my %color = ();
my %mainsettings = ();
-my %netsettings = ();
my %idsrules = ();
-my %snortsettings=();
+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();
+
+# File where the used rulefiles are stored.
+my $idsusedrulefilesfile = "$IDS::settingsdir/suricata-used-rulefiles.yaml";
+
+# File where the addresses of the homenet are stored.
+my $idshomenetfile = "$IDS::settingsdir/suricata-homenet.yaml";
+
+# File which contains the enabled sids.
+my $enabled_sids_file = "$IDS::settingsdir/oinkmaster-enabled-sids.conf";
+
+# File which contains the disabled sids.
+my $disabled_sids_file = "$IDS::settingsdir/oinkmaster-disabled-sids.conf";
+
+# File which contains wheater the rules should be changed.
+my $modify_sids_file = "$IDS::settingsdir/oinkmaster-modify-sids.conf";
-my $snortrulepath = "/etc/snort/rules";
-my $snortusedrulefilesfile = "${General::swroot}/snort/snort-used-rulefiles.conf";
my $errormessage;
-&Header::showhttpheaders();
+# Create files if they does not exist yet.
+unless (-f "$enabled_sids_file") { &IDS::create_empty_file($enabled_sids_file); }
+unless (-f "$disabled_sids_file") { &IDS::create_empty_file($disabled_sids_file); }
+unless (-f "$modify_sids_file") { &IDS::create_empty_file($modify_sids_file); }
+unless (-f "$idsusedrulefilesfile") { &IDS::create_empty_file($idsusedrulefilesfile); }
-# Default settings for snort.
-$snortsettings{'ENABLE_SNORT'} = 'off';
-$snortsettings{'ENABLE_SNORT_GREEN'} = 'off';
-$snortsettings{'ENABLE_SNORT_BLUE'} = 'off';
-$snortsettings{'ENABLE_SNORT_ORANGE'} = 'off';
-$snortsettings{'RULES'} = '';
-$snortsettings{'OINKCODE'} = '';
+&Header::showhttpheaders();
#Get GUI values
&Header::getcgihash(\%cgiparams);
## 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 idsrules hash.
# 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 = $1;
# Add the rulefile to the %idsrules hash.
# Save ruleset.
if ($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";
-
- # Arrays to store sid which should be added to the corresponding files.
- my @enabled_sids;
- my @disabled_sids;
+ # Arrays to store which rulefiles have been enabled and will be used.
my @enabled_rulefiles;
+ # Hash to store the user-enabled and disabled sids.
+ my %enabled_disabled_sids;
+
# Loop through the hash of idsrules.
foreach my $rulefile(keys %idsrules) {
# Check if the rulefile is enabled.
}
}
+ # Read-in the files for enabled/disabled sids.
+ # This will be done by calling the read_enabled_disabled_sids_file function two times
+ # and merge the returned hashes together into the enabled_disabled_sids hash.
+ %enabled_disabled_sids = (
+ &read_enabled_disabled_sids_file($disabled_sids_file),
+ &read_enabled_disabled_sids_file($enabled_sids_file));
+
# Loop through the hash of idsrules.
foreach my $rulefile (keys %idsrules) {
# Loop through the single rules of the rulefile.
if ($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.
- push(@enabled_sids, $sid);
+ # Add/Modify the sid to/in the enabled_disabled_sids hash.
+ $enabled_disabled_sids{$sid} = "enabled";
# Drop item from cgiparams hash.
delete $cgiparams{$rulefile}{$sid};
# Check if the state is 'on' and should be disabled.
# In this case there is no entry
# for the sid in the cgiparams hash.
- # Add it to the disabled_sids array.
- push(@disabled_sids, $sid);
+ # Add/Modify it to/in the enabled_disabled_sids hash.
+ $enabled_disabled_sids{$sid} = "disabled";
# Drop item from cgiparams hash.
delete $cgiparams{$rulefile}{$sid};
}
# Open enabled sid's file for writing.
- open(FILE, ">$enabled_sids_file") or die "Could not write to $enabled_sids_file. $!\n";
-
- # Write header to file.
