###############################################################################
# #
# IPFire.org - A linux based firewall #
-# Copyright (C) 2007-2015 IPFire Team <info@ipfire.org> #
+# Copyright (C) 2007-2018 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 #
my %color = ();
my %mainsettings = ();
-my %netsettings = ();
-my %snortrules = ();
-my %snortsettings=();
+my %idsrules = ();
+my %idssettings=();
my %rulesetsources = ();
my %cgiparams=();
my %checked=();
&General::readhash("${General::swroot}/main/settings", \%mainsettings);
&General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
-# Get netsettings.
-&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
+# Get the available network zones, based on the config type of the system and store
+# the list of zones in an array.
+my @network_zones = &IDS::get_available_network_zones();
-my $snortrulepath = "/etc/snort/rules";
-my $snortusedrulefilesfile = "${General::swroot}/snort/snort-used-rulefiles.conf";
+my $idsusedrulefilesfile = "$IDS::settingsdir/suricata-used-rulefiles.yaml";
my $errormessage;
&Header::showhttpheaders();
-# Default settings for snort.
-$snortsettings{'ENABLE_SNORT'} = 'off';
-$snortsettings{'ENABLE_SNORT_GREEN'} = 'off';
-$snortsettings{'ENABLE_SNORT_BLUE'} = 'off';
-$snortsettings{'ENABLE_SNORT_ORANGE'} = 'off';
-$snortsettings{'RULES'} = '';
-$snortsettings{'OINKCODE'} = '';
-
#Get GUI values
&Header::getcgihash(\%cgiparams);
-# Try to determine if oinkmaster is running.
-my $oinkmaster_pid = `pidof oinkmaster.pl -x`;
-
-# If oinkmaster is running display output.
-if ($oinkmaster_pid) {
- &working("$Lang::tr{'snort working'}");
-}
-
# Check if any error has been stored.
if (-e $IDS::storederrorfile) {
# Open file to read in the stored error message.
}
-## Grab all available snort rules and store them in the snortrules hash.
+## Grab all available snort rules and store them in the idsrules hash.
#
# Open snort rules directory and do a directory listing.
-opendir(DIR, $snortrulepath) or die $!;
+opendir(DIR, $IDS::rulespath) or die $!;
# Loop through the direcory.
while (my $file = readdir(DIR)) {
# We only want files.
- next unless (-f "$snortrulepath/$file");
+ next unless (-f "$IDS::rulespath/$file");
# Ignore empty files.
- next if (-z "$snortrulepath/$file");
+ next if (-z "$IDS::rulespath/$file");
# Use a regular expression to find files ending in .rules
next unless ($file =~ m/\.rules$/);
# Ignore files which are not read-able.
- next unless (-R "$snortrulepath/$file");
+ next unless (-R "$IDS::rulespath/$file");
# Call subfunction to read-in rulefile and add rules to
- # the snortrules hash.
+ # the idsrules hash.
&readrulesfile("$file");
}
# Gather used rulefiles.
#
# Check if the file for activated rulefiles is not empty.
-if(-f $snortusedrulefilesfile) {
+if(-f $idsusedrulefilesfile) {
# Open the file for used rulefile and read-in content.
- open(FILE, $snortusedrulefilesfile) or die "Could not open $snortusedrulefilesfile. $!\n";
+ open(FILE, $idsusedrulefilesfile) or die "Could not open $idsusedrulefilesfile. $!\n";
# Read-in content.
my @lines = <FILE>;
next if ($line =~ /^\s*$/);
# Gather rule sid and message from the ruleline.
- if ($line =~ /.*include \$RULE_PATH\/(.*)/) {
+ if ($line =~ /.*- (.*)/) {
my $rulefile = $1;
- # Add the rulefile to the %snortrules hash.
- $snortrules{$rulefile}{'Rulefile'}{'State'} = "on";
+ # Add the rulefile to the %idsrules hash.
