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Fix missing NAT in pre-resolved UDP connections

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世界 2023-10-25 12:00:00 +08:00
parent 23aa8a0543
commit 2d0caade0d
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GPG Key ID: CD109927C34A63C4
1 changed files with 7 additions and 0 deletions
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7
outbound/default.go
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@ -17,6 +17,7 @@ import (
"github.com/sagernet/sing/common/bufio" "github.com/sagernet/sing/common/bufio"
"github.com/sagernet/sing/common/canceler" "github.com/sagernet/sing/common/canceler"
E "github.com/sagernet/sing/common/exceptions" E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network" N "github.com/sagernet/sing/common/network"
) )
@ -119,6 +120,9 @@ func NewPacketConnection(ctx context.Context, this N.Dialer, conn N.PacketConn,
return err return err
} }
if destinationAddress.IsValid() { if destinationAddress.IsValid() {
if metadata.Destination.IsFqdn() {
outConn = bufio.NewNATPacketConn(bufio.NewPacketConn(outConn), metadata.Destination, M.SocksaddrFrom(destinationAddress, metadata.Destination.Port))
}
if natConn, loaded := common.Cast[bufio.NATPacketConn](conn); loaded { if natConn, loaded := common.Cast[bufio.NATPacketConn](conn); loaded {
natConn.UpdateDestination(destinationAddress) natConn.UpdateDestination(destinationAddress)
} }
@ -159,6 +163,9 @@ func NewDirectPacketConnection(ctx context.Context, router adapter.Router, this
return err return err
} }
if destinationAddress.IsValid() { if destinationAddress.IsValid() {
if metadata.Destination.IsFqdn() {
outConn = bufio.NewNATPacketConn(bufio.NewPacketConn(outConn), M.SocksaddrFrom(destinationAddress, metadata.Destination.Port), metadata.Destination)
}
if natConn, loaded := common.Cast[bufio.NATPacketConn](conn); loaded { if natConn, loaded := common.Cast[bufio.NATPacketConn](conn); loaded {
natConn.UpdateDestination(destinationAddress) natConn.UpdateDestination(destinationAddress)
} }