[people/pmueller/ipfire-2.x.git] / html / cgi-bin / dnsforward.cgi

#!/usr/bin/perl
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2013  IPFire Development Team                                 #
#                                                                             #
# 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";

#workaround to suppress a warning when a variable is used only once
my @dummy = ( ${Header::colouryellow} );
undef (@dummy);

my %cgiparams=();
my %checked=();
my %selected=();
my $errormessage = '';
my $filename = "${General::swroot}/dnsforward/config";
my $changed = 'no';

my %color = ();
my %mainsettings = ();
&General::readhash("${General::swroot}/main/settings", \%mainsettings);
&General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);

&Header::showhttpheaders();

$cgiparams{'ENABLED'} = 'off';
$cgiparams{'ACTION'} = '';
$cgiparams{'ZONE'} = '';
$cgiparams{'FORWARD_SERVERS'} = '';
$cgiparams{'REMARK'} ='';
&Header::getcgihash(\%cgiparams);
open(FILE, $filename) or die 'Unable to open config file.';
my @current = <FILE>;
close(FILE);

###
# Add / Edit entries.
#
if ($cgiparams{'ACTION'} eq $Lang::tr{'add'})
{
	# Check if the entered domainname is valid.
	unless (&General::validdomainname($cgiparams{'ZONE'})) {
		$errormessage = $Lang::tr{'invalid domain name'};
	}

	my @forward_servers = split(/\,/, $cgiparams{'FORWARD_SERVERS'});
	foreach my $forward_server (@forward_servers) {
		# Check if the settings for the forward server are valid.
		unless(&General::validip($forward_server) || &General::validfqdn($forward_server)) {
			$errormessage = "$Lang::tr{'invalid ip or hostname'}: $forward_server";
			last;
		}
	}

	# Go further if there was no error.
	if ( ! $errormessage)
	{
		# Save servers separated by |
		$cgiparams{'FORWARD_SERVERS'} = join("|", @forward_servers);

	    # Check if a remark has been entered.
	    $cgiparams{'REMARK'} = &Header::cleanhtml($cgiparams{'REMARK'});

		# Check if we want to edit an existing or add a new entry.
		if($cgiparams{'EDITING'} eq 'no') {
			open(FILE,">>$filename") or die 'Unable to open config file.';
			flock FILE, 2;
			print FILE "$cgiparams{'ENABLED'},$cgiparams{'ZONE'},$cgiparams{'FORWARD_SERVERS'},$cgiparams{'REMARK'}\n";
		} else {
			open(FILE, ">$filename") or die 'Unable to open config file.';
			flock FILE, 2;
			my $id = 0;
			foreach my $line (@current)
			{
				$id++;
				if ($cgiparams{'EDITING'} eq $id) {
					print FILE "$cgiparams{'ENABLED'},$cgiparams{'ZONE'},$cgiparams{'FORWARD_SERVERS'},$cgiparams{'REMARK'}\n";
				} else { print FILE "$line"; }
			}
		}
		close(FILE);
		undef %cgiparams;
		$changed = 'yes';
	} else {
		# stay on edit mode if an error occur
		if ($cgiparams{'EDITING'} ne 'no')
		{
			$cgiparams{'ACTION'} = $Lang::tr{'edit'};
			$cgiparams{'ID'} = $cgiparams{'EDITING'};
		}
	}
	# Restart unbound
	system('/usr/local/bin/unboundctrl restart >/dev/null');
}

###
# Remove existing entries.
#
if ($cgiparams{'ACTION'} eq $Lang::tr{'remove'})
{
	my $id = 0;
	open(FILE, ">$filename") or die 'Unable to open config file.';
	flock FILE, 2;
	foreach my $line (@current)
	{
		$id++;
		unless ($cgiparams{'ID'} eq $id) { print FILE "$line"; }
	}
	close(FILE);
	# Restart unbound.
	system('/usr/local/bin/unboundctrl restart >/dev/null');
}

