diff options
Diffstat (limited to 'test/iptables/iptables_test.go')
-rw-r--r-- | test/iptables/iptables_test.go | 426 |
1 files changed, 0 insertions, 426 deletions
diff --git a/test/iptables/iptables_test.go b/test/iptables/iptables_test.go deleted file mode 100644 index 4733146c0..000000000 --- a/test/iptables/iptables_test.go +++ /dev/null @@ -1,426 +0,0 @@ -// Copyright 2019 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package iptables - -import ( - "context" - "errors" - "fmt" - "net" - "reflect" - "sync" - "testing" - - "gvisor.dev/gvisor/pkg/test/dockerutil" - "gvisor.dev/gvisor/pkg/test/testutil" -) - -// singleTest runs a TestCase. Each test follows a pattern: -// - Create a container. -// - Get the container's IP. -// - Send the container our IP. -// - Start a new goroutine running the local action of the test. -// - Wait for both the container and local actions to finish. -// -// Container output is logged to $TEST_UNDECLARED_OUTPUTS_DIR if it exists, or -// to stderr. -func singleTest(t *testing.T, test TestCase) { - for _, tc := range []bool{false, true} { - subtest := "IPv4" - if tc { - subtest = "IPv6" - } - t.Run(subtest, func(t *testing.T) { - iptablesTest(t, test, tc) - }) - } -} - -func iptablesTest(t *testing.T, test TestCase, ipv6 bool) { - if _, ok := Tests[test.Name()]; !ok { - t.Fatalf("no test found with name %q. Has it been registered?", test.Name()) - } - - // Wait for the local and container goroutines to finish. - var wg sync.WaitGroup - defer wg.Wait() - - ctx, cancel := context.WithTimeout(context.Background(), TestTimeout) - defer cancel() - - d := dockerutil.MakeContainer(ctx, t) - defer func() { - if logs, err := d.Logs(context.Background()); err != nil { - t.Logf("Failed to retrieve container logs.") - } else { - t.Logf("=== Container logs: ===\n%s", logs) - } - // Use a new context, as cleanup should run even when we - // timeout. - d.CleanUp(context.Background()) - }() - - // Create and start the container. - opts := dockerutil.RunOpts{ - Image: "iptables", - CapAdd: []string{"NET_ADMIN"}, - } - d.CopyFiles(&opts, "/runner", "test/iptables/runner/runner") - args := []string{"/runner/runner", "-name", test.Name()} - if ipv6 { - args = append(args, "-ipv6") - } - if err := d.Spawn(ctx, opts, args...); err != nil { - t.Fatalf("docker run failed: %v", err) - } - - // Get the container IP. - ip, err := d.FindIP(ctx, ipv6) - if err != nil { - // If ipv6 is not configured, don't fail. - if ipv6 && err == dockerutil.ErrNoIP { - t.Skipf("No ipv6 address is available.") - } - t.Fatalf("failed to get container IP: %v", err) - } - - // Give the container our IP. - if err := sendIP(ip); err != nil { - t.Fatalf("failed to send IP to container: %v", err) - } - - // Run our side of the test. - errCh := make(chan error, 2) - wg.Add(1) - go func() { - defer wg.Done() - if err := test.LocalAction(ctx, ip, ipv6); err != nil && !errors.Is(err, context.Canceled) { - errCh <- fmt.Errorf("LocalAction failed: %v", err) - } else { - errCh <- nil - } - if test.LocalSufficient() { - errCh <- nil - } - }() - - // Run the container side. - wg.Add(1) - go func() { - defer wg.Done() - // Wait for the final statement. This structure has the side - // effect that all container logs will appear within the - // individual test context. - if _, err := d.WaitForOutput(ctx, TerminalStatement, TestTimeout); err != nil && !errors.Is(err, context.Canceled) { - errCh <- fmt.Errorf("ContainerAction failed: %v", err) - } else { - errCh <- nil - } - if