###############################################################################
# #
# IPFire.org - A linux based firewall #
-# Copyright (C) 2007 Michael Tremer & Christian Schmidt #
+# Copyright (C) 2007-2013 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 #
# #
###############################################################################
-
-use LWP::UserAgent;
-use File::Copy;
-use File::Temp qw/ tempfile tempdir /;
use strict;
# enable only the following on debugging purpose
#use warnings;
#use CGI::Carp 'fatalsToBrowser';
+use File::Copy;
require '/var/ipfire/general-functions.pl';
require "${General::swroot}/lang.pl";
require "${General::swroot}/header.pl";
+sub refreshpage{&Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='1;'>" );print "<center><img src='/images/clock.gif' alt='' /><br/><font color='red'>$Lang::tr{'pagerefresh'}</font></center>";&Header::closebox();}
+
+$a = new CGI;
+
my %color = ();
my %mainsettings = ();
&General::readhash("${General::swroot}/main/settings", \%mainsettings);
my %selected=();
my %netsettings=();
our $errormessage = '';
-our $md5 = '0';# not '' to avoid displaying the wrong message when INSTALLMD5 not set
-our $realmd5 = '';
our $results = '';
our $tempdir = '';
our $url='';
$snortsettings{'GUARDIAN_IGNOREFILE'} = '/var/ipfire/guardian/guardian.ignore';
$snortsettings{'GUARDIAN_TARGETFILE'} = '/var/ipfire/guardian/guardian.target';
$snortsettings{'GUARDIAN_TIMELIMIT'} = '86400';
-$snortsettings{'GUARDIAN_IGNOREFILE_CONTENT'} = `cat $snortsettings{'GUARDIAN_IGNOREFILE'}`;
$snortsettings{'ACTION'} = '';
$snortsettings{'ACTION2'} = '';
$snortsettings{'RULES'} = '';
$snortsettings{'OINKCODE'} = '';
$snortsettings{'INSTALLDATE'} = '';
-$snortsettings{'INSTALLMD5'} = '';
+$snortsettings{'FILE'} = '';
+$snortsettings{'UPLOAD'} = '';
&Header::getcgihash(\%snortsettings, {'wantfile' => 1, 'filevar' => 'FH'});
close(FILE);
open(FILE, ">/etc/snort/snort.conf") or die 'Unable to write snort config file.';
- my @rules = `cd /etc/snort/rules/ && ls *.rules`; # With this loop the rule might be display with correct rulepath set
+ my @rules = `cd /etc/snort/rules/ && ls *.rules 2>/dev/null`; # With this loop the rule might be display with correct rulepath set
foreach (@rules) {
chomp $_;
my $temp = join(";",@snortconfig);
if ( $temp =~ /$_/ ){next;}
else { push(@snortconfig,"#include \$RULE_PATH/".$_);}
}
-
+
# Loop over each line
foreach my $line (@snortconfig) {
# Trim the line
# If see more than one dashed line, (start to) create rule file description
if ($dashlinecnt > 1) {
# Check for a line starting with a #
- if ($ruleline =~ /^\#/) {
+ if ($ruleline =~ /^\#/ and $ruleline !~ /^\#alert/) {
# Create tempruleline
my $tempruleline = $ruleline;
if (!exists $snortsettings{"SNORT_RULE_$rule"}) {
$line = "# $line";
}
-
+
}
# Check for rule state
####################### End added for snort rules control #################################
if ($snortsettings{'RULES'} eq 'subscripted') {
- $url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-2.8_s.tar.gz";
+ $url=" http://www.snort.org/sub-rules/snortrules-snapshot-2950.tar.gz/$snortsettings{'OINKCODE'}";
} elsif ($snortsettings{'RULES'} eq 'registered') {
- $url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-2.8.tar.gz";