+ $idsrules{$rulefile}{'Rulefile'}{'State'} = "on";
}
}
}
# Save ruleset.
if ($cgiparams{'RULESET'} eq $Lang::tr{'update'}) {
- my $enabled_sids_file = "${General::swroot}/snort/oinkmaster-enabled-sids.conf";
- my $disabled_sids_file = "${General::swroot}/snort/oinkmaster-disabled-sids.conf";
+ my $enabled_sids_file = "$IDS::settingsdir/oinkmaster-enabled-sids.conf";
+ my $disabled_sids_file = "$IDS::settingsdir/oinkmaster-disabled-sids.conf";
# Arrays to store sid which should be added to the corresponding files.
my @enabled_sids;
my @disabled_sids;
my @enabled_rulefiles;
- # Loop through the hash of snortrules.
- foreach my $rulefile(keys %snortrules) {
+ # Loop through the hash of idsrules.
+ foreach my $rulefile(keys %idsrules) {
# Check if the rulefile is enabled.
if ($cgiparams{$rulefile} eq "on") {
# Add rulefile to the array of enabled rulefiles.
}
}
- # Loop through the hash of snortrules.
- foreach my $rulefile (keys %snortrules) {
+ # Loop through the hash of idsrules.
+ foreach my $rulefile (keys %idsrules) {
# Loop through the single rules of the rulefile.
- foreach my $sid (keys %{$snortrules{$rulefile}}) {
+ foreach my $sid (keys %{$idsrules{$rulefile}}) {
# Skip the current sid if it is not numeric.
next unless ($sid =~ /\d+/ );
# Check if there exists a key in the cgiparams hash for this sid.
if (exists($cgiparams{$sid})) {
# Look if the rule is disabled.
- if ($snortrules{$rulefile}{$sid}{'State'} eq "off") {
+ if ($idsrules{$rulefile}{$sid}{'State'} eq "off") {
# Check if the state has been set to 'on'.
if ($cgiparams{$sid} eq "on") {
# Add the sid to the enabled_sids array.
}
} else {
# Look if the rule is enabled.
- if ($snortrules{$rulefile}{$sid}{'State'} eq "on") {
+ if ($idsrules{$rulefile}{$sid}{'State'} eq "on") {
# Check if the state is 'on' and should be disabled.
# In this case there is no entry
# for the sid in the cgiparams hash.
close(FILE);
# Open file for used rulefiles.
- open (FILE, ">$snortusedrulefilesfile") or die "Could not write to $snortusedrulefilesfile. $!\n";
+ open (FILE, ">$idsusedrulefilesfile") or die "Could not write to $idsusedrulefilesfile. $!\n";
+
+ # Write yaml header to the file.
+ print FILE "%YAML 1.1\n";
+ print FILE "---\n\n";
# Write header to file.
print FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
if (@enabled_rulefiles) {
# Loop through the array of rulefiles which should be loaded and write the to the file.
foreach my $file (@enabled_rulefiles) {
- print FILE "include \$RULE_PATH/$file\n";
+ print FILE " - $file\n";
}
}
# Close file after writing.
close(FILE);
+ # Lock the webpage and print message.
+ &working_notice("$Lang::tr{'snort working'}");
+
# Call oinkmaster to alter the ruleset.
- &oinkmaster();
+ &IDS::oinkmaster();
+
+ # Reload page.
+ &reload();
# Download new ruleset.
} elsif ($cgiparams{'RULESET'} eq $Lang::tr{'download new ruleset'}) {
}
# Check if enought free disk space is availabe.
- $errormessage = &IDS::checkdiskspace();
+ if(&IDS::checkdiskspace()) {
+ $errormessage = "$Lang::tr{'not enough disk space'}";
+ }
# Check if any errors happend.
unless ($errormessage) {
- &Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
- &Header::openbigbox('100%', 'left', '', $errormessage);
- &Header::openbox( 'Waiting', 1,);
- print <<END;
- <table>
- <tr>
- <td><img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' /></td>
- <td>$Lang::tr{'snort working'}</td>
- </tr>
- </table>
-END
- &Header::closebox();
- &Header::closebigbox();
- &Header::closepage();
+ # Lock the webpage and print notice about downloading
+ # a new ruleset.
