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.]
62 #include <openssl/asn1_mac.h>
63 #include <openssl/objects.h>
64 #include <openssl/x509.h>
66 typedef struct ssl_session_asn1_st
69 ASN1_INTEGER ssl_version
;
70 ASN1_OCTET_STRING cipher
;
71 ASN1_OCTET_STRING comp_id
;
72 ASN1_OCTET_STRING master_key
;
73 ASN1_OCTET_STRING session_id
;
74 ASN1_OCTET_STRING session_id_context
;
75 ASN1_OCTET_STRING key_arg
;
76 #ifndef OPENSSL_NO_KRB5
77 ASN1_OCTET_STRING krb5_princ
;
78 #endif /* OPENSSL_NO_KRB5 */
81 ASN1_INTEGER verify_result
;
82 #ifndef OPENSSL_NO_TLSEXT
83 ASN1_OCTET_STRING tlsext_hostname
;
84 ASN1_INTEGER tlsext_tick_lifetime
;
85 ASN1_OCTET_STRING tlsext_tick
;
86 #endif /* OPENSSL_NO_TLSEXT */
89 int i2d_SSL_SESSION(SSL_SESSION
*in
, unsigned char **pp
)
91 #define LSIZE2 (sizeof(long)*2)
92 int v1
=0,v2
=0,v3
=0,v4
=0,v5
=0;
93 unsigned char buf
[4],ibuf1
[LSIZE2
],ibuf2
[LSIZE2
];
94 unsigned char ibuf3
[LSIZE2
],ibuf4
[LSIZE2
],ibuf5
[LSIZE2
];
95 #ifndef OPENSSL_NO_TLSEXT
97 unsigned char ibuf6
[LSIZE2
];
99 #ifndef OPENSSL_NO_COMP
107 if ((in
== NULL
) || ((in
->cipher
== NULL
) && (in
->cipher_id
== 0)))
110 /* Note that I cheat in the following 2 assignments. I know
111 * that if the ASN1_INTEGER passed to ASN1_INTEGER_set
112 * is > sizeof(long)+1, the buffer will not be re-OPENSSL_malloc()ed.
113 * This is a bit evil but makes things simple, no dynamic allocation
115 a
.version
.length
=LSIZE2
;
116 a
.version
.type
=V_ASN1_INTEGER
;
117 a
.version
.data
=ibuf1
;
118 ASN1_INTEGER_set(&(a
.version
),SSL_SESSION_ASN1_VERSION
);
120 a
.ssl_version
.length
=LSIZE2
;
121 a
.ssl_version
.type
=V_ASN1_INTEGER
;
122 a
.ssl_version
.data
=ibuf2
;
123 ASN1_INTEGER_set(&(a
.ssl_version
),in
->ssl_version
);
125 a
.cipher
.type
=V_ASN1_OCTET_STRING
;
128 if (in
->cipher
== NULL
)
132 if (in
->ssl_version
== SSL2_VERSION
)
135 buf
[0]=((unsigned char)(l
>>16L))&0xff;
136 buf
[1]=((unsigned char)(l
>> 8L))&0xff;
137 buf
[2]=((unsigned char)(l
))&0xff;
142 buf
[0]=((unsigned char)(l
>>8L))&0xff;
143 buf
[1]=((unsigned char)(l
))&0xff;
146 #ifndef OPENSSL_NO_COMP
147 if (in
->compress_meth
)
149 cbuf
= (unsigned char)in
->compress_meth
;
150 a
.comp_id
.length
= 1;
151 a
.comp_id
.type
= V_ASN1_OCTET_STRING
;
152 a
.comp_id
.data
= &cbuf
;
156 a
.master_key
.length
=in
->master_key_length
;
157 a
.master_key
.type
=V_ASN1_OCTET_STRING
;
158 a
.master_key
.data
=in
->master_key
