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openssl/apps/s_client.c.orig

Index: openssl/apps/s_client.c.orig
===================================================================
--- openssl/apps/s_client.c.orig	(revision 0)
+++ openssl/apps/s_client.c.orig	(revision 0)
@@ -0,0 +1,1781 @@
+/* apps/s_client.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) 1998-2006 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 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.
+ */
+
+#include <assert.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <openssl/e_os2.h>
+#ifdef OPENSSL_NO_STDIO
+#define APPS_WIN16
+#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
+
+#define USE_SOCKETS
+#include "apps.h"
+#include <openssl/x509.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/pem.h>
+#include <openssl/rand.h>
+#include <openssl/ocsp.h>
+#include <openssl/bn.h>
+#include "s_apps.h"
+#include "timeouts.h"
+
+#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
+
+#if defined(OPENSSL_SYS_BEOS_R5)
+#include <fcntl.h>
+#endif
+
+#undef PROG
+#define PROG	s_client_main
+
+/*#define SSL_HOST_NAME	"www.netscape.com" */
+/*#define SSL_HOST_NAME	"193.118.187.102" */
+#define SSL_HOST_NAME	"localhost"
+
+/*#define TEST_CERT "client.pem" */ /* no default cert. */
+
+#undef BUFSIZZ
+#define BUFSIZZ 1024*8
+
+extern int verify_depth;
+extern int verify_error;
+extern int verify_return_error;
+
+#ifdef FIONBIO
+static int c_nbio=0;
+#endif
+static int c_Pause=0;
+static int c_debug=0;
+#ifndef OPENSSL_NO_TLSEXT
+static int c_tlsextdebug=0;
+static int c_status_req=0;
+#endif
+static int c_msg=0;
+static int c_showcerts=0;
+
+static void sc_usage(void);
+static void print_stuff(BIO *berr,SSL *con,int full);
+#ifndef OPENSSL_NO_TLSEXT
+static int ocsp_resp_cb(SSL *s, void *arg);
+#endif
+static BIO *bio_c_out=NULL;
+static int c_quiet=0;
+static int c_ign_eof=0;
+
+#ifndef OPENSSL_NO_PSK
+/* Default PSK identity and key */
+static char *psk_identity="Client_identity";
+/*char *psk_key=NULL;  by default PSK is not used */
+
+static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
+	unsigned int max_identity_len, unsigned char *psk,
+	unsigned int max_psk_len)
+	{
+	unsigned int psk_len = 0;
+	int ret;
+        BIGNUM *bn=NULL;
+
+	if (c_debug)
+		BIO_printf(bio_c_out, "psk_client_cb\n");
+	if (!hint)
+                {
+                /* no ServerKeyExchange message*/
+		if (c_debug)
+			BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
+                }
+        else if (c_debug)
+		BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
+
+	/* lookup PSK identity and PSK key based on the given identity hint here */
+	ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
+	if (ret < 0 || (unsigned int)ret > max_identity_len)
+		goto out_err;
+	if (c_debug)
+		BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
+        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 ((unsigned int)BN_num_bytes(bn) > 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;
+                }
+
+        psk_len=BN_bn2bin(bn, psk);
+        BN_free(bn);
+        if (psk_len == 0)
+                goto out_err;
+
+	if (c_debug)
+		BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
+
+        return psk_len;
+ out_err:
+	if (c_debug)
+		BIO_printf(bio_err, "Error in PSK client callback\n");
+        return 0;
+	}
+#endif
+
+static void sc_usage(void)
+	{
+	BIO_printf(bio_err,"usage: s_client args\n");
+	BIO_printf(bio_err,"\n");
+	BIO_printf(bio_err," -host host     - use -connect instead\n");
+	BIO_printf(bio_err," -port port     - use -connect instead\n");
+	BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
+
+	BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
+	BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
+	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 but cert file is.\n");
+	BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
+	BIO_printf(bio_err," -pass arg     - private key file pass phrase source\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," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
+	BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
+	BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
+	BIO_printf(bio_err," -debug        - extra output\n");
+#ifdef WATT32
+	BIO_printf(bio_err," -wdebug       - WATT-32 tcp debugging\n");
+#endif
+	BIO_printf(bio_err," -msg          - Show protocol messages\n");
+	BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
+	BIO_printf(bio_err," -state        - print the 'ssl' states\n");
+#ifdef FIONBIO
+	BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
+#endif
+	BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
+	BIO_printf(bio_err," -quiet        - no s_client output\n");
+	BIO_printf(bio_err," -ign_eof      - ignore input eof (default when -quiet)\n");
+	BIO_printf(bio_err," -no_ign_eof   - don't ignore input eof\n");
+#ifndef OPENSSL_NO_PSK
+	BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
+	BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
