mirror of
https://github.com/miekg/dns.git
synced 2025-08-11 20:16:58 +02:00
b6a2d1fb5e
Empty or no rdata is allowed for dynamic updates, so test if this works for packing/unpacking. It only fails for TSIG (which is never seen in zone files), SOA (which is not seen like this in dyn. updates) and WKS (just an old record).
1571 lines
39 KiB
Go
1571 lines
39 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Extensions of the original work are copyright (c) 2011 Miek Gieben
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package dns
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import (
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"encoding/base64"
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"fmt"
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"net"
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"strconv"
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"strings"
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"time"
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)
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type (
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Type uint16
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Class uint16
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)
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// Packet formats
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// Wire constants and supported types.
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const (
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// valid RR_Header.Rrtype and Question.qtype
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TypeNone uint16 = 0
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TypeA uint16 = 1
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TypeNS uint16 = 2
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TypeMD uint16 = 3
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TypeMF uint16 = 4
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TypeCNAME uint16 = 5
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TypeSOA uint16 = 6
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TypeMB uint16 = 7
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TypeMG uint16 = 8
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TypeMR uint16 = 9
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TypeNULL uint16 = 10
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TypeWKS uint16 = 11
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TypePTR uint16 = 12
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TypeHINFO uint16 = 13
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TypeMINFO uint16 = 14
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TypeMX uint16 = 15
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TypeTXT uint16 = 16
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TypeRP uint16 = 17
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TypeAFSDB uint16 = 18
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TypeX25 uint16 = 19
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TypeISDN uint16 = 20
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TypeRT uint16 = 21
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TypeSIG uint16 = 24
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TypeKEY uint16 = 25
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TypeAAAA uint16 = 28
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TypeLOC uint16 = 29
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TypeNXT uint16 = 30
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TypeSRV uint16 = 33
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TypeATMA uint16 = 34
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TypeNAPTR uint16 = 35
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TypeKX uint16 = 36
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TypeCERT uint16 = 37
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TypeDNAME uint16 = 39
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TypeOPT uint16 = 41 // EDNS
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TypeDS uint16 = 43
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TypeSSHFP uint16 = 44
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TypeIPSECKEY uint16 = 45
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TypeRRSIG uint16 = 46
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TypeNSEC uint16 = 47
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TypeDNSKEY uint16 = 48
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TypeDHCID uint16 = 49
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TypeNSEC3 uint16 = 50
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TypeNSEC3PARAM uint16 = 51
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TypeTLSA uint16 = 52
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TypeHIP uint16 = 55
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TypeNINFO uint16 = 56
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TypeRKEY uint16 = 57
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TypeTALINK uint16 = 58
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TypeCDS uint16 = 59
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TypeSPF uint16 = 99
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TypeUINFO uint16 = 100
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TypeUID uint16 = 101
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TypeGID uint16 = 102
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TypeUNSPEC uint16 = 103
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TypeNID uint16 = 104
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TypeL32 uint16 = 105
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TypeL64 uint16 = 106
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TypeLP uint16 = 107
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TypeEUI48 uint16 = 108
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TypeEUI64 uint16 = 109
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TypeTKEY uint16 = 249
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TypeTSIG uint16 = 250
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// valid Question.Qtype only
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TypeIXFR uint16 = 251
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TypeAXFR uint16 = 252
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TypeMAILB uint16 = 253
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TypeMAILA uint16 = 254
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TypeANY uint16 = 255
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TypeURI uint16 = 256
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TypeCAA uint16 = 257
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TypeTA uint16 = 32768
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TypeDLV uint16 = 32769
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// valid Question.Qclass
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ClassINET = 1
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ClassCSNET = 2
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ClassCHAOS = 3
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ClassHESIOD = 4
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ClassNONE = 254
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ClassANY = 255
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// Msg.rcode
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RcodeSuccess = 0
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RcodeFormatError = 1
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RcodeServerFailure = 2
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RcodeNameError = 3
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RcodeNotImplemented = 4
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RcodeRefused = 5
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RcodeYXDomain = 6
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RcodeYXRrset = 7
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RcodeNXRrset = 8
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RcodeNotAuth = 9
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RcodeNotZone = 10
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RcodeBadSig = 16 // TSIG
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RcodeBadVers = 16 // EDNS0
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RcodeBadKey = 17
