2 * Copyright 2001-2018 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
26 /* Needs to be included before the openssl headers */
29 # include <openssl/e_os2.h>
30 # include <openssl/crypto.h>
31 # include <openssl/err.h>
32 # include <openssl/ssl.h>
33 # include <openssl/evp.h>
34 # include <openssl/bn.h>
35 # include <openssl/x509v3.h>
37 /* Maximum leeway in validity period: default 5 minutes */
38 # define MAX_VALIDITY_PERIOD (5 * 60)
40 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
41 const EVP_MD *cert_id_md, X509 *issuer,
42 STACK_OF(OCSP_CERTID) *ids);
43 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
44 const EVP_MD *cert_id_md, X509 *issuer,
45 STACK_OF(OCSP_CERTID) *ids);
46 static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
47 STACK_OF(OPENSSL_STRING) *names,
48 STACK_OF(OCSP_CERTID) *ids, long nsec,
50 static void make_ocsp_response(BIO *err, OCSP_RESPONSE **resp, OCSP_REQUEST *req,
51 CA_DB *db, STACK_OF(X509) *ca, X509 *rcert,
52 EVP_PKEY *rkey, const EVP_MD *md,
53 STACK_OF(OPENSSL_STRING) *sigopts,
54 STACK_OF(X509) *rother, unsigned long flags,
55 int nmin, int ndays, int badsig);
57 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
58 static BIO *init_responder(const char *port);
59 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio);
60 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
62 # ifndef OPENSSL_NO_SOCK
63 static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
65 const STACK_OF(CONF_VALUE) *headers,
66 OCSP_REQUEST *req, int req_timeout);
69 typedef enum OPTION_choice {
70 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
71 OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT,
72 OPT_IGNORE_ERR, OPT_NOVERIFY, OPT_NONCE, OPT_NO_NONCE,
73 OPT_RESP_NO_CERTS, OPT_RESP_KEY_ID, OPT_NO_CERTS,
74 OPT_NO_SIGNATURE_VERIFY, OPT_NO_CERT_VERIFY, OPT_NO_CHAIN,
75 OPT_NO_CERT_CHECKS, OPT_NO_EXPLICIT, OPT_TRUST_OTHER,
76 OPT_NO_INTERN, OPT_BADSIG, OPT_TEXT, OPT_REQ_TEXT, OPT_RESP_TEXT,
77 OPT_REQIN, OPT_RESPIN, OPT_SIGNER, OPT_VAFILE, OPT_SIGN_OTHER,
78 OPT_VERIFY_OTHER, OPT_CAFILE, OPT_CAPATH, OPT_NOCAFILE, OPT_NOCAPATH,
79 OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT,
80 OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL,
81 OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER,
82 OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_RSIGOPT, OPT_HEADER,
87 const OPTIONS ocsp_options[] = {
88 {"help", OPT_HELP, '-', "Display this summary"},
89 {"out", OPT_OUTFILE, '>', "Output filename"},
90 {"timeout", OPT_TIMEOUT, 'p',
91 "Connection timeout (in seconds) to the OCSP responder"},
92 {"url", OPT_URL, 's', "Responder URL"},
93 {"host", OPT_HOST, 's', "TCP/IP hostname:port to connect to"},
94 {"port", OPT_PORT, 'p', "Port to run responder on"},
95 {"ignore_err", OPT_IGNORE_ERR, '-',
96 "Ignore error on OCSP request or response and continue running"},
97 {"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"},
98 {"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"},
99 {"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"},
100 {"resp_no_certs", OPT_RESP_NO_CERTS, '-',
101 "Don't include any certificates in response"},
102 {"resp_key_id", OPT_RESP_KEY_ID, '-',
103 "Identify response by signing certificate key ID"},
104 {"no_certs", OPT_NO_CERTS, '-',
105 "Don't include any certificates in signed request"},
106 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-',
107 "Don't check signature on response"},
108 {"no_cert_verify", OPT_NO_CERT_VERIFY, '-',
109 "Don't check signing certificate"},
110 {"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"},
