s_server.c 88.1 KB
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/* apps/s_server.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * 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 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 acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS 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 AUTHOR OR 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.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */
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/* ====================================================================
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 * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
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 *
 * 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
 *    openssl-core@openssl.org.
 *
 * 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
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */
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/* ====================================================================
 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
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 * ECC cipher suite support in OpenSSL originally developed by 
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 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 */
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/* ====================================================================
 * Copyright 2005 Nokia. All rights reserved.
 *
 * The portions of the attached software ("Contribution") is developed by
 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 * license.
 *
 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 * support (see RFC 4279) to OpenSSL.
 *
 * No patent licenses or other rights except those expressly stated in
 * the OpenSSL open source license shall be deemed granted or received
 * expressly, by implication, estoppel, or otherwise.
 *
 * No assurances are provided by Nokia that the Contribution does not
 * infringe the patent or other intellectual property rights of any third
 * party or that the license provides you with all the necessary rights
 * to make use of the Contribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 * OTHERWISE.
 */
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/* Until the key-gen callbacks are modified to use newer prototypes, we allow
 * deprecated functions for openssl-internal code */
#ifdef OPENSSL_NO_DEPRECATED
#undef OPENSSL_NO_DEPRECATED
#endif

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#include <assert.h>
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#include <ctype.h>
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
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#include <openssl/e_os2.h>
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#ifdef OPENSSL_NO_STDIO
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#define APPS_WIN16
#endif

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#if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
#include <sys/types.h>
#endif

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/* With IPv6, it looks like Digital has mixed up the proper order of
   recursive header file inclusion, resulting in the compiler complaining
   that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
   is needed to have fileno() declared correctly...  So let's define u_int */
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#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
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#define __U_INT
typedef unsigned int u_int;
#endif

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#include <openssl/lhash.h>
#include <openssl/bn.h>
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#define USE_SOCKETS
#include "apps.h"
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#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/x509.h>
#include <openssl/ssl.h>
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#include <openssl/rand.h>
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#include <openssl/ocsp.h>
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#ifndef OPENSSL_NO_DH
#include <openssl/dh.h>
#endif
#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
#endif
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#ifndef OPENSSL_NO_SRP
#include <openssl/srp.h>
#endif
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#include "s_apps.h"
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#include "timeouts.h"
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#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
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/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
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#undef FIONBIO
#endif

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#if defined(OPENSSL_SYS_BEOS_R5)
#include <fcntl.h>
#endif

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#ifndef OPENSSL_NO_RSA
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static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
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#endif
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static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
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static int sv_body(char *hostname, int s, int stype, unsigned char *context);
static int www_body(char *hostname, int s, int stype, unsigned char *context);
static int rev_body(char *hostname, int s, int stype, unsigned char *context);
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static void close_accept_socket(void );
static void sv_usage(void);
static int init_ssl_connection(SSL *s);
static void print_stats(BIO *bp,SSL_CTX *ctx);
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static int generate_session_id(const SSL *ssl, unsigned char *id,
				unsigned int *id_len);
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static void init_session_cache_ctx(SSL_CTX *sctx);
static void free_sessions(void);
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#ifndef OPENSSL_NO_DH
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static DH *load_dh_param(const char *dhfile);
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static DH *get_dh512(void);
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#endif
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#ifdef MONOLITH
static void s_server_init(void);
#endif
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#ifndef OPENSSL_NO_DH
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static unsigned char dh512_p[]={
	0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
	0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
	0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
	0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
	0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
	0x47,0x74,0xE8,0x33,
	};
static unsigned char dh512_g[]={
	0x02,
	};

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static DH *get_dh512(void)
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	{
	DH *dh=NULL;

	if ((dh=DH_new()) == NULL) return(NULL);
	dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
	dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
	if ((dh->p == NULL) || (dh->g == NULL))
		return(NULL);
	return(dh);
	}
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#endif
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/* static int load_CA(SSL_CTX *ctx, char *file);*/

#undef BUFSIZZ
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#define BUFSIZZ	16*1024
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static int bufsize=BUFSIZZ;
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static int accept_socket= -1;

#define TEST_CERT	"server.pem"
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#ifndef OPENSSL_NO_TLSEXT
#define TEST_CERT2	"server2.pem"
#endif
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#undef PROG
#define PROG		s_server_main

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extern int verify_depth, verify_return_error, verify_quiet;
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static int s_server_verify=SSL_VERIFY_NONE;
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static int s_server_session_id_context = 1; /* anything will do */
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static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
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#ifndef OPENSSL_NO_TLSEXT
static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
#endif
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static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
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#ifdef FIONBIO
static int s_nbio=0;
#endif
static int s_nbio_test=0;
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int s_crlf=0;
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static SSL_CTX *ctx=NULL;
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#ifndef OPENSSL_NO_TLSEXT
static SSL_CTX *ctx2=NULL;
#endif
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static int www=0;

static BIO *bio_s_out=NULL;
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static BIO *bio_s_msg = NULL;
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static int s_debug=0;
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#ifndef OPENSSL_NO_TLSEXT
static int s_tlsextdebug=0;
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static int s_tlsextstatus=0;
static int cert_status_cb(SSL *s, void *arg);
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#endif
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static int no_resume_ephemeral = 0;
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static int s_msg=0;
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static int s_quiet=0;
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static int s_ign_eof=0;
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static int s_brief=0;
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static char *keymatexportlabel=NULL;
static int keymatexportlen=20;

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static int hack=0;
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#ifndef OPENSSL_NO_ENGINE
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static char *engine_id=NULL;
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#endif
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static const char *session_id_prefix=NULL;
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static int enable_timeouts = 0;
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static long socket_mtu;
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#ifndef OPENSSL_NO_DTLS1
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static int cert_chain = 0;
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#endif
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#ifndef OPENSSL_NO_TLSEXT
static BIO *authz_in = NULL;
static const char *s_authz_file = NULL;
#endif
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#ifndef OPENSSL_NO_PSK
static char *psk_identity="Client_identity";
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char *psk_key=NULL; /* by default PSK is not used */
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static unsigned int psk_server_cb(SSL *ssl, const char *identity,
	unsigned char *psk, unsigned int max_psk_len)
	{
	unsigned int psk_len = 0;
	int ret;
	BIGNUM *bn = NULL;

	if (s_debug)
		BIO_printf(bio_s_out,"psk_server_cb\n");
	if (!identity)
		{
		BIO_printf(bio_err,"Error: client did not send PSK identity\n");
		goto out_err;
		}
	if (s_debug)
		BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
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			identity ? (int)strlen(identity) : 0, identity);
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	/* here we could lookup the given identity e.g. from a database */
  	if (strcmp(identity, psk_identity) != 0)
		{
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                BIO_printf(bio_s_out, "PSK error: client identity not found"
			   " (got '%s' expected '%s')\n", identity,
			   psk_identity);
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		goto out_err;
                }
	if (s_debug)
		BIO_printf(bio_s_out, "PSK client identity found\n");

	/* convert the PSK key to binary */
	ret = BN_hex2bn(&bn, psk_key);
	if (!ret)
		{
		BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
		if (bn)
			BN_free(bn);
		return 0;
		}
	if (BN_num_bytes(bn) > (int)max_psk_len)
		{
		BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
			max_psk_len, BN_num_bytes(bn));
		BN_free(bn);
		return 0;
		}

	ret = BN_bn2bin(bn, psk);
	BN_free(bn);

	if (ret < 0)
		goto out_err;
	psk_len = (unsigned int)ret;

	if (s_debug)
		BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
        return psk_len;
 out_err:
	if (s_debug)
		BIO_printf(bio_err, "Error in PSK server callback\n");
	return 0;
        }
#endif
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#ifndef OPENSSL_NO_SRP
/* This is a context that we pass to callbacks */
typedef struct srpsrvparm_st
	{
	char *login;
	SRP_VBASE *vb;
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	SRP_user_pwd *user;
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	} srpsrvparm;

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/* This callback pretends to require some asynchronous logic in order to obtain
   a verifier. When the callback is called for a new connection we return
   with a negative value. This will provoke the accept etc to return with
   an LOOKUP_X509. The main logic of the reinvokes the suspended call 
   (which would normally occur after a worker has finished) and we
   set the user parameters. 
*/
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static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
	{
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	srpsrvparm *p = (srpsrvparm *)arg;
	if (p->login == NULL && p->user == NULL )
		{
		p->login = SSL_get_srp_username(s);
		BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
		return (-1) ;
		}
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	if (p->user == NULL)
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		{
		BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
		return SSL3_AL_FATAL;
		}
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	if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
				     p->user->info) < 0)
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		{
		*ad = SSL_AD_INTERNAL_ERROR;
		return SSL3_AL_FATAL;
		}
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	BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
	/* need to check whether there are memory leaks */
	p->user = NULL;
	p->login = NULL;
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	return SSL_ERROR_NONE;
	}

#endif

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#ifdef MONOLITH
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static void s_server_init(void)
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	{
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	accept_socket=-1;
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	s_server_verify=SSL_VERIFY_NONE;
	s_dcert_file=NULL;
	s_dkey_file=NULL;
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	s_dchain_file=NULL;
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	s_cert_file=TEST_CERT;
	s_key_file=NULL;
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	s_chain_file=NULL;
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#ifndef OPENSSL_NO_TLSEXT
	s_cert_file2=TEST_CERT2;
	s_key_file2=NULL;
	ctx2=NULL;
#endif
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#ifdef FIONBIO
	s_nbio=0;
#endif
	s_nbio_test=0;
	ctx=NULL;
	www=0;

	bio_s_out=NULL;
	s_debug=0;
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	s_msg=0;
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	s_quiet=0;
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	s_brief=0;
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	hack=0;
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#ifndef OPENSSL_NO_ENGINE
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	engine_id=NULL;
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#endif
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	}
#endif

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static void sv_usage(void)
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	{
	BIO_printf(bio_err,"usage: s_server [args ...]\n");
	BIO_printf(bio_err,"\n");
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	BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
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	BIO_printf(bio_err," -context arg  - set session ID context\n");
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	BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
	BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
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	BIO_printf(bio_err," -cert arg     - certificate file to use\n");
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	BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
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	BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
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	BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
	                   "                 The CRL(s) are appended to the certificate file\n");
	BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
	                   "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
	                   "                 the certificate file.\n");
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	BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
	BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
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	BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
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	BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
	BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
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	BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
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	BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
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	BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
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	BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
	BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
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	BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
	BIO_printf(bio_err,"                 or a default set of parameters is used\n");
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#ifndef OPENSSL_NO_ECDH
	BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
	                   "                 Use \"openssl ecparam -list_curves\" for all names\n" \
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	                   "                 (default is nistp256).\n");
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#endif
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#ifdef FIONBIO
	BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
#endif
	BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
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	BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
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	BIO_printf(bio_err," -debug        - Print more output\n");
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	BIO_printf(bio_err," -msg          - Show protocol messages\n");
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	BIO_printf(bio_err," -state        - Print the SSL states\n");
	BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
	BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
	BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
515
	BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
516
	BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
517 518
	BIO_printf(bio_err," -quiet        - No server output\n");
	BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
519 520 521
#ifndef OPENSSL_NO_PSK
	BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
	BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
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# ifndef OPENSSL_NO_JPAKE
523 524
	BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
# endif
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525 526 527 528
#endif
#ifndef OPENSSL_NO_SRP
	BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
	BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
529
#endif
530 531
	BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
	BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
532
	BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
533
	BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
534
	BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
B
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535
	BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
536
	BIO_printf(bio_err," -dtls1_2      - Just talk DTLSv1.2\n");
B
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537
	BIO_printf(bio_err," -timeout      - Enable timeouts\n");
D
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538
	BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
B
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539
	BIO_printf(bio_err," -chain        - Read a certificate chain\n");
540 541 542
	BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
	BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
	BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
543
	BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
544
	BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
545
#ifndef OPENSSL_NO_DH
B
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546
	BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
B
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547 548 549
#endif
#ifndef OPENSSL_NO_ECDH
	BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
B
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550
#endif
551
	BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
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552
	BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
553
	BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
554
	BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
555 556
	BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
        BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
557
#ifndef OPENSSL_NO_ENGINE
558
	BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
559
#endif
560
	BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
561
	BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
562
#ifndef OPENSSL_NO_TLSEXT
B
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563
	BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
564
	BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
565 566 567 568
	BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
	BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
	BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
	BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
569 570
	BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
	BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
571
	BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
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# ifndef OPENSSL_NO_NEXTPROTONEG
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573
	BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
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# endif
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        BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
576
#endif
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	BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
	BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
579 580
	}

581
static int local_argc=0;
582 583
static char **local_argv;

584 585 586 587
#ifdef CHARSET_EBCDIC
static int ebcdic_new(BIO *bi);
static int ebcdic_free(BIO *a);
static int ebcdic_read(BIO *b, char *out, int outl);
B
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588 589
static int ebcdic_write(BIO *b, const char *in, int inl);
static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
590
static int ebcdic_gets(BIO *bp, char *buf, int size);
B
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static int ebcdic_puts(BIO *bp, const char *str);
592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621

#define BIO_TYPE_EBCDIC_FILTER	(18|0x0200)
static BIO_METHOD methods_ebcdic=
	{
	BIO_TYPE_EBCDIC_FILTER,
	"EBCDIC/ASCII filter",
	ebcdic_write,
	ebcdic_read,
	ebcdic_puts,
	ebcdic_gets,
	ebcdic_ctrl,
	ebcdic_new,
	ebcdic_free,
	};

typedef struct
{
	size_t	alloced;
	char	buff[1];
} EBCDIC_OUTBUFF;

BIO_METHOD *BIO_f_ebcdic_filter()
{
	return(&methods_ebcdic);
}

static int ebcdic_new(BIO *bi)
{
	EBCDIC_OUTBUFF *wbuf;

622
	wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
623 624 625 626 627 628 629 630 631 632 633 634 635
	wbuf->alloced = 1024;
	wbuf->buff[0] = '\0';

	bi->ptr=(char *)wbuf;
	bi->init=1;
	bi->flags=0;
	return(1);
}

static int ebcdic_free(BIO *a)
{
	if (a == NULL) return(0);
	if (a->ptr != NULL)
636
		OPENSSL_free(a->ptr);
637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655
	a->ptr=NULL;
	a->init=0;
	a->flags=0;
	return(1);
}
	
static int ebcdic_read(BIO *b, char *out, int outl)
{
	int ret=0;

	if (out == NULL || outl == 0) return(0);
	if (b->next_bio == NULL) return(0);

	ret=BIO_read(b->next_bio,out,outl);
	if (ret > 0)
		ascii2ebcdic(out,out,ret);
	return(ret);
}

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656
static int ebcdic_write(BIO *b, const char *in, int inl)
657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672
{
	EBCDIC_OUTBUFF *wbuf;
	int ret=0;
	int num;
	unsigned char n;

	if ((in == NULL) || (inl <= 0)) return(0);
	if (b->next_bio == NULL) return(0);

	wbuf=(EBCDIC_OUTBUFF *)b->ptr;

	if (inl > (num = wbuf->alloced))
	{
		num = num + num;  /* double the size */
		if (num < inl)
			num = inl;
673 674
		OPENSSL_free(wbuf);
		wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
675 676 677 678 679 680 681 682 683 684 685 686 687 688

		wbuf->alloced = num;
		wbuf->buff[0] = '\0';

		b->ptr=(char *)wbuf;
	}

	ebcdic2ascii(wbuf->buff, in, inl);

	ret=BIO_write(b->next_bio, wbuf->buff, inl);

	return(ret);
}

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689
static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707
{
	long ret;

	if (b->next_bio == NULL) return(0);
	switch (cmd)
	{
	case BIO_CTRL_DUP:
		ret=0L;
		break;
	default:
		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
		break;
	}
	return(ret);
}

static int ebcdic_gets(BIO *bp, char *buf, int size)
{
B
Bodo Möller 已提交
708
	int i, ret=0;
709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726
	if (bp->next_bio == NULL) return(0);
/*	return(BIO_gets(bp->next_bio,buf,size));*/
	for (i=0; i<size-1; ++i)
	{
		ret = ebcdic_read(bp,&buf[i],1);
		if (ret <= 0)
			break;
		else if (buf[i] == '\n')
		{
			++i;
			break;
		}
	}
	if (i < size)
		buf[i] = '\0';
	return (ret < 0 && i == 0) ? ret : i;
}

B
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727
static int ebcdic_puts(BIO *bp, const char *str)
728 729 730 731 732 733
{
	if (bp->next_bio == NULL) return(0);
	return ebcdic_write(bp, str, strlen(str));
}
#endif

734 735 736 737 738 739
#ifndef OPENSSL_NO_TLSEXT

/* This is a context that we pass to callbacks */
typedef struct tlsextctx_st {
   char * servername;
   BIO * biodebug;
740
   int extension_error;
741 742 743
} tlsextctx;


B
Bodo Möller 已提交
744 745
static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
	{
746
	tlsextctx * p = (tlsextctx *) arg;
747
	const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
748
        if (servername && p->biodebug) 
749 750
		BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
        
B
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751
	if (!p->servername)
752
		return SSL_TLSEXT_ERR_NOACK;
753
	
B
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754 755
	if (servername)
		{
756
    		if (strcmp(servername,p->servername)) 
757 758 759
			return p->extension_error;
		if (ctx2)
			{
760
			BIO_printf(p->biodebug,"Switching server context.\n");
761
			SSL_set_SSL_CTX(s,ctx2);
B
Bodo Möller 已提交
762
			}     
B
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763
		}
764
	return SSL_TLSEXT_ERR_OK;
765
}
766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798

/* Structure passed to cert status callback */

typedef struct tlsextstatusctx_st {
   /* Default responder to use */
   char *host, *path, *port;
   int use_ssl;
   int timeout;
   BIO *err;
   int verbose;
} tlsextstatusctx;

static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};

/* Certificate Status callback. This is called when a client includes a
 * certificate status request extension.
 *
 * This is a simplified version. It examines certificates each time and
 * makes one OCSP responder query for each request.
 *
 * A full version would store details such as the OCSP certificate IDs and
 * minimise the number of OCSP responses by caching them until they were
 * considered "expired".
 */

static int cert_status_cb(SSL *s, void *arg)
	{
	tlsextstatusctx *srctx = arg;
	BIO *err = srctx->err;
	char *host, *port, *path;
	int use_ssl;
	unsigned char *rspder = NULL;
	int rspderlen;
D
Dr. Stephen Henson 已提交
799
	STACK_OF(OPENSSL_STRING) *aia = NULL;
800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820
	X509 *x = NULL;
	X509_STORE_CTX inctx;
	X509_OBJECT obj;
	OCSP_REQUEST *req = NULL;
	OCSP_RESPONSE *resp = NULL;
	OCSP_CERTID *id = NULL;
	STACK_OF(X509_EXTENSION) *exts;
	int ret = SSL_TLSEXT_ERR_NOACK;
	int i;
#if 0
STACK_OF(OCSP_RESPID) *ids;
SSL_get_tlsext_status_ids(s, &ids);
BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
#endif
	if (srctx->verbose)
		BIO_puts(err, "cert_status: callback called\n");
	/* Build up OCSP query from server certificate */
	x = SSL_get_certificate(s);
	aia = X509_get1_ocsp(x);
	if (aia)
		{
D
Dr. Stephen Henson 已提交
821
		if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
822 823 824 825 826 827 828
			&host, &port, &path, &use_ssl))
			{
			BIO_puts(err, "cert_status: can't parse AIA URL\n");
			goto err;
			}
		if (srctx->verbose)
			BIO_printf(err, "cert_status: AIA URL: %s\n",
D
Dr. Stephen Henson 已提交
829
					sk_OPENSSL_STRING_value(aia, 0));
830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873
		}
	else
		{
		if (!srctx->host)
			{
			BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
			goto done;
			}
		host = srctx->host;
		path = srctx->path;
		port = srctx->port;
		use_ssl = srctx->use_ssl;
		}
		
	if (!X509_STORE_CTX_init(&inctx,
				SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
				NULL, NULL))
		goto err;
	if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
				X509_get_issuer_name(x),&obj) <= 0)
		{
		BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
		X509_STORE_CTX_cleanup(&inctx);
		goto done;
		}
	req = OCSP_REQUEST_new();
	if (!req)
		goto err;
	id = OCSP_cert_to_id(NULL, x, obj.data.x509);
	X509_free(obj.data.x509);
	X509_STORE_CTX_cleanup(&inctx);
	if (!id)
		goto err;
	if (!OCSP_request_add0_id(req, id))
		goto err;
	id = NULL;
	/* Add any extensions to the request */
	SSL_get_tlsext_status_exts(s, &exts);
	for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
		{
		X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
		if (!OCSP_REQUEST_add_ext(req, ext, -1))
			goto err;
		}
D
Dr. Stephen Henson 已提交
874
	resp = process_responder(err, req, host, path, port, use_ssl, NULL,
875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911
					srctx->timeout);
	if (!resp)
		{
		BIO_puts(err, "cert_status: error querying responder\n");
		goto done;
		}
	rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
	if (rspderlen <= 0)
		goto err;
	SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
	if (srctx->verbose)
		{
		BIO_puts(err, "cert_status: ocsp response sent:\n");
		OCSP_RESPONSE_print(err, resp, 2);
		}
	ret = SSL_TLSEXT_ERR_OK;
	done:
	if (ret != SSL_TLSEXT_ERR_OK)
		ERR_print_errors(err);
	if (aia)
		{
		OPENSSL_free(host);
		OPENSSL_free(path);
		OPENSSL_free(port);
		X509_email_free(aia);
		}
	if (id)
		OCSP_CERTID_free(id);
	if (req)
		OCSP_REQUEST_free(req);
	if (resp)
		OCSP_RESPONSE_free(resp);
	return ret;
	err:
	ret = SSL_TLSEXT_ERR_ALERT_FATAL;
	goto done;
	}
B
Ben Laurie 已提交
912

B
Ben Laurie 已提交
913
# ifndef OPENSSL_NO_NEXTPROTONEG
B
Ben Laurie 已提交
914 915 916 917 918 919 920 921 922 923 924 925 926 927 928
/* This is the context that we pass to next_proto_cb */
typedef struct tlsextnextprotoctx_st {
	unsigned char *data;
	unsigned int len;
} tlsextnextprotoctx;

static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
	{
	tlsextnextprotoctx *next_proto = arg;

	*data = next_proto->data;
	*len = next_proto->len;

	return SSL_TLSEXT_ERR_OK;
	}
929
# endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
930 931
#endif

932 933 934 935 936 937
static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
	{
	/* disable resumption for sessions with forward secure ciphers */
	return is_forward_secure;
	}

938 939
int MAIN(int, char **);

D
Dr. Stephen Henson 已提交
940
#ifndef OPENSSL_NO_JPAKE
B
Ben Laurie 已提交
941
static char *jpake_secret = NULL;
942 943 944
#define no_jpake !jpake_secret
#else
#define no_jpake 1
D
Dr. Stephen Henson 已提交
945
#endif
D
Dr. Stephen Henson 已提交
946 947 948
#ifndef OPENSSL_NO_SRP
	static srpsrvparm srp_callback_parm;
#endif
B
Ben Laurie 已提交
949
static char *srtp_profiles = NULL;
B
Ben Laurie 已提交
950

U
Ulf Möller 已提交
951
int MAIN(int argc, char *argv[])
952
	{
953 954
	X509_VERIFY_PARAM *vpm = NULL;
	int badarg = 0;
955 956
	short port=PORT;
	char *CApath=NULL,*CAfile=NULL;
957 958
	char *chCApath=NULL,*chCAfile=NULL;
	char *vfyCApath=NULL,*vfyCAfile=NULL;
959
	unsigned char *context = NULL;
960
	char *dhfile = NULL;
961
	int badop=0;
962
	int ret=1;
963
	int build_chain = 0;
B
Bodo Möller 已提交
964
	int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
965
	int state=0;
966
	const SSL_METHOD *meth=NULL;
B
Bodo Möller 已提交
967
	int socket_type=SOCK_STREAM;
968
	ENGINE *e=NULL;
969
	char *inrand=NULL;
D
PR: 910  
Dr. Stephen Henson 已提交
970 971 972 973 974
	int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
	char *passarg = NULL, *pass = NULL;
	char *dpassarg = NULL, *dpass = NULL;
	int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
	X509 *s_cert = NULL, *s_dcert = NULL;
975
	STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
D
PR: 910  
Dr. Stephen Henson 已提交
976
	EVP_PKEY *s_key = NULL, *s_dkey = NULL;
977
	int no_cache = 0, ext_cache = 0;
978
	int rev = 0, naccept = -1;
979 980 981
#ifndef OPENSSL_NO_TLSEXT
	EVP_PKEY *s_key2 = NULL;
	X509 *s_cert2 = NULL;
982
        tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
B
Ben Laurie 已提交
983
# ifndef OPENSSL_NO_NEXTPROTONEG
B
Ben Laurie 已提交
984 985 986
	const char *next_proto_neg_in = NULL;
	tlsextnextprotoctx next_proto;
# endif
987
#endif
988 989 990 991
#ifndef OPENSSL_NO_PSK
	/* by default do not send a PSK identity hint */
	static char *psk_identity_hint=NULL;
#endif
B
Ben Laurie 已提交
992 993 994 995
#ifndef OPENSSL_NO_SRP
	char *srpuserseed = NULL;
	char *srp_verifier_file = NULL;
#endif
996
	SSL_EXCERT *exc = NULL;
997 998
	SSL_CONF_CTX *cctx = NULL;
	STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
999

1000 1001
	char *crl_file = NULL;
	int crl_format = FORMAT_PEM;
1002
	int crl_download = 0;
1003 1004
	STACK_OF(X509_CRL) *crls = NULL;

1005 1006 1007 1008 1009 1010
	meth=SSLv23_server_method();

	local_argc=argc;
	local_argv=argv;

	apps_startup();
1011 1012 1013
#ifdef MONOLITH
	s_server_init();
#endif
1014 1015 1016 1017

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

D
Dr. Stephen Henson 已提交
1018 1019 1020
	if (!load_config(bio_err, NULL))
		goto end;

1021 1022 1023 1024
	cctx = SSL_CONF_CTX_new();
	if (!cctx)
		goto end;
	SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
D
Dr. Stephen Henson 已提交
1025
	SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1026

