1052 lines
28 KiB
C
1052 lines
28 KiB
C
/* apps/s_client.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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/* ====================================================================
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* Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <openssl/e_os2.h>
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#ifdef OPENSSL_NO_STDIO
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#define APPS_WIN16
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#endif
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/* With IPv6, it looks like Digital has mixed up the proper order of
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recursive header file inclusion, resulting in the compiler complaining
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that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
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is needed to have fileno() declared correctly... So let's define u_int */
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#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
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#define __U_INT
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typedef unsigned int u_int;
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#endif
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#define USE_SOCKETS
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#include "apps.h"
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#include <openssl/x509.h>
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#include <openssl/ssl.h>
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#include <openssl/err.h>
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#include <openssl/pem.h>
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#include <openssl/rand.h>
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#include "s_apps.h"
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#ifdef OPENSSL_SYS_WINDOWS
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#include <conio.h>
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#endif
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#ifdef OPENSSL_SYS_WINCE
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/* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
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#ifdef fileno
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#undef fileno
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#endif
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#define fileno(a) (int)_fileno(a)
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#endif
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#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
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/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
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#undef FIONBIO
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#endif
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#undef PROG
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#define PROG s_client_main
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/*#define SSL_HOST_NAME "www.netscape.com" */
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/*#define SSL_HOST_NAME "193.118.187.102" */
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#define SSL_HOST_NAME "localhost"
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/*#define TEST_CERT "client.pem" */ /* no default cert. */
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#undef BUFSIZZ
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#define BUFSIZZ 1024*8
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extern int verify_depth;
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extern int verify_error;
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#ifdef FIONBIO
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static int c_nbio=0;
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#endif
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static int c_Pause=0;
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static int c_debug=0;
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static int c_msg=0;
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static int c_showcerts=0;
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static void sc_usage(void);
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static void print_stuff(BIO *berr,SSL *con,int full);
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static BIO *bio_c_out=NULL;
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static int c_quiet=0;
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static int c_ign_eof=0;
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static void sc_usage(void)
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{
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BIO_printf(bio_err,"usage: s_client args\n");
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BIO_printf(bio_err,"\n");
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BIO_printf(bio_err," -host host - use -connect instead\n");
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BIO_printf(bio_err," -port port - use -connect instead\n");
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BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
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BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
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BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
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BIO_printf(bio_err," -key arg - Private key file to use, PEM format assumed, in cert file if\n");
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BIO_printf(bio_err," not specified but cert file is.\n");
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BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
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BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
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BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
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BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
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BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
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BIO_printf(bio_err," -debug - extra output\n");
