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 {
88 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
89 OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT,
90 OPT_IGNORE_ERR, OPT_NOVERIFY, OPT_NONCE, OPT_NO_NONCE,
91 OPT_RESP_NO_CERTS, OPT_RESP_KEY_ID, OPT_NO_CERTS,
92 OPT_NO_SIGNATURE_VERIFY, OPT_NO_CERT_VERIFY, OPT_NO_CHAIN,
93 OPT_NO_CERT_CHECKS, OPT_NO_EXPLICIT, OPT_TRUST_OTHER,
94 OPT_NO_INTERN, OPT_BADSIG, OPT_TEXT, OPT_REQ_TEXT, OPT_RESP_TEXT,
95 OPT_REQIN, OPT_RESPIN, OPT_SIGNER, OPT_VAFILE, OPT_SIGN_OTHER,
96 OPT_VERIFY_OTHER, OPT_CAFILE, OPT_CAPATH, OPT_CASTORE, OPT_NOCAFILE,
97 OPT_NOCAPATH, OPT_NOCASTORE,
98 OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT,
99 OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL,
100 OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER,
101 OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_RSIGOPT, OPT_HEADER,
106 OPT_MULTI, OPT_PROV_ENUM
109 const OPTIONS ocsp_options[] = {
110 OPT_SECTION("General"),
111 {"help", OPT_HELP, '-', "Display this summary"},
112 {"ignore_err", OPT_IGNORE_ERR, '-',
113 "Ignore error on OCSP request or response and continue running"},
114 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
115 {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"},
116 {"CAstore", OPT_CASTORE, ':', "Trusted certificates store URI"},
117 {"no-CAfile", OPT_NOCAFILE, '-',
118 "Do not load the default certificates file"},
119 {"no-CApath", OPT_NOCAPATH, '-',
120 "Do not load certificates from the default certificates directory"},
121 {"no-CAstore", OPT_NOCASTORE, '-',
122 "Do not load certificates from the default certificates store"},
124 OPT_SECTION("Responder"),
125 {"timeout", OPT_TIMEOUT, 'p',
126 "Connection timeout (in seconds) to the OCSP responder"},
127 {"resp_no_certs", OPT_RESP_NO_CERTS, '-',
128 "Don't include any certificates in response"},
130 {"multi", OPT_MULTI, 'p', "run multiple responder processes"},
132 {"no_certs", OPT_NO_CERTS, '-',
133 "Don't include any certificates in signed request"},
134 {"badsig", OPT_BADSIG, '-',
135 "Corrupt last byte of loaded OSCP response signature (for test)"},
136 {"CA", OPT_CA, '<', "CA certificate"},
137 {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"},
138 {"nrequest", OPT_REQUEST, 'p',
139 "Number of requests to accept (default unlimited)"},
140 {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"},
141 {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"},
142 {"sign_other", OPT_SIGN_OTHER, '<',
143 "Additional certificates to include in signed request"},
144 {"index", OPT_INDEX, '<', "Certificate status index file"},
145 {"ndays", OPT_NDAYS, 'p', "Number of days before next update"},
146 {"rsigner", OPT_RSIGNER, '<',
147 "Responder certificate to sign responses with"},
148 {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"},
149 {"passin", OPT_PASSIN, 's', "Responder key pass phrase source"},
150 {"rother", OPT_ROTHER, '<', "Other certificates to include in response"},
151 {"rmd", OPT_RMD, 's', "Digest Algorithm to use in signature of OCSP response"},
152 {"rsigopt", OPT_RSIGOPT, 's', "OCSP response signature parameter in n:v form"},
153 {"header", OPT_HEADER, 's', "key=value header to add"},
154 {"rcid", OPT_RCID, 's', "Use specified algorithm for cert id in response"},
155 {"", OPT_MD, '-', "Any supported digest algorithm (sha1,sha256, ... )"},
157 OPT_SECTION("Client"),
158 {"url", OPT_URL, 's', "Responder URL"},
159 {"host", OPT_HOST, 's', "TCP/IP hostname:port to connect to"},
160 {"port", OPT_PORT, 'p', "Port to run responder on"},
161 {"out", OPT_OUTFILE, '>', "Output filename"},
162 {"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"},
163 {"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"},
164 {"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"},
165 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-',
166 "Don't check signature on response"},
167 {"resp_key_id", OPT_RESP_KEY_ID, '-',
