mirror of
https://github.com/openssl/openssl.git
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0996dc5440
Reviewed-by: Richard Levitte <levitte@openssl.org>
1310 lines
42 KiB
C
1310 lines
42 KiB
C
/*
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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 <ctype.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 void 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 void 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 *cbio, const char *host,
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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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typedef enum OPTION_choice {
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OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
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OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT,
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OPT_IGNORE_ERR, OPT_NOVERIFY, OPT_NONCE, OPT_NO_NONCE,
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OPT_RESP_NO_CERTS, OPT_RESP_KEY_ID, OPT_NO_CERTS,
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OPT_NO_SIGNATURE_VERIFY, OPT_NO_CERT_VERIFY, OPT_NO_CHAIN,
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OPT_NO_CERT_CHECKS, OPT_NO_EXPLICIT, OPT_TRUST_OTHER,
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OPT_NO_INTERN, OPT_BADSIG, OPT_TEXT, OPT_REQ_TEXT, OPT_RESP_TEXT,
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OPT_REQIN, OPT_RESPIN, OPT_SIGNER, OPT_VAFILE, OPT_SIGN_OTHER,
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OPT_VERIFY_OTHER, OPT_CAFILE, OPT_CAPATH, OPT_NOCAFILE, OPT_NOCAPATH,
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OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT,
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OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL,
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OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER,
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OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_HEADER,
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OPT_V_ENUM,
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OPT_MD
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} OPTION_CHOICE;
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OPTIONS ocsp_options[] = {
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{"help", OPT_HELP, '-', "Display this summary"},
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{"out", OPT_OUTFILE, '>', "Output filename"},
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{"timeout", OPT_TIMEOUT, 'p'},
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{"url", OPT_URL, 's', "Responder URL"},
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{"host", OPT_HOST, 's', "host:prot top to connect to"},
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{"port", OPT_PORT, 'p', "Port to run responder on"},
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{"ignore_err", OPT_IGNORE_ERR, '-'},
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{"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"},
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{"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"},
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{"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"},
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{"resp_no_certs", OPT_RESP_NO_CERTS, '-',
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"Don't include any certificates in response"},
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{"resp_key_id", OPT_RESP_KEY_ID, '-',
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"Identify reponse by signing certificate key ID"},
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{"no_certs", OPT_NO_CERTS, '-',
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"Don't include any certificates in signed request"},
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{"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-',
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"Don't check signature on response"},
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{"no_cert_verify", OPT_NO_CERT_VERIFY, '-',
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"Don't check signing certificate"},
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{"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"},
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{"no_cert_checks", OPT_NO_CERT_CHECKS, '-',
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"Don't do additional checks on signing certificate"},
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{"no_explicit", OPT_NO_EXPLICIT, '-'},
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{"trust_other", OPT_TRUST_OTHER, '-',
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"Don't verify additional certificates"},
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{"no_intern", OPT_NO_INTERN, '-',
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"Don't search certificates contained in response for signer"},
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{"badsig", OPT_BADSIG, '-'},
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{"text", OPT_TEXT, '-', "Print text form of request and response"},
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{"req_text", OPT_REQ_TEXT, '-', "Print text form of request"},
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{"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"},
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{"reqin", OPT_REQIN, 's', "File with the DER-encoded request"},
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{"respin", OPT_RESPIN, 's', "File with the DER-encoded response"},
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{"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"},
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{"VAfile", OPT_VAFILE, '<', "Validator certificates file"},
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{"sign_other", OPT_SIGN_OTHER, '<',
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"Additional certificates to include in signed request"},
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{"verify_other", OPT_VERIFY_OTHER, '<',
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"Additional certificates to search for signer"},
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{"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
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{"CApath", OPT_CAPATH, '<', "Trusted certificates directory"},
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{"no-CAfile", OPT_NOCAFILE, '-',
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"Do not load the default certificates file"},
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{"no-CApath", OPT_NOCAPATH, '-',
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"Do not load certificates from the default certificates directory"},
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{"validity_period", OPT_VALIDITY_PERIOD, 'u',
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"Maximum validity discrepancy in seconds"},
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{"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"},
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{"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"},
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{"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"},
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{"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"},
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{"path", OPT_PATH, 's', "Path to use in OCSP request"},
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{"issuer", OPT_ISSUER, '<', "Issuer certificate"},
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{"cert", OPT_CERT, '<', "Certificate to check"},
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{"serial", OPT_SERIAL, 's', "Nerial number to check"},
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{"index", OPT_INDEX, '<', "Certificate status index file"},
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{"CA", OPT_CA, '<', "CA certificate"},
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{"nmin", OPT_NMIN, 'p', "Number of minutes before next update"},
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{"nrequest", OPT_REQUEST, 'p',
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"Number of requests to accept (default unlimited)"},
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{"ndays", OPT_NDAYS, 'p', "Number of days before next update"},
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{"rsigner", OPT_RSIGNER, '<',
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"Sesponder certificate to sign responses with"},
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{"rkey", OPT_RKEY, '<', "Responder key to sign responses with"},
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{"rother", OPT_ROTHER, '<', "Other certificates to include in response"},
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{"rmd", OPT_RMD, 's'},
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{"header", OPT_HEADER, 's', "key=value header to add"},
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{"", OPT_MD, '-', "Any supported digest"},
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OPT_V_OPTIONS,
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{NULL}
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};
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int ocsp_main(int argc, char **argv)
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{
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BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
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const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
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CA_DB *rdb = NULL;
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EVP_PKEY *key = NULL, *rkey = NULL;
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OCSP_BASICRESP *bs = NULL;
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OCSP_REQUEST *req = NULL;
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OCSP_RESPONSE *resp = NULL;
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STACK_OF(CONF_VALUE) *headers = NULL;
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STACK_OF(OCSP_CERTID) *ids = NULL;
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STACK_OF(OPENSSL_STRING) *reqnames = NULL;
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STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
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STACK_OF(X509) *issuers = NULL;
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X509 *issuer = NULL, *cert = NULL, *rca_cert = NULL;
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X509 *signer = NULL, *rsigner = NULL;
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X509_STORE *store = NULL;
