[chore]: Bump github.com/miekg/dns from 1.1.51 to 1.1.52 (#1636)

Bumps [github.com/miekg/dns](https://github.com/miekg/dns) from 1.1.51 to 1.1.52.
- [Release notes](https://github.com/miekg/dns/releases)
- [Changelog](https://github.com/miekg/dns/blob/master/Makefile.release)
- [Commits](https://github.com/miekg/dns/compare/v1.1.51...v1.1.52)

---
updated-dependencies:
- dependency-name: github.com/miekg/dns
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -35,7 +35,7 @@ require (
 	github.com/jackc/pgconn v1.14.0
 	github.com/jackc/pgx/v4 v4.18.1
 	github.com/microcosm-cc/bluemonday v1.0.23
-	github.com/miekg/dns v1.1.51
+	github.com/miekg/dns v1.1.52
 	github.com/minio/minio-go/v7 v7.0.49
 	github.com/mitchellh/mapstructure v1.5.0
 	github.com/oklog/ulid v1.3.1

go.sum

@@ -444,8 +444,8 @@ github.com/mattn/go-isatty v0.0.17/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/
 github.com/mattn/go-sqlite3 v2.0.3+incompatible h1:gXHsfypPkaMZrKbD5209QV9jbUTJKjyR5WD3HYQSd+U=
 github.com/microcosm-cc/bluemonday v1.0.23 h1:SMZe2IGa0NuHvnVNAZ+6B38gsTbi5e4sViiWJyDDqFY=
 github.com/microcosm-cc/bluemonday v1.0.23/go.mod h1:mN70sk7UkkF8TUr2IGBpNN0jAgStuPzlK76QuruE/z4=
-github.com/miekg/dns v1.1.51 h1:0+Xg7vObnhrz/4ZCZcZh7zPXlmU0aveS2HDBd0m0qSo=
+github.com/miekg/dns v1.1.52 h1:Bmlc/qsNNULOe6bpXcUTsuOajd0DzRHwup6D9k1An0c=
-github.com/miekg/dns v1.1.51/go.mod h1:2Z9d3CP1LQWihRZUf29mQ19yDThaI4DAYzte2CaQW5c=
+github.com/miekg/dns v1.1.52/go.mod h1:uInx36IzPl7FYnDcMeVWxj9byh7DutNykX4G9Sj60FY=
 github.com/minio/md5-simd v1.1.2 h1:Gdi1DZK69+ZVMoNHRXJyNcxrMA4dSxoYHZSQbirFg34=
 github.com/minio/md5-simd v1.1.2/go.mod h1:MzdKDxYpY2BT9XQFocsiZf/NKVtR7nkE4RoEpN+20RM=
 github.com/minio/minio-go/v7 v7.0.49 h1:dE5DfOtnXMXCjr/HWI6zN9vCrY6Sv666qhhiwUMvGV4=
@@ -711,7 +711,6 @@ golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
-golang.org/x/mod v0.7.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/mod v0.8.0 h1:LUYupSeNrTNCGzR/hVBk2NHZO4hXcVaW1k4Qx7rjPx8=
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -750,7 +749,6 @@ golang.org/x/net v0.0.0-20201209123823-ac852fbbde11/go.mod h1:m0MpNAwzfU5UDzcl9v
 golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY=
 golang.org/x/net v0.3.0/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
 golang.org/x/net v0.4.0/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
@@ -841,7 +839,6 @@ golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
@@ -849,7 +846,6 @@ golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
 golang.org/x/term v0.3.0/go.mod h1:q750SLmJuPmVoN1blW3UFBPREJfb1KmY3vwxfr+nFDA=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
 golang.org/x/term v0.6.0 h1:clScbb1cHjoCkyRbWwBEUZ5H/tIFu5TAXIqaZD0Gcjw=
@@ -861,7 +857,6 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.5.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
@@ -925,7 +920,6 @@ golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4f
 golang.org/x/tools v0.0.0-20210108195828-e2f9c7f1fc8e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.3.0/go.mod h1:/rWhSS2+zyEVwoJf8YAX6L2f0ntZ7Kn/mGgAWcipA5k=
 golang.org/x/tools v0.6.0 h1:BOw41kyTf3PuCW1pVQf8+Cyg8pMlkYB1oo9iJ6D/lKM=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

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

@@ -106,7 +106,6 @@ func (c *Client) Dial(address string) (conn *Conn, err error) {
 }
 
 // DialContext connects to the address on the named network, with a context.Context.
-// For TLS over TCP (DoT) the context isn't used yet. This will be enabled when Go 1.18 is released.
 func (c *Client) DialContext(ctx context.Context, address string) (conn *Conn, err error) {
 	// create a new dialer with the appropriate timeout
 	var d net.Dialer
@@ -127,15 +126,11 @@ func (c *Client) DialContext(ctx context.Context, address string) (conn *Conn, e
 	if useTLS {
 		network = strings.TrimSuffix(network, "-tls")
 
-		// TODO(miekg): Enable after Go 1.18 is released, to be able to support two prev. releases.
+		tlsDialer := tls.Dialer{
-		/*
+			NetDialer: &d,
-			tlsDialer := tls.Dialer{
+			Config:    c.TLSConfig,
-				NetDialer: &d,
+		}
-				Config:    c.TLSConfig,
+		conn.Conn, err = tlsDialer.DialContext(ctx, network, address)
-			}
-			conn.Conn, err = tlsDialer.DialContext(ctx, network, address)
-		*/
-		conn.Conn, err = tls.DialWithDialer(&d, network, address, c.TLSConfig)
 	} else {
 		conn.Conn, err = d.DialContext(ctx, network, address)
 	}

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

@@ -68,7 +68,7 @@ func ClientConfigFromReader(resolvconf io.Reader) (*ClientConfig, error) {
 			}
 
 		case "search": // set search path to given servers
-			c.Search = append([]string(nil), f[1:]...)
+			c.Search = cloneSlice(f[1:])
 
 		case "options": // magic options
 			for _, s := range f[1:] {

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

@@ -263,7 +263,7 @@ func (e *EDNS0_NSID) copy() EDNS0           { return &EDNS0_NSID{e.Code, e.Nsid}
 //	o.Hdr.Name = "."
 //	o.Hdr.Rrtype = dns.TypeOPT
 //	e := new(dns.EDNS0_SUBNET)
-//	e.Code = dns.EDNS0SUBNET // by default this is filled in through unpacking OPT packets (unpackDataOpt)  
+//	e.Code = dns.EDNS0SUBNET // by default this is filled in through unpacking OPT packets (unpackDataOpt)
 //	e.Family = 1	// 1 for IPv4 source address, 2 for IPv6
 //	e.SourceNetmask = 32	// 32 for IPV4, 128 for IPv6
 //	e.SourceScope = 0
@@ -520,8 +520,8 @@ type EDNS0_DAU struct {
 
 // Option implements the EDNS0 interface.
 func (e *EDNS0_DAU) Option() uint16        { return EDNS0DAU }
-func (e *EDNS0_DAU) pack() ([]byte, error) { return e.AlgCode, nil }
+func (e *EDNS0_DAU) pack() ([]byte, error) { return cloneSlice(e.AlgCode), nil }
-func (e *EDNS0_DAU) unpack(b []byte) error { e.AlgCode = b; return nil }
+func (e *EDNS0_DAU) unpack(b []byte) error { e.AlgCode = cloneSlice(b); return nil }
 
 func (e *EDNS0_DAU) String() string {
 	s := ""
@@ -544,8 +544,8 @@ type EDNS0_DHU struct {
 