111 {"no_cert_checks", OPT_NO_CERT_CHECKS, '-',
112 "Don't do additional checks on signing certificate"},
113 {"no_explicit", OPT_NO_EXPLICIT, '-',
114 "Do not explicitly check the chain, just verify the root"},
115 {"trust_other", OPT_TRUST_OTHER, '-',
116 "Don't verify additional certificates"},
117 {"no_intern", OPT_NO_INTERN, '-',
118 "Don't search certificates contained in response for signer"},
119 {"badsig", OPT_BADSIG, '-',
120 "Corrupt last byte of loaded OSCP response signature (for test)"},
121 {"text", OPT_TEXT, '-', "Print text form of request and response"},
122 {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"},
123 {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"},
124 {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"},
125 {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"},
126 {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"},
127 {"VAfile", OPT_VAFILE, '<', "Validator certificates file"},
128 {"sign_other", OPT_SIGN_OTHER, '<',
129 "Additional certificates to include in signed request"},
130 {"verify_other", OPT_VERIFY_OTHER, '<',
131 "Additional certificates to search for signer"},
132 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
133 {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"},
134 {"no-CAfile", OPT_NOCAFILE, '-',
135 "Do not load the default certificates file"},
136 {"no-CApath", OPT_NOCAPATH, '-',
137 "Do not load certificates from the default certificates directory"},
138 {"validity_period", OPT_VALIDITY_PERIOD, 'u',
139 "Maximum validity discrepancy in seconds"},
140 {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"},
141 {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"},
142 {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"},
143 {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"},
144 {"path", OPT_PATH, 's', "Path to use in OCSP request"},
145 {"issuer", OPT_ISSUER, '<', "Issuer certificate"},
146 {"cert", OPT_CERT, '<', "Certificate to check"},
147 {"serial", OPT_SERIAL, 's', "Serial number to check"},
148 {"index", OPT_INDEX, '<', "Certificate status index file"},
149 {"CA", OPT_CA, '<', "CA certificate"},
150 {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"},
151 {"nrequest", OPT_REQUEST, 'p',
152 "Number of requests to accept (default unlimited)"},
153 {"ndays", OPT_NDAYS, 'p', "Number of days before next update"},
154 {"rsigner", OPT_RSIGNER, '<',
155 "Responder certificate to sign responses with"},
156 {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"},
157 {"rother", OPT_ROTHER, '<', "Other certificates to include in response"},
158 {"rmd", OPT_RMD, 's', "Digest Algorithm to use in signature of OCSP response"},
159 {"rsigopt", OPT_RSIGOPT, 's', "OCSP response signature parameter in n:v form"},
160 {"header", OPT_HEADER, 's', "key=value header to add"},
161 {"", OPT_MD, '-', "Any supported digest algorithm (sha1,sha256, ... )"},
166 int ocsp_main(int argc, char **argv)
168 BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
169 const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
170 STACK_OF(OPENSSL_STRING) *rsign_sigopts = NULL;
173 EVP_PKEY *key = NULL, *rkey = NULL;
174 OCSP_BASICRESP *bs = NULL;
175 OCSP_REQUEST *req = NULL;
176 OCSP_RESPONSE *resp = NULL;
177 STACK_OF(CONF_VALUE) *headers = NULL;
178 STACK_OF(OCSP_CERTID) *ids = NULL;
179 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
180 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
181 STACK_OF(X509) *issuers = NULL;
182 X509 *issuer = NULL, *cert = NULL;
183 STACK_OF(X509) *rca_cert = NULL;
184 X509 *signer = NULL, *rsigner = NULL;