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BIO_printf(bio_err," -msg - Show protocol messages\n");
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BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
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BIO_printf(bio_err," -state - print the 'ssl' states\n");
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#ifdef FIONBIO
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BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
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#endif
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BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
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BIO_printf(bio_err," -quiet - no s_client output\n");
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BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
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BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
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BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
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BIO_printf(bio_err," -tls1 - just use TLSv1\n");
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BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
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BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
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BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
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BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
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BIO_printf(bio_err," command to see what is available\n");
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BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
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BIO_printf(bio_err," for those protocols that support it, where\n");
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BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
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BIO_printf(bio_err," only \"smtp\" is supported.\n");
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#ifndef OPENSSL_NO_ENGINE
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BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
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#endif
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BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
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}
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int MAIN(int, char **);
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int MAIN(int argc, char **argv)
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{
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int off=0;
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SSL *con=NULL,*con2=NULL;
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X509_STORE *store = NULL;
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int s,k,width,state=0;
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char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
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int cbuf_len,cbuf_off;
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int sbuf_len,sbuf_off;
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fd_set readfds,writefds;
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short port=PORT;
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int full_log=1;
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char *host=SSL_HOST_NAME;
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char *cert_file=NULL,*key_file=NULL;
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char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
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int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
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int crlf=0;
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int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
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SSL_CTX *ctx=NULL;
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int ret=1,in_init=1,i,nbio_test=0;
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int smtp_starttls = 0;
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int prexit = 0, vflags = 0;
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SSL_METHOD *meth=NULL;
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BIO *sbio;
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char *inrand=NULL;
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#ifndef OPENSSL_NO_ENGINE
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char *engine_id=NULL;
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ENGINE *e=NULL;
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#endif
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#ifdef OPENSSL_SYS_WINDOWS
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struct timeval tv;
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#endif
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#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
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meth=SSLv23_client_method();
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#elif !defined(OPENSSL_NO_SSL3)
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meth=SSLv3_client_method();
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#elif !defined(OPENSSL_NO_SSL2)
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meth=SSLv2_client_method();
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#endif
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apps_startup();
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c_Pause=0;
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c_quiet=0;
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c_ign_eof=0;
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c_debug=0;
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c_msg=0;
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c_showcerts=0;
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if (bio_err == NULL)
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bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
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if (!load_config(bio_err, NULL))
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goto end;
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if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
