1368 lines
44 KiB
C
1368 lines
44 KiB
C
/* ocsp.c */
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/*
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* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
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* 2000.
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*/
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/* ====================================================================
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* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#ifndef OPENSSL_NO_OCSP
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# ifdef OPENSSL_SYS_VMS
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# define _XOPEN_SOURCE_EXTENDED/* So fd_set and friends get properly defined
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* on OpenVMS */
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# endif
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# define USE_SOCKETS
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# include <stdio.h>
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# include <stdlib.h>
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# include <string.h>
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# include <time.h>
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# include "apps.h" /* needs to be included before the openssl
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* headers! */
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# include <openssl/e_os2.h>
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# include <openssl/crypto.h>
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# include <openssl/err.h>
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# include <openssl/ssl.h>
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# include <openssl/evp.h>
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# include <openssl/bn.h>
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# include <openssl/x509v3.h>
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# if defined(NETWARE_CLIB)
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# ifdef NETWARE_BSDSOCK
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# include <sys/socket.h>
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# include <sys/bsdskt.h>
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# else
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# include <novsock2.h>
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# endif
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# elif defined(NETWARE_LIBC)
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# ifdef NETWARE_BSDSOCK
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# include <sys/select.h>
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# else
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# include <novsock2.h>
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# endif
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# endif
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/* Maximum leeway in validity period: default 5 minutes */
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# define MAX_VALIDITY_PERIOD (5 * 60)
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static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
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const EVP_MD *cert_id_md, X509 *issuer,
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STACK_OF(OCSP_CERTID) *ids);
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static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
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const EVP_MD *cert_id_md, X509 *issuer,
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STACK_OF(OCSP_CERTID) *ids);
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static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
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STACK_OF(OPENSSL_STRING) *names,
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STACK_OF(OCSP_CERTID) *ids, long nsec,
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long maxage);
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static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
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CA_DB *db, X509 *ca, X509 *rcert,
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EVP_PKEY *rkey, const EVP_MD *md,
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STACK_OF(X509) *rother, unsigned long flags,
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int nmin, int ndays, int badsig);
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static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
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static BIO *init_responder(const char *port);
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static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
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const char *port);
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static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
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static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, const char *path,
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const STACK_OF(CONF_VALUE) *headers,
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OCSP_REQUEST *req, int req_timeout);
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# undef PROG
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# define PROG ocsp_main
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int MAIN(int, char **);
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int MAIN(int argc, char **argv)
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{
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ENGINE *e = NULL;
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char **args;
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char *host = NULL, *port = NULL, *path = "/";
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char *thost = NULL, *tport = NULL, *tpath = NULL;
