/* $OpenBSD: d1_meth.c,v 1.13 2017/01/23 13:36:13 jsing Exp $ */ /* * DTLS implementation written by Nagendra Modadugu * (nagendra@cs.stanford.edu) for the OpenSSL project 2005. */ /* ==================================================================== * Copyright (c) 1999-2005 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). * */ #include <stdio.h> #include <openssl/objects.h> #include "ssl_locl.h" static const SSL_METHOD *dtls1_get_method(int ver); static const SSL_METHOD_INTERNAL DTLSv1_method_internal_data = { .version = DTLS1_VERSION, .min_version = DTLS1_VERSION, .max_version = DTLS1_VERSION, .ssl_new = dtls1_new, .ssl_clear = dtls1_clear, .ssl_free = dtls1_free, .ssl_accept = dtls1_accept, .ssl_connect = dtls1_connect, .ssl_read = ssl3_read, .ssl_peek = ssl3_peek, .ssl_write = ssl3_write, .ssl_shutdown = dtls1_shutdown, .ssl_pending = ssl3_pending, .get_ssl_method = dtls1_get_method, .get_timeout = dtls1_default_timeout, .ssl_version = ssl_undefined_void_function, .ssl_renegotiate = ssl3_renegotiate, .ssl_renegotiate_check = ssl3_renegotiate_check, .ssl_get_message = dtls1_get_message, .ssl_read_bytes = dtls1_read_bytes, .ssl_write_bytes = dtls1_write_app_data_bytes, .ssl3_enc = &DTLSv1_enc_data, }; static const SSL_METHOD DTLSv1_method_data = { .ssl_dispatch_alert = dtls1_dispatch_alert, .num_ciphers = ssl3_num_ciphers, .get_cipher = dtls1_get_cipher, .get_cipher_by_char = ssl3_get_cipher_by_char, .put_cipher_by_char = ssl3_put_cipher_by_char, .internal = &DTLSv1_method_internal_data, }; const SSL_METHOD * DTLSv1_method(void) { return &DTLSv1_method_data; } static const SSL_METHOD * dtls1_get_method(int ver) { if (ver == DTLS1_VERSION) return (DTLSv1_method()); return (NULL); }