88 lines
2.4 KiB
Go
88 lines
2.4 KiB
Go
package outbound
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import (
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"context"
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"io"
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"net"
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"time"
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"github.com/Dreamacro/clash/common/buf"
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"github.com/Dreamacro/clash/component/dialer"
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C "github.com/Dreamacro/clash/constant"
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)
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type Reject struct {
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*Base
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}
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// DialContext implements C.ProxyAdapter
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func (r *Reject) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
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return NewConn(nopConn{}, r), nil
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}
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// ListenPacketContext implements C.ProxyAdapter
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func (r *Reject) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
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return newPacketConn(nopPacketConn{}, r), nil
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}
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func NewReject() *Reject {
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return &Reject{
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Base: &Base{
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name: "REJECT",
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tp: C.Reject,
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udp: true,
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prefer: C.DualStack,
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},
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}
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}
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func NewPass() *Reject {
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return &Reject{
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Base: &Base{
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name: "PASS",
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tp: C.Pass,
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udp: true,
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prefer: C.DualStack,
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},
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}
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}
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type nopConn struct{}
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func (rw nopConn) Read(b []byte) (int, error) {
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return 0, io.EOF
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}
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func (rw nopConn) ReadBuffer(buffer *buf.Buffer) error {
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return io.EOF
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}
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func (rw nopConn) Write(b []byte) (int, error) {
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return 0, io.EOF
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}
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func (rw nopConn) WriteBuffer(buffer *buf.Buffer) error {
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return io.EOF
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}
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func (rw nopConn) Close() error { return nil }
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func (rw nopConn) LocalAddr() net.Addr { return nil }
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func (rw nopConn) RemoteAddr() net.Addr { return nil }
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func (rw nopConn) SetDeadline(time.Time) error { return nil }
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func (rw nopConn) SetReadDeadline(time.Time) error { return nil }
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func (rw nopConn) SetWriteDeadline(time.Time) error { return nil }
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var udpAddrIPv4Unspecified = &net.UDPAddr{IP: net.IPv4zero, Port: 0}
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type nopPacketConn struct{}
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func (npc nopPacketConn) WriteTo(b []byte, addr net.Addr) (n int, err error) { return len(b), nil }
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func (npc nopPacketConn) ReadFrom(b []byte) (int, net.Addr, error) { return 0, nil, io.EOF }
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func (npc nopPacketConn) WaitReadFrom() ([]byte, func(), net.Addr, error) {
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return nil, nil, nil, io.EOF
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}
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func (npc nopPacketConn) Close() error { return nil }
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func (npc nopPacketConn) LocalAddr() net.Addr { return udpAddrIPv4Unspecified }
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func (npc nopPacketConn) SetDeadline(time.Time) error { return nil }
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func (npc nopPacketConn) SetReadDeadline(time.Time) error { return nil }
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func (npc nopPacketConn) SetWriteDeadline(time.Time) error { return nil }
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