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 */
1183 if (BN_is_zero(bn)) {
1184 itmp = OPENSSL_strdup("00");
1185 OPENSSL_assert(itmp);
1187 itmp = BN_bn2hex(bn);
1189 row[DB_serial] = itmp;
1191 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
1196 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
1199 #ifndef OPENSSL_NO_SOCK
1200 return http_server_get_asn1_req(ASN1_ITEM_rptr(OCSP_REQUEST),
1201 (ASN1_VALUE **)preq, NULL, pcbio, acbio,
1202 NULL /* found_keep_alive */,
1203 prog, 1 /* accept_get */, timeout);
1206 "Error getting OCSP request - sockets not supported\n");
1212 static int send_ocsp_response(BIO *cbio, const OCSP_RESPONSE *resp)
1214 #ifndef OPENSSL_NO_SOCK
1215 return http_server_send_asn1_resp(cbio,
1216 0 /* no keep-alive */,
1217 "application/ocsp-response",
1218 ASN1_ITEM_rptr(OCSP_RESPONSE),
1219 (const ASN1_VALUE *)resp);
1222 "Error sending OCSP response - sockets not supported\n");
1227 #ifndef OPENSSL_NO_SOCK
1228 OCSP_RESPONSE *process_responder(OCSP_REQUEST *req, const char *host,
1229 const char *port, const char *path,
1230 const char *proxy, const char *no_proxy,
1231 int use_ssl, STACK_OF(CONF_VALUE) *headers,
1234 SSL_CTX *ctx = NULL;
1235 OCSP_RESPONSE *resp = NULL;
1238 ctx = SSL_CTX_new(TLS_client_method());
1240 BIO_printf(bio_err, "Error creating SSL context.\n");
1245 resp = (OCSP_RESPONSE *)
1246 app_http_post_asn1(host, port, path, proxy, no_proxy,
1247 ctx, headers, "application/ocsp-request",
1248 (ASN1_VALUE *)req, ASN1_ITEM_rptr(OCSP_REQUEST),
1249 "application/ocsp-response",
1250 req_timeout, ASN1_ITEM_rptr(OCSP_RESPONSE));
1253 BIO_printf(bio_err, "Error querying OCSP responder\n");