63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
|
/*
|
||
|
|
* util/edns.h - handle base EDNS options.
|
||
|
|
*
|
||
|
|
* Copyright (c) 2018, NLnet Labs. All rights reserved.
|
||
|
|
*
|
||
|
|
* This software is open source.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
*
|
||
|
|
* Redistributions of source code must retain the above copyright notice,
|
||
|
|
* this list of conditions and the following disclaimer.
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
* Neither the name of the NLNET LABS nor the names of its contributors may
|
||
|
|
* be used to endorse or promote products derived from this software without
|
||
|
|
* specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
* "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 COPYRIGHT
|
||
|
|
* HOLDER 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \file
|
||
|
|
*
|
||
|
|
* This file contains functions for base EDNS options.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef UTIL_EDNS_H
|
||
|
|
#define UTIL_EDNS_H
|
||
|
|
|
||
|
|
struct edns_data;
|
||
|
|
struct config_file;
|
||
|
|
struct comm_point;
|
||
|
|
struct regional;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Apply common EDNS options.
|
||
|
|
*
|
||
|
|
* @param edns_out: initialised edns information with outbound edns.
|
||
|
|
* @param edns_in: initialised edns information with received edns.
|
||
|
|
* @param cfg: configuration.
|
||
|
|
* @param c: comm channel.
|
||
|
|
* @param region: the region to allocate the edns options in.
|
||
|
|
*/
|
||
|
|
int apply_edns_options(struct edns_data* edns_out, struct edns_data* edns_in,
|
||
|
|
struct config_file* cfg, struct comm_point* c, struct regional* region);
|
||
|
|
|
||
|
|
#endif
|