black-internet-days-ahead/sing-box
1
0
Fork 0
mirror of https://github.com/SagerNet/sing-box.git synced 2024-11-22 00:21:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix UDP route

Browse source
This commit is contained in:
世界 2023-08-13 16:49:55 +08:00
parent d14170348d
commit 1dd2c26f31
No known key found for this signature in database
GPG key ID: CD109927C34A63C4
1 changed files with 6 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
route/router.go
View file

@ -740,13 +740,11 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
}
metadata.Network = N.NetworkUDP
var originAddress M.Socksaddr
if r.fakeIPStore != nil && r.fakeIPStore.Contains(metadata.Destination.Addr) {
domain, loaded := r.fakeIPStore.Lookup(metadata.Destination.Addr)
if !loaded {
return E.New("missing fakeip context")
}
originAddress = metadata.Destination
metadata.OriginDestination = metadata.Destination
metadata.Destination = M.Socksaddr{
Fqdn: domain,
@ -761,7 +759,7 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
conn = deadline.NewPacketConn(bufio.NewNetPacketConn(conn))
}*/
if metadata.InboundOptions.SniffEnabled {
if metadata.InboundOptions.SniffEnabled || metadata.Destination.Addr.IsUnspecified() {
buffer := buf.NewPacket()
buffer.FullReset()
destination, err := conn.ReadPacket(buffer)
@ -769,6 +767,9 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
buffer.Release()
return err
}
if metadata.Destination.Addr.IsUnspecified() {
metadata.Destination = destination
}
sniffMetadata, _ := sniff.PeekPacket(ctx, buffer.Bytes(), sniff.DomainNameQuery, sniff.QUICClientHello, sniff.STUNMessage)
if sniffMetadata != nil {
metadata.Protocol = sniffMetadata.Protocol
@ -819,8 +820,8 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
conn = statsService.RoutedPacketConnection(metadata.Inbound, detour.Tag(), metadata.User, conn)
}
}
if originAddress.IsValid() {
conn = fakeip.NewNATPacketConn(conn, originAddress, metadata.Destination)
if metadata.FakeIP {
conn = fakeip.NewNATPacketConn(conn, metadata.OriginDestination, metadata.Destination)
}
return detour.NewPacketConnection(ctx, conn, metadata)
}