sl@0: /* ssl/s3_both.c */
sl@0: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * This package is an SSL implementation written
sl@0:  * by Eric Young (eay@cryptsoft.com).
sl@0:  * The implementation was written so as to conform with Netscapes SSL.
sl@0:  * 
sl@0:  * This library is free for commercial and non-commercial use as long as
sl@0:  * the following conditions are aheared to.  The following conditions
sl@0:  * apply to all code found in this distribution, be it the RC4, RSA,
sl@0:  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
sl@0:  * included with this distribution is covered by the same copyright terms
sl@0:  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
sl@0:  * 
sl@0:  * Copyright remains Eric Young's, and as such any Copyright notices in
sl@0:  * the code are not to be removed.
sl@0:  * If this package is used in a product, Eric Young should be given attribution
sl@0:  * as the author of the parts of the library used.
sl@0:  * This can be in the form of a textual message at program startup or
sl@0:  * in documentation (online or textual) provided with the package.
sl@0:  * 
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 3. All advertising materials mentioning features or use of this software
sl@0:  *    must display the following acknowledgement:
sl@0:  *    "This product includes cryptographic software written by
sl@0:  *     Eric Young (eay@cryptsoft.com)"
sl@0:  *    The word 'cryptographic' can be left out if the rouines from the library
sl@0:  *    being used are not cryptographic related :-).
sl@0:  * 4. If you include any Windows specific code (or a derivative thereof) from 
sl@0:  *    the apps directory (application code) you must include an acknowledgement:
sl@0:  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  * 
sl@0:  * The licence and distribution terms for any publically available version or
sl@0:  * derivative of this code cannot be changed.  i.e. this code cannot simply be
sl@0:  * copied and put under another distribution licence
sl@0:  * [including the GNU Public Licence.]
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    openssl-core@openssl.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
sl@0:  * ECC cipher suite support in OpenSSL originally developed by 
sl@0:  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
sl@0:  */
sl@0: 
sl@0: #include <limits.h>
sl@0: #include <string.h>
sl@0: #include <stdio.h>
sl@0: #include "ssl_locl.h"
sl@0: #include <openssl/buffer.h>
sl@0: #include <openssl/rand.h>
sl@0: #include <openssl/objects.h>
sl@0: #include <openssl/evp.h>
sl@0: #include <openssl/x509.h>
sl@0: 
sl@0: /* send s->init_buf in records of type 'type' (SSL3_RT_HANDSHAKE or SSL3_RT_CHANGE_CIPHER_SPEC) */
sl@0: int ssl3_do_write(SSL *s, int type)
sl@0: 	{
sl@0: 	int ret;
sl@0: 
sl@0: 	ret=ssl3_write_bytes(s,type,&s->init_buf->data[s->init_off],
sl@0: 	                     s->init_num);
sl@0: 	if (ret < 0) return(-1);
sl@0: 	if (type == SSL3_RT_HANDSHAKE)
sl@0: 		/* should not be done for 'Hello Request's, but in that case
sl@0: 		 * we'll ignore the result anyway */
sl@0: 		ssl3_finish_mac(s,(unsigned char *)&s->init_buf->data[s->init_off],ret);
sl@0: 	
sl@0: 	if (ret == s->init_num)
sl@0: 		{
sl@0: 		if (s->msg_callback)
sl@0: 			s->msg_callback(1, s->version, type, s->init_buf->data, (size_t)(s->init_off + s->init_num), s, s->msg_callback_arg);
sl@0: 		return(1);
sl@0: 		}
sl@0: 	s->init_off+=ret;
sl@0: 	s->init_num-=ret;
sl@0: 	return(0);
sl@0: 	}
sl@0: 
sl@0: int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen)
sl@0: 	{
sl@0: 	unsigned char *p,*d;
sl@0: 	int i;
sl@0: 	unsigned long l;
sl@0: 
sl@0: 	if (s->state == a)
sl@0: 		{
sl@0: 		d=(unsigned char *)s->init_buf->data;
sl@0: 		p= &(d[4]);
sl@0: 
sl@0: 		i=s->method->ssl3_enc->final_finish_mac(s,
sl@0: 			&(s->s3->finish_dgst1),
sl@0: 			&(s->s3->finish_dgst2),
sl@0: 			sender,slen,s->s3->tmp.finish_md);
sl@0: 		s->s3->tmp.finish_md_len = i;
sl@0: 		memcpy(p, s->s3->tmp.finish_md, i);
sl@0: 		p+=i;
sl@0: 		l=i;
sl@0: 
sl@0: #ifdef OPENSSL_SYS_WIN16
sl@0: 		/* MSVC 1.5 does not clear the top bytes of the word unless
sl@0: 		 * I do this.
