sing-box/protocol/block/outbound.go

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2024-11-02 00:39:02 +08:00
package block
import (
"context"
"net"
"syscall"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/adapter/outbound"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing/common/logger"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
func RegisterOutbound(registry *outbound.Registry) {
outbound.Register[option.StubOptions](registry, C.TypeBlock, New)
}
type Outbound struct {
outbound.Adapter
logger logger.ContextLogger
}
func New(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, _ option.StubOptions) (adapter.Outbound, error) {
return &Outbound{
Adapter: outbound.NewAdapter(C.TypeBlock, []string{N.NetworkTCP, N.NetworkUDP}, tag, nil),
logger: logger,
}, nil
}
func (h *Outbound) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
h.logger.InfoContext(ctx, "blocked connection to ", destination)
return nil, syscall.EPERM
}
func (h *Outbound) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
h.logger.InfoContext(ctx, "blocked packet connection to ", destination)
return nil, syscall.EPERM
}