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RcodeBadTime = 18
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RcodeBadMode = 19 // TKEY
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RcodeBadName = 20
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RcodeBadAlg = 21
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RcodeBadTrunc = 22 // TSIG
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// Opcode
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OpcodeQuery = 0
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OpcodeIQuery = 1
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OpcodeStatus = 2
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// There is no 3
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OpcodeNotify = 4
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OpcodeUpdate = 5
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)
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// The wire format for the DNS packet header.
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type Header struct {
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Id uint16
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Bits uint16
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Qdcount, Ancount, Nscount, Arcount uint16
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}
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const (
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// Header.Bits
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_QR = 1 << 15 // query/response (response=1)
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_AA = 1 << 10 // authoritative
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_TC = 1 << 9 // truncated
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_RD = 1 << 8 // recursion desired
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_RA = 1 << 7 // recursion available
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_Z = 1 << 6 // Z
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_AD = 1 << 5 // authticated data
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_CD = 1 << 4 // checking disabled
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_LOC_EQUATOR = 1 << 31 // RFC 1876, Section 2.
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)
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// DNS queries.
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type Question struct {
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Name string `dns:"cdomain-name"` // "cdomain-name" specifies encoding (and may be compressed)
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Qtype uint16
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Qclass uint16
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}
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func (q *Question) String() (s string) {
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// prefix with ; (as in dig)
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if len(q.Name) == 0 {
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s = ";.\t" // root label
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} else {
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s = ";" + q.Name + "\t"
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}
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s += Class(q.Qclass).String() + "\t"
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s += " " + Type(q.Qtype).String()
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return s
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}
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func (q *Question) len() int {
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l := len(q.Name) + 1
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return l + 4
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}
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type ANY struct {
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Hdr RR_Header
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// Does not have any rdata
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}
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func (rr *ANY) Header() *RR_Header { return &rr.Hdr }
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func (rr *ANY) copy() RR { return &ANY{*rr.Hdr.copyHeader()} }
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func (rr *ANY) String() string { return rr.Hdr.String() }
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func (rr *ANY) len() int { return rr.Hdr.len() }
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type CNAME struct {
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Hdr RR_Header
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Target string `dns:"cdomain-name"`
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}
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func (rr *CNAME) Header() *RR_Header { return &rr.Hdr }
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func (rr *CNAME) copy() RR { return &CNAME{*rr.Hdr.copyHeader(), rr.Target} }
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func (rr *CNAME) String() string { return rr.Hdr.String() + rr.Target }
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func (rr *CNAME) len() int { return rr.Hdr.len() + len(rr.Target) + 1 }
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type HINFO struct {
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Hdr RR_Header
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Cpu string
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Os string
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}
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func (rr *HINFO) Header() *RR_Header { return &rr.Hdr }
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func (rr *HINFO) copy() RR { return &HINFO{*rr.Hdr.copyHeader(), rr.Cpu, rr.Os} }
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func (rr *HINFO) String() string { return rr.Hdr.String() + rr.Cpu + " " + rr.Os }
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func (rr *HINFO) len() int { return rr.Hdr.len() + len(rr.Cpu) + len(rr.Os) }
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type MB struct {
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Hdr RR_Header
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Mb string `dns:"cdomain-name"`
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}
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func (rr *MB) Header() *RR_Header { return &rr.Hdr }
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func (rr *MB) copy() RR { return &MB{*rr.Hdr.copyHeader(), rr.Mb} }
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func (rr *MB) String() string { return rr.Hdr.String() + rr.Mb }
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func (rr *MB) len() int { return rr.Hdr.len() + len(rr.Mb) + 1 }
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type MG struct {
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Hdr RR_Header
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Mg string `dns:"cdomain-name"`
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}
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func (rr *MG) Header() *RR_Header { return &rr.Hdr }
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func (rr *MG) copy() RR { return &MG{*rr.Hdr.copyHeader(), rr.Mg} }
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func (rr *MG) String() string {
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return rr.Hdr.String() + rr.Mg
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}
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func (rr *MG) len() int {
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l := len(rr.Mg) + 1
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return rr.Hdr.len() + l
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}
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type MINFO struct {
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Hdr RR_Header
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Rmail string `dns:"cdomain-name"`
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Email string `dns:"cdomain-name"`
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}
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func (rr *MINFO) Header() *RR_Header { return &rr.Hdr }
