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. 8280297Sjkim * 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). 15280297Sjkim * 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. 22280297Sjkim * 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 :-). 37280297Sjkim * 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)" 40280297Sjkim * 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. 52280297Sjkim * 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) 64280297Sjkim{ 65280297Sjkim return (300); 66280297Sjkim} 6755714Skris 68160817Ssimonint ssl23_num_ciphers(void) 69280297Sjkim{ 70280297Sjkim return (ssl3_num_ciphers() 71110007Smarkm#ifndef OPENSSL_NO_SSL2 72280297Sjkim + ssl2_num_ciphers() 7355949Skris#endif 74280297Sjkim ); 75280297Sjkim} 7655714Skris 77238405Sjkimconst SSL_CIPHER *ssl23_get_cipher(unsigned int u) 78280297Sjkim{ 79280297Sjkim unsigned int uu = ssl3_num_ciphers(); 8055714Skris 81280297Sjkim if (u < uu) 82280297Sjkim return (ssl3_get_cipher(u)); 83280297Sjkim else 84110007Smarkm#ifndef OPENSSL_NO_SSL2 85280297Sjkim return (ssl2_get_cipher(u - uu)); 8655949Skris#else 87280297Sjkim return (NULL); 8855949Skris#endif 89280297Sjkim} 9055714Skris 91280297Sjkim/* 92280297Sjkim * This function needs to check if the ciphers required are actually 93280297Sjkim * available 94280297Sjkim */ 95238405Sjkimconst SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p) 96280297Sjkim{ 97280297Sjkim const SSL_CIPHER *cp; 9855714Skris 99280297Sjkim cp = ssl3_get_cipher_by_char(p); 100110007Smarkm#ifndef OPENSSL_NO_SSL2 101280297Sjkim if (cp == NULL) 102280297Sjkim cp = ssl2_get_cipher_by_char(p); 10355949Skris#endif 104280297Sjkim return (cp); 105280297Sjkim} 10655714Skris 107160817Ssimonint ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p) 108280297Sjkim{ 109280297Sjkim long l; 11055714Skris 111280297Sjkim /* We can write SSLv2 and SSLv3 ciphers */ 112280297Sjkim /* but no ECC ciphers */ 113280297Sjkim if (c->algorithm_mkey == SSL_kECDHr || 114280297Sjkim c->algorithm_mkey == SSL_kECDHe || 115280297Sjkim c->algorithm_mkey == SSL_kEECDH || 116280297Sjkim c->algorithm_auth == SSL_aECDH || c->algorithm_auth == SSL_aECDSA) 117280297Sjkim return 0; 118280297Sjkim if (p != NULL) { 119280297Sjkim l = c->id; 120280297Sjkim p[0] = ((unsigned char)(l >> 16L)) & 0xFF; 121280297Sjkim p[1] = ((unsigned char)(l >> 8L)) & 0xFF; 122280297Sjkim p[2] = ((unsigned char)(l)) & 0xFF; 123280297Sjkim } 124280297Sjkim return (3); 125280297Sjkim} 12655714Skris 127160817Ssimonint ssl23_read(SSL *s, void *buf, int len) 128280297Sjkim{ 129280297Sjkim int n; 13055714Skris 131280297Sjkim clear_sys_error(); 132280297Sjkim if (SSL_in_init(s) && (!s->in_handshake)) { 133280297Sjkim n = s->handshake_func(s); 134280297Sjkim if (n < 0) 135280297Sjkim return (n); 136280297Sjkim if (n == 0) { 137280297Sjkim SSLerr(SSL_F_SSL23_READ, SSL_R_SSL_HANDSHAKE_FAILURE); 138280297Sjkim return (-1); 139280297Sjkim } 140280297Sjkim return (SSL_read(s, buf, len)); 141280297Sjkim } else { 142280297Sjkim ssl_undefined_function(s); 143280297Sjkim return (-1); 144280297Sjkim } 145280297Sjkim} 14655714Skris 147160817Ssimonint ssl23_peek(SSL *s, void *buf, int len) 148280297Sjkim{ 149280297Sjkim int n; 15055714Skris 151280297Sjkim clear_sys_error(); 152280297Sjkim if (SSL_in_init(s) && (!s->in_handshake)) { 153280297Sjkim n = s->handshake_func(s); 154280297Sjkim if (n < 0) 155280297Sjkim return (n); 156280297Sjkim if (n == 0) { 157280297Sjkim SSLerr(SSL_F_SSL23_PEEK, SSL_R_SSL_HANDSHAKE_FAILURE); 158280297Sjkim return (-1); 159280297Sjkim } 160280297Sjkim return (SSL_peek(s, buf, len)); 161280297Sjkim } else { 162280297Sjkim ssl_undefined_function(s); 163280297Sjkim return (-1); 164280297Sjkim } 165280297Sjkim} 16676870Skris 167160817Ssimonint ssl23_write(SSL *s, const void *buf, int len) 168280297Sjkim{ 169280297Sjkim int n; 17076870Skris 171280297Sjkim clear_sys_error(); 172280297Sjkim if (SSL_in_init(s) && (!s->in_handshake)) { 173280297Sjkim n = s->handshake_func(s); 174280297Sjkim if (n < 0) 175280297Sjkim return (n); 176280297Sjkim if (n == 0) { 177280297Sjkim SSLerr(SSL_F_SSL23_WRITE, SSL_R_SSL_HANDSHAKE_FAILURE); 178280297Sjkim return (-1); 179280297Sjkim } 180280297Sjkim return (SSL_write(s, buf, len)); 181280297Sjkim } else { 182280297Sjkim ssl_undefined_function(s); 183280297Sjkim return (-1); 184280297Sjkim } 185280297Sjkim} 186