[thirdparty/openssl.git] / ssl / ssl_asn1.c

/* ssl/ssl_asn1.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include <stdlib.h>
#include <openssl/asn1_mac.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include "ssl_locl.h"

typedef struct ssl_session_asn1_st
	{
	ASN1_INTEGER version;
	ASN1_INTEGER ssl_version;
	ASN1_OCTET_STRING cipher;
	ASN1_OCTET_STRING master_key;
	ASN1_OCTET_STRING session_id;
	ASN1_OCTET_STRING session_id_context;
	ASN1_OCTET_STRING key_arg;
	ASN1_INTEGER time;
	ASN1_INTEGER timeout;
	ASN1_INTEGER verify_result;
	} SSL_SESSION_ASN1;

int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
	{
#define LSIZE2 (sizeof(long)*2)
	int v1=0,v2=0,v3=0,v4=0,v5=0;
	unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2];
	unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2],ibuf5[LSIZE2];
	long l;
	SSL_SESSION_ASN1 a;
	M_ASN1_I2D_vars(in);

	if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
		return(0);

	/* Note that I cheat in the following 2 assignments.  I know
	 * that if the ASN1_INTEGER passed to ASN1_INTEGER_set
	 * is > sizeof(long)+1, the buffer will not be re-OPENSSL_malloc()ed.
	 * This is a bit evil but makes things simple, no dynamic allocation
	 * to clean up :-) */
	a.version.length=LSIZE2;
	a.version.type=V_ASN1_INTEGER;
	a.version.data=ibuf1;
	ASN1_INTEGER_set(&(a.version),SSL_SESSION_ASN1_VERSION);

	a.ssl_version.length=LSIZE2;
	a.ssl_version.type=V_ASN1_INTEGER;
	a.ssl_version.data=ibuf2;
	ASN1_INTEGER_set(&(a.ssl_version),in->ssl_version);

	a.cipher.type=V_ASN1_OCTET_STRING;
	a.cipher.data=buf;

	if (in->cipher == NULL)
		l=in->cipher_id;
	else
		l=in->cipher->id;
	if (in->ssl_version == SSL2_VERSION)
		{
		a.cipher.length=3;
		buf[0]=((unsigned char)(l>>16L))&0xff;
		buf[1]=((unsigned char)(l>> 8L))&0xff;
		buf[2]=((unsigned char)(l     ))&0xff;
		}
	else
		{
		a.cipher.length=2;
		buf[0]=((unsigned char)(l>>8L))&0xff;
		buf[1]=((unsigned char)(l    ))&0xff;
		}

	a.master_key.length=in->master_key_length;
	a.master_key.type=V_ASN1_OCTET_STRING;
	a.master_key.data=in->master_key;

	a.session_id.length=in->session_id_length;
	a.session_id.type=V_ASN1_OCTET_STRING;
	a.session_id.data=in->session_id;

	a.session_id_context.length=in->sid_ctx_length;
	a.session_id_context.type=V_ASN1_OCTET_STRING;
	a.session_id_context.data=in->sid_ctx;

	a.key_arg.length=in->key_arg_length;
	a.key_arg.type=V_ASN1_OCTET_STRING;
	a.key_arg.data=in->key_arg;

	if (in->time != 0L)
		{
		a.time.length=LSIZE2;
		a.time.type=V_ASN1_INTEGER;
		a.time.data=ibuf3;
		ASN1_INTEGER_set(&(a.time),in->time);
		}

	if (in->timeout != 0L)
		{
		a.timeout.length=LSIZE2;
		a.timeout.type=V_ASN1_INTEGER;
		a.timeout.data=ibuf4;
		ASN1_INTEGER_set(&(a.timeout),in->timeout);
		}

	if (in->verify_result != X509_V_OK)
		{
		a.verify_result.length=LSIZE2;
		a.verify_result.type=V_ASN1_INTEGER;
		a.verify_result.data=ibuf5;
		ASN1_INTEGER_set(&a.verify_result,in->verify_result);
		}