+ &working_notice("$Lang::tr{'snort working'}");
# Call subfunction to download the ruleset.
- $errormessage = &IDS::downloadruleset();
+ if(&IDS::downloadruleset()) {
+ $errormessage = $Lang::tr{'could not download latest updates'};
- # Check if the downloader returned an error.
- if ($errormessage) {
# Call function to store the errormessage.
- &IDS::log_error($errormessage);
+ &IDS::_store_error_message($errormessage);
# Preform a reload of the page.
&reload();
# Go on if there are no error messages.
if (!$errormessage) {
# Store settings into settings file.
- &General::writehash("${General::swroot}/snort/settings", \%cgiparams);
+ &General::writehash("$IDS::settingsdir/settings", \%cgiparams);
- # Call snortctrl to restart snort
- system('/usr/local/bin/snortctrl restart >/dev/null');
+ # Call suricatactrl to restart the IDS
+ system('/usr/local/bin/suricatactrl restart >/dev/null');
}
}
-# Read-in snortsettings
-&General::readhash("${General::swroot}/snort/settings", \%snortsettings);
-
-$checked{'ENABLE_SNORT'}{'off'} = '';
-$checked{'ENABLE_SNORT'}{'on'} = '';
-$checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'";
-$checked{'ENABLE_SNORT_GREEN'}{'off'} = '';
-$checked{'ENABLE_SNORT_GREEN'}{'on'} = '';
-$checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'";
-$checked{'ENABLE_SNORT_BLUE'}{'off'} = '';
-$checked{'ENABLE_SNORT_BLUE'}{'on'} = '';
-$checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'";
-$checked{'ENABLE_SNORT_ORANGE'}{'off'} = '';
-$checked{'ENABLE_SNORT_ORANGE'}{'on'} = '';
-$checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'";
+# Read-in idssettings
+&General::readhash("$IDS::settingsdir/settings", \%idssettings);
+
+$checked{'ENABLE_IDS'}{'off'} = '';
+$checked{'ENABLE_IDS'}{'on'} = '';
+$checked{'ENABLE_IDS'}{$idssettings{'ENABLE_IDS'}} = "checked='checked'";
$selected{'RULES'}{'nothing'} = '';
$selected{'RULES'}{'community'} = '';
$selected{'RULES'}{'emerging'} = '';
$selected{'RULES'}{'registered'} = '';
$selected{'RULES'}{'subscripted'} = '';
-$selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'";
+$selected{'RULES'}{$idssettings{'RULES'}} = "selected='selected'";
&Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
&Header::closebox();
}
+# Draw current state of the IDS
&Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system'});
+# Check if the IDS is running and obtain the process-id.
+my $pid = &IDS::ids_is_running();
+
+# Display some useful information, if suricata daemon is running.
+if ($pid) {
+ # Gather used memory.
+ my $memory = &get_memory_usage($pid);
+
+ print <<END;
+ <table width='95%' cellspacing='0' class='tbl'>
+ <tr>
+ <th bgcolor='$color{'color20'}' colspan='3' align='left'><strong>$Lang::tr{'intrusion detection'}</strong></th>
+ </tr>
+
+ <tr>
+ <td class='base'>$Lang::tr{'guardian daemon'}</td>
+ <td align='center' colspan='2' width='75%' bgcolor='${Header::colourgreen}'><font color='white'><strong>$Lang::tr{'running'}</strong></font></td>
+ </tr>
+
+ <tr>
+ <td class='base'></td>
+ <td bgcolor='$color{'color20'}' align='center'><strong>PID</strong></td>
+ <td bgcolor='$color{'color20'}' align='center'><strong>$Lang::tr{'memory'}</strong></td>
+ </tr>
+
+ <tr>
+ <td class='base'></td>
+ <td bgcolor='$color{'color22'}' align='center'>$pid</td>
+ <td bgcolor='$color{'color22'}' align='center'>$memory KB</td>
+ </tr>
+ </table>
+END
+} else {
+ # Otherwise display a hint that the service is not launched.