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X509_VERIFY_PARAM *vpm = NULL;
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char *CAfile = NULL, *CApath = NULL, *header, *value;
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char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
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char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
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char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
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char *rsignfile = NULL, *rkeyfile = NULL;
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char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
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char *signfile = NULL, *keyfile = NULL;
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char *thost = NULL, *tport = NULL, *tpath = NULL;
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int noCAfile = 0, noCApath = 0;
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int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
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int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
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int req_text = 0, resp_text = 0, req_timeout = -1, ret = 1;
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long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
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unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
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OPTION_CHOICE o;
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char *prog;
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reqnames = sk_OPENSSL_STRING_new_null();
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if (!reqnames)
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goto end;
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ids = sk_OCSP_CERTID_new_null();
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if (!ids)
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goto end;
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if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
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return 1;
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prog = opt_init(argc, argv, ocsp_options);
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while ((o = opt_next()) != OPT_EOF) {
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switch (o) {
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case OPT_EOF:
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case OPT_ERR:
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opthelp:
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BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
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goto end;
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case OPT_HELP:
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ret = 0;
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opt_help(ocsp_options);
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goto end;
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case OPT_OUTFILE:
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outfile = opt_arg();
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break;
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case OPT_TIMEOUT:
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req_timeout = atoi(opt_arg());
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break;
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case OPT_URL:
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OPENSSL_free(thost);
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OPENSSL_free(tport);
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OPENSSL_free(tpath);
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thost = tport = tpath = NULL;
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if (!OCSP_parse_url(opt_arg(), &host, &port, &path, &use_ssl)) {
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BIO_printf(bio_err, "%s Error parsing URL\n", prog);
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goto end;
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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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break;
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case OPT_HOST:
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host = opt_arg();
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break;
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case OPT_PORT:
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port = opt_arg();
|
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break;
|
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case OPT_IGNORE_ERR:
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ignore_err = 1;
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break;
|
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case OPT_NOVERIFY:
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noverify = 1;
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break;
|
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case OPT_NONCE:
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add_nonce = 2;
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break;
|
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case OPT_NO_NONCE:
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add_nonce = 0;
