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 */
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 /* Maximum leeway in validity period: default 5 minutes */
37 # define MAX_VALIDITY_PERIOD (5 * 60)
39 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
40 const EVP_MD *cert_id_md, X509 *issuer,
41 STACK_OF(OCSP_CERTID) *ids);
42 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
43 const EVP_MD *cert_id_md, X509 *issuer,
44 STACK_OF(OCSP_CERTID) *ids);
45 static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
46 STACK_OF(OPENSSL_STRING) *names,
47 STACK_OF(OCSP_CERTID) *ids, long nsec,
49 static void make_ocsp_response(BIO *err, OCSP_RESPONSE **resp, OCSP_REQUEST *req,
50 CA_DB *db, STACK_OF(X509) *ca, X509 *rcert,
51 EVP_PKEY *rkey, const EVP_MD *md,
52 STACK_OF(OPENSSL_STRING) *sigopts,
53 STACK_OF(X509) *rother, unsigned long flags,
54 int nmin, int ndays, int badsig);
56 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
57 static BIO *init_responder(const char *port);
58 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio);
59 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
61 # ifndef OPENSSL_NO_SOCK
62 static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
64 const STACK_OF(CONF_VALUE) *headers,
65 OCSP_REQUEST *req, int req_timeout);
68 typedef enum OPTION_choice {
69 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
70 OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT,
71 OPT_IGNORE_ERR, OPT_NOVERIFY, OPT_NONCE, OPT_NO_NONCE,
72 OPT_RESP_NO_CERTS, OPT_RESP_KEY_ID, OPT_NO_CERTS,
73 OPT_NO_SIGNATURE_VERIFY, OPT_NO_CERT_VERIFY, OPT_NO_CHAIN,
74 OPT_NO_CERT_CHECKS, OPT_NO_EXPLICIT, OPT_TRUST_OTHER,
75 OPT_NO_INTERN, OPT_BADSIG, OPT_TEXT, OPT_REQ_TEXT, OPT_RESP_TEXT,
76 OPT_REQIN, OPT_RESPIN, OPT_SIGNER, OPT_VAFILE, OPT_SIGN_OTHER,
77 OPT_VERIFY_OTHER, OPT_CAFILE, OPT_CAPATH, OPT_NOCAFILE, OPT_NOCAPATH,
78 OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT,
79 OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL,
80 OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER,
81 OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_RSIGOPT, OPT_HEADER,
86 const OPTIONS ocsp_options[] = {
87 {"help", OPT_HELP, '-', "Display this summary"},
88 {"out", OPT_OUTFILE, '>', "Output filename"},
89 {"timeout", OPT_TIMEOUT, 'p',
90 "Connection timeout (in seconds) to the OCSP responder"},
91 {"url", OPT_URL, 's', "Responder URL"},
92 {"host", OPT_HOST, 's', "TCP/IP hostname:port to connect to"},
93 {"port", OPT_PORT, 'p', "Port to run responder on"},
94 {"ignore_err", OPT_IGNORE_ERR, '-',
95 "Ignore error on OCSP request or response and continue running"},
96 {"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"},
97 {"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"},
98 {"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"},
99 {"resp_no_certs", OPT_RESP_NO_CERTS, '-',
100 "Don't include any certificates in response"},
101 {"resp_key_id", OPT_RESP_KEY_ID, '-',
102 "Identify response by signing certificate key ID"},
103 {"no_certs", OPT_NO_CERTS, '-',
104 "Don't include any certificates in signed request"},
105 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-',
106 "Don't check signature on response"},
107 {"no_cert_verify", OPT_NO_CERT_VERIFY, '-',
108 "Don't check signing certificate"},
109 {"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"},
110 {"no_cert_checks", OPT_NO_CERT_CHECKS, '-',
111 "Don't do additional checks on signing certificate"},
112 {"no_explicit", OPT_NO_EXPLICIT, '-',
