s3_both.c revision 9dc0df1bac950d6e491f9a7c7e4888f2b301cb15
/* 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
* 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
* 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"
/* send s->init_buf in records of type 'type' (SSL3_RT_HANDSHAKE or SSL3_RT_CHANGE_CIPHER_SPEC) */
{
int ret;
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 */
{
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);
}
return(0);
}
{
unsigned char *p,*d;
int i;
unsigned long l;
if (s->state == a)
{
p= &(d[4]);
&(s->s3->finish_dgst1),
&(s->s3->finish_dgst2),
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)
{
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,
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)
{
goto f_err;
}
s->s3->change_cipher_spec=0;
p = (unsigned char *)s->init_msg;
if (i != n)
{
goto f_err;
}
{
goto f_err;
}
return(1);
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=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 char *p;
int n,i;
unsigned long l=7;
int no_chain;
no_chain = 1;
else
no_chain = 0;
/* TLSv1 sends a chain with nothing in it, instead of an alert */
{
return(0);
}
if (x != NULL)
{
{
return(0);
}
for (;;)
{
{
return(0);
}
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;
X509_get_issuer_name(x),&obj);
if (i <= 0) break;
/* Count is one too high since the X509_STORE_get uped the
* ref count */
X509_free(x);
}
if (!no_chain)
}
/* Thawte special :-) */
{
{
return(0);
}
l2n3(n,p);
i2d_X509(x,&p);
l+=n+3;
}
l-=7;
l2n3(l,p);
l+=3;
*(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'.
*/
{
unsigned char *p;
unsigned long l;
long n;
int i,al;
{
{
goto f_err;
}
*ok=1;
return s->init_num;
}
{
int skip_message;
do
{
while (s->init_num < 4)
{
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)
}
}
while (skip_message);
/* s->init_num == 4 */
{
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. */
}
n2l3(p,l);
if (l > (unsigned long)max)
{
goto f_err;
}
{
goto f_err;
}
{
goto err;
}
s->init_num = 0;
}
/* next state (stn) */
p = s->init_msg;
while (n > 0)
{
if (i <= 0)
{
s->rwstate=SSL_READING;
*ok = 0;
return i;
}
s->init_num += i;
n -= i;
}
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;
err:
*ok=0;
return(-1);
}
{
int ret= -1,i;
pk=X509_get_pubkey(x);
else
if (i == EVP_PKEY_RSA)
{
}
else if (i == EVP_PKEY_DSA)
{
}
#ifndef OPENSSL_NO_EC
else if (i == EVP_PKEY_EC)
{
ret = SSL_PKEY_ECC;
}
#endif
err:
return(ret);
}
int ssl_verify_alarm_type(long type)
{
int al;
switch(type)
{
break;
case X509_V_ERR_CERT_REJECTED:
break;
break;
break;
case X509_V_ERR_CERT_REVOKED:
break;
case X509_V_ERR_OUT_OF_MEM:
break;
case X509_V_ERR_INVALID_CA:
break;
break;
break;
default:
break;
}
return(al);
}
int ssl3_setup_buffers(SSL *s)
{
unsigned char *p;
unsigned int extra;
{
if (s->options & SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER)
else
extra=0;
goto err;
}
{
goto err;
}
return(1);
err:
return(0);
}