added support for UniFi DHCP option 43

apache/vars-vars

@@ -2,6 +2,7 @@ DHCP_DNS_MASTER
 DHCP_DNS_SERVERS
 DHCP_TFTP_SERVER
 DHCP_ROUTERS
+DHCP_UNIFI_CONTROLLER_IP
 
 DHCP_DOMAIN
 DHCP_SITE_DOMAIN

bind/vars-vars

@@ -2,6 +2,7 @@ DHCP_DNS_MASTER
 DHCP_DNS_SERVERS
 DHCP_TFTP_SERVER
 DHCP_ROUTERS
+DHCP_UNIFI_CONTROLLER_IP
 
 DHCP_DOMAIN
 DHCP_SITE_DOMAIN

env

@@ -2,6 +2,7 @@ DHCP_DNS_MASTER=10.15.100.3
 DHCP_DNS_SERVERS=10.15.100.3
 DHCP_TFTP_SERVER=10.15.100.3
 DHCP_ROUTERS=10.15.100.2
+DHCP_UNIFI_CONTROLLER_IP=10.15.100.10
 
 DHCP_DOMAIN=example.com
 DHCP_SITE_DOMAIN=site1.example.com

isc-dhcp/config/dhcpd.conf

@@ -24,6 +24,16 @@ zone DHCP_REV_DOMAIN {
 option classless-routes code 121 = array of unsigned integer 8;
 option classless-routes-win code 249 = array of unsigned integer 8;
 
+# UniFi classes
+option space ubnt;
+option ubnt.unifi-address code 1 = ip-address;
+
+class "ubnt" {
+  match if substring (option vendor-class-identifier, 0, 4) = "ubnt";
+  option vendor-class-identifier "ubnt";
+  vendor-option-space ubnt;
+}
+
 # Leases settings
 default-lease-time 600;
 max-lease-time 7200;
@@ -51,6 +61,9 @@ subnet DHCP_SUBNET netmask DHCP_NETMASK {
   option broadcast-address DHCP_BROADCAST;
   option routers DHCP_ROUTERS;
 
+  # UniFi settings
+  option ubnt.unifi-address DHCP_UNIFI_CONTROLLER_IP;
+
   # DNS settings
   option domain-name "DHCP_SITE_DOMAIN";
   option domain-search "DHCP_SITE_DOMAIN", "DHCP_DOMAIN", "DHCP_DYN_IPS_DOMAIN";

isc-dhcp/vars-vars

@@ -2,6 +2,7 @@ DHCP_DNS_MASTER
 DHCP_DNS_SERVERS
 DHCP_TFTP_SERVER
 DHCP_ROUTERS
+DHCP_UNIFI_CONTROLLER_IP
 
 DHCP_DOMAIN
 DHCP_SITE_DOMAIN

tftpd/vars-vars

@@ -2,6 +2,7 @@ DHCP_DNS_MASTER
 DHCP_DNS_SERVERS
 DHCP_TFTP_SERVER
 DHCP_ROUTERS
+DHCP_UNIFI_CONTROLLER_IP
 
 DHCP_DOMAIN
 DHCP_SITE_DOMAIN