- print FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
-
- # Check if the enabled_sids array contains any sid's.
- if (@enabled_sids) {
- # Loop through the array of enabled sids and write them to the file.
- foreach my $sid (@enabled_sids) {
- print FILE "enablesid $sid\n";
- }
- }
-
- # Close file after writing.
- close(FILE);
+ open(ENABLED_FILE, ">$enabled_sids_file") or die "Could not write to $enabled_sids_file. $!\n";
# Open disabled sid's file for writing.
- open(FILE, ">$disabled_sids_file") or die "Could not write to $disabled_sids_file. $!\n";
-
- # Write header to file.
- print FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
-
- # Check if the enabled_sids array contains any sid's.
- if (@disabled_sids) {
- # Loop through the array of disabled sids and write them to the file.
- foreach my $sid (@disabled_sids) {
- print FILE "disablesid $sid\n";
+ open(DISABLED_FILE, ">$disabled_sids_file") or die "Could not write to $disabled_sids_file. $!\n";
+
+ # Write header to the files.
+ print ENABLED_FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
+ print DISABLED_FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
+
+ # Check if the hash for enabled/disabled files contains any entries.
+ if (%enabled_disabled_sids) {
+ # Loop through the hash.
+ foreach my $sid (keys %enabled_disabled_sids) {
+ # Check if the sid is enabled.
+ if ($enabled_disabled_sids{$sid} eq "enabled") {
+ # Print the sid to the enabled_sids file.
+ print ENABLED_FILE "enablesid $sid\n";
+ # Check if the sid is disabled.
+ } elsif ($enabled_disabled_sids{$sid} eq "disabled") {
+ # Print the sid to the disabled_sids file.
+ print DISABLED_FILE "disablesid $sid\n";
+ # Something strange happende - skip the current sid.
+ } else {
+ next;
+ }
}
}
- # Close file after writing.
- close(FILE);
+ # Close file for enabled_sids after writing.
+ close(ENABLED_FILE);
+
+ # Close file for disabled_sids after writing.
+ close(DISABLED_FILE);
# Open file for used rulefiles.
- open (FILE, ">$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";
}
}
# Call oinkmaster to alter the ruleset.
&IDS::oinkmaster();
+ # Check if the IDS is running.
+ if(&IDS::ids_is_running()) {
+ # Call suricatactrl to perform a reload.
+ &IDS::call_suricatactrl("reload");
+ }
+
# Reload page.
&reload();
}
# 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 ($errormessage) {
&working_notice("$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();
# Call subfunction to launch oinkmaster.
&IDS::oinkmaster();
+ # Check if the IDS is running.
+ if(&IDS::ids_is_running()) {
+ # Call suricatactrl to perform a reload.
+ &IDS::call_suricatactrl("reload");
+ }
+
# Perform a reload of the page.
&reload();
}
}
# Save snort settings.
-} elsif ($cgiparams{'SNORT'} eq $Lang::tr{'save'}) {
+} elsif ($cgiparams{'IDS'} eq $Lang::tr{'save'}) {
+ my %oldidssettings;
+ my $reload_page;
+
+ # Read-in current (old) IDS settings.
+ &General::readhash("$IDS::settingsdir/settings", \%oldidssettings);
+
# Prevent form name from been stored in conf file.
- delete $cgiparams{'SNORT'};
+ delete $cgiparams{'IDS'};
# Check if an oinkcode has been provided.
if ($cgiparams{'OINKCODE'}) {
# Go on if there are no error messages.
if (!$errormessage) {
# Store settings into settings file.
- &General::writehash("${General::swroot}/snort/settings", \%cgiparams);
+ &General::writehash("$IDS::settingsdir/settings", \%cgiparams);
+ }
+
+ # Generate file to store the home net.
+ &generate_home_net_file();
+
+ # Open modify sid's file for writing.
