2005-04-26 16:02:40 +00:00
|
|
|
/* ssl/d1_clnt.c */
|
|
|
|
/*
|
|
|
|
* DTLS implementation written by Nagendra Modadugu
|
|
|
|
* (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
|
|
|
|
*/
|
|
|
|
/* ====================================================================
|
2007-02-17 06:45:38 +00:00
|
|
|
* Copyright (c) 1999-2007 The OpenSSL Project. All rights reserved.
|
2005-04-26 16:02:40 +00:00
|
|
|
*
|
|
|
|
* 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 (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 "ssl_locl.h"
|
2009-04-21 22:20:12 +00:00
|
|
|
#ifndef OPENSSL_NO_KRB5
|
|
|
|
#include "kssl_lcl.h"
|
|
|
|
#endif
|
2005-04-26 16:02:40 +00:00
|
|
|
#include <openssl/buffer.h>
|
|
|
|
#include <openssl/rand.h>
|
|
|
|
#include <openssl/objects.h>
|
|
|
|
#include <openssl/evp.h>
|
|
|
|
#include <openssl/md5.h>
|
2008-03-16 21:05:46 +00:00
|
|
|
#include <openssl/bn.h>
|
2005-07-16 12:37:36 +00:00
|
|
|
#ifndef OPENSSL_NO_DH
|
|
|
|
#include <openssl/dh.h>
|
|
|
|
#endif
|
2005-04-26 16:02:40 +00:00
|
|
|
|
2005-08-14 21:48:33 +00:00
|
|
|
static const SSL_METHOD *dtls1_get_client_method(int ver);
|
2005-04-26 16:02:40 +00:00
|
|
|
static int dtls1_get_hello_verify(SSL *s);
|
|
|
|
|
2005-08-14 21:48:33 +00:00
|
|
|
static const SSL_METHOD *dtls1_get_client_method(int ver)
|
2005-04-26 16:02:40 +00:00
|
|
|
{
|
2009-04-19 18:03:13 +00:00
|
|
|
if (ver == DTLS1_VERSION || ver == DTLS1_BAD_VER)
|
2005-04-26 16:02:40 +00:00
|
|
|
return(DTLSv1_client_method());
|
2013-03-20 15:49:14 +00:00
|
|
|
else if (ver == DTLS1_2_VERSION)
|
|
|
|
return(DTLSv1_2_client_method());
|
2005-04-26 16:02:40 +00:00
|
|
|
else
|
|
|
|
return(NULL);
|
|
|
|
}
|
|
|
|
|
2013-03-19 15:51:26 +00:00
|
|
|
IMPLEMENT_dtls1_meth_func(DTLS1_VERSION,
|
|
|
|
DTLSv1_client_method,
|
2005-08-05 23:56:11 +00:00
|
|
|
ssl_undefined_function,
|
|
|
|
dtls1_connect,
|
2013-03-19 15:51:26 +00:00
|
|
|
dtls1_get_client_method,
|
|
|
|
DTLSv1_enc_data)
|
2005-04-26 16:02:40 +00:00
|
|
|
|
2013-03-20 15:49:14 +00:00
|
|
|
IMPLEMENT_dtls1_meth_func(DTLS1_2_VERSION,
|
|
|
|
DTLSv1_2_client_method,
|
|
|
|
ssl_undefined_function,
|
|
|
|
dtls1_connect,
|
|
|
|
dtls1_get_client_method,
|
|
|
|
DTLSv1_2_enc_data)
|
|
|
|
|
2013-04-06 14:50:12 +00:00
|
|
|
IMPLEMENT_dtls1_meth_func(DTLS_ANY_VERSION,
|
|
|
|
DTLS_client_method,
|
|
|
|
ssl_undefined_function,
|
|
|
|
dtls1_connect,
|
|
|
|
dtls1_get_client_method,
|
|
|
|
DTLSv1_2_enc_data)
|
|
|
|
|
2005-04-26 16:02:40 +00:00
|
|
|
int dtls1_connect(SSL *s)
|
|
|
|
{
|
|
|
|
BUF_MEM *buf=NULL;
|
2007-02-19 14:53:18 +00:00
|
|
|
unsigned long Time=(unsigned long)time(NULL);
|
2005-04-26 16:02:40 +00:00
|
|
|
void (*cb)(const SSL *ssl,int type,int val)=NULL;
|
|
|
|
int ret= -1;
|
2011-12-25 14:45:40 +00:00
|
|
|
int new_state,state,skip=0;
|
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
unsigned char sctpauthkey[64];
|
|
|
|
char labelbuffer[sizeof(DTLS1_SCTP_AUTH_LABEL)];
|
|
|
|
#endif
|
2005-04-26 16:02:40 +00:00
|
|
|
|
|
|
|
RAND_add(&Time,sizeof(Time),0);
|
|
|
|
ERR_clear_error();
|
|
|
|
clear_sys_error();
|
|
|
|
|
|
|
|
if (s->info_callback != NULL)
|
|
|
|
cb=s->info_callback;
|
|
|
|
else if (s->ctx->info_callback != NULL)
|
|
|
|
cb=s->ctx->info_callback;
|
|
|
|
|
|
|
|
s->in_handshake++;
|
|
|
|
if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s);
|
|
|
|
|
2011-12-25 14:45:40 +00:00
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
/* Notify SCTP BIO socket to enter handshake
|
|
|
|
* mode and prevent stream identifier other
|
|
|
|
* than 0. Will be ignored if no SCTP is used.
