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This commit is contained in:
Ludovic Fernandez 2019-01-07 18:30:06 +01:00 • committed by Traefiker Bot
parent fc8c24e987
commit 9b2423aaba
192 changed files with 11105 additions and 8535 deletions
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34
vendor/github.com/miekg/dns/edns.go generated vendored
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@ -78,8 +78,8 @@ func (rr *OPT) String() string {
return s
}
func (rr *OPT) len() int {
l := rr.Hdr.len()
func (rr *OPT) len(off int, compression map[string]struct{}) int {
l := rr.Hdr.len(off, compression)
for i := 0; i < len(rr.Option); i++ {
l += 4 // Account for 2-byte option code and 2-byte option length.
lo, _ := rr.Option[i].pack()
@ -92,22 +92,24 @@ func (rr *OPT) len() int {
// Version returns the EDNS version used. Only zero is defined.
func (rr *OPT) Version() uint8 {
return uint8((rr.Hdr.Ttl & 0x00FF0000) >> 16)
return uint8(rr.Hdr.Ttl & 0x00FF0000 >> 16)
}
// SetVersion sets the version of EDNS. This is usually zero.
func (rr *OPT) SetVersion(v uint8) {
rr.Hdr.Ttl = rr.Hdr.Ttl&0xFF00FFFF | (uint32(v) << 16)
rr.Hdr.Ttl = rr.Hdr.Ttl&0xFF00FFFF | uint32(v)<<16
}
// ExtendedRcode returns the EDNS extended RCODE field (the upper 8 bits of the TTL).
func (rr *OPT) ExtendedRcode() int {
return int((rr.Hdr.Ttl & 0xFF000000) >> 24)
return int(rr.Hdr.Ttl&0xFF000000>>24) << 4
}
// SetExtendedRcode sets the EDNS extended RCODE field.
func (rr *OPT) SetExtendedRcode(v uint8) {
rr.Hdr.Ttl = rr.Hdr.Ttl&0x00FFFFFF | (uint32(v) << 24)
//
// If the RCODE is not an extended RCODE, will reset the extended RCODE field to 0.
func (rr *OPT) SetExtendedRcode(v uint16) {
rr.Hdr.Ttl = rr.Hdr.Ttl&0x00FFFFFF | uint32(v>>4)<<24
}
// UDPSize returns the UDP buffer size.
@ -271,22 +273,16 @@ func (e *EDNS0_SUBNET) unpack(b []byte) error {
if e.SourceNetmask > net.IPv4len*8 || e.SourceScope > net.IPv4len*8 {
return errors.New("dns: bad netmask")
}
addr := make([]byte, net.IPv4len)
for i := 0; i < net.IPv4len && 4+i < len(b); i++ {
addr[i] = b[4+i]
}
e.Address = net.IPv4(addr[0], addr[1], addr[2], addr[3])
addr := make(net.IP, net.IPv4len)
copy(addr, b[4:])
e.Address = addr.To16()
case 2:
if e.SourceNetmask > net.IPv6len*8 || e.SourceScope > net.IPv6len*8 {
return errors.New("dns: bad netmask")
}
addr := make([]byte, net.IPv6len)
for i := 0; i < net.IPv6len && 4+i < len(b); i++ {
addr[i] = b[4+i]
}
e.Address = net.IP{addr[0], addr[1], addr[2], addr[3], addr[4],
addr[5], addr[6], addr[7], addr[8], addr[9], addr[10],
addr[11], addr[12], addr[13], addr[14], addr[15]}
addr := make(net.IP, net.IPv6len)
copy(addr, b[4:])
e.Address = addr
default:
return errors.New("dns: bad address family")
}