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vendor/github.com/miekg/dns/sig0.go
View file @ 2988b5a6
......@@ -2,9 +2,10 @@ package dns
import (
"crypto"
"crypto/dsa"
"crypto/ecdsa"
"crypto/ed25519"
"crypto/rsa"
"encoding/binary"
"math/big"
"strings"
"time"
......@@ -17,18 +18,14 @@ func (rr *SIG) Sign(k crypto.Signer, m *Msg) ([]byte, error) {
if k == nil {
return nil, ErrPrivKey
}
if rr.KeyTag == 0 || len(rr.SignerName) == 0 || rr.Algorithm == 0 {
if rr.KeyTag == 0 || rr.SignerName == "" || rr.Algorithm == 0 {
return nil, ErrKey
}
rr.Header().Rrtype = TypeSIG
rr.Header().Class = ClassANY
rr.Header().Ttl = 0
rr.Header().Name = "."
rr.OrigTtl = 0
rr.TypeCovered = 0
rr.Labels = 0
buf := make([]byte, m.Len()+rr.len())
rr.Hdr = RR_Header{Name: ".", Rrtype: TypeSIG, Class: ClassANY, Ttl: 0}
rr.OrigTtl, rr.TypeCovered, rr.Labels = 0, 0, 0
buf := make([]byte, m.Len()+Len(rr))
mbuf, err := m.PackBuffer(buf)
if err != nil {
return nil, err
......@@ -42,38 +39,36 @@ func (rr *SIG) Sign(k crypto.Signer, m *Msg) ([]byte, error) {
}
buf = buf[:off:cap(buf)]
hash, ok := AlgorithmToHash[rr.Algorithm]
if !ok {
return nil, ErrAlg
h, cryptohash, err := hashFromAlgorithm(rr.Algorithm)
if err != nil {
return nil, err
}
hasher := hash.New()
// Write SIG rdata
hasher.Write(buf[len(mbuf)+1+2+2+4+2:])
h.Write(buf[len(mbuf)+1+2+2+4+2:])
// Write message
hasher.Write(buf[:len(mbuf)])
h.Write(buf[:len(mbuf)])
signature, err := sign(k, hasher.Sum(nil), hash, rr.Algorithm)
signature, err := sign(k, h.Sum(nil), cryptohash, rr.Algorithm)
if err != nil {
return nil, err
}
rr.Signature = toBase64(signature)
sig := string(signature)
buf = append(buf, sig...)
buf = append(buf, signature...)
if len(buf) > int(^uint16(0)) {
return nil, ErrBuf
}
// Adjust sig data length
rdoff := len(mbuf) + 1 + 2 + 2 + 4
rdlen, _ := unpackUint16(buf, rdoff)
rdlen += uint16(len(sig))
buf[rdoff], buf[rdoff+1] = packUint16(rdlen)
rdlen := binary.BigEndian.Uint16(buf[rdoff:])
rdlen += uint16(len(signature))
binary.BigEndian.PutUint16(buf[rdoff:], rdlen)
// Adjust additional count
adc, _ := unpackUint16(buf, 10)
adc := binary.BigEndian.Uint16(buf[10:])
adc++
buf[10], buf[11] = packUint16(adc)
binary.BigEndian.PutUint16(buf[10:], adc)
return buf, nil
}
......@@ -83,31 +78,21 @@ func (rr *SIG) Verify(k *KEY, buf []byte) error {
if k == nil {
return ErrKey
}
if rr.KeyTag == 0 || len(rr.SignerName) == 0 || rr.Algorithm == 0 {
if rr.KeyTag == 0 || rr.SignerName == "" || rr.Algorithm == 0 {
return ErrKey
}
var hash crypto.Hash
switch rr.Algorithm {
case DSA, RSASHA1:
hash = crypto.SHA1
case RSASHA256, ECDSAP256SHA256:
hash = crypto.SHA256
case ECDSAP384SHA384:
hash = crypto.SHA384
case RSASHA512:
hash = crypto.SHA512
default:
return ErrAlg
}
hasher := hash.New()
h, cryptohash, err := hashFromAlgorithm(rr.Algorithm)
if err != nil {
return err
}
buflen := len(buf)
qdc, _ := unpackUint16(buf, 4)
anc, _ := unpackUint16(buf, 6)
auc, _ := unpackUint16(buf, 8)
adc, offset := unpackUint16(buf, 10)
var err error
qdc := binary.BigEndian.Uint16(buf[4:])
anc := binary.BigEndian.Uint16(buf[6:])
auc := binary.BigEndian.Uint16(buf[8:])
adc := binary.BigEndian.Uint16(buf[10:])
offset := headerSize
for i := uint16(0); i < qdc && offset < buflen; i++ {
_, offset, err = UnpackDomainName(buf, offset)
if err != nil {
......@@ -126,8 +111,8 @@ func (rr *SIG) Verify(k *KEY, buf []byte) error {
if offset+1 >= buflen {
continue
}
var rdlen uint16
rdlen, offset = unpackUint16(buf, offset)
rdlen := binary.BigEndian.Uint16(buf[offset:])
offset += 2
offset += int(rdlen)
}
if offset >= buflen {
......@@ -149,9 +134,9 @@ func (rr *SIG) Verify(k *KEY, buf []byte) error {
if offset+4+4 >= buflen {
return &Error{err: "overflow unpacking signed message"}
}
expire := uint32(buf[offset])<<24 | uint32(buf[offset+1])<<16 | uint32(buf[offset+2])<<8 | uint32(buf[offset+3])
expire := binary.BigEndian.Uint32(buf[offset:])
offset += 4
incept := uint32(buf[offset])<<24 | uint32(buf[offset+1])<<16 | uint32(buf[offset+2])<<8 | uint32(buf[offset+3])
incept := binary.BigEndian.Uint32(buf[offset:])
offset += 4
now := uint32(time.Now().Unix())
if now < incept || now > expire {
......@@ -166,51 +151,44 @@ func (rr *SIG) Verify(k *KEY, buf []byte) error {
}
// If key has come from the DNS name compression might
// have mangled the case of the name
if strings.ToLower(signername) != strings.ToLower(k.Header().Name) {
if !strings.EqualFold(signername, k.Header().Name) {
return &Error{err: "signer name doesn't match key name"}
}
sigend := offset
hasher.Write(buf[sigstart:sigend])
hasher.Write(buf[:10])
hasher.Write([]byte{
h.Write(buf[sigstart:sigend])
h.Write(buf[:10])
h.Write([]byte{
byte((adc - 1) << 8),
byte(adc - 1),
})
hasher.Write(buf[12:bodyend])
h.Write(buf[12:bodyend])
hashed := hasher.Sum(nil)
hashed := h.Sum(nil)
sig := buf[sigend:]
switch k.Algorithm {
case DSA:
pk := k.publicKeyDSA()
sig = sig[1:]
r := big.NewInt(0)
r.SetBytes(sig[:len(sig)/2])
s := big.NewInt(0)
s.SetBytes(sig[len(sig)/2:])
if pk != nil {
if dsa.Verify(pk, hashed, r, s) {
return nil
}
return ErrSig
}
case RSASHA1, RSASHA256, RSASHA512:
pk := k.publicKeyRSA()
if pk != nil {
return rsa.VerifyPKCS1v15(pk, hash, hashed, sig)
return rsa.VerifyPKCS1v15(pk, cryptohash, hashed, sig)
}
case ECDSAP256SHA256, ECDSAP384SHA384:
pk := k.publicKeyECDSA()
r := big.NewInt(0)
r.SetBytes(sig[:len(sig)/2])
s := big.NewInt(0)
s.SetBytes(sig[len(sig)/2:])
r := new(big.Int).SetBytes(sig[:len(sig)/2])
s := new(big.Int).SetBytes(sig[len(sig)/2:])
if pk != nil {
if ecdsa.Verify(pk, hashed, r, s) {
return nil
}
return ErrSig
}
case ED25519:
pk := k.publicKeyED25519()
if pk != nil {
if ed25519.Verify(pk, hashed, sig) {
return nil
}
return ErrSig
}
}
return ErrKeyAlg
}
vendor/github.com/miekg/dns/singleinflight.go
View file @ 2988b5a6
......@@ -23,6 +23,8 @@ type call struct {
type singleflight struct {
sync.Mutex // protects m
m map[string]*call // lazily initialized
dontDeleteForTesting bool // this is only to be used by TestConcurrentExchanges
}
// Do executes and returns the results of the given function, making
......@@ -49,9 +51,11 @@ func (g *singleflight) Do(key string, fn func() (*Msg, time.Duration, error)) (v
c.val, c.rtt, c.err = fn()
c.wg.Done()
g.Lock()
delete(g.m, key)
g.Unlock()
if !g.dontDeleteForTesting {
g.Lock()
delete(g.m, key)
g.Unlock()
}
return c.val, c.rtt, c.err, c.dups > 0
}
vendor/github.com/miekg/dns/smimea.go 0 → 100644
View file @ 2988b5a6
package dns
import (
"crypto/sha256"
"crypto/x509"
"encoding/hex"
)
// Sign creates a SMIMEA record from an SSL certificate.
func (r *SMIMEA) Sign(usage, selector, matchingType int, cert *x509.Certificate) (err error) {
r.Hdr.Rrtype = TypeSMIMEA
r.Usage = uint8(usage)
r.Selector = uint8(selector)
r.MatchingType = uint8(matchingType)
r.Certificate, err = CertificateToDANE(r.Selector, r.MatchingType, cert)
return err
}
// Verify verifies a SMIMEA record against an SSL certificate. If it is OK
// a nil error is returned.
func (r *SMIMEA) Verify(cert *x509.Certificate) error {
c, err := CertificateToDANE(r.Selector, r.MatchingType, cert)
if err != nil {
return err // Not also ErrSig?
}
if r.Certificate == c {
return nil
}
return ErrSig // ErrSig, really?
}
// SMIMEAName returns the ownername of a SMIMEA resource record as per the
// format specified in RFC 'draft-ietf-dane-smime-12' Section 2 and 3
func SMIMEAName(email, domain string) (string, error) {
hasher := sha256.New()
hasher.Write([]byte(email))
// RFC Section 3: "The local-part is hashed using the SHA2-256
// algorithm with the hash truncated to 28 octets and
// represented in its hexadecimal representation to become the
// left-most label in the prepared domain name"
return hex.EncodeToString(hasher.Sum(nil)[:28]) + "." + "_smimecert." + domain, nil
}
vendor/github.com/miekg/dns/svcb.go 0 → 100644
View file @ 2988b5a6
package dns
import (
"bytes"
"encoding/binary"
"errors"
"fmt"
"net"
"sort"
"strconv"
"strings"
)
// SVCBKey is the type of the keys used in the SVCB RR.
type SVCBKey uint16
// Keys defined in draft-ietf-dnsop-svcb-https-08 Section 14.3.2.
const (
SVCB_MANDATORY SVCBKey = iota
SVCB_ALPN
SVCB_NO_DEFAULT_ALPN
SVCB_PORT
SVCB_IPV4HINT
SVCB_ECHCONFIG
SVCB_IPV6HINT
SVCB_DOHPATH // draft-ietf-add-svcb-dns-02 Section 9
svcb_RESERVED SVCBKey = 65535
)
var svcbKeyToStringMap = map[SVCBKey]string{
SVCB_MANDATORY: "mandatory",
SVCB_ALPN: "alpn",
SVCB_NO_DEFAULT_ALPN: "no-default-alpn",
SVCB_PORT: "port",
SVCB_IPV4HINT: "ipv4hint",
SVCB_ECHCONFIG: "ech",
SVCB_IPV6HINT: "ipv6hint",
SVCB_DOHPATH: "dohpath",
}
var svcbStringToKeyMap = reverseSVCBKeyMap(svcbKeyToStringMap)
func reverseSVCBKeyMap(m map[SVCBKey]string) map[string]SVCBKey {
n := make(map[string]SVCBKey, len(m))
for u, s := range m {
n[s] = u
}
return n
}
// String takes the numerical code of an SVCB key and returns its name.
// Returns an empty string for reserved keys.
// Accepts unassigned keys as well as experimental/private keys.
func (key SVCBKey) String() string {
if x := svcbKeyToStringMap[key]; x != "" {
return x
}
if key == svcb_RESERVED {
return ""
}
return "key" + strconv.FormatUint(uint64(key), 10)
}
// svcbStringToKey returns the numerical code of an SVCB key.
// Returns svcb_RESERVED for reserved/invalid keys.
// Accepts unassigned keys as well as experimental/private keys.
func svcbStringToKey(s string) SVCBKey {
if strings.HasPrefix(s, "key") {
a, err := strconv.ParseUint(s[3:], 10, 16)
// no leading zeros
// key shouldn't be registered
if err != nil || a == 65535 || s[3] == '0' || svcbKeyToStringMap[SVCBKey(a)] != "" {
return svcb_RESERVED
}
return SVCBKey(a)
}
if key, ok := svcbStringToKeyMap[s]; ok {
return key
}
return svcb_RESERVED
}
func (rr *SVCB) parse(c *zlexer, o string) *ParseError {
l, _ := c.Next()
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return &ParseError{l.token, "bad SVCB priority", l}
}
rr.Priority = uint16(i)
c.Next() // zBlank
l, _ = c.Next() // zString
rr.Target = l.token
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return &ParseError{l.token, "bad SVCB Target", l}
}
rr.Target = name
// Values (if any)
l, _ = c.Next()
var xs []SVCBKeyValue
// Helps require whitespace between pairs.
// Prevents key1000="a"key1001=...
canHaveNextKey := true
for l.value != zNewline && l.value != zEOF {
switch l.value {
case zString:
if !canHaveNextKey {
// The key we can now read was probably meant to be
// a part of the last value.
return &ParseError{l.token, "bad SVCB value quotation", l}
}
// In key=value pairs, value does not have to be quoted unless value
// contains whitespace. And keys don't need to have values.
// Similarly, keys with an equality signs after them don't need values.
// l.token includes at least up to the first equality sign.
idx := strings.IndexByte(l.token, '=')
var key, value string
if idx < 0 {
// Key with no value and no equality sign
key = l.token
} else if idx == 0 {
return &ParseError{l.token, "bad SVCB key", l}
} else {
key, value = l.token[:idx], l.token[idx+1:]
if value == "" {
// We have a key and an equality sign. Maybe we have nothing
// after "=" or we have a double quote.
l, _ = c.Next()
if l.value == zQuote {
// Only needed when value ends with double quotes.
// Any value starting with zQuote ends with it.
canHaveNextKey = false
l, _ = c.Next()
switch l.value {
case zString:
// We have a value in double quotes.
value = l.token
l, _ = c.Next()
if l.value != zQuote {
return &ParseError{l.token, "SVCB unterminated value", l}
}
case zQuote:
// There's nothing in double quotes.
default:
return &ParseError{l.token, "bad SVCB value", l}
}
}
}
}
kv := makeSVCBKeyValue(svcbStringToKey(key))
if kv == nil {
return &ParseError{l.token, "bad SVCB key", l}
}
if err := kv.parse(value); err != nil {
return &ParseError{l.token, err.Error(), l}
}
xs = append(xs, kv)
case zQuote:
return &ParseError{l.token, "SVCB key can't contain double quotes", l}
case zBlank:
canHaveNextKey = true
default:
return &ParseError{l.token, "bad SVCB values", l}
}
l, _ = c.Next()
}
// "In AliasMode, records SHOULD NOT include any SvcParams, and recipients MUST
// ignore any SvcParams that are present."
// However, we don't check rr.Priority == 0 && len(xs) > 0 here
// It is the responsibility of the user of the library to check this.
// This is to encourage the fixing of the source of this error.
rr.Value = xs
return nil
}
// makeSVCBKeyValue returns an SVCBKeyValue struct with the key or nil for reserved keys.
func makeSVCBKeyValue(key SVCBKey) SVCBKeyValue {
switch key {
case SVCB_MANDATORY:
return new(SVCBMandatory)
case SVCB_ALPN:
return new(SVCBAlpn)
case SVCB_NO_DEFAULT_ALPN:
return new(SVCBNoDefaultAlpn)
case SVCB_PORT:
return new(SVCBPort)
case SVCB_IPV4HINT:
return new(SVCBIPv4Hint)
case SVCB_ECHCONFIG:
return new(SVCBECHConfig)
case SVCB_IPV6HINT:
return new(SVCBIPv6Hint)
case SVCB_DOHPATH:
return new(SVCBDoHPath)
case svcb_RESERVED:
return nil
default:
e := new(SVCBLocal)
e.KeyCode = key
return e
}
}
// SVCB RR. See RFC xxxx (https://tools.ietf.org/html/draft-ietf-dnsop-svcb-https-08).
//
// NOTE: The HTTPS/SVCB RFCs are in the draft stage.
// The API, including constants and types related to SVCBKeyValues, may
// change in future versions in accordance with the latest drafts.
type SVCB struct {
Hdr RR_Header
Priority uint16 // If zero, Value must be empty or discarded by the user of this library
Target string `dns:"domain-name"`
Value []SVCBKeyValue `dns:"pairs"`
}
// HTTPS RR. Everything valid for SVCB applies to HTTPS as well.
// Except that the HTTPS record is intended for use with the HTTP and HTTPS protocols.
//
// NOTE: The HTTPS/SVCB RFCs are in the draft stage.
// The API, including constants and types related to SVCBKeyValues, may
// change in future versions in accordance with the latest drafts.
type HTTPS struct {
SVCB
}
func (rr *HTTPS) String() string {
return rr.SVCB.String()
}
func (rr *HTTPS) parse(c *zlexer, o string) *ParseError {
return rr.SVCB.parse(c, o)
}
// SVCBKeyValue defines a key=value pair for the SVCB RR type.
// An SVCB RR can have multiple SVCBKeyValues appended to it.
type SVCBKeyValue interface {
Key() SVCBKey // Key returns the numerical key code.
pack() ([]byte, error) // pack returns the encoded value.
unpack([]byte) error // unpack sets the value.
String() string // String returns the string representation of the value.
parse(string) error // parse sets the value to the given string representation of the value.
copy() SVCBKeyValue // copy returns a deep-copy of the pair.
len() int // len returns the length of value in the wire format.
}
// SVCBMandatory pair adds to required keys that must be interpreted for the RR
// to be functional. If ignored, the whole RRSet must be ignored.
// "port" and "no-default-alpn" are mandatory by default if present,
// so they shouldn't be included here.
//
// It is incumbent upon the user of this library to reject the RRSet if
// or avoid constructing such an RRSet that:
// - "mandatory" is included as one of the keys of mandatory
// - no key is listed multiple times in mandatory
// - all keys listed in mandatory are present
// - escape sequences are not used in mandatory
// - mandatory, when present, lists at least one key
//
// Basic use pattern for creating a mandatory option:
//
// s := &dns.SVCB{Hdr: dns.RR_Header{Name: ".", Rrtype: dns.TypeSVCB, Class: dns.ClassINET}}
// e := new(dns.SVCBMandatory)
// e.Code = []uint16{dns.SVCB_ALPN}
// s.Value = append(s.Value, e)
// t := new(dns.SVCBAlpn)
// t.Alpn = []string{"xmpp-client"}
// s.Value = append(s.Value, t)
type SVCBMandatory struct {
Code []SVCBKey
}
func (*SVCBMandatory) Key() SVCBKey { return SVCB_MANDATORY }
func (s *SVCBMandatory) String() string {
str := make([]string, len(s.Code))
for i, e := range s.Code {
str[i] = e.String()
}
return strings.Join(str, ",")
}
func (s *SVCBMandatory) pack() ([]byte, error) {
codes := append([]SVCBKey(nil), s.Code...)
sort.Slice(codes, func(i, j int) bool {
return codes[i] < codes[j]
})
b := make([]byte, 2*len(codes))
for i, e := range codes {
binary.BigEndian.PutUint16(b[2*i:], uint16(e))
}
return b, nil
}
func (s *SVCBMandatory) unpack(b []byte) error {
if len(b)%2 != 0 {
return errors.New("dns: svcbmandatory: value length is not a multiple of 2")
}
codes := make([]SVCBKey, 0, len(b)/2)
for i := 0; i < len(b); i += 2 {
// We assume strictly increasing order.
codes = append(codes, SVCBKey(binary.BigEndian.Uint16(b[i:])))
}
s.Code = codes
return nil
}
func (s *SVCBMandatory) parse(b string) error {
str := strings.Split(b, ",")
codes := make([]SVCBKey, 0, len(str))
for _, e := range str {
codes = append(codes, svcbStringToKey(e))
}
s.Code = codes
return nil
}
func (s *SVCBMandatory) len() int {
return 2 * len(s.Code)
}
func (s *SVCBMandatory) copy() SVCBKeyValue {
return &SVCBMandatory{
append([]SVCBKey(nil), s.Code...),
}
}
// SVCBAlpn pair is used to list supported connection protocols.
// The user of this library must ensure that at least one protocol is listed when alpn is present.
// Protocol IDs can be found at:
// https://www.iana.org/assignments/tls-extensiontype-values/tls-extensiontype-values.xhtml#alpn-protocol-ids
// Basic use pattern for creating an alpn option:
//
// h := new(dns.HTTPS)
// h.Hdr = dns.RR_Header{Name: ".", Rrtype: dns.TypeHTTPS, Class: dns.ClassINET}
// e := new(dns.SVCBAlpn)
// e.Alpn = []string{"h2", "http/1.1"}
// h.Value = append(h.Value, e)
type SVCBAlpn struct {
Alpn []string
}
func (*SVCBAlpn) Key() SVCBKey { return SVCB_ALPN }
func (s *SVCBAlpn) String() string {
// An ALPN value is a comma-separated list of values, each of which can be
// an arbitrary binary value. In order to allow parsing, the comma and
// backslash characters are themselves excaped.
//
// However, this escaping is done in addition to the normal escaping which
// happens in zone files, meaning that these values must be
// double-escaped. This looks terrible, so if you see a never-ending
// sequence of backslash in a zone file this may be why.
//
// https://datatracker.ietf.org/doc/html/draft-ietf-dnsop-svcb-https-08#appendix-A.1
var str strings.Builder
for i, alpn := range s.Alpn {
// 4*len(alpn) is the worst case where we escape every character in the alpn as \123, plus 1 byte for the ',' separating the alpn from others
str.Grow(4*len(alpn) + 1)
if i > 0 {
str.WriteByte(',')
}
for j := 0; j < len(alpn); j++ {
e := alpn[j]
if ' ' > e || e > '~' {
str.WriteString(escapeByte(e))
continue
}
switch e {
// We escape a few characters which may confuse humans or parsers.
case '"', ';', ' ':
str.WriteByte('\\')
str.WriteByte(e)
// The comma and backslash characters themselves must be
// doubly-escaped. We use `\\` for the first backslash and
// the escaped numeric value for the other value. We especially
// don't want a comma in the output.
case ',':
str.WriteString(`\\\044`)
case '\\':
str.WriteString(`\\\092`)
default:
str.WriteByte(e)
}
}
}
return str.String()
}
func (s *SVCBAlpn) pack() ([]byte, error) {
// Liberally estimate the size of an alpn as 10 octets
b := make([]byte, 0, 10*len(s.Alpn))
for _, e := range s.Alpn {
if e == "" {
return nil, errors.New("dns: svcbalpn: empty alpn-id")
}
if len(e) > 255 {
return nil, errors.New("dns: svcbalpn: alpn-id too long")
}
b = append(b, byte(len(e)))
b = append(b, e...)
}
return b, nil
}
func (s *SVCBAlpn) unpack(b []byte) error {
// Estimate the size of the smallest alpn as 4 bytes
alpn := make([]string, 0, len(b)/4)
for i := 0; i < len(b); {
length := int(b[i])
i++
if i+length > len(b) {
return errors.New("dns: svcbalpn: alpn array overflowing")
}
alpn = append(alpn, string(b[i:i+length]))
i += length
}
s.Alpn = alpn
return nil
}
func (s *SVCBAlpn) parse(b string) error {
if len(b) == 0 {
s.Alpn = []string{}
return nil
}
alpn := []string{}
a := []byte{}
for p := 0; p < len(b); {
c, q := nextByte(b, p)
if q == 0 {
return errors.New("dns: svcbalpn: unterminated escape")
}
p += q
// If we find a comma, we have finished reading an alpn.
if c == ',' {
if len(a) == 0 {
return errors.New("dns: svcbalpn: empty protocol identifier")
}
alpn = append(alpn, string(a))
a = []byte{}
continue
}
// If it's a backslash, we need to handle a comma-separated list.
if c == '\\' {
dc, dq := nextByte(b, p)
if dq == 0 {
return errors.New("dns: svcbalpn: unterminated escape decoding comma-separated list")
}
if dc != '\\' && dc != ',' {
return errors.New("dns: svcbalpn: bad escaped character decoding comma-separated list")
}
p += dq
c = dc
}
a = append(a, c)
}
// Add the final alpn.
if len(a) == 0 {
return errors.New("dns: svcbalpn: last protocol identifier empty")
}
s.Alpn = append(alpn, string(a))
return nil
}
func (s *SVCBAlpn) len() int {
var l int
for _, e := range s.Alpn {
l += 1 + len(e)
}
return l
}
func (s *SVCBAlpn) copy() SVCBKeyValue {
return &SVCBAlpn{
append([]string(nil), s.Alpn...),
}
}
// SVCBNoDefaultAlpn pair signifies no support for default connection protocols.
// Should be used in conjunction with alpn.
// Basic use pattern for creating a no-default-alpn option:
//
// s := &dns.SVCB{Hdr: dns.RR_Header{Name: ".", Rrtype: dns.TypeSVCB, Class: dns.ClassINET}}
// t := new(dns.SVCBAlpn)
// t.Alpn = []string{"xmpp-client"}
// s.Value = append(s.Value, t)
// e := new(dns.SVCBNoDefaultAlpn)
// s.Value = append(s.Value, e)
type SVCBNoDefaultAlpn struct{}
func (*SVCBNoDefaultAlpn) Key() SVCBKey { return SVCB_NO_DEFAULT_ALPN }
func (*SVCBNoDefaultAlpn) copy() SVCBKeyValue { return &SVCBNoDefaultAlpn{} }
func (*SVCBNoDefaultAlpn) pack() ([]byte, error) { return []byte{}, nil }
func (*SVCBNoDefaultAlpn) String() string { return "" }
func (*SVCBNoDefaultAlpn) len() int { return 0 }
func (*SVCBNoDefaultAlpn) unpack(b []byte) error {
if len(b) != 0 {
return errors.New("dns: svcbnodefaultalpn: no-default-alpn must have no value")
}
return nil
}
func (*SVCBNoDefaultAlpn) parse(b string) error {
if b != "" {
return errors.New("dns: svcbnodefaultalpn: no-default-alpn must have no value")
}
return nil
}
// SVCBPort pair defines the port for connection.
// Basic use pattern for creating a port option:
//
// s := &dns.SVCB{Hdr: dns.RR_Header{Name: ".", Rrtype: dns.TypeSVCB, Class: dns.ClassINET}}
// e := new(dns.SVCBPort)
// e.Port = 80
// s.Value = append(s.Value, e)
type SVCBPort struct {
Port uint16
}
func (*SVCBPort) Key() SVCBKey { return SVCB_PORT }
func (*SVCBPort) len() int { return 2 }
func (s *SVCBPort) String() string { return strconv.FormatUint(uint64(s.Port), 10) }
func (s *SVCBPort) copy() SVCBKeyValue { return &SVCBPort{s.Port} }
func (s *SVCBPort) unpack(b []byte) error {
if len(b) != 2 {
return errors.New("dns: svcbport: port length is not exactly 2 octets")
}
s.Port = binary.BigEndian.Uint16(b)
return nil
}
func (s *SVCBPort) pack() ([]byte, error) {
b := make([]byte, 2)
binary.BigEndian.PutUint16(b, s.Port)
return b, nil
}
func (s *SVCBPort) parse(b string) error {
port, err := strconv.ParseUint(b, 10, 16)
if err != nil {
return errors.New("dns: svcbport: port out of range")
}
s.Port = uint16(port)
return nil
}
// SVCBIPv4Hint pair suggests an IPv4 address which may be used to open connections
// if A and AAAA record responses for SVCB's Target domain haven't been received.
// In that case, optionally, A and AAAA requests can be made, after which the connection
// to the hinted IP address may be terminated and a new connection may be opened.
// Basic use pattern for creating an ipv4hint option:
//
// h := new(dns.HTTPS)
// h.Hdr = dns.RR_Header{Name: ".", Rrtype: dns.TypeHTTPS, Class: dns.ClassINET}
// e := new(dns.SVCBIPv4Hint)
// e.Hint = []net.IP{net.IPv4(1,1,1,1).To4()}
//
// Or
//
// e.Hint = []net.IP{net.ParseIP("1.1.1.1").To4()}
// h.Value = append(h.Value, e)
type SVCBIPv4Hint struct {
Hint []net.IP
}
func (*SVCBIPv4Hint) Key() SVCBKey { return SVCB_IPV4HINT }
func (s *SVCBIPv4Hint) len() int { return 4 * len(s.Hint) }
func (s *SVCBIPv4Hint) pack() ([]byte, error) {
b := make([]byte, 0, 4*len(s.Hint))
for _, e := range s.Hint {
x := e.To4()
if x == nil {
return nil, errors.New("dns: svcbipv4hint: expected ipv4, hint is ipv6")
}
b = append(b, x...)
}
return b, nil
}
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")
}
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]))
}
s.Hint = x
return nil
}
func (s *SVCBIPv4Hint) String() string {
str := make([]string, len(s.Hint))
for i, e := range s.Hint {
x := e.To4()
if x == nil {
return "<nil>"
}
str[i] = x.String()
}
return strings.Join(str, ",")
}
func (s *SVCBIPv4Hint) parse(b string) error {
if strings.Contains(b, ":") {
return errors.New("dns: svcbipv4hint: expected ipv4, got ipv6")
}
str := strings.Split(b, ",")
dst := make([]net.IP, len(str))
for i, e := range str {
ip := net.ParseIP(e).To4()
if ip == nil {
return errors.New("dns: svcbipv4hint: bad ip")
}
dst[i] = ip
}
s.Hint = dst
return nil
}
func (s *SVCBIPv4Hint) copy() SVCBKeyValue {
hint := make([]net.IP, len(s.Hint))
for i, ip := range s.Hint {
hint[i] = copyIP(ip)
}
return &SVCBIPv4Hint{
Hint: hint,
}
}
// SVCBECHConfig pair contains the ECHConfig structure defined in draft-ietf-tls-esni [RFC xxxx].
