Update github.com/miekg/dns to pick up fix for CVE-2019-19794.

I noticed this was out of date using 'snyk test' on the main repository.

vendor/github.com/miekg/dns/zduplicate.go

@@ -37,7 +37,7 @@ func (r1 *AFSDB) isDuplicate(_r2 RR) bool {
 	if r1.Subtype != r2.Subtype {
 		return false
 	}
-	if !isDulicateName(r1.Hostname, r2.Hostname) {
+	if !isDuplicateName(r1.Hostname, r2.Hostname) {
 		return false
 	}
 	return true
@@ -52,6 +52,23 @@ func (r1 *ANY) isDuplicate(_r2 RR) bool {
 	return true
 }
 
+func (r1 *APL) isDuplicate(_r2 RR) bool {
+	r2, ok := _r2.(*APL)
+	if !ok {
+		return false
+	}
+	_ = r2
+	if len(r1.Prefixes) != len(r2.Prefixes) {
+		return false
+	}
+	for i := 0; i < len(r1.Prefixes); i++ {
+		if !r1.Prefixes[i].equals(&r2.Prefixes[i]) {
+			return false
+		}
+	}
+	return true
+}
+
 func (r1 *AVC) isDuplicate(_r2 RR) bool {
 	r2, ok := _r2.(*AVC)
 	if !ok {
@@ -87,6 +104,48 @@ func (r1 *CAA) isDuplicate(_r2 RR) bool {
 	return true
 }
 
+func (r1 *CDNSKEY) isDuplicate(_r2 RR) bool {
+	r2, ok := _r2.(*CDNSKEY)
+	if !ok {
+		return false
+	}
+	_ = r2
+	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 (r1 *CDS) isDuplicate(_r2 RR) bool {
+	r2, ok := _r2.(*CDS)
+	if !ok {
+		return false
+	}
+	_ = r2
+	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 (r1 *CERT) isDuplicate(_r2 RR) bool {
 	r2, ok := _r2.(*CERT)
 	if !ok {
@@ -114,7 +173,7 @@ func (r1 *CNAME) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Target, r2.Target) {
+	if !isDuplicateName(r1.Target, r2.Target) {
 		return false
 	}
 	return true
@@ -155,13 +214,34 @@ func (r1 *DHCID) isDuplicate(_r2 RR) bool {
 	return true
 }
 
+func (r1 *DLV) isDuplicate(_r2 RR) bool {
+	r2, ok := _r2.(*DLV)
+	if !ok {
+		return false
+	}
+	_ = r2
+	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 (r1 *DNAME) isDuplicate(_r2 RR) bool {
 	r2, ok := _r2.(*DNAME)
 	if !ok {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Target, r2.Target) {
+	if !isDuplicateName(r1.Target, r2.Target) {
 		return false
 	}
 	return true
@@ -315,13 +395,55 @@ func (r1 *HIP) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	for i := 0; i < len(r1.RendezvousServers); i++ {
-		if !isDulicateName(r1.RendezvousServers[i], r2.RendezvousServers[i]) {
+		if !isDuplicateName(r1.RendezvousServers[i], r2.RendezvousServers[i]) {
 			return false
 		}
 	}
 	return true
 }
 
