[PATCH v2] add GeoIP and rDNS information to used nameservers

["Peter Müller" <peter.mueller@link38.eu>]

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Add GeoIP and rDNS information to DNS nameserver list at netexternal.cgi

Use newly implemented GeoIP function in /var/ipfire/geoip-functions.pl

Signed-off-by: Peter Müller <peter.mueller(a)link38.eu>
---
 html/cgi-bin/netexternal.cgi | 27 ++++++++++++++++++++++++++-
 langs/de/cgi-bin/de.pl       |  1 +
 langs/en/cgi-bin/en.pl       |  1 +
 3 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/html/cgi-bin/netexternal.cgi b/html/cgi-bin/netexternal.cgi
index 299612d4c..4393393e0 100644
--- a/html/cgi-bin/netexternal.cgi
+++ b/html/cgi-bin/netexternal.cgi
@@ -25,9 +25,12 @@ use strict;
 #use warnings;
 #use CGI::Carp 'fatalsToBrowser';
 
+use IO::Socket;
+
 require '/var/ipfire/general-functions.pl';
 require "${General::swroot}/lang.pl";
 require "${General::swroot}/header.pl";
+require "${General::swroot}/geoip-functions.pl";
 require "${General::swroot}/graphs.pl";
 
 my %color = ();
@@ -99,6 +102,12 @@ if ( $querry[0] ne~ ""){
 						<strong>$Lang::tr{'nameserver'}</strong>
 					</th>
 					<th align="center">
+						<strong>$Lang::tr{'country'}</strong>
+					</th>
+					<th align="center">
+						<strong>$Lang::tr{'rdns'}</strong>
+					</th>
+					<th align="center">
 						<strong>$Lang::tr{'status'}</strong>
 					</th>
 				</tr>
@@ -139,9 +148,25 @@ END
 
 		my $table_colour = ($id++ % 2) ? $color{'color22'} : $color{'color20'};
 
+		# collect more information about name server (rDNS, GeoIP country code)
+		my $ccode = &GeoIP::lookup($nameserver);
+		my $flag_icon = &GeoIP::get_flag_icon($ccode);
+
+		my $iaddr = inet_aton($nameserver);
+		my $rdns = gethostbyaddr($iaddr, AF_INET);
+		if (!$rdns) { $rdns = $Lang::tr{'lookup failed'}; }
+
 		print <<END;
 			<tr bgcolor="$table_colour">
-				<td>$nameserver</td>
+				<td>
+					$nameserver
+				</td>
+				<td align="center">
+					<a href='country.cgi#$ccode'><img src="$flag_icon" border="0" alt="$ccode" title="$ccode" /></a>
+				</td>
+				<td align="center">
+					$rdns
+				</td>
 				<td bgcolor="$bgcolour" align="center">
 					<font color="$colour"><strong>$message</strong></font>
 				</td>
diff --git a/langs/de/cgi-bin/de.pl b/langs/de/cgi-bin/de.pl
index 6dff5d781..ae87464d2 100644
--- a/langs/de/cgi-bin/de.pl
+++ b/langs/de/cgi-bin/de.pl
@@ -1962,6 +1962,7 @@
 'read bytes' => 'Gelesene Bytes',
 'read list' => 'Liste der Leseberechtigten',
 'real address' => 'Reale Addresse',
+'rdns' => 'rDNS',
 'reboot' => 'Neustart',
 'reboot ask' => 'Neustart?',
 'reboot question' => 'Extra Abfrage bei neustart und herunterfahren einschalten',
diff --git a/langs/en/cgi-bin/en.pl b/langs/en/cgi-bin/en.pl
index 4efff6e65..3af17d5dc 100644
--- a/langs/en/cgi-bin/en.pl
+++ b/langs/en/cgi-bin/en.pl
@@ -1997,6 +1997,7 @@
 'quick playlist' => 'Quick Playlist',
 'ram' => 'RAM',
 'random number generator daemon' => 'Random Number Generator Daemon',
+'rdns' => 'rDNS',
 'read bytes' => 'Read Bytes',
 'read list' => 'list with readonly hosts',
 'real address' => 'Real Address',
-- 
2.13.6