###############################################################################
# #
# IPFire.org - A linux based firewall #
-# Copyright (C) 2007-2018 IPFire Team <info@ipfire.org> #
+# Copyright (C) 2007-2020 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 #
require "${General::swroot}/lang.pl";
require "${General::swroot}/header.pl";
require "${General::swroot}/ids-functions.pl";
+require "${General::swroot}/network-functions.pl";
+
+# Import ruleset providers file.
+require "$IDS::rulesetsourcesfile";
my %color = ();
my %mainsettings = ();
my %idsrules = ();
my %idssettings=();
-my %rulesetsources = ();
+my %used_providers=();
my %cgiparams=();
my %checked=();
my %selected=();
# Read-in main settings, for language, theme and colors.
&General::readhash("${General::swroot}/main/settings", \%mainsettings);
-&General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
+&General::readhash("/srv/web/ipfire/html/themes/ipfire/include/colors.txt", \%color);
# 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";
+my @network_zones = &Network::get_available_network_zones();
-# 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";
-
-# 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";
+# Check if openvpn is started and add it to the array of network zones.
+if ( -e "/var/run/openvpn.pid") {
+ push(@network_zones, "ovpn");
+}
my $errormessage;
# Create files if they does not exist yet.
-unless (-f "$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($idsusedrulefilesfile); }
-unless (-f "$ignoredfile") { &IDS::create_empty_file($ignoredfile); }
-unless (-f "$whitelistfile" ) { &IDS::create_empty_file($whitelistfile); }
+&IDS::check_and_create_filelayout();
+
+# Hash which contains the colour code of a network zone.
+my %colourhash = (
+ 'red' => $Header::colourred,
+ 'green' => $Header::colourgreen,
+ 'blue' => $Header::colourblue,
+ 'orange' => $Header::colourorange,
+ 'ovpn' => $Header::colourovpn
+);
&Header::showhttpheaders();
my $new_entry_remark = $cgiparams{'IGNORE_ENTRY_REMARK'};
# Read-in ignoredfile.
- &General::readhasharray($ignoredfile, \%ignored);
+ &General::readhasharray($IDS::ignored_file, \%ignored);
# Check if we should edit an existing entry and got an ID.
if (($cgiparams{'WHITELIST'} eq $Lang::tr{'update'}) && ($cgiparams{'ID'})) {
$ignored{$id} = ["$new_entry_address", "$new_entry_remark", "$status"];
# Write the changed ignored hash to the ignored file.
- &General::writehasharray($ignoredfile, \%ignored);
+ &General::writehasharray($IDS::ignored_file, \%ignored);
# Regenerate the ignore file.
- &GenerateIgnoreFile();
+ &IDS::generate_ignore_file();
}
# Check if the IDS is running.
undef($cgiparams{'ID'});
# Read-in ignoredfile.
- &General::readhasharray($ignoredfile, \%ignored);
+ &General::readhasharray($IDS::ignored_file, \%ignored);
# Grab the configured status of the corresponding entry.
my $status = $ignored{$id}[2];
$ignored{$id} = ["$ignored{$id}[0]", "$ignored{$id}[1]", "$status"];
# Write the changed ignored hash to the ignored file.
- &General::writehasharray($ignoredfile, \%ignored);
+ &General::writehasharray($IDS::ignored_file, \%ignored);
# Regenerate the ignore file.
- &GenerateIgnoreFile();
+ &IDS::generate_ignore_file();
# Check if the IDS is running.
if(&IDS::ids_is_running()) {
my %ignored = ();
# Read-in ignoredfile.
- &General::readhasharray($ignoredfile, \%ignored);
+ &General::readhasharray($IDS::ignored_file, \%ignored);
# Drop entry from the hash.
delete($ignored{$cgiparams{'ID'}});
undef($cgiparams{'ID'});
# Write the changed ignored hash to the ignored file.
- &General::writehasharray($ignoredfile, \%ignored);
+ &General::writehasharray($IDS::ignored_file, \%ignored);
# Regenerate the ignore file.
- &GenerateIgnoreFile();
+ &IDS::generate_ignore_file();
# Check if the IDS is running.
if(&IDS::ids_is_running()) {
}
}
+# Check if the page is locked, in this case, the ids_page_lock_file exists.