113 "Do not explicitly check the chain, just verify the root"},
114 {"trust_other", OPT_TRUST_OTHER, '-',
115 "Don't verify additional certificates"},
116 {"no_intern", OPT_NO_INTERN, '-',
117 "Don't search certificates contained in response for signer"},
118 {"badsig", OPT_BADSIG, '-',
119 "Corrupt last byte of loaded OSCP response signature (for test)"},
120 {"text", OPT_TEXT, '-', "Print text form of request and response"},
121 {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"},
122 {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"},
123 {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"},
124 {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"},
125 {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"},
126 {"VAfile", OPT_VAFILE, '<', "Validator certificates file"},
127 {"sign_other", OPT_SIGN_OTHER, '<',
128 "Additional certificates to include in signed request"},
129 {"verify_other", OPT_VERIFY_OTHER, '<',
130 "Additional certificates to search for signer"},
131 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
132 {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"},
133 {"no-CAfile", OPT_NOCAFILE, '-',
134 "Do not load the default certificates file"},
135 {"no-CApath", OPT_NOCAPATH, '-',
136 "Do not load certificates from the default certificates directory"},
137 {"validity_period", OPT_VALIDITY_PERIOD, 'u',
138 "Maximum validity discrepancy in seconds"},
139 {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"},
140 {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"},
141 {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"},
142 {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"},
143 {"path", OPT_PATH, 's', "Path to use in OCSP request"},
144 {"issuer", OPT_ISSUER, '<', "Issuer certificate"},
145 {"cert", OPT_CERT, '<', "Certificate to check"},
146 {"serial", OPT_SERIAL, 's', "Serial number to check"},
147 {"index", OPT_INDEX, '<', "Certificate status index file"},
148 {"CA", OPT_CA, '<', "CA certificate"},
149 {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"},
150 {"nrequest", OPT_REQUEST, 'p',
151 "Number of requests to accept (default unlimited)"},
152 {"ndays", OPT_NDAYS, 'p', "Number of days before next update"},
153 {"rsigner", OPT_RSIGNER, '<',
154 "Responder certificate to sign responses with"},
155 {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"},
156 {"rother", OPT_ROTHER, '<', "Other certificates to include in response"},
157 {"rmd", OPT_RMD, 's', "Digest Algorithm to use in signature of OCSP response"},
158 {"rsigopt", OPT_RSIGOPT, 's', "OCSP response signature parameter in n:v form"},
159 {"header", OPT_HEADER, 's', "key=value header to add"},
160 {"", OPT_MD, '-', "Any supported digest algorithm (sha1,sha256, ... )"},
165 int ocsp_main(int argc, char **argv)
167 BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
168 const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
169 STACK_OF(OPENSSL_STRING) *rsign_sigopts = NULL;
172 EVP_PKEY *key = NULL, *rkey = NULL;
173 OCSP_BASICRESP *bs = NULL;
174 OCSP_REQUEST *req = NULL;
175 OCSP_RESPONSE *resp = NULL;
176 STACK_OF(CONF_VALUE) *headers = NULL;
177 STACK_OF(OCSP_CERTID) *ids = NULL;
178 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
179 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
180 STACK_OF(X509) *issuers = NULL;
181 X509 *issuer = NULL, *cert = NULL;
182 STACK_OF(X509) *rca_cert = NULL;
183 X509 *signer = NULL, *rsigner = NULL;
184 X509_STORE *store = NULL;
185 X509_VERIFY_PARAM *vpm = NULL;
186 const char *CAfile = NULL, *CApath = NULL;
187 char *header, *value;
