2 /* Copyright (C) 1995-1997 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 typedef struct ssl_session_asn1_st
68 ASN1_INTEGER ssl_version
;
69 ASN1_OCTET_STRING cipher
;
70 ASN1_OCTET_STRING master_key
;
71 ASN1_OCTET_STRING session_id
;
72 ASN1_OCTET_STRING key_arg
;
78 * SSLerr(SSL_F_I2D_SSL_SESSION,SSL_R_CIPHER_CODE_WRONG_LENGTH);
79 * SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_UNSUPPORTED_CIPHER);
82 int i2d_SSL_SESSION(in
,pp
)
86 #define LSIZE2 (sizeof(long)*2)
88 unsigned char buf
[4],ibuf1
[LSIZE2
],ibuf2
[LSIZE2
];
89 unsigned char ibuf3
[LSIZE2
],ibuf4
[LSIZE2
];
94 if ((in
== NULL
) || ((in
->cipher
== NULL
) && (in
->cipher_id
== 0)))
97 /* Note that I cheat in the following 2 assignments. I know
98 * that if the ASN1_INTERGER passed to ASN1_INTEGER_set
99 * is > sizeof(long)+1, the buffer will not be re-Malloc()ed.
100 * This is a bit evil but makes things simple, no dynamic allocation
102 a
.version
.length
=LSIZE2
;
103 a
.version
.type
=V_ASN1_INTEGER
;
104 a
.version
.data
=ibuf1
;
105 ASN1_INTEGER_set(&(a
.version
),SSL_SESSION_ASN1_VERSION
);
107 a
.ssl_version
.length
=LSIZE2
;
108 a
.ssl_version
.type
=V_ASN1_INTEGER
;
109 a
.ssl_version
.data
=ibuf2
;
110 ASN1_INTEGER_set(&(a
.ssl_version
),in
->ssl_version
);
112 a
.cipher
.type
=V_ASN1_OCTET_STRING
;
115 if (in
->cipher
== NULL
)
119 if (in
->ssl_version
== 2)
122 buf
[0]=((unsigned char)(l
>>16L))&0xff;
123 buf
[1]=((unsigned char)(l
>> 8L))&0xff;
124 buf
[2]=((unsigned char)(l
))&0xff;
129 buf
[0]=((unsigned char)(l
>>8L))&0xff;
130 buf
[1]=((unsigned char)(l
))&0xff;
133 a
.master_key
.length
=in
->master_key_length
;
134 a
.master_key
.type
=V_ASN1_OCTET_STRING
;
135 a
.master_key
.data
=in
->master_key
;
137 a
.session_id
.length
=in
->session_id_length
;
138 a
.session_id
.type
=V_ASN1_OCTET_STRING
;
139 a
.session_id
.data
=in
->session_id
;
141 a
.key_arg
.length
=in
->key_arg_length
;
142 a
.key_arg
.type
=V_ASN1_OCTET_STRING
;
143 a
.key_arg
.data
=in
->key_arg
;
147 a
.time
.length
=LSIZE2
;
148 a
.time
.type
=V_ASN1_INTEGER
;
150 ASN1_INTEGER_set(&(a
.time
),in
->time
);
153 if (in
->timeout
!= 0L)
155 a
.timeout
.length
=LSIZE2
;
156 a
.timeout
.type
=V_ASN1_INTEGER
;
157 a
.timeout
.data
=ibuf4
;
158 ASN1_INTEGER_set(&(a
.timeout
),in
->timeout
);
161 M_ASN1_I2D_len(&(a
.version
), i2d_ASN1_INTEGER
);
162 M_ASN1_I2D_len(&(a
.ssl_version
), i2d_ASN1_INTEGER
);
163 M_ASN1_I2D_len(&(a
.cipher
), i2d_ASN1_OCTET_STRING
);
164 M_ASN1_I2D_len(&(a
.session_id
), i2d_ASN1_OCTET_STRING
);
165 M_ASN1_I2D_len(&(a
.master_key
), i2d_ASN1_OCTET_STRING
);
166 if (in
->key_arg_length
> 0)
167 M_ASN1_I2D_len_IMP_opt(&(a
.key_arg
),i2d_ASN1_OCTET_STRING
);
169 M_ASN1_I2D_len_EXP_opt(&(a
.time
),i2d_ASN1_INTEGER
,1,v1
);
170 if (in
->timeout
!= 0L)
171 M_ASN1_I2D_len_EXP_opt(&(a
.timeout
),i2d_ASN1_INTEGER
,2,v2
);
172 if (in
->peer
!= NULL
)
173 M_ASN1_I2D_len_EXP_opt(in
->peer
,i2d_X509
,3,v3
);
175 M_ASN1_I2D_seq_total();
177 M_ASN1_I2D_put(&(a
.version
), i2d_ASN1_INTEGER
);
178 M_ASN1_I2D_put(&(a
.ssl_version
), i2d_ASN1_INTEGER
);