|
|
|
|
*/
|
|
|
|
BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE, s->in_handshake, NULL);
|
|
|
|
#endif
|
|
|
|
|
2011-12-31 23:00:36 +00:00
|
|
|
#ifndef OPENSSL_NO_HEARTBEATS
|
|
|
|
/* If we're awaiting a HeartbeatResponse, pretend we
|
|
|
|
* already got and don't await it anymore, because
|
|
|
|
* Heartbeats don't make sense during handshakes anyway.
|
|
|
|
*/
|
|
|
|
if (s->tlsext_hb_pending)
|
|
|
|
{
|
|
|
|
dtls1_stop_timer(s);
|
|
|
|
s->tlsext_hb_pending = 0;
|
|
|
|
s->tlsext_hb_seq++;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2005-04-26 16:02:40 +00:00
|
|
|
for (;;)
|
|
|
|
{
|
|
|
|
state=s->state;
|
|
|
|
|
|
|
|
switch(s->state)
|
|
|
|
{
|
|
|
|
case SSL_ST_RENEGOTIATE:
|
2010-08-27 12:10:12 +00:00
|
|
|
s->renegotiate=1;
|
2005-04-26 16:02:40 +00:00
|
|
|
s->state=SSL_ST_CONNECT;
|
|
|
|
s->ctx->stats.sess_connect_renegotiate++;
|
|
|
|
/* break */
|
|
|
|
case SSL_ST_BEFORE:
|
|
|
|
case SSL_ST_CONNECT:
|
|
|
|
case SSL_ST_BEFORE|SSL_ST_CONNECT:
|
|
|
|
case SSL_ST_OK|SSL_ST_CONNECT:
|
|
|
|
|
|
|
|
s->server=0;
|
|
|
|
if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);
|
|
|
|
|
2009-04-19 18:03:13 +00:00
|
|
|
if ((s->version & 0xff00 ) != (DTLS1_VERSION & 0xff00) &&
|
|
|
|
(s->version & 0xff00 ) != (DTLS1_BAD_VER & 0xff00))
|
2005-04-26 16:02:40 +00:00
|
|
|
{
|
2005-04-26 18:08:00 +00:00
|
|
|
SSLerr(SSL_F_DTLS1_CONNECT, ERR_R_INTERNAL_ERROR);
|
2005-04-26 16:02:40 +00:00
|
|
|
ret = -1;
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* s->version=SSL3_VERSION; */
|
|
|
|
s->type=SSL_ST_CONNECT;
|
|
|
|
|
|
|
|
if (s->init_buf == NULL)
|
|
|
|
{
|
|
|
|
if ((buf=BUF_MEM_new()) == NULL)
|
|
|
|
{
|
|
|
|
ret= -1;
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
if (!BUF_MEM_grow(buf,SSL3_RT_MAX_PLAIN_LENGTH))
|
|
|
|
{
|
|
|
|
ret= -1;
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
s->init_buf=buf;
|
|
|
|
buf=NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!ssl3_setup_buffers(s)) { ret= -1; goto end; }
|
|
|
|
|
|
|
|
/* setup buffing BIO */
|
|
|
|
if (!ssl_init_wbio_buffer(s,0)) { ret= -1; goto end; }
|
|
|
|
|
|
|
|
/* don't push the buffering BIO quite yet */
|
|
|
|
|
|
|
|
s->state=SSL3_ST_CW_CLNT_HELLO_A;
|
|
|
|
s->ctx->stats.sess_connect++;
|
|
|
|
s->init_num=0;
|
2007-09-30 19:15:27 +00:00
|
|
|
/* mark client_random uninitialized */
|
|
|
|
memset(s->s3->client_random,0,sizeof(s->s3->client_random));
|
2009-07-24 11:52:32 +00:00
|
|
|
s->d1->send_cookie = 0;
|
|
|
|
s->hit = 0;
|
2014-11-19 16:01:36 +00:00
|
|
|
s->d1->change_cipher_spec_ok = 0;
|
|
|
|
/* Should have been reset by ssl3_get_finished, too. */
|
|
|
|
