diff -r 000000000000 -r e4d67989cc36 ssl/tsrc/topenssl/src/s_server.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/tsrc/topenssl/src/s_server.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,2027 @@
+/* apps/s_server.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * 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.]
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    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).
+ *
+ */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ * ECC cipher suite support in OpenSSL originally developed by 
+ * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
+ */
+
+/* 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
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/select.h>
+#include <sys/stat.h>
+#include <openssl/e_os2.h>
+#ifdef OPENSSL_NO_STDIO
+#define APPS_WIN16
+#endif
+
+#if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
+#include <sys/types.h>
+#endif
+
+/* 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 */
+#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
+#define __U_INT
+typedef unsigned int u_int;
+#endif
+
+#include <openssl/lhash.h>
+#include <openssl/bn.h>
+#define USE_SOCKETS
+#include "apps.h"
+#include <openssl/err.h>
+#include <openssl/pem.h>
+#include <openssl/x509.h>
+#include <openssl/ssl.h>
+#include <openssl/rand.h>
+#ifndef OPENSSL_NO_DH
+#include <openssl/dh.h>
+#endif
+#ifndef OPENSSL_NO_RSA
+#include <openssl/rsa.h>
+#endif
+#include "s_apps.h"
+#include "timeouts.h"
+
+#ifdef OPENSSL_SYS_WINCE
+/* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
+#ifdef fileno
+#undef fileno
+#endif
+#define fileno(a) (int)_fileno(a)
+#endif
+
+#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
+/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
+#undef FIONBIO
+#endif
+
+#ifndef OPENSSL_NO_RSA
+static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
+#endif
+static int sv_body(char *hostname, int s, unsigned char *context);
+static int www_body(char *hostname, int s, unsigned char *context);
+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);
+static int generate_session_id(const SSL *ssl, unsigned char *id,
+				unsigned int *id_len);
+#ifndef OPENSSL_NO_DH
+static DH *load_dh_param(const char *dhfile);
+static DH *get_dh512(void);
+#endif
+
+
+#ifdef MONOLITH
+static void s_server_init(void);
+#endif
+
+#ifndef S_ISDIR
+# if defined(_S_IFMT) && defined(_S_IFDIR)
+#  define S_ISDIR(a)	(((a) & _S_IFMT) == _S_IFDIR)
+# else
+#  define S_ISDIR(a)	(((a) & S_IFMT) == S_IFDIR)
+# endif
+#endif
+
+#ifndef OPENSSL_NO_DH
+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,
+	};
+
+static DH *get_dh512(void)
+	{
+	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);
+	}
+#endif
+
+
+/* static int load_CA(SSL_CTX *ctx, char *file);*/
+
+#undef BUFSIZZ
+#define BUFSIZZ	16*1024
+static int bufsize=BUFSIZZ;
+static int accept_socket= -1;
+
+#define TEST_CERT	"server.pem"
+#undef PROG
+#define PROG		s_server_main
+
+extern int verify_depth;
+
+static char *cipher=NULL;
+static int s_server_verify=SSL_VERIFY_NONE;
+static int s_server_session_id_context = 1; /* anything will do */
+static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
+static char *s_dcert_file=NULL,*s_dkey_file=NULL;
+#ifdef FIONBIO
+static int s_nbio=0;
+#endif
+static int s_nbio_test=0;
+int s_crlf=0;
+static SSL_CTX *ctx=NULL;
+static int www=0;
+
+static BIO *bio_s_out=NULL;
+static int s_debug=0;
+static int s_msg=0;
+static int s_quiet=0;
+
+static int hack=0;
+#ifndef OPENSSL_NO_ENGINE
+static char *engine_id=NULL;
+#endif
+static const char *session_id_prefix=NULL;
+
+static int enable_timeouts = 0;
+#ifdef mtu
+#undef mtu
+#endif
+static long mtu;
+static int cert_chain = 0;
+
+
+#ifdef MONOLITH
+static void s_server_init(void)
+	{
+	accept_socket=-1;
+	cipher=NULL;
+	s_server_verify=SSL_VERIFY_NONE;
+	s_dcert_file=NULL;
+	s_dkey_file=NULL;
+	s_cert_file=TEST_CERT;
+	s_key_file=NULL;
+#ifdef FIONBIO
+	s_nbio=0;
+#endif
+	s_nbio_test=0;
+	ctx=NULL;
+	www=0;
+
+	bio_s_out=NULL;
+	s_debug=0;
+	s_msg=0;
+	s_quiet=0;
+	hack=0;
+#ifndef OPENSSL_NO_ENGINE
+	engine_id=NULL;
+#endif
+	}
+#endif
+
+static void sv_usage(void)
+	{
+	BIO_printf(bio_err,"usage: s_server [args ...]\n");
