From 29ececda9b9bbb16392b778bd8ff012ed88427ca Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Sun, 11 Jul 2021 22:21:47 +0200
Subject: collect-wireless-mac: check for existence of mac address

Chance are that $RegVal is an array with just an id - no idea why this
happens. So do not check for array but existence of mac address.
---
 collect-wireless-mac.capsman | 74 +++++++++++++++++++++++---------------------
 1 file changed, 39 insertions(+), 35 deletions(-)

(limited to 'collect-wireless-mac.capsman')

diff --git a/collect-wireless-mac.capsman b/collect-wireless-mac.capsman
index cddc5fa..5f6d750 100644
--- a/collect-wireless-mac.capsman
+++ b/collect-wireless-mac.capsman
@@ -39,43 +39,47 @@ $ScriptLock $0 false 10;
     $LogPrintExit2 debug $0 ("Device already gone... Ignoring.") false;
   }
 
-  :local AccessList ([ / caps-man access-list find where mac-address=($RegVal->"mac-address") ]->0);
-  :if ([ :len $AccessList ] > 0) do={
-    $LogPrintExit2 debug $0 ("MAC address " . $RegVal->"mac-address" . " already known: " . \
-      [ / caps-man access-list get $AccessList comment ]) false;
-  }
+  :if ([ :len ($RegVal->"mac-address") ] > 0) do={
+    :local AccessList ([ / caps-man access-list find where mac-address=($RegVal->"mac-address") ]->0);
+    :if ([ :len $AccessList ] > 0) do={
+      $LogPrintExit2 debug $0 ("MAC address " . $RegVal->"mac-address" . " already known: " . \
+        [ / caps-man access-list get $AccessList comment ]) false;
+    }
 
-  :if ([ :typeof $RegVal ] = "array" && [ :len $AccessList ] = 0) do={
-    :local Address "no dhcp lease";
-    :local DnsName "no dhcp lease";
-    :local HostName "no dhcp lease";
-    :local Lease ([ / ip dhcp-server lease find where mac-address=($RegVal->"mac-address") dynamic=yes status=bound ]->0);
-    :if ([ :len $Lease ] > 0) do={
-      :set Address [ / ip dhcp-server lease get $Lease address ];
-      :set HostName [ $EitherOr [ / ip dhcp-server lease get $Lease host-name ] "no hostname" ];
-      :set DnsName "no dns name";
-      :local DnsRec ([ / ip dns static find where address=$Address ]->0);
-      :if ([ :len $DnsRec ] > 0) do={
-        :set DnsName [ / ip dns static get $DnsRec name ];
+    :if ([ :len $AccessList ] = 0) do={
+      :local Address "no dhcp lease";
+      :local DnsName "no dhcp lease";
+      :local HostName "no dhcp lease";
+      :local Lease ([ / ip dhcp-server lease find where mac-address=($RegVal->"mac-address") dynamic=yes status=bound ]->0);
+      :if ([ :len $Lease ] > 0) do={
+        :set Address [ / ip dhcp-server lease get $Lease address ];
+        :set HostName [ $EitherOr [ / ip dhcp-server lease get $Lease host-name ] "no hostname" ];
+        :set DnsName "no dns name";
+        :local DnsRec ([ / ip dns static find where address=$Address ]->0);
+        :if ([ :len $DnsRec ] > 0) do={
+          :set DnsName [ / ip dns static get $DnsRec name ];
+        }
       }
+      :local DateTime ([ / system clock get date ] . " " . [ / system clock get time ]);
+      :local Vendor [ $GetMacVendor ($RegVal->"mac-address") ];
+      :local Message ("MAC address " . $RegVal->"mac-address" . " (" . $Vendor . ", " . $HostName . ") " . \
+        "first seen on " . $DateTime . " connected to SSID " . $RegVal->"ssid" . ", interface " . $RegVal->"interface");
+      $LogPrintExit2 info $0 $Message false;
+      / caps-man access-list add place-before=$PlaceBefore comment=$Message mac-address=($RegVal->"mac-address") disabled=yes;
+      $SendNotification2 ({ origin=$0; \
+        subject=([ $SymbolForNotification "mobile-phone" ] . $RegVal->"mac-address" . " connected to " . $RegVal->"ssid"); \
+        message=("A device with unknown MAC address connected to " . $RegVal->"ssid" . " on " . $Identity . ".\n\n" . \
+          "Controller: " . $Identity . "\n" . \
+          "Interface:  " . $RegVal->"interface" . "\n" . \
+          "SSID:       " . $RegVal->"ssid" . "\n" . \
+          "MAC:        " . $RegVal->"mac-address" . "\n" . \
+          "Vendor:     " . $Vendor . "\n" . \
+          "Hostname:   " . $HostName . "\n" . \
+          "Address:    " . $Address . "\n" . \
+          "DNS name:   " . $DnsName . "\n" . \
+          "Date:       " . $DateTime) });
     }
-    :local DateTime ([ / system clock get date ] . " " . [ / system clock get time ]);
-    :local Vendor [ $GetMacVendor ($RegVal->"mac-address") ];
-    :local Message ("MAC address " . $RegVal->"mac-address" . " (" . $Vendor . ", " . $HostName . ") " . \
-      "first seen on " . $DateTime . " connected to SSID " . $RegVal->"ssid" . ", interface " . $RegVal->"interface");
-    $LogPrintExit2 info $0 $Message false;
-    / caps-man access-list add place-before=$PlaceBefore comment=$Message mac-address=($RegVal->"mac-address") disabled=yes;
-    $SendNotification2 ({ origin=$0; \
-      subject=([ $SymbolForNotification "mobile-phone" ] . $RegVal->"mac-address" . " connected to " . $RegVal->"ssid"); \
-      message=("A device with unknown MAC address connected to " . $RegVal->"ssid" . " on " . $Identity . ".\n\n" . \
-        "Controller: " . $Identity . "\n" . \
-        "Interface:  " . $RegVal->"interface" . "\n" . \
-        "SSID:       " . $RegVal->"ssid" . "\n" . \
-        "MAC:        " . $RegVal->"mac-address" . "\n" . \
-        "Vendor:     " . $Vendor . "\n" . \
-        "Hostname:   " . $HostName . "\n" . \
-        "Address:    " . $Address . "\n" . \
-        "DNS name:   " . $DnsName . "\n" . \
-        "Date:       " . $DateTime) });
+  } else={
+    $LogPrintExit2 debug $0 ("No mac address available... Ignoring.") false;
   }
 }
-- 
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