1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
62 #include <openssl/err.h>
63 #include <openssl/ssl.h>
65 typedef enum OPTION_choice {
66 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
73 OPT_V, OPT_UPPER_V, OPT_S
76 OPTIONS ciphers_options[] = {
77 {"help", OPT_HELP, '-', "Display this summary"},
78 {"v", OPT_V, '-', "Verbose listing of the SSL/TLS ciphers"},
79 {"V", OPT_UPPER_V, '-', "Even more verbose"},
80 {"s", OPT_S, '-', "Only supported ciphers"},
81 {"tls1", OPT_TLS1, '-', "TLS1 mode"},
82 {"tls1_1", OPT_TLS1_1, '-', "TLS1.1 mode"},
83 {"tls1_2", OPT_TLS1_2, '-', "TLS1.2 mode"},
84 #ifndef OPENSSL_NO_SSL_TRACE
85 {"stdname", OPT_STDNAME, '-', "Show standard cipher names"},
87 #ifndef OPENSSL_NO_SSL3
88 {"ssl3", OPT_SSL3, '-', "SSL3 mode"},
90 #ifndef OPENSSL_NO_PSK
91 {"psk", OPT_PSK, '-', "include ciphersuites requiring PSK"},
96 #ifndef OPENSSL_NO_PSK
97 static unsigned int dummy_psk(SSL *ssl, const char *hint, char *identity,
98 unsigned int max_identity_len,
100 unsigned int max_psk_len)
106 int ciphers_main(int argc, char **argv)
110 STACK_OF(SSL_CIPHER) *sk = NULL;
111 const SSL_METHOD *meth = TLS_server_method();
112 int ret = 1, i, verbose = 0, Verbose = 0, use_supported = 0;
113 #ifndef OPENSSL_NO_SSL_TRACE
116 #ifndef OPENSSL_NO_PSK
120 char *ciphers = NULL, *prog;
124 prog = opt_init(argc, argv, ciphers_options);
125 while ((o = opt_next()) != OPT_EOF) {
130 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
133 opt_help(ciphers_options);
140 verbose = Verbose = 1;
146 #ifndef OPENSSL_NO_SSL_TRACE
147 stdname = verbose = 1;
151 #ifndef OPENSSL_NO_SSL3
152 meth = SSLv3_client_method();
156 meth = TLSv1_client_method();
159 meth = TLSv1_1_client_method();
162 meth = TLSv1_2_client_method();
165 #ifndef OPENSSL_NO_PSK
172 argc = opt_num_rest();
179 ctx = SSL_CTX_new(meth);
182 #ifndef OPENSSL_NO_PSK
184 SSL_CTX_set_psk_client_callback(ctx, dummy_psk);
186 if (ciphers != NULL) {
187 if (!SSL_CTX_set_cipher_list(ctx, ciphers)) {
188 BIO_printf(bio_err, "Error in cipher list\n");
197 sk = SSL_get1_supported_ciphers(ssl);
199 sk = SSL_get_ciphers(ssl);
202 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
203 const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
204 p = SSL_CIPHER_get_name(c);
208 BIO_printf(bio_out, ":");
209 BIO_printf(bio_out, "%s", p);
211 BIO_printf(bio_out, "\n");
214 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
217 c = sk_SSL_CIPHER_value(sk, i);
220 unsigned long id = SSL_CIPHER_get_id(c);
221 int id0 = (int)(id >> 24);
222 int id1 = (int)((id >> 16) & 0xffL);
223 int id2 = (int)((id >> 8) & 0xffL);
224 int id3 = (int)(id & 0xffL);
226 if ((id & 0xff000000L) == 0x03000000L)
227 BIO_printf(bio_out, " 0x%02X,0x%02X - ", id2, id3); /* SSL3
230 BIO_printf(bio_out, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */
232 #ifndef OPENSSL_NO_SSL_TRACE
234 const char *nm = SSL_CIPHER_standard_name(c);
237 BIO_printf(bio_out, "%s - ", nm);
240 BIO_puts(bio_out, SSL_CIPHER_description(c, buf, sizeof buf));
247 ERR_print_errors(bio_err);
250 sk_SSL_CIPHER_free(sk);