mirror of
https://github.com/NLnetLabs/unbound.git
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a2bc93547f
- (de)register inplace callbacks for module id - No unbound-control set_option for ECS options - Deprecated client-subnet-opcode config option - Introduced client-subnet-always-forward config option - Changed max-client-subnet-ipv6 default to 56 (as in RFC) - Removed extern ECS config options - module_restart_next now calls clear on all following modules - Also create ECS module qstate on module_event_pass event git-svn-id: file:///svn/unbound/trunk@4092 be551aaa-1e26-0410-a405-d3ace91eadb9
68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/*
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* edns-subnet/edns-subnet.h - Subnet option related constants
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*
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* Copyright (c) 2013, NLnet Labs. All rights reserved.
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*
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* This software is open source.
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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
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* are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of the NLNET LABS nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* 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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/**
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* \file
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* Subnet option related constants.
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*/
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#include "util/net_help.h"
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#ifndef EDNSSUBNET_EDNSSUBNET_H
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#define EDNSSUBNET_EDNSSUBNET_H
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/** In use by the edns subnet option code, as assigned by IANA */
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#define EDNSSUBNET_ADDRFAM_IP4 1
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#define EDNSSUBNET_ADDRFAM_IP6 2
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/**
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* ECS option
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*/
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struct ecs_data {
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uint16_t subnet_addr_fam;
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uint8_t subnet_source_mask;
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uint8_t subnet_scope_mask;
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uint8_t subnet_addr[INET6_SIZE];
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int subnet_validdata;
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};
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/**
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* copy the first n BITS from src to dst iff both src and dst
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* are large enough, return 0 on succes
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*/
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int
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copy_clear(uint8_t* dst, size_t dstlen, uint8_t* src, size_t srclen, size_t n);
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#endif /* EDNSSUBNET_EDNSSUBNET_H */
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