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.]
58 /* ====================================================================
59 * Copyright 2005 Nokia. All rights reserved.
61 * The portions of the attached software ("Contribution") is developed by
62 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
65 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
66 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
67 * support (see RFC 4279) to OpenSSL.
69 * No patent licenses or other rights except those expressly stated in
70 * the OpenSSL open source license shall be deemed granted or received
71 * expressly, by implication, estoppel, or otherwise.
73 * No assurances are provided by Nokia that the Contribution does not
74 * infringe the patent or other intellectual property rights of any third
75 * party or that the license provides you with all the necessary rights
76 * to make use of the Contribution.
78 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
79 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
80 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
81 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
88 #include <openssl/asn1_mac.h>
89 #include <openssl/objects.h>
90 #include <openssl/x509.h>
92 typedef struct ssl_session_asn1_st
95 ASN1_INTEGER ssl_version
;
96 ASN1_OCTET_STRING cipher
;
97 ASN1_OCTET_STRING master_key
;
98 ASN1_OCTET_STRING session_id
;
99 ASN1_OCTET_STRING session_id_context
;
100 ASN1_OCTET_STRING key_arg
;
101 #ifndef OPENSSL_NO_KRB5
102 ASN1_OCTET_STRING krb5_princ
;
103 #endif /* OPENSSL_NO_KRB5 */
105 ASN1_INTEGER timeout
;
106 ASN1_INTEGER verify_result
;
107 #ifndef OPENSSL_NO_TLSEXT
108 ASN1_OCTET_STRING tlsext_hostname
;
109 #endif /* OPENSSL_NO_TLSEXT */
110 #ifndef OPENSSL_NO_PSK
111 ASN1_OCTET_STRING psk_identity_hint
;
112 ASN1_OCTET_STRING psk_identity
;
113 #endif /* OPENSSL_NO_PSK */
116 int i2d_SSL_SESSION(SSL_SESSION
*in
, unsigned char **pp
)
118 #define LSIZE2 (sizeof(long)*2)
119 int v1
=0,v2
=0,v3
=0,v4
=0,v5
=0,v6
=0,v7
=0,v8
=0;
120 unsigned char buf
[4],ibuf1
[LSIZE2
],ibuf2
[LSIZE2
];
121 unsigned char ibuf3
[LSIZE2
],ibuf4
[LSIZE2
],ibuf5
[LSIZE2
];
126 if ((in
== NULL
) || ((in
->cipher
== NULL
) && (in
->cipher_id
== 0)))
129 /* Note that I cheat in the following 2 assignments. I know
130 * that if the ASN1_INTEGER passed to ASN1_INTEGER_set
131 * is > sizeof(long)+1, the buffer will not be re-OPENSSL_malloc()ed.
132 * This is a bit evil but makes things simple, no dynamic allocation
134 a
.version
.length
=LSIZE2
;
135 a
.version
.type
=V_ASN1_INTEGER
