| val_neg.h (256281) | val_neg.h (269257) |
|---|---|
| 1/* 2 * validator/val_neg.h - validator aggressive negative caching functions. 3 * 4 * Copyright (c) 2008, NLnet Labs. All rights reserved. 5 * 6 * This software is open source. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 7 unchanged lines hidden (view full) --- 16 * this list of conditions and the following disclaimer in the documentation 17 * and/or other materials provided with the distribution. 18 * 19 * Neither the name of the NLNET LABS nor the names of its contributors may 20 * be used to endorse or promote products derived from this software without 21 * specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 1/* 2 * validator/val_neg.h - validator aggressive negative caching functions. 3 * 4 * Copyright (c) 2008, NLnet Labs. All rights reserved. 5 * 6 * This software is open source. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 7 unchanged lines hidden (view full) --- 16 * this list of conditions and the following disclaimer in the documentation 17 * and/or other materials provided with the distribution. 18 * 19 * Neither the name of the NLNET LABS nor the names of its contributors may 20 * be used to endorse or promote products derived from this software without 21 * specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE 27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. | 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 29 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 30 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 31 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 32 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 34 */ 35 36/** 37 * \file 38 * 39 * This file contains helper functions for the validator module. 40 * The functions help with aggressive negative caching. 41 * This creates new denials of existance, and proofs for absence of types 42 * from cached NSEC records. 43 */ 44 45#ifndef VALIDATOR_VAL_NEG_H 46#define VALIDATOR_VAL_NEG_H 47#include "util/locks.h" 48#include "util/rbtree.h" | 34 */ 35 36/** 37 * \file 38 * 39 * This file contains helper functions for the validator module. 40 * The functions help with aggressive negative caching. 41 * This creates new denials of existance, and proofs for absence of types 42 * from cached NSEC records. 43 */ 44 45#ifndef VALIDATOR_VAL_NEG_H 46#define VALIDATOR_VAL_NEG_H 47#include "util/locks.h" 48#include "util/rbtree.h" |
| 49struct sldns_buffer; |
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| 49struct val_neg_data; 50struct config_file; 51struct reply_info; 52struct rrset_cache; 53struct regional; 54struct query_info; 55struct dns_msg; 56struct ub_packed_rrset_key; --- 167 unchanged lines hidden (view full) --- 224 * @param now: current time for ttl checks. 225 * @return 226 * 0 on error 227 * 0 if no proof of negative 228 * 1 if indeed negative was proven 229 * thus, qname DLV qclass does not exist. 230 */ 231int val_neg_dlvlookup(struct val_neg_cache* neg, uint8_t* qname, size_t len, | 50struct val_neg_data; 51struct config_file; 52struct reply_info; 53struct rrset_cache; 54struct regional; 55struct query_info; 56struct dns_msg; 57struct ub_packed_rrset_key; --- 167 unchanged lines hidden (view full) --- 225 * @param now: current time for ttl checks. 226 * @return 227 * 0 on error 228 * 0 if no proof of negative 229 * 1 if indeed negative was proven 230 * thus, qname DLV qclass does not exist. 231 */ 232int val_neg_dlvlookup(struct val_neg_cache* neg, uint8_t* qname, size_t len, |
| 232 uint16_t qclass, struct rrset_cache* rrset_cache, uint32_t now); | 233 uint16_t qclass, struct rrset_cache* rrset_cache, time_t now); |
| 233 234/** 235 * For the given query, try to get a reply out of the negative cache. 236 * The reply still needs to be validated. 237 * @param neg: negative cache. 238 * @param qinfo: query 239 * @param region: where to allocate reply. 240 * @param rrset_cache: rrset cache. --- 9 unchanged lines hidden (view full) --- 250 * may have a trust-anchor below the optout and thus the optout cannot 251 * be used to create a proof from the negative cache. 252 * @return a reply message if something was found. 253 * This reply may still need validation. 254 * NULL if nothing found (or out of memory). 255 */ 256struct dns_msg* val_neg_getmsg(struct val_neg_cache* neg, 257 struct query_info* qinfo, struct regional* region, | 234 235/** 236 * For the given query, try to get a reply out of the negative cache. 237 * The reply still needs to be validated. 238 * @param neg: negative cache. 239 * @param qinfo: query 240 * @param region: where to allocate reply. 241 * @param rrset_cache: rrset cache. --- 9 unchanged lines hidden (view full) --- 251 * may have a trust-anchor below the optout and thus the optout cannot 252 * be used to create a proof from the negative cache. 253 * @return a reply message if something was found. 254 * This reply may still need validation. 255 * NULL if nothing found (or out of memory). 256 */ 257struct dns_msg* val_neg_getmsg(struct val_neg_cache* neg, 258 struct query_info* qinfo, struct regional* region, |
| 258 struct rrset_cache* rrset_cache, ldns_buffer* buf, uint32_t now, | 259 struct rrset_cache* rrset_cache, struct sldns_buffer* buf, time_t now, |
| 259 int addsoa, uint8_t* topname); 260 261 262/**** functions exposed for unit test ****/ 263/** 264 * Insert data into the data tree of a zone 265 * Does not do locking. 266 * @param neg: negative cache --- 48 unchanged lines hidden --- | 260 int addsoa, uint8_t* topname); 261 262 263/**** functions exposed for unit test ****/ 264/** 265 * Insert data into the data tree of a zone 266 * Does not do locking. 267 * @param neg: negative cache --- 48 unchanged lines hidden --- |