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miekg/dns update

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This commit is contained in:
Frank Denis 2021-12-24 09:16:59 +01:00
parent 9121f4f359
commit 4e9f0382ee
5 changed files with 34 additions and 37 deletions
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61
vendor/github.com/miekg/dns/edns.go generated vendored
View file

@ -98,6 +98,8 @@ func (rr *OPT) String() string {
s += "\n; SUBNET: " + o.String()
case *EDNS0_COOKIE:
s += "\n; COOKIE: " + o.String()
case *EDNS0_TCP_KEEPALIVE:
s += "\n; KEEPALIVE: " + o.String()
case *EDNS0_UL:
s += "\n; UPDATE LEASE: " + o.String()
case *EDNS0_LLQ:
@ -657,57 +659,52 @@ func (e *EDNS0_LOCAL) unpack(b []byte) error {
// EDNS0_TCP_KEEPALIVE is an EDNS0 option that instructs the server to keep
// the TCP connection alive. See RFC 7828.
type EDNS0_TCP_KEEPALIVE struct {
Code uint16 // Always EDNSTCPKEEPALIVE
Length uint16 // the value 0 if the TIMEOUT is omitted, the value 2 if it is present;
Timeout uint16 // an idle timeout value for the TCP connection, specified in units of 100 milliseconds, encoded in network byte order.
Code uint16 // Always EDNSTCPKEEPALIVE
// Timeout is an idle timeout value for the TCP connection, specified in
// units of 100 milliseconds, encoded in network byte order. If set to 0,
// pack will return a nil slice.
Timeout uint16
// Length is the option's length.
// Deprecated: this field is deprecated and is always equal to 0.
Length uint16
}
// Option implements the EDNS0 interface.
func (e *EDNS0_TCP_KEEPALIVE) Option() uint16 { return EDNS0TCPKEEPALIVE }
func (e *EDNS0_TCP_KEEPALIVE) pack() ([]byte, error) {
if e.Timeout != 0 && e.Length != 2 {
return nil, errors.New("dns: timeout specified but length is not 2")
if e.Timeout > 0 {
b := make([]byte, 2)
binary.BigEndian.PutUint16(b, e.Timeout)
return b, nil
}
if e.Timeout == 0 && e.Length != 0 {
return nil, errors.New("dns: timeout not specified but length is not 0")
}
b := make([]byte, 4+e.Length)
binary.BigEndian.PutUint16(b[0:], e.Code)
binary.BigEndian.PutUint16(b[2:], e.Length)
if e.Length == 2 {
binary.BigEndian.PutUint16(b[4:], e.Timeout)
}
return b, nil
return nil, nil
}
func (e *EDNS0_TCP_KEEPALIVE) unpack(b []byte) error {
if len(b) < 4 {
return ErrBuf
}
e.Length = binary.BigEndian.Uint16(b[2:4])
if e.Length != 0 && e.Length != 2 {
return errors.New("dns: length mismatch, want 0/2 but got " + strconv.FormatUint(uint64(e.Length), 10))
}
if e.Length == 2 {
if len(b) < 6 {
return ErrBuf
}
e.Timeout = binary.BigEndian.Uint16(b[4:6])
switch len(b) {
case 0:
case 2:
e.Timeout = binary.BigEndian.Uint16(b)
default:
return fmt.Errorf("dns: length mismatch, want 0/2 but got %d", len(b))
}
return nil
}
func (e *EDNS0_TCP_KEEPALIVE) String() (s string) {
s = "use tcp keep-alive"
if e.Length == 0 {
func (e *EDNS0_TCP_KEEPALIVE) String() string {
s := "use tcp keep-alive"
if e.Timeout == 0 {
s += ", timeout omitted"
} else {
s += fmt.Sprintf(", timeout %dms", e.Timeout*100)
}
return
return s
}
func (e *EDNS0_TCP_KEEPALIVE) copy() EDNS0 { return &EDNS0_TCP_KEEPALIVE{e.Code, e.Length, e.Timeout} }
func (e *EDNS0_TCP_KEEPALIVE) copy() EDNS0 { return &EDNS0_TCP_KEEPALIVE{e.Code, e.Timeout, e.Length} }
// EDNS0_PADDING option is used to add padding to a request/response. The default
// value of padding SHOULD be 0x0 but other values MAY be used, for instance if

2
vendor/github.com/miekg/dns/version.go generated vendored
View file

@ -3,7 +3,7 @@ package dns
import "fmt"
// Version is current version of this library.
var Version = v{1, 1, 44}
var Version = v{1, 1, 45}
// v holds the version of this library.
type v struct {