s->s3->change_cipher_spec = 0;
|
2005-04-26 16:02:40 +00:00
|
|
|
break;
|
|
|
|
|
2011-12-25 14:45:40 +00:00
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
case DTLS1_SCTP_ST_CR_READ_SOCK:
|
|
|
|
|
|
|
|
if (BIO_dgram_sctp_msg_waiting(SSL_get_rbio(s)))
|
|
|
|
{
|
|
|
|
s->s3->in_read_app_data=2;
|
|
|
|
s->rwstate=SSL_READING;
|
|
|
|
BIO_clear_retry_flags(SSL_get_rbio(s));
|
|
|
|
BIO_set_retry_read(SSL_get_rbio(s));
|
|
|
|
ret = -1;
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
|
|
|
s->state=s->s3->tmp.next_state;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case DTLS1_SCTP_ST_CW_WRITE_SOCK:
|
|
|
|
/* read app data until dry event */
|
|
|
|
|
|
|
|
ret = BIO_dgram_sctp_wait_for_dry(SSL_get_wbio(s));
|
|
|
|
if (ret < 0) goto end;
|
|
|
|
|
|
|
|
if (ret == 0)
|
|
|
|
{
|
|
|
|
s->s3->in_read_app_data=2;
|
|
|
|
s->rwstate=SSL_READING;
|
|
|
|
BIO_clear_retry_flags(SSL_get_rbio(s));
|
|
|
|
BIO_set_retry_read(SSL_get_rbio(s));
|
|
|
|
ret = -1;
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
|
|
|
s->state=s->d1->next_state;
|
|
|
|
break;
|
|
|
|
#endif
|
|
|
|
|
2005-04-26 16:02:40 +00:00
|
|
|
case SSL3_ST_CW_CLNT_HELLO_A:
|
|
|
|
case SSL3_ST_CW_CLNT_HELLO_B:
|
|
|
|
|
|
|
|
s->shutdown=0;
|
2007-09-30 19:34:36 +00:00
|
|
|
|
|
|
|
/* every DTLS ClientHello resets Finished MAC */
|
|
|
|
ssl3_init_finished_mac(s);
|
|
|
|
|
2009-05-15 22:58:13 +00:00
|
|
|
dtls1_start_timer(s);
|
2013-03-11 15:34:28 +00:00
|
|
|
ret=ssl3_client_hello(s);
|
2005-04-26 16:02:40 +00:00
|
|
|
if (ret <= 0) goto end;
|
|
|
|
|
|
|
|
if ( s->d1->send_cookie)
|
|
|
|
{
|
|
|
|
s->state=SSL3_ST_CW_FLUSH;
|
|
|
|
s->s3->tmp.next_state=SSL3_ST_CR_SRVR_HELLO_A;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
s->state=SSL3_ST_CR_SRVR_HELLO_A;
|
|
|
|
|
|
|
|
s->init_num=0;
|
|
|
|
|
2011-12-25 14:45:40 +00:00
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
/* Disable buffering for SCTP */
|
|
|
|
if (!BIO_dgram_is_sctp(SSL_get_wbio(s)))
|
|
|
|
{
|
|
|
|
#endif
|
|
|
|
/* turn on buffering for the next lot of output */
|
|
|
|
if (s->bbio != s->wbio)
|
|
|
|
s->wbio=BIO_push(s->bbio,s->wbio);
|
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
}
|
|
|
|
#endif
|
2005-04-26 16:02:40 +00:00
|
|
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SSL3_ST_CR_SRVR_HELLO_A:
|
|
|
|
case SSL3_ST_CR_SRVR_HELLO_B:
|
|
|
|
ret=ssl3_get_server_hello(s);
|
|
|
|
if (ret <= 0) goto end;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (s->hit)
|
2011-12-25 14:45:40 +00:00
|
|
|
{
|
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
/* Add new shared key for SCTP-Auth,
|
|
|
|
* will be ignored if no SCTP used.