 // Option implements the EDNS0 interface.
 func (e *EDNS0_DHU) Option() uint16        { return EDNS0DHU }
-func (e *EDNS0_DHU) pack() ([]byte, error) { return e.AlgCode, nil }
+func (e *EDNS0_DHU) pack() ([]byte, error) { return cloneSlice(e.AlgCode), nil }
-func (e *EDNS0_DHU) unpack(b []byte) error { e.AlgCode = b; return nil }
+func (e *EDNS0_DHU) unpack(b []byte) error { e.AlgCode = cloneSlice(b); return nil }
 
 func (e *EDNS0_DHU) String() string {
 	s := ""
@@ -568,8 +568,8 @@ type EDNS0_N3U struct {
 
 // Option implements the EDNS0 interface.
 func (e *EDNS0_N3U) Option() uint16        { return EDNS0N3U }
-func (e *EDNS0_N3U) pack() ([]byte, error) { return e.AlgCode, nil }
+func (e *EDNS0_N3U) pack() ([]byte, error) { return cloneSlice(e.AlgCode), nil }
-func (e *EDNS0_N3U) unpack(b []byte) error { e.AlgCode = b; return nil }
+func (e *EDNS0_N3U) unpack(b []byte) error { e.AlgCode = cloneSlice(b); return nil }
 
 func (e *EDNS0_N3U) String() string {
 	// Re-use the hash map
@@ -646,30 +646,21 @@ type EDNS0_LOCAL struct {
 
 // Option implements the EDNS0 interface.
 func (e *EDNS0_LOCAL) Option() uint16 { return e.Code }
+
 func (e *EDNS0_LOCAL) String() string {
 	return strconv.FormatInt(int64(e.Code), 10) + ":0x" + hex.EncodeToString(e.Data)
 }
+
 func (e *EDNS0_LOCAL) copy() EDNS0 {
-	b := make([]byte, len(e.Data))
+	return &EDNS0_LOCAL{e.Code, cloneSlice(e.Data)}
-	copy(b, e.Data)
-	return &EDNS0_LOCAL{e.Code, b}
 }
 
 func (e *EDNS0_LOCAL) pack() ([]byte, error) {
-	b := make([]byte, len(e.Data))
+	return cloneSlice(e.Data), nil
-	copied := copy(b, e.Data)
-	if copied != len(e.Data) {
-		return nil, ErrBuf
-	}
-	return b, nil
 }
 
 func (e *EDNS0_LOCAL) unpack(b []byte) error {
-	e.Data = make([]byte, len(b))
+	e.Data = cloneSlice(b)
-	copied := copy(e.Data, b)
-	if copied != len(b) {
-		return ErrBuf
-	}
 	return nil
 }
 
@@ -732,14 +723,10 @@ type EDNS0_PADDING struct {
 
 // Option implements the EDNS0 interface.
 func (e *EDNS0_PADDING) Option() uint16        { return EDNS0PADDING }
-func (e *EDNS0_PADDING) pack() ([]byte, error) { return e.Padding, nil }
+func (e *EDNS0_PADDING) pack() ([]byte, error) { return cloneSlice(e.Padding), nil }
-func (e *EDNS0_PADDING) unpack(b []byte) error { e.Padding = b; return nil }
+func (e *EDNS0_PADDING) unpack(b []byte) error { e.Padding = cloneSlice(b); return nil }
 func (e *EDNS0_PADDING) String() string        { return fmt.Sprintf("%0X", e.Padding) }
-func (e *EDNS0_PADDING) copy() EDNS0 {
+func (e *EDNS0_PADDING) copy() EDNS0           { return &EDNS0_PADDING{cloneSlice(e.Padding)} }
-	b := make([]byte, len(e.Padding))
-	copy(b, e.Padding)
-	return &EDNS0_PADDING{b}
-}
 
 // Extended DNS Error Codes (RFC 8914).
 const (
@@ -826,7 +813,7 @@ func (e *EDNS0_EDE) String() string {
 func (e *EDNS0_EDE) pack() ([]byte, error) {
 	b := make([]byte, 2+len(e.ExtraText))
 	binary.BigEndian.PutUint16(b[0:], e.InfoCode)
-	copy(b[2:], []byte(e.ExtraText))
+	copy(b[2:], e.ExtraText)
 	return b, nil
 }
 

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

@@ -1,5 +1,5 @@
-//go:build !go1.11 || (!aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd)
+//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd
-// +build !go1.11 !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd
+// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd
 
 package dns
 

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

@@ -1,5 +1,4 @@
-//go:build go1.11 && (aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd)
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd
-// +build go1.11
 // +build aix darwin dragonfly freebsd linux netbsd openbsd
 
 package dns

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

@@ -448,7 +448,7 @@ func UnpackDomainName(msg []byte, off int) (string, int, error) {
 	return string(s), off1, nil
 }
 
-func packTxt(txt []string, msg []byte, offset int, tmp []byte) (int, error) {
+func packTxt(txt []string, msg []byte, offset int) (int, error) {
 	if len(txt) == 0 {
 		if offset >= len(msg) {
 			return offset, ErrBuf
@@ -458,10 +458,7 @@ func packTxt(txt []string, msg []byte, offset int, tmp []byte) (int, error) {
 	}
 	var err error
 	for _, s := range txt {
-		if len(s) > len(tmp) {
+		offset, err = packTxtString(s, msg, offset)
-			return offset, ErrBuf
-		}
-		offset, err = packTxtString(s, msg, offset, tmp)
 		if err != nil {
 			return offset, err
 		}
@@ -469,32 +466,30 @@ func packTxt(txt []string, msg []byte, offset int, tmp []byte) (int, error) {
 	return offset, nil
 }
 
-func packTxtString(s string, msg []byte, offset int, tmp []byte) (int, error) {
+func packTxtString(s string, msg []byte, offset int) (int, error) {
 	lenByteOffset := offset
-	if offset >= len(msg) || len(s) > len(tmp) {
+	if offset >= len(msg) || len(s) > 256*4+1 /* If all \DDD */ {
 		return offset, ErrBuf
 	}
 	offset++
-	bs := tmp[:len(s)]
+	for i := 0; i < len(s); i++ {
-	copy(bs, s)
-	for i := 0; i < len(bs); i++ {
 		if len(msg) <= offset {
 			return offset, ErrBuf
 		}
-		if bs[i] == '\\' {
+		if s[i] == '\\' {
 			i++
-			if i == len(bs) {
+			if i == len(s) {
 				break
 			}
 			// check for \DDD
-			if i+2 < len(bs) && isDigit(bs[i]) && isDigit(bs[i+1]) && isDigit(bs[i+2]) {
+			if i+2 < len(s) && isDigit(s[i]) && isDigit(s[i+1]) && isDigit(s[i+2]) {
-				msg[offset] = dddToByte(bs[i:])
+				msg[offset] = dddStringToByte(s[i:])
 				i += 2
 			} else {
-				msg[offset] = bs[i]
+				msg[offset] = s[i]
 			}
 		} else {
-			msg[offset] = bs[i]
+			msg[offset] = s[i]
 		}
 		offset++
 	}
@@ -1065,8 +1060,8 @@ func (dns *Msg) CopyTo(r1 *Msg) *Msg {
 	r1.Compress = dns.Compress
 
 	if len(dns.Question) > 0 {
-		r1.Question = make([]Question, len(dns.Question))
+		// TODO(miek): Question is an immutable value, ok to do a shallow-copy
-		copy(r1.Question, dns.Question) // TODO(miek): Question is an immutable value, ok to do a shallow-copy
+		r1.Question = cloneSlice(dns.Question)
 	}
 
 	rrArr := make([]RR, len(dns.Answer)+len(dns.Ns)+len(dns.Extra))

