my %mainsettings = ();
my %idsrules = ();
my %idssettings=();
+my %rulessettings=();
my %rulesetsources = ();
my %cgiparams=();
my %checked=();
my %selected=();
+my %ignored=();
# Read-in main settings, for language, theme and colors.
&General::readhash("${General::swroot}/main/settings", \%mainsettings);
# File which contains wheater the rules should be changed.
my $modify_sids_file = "$IDS::settingsdir/oinkmaster-modify-sids.conf";
+# File which stores the configured IPS settings.
+my $idssettingsfile = "$IDS::settingsdir/settings";
+
+# File which stores the configured rules-settings.
+my $rulessettingsfile = "$IDS::settingsdir/rules-settings";
+
+# File which stores the configured settings for whitelisted addresses.
+my $ignoredfile = "$IDS::settingsdir/ignored";
+
+# File which contains the rules to whitelist addresses on suricata.
+my $whitelistfile = "$IDS::rulespath/whitelist.rules";
+
my $errormessage;
-# Create oinkmaster related files if they does not exist yet.
+# Create files if they does not exist yet.
unless (-f "$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($idsusedrulefilesfile); }
+unless (-f "$idssettingsfile") { &IDS::create_empty_file($idssettingsfile); }
+unless (-f "$rulessettingsfile") { &IDS::create_empty_file($rulessettingsfile); }
+unless (-f "$ignoredfile") { &IDS::create_empty_file($ignoredfile); }
+unless (-f "$whitelistfile" ) { &IDS::create_empty_file($whitelistfile); }
&Header::showhttpheaders();
#Get GUI values
&Header::getcgihash(\%cgiparams);
+## Add/edit an entry to the ignore file.
+#
+if (($cgiparams{'WHITELIST'} eq $Lang::tr{'add'}) || ($cgiparams{'WHITELIST'} eq $Lang::tr{'update'})) {
+
+ # Check if any input has been performed.
+ if ($cgiparams{'IGNORE_ENTRY_ADDRESS'} ne '') {
+
+ # Check if the given input is no valid IP-address or IP-address with subnet, display an error message.
+ if ((!&General::validip($cgiparams{'IGNORE_ENTRY_ADDRESS'})) && (!&General::validipandmask($cgiparams{'IGNORE_ENTRY_ADDRESS'}))) {
+ $errormessage = "$Lang::tr{'guardian invalid address or subnet'}";
+ }
+ } else {
+ $errormessage = "$Lang::tr{'guardian empty input'}";
+ }
+
+ # Go further if there was no error.
+ if ($errormessage eq '') {
+ my %ignored = ();
+ my $id;
+ my $status;
+
+ # Assign hash values.
+ my $new_entry_address = $cgiparams{'IGNORE_ENTRY_ADDRESS'};
+ my $new_entry_remark = $cgiparams{'IGNORE_ENTRY_REMARK'};
+
+ # Read-in ignoredfile.
+ &General::readhasharray($ignoredfile, \%ignored);
+
+ # Check if we should edit an existing entry and got an ID.
+ if (($cgiparams{'WHITELIST'} eq $Lang::tr{'update'}) && ($cgiparams{'ID'})) {
+ # Assin the provided id.
+ $id = $cgiparams{'ID'};
+
+ # Undef the given ID.
+ undef($cgiparams{'ID'});
+
+ # Grab the configured status of the corresponding entry.
+ $status = $ignored{$id}[2];
+ } else {
+ # Each newly added entry automatically should be enabled.
+ $status = "enabled";
+
+ # Generate the ID for the new entry.
+ #
+ # Sort the keys by their ID and store them in an array.
+ my @keys = sort { $a <=> $b } keys %ignored;
+
+ # Reverse the key array.
+ my @reversed = reverse(@keys);
+
+ # Obtain the last used id.
+ my $last_id = @reversed[0];
+
+ # Increase the last id by one and use it as id for the new entry.
+ $id = ++$last_id;
+ }
+
+ # Add/Modify the entry to/in the ignored hash.
+ $ignored{$id} = ["$new_entry_address", "$new_entry_remark", "$status"];
+
+ # Write the changed ignored hash to the ignored file.
+ &General::writehasharray($ignoredfile, \%ignored);
+
+ # Regenerate the ignore file.
+ &GenerateIgnoreFile();
+ }
+
+ # Check if the IDS is running.
