/* ssl/s3_both.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.]

  */

 /* ====================================================================

  * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.

  *

  * 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 above 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 acknowledgment:

  *    "This product includes software developed by the OpenSSL Project

  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"

  *

  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to

  *    endorse or promote products derived from this software without

  *    prior written permission. For written permission, please contact

  *    openssl-core@openssl.org.

  *

  * 5. Products derived from this software may not be called "OpenSSL"

  *    nor may "OpenSSL" appear in their names without prior written

  *    permission of the OpenSSL Project.

  *

  * 6. Redistributions of any form whatsoever must retain the following

  *    acknowledgment:

  *    "This product includes software developed by the OpenSSL Project

  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"

  *

  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY

  * EXPRESSED 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 OpenSSL PROJECT OR

  * ITS 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.

  * ====================================================================

  *

  * This product includes cryptographic software written by Eric Young

  * (eay@cryptsoft.com).  This product includes software written by Tim

  * Hudson (tjh@cryptsoft.com).

  *

  */

 /* ====================================================================

  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.

  * ECC cipher suite support in OpenSSL originally developed by 

  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.

  */

 #include <limits.h>

 #include <string.h>

 #include <stdio.h>

 #include "ssl_locl.h"

 #include <openssl/buffer.h>

 #include <openssl/rand.h>

 #include <openssl/objects.h>

 #include <openssl/evp.h>

 #include <openssl/x509.h>

 /* send s->init_buf in records of type 'type' (SSL3_RT_HANDSHAKE or SSL3_RT_CHANGE_CIPHER_SPEC) */

 int ssl3_do_write(SSL *s, int type)

 	{

 	int ret;

 	ret=ssl3_write_bytes(s,type,&s->init_buf->data[s->init_off],

 	                     s->init_num);

 	if (ret < 0) return(-1);

 	if (type == SSL3_RT_HANDSHAKE)

 		/* should not be done for 'Hello Request's, but in that case

 		 * we'll ignore the result anyway */

 		ssl3_finish_mac(s,(unsigned char *)&s->init_buf->data[s->init_off],ret);

 	if (ret == s->init_num)

 		{

 		if (s->msg_callback)

 			s->msg_callback(1, s->version, type, s->init_buf->data, (size_t)(s->init_off + s->init_num), s, s->msg_callback_arg);

 		return(1);

 		}

 	s->init_off+=ret;

 	s->init_num-=ret;

 	return(0);

 	}

 int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen)

 	{

 	unsigned char *p,*d;

 	int i;

 	unsigned long l;

 	if (s->state == a)

 		{

 		d=(unsigned char *)s->init_buf->data;

 		p= &(d[4]);

 		i=s->method->ssl3_enc->final_finish_mac(s,

 			&(s->s3->finish_dgst1),

 			&(s->s3->finish_dgst2),

 			sender,slen,s->s3->tmp.finish_md);

 		s->s3->tmp.finish_md_len = i;

 		memcpy(p, s->s3->tmp.finish_md, i);

 		p+=i;

 		l=i;

 #ifdef OPENSSL_SYS_WIN16

 		/* MSVC 1.5 does not clear the top bytes of the word unless

 		 * I do this.

 		 */

 		l&=0xffff;

 #endif

 		*(d++)=SSL3_MT_FINISHED;

 		l2n3(l,d);

 		s->init_num=(int)l+4;

 		s->init_off=0;

 		s->state=b;

 		}

 	/* SSL3_ST_SEND_xxxxxx_HELLO_B */

 	return(ssl3_do_write(s,SSL3_RT_HANDSHAKE));

 	}

 int ssl3_get_finished(SSL *s, int a, int b)

 	{

 	int al,i,ok;

 	long n;

 	unsigned char *p;

 	/* the mac has already been generated when we received the

 	 * change cipher spec message and is in s->s3->tmp.peer_finish_md

 	 */ 

 	n=s->method->ssl_get_message(s,

 		a,

 		b,

 		SSL3_MT_FINISHED,

 		64, /* should actually be 36+4 :-) */

 		&ok);

 	if (!ok) return((int)n);

 	/* If this occurs, we have missed a message */

 	if (!s->s3->change_cipher_spec)

 		{

 		al=SSL_AD_UNEXPECTED_MESSAGE;

 		SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_GOT_A_FIN_BEFORE_A_CCS);

 		goto f_err;

 		}

 	s->s3->change_cipher_spec=0;

 	p = (unsigned char *)s->init_msg;

 	i = s->s3->tmp.peer_finish_md_len;

 	if (i != n)

 		{

 		al=SSL_AD_DECODE_ERROR;

 		SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_BAD_DIGEST_LENGTH);

 		goto f_err;

 		}

 	if (memcmp(p, s->s3->tmp.peer_finish_md, i) != 0)

 		{

 		al=SSL_AD_DECRYPT_ERROR;

 		SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_DIGEST_CHECK_FAILED);

 		goto f_err;

 		}

 	return(1);

 f_err:

 	ssl3_send_alert(s,SSL3_AL_FATAL,al);

 	return(0);

 	}

 /* for these 2 messages, we need to

  * ssl->enc_read_ctx			re-init

  * ssl->s3->read_sequence		zero

  * ssl->s3->read_mac_secret		re-init

  * ssl->session->read_sym_enc		assign

  * ssl->session->read_compression	assign

  * ssl->session->read_hash		assign

  */

 int ssl3_send_change_cipher_spec(SSL *s, int a, int b)

 	{ 

 	unsigned char *p;

 	if (s->state == a)

 		{

 		p=(unsigned char *)s->init_buf->data;

 		*p=SSL3_MT_CCS;

 		s->init_num=1;

 		s->init_off=0;

 		s->state=b;

 		}

 	/* SSL3_ST_CW_CHANGE_B */

 	return(ssl3_do_write(s,SSL3_RT_CHANGE_CIPHER_SPEC));

 	}

 unsigned long ssl3_output_cert_chain(SSL *s, X509 *x)

 	{

 	unsigned char *p;

 	int n,i;

 	unsigned long l=7;

 	BUF_MEM *buf;

 	X509_STORE_CTX xs_ctx;

 	X509_OBJECT obj;

 	int no_chain;

 	if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || s->ctx->extra_certs)

 		no_chain = 1;

 	else

 		no_chain = 0;

 	/* TLSv1 sends a chain with nothing in it, instead of an alert */

 	buf=s->init_buf;

 	if (!BUF_MEM_grow_clean(buf,10))

 		{

 		SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);

 		return(0);

 		}

 	if (x != NULL)

 		{

 		if(!no_chain && !X509_STORE_CTX_init(&xs_ctx,s->ctx->cert_store,NULL,NULL))

 			{

 			SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_X509_LIB);

 			return(0);

 			}

 		for (;;)

 			{

 			n=i2d_X509(x,NULL);

 			if (!BUF_MEM_grow_clean(buf,(int)(n+l+3)))

 				{

 				SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);

 				return(0);

 				}

 			p=(unsigned char *)&(buf->data[l]);

 			l2n3(n,p);

 			i2d_X509(x,&p);

 			l+=n+3;

 			if (no_chain)

 				break;

 			if (X509_NAME_cmp(X509_get_subject_name(x),

 				X509_get_issuer_name(x)) == 0) break;

 			i=X509_STORE_get_by_subject(&xs_ctx,X509_LU_X509,

 				X509_get_issuer_name(x),&obj);

 			if (i <= 0) break;

 			x=obj.data.x509;

 			/* Count is one too high since the X509_STORE_get uped the

 			 * ref count */

 			X509_free(x);

 			}

 		if (!no_chain)

 			X509_STORE_CTX_cleanup(&xs_ctx);

 		}

 	/* Thawte special :-) */

 	if (s->ctx->extra_certs != NULL)

 	for (i=0; i<sk_X509_num(s->ctx->extra_certs); i++)

 		{

 		x=sk_X509_value(s->ctx->extra_certs,i);

 		n=i2d_X509(x,NULL);

 		if (!BUF_MEM_grow_clean(buf,(int)(n+l+3)))

 			{

 			SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);

 			return(0);

 			}

 		p=(unsigned char *)&(buf->data[l]);

 		l2n3(n,p);

 		i2d_X509(x,&p);

 		l+=n+3;

 		}

 	l-=7;

 	p=(unsigned char *)&(buf->data[4]);

 	l2n3(l,p);

 	l+=3;

 	p=(unsigned char *)&(buf->data[0]);

 	*(p++)=SSL3_MT_CERTIFICATE;

 	l2n3(l,p);

 	l+=4;

 	return(l);

 	}

 /* Obtain handshake message of message type 'mt' (any if mt == -1),

  * maximum acceptable body length 'max'.

  * The first four bytes (msg_type and length) are read in state 'st1',

  * the body is read in state 'stn'.

  */

 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)

 	{

 	unsigned char *p;

 	unsigned long l;

 	long n;

 	int i,al;

 	if (s->s3->tmp.reuse_message)

 		{

 		s->s3->tmp.reuse_message=0;

 		if ((mt >= 0) && (s->s3->tmp.message_type != mt))

 			{

 			al=SSL_AD_UNEXPECTED_MESSAGE;

 			SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);

 			goto f_err;

 			}

 		*ok=1;

 		s->init_msg = s->init_buf->data + 4;

 		s->init_num = (int)s->s3->tmp.message_size;

 		return s->init_num;

 		}

 	p=(unsigned char *)s->init_buf->data;

 	if (s->state == st1) /* s->init_num < 4 */

 		{

 		int skip_message;

 		do

 			{

 			while (s->init_num < 4)

 				{

 				i=s->method->ssl_read_bytes(s,SSL3_RT_HANDSHAKE,

 					&p[s->init_num],4 - s->init_num, 0);

 				if (i <= 0)

 					{

 					s->rwstate=SSL_READING;

 					*ok = 0;

 					return i;

 					}

 				s->init_num+=i;

 				}

 			skip_message = 0;

 			if (!s->server)

 				if (p[0] == SSL3_MT_HELLO_REQUEST)

 					/* The server may always send 'Hello Request' messages --

 					 * we are doing a handshake anyway now, so ignore them

 					 * if their format is correct. Does not count for

 					 * 'Finished' MAC. */

 					if (p[1] == 0 && p[2] == 0 &&p[3] == 0)

 						{

 						s->init_num = 0;

 						skip_message = 1;

 						if (s->msg_callback)

 							s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, p, 4, s, s->msg_callback_arg);

 						}

 			}

 		while (skip_message);

 		/* s->init_num == 4 */

 		if ((mt >= 0) && (*p != mt))

 			{

 			al=SSL_AD_UNEXPECTED_MESSAGE;

 			SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);

 			goto f_err;

 			}

 		if ((mt < 0) && (*p == SSL3_MT_CLIENT_HELLO) &&

 					(st1 == SSL3_ST_SR_CERT_A) &&

 					(stn == SSL3_ST_SR_CERT_B))

 			{

 			/* At this point we have got an MS SGC second client

 			 * hello (maybe we should always allow the client to

 			 * start a new handshake?). We need to restart the mac.

 			 * Don't increment {num,total}_renegotiations because

 			 * we have not completed the handshake. */

 			ssl3_init_finished_mac(s);

 			}

 		s->s3->tmp.message_type= *(p++);

 		n2l3(p,l);

 		if (l > (unsigned long)max)

 			{

 			al=SSL_AD_ILLEGAL_PARAMETER;

 			SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE);

 			goto f_err;

 			}

 		if (l > (INT_MAX-4)) /* BUF_MEM_grow takes an 'int' parameter */

 			{

 			al=SSL_AD_ILLEGAL_PARAMETER;

 			SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE);

 			goto f_err;

 			}

 		if (l && !BUF_MEM_grow_clean(s->init_buf,(int)l+4))

 			{

 			SSLerr(SSL_F_SSL3_GET_MESSAGE,ERR_R_BUF_LIB);

 			goto err;

 			}

 		s->s3->tmp.message_size=l;

 		s->state=stn;

 		s->init_msg = s->init_buf->data + 4;

 		s->init_num = 0;

 		}

 	/* next state (stn) */

 	p = s->init_msg;

 	n = s->s3->tmp.message_size - s->init_num;

 	while (n > 0)

 		{

 		i=s->method->ssl_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],n,0);

 		if (i <= 0)

 			{

 			s->rwstate=SSL_READING;

 			*ok = 0;

 			return i;

 			}

 		s->init_num += i;

 		n -= i;

 		}

 	ssl3_finish_mac(s, (unsigned char *)s->init_buf->data, s->init_num + 4);

 	if (s->msg_callback)

 		s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, s->init_buf->data, (size_t)s->init_num + 4, s, s->msg_callback_arg);

 	*ok=1;

 	return s->init_num;

 f_err:

 	ssl3_send_alert(s,SSL3_AL_FATAL,al);

 err:

 	*ok=0;

 	return(-1);

 	}

 int ssl_cert_type(X509 *x, EVP_PKEY *pkey)

 	{

 	EVP_PKEY *pk;

 	int ret= -1,i;

 	if (pkey == NULL)

 		pk=X509_get_pubkey(x);

 	else

 		pk=pkey;

 	if (pk == NULL) goto err;

 	i=pk->type;

 	if (i == EVP_PKEY_RSA)

 		{

 		ret=SSL_PKEY_RSA_ENC;

 		}

 	else if (i == EVP_PKEY_DSA)

 		{

 		ret=SSL_PKEY_DSA_SIGN;

 		}

 #ifndef OPENSSL_NO_EC

 	else if (i == EVP_PKEY_EC)

 		{

 		ret = SSL_PKEY_ECC;

 		}

 #endif

 err:

 	if(!pkey) EVP_PKEY_free(pk);

 	return(ret);

 	}

 int ssl_verify_alarm_type(long type)

 	{

 	int al;

 	switch(type)

 		{

 	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:

 	case X509_V_ERR_UNABLE_TO_GET_CRL:

 	case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:

 		al=SSL_AD_UNKNOWN_CA;

 		break;

 	case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:

 	case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:

 	case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:

 	case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:

 	case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:

 	case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:

 	case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:

 	case X509_V_ERR_CERT_NOT_YET_VALID:

 	case X509_V_ERR_CRL_NOT_YET_VALID:

 	case X509_V_ERR_CERT_UNTRUSTED:

 	case X509_V_ERR_CERT_REJECTED:

 		al=SSL_AD_BAD_CERTIFICATE;

 		break;

 	case X509_V_ERR_CERT_SIGNATURE_FAILURE:

 	case X509_V_ERR_CRL_SIGNATURE_FAILURE:

 		al=SSL_AD_DECRYPT_ERROR;

 		break;

 	case X509_V_ERR_CERT_HAS_EXPIRED:

 	case X509_V_ERR_CRL_HAS_EXPIRED:

 		al=SSL_AD_CERTIFICATE_EXPIRED;

 		break;

 	case X509_V_ERR_CERT_REVOKED:

 		al=SSL_AD_CERTIFICATE_REVOKED;

 		break;

 	case X509_V_ERR_OUT_OF_MEM:

 		al=SSL_AD_INTERNAL_ERROR;

 		break;

 	case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:

 	case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:

 	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:

 	case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:

 	case X509_V_ERR_CERT_CHAIN_TOO_LONG:

 	case X509_V_ERR_PATH_LENGTH_EXCEEDED:

 	case X509_V_ERR_INVALID_CA:

 		al=SSL_AD_UNKNOWN_CA;

 		break;

 	case X509_V_ERR_APPLICATION_VERIFICATION:

 		al=SSL_AD_HANDSHAKE_FAILURE;

 		break;

 	case X509_V_ERR_INVALID_PURPOSE:

 		al=SSL_AD_UNSUPPORTED_CERTIFICATE;

 		break;

 	default:

 		al=SSL_AD_CERTIFICATE_UNKNOWN;

 		break;

 		}

 	return(al);

 	}

 int ssl3_setup_buffers(SSL *s)

 	{

 	unsigned char *p;

 	unsigned int extra;

 	size_t len;

 	if (s->s3->rbuf.buf == NULL)

 		{

 		if (s->options & SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER)

 			extra=SSL3_RT_MAX_EXTRA;

 		else

 			extra=0;

 		len = SSL3_RT_MAX_PACKET_SIZE + extra;

 		if ((p=OPENSSL_malloc(len)) == NULL)

 			goto err;

 		s->s3->rbuf.buf = p;

 		s->s3->rbuf.len = len;

 		}

 	if (s->s3->wbuf.buf == NULL)

 		{

 		len = SSL3_RT_MAX_PACKET_SIZE;

 		len += SSL3_RT_HEADER_LENGTH + 256; /* extra space for empty fragment */

 		if ((p=OPENSSL_malloc(len)) == NULL)

 			goto err;

 		s->s3->wbuf.buf = p;

 		s->s3->wbuf.len = len;

 		}

 	s->packet= &(s->s3->rbuf.buf[0]);

 	return(1);

 err:

 	SSLerr(SSL_F_SSL3_SETUP_BUFFERS,ERR_R_MALLOC_FAILURE);

 	return(0);

 	}