sl@0: /* apps/s_client.c */
sl@0: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * This package is an SSL implementation written
sl@0:  * by Eric Young (eay@cryptsoft.com).
sl@0:  * The implementation was written so as to conform with Netscapes SSL.
sl@0:  * 
sl@0:  * This library is free for commercial and non-commercial use as long as
sl@0:  * the following conditions are aheared to.  The following conditions
sl@0:  * apply to all code found in this distribution, be it the RC4, RSA,
sl@0:  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
sl@0:  * included with this distribution is covered by the same copyright terms
sl@0:  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
sl@0:  * 
sl@0:  * Copyright remains Eric Young's, and as such any Copyright notices in
sl@0:  * the code are not to be removed.
sl@0:  * If this package is used in a product, Eric Young should be given attribution
sl@0:  * as the author of the parts of the library used.
sl@0:  * This can be in the form of a textual message at program startup or
sl@0:  * in documentation (online or textual) provided with the package.
sl@0:  * 
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 3. All advertising materials mentioning features or use of this software
sl@0:  *    must display the following acknowledgement:
sl@0:  *    "This product includes cryptographic software written by
sl@0:  *     Eric Young (eay@cryptsoft.com)"
sl@0:  *    The word 'cryptographic' can be left out if the rouines from the library
sl@0:  *    being used are not cryptographic related :-).
sl@0:  * 4. If you include any Windows specific code (or a derivative thereof) from 
sl@0:  *    the apps directory (application code) you must include an acknowledgement:
sl@0:  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  * 
sl@0:  * The licence and distribution terms for any publically available version or
sl@0:  * derivative of this code cannot be changed.  i.e. this code cannot simply be
sl@0:  * copied and put under another distribution licence
sl@0:  * [including the GNU Public Licence.]
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    openssl-core@openssl.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0: 
sl@0: #include <assert.h>
sl@0: #include <stdio.h>
sl@0: #include <stdlib.h>
sl@0: #include <string.h>
sl@0: #include <sys/select.h>
sl@0: #include <openssl/e_os2.h>
sl@0: #ifdef OPENSSL_NO_STDIO
sl@0: #define APPS_WIN16
sl@0: #endif
sl@0: 
sl@0: /* With IPv6, it looks like Digital has mixed up the proper order of
sl@0:    recursive header file inclusion, resulting in the compiler complaining
sl@0:    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
sl@0:    is needed to have fileno() declared correctly...  So let's define u_int */
sl@0: #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
sl@0: #define __U_INT
sl@0: typedef unsigned int u_int;
sl@0: #endif
sl@0: 
sl@0: #define USE_SOCKETS
sl@0: #include "apps.h"
sl@0: #include <openssl/x509.h>
sl@0: #include <openssl/ssl.h>
sl@0: #include <openssl/err.h>
sl@0: #include <openssl/pem.h>
sl@0: #include <openssl/rand.h>
sl@0: #include "s_apps.h"
sl@0: #include "timeouts.h"
sl@0: 
sl@0: #ifdef OPENSSL_SYS_WINCE
sl@0: /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
sl@0: #ifdef fileno
sl@0: #undef fileno
sl@0: #endif
sl@0: #define fileno(a) (int)_fileno(a)
sl@0: #endif
sl@0: 
sl@0: 
sl@0: #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
sl@0: /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
sl@0: #undef FIONBIO
sl@0: #endif
sl@0: 
sl@0: #undef PROG
sl@0: #define PROG	s_client_main
sl@0: 
sl@0: /*#define SSL_HOST_NAME	"www.netscape.com" */
sl@0: /*#define SSL_HOST_NAME	"193.118.187.102" */
sl@0: #define SSL_HOST_NAME	"localhost"
sl@0: 
sl@0: /*#define TEST_CERT "client.pem" */ /* no default cert. */
sl@0: 
sl@0: #undef BUFSIZZ
sl@0: #define BUFSIZZ 1024*8
sl@0: 
sl@0: extern int verify_depth;
sl@0: extern int verify_error;
sl@0: 
sl@0: #ifdef FIONBIO
sl@0: static int c_nbio=0;
sl@0: #endif
sl@0: static int c_Pause=0;
sl@0: static int c_debug=0;
sl@0: static int c_msg=0;
sl@0: static int c_showcerts=0;
sl@0: 
sl@0: static void sc_usage(void);
sl@0: static void print_stuff(BIO *berr,SSL *con,int full);
sl@0: static BIO *bio_c_out=NULL;
sl@0: static int c_quiet=0;
sl@0: static int c_ign_eof=0;
sl@0: 
sl@0: 
sl@0: static void sc_usage(void)
sl@0: 	{
sl@0: 	BIO_printf(bio_err,"usage: s_client args\n");
sl@0: 	BIO_printf(bio_err,"\n");
sl@0: 	BIO_printf(bio_err," -host host     - use -connect instead\n");
sl@0: 	BIO_printf(bio_err," -port port     - use -connect instead\n");
sl@0: 	BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
sl@0: 
sl@0: 	BIO_printf(bio_err," -verify depth - turn on peer certificate verification\n");
sl@0: 	BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
sl@0: 	BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
sl@0: 	BIO_printf(bio_err," -key arg      - Private key file to use, in cert file if\n");
sl@0: 	BIO_printf(bio_err,"                 not specified but cert file is.\n");
sl@0: 	BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
sl@0: 	BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
sl@0: 	BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
sl@0: 	BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
sl@0: 	BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
sl@0: 	BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
sl@0: 	BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
sl@0: 	BIO_printf(bio_err," -debug        - extra output\n");
sl@0: #ifdef WATT32
sl@0: 	BIO_printf(bio_err," -wdebug       - WATT-32 tcp debugging\n");
sl@0: #endif
sl@0: 	BIO_printf(bio_err," -msg          - Show protocol messages\n");
sl@0: 	BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
sl@0: 	BIO_printf(bio_err," -state        - print the 'ssl' states\n");
sl@0: #ifdef FIONBIO