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

@@ -299,8 +299,7 @@ func unpackString(msg []byte, off int) (string, int, error) {
 }
 
 func packString(s string, msg []byte, off int) (int, error) {
-	txtTmp := make([]byte, 256*4+1)
+	off, err := packTxtString(s, msg, off)
-	off, err := packTxtString(s, msg, off, txtTmp)
 	if err != nil {
 		return len(msg), err
 	}
@@ -402,8 +401,7 @@ func unpackStringTxt(msg []byte, off int) ([]string, int, error) {
 }
 
 func packStringTxt(s []string, msg []byte, off int) (int, error) {
-	txtTmp := make([]byte, 256*4+1) // If the whole string consists out of \DDD we need this many.
+	off, err := packTxt(s, msg, off)
-	off, err := packTxt(s, msg, off, txtTmp)
 	if err != nil {
 		return len(msg), err
 	}
@@ -625,7 +623,7 @@ func unpackDataSVCB(msg []byte, off int) ([]SVCBKeyValue, int, error) {
 }
 
 func packDataSVCB(pairs []SVCBKeyValue, msg []byte, off int) (int, error) {
-	pairs = append([]SVCBKeyValue(nil), pairs...)
+	pairs = cloneSlice(pairs)
 	sort.Slice(pairs, func(i, j int) bool {
 		return pairs[i].Key() < pairs[j].Key()
 	})

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

@@ -1249,7 +1249,7 @@ func (rr *IPSECKEY) parse(c *zlexer, o string) *ParseError {
 
 	rr.GatewayAddr, rr.GatewayHost, err = parseAddrHostUnion(l.token, o, rr.GatewayType)
 	if err != nil {
-		return &ParseError{"", "AMTRELAY " + err.Error(), l}
+		return &ParseError{"", "IPSECKEY " + err.Error(), l}
 	}
 
 	c.Next() // zBlank

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

@@ -224,7 +224,7 @@ type Server struct {
 	// Maximum number of TCP queries before we close the socket. Default is maxTCPQueries (unlimited if -1).
 	MaxTCPQueries int
 	// Whether to set the SO_REUSEPORT socket option, allowing multiple listeners to be bound to a single address.
-	// It is only supported on go1.11+ and when using ListenAndServe.
+	// It is only supported on certain GOOSes and when using ListenAndServe.
 	ReusePort bool
 	// AcceptMsgFunc will check the incoming message and will reject it early in the process.
 	// By default DefaultMsgAcceptFunc will be used.

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

@@ -289,7 +289,7 @@ func (s *SVCBMandatory) String() string {
 }
 
 func (s *SVCBMandatory) pack() ([]byte, error) {
-	codes := append([]SVCBKey(nil), s.Code...)
+	codes := cloneSlice(s.Code)
 	sort.Slice(codes, func(i, j int) bool {
 		return codes[i] < codes[j]
 	})
@@ -328,9 +328,7 @@ func (s *SVCBMandatory) len() int {
 }
 
 func (s *SVCBMandatory) copy() SVCBKeyValue {
-	return &SVCBMandatory{
+	return &SVCBMandatory{cloneSlice(s.Code)}
-		append([]SVCBKey(nil), s.Code...),
-	}
 }
 
 // SVCBAlpn pair is used to list supported connection protocols.
@@ -481,9 +479,7 @@ func (s *SVCBAlpn) len() int {
 }
 
 func (s *SVCBAlpn) copy() SVCBKeyValue {
-	return &SVCBAlpn{
+	return &SVCBAlpn{cloneSlice(s.Alpn)}
-		append([]string(nil), s.Alpn...),
-	}
 }
 
 // SVCBNoDefaultAlpn pair signifies no support for default connection protocols.
@@ -595,6 +591,7 @@ func (s *SVCBIPv4Hint) unpack(b []byte) error {
 	if len(b) == 0 || len(b)%4 != 0 {
 		return errors.New("dns: svcbipv4hint: ipv4 address byte array length is not a multiple of 4")
 	}
+	b = cloneSlice(b)
 	x := make([]net.IP, 0, len(b)/4)
 	for i := 0; i < len(b); i += 4 {
 		x = append(x, net.IP(b[i:i+4]))
@@ -635,12 +632,9 @@ func (s *SVCBIPv4Hint) parse(b string) error {
 func (s *SVCBIPv4Hint) copy() SVCBKeyValue {
 	hint := make([]net.IP, len(s.Hint))
 	for i, ip := range s.Hint {
-		hint[i] = copyIP(ip)
+		hint[i] = cloneSlice(ip)
-	}
-
-	return &SVCBIPv4Hint{
-		Hint: hint,
 	}
+	return &SVCBIPv4Hint{Hint: hint}
 }
 
 // SVCBECHConfig pair contains the ECHConfig structure defined in draft-ietf-tls-esni [RFC xxxx].
@@ -660,19 +654,18 @@ func (s *SVCBECHConfig) String() string { return toBase64(s.ECH) }
 func (s *SVCBECHConfig) len() int       { return len(s.ECH) }
 
 func (s *SVCBECHConfig) pack() ([]byte, error) {
-	return append([]byte(nil), s.ECH...), nil
+	return cloneSlice(s.ECH), nil
 }
 
 func (s *SVCBECHConfig) copy() SVCBKeyValue {
-	return &SVCBECHConfig{
+	return &SVCBECHConfig{cloneSlice(s.ECH)}
-		append([]byte(nil), s.ECH...),
-	}
 }
 
 func (s *SVCBECHConfig) unpack(b []byte) error {
-	s.ECH = append([]byte(nil), b...)
+	s.ECH = cloneSlice(b)
 	return nil
 }
+
 func (s *SVCBECHConfig) parse(b string) error {
 	x, err := fromBase64([]byte(b))
 	if err != nil {
@@ -715,6 +708,7 @@ func (s *SVCBIPv6Hint) unpack(b []byte) error {
 	if len(b) == 0 || len(b)%16 != 0 {
 		return errors.New("dns: svcbipv6hint: ipv6 address byte array length not a multiple of 16")
 	}
+	b = cloneSlice(b)
 	x := make([]net.IP, 0, len(b)/16)
 	for i := 0; i < len(b); i += 16 {
 		ip := net.IP(b[i : i+16])
@@ -758,12 +752,9 @@ func (s *SVCBIPv6Hint) parse(b string) error {
 func (s *SVCBIPv6Hint) copy() SVCBKeyValue {
 	hint := make([]net.IP, len(s.Hint))
 	for i, ip := range s.Hint {
-		hint[i] = copyIP(ip)
+		hint[i] = cloneSlice(ip)
-	}
-
-	return &SVCBIPv6Hint{
-		Hint: hint,
 	}
+	return &SVCBIPv6Hint{Hint: hint}
 }
 