|
|
|
|
*/
|
|
|
|
snprintf((char*) labelbuffer, sizeof(DTLS1_SCTP_AUTH_LABEL),
|
|
|
|
DTLS1_SCTP_AUTH_LABEL);
|
|
|
|
|
|
|
|
SSL_export_keying_material(s, sctpauthkey,
|
|
|
|
sizeof(sctpauthkey), labelbuffer,
|
|
|
|
sizeof(labelbuffer), NULL, 0, 0);
|
|
|
|
|
|
|
|
BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY,
|
|
|
|
sizeof(sctpauthkey), sctpauthkey);
|
|
|
|
#endif
|
|
|
|
|
2005-04-26 16:02:40 +00:00
|
|
|
s->state=SSL3_ST_CR_FINISHED_A;
|
2011-12-25 14:45:40 +00:00
|
|
|
}
|
2005-04-26 16:02:40 +00:00
|
|
|
else
|
|
|
|
s->state=DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A;
|
|
|
|
}
|
|
|
|
s->init_num=0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A:
|
|
|
|
case DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B:
|
|
|
|
|
|
|
|
ret = dtls1_get_hello_verify(s);
|
|
|
|
if ( ret <= 0)
|
|
|
|
goto end;
|
2009-05-15 22:58:13 +00:00
|
|
|
dtls1_stop_timer(s);
|
2005-04-26 16:02:40 +00:00
|
|
|
if ( s->d1->send_cookie) /* start again, with a cookie */
|
|
|
|
s->state=SSL3_ST_CW_CLNT_HELLO_A;
|
|
|
|
else
|
|
|
|
s->state = SSL3_ST_CR_CERT_A;
|
|
|
|
s->init_num = 0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SSL3_ST_CR_CERT_A:
|
|
|
|
case SSL3_ST_CR_CERT_B:
|
2009-05-31 17:11:24 +00:00
|
|
|
/* Check if it is anon DH or PSK */
|
|
|
|
if (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) &&
|
|
|
|
!(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK))
|
2005-04-26 16:02:40 +00:00
|
|
|
{
|
|
|
|
ret=ssl3_get_server_certificate(s);
|
|
|
|
if (ret <= 0) goto end;
|
2009-12-08 11:38:18 +00:00
|
|
|
#ifndef OPENSSL_NO_TLSEXT
|
|
|
|
if (s->tlsext_status_expected)
|
|
|
|
s->state=SSL3_ST_CR_CERT_STATUS_A;
|
|
|
|
else
|
|
|
|
s->state=SSL3_ST_CR_KEY_EXCH_A;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
skip = 1;
|
|
|
|
s->state=SSL3_ST_CR_KEY_EXCH_A;
|
|
|
|
}
|
|
|
|
#else
|
2005-04-26 16:02:40 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
skip=1;
|
2009-12-08 11:38:18 +00:00
|
|
|
|
2005-04-26 16:02:40 +00:00
|
|
|
s->state=SSL3_ST_CR_KEY_EXCH_A;
|
2009-12-08 11:38:18 +00:00
|
|
|
#endif
|
2005-04-26 16:02:40 +00:00
|
|
|
s->init_num=0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SSL3_ST_CR_KEY_EXCH_A:
|
|
|
|
case SSL3_ST_CR_KEY_EXCH_B:
|
|
|
|
ret=ssl3_get_key_exchange(s);
|
|
|
|
if (ret <= 0) goto end;
|
|
|
|
s->state=SSL3_ST_CR_CERT_REQ_A;
|
|
|
|
s->init_num=0;
|
|
|
|
|
|
|
|
/* at this point we check that we have the
|
|
|
|
* required stuff from the server */
|
|
|
|
if (!ssl3_check_cert_and_algorithm(s))
|
|
|
|
{
|
|
|
|
ret= -1;
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SSL3_ST_CR_CERT_REQ_A:
|
|
|
|
case SSL3_ST_CR_CERT_REQ_B:
|
|
|
|
ret=ssl3_get_certificate_request(s);
|
|
|
|
if (ret <= 0) goto end;
|
|
|
|
s->state=SSL3_ST_CR_SRVR_DONE_A;
|
|
|
|
s->init_num=0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SSL3_ST_CR_SRVR_DONE_A:
|
|
|
|
case SSL3_ST_CR_SRVR_DONE_B:
|
|
|
|
ret=ssl3_get_server_done(s);
|
|
|
|
if (ret <= 0) goto end;
|
2012-03-06 13:24:16 +00:00
|
|
|
dtls1_stop_timer(s);
|
2005-04-26 16:02:40 +00:00
|
|
|
if (s->s3->tmp.cert_req)
|
2011-12-25 14:45:40 +00:00
|
|
|
s->s3->tmp.next_state=SSL3_ST_CW_CERT_A;
|
2005-04-26 16:02:40 +00:00
|
|
|
else
|
2011-12-25 14:45:40 +00:00
|
|
|
s->s3->tmp.next_state=SSL3_ST_CW_KEY_EXCH_A;
|
2005-04-26 16:02:40 +00:00
|
|
|
s->init_num=0;
|
|
|
|
|
2011-12-25 14:45:40 +00:00
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
if (BIO_dgram_is_sctp(SSL_get_wbio(s)) &&
|
|
|
|
state == SSL_ST_RENEGOTIATE)
|
|
|
|
s->state=DTLS1_SCTP_ST_CR_READ_SOCK;
|
|
|
|
else
|
|
|
|
#endif
|
|
|
|
s->state=s->s3->tmp.next_state;
|
2005-04-26 16:02:40 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SSL3_ST_CW_CERT_A:
|
|
|
|
case SSL3_ST_CW_CERT_B:
|
|
|
|
case SSL3_ST_CW_CERT_C:
|
|
|
|
case SSL3_ST_CW_CERT_D:
|
2009-05-15 22:58:13 +00:00
|
|
|
dtls1_start_timer(s);
|
2013-03-11 15:34:28 +00:00
|
|
|
ret=ssl3_send_client_certificate(s);
|
2005-04-26 16:02:40 +00:00
|
|
|
if (ret <= 0) goto end;
|
|
|
|
s->state=SSL3_ST_CW_KEY_EXCH_A;
|
|
|
|
s->init_num=0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SSL3_ST_CW_KEY_EXCH_A:
|
|
|
|
case SSL3_ST_CW_KEY_EXCH_B:
|
2009-05-15 22:58:13 +00:00
|
|
|
dtls1_start_timer(s);
|
2013-03-11 15:34:28 +00:00
|
|
|
ret=ssl3_send_client_key_exchange(s);
|
2005-04-26 16:02:40 +00:00
|
|
|
if (ret <= 0) goto end;
|
2011-12-25 14:45:40 +00:00
|
|
|
|
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
/* Add new shared key for SCTP-Auth,
|
|
|
|
* will be ignored if no SCTP used.
