mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-11-09 18:43:14 +00:00
Update UoT protocol
This commit is contained in:
parent
ffdaae90d7
commit
78e02b52ca
4
go.mod
4
go.mod
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@ -24,7 +24,7 @@ require (
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github.com/sagernet/gomobile v0.0.0-20221130124640-349ebaa752ca
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github.com/sagernet/quic-go v0.0.0-20230202071646-a8c8afb18b32
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github.com/sagernet/reality v0.0.0-20230312150606-35ea9af0e0b8
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github.com/sagernet/sing v0.1.9-0.20230313033500-448948d26d1a
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github.com/sagernet/sing v0.1.9-0.20230315063014-2731df16725b
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github.com/sagernet/sing-dns v0.1.4
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github.com/sagernet/sing-shadowsocks v0.1.2-0.20230221080503-769c01d6bba9
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github.com/sagernet/sing-shadowtls v0.1.0
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@ -51,7 +51,7 @@ require (
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gvisor.dev/gvisor v0.0.0-20220901235040-6ca97ef2ce1c
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)
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//replace github.com/sagernet/sing-tun => ../sing-tun
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//replace github.com/sagernet/sing => ../sing
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require (
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github.com/ajg/form v1.5.1 // indirect
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4
go.sum
4
go.sum
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@ -109,8 +109,8 @@ github.com/sagernet/reality v0.0.0-20230312150606-35ea9af0e0b8 h1:4M3+0/kqvJuTsi
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github.com/sagernet/reality v0.0.0-20230312150606-35ea9af0e0b8/go.mod h1:B8lp4WkQ1PwNnrVMM6KyuFR20pU8jYBD+A4EhJovEXU=
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github.com/sagernet/sing v0.0.0-20220817130738-ce854cda8522/go.mod h1:QVsS5L/ZA2Q5UhQwLrn0Trw+msNd/NPGEhBKR/ioWiY=
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github.com/sagernet/sing v0.1.8/go.mod h1:jt1w2u7lJQFFSGLiRrRIs5YWmx4kAPfWuOejuDW9qMk=
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github.com/sagernet/sing v0.1.9-0.20230313033500-448948d26d1a h1:JgPPxKLiqA95Z0oTp9FyYUfij8xsjS2rBWtpQ41zFTo=
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github.com/sagernet/sing v0.1.9-0.20230313033500-448948d26d1a/go.mod h1:9uHswk2hITw8leDbiLS/xn0t9nzBcbePxzm9PJhwdlw=
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github.com/sagernet/sing v0.1.9-0.20230315063014-2731df16725b h1:1iKGftQ59+shDSx2RaLaxXJcMK/B+IU9WqUPwyBW+E0=
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github.com/sagernet/sing v0.1.9-0.20230315063014-2731df16725b/go.mod h1:9uHswk2hITw8leDbiLS/xn0t9nzBcbePxzm9PJhwdlw=
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github.com/sagernet/sing-dns v0.1.4 h1:7VxgeoSCiiazDSaXXQVcvrTBxFpOePPq/4XdgnUDN+0=
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github.com/sagernet/sing-dns v0.1.4/go.mod h1:1+6pCa48B1AI78lD+/i/dLgpw4MwfnsSpZo0Ds8wzzk=
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github.com/sagernet/sing-shadowsocks v0.1.2-0.20230221080503-769c01d6bba9 h1:qS39eA4C7x+zhEkySbASrtmb6ebdy5v0y2M6mgkmSO0=
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@ -29,5 +29,6 @@ type ShadowsocksOutboundOptions struct {
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PluginOptions string `json:"plugin_opts,omitempty"`
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Network NetworkList `json:"network,omitempty"`
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UoT bool `json:"udp_over_tcp,omitempty"`
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UoTVersion int `json:"udp_over_tcp_version,omitempty"`
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MultiplexOptions *MultiplexOptions `json:"multiplex,omitempty"`
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}
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@ -17,11 +17,12 @@ type HTTPMixedInboundOptions struct {
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type SocksOutboundOptions struct {
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DialerOptions
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ServerOptions
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Version string `json:"version,omitempty"`
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Username string `json:"username,omitempty"`
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Password string `json:"password,omitempty"`
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Network NetworkList `json:"network,omitempty"`
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UoT bool `json:"udp_over_tcp,omitempty"`
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Version string `json:"version,omitempty"`
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Username string `json:"username,omitempty"`
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Password string `json:"password,omitempty"`
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Network NetworkList `json:"network,omitempty"`
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UoT bool `json:"udp_over_tcp,omitempty"`
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UoTVersion int `json:"udp_over_tcp_version,omitempty"`
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}
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type HTTPOutboundOptions struct {
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@ -30,6 +30,7 @@ type Shadowsocks struct {
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serverAddr M.Socksaddr
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plugin sip003.Plugin
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uot bool
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uotVersion int
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multiplexDialer N.Dialer
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}
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@ -63,6 +64,14 @@ func NewShadowsocks(ctx context.Context, router adapter.Router, logger log.Conte
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return nil, err
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}
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}
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switch options.UoTVersion {
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case uot.LegacyVersion:
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outbound.uotVersion = uot.LegacyVersion
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case 0, uot.Version:
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outbound.uotVersion = uot.Version
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default:
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return nil, E.New("unknown udp over tcp protocol version ", options.UoTVersion)
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}
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return outbound, nil
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}
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@ -77,14 +86,21 @@ func (h *Shadowsocks) DialContext(ctx context.Context, network string, destinati
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case N.NetworkUDP:
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if h.uot {
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h.logger.InfoContext(ctx, "outbound UoT packet connection to ", destination)
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tcpConn, err := (*shadowsocksDialer)(h).DialContext(ctx, N.NetworkTCP, M.Socksaddr{
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Fqdn: uot.UOTMagicAddress,
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Port: destination.Port,
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})
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var uotDestination M.Socksaddr
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if h.uotVersion == uot.Version {
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uotDestination.Fqdn = uot.MagicAddress
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} else {
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uotDestination.Fqdn = uot.LegacyMagicAddress
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}
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tcpConn, err := (*shadowsocksDialer)(h).DialContext(ctx, N.NetworkTCP, uotDestination)
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if err != nil {
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return nil, err
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}
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return uot.NewClientConn(tcpConn), nil
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if h.uotVersion == uot.Version {
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return uot.NewLazyConn(tcpConn, uot.Request{IsConnect: true, Destination: destination}), nil