188 char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
189 char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
190 char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
191 char *rsignfile = NULL, *rkeyfile = NULL;
192 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
193 char *signfile = NULL, *keyfile = NULL;
194 char *thost = NULL, *tport = NULL, *tpath = NULL;
195 int noCAfile = 0, noCApath = 0;
196 int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
197 int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
198 int req_text = 0, resp_text = 0, ret = 1;
199 #ifndef OPENSSL_NO_SOCK
200 int req_timeout = -1;
202 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
203 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
207 reqnames = sk_OPENSSL_STRING_new_null();
208 if (reqnames == NULL)
210 ids = sk_OCSP_CERTID_new_null();
213 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
216 prog = opt_init(argc, argv, ocsp_options);
217 while ((o = opt_next()) != OPT_EOF) {
222 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
226 opt_help(ocsp_options);
232 #ifndef OPENSSL_NO_SOCK
233 req_timeout = atoi(opt_arg());
240 thost = tport = tpath = NULL;
241 if (!OCSP_parse_url(opt_arg(), &host, &port, &path, &use_ssl)) {
242 BIO_printf(bio_err, "%s Error parsing URL\n", prog);
267 case OPT_RESP_NO_CERTS:
268 rflags |= OCSP_NOCERTS;
270 case OPT_RESP_KEY_ID:
271 rflags |= OCSP_RESPID_KEY;
274 sign_flags |= OCSP_NOCERTS;
276 case OPT_NO_SIGNATURE_VERIFY:
277 verify_flags |= OCSP_NOSIGS;
279 case OPT_NO_CERT_VERIFY:
280 verify_flags |= OCSP_NOVERIFY;
283 verify_flags |= OCSP_NOCHAIN;
285 case OPT_NO_CERT_CHECKS:
286 verify_flags |= OCSP_NOCHECKS;
288 case OPT_NO_EXPLICIT:
289 verify_flags |= OCSP_NOEXPLICIT;
291 case OPT_TRUST_OTHER:
292 verify_flags |= OCSP_TRUSTOTHER;
295 verify_flags |= OCSP_NOINTERN;
301 req_text = resp_text = 1;
316 signfile = opt_arg();
319 verify_certfile = opt_arg();
320 verify_flags |= OCSP_TRUSTOTHER;
323 sign_certfile = opt_arg();
325 case OPT_VERIFY_OTHER:
326 verify_certfile = opt_arg();
341 if (!opt_verify(o, vpm))
345 case OPT_VALIDITY_PERIOD:
346 opt_long(opt_arg(), &nsec);
349 opt_long(opt_arg(), &maxage);
364 issuer = load_cert(opt_arg(), FORMAT_PEM, "issuer certificate");
367 if (issuers == NULL) {
368 if ((issuers = sk_X509_new_null()) == NULL)
371 sk_X509_push(issuers, issuer);
375 cert = load_cert(opt_arg(), FORMAT_PEM, "certificate");
378 if (cert_id_md == NULL)
379 cert_id_md = EVP_sha1();
380 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
382 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
387 if (cert_id_md == NULL)
388 cert_id_md = EVP_sha1();
389 if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
391 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
396 ridx_filename = opt_arg();
399 rca_filename = opt_arg();
402 opt_int(opt_arg(), &nmin);
407 opt_int(opt_arg(), &accept_count);
410 ndays = atoi(opt_arg());
413 rsignfile = opt_arg();
416 rkeyfile = opt_arg();
419 rcertfile = opt_arg();
421 case OPT_RMD: /* Response MessageDigest */
422 if (!opt_md(opt_arg(), &rsign_md))
426 if (rsign_sigopts == NULL)
427 rsign_sigopts = sk_OPENSSL_STRING_new_null();
428 if (rsign_sigopts == NULL || !sk_OPENSSL_STRING_push(rsign_sigopts, opt_arg()))
433 value = strchr(header, '=');
435 BIO_printf(bio_err, "Missing = in header key=value\n");
439 if (!X509V3_add_value(header, value, &headers))
445 "%s: Digest must be before -cert or -serial\n",
449 if (!opt_md(opt_unknown(), &cert_id_md))