|
|
|
|
*/
|
|
|
|
snprintf((char*) labelbuffer, sizeof(DTLS1_SCTP_AUTH_LABEL),
|
|
|
|
DTLS1_SCTP_AUTH_LABEL);
|
|
|
|
|
|
|
|
SSL_export_keying_material(s, sctpauthkey,
|
|
|
|
sizeof(sctpauthkey), labelbuffer,
|
|
|
|
sizeof(labelbuffer), NULL, 0, 0);
|
|
|
|
|
|
|
|
BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY,
|
|
|
|
sizeof(sctpauthkey), sctpauthkey);
|
|
|
|
#endif
|
|
|
|
|
2005-04-26 16:02:40 +00:00
|
|
|
/* EAY EAY EAY need to check for DH fix cert
|
|
|
|
* sent back */
|
|
|
|
/* For TLS, cert_req is set to 2, so a cert chain
|
|
|
|
* of nothing is sent, but no verify packet is sent */
|
|
|
|
if (s->s3->tmp.cert_req == 1)
|
|
|
|
{
|
|
|
|
s->state=SSL3_ST_CW_CERT_VRFY_A;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2011-12-25 14:45:40 +00:00
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
if (BIO_dgram_is_sctp(SSL_get_wbio(s)))
|
|
|
|
{
|
|
|
|
s->d1->next_state=SSL3_ST_CW_CHANGE_A;
|
|
|
|
s->state=DTLS1_SCTP_ST_CW_WRITE_SOCK;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
#endif
|
|
|
|
s->state=SSL3_ST_CW_CHANGE_A;
|
2005-04-26 16:02:40 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
s->init_num=0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SSL3_ST_CW_CERT_VRFY_A:
|
|
|
|
case SSL3_ST_CW_CERT_VRFY_B:
|
2009-05-15 22:58:13 +00:00
|
|
|
dtls1_start_timer(s);
|
2013-03-11 15:34:28 +00:00
|
|
|
ret=ssl3_send_client_verify(s);
|
2005-04-26 16:02:40 +00:00
|
|
|
if (ret <= 0) goto end;
|
2011-12-25 14:45:40 +00:00
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
if (BIO_dgram_is_sctp(SSL_get_wbio(s)))
|
|
|
|
{
|
|
|
|
s->d1->next_state=SSL3_ST_CW_CHANGE_A;
|
|
|
|
s->state=DTLS1_SCTP_ST_CW_WRITE_SOCK;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
#endif
|
|
|
|
s->state=SSL3_ST_CW_CHANGE_A;
|
2005-04-26 16:02:40 +00:00
|
|
|
s->init_num=0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SSL3_ST_CW_CHANGE_A:
|
|
|
|
case SSL3_ST_CW_CHANGE_B:
|
2011-05-25 12:24:43 +00:00
|
|
|
if (!s->hit)
|
|
|
|
dtls1_start_timer(s);
|
2005-04-26 16:02:40 +00:00
|
|
|
ret=dtls1_send_change_cipher_spec(s,
|
|
|
|
SSL3_ST_CW_CHANGE_A,SSL3_ST_CW_CHANGE_B);
|
|
|
|
if (ret <= 0) goto end;
|
2011-12-25 14:45:40 +00:00
|
|
|
|
2005-04-26 16:02:40 +00:00
|
|
|
s->state=SSL3_ST_CW_FINISHED_A;
|
|
|
|
s->init_num=0;
|
|
|
|
|
|
|
|
s->session->cipher=s->s3->tmp.new_cipher;
|
2005-09-30 23:35:33 +00:00
|
|
|
#ifdef OPENSSL_NO_COMP
|
|
|
|
s->session->compress_meth=0;
|
|
|
|
#else
|
2005-04-26 16:02:40 +00:00
|
|
|
if (s->s3->tmp.new_compression == NULL)
|
|
|
|
s->session->compress_meth=0;
|
|
|
|
else
|
|
|
|
s->session->compress_meth=
|
|
|
|
s->s3->tmp.new_compression->id;
|
2005-09-30 23:35:33 +00:00
|
|
|
#endif
|
2005-04-26 16:02:40 +00:00
|
|
|
if (!s->method->ssl3_enc->setup_key_block(s))
|
|
|
|
{
|
|
|
|
ret= -1;
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!s->method->ssl3_enc->change_cipher_state(s,
|
|
|
|
SSL3_CHANGE_CIPHER_CLIENT_WRITE))
|
|
|
|
{
|
|
|
|
ret= -1;
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
2012-05-09 17:28:41 +00:00
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
if (s->hit)
|
|
|
|
{
|
|
|
|
/* Change to new shared key of SCTP-Auth,
|
|
|
|
* will be ignored if no SCTP used.