sl@0: 	BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
sl@0: #endif
sl@0: 	BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
sl@0: 	BIO_printf(bio_err," -quiet        - no s_client output\n");
sl@0: 	BIO_printf(bio_err," -ign_eof      - ignore input eof (default when -quiet)\n");
sl@0: 	BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
sl@0: 	BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
sl@0: 	BIO_printf(bio_err," -tls1         - just use TLSv1\n");
sl@0: 	BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");    
sl@0: 	BIO_printf(bio_err," -mtu          - set the MTU\n");
sl@0: 	BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
sl@0: 	BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
sl@0: 	BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");
sl@0: 	BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
sl@0: 	BIO_printf(bio_err,"                 command to see what is available\n");
sl@0: 	BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
sl@0: 	BIO_printf(bio_err,"                 for those protocols that support it, where\n");
sl@0: 	BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
sl@0: 	BIO_printf(bio_err,"                 only \"smtp\", \"pop3\", \"imap\", and \"ftp\" are supported.\n");
sl@0: #ifndef OPENSSL_NO_ENGINE
sl@0: 	BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
sl@0: #endif
sl@0: 	BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
sl@0: 	BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
sl@0: 	BIO_printf(bio_err," -sess_in arg  - file to read SSL session from\n");
sl@0: 	}
sl@0: 
sl@0: enum
sl@0: {
sl@0: 	PROTO_OFF	= 0,
sl@0: 	PROTO_SMTP,
sl@0: 	PROTO_POP3,
sl@0: 	PROTO_IMAP,
sl@0: 	PROTO_FTP
sl@0: };
sl@0: 
sl@0: int MAIN(int, char **);
sl@0: 
sl@0: int MAIN(int argc, char **argv)
sl@0: 	{
sl@0: 	int off=0;
sl@0: 	SSL *con=NULL,*con2=NULL;
sl@0: 	X509_STORE *store = NULL;
sl@0: 	int s,k,width,state=0;
sl@0: 	char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
sl@0: 	int cbuf_len,cbuf_off;
sl@0: 	int sbuf_len,sbuf_off;
sl@0: 	fd_set readfds,writefds;
sl@0: 	short port=PORT;
sl@0: 	int full_log=1;
sl@0: 	char *host=SSL_HOST_NAME;
sl@0: 	char *cert_file=NULL,*key_file=NULL;
sl@0: 	int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
sl@0: 	char *passarg = NULL, *pass = NULL;
sl@0: 	X509 *cert = NULL;
sl@0: 	EVP_PKEY *key = NULL;
sl@0: 	char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
sl@0: 	int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
sl@0: 	int crlf=0;
sl@0: 	int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
sl@0: 	SSL_CTX *ctx=NULL;
sl@0: 	int ret=1,in_init=1,i,nbio_test=0;
sl@0: 	int starttls_proto = PROTO_OFF;
sl@0: 	int prexit = 0, vflags = 0;
sl@0: 	SSL_METHOD *meth=NULL;
sl@0: #ifdef sock_type
sl@0: #undef sock_type
sl@0: #endif
sl@0: 	int sock_type=SOCK_STREAM;
sl@0: 	BIO *sbio;
sl@0: 	char *inrand=NULL;
sl@0: 	int mbuf_len=0;
sl@0: #ifndef OPENSSL_NO_ENGINE
sl@0: 	char *engine_id=NULL;
sl@0: 	ENGINE *e=NULL;
sl@0: #endif
sl@0: #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
sl@0: 	struct timeval tv;
sl@0: #endif
sl@0: 
sl@0: 	char *sess_in = NULL;
sl@0: 	char *sess_out = NULL;
sl@0: 	struct sockaddr peer;
sl@0: 	int peerlen = sizeof(peer);
sl@0: 	int enable_timeouts = 0 ;
sl@0: 	long mtu = 0;
sl@0: 
sl@0: #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
sl@0: 	meth=SSLv23_client_method();
sl@0: #elif !defined(OPENSSL_NO_SSL3)
sl@0: 	meth=SSLv3_client_method();
sl@0: #elif !defined(OPENSSL_NO_SSL2)
sl@0: 	meth=SSLv2_client_method();
sl@0: #endif
sl@0: 
sl@0: 	apps_startup();
sl@0: 	c_Pause=0;
sl@0: 	c_quiet=0;
sl@0: 	c_ign_eof=0;
sl@0: 	c_debug=0;
sl@0: 	c_msg=0;
sl@0: 	c_showcerts=0;
sl@0: 
sl@0: 	if (bio_err == NULL)
sl@0: 		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
sl@0: 
sl@0: 	if (!load_config(bio_err, NULL))
sl@0: 		goto end;
sl@0: 
sl@0: 	if (	((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
sl@0: 		((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
sl@0: 		((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
sl@0: 		{
sl@0: 		BIO_printf(bio_err,"out of memory\n");
sl@0: 		goto end;
sl@0: 		}
sl@0: 
sl@0: 	verify_depth=0;
sl@0: 	verify_error=X509_V_OK;
sl@0: #ifdef FIONBIO
sl@0: 	c_nbio=0;
sl@0: #endif
sl@0: 
sl@0: 	argc--;
sl@0: 	argv++;
sl@0: 	while (argc >= 1)
sl@0: 		{
sl@0: 		if	(strcmp(*argv,"-host") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			host= *(++argv);
sl@0: 			}
sl@0: 		else if	(strcmp(*argv,"-port") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			port=atoi(*(++argv));
sl@0: 			if (port == 0) goto bad;
sl@0: 			}
sl@0: 		else if (strcmp(*argv,"-connect") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			if (!extract_host_port(*(++argv),&host,NULL,&port))
sl@0: 				goto bad;
sl@0: 			}
sl@0: 		else if	(strcmp(*argv,"-verify") == 0)
sl@0: 			{
sl@0: 			verify=SSL_VERIFY_PEER;
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			verify_depth=atoi(*(++argv));
sl@0: 			BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
sl@0: 			}
sl@0: 		else if	(strcmp(*argv,"-cert") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			cert_file= *(++argv);
sl@0: 			}
sl@0: 		else if	(strcmp(*argv,"-sess_out") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			sess_out = *(++argv);
sl@0: 			}
sl@0: 		else if	(strcmp(*argv,"-sess_in") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			sess_in = *(++argv);
sl@0: 			}
sl@0: 		else if	(strcmp(*argv,"-certform") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			cert_format = str2fmt(*(++argv));
sl@0: 			}
sl@0: 		else if	(strcmp(*argv,"-crl_check") == 0)
sl@0: 			vflags |= X509_V_FLAG_CRL_CHECK;
sl@0: 		else if	(strcmp(*argv,"-crl_check_all") == 0)
sl@0: 			vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
sl@0: 		else if	(strcmp(*argv,"-prexit") == 0)
sl@0: 			prexit=1;
sl@0: 		else if	(strcmp(*argv,"-crlf") == 0)
sl@0: 			crlf=1;
