2 * Copyright 2001-2023 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 #include <openssl/opensslconf.h>
12 #ifdef OPENSSL_SYS_VMS
13 /* So fd_set and friends get properly defined on OpenVMS */
14 # define _XOPEN_SOURCE_EXTENDED
23 /* Needs to be included before the openssl headers */
25 #include "http_server.h"
27 #include "internal/sockets.h"
28 #include <openssl/e_os2.h>
29 #include <openssl/crypto.h>
30 #include <openssl/err.h>
31 #include <openssl/ssl.h>
32 #include <openssl/evp.h>
33 #include <openssl/bn.h>
34 #include <openssl/x509v3.h>
36 #if defined(OPENSSL_SYS_VXWORKS)
38 int setpgid(pid_t pid, pid_t pgid)
50 /* Maximum leeway in validity period: default 5 minutes */
51 #define MAX_VALIDITY_PERIOD (5 * 60)
53 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
54 const EVP_MD *cert_id_md, X509 *issuer,
55 STACK_OF(OCSP_CERTID) *ids);
56 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
57 const EVP_MD *cert_id_md, X509 *issuer,
58 STACK_OF(OCSP_CERTID) *ids);
59 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
60 STACK_OF(OPENSSL_STRING) *names,
61 STACK_OF(OCSP_CERTID) *ids, long nsec,
63 static void make_ocsp_response(BIO *err, OCSP_RESPONSE **resp, OCSP_REQUEST *req,
64 CA_DB *db, STACK_OF(X509) *ca, X509 *rcert,
65 EVP_PKEY *rkey, const EVP_MD *md,
66 STACK_OF(OPENSSL_STRING) *sigopts,
67 STACK_OF(X509) *rother, unsigned long flags,
68 int nmin, int ndays, int badsig,
69 const EVP_MD *resp_md);
71 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
72 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
74 static int send_ocsp_response(BIO *cbio, const OCSP_RESPONSE *resp);
78 static int index_changed(CA_DB *);
81 typedef enum OPTION_choice {
83 OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT,
84 #ifndef OPENSSL_NO_SOCK
85 OPT_PROXY, OPT_NO_PROXY,
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_CASTORE, OPT_NOCAFILE,
94 OPT_NOCAPATH, OPT_NOCASTORE,
95 OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT,
96 OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL,
97 OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER,
98 OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_RSIGOPT, OPT_HEADER,
103 OPT_MULTI, OPT_PROV_ENUM
106 const OPTIONS ocsp_options[] = {
107 OPT_SECTION("General"),
108 {"help", OPT_HELP, '-', "Display this summary"},
109 {"ignore_err", OPT_IGNORE_ERR, '-',
110 "Ignore error on OCSP request or response and continue running"},
111 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
112 {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"},
113 {"CAstore", OPT_CASTORE, ':', "Trusted certificates store URI"},
114 {"no-CAfile", OPT_NOCAFILE, '-',
115 "Do not load the default certificates file"},
116 {"no-CApath", OPT_NOCAPATH, '-',
117 "Do not load certificates from the default certificates directory"},
118 {"no-CAstore", OPT_NOCASTORE, '-',
119 "Do not load certificates from the default certificates store"},
121 OPT_SECTION("Responder"),
122 {"timeout", OPT_TIMEOUT, 'p',
123 "Connection timeout (in seconds) to the OCSP responder"},
124 {"resp_no_certs", OPT_RESP_NO_CERTS, '-',
125 "Don't include any certificates in response"},
127 {"multi", OPT_MULTI, 'p', "run multiple responder processes"},
129 {"no_certs", OPT_NO_CERTS, '-',
130 "Don't include any certificates in signed request"},
131 {"badsig", OPT_BADSIG, '-',
132 "Corrupt last byte of loaded OCSP response signature (for test)"},
133 {"CA", OPT_CA, '<', "CA certificates"},
134 {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"},
135 {"nrequest", OPT_REQUEST, 'p',
136 "Number of requests to accept (default unlimited)"},
137 {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"},
138 {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"},
139 {"sign_other", OPT_SIGN_OTHER, '<',
140 "Additional certificates to include in signed request"},
141 {"index", OPT_INDEX, '<', "Certificate status index file"},
142 {"ndays", OPT_NDAYS, 'p', "Number of days before next update"},
143 {"rsigner", OPT_RSIGNER, '<',
144 "Responder certificate to sign responses with"},