+	BIO_printf(bio_err,"\n");
+	BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
+	BIO_printf(bio_err," -context arg  - set session ID context\n");
+	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");
+	BIO_printf(bio_err," -cert arg     - certificate file to use\n");
+	BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
+	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");
+	BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
+	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");
+	BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
+	BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
+	BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
+	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");
+	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");
+#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" \
+	                   "                 (default is sect163r2).\n");
+#endif
+#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");
+	BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
+	BIO_printf(bio_err," -debug        - Print more output\n");
+	BIO_printf(bio_err," -msg          - Show protocol messages\n");
+	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");
+	BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
+	BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
+	BIO_printf(bio_err," -quiet        - No server output\n");
+	BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
+	BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
+	BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
+	BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
+	BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
+	BIO_printf(bio_err," -timeout      - Enable timeouts\n");
+	BIO_printf(bio_err," -mtu          - Set MTU\n");
+	BIO_printf(bio_err," -chain        - Read a certificate chain\n");
+	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");
+#ifndef OPENSSL_NO_DH
+	BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
+#endif
+#ifndef OPENSSL_NO_ECDH
+	BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
+#endif
+	BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
+	BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
+	BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
+	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");
+#ifndef OPENSSL_NO_ENGINE
+	BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
+#endif
+	BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
+	BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
+	}
+
+static int local_argc=0;
+static char **local_argv;
+
+#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);
+static int ebcdic_write(BIO *b, const char *in, int inl);
+static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
+static int ebcdic_gets(BIO *bp, char *buf, int size);
+static int ebcdic_puts(BIO *bp, const char *str);
+
+#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;
+
+	wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
+	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)
+		OPENSSL_free(a->ptr);
+	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);
+}
+
+static int ebcdic_write(BIO *b, const char *in, int inl)
+{
+	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;
+		OPENSSL_free(wbuf);
+		wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
+
+		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);
+}
+
+static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+	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)
+{
+	int i, ret=0;
+	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;
+}
+
+static int ebcdic_puts(BIO *bp, const char *str)
+{
+	if (bp->next_bio == NULL) return(0);
+	return ebcdic_write(bp, str, strlen(str));
+}
+#endif
+
+int MAIN(int, char **);
+
+int MAIN(int argc, char *argv[])
+	{
+	X509_STORE *store = NULL;
+	int vflags = 0;
+	short port=PORT;
+	char *CApath=NULL,*CAfile=NULL;
+	unsigned char *context = NULL;
+	char *dhfile = NULL;
+#ifndef OPENSSL_NO_ECDH
+	char *named_curve = NULL;
+#endif
+	int badop=0,bugs=0;
+	int ret=1;
+	int off=0;
+	int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
+	int state=0;
+	SSL_METHOD *meth=NULL;
+        int socket_type=SOCK_STREAM;
