Compare commits
No commits in common. "1510be9a554a67c6e5b34b552a5fc79f7f78c050" and "a93939a185685e29106a4760fba8a6bbf73595b0" have entirely different histories.
1510be9a55
...
a93939a185
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@ -1,42 +0,0 @@
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package nftest
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import (
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"runtime"
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"testing"
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"github.com/google/nftables"
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"github.com/vishvananda/netns"
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)
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// OpenSystemConn returns a netlink connection that tests against
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// the running kernel in a separate network namespace.
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// nftest.CleanupSystemConn() must be called from a defer to cleanup
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// created network namespace.
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func OpenSystemConn(t *testing.T, enableSysTests bool) (*nftables.Conn, netns.NsHandle) {
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t.Helper()
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if !enableSysTests {
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t.SkipNow()
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}
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// We lock the goroutine into the current thread, as namespace operations
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// such as those invoked by `netns.New()` are thread-local. This is undone
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// in nftest.CleanupSystemConn().
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runtime.LockOSThread()
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ns, err := netns.New()
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if err != nil {
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t.Fatalf("netns.New() failed: %v", err)
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}
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c, err := nftables.New(nftables.WithNetNSFd(int(ns)))
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if err != nil {
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t.Fatalf("nftables.New() failed: %v", err)
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}
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return c, ns
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}
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func CleanupSystemConn(t *testing.T, newNS netns.NsHandle) {
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defer runtime.UnlockOSThread()
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if err := newNS.Close(); err != nil {
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t.Fatalf("newNS.Close() failed: %v", err)
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}
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}
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178
nftables_test.go
178
nftables_test.go
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@ -22,6 +22,7 @@ import (
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"net"
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"os"
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"reflect"
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"runtime"
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"strings"
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"testing"
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"time"
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@ -32,10 +33,13 @@ import (
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"github.com/google/nftables/internal/nftest"
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"github.com/google/nftables/xt"
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"github.com/mdlayher/netlink"
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"github.com/vishvananda/netns"
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"golang.org/x/sys/unix"
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)
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var enableSysTests = flag.Bool("run_system_tests", false, "Run tests that operate against the live kernel")
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var (
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enableSysTests = flag.Bool("run_system_tests", false, "Run tests that operate against the live kernel")
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)
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// nfdump returns a hexdump of 4 bytes per line (like nft --debug=all), allowing
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// users to make sense of large byte literals more easily.
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@ -83,11 +87,45 @@ func ifname(n string) []byte {
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return b
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}
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// openSystemNFTConn returns a netlink connection that tests against
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// the running kernel in a separate network namespace.
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// cleanupSystemNFTConn() must be called from a defer to cleanup
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// created network namespace.
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func openSystemNFTConn(t *testing.T) (*nftables.Conn, netns.NsHandle) {
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t.Helper()
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if !*enableSysTests {
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t.SkipNow()
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}
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// We lock the goroutine into the current thread, as namespace operations
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// such as those invoked by `netns.New()` are thread-local. This is undone
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// in cleanupSystemNFTConn().
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runtime.LockOSThread()
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ns, err := netns.New()
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if err != nil {
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t.Fatalf("netns.New() failed: %v", err)
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}
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c, err := nftables.New(nftables.WithNetNSFd(int(ns)))
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if err != nil {
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t.Fatalf("nftables.New() failed: %v", err)
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}
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return c, ns
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}
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func cleanupSystemNFTConn(t *testing.T, newNS netns.NsHandle) {
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defer runtime.UnlockOSThread()
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if err := newNS.Close(); err != nil {
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t.Fatalf("newNS.Close() failed: %v", err)
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}
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}
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func TestRuleOperations(t *testing.T) {
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// Create a new network namespace to test these operations,
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// and tear down the namespace at test completion.
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c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
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defer nftest.CleanupSystemConn(t, newNS)
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c, newNS := openSystemNFTConn(t)
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defer cleanupSystemNFTConn(t, newNS)
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// Clear all rules at the beginning + end of the test.