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char *reqin = NULL, *respin = NULL;
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char *reqout = NULL, *respout = NULL;
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char *signfile = NULL, *keyfile = NULL;
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char *rsignfile = NULL, *rkeyfile = NULL;
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char *outfile = NULL;
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int add_nonce = 1, noverify = 0, use_ssl = -1;
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STACK_OF(CONF_VALUE) *headers = NULL;
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OCSP_REQUEST *req = NULL;
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OCSP_RESPONSE *resp = NULL;
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OCSP_BASICRESP *bs = NULL;
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X509 *issuer = NULL, *cert = NULL;
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X509 *signer = NULL, *rsigner = NULL;
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EVP_PKEY *key = NULL, *rkey = NULL;
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BIO *acbio = NULL, *cbio = NULL;
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BIO *derbio = NULL;
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BIO *out = NULL;
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int req_timeout = -1;
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int req_text = 0, resp_text = 0;
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long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
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char *CAfile = NULL, *CApath = NULL;
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X509_STORE *store = NULL;
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X509_VERIFY_PARAM *vpm = NULL;
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STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
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char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
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unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
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int ret = 1;
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int accept_count = -1;
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int badarg = 0;
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int badsig = 0;
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int i;
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int ignore_err = 0;
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STACK_OF(OPENSSL_STRING) *reqnames = NULL;
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STACK_OF(OCSP_CERTID) *ids = NULL;
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X509 *rca_cert = NULL;
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char *ridx_filename = NULL;
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char *rca_filename = NULL;
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CA_DB *rdb = NULL;
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int nmin = 0, ndays = -1;
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const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
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if (bio_err == NULL)
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bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
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if (!load_config(bio_err, NULL))
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goto end;
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SSL_load_error_strings();
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OpenSSL_add_ssl_algorithms();
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args = argv + 1;
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reqnames = sk_OPENSSL_STRING_new_null();
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ids = sk_OCSP_CERTID_new_null();
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while (!badarg && *args && *args[0] == '-') {
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if (!strcmp(*args, "-out")) {
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if (args[1]) {
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args++;
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outfile = *args;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-timeout")) {
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if (args[1]) {
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args++;
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req_timeout = atol(*args);
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if (req_timeout < 0) {
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BIO_printf(bio_err, "Illegal timeout value %s\n", *args);
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badarg = 1;
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}
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-url")) {
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if (thost)
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OPENSSL_free(thost);
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if (tport)
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OPENSSL_free(tport);
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if (tpath)
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OPENSSL_free(tpath);
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thost = tport = tpath = NULL;
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if (args[1]) {
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args++;
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if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl)) {
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BIO_printf(bio_err, "Error parsing URL\n");
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badarg = 1;
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}
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thost = host;
