36c7735b85
Merge in DNS/adguard-home from 2355-dhcpcheck-ipv6 to master Updates #2335. Squashed commit of the following: commit 5ce1cc7bc244ba5dd4a065d47dec8884fa3d45e7 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Wed Nov 25 14:03:24 2020 +0300 dhcpd: fix loop exit condition commit 32b4b946bfa30159326dc295fa1a2607b78172af Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Wed Nov 25 13:26:50 2020 +0300 dhcpd: fix interface ipv6 check
281 lines
7.4 KiB
Go
281 lines
7.4 KiB
Go
// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
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package dhcpd
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import (
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"net"
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"testing"
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"github.com/AdguardTeam/AdGuardHome/internal/agherr"
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"github.com/insomniacslk/dhcp/dhcpv6"
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"github.com/insomniacslk/dhcp/iana"
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"github.com/stretchr/testify/assert"
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)
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func notify6(flags uint32) {
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}
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func TestV6StaticLeaseAddRemove(t *testing.T) {
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conf := V6ServerConf{
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Enabled: true,
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RangeStart: "2001::1",
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notify: notify6,
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}
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s, err := v6Create(conf)
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assert.True(t, err == nil)
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ls := s.GetLeases(LeasesStatic)
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assert.Equal(t, 0, len(ls))
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// add static lease
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l := Lease{}
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l.IP = net.ParseIP("2001::1")
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l.HWAddr, _ = net.ParseMAC("aa:aa:aa:aa:aa:aa")
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assert.True(t, s.AddStaticLease(l) == nil)
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// try to add static lease - fail
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assert.True(t, s.AddStaticLease(l) != nil)
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// check
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ls = s.GetLeases(LeasesStatic)
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assert.Equal(t, 1, len(ls))
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assert.Equal(t, "2001::1", ls[0].IP.String())
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assert.Equal(t, "aa:aa:aa:aa:aa:aa", ls[0].HWAddr.String())
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assert.True(t, ls[0].Expiry.Unix() == leaseExpireStatic)
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// try to remove static lease - fail
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l.IP = net.ParseIP("2001::2")
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l.HWAddr, _ = net.ParseMAC("aa:aa:aa:aa:aa:aa")
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assert.True(t, s.RemoveStaticLease(l) != nil)
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// remove static lease
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l.IP = net.ParseIP("2001::1")
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l.HWAddr, _ = net.ParseMAC("aa:aa:aa:aa:aa:aa")
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assert.True(t, s.RemoveStaticLease(l) == nil)
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// check
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ls = s.GetLeases(LeasesStatic)
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assert.Equal(t, 0, len(ls))
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}
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func TestV6StaticLeaseAddReplaceDynamic(t *testing.T) {
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conf := V6ServerConf{
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Enabled: true,
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RangeStart: "2001::1",
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notify: notify6,
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}
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sIface, err := v6Create(conf)
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s := sIface.(*v6Server)
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assert.True(t, err == nil)
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// add dynamic lease
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ld := Lease{}
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ld.IP = net.ParseIP("2001::1")
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ld.HWAddr, _ = net.ParseMAC("11:aa:aa:aa:aa:aa")
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s.addLease(&ld)
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// add dynamic lease
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{
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ld := Lease{}
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ld.IP = net.ParseIP("2001::2")
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ld.HWAddr, _ = net.ParseMAC("22:aa:aa:aa:aa:aa")
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s.addLease(&ld)
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}
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// add static lease with the same IP
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l := Lease{}
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l.IP = net.ParseIP("2001::1")
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l.HWAddr, _ = net.ParseMAC("33:aa:aa:aa:aa:aa")
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assert.True(t, s.AddStaticLease(l) == nil)
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// add static lease with the same MAC
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l = Lease{}
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l.IP = net.ParseIP("2001::3")
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l.HWAddr, _ = net.ParseMAC("22:aa:aa:aa:aa:aa")
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assert.True(t, s.AddStaticLease(l) == nil)