// Basic use pattern for creating an ech option:
//
// h := new(dns.HTTPS)
// h.Hdr = dns.RR_Header{Name: ".", Rrtype: dns.TypeHTTPS, Class: dns.ClassINET}
// e := new(dns.SVCBECHConfig)
// e.ECH = []byte{0xfe, 0x08, ...}
// h.Value = append(h.Value, e)
type SVCBECHConfig struct {
ECH []byte // Specifically ECHConfigList including the redundant length prefix
}
func (*SVCBECHConfig) Key() SVCBKey { return SVCB_ECHCONFIG }
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
}
func (s *SVCBECHConfig) copy() SVCBKeyValue {
return &SVCBECHConfig{
append([]byte(nil), s.ECH...),
}
}
func (s *SVCBECHConfig) unpack(b []byte) error {
s.ECH = append([]byte(nil), b...)
return nil
}
func (s *SVCBECHConfig) parse(b string) error {
x, err := fromBase64([]byte(b))
if err != nil {
return errors.New("dns: svcbech: bad base64 ech")
}
s.ECH = x
return nil
}
// SVCBIPv6Hint pair suggests an IPv6 address which may be used to open connections
// if A and AAAA record responses for SVCB's Target domain haven't been received.
// In that case, optionally, A and AAAA requests can be made, after which the
// connection to the hinted IP address may be terminated and a new connection may be opened.
// Basic use pattern for creating an ipv6hint option:
//
// h := new(dns.HTTPS)
// h.Hdr = dns.RR_Header{Name: ".", Rrtype: dns.TypeHTTPS, Class: dns.ClassINET}
// e := new(dns.SVCBIPv6Hint)
// e.Hint = []net.IP{net.ParseIP("2001:db8::1")}
// h.Value = append(h.Value, e)
type SVCBIPv6Hint struct {
Hint []net.IP
}
func (*SVCBIPv6Hint) Key() SVCBKey { return SVCB_IPV6HINT }
func (s *SVCBIPv6Hint) len() int { return 16 * len(s.Hint) }
func (s *SVCBIPv6Hint) pack() ([]byte, error) {
b := make([]byte, 0, 16*len(s.Hint))
for _, e := range s.Hint {
if len(e) != net.IPv6len || e.To4() != nil {
return nil, errors.New("dns: svcbipv6hint: expected ipv6, hint is ipv4")
}
b = append(b, e...)
}
return b, nil
}
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")
}
x := make([]net.IP, 0, len(b)/16)
for i := 0; i < len(b); i += 16 {
ip := net.IP(b[i : i+16])
if ip.To4() != nil {
return errors.New("dns: svcbipv6hint: expected ipv6, got ipv4")
}
x = append(x, ip)
}
s.Hint = x
return nil
}
func (s *SVCBIPv6Hint) String() string {
str := make([]string, len(s.Hint))
for i, e := range s.Hint {
if x := e.To4(); x != nil {
return "<nil>"
}
str[i] = e.String()
}
return strings.Join(str, ",")
}
func (s *SVCBIPv6Hint) parse(b string) error {
str := strings.Split(b, ",")
dst := make([]net.IP, len(str))
for i, e := range str {
ip := net.ParseIP(e)
if ip == nil {
return errors.New("dns: svcbipv6hint: bad ip")
}
if ip.To4() != nil {
return errors.New("dns: svcbipv6hint: expected ipv6, got ipv4-mapped-ipv6")
}
dst[i] = ip
}
s.Hint = dst
return nil
}
func (s *SVCBIPv6Hint) copy() SVCBKeyValue {
hint := make([]net.IP, len(s.Hint))
for i, ip := range s.Hint {
hint[i] = copyIP(ip)
}
return &SVCBIPv6Hint{
Hint: hint,
}
}
// SVCBDoHPath pair is used to indicate the URI template that the
// clients may use to construct a DNS over HTTPS URI.
//
// See RFC xxxx (https://datatracker.ietf.org/doc/html/draft-ietf-add-svcb-dns-02)
// and RFC yyyy (https://datatracker.ietf.org/doc/html/draft-ietf-add-ddr-06).
//
// A basic example of using the dohpath option together with the alpn
// option to indicate support for DNS over HTTPS on a certain path:
//
// s := new(dns.SVCB)
// s.Hdr = dns.RR_Header{Name: ".", Rrtype: dns.TypeSVCB, Class: dns.ClassINET}
// e := new(dns.SVCBAlpn)
// e.Alpn = []string{"h2", "h3"}
// p := new(dns.SVCBDoHPath)
// p.Template = "/dns-query{?dns}"
// s.Value = append(s.Value, e, p)
//
// The parsing currently doesn't validate that Template is a valid
// RFC 6570 URI template.
type SVCBDoHPath struct {
Template string
}
func (*SVCBDoHPath) Key() SVCBKey { return SVCB_DOHPATH }
func (s *SVCBDoHPath) String() string { return svcbParamToStr([]byte(s.Template)) }
func (s *SVCBDoHPath) len() int { return len(s.Template) }
func (s *SVCBDoHPath) pack() ([]byte, error) { return []byte(s.Template), nil }
func (s *SVCBDoHPath) unpack(b []byte) error {
s.Template = string(b)
return nil
}
func (s *SVCBDoHPath) parse(b string) error {
template, err := svcbParseParam(b)
if err != nil {
return fmt.Errorf("dns: svcbdohpath: %w", err)
}
s.Template = string(template)
return nil
}
func (s *SVCBDoHPath) copy() SVCBKeyValue {
return &SVCBDoHPath{
Template: s.Template,
}
}
// SVCBLocal pair is intended for experimental/private use. The key is recommended
// to be in the range [SVCB_PRIVATE_LOWER, SVCB_PRIVATE_UPPER].
// Basic use pattern for creating a keyNNNNN option:
//
// h := new(dns.HTTPS)
// h.Hdr = dns.RR_Header{Name: ".", Rrtype: dns.TypeHTTPS, Class: dns.ClassINET}
// e := new(dns.SVCBLocal)
// e.KeyCode = 65400
// e.Data = []byte("abc")
// h.Value = append(h.Value, e)
type SVCBLocal struct {
KeyCode SVCBKey // Never 65535 or any assigned keys.
Data []byte // All byte sequences are allowed.
}
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) len() int { return len(s.Data) }
func (s *SVCBLocal) unpack(b []byte) error {
s.Data = append([]byte(nil), b...)
return nil
}
func (s *SVCBLocal) parse(b string) error {
data, err := svcbParseParam(b)
if err != nil {
return fmt.Errorf("dns: svcblocal: svcb private/experimental key %w", err)
}
s.Data = data
return nil
}
func (s *SVCBLocal) copy() SVCBKeyValue {
return &SVCBLocal{s.KeyCode,
append([]byte(nil), s.Data...),
}
}
func (rr *SVCB) String() string {
s := rr.Hdr.String() +
strconv.Itoa(int(rr.Priority)) + " " +
sprintName(rr.Target)
for _, e := range rr.Value {
s += " " + e.Key().String() + "=\"" + e.String() + "\""
}
return s
}
// 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...)
b = append([]SVCBKeyValue(nil), 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 {
if e.Key() != b[i].Key() {
return false
}
b1, err1 := e.pack()
b2, err2 := b[i].pack()
if err1 != nil || err2 != nil || !bytes.Equal(b1, b2) {
return false
}
}
return true
}
// svcbParamStr converts the value of an SVCB parameter into a DNS presentation-format string.
func svcbParamToStr(s []byte) string {
var str strings.Builder
str.Grow(4 * len(s))
for _, e := range s {
if ' ' <= e && e <= '~' {
switch e {
case '"', ';', ' ', '\\':
str.WriteByte('\\')
str.WriteByte(e)
default:
str.WriteByte(e)
}
} else {
str.WriteString(escapeByte(e))
}
}
return str.String()
}
// svcbParseParam parses a DNS presentation-format string into an SVCB parameter value.
func svcbParseParam(b string) ([]byte, error) {
data := make([]byte, 0, len(b))
for i := 0; i < len(b); {
if b[i] != '\\' {
data = append(data, b[i])
i++
continue
}
if i+1 == len(b) {
return nil, errors.New("escape unterminated")
}
if isDigit(b[i+1]) {
if i+3 < len(b) && isDigit(b[i+2]) && isDigit(b[i+3]) {
a, err := strconv.ParseUint(b[i+1:i+4], 10, 8)
if err == nil {
i += 4
data = append(data, byte(a))
continue
}
}
return nil, errors.New("bad escaped octet")
} else {
data = append(data, b[i+1])
i += 2
}
}
return data, nil
}
vendor/github.com/miekg/dns/tlsa.go
View file @ 2988b5a6
package dns
import (
"crypto/sha256"
"crypto/sha512"
"crypto/x509"
"encoding/hex"
"errors"
"io"
"net"
"strconv"
)
// CertificateToDANE converts a certificate to a hex string as used in the TLSA record.
func CertificateToDANE(selector, matchingType uint8, cert *x509.Certificate) (string, error) {
switch matchingType {
case 0:
switch selector {
case 0:
return hex.EncodeToString(cert.Raw), nil
case 1:
return hex.EncodeToString(cert.RawSubjectPublicKeyInfo), nil
}
case 1:
h := sha256.New()
switch selector {
case 0:
io.WriteString(h, string(cert.Raw))
return hex.EncodeToString(h.Sum(nil)), nil
case 1:
io.WriteString(h, string(cert.RawSubjectPublicKeyInfo))
return hex.EncodeToString(h.Sum(nil)), nil
}
case 2:
h := sha512.New()
switch selector {
case 0:
io.WriteString(h, string(cert.Raw))
return hex.EncodeToString(h.Sum(nil)), nil
case 1:
io.WriteString(h, string(cert.RawSubjectPublicKeyInfo))
return hex.EncodeToString(h.Sum(nil)), nil
}
}
return "", errors.New("dns: bad TLSA MatchingType or TLSA Selector")
}
// Sign creates a TLSA record from an SSL certificate.
func (r *TLSA) Sign(usage, selector, matchingType int, cert *x509.Certificate) (err error) {
r.Hdr.Rrtype = TypeTLSA
......@@ -53,10 +14,7 @@ func (r *TLSA) Sign(usage, selector, matchingType int, cert *x509.Certificate) (
r.MatchingType = uint8(matchingType)
r.Certificate, err = CertificateToDANE(r.Selector, r.MatchingType, cert)
if err != nil {
return err
}
return nil
return err
}
// Verify verifies a TLSA record against an SSL certificate. If it is OK
......@@ -78,9 +36,9 @@ func TLSAName(name, service, network string) (string, error) {
if !IsFqdn(name) {
return "", ErrFqdn
}
p, e := net.LookupPort(network, service)
if e != nil {
return "", e
p, err := net.LookupPort(network, service)
if err != nil {
return "", err
}
return "_" + strconv.Itoa(p) + "_" + network + "." + name, nil
return "_" + strconv.Itoa(p) + "._" + network + "." + name, nil
}
vendor/github.com/miekg/dns/tools.go 0 → 100644
View file @ 2988b5a6
// +build tools
// We include our tool dependencies for `go generate` here to ensure they're
// properly tracked by the go tool. See the Go Wiki for the rationale behind this:
// https://github.com/golang/go/wiki/Modules#how-can-i-track-tool-dependencies-for-a-module.
package dns
import _ "golang.org/x/tools/go/packages"
vendor/github.com/miekg/dns/tsig.go
View file @ 2988b5a6
......@@ -2,13 +2,12 @@ package dns
import (
"crypto/hmac"
"crypto/md5"
"crypto/sha1"
"crypto/sha256"
"crypto/sha512"
"encoding/binary"
"encoding/hex"
"hash"
"io"
"strconv"
"strings"
"time"
......@@ -16,12 +15,83 @@ import (
// HMAC hashing codes. These are transmitted as domain names.
const (
HmacMD5 = "hmac-md5.sig-alg.reg.int."
HmacSHA1 = "hmac-sha1."
HmacSHA224 = "hmac-sha224."
HmacSHA256 = "hmac-sha256."
HmacSHA384 = "hmac-sha384."
HmacSHA512 = "hmac-sha512."
HmacMD5 = "hmac-md5.sig-alg.reg.int." // Deprecated: HmacMD5 is no longer supported.
)
// TsigProvider provides the API to plug-in a custom TSIG implementation.
type TsigProvider interface {
// Generate is passed the DNS message to be signed and the partial TSIG RR. It returns the signature and nil, otherwise an error.
Generate(msg []byte, t *TSIG) ([]byte, error)
// Verify is passed the DNS message to be verified and the TSIG RR. If the signature is valid it will return nil, otherwise an error.
Verify(msg []byte, t *TSIG) error
}
type tsigHMACProvider string
func (key tsigHMACProvider) Generate(msg []byte, t *TSIG) ([]byte, error) {
// If we barf here, the caller is to blame
rawsecret, err := fromBase64([]byte(key))
if err != nil {
return nil, err
}
var h hash.Hash
switch CanonicalName(t.Algorithm) {
case HmacSHA1:
h = hmac.New(sha1.New, rawsecret)
case HmacSHA224:
h = hmac.New(sha256.New224, rawsecret)
case HmacSHA256:
h = hmac.New(sha256.New, rawsecret)
case HmacSHA384:
h = hmac.New(sha512.New384, rawsecret)
case HmacSHA512:
h = hmac.New(sha512.New, rawsecret)
default:
return nil, ErrKeyAlg
}
h.Write(msg)
return h.Sum(nil), nil
}
func (key tsigHMACProvider) Verify(msg []byte, t *TSIG) error {
b, err := key.Generate(msg, t)
if err != nil {
return err
}
mac, err := hex.DecodeString(t.MAC)
if err != nil {
return err
}
if !hmac.Equal(b, mac) {
return ErrSig
}
return nil
}
type tsigSecretProvider map[string]string
func (ts tsigSecretProvider) Generate(msg []byte, t *TSIG) ([]byte, error) {
key, ok := ts[t.Hdr.Name]
if !ok {
return nil, ErrSecret
}
return tsigHMACProvider(key).Generate(msg, t)
}
func (ts tsigSecretProvider) Verify(msg []byte, t *TSIG) error {
key, ok := ts[t.Hdr.Name]
if !ok {
return ErrSecret
}
return tsigHMACProvider(key).Verify(msg, t)
}
// TSIG is the RR the holds the transaction signature of a message.
// See RFC 2845 and RFC 4635.
type TSIG struct {
......@@ -30,21 +100,17 @@ type TSIG struct {
TimeSigned uint64 `dns:"uint48"`
Fudge uint16
MACSize uint16
MAC string `dns:"size-hex"`
MAC string `dns:"size-hex:MACSize"`
OrigId uint16
Error uint16
OtherLen uint16
OtherData string `dns:"size-hex"`
}
func (rr *TSIG) Header() *RR_Header {
return &rr.Hdr
OtherData string `dns:"size-hex:OtherLen"`
}
// TSIG has no official presentation format, but this will suffice.
func (rr *TSIG) String() string {
s := "\n;; TSIG PSEUDOSECTION:\n"
s := "\n;; TSIG PSEUDOSECTION:\n; " // add another semi-colon to signify TSIG does not have a presentation format
s += rr.Hdr.String() +
" " + rr.Algorithm +
" " + tsigTimeToString(rr.TimeSigned) +
......@@ -58,13 +124,8 @@ func (rr *TSIG) String() string {
return s
}
func (rr *TSIG) len() int {
return rr.Hdr.len() + len(rr.Algorithm) + 1 + 6 +
4 + len(rr.MAC)/2 + 1 + 6 + len(rr.OtherData)/2 + 1
}
func (rr *TSIG) copy() RR {
return &TSIG{*rr.Hdr.copyHeader(), rr.Algorithm, rr.TimeSigned, rr.Fudge, rr.MACSize, rr.MAC, rr.OrigId, rr.Error, rr.OtherLen, rr.OtherData}
func (*TSIG) parse(c *zlexer, origin string) *ParseError {
return &ParseError{err: "TSIG records do not have a presentation format"}
}
// The following values must be put in wireformat, so that the MAC can be calculated.
......@@ -81,14 +142,13 @@ type tsigWireFmt struct {
// MACSize, MAC and OrigId excluded
Error uint16
OtherLen uint16
OtherData string `dns:"size-hex"`
OtherData string `dns:"size-hex:OtherLen"`
}
// If we have the MAC use this type to convert it to wiredata.
// Section 3.4.3. Request MAC
// If we have the MAC use this type to convert it to wiredata. Section 3.4.3. Request MAC
type macWireFmt struct {
MACSize uint16
MAC string `dns:"size-hex"`
MAC string `dns:"size-hex:MACSize"`
}
// 3.3. Time values used in TSIG calculations
......@@ -98,22 +158,20 @@ type timerWireFmt struct {
}
// TsigGenerate fills out the TSIG record attached to the message.
// The message should contain
// a "stub" TSIG RR with the algorithm, key name (owner name of the RR),
// time fudge (defaults to 300 seconds) and the current time
// The TSIG MAC is saved in that Tsig RR.
// When TsigGenerate is called for the first time requestMAC is set to the empty string and
// timersOnly is false.
// If something goes wrong an error is returned, otherwise it is nil.
// The message should contain a "stub" TSIG RR with the algorithm, key name
// (owner name of the RR), time fudge (defaults to 300 seconds) and the current
// time The TSIG MAC is saved in that Tsig RR. When TsigGenerate is called for
// the first time requestMAC should be set to the empty string and timersOnly to
// false.
func TsigGenerate(m *Msg, secret, requestMAC string, timersOnly bool) ([]byte, string, error) {
return TsigGenerateWithProvider(m, tsigHMACProvider(secret), requestMAC, timersOnly)
}
// TsigGenerateWithProvider is similar to TsigGenerate, but allows for a custom TsigProvider.
func TsigGenerateWithProvider(m *Msg, provider TsigProvider, requestMAC string, timersOnly bool) ([]byte, string, error) {
if m.IsTsig() == nil {
panic("dns: TSIG not last RR in additional")
}
// If we barf here, the caller is to blame
rawsecret, err := fromBase64([]byte(secret))
if err != nil {
return nil, "", err
}
rr := m.Extra[len(m.Extra)-1].(*TSIG)
m.Extra = m.Extra[0 : len(m.Extra)-1] // kill the TSIG from the msg
......@@ -121,67 +179,75 @@ func TsigGenerate(m *Msg, secret, requestMAC string, timersOnly bool) ([]byte, s
if err != nil {
return nil, "", err
}
buf := tsigBuffer(mbuf, rr, requestMAC, timersOnly)
t := new(TSIG)
var h hash.Hash
switch rr.Algorithm {
case HmacMD5:
h = hmac.New(md5.New, []byte(rawsecret))
case HmacSHA1:
h = hmac.New(sha1.New, []byte(rawsecret))
case HmacSHA256:
h = hmac.New(sha256.New, []byte(rawsecret))
case HmacSHA512:
h = hmac.New(sha512.New, []byte(rawsecret))
default:
return nil, "", ErrKeyAlg
buf, err := tsigBuffer(mbuf, rr, requestMAC, timersOnly)
if err != nil {
return nil, "", err
}
io.WriteString(h, string(buf))
t.MAC = hex.EncodeToString(h.Sum(nil))
t.MACSize = uint16(len(t.MAC) / 2) // Size is half!
t.Hdr = RR_Header{Name: rr.Hdr.Name, Rrtype: TypeTSIG, Class: ClassANY, Ttl: 0}
t.Fudge = rr.Fudge
t.TimeSigned = rr.TimeSigned
t.Algorithm = rr.Algorithm
t.OrigId = m.Id
t := new(TSIG)
// Copy all TSIG fields except MAC, its size, and time signed which are filled when signing.
*t = *rr
t.TimeSigned = 0
t.MAC = ""
t.MACSize = 0
tbuf := make([]byte, t.len())
if off, err := PackRR(t, tbuf, 0, nil, false); err == nil {
tbuf = tbuf[:off] // reset to actual size used
} else {
// Sign unless there is a key or MAC validation error (RFC 8945 5.3.2)
if rr.Error != RcodeBadKey && rr.Error != RcodeBadSig {
mac, err := provider.Generate(buf, rr)
if err != nil {
return nil, "", err
}
t.TimeSigned = rr.TimeSigned
t.MAC = hex.EncodeToString(mac)
t.MACSize = uint16(len(t.MAC) / 2) // Size is half!
}
tbuf := make([]byte, Len(t))
off, err := PackRR(t, tbuf, 0, nil, false)
if err != nil {
return nil, "", err
}
mbuf = append(mbuf, tbuf...)
rawSetExtraLen(mbuf, uint16(len(m.Extra)+1))
mbuf = append(mbuf, tbuf[:off]...)
// Update the ArCount directly in the buffer.
binary.BigEndian.PutUint16(mbuf[10:], uint16(len(m.Extra)+1))
return mbuf, t.MAC, nil
}
// TsigVerify verifies the TSIG on a message.
// If the signature does not validate err contains the
// error, otherwise it is nil.
// TsigVerify verifies the TSIG on a message. If the signature does not
// validate the returned error contains the cause. If the signature is OK, the
// error is nil.
func TsigVerify(msg []byte, secret, requestMAC string, timersOnly bool) error {
rawsecret, err := fromBase64([]byte(secret))
if err != nil {
return err
}
return tsigVerify(msg, tsigHMACProvider(secret), requestMAC, timersOnly, uint64(time.Now().Unix()))
}
// TsigVerifyWithProvider is similar to TsigVerify, but allows for a custom TsigProvider.
func TsigVerifyWithProvider(msg []byte, provider TsigProvider, requestMAC string, timersOnly bool) error {
return tsigVerify(msg, provider, requestMAC, timersOnly, uint64(time.Now().Unix()))
}
// actual implementation of TsigVerify, taking the current time ('now') as a parameter for the convenience of tests.
func tsigVerify(msg []byte, provider TsigProvider, requestMAC string, timersOnly bool, now uint64) error {
// Strip the TSIG from the incoming msg
stripped, tsig, err := stripTsig(msg)
if err != nil {
return err
}
msgMAC, err := hex.DecodeString(tsig.MAC)
buf, err := tsigBuffer(stripped, tsig, requestMAC, timersOnly)
if err != nil {
return err
}
buf := tsigBuffer(stripped, tsig, requestMAC, timersOnly)
if err := provider.Verify(buf, tsig); err != nil {
return err
}
// Fudge factor works both ways. A message can arrive before it was signed because
// of clock skew.
now := uint64(time.Now().Unix())
// We check this after verifying the signature, following draft-ietf-dnsop-rfc2845bis
// instead of RFC2845, in order to prevent a security vulnerability as reported in CVE-2017-3142/3143.
ti := now - tsig.TimeSigned
if now < tsig.TimeSigned {
ti = tsig.TimeSigned - now
......@@ -190,28 +256,11 @@ func TsigVerify(msg []byte, secret, requestMAC string, timersOnly bool) error {
return ErrTime
}
var h hash.Hash
switch tsig.Algorithm {
case HmacMD5:
h = hmac.New(md5.New, rawsecret)
case HmacSHA1:
h = hmac.New(sha1.New, rawsecret)
case HmacSHA256:
h = hmac.New(sha256.New, rawsecret)
case HmacSHA512:
h = hmac.New(sha512.New, rawsecret)
default:
return ErrKeyAlg
}
h.Write(buf)
if !hmac.Equal(h.Sum(nil), msgMAC) {
return ErrSig
}
return nil
}
// Create a wiredata buffer for the MAC calculation.
func tsigBuffer(msgbuf []byte, rr *TSIG, requestMAC string, timersOnly bool) []byte {
func tsigBuffer(msgbuf []byte, rr *TSIG, requestMAC string, timersOnly bool) ([]byte, error) {
var buf []byte
if rr.TimeSigned == 0 {
rr.TimeSigned = uint64(time.Now().Unix())
......@@ -220,12 +269,18 @@ func tsigBuffer(msgbuf []byte, rr *TSIG, requestMAC string, timersOnly bool) []b
rr.Fudge = 300 // Standard (RFC) default.
}
// Replace message ID in header with original ID from TSIG
binary.BigEndian.PutUint16(msgbuf[0:2], rr.OrigId)
if requestMAC != "" {
m := new(macWireFmt)
m.MACSize = uint16(len(requestMAC) / 2)
m.MAC = requestMAC
buf = make([]byte, len(requestMAC)) // long enough
n, _ := PackStruct(m, buf, 0)
n, err := packMacWire(m, buf)
if err != nil {
return nil, err
}
buf = buf[:n]
}
......@@ -234,20 +289,26 @@ func tsigBuffer(msgbuf []byte, rr *TSIG, requestMAC string, timersOnly bool) []b
tsig := new(timerWireFmt)
tsig.TimeSigned = rr.TimeSigned
tsig.Fudge = rr.Fudge
n, _ := PackStruct(tsig, tsigvar, 0)
n, err := packTimerWire(tsig, tsigvar)
if err != nil {
return nil, err
}
tsigvar = tsigvar[:n]
} else {
tsig := new(tsigWireFmt)
tsig.Name = strings.ToLower(rr.Hdr.Name)
tsig.Name = CanonicalName(rr.Hdr.Name)
tsig.Class = ClassANY
tsig.Ttl = rr.Hdr.Ttl
tsig.Algorithm = strings.ToLower(rr.Algorithm)
tsig.Algorithm = CanonicalName(rr.Algorithm)
tsig.TimeSigned = rr.TimeSigned
tsig.Fudge = rr.Fudge
tsig.Error = rr.Error
tsig.OtherLen = rr.OtherLen
tsig.OtherData = rr.OtherData
n, _ := PackStruct(tsig, tsigvar, 0)
n, err := packTsigWire(tsig, tsigvar)
if err != nil {
return nil, err
}
tsigvar = tsigvar[:n]
}
......@@ -257,65 +318,59 @@ func tsigBuffer(msgbuf []byte, rr *TSIG, requestMAC string, timersOnly bool) []b
} else {
buf = append(msgbuf, tsigvar...)
}
return buf
return buf, nil
}
// Strip the TSIG from the raw message.
func stripTsig(msg []byte) ([]byte, *TSIG, error) {
// Copied from msg.go's Unpack()
// Header.
var dh Header
var err error
dns := new(Msg)
rr := new(TSIG)
off := 0
tsigoff := 0
if off, err = UnpackStruct(&dh, msg, off); err != nil {
// Copied from msg.go's Unpack() Header, but modified.
var (
dh Header
err error
)
off, tsigoff := 0, 0
if dh, off, err = unpackMsgHdr(msg, off); err != nil {
return nil, nil, err
}
if dh.Arcount == 0 {
return nil, nil, ErrNoSig
}
// Rcode, see msg.go Unpack()
if int(dh.Bits&0xF) == RcodeNotAuth {
return nil, nil, ErrAuth
}
// Arrays.
dns.Question = make([]Question, dh.Qdcount)
dns.Answer = make([]RR, dh.Ancount)
dns.Ns = make([]RR, dh.Nscount)
dns.Extra = make([]RR, dh.Arcount)
for i := 0; i < len(dns.Question); i++ {
off, err = UnpackStruct(&dns.Question[i], msg, off)
for i := 0; i < int(dh.Qdcount); i++ {
_, off, err = unpackQuestion(msg, off)
if err != nil {
return nil, nil, err
}
}
for i := 0; i < len(dns.Answer); i++ {
dns.Answer[i], off, err = UnpackRR(msg, off)
if err != nil {
return nil, nil, err
}
_, off, err = unpackRRslice(int(dh.Ancount), msg, off)
if err != nil {
return nil, nil, err
}
for i := 0; i < len(dns.Ns); i++ {
dns.Ns[i], off, err = UnpackRR(msg, off)
if err != nil {
return nil, nil, err
}
_, off, err = unpackRRslice(int(dh.Nscount), msg, off)
if err != nil {
return nil, nil, err
}
for i := 0; i < len(dns.Extra); i++ {
rr := new(TSIG)
var extra RR
for i := 0; i < int(dh.Arcount); i++ {
tsigoff = off
dns.Extra[i], off, err = UnpackRR(msg, off)
extra, off, err = UnpackRR(msg, off)
if err != nil {
return nil, nil, err
}
if dns.Extra[i].Header().Rrtype == TypeTSIG {
rr = dns.Extra[i].(*TSIG)
if extra.Header().Rrtype == TypeTSIG {
rr = extra.(*TSIG)
// Adjust Arcount.
arcount, _ := unpackUint16(msg, 10)
msg[10], msg[11] = packUint16(arcount - 1)
arcount := binary.BigEndian.Uint16(msg[10:])
binary.BigEndian.PutUint16(msg[10:], arcount-1)
break
}
}
......@@ -331,3 +386,71 @@ func tsigTimeToString(t uint64) string {
ti := time.Unix(int64(t), 0).UTC()
return ti.Format("20060102150405")
}
func packTsigWire(tw *tsigWireFmt, msg []byte) (int, error) {
// copied from zmsg.go TSIG packing
// RR_Header
off, err := PackDomainName(tw.Name, msg, 0, nil, false)
if err != nil {
return off, err
}
off, err = packUint16(tw.Class, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(tw.Ttl, msg, off)
if err != nil {
return off, err
}
off, err = PackDomainName(tw.Algorithm, msg, off, nil, false)
if err != nil {
return off, err
}
off, err = packUint48(tw.TimeSigned, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(tw.Fudge, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(tw.Error, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(tw.OtherLen, msg, off)
if err != nil {
return off, err
}
off, err = packStringHex(tw.OtherData, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func packMacWire(mw *macWireFmt, msg []byte) (int, error) {
off, err := packUint16(mw.MACSize, msg, 0)
if err != nil {
return off, err
}
off, err = packStringHex(mw.MAC, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func packTimerWire(tw *timerWireFmt, msg []byte) (int, error) {
off, err := packUint48(tw.TimeSigned, msg, 0)
if err != nil {
return off, err
}
off, err = packUint16(tw.Fudge, msg, off)
if err != nil {
return off, err
}
return off, nil
}
vendor/github.com/miekg/dns/types.go
View file @ 2988b5a6
package dns
import (
"encoding/base64"
"bytes"
"fmt"
"net"
"strconv"
......@@ -35,7 +35,6 @@ const (
TypeMG uint16 = 8
TypeMR uint16 = 9
TypeNULL uint16 = 10
TypeWKS uint16 = 11
TypePTR uint16 = 12
TypeHINFO uint16 = 13
TypeMINFO uint16 = 14
......@@ -63,9 +62,9 @@ const (
TypeCERT uint16 = 37
TypeDNAME uint16 = 39
TypeOPT uint16 = 41 // EDNS
TypeAPL uint16 = 42
TypeDS uint16 = 43
TypeSSHFP uint16 = 44
TypeIPSECKEY uint16 = 45
TypeRRSIG uint16 = 46
TypeNSEC uint16 = 47
TypeDNSKEY uint16 = 48
......@@ -73,6 +72,7 @@ const (
TypeNSEC3 uint16 = 50
TypeNSEC3PARAM uint16 = 51
TypeTLSA uint16 = 52
TypeSMIMEA uint16 = 53
TypeHIP uint16 = 55
TypeNINFO uint16 = 56
TypeRKEY uint16 = 57
......@@ -80,6 +80,10 @@ const (
TypeCDS uint16 = 59
TypeCDNSKEY uint16 = 60
TypeOPENPGPKEY uint16 = 61
TypeCSYNC uint16 = 62
TypeZONEMD uint16 = 63
TypeSVCB uint16 = 64
TypeHTTPS uint16 = 65
TypeSPF uint16 = 99
TypeUINFO uint16 = 100
TypeUID uint16 = 101
......@@ -93,6 +97,7 @@ const (
TypeEUI64 uint16 = 109
TypeURI uint16 = 256
TypeCAA uint16 = 257
TypeAVC uint16 = 258
TypeTKEY uint16 = 249
TypeTSIG uint16 = 250
......@@ -116,26 +121,27 @@ const (
ClassNONE = 254
ClassANY = 255
// Message Response Codes.
