Branch data Line data Source code
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 OPENSSL_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 : :
72 : : static const char *ciphers_usage[]={
73 : : "usage: ciphers args\n",
74 : : " -v - verbose mode, a textual listing of the SSL/TLS ciphers in OpenSSL\n",
75 : : " -V - even more verbose\n",
76 : : " -ssl2 - SSL2 mode\n",
77 : : " -ssl3 - SSL3 mode\n",
78 : : " -tls1 - TLS1 mode\n",
79 : : NULL
80 : : };
81 : :
82 : : int MAIN(int, char **);
83 : :
84 : 22 : int MAIN(int argc, char **argv)
85 : : {
86 : 22 : int ret=1,i;
87 : 22 : int verbose=0,Verbose=0;
88 : 22 : int use_supported = 0;
89 : : #ifndef OPENSSL_NO_SSL_TRACE
90 : : int stdname = 0;
91 : : #endif
92 : : const char **pp;
93 : : const char *p;
94 : 22 : int badops=0;
95 : 22 : SSL_CTX *ctx=NULL;
96 : 22 : SSL *ssl=NULL;
97 : 22 : char *ciphers=NULL;
98 : 22 : const SSL_METHOD *meth=NULL;
99 : 22 : STACK_OF(SSL_CIPHER) *sk=NULL;
100 : : char buf[512];
101 : 22 : BIO *STDout=NULL;
102 : :
103 : 22 : meth=SSLv23_server_method();
104 : :
105 : 22 : apps_startup();
106 : :
107 [ - + ]: 22 : if (bio_err == NULL)
108 : 0 : bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
109 : 22 : STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
110 : : #ifdef OPENSSL_SYS_VMS
111 : : {
112 : : BIO *tmpbio = BIO_new(BIO_f_linebuffer());
113 : : STDout = BIO_push(tmpbio, STDout);
114 : : }
115 : : #endif
116 [ + - ]: 22 : if (!load_config(bio_err, NULL))
117 : : goto end;
118 : :
119 : 22 : argc--;
120 : 22 : argv++;
121 [ + + ]: 44 : while (argc >= 1)
122 : : {
123 [ + - ]: 22 : if (strcmp(*argv,"-v") == 0)
124 : : verbose=1;
125 [ + - ]: 22 : else if (strcmp(*argv,"-V") == 0)
126 : : verbose=Verbose=1;
127 [ + - ]: 22 : else if (strcmp(*argv,"-s") == 0)
128 : : use_supported = 1;
129 : : #ifndef OPENSSL_NO_SSL_TRACE
130 : : else if (strcmp(*argv,"-stdname") == 0)
131 : : stdname=verbose=1;
132 : : #endif
133 : : #ifndef OPENSSL_NO_SSL2
134 [ - + ]: 22 : else if (strcmp(*argv,"-ssl2") == 0)
135 : 0 : meth=SSLv2_client_method();
136 : : #endif
137 : : #ifndef OPENSSL_NO_SSL3
138 [ - + ]: 22 : else if (strcmp(*argv,"-ssl3") == 0)
139 : 0 : meth=SSLv3_client_method();
140 : : #endif
141 : : #ifndef OPENSSL_NO_TLS1
142 [ - + ]: 22 : else if (strcmp(*argv,"-tls1") == 0)
143 : 0 : meth=TLSv1_client_method();
144 : : #endif
145 [ + - ][ + - ]: 22 : else if ((strncmp(*argv,"-h",2) == 0) ||
146 : 22 : (strcmp(*argv,"-?") == 0))
147 : : {
148 : : badops=1;
149 : : break;
150 : : }
151 : : else
152 : : {
153 : : ciphers= *argv;
154 : : }
155 : 22 : argc--;
156 : 22 : argv++;
157 : : }
158 : :
159 [ - + ]: 22 : if (badops)
160 : : {
161 [ # # ]: 0 : for (pp=ciphers_usage; (*pp != NULL); pp++)
162 : 0 : BIO_printf(bio_err,"%s",*pp);
163 : : goto end;
164 : : }
165 : :
166 : 22 : OpenSSL_add_ssl_algorithms();
167 : :
168 : 22 : ctx=SSL_CTX_new(meth);
169 [ + - ]: 22 : if (ctx == NULL) goto err;
170 [ + - ]: 22 : if (ciphers != NULL) {
171 [ - + ]: 22 : if(!SSL_CTX_set_cipher_list(ctx,ciphers)) {
172 : 0 : BIO_printf(bio_err, "Error in cipher list\n");
173 : 0 : goto err;
174 : : }
175 : : }
176 : 22 : ssl=SSL_new(ctx);
177 [ + - ]: 22 : if (ssl == NULL) goto err;
178 : :
179 [ - + ]: 22 : if (use_supported)
180 : 0 : sk=SSL_get1_supported_ciphers(ssl);
181 : : else
182 : 22 : sk=SSL_get_ciphers(ssl);
183 : :
184 [ - + ]: 22 : if (!verbose)
185 : : {
186 [ + + ]: 264 : for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
187 : : {
188 : 242 : SSL_CIPHER *c = sk_SSL_CIPHER_value(sk,i);
189 : 242 : p = SSL_CIPHER_get_name(c);
190 [ + - ]: 242 : if (p == NULL) break;
191 [ + + ]: 242 : if (i != 0) BIO_printf(STDout,":");
192 : 242 : BIO_printf(STDout,"%s",p);
193 : : }
194 : 22 : BIO_printf(STDout,"\n");
195 : : }
196 : : else /* verbose */
197 : : {
198 : :
199 [ # # ]: 0 : for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
200 : : {
201 : : SSL_CIPHER *c;
202 : :
203 : 0 : c = sk_SSL_CIPHER_value(sk,i);
204 : :
205 [ # # ]: 0 : if (Verbose)
206 : : {
207 : 0 : unsigned long id = SSL_CIPHER_get_id(c);
208 : 0 : int id0 = (int)(id >> 24);
209 : 0 : int id1 = (int)((id >> 16) & 0xffL);
210 : 0 : int id2 = (int)((id >> 8) & 0xffL);
211 : 0 : int id3 = (int)(id & 0xffL);
212 : :
213 [ # # ]: 0 : if ((id & 0xff000000L) == 0x02000000L)
214 : 0 : BIO_printf(STDout, " 0x%02X,0x%02X,0x%02X - ", id1, id2, id3); /* SSL2 cipher */
215 [ # # ]: 0 : else if ((id & 0xff000000L) == 0x03000000L)
216 : 0 : BIO_printf(STDout, " 0x%02X,0x%02X - ", id2, id3); /* SSL3 cipher */
217 : : else
218 : 0 : BIO_printf(STDout, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */
219 : : }
220 : : #ifndef OPENSSL_NO_SSL_TRACE
221 : : if (stdname)
222 : : {
223 : : const char *nm = SSL_CIPHER_standard_name(c);
224 : : if (nm == NULL)
225 : : nm = "UNKNOWN";
226 : : BIO_printf(STDout, "%s - ", nm);
227 : : }
228 : : #endif
229 : 0 : BIO_puts(STDout,SSL_CIPHER_description(c,buf,sizeof buf));
230 : : }
231 : : }
232 : :
233 : : ret=0;
234 : : if (0)
235 : : {
236 : : err:
237 : 0 : SSL_load_error_strings();
238 : 0 : ERR_print_errors(bio_err);
239 : : }
240 : : end:
241 [ - + ]: 22 : if (use_supported && sk)
242 : 0 : sk_SSL_CIPHER_free(sk);
243 [ + - ]: 22 : if (ctx != NULL) SSL_CTX_free(ctx);
244 [ + - ]: 22 : if (ssl != NULL) SSL_free(ssl);
245 [ + - ]: 22 : if (STDout != NULL) BIO_free_all(STDout);
246 : : apps_shutdown();
247 : 22 : OPENSSL_EXIT(ret);
248 : : }
249 : :
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