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// check
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ls := s.GetLeases(LeasesStatic)
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assert.Equal(t, 2, len(ls))
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assert.Equal(t, "2001::1", ls[0].IP.String())
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assert.Equal(t, "33:aa:aa:aa:aa:aa", ls[0].HWAddr.String())
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assert.True(t, ls[0].Expiry.Unix() == leaseExpireStatic)
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assert.Equal(t, "2001::3", ls[1].IP.String())
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assert.Equal(t, "22:aa:aa:aa:aa:aa", ls[1].HWAddr.String())
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assert.True(t, ls[1].Expiry.Unix() == leaseExpireStatic)
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}
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func TestV6GetLease(t *testing.T) {
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conf := V6ServerConf{
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Enabled: true,
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RangeStart: "2001::1",
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notify: notify6,
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}
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sIface, err := v6Create(conf)
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s := sIface.(*v6Server)
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assert.True(t, err == nil)
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s.conf.dnsIPAddrs = []net.IP{net.ParseIP("2000::1")}
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s.sid = dhcpv6.Duid{
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Type: dhcpv6.DUID_LLT,
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HwType: iana.HWTypeEthernet,
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}
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s.sid.LinkLayerAddr, _ = net.ParseMAC("aa:aa:aa:aa:aa:aa")
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l := Lease{}
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l.IP = net.ParseIP("2001::1")
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l.HWAddr, _ = net.ParseMAC("aa:aa:aa:aa:aa:aa")
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assert.True(t, s.AddStaticLease(l) == nil)
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// "Solicit"
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mac, _ := net.ParseMAC("aa:aa:aa:aa:aa:aa")
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req, _ := dhcpv6.NewSolicit(mac)
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msg, _ := req.GetInnerMessage()
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resp, _ := dhcpv6.NewAdvertiseFromSolicit(msg)
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assert.True(t, s.process(msg, req, resp))
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resp.AddOption(dhcpv6.OptServerID(s.sid))
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// check "Advertise"
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assert.Equal(t, dhcpv6.MessageTypeAdvertise, resp.Type())
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oia := resp.Options.OneIANA()
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oiaAddr := oia.Options.OneAddress()
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assert.Equal(t, "2001::1", oiaAddr.IPv6Addr.String())
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assert.Equal(t, s.conf.leaseTime.Seconds(), oiaAddr.ValidLifetime.Seconds())
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// "Request"
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req, _ = dhcpv6.NewRequestFromAdvertise(resp)
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msg, _ = req.GetInnerMessage()
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resp, _ = dhcpv6.NewReplyFromMessage(msg)
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assert.True(t, s.process(msg, req, resp))
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// check "Reply"
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assert.Equal(t, dhcpv6.MessageTypeReply, resp.Type())
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oia = resp.Options.OneIANA()
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oiaAddr = oia.Options.OneAddress()
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assert.Equal(t, "2001::1", oiaAddr.IPv6Addr.String())
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assert.Equal(t, s.conf.leaseTime.Seconds(), oiaAddr.ValidLifetime.Seconds())
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dnsAddrs := resp.Options.DNS()
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assert.Equal(t, 1, len(dnsAddrs))
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assert.Equal(t, "2000::1", dnsAddrs[0].String())
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// check lease
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ls := s.GetLeases(LeasesStatic)
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assert.Equal(t, 1, len(ls))
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assert.Equal(t, "2001::1", ls[0].IP.String())
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assert.Equal(t, "aa:aa:aa:aa:aa:aa", ls[0].HWAddr.String())
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}
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func TestV6GetDynamicLease(t *testing.T) {
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conf := V6ServerConf{
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Enabled: true,
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RangeStart: "2001::2",
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notify: notify6,
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}
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sIface, err := v6Create(conf)
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s := sIface.(*v6Server)
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assert.True(t, err == nil)
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s.conf.dnsIPAddrs = []net.IP{net.ParseIP("2000::1")}
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s.sid = dhcpv6.Duid{
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Type: dhcpv6.DUID_LLT,
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HwType: iana.HWTypeEthernet,
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}
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s.sid.LinkLayerAddr, _ = net.ParseMAC("aa:aa:aa:aa:aa:aa")
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// "Solicit"