sl@0: 		 */
sl@0: 		l&=0xffff;
sl@0: #endif
sl@0: 
sl@0: 		*(d++)=SSL3_MT_FINISHED;
sl@0: 		l2n3(l,d);
sl@0: 		s->init_num=(int)l+4;
sl@0: 		s->init_off=0;
sl@0: 
sl@0: 		s->state=b;
sl@0: 		}
sl@0: 
sl@0: 	/* SSL3_ST_SEND_xxxxxx_HELLO_B */
sl@0: 	return(ssl3_do_write(s,SSL3_RT_HANDSHAKE));
sl@0: 	}
sl@0: 
sl@0: int ssl3_get_finished(SSL *s, int a, int b)
sl@0: 	{
sl@0: 	int al,i,ok;
sl@0: 	long n;
sl@0: 	unsigned char *p;
sl@0: 
sl@0: 	/* the mac has already been generated when we received the
sl@0: 	 * change cipher spec message and is in s->s3->tmp.peer_finish_md
sl@0: 	 */ 
sl@0: 
sl@0: 	n=s->method->ssl_get_message(s,
sl@0: 		a,
sl@0: 		b,
sl@0: 		SSL3_MT_FINISHED,
sl@0: 		64, /* should actually be 36+4 :-) */
sl@0: 		&ok);
sl@0: 
sl@0: 	if (!ok) return((int)n);
sl@0: 
sl@0: 	/* If this occurs, we have missed a message */
sl@0: 	if (!s->s3->change_cipher_spec)
sl@0: 		{
sl@0: 		al=SSL_AD_UNEXPECTED_MESSAGE;
sl@0: 		SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_GOT_A_FIN_BEFORE_A_CCS);
sl@0: 		goto f_err;
sl@0: 		}
sl@0: 	s->s3->change_cipher_spec=0;
sl@0: 
sl@0: 	p = (unsigned char *)s->init_msg;
sl@0: 	i = s->s3->tmp.peer_finish_md_len;
sl@0: 
sl@0: 	if (i != n)
sl@0: 		{
sl@0: 		al=SSL_AD_DECODE_ERROR;
sl@0: 		SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_BAD_DIGEST_LENGTH);
sl@0: 		goto f_err;
sl@0: 		}
sl@0: 
sl@0: 	if (memcmp(p, s->s3->tmp.peer_finish_md, i) != 0)
sl@0: 		{
sl@0: 		al=SSL_AD_DECRYPT_ERROR;
sl@0: 		SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_DIGEST_CHECK_FAILED);
sl@0: 		goto f_err;
sl@0: 		}
sl@0: 
sl@0: 	return(1);
sl@0: f_err:
sl@0: 	ssl3_send_alert(s,SSL3_AL_FATAL,al);
sl@0: 	return(0);
sl@0: 	}
sl@0: 
sl@0: /* for these 2 messages, we need to
sl@0:  * ssl->enc_read_ctx			re-init
sl@0:  * ssl->s3->read_sequence		zero
sl@0:  * ssl->s3->read_mac_secret		re-init
sl@0:  * ssl->session->read_sym_enc		assign
sl@0:  * ssl->session->read_compression	assign
sl@0:  * ssl->session->read_hash		assign
sl@0:  */
sl@0: int ssl3_send_change_cipher_spec(SSL *s, int a, int b)
sl@0: 	{ 
sl@0: 	unsigned char *p;
sl@0: 
sl@0: 	if (s->state == a)
sl@0: 		{
sl@0: 		p=(unsigned char *)s->init_buf->data;
sl@0: 		*p=SSL3_MT_CCS;
sl@0: 		s->init_num=1;
sl@0: 		s->init_off=0;
sl@0: 
sl@0: 		s->state=b;
sl@0: 		}
sl@0: 
sl@0: 	/* SSL3_ST_CW_CHANGE_B */
sl@0: 	return(ssl3_do_write(s,SSL3_RT_CHANGE_CIPHER_SPEC));
sl@0: 	}
sl@0: 
sl@0: unsigned long ssl3_output_cert_chain(SSL *s, X509 *x)