+# ifndef OPENSSL_NO_JPAKE
+	BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
+# endif
+#endif
+	BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
+	BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
+	BIO_printf(bio_err," -tls1         - just use TLSv1\n");
+	BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");    
+	BIO_printf(bio_err," -mtu          - set the link layer MTU\n");
+	BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
+	BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
+	BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");
+	BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
+	BIO_printf(bio_err,"                 command to see what is available\n");
+	BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
+	BIO_printf(bio_err,"                 for those protocols that support it, where\n");
+	BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
+	BIO_printf(bio_err,"                 only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
+	BIO_printf(bio_err,"                 are supported.\n");
+#ifndef OPENSSL_NO_ENGINE
+	BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
+#endif
+	BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
+	BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
+	BIO_printf(bio_err," -sess_in arg  - file to read SSL session from\n");
+#ifndef OPENSSL_NO_TLSEXT
+	BIO_printf(bio_err," -servername host  - Set TLS extension servername in ClientHello\n");
+	BIO_printf(bio_err," -tlsextdebug      - hex dump of all TLS extensions received\n");
+	BIO_printf(bio_err," -status           - request certificate status from server\n");
+	BIO_printf(bio_err," -no_ticket        - disable use of RFC4507bis session tickets\n");
+#endif
+	BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
+	}
+
+#ifndef OPENSSL_NO_TLSEXT
+
+/* This is a context that we pass to callbacks */
+typedef struct tlsextctx_st {
+   BIO * biodebug;
+   int ack;
+} tlsextctx;
+
+
+static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
+	{
+	tlsextctx * p = (tlsextctx *) arg;
+	const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
+	if (SSL_get_servername_type(s) != -1) 
+ 	        p->ack = !SSL_session_reused(s) && hn != NULL;
+	else 
+		BIO_printf(bio_err,"Can't use SSL_get_servername\n");
+	
+	return SSL_TLSEXT_ERR_OK;
+	}
+#endif
+
+enum
+{
+	PROTO_OFF	= 0,
+	PROTO_SMTP,
+	PROTO_POP3,
+	PROTO_IMAP,
+	PROTO_FTP,
+	PROTO_XMPP
+};
+
+int MAIN(int, char **);
+
+int MAIN(int argc, char **argv)
+	{
+	unsigned int off=0, clr=0;
+	SSL *con=NULL;
+	int s,k,width,state=0;
+	char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
+	int cbuf_len,cbuf_off;
+	int sbuf_len,sbuf_off;
+	fd_set readfds,writefds;
+	short port=PORT;
+	int full_log=1;
+	char *host=SSL_HOST_NAME;
+	char *cert_file=NULL,*key_file=NULL;
+	int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
+	char *passarg = NULL, *pass = NULL;
+	X509 *cert = NULL;
+	EVP_PKEY *key = NULL;
+	char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
+	int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
+	int crlf=0;
+	int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
+	SSL_CTX *ctx=NULL;
+	int ret=1,in_init=1,i,nbio_test=0;
+	int starttls_proto = PROTO_OFF;
+	int prexit = 0;
+	X509_VERIFY_PARAM *vpm = NULL;
+	int badarg = 0;
+	const SSL_METHOD *meth=NULL;
+	int socket_type=SOCK_STREAM;
+	BIO *sbio;
+	char *inrand=NULL;
+	int mbuf_len=0;
+	struct timeval timeout, *timeoutp;
+#ifndef OPENSSL_NO_ENGINE
+	char *engine_id=NULL;
+	char *ssl_client_engine_id=NULL;
+	ENGINE *ssl_client_engine=NULL;
+#endif
+	ENGINE *e=NULL;
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
+	struct timeval tv;
+#if defined(OPENSSL_SYS_BEOS_R5)
+	int stdin_set = 0;
+#endif
+#endif
+#ifndef OPENSSL_NO_TLSEXT
+	char *servername = NULL; 
+        tlsextctx tlsextcbp = 
+        {NULL,0};
+#endif
+	char *sess_in = NULL;
+	char *sess_out = NULL;
+	struct sockaddr peer;
+	int peerlen = sizeof(peer);
+	int enable_timeouts = 0 ;
+	long socket_mtu = 0;
+#ifndef OPENSSL_NO_JPAKE
+	char *jpake_secret = NULL;
+#endif
+
+#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
+	meth=SSLv23_client_method();
+#elif !defined(OPENSSL_NO_SSL3)
+	meth=SSLv3_client_method();
+#elif !defined(OPENSSL_NO_SSL2)
+	meth=SSLv2_client_method();
+#endif
+
+	apps_startup();
+	c_Pause=0;
+	c_quiet=0;
+	c_ign_eof=0;
+	c_debug=0;
+	c_msg=0;
+	c_showcerts=0;
+
+	if (bio_err == NULL)
+		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
+
+	if (!load_config(bio_err, NULL))
+		goto end;
+
+	if (	((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
+		((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
+		((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
+		{
+		BIO_printf(bio_err,"out of memory\n");
+		goto end;
+		}
+
+	verify_depth=0;
+	verify_error=X509_V_OK;
+#ifdef FIONBIO
+	c_nbio=0;
+#endif
+
+	argc--;
+	argv++;
+	while (argc >= 1)
+		{
+		if	(strcmp(*argv,"-host") == 0)
+			{
+			if (--argc < 1) goto bad;
+			host= *(++argv);
+			}
+		else if	(strcmp(*argv,"-port") == 0)
