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Apply bind address to udp connect

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世界 2022-08-22 14:35:05 +08:00
parent 7ba0a14e97
commit 8fec78a5cd
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GPG key ID: CD109927C34A63C4
1 changed files with 14 additions and 9 deletions
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23
common/dialer/default.go
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@ -53,8 +53,9 @@ var warnTFOOnUnsupportedPlatform = warning.New(
) )
type DefaultDialer struct { type DefaultDialer struct {
tfo.Dialer dialer tfo.Dialer
net.ListenConfig udpDialer net.Dialer
udpListener net.ListenConfig
bindUDPAddr string bindUDPAddr string
} }
@ -111,24 +112,28 @@ func NewDefault(router adapter.Router, options option.DialerOptions) *DefaultDia
warnTFOOnUnsupportedPlatform.Check() warnTFOOnUnsupportedPlatform.Check()
} }
var bindUDPAddr string var bindUDPAddr string
udpDialer := dialer
bindAddress := netip.Addr(options.BindAddress) bindAddress := netip.Addr(options.BindAddress)
if bindAddress.IsValid() { if bindAddress.IsValid() {
dialer.LocalAddr = &net.TCPAddr{ dialer.LocalAddr = &net.TCPAddr{
IP: bindAddress.AsSlice(), IP: bindAddress.AsSlice(),
} }
udpDialer.LocalAddr = &net.UDPAddr{
IP: bindAddress.AsSlice(),
}
bindUDPAddr = M.SocksaddrFrom(bindAddress, 0).String() bindUDPAddr = M.SocksaddrFrom(bindAddress, 0).String()
} }
return &DefaultDialer{tfo.Dialer{Dialer: dialer, DisableTFO: !options.TCPFastOpen}, listener, bindUDPAddr} return &DefaultDialer{tfo.Dialer{Dialer: dialer, DisableTFO: !options.TCPFastOpen}, udpDialer, listener, bindUDPAddr}
} }
func (d *DefaultDialer) DialContext(ctx context.Context, network string, address M.Socksaddr) (net.Conn, error) { func (d *DefaultDialer) DialContext(ctx context.Context, network string, address M.Socksaddr) (net.Conn, error) {
return d.Dialer.DialContext(ctx, network, address.Unwrap().String()) switch N.NetworkName(network) {
case N.NetworkUDP:
return d.udpDialer.DialContext(ctx, network, address.String())
}
return d.dialer.DialContext(ctx, network, address.Unwrap().String())
} }
func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) { func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
return d.ListenConfig.ListenPacket(ctx, N.NetworkUDP, d.bindUDPAddr) return d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.bindUDPAddr)
}
func (d *DefaultDialer) Upstream() any {
return &d.Dialer
} }