1/* ssl/ssl_asn1.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
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.
8 *
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).
15 *
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.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
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)"
40 *
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
51 * SUCH DAMAGE.
52 *
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.]
57 */
58/* ====================================================================
59 * Copyright 2005 Nokia. All rights reserved.
60 *
61 * The portions of the attached software ("Contribution") is developed by
62 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
63 * license.
64 *
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.
68 *
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.
72 *
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.
77 *
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
82 * OTHERWISE.
83 */
84
85#include <stdio.h>
86#include <stdlib.h>
87#include "ssl_locl.h"
88#include <openssl/asn1_mac.h>
89#include <openssl/objects.h>
90#include <openssl/x509.h>
91
92typedef struct ssl_session_asn1_st
93	{
94	ASN1_INTEGER version;
95	ASN1_INTEGER ssl_version;
96	ASN1_OCTET_STRING cipher;
97	ASN1_OCTET_STRING comp_id;
98	ASN1_OCTET_STRING master_key;
99	ASN1_OCTET_STRING session_id;
100	ASN1_OCTET_STRING session_id_context;
101	ASN1_OCTET_STRING key_arg;
102#ifndef OPENSSL_NO_KRB5
103        ASN1_OCTET_STRING krb5_princ;
104#endif /* OPENSSL_NO_KRB5 */
105	ASN1_INTEGER time;
106	ASN1_INTEGER timeout;
107	ASN1_INTEGER verify_result;
108#ifndef OPENSSL_NO_TLSEXT
109	ASN1_OCTET_STRING tlsext_hostname;
110	ASN1_INTEGER tlsext_tick_lifetime;
111	ASN1_OCTET_STRING tlsext_tick;
112#endif /* OPENSSL_NO_TLSEXT */
113#ifndef OPENSSL_NO_PSK
114	ASN1_OCTET_STRING psk_identity_hint;
115	ASN1_OCTET_STRING psk_identity;
116#endif /* OPENSSL_NO_PSK */
117	} SSL_SESSION_ASN1;
118
119int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
120	{
121#define LSIZE2 (sizeof(long)*2)
122	int v1=0,v2=0,v3=0,v4=0,v5=0,v7=0,v8=0;
123	unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2];
124	unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2],ibuf5[LSIZE2];
125#ifndef OPENSSL_NO_TLSEXT
126	int v6=0,v9=0,v10=0;
127	unsigned char ibuf6[LSIZE2];
128#endif
129#ifndef OPENSSL_NO_COMP
130	unsigned char cbuf;
131	int v11=0;
132#endif
133	long l;
134	SSL_SESSION_ASN1 a;
135	M_ASN1_I2D_vars(in);
136
137	if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
138		return(0);
139
140	/* Note that I cheat in the following 2 assignments.  I know
141	 * that if the ASN1_INTEGER passed to ASN1_INTEGER_set
142	 * is > sizeof(long)+1, the buffer will not be re-OPENSSL_malloc()ed.
