/usr/include/libkres/nsec.h is in knot-resolver 1.0.0~beta3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | /* Copyright (C) 2015 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <libknot/packet/pkt.h>
/**
* Check whether bitmap contains given type.
* @param bm Bitmap.
* @param bm_size Bitmap size.
* @param type RR type to search for.
* @return True if bitmap contains type.
*/
bool kr_nsec_bitmap_contains_type(const uint8_t *bm, uint16_t bm_size, uint16_t type);
/**
* Name error response check (RFC4035 3.1.3.2; RFC4035 5.4, bullet 2).
* @note No RRSIGs are validated.
* @param pkt Packet structure to be processed.
* @param section_id Packet section to be processed.
* @param sname Name to be checked.
* @return 0 or error code.
*/
int kr_nsec_name_error_response_check(const knot_pkt_t *pkt, knot_section_t section_id,
const knot_dname_t *sname);
/**
* No data response check (RFC4035 3.1.3.1; RFC4035 5.4, bullet 1).
* @param pkt Packet structure to be processed.
* @param section_id Packet section to be processed.
* @param sname Name to be checked.
* @param stype Type to be checked.
* @return 0 or error code.
*/
int kr_nsec_no_data_response_check(const knot_pkt_t *pkt, knot_section_t section_id,
const knot_dname_t *sname, uint16_t stype);
/**
* Wildcard answer response check (RFC4035 3.1.3.3).
* @param pkt Packet structure to be processed.
* @param section_id Packet section to be processed.
* @param sname Name to be checked.
* @return 0 or error code.
*/
int kr_nsec_wildcard_answer_response_check(const knot_pkt_t *pkt, knot_section_t section_id,
const knot_dname_t *sname);
/**
* Authenticated denial of existence according to RFC4035 5.4.
* @note No RRSIGs are validated.
* @param pkt Packet structure to be processed.
* @param section_id Packet section to be processed.
* @param sname Queried domain name.
* @param stype Queried type.
* @return 0 or error code.
*/
int kr_nsec_existence_denial(const knot_pkt_t *pkt, knot_section_t section_id,
const knot_dname_t *sname, uint16_t stype);
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