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Update udpant usages

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世界 2024-11-26 11:37:44 +08:00
parent c177abb523
commit 59a6bdc1fa
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GPG key ID: CD109927C34A63C4
5 changed files with 34 additions and 20 deletions
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2
go.mod
View file

@ -9,7 +9,7 @@ require (
github.com/sagernet/gvisor v0.0.0-20241123041152-536d05261cff
github.com/sagernet/netlink v0.0.0-20240612041022-b9a21c07ac6a
github.com/sagernet/nftables v0.3.0-beta.4
github.com/sagernet/sing v0.6.0-alpha.18
github.com/sagernet/sing v0.6.0-alpha.24
go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
golang.org/x/exp v0.0.0-20240613232115-7f521ea00fb8
golang.org/x/net v0.26.0

4
go.sum
View file

@ -22,8 +22,8 @@ github.com/sagernet/netlink v0.0.0-20240612041022-b9a21c07ac6a h1:ObwtHN2VpqE0ZN
github.com/sagernet/netlink v0.0.0-20240612041022-b9a21c07ac6a/go.mod h1:xLnfdiJbSp8rNqYEdIW/6eDO4mVoogml14Bh2hSiFpM=
github.com/sagernet/nftables v0.3.0-beta.4 h1:kbULlAwAC3jvdGAC1P5Fa3GSxVwQJibNenDW2zaXr8I=
github.com/sagernet/nftables v0.3.0-beta.4/go.mod h1:OQXAjvjNGGFxaTgVCSTRIhYB5/llyVDeapVoENYBDS8=
github.com/sagernet/sing v0.6.0-alpha.18 h1:ih4CurU8KvbhfagYjSqVrE2LR0oBSXSZTNH2sAGPGiM=
github.com/sagernet/sing v0.6.0-alpha.18/go.mod h1:ARkL0gM13/Iv5VCZmci/NuoOlePoIsW0m7BWfln/Hak=
github.com/sagernet/sing v0.6.0-alpha.24 h1:qPc9i0mHADIFNYlWMg7fWWZZ0kBxWHEs8npsAG6KqAo=
github.com/sagernet/sing v0.6.0-alpha.24/go.mod h1:ARkL0gM13/Iv5VCZmci/NuoOlePoIsW0m7BWfln/Hak=
github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
github.com/vishvananda/netns v0.0.4 h1:Oeaw1EM2JMxD51g9uhtC0D7erkIjgmj8+JZc26m1YX8=
github.com/vishvananda/netns v0.0.4/go.mod h1:SpkAiCQRtJ6TvvxPnOSyH3BMl6unz3xZlaprSwhNNJM=

6
stack_gvisor.go
View file

@ -34,6 +34,7 @@ type GVisor struct {
logger logger.Logger
stack *stack.Stack
endpoint stack.LinkEndpoint
udpForwarder *UDPForwarder
}
type GVisorTun interface {
@ -71,9 +72,11 @@ func (t *GVisor) Start() error {
return err
}
ipStack.SetTransportProtocolHandler(tcp.ProtocolNumber, NewTCPForwarder(t.ctx, ipStack, t.handler).HandlePacket)
ipStack.SetTransportProtocolHandler(udp.ProtocolNumber, NewUDPForwarder(t.ctx, ipStack, t.handler, t.udpTimeout).HandlePacket)
udpForwarder := NewUDPForwarder(t.ctx, ipStack, t.handler, t.udpTimeout)
ipStack.SetTransportProtocolHandler(udp.ProtocolNumber, udpForwarder.HandlePacket)
t.stack = ipStack
t.endpoint = linkEndpoint
t.udpForwarder = udpForwarder
return nil
}
@ -86,6 +89,7 @@ func (t *GVisor) Close() error {
for _, endpoint := range t.stack.CleanupEndpoints() {
endpoint.Abort()
}
t.udpForwarder.Close()
return nil
}

8
stack_gvisor_udp.go
View file

@ -37,10 +37,16 @@ func NewUDPForwarder(ctx context.Context, stack *stack.Stack, handler Handler, t
stack: stack,
handler: handler,
}
forwarder.udpNat = udpnat.New(handler, forwarder.PreparePacketConnection, timeout, true)
udpNat := udpnat.New(handler, forwarder.PreparePacketConnection, timeout, true)
udpNat.Start()
forwarder.udpNat = udpNat
return forwarder
}
func (f *UDPForwarder) Close() {
f.udpNat.Close()
}
func (f *UDPForwarder) HandlePacket(id stack.TransportEndpointID, pkt *stack.PacketBuffer) bool {
source := M.SocksaddrFrom(AddrFromAddress(id.RemoteAddress), id.RemotePort)
destination := M.SocksaddrFrom(AddrFromAddress(id.LocalAddress), id.LocalPort)

34
stack_mixed.go
View file

@ -16,8 +16,9 @@ import (
type Mixed struct {
*System
stack *stack.Stack
endpoint *channel.Endpoint
stack *stack.Stack
endpoint *channel.Endpoint
udpForwarder *UDPForwarder
}
func NewMixed(
@ -42,14 +43,29 @@ func (m *Mixed) Start() error {
if err != nil {
return err
}
ipStack.SetTransportProtocolHandler(udp.ProtocolNumber, NewUDPForwarder(m.ctx, ipStack, m.handler, m.udpTimeout).HandlePacket)
udpForwarder := NewUDPForwarder(m.ctx, ipStack, m.handler, m.udpTimeout)
ipStack.SetTransportProtocolHandler(udp.ProtocolNumber, udpForwarder.HandlePacket)
m.stack = ipStack
m.endpoint = endpoint
m.udpForwarder = udpForwarder
go m.tunLoop()
go m.packetLoop()
return nil
}
func (m *Mixed) Close() error {
if m.stack == nil {
return nil
}
m.endpoint.Attach(nil)
m.stack.Close()
for _, endpoint := range m.stack.CleanupEndpoints() {
endpoint.Abort()
}
m.udpNat.Close()
return m.System.Close()
}
func (m *Mixed) tunLoop() {
if winTun, isWinTun := m.tun.(WinTun); isWinTun {
m.wintunLoop(winTun)
@ -222,15 +238,3 @@ func (m *Mixed) packetLoop() {
packet.DecRef()
}
}
func (m *Mixed) Close() error {
if m.stack == nil {
return nil
}
m.endpoint.Attach(nil)
m.stack.Close()
for _, endpoint := range m.stack.CleanupEndpoints() {
endpoint.Abort()
}
return m.System.Close()
}