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func (rr *MINFO) copy() RR { return &MINFO{*rr.Hdr.copyHeader(), rr.Rmail, rr.Email} }
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func (rr *MINFO) String() string {
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return rr.Hdr.String() + rr.Rmail + " " + rr.Email
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}
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func (rr *MINFO) len() int {
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l := len(rr.Rmail) + 1
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n := len(rr.Email) + 1
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return rr.Hdr.len() + l + n
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}
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type MR struct {
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Hdr RR_Header
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Mr string `dns:"cdomain-name"`
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}
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func (rr *MR) Header() *RR_Header { return &rr.Hdr }
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func (rr *MR) copy() RR { return &MR{*rr.Hdr.copyHeader(), rr.Mr} }
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func (rr *MR) String() string {
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return rr.Hdr.String() + rr.Mr
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}
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func (rr *MR) len() int {
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l := len(rr.Mr) + 1
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return rr.Hdr.len() + l
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}
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type MF struct {
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Hdr RR_Header
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Mf string `dns:"cdomain-name"`
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}
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func (rr *MF) Header() *RR_Header { return &rr.Hdr }
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func (rr *MF) copy() RR { return &MF{*rr.Hdr.copyHeader(), rr.Mf} }
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func (rr *MF) String() string {
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return rr.Hdr.String() + " " + rr.Mf
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}
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func (rr *MF) len() int {
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return rr.Hdr.len() + len(rr.Mf) + 1
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}
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type MD struct {
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Hdr RR_Header
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Md string `dns:"cdomain-name"`
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}
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func (rr *MD) Header() *RR_Header { return &rr.Hdr }
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func (rr *MD) copy() RR { return &MD{*rr.Hdr.copyHeader(), rr.Md} }
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func (rr *MD) String() string {
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return rr.Hdr.String() + " " + rr.Md
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}
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func (rr *MD) len() int {
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return rr.Hdr.len() + len(rr.Md) + 1
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}
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type MX struct {
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Hdr RR_Header
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Preference uint16
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Mx string `dns:"cdomain-name"`
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}
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func (rr *MX) Header() *RR_Header { return &rr.Hdr }
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func (rr *MX) copy() RR { return &MX{*rr.Hdr.copyHeader(), rr.Preference, rr.Mx} }
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func (rr *MX) String() string {
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return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + " " + rr.Mx
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}
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func (rr *MX) len() int {
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l := len(rr.Mx) + 1
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return rr.Hdr.len() + l + 2
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}
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type AFSDB struct {
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Hdr RR_Header
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Subtype uint16
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Hostname string `dns:"cdomain-name"`
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}
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func (rr *AFSDB) Header() *RR_Header { return &rr.Hdr }
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func (rr *AFSDB) copy() RR { return &AFSDB{*rr.Hdr.copyHeader(), rr.Subtype, rr.Hostname} }
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func (rr *AFSDB) String() string {
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return rr.Hdr.String() + strconv.Itoa(int(rr.Subtype)) + " " + rr.Hostname
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}
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func (rr *AFSDB) len() int {
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l := len(rr.Hostname) + 1
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return rr.Hdr.len() + l + 2
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}
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type X25 struct {
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Hdr RR_Header
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PSDNAddress string
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}
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func (rr *X25) Header() *RR_Header { return &rr.Hdr }
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func (rr *X25) copy() RR { return &X25{*rr.Hdr.copyHeader(), rr.PSDNAddress} }
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func (rr *X25) String() string {
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return rr.Hdr.String() + rr.PSDNAddress
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}
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func (rr *X25) len() int {
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return rr.Hdr.len() + len(rr.PSDNAddress)
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}
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type RT struct {
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Hdr RR_Header
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Preference uint16
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Host string `dns:"cdomain-name"`
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}
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func (rr *RT) Header() *RR_Header { return &rr.Hdr }
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func (rr *RT) copy() RR { return &RT{*rr.Hdr.copyHeader(), rr.Preference, rr.Host} }
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func (rr *RT) String() string {
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return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + " " + rr.Host
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}
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func (rr *RT) len() int {
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l := len(rr.Host) + 1
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return rr.Hdr.len() + l + 2
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}
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type NS struct {
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Hdr RR_Header
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Ns string `dns:"cdomain-name"`
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}
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func (rr *NS) Header() *RR_Header { return &rr.Hdr }
