ocsp.c

mediastreamer2是开源的网络传输媒体流的库

/* ocsp.c */
/* Written by Dr Stephen N Henson ([e-mail]) for the OpenSSL
 * project 2000.
 */
/* ====================================================================
 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    [e-mail].
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * ([e-mail]).  This product includes software written by Tim
 * Hudson ([e-mail]).
 *
 */
#ifndef OPENSSL_NO_OCSP

#include <stdio.h>
#include <string.h>
#include "apps.h"
#include <openssl/pem.h>
#include <openssl/ocsp.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
#include <openssl/bn.h>

/* Maximum leeway in validity period: default 5 minutes */
#define MAX_VALIDITY_PERIOD	(5 * 60)

static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer,
				STACK_OF(OCSP_CERTID) *ids);
static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer,
				STACK_OF(OCSP_CERTID) *ids);
static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
				STACK *names, STACK_OF(OCSP_CERTID) *ids,
				long nsec, long maxage);

static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db,
			X509 *ca, X509 *rcert, EVP_PKEY *rkey,
			STACK_OF(X509) *rother, unsigned long flags,
			int nmin, int ndays);

static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
static BIO *init_responder(char *port);
static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port);
static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);

#undef PROG
#define PROG ocsp_main

int MAIN(int, char **);

int MAIN(int argc, char **argv)
	{
	ENGINE *e = NULL;
	char **args;
	char *host = NULL, *port = NULL, *path = "/";
	char *reqin = NULL, *respin = NULL;
	char *reqout = NULL, *respout = NULL;
	char *signfile = NULL, *keyfile = NULL;
	char *rsignfile = NULL, *rkeyfile = NULL;
	char *outfile = NULL;
	int add_nonce = 1, noverify = 0, use_ssl = -1;
	OCSP_REQUEST *req = NULL;
	OCSP_RESPONSE *resp = NULL;
	OCSP_BASICRESP *bs = NULL;
	X509 *issuer = NULL, *cert = NULL;
	X509 *signer = NULL, *rsigner = NULL;
	EVP_PKEY *key = NULL, *rkey = NULL;
	BIO *acbio = NULL, *cbio = NULL;
	BIO *derbio = NULL;
	BIO *out = NULL;
	int req_text = 0, resp_text = 0;
	long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
	char *CAfile = NULL, *CApath = NULL;
	X509_STORE *store = NULL;
	SSL_CTX *ctx = NULL;
	STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
	char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
	unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
	int ret = 1;
	int accept_count = -1;
	int badarg = 0;
	int i;
	int ignore_err = 0;
	STACK *reqnames = NULL;
	STACK_OF(OCSP_CERTID) *ids = NULL;

	X509 *rca_cert = NULL;
	char *ridx_filename = NULL;
	char *rca_filename = NULL;
	CA_DB *rdb = NULL;
	int nmin = 0, ndays = -1;

	if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);

	if (!load_config(bio_err, NULL))
		goto end;
	SSL_load_error_strings();
	args = argv + 1;
	reqnames = sk_new_null();
	ids = sk_OCSP_CERTID_new_null();
	while (!badarg && *args && *args[0] == '-')
		{
		if (!strcmp(*args, "-out"))
			{
			if (args[1])
				{
				args++;
				outfile = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp(*args, "-url"))
			{
			if (args[1])
				{
				args++;
				if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl))
					{
					BIO_printf(bio_err, "Error parsing URL\n");
					badarg = 1;
					}
				}
			else badarg = 1;
			}
		else if (!strcmp(*args, "-host"))
			{
			if (args[1])
				{
				args++;
				host = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp(*args, "-port"))
			{
			if (args[1])
				{
				args++;
				port = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp(*args, "-ignore_err"))
			ignore_err = 1;
		else if (!strcmp(*args, "-noverify"))
			noverify = 1;
		else if (!strcmp(*args, "-nonce"))
			add_nonce = 2;
		else if (!strcmp(*args, "-no_nonce"))
			add_nonce = 0;
		else if (!strcmp(*args, "-resp_no_certs"))
			rflags |= OCSP_NOCERTS;
		else if (!strcmp(*args, "-resp_key_id"))
			rflags |= OCSP_RESPID_KEY;
		else if (!strcmp(*args, "-no_certs"))
			sign_flags |= OCSP_NOCERTS;
		else if (!strcmp(*args, "-no_signature_verify"))
			verify_flags |= OCSP_NOSIGS;
		else if (!strcmp(*args, "-no_cert_verify"))
			verify_flags |= OCSP_NOVERIFY;
		else if (!strcmp(*args, "-no_chain"))
			verify_flags |= OCSP_NOCHAIN;
		else if (!strcmp(*args, "-no_cert_checks"))
			verify_flags |= OCSP_NOCHECKS;
		else if (!strcmp(*args, "-no_explicit"))
			verify_flags |= OCSP_NOEXPLICIT;
		else if (!strcmp(*args, "-trust_other"))
			verify_flags |= OCSP_TRUSTOTHER;
		else if (!strcmp(*args, "-no_intern"))
			verify_flags |= OCSP_NOINTERN;
		else if (!strcmp(*args, "-text"))
			{
			req_text = 1;
			resp_text = 1;
			}
		else if (!strcmp(*args, "-req_text"))
			req_text = 1;
		else if (!strcmp(*args, "-resp_text"))
			resp_text = 1;
		else if (!strcmp(*args, "-reqin"))
			{
			if (args[1])
				{
				args++;
				reqin = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp(*args, "-respin"))
			{
			if (args[1])
				{
				args++;
				respin = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp(*args, "-signer"))
			{
			if (args[1])
				{
				args++;
				signfile = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp (*args, "-VAfile"))
			{
			if (args[1])
				{
				args++;
				verify_certfile = *args;
				verify_flags |= OCSP_TRUSTOTHER;
				}
			else badarg = 1;
			}
		else if (!strcmp(*args, "-sign_other"))
			{
			if (args[1])
				{
				args++;
				sign_certfile = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp(*args, "-verify_other"))
			{
			if (args[1])
				{
				args++;
				verify_certfile = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp (*args, "-CAfile"))
			{
			if (args[1])
				{
				args++;
				CAfile = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp (*args, "-CApath"))
			{
			if (args[1])
				{
				args++;
				CApath = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp (*args, "-validity_period"))
			{
			if (args[1])
				{
				args++;
				nsec = atol(*args);
				if (nsec < 0)
					{
					BIO_printf(bio_err,
						"Illegal validity period %s\n",
						*args);
					badarg = 1;
					}
				}
			else badarg = 1;
			}
		else if (!strcmp (*args, "-status_age"))
			{
			if (args[1])
				{
				args++;
				maxage = atol(*args);
				if (maxage < 0)
					{
					BIO_printf(bio_err,
						"Illegal validity age %s\n",
						*args);
					badarg = 1;
					}
				}
			else badarg = 1;
			}
		 else if (!strcmp(*args, "-signkey"))
			{
			if (args[1])
				{
				args++;
				keyfile = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp(*args, "-reqout"))
			{
			if (args[1])
				{
				args++;
				reqout = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp(*args, "-respout"))
			{
			if (args[1])
				{
				args++;
				respout = *args;
				}
			else badarg = 1;
			}
		 else if (!strcmp(*args, "-path"))
			{
			if (args[1])
				{
				args++;
				path = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp(*args, "-issuer"))
			{
			if (args[1])
				{
				args++;
				X509_free(issuer);
				issuer = load_cert(bio_err, *args, FORMAT_PEM,
					NULL, e, "issuer certificate");
				if(!issuer) goto end;
				}
			else badarg = 1;
			}
		else if (!strcmp (*args, "-cert"))
			{
			if (args[1])
				{
				args++;
				X509_free(cert);
				cert = load_cert(bio_err, *args, FORMAT_PEM,
					NULL, e, "certificate");
				if(!cert) goto end;
				if(!add_ocsp_cert(&req, cert, issuer, ids))
					goto end;
				if(!sk_push(reqnames, *args))
					goto end;
				}
			else badarg = 1;
			}
		else if (!strcmp(*args, "-serial"))
			{
			if (args[1])
				{
				args++;
				if(!add_ocsp_serial(&req, *args, issuer, ids))
					goto end;
				if(!sk_push(reqnames, *args))
					goto end;
				}
			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++;
				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 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, "-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");
		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)
		{
		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;