1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044
	verify_depth=0;
#ifdef FIONBIO
	s_nbio=0;
#endif
	s_nbio_test=0;

	argc--;
	argv++;

	while (argc >= 1)
		{
		if	((strcmp(*argv,"-port") == 0) ||
			 (strcmp(*argv,"-accept") == 0))
			{
			if (--argc < 1) goto bad;
			if (!extract_port(*(++argv),&port))
				goto bad;
			}
1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055
		else if	(strcmp(*argv,"-naccept") == 0)
			{
			if (--argc < 1) goto bad;
			naccept = atol(*(++argv));
			if (naccept <= 0)
				{
				BIO_printf(bio_err, "bad accept value %s\n",
							*argv);
				goto bad;
				}
			}
1056 1057
		else if	(strcmp(*argv,"-verify") == 0)
			{
1058
			s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1059 1060
			if (--argc < 1) goto bad;
			verify_depth=atoi(*(++argv));
1061 1062
			if (!s_quiet)
				BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1063 1064 1065
			}
		else if	(strcmp(*argv,"-Verify") == 0)
			{
1066
			s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1067 1068 1069
				SSL_VERIFY_CLIENT_ONCE;
			if (--argc < 1) goto bad;
			verify_depth=atoi(*(++argv));
1070 1071
			if (!s_quiet)
				BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1072
			}
B
Ben Laurie 已提交
1073 1074 1075
		else if	(strcmp(*argv,"-context") == 0)
			{
			if (--argc < 1) goto bad;
1076
			context= (unsigned char *)*(++argv);
B
Ben Laurie 已提交
1077
			}
1078 1079 1080 1081 1082
		else if	(strcmp(*argv,"-cert") == 0)
			{
			if (--argc < 1) goto bad;
			s_cert_file= *(++argv);
			}
1083 1084 1085 1086 1087
		else if	(strcmp(*argv,"-CRL") == 0)
			{
			if (--argc < 1) goto bad;
			crl_file= *(++argv);
			}
1088 1089
		else if	(strcmp(*argv,"-crl_download") == 0)
			crl_download = 1;
B
Ben Laurie 已提交
1090 1091 1092 1093 1094 1095 1096
#ifndef OPENSSL_NO_TLSEXT
		else if	(strcmp(*argv,"-authz") == 0)
			{
			if (--argc < 1) goto bad;
			s_authz_file = *(++argv);
			}
#endif
D
PR: 910  
Dr. Stephen Henson 已提交
1097 1098 1099 1100 1101
		else if	(strcmp(*argv,"-certform") == 0)
			{
			if (--argc < 1) goto bad;
			s_cert_format = str2fmt(*(++argv));
			}
1102 1103 1104 1105 1106
		else if	(strcmp(*argv,"-key") == 0)
			{
			if (--argc < 1) goto bad;
			s_key_file= *(++argv);
			}
D
PR: 910  
Dr. Stephen Henson 已提交
1107 1108 1109 1110 1111 1112 1113 1114 1115 1116
		else if	(strcmp(*argv,"-keyform") == 0)
			{
			if (--argc < 1) goto bad;
			s_key_format = str2fmt(*(++argv));
			}
		else if	(strcmp(*argv,"-pass") == 0)
			{
			if (--argc < 1) goto bad;
			passarg = *(++argv);
			}
1117 1118 1119 1120 1121
		else if	(strcmp(*argv,"-cert_chain") == 0)
			{
			if (--argc < 1) goto bad;
			s_chain_file= *(++argv);
			}
1122 1123 1124 1125 1126
		else if	(strcmp(*argv,"-dhparam") == 0)
			{
			if (--argc < 1) goto bad;
			dhfile = *(++argv);
			}
D
PR: 910  
Dr. Stephen Henson 已提交
1127 1128 1129 1130 1131
		else if	(strcmp(*argv,"-dcertform") == 0)
			{
			if (--argc < 1) goto bad;
			s_dcert_format = str2fmt(*(++argv));
			}
1132 1133 1134 1135 1136
		else if	(strcmp(*argv,"-dcert") == 0)
			{
			if (--argc < 1) goto bad;
			s_dcert_file= *(++argv);
			}
D
PR: 910  
Dr. Stephen Henson 已提交
1137 1138 1139 1140 1141 1142 1143 1144 1145 1146
		else if	(strcmp(*argv,"-dkeyform") == 0)
			{
			if (--argc < 1) goto bad;
			s_dkey_format = str2fmt(*(++argv));
			}
		else if	(strcmp(*argv,"-dpass") == 0)
			{
			if (--argc < 1) goto bad;
			dpassarg = *(++argv);
			}
1147 1148 1149 1150 1151
		else if	(strcmp(*argv,"-dkey") == 0)
			{
			if (--argc < 1) goto bad;
			s_dkey_file= *(++argv);
			}
1152 1153 1154 1155 1156
		else if	(strcmp(*argv,"-dcert_chain") == 0)
			{
			if (--argc < 1) goto bad;
			s_dchain_file= *(++argv);
			}
1157 1158 1159 1160 1161 1162 1163 1164 1165
		else if (strcmp(*argv,"-nocert") == 0)
			{
			nocert=1;
			}
		else if	(strcmp(*argv,"-CApath") == 0)
			{
			if (--argc < 1) goto bad;
			CApath= *(++argv);
			}
1166 1167 1168 1169 1170 1171 1172 1173 1174 1175
		else if	(strcmp(*argv,"-chainCApath") == 0)
			{
			if (--argc < 1) goto bad;
			chCApath= *(++argv);
			}
		else if	(strcmp(*argv,"-verifyCApath") == 0)
			{
			if (--argc < 1) goto bad;
			vfyCApath= *(++argv);
			}
1176 1177
		else if (strcmp(*argv,"-no_cache") == 0)
			no_cache = 1;
1178 1179
		else if (strcmp(*argv,"-ext_cache") == 0)
			ext_cache = 1;
1180 1181 1182 1183 1184
		else if	(strcmp(*argv,"-CRLform") == 0)
			{
			if (--argc < 1) goto bad;
			crl_format = str2fmt(*(++argv));
			}
1185
		else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1186
			{
1187 1188 1189
			if (badarg)
				goto bad;
			continue;
1190
			}
1191 1192 1193 1194 1195 1196
		else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
			{
			if (badarg)
				goto bad;
			continue;
			}
1197 1198 1199 1200 1201 1202
		else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
			{
			if (badarg)
				goto bad;
			continue;
			}
1203 1204
		else if (strcmp(*argv,"-verify_return_error") == 0)
			verify_return_error = 1;
1205 1206
		else if (strcmp(*argv,"-verify_quiet") == 0)
			verify_quiet = 1;
1207 1208
		else if	(strcmp(*argv,"-build_chain") == 0)
			build_chain = 1;
1209 1210 1211 1212 1213
		else if	(strcmp(*argv,"-CAfile") == 0)
			{
			if (--argc < 1) goto bad;
			CAfile= *(++argv);
			}
1214 1215 1216 1217 1218 1219 1220 1221 1222 1223
		else if	(strcmp(*argv,"-chainCAfile") == 0)
			{
			if (--argc < 1) goto bad;
			chCAfile= *(++argv);
			}
		else if	(strcmp(*argv,"-verifyCAfile") == 0)
			{
			if (--argc < 1) goto bad;
			vfyCAfile= *(++argv);
			}
1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234
#ifdef FIONBIO	
		else if	(strcmp(*argv,"-nbio") == 0)
			{ s_nbio=1; }
#endif
		else if	(strcmp(*argv,"-nbio_test") == 0)
			{
#ifdef FIONBIO	
			s_nbio=1;
#endif
			s_nbio_test=1;
			}
1235 1236 1237 1238
		else if	(strcmp(*argv,"-ign_eof") == 0)
			s_ign_eof=1;
		else if	(strcmp(*argv,"-no_ign_eof") == 0)
			s_ign_eof=0;
1239 1240
		else if	(strcmp(*argv,"-debug") == 0)
			{ s_debug=1; }
1241 1242 1243
#ifndef OPENSSL_NO_TLSEXT
		else if	(strcmp(*argv,"-tlsextdebug") == 0)
			s_tlsextdebug=1;
1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270
		else if	(strcmp(*argv,"-status") == 0)
			s_tlsextstatus=1;
		else if	(strcmp(*argv,"-status_verbose") == 0)
			{
			s_tlsextstatus=1;
			tlscstatp.verbose = 1;
			}
		else if (!strcmp(*argv, "-status_timeout"))
			{
			s_tlsextstatus=1;
                        if (--argc < 1) goto bad;
			tlscstatp.timeout = atoi(*(++argv));
			}
		else if (!strcmp(*argv, "-status_url"))
			{
			s_tlsextstatus=1;
                        if (--argc < 1) goto bad;
			if (!OCSP_parse_url(*(++argv),
					&tlscstatp.host,
					&tlscstatp.port,
					&tlscstatp.path,
					&tlscstatp.use_ssl))
				{
				BIO_printf(bio_err, "Error parsing URL\n");
				goto bad;
				}
			}
1271
#endif
1272 1273
		else if	(strcmp(*argv,"-msg") == 0)
			{ s_msg=1; }
1274 1275 1276 1277 1278 1279 1280 1281 1282
		else if	(strcmp(*argv,"-msgfile") == 0)
			{
			if (--argc < 1) goto bad;
			bio_s_msg = BIO_new_file(*(++argv), "w");
			}
#ifndef OPENSSL_NO_SSL_TRACE
		else if	(strcmp(*argv,"-trace") == 0)
			{ s_msg=2; }
#endif
1283 1284 1285 1286
		else if	(strcmp(*argv,"-hack") == 0)
			{ hack=1; }
		else if	(strcmp(*argv,"-state") == 0)
			{ state=1; }
1287 1288
		else if	(strcmp(*argv,"-crlf") == 0)
			{ s_crlf=1; }
1289 1290
		else if	(strcmp(*argv,"-quiet") == 0)
			{ s_quiet=1; }
1291 1292 1293 1294 1295 1296
		else if	(strcmp(*argv,"-brief") == 0)
			{
			s_quiet=1;
			s_brief=1;
			verify_quiet=1;
			}
1297 1298
		else if	(strcmp(*argv,"-no_tmp_rsa") == 0)
			{ no_tmp_rsa=1; }
B
Bodo Möller 已提交
1299 1300
		else if	(strcmp(*argv,"-no_dhe") == 0)
			{ no_dhe=1; }
B
Bodo Möller 已提交
1301 1302
		else if	(strcmp(*argv,"-no_ecdhe") == 0)
			{ no_ecdhe=1; }
1303 1304
		else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
			{ no_resume_ephemeral = 1; }
1305 1306 1307 1308 1309 1310 1311 1312
#ifndef OPENSSL_NO_PSK
                else if (strcmp(*argv,"-psk_hint") == 0)
			{
                        if (--argc < 1) goto bad;
                        psk_identity_hint= *(++argv);
                        }
                else if (strcmp(*argv,"-psk") == 0)
			{
N
Nils Larsch 已提交
1313
			size_t i;
1314 1315 1316 1317 1318