sl@0: 	{
sl@0: 	unsigned char *p;
sl@0: 	int n,i;
sl@0: 	unsigned long l=7;
sl@0: 	BUF_MEM *buf;
sl@0: 	X509_STORE_CTX xs_ctx;
sl@0: 	X509_OBJECT obj;
sl@0: 
sl@0: 	int no_chain;
sl@0: 
sl@0: 	if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || s->ctx->extra_certs)
sl@0: 		no_chain = 1;
sl@0: 	else
sl@0: 		no_chain = 0;
sl@0: 
sl@0: 	/* TLSv1 sends a chain with nothing in it, instead of an alert */
sl@0: 	buf=s->init_buf;
sl@0: 	if (!BUF_MEM_grow_clean(buf,10))
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	if (x != NULL)
sl@0: 		{
sl@0: 		if(!no_chain && !X509_STORE_CTX_init(&xs_ctx,s->ctx->cert_store,NULL,NULL))
sl@0: 			{
sl@0: 			SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_X509_LIB);
sl@0: 			return(0);
sl@0: 			}
sl@0: 
sl@0: 		for (;;)
sl@0: 			{
sl@0: 			n=i2d_X509(x,NULL);
sl@0: 			if (!BUF_MEM_grow_clean(buf,(int)(n+l+3)))
sl@0: 				{
sl@0: 				SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);
sl@0: 				return(0);
sl@0: 				}
sl@0: 			p=(unsigned char *)&(buf->data[l]);
sl@0: 			l2n3(n,p);
sl@0: 			i2d_X509(x,&p);
sl@0: 			l+=n+3;
sl@0: 
sl@0: 			if (no_chain)
sl@0: 				break;
sl@0: 
sl@0: 			if (X509_NAME_cmp(X509_get_subject_name(x),
sl@0: 				X509_get_issuer_name(x)) == 0) break;
sl@0: 
sl@0: 			i=X509_STORE_get_by_subject(&xs_ctx,X509_LU_X509,
sl@0: 				X509_get_issuer_name(x),&obj);
sl@0: 			if (i <= 0) break;
sl@0: 			x=obj.data.x509;
sl@0: 			/* Count is one too high since the X509_STORE_get uped the
sl@0: 			 * ref count */
sl@0: 			X509_free(x);
sl@0: 			}
sl@0: 		if (!no_chain)
sl@0: 			X509_STORE_CTX_cleanup(&xs_ctx);
sl@0: 		}
sl@0: 
sl@0: 	/* Thawte special :-) */
sl@0: 	if (s->ctx->extra_certs != NULL)
sl@0: 	for (i=0; i<sk_X509_num(s->ctx->extra_certs); i++)
sl@0: 		{
sl@0: 		x=sk_X509_value(s->ctx->extra_certs,i);
sl@0: 		n=i2d_X509(x,NULL);
sl@0: 		if (!BUF_MEM_grow_clean(buf,(int)(n+l+3)))
sl@0: 			{
sl@0: 			SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);
sl@0: 			return(0);
sl@0: 			}
sl@0: 		p=(unsigned char *)&(buf->data[l]);
sl@0: 		l2n3(n,p);
sl@0: 		i2d_X509(x,&p);
sl@0: 		l+=n+3;
sl@0: 		}
sl@0: 
sl@0: 	l-=7;
sl@0: 	p=(unsigned char *)&(buf->data[4]);
sl@0: 	l2n3(l,p);
sl@0: 	l+=3;
sl@0: 	p=(unsigned char *)&(buf->data[0]);
sl@0: 	*(p++)=SSL3_MT_CERTIFICATE;
sl@0: 	l2n3(l,p);
sl@0: 	l+=4;
sl@0: 	return(l);
sl@0: 	}
sl@0: 
sl@0: /* Obtain handshake message of message type 'mt' (any if mt == -1),
sl@0:  * maximum acceptable body length 'max'.
