s_client.c 55.0 KB
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/* apps/s_client.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */
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/* ====================================================================
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 * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
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 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    openssl-core@openssl.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */
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/* ====================================================================
 * Copyright 2005 Nokia. All rights reserved.
 *
 * The portions of the attached software ("Contribution") is developed by
 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 * license.
 *
 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 * support (see RFC 4279) to OpenSSL.
 *
 * No patent licenses or other rights except those expressly stated in
 * the OpenSSL open source license shall be deemed granted or received
 * expressly, by implication, estoppel, or otherwise.
 *
 * No assurances are provided by Nokia that the Contribution does not
 * infringe the patent or other intellectual property rights of any third
 * party or that the license provides you with all the necessary rights
 * to make use of the Contribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 * OTHERWISE.
 */
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#include <assert.h>
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#include <ctype.h>
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
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#include <openssl/e_os2.h>
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#ifdef OPENSSL_NO_STDIO
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#define APPS_WIN16
#endif

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

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

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

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#undef PROG
#define PROG	s_client_main

/*#define SSL_HOST_NAME	"www.netscape.com" */
/*#define SSL_HOST_NAME	"193.118.187.102" */
#define SSL_HOST_NAME	"localhost"

/*#define TEST_CERT "client.pem" */ /* no default cert. */

#undef BUFSIZZ
#define BUFSIZZ 1024*8

extern int verify_depth;
extern int verify_error;
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extern int verify_return_error;
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#ifdef FIONBIO
static int c_nbio=0;
#endif
static int c_Pause=0;
static int c_debug=0;
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#ifndef OPENSSL_NO_TLSEXT
static int c_tlsextdebug=0;
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static int c_status_req=0;
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#endif
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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);
static void print_stuff(BIO *berr,SSL *con,int full);
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#ifndef OPENSSL_NO_TLSEXT
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static int ocsp_resp_cb(SSL *s, void *arg);
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#endif
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static BIO *bio_c_out=NULL;
static int c_quiet=0;
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static int c_ign_eof=0;
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#ifndef OPENSSL_NO_PSK
/* Default PSK identity and key */
static char *psk_identity="Client_identity";
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/*char *psk_key=NULL;  by default PSK is not used */
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static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
	unsigned int max_identity_len, unsigned char *psk,
	unsigned int max_psk_len)
	{
	unsigned int psk_len = 0;
	int ret;
        BIGNUM *bn=NULL;

	if (c_debug)
		BIO_printf(bio_c_out, "psk_client_cb\n");
	if (!hint)
                {
                /* no ServerKeyExchange message*/
		if (c_debug)
			BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
                }
        else if (c_debug)
		BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);

	/* lookup PSK identity and PSK key based on the given identity hint here */
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	ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
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	if (ret < 0 || (unsigned int)ret > max_identity_len)
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		goto out_err;
	if (c_debug)
		BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
        ret=BN_hex2bn(&bn, psk_key);
        if (!ret)
                {
                BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
                if (bn)
                        BN_free(bn);
                return 0;
                }

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        if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
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                {
                BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
                        max_psk_len, BN_num_bytes(bn));
                BN_free(bn);
                return 0;
                }

        psk_len=BN_bn2bin(bn, psk);
        BN_free(bn);
        if (psk_len == 0)
                goto out_err;

	if (c_debug)
		BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);

        return psk_len;
 out_err:
	if (c_debug)
		BIO_printf(bio_err, "Error in PSK client callback\n");
        return 0;
	}
#endif

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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");
	BIO_printf(bio_err," -host host     - use -connect instead\n");
	BIO_printf(bio_err," -port port     - use -connect instead\n");
	BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);

	BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
	BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
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	BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
	BIO_printf(bio_err," -key arg      - Private key file to use, in cert file if\n");
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	BIO_printf(bio_err,"                 not specified but cert file is.\n");
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	BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
	BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
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	BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
	BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
	BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
	BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
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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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#ifdef WATT32
	BIO_printf(bio_err," -wdebug       - WATT-32 tcp debugging\n");
#endif
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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");
	BIO_printf(bio_err," -state        - print the 'ssl' states\n");
#ifdef FIONBIO
	BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
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#endif
	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," -no_ign_eof   - don't ignore input eof\n");
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#ifndef OPENSSL_NO_PSK
	BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
	BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
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# ifndef OPENSSL_NO_JPAKE
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	BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
# endif
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#endif
#ifndef OPENSSL_NO_SRP
	BIO_printf(bio_err," -srpuser user     - SRP authentification for 'user'\n");
	BIO_printf(bio_err," -srppass arg      - password for 'user'\n");
	BIO_printf(bio_err," -srp_lateuser     - SRP username into second ClientHello message\n");
	BIO_printf(bio_err," -srp_moregroups   - Tolerate other than the known g N values.\n");
	BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
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#endif
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	BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
	BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
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	BIO_printf(bio_err," -tls1_1       - just use TLSv1.1\n");
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	BIO_printf(bio_err," -tls1         - just use TLSv1\n");
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	BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");    
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	BIO_printf(bio_err," -mtu          - set the link layer MTU\n");
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	BIO_printf(bio_err," -no_tls1_1/-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");
	BIO_printf(bio_err,"                 for those protocols that support it, where\n");
	BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
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	BIO_printf(bio_err,"                 only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
	BIO_printf(bio_err,"                 are 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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	BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
	BIO_printf(bio_err," -sess_in arg  - file to read SSL session from\n");
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#ifndef OPENSSL_NO_TLSEXT
	BIO_printf(bio_err," -servername host  - Set TLS extension servername in ClientHello\n");
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	BIO_printf(bio_err," -tlsextdebug      - hex dump of all TLS extensions received\n");
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	BIO_printf(bio_err," -status           - request certificate status from server\n");
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	BIO_printf(bio_err," -no_ticket        - disable use of RFC4507bis session tickets\n");
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# ifndef OPENSSL_NO_NEXTPROTONEG
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	BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
# endif
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#endif
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	BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
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	}

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#ifndef OPENSSL_NO_TLSEXT

/* This is a context that we pass to callbacks */
typedef struct tlsextctx_st {
   BIO * biodebug;
   int ack;
} tlsextctx;


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static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
	{
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	tlsextctx * p = (tlsextctx *) arg;
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	const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
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	if (SSL_get_servername_type(s) != -1) 
 	        p->ack = !SSL_session_reused(s) && hn != NULL;
	else 
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		BIO_printf(bio_err,"Can't use SSL_get_servername\n");
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	return SSL_TLSEXT_ERR_OK;
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	}
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#ifndef OPENSSL_NO_SRP

/* This is a context that we pass to all callbacks */
typedef struct srp_arg_st
	{
	char *srppassin;
	char *srplogin;
	int msg;   /* copy from c_msg */
	int debug; /* copy from c_debug */
	int amp;   /* allow more groups */
	int strength /* minimal size for N */ ;
	} SRP_ARG;

#define SRP_NUMBER_ITERATIONS_FOR_PRIME 64

static int SRP_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
	{
	BN_CTX *bn_ctx = BN_CTX_new();
	BIGNUM *p = BN_new();
	BIGNUM *r = BN_new();
	int ret =
		g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
		BN_is_prime(N,SRP_NUMBER_ITERATIONS_FOR_PRIME,NULL,bn_ctx,NULL) &&
		p != NULL && BN_rshift1(p, N) &&