RcodeSuccess = 0
RcodeFormatError = 1
RcodeServerFailure = 2
RcodeNameError = 3
RcodeNotImplemented = 4
RcodeRefused = 5
RcodeYXDomain = 6
RcodeYXRrset = 7
RcodeNXRrset = 8
RcodeNotAuth = 9
RcodeNotZone = 10
RcodeBadSig = 16 // TSIG
RcodeBadVers = 16 // EDNS0
RcodeBadKey = 17
RcodeBadTime = 18
RcodeBadMode = 19 // TKEY
RcodeBadName = 20
RcodeBadAlg = 21
RcodeBadTrunc = 22 // TSIG
// Message Response Codes, see https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml
RcodeSuccess = 0 // NoError - No Error [DNS]
RcodeFormatError = 1 // FormErr - Format Error [DNS]
RcodeServerFailure = 2 // ServFail - Server Failure [DNS]
RcodeNameError = 3 // NXDomain - Non-Existent Domain [DNS]
RcodeNotImplemented = 4 // NotImp - Not Implemented [DNS]
RcodeRefused = 5 // Refused - Query Refused [DNS]
RcodeYXDomain = 6 // YXDomain - Name Exists when it should not [DNS Update]
RcodeYXRrset = 7 // YXRRSet - RR Set Exists when it should not [DNS Update]
RcodeNXRrset = 8 // NXRRSet - RR Set that should exist does not [DNS Update]
RcodeNotAuth = 9 // NotAuth - Server Not Authoritative for zone [DNS Update]
RcodeNotZone = 10 // NotZone - Name not contained in zone [DNS Update/TSIG]
RcodeBadSig = 16 // BADSIG - TSIG Signature Failure [TSIG]
RcodeBadVers = 16 // BADVERS - Bad OPT Version [EDNS0]
RcodeBadKey = 17 // BADKEY - Key not recognized [TSIG]
RcodeBadTime = 18 // BADTIME - Signature out of time window [TSIG]
RcodeBadMode = 19 // BADMODE - Bad TKEY Mode [TKEY]
RcodeBadName = 20 // BADNAME - Duplicate key name [TKEY]
RcodeBadAlg = 21 // BADALG - Algorithm not supported [TKEY]
RcodeBadTrunc = 22 // BADTRUNC - Bad Truncation [TSIG]
RcodeBadCookie = 23 // BADCOOKIE - Bad/missing Server Cookie [DNS Cookies]
// Message Opcodes. There is no 3.
OpcodeQuery = 0
......@@ -145,7 +151,15 @@ const (
OpcodeUpdate = 5
)
// Headers is the wire format for the DNS packet header.
// Used in ZONEMD https://tools.ietf.org/html/rfc8976
const (
ZoneMDSchemeSimple = 1
ZoneMDHashAlgSHA384 = 1
ZoneMDHashAlgSHA512 = 2
)
// Header is the wire format for the DNS packet header.
type Header struct {
Id uint16
Bits uint16
......@@ -162,16 +176,17 @@ const (
_RD = 1 << 8 // recursion desired
_RA = 1 << 7 // recursion available
_Z = 1 << 6 // Z
_AD = 1 << 5 // authticated data
_AD = 1 << 5 // authenticated data
_CD = 1 << 4 // checking disabled
)
// Various constants used in the LOC RR. See RFC 1887.
const (
LOC_EQUATOR = 1 << 31 // RFC 1876, Section 2.
LOC_PRIMEMERIDIAN = 1 << 31 // RFC 1876, Section 2.
LOC_HOURS = 60 * 1000
LOC_DEGREES = 60 * LOC_HOURS
LOC_ALTITUDEBASE = 100000
LOC_HOURS = 60 * 1000
LOC_DEGREES = 60 * LOC_HOURS
LOC_ALTITUDEBASE = 100000
)
// Different Certificate Types, see RFC 4398, Section 2.1
......@@ -203,17 +218,25 @@ var CertTypeToString = map[uint16]string{
CertOID: "OID",
}
// StringToCertType is the reverseof CertTypeToString.
var StringToCertType = reverseInt16(CertTypeToString)
//go:generate go run types_generate.go
// Question holds a DNS question. There can be multiple questions in the
// question section of a message. Usually there is just one.
// Question holds a DNS question. Usually there is just one. While the
// original DNS RFCs allow multiple questions in the question section of a
// message, in practice it never works. Because most DNS servers see multiple
// questions as an error, it is recommended to only have one question per
// message.
type Question struct {
Name string `dns:"cdomain-name"` // "cdomain-name" specifies encoding (and may be compressed)
Qtype uint16
Qclass uint16
}
func (q *Question) len(off int, compression map[string]struct{}) int {
l := domainNameLen(q.Name, off, compression, true)
l += 2 + 2
return l
}
func (q *Question) String() (s string) {
// prefix with ; (as in dig)
s = ";" + sprintName(q.Name) + "\t"
......@@ -222,220 +245,185 @@ func (q *Question) String() (s string) {
return s
}
func (q *Question) len() int {
l := len(q.Name) + 1
return l + 4
}
// ANY is a wildcard record. See RFC 1035, Section 3.2.3. ANY
// ANY is a wild card record. See RFC 1035, Section 3.2.3. ANY
// is named "*" there.
type ANY struct {
Hdr RR_Header
// Does not have any rdata
}
func (rr *ANY) Header() *RR_Header { return &rr.Hdr }
func (rr *ANY) copy() RR { return &ANY{*rr.Hdr.copyHeader()} }
func (rr *ANY) String() string { return rr.Hdr.String() }
func (rr *ANY) len() int { return rr.Hdr.len() }
func (rr *ANY) String() string { return rr.Hdr.String() }
func (*ANY) parse(c *zlexer, origin string) *ParseError {
return &ParseError{err: "ANY records do not have a presentation format"}
}
// NULL RR. See RFC 1035.
type NULL struct {
Hdr RR_Header
Data string `dns:"any"`
}
func (rr *NULL) String() string {
// There is no presentation format; prefix string with a comment.
return ";" + rr.Hdr.String() + rr.Data
}
func (*NULL) parse(c *zlexer, origin string) *ParseError {
return &ParseError{err: "NULL records do not have a presentation format"}
}
// CNAME RR. See RFC 1034.
type CNAME struct {
Hdr RR_Header
Target string `dns:"cdomain-name"`
}
func (rr *CNAME) Header() *RR_Header { return &rr.Hdr }
func (rr *CNAME) copy() RR { return &CNAME{*rr.Hdr.copyHeader(), sprintName(rr.Target)} }
func (rr *CNAME) String() string { return rr.Hdr.String() + rr.Target }
func (rr *CNAME) len() int { return rr.Hdr.len() + len(rr.Target) + 1 }
func (rr *CNAME) String() string { return rr.Hdr.String() + sprintName(rr.Target) }
// HINFO RR. See RFC 1034.
type HINFO struct {
Hdr RR_Header
Cpu string
Os string
}
func (rr *HINFO) Header() *RR_Header { return &rr.Hdr }
func (rr *HINFO) copy() RR { return &HINFO{*rr.Hdr.copyHeader(), rr.Cpu, rr.Os} }
func (rr *HINFO) String() string {
return rr.Hdr.String() + sprintTxt([]string{rr.Cpu, rr.Os})
}
func (rr *HINFO) len() int { return rr.Hdr.len() + len(rr.Cpu) + len(rr.Os) }
// MB RR. See RFC 1035.
type MB struct {
Hdr RR_Header
Mb string `dns:"cdomain-name"`
}
func (rr *MB) Header() *RR_Header { return &rr.Hdr }
func (rr *MB) copy() RR { return &MB{*rr.Hdr.copyHeader(), sprintName(rr.Mb)} }
func (rr *MB) String() string { return rr.Hdr.String() + rr.Mb }
func (rr *MB) len() int { return rr.Hdr.len() + len(rr.Mb) + 1 }
func (rr *MB) String() string { return rr.Hdr.String() + sprintName(rr.Mb) }
// MG RR. See RFC 1035.
type MG struct {
Hdr RR_Header
Mg string `dns:"cdomain-name"`
}
func (rr *MG) Header() *RR_Header { return &rr.Hdr }
func (rr *MG) copy() RR { return &MG{*rr.Hdr.copyHeader(), rr.Mg} }
func (rr *MG) len() int { l := len(rr.Mg) + 1; return rr.Hdr.len() + l }
func (rr *MG) String() string { return rr.Hdr.String() + sprintName(rr.Mg) }
func (rr *MG) String() string { return rr.Hdr.String() + sprintName(rr.Mg) }
// MINFO RR. See RFC 1035.
type MINFO struct {
Hdr RR_Header
Rmail string `dns:"cdomain-name"`
Email string `dns:"cdomain-name"`
}
func (rr *MINFO) Header() *RR_Header { return &rr.Hdr }
func (rr *MINFO) copy() RR { return &MINFO{*rr.Hdr.copyHeader(), rr.Rmail, rr.Email} }
func (rr *MINFO) String() string {
return rr.Hdr.String() + sprintName(rr.Rmail) + " " + sprintName(rr.Email)
}
func (rr *MINFO) len() int {
l := len(rr.Rmail) + 1
n := len(rr.Email) + 1
return rr.Hdr.len() + l + n
}
// MR RR. See RFC 1035.
type MR struct {
Hdr RR_Header
Mr string `dns:"cdomain-name"`
}
func (rr *MR) Header() *RR_Header { return &rr.Hdr }
func (rr *MR) copy() RR { return &MR{*rr.Hdr.copyHeader(), rr.Mr} }
func (rr *MR) len() int { l := len(rr.Mr) + 1; return rr.Hdr.len() + l }
func (rr *MR) String() string {
return rr.Hdr.String() + sprintName(rr.Mr)
}
// MF RR. See RFC 1035.
type MF struct {
Hdr RR_Header
Mf string `dns:"cdomain-name"`
}
func (rr *MF) Header() *RR_Header { return &rr.Hdr }
func (rr *MF) copy() RR { return &MF{*rr.Hdr.copyHeader(), rr.Mf} }
func (rr *MF) len() int { return rr.Hdr.len() + len(rr.Mf) + 1 }
func (rr *MF) String() string {
return rr.Hdr.String() + sprintName(rr.Mf)
}
// MD RR. See RFC 1035.
type MD struct {
Hdr RR_Header
Md string `dns:"cdomain-name"`
}
func (rr *MD) Header() *RR_Header { return &rr.Hdr }
func (rr *MD) copy() RR { return &MD{*rr.Hdr.copyHeader(), rr.Md} }
func (rr *MD) len() int { return rr.Hdr.len() + len(rr.Md) + 1 }
func (rr *MD) String() string {
return rr.Hdr.String() + sprintName(rr.Md)
}
// MX RR. See RFC 1035.
type MX struct {
Hdr RR_Header
Preference uint16
Mx string `dns:"cdomain-name"`
}
func (rr *MX) Header() *RR_Header { return &rr.Hdr }
func (rr *MX) copy() RR { return &MX{*rr.Hdr.copyHeader(), rr.Preference, rr.Mx} }
func (rr *MX) len() int { l := len(rr.Mx) + 1; return rr.Hdr.len() + l + 2 }
func (rr *MX) String() string {
return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + " " + sprintName(rr.Mx)
}
// AFSDB RR. See RFC 1183.
type AFSDB struct {
Hdr RR_Header
Subtype uint16
Hostname string `dns:"cdomain-name"`
Hostname string `dns:"domain-name"`
}
func (rr *AFSDB) Header() *RR_Header { return &rr.Hdr }
func (rr *AFSDB) copy() RR { return &AFSDB{*rr.Hdr.copyHeader(), rr.Subtype, rr.Hostname} }
func (rr *AFSDB) len() int { l := len(rr.Hostname) + 1; return rr.Hdr.len() + l + 2 }
func (rr *AFSDB) String() string {
return rr.Hdr.String() + strconv.Itoa(int(rr.Subtype)) + " " + sprintName(rr.Hostname)
}
// X25 RR. See RFC 1183, Section 3.1.
type X25 struct {
Hdr RR_Header
PSDNAddress string
}
func (rr *X25) Header() *RR_Header { return &rr.Hdr }
func (rr *X25) copy() RR { return &X25{*rr.Hdr.copyHeader(), rr.PSDNAddress} }
func (rr *X25) len() int { return rr.Hdr.len() + len(rr.PSDNAddress) + 1 }
func (rr *X25) String() string {
return rr.Hdr.String() + rr.PSDNAddress
}
// RT RR. See RFC 1183, Section 3.3.
type RT struct {
Hdr RR_Header
Preference uint16
Host string `dns:"cdomain-name"`
Host string `dns:"domain-name"` // RFC 3597 prohibits compressing records not defined in RFC 1035.
}
func (rr *RT) Header() *RR_Header { return &rr.Hdr }
func (rr *RT) copy() RR { return &RT{*rr.Hdr.copyHeader(), rr.Preference, rr.Host} }
func (rr *RT) len() int { l := len(rr.Host) + 1; return rr.Hdr.len() + l + 2 }
func (rr *RT) String() string {
return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + " " + sprintName(rr.Host)
}
// NS RR. See RFC 1035.
type NS struct {
Hdr RR_Header
Ns string `dns:"cdomain-name"`
}
func (rr *NS) Header() *RR_Header { return &rr.Hdr }
func (rr *NS) len() int { l := len(rr.Ns) + 1; return rr.Hdr.len() + l }
func (rr *NS) copy() RR { return &NS{*rr.Hdr.copyHeader(), rr.Ns} }
func (rr *NS) String() string {
return rr.Hdr.String() + sprintName(rr.Ns)
}
// PTR RR. See RFC 1035.
type PTR struct {
Hdr RR_Header
Ptr string `dns:"cdomain-name"`
}
func (rr *PTR) Header() *RR_Header { return &rr.Hdr }
func (rr *PTR) copy() RR { return &PTR{*rr.Hdr.copyHeader(), rr.Ptr} }
func (rr *PTR) len() int { l := len(rr.Ptr) + 1; return rr.Hdr.len() + l }
func (rr *PTR) String() string {
return rr.Hdr.String() + sprintName(rr.Ptr)
}
// RP RR. See RFC 1138, Section 2.2.
type RP struct {
Hdr RR_Header
Mbox string `dns:"domain-name"`
Txt string `dns:"domain-name"`
}
func (rr *RP) Header() *RR_Header { return &rr.Hdr }
func (rr *RP) copy() RR { return &RP{*rr.Hdr.copyHeader(), rr.Mbox, rr.Txt} }
func (rr *RP) len() int { return rr.Hdr.len() + len(rr.Mbox) + 1 + len(rr.Txt) + 1 }
func (rr *RP) String() string {
return rr.Hdr.String() + rr.Mbox + " " + sprintTxt([]string{rr.Txt})
return rr.Hdr.String() + sprintName(rr.Mbox) + " " + sprintName(rr.Txt)
}
// SOA RR. See RFC 1035.
type SOA struct {
Hdr RR_Header
Ns string `dns:"cdomain-name"`
......@@ -447,11 +435,6 @@ type SOA struct {
Minttl uint32
}
func (rr *SOA) Header() *RR_Header { return &rr.Hdr }
func (rr *SOA) copy() RR {
return &SOA{*rr.Hdr.copyHeader(), rr.Ns, rr.Mbox, rr.Serial, rr.Refresh, rr.Retry, rr.Expire, rr.Minttl}
}
func (rr *SOA) String() string {
return rr.Hdr.String() + sprintName(rr.Ns) + " " + sprintName(rr.Mbox) +
" " + strconv.FormatInt(int64(rr.Serial), 10) +
......@@ -461,196 +444,200 @@ func (rr *SOA) String() string {
" " + strconv.FormatInt(int64(rr.Minttl), 10)
}
func (rr *SOA) len() int {
l := len(rr.Ns) + 1
n := len(rr.Mbox) + 1
return rr.Hdr.len() + l + n + 20
}
// TXT RR. See RFC 1035.
type TXT struct {
Hdr RR_Header
Txt []string `dns:"txt"`
}
func (rr *TXT) Header() *RR_Header { return &rr.Hdr }
func (rr *TXT) copy() RR {
cp := make([]string, len(rr.Txt), cap(rr.Txt))
copy(cp, rr.Txt)
return &TXT{*rr.Hdr.copyHeader(), cp}
}
func (rr *TXT) String() string { return rr.Hdr.String() + sprintTxt(rr.Txt) }
func sprintName(s string) string {
src := []byte(s)
dst := make([]byte, 0, len(src))
for i := 0; i < len(src); {
if i+1 < len(src) && src[i] == '\\' && src[i+1] == '.' {
dst = append(dst, src[i:i+2]...)
i += 2
var dst strings.Builder
for i := 0; i < len(s); {
if s[i] == '.' {
if dst.Len() != 0 {
dst.WriteByte('.')
}
i++
continue
}
b, n := nextByte(s, i)
if n == 0 {
// Drop "dangling" incomplete escapes.
if dst.Len() == 0 {
return s[:i]
}
break
}
if isDomainNameLabelSpecial(b) {
if dst.Len() == 0 {
dst.Grow(len(s) * 2)
dst.WriteString(s[:i])
}
dst.WriteByte('\\')
dst.WriteByte(b)
} else if b < ' ' || b > '~' { // unprintable, use \DDD
if dst.Len() == 0 {
dst.Grow(len(s) * 2)
dst.WriteString(s[:i])
}
dst.WriteString(escapeByte(b))
} else {
b, n := nextByte(src, i)
if n == 0 {
i++ // dangling back slash
} else if b == '.' {
dst = append(dst, b)
} else {
dst = appendDomainNameByte(dst, b)
if dst.Len() != 0 {
dst.WriteByte(b)
}
i += n
}
i += n
}
return string(dst)
if dst.Len() == 0 {
return s
}
return dst.String()
}
func sprintTxtOctet(s string) string {
src := []byte(s)
dst := make([]byte, 0, len(src))
dst = append(dst, '"')
for i := 0; i < len(src); {
if i+1 < len(src) && src[i] == '\\' && src[i+1] == '.' {
dst = append(dst, src[i:i+2]...)
var dst strings.Builder
dst.Grow(2 + len(s))
dst.WriteByte('"')
for i := 0; i < len(s); {
if i+1 < len(s) && s[i] == '\\' && s[i+1] == '.' {
dst.WriteString(s[i : i+2])
i += 2
continue
}
b, n := nextByte(s, i)
if n == 0 {
i++ // dangling back slash
} else {
b, n := nextByte(src, i)
if n == 0 {
i++ // dangling back slash
} else if b == '.' {
dst = append(dst, b)
} else {
if b < ' ' || b > '~' {
dst = appendByte(dst, b)
} else {
dst = append(dst, b)
}
}
i += n
writeTXTStringByte(&dst, b)
}
i += n
}
dst = append(dst, '"')
return string(dst)
dst.WriteByte('"')
return dst.String()
}
func sprintTxt(txt []string) string {
var out []byte
var out strings.Builder
for i, s := range txt {
out.Grow(3 + len(s))
if i > 0 {
out = append(out, ` "`...)
out.WriteString(` "`)
} else {
out = append(out, '"')
out.WriteByte('"')
}
bs := []byte(s)
for j := 0; j < len(bs); {
b, n := nextByte(bs, j)
for j := 0; j < len(s); {
b, n := nextByte(s, j)
if n == 0 {
break
}
out = appendTXTStringByte(out, b)
writeTXTStringByte(&out, b)
j += n
}
out = append(out, '"')
out.WriteByte('"')
}
return string(out)
return out.String()
}
func appendDomainNameByte(s []byte, b byte) []byte {
switch b {
case '.', ' ', '\'', '@', ';', '(', ')': // additional chars to escape
return append(s, '\\', b)
func writeTXTStringByte(s *strings.Builder, b byte) {
switch {
case b == '"' || b == '\\':
s.WriteByte('\\')
s.WriteByte(b)
case b < ' ' || b > '~':
s.WriteString(escapeByte(b))
default:
s.WriteByte(b)
}
return appendTXTStringByte(s, b)
}
func appendTXTStringByte(s []byte, b byte) []byte {
switch b {
case '\t':
return append(s, '\\', 't')
case '\r':
return append(s, '\\', 'r')
case '\n':
return append(s, '\\', 'n')
case '"', '\\':
return append(s, '\\', b)
}
if b < ' ' || b > '~' {
return appendByte(s, b)
const (
escapedByteSmall = "" +
`\000\001\002\003\004\005\006\007\008\009` +
`\010\011\012\013\014\015\016\017\018\019` +
`\020\021\022\023\024\025\026\027\028\029` +
`\030\031`
escapedByteLarge = `\127\128\129` +
`\130\131\132\133\134\135\136\137\138\139` +
`\140\141\142\143\144\145\146\147\148\149` +
`\150\151\152\153\154\155\156\157\158\159` +
`\160\161\162\163\164\165\166\167\168\169` +
`\170\171\172\173\174\175\176\177\178\179` +
`\180\181\182\183\184\185\186\187\188\189` +
`\190\191\192\193\194\195\196\197\198\199` +
`\200\201\202\203\204\205\206\207\208\209` +
`\210\211\212\213\214\215\216\217\218\219` +
`\220\221\222\223\224\225\226\227\228\229` +
`\230\231\232\233\234\235\236\237\238\239` +
`\240\241\242\243\244\245\246\247\248\249` +
`\250\251\252\253\254\255`
)
// escapeByte returns the \DDD escaping of b which must
// satisfy b < ' ' || b > '~'.
func escapeByte(b byte) string {
if b < ' ' {
return escapedByteSmall[b*4 : b*4+4]
}
return append(s, b)
b -= '~' + 1
// The cast here is needed as b*4 may overflow byte.
return escapedByteLarge[int(b)*4 : int(b)*4+4]
}
func appendByte(s []byte, b byte) []byte {
var buf [3]byte
bufs := strconv.AppendInt(buf[:0], int64(b), 10)
s = append(s, '\\')
for i := 0; i < 3-len(bufs); i++ {
s = append(s, '0')
}
for _, r := range bufs {
s = append(s, r)
// isDomainNameLabelSpecial returns true if
// a domain name label byte should be prefixed
// with an escaping backslash.
func isDomainNameLabelSpecial(b byte) bool {
switch b {
case '.', ' ', '\'', '@', ';', '(', ')', '"', '\\':
return true
}
return s
return false
}
func nextByte(b []byte, offset int) (byte, int) {
if offset >= len(b) {
func nextByte(s string, offset int) (byte, int) {
if offset >= len(s) {
return 0, 0
}
if b[offset] != '\\' {
if s[offset] != '\\' {
// not an escape sequence
return b[offset], 1
return s[offset], 1
}
switch len(b) - offset {
switch len(s) - offset {
case 1: // dangling escape
return 0, 0
case 2, 3: // too short to be \ddd
default: // maybe \ddd
if isDigit(b[offset+1]) && isDigit(b[offset+2]) && isDigit(b[offset+3]) {
return dddToByte(b[offset+1:]), 4
if isDigit(s[offset+1]) && isDigit(s[offset+2]) && isDigit(s[offset+3]) {
return dddStringToByte(s[offset+1:]), 4
}
}
// not \ddd, maybe a control char
switch b[offset+1] {
case 't':
return '\t', 2
case 'r':
return '\r', 2
case 'n':
return '\n', 2
default:
return b[offset+1], 2
}
}
func (rr *TXT) len() int {
l := rr.Hdr.len()
for _, t := range rr.Txt {
l += len(t) + 1
}
return l
// not \ddd, just an RFC 1035 "quoted" character
return s[offset+1], 2
}
// SPF RR. See RFC 4408, Section 3.1.1.
type SPF struct {
Hdr RR_Header
Txt []string `dns:"txt"`
}
func (rr *SPF) Header() *RR_Header { return &rr.Hdr }
func (rr *SPF) copy() RR {
cp := make([]string, len(rr.Txt), cap(rr.Txt))
copy(cp, rr.Txt)
return &SPF{*rr.Hdr.copyHeader(), cp}
}
func (rr *SPF) String() string { return rr.Hdr.String() + sprintTxt(rr.Txt) }
func (rr *SPF) len() int {
l := rr.Hdr.len()
for _, t := range rr.Txt {
l += len(t) + 1
}
return l
// AVC RR. See https://www.iana.org/assignments/dns-parameters/AVC/avc-completed-template.
type AVC struct {
Hdr RR_Header
Txt []string `dns:"txt"`
}
func (rr *AVC) String() string { return rr.Hdr.String() + sprintTxt(rr.Txt) }
// SRV RR. See RFC 2782.
type SRV struct {
Hdr RR_Header
Priority uint16
......@@ -659,12 +646,6 @@ type SRV struct {
Target string `dns:"domain-name"`
}
func (rr *SRV) Header() *RR_Header { return &rr.Hdr }
func (rr *SRV) len() int { l := len(rr.Target) + 1; return rr.Hdr.len() + l + 6 }
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)) + " " +
......@@ -672,6 +653,7 @@ func (rr *SRV) String() string {
strconv.Itoa(int(rr.Port)) + " " + sprintName(rr.Target)
}
// NAPTR RR. See RFC 2915.
type NAPTR struct {
Hdr RR_Header
Order uint16
......@@ -682,11 +664,6 @@ type NAPTR struct {
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)) + " " +
......@@ -697,12 +674,7 @@ func (rr *NAPTR) String() string {
rr.Replacement
}
func (rr *NAPTR) len() int {
return rr.Hdr.len() + 4 + len(rr.Flags) + 1 + len(rr.Service) + 1 +
len(rr.Regexp) + 1 + len(rr.Replacement) + 1
}
// The CERT resource record, see RFC 4398.
// CERT RR. See RFC 4398.
type CERT struct {
Hdr RR_Header
Type uint16
......@@ -711,11 +683,6 @@ type CERT struct {
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 {
var (
ok bool
......@@ -733,34 +700,22 @@ func (rr *CERT) String() string {
" " + rr.Certificate
}
func (rr *CERT) len() int {
return rr.Hdr.len() + 5 +
base64.StdEncoding.DecodedLen(len(rr.Certificate))
}
// The DNAME resource record, see RFC 2672.
// DNAME RR. 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) len() int { l := len(rr.Target) + 1; return rr.Hdr.len() + l }
func (rr *DNAME) String() string {
return rr.Hdr.String() + sprintName(rr.Target)
}
// A RR. See RFC 1035.
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(), copyIP(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()
......@@ -768,15 +723,12 @@ func (rr *A) String() string {
return rr.Hdr.String() + rr.A.String()
}
// AAAA RR. See RFC 3596.
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(), copyIP(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()
......@@ -784,6 +736,7 @@ func (rr *AAAA) String() string {
return rr.Hdr.String() + rr.AAAA.String()
}
// PX RR. See RFC 2163.
type PX struct {
Hdr RR_Header
Preference uint16
......@@ -791,13 +744,11 @@ type PX struct {
Mapx400 string `dns:"domain-name"`
}
func (rr *PX) Header() *RR_Header { return &rr.Hdr }
func (rr *PX) copy() RR { return &PX{*rr.Hdr.copyHeader(), rr.Preference, rr.Map822, rr.Mapx400} }
func (rr *PX) String() string {
return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + " " + sprintName(rr.Map822) + " " + sprintName(rr.Mapx400)
}
func (rr *PX) len() int { return rr.Hdr.len() + 2 + len(rr.Map822) + 1 + len(rr.Mapx400) + 1 }
// GPOS RR. See RFC 1712.
type GPOS struct {
Hdr RR_Header
Longitude string
......@@ -805,15 +756,11 @@ type GPOS struct {
Altitude string
}
func (rr *GPOS) Header() *RR_Header { return &rr.Hdr }
func (rr *GPOS) copy() RR { return &GPOS{*rr.Hdr.copyHeader(), rr.Longitude, rr.Latitude, rr.Altitude} }
func (rr *GPOS) len() int {
return rr.Hdr.len() + len(rr.Longitude) + len(rr.Latitude) + len(rr.Altitude) + 3
}
func (rr *GPOS) String() string {
return rr.Hdr.String() + rr.Longitude + " " + rr.Latitude + " " + rr.Altitude
}
// LOC RR. See RFC RFC 1876.
type LOC struct {
Hdr RR_Header
Version uint8
......@@ -825,14 +772,8 @@ type LOC struct {
Altitude uint32
}
func (rr *LOC) Header() *RR_Header { return &rr.Hdr }
func (rr *LOC) len() int { return rr.Hdr.len() + 4 + 12 }
func (rr *LOC) copy() RR {
return &LOC{*rr.Hdr.copyHeader(), rr.Version, rr.Size, rr.HorizPre, rr.VertPre, rr.Latitude, rr.Longitude, rr.Altitude}
}
// cmToM takes a cm value expressed in RFC1876 SIZE mantissa/exponent
// format and returns a string in m (two decimals for the cm)
// cmToM takes a cm value expressed in RFC 1876 SIZE mantissa/exponent
// format and returns a string in m (two decimals for the cm).
func cmToM(m, e uint8) string {
if e < 2 {
if e == 1 {
......@@ -865,7 +806,7 @@ func (rr *LOC) String() string {
lat = lat % LOC_DEGREES
m := lat / LOC_HOURS
lat = lat % LOC_HOURS
s += fmt.Sprintf("%02d %02d %0.3f %s ", h, m, (float64(lat) / 1000), ns)
s += fmt.Sprintf("%02d %02d %0.3f %s ", h, m, float64(lat)/1000, ns)
lon := rr.Longitude
ew := "E"
......@@ -879,7 +820,7 @@ func (rr *LOC) String() string {
lon = lon % LOC_DEGREES
m = lon / LOC_HOURS
lon = lon % LOC_HOURS
s += fmt.Sprintf("%02d %02d %0.3f %s ", h, m, (float64(lon) / 1000), ew)
s += fmt.Sprintf("%02d %02d %0.3f %s ", h, m, float64(lon)/1000, ew)
var alt = float64(rr.Altitude) / 100
alt -= LOC_ALTITUDEBASE
......@@ -889,18 +830,19 @@ func (rr *LOC) String() string {
s += fmt.Sprintf("%.0fm ", alt)
}
s += cmToM((rr.Size&0xf0)>>4, rr.Size&0x0f) + "m "
s += cmToM((rr.HorizPre&0xf0)>>4, rr.HorizPre&0x0f) + "m "
s += cmToM((rr.VertPre&0xf0)>>4, rr.VertPre&0x0f) + "m"
s += cmToM(rr.Size&0xf0>>4, rr.Size&0x0f) + "m "
s += cmToM(rr.HorizPre&0xf0>>4, rr.HorizPre&0x0f) + "m "
s += cmToM(rr.VertPre&0xf0>>4, rr.VertPre&0x0f) + "m"
return s
}
// SIG is identical to RRSIG and nowadays only used for SIG(0), RFC2931.
