|  | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | 
|  | * All rights reserved. | 
|  | * | 
|  | * This package is an SSL implementation written | 
|  | * by Eric Young (eay@cryptsoft.com). | 
|  | * The implementation was written so as to conform with Netscapes SSL. | 
|  | * | 
|  | * This library is free for commercial and non-commercial use as long as | 
|  | * the following conditions are aheared to.  The following conditions | 
|  | * apply to all code found in this distribution, be it the RC4, RSA, | 
|  | * lhash, DES, etc., code; not just the SSL code.  The SSL documentation | 
|  | * included with this distribution is covered by the same copyright terms | 
|  | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | 
|  | * | 
|  | * Copyright remains Eric Young's, and as such any Copyright notices in | 
|  | * the code are not to be removed. | 
|  | * If this package is used in a product, Eric Young should be given attribution | 
|  | * as the author of the parts of the library used. | 
|  | * This can be in the form of a textual message at program startup or | 
|  | * in documentation (online or textual) provided with the package. | 
|  | * | 
|  | * Redistribution and use in source and binary forms, with or without | 
|  | * modification, are permitted provided that the following conditions | 
|  | * are met: | 
|  | * 1. Redistributions of source code must retain the copyright | 
|  | *    notice, this list of conditions and the following disclaimer. | 
|  | * 2. Redistributions in binary form must reproduce the above copyright | 
|  | *    notice, this list of conditions and the following disclaimer in the | 
|  | *    documentation and/or other materials provided with the distribution. | 
|  | * 3. All advertising materials mentioning features or use of this software | 
|  | *    must display the following acknowledgement: | 
|  | *    "This product includes cryptographic software written by | 
|  | *     Eric Young (eay@cryptsoft.com)" | 
|  | *    The word 'cryptographic' can be left out if the rouines from the library | 
|  | *    being used are not cryptographic related :-). | 
|  | * 4. If you include any Windows specific code (or a derivative thereof) from | 
|  | *    the apps directory (application code) you must include an acknowledgement: | 
|  | *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | 
|  | * | 
|  | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | 
|  | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
|  | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 
|  | * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | 
|  | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 
|  | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | 
|  | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | 
|  | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | 
|  | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 
|  | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 
|  | * SUCH DAMAGE. | 
|  | * | 
|  | * The licence and distribution terms for any publically available version or | 
|  | * derivative of this code cannot be changed.  i.e. this code cannot simply be | 
|  | * copied and put under another distribution licence | 
|  | * [including the GNU Public Licence.] | 
|  | */ | 
|  |  | 
|  | #include <stdio.h> | 
|  | #include <stdlib.h> | 
|  | #include <string.h> | 
|  | #include "apps.h" | 
|  | #include <openssl/err.h> | 
|  | #include <openssl/ssl.h> | 
|  |  | 
|  | typedef enum OPTION_choice { | 
|  | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | 
|  | #ifndef OPENSSL_NO_SSL_TRACE | 
|  | OPT_STDNAME, | 
|  | #endif | 
|  | #ifndef OPENSSL_NO_SSL3 | 
|  | OPT_SSL3, | 
|  | #endif | 
|  | OPT_TLS1, | 
|  | OPT_V, OPT_UPPER_V, OPT_S | 
|  | } OPTION_CHOICE; | 
|  |  | 
|  | OPTIONS ciphers_options[] = { | 
|  | {"help", OPT_HELP, '-', "Display this summary"}, | 
|  | {"v", OPT_V, '-', "Verbose listing of the SSL/TLS ciphers"}, | 