+#ifndef OPENSSL_NO_ENGINE
+	ENGINE *e=NULL;
+#endif
+	char *inrand=NULL;
+	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;
+	EVP_PKEY *s_key = NULL, *s_dkey = NULL;
+
+
+#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
+	meth=SSLv23_server_method();
+#elif !defined(OPENSSL_NO_SSL3)
+	meth=SSLv3_server_method();
+#elif !defined(OPENSSL_NO_SSL2)
+	meth=SSLv2_server_method();
+#endif
+
+	local_argc=argc;
+	local_argv=argv;
+
+	apps_startup();
+#ifdef MONOLITH
+	s_server_init();
+#endif
+
+	if (bio_err == NULL)
+		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
+
+	if (!load_config(bio_err, NULL))
+		goto end;
+
+	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;
+			}
+		else if	(strcmp(*argv,"-verify") == 0)
+			{
+			s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
+			if (--argc < 1) goto bad;
+			verify_depth=atoi(*(++argv));
+			BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
+			}
+		else if	(strcmp(*argv,"-Verify") == 0)
+			{
+			s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
+				SSL_VERIFY_CLIENT_ONCE;
+			if (--argc < 1) goto bad;
+			verify_depth=atoi(*(++argv));
+			BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
+			}
+		else if	(strcmp(*argv,"-context") == 0)
+			{
+			if (--argc < 1) goto bad;
+			context= (unsigned char *)*(++argv);
+			}
+		else if	(strcmp(*argv,"-cert") == 0)
+			{
+			if (--argc < 1) goto bad;
+			s_cert_file= *(++argv);
+			}
+		else if	(strcmp(*argv,"-certform") == 0)
+			{
+			if (--argc < 1) goto bad;
+			s_cert_format = str2fmt(*(++argv));
+			}
+		else if	(strcmp(*argv,"-key") == 0)
+			{
+			if (--argc < 1) goto bad;
+			s_key_file= *(++argv);
+			}
+		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);
+			}
+		else if	(strcmp(*argv,"-dhparam") == 0)
+			{
+			if (--argc < 1) goto bad;
+			dhfile = *(++argv);
+			}
+#ifndef OPENSSL_NO_ECDH		
+		else if	(strcmp(*argv,"-named_curve") == 0)
+			{
+			if (--argc < 1) goto bad;
+			named_curve = *(++argv);
+			}
+#endif
+		else if	(strcmp(*argv,"-dcertform") == 0)
+			{
+			if (--argc < 1) goto bad;
+			s_dcert_format = str2fmt(*(++argv));
+			}
+		else if	(strcmp(*argv,"-dcert") == 0)
+			{
+			if (--argc < 1) goto bad;
+			s_dcert_file= *(++argv);
+			}
+		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);
+			}
+		else if	(strcmp(*argv,"-dkey") == 0)
+			{
+			if (--argc < 1) goto bad;
+			s_dkey_file= *(++argv);
+			}
+		else if (strcmp(*argv,"-nocert") == 0)
+			{
+			nocert=1;
+			}
+		else if	(strcmp(*argv,"-CApath") == 0)
+			{
+			if (--argc < 1) goto bad;
+			CApath= *(++argv);
+			}
+		else if (strcmp(*argv,"-crl_check") == 0)
+			{
+			vflags |= X509_V_FLAG_CRL_CHECK;
+			}
+		else if (strcmp(*argv,"-crl_check") == 0)
+			{
+			vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
+			}
+		else if	(strcmp(*argv,"-serverpref") == 0)
+			{ off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
+		else if	(strcmp(*argv,"-cipher") == 0)
+			{
+			if (--argc < 1) goto bad;
+			cipher= *(++argv);
+			}
+		else if	(strcmp(*argv,"-CAfile") == 0)
+			{
+			if (--argc < 1) goto bad;
+			CAfile= *(++argv);
+			}
+#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;
+			}
+		else if	(strcmp(*argv,"-debug") == 0)
+			{ s_debug=1; }
+		else if	(strcmp(*argv,"-msg") == 0)
+			{ s_msg=1; }
+		else if	(strcmp(*argv,"-hack") == 0)
+			{ hack=1; }
+		else if	(strcmp(*argv,"-state") == 0)
+			{ state=1; }
+		else if	(strcmp(*argv,"-crlf") == 0)
+			{ s_crlf=1; }
+		else if	(strcmp(*argv,"-quiet") == 0)
+			{ s_quiet=1; }
+		else if	(strcmp(*argv,"-bugs") == 0)
+			{ bugs=1; }
+		else if	(strcmp(*argv,"-no_tmp_rsa") == 0)
+			{ no_tmp_rsa=1; }
+		else if	(strcmp(*argv,"-no_dhe") == 0)
+			{ no_dhe=1; }
+		else if	(strcmp(*argv,"-no_ecdhe") == 0)
+			{ no_ecdhe=1; }
+		else if	(strcmp(*argv,"-www") == 0)
+			{ www=1; }
+		else if	(strcmp(*argv,"-WWW") == 0)
+			{ www=2; }
+		else if	(strcmp(*argv,"-HTTP") == 0)
+			{ www=3; }
+		else if	(strcmp(*argv,"-no_ssl2") == 0)
+			{ off|=SSL_OP_NO_SSLv2; }
+		else if	(strcmp(*argv,"-no_ssl3") == 0)
+			{ off|=SSL_OP_NO_SSLv3; }
+		else if	(strcmp(*argv,"-no_tls1") == 0)
+			{ off|=SSL_OP_NO_TLSv1; }
+#ifndef OPENSSL_NO_SSL2
+		else if	(strcmp(*argv,"-ssl2") == 0)