185 X509_STORE *store = NULL;
186 X509_VERIFY_PARAM *vpm = NULL;
187 const char *CAfile = NULL, *CApath = NULL;
188 char *header, *value;
189 char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
190 char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
191 char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
192 char *rsignfile = NULL, *rkeyfile = NULL;
193 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
194 char *signfile = NULL, *keyfile = NULL;
195 char *thost = NULL, *tport = NULL, *tpath = NULL;
196 int noCAfile = 0, noCApath = 0;
197 int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
198 int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
199 int req_text = 0, resp_text = 0, ret = 1;
200 #ifndef OPENSSL_NO_SOCK
201 int req_timeout = -1;
203 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
204 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
208 reqnames = sk_OPENSSL_STRING_new_null();
209 if (reqnames == NULL)
211 ids = sk_OCSP_CERTID_new_null();
214 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
217 prog = opt_init(argc, argv, ocsp_options);
218 while ((o = opt_next()) != OPT_EOF) {
223 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
227 opt_help(ocsp_options);
233 #ifndef OPENSSL_NO_SOCK
234 req_timeout = atoi(opt_arg());
241 thost = tport = tpath = NULL;
242 if (!OCSP_parse_url(opt_arg(), &host, &port, &path, &use_ssl)) {
243 BIO_printf(bio_err, "%s Error parsing URL\n", prog);
268 case OPT_RESP_NO_CERTS:
269 rflags |= OCSP_NOCERTS;
271 case OPT_RESP_KEY_ID:
272 rflags |= OCSP_RESPID_KEY;
275 sign_flags |= OCSP_NOCERTS;
277 case OPT_NO_SIGNATURE_VERIFY:
278 verify_flags |= OCSP_NOSIGS;
280 case OPT_NO_CERT_VERIFY:
281 verify_flags |= OCSP_NOVERIFY;
284 verify_flags |= OCSP_NOCHAIN;
286 case OPT_NO_CERT_CHECKS:
287 verify_flags |= OCSP_NOCHECKS;
289 case OPT_NO_EXPLICIT:
290 verify_flags |= OCSP_NOEXPLICIT;
292 case OPT_TRUST_OTHER:
293 verify_flags |= OCSP_TRUSTOTHER;
296 verify_flags |= OCSP_NOINTERN;
302 req_text = resp_text = 1;
317 signfile = opt_arg();
320 verify_certfile = opt_arg();
321 verify_flags |= OCSP_TRUSTOTHER;
324 sign_certfile = opt_arg();
326 case OPT_VERIFY_OTHER:
327 verify_certfile = opt_arg();
342 if (!opt_verify(o, vpm))
346 case OPT_VALIDITY_PERIOD:
347 opt_long(opt_arg(), &nsec);
350 opt_long(opt_arg(), &maxage);
365 issuer = load_cert(opt_arg(), FORMAT_PEM, "issuer certificate");
368 if (issuers == NULL) {
369 if ((issuers = sk_X509_new_null()) == NULL)
372 sk_X509_push(issuers, issuer);
376 cert = load_cert(opt_arg(), FORMAT_PEM, "certificate");
379 if (cert_id_md == NULL)
380 cert_id_md = EVP_sha1();
381 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
383 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
388 if (cert_id_md == NULL)
389 cert_id_md = EVP_sha1();
390 if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
392 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
397 ridx_filename = opt_arg();
400 rca_filename = opt_arg();
403 opt_int(opt_arg(), &nmin);
408 opt_int(opt_arg(), &accept_count);
411 ndays = atoi(opt_arg());
414 rsignfile = opt_arg();
417 rkeyfile = opt_arg();
420 rcertfile = opt_arg();
422 case OPT_RMD: /* Response MessageDigest */
423 if (!opt_md(opt_arg(), &rsign_md))
427 if (rsign_sigopts == NULL)
428 rsign_sigopts = sk_OPENSSL_STRING_new_null();
429 if (rsign_sigopts == NULL || !sk_OPENSSL_STRING_push(rsign_sigopts, opt_arg()))
434 value = strchr(header, '=');
436 BIO_printf(bio_err, "Missing = in header key=value\n");
440 if (!X509V3_add_value(header, value, &headers))
446 "%s: Digest must be before -cert or -serial\n",