457 BIO_printf(bio_err, "%s: Digest must be before -cert or -serial\n",
461 argc = opt_num_rest();
465 /* Have we anything to do? */
466 if (req == NULL&& reqin == NULL
467 && respin == NULL && !(port != NULL && ridx_filename != NULL))
470 out = bio_open_default(outfile, 'w', FORMAT_TEXT);
474 if (req == NULL && (add_nonce != 2))
477 if (req == NULL && reqin != NULL) {
478 derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
481 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
484 BIO_printf(bio_err, "Error reading OCSP request\n");
489 if (req == NULL && port != NULL) {
490 acbio = init_responder(port);
495 if (rsignfile != NULL) {
496 if (rkeyfile == NULL)
497 rkeyfile = rsignfile;
498 rsigner = load_cert(rsignfile, FORMAT_PEM, "responder certificate");
499 if (rsigner == NULL) {
500 BIO_printf(bio_err, "Error loading responder certificate\n");
503 if (!load_certs(rca_filename, &rca_cert, FORMAT_PEM,
504 NULL, "CA certificate"))
506 if (rcertfile != NULL) {
507 if (!load_certs(rcertfile, &rother, FORMAT_PEM, NULL,
508 "responder other certificates"))
511 rkey = load_key(rkeyfile, FORMAT_PEM, 0, NULL, NULL,
512 "responder private key");
517 BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
522 if (!do_responder(&req, &cbio, acbio))
526 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
528 send_ocsp_response(cbio, resp);
534 && (signfile != NULL || reqout != NULL
535 || host != NULL || add_nonce || ridx_filename != NULL)) {
536 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
540 if (req != NULL && add_nonce)
541 OCSP_request_add1_nonce(req, NULL, -1);
543 if (signfile != NULL) {
546 signer = load_cert(signfile, FORMAT_PEM, "signer certificate");
547 if (signer == NULL) {
548 BIO_printf(bio_err, "Error loading signer certificate\n");
551 if (sign_certfile != NULL) {
552 if (!load_certs(sign_certfile, &sign_other, FORMAT_PEM, NULL,
553 "signer certificates"))
556 key = load_key(keyfile, FORMAT_PEM, 0, NULL, NULL,
557 "signer private key");
561 if (!OCSP_request_sign
562 (req, signer, key, NULL, sign_other, sign_flags)) {
563 BIO_printf(bio_err, "Error signing OCSP request\n");
568 if (req_text && req != NULL)
569 OCSP_REQUEST_print(out, req, 0);
571 if (reqout != NULL) {
572 derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
575 i2d_OCSP_REQUEST_bio(derbio, req);
579 if (ridx_filename != NULL
580 && (rkey == NULL || rsigner == NULL || rca_cert == NULL)) {
582 "Need a responder certificate, key and CA for this operation!\n");
586 if (ridx_filename != NULL && rdb == NULL) {
587 rdb = load_index(ridx_filename, NULL);
590 if (!index_index(rdb))
595 make_ocsp_response(bio_err, &resp, req, rdb, rca_cert, rsigner, rkey,
596 rsign_md, rsign_sigopts, rother, rflags, nmin, ndays, badsig);
598 send_ocsp_response(cbio, resp);
599 } else if (host != NULL) {
600 # ifndef OPENSSL_NO_SOCK
601 resp = process_responder(req, host, path,
602 port, use_ssl, headers, req_timeout);
607 "Error creating connect BIO - sockets not supported.\n");
610 } else if (respin != NULL) {
611 derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
614 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
617 BIO_printf(bio_err, "Error reading OCSP response\n");
627 if (respout != NULL) {
628 derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
631 i2d_OCSP_RESPONSE_bio(derbio, resp);
635 i = OCSP_response_status(resp);
636 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
637 BIO_printf(out, "Responder Error: %s (%d)\n",
638 OCSP_response_status_str(i), i);
646 OCSP_RESPONSE_print(out, resp, 0);