	M_ASN1_I2D_len(&(a.version),		i2d_ASN1_INTEGER);
	M_ASN1_I2D_len(&(a.ssl_version),	i2d_ASN1_INTEGER);
	M_ASN1_I2D_len(&(a.cipher),		i2d_ASN1_OCTET_STRING);
	M_ASN1_I2D_len(&(a.session_id),		i2d_ASN1_OCTET_STRING);
	M_ASN1_I2D_len(&(a.master_key),		i2d_ASN1_OCTET_STRING);
	if (in->key_arg_length > 0)
		M_ASN1_I2D_len_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING);
	if (in->time != 0L)
		M_ASN1_I2D_len_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
	if (in->timeout != 0L)
		M_ASN1_I2D_len_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
	if (in->peer != NULL)
		M_ASN1_I2D_len_EXP_opt(in->peer,i2d_X509,3,v3);
	M_ASN1_I2D_len_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,v4);
	if (in->verify_result != X509_V_OK)
		M_ASN1_I2D_len_EXP_opt(&(a.verify_result),i2d_ASN1_INTEGER,5,v5);

	M_ASN1_I2D_seq_total();

	M_ASN1_I2D_put(&(a.version),		i2d_ASN1_INTEGER);
	M_ASN1_I2D_put(&(a.ssl_version),	i2d_ASN1_INTEGER);
	M_ASN1_I2D_put(&(a.cipher),		i2d_ASN1_OCTET_STRING);
	M_ASN1_I2D_put(&(a.session_id),		i2d_ASN1_OCTET_STRING);
	M_ASN1_I2D_put(&(a.master_key),		i2d_ASN1_OCTET_STRING);
	if (in->key_arg_length > 0)
		M_ASN1_I2D_put_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING,0);
	if (in->time != 0L)
		M_ASN1_I2D_put_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
	if (in->timeout != 0L)
		M_ASN1_I2D_put_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
	if (in->peer != NULL)
		M_ASN1_I2D_put_EXP_opt(in->peer,i2d_X509,3,v3);
	M_ASN1_I2D_put_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,
			       v4);
	if (in->verify_result != X509_V_OK)
		M_ASN1_I2D_put_EXP_opt(&a.verify_result,i2d_ASN1_INTEGER,5,v5);
	M_ASN1_I2D_finish();
	}

SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, unsigned char **pp,
	     long length)
	{
	int version,ssl_version=0,i;
	long id;
	ASN1_INTEGER ai,*aip;
	ASN1_OCTET_STRING os,*osp;
	M_ASN1_D2I_vars(a,SSL_SESSION *,SSL_SESSION_new);

	aip= &ai;
	osp= &os;

	M_ASN1_D2I_Init();
	M_ASN1_D2I_start_sequence();

	ai.data=NULL; ai.length=0;
	M_ASN1_D2I_get(aip,d2i_ASN1_INTEGER);
	version=(int)ASN1_INTEGER_get(aip);
	if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }

	/* we don't care about the version right now :-) */
	M_ASN1_D2I_get(aip,d2i_ASN1_INTEGER);
	ssl_version=(int)ASN1_INTEGER_get(aip);
	ret->ssl_version=ssl_version;
	if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }

	os.data=NULL; os.length=0;
	M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
	if (ssl_version == SSL2_VERSION)
		{
		if (os.length != 3)
			{
			c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
			goto err;
			}
		id=0x02000000L|
			((unsigned long)os.data[0]<<16L)|
			((unsigned long)os.data[1]<< 8L)|
			 (unsigned long)os.data[2];
		}
	else if ((ssl_version>>8) == 3)
		{
		if (os.length != 2)
			{
			c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
			goto err;
			}
		id=0x03000000L|
			((unsigned long)os.data[0]<<8L)|
			 (unsigned long)os.data[1];
		}
	else
		{
		SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_UNKNOWN_SSL_VERSION);
		return(NULL);
		}
	
	ret->cipher=NULL;
	ret->cipher_id=id;