+			{
+			if (--argc < 1) goto bad;
+			port=atoi(*(++argv));
+			if (port == 0) goto bad;
+			}
+		else if (strcmp(*argv,"-connect") == 0)
+			{
+			if (--argc < 1) goto bad;
+			if (!extract_host_port(*(++argv),&host,NULL,&port))
+				goto bad;
+			}
+		else if	(strcmp(*argv,"-verify") == 0)
+			{
+			verify=SSL_VERIFY_PEER;
+			if (--argc < 1) goto bad;
+			verify_depth=atoi(*(++argv));
+			BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
+			}
+		else if	(strcmp(*argv,"-cert") == 0)
+			{
+			if (--argc < 1) goto bad;
+			cert_file= *(++argv);
+			}
+		else if	(strcmp(*argv,"-sess_out") == 0)
+			{
+			if (--argc < 1) goto bad;
+			sess_out = *(++argv);
+			}
+		else if	(strcmp(*argv,"-sess_in") == 0)
+			{
+			if (--argc < 1) goto bad;
+			sess_in = *(++argv);
+			}
+		else if	(strcmp(*argv,"-certform") == 0)
+			{
+			if (--argc < 1) goto bad;
+			cert_format = str2fmt(*(++argv));
+			}
+		else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
+			{
+			if (badarg)
+				goto bad;
+			continue;
+			}
+		else if (strcmp(*argv,"-verify_return_error") == 0)
+			verify_return_error = 1;
+		else if	(strcmp(*argv,"-prexit") == 0)
+			prexit=1;
+		else if	(strcmp(*argv,"-crlf") == 0)
+			crlf=1;
+		else if	(strcmp(*argv,"-quiet") == 0)
+			{
+			c_quiet=1;
+			c_ign_eof=1;
+			}
+		else if	(strcmp(*argv,"-ign_eof") == 0)
+			c_ign_eof=1;
+		else if	(strcmp(*argv,"-no_ign_eof") == 0)
+			c_ign_eof=0;
+		else if	(strcmp(*argv,"-pause") == 0)
+			c_Pause=1;
+		else if	(strcmp(*argv,"-debug") == 0)
+			c_debug=1;
+#ifndef OPENSSL_NO_TLSEXT
+		else if	(strcmp(*argv,"-tlsextdebug") == 0)
+			c_tlsextdebug=1;
+		else if	(strcmp(*argv,"-status") == 0)
+			c_status_req=1;
+#endif
+#ifdef WATT32
+		else if (strcmp(*argv,"-wdebug") == 0)
+			dbug_init();
+#endif
+		else if	(strcmp(*argv,"-msg") == 0)
+			c_msg=1;
+		else if	(strcmp(*argv,"-showcerts") == 0)
+			c_showcerts=1;
+		else if	(strcmp(*argv,"-nbio_test") == 0)
+			nbio_test=1;
+		else if	(strcmp(*argv,"-state") == 0)
+			state=1;
+#ifndef OPENSSL_NO_PSK
+                else if (strcmp(*argv,"-psk_identity") == 0)
+			{
+			if (--argc < 1) goto bad;
+			psk_identity=*(++argv);
+			}
+                else if (strcmp(*argv,"-psk") == 0)
+			{
+                        size_t j;
+
+			if (--argc < 1) goto bad;
+			psk_key=*(++argv);
+			for (j = 0; j < strlen(psk_key); j++)
+                                {
+                                if (isxdigit((int)psk_key[j]))
+                                        continue;
+                                BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
+                                goto bad;
+                                }
+			}
+#endif
+#ifndef OPENSSL_NO_SSL2
+		else if	(strcmp(*argv,"-ssl2") == 0)
+			meth=SSLv2_client_method();
+#endif
+#ifndef OPENSSL_NO_SSL3
+		else if	(strcmp(*argv,"-ssl3") == 0)
+			meth=SSLv3_client_method();
+#endif
+#ifndef OPENSSL_NO_TLS1
+		else if	(strcmp(*argv,"-tls1") == 0)
+			meth=TLSv1_client_method();
+#endif
+#ifndef OPENSSL_NO_DTLS1
+		else if	(strcmp(*argv,"-dtls1") == 0)
+			{
+			meth=DTLSv1_client_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;
+			socket_mtu = atol(*(++argv));
+			}
+#endif
+		else if (strcmp(*argv,"-bugs") == 0)
+			bugs=1;
+		else if	(strcmp(*argv,"-keyform") == 0)
+			{
+			if (--argc < 1) goto bad;
+			key_format = str2fmt(*(++argv));
+			}
+		else if	(strcmp(*argv,"-pass") == 0)
+			{
+			if (--argc < 1) goto bad;
+			passarg = *(++argv);
+			}
+		else if	(strcmp(*argv,"-key") == 0)
+			{
+			if (--argc < 1) goto bad;
+			key_file= *(++argv);
+			}
+		else if	(strcmp(*argv,"-reconnect") == 0)
+			{
+			reconnect=5;
+			}
+		else if	(strcmp(*argv,"-CApath") == 0)
+			{
+			if (--argc < 1) goto bad;
+			CApath= *(++argv);
+			}
+		else if	(strcmp(*argv,"-CAfile") == 0)
+			{
+			if (--argc < 1) goto bad;
+			CAfile= *(++argv);
+			}
+		else if (strcmp(*argv,"-no_tls1") == 0)
+			off|=SSL_OP_NO_TLSv1;
+		else if (strcmp(*argv,"-no_ssl3") == 0)
+			off|=SSL_OP_NO_SSLv3;
+		else if (strcmp(*argv,"-no_ssl2") == 0)
+			off|=SSL_OP_NO_SSLv2;
+		else if	(strcmp(*argv,"-no_comp") == 0)
+			{ off|=SSL_OP_NO_COMPRESSION; }
+#ifndef OPENSSL_NO_TLSEXT
+		else if	(strcmp(*argv,"-no_ticket") == 0)
+			{ off|=SSL_OP_NO_TICKET; }
+#endif
+		else if (strcmp(*argv,"-serverpref") == 0)
+			off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
+		else if (strcmp(*argv,"-legacy_renegotiation") == 0)
+			off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
+		else if	(strcmp(*argv,"-legacy_server_connect") == 0)
+			{ off|=SSL_OP_LEGACY_SERVER_CONNECT; }
+		else if	(strcmp(*argv,"-no_legacy_server_connect") == 0)
+			{ clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
+		else if	(strcmp(*argv,"-cipher") == 0)
+			{
+			if (--argc < 1) goto bad;
+			cipher= *(++argv);
+			}
+#ifdef FIONBIO
+		else if (strcmp(*argv,"-nbio") == 0)
+			{ c_nbio=1; }
+#endif
+		else if	(strcmp(*argv,"-starttls") == 0)
+			{
+			if (--argc < 1) goto bad;
+			++argv;
+			if (strcmp(*argv,"smtp") == 0)