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c.FlushRuleset()
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defer c.FlushRuleset()
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@ -543,8 +581,8 @@ func TestConfigureNATSourceAddress(t *testing.T) {
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}
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func TestMasqMarshalUnmarshal(t *testing.T) {
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c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
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defer nftest.CleanupSystemConn(t, newNS)
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c, newNS := openSystemNFTConn(t)
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defer cleanupSystemNFTConn(t, newNS)
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c.FlushRuleset()
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defer c.FlushRuleset()
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@ -620,8 +658,8 @@ func TestMasqMarshalUnmarshal(t *testing.T) {
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}
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func TestExprLogOptions(t *testing.T) {
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c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
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defer nftest.CleanupSystemConn(t, newNS)
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c, newNS := openSystemNFTConn(t)
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defer cleanupSystemNFTConn(t, newNS)
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c.FlushRuleset()
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defer c.FlushRuleset()
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@ -765,8 +803,8 @@ func TestExprLogOptions(t *testing.T) {
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}
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func TestExprLogPrefix(t *testing.T) {
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c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
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defer nftest.CleanupSystemConn(t, newNS)
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c, newNS := openSystemNFTConn(t)
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defer cleanupSystemNFTConn(t, newNS)
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c.FlushRuleset()
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defer c.FlushRuleset()
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@ -841,15 +879,15 @@ func TestGetRules(t *testing.T) {
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// strace -f -v -x -s 2048 -eraw=sendto nft list chain ip filter forward
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want := [][]byte{
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{0x2, 0x0, 0x0, 0x0, 0xb, 0x0, 0x1, 0x0, 0x66, 0x69, 0x6c, 0x74, 0x65, 0x72, 0x0, 0x0, 0xa, 0x0, 0x2, 0x0, 0x69, 0x6e, 0x70, 0x75, 0x74, 0x0, 0x0, 0x0},
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[]byte{0x2, 0x0, 0x0, 0x0, 0xb, 0x0, 0x1, 0x0, 0x66, 0x69, 0x6c, 0x74, 0x65, 0x72, 0x0, 0x0, 0xa, 0x0, 0x2, 0x0, 0x69, 0x6e, 0x70, 0x75, 0x74, 0x0, 0x0, 0x0},
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}
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// The reply messages come from adding log.Printf("msgs: %#v", msgs) to
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// (*github.com/mdlayher/netlink/Conn).receive
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reply := [][]netlink.Message{
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nil,
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{{Header: netlink.Header{Length: 0x68, Type: 0xa06, Flags: 0x802, Sequence: 0x9acb0443, PID: 0xba38ef3c}, Data: []uint8{0x2, 0x0, 0x0, 0xc, 0xb, 0x0, 0x1, 0x0, 0x66, 0x69, 0x6c, 0x74, 0x65, 0x72, 0x0, 0x0, 0xc, 0x0, 0x2, 0x0, 0x66, 0x6f, 0x72, 0x77, 0x61, 0x72, 0x64, 0x0, 0xc, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x30, 0x0, 0x4, 0x0, 0x2c, 0x0, 0x1, 0x0, 0xc, 0x0, 0x1, 0x0, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x65, 0x72, 0x0, 0x1c, 0x0, 0x2, 0x0, 0xc, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6d, 0x92, 0x20, 0x20, 0xc, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa, 0x48, 0xd9}}},
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{{Header: netlink.Header{Length: 0x14, Type: 0x3, Flags: 0x2, Sequence: 0x9acb0443, PID: 0xba38ef3c}, Data: []uint8{0x0, 0x0, 0x0, 0x0}}},
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[]netlink.Message{netlink.Message{Header: netlink.Header{Length: 0x68, Type: 0xa06, Flags: 0x802, Sequence: 0x9acb0443, PID: 0xba38ef3c}, Data: []uint8{0x2, 0x0, 0x0, 0xc, 0xb, 0x0, 0x1, 0x0, 0x66, 0x69, 0x6c, 0x74, 0x65, 0x72, 0x0, 0x0, 0xc, 0x0, 0x2, 0x0, 0x66, 0x6f, 0x72, 0x77, 0x61, 0x72, 0x64, 0x0, 0xc, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x30, 0x0, 0x4, 0x0, 0x2c, 0x0, 0x1, 0x0, 0xc, 0x0, 0x1, 0x0, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x65, 0x72, 0x0, 0x1c, 0x0, 0x2, 0x0, 0xc, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6d, 0x92, 0x20, 0x20, 0xc, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa, 0x48, 0xd9}}},
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[]netlink.Message{netlink.Message{Header: netlink.Header{Length: 0x14, Type: 0x3, Flags: 0x2, Sequence: 0x9acb0443, PID: 0xba38ef3c}, Data: []uint8{0x0, 0x0, 0x0, 0x0}}},
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}