	M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
	if ((ssl_version>>8) == SSL3_VERSION)
		i=SSL3_MAX_SSL_SESSION_ID_LENGTH;
	else /* if (ssl_version == SSL2_VERSION) */
		i=SSL2_MAX_SSL_SESSION_ID_LENGTH;

	if (os.length > i)
		os.length=i;

	ret->session_id_length=os.length;
	memcpy(ret->session_id,os.data,os.length);

	M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
	if (ret->master_key_length > SSL_MAX_MASTER_KEY_LENGTH)
		ret->master_key_length=SSL_MAX_MASTER_KEY_LENGTH;
	else
		ret->master_key_length=os.length;
	memcpy(ret->master_key,os.data,ret->master_key_length);

	os.length=0;
	M_ASN1_D2I_get_IMP_opt(osp,d2i_ASN1_OCTET_STRING,0,V_ASN1_OCTET_STRING);
	if (os.length > SSL_MAX_KEY_ARG_LENGTH)
		ret->key_arg_length=SSL_MAX_KEY_ARG_LENGTH;
	else
		ret->key_arg_length=os.length;
	memcpy(ret->key_arg,os.data,ret->key_arg_length);
	if (os.data != NULL) OPENSSL_free(os.data);

	ai.length=0;
	M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,1);
	if (ai.data != NULL)
		{
		ret->time=ASN1_INTEGER_get(aip);
		OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
		}
	else
		ret->time=time(NULL);

	ai.length=0;
	M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,2);
	if (ai.data != NULL)
		{
		ret->timeout=ASN1_INTEGER_get(aip);
		OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
		}
	else
		ret->timeout=3;

	if (ret->peer != NULL)
		{
		X509_free(ret->peer);
		ret->peer=NULL;
		}
	M_ASN1_D2I_get_EXP_opt(ret->peer,d2i_X509,3);

	os.length=0;
	os.data=NULL;
	M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,4);

	if(os.data != NULL)
	    {
	    if (os.length > SSL_MAX_SID_CTX_LENGTH)
		SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_BAD_LENGTH);
	    ret->sid_ctx_length=os.length;
	    memcpy(ret->sid_ctx,os.data,os.length);
	    OPENSSL_free(os.data); os.data=NULL; os.length=0;
	    }
	else
	    ret->sid_ctx_length=0;

	ai.length=0;
	M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,5);
	if (ai.data != NULL)
		{
		ret->verify_result=ASN1_INTEGER_get(aip);
		OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
		}
	else
		ret->verify_result=X509_V_OK;

