diff options
Diffstat (limited to 'ssl/d1_meth.c')
-rw-r--r-- | ssl/d1_meth.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/ssl/d1_meth.c b/ssl/d1_meth.c new file mode 100644 index 0000000000..dc4c8ede86 --- /dev/null +++ b/ssl/d1_meth.c @@ -0,0 +1,96 @@ +/* ssl/d1_meth.h */ +/* + * 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 SSL_METHOD *dtls1_get_method(int ver); +static SSL_METHOD *dtls1_get_method(int ver) + { + if (ver == DTLS1_VERSION) + return(DTLSv1_method()); + else + return(NULL); + } + +SSL_METHOD *DTLSv1_method(void) + { + static int init=1; + static SSL_METHOD DTLSv1_data; + + if (init) + { + CRYPTO_w_lock(CRYPTO_LOCK_SSL_METHOD); + + if (init) + { + memcpy((char *)&DTLSv1_data,(char *)dtlsv1_base_method(), + sizeof(SSL_METHOD)); + DTLSv1_data.ssl_connect=dtls1_connect; + DTLSv1_data.ssl_accept=dtls1_accept; + DTLSv1_data.get_ssl_method=dtls1_get_method; + init=0; + } + + CRYPTO_w_unlock(CRYPTO_LOCK_SSL_METHOD); + } + + return(&DTLSv1_data); + } |