|
|
|
|
*/
|
|
|
|
BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY, 0, NULL);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2005-04-26 16:02:40 +00:00
|
|
|
dtls1_reset_seq_numbers(s, SSL3_CC_WRITE);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SSL3_ST_CW_FINISHED_A:
|
|
|
|
case SSL3_ST_CW_FINISHED_B:
|
2011-05-25 12:24:43 +00:00
|
|
|
if (!s->hit)
|
|
|
|
dtls1_start_timer(s);
|
2013-03-11 15:34:28 +00:00
|
|
|
ret=ssl3_send_finished(s,
|
2005-04-26 16:02:40 +00:00
|
|
|
SSL3_ST_CW_FINISHED_A,SSL3_ST_CW_FINISHED_B,
|
|
|
|
s->method->ssl3_enc->client_finished_label,
|
|
|
|
s->method->ssl3_enc->client_finished_label_len);
|
|
|
|
if (ret <= 0) goto end;
|
|
|
|
s->state=SSL3_ST_CW_FLUSH;
|
|
|
|
|
|
|
|
/* clear flags */
|
|
|
|
s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
|
|
|
|
if (s->hit)
|
|
|
|
{
|
|
|
|
s->s3->tmp.next_state=SSL_ST_OK;
|
2011-12-25 14:45:40 +00:00
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
if (BIO_dgram_is_sctp(SSL_get_wbio(s)))
|
|
|
|
{
|
|
|
|
s->d1->next_state = s->s3->tmp.next_state;
|
|
|
|
s->s3->tmp.next_state=DTLS1_SCTP_ST_CW_WRITE_SOCK;
|
|
|
|
}
|
|
|
|
#endif
|
2005-04-26 16:02:40 +00:00
|
|
|
if (s->s3->flags & SSL3_FLAGS_DELAY_CLIENT_FINISHED)
|
|
|
|
{
|
|
|
|
s->state=SSL_ST_OK;
|
2011-12-25 14:45:40 +00:00
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
if (BIO_dgram_is_sctp(SSL_get_wbio(s)))
|
|
|
|
{
|
|
|
|
s->d1->next_state = SSL_ST_OK;
|
|
|
|
s->state=DTLS1_SCTP_ST_CW_WRITE_SOCK;
|
|
|
|
}
|
|
|
|
#endif
|
2005-04-26 16:02:40 +00:00
|
|
|
s->s3->flags|=SSL3_FLAGS_POP_BUFFER;
|
|
|
|
s->s3->delay_buf_pop_ret=0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2012-05-09 17:28:41 +00:00
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
/* Change to new shared key of SCTP-Auth,
|
|
|
|
* will be ignored if no SCTP used.