sl@0: 		else if	(strcmp(*argv,"-quiet") == 0)
sl@0: 			{
sl@0: 			c_quiet=1;
sl@0: 			c_ign_eof=1;
sl@0: 			}
sl@0: 		else if	(strcmp(*argv,"-ign_eof") == 0)
sl@0: 			c_ign_eof=1;
sl@0: 		else if	(strcmp(*argv,"-pause") == 0)
sl@0: 			c_Pause=1;
sl@0: 		else if	(strcmp(*argv,"-debug") == 0)
sl@0: 			c_debug=1;
sl@0: #ifdef WATT32
sl@0: 		else if (strcmp(*argv,"-wdebug") == 0)
sl@0: 			dbug_init();
sl@0: #endif
sl@0: 		else if	(strcmp(*argv,"-msg") == 0)
sl@0: 			c_msg=1;
sl@0: 		else if	(strcmp(*argv,"-showcerts") == 0)
sl@0: 			c_showcerts=1;
sl@0: 		else if	(strcmp(*argv,"-nbio_test") == 0)
sl@0: 			nbio_test=1;
sl@0: 		else if	(strcmp(*argv,"-state") == 0)
sl@0: 			state=1;
sl@0: #ifndef OPENSSL_NO_SSL2
sl@0: 		else if	(strcmp(*argv,"-ssl2") == 0)
sl@0: 			meth=SSLv2_client_method();
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_SSL3
sl@0: 		else if	(strcmp(*argv,"-ssl3") == 0)
sl@0: 			meth=SSLv3_client_method();
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_TLS1
sl@0: 		else if	(strcmp(*argv,"-tls1") == 0)
sl@0: 			meth=TLSv1_client_method();
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_DTLS1
sl@0: 		else if	(strcmp(*argv,"-dtls1") == 0)
sl@0: 			{
sl@0: 			meth=DTLSv1_client_method();
sl@0: 			sock_type=SOCK_DGRAM;
sl@0: 			}
sl@0: 		else if (strcmp(*argv,"-timeout") == 0)
sl@0: 			enable_timeouts=1;
sl@0: 		else if (strcmp(*argv,"-mtu") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			mtu = atol(*(++argv));
sl@0: 			}
sl@0: #endif
sl@0: 		else if (strcmp(*argv,"-bugs") == 0)
sl@0: 			bugs=1;
sl@0: 		else if	(strcmp(*argv,"-keyform") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			key_format = str2fmt(*(++argv));
sl@0: 			}
sl@0: 		else if	(strcmp(*argv,"-pass") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			passarg = *(++argv);
sl@0: 			}
sl@0: 		else if	(strcmp(*argv,"-key") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			key_file= *(++argv);
sl@0: 			}
sl@0: 		else if	(strcmp(*argv,"-reconnect") == 0)
sl@0: 			{
sl@0: 			reconnect=5;
sl@0: 			}
sl@0: 		else if	(strcmp(*argv,"-CApath") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			CApath= *(++argv);
sl@0: 			}
sl@0: 		else if	(strcmp(*argv,"-CAfile") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			CAfile= *(++argv);
sl@0: 			}
sl@0: 		else if (strcmp(*argv,"-no_tls1") == 0)
sl@0: 			off|=SSL_OP_NO_TLSv1;
sl@0: 		else if (strcmp(*argv,"-no_ssl3") == 0)
sl@0: 			off|=SSL_OP_NO_SSLv3;
sl@0: 		else if (strcmp(*argv,"-no_ssl2") == 0)
sl@0: 			off|=SSL_OP_NO_SSLv2;
sl@0: 		else if (strcmp(*argv,"-serverpref") == 0)
sl@0: 			off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
sl@0: 		else if	(strcmp(*argv,"-cipher") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			cipher= *(++argv);
sl@0: 			}
sl@0: #ifdef FIONBIO
sl@0: 		else if (strcmp(*argv,"-nbio") == 0)
sl@0: 			{ c_nbio=1; }
sl@0: #endif
sl@0: 		else if	(strcmp(*argv,"-starttls") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			++argv;
sl@0: 			if (strcmp(*argv,"smtp") == 0)
sl@0: 				starttls_proto = PROTO_SMTP;
sl@0: 			else if (strcmp(*argv,"pop3") == 0)
sl@0: 				starttls_proto = PROTO_POP3;
sl@0: 			else if (strcmp(*argv,"imap") == 0)
sl@0: 				starttls_proto = PROTO_IMAP;
sl@0: 			else if (strcmp(*argv,"ftp") == 0)
sl@0: 				starttls_proto = PROTO_FTP;
sl@0: 			else
sl@0: 				goto bad;
sl@0: 			}
sl@0: #ifndef OPENSSL_NO_ENGINE
sl@0: 		else if	(strcmp(*argv,"-engine") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			engine_id = *(++argv);
sl@0: 			}
sl@0: #endif
sl@0: 		else if (strcmp(*argv,"-rand") == 0)
sl@0: 			{
sl@0: 			if (--argc < 1) goto bad;
sl@0: 			inrand= *(++argv);
sl@0: 			}
sl@0: 
sl@0: 		else
sl@0: 			{
sl@0: 			BIO_printf(bio_err,"unknown option %s\n",*argv);
sl@0: 			badop=1;
sl@0: 			break;
sl@0: 			}
sl@0: 		argc--;
sl@0: 		argv++;
sl@0: 		}
sl@0: 	if (badop)
sl@0: 		{
sl@0: bad:
sl@0: 		sc_usage();
sl@0: 		goto end;
sl@0: 		}
sl@0: 
sl@0: 	OpenSSL_add_ssl_algorithms();
sl@0: 	SSL_load_error_strings();
sl@0: 
sl@0: #ifndef OPENSSL_NO_ENGINE
sl@0:         e = setup_engine(bio_err, engine_id, 1);
sl@0: #endif
sl@0: 	if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
sl@0: 		{
sl@0: 		BIO_printf(bio_err, "Error getting password\n");
sl@0: 		goto end;
sl@0: 		}
sl@0: 
sl@0: 	if (key_file == NULL)
sl@0: 		key_file = cert_file;
sl@0: 
sl@0: 
sl@0: 	if (key_file)
sl@0: 
sl@0: 		{
sl@0: 
sl@0: 		key = load_key(bio_err, key_file, key_format, 0, pass, e,
sl@0: 			       "client certificate private key file");
sl@0: 		if (!key)
sl@0: 			{
sl@0: 			ERR_print_errors(bio_err);
sl@0: 			goto end;
sl@0: 			}
sl@0: 
sl@0: 		}
sl@0: 
sl@0: 	if (cert_file)
sl@0: 
sl@0: 		{
sl@0: 		cert = load_cert(bio_err,cert_file,cert_format,
sl@0: 				NULL, e, "client certificate file");
sl@0: 
sl@0: 		if (!cert)
sl@0: 			{
sl@0: 			ERR_print_errors(bio_err);
sl@0: 			goto end;
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
sl@0: 		&& !RAND_status())
sl@0: 		{
sl@0: 		BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
sl@0: 		}
sl@0: 	if (inrand != NULL)
sl@0: 		BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
sl@0: 			app_RAND_load_files(inrand));
sl@0: 
sl@0: 	if (bio_c_out == NULL)
sl@0: 		{
sl@0: 		if (c_quiet && !c_debug && !c_msg)
sl@0: 			{
sl@0: 			bio_c_out=BIO_new(BIO_s_null());
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			if (bio_c_out == NULL)
sl@0: 				bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
sl@0: 				
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	ctx=SSL_CTX_new(meth);
sl@0: 	if (ctx == NULL)
sl@0: 		{
sl@0: 		ERR_print_errors(bio_err);
sl@0: 		goto end;
sl@0: 		}
sl@0: 
sl@0: 	if (bugs)
sl@0: 		SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
sl@0: 	else
sl@0: 		SSL_CTX_set_options(ctx,off);
sl@0: 	/* DTLS: partial reads end up discarding unread UDP bytes :-( 
sl@0: 	 * Setting read ahead solves this problem.