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break;
|
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case OPT_RESP_NO_CERTS:
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rflags |= OCSP_NOCERTS;
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break;
|
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case OPT_RESP_KEY_ID:
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rflags |= OCSP_RESPID_KEY;
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break;
|
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case OPT_NO_CERTS:
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sign_flags |= OCSP_NOCERTS;
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break;
|
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case OPT_NO_SIGNATURE_VERIFY:
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verify_flags |= OCSP_NOSIGS;
|
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break;
|
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case OPT_NO_CERT_VERIFY:
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verify_flags |= OCSP_NOVERIFY;
|
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break;
|
|
case OPT_NO_CHAIN:
|
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verify_flags |= OCSP_NOCHAIN;
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break;
|
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case OPT_NO_CERT_CHECKS:
|
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verify_flags |= OCSP_NOCHECKS;
|
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break;
|
|
case OPT_NO_EXPLICIT:
|
|
verify_flags |= OCSP_NOEXPLICIT;
|
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break;
|
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case OPT_TRUST_OTHER:
|
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verify_flags |= OCSP_TRUSTOTHER;
|
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break;
|
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case OPT_NO_INTERN:
|
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verify_flags |= OCSP_NOINTERN;
|
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break;
|
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case OPT_BADSIG:
|
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badsig = 1;
|
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break;
|
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case OPT_TEXT:
|
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req_text = resp_text = 1;
|
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break;
|
|
case OPT_REQ_TEXT:
|
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req_text = 1;
|
|
break;
|
|
case OPT_RESP_TEXT:
|
|
resp_text = 1;
|
|
break;
|
|
case OPT_REQIN:
|
|
reqin = opt_arg();
|
|
break;
|
|
case OPT_RESPIN:
|
|
respin = opt_arg();
|
|
break;
|
|
case OPT_SIGNER:
|
|
signfile = opt_arg();
|
|
break;
|
|
case OPT_VAFILE:
|
|
verify_certfile = opt_arg();
|
|
verify_flags |= OCSP_TRUSTOTHER;
|
|
break;
|
|
case OPT_SIGN_OTHER:
|
|
sign_certfile = opt_arg();
|
|
break;
|
|
case OPT_VERIFY_OTHER:
|
|
verify_certfile = opt_arg();
|
|
break;
|
|
case OPT_CAFILE:
|
|
CAfile = opt_arg();
|
|
break;
|
|
case OPT_CAPATH:
|
|
CApath = opt_arg();
|
|
break;
|
|
case OPT_NOCAFILE:
|
|
noCAfile = 1;
|
|
break;
|
|
case OPT_NOCAPATH:
|
|
noCApath = 1;
|
|
break;
|
|
case OPT_V_CASES:
|
|
if (!opt_verify(o, vpm))
|
|
goto end;
|
|
vpmtouched++;
|
|
break;
|
|
case OPT_VALIDITY_PERIOD:
|
|
opt_long(opt_arg(), &nsec);
|
|
break;
|
|
case OPT_STATUS_AGE:
|
|
opt_long(opt_arg(), &maxage);
|
|
break;
|
|
case OPT_SIGNKEY:
|
|
keyfile = opt_arg();
|
|
break;
|
|
case OPT_REQOUT:
|
|
reqout = opt_arg();
|
|
break;
|
|
case OPT_RESPOUT:
|
|
respout = opt_arg();
|
|
break;
|
|
case OPT_PATH:
|
|
path = opt_arg();
|
|
break;
|
|
case OPT_ISSUER:
|
|
issuer = load_cert(opt_arg(), FORMAT_PEM,
|
|
NULL, NULL, "issuer certificate");
|
|
if (issuer == NULL)
|
|
goto end;
|
|
if (issuers == NULL) {
|
|
if ((issuers = sk_X509_new_null()) == NULL)
|
|
goto end;
|
|
}
|
|
sk_X509_push(issuers, issuer);
|
|
break;
|
|
case OPT_CERT:
|
|
X509_free(cert);
|
|
cert = load_cert(opt_arg(), FORMAT_PEM,
|
|
NULL, NULL, "certificate");
|
|
if (cert == NULL)
|
|
goto end;
|
|
if (cert_id_md == NULL)
|
|
cert_id_md = EVP_sha1();
|
|
if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
|
|
goto end;
|
|
if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
|
|
goto end;
|
|
break;
|
|
case OPT_SERIAL:
|
|
if (cert_id_md == NULL)
|
|
cert_id_md = EVP_sha1();
|
|
if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
|
|
goto end;
|
|
if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
|
|
goto end;
|
|
break;
|
|
case OPT_INDEX:
|
|
ridx_filename = opt_arg();
|
|
break;
|
|
case OPT_CA:
|
|
rca_filename = opt_arg();
|
|
break;
|
|
case OPT_NMIN:
|
|
opt_int(opt_arg(), &nmin);
|
|
if (ndays == -1)
|
|
ndays = 0;
|
|
break;
|
|
case OPT_REQUEST:
|
|
opt_int(opt_arg(), &accept_count);
|
|
break;
|
|
case OPT_NDAYS:
|
|
ndays = atoi(opt_arg());
|
|
break;
|
|
case OPT_RSIGNER:
|
|
rsignfile = opt_arg();
|
|
break;
|
|
case OPT_RKEY:
|
|
rkeyfile = opt_arg();
|
|
break;
|
|
case OPT_ROTHER:
|
|
rcertfile = opt_arg();
|
|
break;
|
|
case OPT_RMD:
|
|
if (!opt_md(opt_arg(), &rsign_md))
|
|
goto end;
|
|
break;
|
|
case OPT_HEADER:
|
|
header = opt_arg();
|
|
value = strchr(header, '=');
|
|
if (value == NULL) {
|
|
BIO_printf(bio_err, "Missing = in header key=value\n");
|
|
goto opthelp;
|
|
}
|
|
*value++ = '\0';
|
|
if (!X509V3_add_value(header, value, &headers))
|
|
goto end;
|
|
break;
|
|
case OPT_MD:
|
|
if (cert_id_md != NULL) {