		/* p = (N-1)/2 */
		BN_is_prime(p,SRP_NUMBER_ITERATIONS_FOR_PRIME,NULL,bn_ctx,NULL) &&
		r != NULL &&

		/* verify g^((N-1)/2) == -1 (mod N) */
		BN_mod_exp(r, g, p, N, bn_ctx) &&
		BN_add_word(r, 1) &&
		BN_cmp(r, N) == 0;

	if(r)
		BN_free(r);
	if(p)
		BN_free(p);
	if(bn_ctx)
		BN_CTX_free(bn_ctx);
	return ret;
	}

static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
	{
	SRP_ARG *srp_arg = (SRP_ARG *)arg;
	BIGNUM *N = NULL, *g = NULL;
	if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
		return 0;
	if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
		{
    		BIO_printf(bio_err, "SRP parameters:\n"); 
		BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
		BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
		BIO_printf(bio_err,"\n");
		}

	if (SRP_check_known_gN_param(g,N))
		return 1;

	if (srp_arg->amp == 1)
		{
		if (srp_arg->debug)
			BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");

/* The srp_moregroups must be used with caution, testing primes costs time. 
   Implementors should rather add the value to the known ones.
   The minimal size has already been tested.
*/
		if (BN_num_bits(g) <= BN_BITS && SRP_Verify_N_and_g(N,g))
			return 1;
		}	
	BIO_printf(bio_err, "SRP param N and g rejected.\n");
	return 0;
	}

#define PWD_STRLEN 1024

static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
	{
	SRP_ARG *srp_arg = (SRP_ARG *)arg;
	char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
	PW_CB_DATA cb_tmp;
	int l;

	cb_tmp.password = (char *)srp_arg->srppassin;
	cb_tmp.prompt_info = "SRP user";
	if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
		{
		BIO_printf (bio_err, "Can't read Password\n");
		OPENSSL_free(pass);
		return NULL;
		}
	*(pass+l)= '\0';

	return pass;
	}

static char * MS_CALLBACK missing_srp_username_callback(SSL *s, void *arg)
	{
	SRP_ARG *srp_arg = (SRP_ARG *)arg;
	return BUF_strdup(srp_arg->srplogin);
	}

#endif

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# ifndef OPENSSL_NO_NEXTPROTONEG
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/* This the context that we pass to next_proto_cb */
typedef struct tlsextnextprotoctx_st {
	unsigned char *data;
	unsigned short len;
	int status;
} tlsextnextprotoctx;

static tlsextnextprotoctx next_proto;

static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
	{
	tlsextnextprotoctx *ctx = arg;

	if (!c_quiet)
		{
		/* We can assume that |in| is syntactically valid. */
		unsigned i;
		BIO_printf(bio_c_out, "Protocols advertised by server: ");
		for (i = 0; i < inlen; )
			{
			if (i)
				BIO_write(bio_c_out, ", ", 2);
			BIO_write(bio_c_out, &in[i + 1], in[i]);
			i += in[i] + 1;
			}
		BIO_write(bio_c_out, "\n", 1);
		}

	ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
	return SSL_TLSEXT_ERR_OK;
	}
B
Ben Laurie 已提交
522
# endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
523 524
#endif

525 526 527 528 529 530
enum
{
	PROTO_OFF	= 0,
	PROTO_SMTP,
	PROTO_POP3,
	PROTO_IMAP,
B
Ben Laurie 已提交
531
	PROTO_FTP,
D
Dr. Stephen Henson 已提交
532
	PROTO_XMPP
533 534
};

535 536
int MAIN(int, char **);

U
Ulf Möller 已提交
537
int MAIN(int argc, char **argv)
538
	{
539
	unsigned int off=0, clr=0;
540
	SSL *con=NULL;
541
	int s,k,width,state=0;
542
	char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
543 544 545 546 547 548 549
	int cbuf_len,cbuf_off;
	int sbuf_len,sbuf_off;
	fd_set readfds,writefds;
	short port=PORT;
	int full_log=1;
	char *host=SSL_HOST_NAME;
	char *cert_file=NULL,*key_file=NULL;
D
PR: 910  
Dr. Stephen Henson 已提交
550 551 552 553
	int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
	char *passarg = NULL, *pass = NULL;
	X509 *cert = NULL;
	EVP_PKEY *key = NULL;
554 555
	char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
	int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
556
	int crlf=0;
557
	int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
558 559
	SSL_CTX *ctx=NULL;
	int ret=1,in_init=1,i,nbio_test=0;
560
	int starttls_proto = PROTO_OFF;
561 562 563
	int prexit = 0;
	X509_VERIFY_PARAM *vpm = NULL;
	int badarg = 0;
564
	const SSL_METHOD *meth=NULL;
B
Bodo Möller 已提交
565
	int socket_type=SOCK_STREAM;
566
	BIO *sbio;
567
	char *inrand=NULL;
568
	int mbuf_len=0;
D
Dr. Stephen Henson 已提交
569
	struct timeval timeout, *timeoutp;
570
#ifndef OPENSSL_NO_ENGINE
571
	char *engine_id=NULL;
572
	char *ssl_client_engine_id=NULL;
D
Dr. Stephen Henson 已提交
573
	ENGINE *ssl_client_engine=NULL;
574
#endif
D
Dr. Stephen Henson 已提交
575
	ENGINE *e=NULL;
U
Ulf Möller 已提交
576
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
577
	struct timeval tv;
U
Ulf Möller 已提交
578 579 580
#if defined(OPENSSL_SYS_BEOS_R5)
	int stdin_set = 0;
#endif
581
#endif
582 583 584 585
#ifndef OPENSSL_NO_TLSEXT
	char *servername = NULL; 
        tlsextctx tlsextcbp = 
        {NULL,0};
B
Ben Laurie 已提交
586
# ifndef OPENSSL_NO_NEXTPROTONEG
B
Ben Laurie 已提交
587 588
	const char *next_proto_neg_in = NULL;
# endif
589
#endif
590 591
	char *sess_in = NULL;
	char *sess_out = NULL;
B
Ben Laurie 已提交
592
	struct sockaddr peer;
593
	int peerlen = sizeof(peer);
B
Ben Laurie 已提交
594
	int enable_timeouts = 0 ;
B
Bodo Möller 已提交
595
	long socket_mtu = 0;
D
Dr. Stephen Henson 已提交
596
#ifndef OPENSSL_NO_JPAKE
B
Ben Laurie 已提交
597
	char *jpake_secret = NULL;
D
Dr. Stephen Henson 已提交
598
#endif
B
Ben Laurie 已提交
599 600 601 602 603
#ifndef OPENSSL_NO_SRP
	char * srppass = NULL;
	int srp_lateuser = 0;
	SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
#endif
B
Ben Laurie 已提交
604

605
#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
606
	meth=SSLv23_client_method();
607
#elif !defined(OPENSSL_NO_SSL3)
608
	meth=SSLv3_client_method();
609
#elif !defined(OPENSSL_NO_SSL2)
610 611 612 613
	meth=SSLv2_client_method();
#endif

	apps_startup();
614
	c_Pause=0;
615
	c_quiet=0;
616
	c_ign_eof=0;
617
	c_debug=0;
618
	c_msg=0;
619
	c_showcerts=0;
620 621 622 623

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

D
Dr. Stephen Henson 已提交
624 625 626
	if (!load_config(bio_err, NULL))
		goto end;