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mac, _ := net.ParseMAC("aa:aa:aa:aa:aa:aa")
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req, _ := dhcpv6.NewSolicit(mac)
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msg, _ := req.GetInnerMessage()
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resp, _ := dhcpv6.NewAdvertiseFromSolicit(msg)
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assert.True(t, s.process(msg, req, resp))
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resp.AddOption(dhcpv6.OptServerID(s.sid))
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// check "Advertise"
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assert.Equal(t, dhcpv6.MessageTypeAdvertise, resp.Type())
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oia := resp.Options.OneIANA()
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oiaAddr := oia.Options.OneAddress()
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assert.Equal(t, "2001::2", oiaAddr.IPv6Addr.String())
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// "Request"
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req, _ = dhcpv6.NewRequestFromAdvertise(resp)
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msg, _ = req.GetInnerMessage()
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resp, _ = dhcpv6.NewReplyFromMessage(msg)
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assert.True(t, s.process(msg, req, resp))
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// check "Reply"
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assert.Equal(t, dhcpv6.MessageTypeReply, resp.Type())
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oia = resp.Options.OneIANA()
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oiaAddr = oia.Options.OneAddress()
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assert.Equal(t, "2001::2", oiaAddr.IPv6Addr.String())
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dnsAddrs := resp.Options.DNS()
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assert.Equal(t, 1, len(dnsAddrs))
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assert.Equal(t, "2000::1", dnsAddrs[0].String())
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// check lease
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ls := s.GetLeases(LeasesDynamic)
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assert.Equal(t, 1, len(ls))
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assert.Equal(t, "2001::2", ls[0].IP.String())
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assert.Equal(t, "aa:aa:aa:aa:aa:aa", ls[0].HWAddr.String())
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assert.True(t, !ip6InRange(net.ParseIP("2001::2"), net.ParseIP("2001::1")))
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assert.True(t, !ip6InRange(net.ParseIP("2001::2"), net.ParseIP("2002::2")))
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assert.True(t, ip6InRange(net.ParseIP("2001::2"), net.ParseIP("2001::2")))
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assert.True(t, ip6InRange(net.ParseIP("2001::2"), net.ParseIP("2001::3")))
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}
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type fakeIface struct {
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addrs []net.Addr
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err error
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}
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// Addrs implements the netIface interface for *fakeIface.
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func (iface *fakeIface) Addrs() (addrs []net.Addr, err error) {
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if iface.err != nil {
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return nil, iface.err
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}
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return iface.addrs, nil
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}
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func TestIfaceIPv6Addrs(t *testing.T) {
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ip := net.IP{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6}
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ip4 := net.IP{1, 2, 3, 4}
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addr := &net.IPNet{IP: ip}
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errTest := agherr.Error("test error")
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testCases := []struct {
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name string
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iface netIface
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want []net.IP
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wantErr error
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}{{
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name: "success",
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iface: &fakeIface{addrs: []net.Addr{addr}, err: nil},
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want: []net.IP{ip},
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wantErr: nil,
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}, {
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name: "success_with_ipv4",
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iface: &fakeIface{
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addrs: []net.Addr{addr, &net.IPNet{IP: ip4}},
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err: nil,
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},
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want: []net.IP{ip},
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wantErr: nil,
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}, {
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name: "error",
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iface: &fakeIface{addrs: []net.Addr{addr}, err: errTest},
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want: nil,
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wantErr: errTest,
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}}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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got, gotErr := ifaceIPv6Addrs(tc.iface)
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assert.Equal(t, tc.want, got)
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assert.Equal(t, tc.wantErr, gotErr)
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})
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}
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}
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