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Add loopback address support

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世界 2025-06-09 18:51:17 +08:00
parent f57754918d
commit 5e343c4b66
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7 changed files with 524 additions and 183 deletions
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34
stack_gvisor.go
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@ -26,14 +26,16 @@ const WithGVisor = true
const DefaultNIC tcpip.NICID = 1
type GVisor struct {
ctx context.Context
tun GVisorTun
udpTimeout time.Duration
broadcastAddr netip.Addr
handler Handler
logger logger.Logger
stack *stack.Stack
endpoint stack.LinkEndpoint
ctx context.Context
tun GVisorTun
inet4LoopbackAddress []netip.Addr
inet6LoopbackAddress []netip.Addr
udpTimeout time.Duration
broadcastAddr netip.Addr
handler Handler
logger logger.Logger
stack *stack.Stack
endpoint stack.LinkEndpoint
}
type GVisorTun interface {
@ -50,12 +52,14 @@ func NewGVisor(
}
gStack := &GVisor{
ctx: options.Context,
tun: gTun,
udpTimeout: options.UDPTimeout,
broadcastAddr: BroadcastAddr(options.TunOptions.Inet4Address),
handler: options.Handler,
logger: options.Logger,
ctx: options.Context,
tun: gTun,
inet4LoopbackAddress: options.TunOptions.Inet4LoopbackAddress,
inet6LoopbackAddress: options.TunOptions.Inet6LoopbackAddress,
udpTimeout: options.UDPTimeout,
broadcastAddr: BroadcastAddr(options.TunOptions.Inet4Address),
handler: options.Handler,
logger: options.Logger,
}
return gStack, nil
}
@ -70,7 +74,7 @@ func (t *GVisor) Start() error {
if err != nil {
return err
}
ipStack.SetTransportProtocolHandler(tcp.ProtocolNumber, NewTCPForwarder(t.ctx, ipStack, t.handler).HandlePacket)
ipStack.SetTransportProtocolHandler(tcp.ProtocolNumber, NewTCPForwarderWithLoopback(t.ctx, ipStack, t.handler, t.inet4LoopbackAddress, t.inet6LoopbackAddress, t.tun).HandlePacket)
ipStack.SetTransportProtocolHandler(udp.ProtocolNumber, NewUDPForwarder(t.ctx, ipStack, t.handler, t.udpTimeout).HandlePacket)
t.stack = ipStack
t.endpoint = linkEndpoint