450 if (!opt_md(opt_unknown(), &cert_id_md))
458 BIO_printf(bio_err, "%s: Digest must be before -cert or -serial\n",
462 argc = opt_num_rest();
466 /* Have we anything to do? */
467 if (req == NULL&& reqin == NULL
468 && respin == NULL && !(port != NULL && ridx_filename != NULL))
471 out = bio_open_default(outfile, 'w', FORMAT_TEXT);
475 if (req == NULL && (add_nonce != 2))
478 if (req == NULL && reqin != NULL) {
479 derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
482 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
485 BIO_printf(bio_err, "Error reading OCSP request\n");
490 if (req == NULL && port != NULL) {
491 acbio = init_responder(port);
496 if (rsignfile != NULL) {
497 if (rkeyfile == NULL)
498 rkeyfile = rsignfile;
499 rsigner = load_cert(rsignfile, FORMAT_PEM, "responder certificate");
500 if (rsigner == NULL) {
501 BIO_printf(bio_err, "Error loading responder certificate\n");
504 if (!load_certs(rca_filename, &rca_cert, FORMAT_PEM,
505 NULL, "CA certificate"))
507 if (rcertfile != NULL) {
508 if (!load_certs(rcertfile, &rother, FORMAT_PEM, NULL,
509 "responder other certificates"))
512 rkey = load_key(rkeyfile, FORMAT_PEM, 0, NULL, NULL,
513 "responder private key");
518 BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
523 if (!do_responder(&req, &cbio, acbio))
527 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
529 send_ocsp_response(cbio, resp);
535 && (signfile != NULL || reqout != NULL
536 || host != NULL || add_nonce || ridx_filename != NULL)) {
537 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
541 if (req != NULL && add_nonce)
542 OCSP_request_add1_nonce(req, NULL, -1);
544 if (signfile != NULL) {
547 signer = load_cert(signfile, FORMAT_PEM, "signer certificate");
548 if (signer == NULL) {
549 BIO_printf(bio_err, "Error loading signer certificate\n");
552 if (sign_certfile != NULL) {
553 if (!load_certs(sign_certfile, &sign_other, FORMAT_PEM, NULL,
554 "signer certificates"))
557 key = load_key(keyfile, FORMAT_PEM, 0, NULL, NULL,
558 "signer private key");
562 if (!OCSP_request_sign
563 (req, signer, key, NULL, sign_other, sign_flags)) {
564 BIO_printf(bio_err, "Error signing OCSP request\n");
569 if (req_text && req != NULL)
570 OCSP_REQUEST_print(out, req, 0);
572 if (reqout != NULL) {
573 derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
576 i2d_OCSP_REQUEST_bio(derbio, req);
580 if (ridx_filename != NULL
581 && (rkey == NULL || rsigner == NULL || rca_cert == NULL)) {
583 "Need a responder certificate, key and CA for this operation!\n");
587 if (ridx_filename != NULL && rdb == NULL) {
588 rdb = load_index(ridx_filename, NULL);
591 if (!index_index(rdb))
596 make_ocsp_response(bio_err, &resp, req, rdb, rca_cert, rsigner, rkey,
597 rsign_md, rsign_sigopts, rother, rflags, nmin, ndays, badsig);
599 send_ocsp_response(cbio, resp);
600 } else if (host != NULL) {
601 # ifndef OPENSSL_NO_SOCK
602 resp = process_responder(req, host, path,
603 port, use_ssl, headers, req_timeout);
608 "Error creating connect BIO - sockets not supported.\n");
611 } else if (respin != NULL) {
612 derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
615 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
618 BIO_printf(bio_err, "Error reading OCSP response\n");
628 if (respout != NULL) {
629 derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
632 i2d_OCSP_RESPONSE_bio(derbio, resp);
636 i = OCSP_response_status(resp);
637 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
638 BIO_printf(out, "Responder Error: %s (%d)\n",
639 OCSP_response_status_str(i), i);
