1 /* ssl/t1_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 63 const char *tls1_version_str="TLSv1" OPENSSL_VERSION_PTEXT; 64 65 static long tls1_default_timeout(void); 66 67 static SSL3_ENC_METHOD TLSv1_enc_data={ 68 tls1_enc, 69 tls1_mac, 70 tls1_setup_key_block, 71 tls1_generate_master_secret, 72 tls1_change_cipher_state, 73 tls1_final_finish_mac, 74 TLS1_FINISH_MAC_LENGTH, 75 tls1_cert_verify_mac, 76 TLS_MD_CLIENT_FINISH_CONST,TLS_MD_CLIENT_FINISH_CONST_SIZE, 77 TLS_MD_SERVER_FINISH_CONST,TLS_MD_SERVER_FINISH_CONST_SIZE, 78 tls1_alert_code, 79 }; 80 81 static SSL_METHOD TLSv1_data= { 82 TLS1_VERSION, 83 tls1_new, 84 tls1_clear, 85 tls1_free, 86 ssl_undefined_function, 87 ssl_undefined_function, 88 ssl3_read, 89 ssl3_peek, 90 ssl3_write, 91 ssl3_shutdown, 92 ssl3_renegotiate, 93 ssl3_renegotiate_check, 94 ssl3_ctrl, 95 ssl3_ctx_ctrl, 96 ssl3_get_cipher_by_char, 97 ssl3_put_cipher_by_char, 98 ssl3_pending, 99 ssl3_num_ciphers, 100 ssl3_get_cipher, 101 ssl_bad_method, 102 tls1_default_timeout, 103 &TLSv1_enc_data, 104 ssl_undefined_function, 105 ssl3_callback_ctrl, 106 ssl3_ctx_callback_ctrl, 107 }; 108 109 static long tls1_default_timeout(void) 110 { 111 /* 2 hours, the 24 hours mentioned in the TLSv1 spec 112 * is way too long for http, the cache would over fill */ 113 return(60*60*2); 114 } 115 116 SSL_METHOD *tlsv1_base_method(void) 117 { 118 return(&TLSv1_data); 119 } 120 121 int tls1_new(SSL *s) 122 { 123 if (!ssl3_new(s)) return(0); 124 s->method->ssl_clear(s); 125 return(1); 126 } 127 128 void tls1_free(SSL *s) 129 { 130 ssl3_free(s); 131 } 132 133 void tls1_clear(SSL *s) 134 { 135 ssl3_clear(s); 136 s->version=TLS1_VERSION; 137 } 138 139 #if 0 140 long tls1_ctrl(SSL *s, int cmd, long larg, char *parg) 141 { 142 return(0); 143 } 144 145 long tls1_callback_ctrl(SSL *s, int cmd, void *(*fp)()) 146 { 147 return(0); 148 } 149 #endif 150