mirror of
https://github.com/eworm-de/routeros-scripts
synced 2024-05-14 08:04:19 +00:00
104 lines
3.8 KiB
Text
104 lines
3.8 KiB
Text
#!rsc by RouterOS
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# RouterOS script: daily-psk%TEMPL%
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# Copyright (c) 2013-2023 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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# 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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# !! This is just a template! Replace '%PATH%' with 'caps-man'
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# !! or 'interface wireless'!
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:local 0 "daily-psk%TEMPL%";
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:global GlobalFunctionsReady;
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:while ($GlobalFunctionsReady != true) do={ :delay 500ms; }
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:global DailyPskMatchComment;
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:global DailyPskQrCodeUrl;
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:global Identity;
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:global FormatLine;
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:global LogPrintExit2;
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:global SendNotification2;
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:global SymbolForNotification;
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:global UrlEncode;
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:global WaitForFile;
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:global WaitFullyConnected;
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$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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:local Months { "jan"; "feb"; "mar"; "apr"; "may"; "jun";
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"jul"; "aug"; "sep"; "oct"; "nov"; "dec" };
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:local Month [ :pick $Date 0 3 ];
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:local Day [ :tonum [ :pick $Date 4 6 ] ];
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:local Year [ :pick $Date 7 11 ];
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:for MIndex from=0 to=[ :len $Months ] do={
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:if ($Months->$MIndex = $Month) do={
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:set Month ($MIndex + 1);
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}
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}
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:local A ((14 - $Month) / 12);
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:local B ($Year - $A);
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:local C ($Month + 12 * $A - 2);
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:local WeekDay (7000 + $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->($Day - 1)) . \
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($DailyPskSecrets->1->($Month - 1)) . \
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($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 $Date ];
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:foreach AccList in=[ /%PATH%/access-list/find where comment~$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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# /interface/wireless above - /caps-man below
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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 $0 ("Updating daily PSK for " . $Ssid . " to " . $NewPsk . " (was " . $OldPsk . ")") false;
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/interface/wireless/access-list/set $AccList private-pre-shared-key=$NewPsk;
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/caps-man/access-list/set $AccList private-passphrase=$NewPsk;
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:if ([ :len [ /interface/wireless/find where name=$IntName !disabled ] ] = 1) do={
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:if ([ :len [ /caps-man/actual-interface-configuration/find where configuration.ssid=$Ssid !disabled ] ] > 0) do={
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:foreach SeenSsid in=$Seen do={
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:if ($SeenSsid = $Ssid) do={
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$LogPrintExit2 debug $0 ("Already sent a mail for SSID " . $Ssid . ", skipping.") false;
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:set Skip 1;
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}
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}
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:if ($Skip = 0) do={
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:set Seen ($Seen, $Ssid);
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:local Link ($DailyPskQrCodeUrl . \
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"?scale=8&level=1&ssid=" . [ $UrlEncode $Ssid ] . "&pass=" . [ $UrlEncode $NewPsk ]);
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$SendNotification2 ({ origin=$0; \
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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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}
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}
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}
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}
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