###
# Toggle Enable/Disable for entries.
#
if ($cgiparams{'ACTION'} eq $Lang::tr{'toggle enable disable'})
{
	open(FILE, ">$filename") or die 'Unable to open config file.';
	flock FILE, 2;
	my $id = 0;
	foreach my $line (@current)
	{
		$id++;
		unless ($cgiparams{'ID'} eq $id) { print FILE "$line"; }
		else
		{
			chomp($line);
			my @temp = split(/\,/,$line);
			print FILE "$cgiparams{'ENABLE'},$temp[1],$temp[2],$temp[3]\n";
		}
	}
	close(FILE);
	# Restart unbound.
	system('/usr/local/bin/unboundctrl restart >/dev/null');
}

###
# Read items for edit mode.
#
if ($cgiparams{'ACTION'} eq $Lang::tr{'edit'})
{
	my $id = 0;
	foreach my $line (@current)
	{
		$id++;
		if ($cgiparams{'ID'} eq $id)
		{
			chomp($line);
			my @temp = split(/\,/,$line);
			$cgiparams{'ENABLED'} = $temp[0];
			$cgiparams{'ZONE'} = $temp[1];
			$cgiparams{'FORWARD_SERVERS'} = join(",", split(/\|/, $temp[2]));
			$cgiparams{'REMARK'} = $temp[3];
		}
	}
}

$checked{'ENABLED'}{'off'} = '';
$checked{'ENABLED'}{'on'} = '';
$checked{'ENABLED'}{$cgiparams{'ENABLED'}} = "checked='checked'";

&Header::openpage($Lang::tr{'dnsforward configuration'}, 1, '');

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

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

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

my $buttontext = $Lang::tr{'add'};
if ($cgiparams{'ACTION'} eq $Lang::tr{'edit'}) {
	&Header::openbox('100%', 'left', $Lang::tr{'dnsforward edit an entry'});
	$buttontext = $Lang::tr{'update'};
} else {
	&Header::openbox('100%', 'left', $Lang::tr{'dnsforward add a new entry'});
}

###
# Content of the main page.
#
print <<END
<table width='100%'>
	<tr>
		<td width='20%' class='base'>$Lang::tr{'dnsforward zone'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
		<td><input type='text' name='ZONE' value='$cgiparams{'ZONE'}' size='24' /></td>
		<td width='30%' class='base'>$Lang::tr{'enabled'}<input type='checkbox' name='ENABLED' $checked{'ENABLED'}{'on'} /></td>
	</tr>

	<tr>
		<td width='20%' class='base'>$Lang::tr{'dnsforward forward_servers'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
		<td><input type='text' name='FORWARD_SERVERS' value='$cgiparams{'FORWARD_SERVERS'}' size='24' /></td>
	</tr>
</table>

<table width='100%'>
	<tr>
		<td width ='20%' class='base'>$Lang::tr{'remark'}:</td>
		<td><input type='text' name='REMARK' value='$cgiparams{'REMARK'}' size='40' maxlength='50' /></td>
	</tr>
</table>
<br>
<hr>

<table width='100%'>
	<tr>
		<td class='base' width='55%'><img src='/blob.gif' alt ='*' align='top' />&nbsp;$Lang::tr{'required field'}</td>
		<td width='40%' align='right'>
			<input type='hidden' name='ACTION' value='$Lang::tr{'add'}' />
			<input type='submit' name='SUBMIT' value='$buttontext' />
		</td>
	</tr>
</table>
END
;
if ($cgiparams{'ACTION'} eq $Lang::tr{'edit'}) {
	print "<input type='hidden' name='EDITING' value='$cgiparams{'ID'}' />\n";
} else {
	print "<input type='hidden' name='EDITING' value='no' />\n";
}

&Header::closebox();
print "</form>\n";

###
# Existing rules.
#
&Header::openbox('100%', 'left', $Lang::tr{'dnsforward entries'});
print <<END
<table width='100%' class='tbl'>
	<tr>
		<th width='35%' class='boldbase' align='center'><b>$Lang::tr{'dnsforward zone'}</b></th>
		<th width='30%' class='boldbase' align='center'><b>$Lang::tr{'dnsforward forward_servers'}</b></th>
		<th width='30%' class='boldbase' align='center'><b>$Lang::tr{'remark'}</b></th>
		<th width='5%' class='boldbase' colspan='3' align='center'><b>$Lang::tr{'action'}</b></th>
	</tr>
END
;

