1/* ssl/s23_lib.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 <openssl/objects.h> 61#include "ssl_locl.h" 62 63long ssl23_default_timeout(void) 64 { 65 return(300); 66 } 67 68IMPLEMENT_ssl23_meth_func(sslv23_base_method, 69 ssl_undefined_function, 70 ssl_undefined_function, 71 ssl_bad_method) 72 73int ssl23_num_ciphers(void) 74 { 75 return(ssl3_num_ciphers() 76#ifndef OPENSSL_NO_SSL2 77 + ssl2_num_ciphers() 78#endif 79 ); 80 } 81 82SSL_CIPHER *ssl23_get_cipher(unsigned int u) 83 { 84 unsigned int uu=ssl3_num_ciphers(); 85 86 if (u < uu) 87 return(ssl3_get_cipher(u)); 88 else 89#ifndef OPENSSL_NO_SSL2 90 return(ssl2_get_cipher(u-uu)); 91#else 92 return(NULL); 93#endif 94 } 95 96/* This function needs to check if the ciphers required are actually 97 * available */ 98SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p) 99 { 100 SSL_CIPHER c,*cp; 101 unsigned long id; 102 int n; 103 104 n=ssl3_num_ciphers(); 105 id=0x03000000|((unsigned long)p[0]<<16L)| 106 ((unsigned long)p[1]<<8L)|(unsigned long)p[2]; 107 c.id=id; 108 cp=ssl3_get_cipher_by_char(p); 109#ifndef OPENSSL_NO_SSL2 110 if (cp == NULL) 111 cp=ssl2_get_cipher_by_char(p); 112#endif 113 return(cp); 114 } 115 116int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p) 117 { 118 long l; 119 120 /* We can write SSLv2 and SSLv3 ciphers */ 121 if (p != NULL) 122 { 123 l=c->id; 124 p[0]=((unsigned char)(l>>16L))&0xFF; 125 p[1]=((unsigned char)(l>> 8L))&0xFF; 126 p[2]=((unsigned char)(l ))&0xFF; 127 } 128 return(3); 129 } 130 131int ssl23_read(SSL *s, void *buf, int len) 132 { 133 int n; 134 135 clear_sys_error(); 136 if (SSL_in_init(s) && (!s->in_handshake)) 137 { 138 n=s->handshake_func(s); 139 if (n < 0) return(n); 140 if (n == 0) 141 { 142 SSLerr(SSL_F_SSL23_READ,SSL_R_SSL_HANDSHAKE_FAILURE); 143 return(-1); 144 } 145 return(SSL_read(s,buf,len)); 146 } 147 else 148 { 149 ssl_undefined_function(s); 150 return(-1); 151 } 152 } 153 154int ssl23_peek(SSL *s, void *buf, int len) 155 { 156 int n; 157 158 clear_sys_error(); 159 if (SSL_in_init(s) && (!s->in_handshake)) 160 { 161 n=s->handshake_func(s); 162 if (n < 0) return(n); 163 if (n == 0) 164 { 165 SSLerr(SSL_F_SSL23_PEEK,SSL_R_SSL_HANDSHAKE_FAILURE); 166 return(-1); 167 } 168 return(SSL_peek(s,buf,len)); 169 } 170 else 171 { 172 ssl_undefined_function(s); 173 return(-1); 174 } 175 } 176 177int ssl23_write(SSL *s, const void *buf, int len) 178 { 179 int n; 180 181 clear_sys_error(); 182 if (SSL_in_init(s) && (!s->in_handshake)) 183 { 184 n=s->handshake_func(s); 185 if (n < 0) return(n); 186 if (n == 0) 187 { 188 SSLerr(SSL_F_SSL23_WRITE,SSL_R_SSL_HANDSHAKE_FAILURE); 189 return(-1); 190 } 191 return(SSL_write(s,buf,len)); 192 } 193 else 194 { 195 ssl_undefined_function(s); 196 return(-1); 197 } 198 } 199