168 "Identify response by signing certificate key ID"},
169 {"no_cert_verify", OPT_NO_CERT_VERIFY, '-',
170 "Don't check signing certificate"},
171 {"text", OPT_TEXT, '-', "Print text form of request and response"},
172 {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"},
173 {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"},
174 {"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"},
175 {"no_cert_checks", OPT_NO_CERT_CHECKS, '-',
176 "Don't do additional checks on signing certificate"},
177 {"no_explicit", OPT_NO_EXPLICIT, '-',
178 "Do not explicitly check the chain, just verify the root"},
179 {"trust_other", OPT_TRUST_OTHER, '-',
180 "Don't verify additional certificates"},
181 {"no_intern", OPT_NO_INTERN, '-',
182 "Don't search certificates contained in response for signer"},
183 {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"},
184 {"VAfile", OPT_VAFILE, '<', "Validator certificates file"},
185 {"verify_other", OPT_VERIFY_OTHER, '<',
186 "Additional certificates to search for signer"},
187 {"path", OPT_PATH, 's', "Path to use in OCSP request"},
188 {"cert", OPT_CERT, '<', "Certificate to check"},
189 {"serial", OPT_SERIAL, 's', "Serial number to check"},
190 {"validity_period", OPT_VALIDITY_PERIOD, 'u',
191 "Maximum validity discrepancy in seconds"},
192 {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"},
193 {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"},
194 {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"},
195 {"issuer", OPT_ISSUER, '<', "Issuer certificate"},
196 {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"},
203 int ocsp_main(int argc, char **argv)
205 BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
206 const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
207 STACK_OF(OPENSSL_STRING) *rsign_sigopts = NULL;
210 EVP_PKEY *key = NULL, *rkey = NULL;
211 OCSP_BASICRESP *bs = NULL;
212 OCSP_REQUEST *req = NULL;
213 OCSP_RESPONSE *resp = NULL;
214 STACK_OF(CONF_VALUE) *headers = NULL;
215 STACK_OF(OCSP_CERTID) *ids = NULL;
216 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
217 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
218 STACK_OF(X509) *issuers = NULL;
219 X509 *issuer = NULL, *cert = NULL;
220 STACK_OF(X509) *rca_cert = NULL;
221 const EVP_MD *resp_certid_md = NULL;
222 X509 *signer = NULL, *rsigner = NULL;
223 X509_STORE *store = NULL;
224 X509_VERIFY_PARAM *vpm = NULL;
225 const char *CAfile = NULL, *CApath = NULL, *CAstore = NULL;
226 char *header, *value, *respdigname = NULL;
227 char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
228 char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
229 char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
230 char *rsignfile = NULL, *rkeyfile = NULL;
231 char *passinarg = NULL, *passin = NULL;
232 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
233 char *signfile = NULL, *keyfile = NULL;
234 char *thost = NULL, *tport = NULL, *tpath = NULL;
235 int noCAfile = 0, noCApath = 0, noCAstore = 0;
236 int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
237 int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
238 int req_text = 0, resp_text = 0, res, ret = 1;
239 int req_timeout = -1;
240 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
241 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
244 reqnames = sk_OPENSSL_STRING_new_null();
245 if (reqnames == NULL)
247 ids = sk_OCSP_CERTID_new_null();
250 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
253 prog = opt_init(argc, argv, ocsp_options);
254 while ((o = opt_next()) != OPT_EOF) {
259 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
263 opt_help(ocsp_options);
269 #ifndef OPENSSL_NO_SOCK
270 req_timeout = atoi(opt_arg());
277 thost = tport = tpath = NULL;
278 if (!OSSL_HTTP_parse_url(opt_arg(), &use_ssl, NULL /* userinfo */,
279 &host, &port, NULL /* port_num */,
280 &path, NULL /* qry */, NULL /* frag */)) {