+ if(&IDS::ids_is_running()) {
+ # Call suricatactrl to perform a reload.
+ &IDS::call_suricatactrl("reload");
+ }
+
+## Toggle Enabled/Disabled for an existing entry on the ignore list.
+#
+
+} elsif ($cgiparams{'WHITELIST'} eq $Lang::tr{'toggle enable disable'}) {
+ my %ignored = ();
+
+ # Only go further, if an ID has been passed.
+ if ($cgiparams{'ID'}) {
+ # Assign the given ID.
+ my $id = $cgiparams{'ID'};
+
+ # Undef the given ID.
+ undef($cgiparams{'ID'});
+
+ # Read-in ignoredfile.
+ &General::readhasharray($ignoredfile, \%ignored);
+
+ # Grab the configured status of the corresponding entry.
+ my $status = $ignored{$id}[2];
+
+ # Switch the status.
+ if ($status eq "disabled") {
+ $status = "enabled";
+ } else {
+ $status = "disabled";
+ }
+
+ # Modify the status of the existing entry.
+ $ignored{$id} = ["$ignored{$id}[0]", "$ignored{$id}[1]", "$status"];
+
+ # Write the changed ignored hash to the ignored file.
+ &General::writehasharray($ignoredfile, \%ignored);
+
+ # Regenerate the ignore file.
+ &GenerateIgnoreFile();
+
+ # Check if the IDS is running.
+ if(&IDS::ids_is_running()) {
+ # Call suricatactrl to perform a reload.
+ &IDS::call_suricatactrl("reload");
+ }
+ }
+
+## Remove entry from ignore list.
+#
+} elsif ($cgiparams{'WHITELIST'} eq $Lang::tr{'remove'}) {
+ my %ignored = ();
+
+ # Read-in ignoredfile.
+ &General::readhasharray($ignoredfile, \%ignored);
+
+ # Drop entry from the hash.
+ delete($ignored{$cgiparams{'ID'}});
+
+ # Undef the given ID.
+ undef($cgiparams{'ID'});
+
+ # Write the changed ignored hash to the ignored file.
+ &General::writehasharray($ignoredfile, \%ignored);
+
+ # Regenerate the ignore file.
+ &GenerateIgnoreFile();
+
+ # Check if the IDS is running.
+ if(&IDS::ids_is_running()) {
+ # Call suricatactrl to perform a reload.
+ &IDS::call_suricatactrl("reload");
+ }
+}
+
# Check if any error has been stored.
if (-e $IDS::storederrorfile) {
# Open file to read in the stored error message.
# Ignore files which are not read-able.
next unless (-R "$IDS::rulespath/$file");
+ # Skip whitelist rules file.
+ next if( $file eq "whitelist.rules");
+
# Call subfunction to read-in rulefile and add rules to
# the idsrules hash.
&readrulesfile("$file");
if ($line =~ /.*- (.*)/) {
my $rulefile = $1;
- # Add the rulefile to the %idsrules hash.
- $idsrules{$rulefile}{'Rulefile'}{'State'} = "on";
+ # Check if the current rulefile exists in the %idsrules hash.
+ # If not, the file probably does not exist anymore or contains
+ # no rules.
+ if($idsrules{$rulefile}) {
+ # Add the rulefile state to the %idsrules hash.
+ $idsrules{$rulefile}{'Rulefile'}{'State'} = "on";
+ }
}
}
}
+# Save ruleset configuration.
+if ($cgiparams{'RULESET'} eq $Lang::tr{'save'}) {
+ my %oldsettings;
+
+ # Read-in current (old) IDS settings.
+ &General::readhash("$rulessettingsfile", \%oldsettings);
+
+ # Prevent form name from been stored in conf file.
+ delete $cgiparams{'RULESET'};
+
+ # Check if an oinkcode has been provided.
+ if ($cgiparams{'OINKCODE'}) {
+ # Check if the oinkcode contains unallowed chars.
+ unless ($cgiparams{'OINKCODE'} =~ /^[a-z0-9]+$/) {
+ $errormessage = $Lang::tr{'invalid input for oink code'};
+ }
+ }
+
+ # Go on if there are no error messages.
+ if (!$errormessage) {
+ # Store settings into settings file.
+ &General::writehash("$rulessettingsfile", \%cgiparams);
+ }
+
+ # Check if the the automatic rule update hass been touched.