+				starttls_proto = PROTO_SMTP;
+			else if (strcmp(*argv,"pop3") == 0)
+				starttls_proto = PROTO_POP3;
+			else if (strcmp(*argv,"imap") == 0)
+				starttls_proto = PROTO_IMAP;
+			else if (strcmp(*argv,"ftp") == 0)
+				starttls_proto = PROTO_FTP;
+			else if (strcmp(*argv, "xmpp") == 0)
+				starttls_proto = PROTO_XMPP;
+			else
+				goto bad;
+			}
+#ifndef OPENSSL_NO_ENGINE
+		else if	(strcmp(*argv,"-engine") == 0)
+			{
+			if (--argc < 1) goto bad;
+			engine_id = *(++argv);
+			}
+		else if	(strcmp(*argv,"-ssl_client_engine") == 0)
+			{
+			if (--argc < 1) goto bad;
+			ssl_client_engine_id = *(++argv);
+			}
+#endif
+		else if (strcmp(*argv,"-rand") == 0)
+			{
+			if (--argc < 1) goto bad;
+			inrand= *(++argv);
+			}
+#ifndef OPENSSL_NO_TLSEXT
+		else if (strcmp(*argv,"-servername") == 0)
+			{
+			if (--argc < 1) goto bad;
+			servername= *(++argv);
+			/* meth=TLSv1_client_method(); */
+			}
+#endif
+#ifndef OPENSSL_NO_JPAKE
+		else if (strcmp(*argv,"-jpake") == 0)
+			{
+			if (--argc < 1) goto bad;
+			jpake_secret = *++argv;
+			}
+#endif
+		else
+			{
+			BIO_printf(bio_err,"unknown option %s\n",*argv);
+			badop=1;
+			break;
+			}
+		argc--;
+		argv++;
+		}
+	if (badop)
+		{
+bad:
+		sc_usage();
+		goto end;
+		}
+
+#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
+	if (jpake_secret)
+		{
+		if (psk_key)
+			{
+			BIO_printf(bio_err,
+				   "Can't use JPAKE and PSK together\n");
+			goto end;
+			}
+		psk_identity = "JPAKE";
+		}
+
+	if (cipher)
+		{
+		BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
+		goto end;
+		}
+	cipher = "PSK";
+#endif
+
+	OpenSSL_add_ssl_algorithms();
+	SSL_load_error_strings();
+
+#ifndef OPENSSL_NO_ENGINE
+        e = setup_engine(bio_err, engine_id, 1);
+	if (ssl_client_engine_id)
+		{
+		ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
+		if (!ssl_client_engine)
+			{
+			BIO_printf(bio_err,
+					"Error getting client auth engine\n");
+			goto end;
+			}
+		}
+
+#endif
+	if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
+		{
+		BIO_printf(bio_err, "Error getting password\n");
+		goto end;
+		}
+
+	if (key_file == NULL)
+		key_file = cert_file;
+
+
+	if (key_file)
+
+		{
+
+		key = load_key(bio_err, key_file, key_format, 0, pass, e,
+			       "client certificate private key file");
+		if (!key)
+			{
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+
+		}
+
+	if (cert_file)
+
+		{
+		cert = load_cert(bio_err,cert_file,cert_format,
+				NULL, e, "client certificate file");
+
+		if (!cert)
+			{
+			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_c_out == NULL)
+		{
+		if (c_quiet && !c_debug && !c_msg)
+			{
+			bio_c_out=BIO_new(BIO_s_null());
+			}
+		else
+			{
+			if (bio_c_out == NULL)
+				bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
+			}
+		}
+
+	ctx=SSL_CTX_new(meth);
+	if (ctx == NULL)
+		{
+		ERR_print_errors(bio_err);
+		goto end;
+		}
+
+	if (vpm)
+		SSL_CTX_set1_param(ctx, vpm);
+
+#ifndef OPENSSL_NO_ENGINE
+	if (ssl_client_engine)
+		{
+		if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
+			{
+			BIO_puts(bio_err, "Error setting client auth engine\n");
+			ERR_print_errors(bio_err);
+			ENGINE_free(ssl_client_engine);
+			goto end;
+			}
+		ENGINE_free(ssl_client_engine);
+		}
+#endif
+
+#ifndef OPENSSL_NO_PSK
+#ifdef OPENSSL_NO_JPAKE
+	if (psk_key != NULL)
+#else
+	if (psk_key != NULL || jpake_secret)
+#endif
+		{
+		if (c_debug)
+			BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
+		SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
+		}
+#endif
+	if (bugs)
+		SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
+	else
+		SSL_CTX_set_options(ctx,off);
+
+	if (clr)
+		SSL_CTX_clear_options(ctx, clr);
+	/* 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);
+	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;
+	}
+#if 0
+	else
+		SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
+#endif
+
+	SSL_CTX_set_verify(ctx,verify,verify_callback);
+	if (!set_cert_key_stuff(ctx,cert,key))
+		goto end;
+
+	if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
+		(!SSL_CTX_set_default_verify_paths(ctx)))
+		{
+		/* BIO_printf(bio_err,"error setting default verify locations\n"); */
+		ERR_print_errors(bio_err);
+		/* goto end; */
+		}
+
+#ifndef OPENSSL_NO_TLSEXT
+	if (servername != NULL)
+		{
+		tlsextcbp.biodebug = bio_err;
+		SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
+		SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
+		}
+#endif
+
+	con=SSL_new(ctx);
+	if (sess_in)
+		{
+		SSL_SESSION *sess;
+		BIO *stmp = BIO_new_file(sess_in, "r");
+		if (!stmp)
+			{
+			BIO_printf(bio_err, "Can't open session file %s\n",
+						sess_in);
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+		sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
+		BIO_free(stmp);
+		if (!sess)
+			{
+			BIO_printf(bio_err, "Can't open session file %s\n",
+						sess_in);
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+		SSL_set_session(con, sess);
+		SSL_SESSION_free(sess);
+		}
+#ifndef OPENSSL_NO_TLSEXT
+	if (servername != NULL)
+		{