			if (--argc < 1) goto bad;
			psk_key=*(++argv);
			for (i=0; i<strlen(psk_key); i++)
				{
1319
				if (isxdigit((unsigned char)psk_key[i]))
1320 1321 1322 1323 1324
					continue;
				BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
				goto bad;
				}
			}
B
Ben Laurie 已提交
1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338
#endif
#ifndef OPENSSL_NO_SRP
		else if (strcmp(*argv, "-srpvfile") == 0)
			{
			if (--argc < 1) goto bad;
			srp_verifier_file = *(++argv);
			meth = TLSv1_server_method();
			}
		else if (strcmp(*argv, "-srpuserseed") == 0)
			{
			if (--argc < 1) goto bad;
			srpuserseed = *(++argv);
			meth = TLSv1_server_method();
			}
1339
#endif
1340 1341
		else if	(strcmp(*argv,"-rev") == 0)
			{ rev=1; }
1342 1343 1344 1345
		else if	(strcmp(*argv,"-www") == 0)
			{ www=1; }
		else if	(strcmp(*argv,"-WWW") == 0)
			{ www=2; }
1346 1347
		else if	(strcmp(*argv,"-HTTP") == 0)
			{ www=3; }
1348
#ifndef OPENSSL_NO_SSL2
1349 1350 1351
		else if	(strcmp(*argv,"-ssl2") == 0)
			{ meth=SSLv2_server_method(); }
#endif
1352
#ifndef OPENSSL_NO_SSL3
1353 1354
		else if	(strcmp(*argv,"-ssl3") == 0)
			{ meth=SSLv3_server_method(); }
1355
#endif
1356
#ifndef OPENSSL_NO_TLS1
1357 1358
		else if	(strcmp(*argv,"-tls1") == 0)
			{ meth=TLSv1_server_method(); }
1359 1360
		else if	(strcmp(*argv,"-tls1_1") == 0)
			{ meth=TLSv1_1_server_method(); }
1361 1362
		else if	(strcmp(*argv,"-tls1_2") == 0)
			{ meth=TLSv1_2_server_method(); }
B
Ben Laurie 已提交
1363 1364 1365 1366 1367
#endif
#ifndef OPENSSL_NO_DTLS1
		else if	(strcmp(*argv,"-dtls1") == 0)
			{ 
			meth=DTLSv1_server_method();
B
Bodo Möller 已提交
1368
			socket_type = SOCK_DGRAM;
B
Ben Laurie 已提交
1369
			}
1370 1371 1372 1373 1374
		else if	(strcmp(*argv,"-dtls1_2") == 0)
			{ 
			meth=DTLSv1_2_server_method();
			socket_type = SOCK_DGRAM;
			}
B
Ben Laurie 已提交
1375 1376 1377 1378 1379
		else if (strcmp(*argv,"-timeout") == 0)
			enable_timeouts = 1;
		else if (strcmp(*argv,"-mtu") == 0)
			{
			if (--argc < 1) goto bad;
B
Bodo Möller 已提交
1380
			socket_mtu = atol(*(++argv));
B
Ben Laurie 已提交
1381 1382 1383
			}
		else if (strcmp(*argv, "-chain") == 0)
			cert_chain = 1;
1384
#endif
1385 1386 1387 1388 1389
		else if (strcmp(*argv, "-id_prefix") == 0)
			{
			if (--argc < 1) goto bad;
			session_id_prefix = *(++argv);
			}
1390
#ifndef OPENSSL_NO_ENGINE
1391 1392 1393 1394 1395
		else if (strcmp(*argv,"-engine") == 0)
			{
			if (--argc < 1) goto bad;
			engine_id= *(++argv);
			}
1396
#endif
1397 1398 1399 1400 1401
		else if (strcmp(*argv,"-rand") == 0)
			{
			if (--argc < 1) goto bad;
			inrand= *(++argv);
			}
1402 1403 1404 1405 1406 1407
#ifndef OPENSSL_NO_TLSEXT
		else if (strcmp(*argv,"-servername") == 0)
			{
			if (--argc < 1) goto bad;
			tlsextcbp.servername= *(++argv);
			}
1408 1409
		else if (strcmp(*argv,"-servername_fatal") == 0)
			{ tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1410 1411 1412 1413 1414 1415 1416 1417 1418 1419
		else if	(strcmp(*argv,"-cert2") == 0)
			{
			if (--argc < 1) goto bad;
			s_cert_file2= *(++argv);
			}
		else if	(strcmp(*argv,"-key2") == 0)
			{
			if (--argc < 1) goto bad;
			s_key_file2= *(++argv);
			}
B
Ben Laurie 已提交
1420
# ifndef OPENSSL_NO_NEXTPROTONEG
B
Ben Laurie 已提交
1421 1422 1423 1424 1425 1426
		else if	(strcmp(*argv,"-nextprotoneg") == 0)
			{
			if (--argc < 1) goto bad;
			next_proto_neg_in = *(++argv);
			}
# endif
1427
#endif
D
Dr. Stephen Henson 已提交
1428
#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
B
Ben Laurie 已提交
1429 1430 1431 1432 1433
		else if (strcmp(*argv,"-jpake") == 0)
			{
			if (--argc < 1) goto bad;
			jpake_secret = *(++argv);
			}
D
Dr. Stephen Henson 已提交
1434
#endif
B
Ben Laurie 已提交
1435 1436 1437 1438 1439
		else if (strcmp(*argv,"-use_srtp") == 0)
			{
			if (--argc < 1) goto bad;
			srtp_profiles = *(++argv);
			}
B
Ben Laurie 已提交
1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450
		else if (strcmp(*argv,"-keymatexport") == 0)
			{
			if (--argc < 1) goto bad;
			keymatexportlabel= *(++argv);
			}
		else if (strcmp(*argv,"-keymatexportlen") == 0)
			{
			if (--argc < 1) goto bad;
			keymatexportlen=atoi(*(++argv));
			if (keymatexportlen == 0) goto bad;
			}
1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466
		else
			{
			BIO_printf(bio_err,"unknown option %s\n",*argv);
			badop=1;
			break;
			}
		argc--;
		argv++;
		}
	if (badop)
		{
bad:
		sv_usage();
		goto end;
		}

D
Dr. Stephen Henson 已提交
1467
#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478
	if (jpake_secret)
		{
		if (psk_key)
			{
			BIO_printf(bio_err,
				   "Can't use JPAKE and PSK together\n");
			goto end;
			}
		psk_identity = "JPAKE";
		}
#endif
1479

1480 1481 1482
	SSL_load_error_strings();
	OpenSSL_add_ssl_algorithms();

1483
#ifndef OPENSSL_NO_ENGINE
1484
        e = setup_engine(bio_err, engine_id, 1);
1485
#endif
1486

D
PR: 910  
Dr. Stephen Henson 已提交
1487 1488 1489 1490 1491 1492 1493 1494 1495
	if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
		{
		BIO_printf(bio_err, "Error getting password\n");
		goto end;
		}


	if (s_key_file == NULL)
		s_key_file = s_cert_file;
1496 1497 1498 1499
#ifndef OPENSSL_NO_TLSEXT
	if (s_key_file2 == NULL)
		s_key_file2 = s_cert_file2;
#endif
D
PR: 910  
Dr. Stephen Henson 已提交
1500

1501 1502 1503
	if (!load_excert(&exc, bio_err))
		goto end;

1504
	if (nocert == 0)
D
PR: 910  
Dr. Stephen Henson 已提交
1505
		{
1506 1507 1508 1509 1510 1511 1512
		s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
		       "server certificate private key file");
		if (!s_key)
			{
			ERR_print_errors(bio_err);
			goto end;
			}
D
PR: 910  
Dr. Stephen Henson 已提交
1513

1514
		s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
D
PR: 910  
Dr. Stephen Henson 已提交
1515 1516
			NULL, e, "server certificate file");

1517 1518 1519 1520 1521
		if (!s_cert)
			{
			ERR_print_errors(bio_err);
			goto end;
			}
1522 1523 1524 1525 1526 1527 1528
		if (s_chain_file)
			{
			s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
					NULL, e, "server certificate chain");
			if (!s_chain)
				goto end;
			}
1529 1530

#ifndef OPENSSL_NO_TLSEXT
B
Bodo Möller 已提交
1531
		if (tlsextcbp.servername) 
1532 1533
			{
			s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
B
Bodo Möller 已提交
1534
				"second server certificate private key file");
1535 1536 1537 1538 1539
			if (!s_key2)
				{
				ERR_print_errors(bio_err);
				goto end;
				}
B
Bodo Möller 已提交
1540
			
1541 1542
			s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
				NULL, e, "second server certificate file");
B
Bodo Möller 已提交
1543
			
1544 1545 1546 1547 1548 1549
			if (!s_cert2)
				{
				ERR_print_errors(bio_err);
				goto end;
				}
			}
B
Ben Laurie 已提交
1550
#endif /* OPENSSL_NO_TLSEXT */
D
PR: 910  
Dr. Stephen Henson 已提交
1551 1552
		}

D
Dr. Stephen Henson 已提交
1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 
	if (next_proto_neg_in)
		{
		unsigned short len;
		next_proto.data = next_protos_parse(&len, next_proto_neg_in);
		if (next_proto.data == NULL)
			goto end;
		next_proto.len = len;
		}
	else
		{
		next_proto.data = NULL;
		}
#endif

1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587
	if (crl_file)
		{
		X509_CRL *crl;
		crl = load_crl(crl_file, crl_format);
		if (!crl)
			{
			BIO_puts(bio_err, "Error loading CRL\n");
			ERR_print_errors(bio_err);
			goto end;
			}
		crls = sk_X509_CRL_new_null();
		if (!crls || !sk_X509_CRL_push(crls, crl))
			{
			BIO_puts(bio_err, "Error adding CRL\n");
			ERR_print_errors(bio_err);
			X509_CRL_free(crl);
			goto end;
			}
		}

1588

D
PR: 910  
Dr. Stephen Henson 已提交
1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611
	if (s_dcert_file)
		{

		if (s_dkey_file == NULL)
			s_dkey_file = s_dcert_file;

		s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
				0, dpass, e,
			       "second certificate private key file");
		if (!s_dkey)
			{
			ERR_print_errors(bio_err);
			goto end;
			}

		s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
				NULL, e, "second server certificate file");

		if (!s_dcert)
			{
			ERR_print_errors(bio_err);
			goto end;
			}
1612 1613 1614 1615 1616 1617 1618
		if (s_dchain_file)
			{
			s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
				NULL, e, "second server certificate chain");
			if (!s_dchain)
				goto end;
			}
D
PR: 910  
Dr. Stephen Henson 已提交
1619 1620 1621

		}

1622 1623 1624 1625 1626 1627 1628 1629
	if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
		&& !RAND_status())
		{
		BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
		}
	if (inrand != NULL)
		BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
			app_RAND_load_files(inrand));
1630

1631 1632
	if (bio_s_out == NULL)
		{
1633
		if (s_quiet && !s_debug)
1634 1635
			{
			bio_s_out=BIO_new(BIO_s_null());
1636 1637
			if (s_msg && !bio_s_msg)
				bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1638 1639 1640 1641 1642 1643 1644 1645
			}
		else
			{
			if (bio_s_out == NULL)
				bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
			}
		}

B
Bodo Möller 已提交
1646
#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1647 1648 1649 1650 1651
	if (nocert)
#endif
		{
		s_cert_file=NULL;
		s_key_file=NULL;
1652 1653
		s_dcert_file=NULL;
		s_dkey_file=NULL;
1654 1655 1656 1657
#ifndef OPENSSL_NO_TLSEXT
		s_cert_file2=NULL;
		s_key_file2=NULL;
#endif
1658 1659 1660 1661 1662 1663 1664 1665
		}

	ctx=SSL_CTX_new(meth);
	if (ctx == NULL)
		{
		ERR_print_errors(bio_err);
		goto end;
		}
1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681
	if (session_id_prefix)
		{
		if(strlen(session_id_prefix) >= 32)
			BIO_printf(bio_err,
"warning: id_prefix is too long, only one new session will be possible\n");
		else if(strlen(session_id_prefix) >= 16)
			BIO_printf(bio_err,
"warning: id_prefix is too long if you use SSLv2\n");
		if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
			{
			BIO_printf(bio_err,"error setting 'id_prefix'\n");
			ERR_print_errors(bio_err);
			goto end;
			}
		BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
		}
1682
	SSL_CTX_set_quiet_shutdown(ctx,1);
1683
	if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1684
	if (exc) ssl_ctx_set_excert(ctx, exc);
B
Ben Laurie 已提交
1685 1686 1687
	/* DTLS: partial reads end up discarding unread UDP bytes :-( 
	 * Setting read ahead solves this problem.
	 */
B
Bodo Möller 已提交
1688
	if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1689 1690

	if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1691 1692
	if (no_cache)
		SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1693 1694
	else if (ext_cache)
		init_session_cache_ctx(ctx);
1695 1696
	else
		SSL_CTX_sess_set_cache_size(ctx,128);
1697

B
Ben Laurie 已提交
1698 1699 1700
	if (srtp_profiles != NULL)
		SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);

1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715
#if 0
	if (cipher == NULL) cipher=getenv("SSL_CIPHER");
#endif

#if 0
	if (s_cert_file == NULL)
		{
		BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
		goto end;
		}
#endif

	if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
		(!SSL_CTX_set_default_verify_paths(ctx)))
		{
1716
		/* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1717
		ERR_print_errors(bio_err);
1718
		/* goto end; */
1719
		}
1720 1721
	if (vpm)
		SSL_CTX_set1_param(ctx, vpm);
1722

1723
	ssl_ctx_add_crls(ctx, crls, 0);
1724
	if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1725 1726
		goto end;

1727 1728
	if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
						crls, crl_download))
1729 1730 1731 1732 1733 1734
		{
		BIO_printf(bio_err, "Error loading store locations\n");
		ERR_print_errors(bio_err);
		goto end;
		}

1735
#ifndef OPENSSL_NO_TLSEXT
B
Bodo Möller 已提交
1736
	if (s_cert2)
1737
		{
B
Bodo Möller 已提交
1738 1739
		ctx2=SSL_CTX_new(meth);
		if (ctx2 == NULL)
1740 1741 1742 1743 1744
			{
			ERR_print_errors(bio_err);
			goto end;
			}
		}
B
Bodo Möller 已提交
1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767
	
	if (ctx2)
		{
		BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");

		if (session_id_prefix)
			{
			if(strlen(session_id_prefix) >= 32)
				BIO_printf(bio_err,
					"warning: id_prefix is too long, only one new session will be possible\n");
			else if(strlen(session_id_prefix) >= 16)
				BIO_printf(bio_err,
					"warning: id_prefix is too long if you use SSLv2\n");
			if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
				{
				BIO_printf(bio_err,"error setting 'id_prefix'\n");
				ERR_print_errors(bio_err);
				goto end;
				}
			BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
			}
		SSL_CTX_set_quiet_shutdown(ctx2,1);
		if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1768
		if (exc) ssl_ctx_set_excert(ctx2, exc);
B
Bodo Möller 已提交
1769 1770 1771 1772
		/* DTLS: partial reads end up discarding unread UDP bytes :-( 
		 * Setting read ahead solves this problem.
		 */
		if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1773

B
Bodo Möller 已提交
1774
		if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1775

1776 1777
		if (no_cache)
			SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1778 1779
		else if (ext_cache)
			init_session_cache_ctx(ctx2);
1780 1781
		else
			SSL_CTX_sess_set_cache_size(ctx2,128);
1782

B
Bodo Möller 已提交
1783 1784 1785
		if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
			(!SSL_CTX_set_default_verify_paths(ctx2)))
			{
1786
			ERR_print_errors(bio_err);
B
Bodo Möller 已提交
1787
			}
1788 1789
		if (vpm)
			SSL_CTX_set1_param(ctx2, vpm);
1790

1791
		ssl_ctx_add_crls(ctx2, crls, 0);
1792
		if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1793
			goto end;
1794
		}
B
Ben Laurie 已提交
1795

B
Ben Laurie 已提交
1796
# ifndef OPENSSL_NO_NEXTPROTONEG
B
Ben Laurie 已提交
1797 1798 1799
	if (next_proto.data)
		SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
# endif
1800
#endif 
B
Bodo Möller 已提交
1801

1802
#ifndef OPENSSL_NO_DH
B
Bodo Möller 已提交
1803
	if (!no_dhe)
1804
		{
1805 1806 1807 1808 1809 1810 1811
		DH *dh=NULL;

		if (dhfile)
			dh = load_dh_param(dhfile);
		else if (s_cert_file)
			dh = load_dh_param(s_cert_file);