647 OCSP_RESPONSE_print(out, resp, 0);
649 /* If running as responder don't verify our own response */
651 /* If not unlimited, see if we took all we should. */
652 if (accept_count != -1 && --accept_count <= 0) {
658 OCSP_REQUEST_free(req);
660 OCSP_RESPONSE_free(resp);
664 if (ridx_filename != NULL) {
670 store = setup_verify(CAfile, CApath, noCAfile, noCApath);
675 X509_STORE_set1_param(store, vpm);
676 if (verify_certfile != NULL) {
677 if (!load_certs(verify_certfile, &verify_other, FORMAT_PEM, NULL,
678 "validator certificate"))
682 bs = OCSP_response_get1_basic(resp);
684 BIO_printf(bio_err, "Error parsing response\n");
691 if (req != NULL && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
693 BIO_printf(bio_err, "WARNING: no nonce in response\n");
695 BIO_printf(bio_err, "Nonce Verify error\n");
701 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
702 if (i <= 0 && issuers) {
703 i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
708 BIO_printf(bio_err, "Response Verify Failure\n");
709 ERR_print_errors(bio_err);
712 BIO_printf(bio_err, "Response verify OK\n");
716 print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage);
719 ERR_print_errors(bio_err);
721 X509_STORE_free(store);
722 X509_VERIFY_PARAM_free(vpm);
723 sk_OPENSSL_STRING_free(rsign_sigopts);
727 sk_X509_pop_free(issuers, X509_free);
729 sk_X509_pop_free(rca_cert, X509_free);
734 OCSP_REQUEST_free(req);
735 OCSP_RESPONSE_free(resp);
736 OCSP_BASICRESP_free(bs);
737 sk_OPENSSL_STRING_free(reqnames);
738 sk_OCSP_CERTID_free(ids);
739 sk_X509_pop_free(sign_other, X509_free);
740 sk_X509_pop_free(verify_other, X509_free);
741 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
749 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
750 const EVP_MD *cert_id_md, X509 *issuer,
751 STACK_OF(OCSP_CERTID) *ids)
755 if (issuer == NULL) {
756 BIO_printf(bio_err, "No issuer certificate specified\n");
760 *req = OCSP_REQUEST_new();
763 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
764 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
766 if (!OCSP_request_add0_id(*req, id))
771 BIO_printf(bio_err, "Error Creating OCSP request\n");
775 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
776 const EVP_MD *cert_id_md, X509 *issuer,
777 STACK_OF(OCSP_CERTID) *ids)
781 ASN1_BIT_STRING *ikey;
784 if (issuer == NULL) {
785 BIO_printf(bio_err, "No issuer certificate specified\n");
789 *req = OCSP_REQUEST_new();
792 iname = X509_get_subject_name(issuer);
793 ikey = X509_get0_pubkey_bitstr(issuer);
794 sno = s2i_ASN1_INTEGER(NULL, serial);
796 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
799 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
800 ASN1_INTEGER_free(sno);
801 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
803 if (!OCSP_request_add0_id(*req, id))
808 BIO_printf(bio_err, "Error Creating OCSP request\n");
812 static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
813 STACK_OF(OPENSSL_STRING) *names,
814 STACK_OF(OCSP_CERTID) *ids, long nsec,
819 int i, status, reason;
820 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
822 if (bs == NULL || req == NULL || !sk_OPENSSL_STRING_num(names)
823 || !sk_OCSP_CERTID_num(ids))
826 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
827 id = sk_OCSP_CERTID_value(ids, i);
828 name = sk_OPENSSL_STRING_value(names, i);
829 BIO_printf(out, "%s: ", name);
831 if (!OCSP_resp_find_status(bs, id, &status, &reason,
832 &rev, &thisupd, &nextupd)) {
833 BIO_puts(out, "ERROR: No Status found.\n");
838 * Check validity: if invalid write to output BIO so we know which
839 * response this refers to.