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tport = port;
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tpath = path;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-host")) {
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if (args[1]) {
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args++;
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host = *args;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-port")) {
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if (args[1]) {
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args++;
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port = *args;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-header")) {
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if (args[1] && args[2]) {
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if (!X509V3_add_value(args[1], args[2], &headers))
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goto end;
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args += 2;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-ignore_err"))
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ignore_err = 1;
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else if (!strcmp(*args, "-noverify"))
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noverify = 1;
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else if (!strcmp(*args, "-nonce"))
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add_nonce = 2;
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else if (!strcmp(*args, "-no_nonce"))
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add_nonce = 0;
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else if (!strcmp(*args, "-resp_no_certs"))
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rflags |= OCSP_NOCERTS;
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else if (!strcmp(*args, "-resp_key_id"))
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rflags |= OCSP_RESPID_KEY;
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else if (!strcmp(*args, "-no_certs"))
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sign_flags |= OCSP_NOCERTS;
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else if (!strcmp(*args, "-no_signature_verify"))
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verify_flags |= OCSP_NOSIGS;
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else if (!strcmp(*args, "-no_cert_verify"))
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verify_flags |= OCSP_NOVERIFY;
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else if (!strcmp(*args, "-no_chain"))
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verify_flags |= OCSP_NOCHAIN;
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else if (!strcmp(*args, "-no_cert_checks"))
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verify_flags |= OCSP_NOCHECKS;
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else if (!strcmp(*args, "-no_explicit"))
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verify_flags |= OCSP_NOEXPLICIT;
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else if (!strcmp(*args, "-trust_other"))
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verify_flags |= OCSP_TRUSTOTHER;
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else if (!strcmp(*args, "-no_intern"))
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verify_flags |= OCSP_NOINTERN;
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else if (!strcmp(*args, "-badsig"))
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badsig = 1;
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else if (!strcmp(*args, "-text")) {
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req_text = 1;
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resp_text = 1;
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} else if (!strcmp(*args, "-req_text"))
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req_text = 1;
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else if (!strcmp(*args, "-resp_text"))
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resp_text = 1;
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else if (!strcmp(*args, "-reqin")) {
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if (args[1]) {
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args++;
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reqin = *args;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-respin")) {
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if (args[1]) {
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args++;
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respin = *args;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-signer")) {
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if (args[1]) {
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args++;
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signfile = *args;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-VAfile")) {
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if (args[1]) {
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args++;
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verify_certfile = *args;
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verify_flags |= OCSP_TRUSTOTHER;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-sign_other")) {
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if (args[1]) {
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args++;
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sign_certfile = *args;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-verify_other")) {
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if (args[1]) {
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args++;
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verify_certfile = *args;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-CAfile")) {
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if (args[1]) {
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args++;
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CAfile = *args;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-CApath")) {
