233 lines
7.3 KiB
Go
233 lines
7.3 KiB
Go
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// +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/insomniacslk/dhcp/dhcpv4"
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"github.com/stretchr/testify/assert"
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)
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func notify4(flags uint32) {
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}
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func TestV4StaticLeaseAddRemove(t *testing.T) {
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conf := V4ServerConf{
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Enabled: true,
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RangeStart: "192.168.10.100",
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RangeEnd: "192.168.10.200",
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GatewayIP: "192.168.10.1",
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SubnetMask: "255.255.255.0",
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notify: notify4,
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}
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s, err := v4Create(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("192.168.10.150").To4()
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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 the same 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, "192.168.10.150", 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("192.168.10.110").To4()
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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("192.168.10.150").To4()
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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 TestV4StaticLeaseAddReplaceDynamic(t *testing.T) {
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conf := V4ServerConf{
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Enabled: true,
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RangeStart: "192.168.10.100",
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RangeEnd: "192.168.10.200",
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GatewayIP: "192.168.10.1",
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SubnetMask: "255.255.255.0",
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notify: notify4,
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}
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sIface, err := v4Create(conf)
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s := sIface.(*v4Server)
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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("192.168.10.150").To4()
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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("192.168.10.151").To4()
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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("192.168.10.150").To4()
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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("192.168.10.152").To4()
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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, "192.168.10.150", 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, "192.168.10.152", 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 TestV4StaticLeaseGet(t *testing.T) {
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conf := V4ServerConf{
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Enabled: true,
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RangeStart: "192.168.10.100",
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RangeEnd: "192.168.10.200",
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GatewayIP: "192.168.10.1",
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SubnetMask: "255.255.255.0",
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notify: notify4,
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}
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sIface, err := v4Create(conf)
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s := sIface.(*v4Server)
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assert.True(t, err == nil)
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s.conf.dnsIPAddrs = []net.IP{net.ParseIP("192.168.10.1").To4()}
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l := Lease{}
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l.IP = net.ParseIP("192.168.10.150").To4()
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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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// "Discover"
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mac, _ := net.ParseMAC("aa:aa:aa:aa:aa:aa")
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req, _ := dhcpv4.NewDiscovery(mac)
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resp, _ := dhcpv4.NewReplyFromRequest(req)
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assert.Equal(t, 1, s.process(req, resp))
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// check "Offer"
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assert.Equal(t, dhcpv4.MessageTypeOffer, resp.MessageType())
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assert.Equal(t, "aa:aa:aa:aa:aa:aa", resp.ClientHWAddr.String())
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assert.Equal(t, "192.168.10.150", resp.YourIPAddr.String())
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assert.Equal(t, "192.168.10.1", resp.Router()[0].String())
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assert.Equal(t, "192.168.10.1", resp.ServerIdentifier().String())
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assert.Equal(t, "255.255.255.0", net.IP(resp.SubnetMask()).String())
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assert.Equal(t, s.conf.leaseTime.Seconds(), resp.IPAddressLeaseTime(-1).Seconds())
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// "Request"
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req, _ = dhcpv4.NewRequestFromOffer(resp)
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resp, _ = dhcpv4.NewReplyFromRequest(req)
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assert.Equal(t, 1, s.process(req, resp))
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// check "Ack"
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assert.Equal(t, dhcpv4.MessageTypeAck, resp.MessageType())
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assert.Equal(t, "aa:aa:aa:aa:aa:aa", resp.ClientHWAddr.String())
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assert.Equal(t, "192.168.10.150", resp.YourIPAddr.String())
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assert.Equal(t, "192.168.10.1", resp.Router()[0].String())
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assert.Equal(t, "192.168.10.1", resp.ServerIdentifier().String())
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assert.Equal(t, "255.255.255.0", net.IP(resp.SubnetMask()).String())
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assert.Equal(t, s.conf.leaseTime.Seconds(), resp.IPAddressLeaseTime(-1).Seconds())
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dnsAddrs := resp.DNS()
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assert.Equal(t, 1, len(dnsAddrs))
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assert.Equal(t, "192.168.10.1", 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, "192.168.10.150", 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 TestV4DynamicLeaseGet(t *testing.T) {
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conf := V4ServerConf{
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Enabled: true,
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RangeStart: "192.168.10.100",
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RangeEnd: "192.168.10.200",
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GatewayIP: "192.168.10.1",
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SubnetMask: "255.255.255.0",
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notify: notify4,
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}
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sIface, err := v4Create(conf)
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s := sIface.(*v4Server)
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assert.True(t, err == nil)
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s.conf.dnsIPAddrs = []net.IP{net.ParseIP("192.168.10.1").To4()}
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// "Discover"
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mac, _ := net.ParseMAC("aa:aa:aa:aa:aa:aa")
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req, _ := dhcpv4.NewDiscovery(mac)
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resp, _ := dhcpv4.NewReplyFromRequest(req)
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assert.Equal(t, 1, s.process(req, resp))
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// check "Offer"
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assert.Equal(t, dhcpv4.MessageTypeOffer, resp.MessageType())
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assert.Equal(t, "aa:aa:aa:aa:aa:aa", resp.ClientHWAddr.String())
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assert.Equal(t, "192.168.10.100", resp.YourIPAddr.String())
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assert.Equal(t, "192.168.10.1", resp.Router()[0].String())
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assert.Equal(t, "192.168.10.1", resp.ServerIdentifier().String())
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assert.Equal(t, "255.255.255.0", net.IP(resp.SubnetMask()).String())
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assert.Equal(t, s.conf.leaseTime.Seconds(), resp.IPAddressLeaseTime(-1).Seconds())
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// "Request"
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req, _ = dhcpv4.NewRequestFromOffer(resp)
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resp, _ = dhcpv4.NewReplyFromRequest(req)
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assert.Equal(t, 1, s.process(req, resp))
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// check "Ack"
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assert.Equal(t, dhcpv4.MessageTypeAck, resp.MessageType())
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assert.Equal(t, "aa:aa:aa:aa:aa:aa", resp.ClientHWAddr.String())
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assert.Equal(t, "192.168.10.100", resp.YourIPAddr.String())
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assert.Equal(t, "192.168.10.1", resp.Router()[0].String())
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assert.Equal(t, "192.168.10.1", resp.ServerIdentifier().String())
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assert.Equal(t, "255.255.255.0", net.IP(resp.SubnetMask()).String())
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assert.Equal(t, s.conf.leaseTime.Seconds(), resp.IPAddressLeaseTime(-1).Seconds())
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dnsAddrs := resp.DNS()
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assert.Equal(t, 1, len(dnsAddrs))
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assert.Equal(t, "192.168.10.1", 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, "192.168.10.100", 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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start := net.ParseIP("192.168.10.100").To4()
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stop := net.ParseIP("192.168.10.200").To4()
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assert.True(t, !ip4InRange(start, stop, net.ParseIP("192.168.10.99").To4()))
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assert.True(t, !ip4InRange(start, stop, net.ParseIP("192.168.11.100").To4()))
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assert.True(t, !ip4InRange(start, stop, net.ParseIP("192.168.11.201").To4()))
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assert.True(t, ip4InRange(start, stop, net.ParseIP("192.168.10.100").To4()))
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}
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