# If something has happened re-read config
if($cgiparams{'ACTION'} ne '' or $changed ne 'no')
{
	open(FILE, $filename) or die 'Unable to open config file.';
	@current = <FILE>;
	close(FILE);
}

###
# Re-read entries and highlight selected item for editing.
#
my $id = 0;
my $col="";
foreach my $line (@current)
{
	$id++;
	chomp($line);
	my @temp = split(/\,/,$line);
	my $toggle = '';
	my $gif = '';
	my $gdesc = '';
	my $toggle = '';

	# Format lists of servers
	my $servers = join(", ", split(/\|/, $temp[2]));

	if($cgiparams{'ACTION'} eq $Lang::tr{'edit'} && $cgiparams{'ID'} eq $id) {
		print "<tr>";
		$col="bgcolor='${Header::colouryellow}'"; }
	elsif ($id % 2) {
		print "<tr>";
		$col="bgcolor='$color{'color22'}'"; }
	else {
		print "<tr>";
		$col="bgcolor='$color{'color20'}'"; }

	if ($temp[0] eq 'on') { $gif='on.gif'; $toggle='off'; $gdesc=$Lang::tr{'click to disable'};}
	else { $gif='off.gif'; $toggle='on'; $gdesc=$Lang::tr{'click to enable'}; }

###
# Display edit page.
#
print <<END
	<td align='center' $col>$temp[1]</td>
	<td align='center' $col>$servers</td>
	<td align='center' $col>$temp[3]</td>
	<td align='center' $col>
		<form method='post' name='frma$id' action='$ENV{'SCRIPT_NAME'}'>
			<input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$gif' title='$gdesc' alt='$gdesc' />
			<input type='hidden' name='ID' value='$id' />
			<input type='hidden' name='ENABLE' value='$toggle' />
			<input type='hidden' name='ACTION' value='$Lang::tr{'toggle enable disable'}' />
		</form>
	</td>
	<td align='center' $col>
		<form method='post' name='frmb$id' action='$ENV{'SCRIPT_NAME'}'>
			<input type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' title='$Lang::tr{'edit'}' alt='$Lang::tr{'edit'}' />
			<input type='hidden' name='ID' value='$id' />
			<input type='hidden' name='ACTION' value='$Lang::tr{'edit'}' />
		</form>
	</td>
	<td align='center' $col>
		<form method='post' name='frmc$id' action='$ENV{'SCRIPT_NAME'}'>
			<input type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' title='$Lang::tr{'remove'}' alt='$Lang::tr{'remove'}' />
			<input type='hidden' name='ID' value='$id' />
			<input type='hidden' name='ACTION' value='$Lang::tr{'remove'}' />
		</form>
	</td>
</tr>
END
	;
}
print "</table>\n";

###
# Print the legend at the bottom if there are any configured entries.
#
# Check if the file size is zero - no existing entries.
if ( ! -z "$filename") {
print <<END
<table>
	<tr>
		<td class='boldbase'>&nbsp; <b>$Lang::tr{'legend'}:</b></td>
		<td>&nbsp; <img src='/images/on.gif' alt='$Lang::tr{'click to disable'}' /></td>
		<td class='base'>$Lang::tr{'click to disable'}</td>
		<td>&nbsp; &nbsp; <img src='/images/off.gif' alt='$Lang::tr{'click to enable'}' /></td>
		<td class='base'>$Lang::tr{'click to enable'}</td>
		<td>&nbsp; &nbsp; <img src='/images/edit.gif' alt='$Lang::tr{'edit'}' /></td>
		<td class='base'>$Lang::tr{'edit'}</td>
		<td>&nbsp; &nbsp; <img src='/images/delete.gif' alt='$Lang::tr{'remove'}' /></td>
		<td class='base'>$Lang::tr{'remove'}</td>
	</tr>
</table>
END
;
}

&Header::closebox();

&Header::closebigbox();