281 BIO_printf(bio_err, "%s Error parsing -url argument\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();
386 if (!opt_verify(o, vpm))
390 case OPT_VALIDITY_PERIOD:
391 opt_long(opt_arg(), &nsec);
394 opt_long(opt_arg(), &maxage);
409 issuer = load_cert(opt_arg(), "issuer certificate");
412 if (issuers == NULL) {
413 if ((issuers = sk_X509_new_null()) == NULL)
416 if (!sk_X509_push(issuers, issuer))
421 cert = load_cert(opt_arg(), "certificate");
424 if (cert_id_md == NULL)
425 cert_id_md = EVP_sha1();
426 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
428 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
433 if (cert_id_md == NULL)
434 cert_id_md = EVP_sha1();
435 if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
437 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
442 ridx_filename = opt_arg();
445 rca_filename = opt_arg();
448 opt_int(opt_arg(), &nmin);
453 opt_int(opt_arg(), &accept_count);
456 ndays = atoi(opt_arg());
459 rsignfile = opt_arg();
462 rkeyfile = opt_arg();
465 passinarg = opt_arg();
468 rcertfile = opt_arg();
470 case OPT_RMD: /* Response MessageDigest */
471 respdigname = opt_arg();
474 if (rsign_sigopts == NULL)
475 rsign_sigopts = sk_OPENSSL_STRING_new_null();
476 if (rsign_sigopts == NULL || !sk_OPENSSL_STRING_push(rsign_sigopts, opt_arg()))
481 value = strchr(header, '=');
483 BIO_printf(bio_err, "Missing = in header key=value\n");
487 if (!X509V3_add_value(header, value, &headers))
491 resp_certid_md = EVP_get_digestbyname(opt_arg());
492 if (resp_certid_md == NULL)
498 "%s: Digest must be before -cert or -serial\n",
502 if (!opt_md(opt_unknown(), &cert_id_md))
508 multi = atoi(opt_arg());
512 if (!opt_provider(o))
518 /* No extra arguments. */
519 argc = opt_num_rest();
524 BIO_printf(bio_err, "%s: Digest must be before -cert or -serial\n",
529 if (respdigname != NULL) {
530 if (!opt_md(respdigname, &rsign_md))
534 /* Have we anything to do? */
535 if (req == NULL && reqin == NULL
536 && respin == NULL && !(port != NULL && ridx_filename != NULL))
539 out = bio_open_default(outfile, 'w', FORMAT_TEXT);
543 if (req == NULL && (add_nonce != 2))
546 if (req == NULL && reqin != NULL) {
547 derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
550 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
553 BIO_printf(bio_err, "Error reading OCSP request\n");
558 if (req == NULL && port != NULL) {
559 #ifndef OPENSSL_NO_SOCK
560 acbio = http_server_init_bio(prog, port);
564 BIO_printf(bio_err, "Cannot act as server - sockets not supported\n");
569 if (rsignfile != NULL) {
570 if (rkeyfile == NULL)
571 rkeyfile = rsignfile;
572 rsigner = load_cert(rsignfile, "responder certificate");
573 if (rsigner == NULL) {
574 BIO_printf(bio_err, "Error loading responder certificate\n");
577 if (!load_certs(rca_filename, 0, &rca_cert, NULL, "CA certificates"))
579 if (rcertfile != NULL) {
580 if (!load_certs(rcertfile, 0, &rother, NULL,
581 "responder other certificates"))
584 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
585 BIO_printf(bio_err, "Error getting password\n");
588 rkey = load_key(rkeyfile, FORMAT_PEM, 0, passin, NULL,
589 "responder private key");
594 if (ridx_filename != NULL
595 && (rkey == NULL || rsigner == NULL || rca_cert == NULL)) {
597 "Responder mode requires certificate, key, and CA.\n");
601 if (ridx_filename != NULL) {
602 rdb = load_index(ridx_filename, NULL);
603 if (rdb == NULL || index_index(rdb) <= 0) {
610 if (multi && acbio != NULL)
612 if (acbio != NULL && req_timeout > 0)
613 signal(SIGALRM, socket_timeout);
617 log_message(prog, LOG_INFO, "waiting for OCSP client connections...");
623 if (index_changed(rdb)) {
624 CA_DB *newrdb = load_index(ridx_filename, NULL);
626 if (newrdb != NULL && index_index(newrdb) > 0) {
631 log_message(prog, LOG_ERR, "error reloading updated index: %s",
638 res = do_responder(&req, &cbio, acbio, req_timeout);
645 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
647 send_ocsp_response(cbio, resp);
654 && (signfile != NULL || reqout != NULL
