crypto/openssl-0.9.7d/ssl/t1_lib.c

   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