 // SVCBDoHPath pair is used to indicate the URI template that the
@@ -831,11 +822,11 @@ type SVCBLocal struct {
 
 func (s *SVCBLocal) Key() SVCBKey          { return s.KeyCode }
 func (s *SVCBLocal) String() string        { return svcbParamToStr(s.Data) }
-func (s *SVCBLocal) pack() ([]byte, error) { return append([]byte(nil), s.Data...), nil }
+func (s *SVCBLocal) pack() ([]byte, error) { return cloneSlice(s.Data), nil }
 func (s *SVCBLocal) len() int              { return len(s.Data) }
 
 func (s *SVCBLocal) unpack(b []byte) error {
-	s.Data = append([]byte(nil), b...)
+	s.Data = cloneSlice(b)
 	return nil
 }
 
@@ -849,9 +840,7 @@ func (s *SVCBLocal) parse(b string) error {
 }
 
 func (s *SVCBLocal) copy() SVCBKeyValue {
-	return &SVCBLocal{s.KeyCode,
+	return &SVCBLocal{s.KeyCode, cloneSlice(s.Data)}
-		append([]byte(nil), s.Data...),
-	}
 }
 
 func (rr *SVCB) String() string {
@@ -867,8 +856,8 @@ func (rr *SVCB) String() string {
 // areSVCBPairArraysEqual checks if SVCBKeyValue arrays are equal after sorting their
 // copies. arrA and arrB have equal lengths, otherwise zduplicate.go wouldn't call this function.
 func areSVCBPairArraysEqual(a []SVCBKeyValue, b []SVCBKeyValue) bool {
-	a = append([]SVCBKeyValue(nil), a...)
+	a = cloneSlice(a)
-	b = append([]SVCBKeyValue(nil), b...)
+	b = cloneSlice(b)
 	sort.Slice(a, func(i, j int) bool { return a[i].Key() < a[j].Key() })
 	sort.Slice(b, func(i, j int) bool { return b[i].Key() < b[j].Key() })
 	for i, e := range a {

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

@@ -1531,7 +1531,7 @@ func (a *APLPrefix) str() string {
 // equals reports whether two APL prefixes are identical.
 func (a *APLPrefix) equals(b *APLPrefix) bool {
 	return a.Negation == b.Negation &&
-		bytes.Equal(a.Network.IP, b.Network.IP) &&
+		a.Network.IP.Equal(b.Network.IP) &&
 		bytes.Equal(a.Network.Mask, b.Network.Mask)
 }
 
@@ -1599,21 +1599,19 @@ func euiToString(eui uint64, bits int) (hex string) {
 	return
 }
 
-// copyIP returns a copy of ip.
+// cloneSlice returns a shallow copy of s.
-func copyIP(ip net.IP) net.IP {
+func cloneSlice[E any, S ~[]E](s S) S {
-	p := make(net.IP, len(ip))
+	if s == nil {
-	copy(p, ip)
+		return nil
-	return p
+	}
+	return append(S(nil), s...)
 }
 
 // copyNet returns a copy of a subnet.
 func copyNet(n net.IPNet) net.IPNet {
-	m := make(net.IPMask, len(n.Mask))
-	copy(m, n.Mask)
-
 	return net.IPNet{
-		IP:   copyIP(n.IP),
+		IP:   cloneSlice(n.IP),
-		Mask: m,
+		Mask: cloneSlice(n.Mask),
 	}
 }
 

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

@@ -1,6 +1,9 @@
 //go:build windows
 // +build windows
 
+// TODO(tmthrgd): Remove this Windows-specific code if go.dev/issue/7175 and
+//   go.dev/issue/7174 are ever fixed.
+
 package dns
 
 import "net"
@@ -15,7 +18,6 @@ func (s *SessionUDP) RemoteAddr() net.Addr { return s.raddr }
 
 // ReadFromSessionUDP acts just like net.UDPConn.ReadFrom(), but returns a session object instead of a
 // net.UDPAddr.
-// TODO(fastest963): Once go1.10 is released, use ReadMsgUDP.
 func ReadFromSessionUDP(conn *net.UDPConn, b []byte) (int, *SessionUDP, error) {
 	n, raddr, err := conn.ReadFrom(b)
 	if err != nil {
@@ -25,12 +27,9 @@ func ReadFromSessionUDP(conn *net.UDPConn, b []byte) (int, *SessionUDP, error) {
 }
 
 // WriteToSessionUDP acts just like net.UDPConn.WriteTo(), but uses a *SessionUDP instead of a net.Addr.
-// TODO(fastest963): Once go1.10 is released, use WriteMsgUDP.
 func WriteToSessionUDP(conn *net.UDPConn, b []byte, session *SessionUDP) (int, error) {
 	return conn.WriteTo(b, session.raddr)
 }
 
-// TODO(fastest963): Once go1.10 is released and we can use *MsgUDP methods
-// use the standard method in udp.go for these.
 func setUDPSocketOptions(*net.UDPConn) error { return nil }
 func parseDstFromOOB([]byte, net.IP) net.IP  { return nil }

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

@@ -3,7 +3,7 @@
 import "fmt"
 
 // Version is current version of this library.
-var Version = v{1, 1, 51}
+var Version = v{1, 1, 52}
 