+			{ meth=SSLv2_server_method(); }
+#endif
+#ifndef OPENSSL_NO_SSL3
+		else if	(strcmp(*argv,"-ssl3") == 0)
+			{ meth=SSLv3_server_method(); }
+#endif
+#ifndef OPENSSL_NO_TLS1
+		else if	(strcmp(*argv,"-tls1") == 0)
+			{ meth=TLSv1_server_method(); }
+#endif
+#ifndef OPENSSL_NO_DTLS1
+		else if	(strcmp(*argv,"-dtls1") == 0)
+			{ 
+			meth=DTLSv1_server_method();
+			socket_type = SOCK_DGRAM;
+			}
+		else if (strcmp(*argv,"-timeout") == 0)
+			enable_timeouts = 1;
+		else if (strcmp(*argv,"-mtu") == 0)
+			{
+			if (--argc < 1) goto bad;
+			mtu = atol(*(++argv));
+			}
+		else if (strcmp(*argv, "-chain") == 0)
+			cert_chain = 1;
+#endif
+		else if (strcmp(*argv, "-id_prefix") == 0)
+			{
+			if (--argc < 1) goto bad;
+			session_id_prefix = *(++argv);
+			}
+#ifndef OPENSSL_NO_ENGINE
+		else if (strcmp(*argv,"-engine") == 0)
+			{
+			if (--argc < 1) goto bad;
+			engine_id= *(++argv);
+			}
+#endif
+		else if (strcmp(*argv,"-rand") == 0)
+			{
+			if (--argc < 1) goto bad;
+			inrand= *(++argv);
+			}
+		else
+			{
+			BIO_printf(bio_err,"unknown option %s\n",*argv);
+			badop=1;
+			break;
+			}
+		argc--;
+		argv++;
+		}
+	if (badop)
+		{
+bad:
+		sv_usage();
+		goto end;
+		}
+
+	SSL_load_error_strings();
+	OpenSSL_add_ssl_algorithms();
+
+#ifndef OPENSSL_NO_ENGINE
+        e = setup_engine(bio_err, engine_id, 1);
+#endif
+
+	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;
+
+	if (nocert == 0)
+		{
+		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;
+			}
+
+		s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
+			NULL, e, "server certificate file");
+
+		if (!s_cert)
+			{
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+
+		}
+	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;
+			}
+
+		}
+
+	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));
+
+	if (bio_s_out == NULL)
+		{
+		if (s_quiet && !s_debug && !s_msg)
+			{
+			bio_s_out=BIO_new(BIO_s_null());
+			}
+		else
+			{
+			if (bio_s_out == NULL)
+				bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
+			
+			}
+		}
+
+#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
+	if (nocert)
+#endif
+		{
+		s_cert_file=NULL;
+		s_key_file=NULL;
+		s_dcert_file=NULL;
+		s_dkey_file=NULL;
+		}
+
+	ctx=SSL_CTX_new(meth);
+	if (ctx == NULL)
+		{
+		ERR_print_errors(bio_err);
+		goto end;
+		}
+	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);
+		}
+	SSL_CTX_set_quiet_shutdown(ctx,1);
+	if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
+	if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
+	SSL_CTX_set_options(ctx,off);
+	/* 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(ctx, 1);
+
+	if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
+
+	SSL_CTX_sess_set_cache_size(ctx,128);
+
+#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)))
+		{
+		/* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
+		ERR_print_errors(bio_err);
+		/* goto end; */
+		}
+	store = SSL_CTX_get_cert_store(ctx);
+	X509_STORE_set_flags(store, vflags);
+
+#ifndef OPENSSL_NO_DH
+	if (!no_dhe)
+		{
+		DH *dh=NULL;
+
+		if (dhfile)
+			dh = load_dh_param(dhfile);
+		else if (s_cert_file)
+			dh = load_dh_param(s_cert_file);
+
+		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);
+
+		SSL_CTX_set_tmp_dh(ctx,dh);
+		DH_free(dh);
+		}
+#endif
+
+#ifndef OPENSSL_NO_ECDH
+	if (!no_ecdhe)
+		{
+		EC_KEY *ecdh=NULL;
+
+		if (named_curve)
+			{
+			int nid = OBJ_sn2nid(named_curve);
+
+			if (nid == 0)
+				{
+				BIO_printf(bio_err, "unknown curve name (%s)\n", 
+					named_curve);
+				goto end;
+				}
+			ecdh = EC_KEY_new_by_curve_name(nid);
+			if (ecdh == NULL)
+				{
+				BIO_printf(bio_err, "unable to create curve (%s)\n", 
+					named_curve);
+				goto end;
+				}
+			}
+
+		if (ecdh != NULL)
+			{
+			BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
+			}
+		else
+			{
+			BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
+			ecdh = EC_KEY_new_by_curve_name(NID_sect163r2);
+			if (ecdh == NULL) 
+				{
+				BIO_printf(bio_err, "unable to create curve (sect163r2)\n");
+				goto end;
+				}
+			}
+		(void)BIO_flush(bio_s_out);
+
+		SSL_CTX_set_tmp_ecdh(ctx,ecdh);
+
+		EC_KEY_free(ecdh);
+		}
+#endif
+	
+	if (!set_cert_key_stuff(ctx,s_cert,s_key))
+		goto end;
+