648 /* If running as responder don't verify our own response */
650 /* If not unlimited, see if we took all we should. */
651 if (accept_count != -1 && --accept_count <= 0) {
657 OCSP_REQUEST_free(req);
659 OCSP_RESPONSE_free(resp);
663 if (ridx_filename != NULL) {
669 store = setup_verify(CAfile, CApath, noCAfile, noCApath);
674 X509_STORE_set1_param(store, vpm);
675 if (verify_certfile != NULL) {
676 if (!load_certs(verify_certfile, &verify_other, FORMAT_PEM, NULL,
677 "validator certificate"))
681 bs = OCSP_response_get1_basic(resp);
683 BIO_printf(bio_err, "Error parsing response\n");
690 if (req != NULL && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
692 BIO_printf(bio_err, "WARNING: no nonce in response\n");
694 BIO_printf(bio_err, "Nonce Verify error\n");
700 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
701 if (i <= 0 && issuers) {
702 i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
707 BIO_printf(bio_err, "Response Verify Failure\n");
708 ERR_print_errors(bio_err);
711 BIO_printf(bio_err, "Response verify OK\n");
715 print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage);
718 ERR_print_errors(bio_err);
720 X509_STORE_free(store);
721 X509_VERIFY_PARAM_free(vpm);
722 sk_OPENSSL_STRING_free(rsign_sigopts);
726 sk_X509_pop_free(issuers, X509_free);
728 sk_X509_pop_free(rca_cert, X509_free);
733 OCSP_REQUEST_free(req);
734 OCSP_RESPONSE_free(resp);
735 OCSP_BASICRESP_free(bs);
736 sk_OPENSSL_STRING_free(reqnames);
737 sk_OCSP_CERTID_free(ids);
738 sk_X509_pop_free(sign_other, X509_free);
739 sk_X509_pop_free(verify_other, X509_free);
740 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
748 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
749 const EVP_MD *cert_id_md, X509 *issuer,
750 STACK_OF(OCSP_CERTID) *ids)
754 if (issuer == NULL) {
755 BIO_printf(bio_err, "No issuer certificate specified\n");
759 *req = OCSP_REQUEST_new();
762 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
763 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
765 if (!OCSP_request_add0_id(*req, id))
770 BIO_printf(bio_err, "Error Creating OCSP request\n");
774 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
775 const EVP_MD *cert_id_md, X509 *issuer,
776 STACK_OF(OCSP_CERTID) *ids)
780 ASN1_BIT_STRING *ikey;
783 if (issuer == NULL) {
784 BIO_printf(bio_err, "No issuer certificate specified\n");
788 *req = OCSP_REQUEST_new();
791 iname = X509_get_subject_name(issuer);
792 ikey = X509_get0_pubkey_bitstr(issuer);
793 sno = s2i_ASN1_INTEGER(NULL, serial);
795 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
798 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
799 ASN1_INTEGER_free(sno);
800 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
802 if (!OCSP_request_add0_id(*req, id))
807 BIO_printf(bio_err, "Error Creating OCSP request\n");
811 static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
812 STACK_OF(OPENSSL_STRING) *names,
813 STACK_OF(OCSP_CERTID) *ids, long nsec,
818 int i, status, reason;
819 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
821 if (bs == NULL || req == NULL || !sk_OPENSSL_STRING_num(names)
822 || !sk_OCSP_CERTID_num(ids))
825 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
826 id = sk_OCSP_CERTID_value(ids, i);
827 name = sk_OPENSSL_STRING_value(names, i);
828 BIO_printf(out, "%s: ", name);
830 if (!OCSP_resp_find_status(bs, id, &status, &reason,
831 &rev, &thisupd, &nextupd)) {
832 BIO_puts(out, "ERROR: No Status found.\n");
837 * Check validity: if invalid write to output BIO so we know which
838 * response this refers to.
