+++ /dev/null
-#!/usr/bin/perl
-###############################################################################
-# #
-# IPFire.org - A linux based firewall #
-# Copyright (C) 2005-2010 IPFire 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";
-require "${General::swroot}/graphs.pl";
-
-my @querry = split(/\?/,$ENV{'QUERY_STRING'});
-$querry[0] = '' unless defined $querry[0];
-$querry[1] = 'hour' unless defined $querry[1];
-
-if ( $querry[0] ne~ "") {
- print "Content-type: image/png\n\n";
- binmode(STDOUT);
- &Graphs::updateentropygraph($querry[1]);
-
-} else {
- &Header::showhttpheaders();
- &Header::openpage($Lang::tr{'entropy'}, 1, '');
- &Header::openbigbox('100%', 'left');
-
- &Header::openbox('100%', 'center', $Lang::tr{'entropy'});
- &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;
-}