From a832fd04ef085ef7e85000843a8e8fa59ce36dfb Mon Sep 17 00:00:00 2001 From: Christian Hesse Date: Tue, 7 Mar 2023 10:57:42 +0100 Subject: rename scripts and add file extension ".rsc" No functional change for the user... The migration is done automatically. --- dhcp-to-dns | 96 +------------------------------------------------------------ 1 file changed, 1 insertion(+), 95 deletions(-) (limited to 'dhcp-to-dns') diff --git a/dhcp-to-dns b/dhcp-to-dns index 48f96b2..2da00ca 100644 --- a/dhcp-to-dns +++ b/dhcp-to-dns @@ -1,97 +1,3 @@ #!rsc by RouterOS -# RouterOS script: dhcp-to-dns -# Copyright (c) 2013-2023 Christian Hesse -# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md # -# provides: lease-script, order=20 -# -# check DHCP leases and add/remove/update DNS entries -# https://git.eworm.de/cgit/routeros-scripts/about/doc/dhcp-to-dns.md - -:local 0 "dhcp-to-dns"; -:global GlobalFunctionsReady; -:while ($GlobalFunctionsReady != true) do={ :delay 500ms; } - -:global Domain; -:global HostNameInZone; -:global Identity; -:global PrefixInZone; -:global ServerNameInZone; - -:global CharacterReplace; -:global IfThenElse; -:global LogPrintExit2; -:global ScriptLock; - -$ScriptLock $0 false 10; - -:local Zone \ - ([ $IfThenElse ($PrefixInZone = true) "dhcp." ] . \ - [ $IfThenElse ($HostNameInZone = true) ($Identity . ".") ] . $Domain); -:local Ttl 5m; -:local CommentPrefix ("managed by " . $0 . " for "); -:local CommentString ("--- " . $0 . " above ---"); - -:if ([ :len [ /ip/dns/static/find where comment=$CommentString name=- type=NXDOMAIN disabled ] ] = 0) do={ - /ip/dns/static/add comment=$CommentString name=- type=NXDOMAIN disabled=yes; - $LogPrintExit2 warning $0 ("Added disabled static dns record with comment '" . $CommentString . "'.") false; -} -:local PlaceBefore ([ /ip/dns/static/find where comment=$CommentString name=- type=NXDOMAIN disabled ]->0); - -:foreach DnsRecord in=[ /ip/dns/static/find where comment ~ $CommentPrefix ] do={ - :local DnsRecordVal [ /ip/dns/static/get $DnsRecord ]; - :local MacAddress [ $CharacterReplace ($DnsRecordVal->"comment") $CommentPrefix "" ]; - :if ([ :len [ /ip/dhcp-server/lease/find where mac-address=$MacAddress address=($DnsRecordVal->"address") status=bound ] ] > 0) do={ - $LogPrintExit2 debug $0 ("Lease for " . $MacAddress . " (" . $DnsRecordVal->"name" . ") still exists. Not deleting DNS entry.") false; - } else={ - :local Found false; - $LogPrintExit2 info $0 ("Lease expired for " . $MacAddress . " (" . $DnsRecordVal->"name" . "), deleting DNS entry.") false; - /ip/dns/static/remove $DnsRecord; - } -} - -:foreach Lease in=[ /ip/dhcp-server/lease/find where status=bound ] do={ - :local LeaseVal; - :do { - :set LeaseVal [ /ip/dhcp-server/lease/get $Lease ]; - } on-error={ - $LogPrintExit2 debug $0 ("A lease just vanished, ignoring.") false; - } - - :if ([ :len ($LeaseVal->"address") ] > 0) do={ - :local Comment ($CommentPrefix . $LeaseVal->"mac-address"); - :local HostName [ $IfThenElse ([ :len ($LeaseVal->"host-name") ] = 0) \ - [ $CharacterReplace ($LeaseVal->"mac-address") ":" "-" ] \ - [ $CharacterReplace ($LeaseVal->"host-name") " " "" ] ]; - - :local Fqdn ($HostName . "." . [ $IfThenElse ($ServerNameInZone = true) ($LeaseVal->"server" . ".") ] . $Zone); - :local DnsRecord [ /ip/dns/static/find where name=$Fqdn ]; - :if ([ :len $DnsRecord ] > 0) do={ - :local DnsIp [ /ip/dns/static/get $DnsRecord address ]; - - :local DupMacLeases [ /ip/dhcp-server/lease/find where mac-address=($LeaseVal->"mac-address") status=bound ]; - :if ([ :len $DupMacLeases ] > 1) do={ - :set ($LeaseVal->"address") [ /ip/dhcp-server/lease/get ($DupMacLeases->([ :len $DupMacLeases ] - 1)) address ]; - } - - :if ([ :len ($LeaseVal->"host-name") ] > 0) do={ - :local HostNameLeases [ /ip/dhcp-server/lease/find where host-name=($LeaseVal->"host-name") status=bound ]; - :if ([ :len $HostNameLeases ] > 1) do={ - :set ($LeaseVal->"address") [ /ip/dhcp-server/lease/get ($HostNameLeases->0) address ]; - } - } - - :if ($DnsIp = $LeaseVal->"address") do={ - $LogPrintExit2 debug $0 ("DNS entry for " . $Fqdn . " does not need updating.") false; - } else={ - $LogPrintExit2 info $0 ("Replacing DNS entry for " . $Fqdn . ", new address is " . $LeaseVal->"address" . ".") false; - /ip/dns/static/set name=$Fqdn address=($LeaseVal->"address") ttl=$Ttl comment=$Comment $DnsRecord; - } - } else={ - $LogPrintExit2 info $0 ("Adding new DNS entry for " . $Fqdn . ", address is " . $LeaseVal->"address" . ".") false; - /ip/dns/static/add name=$Fqdn address=($LeaseVal->"address") ttl=$Ttl comment=$Comment place-before=$PlaceBefore; - } - } else={ - $LogPrintExit2 debug $0 ("No address available... Ignoring.") false; - } -} +# dummy for migration -- cgit v1.2.3-54-g00ecf