 // v holds the version of this library.
 type v struct {

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

@@ -263,6 +263,7 @@ func (rr *A) len(off int, compression map[string]struct{}) int {
 	}
 	return l
 }
+
 func (rr *AAAA) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	if len(rr.AAAA) != 0 {
@@ -270,12 +271,14 @@ func (rr *AAAA) len(off int, compression map[string]struct{}) int {
 	}
 	return l
 }
+
 func (rr *AFSDB) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Subtype
 	l += domainNameLen(rr.Hostname, off+l, compression, false)
 	return l
 }
+
 func (rr *AMTRELAY) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l++ // Precedence
@@ -290,10 +293,12 @@ func (rr *AMTRELAY) len(off int, compression map[string]struct{}) int {
 	}
 	return l
 }
+
 func (rr *ANY) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	return l
 }
+
 func (rr *APL) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	for _, x := range rr.Prefixes {
@@ -301,6 +306,7 @@ func (rr *APL) len(off int, compression map[string]struct{}) int {
 	}
 	return l
 }
+
 func (rr *AVC) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	for _, x := range rr.Txt {
@@ -308,6 +314,7 @@ func (rr *AVC) len(off int, compression map[string]struct{}) int {
 	}
 	return l
 }
+
 func (rr *CAA) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l++ // Flag
@@ -315,6 +322,7 @@ func (rr *CAA) len(off int, compression map[string]struct{}) int {
 	l += len(rr.Value)
 	return l
 }
+
 func (rr *CERT) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Type
@@ -323,21 +331,25 @@ func (rr *CERT) len(off int, compression map[string]struct{}) int {
 	l += base64.StdEncoding.DecodedLen(len(rr.Certificate))
 	return l
 }
+
 func (rr *CNAME) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Target, off+l, compression, true)
 	return l
 }
+
 func (rr *DHCID) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += base64.StdEncoding.DecodedLen(len(rr.Digest))
 	return l
 }
+
 func (rr *DNAME) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Target, off+l, compression, false)
 	return l
 }
+
 func (rr *DNSKEY) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Flags
@@ -346,6 +358,7 @@ func (rr *DNSKEY) len(off int, compression map[string]struct{}) int {
 	l += base64.StdEncoding.DecodedLen(len(rr.PublicKey))
 	return l
 }
+
 func (rr *DS) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // KeyTag
@@ -354,26 +367,31 @@ func (rr *DS) len(off int, compression map[string]struct{}) int {
 	l += len(rr.Digest) / 2
 	return l
 }
+
 func (rr *EID) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += len(rr.Endpoint) / 2
 	return l
 }
+
 func (rr *EUI48) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 6 // Address
 	return l
 }
+
 func (rr *EUI64) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 8 // Address
 	return l
 }
+
 func (rr *GID) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 4 // Gid
 	return l
 }
+
 func (rr *GPOS) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += len(rr.Longitude) + 1
@@ -381,12 +399,14 @@ func (rr *GPOS) len(off int, compression map[string]struct{}) int {
 	l += len(rr.Altitude) + 1
 	return l
 }
+
 func (rr *HINFO) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += len(rr.Cpu) + 1
 	l += len(rr.Os) + 1
 	return l
 }
+
 func (rr *HIP) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l++    // HitLength
@@ -399,6 +419,7 @@ func (rr *HIP) len(off int, compression map[string]struct{}) int {
 	}
 	return l
 }
+
 func (rr *IPSECKEY) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l++ // Precedence
@@ -415,12 +436,14 @@ func (rr *IPSECKEY) len(off int, compression map[string]struct{}) int {
 	l += base64.StdEncoding.DecodedLen(len(rr.PublicKey))
 	return l
 }
+
 func (rr *KX) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Preference
 	l += domainNameLen(rr.Exchanger, off+l, compression, false)
 	return l
 }
+
 func (rr *L32) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Preference
@@ -429,12 +452,14 @@ func (rr *L32) len(off int, compression map[string]struct{}) int {
 	}
 	return l
 }
+
 func (rr *L64) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Preference
 	l += 8 // Locator64
 	return l
 }
+
 func (rr *LOC) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l++    // Version
@@ -446,49 +471,58 @@ func (rr *LOC) len(off int, compression map[string]struct{}) int {
 	l += 4 // Altitude
 	return l
 }
+
 func (rr *LP) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Preference
 	l += domainNameLen(rr.Fqdn, off+l, compression, false)
 	return l
 }
+
 func (rr *MB) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Mb, off+l, compression, true)
 	return l
 }
+
 func (rr *MD) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Md, off+l, compression, true)
 	return l
 }
+
 func (rr *MF) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Mf, off+l, compression, true)
 	return l
 }
+
 func (rr *MG) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Mg, off+l, compression, true)
 	return l
 }
+
 func (rr *MINFO) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Rmail, off+l, compression, true)
 	l += domainNameLen(rr.Email, off+l, compression, true)
 	return l
 }
+
 func (rr *MR) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Mr, off+l, compression, true)
 	return l
 }
+
 func (rr *MX) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Preference
 	l += domainNameLen(rr.Mx, off+l, compression, true)
 	return l
 }
+
 func (rr *NAPTR) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Order
@@ -499,17 +533,20 @@ func (rr *NAPTR) len(off int, compression map[string]struct{}) int {
 	l += domainNameLen(rr.Replacement, off+l, compression, false)
 	return l
 }
+
 func (rr *NID) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Preference
 	l += 8 // NodeID
 	return l
 }
+
 func (rr *NIMLOC) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += len(rr.Locator) / 2
 	return l
 }
+
 func (rr *NINFO) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	for _, x := range rr.ZSData {
@@ -517,16 +554,19 @@ func (rr *NINFO) len(off int, compression map[string]struct{}) int {
 	}
 	return l
 }
+
 func (rr *NS) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Ns, off+l, compression, true)
 	return l
 }
+
 func (rr *NSAPPTR) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Ptr, off+l, compression, false)
 	return l
 }
+
 func (rr *NSEC3PARAM) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l++    // Hash
@@ -536,21 +576,25 @@ func (rr *NSEC3PARAM) len(off int, compression map[string]struct{}) int {
 	l += len(rr.Salt) / 2
 	return l
 }
+
 func (rr *NULL) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += len(rr.Data)
 	return l
 }
+
 func (rr *OPENPGPKEY) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += base64.StdEncoding.DecodedLen(len(rr.PublicKey))
 	return l
 }
+
 func (rr *PTR) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Ptr, off+l, compression, true)
 	return l
 }
+
 func (rr *PX) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Preference
@@ -558,11 +602,13 @@ func (rr *PX) len(off int, compression map[string]struct{}) int {
 	l += domainNameLen(rr.Mapx400, off+l, compression, false)
 	return l
 }
+
 func (rr *RFC3597) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += len(rr.Rdata) / 2
 	return l
 }
+
 func (rr *RKEY) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Flags
@@ -571,12 +617,14 @@ func (rr *RKEY) len(off int, compression map[string]struct{}) int {
 	l += base64.StdEncoding.DecodedLen(len(rr.PublicKey))
 	return l
 }
+
 func (rr *RP) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Mbox, off+l, compression, false)
 	l += domainNameLen(rr.Txt, off+l, compression, false)
 	return l
 }
+
 func (rr *RRSIG) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // TypeCovered
@@ -590,12 +638,14 @@ func (rr *RRSIG) len(off int, compression map[string]struct{}) int {
 	l += base64.StdEncoding.DecodedLen(len(rr.Signature))
 	return l
 }
+
 func (rr *RT) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Preference
 	l += domainNameLen(rr.Host, off+l, compression, false)
 	return l
 }
+
 func (rr *SMIMEA) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l++ // Usage
@@ -604,6 +654,7 @@ func (rr *SMIMEA) len(off int, compression map[string]struct{}) int {
 	l += len(rr.Certificate) / 2
 	return l
 }
+
 func (rr *SOA) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Ns, off+l, compression, true)
@@ -615,6 +666,7 @@ func (rr *SOA) len(off int, compression map[string]struct{}) int {
 	l += 4 // Minttl
 	return l
 }
+
 func (rr *SPF) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	for _, x := range rr.Txt {
@@ -622,6 +674,7 @@ func (rr *SPF) len(off int, compression map[string]struct{}) int {
 	}
 	return l
 }
+
 func (rr *SRV) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Priority
@@ -630,6 +683,7 @@ func (rr *SRV) len(off int, compression map[string]struct{}) int {
 	l += domainNameLen(rr.Target, off+l, compression, false)
 	return l
 }
+
 func (rr *SSHFP) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l++ // Algorithm
@@ -637,6 +691,7 @@ func (rr *SSHFP) len(off int, compression map[string]struct{}) int {
 	l += len(rr.FingerPrint) / 2
 	return l
 }
+
 func (rr *SVCB) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Priority
@@ -646,6 +701,7 @@ func (rr *SVCB) len(off int, compression map[string]struct{}) int {
 	}
 	return l
 }
+
 func (rr *TA) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // KeyTag
@@ -654,12 +710,14 @@ func (rr *TA) len(off int, compression map[string]struct{}) int {
 	l += len(rr.Digest) / 2
 	return l
 }
+
 func (rr *TALINK) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.PreviousName, off+l, compression, false)
 	l += domainNameLen(rr.NextName, off+l, compression, false)
 	return l
 }
+
 func (rr *TKEY) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Algorithm, off+l, compression, false)
@@ -673,6 +731,7 @@ func (rr *TKEY) len(off int, compression map[string]struct{}) int {
 	l += len(rr.OtherData) / 2
 	return l
 }
+
 func (rr *TLSA) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l++ // Usage
@@ -681,6 +740,7 @@ func (rr *TLSA) len(off int, compression map[string]struct{}) int {
 	l += len(rr.Certificate) / 2
 	return l
 }
+
 func (rr *TSIG) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += domainNameLen(rr.Algorithm, off+l, compression, false)
@@ -694,6 +754,7 @@ func (rr *TSIG) len(off int, compression map[string]struct{}) int {
 	l += len(rr.OtherData) / 2
 	return l
 }
+
 func (rr *TXT) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	for _, x := range rr.Txt {
@@ -701,16 +762,19 @@ func (rr *TXT) len(off int, compression map[string]struct{}) int {
 	}
 	return l
 }
+
 func (rr *UID) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 4 // Uid
 	return l
 }
+
 func (rr *UINFO) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += len(rr.Uinfo) + 1
 	return l
 }
+
 func (rr *URI) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Priority
@@ -718,11 +782,13 @@ func (rr *URI) len(off int, compression map[string]struct{}) int {
 	l += len(rr.Target)
 	return l
 }
+
 func (rr *X25) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += len(rr.PSDNAddress) + 1
 	return l
 }
+
 func (rr *ZONEMD) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 4 // Serial
@@ -734,20 +800,31 @@ func (rr *ZONEMD) len(off int, compression map[string]struct{}) int {
 
