2 * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
14 #include <openssl/err.h>
15 #include <openssl/ssl.h>
17 typedef enum OPTION_choice {
18 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
28 OPT_V, OPT_UPPER_V, OPT_S
31 const OPTIONS ciphers_options[] = {
32 {"help", OPT_HELP, '-', "Display this summary"},
33 {"v", OPT_V, '-', "Verbose listing of the SSL/TLS ciphers"},
34 {"V", OPT_UPPER_V, '-', "Even more verbose"},
35 {"s", OPT_S, '-', "Only supported ciphers"},
36 #ifndef OPENSSL_NO_SSL3
37 {"ssl3", OPT_SSL3, '-', "SSL3 mode"},
39 #ifndef OPENSSL_NO_TLS1
40 {"tls1", OPT_TLS1, '-', "TLS1 mode"},
42 #ifndef OPENSSL_NO_TLS1_1
43 {"tls1_1", OPT_TLS1_1, '-', "TLS1.1 mode"},
45 #ifndef OPENSSL_NO_TLS1_2
46 {"tls1_2", OPT_TLS1_2, '-', "TLS1.2 mode"},
48 #ifndef OPENSSL_NO_TLS1_3
49 {"tls1_3", OPT_TLS1_3, '-', "TLS1.3 mode"},
51 {"stdname", OPT_STDNAME, '-', "Show standard cipher names"},
52 #ifndef OPENSSL_NO_PSK
53 {"psk", OPT_PSK, '-', "include ciphersuites requiring PSK"},
55 #ifndef OPENSSL_NO_SRP
56 {"srp", OPT_SRP, '-', "include ciphersuites requiring SRP"},
58 {"convert", OPT_CONVERT, 's', "Convert standard name into OpenSSL name"},
62 #ifndef OPENSSL_NO_PSK
63 static unsigned int dummy_psk(SSL *ssl, const char *hint, char *identity,
64 unsigned int max_identity_len,
66 unsigned int max_psk_len)
71 #ifndef OPENSSL_NO_SRP
72 static char *dummy_srp(SSL *ssl, void *arg)
78 int ciphers_main(int argc, char **argv)
82 STACK_OF(SSL_CIPHER) *sk = NULL;
83 const SSL_METHOD *meth = TLS_server_method();
84 int ret = 1, i, verbose = 0, Verbose = 0, use_supported = 0;
86 #ifndef OPENSSL_NO_PSK
89 #ifndef OPENSSL_NO_SRP
93 char *ciphers = NULL, *prog, *convert = NULL;
96 int min_version = 0, max_version = 0;
98 prog = opt_init(argc, argv, ciphers_options);
99 while ((o = opt_next()) != OPT_EOF) {
104 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
107 opt_help(ciphers_options);
114 verbose = Verbose = 1;
120 stdname = verbose = 1;
126 min_version = SSL3_VERSION;
127 max_version = SSL3_VERSION;
130 min_version = TLS1_VERSION;
131 max_version = TLS1_VERSION;
134 min_version = TLS1_1_VERSION;
135 max_version = TLS1_1_VERSION;
138 min_version = TLS1_2_VERSION;
139 max_version = TLS1_2_VERSION;
142 min_version = TLS1_3_VERSION;
143 max_version = TLS1_3_VERSION;
146 #ifndef OPENSSL_NO_PSK
151 #ifndef OPENSSL_NO_SRP
158 argc = opt_num_rest();
165 if (convert != NULL) {
166 BIO_printf(bio_out, "OpenSSL cipher name: %s\n",
167 OPENSSL_cipher_name(convert));
171 ctx = SSL_CTX_new(meth);
174 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
176 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
179 #ifndef OPENSSL_NO_PSK
181 SSL_CTX_set_psk_client_callback(ctx, dummy_psk);
183 #ifndef OPENSSL_NO_SRP
185 SSL_CTX_set_srp_client_pwd_callback(ctx, dummy_srp);
187 if (ciphers != NULL) {
188 if (!SSL_CTX_set_cipher_list(ctx, ciphers)) {
189 BIO_printf(bio_err, "Error in cipher list\n");
198 sk = SSL_get1_supported_ciphers(ssl);
200 sk = SSL_get_ciphers(ssl);
203 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
204 const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
205 p = SSL_CIPHER_get_name(c);
209 BIO_printf(bio_out, ":");
210 BIO_printf(bio_out, "%s", p);
212 BIO_printf(bio_out, "\n");
215 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
218 c = sk_SSL_CIPHER_value(sk, i);
221 unsigned long id = SSL_CIPHER_get_id(c);
222 int id0 = (int)(id >> 24);
223 int id1 = (int)((id >> 16) & 0xffL);
224 int id2 = (int)((id >> 8) & 0xffL);
225 int id3 = (int)(id & 0xffL);
227 if ((id & 0xff000000L) == 0x03000000L)
228 BIO_printf(bio_out, " 0x%02X,0x%02X - ", id2, id3); /* SSL3
231 BIO_printf(bio_out, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */
234 const char *nm = SSL_CIPHER_standard_name(c);
237 BIO_printf(bio_out, "%s - ", nm);
239 BIO_puts(bio_out, SSL_CIPHER_description(c, buf, sizeof(buf)));
246 ERR_print_errors(bio_err);
249 sk_SSL_CIPHER_free(sk);