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#!rsc
# RouterOS script: ipv6-update
# Copyright (c) 2013-2019 Christian Hesse <mail@eworm.de>
#
# update firewall and dns settings on IPv6 prefix change
:local PdPrefix $"pd-prefix";
:global ParseKeyValueStore;
:if ([ :typeof $PdPrefix ] = "nothing") do={
:log error "This script is supposed to run from ipv6 dhcp-client.";
:error "Error: See log for details.";
}
:local Pool [ / ipv6 pool get [ find where prefix=$PdPrefix ] name ];
:local AddrList [ / ipv6 firewall address-list find where comment=("ipv6-pool-" . $Pool) ];
:local OldPrefix [ / ipv6 firewall address-list get $AddrList address ];
# give the interfaces a moment to receive their addresses
:delay 2s;
if ($OldPrefix != $PdPrefix) do={
:log info ("Updating IPv6 address list with new IPv6 prefix " . $PdPrefix);
/ ipv6 firewall address-list set address=$PdPrefix $AddrList;
:foreach Record in=[ / ip dns static find where comment~("^ipv6-pool-" . $Pool . ",") ] do={
:local Comment [ $ParseKeyValueStore [ / ip dns static get $Record comment ] ];
:local Prefix [ / ipv6 address get [ find where interface=($Comment->"interface") from-pool=$Pool global ] address ];
:set Prefix [ :pick $Prefix 0 [ :find $Prefix "::/64" ] ];
:if ($Prefix~"^[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:") do={ } else={
:set Prefix ($Prefix . ":");
}
:local Name [ / ip dns static get $Record name ];
:if ([ :len $Name ] = 0) do={
:set Name [ / ip dns static get $Record regex ];
}
:log info ("Updating DNS record for " . $Name . " to " . $Prefix . ":" . ($Comment->"suffix"));
/ ip dns static set address=($Prefix . ":" . ($Comment->"suffix")) $Record;
}
}
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