Services: Kea DHCP: Kea DHCPv6 - add advanced options [pd-]allocator, closes #8677

Author: AdSchellevis

src/opnsense/mvc/app/controllers/OPNsense/Kea/forms/dialogSubnet6.xml

@@ -11,6 +11,20 @@
         <type>dropdown</type>
         <help>Select which interface this subnet belongs too.</help>
     </field>
+    <field>
+        <id>subnet6.allocator</id>
+        <label>Allocator</label>
+        <type>dropdown</type>
+        <advanced>true</advanced>
+        <help>Select allocator method to use when offering leases to clients.</help>
+    </field>
+    <field>
+        <id>subnet6.pd-allocator</id>
+        <label>PD Allocator</label>
+        <type>dropdown</type>
+        <advanced>true</advanced>
+        <help>Select allocator method to use when offering prefix delegations to clients</help>
+    </field>
     <field>
         <id>subnet6.description</id>
         <label>Description</label>

src/opnsense/mvc/app/models/OPNsense/Kea/KeaDhcpv6.php

@@ -133,6 +133,12 @@ private function getConfigSubnets()
             if (isset($cfg->interfaces->$if) && !empty($cfg->interfaces->$if->if)) {
                 $record['interface'] = (string)$cfg->interfaces->$if->if;
             }
+            if (!$subnet->{'pd-allocator'}->isEmpty()) {
+                $record['pd-allocator'] = (string)$subnet->{'pd-allocator'};
+            }
+            if (!$subnet->allocator->isEmpty()) {
+                $record['allocator'] = (string)$subnet->allocator;
+            }
             /* standard option-data elements */
             foreach ($subnet->option_data->iterateItems() as $key => $value) {
                 $target_fieldname = str_replace('_', '-', $key);

src/opnsense/mvc/app/models/OPNsense/Kea/KeaDhcpv6.xml

@@ -43,6 +43,21 @@
                     <AddressFamily>ipv6</AddressFamily>
                     <Required>Y</Required>
                 </subnet>
+                <allocator type="OptionField">
+                    <BlankDesc>Default</BlankDesc>
+                    <OptionValues>
+                        <iterative>iterative</iterative>
+                        <random>random</random>
+                    </OptionValues>
+                </allocator>
+                <pd-allocator type="OptionField">
+                    <BlankDesc>Default</BlankDesc>
+                    <OptionValues>
+                        <iterative>iterative</iterative>
+                        <random>random</random>
+                        <flq>Free Lease Queue Allocator</flq>
+                    </OptionValues>
+                </pd-allocator>
                 <option_data>
                     <dns_servers type="NetworkField">
                         <NetMaskAllowed>N</NetMaskAllowed>