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if (args[1]) {
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args++;
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CApath = *args;
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} else
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badarg = 1;
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} else if (args_verify(&args, NULL, &badarg, bio_err, &vpm)) {
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if (badarg)
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goto end;
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continue;
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} else if (!strcmp(*args, "-validity_period")) {
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if (args[1]) {
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args++;
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nsec = atol(*args);
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if (nsec < 0) {
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BIO_printf(bio_err,
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"Illegal validity period %s\n", *args);
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badarg = 1;
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}
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-status_age")) {
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if (args[1]) {
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args++;
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maxage = atol(*args);
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if (maxage < 0) {
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BIO_printf(bio_err, "Illegal validity age %s\n", *args);
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badarg = 1;
|
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}
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-signkey")) {
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if (args[1]) {
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args++;
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keyfile = *args;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-reqout")) {
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if (args[1]) {
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args++;
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reqout = *args;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-respout")) {
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if (args[1]) {
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args++;
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respout = *args;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-path")) {
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if (args[1]) {
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args++;
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path = *args;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-issuer")) {
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if (args[1]) {
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args++;
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X509_free(issuer);
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issuer = load_cert(bio_err, *args, FORMAT_PEM,
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NULL, e, "issuer certificate");
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if (!issuer)
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goto end;
|
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} else
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badarg = 1;
|
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} else if (!strcmp(*args, "-cert")) {
|
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if (args[1]) {
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args++;
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X509_free(cert);
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cert = load_cert(bio_err, *args, FORMAT_PEM,
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NULL, e, "certificate");
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if (!cert)
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goto end;
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if (!cert_id_md)
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cert_id_md = EVP_sha1();
|
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if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
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goto end;
|
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if (!sk_OPENSSL_STRING_push(reqnames, *args))
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goto end;
|
|
} else
|
|
badarg = 1;
|
|
} else if (!strcmp(*args, "-serial")) {
|
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if (args[1]) {
|
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args++;
|
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if (!cert_id_md)
|
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cert_id_md = EVP_sha1();
|
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if (!add_ocsp_serial(&req, *args, cert_id_md, issuer, ids))
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goto end;
|
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if (!sk_OPENSSL_STRING_push(reqnames, *args))
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goto end;
|
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} else
|
|
badarg = 1;
|
|
} else if (!strcmp(*args, "-index")) {
|
|
if (args[1]) {
|
|
args++;
|
|
ridx_filename = *args;
|
|
} else
|
|
badarg = 1;
|
|
} else if (!strcmp(*args, "-CA")) {
|
|
if (args[1]) {
|
|
args++;
|
|
rca_filename = *args;
|
|
} else
|
|
badarg = 1;
|
|
} else if (!strcmp(*args, "-nmin")) {
|
|
if (args[1]) {
|
|
args++;
|
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nmin = atol(*args);
|
|
if (nmin < 0) {
|
|
BIO_printf(bio_err, "Illegal update period %s\n", *args);
|
|
badarg = 1;
|
|
}
|
|
}
|
|
if (ndays == -1)
|
|
ndays = 0;
|
|
else
|
|
badarg = 1;
|
|
} else if (!strcmp(*args, "-nrequest")) {
|
|
if (args[1]) {
|
|
args++;
|
|
accept_count = atol(*args);