test.ContainerSufficient() { - errCh <- nil - } - }() - - for i := 0; i < 2; i++ { - select { - case err := <-errCh: - if err != nil { - t.Fatal(err) - } - } - } -} - -func sendIP(ip net.IP) error { - contAddr := net.TCPAddr{ - IP: ip, - Port: IPExchangePort, - } - var conn *net.TCPConn - // The container may not be listening when we first connect, so retry - // upon error. - cb := func() error { - c, err := net.DialTCP("tcp", nil, &contAddr) - conn = c - return err - } - if err := testutil.Poll(cb, TestTimeout); err != nil { - return fmt.Errorf("timed out waiting to send IP, most recent error: %v", err) - } - if _, err := conn.Write([]byte{0}); err != nil { - return fmt.Errorf("error writing to container: %v", err) - } - return nil -} - -func TestFilterInputDropUDP(t *testing.T) { - singleTest(t, FilterInputDropUDP{}) -} - -func TestFilterInputDropUDPPort(t *testing.T) { - singleTest(t, FilterInputDropUDPPort{}) -} - -func TestFilterInputDropDifferentUDPPort(t *testing.T) { - singleTest(t, FilterInputDropDifferentUDPPort{}) -} - -func TestFilterInputDropAll(t *testing.T) { - singleTest(t, FilterInputDropAll{}) -} - -func TestFilterInputDropOnlyUDP(t *testing.T) { - singleTest(t, FilterInputDropOnlyUDP{}) -} - -func TestFilterInputDropTCPDestPort(t *testing.T) { - singleTest(t, FilterInputDropTCPDestPort{}) -} - -func TestFilterInputDropTCPSrcPort(t *testing.T) { - singleTest(t, FilterInputDropTCPSrcPort{}) -} - -func TestFilterInputCreateUserChain(t *testing.T) { - singleTest(t, FilterInputCreateUserChain{}) -} - -func TestFilterInputDefaultPolicyAccept(t *testing.T) { - singleTest(t, FilterInputDefaultPolicyAccept{}) -} - -func TestFilterInputDefaultPolicyDrop(t *testing.T) { - singleTest(t, FilterInputDefaultPolicyDrop{}) -} - -func TestFilterInputReturnUnderflow(t *testing.T) { - singleTest(t, FilterInputReturnUnderflow{}) -} - -func TestFilterOutputDropTCPDestPort(t *testing.T) { - singleTest(t, FilterOutputDropTCPDestPort{}) -} - -func TestFilterOutputDropTCPSrcPort(t *testing.T) { - singleTest(t, FilterOutputDropTCPSrcPort{}) -} - -func TestFilterOutputAcceptTCPOwner(t *testing.T) { - singleTest(t, FilterOutputAcceptTCPOwner{}) -} - -func TestFilterOutputDropTCPOwner(t *testing.T) { - singleTest(t, FilterOutputDropTCPOwner{}) -} - -func TestFilterOutputAcceptUDPOwner(t *testing.T) { - singleTest(t, FilterOutputAcceptUDPOwner{}) -} - -func TestFilterOutputDropUDPOwner(t *testing.T) { - singleTest(t, FilterOutputDropUDPOwner{}) -} - -func TestFilterOutputOwnerFail(t *testing.T) { - singleTest(t, FilterOutputOwnerFail{}) -} - -func TestFilterOutputAcceptGIDOwner(t *testing.T) { - singleTest(t, FilterOutputAcceptGIDOwner{}) -} - -func TestFilterOutputDropGIDOwner(t *testing.T) { - singleTest(t, FilterOutputDropGIDOwner{}) -} - -func TestFilterOutputInvertGIDOwner(t *testing.T) { - singleTest(t, FilterOutputInvertGIDOwner{}) -} - -func TestFilterOutputInvertUIDOwner(t *testing.T) { - singleTest(t, FilterOutputInvertUIDOwner{}) -} - -func TestFilterOutputInvertUIDAndGIDOwner(t *testing.T) { - singleTest(t, FilterOutputInvertUIDAndGIDOwner{}) -} - -func TestFilterOutputInterfaceAccept(t *testing.T) { - singleTest(t, FilterOutputInterfaceAccept{}) -} - -func TestFilterOutputInterfaceDrop(t *testing.T) { - singleTest(t, FilterOutputInterfaceDrop{}) -} - -func TestFilterOutputInterface(t *testing.T) { - singleTest(t, FilterOutputInterface{}) -} - -func TestFilterOutputInterfaceBeginsWith(t *testing.T) { - singleTest(t, FilterOutputInterfaceBeginsWith{}) -} - -func