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+# RouterOS script: collect-wireless-mac%TEMPL%
+# Copyright (c) 2013-2018 Christian Hesse <mail@eworm.de>
+#
+# collect wireless mac adresses in access list
+#
+# !! This is just a template! Replace '%PATH%' with 'caps-man'
+# !! or 'interface wireless'!
+
+:global "identity";
+:global "email-general-to";
+:global "email-general-cc";
+
+:local "place-before" [ / %PATH% access-list find where comment="--- collected above ---" disabled ];
+:if ([ :len $"place-before" ] = 0) do={
+ :error "Missing disabled access-list entry with comment '--- collected above ---'";
+}
+
+:foreach regtbl in=[ / %PATH% registration-table find ] do={
+ :local mac [ / %PATH% registration-table get $regtbl mac-address ];
+ :local acclst [ :pick [ / %PATH% access-list find where mac-address=$mac ] 0 ];
+ :if ( [ :len $acclst ] = 0 ) do={
+ :local hostname "no dhcp lease";
+ :local address "no dhcp lease";
+ :local lease [ / ip dhcp-server lease find where mac-address=$mac ];
+ :if ( [ :len $lease ] > 0 ) do={
+ :set hostname [ / ip dhcp-server lease get $lease host-name ];
+ :set address [ / ip dhcp-server lease get $lease address ];
+ }
+ :if ( [ :len $hostname ] = 0 ) do={
+ :set hostname "no hostname";
+ }
+ :if ( [ :len $address ] = 0 ) do={
+ :set address "no address";
+ }
+ :local regentry [ / %PATH% registration-table find where mac-address=$mac ];
+ :local interface [ / %PATH% registration-table get $regentry interface ];
+ :local ssid [ / caps-man registration-table get $regentry ssid ];
+ :local ssid [ / interface wireless get [ find where name=$interface ] ssid ];
+ :local datetime ([ / system clock get date ] . " " . [ / system clock get time ]);
+ :local message ("unknown MAC address " . $mac . " (" . $hostname . ") first seen on " . \
+ $datetime . " connected to SSID " . $ssid . ", interface " . $interface);
+ / log info $message;
+ / %PATH% access-list add place-before=$"place-before" comment=$message mac-address=$mac disabled=yes;
+ / tool e-mail send to=$"email-general-to" cc=$"email-general-cc" \
+ subject=("[" . $identity . "] " . $mac . " connected to " . $ssid) \
+ body=("A device with unknown MAC address connected to " . $ssid . " on " . $identity . ".\n\n" . \
+ "Controller: " . $identity . "\n" . \
+ "Interface: " . $interface . "\n" . \
+ "SSID: " . $ssid . "\n" . \
+ "MAC: " . $mac . "\n" . \
+ "Hostname: " . $hostname . "\n" . \
+ "Address: " . $address . "\n" . \
+ "Date: " . $datetime);
+ } else={
+ :local comment [ / %PATH% access-list get $acclst comment ];
+ :log debug ("MAC address " . $mac . " already known: " . $comment);
+ }
+}