;
160 a
.session_id
.length
=in
->session_id_length
;
161 a
.session_id
.type
=V_ASN1_OCTET_STRING
;
162 a
.session_id
.data
=in
->session_id
;
164 a
.session_id_context
.length
=in
->sid_ctx_length
;
165 a
.session_id_context
.type
=V_ASN1_OCTET_STRING
;
166 a
.session_id_context
.data
=in
->sid_ctx
;
168 a
.key_arg
.length
=in
->key_arg_length
;
169 a
.key_arg
.type
=V_ASN1_OCTET_STRING
;
170 a
.key_arg
.data
=in
->key_arg
;
172 #ifndef OPENSSL_NO_KRB5
173 if (in
->krb5_client_princ_len
)
175 a
.krb5_princ
.length
=in
->krb5_client_princ_len
;
176 a
.krb5_princ
.type
=V_ASN1_OCTET_STRING
;
177 a
.krb5_princ
.data
=in
->krb5_client_princ
;
179 #endif /* OPENSSL_NO_KRB5 */
183 a
.time
.length
=LSIZE2
;
184 a
.time
.type
=V_ASN1_INTEGER
;
186 ASN1_INTEGER_set(&(a
.time
),in
->time
);
189 if (in
->timeout
!= 0L)
191 a
.timeout
.length
=LSIZE2
;
192 a
.timeout
.type
=V_ASN1_INTEGER
;
193 a
.timeout
.data
=ibuf4
;
194 ASN1_INTEGER_set(&(a
.timeout
),in
->timeout
);
197 if (in
->verify_result
!= X509_V_OK
)
199 a
.verify_result
.length
=LSIZE2
;
200 a
.verify_result
.type
=V_ASN1_INTEGER
;
201 a
.verify_result
.data
=ibuf5
;
202 ASN1_INTEGER_set(&a
.verify_result
,in
->verify_result
);
205 #ifndef OPENSSL_NO_TLSEXT
206 if (in
->tlsext_hostname
)
208 a
.tlsext_hostname
.length
=strlen(in
->tlsext_hostname
);
209 a
.tlsext_hostname
.type
=V_ASN1_OCTET_STRING
;
210 a
.tlsext_hostname
.data
=(unsigned char *)in
->tlsext_hostname
;
214 a
.tlsext_tick
.length
= in
->tlsext_ticklen
;
215 a
.tlsext_tick
.type
=V_ASN1_OCTET_STRING
;
216 a
.tlsext_tick
.data
=(unsigned char *)in
->tlsext_tick
;
218 if (in
->tlsext_tick_lifetime_hint
> 0)
220 a
.tlsext_tick_lifetime
.length
=LSIZE2
;
221 a
.tlsext_tick_lifetime
.type
=V_ASN1_INTEGER
;
222 a
.tlsext_tick_lifetime
.data
=ibuf6
;
223 ASN1_INTEGER_set(&a
.tlsext_tick_lifetime
,in
->tlsext_tick_lifetime_hint
);
225 #endif /* OPENSSL_NO_TLSEXT */
226 M_ASN1_I2D_len(&(a
.version
), i2d_ASN1_INTEGER
);
227 M_ASN1_I2D_len(&(a
.ssl_version
), i2d_ASN1_INTEGER
);
228 M_ASN1_I2D_len(&(a
.cipher
), i2d_ASN1_OCTET_STRING
);
229 M_ASN1_I2D_len(&(a
.session_id
), i2d_ASN1_OCTET_STRING
);
230 M_ASN1_I2D_len(&(a
.master_key
), i2d_ASN1_OCTET_STRING
);
231 #ifndef OPENSSL_NO_KRB5
232 if (in
->krb5_client_princ_len
)
233 M_ASN1_I2D_len(&(a
.krb5_princ
), i2d_ASN1_OCTET_STRING
);
234 #endif /* OPENSSL_NO_KRB5 */
235 if (in
->key_arg_length
> 0)
236 M_ASN1_I2D_len_IMP_opt(&(a