&Header::closepage();
Commit	Line	Data
e4ba53ed SS	1	#!/usr/bin/perl
	2	###############################################################################
	3	# #
	4	# IPFire.org - A linux based firewall #
	5	# Copyright (C) 2013 IPFire Development Team #
	6	# #
	7	# This program is free software: you can redistribute it and/or modify #
	8	# it under the terms of the GNU General Public License as published by #
	9	# the Free Software Foundation, either version 3 of the License, or #
	10	# (at your option) any later version. #
	11	# #
	12	# This program is distributed in the hope that it will be useful, #
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of #
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
	15	# GNU General Public License for more details. #
	16	# #
	17	# You should have received a copy of the GNU General Public License #
	18	# along with this program. If not, see <http://www.gnu.org/licenses/>. #
	19	# #
	20	###############################################################################
	21
	22	use strict;
	23
	24	# enable only the following on debugging purpose
	25	#use warnings;
	26	#use CGI::Carp 'fatalsToBrowser';
	27
	28	require '/var/ipfire/general-functions.pl';
	29	require "${General::swroot}/lang.pl";
	30	require "${General::swroot}/header.pl";
	31
	32	#workaround to suppress a warning when a variable is used only once
	33	my @dummy = ( ${Header::colouryellow} );
	34	undef (@dummy);
	35
	36	my %cgiparams=();
	37	my %checked=();
	38	my %selected=();
	39	my $errormessage = '';
	40	my $filename = "${General::swroot}/dnsforward/config";
	41	my $changed = 'no';
	42
	43	my %color = ();
	44	my %mainsettings = ();
	45	&General::readhash("${General::swroot}/main/settings", \%mainsettings);
	46	&General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
	47
	48	&Header::showhttpheaders();
	49
	50	$cgiparams{'ENABLED'} = 'off';
	51	$cgiparams{'ACTION'} = '';
	52	$cgiparams{'ZONE'} = '';
1a26564e	53	$cgiparams{'FORWARD_SERVERS'} = '';
e4ba53ed SS	54	$cgiparams{'REMARK'} ='';
	55	&Header::getcgihash(\%cgiparams);
	56	open(FILE, $filename) or die 'Unable to open config file.';
	57	my @current = <FILE>;
	58	close(FILE);
	59
	60	###
	61	# Add / Edit entries.
	62	#
	63	if ($cgiparams{'ACTION'} eq $Lang::tr{'add'})
	64	{
	65	# Check if the entered domainname is valid.
	66	unless (&General::validdomainname($cgiparams{'ZONE'})) {
	67	$errormessage = $Lang::tr{'invalid domain name'};
	68	}
	69
1a26564e MT	70	my @forward_servers = split(/\,/, $cgiparams{'FORWARD_SERVERS'});
	71	foreach my $forward_server (@forward_servers) {
	72	# Check if the settings for the forward server are valid.
cb8a25e5 MT	73	unless(&General::validip($forward_server) \|\| &General::validfqdn($forward_server)) {
cb8a25e5 MT	74	$errormessage = "$Lang::tr{'invalid ip or hostname'}: $forward_server";
1a26564e MT	75	last;
1a26564e MT	76	}
e4ba53ed SS	77	}
	78
	79	# Go further if there was no error.
	80	if ( ! $errormessage)
	81	{
1a26564e MT	82	# Save servers separated by \|
	83	$cgiparams{'FORWARD_SERVERS'} = join("\|", @forward_servers);
	84
e4ba53ed SS	85	# Check if a remark has been entered.
	86	$cgiparams{'REMARK'} = &Header::cleanhtml($cgiparams{'REMARK'});
	87
	88	# Check if we want to edit an existing or add a new entry.