|  | {"V", OPT_UPPER_V, '-', "Even more verbose"}, | 
|  | {"s", OPT_S, '-', "Only supported ciphers"}, | 
|  | #ifndef OPENSSL_NO_SSL_TRACE | 
|  | {"stdname", OPT_STDNAME, '-', "Show standard cipher names"}, | 
|  | #endif | 
|  | #ifndef OPENSSL_NO_SSL3 | 
|  | {"ssl3", OPT_SSL3, '-', "SSL3 mode"}, | 
|  | #endif | 
|  | {"tls1", OPT_TLS1, '-', "TLS1 mode"}, | 
|  | {NULL} | 
|  | }; | 
|  |  | 
|  | int ciphers_main(int argc, char **argv) | 
|  | { | 
|  | SSL_CTX *ctx = NULL; | 
|  | SSL *ssl = NULL; | 
|  | STACK_OF(SSL_CIPHER) *sk = NULL; | 
|  | const SSL_METHOD *meth = SSLv23_server_method(); | 
|  | int ret = 1, i, verbose = 0, Verbose = 0, use_supported = 0; | 
|  | #ifndef OPENSSL_NO_SSL_TRACE | 
|  | int stdname = 0; | 
|  | #endif | 
|  | const char *p; | 
|  | char *ciphers = NULL, *prog; | 
|  | char buf[512]; | 
|  | OPTION_CHOICE o; | 
|  |  | 
|  | prog = opt_init(argc, argv, ciphers_options); | 
|  | while ((o = opt_next()) != OPT_EOF) { | 
|  | switch (o) { | 
|  | case OPT_EOF: | 
|  | case OPT_ERR: | 
|  | opthelp: | 
|  | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | 
|  | goto end; | 
|  | case OPT_HELP: | 
|  | opt_help(ciphers_options); | 
|  | ret = 0; | 
|  | goto end; | 
|  | case OPT_V: | 
|  | verbose = 1; | 
|  | break; | 
|  | case OPT_UPPER_V: | 
|  | verbose = Verbose = 1; | 
|  | break; | 
|  | case OPT_S: | 
|  | use_supported = 1; | 
|  | break; | 
|  | #ifndef OPENSSL_NO_SSL_TRACE | 
|  | case OPT_STDNAME: | 
|  | stdname = verbose = 1; | 
|  | break; | 
|  | #endif | 
|  | #ifndef OPENSSL_NO_SSL3 | 
|  | case OPT_SSL3: | 
|  | meth = SSLv3_client_method(); | 
|  | break; | 
|  | #endif | 
|  | case OPT_TLS1: | 
|  | meth = TLSv1_client_method(); | 
|  | break; | 
|  | } | 
|  | } | 
|  | argv = opt_rest(); | 
|  | argc = opt_num_rest(); | 
|  |  | 
|  | if (argc == 1) | 
|  | ciphers = *argv; | 
|  | else if (argc != 0) | 
|  | goto opthelp; | 
|  |  | 
|  | ctx = SSL_CTX_new(meth); | 
|  | if (ctx == NULL) | 
|  | goto err; | 
|  | if (ciphers != NULL) { | 
|  | if (!SSL_CTX_set_cipher_list(ctx, ciphers)) { | 
|  | BIO_printf(bio_err, "Error in cipher list\n"); | 
|  | goto err; | 
|  | } | 
|  | } | 
|  | ssl = SSL_new(ctx); | 
|  | if (ssl == NULL) | 
|  | goto err; | 
|  |  | 
|  | if (use_supported) | 
|  | sk = SSL_get1_supported_ciphers(ssl); | 
|  | else | 
|  | sk = SSL_get_ciphers(ssl); | 
|  |  | 
|  | if (!verbose) { | 
|  | for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) { | 
|  | SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i); | 
|  | p = SSL_CIPHER_get_name(c); | 
|  | if (p == NULL) | 
|  | break; | 
|  | if (i != 0) | 
|  | BIO_printf(bio_out, ":"); | 
|  | BIO_printf(bio_out, "%s", p); | 
|  | } | 
|  | BIO_printf(bio_out, "\n"); | 
|  | } else { | 
|  |  | 
|  | for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) { | 
|  | SSL_CIPHER *c; | 
|  |  | 
|  | c = sk_SSL_CIPHER_value(sk, i); | 
|  |  | 
|  | if (Verbose) { | 
|  | unsigned long id = SSL_CIPHER_get_id(c); | 
|  | int id0 = (int)(id >> 24); | 
|  | int id1 = (int)((id >> 16) & 0xffL); | 
|  | int id2 = (int)((id >> 8) & 0xffL); | 
|  | int id3 = (int)(id & 0xffL); | 
|  |  | 
|  | if ((id & 0xff000000L) == 0x03000000L) | 
|  | BIO_printf(bio_out, "          0x%02X,0x%02X - ", id2, id3); /* SSL3 | 
|  | * cipher */ | 
|  | else | 
|  | BIO_printf(bio_out, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */ | 
|  | } | 
|  | #ifndef OPENSSL_NO_SSL_TRACE | 
|  | if (stdname) { | 
|  | const char *nm = SSL_CIPHER_standard_name(c); | 
|  | if (nm == NULL) | 
|  | nm = "UNKNOWN"; | 
|  | BIO_printf(bio_out, "%s - ", nm); | 
|  | } | 
|  | #endif | 
|  | BIO_puts(bio_out, SSL_CIPHER_description(c, buf, sizeof buf)); | 
|  | } | 
|  | } | 
|  |  | 
|  | ret = 0; | 
|  | goto end; | 
|  | err: | 
|  | ERR_print_errors(bio_err); | 
|  | end: | 
|  | if (use_supported && sk) | 
|  | sk_SSL_CIPHER_free(sk); | 
|  | SSL_CTX_free(ctx); | 
|  | SSL_free(ssl); | 
|  | return (ret); | 
|  | } |