s23_lib.c revision 238405
155714Skris/* ssl/s23_lib.c */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 855714Skris * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 1555714Skris * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 2255714Skris * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 3755714Skris * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 4055714Skris * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 5255714Skris * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 5955714Skris#include <stdio.h> 6055714Skris#include <openssl/objects.h> 6155714Skris#include "ssl_locl.h" 6255714Skris 63160817Ssimonlong ssl23_default_timeout(void) 6455714Skris { 6555714Skris return(300); 6655714Skris } 6755714Skris 68160817Ssimonint ssl23_num_ciphers(void) 6955714Skris { 7055949Skris return(ssl3_num_ciphers() 71110007Smarkm#ifndef OPENSSL_NO_SSL2 7259194Skris + ssl2_num_ciphers() 7355949Skris#endif 7459194Skris ); 7555714Skris } 7655714Skris 77238405Sjkimconst SSL_CIPHER *ssl23_get_cipher(unsigned int u) 7855714Skris { 7955714Skris unsigned int uu=ssl3_num_ciphers(); 8055714Skris 8155714Skris if (u < uu) 8255714Skris return(ssl3_get_cipher(u)); 8355714Skris else 84110007Smarkm#ifndef OPENSSL_NO_SSL2 8555714Skris return(ssl2_get_cipher(u-uu)); 8655949Skris#else 8755949Skris return(NULL); 8855949Skris#endif 8955714Skris } 9055714Skris 9155714Skris/* This function needs to check if the ciphers required are actually 9255714Skris * available */ 93238405Sjkimconst SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p) 9455714Skris { 95238405Sjkim const SSL_CIPHER *cp; 9655714Skris 9755714Skris cp=ssl3_get_cipher_by_char(p); 98110007Smarkm#ifndef OPENSSL_NO_SSL2 9955714Skris if (cp == NULL) 10055714Skris cp=ssl2_get_cipher_by_char(p); 10155949Skris#endif 10255714Skris return(cp); 10355714Skris } 10455714Skris 105160817Ssimonint ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p) 10655714Skris { 10755714Skris long l; 10855714Skris 10955714Skris /* We can write SSLv2 and SSLv3 ciphers */ 11055714Skris if (p != NULL) 11155714Skris { 11255714Skris l=c->id; 11355714Skris p[0]=((unsigned char)(l>>16L))&0xFF; 11455714Skris p[1]=((unsigned char)(l>> 8L))&0xFF; 11555714Skris p[2]=((unsigned char)(l ))&0xFF; 11655714Skris } 11755714Skris return(3); 11855714Skris } 11955714Skris 120160817Ssimonint ssl23_read(SSL *s, void *buf, int len) 12155714Skris { 12255714Skris int n; 12355714Skris 12455714Skris clear_sys_error(); 12555714Skris if (SSL_in_init(s) && (!s->in_handshake)) 12655714Skris { 12755714Skris n=s->handshake_func(s); 12855714Skris if (n < 0) return(n); 12955714Skris if (n == 0) 13055714Skris { 13155714Skris SSLerr(SSL_F_SSL23_READ,SSL_R_SSL_HANDSHAKE_FAILURE); 13255714Skris return(-1); 13355714Skris } 13455714Skris return(SSL_read(s,buf,len)); 13555714Skris } 13655714Skris else 13755714Skris { 13855714Skris ssl_undefined_function(s); 13955714Skris return(-1); 14055714Skris } 14155714Skris } 14255714Skris 143160817Ssimonint ssl23_peek(SSL *s, void *buf, int len) 14455714Skris { 14555714Skris int n; 14655714Skris 14776870Skris clear_sys_error(); 14876870Skris if (SSL_in_init(s) && (!s->in_handshake)) 14955714Skris { 15076870Skris n=s->handshake_func(s); 15176870Skris if (n < 0) return(n); 15276870Skris if (n == 0) 15376870Skris { 15476870Skris SSLerr(SSL_F_SSL23_PEEK,SSL_R_SSL_HANDSHAKE_FAILURE); 15576870Skris return(-1); 15676870Skris } 15776870Skris return(SSL_peek(s,buf,len)); 15855714Skris } 15976870Skris else 16076870Skris { 16176870Skris ssl_undefined_function(s); 16276870Skris return(-1); 16376870Skris } 16476870Skris } 16576870Skris 166160817Ssimonint ssl23_write(SSL *s, const void *buf, int len) 16776870Skris { 16876870Skris int n; 16976870Skris 17055714Skris clear_sys_error(); 17155714Skris if (SSL_in_init(s) && (!s->in_handshake)) 17255714Skris { 17355714Skris n=s->handshake_func(s); 17455714Skris if (n < 0) return(n); 17555714Skris if (n == 0) 17655714Skris { 17755714Skris SSLerr(SSL_F_SSL23_WRITE,SSL_R_SSL_HANDSHAKE_FAILURE); 17855714Skris return(-1); 17955714Skris } 18055714Skris return(SSL_write(s,buf,len)); 18155714Skris } 18255714Skris else 18355714Skris { 18455714Skris ssl_undefined_function(s); 18555714Skris return(-1); 18655714Skris } 18755714Skris } 188