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Diffstat (limited to 'pkg/tcpip/stack/stack_test.go')
-rw-r--r--pkg/tcpip/stack/stack_test.go146
1 files changed, 67 insertions, 79 deletions
diff --git a/pkg/tcpip/stack/stack_test.go b/pkg/tcpip/stack/stack_test.go
index 7ddf7a083..2814b94b4 100644
--- a/pkg/tcpip/stack/stack_test.go
+++ b/pkg/tcpip/stack/stack_test.go
@@ -172,20 +172,20 @@ func (f *fakeNetworkEndpoint) NetworkProtocolNumber() tcpip.NetworkProtocolNumbe
func (f *fakeNetworkEndpoint) WritePacket(r *stack.Route, gso *stack.GSO, params stack.NetworkHeaderParams, pkt *stack.PacketBuffer) tcpip.Error {
// Increment the sent packet count in the protocol descriptor.
- f.proto.sendPacketCount[int(r.RemoteAddress[0])%len(f.proto.sendPacketCount)]++
+ f.proto.sendPacketCount[int(r.RemoteAddress()[0])%len(f.proto.sendPacketCount)]++
// Add the protocol's header to the packet and send it to the link
// endpoint.
hdr := pkt.NetworkHeader().Push(fakeNetHeaderLen)
pkt.NetworkProtocolNumber = fakeNetNumber
- hdr[dstAddrOffset] = r.RemoteAddress[0]
- hdr[srcAddrOffset] = r.LocalAddress[0]
+ hdr[dstAddrOffset] = r.RemoteAddress()[0]
+ hdr[srcAddrOffset] = r.LocalAddress()[0]
hdr[protocolNumberOffset] = byte(params.Protocol)
- if r.Loop&stack.PacketLoop != 0 {
+ if r.Loop()&stack.PacketLoop != 0 {
f.HandlePacket(pkt.Clone())
}
- if r.Loop&stack.PacketOut == 0 {
+ if r.Loop()&stack.PacketOut == 0 {
return nil
}
@@ -597,12 +597,12 @@ func testRoute(t *testing.T, s *stack.Stack, nic tcpip.NICID, srcAddr, dstAddr,
defer r.Release()
- if r.LocalAddress != expectedSrcAddr {
- t.Fatalf("Bad source address: expected %v, got %v", expectedSrcAddr, r.LocalAddress)
+ if r.LocalAddress() != expectedSrcAddr {
+ t.Fatalf("got Route.LocalAddress() = %s, want = %s", expectedSrcAddr, r.LocalAddress())
}
- if r.RemoteAddress != dstAddr {
- t.Fatalf("Bad destination address: expected %v, got %v", dstAddr, r.RemoteAddress)
+ if r.RemoteAddress() != dstAddr {
+ t.Fatalf("got Route.RemoteAddress() = %s, want = %s", dstAddr, r.RemoteAddress())
}
}
@@ -1451,11 +1451,11 @@ func TestExternalSendWithHandleLocal(t *testing.T) {
}
defer r.Release()
- if r.LocalAddress != localAddr {
- t.Errorf("got r.LocalAddress = %s, want = %s", r.LocalAddress, localAddr)
+ if r.LocalAddress() != localAddr {
+ t.Errorf("got r.LocalAddress() = %s, want = %s", r.LocalAddress(), localAddr)
}
- if r.RemoteAddress != dstAddr {
- t.Errorf("got r.RemoteAddress = %s, want = %s", r.RemoteAddress, dstAddr)
+ if r.RemoteAddress() != dstAddr {
+ t.Errorf("got r.RemoteAddress() = %s, want = %s", r.RemoteAddress(), dstAddr)
}
if n := ep.Drain(); n != 0 {
@@ -1522,11 +1522,11 @@ func TestSpoofingWithAddress(t *testing.T) {
if err != nil {
t.Fatal("FindRoute failed:", err)
}
- if r.LocalAddress != nonExistentLocalAddr {
- t.Errorf("got Route.LocalAddress = %s, want = %s", r.LocalAddress, nonExistentLocalAddr)
+ if r.LocalAddress() != nonExistentLocalAddr {
+ t.Errorf("got Route.LocalAddress() = %s, want = %s", r.LocalAddress(), nonExistentLocalAddr)
}
- if r.RemoteAddress != dstAddr {
- t.Errorf("got Route.RemoteAddress = %s, want = %s", r.RemoteAddress, dstAddr)
+ if r.RemoteAddress() != dstAddr {
+ t.Errorf("got Route.RemoteAddress() = %s, want = %s", r.RemoteAddress(), dstAddr)
}
// Sending a packet works.