	89	if($cgiparams{'EDITING'} eq 'no') {
	90	open(FILE,">>$filename") or die 'Unable to open config file.';
	91	flock FILE, 2;
1a26564e	92	print FILE "$cgiparams{'ENABLED'},$cgiparams{'ZONE'},$cgiparams{'FORWARD_SERVERS'},$cgiparams{'REMARK'}\n";
e4ba53ed SS	93	} else {
	94	open(FILE, ">$filename") or die 'Unable to open config file.';
	95	flock FILE, 2;
	96	my $id = 0;
	97	foreach my $line (@current)
	98	{
	99	$id++;
	100	if ($cgiparams{'EDITING'} eq $id) {
1a26564e	101	print FILE "$cgiparams{'ENABLED'},$cgiparams{'ZONE'},$cgiparams{'FORWARD_SERVERS'},$cgiparams{'REMARK'}\n";
e4ba53ed SS	102	} else { print FILE "$line"; }
	103	}
	104	}
	105	close(FILE);
	106	undef %cgiparams;
	107	$changed = 'yes';
	108	} else {
	109	# stay on edit mode if an error occur
	110	if ($cgiparams{'EDITING'} ne 'no')
	111	{
	112	$cgiparams{'ACTION'} = $Lang::tr{'edit'};
	113	$cgiparams{'ID'} = $cgiparams{'EDITING'};
	114	}
	115	}
df7340d2 MT	116	# Restart unbound
df7340d2 MT	117	system('/usr/local/bin/unboundctrl restart >/dev/null');
e4ba53ed SS	118	}
	119
	120	###
	121	# Remove existing entries.
	122	#
	123	if ($cgiparams{'ACTION'} eq $Lang::tr{'remove'})
	124	{
	125	my $id = 0;
	126	open(FILE, ">$filename") or die 'Unable to open config file.';
	127	flock FILE, 2;
	128	foreach my $line (@current)
	129	{
	130	$id++;
	131	unless ($cgiparams{'ID'} eq $id) { print FILE "$line"; }
	132	}
	133	close(FILE);
df7340d2 MT	134	# Restart unbound.
df7340d2 MT	135	system('/usr/local/bin/unboundctrl restart >/dev/null');
e4ba53ed SS	136	}
	137
	138	###
	139	# Toggle Enable/Disable for entries.
	140	#
	141	if ($cgiparams{'ACTION'} eq $Lang::tr{'toggle enable disable'})
	142	{
	143	open(FILE, ">$filename") or die 'Unable to open config file.';
	144	flock FILE, 2;
	145	my $id = 0;
	146	foreach my $line (@current)
	147	{
	148	$id++;
	149	unless ($cgiparams{'ID'} eq $id) { print FILE "$line"; }
	150	else
	151	{
	152	chomp($line);
	153	my @temp = split(/\,/,$line);
	154	print FILE "$cgiparams{'ENABLE'},$temp[1],$temp[2],$temp[3]\n";
	155	}
	156	}
	157	close(FILE);
df7340d2 MT	158	# Restart unbound.
df7340d2 MT	159	system('/usr/local/bin/unboundctrl restart >/dev/null');
e4ba53ed SS	160	}
	161
	162	###
	163	# Read items for edit mode.
	164	#
	165	if ($cgiparams{'ACTION'} eq $Lang::tr{'edit'})
	166	{
	167	my $id = 0;
	168	foreach my $line (@current)
	169	{
	170	$id++;
	171	if ($cgiparams{'ID'} eq $id)
	172	{
	173	chomp($line);
	174	my @temp = split(/\,/,$line);
	175	$cgiparams{'ENABLED'} = $temp[0];
	176	$cgiparams{'ZONE'} = $temp[1];
1a26564e	177	$cgiparams{'FORWARD_SERVERS'} = join(",", split(/\\|/, $temp[2]));
e4ba53ed SS	178	$cgiparams{'REMARK'} = $temp[3];
	179	}
	180	}
	181	}
	182
	183	$checked{'ENABLED'}{'off'} = '';
	184	$checked{'ENABLED'}{'on'} = '';
	185	$checked{'ENABLED'}{$cgiparams{'ENABLED'}} = "checked='checked'";
	186
	187	&Header::openpage($Lang::tr{'dnsforward configuration'}, 1, '');
	188
	189	&Header::openbigbox('100%', 'left', '', $errormessage);
	190
	191	###
	192	# Error messages layout.
	193	#
	194	if ($errormessage) {
	195	&Header::openbox('100%', 'left', $Lang::tr{'error messages'});
	196	print "<class name='base'>$errormessage\n";
	197	print " </class>\n";
