/* apps/ciphers.c */ /* 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> #ifdef OPENSSL_NO_STDIO #define APPS_WIN16 #endif #include "apps.h" #include <openssl/err.h> #include <openssl/ssl.h> #undef PROG #define PROG ciphers_main static const char *ciphers_usage[]={ "usage: ciphers args\n", " -v - verbose mode, a textual listing of the SSL/TLS ciphers in OpenSSL\n", " -V - even more verbose\n", " -ssl2 - SSL2 mode\n", " -ssl3 - SSL3 mode\n", " -tls1 - TLS1 mode\n", NULL }; int MAIN(int, char **); int MAIN(int argc, char **argv) { int ret=1,i; int verbose=0,Verbose=0; const char **pp; const char *p; int badops=0; SSL_CTX *ctx=NULL; SSL *ssl=NULL; char *ciphers=NULL; const SSL_METHOD *meth=NULL; STACK_OF(SSL_CIPHER) *sk; char buf[512]; BIO *STDout=NULL; #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) meth=SSLv23_server_method(); #elif !defined(OPENSSL_NO_SSL3) meth=SSLv3_server_method(); #elif !defined(OPENSSL_NO_SSL2) meth=SSLv2_server_method(); #endif apps_startup(); if (bio_err == NULL) bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); STDout=BIO_new_fp(stdout,BIO_NOCLOSE); #ifdef OPENSSL_SYS_VMS { BIO *tmpbio = BIO_new(BIO_f_linebuffer()); STDout = BIO_push(tmpbio, STDout); } #endif if (!load_config(bio_err, NULL)) goto end; argc--; argv++; while (argc >= 1) { if (strcmp(*argv,"-v") == 0) verbose=1; else if (strcmp(*argv,"-V") == 0) verbose=Verbose=1; #ifndef OPENSSL_NO_SSL2 else if (strcmp(*argv,"-ssl2") == 0) meth=SSLv2_client_method(); #endif #ifndef OPENSSL_NO_SSL3 else if (strcmp(*argv,"-ssl3") == 0) meth=SSLv3_client_method(); #endif #ifndef OPENSSL_NO_TLS1 else if (strcmp(*argv,"-tls1") == 0) meth=TLSv1_client_method(); #endif else if ((strncmp(*argv,"-h",2) == 0) || (strcmp(*argv,"-?") == 0)) { badops=1; break; } else { ciphers= *argv; } argc--; argv++; } if (badops) { for (pp=ciphers_usage; (*pp != NULL); pp++) BIO_printf(bio_err,"%s",*pp); goto end; } OpenSSL_add_ssl_algorithms(); 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 (!verbose) { for (i=0; ; i++) { p=SSL_get_cipher_list(ssl,i); if (p == NULL) break; if (i != 0) BIO_printf(STDout,":"); BIO_printf(STDout,"%s",p); } BIO_printf(STDout,"\n"); } else /* verbose */ { sk=SSL_get_ciphers(ssl); 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 = c->id; 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) == 0x02000000L) BIO_printf(STDout, " 0x%02X,0x%02X,0x%02X - ", id1, id2, id3); /* SSL2 cipher */ else if ((id & 0xff000000L) == 0x03000000L) BIO_printf(STDout, " 0x%02X,0x%02X - ", id2, id3); /* SSL3 cipher */ else BIO_printf(STDout, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */ } BIO_puts(STDout,SSL_CIPHER_description(c,buf,sizeof buf)); } } ret=0; if (0) { err: SSL_load_error_strings(); ERR_print_errors(bio_err); } end: if (ctx != NULL) SSL_CTX_free(ctx); if (ssl != NULL) SSL_free(ssl); if (STDout != NULL) BIO_free_all(STDout); apps_shutdown(); OPENSSL_EXIT(ret); }