sl@0:  * The first four bytes (msg_type and length) are read in state 'st1',
sl@0:  * the body is read in state 'stn'.
sl@0:  */
sl@0: long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)
sl@0: 	{
sl@0: 	unsigned char *p;
sl@0: 	unsigned long l;
sl@0: 	long n;
sl@0: 	int i,al;
sl@0: 
sl@0: 	if (s->s3->tmp.reuse_message)
sl@0: 		{
sl@0: 		s->s3->tmp.reuse_message=0;
sl@0: 		if ((mt >= 0) && (s->s3->tmp.message_type != mt))
sl@0: 			{
sl@0: 			al=SSL_AD_UNEXPECTED_MESSAGE;
sl@0: 			SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);
sl@0: 			goto f_err;
sl@0: 			}
sl@0: 		*ok=1;
sl@0: 		s->init_msg = s->init_buf->data + 4;
sl@0: 		s->init_num = (int)s->s3->tmp.message_size;
sl@0: 		return s->init_num;
sl@0: 		}
sl@0: 
sl@0: 	p=(unsigned char *)s->init_buf->data;
sl@0: 
sl@0: 	if (s->state == st1) /* s->init_num < 4 */
sl@0: 		{
sl@0: 		int skip_message;
sl@0: 
sl@0: 		do
sl@0: 			{
sl@0: 			while (s->init_num < 4)
sl@0: 				{
sl@0: 				i=s->method->ssl_read_bytes(s,SSL3_RT_HANDSHAKE,
sl@0: 					&p[s->init_num],4 - s->init_num, 0);
sl@0: 				if (i <= 0)
sl@0: 					{
sl@0: 					s->rwstate=SSL_READING;
sl@0: 					*ok = 0;
sl@0: 					return i;
sl@0: 					}
sl@0: 				s->init_num+=i;
sl@0: 				}
sl@0: 			
sl@0: 			skip_message = 0;
sl@0: 			if (!s->server)
sl@0: 				if (p[0] == SSL3_MT_HELLO_REQUEST)
sl@0: 					/* The server may always send 'Hello Request' messages --
sl@0: 					 * we are doing a handshake anyway now, so ignore them
sl@0: 					 * if their format is correct. Does not count for
sl@0: 					 * 'Finished' MAC. */
sl@0: 					if (p[1] == 0 && p[2] == 0 &&p[3] == 0)
sl@0: 						{
sl@0: 						s->init_num = 0;
sl@0: 						skip_message = 1;
sl@0: 
sl@0: 						if (s->msg_callback)
sl@0: 							s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, p, 4, s, s->msg_callback_arg);
sl@0: 						}
sl@0: 			}
sl@0: 		while (skip_message);
sl@0: 
sl@0: 		/* s->init_num == 4 */
sl@0: 
sl@0: 		if ((mt >= 0) && (*p != mt))
sl@0: 			{
sl@0: 			al=SSL_AD_UNEXPECTED_MESSAGE;
sl@0: 			SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);
sl@0: 			goto f_err;
sl@0: 			}
sl@0: 		if ((mt < 0) && (*p == SSL3_MT_CLIENT_HELLO) &&
sl@0: 					(st1 == SSL3_ST_SR_CERT_A) &&
sl@0: 					(stn == SSL3_ST_SR_CERT_B))
sl@0: 			{
sl@0: 			/* At this point we have got an MS SGC second client
sl@0: 			 * hello (maybe we should always allow the client to
sl@0: 			 * start a new handshake?). We need to restart the mac.