655 || host != NULL || add_nonce || ridx_filename != NULL)) {
656 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
660 if (req != NULL && add_nonce) {
661 if (!OCSP_request_add1_nonce(req, NULL, -1))
665 if (signfile != NULL) {
668 signer = load_cert(signfile, "signer certificate");
669 if (signer == NULL) {
670 BIO_printf(bio_err, "Error loading signer certificate\n");
673 if (sign_certfile != NULL) {
674 if (!load_certs(sign_certfile, 0, &sign_other, NULL,
675 "signer certificates"))
678 key = load_key(keyfile, FORMAT_PEM, 0, NULL, NULL,
679 "signer private key");
683 if (!OCSP_request_sign
684 (req, signer, key, NULL, sign_other, sign_flags)) {
685 BIO_printf(bio_err, "Error signing OCSP request\n");
690 if (req_text && req != NULL)
691 OCSP_REQUEST_print(out, req, 0);
693 if (reqout != NULL) {
694 derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
697 i2d_OCSP_REQUEST_bio(derbio, req);
702 make_ocsp_response(bio_err, &resp, req, rdb, rca_cert, rsigner, rkey,
703 rsign_md, rsign_sigopts, rother, rflags, nmin, ndays, badsig,
706 send_ocsp_response(cbio, resp);
707 } else if (host != NULL) {
708 #ifndef OPENSSL_NO_SOCK
709 resp = process_responder(req, host, path,
710 port, use_ssl, headers, req_timeout);
715 "Error creating connect BIO - sockets not supported\n");
718 } else if (respin != NULL) {
719 derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
722 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
725 BIO_printf(bio_err, "Error reading OCSP response\n");
735 if (respout != NULL) {
736 derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
739 i2d_OCSP_RESPONSE_bio(derbio, resp);
743 i = OCSP_response_status(resp);
744 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
745 BIO_printf(out, "Responder Error: %s (%d)\n",
746 OCSP_response_status_str(i), i);
752 OCSP_RESPONSE_print(out, resp, 0);
754 /* If running as responder don't verify our own response */
756 /* If not unlimited, see if we took all we should. */
757 if (accept_count != -1 && --accept_count <= 0) {
763 OCSP_REQUEST_free(req);
765 OCSP_RESPONSE_free(resp);
769 if (ridx_filename != NULL) {
775 store = setup_verify(CAfile, noCAfile, CApath, noCApath,
781 X509_STORE_set1_param(store, vpm);
782 if (verify_certfile != NULL) {
783 if (!load_certs(verify_certfile, 0, &verify_other, NULL,
784 "validator certificates"))
788 bs = OCSP_response_get1_basic(resp);
790 BIO_printf(bio_err, "Error parsing response\n");
797 if (req != NULL && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
799 BIO_printf(bio_err, "WARNING: no nonce in response\n");
801 BIO_printf(bio_err, "Nonce Verify error\n");
807 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
808 if (i <= 0 && issuers) {
809 i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
814 BIO_printf(bio_err, "Response Verify Failure\n");
815 ERR_print_errors(bio_err);
818 BIO_printf(bio_err, "Response verify OK\n");
822 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage))
826 ERR_print_errors(bio_err);
828 X509_STORE_free(store);
829 X509_VERIFY_PARAM_free(vpm);
830 sk_OPENSSL_STRING_free(rsign_sigopts);
834 sk_X509_pop_free(issuers, X509_free);
836 sk_X509_pop_free(rca_cert, X509_free);
841 OCSP_REQUEST_free(req);
842 OCSP_RESPONSE_free(resp);
843 OCSP_BASICRESP_free(bs);
844 sk_OPENSSL_STRING_free(reqnames);
845 sk_OCSP_CERTID_free(ids);
846 sk_X509_pop_free(sign_other, X509_free);
847 sk_X509_pop_free(verify_other, X509_free);
848 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
858 static int index_changed(CA_DB *rdb)
862 if (rdb != NULL && stat(rdb->dbfname, &sb) != -1) {
863 if (rdb->dbst.st_mtime != sb.st_mtime
864 || rdb->dbst.st_ctime != sb.st_ctime
865 || rdb->dbst.st_ino != sb.st_ino
866 || rdb->dbst.st_dev != sb.st_dev) {
867 syslog(LOG_INFO, "index file changed, reloading");
876 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
877 const EVP_MD *cert_id_md, X509 *issuer,
878 STACK_OF(OCSP_CERTID) *ids)