;
136 a
.version
.data
=ibuf1
;
137 ASN1_INTEGER_set(&(a
.version
),SSL_SESSION_ASN1_VERSION
);
139 a
.ssl_version
.length
=LSIZE2
;
140 a
.ssl_version
.type
=V_ASN1_INTEGER
;
141 a
.ssl_version
.data
=ibuf2
;
142 ASN1_INTEGER_set(&(a
.ssl_version
),in
->ssl_version
);
144 a
.cipher
.type
=V_ASN1_OCTET_STRING
;
147 if (in
->cipher
== NULL
)
151 if (in
->ssl_version
== SSL2_VERSION
)
154 buf
[0]=((unsigned char)(l
>>16L))&0xff;
155 buf
[1]=((unsigned char)(l
>> 8L))&0xff;
156 buf
[2]=((unsigned char)(l
))&0xff;
161 buf
[0]=((unsigned char)(l
>>8L))&0xff;
162 buf
[1]=((unsigned char)(l
))&0xff;
165 a
.master_key
.length
=in
->master_key_length
;
166 a
.master_key
.type
=V_ASN1_OCTET_STRING
;
167 a
.master_key
.data
=in
->master_key
;
169 a
.session_id
.length
=in
->session_id_length
;
170 a
.session_id
.type
=V_ASN1_OCTET_STRING
;
171 a
.session_id
.data
=in
->session_id
;
173 a
.session_id_context
.length
=in
->sid_ctx_length
;
174 a
.session_id_context
.type
=V_ASN1_OCTET_STRING
;
175 a
.session_id_context
.data
=in
->sid_ctx
;
177 a
.key_arg
.length
=in
->key_arg_length
;
178 a
.key_arg
.type
=V_ASN1_OCTET_STRING
;
179 a
.key_arg
.data
=in
->key_arg
;
181 #ifndef OPENSSL_NO_KRB5
182 if (in
->krb5_client_princ_len
)
184 a
.krb5_princ
.length
=in
->krb5_client_princ_len
;
185 a
.krb5_princ
.type
=V_ASN1_OCTET_STRING
;
186 a
.krb5_princ
.data
=in
->krb5_client_princ
;
188 #endif /* OPENSSL_NO_KRB5 */
192 a
.time
.length
=LSIZE2
;
193 a
.time
.type
=V_ASN1_INTEGER
;
195 ASN1_INTEGER_set(&(a
.time
),in
->time
);
198 if (in
->timeout
!= 0L)
200 a
.timeout
.length
=LSIZE2
;
201 a
.timeout
.type
=V_ASN1_INTEGER
;
202 a
.timeout
.data
=ibuf4
;
203 ASN1_INTEGER_set(&(a
.timeout
),in
->timeout
);
206 if (in
->verify_result
!= X509_V_OK
)
208 a
.verify_result
.length
=LSIZE2
;
209 a
.verify_result
.type
=V_ASN1_INTEGER
;
210 a
.verify_result
.data
=ibuf5
;
211 ASN1_INTEGER_set(&a
.verify_result
,in
->verify_result
);
214 #ifndef OPENSSL_NO_TLSEXT
215 if (in
->tlsext_hostname
)
217 a
.tlsext_hostname
.length
=strlen(in
->tlsext_hostname
);
218 a
.tlsext_hostname
.type
=V_ASN1_OCTET_STRING
;
219 a
.tlsext_hostname
.data
=(unsigned char *)in
->tlsext_hostname
;
221 #endif /* OPENSSL_NO_TLSEXT */
222 #ifndef OPENSSL_NO_PSK
223 if (in
->psk_identity_hint
)
225 a
.psk_identity_hint
.length
=strlen(in
->psk_identity_hint
);
226 a
.psk_identity_hint
.type
=V_ASN1_OCTET_STRING
;
227 a
.psk_identity_hint
.data
=in
->psk_identity_hint
;
229 if (in
->psk_identity
)
231 a
.psk_identity
.length
=strlen(in
->psk_identity
);
232 a
.psk_identity
.type