+ print <<END;
+ <table width='95%' cellspacing='0' class='tbl'>
+ <tr>
+ <th bgcolor='$color{'color20'}' colspan='3' align='left'><strong>$Lang::tr{'intrusion detection'}</strong></th>
+ </tr>
+
+ <tr>
+ <td class='base'>$Lang::tr{'guardian daemon'}</td>
+ <td align='center' width='75%' bgcolor='${Header::colourred}'><font color='white'><strong>$Lang::tr{'stopped'}</strong></font></td>
+ </tr>
+ </table>
+
+ <br>br>
+END
+}
+&Header::closebox();
+
+# Draw elements for IDS configuration.
+&Header::openbox('100%', 'center', $Lang::tr{'settings'});
+
my $rulesdate;
# Check if a ruleset allready has been downloaded.
<table width='100%' border='0'>
<tr>
<td class='base' width='25%'>
- <input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'}>RED Snort
+ <input type='checkbox' name='ENABLE_IDS' $checked{'ENABLE_IDS'}{'on'}>$Lang::tr{'ids activate'} $Lang::tr{'intrusion detection system'}
+ </td>
+
+ <td class='base' width='25%'>
+  
</td>
+ </tr>
+
+ <tr>
+ <td colspan='2'><br><br>
+ </tr>
+ <tr>
<td class='base' width='25%'>
- <input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'}>GREEN Snort
+ <b>$Lang::tr{'ids analyze incomming traffic'}</b>
</td>
<td class='base' width='25%'>
+ <b>$Lang::tr{'ids analyze routing traffic'}</b>
+ </td>
+ </tr>
END
;
-# Check if a blue device is configured.
-if ($netsettings{'BLUE_DEV'}) {
- print "<input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} />BLUE Snort\n";
-}
+# Loop through the array of available networks and print config options.
+foreach my $zone (@network_zones) {
+ my $checked_input;
+ my $checked_forward;
+
+ # Convert current zone name to upper case.
+ my $zone_upper = uc($zone);
-print "</td>\n";
+ # Grab checkbox status from settings hash.
+ if ($idssettings{"ENABLE_IDS_INPUT_$zone_upper"} eq "on") {
+ $checked_input = "checked = 'checked'";
+ }
+
+ # Do the same for the forward setting.
+ if ($idssettings{"ENABLE_IDS_FORWARD_$zone_upper"} eq "on") {
+ $checked_forward = "checked = 'checked'";
+ }
-print "<td width='25%'>\n";
+ print "<tr>\n";
+ print "<td class='base' width='25%'>\n";
+ print "<input type='checkbox' name='ENABLE_IDS_INPUT_$zone_upper' $checked_input>$Lang::tr{'ids active on'} $Lang::tr{$zone}\n";
+ print "</td>\n";
-# Check if an orange device is configured.