882 if (issuer == NULL) {
883 BIO_printf(bio_err, "No issuer certificate specified\n");
887 *req = OCSP_REQUEST_new();
890 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
891 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
893 if (!OCSP_request_add0_id(*req, id))
898 BIO_printf(bio_err, "Error Creating OCSP request\n");
902 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
903 const EVP_MD *cert_id_md, X509 *issuer,
904 STACK_OF(OCSP_CERTID) *ids)
907 const X509_NAME *iname;
908 ASN1_BIT_STRING *ikey;
911 if (issuer == NULL) {
912 BIO_printf(bio_err, "No issuer certificate specified\n");
916 *req = OCSP_REQUEST_new();
919 iname = X509_get_subject_name(issuer);
920 ikey = X509_get0_pubkey_bitstr(issuer);
921 sno = s2i_ASN1_INTEGER(NULL, serial);
923 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
926 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
927 ASN1_INTEGER_free(sno);
928 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
930 if (!OCSP_request_add0_id(*req, id))
935 BIO_printf(bio_err, "Error Creating OCSP request\n");
939 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
940 STACK_OF(OPENSSL_STRING) *names,
941 STACK_OF(OCSP_CERTID) *ids, long nsec,
946 int i, status, reason;
947 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
950 if (req == NULL || !sk_OPENSSL_STRING_num(names))
953 if (bs == NULL || !sk_OCSP_CERTID_num(ids))
956 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
957 id = sk_OCSP_CERTID_value(ids, i);
958 name = sk_OPENSSL_STRING_value(names, i);
959 BIO_printf(out, "%s: ", name);
961 if (!OCSP_resp_find_status(bs, id, &status, &reason,
962 &rev, &thisupd, &nextupd)) {
963 BIO_puts(out, "ERROR: No Status found.\n");
969 * Check validity: if invalid write to output BIO so we know which
970 * response this refers to.
972 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
973 BIO_puts(out, "WARNING: Status times invalid.\n");
974 ERR_print_errors(out);
976 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
978 BIO_puts(out, "\tThis Update: ");
979 ASN1_GENERALIZEDTIME_print(out, thisupd);
983 BIO_puts(out, "\tNext Update: ");
984 ASN1_GENERALIZEDTIME_print(out, nextupd);
988 if (status != V_OCSP_CERTSTATUS_REVOKED)
992 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
994 BIO_puts(out, "\tRevocation Time: ");
995 ASN1_GENERALIZEDTIME_print(out, rev);
1001 static void make_ocsp_response(BIO *err, OCSP_RESPONSE **resp, OCSP_REQUEST *req,
1002 CA_DB *db, STACK_OF(X509) *ca, X509 *rcert,
1003 EVP_PKEY *rkey, const EVP_MD *rmd,
1004 STACK_OF(OPENSSL_STRING) *sigopts,
1005 STACK_OF(X509) *rother, unsigned long flags,
1006 int nmin, int ndays, int badsig,
1007 const EVP_MD *resp_md)
1009 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
1011 OCSP_BASICRESP *bs = NULL;
1013 EVP_MD_CTX *mctx = NULL;
1014 EVP_PKEY_CTX *pkctx = NULL;
1016 id_count = OCSP_request_onereq_count(req);
1018 if (id_count <= 0) {
1020 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
1024 bs = OCSP_BASICRESP_new();
1025 thisupd = X509_gmtime_adj(NULL, 0);
1027 nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL);
1029 /* Examine each certificate id in the request */
1030 for (i = 0; i < id_count; i++) {
1032 ASN1_INTEGER *serial;
1036 ASN1_OBJECT *cert_id_md_oid;
1037 const EVP_MD *cert_id_md;
1038 OCSP_CERTID *cid_resp_md = NULL;
1040 one = OCSP_request_onereq_get0(req, i);
1041 cid = OCSP_onereq_get0_id(one);
1043 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
1045 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
1046 if (cert_id_md == NULL) {
1047 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
1051 for (jj = 0; jj < sk_X509_num(ca) && !found; jj++) {
1052 X509 *ca_cert = sk_X509_value(ca, jj);
1053 OCSP_CERTID *ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca_cert);
1055 if (OCSP_id_issuer_cmp(ca_id, cid) == 0) {
1057 if (resp_md != NULL)
1058 cid_resp_md = OCSP_cert_to_id(resp_md, NULL, ca_cert);