145 {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"},
146 {"passin", OPT_PASSIN, 's', "Responder key pass phrase source"},
147 {"rother", OPT_ROTHER, '<', "Other certificates to include in response"},
148 {"rmd", OPT_RMD, 's', "Digest Algorithm to use in signature of OCSP response"},
149 {"rsigopt", OPT_RSIGOPT, 's', "OCSP response signature parameter in n:v form"},
150 {"header", OPT_HEADER, 's', "key=value header to add"},
151 {"rcid", OPT_RCID, 's', "Use specified algorithm for cert id in response"},
152 {"", OPT_MD, '-', "Any supported digest algorithm (sha1,sha256, ... )"},
154 OPT_SECTION("Client"),
155 {"url", OPT_URL, 's', "Responder URL"},
156 {"host", OPT_HOST, 's', "TCP/IP hostname:port to connect to"},
157 {"port", OPT_PORT, 'N', "Port to run responder on"},
158 {"path", OPT_PATH, 's', "Path to use in OCSP request"},
159 #ifndef OPENSSL_NO_SOCK
160 {"proxy", OPT_PROXY, 's',
161 "[http[s]://]host[:port][/path] of HTTP(S) proxy to use; path is ignored"},
162 {"no_proxy", OPT_NO_PROXY, 's',
163 "List of addresses of servers not to use HTTP(S) proxy for"},
165 "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
167 {"out", OPT_OUTFILE, '>', "Output filename"},
168 {"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"},
169 {"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"},
170 {"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"},
171 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-',
172 "Don't check signature on response"},
173 {"resp_key_id", OPT_RESP_KEY_ID, '-',
174 "Identify response by signing certificate key ID"},
175 {"no_cert_verify", OPT_NO_CERT_VERIFY, '-',
176 "Don't check signing certificate"},
177 {"text", OPT_TEXT, '-', "Print text form of request and response"},
178 {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"},
179 {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"},
180 {"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"},
181 {"no_cert_checks", OPT_NO_CERT_CHECKS, '-',
182 "Don't do additional checks on signing certificate"},
183 {"no_explicit", OPT_NO_EXPLICIT, '-',
184 "Do not explicitly check the chain, just verify the root"},
185 {"trust_other", OPT_TRUST_OTHER, '-',
186 "Don't verify additional certificates"},
187 {"no_intern", OPT_NO_INTERN, '-',
188 "Don't search certificates contained in response for signer"},
189 {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"},
190 {"VAfile", OPT_VAFILE, '<', "Validator certificates file"},
191 {"verify_other", OPT_VERIFY_OTHER, '<',
192 "Additional certificates to search for signer"},
193 {"cert", OPT_CERT, '<',
194 "Certificate to check; may be given multiple times"},
195 {"serial", OPT_SERIAL, 's',
196 "Serial number to check; may be given multiple times"},
197 {"validity_period", OPT_VALIDITY_PERIOD, 'u',
198 "Maximum validity discrepancy in seconds"},
199 {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"},
200 {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"},
201 {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"},
202 {"issuer", OPT_ISSUER, '<', "Issuer certificate"},
203 {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"},
210 int ocsp_main(int argc, char **argv)
212 BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
213 EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
214 STACK_OF(OPENSSL_STRING) *rsign_sigopts = NULL;
217 EVP_PKEY *key = NULL, *rkey = NULL;
218 OCSP_BASICRESP *bs = NULL;
219 OCSP_REQUEST *req = NULL;
220 OCSP_RESPONSE *resp = NULL;
221 STACK_OF(CONF_VALUE) *headers = NULL;
222 STACK_OF(OCSP_CERTID) *ids = NULL;
223 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
224 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
225 STACK_OF(X509) *issuers = NULL;
226 X509 *issuer = NULL, *cert = NULL;
227 STACK_OF(X509) *rca_certs = NULL;
228 EVP_MD *resp_certid_md = NULL;
229 X509 *signer = NULL, *rsigner = NULL;
230 X509_STORE *store = NULL;
231 X509_VERIFY_PARAM *vpm = NULL;
232 const char *CAfile = NULL, *CApath = NULL, *CAstore = NULL;
233 char *header, *value, *respdigname = NULL;
234 char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
