mirror of https://github.com/getdnsapi/getdns.git
75 lines
3.2 KiB
C
75 lines
3.2 KiB
C
/**
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*
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* /brief functions for DNSSEC
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*
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* The _getdns_get_validation_chain function is called after an answer
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* has been fetched when the dnssec_return_validation_chain extension is set.
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* It fetches DNSKEYs, DSes and their signatures for all RRSIGs found in the
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* answer.
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*/
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/*
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* Copyright (c) 2013, NLnet Labs, Verisign, Inc.
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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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* * Neither the names of the copyright holders nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY 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 Verisign, Inc. 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 DNSSEC_H_
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#define DNSSEC_H_
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#include "getdns/getdns.h"
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#include "config.h"
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#include "gldns/gbuffer.h"
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#include "gldns/rrdef.h"
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#include "types-internal.h"
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/* Do some additional requests to fetch the complete validation chain */
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void _getdns_get_validation_chain(getdns_dns_req *dns_req);
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void _getdns_cancel_validation_chain(getdns_dns_req *dns_req);
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void _getdns_validation_chain_timeout(getdns_dns_req *dns_req);
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void _getdns_ta_notify_dnsreqs(getdns_context *context);
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uint16_t _getdns_parse_ta_file(time_t *ta_mtime, gldns_buffer *gbuf);
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static inline int _dnssec_rdata_to_canonicalize(uint16_t rr_type)
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{
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return rr_type == GLDNS_RR_TYPE_NS || rr_type == GLDNS_RR_TYPE_MD
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|| rr_type == GLDNS_RR_TYPE_MF || rr_type == GLDNS_RR_TYPE_CNAME
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|| rr_type == GLDNS_RR_TYPE_SOA || rr_type == GLDNS_RR_TYPE_MB
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|| rr_type == GLDNS_RR_TYPE_MG || rr_type == GLDNS_RR_TYPE_MR
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|| rr_type == GLDNS_RR_TYPE_PTR || rr_type == GLDNS_RR_TYPE_MINFO
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|| rr_type == GLDNS_RR_TYPE_MX || rr_type == GLDNS_RR_TYPE_RP
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|| rr_type == GLDNS_RR_TYPE_AFSDB || rr_type == GLDNS_RR_TYPE_RT
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|| rr_type == GLDNS_RR_TYPE_SIG || rr_type == GLDNS_RR_TYPE_PX
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|| rr_type == GLDNS_RR_TYPE_NXT || rr_type == GLDNS_RR_TYPE_NAPTR
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|| rr_type == GLDNS_RR_TYPE_KX || rr_type == GLDNS_RR_TYPE_SRV
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|| rr_type == GLDNS_RR_TYPE_DNAME || rr_type == GLDNS_RR_TYPE_RRSIG;
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}
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int _getdns_bogus(getdns_dns_req *dns_req);
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#endif
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/* dnssec.h */
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