-if ($netsettings{'ORANGE_DEV'}) {
- print "<input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} />ORANGE Snort\n";
+ print "<td class='base' width='25%'>\n";
+ print "<input type='checkbox' name='ENABLE_IDS_FORWARD_$zone_upper' $checked_forward>$Lang::tr{'ids active on'} $Lang::tr{$zone}\n";
+ print "</td>\n";
+ print "</tr>\n";
}
print <<END
- </td>
</tr>
<tr>
</tr>
<tr>
- <td colspan='4' nowrap='nowrap'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}'></td>
+ <td colspan='4' nowrap='nowrap'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$idssettings{'OINKCODE'}'></td>
</tr>
<tr>
my $rulesetcount = 1;
# Loop over each rule file
- foreach my $rulefile (sort keys(%snortrules)) {
+ foreach my $rulefile (sort keys(%idsrules)) {
my $rulechecked = '';
# Check if rule file is enabled
- if ($snortrules{$rulefile}{'Rulefile'}{'State'} eq 'on') {
+ if ($idsrules{$rulefile}{'Rulefile'}{'State'} eq 'on') {
$rulechecked = 'CHECKED';
}
print "<table width='100%'>\n";
# Loop over rule file rules
- foreach my $sid (sort {$a <=> $b} keys(%{$snortrules{$rulefile}})) {
+ foreach my $sid (sort {$a <=> $b} keys(%{$idsrules{$rulefile}})) {
# Local vars
my $ruledefchecked = '';
}
# Set rule state
- if ($snortrules{$rulefile}{$sid}{'State'} eq 'on') {
+ if ($idsrules{$rulefile}{$sid}{'State'} eq 'on') {
$ruledefchecked = 'CHECKED';
}
print "<td class='base' width='5%' align='right' $col>\n";
print "<input type='checkbox' NAME='$sid' $ruledefchecked>\n";
print "</td>\n";
- print "<td class='base' width='45%' $col>$snortrules{$rulefile}{$sid}{'Description'}</td>";
+ print "<td class='base' width='45%' $col>$idsrules{$rulefile}{$sid}{'Description'}</td>";
# Increment rule count
$lines++;
&Header::closebigbox();
&Header::closepage();
+#
+## A function to display a notice, to lock the webpage and
+## tell the user which action currently will be performed.
+#
+sub working_notice ($) {
+ my ($message) = @_;
+
+ &Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
+ &Header::openbigbox('100%', 'left', '', $errormessage);
+ &Header::openbox( 'Waiting', 1,);
+ print <<END;
+ <table>
+ <tr>
+ <td><img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' /></td>
+ <td>$message</td>
+ </tr>
+ </table>
+END
+ &Header::closebox();
+ &Header::closebigbox();
+ &Header::closepage();
+}
+
#
## A tiny function to perform a reload of the webpage after one second.
#
## Private function to read-in and parse rules of a given rulefile.
#
## The given file will be read, parsed and all valid rules will be stored by ID,
-## message/description and it's state in the snortrules hash.
+## message/description and it's state in the idsrules hash.
#
sub readrulesfile ($) {
my $rulefile = shift;
# Open rule file and read in contents
- open(RULEFILE, "$snortrulepath/$rulefile") or die "Unable to read $rulefile!";
+ open(RULEFILE, "$IDS::rulespath/$rulefile") or die "Unable to read $rulefile!";
# Store file content in an array.
my @lines = <RULEFILE>;
# Check if a rule has been found.
if ($sid && $msg) {
- # Add rule to the snortrules hash.
- $snortrules{$rulefile}{$sid}{'Description'} = $msg;
+ # Add rule to the idsrules hash.
+ $idsrules{$rulefile}{$sid}{'Description'} = $msg;
# Grab status of the rule. Check if ruleline starts with a "dash".
if ($line =~ /^\#/) {
# If yes, the rule is disabled.
- $snortrules{$rulefile}{$sid}{'State'} = "off";
+ $idsrules{$rulefile}{$sid}{'State'} = "off";
} else {
# Otherwise the rule is enabled.
- $snortrules{$rulefile}{$sid}{'State'} = "on";
+ $idsrules{$rulefile}{$sid}{'State'} = "on";
}
}
}
}
}
+
+# Function to get the used memory of a given process-id.
+sub get_memory_usage($) {
+ my $pid = @_;
+
+ my $memory=0;
+
+ # Try to open statm file for the given process-id on the pseudo
+ # file system proc.
+ if (open(FILE, "/proc/$pid/statm")) {
+ # Read file content.
+ my $temp = <FILE>;
+
+ # Splitt file content and store in an array.
+ my @memory = split(/ /,$temp);
+
+ # Close file handle.
+ close(FILE);
+
+ # Calculate memory usage.
+ $memory+=$memory[0];
+
+ # Return memory usage.
+ return $memory;
+ }
+
+ # If the file could not be open, return nothing.
+ return;
+}
+
projects / ipfire-2.x.git / blobdiff