+	if (s_dcert != NULL)
+		{
+		if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
+			goto end;
+		}
+
+#ifndef OPENSSL_NO_RSA
+#if 1
+	if (!no_tmp_rsa)
+		{
+		SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
+
+		}
+#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;
+			}
+		RSA_free(rsa);
+		BIO_printf(bio_s_out,"\n");
+		}
+#endif
+#endif
+
+	if (cipher != NULL)
+		if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
+		BIO_printf(bio_err,"error setting cipher list\n");
+		ERR_print_errors(bio_err);
+		goto end;
+	}
+	SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
+	SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
+		sizeof s_server_session_id_context);
+
+	if (CAfile != NULL)
+		{
+		SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
+		}
+	BIO_printf(bio_s_out,"ACCEPT\n");
+	if (www)
+		do_server(port,socket_type,&accept_socket,www_body, context);
+	else
+		do_server(port,socket_type,&accept_socket,sv_body, context);
+	print_stats(bio_s_out,ctx);
+	ret=0;
+end:
+	if (ctx != NULL) SSL_CTX_free(ctx);
+	if (s_cert)
+		X509_free(s_cert);
+	if (s_dcert)
+		X509_free(s_dcert);
+	if (s_key)
+		EVP_PKEY_free(s_key);
+	if (s_dkey)
+		EVP_PKEY_free(s_dkey);
+	if (pass)
+		OPENSSL_free(pass);
+	if (dpass)
+		OPENSSL_free(dpass);
+	if (bio_s_out != NULL)
+		{
+        BIO_free(bio_s_out);
+		bio_s_out=NULL;
+		}
+	apps_shutdown();
+	OPENSSL_EXIT(ret);
+	}
+
+static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
+	{
+	BIO_printf(bio,"%4ld items in the session cache\n",
+		SSL_CTX_sess_number(ssl_ctx));
+	BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
+		SSL_CTX_sess_connect(ssl_ctx));
+	BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
+		SSL_CTX_sess_connect_renegotiate(ssl_ctx));
+	BIO_printf(bio,"%4ld client connects that finished\n",
+		SSL_CTX_sess_connect_good(ssl_ctx));
+	BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
+		SSL_CTX_sess_accept(ssl_ctx));
+	BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
+		SSL_CTX_sess_accept_renegotiate(ssl_ctx));
+	BIO_printf(bio,"%4ld server accepts that finished\n",
+		SSL_CTX_sess_accept_good(ssl_ctx));
+	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",
+		SSL_CTX_sess_cache_full(ssl_ctx),
+		SSL_CTX_sess_get_cache_size(ssl_ctx));
+	}
+
+static int sv_body(char *hostname, int s, unsigned char *context)
+	{
+	char *buf=NULL;
+	fd_set readfds;
+	int ret=1,width;
+	int k,i;
+	unsigned long l;
+	SSL *con=NULL;
+	BIO *sbio;
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
+	struct timeval tv;
+#endif
+
+	if ((buf=OPENSSL_malloc(bufsize)) == NULL)
+		{
+		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");
+		if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
+			ERR_print_errors(bio_err);
+		}
+#endif
+
+	if (con == NULL) {
+		con=SSL_new(ctx);
+#ifndef OPENSSL_NO_KRB5
+		if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
+                        {
+                        kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
+								KRB5SVC);
+                        kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
+								KRB5KEYTAB);
+                        }
+#endif	/* OPENSSL_NO_KRB5 */
+		if(context)
+		      SSL_set_session_id_context(con, context,
+						 strlen((char *)context));
+	}
+	SSL_clear(con);
+
+	if (SSL_version(con) == DTLS1_VERSION)
+		{
+		struct timeval timeout;
+
+		sbio=BIO_new_dgram(s,BIO_NOCLOSE);
+
+		if ( enable_timeouts)
+			{
+			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);
+			}
+
+		
+		if ( mtu > 0)
+			{
+			SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
+			SSL_set_mtu(con, mtu);
+			}
+		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);
+
+	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);
+	/* SSL_set_fd(con,s); */
+
+	if (s_debug)
+		{
+		con->debug=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)
+		{
+		SSL_set_msg_callback(con, msg_cb);
+		SSL_set_msg_callback_arg(con, bio_s_out);
+		}
+
+	width=s+1;
+	for (;;)
+		{
+		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);
+#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
+			FD_SET(fileno(stdin),&readfds);
+	
+#endif
+			FD_SET(s,&readfds);
+			/* 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 *).
