mirror of
https://github.com/SagerNet/sing-box.git
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75 lines
2.2 KiB
Go
75 lines
2.2 KiB
Go
package socks
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import (
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"context"
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"net"
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"os"
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"github.com/sagernet/sing-box/adapter"
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"github.com/sagernet/sing-box/config"
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C "github.com/sagernet/sing-box/constant"
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"github.com/sagernet/sing-box/log"
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"github.com/sagernet/sing/common"
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"github.com/sagernet/sing/common/auth"
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"github.com/sagernet/sing/common/buf"
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M "github.com/sagernet/sing/common/metadata"
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N "github.com/sagernet/sing/common/network"
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"github.com/sagernet/sing/protocol/socks"
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)
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var _ adapter.InboundHandler = (*Inbound)(nil)
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type Inbound struct {
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router adapter.Router
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logger log.Logger
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authenticator auth.Authenticator
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}
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func NewInbound(router adapter.Router, logger log.Logger, options *config.SimpleInboundOptions) *Inbound {
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return &Inbound{
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router: router,
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logger: logger,
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authenticator: auth.NewAuthenticator(options.Users),
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}
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}
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func (i *Inbound) Type() string {
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return C.TypeSocks
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}
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func (i *Inbound) Network() []string {
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return []string{C.NetworkTCP}
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}
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func (i *Inbound) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
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ctx = &inboundContext{ctx, metadata}
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return socks.HandleConnection(ctx, conn, i.authenticator, (*inboundHandler)(i), M.Metadata{})
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}
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func (i *Inbound) NewPacket(ctx context.Context, conn N.PacketConn, buffer *buf.Buffer, metadata adapter.InboundContext) error {
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return os.ErrInvalid
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}
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type inboundContext struct {
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context.Context
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metadata adapter.InboundContext
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}
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type inboundHandler Inbound
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func (h *inboundHandler) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
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inboundCtx, _ := common.Cast[*inboundContext](ctx)
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ctx = inboundCtx.Context
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h.logger.WithContext(ctx).Info("inbound connection to ", metadata.Destination)
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inboundCtx.metadata.Destination = metadata.Destination
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return h.router.RouteConnection(ctx, conn, inboundCtx.metadata)
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}
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func (h *inboundHandler) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
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inboundCtx, _ := common.Cast[*inboundContext](ctx)
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ctx = inboundCtx.Context
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h.logger.WithContext(ctx).Info("inbound packet connection to ", metadata.Destination)
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inboundCtx.metadata.Destination = metadata.Destination
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return h.router.RoutePacketConnection(ctx, conn, inboundCtx.metadata)
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}
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