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} else {
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return uot.NewConn(tcpConn, false, destination), nil
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}
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}
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h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
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}
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@ -107,14 +123,21 @@ func (h *Shadowsocks) ListenPacket(ctx context.Context, destination M.Socksaddr)
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if h.multiplexDialer == nil {
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if h.uot {
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h.logger.InfoContext(ctx, "outbound UoT packet connection to ", destination)
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tcpConn, err := (*shadowsocksDialer)(h).DialContext(ctx, N.NetworkTCP, M.Socksaddr{
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Fqdn: uot.UOTMagicAddress,
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Port: destination.Port,
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})
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var uotDestination M.Socksaddr
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if h.uotVersion == uot.Version {
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uotDestination.Fqdn = uot.MagicAddress
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} else {
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uotDestination.Fqdn = uot.LegacyMagicAddress
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}
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tcpConn, err := (*shadowsocksDialer)(h).DialContext(ctx, N.NetworkTCP, uotDestination)
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if err != nil {
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return nil, err
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}
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return uot.NewClientConn(tcpConn), nil
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if h.uotVersion == uot.Version {
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return uot.NewLazyConn(tcpConn, uot.Request{Destination: destination}), nil
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} else {
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return uot.NewConn(tcpConn, false, destination), nil
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}
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}
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h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
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return (*shadowsocksDialer)(h).ListenPacket(ctx, destination)
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@ -20,13 +20,13 @@ var _ adapter.Outbound = (*Socks)(nil)
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type Socks struct {
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myOutboundAdapter
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client *socks.Client
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resolve bool
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uot bool
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client *socks.Client
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resolve bool
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uot bool
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uotVersion int
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}
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func NewSocks(router adapter.Router, logger log.ContextLogger, tag string, options option.SocksOutboundOptions) (*Socks, error) {
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detour := dialer.New(router, options.DialerOptions)
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var version socks.Version
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var err error
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if options.Version != "" {
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@ -37,18 +37,27 @@ func NewSocks(router adapter.Router, logger log.ContextLogger, tag string, optio
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if err != nil {
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return nil, err
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}
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return &Socks{
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myOutboundAdapter{
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outbound := &Socks{
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myOutboundAdapter: myOutboundAdapter{
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protocol: C.TypeSocks,
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network: options.Network.Build(),
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router: router,
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logger: logger,
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tag: tag,
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},
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socks.NewClient(detour, options.ServerOptions.Build(), version, options.Username, options.Password),
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version == socks.Version4,
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options.UoT,
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}, nil
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client: socks.NewClient(dialer.New(router, options.DialerOptions), options.ServerOptions.Build(), version, options.Username, options.Password),
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resolve: version == socks.Version4,
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uot: options.UoT,
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}
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switch options.UoTVersion {
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case uot.LegacyVersion:
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outbound.uotVersion = uot.LegacyVersion
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case 0, uot.Version:
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outbound.uotVersion = uot.Version
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default:
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return nil, E.New("unknown udp over tcp protocol version ", options.UoTVersion)
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}
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return outbound, nil
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}
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func (h *Socks) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
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@ -61,14 +70,21 @@ func (h *Socks) DialContext(ctx context.Context, network string, destination M.S
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case N.NetworkUDP:
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if h.uot {
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h.logger.InfoContext(ctx, "outbound UoT packet connection to ", destination)
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tcpConn, err := h.client.DialContext(ctx, N.NetworkTCP, M.Socksaddr{
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Fqdn: uot.UOTMagicAddress,
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Port: destination.Port,
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})
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var uotDestination M.Socksaddr
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if h.uotVersion == uot.Version {
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uotDestination.Fqdn = uot.MagicAddress
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} else {
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uotDestination.Fqdn = uot.LegacyMagicAddress
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}
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tcpConn, err := h.client.DialContext(ctx, N.NetworkTCP, uotDestination)
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if err != nil {
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return nil, err
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}
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return uot.NewClientConn(tcpConn), nil
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if h.uotVersion == uot.Version {
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return uot.NewLazyConn(tcpConn, uot.Request{IsConnect: true, Destination: destination}), nil
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} else {
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return uot.NewConn(tcpConn, false, destination), nil
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}
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}
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h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
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default:
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@ -90,14 +106,21 @@ func (h *Socks) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.