	M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);
	}
Commit	Line	Data
d02b48c6	1	/* ssl/ssl_asn1.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	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	#include <stdio.h>
	60	#include <stdlib.h>
ec577822 BM	61	#include <openssl/asn1_mac.h>
ec577822 BM	62	#include <openssl/objects.h>
b1fe6ca1	63	#include <openssl/x509.h>
d02b48c6 RE	64	#include "ssl_locl.h"
	65
	66	typedef struct ssl_session_asn1_st
	67	{
	68	ASN1_INTEGER version;
	69	ASN1_INTEGER ssl_version;
	70	ASN1_OCTET_STRING cipher;
	71	ASN1_OCTET_STRING master_key;
	72	ASN1_OCTET_STRING session_id;
b4cadc6e	73	ASN1_OCTET_STRING session_id_context;
d02b48c6 RE	74	ASN1_OCTET_STRING key_arg;
	75	ASN1_INTEGER time;
	76	ASN1_INTEGER timeout;
b1fe6ca1	77	ASN1_INTEGER verify_result;
d02b48c6 RE	78	} SSL_SESSION_ASN1;
d02b48c6 RE	79
6b691a5c	80	int i2d_SSL_SESSION(SSL_SESSION in, unsigned char *pp)
d02b48c6 RE	81	{
d02b48c6 RE	82	#define LSIZE2 (sizeof(long)*2)
b1fe6ca1	83	int v1=0,v2=0,v3=0,v4=0,v5=0;
d02b48c6	84	unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2];
b1fe6ca1	85	unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2],ibuf5[LSIZE2];
d02b48c6 RE	86	long l;
	87	SSL_SESSION_ASN1 a;
	88	M_ASN1_I2D_vars(in);
	89
	90	if ((in == NULL) \|\| ((in->cipher == NULL) && (in->cipher_id == 0)))
	91	return(0);
	92
	93	/* Note that I cheat in the following 2 assignments. I know
657e60fa	94	* that if the ASN1_INTEGER passed to ASN1_INTEGER_set
26a3a48d	95	* is > sizeof(long)+1, the buffer will not be re-OPENSSL_malloc()ed.
d02b48c6 RE	96	* This is a bit evil but makes things simple, no dynamic allocation
	97	* to clean up :-) */
	98	a.version.length=LSIZE2;
	99	a.version.type=V_ASN1_INTEGER;
	100	a.version.data=ibuf1;
	101	ASN1_INTEGER_set(&(a.version),SSL_SESSION_ASN1_VERSION);
	102
	103	a.ssl_version.length=LSIZE2;
	104	a.ssl_version.type=V_ASN1_INTEGER;
	105	a.ssl_version.data=ibuf2;
	106	ASN1_INTEGER_set(&(a.ssl_version),in->ssl_version);
	107
	108	a.cipher.type=V_ASN1_OCTET_STRING;
	109	a.cipher.data=buf;
	110
	111	if (in->cipher == NULL)
	112	l=in->cipher_id;
	113	else
	114	l=in->cipher->id;
58964a49	115	if (in->ssl_version == SSL2_VERSION)
d02b48c6 RE	116	{
	117	a.cipher.length=3;
	118	buf[0]=((unsigned char)(l>>16L))&0xff;
	119	buf[1]=((unsigned char)(l>> 8L))&0xff;
	120	buf[2]=((unsigned char)(l ))&0xff;
	121	}
	122	else
	123	{
	124	a.cipher.length=2;
	125	buf[0]=((unsigned char)(l>>8L))&0xff;
	126	buf[1]=((unsigned char)(l ))&0xff;
	127	}
	128
	129	a.master_key.length=in->master_key_length;
	130	a.master_key.type=V_ASN1_OCTET_STRING;
	131	a.master_key.data=in->master_key;
	132
	133	a.session_id.length=in->session_id_length;
	134	a.session_id.type=V_ASN1_OCTET_STRING;
	135	a.session_id.data=in->session_id;
	136
b4cadc6e BL	137	a.session_id_context.length=in->sid_ctx_length;
	138	a.session_id_context.type=V_ASN1_OCTET_STRING;
	139	a.session_id_context.data=in->sid_ctx;
	140
d02b48c6 RE	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;
	144
	145	if (in->time != 0L)
	146	{
	147	a.time.length=LSIZE2;
	148	a.time.type=V_ASN1_INTEGER;
	149	a.time.data=ibuf3;
	150	ASN1_INTEGER_set(&(a.time),in->time);
	151	}
	152
	153	if (in->timeout != 0L)
	154	{
	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);
	159	}