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((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
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((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
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{
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BIO_printf(bio_err,"out of memory\n");
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goto end;
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}
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verify_depth=0;
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verify_error=X509_V_OK;
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#ifdef FIONBIO
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c_nbio=0;
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#endif
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argc--;
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argv++;
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while (argc >= 1)
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{
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if (strcmp(*argv,"-host") == 0)
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{
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if (--argc < 1) goto bad;
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host= *(++argv);
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}
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else if (strcmp(*argv,"-port") == 0)
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{
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if (--argc < 1) goto bad;
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port=atoi(*(++argv));
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if (port == 0) goto bad;
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}
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else if (strcmp(*argv,"-connect") == 0)
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{
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if (--argc < 1) goto bad;
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if (!extract_host_port(*(++argv),&host,NULL,&port))
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goto bad;
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}
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else if (strcmp(*argv,"-verify") == 0)
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{
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verify=SSL_VERIFY_PEER;
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if (--argc < 1) goto bad;
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verify_depth=atoi(*(++argv));
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BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
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}
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else if (strcmp(*argv,"-cert") == 0)
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{
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if (--argc < 1) goto bad;
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cert_file= *(++argv);
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}
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else if (strcmp(*argv,"-crl_check") == 0)
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vflags |= X509_V_FLAG_CRL_CHECK;
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else if (strcmp(*argv,"-crl_check_all") == 0)
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vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
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else if (strcmp(*argv,"-prexit") == 0)
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prexit=1;
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else if (strcmp(*argv,"-crlf") == 0)
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crlf=1;
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else if (strcmp(*argv,"-quiet") == 0)
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{
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c_quiet=1;
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c_ign_eof=1;
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}
|
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else if (strcmp(*argv,"-ign_eof") == 0)
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c_ign_eof=1;
|
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else if (strcmp(*argv,"-pause") == 0)
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c_Pause=1;
|
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else if (strcmp(*argv,"-debug") == 0)
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c_debug=1;
|
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else if (strcmp(*argv,"-msg") == 0)
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c_msg=1;
|
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else if (strcmp(*argv,"-showcerts") == 0)
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c_showcerts=1;
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else if (strcmp(*argv,"-nbio_test") == 0)
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nbio_test=1;
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else if (strcmp(*argv,"-state") == 0)
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state=1;
|
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#ifndef OPENSSL_NO_SSL2
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else if (strcmp(*argv,"-ssl2") == 0)
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meth=SSLv2_client_method();
|
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#endif
|
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#ifndef OPENSSL_NO_SSL3
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else if (strcmp(*argv,"-ssl3") == 0)
|
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meth=SSLv3_client_method();
|
|
#endif
|
|
#ifndef OPENSSL_NO_TLS1
|
|
else if (strcmp(*argv,"-tls1") == 0)
|
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meth=TLSv1_client_method();
|
|
#endif
|
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else if (strcmp(*argv,"-bugs") == 0)
|
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bugs=1;
|
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else if (strcmp(*argv,"-key") == 0)
|
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{
|
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if (--argc < 1) goto bad;
|
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key_file= *(++argv);
|
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}
