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Diffstat (limited to 'pkg/tcpip/stack/stack_test.go')
-rw-r--r--pkg/tcpip/stack/stack_test.go194
1 files changed, 0 insertions, 194 deletions
diff --git a/pkg/tcpip/stack/stack_test.go b/pkg/tcpip/stack/stack_test.go
index b5a603098..106645c50 100644
--- a/pkg/tcpip/stack/stack_test.go
+++ b/pkg/tcpip/stack/stack_test.go
@@ -23,7 +23,6 @@ import (
"math"
"net"
"sort"
- "strings"
"testing"
"time"
@@ -1641,149 +1640,6 @@ func TestMulticastOrIPv6LinkLocalNeedsNoRoute(t *testing.T) {
}
}
-// Add a range of addresses, then check that a packet is delivered.
-func TestAddressRangeAcceptsMatchingPacket(t *testing.T) {
- s := stack.New(stack.Options{
- NetworkProtocols: []stack.NetworkProtocol{fakeNetFactory()},
- })
-
- ep := channel.New(10, defaultMTU, "")
- if err := s.CreateNIC(1, ep); err != nil {
- t.Fatal("CreateNIC failed:", err)
- }
-
- {
- subnet, err := tcpip.NewSubnet("\x00", "\x00")
- if err != nil {
- t.Fatal(err)
- }
- s.SetRouteTable([]tcpip.Route{{Destination: subnet, Gateway: "\x00", NIC: 1}})
- }
-
- fakeNet := s.NetworkProtocolInstance(fakeNetNumber).(*fakeNetworkProtocol)
-
- buf := buffer.NewView(30)
-
- const localAddrByte byte = 0x01
- buf[dstAddrOffset] = localAddrByte
- subnet, err := tcpip.NewSubnet(tcpip.Address("\x00"), tcpip.AddressMask("\xF0"))
- if err != nil {
- t.Fatal("NewSubnet failed:", err)
- }
- if err := s.AddAddressRange(1, fakeNetNumber, subnet); err != nil {
- t.Fatal("AddAddressRange failed:", err)
- }
-
- testRecv(t, fakeNet, localAddrByte, ep, buf)
-}
-
-func testNicForAddressRange(t *testing.T, nicID tcpip.NICID, s *stack.Stack, subnet tcpip.Subnet, rangeExists bool) {
- t.Helper()
-
- // Loop over all addresses and check them.
- numOfAddresses := 1 << uint(8-subnet.Prefix())
- if numOfAddresses < 1 || numOfAddresses > 255 {
- t.Fatalf("got numOfAddresses = %d, want = [1 .. 255] (subnet=%s)", numOfAddresses, subnet)
- }
-
- addrBytes := []byte(subnet.ID())
- for i := 0; i < numOfAddresses; i++ {
- addr := tcpip.Address(addrBytes)
- wantNicID := nicID
- // The subnet and broadcast addresses are skipped.
- if !rangeExists || addr == subnet.ID() || addr == subnet.Broadcast() {
- wantNicID = 0
- }
- if gotNicID := s.CheckLocalAddress(0, fakeNetNumber, addr); gotNicID != wantNicID {
- t.Errorf("got CheckLocalAddress(0, %d, %s) = %d, want = %d", fakeNetNumber, addr, gotNicID, wantNicID)
- }
- addrBytes[0]++
- }
-
- // Trying the next address should always fail since it is outside the range.
- if gotNicID := s.CheckLocalAddress(0, fakeNetNumber, tcpip.Address(addrBytes)); gotNicID != 0 {
- t.Errorf("got CheckLocalAddress(0, %d, %s) = %d, want = 0", fakeNetNumber, tcpip.Address(addrBytes), gotNicID)
- }
-}
-
-// Set a range of addresses, then remove it again, and check at each step that
-// CheckLocalAddress returns the correct NIC for each address or zero if not
-// existent.