testSendTo(t, s, dstAddr, ep, nil)
@@ -1537,11 +1537,11 @@ func TestSpoofingWithAddress(t *testing.T) {
if err != nil {
t.Fatal("FindRoute failed:", err)
}
- if r.LocalAddress != localAddr {
- t.Errorf("got Route.LocalAddress = %s, want = %s", r.LocalAddress, nonExistentLocalAddr)
+ if r.LocalAddress() != localAddr {
+ t.Errorf("got Route.LocalAddress() = %s, want = %s", r.LocalAddress(), nonExistentLocalAddr)
}
- if r.RemoteAddress != dstAddr {
- t.Errorf("got Route.RemoteAddress = %s, want = %s", r.RemoteAddress, dstAddr)
+ if r.RemoteAddress() != dstAddr {
+ t.Errorf("got Route.RemoteAddress() = %s, want = %s", r.RemoteAddress(), dstAddr)
}
// Sending a packet using the route works.
testSend(t, r, ep, nil)
@@ -1586,33 +1586,17 @@ func TestSpoofingNoAddress(t *testing.T) {
if err != nil {
t.Fatal("FindRoute failed:", err)
}
- if r.LocalAddress != nonExistentLocalAddr {
- t.Errorf("got Route.LocalAddress = %s, want = %s", r.LocalAddress, nonExistentLocalAddr)
+ if r.LocalAddress() != nonExistentLocalAddr {
+ t.Errorf("got Route.LocalAddress() = %s, want = %s", r.LocalAddress(), nonExistentLocalAddr)
}
- if r.RemoteAddress != dstAddr {
- t.Errorf("got Route.RemoteAddress = %s, want = %s", r.RemoteAddress, dstAddr)
+ if r.RemoteAddress() != dstAddr {
+ t.Errorf("got Route.RemoteAddress() = %s, want = %s", r.RemoteAddress(), dstAddr)
}
// Sending a packet works.
// FIXME(b/139841518):Spoofing doesn't work if there is no primary address.
// testSendTo(t, s, remoteAddr, ep, nil)
}
-func verifyRoute(gotRoute, wantRoute *stack.Route) error {
- if gotRoute.LocalAddress != wantRoute.LocalAddress {
- return fmt.Errorf("bad local address: got %s, want = %s", gotRoute.LocalAddress, wantRoute.LocalAddress)
- }
- if gotRoute.RemoteAddress != wantRoute.RemoteAddress {
- return fmt.Errorf("bad remote address: got %s, want = %s", gotRoute.RemoteAddress, wantRoute.RemoteAddress)
- }
- if got, want := gotRoute.RemoteLinkAddress(), wantRoute.RemoteLinkAddress(); got != want {
- return fmt.Errorf("bad remote link address: got %s, want = %s", got, want)
- }
- if gotRoute.NextHop != wantRoute.NextHop {
- return fmt.Errorf("bad next-hop address: got %s, want = %s", gotRoute.NextHop, wantRoute.NextHop)
- }
- return nil
-}
-
func TestOutgoingBroadcastWithEmptyRouteTable(t *testing.T) {
s := stack.New(stack.Options{
NetworkProtocols: []stack.NetworkProtocolFactory{fakeNetFactory},
@@ -1640,11 +1624,12 @@ func TestOutgoingBroadcastWithEmptyRouteTable(t *testing.T) {
if err != nil {
t.Fatalf("FindRoute(1, %v, %v, %d) failed: %v", header.IPv4Any, header.IPv4Broadcast, fakeNetNumber, err)
}
- var wantRoute stack.Route
- wantRoute.LocalAddress = header.IPv4Any
- wantRoute.RemoteAddress = header.IPv4Broadcast
- if err := verifyRoute(r, &wantRoute); err != nil {
- t.Errorf("FindRoute(1, %v, %v, %d) returned unexpected Route: %v", header.IPv4Any, header.IPv4Broadcast, fakeNetNumber, err)
+ if r.LocalAddress() != header.IPv4Any {
+ t.Errorf("got Route.LocalAddress() = %s, want = %s", r.LocalAddress(), header.IPv4Any)
+ }
+
+ if r.RemoteAddress() != header.IPv4Broadcast {
+ t.Errorf("got Route.RemoteAddress() = %s, want = %s", r.RemoteAddress(), header.IPv4Broadcast)
}
// If the NIC doesn't exist, it won't work.