	198	&Header::closebox();
	199	}
	200
	201	print "<form method='post' action='$ENV{'SCRIPT_NAME'}'>\n";
	202
	203	my $buttontext = $Lang::tr{'add'};
	204	if ($cgiparams{'ACTION'} eq $Lang::tr{'edit'}) {
	205	&Header::openbox('100%', 'left', $Lang::tr{'dnsforward edit an entry'});
	206	$buttontext = $Lang::tr{'update'};
	207	} else {
	208	&Header::openbox('100%', 'left', $Lang::tr{'dnsforward add a new entry'});
	209	}
	210
	211	###
	212	# Content of the main page.
	213	#
	214	print <<END
	215	<table width='100%'>
	216	<tr>
e3edceeb	217	<td width='20%' class='base'>$Lang::tr{'dnsforward zone'}: <img src='/blob.gif' alt='*' /></td>
e4ba53ed SS	218	<td><input type='text' name='ZONE' value='$cgiparams{'ZONE'}' size='24' /></td>
	219	<td width='30%' class='base'>$Lang::tr{'enabled'}<input type='checkbox' name='ENABLED' $checked{'ENABLED'}{'on'} /></td>
	220	</tr>
	221
	222	<tr>
0a12cd70	223	<td width='20%' class='base'>$Lang::tr{'dnsforward forward_servers'}: <img src='/blob.gif' alt='*' /></td>
1a26564e	224	<td><input type='text' name='FORWARD_SERVERS' value='$cgiparams{'FORWARD_SERVERS'}' size='24' /></td>
e4ba53ed SS	225	</tr>
	226	</table>
	227
	228	<table width='100%'>
	229	<tr>
e3edceeb	230	<td width ='20%' class='base'>$Lang::tr{'remark'}:</td>
e4ba53ed SS	231	<td><input type='text' name='REMARK' value='$cgiparams{'REMARK'}' size='40' maxlength='50' /></td>
	232	</tr>
	233	</table>
ff92ff17	234	<br>
e4ba53ed SS	235	<hr>
	236
	237	<table width='100%'>
	238	<tr>
e3edceeb	239	<td class='base' width='55%'><img src='/blob.gif' alt ='*' align='top' /> $Lang::tr{'required field'}</td>
ff92ff17	240	<td width='40%' align='right'>
e4ba53ed SS	241	<input type='hidden' name='ACTION' value='$Lang::tr{'add'}' />
	242	<input type='submit' name='SUBMIT' value='$buttontext' />
	243	</td>
	244	</tr>
	245	</table>
	246	END
	247	;
	248	if ($cgiparams{'ACTION'} eq $Lang::tr{'edit'}) {
	249	print "<input type='hidden' name='EDITING' value='$cgiparams{'ID'}' />\n";
	250	} else {
	251	print "<input type='hidden' name='EDITING' value='no' />\n";
	252	}
	253
	254	&Header::closebox();
	255	print "</form>\n";
	256
	257	###
	258	# Existing rules.
	259	#
	260	&Header::openbox('100%', 'left', $Lang::tr{'dnsforward entries'});
	261	print <<END
0317493a	262	<table width='100%' class='tbl'>
e4ba53ed	263	<tr>
0317493a	264	<th width='35%' class='boldbase' align='center'><b>$Lang::tr{'dnsforward zone'}</b></th>
1a26564e	265	<th width='30%' class='boldbase' align='center'><b>$Lang::tr{'dnsforward forward_servers'}</b></th>
0317493a AM	266	<th width='30%' class='boldbase' align='center'><b>$Lang::tr{'remark'}</b></th>
0317493a AM	267	<th width='5%' class='boldbase' colspan='3' align='center'><b>$Lang::tr{'action'}</b></th>
e4ba53ed SS	268	</tr>
	269	END
	270	;
	271
	272	# If something has happened re-read config
	273	if($cgiparams{'ACTION'} ne '' or $changed ne 'no')
	274	{
	275	open(FILE, $filename) or die 'Unable to open config file.';
	276	@current = <FILE>;
	277	close(FILE);
	278	}
	279
	280	###
	281	# Re-read entries and highlight selected item for editing.
	282	#
	283	my $id = 0;
0317493a	284	my $col="";
e4ba53ed SS	285	foreach my $line (@current)
	286	{
	287	$id++;
	288	chomp($line);
	289	my @temp = split(/\,/,$line);