+ if($cgiparams{'AUTOUPDATE_INTERVAL'} ne $oldsettings{'AUTOUPDATE_INTERVAL'}) {
+ # Call suricatactrl to set the new interval.
+ &IDS::call_suricatactrl("cron", $cgiparams{'AUTOUPDATE_INTERVAL'});
+ }
+
# Save ruleset.
-if ($cgiparams{'RULESET'} eq $Lang::tr{'update'}) {
+} elsif ($cgiparams{'RULESET'} eq $Lang::tr{'update'}) {
# Arrays to store which rulefiles have been enabled and will be used.
my @enabled_rulefiles;
# Write header to file.
print FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
+ # Allways load the whitelist.
+ print FILE " - whitelist.rules\n";
+
# Check if the enabled_rulefiles array contains any entries.
if (@enabled_rulefiles) {
- # Loop through the array of rulefiles which should be loaded and write the to the file.
+ # Loop through the array of rulefiles which should be loaded and write them to the file.
foreach my $file (@enabled_rulefiles) {
print FILE " - $file\n";
}
} elsif ($cgiparams{'IDS'} eq $Lang::tr{'save'}) {
my %oldidssettings;
my $reload_page;
+ my $monitored_zones = 0;
# Read-in current (old) IDS settings.
- &General::readhash("$IDS::settingsdir/settings", \%oldidssettings);
+ &General::readhash("$idssettingsfile", \%oldidssettings);
# Prevent form name from been stored in conf file.
delete $cgiparams{'IDS'};
- # Check if an oinkcode has been provided.
- if ($cgiparams{'OINKCODE'}) {
- # Check if the oinkcode contains unallowed chars.
- unless ($cgiparams{'OINKCODE'} =~ /^[a-z0-9]+$/) {
- $errormessage = $Lang::tr{'invalid input for oink code'};
+ # Check if the IDS should be enabled.
+ if ($cgiparams{'ENABLE_IDS'} eq "on") {
+ # Check if any ruleset is available. Otherwise abort and display an error.
+ unless(%idsrules) {
+ $errormessage = $Lang::tr{'ids no ruleset available'};
+ }
+
+ # Loop through the array of available interfaces.
+ foreach my $zone (@network_zones) {
+ # Convert interface name into upper case.
+ my $zone_upper = uc($zone);
+
+ # Check if the IDS is enabled for this interaces.
+ if ($cgiparams{"ENABLE_IDS_$zone_upper"}) {
+ # Increase count.
+ $monitored_zones++;
+ }
+ }
+
+ # Check if at least one zone should be monitored, or show an error.
+ unless ($monitored_zones >= 1) {
+ $errormessage = $Lang::tr{'ids no network zone'};
}
}
# Go on if there are no error messages.
if (!$errormessage) {
# Store settings into settings file.
- &General::writehash("$IDS::settingsdir/settings", \%cgiparams);
+ &General::writehash("$idssettingsfile", \%cgiparams);
}
# Generate file to store the home net.
# Write file header.
print FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
- # Check if the configured runmode is IPS.
- if ($cgiparams{'RUN_MODE'} eq 'IPS') {
+ # Check if the traffic only should be monitored.
+ unless($cgiparams{'MONITOR_TRAFFIC_ONLY'} eq 'on') {
# 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 $oldidssettings{'RUN_MODE'}) {
+ # Check if "MONITOR_TRAFFIC_ONLY" has been changed.
+ if($cgiparams{'MONITOR_TRAFFIC_ONLY'} ne $oldidssettings{'MONITOR_TRAFFIC_ONLY'}) {
# Check if a ruleset exists.
if (%idsrules) {
# Lock the webpage and print message.
}
}
-# Read-in idssettings
-&General::readhash("$IDS::settingsdir/settings", \%idssettings);
+# Read-in idssettings and rulesetsettings
+&General::readhash("$idssettingsfile", \%idssettings);
+&General::readhash("$rulessettingsfile", \%rulessettings);
-# If the runmode has not been configured yet, set default value.
-unless(exists($idssettings{'RUN_MODE'})) {
- # Set default to IPS.
- $idssettings{'RUN_MODE'} = 'IPS';
+# If no autoupdate intervall has been configured yet, set default value.
+unless(exists($rulessettings{'AUTOUPDATE_INTERVAL'})) {
+ # Set default to "weekly".