sl@0: 	 */
sl@0: 	if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
sl@0: 
sl@0: 	if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
sl@0: 	if (cipher != NULL)
sl@0: 		if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
sl@0: 		BIO_printf(bio_err,"error setting cipher list\n");
sl@0: 		ERR_print_errors(bio_err);
sl@0: 		goto end;
sl@0: 	}
sl@0: #if 0
sl@0: 	else
sl@0: 		SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
sl@0: #endif
sl@0: 
sl@0: 	SSL_CTX_set_verify(ctx,verify,verify_callback);
sl@0: 	if (!set_cert_key_stuff(ctx,cert,key))
sl@0: 		goto end;
sl@0: 
sl@0: 	if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
sl@0: 		(!SSL_CTX_set_default_verify_paths(ctx)))
sl@0: 		{
sl@0: 		/* BIO_printf(bio_err,"error setting default verify locations\n"); */
sl@0: 		ERR_print_errors(bio_err);
sl@0: 		/* goto end; */
sl@0: 		}
sl@0: 
sl@0: 	store = SSL_CTX_get_cert_store(ctx);
sl@0: 	X509_STORE_set_flags(store, vflags);
sl@0: 
sl@0: 	con=SSL_new(ctx);
sl@0: 	if (sess_in)
sl@0: 		{
sl@0: 		SSL_SESSION *sess;
sl@0: 		BIO *stmp = BIO_new_file(sess_in, "r");
sl@0: 		if (!stmp)
sl@0: 			{
sl@0: 			BIO_printf(bio_err, "Can't open session file %s\n",
sl@0: 						sess_in);
sl@0: 			ERR_print_errors(bio_err);
sl@0: 			goto end;
sl@0: 			}
sl@0: 		sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
sl@0: 		BIO_free(stmp);
sl@0: 		if (!sess)
sl@0: 			{
sl@0: 			BIO_printf(bio_err, "Can't open session file %s\n",
sl@0: 						sess_in);
sl@0: 			ERR_print_errors(bio_err);
sl@0: 			goto end;
sl@0: 			}
sl@0: 		SSL_set_session(con, sess);
sl@0: 		SSL_SESSION_free(sess);
sl@0: 		}
sl@0: 
sl@0: #ifndef OPENSSL_NO_KRB5
sl@0: 	if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
sl@0:                 {
sl@0:                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
sl@0: 		}
sl@0: #endif	/* OPENSSL_NO_KRB5  */
sl@0: /*	SSL_set_cipher_list(con,"RC4-MD5"); */
sl@0: 
sl@0: re_start:
sl@0: 
sl@0: 	if (init_client(&s,host,port,sock_type) == 0)
sl@0: 		{
sl@0: 		BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
sl@0: 		SHUTDOWN(s);
sl@0: 		goto end;
sl@0: 		}
sl@0: 	BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
sl@0: 
sl@0: #ifdef FIONBIO
sl@0: 	if (c_nbio)
sl@0: 		{
sl@0: 		unsigned long l=1;
sl@0: 		BIO_printf(bio_c_out,"turning on non blocking io\n");
sl@0: 		if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
sl@0: 			{
sl@0: 			ERR_print_errors(bio_err);
sl@0: 			goto end;
sl@0: 			}
sl@0: 		}
sl@0: #endif                                              
sl@0: 	if (c_Pause & 0x01) con->debug=1;
sl@0: 
sl@0: 	if ( SSL_version(con) == DTLS1_VERSION)
sl@0: 		{
sl@0: 		struct timeval timeout;
sl@0: 
sl@0: 		sbio=BIO_new_dgram(s,BIO_NOCLOSE);
sl@0: 		if (getsockname(s, &peer, (void *)&peerlen) < 0)
sl@0: 			{
sl@0: 			BIO_printf(bio_err, "getsockname:errno=%d\n",
sl@0: 				get_last_socket_error());
sl@0: 			SHUTDOWN(s);
sl@0: 			goto end;
sl@0: 			}
sl@0: 
sl@0: 		(void)BIO_ctrl_set_connected(sbio, 1, &peer);
sl@0: 
sl@0: 		if ( enable_timeouts)
sl@0: 			{
sl@0: 			timeout.tv_sec = 0;
sl@0: 			timeout.tv_usec = DGRAM_RCV_TIMEOUT;
sl@0: 			BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
sl@0: 			
sl@0: 			timeout.tv_sec = 0;
sl@0: 			timeout.tv_usec = DGRAM_SND_TIMEOUT;
sl@0: 			BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
sl@0: 			}
sl@0: 
sl@0: 		if ( mtu > 0)
sl@0: 			{
sl@0: 			SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
sl@0: 			SSL_set_mtu(con, mtu);
sl@0: 			}
sl@0: 		else
sl@0: 			/* want to do MTU discovery */
sl@0: 			BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
sl@0: 		}
sl@0: 	else
sl@0: 		sbio=BIO_new_socket(s,BIO_NOCLOSE);
sl@0: 
sl@0: 
sl@0: 
sl@0: 	if (nbio_test)
sl@0: 		{
sl@0: 		BIO *test;
sl@0: 
sl@0: 		test=BIO_new(BIO_f_nbio_test());
sl@0: 		sbio=BIO_push(test,sbio);
sl@0: 		}
sl@0: 
sl@0: 	if (c_debug)
sl@0: 		{
sl@0: 		con->debug=1;
sl@0: 		BIO_set_callback(sbio,bio_dump_callback);
sl@0: 		BIO_set_callback_arg(sbio,(char *)bio_c_out);
sl@0: 		}
sl@0: 	if (c_msg)
sl@0: 		{
sl@0: 		SSL_set_msg_callback(con, msg_cb);
sl@0: 		SSL_set_msg_callback_arg(con, bio_c_out);
sl@0: 		}
sl@0: 
sl@0: 	SSL_set_bio(con,sbio,sbio);
sl@0: 	SSL_set_connect_state(con);
sl@0: 
sl@0: 	/* ok, lets connect */
sl@0: 	width=SSL_get_fd(con)+1;
sl@0: 
sl@0: 	read_tty=1;
sl@0: 	write_tty=0;
sl@0: 	tty_on=0;
sl@0: 	read_ssl=1;
sl@0: 	write_ssl=1;
sl@0: 	
sl@0: 	cbuf_len=0;
sl@0: 	cbuf_off=0;