+ open(FILE, ">$modify_sids_file") or die "Could not write to $modify_sids_file. $!\n";
+
+ # Write file header.
+ print FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
+
+ # Check if the configured runmode is IPS.
+ if ($cgiparams{'RUN_MODE'} eq 'IPS') {
+ # Tell oinkmaster to switch all rules from alert to drop.
+ print FILE "modifysid \* \"alert\" \| \"drop\"\n";
+ }
+
+ # Close file handle.
+ close(FILE);
+
+ # Check if the runmode has been changed.
+ if($cgiparams{'RUN_MODE'} ne $oldidssettings{'RUN_MODE'}) {
+ # Check if a ruleset exists.
+ if (%idsrules) {
+ # Lock the webpage and print message.
+ &working_notice("$Lang::tr{'snort working'}");
+
+ # Call oinkmaster to alter the ruleset.
+ &IDS::oinkmaster();
- # Call snortctrl to restart snort
- system('/usr/local/bin/snortctrl restart >/dev/null');
+ # Set reload_page to "True".
+ $reload_page="True";
+ }
+ }
+
+ # Check if the IDS currently is running.
+ if(&IDS::ids_is_running()) {
+ # Check if ENABLE_IDS is set to on.
+ if($cgiparams{'ENABLE_IDS'} eq "on") {
+ # Call suricatactrl to perform a reload of suricata.
+ &IDS::call_suricatactrl("reload");
+ } else {
+ # Call suricatactrl to stop suricata.
+ &IDS::call_suricatactrl("stop");
+ }
+ } else {
+ # Call suricatactrl to start suricata.
+ &IDS::call_suricatactrl("start");
}
+
+ # Check if the page should be reloaded.
+ if ($reload_page) {
+ # Perform a reload of the page.
+ &reload();
+ }
+}
+
+# Read-in idssettings
+&General::readhash("$IDS::settingsdir/settings", \%idssettings);
+
+# If the runmode has not been configured yet, set default value.
+unless(exists($idssettings{'RUN_MODE'})) {
+ # Set default to IPS.
+ $idssettings{'RUN_MODE'} = 'IPS';
}
-# Read-in snortsettings
-&General::readhash("${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'";
+$checked{'ENABLE_IDS'}{'off'} = '';
+$checked{'ENABLE_IDS'}{'on'} = '';
+$checked{'ENABLE_IDS'}{$idssettings{'ENABLE_IDS'}} = "checked='checked'";
+$checked{'RUN_MODE'}{'IDS'} = '';
+$checked{'RUN_MODE'}{'IPS'} = '';
+$checked{'RUN_MODE'}{$idssettings{'RUN_MODE'}} = "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>
+END
+}
+&Header::closebox();
+
+# Draw elements for IDS configuration.
+&Header::openbox('100%', 'center', $Lang::tr{'settings'});
+
my $rulesdate;
# Check if a ruleset allready has been downloaded.
<form method='post' action='$ENV{'SCRIPT_NAME'}'>
<table width='100%' border='0'>
<tr>
- <td class='base' width='25%'>
- <input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'}>RED Snort
+ <td class='base' colspan='4'>
+ <input type='checkbox' name='ENABLE_IDS' $checked{'ENABLE_IDS'}{'on'}>$Lang::tr{'ids activate'} $Lang::tr{'intrusion detection system'}
</td>
+ </tr>
+
+ <tr>
+ <td colspan='4'><br><br></td>
+ </tr>
- <td class='base' width='25%'>
- <input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'}>GREEN Snort
+ <tr>
+ <td class='base' colspan='4'><b>$Lang::tr{'runmode'}</b></td>
+ </tr>
+
+ <tr>
+ <td class='base' colspan='4'>
+ <input type='radio' name='RUN_MODE' value='IDS' $checked{'RUN_MODE'}{'IDS'}>$Lang::tr{'intrusion detection system2'}    
+ <input type='radio' name='RUN_MODE' value='IPS' $checked{'RUN_MODE'}{'IPS'}>$Lang::tr{'intrusion prevention system'}
</td>
+ </tr>
- <td class='base' width='25%'>
+ <tr>
+ <td colspan='4'><br></td>
+ </tr>
+
+ <tr>
+ <td colspan='4'><b>$Lang::tr{'ids traffic analyze'}</b><br></td>
+ </tr>
+
+ <tr>
END
;
-# Check if a blue device is configured.