627
	if (	((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
628 629
		((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
		((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673
		{
		BIO_printf(bio_err,"out of memory\n");
		goto end;
		}

	verify_depth=0;
	verify_error=X509_V_OK;
#ifdef FIONBIO
	c_nbio=0;
#endif

	argc--;
	argv++;
	while (argc >= 1)
		{
		if	(strcmp(*argv,"-host") == 0)
			{
			if (--argc < 1) goto bad;
			host= *(++argv);
			}
		else if	(strcmp(*argv,"-port") == 0)
			{
			if (--argc < 1) goto bad;
			port=atoi(*(++argv));
			if (port == 0) goto bad;
			}
		else if (strcmp(*argv,"-connect") == 0)
			{
			if (--argc < 1) goto bad;
			if (!extract_host_port(*(++argv),&host,NULL,&port))
				goto bad;
			}
		else if	(strcmp(*argv,"-verify") == 0)
			{
			verify=SSL_VERIFY_PEER;
			if (--argc < 1) goto bad;
			verify_depth=atoi(*(++argv));
			BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
			}
		else if	(strcmp(*argv,"-cert") == 0)
			{
			if (--argc < 1) goto bad;
			cert_file= *(++argv);
			}
674 675 676 677 678 679 680 681 682 683
		else if	(strcmp(*argv,"-sess_out") == 0)
			{
			if (--argc < 1) goto bad;
			sess_out = *(++argv);
			}
		else if	(strcmp(*argv,"-sess_in") == 0)
			{
			if (--argc < 1) goto bad;
			sess_in = *(++argv);
			}
D
PR: 910  
Dr. Stephen Henson 已提交
684 685 686 687 688
		else if	(strcmp(*argv,"-certform") == 0)
			{
			if (--argc < 1) goto bad;
			cert_format = str2fmt(*(++argv));
			}
689 690 691 692 693 694
		else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
			{
			if (badarg)
				goto bad;
			continue;
			}
695 696
		else if (strcmp(*argv,"-verify_return_error") == 0)
			verify_return_error = 1;
697 698
		else if	(strcmp(*argv,"-prexit") == 0)
			prexit=1;
699 700
		else if	(strcmp(*argv,"-crlf") == 0)
			crlf=1;
701
		else if	(strcmp(*argv,"-quiet") == 0)
702
			{
703
			c_quiet=1;
704 705 706 707
			c_ign_eof=1;
			}
		else if	(strcmp(*argv,"-ign_eof") == 0)
			c_ign_eof=1;
708 709
		else if	(strcmp(*argv,"-no_ign_eof") == 0)
			c_ign_eof=0;
710 711 712 713
		else if	(strcmp(*argv,"-pause") == 0)
			c_Pause=1;
		else if	(strcmp(*argv,"-debug") == 0)
			c_debug=1;
714 715 716
#ifndef OPENSSL_NO_TLSEXT
		else if	(strcmp(*argv,"-tlsextdebug") == 0)
			c_tlsextdebug=1;
717 718
		else if	(strcmp(*argv,"-status") == 0)
			c_status_req=1;
719
#endif
A
Andy Polyakov 已提交
720 721 722 723
#ifdef WATT32
		else if (strcmp(*argv,"-wdebug") == 0)
			dbug_init();
#endif
724 725
		else if	(strcmp(*argv,"-msg") == 0)
			c_msg=1;
726 727
		else if	(strcmp(*argv,"-showcerts") == 0)
			c_showcerts=1;
728 729 730 731
		else if	(strcmp(*argv,"-nbio_test") == 0)
			nbio_test=1;
		else if	(strcmp(*argv,"-state") == 0)
			state=1;
732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752
#ifndef OPENSSL_NO_PSK
                else if (strcmp(*argv,"-psk_identity") == 0)
			{
			if (--argc < 1) goto bad;
			psk_identity=*(++argv);
			}
                else if (strcmp(*argv,"-psk") == 0)
			{
                        size_t j;