=V_ASN1_OCTET_STRING
;
233 a
.psk_identity
.data
=in
->psk_identity
;
235 #endif /* OPENSSL_NO_PSK */
237 M_ASN1_I2D_len(&(a
.version
), i2d_ASN1_INTEGER
);
238 M_ASN1_I2D_len(&(a
.ssl_version
), i2d_ASN1_INTEGER
);
239 M_ASN1_I2D_len(&(a
.cipher
), i2d_ASN1_OCTET_STRING
);
240 M_ASN1_I2D_len(&(a
.session_id
), i2d_ASN1_OCTET_STRING
);
241 M_ASN1_I2D_len(&(a
.master_key
), i2d_ASN1_OCTET_STRING
);
242 #ifndef OPENSSL_NO_KRB5
243 if (in
->krb5_client_princ_len
)
244 M_ASN1_I2D_len(&(a
.krb5_princ
), i2d_ASN1_OCTET_STRING
);
245 #endif /* OPENSSL_NO_KRB5 */
246 if (in
->key_arg_length
> 0)
247 M_ASN1_I2D_len_IMP_opt(&(a
.key_arg
),i2d_ASN1_OCTET_STRING
);
249 M_ASN1_I2D_len_EXP_opt(&(a
.time
),i2d_ASN1_INTEGER
,1,v1
);
250 if (in
->timeout
!= 0L)
251 M_ASN1_I2D_len_EXP_opt(&(a
.timeout
),i2d_ASN1_INTEGER
,2,v2
);
252 if (in
->peer
!= NULL
)
253 M_ASN1_I2D_len_EXP_opt(in
->peer
,i2d_X509
,3,v3
);
254 M_ASN1_I2D_len_EXP_opt(&a
.session_id_context
,i2d_ASN1_OCTET_STRING
,4,v4
);
255 if (in
->verify_result
!= X509_V_OK
)
256 M_ASN1_I2D_len_EXP_opt(&(a
.verify_result
),i2d_ASN1_INTEGER
,5,v5
);
258 #ifndef OPENSSL_NO_TLSEXT
259 if (in
->tlsext_hostname
)
260 M_ASN1_I2D_len_EXP_opt(&(a
.tlsext_hostname
), i2d_ASN1_OCTET_STRING
,6,v6
);
261 #endif /* OPENSSL_NO_TLSEXT */
262 #ifndef OPENSSL_NO_PSK
263 if (in
->psk_identity_hint
)
264 M_ASN1_I2D_len_EXP_opt(&(a
.psk_identity_hint
), i2d_ASN1_OCTET_STRING
,6,v7
);
265 if (in
->psk_identity
)
266 M_ASN1_I2D_len_EXP_opt(&(a
.psk_identity
), i2d_ASN1_OCTET_STRING
,7,v8
);
267 #endif /* OPENSSL_NO_PSK */
269 M_ASN1_I2D_seq_total();
271 M_ASN1_I2D_put(&(a
.version
), i2d_ASN1_INTEGER
);
272 M_ASN1_I2D_put(&(a
.ssl_version
), i2d_ASN1_INTEGER
);
273 M_ASN1_I2D_put(&(a
.cipher
), i2d_ASN1_OCTET_STRING
);
274 M_ASN1_I2D_put(&(a
.session_id
), i2d_ASN1_OCTET_STRING
);
275 M_ASN1_I2D_put(&(a
.master_key
), i2d_ASN1_OCTET_STRING
);
276 #ifndef OPENSSL_NO_KRB5
277 if (in
->krb5_client_princ_len
)
278 M_ASN1_I2D_put(&(a
.krb5_princ
), i2d_ASN1_OCTET_STRING
);
279 #endif /* OPENSSL_NO_KRB5 */
280 if (in
->key_arg_length
> 0)
281 M_ASN1_I2D_put_IMP_opt(&(a
.key_arg
),i2d_ASN1_OCTET_STRING
,0);
283 M_ASN1_I2D_put_EXP_opt(&(a
.time
),i2d_ASN1_INTEGER
,1,v1
);
284 if (in
->timeout
!= 0L)
285 M_ASN1_I2D_put_EXP_opt(&(a
.timeout
),i2d_ASN1_INTEGER
,2,v2
);
286 if (in
->peer
!= NULL
)
287 M_ASN1_I2D_put_EXP_opt(in
->peer
,i2d_X509
,3,v3
);
288 M_ASN1_I2D_put_EXP_opt(&a
.session_id_context
,i2d_ASN1_OCTET_STRING
,4,
290 if (in
->verify_result
!= X509_V_OK
)
291 M_ASN1_I2D_put_EXP_opt(&a
.verify_result
,i2d_ASN1_INTEGER