-if ($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;
-print "</td>\n";
+ # Convert current zone name to upper case.
+ my $zone_upper = uc($zone);
-print "<td width='25%'>\n";
+ # Grab checkbox status from settings hash.
+ if ($idssettings{"ENABLE_IDS_$zone_upper"} eq "on") {
+ $checked_input = "checked = 'checked'";
+ }
-# Check if an orange device is configured.
-if ($netsettings{'ORANGE_DEV'}) {
- print "<input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} />ORANGE Snort\n";
+ print "<td class='base' width='25%'>\n";
+ print "<input type='checkbox' name='ENABLE_IDS_$zone_upper' $checked_input>$Lang::tr{'enabled on'} $Lang::tr{$zone}\n";
+ print "</td>\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>
<table width='100%'>
<tr>
- <td align='right'><input type='submit' name='SNORT' value='$Lang::tr{'save'}' /></td>
+ <td align='right'><input type='submit' name='IDS' value='$Lang::tr{'save'}' /></td>
</tr>
</table>
</form>
&Header::closebox();
-&Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'});
- print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n";
+# Only show the section for configuring the ruleset if one is present.
+if (%idsrules) {
+ &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'});
- # Output display table for rule files
- print "<table width='100%'>\n";
+ print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n";
- # Local variable required for java script to show/hide
- # rules of a rulefile.
- my $rulesetcount = 1;
+ # Output display table for rule files
+ print "<table width='100%'>\n";
- # Loop over each rule file
- foreach my $rulefile (sort keys(%idsrules)) {
- my $rulechecked = '';
+ # Local variable required for java script to show/hide
+ # rules of a rulefile.
+ my $rulesetcount = 1;
- # Check if rule file is enabled
- if ($idsrules{$rulefile}{'Rulefile'}{'State'} eq 'on') {
- $rulechecked = 'CHECKED';
- }
+ # Loop over each rule file
+ foreach my $rulefile (sort keys(%idsrules)) {
+ my $rulechecked = '';
- # Table and rows for the rule files.
- print"<tr>\n";
- print"<td class='base' width='5%'>\n";
- print"<input type='checkbox' name='$rulefile' $rulechecked>\n";
- print"</td>\n";
- print"<td class='base' width='90%'><b>$rulefile</b></td>\n";
- print"<td class='base' width='5%' align='right'>\n";
- print"<a href=\"javascript:showhide('ruleset$rulesetcount')\">SHOW</a>\n";
- print"</td>\n";
- print"</tr>\n";
-
- # Rows which will be hidden per default and will contain the single rules.
- print"<tr style='display:none' id='ruleset$rulesetcount'>\n";
- print"<td colspan='3'>\n";
-
- # Local vars
- my $lines;
- my $rows;
- my $col;
-
- # New table for the single rules.
- print "<table width='100%'>\n";
+ # Check if rule file is enabled
+ if ($idsrules{$rulefile}{'Rulefile'}{'State'} eq 'on') {
+ $rulechecked = 'CHECKED';
+ }
+
+ # Table and rows for the rule files.
+ print"<tr>\n";
+ print"<td class='base' width='5%'>\n";
+ print"<input type='checkbox' name='$rulefile' $rulechecked>\n";
+ print"</td>\n";
+ print"<td class='base' width='90%'><b>$rulefile</b></td>\n";
+ print"<td class='base' width='5%' align='right'>\n";
+ print"<a href=\"javascript:showhide('ruleset$rulesetcount')\">SHOW</a>\n";
+ print"</td>\n";
+ print"</tr>\n";
+
+ # Rows which will be hidden per default and will contain the single rules.
