2 * Copyright 1995-2016 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,
26 OPT_V, OPT_UPPER_V, OPT_S
29 OPTIONS ciphers_options[] = {
30 {"help", OPT_HELP, '-', "Display this summary"},
31 {"v", OPT_V, '-', "Verbose listing of the SSL/TLS ciphers"},
32 {"V", OPT_UPPER_V, '-', "Even more verbose"},
33 {"s", OPT_S, '-', "Only supported ciphers"},
34 #ifndef OPENSSL_NO_SSL3
35 {"ssl3", OPT_SSL3, '-', "SSL3 mode"},
37 #ifndef OPENSSL_NO_TLS1
38 {"tls1", OPT_TLS1, '-', "TLS1 mode"},
40 #ifndef OPENSSL_NO_TLS1_1
41 {"tls1_1", OPT_TLS1_1, '-', "TLS1.1 mode"},
43 #ifndef OPENSSL_NO_TLS1_2
44 {"tls1_2", OPT_TLS1_2, '-', "TLS1.2 mode"},
46 #ifndef OPENSSL_NO_SSL_TRACE
47 {"stdname", OPT_STDNAME, '-', "Show standard cipher names"},
49 #ifndef OPENSSL_NO_PSK
50 {"psk", OPT_PSK, '-', "include ciphersuites requiring PSK"},
52 #ifndef OPENSSL_NO_SRP
53 {"srp", OPT_SRP, '-', "include ciphersuites requiring SRP"},
58 #ifndef OPENSSL_NO_PSK
59 static unsigned int dummy_psk(SSL *ssl, const char *hint, char *identity,
60 unsigned int max_identity_len,
62 unsigned int max_psk_len)
67 #ifndef OPENSSL_NO_SRP
68 static char *dummy_srp(SSL *ssl, void *arg)
74 int ciphers_main(int argc, char **argv)
78 STACK_OF(SSL_CIPHER) *sk = NULL;
79 const SSL_METHOD *meth = TLS_server_method();
80 int ret = 1, i, verbose = 0, Verbose = 0, use_supported = 0;
81 #ifndef OPENSSL_NO_SSL_TRACE
84 #ifndef OPENSSL_NO_PSK
87 #ifndef OPENSSL_NO_SRP
91 char *ciphers = NULL, *prog;
94 int min_version = 0, max_version = 0;
96 prog = opt_init(argc, argv, ciphers_options);
97 while ((o = opt_next()) != OPT_EOF) {
102 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
105 opt_help(ciphers_options);
112 verbose = Verbose = 1;
118 #ifndef OPENSSL_NO_SSL_TRACE
119 stdname = verbose = 1;
123 min_version = SSL3_VERSION;
124 max_version = SSL3_VERSION;
127 min_version = TLS1_VERSION;
128 max_version = TLS1_VERSION;
131 min_version = TLS1_1_VERSION;
132 max_version = TLS1_1_VERSION;
135 min_version = TLS1_2_VERSION;
136 max_version = TLS1_2_VERSION;
139 #ifndef OPENSSL_NO_PSK
143 #ifndef OPENSSL_NO_SRP
150 argc = opt_num_rest();
157 ctx = SSL_CTX_new(meth);
160 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
162 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
165 #ifndef OPENSSL_NO_PSK
167 SSL_CTX_set_psk_client_callback(ctx, dummy_psk);
169 #ifndef OPENSSL_NO_SRP
171 SSL_CTX_set_srp_client_pwd_callback(ctx, dummy_srp);
173 if (ciphers != NULL) {
174 if (!SSL_CTX_set_cipher_list(ctx, ciphers)) {
175 BIO_printf(bio_err, "Error in cipher list\n");
184 sk = SSL_get1_supported_ciphers(ssl);
186 sk = SSL_get_ciphers(ssl);
189 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
190 const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
191 p = SSL_CIPHER_get_name(c);
195 BIO_printf(bio_out, ":");
196 BIO_printf(bio_out, "%s", p);
198 BIO_printf(bio_out, "\n");
201 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
204 c = sk_SSL_CIPHER_value(sk, i);
207 unsigned long id = SSL_CIPHER_get_id(c);
208 int id0 = (int)(id >> 24);
209 int id1 = (int)((id >> 16) & 0xffL);
210 int id2 = (int)((id >> 8) & 0xffL);
211 int id3 = (int)(id & 0xffL);
213 if ((id & 0xff000000L) == 0x03000000L)
214 BIO_printf(bio_out, " 0x%02X,0x%02X - ", id2, id3); /* SSL3
217 BIO_printf(bio_out, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */
219 #ifndef OPENSSL_NO_SSL_TRACE
221 const char *nm = SSL_CIPHER_standard_name(c);
224 BIO_printf(bio_out, "%s - ", nm);
227 BIO_puts(bio_out, SSL_CIPHER_description(c, buf, sizeof buf));
234 ERR_print_errors(bio_err);
237 sk_SSL_CIPHER_free(sk);