-func TestCheckLocalAddressForSubnet(t *testing.T) {
- const nicID tcpip.NICID = 1
- s := stack.New(stack.Options{
- NetworkProtocols: []stack.NetworkProtocol{fakeNetFactory()},
- })
-
- ep := channel.New(10, defaultMTU, "")
- if err := s.CreateNIC(nicID, ep); err != nil {
- t.Fatal("CreateNIC failed:", err)
- }
-
- {
- subnet, err := tcpip.NewSubnet("\x00", "\x00")
- if err != nil {
- t.Fatal(err)
- }
- s.SetRouteTable([]tcpip.Route{{Destination: subnet, Gateway: "\x00", NIC: nicID}})
- }
-
- subnet, err := tcpip.NewSubnet(tcpip.Address("\xa0"), tcpip.AddressMask("\xf0"))
- if err != nil {
- t.Fatal("NewSubnet failed:", err)
- }
-
- testNicForAddressRange(t, nicID, s, subnet, false /* rangeExists */)
-
- if err := s.AddAddressRange(nicID, fakeNetNumber, subnet); err != nil {
- t.Fatal("AddAddressRange failed:", err)
- }
-
- testNicForAddressRange(t, nicID, s, subnet, true /* rangeExists */)
-
- if err := s.RemoveAddressRange(nicID, subnet); err != nil {
- t.Fatal("RemoveAddressRange failed:", err)
- }
-
- testNicForAddressRange(t, nicID, s, subnet, false /* rangeExists */)
-}
-
-// Set a range of addresses, then send a packet to a destination outside the
-// range and then check it doesn't get delivered.
-func TestAddressRangeRejectsNonmatchingPacket(t *testing.T) {
- s := stack.New(stack.Options{
- NetworkProtocols: []stack.NetworkProtocol{fakeNetFactory()},
- })
-
- ep := channel.New(10, defaultMTU, "")
- if err := s.CreateNIC(1, ep); err != nil {
- t.Fatal("CreateNIC failed:", err)
- }
-
- {
- subnet, err := tcpip.NewSubnet("\x00", "\x00")
- if err != nil {
- t.Fatal(err)
- }
- s.SetRouteTable([]tcpip.Route{{Destination: subnet, Gateway: "\x00", NIC: 1}})
- }
-
- fakeNet := s.NetworkProtocolInstance(fakeNetNumber).(*fakeNetworkProtocol)
-
- buf := buffer.NewView(30)
-
- const localAddrByte byte = 0x01
- buf[dstAddrOffset] = localAddrByte
- subnet, err := tcpip.NewSubnet(tcpip.Address("\x10"), tcpip.AddressMask("\xF0"))
- if err != nil {
- t.Fatal("NewSubnet failed:", err)
- }
- if err := s.AddAddressRange(1, fakeNetNumber, subnet); err != nil {
- t.Fatal("AddAddressRange failed:", err)
- }
- testFailingRecv(t, fakeNet, localAddrByte, ep, buf)
-}
-
func TestNetworkOptions(t *testing.T) {
s := stack.New(stack.Options{
NetworkProtocols: []stack.NetworkProtocol{fakeNetFactory()},
@@ -1827,56 +1683,6 @@ func TestNetworkOptions(t *testing.T) {
}
}
-func stackContainsAddressRange(s *stack.Stack, id tcpip.NICID, addrRange tcpip.Subnet) bool {
- ranges, ok := s.NICAddressRanges()[id]
- if !ok {
- return false
- }
- for _, r := range ranges {
- if r == addrRange {
- return true
- }
- }
- return false
-}
-
-func TestAddresRangeAddRemove(t *testing.T) {
- s := stack.New(stack.Options{
- NetworkProtocols: []stack.NetworkProtocol{fakeNetFactory()},
- })
- ep := channel.New(10, defaultMTU, "")
- if err := s.CreateNIC(1, ep); err != nil {
- t.Fatal("CreateNIC failed:", err)
- }
-
- addr := tcpip.Address("\x01\x01\x01\x01")
- mask := tcpip.AddressMask(strings.Repeat("\xff", len(addr)))
- addrRange, err := tcpip.NewSubnet(addr, mask)
- if err != nil {
- t.Fatal("NewSubnet failed:", err)
- }
-
- if got, want := stackContainsAddressRange(s, 1, addrRange), false; got != want {
- t.Fatalf("got stackContainsAddressRange(...) = %t, want = %t", got, want)
- }
-
- if err := s.AddAddressRange(1, fakeNetNumber, addrRange); err != nil {
- t.Fatal("AddAddressRange failed:", err)
- }
-
- if got, want := stackContainsAddressRange(s, 1, addrRange), true; got != want {
- t.Fatalf("got stackContainsAddressRange(...) = %t, want = %t", got, want)
- }
-
- if err := s.RemoveAddressRange(1, addrRange); err != nil {
- t.Fatal("RemoveAddressRange failed:", err)
- }
-
- if got, want := stackContainsAddressRange(s, 1, addrRange), false; got != want {
- t.Fatalf("got stackContainsAddressRange(...) = %t, want = %t", got, want)
- }
-}
-
func TestGetMainNICAddressAddPrimaryNonPrimary(t *testing.T) {
for _, addrLen := range []int{4, 16} {
t.Run(fmt.Sprintf("addrLen=%d", addrLen), func(t *testing.T) {