+if (-e $IDS::ids_page_lock_file) {
+ # Lock the webpage and print notice about autoupgrade of the ruleset
+ # is in progess.
+ &working_notice("$Lang::tr{'ids ruleset autoupdate in progress'}");
+
+ # Loop and check if the file still exists.
+ while(-e $IDS::ids_page_lock_file) {
+ # Sleep for a second and re-check.
+ sleep 1;
+ }
+
+ # Page has been unlocked, perform a reload.
+ &reload();
+}
+
# Check if any error has been stored.
if (-e $IDS::storederrorfile) {
# Open file to read in the stored error message.
unlink($IDS::storederrorfile);
}
+# Gather ruleset details.
+if ($cgiparams{'RULESET'}) {
+ ## Grab all available rules and store them in the idsrules hash.
+ #
-## Grab all available snort rules and store them in the idsrules hash.
-#
-# Open snort rules directory and do a directory listing.
-opendir(DIR, $IDS::rulespath) or die $!;
- # Loop through the direcory.
- while (my $file = readdir(DIR)) {
-
- # We only want files.
- next unless (-f "$IDS::rulespath/$file");
-
- # Ignore empty files.
- next if (-z "$IDS::rulespath/$file");
+ # Get enabled providers.
+ my @enabled_providers = &IDS::get_enabled_providers();
- # Use a regular expression to find files ending in .rules
- next unless ($file =~ m/\.rules$/);
+ # Open rules directory and do a directory listing.
+ opendir(DIR, $IDS::rulespath) or die $!;
+ # Loop through the direcory.
+ while (my $file = readdir(DIR)) {
- # Ignore files which are not read-able.
- next unless (-R "$IDS::rulespath/$file");
+ # We only want files.
+ next unless (-f "$IDS::rulespath/$file");
- # Skip whitelist rules file.
- next if( $file eq "whitelist.rules");
+ # Ignore empty files.
+ next if (-z "$IDS::rulespath/$file");
- # Call subfunction to read-in rulefile and add rules to
- # the idsrules hash.
- &readrulesfile("$file");
- }
+ # Use a regular expression to find files ending in .rules
+ next unless ($file =~ m/\.rules$/);
-closedir(DIR);
+ # Ignore files which are not read-able.
+ next unless (-R "$IDS::rulespath/$file");
-# Gather used rulefiles.
-#
-# Check if the file for activated rulefiles is not empty.
-if(-f $idsusedrulefilesfile) {
- # Open the file for used rulefile and read-in content.
- open(FILE, $idsusedrulefilesfile) or die "Could not open $idsusedrulefilesfile. $!\n";
+ # Skip whitelist rules file.
+ next if( $file eq "whitelist.rules");
- # Read-in content.
- my @lines = <FILE>;
+ # Splitt vendor from filename.
+ my @filename_parts = split(/-/, $file);
- # Close file.
- close(FILE);
+ # Assign vendor name for easy processing.
+ my $vendor = @filename_parts[0];
- # Loop through the array.
- foreach my $line (@lines) {
- # Remove newlines.
- chomp($line);
+ # Skip rulefile if the provider is disabled.
+ next unless ($vendor ~~ @enabled_providers);
- # Skip comments.
- next if ($line =~ /\#/);
+ # Call subfunction to read-in rulefile and add rules to
+ # the idsrules hash.
+ &readrulesfile("$file");
+ }
- # Skip blank lines.
- next if ($line =~ /^\s*$/);
+ closedir(DIR);
- # Gather rule sid and message from the ruleline.
- if ($line =~ /.*- (.*)/) {
- my $rulefile = $1;
+ # Loop through the array of used providers.
+ foreach my $provider (@enabled_providers) {
+ # Gather used rulefiles.
+ my @used_rulesfiles = &IDS::read_used_provider_rulesfiles($provider);
+ # Loop through the array of used rulesfiles.
