Add link to entropy page and show if there is hardware support available.

config/menu/20-status.menu

@@ -46,6 +46,12 @@
 				'title' => "$Lang::tr{'hardware graphs'}",
 				'enabled' => 1,
 			  };
+    $substatus->{'61.entropy'} = {
+				'caption' => "$Lang::tr{'entropy'}",
+				'uri' => '/cgi-bin/entropy.cgi',
+				'title' => "$Lang::tr{'entropy graphs'}",
+				'enabled' => 1,
+			  };
     $substatus->{'71.connections'} = {
 				'caption' => $Lang::tr{'connections'},
 				'uri' => '/cgi-bin/connections.cgi',

html/cgi-bin/entropy.cgi

@@ -48,6 +48,42 @@ if ( $querry[0] ne~ "") {
 	&Graphs::makegraphbox("entropy.cgi", "day", '', 350);
 	&Header::closebox();
 
+	# Check for hardware support.
+	my $message;
+	my $message_colour = $Header::colourred;
+	if (&has_hwrng()) {
+		$message = $Lang::tr{'system has hwrng'};
+		$message_colour = $Header::colourgreen;
+	} elsif (&has_rdrand()) {
+		$message = $Lang::tr{'system has rdrand'};
+		$message_colour = $Header::colourgreen;
+	} else {
+		$message = $Lang::tr{'no hardware random number generator'};
+	}
+
+	&Header::openbox('100%', 'center', $Lang::tr{'hardware support'});
+	print <<EOF;
+		<p style="color: $message_colour; text-align: center;">$message</p>
+EOF
+	&Header::closebox();
+
 	&Header::closebigbox();
 	&Header::closepage();
 }
+
+sub has_hwrng() {
+	return (-c "/dev/hwrng");
+}
+
+sub has_rdrand() {
+	open(FILE, "/proc/cpuinfo") or return 0;
+	my @cpuinfo = <FILE>;
+	close(FILE);
+
+	my @result = grep(/rdrand/, @cpuinfo);
+	if (@result) {
+		return 1;
+	}
+
+	return 0;
+}

langs/de/cgi-bin/de.pl

@@ -813,6 +813,7 @@
 'enter ack class' => 'Legen Sie hier die ACK-Klasse fest <br /> und klicken Sie danach auf <i>Speichern</i>.',
 'enter data' => 'Geben Sie die Daten ein <br /> und klicken Sie danach auf <i>Speichern</i>.',
 'entropy' => 'Entropie',
+'entropy graphs' => 'Entropiegraphen',
 'err bk 1' => 'Fehler beim Erzeugen des Archivs',
 'err bk 10 password' => 'Fehler beim Datensicherungs-Passwort',
 'err bk 2 key' => 'Fehler beim Erzeugen der Schlüsseldatei',
@@ -1131,6 +1132,7 @@
 'harddisk temperature' => 'Festplattentemperatur',
 'harddisk temperature graphs' => 'HDD-Diagramme',
 'hardware graphs' => 'Hardware-Diagramme',
+'hardware support' => 'Hardware-Unterstützung',
 'hdd temperature in' => 'Festplattentemperatur in',
 'help' => 'Hilfe',
 'high' => 'Hoch',
@@ -1506,6 +1508,7 @@
 'no eciadsl synch.bin file' => 'Keine ECI ADSL Datei synch.bin vorhanden. Bitte hochladen.',
 'no filter pass' => 'Legen Sie hier die Standardklassen fest durch die nicht-gefilterte Pakete gehen.',
 'no fritzdsl driver' => 'Kein Fritz!DSL-Treiber vorhanden. Bitte hochladen.',
+'no hardware random number generator' => 'Dieses System hat keine Entropiequelle.',
 'no information available' => 'Keine Informationen verfügbar.',
 'no log selected' => 'kein Log ausgewählt',
 'no modem selected' => 'Kein Modem ausgewählt',
@@ -1976,6 +1979,8 @@
 'swap usage per' => 'Nutzung von Auslagerungsspeicher (Swap) pro',
 'system' => 'System',
 'system graphs' => 'System-Diagramme',
+'system has hwrng' => 'Dieses System hat einen Hardware-Zufallszahlengenerator.',
+'system has rdrand' => 'Dieses System unterstützt Intel(R) RDRAND.',
 'system information' => 'Systeminformationen',
 'system log viewer' => 'Betrachter der System-Logdateien',
 'system logs' => 'System-Logdateien',

langs/en/cgi-bin/en.pl

@@ -839,6 +839,7 @@
 'enter ack class' => 'Enter the ACK- Class <br /> and then press <i>Save</i>.',
 'enter data' => 'Enter your settings <br /> and then press <i>Save</i>.',
 'entropy' => 'Entropy',
+'entropy graphs' => 'Entropy Graphs',
 'err bk 1' => 'Error creating archive',
 'err bk 10 password' => 'Error with backup password',
 'err bk 2 key' => 'Error creating key file',
@@ -1159,6 +1160,7 @@
 'harddisk temperature' => 'Harddisk Temperature',
 'harddisk temperature graphs' => 'HDD Graphs',
 'hardware graphs' => 'Hardware Graphs',
+'hardware support' => 'Hardware Support',
 'hdd temperature in' => 'Harddisk temperature in',
 'help' => 'Help',
 'high' => 'High',
@@ -1535,6 +1537,7 @@
 'no eciadsl synch.bin file' => 'No ECI ADSL synch.bin file. Please upload.',
 'no filter pass' => 'Enter the standard class for non-filtered packets.',
 'no fritzdsl driver' => 'No Fritz!DSL driver.  Please upload.',
+'no hardware random number generator' => 'This system has no source for entropy.',
 'no information available' => 'No information available.',
 'no log selected' => 'No log selected',
 'no modem selected' => 'No modem selected',
@@ -2011,6 +2014,8 @@
 'swap usage per' => 'Swap usage per',
 'system' => 'System',
 'system graphs' => 'System Graphs',
+'system has hwrng' => 'This system has got a hardware random number generator.',
+'system has rdrand' => 'This system has got support for Intel(R) RDRAND.',
 'system information' => 'System Information',
 'system log viewer' => 'System Log Viewer',
 'system logs' => 'System Logs',