+ $url=" http://www.snort.org/reg-rules/snortrules-snapshot-2950.tar.gz/$snortsettings{'OINKCODE'}";
+} elsif ($snortsettings{'RULES'} eq 'community') {
+ $url=" http://s3.amazonaws.com/snort-org/www/rules/community/community-rules.tar.gz";
} else {
- $url="http://www.snort.org/pub-bin/downloads.cgi/Download/comm_rules/Community-Rules-CURRENT.tar.gz";
+ $url="http://rules.emergingthreats.net/open/snort-2.9.0/emerging.rules.tar.gz";
}
if ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "snort" )
{
$errormessage = $Lang::tr{'invalid input for oink code'} unless (
($snortsettings{'OINKCODE'} =~ /^[a-z0-9]+$/) ||
- ($snortsettings{'RULESTYPE'} eq 'nothing' ) );
+ ($snortsettings{'RULES'} eq 'nothing' ) ||
+ ($snortsettings{'RULES'} eq 'emerging' ) ||
+ ($snortsettings{'RULES'} eq 'community' ));
&General::writehash("${General::swroot}/snort/settings", \%snortsettings);
if ($snortsettings{'ENABLE_SNORT'} eq 'on')
system ('/usr/bin/touch', "${General::swroot}/snort/enable");
} else {
unlink "${General::swroot}/snort/enable";
- }
+ }
if ($snortsettings{'ENABLE_SNORT_GREEN'} eq 'on')
{
system ('/usr/bin/touch', "${General::swroot}/snort/enable_green");
} else {
unlink "${General::swroot}/snort/enable_green";
- }
+ }
if ($snortsettings{'ENABLE_SNORT_BLUE'} eq 'on')
{
system ('/usr/bin/touch', "${General::swroot}/snort/enable_blue");
} else {
unlink "${General::swroot}/snort/enable_blue";
- }
+ }
if ($snortsettings{'ENABLE_SNORT_ORANGE'} eq 'on')
{
system ('/usr/bin/touch', "${General::swroot}/snort/enable_orange");
system ('/usr/bin/touch', "${General::swroot}/snort/enable_preprocessor_http_inspect");
} else {
unlink "${General::swroot}/snort/enable_preprocessor_http_inspect";
- }
+ }
if ($snortsettings{'ENABLE_GUARDIAN'} eq 'on')
{
system ('/usr/bin/touch', "${General::swroot}/guardian/enable");
system('/usr/local/bin/snortctrl restart >/dev/null');
} elsif ($snortsettings{'ACTION'} eq $Lang::tr{'save'} && $snortsettings{'ACTION2'} eq "guardian" ){
+ foreach my $key (keys %snortsettings){
+ if ( $key !~ /^GUARDIAN/ ){
+ delete $snortsettings{$key};
+ }
+ }
+ &General::writehashpart("${General::swroot}/snort/settings", \%snortsettings);
open(IGNOREFILE, ">$snortsettings{'GUARDIAN_IGNOREFILE'}") or die "Unable to write guardian ignore file $snortsettings{'GUARDIAN_IGNOREFILE'}";
print IGNOREFILE $snortsettings{'GUARDIAN_IGNOREFILE_CONTENT'};
close(IGNOREFILE);
# INSTALLMD5 is not in the form, so not retrieved by getcgihash
&General::readhash("${General::swroot}/snort/settings", \%snortsettings);
-if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) {
- $md5 = &getmd5;
- if (($snortsettings{'INSTALLMD5'} ne $md5) && defined $md5 ) {
- chomp($md5);
- my $filename = &downloadrulesfile();
- if (defined $filename) {
- # Check MD5sum
- $realmd5 = `/usr/bin/md5sum $filename`;
- chomp ($realmd5);
- $realmd5 =~ s/^(\w+)\s.*$/$1/;
- if ($md5 ne $realmd5) {
- $errormessage = "$Lang::tr{'invalid md5sum'}";
+if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} || $snortsettings{'ACTION'} eq $Lang::tr{'upload new ruleset'}) {
+
+ my @df = `/bin/df -B M /var`;
+ foreach my $line (@df) {
+ next if $line =~ m/^Filesystem/;
+ my $return;
+
+ if ($line =~ m/dev/ ) {
+ $line =~ m/^.* (\d+)M.*$/;
+ my @temp = split(/ +/,$line);
+ if ($1<300) {
