xref: /freebsd/crypto/openssl/ssl/t1_lib.c (revision 4f29da19bd44f0e99f021510460a81bf754c21d2)
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