diff --git a/duplicate.go b/duplicate.go new file mode 100644 index 00000000..6372e8a1 --- /dev/null +++ b/duplicate.go @@ -0,0 +1,25 @@ +package dns + +//go:generate go run duplicate_generate.go + +// IsDuplicate checks of r1 and r2 are duplicates of each other, excluding the TTL. +// So this means the header data is equal *and* the RDATA is the same. Return true +// is so, otherwise false. +// It's is a protocol violation to have identical RRs in a message. +func IsDuplicate(r1, r2 RR) bool { + if r1.Header().Class != r2.Header().Class { + return false + } + if r1.Header().Rrtype != r2.Header().Rrtype { + return false + } + if !isDulicateName(r1.Header().Name, r2.Header().Name) { + return false + } + // ignore TTL + + return isDuplicateRdata(r1, r2) +} + +// isDulicateName checks if the domain names s1 and s2 are equal. +func isDulicateName(s1, s2 string) bool { return equal(s1, s2) } diff --git a/duplicate_generate.go b/duplicate_generate.go new file mode 100644 index 00000000..83ac1cf7 --- /dev/null +++ b/duplicate_generate.go @@ -0,0 +1,158 @@ +//+build ignore + +// types_generate.go is meant to run with go generate. It will use +// go/{importer,types} to track down all the RR struct types. Then for each type +// it will generate conversion tables (TypeToRR and TypeToString) and banal +// methods (len, Header, copy) based on the struct tags. The generated source is +// written to ztypes.go, and is meant to be checked into git. +package main + +import ( + "bytes" + "fmt" + "go/format" + "go/importer" + "go/types" + "log" + "os" +) + +var packageHdr = ` +// Code generated by "go run duplicate_generate.go"; DO NOT EDIT. + +package dns + +` + +func getTypeStruct(t types.Type, scope *types.Scope) (*types.Struct, bool) { + st, ok := t.Underlying().(*types.Struct) + if !ok { + return nil, false + } + if st.Field(0).Type() == scope.Lookup("RR_Header").Type() { + return st, false + } + if st.Field(0).Anonymous() { + st, _ := getTypeStruct(st.Field(0).Type(), scope) + return st, true + } + return nil, false +} + +func main() { + // Import and type-check the package + pkg, err := importer.Default().Import("github.com/miekg/dns") + fatalIfErr(err) + scope := pkg.Scope() + + // Collect actual types (*X) + var namedTypes []string + for _, name := range scope.Names() { + o := scope.Lookup(name) + if o == nil || !o.Exported() { + continue + } + + if st, _ := getTypeStruct(o.Type(), scope); st == nil { + continue + } + + if name == "PrivateRR" || name == "RFC3597" { + continue + } + if name == "OPT" || name == "ANY" || name == "IXFR" || name == "AXFR" { + continue + } + + namedTypes = append(namedTypes, o.Name()) + } + + b := &bytes.Buffer{} + b.WriteString(packageHdr) + + // Generate the giant switch that calls the correct function for each type. + fmt.Fprint(b, "// isDuplicateRdata calls the rdata specific functions\n") + fmt.Fprint(b, "func isDuplicateRdata(r1, r2 RR) bool {\n") + fmt.Fprint(b, "switch r1.Header().Rrtype {\n") + + for _, name := range namedTypes { + + o := scope.Lookup(name) + _, isEmbedded := getTypeStruct(o.Type(), scope) + if isEmbedded { + continue + } + fmt.Fprintf(b, "case Type%s:\nreturn isDuplicate%s(r1.(*%s), r2.(*%s))\n", name, name, name, name) + } + fmt.Fprintf(b, "}\nreturn false\n}\n") + + // Generate the duplicate check for each type. + fmt.Fprint(b, "// isDuplicate() functions\n\n") + for _, name := range namedTypes { + + o := scope.Lookup(name) + st, isEmbedded := getTypeStruct(o.Type(), scope) + if isEmbedded { + continue + } + fmt.Fprintf(b, "func isDuplicate%s(r1, r2 *%s) bool {\n", name, name) + for i := 1; i < st.NumFields(); i++ { + field := st.Field(i).Name() + o2 := func(s string) { fmt.Fprintf(b, s+"\n", field, field) } + o3 := func(s string) { fmt.Fprintf(b, s+"\n", field, field, field) } + + // For some reason, a and aaaa don't pop up as *types.Slice here (mostly like because the are + // *indirectly* defined as a slice in the net package). + if _, ok := st.Field(i).Type().(*types.Slice); ok || st.Tag(i) == `dns:"a"` || st.Tag(i) == `dns:"aaaa"` { + o2("if len(r1.%s) != len(r2.%s) {\nreturn false\n}") + + if st.Tag(i) == `dns:"cdomain-name"` || st.Tag(i) == `dns:"domain-name"` { + o3(`for i := 0; i < len(r1.%s); i++ { + if !isDulicateName(r1.%s[i], r2.%s[i]) { + return false + } + }`) + + continue + } + + o3(`for i := 0; i < len(r1.%s); i++ { + if r1.%s[i] != r2.%s[i] { + return false + } + }`) + + continue + } + + switch st.Tag(i) { + case `dns:"-"`: + // ignored + case `dns:"cdomain-name"`, `dns:"domain-name"`: + o2("if !isDulicateName(r1.%s, r2.%s) {\nreturn false\n}") + default: + o2("if r1.%s != r2.%s {\nreturn false\n}") + } + } + fmt.Fprintf(b, "return true\n}\n\n") + } + + // gofmt + res, err := format.Source(b.Bytes()) + if err != nil { + b.WriteTo(os.Stderr) + log.Fatal(err) + } + + // write result + f, err := os.Create("zduplicate.go") + fatalIfErr(err) + defer f.Close() + f.Write(res) +} + +func fatalIfErr(err error) { + if err != nil { + log.Fatal(err) + } +} diff --git a/duplicate_test.go b/duplicate_test.go new file mode 100644 index 00000000..56779607 --- /dev/null +++ b/duplicate_test.go @@ -0,0 +1,61 @@ +package dns + +import "testing" + +func TestDuplicateA(t *testing.T) { + a1, _ := NewRR("www.example.org. 2700 IN A 127.0.0.1") + a2, _ := NewRR("www.example.org. IN A 127.0.0.1") + if !IsDuplicate(a1, a2) { + t.Errorf("expected %s/%s to be duplicates, but got false", a1.String(), a2.String()) + } + + a2, _ = NewRR("www.example.org. IN A 127.0.0.2") + if IsDuplicate(a1, a2) { + t.Errorf("expected %s/%s not to be duplicates, but got true", a1.String(), a2.String()) + } +} + +func TestDuplicateTXT(t *testing.T) { + a1, _ := NewRR("www.example.org. IN TXT \"aa\"") + a2, _ := NewRR("www.example.org. IN TXT \"aa\"") + + if !IsDuplicate(a1, a2) { + t.Errorf("expected %s/%s to be duplicates, but got false", a1.String(), a2.String()) + } + + a2, _ = NewRR("www.example.org. IN TXT \"aa\" \"bb\"") + if IsDuplicate(a1, a2) { + t.Errorf("expected %s/%s not to be duplicates, but got true", a1.String(), a2.String()) + } + + a1, _ = NewRR("www.example.org. IN TXT \"aa\" \"bc\"") + if IsDuplicate(a1, a2) { + t.Errorf("expected %s/%s not to be duplicates, but got true", a1.String(), a2.String()) + } +} + +func TestDuplicateOwner(t *testing.T) { + a1, _ := NewRR("www.example.org. IN A 127.0.0.1") + a2, _ := NewRR("www.example.org. IN A 127.0.0.1") + if !IsDuplicate(a1, a2) { + t.Errorf("expected %s/%s to be