+		if (!SSL_set_tlsext_host_name(con,servername))
+			{
+			BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+		}
+#endif
+#ifndef OPENSSL_NO_KRB5
+	if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
+                {
+                kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
+		}
+#endif	/* OPENSSL_NO_KRB5  */
+/*	SSL_set_cipher_list(con,"RC4-MD5"); */
+#if 0
+#ifdef TLSEXT_TYPE_opaque_prf_input
+	SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
+#endif
+#endif
+
+re_start:
+
+	if (init_client(&s,host,port,socket_type) == 0)
+		{
+		BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
+		SHUTDOWN(s);
+		goto end;
+		}
+	BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
+
+#ifdef FIONBIO
+	if (c_nbio)
+		{
+		unsigned long l=1;
+		BIO_printf(bio_c_out,"turning on non blocking io\n");
+		if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
+			{
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+		}
+#endif                                              
+	if (c_Pause & 0x01) con->debug=1;
+
+	if ( SSL_version(con) == DTLS1_VERSION)
+		{
+
+		sbio=BIO_new_dgram(s,BIO_NOCLOSE);
+		if (getsockname(s, &peer, (void *)&peerlen) < 0)
+			{
+			BIO_printf(bio_err, "getsockname:errno=%d\n",
+				get_last_socket_error());
+			SHUTDOWN(s);
+			goto end;
+			}
+
+		(void)BIO_ctrl_set_connected(sbio, 1, &peer);
+
+		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 (socket_mtu > 28)
+			{
+			SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
+			SSL_set_mtu(con, socket_mtu - 28);
+			}
+		else
+			/* want to do MTU discovery */
+			BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
+		}
+	else
+		sbio=BIO_new_socket(s,BIO_NOCLOSE);
+
+	if (nbio_test)
+		{
+		BIO *test;
+
+		test=BIO_new(BIO_f_nbio_test());
+		sbio=BIO_push(test,sbio);
+		}
+
+	if (c_debug)
+		{
+		con->debug=1;
+		BIO_set_callback(sbio,bio_dump_callback);
+		BIO_set_callback_arg(sbio,(char *)bio_c_out);
+		}
+	if (c_msg)
+		{
+		SSL_set_msg_callback(con, msg_cb);
+		SSL_set_msg_callback_arg(con, bio_c_out);
+		}
+#ifndef OPENSSL_NO_TLSEXT
+	if (c_tlsextdebug)
+		{
+		SSL_set_tlsext_debug_callback(con, tlsext_cb);
+		SSL_set_tlsext_debug_arg(con, bio_c_out);
+		}
+	if (c_status_req)
+		{
+		SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
+		SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
+		SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
+#if 0
+{
+STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
+OCSP_RESPID *id = OCSP_RESPID_new();
+id->value.byKey = ASN1_OCTET_STRING_new();
+id->type = V_OCSP_RESPID_KEY;
+ASN1_STRING_set(id->value.byKey, "Hello World", -1);
+sk_OCSP_RESPID_push(ids, id);
+SSL_set_tlsext_status_ids(con, ids);
+}
+#endif
+		}
+#endif
+#ifndef OPENSSL_NO_JPAKE
+	if (jpake_secret)
+		jpake_client_auth(bio_c_out, sbio, jpake_secret);
+#endif
+
+	SSL_set_bio(con,sbio,sbio);
+	SSL_set_connect_state(con);
+
+	/* ok, lets connect */
+	width=SSL_get_fd(con)+1;
+
+	read_tty=1;
+	write_tty=0;
+	tty_on=0;
+	read_ssl=1;
+	write_ssl=1;
+	
+	cbuf_len=0;
+	cbuf_off=0;
+	sbuf_len=0;
+	sbuf_off=0;
+
+	/* This is an ugly hack that does a lot of assumptions */
+	/* We do have to handle multi-line responses which may come
+ 	   in a single packet or not. We therefore have to use
+	   BIO_gets() which does need a buffering BIO. So during
+	   the initial chitchat we do push a buffering BIO into the
+	   chain that is removed again later on to not disturb the
+	   rest of the s_client operation. */
+	if (starttls_proto == PROTO_SMTP)
+		{
+		int foundit=0;
+		BIO *fbio = BIO_new(BIO_f_buffer());
+		BIO_push(fbio, sbio);
+		/* wait for multi-line response to end from SMTP */
+		do
+			{
+			mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
+			}
+		while (mbuf_len>3 && mbuf[3]=='-');
+		/* STARTTLS command requires EHLO... */
+		BIO_printf(fbio,"EHLO openssl.client.net\r\n");
+		(void)BIO_flush(fbio);
+		/* wait for multi-line response to end EHLO SMTP response */
+		do
+			{
+			mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
+			if (strstr(mbuf,"STARTTLS"))
+				foundit=1;
+			}
+		while (mbuf_len>3 && mbuf[3]=='-');
+		(void)BIO_flush(fbio);
+		BIO_pop(fbio);
+		BIO_free(fbio);
+		if (!foundit)
+			BIO_printf(bio_err,
+				   "didn't found starttls in server response,"
+				   " try anyway...\n");
+		BIO_printf(sbio,"STARTTLS\r\n");
+		BIO_read(sbio,sbuf,BUFSIZZ);
+		}
+	else if (starttls_proto == PROTO_POP3)
+		{
+		BIO_read(sbio,mbuf,BUFSIZZ);
+		BIO_printf(sbio,"STLS\r\n");
+		BIO_read(sbio,sbuf,BUFSIZZ);
+		}
+	else if (starttls_proto == PROTO_IMAP)
+		{
+		int foundit=0;
+		BIO *fbio = BIO_new(BIO_f_buffer());
+		BIO_push(fbio, sbio);
+		BIO_gets(fbio,mbuf,BUFSIZZ);
+		/* STARTTLS command requires CAPABILITY... */
+		BIO_printf(fbio,". CAPABILITY\r\n");
+		(void)BIO_flush(fbio);
+		/* wait for multi-line CAPABILITY response */
+		do
+			{
+			mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
+			if (strstr(mbuf,"STARTTLS"))
+				foundit=1;
+			}
+		while (mbuf_len>3 && mbuf[0]!='.');
+		(void)BIO_flush(fbio);
+		BIO_pop(fbio);