,5,v5
);
292 #ifndef OPENSSL_NO_TLSEXT
293 if (in
->tlsext_hostname
)
294 M_ASN1_I2D_put_EXP_opt(&(a
.tlsext_hostname
), i2d_ASN1_OCTET_STRING
,6,v6
);
295 #endif /* OPENSSL_NO_TLSEXT */
296 #ifndef OPENSSL_NO_PSK
297 if (in
->psk_identity_hint
)
298 M_ASN1_I2D_put_EXP_opt(&(a
.psk_identity_hint
), i2d_ASN1_OCTET_STRING
,6,v6
);
299 if (in
->psk_identity
)
300 M_ASN1_I2D_put_EXP_opt(&(a
.psk_identity
), i2d_ASN1_OCTET_STRING
,7,v7
);
301 #endif /* OPENSSL_NO_PSK */
305 SSL_SESSION
*d2i_SSL_SESSION(SSL_SESSION
**a
, const unsigned char **pp
,
308 int version
,ssl_version
=0,i
;
310 ASN1_INTEGER ai
,*aip
;
311 ASN1_OCTET_STRING os
,*osp
;
312 M_ASN1_D2I_vars(a
,SSL_SESSION
*,SSL_SESSION_new
);
318 M_ASN1_D2I_start_sequence();
320 ai
.data
=NULL
; ai
.length
=0;
321 M_ASN1_D2I_get_x(ASN1_INTEGER
,aip
,d2i_ASN1_INTEGER
);
322 version
=(int)ASN1_INTEGER_get(aip
);
323 if (ai
.data
!= NULL
) { OPENSSL_free(ai
.data
); ai
.data
=NULL
; ai
.length
=0; }
325 /* we don't care about the version right now :-) */
326 M_ASN1_D2I_get_x(ASN1_INTEGER
,aip
,d2i_ASN1_INTEGER
);
327 ssl_version
=(int)ASN1_INTEGER_get(aip
);
328 ret
->ssl_version
=ssl_version
;
329 if (ai
.data
!= NULL
) { OPENSSL_free(ai
.data
); ai
.data
=NULL
; ai
.length
=0; }
331 os
.data
=NULL
; os
.length
=0;
332 M_ASN1_D2I_get_x(ASN1_OCTET_STRING
,osp
,d2i_ASN1_OCTET_STRING
);
333 if (ssl_version
== SSL2_VERSION
)
337 c
.error
=SSL_R_CIPHER_CODE_WRONG_LENGTH
;
341 ((unsigned long)os
.data
[0]<<16L)|
342 ((unsigned long)os
.data
[1]<< 8L)|
343 (unsigned long)os
.data
[2];
345 else if ((ssl_version
>>8) == SSL3_VERSION_MAJOR
)
349 c
.error
=SSL_R_CIPHER_CODE_WRONG_LENGTH
;
353 ((unsigned long)os
.data
[0]<<8L)|
354 (unsigned long)os
.data
[1];
358 SSLerr(SSL_F_D2I_SSL_SESSION
,SSL_R_UNKNOWN_SSL_VERSION
);
365 M_ASN1_D2I_get_x(ASN1_OCTET_STRING
,osp
,d2i_ASN1_OCTET_STRING
);
366 if ((ssl_version
>>8) == SSL3_VERSION_MAJOR
)
367 i
=SSL3_MAX_SSL_SESSION_ID_LENGTH
;
368 else /* if (ssl_version>>8 == SSL2_VERSION_MAJOR) */
369 i
=SSL2_MAX_SSL_SESSION_ID_LENGTH
;
373 if (os
.length
> (int)sizeof(ret
->session_id
)) /* can't happen */
374 os
.length
= sizeof(ret
->session_id
);
376 ret
->session_id_length
=os
.length
;
377 OPENSSL_assert(os
.length
<= (int)sizeof(ret
->session_id
));
378 memcpy(ret
->session_id
,os
.data
,os
.length
);
380 M_ASN1_D2I_get_x(ASN1_OCTET_STRING
,osp
,d2i_ASN1_OCTET_STRING
);
381 if (ret
->master_key_length
> SSL_MAX_MASTER_KEY_LENGTH
)
382 ret
->master_key_length
=SSL_MAX_MASTER_KEY_LENGTH
;
384 ret
->master_key_length
=os
.length
;
385 memcpy(ret
->master_key