duplicates, but got false", a1.String(), a2.String()) + } + + a2, _ = NewRR("WWw.exaMPle.org. IN A 127.0.0.2") + if IsDuplicate(a1, a2) { + t.Errorf("expected %s/%s to be duplicates, but got false", a1.String(), a2.String()) + } +} + +func TestDuplicateDomain(t *testing.T) { + a1, _ := NewRR("www.example.org. IN CNAME example.org.") + a2, _ := NewRR("www.example.org. IN CNAME example.org.") + if !IsDuplicate(a1, a2) { + t.Errorf("expected %s/%s to be duplicates, but got false", a1.String(), a2.String()) + } + + a2, _ = NewRR("www.example.org. IN CNAME exAMPLe.oRG.") + if !IsDuplicate(a1, a2) { + t.Errorf("expected %s/%s to be duplicates, but got false", a1.String(), a2.String()) + } +} diff --git a/sanitize.go b/sanitize.go index c415bdd6..cac15787 100644 --- a/sanitize.go +++ b/sanitize.go @@ -5,6 +5,7 @@ package dns // rrs. // m is used to store the RRs temporary. If it is nil a new map will be allocated. func Dedup(rrs []RR, m map[string]RR) []RR { + if m == nil { m = make(map[string]RR) } diff --git a/zduplicate.go b/zduplicate.go new file mode 100644 index 00000000..ba9863b2 --- /dev/null +++ b/zduplicate.go @@ -0,0 +1,943 @@ +// Code generated by "go run duplicate_generate.go"; DO NOT EDIT. + +package dns + +// isDuplicateRdata calls the rdata specific functions +func isDuplicateRdata(r1, r2 RR) bool { + switch r1.Header().Rrtype { + case TypeA: + return isDuplicateA(r1.(*A), r2.(*A)) + case TypeAAAA: + return isDuplicateAAAA(r1.(*AAAA), r2.(*AAAA)) + case TypeAFSDB: + return isDuplicateAFSDB(r1.(*AFSDB), r2.(*AFSDB)) + case TypeAVC: + return isDuplicateAVC(r1.(*AVC), r2.(*AVC)) + case TypeCAA: + return isDuplicateCAA(r1.(*CAA), r2.(*CAA)) + case TypeCERT: + return isDuplicateCERT(r1.(*CERT), r2.(*CERT)) + case TypeCNAME: + return isDuplicateCNAME(r1.(*CNAME), r2.(*CNAME)) + case TypeCSYNC: + return isDuplicateCSYNC(r1.(*CSYNC), r2.(*CSYNC)) + case TypeDHCID: + return isDuplicateDHCID(r1.(*DHCID), r2.(*DHCID)) + case TypeDNAME: + return isDuplicateDNAME(r1.(*DNAME), r2.(*DNAME)) + case TypeDNSKEY: + return isDuplicateDNSKEY(r1.(*DNSKEY), r2.(*DNSKEY)) + case TypeDS: + return isDuplicateDS(r1.(*DS), r2.(*DS)) + case TypeEID: + return isDuplicateEID(r1.(*EID), r2.(*EID)) + case TypeEUI48: + return isDuplicateEUI48(r1.(*EUI48), r2.(*EUI48)) + case TypeEUI64: + return isDuplicateEUI64(r1.(*EUI64), r2.(*EUI64)) + case TypeGID: + return isDuplicateGID(r1.(*GID), r2.(*GID)) + case TypeGPOS: + return isDuplicateGPOS(r1.(*GPOS), r2.(*GPOS)) + case TypeHINFO: + return isDuplicateHINFO(r1.(*HINFO), r2.(*HINFO)) + case TypeHIP: + return isDuplicateHIP(r1.(*HIP), r2.(*HIP)) + case TypeKX: + return isDuplicateKX(r1.(*KX), r2.(*KX)) + case TypeL32: + return isDuplicateL32(r1.(*L32), r2.(*L32)) + case TypeL64: + return isDuplicateL64(r1.(*L64), r2.(*L64)) + case TypeLOC: + return isDuplicateLOC(r1.(*LOC), r2.(*LOC)) + case TypeLP: + return isDuplicateLP(r1.(*LP), r2.(*LP)) + case TypeMB: + return isDuplicateMB(r1.(*MB), r2.(*MB)) + case TypeMD: + return isDuplicateMD(r1.(*MD), r2.(*MD)) + case TypeMF: + return isDuplicateMF(r1.(*MF), r2.(*MF)) + case TypeMG: + return isDuplicateMG(r1.(*MG), r2.(*MG)) + case TypeMINFO: + return isDuplicateMINFO(r1.(*MINFO), r2.