235 #ifndef OPENSSL_NO_SOCK
236 char *opt_proxy = NULL;
237 char *opt_no_proxy = NULL;
239 char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
240 char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
241 char *rsignfile = NULL, *rkeyfile = NULL;
242 char *passinarg = NULL, *passin = NULL;
243 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
244 char *signfile = NULL, *keyfile = NULL;
245 char *thost = NULL, *tport = NULL, *tpath = NULL;
246 int noCAfile = 0, noCApath = 0, noCAstore = 0;
247 int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
248 int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
249 int req_text = 0, resp_text = 0, res, ret = 1;
250 int req_timeout = -1;
251 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
252 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
255 if ((reqnames = sk_OPENSSL_STRING_new_null()) == NULL
256 || (ids = sk_OCSP_CERTID_new_null()) == NULL
257 || (vpm = X509_VERIFY_PARAM_new()) == NULL)
260 opt_set_unknown_name("digest");
261 prog = opt_init(argc, argv, ocsp_options);
262 while ((o = opt_next()) != OPT_EOF) {
267 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
271 opt_help(ocsp_options);
277 #ifndef OPENSSL_NO_SOCK
278 req_timeout = atoi(opt_arg());
285 thost = tport = tpath = NULL;
286 if (!OSSL_HTTP_parse_url(opt_arg(), &use_ssl, NULL /* userinfo */,
287 &host, &port, NULL /* port_num */,
288 &path, NULL /* qry */, NULL /* frag */)) {
289 BIO_printf(bio_err, "%s Error parsing -url argument\n", prog);
305 #ifndef OPENSSL_NO_SOCK
307 opt_proxy = opt_arg();
310 opt_no_proxy = opt_arg();
325 case OPT_RESP_NO_CERTS:
326 rflags |= OCSP_NOCERTS;
328 case OPT_RESP_KEY_ID:
329 rflags |= OCSP_RESPID_KEY;
332 sign_flags |= OCSP_NOCERTS;
334 case OPT_NO_SIGNATURE_VERIFY:
335 verify_flags |= OCSP_NOSIGS;
337 case OPT_NO_CERT_VERIFY:
338 verify_flags |= OCSP_NOVERIFY;
341 verify_flags |= OCSP_NOCHAIN;
343 case OPT_NO_CERT_CHECKS:
344 verify_flags |= OCSP_NOCHECKS;
346 case OPT_NO_EXPLICIT:
347 verify_flags |= OCSP_NOEXPLICIT;
349 case OPT_TRUST_OTHER:
350 verify_flags |= OCSP_TRUSTOTHER;
353 verify_flags |= OCSP_NOINTERN;
359 req_text = resp_text = 1;
374 signfile = opt_arg();
377 verify_certfile = opt_arg();
378 verify_flags |= OCSP_TRUSTOTHER;
381 sign_certfile = opt_arg();
383 case OPT_VERIFY_OTHER:
384 verify_certfile = opt_arg();
405 if (!opt_verify(o, vpm))
409 case OPT_VALIDITY_PERIOD:
410 opt_long(opt_arg(), &nsec);
413 opt_long(opt_arg(), &maxage);
425 issuer = load_cert(opt_arg(), FORMAT_UNDEF, "issuer certificate");
428 if (issuers == NULL) {
429 if ((issuers = sk_X509_new_null()) == NULL)
432 if (!sk_X509_push(issuers, issuer))
438 cert = load_cert(opt_arg(), FORMAT_UNDEF, "certificate");
441 if (cert_id_md == NULL)
442 cert_id_md = (EVP_MD *)EVP_sha1();
443 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
445 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
451 if (cert_id_md == NULL)
452 cert_id_md = (EVP_MD *)EVP_sha1();
453 if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
455 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
460 ridx_filename = opt_arg();
463 rca_filename = opt_arg();
466 nmin = opt_int_arg();
471 accept_count = opt_int_arg();
474 ndays = atoi(opt_arg());
477 rsignfile = opt_arg();
480 rkeyfile = opt_arg();
483 passinarg = opt_arg();
486 rcertfile = opt_arg();
488 case OPT_RMD: /* Response MessageDigest */
489 respdigname = opt_arg();
492 if (rsign_sigopts == NULL)
493 rsign_sigopts = sk_OPENSSL_STRING_new_null();
494 if (rsign_sigopts == NULL
495 || !sk_OPENSSL_STRING_push(rsign_sigopts, opt_arg()))
500 value = strchr(header, '=');
502 BIO_printf(bio_err, "Missing = in header key=value\n");
506 if (!X509V3_add_value(header, value, &headers))
510 if (!opt_md(opt_arg(), &resp_certid_md))
516 "%s: Digest must be before -cert or -serial\n",
520 if (!opt_md(opt_unknown(), &cert_id_md))
526 n_responders = atoi(opt_arg());
530 if (!opt_provider(o))
536 /* No extra arguments. */
537 if (!opt_check_rest_arg(NULL))
541 BIO_printf(bio_err, "%s: Digest must be before -cert or -serial\n",
546 if (respdigname != NULL) {
