1 /* 2 * Copyright (c) 2011 NLNet Labs. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 19 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 21 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 22 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 23 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 */ 26 27 /** 28 * AXFR. 29 * 30 */ 31 32 #ifndef WIRE_AXFR_H 33 #define WIRE_AXFR_H 34 35 #include "config.h" 36 #include "daemon/engine.h" 37 #include "wire/query.h" 38 39 #include <ldns/ldns.h> 40 41 /* NSD values */ 42 #define MAX_COMPRESSION_OFFSET 16383 /* Compression pointers are 14 bit. */ 43 #define AXFR_MAX_MESSAGE_LEN MAX_COMPRESSION_OFFSET 44 45 /** 46 * Handle SOA request. 47 * \param[in] q soa request 48 * \param[in] engine signer engine 49 * \return query_state state of the query 50 * 51 */ 52 extern query_state soa_request(query_type* q, engine_type* engine); 53 54 /** 55 * Do AXFR. 56 * \param[in] q axfr request 57 * \param[in] engine signer engine 58 * \param[in] fallback fallback from ixfr? 59 * \return query_state state of the query 60 * 61 */ 62 extern query_state axfr(query_type* q, engine_type* engine, int fallback); 63 64 /** 65 * Do IXFR. 66 * \param[in] q ixfr request 67 * \param[in] engine signer engine 68 * \return query_state state of the query 69 * 70 */ 71 extern query_state ixfr(query_type* q, engine_type* engine); 72 73 #endif /* WIRE_AXFR_H */ 74