|
|
|
|
*/
|
|
|
|
BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY, 0, NULL);
|
|
|
|
#endif
|
|
|
|
|
2009-12-08 11:38:18 +00:00
|
|
|
#ifndef OPENSSL_NO_TLSEXT
|
|
|
|
/* Allow NewSessionTicket if ticket expected */
|
|
|
|
if (s->tlsext_ticket_expected)
|
|
|
|
s->s3->tmp.next_state=SSL3_ST_CR_SESSION_TICKET_A;
|
|
|
|
else
|
|
|
|
#endif
|
|
|
|
|
2005-04-26 16:02:40 +00:00
|
|
|
s->s3->tmp.next_state=SSL3_ST_CR_FINISHED_A;
|
|
|
|
}
|
|
|
|
s->init_num=0;
|
|
|
|
break;
|
|
|
|
|
2009-12-08 11:38:18 +00:00
|
|
|
#ifndef OPENSSL_NO_TLSEXT
|
|
|
|
case SSL3_ST_CR_SESSION_TICKET_A:
|
|
|
|
case SSL3_ST_CR_SESSION_TICKET_B:
|
|
|
|
ret=ssl3_get_new_session_ticket(s);
|
|
|
|
if (ret <= 0) goto end;
|
|
|
|
s->state=SSL3_ST_CR_FINISHED_A;
|
|
|
|
s->init_num=0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SSL3_ST_CR_CERT_STATUS_A:
|
|
|
|
case SSL3_ST_CR_CERT_STATUS_B:
|
|
|
|
ret=ssl3_get_cert_status(s);
|
|
|
|
if (ret <= 0) goto end;
|
|
|
|
s->state=SSL3_ST_CR_KEY_EXCH_A;
|
|
|
|
s->init_num=0;
|
|
|
|
break;
|
|
|
|
#endif
|
|
|
|
|
2005-04-26 16:02:40 +00:00
|
|
|
case SSL3_ST_CR_FINISHED_A:
|
|
|
|
case SSL3_ST_CR_FINISHED_B:
|
2009-06-05 14:46:49 +00:00
|
|
|
s->d1->change_cipher_spec_ok = 1;
|
2005-04-26 16:02:40 +00:00
|
|
|
ret=ssl3_get_finished(s,SSL3_ST_CR_FINISHED_A,
|
|
|
|
SSL3_ST_CR_FINISHED_B);
|
|
|
|
if (ret <= 0) goto end;
|
2009-05-15 22:58:13 +00:00
|
|
|
dtls1_stop_timer(s);
|
2005-04-26 16:02:40 +00:00
|
|
|
|
|
|
|
if (s->hit)
|
|
|
|
s->state=SSL3_ST_CW_CHANGE_A;
|
|
|
|
else
|
|
|
|
s->state=SSL_ST_OK;
|
2011-12-25 14:45:40 +00:00
|
|
|
|
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
if (BIO_dgram_is_sctp(SSL_get_wbio(s)) &&
|
|
|
|
state == SSL_ST_RENEGOTIATE)
|
|
|
|
{
|
|
|
|
s->d1->next_state=s->state;
|
|
|
|
s->state=DTLS1_SCTP_ST_CW_WRITE_SOCK;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2005-04-26 16:02:40 +00:00
|
|
|
s->init_num=0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SSL3_ST_CW_FLUSH:
|
2010-01-26 19:46:30 +00:00
|
|
|
s->rwstate=SSL_WRITING;
|
|
|
|
if (BIO_flush(s->wbio) <= 0)
|
2005-04-26 16:02:40 +00:00
|
|
|
{
|
2011-12-25 14:45:40 +00:00
|
|
|
/* If the write error was fatal, stop trying */
|
|
|
|
if (!BIO_should_retry(s->wbio))
|
|
|
|
{
|
|
|
|
s->rwstate=SSL_NOTHING;
|
|
|
|
s->state=s->s3->tmp.next_state;
|
|
|
|
}
|
|
|
|
|
2010-01-26 19:46:30 +00:00
|
|
|
ret= -1;
|
|
|
|
goto end;
|
2005-04-26 16:02:40 +00:00
|
|
|
}
|
2010-01-26 19:46:30 +00:00
|
|
|
s->rwstate=SSL_NOTHING;
|
2005-04-26 16:02:40 +00:00
|
|
|
s->state=s->s3->tmp.next_state;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SSL_ST_OK:
|
|
|
|
/* clean a few things up */
|
|
|
|
ssl3_cleanup_key_block(s);
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
if (s->init_buf != NULL)
|
|
|
|
{
|
|
|
|
BUF_MEM_free(s->init_buf);
|
|
|
|
s->init_buf=NULL;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* If we are not 'joining' the last two packets,
|
|
|
|
* remove the buffering now */
|
|
|
|
if (!(s->s3->flags & SSL3_FLAGS_POP_BUFFER))
|
|
|
|
ssl_free_wbio_buffer(s);
|
|
|
|
/* else do it later in ssl3_write */
|
|
|
|
|
|
|
|
s->init_num=0;
|
2010-08-27 12:10:12 +00:00
|
|
|
s->renegotiate=0;
|
2005-04-26 16:02:40 +00:00
|
|
|
s->new_session=0;
|
|
|
|
|
|
|
|
ssl_update_cache(s,SSL_SESS_CACHE_CLIENT);
|
|
|
|
if (s->hit) s->ctx->stats.sess_hit++;
|
|
|
|
|
|
|
|
ret=1;
|
|
|
|
/* s->server=0; */
|
|