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c, err := nftables.New(nftables.WithTestDial(
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|
@ -1622,6 +1660,7 @@ func TestListChains(t *testing.T) {
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validate(chain.Policy, want[i].Policy, "policy pointer", i)
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}
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}
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}
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func TestAddChain(t *testing.T) {
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|
@ -1783,22 +1822,21 @@ func TestDelChain(t *testing.T) {
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}
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}
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}
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func TestGetObjReset(t *testing.T) {
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// The want byte sequences come from stracing nft(8), e.g.:
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// strace -f -v -x -s 2048 -eraw=sendto nft list chain ip filter forward
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want := [][]byte{
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{0x2, 0x0, 0x0, 0x0, 0xb, 0x0, 0x1, 0x0, 0x66, 0x69, 0x6c, 0x74, 0x65, 0x72, 0x0, 0x0, 0xa, 0x0, 0x2, 0x0, 0x66, 0x77, 0x64, 0x65, 0x64, 0x0, 0x0, 0x0, 0x8, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x1},
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[]byte{0x2, 0x0, 0x0, 0x0, 0xb, 0x0, 0x1, 0x0, 0x66, 0x69, 0x6c, 0x74, 0x65, 0x72, 0x0, 0x0, 0xa, 0x0, 0x2, 0x0, 0x66, 0x77, 0x64, 0x65, 0x64, 0x0, 0x0, 0x0, 0x8, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x1},
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}
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// The reply messages come from adding log.Printf("msgs: %#v", msgs) to
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// (*github.com/mdlayher/netlink/Conn).receive
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reply := [][]netlink.Message{
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nil,
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{{Header: netlink.Header{Length: 0x64, Type: 0xa12, Flags: 0x802, Sequence: 0x9acb0443, PID: 0xde9}, Data: []uint8{0x2, 0x0, 0x0, 0x10, 0xb, 0x0, 0x1, 0x0, 0x66, 0x69, 0x6c, 0x74, 0x65, 0x72, 0x0, 0x0, 0xa, 0x0, 0x2, 0x0, 0x66, 0x77, 0x64, 0x65, 0x64, 0x0, 0x0, 0x0, 0x8, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x1, 0x8, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1c, 0x0, 0x4, 0x0, 0xc, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x61, 0xc, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0xc, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}}},
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{{Header: netlink.Header{Length: 0x14, Type: 0x3, Flags: 0x2, Sequence: 0x9acb0443, PID: 0xde9}, Data: []uint8{0x0, 0x0, 0x0, 0x0}}},
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{{Header: netlink.Header{Length: 36, Type: netlink.Error, Flags: 0x100, Sequence: 0x9acb0443, PID: 0xde9}, Data: []uint8{0, 0, 0, 0, 88, 0, 0, 0, 12, 10, 5, 4, 143, 109, 199, 146, 236, 9, 0, 0}}},
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[]netlink.Message{netlink.Message{Header: netlink.Header{Length: 0x64, Type: 0xa12, Flags: 0x802, Sequence: 0x9acb0443, PID: 0xde9}, Data: []uint8{0x2, 0x0, 0x0, 0x10, 0xb, 0x0, 0x1, 0x0, 0x66, 0x69, 0x6c, 0x74, 0x65, 0x72, 0x0, 0x0, 0xa, 0x0, 0x2, 0x0, 0x66, 0x77, 0x64, 0x65, 0x64, 0x0, 0x0, 0x0, 0x8, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x1, 0x8, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1c, 0x0, 0x4, 0x0, 0xc, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x61, 0xc, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0xc, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}}},
|
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[]netlink.Message{netlink.Message{Header: netlink.Header{Length: 0x14, Type: 0x3, Flags: 0x2, Sequence: 0x9acb0443, PID: 0xde9}, Data: []uint8{0x0, 0x0, 0x0, 0x0}}},
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[]netlink.Message{netlink.Message{Header: netlink.Header{Length: 36, Type: netlink.Error, Flags: 0x100, Sequence: 0x9acb0443, PID: 0xde9}, Data: []uint8{0, 0, 0, 0, 88, 0, 0, 0, 12, 10, 5, 4, 143, 109, 199, 146, 236, 9, 0, 0}}},
|
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}
|
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|
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c, err := nftables.New(nftables.WithTestDial(
|
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|
@ -1834,6 +1872,7 @@ func TestGetObjReset(t *testing.T) {
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Table: filter,
|
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Name: "fwded",
|
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})
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|
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if err != nil {
|
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t.Fatal(err)
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}
|
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|
@ -1863,8 +1902,8 @@ func TestObjAPI(t *testing.T) {
|
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|
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// Create a new network namespace to test these operations,
|
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// and tear down the namespace at test completion.
|
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c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
|
||||
// Clear all rules at the beginning + end of the test.
|
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c.FlushRuleset()
|
||||
|
@ -1925,6 +1964,7 @@ func TestObjAPI(t *testing.T) {
|
|||
}
|
||||
|
||||
objs, err := c.GetObjects(table)
|
||||
|
||||
if err != nil {
|
||||
t.Errorf("c.GetObjects(table) failed: %v failed", err)
|
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}
|
||||
|
@ -1934,6 +1974,7 @@ func TestObjAPI(t *testing.T) {
|
|||
}
|
||||
|
||||
objsOther, err := c.GetObjects(tableOther)
|
||||
|
||||
if err != nil {
|
||||
t.Errorf("c.GetObjects(tableOther) failed: %v failed", err)
|
||||
}
|
||||
|
@ -1943,6 +1984,7 @@ func TestObjAPI(t *testing.T) {
|
|||
}
|
||||
|
||||
obj1, err := c.GetObject(counter1)
|
||||
|
||||
if err != nil {
|
||||
t.Errorf("c.GetObject(counter1) failed: %v failed", err)
|
||||
}
|
||||
|
@ -1958,6 +2000,7 @@ func TestObjAPI(t *testing.T) {
|
|||
}
|
||||
|
||||
obj2, err := c.GetObject(counter2)
|
||||
|
||||
if err != nil {
|
||||
t.Errorf("c.GetObject(counter2) failed: %v failed", err)
|
||||
}
|
||||
|
@ -1999,6 +2042,7 @@ func TestObjAPI(t *testing.T) {
|
|||
}
|
||||
|
||||
legacy, err := c.GetObj(counter1)
|
||||
|
||||
if err != nil {
|
||||
t.Errorf("c.GetObj(counter1) failed: %v failed", err)
|
||||
}
|
||||
|
@ -2008,6 +2052,7 @@ func TestObjAPI(t *testing.T) {
|
|||
}
|
||||
|
||||
legacyReset, err := c.GetObjReset(counter1)
|
||||
|
||||
if err != nil {
|
||||
t.Errorf("c.GetObjReset(counter1) failed: %v failed", err)
|
||||
}
|
||||
|
@ -2015,6 +2060,7 @@ func TestObjAPI(t *testing.T) {
|
|||
if len(legacyReset) != 2 {
|
||||
t.Errorf("unexpected number of objects: got %d, want %d", len(legacyReset), 2)
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
func TestConfigureClamping(t *testing.T) {
|
||||
|
@ -2491,12 +2537,12 @@ func TestCreateUseAnonymousSet(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestCappedErrMsgOnSets(t *testing.T) {
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
c, err := nftables.New(nftables.WithNetNSFd(int(newNS)), nftables.AsLasting())
|
||||
if err != nil {
|
||||
t.Fatalf("nftables.New() failed: %v", err)
|
||||
}
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
||||
|
@ -2571,8 +2617,8 @@ func TestCappedErrMsgOnSets(t *testing.T) {
|
|||
func TestCreateUseNamedSet(t *testing.T) {
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -2625,10 +2671,11 @@ func TestCreateUseNamedSet(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestIP6SetAddElements(t *testing.T) {
|
||||
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -2676,8 +2723,8 @@ func TestIP6SetAddElements(t *testing.T) {
|
|||
func TestCreateUseCounterSet(t *testing.T) {
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -2719,8 +2766,8 @@ func TestCreateUseCounterSet(t *testing.T) {
|
|||
func TestCreateDeleteNamedSet(t *testing.T) {
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -2760,8 +2807,8 @@ func TestCreateDeleteNamedSet(t *testing.T) {
|
|||
func TestDeleteElementNamedSet(t *testing.T) {
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -2807,8 +2854,8 @@ func TestFlushNamedSet(t *testing.T) {
|
|||
}
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -2848,8 +2895,8 @@ func TestFlushNamedSet(t *testing.T) {
|
|||
func TestSetElementsInterval(t *testing.T) {
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -2916,8 +2963,8 @@ func TestSetElementsInterval(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestCreateListFlowtable(t *testing.T) {
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
