RE: New improved prefix list :)

28 May 2001


      Can't you do it with awk instead?

:: -----Original Message-----
:: From: owner-nznog(a)list.waikato.ac.nz 
:: [mailto:owner-nznog(a)list.waikato.ac.nz] On Behalf Of Dean Pemberton
:: Sent: Tuesday, 29 May 2001 12:39
:: To: nznog(a)list.waikato.ac.nz
:: Subject: Re: New improved prefix list :)
:: 
:: 
:: Seeings as more people are getting them, I thought it might 
:: be helpful to write this.
:: 
:: 
:: #!/usr/bin/perl
:: $cli = 0;
:: $header = 0;
:: while (<>) {
::     chomp;
::     ($crap,$crap,$name,$crap,$crap,$crap,$prefix,$le,$limit) 
:: = split (/\ /,$_);
::     if (!$header) {
::         if ($cli){
::             print "edit policy-options policy-statement $name\n";
::         }else{
::             print "policy-statement ihug-networks {\n\tterm 
:: accept {\n\t\tfrom {\n";
::         }
::         $header = 1;
::     }
::     if ($cli) {
::         print "set term accept from ";
::     }else{
::         print "\t\t\t";
::     }
::     print "route-filter $prefix ";
::     if ($le eq "le") {print "upto /$limit";}else{print "exact";}
::     if ($cli) {
::         print "\n";
::     }else{
::         print ";\n";
::     }
:: }
:: if ($cli) {
::     print"set term accept then accept\nset term reject then 
:: reject\n";
:: } else {
::     print "\t\t}\n\t\tthen accept;\n\t}\n\tterm reject 
:: {\n\t\t\tthen reject;\n\t}\n}\n";
:: }
:: 
:: 
:: output looks like this
:: 
:: edit policy-options policy-statement ihug-networks
:: set term accept from route-filter 202.36.94.0/23 upto /24
:: set term accept from route-filter 202.37.129.0/24 exact
:: set term accept from route-filter 202.37.136.0/24 exact
:: set term accept from route-filter 202.37.182.0/24 exact
:: set term accept from route-filter 202.37.194.0/24 exact
:: set term accept from route-filter 202.49.59.0/24 exact
:: set term accept from route-filter 202.49.88.0/23 upto /24
:: set term accept from route-filter 202.49.148.0/23 upto /24
:: set term accept from route-filter 202.49.176.0/23 upto /24
:: set term accept from route-filter 202.49.180.0/23 upto /24
:: set term accept from route-filter 202.49.186.0/24 exact
:: set term accept from route-filter 202.49.240.0/22 upto /24
:: set term accept from route-filter 202.49.249.0/24 exact
:: set term accept from route-filter 202.49.252.0/22 upto /24
:: set term accept from route-filter 202.50.84.0/24 exact
:: set term accept from route-filter 202.50.103.0/24 exact
:: set term accept from route-filter 202.50.255.0/24 exact
:: set term accept from route-filter 203.109.128.0/17 upto /24
:: set term accept from route-filter 203.173.128.0/17 upto /24
:: set term accept from route-filter 210.55.184.0/24 exact
:: set term accept from route-filter 210.55.203.0/24 exact
:: set term accept from route-filter 210.55.248.0/21 upto /24
:: set term accept then accept
:: set term reject then reject
:: 
:: or this 
:: 
:: policy-statement ihug-networks {
::         term accept {
::                 from {
::                         route-filter 202.36.94.0/23 upto /24;
::                         route-filter 202.37.129.0/24 exact;
::                         route-filter 202.37.136.0/24 exact;
::                         route-filter 202.37.182.0/24 exact;
::                         route-filter 202.37.194.0/24 exact;
::                         route-filter 202.49.59.0/24 exact;
::                         route-filter 202.49.88.0/23 upto /24;
::                         route-filter 202.49.148.0/23 upto /24;
::                         route-filter 202.49.176.0/23 upto /24;
::                         route-filter 202.49.180.0/23 upto /24;
::                         route-filter 202.49.186.0/24 exact;
::                         route-filter 202.49.240.0/22 upto /24;
::                         route-filter 202.49.249.0/24 exact;
::                         route-filter 202.49.252.0/22 upto /24;
::                         route-filter 202.50.84.0/24 exact;
::                         route-filter 202.50.103.0/24 exact;
::                         route-filter 202.50.255.0/24 exact;
::                         route-filter 203.109.128.0/17 upto /24;
::                         route-filter 203.173.128.0/17 upto /24;
::                         route-filter 210.55.184.0/24 exact;
::                         route-filter 210.55.203.0/24 exact;
::                         route-filter 210.55.248.0/21 upto /24;
::                 }
::                 then accept;
::         }
::         term reject {
::                         then reject;
::         }
:: }
:: 
:: depending on the value of $cli
:: 
:: Apologies for the ugly perl - just hacked it up - feel free 
:: to make it pretty and rerelease.
:: Also check the output before you apply it - It's your 
:: responsibility remember =)
:: 
:: 
:: 
:: 
:: On Tue, May 29, 2001 at 09:52:11AM +1200, David Robb wrote:
:: > Now with free steak knives! [1]
:: > 
:: > As you can see, these allow for variable masks. If anyone requires
:: > specific prefixes, let me know and I'll see what I can do. 
:: We change them
:: > from time to time, and its easier this way.
:: > 
:: > [1] Ok, I was kidding about the steak knives.
:: > 
:: > 
:: > 
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RE: New improved prefix list :)

Juha Saarinen