841 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
842 BIO_puts(out, "WARNING: Status times invalid.\n");
843 ERR_print_errors(out);
845 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
847 BIO_puts(out, "\tThis Update: ");
848 ASN1_GENERALIZEDTIME_print(out, thisupd);
852 BIO_puts(out, "\tNext Update: ");
853 ASN1_GENERALIZEDTIME_print(out, nextupd);
857 if (status != V_OCSP_CERTSTATUS_REVOKED)
861 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
863 BIO_puts(out, "\tRevocation Time: ");
864 ASN1_GENERALIZEDTIME_print(out, rev);
869 static void make_ocsp_response(BIO *err, OCSP_RESPONSE **resp, OCSP_REQUEST *req,
870 CA_DB *db, STACK_OF(X509) *ca, X509 *rcert,
871 EVP_PKEY *rkey, const EVP_MD *rmd,
872 STACK_OF(OPENSSL_STRING) *sigopts,
873 STACK_OF(X509) *rother, unsigned long flags,
874 int nmin, int ndays, int badsig)
876 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
878 OCSP_BASICRESP *bs = NULL;
880 EVP_MD_CTX *mctx = NULL;
881 EVP_PKEY_CTX *pkctx = NULL;
883 id_count = OCSP_request_onereq_count(req);
887 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
891 bs = OCSP_BASICRESP_new();
892 thisupd = X509_gmtime_adj(NULL, 0);
894 nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL);
896 /* Examine each certificate id in the request */
897 for (i = 0; i < id_count; i++) {
899 ASN1_INTEGER *serial;
903 ASN1_OBJECT *cert_id_md_oid;
904 const EVP_MD *cert_id_md;
905 one = OCSP_request_onereq_get0(req, i);
906 cid = OCSP_onereq_get0_id(one);
908 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
910 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
911 if (cert_id_md == NULL) {
912 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
916 for (jj = 0; jj < sk_X509_num(ca) && !found; jj++) {
917 X509 *ca_cert = sk_X509_value(ca, jj);
918 OCSP_CERTID *ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca_cert);
920 if (OCSP_id_issuer_cmp(ca_id, cid) == 0)
923 OCSP_CERTID_free(ca_id);
927 OCSP_basic_add1_status(bs, cid,
928 V_OCSP_CERTSTATUS_UNKNOWN,
929 0, NULL, thisupd, nextupd);
932 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
933 inf = lookup_serial(db, serial);
935 OCSP_basic_add1_status(bs, cid,
936 V_OCSP_CERTSTATUS_UNKNOWN,
937 0, NULL, thisupd, nextupd);
938 } else if (inf[DB_type][0] == DB_TYPE_VAL) {
939 OCSP_basic_add1_status(bs, cid,
940 V_OCSP_CERTSTATUS_GOOD,
941 0, NULL, thisupd, nextupd);
942 } else if (inf[DB_type][0] == DB_TYPE_REV) {
943 ASN1_OBJECT *inst = NULL;
944 ASN1_TIME *revtm = NULL;
945 ASN1_GENERALIZEDTIME *invtm = NULL;
946 OCSP_SINGLERESP *single;
948 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
949 single = OCSP_basic_add1_status(bs, cid,
950 V_OCSP_CERTSTATUS_REVOKED,
951 reason, revtm, thisupd, nextupd);
953 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
955 else if (inst != NULL)
956 OCSP_SINGLERESP_add1_ext_i2d(single,
957 NID_hold_instruction_code, inst,
959 ASN1_OBJECT_free(inst);
960 ASN1_TIME_free(revtm);
961 ASN1_GENERALIZEDTIME_free(invtm);
965 OCSP_copy_nonce(bs, req);
967 mctx = EVP_MD_CTX_new();
968 if ( mctx == NULL || !EVP_DigestSignInit(mctx, &pkctx, rmd, NULL, rkey)) {
969 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, NULL);
972 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