143	 * This is a bit evil but makes things simple, no dynamic allocation
144	 * to clean up :-) */
145	a.version.length=LSIZE2;
146	a.version.type=V_ASN1_INTEGER;
147	a.version.data=ibuf1;
148	ASN1_INTEGER_set(&(a.version),SSL_SESSION_ASN1_VERSION);
149
150	a.ssl_version.length=LSIZE2;
151	a.ssl_version.type=V_ASN1_INTEGER;
152	a.ssl_version.data=ibuf2;
153	ASN1_INTEGER_set(&(a.ssl_version),in->ssl_version);
154
155	a.cipher.type=V_ASN1_OCTET_STRING;
156	a.cipher.data=buf;
157
158	if (in->cipher == NULL)
159		l=in->cipher_id;
160	else
161		l=in->cipher->id;
162	if (in->ssl_version == SSL2_VERSION)
163		{
164		a.cipher.length=3;
165		buf[0]=((unsigned char)(l>>16L))&0xff;
166		buf[1]=((unsigned char)(l>> 8L))&0xff;
167		buf[2]=((unsigned char)(l     ))&0xff;
168		}
169	else
170		{
171		a.cipher.length=2;
172		buf[0]=((unsigned char)(l>>8L))&0xff;
173		buf[1]=((unsigned char)(l    ))&0xff;
174		}
175
176#ifndef OPENSSL_NO_COMP
177	if (in->compress_meth)
178		{
179		cbuf = (unsigned char)in->compress_meth;
180		a.comp_id.length = 1;
181		a.comp_id.type = V_ASN1_OCTET_STRING;
182		a.comp_id.data = &cbuf;
183		}
184#endif
185
186	a.master_key.length=in->master_key_length;
187	a.master_key.type=V_ASN1_OCTET_STRING;
188	a.master_key.data=in->master_key;
189
190	a.session_id.length=in->session_id_length;
191	a.session_id.type=V_ASN1_OCTET_STRING;
192	a.session_id.data=in->session_id;
193
194	a.session_id_context.length=in->sid_ctx_length;
195	a.session_id_context.type=V_ASN1_OCTET_STRING;
196	a.session_id_context.data=in->sid_ctx;
197
198	a.key_arg.length=in->key_arg_length;
199	a.key_arg.type=V_ASN1_OCTET_STRING;
200	a.key_arg.data=in->key_arg;
201
202#ifndef OPENSSL_NO_KRB5
203	if (in->krb5_client_princ_len)
204		{
205		a.krb5_princ.length=in->krb5_client_princ_len;
206		a.krb5_princ.type=V_ASN1_OCTET_STRING;
207		a.krb5_princ.data=in->krb5_client_princ;
208		}
209#endif /* OPENSSL_NO_KRB5 */
210
211	if (in->time != 0L)
212		{
213		a.time.length=LSIZE2;
214		a.time.type=V_ASN1_INTEGER;
215		a.time.data=ibuf3;
216		ASN1_INTEGER_set(&(a.time),in->time);
217		}
218
219	if (in->timeout != 0L)
220		{
221		a.timeout.length=LSIZE2;
222		a.timeout.type=V_ASN1_INTEGER;
223		a.timeout.data=ibuf4;
224		ASN1_INTEGER_set(&(a.timeout),in->timeout);
225		}
226
227	if (in->verify_result != X509_V_OK)
228		{
229		a.verify_result.length=LSIZE2;
230		a.verify_result.type=V_ASN1_INTEGER;
231		a.verify_result.data=ibuf5;
232		ASN1_INTEGER_set(&a.verify_result,in->verify_result);
233		}
234
235#ifndef OPENSSL_NO_TLSEXT
236	if (in->tlsext_hostname)
237                {
238                a.tlsext_hostname.length=strlen(in->tlsext_hostname);
239                a.tlsext_hostname.type=V_ASN1_OCTET_STRING;
240                a.tlsext_hostname.data=(unsigned char *)in->tlsext_hostname;
241                }
242	if (in->tlsext_tick)
243                {
244                a.tlsext_tick.length= in->tlsext_ticklen;
245                a.tlsext_tick.type=V_ASN1_OCTET_STRING;
246                a.tlsext_tick.data=(unsigned char *)in->tlsext_tick;
247                }
248	if (in->tlsext_tick_lifetime_hint > 0)
249		{
250		a.tlsext_tick_lifetime.length=LSIZE2;
251		a.tlsext_tick_lifetime.type=V_ASN1_INTEGER;
252		a.tlsext_tick_lifetime.data=ibuf6;
253		ASN1_INTEGER_set(&a.tlsext_tick_lifetime,in->tlsext_tick_lifetime_hint);
254		}
255#endif /* OPENSSL_NO_TLSEXT */
256#ifndef OPENSSL_NO_PSK
257	if (in->psk_identity_hint)
258		{
259		a.psk_identity_hint.length=strlen(in->psk_identity_hint);
260		a.psk_identity_hint.type=V_ASN1_OCTET_STRING;
