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Add "default" dst while no DST attr responsed from nl

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Signed-off-by: Li Chun <chun2.li@intel.com>
This commit is contained in:
Li Chun
2023-03-08 12:46:17 +08:00
committed by Alessandro Boch
parent 55c8b9515a
commit acdc658b86
2 changed files with 222 additions and 1 deletions
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178
route_test.go
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@@ -77,6 +77,80 @@ func TestRouteAddDel(t *testing.T) {
t.Fatal("Route not removed properly")
}
// add default route test
// equiv: default dev lo
_, defaultDst, _ := net.ParseCIDR("0.0.0.0/0")
route = Route{Dst: defaultDst, LinkIndex: link.Attrs().Index}
if err := RouteAdd(&route); err != nil {
t.Fatal(err)
}
routes, err = RouteList(link, FAMILY_V4)
if err != nil {
t.Fatal(err)
}
if len(routes) != 1 {
t.Fatal("Dev default route not listed properly")
}
if err := RouteDel(&routes[0]); err != nil {
t.Fatal(err)
}
routes, err = RouteList(link, FAMILY_V4)
if err != nil {
t.Fatal(err)
}
if len(routes) != 0 {
t.Fatal("Dev default route not removed properly")
}
// equiv: blackhole default
route = Route{Dst: defaultDst, Type: unix.RTN_BLACKHOLE, Family: FAMILY_V4}
if err := RouteAdd(&route); err != nil {
t.Fatal(err)
}
routes, err = RouteList(nil, FAMILY_V4)
if err != nil {
t.Fatal(err)
}
t.Logf("%+v", routes)
if len(routes) != 1 {
t.Fatal("Blackhole default route not listed properly")
}
if err := RouteDel(&routes[0]); err != nil {
t.Fatal(err)
}
routes, err = RouteList(nil, FAMILY_V4)
if err != nil {
t.Fatal(err)
}
if len(routes) != 0 {
t.Fatal("Blackhole default route not removed properly")
}
// equiv: prohibit default
route = Route{Dst: defaultDst, Type: unix.RTN_PROHIBIT}
if err := RouteAdd(&route); err != nil {
t.Fatal(err)
}
routes, err = RouteList(nil, FAMILY_V4)
if err != nil {
t.Fatal(err)
}
if len(routes) != 1 {
t.Fatal("Prohibit default route not listed properly")
}
if err := RouteDel(&routes[0]); err != nil {
t.Fatal(err)
}
routes, err = RouteList(nil, FAMILY_V4)
if err != nil {
t.Fatal(err)
}
if len(routes) != 0 {
t.Fatal("Prohibit default route not removed properly")
}
}
func TestRoute6AddDel(t *testing.T) {
@@ -135,7 +209,7 @@ func TestRoute6AddDel(t *testing.T) {
t.Fatal(err)
}
// cleanup route and dummy interface created for the test
// cleanup route
if len(routeToDstIP) == 0 {
t.Fatal("Route not present")
}
@@ -149,6 +223,108 @@ func TestRoute6AddDel(t *testing.T) {
if len(routes) != nroutes {
t.Fatal("Route not removed properly")
}
// add a default link route
_, defaultDst, _ := net.ParseCIDR("::/0")
route = Route{LinkIndex: link.Attrs().Index, Dst: defaultDst}
if err := RouteAdd(&route); err != nil {
t.Fatal(err)
}
routes, err = RouteList(link, FAMILY_V6)
if err != nil {
t.Fatal(err)
}
if len(routes) != nroutes+1 {
t.Fatal("Default route not added properly")
}
// add a default link route
for _, route := range routes {
if route.Dst.String() == defaultDst.String() {
if err := RouteDel(&route); err != nil {
t.Fatal(err)
}
}
}
routes, err = RouteList(link, FAMILY_V6)
if err != nil {
t.Fatal(err)
}
if len(routes) != nroutes {
t.Fatal("Default route not removed properly")
}
// add blackhole default link route
routes, err = RouteList(nil, FAMILY_V6)
if err != nil {
t.Fatal(err)
}
nroutes = len(routes)
route = Route{Type: unix.RTN_BLACKHOLE, Dst: defaultDst}
if err := RouteAdd(&route); err != nil {
t.Fatal(err)
}
routes, err = RouteList(nil, FAMILY_V6)
if err != nil {
t.Fatal(err)
}
if len(routes) != nroutes+1 {
t.Fatal("Blackhole default route not added properly")
}
// add blackhole default link route
for _, route := range routes {
if ipNetEqual(route.Dst, defaultDst) {
if err := RouteDel(&route); err != nil {
t.Fatal(err)
}
}
}
routes, err = RouteList(nil, FAMILY_V6)
if err != nil {
t.Fatal(err)
}
if len(routes) != nroutes {
t.Fatal("Blackhole default route not removed properly")
}
// add prohibit default link route
routes, err = RouteList(nil, FAMILY_V6)
if err != nil {
t.Fatal(err)
}
nroutes = len(routes)
route = Route{Type: unix.RTN_BLACKHOLE, Dst: defaultDst}
if err := RouteAdd(&route); err != nil {
t.Fatal(err)
}
routes, err = RouteList(nil, FAMILY_V6)
if err != nil {
t.Fatal(err)
}
if len(routes) != nroutes+1 {
t.Fatal("Prohibit default route not added properly")
}
// add prohibit default link route
for _, route := range routes {
if ipNetEqual(route.Dst, defaultDst) {
if err := RouteDel(&route); err != nil {
t.Fatal(err)
}
}
}
routes, err = RouteList(nil, FAMILY_V6)
if err != nil {
t.Fatal(err)
}
if len(routes) != nroutes {
t.Fatal("Prohibit default route not removed properly")
}
// cleanup dummy interface created for the test
if err := LinkDel(link); err != nil {
t.Fatal(err)
}