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func (rr *NS) copy() RR { return &NS{*rr.Hdr.copyHeader(), rr.Ns} }
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func (rr *NS) String() string {
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return rr.Hdr.String() + rr.Ns
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}
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func (rr *NS) len() int {
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l := len(rr.Ns) + 1
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return rr.Hdr.len() + l
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}
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type PTR struct {
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Hdr RR_Header
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Ptr string `dns:"cdomain-name"`
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}
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func (rr *PTR) Header() *RR_Header { return &rr.Hdr }
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func (rr *PTR) copy() RR { return &PTR{*rr.Hdr.copyHeader(), rr.Ptr} }
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func (rr *PTR) String() string {
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return rr.Hdr.String() + rr.Ptr
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}
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func (rr *PTR) len() int {
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l := len(rr.Ptr) + 1
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return rr.Hdr.len() + l
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}
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type RP struct {
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Hdr RR_Header
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Mbox string `dns:"domain-name"`
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Txt string `dns:"domain-name"`
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}
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func (rr *RP) Header() *RR_Header { return &rr.Hdr }
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func (rr *RP) copy() RR { return &RP{*rr.Hdr.copyHeader(), rr.Mbox, rr.Txt} }
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func (rr *RP) String() string {
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return rr.Hdr.String() + rr.Mbox + " " + rr.Txt
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}
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func (rr *RP) len() int {
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return rr.Hdr.len() + len(rr.Mbox) + 1 + len(rr.Txt) + 1
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}
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type SOA struct {
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Hdr RR_Header
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Ns string `dns:"cdomain-name"`
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Mbox string `dns:"cdomain-name"`
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Serial uint32
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Refresh uint32
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Retry uint32
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Expire uint32
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Minttl uint32
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}
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func (rr *SOA) Header() *RR_Header { return &rr.Hdr }
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func (rr *SOA) copy() RR {
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return &SOA{*rr.Hdr.copyHeader(), rr.Ns, rr.Mbox, rr.Serial, rr.Refresh, rr.Retry, rr.Expire, rr.Minttl}
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}
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func (rr *SOA) String() string {
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return rr.Hdr.String() + rr.Ns + " " + rr.Mbox +
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" " + strconv.FormatInt(int64(rr.Serial), 10) +
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" " + strconv.FormatInt(int64(rr.Refresh), 10) +
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" " + strconv.FormatInt(int64(rr.Retry), 10) +
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" " + strconv.FormatInt(int64(rr.Expire), 10) +
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" " + strconv.FormatInt(int64(rr.Minttl), 10)
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}
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func (rr *SOA) len() int {
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l := len(rr.Ns) + 1
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n := len(rr.Mbox) + 1
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return rr.Hdr.len() + l + n + 20
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}
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type TXT struct {
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Hdr RR_Header
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Txt []string `dns:"txt"`
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}
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func (rr *TXT) Header() *RR_Header { return &rr.Hdr }
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func (rr *TXT) copy() RR { return &TXT{*rr.Hdr.copyHeader(), rr.Txt} } // this doesn't really copy Txt does it? TODO(mg)
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func (rr *TXT) String() string {
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s := rr.Hdr.String()
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for i, s1 := range rr.Txt {
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if i > 0 {
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s += " " + strconv.QuoteToASCII(s1)
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} else {
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s += strconv.QuoteToASCII(s1)
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}
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}
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return s
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}
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func (rr *TXT) len() int {
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l := rr.Hdr.len()
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for _, t := range rr.Txt {
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l += len(t) + 1
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}
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return l
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}
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type SPF struct {
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Hdr RR_Header
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Txt []string `dns:"txt"`
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}
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func (rr *SPF) Header() *RR_Header { return &rr.Hdr }
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func (rr *SPF) copy() RR { return &SPF{*rr.Hdr.copyHeader(), rr.Txt} }
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func (rr *SPF) String() string {
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s := rr.Hdr.String()
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for i, s1 := range rr.Txt {
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if i > 0 {
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s += " " + strconv.QuoteToASCII(s1)
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} else {
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s += strconv.QuoteToASCII(s1)
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}
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}
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return s
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}
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func (rr *SPF) len() int {
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l := rr.Hdr.len()
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for _, t := range rr.Txt {
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l += len(t)
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}
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|
return l
|
|
}
|
|
|
|
type SRV struct {
|
|
Hdr RR_Header
|
|
Priority uint16