+ print"<tr style='display:none' id='ruleset$rulesetcount'>\n";
+ print"<td colspan='3'>\n";
- # Loop over rule file rules
- foreach my $sid (sort {$a <=> $b} keys(%{$idsrules{$rulefile}})) {
# Local vars
- my $ruledefchecked = '';
+ my $lines;
+ my $rows;
+ my $col;
- # Skip rulefile itself.
- next if ($sid eq "Rulefile");
+ # New table for the single rules.
+ print "<table width='100%'>\n";
- # If 2 rules have been displayed, start a new row
- if (($lines % 2) == 0) {
- print "</tr><tr>\n";
+ # Loop over rule file rules
+ foreach my $sid (sort {$a <=> $b} keys(%{$idsrules{$rulefile}})) {
+ # Local vars
+ my $ruledefchecked = '';
- # Increase rows by once.
- $rows++;
- }
+ # Skip rulefile itself.
+ next if ($sid eq "Rulefile");
- # Colour lines.
- if ($rows % 2) {
- $col="bgcolor='$color{'color20'}'";
- } else {
- $col="bgcolor='$color{'color22'}'";
- }
+ # If 2 rules have been displayed, start a new row
+ if (($lines % 2) == 0) {
+ print "</tr><tr>\n";
- # Set rule state
- if ($idsrules{$rulefile}{$sid}{'State'} eq 'on') {
- $ruledefchecked = 'CHECKED';
+ # Increase rows by once.
+ $rows++;
+ }
+
+ # Colour lines.
+ if ($rows % 2) {
+ $col="bgcolor='$color{'color20'}'";
+ } else {
+ $col="bgcolor='$color{'color22'}'";
+ }
+
+ # Set rule state
+ if ($idsrules{$rulefile}{$sid}{'State'} eq 'on') {
+ $ruledefchecked = 'CHECKED';
+ }
+
+ # Create rule checkbox and display rule description
+ 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%' $col>$idsrules{$rulefile}{$sid}{'Description'}</td>";
+
+ # Increment rule count
+ $lines++;
}
- # Create rule checkbox and display rule description
- 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%' $col>$idsrules{$rulefile}{$sid}{'Description'}</td>";
+ # If do not have a second rule for row, create empty cell
+ if (($lines % 2) != 0) {
+ print "<td class='base'></td>";
+ }
- # Increment rule count
- $lines++;
- }
+ # Close display table
+ print "</tr></table></td></tr>";
- # If do not have a second rule for row, create empty cell
- if (($lines % 2) != 0) {
- print "<td class='base'></td>";
+ # Finished whith the rule file, increase count.
+ $rulesetcount++;
}
# Close display table
- print "</tr></table></td></tr>";
-
- # Finished whith the rule file, increase count.
- $rulesetcount++;
- }
-
- # Close display table
- print "</table>";
+ print "</table>";
print <<END
<table width='100%'>
</form>
END
;
-&Header::closebox();
+ &Header::closebox();
+}
+
&Header::closebigbox();
&Header::closepage();
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 $rulefile!";
# Store file content in an array.
my @lines = <RULEFILE>;
}
}
}
+
+#
+## Function to get the used memory of a given process-id.
+#
+sub get_memory_usage($) {
+ my ($pid) = @_;
+
+ my $memory = 0;
+
+ # Try to open the status file for the given process-id on the pseudo
+ # file system proc.
+ if (open(FILE, "/proc/$pid/status")) {
+ # Loop through the entire file.
+ while (<FILE>) {
+ # Splitt current line content and store them into variables.
+ my ($key, $value) = split(":", $_, 2);
+
+ # Check if the current key is the one which contains the memory usage.
+ # The wanted one is VmRSS which contains the Real-memory (resident set)
+ # of the entire process.
+ if ($key eq "VmRSS") {
+ # Found the memory usage add it to the memory variable.
+ $memory += $value;
+
+ # Break the loop.
+ last;
+ }
+ }
+
+ # Close file handle.
+ close(FILE);
+
+ # Return memory usage.