+ foreach my $rulefile (@used_rulesfiles) {
# Check if the current rulefile exists in the %idsrules hash.
# If not, the file probably does not exist anymore or contains
# no rules.
}
# Save ruleset.
-if ($cgiparams{'RULESET'} eq $Lang::tr{'update'}) {
+if ($cgiparams{'RULESET'} eq $Lang::tr{'ids apply'}) {
# 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;
+ # Store if a restart of suricata is required.
+ my $suricata_restart_required;
# Loop through the hash of idsrules.
foreach my $rulefile(keys %idsrules) {
+ # Check if the state of the rulefile has been changed.
+ unless ($cgiparams{$rulefile} eq $idsrules{$rulefile}{'Rulefile'}{'State'}) {
+ # A restart of suricata is required to apply the changes of the used rulefiles.
+ $suricata_restart_required = 1;
+ }
+
# Check if the rulefile is enabled.
if ($cgiparams{$rulefile} eq "on") {
# Add rulefile to the array of enabled rulefiles.
}
}
- # Read-in the files for enabled/disabled sids.
- # This will be done by calling the read_enabled_disabled_sids_file function two times
- # and merge the returned hashes together into the enabled_disabled_sids hash.
- %enabled_disabled_sids = (
- &read_enabled_disabled_sids_file($disabled_sids_file),
- &read_enabled_disabled_sids_file($enabled_sids_file));
+ # Open oinkmaster main include file for provider modifications.
+ open(OINKM_INCL_FILE, ">", "$IDS::oinkmaster_provider_includes_file") or die "Could not open $IDS::oinkmaster_provider_includes_file. $!\n";
- # Loop through the hash of idsrules.
- foreach my $rulefile (keys %idsrules) {
- # Loop through the single rules of the 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 ($idsrules{$rulefile}{$sid}{'State'} eq "off") {
- # Check if the state has been set to 'on'.
- if ($cgiparams{$sid} eq "on") {
- # Add/Modify the sid to/in the enabled_disabled_sids hash.
- $enabled_disabled_sids{$sid} = "enabled";
+ # Print file header and notice about autogenerated file.
+ print OINKM_INCL_FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
+
+ # Get enabled providers.
+ my @enabled_providers = &IDS::get_enabled_providers();
+
+ # Loop through the array of enabled providers.
+ foreach my $provider (@enabled_providers) {
+ # Hash to store the used-enabled and disabled sids.
+ my %enabled_disabled_sids;
+
+ # Generate modified sids file name for the current processed provider.
+ my $providers_modified_sids_file = "$IDS::settingsdir/oinkmaster-$provider-modified-sids.conf";
+
+ # Check if a modified sids file for this provider exists.
+ if (-f $providers_modified_sids_file) {
+ # Read-in the file for enabled/disabled sids.
+ %enabled_disabled_sids = &read_enabled_disabled_sids_file($providers_modified_sids_file);
+ }
+
+ # Loop through the hash of idsrules.
+ foreach my $rulefile (keys %idsrules) {
+ # Split the rulefile to get the vendor.
+ my @filename_parts = split(/-/, $rulefile);
+
+ # Assign rulefile vendor.
+ my $rulefile_vendor = @filename_parts[0];
+
+ # Skip the rulefile if the vendor is not our current processed provider.
+ next unless ($rulefile_vendor eq $provider);
+
+ # Loop through the single rules of the 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 ($idsrules{$rulefile}{$sid}{'State'} eq "off") {
+ # Check if the state has been set to 'on'.
+ if ($cgiparams{$sid} eq "on") {
+ # Add/Modify the sid to/in the enabled_disabled_sids hash.
+ $enabled_disabled_sids{$sid} = "enabled";
+
+ # Drop item from cgiparams hash.
+ delete $cgiparams{$rulefile}{$sid};
+ }
+ }
+ } else {
+ # Look if the rule is enabled.
+ if ($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.
+ # Add/Modify it to/in the enabled_disabled_sids hash.
+ $enabled_disabled_sids{$sid} = "disabled";
# Drop item from cgiparams hash.
delete $cgiparams{$rulefile}{$sid};
}
}
- } else {
- # Look if the rule is enabled.
- if ($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.