547 if (!opt_md(respdigname, &rsign_md))
551 /* Have we anything to do? */
552 if (req == NULL && reqin == NULL
553 && respin == NULL && !(port != NULL && ridx_filename != NULL))
556 out = bio_open_default(outfile, 'w', FORMAT_TEXT);
560 if (req == NULL && (add_nonce != 2))
563 if (req == NULL && reqin != NULL) {
564 derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
567 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
570 BIO_printf(bio_err, "Error reading OCSP request\n");
575 if (req == NULL && port != NULL) {
576 #ifndef OPENSSL_NO_SOCK
577 acbio = http_server_init(prog, port, -1);
581 BIO_printf(bio_err, "Cannot act as server - sockets not supported\n");
586 if (rsignfile != NULL) {
587 if (rkeyfile == NULL)
588 rkeyfile = rsignfile;
589 rsigner = load_cert(rsignfile, FORMAT_UNDEF, "responder certificate");
590 if (rsigner == NULL) {
591 BIO_printf(bio_err, "Error loading responder certificate\n");
594 if (!load_certs(rca_filename, 0, &rca_certs, NULL, "CA certificates"))
596 if (rcertfile != NULL) {
597 if (!load_certs(rcertfile, 0, &rother, NULL,
598 "responder other certificates"))
601 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
602 BIO_printf(bio_err, "Error getting password\n");
605 rkey = load_key(rkeyfile, FORMAT_UNDEF, 0, passin, NULL,
606 "responder private key");
611 if (ridx_filename != NULL
612 && (rkey == NULL || rsigner == NULL || rca_certs == NULL)) {
614 "Responder mode requires certificate, key, and CA.\n");
618 if (ridx_filename != NULL) {
619 rdb = load_index(ridx_filename, NULL);
620 if (rdb == NULL || index_index(rdb) <= 0) {
622 "Problem with index file: %s (could not load/parse file)\n",
630 if (n_responders != 0 && acbio != NULL)
632 if (acbio != NULL && req_timeout > 0)
633 signal(SIGALRM, socket_timeout);
637 trace_log_message(-1, prog,
638 LOG_INFO, "waiting for OCSP client connections...");
644 if (index_changed(rdb)) {
645 CA_DB *newrdb = load_index(ridx_filename, NULL);
647 if (newrdb != NULL && index_index(newrdb) > 0) {
652 trace_log_message(-1, prog,
653 LOG_ERR, "error reloading updated index: %s",
660 res = do_responder(&req, &cbio, acbio, req_timeout);
667 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
669 send_ocsp_response(cbio, resp);
676 && (signfile != NULL || reqout != NULL
677 || host != NULL || add_nonce || ridx_filename != NULL)) {
678 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
682 if (req != NULL && add_nonce) {
683 if (!OCSP_request_add1_nonce(req, NULL, -1))
687 if (signfile != NULL) {
690 signer = load_cert(signfile, FORMAT_UNDEF, "signer certificate");
691 if (signer == NULL) {
692 BIO_printf(bio_err, "Error loading signer certificate\n");
695 if (sign_certfile != NULL) {
696 if (!load_certs(sign_certfile, 0, &sign_other, NULL,
697 "signer certificates"))
700 key = load_key(keyfile, FORMAT_UNDEF, 0, NULL, NULL,
701 "signer private key");
705 if (!OCSP_request_sign(req, signer, key, NULL,
706 sign_other, sign_flags)) {
707 BIO_printf(bio_err, "Error signing OCSP request\n");
712 if (req_text && req != NULL)
713 OCSP_REQUEST_print(out, req, 0);
715 if (reqout != NULL) {
716 derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
719 i2d_OCSP_REQUEST_bio(derbio, req);
724 make_ocsp_response(bio_err, &resp, req, rdb, rca_certs, rsigner, rkey,
725 rsign_md, rsign_sigopts, rother, rflags, nmin, ndays,
726 badsig, resp_certid_md);
730 send_ocsp_response(cbio, resp);
731 } else if (host != NULL) {
732 #ifndef OPENSSL_NO_SOCK
733 resp = process_responder(req, host, port, path, opt_proxy, opt_no_proxy,
734 use_ssl, headers, req_timeout);
739 "Error creating connect BIO - sockets not supported\n");
742 } else if (respin != NULL) {
743 derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
746 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
749 BIO_printf(bio_err, "Error reading OCSP response\n");
759 if (respout != NULL) {
760 derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
763 i2d_OCSP_RESPONSE_bio(derbio, resp);
767 i = OCSP_response_status(resp);
768 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