+ $rulessettings{'AUTOUPDATE_INTERVAL'} = 'weekly';
}
+# Read-in ignored hosts.
+&General::readhasharray("$IDS::settingsdir/ignored", \%ignored);
+
$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'";
+$checked{'MONITOR_TRAFFIC_ONLY'}{'off'} = '';
+$checked{'MONITOR_TRAFFIC_ONLY'}{'on'} = '';
+$checked{'MONITOR_TRAFFIC_ONLY'}{$idssettings{'MONITOR_TRAFFIC_ONLY'}} = "checked='checked'";
$selected{'RULES'}{'nothing'} = '';
$selected{'RULES'}{'community'} = '';
$selected{'RULES'}{'emerging'} = '';
$selected{'RULES'}{'registered'} = '';
$selected{'RULES'}{'subscripted'} = '';
-$selected{'RULES'}{$idssettings{'RULES'}} = "selected='selected'";
+$selected{'RULES'}{$rulessettings{'RULES'}} = "selected='selected'";
+$selected{'AUTOUPDATE_INTERVAL'}{'off'} = '';
+$selected{'AUTOUPDATE_INTERVAL'}{'daily'} = '';
+$selected{'AUTOUPDATE_INTERVAL'}{'weekly'} = '';
+$selected{'AUTOUPDATE_INTERVAL'}{$rulessettings{'AUTOUPDATE_INTERVAL'}} = "selected='selected'";
&Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
}
&Header::closebox();
-# Draw elements for IDS configuration.
-&Header::openbox('100%', 'center', $Lang::tr{'settings'});
-
my $rulesdate;
# Check if a ruleset allready has been downloaded.
if ( -f "$IDS::rulestarball"){
- # Call stat on the filename to obtain detailed information.
+ # Call stat on the filename to obtain detailed information.
my @Info = stat("$IDS::rulestarball");
- # Grab details about the creation time.
+ # Grab details about the creation time.
$rulesdate = localtime($Info[9]);
}
+# Draw elements for IDS configuration.
+&Header::openbox('100%', 'center', $Lang::tr{'settings'});
+
print <<END
<form method='post' action='$ENV{'SCRIPT_NAME'}'>
<table width='100%' border='0'>
<tr>
- <td class='base' colspan='4'>
+ <td class='base' colspan='2'>
<input type='checkbox' name='ENABLE_IDS' $checked{'ENABLE_IDS'}{'on'}>$Lang::tr{'ids activate'} $Lang::tr{'intrusion detection system'}
</td>
- </tr>
-
- <tr>
- <td colspan='4'><br><br></td>
- </tr>
- <tr>
- <td class='base' colspan='4'><b>$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 class='base' colspan='2'>
+ <input type='checkbox' name='MONITOR_TRAFFIC_ONLY' $checked{'MONITOR_TRAFFIC_ONLY'}{'on'}>$Lang::tr{'ids monitor traffic only'}
</td>
</tr>
<tr>
- <td colspan='4'><br></td>
+ <td><br><br></td>
+ <td><br><br></td>
+ <td><br><br></td>
+ <td><br><br></td>
</tr>
<tr>
- <td colspan='4'><b>$Lang::tr{'ids traffic analyze'}</b><br></td>
+ <td colspan='4'><b>$Lang::tr{'ids monitored interfaces'}</b><br></td>
</tr>
<tr>
}
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 "<input type='checkbox' name='ENABLE_IDS_$zone_upper' $checked_input>$Lang::tr{$zone}\n";
print "</td>\n";
}
print <<END
</tr>
+ </table>
- <tr>
- <td colspan='4'><br><br></td>
- </tr>
+ <br><br>
+
+ <table width='100%'>
+ <tr>
+ <td align='right'><input type='submit' name='IDS' value='$Lang::tr{'save'}' /></td>
+ </tr>
+ </table>
+</form>
+END
+;
+
+&Header::closebox();
+# Draw elements for ruleset configuration.