B
Bodo Möller 已提交
1812 1813 1814 1815 1816 1817 1818 1819 1820 1821
		if (dh != NULL)
			{
			BIO_printf(bio_s_out,"Setting temp DH parameters\n");
			}
		else
			{
			BIO_printf(bio_s_out,"Using default temp DH parameters\n");
			dh=get_dh512();
			}
		(void)BIO_flush(bio_s_out);
1822

B
Bodo Möller 已提交
1823
		SSL_CTX_set_tmp_dh(ctx,dh);
1824
#ifndef OPENSSL_NO_TLSEXT
B
Bodo Möller 已提交
1825 1826 1827 1828
		if (ctx2)
			{
			if (!dhfile)
				{ 
1829 1830
				DH *dh2=load_dh_param(s_cert_file2);
				if (dh2 != NULL)
B
Bodo Möller 已提交
1831
					{
1832 1833 1834 1835 1836
					BIO_printf(bio_s_out,"Setting temp DH parameters\n");
					(void)BIO_flush(bio_s_out);

					DH_free(dh);
					dh = dh2;
B
Bodo Möller 已提交
1837
					}
1838 1839
				}
			SSL_CTX_set_tmp_dh(ctx2,dh);
B
Bodo Möller 已提交
1840
			}
1841
#endif
B
Bodo Möller 已提交
1842 1843
		DH_free(dh);
		}
1844
#endif
B
Bodo Möller 已提交
1845

1846
	if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1847
		goto end;
B
Ben Laurie 已提交
1848
#ifndef OPENSSL_NO_TLSEXT
B
Ben Laurie 已提交
1849
	if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
B
Ben Laurie 已提交
1850 1851
		goto end;
#endif
1852
#ifndef OPENSSL_NO_TLSEXT
1853
	if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1854 1855
		goto end; 
#endif
D
PR: 910  
Dr. Stephen Henson 已提交
1856
	if (s_dcert != NULL)
1857
		{
1858
		if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1859 1860
			goto end;
		}
1861

1862
#ifndef OPENSSL_NO_RSA
1863
#if 1
B
Bodo Möller 已提交
1864 1865
	if (!no_tmp_rsa)
		{
B
Bodo Möller 已提交
1866
		SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1867 1868 1869 1870
#ifndef OPENSSL_NO_TLSEXT
		if (ctx2) 
			SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
#endif		
B
Bodo Möller 已提交
1871
		}
1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886
#else
	if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
		{
		RSA *rsa;

		BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
		BIO_flush(bio_s_out);

		rsa=RSA_generate_key(512,RSA_F4,NULL);

		if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
			{
			ERR_print_errors(bio_err);
			goto end;
			}
1887
#ifndef OPENSSL_NO_TLSEXT
B
Bodo Möller 已提交
1888
			if (ctx2)
1889
				{
B
Bodo Möller 已提交
1890 1891
				if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
					{
1892 1893
					ERR_print_errors(bio_err);
					goto end;
B
Bodo Möller 已提交
1894
					}
1895 1896
				}
#endif
1897 1898 1899
		RSA_free(rsa);
		BIO_printf(bio_s_out,"\n");
		}
1900
#endif
1901 1902
#endif

1903 1904 1905 1906 1907 1908 1909 1910 1911
	if (no_resume_ephemeral)
		{
		SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
#ifndef OPENSSL_NO_TLSEXT
		if (ctx2)
			SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
#endif
		}

1912
#ifndef OPENSSL_NO_PSK
D
Dr. Stephen Henson 已提交
1913 1914 1915
#ifdef OPENSSL_NO_JPAKE
	if (psk_key != NULL)
#else
1916
	if (psk_key != NULL || jpake_secret)
D
Dr. Stephen Henson 已提交
1917
#endif
1918 1919
		{
		if (s_debug)
1920
			BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931
		SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
		}

	if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
		{
		BIO_printf(bio_err,"error setting PSK identity hint to context\n");
		ERR_print_errors(bio_err);
		goto end;
		}
#endif

1932
	SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1933 1934
	SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
		sizeof s_server_session_id_context);
1935

D
Dr. Stephen Henson 已提交
1936 1937 1938 1939
	/* Set DTLS cookie generation and verification callbacks */
	SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
	SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);

1940
#ifndef OPENSSL_NO_TLSEXT
B
Bodo Möller 已提交
1941 1942
	if (ctx2)
		{
1943 1944 1945 1946
		SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
		SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
			sizeof s_server_session_id_context);

1947 1948 1949 1950 1951
		tlsextcbp.biodebug = bio_s_out;
		SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
		SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
		SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
		SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
B
Bodo Möller 已提交
1952
		}
1953
#endif
1954

B
Ben Laurie 已提交
1955 1956 1957
#ifndef OPENSSL_NO_SRP
	if (srp_verifier_file != NULL)
		{
D
Dr. Stephen Henson 已提交
1958 1959 1960 1961
		srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
		srp_callback_parm.user = NULL;
		srp_callback_parm.login = NULL;
		if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
B
Ben Laurie 已提交
1962 1963
			{
			BIO_printf(bio_err,
1964 1965
				   "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
				   srp_verifier_file, ret);
B
Ben Laurie 已提交
1966 1967 1968
				goto end;
			}
		SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
D
Dr. Stephen Henson 已提交
1969
		SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);  			
B
Ben Laurie 已提交
1970 1971 1972 1973
		SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
		}
	else
#endif
B
Bodo Möller 已提交
1974 1975 1976
	if (CAfile != NULL)
		{
		SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1977 1978
#ifndef OPENSSL_NO_TLSEXT
		if (ctx2) 
B
Bodo Möller 已提交
1979
			SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1980
#endif
B
Bodo Möller 已提交
1981
		}
1982 1983

	BIO_printf(bio_s_out,"ACCEPT\n");
D
Dr. Stephen Henson 已提交
1984
	(void)BIO_flush(bio_s_out);
1985
	if (rev)
1986
		do_server(port,socket_type,&accept_socket,rev_body, context, naccept);
1987
	else if (www)
1988
		do_server(port,socket_type,&accept_socket,www_body, context, naccept);
1989
	else
1990
		do_server(port,socket_type,&accept_socket,sv_body, context, naccept);
1991 1992 1993 1994
	print_stats(bio_s_out,ctx);
	ret=0;
end:
	if (ctx != NULL) SSL_CTX_free(ctx);
D
PR: 910  
Dr. Stephen Henson 已提交
1995 1996
	if (s_cert)
		X509_free(s_cert);
1997 1998
	if (crls)
		sk_X509_CRL_pop_free(crls, X509_CRL_free);
D
PR: 910  
Dr. Stephen Henson 已提交
1999 2000 2001 2002 2003 2004
	if (s_dcert)
		X509_free(s_dcert);
	if (s_key)
		EVP_PKEY_free(s_key);
	if (s_dkey)
		EVP_PKEY_free(s_dkey);
D
Dr. Stephen Henson 已提交
2005 2006 2007 2008
	if (s_chain)
		sk_X509_pop_free(s_chain, X509_free);
	if (s_dchain)
		sk_X509_pop_free(s_dchain, X509_free);
D
PR: 910  
Dr. Stephen Henson 已提交
2009 2010 2011 2012
	if (pass)
		OPENSSL_free(pass);
	if (dpass)
		OPENSSL_free(dpass);
D
Dr. Stephen Henson 已提交
2013 2014
	if (vpm)
		X509_VERIFY_PARAM_free(vpm);
2015
	free_sessions();
2016
#ifndef OPENSSL_NO_TLSEXT
D
Dr. Stephen Henson 已提交
2017 2018 2019 2020 2021 2022
	if (tlscstatp.host)
		OPENSSL_free(tlscstatp.host);
	if (tlscstatp.port)
		OPENSSL_free(tlscstatp.port);
	if (tlscstatp.path)
		OPENSSL_free(tlscstatp.path);
2023 2024 2025 2026 2027
	if (ctx2 != NULL) SSL_CTX_free(ctx2);
	if (s_cert2)
		X509_free(s_cert2);
	if (s_key2)
		EVP_PKEY_free(s_key2);
B
Ben Laurie 已提交
2028 2029
	if (authz_in != NULL)
		BIO_free(authz_in);
2030
#endif
2031
	ssl_excert_free(exc);
2032 2033 2034 2035
	if (ssl_args)
		sk_OPENSSL_STRING_free(ssl_args);
	if (cctx)
		SSL_CONF_CTX_free(cctx);
2036 2037 2038 2039
#ifndef OPENSSL_NO_JPAKE
	if (jpake_secret && psk_key)
		OPENSSL_free(psk_key);
#endif
2040 2041
	if (bio_s_out != NULL)
		{
D
Dr. Stephen Henson 已提交
2042
        	BIO_free(bio_s_out);
2043 2044
		bio_s_out=NULL;
		}
2045 2046 2047 2048 2049
	if (bio_s_msg != NULL)
		{
		BIO_free(bio_s_msg);
		bio_s_msg = NULL;
		}
2050
	apps_shutdown();
2051
	OPENSSL_EXIT(ret);
2052 2053
	}

U
Ulf Möller 已提交
2054
static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2055 2056 2057
	{
	BIO_printf(bio,"%4ld items in the session cache\n",
		SSL_CTX_sess_number(ssl_ctx));
2058
	BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2059
		SSL_CTX_sess_connect(ssl_ctx));
2060
	BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2061
		SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2062
	BIO_printf(bio,"%4ld client connects that finished\n",
2063
		SSL_CTX_sess_connect_good(ssl_ctx));
2064
	BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2065
		SSL_CTX_sess_accept(ssl_ctx));
2066
	BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2067
		SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2068
	BIO_printf(bio,"%4ld server accepts that finished\n",
2069
		SSL_CTX_sess_accept_good(ssl_ctx));
2070 2071 2072 2073 2074
	BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
	BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
	BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
	BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
	BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2075 2076
		SSL_CTX_sess_cache_full(ssl_ctx),
		SSL_CTX_sess_get_cache_size(ssl_ctx));
2077 2078
	}

2079
static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2080 2081 2082 2083 2084 2085 2086 2087
	{
	char *buf=NULL;
	fd_set readfds;
	int ret=1,width;
	int k,i;
	unsigned long l;
	SSL *con=NULL;
	BIO *sbio;
2088 2089 2090
#ifndef OPENSSL_NO_KRB5
	KSSL_CTX *kctx;
#endif
2091
	struct timeval timeout;
U
Ulf Möller 已提交
2092
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2093
	struct timeval tv;
2094 2095
#else
	struct timeval *timeoutp;
2096
#endif
2097

2098
	if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109
		{
		BIO_printf(bio_err,"out of memory\n");
		goto err;
		}
#ifdef FIONBIO	
	if (s_nbio)
		{
		unsigned long sl=1;

		if (!s_quiet)
			BIO_printf(bio_err,"turning on non blocking io\n");
2110 2111
		if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
			ERR_print_errors(bio_err);
2112 2113 2114
		}
#endif

B
Ben Laurie 已提交
2115
	if (con == NULL) {
D
 
Dr. Stephen Henson 已提交
2116
		con=SSL_new(ctx);
2117 2118 2119 2120 2121 2122
#ifndef OPENSSL_NO_TLSEXT
	if (s_tlsextdebug)
		{
		SSL_set_tlsext_debug_callback(con, tlsext_cb);
		SSL_set_tlsext_debug_arg(con, bio_s_out);
		}
D
Typo.  
Dr. Stephen Henson 已提交
2123
	if (s_tlsextstatus)
2124 2125 2126 2127 2128
		{
		SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
		tlscstatp.err = bio_err;
		SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
		}
2129
#endif
2130
#ifndef OPENSSL_NO_KRB5
2131
		if ((kctx = kssl_ctx_new()) != NULL)
2132
                        {
2133 2134 2135
			SSL_set0_kssl_ctx(con, kctx);
                        kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
                        kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2136
                        }
2137
#endif	/* OPENSSL_NO_KRB5 */
B
Ben Laurie 已提交
2138
		if(context)
B
Ben Laurie 已提交
2139 2140
		      SSL_set_session_id_context(con, context,
						 strlen((char *)context));
B
Ben Laurie 已提交
2141
	}
2142
	SSL_clear(con);
2143 2144
#if 0
#ifdef TLSEXT_TYPE_opaque_prf_input
2145
	SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2146 2147
#endif
#endif
2148

2149
	if (stype == SOCK_DGRAM)
B
Ben Laurie 已提交
2150 2151 2152 2153
		{

		sbio=BIO_new_dgram(s,BIO_NOCLOSE);

B
Bodo Möller 已提交
2154
		if (enable_timeouts)
B
Ben Laurie 已提交
2155 2156 2157 2158 2159 2160 2161 2162 2163 2164
			{
			timeout.tv_sec = 0;
			timeout.tv_usec = DGRAM_RCV_TIMEOUT;
			BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
			
			timeout.tv_sec = 0;
			timeout.tv_usec = DGRAM_SND_TIMEOUT;
			BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
			}

D
Dr. Stephen Henson 已提交
2165
		if (socket_mtu > 28)
B
Ben Laurie 已提交
2166 2167
			{
			SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
D
Dr. Stephen Henson 已提交
2168
			SSL_set_mtu(con, socket_mtu - 28);
B
Ben Laurie 已提交
2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179
			}
		else
			/* want to do MTU discovery */
			BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);