 // copy() functions
 func (rr *A) copy() RR {
-	return &A{rr.Hdr, copyIP(rr.A)}
+	return &A{rr.Hdr, cloneSlice(rr.A)}
 }
+
 func (rr *AAAA) copy() RR {
-	return &AAAA{rr.Hdr, copyIP(rr.AAAA)}
+	return &AAAA{rr.Hdr, cloneSlice(rr.AAAA)}
 }
+
 func (rr *AFSDB) copy() RR {
 	return &AFSDB{rr.Hdr, rr.Subtype, rr.Hostname}
 }
+
 func (rr *AMTRELAY) copy() RR {
-	return &AMTRELAY{rr.Hdr, rr.Precedence, rr.GatewayType, copyIP(rr.GatewayAddr), rr.GatewayHost}
+	return &AMTRELAY{
+		rr.Hdr,
+		rr.Precedence,
+		rr.GatewayType,
+		cloneSlice(rr.GatewayAddr),
+		rr.GatewayHost,
+	}
 }
+
 func (rr *ANY) copy() RR {
 	return &ANY{rr.Hdr}
 }
+
 func (rr *APL) copy() RR {
 	Prefixes := make([]APLPrefix, len(rr.Prefixes))
 	for i, e := range rr.Prefixes {
@@ -755,153 +832,270 @@ func (rr *APL) copy() RR {
 	}
 	return &APL{rr.Hdr, Prefixes}
 }
+
 func (rr *AVC) copy() RR {
-	Txt := make([]string, len(rr.Txt))
+	return &AVC{rr.Hdr, cloneSlice(rr.Txt)}
-	copy(Txt, rr.Txt)
-	return &AVC{rr.Hdr, Txt}
 }
+
 func (rr *CAA) copy() RR {
-	return &CAA{rr.Hdr, rr.Flag, rr.Tag, rr.Value}
+	return &CAA{
+		rr.Hdr,
+		rr.Flag,
+		rr.Tag,
+		rr.Value,
+	}
 }
+
 func (rr *CDNSKEY) copy() RR {
 	return &CDNSKEY{*rr.DNSKEY.copy().(*DNSKEY)}
 }
+
 func (rr *CDS) copy() RR {
 	return &CDS{*rr.DS.copy().(*DS)}
 }
+
 func (rr *CERT) copy() RR {
-	return &CERT{rr.Hdr, rr.Type, rr.KeyTag, rr.Algorithm, rr.Certificate}
+	return &CERT{
+		rr.Hdr,
+		rr.Type,
+		rr.KeyTag,
+		rr.Algorithm,
+		rr.Certificate,
+	}
 }
+
 func (rr *CNAME) copy() RR {
 	return &CNAME{rr.Hdr, rr.Target}
 }
+
 func (rr *CSYNC) copy() RR {
-	TypeBitMap := make([]uint16, len(rr.TypeBitMap))
+	return &CSYNC{
-	copy(TypeBitMap, rr.TypeBitMap)
+		rr.Hdr,
-	return &CSYNC{rr.Hdr, rr.Serial, rr.Flags, TypeBitMap}
+		rr.Serial,
+		rr.Flags,
+		cloneSlice(rr.TypeBitMap),
+	}
 }
+
 func (rr *DHCID) copy() RR {
 	return &DHCID{rr.Hdr, rr.Digest}
 }
+
 func (rr *DLV) copy() RR {
 	return &DLV{*rr.DS.copy().(*DS)}
 }
+
 func (rr *DNAME) copy() RR {
 	return &DNAME{rr.Hdr, rr.Target}
 }
+
 func (rr *DNSKEY) copy() RR {
-	return &DNSKEY{rr.Hdr, rr.Flags, rr.Protocol, rr.Algorithm, rr.PublicKey}
+	return &DNSKEY{
+		rr.Hdr,
+		rr.Flags,
+		rr.Protocol,
+		rr.Algorithm,
+		rr.PublicKey,
+	}
 }
+
 func (rr *DS) copy() RR {
-	return &DS{rr.Hdr, rr.KeyTag, rr.Algorithm, rr.DigestType, rr.Digest}
+	return &DS{
+		rr.Hdr,
+		rr.KeyTag,
+		rr.Algorithm,
+		rr.DigestType,
+		rr.Digest,
+	}
 }
+
 func (rr *EID) copy() RR {
 	return &EID{rr.Hdr, rr.Endpoint}
 }
+
 func (rr *EUI48) copy() RR {
 	return &EUI48{rr.Hdr, rr.Address}
 }
+
 func (rr *EUI64) copy() RR {
 	return &EUI64{rr.Hdr, rr.Address}
 }
+
 func (rr *GID) copy() RR {
 	return &GID{rr.Hdr, rr.Gid}
 }
+
 func (rr *GPOS) copy() RR {
-	return &GPOS{rr.Hdr, rr.Longitude, rr.Latitude, rr.Altitude}
+	return &GPOS{
+		rr.Hdr,
+		rr.Longitude,
+		rr.Latitude,
+		rr.Altitude,
+	}
 }
+
 func (rr *HINFO) copy() RR {
 	return &HINFO{rr.Hdr, rr.Cpu, rr.Os}
 }
+
 func (rr *HIP) copy() RR {
-	RendezvousServers := make([]string, len(rr.RendezvousServers))
+	return &HIP{
-	copy(RendezvousServers, rr.RendezvousServers)
+		rr.Hdr,
-	return &HIP{rr.Hdr, rr.HitLength, rr.PublicKeyAlgorithm, rr.PublicKeyLength, rr.Hit, rr.PublicKey, RendezvousServers}
+		rr.HitLength,
+		rr.PublicKeyAlgorithm,
+		rr.PublicKeyLength,
+		rr.Hit,
+		rr.PublicKey,
+		cloneSlice(rr.RendezvousServers),
+	}
 }
+
 func (rr *HTTPS) copy() RR {
 	return &HTTPS{*rr.SVCB.copy().(*SVCB)}
 }
+
 func (rr *IPSECKEY) copy() RR {
-	return &IPSECKEY{rr.Hdr, rr.Precedence, rr.GatewayType, rr.Algorithm, copyIP(rr.GatewayAddr), rr.GatewayHost, rr.PublicKey}
+	return &IPSECKEY{
+		rr.Hdr,
+		rr.Precedence,
+		rr.GatewayType,
+		rr.Algorithm,
+		cloneSlice(rr.GatewayAddr),
+		rr.GatewayHost,
+		rr.PublicKey,
+	}
 }
+
 func (rr *KEY) copy() RR {
