AdGuardHome/internal/dhcpd/v6_test.go

292 lines
7.0 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"
"github.com/stretchr/testify/require"
)
func notify6(flags uint32) {
}
func TestV6_AddRemove_static(t *testing.T) {
s, err := v6Create(V6ServerConf{
Enabled: true,
RangeStart: net.ParseIP("2001::1"),
notify: notify6,
})
require.Nil(t, err)
require.Empty(t, s.GetLeases(LeasesStatic))
// Add static lease.
l := Lease{
IP: net.ParseIP("2001::1"),
HWAddr: net.HardwareAddr{0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
}
require.Nil(t, s.AddStaticLease(l))
// Try to add the same static lease.
require.NotNil(t, s.AddStaticLease(l))
ls := s.GetLeases(LeasesStatic)
require.Len(t, ls, 1)
assert.Equal(t, l.IP, ls[0].IP)
assert.Equal(t, l.HWAddr, ls[0].HWAddr)
assert.EqualValues(t, leaseExpireStatic, ls[0].Expiry.Unix())
// Try to remove non-existent static lease.
require.NotNil(t, s.RemoveStaticLease(Lease{
IP: net.ParseIP("2001::2"),
HWAddr: l.HWAddr,
}))
// Remove static lease.
require.Nil(t, s.RemoveStaticLease(l))
assert.Empty(t, s.GetLeases(LeasesStatic))
}
func TestV6_AddReplace(t *testing.T) {
sIface, err := v6Create(V6ServerConf{
Enabled: true,
RangeStart: net.ParseIP("2001::1"),
notify: notify6,
})
require.Nil(t, err)
s, ok := sIface.(*v6Server)
require.True(t, ok)
// Add dynamic leases.
dynLeases := []*Lease{{
IP: net.ParseIP("2001::1"),
HWAddr: net.HardwareAddr{0x11, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
}, {
IP: net.ParseIP("2001::2"),
HWAddr: net.HardwareAddr{0x22, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
}}
for _, l := range dynLeases {
s.addLease(l)
}
stLeases := []Lease{{
IP: net.ParseIP("2001::1"),
HWAddr: net.HardwareAddr{0x33, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
}, {
IP: net.ParseIP("2001::3"),
HWAddr: net.HardwareAddr{0x22, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
}}
for _, l := range stLeases {
require.Nil(t, s.AddStaticLease(l))
}
ls := s.GetLeases(LeasesStatic)
require.Len(t, ls, 2)
for i, l := range ls {
assert.True(t, stLeases[i].IP.Equal(l.IP))
assert.Equal(t, stLeases[i].HWAddr, l.HWAddr)
assert.EqualValues(t, leaseExpireStatic, l.Expiry.Unix())
}
}
func TestV6GetLease(t *testing.T) {
var err error
sIface, err := v6Create(V6ServerConf{
Enabled: true,
RangeStart: net.ParseIP("2001::1"),
notify: notify6,
})
require.Nil(t, err)
s, ok := sIface.(*v6Server)
require.True(t, ok)
dnsAddr := net.ParseIP("2000::1")
s.conf.dnsIPAddrs = []net.IP{dnsAddr}
s.sid = dhcpv6.Duid{
Type: dhcpv6.DUID_LLT,
HwType: iana.HWTypeEthernet,
LinkLayerAddr: net.HardwareAddr{0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
}
l := Lease{
IP: net.ParseIP("2001::1"),
HWAddr: net.HardwareAddr{0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
}
require.Nil(t, s.AddStaticLease(l))
var req, resp, msg *dhcpv6.Message
mac := net.HardwareAddr{0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA}
t.Run("solicit", func(t *testing.T) {
req, err = dhcpv6.NewSolicit(mac)
require.Nil(t, err)
msg, err = req.GetInnerMessage()
require.Nil(t, err)
resp, err = dhcpv6.NewAdvertiseFromSolicit(msg)
require.Nil(t, err)
assert.True(t, s.process(msg, req, resp))
})
require.Nil(t, err)
resp.AddOption(dhcpv6.OptServerID(s.sid))
var oia *dhcpv6.OptIANA
var oiaAddr *dhcpv6.OptIAAddress
