92 lines
3.1 KiB
Plaintext
92 lines
3.1 KiB
Plaintext
#!rsc by RouterOS
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# RouterOS script: daily-psk.local
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# Copyright (c) 2013-2024 Christian Hesse <mail@eworm.de>
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# Michael Gisbers <michael@gisbers.de>
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# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
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#
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# requires RouterOS, version=7.12
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#
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# update daily PSK (pre shared key)
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# https://git.eworm.de/cgit/routeros-scripts/about/doc/daily-psk.md
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#
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# !! Do not edit this file, it is generated from template!
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:global GlobalFunctionsReady;
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:while ($GlobalFunctionsReady != true) do={ :delay 500ms; }
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:do {
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:local ScriptName [ :jobname ];
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:global DailyPskMatchComment;
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:global DailyPskQrCodeUrl;
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:global Identity;
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:global FormatLine;
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:global LogPrint;
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:global ScriptLock;
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:global SendNotification2;
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:global SymbolForNotification;
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:global UrlEncode;
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:global WaitForFile;
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:global WaitFullyConnected;
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:if ([ $ScriptLock $ScriptName ] = false) do={
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:error false;
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}
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$WaitFullyConnected;
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# return pseudo-random string for PSK
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:local GeneratePSK do={
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:local Date [ :tostr $1 ];
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:global DailyPskSecrets;
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:global ParseDate;
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:set Date [ $ParseDate $Date ];
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:local A ((14 - ($Date->"month")) / 12);
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:local B (($Date->"year") - $A);
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:local C (($Date->"month") + 12 * $A - 2);
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:local WeekDay (7000 + ($Date->"day") + $B + ($B / 4) - ($B / 100) + ($B / 400) + ((31 * $C) / 12));
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:set WeekDay ($WeekDay - (($WeekDay / 7) * 7));
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:return (($DailyPskSecrets->0->(($Date->"day") - 1)) . \
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($DailyPskSecrets->1->(($Date->"month") - 1)) . \
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($DailyPskSecrets->2->$WeekDay));
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}
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:local Seen ({});
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:local Date [ /system/clock/get date ];
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:local NewPsk [ $GeneratePSK $Date ];
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:foreach AccList in=[ /interface/wireless/access-list/find where comment~$DailyPskMatchComment ] do={
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:local IntName [ /interface/wireless/access-list/get $AccList interface ];
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:local Ssid [ /interface/wireless/get $IntName ssid ];
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:local OldPsk [ /interface/wireless/access-list/get $AccList private-pre-shared-key ];
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:local Skip 0;
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:if ($NewPsk != $OldPsk) do={
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$LogPrint info $ScriptName ("Updating daily PSK for " . $Ssid . " to " . $NewPsk . " (was " . $OldPsk . ")");
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/interface/wireless/access-list/set $AccList private-pre-shared-key=$NewPsk;
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:if ([ :len [ /interface/wireless/find where name=$IntName !disabled ] ] = 1) do={
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:if ($Seen->$Ssid = 1) do={
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$LogPrint debug $ScriptName ("Already sent a mail for SSID " . $Ssid . ", skipping.");
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} else={
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:local Link ($DailyPskQrCodeUrl . \
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"?scale=8&level=1&ssid=" . [ $UrlEncode $Ssid ] . "&pass=" . [ $UrlEncode $NewPsk ]);
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$SendNotification2 ({ origin=$ScriptName; \
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subject=([ $SymbolForNotification "calendar" ] . "daily PSK " . $Ssid); \
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message=("This is the daily PSK on " . $Identity . ":\n\n" . \
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[ $FormatLine "SSID" $Ssid ] . "\n" . \
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[ $FormatLine "PSK" $NewPsk ] . "\n" . \
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[ $FormatLine "Date" $Date ] . "\n\n" . \
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"A client device specific rule must not exist!"); link=$Link });
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:set ($Seen->$Ssid) 1;
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}
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}
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}
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}
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} on-error={ }
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