	160
b1fe6ca1 BM	161	if (in->verify_result != X509_V_OK)
	162	{
	163	a.verify_result.length=LSIZE2;
	164	a.verify_result.type=V_ASN1_INTEGER;
	165	a.verify_result.data=ibuf5;
	166	ASN1_INTEGER_set(&a.verify_result,in->verify_result);
	167	}
	168
d02b48c6 RE	169	M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER);
	170	M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER);
	171	M_ASN1_I2D_len(&(a.cipher), i2d_ASN1_OCTET_STRING);
	172	M_ASN1_I2D_len(&(a.session_id), i2d_ASN1_OCTET_STRING);
	173	M_ASN1_I2D_len(&(a.master_key), i2d_ASN1_OCTET_STRING);
	174	if (in->key_arg_length > 0)
	175	M_ASN1_I2D_len_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING);
	176	if (in->time != 0L)
	177	M_ASN1_I2D_len_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
	178	if (in->timeout != 0L)
	179	M_ASN1_I2D_len_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
	180	if (in->peer != NULL)
	181	M_ASN1_I2D_len_EXP_opt(in->peer,i2d_X509,3,v3);
b4cadc6e	182	M_ASN1_I2D_len_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,v4);
b1fe6ca1 BM	183	if (in->verify_result != X509_V_OK)
b1fe6ca1 BM	184	M_ASN1_I2D_len_EXP_opt(&(a.verify_result),i2d_ASN1_INTEGER,5,v5);
d02b48c6 RE	185
	186	M_ASN1_I2D_seq_total();
	187
	188	M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER);
	189	M_ASN1_I2D_put(&(a.ssl_version), i2d_ASN1_INTEGER);
	190	M_ASN1_I2D_put(&(a.cipher), i2d_ASN1_OCTET_STRING);
	191	M_ASN1_I2D_put(&(a.session_id), i2d_ASN1_OCTET_STRING);
	192	M_ASN1_I2D_put(&(a.master_key), i2d_ASN1_OCTET_STRING);
	193	if (in->key_arg_length > 0)
	194	M_ASN1_I2D_put_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING,0);
	195	if (in->time != 0L)
	196	M_ASN1_I2D_put_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
	197	if (in->timeout != 0L)
	198	M_ASN1_I2D_put_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
	199	if (in->peer != NULL)
	200	M_ASN1_I2D_put_EXP_opt(in->peer,i2d_X509,3,v3);
b4cadc6e BL	201	M_ASN1_I2D_put_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,
b4cadc6e BL	202	v4);
b1fe6ca1 BM	203	if (in->verify_result != X509_V_OK)
b1fe6ca1 BM	204	M_ASN1_I2D_put_EXP_opt(&a.verify_result,i2d_ASN1_INTEGER,5,v5);
d02b48c6 RE	205	M_ASN1_I2D_finish();
	206	}
	207
6b691a5c UM	208	SSL_SESSION d2i_SSL_SESSION(SSL_SESSION a, unsigned char *pp,
6b691a5c UM	209	long length)
d02b48c6 RE	210	{
	211	int version,ssl_version=0,i;
	212	long id;
	213	ASN1_INTEGER ai,*aip;
	214	ASN1_OCTET_STRING os,*osp;
	215	M_ASN1_D2I_vars(a,SSL_SESSION *,SSL_SESSION_new);
	216
	217	aip= &ai;
	218	osp= &os;
	219
	220	M_ASN1_D2I_Init();
	221	M_ASN1_D2I_start_sequence();
	222
	223	ai.data=NULL; ai.length=0;
	224	M_ASN1_D2I_get(aip,d2i_ASN1_INTEGER);
	225	version=(int)ASN1_INTEGER_get(aip);
26a3a48d	226	if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
d02b48c6 RE	227
	228	/* we don't care about the version right now :-) */
	229	M_ASN1_D2I_get(aip,d2i_ASN1_INTEGER);
	230	ssl_version=(int)ASN1_INTEGER_get(aip);
	231	ret->ssl_version=ssl_version;
26a3a48d	232	if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
d02b48c6 RE	233
	234	os.data=NULL; os.length=0;
	235	M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
58964a49	236	if (ssl_version == SSL2_VERSION)
d02b48c6 RE	237	{
	238	if (os.length != 3)
	239	{
	240	c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