||||
|
@ -2949,8 +2996,8 @@ func TestCreateListFlowtable(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestCreateListFlowtableWithDevices(t *testing.T) {
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
||||
|
@ -3015,8 +3062,8 @@ func TestCreateListFlowtableWithDevices(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestCreateDeleteFlowtable(t *testing.T) {
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
||||
|
@ -3068,8 +3115,8 @@ func TestCreateDeleteFlowtable(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestOffload(t *testing.T) {
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
||||
|
@ -3146,8 +3193,8 @@ func TestOffload(t *testing.T) {
|
|||
func TestFlushChain(t *testing.T) {
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -3260,8 +3307,8 @@ func TestFlushTable(t *testing.T) {
|
|||
}
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -3485,8 +3532,8 @@ func TestFlushTable(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestGetLookupExprDestSet(t *testing.T) {
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
||||
|
@ -3583,8 +3630,8 @@ func TestGetLookupExprDestSet(t *testing.T) {
|
|||
func TestGetRuleLookupVerdictImmediate(t *testing.T) {
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -3710,8 +3757,8 @@ func TestGetRuleLookupVerdictImmediate(t *testing.T) {
|
|||
func TestDynset(t *testing.T) {
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -3801,8 +3848,8 @@ func TestDynset(t *testing.T) {
|
|||
func TestDynsetWithOneExpression(t *testing.T) {
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -3903,8 +3950,8 @@ func TestDynsetWithOneExpression(t *testing.T) {
|
|||
func TestDynsetWithMultipleExpressions(t *testing.T) {
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -4612,6 +4659,7 @@ func TestSet4(t *testing.T) {
|
|||
// Additional details can be obtained by specifying the --debug=all option
|
||||
// when calling nft(8).
|
||||
want := [][]byte{
|
||||
|
||||
// batch begin
|
||||
[]byte("\x00\x00\x00\x0a"),
|
||||
|
||||
|
@ -5545,6 +5593,7 @@ func TestJHash(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestDup(t *testing.T) {
|
||||
|
||||
// The want byte sequences come from stracing nft(8), e.g.:
|
||||
// strace -f -v -x -s 2048 -eraw=sendto nft add rule filter prerouting mark set jhash ip saddr mod 2
|
||||
//
|
||||
|
@ -5612,6 +5661,7 @@ func TestDup(t *testing.T) {
|
|||
})
|
||||
|
||||
lo, err := net.InterfaceByName("lo")
|
||||
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
@ -5645,6 +5695,7 @@ func TestDup(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestDupWoDev(t *testing.T) {
|
||||
|
||||
// The want byte sequences come from stracing nft(8), e.g.:
|
||||
// strace -f -v -x -s 2048 -eraw=sendto nft add rule filter prerouting mark set jhash ip saddr mod 2
|
||||
//
|
||||
|
@ -5782,6 +5833,7 @@ func TestNotrack(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestQuota(t *testing.T) {
|
||||
|
||||
want := [][]byte{
|
||||
// batch begin
|
||||
[]byte("\x00\x00\x00\x0a"),
|
||||
|
@ -5947,8 +5999,8 @@ func TestStatelessNAT(t *testing.T) {
|
|||
func TestGetRulesObjref(t *testing.T) {
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -6012,8 +6064,8 @@ func TestGetRulesObjref(t *testing.T) {
|
|||
func TestGetRulesQueue(t *testing.T) {
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
@ -6069,8 +6121,8 @@ func TestGetRulesQueue(t *testing.T) {
|
|||
func TestNftablesCompat(t *testing.T) {
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
c, newNS := openSystemNFTConn(t)
|
||||
defer cleanupSystemNFTConn(t, newNS)
|
||||
// Clear all rules at the beginning + end of the test.