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metadata.Destination = destination
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if h.uot {
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h.logger.InfoContext(ctx, "outbound UoT packet connection to ", destination)
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tcpConn, err := h.client.DialContext(ctx, N.NetworkTCP, M.Socksaddr{
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Fqdn: uot.UOTMagicAddress,
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Port: destination.Port,
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})
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var uotDestination M.Socksaddr
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if h.uotVersion == uot.Version {
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uotDestination.Fqdn = uot.MagicAddress
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} else {
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uotDestination.Fqdn = uot.LegacyMagicAddress
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}
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tcpConn, err := h.client.DialContext(ctx, N.NetworkTCP, uotDestination)
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if err != nil {
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return nil, err
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}
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return uot.NewClientConn(tcpConn), nil
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if h.uotVersion == uot.Version {
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return uot.NewLazyConn(tcpConn, uot.Request{Destination: destination}), nil
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} else {
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return uot.NewConn(tcpConn, false, destination), nil
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}
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}
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h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
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return h.client.ListenPacket(ctx, destination)
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@ -577,10 +577,24 @@ func (r *Router) RouteConnection(ctx context.Context, conn net.Conn, metadata ad
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case vmess.MuxDestination.Fqdn:
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r.logger.InfoContext(ctx, "inbound legacy multiplex connection")
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return vmess.HandleMuxConnection(ctx, conn, adapter.NewUpstreamHandler(metadata, r.RouteConnection, r.RoutePacketConnection, r))
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case uot.UOTMagicAddress:
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r.logger.InfoContext(ctx, "inbound UoT connection")
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case uot.MagicAddress:
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request, err := uot.ReadRequest(conn)
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if err != nil {
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return E.Cause(err, "read UoT request")
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}
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if request.IsConnect {
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r.logger.InfoContext(ctx, "inbound UoT connect connection to ", request.Destination)
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} else {
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r.logger.InfoContext(ctx, "inbound UoT connection to ", request.Destination)
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}
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metadata.Domain = metadata.Destination.Fqdn
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metadata.Destination = request.Destination
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return r.RoutePacketConnection(ctx, uot.NewConn(conn, request.IsConnect, metadata.Destination), metadata)
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case uot.LegacyMagicAddress:
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r.logger.InfoContext(ctx, "inbound legacy UoT connection")
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metadata.Domain = metadata.Destination.Fqdn
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metadata.Destination = M.Socksaddr{Addr: netip.IPv4Unspecified()}
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return r.RoutePacketConnection(ctx, uot.NewClientConn(conn), metadata)
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return r.RoutePacketConnection(ctx, uot.NewConn(conn, false, metadata.Destination), metadata)
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}
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if metadata.InboundOptions.SniffEnabled {
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buffer := buf.NewPacket()
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@ -685,7 +699,7 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
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}
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conn = bufio.NewCachedPacketConn(conn, buffer, destination)
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}
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if metadata.Destination.IsFqdn() && metadata.Destination.Fqdn != uot.UOTMagicAddress && dns.DomainStrategy(metadata.InboundOptions.DomainStrategy) != dns.DomainStrategyAsIS {
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if metadata.Destination.IsFqdn() && dns.DomainStrategy(metadata.InboundOptions.DomainStrategy) != dns.DomainStrategyAsIS {
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addresses, err := r.Lookup(adapter.WithContext(ctx, &metadata), metadata.Destination.Fqdn, dns.DomainStrategy(metadata.InboundOptions.DomainStrategy))
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if err != nil {
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return err
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