|
|
BIO_printf(bio_err,
|
|
"%s: Digest must be before -cert or -serial\n",
|
|
prog);
|
|
goto opthelp;
|
|
}
|
|
if (!opt_md(opt_unknown(), &cert_id_md))
|
|
goto opthelp;
|
|
break;
|
|
}
|
|
}
|
|
argc = opt_num_rest();
|
|
argv = opt_rest();
|
|
|
|
/* Have we anything to do? */
|
|
if (!req && !reqin && !respin && !(port && ridx_filename))
|
|
goto opthelp;
|
|
|
|
out = bio_open_default(outfile, 'w', FORMAT_TEXT);
|
|
if (out == NULL)
|
|
goto end;
|
|
|
|
if (!req && (add_nonce != 2))
|
|
add_nonce = 0;
|
|
|
|
if (!req && reqin) {
|
|
derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
|
|
if (derbio == NULL)
|
|
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(rsignfile, FORMAT_PEM,
|
|
NULL, NULL, "responder certificate");
|
|
if (!rsigner) {
|
|
BIO_printf(bio_err, "Error loading responder certificate\n");
|
|
goto end;
|
|
}
|
|
rca_cert = load_cert(rca_filename, FORMAT_PEM,
|
|
NULL, NULL, "CA certificate");
|
|
if (rcertfile) {
|
|
if (!load_certs(rcertfile, &rother, FORMAT_PEM, NULL, NULL,
|
|
"responder other certificates"))
|
|
goto end;
|
|
}
|
|
rkey = load_key(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(signfile, FORMAT_PEM,
|
|
NULL, NULL, "signer certificate");
|
|
if (!signer) {
|
|
BIO_printf(bio_err, "Error loading signer certificate\n");
|
|
goto end;
|
|
}
|
|
if (sign_certfile) {
|
|
if (!load_certs(sign_certfile, &sign_other, FORMAT_PEM, NULL, NULL,
|
|
"signer certificates"))
|
|
goto end;
|
|
}
|
|
key = load_key(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) {
|
|
derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
|
|
if (derbio == NULL)
|
|
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) {
|
|
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(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) {
|
|
derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
|
|
if (derbio == NULL)
|
|
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) {
|
|
derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
|
|
if (derbio == NULL)
|
|
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 not unlimited, see if we took all we should. */
|
|
if (accept_count != -1 && --accept_count <= 0) {
|
|
ret = 0;
|
|
goto end;
|
|
}
|
|
BIO_free_all(cbio);
|
|
cbio = NULL;
|
|
OCSP_REQUEST_free(req);
|
|
req = NULL;
|
|
OCSP_RESPONSE_free(resp);
|
|
resp = NULL;
|
|
goto redo_accept;
|
|
}
|
|
if (ridx_filename) {
|
|
ret = 0;
|
|
goto end;
|
|
}
|
|
|
|
if (!store) {
|
|
store = setup_verify(CAfile, CApath, noCAfile, noCApath);
|
|
if (!store)
|
|
goto end;
|
|
}
|
|
if (vpmtouched)
|
|
X509_STORE_set1_param(store, vpm);
|
|
if (verify_certfile) {
|
|
if (!load_certs(verify_certfile, &verify_other, FORMAT_PEM, NULL, NULL,
|
|
"validator certificate"))
|
|
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 && issuers) {
|
|
i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
|
|
if (i > 0)
|
|
ERR_clear_error();
|
|
}
|
|
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");
|
|
|
|
}
|
|
|
|
print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage);
|
|
|
|
end:
|
|
ERR_print_errors(bio_err);
|
|
X509_free(signer);
|
|
X509_STORE_free(store);
|
|
X509_VERIFY_PARAM_free(vpm);
|
|
EVP_PKEY_free(key);
|
|
EVP_PKEY_free(rkey);
|
|
X509_free(cert);
|
|
sk_X509_pop_free(issuers, X509_free);
|
|
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);
|
|
OPENSSL_free(thost);
|
|
OPENSSL_free(tport);
|
|
OPENSSL_free(tpath);
|
|
|
|
return (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 == NULL)
|
|
*req = OCSP_REQUEST_new();
|
|
if (*req == NULL)
|
|
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 == NULL)
|
|
*req = OCSP_REQUEST_new();
|
|
if (*req == NULL)
|
|
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 == NULL || !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 void 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, status, reason;
|
|
ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
|
|
|
|
if (!bs || !req || !sk_OPENSSL_STRING_num(names)
|
|
|| !sk_OCSP_CERTID_num(ids))
|
|
return;
|
|
|
|
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");
|
|
}
|
|
}
|
|
|
|
static void 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;
|
|
|
|
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;
|
|
}
|
|
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) {
|
|
ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs);
|
|
unsigned char *sigptr = ASN1_STRING_data(sig);
|
|
sigptr[ASN1_STRING_length(sig) - 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);
|
|
}
|
|
|
|
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 = OPENSSL_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;
|
|
|
|
# ifdef OPENSSL_NO_SOCK
|
|
BIO_printf(bio_err,
|
|
"Error setting up accept BIO - sockets not supported.\n");
|
|
return NULL;
|
|
# endif
|
|
bufbio = BIO_new(BIO_f_buffer());
|
|
if (bufbio == NULL)
|
|
goto err;
|
|
acbio = BIO_new(BIO_s_accept());
|
|
if (acbio == NULL
|
|
|| BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR) < 0
|
|
|| BIO_set_accept_port(acbio, port) < 0) {
|
|
BIO_printf(bio_err, "Error setting up accept BIO\n");
|
|
ERR_print_errors(bio_err);
|
|
goto err;
|
|
}
|
|
|
|
BIO_set_accept_bios(acbio, bufbio);
|
|
bufbio = NULL;
|
|
if (BIO_do_accept(acbio) <= 0) {
|
|
BIO_printf(bio_err, "Error starting accept\n");
|
|
ERR_print_errors(bio_err);
|
|
goto err;
|
|
}
|
|
|
|
return acbio;
|
|
|
|
err:
|
|
BIO_free_all(acbio);
|
|
BIO_free(bufbio);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
* Decode %xx URL-decoding in-place. Ignores mal-formed sequences.
