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* dhcp: don't allocate a new lease when processing Request message

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This commit is contained in:
Simon Zolin
2019-03-07 16:57:20 +03:00
parent d832d7ce95
commit 542a67b84e
2 changed files with 5 additions and 18 deletions
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14
dhcpd/dhcpd_test.go
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@@ -43,11 +43,7 @@ func TestDHCP(t *testing.T) {
lease, _ = s.reserveLease(p)
check(t, bytes.Equal(lease.HWAddr, hw), "lease.HWAddr")
check(t, bytes.Equal(lease.IP, []byte{1, 1, 1, 1}), "lease.IP")
// Try to reserve another IP for the same machine - no new IP must be reserved
hw = []byte{1, 2, 3, 4, 5, 6}
p.SetCHAddr(hw)
lease, _ = s.reserveLease(p)
lease = s.findLease(p)
check(t, bytes.Equal(lease.HWAddr, hw), "lease.HWAddr")
check(t, bytes.Equal(lease.IP, []byte{1, 1, 1, 1}), "lease.IP")
@@ -100,7 +96,7 @@ func misc(t *testing.T, s *Server) {
p = make(dhcp4.Packet, 241)
// Commit a lease for an IP without prior Discover-Offer packets
// Try to commit a lease for an IP without prior Discover-Offer packets
hw = []byte{2, 2, 3, 4, 5, 6}
p.SetCHAddr(hw)
p.SetCIAddr([]byte{0, 0, 0, 0})
@@ -108,11 +104,7 @@ func misc(t *testing.T, s *Server) {
opt[dhcp4.OptionRequestedIPAddress] = []byte{1, 1, 1, 1}
p2 = s.handleDHCP4Request(p, opt)
opt = p2.ParseOptions()
check(t, bytes.Equal(opt[dhcp4.OptionDHCPMessageType], []byte{byte(dhcp4.ACK)}), "dhcp4.ACK")
check(t, bytes.Equal(p2.YIAddr(), []byte{1, 1, 1, 1}), "p2.YIAddr")
check(t, bytes.Equal(p2.CHAddr(), hw), "p2.CHAddr")
check(t, bytes.Equal(opt[dhcp4.OptionIPAddressLeaseTime], dhcp4.OptionsLeaseTime(5*time.Second)), "OptionIPAddressLeaseTime")
check(t, bytes.Equal(opt[dhcp4.OptionServerIdentifier], s.ipnet.IP), "OptionServerIdentifier")
check(t, bytes.Equal(opt[dhcp4.OptionDHCPMessageType], []byte{byte(dhcp4.NAK)}), "dhcp4.NAK")
}
// Leases database store/load