(*MINFO)) + case TypeMR: + return isDuplicateMR(r1.(*MR), r2.(*MR)) + case TypeMX: + return isDuplicateMX(r1.(*MX), r2.(*MX)) + case TypeNAPTR: + return isDuplicateNAPTR(r1.(*NAPTR), r2.(*NAPTR)) + case TypeNID: + return isDuplicateNID(r1.(*NID), r2.(*NID)) + case TypeNIMLOC: + return isDuplicateNIMLOC(r1.(*NIMLOC), r2.(*NIMLOC)) + case TypeNINFO: + return isDuplicateNINFO(r1.(*NINFO), r2.(*NINFO)) + case TypeNS: + return isDuplicateNS(r1.(*NS), r2.(*NS)) + case TypeNSAPPTR: + return isDuplicateNSAPPTR(r1.(*NSAPPTR), r2.(*NSAPPTR)) + case TypeNSEC: + return isDuplicateNSEC(r1.(*NSEC), r2.(*NSEC)) + case TypeNSEC3: + return isDuplicateNSEC3(r1.(*NSEC3), r2.(*NSEC3)) + case TypeNSEC3PARAM: + return isDuplicateNSEC3PARAM(r1.(*NSEC3PARAM), r2.(*NSEC3PARAM)) + case TypeOPENPGPKEY: + return isDuplicateOPENPGPKEY(r1.(*OPENPGPKEY), r2.(*OPENPGPKEY)) + case TypePTR: + return isDuplicatePTR(r1.(*PTR), r2.(*PTR)) + case TypePX: + return isDuplicatePX(r1.(*PX), r2.(*PX)) + case TypeRKEY: + return isDuplicateRKEY(r1.(*RKEY), r2.(*RKEY)) + case TypeRP: + return isDuplicateRP(r1.(*RP), r2.(*RP)) + case TypeRRSIG: + return isDuplicateRRSIG(r1.(*RRSIG), r2.(*RRSIG)) + case TypeRT: + return isDuplicateRT(r1.(*RT), r2.(*RT)) + case TypeSMIMEA: + return isDuplicateSMIMEA(r1.(*SMIMEA), r2.(*SMIMEA)) + case TypeSOA: + return isDuplicateSOA(r1.(*SOA), r2.(*SOA)) + case TypeSPF: + return isDuplicateSPF(r1.(*SPF), r2.(*SPF)) + case TypeSRV: + return isDuplicateSRV(r1.(*SRV), r2.(*SRV)) + case TypeSSHFP: + return isDuplicateSSHFP(r1.(*SSHFP), r2.(*SSHFP)) + case TypeTA: + return isDuplicateTA(r1.(*TA), r2.(*TA)) + case TypeTALINK: + return isDuplicateTALINK(r1.(*TALINK), r2.(*TALINK)) + case TypeTKEY: + return isDuplicateTKEY(r1.(*TKEY), r2.(*TKEY)) + case TypeTLSA: + return isDuplicateTLSA(r1.(*TLSA), r2.(*TLSA)) + case TypeTSIG: + return isDuplicateTSIG(r1.(*TSIG), r2.(*TSIG)) + case TypeTXT: + return isDuplicateTXT(r1.(*TXT), r2.(*TXT)) + case TypeUID: + return isDuplicateUID(r1.(*UID), r2.(*UID)) + case TypeUINFO: + return isDuplicateUINFO(r1.(*UINFO), r2.(*UINFO)) + case TypeURI: + return isDuplicateURI(r1.(*URI), r2.(*URI)) + case TypeX25: + return isDuplicateX25(r1.(*X25), r2.(*X25)) + } + return false +} + +// isDuplicate() functions + +func isDuplicateA(r1, r2 *A) bool { + if len(r1.A) != len(r2.A) { + return false + } + for i := 0; i < len(r1.A); i++ { + if r1.A[i] != r2.A[i] { + return false + } + } + return true +} + +func isDuplicateAAAA(r1, r2 *AAAA) bool { + if len(r1.AAAA) != len(r2.AAAA) { + return false + } + for i := 0; i < len(r1.AAAA); i++ { + if r1.AAAA[i] != r2.AAAA[i] { + return false + } + } + return true +} + +func isDuplicateAFSDB(r1, r2 *AFSDB) bool { + if r1.Subtype != r2.Subtype { + return false + } + if !isDulicateName(r1.Hostname, r2.Hostname) { + return false + } + return true +} + +func isDuplicateAVC(r1, r2 *AVC) bool { + if len(r1.Txt) != len(r2.Txt) { + return false + } + for i := 0; i < len(r1.Txt); i++ { + if r1.Txt[i] != r2.Txt[i] { + return false + } + } + return true +} + +func isDuplicateCAA(r1, r2 *CAA) bool { + if r1.Flag != r2.Flag { + return false + } + if r1.Tag != r2.Tag { + return false + } + if r1.Value != r2.Value { + return false + } + return true +} + +func isDuplicateCERT(r1, r2 *CERT) bool { + if r1.Type != r2.Type { + return false + } + if r1.KeyTag != r2.KeyTag { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.Certificate != r2.Certificate { + return false + } + return true +} + +func isDuplicateCNAME(r1, r2 *CNAME) bool { + if !isDulicateName(r1.Target, r2.Target) { + return false + } + return true +} + +func isDuplicateCSYNC(r1, r2 *CSYNC) bool { + if r1.Serial != r2.Serial { + return false + } + if r1.Flags != r2.Flags { + return false + } + if len(r1.TypeBitMap) != len(r2.TypeBitMap) { + return false + } + for i := 0; i < len(r1.TypeBitMap); i++ { + if r1.TypeBitMap[i] != r2.TypeBitMap[i] { + return false + } + } + return true +} + +func isDuplicateDHCID(r1, r2 *DHCID) bool { + if r1.Digest != r2.Digest { + return false + } + return true +} + +func isDuplicateDNAME(r1, r2 *DNAME) bool { + if !isDulicateName(r1.Target, r2.Target) { + return false + } + return true +} + +func isDuplicateDNSKEY(r1, r2 *DNSKEY) bool { + if r1.Flags != r2.Flags { + return false + } + if r1.Protocol != r2.Protocol { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.PublicKey != r2.PublicKey { + return false + } + return true +} + +func isDuplicateDS(r1, r2 *DS) bool { + if r1.KeyTag != r2.KeyTag { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.DigestType != r2.DigestType { + return false + } + if r1.Digest != r2.Digest { + return false + } + return true +} + +func isDuplicateEID(r1, r2 *EID) bool { + if r1.Endpoint != r2.Endpoint { + return false + } + return true +} + +func isDuplicateEUI48(r1, r2 *EUI48) bool { + if r1.Address != r2.Address { + return false + } + return true +} + +func isDuplicateEUI64(r1, r2 *EUI64) bool { + if r1.Address != r2.Address { + return false + } + return true +} + +func isDuplicateGID(r1, r2 *GID) bool { + if r1.Gid != r2.Gid { + return false + } + return true +} + +func isDuplicateGPOS(r1, r2 *GPOS) bool { + if r1.Longitude != r2.Longitude { + return false + } + if r1.Latitude != r2.Latitude { + return false + } + if r1.Altitude != r2.Altitude { + return false + } + return true +} + +func isDuplicateHINFO(r1, r2 *HINFO) bool { + if r1.Cpu != r2.Cpu { + return false + } + if r1.Os != r2.Os { + return false + } + return true +} + +func isDuplicateHIP(r1, r2 *HIP) bool { + if r1.HitLength != r2.HitLength { + return false + } + if r1.PublicKeyAlgorithm != r2.PublicKeyAlgorithm { + return false + } + if r1.PublicKeyLength != r2.PublicKeyLength { + return false + } + if r1.Hit != r2.Hit { + return false + } + if r1.PublicKey != r2.PublicKey { + return false + } + if len(r1.RendezvousServers) != len(r2.RendezvousServers) { + return false + } + for i := 0; i < len(r1.RendezvousServers); i++ { + if !isDulicateName(r1.RendezvousServers[i], r2.RendezvousServers[i]) { + return false + } + } + return true +} + +func isDuplicateKX(r1, r2 *KX) bool { + if r1.Preference != r2.Preference { + return false + } + if !isDulicateName(r1.Exchanger, r2.Exchanger) { + return false + } + return true +} + +func isDuplicateL32(r1, r2 *L32) bool { + if r1.Preference != r2.Preference { + return false + } + if len(r1.Locator32) != len(r2.Locator32) { + return false + } + for i := 0; i < len(r1.Locator32); i++ { + if