        /* turn on cookie exchange */
        SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
		}
	else
		sbio=BIO_new_socket(s,BIO_NOCLOSE);

2180 2181 2182 2183 2184 2185 2186
	if (s_nbio_test)
		{
		BIO *test;

		test=BIO_new(BIO_f_nbio_test());
		sbio=BIO_push(test,sbio);
		}
D
Dr. Stephen Henson 已提交
2187
#ifndef OPENSSL_NO_JPAKE
B
Ben Laurie 已提交
2188 2189
	if(jpake_secret)
		jpake_server_auth(bio_s_out, sbio, jpake_secret);
D
Dr. Stephen Henson 已提交
2190
#endif
B
Ben Laurie 已提交
2191

2192 2193 2194 2195 2196 2197
	SSL_set_bio(con,sbio,sbio);
	SSL_set_accept_state(con);
	/* SSL_set_fd(con,s); */

	if (s_debug)
		{
2198
		SSL_set_debug(con, 1);
2199
		BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
N
Nils Larsch 已提交
2200
		BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2201
		}
2202 2203
	if (s_msg)
		{
2204 2205 2206 2207 2208 2209 2210
#ifndef OPENSSL_NO_SSL_TRACE
		if (s_msg == 2)
			SSL_set_msg_callback(con, SSL_trace);
		else
#endif
			SSL_set_msg_callback(con, msg_cb);
		SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2211
		}
2212 2213 2214 2215 2216 2217 2218
#ifndef OPENSSL_NO_TLSEXT
	if (s_tlsextdebug)
		{
		SSL_set_tlsext_debug_callback(con, tlsext_cb);
		SSL_set_tlsext_debug_arg(con, bio_s_out);
		}
#endif
2219 2220 2221 2222

	width=s+1;
	for (;;)
		{
B
Bodo Möller 已提交
2223 2224 2225 2226 2227 2228 2229 2230 2231
		int read_from_terminal;
		int read_from_sslcon;

		read_from_terminal = 0;
		read_from_sslcon = SSL_pending(con);

		if (!read_from_sslcon)
			{
			FD_ZERO(&readfds);
U
Ulf Möller 已提交
2232
#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2233
			openssl_fdset(fileno(stdin),&readfds);
B
Bodo Möller 已提交
2234
#endif
2235
			openssl_fdset(s,&readfds);
B
Bodo Möller 已提交
2236 2237 2238 2239 2240 2241
			/* Note: under VMS with SOCKETSHR the second parameter is
			 * currently of type (int *) whereas under other systems
			 * it is (void *) if you don't have a cast it will choke
			 * the compiler: if you do have a cast then you can either
			 * go for (int *) or (void *).
			 */
R
Richard Levitte 已提交
2242
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2243
                        /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
B
Bodo Möller 已提交
2244 2245 2246 2247 2248 2249 2250 2251 2252 2253
			 * on sockets. As a workaround we timeout the select every
			 * second and check for any keypress. In a proper Windows
			 * application we wouldn't do this because it is inefficient.
			 */
			tv.tv_sec = 1;
			tv.tv_usec = 0;
			i=select(width,(void *)&readfds,NULL,NULL,&tv);
			if((i < 0) || (!i && !_kbhit() ) )continue;
			if(_kbhit())
				read_from_terminal = 1;
U
Ulf Möller 已提交
2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264
#elif defined(OPENSSL_SYS_BEOS_R5)
			/* Under BeOS-R5 the situation is similar to DOS */
			tv.tv_sec = 1;
			tv.tv_usec = 0;
			(void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
			i=select(width,(void *)&readfds,NULL,NULL,&tv);
			if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
				continue;
			if (read(fileno(stdin), buf, 0) >= 0)
				read_from_terminal = 1;
			(void)fcntl(fileno(stdin), F_SETFL, 0);
2265
#else
D
Dr. Stephen Henson 已提交
2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278
			if ((SSL_version(con) == DTLS1_VERSION) &&
				DTLSv1_get_timeout(con, &timeout))
				timeoutp = &timeout;
			else
				timeoutp = NULL;

			i=select(width,(void *)&readfds,NULL,NULL,timeoutp);

			if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
				{
				BIO_printf(bio_err,"TIMEOUT occured\n");
				}

B
Bodo Möller 已提交
2279 2280 2281
			if (i <= 0) continue;
			if (FD_ISSET(fileno(stdin),&readfds))
				read_from_terminal = 1;
2282
#endif
B
Bodo Möller 已提交
2283 2284 2285 2286
			if (FD_ISSET(s,&readfds))
				read_from_sslcon = 1;
			}
		if (read_from_terminal)
2287
			{
2288 2289 2290 2291
			if (s_crlf)
				{
				int j, lf_num;

2292
				i=raw_read_stdin(buf, bufsize/2);
2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310
				lf_num = 0;
				/* both loops are skipped when i <= 0 */
				for (j = 0; j < i; j++)
					if (buf[j] == '\n')
						lf_num++;
				for (j = i-1; j >= 0; j--)
					{
					buf[j+lf_num] = buf[j];
					if (buf[j] == '\n')
						{
						lf_num--;
						i++;
						buf[j+lf_num] = '\r';
						}
					}
				assert(lf_num == 0);
				}
			else
2311
				i=raw_read_stdin(buf,bufsize);
2312
			if (!s_quiet && !s_brief)
2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324
				{
				if ((i <= 0) || (buf[0] == 'Q'))
					{
					BIO_printf(bio_s_out,"DONE\n");
					SHUTDOWN(s);
					close_accept_socket();
					ret= -11;
					goto err;
					}
				if ((i <= 0) || (buf[0] == 'q'))
					{
					BIO_printf(bio_s_out,"DONE\n");
B
Ben Laurie 已提交
2325 2326
					if (SSL_version(con) != DTLS1_VERSION)
                        SHUTDOWN(s);
2327 2328 2329 2330
	/*				close_accept_socket();
					ret= -11;*/
					goto err;
					}
B
Bodo Möller 已提交
2331

D
Dr. Stephen Henson 已提交
2332 2333 2334 2335 2336 2337 2338 2339 2340 2341
#ifndef OPENSSL_NO_HEARTBEATS
				if ((buf[0] == 'B') &&
					((buf[1] == '\n') || (buf[1] == '\r')))
					{
					BIO_printf(bio_err,"HEARTBEATING\n");
					SSL_heartbeat(con);
					i=0;
					continue;
					}
#endif
2342 2343
				if ((buf[0] == 'r') && 
					((buf[1] == '\n') || (buf[1] == '\r')))
2344 2345
					{
					SSL_renegotiate(con);
2346 2347
					i=SSL_do_handshake(con);
					printf("SSL_do_handshake -> %d\n",i);
2348 2349
					i=0; /*13; */
					continue;
2350
					/* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2351
					}
2352
				if ((buf[0] == 'R') &&
B
Ben Laurie 已提交
2353
					((buf[1] == '\n') || (buf[1] == '\r')))
2354 2355 2356 2357
					{
					SSL_set_verify(con,
						SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
					SSL_renegotiate(con);
2358 2359
					i=SSL_do_handshake(con);
					printf("SSL_do_handshake -> %d\n",i);
2360 2361
					i=0; /* 13; */
					continue;
2362
					/* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2363 2364 2365
					}
				if (buf[0] == 'P')
					{
N
Nils Larsch 已提交
2366
					static const char *str="Lets print some clear text\n";
2367 2368 2369 2370 2371 2372 2373
					BIO_write(SSL_get_wbio(con),str,strlen(str));
					}
				if (buf[0] == 'S')
					{
					print_stats(bio_s_out,SSL_get_SSL_CTX(con));
					}
				}
2374 2375 2376
#ifdef CHARSET_EBCDIC
			ebcdic2ascii(buf,buf,i);
#endif
2377 2378 2379 2380
			l=k=0;
			for (;;)
				{
				/* should do a select for the write */
2381 2382
#ifdef RENEG
{ static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2383
#endif
2384
				k=SSL_write(con,&(buf[l]),(unsigned int)i);
D
Dr. Stephen Henson 已提交
2385
#ifndef OPENSSL_NO_SRP
D
Dr. Stephen Henson 已提交
2386 2387 2388 2389 2390 2391 2392 2393 2394 2395
				while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
					{
					BIO_printf(bio_s_out,"LOOKUP renego during write\n");
					srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
					if (srp_callback_parm.user) 
						BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
					else 
						BIO_printf(bio_s_out,"LOOKUP not successful\n");
						k=SSL_write(con,&(buf[l]),(unsigned int)i);
					}
D
Dr. Stephen Henson 已提交
2396
#endif
2397
				switch (SSL_get_error(con,k))
2398
					{
2399 2400 2401 2402 2403
				case SSL_ERROR_NONE:
					break;
				case SSL_ERROR_WANT_WRITE:
				case SSL_ERROR_WANT_READ:
				case SSL_ERROR_WANT_X509_LOOKUP:
2404
					BIO_printf(bio_s_out,"Write BLOCK\n");
2405 2406 2407 2408
					break;
				case SSL_ERROR_SYSCALL:
				case SSL_ERROR_SSL:
					BIO_printf(bio_s_out,"ERROR\n");
2409
					ERR_print_errors(bio_err);
2410 2411
					ret=1;
					goto err;
2412
					/* break; */
2413
				case SSL_ERROR_ZERO_RETURN:
2414 2415 2416 2417 2418 2419 2420 2421 2422
					BIO_printf(bio_s_out,"DONE\n");
					ret=1;
					goto err;
					}
				l+=k;
				i-=k;
				if (i <= 0) break;
				}
			}
B
Bodo Möller 已提交
2423
		if (read_from_sslcon)
2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441
			{
			if (!SSL_is_init_finished(con))
				{
				i=init_ssl_connection(con);
				
				if (i < 0)
					{
					ret=0;
					goto err;
					}
				else if (i == 0)
					{
					ret=1;
					goto err;
					}
				}
			else
				{
2442 2443
again:	
				i=SSL_read(con,(char *)buf,bufsize);
D
Dr. Stephen Henson 已提交
2444
#ifndef OPENSSL_NO_SRP
D
Dr. Stephen Henson 已提交
2445 2446 2447 2448 2449 2450 2451 2452 2453 2454
				while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
					{
					BIO_printf(bio_s_out,"LOOKUP renego during read\n");
					srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
					if (srp_callback_parm.user) 
						BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
					else 
						BIO_printf(bio_s_out,"LOOKUP not successful\n");
					i=SSL_read(con,(char *)buf,bufsize);
					}
D
Dr. Stephen Henson 已提交
2455
#endif
2456
				switch (SSL_get_error(con,i))
2457
					{
2458
				case SSL_ERROR_NONE:
2459 2460 2461
#ifdef CHARSET_EBCDIC
					ascii2ebcdic(buf,buf,i);
#endif
2462
					raw_write_stdout(buf,
2463
						(unsigned int)i);
2464
					if (SSL_pending(con)) goto again;
2465 2466 2467
					break;
				case SSL_ERROR_WANT_WRITE:
				case SSL_ERROR_WANT_READ:
2468
					BIO_printf(bio_s_out,"Read BLOCK\n");
2469 2470 2471 2472
					break;
				case SSL_ERROR_SYSCALL:
				case SSL_ERROR_SSL:
					BIO_printf(bio_s_out,"ERROR\n");
2473
					ERR_print_errors(bio_err);
2474 2475 2476
					ret=1;
					goto err;
				case SSL_ERROR_ZERO_RETURN:
2477 2478 2479 2480 2481 2482 2483 2484
					BIO_printf(bio_s_out,"DONE\n");
					ret=1;
					goto err;
					}
				}
			}
		}
err:
2485 2486 2487
	if (con != NULL)
		{
		BIO_printf(bio_s_out,"shutting down SSL\n");
2488
#if 1
2489
		SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2490
#else
2491
		SSL_shutdown(con);
2492
#endif
2493 2494
		SSL_free(con);
		}
2495 2496 2497
	BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
	if (buf != NULL)
		{
2498
		OPENSSL_cleanse(buf,bufsize);
2499
		OPENSSL_free(buf);
2500 2501 2502 2503 2504 2505
		}
	if (ret >= 0)
		BIO_printf(bio_s_out,"ACCEPT\n");
	return(ret);
	}

U
Ulf Möller 已提交
2506
static void close_accept_socket(void)
2507 2508 2509 2510 2511 2512 2513 2514
	{
	BIO_printf(bio_err,"shutdown accept socket\n");
	if (accept_socket >= 0)
		{
		SHUTDOWN2(accept_socket);
		}
	}

U
Ulf Möller 已提交
2515
static int init_ssl_connection(SSL *con)
2516 2517
	{
	int i;
B
Ben Laurie 已提交
2518
	const char *str;
2519
	X509 *peer;
2520
	long verify_error;
2521
	MS_STATIC char buf[BUFSIZ];
2522 2523 2524
#ifndef OPENSSL_NO_KRB5
	char *client_princ;
#endif
B
Ben Laurie 已提交
2525
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
B
Ben Laurie 已提交
2526 2527
	const unsigned char *next_proto_neg;
	unsigned next_proto_neg_len;
2528
#endif
B
Ben Laurie 已提交
2529 2530
	unsigned char *exportedkeymat;

