diff options
Diffstat (limited to 'pkg/tcpip/network/ipv4/ipv4.go')
| -rw-r--r-- | pkg/tcpip/network/ipv4/ipv4.go | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/pkg/tcpip/network/ipv4/ipv4.go b/pkg/tcpip/network/ipv4/ipv4.go index f295a9192..2ccfa0822 100644 --- a/pkg/tcpip/network/ipv4/ipv4.go +++ b/pkg/tcpip/network/ipv4/ipv4.go @@ -321,8 +321,8 @@ func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, params stack.Netw // iptables filtering. All packets that reach here are locally // generated. - nicName := e.protocol.stack.FindNICNameFromID(e.nic.ID()) - if ok := e.protocol.stack.IPTables().Check(stack.Output, pkt, gso, r, "", nicName); !ok { + outNicName := e.protocol.stack.FindNICNameFromID(e.nic.ID()) + if ok := e.protocol.stack.IPTables().Check(stack.Output, pkt, gso, r, "" /* preroutingAddr */, "" /* inNicName */, outNicName); !ok { // iptables is telling us to drop the packet. e.stats.ip.IPTablesOutputDropped.Increment() return nil @@ -436,10 +436,10 @@ func (e *endpoint) WritePackets(r *stack.Route, gso *stack.GSO, pkts stack.Packe } } - nicName := e.protocol.stack.FindNICNameFromID(e.nic.ID()) + outNicName := e.protocol.stack.FindNICNameFromID(e.nic.ID()) // iptables filtering. All packets that reach here are locally // generated. - dropped, natPkts := e.protocol.stack.IPTables().CheckPackets(stack.Output, pkts, gso, r, nicName) + dropped, natPkts := e.protocol.stack.IPTables().CheckPackets(stack.Output, pkts, gso, r, "", outNicName) if len(dropped) == 0 && len(natPkts) == 0 { // Fast path: If no packets are to be dropped then we can just invoke the // faster WritePackets API directly. @@ -611,7 +611,8 @@ func (e *endpoint) HandlePacket(pkt *stack.PacketBuffer) { // Loopback traffic skips the prerouting chain. if !e.nic.IsLoopback() { - if ok := e.protocol.stack.IPTables().Check(stack.Prerouting, pkt, nil, nil, e.MainAddress().Address, ""); !ok { + inNicName := e.protocol.stack.FindNICNameFromID(e.nic.ID()) + if ok := e.protocol.stack.IPTables().Check(stack.Prerouting, pkt, nil, nil, e.MainAddress().Address, inNicName, "" /* outNicName */); !ok { // iptables is telling us to drop the packet. stats.IPTablesPreroutingDropped.Increment() return @@ -698,7 +699,8 @@ func (e *endpoint) handlePacket(pkt *stack.PacketBuffer) { // iptables filtering. All packets that reach here are intended for // this machine and will not be forwarded. - if ok := e.protocol.stack.IPTables().Check(stack.Input, pkt, nil, nil, "", ""); !ok { + inNicName := e.protocol.stack.FindNICNameFromID(e.nic.ID()) + if ok := e.protocol.stack.IPTables().Check(stack.Input, pkt, nil, nil, "" /* preroutingAddr */, inNicName, "" /* outNicName */); !ok { // iptables is telling us to drop the packet. stats.ip.IPTablesInputDropped.Increment() return |