|
|
if (accept_count < 0) {
|
|
BIO_printf(bio_err, "Illegal accept count %s\n", *args);
|
|
badarg = 1;
|
|
}
|
|
} else
|
|
badarg = 1;
|
|
} else if (!strcmp(*args, "-ndays")) {
|
|
if (args[1]) {
|
|
args++;
|
|
ndays = atol(*args);
|
|
if (ndays < 0) {
|
|
BIO_printf(bio_err, "Illegal update period %s\n", *args);
|
|
badarg = 1;
|
|
}
|
|
} else
|
|
badarg = 1;
|
|
} else if (!strcmp(*args, "-rsigner")) {
|
|
if (args[1]) {
|
|
args++;
|
|
rsignfile = *args;
|
|
} else
|
|
badarg = 1;
|
|
} else if (!strcmp(*args, "-rkey")) {
|
|
if (args[1]) {
|
|
args++;
|
|
rkeyfile = *args;
|
|
} else
|
|
badarg = 1;
|
|
} else if (!strcmp(*args, "-rother")) {
|
|
if (args[1]) {
|
|
args++;
|
|
rcertfile = *args;
|
|
} else
|
|
badarg = 1;
|
|
} else if (!strcmp(*args, "-rmd")) {
|
|
if (args[1]) {
|
|
args++;
|
|
rsign_md = EVP_get_digestbyname(*args);
|
|
if (!rsign_md)
|
|
badarg = 1;
|
|
} else
|
|
badarg = 1;
|
|
} else if ((cert_id_md = EVP_get_digestbyname((*args) + 1)) == NULL) {
|
|
badarg = 1;
|
|
}
|
|
args++;
|
|
}
|
|
|
|
/* Have we anything to do? */
|
|
if (!req && !reqin && !respin && !(port && ridx_filename))
|
|
badarg = 1;
|
|
|
|
if (badarg) {
|
|
BIO_printf(bio_err, "OCSP utility\n");
|
|
BIO_printf(bio_err, "Usage ocsp [options]\n");
|
|
BIO_printf(bio_err, "where options are\n");
|
|
BIO_printf(bio_err, "-out file output filename\n");
|
|
BIO_printf(bio_err, "-issuer file issuer certificate\n");
|
|
BIO_printf(bio_err, "-cert file certificate to check\n");
|
|
BIO_printf(bio_err, "-serial n serial number to check\n");
|
|
BIO_printf(bio_err,
|
|
"-signer file certificate to sign OCSP request with\n");
|
|
BIO_printf(bio_err,
|
|
"-signkey file private key to sign OCSP request with\n");
|
|
BIO_printf(bio_err,
|
|
"-sign_other file additional certificates to include in signed request\n");
|
|
BIO_printf(bio_err,
|
|
"-no_certs don't include any certificates in signed request\n");
|
|
BIO_printf(bio_err,
|
|
"-req_text print text form of request\n");
|
|
BIO_printf(bio_err,
|
|
"-resp_text print text form of response\n");
|
|
BIO_printf(bio_err,
|
|
"-text print text form of request and response\n");
|
|
BIO_printf(bio_err,
|
|
"-reqout file write DER encoded OCSP request to \"file\"\n");
|
|
BIO_printf(bio_err,
|
|
"-respout file write DER encoded OCSP reponse to \"file\"\n");
|
|
BIO_printf(bio_err,
|
|
"-reqin file read DER encoded OCSP request from \"file\"\n");
|
|
BIO_printf(bio_err,
|
|
"-respin file read DER encoded OCSP reponse from \"file\"\n");
|
|
BIO_printf(bio_err,
|
|
"-nonce add OCSP nonce to request\n");
|
|
BIO_printf(bio_err,
|
|
"-no_nonce don't add OCSP nonce to request\n");
|
|
BIO_printf(bio_err, "-url URL OCSP responder URL\n");
|
|
BIO_printf(bio_err,
|
|
"-host host:n send OCSP request to host on port n\n");
|
|
BIO_printf(bio_err,
|
|
"-path path to use in OCSP request\n");
|
|
BIO_printf(bio_err,
|
|
"-CApath dir trusted certificates directory\n");
|
|
BIO_printf(bio_err,
|
|
"-CAfile file trusted certificates file\n");
|
|
BIO_printf(bio_err,
|
|
"-no_alt_chains only ever use the first certificate chain found\n");
|
|
BIO_printf(bio_err,
|
|
"-VAfile file validator certificates file\n");
|
|
BIO_printf(bio_err,
|
|
"-validity_period n maximum validity discrepancy in seconds\n");
|
|
BIO_printf(bio_err,
|
|
"-status_age n maximum status age in seconds\n");
|
|
BIO_printf(bio_err,
|
|
"-noverify don't verify response at all\n");
|
|
BIO_printf(bio_err,
|
|
"-verify_other file additional certificates to search for signer\n");
|
|
BIO_printf(bio_err,
|
|
"-trust_other don't verify additional certificates\n");
|
|
BIO_printf(bio_err,
|
|
"-no_intern don't search certificates contained in response for signer\n");
|
|
BIO_printf(bio_err,
|
|
"-no_signature_verify don't check signature on response\n");
|
|
BIO_printf(bio_err,
|
|
"-no_cert_verify don't check signing certificate\n");
|
|
BIO_printf(bio_err,
|
|
"-no_chain don't chain verify response\n");
|
|
BIO_printf(bio_err,
|
|
"-no_cert_checks don't do additional checks on signing certificate\n");
|
|
BIO_printf(bio_err,
|
|
"-port num port to run responder on\n");
|
|
BIO_printf(bio_err,
|
|
"-index file certificate status index file\n");
|
|
BIO_printf(bio_err, "-CA file CA certificate\n");
|
|
BIO_printf(bio_err,
|
|
"-rsigner file responder certificate to sign responses with\n");
|
|
BIO_printf(bio_err,
|
|
"-rkey file responder key to sign responses with\n");
|
|
BIO_printf(bio_err,
|
|
"-rother file other certificates to include in response\n");
|
|
BIO_printf(bio_err,
|
|
"-resp_no_certs don't include any certificates in response\n");
|
|
BIO_printf(bio_err,
|
|
"-nmin n number of minutes before next update\n");
|
|
BIO_printf(bio_err,
|
|
"-ndays n number of days before next update\n");
|
|
BIO_printf(bio_err,
|
|
"-resp_key_id identify reponse by signing certificate key ID\n");
|
|
BIO_printf(bio_err,
|
|
"-nrequest n number of requests to accept (default unlimited)\n");
|
|
BIO_printf(bio_err,
|
|
"-<dgst alg> use specified digest in the request\n");
|
|
BIO_printf(bio_err,
|
|
"-timeout n timeout connection to OCSP responder after n seconds\n");
|
|
goto end;
|
|
}
|
|
|
|
if (outfile)
|
|
out = BIO_new_file(outfile, "w");
|
|
else
|
|
out = BIO_new_fp(stdout, BIO_NOCLOSE);
|
|
|
|
if (!out) {
|
|
BIO_printf(bio_err, "Error opening output file\n");
|
|
goto end;
|
|
}
|
|
|
|
if (!req && (add_nonce != 2))
|
|
add_nonce = 0;
|
|
|
|
if (!req && reqin) {
|
|
if (!strcmp(reqin, "-"))
|
|
derbio = BIO_new_fp(stdin, BIO_NOCLOSE);
|
|
else
|
|
derbio = BIO_new_file(reqin, "rb");
|
|
if (!derbio) {
|
|
BIO_printf(bio_err, "Error Opening OCSP request file\n");
|
|
goto end;
|
|
}
|
|
req = d2i_OCSP_REQUEST_bio(derbio, NULL);
|
|
BIO_free(derbio);
|
|
if (!req) {
|
|
BIO_printf(bio_err, "Error reading OCSP request\n");
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
if (!req && port) {
|
|
acbio = init_responder(port);
|
|
if (!acbio)
|
|
goto end;
|
|
}
|
|
|
|
if (rsignfile && !rdb) {
|
|
if (!rkeyfile)
|
|
rkeyfile = rsignfile;
|
|
rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM,
|
|
NULL, e, "responder certificate");
|