179 M_ASN1_I2D_put(&(a
.cipher
), i2d_ASN1_OCTET_STRING
);
180 M_ASN1_I2D_put(&(a
.session_id
), i2d_ASN1_OCTET_STRING
);
181 M_ASN1_I2D_put(&(a
.master_key
), i2d_ASN1_OCTET_STRING
);
182 if (in
->key_arg_length
> 0)
183 M_ASN1_I2D_put_IMP_opt(&(a
.key_arg
),i2d_ASN1_OCTET_STRING
,0);
185 M_ASN1_I2D_put_EXP_opt(&(a
.time
),i2d_ASN1_INTEGER
,1,v1
);
186 if (in
->timeout
!= 0L)
187 M_ASN1_I2D_put_EXP_opt(&(a
.timeout
),i2d_ASN1_INTEGER
,2,v2
);
188 if (in
->peer
!= NULL
)
189 M_ASN1_I2D_put_EXP_opt(in
->peer
,i2d_X509
,3,v3
);
194 SSL_SESSION
*d2i_SSL_SESSION(a
,pp
,length
)
199 int version
,ssl_version
=0,i
;
201 ASN1_INTEGER ai
,*aip
;
202 ASN1_OCTET_STRING os
,*osp
;
203 M_ASN1_D2I_vars(a
,SSL_SESSION
*,SSL_SESSION_new
);
209 M_ASN1_D2I_start_sequence();
211 ai
.data
=NULL
; ai
.length
=0;
212 M_ASN1_D2I_get(aip
,d2i_ASN1_INTEGER
);
213 version
=(int)ASN1_INTEGER_get(aip
);
214 if (ai
.data
!= NULL
) { Free(ai
.data
); ai
.data
=NULL
; ai
.length
=0; }
216 /* we don't care about the version right now :-) */
217 M_ASN1_D2I_get(aip
,d2i_ASN1_INTEGER
);
218 ssl_version
=(int)ASN1_INTEGER_get(aip
);
219 ret
->ssl_version
=ssl_version
;
220 if (ai
.data
!= NULL
) { Free(ai
.data
); ai
.data
=NULL
; ai
.length
=0; }
222 os
.data
=NULL
; os
.length
=0;
223 M_ASN1_D2I_get(osp
,d2i_ASN1_OCTET_STRING
);
224 if (ssl_version
== 2)
228 c
.error
=SSL_R_CIPHER_CODE_WRONG_LENGTH
;
232 ((unsigned long)os
.data
[0]<<16L)|
233 ((unsigned long)os
.data
[1]<< 8L)|
234 (unsigned long)os
.data
[2];
236 else if (ssl_version
== 3)
240 c
.error
=SSL_R_CIPHER_CODE_WRONG_LENGTH
;
244 ((unsigned long)os
.data
[0]<<8L)|
245 (unsigned long)os
.data
[1];
249 SSLerr(SSL_F_D2I_SSL_SESSION
,SSL_R_UNKNOWN_SSL_VERSION
);
256 M_ASN1_D2I_get(osp
,d2i_ASN1_OCTET_STRING
);
257 if (ssl_version
== 3)
258 i
=SSL3_MAX_SSL_SESSION_ID_LENGTH
;
259 else /* if (ssl_version == 2) */
260 i
=SSL2_MAX_SSL_SESSION_ID_LENGTH
;
265 ret
->session_id_length
=os
.length
;
266 memcpy(ret
->session_id
,os
.data
,os
.length
);
268 M_ASN1_D2I_get(osp
,d2i_ASN1_OCTET_STRING
);
269 if (ret
->master_key_length
> SSL_MAX_MASTER_KEY_LENGTH
)
270 ret
->master_key_length
=SSL_MAX_MASTER_KEY_LENGTH
;
272 ret
->master_key_length
=os
.length
;
273 memcpy(ret
->master_key
,os
.data
,ret
->master_key_length
);
276 M_ASN1_D2I_get_IMP_opt(osp
,d2i_ASN1_OCTET_STRING
,0,V_ASN1_OCTET_STRING
);
277 if (os
.length
> SSL_MAX_KEY_ARG_LENGTH
)
278 ret
->key_arg_length
=SSL_MAX_KEY_ARG_LENGTH
;
280 ret
->key_arg_length
=os
.length
;
281 memcpy(ret
->key_arg
,os
.data
,ret
->key_arg_length
);
282 if (os
.data
!= NULL
) Free(os
.data
);
285 M_ASN1_D2I_get_EXP_opt(aip
,d2i_ASN1_INTEGER
,1);
288 ret
->time
=ASN1_INTEGER_get(aip
);
289 Free(ai
.data
); ai
.data
=NULL
; ai
.length
=0;
292 ret
->time
=time(NULL
);
295 M_ASN1_D2I_get_EXP_opt(aip
,d2i_ASN1_INTEGER
,2);
298 ret
->timeout
=ASN1_INTEGER_get(aip
);
299 Free(ai
.data
); ai
.data
=NULL
; ai
.length
=0;
304 if (ret
->peer
!= NULL
)
306 X509_free(ret
->peer
);
309 M_ASN1_D2I_get_EXP_opt(ret
->peer
,d2i_X509
,3);
311 M_ASN1_D2I_Finish(a
,SSL_SESSION_free
,SSL_F_D2I_SSL_SESSION
);