2 * Copyright 1995-2018 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
15 #include <openssl/err.h>
16 #include <openssl/ssl.h>
18 typedef enum OPTION_choice {
19 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
30 OPT_V, OPT_UPPER_V, OPT_S
33 const OPTIONS ciphers_options[] = {
34 {"help", OPT_HELP, '-', "Display this summary"},
35 {"v", OPT_V, '-', "Verbose listing of the SSL/TLS ciphers"},
36 {"V", OPT_UPPER_V, '-', "Even more verbose"},
37 {"s", OPT_S, '-', "Only supported ciphers"},
38 #ifndef OPENSSL_NO_SSL3
39 {"ssl3", OPT_SSL3, '-', "SSL3 mode"},
41 #ifndef OPENSSL_NO_TLS1
42 {"tls1", OPT_TLS1, '-', "TLS1 mode"},
44 #ifndef OPENSSL_NO_TLS1_1
45 {"tls1_1", OPT_TLS1_1, '-', "TLS1.1 mode"},
47 #ifndef OPENSSL_NO_TLS1_2
48 {"tls1_2", OPT_TLS1_2, '-', "TLS1.2 mode"},
50 #ifndef OPENSSL_NO_TLS1_3
51 {"tls1_3", OPT_TLS1_3, '-', "TLS1.3 mode"},
53 {"stdname", OPT_STDNAME, '-', "Show standard cipher names"},
54 #ifndef OPENSSL_NO_PSK
55 {"psk", OPT_PSK, '-', "include ciphersuites requiring PSK"},
57 #ifndef OPENSSL_NO_SRP
58 {"srp", OPT_SRP, '-', "include ciphersuites requiring SRP"},
60 {"convert", OPT_CONVERT, 's', "Convert standard name into OpenSSL name"},
61 {"ciphersuites", OPT_CIPHERSUITES, 's',
62 "Configure the TLSv1.3 ciphersuites to use"},
66 #ifndef OPENSSL_NO_PSK
67 static unsigned int dummy_psk(SSL *ssl, const char *hint, char *identity,
68 unsigned int max_identity_len,
70 unsigned int max_psk_len)
75 #ifndef OPENSSL_NO_SRP
76 static char *dummy_srp(SSL *ssl, void *arg)
82 int ciphers_main(int argc, char **argv)
86 STACK_OF(SSL_CIPHER) *sk = NULL;
87 const SSL_METHOD *meth = TLS_server_method();
88 int ret = 1, i, verbose = 0, Verbose = 0, use_supported = 0;
90 #ifndef OPENSSL_NO_PSK
93 #ifndef OPENSSL_NO_SRP
97 char *ciphers = NULL, *prog, *convert = NULL, *ciphersuites = NULL;
100 int min_version = 0, max_version = 0;
102 prog = opt_init(argc, argv, ciphers_options);
103 while ((o = opt_next()) != OPT_EOF) {
108 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
111 opt_help(ciphers_options);
118 verbose = Verbose = 1;
124 stdname = verbose = 1;
130 min_version = SSL3_VERSION;
131 max_version = SSL3_VERSION;
134 min_version = TLS1_VERSION;
135 max_version = TLS1_VERSION;
138 min_version = TLS1_1_VERSION;
139 max_version = TLS1_1_VERSION;
142 min_version = TLS1_2_VERSION;
143 max_version = TLS1_2_VERSION;
146 min_version = TLS1_3_VERSION;
147 max_version = TLS1_3_VERSION;
150 #ifndef OPENSSL_NO_PSK
155 #ifndef OPENSSL_NO_SRP
159 case OPT_CIPHERSUITES:
160 ciphersuites = opt_arg();
165 argc = opt_num_rest();
172 if (convert != NULL) {
173 BIO_printf(bio_out, "OpenSSL cipher name: %s\n",
174 OPENSSL_cipher_name(convert));
178 ctx = SSL_CTX_new(meth);
181 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
183 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
186 #ifndef OPENSSL_NO_PSK
188 SSL_CTX_set_psk_client_callback(ctx, dummy_psk);
190 #ifndef OPENSSL_NO_SRP
192 SSL_CTX_set_srp_client_pwd_callback(ctx, dummy_srp);
195 if (ciphersuites != NULL && !SSL_CTX_set_ciphersuites(ctx, ciphersuites)) {
196 BIO_printf(bio_err, "Error setting TLSv1.3 ciphersuites\n");
200 if (ciphers != NULL) {
201 if (!SSL_CTX_set_cipher_list(ctx, ciphers)) {
202 BIO_printf(bio_err, "Error in cipher list\n");
211 sk = SSL_get1_supported_ciphers(ssl);
213 sk = SSL_get_ciphers(ssl);
216 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
217 const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
218 p = SSL_CIPHER_get_name(c);
222 BIO_printf(bio_out, ":");
223 BIO_printf(bio_out, "%s", p);
225 BIO_printf(bio_out, "\n");
228 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
231 c = sk_SSL_CIPHER_value(sk, i);
234 unsigned long id = SSL_CIPHER_get_id(c);
235 int id0 = (int)(id >> 24);
236 int id1 = (int)((id >> 16) & 0xffL);
237 int id2 = (int)((id >> 8) & 0xffL);
238 int id3 = (int)(id & 0xffL);
240 if ((id & 0xff000000L) == 0x03000000L)
241 BIO_printf(bio_out, " 0x%02X,0x%02X - ", id2, id3); /* SSL3
244 BIO_printf(bio_out, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */
247 const char *nm = SSL_CIPHER_standard_name(c);
250 BIO_printf(bio_out, "%s - ", nm);
252 BIO_puts(bio_out, SSL_CIPHER_description(c, buf, sizeof(buf)));
259 ERR_print_errors(bio_err);
262 sk_SSL_CIPHER_free(sk);