- # Add/Modify it to/in the enabled_disabled_sids hash.
- $enabled_disabled_sids{$sid} = "disabled";
-
- # Drop item from cgiparams hash.
- delete $cgiparams{$rulefile}{$sid};
- }
}
}
- }
- # Open enabled sid's file for writing.
- open(ENABLED_FILE, ">$enabled_sids_file") or die "Could not write to $enabled_sids_file. $!\n";
-
- # Open disabled sid's file for writing.
- open(DISABLED_FILE, ">$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 $sid\n";
- # Something strange happende - skip the current sid.
- } else {
- next;
+ # Check if the hash for enabled/disabled sids contains any entries.
+ if (%enabled_disabled_sids) {
+ # Open providers modified sids file for writing.
+ open(PROVIDER_MOD_FILE, ">$providers_modified_sids_file") or die "Could not write to $providers_modified_sids_file. $!\n";
+
+ # Write header to the files.
+ print PROVIDER_MOD_FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
+
+ # 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 PROVIDER_MOD_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 PROVIDER_MOD_FILE "disablesid $sid\n";
+ # Something strange happende - skip the current sid.
+ } else {
+ next;
+ }
}
+
+ # Close file handle for the providers modified sids file.
+ close(PROVIDER_MOD_FILE);
+
+ # Add the file to the oinkmasters include file.
+ print OINKM_INCL_FILE "include $providers_modified_sids_file\n";
}
}
- # Close file for enabled_sids after writing.
- close(ENABLED_FILE);
+ # Close the file handle after writing.
+ close(OINKM_INCL_FILE);
- # Close file for disabled_sids after writing.
- close(DISABLED_FILE);
+ # Handle enabled / disabled rulefiles.
+ #
- # Open file for used rulefiles.
- open (FILE, ">$idsusedrulefilesfile") or die "Could not write to $idsusedrulefilesfile. $!\n";
+ # Loop through the array of enabled providers.
+ foreach my $provider(@enabled_providers) {
+ # Array to store the rulefiles which belong to the current processed provider.
+ my @provider_rulefiles = ();
- # Write yaml header to the file.
- print FILE "%YAML 1.1\n";
- print FILE "---\n\n";
+ # Loop through the array of enabled rulefiles.
+ foreach my $rulesfile (@enabled_rulefiles) {
+ # Split the rulefile name.
+ my @filename_parts = split(/-/, "$rulesfile");
- # Write header to file.
- print FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
+ # Assign vendor name for easy processings.
+ my $vendor = @filename_parts[0];
- # Check if the enabled_rulefiles array contains any entries.
- if (@enabled_rulefiles) {
- # Allways load the whitelist.
- print FILE " - whitelist.rules\n";
+ # Check if the rulesvendor is our current processed enabled provider.
+ if ("$vendor" eq "$provider") {
+ # Add the rulesfile to the array of provider rulesfiles.
+ push(@provider_rulefiles, $rulesfile);
+ }
- # Loop through the array of rulefiles which should be loaded and write them to the file.
- foreach my $file (@enabled_rulefiles) {
- print FILE " - $file\n";
+ # Check if any rulesfiles have been found for this provider.
+ if (@provider_rulefiles) {
+ # Call function and write the providers used rulesfile file.
+ &IDS::write_used_provider_rulefiles_file($provider, @provider_rulefiles);
+ }
}
}
- # Close file after writing.
- close(FILE);
+ # Call function to generate and write the used rulefiles file.
+ &IDS::write_main_used_rulefiles_file(@enabled_providers);
# Lock the webpage and print message.
- &working_notice("$Lang::tr{'snort working'}");
+ &working_notice("$Lang::tr{'ids apply ruleset changes'}");
# 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");
+ # Check if a restart of suricata is required.
+ if ($suricata_restart_required) {
+ # Call suricatactrl to perform the restart.
+ &IDS::call_suricatactrl("restart");
+ } else {
+ # Call suricatactrl to perform a reload.