973 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
975 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
976 BIO_printf(err, "parameter error \"%s\"\n", sigopt);
977 ERR_print_errors(bio_err);
978 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
983 OCSP_basic_sign_ctx(bs, rcert, mctx, rother, flags);
986 const ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs);
987 corrupt_signature(sig);
990 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
993 EVP_MD_CTX_free(mctx);
994 ASN1_TIME_free(thisupd);
995 ASN1_TIME_free(nextupd);
996 OCSP_BASICRESP_free(bs);
999 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
1003 char *itmp, *row[DB_NUMBER], **rrow;
1004 for (i = 0; i < DB_NUMBER; i++)
1006 bn = ASN1_INTEGER_to_BN(ser, NULL);
1007 OPENSSL_assert(bn); /* FIXME: should report an error at this
1008 * point and abort */
1010 itmp = OPENSSL_strdup("00");
1012 itmp = BN_bn2hex(bn);
1013 row[DB_serial] = itmp;
1015 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
1020 /* Quick and dirty OCSP server: read in and parse input request */
1022 static BIO *init_responder(const char *port)
1024 # ifdef OPENSSL_NO_SOCK
1026 "Error setting up accept BIO - sockets not supported.\n");
1029 BIO *acbio = NULL, *bufbio = NULL;
1031 bufbio = BIO_new(BIO_f_buffer());
1034 acbio = BIO_new(BIO_s_accept());
1036 || BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR) < 0
1037 || BIO_set_accept_port(acbio, port) < 0) {
1038 BIO_printf(bio_err, "Error setting up accept BIO\n");
1039 ERR_print_errors(bio_err);
1043 BIO_set_accept_bios(acbio, bufbio);
1045 if (BIO_do_accept(acbio) <= 0) {
1046 BIO_printf(bio_err, "Error starting accept\n");
1047 ERR_print_errors(bio_err);
1054 BIO_free_all(acbio);
1060 # ifndef OPENSSL_NO_SOCK
1062 * Decode %xx URL-decoding in-place. Ignores mal-formed sequences.
1064 static int urldecode(char *p)
1066 unsigned char *out = (unsigned char *)p;
1067 unsigned char *save = out;
1072 else if (isxdigit(_UC(p[1])) && isxdigit(_UC(p[2]))) {
1073 /* Don't check, can't fail because of ixdigit() call. */
1074 *out++ = (OPENSSL_hexchar2int(p[1]) << 4)
1075 | OPENSSL_hexchar2int(p[2]);
1082 return (int)(out - save);
1086 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio)
1088 # ifdef OPENSSL_NO_SOCK
1092 OCSP_REQUEST *req = NULL;
1093 char inbuf[2048], reqbuf[2048];
1095 BIO *cbio = NULL, *getbio = NULL, *b64 = NULL;
1097 if (BIO_do_accept(acbio) <= 0) {
1098 BIO_printf(bio_err, "Error accepting connection\n");
1099 ERR_print_errors(bio_err);
1103 cbio = BIO_pop(acbio);
1106 /* Read the request line. */
1107 len = BIO_gets(cbio, reqbuf, sizeof(reqbuf));
1110 if (strncmp(reqbuf, "GET ", 4) == 0) {
1111 /* Expecting GET {sp} /URL {sp} HTTP/1.x */
1112 for (p = reqbuf + 4; *p == ' '; ++p)
1115 BIO_printf(bio_err, "Invalid request -- bad URL\n");
1120 /* Splice off the HTTP version identifier. */
1121 for (q = p; *q; q++)
1124 if (strncmp(q, " HTTP/1.", 8) != 0) {
1125 BIO_printf(bio_err, "Invalid request -- bad HTTP version\n");
1131 BIO_printf(bio_err, "Invalid request -- bad URL encoding\n");
1134 if ((getbio = BIO_new_mem_buf(p, len)) == NULL
1135 || (b64 = BIO_new(BIO_f_base64())) == NULL) {
1136 BIO_printf(bio_err, "Could not allocate memory\n");
1137 ERR_print_errors(bio_err);