|
if (!rsigner) {
|
|
BIO_printf(bio_err, "Error loading responder certificate\n");
|
|
goto end;
|
|
}
|
|
rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM,
|
|
NULL, e, "CA certificate");
|
|
if (rcertfile) {
|
|
rother = load_certs(bio_err, rcertfile, FORMAT_PEM,
|
|
NULL, e, "responder other certificates");
|
|
if (!rother)
|
|
goto end;
|
|
}
|
|
rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL,
|
|
"responder private key");
|
|
if (!rkey)
|
|
goto end;
|
|
}
|
|
if (acbio)
|
|
BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
|
|
|
|
redo_accept:
|
|
|
|
if (acbio) {
|
|
if (!do_responder(&req, &cbio, acbio, port))
|
|
goto end;
|
|
if (!req) {
|
|
resp =
|
|
OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
|
|
NULL);
|
|
send_ocsp_response(cbio, resp);
|
|
goto done_resp;
|
|
}
|
|
}
|
|
|
|
if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) {
|
|
BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
|
|
goto end;
|
|
}
|
|
|
|
if (req && add_nonce)
|
|
OCSP_request_add1_nonce(req, NULL, -1);
|
|
|
|
if (signfile) {
|
|
if (!keyfile)
|
|
keyfile = signfile;
|
|
signer = load_cert(bio_err, signfile, FORMAT_PEM,
|
|
NULL, e, "signer certificate");
|
|
if (!signer) {
|
|
BIO_printf(bio_err, "Error loading signer certificate\n");
|
|
goto end;
|
|
}
|
|
if (sign_certfile) {
|
|
sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM,
|
|
NULL, e, "signer certificates");
|
|
if (!sign_other)
|
|
goto end;
|
|
}
|
|
key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL,
|
|
"signer private key");
|
|
if (!key)
|
|
goto end;
|
|
|
|
if (!OCSP_request_sign
|
|
(req, signer, key, NULL, sign_other, sign_flags)) {
|
|
BIO_printf(bio_err, "Error signing OCSP request\n");
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
if (req_text && req)
|
|
OCSP_REQUEST_print(out, req, 0);
|
|
|
|
if (reqout) {
|
|
if (!strcmp(reqout, "-"))
|
|
derbio = BIO_new_fp(stdout, BIO_NOCLOSE);
|
|
else
|
|
derbio = BIO_new_file(reqout, "wb");
|
|
if (!derbio) {
|
|
BIO_printf(bio_err, "Error opening file %s\n", reqout);
|
|
goto end;
|
|
}
|
|
i2d_OCSP_REQUEST_bio(derbio, req);
|
|
BIO_free(derbio);
|
|
}
|
|
|
|
if (ridx_filename && (!rkey || !rsigner || !rca_cert)) {
|
|
BIO_printf(bio_err,
|
|
"Need a responder certificate, key and CA for this operation!\n");
|
|
goto end;
|
|
}
|
|
|
|
if (ridx_filename && !rdb) {
|
|
rdb = load_index(ridx_filename, NULL);
|
|
if (!rdb)
|
|
goto end;
|
|
if (!index_index(rdb))
|
|
goto end;
|
|
}
|
|
|
|
if (rdb) {
|
|
i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey,
|
|
rsign_md, rother, rflags, nmin, ndays, badsig);
|
|
if (cbio)
|
|
send_ocsp_response(cbio, resp);
|
|
} else if (host) {
|
|
# ifndef OPENSSL_NO_SOCK
|
|
resp = process_responder(bio_err, req, host, path,
|
|
port, use_ssl, headers, req_timeout);
|
|
if (!resp)
|
|
goto end;
|
|
# else
|
|
BIO_printf(bio_err,
|
|
"Error creating connect BIO - sockets not supported.\n");
|
|
goto end;
|
|
# endif
|
|
} else if (respin) {
|
|
if (!strcmp(respin, "-"))
|
|
derbio = BIO_new_fp(stdin, BIO_NOCLOSE);
|
|
else
|
|
derbio = BIO_new_file(respin, "rb");
|
|
if (!derbio) {
|
|
BIO_printf(bio_err, "Error Opening OCSP response file\n");
|
|
goto end;
|
|
}
|
|
resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
|
|
BIO_free(derbio);
|
|
if (!resp) {
|
|
BIO_printf(bio_err, "Error reading OCSP response\n");
|
|
goto end;
|
|
}
|
|
|
|
} else {
|
|
ret = 0;
|
|
goto end;
|
|
}
|
|
|
|
done_resp:
|
|
|
|
if (respout) {
|
|
if (!strcmp(respout, "-"))
|
|
derbio = BIO_new_fp(stdout, BIO_NOCLOSE);
|
|
else
|
|
derbio = BIO_new_file(respout, "wb");
|
|
if (!derbio) {
|
|
BIO_printf(bio_err, "Error opening file %s\n", respout);
|
|
goto end;
|
|
}
|
|
i2d_OCSP_RESPONSE_bio(derbio, resp);
|
|
BIO_free(derbio);
|
|
}
|
|
|
|
i = OCSP_response_status(resp);
|
|
|
|
if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
|
|
BIO_printf(out, "Responder Error: %s (%d)\n",
|
|
OCSP_response_status_str(i), i);
|
|
if (ignore_err)
|
|
goto redo_accept;
|
|
ret = 0;
|
|
goto end;
|
|
}
|
|
|
|
if (resp_text)
|
|
OCSP_RESPONSE_print(out, resp, 0);
|
|
|
|
/* If running as responder don't verify our own response */
|
|
if (cbio) {
|
|
if (accept_count > 0)
|
|
accept_count--;
|
|
/* Redo if more connections needed */
|
|
if (accept_count) {
|
|
BIO_free_all(cbio);
|
|
cbio = NULL;
|
|
OCSP_REQUEST_free(req);
|
|
req = NULL;
|
|
OCSP_RESPONSE_free(resp);
|
|
resp = NULL;
|
|
goto redo_accept;
|
|
}
|
|
ret = 0;
|
|
goto end;
|
|
} else if (ridx_filename) {
|
|
ret = 0;
|
|
goto end;
|
|
}
|
|
|
|
if (!store)
|
|
store = setup_verify(bio_err, CAfile, CApath);
|
|
if (!store)
|
|
goto end;
|
|
if (vpm)
|
|
X509_STORE_set1_param(store, vpm);
|
|
if (verify_certfile) {
|
|
verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM,
|
|
NULL, e, "validator certificate");
|
|
if (!verify_other)
|
|
goto end;
|
|
}
|
|
|
|
bs = OCSP_response_get1_basic(resp);
|
|
|
|
if (!bs) {
|
|
BIO_printf(bio_err, "Error parsing response\n");
|
|
goto end;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
if (!noverify) {
|
|
if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
|
|
if (i == -1)
|
|
BIO_printf(bio_err, "WARNING: no nonce in response\n");
|
|
else {
|
|
BIO_printf(bio_err, "Nonce Verify error\n");
|
|
ret = 1;
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
|
|
if (i <= 0) {
|
|
BIO_printf(bio_err, "Response Verify Failure\n");
|
|
ERR_print_errors(bio_err);
|
|
ret = 1;
|
|
} else
|
|
BIO_printf(bio_err, "Response verify OK\n");
|
|
|
|
}
|
|
|
|
if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage))
|
|
ret = 1;
|
|
|
|
end:
|
|
ERR_print_errors(bio_err);
|
|
X509_free(signer);
|
|
X509_STORE_free(store);
|
|
if (vpm)
|
|
X509_VERIFY_PARAM_free(vpm);
|
|
EVP_PKEY_free(key);
|
|
EVP_PKEY_free(rkey);
|
|
X509_free(issuer);
|
|
X509_free(cert);
|
|
X509_free(rsigner);
|
|
X509_free(rca_cert);
|
|
free_index(rdb);
|
|
BIO_free_all(cbio);
|
|
BIO_free_all(acbio);
|
|
BIO_free(out);
|
|
OCSP_REQUEST_free(req);
|
|
OCSP_RESPONSE_free(resp);
|
|
OCSP_BASICRESP_free(bs);
|
|
sk_OPENSSL_STRING_free(reqnames);
|
|
sk_OCSP_CERTID_free(ids);