|
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else if (strcmp(*argv,"-reconnect") == 0)
|
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{
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reconnect=5;
|
|
}
|
|
else if (strcmp(*argv,"-CApath") == 0)
|
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{
|
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if (--argc < 1) goto bad;
|
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CApath= *(++argv);
|
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}
|
|
else if (strcmp(*argv,"-CAfile") == 0)
|
|
{
|
|
if (--argc < 1) goto bad;
|
|
CAfile= *(++argv);
|
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}
|
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else if (strcmp(*argv,"-no_tls1") == 0)
|
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off|=SSL_OP_NO_TLSv1;
|
|
else if (strcmp(*argv,"-no_ssl3") == 0)
|
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off|=SSL_OP_NO_SSLv3;
|
|
else if (strcmp(*argv,"-no_ssl2") == 0)
|
|
off|=SSL_OP_NO_SSLv2;
|
|
else if (strcmp(*argv,"-serverpref") == 0)
|
|
off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
|
|
else if (strcmp(*argv,"-cipher") == 0)
|
|
{
|
|
if (--argc < 1) goto bad;
|
|
cipher= *(++argv);
|
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}
|
|
#ifdef FIONBIO
|
|
else if (strcmp(*argv,"-nbio") == 0)
|
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{ c_nbio=1; }
|
|
#endif
|
|
else if (strcmp(*argv,"-starttls") == 0)
|
|
{
|
|
if (--argc < 1) goto bad;
|
|
++argv;
|
|
if (strcmp(*argv,"smtp") == 0)
|
|
smtp_starttls = 1;
|
|
else
|
|
goto bad;
|
|
}
|
|
#ifndef OPENSSL_NO_ENGINE
|
|
else if (strcmp(*argv,"-engine") == 0)
|
|
{
|
|
if (--argc < 1) goto bad;
|
|
engine_id = *(++argv);
|
|
}
|
|
#endif
|
|
else if (strcmp(*argv,"-rand") == 0)
|
|
{
|
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if (--argc < 1) goto bad;
|
|
inrand= *(++argv);
|
|
}
|
|
else
|
|
{
|
|
BIO_printf(bio_err,"unknown option %s\n",*argv);
|
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badop=1;
|
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break;
|
|
}
|
|
argc--;
|
|
argv++;
|
|
}
|
|
if (badop)
|
|
{
|
|
bad:
|
|
sc_usage();
|
|
goto end;
|
|
}
|
|
|
|
OpenSSL_add_ssl_algorithms();
|
|
SSL_load_error_strings();
|
|
|
|
#ifndef OPENSSL_NO_ENGINE
|
|
e = setup_engine(bio_err, engine_id, 1);
|
|
#endif
|
|
|
|
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 (bugs)
|
|
SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
|
|
else
|
|
SSL_CTX_set_options(ctx,off);
|
|
|
|
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_stuff(ctx,cert_file,key_file))
|
|
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; */
|
|
}
|
|
|
|
store = SSL_CTX_get_cert_store(ctx);
|
|
X509_STORE_set_flags(store, vflags);
|
|
|
|
con=SSL_new(ctx);
|
|
#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"); */
|
|
|
|
re_start:
|
|
|
|
if (init_client(&s,host,port) == 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;
|
|
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_cb);
|
|
BIO_set_callback_arg(sbio,bio_c_out);
|
|
}
|
|
if (c_msg)
|
|
{
|
|
SSL_set_msg_callback(con, msg_cb);
|
|
SSL_set_msg_callback_arg(con, bio_c_out);
|
|
}
|
|
|
|
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 */
|
|
if (smtp_starttls)
|
|
{
|
|
BIO_read(sbio,mbuf,BUFSIZZ);
|
|
BIO_printf(sbio,"STARTTLS\r\n");
|
|
BIO_read(sbio,sbuf,BUFSIZZ);
|
|
}
|
|
|
|
for (;;)
|
|
{
|
|
FD_ZERO(&readfds);
|
|
FD_ZERO(&writefds);
|
|
|
|
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;
|
|
print_stuff(bio_c_out,con,full_log);
|
|
if (full_log > 0) full_log--;
|
|
|
|
if (smtp_starttls)
|
|
{
|
|
BIO_printf(bio_err,"%s",mbuf);
|
|
/* We don't need to know any more */
|
|
smtp_starttls = 0;
|
|
}
|
|
|
|
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)
|
|
{
|
|
#ifndef OPENSSL_SYS_WINDOWS
|
|
if (tty_on)
|
|
{
|
|
if (read_tty) FD_SET(fileno(stdin),&readfds);
|
|
if (write_tty) FD_SET(fileno(stdout),&writefds);
|
|
}
|
|
if (read_ssl)
|
|
FD_SET(SSL_get_fd(con),&readfds);
|
|
if (write_ssl)
|
|
FD_SET(SSL_get_fd(con),&writefds);
|
|
#else
|
|
if(!tty_on || !write_tty) {
|
|
if (read_ssl)
|
|
FD_SET(SSL_get_fd(con),&readfds);
|
|
if (write_ssl)
|
|
FD_SET(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 *).
|
|
*/
|
|
#ifdef OPENSSL_SYS_WINDOWS
|
|
/* Under Windows 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);
|
|
#ifdef OPENSSL_SYS_WINCE
|
|
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,NULL);
|
|
}
|
|
#else
|
|
i=select(width,(void *)&readfds,(void *)&writefds,
|
|
NULL,NULL);
|
|
#endif
|
|
if ( i < 0)
|
|
{
|
|
BIO_printf(bio_err,"bad select %d\n",
|
|
get_last_socket_error());
|
|
goto shut;
|
|
/* goto end; */
|
|
}
|
|
}
|
|
|
|
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");
|
|
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)
|
|
/* Assume Windows/DOS 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=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
|
|
|
|
if (i <= 0)
|
|
{
|
|
BIO_printf(bio_c_out,"DONE\n");
|
|
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:
|
|
BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
|
|
goto shut;
|
|
case SSL_ERROR_ZERO_RETURN:
|
|
BIO_printf(bio_c_out,"closed\n");
|
|
goto shut;
|
|
case SSL_ERROR_SSL:
|
|
ERR_print_errors(bio_err);
|
|
goto shut;
|
|
/* break; */
|
|
}
|
|
}
|
|
|
|
#ifdef OPENSSL_SYS_WINDOWS
|
|
#ifdef OPENSSL_SYS_WINCE
|
|
else if (_kbhit())
|
|
#else
|
|
else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
|
|
#endif
|
|
#else
|
|
else if (FD_ISSET(fileno(stdin),&readfds))
|
|
#endif
|
|
{
|
|
if (crlf)
|
|
{
|
|
int j, lf_num;
|
|
|
|
i=read(fileno(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=read(fileno(stdin),cbuf,BUFSIZZ);
|
|
|
|
if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
|
|
{
|
|
BIO_printf(bio_err,"DONE\n");
|
|
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;
|
|
}
|
|
}
|
|
shut:
|
|
SSL_shutdown(con);
|
|
SHUTDOWN(SSL_get_fd(con));
|
|
ret=0;
|
|
end:
|
|
if(prexit) print_stuff(bio_c_out,con,1);
|
|
if (con != NULL) SSL_free(con);
|
|
if (con2 != NULL) SSL_free(con2);
|
|
if (ctx != NULL) SSL_CTX_free(ctx);
|
|
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 char *space=" ";
|
|
char buf[BUFSIZ];
|
|
STACK_OF(X509) *sk;
|
|
STACK_OF(X509_NAME) *sk2;
|
|
SSL_CIPHER *c;
|
|
X509_NAME *xn;
|
|
int j,i;
|
|
|
|
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);
|
|
}
|
|
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 */
|
|
BIO_flush(bio);
|
|
}
|
|
|