261		a.psk_identity_hint.data=(unsigned char *)(in->psk_identity_hint);
262		}
263	if (in->psk_identity)
264		{
265		a.psk_identity.length=strlen(in->psk_identity);
266		a.psk_identity.type=V_ASN1_OCTET_STRING;
267		a.psk_identity.data=(unsigned char *)(in->psk_identity);
268		}
269#endif /* OPENSSL_NO_PSK */
270
271	M_ASN1_I2D_len(&(a.version),		i2d_ASN1_INTEGER);
272	M_ASN1_I2D_len(&(a.ssl_version),	i2d_ASN1_INTEGER);
273	M_ASN1_I2D_len(&(a.cipher),		i2d_ASN1_OCTET_STRING);
274	M_ASN1_I2D_len(&(a.session_id),		i2d_ASN1_OCTET_STRING);
275	M_ASN1_I2D_len(&(a.master_key),		i2d_ASN1_OCTET_STRING);
276#ifndef OPENSSL_NO_KRB5
277	if (in->krb5_client_princ_len)
278        	M_ASN1_I2D_len(&(a.krb5_princ),	i2d_ASN1_OCTET_STRING);
279#endif /* OPENSSL_NO_KRB5 */
280	if (in->key_arg_length > 0)
281		M_ASN1_I2D_len_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING);
282	if (in->time != 0L)
283		M_ASN1_I2D_len_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
284	if (in->timeout != 0L)
285		M_ASN1_I2D_len_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
286	if (in->peer != NULL)
287		M_ASN1_I2D_len_EXP_opt(in->peer,i2d_X509,3,v3);
288	M_ASN1_I2D_len_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,v4);
289	if (in->verify_result != X509_V_OK)
290		M_ASN1_I2D_len_EXP_opt(&(a.verify_result),i2d_ASN1_INTEGER,5,v5);
291
292#ifndef OPENSSL_NO_TLSEXT
293	if (in->tlsext_tick_lifetime_hint > 0)
294      	 	M_ASN1_I2D_len_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER,9,v9);
295	if (in->tlsext_tick)
296        	M_ASN1_I2D_len_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING,10,v10);
297	if (in->tlsext_hostname)
298        	M_ASN1_I2D_len_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6);
299#ifndef OPENSSL_NO_COMP
300	if (in->compress_meth)
301        	M_ASN1_I2D_len_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING,11,v11);
302#endif
303#endif /* OPENSSL_NO_TLSEXT */
304#ifndef OPENSSL_NO_PSK
305	if (in->psk_identity_hint)
306        	M_ASN1_I2D_len_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,7,v7);
307	if (in->psk_identity)
308        	M_ASN1_I2D_len_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,8,v8);
309#endif /* OPENSSL_NO_PSK */
310
311	M_ASN1_I2D_seq_total();
312
313	M_ASN1_I2D_put(&(a.version),		i2d_ASN1_INTEGER);
314	M_ASN1_I2D_put(&(a.ssl_version),	i2d_ASN1_INTEGER);
315	M_ASN1_I2D_put(&(a.cipher),		i2d_ASN1_OCTET_STRING);
316	M_ASN1_I2D_put(&(a.session_id),		i2d_ASN1_OCTET_STRING);
317	M_ASN1_I2D_put(&(a.master_key),		i2d_ASN1_OCTET_STRING);
318#ifndef OPENSSL_NO_KRB5
319	if (in->krb5_client_princ_len)
320        	M_ASN1_I2D_put(&(a.krb5_princ),	i2d_ASN1_OCTET_STRING);
321#endif /* OPENSSL_NO_KRB5 */
322	if (in->key_arg_length > 0)
323		M_ASN1_I2D_put_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING,0);
324	if (in->time != 0L)
325		M_ASN1_I2D_put_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
326	if (in->timeout != 0L)
327		M_ASN1_I2D_put_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
328	if (in->peer != NULL)
329		M_ASN1_I2D_put_EXP_opt(in->peer,i2d_X509,3,v3);
330	M_ASN1_I2D_put_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,
331			       v4);
332	if (in->verify_result != X509_V_OK)
333		M_ASN1_I2D_put_EXP_opt(&a.verify_result,i2d_ASN1_INTEGER,5,v5);
334#ifndef OPENSSL_NO_TLSEXT
335	if (in->tlsext_hostname)
336        	M_ASN1_I2D_put_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6);
337#endif /* OPENSSL_NO_TLSEXT */
338#ifndef OPENSSL_NO_PSK
339	if (in->psk_identity_hint)
340		M_ASN1_I2D_put_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,7,v7);