+ $errormessage = "$Lang::tr{'not enough disk space'} < 300MB, /var $1MB";
} else {
- $results = "<b>$Lang::tr{'installed updates'}</b>\n<pre>";
- $results .=`/usr/local/bin/oinkmaster.pl -s -u file://$filename -C /var/ipfire/snort/oinkmaster.conf -o /etc/snort/rules 2>&1`;
- $results .= "</pre>";
+
+ if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} ){
+
+ &downloadrulesfile();
+ sleep(3);
+ $return = `cat /var/tmp/log 2>/dev/null`;
+
+ } elsif ( $snortsettings{'ACTION'} eq $Lang::tr{'upload new ruleset'} ) {
+ my $upload = $a->param("UPLOAD");
+ open UPLOADFILE, ">/var/tmp/snortrules.tar.gz";
+ binmode $upload;
+ while ( <$upload> ) {
+ print UPLOADFILE;
+ }
+ close UPLOADFILE;
+ }
+
+ if ($return =~ "ERROR"){
+ $errormessage = "<br /><pre>".$return."</pre>";
+ } else {
+ system("/usr/local/bin/oinkmaster.pl -v -s -u file:///var/tmp/snortrules.tar.gz -C /var/ipfire/snort/oinkmaster.conf -o /etc/snort/rules >>/var/tmp/log 2>&1 &");
+ sleep(2);
+ }
}
- unlink ($filename);
}
}
}
$checked{'ENABLE_GUARDIAN'}{$snortsettings{'ENABLE_GUARDIAN'}} = "checked='checked'";
$selected{'RULES'}{'nothing'} = '';
$selected{'RULES'}{'community'} = '';
+$selected{'RULES'}{'emerging'} = '';
$selected{'RULES'}{'registered'} = '';
$selected{'RULES'}{'subscripted'} = '';
$selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'";
####################### Added for snort rules control #################################
print "<SCRIPT LANGUAGE='JavaScript' SRC='/include/snortupdateutility.js'></SCRIPT>";
print <<END
-<STYLE TYPE="text/css">
+<STYLE TYPE="text/css">
<!--
.section {
border: groove;
&Header::openbigbox('100%', 'left', '', $errormessage);
+###############
+# DEBUG DEBUG
+# &Header::openbox('100%', 'left', 'DEBUG');
+# my $debugCount = 0;
+# foreach my $line (sort keys %snortsettings) {
+# print "$line = $snortsettings{$line}<br />\n";
+# $debugCount++;
+# }
+# print " Count: $debugCount\n";
+# &Header::closebox();
+# DEBUG DEBUG
+###############
+
if ($errormessage) {
&Header::openbox('100%', 'left', $Lang::tr{'error messages'});
print "<class name='base'>$errormessage\n";
&Header::closebox();
}
+my $return = `pidof oinkmaster.pl -x`;
+chomp($return);
+if ($return) {
+ &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='10;'>" );
+ print <<END;
+ <table>
+ <tr><td>
+ <img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' />
+ <td>
+ $Lang::tr{'snort working'}
+ <tr><td colspan='2' align='center'>
+ <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+ <input type='image' alt='$Lang::tr{'reload'}' src='/images/view-refresh.png' />
+ </form>
+ <tr><td colspan='2' align='left'><pre>
+END
+ my @output = `tail -20 /var/tmp/log`;
+ foreach (@output) {
+ print "$_";
+ }
+ print <<END;
+ </pre>
+ </table>
+END
+ &Header::closebox();
+ &Header::closebigbox();
+ &Header::closepage();
+ exit;
+ refreshpage();
+}
+
&Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system2'});
print <<END
<form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>
<tr>
<td><select name='RULES'>
<option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option>
+ <option value='emerging' $selected{'RULES'}{'emerging'} >$Lang::tr{'emerging rules'}</option>
<option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option>
<option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option>
