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package netboot
import (
"log"
"net"
"testing"
"time"
"github.com/insomniacslk/dhcp/dhcpv4"
"github.com/insomniacslk/dhcp/dhcpv6"
"github.com/stretchr/testify/require"
)
func getAdv(advModifiers ...dhcpv6.Modifier) *dhcpv6.Message {
hwaddr, err := net.ParseMAC("aa:bb:cc:dd:ee:ff")
if err != nil {
log.Panic(err)
}
sol, err := dhcpv6.NewSolicit(hwaddr)
if err != nil {
log.Panic(err)
}
d, err := dhcpv6.NewAdvertiseFromSolicit(sol, advModifiers...)
if err != nil {
log.Panic(err)
}
return d
}
func TestGetNetConfFromPacketv6Invalid(t *testing.T) {
adv := getAdv()
_, err := GetNetConfFromPacketv6(adv)
require.Error(t, err)
}
func TestGetNetConfFromPacketv6NoSearchList(t *testing.T) {
addrs := []dhcpv6.OptIAAddress{
{
IPv6Addr: net.ParseIP("::1"),
PreferredLifetime: 3600 * time.Second,
ValidLifetime: 5200 * time.Second,
},
}
adv := getAdv(
dhcpv6.WithIANA(addrs...),
dhcpv6.WithDNS(net.ParseIP("fe80::1")),
)
_, err := GetNetConfFromPacketv6(adv)
require.NoError(t, err)
}
func TestGetNetConfFromPacketv6(t *testing.T) {
addrs := []dhcpv6.OptIAAddress{
{
IPv6Addr: net.ParseIP("::1"),
PreferredLifetime: 3600 * time.Second,
ValidLifetime: 5200 * time.Second,
},
}
adv := getAdv(
dhcpv6.WithIANA(addrs...),
dhcpv6.WithDNS(net.ParseIP("fe80::1")),
dhcpv6.WithDomainSearchList("slackware.it"),
)
netconf, err := GetNetConfFromPacketv6(adv)
require.NoError(t, err)
// check addresses
require.Equal(t, 1, len(netconf.Addresses))
require.Equal(t, net.ParseIP("::1"), netconf.Addresses[0].IPNet.IP)
require.Equal(t, 3600*time.Second, netconf.Addresses[0].PreferredLifetime)
require.Equal(t, 5200*time.Second, netconf.Addresses[0].ValidLifetime)
// check DNSes
require.Equal(t, 1, len(netconf.DNSServers))
require.Equal(t, net.ParseIP("fe80::1"), netconf.DNSServers[0])
// check DNS search list
require.Equal(t, 1, len(netconf.DNSSearchList))
require.Equal(t, "slackware.it", netconf.DNSSearchList[0])
// check routers
require.Equal(t, 0, len(netconf.Routers))
}
func TestGetNetConfFromPacketv4AddrZero(t *testing.T) {
d, _ := dhcpv4.New(dhcpv4.WithYourIP(net.IPv4zero))
_, err := GetNetConfFromPacketv4(d)
require.Error(t, err)
}
func TestGetNetConfFromPacketv4NoMask(t *testing.T) {
d, _ := dhcpv4.New(dhcpv4.WithYourIP(net.ParseIP("10.0.0.1")))
_, err := GetNetConfFromPacketv4(d)
require.Error(t, err)
}
func TestGetNetConfFromPacketv4NullMask(t *testing.T) {
d, _ := dhcpv4.New(
dhcpv4.WithNetmask(net.IPv4Mask(0, 0, 0, 0)),
dhcpv4.WithYourIP(net.ParseIP("10.0.0.1")),
)
_, err := GetNetConfFromPacketv4(d)
require.Error(t, err)
}
func TestGetNetConfFromPacketv4(t *testing.T) {
d, _ := dhcpv4.New(
dhcpv4.WithNetmask(net.IPv4Mask(255, 255, 255, 0)),
dhcpv4.WithLeaseTime(uint32(5200)),
dhcpv4.WithDNS(net.ParseIP("10.10.0.1"), net.ParseIP("10.10.0.2")),
dhcpv4.WithDomainSearchList("slackware.it", "dhcp.slackware.it"),
dhcpv4.WithRouter(net.ParseIP("10.0.0.254")),
dhcpv4.WithYourIP(net.ParseIP("10.0.0.1")),
)
netconf, err := GetNetConfFromPacketv4(d)
require.NoError(t, err)
// check addresses
require.Equal(t, 1, len(netconf.Addresses))
require.Equal(t, net.ParseIP("10.0.0.1"), netconf.Addresses[0].IPNet.IP)
require.Equal(t, time.Duration(0), netconf.Addresses[0].PreferredLifetime)
require.Equal(t, 5200*time.Second, netconf.Addresses[0].ValidLifetime)
// check DNSes
require.Equal(t, 2, len(netconf.DNSServers))
require.Equal(t, net.ParseIP("10.10.0.1").To4(), netconf.DNSServers[0])
require.Equal(t, net.ParseIP("10.10.0.2").To4(), netconf.DNSServers[1])
// check DNS search list
require.Equal(t, 2, len(netconf.DNSSearchList))
require.Equal(t, "slackware.it", netconf.DNSSearchList[0])
require.Equal(t, "dhcp.slackware.it", netconf.DNSSearchList[1])
// check routers
require.Equal(t, 1, len(netconf.Routers))
require.Equal(t, net.ParseIP("10.0.0.254").To4(), netconf.Routers[0])
}
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