Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 OPENSSL_NO_STDIO |
| 63 | #define APPS_WIN16 |
| 64 | #endif |
| 65 | #include "apps.h" |
| 66 | #include <openssl/err.h> |
| 67 | #include <openssl/ssl.h> |
| 68 | |
| 69 | #undef PROG |
| 70 | #define PROG ciphers_main |
| 71 | |
| 72 | static const char *ciphers_usage[]={ |
| 73 | "usage: ciphers args\n", |
| 74 | " -v - verbose mode, a textual listing of the SSL/TLS ciphers in OpenSSL\n", |
| 75 | " -V - even more verbose\n", |
| 76 | " -ssl2 - SSL2 mode\n", |
| 77 | " -ssl3 - SSL3 mode\n", |
| 78 | " -tls1 - TLS1 mode\n", |
| 79 | NULL |
| 80 | }; |
| 81 | |
| 82 | int MAIN(int, char **); |
| 83 | |
| 84 | int MAIN(int argc, char **argv) |
| 85 | { |
| 86 | int ret=1,i; |
| 87 | int verbose=0,Verbose=0; |
| 88 | const char **pp; |
| 89 | const char *p; |
| 90 | int badops=0; |
| 91 | SSL_CTX *ctx=NULL; |
| 92 | SSL *ssl=NULL; |
| 93 | char *ciphers=NULL; |
| 94 | const SSL_METHOD *meth=NULL; |
| 95 | STACK_OF(SSL_CIPHER) *sk; |
| 96 | char buf[512]; |
| 97 | BIO *STDout=NULL; |
| 98 | |
| 99 | #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) |
| 100 | meth=SSLv23_server_method(); |
| 101 | #elif !defined(OPENSSL_NO_SSL3) |
| 102 | meth=SSLv3_server_method(); |
| 103 | #elif !defined(OPENSSL_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 | #ifdef OPENSSL_SYS_VMS |
| 113 | { |
| 114 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
| 115 | STDout = BIO_push(tmpbio, STDout); |
| 116 | } |
| 117 | #endif |
| 118 | if (!load_config(bio_err, NULL)) |
| 119 | goto end; |
| 120 | |
| 121 | argc--; |
| 122 | argv++; |
| 123 | while (argc >= 1) |
| 124 | { |
| 125 | if (strcmp(*argv,"-v") == 0) |
| 126 | verbose=1; |
| 127 | else if (strcmp(*argv,"-V") == 0) |
| 128 | verbose=Verbose=1; |
| 129 | #ifndef OPENSSL_NO_SSL2 |
| 130 | else if (strcmp(*argv,"-ssl2") == 0) |
| 131 | meth=SSLv2_client_method(); |
| 132 | #endif |
| 133 | #ifndef OPENSSL_NO_SSL3 |
| 134 | else if (strcmp(*argv,"-ssl3") == 0) |
| 135 | meth=SSLv3_client_method(); |
| 136 | #endif |
| 137 | #ifndef OPENSSL_NO_TLS1 |
| 138 | else if (strcmp(*argv,"-tls1") == 0) |
| 139 | meth=TLSv1_client_method(); |
| 140 | #endif |
| 141 | else if ((strncmp(*argv,"-h",2) == 0) || |
| 142 | (strcmp(*argv,"-?") == 0)) |
| 143 | { |
| 144 | badops=1; |
| 145 | break; |
| 146 | } |
| 147 | else |
| 148 | { |
| 149 | ciphers= *argv; |
| 150 | } |
| 151 | argc--; |
| 152 | argv++; |
| 153 | } |
| 154 | |
| 155 | if (badops) |
| 156 | { |
| 157 | for (pp=ciphers_usage; (*pp != NULL); pp++) |
| 158 | BIO_printf(bio_err,"%s",*pp); |
| 159 | goto end; |
| 160 | } |
| 161 | |
| 162 | OpenSSL_add_ssl_algorithms(); |
| 163 | |
| 164 | ctx=SSL_CTX_new(meth); |
| 165 | if (ctx == NULL) goto err; |
| 166 | if (ciphers != NULL) { |
| 167 | if(!SSL_CTX_set_cipher_list(ctx,ciphers)) { |
| 168 | BIO_printf(bio_err, "Error in cipher list\n"); |
| 169 | goto err; |
| 170 | } |
| 171 | } |
| 172 | ssl=SSL_new(ctx); |
| 173 | if (ssl == NULL) goto err; |
| 174 | |
| 175 | |
| 176 | if (!verbose) |
| 177 | { |
| 178 | for (i=0; ; i++) |
| 179 | { |
| 180 | p=SSL_get_cipher_list(ssl,i); |
| 181 | if (p == NULL) break; |
| 182 | if (i != 0) BIO_printf(STDout,":"); |
| 183 | BIO_printf(STDout,"%s",p); |
| 184 | } |
| 185 | BIO_printf(STDout,"\n"); |
| 186 | } |
| 187 | else /* verbose */ |
| 188 | { |
| 189 | sk=SSL_get_ciphers(ssl); |
| 190 | |
| 191 | for (i=0; i<sk_SSL_CIPHER_num(sk); i++) |
| 192 | { |
| 193 | SSL_CIPHER *c; |
| 194 | |
| 195 | c = sk_SSL_CIPHER_value(sk,i); |
| 196 | |
| 197 | if (Verbose) |
| 198 | { |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 199 | unsigned long id = c->id; |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 200 | int id0 = (int)(id >> 24); |
| 201 | int id1 = (int)((id >> 16) & 0xffL); |
| 202 | int id2 = (int)((id >> 8) & 0xffL); |
| 203 | int id3 = (int)(id & 0xffL); |
| 204 | |
| 205 | if ((id & 0xff000000L) == 0x02000000L) |
| 206 | BIO_printf(STDout, " 0x%02X,0x%02X,0x%02X - ", id1, id2, id3); /* SSL2 cipher */ |
| 207 | else if ((id & 0xff000000L) == 0x03000000L) |
| 208 | BIO_printf(STDout, " 0x%02X,0x%02X - ", id2, id3); /* SSL3 cipher */ |
| 209 | else |
| 210 | BIO_printf(STDout, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */ |
| 211 | } |
| 212 | |
| 213 | BIO_puts(STDout,SSL_CIPHER_description(c,buf,sizeof buf)); |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | ret=0; |
| 218 | if (0) |
| 219 | { |
| 220 | err: |
| 221 | SSL_load_error_strings(); |
| 222 | ERR_print_errors(bio_err); |
| 223 | } |
| 224 | end: |
| 225 | if (ctx != NULL) SSL_CTX_free(ctx); |
| 226 | if (ssl != NULL) SSL_free(ssl); |
| 227 | if (STDout != NULL) BIO_free_all(STDout); |
| 228 | apps_shutdown(); |
| 229 | OPENSSL_EXIT(ret); |
| 230 | } |
| 231 | |