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.]
65 static long ssl2_default_timeout(void );
67 static long ssl2_default_timeout();
70 char *ssl2_version_str
="SSLv2 part of SSLeay 0.9.1a 06-Jul-1998";
72 #define SSL2_NUM_CIPHERS (sizeof(ssl2_ciphers)/sizeof(SSL_CIPHER))
74 SSL_CIPHER ssl2_ciphers
[]={
75 /* NULL_WITH_MD5 v3 */
79 SSL2_TXT_NULL_WITH_MD5
,
80 SSL2_CK_NULL_WITH_MD5
,
81 SSL_kRSA
|SSL_aRSA
|SSL_eNULL
|SSL_MD5
|SSL_EXP
|SSL_SSLV2
,
86 /* RC4_128_EXPORT40_WITH_MD5 */
89 SSL2_TXT_RC4_128_EXPORT40_WITH_MD5
,
90 SSL2_CK_RC4_128_EXPORT40_WITH_MD5
,
91 SSL_kRSA
|SSL_aRSA
|SSL_RC4
|SSL_MD5
|SSL_EXP
|SSL_SSLV2
,
95 /* RC4_128_WITH_MD5 */
98 SSL2_TXT_RC4_128_WITH_MD5
,
99 SSL2_CK_RC4_128_WITH_MD5
,
100 SSL_kRSA
|SSL_aRSA
|SSL_RC4
|SSL_MD5
|SSL_NOT_EXP
|SSL_SSLV2
|SSL_MEDIUM
,
104 /* RC2_128_CBC_EXPORT40_WITH_MD5 */
107 SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5
,
108 SSL2_CK_RC2_128_CBC_EXPORT40_WITH_MD5
,
109 SSL_kRSA
|SSL_aRSA
|SSL_RC2
|SSL_MD5
|SSL_EXP
|SSL_SSLV2
,
113 /* RC2_128_CBC_WITH_MD5 */
116 SSL2_TXT_RC2_128_CBC_WITH_MD5
,
117 SSL2_CK_RC2_128_CBC_WITH_MD5
,
118 SSL_kRSA
|SSL_aRSA
|SSL_RC2
|SSL_MD5
|SSL_NOT_EXP
|SSL_SSLV2
|SSL_MEDIUM
,
122 /* IDEA_128_CBC_WITH_MD5 */
125 SSL2_TXT_IDEA_128_CBC_WITH_MD5
,
126 SSL2_CK_IDEA_128_CBC_WITH_MD5
,
127 SSL_kRSA
|SSL_aRSA
|SSL_IDEA
|SSL_MD5
|SSL_NOT_EXP
|SSL_SSLV2
|SSL_MEDIUM
,
131 /* DES_64_CBC_WITH_MD5 */
134 SSL2_TXT_DES_64_CBC_WITH_MD5
,
135 SSL2_CK_DES_64_CBC_WITH_MD5
,
136 SSL_kRSA
|SSL_aRSA
|SSL_DES
|SSL_MD5
|SSL_NOT_EXP
|SSL_SSLV2
|SSL_LOW
,
140 /* DES_192_EDE3_CBC_WITH_MD5 */
143 SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5
,
144 SSL2_CK_DES_192_EDE3_CBC_WITH_MD5
,
145 SSL_kRSA
|SSL_aRSA
|SSL_3DES
|SSL_MD5
|SSL_NOT_EXP
|SSL_SSLV2
|SSL_HIGH
,
149 /* RC4_64_WITH_MD5 */
153 SSL2_TXT_RC4_64_WITH_MD5
,
154 SSL2_CK_RC4_64_WITH_MD5
,
155 SSL_kRSA
|SSL_aRSA
|SSL_RC4
|SSL_MD5
|SSL_SSLV2
|SSL_LOW
,
160 /* NULL SSLeay (testing) */
171 /* end of list :-) */
174 static SSL_METHOD SSLv2_data
= {
176 ssl2_new
, /* local */
177 ssl2_clear
, /* local */
178 ssl2_free
, /* local */
179 ssl_undefined_function
,
180 ssl_undefined_function
,
185 ssl_ok
, /* NULL - renegotiate */
186 ssl_ok
, /* NULL - check renegotiate */
187 ssl2_ctrl
, /* local */
188 ssl2_ctx_ctrl
, /* local */
189 ssl2_get_cipher_by_char
,
190 ssl2_put_cipher_by_char
,
195 ssl2_default_timeout
,
196 &ssl3_undef_enc_method
,
199 static long ssl2_default_timeout()
204 SSL_METHOD
*sslv2_base_method()
209 int ssl2_num_ciphers()
211 return(SSL2_NUM_CIPHERS
);
214 SSL_CIPHER
*ssl2_get_cipher(u
)
217 if (u
< SSL2_NUM_CIPHERS
)