341	if (in->psk_identity)
342		M_ASN1_I2D_put_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,8,v8);
343#endif /* OPENSSL_NO_PSK */
344#ifndef OPENSSL_NO_TLSEXT
345	if (in->tlsext_tick_lifetime_hint > 0)
346      	 	M_ASN1_I2D_put_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER,9,v9);
347	if (in->tlsext_tick)
348        	M_ASN1_I2D_put_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING,10,v10);
349#endif /* OPENSSL_NO_TLSEXT */
350#ifndef OPENSSL_NO_COMP
351	if (in->compress_meth)
352        	M_ASN1_I2D_put_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING,11,v11);
353#endif
354	M_ASN1_I2D_finish();
355	}
356
357SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
358			     long length)
359	{
360	int ssl_version=0,i;
361	long id;
362	ASN1_INTEGER ai,*aip;
363	ASN1_OCTET_STRING os,*osp;
364	M_ASN1_D2I_vars(a,SSL_SESSION *,SSL_SESSION_new);
365
366	aip= &ai;
367	osp= &os;
368
369	M_ASN1_D2I_Init();
370	M_ASN1_D2I_start_sequence();
371
372	ai.data=NULL; ai.length=0;
373	M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER);
374	if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
375
376	/* we don't care about the version right now :-) */
377	M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER);
378	ssl_version=(int)ASN1_INTEGER_get(aip);
379	ret->ssl_version=ssl_version;
380	if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
381
382	os.data=NULL; os.length=0;
383	M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
384	if (ssl_version == SSL2_VERSION)
385		{
386		if (os.length != 3)
387			{
388			c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
389			goto err;
390			}
391		id=0x02000000L|
392			((unsigned long)os.data[0]<<16L)|
393			((unsigned long)os.data[1]<< 8L)|
394			 (unsigned long)os.data[2];
395		}
396	else if ((ssl_version>>8) >= SSL3_VERSION_MAJOR)
397		{
398		if (os.length != 2)
399			{
400			c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
401			goto err;
402			}
403		id=0x03000000L|
404			((unsigned long)os.data[0]<<8L)|
405			 (unsigned long)os.data[1];
406		}
407	else
408		{
409		c.error=SSL_R_UNKNOWN_SSL_VERSION;
410		goto err;
411		}
412
413	ret->cipher=NULL;
414	ret->cipher_id=id;
415
416	M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
417	if ((ssl_version>>8) >= SSL3_VERSION_MAJOR)
418		i=SSL3_MAX_SSL_SESSION_ID_LENGTH;
419	else /* if (ssl_version>>8 == SSL2_VERSION_MAJOR) */
420		i=SSL2_MAX_SSL_SESSION_ID_LENGTH;
421
422	if (os.length > i)
423		os.length = i;
424	if (os.length > (int)sizeof(ret->session_id)) /* can't happen */
425		os.length = sizeof(ret->session_id);
426
427	ret->session_id_length=os.length;
428	OPENSSL_assert(os.length <= (int)sizeof(ret->session_id));
429	memcpy(ret->session_id,os.data,os.length);
430
431	M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
432	if (os.length > SSL_MAX_MASTER_KEY_LENGTH)
433		ret->master_key_length=SSL_MAX_MASTER_KEY_LENGTH;
434	else
435		ret->master_key_length=os.length;
436	memcpy(ret->master_key,os.data,ret->master_key_length);
437
438	os.length=0;
439
440#ifndef OPENSSL_NO_KRB5
441	os.length=0;
442	M_ASN1_D2I_get_opt(osp,d2i_ASN1_OCTET_STRING,V_ASN1_OCTET_STRING);
443	if (os.data)
444		{
445        	if (os.length > SSL_MAX_KRB5_PRINCIPAL_LENGTH)
446            		ret->krb5_client_princ_len=0;
447		else
448			ret->krb5_client_princ_len=os.length;
449		memcpy(ret->krb5_client_princ,os.data,ret->krb5_client_princ_len);
450		OPENSSL_free(os.data);
451		os.data = NULL;
452		os.length = 0;
453		}
454	else
455		ret->krb5_client_princ_len=0;
