diff --git a/interface-definitions/dhcp-server.xml.in b/interface-definitions/dhcp-server.xml.in
index 948f19048..0fa06c534 100644
--- a/interface-definitions/dhcp-server.xml.in
+++ b/interface-definitions/dhcp-server.xml.in
@@ -1,454 +1,455 @@
<?xml version="1.0"?>
<!-- DHCP server configuration -->
<interfaceDefinition>
<node name="service">
<children>
<node name="dhcp-server" owner="${vyos_conf_scripts_dir}/dhcp_server.py">
<properties>
<help>Dynamic Host Configuration Protocol (DHCP) for DHCP server</help>
<priority>911</priority>
</properties>
<children>
#include <include/generic-disable-node.xml.i>
<leafNode name="dynamic-dns-update">
<properties>
<help>Dynamically update Domain Name System (RFC4702)</help>
<valueless/>
</properties>
</leafNode>
<node name="failover">
<properties>
<help>DHCP failover configuration</help>
</properties>
<children>
#include <include/source-address-ipv4.xml.i>
<leafNode name="remote">
<properties>
<help>IPv4 remote address used for connectio</help>
<valueHelp>
<format>ipv4</format>
<description>IPv4 address of failover peer</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
</constraint>
</properties>
</leafNode>
<leafNode name="name">
<properties>
<help>Peer name used to identify connection</help>
<constraint>
<regex>[-_a-zA-Z0-9.]+</regex>
</constraint>
<constraintErrorMessage>Invalid failover peer name. May only contain letters, numbers and .-_</constraintErrorMessage>
</properties>
</leafNode>
<leafNode name="status">
<properties>
<help>Failover hierarchy</help>
<completionHelp>
<list>primary secondary</list>
</completionHelp>
<valueHelp>
<format>primary</format>
<description>Configure this server to be the primary node</description>
</valueHelp>
<valueHelp>
<format>secondary</format>
<description>Configure this server to be the secondary node</description>
</valueHelp>
<constraint>
<regex>(primary|secondary)</regex>
</constraint>
<constraintErrorMessage>Invalid DHCP failover peer status</constraintErrorMessage>
</properties>
</leafNode>
#include <include/pki/ca-certificate.xml.i>
#include <include/pki/certificate.xml.i>
</children>
</node>
<leafNode name="hostfile-update">
<properties>
<help>Updating /etc/hosts file (per client lease)</help>
<valueless/>
</properties>
</leafNode>
#include <include/listen-address-ipv4.xml.i>
<tagNode name="shared-network-name">
<properties>
<help>Name of DHCP shared network</help>
<constraint>
<regex>[-_a-zA-Z0-9.]+</regex>
</constraint>
<constraintErrorMessage>Invalid shared network name. May only contain letters, numbers and .-_</constraintErrorMessage>
</properties>
<children>
<leafNode name="authoritative">
<properties>
<help>Option to make DHCP server authoritative for this physical network</help>
<valueless/>
</properties>
</leafNode>
#include <include/dhcp/domain-name.xml.i>
#include <include/dhcp/domain-search.xml.i>
#include <include/dhcp/ntp-server.xml.i>
#include <include/generic-description.xml.i>
#include <include/generic-disable-node.xml.i>
#include <include/name-server-ipv4.xml.i>
<tagNode name="subnet">
<properties>
<help>DHCP subnet for shared network</help>
<valueHelp>
<format>ipv4net</format>
<description>IPv4 address and prefix length</description>
</valueHelp>
<constraint>
<validator name="ipv4-prefix"/>
</constraint>
<constraintErrorMessage>Invalid IPv4 subnet definition</constraintErrorMessage>
</properties>
<children>
<leafNode name="bootfile-name">
<properties>
<help>Bootstrap file name</help>
<constraint>
<regex>[[:ascii:]]{1,253}</regex>
</constraint>
</properties>
</leafNode>
<leafNode name="bootfile-server">
<properties>
<help>Server from which the initial boot file is to be loaded</help>
<valueHelp>
<format>ipv4</format>
<description>Bootfile server IPv4 address</description>
