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global-functions: introduce $NetMask6

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Christian Hesse 2025-10-16 10:30:20 +02:00
parent def540c965
commit 434bf82ddf
1 changed files with 29 additions and 0 deletions
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29
global-functions.rsc
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@ -62,6 +62,7 @@
:global MIN;
:global MkDir;
:global NetMask4;
:global NetMask6;
:global NotificationFunctions;
:global ParseDate;
:global ParseKeyValueStore;
@ -998,6 +999,34 @@
:return ((255.255.255.255 << (32 - $CIDR)) & 255.255.255.255);
}
# return an IPv6 netmask for CIDR
:set NetMask6 do={
:local FuncName $0;
:local CIDR [ :tostr $1 ];
:global NetMask6Cache;
:global GetRandom20CharAlNum;
:if ([ :typeof $NetMask6Cache ] = "array") do={
:return ($NetMask6Cache->$CIDR);
}
:set NetMask6Cache { "128"=(~::) };
:local GenList ($FuncName . "-" . [ $GetRandom20CharAlNum ]);
:for I from=0 to=127 do={
/ipv6/firewall/address-list/add dynamic=yes timeout=1m list=$GenList address=((~::) . "/" . $I) comment=$I;
}
:foreach FwAddrList in=[ /ipv6/firewall/address-list/find where list=$GenList ] do={
:local Address [ /ipv6/firewall/address-list/get $FwAddrList ];
:set ($NetMask6Cache->($Address->"comment")) \
[ :toip6 [ :pick ($Address->"address") 0 [ :find ($Address->"address") "/" ] ] ];
}
:return ($NetMask6Cache->$CIDR);
}
# prepare NotificationFunctions array
:if ([ :typeof $NotificationFunctions ] != "array") do={
:set NotificationFunctions ({});