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			95 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			95 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
#!rsc by RouterOS
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# RouterOS script: daily-psk.capsman
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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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:local Main do={
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  :local ScriptName [ :tostr $1 ];
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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 LogPrintExit2;
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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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    :return 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 $Date ];
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  :foreach AccList in=[ /caps-man/access-list/find where comment~$DailyPskMatchComment ] do={
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    :local SsidRegExp [ /caps-man/access-list/get $AccList ssid-regexp ];
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    :local Configuration ([ /caps-man/configuration/find where ssid~$SsidRegExp ]->0);
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    :local Ssid [ /caps-man/configuration/get $Configuration ssid ];
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    :local OldPsk [ /caps-man/access-list/get $AccList private-passphrase ];
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    :local Skip 0;
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    :if ($NewPsk != $OldPsk) do={
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      $LogPrintExit2 info $ScriptName ("Updating daily PSK for " . $Ssid . " to " . $NewPsk . " (was " . $OldPsk . ")") false;
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      /caps-man/access-list/set $AccList private-passphrase=$NewPsk;
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      :if ([ :len [ /caps-man/actual-interface-configuration/find where configuration.ssid=$Ssid !disabled ] ] > 0) do={
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        :if ($Seen->$Ssid = 1) do={
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          $LogPrintExit2 debug $ScriptName ("Already sent a mail for SSID " . $Ssid . ", skipping.") false;
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        } else={
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          :local Link ($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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}
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$Main [ :jobname ];
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