1060 OCSP_CERTID_free(ca_id);
1062 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
1063 inf = lookup_serial(db, serial);
1065 /* at this point, we can have cid be an alias of cid_resp_md */
1066 cid = (cid_resp_md != NULL) ? cid_resp_md : cid;
1069 OCSP_basic_add1_status(bs, cid,
1070 V_OCSP_CERTSTATUS_UNKNOWN,
1071 0, NULL, thisupd, nextupd);
1075 OCSP_basic_add1_status(bs, cid,
1076 V_OCSP_CERTSTATUS_UNKNOWN,
1077 0, NULL, thisupd, nextupd);
1078 } else if (inf[DB_type][0] == DB_TYPE_VAL) {
1079 OCSP_basic_add1_status(bs, cid,
1080 V_OCSP_CERTSTATUS_GOOD,
1081 0, NULL, thisupd, nextupd);
1082 } else if (inf[DB_type][0] == DB_TYPE_REV) {
1083 ASN1_OBJECT *inst = NULL;
1084 ASN1_TIME *revtm = NULL;
1085 ASN1_GENERALIZEDTIME *invtm = NULL;
1086 OCSP_SINGLERESP *single;
1089 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
1090 single = OCSP_basic_add1_status(bs, cid,
1091 V_OCSP_CERTSTATUS_REVOKED,
1092 reason, revtm, thisupd, nextupd);
1094 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
1096 else if (inst != NULL)
1097 OCSP_SINGLERESP_add1_ext_i2d(single,
1098 NID_hold_instruction_code, inst,
1100 ASN1_OBJECT_free(inst);
1101 ASN1_TIME_free(revtm);
1102 ASN1_GENERALIZEDTIME_free(invtm);
1104 OCSP_CERTID_free(cid_resp_md);
1107 OCSP_copy_nonce(bs, req);
1109 mctx = EVP_MD_CTX_new();
1110 if ( mctx == NULL || !EVP_DigestSignInit(mctx, &pkctx, rmd, NULL, rkey)) {
1111 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, NULL);
1114 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1115 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1117 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1118 BIO_printf(err, "parameter error \"%s\"\n", sigopt);
1119 ERR_print_errors(bio_err);
1120 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
1125 if (!OCSP_basic_sign_ctx(bs, rcert, mctx, rother, flags)) {
1126 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, bs);
1131 const ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs);
1132 corrupt_signature(sig);
1135 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
1138 EVP_MD_CTX_free(mctx);
1139 ASN1_TIME_free(thisupd);
1140 ASN1_TIME_free(nextupd);
1141 OCSP_BASICRESP_free(bs);
1144 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
1148 char *itmp, *row[DB_NUMBER], **rrow;
1149 for (i = 0; i < DB_NUMBER; i++)
1151 bn = ASN1_INTEGER_to_BN(ser, NULL);
1152 OPENSSL_assert(bn); /* FIXME: should report an error at this
1153 * point and abort */
1155 itmp = OPENSSL_strdup("00");
1157 itmp = BN_bn2hex(bn);
1158 row[DB_serial] = itmp;
1160 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
1165 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
1168 #ifndef OPENSSL_NO_SOCK
1169 return http_server_get_asn1_req(ASN1_ITEM_rptr(OCSP_RESPONSE),
1170 (ASN1_VALUE **)preq, NULL, pcbio, acbio,
1171 prog, 1 /* accept_get */, timeout);
1174 "Error getting OCSP request - sockets not supported\n");
1180 static int send_ocsp_response(BIO *cbio, const OCSP_RESPONSE *resp)
1182 #ifndef OPENSSL_NO_SOCK
1183 return http_server_send_asn1_resp(cbio, "application/ocsp-response",
1184 ASN1_ITEM_rptr(OCSP_RESPONSE),
1185 (const ASN1_VALUE *)resp);
1188 "Error sending OCSP response - sockets not supported\n");
1193 #ifndef OPENSSL_NO_SOCK
1194 OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,
1195 const char *host, const char *path,
1196 const char *port, int use_ssl,
1197 STACK_OF(CONF_VALUE) *headers,
1200 SSL_CTX *ctx = NULL;
1201 OCSP_RESPONSE *resp = NULL;
1204 ctx = SSL_CTX_new(TLS_client_method());
1206 BIO_printf(bio_err, "Error creating SSL context.\n");
1209 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
1212 resp = (OCSP_RESPONSE *)
1213 app_http_post_asn1(host, port, path, NULL, NULL /* no proxy used */,
1214 ctx, headers, "application/ocsp-request",
1215 (ASN1_VALUE *)req, ASN1_ITEM_rptr(OCSP_REQUEST),
1216 req_timeout, ASN1_ITEM_rptr(OCSP_RESPONSE));
1219 BIO_printf(bio_err, "Error querying OCSP responder\n");