</valueHelp>
<valueHelp>
<format>hostname</format>
<description>Bootfile server FQDN</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
<validator name="fqdn"/>
</constraint>
</properties>
</leafNode>
<leafNode name="bootfile-size">
<properties>
<help>Bootstrap file size</help>
<valueHelp>
<format>u32:1-16</format>
<description>Bootstrap file size in 512 byte blocks</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-16"/>
</constraint>
</properties>
</leafNode>
+ #include <include/dhcp/captive-portal.xml.i>
<leafNode name="client-prefix-length">
<properties>
<help>Specifies the clients subnet mask as per RFC 950. If unset, subnet declaration is used.</help>
<valueHelp>
<format>u32:0-32</format>
<description>DHCP client prefix length must be 0 to 32</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 0-32"/>
</constraint>
<constraintErrorMessage>DHCP client prefix length must be 0 to 32</constraintErrorMessage>
</properties>
</leafNode>
<leafNode name="default-router">
<properties>
<help>IP address of default router</help>
<valueHelp>
<format>ipv4</format>
<description>Default router IPv4 address</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
</constraint>
</properties>
</leafNode>
#include <include/dhcp/domain-name.xml.i>
#include <include/dhcp/domain-search.xml.i>
#include <include/generic-description.xml.i>
#include <include/name-server-ipv4.xml.i>
<leafNode name="exclude">
<properties>
<help>IP address to exclude from DHCP lease range</help>
<valueHelp>
<format>ipv4</format>
<description>IPv4 address to exclude from lease range</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
</constraint>
<multi/>
</properties>
</leafNode>
<leafNode name="ip-forwarding">
<properties>
<help>Enable IP forwarding on client</help>
<valueless/>
</properties>
</leafNode>
<leafNode name="lease">
<properties>
<help>Lease timeout in seconds</help>
<valueHelp>
<format>u32</format>
<description>DHCP lease time in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 0-4294967295"/>
</constraint>
<constraintErrorMessage>DHCP lease time must be between 0 and 4294967295 (49 days)</constraintErrorMessage>
</properties>
<defaultValue>86400</defaultValue>
</leafNode>
#include <include/dhcp/ntp-server.xml.i>
<leafNode name="pop-server">
<properties>
<help>IP address of POP3 server</help>
<valueHelp>
<format>ipv4</format>
<description>POP3 server IPv4 address</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
</constraint>
<multi/>
</properties>
</leafNode>
<leafNode name="server-identifier">
<properties>
<help>Address for DHCP server identifier</help>
<valueHelp>
<format>ipv4</format>
<description>DHCP server identifier IPv4 address</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
</constraint>
</properties>
</leafNode>
<leafNode name="smtp-server">
<properties>
<help>IP address of SMTP server</help>
<valueHelp>
<format>ipv4</format>
<description>SMTP server IPv4 address</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
</constraint>
<multi/>
</properties>
</leafNode>
<tagNode name="range">
<properties>
<help>DHCP lease range</help>
<constraint>
<regex>[-_a-zA-Z0-9.]+</regex>
</constraint>
<constraintErrorMessage>Invalid range name, may only be alphanumeric, dot and hyphen</constraintErrorMessage>
</properties>
<children>
<leafNode name="start">
<properties>
<help>First IP address for DHCP lease range</help>
<valueHelp>
<format>ipv4</format>
<description>IPv4 start address of pool</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
</constraint>
</properties>
</leafNode>
<leafNode name="stop">
<properties>
<help>Last IP address for DHCP lease range</help>
<valueHelp>
<format>ipv4</format>
<description>IPv4 end address of pool</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