840 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
841 BIO_puts(out, "WARNING: Status times invalid.\n");
842 ERR_print_errors(out);
844 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
846 BIO_puts(out, "\tThis Update: ");
847 ASN1_GENERALIZEDTIME_print(out, thisupd);
851 BIO_puts(out, "\tNext Update: ");
852 ASN1_GENERALIZEDTIME_print(out, nextupd);
856 if (status != V_OCSP_CERTSTATUS_REVOKED)
860 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
862 BIO_puts(out, "\tRevocation Time: ");
863 ASN1_GENERALIZEDTIME_print(out, rev);
868 static void make_ocsp_response(BIO *err, OCSP_RESPONSE **resp, OCSP_REQUEST *req,
869 CA_DB *db, STACK_OF(X509) *ca, X509 *rcert,
870 EVP_PKEY *rkey, const EVP_MD *rmd,
871 STACK_OF(OPENSSL_STRING) *sigopts,
872 STACK_OF(X509) *rother, unsigned long flags,
873 int nmin, int ndays, int badsig)
875 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
877 OCSP_BASICRESP *bs = NULL;
879 EVP_MD_CTX *mctx = NULL;
880 EVP_PKEY_CTX *pkctx = NULL;
882 id_count = OCSP_request_onereq_count(req);
886 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
890 bs = OCSP_BASICRESP_new();
891 thisupd = X509_gmtime_adj(NULL, 0);
893 nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL);
895 /* Examine each certificate id in the request */
896 for (i = 0; i < id_count; i++) {
898 ASN1_INTEGER *serial;
902 ASN1_OBJECT *cert_id_md_oid;
903 const EVP_MD *cert_id_md;
904 one = OCSP_request_onereq_get0(req, i);
905 cid = OCSP_onereq_get0_id(one);
907 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
909 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
910 if (cert_id_md == NULL) {
911 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
915 for (jj = 0; jj < sk_X509_num(ca) && !found; jj++) {
916 X509 *ca_cert = sk_X509_value(ca, jj);
917 OCSP_CERTID *ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca_cert);
919 if (OCSP_id_issuer_cmp(ca_id, cid) == 0)
922 OCSP_CERTID_free(ca_id);
926 OCSP_basic_add1_status(bs, cid,
927 V_OCSP_CERTSTATUS_UNKNOWN,
928 0, NULL, thisupd, nextupd);
931 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
932 inf = lookup_serial(db, serial);
934 OCSP_basic_add1_status(bs, cid,
935 V_OCSP_CERTSTATUS_UNKNOWN,
936 0, NULL, thisupd, nextupd);
937 } else if (inf[DB_type][0] == DB_TYPE_VAL) {
938 OCSP_basic_add1_status(bs, cid,
939 V_OCSP_CERTSTATUS_GOOD,
940 0, NULL, thisupd, nextupd);
941 } else if (inf[DB_type][0] == DB_TYPE_REV) {
942 ASN1_OBJECT *inst = NULL;
943 ASN1_TIME *revtm = NULL;
944 ASN1_GENERALIZEDTIME *invtm = NULL;
945 OCSP_SINGLERESP *single;
947 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
948 single = OCSP_basic_add1_status(bs, cid,
949 V_OCSP_CERTSTATUS_REVOKED,
950 reason, revtm, thisupd, nextupd);
952 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
954 else if (inst != NULL)
955 OCSP_SINGLERESP_add1_ext_i2d(single,
956 NID_hold_instruction_code, inst,
958 ASN1_OBJECT_free(inst);
959 ASN1_TIME_free(revtm);
960 ASN1_GENERALIZEDTIME_free(invtm);
964 OCSP_copy_nonce(bs, req);
966 mctx = EVP_MD_CTX_new();
967 if ( mctx == NULL || !EVP_DigestSignInit(mctx, &pkctx, rmd, NULL, rkey)) {
968 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, NULL);
971 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