+		BIO_free(fbio);
+		if (!foundit)
+			BIO_printf(bio_err,
+				   "didn't found STARTTLS in server response,"
+				   " try anyway...\n");
+		BIO_printf(sbio,". STARTTLS\r\n");
+		BIO_read(sbio,sbuf,BUFSIZZ);
+		}
+	else if (starttls_proto == PROTO_FTP)
+		{
+		BIO *fbio = BIO_new(BIO_f_buffer());
+		BIO_push(fbio, sbio);
+		/* wait for multi-line response to end from FTP */
+		do
+			{
+			mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
+			}
+		while (mbuf_len>3 && mbuf[3]=='-');
+		(void)BIO_flush(fbio);
+		BIO_pop(fbio);
+		BIO_free(fbio);
+		BIO_printf(sbio,"AUTH TLS\r\n");
+		BIO_read(sbio,sbuf,BUFSIZZ);
+		}
+	if (starttls_proto == PROTO_XMPP)
+		{
+		int seen = 0;
+		BIO_printf(sbio,"<stream:stream "
+		    "xmlns:stream='http://etherx.jabber.org/streams' "
+		    "xmlns='jabber:client' to='%s' version='1.0'>", host);
+		seen = BIO_read(sbio,mbuf,BUFSIZZ);
+		mbuf[seen] = 0;
+		while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
+			{
+			if (strstr(mbuf, "/stream:features>"))
+				goto shut;
+			seen = BIO_read(sbio,mbuf,BUFSIZZ);
+			mbuf[seen] = 0;
+			}
+		BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
+		seen = BIO_read(sbio,sbuf,BUFSIZZ);
+		sbuf[seen] = 0;
+		if (!strstr(sbuf, "<proceed"))
+			goto shut;
+		mbuf[0] = 0;
+		}
+
+	for (;;)
+		{
+		FD_ZERO(&readfds);
+		FD_ZERO(&writefds);
+
+		if ((SSL_version(con) == DTLS1_VERSION) &&
+			DTLSv1_get_timeout(con, &timeout))
+			timeoutp = &timeout;
+		else
+			timeoutp = NULL;
+
+		if (SSL_in_init(con) && !SSL_total_renegotiations(con))
+			{
+			in_init=1;
+			tty_on=0;
+			}
+		else
+			{
+			tty_on=1;
+			if (in_init)
+				{
+				in_init=0;
+#if 0 /* This test doesn't really work as intended (needs to be fixed) */
+#ifndef OPENSSL_NO_TLSEXT
+				if (servername != NULL && !SSL_session_reused(con))
+					{
+					BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
+					}
+#endif
+#endif
+				if (sess_out)
+					{
+					BIO *stmp = BIO_new_file(sess_out, "w");
+					if (stmp)
+						{
+						PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
+						BIO_free(stmp);
+						}
+					else 
+						BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
+					}
+				print_stuff(bio_c_out,con,full_log);
+				if (full_log > 0) full_log--;
+
+				if (starttls_proto)
+					{
+					BIO_printf(bio_err,"%s",mbuf);
+					/* We don't need to know any more */
+					starttls_proto = PROTO_OFF;
+					}
+
+				if (reconnect)
+					{
+					reconnect--;
+					BIO_printf(bio_c_out,"drop connection and then reconnect\n");
+					SSL_shutdown(con);
+					SSL_set_connect_state(con);
+					SHUTDOWN(SSL_get_fd(con));
+					goto re_start;
+					}
+				}
+			}
+
+		ssl_pending = read_ssl && SSL_pending(con);
+
+		if (!ssl_pending)
+			{
+#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
+			if (tty_on)
+				{
+				if (read_tty)  openssl_fdset(fileno(stdin),&readfds);
+				if (write_tty) openssl_fdset(fileno(stdout),&writefds);
+				}
+			if (read_ssl)
+				openssl_fdset(SSL_get_fd(con),&readfds);
+			if (write_ssl)
+				openssl_fdset(SSL_get_fd(con),&writefds);
+#else
+			if(!tty_on || !write_tty) {
+				if (read_ssl)
+					openssl_fdset(SSL_get_fd(con),&readfds);
+				if (write_ssl)
+					openssl_fdset(SSL_get_fd(con),&writefds);
+			}
+#endif
+/*			printf("mode tty(%d %d%d) ssl(%d%d)\n",
+				tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
+
+			/* 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)
+                        /* Under Windows/DOS we make the assumption that we can
+			 * always write to the tty: therefore if we need to
+			 * write to the tty we just fall through. Otherwise
+			 * we timeout the select every second and see if there
+			 * are any keypresses. Note: this is a hack, in a proper
+			 * Windows application we wouldn't do this.
+			 */
+			i=0;
+			if(!write_tty) {
+				if(read_tty) {
+					tv.tv_sec = 1;
+					tv.tv_usec = 0;
+					i=select(width,(void *)&readfds,(void *)&writefds,
+						 NULL,&tv);
+#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
+					if(!i && (!_kbhit() || !read_tty) ) continue;
+#else
+					if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
+#endif
+				} else 	i=select(width,(void *)&readfds,(void *)&writefds,
+					 NULL,timeoutp);
+			}
+#elif defined(OPENSSL_SYS_NETWARE)
+			if(!write_tty) {
+				if(read_tty) {
+					tv.tv_sec = 1;
+					tv.tv_usec = 0;
+					i=select(width,(void *)&readfds,(void *)&writefds,
+						NULL,&tv);
+				} else 	i=select(width,(void *)&readfds,(void *)&writefds,
+					NULL,timeoutp);
+			}
+#elif defined(OPENSSL_SYS_BEOS_R5)
+			/* Under BeOS-R5 the situation is similar to DOS */
+			i=0;
+			stdin_set = 0;
+			(void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
+			if(!write_tty) {
+				if(read_tty) {
+					tv.tv_sec = 1;
+					tv.tv_usec = 0;
+					i=select(width,(void *)&readfds,(void *)&writefds,
+						 NULL,&tv);
+					if (read(fileno(stdin), sbuf, 0) >= 0)
+						stdin_set = 1;
+					if (!i && (stdin_set != 1 || !read_tty))
+						continue;
+				} else 	i=select(width,(void *)&readfds,(void *)&writefds,