</constraint>
</properties>
</leafNode>
</children>
</tagNode>
<tagNode name="static-mapping">
<properties>
<help>Name of static mapping</help>
<constraint>
<regex>[-_a-zA-Z0-9.]+</regex>
</constraint>
<constraintErrorMessage>Invalid static mapping name, may only be alphanumeric, dot and hyphen</constraintErrorMessage>
</properties>
<children>
#include <include/generic-disable-node.xml.i>
<leafNode name="ip-address">
<properties>
<help>Fixed IP address of static mapping</help>
<valueHelp>
<format>ipv4</format>
<description>IPv4 address used in static mapping</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
</constraint>
</properties>
</leafNode>
<leafNode name="mac-address">
<properties>
<help>Media Access Control (MAC) address</help>
<valueHelp>
<format>macaddr</format>
<description>Hardware (MAC) address</description>
</valueHelp>
<constraint>
<validator name="mac-address"/>
</constraint>
</properties>
</leafNode>
</children>
</tagNode>
<tagNode name="static-route">
<properties>
<help>Classless static route destination subnet</help>
<valueHelp>
<format>ipv4net</format>
<description>IPv4 address and prefix length</description>
</valueHelp>
<constraint>
<validator name="ipv4-prefix"/>
</constraint>
</properties>
<children>
<leafNode name="next-hop">
<properties>
<help>IP address of router to be used to reach the destination subnet</help>
<valueHelp>
<format>ipv4</format>
<description>IPv4 address of router</description>
</valueHelp>
<constraint>
<validator name="ip-address"/>
</constraint>
</properties>
</leafNode>
</children>
</tagNode >
<leafNode name="ipv6-only-preferred">
<properties>
<help>Disable IPv4 on IPv6 only hosts (RFC 8925)</help>
<valueHelp>
<format>u32</format>
<description>Seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 0-4294967295"/>
</constraint>
<constraintErrorMessage>Seconds must be between 0 and 4294967295 (49 days)</constraintErrorMessage>
</properties>
</leafNode>
<leafNode name="tftp-server-name">
<properties>
<help>TFTP server name</help>
<valueHelp>
<format>ipv4</format>
<description>TFTP server IPv4 address</description>
</valueHelp>
<valueHelp>
<format>hostname</format>
<description>TFTP server FQDN</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
<validator name="fqdn"/>
</constraint>
</properties>
</leafNode>
<leafNode name="time-offset">
<properties>
<help>Client subnet offset in seconds from Coordinated Universal Time (UTC)</help>
<valueHelp>
<format>[-]N</format>
<description>Time offset (number, may be negative)</description>
</valueHelp>
<constraint>
<regex>-?[0-9]+</regex>
</constraint>
<constraintErrorMessage>Invalid time offset value</constraintErrorMessage>
</properties>
</leafNode>
<leafNode name="time-server">
<properties>
<help>IP address of time server</help>
<valueHelp>
<format>ipv4</format>
<description>Time server IPv4 address</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
</constraint>
<multi/>
</properties>
</leafNode>
<node name="vendor-option">
<properties>
<help>Vendor Specific Options</help>
</properties>
<children>
<node name="ubiquiti">
<properties>
<help>Ubiquiti specific parameters</help>
</properties>
<children>
<leafNode name="unifi-controller">
<properties>
<help>Address of UniFi controller</help>
<valueHelp>
<format>ipv4</format>
<description>IP address of UniFi controller</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
</constraint>
</properties>
</leafNode>
</children>
</node>
</children>
</node>
<leafNode name="wins-server">
<properties>
<help>IP address for Windows Internet Name Service (WINS) server</help>
<valueHelp>
<format>ipv4</format>
<description>WINS server IPv4 address</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
</constraint>