sl@0: 	sbuf_len=0;
sl@0: 	sbuf_off=0;
sl@0: 
sl@0: 	/* This is an ugly hack that does a lot of assumptions */
sl@0: 	/* We do have to handle multi-line responses which may come
sl@0:  	   in a single packet or not. We therefore have to use
sl@0: 	   BIO_gets() which does need a buffering BIO. So during
sl@0: 	   the initial chitchat we do push a buffering BIO into the
sl@0: 	   chain that is removed again later on to not disturb the
sl@0: 	   rest of the s_client operation. */
sl@0: 	if (starttls_proto == PROTO_SMTP)
sl@0: 		{
sl@0: 		int foundit=0;
sl@0: 		BIO *fbio = BIO_new(BIO_f_buffer());
sl@0: 		BIO_push(fbio, sbio);
sl@0: 		/* wait for multi-line response to end from SMTP */
sl@0: 		do
sl@0: 			{
sl@0: 			mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
sl@0: 			}
sl@0: 		while (mbuf_len>3 && mbuf[3]=='-');
sl@0: 		/* STARTTLS command requires EHLO... */
sl@0: 		BIO_printf(fbio,"EHLO openssl.client.net\r\n");
sl@0: 		(void)BIO_flush(fbio);
sl@0: 		/* wait for multi-line response to end EHLO SMTP response */
sl@0: 		do
sl@0: 			{
sl@0: 			mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
sl@0: 			if (strstr(mbuf,"STARTTLS"))
sl@0: 				foundit=1;
sl@0: 			}
sl@0: 		while (mbuf_len>3 && mbuf[3]=='-');
sl@0: 		(void)BIO_flush(fbio);
sl@0: 		BIO_pop(fbio);
sl@0: 		BIO_free(fbio);
sl@0: 		if (!foundit)
sl@0: 			BIO_printf(bio_err,
sl@0: 				   "didn't found starttls in server response,"
sl@0: 				   " try anyway...\n");
sl@0: 		BIO_printf(sbio,"STARTTLS\r\n");
sl@0: 		BIO_read(sbio,sbuf,BUFSIZZ);
sl@0: 		}
sl@0: 	else if (starttls_proto == PROTO_POP3)
sl@0: 		{
sl@0: 		BIO_read(sbio,mbuf,BUFSIZZ);
sl@0: 		BIO_printf(sbio,"STLS\r\n");
sl@0: 		BIO_read(sbio,sbuf,BUFSIZZ);
sl@0: 		}
sl@0: 	else if (starttls_proto == PROTO_IMAP)
sl@0: 		{
sl@0: 		int foundit=0;
sl@0: 		BIO *fbio = BIO_new(BIO_f_buffer());
sl@0: 		BIO_push(fbio, sbio);
sl@0: 		BIO_gets(fbio,mbuf,BUFSIZZ);
sl@0: 		/* STARTTLS command requires CAPABILITY... */
sl@0: 		BIO_printf(fbio,". CAPABILITY\r\n");
sl@0: 		(void)BIO_flush(fbio);
sl@0: 		/* wait for multi-line CAPABILITY response */
sl@0: 		do
sl@0: 			{
sl@0: 			mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
sl@0: 			if (strstr(mbuf,"STARTTLS"))
sl@0: 				foundit=1;
sl@0: 			}
sl@0: 		while (mbuf_len>3 && mbuf[0]!='.');
sl@0: 		(void)BIO_flush(fbio);
sl@0: 		BIO_pop(fbio);
sl@0: 		BIO_free(fbio);
sl@0: 		if (!foundit)
sl@0: 			BIO_printf(bio_err,
sl@0: 				   "didn't found STARTTLS in server response,"
sl@0: 				   " try anyway...\n");
sl@0: 		BIO_printf(sbio,". STARTTLS\r\n");
sl@0: 		BIO_read(sbio,sbuf,BUFSIZZ);
sl@0: 		}
sl@0: 	else if (starttls_proto == PROTO_FTP)
sl@0: 		{
sl@0: 		BIO *fbio = BIO_new(BIO_f_buffer());
sl@0: 		BIO_push(fbio, sbio);
sl@0: 		/* wait for multi-line response to end from FTP */
sl@0: 		do
sl@0: 			{
sl@0: 			mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
sl@0: 			}
sl@0: 		while (mbuf_len>3 && mbuf[3]=='-');
sl@0: 		(void)BIO_flush(fbio);
sl@0: 		BIO_pop(fbio);
sl@0: 		BIO_free(fbio);
sl@0: 		BIO_printf(sbio,"AUTH TLS\r\n");
sl@0: 		BIO_read(sbio,sbuf,BUFSIZZ);
sl@0: 		}
sl@0: 
sl@0: 	for (;;)
sl@0: 		{
sl@0: 		FD_ZERO(&readfds);
sl@0: 		FD_ZERO(&writefds);
sl@0: 
sl@0: 		if (SSL_in_init(con) && !SSL_total_renegotiations(con))
sl@0: 			{
sl@0: 			in_init=1;
sl@0: 			tty_on=0;
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			tty_on=1;
sl@0: 			if (in_init)
sl@0: 				{
sl@0: 				in_init=0;
sl@0: 				if (sess_out)
sl@0: 					{
sl@0: 					BIO *stmp = BIO_new_file(sess_out, "w");
sl@0: 					if (stmp)
sl@0: 						{
sl@0: 						PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
sl@0: 						BIO_free(stmp);
sl@0: 						}
sl@0: 					else 
sl@0: 						BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
sl@0: 					}
sl@0: 				print_stuff(bio_c_out,con,full_log);
sl@0: 				if (full_log > 0) full_log--;
sl@0: 
sl@0: 				if (starttls_proto)
sl@0: 					{
sl@0: 					BIO_printf(bio_err,"%s",mbuf);
sl@0: 					/* We don't need to know any more */
sl@0: 					starttls_proto = PROTO_OFF;
sl@0: 					}
sl@0: 
sl@0: 				if (reconnect)
sl@0: 					{
sl@0: 					reconnect--;
sl@0: 					BIO_printf(bio_c_out,"drop connection and then reconnect\n");
sl@0: 					SSL_shutdown(con);
sl@0: 					SSL_set_connect_state(con);
sl@0: 					SHUTDOWN(SSL_get_fd(con));
sl@0: 					goto re_start;
sl@0: 					}
sl@0: 				}
sl@0: 			}
sl@0: 
sl@0: 		ssl_pending = read_ssl && SSL_pending(con);
sl@0: 
