ciphers.c revision 59191 
1/* apps/ciphers.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to.  The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 *    notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 *    notice, this list of conditions and the following disclaimer in the
30 *    documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 *    must display the following acknowledgement:
33 *    "This product includes cryptographic software written by
34 *     Eric Young (eay@cryptsoft.com)"
35 *    The word 'cryptographic' can be left out if the rouines from the library
36 *    being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 *    the apps directory (application code) you must include an acknowledgement:
39 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed.  i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include <stdlib.h>
61#include <string.h>
62#ifdef NO_STDIO
63#define APPS_WIN16
64#endif
65#include "apps.h"
66#include <openssl/err.h>
67#include <openssl/ssl.h>
68
69#undef PROG
70#define PROG	ciphers_main
71
72static char *ciphers_usage[]={
73"usage: ciphers args\n",
74" -v          - verbose mode, a textual listing of the ciphers in SSLeay\n",
75" -ssl2       - SSL2 mode\n",
76" -ssl3       - SSL3 mode\n",
77NULL
78};
79
80int MAIN(int, char **);
81
82int MAIN(int argc, char **argv)
83	{
84	int ret=1,i;
85	int verbose=0;
86	char **pp;
87	const char *p;
88	int badops=0;
89	SSL_CTX *ctx=NULL;
90	SSL *ssl=NULL;
91	char *ciphers=NULL;
92	SSL_METHOD *meth=NULL;
93	STACK_OF(SSL_CIPHER) *sk;
94	char buf[512];
95	BIO *STDout=NULL;
96
97#if !defined(NO_SSL2) && !defined(NO_SSL3)
98	meth=SSLv23_server_method();
99#elif !defined(NO_SSL3)
100	meth=SSLv3_server_method();
101#elif !defined(NO_SSL2)
102	meth=SSLv2_server_method();
103#endif
104
105	apps_startup();
106
107	if (bio_err == NULL)
108		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
109	STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
110
111	argc--;
112	argv++;
113	while (argc >= 1)
114		{
115		if (strcmp(*argv,"-v") == 0)
116			verbose=1;
117#ifndef NO_SSL2
118		else if (strcmp(*argv,"-ssl2") == 0)
119			meth=SSLv2_client_method();
120#endif
121#ifndef NO_SSL3
122		else if (strcmp(*argv,"-ssl3") == 0)
123			meth=SSLv3_client_method();
124#endif
125		else if ((strncmp(*argv,"-h",2) == 0) ||
126			 (strcmp(*argv,"-?") == 0))
127			{
128			badops=1;
129			break;
130			}
131		else
132			{
133			ciphers= *argv;
134			}
135		argc--;
136		argv++;
137		}
138
139	if (badops)
140		{
141		for (pp=ciphers_usage; (*pp != NULL); pp++)
142			BIO_printf(bio_err,*pp);
143		goto end;
144		}
145
146	OpenSSL_add_ssl_algorithms();
147
148	ctx=SSL_CTX_new(meth);
149	if (ctx == NULL) goto err;
150	if (ciphers != NULL) {
151		if(!SSL_CTX_set_cipher_list(ctx,ciphers)) {
152			BIO_printf(bio_err, "Error in cipher list\n");
153			goto err;
154		}
155	}
156	ssl=SSL_new(ctx);
157	if (ssl == NULL) goto err;
158
159
160	if (!verbose)
161		{
162		for (i=0; ; i++)
163			{
164			p=SSL_get_cipher_list(ssl,i);
165			if (p == NULL) break;
166			if (i != 0) BIO_printf(STDout,":");
167			BIO_printf(STDout,"%s",p);
168			}
169		BIO_printf(STDout,"\n");
170		}
171	else
172		{
173		sk=SSL_get_ciphers(ssl);
174
175		for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
176			{
177			BIO_puts(STDout,SSL_CIPHER_description(
178				sk_SSL_CIPHER_value(sk,i),
179				buf,512));
180			}
181		}
182
183	ret=0;
184	if (0)
185		{
186err:
187		SSL_load_error_strings();
188		ERR_print_errors(bio_err);
189		}
190end:
191	if (ctx != NULL) SSL_CTX_free(ctx);
192	if (ssl != NULL) SSL_free(ssl);
193	if (STDout != NULL) BIO_free(STDout);
194	EXIT(ret);
195	}
196
197