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Fix: fakeip udp should not replace with another ip

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This commit is contained in:
Dreamacro
2022-07-05 21:09:29 +08:00
committed by MetaCubeX
parent 133bb2319f
commit d71a2ce61e
3 changed files with 33 additions and 24 deletions
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16
tunnel/tunnel.go
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@ -209,9 +209,9 @@ func handleUDPConn(packet *inbound.PacketAdapter) {
}
// make a fAddr if request ip is fakeip
var fAddr net.Addr
var fAddr netip.Addr
if resolver.IsExistFakeIP(metadata.DstIP) {
fAddr = metadata.UDPAddr()
fAddr = metadata.DstIP
}
if err := preHandleMetadata(metadata); err != nil {
@ -219,6 +219,15 @@ func handleUDPConn(packet *inbound.PacketAdapter) {
return
}
// local resolve UDP dns
if !metadata.Resolved() {
ip, err := resolver.ResolveIP(metadata.Host)
if err != nil {
return
}
metadata.DstIP = ip
}
key := packet.LocalAddr().String()
handle := func() bool {
@ -288,7 +297,8 @@ func handleUDPConn(packet *inbound.PacketAdapter) {
log.Infoln("[UDP] %s --> %s doesn't match any rule using DIRECT", metadata.SourceDetail(), metadata.RemoteAddress())
}
go handleUDPToLocal(packet.UDPPacket, pc, key, fAddr)
oAddr := metadata.DstIP
go handleUDPToLocal(packet.UDPPacket, pc, key, oAddr, fAddr)
natTable.Set(key, pc)
handle()