sl@0: 			 * Don't increment {num,total}_renegotiations because
sl@0: 			 * we have not completed the handshake. */
sl@0: 			ssl3_init_finished_mac(s);
sl@0: 			}
sl@0: 
sl@0: 		s->s3->tmp.message_type= *(p++);
sl@0: 
sl@0: 		n2l3(p,l);
sl@0: 		if (l > (unsigned long)max)
sl@0: 			{
sl@0: 			al=SSL_AD_ILLEGAL_PARAMETER;
sl@0: 			SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE);
sl@0: 			goto f_err;
sl@0: 			}
sl@0: 		if (l > (INT_MAX-4)) /* BUF_MEM_grow takes an 'int' parameter */
sl@0: 			{
sl@0: 			al=SSL_AD_ILLEGAL_PARAMETER;
sl@0: 			SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE);
sl@0: 			goto f_err;
sl@0: 			}
sl@0: 		if (l && !BUF_MEM_grow_clean(s->init_buf,(int)l+4))
sl@0: 			{
sl@0: 			SSLerr(SSL_F_SSL3_GET_MESSAGE,ERR_R_BUF_LIB);
sl@0: 			goto err;
sl@0: 			}
sl@0: 		s->s3->tmp.message_size=l;
sl@0: 		s->state=stn;
sl@0: 
sl@0: 		s->init_msg = s->init_buf->data + 4;
sl@0: 		s->init_num = 0;
sl@0: 		}
sl@0: 
sl@0: 	/* next state (stn) */
sl@0: 	p = s->init_msg;
sl@0: 	n = s->s3->tmp.message_size - s->init_num;
sl@0: 	while (n > 0)
sl@0: 		{
sl@0: 		i=s->method->ssl_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],n,0);
sl@0: 		if (i <= 0)
sl@0: 			{
sl@0: 			s->rwstate=SSL_READING;
sl@0: 			*ok = 0;
sl@0: 			return i;
sl@0: 			}
sl@0: 		s->init_num += i;
sl@0: 		n -= i;
sl@0: 		}
sl@0: 	ssl3_finish_mac(s, (unsigned char *)s->init_buf->data, s->init_num + 4);
sl@0: 	if (s->msg_callback)
sl@0: 		s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, s->init_buf->data, (size_t)s->init_num + 4, s, s->msg_callback_arg);
sl@0: 	*ok=1;
sl@0: 	return s->init_num;
sl@0: f_err:
sl@0: 	ssl3_send_alert(s,SSL3_AL_FATAL,al);
sl@0: err:
sl@0: 	*ok=0;
sl@0: 	return(-1);
sl@0: 	}
sl@0: 
sl@0: int ssl_cert_type(X509 *x, EVP_PKEY *pkey)
sl@0: 	{
sl@0: 	EVP_PKEY *pk;
sl@0: 	int ret= -1,i;
sl@0: 
sl@0: 	if (pkey == NULL)
sl@0: 		pk=X509_get_pubkey(x);
sl@0: 	else
sl@0: 		pk=pkey;
sl@0: 	if (pk == NULL) goto err;
sl@0: 
sl@0: 	i=pk->type;
sl@0: 	if (i == EVP_PKEY_RSA)
sl@0: 		{
sl@0: 		ret=SSL_PKEY_RSA_ENC;
sl@0: 		}
sl@0: 	else if (i == EVP_PKEY_DSA)
sl@0: 		{
sl@0: 		ret=SSL_PKEY_DSA_SIGN;
sl@0: 		}
sl@0: #ifndef OPENSSL_NO_EC
sl@0: 	else if (i == EVP_PKEY_EC)
sl@0: 		{
sl@0: 		ret = SSL_PKEY_ECC;
sl@0: 		}
sl@0: #endif
sl@0: 
sl@0: err:
sl@0: 	if(!pkey) EVP_PKEY_free(pk);
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: int ssl_verify_alarm_type(long type)
sl@0: 	{
sl@0: 	int al;
sl@0: 
sl@0: 	switch(type)
sl@0: 		{
sl@0: 	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
sl@0: 	case X509_V_ERR_UNABLE_TO_GET_CRL:
sl@0: 	case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
sl@0: 		al=SSL_AD_UNKNOWN_CA;
sl@0: 		break;
sl@0: 	case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