<multi/>
</properties>
</leafNode>
<leafNode name="wpad-url">
<properties>
<help>Web Proxy Autodiscovery (WPAD) URL</help>
</properties>
</leafNode>
</children>
</tagNode>
</children>
</tagNode>
</children>
</node>
</children>
</node>
</interfaceDefinition>
diff --git a/interface-definitions/dhcpv6-server.xml.in b/interface-definitions/dhcpv6-server.xml.in
index 16d0f9b01..b37f79434 100644
--- a/interface-definitions/dhcpv6-server.xml.in
+++ b/interface-definitions/dhcpv6-server.xml.in
@@ -1,385 +1,386 @@
<?xml version="1.0"?>
<interfaceDefinition>
<node name="service">
<children>
<node name="dhcpv6-server" owner="${vyos_conf_scripts_dir}/dhcpv6_server.py">
<properties>
<help>DHCP for IPv6 (DHCPv6) server</help>
<priority>900</priority>
</properties>
<children>
#include <include/generic-disable-node.xml.i>
<node name="global-parameters">
<properties>
<help>Additional global parameters for DHCPv6 server</help>
</properties>
<children>
#include <include/name-server-ipv6.xml.i>
</children>
</node>
<leafNode name="preference">
<properties>
<help>Preference of this DHCPv6 server compared with others</help>
<valueHelp>
<format>u32:0-255</format>
<description>DHCPv6 server preference (0-255)</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 0-255"/>
</constraint>
<constraintErrorMessage>Preference must be between 0 and 255</constraintErrorMessage>
</properties>
</leafNode>
<tagNode name="shared-network-name">
<properties>
<help>DHCPv6 shared network name</help>
<constraint>
<regex>[-_a-zA-Z0-9.]+</regex>
</constraint>
<constraintErrorMessage>Invalid DHCPv6 shared network name. May only contain letters, numbers and .-_</constraintErrorMessage>
</properties>
<children>
#include <include/generic-disable-node.xml.i>
#include <include/generic-description.xml.i>
<leafNode name="interface">
<properties>
<help>Optional interface for this shared network to accept requests from</help>
<completionHelp>
<script>${vyos_completion_dir}/list_interfaces</script>
</completionHelp>
<valueHelp>
<format>txt</format>
<description>Interface name</description>
</valueHelp>
<constraint>
#include <include/constraint/interface-name.xml.i>
</constraint>
</properties>
</leafNode>
<node name="common-options">
<properties>
<help>Common options to distribute to all clients, including stateless clients</help>
</properties>
<children>
<leafNode name="info-refresh-time">
<properties>
<help>Time (in seconds) that stateless clients should wait between refreshing the information they were given</help>
<valueHelp>
<format>u32:1-4294967295</format>
<description>DHCPv6 information refresh time</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-4294967295"/>
</constraint>
</properties>
</leafNode>
#include <include/dhcp/domain-search.xml.i>
#include <include/name-server-ipv6.xml.i>
</children>
</node>
<tagNode name="subnet">
<properties>
<help>IPv6 DHCP subnet for this shared network</help>
<valueHelp>
<format>ipv6net</format>
<description>IPv6 address and prefix length</description>
</valueHelp>
<constraint>
<validator name="ipv6-prefix"/>
</constraint>
</properties>
<children>
<node name="address-range">
<properties>
<help>Parameters setting ranges for assigning IPv6 addresses</help>
</properties>
<children>
<leafNode name="prefix">
<properties>
<help>IPv6 prefix defining range of addresses to assign</help>
<valueHelp>
<format>ipv6net</format>
<description>IPv6 address and prefix length</description>
</valueHelp>
<constraint>
<validator name="ipv6-prefix"/>
</constraint>
<multi/>
</properties>
</leafNode>
<tagNode name="start">
<properties>
<help>First in range of consecutive IPv6 addresses to assign</help>
<valueHelp>
<format>ipv6</format>
<description>IPv6 address</description>
</valueHelp>
<constraint>