972 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
974 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
975 BIO_printf(err, "parameter error \"%s\"\n", sigopt);
976 ERR_print_errors(bio_err);
977 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
982 OCSP_basic_sign_ctx(bs, rcert, mctx, rother, flags);
985 const ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs);
986 corrupt_signature(sig);
989 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
992 EVP_MD_CTX_free(mctx);
993 ASN1_TIME_free(thisupd);
994 ASN1_TIME_free(nextupd);
995 OCSP_BASICRESP_free(bs);
998 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
1002 char *itmp, *row[DB_NUMBER], **rrow;
1003 for (i = 0; i < DB_NUMBER; i++)
1005 bn = ASN1_INTEGER_to_BN(ser, NULL);
1006 OPENSSL_assert(bn); /* FIXME: should report an error at this
1007 * point and abort */
1009 itmp = OPENSSL_strdup("00");
1011 itmp = BN_bn2hex(bn);
1012 row[DB_serial] = itmp;
1014 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
1019 /* Quick and dirty OCSP server: read in and parse input request */
1021 static BIO *init_responder(const char *port)
1023 # ifdef OPENSSL_NO_SOCK
1025 "Error setting up accept BIO - sockets not supported.\n");
1028 BIO *acbio = NULL, *bufbio = NULL;
1030 bufbio = BIO_new(BIO_f_buffer());
1033 acbio = BIO_new(BIO_s_accept());
1035 || BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR) < 0
1036 || BIO_set_accept_port(acbio, port) < 0) {
1037 BIO_printf(bio_err, "Error setting up accept BIO\n");
1038 ERR_print_errors(bio_err);
1042 BIO_set_accept_bios(acbio, bufbio);
1044 if (BIO_do_accept(acbio) <= 0) {
1045 BIO_printf(bio_err, "Error starting accept\n");
1046 ERR_print_errors(bio_err);
1053 BIO_free_all(acbio);
1059 # ifndef OPENSSL_NO_SOCK
1061 * Decode %xx URL-decoding in-place. Ignores mal-formed sequences.
1063 static int urldecode(char *p)
1065 unsigned char *out = (unsigned char *)p;
1066 unsigned char *save = out;
1071 else if (isxdigit(_UC(p[1])) && isxdigit(_UC(p[2]))) {
1072 /* Don't check, can't fail because of ixdigit() call. */
1073 *out++ = (OPENSSL_hexchar2int(p[1]) << 4)
1074 | OPENSSL_hexchar2int(p[2]);
1081 return (int)(out - save);
1085 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio)
1087 # ifdef OPENSSL_NO_SOCK
1091 OCSP_REQUEST *req = NULL;
1092 char inbuf[2048], reqbuf[2048];
1094 BIO *cbio = NULL, *getbio = NULL, *b64 = NULL;
1096 if (BIO_do_accept(acbio) <= 0) {
1097 BIO_printf(bio_err, "Error accepting connection\n");
1098 ERR_print_errors(bio_err);
1102 cbio = BIO_pop(acbio);
1105 /* Read the request line. */
1106 len = BIO_gets(cbio, reqbuf, sizeof(reqbuf));
1109 if (strncmp(reqbuf, "GET ", 4) == 0) {
1110 /* Expecting GET {sp} /URL {sp} HTTP/1.x */
1111 for (p = reqbuf + 4; *p == ' '; ++p)
1114 BIO_printf(bio_err, "Invalid request -- bad URL\n");
1119 /* Splice off the HTTP version identifier. */
1120 for (q = p; *q; q++)
1123 if (strncmp(q, " HTTP/1.", 8) != 0) {
1124 BIO_printf(bio_err, "Invalid request -- bad HTTP version\n");
1130 BIO_printf(bio_err, "Invalid request -- bad URL encoding\n");
1133 if ((getbio = BIO_new_mem_buf(p, len)) == NULL
1134 || (b64 = BIO_new(BIO_f_base64())) == NULL) {
1135 BIO_printf(bio_err, "Could not allocate memory\n");
1136 ERR_print_errors(bio_err);