|
|
sk_X509_pop_free(sign_other, X509_free);
|
|
sk_X509_pop_free(verify_other, X509_free);
|
|
sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
|
|
|
|
if (thost)
|
|
OPENSSL_free(thost);
|
|
if (tport)
|
|
OPENSSL_free(tport);
|
|
if (tpath)
|
|
OPENSSL_free(tpath);
|
|
|
|
OPENSSL_EXIT(ret);
|
|
}
|
|
|
|
static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
|
|
const EVP_MD *cert_id_md, X509 *issuer,
|
|
STACK_OF(OCSP_CERTID) *ids)
|
|
{
|
|
OCSP_CERTID *id;
|
|
if (!issuer) {
|
|
BIO_printf(bio_err, "No issuer certificate specified\n");
|
|
return 0;
|
|
}
|
|
if (!*req)
|
|
*req = OCSP_REQUEST_new();
|
|
if (!*req)
|
|
goto err;
|
|
id = OCSP_cert_to_id(cert_id_md, cert, issuer);
|
|
if (!id || !sk_OCSP_CERTID_push(ids, id))
|
|
goto err;
|
|
if (!OCSP_request_add0_id(*req, id))
|
|
goto err;
|
|
return 1;
|
|
|
|
err:
|
|
BIO_printf(bio_err, "Error Creating OCSP request\n");
|
|
return 0;
|
|
}
|
|
|
|
static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
|
|
const EVP_MD *cert_id_md, X509 *issuer,
|
|
STACK_OF(OCSP_CERTID) *ids)
|
|
{
|
|
OCSP_CERTID *id;
|
|
X509_NAME *iname;
|
|
ASN1_BIT_STRING *ikey;
|
|
ASN1_INTEGER *sno;
|
|
if (!issuer) {
|
|
BIO_printf(bio_err, "No issuer certificate specified\n");
|
|
return 0;
|
|
}
|
|
if (!*req)
|
|
*req = OCSP_REQUEST_new();
|
|
if (!*req)
|
|
goto err;
|
|
iname = X509_get_subject_name(issuer);
|
|
ikey = X509_get0_pubkey_bitstr(issuer);
|
|
sno = s2i_ASN1_INTEGER(NULL, serial);
|
|
if (!sno) {
|
|
BIO_printf(bio_err, "Error converting serial number %s\n", serial);
|
|
return 0;
|
|
}
|
|
id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
|
|
ASN1_INTEGER_free(sno);
|
|
if (!id || !sk_OCSP_CERTID_push(ids, id))
|
|
goto err;
|
|
if (!OCSP_request_add0_id(*req, id))
|
|
goto err;
|
|
return 1;
|
|
|
|
err:
|
|
BIO_printf(bio_err, "Error Creating OCSP request\n");
|
|
return 0;
|
|
}
|
|
|
|
static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
|
|
STACK_OF(OPENSSL_STRING) *names,
|
|
STACK_OF(OCSP_CERTID) *ids, long nsec,
|
|
long maxage)
|
|
{
|
|
OCSP_CERTID *id;
|
|
char *name;
|
|
int i;
|
|
|
|
int status, reason;
|
|
|
|
ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
|
|
|
|
if (!bs || !req || !sk_OPENSSL_STRING_num(names)
|
|
|| !sk_OCSP_CERTID_num(ids))
|
|
return 1;
|
|
|
|
for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
|
|
id = sk_OCSP_CERTID_value(ids, i);
|
|
name = sk_OPENSSL_STRING_value(names, i);
|
|
BIO_printf(out, "%s: ", name);
|
|
|
|
if (!OCSP_resp_find_status(bs, id, &status, &reason,
|
|
&rev, &thisupd, &nextupd)) {
|
|
BIO_puts(out, "ERROR: No Status found.\n");
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* Check validity: if invalid write to output BIO so we know which
|
|
* response this refers to.
|
|
*/
|
|
if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
|
|
BIO_puts(out, "WARNING: Status times invalid.\n");
|
|
ERR_print_errors(out);
|
|
}
|
|
BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
|
|
|
|
BIO_puts(out, "\tThis Update: ");
|
|
ASN1_GENERALIZEDTIME_print(out, thisupd);
|
|
BIO_puts(out, "\n");
|
|
|
|
if (nextupd) {
|
|
BIO_puts(out, "\tNext Update: ");
|
|
ASN1_GENERALIZEDTIME_print(out, nextupd);
|
|
BIO_puts(out, "\n");
|
|
}
|
|
|
|
if (status != V_OCSP_CERTSTATUS_REVOKED)
|
|
continue;
|
|
|
|
if (reason != -1)
|
|
BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
|
|
|
|
BIO_puts(out, "\tRevocation Time: ");
|
|
ASN1_GENERALIZEDTIME_print(out, rev);
|
|
BIO_puts(out, "\n");
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
|
|
CA_DB *db, X509 *ca, X509 *rcert,
|
|
EVP_PKEY *rkey, const EVP_MD *rmd,
|
|
STACK_OF(X509) *rother, unsigned long flags,
|
|
int nmin, int ndays, int badsig)
|
|
{
|
|
ASN1_TIME *thisupd = NULL, *nextupd = NULL;
|
|
OCSP_CERTID *cid, *ca_id = NULL;
|
|
OCSP_BASICRESP *bs = NULL;
|
|
int i, id_count, ret = 1;
|
|
|
|
id_count = OCSP_request_onereq_count(req);
|
|
|
|
if (id_count <= 0) {
|
|
*resp =
|
|
OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
|
|
goto end;
|
|
}
|
|
|
|
bs = OCSP_BASICRESP_new();
|
|
thisupd = X509_gmtime_adj(NULL, 0);
|
|
if (ndays != -1)
|
|
nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL);
|
|
|
|
/* Examine each certificate id in the request */
|
|
for (i = 0; i < id_count; i++) {
|
|
OCSP_ONEREQ *one;
|
|
ASN1_INTEGER *serial;
|
|
char **inf;
|
|
ASN1_OBJECT *cert_id_md_oid;
|
|
const EVP_MD *cert_id_md;
|
|
one = OCSP_request_onereq_get0(req, i);
|
|
cid = OCSP_onereq_get0_id(one);
|
|
|
|
OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
|
|
|
|
cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
|
|
if (!cert_id_md) {
|
|
*resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
|
|
NULL);
|
|
goto end;
|
|
}
|
|
if (ca_id)
|
|
OCSP_CERTID_free(ca_id);
|
|
ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca);
|
|
|
|
/* Is this request about our CA? */
|
|
if (OCSP_id_issuer_cmp(ca_id, cid)) {
|
|
OCSP_basic_add1_status(bs, cid,
|
|
V_OCSP_CERTSTATUS_UNKNOWN,
|
|
0, NULL, thisupd, nextupd);
|
|
continue;
|
|
}
|
|
OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
|
|
inf = lookup_serial(db, serial);
|
|
if (!inf)
|
|
OCSP_basic_add1_status(bs, cid,
|
|
V_OCSP_CERTSTATUS_UNKNOWN,
|
|
0, NULL, thisupd, nextupd);
|
|
else if (inf[DB_type][0] == DB_TYPE_VAL)
|
|
OCSP_basic_add1_status(bs, cid,
|
|
V_OCSP_CERTSTATUS_GOOD,
|
|
0, NULL, thisupd, nextupd);
|
|
else if (inf[DB_type][0] == DB_TYPE_REV) {
|
|
ASN1_OBJECT *inst = NULL;
|
|
ASN1_TIME *revtm = NULL;
|
|
ASN1_GENERALIZEDTIME *invtm = NULL;
|
|
OCSP_SINGLERESP *single;
|
|
int reason = -1;
|
|
unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
|
|
single = OCSP_basic_add1_status(bs, cid,
|
|
V_OCSP_CERTSTATUS_REVOKED,
|
|
reason, revtm, thisupd, nextupd);
|
|
if (invtm)
|
|
OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
|
|
invtm, 0, 0);
|
|
else if (inst)
|
|
OCSP_SINGLERESP_add1_ext_i2d(single,
|
|
NID_hold_instruction_code, inst,
|
|
0, 0);
|
|
ASN1_OBJECT_free(inst);
|
|
ASN1_TIME_free(revtm);
|
|
ASN1_GENERALIZEDTIME_free(invtm);
|
|
}
|
|
}
|
|
|
|
OCSP_copy_nonce(bs, req);
|
|
|
|
