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62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/* Copyright (c) 2014, Vsevolod Stakhov
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* 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 are met:
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* * 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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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef PACKET_H_
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#define PACKET_H_
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#include <stdbool.h>
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#include <stdint.h>
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#include "dns_private.h"
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struct rdns_compression_entry;
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/**
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* Allocate dns packet suitable to handle up to `namelen` name
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* @param req request
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* @param namelen requested name
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*/
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void rdns_allocate_packet (struct rdns_request* req, unsigned int namelen);
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/**
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* Add basic header to the dns packet
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* @param req
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*/
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void rdns_make_dns_header (struct rdns_request *req, unsigned int qcount);
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/**
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* Add a resource record to the DNS packet
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* @param req request
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* @param name requested name
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* @param type type of resource record
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*/
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bool rdns_add_rr (struct rdns_request *req, const char *name, unsigned int len,
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enum dns_type type, struct rdns_compression_entry **comp);
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/**
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* Add EDNS0 section
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* @param req
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*/
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bool rdns_add_edns0 (struct rdns_request *req);
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#endif /* PACKET_H_ */
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