Class Dnsruby::Resolv
In: lib/dnsruby.rb
Parent: Object
Message Update ResolvError EncodeError OtherResolvError ServFail FormErr DecodeError NXRRSet YXDomain NotImp NXDomain VerifyError NotAuth YXRRSet NotZone Refused TsigError CodeMapper Types MetaTypes QTypes Nsec3HashAlgorithms Algorithms OpCode Classes ExtendedRCode Modes RCode Comparable Name RRSet TsigNotSignedResponseError Resolver SingleResolver StandardError TimeoutError ResolvTimeout DNS Dnssec Hosts RR\n[lib/Dnsruby/resource/A.rb\nlib/Dnsruby/resource/AAAA.rb\nlib/Dnsruby/resource/AFSDB.rb\nlib/Dnsruby/resource/CERT.rb\nlib/Dnsruby/resource/DHCID.rb\nlib/Dnsruby/resource/DLV.rb\nlib/Dnsruby/resource/DNSKEY.rb\nlib/Dnsruby/resource/DS.rb\nlib/Dnsruby/resource/HINFO.rb\nlib/Dnsruby/resource/HIP.rb\nlib/Dnsruby/resource/IN.rb\nlib/Dnsruby/resource/IPSECKEY.rb\nlib/Dnsruby/resource/ISDN.rb\nlib/Dnsruby/resource/KX.rb\nlib/Dnsruby/resource/LOC.rb\nlib/Dnsruby/resource/MINFO.rb\nlib/Dnsruby/resource/MX.rb\nlib/Dnsruby/resource/NAPTR.rb\nlib/Dnsruby/resource/NSAP.rb\nlib/Dnsruby/resource/NSEC.rb\nlib/Dnsruby/resource/NSEC3.rb\nlib/Dnsruby/resource/NSEC3PARAM.rb\nlib/Dnsruby/resource/OPT.rb\nlib/Dnsruby/resource/PX.rb\nlib/Dnsruby/resource/RP.rb\nlib/Dnsruby/resource/RRSIG.rb\nlib/Dnsruby/resource/RT.rb\nlib/Dnsruby/resource/SOA.rb\nlib/Dnsruby/resource/SPF.rb\nlib/Dnsruby/resource/SRV.rb\nlib/Dnsruby/resource/SSHFP.rb\nlib/Dnsruby/resource/TKEY.rb\nlib/Dnsruby/resource/TSIG.rb\nlib/Dnsruby/resource/TXT.rb\nlib/Dnsruby/resource/X25.rb\nlib/Dnsruby/resource/domain_name.rb\nlib/Dnsruby/resource/generic.rb\nlib/Dnsruby/resource/resource.rb] Recursor IPv6 IPv4 ZoneTransfer MessageDecoder MessageEncoder Question Header TheLog ValidatorThread PacketSender ResolverRuby Config KeyCache Cache SingleVerifier SelectThread Resolv ZoneReader lib/Dnsruby/DNS.rb lib/Dnsruby/dnssec.rb lib/Dnsruby/Hosts.rb lib/Dnsruby/resource/PX.rb lib/Dnsruby/Recursor.rb lib/Dnsruby/update.rb lib/Dnsruby/ipv6.rb lib/Dnsruby/ipv4.rb lib/Dnsruby/code_mapper.rb lib/Dnsruby/zone_transfer.rb lib/Dnsruby/message.rb lib/Dnsruby/TheLog.rb lib/Dnsruby/resource/resource.rb lib/Dnsruby/validator_thread.rb lib/Dnsruby/PacketSender.rb lib/Dnsruby/Resolver.rb lib/Dnsruby/Config.rb lib/Dnsruby/key_cache.rb lib/Dnsruby/Cache.rb lib/Dnsruby/single_verifier.rb lib/Dnsruby/SingleResolver.rb lib/Dnsruby/select_thread.rb lib/Dnsruby/name.rb lib/dnsruby.rb lib/Dnsruby/resource/TKEY.rb lib/Dnsruby/zone_reader.rb Dnsruby dot/m_61_0.png

The Resolv class can be used to resolve addresses using /etc/hosts and /etc/resolv.conf,

The DNS class may be used to perform more queries. If greater control over the sending of packets is required, then the Resolver or SingleResolver classes may be used.

Methods

Constants

DefaultResolver = self.new   Default Resolver to use for Dnsruby class methods
AddressRegex = /(?:#{IPv4::Regex})|(?:#{IPv6::Regex})/   Address RegExp to use for matching IP addresses

Public Class methods

Iterates over all IP addresses for name

[Source]

     # File lib/dnsruby.rb, line 499
499:     def self.each_address(name, &block)
500:       DefaultResolver.each_address(name, &block)
501:     end

Iterates over all hostnames of address

[Source]

     # File lib/dnsruby.rb, line 514
514:     def self.each_name(address, &proc)
515:       DefaultResolver.each_name(address, &proc)
516:     end

Looks up the first IP address for name

[Source]

     # File lib/dnsruby.rb, line 489
489:     def self.getaddress(name)
490:       DefaultResolver.getaddress(name)
491:     end

Looks up all IP addresses for name

[Source]

     # File lib/dnsruby.rb, line 494
494:     def self.getaddresses(name)
495:       DefaultResolver.getaddresses(name)
496:     end

Looks up the first hostname of address

[Source]

     # File lib/dnsruby.rb, line 504
504:     def self.getname(address)
505:       DefaultResolver.getname(address)
506:     end

Looks up all hostnames of address

[Source]

     # File lib/dnsruby.rb, line 509
509:     def self.getnames(address)
510:       DefaultResolver.getnames(address)
511:     end

Creates a new Resolv using resolvers

[Source]

     # File lib/dnsruby.rb, line 519
519:     def initialize(resolvers=[Hosts.new, DNS.new])
520:       @resolvers = resolvers
521:     end

Public Instance methods

Iterates over all IP addresses for name

[Source]

     # File lib/dnsruby.rb, line 537
537:     def each_address(name)
538:       if AddressRegex =~ name
539:         yield name
540:         return
541:       end
542:       yielded = false
543:       @resolvers.each {|r|
544:         r.each_address(name) {|address|
545:           yield address.to_s
546:           yielded = true
547:         }
548:         return if yielded
549:       }
550:     end

Iterates over all hostnames of address

[Source]

     # File lib/dnsruby.rb, line 566
566:     def each_name(address)
567:       yielded = false
568:       @resolvers.each {|r|
569:         r.each_name(address) {|name|
570:           yield name.to_s
571:           yielded = true
572:         }
573:         return if yielded
574:       }
575:     end

Looks up the first IP address for name

[Source]

     # File lib/dnsruby.rb, line 524
524:     def getaddress(name)
525:       each_address(name) {|address| return address}
526:       raise ResolvError.new("no address for #{name}")
527:     end

Looks up all IP addresses for name

[Source]

     # File lib/dnsruby.rb, line 530
530:     def getaddresses(name)
531:       ret = []
532:       each_address(name) {|address| ret << address}
533:       return ret
534:     end

Looks up the first hostname of address

[Source]

     # File lib/dnsruby.rb, line 553
553:     def getname(address)
554:       each_name(address) {|name| return name}
555:       raise ResolvError.new("no name for #{address}")
556:     end

Looks up all hostnames of address

[Source]

     # File lib/dnsruby.rb, line 559
559:     def getnames(address)
560:       ret = []
561:       each_name(address) {|name| ret << name}
562:       return ret
563:     end

[Validate]