OCSP_basic_sign(bs, rcert, rkey, rmd, rother, flags);
|
|
|
|
if (badsig)
|
|
bs->signature->data[bs->signature->length - 1] ^= 0x1;
|
|
|
|
*resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
|
|
|
|
end:
|
|
ASN1_TIME_free(thisupd);
|
|
ASN1_TIME_free(nextupd);
|
|
OCSP_CERTID_free(ca_id);
|
|
OCSP_BASICRESP_free(bs);
|
|
return ret;
|
|
|
|
}
|
|
|
|
static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
|
|
{
|
|
int i;
|
|
BIGNUM *bn = NULL;
|
|
char *itmp, *row[DB_NUMBER], **rrow;
|
|
for (i = 0; i < DB_NUMBER; i++)
|
|
row[i] = NULL;
|
|
bn = ASN1_INTEGER_to_BN(ser, NULL);
|
|
OPENSSL_assert(bn); /* FIXME: should report an error at this
|
|
* point and abort */
|
|
if (BN_is_zero(bn))
|
|
itmp = BUF_strdup("00");
|
|
else
|
|
itmp = BN_bn2hex(bn);
|
|
row[DB_serial] = itmp;
|
|
BN_free(bn);
|
|
rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
|
|
OPENSSL_free(itmp);
|
|
return rrow;
|
|
}
|
|
|
|
/* Quick and dirty OCSP server: read in and parse input request */
|
|
|
|
static BIO *init_responder(const char *port)
|
|
{
|
|
BIO *acbio = NULL, *bufbio = NULL;
|
|
bufbio = BIO_new(BIO_f_buffer());
|
|
if (!bufbio)
|
|
goto err;
|
|
# ifndef OPENSSL_NO_SOCK
|
|
acbio = BIO_new_accept(port);
|
|
# else
|
|
BIO_printf(bio_err,
|
|
"Error setting up accept BIO - sockets not supported.\n");
|
|
# endif
|
|
if (!acbio)
|
|
goto err;
|
|
BIO_set_accept_bios(acbio, bufbio);
|
|
bufbio = NULL;
|
|
|
|
if (BIO_do_accept(acbio) <= 0) {
|
|
BIO_printf(bio_err, "Error setting up accept BIO\n");
|
|
ERR_print_errors(bio_err);
|
|
goto err;
|
|
}
|
|
|
|
return acbio;
|
|
|
|
err:
|
|
BIO_free_all(acbio);
|
|
BIO_free(bufbio);
|
|
return NULL;
|
|
}
|
|
|
|
static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
|
|
const char *port)
|
|
{
|
|
int have_post = 0, len;
|
|
OCSP_REQUEST *req = NULL;
|
|
char inbuf[1024];
|
|
BIO *cbio = NULL;
|
|
|
|
if (BIO_do_accept(acbio) <= 0) {
|
|
BIO_printf(bio_err, "Error accepting connection\n");
|
|
ERR_print_errors(bio_err);
|
|
return 0;
|
|
}
|
|
|
|
cbio = BIO_pop(acbio);
|
|
*pcbio = cbio;
|
|
|
|
for (;;) {
|
|
len = BIO_gets(cbio, inbuf, sizeof inbuf);
|
|
if (len <= 0)
|
|
return 1;
|
|
/* Look for "POST" signalling start of query */
|
|
if (!have_post) {
|
|
if (strncmp(inbuf, "POST", 4)) {
|
|
BIO_printf(bio_err, "Invalid request\n");
|
|
return 1;
|
|
}
|
|
have_post = 1;
|
|
}
|
|
/* Look for end of headers */
|
|
if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
|
|
break;
|
|
}
|
|
|
|
/* Try to read OCSP request */
|
|
|
|
req = d2i_OCSP_REQUEST_bio(cbio, NULL);
|
|
|
|
if (!req) {
|
|
BIO_printf(bio_err, "Error parsing OCSP request\n");
|
|
ERR_print_errors(bio_err);
|
|
}
|
|
|
|
*preq = req;
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
|
|
{
|
|
char http_resp[] =
|
|
"HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
|
|
"Content-Length: %d\r\n\r\n";
|
|
if (!cbio)
|
|
return 0;
|
|
BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
|
|
i2d_OCSP_RESPONSE_bio(cbio, resp);
|
|
(void)BIO_flush(cbio);
|
|
return 1;
|
|
}
|
|
|
|
static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, const char *path,
|
|
const STACK_OF(CONF_VALUE) *headers,
|
|
OCSP_REQUEST *req, int req_timeout)
|
|
{
|
|
int fd;
|
|
int rv;
|
|
int i;
|
|
OCSP_REQ_CTX *ctx = NULL;
|
|
OCSP_RESPONSE *rsp = NULL;
|
|
fd_set confds;
|
|
struct timeval tv;
|
|
|
|
if (req_timeout != -1)
|
|
BIO_set_nbio(cbio, 1);
|
|
|
|
rv = BIO_do_connect(cbio);
|
|
|
|
if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) {
|
|
BIO_puts(err, "Error connecting BIO\n");
|
|
return NULL;
|
|
}
|
|
|
|
if (BIO_get_fd(cbio, &fd) < 0) {
|
|
BIO_puts(bio_err, "Can't get connection fd\n");
|
|
goto err;
|
|
}
|
|
|
|
if (req_timeout != -1 && rv <= 0) {
|
|
FD_ZERO(&confds);
|
|
openssl_fdset(fd, &confds);
|
|
tv.tv_usec = 0;
|
|
tv.tv_sec = req_timeout;
|
|
rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
|
|
if (rv == 0) {
|
|
BIO_puts(err, "Timeout on connect\n");
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
ctx = OCSP_sendreq_new(cbio, path, NULL, -1);
|
|
if (!ctx)
|
|
return NULL;
|
|
|
|
for (i = 0; i < sk_CONF_VALUE_num(headers); i++) {
|
|
CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i);
|
|
if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value))
|
|
goto err;
|
|
}
|
|
|
|
if (!OCSP_REQ_CTX_set1_req(ctx, req))
|
|
goto err;
|
|
|
|
for (;;) {
|
|
rv = OCSP_sendreq_nbio(&rsp, ctx);
|
|
if (rv != -1)
|
|
break;
|
|
if (req_timeout == -1)
|
|
continue;
|
|
FD_ZERO(&confds);
|
|
openssl_fdset(fd, &confds);
|
|
tv.tv_usec = 0;
|
|
tv.tv_sec = req_timeout;
|
|
if (BIO_should_read(cbio))
|
|
rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv);
|
|
else if (BIO_should_write(cbio))
|
|
rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
|
|
else {
|
|
BIO_puts(err, "Unexpected retry condition\n");
|
|
goto err;
|
|
}
|
|
if (rv == 0) {
|
|
BIO_puts(err, "Timeout on request\n");
|
|
break;
|
|
}
|
|
if (rv == -1) {
|
|
BIO_puts(err, "Select error\n");
|
|
break;
|
|
}
|
|
|
|
}
|
|
err:
|
|
if (ctx)
|
|
OCSP_REQ_CTX_free(ctx);
|
|
|
|
return rsp;
|
|
}
|
|
|
|
OCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req,
|
|
const char *host, const char *path,
|
|
const char *port, int use_ssl,
|
|
const STACK_OF(CONF_VALUE) *headers,
|
|
int req_timeout)
|
|
{
|
|
BIO *cbio = NULL;
|
|
SSL_CTX *ctx = NULL;
|
|
OCSP_RESPONSE *resp = NULL;
|
|
cbio = BIO_new_connect(host);
|
|
if (!cbio) {
|
|
BIO_printf(err, "Error creating connect BIO\n");
|
|
goto end;
|
|
}
|
|
if (port)
|
|
BIO_set_conn_port(cbio, port);
|
|
if (use_ssl == 1) {
|
|
BIO *sbio;
|
|
ctx = SSL_CTX_new(SSLv23_client_method());
|
|
if (ctx == NULL) {
|
|
BIO_printf(err, "Error creating SSL context.\n");
|
|
goto end;
|
|
}
|
|
SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
|
|
sbio = BIO_new_ssl(ctx, 1);
|
|
cbio = BIO_push(sbio, cbio);
|
|
}
|
|
resp = query_responder(err, cbio, path, headers, req, req_timeout);
|
|
if (!resp)
|
|
BIO_printf(bio_err, "Error querying OCSP responder\n");
|
|
end:
|
|
if (cbio)
|
|
BIO_free_all(cbio);
|
|
if (ctx)
|
|
SSL_CTX_free(ctx);
|
|
return resp;
|
|
}
|
|
|
|
#endif
|