+ return $memory;
+ }
+
+ # If the file could not be open, return nothing.
+ return;
+}
+
+#
+## Function to generate the file which contains the home net information.
+#
+sub generate_home_net_file() {
+ my %netsettings;
+
+ # Read-in network settings.
+ &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
+
+ # Get available network zones.
+ my @network_zones = &IDS::get_available_network_zones();
+
+ # Temporary array to store network address and prefix of the configured
+ # networks.
+ my @networks;
+
+ # Loop through the array of available network zones.
+ foreach my $zone (@network_zones) {
+ # Skip the red network - It never can be part to the home_net!
+ next if($zone eq "red");
+
+ # Convert current zone name into upper case.
+ $zone = uc($zone);
+
+ # Generate key to access the required data from the netsettings hash.
+ my $zone_netaddress = $zone . "_NETADDRESS";
+ my $zone_netmask = $zone . "_NETMASK";
+
+ # Obtain the settings from the netsettings hash.
+ my $netaddress = $netsettings{$zone_netaddress};
+ my $netmask = $netsettings{$zone_netmask};
+
+ # Convert the subnetmask into prefix notation.
+ my $prefix = &Network::convert_netmask2prefix($netmask);
+
+ # Generate full network string.
+ my $network = join("/", $netaddress,$prefix);
+
+ # Check if the network is valid.
+ if(&Network::check_subnet($network)) {
+ # Add the generated network to the array of networks.
+ push(@networks, $network);
+ }
+ }
+
+ # Format home net declaration.
+ my $line = "\"\[";
+
+ # Loop through the array of networks.
+ foreach my $network (@networks) {
+ # Add the network to the line.
+ $line = "$line" . "$network";
+
+ # Check if the current network was the last in the array.
+ if ($network eq $networks[-1]) {
+ # Close the line.
+ $line = "$line" . "\]\"";
+ } else {
+ # Add "," for the next network.
+ $line = "$line" . "\,";
+ }
+ }
+
+ # Open file to store the addresses of the home net.
+ open(FILE, ">$idshomenetfile") or die "Could not open $idshomenetfile. $!\n";
+
+ # Print yaml header.
+ print FILE "%YAML 1.1\n";
+ print FILE "---\n\n";
+
+ # Print notice about autogenerated file.
+ print FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
+
+ # Print the generated and required HOME_NET declaration to the file.
+ print FILE "HOME_NET:\t$line\n";
+
+ # Close file handle.
+ close(FILE);
+
+}
+
+#
+## Function to read-in the given enabled or disables sids file.
+#
+sub read_enabled_disabled_sids_file($) {
+ my ($file) = @_;
+
+ # Temporary hash to store the sids and their state. It will be
+ # returned at the end of this function.
+ my %temphash;
+
+ # Open the given filename.
+ open(FILE, "$file") or die "Could not open $file. $!\n";
+
+ # Loop through the file.
+ while(<FILE>) {
+ # Remove newlines.
+ chomp $_;
+
+ # Skip blank lines.
+ next if ($_ =~ /^\s*$/);
+
+ # Skip coments.
+ next if ($_ =~ /^\#/);
+
+ # Splitt line into sid and state part.
+ my ($state, $sid) = split(" ", $_);
+
+ # Skip line if the sid is not numeric.
+ next unless ($sid =~ /\d+/ );
+
+ # Check if the sid was enabled.
+ if ($state eq "enablesid") {
+ # Add the sid and its state as enabled to the temporary hash.
+ $temphash{$sid} = "enabled";
+ # Check if the sid was disabled.
+ } elsif ($state eq "disablesid") {
+ # Add the sid and its state as disabled to the temporary hash.
+ $temphash{$sid} = "disabled";
+ # Invalid state - skip the current sid and state.
+ } else {
+ next;
+ }
+ }
+
+ # Close filehandle.
+ close(FILE);
+
+ # Return the hash.
+ return %temphash;
+}
projects / ipfire-2.x.git / blobdiff