial(db
, serial
);
919 OCSP_basic_add1_status(bs
, cid
,
920 V_OCSP_CERTSTATUS_UNKNOWN
,
921 0, NULL
, thisupd
, nextupd
);
922 else if (inf
[DB_type
][0] == DB_TYPE_VAL
)
923 OCSP_basic_add1_status(bs
, cid
,
924 V_OCSP_CERTSTATUS_GOOD
,
925 0, NULL
, thisupd
, nextupd
);
926 else if (inf
[DB_type
][0] == DB_TYPE_REV
) {
927 ASN1_OBJECT
*inst
= NULL
;
928 ASN1_TIME
*revtm
= NULL
;
929 ASN1_GENERALIZEDTIME
*invtm
= NULL
;
930 OCSP_SINGLERESP
*single
;
932 unpack_revinfo(&revtm
, &reason
, &inst
, &invtm
, inf
[DB_rev_date
]);
933 single
= OCSP_basic_add1_status(bs
, cid
,
934 V_OCSP_CERTSTATUS_REVOKED
,
935 reason
, revtm
, thisupd
, nextupd
);
937 OCSP_SINGLERESP_add1_ext_i2d(single
, NID_invalidity_date
,
940 OCSP_SINGLERESP_add1_ext_i2d(single
,
941 NID_hold_instruction_code
, inst
,
943 ASN1_OBJECT_free(inst
);
944 ASN1_TIME_free(revtm
);
945 ASN1_GENERALIZEDTIME_free(invtm
);
949 OCSP_copy_nonce(bs
, req
);
951 OCSP_basic_sign(bs
, rcert
, rkey
, rmd
, rother
, flags
);
954 const ASN1_OCTET_STRING
*sig
= OCSP_resp_get0_signature(bs
);
955 corrupt_signature(sig
);
958 *resp
= OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL
, bs
);
961 ASN1_TIME_free(thisupd
);
962 ASN1_TIME_free(nextupd
);
963 OCSP_CERTID_free(ca_id
);
964 OCSP_BASICRESP_free(bs
);
967 static char **lookup_serial(CA_DB
*db
, ASN1_INTEGER
*ser
)
971 char *itmp
, *row
[DB_NUMBER
], **rrow
;
972 for (i
= 0; i
< DB_NUMBER
; i
++)
974 bn
= ASN1_INTEGER_to_BN(ser
, NULL
);
975 OPENSSL_assert(bn
); /* FIXME: should report an error at this
978 itmp
= OPENSSL_strdup("00");
980 itmp
= BN_bn2hex(bn
);
981 row
[DB_serial
] = itmp
;
983 rrow
= TXT_DB_get_by_index(db
->db
, DB_serial
, row
);
988 /* Quick and dirty OCSP server: read in and parse input request */
990 static BIO
*init_responder(const char *port
)
992 # ifdef OPENSSL_NO_SOCK
994 "Error setting up accept BIO - sockets not supported.\n");
997 BIO
*acbio
= NULL
, *bufbio
= NULL
;
999 bufbio
= BIO_new(BIO_f_buffer());
1002 acbio
= BIO_new(BIO_s_accept());
1004 || BIO_set_bind_mode(acbio
, BIO_BIND_REUSEADDR
) < 0
1005 || BIO_set_accept_port(acbio
, port
) < 0) {
1006 BIO_printf(bio_err
, "Error setting up accept BIO\n");
1007 ERR_print_errors(bio_err
);
1011 BIO_set_accept_bios(acbio
, bufbio
);
1013 if (BIO_do_accept(acbio
) <= 0) {
1014 BIO_printf(bio_err
, "Error starting accept\n");
1015 ERR_print_errors(bio_err
);
1022 BIO_free_all(acbio
);
1028 # ifndef OPENSSL_NO_SOCK
1030 * Decode %xx URL-decoding in-place. Ignores mal-formed sequences.
1032 static int urldecode(char *p
)
1034 unsigned char *out
= (unsigned char *)p
;
1035 unsigned char *save
= out
;
1040 else if (isxdigit(_UC(p
[1])) && isxdigit(_UC(p
[2]))) {
1041 /* Don't check, can't fail because of ixdigit() call. */
1042 *out
++ = (OPENSSL_hexchar2int(p
[1]) << 4)
1043 | OPENSSL_hexchar2int(p
[2]);
1050 return (int)(out
- save
);
1054 static int do_responder(OCSP_REQUEST
**preq
, BIO
**pcbio
, BIO
*acbio
)
1056 # ifdef OPENSSL_NO_SOCK
1060 OCSP_REQUEST
*req
= NULL
;
1061 char inbuf
[2048], reqbuf
[2048];
1063 BIO
*cbio
= NULL
, *getbio
= NULL
, *b64
= NULL
;
1065 if (BIO_do_accept(acbio
) <= 0) {
1066 BIO_printf(bio_err
, "Error accepting connection\n");
1067 ERR_print_errors(bio_err
);
1071 cbio
= BIO_pop(acbio
);
1074 /* Read the request line. */
1075 len
= BIO_gets(cbio
, reqbuf
, sizeof reqbuf
);
1078 if (strncmp(reqbuf
, "GET ", 4) == 0) {
1079 /* Expecting GET {sp} /URL {sp} HTTP/1.x */
1080 for (p
= reqbuf
+ 4; *p
== ' '; ++p
)
1083 BIO_printf(bio_err
, "Invalid request -- bad URL\n");
1088 /* Splice off the HTTP version identifier. */
1089 for (q
= p
; *q
; q
++)
1092 if (strncmp(q
, " HTTP/1.", 8) != 0) {
1093 BIO_printf(bio_err