sl@0: 		if (!ssl_pending)
sl@0: 			{
sl@0: #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
sl@0: 			if (tty_on)
sl@0: 				{
sl@0: 				if (read_tty)  FD_SET(fileno(stdin),&readfds);
sl@0: 				if (write_tty) FD_SET(fileno(stdout),&writefds);
sl@0: 				
sl@0: 				}
sl@0: 			if (read_ssl)
sl@0: 				FD_SET(SSL_get_fd(con),&readfds);
sl@0: 			if (write_ssl)
sl@0: 				FD_SET(SSL_get_fd(con),&writefds);
sl@0: #else
sl@0: 			if(!tty_on || !write_tty) {
sl@0: 				if (read_ssl)
sl@0: 					FD_SET(SSL_get_fd(con),&readfds);
sl@0: 				if (write_ssl)
sl@0: 					FD_SET(SSL_get_fd(con),&writefds);
sl@0: 			}
sl@0: #endif
sl@0: /*			printf("mode tty(%d %d%d) ssl(%d%d)\n",
sl@0: 				tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
sl@0: 
sl@0: 			/* Note: under VMS with SOCKETSHR the second parameter
sl@0: 			 * is currently of type (int *) whereas under other
sl@0: 			 * systems it is (void *) if you don't have a cast it
sl@0: 			 * will choke the compiler: if you do have a cast then
sl@0: 			 * you can either go for (int *) or (void *).
sl@0: 			 */
sl@0: #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
sl@0:                         /* Under Windows/DOS we make the assumption that we can
sl@0: 			 * always write to the tty: therefore if we need to
sl@0: 			 * write to the tty we just fall through. Otherwise
sl@0: 			 * we timeout the select every second and see if there
sl@0: 			 * are any keypresses. Note: this is a hack, in a proper
sl@0: 			 * Windows application we wouldn't do this.
sl@0: 			 */
sl@0: 			i=0;
sl@0: 			if(!write_tty) {
sl@0: 				if(read_tty) {
sl@0: 					tv.tv_sec = 1;
sl@0: 					tv.tv_usec = 0;
sl@0: 					i=select(width,(void *)&readfds,(void *)&writefds,
sl@0: 						 NULL,&tv);
sl@0: #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
sl@0: 					if(!i && (!_kbhit() || !read_tty) ) continue;
sl@0: #else
sl@0: 					if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
sl@0: #endif
sl@0: 				} else 	i=select(width,(void *)&readfds,(void *)&writefds,
sl@0: 					 NULL,NULL);
sl@0: 			}
sl@0: #elif defined(OPENSSL_SYS_NETWARE)
sl@0: 			if(!write_tty) {
sl@0: 				if(read_tty) {
sl@0: 					tv.tv_sec = 1;
sl@0: 					tv.tv_usec = 0;
sl@0: 					i=select(width,(void *)&readfds,(void *)&writefds,
sl@0: 						NULL,&tv);
sl@0: 				} else 	i=select(width,(void *)&readfds,(void *)&writefds,
sl@0: 					NULL,NULL);
sl@0: 			}
sl@0: #else
sl@0: 			i=select(width,(void *)&readfds,(void *)&writefds,
sl@0: 				 NULL,NULL);
sl@0: #endif
sl@0: 			if ( i < 0)
sl@0: 				{
sl@0: 				BIO_printf(bio_err,"bad select %d\n",
sl@0: 				get_last_socket_error());
sl@0: 				goto shut;
sl@0: 				/* goto end; */
sl@0: 				}
sl@0: 			}
sl@0: 
sl@0: 		if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
sl@0: 			{
sl@0: 			k=SSL_write(con,&(cbuf[cbuf_off]),
sl@0: 				(unsigned int)cbuf_len);
sl@0: 			switch (SSL_get_error(con,k))
sl@0: 				{
sl@0: 			case SSL_ERROR_NONE:
sl@0: 				cbuf_off+=k;
sl@0: 				cbuf_len-=k;
sl@0: 				if (k <= 0) goto end;
sl@0: 				/* we have done a  write(con,NULL,0); */
sl@0: 				if (cbuf_len <= 0)
sl@0: 					{
sl@0: 					read_tty=1;
sl@0: 					write_ssl=0;
sl@0: 					}
sl@0: 				else /* if (cbuf_len > 0) */
sl@0: 					{
sl@0: 					read_tty=0;
sl@0: 					write_ssl=1;
sl@0: 					}
sl@0: 				break;
sl@0: 			case SSL_ERROR_WANT_WRITE:
sl@0: 				BIO_printf(bio_c_out,"write W BLOCK\n");
sl@0: 				write_ssl=1;
sl@0: 				read_tty=0;
sl@0: 				break;
sl@0: 			case SSL_ERROR_WANT_READ:
sl@0: 				BIO_printf(bio_c_out,"write R BLOCK\n");
sl@0: 				write_tty=0;
sl@0: 				read_ssl=1;
sl@0: 				write_ssl=0;
sl@0: 				break;
sl@0: 			case SSL_ERROR_WANT_X509_LOOKUP:
sl@0: 				BIO_printf(bio_c_out,"write X BLOCK\n");
sl@0: 				break;
sl@0: 			case SSL_ERROR_ZERO_RETURN:
sl@0: 				if (cbuf_len != 0)
sl@0: 					{
sl@0: 					BIO_printf(bio_c_out,"shutdown\n");
sl@0: 					goto shut;
sl@0: 					}
sl@0: 				else
sl@0: 					{
sl@0: 					read_tty=1;
sl@0: 					write_ssl=0;
sl@0: 					break;
sl@0: 					}
sl@0: 				
sl@0: 			case SSL_ERROR_SYSCALL:
sl@0: 				if ((k != 0) || (cbuf_len != 0))
sl@0: 					{
sl@0: 					BIO_printf(bio_err,"write:errno=%d\n",
sl@0: 						get_last_socket_error());
sl@0: 					goto shut;
sl@0: 					}
sl@0: 				else
sl@0: 					{
sl@0: 					read_tty=1;
sl@0: 					write_ssl=0;
sl@0: 					}
sl@0: 				break;
sl@0: 			case SSL_ERROR_SSL:
sl@0: 				ERR_print_errors(bio_err);
sl@0: 				goto shut;
sl@0: 				}
sl@0: 			}
