Add http/block outbound & Improve route

outbound/block.go

@@ -0,0 +1,52 @@
+package outbound
+
+import (
+	"context"
+	"io"
+	"net"
+
+	"github.com/sagernet/sing-box/adapter"
+	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/log"
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+)
+
+var _ adapter.Outbound = (*Block)(nil)
+
+type Block struct {
+	myOutboundAdapter
+}
+
+func NewBlock(logger log.Logger, tag string) *Block {
+	return &Block{
+		myOutboundAdapter{
+			protocol: C.TypeBlock,
+			logger:   logger,
+			tag:      tag,
+			network:  []string{C.NetworkTCP, C.NetworkUDP},
+		},
+	}
+}
+
+func (h *Block) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+	h.logger.WithContext(ctx).Info("blocked connection to ", destination)
+	return nil, io.EOF
+}
+
+func (h *Block) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
+	h.logger.WithContext(ctx).Info("blocked packet connection to ", destination)
+	return nil, io.EOF
+}
+
+func (h *Block) NewConnection(ctx context.Context, conn net.Conn, destination M.Socksaddr) error {
+	conn.Close()
+	h.logger.WithContext(ctx).Info("blocked connection to ", destination)
+	return nil
+}
+
+func (h *Block) NewPacketConnection(ctx context.Context, conn N.PacketConn, destination M.Socksaddr) error {
+	conn.Close()
+	h.logger.WithContext(ctx).Info("blocked packet connection to ", destination)
+	return nil
+}