gdhcp: Send DHCPNAK when receiving a REQUEST before a DISCOVER

diff --git a/gdhcp/server.c b/gdhcp/server.c
index 7322e6e..e6f6d91 100644 (file)
--- a/gdhcp/server.c
+++ b/gdhcp/server.c
@@ -685,7 +685,8 @@ static gboolean listener_event(GIOChannel *channel, GIOCondition condition,
                        send_offer(dhcp_server, &packet, lease, requested_nip);
                break;
                case DHCPREQUEST:
-                       debug(dhcp_server, "Received REQUEST");
+                       debug(dhcp_server, "Received REQUEST NIP %d",
+                                                       requested_nip);
                        if (requested_nip == 0) {
                                requested_nip = packet.ciaddr;
                                if (requested_nip == 0)
@@ -693,13 +694,16 @@ static gboolean listener_event(GIOChannel *channel, GIOCondition condition,
                        }
 
                        if (lease && requested_nip == lease->lease_nip) {
+                               debug(dhcp_server, "Sending ACK");
                                send_ACK(dhcp_server, &packet,
                                                lease->lease_nip);
                                break;
                        }
 
-                       if (server_id_option)
+                       if (server_id_option || lease == NULL) {
+                               debug(dhcp_server, "Sending NAK");
                                send_NAK(dhcp_server, &packet);
+                       }
 
                break;
                case DHCPDECLINE: