
use strict;
##########################################################################
# $Id: onlyhost 173 2013-11-01 15:11:09Z opoplawski $
##########################################################################

########################################################
## Copyright (c) 2008 Kirk Bauer
## Covered under the included MIT/X-Consortium License:
##    http://www.opensource.org/licenses/mit-license.php
## All modifications and contributions by other persons to
## this script are assumed to have been donated to the
## Logwatch project and thus assume the above copyright
## and licensing terms.  If you want to make contributions
## under your own copyright or a different license this
## must be explicitly stated in the contribution an the
## Logwatch project reserves the right to not accept such
## contributions.  If you have made significant
## contributions to this script and want to claim
## copyright please contact logwatch-devel@lists.sourceforge.net.
#########################################################

# This feature concieved by mark@winksmith.com
my $hostname = $ENV{'LOGWATCH_ONLY_HOSTNAME'};

#Clean hostname it could be a comma list from hostlimit
#The weakness of this next line is it could match foo.domain.com and foo.sub.domain.com
#And it will strip IP's like 10.0.0.1 will become 10 which is not good. -mgt
#$hostname =~ s/\.[\w\_\-]+//g;

#It could be a list so reformat that
if ($hostname =~ m/,/) {
   $hostname =~ s/,/|/g;
   $hostname = "($hostname)";
}

if (($ENV{'LOGWATCH_DEBUG'} > 5) and $hostname) {
   print STDERR "DEBUG: Inside OnlyHostname for $hostname\n";
}

#If called from a service config file it passes the param as an ARG
if (length($ARGV[0])) {      #put in or override the host id
        $hostname = $ARGV[0];
}

my $line;
while (defined($line = <STDIN>)) {
   if ($hostname) {
      if ($line =~ m/^... .. ..:..:.. $hostname\s/io) {
         print $line;
      }
   } else {
      print $line;
   }
}

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