AdGuardHome/internal/dhcpd/dhcpd_unix_test.go

165 lines
4.1 KiB
Go

//go:build darwin || freebsd || linux || openbsd
package dhcpd
import (
"net"
"net/netip"
"os"
"testing"
"time"
"github.com/AdguardTeam/AdGuardHome/internal/aghtest"
"github.com/AdguardTeam/golibs/netutil"
"github.com/AdguardTeam/golibs/testutil"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestMain(m *testing.M) {
aghtest.DiscardLogOutput(m)
}
func testNotify(flags uint32) {
}
// Leases database store/load.
func TestDB(t *testing.T) {
var err error
s := server{
conf: &ServerConfig{
DBFilePath: dbFilename,
},
}
s.srv4, err = v4Create(&V4ServerConf{
Enabled: true,
RangeStart: netip.MustParseAddr("192.168.10.100"),
RangeEnd: netip.MustParseAddr("192.168.10.200"),
GatewayIP: netip.MustParseAddr("192.168.10.1"),
SubnetMask: netip.MustParseAddr("255.255.255.0"),
notify: testNotify,
})
require.NoError(t, err)
s.srv6, err = v6Create(V6ServerConf{})
require.NoError(t, err)
leases := []*Lease{{
Expiry: time.Now().Add(time.Hour),
Hostname: "static-1.local",
HWAddr: net.HardwareAddr{0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
IP: net.IP{192, 168, 10, 100},
}, {
Hostname: "static-2.local",
HWAddr: net.HardwareAddr{0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xBB},
IP: net.IP{192, 168, 10, 101},
}}
srv4, ok := s.srv4.(*v4Server)
require.True(t, ok)
err = srv4.addLease(leases[0])
require.NoError(t, err)
err = s.srv4.AddStaticLease(leases[1])
require.NoError(t, err)
err = s.dbStore()
require.NoError(t, err)
testutil.CleanupAndRequireSuccess(t, func() (err error) { return os.Remove(dbFilename) })
err = s.srv4.ResetLeases(nil)
require.NoError(t, err)
err = s.dbLoad()
require.NoError(t, err)
ll := s.srv4.GetLeases(LeasesAll)
require.Len(t, ll, len(leases))
assert.Equal(t, leases[1].HWAddr, ll[0].HWAddr)
assert.Equal(t, leases[1].IP, ll[0].IP)
assert.True(t, ll[0].IsStatic())
assert.Equal(t, leases[0].HWAddr, ll[1].HWAddr)
assert.Equal(t, leases[0].IP, ll[1].IP)
assert.Equal(t, leases[0].Expiry.Unix(), ll[1].Expiry.Unix())
}
func TestNormalizeLeases(t *testing.T) {
dynLeases := []*Lease{{
HWAddr: net.HardwareAddr{1, 2, 3, 4},
}, {
HWAddr: net.HardwareAddr{1, 2, 3, 5},
}}
staticLeases := []*Lease{{
HWAddr: net.HardwareAddr{1, 2, 3, 4},
IP: net.IP{0, 2, 3, 4},
}, {
HWAddr: net.HardwareAddr{2, 2, 3, 4},
}}
leases := normalizeLeases(staticLeases, dynLeases)
require.Len(t, leases, 3)
assert.Equal(t, leases[0].HWAddr, dynLeases[0].HWAddr)
assert.Equal(t, leases[0].IP, staticLeases[0].IP)
assert.Equal(t, leases[1].HWAddr, staticLeases[1].HWAddr)
assert.Equal(t, leases[2].HWAddr, dynLeases[1].HWAddr)
}
func TestV4Server_badRange(t *testing.T) {
testCases := []struct {
name string
gatewayIP netip.Addr
subnetMask netip.Addr
wantErrMsg string
}{{
name: "gateway_in_range",
gatewayIP: netip.MustParseAddr("192.168.10.120"),
subnetMask: netip.MustParseAddr("255.255.255.0"),
wantErrMsg: "dhcpv4: gateway ip 192.168.10.120 in the ip range: " +
"192.168.10.20-192.168.10.200",
}, {
name: "outside_range_start",
gatewayIP: netip.MustParseAddr("192.168.10.1"),
subnetMask: netip.MustParseAddr("255.255.255.240"),
wantErrMsg: "dhcpv4: range start 192.168.10.20 is outside network " +
"192.168.10.1/28",
}, {
name: "outside_range_end",
gatewayIP: netip.MustParseAddr("192.168.10.1"),
subnetMask: netip.MustParseAddr("255.255.255.224"),
wantErrMsg: "dhcpv4: range end 192.168.10.200 is outside network " +
"192.168.10.1/27",
}}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
conf := V4ServerConf{
Enabled: true,
RangeStart: netip.MustParseAddr("192.168.10.20"),
RangeEnd: netip.MustParseAddr("192.168.10.200"),
GatewayIP: tc.gatewayIP,
SubnetMask: tc.subnetMask,
notify: testNotify,
}
_, err := v4Create(&conf)
testutil.AssertErrorMsg(t, tc.wantErrMsg, err)
})
}
}
// cloneUDPAddr returns a deep copy of a.
func cloneUDPAddr(a *net.UDPAddr) (clone *net.UDPAddr) {
return &net.UDPAddr{
IP: netutil.CloneIP(a.IP),
Port: a.Port,
Zone: a.Zone,
}
}