+					 NULL,timeoutp);
+			}
+			(void)fcntl(fileno(stdin), F_SETFL, 0);
+#else
+			i=select(width,(void *)&readfds,(void *)&writefds,
+				 NULL,timeoutp);
+#endif
+			if ( i < 0)
+				{
+				BIO_printf(bio_err,"bad select %d\n",
+				get_last_socket_error());
+				goto shut;
+				/* goto end; */
+				}
+			}
+
+		if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
+			{
+			BIO_printf(bio_err,"TIMEOUT occured\n");
+			}
+
+		if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
+			{
+			k=SSL_write(con,&(cbuf[cbuf_off]),
+				(unsigned int)cbuf_len);
+			switch (SSL_get_error(con,k))
+				{
+			case SSL_ERROR_NONE:
+				cbuf_off+=k;
+				cbuf_len-=k;
+				if (k <= 0) goto end;
+				/* we have done a  write(con,NULL,0); */
+				if (cbuf_len <= 0)
+					{
+					read_tty=1;
+					write_ssl=0;
+					}
+				else /* if (cbuf_len > 0) */
+					{
+					read_tty=0;
+					write_ssl=1;
+					}
+				break;
+			case SSL_ERROR_WANT_WRITE:
+				BIO_printf(bio_c_out,"write W BLOCK\n");
+				write_ssl=1;
+				read_tty=0;
+				break;
+			case SSL_ERROR_WANT_READ:
+				BIO_printf(bio_c_out,"write R BLOCK\n");
+				write_tty=0;
+				read_ssl=1;
+				write_ssl=0;
+				break;
+			case SSL_ERROR_WANT_X509_LOOKUP:
+				BIO_printf(bio_c_out,"write X BLOCK\n");
+				break;
+			case SSL_ERROR_ZERO_RETURN:
+				if (cbuf_len != 0)
+					{
+					BIO_printf(bio_c_out,"shutdown\n");
+					ret = 0;
+					goto shut;
+					}
+				else
+					{
+					read_tty=1;
+					write_ssl=0;
+					break;
+					}
+				
+			case SSL_ERROR_SYSCALL:
+				if ((k != 0) || (cbuf_len != 0))
+					{
+					BIO_printf(bio_err,"write:errno=%d\n",
+						get_last_socket_error());
+					goto shut;
+					}
+				else
+					{
+					read_tty=1;
+					write_ssl=0;
+					}
+				break;
+			case SSL_ERROR_SSL:
+				ERR_print_errors(bio_err);
+				goto shut;
+				}
+			}
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
+		/* Assume Windows/DOS/BeOS can always write */
+		else if (!ssl_pending && write_tty)
+#else
+		else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
+#endif
+			{
+#ifdef CHARSET_EBCDIC
+			ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
+#endif
+			i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
+
+			if (i <= 0)
+				{
+				BIO_printf(bio_c_out,"DONE\n");
+				ret = 0;
+				goto shut;
+				/* goto end; */
+				}
+
+			sbuf_len-=i;;
+			sbuf_off+=i;
+			if (sbuf_len <= 0)
+				{
+				read_ssl=1;
+				write_tty=0;
+				}
+			}
+		else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
+			{
+#ifdef RENEG
+{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
+#endif
+#if 1
+			k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
+#else
+/* Demo for pending and peek :-) */
+			k=SSL_read(con,sbuf,16);
+{ char zbuf[10240]; 
+printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
+}
+#endif
+
+			switch (SSL_get_error(con,k))
+				{
+			case SSL_ERROR_NONE:
+				if (k <= 0)
+					goto end;
+				sbuf_off=0;
+				sbuf_len=k;
+
+				read_ssl=0;
+				write_tty=1;
+				break;
+			case SSL_ERROR_WANT_WRITE:
+				BIO_printf(bio_c_out,"read W BLOCK\n");
+				write_ssl=1;
+				read_tty=0;
+				break;
+			case SSL_ERROR_WANT_READ:
+				BIO_printf(bio_c_out,"read R BLOCK\n");
+				write_tty=0;
+				read_ssl=1;
+				if ((read_tty == 0) && (write_ssl == 0))
+					write_ssl=1;
+				break;
+			case SSL_ERROR_WANT_X509_LOOKUP:
+				BIO_printf(bio_c_out,"read X BLOCK\n");
+				break;
+			case SSL_ERROR_SYSCALL:
+				ret=get_last_socket_error();
+				BIO_printf(bio_err,"read:errno=%d\n",ret);
+				goto shut;
+			case SSL_ERROR_ZERO_RETURN:
+				BIO_printf(bio_c_out,"closed\n");
+				ret=0;
+				goto shut;
+			case SSL_ERROR_SSL:
+				ERR_print_errors(bio_err);
+				goto shut;
+				/* break; */
+				}
+			}
+
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
+#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
+		else if (_kbhit())
+#else
+		else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
+#endif
+#elif defined (OPENSSL_SYS_NETWARE)
+		else if (_kbhit())
+#elif defined(OPENSSL_SYS_BEOS_R5)
+		else if (stdin_set)
+#else
+		else if (FD_ISSET(fileno(stdin),&readfds))
+#endif
+			{
+			if (crlf)
+				{
+				int j, lf_num;
+
+				i=raw_read_stdin(cbuf,BUFSIZZ/2);
+				lf_num = 0;
+				/* both loops are skipped when i <= 0 */
+				for (j = 0; j < i; j++)
+					if (cbuf[j] == '\n')
+						lf_num++;
+				for (j = i-1; j >= 0; j--)
+					{
+					cbuf[j+lf_num] = cbuf[j];
+					if (cbuf[j] == '\n')
+						{
+						lf_num--;
+						i++;
+						cbuf[j+lf_num] = '\r';
+						}
+					}
+				assert(lf_num == 0);
+				}
+			else
+				i=raw_read_stdin(cbuf,BUFSIZZ);
+
+			if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
+				{
+				BIO_printf(bio_err,"DONE\n");
+				ret=0;
+				goto shut;
+				}
+
+			if ((!c_ign_eof) && (cbuf[0] == 'R'))
+				{
+				BIO_printf(bio_err,"RENEGOTIATING\n");
+				SSL_renegotiate(con);
+				cbuf_len=0;
+				}
+			else
+				{
+				cbuf_len=i;
+				cbuf_off=0;
+#ifdef CHARSET_EBCDIC
+				ebcdic2ascii(cbuf, cbuf, i);
+#endif
+				}
+