// SIG RR. See RFC 2535. The SIG RR is identical to RRSIG and nowadays only used for SIG(0), See RFC 2931.
type SIG struct {
RRSIG
}
// RRSIG RR. See RFC 4034 and RFC 3755.
type RRSIG struct {
Hdr RR_Header
TypeCovered uint16
......@@ -914,11 +856,6 @@ type RRSIG struct {
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()
......@@ -933,53 +870,35 @@ func (rr *RRSIG) String() string {
return s
}
func (rr *RRSIG) len() int {
return rr.Hdr.len() + len(rr.SignerName) + 1 +
base64.StdEncoding.DecodedLen(len(rr.Signature)) + 18
}
// NSEC RR. See RFC 4034 and RFC 3755.
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 {
cp := make([]uint16, len(rr.TypeBitMap), cap(rr.TypeBitMap))
copy(cp, rr.TypeBitMap)
return &NSEC{*rr.Hdr.copyHeader(), rr.NextDomain, cp}
}
func (rr *NSEC) String() string {
s := rr.Hdr.String() + sprintName(rr.NextDomain)
for i := 0; i < len(rr.TypeBitMap); i++ {
s += " " + Type(rr.TypeBitMap[i]).String()
for _, t := range rr.TypeBitMap {
s += " " + Type(t).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)
}
func (rr *NSEC) len(off int, compression map[string]struct{}) int {
l := rr.Hdr.len(off, compression)
l += domainNameLen(rr.NextDomain, off+l, compression, false)
l += typeBitMapLen(rr.TypeBitMap)
return l
}
type DLV struct {
DS
}
// DLV RR. See RFC 4431.
type DLV struct{ DS }
type CDS struct {
DS
}
// CDS RR. See RFC 7344.
type CDS struct{ DS }
// DS RR. See RFC 4034 and RFC 3658.
type DS struct {
Hdr RR_Header
KeyTag uint16
......@@ -988,12 +907,6 @@ type DS struct {
Digest string `dns:"hex"`
}
func (rr *DS) Header() *RR_Header { return &rr.Hdr }
func (rr *DS) len() int { return rr.Hdr.len() + 4 + len(rr.Digest)/2 }
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)) +
......@@ -1001,21 +914,19 @@ func (rr *DS) String() string {
" " + strings.ToUpper(rr.Digest)
}
// KX RR. See RFC 2230.
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) len() int { return rr.Hdr.len() + 2 + len(rr.Exchanger) + 1 }
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)) +
" " + sprintName(rr.Exchanger)
}
// TA RR. See http://www.watson.org/~weiler/INI1999-19.pdf.
type TA struct {
Hdr RR_Header
KeyTag uint16
......@@ -1024,12 +935,6 @@ type TA struct {
Digest string `dns:"hex"`
}
func (rr *TA) Header() *RR_Header { return &rr.Hdr }
func (rr *TA) len() int { return rr.Hdr.len() + 4 + len(rr.Digest)/2 }
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)) +
......@@ -1037,21 +942,19 @@ func (rr *TA) String() string {
" " + strings.ToUpper(rr.Digest)
}
// TALINK RR. See https://www.iana.org/assignments/dns-parameters/TALINK/talink-completed-template.
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) len() int { return rr.Hdr.len() + len(rr.PreviousName) + len(rr.NextName) + 2 }
func (rr *TALINK) String() string {
return rr.Hdr.String() +
sprintName(rr.PreviousName) + " " + sprintName(rr.NextName)
}
// SSHFP RR. See RFC RFC 4255.
type SSHFP struct {
Hdr RR_Header
Algorithm uint8
......@@ -1059,82 +962,23 @@ type SSHFP struct {
FingerPrint string `dns:"hex"`
}
func (rr *SSHFP) Header() *RR_Header { return &rr.Hdr }
func (rr *SSHFP) len() int { return rr.Hdr.len() + 2 + len(rr.FingerPrint)/2 }
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)
}
type IPSECKEY struct {
Hdr RR_Header
Precedence uint8
// GatewayType: 1: A record, 2: AAAA record, 3: domainname.
// 0 is use for no type and GatewayName should be "." then.
GatewayType uint8
Algorithm uint8
// Gateway can be an A record, AAAA record or a domain name.
GatewayA net.IP `dns:"a"`
GatewayAAAA net.IP `dns:"aaaa"`
GatewayName string `dns:"domain-name"`
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.GatewayA, rr.GatewayAAAA, rr.GatewayName, rr.PublicKey}
}
func (rr *IPSECKEY) String() string {
s := rr.Hdr.String() + strconv.Itoa(int(rr.Precedence)) +
" " + strconv.Itoa(int(rr.GatewayType)) +
" " + strconv.Itoa(int(rr.Algorithm))
switch rr.GatewayType {
case 0:
fallthrough
case 3:
s += " " + rr.GatewayName
case 1:
s += " " + rr.GatewayA.String()
case 2:
s += " " + rr.GatewayAAAA.String()
default:
s += " ."
}
s += " " + rr.PublicKey
return s
}
func (rr *IPSECKEY) len() int {
l := rr.Hdr.len() + 3 + 1
switch rr.GatewayType {
default:
fallthrough
case 0:
fallthrough
case 3:
l += len(rr.GatewayName)
case 1:
l += 4
case 2:
l += 16
}
return l + base64.StdEncoding.DecodedLen(len(rr.PublicKey))
}
// KEY RR. See RFC RFC 2535.
type KEY struct {
DNSKEY
}
// CDNSKEY RR. See RFC 7344.
type CDNSKEY struct {
DNSKEY
}
// DNSKEY RR. See RFC 4034 and RFC 3755.
type DNSKEY struct {
Hdr RR_Header
Flags uint16
......@@ -1143,14 +987,6 @@ type DNSKEY struct {
PublicKey string `dns:"base64"`
}
func (rr *DNSKEY) Header() *RR_Header { return &rr.Hdr }
func (rr *DNSKEY) len() int {
return rr.Hdr.len() + 4 + base64.StdEncoding.DecodedLen(len(rr.PublicKey))
}
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)) +
......@@ -1158,6 +994,7 @@ func (rr *DNSKEY) String() string {
" " + rr.PublicKey
}
// RKEY RR. See https://www.iana.org/assignments/dns-parameters/RKEY/rkey-completed-template.
type RKEY struct {
Hdr RR_Header
Flags uint16
......@@ -1166,12 +1003,6 @@ type RKEY struct {
PublicKey string `dns:"base64"`
}
func (rr *RKEY) Header() *RR_Header { return &rr.Hdr }
func (rr *RKEY) len() int { return rr.Hdr.len() + 4 + base64.StdEncoding.DecodedLen(len(rr.PublicKey)) }
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)) +
......@@ -1179,35 +1010,27 @@ func (rr *RKEY) String() string {
" " + rr.PublicKey
}
// NSAPPTR RR. See RFC 1348.
type NSAPPTR struct {
Hdr RR_Header
Ptr string `dns:"domain-name"`
}
func (rr *NSAPPTR) Header() *RR_Header { return &rr.Hdr }
func (rr *NSAPPTR) copy() RR { return &NSAPPTR{*rr.Hdr.copyHeader(), rr.Ptr} }
func (rr *NSAPPTR) String() string { return rr.Hdr.String() + sprintName(rr.Ptr) }
func (rr *NSAPPTR) len() int { return rr.Hdr.len() + len(rr.Ptr) }
func (rr *NSAPPTR) String() string { return rr.Hdr.String() + sprintName(rr.Ptr) }
// NSEC3 RR. See RFC 5155.
type NSEC3 struct {
Hdr RR_Header
Hash uint8
Flags uint8
Iterations uint16
SaltLength uint8
Salt string `dns:"size-hex"`
Salt string `dns:"size-hex:SaltLength"`
HashLength uint8
NextDomain string `dns:"size-base32"`
NextDomain string `dns:"size-base32:HashLength"`
TypeBitMap []uint16 `dns:"nsec"`
}
func (rr *NSEC3) Header() *RR_Header { return &rr.Hdr }
func (rr *NSEC3) copy() RR {
cp := make([]uint16, len(rr.TypeBitMap), cap(rr.TypeBitMap))
copy(cp, rr.TypeBitMap)
return &NSEC3{*rr.Hdr.copyHeader(), rr.Hash, rr.Flags, rr.Iterations, rr.SaltLength, rr.Salt, rr.HashLength, rr.NextDomain, cp}
}
func (rr *NSEC3) String() string {
s := rr.Hdr.String()
s += strconv.Itoa(int(rr.Hash)) +
......@@ -1215,38 +1038,27 @@ func (rr *NSEC3) String() string {
" " + strconv.Itoa(int(rr.Iterations)) +
" " + saltToString(rr.Salt) +
" " + rr.NextDomain
for i := 0; i < len(rr.TypeBitMap); i++ {
s += " " + Type(rr.TypeBitMap[i]).String()
for _, t := range rr.TypeBitMap {
s += " " + Type(t).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)
}
func (rr *NSEC3) len(off int, compression map[string]struct{}) int {
l := rr.Hdr.len(off, compression)
l += 6 + len(rr.Salt)/2 + 1 + len(rr.NextDomain) + 1
l += typeBitMapLen(rr.TypeBitMap)
return l
}
// NSEC3PARAM RR. See RFC 5155.
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) len() int { return rr.Hdr.len() + 2 + 4 + 1 + len(rr.Salt)/2 }
func (rr *NSEC3PARAM) copy() RR {
return &NSEC3PARAM{*rr.Hdr.copyHeader(), rr.Hash, rr.Flags, rr.Iterations, rr.SaltLength, rr.Salt}
Salt string `dns:"size-hex:SaltLength"`
}
func (rr *NSEC3PARAM) String() string {
......@@ -1258,6 +1070,7 @@ func (rr *NSEC3PARAM) String() string {
return s
}
// TKEY RR. See RFC 2930.
type TKEY struct {
Hdr RR_Header
Algorithm string `dns:"domain-name"`
......@@ -1266,36 +1079,32 @@ type TKEY struct {
Mode uint16
Error uint16
KeySize uint16
Key string
Key string `dns:"size-hex:KeySize"`
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}
OtherData string `dns:"size-hex:OtherLen"`
}
// TKEY has no official presentation format, but this will suffice.
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)
s := ";" + rr.Hdr.String() +
" " + rr.Algorithm +
" " + TimeToString(rr.Inception) +
" " + TimeToString(rr.Expiration) +
" " + strconv.Itoa(int(rr.Mode)) +
" " + strconv.Itoa(int(rr.Error)) +
" " + strconv.Itoa(int(rr.KeySize)) +
" " + rr.Key +
" " + strconv.Itoa(int(rr.OtherLen)) +
" " + rr.OtherData
return s
}
// RFC3597 represents an unknown/generic RR.
// RFC3597 represents an unknown/generic RR. See RFC 3597.
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) len() int { return rr.Hdr.len() + len(rr.Rdata)/2 + 2 }
func (rr *RFC3597) String() string {
// Let's call it a hack
s := rfc3597Header(rr.Hdr)
......@@ -1314,6 +1123,7 @@ func rfc3597Header(h RR_Header) string {
return s
}
// URI RR. See RFC 7553.
type URI struct {
Hdr RR_Header
Priority uint16
......@@ -1321,24 +1131,21 @@ type URI struct {
Target string `dns:"octet"`
}
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) len() int { return rr.Hdr.len() + 4 + len(rr.Target) }
// rr.Target to be parsed as a sequence of character encoded octets according to RFC 3986
func (rr *URI) String() string {
return rr.Hdr.String() + strconv.Itoa(int(rr.Priority)) +
" " + strconv.Itoa(int(rr.Weight)) + " " + sprintTxtOctet(rr.Target)
}
// DHCID RR. See RFC 4701.
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)) }
func (rr *DHCID) String() string { return rr.Hdr.String() + rr.Digest }
// TLSA RR. See RFC 6698.
type TLSA struct {
Hdr RR_Header
Usage uint8
......@@ -1347,13 +1154,6 @@ type TLSA struct {
Certificate string `dns:"hex"`
}
func (rr *TLSA) Header() *RR_Header { return &rr.Hdr }
func (rr *TLSA) len() int { return rr.Hdr.len() + 3 + len(rr.Certificate)/2 }
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)) +
......@@ -1362,23 +1162,40 @@ func (rr *TLSA) String() string {
" " + rr.Certificate
}
// SMIMEA RR. See RFC 8162.
type SMIMEA struct {
Hdr RR_Header
Usage uint8
Selector uint8
MatchingType uint8
Certificate string `dns:"hex"`
}
func (rr *SMIMEA) String() string {
s := rr.Hdr.String() +
strconv.Itoa(int(rr.Usage)) +
" " + strconv.Itoa(int(rr.Selector)) +
" " + strconv.Itoa(int(rr.MatchingType))
// Every Nth char needs a space on this output. If we output
// this as one giant line, we can't read it can in because in some cases
// the cert length overflows scan.maxTok (2048).
sx := splitN(rr.Certificate, 1024) // conservative value here
s += " " + strings.Join(sx, " ")
return s
}
// HIP RR. See RFC 8005.
type HIP struct {
Hdr RR_Header
HitLength uint8
PublicKeyAlgorithm uint8
PublicKeyLength uint16
Hit string `dns:"hex"`
PublicKey string `dns:"base64"`
Hit string `dns:"size-hex:HitLength"`
PublicKey string `dns:"size-base64:PublicKeyLength"`
RendezvousServers []string `dns:"domain-name"`
}
func (rr *HIP) Header() *RR_Header { return &rr.Hdr }
func (rr *HIP) copy() RR {
cp := make([]string, len(rr.RendezvousServers), cap(rr.RendezvousServers))
copy(cp, rr.RendezvousServers)
return &HIP{*rr.Hdr.copyHeader(), rr.HitLength, rr.PublicKeyAlgorithm, rr.PublicKeyLength, rr.Hit, rr.PublicKey, cp}
}
func (rr *HIP) String() string {
s := rr.Hdr.String() +
strconv.Itoa(int(rr.PublicKeyAlgorithm)) +
......@@ -1390,77 +1207,21 @@ func (rr *HIP) String() string {
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
}
// NINFO RR. See https://www.iana.org/assignments/dns-parameters/NINFO/ninfo-completed-template.
type NINFO struct {
Hdr RR_Header
ZSData []string `dns:"txt"`
}
func (rr *NINFO) Header() *RR_Header { return &rr.Hdr }
func (rr *NINFO) copy() RR {
cp := make([]string, len(rr.ZSData), cap(rr.ZSData))
copy(cp, rr.ZSData)
return &NINFO{*rr.Hdr.copyHeader(), cp}
}
func (rr *NINFO) String() string { return rr.Hdr.String() + sprintTxt(rr.ZSData) }
func (rr *NINFO) len() int {
l := rr.Hdr.len()
for _, t := range rr.ZSData {
l += len(t) + 1
}
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) len() int { return rr.Hdr.len() + net.IPv4len + 1 }
func (rr *WKS) copy() RR {
cp := make([]uint16, len(rr.BitMap), cap(rr.BitMap))
copy(cp, rr.BitMap)
return &WKS{*rr.Hdr.copyHeader(), copyIP(rr.Address), rr.Protocol, cp}
}
func (rr *WKS) String() (s string) {
s = rr.Hdr.String()
if rr.Address != nil {
s += rr.Address.String()
}
// TODO(miek): missing protocol here, see /etc/protocols
for i := 0; i < len(rr.BitMap); i++ {
// should lookup the port
s += " " + strconv.Itoa(int(rr.BitMap[i]))
}
return s
}
// NID RR. See RFC RFC 6742.
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) len() int { return rr.Hdr.len() + 2 + 8 }
func (rr *NID) String() string {
s := rr.Hdr.String() + strconv.Itoa(int(rr.Preference))
node := fmt.Sprintf("%0.16x", rr.NodeID)
......@@ -1468,16 +1229,13 @@ func (rr *NID) String() string {
return s
}
// L32 RR, See RFC 6742.
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, copyIP(rr.Locator32)} }
func (rr *L32) len() int { return rr.Hdr.len() + net.IPv4len }
func (rr *L32) String() string {
if rr.Locator32 == nil {
return rr.Hdr.String() + strconv.Itoa(int(rr.Preference))
......@@ -1486,16 +1244,13 @@ func (rr *L32) String() string {
" " + rr.Locator32.String()
}
// L64 RR, See RFC 6742.
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) len() int { return rr.Hdr.len() + 2 + 8 }
func (rr *L64) String() string {
s := rr.Hdr.String() + strconv.Itoa(int(rr.Preference))
node := fmt.Sprintf("%0.16X", rr.Locator64)
......@@ -1503,40 +1258,34 @@ func (rr *L64) String() string {
return s
}
// LP RR. See RFC 6742.
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) len() int { return rr.Hdr.len() + 2 + len(rr.Fqdn) + 1 }
func (rr *LP) String() string {
return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + " " + sprintName(rr.Fqdn)
}
// EUI48 RR. See RFC 7043.
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 }
func (rr *EUI48) String() string { return rr.Hdr.String() + euiToString(rr.Address, 48) }
// EUI64 RR. See RFC 7043.
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 }
func (rr *EUI64) String() string { return rr.Hdr.String() + euiToString(rr.Address, 64) }
// CAA RR. See RFC 6844.
type CAA struct {
Hdr RR_Header
Flag uint8
......@@ -1544,84 +1293,191 @@ type CAA struct {
Value string `dns:"octet"`
}
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) len() int { return rr.Hdr.len() + 2 + len(rr.Tag) + len(rr.Value) }
// rr.Value Is the character-string encoding of the value field as specified in RFC 1035, Section 5.1.
func (rr *CAA) String() string {
return rr.Hdr.String() + strconv.Itoa(int(rr.Flag)) + " " + rr.Tag + " " + sprintTxtOctet(rr.Value)
}
// UID RR. Deprecated, IANA-Reserved.
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 }
func (rr *UID) String() string { return rr.Hdr.String() + strconv.FormatInt(int64(rr.Uid), 10) }
// GID RR. Deprecated, IANA-Reserved.
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 }
func (rr *GID) String() string { return rr.Hdr.String() + strconv.FormatInt(int64(rr.Gid), 10) }
// UINFO RR. Deprecated, IANA-Reserved.
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() + sprintTxt([]string{rr.Uinfo}) }
func (rr *UINFO) len() int { return rr.Hdr.len() + len(rr.Uinfo) + 1 }
func (rr *UINFO) String() string { return rr.Hdr.String() + sprintTxt([]string{rr.Uinfo}) }
// EID RR. See http://ana-3.lcs.mit.edu/~jnc/nimrod/dns.txt.
type EID struct {
Hdr RR_Header
Endpoint string `dns:"hex"`
}
func (rr *EID) Header() *RR_Header { return &rr.Hdr }
func (rr *EID) copy() RR { return &EID{*rr.Hdr.copyHeader(), rr.Endpoint} }
func (rr *EID) String() string { return rr.Hdr.String() + strings.ToUpper(rr.Endpoint) }
func (rr *EID) len() int { return rr.Hdr.len() + len(rr.Endpoint)/2 }
func (rr *EID) String() string { return rr.Hdr.String() + strings.ToUpper(rr.Endpoint) }
// NIMLOC RR. See http://ana-3.lcs.mit.edu/~jnc/nimrod/dns.txt.
type NIMLOC struct {
Hdr RR_Header
Locator string `dns:"hex"`
}
func (rr *NIMLOC) Header() *RR_Header { return &rr.Hdr }
func (rr *NIMLOC) copy() RR { return &NIMLOC{*rr.Hdr.copyHeader(), rr.Locator} }
func (rr *NIMLOC) String() string { return rr.Hdr.String() + strings.ToUpper(rr.Locator) }
func (rr *NIMLOC) len() int { return rr.Hdr.len() + len(rr.Locator)/2 }
func (rr *NIMLOC) String() string { return rr.Hdr.String() + strings.ToUpper(rr.Locator) }
// OPENPGPKEY RR. See RFC 7929.
type OPENPGPKEY struct {
Hdr RR_Header
PublicKey string `dns:"base64"`
}
func (rr *OPENPGPKEY) Header() *RR_Header { return &rr.Hdr }
func (rr *OPENPGPKEY) copy() RR { return &OPENPGPKEY{*rr.Hdr.copyHeader(), rr.PublicKey} }
func (rr *OPENPGPKEY) String() string { return rr.Hdr.String() + rr.PublicKey }
func (rr *OPENPGPKEY) len() int {
return rr.Hdr.len() + base64.StdEncoding.DecodedLen(len(rr.PublicKey))
func (rr *OPENPGPKEY) String() string { return rr.Hdr.String() + rr.PublicKey }
// CSYNC RR. See RFC 7477.
type CSYNC struct {
Hdr RR_Header
Serial uint32
Flags uint16
TypeBitMap []uint16 `dns:"nsec"`
}
func (rr *CSYNC) String() string {
s := rr.Hdr.String() + strconv.FormatInt(int64(rr.Serial), 10) + " " + strconv.Itoa(int(rr.Flags))
for _, t := range rr.TypeBitMap {
s += " " + Type(t).String()
}
return s
}
func (rr *CSYNC) len(off int, compression map[string]struct{}) int {
l := rr.Hdr.len(off, compression)
l += 4 + 2
l += typeBitMapLen(rr.TypeBitMap)
return l
}
// ZONEMD RR, from draft-ietf-dnsop-dns-zone-digest
type ZONEMD struct {
Hdr RR_Header
Serial uint32
Scheme uint8
Hash uint8
Digest string `dns:"hex"`
}
func (rr *ZONEMD) String() string {
return rr.Hdr.String() +
strconv.Itoa(int(rr.Serial)) +
" " + strconv.Itoa(int(rr.Scheme)) +
" " + strconv.Itoa(int(rr.Hash)) +
" " + rr.Digest
}
// APL RR. See RFC 3123.
type APL struct {
Hdr RR_Header
Prefixes []APLPrefix `dns:"apl"`
}
// APLPrefix is an address prefix hold by an APL record.
type APLPrefix struct {
Negation bool
Network net.IPNet
}
// String returns presentation form of the APL record.
func (rr *APL) String() string {
var sb strings.Builder
sb.WriteString(rr.Hdr.String())
for i, p := range rr.Prefixes {
if i > 0 {
sb.WriteByte(' ')
}
sb.WriteString(p.str())
}
return sb.String()
}
// str returns presentation form of the APL prefix.
func (a *APLPrefix) str() string {
var sb strings.Builder
if a.Negation {
sb.WriteByte('!')
}
switch len(a.Network.IP) {
case net.IPv4len:
sb.WriteByte('1')
case net.IPv6len:
sb.WriteByte('2')
}
sb.WriteByte(':')
switch len(a.Network.IP) {
case net.IPv4len:
sb.WriteString(a.Network.IP.String())
case net.IPv6len:
// add prefix for IPv4-mapped IPv6
if v4 := a.Network.IP.To4(); v4 != nil {
sb.WriteString("::ffff:")
}
sb.WriteString(a.Network.IP.String())
}
sb.WriteByte('/')
prefix, _ := a.Network.Mask.Size()
sb.WriteString(strconv.Itoa(prefix))
return sb.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) &&
bytes.Equal(a.Network.Mask, b.Network.Mask)
}
// copy returns a copy of the APL prefix.
func (a *APLPrefix) copy() APLPrefix {
return APLPrefix{
Negation: a.Negation,
Network: copyNet(a.Network),
}
}
// len returns size of the prefix in wire format.
func (a *APLPrefix) len() int {
// 4-byte header and the network address prefix (see Section 4 of RFC 3123)
prefix, _ := a.Network.Mask.Size()
return 4 + (prefix+7)/8
}
// 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
mod := (int64(t)-time.Now().Unix())/year68 - 1
if mod < 0 {
mod = 0
}
ti := time.Unix(int64(t)-(mod*year68), 0).UTC()
ti := time.Unix(int64(t)-mod*year68, 0).UTC()
return ti.Format("20060102150405")
}
......@@ -1629,21 +1485,20 @@ func TimeToString(t uint32) string {
// 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
t, err := time.Parse("20060102150405", s)
if err != nil {
return 0, err
}
mod := (t.Unix() / year68) - 1
mod := t.Unix()/year68 - 1
if mod < 0 {
mod = 0
}
return uint32(t.Unix() - (mod * year68)), nil
return uint32(t.Unix() - mod*year68), nil
}
// saltToString converts a NSECX salt to uppercase and
// returns "-" when it is empty
// saltToString converts a NSECX salt to uppercase and returns "-" when it is empty.
func saltToString(s string) string {
if len(s) == 0 {
if s == "" {
return "-"
}
return strings.ToUpper(s)
......@@ -1670,72 +1525,35 @@ func copyIP(ip net.IP) net.IP {
return p
}
// Map of constructors for each RR type.
var typeToRR = map[uint16]func() RR{
TypeA: func() RR { return new(A) },
TypeAAAA: func() RR { return new(AAAA) },
TypeAFSDB: func() RR { return new(AFSDB) },
TypeCAA: func() RR { return new(CAA) },
TypeCDS: func() RR { return new(CDS) },
TypeCERT: func() RR { return new(CERT) },
TypeCNAME: func() RR { return new(CNAME) },
TypeDHCID: func() RR { return new(DHCID) },
TypeDLV: func() RR { return new(DLV) },
TypeDNAME: func() RR { return new(DNAME) },
TypeKEY: func() RR { return new(KEY) },
TypeDNSKEY: func() RR { return new(DNSKEY) },
TypeDS: func() RR { return new(DS) },
TypeEUI48: func() RR { return new(EUI48) },
TypeEUI64: func() RR { return new(EUI64) },
TypeGID: func() RR { return new(GID) },
TypeGPOS: func() RR { return new(GPOS) },
TypeEID: func() RR { return new(EID) },
TypeHINFO: func() RR { return new(HINFO) },
TypeHIP: func() RR { return new(HIP) },
TypeIPSECKEY: func() RR { return new(IPSECKEY) },
TypeKX: func() RR { return new(KX) },
TypeL32: func() RR { return new(L32) },
TypeL64: func() RR { return new(L64) },
TypeLOC: func() RR { return new(LOC) },
TypeLP: func() RR { return new(LP) },
TypeMB: func() RR { return new(MB) },
TypeMD: func() RR { return new(MD) },
TypeMF: func() RR { return new(MF) },
TypeMG: func() RR { return new(MG) },
TypeMINFO: func() RR { return new(MINFO) },
TypeMR: func() RR { return new(MR) },
TypeMX: func() RR { return new(MX) },
TypeNAPTR: func() RR { return new(NAPTR) },
TypeNID: func() RR { return new(NID) },
TypeNINFO: func() RR { return new(NINFO) },
TypeNIMLOC: func() RR { return new(NIMLOC) },
TypeNS: func() RR { return new(NS) },
TypeNSAPPTR: func() RR { return new(NSAPPTR) },
TypeNSEC3: func() RR { return new(NSEC3) },
TypeNSEC3PARAM: func() RR { return new(NSEC3PARAM) },
TypeNSEC: func() RR { return new(NSEC) },
TypeOPENPGPKEY: func() RR { return new(OPENPGPKEY) },
TypeOPT: func() RR { return new(OPT) },
TypePTR: func() RR { return new(PTR) },
TypeRKEY: func() RR { return new(RKEY) },
TypeRP: func() RR { return new(RP) },
TypePX: func() RR { return new(PX) },
TypeSIG: func() RR { return new(SIG) },
TypeRRSIG: func() RR { return new(RRSIG) },
TypeRT: func() RR { return new(RT) },
TypeSOA: func() RR { return new(SOA) },
TypeSPF: func() RR { return new(SPF) },
TypeSRV: func() RR { return new(SRV) },
TypeSSHFP: func() RR { return new(SSHFP) },
TypeTA: func() RR { return new(TA) },
TypeTALINK: func() RR { return new(TALINK) },
TypeTKEY: func() RR { return new(TKEY) },
TypeTLSA: func() RR { return new(TLSA) },
TypeTSIG: func() RR { return new(TSIG) },
TypeTXT: func() RR { return new(TXT) },
TypeUID: func() RR { return new(UID) },
TypeUINFO: func() RR { return new(UINFO) },
TypeURI: func() RR { return new(URI) },
TypeWKS: func() RR { return new(WKS) },
TypeX25: func() RR { return new(X25) },
// 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),
Mask: m,
}
}
// SplitN splits a string into N sized string chunks.
// This might become an exported function once.
func splitN(s string, n int) []string {
if len(s) < n {
return []string{s}
}
sx := []string{}
p, i := 0, n
for {
if i <= len(s) {
sx = append(sx, s[p:i])
} else {
sx = append(sx, s[p:])
break
}
p, i = p+n, i+n
}
return sx
}
vendor/github.com/miekg/dns/udp.go
View file @ 2988b5a6
......@@ -4,9 +4,27 @@ package dns
import (
"net"
"syscall"
"golang.org/x/net/ipv4"
"golang.org/x/net/ipv6"
)
// This is the required size of the OOB buffer to pass to ReadMsgUDP.
var udpOOBSize = func() int {
// We can't know whether we'll get an IPv4 control message or an
// IPv6 control message ahead of time. To get around this, we size
// the buffer equal to the largest of the two.
oob4 := ipv4.NewControlMessage(ipv4.FlagDst | ipv4.FlagInterface)
oob6 := ipv6.NewControlMessage(ipv6.FlagDst | ipv6.FlagInterface)
if len(oob4) > len(oob6) {
return len(oob4)
}
return len(oob6)
}()
// SessionUDP holds the remote address and the associated
// out-of-band data.
type SessionUDP struct {
......@@ -17,33 +35,10 @@ type SessionUDP struct {
// RemoteAddr returns the remote network address.
func (s *SessionUDP) RemoteAddr() net.Addr { return s.raddr }
// setUDPSocketOptions sets the UDP socket options.