	241	goto err;
	242	}
	243	id=0x02000000L\|
	244	((unsigned long)os.data[0]<<16L)\|
	245	((unsigned long)os.data[1]<< 8L)\|
	246	(unsigned long)os.data[2];
	247	}
58964a49	248	else if ((ssl_version>>8) == 3)
d02b48c6 RE	249	{
	250	if (os.length != 2)
	251	{
	252	c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
	253	goto err;
	254	}
	255	id=0x03000000L\|
	256	((unsigned long)os.data[0]<<8L)\|
	257	(unsigned long)os.data[1];
	258	}
	259	else
	260	{
	261	SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_UNKNOWN_SSL_VERSION);
	262	return(NULL);
	263	}
	264
	265	ret->cipher=NULL;
	266	ret->cipher_id=id;
	267
	268	M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
58964a49	269	if ((ssl_version>>8) == SSL3_VERSION)
d02b48c6	270	i=SSL3_MAX_SSL_SESSION_ID_LENGTH;
58964a49	271	else /* if (ssl_version == SSL2_VERSION) */
d02b48c6 RE	272	i=SSL2_MAX_SSL_SESSION_ID_LENGTH;
	273
	274	if (os.length > i)
	275	os.length=i;
	276
	277	ret->session_id_length=os.length;
	278	memcpy(ret->session_id,os.data,os.length);
	279
	280	M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
	281	if (ret->master_key_length > SSL_MAX_MASTER_KEY_LENGTH)
	282	ret->master_key_length=SSL_MAX_MASTER_KEY_LENGTH;
	283	else
	284	ret->master_key_length=os.length;
	285	memcpy(ret->master_key,os.data,ret->master_key_length);
	286
	287	os.length=0;
	288	M_ASN1_D2I_get_IMP_opt(osp,d2i_ASN1_OCTET_STRING,0,V_ASN1_OCTET_STRING);
	289	if (os.length > SSL_MAX_KEY_ARG_LENGTH)
	290	ret->key_arg_length=SSL_MAX_KEY_ARG_LENGTH;
	291	else
	292	ret->key_arg_length=os.length;
	293	memcpy(ret->key_arg,os.data,ret->key_arg_length);
26a3a48d	294	if (os.data != NULL) OPENSSL_free(os.data);
d02b48c6 RE	295
	296	ai.length=0;
	297	M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,1);
	298	if (ai.data != NULL)
	299	{
	300	ret->time=ASN1_INTEGER_get(aip);
26a3a48d	301	OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
d02b48c6 RE	302	}
	303	else
	304	ret->time=time(NULL);
	305
	306	ai.length=0;
	307	M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,2);
	308	if (ai.data != NULL)
	309	{
	310	ret->timeout=ASN1_INTEGER_get(aip);
26a3a48d	311	OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
d02b48c6 RE	312	}
	313	else
	314	ret->timeout=3;
	315
	316	if (ret->peer != NULL)
	317	{
	318	X509_free(ret->peer);
	319	ret->peer=NULL;
	320	}
	321	M_ASN1_D2I_get_EXP_opt(ret->peer,d2i_X509,3);
	322
b4cadc6e BL	323	os.length=0;
	324	os.data=NULL;
	325	M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,4);
	326
	327	if(os.data != NULL)
	328	{
	329	if (os.length > SSL_MAX_SID_CTX_LENGTH)
	330	SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_BAD_LENGTH);
	331	ret->sid_ctx_length=os.length;
	332	memcpy(ret->sid_ctx,os.data,os.length);
26a3a48d	333	OPENSSL_free(os.data); os.data=NULL; os.length=0;
b4cadc6e BL	334	}
	335	else
	336	ret->sid_ctx_length=0;
	337
b1fe6ca1 BM	338	ai.length=0;
	339	M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,5);
	340	if (ai.data != NULL)
	341	{
	342	ret->verify_result=ASN1_INTEGER_get(aip);
26a3a48d	343	OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
b1fe6ca1 BM	344	}
	345	else
	346	ret->verify_result=X509_V_OK;
	347
d02b48c6 RE	348	M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);
d02b48c6 RE	349	}