.key_arg
),i2d_ASN1_OCTET_STRING
);
238 M_ASN1_I2D_len_EXP_opt(&(a
.time
),i2d_ASN1_INTEGER
,1,v1
);
239 if (in
->timeout
!= 0L)
240 M_ASN1_I2D_len_EXP_opt(&(a
.timeout
),i2d_ASN1_INTEGER
,2,v2
);
241 if (in
->peer
!= NULL
)
242 M_ASN1_I2D_len_EXP_opt(in
->peer
,i2d_X509
,3,v3
);
243 M_ASN1_I2D_len_EXP_opt(&a
.session_id_context
,i2d_ASN1_OCTET_STRING
,4,v4
);
244 if (in
->verify_result
!= X509_V_OK
)
245 M_ASN1_I2D_len_EXP_opt(&(a
.verify_result
),i2d_ASN1_INTEGER
,5,v5
);
247 #ifndef OPENSSL_NO_TLSEXT
248 if (in
->tlsext_tick_lifetime_hint
> 0)
249 M_ASN1_I2D_len_EXP_opt(&a
.tlsext_tick_lifetime
, i2d_ASN1_INTEGER
,9,v9
);
251 M_ASN1_I2D_len_EXP_opt(&(a
.tlsext_tick
), i2d_ASN1_OCTET_STRING
,10,v10
);
252 if (in
->tlsext_hostname
)
253 M_ASN1_I2D_len_EXP_opt(&(a
.tlsext_hostname
), i2d_ASN1_OCTET_STRING
,6,v6
);
254 #ifndef OPENSSL_NO_COMP
255 if (in
->compress_meth
)
256 M_ASN1_I2D_len_EXP_opt(&(a
.comp_id
), i2d_ASN1_OCTET_STRING
,11,v11
);
258 #endif /* OPENSSL_NO_TLSEXT */
259 M_ASN1_I2D_seq_total();
261 M_ASN1_I2D_put(&(a
.version
), i2d_ASN1_INTEGER
);
262 M_ASN1_I2D_put(&(a
.ssl_version
), i2d_ASN1_INTEGER
);
263 M_ASN1_I2D_put(&(a
.cipher
), i2d_ASN1_OCTET_STRING
);
264 M_ASN1_I2D_put(&(a
.session_id
), i2d_ASN1_OCTET_STRING
);
265 M_ASN1_I2D_put(&(a
.master_key
), i2d_ASN1_OCTET_STRING
);
266 #ifndef OPENSSL_NO_KRB5
267 if (in
->krb5_client_princ_len
)
268 M_ASN1_I2D_put(&(a
.krb5_princ
), i2d_ASN1_OCTET_STRING
);
269 #endif /* OPENSSL_NO_KRB5 */
270 if (in
->key_arg_length
> 0)
271 M_ASN1_I2D_put_IMP_opt(&(a
.key_arg
),i2d_ASN1_OCTET_STRING
,0);
273 M_ASN1_I2D_put_EXP_opt(&(a
.time
),i2d_ASN1_INTEGER
,1,v1
);
274 if (in
->timeout
!= 0L)
275 M_ASN1_I2D_put_EXP_opt(&(a
.timeout
),i2d_ASN1_INTEGER
,2,v2
);
276 if (in
->peer
!= NULL
)
277 M_ASN1_I2D_put_EXP_opt(in
->peer
,i2d_X509
,3,v3
);
278 M_ASN1_I2D_put_EXP_opt(&a
.session_id_context
,i2d_ASN1_OCTET_STRING
,4,
280 if (in
->verify_result
!= X509_V_OK
)
281 M_ASN1_I2D_put_EXP_opt(&a
.verify_result
,i2d_ASN1_INTEGER
,5,v5
);
282 #ifndef OPENSSL_NO_TLSEXT
283 if (in
->tlsext_hostname
)
284 M_ASN1_I2D_put_EXP_opt(&(a
.tlsext_hostname
), i2d_ASN1_OCTET_STRING
,6,v6
);
285 if (in
->tlsext_tick_lifetime_hint
> 0)
286 M_ASN1_I2D_put_EXP_opt(&a
.tlsext_tick_lifetime
, i2d_ASN1_INTEGER
,9,v9
);
288 M_ASN1_I2D_put_EXP_opt(&(a
.tlsext_tick
), i2d_ASN1_OCTET_STRING
,10,v10
);
289 #endif /* OPENSSL_NO_TLSEXT */