// This function is implemented on a per platform basis. See udp_*.go for more details
func setUDPSocketOptions(conn *net.UDPConn) error {
sa, err := getUDPSocketName(conn)
if err != nil {
return err
}
switch sa.(type) {
case *syscall.SockaddrInet6:
v6only, err := getUDPSocketOptions6Only(conn)
if err != nil {
return err
}
setUDPSocketOptions6(conn)
if !v6only {
setUDPSocketOptions4(conn)
}
case *syscall.SockaddrInet4:
setUDPSocketOptions4(conn)
}
return nil
}
// ReadFromSessionUDP acts just like net.UDPConn.ReadFrom(), but returns a session object instead of a
// net.UDPAddr.
func ReadFromSessionUDP(conn *net.UDPConn, b []byte) (int, *SessionUDP, error) {
oob := make([]byte, 40)
oob := make([]byte, udpOOBSize)
n, oobn, _, raddr, err := conn.ReadMsgUDP(b, oob)
if err != nil {
return n, nil, err
......@@ -51,8 +46,57 @@ func ReadFromSessionUDP(conn *net.UDPConn, b []byte) (int, *SessionUDP, error) {
return n, &SessionUDP{raddr, oob[:oobn]}, err
}
// WriteToSessionUDP acts just like net.UDPConn.WritetTo(), but uses a *SessionUDP instead of a net.Addr.
// WriteToSessionUDP acts just like net.UDPConn.WriteTo(), but uses a *SessionUDP instead of a net.Addr.
func WriteToSessionUDP(conn *net.UDPConn, b []byte, session *SessionUDP) (int, error) {
n, _, err := conn.WriteMsgUDP(b, session.context, session.raddr)
oob := correctSource(session.context)
n, _, err := conn.WriteMsgUDP(b, oob, session.raddr)
return n, err
}
func setUDPSocketOptions(conn *net.UDPConn) error {
// Try setting the flags for both families and ignore the errors unless they
// both error.
err6 := ipv6.NewPacketConn(conn).SetControlMessage(ipv6.FlagDst|ipv6.FlagInterface, true)
err4 := ipv4.NewPacketConn(conn).SetControlMessage(ipv4.FlagDst|ipv4.FlagInterface, true)
if err6 != nil && err4 != nil {
return err4
}
return nil
}
// parseDstFromOOB takes oob data and returns the destination IP.
func parseDstFromOOB(oob []byte) net.IP {
// Start with IPv6 and then fallback to IPv4
// TODO(fastest963): Figure out a way to prefer one or the other. Looking at
// the lvl of the header for a 0 or 41 isn't cross-platform.
cm6 := new(ipv6.ControlMessage)
if cm6.Parse(oob) == nil && cm6.Dst != nil {
return cm6.Dst
}
cm4 := new(ipv4.ControlMessage)
if cm4.Parse(oob) == nil && cm4.Dst != nil {
return cm4.Dst
}
return nil
}
// correctSource takes oob data and returns new oob data with the Src equal to the Dst
func correctSource(oob []byte) []byte {
dst := parseDstFromOOB(oob)
if dst == nil {
return nil
}
// If the dst is definitely an IPv6, then use ipv6's ControlMessage to
// respond otherwise use ipv4's because ipv6's marshal ignores ipv4
// addresses.
if dst.To4() == nil {
cm := new(ipv6.ControlMessage)
cm.Src = dst
oob = cm.Marshal()
} else {
cm := new(ipv4.ControlMessage)
cm.Src = dst
oob = cm.Marshal()
}
return oob
}
vendor/github.com/miekg/dns/udp_linux.go deleted 100644 → 0
View file @ d6da5f9f
// +build linux
package dns
// See:
// * http://stackoverflow.com/questions/3062205/setting-the-source-ip-for-a-udp-socket and
// * http://blog.powerdns.com/2012/10/08/on-binding-datagram-udp-sockets-to-the-any-addresses/
//
// Why do we need this: When listening on 0.0.0.0 with UDP so kernel decides what is the outgoing
// interface, this might not always be the correct one. This code will make sure the egress
// packet's interface matched the ingress' one.
import (
"net"
"syscall"
)
// setUDPSocketOptions4 prepares the v4 socket for sessions.
func setUDPSocketOptions4(conn *net.UDPConn) error {
file, err := conn.File()
if err != nil {
return err
}
if err := syscall.SetsockoptInt(int(file.Fd()), syscall.IPPROTO_IP, syscall.IP_PKTINFO, 1); err != nil {
return err
}
return nil
}
// setUDPSocketOptions6 prepares the v6 socket for sessions.
func setUDPSocketOptions6(conn *net.UDPConn) error {
file, err := conn.File()
if err != nil {
return err
}
if err := syscall.SetsockoptInt(int(file.Fd()), syscall.IPPROTO_IPV6, syscall.IPV6_RECVPKTINFO, 1); err != nil {
return err
}
return nil
}
// getUDPSocketOption6Only return true if the socket is v6 only and false when it is v4/v6 combined
// (dualstack).
func getUDPSocketOptions6Only(conn *net.UDPConn) (bool, error) {
file, err := conn.File()
if err != nil {
return false, err
}
// dual stack. See http://stackoverflow.com/questions/1618240/how-to-support-both-ipv4-and-ipv6-connections
v6only, err := syscall.GetsockoptInt(int(file.Fd()), syscall.IPPROTO_IPV6, syscall.IPV6_V6ONLY)
if err != nil {
return false, err
}
return v6only == 1, nil
}
func getUDPSocketName(conn *net.UDPConn) (syscall.Sockaddr, error) {
file, err := conn.File()
if err != nil {
return nil, err
}
return syscall.Getsockname(int(file.Fd()))
}
vendor/github.com/miekg/dns/udp_other.go deleted 100644 → 0
View file @ d6da5f9f
// +build !linux
package dns
import (
"net"
"syscall"
)
// These do nothing. See udp_linux.go for an example of how to implement this.
// We tried to adhire to some kind of naming scheme.
func setUDPSocketOptions4(conn *net.UDPConn) error { return nil }
func setUDPSocketOptions6(conn *net.UDPConn) error { return nil }
func getUDPSocketOptions6Only(conn *net.UDPConn) (bool, error) { return false, nil }
func getUDPSocketName(conn *net.UDPConn) (syscall.Sockaddr, error) { return nil, nil }
vendor/github.com/miekg/dns/udp_windows.go
View file @ 2988b5a6
......@@ -4,31 +4,32 @@ package dns
import "net"
// SessionUDP holds the remote address
type SessionUDP struct {
raddr *net.UDPAddr
}
// RemoteAddr returns the remote network address.
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 {
return n, nil, err
}
session := &SessionUDP{raddr.(*net.UDPAddr)}
return n, session, err
return n, &SessionUDP{raddr.(*net.UDPAddr)}, err
}
// WriteToSessionUDP acts just like net.UDPConn.WritetTo(), but uses a *SessionUDP instead of a net.Addr.
// 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) {
n, err := conn.WriteTo(b, session.raddr)
return n, err
return conn.WriteTo(b, session.raddr)
}
func (s *SessionUDP) RemoteAddr() net.Addr { return s.raddr }
// setUDPSocketOptions sets the UDP socket options.
// This function is implemented on a per platform basis. See udp_*.go for more details
func setUDPSocketOptions(conn *net.UDPConn) error {
return nil
}
// 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/update.go
View file @ 2988b5a6
......@@ -3,18 +3,22 @@ package dns
// NameUsed sets the RRs in the prereq section to
// "Name is in use" RRs. RFC 2136 section 2.4.4.
func (u *Msg) NameUsed(rr []RR) {
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = &ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassANY}}
if u.Answer == nil {
u.Answer = make([]RR, 0, len(rr))
}
for _, r := range rr {
u.Answer = append(u.Answer, &ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassANY}})
}
}
// NameNotUsed sets the RRs in the prereq section to
// "Name is in not use" RRs. RFC 2136 section 2.4.5.
func (u *Msg) NameNotUsed(rr []RR) {
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = &ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassNONE}}
if u.Answer == nil {
u.Answer = make([]RR, 0, len(rr))
}
for _, r := range rr {
u.Answer = append(u.Answer, &ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassNONE}})
}
}
......@@ -24,34 +28,38 @@ func (u *Msg) Used(rr []RR) {
if len(u.Question) == 0 {
panic("dns: empty question section")
}
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = r
u.Answer[i].Header().Class = u.Question[0].Qclass
if u.Answer == nil {
u.Answer = make([]RR, 0, len(rr))
}
for _, r := range rr {
hdr := r.Header()
hdr.Class = u.Question[0].Qclass
hdr.Ttl = 0
u.Answer = append(u.Answer, r)
}
}
// RRsetUsed sets the RRs in the prereq section to
// "RRset exists (value independent -- no rdata)" RRs. RFC 2136 section 2.4.1.
func (u *Msg) RRsetUsed(rr []RR) {
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = r
u.Answer[i].Header().Class = ClassANY
u.Answer[i].Header().Ttl = 0
u.Answer[i].Header().Rdlength = 0
if u.Answer == nil {
u.Answer = make([]RR, 0, len(rr))
}
for _, r := range rr {
h := r.Header()
u.Answer = append(u.Answer, &ANY{Hdr: RR_Header{Name: h.Name, Ttl: 0, Rrtype: h.Rrtype, Class: ClassANY}})
}
}
// RRsetNotUsed sets the RRs in the prereq section to
// "RRset does not exist" RRs. RFC 2136 section 2.4.3.
func (u *Msg) RRsetNotUsed(rr []RR) {
u.Answer = make([]RR, len(rr))
for i, r := range rr {
u.Answer[i] = r
u.Answer[i].Header().Class = ClassNONE
u.Answer[i].Header().Rdlength = 0
u.Answer[i].Header().Ttl = 0
if u.Answer == nil {
u.Answer = make([]RR, 0, len(rr))
}
for _, r := range rr {
h := r.Header()
u.Answer = append(u.Answer, &ANY{Hdr: RR_Header{Name: h.Name, Ttl: 0, Rrtype: h.Rrtype, Class: ClassNONE}})
}
}
......@@ -60,35 +68,45 @@ func (u *Msg) Insert(rr []RR) {
if len(u.Question) == 0 {
panic("dns: empty question section")
}
u.Ns = make([]RR, len(rr))
for i, r := range rr {
u.Ns[i] = r
u.Ns[i].Header().Class = u.Question[0].Qclass
if u.Ns == nil {
u.Ns = make([]RR, 0, len(rr))
}
for _, r := range rr {
r.Header().Class = u.Question[0].Qclass
u.Ns = append(u.Ns, r)
}
}
// RemoveRRset creates a dynamic update packet that deletes an RRset, see RFC 2136 section 2.5.2.
func (u *Msg) RemoveRRset(rr []RR) {
u.Ns = make([]RR, len(rr))
for i, r := range rr {
u.Ns[i] = &ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: r.Header().Rrtype, Class: ClassANY}}
if u.Ns == nil {
u.Ns = make([]RR, 0, len(rr))
}
for _, r := range rr {
h := r.Header()
u.Ns = append(u.Ns, &ANY{Hdr: RR_Header{Name: h.Name, Ttl: 0, Rrtype: h.Rrtype, Class: ClassANY}})
}
}
// RemoveName creates a dynamic update packet that deletes all RRsets of a name, see RFC 2136 section 2.5.3
func (u *Msg) RemoveName(rr []RR) {
u.Ns = make([]RR, len(rr))
for i, r := range rr {
u.Ns[i] = &ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassANY}}
if u.Ns == nil {
u.Ns = make([]RR, 0, len(rr))
}
for _, r := range rr {
u.Ns = append(u.Ns, &ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassANY}})
}
}
// Remove creates a dynamic update packet deletes RR from the RRSset, see RFC 2136 section 2.5.4
// Remove creates a dynamic update packet deletes RR from a RRSset, see RFC 2136 section 2.5.4
func (u *Msg) Remove(rr []RR) {
u.Ns = make([]RR, len(rr))
for i, r := range rr {
u.Ns[i] = r
u.Ns[i].Header().Class = ClassNONE
u.Ns[i].Header().Ttl = 0
if u.Ns == nil {
u.Ns = make([]RR, 0, len(rr))
}
for _, r := range rr {
h := r.Header()
h.Class = ClassNONE
h.Ttl = 0
u.Ns = append(u.Ns, r)
}
}
vendor/github.com/miekg/dns/version.go 0 → 100644
View file @ 2988b5a6
package dns
import "fmt"
// Version is current version of this library.
var Version = v{1, 1, 50}
// v holds the version of this library.
type v struct {
Major, Minor, Patch int
}
func (v v) String() string {
return fmt.Sprintf("%d.%d.%d", v.Major, v.Minor, v.Patch)
}
vendor/github.com/miekg/dns/xfr.go
View file @ 2988b5a6
package dns
import (
"fmt"
"time"
)
......@@ -16,11 +17,22 @@ type Transfer struct {
DialTimeout time.Duration // net.DialTimeout, defaults to 2 seconds
ReadTimeout time.Duration // net.Conn.SetReadTimeout value for connections, defaults to 2 seconds
WriteTimeout time.Duration // net.Conn.SetWriteTimeout value for connections, defaults to 2 seconds
TsigSecret map[string]string // Secret(s) for Tsig map[<zonename>]<base64 secret>, zonename must be fully qualified
TsigProvider TsigProvider // An implementation of the TsigProvider interface. If defined it replaces TsigSecret and is used for all TSIG operations.
TsigSecret map[string]string // Secret(s) for Tsig map[<zonename>]<base64 secret>, zonename must be in canonical form (lowercase, fqdn, see RFC 4034 Section 6.2)
tsigTimersOnly bool
}
// Think we need to away to stop the transfer
func (t *Transfer) tsigProvider() TsigProvider {
if t.TsigProvider != nil {
return t.TsigProvider
}
if t.TsigSecret != nil {
return tsigSecretProvider(t.TsigSecret)
}
return nil
}
// TODO: Think we need to away to stop the transfer
// In performs an incoming transfer with the server in a.
// If you would like to set the source IP, or some other attribute
......@@ -34,34 +46,40 @@ type Transfer struct {
// channel, err := transfer.In(message, master)
//
func (t *Transfer) In(q *Msg, a string) (env chan *Envelope, err error) {
switch q.Question[0].Qtype {
case TypeAXFR, TypeIXFR:
default:
return nil, &Error{"unsupported question type"}
}
timeout := dnsTimeout
if t.DialTimeout != 0 {
timeout = t.DialTimeout
}
if t.Conn == nil {
t.Conn, err = DialTimeout("tcp", a, timeout)
if err != nil {
return nil, err
}
}
if err := t.WriteMsg(q); err != nil {
return nil, err
}
env = make(chan *Envelope)
go func() {
if q.Question[0].Qtype == TypeAXFR {
go t.inAxfr(q.Id, env)
return
}
if q.Question[0].Qtype == TypeIXFR {
go t.inIxfr(q.Id, env)
return
}
}()
switch q.Question[0].Qtype {
case TypeAXFR:
go t.inAxfr(q, env)
case TypeIXFR:
go t.inIxfr(q, env)
}
return env, nil
}
func (t *Transfer) inAxfr(id uint16, c chan *Envelope) {
func (t *Transfer) inAxfr(q *Msg, c chan *Envelope) {
first := true
defer t.Close()
defer close(c)
......@@ -76,11 +94,15 @@ func (t *Transfer) inAxfr(id uint16, c chan *Envelope) {
c <- &Envelope{nil, err}
return
}
if id != in.Id {
if q.Id != in.Id {
c <- &Envelope{in.Answer, ErrId}
return
}
if first {
if in.Rcode != RcodeSuccess {
c <- &Envelope{in.Answer, &Error{err: fmt.Sprintf(errXFR, in.Rcode)}}
return
}
if !isSOAFirst(in) {
c <- &Envelope{in.Answer, ErrSoa}
return
......@@ -105,9 +127,11 @@ func (t *Transfer) inAxfr(id uint16, c chan *Envelope) {
}
}
func (t *Transfer) inIxfr(id uint16, c chan *Envelope) {
serial := uint32(0) // The first serial seen is the current server serial
first := true
func (t *Transfer) inIxfr(q *Msg, c chan *Envelope) {
var serial uint32 // The first serial seen is the current server serial
axfr := true
n := 0
qser := q.Ns[0].(*SOA).Serial
defer t.Close()
defer close(c)
timeout := dnsTimeout
......@@ -121,17 +145,15 @@ func (t *Transfer) inIxfr(id uint16, c chan *Envelope) {
c <- &Envelope{nil, err}
return
}
if id != in.Id {
if q.Id != in.Id {
c <- &Envelope{in.Answer, ErrId}
return
}
if first {
// A single SOA RR signals "no changes"
if len(in.Answer) == 1 && isSOAFirst(in) {
c <- &Envelope{in.Answer, nil}
return
}
if in.Rcode != RcodeSuccess {
c <- &Envelope{in.Answer, &Error{err: fmt.Sprintf(errXFR, in.Rcode)}}
return
}
if n == 0 {
// Check if the returned answer is ok
if !isSOAFirst(in) {
c <- &Envelope{in.Answer, ErrSoa}
......@@ -139,21 +161,30 @@ func (t *Transfer) inIxfr(id uint16, c chan *Envelope) {
}
// This serial is important
serial = in.Answer[0].(*SOA).Serial
first = !first
// Check if there are no changes in zone
if qser >= serial {
c <- &Envelope{in.Answer, nil}
return
}
}
// Now we need to check each message for SOA records, to see what we need to do
if !first {
t.tsigTimersOnly = true
// If the last record in the IXFR contains the servers' SOA, we should quit
if v, ok := in.Answer[len(in.Answer)-1].(*SOA); ok {
t.tsigTimersOnly = true
for _, rr := range in.Answer {
if v, ok := rr.(*SOA); ok {
if v.Serial == serial {
c <- &Envelope{in.Answer, nil}
return
n++
// quit if it's a full axfr or the the servers' SOA is repeated the third time
if axfr && n == 2 || n == 3 {
c <- &Envelope{in.Answer, nil}
return
}
} else if axfr {
// it's an ixfr
axfr = false
}
}
c <- &Envelope{in.Answer, nil}
}
c <- &Envelope{in.Answer, nil}
}
}
......@@ -162,14 +193,17 @@ func (t *Transfer) inIxfr(id uint16, c chan *Envelope) {
//
// ch := make(chan *dns.Envelope)
// tr := new(dns.Transfer)
// tr.Out(w, r, ch)
// c <- &dns.Envelope{RR: []dns.RR{soa, rr1, rr2, rr3, soa}}
// var wg sync.WaitGroup
// go func() {
// tr.Out(w, r, ch)
// wg.Done()
// }()
// ch <- &dns.Envelope{RR: []dns.RR{soa, rr1, rr2, rr3, soa}}
// close(ch)
// w.Hijack()
// // w.Close() // Client closes connection
// wg.Wait() // wait until everything is written out
// w.Close() // close connection
//
// The server is responsible for sending the correct sequence of RRs through the
// channel ch.
// The server is responsible for sending the correct sequence of RRs through the channel ch.
func (t *Transfer) Out(w ResponseWriter, q *Msg, ch chan *Envelope) error {
for x := range ch {
r := new(Msg)
......@@ -178,11 +212,14 @@ func (t *Transfer) Out(w ResponseWriter, q *Msg, ch chan *Envelope) error {
r.Authoritative = true
// assume it fits TODO(miek): fix
r.Answer = append(r.Answer, x.RR...)
if tsig := q.IsTsig(); tsig != nil && w.TsigStatus() == nil {
r.SetTsig(tsig.Hdr.Name, tsig.Algorithm, tsig.Fudge, time.Now().Unix())
}
if err := w.WriteMsg(r); err != nil {
return err
}
w.TsigTimersOnly(true)
}
w.TsigTimersOnly(true)
return nil
}
......@@ -198,12 +235,9 @@ func (t *Transfer) ReadMsg() (*Msg, error) {
if err := m.Unpack(p); err != nil {
return nil, err
}
if ts := m.IsTsig(); ts != nil && t.TsigSecret != nil {
if _, ok := t.TsigSecret[ts.Hdr.Name]; !ok {
return m, ErrSecret
}
if ts, tp := m.IsTsig(), t.tsigProvider(); ts != nil && tp != nil {
// Need to work on the original message p, as that was used to calculate the tsig.
err = TsigVerify(p, t.TsigSecret[ts.Hdr.Name], t.tsigRequestMAC, t.tsigTimersOnly)
err = TsigVerifyWithProvider(p, tp, t.tsigRequestMAC, t.tsigTimersOnly)
t.tsigRequestMAC = ts.MAC
}
return m, err
......@@ -212,33 +246,26 @@ func (t *Transfer) ReadMsg() (*Msg, error) {
// WriteMsg writes a message through the transfer connection t.
func (t *Transfer) WriteMsg(m *Msg) (err error) {
var out []byte
if ts := m.IsTsig(); ts != nil && t.TsigSecret != nil {
if _, ok := t.TsigSecret[ts.Hdr.Name]; !ok {
return ErrSecret
}
out, t.tsigRequestMAC, err = TsigGenerate(m, t.TsigSecret[ts.Hdr.Name], t.tsigRequestMAC, t.tsigTimersOnly)
if ts, tp := m.IsTsig(), t.tsigProvider(); ts != nil && tp != nil {
out, t.tsigRequestMAC, err = TsigGenerateWithProvider(m, tp, t.tsigRequestMAC, t.tsigTimersOnly)
} else {
out, err = m.Pack()
}
if err != nil {
return err
}
if _, err = t.Write(out); err != nil {
return err
}
return nil
_, err = t.Write(out)
return err
}
func isSOAFirst(in *Msg) bool {
if len(in.Answer) > 0 {
return in.Answer[0].Header().Rrtype == TypeSOA
}
return false
return len(in.Answer) > 0 &&
in.Answer[0].Header().Rrtype == TypeSOA
}
func isSOALast(in *Msg) bool {
if len(in.Answer) > 0 {
return in.Answer[len(in.Answer)-1].Header().Rrtype == TypeSOA
}
return false
return len(in.Answer) > 0 &&
in.Answer[len(in.Answer)-1].Header().Rrtype == TypeSOA
}
const errXFR = "bad xfr rcode: %d"
vendor/github.com/miekg/dns/zduplicate.go 0 → 100644
View file @ 2988b5a6
// Code generated by "go run duplicate_generate.go"; DO NOT EDIT.
package dns
// isDuplicate() functions
func (r1 *A) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*A)
if !ok {
return false
}
_ = r2
if !r1.A.Equal(r2.A) {
return false
}
return true
}
func (r1 *AAAA) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*AAAA)
if !ok {
return false
}
_ = r2
if !r1.AAAA.Equal(r2.AAAA) {
return false
}
return true
}
func (r1 *AFSDB) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*AFSDB)
if !ok {
return false
}
_ = r2
if r1.Subtype != r2.Subtype {
return false
}
if !isDuplicateName(r1.Hostname, r2.Hostname) {
return false
}
return true
}
func (r1 *ANY) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*ANY)
if !ok {
return false
}
_ = r2
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 {
return false
}
_ = r2
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 (r1 *CAA) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*CAA)
if !ok {
return false
}
_ = r2
if r1.Flag != r2.Flag {
return false
}
if r1.Tag != r2.Tag {
return false
}
if r1.Value != r2.Value {
return false
}
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 {
return false
}
_ = r2
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 (r1 *CNAME) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*CNAME)
if !ok {
return false
}
_ = r2
if !isDuplicateName(r1.Target, r2.Target) {
return false
}
return true
}
func (r1 *CSYNC) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*CSYNC)
if !ok {
return false
}
_ = r2
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 (r1 *DHCID) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*DHCID)
if !ok {
return false
}
_ = r2
if r1.Digest != r2.Digest {
return false
}
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 !isDuplicateName(r1.Target, r2.Target) {
return false
}
return true
}
func (r1 *DNSKEY) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*DNSKEY)
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 *DS) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*DS)
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 *EID) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*EID)
if !ok {
return false
}
_ = r2
if r1.Endpoint != r2.Endpoint {
return false
}
return true
}
func (r1 *EUI48) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*EUI48)
if !ok {
return false
}
_ = r2
if r1.Address != r2.Address {
return false
}
return true
}
func (r1 *EUI64) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*EUI64)
if !ok {
return false
}
_ = r2
if r1.Address != r2.Address {
return false
}
return true
}
func (r1 *GID) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*GID)
if !ok {
return false
}
_ = r2
if r1.Gid != r2.Gid {
return false
}
return true
}
func (r1 *GPOS) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*GPOS)
if !ok {
return false
}
_ = r2
if r1.Longitude != r2.Longitude {
return false
}
if r1.Latitude != r2.Latitude {
return false
}
if r1.Altitude != r2.Altitude {
return false
}
return true
}
func (r1 *HINFO) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*HINFO)
if !ok {
return false
}
_ = r2
if r1.Cpu != r2.Cpu {
return false
}
if r1.Os != r2.Os {
return false
}
return true
}
func (r1 *HIP) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*HIP)
if !ok {
return false
}
_ = r2
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 !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 {
return false
}
_ = r2
if r1.Preference != r2.Preference {
return false
}
if !isDuplicateName(r1.Exchanger, r2.Exchanger) {
return false
}
return true
}
func (r1 *L32) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*L32)
if !ok {
return false
}
_ = r2
if r1.Preference != r2.Preference {
return false
}
if !r1.Locator32.Equal(r2.Locator32) {
return false
}
return true
}
func (r1 *L64) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*L64)
if !ok {
return false
}
_ = r2
if r1.Preference != r2.Preference {
return false
}
if r1.Locator64 != r2.Locator64 {
return false
}
return true
}
func (r1 *LOC) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*LOC)
if !ok {
return false
}
_ = r2
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 (r1 *LP) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*LP)
if !ok {
return false
}
_ = r2
if r1.Preference != r2.Preference {
return false
}
if !isDuplicateName(r1.Fqdn, r2.Fqdn) {
return false
}
return true
}
func (r1 *MB) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*MB)
if !ok {
return false
}
_ = r2
if !isDuplicateName(r1.Mb, r2.Mb) {
return false
}
return true
}
func (r1 *MD) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*MD)
if !ok {
return false
}
_ = r2
if !isDuplicateName(r1.Md, r2.Md) {
return false
}
return true
}
func (r1 *MF) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*MF)
if !ok {
return false
}
_ = r2
if !isDuplicateName(r1.Mf, r2.Mf) {
return false
}
return true
}
func (r1 *MG) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*MG)
if !ok {
return false
}
_ = r2
if !isDuplicateName(r1.Mg, r2.Mg) {
return false
}
return true
}
func (r1 *MINFO) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*MINFO)
if !ok {
return false
}
_ = r2
if !isDuplicateName(r1.Rmail, r2.Rmail) {
return false
}
if !isDuplicateName(r1.Email, r2.Email) {
return false
}
return true
}
func (r1 *MR) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*MR)
if !ok {
return false
}
_ = r2
if !isDuplicateName(r1.Mr, r2.Mr) {
return false
}
return true
}
func (r1 *MX) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*MX)
if !ok {
return false
}
_ = r2
if r1.Preference != r2.Preference {
return false
}
if !isDuplicateName(r1.Mx, r2.Mx) {
return false
}
return true
}
func (r1 *NAPTR) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*NAPTR)
if !ok {
return false
}
_ = r2
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 !isDuplicateName(r1.Replacement, r2.Replacement) {
return false
}
return true
}
func (r1 *NID) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*NID)
if !ok {
return false
}
_ = r2
if r1.Preference != r2.Preference {
return false
}
if r1.NodeID != r2.NodeID {
return false
}
return true
}
func (r1 *NIMLOC) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*NIMLOC)
if !ok {
return false
}
_ = r2
if r1.Locator != r2.Locator {
return false
}
return true
}
func (r1 *NINFO) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*NINFO)
if !ok {
return false
}
_ = r2
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 (r1 *NS) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*NS)
if !ok {
return false
}
_ = r2
if !isDuplicateName(r1.Ns, r2.Ns) {
return false
}
return true
}
func (r1 *NSAPPTR) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*NSAPPTR)
if !ok {
return false
}
_ = r2
if !isDuplicateName(r1.Ptr, r2.Ptr) {
return false
}
return true
}
func (r1 *NSEC) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*NSEC)
if !ok {
return false
}
_ = r2
if !isDuplicateName(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 (r1 *NSEC3) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*NSEC3)
if !ok {
return false
}
_ = r2
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 (r1 *NSEC3PARAM) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*NSEC3PARAM)
if !ok {
return false
}
_ = r2
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 (r1 *NULL) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*NULL)
if !ok {
return false
}
_ = r2
if r1.Data != r2.Data {
return false
}
return true
}
func (r1 *OPENPGPKEY) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*OPENPGPKEY)
if !ok {
return false
}
_ = r2
if r1.PublicKey != r2.PublicKey {
return false
}
return true
}
func (r1 *PTR) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*PTR)
if !ok {
return false
}
_ = r2
if !isDuplicateName(r1.Ptr, r2.Ptr) {
return false
}
return true
}
func (r1 *PX) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*PX)
if !ok {
return false
}
_ = r2
if r1.Preference != r2.Preference {
return false
}
if !isDuplicateName(r1.Map822, r2.Map822) {
return false
}
if !isDuplicateName(r1.Mapx400, r2.Mapx400) {
return false
}
return true
}
func (r1 *RFC3597) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*RFC3597)
if !ok {
return false
}
_ = r2
if r1.Rdata != r2.Rdata {
return false
}
return true
}
func (r1 *RKEY) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*RKEY)
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 *RP) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*RP)
if !ok {
return false
}
_ = r2
if !isDuplicateName(r1.Mbox, r2.Mbox) {
return false
}
if !isDuplicateName(r1.Txt, r2.Txt) {
return false
}
return true
}
func (r1 *RRSIG) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*RRSIG)
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
}
func (r1 *RT) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*RT)
if !ok {
return false
}
_ = r2
if r1.Preference != r2.Preference {
return false
}
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
}
func (r1 *SMIMEA) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*SMIMEA)
if !ok {
return false
}
_ = r2
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 (r1 *SOA) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*SOA)
if !ok {
return false
}
_ = r2
if !isDuplicateName(r1.Ns, r2.Ns) {
return false
}
if !isDuplicateName(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 (r1 *SPF) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*SPF)
if !ok {
return false
}
_ = r2
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 (r1 *SRV) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*SRV)
if !ok {
return false
}
_ = r2
if r1.Priority != r2.Priority {
return false
}
if r1.Weight != r2.Weight {
return false
}
if r1.Port != r2.Port {
return false
}
if !isDuplicateName(r1.Target, r2.Target) {
return false
}
return true
}
func (r1 *SSHFP) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*SSHFP)
if !ok {
return false
}
_ = r2
if r1.Algorithm != r2.Algorithm {
return false
}
if r1.Type != r2.Type {
return false
}
if r1.FingerPrint != r2.FingerPrint {
return false
}
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 {
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 *TALINK) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*TALINK)
if !ok {
return false
}
_ = r2
if !isDuplicateName(r1.PreviousName, r2.PreviousName) {
return false
}
if !isDuplicateName(r1.NextName, r2.NextName) {
return false
}
return true
}
func (r1 *TKEY) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*TKEY)
if !ok {
return false
}
_ = r2
if !isDuplicateName(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 (r1 *TLSA) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*TLSA)
if !ok {
return false
}
_ = r2
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 (r1 *TSIG) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*TSIG)
if !ok {
return false
}
_ = r2
if !isDuplicateName(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 (r1 *TXT) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*TXT)
if !ok {
return false
}
_ = r2
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 (r1 *UID) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*UID)
if !ok {
return false
}
_ = r2
if r1.Uid != r2.Uid {
return false
}
return true
}
func (r1 *UINFO) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*UINFO)
if !ok {
return false
}
_ = r2
if r1.Uinfo != r2.Uinfo {
return false
}
return true
}
func (r1 *URI) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*URI)
if !ok {
return false
}
_ = r2
if r1.Priority != r2.Priority {
return false
}
if r1.Weight != r2.Weight {
return false
}
if r1.Target != r2.Target {
return false
}
return true
}
func (r1 *X25) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*X25)
if !ok {
return false
}
_ = r2
if r1.PSDNAddress != r2.PSDNAddress {
return false
}
return true
}
func (r1 *ZONEMD) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*ZONEMD)
if !ok {
return false
}
_ = r2
if r1.Serial != r2.Serial {
return false
}
if r1.Scheme != r2.Scheme {
return false
}
if r1.Hash != r2.Hash {
return false
}
if r1.Digest != r2.Digest {
return false
}
return true
}
vendor/github.com/miekg/dns/zgenerate.go deleted 100644 → 0
View file @ d6da5f9f
package dns
import (
"bytes"
"fmt"
"strconv"
"strings"
)
// Parse the $GENERATE statement as used in BIND9 zones.