+&Header::openbox('100%', 'center', $Lang::tr{'ids ruleset settings'});
+
+print <<END
+<form method='post' action='$ENV{'SCRIPT_NAME'}'>
+ <table width='100%' border='0'>
<tr>
- <td colspan='4'><b>$Lang::tr{'ids rules update'}</b></td>
+ <td><b>$Lang::tr{'ids rules update'}</b></td>
+ <td><b>$Lang::tr{'ids automatic rules update'}</b></td>
</tr>
<tr>
- <td colspan='4'><select name='RULES'>
- <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option>
+ <td><select name='RULES'>
<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>
</select>
</td>
+
+ <td>
+ <select name='AUTOUPDATE_INTERVAL'>
+ <option value='off' $selected{'AUTOUPDATE_INTERVAL'}{'off'} >$Lang::tr{'no'}</option>
+ <option value='daily' $selected{'AUTOUPDATE_INTERVAL'}{'daily'} >$Lang::tr{'urlfilter daily'}</option>
+ <option value='weekly' $selected{'AUTOUPDATE_INTERVAL'}{'weekly'} >$Lang::tr{'urlfilter weekly'}</option>
+ </select>
+ </td>
</tr>
<tr>
- <td colspan='4'>
+ <td colspan='2'>
<br>$Lang::tr{'ids rules license'} <a href='https://www.snort.org/subscribe' target='_blank'>www.snort.org</a>$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>, $Lang::tr{'ids rules license3'}</br>
</td>
</tr>
<tr>
- <td colspan='4' nowrap='nowrap'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$idssettings{'OINKCODE'}'></td>
+ <td colspan='2' nowrap='nowrap'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$rulessettings{'OINKCODE'}'></td>
</tr>
<tr>
- <td colspan='4' align='left'><br>
- <input type='submit' name='RULESET' value='$Lang::tr{'download new ruleset'}'> $Lang::tr{'updates installed'}: $rulesdate
+ <td> </td>
+
+ <td align='right'>
+END
+;
+ # Check if a ruleset source has been configured yet.
+ unless($rulessettings{'RULES'}) {
+ # If no ruleset settings have been saved yet, disable the button to download / update the ruleset.
+ print"<input type='submit' name='RULESET' disabled='disabled' value='$Lang::tr{'download new ruleset'}'>\n";
+ } else {
+ # Ruleset setting have been saved. - Check if a ruleset already is downloaded.
+ if (%idsrules) {
+ # Allow to press the button and show it as "update ruleset".
+ print"<input type='submit' name='RULESET' value='$Lang::tr{'update ruleset'}'>\n";
+ } else {
+ # Also allow to press the button, but show it as "download new ruleset".
+ print"<input type='submit' name='RULESET' value='$Lang::tr{'download new ruleset'}'>\n";
+ }
+ }
+print <<END;
+ <input type='submit' name='RULESET' value='$Lang::tr{'save'}'>
</td>
</tr>
</table>
+</form>
+END
+;
- <br><br>
+&Header::closebox();
+#
+# Whitelist / Ignorelist
+#
+&Header::openbox('100%', 'center', $Lang::tr{'guardian ignored hosts'});
+
+print <<END;
<table width='100%'>
<tr>
- <td align='right'><input type='submit' name='IDS' value='$Lang::tr{'save'}' /></td>
+ <td class='base' bgcolor='$color{'color20'}'><b>$Lang::tr{'ip address'}</b></td>
+ <td class='base' bgcolor='$color{'color20'}'><b>$Lang::tr{'remark'}</b></td>
+ <td class='base' colspan='3' bgcolor='$color{'color20'}'></td>
</tr>
- </table>
-</form>
END
-;
+ # Check if some hosts have been added to be ignored.
+ if (keys (%ignored)) {
+ my $col = "";
+
+ # Loop through all entries of the hash.
+ while( (my $key) = each %ignored) {
+ # Assign data array positions to some nice variable names.
+ my $address = $ignored{$key}[0];
+ my $remark = $ignored{$key}[1];
+ my $status = $ignored{$key}[2];
+
+ # Check if the key (id) number is even or not.
+ if ($cgiparams{'ID'} eq $key) {
+ $col="bgcolor='${Header::colouryellow}'";
+ } elsif ($key % 2) {
+ $col="bgcolor='$color{'color22'}'";
+ } else {
+ $col="bgcolor='$color{'color20'}'";
+ }
-&Header::closebox();
+ # Choose icon for the checkbox.
+ my $gif;
+ my $gdesc;
-&Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'});
- print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n";
+ # Check if the status is enabled and select the correct image and description.