r1.Locator32[i] != r2.Locator32[i] { + return false + } + } + return true +} + +func isDuplicateL64(r1, r2 *L64) bool { + if r1.Preference != r2.Preference { + return false + } + if r1.Locator64 != r2.Locator64 { + return false + } + return true +} + +func isDuplicateLOC(r1, r2 *LOC) bool { + if r1.Version != r2.Version { + return false + } + if r1.Size != r2.Size { + return false + } + if r1.HorizPre != r2.HorizPre { + return false + } + if r1.VertPre != r2.VertPre { + return false + } + if r1.Latitude != r2.Latitude { + return false + } + if r1.Longitude != r2.Longitude { + return false + } + if r1.Altitude != r2.Altitude { + return false + } + return true +} + +func isDuplicateLP(r1, r2 *LP) bool { + if r1.Preference != r2.Preference { + return false + } + if !isDulicateName(r1.Fqdn, r2.Fqdn) { + return false + } + return true +} + +func isDuplicateMB(r1, r2 *MB) bool { + if !isDulicateName(r1.Mb, r2.Mb) { + return false + } + return true +} + +func isDuplicateMD(r1, r2 *MD) bool { + if !isDulicateName(r1.Md, r2.Md) { + return false + } + return true +} + +func isDuplicateMF(r1, r2 *MF) bool { + if !isDulicateName(r1.Mf, r2.Mf) { + return false + } + return true +} + +func isDuplicateMG(r1, r2 *MG) bool { + if !isDulicateName(r1.Mg, r2.Mg) { + return false + } + return true +} + +func isDuplicateMINFO(r1, r2 *MINFO) bool { + if !isDulicateName(r1.Rmail, r2.Rmail) { + return false + } + if !isDulicateName(r1.Email, r2.Email) { + return false + } + return true +} + +func isDuplicateMR(r1, r2 *MR) bool { + if !isDulicateName(r1.Mr, r2.Mr) { + return false + } + return true +} + +func isDuplicateMX(r1, r2 *MX) bool { + if r1.Preference != r2.Preference { + return false + } + if !isDulicateName(r1.Mx, r2.Mx) { + return false + } + return true +} + +func isDuplicateNAPTR(r1, r2 *NAPTR) bool { + if r1.Order != r2.Order { + return false + } + if r1.Preference != r2.Preference { + return false + } + if r1.Flags != r2.Flags { + return false + } + if r1.Service != r2.Service { + return false + } + if r1.Regexp != r2.Regexp { + return false + } + if !isDulicateName(r1.Replacement, r2.Replacement) { + return false + } + return true +} + +func isDuplicateNID(r1, r2 *NID) bool { + if r1.Preference != r2.Preference { + return false + } + if r1.NodeID != r2.NodeID { + return false + } + return true +} + +func isDuplicateNIMLOC(r1, r2 *NIMLOC) bool { + if r1.Locator != r2.Locator { + return false + } + return true +} + +func isDuplicateNINFO(r1, r2 *NINFO) bool { + if len(r1.ZSData) != len(r2.ZSData) { + return false + } + for i := 0; i < len(r1.ZSData); i++ { + if r1.ZSData[i] != r2.ZSData[i] { + return false + } + } + return true +} + +func isDuplicateNS(r1, r2 *NS) bool { + if !isDulicateName(r1.Ns, r2.Ns) { + return false + } + return true +} + +func isDuplicateNSAPPTR(r1, r2 *NSAPPTR) bool { + if !isDulicateName(r1.Ptr, r2.Ptr) { + return false + } + return true +} + +func isDuplicateNSEC(r1, r2 *NSEC) bool { + if !isDulicateName(r1.NextDomain, r2.NextDomain) { + return false + } + if len(r1.TypeBitMap) != len(r2.TypeBitMap) { + return false + } + for i := 0; i < len(r1.TypeBitMap); i++ { + if r1.TypeBitMap[i] != r2.TypeBitMap[i] { + return false + } + } + return true +} + +func isDuplicateNSEC3(r1, r2 *NSEC3) bool { + if r1.Hash != r2.Hash { + return false + } + if r1.Flags != r2.Flags { + return false + } + if r1.Iterations != r2.Iterations { + return false + } + if r1.SaltLength != r2.SaltLength { + return false + } + if r1.Salt != r2.Salt { + return false + } + if r1.HashLength != r2.HashLength { + return false + } + if r1.NextDomain != r2.NextDomain { + return false + } + if len(r1.TypeBitMap) != len(r2.TypeBitMap) { + return false + } + for i := 0; i < len(r1.TypeBitMap); i++ { + if r1.TypeBitMap[i] != r2.TypeBitMap[i] { + return false + } + } + return true +} + +func isDuplicateNSEC3PARAM(r1, r2 *NSEC3PARAM) bool { + if r1.Hash != r2.Hash { + return false + } + if r1.Flags != r2.Flags { + return false + } + if r1.Iterations != r2.Iterations { + return false + } + if r1.SaltLength != r2.SaltLength { + return false + } + if r1.Salt != r2.Salt { + return false + } + return true +} + +func isDuplicateOPENPGPKEY(r1, r2 *OPENPGPKEY) bool { + if r1.PublicKey != r2.PublicKey { + return false + } + return true +} + +func isDuplicatePTR(r1, r2 *PTR) bool { + if !isDulicateName(r1.Ptr, r2.Ptr) { + return false + } + return true +} + +func isDuplicatePX(r1, r2 *PX) bool { + if r1.Preference != r2.Preference { + return false + } + if !isDulicateName(r1.Map822, r2.Map822) { + return false + } + if !isDulicateName(r1.Mapx400, r2.Mapx400) { + return false + } + return true +} + +func isDuplicateRKEY(r1, r2 *RKEY) bool { + if r1.Flags != r2.Flags { + return false + } + if r1.Protocol != r2.Protocol { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.PublicKey != r2.PublicKey { + return false + } + return true +} + +func isDuplicateRP(r1, r2 *RP) bool { + if !isDulicateName(r1.Mbox, r2.Mbox) { + return false + } + if !isDulicateName(r1.Txt, r2.Txt) { + return false + } + return true +} + +func isDuplicateRRSIG(r1, r2 *RRSIG) bool { + if r1.TypeCovered != r2.TypeCovered { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.Labels != r2.Labels { + return false + } + if r1.OrigTtl != r2.OrigTtl { + return false + } + if r1.Expiration != r2.Expiration { + return false + } + if r1.Inception != r2.Inception { + return false + } + if r1.KeyTag != r2.KeyTag { + return false + } + if !isDulicateName(r1.SignerName, r2.SignerName) { + return false + } + if r1.Signature != r2.Signature { + return false + } + return true +} + +func isDuplicateRT(r1, r2 *RT) bool { + if r1.Preference != r2.Preference { + return false + } + if !isDulicateName(r1.Host, r2.Host) { + return false + } + return true +} + +func isDuplicateSMIMEA(r1, r2 *SMIMEA) bool { + if r1.Usage != r2.Usage { + return false + } + if r1.Selector != r2.Selector { + return false + } + if r1.MatchingType != r2.MatchingType { + return false + } + if r1.Certificate != r2.Certificate { + return false + } + return true +} + +func isDuplicateSOA(r1, r2 *SOA) bool { + if !isDulicateName(r1.Ns, r2.Ns) { + return false + } + if !isDulicateName(r1.Mbox, r2.Mbox) { + return false + } + if r1.Serial != r2.Serial { + return false + } + if r1.Refresh != r2.Refresh { + return false + } + if r1.Retry != r2.Retry { + return false + } + if r1.Expire != r2.Expire { + return false + } + if r1.Minttl != r2.Minttl { + return false + } + return true +} + +func