// See http://www.zytrax.com/books/dns/ch8/generate.html for instance.
// We are called after '$GENERATE '. After which we expect:
// * the range (12-24/2)
// * lhs (ownername)
// * [[ttl][class]]
// * type
// * rhs (rdata)
// But we are lazy here, only the range is parsed *all* occurences
// of $ after that are interpreted.
// Any error are returned as a string value, the empty string signals
// "no error".
func generate(l lex, c chan lex, t chan *Token, o string) string {
step := 1
if i := strings.IndexAny(l.token, "/"); i != -1 {
if i+1 == len(l.token) {
return "bad step in $GENERATE range"
}
if s, e := strconv.Atoi(l.token[i+1:]); e == nil {
if s < 0 {
return "bad step in $GENERATE range"
}
step = s
} else {
return "bad step in $GENERATE range"
}
l.token = l.token[:i]
}
sx := strings.SplitN(l.token, "-", 2)
if len(sx) != 2 {
return "bad start-stop in $GENERATE range"
}
start, err := strconv.Atoi(sx[0])
if err != nil {
return "bad start in $GENERATE range"
}
end, err := strconv.Atoi(sx[1])
if err != nil {
return "bad stop in $GENERATE range"
}
if end < 0 || start < 0 || end < start {
return "bad range in $GENERATE range"
}
<-c // _BLANK
// Create a complete new string, which we then parse again.
s := ""
BuildRR:
l = <-c
if l.value != zNewline && l.value != zEOF {
s += l.token
goto BuildRR
}
for i := start; i <= end; i += step {
var (
escape bool
dom bytes.Buffer
mod string
err string
offset int
)
for j := 0; j < len(s); j++ { // No 'range' because we need to jump around
switch s[j] {
case '\\':
if escape {
dom.WriteByte('\\')
escape = false
continue
}
escape = true
case '$':
mod = "%d"
offset = 0
if escape {
dom.WriteByte('$')
escape = false
continue
}
escape = false
if j+1 >= len(s) { // End of the string
dom.WriteString(fmt.Sprintf(mod, i+offset))
continue
} else {
if s[j+1] == '$' {
dom.WriteByte('$')
j++
continue
}
}
// Search for { and }
if s[j+1] == '{' { // Modifier block
sep := strings.Index(s[j+2:], "}")
if sep == -1 {
return "bad modifier in $GENERATE"
}
mod, offset, err = modToPrintf(s[j+2 : j+2+sep])
if err != "" {
return err
}
j += 2 + sep // Jump to it
}
dom.WriteString(fmt.Sprintf(mod, i+offset))
default:
if escape { // Pretty useless here
escape = false
continue
}
dom.WriteByte(s[j])
}
}
// Re-parse the RR and send it on the current channel t
rx, e := NewRR("$ORIGIN " + o + "\n" + dom.String())
if e != nil {
return e.(*ParseError).err
}
t <- &Token{RR: rx}
// Its more efficient to first built the rrlist and then parse it in
// one go! But is this a problem?
}
return ""
}
// Convert a $GENERATE modifier 0,0,d to something Printf can deal with.
func modToPrintf(s string) (string, int, string) {
xs := strings.SplitN(s, ",", 3)
if len(xs) != 3 {
return "", 0, "bad modifier in $GENERATE"
}
// xs[0] is offset, xs[1] is width, xs[2] is base
if xs[2] != "o" && xs[2] != "d" && xs[2] != "x" && xs[2] != "X" {
return "", 0, "bad base in $GENERATE"
}
offset, err := strconv.Atoi(xs[0])
if err != nil || offset > 255 {
return "", 0, "bad offset in $GENERATE"
}
width, err := strconv.Atoi(xs[1])
if err != nil || width > 255 {
return "", offset, "bad width in $GENERATE"
}
switch {
case width < 0:
return "", offset, "bad width in $GENERATE"
case width == 0:
return "%" + xs[1] + xs[2], offset, ""
}
return "%0" + xs[1] + xs[2], offset, ""
}
vendor/github.com/miekg/dns/zmsg.go 0 → 100644
View file @ 2988b5a6
// Code generated by "go run msg_generate.go"; DO NOT EDIT.
package dns
// pack*() functions
func (rr *A) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDataA(rr.A, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *AAAA) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDataAAAA(rr.AAAA, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *AFSDB) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Subtype, msg, off)
if err != nil {
return off, err
}
off, err = packDomainName(rr.Hostname, msg, off, compression, false)
if err != nil {
return off, err
}
return off, nil
}
func (rr *ANY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
return off, nil
}
func (rr *APL) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDataApl(rr.Prefixes, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *AVC) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packStringTxt(rr.Txt, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *CAA) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint8(rr.Flag, msg, off)
if err != nil {
return off, err
}
off, err = packString(rr.Tag, msg, off)
if err != nil {
return off, err
}
off, err = packStringOctet(rr.Value, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *CDNSKEY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Flags, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Protocol, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Algorithm, msg, off)
if err != nil {
return off, err
}
off, err = packStringBase64(rr.PublicKey, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *CDS) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.KeyTag, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Algorithm, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.DigestType, msg, off)
if err != nil {
return off, err
}
off, err = packStringHex(rr.Digest, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *CERT) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Type, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.KeyTag, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Algorithm, msg, off)
if err != nil {
return off, err
}
off, err = packStringBase64(rr.Certificate, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *CNAME) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Target, msg, off, compression, compress)
if err != nil {
return off, err
}
return off, nil
}
func (rr *CSYNC) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint32(rr.Serial, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.Flags, msg, off)
if err != nil {
return off, err
}
off, err = packDataNsec(rr.TypeBitMap, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *DHCID) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packStringBase64(rr.Digest, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *DLV) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.KeyTag, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Algorithm, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.DigestType, msg, off)
if err != nil {
return off, err
}
off, err = packStringHex(rr.Digest, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *DNAME) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Target, msg, off, compression, false)
if err != nil {
return off, err
}
return off, nil
}
func (rr *DNSKEY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Flags, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Protocol, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Algorithm, msg, off)
if err != nil {
return off, err
}
off, err = packStringBase64(rr.PublicKey, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *DS) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.KeyTag, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Algorithm, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.DigestType, msg, off)
if err != nil {
return off, err
}
off, err = packStringHex(rr.Digest, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *EID) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packStringHex(rr.Endpoint, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *EUI48) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint48(rr.Address, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *EUI64) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint64(rr.Address, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *GID) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint32(rr.Gid, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *GPOS) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packString(rr.Longitude, msg, off)
if err != nil {
return off, err
}
off, err = packString(rr.Latitude, msg, off)
if err != nil {
return off, err
}
off, err = packString(rr.Altitude, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *HINFO) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packString(rr.Cpu, msg, off)
if err != nil {
return off, err
}
off, err = packString(rr.Os, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *HIP) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint8(rr.HitLength, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.PublicKeyAlgorithm, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.PublicKeyLength, msg, off)
if err != nil {
return off, err
}
off, err = packStringHex(rr.Hit, msg, off)
if err != nil {
return off, err
}
off, err = packStringBase64(rr.PublicKey, msg, off)
if err != nil {
return off, err
}
off, err = packDataDomainNames(rr.RendezvousServers, msg, off, compression, false)
if err != nil {
return off, err
}
return off, nil
}
func (rr *HTTPS) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Priority, msg, off)
if err != nil {
return off, err
}
off, err = packDomainName(rr.Target, msg, off, compression, false)
if err != nil {
return off, err
}
off, err = packDataSVCB(rr.Value, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *KEY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Flags, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Protocol, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Algorithm, msg, off)
if err != nil {
return off, err
}
off, err = packStringBase64(rr.PublicKey, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *KX) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Preference, msg, off)
if err != nil {
return off, err
}
off, err = packDomainName(rr.Exchanger, msg, off, compression, false)
if err != nil {
return off, err
}
return off, nil
}
func (rr *L32) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Preference, msg, off)
if err != nil {
return off, err
}
off, err = packDataA(rr.Locator32, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *L64) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Preference, msg, off)
if err != nil {
return off, err
}
off, err = packUint64(rr.Locator64, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *LOC) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint8(rr.Version, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Size, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.HorizPre, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.VertPre, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(rr.Latitude, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(rr.Longitude, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(rr.Altitude, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *LP) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Preference, msg, off)
if err != nil {
return off, err
}
off, err = packDomainName(rr.Fqdn, msg, off, compression, false)
if err != nil {
return off, err
}
return off, nil
}
func (rr *MB) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Mb, msg, off, compression, compress)
if err != nil {
return off, err
}
return off, nil
}
func (rr *MD) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Md, msg, off, compression, compress)
if err != nil {
return off, err
}
return off, nil
}
func (rr *MF) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Mf, msg, off, compression, compress)
if err != nil {
return off, err
}
return off, nil
}
func (rr *MG) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Mg, msg, off, compression, compress)
if err != nil {
return off, err
}
return off, nil
}
func (rr *MINFO) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Rmail, msg, off, compression, compress)
if err != nil {
return off, err
}
off, err = packDomainName(rr.Email, msg, off, compression, compress)
if err != nil {
return off, err
}
return off, nil
}
func (rr *MR) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Mr, msg, off, compression, compress)
if err != nil {
return off, err
}
return off, nil
}
func (rr *MX) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Preference, msg, off)
if err != nil {
return off, err
}
off, err = packDomainName(rr.Mx, msg, off, compression, compress)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NAPTR) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Order, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.Preference, msg, off)
if err != nil {
return off, err
}
off, err = packString(rr.Flags, msg, off)
if err != nil {
return off, err
}
off, err = packString(rr.Service, msg, off)
if err != nil {
return off, err
}
off, err = packString(rr.Regexp, msg, off)
if err != nil {
return off, err
}
off, err = packDomainName(rr.Replacement, msg, off, compression, false)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NID) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Preference, msg, off)
if err != nil {
return off, err
}
off, err = packUint64(rr.NodeID, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NIMLOC) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packStringHex(rr.Locator, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NINFO) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packStringTxt(rr.ZSData, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NS) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Ns, msg, off, compression, compress)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NSAPPTR) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Ptr, msg, off, compression, false)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NSEC) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.NextDomain, msg, off, compression, false)
if err != nil {
return off, err
}
off, err = packDataNsec(rr.TypeBitMap, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NSEC3) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint8(rr.Hash, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Flags, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.Iterations, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.SaltLength, msg, off)
if err != nil {
return off, err
}
// Only pack salt if value is not "-", i.e. empty
if rr.Salt != "-" {
off, err = packStringHex(rr.Salt, msg, off)
if err != nil {
return off, err
}
}
off, err = packUint8(rr.HashLength, msg, off)
if err != nil {
return off, err
}
off, err = packStringBase32(rr.NextDomain, msg, off)
if err != nil {
return off, err
}
off, err = packDataNsec(rr.TypeBitMap, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NSEC3PARAM) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint8(rr.Hash, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Flags, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.Iterations, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.SaltLength, msg, off)
if err != nil {
return off, err
}
// Only pack salt if value is not "-", i.e. empty
if rr.Salt != "-" {
off, err = packStringHex(rr.Salt, msg, off)
if err != nil {
return off, err
}
}
return off, nil
}
func (rr *NULL) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packStringAny(rr.Data, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *OPENPGPKEY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packStringBase64(rr.PublicKey, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *OPT) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDataOpt(rr.Option, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *PTR) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Ptr, msg, off, compression, compress)
if err != nil {
return off, err
}
return off, nil
}
func (rr *PX) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Preference, msg, off)
if err != nil {
return off, err
}
off, err = packDomainName(rr.Map822, msg, off, compression, false)
if err != nil {
return off, err
}
off, err = packDomainName(rr.Mapx400, msg, off, compression, false)
if err != nil {
return off, err
}
return off, nil
}
func (rr *RFC3597) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packStringHex(rr.Rdata, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *RKEY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Flags, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Protocol, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Algorithm, msg, off)
if err != nil {
return off, err
}
off, err = packStringBase64(rr.PublicKey, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *RP) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Mbox, msg, off, compression, false)
if err != nil {
return off, err
}
off, err = packDomainName(rr.Txt, msg, off, compression, false)
if err != nil {
return off, err
}
return off, nil
}
func (rr *RRSIG) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.TypeCovered, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Algorithm, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Labels, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(rr.OrigTtl, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(rr.Expiration, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(rr.Inception, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.KeyTag, msg, off)
if err != nil {
return off, err
}
off, err = packDomainName(rr.SignerName, msg, off, compression, false)
if err != nil {
return off, err
}
off, err = packStringBase64(rr.Signature, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *RT) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Preference, msg, off)
if err != nil {
return off, err
}
off, err = packDomainName(rr.Host, msg, off, compression, false)
if err != nil {
return off, err
}
return off, nil
}
func (rr *SIG) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.TypeCovered, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Algorithm, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Labels, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(rr.OrigTtl, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(rr.Expiration, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(rr.Inception, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.KeyTag, msg, off)
if err != nil {
return off, err
}
off, err = packDomainName(rr.SignerName, msg, off, compression, false)
if err != nil {
return off, err
}
off, err = packStringBase64(rr.Signature, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *SMIMEA) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint8(rr.Usage, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Selector, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.MatchingType, msg, off)
if err != nil {
return off, err
}
off, err = packStringHex(rr.Certificate, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *SOA) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Ns, msg, off, compression, compress)
if err != nil {
return off, err
}
off, err = packDomainName(rr.Mbox, msg, off, compression, compress)
if err != nil {
return off, err
}
off, err = packUint32(rr.Serial, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(rr.Refresh, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(rr.Retry, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(rr.Expire, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(rr.Minttl, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *SPF) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packStringTxt(rr.Txt, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *SRV) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Priority, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.Weight, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.Port, msg, off)
if err != nil {
return off, err
}
off, err = packDomainName(rr.Target, msg, off, compression, false)
if err != nil {
return off, err
}
return off, nil
}
func (rr *SSHFP) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint8(rr.Algorithm, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Type, msg, off)
if err != nil {
return off, err
}
off, err = packStringHex(rr.FingerPrint, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *SVCB) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Priority, msg, off)
if err != nil {
return off, err
}
off, err = packDomainName(rr.Target, msg, off, compression, false)
if err != nil {
return off, err
}
off, err = packDataSVCB(rr.Value, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *TA) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.KeyTag, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Algorithm, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.DigestType, msg, off)
if err != nil {
return off, err
}
off, err = packStringHex(rr.Digest, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *TALINK) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.PreviousName, msg, off, compression, false)
if err != nil {
return off, err
}
off, err = packDomainName(rr.NextName, msg, off, compression, false)
if err != nil {
return off, err
}
return off, nil
}
func (rr *TKEY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Algorithm, msg, off, compression, false)
if err != nil {
return off, err
}
off, err = packUint32(rr.Inception, msg, off)
if err != nil {
return off, err
}
off, err = packUint32(rr.Expiration, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.Mode, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.Error, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.KeySize, msg, off)
if err != nil {
return off, err
}
off, err = packStringHex(rr.Key, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.OtherLen, msg, off)
if err != nil {
return off, err
}
off, err = packStringHex(rr.OtherData, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *TLSA) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint8(rr.Usage, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Selector, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.MatchingType, msg, off)
if err != nil {
return off, err
}
off, err = packStringHex(rr.Certificate, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *TSIG) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDomainName(rr.Algorithm, msg, off, compression, false)
if err != nil {
return off, err
}
off, err = packUint48(rr.TimeSigned, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.Fudge, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.MACSize, msg, off)
if err != nil {
return off, err
}
off, err = packStringHex(rr.MAC, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.OrigId, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.Error, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.OtherLen, msg, off)
if err != nil {
return off, err
}
off, err = packStringHex(rr.OtherData, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *TXT) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packStringTxt(rr.Txt, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *UID) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint32(rr.Uid, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *UINFO) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packString(rr.Uinfo, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *URI) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint16(rr.Priority, msg, off)
if err != nil {
return off, err
}
off, err = packUint16(rr.Weight, msg, off)
if err != nil {
return off, err
}
off, err = packStringOctet(rr.Target, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *X25) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packString(rr.PSDNAddress, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *ZONEMD) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packUint32(rr.Serial, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Scheme, msg, off)
if err != nil {
return off, err
}
off, err = packUint8(rr.Hash, msg, off)
if err != nil {
return off, err
}
off, err = packStringHex(rr.Digest, msg, off)
if err != nil {
return off, err
}
return off, nil
}
// unpack*() functions
func (rr *A) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.A, off, err = unpackDataA(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *AAAA) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.AAAA, off, err = unpackDataAAAA(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *AFSDB) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Subtype, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Hostname, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *ANY) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
return off, nil
}
func (rr *APL) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Prefixes, off, err = unpackDataApl(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *AVC) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Txt, off, err = unpackStringTxt(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *CAA) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Flag, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Tag, off, err = unpackString(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Value, off, err = unpackStringOctet(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *CDNSKEY) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Flags, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Protocol, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Algorithm, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.PublicKey, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *CDS) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.KeyTag, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Algorithm, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.DigestType, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Digest, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *CERT) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Type, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.KeyTag, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Algorithm, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Certificate, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *CNAME) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Target, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *CSYNC) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Serial, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Flags, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.TypeBitMap, off, err = unpackDataNsec(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *DHCID) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Digest, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *DLV) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.KeyTag, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Algorithm, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.DigestType, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Digest, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *DNAME) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Target, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *DNSKEY) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Flags, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Protocol, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Algorithm, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.PublicKey, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *DS) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.KeyTag, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Algorithm, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.DigestType, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Digest, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *EID) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Endpoint, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *EUI48) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Address, off, err = unpackUint48(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *EUI64) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Address, off, err = unpackUint64(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *GID) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Gid, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *GPOS) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Longitude, off, err = unpackString(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Latitude, off, err = unpackString(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Altitude, off, err = unpackString(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *HINFO) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Cpu, off, err = unpackString(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Os, off, err = unpackString(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *HIP) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.HitLength, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.PublicKeyAlgorithm, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.PublicKeyLength, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Hit, off, err = unpackStringHex(msg, off, off+int(rr.HitLength))
if err != nil {
return off, err
}
rr.PublicKey, off, err = unpackStringBase64(msg, off, off+int(rr.PublicKeyLength))
if err != nil {
return off, err
}
rr.RendezvousServers, off, err = unpackDataDomainNames(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *HTTPS) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Priority, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Target, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Value, off, err = unpackDataSVCB(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *KEY) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Flags, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Protocol, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Algorithm, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.PublicKey, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *KX) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Preference, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Exchanger, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *L32) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Preference, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Locator32, off, err = unpackDataA(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *L64) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Preference, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Locator64, off, err = unpackUint64(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *LOC) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Version, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Size, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.HorizPre, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.VertPre, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Latitude, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Longitude, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Altitude, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *LP) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Preference, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Fqdn, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *MB) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Mb, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *MD) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Md, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *MF) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Mf, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *MG) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Mg, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *MINFO) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Rmail, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Email, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *MR) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Mr, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *MX) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Preference, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Mx, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NAPTR) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Order, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Preference, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Flags, off, err = unpackString(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Service, off, err = unpackString(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Regexp, off, err = unpackString(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Replacement, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NID) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Preference, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.NodeID, off, err = unpackUint64(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NIMLOC) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Locator, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *NINFO) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.ZSData, off, err = unpackStringTxt(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NS) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Ns, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NSAPPTR) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Ptr, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NSEC) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.NextDomain, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.TypeBitMap, off, err = unpackDataNsec(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NSEC3) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Hash, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Flags, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Iterations, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.SaltLength, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Salt, off, err = unpackStringHex(msg, off, off+int(rr.SaltLength))
if err != nil {
return off, err
}
rr.HashLength, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.NextDomain, off, err = unpackStringBase32(msg, off, off+int(rr.HashLength))
if err != nil {
return off, err
}
rr.TypeBitMap, off, err = unpackDataNsec(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *NSEC3PARAM) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Hash, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Flags, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Iterations, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.SaltLength, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Salt, off, err = unpackStringHex(msg, off, off+int(rr.SaltLength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *NULL) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Data, off, err = unpackStringAny(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *OPENPGPKEY) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.PublicKey, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *OPT) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Option, off, err = unpackDataOpt(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *PTR) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Ptr, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *PX) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Preference, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Map822, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Mapx400, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *RFC3597) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Rdata, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *RKEY) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Flags, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Protocol, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Algorithm, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.PublicKey, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *RP) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Mbox, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Txt, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *RRSIG) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.TypeCovered, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Algorithm, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Labels, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.OrigTtl, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Expiration, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Inception, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.KeyTag, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.SignerName, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Signature, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *RT) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Preference, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Host, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *SIG) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.TypeCovered, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Algorithm, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Labels, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.OrigTtl, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Expiration, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Inception, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.KeyTag, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.SignerName, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Signature, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *SMIMEA) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Usage, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Selector, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.MatchingType, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Certificate, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *SOA) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Ns, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Mbox, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Serial, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Refresh, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Retry, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Expire, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Minttl, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *SPF) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Txt, off, err = unpackStringTxt(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *SRV) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Priority, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Weight, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Port, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Target, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *SSHFP) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Algorithm, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Type, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.FingerPrint, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *SVCB) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Priority, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Target, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Value, off, err = unpackDataSVCB(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *TA) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.KeyTag, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Algorithm, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.DigestType, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Digest, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *TALINK) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.PreviousName, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.NextName, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *TKEY) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Algorithm, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Inception, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Expiration, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Mode, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Error, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.KeySize, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Key, off, err = unpackStringHex(msg, off, off+int(rr.KeySize))
if err != nil {
return off, err
}
rr.OtherLen, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.OtherData, off, err = unpackStringHex(msg, off, off+int(rr.OtherLen))
if err != nil {
return off, err
}
return off, nil
}
func (rr *TLSA) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Usage, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Selector, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.MatchingType, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Certificate, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
func (rr *TSIG) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Algorithm, off, err = UnpackDomainName(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.TimeSigned, off, err = unpackUint48(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Fudge, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.MACSize, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.MAC, off, err = unpackStringHex(msg, off, off+int(rr.MACSize))
if err != nil {
return off, err
}
rr.OrigId, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Error, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.OtherLen, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.OtherData, off, err = unpackStringHex(msg, off, off+int(rr.OtherLen))
if err != nil {
return off, err
}
return off, nil
}
func (rr *TXT) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Txt, off, err = unpackStringTxt(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *UID) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Uid, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *UINFO) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Uinfo, off, err = unpackString(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *URI) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Priority, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Weight, off, err = unpackUint16(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Target, off, err = unpackStringOctet(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *X25) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.PSDNAddress, off, err = unpackString(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *ZONEMD) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Serial, off, err = unpackUint32(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Scheme, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Hash, off, err = unpackUint8(msg, off)
if err != nil {
return off, err
}
if off == len(msg) {
return off, nil
}
rr.Digest, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength))
if err != nil {
return off, err
}
return off, nil
}
vendor/github.com/miekg/dns/zscan_rr.go deleted 100644 → 0
View file @ d6da5f9f
package dns
import (
"encoding/base64"
"net"
"strconv"
"strings"
)
type parserFunc struct {
// Func defines the function that parses the tokens and returns the RR
// or an error. The last string contains any comments in the line as
// they returned by the lexer as well.
Func func(h RR_Header, c chan lex, origin string, file string) (RR, *ParseError, string)
// Signals if the RR ending is of variable length, like TXT or records
// that have Hexadecimal or Base64 as their last element in the Rdata. Records
// that have a fixed ending or for instance A, AAAA, SOA and etc.
Variable bool
}
// Parse the rdata of each rrtype.
// All data from the channel c is either zString or zBlank.