218 return(&(ssl2_ciphers
[SSL2_NUM_CIPHERS
-1-u
]));
226 return(s
->s2
->ract_data_length
);
234 if ((s2
=(SSL2_CTX
*)Malloc(sizeof(SSL2_CTX
))) == NULL
) goto err
;
235 memset(s2
,0,sizeof(SSL2_CTX
));
237 if ((s2
->rbuf
=(unsigned char *)Malloc(
238 SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER
+2)) == NULL
) goto err
;
239 if ((s2
->wbuf
=(unsigned char *)Malloc(
240 SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER
+2)) == NULL
) goto err
;
248 if (s2
->wbuf
!= NULL
) Free(s2
->wbuf
);
249 if (s2
->rbuf
!= NULL
) Free(s2
->rbuf
);
261 if (s2
->rbuf
!= NULL
) Free(s2
->rbuf
);
262 if (s2
->wbuf
!= NULL
) Free(s2
->wbuf
);
263 memset(s2
,0,sizeof(SSL2_CTX
));
272 unsigned char *rbuf
,*wbuf
;
279 memset(s2
,0,sizeof(SSL2_CTX
));
285 s
->version
=SSL2_VERSION
;
289 long ssl2_ctrl(s
,cmd
,larg
,parg
)
299 case SSL_CTRL_GET_SESSION_REUSED
:
308 long ssl2_ctx_ctrl(ctx
,cmd
,larg
,parg
)
317 /* This function needs to check if the ciphers required are actually
319 SSL_CIPHER
*ssl2_get_cipher_by_char(p
)
323 static SSL_CIPHER
*sorted
[SSL2_NUM_CIPHERS
];
324 SSL_CIPHER c
,*cp
= &c
,**cpp
;
332 for (i
=0; i
<SSL2_NUM_CIPHERS
; i
++)
333 sorted
[i
]= &(ssl2_ciphers
[i
]);
335 qsort( (char *)sorted
,
336 SSL2_NUM_CIPHERS
,sizeof(SSL_CIPHER
*),
337 FP_ICC ssl_cipher_ptr_id_cmp
);
340 id
=0x02000000L
|((unsigned long)p
[0]<<16L)|
341 ((unsigned long)p
[1]<<8L)|(unsigned long)p
[2];
343 cpp
=(SSL_CIPHER
**)OBJ_bsearch((char *)&cp
,
345 SSL2_NUM_CIPHERS
,sizeof(SSL_CIPHER
*),
346 (int (*)())ssl_cipher_ptr_id_cmp
);
347 if ((cpp
== NULL
) || !(*cpp
)->valid
)
353 int ssl2_put_cipher_by_char(c
,p
)
362 if ((l
& 0xff000000) != 0x02000000) return(0);
363 p
[0]=((unsigned char)(l
>>16L))&0xFF;
364 p
[1]=((unsigned char)(l
>> 8L))&0xFF;
365 p
[2]=((unsigned char)(l
))&0xFF;
370 void ssl2_generate_key_material(s
)
378 km
=s
->s2
->key_material
;
379 for (i
=0; i
<s
->s2
->key_material_length
; i
+=MD5_DIGEST_LENGTH
)
383 MD5_Update(&ctx
,s
->session
->master_key
,s
->session
->master_key_length
);
384 MD5_Update(&ctx
,(unsigned char *)&c
,1);
386 MD5_Update(&ctx
,s
->s2
->challenge
,s
->s2
->challenge_length
);
387 MD5_Update(&ctx
,s
->s2
->conn_id
,s
->s2
->conn_id_length
);
389 km
+=MD5_DIGEST_LENGTH
;
393 void ssl2_return_error(s
,err
)
407 void ssl2_write_error(s
)
413 buf
[0]=SSL2_MT_ERROR
;
414 buf
[1]=(s
->error_code
>>8)&0xff;
415 buf
[2]=(s
->error_code
)&0xff;
417 /* state=s->rwstate;*/
420 i
=ssl2_write(s
,&(buf
[3-error
]),error
);
421 /* if (i == error) s->rwstate=state; */
425 else if (i
!= s
->error
)
434 s
->shutdown
=(SSL_SENT_SHUTDOWN
|SSL_RECEIVED_SHUTDOWN
);