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fw-addr-lists: get branch from calculated checksum

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The addresses were spread very uneven before.

Let's calculate a checksum, and take the first two characters of that.
The addresses are now spread evenly on 256 branches (0x00 to 0xff).
This commit is contained in:
Christian Hesse 2025-03-08 10:09:51 +01:00
parent d71ea804b0
commit f0e6cbcfe1
1 changed files with 8 additions and 3 deletions
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11
fw-addr-lists.rsc
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@ -37,6 +37,11 @@
}
}
:local GetBranch do={
:global EitherOr;
:return [ :pick [ :convert transform=md5 to=hex [ :pick $1 0 [ $EitherOr [ :find $1 "/" ] [ :len $1 ] ] ] ] 0 2 ];
}
:if ([ $ScriptLock $ScriptName ] = false) do={
:set ExitOK true;
:error false;
@ -100,7 +105,7 @@
:set Address ([ :pick $Line 0 [ $FindDelim $Line ] ] . ($List->"cidr"));
}
:do {
:local Branch [ :pick $Address 0 2 ];
:local Branch [ $GetBranch $Address ];
:if ($Address ~ "^[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}(/[0-9]{1,2})?\$") do={
:if ($Address ~ "/32\$") do={
:set Address [ :pick $Address 0 ([ :len $Address ] - 3) ];
@ -127,7 +132,7 @@
:foreach Entry in=[ /ip/firewall/address-list/find where \
list=$FwListName comment=$ListComment ] do={
:local Address [ /ip/firewall/address-list/get $Entry address ];
:local Branch [ :pick $Address 0 2 ];
:local Branch [ $GetBranch $Address ];
:local TimeOut ($IPv4Addresses->$Branch->$Address);
:if ([ :typeof $TimeOut ] = "time") do={
$LogPrintVerbose debug $ScriptName ("Renewing IPv4 address in list '" . $FwListName . \
@ -148,7 +153,7 @@
:foreach Entry in=[ /ipv6/firewall/address-list/find where \
list=$FwListName comment=$ListComment ] do={
:local Address [ /ipv6/firewall/address-list/get $Entry address ];
:local Branch [ :pick $Address 0 2 ];
:local Branch [ $GetBranch $Address ];
:local TimeOut ($IPv6Addresses->$Branch->$Address);
:if ([ :typeof $TimeOut ] = "time") do={
$LogPrintVerbose debug $ScriptName ("Renewing IPv6 address in list '" . $FwListName . \