// After the rdata there may come a zBlank and then a zNewline
// or immediately a zNewline. If this is not the case we flag
// an *ParseError: garbage after rdata.
func setRR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
parserfunc, ok := typeToparserFunc[h.Rrtype]
if ok {
r, e, cm := parserfunc.Func(h, c, o, f)
if parserfunc.Variable {
return r, e, cm
}
if e != nil {
return nil, e, ""
}
e, cm = slurpRemainder(c, f)
if e != nil {
return nil, e, ""
}
return r, nil, cm
}
// RFC3957 RR (Unknown RR handling)
return setRFC3597(h, c, o, f)
}
// A remainder of the rdata with embedded spaces, return the parsed string (sans the spaces)
// or an error
func endingToString(c chan lex, errstr, f string) (string, *ParseError, string) {
s := ""
l := <-c // zString
for l.value != zNewline && l.value != zEOF {
if l.err {
return s, &ParseError{f, errstr, l}, ""
}
switch l.value {
case zString:
s += l.token
case zBlank: // Ok
default:
return "", &ParseError{f, errstr, l}, ""
}
l = <-c
}
return s, nil, l.comment
}
// A remainder of the rdata with embedded spaces, return the parsed string slice (sans the spaces)
// or an error
func endingToTxtSlice(c chan lex, errstr, f string) ([]string, *ParseError, string) {
// Get the remaining data until we see a zNewline
quote := false
l := <-c
var s []string
if l.err {
return s, &ParseError{f, errstr, l}, ""
}
switch l.value == zQuote {
case true: // A number of quoted string
s = make([]string, 0)
empty := true
for l.value != zNewline && l.value != zEOF {
if l.err {
return nil, &ParseError{f, errstr, l}, ""
}
switch l.value {
case zString:
empty = false
if len(l.token) > 255 {
// split up tokens that are larger than 255 into 255-chunks
sx := []string{}
p, i := 0, 255
for {
if i <= len(l.token) {
sx = append(sx, l.token[p:i])
} else {
sx = append(sx, l.token[p:])
break
}
p, i = p+255, i+255
}
s = append(s, sx...)
break
}
s = append(s, l.token)
case zBlank:
if quote {
// zBlank can only be seen in between txt parts.
return nil, &ParseError{f, errstr, l}, ""
}
case zQuote:
if empty && quote {
s = append(s, "")
}
quote = !quote
empty = true
default:
return nil, &ParseError{f, errstr, l}, ""
}
l = <-c
}
if quote {
return nil, &ParseError{f, errstr, l}, ""
}
case false: // Unquoted text record
s = make([]string, 1)
for l.value != zNewline && l.value != zEOF {
if l.err {
return s, &ParseError{f, errstr, l}, ""
}
s[0] += l.token
l = <-c
}
}
return s, nil, l.comment
}
func setA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(A)
rr.Hdr = h
l := <-c
if l.length == 0 { // Dynamic updates.
return rr, nil, ""
}
rr.A = net.ParseIP(l.token)
if rr.A == nil || l.err {
return nil, &ParseError{f, "bad A A", l}, ""
}
return rr, nil, ""
}
func setAAAA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(AAAA)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
rr.AAAA = net.ParseIP(l.token)
if rr.AAAA == nil || l.err {
return nil, &ParseError{f, "bad AAAA AAAA", l}, ""
}
return rr, nil, ""
}
func setNS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NS)
rr.Hdr = h
l := <-c
rr.Ns = l.token
if l.length == 0 {
return rr, nil, ""
}
if l.token == "@" {
rr.Ns = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad NS Ns", l}, ""
}
if rr.Ns[l.length-1] != '.' {
rr.Ns = appendOrigin(rr.Ns, o)
}
return rr, nil, ""
}
func setPTR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(PTR)
rr.Hdr = h
l := <-c
rr.Ptr = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
if l.token == "@" {
rr.Ptr = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad PTR Ptr", l}, ""
}
if rr.Ptr[l.length-1] != '.' {
rr.Ptr = appendOrigin(rr.Ptr, o)
}
return rr, nil, ""
}
func setNSAPPTR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NSAPPTR)
rr.Hdr = h
l := <-c
rr.Ptr = l.token
if l.length == 0 {
return rr, nil, ""
}
if l.token == "@" {
rr.Ptr = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad NSAP-PTR Ptr", l}, ""
}
if rr.Ptr[l.length-1] != '.' {
rr.Ptr = appendOrigin(rr.Ptr, o)
}
return rr, nil, ""
}
func setRP(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(RP)
rr.Hdr = h
l := <-c
rr.Mbox = l.token
if l.length == 0 {
return rr, nil, ""
}
if l.token == "@" {
rr.Mbox = o
} else {
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad RP Mbox", l}, ""
}
if rr.Mbox[l.length-1] != '.' {
rr.Mbox = appendOrigin(rr.Mbox, o)
}
}
<-c // zBlank
l = <-c
rr.Txt = l.token
if l.token == "@" {
rr.Txt = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad RP Txt", l}, ""
}
if rr.Txt[l.length-1] != '.' {
rr.Txt = appendOrigin(rr.Txt, o)
}
return rr, nil, ""
}
func setMR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(MR)
rr.Hdr = h
l := <-c
rr.Mr = l.token
if l.length == 0 {
return rr, nil, ""
}
if l.token == "@" {
rr.Mr = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad MR Mr", l}, ""
}
if rr.Mr[l.length-1] != '.' {
rr.Mr = appendOrigin(rr.Mr, o)
}
return rr, nil, ""
}
func setMB(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(MB)
rr.Hdr = h
l := <-c
rr.Mb = l.token
if l.length == 0 {
return rr, nil, ""
}
if l.token == "@" {
rr.Mb = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad MB Mb", l}, ""
}
if rr.Mb[l.length-1] != '.' {
rr.Mb = appendOrigin(rr.Mb, o)
}
return rr, nil, ""
}
func setMG(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(MG)
rr.Hdr = h
l := <-c
rr.Mg = l.token
if l.length == 0 {
return rr, nil, ""
}
if l.token == "@" {
rr.Mg = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad MG Mg", l}, ""
}
if rr.Mg[l.length-1] != '.' {
rr.Mg = appendOrigin(rr.Mg, o)
}
return rr, nil, ""
}
func setHINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(HINFO)
rr.Hdr = h
chunks, e, c1 := endingToTxtSlice(c, "bad HINFO Fields", f)
if e != nil {
return nil, e, c1
}
if ln := len(chunks); ln == 0 {
return rr, nil, ""
} else if ln == 1 {
// Can we split it?
if out := strings.Fields(chunks[0]); len(out) > 1 {
chunks = out
} else {
chunks = append(chunks, "")
}
}
rr.Cpu = chunks[0]
rr.Os = strings.Join(chunks[1:], " ")
return rr, nil, ""
}
func setMINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(MINFO)
rr.Hdr = h
l := <-c
rr.Rmail = l.token
if l.length == 0 {
return rr, nil, ""
}
if l.token == "@" {
rr.Rmail = o
} else {
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad MINFO Rmail", l}, ""
}
if rr.Rmail[l.length-1] != '.' {
rr.Rmail = appendOrigin(rr.Rmail, o)
}
}
<-c // zBlank
l = <-c
rr.Email = l.token
if l.token == "@" {
rr.Email = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad MINFO Email", l}, ""
}
if rr.Email[l.length-1] != '.' {
rr.Email = appendOrigin(rr.Email, o)
}
return rr, nil, ""
}
func setMF(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(MF)
rr.Hdr = h
l := <-c
rr.Mf = l.token
if l.length == 0 {
return rr, nil, ""
}
if l.token == "@" {
rr.Mf = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad MF Mf", l}, ""
}
if rr.Mf[l.length-1] != '.' {
rr.Mf = appendOrigin(rr.Mf, o)
}
return rr, nil, ""
}
func setMD(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(MD)
rr.Hdr = h
l := <-c
rr.Md = l.token
if l.length == 0 {
return rr, nil, ""
}
if l.token == "@" {
rr.Md = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad MD Md", l}, ""
}
if rr.Md[l.length-1] != '.' {
rr.Md = appendOrigin(rr.Md, o)
}
return rr, nil, ""
}
func setMX(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(MX)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad MX Pref", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Mx = l.token
if l.token == "@" {
rr.Mx = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad MX Mx", l}, ""
}
if rr.Mx[l.length-1] != '.' {
rr.Mx = appendOrigin(rr.Mx, o)
}
return rr, nil, ""
}
func setRT(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(RT)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil {
return nil, &ParseError{f, "bad RT Preference", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Host = l.token
if l.token == "@" {
rr.Host = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad RT Host", l}, ""
}
if rr.Host[l.length-1] != '.' {
rr.Host = appendOrigin(rr.Host, o)
}
return rr, nil, ""
}
func setAFSDB(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(AFSDB)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad AFSDB Subtype", l}, ""
}
rr.Subtype = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Hostname = l.token
if l.token == "@" {
rr.Hostname = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad AFSDB Hostname", l}, ""
}
if rr.Hostname[l.length-1] != '.' {
rr.Hostname = appendOrigin(rr.Hostname, o)
}
return rr, nil, ""
}
func setX25(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(X25)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
if l.err {
return nil, &ParseError{f, "bad X25 PSDNAddress", l}, ""
}
rr.PSDNAddress = l.token
return rr, nil, ""
}
func setKX(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(KX)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad KX Pref", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Exchanger = l.token
if l.token == "@" {
rr.Exchanger = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad KX Exchanger", l}, ""
}
if rr.Exchanger[l.length-1] != '.' {
rr.Exchanger = appendOrigin(rr.Exchanger, o)
}
return rr, nil, ""
}
func setCNAME(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(CNAME)
rr.Hdr = h
l := <-c
rr.Target = l.token
if l.length == 0 {
return rr, nil, ""
}
if l.token == "@" {
rr.Target = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad CNAME Target", l}, ""
}
if rr.Target[l.length-1] != '.' {
rr.Target = appendOrigin(rr.Target, o)
}
return rr, nil, ""
}
func setDNAME(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(DNAME)
rr.Hdr = h
l := <-c
rr.Target = l.token
if l.length == 0 {
return rr, nil, ""
}
if l.token == "@" {
rr.Target = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad CNAME Target", l}, ""
}
if rr.Target[l.length-1] != '.' {
rr.Target = appendOrigin(rr.Target, o)
}
return rr, nil, ""
}
func setSOA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(SOA)
rr.Hdr = h
l := <-c
rr.Ns = l.token
if l.length == 0 {
return rr, nil, ""
}
<-c // zBlank
if l.token == "@" {
rr.Ns = o
} else {
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad SOA Ns", l}, ""
}
if rr.Ns[l.length-1] != '.' {
rr.Ns = appendOrigin(rr.Ns, o)
}
}
l = <-c
rr.Mbox = l.token
if l.token == "@" {
rr.Mbox = o
} else {
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad SOA Mbox", l}, ""
}
if rr.Mbox[l.length-1] != '.' {
rr.Mbox = appendOrigin(rr.Mbox, o)
}
}
<-c // zBlank
var (
v uint32
ok bool
)
for i := 0; i < 5; i++ {
l = <-c
if l.err {
return nil, &ParseError{f, "bad SOA zone parameter", l}, ""
}
if j, e := strconv.Atoi(l.token); e != nil {
if i == 0 {
// Serial should be a number
return nil, &ParseError{f, "bad SOA zone parameter", l}, ""
}
if v, ok = stringToTtl(l.token); !ok {
return nil, &ParseError{f, "bad SOA zone parameter", l}, ""
}
} else {
v = uint32(j)
}
switch i {
case 0:
rr.Serial = v
<-c // zBlank
case 1:
rr.Refresh = v
<-c // zBlank
case 2:
rr.Retry = v
<-c // zBlank
case 3:
rr.Expire = v
<-c // zBlank
case 4:
rr.Minttl = v
}
}
return rr, nil, ""
}
func setSRV(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(SRV)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad SRV Priority", l}, ""
}
rr.Priority = uint16(i)
<-c // zBlank
l = <-c // zString
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad SRV Weight", l}, ""
}
rr.Weight = uint16(i)
<-c // zBlank
l = <-c // zString
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad SRV Port", l}, ""
}
rr.Port = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Target = l.token
if l.token == "@" {
rr.Target = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad SRV Target", l}, ""
}
if rr.Target[l.length-1] != '.' {
rr.Target = appendOrigin(rr.Target, o)
}
return rr, nil, ""
}
func setNAPTR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NAPTR)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad NAPTR Order", l}, ""
}
rr.Order = uint16(i)
<-c // zBlank
l = <-c // zString
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad NAPTR Preference", l}, ""
}
rr.Preference = uint16(i)
// Flags
<-c // zBlank
l = <-c // _QUOTE
if l.value != zQuote {
return nil, &ParseError{f, "bad NAPTR Flags", l}, ""
}
l = <-c // Either String or Quote
if l.value == zString {
rr.Flags = l.token
l = <-c // _QUOTE
if l.value != zQuote {
return nil, &ParseError{f, "bad NAPTR Flags", l}, ""
}
} else if l.value == zQuote {
rr.Flags = ""
} else {
return nil, &ParseError{f, "bad NAPTR Flags", l}, ""
}
// Service
<-c // zBlank
l = <-c // _QUOTE
if l.value != zQuote {
return nil, &ParseError{f, "bad NAPTR Service", l}, ""
}
l = <-c // Either String or Quote
if l.value == zString {
rr.Service = l.token
l = <-c // _QUOTE
if l.value != zQuote {
return nil, &ParseError{f, "bad NAPTR Service", l}, ""
}
} else if l.value == zQuote {
rr.Service = ""
} else {
return nil, &ParseError{f, "bad NAPTR Service", l}, ""
}
// Regexp
<-c // zBlank
l = <-c // _QUOTE
if l.value != zQuote {
return nil, &ParseError{f, "bad NAPTR Regexp", l}, ""
}
l = <-c // Either String or Quote
if l.value == zString {
rr.Regexp = l.token
l = <-c // _QUOTE
if l.value != zQuote {
return nil, &ParseError{f, "bad NAPTR Regexp", l}, ""
}
} else if l.value == zQuote {
rr.Regexp = ""
} else {
return nil, &ParseError{f, "bad NAPTR Regexp", l}, ""
}
// After quote no space??
<-c // zBlank
l = <-c // zString
rr.Replacement = l.token
if l.token == "@" {
rr.Replacement = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad NAPTR Replacement", l}, ""
}
if rr.Replacement[l.length-1] != '.' {
rr.Replacement = appendOrigin(rr.Replacement, o)
}
return rr, nil, ""
}
func setTALINK(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(TALINK)
rr.Hdr = h
l := <-c
rr.PreviousName = l.token
if l.length == 0 {
return rr, nil, ""
}
if l.token == "@" {
rr.PreviousName = o
} else {
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad TALINK PreviousName", l}, ""
}
if rr.PreviousName[l.length-1] != '.' {
rr.PreviousName = appendOrigin(rr.PreviousName, o)
}
}
<-c // zBlank
l = <-c
rr.NextName = l.token
if l.token == "@" {
rr.NextName = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad TALINK NextName", l}, ""
}
if rr.NextName[l.length-1] != '.' {
rr.NextName = appendOrigin(rr.NextName, o)
}
return rr, nil, ""
}
func setLOC(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(LOC)
rr.Hdr = h
// Non zero defaults for LOC record, see RFC 1876, Section 3.
rr.HorizPre = 165 // 10000
rr.VertPre = 162 // 10
rr.Size = 18 // 1
ok := false
// North
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad LOC Latitude", l}, ""
}
rr.Latitude = 1000 * 60 * 60 * uint32(i)
<-c // zBlank
// Either number, 'N' or 'S'
l = <-c
if rr.Latitude, ok = locCheckNorth(l.token, rr.Latitude); ok {
goto East
}
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad LOC Latitude minutes", l}, ""
}
rr.Latitude += 1000 * 60 * uint32(i)
<-c // zBlank
l = <-c
if i, e := strconv.ParseFloat(l.token, 32); e != nil || l.err {
return nil, &ParseError{f, "bad LOC Latitude seconds", l}, ""
} else {
rr.Latitude += uint32(1000 * i)
}
<-c // zBlank
// Either number, 'N' or 'S'
l = <-c
if rr.Latitude, ok = locCheckNorth(l.token, rr.Latitude); ok {
goto East
}
// If still alive, flag an error
return nil, &ParseError{f, "bad LOC Latitude North/South", l}, ""
East:
// East
<-c // zBlank
l = <-c
if i, e := strconv.Atoi(l.token); e != nil || l.err {
return nil, &ParseError{f, "bad LOC Longitude", l}, ""
} else {
rr.Longitude = 1000 * 60 * 60 * uint32(i)
}
<-c // zBlank
// Either number, 'E' or 'W'
l = <-c
if rr.Longitude, ok = locCheckEast(l.token, rr.Longitude); ok {
goto Altitude
}
if i, e := strconv.Atoi(l.token); e != nil || l.err {
return nil, &ParseError{f, "bad LOC Longitude minutes", l}, ""
} else {
rr.Longitude += 1000 * 60 * uint32(i)
}
<-c // zBlank
l = <-c
if i, e := strconv.ParseFloat(l.token, 32); e != nil || l.err {
return nil, &ParseError{f, "bad LOC Longitude seconds", l}, ""
} else {
rr.Longitude += uint32(1000 * i)
}
<-c // zBlank
// Either number, 'E' or 'W'
l = <-c
if rr.Longitude, ok = locCheckEast(l.token, rr.Longitude); ok {
goto Altitude
}
// If still alive, flag an error
return nil, &ParseError{f, "bad LOC Longitude East/West", l}, ""
Altitude:
<-c // zBlank
l = <-c
if l.length == 0 || l.err {
return nil, &ParseError{f, "bad LOC Altitude", l}, ""
}
if l.token[len(l.token)-1] == 'M' || l.token[len(l.token)-1] == 'm' {
l.token = l.token[0 : len(l.token)-1]
}
if i, e := strconv.ParseFloat(l.token, 32); e != nil {
return nil, &ParseError{f, "bad LOC Altitude", l}, ""
} else {
rr.Altitude = uint32(i*100.0 + 10000000.0 + 0.5)
}
// And now optionally the other values
l = <-c
count := 0
for l.value != zNewline && l.value != zEOF {
switch l.value {
case zString:
switch count {
case 0: // Size
e, m, ok := stringToCm(l.token)
if !ok {
return nil, &ParseError{f, "bad LOC Size", l}, ""
}
rr.Size = (e & 0x0f) | (m << 4 & 0xf0)
case 1: // HorizPre
e, m, ok := stringToCm(l.token)
if !ok {
return nil, &ParseError{f, "bad LOC HorizPre", l}, ""
}
rr.HorizPre = (e & 0x0f) | (m << 4 & 0xf0)
case 2: // VertPre
e, m, ok := stringToCm(l.token)
if !ok {
return nil, &ParseError{f, "bad LOC VertPre", l}, ""
}
rr.VertPre = (e & 0x0f) | (m << 4 & 0xf0)
}
count++
case zBlank:
// Ok
default:
return nil, &ParseError{f, "bad LOC Size, HorizPre or VertPre", l}, ""
}
l = <-c
}
return rr, nil, ""
}
func setHIP(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(HIP)
rr.Hdr = h
// HitLength is not represented
l := <-c
if l.length == 0 {
return rr, nil, l.comment
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad HIP PublicKeyAlgorithm", l}, ""
}
rr.PublicKeyAlgorithm = uint8(i)
<-c // zBlank
l = <-c // zString
if l.length == 0 || l.err {
return nil, &ParseError{f, "bad HIP Hit", l}, ""
}
rr.Hit = l.token // This can not contain spaces, see RFC 5205 Section 6.
rr.HitLength = uint8(len(rr.Hit)) / 2
<-c // zBlank
l = <-c // zString
if l.length == 0 || l.err {
return nil, &ParseError{f, "bad HIP PublicKey", l}, ""
}
rr.PublicKey = l.token // This cannot contain spaces
rr.PublicKeyLength = uint16(base64.StdEncoding.DecodedLen(len(rr.PublicKey)))
// RendezvousServers (if any)
l = <-c
var xs []string
for l.value != zNewline && l.value != zEOF {
switch l.value {
case zString:
if l.token == "@" {
xs = append(xs, o)
l = <-c
continue
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad HIP RendezvousServers", l}, ""
}
if l.token[l.length-1] != '.' {
l.token = appendOrigin(l.token, o)
}
xs = append(xs, l.token)
case zBlank:
// Ok
default:
return nil, &ParseError{f, "bad HIP RendezvousServers", l}, ""
}
l = <-c
}
rr.RendezvousServers = xs
return rr, nil, l.comment
}
func setCERT(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(CERT)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, l.comment
}
if v, ok := StringToCertType[l.token]; ok {
rr.Type = v
} else if i, e := strconv.Atoi(l.token); e != nil {
return nil, &ParseError{f, "bad CERT Type", l}, ""
} else {
rr.Type = uint16(i)
}
<-c // zBlank
l = <-c // zString
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad CERT KeyTag", l}, ""
}
rr.KeyTag = uint16(i)
<-c // zBlank
l = <-c // zString
if v, ok := StringToAlgorithm[l.token]; ok {
rr.Algorithm = v
} else if i, e := strconv.Atoi(l.token); e != nil {
return nil, &ParseError{f, "bad CERT Algorithm", l}, ""
} else {
rr.Algorithm = uint8(i)
}
s, e1, c1 := endingToString(c, "bad CERT Certificate", f)
if e1 != nil {
return nil, e1, c1
}
rr.Certificate = s
return rr, nil, c1
}
func setOPENPGPKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(OPENPGPKEY)
rr.Hdr = h
s, e, c1 := endingToString(c, "bad OPENPGPKEY PublicKey", f)
if e != nil {
return nil, e, c1
}
rr.PublicKey = s
return rr, nil, c1
}
func setSIG(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
r, e, s := setRRSIG(h, c, o, f)
if r != nil {
return &SIG{*r.(*RRSIG)}, e, s
}
return nil, e, s
}
func setRRSIG(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(RRSIG)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, l.comment
}
if t, ok := StringToType[l.tokenUpper]; !ok {
if strings.HasPrefix(l.tokenUpper, "TYPE") {
t, ok = typeToInt(l.tokenUpper)
if !ok {
return nil, &ParseError{f, "bad RRSIG Typecovered", l}, ""
}
rr.TypeCovered = t
} else {
return nil, &ParseError{f, "bad RRSIG Typecovered", l}, ""
}
} else {
rr.TypeCovered = t
}
<-c // zBlank
l = <-c
i, err := strconv.Atoi(l.token)
if err != nil || l.err {
return nil, &ParseError{f, "bad RRSIG Algorithm", l}, ""
}
rr.Algorithm = uint8(i)
<-c // zBlank
l = <-c
i, err = strconv.Atoi(l.token)
if err != nil || l.err {
return nil, &ParseError{f, "bad RRSIG Labels", l}, ""
}
rr.Labels = uint8(i)
<-c // zBlank
l = <-c
i, err = strconv.Atoi(l.token)
if err != nil || l.err {
return nil, &ParseError{f, "bad RRSIG OrigTtl", l}, ""
}
rr.OrigTtl = uint32(i)
<-c // zBlank
l = <-c
if i, err := StringToTime(l.token); err != nil {
// Try to see if all numeric and use it as epoch
if i, err := strconv.ParseInt(l.token, 10, 64); err == nil {
// TODO(miek): error out on > MAX_UINT32, same below
rr.Expiration = uint32(i)
} else {
return nil, &ParseError{f, "bad RRSIG Expiration", l}, ""
}
} else {
rr.Expiration = i
}
<-c // zBlank
l = <-c
if i, err := StringToTime(l.token); err != nil {
if i, err := strconv.ParseInt(l.token, 10, 64); err == nil {
rr.Inception = uint32(i)
} else {
return nil, &ParseError{f, "bad RRSIG Inception", l}, ""
}
} else {
rr.Inception = i
}
<-c // zBlank
l = <-c
i, err = strconv.Atoi(l.token)
if err != nil || l.err {
return nil, &ParseError{f, "bad RRSIG KeyTag", l}, ""
}
rr.KeyTag = uint16(i)
<-c // zBlank
l = <-c
rr.SignerName = l.token
if l.token == "@" {
rr.SignerName = o
} else {
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad RRSIG SignerName", l}, ""
}
if rr.SignerName[l.length-1] != '.' {
rr.SignerName = appendOrigin(rr.SignerName, o)
}
}
s, e, c1 := endingToString(c, "bad RRSIG Signature", f)
if e != nil {
return nil, e, c1
}
rr.Signature = s
return rr, nil, c1
}
func setNSEC(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NSEC)
rr.Hdr = h
l := <-c
rr.NextDomain = l.token
if l.length == 0 {
return rr, nil, l.comment
}
if l.token == "@" {
rr.NextDomain = o
} else {
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad NSEC NextDomain", l}, ""
}
if rr.NextDomain[l.length-1] != '.' {
rr.NextDomain = appendOrigin(rr.NextDomain, o)
}
}
rr.TypeBitMap = make([]uint16, 0)
var (
k uint16
ok bool
)
l = <-c
for l.value != zNewline && l.value != zEOF {
switch l.value {
case zBlank:
// Ok
case zString:
if k, ok = StringToType[l.tokenUpper]; !ok {
if k, ok = typeToInt(l.tokenUpper); !ok {
return nil, &ParseError{f, "bad NSEC TypeBitMap", l}, ""
}
}
rr.TypeBitMap = append(rr.TypeBitMap, k)
default:
return nil, &ParseError{f, "bad NSEC TypeBitMap", l}, ""
}
l = <-c
}
return rr, nil, l.comment
}
func setNSEC3(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NSEC3)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, l.comment
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad NSEC3 Hash", l}, ""
}
rr.Hash = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad NSEC3 Flags", l}, ""
}
rr.Flags = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad NSEC3 Iterations", l}, ""
}
rr.Iterations = uint16(i)
<-c
l = <-c
if len(l.token) == 0 || l.err {
return nil, &ParseError{f, "bad NSEC3 Salt", l}, ""
}
rr.SaltLength = uint8(len(l.token)) / 2
rr.Salt = l.token
<-c
l = <-c
if len(l.token) == 0 || l.err {
return nil, &ParseError{f, "bad NSEC3 NextDomain", l}, ""
}
rr.HashLength = 20 // Fix for NSEC3 (sha1 160 bits)
rr.NextDomain = l.token
rr.TypeBitMap = make([]uint16, 0)
var (
k uint16
ok bool
)
l = <-c
for l.value != zNewline && l.value != zEOF {
switch l.value {
case zBlank:
// Ok
case zString:
if k, ok = StringToType[l.tokenUpper]; !ok {
if k, ok = typeToInt(l.tokenUpper); !ok {
return nil, &ParseError{f, "bad NSEC3 TypeBitMap", l}, ""
}
}
rr.TypeBitMap = append(rr.TypeBitMap, k)
default:
return nil, &ParseError{f, "bad NSEC3 TypeBitMap", l}, ""
}
l = <-c
}
return rr, nil, l.comment
}
func setNSEC3PARAM(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NSEC3PARAM)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad NSEC3PARAM Hash", l}, ""
}
rr.Hash = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad NSEC3PARAM Flags", l}, ""
}
rr.Flags = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad NSEC3PARAM Iterations", l}, ""
}
rr.Iterations = uint16(i)
<-c
l = <-c
rr.SaltLength = uint8(len(l.token))
rr.Salt = l.token
return rr, nil, ""
}
func setEUI48(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(EUI48)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
if l.length != 17 || l.err {
return nil, &ParseError{f, "bad EUI48 Address", l}, ""
}
addr := make([]byte, 12)
dash := 0
for i := 0; i < 10; i += 2 {
addr[i] = l.token[i+dash]
addr[i+1] = l.token[i+1+dash]
dash++
if l.token[i+1+dash] != '-' {
return nil, &ParseError{f, "bad EUI48 Address", l}, ""
}
}
addr[10] = l.token[15]
addr[11] = l.token[16]
i, e := strconv.ParseUint(string(addr), 16, 48)
if e != nil {
return nil, &ParseError{f, "bad EUI48 Address", l}, ""
}
rr.Address = i
return rr, nil, ""
}
func setEUI64(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(EUI64)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
if l.length != 23 || l.err {
return nil, &ParseError{f, "bad EUI64 Address", l}, ""
}
addr := make([]byte, 16)
dash := 0
for i := 0; i < 14; i += 2 {
addr[i] = l.token[i+dash]
addr[i+1] = l.token[i+1+dash]
dash++
if l.token[i+1+dash] != '-' {
return nil, &ParseError{f, "bad EUI64 Address", l}, ""
}
}
addr[14] = l.token[21]
addr[15] = l.token[22]
i, e := strconv.ParseUint(string(addr), 16, 64)
if e != nil {
return nil, &ParseError{f, "bad EUI68 Address", l}, ""
}
rr.Address = uint64(i)
return rr, nil, ""
}
func setWKS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(WKS)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, l.comment
}
rr.Address = net.ParseIP(l.token)
if rr.Address == nil || l.err {
return nil, &ParseError{f, "bad WKS Address", l}, ""
}
<-c // zBlank
l = <-c
proto := "tcp"
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad WKS Protocol", l}, ""
}
rr.Protocol = uint8(i)
switch rr.Protocol {
case 17:
proto = "udp"
case 6:
proto = "tcp"
default:
return nil, &ParseError{f, "bad WKS Protocol", l}, ""
}
<-c
l = <-c
rr.BitMap = make([]uint16, 0)
var (
k int
err error
)
for l.value != zNewline && l.value != zEOF {
switch l.value {
case zBlank:
// Ok
case zString:
if k, err = net.LookupPort(proto, l.token); err != nil {
i, e := strconv.Atoi(l.token) // If a number use that
if e != nil {
return nil, &ParseError{f, "bad WKS BitMap", l}, ""
}
rr.BitMap = append(rr.BitMap, uint16(i))
}
rr.BitMap = append(rr.BitMap, uint16(k))
default:
return nil, &ParseError{f, "bad WKS BitMap", l}, ""
}
l = <-c
}
return rr, nil, l.comment
}
func setSSHFP(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(SSHFP)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad SSHFP Algorithm", l}, ""
}
rr.Algorithm = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad SSHFP Type", l}, ""
}
rr.Type = uint8(i)
<-c // zBlank
s, e1, c1 := endingToString(c, "bad SSHFP Fingerprint", f)
if e1 != nil {
return nil, e1, c1
}
rr.FingerPrint = s
return rr, nil, ""
}
func setDNSKEYs(h RR_Header, c chan lex, o, f, typ string) (RR, *ParseError, string) {
rr := new(DNSKEY)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, l.comment
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad " + typ + " Flags", l}, ""
}
rr.Flags = uint16(i)
<-c // zBlank
l = <-c // zString
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad " + typ + " Protocol", l}, ""
}
rr.Protocol = uint8(i)
<-c // zBlank
l = <-c // zString
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad " + typ + " Algorithm", l}, ""
}
rr.Algorithm = uint8(i)
s, e1, c1 := endingToString(c, "bad "+typ+" PublicKey", f)
if e1 != nil {
return nil, e1, c1
}
rr.PublicKey = s
return rr, nil, c1
}
func setKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
r, e, s := setDNSKEYs(h, c, o, f, "KEY")
if r != nil {
return &KEY{*r.(*DNSKEY)}, e, s
}
return nil, e, s
}
func setDNSKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
r, e, s := setDNSKEYs(h, c, o, f, "DNSKEY")
return r, e, s
}
func setCDNSKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
r, e, s := setDNSKEYs(h, c, o, f, "CDNSKEY")
if r != nil {
return &CDNSKEY{*r.(*DNSKEY)}, e, s
}
return nil, e, s
}
func setRKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(RKEY)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, l.comment
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad RKEY Flags", l}, ""
}
rr.Flags = uint16(i)
<-c // zBlank
l = <-c // zString
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad RKEY Protocol", l}, ""
}
rr.Protocol = uint8(i)
<-c // zBlank
l = <-c // zString
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad RKEY Algorithm", l}, ""
}
rr.Algorithm = uint8(i)
s, e1, c1 := endingToString(c, "bad RKEY PublicKey", f)
if e1 != nil {
return nil, e1, c1
}
rr.PublicKey = s
return rr, nil, c1
}
func setEID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(EID)
rr.Hdr = h
s, e, c1 := endingToString(c, "bad EID Endpoint", f)
if e != nil {
return nil, e, c1
}
rr.Endpoint = s
return rr, nil, c1
}
func setNIMLOC(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NIMLOC)
rr.Hdr = h
s, e, c1 := endingToString(c, "bad NIMLOC Locator", f)
if e != nil {
return nil, e, c1
}
rr.Locator = s
return rr, nil, c1
}
func setGPOS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(GPOS)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
_, e := strconv.ParseFloat(l.token, 64)
if e != nil || l.err {
return nil, &ParseError{f, "bad GPOS Longitude", l}, ""
}
rr.Longitude = l.token
<-c // zBlank
l = <-c
_, e = strconv.ParseFloat(l.token, 64)
if e != nil || l.err {
return nil, &ParseError{f, "bad GPOS Latitude", l}, ""
}
rr.Latitude = l.token
<-c // zBlank
l = <-c
_, e = strconv.ParseFloat(l.token, 64)
if e != nil || l.err {
return nil, &ParseError{f, "bad GPOS Altitude", l}, ""
}
rr.Altitude = l.token
return rr, nil, ""
}
func setDSs(h RR_Header, c chan lex, o, f, typ string) (RR, *ParseError, string) {
rr := new(DS)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, l.comment
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad " + typ + " KeyTag", l}, ""
}
rr.KeyTag = uint16(i)
<-c // zBlank
l = <-c
if i, e := strconv.Atoi(l.token); e != nil {
i, ok := StringToAlgorithm[l.tokenUpper]
if !ok || l.err {
return nil, &ParseError{f, "bad " + typ + " Algorithm", l}, ""
}
rr.Algorithm = i
} else {
rr.Algorithm = uint8(i)
}
<-c // zBlank
l = <-c
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad " + typ + " DigestType", l}, ""
}
rr.DigestType = uint8(i)
s, e1, c1 := endingToString(c, "bad "+typ+" Digest", f)
if e1 != nil {
return nil, e1, c1
}
rr.Digest = s
return rr, nil, c1
}
func setDS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
r, e, s := setDSs(h, c, o, f, "DS")
return r, e, s
}
func setDLV(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
r, e, s := setDSs(h, c, o, f, "DLV")
if r != nil {
return &DLV{*r.(*DS)}, e, s
}
return nil, e, s
}
func setCDS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
r, e, s := setDSs(h, c, o, f, "CDS")
if r != nil {
return &CDS{*r.(*DS)}, e, s
}
return nil, e, s
}
func setTA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(TA)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, l.comment
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad TA KeyTag", l}, ""
}
rr.KeyTag = uint16(i)
<-c // zBlank
l = <-c
if i, e := strconv.Atoi(l.token); e != nil {
i, ok := StringToAlgorithm[l.tokenUpper]
if !ok || l.err {
return nil, &ParseError{f, "bad TA Algorithm", l}, ""
}
rr.Algorithm = i
} else {
rr.Algorithm = uint8(i)
}
<-c // zBlank
l = <-c
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad TA DigestType", l}, ""
}
rr.DigestType = uint8(i)
s, e, c1 := endingToString(c, "bad TA Digest", f)
if e != nil {
return nil, e.(*ParseError), c1
}
rr.Digest = s
return rr, nil, c1
}
func setTLSA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(TLSA)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, l.comment
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad TLSA Usage", l}, ""
}
rr.Usage = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad TLSA Selector", l}, ""
}
rr.Selector = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad TLSA MatchingType", l}, ""
}
rr.MatchingType = uint8(i)
// So this needs be e2 (i.e. different than e), because...??t
s, e2, c1 := endingToString(c, "bad TLSA Certificate", f)
if e2 != nil {
return nil, e2, c1
}
rr.Certificate = s
return rr, nil, c1
}
func setRFC3597(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(RFC3597)
rr.Hdr = h
l := <-c
if l.token != "\\#" {
return nil, &ParseError{f, "bad RFC3597 Rdata", l}, ""
}
<-c // zBlank
l = <-c
rdlength, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad RFC3597 Rdata ", l}, ""
}
s, e1, c1 := endingToString(c, "bad RFC3597 Rdata", f)
if e1 != nil {
return nil, e1, c1
}
if rdlength*2 != len(s) {
return nil, &ParseError{f, "bad RFC3597 Rdata", l}, ""
}
rr.Rdata = s
return rr, nil, c1
}
func setSPF(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(SPF)
rr.Hdr = h
s, e, c1 := endingToTxtSlice(c, "bad SPF Txt", f)
if e != nil {
return nil, e, ""
}
rr.Txt = s
return rr, nil, c1
}
func setTXT(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(TXT)
rr.Hdr = h
// no zBlank reading here, because all this rdata is TXT
s, e, c1 := endingToTxtSlice(c, "bad TXT Txt", f)
if e != nil {
return nil, e, ""
}
rr.Txt = s
return rr, nil, c1
}
// identical to setTXT
func setNINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NINFO)
rr.Hdr = h
s, e, c1 := endingToTxtSlice(c, "bad NINFO ZSData", f)
if e != nil {
return nil, e, ""
}
rr.ZSData = s
return rr, nil, c1
}
func setURI(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(URI)
rr.Hdr = h
l := <-c
if l.length == 0 { // Dynamic updates.
