AdGuardHome/internal/dhcpd/v6_test.go
Ainar Garipov fa33568fab Pull request: all: imp errcheck in tests
Merge in DNS/adguard-home from imp-errcheck to master

Squashed commit of the following:

commit ed046b8ef59a092a27c623cd14b3fc2ef305fc3d
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Feb 4 15:00:04 2021 +0300

    stats: imp cleanup more

commit e53a9240d3e3eec2417c768b98c267a8cd54d992
Merge: da734317 676f8c76
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Feb 4 14:59:40 2021 +0300

    Merge branch 'master' into imp-errcheck

commit da734317035543b52e5a9030813084bdc92ba90a
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Feb 4 14:37:26 2021 +0300

    stats: imp cleanup

commit 8b4ad150129111a09be6fa2944a21bd06ab8e5a1
Merge: 385c8a6c 5081ead0
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Feb 4 14:34:26 2021 +0300

    Merge branch 'master' into imp-errcheck

commit 385c8a6c91e3bf07a457da370c8cc77820b91600
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Jan 29 20:41:57 2021 +0300

    all: imp errcheck in tests
2021-02-04 15:12:34 +03:00

229 lines
6.3 KiB
Go

// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
package dhcpd
import (
"net"
"testing"
"github.com/insomniacslk/dhcp/dhcpv6"
"github.com/insomniacslk/dhcp/iana"
"github.com/stretchr/testify/assert"
)
func notify6(flags uint32) {
}
func TestV6StaticLeaseAddRemove(t *testing.T) {
conf := V6ServerConf{
Enabled: true,
RangeStart: net.ParseIP("2001::1"),
notify: notify6,
}
s, err := v6Create(conf)
assert.Nil(t, err)
ls := s.GetLeases(LeasesStatic)
assert.Empty(t, ls)
// add static lease
l := Lease{}
l.IP = net.ParseIP("2001::1")
l.HWAddr, _ = net.ParseMAC("aa:aa:aa:aa:aa:aa")
assert.Nil(t, s.AddStaticLease(l))
// try to add static lease - fail
assert.NotNil(t, s.AddStaticLease(l))
// check
ls = s.GetLeases(LeasesStatic)
assert.Len(t, ls, 1)
assert.Equal(t, "2001::1", ls[0].IP.String())
assert.Equal(t, "aa:aa:aa:aa:aa:aa", ls[0].HWAddr.String())
assert.EqualValues(t, leaseExpireStatic, ls[0].Expiry.Unix())
// try to remove static lease - fail
l.IP = net.ParseIP("2001::2")
l.HWAddr, _ = net.ParseMAC("aa:aa:aa:aa:aa:aa")
assert.NotNil(t, s.RemoveStaticLease(l))
// remove static lease
l.IP = net.ParseIP("2001::1")
l.HWAddr, _ = net.ParseMAC("aa:aa:aa:aa:aa:aa")
assert.Nil(t, s.RemoveStaticLease(l))
// check
ls = s.GetLeases(LeasesStatic)
assert.Empty(t, ls)
}
func TestV6StaticLeaseAddReplaceDynamic(t *testing.T) {
conf := V6ServerConf{
Enabled: true,
RangeStart: net.ParseIP("2001::1"),
notify: notify6,
}
sIface, err := v6Create(conf)
s, ok := sIface.(*v6Server)
assert.True(t, ok)
assert.Nil(t, err)
// add dynamic lease
ld := Lease{}
ld.IP = net.ParseIP("2001::1")
ld.HWAddr, _ = net.ParseMAC("11:aa:aa:aa:aa:aa")
s.addLease(&ld)
// add dynamic lease
{
ld := Lease{}
ld.IP = net.ParseIP("2001::2")
ld.HWAddr, _ = net.ParseMAC("22:aa:aa:aa:aa:aa")
s.addLease(&ld)
}
// add static lease with the same IP
l := Lease{}
l.IP = net.ParseIP("2001::1")
l.HWAddr, _ = net.ParseMAC("33:aa:aa:aa:aa:aa")
assert.Nil(t, s.AddStaticLease(l))
// add static lease with the same MAC
l = Lease{}
l.IP = net.ParseIP("2001::3")
l.HWAddr, _ = net.ParseMAC("22:aa:aa:aa:aa:aa")
assert.Nil(t, s.AddStaticLease(l))
// check
ls := s.GetLeases(LeasesStatic)
assert.Len(t, ls, 2)
assert.Equal(t, "2001::1", ls[0].IP.String())
assert.Equal(t, "33:aa:aa:aa:aa:aa", ls[0].HWAddr.String())
assert.EqualValues(t, leaseExpireStatic, ls[0].Expiry.Unix())
assert.Equal(t, "2001::3", ls[1].IP.String())
assert.Equal(t, "22:aa:aa:aa:aa:aa", ls[1].HWAddr.String())
assert.EqualValues(t, leaseExpireStatic, ls[1].Expiry.Unix())