769 BIO_printf(out, "Responder Error: %s (%d)\n",
770 OCSP_response_status_str(i), i);
776 OCSP_RESPONSE_print(out, resp, 0);
778 /* If running as responder don't verify our own response */
780 /* If not unlimited, see if we took all we should. */
781 if (accept_count != -1 && --accept_count <= 0) {
787 OCSP_REQUEST_free(req);
789 OCSP_RESPONSE_free(resp);
793 if (ridx_filename != NULL) {
799 store = setup_verify(CAfile, noCAfile, CApath, noCApath,
805 X509_STORE_set1_param(store, vpm);
806 if (verify_certfile != NULL) {
807 if (!load_certs(verify_certfile, 0, &verify_other, NULL,
808 "validator certificates"))
812 bs = OCSP_response_get1_basic(resp);
814 BIO_printf(bio_err, "Error parsing response\n");
821 if (req != NULL && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
823 BIO_printf(bio_err, "WARNING: no nonce in response\n");
825 BIO_printf(bio_err, "Nonce Verify error\n");
831 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
832 if (i <= 0 && issuers) {
833 i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
838 BIO_printf(bio_err, "Response Verify Failure\n");
839 ERR_print_errors(bio_err);
842 BIO_printf(bio_err, "Response verify OK\n");
846 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage))
850 ERR_print_errors(bio_err);
852 X509_STORE_free(store);
853 X509_VERIFY_PARAM_free(vpm);
854 sk_OPENSSL_STRING_free(rsign_sigopts);
857 EVP_MD_free(cert_id_md);
858 EVP_MD_free(rsign_md);
859 EVP_MD_free(resp_certid_md);
861 OSSL_STACK_OF_X509_free(issuers);
863 OSSL_STACK_OF_X509_free(rca_certs);
868 OCSP_REQUEST_free(req);
869 OCSP_RESPONSE_free(resp);
870 OCSP_BASICRESP_free(bs);
871 sk_OPENSSL_STRING_free(reqnames);
872 sk_OCSP_CERTID_free(ids);
873 OSSL_STACK_OF_X509_free(sign_other);
874 OSSL_STACK_OF_X509_free(verify_other);
875 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
885 static int index_changed(CA_DB *rdb)
889 if (rdb != NULL && stat(rdb->dbfname, &sb) != -1) {
890 if (rdb->dbst.st_mtime != sb.st_mtime
891 || rdb->dbst.st_ctime != sb.st_ctime
892 || rdb->dbst.st_ino != sb.st_ino
893 || rdb->dbst.st_dev != sb.st_dev) {
894 syslog(LOG_INFO, "index file changed, reloading");
903 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
904 const EVP_MD *cert_id_md, X509 *issuer,
905 STACK_OF(OCSP_CERTID) *ids)
909 if (issuer == NULL) {
910 BIO_printf(bio_err, "No issuer certificate specified\n");
914 *req = OCSP_REQUEST_new();
917 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
918 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
920 if (!OCSP_request_add0_id(*req, id))
925 BIO_printf(bio_err, "Error Creating OCSP request\n");
929 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
930 const EVP_MD *cert_id_md, X509 *issuer,
931 STACK_OF(OCSP_CERTID) *ids)
934 const X509_NAME *iname;
935 ASN1_BIT_STRING *ikey;
938 if (issuer == NULL) {
939 BIO_printf(bio_err, "No issuer certificate specified\n");
943 *req = OCSP_REQUEST_new();
946 iname = X509_get_subject_name(issuer);
947 ikey = X509_get0_pubkey_bitstr(issuer);
948 sno = s2i_ASN1_INTEGER(NULL, serial);
950 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
953 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
954 ASN1_INTEGER_free(sno);
955 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
957 if (!OCSP_request_add0_id(*req, id))
962 BIO_printf(bio_err, "Error Creating OCSP request\n");
966 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
967 STACK_OF(OPENSSL_STRING) *names,
968 STACK_OF(OCSP_CERTID) *ids, long nsec,
973 int i, status, reason;
974 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
977 if (req == NULL || !sk_OPENSSL_STRING_num(names))
980 if (bs == NULL || !sk_OCSP_CERTID_num(ids))
983 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
984 id = sk_OCSP_CERTID_value(ids, i);
985 name = sk_OPENSSL_STRING_value(names, i);
986 BIO_printf(out, "%s: ", name);
988 if (!OCSP_resp_find_status(bs, id, &status, &reason,
989 &rev, &thisupd, &nextupd)) {
990 BIO_puts(out, "ERROR: No Status found.\n");
996 * Check validity: if invalid write to output BIO so we know which
997 * response this refers to.