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad URI Priority", l}, ""
}
rr.Priority = uint16(i)
<-c // zBlank
l = <-c
i, e = strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad URI Weight", l}, ""
}
rr.Weight = uint16(i)
<-c // zBlank
s, err, c1 := endingToTxtSlice(c, "bad URI Target", f)
if err != nil {
return nil, err, ""
}
if len(s) > 1 {
return nil, &ParseError{f, "bad URI Target", l}, ""
}
rr.Target = s[0]
return rr, nil, c1
}
func setDHCID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
// awesome record to parse!
rr := new(DHCID)
rr.Hdr = h
s, e, c1 := endingToString(c, "bad DHCID Digest", f)
if e != nil {
return nil, e, c1
}
rr.Digest = s
return rr, nil, c1
}
func setNID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NID)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad NID Preference", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
u, err := stringToNodeID(l)
if err != nil || l.err {
return nil, err, ""
}
rr.NodeID = u
return rr, nil, ""
}
func setL32(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(L32)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad L32 Preference", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Locator32 = net.ParseIP(l.token)
if rr.Locator32 == nil || l.err {
return nil, &ParseError{f, "bad L32 Locator", l}, ""
}
return rr, nil, ""
}
func setLP(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(LP)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad LP Preference", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Fqdn = l.token
if l.length == 0 {
return rr, nil, ""
}
if l.token == "@" {
rr.Fqdn = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad LP Fqdn", l}, ""
}
if rr.Fqdn[l.length-1] != '.' {
rr.Fqdn = appendOrigin(rr.Fqdn, o)
}
return rr, nil, ""
}
func setL64(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(L64)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad L64 Preference", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
u, err := stringToNodeID(l)
if err != nil || l.err {
return nil, err, ""
}
rr.Locator64 = u
return rr, nil, ""
}
func setUID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(UID)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad UID Uid", l}, ""
}
rr.Uid = uint32(i)
return rr, nil, ""
}
func setGID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(GID)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad GID Gid", l}, ""
}
rr.Gid = uint32(i)
return rr, nil, ""
}
func setUINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(UINFO)
rr.Hdr = h
s, e, c1 := endingToTxtSlice(c, "bad UINFO Uinfo", f)
if e != nil {
return nil, e, ""
}
rr.Uinfo = s[0] // silently discard anything above
return rr, nil, c1
}
func setPX(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(PX)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, ""
}
i, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad PX Preference", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Map822 = l.token
if l.length == 0 {
return rr, nil, ""
}
if l.token == "@" {
rr.Map822 = o
return rr, nil, ""
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad PX Map822", l}, ""
}
if rr.Map822[l.length-1] != '.' {
rr.Map822 = appendOrigin(rr.Map822, o)
}
<-c // zBlank
l = <-c // zString
rr.Mapx400 = l.token
if l.token == "@" {
rr.Mapx400 = o
return rr, nil, ""
}
_, ok = IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad PX Mapx400", l}, ""
}
if rr.Mapx400[l.length-1] != '.' {
rr.Mapx400 = appendOrigin(rr.Mapx400, o)
}
return rr, nil, ""
}
func setIPSECKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(IPSECKEY)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, l.comment
}
i, err := strconv.Atoi(l.token)
if err != nil || l.err {
return nil, &ParseError{f, "bad IPSECKEY Precedence", l}, ""
}
rr.Precedence = uint8(i)
<-c // zBlank
l = <-c
i, err = strconv.Atoi(l.token)
if err != nil || l.err {
return nil, &ParseError{f, "bad IPSECKEY GatewayType", l}, ""
}
rr.GatewayType = uint8(i)
<-c // zBlank
l = <-c
i, err = strconv.Atoi(l.token)
if err != nil || l.err {
return nil, &ParseError{f, "bad IPSECKEY Algorithm", l}, ""
}
rr.Algorithm = uint8(i)
// Now according to GatewayType we can have different elements here
<-c // zBlank
l = <-c
switch rr.GatewayType {
case 0:
fallthrough
case 3:
rr.GatewayName = l.token
if l.token == "@" {
rr.GatewayName = o
}
_, ok := IsDomainName(l.token)
if !ok || l.length == 0 || l.err {
return nil, &ParseError{f, "bad IPSECKEY GatewayName", l}, ""
}
if rr.GatewayName[l.length-1] != '.' {
rr.GatewayName = appendOrigin(rr.GatewayName, o)
}
case 1:
rr.GatewayA = net.ParseIP(l.token)
if rr.GatewayA == nil {
return nil, &ParseError{f, "bad IPSECKEY GatewayA", l}, ""
}
case 2:
rr.GatewayAAAA = net.ParseIP(l.token)
if rr.GatewayAAAA == nil {
return nil, &ParseError{f, "bad IPSECKEY GatewayAAAA", l}, ""
}
default:
return nil, &ParseError{f, "bad IPSECKEY GatewayType", l}, ""
}
s, e, c1 := endingToString(c, "bad IPSECKEY PublicKey", f)
if e != nil {
return nil, e, c1
}
rr.PublicKey = s
return rr, nil, c1
}
func setCAA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(CAA)
rr.Hdr = h
l := <-c
if l.length == 0 {
return rr, nil, l.comment
}
i, err := strconv.Atoi(l.token)
if err != nil || l.err {
return nil, &ParseError{f, "bad CAA Flag", l}, ""
}
rr.Flag = uint8(i)
<-c // zBlank
l = <-c // zString
if l.value != zString {
return nil, &ParseError{f, "bad CAA Tag", l}, ""
}
rr.Tag = l.token
<-c // zBlank
s, e, c1 := endingToTxtSlice(c, "bad CAA Value", f)
if e != nil {
return nil, e, ""
}
if len(s) > 1 {
return nil, &ParseError{f, "bad CAA Value", l}, ""
}
rr.Value = s[0]
return rr, nil, c1
}
var typeToparserFunc = map[uint16]parserFunc{
TypeAAAA: parserFunc{setAAAA, false},
TypeAFSDB: parserFunc{setAFSDB, false},
TypeA: parserFunc{setA, false},
TypeCAA: parserFunc{setCAA, true},
TypeCDS: parserFunc{setCDS, true},
TypeCDNSKEY: parserFunc{setCDNSKEY, true},
TypeCERT: parserFunc{setCERT, true},
TypeCNAME: parserFunc{setCNAME, false},
TypeDHCID: parserFunc{setDHCID, true},
TypeDLV: parserFunc{setDLV, true},
TypeDNAME: parserFunc{setDNAME, false},
TypeKEY: parserFunc{setKEY, true},
TypeDNSKEY: parserFunc{setDNSKEY, true},
TypeDS: parserFunc{setDS, true},
TypeEID: parserFunc{setEID, true},
TypeEUI48: parserFunc{setEUI48, false},
TypeEUI64: parserFunc{setEUI64, false},
TypeGID: parserFunc{setGID, false},
TypeGPOS: parserFunc{setGPOS, false},
TypeHINFO: parserFunc{setHINFO, true},
TypeHIP: parserFunc{setHIP, true},
TypeIPSECKEY: parserFunc{setIPSECKEY, true},
TypeKX: parserFunc{setKX, false},
TypeL32: parserFunc{setL32, false},
TypeL64: parserFunc{setL64, false},
TypeLOC: parserFunc{setLOC, true},
TypeLP: parserFunc{setLP, false},
TypeMB: parserFunc{setMB, false},
TypeMD: parserFunc{setMD, false},
TypeMF: parserFunc{setMF, false},
TypeMG: parserFunc{setMG, false},
TypeMINFO: parserFunc{setMINFO, false},
TypeMR: parserFunc{setMR, false},
TypeMX: parserFunc{setMX, false},
TypeNAPTR: parserFunc{setNAPTR, false},
TypeNID: parserFunc{setNID, false},
TypeNIMLOC: parserFunc{setNIMLOC, true},
TypeNINFO: parserFunc{setNINFO, true},
TypeNSAPPTR: parserFunc{setNSAPPTR, false},
TypeNSEC3PARAM: parserFunc{setNSEC3PARAM, false},
TypeNSEC3: parserFunc{setNSEC3, true},
TypeNSEC: parserFunc{setNSEC, true},
TypeNS: parserFunc{setNS, false},
TypeOPENPGPKEY: parserFunc{setOPENPGPKEY, true},
TypePTR: parserFunc{setPTR, false},
TypePX: parserFunc{setPX, false},
TypeSIG: parserFunc{setSIG, true},
TypeRKEY: parserFunc{setRKEY, true},
TypeRP: parserFunc{setRP, false},
TypeRRSIG: parserFunc{setRRSIG, true},
TypeRT: parserFunc{setRT, false},
TypeSOA: parserFunc{setSOA, false},
TypeSPF: parserFunc{setSPF, true},
TypeSRV: parserFunc{setSRV, false},
TypeSSHFP: parserFunc{setSSHFP, true},
TypeTALINK: parserFunc{setTALINK, false},
TypeTA: parserFunc{setTA, true},
TypeTLSA: parserFunc{setTLSA, true},
TypeTXT: parserFunc{setTXT, true},
TypeUID: parserFunc{setUID, false},
TypeUINFO: parserFunc{setUINFO, true},
TypeURI: parserFunc{setURI, true},
TypeWKS: parserFunc{setWKS, true},
TypeX25: parserFunc{setX25, false},
}
vendor/github.com/miekg/dns/ztypes.go 0 → 100644
View file @ 2988b5a6
// Code generated by "go run types_generate.go"; DO NOT EDIT.
package dns
import (
"encoding/base64"
"net"
)
// TypeToRR is a map of constructors for each RR type.
var TypeToRR = map[uint16]func() RR{
TypeA: func() RR { return new(A) },
TypeAAAA: func() RR { return new(AAAA) },
TypeAFSDB: func() RR { return new(AFSDB) },
TypeANY: func() RR { return new(ANY) },
TypeAPL: func() RR { return new(APL) },
TypeAVC: func() RR { return new(AVC) },
TypeCAA: func() RR { return new(CAA) },
TypeCDNSKEY: func() RR { return new(CDNSKEY) },
TypeCDS: func() RR { return new(CDS) },
TypeCERT: func() RR { return new(CERT) },
TypeCNAME: func() RR { return new(CNAME) },
TypeCSYNC: func() RR { return new(CSYNC) },
TypeDHCID: func() RR { return new(DHCID) },
TypeDLV: func() RR { return new(DLV) },
TypeDNAME: func() RR { return new(DNAME) },
TypeDNSKEY: func() RR { return new(DNSKEY) },
TypeDS: func() RR { return new(DS) },
TypeEID: func() RR { return new(EID) },
TypeEUI48: func() RR { return new(EUI48) },
TypeEUI64: func() RR { return new(EUI64) },
TypeGID: func() RR { return new(GID) },
TypeGPOS: func() RR { return new(GPOS) },
TypeHINFO: func() RR { return new(HINFO) },
TypeHIP: func() RR { return new(HIP) },
TypeHTTPS: func() RR { return new(HTTPS) },
TypeKEY: func() RR { return new(KEY) },
TypeKX: func() RR { return new(KX) },
TypeL32: func() RR { return new(L32) },
TypeL64: func() RR { return new(L64) },
TypeLOC: func() RR { return new(LOC) },
TypeLP: func() RR { return new(LP) },
TypeMB: func() RR { return new(MB) },
TypeMD: func() RR { return new(MD) },
TypeMF: func() RR { return new(MF) },
TypeMG: func() RR { return new(MG) },
TypeMINFO: func() RR { return new(MINFO) },
TypeMR: func() RR { return new(MR) },
TypeMX: func() RR { return new(MX) },
TypeNAPTR: func() RR { return new(NAPTR) },
TypeNID: func() RR { return new(NID) },
TypeNIMLOC: func() RR { return new(NIMLOC) },
TypeNINFO: func() RR { return new(NINFO) },
TypeNS: func() RR { return new(NS) },
TypeNSAPPTR: func() RR { return new(NSAPPTR) },
TypeNSEC: func() RR { return new(NSEC) },
TypeNSEC3: func() RR { return new(NSEC3) },
TypeNSEC3PARAM: func() RR { return new(NSEC3PARAM) },
TypeNULL: func() RR { return new(NULL) },
TypeOPENPGPKEY: func() RR { return new(OPENPGPKEY) },
TypeOPT: func() RR { return new(OPT) },
TypePTR: func() RR { return new(PTR) },
TypePX: func() RR { return new(PX) },
TypeRKEY: func() RR { return new(RKEY) },
TypeRP: func() RR { return new(RP) },
TypeRRSIG: func() RR { return new(RRSIG) },
TypeRT: func() RR { return new(RT) },
TypeSIG: func() RR { return new(SIG) },
TypeSMIMEA: func() RR { return new(SMIMEA) },
TypeSOA: func() RR { return new(SOA) },
TypeSPF: func() RR { return new(SPF) },
TypeSRV: func() RR { return new(SRV) },
TypeSSHFP: func() RR { return new(SSHFP) },
TypeSVCB: func() RR { return new(SVCB) },
TypeTA: func() RR { return new(TA) },
TypeTALINK: func() RR { return new(TALINK) },
TypeTKEY: func() RR { return new(TKEY) },
TypeTLSA: func() RR { return new(TLSA) },
TypeTSIG: func() RR { return new(TSIG) },
TypeTXT: func() RR { return new(TXT) },
TypeUID: func() RR { return new(UID) },
TypeUINFO: func() RR { return new(UINFO) },
TypeURI: func() RR { return new(URI) },
TypeX25: func() RR { return new(X25) },
TypeZONEMD: func() RR { return new(ZONEMD) },
}
// TypeToString is a map of strings for each RR type.
var TypeToString = map[uint16]string{
TypeA: "A",
TypeAAAA: "AAAA",
TypeAFSDB: "AFSDB",
TypeANY: "ANY",
TypeAPL: "APL",
TypeATMA: "ATMA",
TypeAVC: "AVC",
TypeAXFR: "AXFR",
TypeCAA: "CAA",
TypeCDNSKEY: "CDNSKEY",
TypeCDS: "CDS",
TypeCERT: "CERT",
TypeCNAME: "CNAME",
TypeCSYNC: "CSYNC",
TypeDHCID: "DHCID",
TypeDLV: "DLV",
TypeDNAME: "DNAME",
TypeDNSKEY: "DNSKEY",
TypeDS: "DS",
TypeEID: "EID",
TypeEUI48: "EUI48",
TypeEUI64: "EUI64",
TypeGID: "GID",
TypeGPOS: "GPOS",
TypeHINFO: "HINFO",
TypeHIP: "HIP",
TypeHTTPS: "HTTPS",
TypeISDN: "ISDN",
TypeIXFR: "IXFR",
TypeKEY: "KEY",
TypeKX: "KX",
TypeL32: "L32",
TypeL64: "L64",
TypeLOC: "LOC",
TypeLP: "LP",
TypeMAILA: "MAILA",
TypeMAILB: "MAILB",
TypeMB: "MB",
TypeMD: "MD",
TypeMF: "MF",
TypeMG: "MG",
TypeMINFO: "MINFO",
TypeMR: "MR",
TypeMX: "MX",
TypeNAPTR: "NAPTR",
TypeNID: "NID",
TypeNIMLOC: "NIMLOC",
TypeNINFO: "NINFO",
TypeNS: "NS",
TypeNSEC: "NSEC",
TypeNSEC3: "NSEC3",
TypeNSEC3PARAM: "NSEC3PARAM",
TypeNULL: "NULL",
TypeNXT: "NXT",
TypeNone: "None",
TypeOPENPGPKEY: "OPENPGPKEY",
TypeOPT: "OPT",
TypePTR: "PTR",
TypePX: "PX",
TypeRKEY: "RKEY",
TypeRP: "RP",
TypeRRSIG: "RRSIG",
TypeRT: "RT",
TypeReserved: "Reserved",
TypeSIG: "SIG",
TypeSMIMEA: "SMIMEA",
TypeSOA: "SOA",
TypeSPF: "SPF",
TypeSRV: "SRV",
TypeSSHFP: "SSHFP",
TypeSVCB: "SVCB",
TypeTA: "TA",
TypeTALINK: "TALINK",
TypeTKEY: "TKEY",
TypeTLSA: "TLSA",
TypeTSIG: "TSIG",
TypeTXT: "TXT",
TypeUID: "UID",
TypeUINFO: "UINFO",
TypeUNSPEC: "UNSPEC",
TypeURI: "URI",
TypeX25: "X25",
TypeZONEMD: "ZONEMD",
TypeNSAPPTR: "NSAP-PTR",
}
func (rr *A) Header() *RR_Header { return &rr.Hdr }
func (rr *AAAA) Header() *RR_Header { return &rr.Hdr }
func (rr *AFSDB) Header() *RR_Header { return &rr.Hdr }
func (rr *ANY) Header() *RR_Header { return &rr.Hdr }
func (rr *APL) Header() *RR_Header { return &rr.Hdr }
func (rr *AVC) Header() *RR_Header { return &rr.Hdr }
func (rr *CAA) Header() *RR_Header { return &rr.Hdr }
func (rr *CDNSKEY) Header() *RR_Header { return &rr.Hdr }
func (rr *CDS) Header() *RR_Header { return &rr.Hdr }
func (rr *CERT) Header() *RR_Header { return &rr.Hdr }
func (rr *CNAME) Header() *RR_Header { return &rr.Hdr }
func (rr *CSYNC) Header() *RR_Header { return &rr.Hdr }
func (rr *DHCID) Header() *RR_Header { return &rr.Hdr }
func (rr *DLV) Header() *RR_Header { return &rr.Hdr }
func (rr *DNAME) Header() *RR_Header { return &rr.Hdr }
func (rr *DNSKEY) Header() *RR_Header { return &rr.Hdr }
func (rr *DS) Header() *RR_Header { return &rr.Hdr }
func (rr *EID) Header() *RR_Header { return &rr.Hdr }
func (rr *EUI48) Header() *RR_Header { return &rr.Hdr }
func (rr *EUI64) Header() *RR_Header { return &rr.Hdr }
func (rr *GID) Header() *RR_Header { return &rr.Hdr }
func (rr *GPOS) Header() *RR_Header { return &rr.Hdr }
func (rr *HINFO) Header() *RR_Header { return &rr.Hdr }
func (rr *HIP) Header() *RR_Header { return &rr.Hdr }
func (rr *HTTPS) Header() *RR_Header { return &rr.Hdr }
func (rr *KEY) Header() *RR_Header { return &rr.Hdr }
func (rr *KX) Header() *RR_Header { return &rr.Hdr }
func (rr *L32) Header() *RR_Header { return &rr.Hdr }
func (rr *L64) Header() *RR_Header { return &rr.Hdr }
func (rr *LOC) Header() *RR_Header { return &rr.Hdr }
func (rr *LP) Header() *RR_Header { return &rr.Hdr }
func (rr *MB) Header() *RR_Header { return &rr.Hdr }
func (rr *MD) Header() *RR_Header { return &rr.Hdr }
func (rr *MF) Header() *RR_Header { return &rr.Hdr }
func (rr *MG) Header() *RR_Header { return &rr.Hdr }
func (rr *MINFO) Header() *RR_Header { return &rr.Hdr }
func (rr *MR) Header() *RR_Header { return &rr.Hdr }
func (rr *MX) Header() *RR_Header { return &rr.Hdr }
func (rr *NAPTR) Header() *RR_Header { return &rr.Hdr }
func (rr *NID) Header() *RR_Header { return &rr.Hdr }
func (rr *NIMLOC) Header() *RR_Header { return &rr.Hdr }
func (rr *NINFO) Header() *RR_Header { return &rr.Hdr }
func (rr *NS) Header() *RR_Header { return &rr.Hdr }
func (rr *NSAPPTR) Header() *RR_Header { return &rr.Hdr }
func (rr *NSEC) Header() *RR_Header { return &rr.Hdr }
func (rr *NSEC3) Header() *RR_Header { return &rr.Hdr }
func (rr *NSEC3PARAM) Header() *RR_Header { return &rr.Hdr }
func (rr *NULL) Header() *RR_Header { return &rr.Hdr }
func (rr *OPENPGPKEY) Header() *RR_Header { return &rr.Hdr }
func (rr *OPT) Header() *RR_Header { return &rr.Hdr }
func (rr *PTR) Header() *RR_Header { return &rr.Hdr }
func (rr *PX) Header() *RR_Header { return &rr.Hdr }
func (rr *RFC3597) Header() *RR_Header { return &rr.Hdr }
func (rr *RKEY) Header() *RR_Header { return &rr.Hdr }
func (rr *RP) Header() *RR_Header { return &rr.Hdr }
func (rr *RRSIG) Header() *RR_Header { return &rr.Hdr }
func (rr *RT) Header() *RR_Header { return &rr.Hdr }
func (rr *SIG) Header() *RR_Header { return &rr.Hdr }
func (rr *SMIMEA) Header() *RR_Header { return &rr.Hdr }
func (rr *SOA) Header() *RR_Header { return &rr.Hdr }
func (rr *SPF) Header() *RR_Header { return &rr.Hdr }
func (rr *SRV) Header() *RR_Header { return &rr.Hdr }
func (rr *SSHFP) Header() *RR_Header { return &rr.Hdr }
func (rr *SVCB) Header() *RR_Header { return &rr.Hdr }
func (rr *TA) Header() *RR_Header { return &rr.Hdr }
func (rr *TALINK) Header() *RR_Header { return &rr.Hdr }
func (rr *TKEY) Header() *RR_Header { return &rr.Hdr }
func (rr *TLSA) Header() *RR_Header { return &rr.Hdr }
func (rr *TSIG) Header() *RR_Header { return &rr.Hdr }
func (rr *TXT) Header() *RR_Header { return &rr.Hdr }
func (rr *UID) Header() *RR_Header { return &rr.Hdr }
func (rr *UINFO) Header() *RR_Header { return &rr.Hdr }
func (rr *URI) Header() *RR_Header { return &rr.Hdr }
func (rr *X25) Header() *RR_Header { return &rr.Hdr }
func (rr *ZONEMD) Header() *RR_Header { return &rr.Hdr }
// len() functions
func (rr *A) len(off int, compression map[string]struct{}) int {
l := rr.Hdr.len(off, compression)
if len(rr.A) != 0 {
l += net.IPv4len
}
return l
}
func (rr *AAAA) len(off int, compression map[string]struct{}) int {
l := rr.Hdr.len(off, compression)
if len(rr.AAAA) != 0 {
l += net.IPv6len
}
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 *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 {
l += x.len()
}
return l
}
func (rr *AVC) len(off int, compression map[string]struct{}) int {
l := rr.Hdr.len(off, compression)
for _, x := range rr.Txt {
l += len(x) + 1
}
return l
}
func (rr *CAA) len(off int, compression map[string]struct{}) int {
l := rr.Hdr.len(off, compression)
l++ // Flag
l += len(rr.Tag) + 1
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
l += 2 // KeyTag
l++ // Algorithm
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
l++ // Protocol
l++ // Algorithm
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
l++ // Algorithm
l++ // DigestType
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
l += len(rr.Latitude) + 1
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
l++ // PublicKeyAlgorithm
l += 2 // PublicKeyLength
l += len(rr.Hit) / 2
l += base64.StdEncoding.DecodedLen(len(rr.PublicKey))
for _, x := range rr.RendezvousServers {
l += domainNameLen(x, off+l, compression, false)
}
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
if len(rr.Locator32) != 0 {
l += net.IPv4len
}
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
l++ // Size
l++ // HorizPre
l++ // VertPre
l += 4 // Latitude
l += 4 // Longitude
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
l += 2 // Preference
l += len(rr.Flags) + 1
l += len(rr.Service) + 1
l += len(rr.Regexp) + 1
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 {
l += len(x) + 1
}
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
l++ // Flags
l += 2 // Iterations
l++ // SaltLength
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
l += domainNameLen(rr.Map822, off+l, compression, false)
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
l++ // Protocol
l++ // Algorithm
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
l++ // Algorithm
l++ // Labels
l += 4 // OrigTtl
l += 4 // Expiration
l += 4 // Inception
l += 2 // KeyTag
l += domainNameLen(rr.SignerName, off+l, compression, false)
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
l++ // Selector
l++ // MatchingType
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)
l += domainNameLen(rr.Mbox, off+l, compression, true)
l += 4 // Serial
l += 4 // Refresh
l += 4 // Retry
l += 4 // Expire
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 {
l += len(x) + 1
}
return l
}
func (rr *SRV) len(off int, compression map[string]struct{}) int {
l := rr.Hdr.len(off, compression)
l += 2 // Priority
l += 2 // Weight
l += 2 // Port
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
l++ // Type
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
l += domainNameLen(rr.Target, off+l, compression, false)
for _, x := range rr.Value {
l += 4 + int(x.len())
}
return l
}
func (rr *TA) len(off int, compression map[string]struct{}) int {
l := rr.Hdr.len(off, compression)
l += 2 // KeyTag
l++ // Algorithm
l++ // DigestType
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)
l += 4 // Inception
l += 4 // Expiration
l += 2 // Mode
l += 2 // Error
l += 2 // KeySize
l += len(rr.Key) / 2
l += 2 // OtherLen
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
l++ // Selector
l++ // MatchingType
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)
l += 6 // TimeSigned
l += 2 // Fudge
l += 2 // MACSize
l += len(rr.MAC) / 2
l += 2 // OrigId
l += 2 // Error
l += 2 // OtherLen
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 {
l += len(x) + 1
}
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
l += 2 // Weight
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
l++ // Scheme
l++ // Hash
l += len(rr.Digest) / 2
return l
}
// copy() functions
func (rr *A) copy() RR {
return &A{rr.Hdr, copyIP(rr.A)}
}
func (rr *AAAA) copy() RR {
return &AAAA{rr.Hdr, copyIP(rr.AAAA)}
}
func (rr *AFSDB) copy() RR {
return &AFSDB{rr.Hdr, rr.Subtype, rr.Hostname}
}
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 {
Prefixes[i] = e.copy()
}
return &APL{rr.Hdr, Prefixes}
}
func (rr *AVC) copy() RR {
Txt := make([]string, len(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}
}
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}
}
func (rr *CNAME) copy() RR {
return &CNAME{rr.Hdr, rr.Target}
}
func (rr *CSYNC) copy() RR {
TypeBitMap := make([]uint16, len(rr.TypeBitMap))
copy(TypeBitMap, rr.TypeBitMap)
return &CSYNC{rr.Hdr, rr.Serial, rr.Flags, 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}
}
func (rr *DS) copy() RR {
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}
}
func (rr *HINFO) copy() RR {
return &HINFO{rr.Hdr, rr.Cpu, rr.Os}
}
func (rr *HIP) copy() RR {
RendezvousServers := make([]string, len(rr.RendezvousServers))
copy(RendezvousServers, rr.RendezvousServers)
return &HIP{rr.Hdr, rr.HitLength, rr.PublicKeyAlgorithm, rr.PublicKeyLength, rr.Hit, rr.PublicKey, RendezvousServers}
}
func (rr *HTTPS) copy() RR {
return &HTTPS{*rr.SVCB.copy().(*SVCB)}
}
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)}
}
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}
}
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}
}
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))
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))
copy(TypeBitMap, rr.TypeBitMap)
return &NSEC{rr.Hdr, rr.NextDomain, TypeBitMap}
}
func (rr *NSEC3) copy() RR {
TypeBitMap := make([]uint16, len(rr.TypeBitMap))
copy(TypeBitMap, rr.TypeBitMap)
return &NSEC3{rr.Hdr, rr.Hash, rr.Flags, rr.Iterations, rr.SaltLength, rr.Salt, rr.HashLength, rr.NextDomain, TypeBitMap}
}
func (rr *NSEC3PARAM) copy() RR {
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 {
Option[i] = e.copy()
}
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}
}
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}
}
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}
}
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}
}
func (rr *SOA) copy() RR {
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))
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}
}
func (rr *SSHFP) copy() RR {
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}
}
func (rr *TA) copy() RR {
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}
}
func (rr *TLSA) copy() RR {
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}
}
func (rr *TXT) copy() RR {
Txt := make([]string, len(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}
}
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}
}