TestFilterOutputInterfaceInvertDrop(t *testing.T) { - singleTest(t, FilterOutputInterfaceInvertDrop{}) -} - -func TestFilterOutputInterfaceInvertAccept(t *testing.T) { - singleTest(t, FilterOutputInterfaceInvertAccept{}) -} - -func TestJumpSerialize(t *testing.T) { - singleTest(t, FilterInputSerializeJump{}) -} - -func TestJumpBasic(t *testing.T) { - singleTest(t, FilterInputJumpBasic{}) -} - -func TestJumpReturn(t *testing.T) { - singleTest(t, FilterInputJumpReturn{}) -} - -func TestJumpReturnDrop(t *testing.T) { - singleTest(t, FilterInputJumpReturnDrop{}) -} - -func TestJumpBuiltin(t *testing.T) { - singleTest(t, FilterInputJumpBuiltin{}) -} - -func TestJumpTwice(t *testing.T) { - singleTest(t, FilterInputJumpTwice{}) -} - -func TestInputDestination(t *testing.T) { - singleTest(t, FilterInputDestination{}) -} - -func TestInputInvertDestination(t *testing.T) { - singleTest(t, FilterInputInvertDestination{}) -} - -func TestFilterOutputDestination(t *testing.T) { - singleTest(t, FilterOutputDestination{}) -} - -func TestFilterOutputInvertDestination(t *testing.T) { - singleTest(t, FilterOutputInvertDestination{}) -} - -func TestNATPreRedirectUDPPort(t *testing.T) { - singleTest(t, NATPreRedirectUDPPort{}) -} - -func TestNATPreRedirectTCPPort(t *testing.T) { - singleTest(t, NATPreRedirectTCPPort{}) -} - -func TestNATPreRedirectTCPOutgoing(t *testing.T) { - singleTest(t, NATPreRedirectTCPOutgoing{}) -} - -func TestNATOutRedirectTCPIncoming(t *testing.T) { - singleTest(t, NATOutRedirectTCPIncoming{}) -} -func TestNATOutRedirectUDPPort(t *testing.T) { - singleTest(t, NATOutRedirectUDPPort{}) -} - -func TestNATOutRedirectTCPPort(t *testing.T) { - singleTest(t, NATOutRedirectTCPPort{}) -} - -func TestNATDropUDP(t *testing.T) { - singleTest(t, NATDropUDP{}) -} - -func TestNATAcceptAll(t *testing.T) { - singleTest(t, NATAcceptAll{}) -} - -func TestNATOutRedirectIP(t *testing.T) { - singleTest(t, NATOutRedirectIP{}) -} - -func TestNATOutDontRedirectIP(t *testing.T) { - singleTest(t, NATOutDontRedirectIP{}) -} - -func TestNATOutRedirectInvert(t *testing.T) { - singleTest(t, NATOutRedirectInvert{}) -} - -func TestNATPreRedirectIP(t *testing.T) { - singleTest(t, NATPreRedirectIP{}) -} - -func TestNATPreDontRedirectIP(t *testing.T) { - singleTest(t, NATPreDontRedirectIP{}) -} - -func TestNATPreRedirectInvert(t *testing.T) { - singleTest(t, NATPreRedirectInvert{}) -} - -func TestNATRedirectRequiresProtocol(t *testing.T) { - singleTest(t, NATRedirectRequiresProtocol{}) -} - -func TestNATLoopbackSkipsPrerouting(t *testing.T) { - singleTest(t, NATLoopbackSkipsPrerouting{}) -} - -func TestInputSource(t *testing.T) { - singleTest(t, FilterInputSource{}) -} - -func TestInputInvertSource(t *testing.T) { - singleTest(t, FilterInputInvertSource{}) -} - -func TestFilterAddrs(t *testing.T) { - tcs := []struct { - ipv6 bool - addrs []string - want []string - }{ - { - ipv6: false, - addrs: []string{"192.168.0.1", "192.168.0.2/24", "::1", "::2/128"}, - want: []string{"192.168.0.1", "192.168.0.2"}, - }, - { - ipv6: true, - addrs: []string{"192.168.0.1", "192.168.0.2/24", "::1", "::2/128"}, - want: []string{"::1", "::2"}, - }, - } - - for _, tc := range tcs { - if got := filterAddrs(tc.addrs, tc.ipv6); !reflect.DeepEqual(got, tc.want) { - t.Errorf("%v with IPv6 %t: got %v, but wanted %v", tc.addrs, tc.ipv6, got, tc.want) - } - } -} - -func TestNATPreOriginalDst(t *testing.T) { - singleTest(t, NATPreOriginalDst{}) -} - -func TestNATOutOriginalDst(t *testing.T) { - singleTest(t, NATOutOriginalDst{}) -} |