			if (--argc < 1) goto bad;
			psk_key=*(++argv);
			for (j = 0; j < strlen(psk_key); j++)
                                {
                                if (isxdigit((int)psk_key[j]))
                                        continue;
                                BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
                                goto bad;
                                }
			}
#endif
B
Ben Laurie 已提交
753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783
#ifndef OPENSSL_NO_SRP
		else if (strcmp(*argv,"-srpuser") == 0)
			{
			if (--argc < 1) goto bad;
			srp_arg.srplogin= *(++argv);
			meth=TLSv1_client_method();
			}
		else if (strcmp(*argv,"-srppass") == 0)
			{
			if (--argc < 1) goto bad;
			srppass= *(++argv);
			meth=TLSv1_client_method();
			}
		else if (strcmp(*argv,"-srp_strength") == 0)
			{
			if (--argc < 1) goto bad;
			srp_arg.strength=atoi(*(++argv));
			BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
			meth=TLSv1_client_method();
			}
		else if (strcmp(*argv,"-srp_lateuser") == 0)
			{
			srp_lateuser= 1;
			meth=TLSv1_client_method();
			}
		else if	(strcmp(*argv,"-srp_moregroups") == 0)
			{
			srp_arg.amp=1;
			meth=TLSv1_client_method();
			}
#endif
784
#ifndef OPENSSL_NO_SSL2
785 786 787
		else if	(strcmp(*argv,"-ssl2") == 0)
			meth=SSLv2_client_method();
#endif
788
#ifndef OPENSSL_NO_SSL3
789 790
		else if	(strcmp(*argv,"-ssl3") == 0)
			meth=SSLv3_client_method();
791
#endif
792
#ifndef OPENSSL_NO_TLS1
793 794
		else if	(strcmp(*argv,"-tls1_1") == 0)
			meth=TLSv1_1_client_method();
795 796
		else if	(strcmp(*argv,"-tls1") == 0)
			meth=TLSv1_client_method();
B
Ben Laurie 已提交
797 798 799 800 801
#endif
#ifndef OPENSSL_NO_DTLS1
		else if	(strcmp(*argv,"-dtls1") == 0)
			{
			meth=DTLSv1_client_method();
B
Bodo Möller 已提交
802
			socket_type=SOCK_DGRAM;
B
Ben Laurie 已提交
803 804 805 806 807 808
			}
		else if (strcmp(*argv,"-timeout") == 0)
			enable_timeouts=1;
		else if (strcmp(*argv,"-mtu") == 0)
			{
			if (--argc < 1) goto bad;
B
Bodo Möller 已提交
809
			socket_mtu = atol(*(++argv));
B
Ben Laurie 已提交
810
			}
811 812 813
#endif
		else if (strcmp(*argv,"-bugs") == 0)
			bugs=1;
D
PR: 910  
Dr. Stephen Henson 已提交
814 815 816 817 818 819 820 821 822 823
		else if	(strcmp(*argv,"-keyform") == 0)
			{
			if (--argc < 1) goto bad;
			key_format = str2fmt(*(++argv));
			}
		else if	(strcmp(*argv,"-pass") == 0)
			{
			if (--argc < 1) goto bad;
			passarg = *(++argv);
			}
824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842
		else if	(strcmp(*argv,"-key") == 0)
			{
			if (--argc < 1) goto bad;
			key_file= *(++argv);
			}
		else if	(strcmp(*argv,"-reconnect") == 0)
			{
			reconnect=5;
			}
		else if	(strcmp(*argv,"-CApath") == 0)
			{
			if (--argc < 1) goto bad;
			CApath= *(++argv);
			}
		else if	(strcmp(*argv,"-CAfile") == 0)
			{
			if (--argc < 1) goto bad;
			CAfile= *(++argv);
			}
843 844
		else if (strcmp(*argv,"-no_tls1_1") == 0)
			off|=SSL_OP_NO_TLSv1_1;
845 846 847 848 849 850
		else if (strcmp(*argv,"-no_tls1") == 0)
			off|=SSL_OP_NO_TLSv1;
		else if (strcmp(*argv,"-no_ssl3") == 0)
			off|=SSL_OP_NO_SSLv3;
		else if (strcmp(*argv,"-no_ssl2") == 0)
			off|=SSL_OP_NO_SSLv2;
851 852
		else if	(strcmp(*argv,"-no_comp") == 0)
			{ off|=SSL_OP_NO_COMPRESSION; }
853 854 855
#ifndef OPENSSL_NO_TLSEXT
		else if	(strcmp(*argv,"-no_ticket") == 0)
			{ off|=SSL_OP_NO_TICKET; }
B
Ben Laurie 已提交
856
# ifndef OPENSSL_NO_NEXTPROTONEG
B
Ben Laurie 已提交
857 858 859 860 861 862
		else if (strcmp(*argv,"-nextprotoneg") == 0)
			{
			if (--argc < 1) goto bad;
			next_proto_neg_in = *(++argv);
			}
# endif
863
#endif
864 865
		else if (strcmp(*argv,"-serverpref") == 0)
			off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
866 867
		else if (strcmp(*argv,"-legacy_renegotiation") == 0)
			off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
868 869 870 871
		else if	(strcmp(*argv,"-legacy_server_connect") == 0)
			{ off|=SSL_OP_LEGACY_SERVER_CONNECT; }
		else if	(strcmp(*argv,"-no_legacy_server_connect") == 0)
			{ clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
872 873 874 875 876 877 878 879 880
		else if	(strcmp(*argv,"-cipher") == 0)
			{
			if (--argc < 1) goto bad;
			cipher= *(++argv);
			}
#ifdef FIONBIO
		else if (strcmp(*argv,"-nbio") == 0)
			{ c_nbio=1; }
#endif
881 882 883 884 885
		else if	(strcmp(*argv,"-starttls") == 0)
			{
			if (--argc < 1) goto bad;
			++argv;
			if (strcmp(*argv,"smtp") == 0)
886
				starttls_proto = PROTO_SMTP;
887
			else if (strcmp(*argv,"pop3") == 0)
888 889 890 891 892
				starttls_proto = PROTO_POP3;
			else if (strcmp(*argv,"imap") == 0)
				starttls_proto = PROTO_IMAP;
			else if (strcmp(*argv,"ftp") == 0)
				starttls_proto = PROTO_FTP;
B
Ben Laurie 已提交
893 894
			else if (strcmp(*argv, "xmpp") == 0)
				starttls_proto = PROTO_XMPP;
895 896 897
			else
				goto bad;
			}
898
#ifndef OPENSSL_NO_ENGINE
899 900 901 902 903
		else if	(strcmp(*argv,"-engine") == 0)
			{
			if (--argc < 1) goto bad;
			engine_id = *(++argv);
			}
904 905 906 907 908
		else if	(strcmp(*argv,"-ssl_client_engine") == 0)
			{
			if (--argc < 1) goto bad;
			ssl_client_engine_id = *(++argv);
			}
909
#endif
910 911 912 913 914
		else if (strcmp(*argv,"-rand") == 0)
			{
			if (--argc < 1) goto bad;
			inrand= *(++argv);
			}
915 916 917 918 919 920 921 922
#ifndef OPENSSL_NO_TLSEXT
		else if (strcmp(*argv,"-servername") == 0)
			{
			if (--argc < 1) goto bad;
			servername= *(++argv);
			/* meth=TLSv1_client_method(); */
			}
#endif
D
Dr. Stephen Henson 已提交
923
#ifndef OPENSSL_NO_JPAKE
B
Ben Laurie 已提交
924 925 926 927 928
		else if (strcmp(*argv,"-jpake") == 0)
			{
			if (--argc < 1) goto bad;
			jpake_secret = *++argv;
			}
D
Dr. Stephen Henson 已提交
929
#endif
930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945
		else
			{
			BIO_printf(bio_err,"unknown option %s\n",*argv);
			badop=1;
			break;
			}
		argc--;
		argv++;
		}
	if (badop)
		{
bad:
		sc_usage();
		goto end;
		}

D
Dr. Stephen Henson 已提交
946
#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965
	if (jpake_secret)
		{
		if (psk_key)
			{
			BIO_printf(bio_err,
				   "Can't use JPAKE and PSK together\n");
			goto end;
			}
		psk_identity = "JPAKE";
		}

	if (cipher)
		{
		BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
		goto end;
		}
	cipher = "PSK";
#endif

966 967 968
	OpenSSL_add_ssl_algorithms();
	SSL_load_error_strings();

B
Ben Laurie 已提交
969
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
B
Ben Laurie 已提交
970 971 972 973 974 975 976 977 978 979 980 981 982 983
	next_proto.status = -1;
	if (next_proto_neg_in)
		{
		next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
		if (next_proto.data == NULL)
			{
			BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
			goto end;
			}
		}
	else
		next_proto.data = NULL;
#endif

984
#ifndef OPENSSL_NO_ENGINE
985
        e = setup_engine(bio_err, engine_id, 1);
986 987 988 989 990 991 992 993 994 995 996
	if (ssl_client_engine_id)
		{
		ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
		if (!ssl_client_engine)
			{
			BIO_printf(bio_err,
					"Error getting client auth engine\n");
			goto end;
			}
		}

997
#endif
D
PR: 910  
Dr. Stephen Henson 已提交
998 999 1000 1001 1002 1003 1004 1005 1006
	if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
		{
		BIO_printf(bio_err, "Error getting password\n");
		goto end;
		}

	if (key_file == NULL)
		key_file = cert_file;

1007 1008 1009

	if (key_file)

D
PR: 910  
Dr. Stephen Henson 已提交
1010
		{
1011 1012 1013 1014 1015 1016 1017 1018 1019

		key = load_key(bio_err, key_file, key_format, 0, pass, e,
			       "client certificate private key file");
		if (!key)
			{
			ERR_print_errors(bio_err);
			goto end;
			}

D
PR: 910  
Dr. Stephen Henson 已提交
1020 1021
		}

1022
	if (cert_file)
D
PR: 910  
Dr. Stephen Henson 已提交
1023 1024

		{
1025 1026 1027 1028 1029 1030 1031 1032
		cert = load_cert(bio_err,cert_file,cert_format,
				NULL, e, "client certificate file");

		if (!cert)
			{
			ERR_print_errors(bio_err);
			goto end;
			}
D
PR: 910  
Dr. Stephen Henson 已提交
1033
		}
1034

1035 1036 1037 1038 1039 1040 1041 1042
	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));
1043

1044 1045
	if (bio_c_out == NULL)
		{
1046
		if (c_quiet && !c_debug && !c_msg)
1047 1048 1049 1050 1051 1052 1053 1054 1055 1056
			{
			bio_c_out=BIO_new(BIO_s_null());
			}
		else
			{
			if (bio_c_out == NULL)
				bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
			}
		}

B
Ben Laurie 已提交
1057 1058 1059 1060 1061 1062 1063 1064
#ifndef OPENSSL_NO_SRP
	if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
		{
		BIO_printf(bio_err, "Error getting password\n");
		goto end;
		}
#endif

1065 1066 1067 1068 1069 1070 1071
	ctx=SSL_CTX_new(meth);
	if (ctx == NULL)
		{
		ERR_print_errors(bio_err);
		goto end;
		}

1072 1073 1074
	if (vpm)
		SSL_CTX_set1_param(ctx, vpm);

1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088
#ifndef OPENSSL_NO_ENGINE
	if (ssl_client_engine)
		{
		if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
			{
			BIO_puts(bio_err, "Error setting client auth engine\n");
			ERR_print_errors(bio_err);
			ENGINE_free(ssl_client_engine);
			goto end;
			}
		ENGINE_free(ssl_client_engine);
		}
#endif

1089
#ifndef OPENSSL_NO_PSK
D
Dr. Stephen Henson 已提交
1090 1091 1092
#ifdef OPENSSL_NO_JPAKE
	if (psk_key != NULL)
#else
1093
	if (psk_key != NULL || jpake_secret)
D
Dr. Stephen Henson 已提交
1094
#endif
1095 1096
		{
		if (c_debug)
1097
			BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1098 1099 1100
		SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
		}
#endif
1101 1102 1103 1104
	if (bugs)
		SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
	else
		SSL_CTX_set_options(ctx,off);
1105 1106 1107

	if (clr)
		SSL_CTX_clear_options(ctx, clr);
B
Ben Laurie 已提交
1108 1109 1110
	/* DTLS: partial reads end up discarding unread UDP bytes :-( 
	 * Setting read ahead solves this problem.
	 */
B
Bodo Möller 已提交
1111
	if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1112

B
Ben Laurie 已提交
1113
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
B
Ben Laurie 已提交
1114 1115 1116 1117
	if (next_proto.data)
		SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
#endif

1118 1119
	if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
	if (cipher != NULL)
1120
		if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
U
Ulf Möller 已提交
1121
		BIO_printf(bio_err,"error setting cipher list\n");
1122 1123 1124
		ERR_print_errors(bio_err);
		goto end;
	}
1125 1126 1127 1128 1129 1130
#if 0
	else
		SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
#endif

	SSL_CTX_set_verify(ctx,verify,verify_callback);
D
PR: 910  
Dr. Stephen Henson 已提交
1131
	if (!set_cert_key_stuff(ctx,cert,key))
1132 1133 1134 1135 1136
		goto end;

	if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
		(!SSL_CTX_set_default_verify_paths(ctx)))
		{
U
Ulf Möller 已提交
1137
		/* BIO_printf(bio_err,"error setting default verify locations\n"); */
1138
		ERR_print_errors(bio_err);
1139
		/* goto end; */
1140 1141
		}

1142
#ifndef OPENSSL_NO_TLSEXT
B
Bodo Möller 已提交
1143 1144
	if (servername != NULL)
		{
1145 1146 1147
		tlsextcbp.biodebug = bio_err;
		SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
		SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
B
Bodo Möller 已提交
1148
		}
B
Ben Laurie 已提交
1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168
#ifndef OPENSSL_NO_SRP
        if (srp_arg.srplogin)
		{
		if (srp_lateuser) 
			SSL_CTX_set_srp_missing_srp_username_callback(ctx,missing_srp_username_callback);
		else if (!SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
			{
			BIO_printf(bio_err,"Unable to set SRP username\n");
			goto end;
			}
		srp_arg.msg = c_msg;
		srp_arg.debug = c_debug ;
		SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
		SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
		SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
		if (c_msg || c_debug || srp_arg.amp == 0)
			SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
		}

#endif
1169
#endif
1170

D
 
Dr. Stephen Henson 已提交
1171
	con=SSL_new(ctx);
1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194
	if (sess_in)
		{
		SSL_SESSION *sess;
		BIO *stmp = BIO_new_file(sess_in, "r");
		if (!stmp)
			{
			BIO_printf(bio_err, "Can't open session file %s\n",
						sess_in);
			ERR_print_errors(bio_err);
			goto end;
			}
		sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
		BIO_free(stmp);
		if (!sess)
			{
			BIO_printf(bio_err, "Can't open session file %s\n",
						sess_in);
			ERR_print_errors(bio_err);
			goto end;
			}
		SSL_set_session(con, sess);
		SSL_SESSION_free(sess);
		}
1195
#ifndef OPENSSL_NO_TLSEXT
B
Bodo Möller 已提交
1196 1197
	if (servername != NULL)
		{
B
Bodo Möller 已提交
1198
		if (!SSL_set_tlsext_host_name(con,servername))
B
Bodo Möller 已提交
1199
			{
1200 1201 1202
			BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
			ERR_print_errors(bio_err);
			goto end;
B
Bodo Möller 已提交
1203
			}
1204 1205
		}
#endif
1206
#ifndef OPENSSL_NO_KRB5
1207 1208 1209 1210
	if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
                {
                kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
		}
1211
#endif	/* OPENSSL_NO_KRB5  */
1212
/*	SSL_set_cipher_list(con,"RC4-MD5"); */
1213 1214
#if 0
#ifdef TLSEXT_TYPE_opaque_prf_input
1215
	SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1216 1217
#endif
#endif
1218 1219 1220

re_start:

B
Bodo Möller 已提交
1221
	if (init_client(&s,host,port,socket_type) == 0)
1222
		{
1223
		BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1224 1225 1226 1227 1228 1229 1230 1231 1232 1233
		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");
1234 1235 1236 1237 1238
		if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
			{
			ERR_print_errors(bio_err);
			goto end;
			}
1239 1240 1241
		}
#endif                                              
	if (c_Pause & 0x01) con->debug=1;
B
Ben Laurie 已提交
1242 1243 1244 1245 1246

	if ( SSL_version(con) == DTLS1_VERSION)
		{

		sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1247
		if (getsockname(s, &peer, (void *)&peerlen) < 0)
B
Ben Laurie 已提交
1248 1249 1250 1251 1252 1253 1254
			{
			BIO_printf(bio_err, "getsockname:errno=%d\n",
				get_last_socket_error());
			SHUTDOWN(s);
			goto end;
			}

D
Dr. Stephen Henson 已提交
1255
		(void)BIO_ctrl_set_connected(sbio, 1, &peer);
B
Ben Laurie 已提交
1256

B
Bodo Möller 已提交
1257
		if (enable_timeouts)
B
Ben Laurie 已提交
1258 1259 1260 1261 1262 1263 1264 1265 1266 1267
			{
			timeout.tv_sec = 0;
			timeout.tv_usec = DGRAM_RCV_TIMEOUT;
			BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
			
			timeout.tv_sec = 0;
			timeout.tv_usec = DGRAM_SND_TIMEOUT;
			BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
			}

D
Dr. Stephen Henson 已提交
1268
		if (socket_mtu > 28)
B
Ben Laurie 已提交
1269 1270
			{
			SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
D
Dr. Stephen Henson 已提交
1271
			SSL_set_mtu(con, socket_mtu - 28);
B
Ben Laurie 已提交
1272 1273 1274 1275 1276 1277 1278 1279
			}
		else
			/* want to do MTU discovery */
			BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
		}
	else
		sbio=BIO_new_socket(s,BIO_NOCLOSE);

1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290
	if (nbio_test)
		{
		BIO *test;

		test=BIO_new(BIO_f_nbio_test());
		sbio=BIO_push(test,sbio);
		}

	if (c_debug)
		{
		con->debug=1;
1291
		BIO_set_callback(sbio,bio_dump_callback);
N
Nils Larsch 已提交
1292
		BIO_set_callback_arg(sbio,(char *)bio_c_out);
1293
		}
1294 1295 1296 1297 1298
	if (c_msg)
		{
		SSL_set_msg_callback(con, msg_cb);
		SSL_set_msg_callback_arg(con, bio_c_out);
		}
1299 1300 1301 1302 1303 1304
#ifndef OPENSSL_NO_TLSEXT
	if (c_tlsextdebug)
		{
		SSL_set_tlsext_debug_callback(con, tlsext_cb);
		SSL_set_tlsext_debug_arg(con, bio_c_out);
		}
1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321
	if (c_status_req)
		{
		SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
		SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
		SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
#if 0
{
STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
OCSP_RESPID *id = OCSP_RESPID_new();
id->value.byKey = ASN1_OCTET_STRING_new();
id->type = V_OCSP_RESPID_KEY;
ASN1_STRING_set(id->value.byKey, "Hello World", -1);
sk_OCSP_RESPID_push(ids, id);
SSL_set_tlsext_status_ids(con, ids);
}
#endif
		}
1322
#endif
D
Dr. Stephen Henson 已提交
1323
#ifndef OPENSSL_NO_JPAKE
B
Ben Laurie 已提交
1324 1325
	if (jpake_secret)
		jpake_client_auth(bio_c_out, sbio, jpake_secret);
D
Dr. Stephen Henson 已提交
1326
#endif
B
Ben Laurie 已提交
1327

1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344
	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;

1345
	/* This is an ugly hack that does a lot of assumptions */
1346 1347 1348 1349 1350 1351
	/* We do have to handle multi-line responses which may come
 	   in a single packet or not. We therefore have to use
	   BIO_gets() which does need a buffering BIO. So during
	   the initial chitchat we do push a buffering BIO into the
	   chain that is removed again later on to not disturb the
	   rest of the s_client operation. */
1352
	if (starttls_proto == PROTO_SMTP)
1353
		{
1354
		int foundit=0;
1355 1356
		BIO *fbio = BIO_new(BIO_f_buffer());
		BIO_push(fbio, sbio);
1357 1358 1359
		/* wait for multi-line response to end from SMTP */
		do
			{
1360
			mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1361 1362
			}
		while (mbuf_len>3 && mbuf[3]=='-');
1363
		/* STARTTLS command requires EHLO... */
1364
		BIO_printf(fbio,"EHLO openssl.client.net\r\n");
D
Dr. Stephen Henson 已提交
1365
		(void)BIO_flush(fbio);
1366 1367 1368
		/* wait for multi-line response to end EHLO SMTP response */
		do
			{
1369
			mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1370 1371 1372 1373
			if (strstr(mbuf,"STARTTLS"))
				foundit=1;
			}
		while (mbuf_len>3 && mbuf[3]=='-');
D
Dr. Stephen Henson 已提交
1374
		(void)BIO_flush(fbio);
1375 1376
		BIO_pop(fbio);
		BIO_free(fbio);
1377 1378 1379 1380
		if (!foundit)
			BIO_printf(bio_err,
				   "didn't found starttls in server response,"
				   " try anyway...\n");
1381 1382 1383
		BIO_printf(sbio,"STARTTLS\r\n");
		BIO_read(sbio,sbuf,BUFSIZZ);
		}
1384
	else if (starttls_proto == PROTO_POP3)
1385 1386 1387 1388 1389
		{
		BIO_read(sbio,mbuf,BUFSIZZ);
		BIO_printf(sbio,"STLS\r\n");
		BIO_read(sbio,sbuf,BUFSIZZ);
		}
1390 1391
	else if (starttls_proto == PROTO_IMAP)
		{
1392
		int foundit=0;
1393 1394 1395
		BIO *fbio = BIO_new(BIO_f_buffer());
		BIO_push(fbio, sbio);
		BIO_gets(fbio,mbuf,BUFSIZZ);
1396
		/* STARTTLS command requires CAPABILITY... */
1397
		BIO_printf(fbio,". CAPABILITY\r\n");
D
Dr. Stephen Henson 已提交
1398
		(void)BIO_flush(fbio);
1399 1400 1401
		/* wait for multi-line CAPABILITY response */
		do
			{
1402
			mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1403 1404 1405
			if (strstr(mbuf,"STARTTLS"))
				foundit=1;
			}
1406
		while (mbuf_len>3 && mbuf[0]!='.');
D
Dr. Stephen Henson 已提交
1407
		(void)BIO_flush(fbio);
1408 1409
		BIO_pop(fbio);
		BIO_free(fbio);
1410 1411 1412 1413 1414
		if (!foundit)
			BIO_printf(bio_err,
				   "didn't found STARTTLS in server response,"
				   " try anyway...\n");
		BIO_printf(sbio,". STARTTLS\r\n");
1415 1416 1417 1418
		BIO_read(sbio,sbuf,BUFSIZZ);
		}
	else if (starttls_proto == PROTO_FTP)
		{
1419 1420
		BIO *fbio = BIO_new(BIO_f_buffer());
		BIO_push(fbio, sbio);
1421 1422 1423
		/* wait for multi-line response to end from FTP */
		do
			{
1424
			mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1425 1426
			}
		while (mbuf_len>3 && mbuf[3]=='-');
D
Dr. Stephen Henson 已提交
1427
		(void)BIO_flush(fbio);
1428 1429
		BIO_pop(fbio);
		BIO_free(fbio);
1430 1431 1432
		BIO_printf(sbio,"AUTH TLS\r\n");
		BIO_read(sbio,sbuf,BUFSIZZ);
		}
B
Ben Laurie 已提交
1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454
	if (starttls_proto == PROTO_XMPP)
		{
		int seen = 0;
		BIO_printf(sbio,"<stream:stream "
		    "xmlns:stream='http://etherx.jabber.org/streams' "
		    "xmlns='jabber:client' to='%s' version='1.0'>", host);
		seen = BIO_read(sbio,mbuf,BUFSIZZ);
		mbuf[seen] = 0;
		while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
			{
			if (strstr(mbuf, "/stream:features>"))
				goto shut;
			seen = BIO_read(sbio,mbuf,BUFSIZZ);
			mbuf[seen] = 0;
			}
		BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
		seen = BIO_read(sbio,sbuf,BUFSIZZ);
		sbuf[seen] = 0;
		if (!strstr(sbuf, "<proceed"))
			goto shut;
		mbuf[0] = 0;
		}
1455

1456 1457 1458 1459 1460
	for (;;)
		{
		FD_ZERO(&readfds);
		FD_ZERO(&writefds);

D
Dr. Stephen Henson 已提交
1461 1462 1463 1464 1465 1466
		if ((SSL_version(con) == DTLS1_VERSION) &&
			DTLSv1_get_timeout(con, &timeout))
			timeoutp = &timeout;
		else
			timeoutp = NULL;

1467
		if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1468 1469 1470 1471 1472 1473 1474 1475 1476 1477
			{
			in_init=1;
			tty_on=0;
			}
		else
			{
			tty_on=1;
			if (in_init)
				{
				in_init=0;
1478
#if 0 /* This test doesn't really work as intended (needs to be fixed) */
1479
#ifndef OPENSSL_NO_TLSEXT
1480 1481 1482 1483
				if (servername != NULL && !SSL_session_reused(con))
					{
					BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
					}
1484
#endif
1485
#endif
1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496
				if (sess_out)
					{
					BIO *stmp = BIO_new_file(sess_out, "w");
					if (stmp)
						{
						PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
						BIO_free(stmp);
						}
					else 
						BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
					}
1497 1498 1499
				print_stuff(bio_c_out,con,full_log);
				if (full_log > 0) full_log--;

1500
				if (starttls_proto)
1501 1502 1503
					{
					BIO_printf(bio_err,"%s",mbuf);
					/* We don't need to know any more */
1504
					starttls_proto = PROTO_OFF;
1505 1506
					}

1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518
				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;
					}
				}
			}

1519 1520 1521
		ssl_pending = read_ssl && SSL_pending(con);

		if (!ssl_pending)
1522
			{
U
Ulf Möller 已提交
1523
#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1524 1525
			if (tty_on)
				{
1526 1527
				if (read_tty)  openssl_fdset(fileno(stdin),&readfds);
				if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1528 1529
				}
			if (read_ssl)
1530
				openssl_fdset(SSL_get_fd(con),&readfds);
1531
			if (write_ssl)
1532
				openssl_fdset(SSL_get_fd(con),&writefds);
1533 1534 1535
#else
			if(!tty_on || !write_tty) {
				if (read_ssl)
1536
					openssl_fdset(SSL_get_fd(con),&readfds);
1537
				if (write_ssl)
1538
					openssl_fdset(SSL_get_fd(con),&writefds);
1539 1540
			}
#endif
1541 1542
/*			printf("mode tty(%d %d%d) ssl(%d%d)\n",
				tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1543

U
Ulf Möller 已提交
1544
			/* Note: under VMS with SOCKETSHR the second parameter
U
Ulf Möller 已提交
1545 1546 1547 1548 1549
			 * 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 *).
			 */
1550 1551
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
                        /* Under Windows/DOS we make the assumption that we can
1552 1553 1554 1555 1556 1557
			 * 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.
			 */
U
Ulf Möller 已提交
1558
			i=0;
1559 1560 1561 1562 1563 1564
			if(!write_tty) {
				if(read_tty) {
					tv.tv_sec = 1;
					tv.tv_usec = 0;
					i=select(width,(void *)&readfds,(void *)&writefds,
						 NULL,&tv);
1565
#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
R
Richard Levitte 已提交
1566 1567
					if(!i && (!_kbhit() || !read_tty) ) continue;
#else
1568
					if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
R
Richard Levitte 已提交
1569
#endif
1570
				} else 	i=select(width,(void *)&readfds,(void *)&writefds,
D
Dr. Stephen Henson 已提交
1571
					 NULL,timeoutp);
1572
			}
1573 1574 1575 1576 1577 1578 1579 1580
#elif defined(OPENSSL_SYS_NETWARE)
			if(!write_tty) {
				if(read_tty) {
					tv.tv_sec = 1;
					tv.tv_usec = 0;
					i=select(width,(void *)&readfds,(void *)&writefds,
						NULL,&tv);
				} else 	i=select(width,(void *)&readfds,(void *)&writefds,
D
Dr. Stephen Henson 已提交
1581
					NULL,timeoutp);
1582
			}
U
Ulf Möller 已提交
1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598
#elif defined(OPENSSL_SYS_BEOS_R5)
			/* Under BeOS-R5 the situation is similar to DOS */
			i=0;
			stdin_set = 0;
			(void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
			if(!write_tty) {
				if(read_tty) {
					tv.tv_sec = 1;
					tv.tv_usec = 0;
					i=select(width,(void *)&readfds,(void *)&writefds,
						 NULL,&tv);
					if (read(fileno(stdin), sbuf, 0) >= 0)
						stdin_set = 1;
					if (!i && (stdin_set != 1 || !read_tty))
						continue;
				} else 	i=select(width,(void *)&readfds,(void *)&writefds,
D
Dr. Stephen Henson 已提交
1599
					 NULL,timeoutp);
U
Ulf Möller 已提交
1600 1601
			}
			(void)fcntl(fileno(stdin), F_SETFL, 0);
1602
#else
U
Ulf Möller 已提交
1603
			i=select(width,(void *)&readfds,(void *)&writefds,
D
Dr. Stephen Henson 已提交
1604
				 NULL,timeoutp);
1605
#endif
1606 1607 1608
			if ( i < 0)
				{
				BIO_printf(bio_err,"bad select %d\n",
1609
				get_last_socket_error());
1610 1611 1612
				goto shut;
				/* goto end; */
				}
1613 1614
			}

D
Dr. Stephen Henson 已提交
1615 1616 1617 1618 1619
		if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
			{
			BIO_printf(bio_err,"TIMEOUT occured\n");
			}

1620
		if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659
			{
			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");
1660
					ret = 0;
1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673
					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",
1674
						get_last_socket_error());
1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687
					goto shut;
					}
				else
					{
					read_tty=1;
					write_ssl=0;
					}
				break;
			case SSL_ERROR_SSL:
				ERR_print_errors(bio_err);
				goto shut;
				}
			}
U
Ulf Möller 已提交
1688 1689
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
		/* Assume Windows/DOS/BeOS can always write */
1690 1691
		else if (!ssl_pending && write_tty)
#else
1692
		else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1693
#endif
1694
			{
1695 1696 1697
#ifdef CHARSET_EBCDIC
			ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
#endif
1698
			i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1699 1700 1701 1702

			if (i <= 0)
				{
				BIO_printf(bio_c_out,"DONE\n");
1703
				ret = 0;
1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715
				goto shut;
				/* goto end; */
				}

			sbuf_len-=i;;
			sbuf_off+=i;
			if (sbuf_len <= 0)
				{
				read_ssl=1;
				write_tty=0;
				}
			}
1716
		else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1717
			{
1718 1719 1720
#ifdef RENEG
{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
#endif
1721
#if 1
1722
			k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1723 1724 1725 1726 1727 1728 1729
#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
1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757

			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:
1758 1759
				ret=get_last_socket_error();
				BIO_printf(bio_err,"read:errno=%d\n",ret);
1760 1761 1762
				goto shut;
			case SSL_ERROR_ZERO_RETURN:
				BIO_printf(bio_c_out,"closed\n");
1763
				ret=0;
1764 1765 1766 1767
				goto shut;
			case SSL_ERROR_SSL:
				ERR_print_errors(bio_err);
				goto shut;
1768
				/* break; */
1769 1770 1771
				}
			}

1772 1773
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
R
Richard Levitte 已提交
1774 1775
		else if (_kbhit())
#else
1776
		else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
R
Richard Levitte 已提交
1777
#endif
R
Richard Levitte 已提交
1778
#elif defined (OPENSSL_SYS_NETWARE)
1779
		else if (_kbhit())
U
Ulf Möller 已提交
1780 1781
#elif defined(OPENSSL_SYS_BEOS_R5)
		else if (stdin_set)
1782
#else
1783
		else if (FD_ISSET(fileno(stdin),&readfds))
1784
#endif
1785
			{
1786 1787 1788 1789
			if (crlf)
				{
				int j, lf_num;

1790
				i=raw_read_stdin(cbuf,BUFSIZZ/2);
1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808
				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
1809
				i=raw_read_stdin(cbuf,BUFSIZZ);
1810

1811
			if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1812 1813
				{
				BIO_printf(bio_err,"DONE\n");
1814
				ret=0;
1815 1816 1817
				goto shut;
				}

1818
			if ((!c_ign_eof) && (cbuf[0] == 'R'))
1819
				{
B
Ben Laurie 已提交
1820
				BIO_printf(bio_err,"RENEGOTIATING\n");
1821
				SSL_renegotiate(con);
B
Ben Laurie 已提交
1822
				cbuf_len=0;
1823 1824 1825 1826 1827
				}
			else
				{
				cbuf_len=i;
				cbuf_off=0;
1828 1829 1830
#ifdef CHARSET_EBCDIC
				ebcdic2ascii(cbuf, cbuf, i);
#endif
1831 1832 1833
				}

			write_ssl=1;
B
Ben Laurie 已提交
1834
			read_tty=0;
1835 1836
			}
		}
1837 1838

	ret=0;
1839
shut:
1840 1841
	if (in_init)
		print_stuff(bio_c_out,con,full_log);
1842 1843 1844
	SSL_shutdown(con);
	SHUTDOWN(SSL_get_fd(con));
end:
1845 1846 1847 1848 1849 1850
	if (con != NULL)
		{
		if (prexit != 0)
			print_stuff(bio_c_out,con,1);
		SSL_free(con);
		}
1851
	if (ctx != NULL) SSL_CTX_free(ctx);
D
PR: 910  
Dr. Stephen Henson 已提交
1852 1853 1854 1855 1856 1857
	if (cert)
		X509_free(cert);
	if (key)
		EVP_PKEY_free(key);
	if (pass)
		OPENSSL_free(pass);
1858 1859 1860
	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); }
1861 1862 1863 1864 1865
	if (bio_c_out != NULL)
		{
		BIO_free(bio_c_out);
		bio_c_out=NULL;
		}
1866
	apps_shutdown();
1867
	OPENSSL_EXIT(ret);
1868 1869 1870
	}


U
Ulf Möller 已提交
1871
static void print_stuff(BIO *bio, SSL *s, int full)
1872
	{
1873
	X509 *peer=NULL;
1874
	char *p;
N
Nils Larsch 已提交
1875
	static const char *space="                ";
1876
	char buf[BUFSIZ];
B
Ben Laurie 已提交
1877 1878
	STACK_OF(X509) *sk;
	STACK_OF(X509_NAME) *sk2;
1879
	const SSL_CIPHER *c;
1880 1881
	X509_NAME *xn;
	int j,i;
1882
#ifndef OPENSSL_NO_COMP
G
Geoff Thorpe 已提交
1883
	const COMP_METHOD *comp, *expansion;
1884
#endif
1885 1886 1887

	if (full)
		{
1888 1889
		int got_a_chain = 0;

1890 1891 1892
		sk=SSL_get_peer_cert_chain(s);
		if (sk != NULL)
			{
1893 1894
			got_a_chain = 1; /* we don't have it for SSL2 (yet) */

1895
			BIO_printf(bio,"---\nCertificate chain\n");
B
Ben Laurie 已提交
1896
			for (i=0; i<sk_X509_num(sk); i++)
1897
				{
B
Ben Laurie 已提交
1898
				X509_NAME_oneline(X509_get_subject_name(
1899
					sk_X509_value(sk,i)),buf,sizeof buf);
1900
				BIO_printf(bio,"%2d s:%s\n",i,buf);
B
Ben Laurie 已提交
1901
				X509_NAME_oneline(X509_get_issuer_name(
1902
					sk_X509_value(sk,i)),buf,sizeof buf);
1903
				BIO_printf(bio,"   i:%s\n",buf);
1904
				if (c_showcerts)
B
Ben Laurie 已提交
1905
					PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1906 1907 1908 1909 1910 1911 1912 1913
				}
			}

		BIO_printf(bio,"---\n");
		peer=SSL_get_peer_certificate(s);
		if (peer != NULL)
			{
			BIO_printf(bio,"Server certificate\n");
1914
			if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1915
				PEM_write_bio_X509(bio,peer);
1916
			X509_NAME_oneline(X509_get_subject_name(peer),
1917
				buf,sizeof buf);
1918 1919
			BIO_printf(bio,"subject=%s\n",buf);
			X509_NAME_oneline(X509_get_issuer_name(peer),
1920
				buf,sizeof buf);
1921 1922 1923 1924 1925
			BIO_printf(bio,"issuer=%s\n",buf);
			}
		else
			BIO_printf(bio,"no peer certificate available\n");

B
Ben Laurie 已提交
1926
		sk2=SSL_get_client_CA_list(s);
B
Bodo Möller 已提交
1927
		if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1928 1929
			{
			BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
B
Ben Laurie 已提交
1930
			for (i=0; i<sk_X509_NAME_num(sk2); i++)
1931
				{
B
Ben Laurie 已提交
1932
				xn=sk_X509_NAME_value(sk2,i);
1933 1934 1935 1936 1937 1938 1939 1940 1941
				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");
			}
1942
		p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1943 1944
		if (p != NULL)
			{
B
Bodo Möller 已提交
1945 1946 1947 1948 1949
			/* 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. */

1950 1951 1952 1953 1954 1955
			BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
			j=i=0;
			while (*p)
				{
				if (*p == ':')
					{
1956
					BIO_write(bio,space,15-j%25);
1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979
					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));
1980 1981 1982
	if (peer != NULL) {
		EVP_PKEY *pktmp;
		pktmp = X509_get_pubkey(peer);
1983
		BIO_printf(bio,"Server public key is %d bit\n",
1984 1985 1986
							 EVP_PKEY_bits(pktmp));
		EVP_PKEY_free(pktmp);
	}
1987 1988
	BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
			SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1989
#ifndef OPENSSL_NO_COMP
1990
	comp=SSL_get_current_compression(s);
G
Geoff Thorpe 已提交
1991
	expansion=SSL_get_current_expansion(s);
1992 1993 1994
	BIO_printf(bio,"Compression: %s\n",
		comp ? SSL_COMP_get_name(comp) : "NONE");
	BIO_printf(bio,"Expansion: %s\n",
G
Geoff Thorpe 已提交
1995
		expansion ? SSL_COMP_get_name(expansion) : "NONE");
1996
#endif
B
Ben Laurie 已提交
1997

B
Ben Laurie 已提交
1998
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
B
Ben Laurie 已提交
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
	if (next_proto.status != -1) {
		const unsigned char *proto;
		unsigned int proto_len;
		SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
		BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
		BIO_write(bio, proto, proto_len);
		BIO_write(bio, "\n", 1);
	}
#endif

2009 2010
	SSL_SESSION_print(bio,SSL_get_session(s));
	BIO_printf(bio,"---\n");
2011 2012
	if (peer != NULL)
		X509_free(peer);
2013
	/* flush, or debugging output gets mixed with http response */
D
Dr. Stephen Henson 已提交
2014
	(void)BIO_flush(bio);
2015 2016
	}

D
Dr. Stephen Henson 已提交
2017 2018
#ifndef OPENSSL_NO_TLSEXT

2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043
static int ocsp_resp_cb(SSL *s, void *arg)
	{
	const unsigned char *p;
	int len;
	OCSP_RESPONSE *rsp;
	len = SSL_get_tlsext_status_ocsp_resp(s, &p);
	BIO_puts(arg, "OCSP response: ");
	if (!p)
		{
		BIO_puts(arg, "no response sent\n");
		return 1;
		}
	rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
	if (!rsp)
		{
		BIO_puts(arg, "response parse error\n");
		BIO_dump_indent(arg, (char *)p, len, 4);
		return 0;
		}
	BIO_puts(arg, "\n======================================\n");
	OCSP_RESPONSE_print(arg, rsp, 0);
	BIO_puts(arg, "======================================\n");
	OCSP_RESPONSE_free(rsp);
	return 1;
	}
D
Dr. Stephen Henson 已提交
2044 2045

#endif