999 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
1000 BIO_puts(out, "WARNING: Status times invalid.\n");
1001 ERR_print_errors(out);
1003 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
1005 BIO_puts(out, "\tThis Update: ");
1006 ASN1_GENERALIZEDTIME_print(out, thisupd);
1007 BIO_puts(out, "\n");
1010 BIO_puts(out, "\tNext Update: ");
1011 ASN1_GENERALIZEDTIME_print(out, nextupd);
1012 BIO_puts(out, "\n");
1015 if (status != V_OCSP_CERTSTATUS_REVOKED)
1019 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
1021 BIO_puts(out, "\tRevocation Time: ");
1022 ASN1_GENERALIZEDTIME_print(out, rev);
1023 BIO_puts(out, "\n");
1028 static void make_ocsp_response(BIO *err, OCSP_RESPONSE **resp, OCSP_REQUEST *req,
1029 CA_DB *db, STACK_OF(X509) *ca, X509 *rcert,
1030 EVP_PKEY *rkey, const EVP_MD *rmd,
1031 STACK_OF(OPENSSL_STRING) *sigopts,
1032 STACK_OF(X509) *rother, unsigned long flags,
1033 int nmin, int ndays, int badsig,
1034 const EVP_MD *resp_md)
1036 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
1038 OCSP_BASICRESP *bs = NULL;
1040 EVP_MD_CTX *mctx = NULL;
1041 EVP_PKEY_CTX *pkctx = NULL;
1043 id_count = OCSP_request_onereq_count(req);
1045 if (id_count <= 0) {
1047 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
1051 bs = OCSP_BASICRESP_new();
1052 thisupd = X509_gmtime_adj(NULL, 0);
1054 nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL);
1056 /* Examine each certificate id in the request */
1057 for (i = 0; i < id_count; i++) {
1059 ASN1_INTEGER *serial;
1063 ASN1_OBJECT *cert_id_md_oid;
1064 const EVP_MD *cert_id_md;
1065 OCSP_CERTID *cid_resp_md = NULL;
1067 one = OCSP_request_onereq_get0(req, i);
1068 cid = OCSP_onereq_get0_id(one);
1070 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
1072 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
1073 if (cert_id_md == NULL) {
1074 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
1078 for (jj = 0; jj < sk_X509_num(ca) && !found; jj++) {
1079 X509 *ca_cert = sk_X509_value(ca, jj);
1080 OCSP_CERTID *ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca_cert);
1082 if (OCSP_id_issuer_cmp(ca_id, cid) == 0) {
1084 if (resp_md != NULL)
1085 cid_resp_md = OCSP_cert_to_id(resp_md, NULL, ca_cert);
1087 OCSP_CERTID_free(ca_id);
1089 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
1090 inf = lookup_serial(db, serial);
1092 /* at this point, we can have cid be an alias of cid_resp_md */
1093 cid = (cid_resp_md != NULL) ? cid_resp_md : cid;
1096 OCSP_basic_add1_status(bs, cid,
1097 V_OCSP_CERTSTATUS_UNKNOWN,
1098 0, NULL, thisupd, nextupd);
1102 OCSP_basic_add1_status(bs, cid,
1103 V_OCSP_CERTSTATUS_UNKNOWN,
1104 0, NULL, thisupd, nextupd);
1105 } else if (inf[DB_type][0] == DB_TYPE_VAL) {
1106 OCSP_basic_add1_status(bs, cid,
1107 V_OCSP_CERTSTATUS_GOOD,
1108 0, NULL, thisupd, nextupd);
1109 } else if (inf[DB_type][0] == DB_TYPE_REV) {
1110 ASN1_OBJECT *inst = NULL;
1111 ASN1_TIME *revtm = NULL;
1112 ASN1_GENERALIZEDTIME *invtm = NULL;
1113 OCSP_SINGLERESP *single;
1116 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
1117 single = OCSP_basic_add1_status(bs, cid,
1118 V_OCSP_CERTSTATUS_REVOKED,
1119 reason, revtm, thisupd, nextupd);