isDuplicateSPF(r1, r2 *SPF) bool { + if len(r1.Txt) != len(r2.Txt) { + return false + } + for i := 0; i < len(r1.Txt); i++ { + if r1.Txt[i] != r2.Txt[i] { + return false + } + } + return true +} + +func isDuplicateSRV(r1, r2 *SRV) bool { + if r1.Priority != r2.Priority { + return false + } + if r1.Weight != r2.Weight { + return false + } + if r1.Port != r2.Port { + return false + } + if !isDulicateName(r1.Target, r2.Target) { + return false + } + return true +} + +func isDuplicateSSHFP(r1, r2 *SSHFP) bool { + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.Type != r2.Type { + return false + } + if r1.FingerPrint != r2.FingerPrint { + return false + } + return true +} + +func isDuplicateTA(r1, r2 *TA) bool { + if r1.KeyTag != r2.KeyTag { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.DigestType != r2.DigestType { + return false + } + if r1.Digest != r2.Digest { + return false + } + return true +} + +func isDuplicateTALINK(r1, r2 *TALINK) bool { + if !isDulicateName(r1.PreviousName, r2.PreviousName) { + return false + } + if !isDulicateName(r1.NextName, r2.NextName) { + return false + } + return true +} + +func isDuplicateTKEY(r1, r2 *TKEY) bool { + if !isDulicateName(r1.Algorithm, r2.Algorithm) { + return false + } + if r1.Inception != r2.Inception { + return false + } + if r1.Expiration != r2.Expiration { + return false + } + if r1.Mode != r2.Mode { + return false + } + if r1.Error != r2.Error { + return false + } + if r1.KeySize != r2.KeySize { + return false + } + if r1.Key != r2.Key { + return false + } + if r1.OtherLen != r2.OtherLen { + return false + } + if r1.OtherData != r2.OtherData { + return false + } + return true +} + +func isDuplicateTLSA(r1, r2 *TLSA) bool { + if r1.Usage != r2.Usage { + return false + } + if r1.Selector != r2.Selector { + return false + } + if r1.MatchingType != r2.MatchingType { + return false + } + if r1.Certificate != r2.Certificate { + return false + } + return true +} + +func isDuplicateTSIG(r1, r2 *TSIG) bool { + if !isDulicateName(r1.Algorithm, r2.Algorithm) { + return false + } + if r1.TimeSigned != r2.TimeSigned { + return false + } + if r1.Fudge != r2.Fudge { + return false + } + if r1.MACSize != r2.MACSize { + return false + } + if r1.MAC != r2.MAC { + return false + } + if r1.OrigId != r2.OrigId { + return false + } + if r1.Error != r2.Error { + return false + } + if r1.OtherLen != r2.OtherLen { + return false + } + if r1.OtherData != r2.OtherData { + return false + } + return true +} + +func isDuplicateTXT(r1, r2 *TXT) bool { + if len(r1.Txt) != len(r2.Txt) { + return false + } + for i := 0; i < len(r1.Txt); i++ { + if r1.Txt[i] != r2.Txt[i] { + return false + } + } + return true +} + +func isDuplicateUID(r1, r2 *UID) bool { + if r1.Uid != r2.Uid { + return false + } + return true +} + +func isDuplicateUINFO(r1, r2 *UINFO) bool { + if r1.Uinfo != r2.Uinfo { + return false + } + return true +} + +func isDuplicateURI(r1, r2 *URI) bool { + if r1.Priority != r2.Priority { + return false + } + if r1.Weight != r2.Weight { + return false + } + if r1.Target != r2.Target { + return false + } + return true +} + +func isDuplicateX25(r1, r2 *X25) bool { + if r1.PSDNAddress != r2.PSDNAddress { + return false + } + return true +}