2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [cipher]\n"},
36 OPT_SECTION("General"),
37 {"help", OPT_HELP, '-', "Display this summary"},
39 OPT_SECTION("Output"),
40 {"v", OPT_V, '-', "Verbose listing of the SSL/TLS ciphers"},
41 {"V", OPT_UPPER_V, '-', "Even more verbose"},
42 {"stdname", OPT_STDNAME, '-', "Show standard cipher names"},
43 {"convert", OPT_CONVERT, 's', "Convert standard name into OpenSSL name"},
45 OPT_SECTION("Cipher specification"),
46 {"s", OPT_S, '-', "Only supported ciphers"},
47 #ifndef OPENSSL_NO_SSL3
48 {"ssl3", OPT_SSL3, '-', "Ciphers compatible with SSL3"},
50 #ifndef OPENSSL_NO_TLS1
51 {"tls1", OPT_TLS1, '-', "Ciphers compatible with TLS1"},
53 #ifndef OPENSSL_NO_TLS1_1
54 {"tls1_1", OPT_TLS1_1, '-', "Ciphers compatible with TLS1.1"},
56 #ifndef OPENSSL_NO_TLS1_2
57 {"tls1_2", OPT_TLS1_2, '-', "Ciphers compatible with TLS1.2"},
59 #ifndef OPENSSL_NO_TLS1_3
60 {"tls1_3", OPT_TLS1_3, '-', "Ciphers compatible with TLS1.3"},
62 #ifndef OPENSSL_NO_PSK
63 {"psk", OPT_PSK, '-', "Include ciphersuites requiring PSK"},
65 #ifndef OPENSSL_NO_SRP
66 {"srp", OPT_SRP, '-', "Include ciphersuites requiring SRP"},
68 {"ciphersuites", OPT_CIPHERSUITES, 's',
69 "Configure the TLSv1.3 ciphersuites to use"},
72 {"cipher", 0, 0, "Cipher string to decode (optional)"},
76 #ifndef OPENSSL_NO_PSK
77 static unsigned int dummy_psk(SSL *ssl, const char *hint, char *identity,
78 unsigned int max_identity_len,
80 unsigned int max_psk_len)
85 #ifndef OPENSSL_NO_SRP
86 static char *dummy_srp(SSL *ssl, void *arg)
92 int ciphers_main(int argc, char **argv)
96 STACK_OF(SSL_CIPHER) *sk = NULL;
97 const SSL_METHOD *meth = TLS_server_method();
98 int ret = 1, i, verbose = 0, Verbose = 0, use_supported = 0;
100 #ifndef OPENSSL_NO_PSK
103 #ifndef OPENSSL_NO_SRP
107 char *ciphers = NULL, *prog, *convert = NULL, *ciphersuites = NULL;
110 int min_version = 0, max_version = 0;
112 prog = opt_init(argc, argv, ciphers_options);
113 while ((o = opt_next()) != OPT_EOF) {
118 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
121 opt_help(ciphers_options);
128 verbose = Verbose = 1;
134 stdname = verbose = 1;
140 min_version = SSL3_VERSION;
141 max_version = SSL3_VERSION;
144 min_version = TLS1_VERSION;
145 max_version = TLS1_VERSION;
148 min_version = TLS1_1_VERSION;
149 max_version = TLS1_1_VERSION;
152 min_version = TLS1_2_VERSION;
153 max_version = TLS1_2_VERSION;
156 min_version = TLS1_3_VERSION;
157 max_version = TLS1_3_VERSION;
160 #ifndef OPENSSL_NO_PSK
165 #ifndef OPENSSL_NO_SRP
169 case OPT_CIPHERSUITES:
170 ciphersuites = opt_arg();
175 argc = opt_num_rest();
182 if (convert != NULL) {
183 BIO_printf(bio_out, "OpenSSL cipher name: %s\n",
184 OPENSSL_cipher_name(convert));
188 ctx = SSL_CTX_new(meth);
191 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
193 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
196 #ifndef OPENSSL_NO_PSK
198 SSL_CTX_set_psk_client_callback(ctx, dummy_psk);
200 #ifndef OPENSSL_NO_SRP
202 SSL_CTX_set_srp_client_pwd_callback(ctx, dummy_srp);
205 if (ciphersuites != NULL && !SSL_CTX_set_ciphersuites(ctx, ciphersuites)) {
206 BIO_printf(bio_err, "Error setting TLSv1.3 ciphersuites\n");
210 if (ciphers != NULL) {
211 if (!SSL_CTX_set_cipher_list(ctx, ciphers)) {
212 BIO_printf(bio_err, "Error in cipher list\n");
221 sk = SSL_get1_supported_ciphers(ssl);
223 sk = SSL_get_ciphers(ssl);
226 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
227 const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
228 p = SSL_CIPHER_get_name(c);
232 BIO_printf(bio_out, ":");
233 BIO_printf(bio_out, "%s", p);
235 BIO_printf(bio_out, "\n");
238 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
241 c = sk_SSL_CIPHER_value(sk, i);
244 unsigned long id = SSL_CIPHER_get_id(c);
245 int id0 = (int)(id >> 24);
246 int id1 = (int)((id >> 16) & 0xffL);
247 int id2 = (int)((id >> 8) & 0xffL);
248 int id3 = (int)(id & 0xffL);
250 if ((id & 0xff000000L) == 0x03000000L)
251 BIO_printf(bio_out, " 0x%02X,0x%02X - ", id2, id3); /* SSL3
254 BIO_printf(bio_out, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */
257 const char *nm = SSL_CIPHER_standard_name(c);
260 BIO_printf(bio_out, "%-45s - ", nm);
262 BIO_puts(bio_out, SSL_CIPHER_description(c, buf, sizeof(buf)));
269 ERR_print_errors(bio_err);
272 sk_SSL_CIPHER_free(sk);