|
|
*/
|
|
static int urldecode(char *p)
|
|
{
|
|
unsigned char *out = (unsigned char *)p;
|
|
unsigned char *save = out;
|
|
|
|
for (; *p; p++) {
|
|
if (*p != '%')
|
|
*out++ = *p;
|
|
else if (isxdigit(p[1]) && isxdigit(p[2])) {
|
|
*out++ = (app_hex(p[1]) << 4) | app_hex(p[2]);
|
|
p += 2;
|
|
}
|
|
else
|
|
return -1;
|
|
}
|
|
*out = '\0';
|
|
return (int)(out - save);
|
|
}
|
|
|
|
static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
|
|
const char *port)
|
|
{
|
|
int len;
|
|
OCSP_REQUEST *req = NULL;
|
|
char inbuf[2048], reqbuf[2048];
|
|
char *p, *q;
|
|
BIO *cbio = NULL, *getbio = NULL, *b64 = 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;
|
|
|
|
/* Read the request line. */
|
|
len = BIO_gets(cbio, reqbuf, sizeof reqbuf);
|
|
if (len <= 0)
|
|
return 1;
|
|
if (strncmp(reqbuf, "GET ", 4) == 0) {
|
|
/* Expecting GET {sp} /URL {sp} HTTP/1.x */
|
|
for (p = reqbuf + 4; *p == ' '; ++p)
|
|
continue;
|
|
if (*p != '/') {
|
|
BIO_printf(bio_err, "Invalid request -- bad URL\n");
|
|
return 1;
|
|
}
|
|
p++;
|
|
|
|
/* Splice off the HTTP version identifier. */
|
|
for (q = p; *q; q++)
|
|
if (*q == ' ')
|
|
break;
|
|
if (strncmp(q, " HTTP/1.", 8) != 0) {
|
|
BIO_printf(bio_err, "Invalid request -- bad HTTP vesion\n");
|
|
return 1;
|
|
}
|
|
*q = '\0';
|
|
len = urldecode(p);
|
|
if (len <= 0) {
|
|
BIO_printf(bio_err, "Invalid request -- bad URL encoding\n");
|
|
return 1;
|
|
}
|
|
if ((getbio = BIO_new_mem_buf(p, len)) == NULL
|
|
|| (b64 = BIO_new(BIO_f_base64())) == NULL) {
|
|
BIO_printf(bio_err, "Could not allocate memory\n");
|
|
ERR_print_errors(bio_err);
|
|
return 1;
|
|
}
|
|
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
|
|
getbio = BIO_push(b64, getbio);
|
|
} else if (strncmp(reqbuf, "POST ", 5) != 0) {
|
|
BIO_printf(bio_err, "Invalid request -- bad HTTP verb\n");
|
|
return 1;
|
|
}
|
|
|
|
/* Read and skip past the headers. */
|
|
for (;;) {
|
|
len = BIO_gets(cbio, inbuf, sizeof inbuf);
|
|
if (len <= 0)
|
|
return 1;
|
|
if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
|
|
break;
|
|
}
|
|
|
|
/* Try to read OCSP request */
|
|
if (getbio) {
|
|
req = d2i_OCSP_REQUEST_bio(getbio, NULL);
|
|
BIO_free_all(getbio);
|
|
} else
|
|
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 *cbio, const char *host,
|
|
const char *path,
|
|
const STACK_OF(CONF_VALUE) *headers,
|
|
OCSP_REQUEST *req, int req_timeout)
|
|
{
|
|
int fd;
|
|
int rv;
|
|
int i;
|
|
int add_host = 1;
|
|
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(bio_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(bio_err, "Timeout on connect\n");
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
ctx = OCSP_sendreq_new(cbio, path, NULL, -1);
|
|
if (ctx == NULL)
|
|
return NULL;
|
|
|
|
for (i = 0; i < sk_CONF_VALUE_num(headers); i++) {
|
|
CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i);
|
|
if (add_host == 1 && strcasecmp("host", hdr->name) == 0)
|
|
add_host = 0;
|
|
if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value))
|
|
goto err;
|
|
}
|
|
|
|
if (add_host == 1 && OCSP_REQ_CTX_add1_header(ctx, "Host", host) == 0)
|
|
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(bio_err, "Unexpected retry condition\n");
|
|
goto err;
|
|
}
|
|
if (rv == 0) {
|
|
BIO_puts(bio_err, "Timeout on request\n");
|
|
break;
|
|
}
|
|
if (rv == -1) {
|
|
BIO_puts(bio_err, "Select error\n");
|
|
break;
|
|
}
|
|
|
|
}
|
|
err:
|
|
OCSP_REQ_CTX_free(ctx);
|
|
|
|
return rsp;
|
|
}
|
|
|
|
OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,
|
|
const char *host, const char *path,
|
|
const char *port, int use_ssl,
|
|
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(bio_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(TLS_client_method());
|
|
if (ctx == NULL) {
|
|
BIO_printf(bio_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(cbio, host, path, headers, req, req_timeout);
|
|
if (!resp)
|
|
BIO_printf(bio_err, "Error querying OCSP responder\n");
|
|
end:
|
|
BIO_free_all(cbio);
|
|
SSL_CTX_free(ctx);
|
|
return resp;
|
|
}
|
|
|
|
#endif
|