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,
27 OPT_V, OPT_UPPER_V, OPT_S
30 const OPTIONS ciphers_options[] = {
31 {"help", OPT_HELP, '-', "Display this summary"},
32 {"v", OPT_V, '-', "Verbose listing of the SSL/TLS ciphers"},
33 {"V", OPT_UPPER_V, '-', "Even more verbose"},
34 {"s", OPT_S, '-', "Only supported ciphers"},
35 #ifndef OPENSSL_NO_SSL3
36 {"ssl3", OPT_SSL3, '-', "SSL3 mode"},
38 #ifndef OPENSSL_NO_TLS1
39 {"tls1", OPT_TLS1, '-', "TLS1 mode"},
41 #ifndef OPENSSL_NO_TLS1_1
42 {"tls1_1", OPT_TLS1_1, '-', "TLS1.1 mode"},
44 #ifndef OPENSSL_NO_TLS1_2
45 {"tls1_2", OPT_TLS1_2, '-', "TLS1.2 mode"},
47 #ifndef OPENSSL_NO_TLS1_3
48 {"tls1_3", OPT_TLS1_3, '-', "TLS1.3 mode"},
50 #ifndef OPENSSL_NO_SSL_TRACE
51 {"stdname", OPT_STDNAME, '-', "Show standard cipher names"},
53 #ifndef OPENSSL_NO_PSK
54 {"psk", OPT_PSK, '-', "include ciphersuites requiring PSK"},
56 #ifndef OPENSSL_NO_SRP
57 {"srp", OPT_SRP, '-', "include ciphersuites requiring SRP"},
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;
85 #ifndef OPENSSL_NO_SSL_TRACE
88 #ifndef OPENSSL_NO_PSK
91 #ifndef OPENSSL_NO_SRP
95 char *ciphers = NULL, *prog;
98 int min_version = 0, max_version = 0;
100 prog = opt_init(argc, argv, ciphers_options);
101 while ((o = opt_next()) != OPT_EOF) {
106 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
109 opt_help(ciphers_options);
116 verbose = Verbose = 1;
122 #ifndef OPENSSL_NO_SSL_TRACE
123 stdname = verbose = 1;
127 min_version = SSL3_VERSION;
128 max_version = SSL3_VERSION;
131 min_version = TLS1_VERSION;
132 max_version = TLS1_VERSION;
135 min_version = TLS1_1_VERSION;
136 max_version = TLS1_1_VERSION;
139 min_version = TLS1_2_VERSION;
140 max_version = TLS1_2_VERSION;
143 min_version = TLS1_3_VERSION;
144 max_version = TLS1_3_VERSION;
147 #ifndef OPENSSL_NO_PSK
152 #ifndef OPENSSL_NO_SRP
159 argc = opt_num_rest();
166 ctx = SSL_CTX_new(meth);
169 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
171 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
174 #ifndef OPENSSL_NO_PSK
176 SSL_CTX_set_psk_client_callback(ctx, dummy_psk);
178 #ifndef OPENSSL_NO_SRP
180 SSL_CTX_set_srp_client_pwd_callback(ctx, dummy_srp);
182 if (ciphers != NULL) {
183 if (!SSL_CTX_set_cipher_list(ctx, ciphers)) {
184 BIO_printf(bio_err, "Error in cipher list\n");
193 sk = SSL_get1_supported_ciphers(ssl);
195 sk = SSL_get_ciphers(ssl);
198 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
199 const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
200 p = SSL_CIPHER_get_name(c);
204 BIO_printf(bio_out, ":");
205 BIO_printf(bio_out, "%s", p);
207 BIO_printf(bio_out, "\n");
210 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
213 c = sk_SSL_CIPHER_value(sk, i);
216 unsigned long id = SSL_CIPHER_get_id(c);
217 int id0 = (int)(id >> 24);
218 int id1 = (int)((id >> 16) & 0xffL);
219 int id2 = (int)((id >> 8) & 0xffL);
220 int id3 = (int)(id & 0xffL);
222 if ((id & 0xff000000L) == 0x03000000L)
223 BIO_printf(bio_out, " 0x%02X,0x%02X - ", id2, id3); /* SSL3
226 BIO_printf(bio_out, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */
228 #ifndef OPENSSL_NO_SSL_TRACE
230 const char *nm = SSL_CIPHER_standard_name(c);
233 BIO_printf(bio_out, "%s - ", nm);
236 BIO_puts(bio_out, SSL_CIPHER_description(c, buf, sizeof buf));
243 ERR_print_errors(bio_err);
246 sk_SSL_CIPHER_free(sk);