<option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option>
</tr>
<tr>
<td><br />
- $Lang::tr{'ids rules license'} <a href='http://www.snort.org/' target='_blank'>http://www.snort.org</a>.<br />
- <br />
- $Lang::tr{'ids rules license2'} <a href='http://www.snort.org/reg-bin/userprefs.cgi' target='_blank'>USER PREFERENCES</a>, $Lang::tr{'ids rules license3'}<br />
+ $Lang::tr{'ids rules license'} <a href='https://www.snort.org/signup' target='_blank'>www.snort.org</a>$Lang::tr{'ids rules license1'}<br /><br />
+ $Lang::tr{'ids rules license2'} <a href='https://www.snort.org/account/oinkcode' target='_blank'>Get an Oinkcode</a>, $Lang::tr{'ids rules license3'}
</td>
</tr>
<tr>
<td width='30%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' />
END
;
-
-if ($snortsettings{'INSTALLMD5'} eq $md5) {
- print " $Lang::tr{'rules already up to date'}</td>";
-} else {
- if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} && $md5 eq $realmd5 ) {
- $snortsettings{'INSTALLMD5'} = $realmd5;
- $snortsettings{'INSTALLDATE'} = `/bin/date +'%Y-%m-%d'`;
- &General::writehash("${General::swroot}/snort/settings", \%snortsettings);
- }
- print " $Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>";
+if ( -e "/var/tmp/snortrules.tar.gz"){
+ my @Info = stat("/var/tmp/snortrules.tar.gz");
+ $snortsettings{'INSTALLDATE'} = localtime($Info[9]);
}
+print " $Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>";
+
print <<END
</tr>
</table>
&Header::openbox('100%', 'LEFT', $Lang::tr{'guardian configuration'});
print <<END
<form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>
-<tr><td align='left' width='40%'>$Lang::tr{'guardian interface'}</td><td align='left'><input type='text' name='INTERFACE' value='$snortsettings{'GUARDIAN_INTERFACE'}' size="30" /></td></tr>
-<tr><td align='left' width='40%'>$Lang::tr{'guardian timelimit'}</td><td align='left'><input type='text' name='TIMELIMIT' value='$snortsettings{'GUARDIAN_TIMELIMIT'}' size="30" /></td></tr>
-<tr><td align='left' width='40%'>$Lang::tr{'guardian logfile'}</td><td align='left'><input type='text' name='LOGFILE' value='$snortsettings{'GUARDIAN_LOGFILE'}' size="30" /></td></tr>
-<tr><td align='left' width='40%'>$Lang::tr{'guardian alertfile'}</td><td align='left'><input type='text' name='ALERTFILE' value='$snortsettings{'GUARDIAN_ALERTFILE'}' size="30" /></td></tr>
-<tr><td align='left' width='40%'>$Lang::tr{'guardian ignorefile'}</td><td align='left'><textarea name='IGNOREFILE_CONTENT' cols='32' rows='6' wrap='off'>
+<tr><td align='left' width='40%'>$Lang::tr{'guardian interface'}</td><td align='left'><input type='text' name='GUARDIAN_INTERFACE' value='$snortsettings{'GUARDIAN_INTERFACE'}' size="30" /></td></tr>
+<tr><td align='left' width='40%'>$Lang::tr{'guardian timelimit'}</td><td align='left'><input type='text' name='GUARDIAN_TIMELIMIT' value='$snortsettings{'GUARDIAN_TIMELIMIT'}' size="30" /></td></tr>
+<tr><td align='left' width='40%'>$Lang::tr{'guardian logfile'}</td><td align='left'><input type='text' name='GUARDIAN_LOGFILE' value='$snortsettings{'GUARDIAN_LOGFILE'}' size="30" /></td></tr>
+<tr><td align='left' width='40%'>$Lang::tr{'guardian alertfile'}</td><td align='left'><input type='text' name='GUARDIAN_ALERTFILE' value='$snortsettings{'GUARDIAN_ALERTFILE'}' size="30" /></td></tr>