290 #ifndef OPENSSL_NO_COMP
291 if (in
->compress_meth
)
292 M_ASN1_I2D_put_EXP_opt(&(a
.comp_id
), i2d_ASN1_OCTET_STRING
,11,v11
);
297 SSL_SESSION
*d2i_SSL_SESSION(SSL_SESSION
**a
, const unsigned char **pp
,
302 ASN1_INTEGER ai
,*aip
;
303 ASN1_OCTET_STRING os
,*osp
;
304 M_ASN1_D2I_vars(a
,SSL_SESSION
*,SSL_SESSION_new
);
310 M_ASN1_D2I_start_sequence();
312 ai
.data
=NULL
; ai
.length
=0;
313 M_ASN1_D2I_get_x(ASN1_INTEGER
,aip
,d2i_ASN1_INTEGER
);
314 if (ai
.data
!= NULL
) { OPENSSL_free(ai
.data
); ai
.data
=NULL
; ai
.length
=0; }
316 /* we don't care about the version right now :-) */
317 M_ASN1_D2I_get_x(ASN1_INTEGER
,aip
,d2i_ASN1_INTEGER
);
318 ssl_version
=(int)ASN1_INTEGER_get(aip
);
319 ret
->ssl_version
=ssl_version
;
320 if (ai
.data
!= NULL
) { OPENSSL_free(ai
.data
); ai
.data
=NULL
; ai
.length
=0; }
322 os
.data
=NULL
; os
.length
=0;
323 M_ASN1_D2I_get_x(ASN1_OCTET_STRING
,osp
,d2i_ASN1_OCTET_STRING
);
324 if (ssl_version
== SSL2_VERSION
)
328 c
.error
=SSL_R_CIPHER_CODE_WRONG_LENGTH
;
332 ((unsigned long)os
.data
[0]<<16L)|
333 ((unsigned long)os
.data
[1]<< 8L)|
334 (unsigned long)os
.data
[2];
336 else if ((ssl_version
>>8) >= SSL3_VERSION_MAJOR
)
340 c
.error
=SSL_R_CIPHER_CODE_WRONG_LENGTH
;
344 ((unsigned long)os
.data
[0]<<8L)|
345 (unsigned long)os
.data
[1];
349 c
.error
=SSL_R_UNKNOWN_SSL_VERSION
;
356 M_ASN1_D2I_get_x(ASN1_OCTET_STRING
,osp
,d2i_ASN1_OCTET_STRING
);
357 if ((ssl_version
>>8) >= SSL3_VERSION_MAJOR
)
358 i
=SSL3_MAX_SSL_SESSION_ID_LENGTH
;
359 else /* if (ssl_version>>8 == SSL2_VERSION_MAJOR) */
360 i
=SSL2_MAX_SSL_SESSION_ID_LENGTH
;
364 if (os
.length
> (int)sizeof(ret
->session_id
)) /* can't happen */
365 os
.length
= sizeof(ret
->session_id
);
367 ret
->session_id_length
=os
.length
;
368 OPENSSL_assert(os
.length
<= (int)sizeof(ret
->session_id
));
369 memcpy(ret
->session_id
,os
.data
,os
.length
);
371 M_ASN1_D2I_get_x(ASN1_OCTET_STRING
,osp
,d2i_ASN1_OCTET_STRING
);
372 if (os
.length
> SSL_MAX_MASTER_KEY_LENGTH
)
373 ret
->master_key_length
=SSL_MAX_MASTER_KEY_LENGTH
;
375 ret
->master_key_length
=os
.length
;
376 memcpy(ret
->master_key
,os
.data
,ret
->master_key_length
);
380 #ifndef OPENSSL_NO_KRB5
382 M_ASN1_D2I_get_opt(osp
,d2i_ASN1_OCTET_STRING
,V_ASN1_OCTET_STRING
);
385 if (os
.length
> SSL_MAX_KRB5_PRINCIPAL_LENGTH
)
386 ret
->krb5_client_princ_len
=0;
388 ret
->krb5_client_princ_len
=os
.length
;
389 memcpy(ret
->krb5_client_princ