+			write_ssl=1;
+			read_tty=0;
+			}
+		}
+
+	ret=0;
+shut:
+	if (in_init)
+		print_stuff(bio_c_out,con,full_log);
+	SSL_shutdown(con);
+	SHUTDOWN(SSL_get_fd(con));
+end:
+	if (con != NULL)
+		{
+		if (prexit != 0)
+			print_stuff(bio_c_out,con,1);
+		SSL_free(con);
+		}
+	if (ctx != NULL) SSL_CTX_free(ctx);
+	if (cert)
+		X509_free(cert);
+	if (key)
+		EVP_PKEY_free(key);
+	if (pass)
+		OPENSSL_free(pass);
+	if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
+	if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
+	if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
+	if (bio_c_out != NULL)
+		{
+		BIO_free(bio_c_out);
+		bio_c_out=NULL;
+		}
+	apps_shutdown();
+	OPENSSL_EXIT(ret);
+	}
+
+
+static void print_stuff(BIO *bio, SSL *s, int full)
+	{
+	X509 *peer=NULL;
+	char *p;
+	static const char *space="                ";
+	char buf[BUFSIZ];
+	STACK_OF(X509) *sk;
+	STACK_OF(X509_NAME) *sk2;
+	const SSL_CIPHER *c;
+	X509_NAME *xn;
+	int j,i;
+#ifndef OPENSSL_NO_COMP
+	const COMP_METHOD *comp, *expansion;
+#endif
+
+	if (full)
+		{
+		int got_a_chain = 0;
+
+		sk=SSL_get_peer_cert_chain(s);
+		if (sk != NULL)
+			{
+			got_a_chain = 1; /* we don't have it for SSL2 (yet) */
+
+			BIO_printf(bio,"---\nCertificate chain\n");
+			for (i=0; i<sk_X509_num(sk); i++)
+				{
+				X509_NAME_oneline(X509_get_subject_name(
+					sk_X509_value(sk,i)),buf,sizeof buf);
+				BIO_printf(bio,"%2d s:%s\n",i,buf);
+				X509_NAME_oneline(X509_get_issuer_name(
+					sk_X509_value(sk,i)),buf,sizeof buf);
+				BIO_printf(bio,"   i:%s\n",buf);
+				if (c_showcerts)
+					PEM_write_bio_X509(bio,sk_X509_value(sk,i));
+				}
+			}
+
+		BIO_printf(bio,"---\n");
+		peer=SSL_get_peer_certificate(s);
+		if (peer != NULL)
+			{
+			BIO_printf(bio,"Server certificate\n");
+			if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
+				PEM_write_bio_X509(bio,peer);
+			X509_NAME_oneline(X509_get_subject_name(peer),
+				buf,sizeof buf);
+			BIO_printf(bio,"subject=%s\n",buf);
+			X509_NAME_oneline(X509_get_issuer_name(peer),
+				buf,sizeof buf);
+			BIO_printf(bio,"issuer=%s\n",buf);
+			}
+		else
+			BIO_printf(bio,"no peer certificate available\n");
+
+		sk2=SSL_get_client_CA_list(s);
+		if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
+			{
+			BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
+			for (i=0; i<sk_X509_NAME_num(sk2); i++)
+				{
+				xn=sk_X509_NAME_value(sk2,i);
+				X509_NAME_oneline(xn,buf,sizeof(buf));
+				BIO_write(bio,buf,strlen(buf));
+				BIO_write(bio,"\n",1);
+				}
+			}
+		else
+			{
+			BIO_printf(bio,"---\nNo client certificate CA names sent\n");
+			}
+		p=SSL_get_shared_ciphers(s,buf,sizeof buf);
+		if (p != NULL)
+			{
+			/* This works only for SSL 2.  In later protocol
+			 * versions, the client does not know what other
+			 * ciphers (in addition to the one to be used
+			 * in the current connection) the server supports. */
+
+			BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
+			j=i=0;
+			while (*p)
+				{
+				if (*p == ':')
+					{
+					BIO_write(bio,space,15-j%25);
+					i++;
+					j=0;
+					BIO_write(bio,((i%3)?" ":"\n"),1);
+					}
+				else
+					{
+					BIO_write(bio,p,1);
+					j++;
+					}
+				p++;
+				}
+			BIO_write(bio,"\n",1);
+			}
+
+		BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
+			BIO_number_read(SSL_get_rbio(s)),
+			BIO_number_written(SSL_get_wbio(s)));
+		}
+	BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
+	c=SSL_get_current_cipher(s);
+	BIO_printf(bio,"%s, Cipher is %s\n",
+		SSL_CIPHER_get_version(c),
+		SSL_CIPHER_get_name(c));
+	if (peer != NULL) {
+		EVP_PKEY *pktmp;
+		pktmp = X509_get_pubkey(peer);
+		BIO_printf(bio,"Server public key is %d bit\n",
+							 EVP_PKEY_bits(pktmp));
+		EVP_PKEY_free(pktmp);
+	}
+	BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
+			SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
+#ifndef OPENSSL_NO_COMP
+	comp=SSL_get_current_compression(s);
+	expansion=SSL_get_current_expansion(s);
+	BIO_printf(bio,"Compression: %s\n",
+		comp ? SSL_COMP_get_name(comp) : "NONE");
+	BIO_printf(bio,"Expansion: %s\n",
+		expansion ? SSL_COMP_get_name(expansion) : "NONE");
+#endif
+	SSL_SESSION_print(bio,SSL_get_session(s));
+	BIO_printf(bio,"---\n");
+	if (peer != NULL)
+		X509_free(peer);
+	/* flush, or debugging output gets mixed with http response */
+	(void)BIO_flush(bio);
+	}
+
+#ifndef OPENSSL_NO_TLSEXT
+
+static int ocsp_resp_cb(SSL *s, void *arg)
+	{
+	const unsigned char *p;
+	int len;
+	OCSP_RESPONSE *rsp;
+	len = SSL_get_tlsext_status_ocsp_resp(s, &p);
+	BIO_puts(arg, "OCSP response: ");
+	if (!p)
+		{
+		BIO_puts(arg, "no response sent\n");
+		return 1;
+		}
+	rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
+	if (!rsp)
+		{
+		BIO_puts(arg, "response parse error\n");
+		BIO_dump_indent(arg, (char *)p, len, 4);
+		return 0;
+		}
+	BIO_puts(arg, "\n======================================\n");
+	OCSP_RESPONSE_print(arg, rsp, 0);
+	BIO_puts(arg, "======================================\n");
+	OCSP_RESPONSE_free(rsp);
+	return 1;
+	}
+
+#endif