|
|
Weight uint16
|
|
Port uint16
|
|
Target string `dns:"domain-name"`
|
|
}
|
|
|
|
func (rr *SRV) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *SRV) copy() RR {
|
|
return &SRV{*rr.Hdr.copyHeader(), rr.Priority, rr.Weight, rr.Port, rr.Target}
|
|
}
|
|
|
|
func (rr *SRV) String() string {
|
|
return rr.Hdr.String() +
|
|
strconv.Itoa(int(rr.Priority)) + " " +
|
|
strconv.Itoa(int(rr.Weight)) + " " +
|
|
strconv.Itoa(int(rr.Port)) + " " + rr.Target
|
|
}
|
|
|
|
func (rr *SRV) len() int {
|
|
l := len(rr.Target) + 1
|
|
return rr.Hdr.len() + l + 6
|
|
}
|
|
|
|
type NAPTR struct {
|
|
Hdr RR_Header
|
|
Order uint16
|
|
Preference uint16
|
|
Flags string
|
|
Service string
|
|
Regexp string
|
|
Replacement string `dns:"domain-name"`
|
|
}
|
|
|
|
func (rr *NAPTR) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *NAPTR) copy() RR {
|
|
return &NAPTR{*rr.Hdr.copyHeader(), rr.Order, rr.Preference, rr.Flags, rr.Service, rr.Regexp, rr.Replacement}
|
|
}
|
|
|
|
func (rr *NAPTR) String() string {
|
|
return rr.Hdr.String() +
|
|
strconv.Itoa(int(rr.Order)) + " " +
|
|
strconv.Itoa(int(rr.Preference)) + " " +
|
|
"\"" + rr.Flags + "\" " +
|
|
"\"" + rr.Service + "\" " +
|
|
"\"" + rr.Regexp + "\" " +
|
|
rr.Replacement
|
|
}
|
|
|
|
func (rr *NAPTR) len() int {
|
|
return rr.Hdr.len() + 4 + len(rr.Flags) + len(rr.Service) +
|
|
len(rr.Regexp) + len(rr.Replacement) + 1
|
|
}
|
|
|
|
// See RFC 4398.
|
|
type CERT struct {
|
|
Hdr RR_Header
|
|
Type uint16
|
|
KeyTag uint16
|
|
Algorithm uint8
|
|
Certificate string `dns:"base64"`
|
|
}
|
|
|
|
func (rr *CERT) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *CERT) copy() RR {
|
|
return &CERT{*rr.Hdr.copyHeader(), rr.Type, rr.KeyTag, rr.Algorithm, rr.Certificate}
|
|
}
|
|
|
|
func (rr *CERT) String() string {
|
|
return rr.Hdr.String() + strconv.Itoa(int(rr.Type)) +
|
|
" " + strconv.Itoa(int(rr.KeyTag)) +
|
|
" " + strconv.Itoa(int(rr.Algorithm)) +
|
|
" " + rr.Certificate
|
|
}
|
|
|
|
func (rr *CERT) len() int {
|
|
return rr.Hdr.len() + 5 +
|
|
base64.StdEncoding.DecodedLen(len(rr.Certificate))
|
|
}
|
|
|
|
// See RFC 2672.
|
|
type DNAME struct {
|
|
Hdr RR_Header
|
|
Target string `dns:"domain-name"`
|
|
}
|
|
|
|
func (rr *DNAME) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *DNAME) copy() RR { return &DNAME{*rr.Hdr.copyHeader(), rr.Target} }
|
|
|
|
func (rr *DNAME) String() string {
|
|
return rr.Hdr.String() + rr.Target
|
|
}
|
|
|
|
func (rr *DNAME) len() int {
|
|
l := len(rr.Target) + 1
|
|
return rr.Hdr.len() + l
|
|
}
|
|
|
|
type A struct {
|
|
Hdr RR_Header
|
|
A net.IP `dns:"a"`
|
|
}
|
|
|
|
func (rr *A) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *A) copy() RR { return &A{*rr.Hdr.copyHeader(), rr.A} }
|
|
func (rr *A) len() int { return rr.Hdr.len() + net.IPv4len }
|
|
|
|
func (rr *A) String() string {
|
|
if rr.A == nil {
|
|
return rr.Hdr.String()
|
|
}
|
|
return rr.Hdr.String() + rr.A.String()
|
|
}
|
|
|
|
type AAAA struct {
|
|
Hdr RR_Header
|
|
AAAA net.IP `dns:"aaaa"`
|
|
}
|
|
|
|
func (rr *AAAA) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *AAAA) copy() RR { return &AAAA{*rr.Hdr.copyHeader(), rr.AAAA} }
|
|
func (rr *AAAA) len() int { return rr.Hdr.len() + net.IPv6len }
|
|
|
|
func (rr *AAAA) String() string {
|
|
if rr.AAAA == nil {
|
|
return rr.Hdr.String()
|
|
}
|
|
return rr.Hdr.String() + rr.AAAA.String()
|
|
}
|
|
|
|
type LOC struct {
|
|
Hdr RR_Header
|
|
Version uint8
|
|
Size uint8
|
|
HorizPre uint8
|
|
VertPre uint8
|
|
Latitude uint32
|
|
Longitude uint32
|
|
Altitude uint32
|
|
}
|
|
|
|
func (rr *LOC) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *LOC) copy() RR {
|
|
return &LOC{*rr.Hdr.copyHeader(), rr.Version, rr.Size, rr.HorizPre, rr.VertPre, rr.Latitude, rr.Longitude, rr.Altitude}
|
|
}
|
|
|
|
func (rr *LOC) String() string {
|
|
s := rr.Hdr.String()
|
|
// Copied from ldns
|
|
// Latitude
|
|
lat := rr.Latitude
|
|
north := "N"
|
|
if lat > _LOC_EQUATOR {
|
|
lat = lat - _LOC_EQUATOR
|
|
} else {
|
|
north = "S"
|
|
lat = _LOC_EQUATOR - lat
|
|
}
|
|
h := lat / (1000 * 60 * 60)
|
|
lat = lat % (1000 * 60 * 60)
|
|
m := lat / (1000 * 60)
|
|
lat = lat % (1000 * 60)
|
|
s += fmt.Sprintf("%02d %02d %0.3f %s ", h, m, (float32(lat) / 1000), north)
|
|
// Longitude
|
|
lon := rr.Longitude
|
|
east := "E"
|
|
if lon > _LOC_EQUATOR {
|
|
lon = lon - _LOC_EQUATOR
|
|
} else {
|
|
east = "W"
|
|
lon = _LOC_EQUATOR - lon
|
|
}
|
|
h = lon / (1000 * 60 * 60)
|
|
lon = lon % (1000 * 60 * 60)
|
|
m = lon / (1000 * 60)
|
|
lon = lon % (1000 * 60)
|
|
s += fmt.Sprintf("%02d %02d %0.3f %s ", h, m, (float32(lon) / 1000), east)
|
|
|
|
s1 := rr.Altitude / 100.00
|
|
s1 -= 100000
|
|
if rr.Altitude%100 == 0 {
|
|
s += fmt.Sprintf("%.2fm ", float32(s1))
|
|
} else {
|
|
s += fmt.Sprintf("%.0fm ", float32(s1))
|
|
}
|
|
s += cmToString((rr.Size&0xf0)>>4, rr.Size&0x0f) + "m "
|
|
s += cmToString((rr.HorizPre&0xf0)>>4, rr.HorizPre&0x0f) + "m "
|
|
s += cmToString((rr.VertPre&0xf0)>>4, rr.VertPre&0x0f) + "m"
|
|
return s
|
|
}
|
|
|
|
func (rr *LOC) len() int {
|
|
return rr.Hdr.len() + 4 + 12
|
|
}
|
|
|
|
type RRSIG struct {
|
|
Hdr RR_Header
|
|
TypeCovered uint16
|
|
Algorithm uint8
|
|
Labels uint8
|
|
OrigTtl uint32
|
|
Expiration uint32
|
|
Inception uint32
|
|
KeyTag uint16
|
|
SignerName string `dns:"domain-name"`
|
|
Signature string `dns:"base64"`
|
|
}
|
|
|
|
func (rr *RRSIG) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *RRSIG) copy() RR {
|
|
return &RRSIG{*rr.Hdr.copyHeader(), rr.TypeCovered, rr.Algorithm, rr.Labels, rr.OrigTtl, rr.Expiration, rr.Inception, rr.KeyTag, rr.SignerName, rr.Signature}
|
|
}
|
|
|
|
func (rr *RRSIG) String() string {
|
|
s := rr.Hdr.String()
|
|
s += Type(rr.TypeCovered).String()
|
|
s += " " + strconv.Itoa(int(rr.Algorithm)) +
|
|
" " + strconv.Itoa(int(rr.Labels)) +
|
|
" " + strconv.FormatInt(int64(rr.OrigTtl), 10) +
|
|
" " + TimeToString(rr.Expiration) +
|
|
" " + TimeToString(rr.Inception) +
|
|
" " + strconv.Itoa(int(rr.KeyTag)) +
|
|
" " + rr.SignerName +
|
|
" " + rr.Signature
|
|
return s
|
|
}
|
|
|
|
func (rr *RRSIG) len() int {
|
|
return rr.Hdr.len() + len(rr.SignerName) + 1 +
|
|
base64.StdEncoding.DecodedLen(len(rr.Signature)) + 18
|
|
}
|
|
|
|
type NSEC struct {
|
|
Hdr RR_Header
|
|
NextDomain string `dns:"domain-name"`
|
|
TypeBitMap []uint16 `dns:"nsec"`
|
|
}
|
|
|
|
func (rr *NSEC) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *NSEC) copy() RR { return &NSEC{*rr.Hdr.copyHeader(), rr.NextDomain, rr.TypeBitMap} }
|
|
|
|
func (rr *NSEC) String() string {
|
|
s := rr.Hdr.String() + rr.NextDomain
|
|
for i := 0; i < len(rr.TypeBitMap); i++ {
|
|
s += " " + Type(rr.TypeBitMap[i]).String()
|
|
}
|
|
return s
|
|
}
|
|
|
|
func (rr *NSEC) len() int {
|
|
l := rr.Hdr.len() + len(rr.NextDomain) + 1
|
|
lastwindow := uint32(2 ^ 32 + 1)
|
|
for _, t := range rr.TypeBitMap {
|
|
window := t / 256
|
|
if uint32(window) != lastwindow {
|
|
l += 1 + 32
|
|
}
|
|
lastwindow = uint32(window)
|
|
}
|
|
return l
|
|
}
|
|
|
|
type DS struct {
|
|
Hdr RR_Header
|
|
KeyTag uint16
|
|
Algorithm uint8
|
|
DigestType uint8
|
|
Digest string `dns:"hex"`
|
|
}
|
|
|
|
func (rr *DS) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *DS) copy() RR {
|
|
return &DS{*rr.Hdr.copyHeader(), rr.KeyTag, rr.Algorithm, rr.DigestType, rr.Digest}
|
|
}
|
|
|
|
func (rr *DS) String() string {
|
|
return rr.Hdr.String() + strconv.Itoa(int(rr.KeyTag)) +
|
|
" " + strconv.Itoa(int(rr.Algorithm)) +
|
|
" " + strconv.Itoa(int(rr.DigestType)) +
|
|
" " + strings.ToUpper(rr.Digest)
|
|
}
|
|
|
|
func (rr *DS) len() int {
|
|
return rr.Hdr.len() + 4 + len(rr.Digest)/2
|
|
}
|
|
|
|
type CDS struct {
|
|
Hdr RR_Header
|
|
KeyTag uint16
|
|
Algorithm uint8
|
|
DigestType uint8
|
|
Digest string `dns:"hex"`
|
|
}
|
|
|
|
func (rr *CDS) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *CDS) copy() RR {
|
|
return &CDS{*rr.Hdr.copyHeader(), rr.KeyTag, rr.Algorithm, rr.DigestType, rr.Digest}
|
|
}
|
|
|
|
func (rr *CDS) String() string {
|
|
return rr.Hdr.String() + strconv.Itoa(int(rr.KeyTag)) +
|
|
" " + strconv.Itoa(int(rr.Algorithm)) +
|
|
" " + strconv.Itoa(int(rr.DigestType)) +
|
|
" " + strings.ToUpper(rr.Digest)
|
|
}
|
|
|
|
func (rr *CDS) len() int {
|
|
return rr.Hdr.len() + 4 + len(rr.Digest)/2
|
|
}
|
|
|
|
type DLV struct {
|
|
Hdr RR_Header
|
|
KeyTag uint16
|
|
Algorithm uint8
|
|
DigestType uint8
|
|
Digest string `dns:"hex"`
|
|
}
|
|
|
|