+ &IDS::call_suricatactrl("reload");
+ }
}
# Reload page.
&reload();
# Download new ruleset.
-} elsif ($cgiparams{'RULESET'} eq $Lang::tr{'download new ruleset'}) {
+} elsif ($cgiparams{'RULESET'} eq $Lang::tr{'update ruleset'}) {
# Check if the red device is active.
unless (-e "${General::swroot}/red/active") {
- $errormessage = $Lang::tr{'could not download latest updates'};
+ $errormessage = "$Lang::tr{'could not download latest updates'} - $Lang::tr{'system is offline'}";
}
# Check if enought free disk space is availabe.
unless ($errormessage) {
# Lock the webpage and print notice about downloading
# a new ruleset.
- &working_notice("$Lang::tr{'snort working'}");
+ &working_notice("$Lang::tr{'ids download new ruleset'}");
# Call subfunction to download the ruleset.
if(&IDS::downloadruleset()) {
&reload();
}
}
-# Save snort settings.
+# Save IDS settings.
} 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("$IDS::ids_settings_file", \%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") {
+ # Get enabled providers.
+ my @enabled_providers = &IDS::get_enabled_providers();
+
+ # Check if any ruleset is available. Otherwise abort and display an error.
+ unless(@enabled_providers) {
+ $errormessage = $Lang::tr{'ids no enabled ruleset provider'};
+ }
+
+ # 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("$IDS::settingsdir/settings", \%cgiparams);
+ &General::writehash("$IDS::ids_settings_file", \%cgiparams);
}
- # Generate file to store the home net.
- &generate_home_net_file();
-
# Check if the the automatic rule update hass been touched.
if($cgiparams{'AUTOUPDATE_INTERVAL'} ne $oldidssettings{'AUTOUPDATE_INTERVAL'}) {
# Call suricatactrl to set the new interval.
&IDS::call_suricatactrl("cron", $cgiparams{'AUTOUPDATE_INTERVAL'});
}
- # Check if the runmode has been changed.
- if($cgiparams{'RUN_MODE'} ne $oldidssettings{'RUN_MODE'}) {
- # Open modify sid's file for writing.
- open(FILE, ">$modify_sids_file") or die "Could not write to $modify_sids_file. $!\n";
+ # Generate file to store the home net.
+ &IDS::generate_home_net_file();
- # Write file header.
- print FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
+ # Generate file to the store the DNS servers.
+ &IDS::generate_dns_servers_file();
- # Check if the configured runmode is IPS.
- if ($cgiparams{'RUN_MODE'} eq 'IPS') {
- # Tell oinkmaster to switch all rules from alert to drop.
- print FILE "modifysid \* \"alert\" \| \"drop\"\n";
- }
+ # Generate file to store the HTTP ports.
+ &IDS::generate_http_ports_file();
- # Close file handle.
- close(FILE);
+ # Write the modify sid's file and pass the taken ruleaction.
+ &IDS::write_modify_sids_file();
+ # Check if "MONITOR_TRAFFIC_ONLY" has been changed.
+ if($cgiparams{'MONITOR_TRAFFIC_ONLY'} ne $oldidssettings{'MONITOR_TRAFFIC_ONLY'}) {
# Check if a ruleset exists.
- if (%idsrules) {
+ if (%used_providers) {
# Lock the webpage and print message.
- &working_notice("$Lang::tr{'snort working'}");
+ &working_notice("$Lang::tr{'ids working'}");
# Call oinkmaster to alter the ruleset.
&IDS::oinkmaster();
# Perform a reload of the page.
&reload();
}
-}
-# Read-in idssettings
-&General::readhash("$IDS::settingsdir/settings", \%idssettings);
+# Toggle Enable/Disable autoupdate for a provider
+} elsif ($cgiparams{'AUTOUPDATE'} eq $Lang::tr{'toggle enable disable'}) {
+ my %used_providers = ();
-# If the runmode has not been configured yet, set default value.
-unless(exists($idssettings{'RUN_MODE'})) {
- # Set default to IPS.
- $idssettings{'RUN_MODE'} = 'IPS';
-}
+ # Only go further, if an ID has been passed.
+ if ($cgiparams{'ID'}) {
+ # Assign the given ID.
+ my $id = $cgiparams{'ID'};
-# Read-in ignored hosts.