1139 BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1140 getbio = BIO_push(b64, getbio);
1141 } else if (strncmp(reqbuf, "POST ", 5) != 0) {
1142 BIO_printf(bio_err, "Invalid request -- bad HTTP verb\n");
1146 /* Read and skip past the headers. */
1148 len = BIO_gets(cbio, inbuf, sizeof(inbuf));
1151 if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
1155 /* Try to read OCSP request */
1156 if (getbio != NULL) {
1157 req = d2i_OCSP_REQUEST_bio(getbio, NULL);
1158 BIO_free_all(getbio);
1160 req = d2i_OCSP_REQUEST_bio(cbio, NULL);
1164 BIO_printf(bio_err, "Error parsing OCSP request\n");
1165 ERR_print_errors(bio_err);
1174 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
1177 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1178 "Content-Length: %d\r\n\r\n";
1181 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
1182 i2d_OCSP_RESPONSE_bio(cbio, resp);
1183 (void)BIO_flush(cbio);
1187 # ifndef OPENSSL_NO_SOCK
1188 static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
1190 const STACK_OF(CONF_VALUE) *headers,
1191 OCSP_REQUEST *req, int req_timeout)
1197 OCSP_REQ_CTX *ctx = NULL;
1198 OCSP_RESPONSE *rsp = NULL;
1202 if (req_timeout != -1)
1203 BIO_set_nbio(cbio, 1);
1205 rv = BIO_do_connect(cbio);
1207 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) {
1208 BIO_puts(bio_err, "Error connecting BIO\n");
1212 if (BIO_get_fd(cbio, &fd) < 0) {
1213 BIO_puts(bio_err, "Can't get connection fd\n");
1217 if (req_timeout != -1 && rv <= 0) {
1219 openssl_fdset(fd, &confds);
1221 tv.tv_sec = req_timeout;
1222 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1224 BIO_puts(bio_err, "Timeout on connect\n");
1229 ctx = OCSP_sendreq_new(cbio, path, NULL, -1);
1233 for (i = 0; i < sk_CONF_VALUE_num(headers); i++) {
1234 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i);
1235 if (add_host == 1 && strcasecmp("host", hdr->name) == 0)
1237 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value))
1241 if (add_host == 1 && OCSP_REQ_CTX_add1_header(ctx, "Host", host) == 0)
1244 if (!OCSP_REQ_CTX_set1_req(ctx, req))
1248 rv = OCSP_sendreq_nbio(&rsp, ctx);
1251 if (req_timeout == -1)
1254 openssl_fdset(fd, &confds);
1256 tv.tv_sec = req_timeout;
1257 if (BIO_should_read(cbio)) {
1258 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv);
1259 } else if (BIO_should_write(cbio)) {
1260 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1262 BIO_puts(bio_err, "Unexpected retry condition\n");
1266 BIO_puts(bio_err, "Timeout on request\n");
1270 BIO_puts(bio_err, "Select error\n");
1276 OCSP_REQ_CTX_free(ctx);
1281 OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,
1282 const char *host, const char *path,
1283 const char *port, int use_ssl,
1284 STACK_OF(CONF_VALUE) *headers,
1288 SSL_CTX *ctx = NULL;
1289 OCSP_RESPONSE *resp = NULL;
1291 cbio = BIO_new_connect(host);
1293 BIO_printf(bio_err, "Error creating connect BIO\n");
1297 BIO_set_conn_port(cbio, port);
1300 ctx = SSL_CTX_new(TLS_client_method());
1302 BIO_printf(bio_err, "Error creating SSL context.\n");
1305 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
1306 sbio = BIO_new_ssl(ctx, 1);
1307 cbio = BIO_push(sbio, cbio);
1310 resp = query_responder(cbio, host, path, headers, req, req_timeout);
1312 BIO_printf(bio_err, "Error querying OCSP responder\n");