func (rr *DLV) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *DLV) copy() RR {
|
|
return &DLV{*rr.Hdr.copyHeader(), rr.KeyTag, rr.Algorithm, rr.DigestType, rr.Digest}
|
|
}
|
|
|
|
func (rr *DLV) String() string {
|
|
return rr.Hdr.String() + strconv.Itoa(int(rr.KeyTag)) +
|
|
" " + strconv.Itoa(int(rr.Algorithm)) +
|
|
" " + strconv.Itoa(int(rr.DigestType)) +
|
|
" " + strings.ToUpper(rr.Digest)
|
|
}
|
|
|
|
func (rr *DLV) len() int {
|
|
return rr.Hdr.len() + 4 + len(rr.Digest)/2
|
|
}
|
|
|
|
type KX struct {
|
|
Hdr RR_Header
|
|
Preference uint16
|
|
Exchanger string `dns:"domain-name"`
|
|
}
|
|
|
|
func (rr *KX) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *KX) copy() RR { return &KX{*rr.Hdr.copyHeader(), rr.Preference, rr.Exchanger} }
|
|
|
|
func (rr *KX) String() string {
|
|
return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) +
|
|
" " + rr.Exchanger
|
|
}
|
|
|
|
func (rr *KX) len() int {
|
|
return rr.Hdr.len() + 2 + len(rr.Exchanger)
|
|
}
|
|
|
|
type TA struct {
|
|
Hdr RR_Header
|
|
KeyTag uint16
|
|
Algorithm uint8
|
|
DigestType uint8
|
|
Digest string `dns:"hex"`
|
|
}
|
|
|
|
func (rr *TA) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *TA) copy() RR {
|
|
return &TA{*rr.Hdr.copyHeader(), rr.KeyTag, rr.Algorithm, rr.DigestType, rr.Digest}
|
|
}
|
|
|
|
func (rr *TA) String() string {
|
|
return rr.Hdr.String() + strconv.Itoa(int(rr.KeyTag)) +
|
|
" " + strconv.Itoa(int(rr.Algorithm)) +
|
|
" " + strconv.Itoa(int(rr.DigestType)) +
|
|
" " + strings.ToUpper(rr.Digest)
|
|
}
|
|
|
|
func (rr *TA) len() int {
|
|
return rr.Hdr.len() + 4 + len(rr.Digest)/2
|
|
}
|
|
|
|
type TALINK struct {
|
|
Hdr RR_Header
|
|
PreviousName string `dns:"domain-name"`
|
|
NextName string `dns:"domain-name"`
|
|
}
|
|
|
|
func (rr *TALINK) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *TALINK) copy() RR { return &TALINK{*rr.Hdr.copyHeader(), rr.PreviousName, rr.NextName} }
|
|
|
|
func (rr *TALINK) String() string {
|
|
return rr.Hdr.String() +
|
|
" " + rr.PreviousName + " " + rr.NextName
|
|
}
|
|
|
|
func (rr *TALINK) len() int {
|
|
return rr.Hdr.len() + len(rr.PreviousName) + len(rr.NextName) + 2
|
|
}
|
|
|
|
type SSHFP struct {
|
|
Hdr RR_Header
|
|
Algorithm uint8
|
|
Type uint8
|
|
FingerPrint string `dns:"hex"`
|
|
}
|
|
|
|
func (rr *SSHFP) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *SSHFP) copy() RR {
|
|
return &SSHFP{*rr.Hdr.copyHeader(), rr.Algorithm, rr.Type, rr.FingerPrint}
|
|
}
|
|
|
|
func (rr *SSHFP) String() string {
|
|
return rr.Hdr.String() + strconv.Itoa(int(rr.Algorithm)) +
|
|
" " + strconv.Itoa(int(rr.Type)) +
|
|
" " + strings.ToUpper(rr.FingerPrint)
|
|
}
|
|
|
|
func (rr *SSHFP) len() int {
|
|
return rr.Hdr.len() + 2 + len(rr.FingerPrint)/2
|
|
}
|
|
|
|
type IPSECKEY struct {
|
|
Hdr RR_Header
|
|
Precedence uint8
|
|
GatewayType uint8
|
|
Algorithm uint8
|
|
Gateway string `dns:"ipseckey"`
|
|
PublicKey string `dns:"base64"`
|
|
}
|
|
|
|
func (rr *IPSECKEY) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *IPSECKEY) copy() RR {
|
|
return &IPSECKEY{*rr.Hdr.copyHeader(), rr.Precedence, rr.GatewayType, rr.Algorithm, rr.Gateway, rr.PublicKey}
|
|
}
|
|
|
|
func (rr *IPSECKEY) String() string {
|
|
return rr.Hdr.String() + strconv.Itoa(int(rr.Precedence)) +
|
|
" " + strconv.Itoa(int(rr.GatewayType)) +
|
|
" " + strconv.Itoa(int(rr.Algorithm)) +
|
|
" " + rr.Gateway +
|
|
" " + rr.PublicKey
|
|
}
|
|
|
|
func (rr *IPSECKEY) len() int {
|
|
return rr.Hdr.len() + 3 + len(rr.Gateway) + 1 +
|
|
base64.StdEncoding.DecodedLen(len(rr.PublicKey))
|
|
}
|
|
|
|
type DNSKEY struct {
|
|
Hdr RR_Header
|
|
Flags uint16
|
|
Protocol uint8
|
|
Algorithm uint8
|
|
PublicKey string `dns:"base64"`
|
|
}
|
|
|
|
func (rr *DNSKEY) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *DNSKEY) copy() RR {
|
|
return &DNSKEY{*rr.Hdr.copyHeader(), rr.Flags, rr.Protocol, rr.Algorithm, rr.PublicKey}
|
|
}
|
|
|
|
func (rr *DNSKEY) String() string {
|
|
return rr.Hdr.String() + strconv.Itoa(int(rr.Flags)) +
|
|
" " + strconv.Itoa(int(rr.Protocol)) +
|
|
" " + strconv.Itoa(int(rr.Algorithm)) +
|
|
" " + rr.PublicKey
|
|
}
|
|
|
|
func (rr *DNSKEY) len() int {
|
|
return rr.Hdr.len() + 4 +
|
|
base64.StdEncoding.DecodedLen(len(rr.PublicKey))
|
|
}
|
|
|
|
type RKEY struct {
|
|
Hdr RR_Header
|
|
Flags uint16
|
|
Protocol uint8
|
|
Algorithm uint8
|
|
PublicKey string `dns:"base64"`
|
|
}
|
|
|
|
func (rr *RKEY) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *RKEY) copy() RR {
|
|
return &RKEY{*rr.Hdr.copyHeader(), rr.Flags, rr.Protocol, rr.Algorithm, rr.PublicKey}
|
|
}
|
|
|
|
func (rr *RKEY) String() string {
|
|
return rr.Hdr.String() + strconv.Itoa(int(rr.Flags)) +
|
|
" " + strconv.Itoa(int(rr.Protocol)) +
|
|
" " + strconv.Itoa(int(rr.Algorithm)) +
|
|
" " + rr.PublicKey
|
|
}
|
|
|
|
func (rr *RKEY) len() int {
|
|
return rr.Hdr.len() + 4 +
|
|
base64.StdEncoding.DecodedLen(len(rr.PublicKey))
|
|
}
|
|
|
|
type NSEC3 struct {
|
|
Hdr RR_Header
|
|
Hash uint8
|
|
Flags uint8
|
|
Iterations uint16
|
|
SaltLength uint8
|
|
Salt string `dns:"size-hex"`
|
|
HashLength uint8
|
|
NextDomain string `dns:"size-base32"`
|
|
TypeBitMap []uint16 `dns:"nsec"`
|
|
}
|
|
|
|
func (rr *NSEC3) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *NSEC3) copy() RR {
|
|
return &NSEC3{*rr.Hdr.copyHeader(), rr.Hash, rr.Flags, rr.Iterations, rr.SaltLength, rr.Salt, rr.HashLength, rr.NextDomain, rr.TypeBitMap}
|
|
}
|
|
|
|
func (rr *NSEC3) String() string {
|
|
s := rr.Hdr.String()
|
|
s += strconv.Itoa(int(rr.Hash)) +
|
|
" " + strconv.Itoa(int(rr.Flags)) +
|
|
" " + strconv.Itoa(int(rr.Iterations)) +
|
|
" " + saltToString(rr.Salt) +
|
|
" " + rr.NextDomain
|
|
for i := 0; i < len(rr.TypeBitMap); i++ {
|
|
s += " " + Type(rr.TypeBitMap[i]).String()
|
|
}
|
|
return s
|
|
}
|
|
|
|
func (rr *NSEC3) len() int {
|
|
l := rr.Hdr.len() + 6 + len(rr.Salt)/2 + 1 + len(rr.NextDomain) + 1
|
|
lastwindow := uint32(2 ^ 32 + 1)
|
|
for _, t := range rr.TypeBitMap {
|
|
window := t / 256
|
|
if uint32(window) != lastwindow {
|
|
l += 1 + 32
|
|
}
|
|
lastwindow = uint32(window)
|
|
}
|
|
return l
|
|
}
|
|
|
|
type NSEC3PARAM struct {
|
|
Hdr RR_Header
|
|
Hash uint8
|
|
Flags uint8
|
|
Iterations uint16
|
|
SaltLength uint8
|
|
Salt string `dns:"hex"`
|
|
}
|
|
|
|
func (rr *NSEC3PARAM) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *NSEC3PARAM) copy() RR {
|
|
return &NSEC3PARAM{*rr.Hdr.copyHeader(), rr.Hash, rr.Flags, rr.Iterations, rr.SaltLength, rr.Salt}
|
|
}
|
|
|
|
func (rr *NSEC3PARAM) String() string {
|
|
s := rr.Hdr.String()
|
|
s += strconv.Itoa(int(rr.Hash)) +
|
|
" " + strconv.Itoa(int(rr.Flags)) +
|
|
" " + strconv.Itoa(int(rr.Iterations)) +
|
|
" " + saltToString(rr.Salt)
|
|
return s
|
|
}
|
|
|
|
func (rr *NSEC3PARAM) len() int {
|
|
return rr.Hdr.len() + 2 + 4 + 1 + len(rr.Salt)/2
|
|
}
|
|
|
|
type TKEY struct {
|
|
Hdr RR_Header
|
|
Algorithm string `dns:"domain-name"`
|
|
Inception uint32
|
|
Expiration uint32
|
|
Mode uint16
|
|
Error uint16
|
|
KeySize uint16
|
|
Key string
|
|
OtherLen uint16
|
|
OtherData string
|
|
}
|
|
|
|
func (rr *TKEY) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *TKEY) copy() RR {
|
|
return &TKEY{*rr.Hdr.copyHeader(), rr.Algorithm, rr.Inception, rr.Expiration, rr.Mode, rr.Error, rr.KeySize, rr.Key, rr.OtherLen, rr.OtherData}
|
|
}
|
|
|
|
func (rr *TKEY) String() string {
|
|
// It has no presentation format
|
|
return ""
|
|
}
|
|
|
|
func (rr *TKEY) len() int {
|
|
return rr.Hdr.len() + len(rr.Algorithm) + 1 + 4 + 4 + 6 +
|
|
len(rr.Key) + 2 + len(rr.OtherData)
|
|
}
|
|
|
|
// RFC3597 representes an unknown RR.
|
|
type RFC3597 struct {
|
|
Hdr RR_Header
|
|
Rdata string `dns:"hex"`
|
|
}
|
|
|
|
func (rr *RFC3597) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *RFC3597) copy() RR { return &RFC3597{*rr.Hdr.copyHeader(), rr.Rdata} }
|
|
|
|
func (rr *RFC3597) String() string {
|
|
s := rr.Hdr.String()
|
|
s += "\\# " + strconv.Itoa(len(rr.Rdata)/2) + " " + rr.Rdata
|
|
return s
|
|
}
|
|
|
|
func (rr *RFC3597) len() int {
|
|
return rr.Hdr.len() + len(rr.Rdata)/2
|
|
}
|
|
|
|
type URI struct {
|
|
Hdr RR_Header
|
|
Priority uint16
|
|
Weight uint16
|
|
Target []string `dns:"txt"`
|
|
}
|
|
|
|
func (rr *URI) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *URI) copy() RR { return &URI{*rr.Hdr.copyHeader(), rr.Weight, rr.Priority, rr.Target} }
|
|
|
|
func (rr *URI) String() string {
|
|
s := rr.Hdr.String() + strconv.Itoa(int(rr.Priority)) +
|
