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https://github.com/eworm-de/routeros-scripts
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Copyright (C) 2013-2020 Christian Hesse <mail@eworm.de> This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. https://www.gnu.org/licenses/#GPL https://www.gnu.org/licenses/gpl.html https://www.gnu.org/licenses/gpl.md
100 lines
3.2 KiB
Text
100 lines
3.2 KiB
Text
#!rsc
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# RouterOS script: daily-psk.capsman
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# Copyright (c) 2013-2020 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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# !! Do not edit this file, it is generated from template!
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:global DailyPskMatchComment;
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:global Identity;
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:global LogPrintExit;
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:global SendNotification;
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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 [ :toarray "" ];
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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 Ssid [ / caps-man access-list get $AccList ssid-regexp ];
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:local Configuration [ / caps-man configuration get ([ find where ssid=$Ssid ]->0) name ];
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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 != $OldPsk) do={
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$LogPrintExit info ("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 ([ / caps-man interface print count-only where configuration=$Configuration ] > 0) do={
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:foreach SeenSsid in=$Seen do={
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:if ($SeenSsid = $Ssid) do={
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$LogPrintExit debug ("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 Url ("https://www.eworm.de/cgi-bin/cqrlogo-wifi.cgi" . \
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"?scale=8&level=1&ssid=" . [ $UrlEncode $Ssid ] . "&pass=" . [ $UrlEncode $NewPsk ]);
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:local Attach "qrcode-daily.png";
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:do {
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/ tool fetch check-certificate=yes-without-crl \
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$Url dst-path=$Attach;
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$WaitForFile $Attach;
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} on-error={
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:set Attach "";
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}
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$SendNotification ("daily PSK " . $Ssid) \
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("This is the daily PSK on " . $Identity . ":\n\n" . \
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"SSID: " . $Ssid . "\n" . \
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"PSK: " . $NewPsk . "\n" . \
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"Date: " . $Date . "\n\n" . \
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"A client device specific rule must not exist!\n\n" . \
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$Url) $Attach;
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}
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}
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}
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}
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