sl@0: 	case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
sl@0: 	case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
sl@0: 	case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
sl@0: 	case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
sl@0: 	case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
sl@0: 	case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
sl@0: 	case X509_V_ERR_CERT_NOT_YET_VALID:
sl@0: 	case X509_V_ERR_CRL_NOT_YET_VALID:
sl@0: 	case X509_V_ERR_CERT_UNTRUSTED:
sl@0: 	case X509_V_ERR_CERT_REJECTED:
sl@0: 		al=SSL_AD_BAD_CERTIFICATE;
sl@0: 		break;
sl@0: 	case X509_V_ERR_CERT_SIGNATURE_FAILURE:
sl@0: 	case X509_V_ERR_CRL_SIGNATURE_FAILURE:
sl@0: 		al=SSL_AD_DECRYPT_ERROR;
sl@0: 		break;
sl@0: 	case X509_V_ERR_CERT_HAS_EXPIRED:
sl@0: 	case X509_V_ERR_CRL_HAS_EXPIRED:
sl@0: 		al=SSL_AD_CERTIFICATE_EXPIRED;
sl@0: 		break;
sl@0: 	case X509_V_ERR_CERT_REVOKED:
sl@0: 		al=SSL_AD_CERTIFICATE_REVOKED;
sl@0: 		break;
sl@0: 	case X509_V_ERR_OUT_OF_MEM:
sl@0: 		al=SSL_AD_INTERNAL_ERROR;
sl@0: 		break;
sl@0: 	case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
sl@0: 	case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
sl@0: 	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
sl@0: 	case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
sl@0: 	case X509_V_ERR_CERT_CHAIN_TOO_LONG:
sl@0: 	case X509_V_ERR_PATH_LENGTH_EXCEEDED:
sl@0: 	case X509_V_ERR_INVALID_CA:
sl@0: 		al=SSL_AD_UNKNOWN_CA;
sl@0: 		break;
sl@0: 	case X509_V_ERR_APPLICATION_VERIFICATION:
sl@0: 		al=SSL_AD_HANDSHAKE_FAILURE;
sl@0: 		break;
sl@0: 	case X509_V_ERR_INVALID_PURPOSE:
sl@0: 		al=SSL_AD_UNSUPPORTED_CERTIFICATE;
sl@0: 		break;
sl@0: 	default:
sl@0: 		al=SSL_AD_CERTIFICATE_UNKNOWN;
sl@0: 		break;
sl@0: 		}
sl@0: 	return(al);
sl@0: 	}
sl@0: 
sl@0: int ssl3_setup_buffers(SSL *s)
sl@0: 	{
sl@0: 	unsigned char *p;
sl@0: 	unsigned int extra;
sl@0: 	size_t len;
sl@0: 
sl@0: 	if (s->s3->rbuf.buf == NULL)
sl@0: 		{
sl@0: 		if (s->options & SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER)
sl@0: 			extra=SSL3_RT_MAX_EXTRA;
sl@0: 		else
sl@0: 			extra=0;
sl@0: 		len = SSL3_RT_MAX_PACKET_SIZE + extra;
sl@0: 		if ((p=OPENSSL_malloc(len)) == NULL)
sl@0: 			goto err;
sl@0: 		s->s3->rbuf.buf = p;
sl@0: 		s->s3->rbuf.len = len;
sl@0: 		}
sl@0: 
sl@0: 	if (s->s3->wbuf.buf == NULL)
sl@0: 		{
sl@0: 		len = SSL3_RT_MAX_PACKET_SIZE;
sl@0: 		len += SSL3_RT_HEADER_LENGTH + 256; /* extra space for empty fragment */
sl@0: 		if ((p=OPENSSL_malloc(len)) == NULL)
sl@0: 			goto err;
sl@0: 		s->s3->wbuf.buf = p;
sl@0: 		s->s3->wbuf.len = len;
sl@0: 		}
sl@0: 	s->packet= &(s->s3->rbuf.buf[0]);
sl@0: 	return(1);
sl@0: err:
sl@0: 	SSLerr(SSL_F_SSL3_SETUP_BUFFERS,ERR_R_MALLOC_FAILURE);
sl@0: 	return(0);
sl@0: 	}