+func (r1 *HTTPS) isDuplicate(_r2 RR) bool {
+	r2, ok := _r2.(*HTTPS)
+	if !ok {
+		return false
+	}
+	_ = r2
+	if r1.Priority != r2.Priority {
+		return false
+	}
+	if !isDuplicateName(r1.Target, r2.Target) {
+		return false
+	}
+	if len(r1.Value) != len(r2.Value) {
+		return false
+	}
+	if !areSVCBPairArraysEqual(r1.Value, r2.Value) {
+		return false
+	}
+	return true
+}
+
+func (r1 *KEY) isDuplicate(_r2 RR) bool {
+	r2, ok := _r2.(*KEY)
+	if !ok {
+		return false
+	}
+	_ = r2
+	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 (r1 *KX) isDuplicate(_r2 RR) bool {
 	r2, ok := _r2.(*KX)
 	if !ok {
@@ -331,7 +453,7 @@ func (r1 *KX) isDuplicate(_r2 RR) bool {
 	if r1.Preference != r2.Preference {
 		return false
 	}
-	if !isDulicateName(r1.Exchanger, r2.Exchanger) {
+	if !isDuplicateName(r1.Exchanger, r2.Exchanger) {
 		return false
 	}
 	return true
@@ -406,7 +528,7 @@ func (r1 *LP) isDuplicate(_r2 RR) bool {
 	if r1.Preference != r2.Preference {
 		return false
 	}
-	if !isDulicateName(r1.Fqdn, r2.Fqdn) {
+	if !isDuplicateName(r1.Fqdn, r2.Fqdn) {
 		return false
 	}
 	return true
@@ -418,7 +540,7 @@ func (r1 *MB) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Mb, r2.Mb) {
+	if !isDuplicateName(r1.Mb, r2.Mb) {
 		return false
 	}
 	return true
@@ -430,7 +552,7 @@ func (r1 *MD) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Md, r2.Md) {
+	if !isDuplicateName(r1.Md, r2.Md) {
 		return false
 	}
 	return true
@@ -442,7 +564,7 @@ func (r1 *MF) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Mf, r2.Mf) {
+	if !isDuplicateName(r1.Mf, r2.Mf) {
 		return false
 	}
 	return true
@@ -454,7 +576,7 @@ func (r1 *MG) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Mg, r2.Mg) {
+	if !isDuplicateName(r1.Mg, r2.Mg) {
 		return false
 	}
 	return true
@@ -466,10 +588,10 @@ func (r1 *MINFO) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Rmail, r2.Rmail) {
+	if !isDuplicateName(r1.Rmail, r2.Rmail) {
 		return false
 	}
-	if !isDulicateName(r1.Email, r2.Email) {
+	if !isDuplicateName(r1.Email, r2.Email) {
 		return false
 	}
 	return true
@@ -481,7 +603,7 @@ func (r1 *MR) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Mr, r2.Mr) {
+	if !isDuplicateName(r1.Mr, r2.Mr) {
 		return false
 	}
 	return true
@@ -496,7 +618,7 @@ func (r1 *MX) isDuplicate(_r2 RR) bool {
 	if r1.Preference != r2.Preference {
 		return false
 	}
-	if !isDulicateName(r1.Mx, r2.Mx) {
+	if !isDuplicateName(r1.Mx, r2.Mx) {
 		return false
 	}
 	return true
@@ -523,7 +645,7 @@ func (r1 *NAPTR) isDuplicate(_r2 RR) bool {
 	if r1.Regexp != r2.Regexp {
 		return false
 	}
-	if !isDulicateName(r1.Replacement, r2.Replacement) {
+	if !isDuplicateName(r1.Replacement, r2.Replacement) {
 		return false
 	}
 	return true
@@ -579,7 +701,7 @@ func (r1 *NS) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Ns, r2.Ns) {
+	if !isDuplicateName(r1.Ns, r2.Ns) {
 		return false
 	}
 	return true
@@ -591,7 +713,7 @@ func (r1 *NSAPPTR) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Ptr, r2.Ptr) {
+	if !isDuplicateName(r1.Ptr, r2.Ptr) {
 		return false
 	}
 	return true
@@ -603,7 +725,7 @@ func (r1 *NSEC) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.NextDomain, r2.NextDomain) {
+	if !isDuplicateName(r1.NextDomain, r2.NextDomain) {
 		return false
 	}
 	if len(r1.TypeBitMap) != len(r2.TypeBitMap) {
@@ -709,7 +831,7 @@ func (r1 *PTR) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Ptr, r2.Ptr) {
+	if !isDuplicateName(r1.Ptr, r2.Ptr) {
 		return false
 	}
 	return true
@@ -724,10 +846,10 @@ func (r1 *PX) isDuplicate(_r2 RR) bool {
 	if r1.Preference != r2.Preference {
 		return false
 	}
-	if !isDulicateName(r1.Map822, r2.Map822) {
+	if !isDuplicateName(r1.Map822, r2.Map822) {
 		return false
 	}
-	if !isDulicateName(r1.Mapx400, r2.Mapx400) {
+	if !isDuplicateName(r1.Mapx400, r2.Mapx400) {
 		return false
 	}
 	return true
@@ -772,10 +894,10 @@ func (r1 *RP) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Mbox, r2.Mbox) {
+	if !isDuplicateName(r1.Mbox, r2.Mbox) {
 		return false
 	}
-	if !isDulicateName(r1.Txt, r2.Txt) {
+	if !isDuplicateName(r1.Txt, r2.Txt) {
 		return false
 	}
 	return true
@@ -808,7 +930,7 @@ func (r1 *RRSIG) isDuplicate(_r2 RR) bool {
 	if r1.KeyTag != r2.KeyTag {
 		return false
 	}
-	if !isDulicateName(r1.SignerName, r2.SignerName) {
+	if !isDuplicateName(r1.SignerName, r2.SignerName) {
 		return false
 	}
 	if r1.Signature != r2.Signature {
@@ -826,7 +948,43 @@ func (r1 *RT) isDuplicate(_r2 RR) bool {
 	if r1.Preference != r2.Preference {
 		return false
 	}
-	if !isDulicateName(r1.Host, r2.Host) {
+	if !isDuplicateName(r1.Host, r2.Host) {
+		return false
+	}
+	return true
+}
+
+func (r1 *SIG) isDuplicate(_r2 RR) bool {
+	r2, ok := _r2.(*SIG)
+	if !ok {
+		return false
+	}
+	_ = r2
+	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 !isDuplicateName(r1.SignerName, r2.SignerName) {
+		return false
+	}
+	if r1.Signature != r2.Signature {
 		return false
 	}
 	return true
@@ -859,10 +1017,10 @@ func (r1 *SOA) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Ns, r2.Ns) {
+	if !isDuplicateName(r1.Ns, r2.Ns) {
 		return false
 	}
-	if !isDulicateName(r1.Mbox, r2.Mbox) {
+	if !isDuplicateName(r1.Mbox, r2.Mbox) {
 		return false
 	}
 	if r1.Serial != r2.Serial {
@@ -915,7 +1073,7 @@ func (r1 *SRV) isDuplicate(_r2 RR) bool {
 	if r1.Port != r2.Port {
 		return false
 	}
-	if !isDulicateName(r1.Target, r2.Target) {
+	if !isDuplicateName(r1.Target, r2.Target) {
 		return false
 	}
 	return true
@@ -939,6 +1097,27 @@ func (r1 *SSHFP) isDuplicate(_r2 RR) bool {
 	return true
 }
 
