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dialer: Fix auto_detect_interface for UDP connections

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世界 2026-07-08 19:06:49 +08:00
parent f8d1638dd3
commit d7c70d1a72
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GPG Key ID: CD109927C34A63C4
1 changed files with 13 additions and 3 deletions
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16
common/dialer/default.go
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@ -36,6 +36,7 @@ type DefaultDialer struct {
udpAddr4 string
udpAddr6 string
netns string
autoDetectBindFunc control.Func
connectionManager adapter.ConnectionManager
networkManager adapter.NetworkManager
networkStrategy *C.NetworkStrategy
@ -60,6 +61,7 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
networkType []C.InterfaceType
fallbackNetworkType []C.InterfaceType
networkFallbackDelay time.Duration
autoDetectBindFunc control.Func
)
if networkManager != nil {
interfaceFinder = networkManager.InterfaceFinder()
@ -119,6 +121,7 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
bindFunc := networkManager.AutoDetectInterfaceFunc()
dialer.Control = control.Append(dialer.Control, bindFunc)
listener.Control = control.Append(listener.Control, bindFunc)
autoDetectBindFunc = bindFunc
}
}
if options.RoutingMark == 0 && defaultOptions.RoutingMark != 0 {
@ -213,6 +216,7 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
udpAddr4: udpAddr4,
udpAddr6: udpAddr6,
netns: options.NetNs,
autoDetectBindFunc: autoDetectBindFunc,
connectionManager: connectionManager,
networkManager: networkManager,
networkStrategy: networkStrategy,
@ -317,12 +321,18 @@ func (d *DefaultDialer) DialParallelInterface(ctx context.Context, network strin
func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
if d.networkStrategy == nil {
return d.trackPacketConn(listener.ListenNetworkNamespace[net.PacketConn](d.netns, func() (net.PacketConn, error) {
listenConfig := d.udpListener
if d.autoDetectBindFunc != nil && destination.Addr.IsValid() {
listenConfig.Control = control.Append(listenConfig.Control, func(network, address string, conn syscall.RawConn) error {
return d.autoDetectBindFunc(network, destination.String(), conn)
})
}
if destination.IsIPv6() {
return d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr6)
return listenConfig.ListenPacket(ctx, N.NetworkUDP, d.udpAddr6)
} else if destination.IsIPv4() && !destination.Addr.IsUnspecified() {
return d.udpListener.ListenPacket(ctx, N.NetworkUDP+"4", d.udpAddr4)
return listenConfig.ListenPacket(ctx, N.NetworkUDP+"4", d.udpAddr4)
} else {
return d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr4)
return listenConfig.ListenPacket(ctx, N.NetworkUDP, d.udpAddr4)
}
}))
} else {