|
||||
c.FlushRuleset()
|
||||
defer c.FlushRuleset()
|
||||
|
|
|
@ -1,94 +0,0 @@
|
|||
// Copyright 2018 Google LLC. All Rights Reserved.
|
||||
//
|
||||
// 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 userdata implements a TLV parser/serializer for libnftables-compatible comments
|
||||
package userdata
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/binary"
|
||||
)
|
||||
|
||||
type Type byte
|
||||
|
||||
// TLV type values are defined in:
|
||||
// https://git.netfilter.org/iptables/tree/iptables/nft.c?id=73611d5582e72367a698faf1b5301c836e981465#n1659
|
||||
const (
|
||||
TypeComment Type = iota
|
||||
TypeEbtablesPolicy
|
||||
|
||||
TypesCount
|
||||
)
|
||||
|
||||
func Append(udata []byte, typ Type, data []byte) []byte {
|
||||
udata = append(udata, byte(typ), byte(len(data)))
|
||||
udata = append(udata, data...)
|
||||
|
||||
return udata
|
||||
}
|
||||
|
||||
func Get(udata []byte, styp Type) []byte {
|
||||
for {
|
||||
if len(udata) < 2 {
|
||||
break
|
||||
}
|
||||
|
||||
typ := Type(udata[0])
|
||||
length := int(udata[1])
|
||||
data := udata[2 : 2+length]
|
||||
|
||||
if styp == typ {
|
||||
return data
|
||||
}
|
||||
|
||||
if len(udata) < 2+length {
|
||||
break
|
||||
} else {
|
||||
udata = udata[2+length:]
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func AppendUint32(udata []byte, typ Type, num uint32) []byte {
|
||||
data := binary.LittleEndian.AppendUint32(nil, num)
|
||||
|
||||
return Append(udata, typ, data)
|
||||
}
|
||||
|
||||
func GetUint32(udata []byte, typ Type) (uint32, bool) {
|
||||
data := Get(udata, typ)
|
||||
if data == nil {
|
||||
return 0, false
|
||||
}
|
||||
|
||||
return binary.LittleEndian.Uint32(data), true
|
||||
}
|
||||
|
||||
func AppendString(udata []byte, typ Type, str string) []byte {
|
||||
data := append([]byte(str), 0)
|
||||
return Append(udata, typ, data)
|
||||
}
|
||||
|
||||
func GetString(udata []byte, typ Type) (string, bool) {
|
||||
data := Get(udata, typ)
|
||||
if data == nil {
|
||||
return "", false
|
||||
}
|
||||
|
||||
data, _ = bytes.CutSuffix(data, []byte{0})
|
||||
|
||||
return string(data), true
|
||||
}
|
|
@ -1,233 +0,0 @@
|
|||
// Copyright 2018 Google LLC. All Rights Reserved.
