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Fix ping response for tun address

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This commit is contained in:
世界
2025-08-23 16:37:46 +08:00
parent f46791bc0d
commit a256dca36b
3 changed files with 129 additions and 94 deletions
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17
stack_gvisor.go
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@@ -28,6 +28,8 @@ const DefaultNIC tcpip.NICID = 1
type GVisor struct {
ctx context.Context
tun GVisorTun
inet4Address netip.Addr
inet6Address netip.Addr
inet4LoopbackAddress []netip.Addr
inet6LoopbackAddress []netip.Addr
udpTimeout time.Duration
@@ -52,9 +54,22 @@ func NewGVisor(
return nil, E.New("gVisor stack is unsupported on current platform")
}
var (
inet4Address netip.Addr
inet6Address netip.Addr
)
if len(options.TunOptions.Inet4Address) > 0 {
inet4Address = options.TunOptions.Inet4Address[0].Addr()
}
if len(options.TunOptions.Inet6Address) > 0 {
inet6Address = options.TunOptions.Inet6Address[0].Addr()
}
gStack := &GVisor{
ctx: options.Context,
tun: gTun,
inet4Address: inet4Address,
inet6Address: inet6Address,
inet4LoopbackAddress: options.TunOptions.Inet4LoopbackAddress,
inet6LoopbackAddress: options.TunOptions.Inet6LoopbackAddress,
udpTimeout: options.UDPTimeout,
@@ -77,7 +92,7 @@ func (t *GVisor) Start() error {
}
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)
icmpForwarder := NewICMPForwarder(t.ctx, ipStack, t.handler, t.udpTimeout)
icmpForwarder := NewICMPForwarder(t.ctx, ipStack, t.inet4Address, t.inet6Address, t.handler, t.udpTimeout)
ipStack.SetTransportProtocolHandler(icmp.ProtocolNumber4, icmpForwarder.HandlePacket)
ipStack.SetTransportProtocolHandler(icmp.ProtocolNumber6, icmpForwarder.HandlePacket)
t.stack = ipStack