|
" " + strconv.Itoa(int(rr.Weight))
|
|
for i, s1 := range rr.Target {
|
|
if i > 0 {
|
|
s += " " + strconv.QuoteToASCII(s1)
|
|
} else {
|
|
s += strconv.QuoteToASCII(s1)
|
|
}
|
|
}
|
|
return s
|
|
}
|
|
|
|
func (rr *URI) len() int {
|
|
return rr.Hdr.len() + 4 + len(rr.Target) + 1
|
|
}
|
|
|
|
type DHCID struct {
|
|
Hdr RR_Header
|
|
Digest string `dns:"base64"`
|
|
}
|
|
|
|
func (rr *DHCID) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *DHCID) copy() RR { return &DHCID{*rr.Hdr.copyHeader(), rr.Digest} }
|
|
|
|
func (rr *DHCID) String() string {
|
|
return rr.Hdr.String() + rr.Digest
|
|
}
|
|
|
|
func (rr *DHCID) len() int {
|
|
return rr.Hdr.len() +
|
|
base64.StdEncoding.DecodedLen(len(rr.Digest))
|
|
}
|
|
|
|
type TLSA struct {
|
|
Hdr RR_Header
|
|
Usage uint8
|
|
Selector uint8
|
|
MatchingType uint8
|
|
Certificate string `dns:"hex"`
|
|
}
|
|
|
|
func (rr *TLSA) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *TLSA) copy() RR {
|
|
return &TLSA{*rr.Hdr.copyHeader(), rr.Usage, rr.Selector, rr.MatchingType, rr.Certificate}
|
|
}
|
|
|
|
func (rr *TLSA) String() string {
|
|
return rr.Hdr.String() +
|
|
" " + strconv.Itoa(int(rr.Usage)) +
|
|
" " + strconv.Itoa(int(rr.Selector)) +
|
|
" " + strconv.Itoa(int(rr.MatchingType)) +
|
|
" " + rr.Certificate
|
|
}
|
|
|
|
func (rr *TLSA) len() int {
|
|
return rr.Hdr.len() + 3 + len(rr.Certificate)/2
|
|
}
|
|
|
|
type HIP struct {
|
|
Hdr RR_Header
|
|
HitLength uint8
|
|
PublicKeyAlgorithm uint8
|
|
PublicKeyLength uint16
|
|
Hit string `dns:"hex"`
|
|
PublicKey string `dns:"base64"`
|
|
RendezvousServers []string `dns:"domain-name"`
|
|
}
|
|
|
|
func (rr *HIP) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *HIP) copy() RR {
|
|
return &HIP{*rr.Hdr.copyHeader(), rr.HitLength, rr.PublicKeyAlgorithm, rr.PublicKeyLength, rr.Hit, rr.PublicKey, rr.RendezvousServers}
|
|
}
|
|
|
|
func (rr *HIP) String() string {
|
|
s := rr.Hdr.String() +
|
|
" " + strconv.Itoa(int(rr.PublicKeyAlgorithm)) +
|
|
" " + rr.Hit +
|
|
" " + rr.PublicKey
|
|
for _, d := range rr.RendezvousServers {
|
|
s += " " + d
|
|
}
|
|
return s
|
|
}
|
|
|
|
func (rr *HIP) len() int {
|
|
l := rr.Hdr.len() + 4 +
|
|
len(rr.Hit)/2 +
|
|
base64.StdEncoding.DecodedLen(len(rr.PublicKey))
|
|
for _, d := range rr.RendezvousServers {
|
|
l += len(d) + 1
|
|
}
|
|
return l
|
|
}
|
|
|
|
type NINFO struct {
|
|
Hdr RR_Header
|
|
ZSData []string `dns:"txt"`
|
|
}
|
|
|
|
func (rr *NINFO) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *NINFO) copy() RR { return &NINFO{*rr.Hdr.copyHeader(), rr.ZSData} }
|
|
|
|
func (rr *NINFO) String() string {
|
|
s := rr.Hdr.String()
|
|
for i, s1 := range rr.ZSData {
|
|
if i > 0 {
|
|
s += " " + strconv.QuoteToASCII(s1)
|
|
} else {
|
|
s += strconv.QuoteToASCII(s1)
|
|
}
|
|
}
|
|
return s
|
|
}
|
|
|
|
func (rr *NINFO) len() int {
|
|
l := rr.Hdr.len()
|
|
for _, t := range rr.ZSData {
|
|
l += len(t)
|
|
}
|
|
return l
|
|
}
|
|
|
|
type WKS struct {
|
|
Hdr RR_Header
|
|
Address net.IP `dns:"a"`
|
|
Protocol uint8
|
|
BitMap []uint16 `dns:"wks"`
|
|
}
|
|
|
|
func (rr *WKS) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *WKS) copy() RR { return &WKS{*rr.Hdr.copyHeader(), rr.Address, rr.Protocol, rr.BitMap} }
|
|
|
|
func (rr *WKS) String() (s string) {
|
|
s = rr.Hdr.String()
|
|
if rr.Address != nil {
|
|
s += rr.Address.String()
|
|
}
|
|
for i := 0; i < len(rr.BitMap); i++ {
|
|
// should lookup the port
|
|
s += " " + strconv.Itoa(int(rr.BitMap[i]))
|
|
}
|
|
return s
|
|
}
|
|
|
|
func (rr *WKS) len() int {
|
|
return rr.Hdr.len() + net.IPv4len + 1
|
|
}
|
|
|
|
type NID struct {
|
|
Hdr RR_Header
|
|
Preference uint16
|
|
NodeID uint64
|
|
}
|
|
|
|
func (rr *NID) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *NID) copy() RR { return &NID{*rr.Hdr.copyHeader(), rr.Preference, rr.NodeID} }
|
|
|
|
func (rr *NID) String() string {
|
|
s := rr.Hdr.String() + strconv.Itoa(int(rr.Preference))
|
|
node := fmt.Sprintf("%0.16x", rr.NodeID)
|
|
s += " " + node[0:4] + ":" + node[4:8] + ":" + node[8:12] + ":" + node[12:16]
|
|
return s
|
|
}
|
|
|
|
func (rr *NID) len() int {
|
|
return rr.Hdr.len() + 2 + 8
|
|
}
|
|
|
|
type L32 struct {
|
|
Hdr RR_Header
|
|
Preference uint16
|
|
Locator32 net.IP `dns:"a"`
|
|
}
|
|
|
|
func (rr *L32) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *L32) copy() RR { return &L32{*rr.Hdr.copyHeader(), rr.Preference, rr.Locator32} }
|
|
|
|
func (rr *L32) String() string {
|
|
if rr.Locator32 == nil {
|
|
return rr.Hdr.String() + strconv.Itoa(int(rr.Preference))
|
|
}
|
|
return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) +
|
|
" " + rr.Locator32.String()
|
|
}
|
|
|
|
func (rr *L32) len() int {
|
|
return rr.Hdr.len() + net.IPv4len
|
|
}
|
|
|
|
type L64 struct {
|
|
Hdr RR_Header
|
|
Preference uint16
|
|
Locator64 uint64
|
|
}
|
|
|
|
func (rr *L64) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *L64) copy() RR { return &L64{*rr.Hdr.copyHeader(), rr.Preference, rr.Locator64} }
|
|
|
|
func (rr *L64) String() string {
|
|
s := rr.Hdr.String() + strconv.Itoa(int(rr.Preference))
|
|
node := fmt.Sprintf("%0.16X", rr.Locator64)
|
|
s += " " + node[0:4] + ":" + node[4:8] + ":" + node[8:12] + ":" + node[12:16]
|
|
return s
|
|
}
|
|
|
|
func (rr *L64) len() int {
|
|
return rr.Hdr.len() + 2 + 8
|
|
}
|
|
|
|
type LP struct {
|
|
Hdr RR_Header
|
|
Preference uint16
|
|
Fqdn string `dns:"domain-name"`
|
|
}
|
|
|
|
func (rr *LP) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *LP) copy() RR { return &LP{*rr.Hdr.copyHeader(), rr.Preference, rr.Fqdn} }
|
|
func (rr *LP) String() string {
|
|
return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + " " + rr.Fqdn
|
|
}
|
|
func (rr *LP) len() int { return rr.Hdr.len() + 2 + len(rr.Fqdn) + 1 }
|
|
|
|
type EUI48 struct {
|
|
Hdr RR_Header
|
|
Address uint64 `dns:"uint48"`
|
|
}
|
|
|
|
func (rr *EUI48) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *EUI48) copy() RR { return &EUI48{*rr.Hdr.copyHeader(), rr.Address} }
|
|
func (rr *EUI48) String() string { return rr.Hdr.String() + euiToString(rr.Address, 48) }
|
|
func (rr *EUI48) len() int { return rr.Hdr.len() + 6 }
|
|
|
|
type EUI64 struct {
|
|
Hdr RR_Header
|
|
Address uint64
|
|
}
|
|
|
|
func (rr *EUI64) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *EUI64) copy() RR { return &EUI64{*rr.Hdr.copyHeader(), rr.Address} }
|
|
func (rr *EUI64) String() string { return rr.Hdr.String() + euiToString(rr.Address, 64) }
|
|
func (rr *EUI64) len() int { return rr.Hdr.len() + 8 }
|
|
|
|
type CAA struct {
|
|
Hdr RR_Header
|
|
Flag uint8
|
|
Tag string
|
|
Value []string `dns:"txt"`
|
|
}
|
|
|
|
func (rr *CAA) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *CAA) copy() RR { return &CAA{*rr.Hdr.copyHeader(), rr.Flag, rr.Tag, rr.Value} }
|
|
|
|
func (rr *CAA) String() string {
|
|
s := rr.Hdr.String() + strconv.FormatInt(int64(rr.Flag), 10) + " " + rr.Tag
|
|
for i, s1 := range rr.Value {
|
|
if i > 0 {
|
|
s += " " + strconv.QuoteToASCII(s1)
|
|
} else {
|
|
s += strconv.QuoteToASCII(s1)
|
|
}
|
|
}
|
|
return s
|
|
}
|
|
|
|
func (rr *CAA) len() int {
|
|
l := rr.Hdr.len() + 1 + len(rr.Tag)
|
|
for _, t := range rr.Value {
|
|
l += len(t)
|
|
}
|
|
return l
|
|
}
|
|
|
|
type UID struct {
|
|
Hdr RR_Header
|
|
Uid uint32
|
|
}
|
|
|
|
func (rr *UID) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *UID) copy() RR { return &UID{*rr.Hdr.copyHeader(), rr.Uid} }
|
|
func (rr *UID) String() string { return rr.Hdr.String() + strconv.FormatInt(int64(rr.Uid), 10) }
|
|
func (rr *UID) len() int { return rr.Hdr.len() + 4 }
|
|
|
|
type GID struct {
|
|
Hdr RR_Header
|
|
Gid uint32
|
|
}
|
|
|
|
func (rr *GID) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *GID) copy() RR { return &GID{*rr.Hdr.copyHeader(), rr.Gid} }
|
|
func (rr *GID) String() string { return rr.Hdr.String() + strconv.FormatInt(int64(rr.Gid), 10) }
|
|
func (rr *GID) len() int { return rr.Hdr.len() + 4 }
|
|
|
|
type UINFO struct {
|
|
Hdr RR_Header
|
|
Uinfo string
|
|
}
|
|
|
|
func (rr *UINFO) Header() *RR_Header { return &rr.Hdr }
|
|
func (rr *UINFO) copy() RR { return &UINFO{*rr.Hdr.copyHeader(), rr.Uinfo} }
|
|
func (rr *UINFO) String() string { return rr.Hdr.String() + strconv.QuoteToASCII(rr.Uinfo) }
|
|
func (rr *UINFO) len() int { return rr.Hdr.len() + len(rr.Uinfo) + 1 }
|
|
|
|
// TimeToString translates the RRSIG's incep. and expir. times to the
|
|
// string representation used when printing the record.
