2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
64 static int ssl23_num_ciphers(void );
65 static SSL_CIPHER
*ssl23_get_cipher(unsigned int u
);
66 static int ssl23_read(SSL
*s
, char *buf
, int len
);
67 static int ssl23_write(SSL
*s
, char *buf
, int len
);
68 static long ssl23_default_timeout(void );
69 static int ssl23_put_cipher_by_char(SSL_CIPHER
*c
, unsigned char *p
);
70 static SSL_CIPHER
*ssl23_get_cipher_by_char(unsigned char *p
);
72 static int ssl23_num_ciphers();
73 static SSL_CIPHER
*ssl23_get_cipher();
74 static int ssl23_read();
75 static int ssl23_write();
76 static long ssl23_default_timeout();
77 static int ssl23_put_cipher_by_char();
78 static SSL_CIPHER
*ssl23_get_cipher_by_char();
81 char *SSL23_version_str
="SSLv2/3 compatibility part of SSLeay/OpenSSL 0.9.1c 23-Dec-1998";
83 static SSL_METHOD SSLv23_data
= {
88 ssl_undefined_function
,
89 ssl_undefined_function
,
91 ssl_undefined_function
,
93 ssl_undefined_function
,
94 ssl_undefined_function
,
98 ssl23_get_cipher_by_char
,
99 ssl23_put_cipher_by_char
,
100 ssl_undefined_function
,
104 ssl23_default_timeout
,
105 &ssl3_undef_enc_method
,
108 static long ssl23_default_timeout()
113 SSL_METHOD
*sslv23_base_method()
115 return(&SSLv23_data
);
118 static int ssl23_num_ciphers()
120 return(ssl3_num_ciphers()+ssl2_num_ciphers());
123 static SSL_CIPHER
*ssl23_get_cipher(u
)
126 unsigned int uu
=ssl3_num_ciphers();
129 return(ssl3_get_cipher(u
));
131 return(ssl2_get_cipher(u
-uu
));
134 /* This function needs to check if the ciphers required are actually
136 static SSL_CIPHER
*ssl23_get_cipher_by_char(p
)
143 n
=ssl3_num_ciphers();
144 id
=0x03000000|((unsigned long)p
[0]<<16L)|
145 ((unsigned long)p
[1]<<8L)|(unsigned long)p
[2];
147 cp
=ssl3_get_cipher_by_char(p
);
149 cp
=ssl2_get_cipher_by_char(p
);
153 static int ssl23_put_cipher_by_char(c
,p
)
159 /* We can write SSLv2 and SSLv3 ciphers */
163 p
[0]=((unsigned char)(l
>>16L))&0xFF;
164 p
[1]=((unsigned char)(l
>> 8L))&0xFF;
165 p
[2]=((unsigned char)(l
))&0xFF;
170 static int ssl23_read(s
,buf
,len
)
178 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
)
180 s
->rwstate
=SSL_NOTHING
;
185 if (SSL_in_init(s
) && (!s
->in_handshake
))
187 n
=s
->handshake_func(s
);
188 if (n
< 0) return(n
);
191 SSLerr(SSL_F_SSL23_READ
,SSL_R_SSL_HANDSHAKE_FAILURE
);
194 return(SSL_read(s
,buf
,len
));
198 ssl_undefined_function(s
);
203 static int ssl23_write(s
,buf
,len
)
211 if (s
->shutdown
& SSL_SENT_SHUTDOWN
)
213 s
->rwstate
=SSL_NOTHING
;
218 if (SSL_in_init(s
) && (!s
->in_handshake
))
220 n
=s
->handshake_func(s
);
221 if (n
< 0) return(n
);
224 SSLerr(SSL_F_SSL23_WRITE
,SSL_R_SSL_HANDSHAKE_FAILURE
);
227 return(SSL_write(s
,buf
,len
));
231 ssl_undefined_function(s
);