	290	my $toggle = '';
	291	my $gif = '';
	292	my $gdesc = '';
	293	my $toggle = '';
1a26564e MT	294
	295	# Format lists of servers
	296	my $servers = join(", ", split(/\\|/, $temp[2]));
	297
e4ba53ed	298	if($cgiparams{'ACTION'} eq $Lang::tr{'edit'} && $cgiparams{'ID'} eq $id) {
0317493a AM	299	print "<tr>";
0317493a AM	300	$col="bgcolor='${Header::colouryellow}'"; }
e4ba53ed	301	elsif ($id % 2) {
0317493a AM	302	print "<tr>";
0317493a AM	303	$col="bgcolor='$color{'color22'}'"; }
e4ba53ed	304	else {
0317493a AM	305	print "<tr>";
0317493a AM	306	$col="bgcolor='$color{'color20'}'"; }
e4ba53ed SS	307
	308	if ($temp[0] eq 'on') { $gif='on.gif'; $toggle='off'; $gdesc=$Lang::tr{'click to disable'};}
	309	else { $gif='off.gif'; $toggle='on'; $gdesc=$Lang::tr{'click to enable'}; }
	310
	311	###
	312	# Display edit page.
	313	#
	314	print <<END
0317493a	315	<td align='center' $col>$temp[1]</td>
1a26564e	316	<td align='center' $col>$servers</td>
0317493a AM	317	<td align='center' $col>$temp[3]</td>
0317493a AM	318	<td align='center' $col>
e4ba53ed SS	319	<form method='post' name='frma$id' action='$ENV{'SCRIPT_NAME'}'>
	320	<input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$gif' title='$gdesc' alt='$gdesc' />
	321	<input type='hidden' name='ID' value='$id' />
	322	<input type='hidden' name='ENABLE' value='$toggle' />
	323	<input type='hidden' name='ACTION' value='$Lang::tr{'toggle enable disable'}' />
	324	</form>
	325	</td>
0317493a	326	<td align='center' $col>
e4ba53ed SS	327	<form method='post' name='frmb$id' action='$ENV{'SCRIPT_NAME'}'>
	328	<input type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' title='$Lang::tr{'edit'}' alt='$Lang::tr{'edit'}' />
	329	<input type='hidden' name='ID' value='$id' />
	330	<input type='hidden' name='ACTION' value='$Lang::tr{'edit'}' />
	331	</form>
	332	</td>
0317493a	333	<td align='center' $col>
e4ba53ed SS	334	<form method='post' name='frmc$id' action='$ENV{'SCRIPT_NAME'}'>
	335	<input type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' title='$Lang::tr{'remove'}' alt='$Lang::tr{'remove'}' />
	336	<input type='hidden' name='ID' value='$id' />
	337	<input type='hidden' name='ACTION' value='$Lang::tr{'remove'}' />
	338	</form>
	339	</td>
	340	</tr>
	341	END
	342	;
	343	}
	344	print "</table>\n";
	345
	346	###
	347	# Print the legend at the bottom if there are any configured entries.
	348	#
	349	# Check if the file size is zero - no existing entries.
	350	if ( ! -z "$filename") {
	351	print <<END
	352	<table>
	353	<tr>
	354	<td class='boldbase'>  <b>$Lang::tr{'legend'}:</b></td>
	355	<td>  <img src='/images/on.gif' alt='$Lang::tr{'click to disable'}' /></td>
	356	<td class='base'>$Lang::tr{'click to disable'}</td>
	357	<td>    <img src='/images/off.gif' alt='$Lang::tr{'click to enable'}' /></td>
	358	<td class='base'>$Lang::tr{'click to enable'}</td>
	359	<td>    <img src='/images/edit.gif' alt='$Lang::tr{'edit'}' /></td>
	360	<td class='base'>$Lang::tr{'edit'}</td>
	361	<td>    <img src='/images/delete.gif' alt='$Lang::tr{'remove'}' /></td>
	362	<td class='base'>$Lang::tr{'remove'}</td>
	363	</tr>
	364	</table>
	365	END
	366	;
	367	}
	368
	369	&Header::closebox();
	370
	371	&Header::closebigbox();
	372
	373	&Header::closepage();