1/*
2 * ipsecmod/ipsecmod-whitelist.h - White listed domains for the ipsecmod to
3 * operate on.
4 *
5 * Copyright (c) 2017, NLnet Labs. All rights reserved.
6 *
7 * This software is open source.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
15 *
16 * Redistributions in binary form must reproduce the above copyright notice,
17 * this list of conditions and the following disclaimer in the documentation
18 * and/or other materials provided with the distribution.
19 *
20 * Neither the name of the NLNET LABS nor the names of its contributors may
21 * be used to endorse or promote products derived from this software without
22 * specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
30 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
31 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36/**
37 * \file
38 *
39 * Keep track of the white listed domains for ipsecmod.
40 */
41
42#ifndef IPSECMOD_WHITELIST_H
43#define IPSECMOD_WHITELIST_H
44#include "util/storage/dnstree.h"
45
46struct config_file;
47struct regional;
48
49/**
50 * Process ipsecmod_whitelist config.
51 * @param ie: ipsecmod environment.
52 * @param cfg: config options.
53 * @return 0 on error.
54 */
55int ipsecmod_whitelist_apply_cfg(struct ipsecmod_env* ie,
56	struct config_file* cfg);
57
58/**
59 * Delete the ipsecmod whitelist.
60 * @param whitelist: ipsecmod whitelist.
61 */
62void ipsecmod_whitelist_delete(rbtree_type* whitelist);
63
64/**
65 * See if a domain is whitelisted.
66 * @param ie: ipsecmod environment.
67 * @param dname: domain name to check.
68 * @param dname_len: length of domain name.
69 * @param qclass: query CLASS.
70 * @return: true if the domain is whitelisted for the ipsecmod.
71 */
72int ipsecmod_domain_is_whitelisted(struct ipsecmod_env* ie, uint8_t* dname,
73	size_t dname_len, uint16_t qclass);
74
75/**
76 * Get memory used by ipsecmod whitelist.
77 * @param whitelist: structure for domain storage.
78 * @return bytes in use.
79 */
80size_t ipsecmod_whitelist_get_mem(rbtree_type* whitelist);
81
82#endif /* IPSECMOD_WHITELIST_H */
83