Using Fetch and Scripting to add IP Address Lists

Note: This only works with files under 4096 characters in size due to the variable size limit in v3 hopefully they will re-introduce the LUA system in v4 shortly so we can make this work with any size list.

If not I will be investigating an alternate solution for breaking files up into readable chunks.

Regards, Andrew Cox

The Code

   ## Generic IP address list input
   ## Based on a script written by Sam Norris, 2008
   ## Edited by Andrew Cox, 2008
   :if ( [/file get [/file find name=ipaddress.txt] size] > 0 ) do={
   # Remove exisiting addresses from the current Address list
   /ip firewall address-list remove [/ip firewall address-list find list=MY-IP-LIST]
   :global content [/file get [/file find name=ipaddress.txt] contents] ;
   :global contentLen [ :len $content ] ;
   :global lineEnd 0;
   :global line "";
   :global lastEnd 0;
   :do {
         :set lineEnd [:find $content "\n" $lastEnd ] ;
         :set line [:pick $content $lastEnd $lineEnd] ;
         :set lastEnd ( $lineEnd + 1 ) ;
         #If the line doesn't start with a hash then process and add to the list
         :if ( [:pick $line 0 1] != "#" ) do={
        :local entry [:pick $line 0 ($lineEnd -1) ]
        :if ( [:len $entry ] > 0 ) do={
           /ip firewall address-list add list=MY-IP-LIST address=$entry
   } while ($lineEnd < $contentLen)

How to use

This will grab IP entries for a simple list in the format

   #This is a comment
   #Blah blah blah

Just substitute the address-list and filename you want to pull from (for anyone else who wants to use it with their own generated lists)

You can use this hand-in-hand with a fetch script to retrive the list from a remote site then process it.

Code for fetching

   /tool fetch address=server.somewhere.tld host=server.somewhere.tld mode=http src-path=folder/anotherfolder/ipaddress.txt
   :delay 10
   #Replace with whatever name you have called the processing script
   /system script run add-ip-addresses


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