|
||||
//
|
||||
// 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 userdata_test
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/json"
|
||||
"flag"
|
||||
"os/exec"
|
||||
"testing"
|
||||
|
||||
"github.com/google/nftables"
|
||||
"github.com/google/nftables/internal/nftest"
|
||||
"github.com/google/nftables/userdata"
|
||||
)
|
||||
|
||||
var enableSysTests = flag.Bool("run_system_tests", false, "Run tests that operate against the live kernel")
|
||||
|
||||
type nftCliMetainfo struct {
|
||||
Version string `json:"version,omitempty"`
|
||||
ReleaseName string `json:"release_name,omitempty"`
|
||||
JSONSchemaVersion int `json:"json_schema_version,omitempty"`
|
||||
}
|
||||
|
||||
type nftCliTable struct {
|
||||
Family string `json:"family,omitempty"`
|
||||
Name string `json:"name,omitempty"`
|
||||
Handle int `json:"handle,omitempty"`
|
||||
}
|
||||
|
||||
type nftCliChain struct {
|
||||
Family string `json:"family,omitempty"`
|
||||
Table string `json:"table,omitempty"`
|
||||
Name string `json:"name,omitempty"`
|
||||
Handle int `json:"handle,omitempty"`
|
||||
}
|
||||
|
||||
type nftCliExpr struct{}
|
||||
|
||||
type nftCliRule struct {
|
||||
Family string `json:"family,omitempty"`
|
||||
Table string `json:"table,omitempty"`
|
||||
Chain string `json:"chain,omitempty"`
|
||||
Handle int `json:"handle,omitempty"`
|
||||
Comment string `json:"comment,omitempty"`
|
||||
Expr []nftCliExpr `json:"expr"`
|
||||
}
|
||||
|
||||
type nftCommand struct {
|
||||
Ruleset interface{} `json:"ruleset"`
|
||||
Table *nftCliTable `json:"table,omitempty"`
|
||||
Chain *nftCliChain `json:"chain,omitempty"`
|
||||
Rule *nftCliRule `json:"rule,omitempty"`
|
||||
}
|
||||
|
||||
type nftCliObject struct {
|
||||
Metainfo *nftCliMetainfo `json:"metainfo,omitempty"`
|
||||
Table *nftCliTable `json:"table,omitempty"`
|
||||
Chain *nftCliChain `json:"chain,omitempty"`
|
||||
Rule *nftCliRule `json:"rule,omitempty"`
|
||||
Add *nftCommand `json:"add,omitempty"`
|
||||
Flush *nftCommand `json:"flush,omitempty"`
|
||||
}
|
||||
|
||||
type nftCli struct {
|
||||
Nftables []nftCliObject `json:"nftables"`
|
||||
}
|
||||
|
||||
func TestCommentInteropGo2Cli(t *testing.T) {
|
||||
wantComment := "my comment"
|
||||
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
|
||||
c.FlushRuleset()
|
||||
|
||||
table := c.AddTable(&nftables.Table{
|
||||
Name: "userdata-table",
|
||||
Family: nftables.TableFamilyIPv4,
|
||||
})
|
||||
|
||||
chain := c.AddChain(&nftables.Chain{
|
||||
Name: "userdata-chain",
|
||||
Table: table,
|
||||
})
|
||||
|
||||
c.AddRule(&nftables.Rule{
|
||||
Table: table,
|
||||
Chain: chain,
|
||||
UserData: userdata.AppendString(nil, userdata.TypeComment, wantComment),
|
||||
})
|
||||
|
||||
if err := c.Flush(); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
out := bytes.NewBuffer(nil)
|
||||
d := exec.Command("nft", "-j", "list", "table", "userdata-table")
|
||||
d.Stdout = out
|
||||
if err := d.Run(); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
var outJson nftCli
|
||||
if err := json.Unmarshal(out.Bytes(), &outJson); err != nil {
|
||||
t.Fatal()
|
||||
}
|
||||
|
||||
found := 0
|
||||
for _, e := range outJson.Nftables {
|
||||
if e.Rule == nil || e.Rule.Handle == 0 {
|
||||
continue
|
||||
}
|
||||
|
||||
if e.Rule.Comment != wantComment {
|
||||
t.Fatal()
|
||||
}
|
||||
|
||||
found++
|
||||
}
|
||||
|
||||
if found != 1 {
|
||||
t.Fatalf("found %d rules", found)
|
||||
}
|
||||
|
||||
c.DelTable(table)
|
||||
|
||||
if err := c.Flush(); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestCommentInteropCli2Go(t *testing.T) {
|
||||
wantComment := "my comment"
|
||||
|
||||
inJson := nftCli{
|
||||
Nftables: []nftCliObject{
|
||||
{
|
||||
Metainfo: &nftCliMetainfo{
|
||||
JSONSchemaVersion: 1,
|
||||
},
|
||||
},
|
||||
{
|
||||
Flush: &nftCommand{
|
||||
Ruleset: nil,
|
||||
},
|
||||
},
|
||||
{
|
||||
Add: &nftCommand{
|
||||
Table: &nftCliTable{
|
||||
Family: "ip",
|
||||
Name: "userdata-table",
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Add: &nftCommand{
|
||||
Chain: &nftCliChain{
|
||||
Family: "ip",
|
||||
Name: "userdata-chain",
|
||||
Table: "userdata-table",
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Add: &nftCommand{
|
||||
Rule: &nftCliRule{
|
||||
Family: "ip",
|
||||
Table: "userdata-table",
|
||||
Chain: "userdata-chain",
|
||||
Comment: wantComment,
|
||||
Expr: []nftCliExpr{},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
in := bytes.NewBuffer(nil)
|
||||
if err := json.NewEncoder(in).Encode(inJson); err != nil {
|
||||
t.Fatal()
|
||||
}
|
||||
|
||||
// Create a new network namespace to test these operations,
|
||||
// and tear down the namespace at test completion.