1120 if (single == NULL) {
1121 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
1126 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
1128 else if (inst != NULL)
1129 OCSP_SINGLERESP_add1_ext_i2d(single,
1130 NID_hold_instruction_code, inst,
1132 ASN1_OBJECT_free(inst);
1133 ASN1_TIME_free(revtm);
1134 ASN1_GENERALIZEDTIME_free(invtm);
1136 OCSP_CERTID_free(cid_resp_md);
1139 OCSP_copy_nonce(bs, req);
1141 mctx = EVP_MD_CTX_new();
1142 if (mctx == NULL || !EVP_DigestSignInit(mctx, &pkctx, rmd, NULL, rkey)) {
1143 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, NULL);
1146 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1147 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1149 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1150 BIO_printf(err, "parameter error \"%s\"\n", sigopt);
1151 ERR_print_errors(bio_err);
1152 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
1157 if (!OCSP_basic_sign_ctx(bs, rcert, mctx, rother, flags)) {
1158 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, bs);
1163 const ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs);
1164 corrupt_signature(sig);
1167 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
1170 EVP_MD_CTX_free(mctx);
1171 ASN1_TIME_free(thisupd);
1172 ASN1_TIME_free(nextupd);
1173 OCSP_BASICRESP_free(bs);
1176 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
1180 char *itmp, *row[DB_NUMBER], **rrow;
1181 for (i = 0; i < DB_NUMBER; i++)
1183 bn = ASN1_INTEGER_to_BN(ser, NULL);
1184 OPENSSL_assert(bn); /* FIXME: should report an error at this
1185 * point and abort */
1186 if (BN_is_zero(bn)) {
1187 itmp = OPENSSL_strdup("00");
1188 OPENSSL_assert(itmp);
1190 itmp = BN_bn2hex(bn);
1192 row[DB_serial] = itmp;
1194 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
1199 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
1202 #ifndef OPENSSL_NO_SOCK
1203 return http_server_get_asn1_req(ASN1_ITEM_rptr(OCSP_REQUEST),
1204 (ASN1_VALUE **)preq, NULL, pcbio, acbio,
1205 NULL /* found_keep_alive */,
1206 prog, 1 /* accept_get */, timeout);
1209 "Error getting OCSP request - sockets not supported\n");
1215 static int send_ocsp_response(BIO *cbio, const OCSP_RESPONSE *resp)
1217 #ifndef OPENSSL_NO_SOCK
1218 return http_server_send_asn1_resp(prog, cbio,
1219 0 /* no keep-alive */,
1220 "application/ocsp-response",
1221 ASN1_ITEM_rptr(OCSP_RESPONSE),
1222 (const ASN1_VALUE *)resp);
1225 "Error sending OCSP response - sockets not supported\n");
1230 #ifndef OPENSSL_NO_SOCK
1231 OCSP_RESPONSE *process_responder(OCSP_REQUEST *req, const char *host,
1232 const char *port, const char *path,
1233 const char *proxy, const char *no_proxy,
1234 int use_ssl, STACK_OF(CONF_VALUE) *headers,
1237 SSL_CTX *ctx = NULL;
1238 OCSP_RESPONSE *resp = NULL;
1241 ctx = SSL_CTX_new(TLS_client_method());
1243 BIO_printf(bio_err, "Error creating SSL context.\n");
1248 resp = (OCSP_RESPONSE *)
1249 app_http_post_asn1(host, port, path, proxy, no_proxy,
1250 ctx, headers, "application/ocsp-request",
1251 (ASN1_VALUE *)req, ASN1_ITEM_rptr(OCSP_REQUEST),
1252 "application/ocsp-response",
1253 req_timeout, ASN1_ITEM_rptr(OCSP_RESPONSE));
1256 BIO_printf(bio_err, "Error querying OCSP responder\n");