456#endif /* OPENSSL_NO_KRB5 */
457
458	M_ASN1_D2I_get_IMP_opt(osp,d2i_ASN1_OCTET_STRING,0,V_ASN1_OCTET_STRING);
459	if (os.length > SSL_MAX_KEY_ARG_LENGTH)
460		ret->key_arg_length=SSL_MAX_KEY_ARG_LENGTH;
461	else
462		ret->key_arg_length=os.length;
463	memcpy(ret->key_arg,os.data,ret->key_arg_length);
464	if (os.data != NULL) OPENSSL_free(os.data);
465
466	ai.length=0;
467	M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,1);
468	if (ai.data != NULL)
469		{
470		ret->time=ASN1_INTEGER_get(aip);
471		OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
472		}
473	else
474		ret->time=(unsigned long)time(NULL);
475
476	ai.length=0;
477	M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,2);
478	if (ai.data != NULL)
479		{
480		ret->timeout=ASN1_INTEGER_get(aip);
481		OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
482		}
483	else
484		ret->timeout=3;
485
486	if (ret->peer != NULL)
487		{
488		X509_free(ret->peer);
489		ret->peer=NULL;
490		}
491	M_ASN1_D2I_get_EXP_opt(ret->peer,d2i_X509,3);
492
493	os.length=0;
494	os.data=NULL;
495	M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,4);
496
497	if(os.data != NULL)
498	    {
499	    if (os.length > SSL_MAX_SID_CTX_LENGTH)
500		{
501		c.error=SSL_R_BAD_LENGTH;
502		goto err;
503		}
504	    else
505		{
506		ret->sid_ctx_length=os.length;
507		memcpy(ret->sid_ctx,os.data,os.length);
508		}
509	    OPENSSL_free(os.data); os.data=NULL; os.length=0;
510	    }
511	else
512	    ret->sid_ctx_length=0;
513
514	ai.length=0;
515	M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,5);
516	if (ai.data != NULL)
517		{
518		ret->verify_result=ASN1_INTEGER_get(aip);
519		OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
520		}
521	else
522		ret->verify_result=X509_V_OK;
523
524#ifndef OPENSSL_NO_TLSEXT
525	os.length=0;
526	os.data=NULL;
527	M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,6);
528	if (os.data)
529		{
530		ret->tlsext_hostname = BUF_strndup((char *)os.data, os.length);
531		OPENSSL_free(os.data);
532		os.data = NULL;
533		os.length = 0;
534		}
535	else
536		ret->tlsext_hostname=NULL;
537#endif /* OPENSSL_NO_TLSEXT */
538
539#ifndef OPENSSL_NO_PSK
540	os.length=0;
541	os.data=NULL;
542	M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,7);
543	if (os.data)
544		{
545		ret->psk_identity_hint = BUF_strndup((char *)os.data, os.length);
546		OPENSSL_free(os.data);
547		os.data = NULL;
548		os.length = 0;
549		}
550	else
551		ret->psk_identity_hint=NULL;
552#endif /* OPENSSL_NO_PSK */
553
554#ifndef OPENSSL_NO_TLSEXT
555	ai.length=0;
556	M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,9);
557	if (ai.data != NULL)
558		{
559		ret->tlsext_tick_lifetime_hint=ASN1_INTEGER_get(aip);
560		OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
561		}
562	else if (ret->tlsext_ticklen && ret->session_id_length)
563		ret->tlsext_tick_lifetime_hint = -1;
564	else
565		ret->tlsext_tick_lifetime_hint=0;
566	os.length=0;
567	os.data=NULL;
568	M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,10);
569	if (os.data)
570		{
571		ret->tlsext_tick = os.data;
572		ret->tlsext_ticklen = os.length;
573		os.data = NULL;
574		os.length = 0;
575		}
576	else
577		ret->tlsext_tick=NULL;
578#endif /* OPENSSL_NO_TLSEXT */
579#ifndef OPENSSL_NO_COMP
580	os.length=0;
581	os.data=NULL;
582	M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,11);
583	if (os.data)
584		{
585		ret->compress_meth = os.data[0];
586		OPENSSL_free(os.data);
587		os.data = NULL;
588		}
589#endif
590
591	M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);
592	}
593