<validator name="ipv6-address"/>
</constraint>
</properties>
<children>
<leafNode name="stop">
<properties>
<help>Last in range of consecutive IPv6 addresses</help>
<valueHelp>
<format>ipv6</format>
<description>IPv6 address</description>
</valueHelp>
<constraint>
<validator name="ipv6-address"/>
</constraint>
</properties>
</leafNode>
</children>
</tagNode>
</children>
</node>
+ #include <include/dhcp/captive-portal.xml.i>
#include <include/dhcp/domain-search.xml.i>
<node name="lease-time">
<properties>
<help>Parameters relating to the lease time</help>
</properties>
<children>
<leafNode name="default">
<properties>
<help>Default time (in seconds) that will be assigned to a lease</help>
<valueHelp>
<format>u32:1-4294967295</format>
<description>DHCPv6 valid lifetime</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-4294967295"/>
</constraint>
</properties>
</leafNode>
<leafNode name="maximum">
<properties>
<help>Maximum time (in seconds) that will be assigned to a lease</help>
<valueHelp>
<format>u32:1-4294967295</format>
<description>Maximum lease time in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-4294967295"/>
</constraint>
</properties>
</leafNode>
<leafNode name="minimum">
<properties>
<help>Minimum time (in seconds) that will be assigned to a lease</help>
<valueHelp>
<format>u32:1-4294967295</format>
<description>Minimum lease time in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-4294967295"/>
</constraint>
</properties>
</leafNode>
</children>
</node>
#include <include/name-server-ipv6.xml.i>
<leafNode name="nis-domain">
<properties>
<help>NIS domain name for client to use</help>
<constraint>
<regex>[-_a-zA-Z0-9.]+</regex>
</constraint>
<constraintErrorMessage>Invalid NIS domain name</constraintErrorMessage>
</properties>
</leafNode>
<leafNode name="nis-server">
<properties>
<help>IPv6 address of a NIS Server</help>
<valueHelp>
<format>ipv6</format>
<description>IPv6 address of NIS server</description>
</valueHelp>
<constraint>
<validator name="ipv6-address"/>
</constraint>
<multi/>
</properties>
</leafNode>
<leafNode name="nisplus-domain">
<properties>
<help>NIS+ domain name for client to use</help>
<constraint>
<regex>[-_a-zA-Z0-9.]+</regex>
</constraint>
<constraintErrorMessage>Invalid NIS+ domain name. May only contain letters, numbers and .-_</constraintErrorMessage>
</properties>
</leafNode>
<leafNode name="nisplus-server">
<properties>
<help>IPv6 address of a NIS+ Server</help>
<valueHelp>
<format>ipv6</format>
<description>IPv6 address of NIS+ server</description>
</valueHelp>
<constraint>
<validator name="ipv6-address"/>
</constraint>
<multi/>
</properties>
</leafNode>
<node name="prefix-delegation">
<properties>
<help>Parameters relating to IPv6 prefix delegation</help>
</properties>
<children>
<tagNode name="prefix">
<properties>
<help>IPv6 prefix to be used in prefix delegation</help>
<valueHelp>
<format>ipv6</format>
<description>IPv6 prefix used in prefix delegation</description>
</valueHelp>
<constraint>
<validator name="ipv6-address"/>
</constraint>
</properties>
<children>
<leafNode name="prefix-length">
<properties>
<help>Length in bits of prefix</help>
<valueHelp>
<format>u32:32-64</format>
<description>Prefix length (32-64)</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 32-64"/>
</constraint>
<constraintErrorMessage>Prefix length must be between 32 and 64</constraintErrorMessage>
</properties>
</leafNode>
<leafNode name="delegated-length">
<properties>
<help>Length in bits of prefixes to be delegated</help>
<valueHelp>
<format>u32:32-64</format>
<description>Delegated prefix length (32-64)</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 32-96"/>
</constraint>
<constraintErrorMessage>Delegated prefix length must be between 32 and 96</constraintErrorMessage>