|
|
// It takes serial arithmetic (RFC 1982) into account.
|
|
func TimeToString(t uint32) string {
|
|
mod := ((int64(t) - time.Now().Unix()) / year68) - 1
|
|
if mod < 0 {
|
|
mod = 0
|
|
}
|
|
ti := time.Unix(int64(t)-(mod*year68), 0).UTC()
|
|
return ti.Format("20060102150405")
|
|
}
|
|
|
|
// StringToTime translates the RRSIG's incep. and expir. times from
|
|
// string values like "20110403154150" to an 32 bit integer.
|
|
// It takes serial arithmetic (RFC 1982) into account.
|
|
func StringToTime(s string) (uint32, error) {
|
|
t, e := time.Parse("20060102150405", s)
|
|
if e != nil {
|
|
return 0, e
|
|
}
|
|
mod := (t.Unix() / year68) - 1
|
|
if mod < 0 {
|
|
mod = 0
|
|
}
|
|
return uint32(t.Unix() - (mod * year68)), nil
|
|
}
|
|
|
|
// saltToString converts a NSECX salt to uppercase and
|
|
// returns "-" when it is empty
|
|
func saltToString(s string) string {
|
|
if len(s) == 0 {
|
|
return "-"
|
|
}
|
|
return strings.ToUpper(s)
|
|
}
|
|
|
|
func cmToString(mantissa, exponent uint8) string {
|
|
switch exponent {
|
|
case 0, 1:
|
|
if exponent == 1 {
|
|
mantissa *= 10
|
|
}
|
|
return fmt.Sprintf("%.02f", float32(mantissa))
|
|
default:
|
|
s := fmt.Sprintf("%d", mantissa)
|
|
for i := uint8(0); i < exponent-2; i++ {
|
|
s += "0"
|
|
}
|
|
return s
|
|
}
|
|
panic("dns: not reached")
|
|
}
|
|
|
|
func euiToString(eui uint64, bits int) (hex string) {
|
|
switch bits {
|
|
case 64:
|
|
hex = fmt.Sprintf("%16.16x", eui)
|
|
hex = hex[0:2] + "-" + hex[2:4] + "-" + hex[4:6] + "-" + hex[6:8] +
|
|
"-" + hex[8:10] + "-" + hex[10:12] + "-" + hex[12:14] + "-" + hex[14:16]
|
|
case 48:
|
|
hex = fmt.Sprintf("%12.12x", eui)
|
|
hex = hex[0:2] + "-" + hex[2:4] + "-" + hex[4:6] + "-" + hex[6:8] +
|
|
"-" + hex[8:10] + "-" + hex[10:12]
|
|
}
|
|
return
|
|
}
|
|
|
|
// Map of constructors for each RR wire type.
|
|
var rr_mk = map[uint16]func() RR{
|
|
TypeCNAME: func() RR { return new(CNAME) },
|
|
TypeHINFO: func() RR { return new(HINFO) },
|
|
TypeMB: func() RR { return new(MB) },
|
|
TypeMG: func() RR { return new(MG) },
|
|
TypeMD: func() RR { return new(MD) },
|
|
TypeMF: func() RR { return new(MF) },
|
|
TypeMINFO: func() RR { return new(MINFO) },
|
|
TypeRP: func() RR { return new(RP) },
|
|
TypeAFSDB: func() RR { return new(AFSDB) },
|
|
TypeX25: func() RR { return new(X25) },
|
|
TypeMR: func() RR { return new(MR) },
|
|
TypeMX: func() RR { return new(MX) },
|
|
TypeRKEY: func() RR { return new(RKEY) },
|
|
TypeNINFO: func() RR { return new(NINFO) },
|
|
TypeNS: func() RR { return new(NS) },
|
|
TypePTR: func() RR { return new(PTR) },
|
|
TypeSOA: func() RR { return new(SOA) },
|
|
TypeRT: func() RR { return new(RT) },
|
|
TypeTXT: func() RR { return new(TXT) },
|
|
TypeSRV: func() RR { return new(SRV) },
|
|
TypeNAPTR: func() RR { return new(NAPTR) },
|
|
TypeDNAME: func() RR { return new(DNAME) },
|
|
TypeA: func() RR { return new(A) },
|
|
TypeWKS: func() RR { return new(WKS) },
|
|
TypeAAAA: func() RR { return new(AAAA) },
|
|
TypeLOC: func() RR { return new(LOC) },
|
|
TypeOPT: func() RR { return new(OPT) },
|
|
TypeDS: func() RR { return new(DS) },
|
|
TypeCDS: func() RR { return new(CDS) },
|
|
TypeCERT: func() RR { return new(CERT) },
|
|
TypeKX: func() RR { return new(KX) },
|
|
TypeSPF: func() RR { return new(SPF) },
|
|
TypeTALINK: func() RR { return new(TALINK) },
|
|
TypeSSHFP: func() RR { return new(SSHFP) },
|
|
TypeRRSIG: func() RR { return new(RRSIG) },
|
|
TypeNSEC: func() RR { return new(NSEC) },
|
|
TypeDNSKEY: func() RR { return new(DNSKEY) },
|
|
TypeNSEC3: func() RR { return new(NSEC3) },
|
|
TypeDHCID: func() RR { return new(DHCID) },
|
|
TypeNSEC3PARAM: func() RR { return new(NSEC3PARAM) },
|
|
TypeTKEY: func() RR { return new(TKEY) },
|
|
TypeTSIG: func() RR { return new(TSIG) },
|
|
TypeURI: func() RR { return new(URI) },
|
|
TypeTA: func() RR { return new(TA) },
|
|
TypeDLV: func() RR { return new(DLV) },
|
|
TypeTLSA: func() RR { return new(TLSA) },
|
|
TypeHIP: func() RR { return new(HIP) },
|
|
TypeNID: func() RR { return new(NID) },
|
|
TypeL32: func() RR { return new(L32) },
|
|
TypeL64: func() RR { return new(L64) },
|
|
TypeLP: func() RR { return new(LP) },
|
|
TypeEUI48: func() RR { return new(EUI48) },
|
|
TypeEUI64: func() RR { return new(EUI64) },
|
|
TypeCAA: func() RR { return new(CAA) },
|
|
TypeUID: func() RR { return new(UID) },
|
|
TypeGID: func() RR { return new(GID) },
|
|
TypeUINFO: func() RR { return new(UINFO) },
|
|
}
|