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Old 10-30-2009
AutoZone Update
Just to keep you in the loop, there is an update in the AutoZone docket, a note rescheduling oral argument on AutoZone's motion to dismiss in part SCO's claims for damages. It will now be held on December 7 at 10 AM. Except of course that it probably won't, since the parties -- SCO's Chapter 11 Trustee Edward Cahn for SCO and AutoZone -- have stipulated to a resolution of the litigation in toto. But until that is approved by the bankruptcy court and then filed and entered in the AutoZone litigation, the litigation has to continue to tread water, so to speak, until it's official. The agreement is a conditional one, and should the condition of confidentiality be violated, then the litigation goes forward too. So, this is like a bookmark, saying that it will be scheduled for the 7th, but likely it will get postponed again or never happen at all.
AutoZone's filing was so powerful, it inspired a settlement. Future victims of SCO's SCOsource Silliness -- and that is obviously the hope, to ramp it up again someday if all the stars align just right -- might wish to take notes on how they did it. Although we can't read the confidential settlement, we can see what inspired it, and that alone is helpful.

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LEARN ABOUT MOJAVE

net::dns::update5.18

Net::DNS::Update(3)					User Contributed Perl Documentation				       Net::DNS::Update(3)

NAME

       Net::DNS::Update - Create a DNS update packet

SYNOPSIS

	   use Net::DNS;

	   $update = new Net::DNS::Update( 'example.com', 'IN' );

	   $update->push( prereq => nxrrset('foo.example.com. A') );
	   $update->push( update => rr_add('foo.example.com. 86400 A 192.168.1.2') );

DESCRIPTION

       Net::DNS::Update is a subclass of Net::DNS::Packet, to be used for making DNS dynamic updates.

       Programmers should refer to RFC2136 for dynamic update semantics.

       WARNING:  This code is still under development.	  Please use with caution on production nameservers.

METHODS

   new
	   $update = new Net::DNS::Update;
	   $update = new Net::DNS::Update( 'example.com' );
	   $update = new Net::DNS::Update( 'example.com', 'HS' );

       Returns a Net::DNS::Update object suitable for performing a DNS dynamic update.	    Specifically, it creates a packet with the header
       opcode set to UPDATE and the zone record type to SOA (per RFC 2136, Section 2.3).

       Programs must use the push() method to add RRs to the prerequisite, update, and additional sections before performing the update.

       Arguments are the zone name and the class.  If the zone is omitted, the default domain will be taken from the resolver configuration.  If
       the class is omitted, it defaults to IN.

EXAMPLES

       The first example below shows a complete program; subsequent examples show only the creation of the update packet .

   Add a new host
	   #!/usr/bin/perl

	   use Net::DNS;

	   # Create the update packet.
	   my $update = new Net::DNS::Update('example.com');

	   # Prerequisite is that no A records exist for the name.
	   $update->push( pre => nxrrset('foo.example.com. A') );

	   # Add two A records for the name.
	   $update->push( update => rr_add('foo.example.com. 86400 A 192.168.1.2') );
	   $update->push( update => rr_add('foo.example.com. 86400 A 172.16.3.4') );

	   # Send the update to the zone's primary master.
	   my $resolver = new Net::DNS::Resolver;
	   $resolver->nameservers('primary-master.example.com');

	   my $reply = $resolver->send($update);

	   # Did it work?
	   if ($reply) {
		   if ( $reply->header->rcode eq 'NOERROR' ) {
			   print "Update succeeded
";
		   } else {
			   print 'Update failed: ', $reply->header->rcode, "
";
		   }
	   } else {
		   print 'Update failed: ', $resolver->errorstring, "
";
	   }

   Add an MX record for a name that already exists
	   my $update = new Net::DNS::Update('example.com');
	   $update->push( prereq => yxdomain('example.com') );
	   $update->push( update => rr_add('example.com MX 10 mailhost.example.com') );

   Add a TXT record for a name that doesn't exist
	   my $update = new Net::DNS::Update('example.com');
	   $update->push( prereq => nxdomain('info.example.com') );
	   $update->push( update => rr_add('info.example.com TXT "yabba dabba doo"') );

   Delete all A records for a name
	   my $update = new Net::DNS::Update('example.com');
	   $update->push( prereq => yxrrset('foo.example.com A') );
	   $update->push( update => rr_del('foo.example.com A') );

   Delete all RRs for a name
	   my $update = new Net::DNS::Update('example.com');
	   $update->push( prereq => yxdomain('byebye.example.com') );
	   $update->push( update => rr_del('byebye.example.com') );

   Perform a DNS update signed using a BIND key file
	   my $update = new Net::DNS::Update('example.com');
	   $update->push( update => rr_add('foo.example.com A 10.1.2.3') );
	   $update->push( update => rr_add('bar.example.com A 10.4.5.6') );
	   $update->sign_tsig( "$dir/Khmac-sha512.example.com.+165+01018.private" );

       The corresponding public key file may also be used:

	   $update->sign_tsig( "$dir/Khmac-sha512.example.com.+165+01018.key" );

   Another way to perform a signed update
	   my $key_name = 'tsig-key';
	   my $key	= 'awwLOtRfpGE+rRKF2+DEiw==';

	   my $update = new Net::DNS::Update('example.com');
	   $update->push( update => rr_add('foo.example.com A 10.1.2.3') );
	   $update->push( update => rr_add('bar.example.com A 10.4.5.6') );
	   $update->sign_tsig( $key_name, $key );

   Perform a signed update with a customized TSIG record
	   my $key_name = 'tsig-key';
	   my $key	= 'awwLOtRfpGE+rRKF2+DEiw==';

	   my $tsig = new Net::DNS::RR("$key_name TSIG $key");
	   $tsig->fudge(60);

	   my $update = new Net::DNS::Update('example.com');
	   $update->push( update     => rr_add('foo.example.com A 10.1.2.3') );
	   $update->push( update     => rr_add('bar.example.com A 10.4.5.6') );
	   $update->push( additional => $tsig );

BUGS

       This code is still under development.  Please use with caution on production nameservers.

COPYRIGHT

       Copyright (c) 1997-2002 Michael Fuhr.

       Portions Copyright (c) 2002-2004 Chris Reinhardt.

       All rights reserved.  This program is free software; you may redistribute it and/or modify it under the same terms as Perl itself.

SEE ALSO

       perl, Net::DNS, Net::DNS::Packet, Net::DNS::Header, Net::DNS::RR, Net::DNS::Resolver, RFC 2136, RFC 2845

perl v5.18.2							    2014-01-16						       Net::DNS::Update(3)