sl@0: #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
sl@0: 		/* Assume Windows/DOS can always write */
sl@0: 		else if (!ssl_pending && write_tty)
sl@0: #else
sl@0: 
sl@0: 		else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
sl@0: 
sl@0: #endif
sl@0: 			{
sl@0: #ifdef CHARSET_EBCDIC
sl@0: 			ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
sl@0: #endif
sl@0: 
sl@0: 			i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
sl@0: 
sl@0: 			if (i <= 0)
sl@0: 				{
sl@0: 				BIO_printf(bio_c_out,"DONE\n");
sl@0: 				goto shut;
sl@0: 				/* goto end; */
sl@0: 				}
sl@0: 
sl@0: 			sbuf_len-=i;;
sl@0: 			sbuf_off+=i;
sl@0: 			if (sbuf_len <= 0)
sl@0: 				{
sl@0: 				read_ssl=1;
sl@0: 				write_tty=0;
sl@0: 				}
sl@0: 			}
sl@0: 		else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
sl@0: 			{
sl@0: #ifdef RENEG
sl@0: { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
sl@0: #endif
sl@0: #if 1
sl@0: 			k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
sl@0: #else
sl@0: /* Demo for pending and peek :-) */
sl@0: 			k=SSL_read(con,sbuf,16);
sl@0: { char zbuf[10240]; 
sl@0: printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
sl@0: 
sl@0: }
sl@0: #endif
sl@0: 
sl@0: 			switch (SSL_get_error(con,k))
sl@0: 				{
sl@0: 			case SSL_ERROR_NONE:
sl@0: 				if (k <= 0)
sl@0: 					goto end;
sl@0: 				sbuf_off=0;
sl@0: 				sbuf_len=k;
sl@0: 
sl@0: 				read_ssl=0;
sl@0: 				write_tty=1;
sl@0: 				break;
sl@0: 			case SSL_ERROR_WANT_WRITE:
sl@0: 				BIO_printf(bio_c_out,"read W BLOCK\n");
sl@0: 				write_ssl=1;
sl@0: 				read_tty=0;
sl@0: 				break;
sl@0: 			case SSL_ERROR_WANT_READ:
sl@0: 				BIO_printf(bio_c_out,"read R BLOCK\n");
sl@0: 				write_tty=0;
sl@0: 				read_ssl=1;
sl@0: 				if ((read_tty == 0) && (write_ssl == 0))
sl@0: 					write_ssl=1;
sl@0: 				break;
sl@0: 			case SSL_ERROR_WANT_X509_LOOKUP:
sl@0: 				BIO_printf(bio_c_out,"read X BLOCK\n");
sl@0: 				break;
sl@0: 			case SSL_ERROR_SYSCALL:
sl@0: 				BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
sl@0: 				goto shut;
sl@0: 			case SSL_ERROR_ZERO_RETURN:
sl@0: 				BIO_printf(bio_c_out,"closed\n");
sl@0: 				goto shut;
sl@0: 			case SSL_ERROR_SSL:
sl@0: 				ERR_print_errors(bio_err);
sl@0: 				goto shut;
sl@0: 				/* break; */
sl@0: 				}
sl@0: 			}
sl@0: 
sl@0: #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
sl@0: #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
sl@0: 		else if (_kbhit())
sl@0: #else
sl@0: 		else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
sl@0: #endif
sl@0: #elif defined (OPENSSL_SYS_NETWARE)
sl@0:         else if (_kbhit())
sl@0: #else
sl@0: 		else if (FD_ISSET(fileno(stdin),&readfds))
sl@0: 		
sl@0: #endif
sl@0: 			{
sl@0: 			if (crlf)
sl@0: 				{
sl@0: 				int j, lf_num;
sl@0: 				i=read(fileno(stdin),cbuf,BUFSIZZ/2);
sl@0: 				
sl@0: 				lf_num = 0;
sl@0: 				/* both loops are skipped when i <= 0 */
sl@0: 				for (j = 0; j < i; j++)
sl@0: 					if (cbuf[j] == '\n')
sl@0: 						lf_num++;
sl@0: 				for (j = i-1; j >= 0; j--)
sl@0: 					{
sl@0: 					cbuf[j+lf_num] = cbuf[j];
sl@0: 					if (cbuf[j] == '\n')
sl@0: 						{
sl@0: 						lf_num--;
sl@0: 						i++;
sl@0: 						cbuf[j+lf_num] = '\r';
sl@0: 						}
sl@0: 					}
sl@0: 				assert(lf_num == 0);
sl@0: 				}
sl@0: 			else
sl@0: 				i=read(fileno(stdin),cbuf,BUFSIZZ);
sl@0: 
sl@0: 			if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
sl@0: 				{
sl@0: 				BIO_printf(bio_err,"DONE\n");
sl@0: 				goto shut;
sl@0: 				}
sl@0: 
sl@0: 			if ((!c_ign_eof) && (cbuf[0] == 'R'))
sl@0: 				{
sl@0: 				BIO_printf(bio_err,"RENEGOTIATING\n");
sl@0: 				SSL_renegotiate(con);
sl@0: 				cbuf_len=0;
sl@0: 				}
sl@0: 			else
sl@0: 				{
sl@0: 				cbuf_len=i;
sl@0: 				cbuf_off=0;
sl@0: #ifdef CHARSET_EBCDIC
sl@0: 				ebcdic2ascii(cbuf, cbuf, i);
sl@0: #endif
sl@0: 				}
sl@0: 
sl@0: 			write_ssl=1;
sl@0: 			read_tty=0;
sl@0: 			}
sl@0: 		}
sl@0: shut:
sl@0: 	SSL_shutdown(con);
sl@0: 	SHUTDOWN(SSL_get_fd(con));
sl@0: 	ret=0;
sl@0: end:
sl@0: 	if(prexit) print_stuff(bio_c_out,con,1);
sl@0: 	if (con != NULL) SSL_free(con);
sl@0: 	if (con2 != NULL) SSL_free(con2);
sl@0: 	if (ctx != NULL) SSL_CTX_free(ctx);
sl@0: 	if (cert)
sl@0: 		X509_free(cert);
sl@0: 	if (key)
sl@0: 		EVP_PKEY_free(key);
sl@0: 	if (pass)
sl@0: 		OPENSSL_free(pass);
sl@0: 	if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
sl@0: 	if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
sl@0: 	if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