+			 */
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
+                        /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
+			 * 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;
+#else
+			i=select(width,(void *)&readfds,NULL,NULL,NULL);
+			if (i <= 0) continue;
+			if (FD_ISSET(fileno(stdin),&readfds))
+			
+				read_from_terminal = 1;
+#endif
+			if (FD_ISSET(s,&readfds))
+				read_from_sslcon = 1;
+			}
+		if (read_from_terminal)
+			{
+			if (s_crlf)
+				{
+				int j, lf_num;
+				i=read(fileno(stdin), buf, bufsize/2);
+				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
+				i=read(fileno(stdin),buf,bufsize);
+				
+			if (!s_quiet)
+				{
+				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");
+					if (SSL_version(con) != DTLS1_VERSION)
+                        SHUTDOWN(s);
+	/*				close_accept_socket();
+					ret= -11;*/
+					goto err;
+					}
+				if ((buf[0] == 'r') && 
+					((buf[1] == '\n') || (buf[1] == '\r')))
+					{
+					SSL_renegotiate(con);
+					i=SSL_do_handshake(con);
+					printf("SSL_do_handshake -> %d\n",i);
+					
+					i=0; /*13; */
+					continue;
+					/* strcpy(buf,"server side RE-NEGOTIATE\n"); */
+					}
+				if ((buf[0] == 'R') &&
+					((buf[1] == '\n') || (buf[1] == '\r')))
+					{
+					SSL_set_verify(con,
+						SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
+					SSL_renegotiate(con);
+					i=SSL_do_handshake(con);
+					printf("SSL_do_handshake -> %d\n",i);
+				
+					i=0; /* 13; */
+					continue;
+					/* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
+					}
+				if (buf[0] == 'P')
+					{
+					static const char *str="Lets print some clear text\n";
+					BIO_write(SSL_get_wbio(con),str,strlen(str));
+					}
+				if (buf[0] == 'S')
+					{
+					print_stats(bio_s_out,SSL_get_SSL_CTX(con));
+					}
+				}
+#ifdef CHARSET_EBCDIC
+			ebcdic2ascii(buf,buf,i);
+#endif
+			l=k=0;
+			for (;;)
+				{
+				/* should do a select for the write */
+#ifdef RENEG
+{ static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
+#endif
+				k=SSL_write(con,&(buf[l]),(unsigned int)i);
+				switch (SSL_get_error(con,k))
+					{
+				case SSL_ERROR_NONE:
+					break;
+				case SSL_ERROR_WANT_WRITE:
+				case SSL_ERROR_WANT_READ:
+				case SSL_ERROR_WANT_X509_LOOKUP:
+					BIO_printf(bio_s_out,"Write BLOCK\n");
+					break;
+				case SSL_ERROR_SYSCALL:
+				case SSL_ERROR_SSL:
+					BIO_printf(bio_s_out,"ERROR\n");
+					ERR_print_errors(bio_err);
+					ret=1;
+					goto err;
+					/* break; */
+				case SSL_ERROR_ZERO_RETURN:
+					BIO_printf(bio_s_out,"DONE\n");
+					ret=1;
+					goto err;
+					}
+				l+=k;
+				i-=k;
+				if (i <= 0) break;
+				}
+			}
+		if (read_from_sslcon)
+			{
+			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
+				{
+again:	
+				i=SSL_read(con,(char *)buf,bufsize);
+				switch (SSL_get_error(con,i))
+					{
+				case SSL_ERROR_NONE:
+#ifdef CHARSET_EBCDIC
+					ascii2ebcdic(buf,buf,i);
+#endif
+					write(fileno(stdout),buf,
+						(unsigned int)i);
+		
+					if (SSL_pending(con)) goto again;
+					break;
+				case SSL_ERROR_WANT_WRITE:
+				case SSL_ERROR_WANT_READ:
+				case SSL_ERROR_WANT_X509_LOOKUP:
+					BIO_printf(bio_s_out,"Read BLOCK\n");
+					break;
+				case SSL_ERROR_SYSCALL:
+				case SSL_ERROR_SSL:
+					BIO_printf(bio_s_out,"ERROR\n");
+					ERR_print_errors(bio_err);
+					ret=1;
+					goto err;
+				case SSL_ERROR_ZERO_RETURN:
+					BIO_printf(bio_s_out,"DONE\n");
+					ret=1;
+					goto err;
+					}
+				}
+			}
+		}
+err:
+	BIO_printf(bio_s_out,"shutting down SSL\n");
+#if 1
+	SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
+#else
+	SSL_shutdown(con);
+#endif
+	if (con != NULL) SSL_free(con);
+	BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
+	if (buf != NULL)
+		{
+		OPENSSL_cleanse(buf,bufsize);
+		OPENSSL_free(buf);
+		}
+	if (ret >= 0)
+		BIO_printf(bio_s_out,"ACCEPT\n");
+	return(ret);
+	}
+
+static void close_accept_socket(void)
+	{
+	BIO_printf(bio_err,"shutdown accept socket\n");
+	if (accept_socket >= 0)
+		{
+		SHUTDOWN2(accept_socket);
+		}
+	}
+
+static int init_ssl_connection(SSL *con)
+	{
+	int i;
+	const char *str;
+	X509 *peer;
+	long verify_error;
+	MS_STATIC char buf[BUFSIZ];
+
+	if ((i=SSL_accept(con)) <= 0)
+		{
+		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));
+			}
+		else
+			ERR_print_errors(bio_err);
+		return(0);
+		}
+
+	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);
+		X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
+		BIO_printf(bio_s_out,"subject=%s\n",buf);
+		X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
+		BIO_printf(bio_s_out,"issuer=%s\n",buf);
+		X509_free(peer);
+		}
+
+	if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
+		BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
+	str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
+	BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
+	if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
+	if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
+		TLS1_FLAGS_TLS_PADDING_BUG)
+		BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
+#ifndef OPENSSL_NO_KRB5
+	if (con->kssl_ctx->client_princ != NULL)
+		{
+		BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
+			con->kssl_ctx->client_princ);
+		}
+#endif /* OPENSSL_NO_KRB5 */
+	return(1);
+	}
+
+#ifndef OPENSSL_NO_DH
+static DH *load_dh_param(const char *dhfile)
+	{
+	DH *ret=NULL;
+	BIO *bio;
+
+	if ((bio=BIO_new_file(dhfile,"r")) == NULL)
+		goto err;
+	ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
+err:
+	if (bio != NULL) BIO_free(bio);
+	return(ret);
+	}
+#endif
+
+#if 0
+static int load_CA(SSL_CTX *ctx, char *file)
+	{
+	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
+
+static int www_body(char *hostname, int s, unsigned char *context)
+	{
+	char *buf=NULL;
+	int ret=1;
+	int i,j,k,blank,dot;
+	struct stat st_buf;
+	SSL *con;
+	SSL_CIPHER *c;
+	BIO *io,*ssl_bio,*sbio;
+	long total_bytes;
+
+	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;
+
+#ifdef FIONBIO	
+	if (s_nbio)
+		{
+		unsigned long sl=1;
+
+		if (!s_quiet)
+			BIO_printf(bio_err,"turning on non blocking io\n");
+		if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
+			ERR_print_errors(bio_err);
+		}
+#endif
+
+	/* 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_KRB5
+	if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
+		{
+		kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
+		kssl_ctx_setstring(con->kssl_ctx, 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);
+	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);
+
+	/* SSL_set_fd(con,s); */
+	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)
+		{
+		con->debug=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)
+		{
+		SSL_set_msg_callback(con, msg_cb);
+		SSL_set_msg_callback_arg(con, bio_s_out);
+		}
+
+	blank=0;
+	for (;;)
+		{
+		if (hack)
+			{
+			i=SSL_accept(con);
+
+			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;
+				/* break; */
+				}
+
+			SSL_renegotiate(con);
+			SSL_write(con,NULL,0);
+			}
+
+		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;
+			goto end;
+			}
+
+		/* else we have data */
+		if (	((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
+			((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
+			{
+			char *p;
+			X509 *peer;
+			STACK_OF(SSL_CIPHER) *sk;
+			static const char *space="                          ";
+
+			BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
+			BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
+			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");
+
+			/* 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);
+			j=sk_SSL_CIPHER_num(sk);
+			for (i=0; i<j; i++)
+				{
+				c=sk_SSL_CIPHER_value(sk,i);
+				BIO_printf(io,"%-11s:%-25s",
+					SSL_CIPHER_get_version(c),
+					SSL_CIPHER_get_name(c));
+				if ((((i+1)%2) == 0) && (i+1 != j))
+					BIO_puts(io,"\n");
+				}
+			BIO_puts(io,"\n");
+			p=SSL_get_shared_ciphers(con,buf,bufsize);
+			if (p != NULL)
+				{
+				BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
+				j=i=0;
+				while (*p)
+					{
+					if (*p == ':')
+						{
+						BIO_write(io,space,26-j);
+						i++;
+						j=0;
+						BIO_write(io,((i%3)?" ":"\n"),1);
+						}
+					else
+						{
+						BIO_write(io,p,1);
+						j++;
+						}
+					p++;
+					}
+				BIO_puts(io,"\n");
+				}
+			BIO_printf(io,((con->hit)
+				?"---\nReused, "
+				:"---\nNew, "));
+			c=SSL_get_current_cipher(con);
+			BIO_printf(io,"%s, Cipher is %s\n",
+				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");
+			BIO_puts(io,"</BODY></HTML>\r\n\r\n");
+			break;
+			}
+		else if ((www == 2 || www == 3)
+                         && (strncmp("GET /",buf,5) == 0))
+			{
+			BIO *file;
+			char *p,*e;
+			static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
+
+			/* skip the '/' */
+			p= &(buf[5]);
+
+			dot = 1;
+			for (e=p; *e != '\0'; e++)
+				{
+				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;
+					}
+				if (dot == 0)
+					dot = (e[0] == '/') ? 1 : 0;
+				}
+			dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
+
+			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;
+				}
+
+#if 0
+			/* append if a directory lookup */
+			if (e[-1] == '/')
+				strcat(p,"index.html");
+#endif
+
+			/* if a directory, do the index thang */
+			if (stat(p,&st_buf) < 0)
+				{
+				BIO_puts(io,text);
+				BIO_printf(io,"Error accessing '%s'\r\n",p);
+				ERR_print_errors(io);
+				break;
+				}
+			if (S_ISDIR(st_buf.st_mode))
+				{
+#if 0 /* must check buffer size */
+				strcat(p,"/index.html");
+#else
+				BIO_puts(io,text);
+				BIO_printf(io,"'%s' is a directory\r\n",p);
+				break;
+#endif
+				}
+
+			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);
+
+                        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");
+                                }
+			/* send the file */
+			total_bytes=0;
+			for (;;)
+				{
+				i=BIO_read(file,buf,bufsize);
+				if (i <= 0) break;
+
+#ifdef RENEG
+				total_bytes+=i;
+				fprintf(stderr,"%d\n",i);
+				if (total_bytes > 3*1024)
+					{
+					total_bytes=0;
+					fprintf(stderr,"RENEGOTIATE\n");
+					SSL_renegotiate(con);
+					}
+		
+#endif
+
+				for (j=0; j<i; )
+					{
+#ifdef RENEG
+{ static count=0; if (++count == 13) { SSL_renegotiate(con); } }
+#endif
+					k=BIO_write(io,&(buf[j]),i-j);
+					if (k <= 0)
+						{
+						if (!BIO_should_retry(io))
+							goto write_error;
+						else
+							{
+							BIO_printf(bio_s_out,"rwrite W BLOCK\n");
+							}
+						}
+					else
+						{
+						j+=k;
+						}
+					}
+				}
+write_error:
+			BIO_free(file);
+			break;
+			}
+		}
+
+	for (;;)
+		{
+		i=(int)BIO_flush(io);
+		if (i <= 0)
+			{
+			if (!BIO_should_retry(io))
+				break;
+			}
+		else
+			break;
+		}
+end:
+#if 1
+	/* make sure we re-use sessions */
+	SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
+#else
+	/* This kills performance */
+/*	SSL_shutdown(con); A shutdown gets sent in the
+ *	BIO_free_all(io) procession */
+#endif
+
+err:
+
+	if (ret >= 0)
+		BIO_printf(bio_s_out,"ACCEPT\n");
+
+	if (buf != NULL) OPENSSL_free(buf);
+	if (io != NULL) BIO_free_all(io);
+/*	if (ssl_bio != NULL) BIO_free(ssl_bio);*/
+	return(ret);
+	}
+
+#ifndef OPENSSL_NO_RSA
+static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
+	{
+	BIGNUM *bn = NULL;
+	static RSA *rsa_tmp=NULL;
+
+	if (!rsa_tmp && ((bn = BN_new()) == NULL))
+		BIO_printf(bio_err,"Allocation error in generating RSA key\n");
+	if (!rsa_tmp && bn)
+		{
+		if (!s_quiet)
+			{
+			BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
+			(void)BIO_flush(bio_err);
+			}
+		if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
+				!RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
+			{
+			if(rsa_tmp) RSA_free(rsa_tmp);
+			rsa_tmp = NULL;
+			}
+		if (!s_quiet)
+			{
+			BIO_printf(bio_err,"\n");
+			(void)BIO_flush(bio_err);
+			}
+		BN_free(bn);
+		}
+	return(rsa_tmp);
+	}
+#endif
+
+#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);
+		}
+	while(SSL_has_matching_session_id(ssl, id, *id_len) &&
+		(++count < MAX_SESSION_ID_ATTEMPTS));
+	if(count >= MAX_SESSION_ID_ATTEMPTS)
+		return 0;
+	return 1;
+	}