t.Run("advertise", func(t *testing.T) {
require.Equal(t, dhcpv6.MessageTypeAdvertise, resp.Type())
oia = resp.Options.OneIANA()
oiaAddr = oia.Options.OneAddress()
assert.Equal(t, l.IP, oiaAddr.IPv6Addr)
assert.Equal(t, s.conf.leaseTime.Seconds(), oiaAddr.ValidLifetime.Seconds())
})
t.Run("request", func(t *testing.T) {
req, err = dhcpv6.NewRequestFromAdvertise(resp)
require.Nil(t, err)
msg, err = req.GetInnerMessage()
require.Nil(t, err)
resp, err = dhcpv6.NewReplyFromMessage(msg)
require.Nil(t, err)
assert.True(t, s.process(msg, req, resp))
})
require.Nil(t, err)
t.Run("reply", func(t *testing.T) {
require.Equal(t, dhcpv6.MessageTypeReply, resp.Type())
oia = resp.Options.OneIANA()
oiaAddr = oia.Options.OneAddress()
assert.Equal(t, l.IP, oiaAddr.IPv6Addr)
assert.Equal(t, s.conf.leaseTime.Seconds(), oiaAddr.ValidLifetime.Seconds())
})
dnsAddrs := resp.Options.DNS()
require.Len(t, dnsAddrs, 1)
assert.Equal(t, dnsAddr, dnsAddrs[0])
t.Run("lease", func(t *testing.T) {
ls := s.GetLeases(LeasesStatic)
require.Len(t, ls, 1)
assert.Equal(t, l.IP, ls[0].IP)
assert.Equal(t, l.HWAddr, ls[0].HWAddr)
})
}
func TestV6GetDynamicLease(t *testing.T) {
sIface, err := v6Create(V6ServerConf{
Enabled: true,
RangeStart: net.ParseIP("2001::2"),
notify: notify6,
})
require.Nil(t, err)
s, ok := sIface.(*v6Server)
require.True(t, ok)
dnsAddr := net.ParseIP("2000::1")
s.conf.dnsIPAddrs = []net.IP{dnsAddr}
s.sid = dhcpv6.Duid{
Type: dhcpv6.DUID_LLT,
HwType: iana.HWTypeEthernet,
LinkLayerAddr: net.HardwareAddr{0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
}
var req, resp, msg *dhcpv6.Message
mac := net.HardwareAddr{0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA}
t.Run("solicit", func(t *testing.T) {
req, err = dhcpv6.NewSolicit(mac)
require.Nil(t, err)
msg, err = req.GetInnerMessage()
require.Nil(t, err)
resp, err = dhcpv6.NewAdvertiseFromSolicit(msg)
require.Nil(t, err)
assert.True(t, s.process(msg, req, resp))
})
require.Nil(t, err)
resp.AddOption(dhcpv6.OptServerID(s.sid))
var oia *dhcpv6.OptIANA
var oiaAddr *dhcpv6.OptIAAddress
t.Run("advertise", func(t *testing.T) {
require.Equal(t, dhcpv6.MessageTypeAdvertise, resp.Type())
oia = resp.Options.OneIANA()
oiaAddr = oia.Options.OneAddress()
assert.Equal(t, "2001::2", oiaAddr.IPv6Addr.String())
})
t.Run("request", func(t *testing.T) {
req, err = dhcpv6.NewRequestFromAdvertise(resp)
require.Nil(t, err)
msg, err = req.GetInnerMessage()
require.Nil(t, err)
resp, err = dhcpv6.NewReplyFromMessage(msg)
require.Nil(t, err)
assert.True(t, s.process(msg, req, resp))
})
require.Nil(t, err)
t.Run("reply", func(t *testing.T) {
require.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()
require.Len(t, dnsAddrs, 1)
assert.Equal(t, dnsAddr, dnsAddrs[0])
t.Run("lease", func(t *testing.T) {
ls := s.GetLeases(LeasesDynamic)
require.Len(t, ls, 1)
assert.Equal(t, "2001::2", ls[0].IP.String())
assert.Equal(t, mac, ls[0].HWAddr)
})
}
func TestIP6InRange(t *testing.T) {
start := net.ParseIP("2001::2")
testCases := []struct {
ip net.IP
want bool
}{{
ip: net.ParseIP("2001::1"),
want: false,
}, {
ip: net.ParseIP("2002::2"),
want: false,
}, {
ip: start,
want: true,
}, {
ip: net.ParseIP("2001::3"),
want: true,
}}
for _, tc := range testCases {
t.Run(tc.ip.String(), func(t *testing.T) {
assert.Equal(t, tc.want, ip6InRange(start, tc.ip))
})
}
}