|
||||
c, newNS := nftest.OpenSystemConn(t, *enableSysTests)
|
||||
defer nftest.CleanupSystemConn(t, newNS)
|
||||
|
||||
d := exec.Command("nft", "-j", "-f", "-")
|
||||
d.Stdin = in
|
||||
if err := d.Run(); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
table := &nftables.Table{
|
||||
Name: "userdata-table",
|
||||
Family: nftables.TableFamilyIPv4,
|
||||
}
|
||||
|
||||
chain := &nftables.Chain{
|
||||
Name: "userdata-chain",
|
||||
Table: table,
|
||||
}
|
||||
|
||||
rules, err := c.GetRules(table, chain)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
if len(rules) != 1 {
|
||||
t.Fatal()
|
||||
}
|
||||
|
||||
if comment, ok := userdata.GetString(rules[0].UserData, userdata.TypeComment); !ok {
|
||||
t.Fatalf("failed to find comment")
|
||||
} else if comment != wantComment {
|
||||
t.Fatalf("comment mismatch %q != %q", comment, wantComment)
|
||||
}
|
||||
}
|
|
@ -1,72 +0,0 @@
|
|||
// Copyright 2018 Google LLC. All Rights Reserved.
|
||||
//
|
||||
// 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 userdata_test
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/hex"
|
||||
"testing"
|
||||
|
||||
"github.com/google/nftables"
|
||||
"github.com/google/nftables/userdata"
|
||||
)
|
||||
|
||||
func TestUserDataComment(t *testing.T) {
|
||||
r := nftables.Rule{}
|
||||
|
||||
wantComment := "this is my comment"
|
||||
want := []byte{
|
||||
byte(userdata.TypeComment), // Type
|
||||
byte(len(wantComment) + 1), // Length (including terminating null byte)
|
||||
}
|
||||
want = append(want, []byte(wantComment)...) // Payload
|
||||
want = append(want, 0) // Terminating null byte
|
||||
|
||||
r.UserData = userdata.AppendString(r.UserData, userdata.TypeComment, wantComment)
|
||||
|
||||
if !bytes.Equal(r.UserData, want) {
|
||||
t.Fatalf("UserData mismatch: %s != %s",
|
||||
hex.EncodeToString(r.UserData),
|
||||
hex.EncodeToString(want))
|
||||
}
|
||||
|
||||
if comment, ok := userdata.GetString(r.UserData, userdata.TypeComment); !ok {
|
||||
t.Fatalf("failed to get comment")
|
||||
} else if comment != wantComment {
|
||||
t.Fatalf("comment does not match: %s != %s", comment, wantComment)
|
||||
}
|
||||
}
|
||||
|
||||
func TestUint32(t *testing.T) {
|
||||
// Define a custom type for storing a rule ID
|
||||
const TypeRuleID = userdata.TypesCount
|
||||
|
||||
r := nftables.Rule{}
|
||||
|
||||
wantRuleID := uint32(1234)
|
||||
want := []byte{byte(TypeRuleID), 4, 210, 4, 0, 0}
|
||||
|
||||
r.UserData = userdata.AppendUint32(r.UserData, TypeRuleID, wantRuleID)
|
||||
|
||||
if !bytes.Equal(r.UserData, want) {
|
||||
t.Fatalf("UserData mismatch: %x != %x", r.UserData, want)
|
||||
}
|
||||
|
||||
if ruleID, ok := userdata.GetUint32(r.UserData, TypeRuleID); !ok {
|
||||
t.Fatalf("failed to get id")
|
||||
} else if ruleID != wantRuleID {
|
||||
t.Fatalf("id mismatch")
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue