mirror of
https://github.com/monero-project/monero.git
synced 2024-12-15 12:56:33 +02:00
70 lines
2.8 KiB
C
70 lines
2.8 KiB
C
|
/*
|
||
|
|
* iterator/iter_scrub.h - scrubbing, normalization, sanitization of DNS msgs.
|
||
|
|
*
|
||
|
|
* Copyright (c) 2007, 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 has routine(s) for cleaning up incoming DNS messages from
|
||
|
|
* possible useless or malicious junk in it.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef ITERATOR_ITER_SCRUB_H
|
||
|
|
#define ITERATOR_ITER_SCRUB_H
|
||
|
|
struct sldns_buffer;
|
||
|
|
struct msg_parse;
|
||
|
|
struct query_info;
|
||
|
|
struct regional;
|
||
|
|
struct module_env;
|
||
|
|
struct iter_env;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Cleanup the passed dns message.
|
||
|
|
* @param pkt: the packet itself, for resolving name compression pointers.
|
||
|
|
* the packet buffer is unaltered.
|
||
|
|
* @param msg: the parsed packet, this structure is cleaned up.
|
||
|
|
* @param qinfo: the query info that was sent to the server. Checked.
|
||
|
|
* @param zonename: the name of the last delegation point.
|
||
|
|
* Used to determine out of bailiwick information.
|
||
|
|
* @param regional: where to allocate (new) parts of the message.
|
||
|
|
* @param env: module environment with config settings and cache.
|
||
|
|
* @param ie: iterator module environment data.
|
||
|
|
* @return: false if the message is total waste. true if scrubbed with success.
|
||
|
|
*/
|
||
|
|
int scrub_message(struct sldns_buffer* pkt, struct msg_parse* msg,
|
||
|
|
struct query_info* qinfo, uint8_t* zonename, struct regional* regional,
|
||
|
|
struct module_env* env, struct iter_env* ie);
|
||
|
|
|
||
|
|
#endif /* ITERATOR_ITER_SCRUB_H */
|