foosinn/webhook-rfc2136
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chore: update deps

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This commit is contained in:
foosinn 2025-01-15 02:30:06 +01:00
parent 95803010d5
commit d514cf41c3
525 changed files with 43230 additions and 14901 deletions
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29
vendor/github.com/miekg/dns/server.go generated vendored
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@ -188,6 +188,14 @@ type DecorateReader func(Reader) Reader
// Implementations should never return a nil Writer.
type DecorateWriter func(Writer) Writer
// MsgInvalidFunc is a listener hook for observing incoming messages that were discarded
// because they could not be parsed.
// Every message that is read by a Reader will eventually be provided to the Handler,
// rejected (or ignored) by the MsgAcceptFunc, or passed to this function.
type MsgInvalidFunc func(m []byte, err error)
func DefaultMsgInvalidFunc(m []byte, err error) {}
// A Server defines parameters for running an DNS server.
type Server struct {
// Address to listen on, ":dns" if empty.
@ -226,9 +234,15 @@ type Server struct {
// Whether to set the SO_REUSEPORT socket option, allowing multiple listeners to be bound to a single address.
// It is only supported on certain GOOSes and when using ListenAndServe.
ReusePort bool
// Whether to set the SO_REUSEADDR socket option, allowing multiple listeners to be bound to a single address.
// Crucially this allows binding when an existing server is listening on `0.0.0.0` or `::`.
// It is only supported on certain GOOSes and when using ListenAndServe.
ReuseAddr bool
// AcceptMsgFunc will check the incoming message and will reject it early in the process.
// By default DefaultMsgAcceptFunc will be used.
MsgAcceptFunc MsgAcceptFunc
// MsgInvalidFunc is optional, will be called if a message is received but cannot be parsed.
MsgInvalidFunc MsgInvalidFunc
// Shutdown handling
lock sync.RWMutex
@ -273,6 +287,9 @@ func (srv *Server) init() {
if srv.MsgAcceptFunc == nil {
srv.MsgAcceptFunc = DefaultMsgAcceptFunc
}
if srv.MsgInvalidFunc == nil {
srv.MsgInvalidFunc = DefaultMsgInvalidFunc
}
if srv.Handler == nil {
srv.Handler = DefaultServeMux
}
@ -304,7 +321,7 @@ func (srv *Server) ListenAndServe() error {
switch srv.Net {
case "tcp", "tcp4", "tcp6":
l, err := listenTCP(srv.Net, addr, srv.ReusePort)
l, err := listenTCP(srv.Net, addr, srv.ReusePort, srv.ReuseAddr)
if err != nil {
return err
}
@ -317,7 +334,7 @@ func (srv *Server) ListenAndServe() error {
return errors.New("dns: neither Certificates nor GetCertificate set in Config")
}
network := strings.TrimSuffix(srv.Net, "-tls")
l, err := listenTCP(network, addr, srv.ReusePort)
l, err := listenTCP(network, addr, srv.ReusePort, srv.ReuseAddr)
if err != nil {
return err
}
@ -327,7 +344,7 @@ func (srv *Server) ListenAndServe() error {
unlock()
return srv.serveTCP(l)
case "udp", "udp4", "udp6":
l, err := listenUDP(srv.Net, addr, srv.ReusePort)
l, err := listenUDP(srv.Net, addr, srv.ReusePort, srv.ReuseAddr)
if err != nil {
return err
}
@ -527,6 +544,7 @@ func (srv *Server) serveUDP(l net.PacketConn) error {
if cap(m) == srv.UDPSize {
srv.udpPool.Put(m[:srv.UDPSize])
}
srv.MsgInvalidFunc(m, ErrShortRead)
continue
}
wg.Add(1)
@ -607,6 +625,7 @@ func (srv *Server) serveUDPPacket(wg *sync.WaitGroup, m []byte, u net.PacketConn
func (srv *Server) serveDNS(m []byte, w *response) {
dh, off, err := unpackMsgHdr(m, 0)
if err != nil {
srv.MsgInvalidFunc(m, err)
// Let client hang, they are sending crap; any reply can be used to amplify.
return
}
@ -616,10 +635,12 @@ func (srv *Server) serveDNS(m []byte, w *response) {
switch action := srv.MsgAcceptFunc(dh); action {
case MsgAccept:
if req.unpack(dh, m, off) == nil {
err := req.unpack(dh, m, off)
if err == nil {
break
}
srv.MsgInvalidFunc(m, err)
fallthrough
case MsgReject, MsgRejectNotImplemented:
opcode := req.Opcode