+ if ($status eq 'enabled' ) {
+ $gif = 'on.gif';
+ $gdesc = $Lang::tr{'click to disable'};
+ } else {
+ $gif = 'off.gif';
+ $gdesc = $Lang::tr{'click to enable'};
+ }
- # Output display table for rule files
- print "<table width='100%'>\n";
+print <<END;
+ <tr>
+ <td width='20%' class='base' $col>$address</td>
+ <td width='65%' class='base' $col>$remark</td>
+
+ <td align='center' $col>
+ <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+ <input type='hidden' name='WHITELIST' value='$Lang::tr{'toggle enable disable'}' />
+ <input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$gif' alt='$gdesc' title='$gdesc' />
+ <input type='hidden' name='ID' value='$key' />
+ </form>
+ </td>
+
+ <td align='center' $col>
+ <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+ <input type='hidden' name='WHITELIST' value='$Lang::tr{'edit'}' />
+ <input type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' alt='$Lang::tr{'edit'}' title='$Lang::tr{'edit'}' />
+ <input type='hidden' name='ID' value='$key' />
+ </form>
+ </td>
+
+ <td align='center' $col>
+ <form method='post' name='$key' action='$ENV{'SCRIPT_NAME'}'>
+ <input type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' title='$Lang::tr{'remove'}' alt='$Lang::tr{'remove'}'>
+ <input type='hidden' name='ID' value='$key'>
+ <input type='hidden' name='WHITELIST' value='$Lang::tr{'remove'}'>
+ </form>
+ </td>
+ </tr>
+END
+ }
+ } else {
+ # Print notice that currently no hosts are ignored.
+ print "<tr>\n";
+ print "<td class='base' colspan='2'>$Lang::tr{'guardian no entries'}</td>\n";
+ print "</tr>\n";
+ }
- # Local variable required for java script to show/hide
- # rules of a rulefile.
- my $rulesetcount = 1;
+ print "</table>\n";
- # Loop over each rule file
- foreach my $rulefile (sort keys(%idsrules)) {
- my $rulechecked = '';
+ # Section to add new elements or edit existing ones.
+print <<END;
+ <br>
+ <hr>
+ <br>
- # Check if rule file is enabled
- if ($idsrules{$rulefile}{'Rulefile'}{'State'} eq 'on') {
- $rulechecked = 'CHECKED';
+ <div align='center'>
+ <table width='100%'>
+END
+
+ # Assign correct headline and button text.
+ my $buttontext;
+ my $entry_address;
+ my $entry_remark;
+
+ # Check if an ID (key) has been given, in this case an existing entry should be edited.
+ if ($cgiparams{'ID'} ne '') {
+ $buttontext = $Lang::tr{'update'};
+ print "<tr><td class='boldbase' colspan='3'><b>$Lang::tr{'update'}</b></td></tr>\n";
+
+ # Grab address and remark for the given key.
+ $entry_address = $ignored{$cgiparams{'ID'}}[0];
+ $entry_remark = $ignored{$cgiparams{'ID'}}[1];
+ } else {
+ $buttontext = $Lang::tr{'add'};
+ print "<tr><td class='boldbase' colspan='3'><b>$Lang::tr{'dnsforward add a new entry'}</b></td></tr>\n";
}
- # 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 $col;
-
- # New table for the single rules.
+print <<END;
+ <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+ <input type='hidden' name='ID' value='$cgiparams{'ID'}'>
+ <tr>
+ <td width='30%'>$Lang::tr{'ip address'}: </td>
+ <td width='50%'><input type='text' name='IGNORE_ENTRY_ADDRESS' value='$entry_address' size='24' /></td>
+
+ <td width='30%'>$Lang::tr{'remark'}: </td>
+ <td wicth='50%'><input type='text' name=IGNORE_ENTRY_REMARK value='$entry_remark' size='24' /></td>
+ <td align='center' width='20%'><input type='submit' name='WHITELIST' value='$buttontext' /></td>
+ </tr>
+ </form>
+ </table>
+ </div>
+END
+
+&Header::closebox();
+
+# Only show the section for configuring the ruleset if one is present.
+if (%idsrules) {
+ &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'});
+
+ print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n";
+
+ # Output display table for rule files
print "<table width='100%'>\n";
- # Loop over rule file rules
- foreach my $sid (sort {$a <=> $b} keys(%{$idsrules{$rulefile}})) {
+ # Loop over each rule file
+ foreach my $rulefile (sort keys(%idsrules)) {
+ my $rulechecked = '';
+
+ # Check if rule file is enabled
+ if ($idsrules{$rulefile}{'Rulefile'}{'State'} eq 'on') {
+ $rulechecked = 'CHECKED';
+ }
+
+ # Convert rulefile name into category name.