sl@0: 	if (bio_c_out != NULL)
sl@0: 		{
sl@0: 		BIO_free(bio_c_out);
sl@0: 		bio_c_out=NULL;
sl@0: 		}
sl@0: 	apps_shutdown();
sl@0: 	OPENSSL_EXIT(ret);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: static void print_stuff(BIO *bio, SSL *s, int full)
sl@0: 	{
sl@0: 	X509 *peer=NULL;
sl@0: 	char *p;
sl@0: 	static const char *space="                ";
sl@0: 	char buf[BUFSIZ];
sl@0: 	STACK_OF(X509) *sk;
sl@0: 	STACK_OF(X509_NAME) *sk2;
sl@0: 	SSL_CIPHER *c;
sl@0: 	X509_NAME *xn;
sl@0: 	int j,i;
sl@0: #ifndef OPENSSL_NO_COMP
sl@0: 	const COMP_METHOD *comp, *expansion;
sl@0: #endif
sl@0: 
sl@0: 	if (full)
sl@0: 		{
sl@0: 		int got_a_chain = 0;
sl@0: 
sl@0: 		sk=SSL_get_peer_cert_chain(s);
sl@0: 		if (sk != NULL)
sl@0: 			{
sl@0: 			got_a_chain = 1; /* we don't have it for SSL2 (yet) */
sl@0: 
sl@0: 			BIO_printf(bio,"---\nCertificate chain\n");
sl@0: 			for (i=0; i<sk_X509_num(sk); i++)
sl@0: 				{
sl@0: 				X509_NAME_oneline(X509_get_subject_name(
sl@0: 					sk_X509_value(sk,i)),buf,sizeof buf);
sl@0: 				BIO_printf(bio,"%2d s:%s\n",i,buf);
sl@0: 				X509_NAME_oneline(X509_get_issuer_name(
sl@0: 					sk_X509_value(sk,i)),buf,sizeof buf);
sl@0: 				BIO_printf(bio,"   i:%s\n",buf);
sl@0: 				if (c_showcerts)
sl@0: 					PEM_write_bio_X509(bio,sk_X509_value(sk,i));
sl@0: 				}
sl@0: 			}
sl@0: 
sl@0: 		BIO_printf(bio,"---\n");
sl@0: 		peer=SSL_get_peer_certificate(s);
sl@0: 		if (peer != NULL)
sl@0: 			{
sl@0: 			BIO_printf(bio,"Server certificate\n");
sl@0: 			if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
sl@0: 				PEM_write_bio_X509(bio,peer);
sl@0: 			X509_NAME_oneline(X509_get_subject_name(peer),
sl@0: 				buf,sizeof buf);
sl@0: 			BIO_printf(bio,"subject=%s\n",buf);
sl@0: 			X509_NAME_oneline(X509_get_issuer_name(peer),
sl@0: 				buf,sizeof buf);
sl@0: 			BIO_printf(bio,"issuer=%s\n",buf);
sl@0: 			}
sl@0: 		else
sl@0: 			BIO_printf(bio,"no peer certificate available\n");
sl@0: 
sl@0: 		sk2=SSL_get_client_CA_list(s);
sl@0: 		if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
sl@0: 			{
sl@0: 			BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
sl@0: 			for (i=0; i<sk_X509_NAME_num(sk2); i++)
sl@0: 				{
sl@0: 				xn=sk_X509_NAME_value(sk2,i);
sl@0: 				X509_NAME_oneline(xn,buf,sizeof(buf));
sl@0: 				BIO_write(bio,buf,strlen(buf));
sl@0: 				BIO_write(bio,"\n",1);
sl@0: 				}
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			BIO_printf(bio,"---\nNo client certificate CA names sent\n");
sl@0: 			}
sl@0: 		p=SSL_get_shared_ciphers(s,buf,sizeof buf);
sl@0: 		if (p != NULL)
sl@0: 			{
sl@0: 			/* This works only for SSL 2.  In later protocol
sl@0: 			 * versions, the client does not know what other
sl@0: 			 * ciphers (in addition to the one to be used
sl@0: 			 * in the current connection) the server supports. */
sl@0: 
sl@0: 			BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
sl@0: 			j=i=0;
sl@0: 			while (*p)
sl@0: 				{
sl@0: 				if (*p == ':')
sl@0: 					{
sl@0: 					BIO_write(bio,space,15-j%25);
sl@0: 					i++;
sl@0: 					j=0;
sl@0: 					BIO_write(bio,((i%3)?" ":"\n"),1);
sl@0: 					}
sl@0: 				else
sl@0: 					{
sl@0: 					BIO_write(bio,p,1);
sl@0: 					j++;
sl@0: 					}
sl@0: 				p++;
sl@0: 				}
sl@0: 			BIO_write(bio,"\n",1);
sl@0: 			}
sl@0: 
sl@0: 		BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
sl@0: 			BIO_number_read(SSL_get_rbio(s)),
sl@0: 			BIO_number_written(SSL_get_wbio(s)));
sl@0: 		}
sl@0: 	BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
sl@0: 	c=SSL_get_current_cipher(s);
sl@0: 	BIO_printf(bio,"%s, Cipher is %s\n",
sl@0: 		SSL_CIPHER_get_version(c),
sl@0: 		SSL_CIPHER_get_name(c));
sl@0: 	if (peer != NULL) {
sl@0: 		EVP_PKEY *pktmp;
sl@0: 		pktmp = X509_get_pubkey(peer);
sl@0: 		BIO_printf(bio,"Server public key is %d bit\n",
sl@0: 							 EVP_PKEY_bits(pktmp));
sl@0: 		EVP_PKEY_free(pktmp);
sl@0: 	}
sl@0: #ifndef OPENSSL_NO_COMP
sl@0: 	comp=SSL_get_current_compression(s);
sl@0: 	expansion=SSL_get_current_expansion(s);
sl@0: 	BIO_printf(bio,"Compression: %s\n",
sl@0: 		comp ? SSL_COMP_get_name(comp) : "NONE");
sl@0: 	BIO_printf(bio,"Expansion: %s\n",
sl@0: 		expansion ? SSL_COMP_get_name(expansion) : "NONE");
sl@0: #endif
sl@0: 	SSL_SESSION_print(bio,SSL_get_session(s));
sl@0: 	BIO_printf(bio,"---\n");
sl@0: 	if (peer != NULL)
sl@0: 		X509_free(peer);
sl@0: 	/* flush, or debugging output gets mixed with http response */
sl@0: 	(void)BIO_flush(bio);
sl@0: 	}
sl@0: