2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
63 #include <openssl/err.h>
64 #include <openssl/ssl.h>
67 #define PROG ciphers_main
69 static const char *ciphers_usage[] = {
70 "usage: ciphers args\n",
71 " -v - verbose mode, a textual listing of the SSL/TLS ciphers in OpenSSL\n",
72 " -V - even more verbose\n",
73 " -ssl3 - SSL3 mode\n",
74 " -tls1 - TLS1 mode\n",
78 int MAIN(int, char **);
80 int MAIN(int argc, char **argv)
83 int verbose = 0, Verbose = 0;
84 int use_supported = 0;
85 #ifndef OPENSSL_NO_SSL_TRACE
94 const SSL_METHOD *meth = NULL;
95 STACK_OF(SSL_CIPHER) *sk = NULL;
99 meth = SSLv23_server_method();
104 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
105 STDout = BIO_new_fp(stdout, BIO_NOCLOSE);
106 #ifdef OPENSSL_SYS_VMS
108 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
109 STDout = BIO_push(tmpbio, STDout);
112 if (!load_config(bio_err, NULL))
118 if (strcmp(*argv, "-v") == 0)
120 else if (strcmp(*argv, "-V") == 0)
121 verbose = Verbose = 1;
122 else if (strcmp(*argv, "-s") == 0)
124 #ifndef OPENSSL_NO_SSL_TRACE
125 else if (strcmp(*argv, "-stdname") == 0)
126 stdname = verbose = 1;
128 #ifndef OPENSSL_NO_SSL3
129 else if (strcmp(*argv, "-ssl3") == 0)
130 meth = SSLv3_client_method();
132 else if (strcmp(*argv, "-tls1") == 0)
133 meth = TLSv1_client_method();
134 else if ((strncmp(*argv, "-h", 2) == 0) || (strcmp(*argv, "-?") == 0)) {
145 for (pp = ciphers_usage; (*pp != NULL); pp++)
146 BIO_printf(bio_err, "%s", *pp);
150 OpenSSL_add_ssl_algorithms();
152 ctx = SSL_CTX_new(meth);
155 if (ciphers != NULL) {
156 if (!SSL_CTX_set_cipher_list(ctx, ciphers)) {
157 BIO_printf(bio_err, "Error in cipher list\n");
166 sk = SSL_get1_supported_ciphers(ssl);
168 sk = SSL_get_ciphers(ssl);
171 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
172 SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
173 p = SSL_CIPHER_get_name(c);
177 BIO_printf(STDout, ":");
178 BIO_printf(STDout, "%s", p);
180 BIO_printf(STDout, "\n");
181 } else { /* verbose */
183 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
186 c = sk_SSL_CIPHER_value(sk, i);
189 unsigned long id = SSL_CIPHER_get_id(c);
190 int id0 = (int)(id >> 24);
191 int id1 = (int)((id >> 16) & 0xffL);
192 int id2 = (int)((id >> 8) & 0xffL);
193 int id3 = (int)(id & 0xffL);
195 if ((id & 0xff000000L) == 0x03000000L) {
197 BIO_printf(STDout, " 0x%02X,0x%02X - ", id2,
201 BIO_printf(STDout, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0,
205 #ifndef OPENSSL_NO_SSL_TRACE
207 const char *nm = SSL_CIPHER_standard_name(c);
210 BIO_printf(STDout, "%s - ", nm);
213 BIO_puts(STDout, SSL_CIPHER_description(c, buf, sizeof buf));
220 SSL_load_error_strings();
221 ERR_print_errors(bio_err);
224 if (use_supported && sk)
225 sk_SSL_CIPHER_free(sk);
231 BIO_free_all(STDout);