Feature: add reject proxy

proxy/reject.go

@@ -0,0 +1,32 @@
+package proxy
+
+import (
+	"context"
+	"errors"
+	"net"
+
+	M "github.com/xjasonlyu/tun2socks/constant"
+	"github.com/xjasonlyu/tun2socks/proxy/proto"
+)
+
+var _ Proxy = (*Reject)(nil)
+
+type Reject struct {
+	*Base
+}
+
+func NewReject() *Reject {
+	return &Reject{
+		Base: &Base{
+			proto: proto.Reject,
+		},
+	}
+}
+
+func (r *Reject) DialContext(context.Context, *M.Metadata) (net.Conn, error) {
+	return nil, errors.New("TCP rejected")
+}
+
+func (r *Reject) DialUDP(*M.Metadata) (net.PacketConn, error) {
+	return nil, errors.New("UDP rejected")
+}