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addrtree.c
(14.51 KB)
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addrtree.h
(6.61 KB)
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edns-subnet.c
(2.3 KB)
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edns-subnet.h
(2.31 KB)
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subnet-whitelist.c
(5.75 KB)
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subnet-whitelist.h
(3.54 KB)
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subnetmod.c
(27.65 KB)
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subnetmod.h
(5.06 KB)
Editing: subnet-whitelist.h
/* * edns-subnet/subnet-whitelist.h - Hosts we actively try to send subnet option * to. * * Copyright (c) 2013, 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 * * Keep track of the white listed servers and domain names for subnet option. * Based on acl_list.c|h */ #ifndef EDNSSUBNET_WHITELIST_H #define EDNSSUBNET_WHITELIST_H #include "util/storage/dnstree.h" struct config_file; struct regional; /** * ecs_whitelist structure */ struct ecs_whitelist { /** regional for allocation */ struct regional* region; /** * Tree of the address spans that are whitelisted. * contents of type addr_tree_node. Each node is an address span * Unbound will append subnet option for. */ rbtree_type upstream; /** * Tree of domain names for which Unbound will append an ECS option. * rbtree of struct name_tree_node. */ rbtree_type dname; }; /** * Create ecs_whitelist structure * @return new structure or NULL on error. */ struct ecs_whitelist* ecs_whitelist_create(void); /** * Delete ecs_whitelist structure. * @param whitelist: to delete. */ void ecs_whitelist_delete(struct ecs_whitelist* whitelist); /** * Process ecs_whitelist config. * @param whitelist: where to store. * @param cfg: config options. * @return 0 on error. */ int ecs_whitelist_apply_cfg(struct ecs_whitelist* whitelist, struct config_file* cfg); /** * See if an address or domain is whitelisted. * @param whitelist: structure for address storage. * @param addr: address to check * @param addrlen: length of addr. * @param qname: dname in query * @param qname_len: length of dname * @param qclass: class in query * @return: true if the address is whitelisted for subnet option. */ int ecs_is_whitelisted(struct ecs_whitelist* whitelist, struct sockaddr_storage* addr, socklen_t addrlen, uint8_t* qname, size_t qname_len, uint16_t qclass); /** * Get memory used by ecs_whitelist structure. * @param whitelist: structure for address storage. * @return bytes in use. */ size_t ecs_whitelist_get_mem(struct ecs_whitelist* whitelist); #endif /* EDNSSUBNET_WHITELIST_H */
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