 	return &KEY{*rr.DNSKEY.copy().(*DNSKEY)}
 }
+
 func (rr *KX) copy() RR {
 	return &KX{rr.Hdr, rr.Preference, rr.Exchanger}
 }
+
 func (rr *L32) copy() RR {
-	return &L32{rr.Hdr, rr.Preference, copyIP(rr.Locator32)}
+	return &L32{rr.Hdr, rr.Preference, cloneSlice(rr.Locator32)}
 }
+
 func (rr *L64) copy() RR {
 	return &L64{rr.Hdr, rr.Preference, rr.Locator64}
 }
+
 func (rr *LOC) copy() RR {
-	return &LOC{rr.Hdr, rr.Version, rr.Size, rr.HorizPre, rr.VertPre, rr.Latitude, rr.Longitude, rr.Altitude}
+	return &LOC{
+		rr.Hdr,
+		rr.Version,
+		rr.Size,
+		rr.HorizPre,
+		rr.VertPre,
+		rr.Latitude,
+		rr.Longitude,
+		rr.Altitude,
+	}
 }
+
 func (rr *LP) copy() RR {
 	return &LP{rr.Hdr, rr.Preference, rr.Fqdn}
 }
+
 func (rr *MB) copy() RR {
 	return &MB{rr.Hdr, rr.Mb}
 }
+
 func (rr *MD) copy() RR {
 	return &MD{rr.Hdr, rr.Md}
 }
+
 func (rr *MF) copy() RR {
 	return &MF{rr.Hdr, rr.Mf}
 }
+
 func (rr *MG) copy() RR {
 	return &MG{rr.Hdr, rr.Mg}
 }
+
 func (rr *MINFO) copy() RR {
 	return &MINFO{rr.Hdr, rr.Rmail, rr.Email}
 }
+
 func (rr *MR) copy() RR {
 	return &MR{rr.Hdr, rr.Mr}
 }
+
 func (rr *MX) copy() RR {
 	return &MX{rr.Hdr, rr.Preference, rr.Mx}
 }
+
 func (rr *NAPTR) copy() RR {
-	return &NAPTR{rr.Hdr, rr.Order, rr.Preference, rr.Flags, rr.Service, rr.Regexp, rr.Replacement}
+	return &NAPTR{
+		rr.Hdr,
+		rr.Order,
+		rr.Preference,
+		rr.Flags,
+		rr.Service,
+		rr.Regexp,
+		rr.Replacement,
+	}
 }
+
 func (rr *NID) copy() RR {
 	return &NID{rr.Hdr, rr.Preference, rr.NodeID}
 }
+
 func (rr *NIMLOC) copy() RR {
 	return &NIMLOC{rr.Hdr, rr.Locator}
 }
+
 func (rr *NINFO) copy() RR {
-	ZSData := make([]string, len(rr.ZSData))
+	return &NINFO{rr.Hdr, cloneSlice(rr.ZSData)}
-	copy(ZSData, rr.ZSData)
-	return &NINFO{rr.Hdr, ZSData}
 }
+
 func (rr *NS) copy() RR {
 	return &NS{rr.Hdr, rr.Ns}
 }
+
 func (rr *NSAPPTR) copy() RR {
 	return &NSAPPTR{rr.Hdr, rr.Ptr}
 }
+
 func (rr *NSEC) copy() RR {
-	TypeBitMap := make([]uint16, len(rr.TypeBitMap))
+	return &NSEC{rr.Hdr, rr.NextDomain, cloneSlice(rr.TypeBitMap)}
-	copy(TypeBitMap, rr.TypeBitMap)
-	return &NSEC{rr.Hdr, rr.NextDomain, TypeBitMap}
 }
+
 func (rr *NSEC3) copy() RR {
-	TypeBitMap := make([]uint16, len(rr.TypeBitMap))
+	return &NSEC3{
-	copy(TypeBitMap, rr.TypeBitMap)
+		rr.Hdr,
-	return &NSEC3{rr.Hdr, rr.Hash, rr.Flags, rr.Iterations, rr.SaltLength, rr.Salt, rr.HashLength, rr.NextDomain, TypeBitMap}
+		rr.Hash,
+		rr.Flags,
+		rr.Iterations,
+		rr.SaltLength,
+		rr.Salt,
+		rr.HashLength,
+		rr.NextDomain,
+		cloneSlice(rr.TypeBitMap),
+	}
 }
+
 func (rr *NSEC3PARAM) copy() RR {
-	return &NSEC3PARAM{rr.Hdr, rr.Hash, rr.Flags, rr.Iterations, rr.SaltLength, rr.Salt}
+	return &NSEC3PARAM{
+		rr.Hdr,
+		rr.Hash,
+		rr.Flags,
+		rr.Iterations,
+		rr.SaltLength,
+		rr.Salt,
+	}
 }
+
 func (rr *NULL) copy() RR {
 	return &NULL{rr.Hdr, rr.Data}
 }
+
 func (rr *OPENPGPKEY) copy() RR {
 	return &OPENPGPKEY{rr.Hdr, rr.PublicKey}
 }
+
 func (rr *OPT) copy() RR {
 	Option := make([]EDNS0, len(rr.Option))
 	for i, e := range rr.Option {
@@ -909,86 +1103,205 @@ func (rr *OPT) copy() RR {
 	}
 	return &OPT{rr.Hdr, Option}
 }
+
 func (rr *PTR) copy() RR {
 	return &PTR{rr.Hdr, rr.Ptr}
 }
+
 func (rr *PX) copy() RR {
-	return &PX{rr.Hdr, rr.Preference, rr.Map822, rr.Mapx400}
+	return &PX{
+		rr.Hdr,
+		rr.Preference,
+		rr.Map822,
+		rr.Mapx400,
+	}
 }
+
 func (rr *RFC3597) copy() RR {
 	return &RFC3597{rr.Hdr, rr.Rdata}
 }
+
 func (rr *RKEY) copy() RR {
-	return &RKEY{rr.Hdr, rr.Flags, rr.Protocol, rr.Algorithm, rr.PublicKey}
+	return &RKEY{
+		rr.Hdr,
+		rr.Flags,
+		rr.Protocol,
+		rr.Algorithm,
+		rr.PublicKey,
+	}
 }
+
 func (rr *RP) copy() RR {
 	return &RP{rr.Hdr, rr.Mbox, rr.Txt}
 }
+
 func (rr *RRSIG) copy() RR {
-	return &RRSIG{rr.Hdr, rr.TypeCovered, rr.Algorithm, rr.Labels, rr.OrigTtl, rr.Expiration, rr.Inception, rr.KeyTag, rr.SignerName, rr.Signature}
