#!/usr/bin/perl
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007-2025  IPFire Team  <info@ipfire.org>                     #
#                                                                             #
# 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 3 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, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

use strict;

# enable only the following on debugging purpose
#use warnings;
#use CGI::Carp 'fatalsToBrowser';

require '/var/ipfire/general-functions.pl';
require "${General::swroot}/lang.pl";
require "${General::swroot}/header.pl";

my %logsettings=();
my %checked=();
my %selected=();
my $errormessage='';

&Header::showhttpheaders();

$logsettings{'LOGVIEW_REVERSE'} = 'off';
$logsettings{'LOGVIEW_VIEWSIZE'} = '150';
$logsettings{'LOGWATCH_LEVEL'} = 'Low';
$logsettings{'LOGWATCH_KEEP'} = '56';
my @VS = ('15','50','100','150','250','500');
$logsettings{'ENABLE_REMOTELOG'} = 'off';
$logsettings{'REMOTELOG_ADDR'} = '';
$logsettings{'REMOTELOG_PROTOCOL'} = 'udp';
$logsettings{'ACTION'} = '';
&Header::getcgihash(\%logsettings);

if ($logsettings{'ACTION'} eq $Lang::tr{'save'})
{
  if ($logsettings{'ENABLE_REMOTELOG'} eq 'on')
  {
    unless ( &General::validfqdn($logsettings{'REMOTELOG_ADDR'}) ||
             &General::validip  ($logsettings{'REMOTELOG_ADDR'}))
    {
      $errormessage = $Lang::tr{'invalid logserver address'};
    }
    unless ($logsettings{'REMOTELOG_PROTOCOL'} =~ /^udp|tcp$/)
    {
      $errormessage = $Lang::tr{'invalid logserver protocol'};
    }
  }
  unless ($logsettings{'LOGWATCH_KEEP'} =~ /^\d+$/)
  {
    $errormessage = $Lang::tr{'invalid keep time'};
  }
  unless ($logsettings{'LOGWATCH_LEVEL'} =~ /^Low|Med|High$/)
  {
    $errormessage = $Lang::tr{'invalid input'};
  }
  unless ($errormessage)
  {
    &General::writehash("${General::swroot}/logging/settings", \%logsettings);
    system('/usr/local/bin/syslogdctrl') == 0
      or $errormessage = "$Lang::tr{'bad return code'} " . $?/256;
  }

}

&General::readhash("${General::swroot}/logging/settings", \%logsettings);

$checked{'ENABLE_REMOTELOG'}{'off'} = '';
$checked{'ENABLE_REMOTELOG'}{'on'} = '';
$checked{'ENABLE_REMOTELOG'}{$logsettings{'ENABLE_REMOTELOG'}} = "checked='checked'";

$selected{'REMOTELOG_PROTOCOL'}{'udp'} = '';
$selected{'REMOTELOG_PROTOCOL'}{'tcp'} == '';
$selected{'REMOTELOG_PROTOCOL'}{$logsettings{'REMOTELOG_PROTOCOL'}} = "selected='selected'";

$checked{'LOGVIEW_REVERSE'}{'off'} = '';
$checked{'LOGVIEW_REVERSE'}{'on'} = '';
$checked{'LOGVIEW_REVERSE'}{$logsettings{'LOGVIEW_REVERSE'}} = "checked='checked'";

$selected{'LOGWATCH_LEVEL'}{'Low'} = '';
$selected{'LOGWATCH_LEVEL'}{'Med'} = '';
$selected{'LOGWATCH_LEVEL'}{'High'} = '';
$selected{'LOGWATCH_LEVEL'}{$logsettings{'LOGWATCH_LEVEL'}} = "selected='selected'";

map ($selected{'LOGVIEW_VIEWSIZE'}{$_} = '', @VS);
$selected{'LOGVIEW_VIEWSIZE'}{$logsettings{'LOGVIEW_VIEWSIZE'}} = "selected='selected'";

&Header::openpage($Lang::tr{'log settings'}, 1, '');

&Header::openbigbox('100%', 'left', '', $errormessage);

if ($errormessage) {
  &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
  print "<font class='base'>$errormessage&nbsp;</font>\n";
  &Header::closebox();
}

print "<form method='post' action='$ENV{'SCRIPT_NAME'}'>\n";

&Header::openbox('100%', 'left', $Lang::tr{'log viewing options'});
print <<END
<table width='100%'>
<tr>
	<td><input type='checkbox' name='LOGVIEW_REVERSE' $checked{'LOGVIEW_REVERSE'}{'on'} /></td>
	<td class='base' width='50%'>$Lang::tr{'reverse sort'}</td>
	<td class='base' width='25%' align='right'>$Lang::tr{'log lines per page'}:&nbsp;</td>
	<td width='25%'><select name='LOGVIEW_VIEWSIZE'>
END
;
foreach my $vs (@VS) {
    print "\t<option value='$vs' $selected{'LOGVIEW_VIEWSIZE'}{$vs}>$vs</option>\n";
}
print <<END
	</select></td>
</tr>
</table>
END
;
&Header::closebox();

&Header::openbox('100%', 'left', $Lang::tr{'log summaries'});
print <<END
<table width='100%'>
<tr>
  <td class='base' width='50%'>$Lang::tr{'summaries kept'}&nbsp;
  <input type='text' name='LOGWATCH_KEEP'
  value='$logsettings{'LOGWATCH_KEEP'}' size='4' />&nbsp;$Lang::tr{'days'}</td>
  <td>$Lang::tr{'detail level'}:</td><td>
  <select name='LOGWATCH_LEVEL'>
  <option value='Low' $selected{'LOGWATCH_LEVEL'}{'Low'}>$Lang::tr{'low'}</option>
  <option value='Med' $selected{'LOGWATCH_LEVEL'}{'Med'}>$Lang::tr{'medium'}</option>
  <option value='High' $selected{'LOGWATCH_LEVEL'}{'High'}>$Lang::tr{'high'}</option>
  </select></td>
</tr>
</table>
END
;
&Header::closebox();

&Header::openbox('100%', 'left', $Lang::tr{'remote logging'});
$logsettings{'REMOTELOG_ADDR'} = &Header::escape($logsettings{'REMOTELOG_ADDR'});
print <<END
<table width='100%'>
<tr>
  <td class='base'>$Lang::tr{'enabled'}</td><td><input type='checkbox' name='ENABLE_REMOTELOG' $checked{'ENABLE_REMOTELOG'}{'on'} /></td>
  <td>$Lang::tr{'log server address'}</td><td><input type='text' name='REMOTELOG_ADDR' value='$logsettings{'REMOTELOG_ADDR'}' /></td>
  <td>$Lang::tr{'log server protocol'}</td><td>
  <select name='REMOTELOG_PROTOCOL'>
  <option value='udp' $selected{'REMOTELOG_PROTOCOL'}{'udp'}>$Lang::tr{'udp less overhead'}</option>
  <option value='tcp' $selected{'REMOTELOG_PROTOCOL'}{'tcp'}>$Lang::tr{'tcp more reliable'}</option>
  </select></td>
</tr>
</table>
END
;
&Header::closebox();

print <<END
<div align='center'>
<table width='60%'>
<tr>
  <td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
</tr>
</table>
</div>
END
;

print "</form>\n";

&Header::closebigbox();

&Header::closepage();