+ my $categoryname = &_rulefile_to_category($rulefile);
+
+ # 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('$categoryname')\">SHOW</a>\n";
+ print"</td>\n";
+ print"</tr>\n";
+
+ # Rows which will be hidden per default and will contain the single rules.
+ print"<tr style='display:none' id='$categoryname'>\n";
+ print"<td colspan='3'>\n";
+
# 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++;
+ }
- # 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>";
+ # Colour lines.
+ if ($rows % 2) {
+ $col="bgcolor='$color{'color20'}'";
+ } else {
+ $col="bgcolor='$color{'color22'}'";
+ }
- # Increment rule count
- $lines++;
- }
+ # Set rule state
+ if ($idsrules{$rulefile}{$sid}{'State'} eq 'on') {
+ $ruledefchecked = 'CHECKED';
+ }
- # If do not have a second rule for row, create empty cell
- if (($lines % 2) != 0) {
- print "<td class='base'></td>";
- }
+ # 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>";
- # Close display table
- print "</tr></table></td></tr>";
+ # Increment rule count
+ $lines++;
+ }
- # Finished whith the rule file, increase count.
- $rulesetcount++;
- }
+ # If do not have a second rule for row, create empty cell
+ if (($lines % 2) != 0) {
+ print "<td class='base'></td>";
+ }
+
+ # Close display table
+ print "</tr></table></td></tr>";
+ }
- # Close display table
- print "</table>";
+ # Close display table
+ print "</table>";
print <<END
<table width='100%'>
</form>
END
;
-&Header::closebox();
+ &Header::closebox();
+}
+
&Header::closebigbox();
&Header::closepage();
}
}
}
- }
+ }
}
#
}
+#
+## Function to generate the rules file with whitelisted addresses.
+#
+sub GenerateIgnoreFile() {
+ my %ignored = ();
+
+ # SID range 1000000-1999999 Reserved for Local Use
+ # Put your custom rules in this range to avoid conflicts
+ my $sid = 1500000;
+
+ # Read-in ignoredfile.
+ &General::readhasharray($ignoredfile, \%ignored);
+
+ # Open ignorefile for writing.
+ open(FILE, ">$whitelistfile") or die "Could not write to $whitelistfile. $!\n";
+
+ # Config file header.
+ print FILE "# Autogenerated file.\n";
+ print FILE "# All user modifications will be overwritten.\n\n";
+
+ # Add all user defined addresses to the whitelist.
+ #
+ # Check if the hash contains any elements.
+ if (keys (%ignored)) {
+ # Loop through the entire hash and write the host/network
+ # and remark to the ignore file.
+ while ( (my $key) = each %ignored) {
+ my $address = $ignored{$key}[0];
+ my $remark = $ignored{$key}[1];
+ my $status = $ignored{$key}[2];
+
+ # Check if the status of the entry is "enabled".
+ if ($status eq "enabled") {
+ # Check if the address/network is valid.
+ if ((&General::validip($address)) || (&General::validipandmask($address))) {
+ # Write rule line to the file to pass any traffic from this IP
+ print FILE "pass ip $address any -> any any (msg:\"pass all traffic from/to $address\"\; sid:$sid\;)\n";
+
+ # Increment sid.
+ $sid++;
+ }
+ }
+ }
+ }
+
+ close(FILE);
+}
+
#
## Function to read-in the given enabled or disables sids file.
#
# Return the hash.
return %temphash;
}
+
+#
+## Private function to convert a given rulefile to a category name.
+## ( No file extension anymore and if the name contained a dot, it
+## would be replaced by a underline sign.)
+#
+sub _rulefile_to_category($) {
+ my ($filename) = @_;
+
+ # Splitt the filename into single chunks and store them in a
+ # temorary array.
+ my @parts = split(/\./, $filename);
+
+ # Return / Remove last element of the temporary array.
+ # This removes the file extension.
+ pop @parts;
+
+ # Join together the single elements of the temporary array.
+ # If these are more than one, use a "underline" for joining.
+ my $category = join '_', @parts;
+
+ # Return the converted filename.
+ return $category;
+}