+	return &RRSIG{
+		rr.Hdr,
+		rr.TypeCovered,
+		rr.Algorithm,
+		rr.Labels,
+		rr.OrigTtl,
+		rr.Expiration,
+		rr.Inception,
+		rr.KeyTag,
+		rr.SignerName,
+		rr.Signature,
+	}
 }
+
 func (rr *RT) copy() RR {
 	return &RT{rr.Hdr, rr.Preference, rr.Host}
 }
+
 func (rr *SIG) copy() RR {
 	return &SIG{*rr.RRSIG.copy().(*RRSIG)}
 }
+
 func (rr *SMIMEA) copy() RR {
-	return &SMIMEA{rr.Hdr, rr.Usage, rr.Selector, rr.MatchingType, rr.Certificate}
+	return &SMIMEA{
+		rr.Hdr,
+		rr.Usage,
+		rr.Selector,
+		rr.MatchingType,
+		rr.Certificate,
+	}
 }
+
 func (rr *SOA) copy() RR {
-	return &SOA{rr.Hdr, rr.Ns, rr.Mbox, rr.Serial, rr.Refresh, rr.Retry, rr.Expire, rr.Minttl}
+	return &SOA{
+		rr.Hdr,
+		rr.Ns,
+		rr.Mbox,
+		rr.Serial,
+		rr.Refresh,
+		rr.Retry,
+		rr.Expire,
+		rr.Minttl,
+	}
 }
+
 func (rr *SPF) copy() RR {
-	Txt := make([]string, len(rr.Txt))
+	return &SPF{rr.Hdr, cloneSlice(rr.Txt)}
-	copy(Txt, rr.Txt)
-	return &SPF{rr.Hdr, Txt}
 }
+
 func (rr *SRV) copy() RR {
-	return &SRV{rr.Hdr, rr.Priority, rr.Weight, rr.Port, rr.Target}
+	return &SRV{
+		rr.Hdr,
+		rr.Priority,
+		rr.Weight,
+		rr.Port,
+		rr.Target,
+	}
 }
+
 func (rr *SSHFP) copy() RR {
-	return &SSHFP{rr.Hdr, rr.Algorithm, rr.Type, rr.FingerPrint}
+	return &SSHFP{
+		rr.Hdr,
+		rr.Algorithm,
+		rr.Type,
+		rr.FingerPrint,
+	}
 }
+
 func (rr *SVCB) copy() RR {
 	Value := make([]SVCBKeyValue, len(rr.Value))
 	for i, e := range rr.Value {
 		Value[i] = e.copy()
 	}
-	return &SVCB{rr.Hdr, rr.Priority, rr.Target, Value}
+	return &SVCB{
+		rr.Hdr,
+		rr.Priority,
+		rr.Target,
+		Value,
+	}
 }
+
 func (rr *TA) copy() RR {
-	return &TA{rr.Hdr, rr.KeyTag, rr.Algorithm, rr.DigestType, rr.Digest}
+	return &TA{
+		rr.Hdr,
+		rr.KeyTag,
+		rr.Algorithm,
+		rr.DigestType,
+		rr.Digest,
+	}
 }
+
 func (rr *TALINK) copy() RR {
 	return &TALINK{rr.Hdr, rr.PreviousName, rr.NextName}
 }
+
 func (rr *TKEY) copy() RR {
-	return &TKEY{rr.Hdr, rr.Algorithm, rr.Inception, rr.Expiration, rr.Mode, rr.Error, rr.KeySize, rr.Key, rr.OtherLen, rr.OtherData}
+	return &TKEY{
+		rr.Hdr,
+		rr.Algorithm,
+		rr.Inception,
+		rr.Expiration,
+		rr.Mode,
+		rr.Error,
+		rr.KeySize,
+		rr.Key,
+		rr.OtherLen,
+		rr.OtherData,
+	}
 }
+
 func (rr *TLSA) copy() RR {
-	return &TLSA{rr.Hdr, rr.Usage, rr.Selector, rr.MatchingType, rr.Certificate}
+	return &TLSA{
+		rr.Hdr,
+		rr.Usage,
+		rr.Selector,
+		rr.MatchingType,
+		rr.Certificate,
+	}
 }
+
 func (rr *TSIG) copy() RR {
-	return &TSIG{rr.Hdr, rr.Algorithm, rr.TimeSigned, rr.Fudge, rr.MACSize, rr.MAC, rr.OrigId, rr.Error, rr.OtherLen, rr.OtherData}
+	return &TSIG{
+		rr.Hdr,
+		rr.Algorithm,
+		rr.TimeSigned,
+		rr.Fudge,
+		rr.MACSize,
+		rr.MAC,
+		rr.OrigId,
+		rr.Error,
+		rr.OtherLen,
+		rr.OtherData,
+	}
 }
+
 func (rr *TXT) copy() RR {
-	Txt := make([]string, len(rr.Txt))
+	return &TXT{rr.Hdr, cloneSlice(rr.Txt)}
-	copy(Txt, rr.Txt)
-	return &TXT{rr.Hdr, Txt}
 }
+
 func (rr *UID) copy() RR {
 	return &UID{rr.Hdr, rr.Uid}
 }
+
 func (rr *UINFO) copy() RR {
 	return &UINFO{rr.Hdr, rr.Uinfo}
 }
+
 func (rr *URI) copy() RR {
-	return &URI{rr.Hdr, rr.Priority, rr.Weight, rr.Target}
+	return &URI{
+		rr.Hdr,
+		rr.Priority,
+		rr.Weight,
+		rr.Target,
+	}
 }
+
 func (rr *X25) copy() RR {
 	return &X25{rr.Hdr, rr.PSDNAddress}
 }
+
 func (rr *ZONEMD) copy() RR {
-	return &ZONEMD{rr.Hdr, rr.Serial, rr.Scheme, rr.Hash, rr.Digest}
+	return &ZONEMD{
+		rr.Hdr,
+		rr.Serial,
+		rr.Scheme,
+		rr.Hash,
+		rr.Digest,
+	}
 }

vendor/modules.txt

@@ -350,8 +350,8 @@ github.com/mattn/go-isatty
 ## explicit; go 1.19
 github.com/microcosm-cc/bluemonday
 github.com/microcosm-cc/bluemonday/css
-# github.com/miekg/dns v1.1.51
+# github.com/miekg/dns v1.1.52
-## explicit; go 1.14
+## explicit; go 1.19
 github.com/miekg/dns
 # github.com/minio/md5-simd v1.1.2
 ## explicit; go 1.14