+func (r1 *SVCB) isDuplicate(_r2 RR) bool {
+	r2, ok := _r2.(*SVCB)
+	if !ok {
+		return false
+	}
+	_ = r2
+	if r1.Priority != r2.Priority {
+		return false
+	}
+	if !isDuplicateName(r1.Target, r2.Target) {
+		return false
+	}
+	if len(r1.Value) != len(r2.Value) {
+		return false
+	}
+	if !areSVCBPairArraysEqual(r1.Value, r2.Value) {
+		return false
+	}
+	return true
+}
+
 func (r1 *TA) isDuplicate(_r2 RR) bool {
 	r2, ok := _r2.(*TA)
 	if !ok {
@@ -966,10 +1145,10 @@ func (r1 *TALINK) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.PreviousName, r2.PreviousName) {
+	if !isDuplicateName(r1.PreviousName, r2.PreviousName) {
 		return false
 	}
-	if !isDulicateName(r1.NextName, r2.NextName) {
+	if !isDuplicateName(r1.NextName, r2.NextName) {
 		return false
 	}
 	return true
@@ -981,7 +1160,7 @@ func (r1 *TKEY) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Algorithm, r2.Algorithm) {
+	if !isDuplicateName(r1.Algorithm, r2.Algorithm) {
 		return false
 	}
 	if r1.Inception != r2.Inception {
@@ -1038,7 +1217,7 @@ func (r1 *TSIG) isDuplicate(_r2 RR) bool {
 		return false
 	}
 	_ = r2
-	if !isDulicateName(r1.Algorithm, r2.Algorithm) {
+	if !isDuplicateName(r1.Algorithm, r2.Algorithm) {
 		return false
 	}
 	if r1.TimeSigned != r2.TimeSigned {