@@ -1700,11 +1685,12 @@ func TestOutgoingBroadcastWithRouteTable(t *testing.T) {
if err != nil {
t.Fatalf("FindRoute(1, %v, %v, %d) failed: %v", nic1Addr.Address, header.IPv4Broadcast, fakeNetNumber, err)
}
- var wantRoute stack.Route
- wantRoute.LocalAddress = nic1Addr.Address
- wantRoute.RemoteAddress = header.IPv4Broadcast
- if err := verifyRoute(r, &wantRoute); err != nil {
- t.Errorf("FindRoute(1, %v, %v, %d) returned unexpected Route: %v", nic1Addr.Address, header.IPv4Broadcast, fakeNetNumber, err)
+ if r.LocalAddress() != nic1Addr.Address {
+ t.Errorf("got Route.LocalAddress() = %s, want = %s", r.LocalAddress(), nic1Addr.Address)
+ }
+
+ if r.RemoteAddress() != header.IPv4Broadcast {
+ t.Errorf("got Route.RemoteAddress() = %s, want = %s", r.RemoteAddress(), header.IPv4Broadcast)
}
// When an interface is not given, it consults the route table.
@@ -1713,11 +1699,12 @@ func TestOutgoingBroadcastWithRouteTable(t *testing.T) {
if err != nil {
t.Fatalf("FindRoute(0, \"\", %s, %d) failed: %s", header.IPv4Broadcast, fakeNetNumber, err)
}
- wantRoute = stack.Route{}
- wantRoute.LocalAddress = nic2Addr.Address
- wantRoute.RemoteAddress = header.IPv4Broadcast
- if err := verifyRoute(r, &wantRoute); err != nil {
- t.Errorf("FindRoute(0, \"\", %s, %d) returned unexpected Route: %s)", header.IPv4Broadcast, fakeNetNumber, err)
+ if r.LocalAddress() != nic2Addr.Address {
+ t.Errorf("got Route.LocalAddress() = %s, want = %s", r.LocalAddress(), nic2Addr.Address)
+ }
+
+ if r.RemoteAddress() != header.IPv4Broadcast {
+ t.Errorf("got Route.RemoteAddress() = %s, want = %s", r.RemoteAddress(), header.IPv4Broadcast)
}
// 2. Case: Having an explicit route for broadcast will select that one.
@@ -1732,11 +1719,12 @@ func TestOutgoingBroadcastWithRouteTable(t *testing.T) {
if err != nil {
t.Fatalf("FindRoute(0, \"\", %s, %d) failed: %s", header.IPv4Broadcast, fakeNetNumber, err)
}
- wantRoute = stack.Route{}
- wantRoute.LocalAddress = nic1Addr.Address
- wantRoute.RemoteAddress = header.IPv4Broadcast
- if err := verifyRoute(r, &wantRoute); err != nil {
- t.Errorf("FindRoute(0, \"\", %s, %d) returned unexpected Route: %s)", header.IPv4Broadcast, fakeNetNumber, err)
+ if r.LocalAddress() != nic1Addr.Address {
+ t.Errorf("got Route.LocalAddress() = %s, want = %s", r.LocalAddress(), nic1Addr.Address)
+ }
+
+ if r.RemoteAddress() != header.IPv4Broadcast {
+ t.Errorf("got Route.RemoteAddress() = %s, want = %s", r.RemoteAddress(), header.IPv4Broadcast)
}
}
@@ -1817,11 +1805,11 @@ func TestMulticastOrIPv6LinkLocalNeedsNoRoute(t *testing.T) {
if err != nil {
t.Fatalf("FindRoute(1, %v, %v, %v) failed: %v", anyAddr, tc.address, fakeNetNumber, err)
}
- if r.LocalAddress != anyAddr {
- t.Errorf("Bad local address: got %v, want = %v", r.LocalAddress, anyAddr)
+ if r.LocalAddress() != anyAddr {
+ t.Errorf("Bad local address: got %v, want = %v", r.LocalAddress(), anyAddr)
}
- if r.RemoteAddress != tc.address {
- t.Errorf("Bad remote address: got %v, want = %v", r.RemoteAddress, tc.address)
+ if r.RemoteAddress() != tc.address {
+ t.Errorf("Bad remote address: got %v, want = %v", r.RemoteAddress(), tc.address)
}
}
// If the NIC doesn't exist, it won't work.
