1 /* apps/ciphers.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #include <stdio.h> 60 #include <stdlib.h> 61 #include <string.h> 62 #ifdef NO_STDIO 63 #define APPS_WIN16 64 #endif 65 #include "apps.h" 66 #include <openssl/err.h> 67 #include <openssl/ssl.h> 68 69 #if defined(NO_RSA) && !defined(NO_SSL2) 70 #define NO_SSL2 71 #endif 72 73 #undef PROG 74 #define PROG ciphers_main 75 76 static char *ciphers_usage[]={ 77 "usage: ciphers args\n", 78 " -v - verbose mode, a textual listing of the ciphers in SSLeay\n", 79 " -ssl2 - SSL2 mode\n", 80 " -ssl3 - SSL3 mode\n", 81 NULL 82 }; 83 84 int MAIN(int argc, char **argv) 85 { 86 int ret=1,i; 87 int verbose=0; 88 char **pp; 89 const char *p; 90 int badops=0; 91 SSL_CTX *ctx=NULL; 92 SSL *ssl=NULL; 93 char *ciphers=NULL; 94 SSL_METHOD *meth=NULL; 95 STACK_OF(SSL_CIPHER) *sk; 96 char buf[512]; 97 BIO *STDout=NULL; 98 99 #if !defined(NO_SSL2) && !defined(NO_SSL3) 100 meth=SSLv23_server_method(); 101 #elif !defined(NO_SSL3) 102 meth=SSLv3_server_method(); 103 #elif !defined(NO_SSL2) 104 meth=SSLv2_server_method(); 105 #endif 106 107 apps_startup(); 108 109 if (bio_err == NULL) 110 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 111 STDout=BIO_new_fp(stdout,BIO_NOCLOSE); 112 113 argc--; 114 argv++; 115 while (argc >= 1) 116 { 117 if (strcmp(*argv,"-v") == 0) 118 verbose=1; 119 #ifndef NO_SSL2 120 else if (strcmp(*argv,"-ssl2") == 0) 121 meth=SSLv2_client_method(); 122 #endif 123 #ifndef NO_SSL3 124 else if (strcmp(*argv,"-ssl3") == 0) 125 meth=SSLv3_client_method(); 126 #endif 127 else if ((strncmp(*argv,"-h",2) == 0) || 128 (strcmp(*argv,"-?") == 0)) 129 { 130 badops=1; 131 break; 132 } 133 else 134 { 135 ciphers= *argv; 136 } 137 argc--; 138 argv++; 139 } 140 141 if (badops) 142 { 143 for (pp=ciphers_usage; (*pp != NULL); pp++) 144 BIO_printf(bio_err,*pp); 145 goto end; 146 } 147 148 SSLeay_add_ssl_algorithms(); 149 150 ctx=SSL_CTX_new(meth); 151 if (ctx == NULL) goto err; 152 if (ciphers != NULL) 153 SSL_CTX_set_cipher_list(ctx,ciphers); 154 ssl=SSL_new(ctx); 155 if (ssl == NULL) goto err; 156 157 158 if (!verbose) 159 { 160 for (i=0; ; i++) 161 { 162 p=SSL_get_cipher_list(ssl,i); 163 if (p == NULL) break; 164 if (i != 0) BIO_printf(STDout,":"); 165 BIO_printf(STDout,"%s",p); 166 } 167 BIO_printf(STDout,"\n"); 168 } 169 else 170 { 171 sk=SSL_get_ciphers(ssl); 172 173 for (i=0; i<sk_SSL_CIPHER_num(sk); i++) 174 { 175 BIO_puts(STDout,SSL_CIPHER_description( 176 sk_SSL_CIPHER_value(sk,i), 177 buf,512)); 178 } 179 } 180 181 ret=0; 182 if (0) 183 { 184 err: 185 SSL_load_error_strings(); 186 ERR_print_errors(bio_err); 187 } 188 end: 189 if (ctx != NULL) SSL_CTX_free(ctx); 190 if (ssl != NULL) SSL_free(ssl); 191 if (STDout != NULL) BIO_free(STDout); 192 EXIT(ret); 193 } 194 195