,os
.data
,ret
->master_key_length
);
389 #ifndef OPENSSL_NO_KRB5
391 M_ASN1_D2I_get_opt(osp
,d2i_ASN1_OCTET_STRING
,V_ASN1_OCTET_STRING
);
394 if (os
.length
> SSL_MAX_KRB5_PRINCIPAL_LENGTH
)
395 ret
->krb5_client_princ_len
=0;
397 ret
->krb5_client_princ_len
=os
.length
;
398 memcpy(ret
->krb5_client_princ
,os
.data
,ret
->krb5_client_princ_len
);
399 OPENSSL_free(os
.data
);
404 ret
->krb5_client_princ_len
=0;
405 #endif /* OPENSSL_NO_KRB5 */
407 M_ASN1_D2I_get_IMP_opt(osp
,d2i_ASN1_OCTET_STRING
,0,V_ASN1_OCTET_STRING
);
408 if (os
.length
> SSL_MAX_KEY_ARG_LENGTH
)
409 ret
->key_arg_length
=SSL_MAX_KEY_ARG_LENGTH
;
411 ret
->key_arg_length
=os
.length
;
412 memcpy(ret
->key_arg
,os
.data
,ret
->key_arg_length
);
413 if (os
.data
!= NULL
) OPENSSL_free(os
.data
);
416 M_ASN1_D2I_get_EXP_opt(aip
,d2i_ASN1_INTEGER
,1);
419 ret
->time
=ASN1_INTEGER_get(aip
);
420 OPENSSL_free(ai
.data
); ai
.data
=NULL
; ai
.length
=0;
423 ret
->time
=(unsigned long)time(NULL
);
426 M_ASN1_D2I_get_EXP_opt(aip
,d2i_ASN1_INTEGER
,2);
429 ret
->timeout
=ASN1_INTEGER_get(aip
);
430 OPENSSL_free(ai
.data
); ai
.data
=NULL
; ai
.length
=0;
435 if (ret
->peer
!= NULL
)
437 X509_free(ret
->peer
);
440 M_ASN1_D2I_get_EXP_opt(ret
->peer
,d2i_X509
,3);
444 M_ASN1_D2I_get_EXP_opt(osp
,d2i_ASN1_OCTET_STRING
,4);
448 if (os
.length
> SSL_MAX_SID_CTX_LENGTH
)
450 ret
->sid_ctx_length
=os
.length
;
451 SSLerr(SSL_F_D2I_SSL_SESSION
,SSL_R_BAD_LENGTH
);
455 ret
->sid_ctx_length
=os
.length
;
456 memcpy(ret
->sid_ctx
,os
.data
,os
.length
);
458 OPENSSL_free(os
.data
); os
.data
=NULL
; os
.length
=0;
461 ret
->sid_ctx_length
=0;
464 M_ASN1_D2I_get_EXP_opt(aip
,d2i_ASN1_INTEGER
,5);
467 ret
->verify_result
=ASN1_INTEGER_get(aip
);
468 OPENSSL_free(ai
.data
); ai
.data
=NULL
; ai
.length
=0;
471 ret
->verify_result
=X509_V_OK
;
473 #ifndef OPENSSL_NO_TLSEXT
476 M_ASN1_D2I_get_EXP_opt(osp
,d2i_ASN1_OCTET_STRING
,6);
479 ret
->tlsext_hostname
= BUF_strndup((char *)os
.data
, os
.length
);
480 OPENSSL_free(os
.data
);
485 ret
->tlsext_hostname
=NULL
;
487 #endif /* OPENSSL_NO_TLSEXT */
489 #ifndef OPENSSL_NO_PSK
492 M_ASN1_D2I_get_EXP_opt(osp
,d2i_ASN1_OCTET_STRING
,6);
495 ret
->psk_identity_hint
= BUF_strndup(os
.data
, os
.length
);
496 OPENSSL_free(os
.data
);
501 ret
->psk_identity_hint
=NULL
;
505 M_ASN1_D2I_get_EXP_opt(osp
,d2i_ASN1_OCTET_STRING
,7);
508 ret
->psk_identity
= BUF_strndup(os
.data
, os
.length
);
509 OPENSSL_free(os
.data
);
514 ret
->psk_identity
=NULL
;
515 #endif /* OPENSSL_NO_KRB5 */
517 M_ASN1_D2I_Finish(a
,SSL_SESSION_free
,SSL_F_D2I_SSL_SESSION
);