1140 BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1141 getbio = BIO_push(b64, getbio);
1142 } else if (strncmp(reqbuf, "POST ", 5) != 0) {
1143 BIO_printf(bio_err, "Invalid request -- bad HTTP verb\n");
1147 /* Read and skip past the headers. */
1149 len = BIO_gets(cbio, inbuf, sizeof(inbuf));
1152 if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
1156 /* Try to read OCSP request */
1157 if (getbio != NULL) {
1158 req = d2i_OCSP_REQUEST_bio(getbio, NULL);
1159 BIO_free_all(getbio);
1161 req = d2i_OCSP_REQUEST_bio(cbio, NULL);
1165 BIO_printf(bio_err, "Error parsing OCSP request\n");
1166 ERR_print_errors(bio_err);
1175 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
1178 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1179 "Content-Length: %d\r\n\r\n";
1182 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
1183 i2d_OCSP_RESPONSE_bio(cbio, resp);
1184 (void)BIO_flush(cbio);
1188 # ifndef OPENSSL_NO_SOCK
1189 static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
1191 const STACK_OF(CONF_VALUE) *headers,
1192 OCSP_REQUEST *req, int req_timeout)
1198 OCSP_REQ_CTX *ctx = NULL;
1199 OCSP_RESPONSE *rsp = NULL;
1203 if (req_timeout != -1)
1204 BIO_set_nbio(cbio, 1);
1206 rv = BIO_do_connect(cbio);
1208 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) {
1209 BIO_puts(bio_err, "Error connecting BIO\n");
1213 if (BIO_get_fd(cbio, &fd) < 0) {
1214 BIO_puts(bio_err, "Can't get connection fd\n");
1218 if (req_timeout != -1 && rv <= 0) {
1220 openssl_fdset(fd, &confds);
1222 tv.tv_sec = req_timeout;
1223 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1225 BIO_puts(bio_err, "Timeout on connect\n");
1230 ctx = OCSP_sendreq_new(cbio, path, NULL, -1);
1234 for (i = 0; i < sk_CONF_VALUE_num(headers); i++) {
1235 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i);
1236 if (add_host == 1 && strcasecmp("host", hdr->name) == 0)
1238 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value))
1242 if (add_host == 1 && OCSP_REQ_CTX_add1_header(ctx, "Host", host) == 0)
1245 if (!OCSP_REQ_CTX_set1_req(ctx, req))
1249 rv = OCSP_sendreq_nbio(&rsp, ctx);
1252 if (req_timeout == -1)
1255 openssl_fdset(fd, &confds);
1257 tv.tv_sec = req_timeout;
1258 if (BIO_should_read(cbio)) {
1259 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv);
1260 } else if (BIO_should_write(cbio)) {
1261 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1263 BIO_puts(bio_err, "Unexpected retry condition\n");
1267 BIO_puts(bio_err, "Timeout on request\n");
1271 BIO_puts(bio_err, "Select error\n");
1277 OCSP_REQ_CTX_free(ctx);
1282 OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,
1283 const char *host, const char *path,
1284 const char *port, int use_ssl,
1285 STACK_OF(CONF_VALUE) *headers,
1289 SSL_CTX *ctx = NULL;
1290 OCSP_RESPONSE *resp = NULL;
1292 cbio = BIO_new_connect(host);
1294 BIO_printf(bio_err, "Error creating connect BIO\n");
1298 BIO_set_conn_port(cbio, port);
1301 ctx = SSL_CTX_new(TLS_client_method());
1303 BIO_printf(bio_err, "Error creating SSL context.\n");
1306 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
1307 sbio = BIO_new_ssl(ctx, 1);
1308 cbio = BIO_push(sbio, cbio);
1311 resp = query_responder(cbio, host, path, headers, req, req_timeout);
1313 BIO_printf(bio_err, "Error querying OCSP responder\n");