,os
.data
,ret
->krb5_client_princ_len
);
390 OPENSSL_free(os
.data
);
395 ret
->krb5_client_princ_len
=0;
396 #endif /* OPENSSL_NO_KRB5 */
398 M_ASN1_D2I_get_IMP_opt(osp
,d2i_ASN1_OCTET_STRING
,0,V_ASN1_OCTET_STRING
);
399 if (os
.length
> SSL_MAX_KEY_ARG_LENGTH
)
400 ret
->key_arg_length
=SSL_MAX_KEY_ARG_LENGTH
;
402 ret
->key_arg_length
=os
.length
;
403 memcpy(ret
->key_arg
,os
.data
,ret
->key_arg_length
);
404 if (os
.data
!= NULL
) OPENSSL_free(os
.data
);
407 M_ASN1_D2I_get_EXP_opt(aip
,d2i_ASN1_INTEGER
,1);
410 ret
->time
=ASN1_INTEGER_get(aip
);
411 OPENSSL_free(ai
.data
); ai
.data
=NULL
; ai
.length
=0;
414 ret
->time
=(unsigned long)time(NULL
);
417 M_ASN1_D2I_get_EXP_opt(aip
,d2i_ASN1_INTEGER
,2);
420 ret
->timeout
=ASN1_INTEGER_get(aip
);
421 OPENSSL_free(ai
.data
); ai
.data
=NULL
; ai
.length
=0;
426 if (ret
->peer
!= NULL
)
428 X509_free(ret
->peer
);
431 M_ASN1_D2I_get_EXP_opt(ret
->peer
,d2i_X509
,3);
435 M_ASN1_D2I_get_EXP_opt(osp
,d2i_ASN1_OCTET_STRING
,4);
439 if (os
.length
> SSL_MAX_SID_CTX_LENGTH
)
441 c
.error
=SSL_R_BAD_LENGTH
;
446 ret
->sid_ctx_length
=os
.length
;
447 memcpy(ret
->sid_ctx
,os
.data
,os
.length
);
449 OPENSSL_free(os
.data
); os
.data
=NULL
; os
.length
=0;
452 ret
->sid_ctx_length
=0;
455 M_ASN1_D2I_get_EXP_opt(aip
,d2i_ASN1_INTEGER
,5);
458 ret
->verify_result
=ASN1_INTEGER_get(aip
);
459 OPENSSL_free(ai
.data
); ai
.data
=NULL
; ai
.length
=0;
462 ret
->verify_result
=X509_V_OK
;
464 #ifndef OPENSSL_NO_TLSEXT
467 M_ASN1_D2I_get_EXP_opt(osp
,d2i_ASN1_OCTET_STRING
,6);
470 ret
->tlsext_hostname
= BUF_strndup((char *)os
.data
, os
.length
);
471 OPENSSL_free(os
.data
);
476 ret
->tlsext_hostname
=NULL
;
478 M_ASN1_D2I_get_EXP_opt(aip
,d2i_ASN1_INTEGER
,9);
481 ret
->tlsext_tick_lifetime_hint
=ASN1_INTEGER_get(aip
);
482 OPENSSL_free(ai
.data
); ai
.data
=NULL
; ai
.length
=0;
484 else if (ret
->tlsext_ticklen
&& ret
->session_id_length
)
485 ret
->tlsext_tick_lifetime_hint
= -1;
487 ret
->tlsext_tick_lifetime_hint
= 0;
490 M_ASN1_D2I_get_EXP_opt(osp
,d2i_ASN1_OCTET_STRING
,10);
493 ret
->tlsext_tick
= os
.data
;
494 ret
->tlsext_ticklen
= os
.length
;
499 ret
->tlsext_tick
=NULL
;
500 #endif /* OPENSSL_NO_TLSEXT */
501 #ifndef OPENSSL_NO_COMP
504 M_ASN1_D2I_get_EXP_opt(osp
,d2i_ASN1_OCTET_STRING
,11);
507 ret
->compress_meth
= os
.data
[0];
508 OPENSSL_free(os
.data
);
513 M_ASN1_D2I_Finish(a
,SSL_SESSION_free
,SSL_F_D2I_SSL_SESSION
);