Files
coredhcp/plugins/serverid/plugin_test.go
2025-06-30 09:23:28 +08:00

128 lines
3.2 KiB
Go

// Copyright 2018-present the CoreDHCP Authors. All rights reserved
// This source code is licensed under the MIT license found in the
// LICENSE file in the root directory of this source tree.
package serverid
import (
"net"
"testing"
"github.com/insomniacslk/dhcp/dhcpv6"
)
func makeTestDUID(uuid string) dhcpv6.DUID {
var uuidb [16]byte
copy(uuidb[:], uuid)
return &dhcpv6.DUIDUUID{
UUID: uuidb,
}
}
func TestRejectBadServerIDV6(t *testing.T) {
req, err := dhcpv6.NewMessage()
if err != nil {
t.Fatal(err)
}
v6ServerID = makeTestDUID("0000000000000000")
req.MessageType = dhcpv6.MessageTypeRenew
dhcpv6.WithClientID(makeTestDUID("1000000000000000"))(req)
dhcpv6.WithServerID(makeTestDUID("0000000000000001"))(req)
stub, err := dhcpv6.NewReplyFromMessage(req)
if err != nil {
t.Fatal(err)
}
resp, stop := Handler6(req, stub)
if resp != nil {
t.Error("server_id is sending a response message to a request with mismatched ServerID")
}
if !stop {
t.Error("server_id did not interrupt processing on a request with mismatched ServerID")
}
}
func TestRejectUnexpectedServerIDV6(t *testing.T) {
req, err := dhcpv6.NewMessage()
if err != nil {
t.Fatal(err)
}
v6ServerID = makeTestDUID("0000000000000000")
req.MessageType = dhcpv6.MessageTypeSolicit
dhcpv6.WithClientID(makeTestDUID("1000000000000000"))(req)
dhcpv6.WithServerID(makeTestDUID("0000000000000000"))(req)
stub, err := dhcpv6.NewAdvertiseFromSolicit(req)
if err != nil {
t.Fatal(err)
}
resp, stop := Handler6(req, stub)
if resp != nil {
t.Error("server_id is sending a response message to a solicit with a ServerID")
}
if !stop {
t.Error("server_id did not interrupt processing on a solicit with a ServerID")
}
}
func TestAddServerIDV6(t *testing.T) {
req, err := dhcpv6.NewMessage()
if err != nil {
t.Fatal(err)
}
v6ServerID = makeTestDUID("0000000000000000")
req.MessageType = dhcpv6.MessageTypeRebind
dhcpv6.WithClientID(makeTestDUID("1000000000000000"))(req)
stub, err := dhcpv6.NewReplyFromMessage(req)
if err != nil {
t.Fatal(err)
}
resp, _ := Handler6(req, stub)
if resp == nil {
t.Fatal("plugin did not return an answer")
}
if opt := resp.(*dhcpv6.Message).Options.ServerID(); opt == nil {
t.Fatal("plugin did not add a ServerID option")
} else if !opt.Equal(v6ServerID) {
t.Fatalf("Got unexpected DUID: expected %v, got %v", v6ServerID, opt)
}
}
func TestRejectInnerMessageServerID(t *testing.T) {
req, err := dhcpv6.NewMessage()
if err != nil {
t.Fatal(err)
}
v6ServerID = makeTestDUID("0000000000000000")
req.MessageType = dhcpv6.MessageTypeSolicit
dhcpv6.WithClientID(makeTestDUID("1000000000000000"))(req)
dhcpv6.WithServerID(makeTestDUID("0000000000000000"))(req)
stub, err := dhcpv6.NewAdvertiseFromSolicit(req)
if err != nil {
t.Fatal(err)
}
relayedRequest, err := dhcpv6.EncapsulateRelay(req, dhcpv6.MessageTypeRelayForward, net.IPv6loopback, net.IPv6loopback)
if err != nil {
t.Fatal(err)
}
resp, stop := Handler6(relayedRequest, stub)
if resp != nil {
t.Error("server_id is sending a response message to a relayed solicit with a ServerID")
}
if !stop {
t.Error("server_id did not interrupt processing on a relayed solicit with a ServerID")
}
}