sl@0: /* apps/ciphers.c */
sl@0: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * This package is an SSL implementation written
sl@0:  * by Eric Young (eay@cryptsoft.com).
sl@0:  * The implementation was written so as to conform with Netscapes SSL.
sl@0:  * 
sl@0:  * This library is free for commercial and non-commercial use as long as
sl@0:  * the following conditions are aheared to.  The following conditions
sl@0:  * apply to all code found in this distribution, be it the RC4, RSA,
sl@0:  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
sl@0:  * included with this distribution is covered by the same copyright terms
sl@0:  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
sl@0:  * 
sl@0:  * Copyright remains Eric Young's, and as such any Copyright notices in
sl@0:  * the code are not to be removed.
sl@0:  * If this package is used in a product, Eric Young should be given attribution
sl@0:  * as the author of the parts of the library used.
sl@0:  * This can be in the form of a textual message at program startup or
sl@0:  * in documentation (online or textual) provided with the package.
sl@0:  * 
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 3. All advertising materials mentioning features or use of this software
sl@0:  *    must display the following acknowledgement:
sl@0:  *    "This product includes cryptographic software written by
sl@0:  *     Eric Young (eay@cryptsoft.com)"
sl@0:  *    The word 'cryptographic' can be left out if the rouines from the library
sl@0:  *    being used are not cryptographic related :-).
sl@0:  * 4. If you include any Windows specific code (or a derivative thereof) from 
sl@0:  *    the apps directory (application code) you must include an acknowledgement:
sl@0:  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  * 
sl@0:  * The licence and distribution terms for any publically available version or
sl@0:  * derivative of this code cannot be changed.  i.e. this code cannot simply be
sl@0:  * copied and put under another distribution licence
sl@0:  * [including the GNU Public Licence.]
sl@0:  */
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include <stdlib.h>
sl@0: #include <string.h>
sl@0: #ifdef OPENSSL_NO_STDIO
sl@0: #define APPS_WIN16
sl@0: #endif
sl@0: #include "apps.h"
sl@0: #include <openssl/err.h>
sl@0: #include <openssl/ssl.h>
sl@0: 
sl@0: #undef PROG
sl@0: #define PROG	ciphers_main
sl@0: 
sl@0: static const char *ciphers_usage[]={
sl@0: "usage: ciphers args\n",
sl@0: " -v          - verbose mode, a textual listing of the ciphers in SSLeay\n",
sl@0: " -ssl2       - SSL2 mode\n",
sl@0: " -ssl3       - SSL3 mode\n",
sl@0: " -tls1       - TLS1 mode\n",
sl@0: NULL
sl@0: };
sl@0: 
sl@0: int MAIN(int, char **);
sl@0: 
sl@0: int MAIN(int argc, char **argv)
sl@0: 	{
sl@0: 	int ret=1,i;
sl@0: 	int verbose=0;
sl@0: 	const char **pp;
sl@0: 	const char *p;
sl@0: 	int badops=0;
sl@0: 	SSL_CTX *ctx=NULL;
sl@0: 	SSL *ssl=NULL;
sl@0: 	char *ciphers=NULL;
sl@0: 	SSL_METHOD *meth=NULL;
sl@0: 	STACK_OF(SSL_CIPHER) *sk;
sl@0: 	char buf[512];
sl@0: 	BIO *STDout=NULL;
sl@0: 
sl@0: #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
sl@0: 	meth=SSLv23_server_method();
sl@0: #elif !defined(OPENSSL_NO_SSL3)
sl@0: 	meth=SSLv3_server_method();
sl@0: #elif !defined(OPENSSL_NO_SSL2)
sl@0: 	meth=SSLv2_server_method();
sl@0: #endif
sl@0: 
sl@0: 	apps_startup();
sl@0: 
sl@0: 	if (bio_err == NULL)
sl@0: 	bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
sl@0: 	STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
sl@0: 
sl@0: #ifdef OPENSSL_SYS_VMS
sl@0: 	{
sl@0: 	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
sl@0: 	STDout = BIO_push(tmpbio, STDout);
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: 	argc--;
sl@0: 	argv++;
sl@0: 	while (argc >= 1)
sl@0: 		{
sl@0: 		if (strcmp(*argv,"-v") == 0)
sl@0: 			verbose=1;
sl@0: #ifndef OPENSSL_NO_SSL2
sl@0: 		else if (strcmp(*argv,"-ssl2") == 0)
sl@0: 			meth=SSLv2_client_method();
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_SSL3
sl@0: 		else if (strcmp(*argv,"-ssl3") == 0)
sl@0: 			meth=SSLv3_client_method();
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_TLS1
sl@0: 		else if (strcmp(*argv,"-tls1") == 0)
sl@0: 			meth=TLSv1_client_method();
sl@0: #endif
sl@0: 		else if ((strncmp(*argv,"-h",2) == 0) ||
sl@0: 			 (strcmp(*argv,"-?") == 0))
sl@0: 			{
sl@0: 			badops=1;
sl@0: 			break;
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			ciphers= *argv;
sl@0: 			}
sl@0: 		argc--;
sl@0: 		argv++;
sl@0: 		}
sl@0: 
sl@0: 	if (badops)
sl@0: 		{
sl@0: 		for (pp=ciphers_usage; (*pp != NULL); pp++)
sl@0: 			BIO_printf(bio_err,"%s",*pp);
sl@0: 		goto end;
sl@0: 		}
sl@0: 
sl@0: 	OpenSSL_add_ssl_algorithms();
sl@0: 
sl@0: 	ctx=SSL_CTX_new(meth);
sl@0: 	if (ctx == NULL) goto err;
sl@0: 	if (ciphers != NULL) {
sl@0: 		if(!SSL_CTX_set_cipher_list(ctx,ciphers)) {
sl@0: 			BIO_printf(bio_err, "Error in cipher list\n");
sl@0: 			goto err;
sl@0: 		}
sl@0: 	}
sl@0: 	ssl=SSL_new(ctx);
sl@0: 	if (ssl == NULL) goto err;
sl@0: 
sl@0: 
sl@0: 	if (!verbose)
sl@0: 		{
sl@0: 		for (i=0; ; i++)
sl@0: 			{
sl@0: 			p=SSL_get_cipher_list(ssl,i);
sl@0: 			if (p == NULL) break;
sl@0: 			if (i != 0) BIO_printf(STDout,":");
sl@0: 			BIO_printf(STDout,"%s",p);
sl@0: 			}
sl@0: 		BIO_printf(STDout,"\n");
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		sk=SSL_get_ciphers(ssl);
sl@0: 
sl@0: 		for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
sl@0: 			{
sl@0: 			BIO_puts(STDout,SSL_CIPHER_description(
sl@0: 				sk_SSL_CIPHER_value(sk,i),
sl@0: 				buf,sizeof buf));
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	ret=0;
sl@0: 	if (0)
sl@0: 		{
sl@0: err:
sl@0: 		SSL_load_error_strings();
sl@0: 		ERR_print_errors(bio_err);
sl@0: 		}
sl@0: end:
sl@0: 	if (ctx != NULL) SSL_CTX_free(ctx);
sl@0: 	if (ssl != NULL) SSL_free(ssl);
sl@0: 	if (STDout != NULL) BIO_free_all(STDout);
sl@0: 	apps_shutdown();
sl@0: 	OPENSSL_EXIT(ret);
sl@0: 	}
sl@0: