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1b5f757084
Add `dns_delegdb_t`, a qpmulti-based database enabling to lookup a delegation set (`dns_delegset_t`) from a zonecut name (`dns_name_t`). A delegation set object essentially contains an expiration time and a list of delegation (`dns_deleg_t`). Finally, a delegation can be either: - A list of IP addresses (`isc_netaddrlist_t`), for NS-based delegation providing glues or DELEG-based delegation using `server-ipv4=` or `server-ipv6=`; - Or a list of nameserver names, for NS-based delegation without glues, or DELEG-based delegation using `server-name=`; - Or a list of nameserver names, for DELEG-based delegation using `include-delegparam=`. The delegation database API provides lookup by closest zonecut, delegation and delegation set builders as well as insertion of those newly built delegation set, dumping to a `FILE *`, conversion from an NS rdataset to a delegation set, deletion of a specific zonecut or all the sub-tree of a given zonecut. A memory context is internally used inside the delegation database and can be constraint to a maximum size. Once it gets close to its maximum size and a new delegation set is inserted into the database, a reclamation flow is run internally removing the least recently used entries. The delegation set and delegation objects are, once they been inserted into the database, read-only object. Thus, the caller can use them without concurrency or locking concerns, and must detached them once its done with it.
174 lines
3.9 KiB
Meson
174 lines
3.9 KiB
Meson
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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#
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# SPDX-License-Identifier: MPL-2.0
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, you can obtain one at https://mozilla.org/MPL/2.0/.
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#
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# See the COPYRIGHT file distributed with this work for additional
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# information regarding copyright ownership.
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probe_hdr = dtrace_header.process('probes-dns.d')
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probe_src = [probe_hdr, files('xfrin.c')]
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# dns_inc += include_directories('include')
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dns_inc_p += include_directories('.')
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dns_header_depfiles = []
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subdir('rdata')
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dns_gen_headers = []
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dns_header_gen = executable(
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'gen',
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files('gen.c'),
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install: false,
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native: true,
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)
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subdir('include')
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dns_srcset.add(dns_gen_headers)
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dns_srcset.add(when: dnstap_dep, if_true: files('dnstap.c'))
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dns_srcset.add(when: maxminddb_dep, if_true: files('geoip2.c'))
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dns_srcset.add(when: [gssapi_dep, krb5_dep], if_true: files('gssapi_link.c'))
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dns_srcset.add(
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custom_target(
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'dns-code',
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output: 'code.h',
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depend_files: dns_header_depfiles,
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capture: true,
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command: [dns_header_gen, '-s', meson.current_source_dir()],
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),
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)
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if config.get('HAVE_DTRACE')
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dns_probe_objects += static_library(
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'dns-probe-target',
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probe_src,
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build_by_default: false,
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dependencies: urcu_dep,
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implicit_include_directories: false,
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include_directories: [isc_inc, dns_inc, dns_inc_p],
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sources: dns_gen_headers,
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).extract_all_objects(recursive: false)
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endif
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dns_srcset.add(
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when: 'HAVE_DTRACE',
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if_true: [
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custom_target(
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'dns-probe',
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input: [files('probes-dns.d'), dns_probe_objects],
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output: 'dns-probes.o',
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command: [
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dtrace,
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'-G',
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'-o', '@OUTPUT@',
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'-s', '@INPUT@',
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],
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),
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probe_hdr,
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],
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if_false: probe_src,
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)
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dns_srcset.add(
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files(
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'acl.c',
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'adb.c',
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'badcache.c',
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'byaddr.c',
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'cache.c',
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'callbacks.c',
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'catz.c',
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'client.c',
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'clientinfo.c',
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'compress.c',
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'db.c',
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'dbiterator.c',
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'deleg.c',
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'diff.c',
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'dispatch.c',
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'dlz.c',
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'dns64.c',
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'dnssec.c',
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'ds.c',
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'dst_api.c',
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'dst_parse.c',
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'dyndb.c',
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'ecs.c',
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'ede.c',
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'fixedname.c',
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'forward.c',
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'gssapictx.c',
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'hmac_link.c',
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'ipkeylist.c',
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'iptable.c',
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'journal.c',
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'kasp.c',
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'key.c',
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'keydata.c',
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'keymgr.c',
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'keystore.c',
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'keytable.c',
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'lib.c',
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'master.c',
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'masterdump.c',
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'message.c',
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'name.c',
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'nametree.c',
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'ncache.c',
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'notify.c',
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'nsec.c',
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'nsec3.c',
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'nta.c',
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'openssl_link.c',
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'opensslecdsa_link.c',
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'openssleddsa_link.c',
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'opensslrsa_link.c',
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'order.c',
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'peer.c',
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'private.c',
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'qp.c',
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'qpcache.c',
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'qpzone.c',
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'rcode.c',
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'rdata.c',
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'rdatalist.c',
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'rdataset.c',
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'rdatasetiter.c',
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'rdataslab.c',
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'rdatavec.c',
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'remote.c',
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'request.c',
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'resconf.c',
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'resolver.c',
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'result.c',
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'rootns.c',
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'rpz.c',
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'rriterator.c',
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'rrl.c',
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'sdlz.c',
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'skr.c',
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'soa.c',
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'ssu.c',
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'ssu_external.c',
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'stats.c',
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'time.c',
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'tkey.c',
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'transport.c',
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'tsig.c',
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'ttl.c',
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'unreachcache.c',
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'update.c',
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'validator.c',
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'view.c',
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'zone.c',
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'zonefetch.c',
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'zoneverify.c',
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'zt.c',
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),
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)
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