#!/usr/bin/perl -w

#----------------------------------------------------------------------
# copyright (C) 1999-2005 Mitel Networks Corporation
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 		
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 		
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
# 
# Technical support for this program is available from Mitel Networks 
# Please visit our web site www.mitel.com/sme/ for details.
#----------------------------------------------------------------------

use strict;
use Errno;
use File::Find;
use esmith::ConfigDB;

my $cdb = esmith::ConfigDB->open_ro;

my $rsyslog = $cdb->get('rsyslog') or die "No rsyslog db entry found";
my $length = $rsyslog->prop('PurgeLength') || '95';

$ENV{'PATH'} = "/bin";

#----------------------------------------------------------------------
# Find all files in /var/log/ that are:
#    - real files
#    - older than rsyslog{PurgeLength}, or 95 days if unset
#    - matches our log naming scheme
# and eliminate them.
#----------------------------------------------------------------------


chdir "/var/log/"
    or die "Could not chdir to /var/log";

sub process
{
    #------------------------------------------------------------------
    # Files older than $length days, matching our naming scheme.
    #------------------------------------------------------------------
    if ( -f and (int(-M) > $length) and /^[A-Za-z_].*\.\d{14}$/ )
    {
	unlink("$_")
	    or die "Could not purge log $File::Find::name: $!\n";
    }

    #------------------------------------------------------------------
    # Files which are symlinks matching the naming scheme.
    # They may have been left behind from older versions of the
    # logrotate event.
    #------------------------------------------------------------------
    if ( -l and /^[A-Za-z_].*\.\d{14}$/ )
    {
	unlink("$_")
	    or die "Could not purge log $File::Find::name: $!\n";
    }
}

find(\&process, glob('.'));

exit 0;