+<tr><td align='left' width='40%'>$Lang::tr{'guardian ignorefile'}</td><td align='left'><textarea name='GUARDIAN_IGNOREFILE_CONTENT' cols='32' rows='6' wrap='off'>
END
;
print `cat /var/ipfire/guardian/guardian.ignore`;
&Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'});
# Output display table for rule files
print "<TABLE width='100%'><TR><TD VALIGN='TOP'><TABLE>";
-
+
print "<form method='post'>";
# Local vars
foreach my $rulefile (sort keys(%snortrules)) {
my $rulechecked = '';
+ # Hide inkompatible Block rules
+ if ($rulefile =~'-BLOCK.rules') {
+ next;
+ }
+
# Check if reached half-way through rule file rules to start new column
if ($ruledisplaycnt > $rulecnt) {
print "</TABLE></TD><TD VALIGN='TOP'><TABLE>";
# Increment count
$ruledefdisplaycnt++;
}
-
+
# If do not have second rule for row, create empty cell
if (($ruledefdisplaycnt % 2) != 0) {
print "<TD CLASS='base'></TD>";
&Header::closebigbox();
&Header::closepage();
-sub getmd5 {
- # Retrieve MD5 sum from $url.md5 file
- #
- my $md5buf = &geturl("$url.md5");
- return undef unless $md5buf;
-
- if (0) { # 1 to debug
- my $filename='';
- my $fh='';
- ($fh, $filename) = tempfile('/tmp/XXXXXXXX',SUFFIX => '.md5' );
- binmode ($fh);
- syswrite ($fh, $md5buf->content);
- close($fh);
- }
- return $md5buf->content;
-}
sub downloadrulesfile {
- my $return = &geturl($url);
- return undef unless $return;
+ my $peer;
+ my $peerport;
- if (index($return->content, "\037\213") == -1 ) { # \037\213 is .gz beginning
- $errormessage = $Lang::tr{'invalid loaded file'};
- return undef;
- }
-
- my $filename='';
- my $fh='';
- ($fh, $filename) = tempfile('/tmp/XXXXXXXX',SUFFIX => '.tar.gz' );#oinkmaster work only with this extension
- binmode ($fh);
- syswrite ($fh, $return->content);
- close($fh);
- return $filename;
-}
-
-sub geturl ($) {
- my $url=$_[0];
+ unlink("/var/tmp/log");
unless (-e "${General::swroot}/red/active") {
$errormessage = $Lang::tr{'could not download latest updates'};
return undef;
}
- my $downloader = LWP::UserAgent->new;
- $downloader->timeout(5);
-
my %proxysettings=();
&General::readhash("${General::swroot}/proxy/settings", \%proxysettings);
if ($_=$proxysettings{'UPSTREAM_PROXY'}) {
- my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/);
- if ($proxysettings{'UPSTREAM_USER'}) {
- $downloader->proxy("http","http://$proxysettings{'UPSTREAM_USER'}:$proxysettings{'UPSTREAM_PASSWORD'}@"."$peer:$peerport/");
- } else {
- $downloader->proxy("http","http://$peer:$peerport/");
- }
+ ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/);
}
- my $return = $downloader->get($url,'Cache-Control','no-cache');
-
- if ($return->code == 403) {
- $errormessage = $Lang::tr{'access refused with this oinkcode'};
- return undef;
- } elsif (!$return->is_success()) {
- $errormessage = $Lang::tr{'could not download latest updates'};
- return undef;
+ if ($peer) {
+ system("wget -r --proxy=on --proxy-user=$proxysettings{'UPSTREAM_USER'} --proxy-passwd=$proxysettings{'UPSTREAM_PASSWORD'} -e http_proxy=http://$peer:$peerport/ -o /var/tmp/log --no-check-certificate --output-document=/var/tmp/snortrules.tar.gz $url");
+ } else {
+ system("wget -r --no-check-certificate -o /var/tmp/log --output-document=/var/tmp/snortrules.tar.gz $url");
}
-
- return $return;
-
}