, "Invalid request -- bad HTTP vesion\n");
1099 BIO_printf(bio_err
, "Invalid request -- bad URL encoding\n");
1102 if ((getbio
= BIO_new_mem_buf(p
, len
)) == NULL
1103 || (b64
= BIO_new(BIO_f_base64())) == NULL
) {
1104 BIO_printf(bio_err
, "Could not allocate memory\n");
1105 ERR_print_errors(bio_err
);
1108 BIO_set_flags(b64
, BIO_FLAGS_BASE64_NO_NL
);
1109 getbio
= BIO_push(b64
, getbio
);
1110 } else if (strncmp(reqbuf
, "POST ", 5) != 0) {
1111 BIO_printf(bio_err
, "Invalid request -- bad HTTP verb\n");
1115 /* Read and skip past the headers. */
1117 len
= BIO_gets(cbio
, inbuf
, sizeof inbuf
);
1120 if ((inbuf
[0] == '\r') || (inbuf
[0] == '\n'))
1124 /* Try to read OCSP request */
1126 req
= d2i_OCSP_REQUEST_bio(getbio
, NULL
);
1127 BIO_free_all(getbio
);
1129 req
= d2i_OCSP_REQUEST_bio(cbio
, NULL
);
1132 BIO_printf(bio_err
, "Error parsing OCSP request\n");
1133 ERR_print_errors(bio_err
);
1142 static int send_ocsp_response(BIO
*cbio
, OCSP_RESPONSE
*resp
)
1145 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1146 "Content-Length: %d\r\n\r\n";
1149 BIO_printf(cbio
, http_resp
, i2d_OCSP_RESPONSE(resp
, NULL
));
1150 i2d_OCSP_RESPONSE_bio(cbio
, resp
);
1151 (void)BIO_flush(cbio
);
1155 # ifndef OPENSSL_NO_SOCK
1156 static OCSP_RESPONSE
*query_responder(BIO
*cbio
, const char *host
,
1158 const STACK_OF(CONF_VALUE
) *headers
,
1159 OCSP_REQUEST
*req
, int req_timeout
)
1165 OCSP_REQ_CTX
*ctx
= NULL
;
1166 OCSP_RESPONSE
*rsp
= NULL
;
1170 if (req_timeout
!= -1)
1171 BIO_set_nbio(cbio
, 1);
1173 rv
= BIO_do_connect(cbio
);
1175 if ((rv
<= 0) && ((req_timeout
== -1) || !BIO_should_retry(cbio
))) {
1176 BIO_puts(bio_err
, "Error connecting BIO\n");
1180 if (BIO_get_fd(cbio
, &fd
) < 0) {
1181 BIO_puts(bio_err
, "Can't get connection fd\n");
1185 if (req_timeout
!= -1 && rv
<= 0) {
1187 openssl_fdset(fd
, &confds
);
1189 tv
.tv_sec
= req_timeout
;
1190 rv
= select(fd
+ 1, NULL
, (void *)&confds
, NULL
, &tv
);
1192 BIO_puts(bio_err
, "Timeout on connect\n");
1197 ctx
= OCSP_sendreq_new(cbio
, path
, NULL
, -1);
1201 for (i
= 0; i
< sk_CONF_VALUE_num(headers
); i
++) {
1202 CONF_VALUE
*hdr
= sk_CONF_VALUE_value(headers
, i
);
1203 if (add_host
== 1 && strcasecmp("host", hdr
->name
) == 0)
1205 if (!OCSP_REQ_CTX_add1_header(ctx
, hdr
->name
, hdr
->value
))
1209 if (add_host
== 1 && OCSP_REQ_CTX_add1_header(ctx
, "Host", host
) == 0)
1212 if (!OCSP_REQ_CTX_set1_req(ctx
, req
))
1216 rv
= OCSP_sendreq_nbio(&rsp
, ctx
);
1219 if (req_timeout
== -1)
1222 openssl_fdset(fd
, &confds
);
1224 tv
.tv_sec
= req_timeout
;
1225 if (BIO_should_read(cbio
))
1226 rv
= select(fd
+ 1, (void *)&confds
, NULL
, NULL
, &tv
);
1227 else if (BIO_should_write(cbio
))
1228 rv
= select(fd
+ 1, NULL
, (void *)&confds
, NULL
, &tv
);
1230 BIO_puts(bio_err
, "Unexpected retry condition\n");
1234 BIO_puts(bio_err
, "Timeout on request\n");
1238 BIO_puts(bio_err
, "Select error\n");
1244 OCSP_REQ_CTX_free(ctx
);
1249 OCSP_RESPONSE
*process_responder(OCSP_REQUEST
*req
,
1250 const char *host
, const char *path
,
1251 const char *port
, int use_ssl
,
1252 STACK_OF(CONF_VALUE
) *headers
,
1256 SSL_CTX
*ctx
= NULL
;
1257 OCSP_RESPONSE
*resp
= NULL
;
1259 cbio
= BIO_new_connect(host
);
1261 BIO_printf(bio_err
, "Error creating connect BIO\n");
1265 BIO_set_conn_port(cbio
, port
);
1268 ctx
= SSL_CTX_new(TLS_client_method());
1270 BIO_printf(bio_err
, "Error creating SSL context.\n");
1273 SSL_CTX_set_mode(ctx
, SSL_MODE_AUTO_RETRY
);
1274 sbio
= BIO_new_ssl(ctx
, 1);
1275 cbio
= BIO_push(sbio
, cbio
);
1278 resp
= query_responder(cbio
, host
, path
, headers
, req
, req_timeout
);
1280 BIO_printf(bio_err
, "Error querying OCSP responder\n");