}
func TestV6GetLease(t *testing.T) {
conf := V6ServerConf{
Enabled: true,
RangeStart: net.ParseIP("2001::1"),
notify: notify6,
}
sIface, err := v6Create(conf)
s, ok := sIface.(*v6Server)
assert.True(t, ok)
assert.Nil(t, err)
s.conf.dnsIPAddrs = []net.IP{net.ParseIP("2000::1")}
s.sid = dhcpv6.Duid{
Type: dhcpv6.DUID_LLT,
HwType: iana.HWTypeEthernet,
}
s.sid.LinkLayerAddr, _ = net.ParseMAC("aa:aa:aa:aa:aa:aa")
l := Lease{}
l.IP = net.ParseIP("2001::1")
l.HWAddr, _ = net.ParseMAC("aa:aa:aa:aa:aa:aa")
assert.Nil(t, s.AddStaticLease(l))
// "Solicit"
mac, _ := net.ParseMAC("aa:aa:aa:aa:aa:aa")
req, _ := dhcpv6.NewSolicit(mac)
msg, _ := req.GetInnerMessage()
resp, _ := dhcpv6.NewAdvertiseFromSolicit(msg)
assert.True(t, s.process(msg, req, resp))
resp.AddOption(dhcpv6.OptServerID(s.sid))
// check "Advertise"
assert.Equal(t, dhcpv6.MessageTypeAdvertise, resp.Type())
oia := resp.Options.OneIANA()
oiaAddr := oia.Options.OneAddress()
assert.Equal(t, "2001::1", oiaAddr.IPv6Addr.String())
assert.Equal(t, s.conf.leaseTime.Seconds(), oiaAddr.ValidLifetime.Seconds())
// "Request"
req, _ = dhcpv6.NewRequestFromAdvertise(resp)
msg, _ = req.GetInnerMessage()
resp, _ = dhcpv6.NewReplyFromMessage(msg)
assert.True(t, s.process(msg, req, resp))
// check "Reply"
assert.Equal(t, dhcpv6.MessageTypeReply, resp.Type())
oia = resp.Options.OneIANA()
oiaAddr = oia.Options.OneAddress()
assert.Equal(t, "2001::1", oiaAddr.IPv6Addr.String())
assert.Equal(t, s.conf.leaseTime.Seconds(), oiaAddr.ValidLifetime.Seconds())
dnsAddrs := resp.Options.DNS()
assert.Len(t, dnsAddrs, 1)
assert.Equal(t, "2000::1", dnsAddrs[0].String())
// check lease
ls := s.GetLeases(LeasesStatic)
assert.Len(t, ls, 1)
assert.Equal(t, "2001::1", ls[0].IP.String())
assert.Equal(t, "aa:aa:aa:aa:aa:aa", ls[0].HWAddr.String())
}
func TestV6GetDynamicLease(t *testing.T) {
conf := V6ServerConf{
Enabled: true,
RangeStart: net.ParseIP("2001::2"),
notify: notify6,
}
sIface, err := v6Create(conf)
s, ok := sIface.(*v6Server)
assert.True(t, ok)
assert.Nil(t, err)
s.conf.dnsIPAddrs = []net.IP{net.ParseIP("2000::1")}
s.sid = dhcpv6.Duid{
Type: dhcpv6.DUID_LLT,
HwType: iana.HWTypeEthernet,
}
s.sid.LinkLayerAddr, _ = net.ParseMAC("aa:aa:aa:aa:aa:aa")
// "Solicit"
mac, _ := net.ParseMAC("aa:aa:aa:aa:aa:aa")
req, _ := dhcpv6.NewSolicit(mac)
msg, _ := req.GetInnerMessage()
resp, _ := dhcpv6.NewAdvertiseFromSolicit(msg)
assert.True(t, s.process(msg, req, resp))
resp.AddOption(dhcpv6.OptServerID(s.sid))
// check "Advertise"
assert.Equal(t, dhcpv6.MessageTypeAdvertise, resp.Type())
oia := resp.Options.OneIANA()
oiaAddr := oia.Options.OneAddress()
assert.Equal(t, "2001::2", oiaAddr.IPv6Addr.String())
// "Request"
req, _ = dhcpv6.NewRequestFromAdvertise(resp)
msg, _ = req.GetInnerMessage()
resp, _ = dhcpv6.NewReplyFromMessage(msg)
assert.True(t, s.process(msg, req, resp))
// check "Reply"
assert.Equal(t, dhcpv6.MessageTypeReply, resp.Type())
oia = resp.Options.OneIANA()
oiaAddr = oia.Options.OneAddress()
assert.Equal(t, "2001::2", oiaAddr.IPv6Addr.String())
dnsAddrs := resp.Options.DNS()
assert.Len(t, dnsAddrs, 1)
assert.Equal(t, "2000::1", dnsAddrs[0].String())
// check lease
ls := s.GetLeases(LeasesDynamic)
assert.Len(t, ls, 1)
assert.Equal(t, "2001::2", ls[0].IP.String())
assert.Equal(t, "aa:aa:aa:aa:aa:aa", ls[0].HWAddr.String())
assert.False(t, ip6InRange(net.ParseIP("2001::2"), net.ParseIP("2001::1")))
assert.False(t, ip6InRange(net.ParseIP("2001::2"), net.ParseIP("2002::2")))
assert.True(t, ip6InRange(net.ParseIP("2001::2"), net.ParseIP("2001::2")))
assert.True(t, ip6InRange(net.ParseIP("2001::2"), net.ParseIP("2001::3")))
}