|
|
s->handshake_func=dtls1_connect;
|
|
|
|
s->ctx->stats.sess_connect_good++;
|
|
|
|
|
|
|
|
if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_DONE,1);
|
|
|
|
|
|
|
|
/* done with handshaking */
|
|
|
|
s->d1->handshake_read_seq = 0;
|
2009-04-14 14:22:26 +00:00
|
|
|
s->d1->next_handshake_write_seq = 0;
|
2005-04-26 16:02:40 +00:00
|
|
|
goto end;
|
|
|
|
/* break; */
|
|
|
|
|
|
|
|
default:
|
2005-04-26 18:08:00 +00:00
|
|
|
SSLerr(SSL_F_DTLS1_CONNECT,SSL_R_UNKNOWN_STATE);
|
2005-04-26 16:02:40 +00:00
|
|
|
ret= -1;
|
|
|
|
goto end;
|
|
|
|
/* break; */
|
|
|
|
}
|
|
|
|
|
|
|
|
/* did we do anything */
|
|
|
|
if (!s->s3->tmp.reuse_message && !skip)
|
|
|
|
{
|
|
|
|
if (s->debug)
|
|
|
|
{
|
|
|
|
if ((ret=BIO_flush(s->wbio)) <= 0)
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((cb != NULL) && (s->state != state))
|
|
|
|
{
|
|
|
|
new_state=s->state;
|
|
|
|
s->state=state;
|
|
|
|
cb(s,SSL_CB_CONNECT_LOOP,1);
|
|
|
|
s->state=new_state;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
skip=0;
|
|
|
|
}
|
|
|
|
end:
|
|
|
|
s->in_handshake--;
|
2011-12-25 14:45:40 +00:00
|
|
|
|
|
|
|
#ifndef OPENSSL_NO_SCTP
|
|
|
|
/* Notify SCTP BIO socket to leave handshake
|
|
|
|
* mode and allow stream identifier other
|
|
|
|
* than 0. Will be ignored if no SCTP is used.
|
|
|
|
*/
|
|
|
|
BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE, s->in_handshake, NULL);
|
|
|
|
#endif
|
|
|
|
|
2005-04-26 16:02:40 +00:00
|
|
|
if (buf != NULL)
|
|
|
|
BUF_MEM_free(buf);
|
|
|
|
if (cb != NULL)
|
|
|
|
cb(s,SSL_CB_CONNECT_EXIT,ret);
|
|
|
|
return(ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dtls1_get_hello_verify(SSL *s)
|
|
|
|
{
|
|
|
|
int n, al, ok = 0;
|
|
|
|
unsigned char *data;
|
|
|
|
unsigned int cookie_len;
|
|
|
|
|
2013-04-06 14:50:12 +00:00
|
|
|
s->first_packet = 1;
|
2005-04-26 16:02:40 +00:00
|
|
|
n=s->method->ssl_get_message(s,
|
|
|
|
DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A,
|
|
|
|
DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B,
|
|
|
|
-1,
|
|
|
|
s->max_cert_list,
|
|
|
|
&ok);
|
2013-04-06 14:50:12 +00:00
|
|
|
s->first_packet = 0;
|
2005-04-26 16:02:40 +00:00
|
|
|
|
|
|
|
if (!ok) return((int)n);
|
|
|
|
|
|
|
|
if (s->s3->tmp.message_type != DTLS1_MT_HELLO_VERIFY_REQUEST)
|
|
|
|
{
|
|
|
|
s->d1->send_cookie = 0;
|
|
|
|
s->s3->tmp.reuse_message=1;
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
data = (unsigned char *)s->init_msg;
|
2013-04-06 14:50:12 +00:00
|
|
|
#if 0
|
|
|
|
if (s->method->version != DTLS_ANY_VERSION &&
|
|
|
|
((data[0] != (s->version>>8)) || (data[1] != (s->version&0xff))))
|
2005-04-26 16:02:40 +00:00
|
|
|
{
|
2005-04-26 18:08:00 +00:00
|
|
|
SSLerr(SSL_F_DTLS1_GET_HELLO_VERIFY,SSL_R_WRONG_SSL_VERSION);
|
2005-04-26 16:02:40 +00:00
|
|
|
s->version=(s->version&0xff00)|data[1];
|
|
|
|
al = SSL_AD_PROTOCOL_VERSION;
|
|
|
|
goto f_err;
|
|
|
|
}
|
2013-04-06 14:50:12 +00:00
|
|
|
#endif
|
2005-04-26 16:02:40 +00:00
|
|
|
data+=2;
|
|
|
|
|
|
|
|
cookie_len = *(data++);
|
|
|
|
if ( cookie_len > sizeof(s->d1->cookie))
|
|
|
|
{
|
|
|
|
al=SSL_AD_ILLEGAL_PARAMETER;
|
|
|
|
goto f_err;
|
|
|
|
}
|
|
|
|
|
|
|
|
memcpy(s->d1->cookie, data, cookie_len);
|
|
|
|
s->d1->cookie_len = cookie_len;
|
|
|
|
|
|
|
|
s->d1->send_cookie = 1;
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
f_err:
|
|
|
|
ssl3_send_alert(s, SSL3_AL_FATAL, al);
|
|
|
|
return -1;
|
|
|
|
}
|