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c6913eeb76
Add new methods DTLS_*_method() which support both DTLS 1.0 and DTLS 1.2 and pick the highest version the peer supports during negotiation. As with SSL/TLS options can change this behaviour specifically SSL_OP_NO_DTLSv1 and SSL_OP_NO_DTLSv1_2.
96 lines
3.4 KiB
C
96 lines
3.4 KiB
C
/* ssl/d1_meth.h */
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/*
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* DTLS implementation written by Nagendra Modadugu
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* (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
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*/
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/* ====================================================================
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* Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stdio.h>
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#include <openssl/objects.h>
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#include "ssl_locl.h"
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static const SSL_METHOD *dtls1_get_method(int ver);
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static const SSL_METHOD *dtls1_get_method(int ver)
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{
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if (ver == DTLS1_VERSION)
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return(DTLSv1_method());
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else if (ver == DTLS1_2_VERSION)
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return(DTLSv1_2_method());
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else
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return(NULL);
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}
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IMPLEMENT_dtls1_meth_func(DTLS1_VERSION,
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DTLSv1_method,
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dtls1_accept,
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dtls1_connect,
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dtls1_get_method,
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DTLSv1_enc_data)
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IMPLEMENT_dtls1_meth_func(DTLS1_2_VERSION,
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DTLSv1_2_method,
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dtls1_accept,
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dtls1_connect,
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dtls1_get_method,
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DTLSv1_2_enc_data)
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IMPLEMENT_dtls1_meth_func(DTLS_ANY_VERSION,
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DTLS_method,
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dtls1_accept,
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dtls1_connect,
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dtls1_get_method,
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DTLSv1_2_enc_data)
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