</properties>
</leafNode>
</children>
</tagNode>
</children>
</node>
<leafNode name="sip-server">
<properties>
<help>IPv6 address of SIP server</help>
<valueHelp>
<format>ipv6</format>
<description>IPv6 address of SIP server</description>
</valueHelp>
<valueHelp>
<format>hostname</format>
<description>FQDN of SIP server</description>
</valueHelp>
<constraint>
<validator name="ipv6-address"/>
<validator name="fqdn"/>
</constraint>
<multi/>
</properties>
</leafNode>
<leafNode name="sntp-server">
<properties>
<help>IPv6 address of an SNTP server for client to use</help>
<constraint>
<validator name="ipv6-address"/>
</constraint>
<multi/>
</properties>
</leafNode>
<tagNode name="static-mapping">
<properties>
<help>Name of static mapping</help>
<constraint>
<regex>[-_a-zA-Z0-9.]+</regex>
</constraint>
<constraintErrorMessage>Invalid static mapping name. May only contain letters, numbers and .-_</constraintErrorMessage>
</properties>
<children>
#include <include/generic-disable-node.xml.i>
<leafNode name="identifier">
<properties>
<help>Client identifier (DUID) for this static mapping</help>
<valueHelp>
<format>h[[:h]...]</format>
<description>DUID: colon-separated hex list (as used by isc-dhcp option dhcpv6.client-id)</description>
</valueHelp>
<constraint>
<regex>([0-9A-Fa-f]{1,2}[:])*([0-9A-Fa-f]{1,2})</regex>
</constraint>
<constraintErrorMessage>Invalid DUID, must be in the format h[[:h]...]</constraintErrorMessage>
</properties>
</leafNode>
<leafNode name="ipv6-address">
<properties>
<help>Client IPv6 address for this static mapping</help>
<valueHelp>
<format>ipv6</format>
<description>IPv6 address for this static mapping</description>
</valueHelp>
<constraint>
<validator name="ipv6-address"/>
</constraint>
</properties>
</leafNode>
<leafNode name="ipv6-prefix">
<properties>
<help>Client IPv6 prefix for this static mapping</help>
<valueHelp>
<format>ipv6net</format>
<description>IPv6 prefix for this static mapping</description>
</valueHelp>
<constraint>
<validator name="ipv6-prefix"/>
</constraint>
</properties>
</leafNode>
</children>
</tagNode>
<node name="vendor-option">
<properties>
<help>Vendor Specific Options</help>
</properties>
<children>
<node name="cisco">
<properties>
<help>Cisco specific parameters</help>
</properties>
<children>
<leafNode name="tftp-server">
<properties>
<help>TFTP server name</help>
<valueHelp>
<format>ipv6</format>
<description>TFTP server IPv6 address</description>
</valueHelp>
<constraint>
<validator name="ipv6-address"/>
</constraint>
<multi/>
</properties>
</leafNode>
</children>
</node>
</children>
</node>
</children>
</tagNode>
</children>
</tagNode>
</children>
</node>
</children>
</node>
</interfaceDefinition>
diff --git a/interface-definitions/include/dhcp/captive-portal.xml.i b/interface-definitions/include/dhcp/captive-portal.xml.i
new file mode 100644
index 000000000..643f055a8
--- /dev/null
+++ b/interface-definitions/include/dhcp/captive-portal.xml.i
@@ -0,0 +1,11 @@
+<!-- include start from dhcp/captive-portal.xml.i -->
+<leafNode name="captive-portal">
+ <properties>
+ <help>Captive portal API endpoint</help>
+ <valueHelp>
+ <format>txt</format>
+ <description>Captive portal API endpoint</description>
+ </valueHelp>
+ </properties>
+</leafNode>
+<!-- include end -->
diff --git a/python/vyos/kea.py b/python/vyos/kea.py
index 0ee6871e7..fa2948233 100644
--- a/python/vyos/kea.py
+++ b/python/vyos/kea.py
@@ -1,310 +1,312 @@
# Copyright 2023 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
import json
import os
import socket
from datetime import datetime
from vyos.template import is_ipv6
from vyos.template import isc_static_route
from vyos.template import netmask_from_cidr