2531

D
Dr. Stephen Henson 已提交
2532
	i=SSL_accept(con);
D
Dr. Stephen Henson 已提交
2533
#ifndef OPENSSL_NO_SRP
D
Dr. Stephen Henson 已提交
2534 2535 2536 2537 2538 2539 2540 2541 2542 2543
	while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
		{
			BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
			srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
			if (srp_callback_parm.user) 
				BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
			else 
				BIO_printf(bio_s_out,"LOOKUP not successful\n");
			i=SSL_accept(con);
		}
D
Dr. Stephen Henson 已提交
2544
#endif
D
Dr. Stephen Henson 已提交
2545
	if (i <= 0)
2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559
		{
		if (BIO_sock_should_retry(i))
			{
			BIO_printf(bio_s_out,"DELAY\n");
			return(1);
			}

		BIO_printf(bio_err,"ERROR\n");
		verify_error=SSL_get_verify_result(con);
		if (verify_error != X509_V_OK)
			{
			BIO_printf(bio_err,"verify error:%s\n",
				X509_verify_cert_error_string(verify_error));
			}
2560 2561
		/* Always print any error messages */
		ERR_print_errors(bio_err);
2562 2563 2564
		return(0);
		}

2565 2566 2567
	if (s_brief)
		print_ssl_summary(bio_err, con);

2568 2569 2570 2571 2572 2573 2574
	PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));

	peer=SSL_get_peer_certificate(con);
	if (peer != NULL)
		{
		BIO_printf(bio_s_out,"Client certificate\n");
		PEM_write_bio_X509(bio_s_out,peer);
2575
		X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2576
		BIO_printf(bio_s_out,"subject=%s\n",buf);
2577
		X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2578 2579 2580 2581
		BIO_printf(bio_s_out,"issuer=%s\n",buf);
		X509_free(peer);
		}

2582
	if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2583 2584
		BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
	str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2585
	ssl_print_sigalgs(bio_s_out, con);
2586
	ssl_print_point_formats(bio_s_out, con);
2587
	ssl_print_curves(bio_s_out, con, 0);
2588
	BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2589

B
Ben Laurie 已提交
2590
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
B
Ben Laurie 已提交
2591 2592 2593 2594 2595 2596 2597 2598
	SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
	if (next_proto_neg)
		{
		BIO_printf(bio_s_out,"NEXTPROTO is ");
		BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
		BIO_printf(bio_s_out, "\n");
		}
#endif
B
Ben Laurie 已提交
2599 2600 2601 2602 2603 2604 2605 2606
	{
	SRTP_PROTECTION_PROFILE *srtp_profile
	  = SSL_get_selected_srtp_profile(con);

	if(srtp_profile)
		BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
			   srtp_profile->name);
	}
2607
	if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2608 2609
	if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
		TLS1_FLAGS_TLS_PADDING_BUG)
B
Ben Laurie 已提交
2610 2611
		BIO_printf(bio_s_out,
			   "Peer has incorrect TLSv1 block padding\n");
2612
#ifndef OPENSSL_NO_KRB5
2613 2614
	client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
	if (client_princ != NULL)
2615 2616
		{
		BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2617
								client_princ);
2618 2619
		}
#endif /* OPENSSL_NO_KRB5 */
2620 2621
	BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
		      SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
D
Dr. Stephen Henson 已提交
2622 2623 2624 2625 2626
	if (keymatexportlabel != NULL)
		{
		BIO_printf(bio_s_out, "Keying material exporter:\n");
		BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
		BIO_printf(bio_s_out, "    Length: %i bytes\n",
B
Ben Laurie 已提交
2627
			   keymatexportlen);
D
Dr. Stephen Henson 已提交
2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643
		exportedkeymat = OPENSSL_malloc(keymatexportlen);
		if (exportedkeymat != NULL)
			{
			if (!SSL_export_keying_material(con, exportedkeymat,
						        keymatexportlen,
						        keymatexportlabel,
						        strlen(keymatexportlabel),
						        NULL, 0, 0))
				{
				BIO_printf(bio_s_out, "    Error\n");
				}
			else
				{
				BIO_printf(bio_s_out, "    Keying material: ");
				for (i=0; i<keymatexportlen; i++)
					BIO_printf(bio_s_out, "%02X",
B
Ben Laurie 已提交
2644
						   exportedkeymat[i]);
D
Dr. Stephen Henson 已提交
2645 2646 2647 2648 2649
				BIO_printf(bio_s_out, "\n");
				}
			OPENSSL_free(exportedkeymat);
			}
		}
B
Ben Laurie 已提交
2650

2651 2652 2653
	return(1);
	}

2654
#ifndef OPENSSL_NO_DH
N
Nils Larsch 已提交
2655
static DH *load_dh_param(const char *dhfile)
2656 2657 2658 2659
	{
	DH *ret=NULL;
	BIO *bio;

2660
	if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2661
		goto err;
2662
	ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2663 2664 2665 2666
err:
	if (bio != NULL) BIO_free(bio);
	return(ret);
	}
2667
#endif
2668 2669

#if 0
U
Ulf Möller 已提交
2670
static int load_CA(SSL_CTX *ctx, char *file)
2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689
	{
	FILE *in;
	X509 *x=NULL;

	if ((in=fopen(file,"r")) == NULL)
		return(0);

	for (;;)
		{
		if (PEM_read_X509(in,&x,NULL) == NULL)
			break;
		SSL_CTX_add_client_CA(ctx,x);
		}
	if (x != NULL) X509_free(x);
	fclose(in);
	return(1);
	}
#endif

2690
static int www_body(char *hostname, int s, int stype, unsigned char *context)
2691
	{
2692
	char *buf=NULL;
2693
	int ret=1;
B
Ben Laurie 已提交
2694
	int i,j,k,dot;
2695
	SSL *con;
2696
	const SSL_CIPHER *c;
2697
	BIO *io,*ssl_bio,*sbio;
2698 2699 2700
#ifndef OPENSSL_NO_KRB5
	KSSL_CTX *kctx;
#endif
2701

2702
	buf=OPENSSL_malloc(bufsize);
2703
	if (buf == NULL) return(0);
2704 2705 2706 2707 2708 2709 2710
	io=BIO_new(BIO_f_buffer());
	ssl_bio=BIO_new(BIO_f_ssl());
	if ((io == NULL) || (ssl_bio == NULL)) goto err;

#ifdef FIONBIO	
	if (s_nbio)
		{
2711
		unsigned long sl=1;
2712 2713 2714

		if (!s_quiet)
			BIO_printf(bio_err,"turning on non blocking io\n");
2715 2716
		if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
			ERR_print_errors(bio_err);
2717 2718 2719 2720
		}
#endif

	/* lets make the output buffer a reasonable size */
2721
	if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2722

D
 
Dr. Stephen Henson 已提交
2723
	if ((con=SSL_new(ctx)) == NULL) goto err;
2724 2725 2726 2727 2728 2729 2730
#ifndef OPENSSL_NO_TLSEXT
		if (s_tlsextdebug)
			{
			SSL_set_tlsext_debug_callback(con, tlsext_cb);
			SSL_set_tlsext_debug_arg(con, bio_s_out);
			}
#endif
2731
#ifndef OPENSSL_NO_KRB5
2732
	if ((kctx = kssl_ctx_new()) != NULL)
2733
		{
2734 2735
		kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
		kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2736 2737
		}
#endif	/* OPENSSL_NO_KRB5 */
B
Ben Laurie 已提交
2738 2739
	if(context) SSL_set_session_id_context(con, context,
					       strlen((char *)context));
2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750

	sbio=BIO_new_socket(s,BIO_NOCLOSE);
	if (s_nbio_test)
		{
		BIO *test;

		test=BIO_new(BIO_f_nbio_test());
		sbio=BIO_push(test,sbio);
		}
	SSL_set_bio(con,sbio,sbio);
	SSL_set_accept_state(con);
2751

2752 2753 2754
	/* SSL_set_fd(con,s); */
	BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
	BIO_push(io,ssl_bio);
2755 2756 2757
#ifdef CHARSET_EBCDIC
	io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
#endif
2758 2759 2760

	if (s_debug)
		{
2761
		SSL_set_debug(con, 1);
2762
		BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
N
Nils Larsch 已提交
2763
		BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2764
		}
2765 2766
	if (s_msg)
		{
2767 2768 2769 2770 2771 2772 2773
#ifndef OPENSSL_NO_SSL_TRACE
		if (s_msg == 2)
			SSL_set_msg_callback(con, SSL_trace);
		else
#endif
			SSL_set_msg_callback(con, msg_cb);
		SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2774
		}
2775 2776 2777 2778 2779 2780

	for (;;)
		{
		if (hack)
			{
			i=SSL_accept(con);
D
Dr. Stephen Henson 已提交
2781
#ifndef OPENSSL_NO_SRP
D
Dr. Stephen Henson 已提交
2782 2783 2784 2785 2786 2787 2788 2789 2790 2791
			while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
		{
			BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
			srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
			if (srp_callback_parm.user) 
				BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
			else 
				BIO_printf(bio_s_out,"LOOKUP not successful\n");
			i=SSL_accept(con);
		}
D
Dr. Stephen Henson 已提交
2792
#endif
2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805
			switch (SSL_get_error(con,i))
				{
			case SSL_ERROR_NONE:
				break;
			case SSL_ERROR_WANT_WRITE:
			case SSL_ERROR_WANT_READ:
			case SSL_ERROR_WANT_X509_LOOKUP:
				continue;
			case SSL_ERROR_SYSCALL:
			case SSL_ERROR_SSL:
			case SSL_ERROR_ZERO_RETURN:
				ret=1;
				goto err;
2806
				/* break; */
2807 2808 2809 2810 2811 2812
				}

			SSL_renegotiate(con);
			SSL_write(con,NULL,0);
			}

2813
		i=BIO_gets(io,buf,bufsize-1);
2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824
		if (i < 0) /* error */
			{
			if (!BIO_should_retry(io))
				{
				if (!s_quiet)
					ERR_print_errors(bio_err);
				goto err;
				}
			else
				{
				BIO_printf(bio_s_out,"read R BLOCK\n");
R
Richard Levitte 已提交
2825 2826 2827
#if defined(OPENSSL_SYS_NETWARE)
            delay(1000);
#elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838
				sleep(1);
#endif
				continue;
				}
			}
		else if (i == 0) /* end of input */
			{
			ret=1;
			goto end;
			}

2839
		/* else we have data */
2840
		if (	((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2841
			((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2842 2843 2844
			{
			char *p;
			X509 *peer;
B
Ben Laurie 已提交
2845
			STACK_OF(SSL_CIPHER) *sk;
N
Nils Larsch 已提交
2846
			static const char *space="                          ";
2847

2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862
		if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
			{
			if (strncmp("GET /renegcert", buf, 14) == 0)
				SSL_set_verify(con,
				SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
			i=SSL_renegotiate(con);
			BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
			i=SSL_do_handshake(con);
			if (i <= 0)
				{
				BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
				ERR_print_errors(bio_err);
				goto err;
				}
			/* EVIL HACK! */
2863
			SSL_set_state(con, SSL_ST_ACCEPT);
2864 2865 2866 2867 2868 2869 2870 2871 2872 2873
			i=SSL_do_handshake(con);
			BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
			if (i <= 0)
				{
				BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
				ERR_print_errors(bio_err);
				goto err;
				}
			}

2874
			BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2875
			BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2876 2877 2878 2879 2880 2881 2882 2883 2884 2885
			BIO_puts(io,"<pre>\n");
/*			BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
			BIO_puts(io,"\n");
			for (i=0; i<local_argc; i++)
				{
				BIO_puts(io,local_argv[i]);
				BIO_write(io," ",1);
				}
			BIO_puts(io,"\n");

2886 2887 2888 2889 2890
			BIO_printf(io,
				"Secure Renegotiation IS%s supported\n",
		      		SSL_get_secure_renegotiation_support(con) ?
							"" : " NOT");

2891 2892 2893 2894
			/* The following is evil and should not really
			 * be done */
			BIO_printf(io,"Ciphers supported in s_server binary\n");
			sk=SSL_get_ciphers(con);
B
Ben Laurie 已提交
2895
			j=sk_SSL_CIPHER_num(sk);
2896 2897
			for (i=0; i<j; i++)
				{
B
Ben Laurie 已提交
2898
				c=sk_SSL_CIPHER_value(sk,i);
2899
				BIO_printf(io,"%-11s:%-25s",
2900 2901
					SSL_CIPHER_get_version(c),
					SSL_CIPHER_get_name(c));
2902
				if ((((i+1)%2) == 0) && (i+1 != j))
2903 2904 2905
					BIO_puts(io,"\n");
				}
			BIO_puts(io,"\n");
2906
			p=SSL_get_shared_ciphers(con,buf,bufsize);
2907 2908 2909 2910 2911 2912 2913 2914
			if (p != NULL)
				{
				BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
				j=i=0;
				while (*p)
					{
					if (*p == ':')
						{
2915
						BIO_write(io,space,26-j);
2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928
						i++;
						j=0;
						BIO_write(io,((i%3)?" ":"\n"),1);
						}
					else
						{
						BIO_write(io,p,1);
						j++;
						}
					p++;
					}
				BIO_puts(io,"\n");
				}
2929
			ssl_print_sigalgs(io, con);
2930
			ssl_print_curves(io, con, 0);
2931
			BIO_printf(io,(SSL_cache_hit(con)
2932 2933 2934
				?"---\nReused, "
				:"---\nNew, "));
			c=SSL_get_current_cipher(con);
2935
			BIO_printf(io,"%s, Cipher is %s\n",
2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950
				SSL_CIPHER_get_version(c),
				SSL_CIPHER_get_name(c));
			SSL_SESSION_print(io,SSL_get_session(con));
			BIO_printf(io,"---\n");
			print_stats(io,SSL_get_SSL_CTX(con));
			BIO_printf(io,"---\n");
			peer=SSL_get_peer_certificate(con);
			if (peer != NULL)
				{
				BIO_printf(io,"Client certificate\n");
				X509_print(io,peer);
				PEM_write_bio_X509(io,peer);
				}
			else
				BIO_puts(io,"no client certificate available\n");
2951
			BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2952 2953
			break;
			}
2954 2955
		else if ((www == 2 || www == 3)
                         && (strncmp("GET /",buf,5) == 0))
2956 2957 2958
			{
			BIO *file;
			char *p,*e;
N
Nils Larsch 已提交
2959
			static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2960 2961 2962

			/* skip the '/' */
			p= &(buf[5]);
2963 2964

			dot = 1;
2965 2966
			for (e=p; *e != '\0'; e++)
				{
2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981
				if (e[0] == ' ')
					break;

				switch (dot)
					{
				case 1:
					dot = (e[0] == '.') ? 2 : 0;
					break;
				case 2:
					dot = (e[0] == '.') ? 3 : 0;
					break;
				case 3:
					dot = (e[0] == '/') ? -1 : 0;
					break;
					}
2982 2983
				if (dot == 0)
					dot = (e[0] == '/') ? 1 : 0;
2984
				}
2985
			dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008

			if (*e == '\0')
				{
				BIO_puts(io,text);
				BIO_printf(io,"'%s' is an invalid file name\r\n",p);
				break;
				}
			*e='\0';

			if (dot)
				{
				BIO_puts(io,text);
				BIO_printf(io,"'%s' contains '..' reference\r\n",p);
				break;
				}

			if (*p == '/')
				{
				BIO_puts(io,text);
				BIO_printf(io,"'%s' is an invalid path\r\n",p);
				break;
				}

B
Bodo Möller 已提交
3009
#if 0
3010 3011 3012
			/* append if a directory lookup */
			if (e[-1] == '/')
				strcat(p,"index.html");
B
Bodo Möller 已提交
3013
#endif
3014 3015

			/* if a directory, do the index thang */
3016
			if (app_isdir(p)>0)
3017
				{
B
Bodo Möller 已提交
3018
#if 0 /* must check buffer size */
3019
				strcat(p,"/index.html");
B
Bodo Möller 已提交
3020 3021 3022 3023 3024
#else
				BIO_puts(io,text);
				BIO_printf(io,"'%s' is a directory\r\n",p);
				break;
#endif
3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037
				}

			if ((file=BIO_new_file(p,"r")) == NULL)
				{
				BIO_puts(io,text);
				BIO_printf(io,"Error opening '%s'\r\n",p);
				ERR_print_errors(io);
				break;
				}

			if (!s_quiet)
				BIO_printf(bio_err,"FILE:%s\n",p);

3038 3039 3040 3041 3042 3043 3044 3045 3046 3047
                        if (www == 2)
                                {
                                i=strlen(p);
                                if (	((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
                                        ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
                                        ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
                                        BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
                                else
                                        BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
                                }
3048 3049 3050
			/* send the file */
			for (;;)
				{
3051
				i=BIO_read(file,buf,bufsize);
3052 3053
				if (i <= 0) break;

3054
#ifdef RENEG
3055 3056 3057 3058 3059 3060 3061 3062
				total_bytes+=i;
				fprintf(stderr,"%d\n",i);
				if (total_bytes > 3*1024)
					{
					total_bytes=0;
					fprintf(stderr,"RENEGOTIATE\n");
					SSL_renegotiate(con);
					}
3063
#endif
3064

3065 3066
				for (j=0; j<i; )
					{
3067 3068 3069
#ifdef RENEG
{ static count=0; if (++count == 13) { SSL_renegotiate(con); } }
#endif
3070 3071 3072 3073
					k=BIO_write(io,&(buf[j]),i-j);
					if (k <= 0)
						{
						if (!BIO_should_retry(io))
3074
							goto write_error;
3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085
						else
							{
							BIO_printf(bio_s_out,"rwrite W BLOCK\n");
							}
						}
					else
						{
						j+=k;
						}
					}
				}
3086
write_error:
3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103
			BIO_free(file);
			break;
			}
		}

	for (;;)
		{
		i=(int)BIO_flush(io);
		if (i <= 0)
			{
			if (!BIO_should_retry(io))
				break;
			}
		else
			break;
		}
end:
3104
#if 1
3105 3106 3107
	/* make sure we re-use sessions */
	SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
#else
U
Ulf Möller 已提交
3108
	/* This kills performance */
3109 3110
/*	SSL_shutdown(con); A shutdown gets sent in the
 *	BIO_free_all(io) procession */
3111 3112 3113
#endif

err:
3114

3115 3116 3117
	if (ret >= 0)
		BIO_printf(bio_s_out,"ACCEPT\n");

3118
	if (buf != NULL) OPENSSL_free(buf);
3119
	if (io != NULL) BIO_free_all(io);
3120
/*	if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3121 3122 3123
	return(ret);
	}

3124
static int rev_body(char *hostname, int s, int stype, unsigned char *context)
3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239
	{
	char *buf=NULL;
	int i;
	int ret=1;
	SSL *con;
	BIO *io,*ssl_bio,*sbio;
#ifndef OPENSSL_NO_KRB5
	KSSL_CTX *kctx;
#endif

	buf=OPENSSL_malloc(bufsize);
	if (buf == NULL) return(0);
	io=BIO_new(BIO_f_buffer());
	ssl_bio=BIO_new(BIO_f_ssl());
	if ((io == NULL) || (ssl_bio == NULL)) goto err;

	/* lets make the output buffer a reasonable size */
	if (!BIO_set_write_buffer_size(io,bufsize)) goto err;

	if ((con=SSL_new(ctx)) == NULL) goto err;
#ifndef OPENSSL_NO_TLSEXT
	if (s_tlsextdebug)
		{
		SSL_set_tlsext_debug_callback(con, tlsext_cb);
		SSL_set_tlsext_debug_arg(con, bio_s_out);
		}
#endif
#ifndef OPENSSL_NO_KRB5
	if ((kctx = kssl_ctx_new()) != NULL)
		{
		kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
		kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
		}
#endif	/* OPENSSL_NO_KRB5 */
	if(context) SSL_set_session_id_context(con, context,
					       strlen((char *)context));

	sbio=BIO_new_socket(s,BIO_NOCLOSE);
	SSL_set_bio(con,sbio,sbio);
	SSL_set_accept_state(con);

	BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
	BIO_push(io,ssl_bio);
#ifdef CHARSET_EBCDIC
	io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
#endif

	if (s_debug)
		{
		SSL_set_debug(con, 1);
		BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
		BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
		}
	if (s_msg)
		{
#ifndef OPENSSL_NO_SSL_TRACE
		if (s_msg == 2)
			SSL_set_msg_callback(con, SSL_trace);
		else
#endif
			SSL_set_msg_callback(con, msg_cb);
		SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
		}

	for (;;)
		{
		i = BIO_do_handshake(io);
		if (i > 0)
			break;
		if (!BIO_should_retry(io))
			{
			BIO_puts(bio_err, "CONNECTION FAILURE\n");
			ERR_print_errors(bio_err);
			goto end;
			}
		}
	BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
	print_ssl_summary(bio_err, con);

	for (;;)
		{
		i=BIO_gets(io,buf,bufsize-1);
		if (i < 0) /* error */
			{
			if (!BIO_should_retry(io))
				{
				if (!s_quiet)
					ERR_print_errors(bio_err);
				goto err;
				}
			else
				{
				BIO_printf(bio_s_out,"read R BLOCK\n");
#if defined(OPENSSL_SYS_NETWARE)
            delay(1000);
#elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
				sleep(1);
#endif
				continue;
				}
			}
		else if (i == 0) /* end of input */
			{
			ret=1;
			BIO_printf(bio_err, "CONNECTION CLOSED\n");
			goto end;
			}
		else
			{
			char *p = buf + i - 1;
			while(i && (*p == '\n' || *p == '\r'))
				{
				p--;
				i--;
				}
3240 3241 3242 3243 3244 3245
			if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5))
				{
				ret = 1;
				BIO_printf(bio_err, "CONNECTION CLOSED\n");
				goto end;
				}
3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269
			BUF_reverse((unsigned char *)buf, NULL, i);
			buf[i] = '\n';
			BIO_write(io, buf, i + 1);
			for (;;)
				{
				i = BIO_flush(io);
				if (i > 0)
					break;
				if (!BIO_should_retry(io))
					goto end;
				}
			}
		}
end:
	/* make sure we re-use sessions */
	SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);

err:

	if (buf != NULL) OPENSSL_free(buf);
	if (io != NULL) BIO_free_all(io);
	return(ret);
	}

3270
#ifndef OPENSSL_NO_RSA
U
Ulf Möller 已提交
3271
static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3272
	{
3273
	BIGNUM *bn = NULL;
3274 3275
	static RSA *rsa_tmp=NULL;

3276 3277 3278
	if (!rsa_tmp && ((bn = BN_new()) == NULL))
		BIO_printf(bio_err,"Allocation error in generating RSA key\n");
	if (!rsa_tmp && bn)
3279 3280 3281
		{
		if (!s_quiet)
			{
3282
			BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
B
Bodo Möller 已提交
3283
			(void)BIO_flush(bio_err);
3284
			}
3285 3286
		if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
				!RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3287 3288 3289 3290
			{
			if(rsa_tmp) RSA_free(rsa_tmp);
			rsa_tmp = NULL;
			}
3291 3292 3293
		if (!s_quiet)
			{
			BIO_printf(bio_err,"\n");
B
Bodo Möller 已提交
3294
			(void)BIO_flush(bio_err);
3295
			}
3296
		BN_free(bn);
3297 3298 3299
		}
	return(rsa_tmp);
	}
3300
#endif
3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317

#define MAX_SESSION_ID_ATTEMPTS 10
static int generate_session_id(const SSL *ssl, unsigned char *id,
				unsigned int *id_len)
	{
	unsigned int count = 0;
	do	{
		RAND_pseudo_bytes(id, *id_len);
		/* Prefix the session_id with the required prefix. NB: If our
		 * prefix is too long, clip it - but there will be worse effects
		 * anyway, eg. the server could only possibly create 1 session
		 * ID (ie. the prefix!) so all future session negotiations will
		 * fail due to conflicts. */
		memcpy(id, session_id_prefix,
			(strlen(session_id_prefix) < *id_len) ?
			strlen(session_id_prefix) : *id_len);
		}
G
Geoff Thorpe 已提交
3318
	while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3319 3320 3321 3322 3323
		(++count < MAX_SESSION_ID_ATTEMPTS));
	if(count >= MAX_SESSION_ID_ATTEMPTS)
		return 0;
	return 1;
	}
3324 3325 3326 3327 3328 3329 3330 3331 3332 3333

/* By default s_server uses an in-memory cache which caches SSL_SESSION
 * structures without any serialisation. This hides some bugs which only
 * become apparent in deployed servers. By implementing a basic external
 * session cache some issues can be debugged using s_server.
 */

typedef struct simple_ssl_session_st
	{
	unsigned char *id;
3334
	unsigned int idlen;
3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348
	unsigned char *der;
	int derlen;
	struct simple_ssl_session_st *next;
	} simple_ssl_session;

static simple_ssl_session *first = NULL;

static int add_session(SSL *ssl, SSL_SESSION *session)
	{
	simple_ssl_session *sess;
	unsigned char *p;

	sess = OPENSSL_malloc(sizeof(simple_ssl_session));

3349
	SSL_SESSION_get_id(session, &sess->idlen);
3350 3351
	sess->derlen = i2d_SSL_SESSION(session, NULL);

3352
	sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370

	sess->der = OPENSSL_malloc(sess->derlen);
	p = sess->der;
	i2d_SSL_SESSION(session, &p);

	sess->next = first;
	first = sess;
	BIO_printf(bio_err, "New session added to external cache\n");
	return 0;
	}

static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
					int *do_copy)
	{
	simple_ssl_session *sess;
	*do_copy = 0;
	for (sess = first; sess; sess = sess->next)
		{
3371
		if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384
			{
			const unsigned char *p = sess->der;
			BIO_printf(bio_err, "Lookup session: cache hit\n");
			return d2i_SSL_SESSION(NULL, &p, sess->derlen);
			}
		}
	BIO_printf(bio_err, "Lookup session: cache miss\n");
	return NULL;
	}

static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
	{
	simple_ssl_session *sess, *prev = NULL;
3385 3386 3387
	const unsigned char *id;
	unsigned int idlen;
	id = SSL_SESSION_get_id(session, &idlen);	
3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426
	for (sess = first; sess; sess = sess->next)
		{
		if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
			{
			if(prev)
				prev->next = sess->next;
			else
				first = sess->next;
			OPENSSL_free(sess->id);
			OPENSSL_free(sess->der);
			OPENSSL_free(sess);
			return;
			}
		prev = sess;
		}
	}

static void init_session_cache_ctx(SSL_CTX *sctx)
	{
	SSL_CTX_set_session_cache_mode(sctx,
			SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
	SSL_CTX_sess_set_new_cb(sctx, add_session);
        SSL_CTX_sess_set_get_cb(sctx, get_session);
        SSL_CTX_sess_set_remove_cb(sctx, del_session);
	}

static void free_sessions(void)
	{
	simple_ssl_session *sess, *tsess;
	for (sess = first; sess;)
		{
		OPENSSL_free(sess->id);
		OPENSSL_free(sess->der);
		tsess = sess;
		sess = sess->next;
		OPENSSL_free(tsess);
		}
	first = NULL;
	}