@@ -3654,23 +3642,23 @@ func TestOutgoingSubnetBroadcast(t *testing.T) {
if err != nil {
t.Fatalf("FindRoute(%d, '', %s, %d): %s", unspecifiedNICID, test.remoteAddr, netProto, err)
}
- if r.LocalAddress != test.expectedLocalAddress {
- t.Errorf("got r.LocalAddress = %s, want = %s", r.LocalAddress, test.expectedLocalAddress)
+ if r.LocalAddress() != test.expectedLocalAddress {
+ t.Errorf("got r.LocalAddress() = %s, want = %s", r.LocalAddress(), test.expectedLocalAddress)
}
- if r.RemoteAddress != test.expectedRemoteAddress {
- t.Errorf("got r.RemoteAddress = %s, want = %s", r.RemoteAddress, test.expectedRemoteAddress)
+ if r.RemoteAddress() != test.expectedRemoteAddress {
+ t.Errorf("got r.RemoteAddress = %s, want = %s", r.RemoteAddress(), test.expectedRemoteAddress)
}
if got := r.RemoteLinkAddress(); got != test.expectedRemoteLinkAddress {
t.Errorf("got r.RemoteLinkAddress() = %s, want = %s", got, test.expectedRemoteLinkAddress)
}
- if r.NextHop != test.expectedNextHop {
- t.Errorf("got r.NextHop = %s, want = %s", r.NextHop, test.expectedNextHop)
+ if r.NextHop() != test.expectedNextHop {
+ t.Errorf("got r.NextHop() = %s, want = %s", r.NextHop(), test.expectedNextHop)
}
- if r.NetProto != test.expectedNetProto {
- t.Errorf("got r.NetProto = %d, want = %d", r.NetProto, test.expectedNetProto)
+ if r.NetProto() != test.expectedNetProto {
+ t.Errorf("got r.NetProto() = %d, want = %d", r.NetProto(), test.expectedNetProto)
}
- if r.Loop != test.expectedLoop {
- t.Errorf("got r.Loop = %x, want = %x", r.Loop, test.expectedLoop)
+ if r.Loop() != test.expectedLoop {
+ t.Errorf("got r.Loop() = %x, want = %x", r.Loop(), test.expectedLoop)
}
})
}
@@ -4245,11 +4233,11 @@ func TestFindRouteWithForwarding(t *testing.T) {
return
}
- if r.LocalAddress != test.localAddr {
- t.Errorf("got r.LocalAddress = %s, want = %s", r.LocalAddress, test.localAddr)
+ if r.LocalAddress() != test.localAddr {
+ t.Errorf("got r.LocalAddress() = %s, want = %s", r.LocalAddress(), test.localAddr)
}
- if r.RemoteAddress != test.netCfg.remoteAddr {
- t.Errorf("got r.RemoteAddress = %s, want = %s", r.RemoteAddress, test.netCfg.remoteAddr)
+ if r.RemoteAddress() != test.netCfg.remoteAddr {
+ t.Errorf("got r.RemoteAddress() = %s, want = %s", r.RemoteAddress(), test.netCfg.remoteAddr)
}
if t.Failed() {