from vyos.utils.dict import dict_search_args
from vyos.utils.file import read_file
kea4_options = {
'name_server': 'domain-name-servers',
'domain_name': 'domain-name',
'domain_search': 'domain-search',
'ntp_server': 'ntp-servers',
'pop_server': 'pop-server',
'smtp_server': 'smtp-server',
'time_server': 'time-servers',
'wins_server': 'netbios-name-servers',
'default_router': 'routers',
'server_identifier': 'dhcp-server-identifier',
'tftp_server_name': 'tftp-server-name',
'bootfile_size': 'boot-size',
'time_offset': 'time-offset',
'wpad_url': 'wpad-url',
- 'ipv6_only_preferred': 'v6-only-preferred'
+ 'ipv6_only_preferred': 'v6-only-preferred',
+ 'captive_portal': 'v4-captive-portal'
}
kea6_options = {
'info_refresh_time': 'information-refresh-time',
'name_server': 'dns-servers',
'domain_search': 'domain-search',
'nis_domain': 'nis-domain-name',
'nis_server': 'nis-servers',
'nisplus_domain': 'nisp-domain-name',
'nisplus_server': 'nisp-servers',
- 'sntp_server': 'sntp-servers'
+ 'sntp_server': 'sntp-servers',
+ 'captive_portal': 'v6-captive-portal'
}
def kea_parse_options(config):
options = []
for node, option_name in kea4_options.items():
if node not in config:
continue
value = ", ".join(config[node]) if isinstance(config[node], list) else config[node]
options.append({'name': option_name, 'data': value})
if 'client_prefix_length' in config:
options.append({'name': 'subnet-mask', 'data': netmask_from_cidr('0.0.0.0/' + config['client_prefix_length'])})
if 'ip_forwarding' in config:
options.append({'name': 'ip-forwarding', 'data': "true"})
if 'static_route' in config:
default_route = ''
if 'default_router' in config:
default_route = isc_static_route('0.0.0.0/0', config['default_router'])
routes = [isc_static_route(route, route_options['next_hop']) for route, route_options in config['static_route'].items()]
options.append({'name': 'rfc3442-static-route', 'data': ", ".join(routes if not default_route else routes + [default_route])})
options.append({'name': 'windows-static-route', 'data': ", ".join(routes)})
return options
def kea_parse_subnet(subnet, config):
out = {'subnet': subnet}
options = kea_parse_options(config)
if 'bootfile_name' in config:
out['boot-file-name'] = config['bootfile_name']
if 'bootfile_server' in config:
out['next-server'] = config['bootfile_server']
if 'lease' in config:
out['valid-lifetime'] = int(config['lease'])
out['max-valid-lifetime'] = int(config['lease'])
if 'range' in config:
pools = []
for num, range_config in config['range'].items():
start, stop = range_config['start'], range_config['stop']
pools.append({'pool': f'{start} - {stop}'})
out['pools'] = pools
if 'static_mapping' in config:
reservations = []
for host, host_config in config['static_mapping'].items():
if 'disable' in host_config:
continue
reservations.append({
'hw-address': host_config['mac_address'],
'ip-address': host_config['ip_address']
})
out['reservations'] = reservations
unifi_controller = dict_search_args(config, 'vendor_option', 'ubiquiti', 'unifi_controller')
if unifi_controller:
options.append({
'name': 'unifi-controller',
'data': unifi_controller,
'space': 'ubnt'
})
if options:
out['option-data'] = options
return out
def kea6_parse_options(config):
options = []
if 'common_options' in config:
common_opt = config['common_options']
for node, option_name in kea6_options.items():
if node not in common_opt:
continue
value = ", ".join(common_opt[node]) if isinstance(common_opt[node], list) else common_opt[node]
options.append({'name': option_name, 'data': value})
for node, option_name in kea6_options.items():
if node not in config:
continue
value = ", ".join(config[node]) if isinstance(config[node], list) else config[node]
options.append({'name': option_name, 'data': value})
if 'sip_server' in config:
sip_servers = config['sip_server']
addrs = []
hosts = []
for server in sip_servers:
if is_ipv6(server):
addrs.append(server)
else:
hosts.append(server)
if addrs:
options.append({'name': 'sip-server-addr', 'data': ", ".join(addrs)})
if hosts:
options.append({'name': 'sip-server-dns', 'data': ", ".join(hosts)})
cisco_tftp = dict_search_args(config, 'vendor_option', 'cisco', 'tftp-server')
if cisco_tftp:
options.append({'name': 'tftp-servers', 'code': 2, 'space': 'cisco', 'data': cisco_tftp})
return options
def kea6_parse_subnet(subnet, config):
out = {'subnet': subnet}
options = kea6_parse_options(config)
if 'address_range' in config:
addr_range = config['address_range']
pools = []
if 'prefix' in addr_range:
for prefix in addr_range['prefix']:
pools.append({'pool': prefix})
if 'start' in addr_range:
for start, range_conf in addr_range['start'].items():
stop = range_conf['stop']
pools.append({'pool': f'{start} - {stop}'})
out['pools'] = pools
if 'prefix_delegation' in config:
pd_pools = []
if 'prefix' in config['prefix_delegation']:
for prefix, pd_conf in config['prefix_delegation']['prefix'].items():
pd_pools.append({
'prefix': prefix,
'prefix-len': int(pd_conf['prefix_length']),
'delegated-len': int(pd_conf['delegated_length'])
})
out['pd-pools'] = pd_pools
if 'lease_time' in config:
if 'default' in config['lease_time']:
out['valid-lifetime'] = int(config['lease_time']['default'])
if 'maximum' in config['lease_time']:
out['max-valid-lifetime'] = int(config['lease_time']['maximum'])
if 'minimum' in config['lease_time']:
out['min-valid-lifetime'] = int(config['lease_time']['minimum'])
if 'static_mapping' in config:
reservations = []
for host, host_config in config['static_mapping'].items():
if 'disable' in host_config:
continue
reservation = {}
if 'identifier' in host_config:
reservation['duid'] = host_config['identifier']
if 'ipv6_address' in host_config:
reservation['ip-addresses'] = [ host_config['ipv6_address'] ]
if 'ipv6_prefix' in host_config:
reservation['prefixes'] = [ host_config['ipv6_prefix'] ]
reservations.append(reservation)
out['reservations'] = reservations
if options:
out['option-data'] = options
return out
def kea_parse_leases(lease_path):
contents = read_file(lease_path)
lines = contents.split("\n")
output = []
if len(lines) < 2:
return output
headers = lines[0].split(",")
for line in lines[1:]:
line_out = dict(zip(headers, line.split(",")))
lifetime = int(line_out['valid_lifetime'])
expiry = int(line_out['expire'])
line_out['start_timestamp'] = datetime.utcfromtimestamp(expiry - lifetime)
line_out['expire_timestamp'] = datetime.utcfromtimestamp(expiry) if expiry else None
output.append(line_out)
return output
def _ctrl_socket_command(path, command, args=None):
if not os.path.exists(path):
return None
with socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) as sock:
sock.connect(path)
payload = {'command': command}
if args:
payload['arguments'] = args
sock.send(bytes(json.dumps(payload), 'utf-8'))
result = b''
while True:
data = sock.recv(4096)
result += data
if len(data) < 4096:
break
return json.loads(result.decode('utf-8'))
def kea_get_active_config(inet):
ctrl_socket = f'/run/kea/dhcp{inet}-ctrl-socket'
config = _ctrl_socket_command(ctrl_socket, 'config-get')
if not config or 'result' not in config or config['result'] != 0:
return None
return config
def kea_get_pool_from_subnet_id(config, inet, subnet_id):
shared_networks = dict_search_args(config, 'arguments', f'Dhcp{inet}', 'shared-networks')
if not shared_networks:
return None
for network in shared_networks:
if f'subnet{inet}' not in network:
continue
for subnet in network[f'subnet{inet}']:
if 'id' in subnet and int(subnet['id']) == int(subnet_id):
return network['name']
return None