-&General::readhasharray("$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'";
-$selected{'RULES'}{'nothing'} = '';
-$selected{'RULES'}{'community'} = '';
-$selected{'RULES'}{'emerging'} = '';
-$selected{'RULES'}{'registered'} = '';
-$selected{'RULES'}{'subscripted'} = '';
-$selected{'RULES'}{$idssettings{'RULES'}} = "selected='selected'";
-$selected{'AUTOUPDATE_INTERVAL'}{'off'} = '';
-$selected{'AUTOUPDATE_INTERVAL'}{'daily'} = '';
-$selected{'AUTOUPDATE_INTERVAL'}{'weekly'} = '';
-$selected{'AUTOUPDATE_INTERVAL'}{$idssettings{'AUTOUPDATE_INTERVAL'}} = "selected='selected'";
+ # Undef the given ID.
+ undef($cgiparams{'ID'});
-&Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
+ # Read-in providers settings file.
+ &General::readhasharray($IDS::providers_settings_file, \%used_providers);
-### Java Script ###
-print <<END
-<script>
- // Tiny java script function to show/hide the rules
- // of a given category.
- function showhide(tblname) {
- \$("#" + tblname).toggle();
+ # Grab the configured status of the corresponding entry.
+ my $status_autoupdate = $used_providers{$id}[2];
+
+ # Switch the status.
+ if ($status_autoupdate eq "disabled") {
+ $status_autoupdate = "enabled";
+ } else {
+ $status_autoupdate = "disabled";
+ }
+
+ # Modify the status of the existing entry.
+ $used_providers{$id} = ["$used_providers{$id}[0]", "$used_providers{$id}[1]", "$status_autoupdate", "$used_providers{$id}[3]"];
+
+ # Write the changed hash to the providers settings file.
+ &General::writehasharray($IDS::providers_settings_file, \%used_providers);
}
-</script>
-END
-;
-&Header::openbigbox('100%', 'left', '', $errormessage);
+# Add/Edit a provider to the list of used providers.
+#
+} elsif (($cgiparams{'PROVIDERS'} eq "$Lang::tr{'add'}") || ($cgiparams{'PROVIDERS'} eq "$Lang::tr{'update'}")) {
+ my %used_providers = ();
-if ($errormessage) {
- &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
- print "<class name='base'>$errormessage\n";
- print " </class>\n";
- &Header::closebox();
-}
+ # Read-in providers settings file.
+ &General::readhasharray("$IDS::providers_settings_file", \%used_providers);
-# Draw current state of the IDS
-&Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system'});
+ # Assign some nice human-readable values.
+ my $provider = $cgiparams{'PROVIDER'};
+ my $subscription_code = $cgiparams{'SUBSCRIPTION_CODE'};
+ my $status_autoupdate;
-# Check if the IDS is running and obtain the process-id.
-my $pid = &IDS::ids_is_running();
+ # Handle autoupdate checkbox.
+ if ($cgiparams{'ENABLE_AUTOUPDATE'} eq "on") {
+ $status_autoupdate = "enabled";
+ } else {
+ $status_autoupdate = "disabled";
+ }
-# Display some useful information, if suricata daemon is running.
-if ($pid) {
- # Gather used memory.
- my $memory = &get_memory_usage($pid);
+ # Check if we are going to add a new provider.
+ if ($cgiparams{'PROVIDERS'} eq "$Lang::tr{'add'}") {
+ # Loop through the hash of used providers.
+ foreach my $id ( keys %used_providers) {
+ # Check if the choosen provider is already in use.
+ if ($used_providers{$id}[0] eq "$provider") {
+ # Assign error message.
+ $errormessage = "$Lang::tr{'ids the choosen provider is already in use'}";
+ }
+ }
+ }
- 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>
+ # Check if the provider requires a subscription code.
+ if ($IDS::Ruleset::Providers{$provider}{'requires_subscription'} eq "True") {
+ # Check if an subscription code has been provided.
+ if ($subscription_code) {
+ # Check if the code contains unallowed chars.
+ unless ($subscription_code =~ /^[a-z0-9]+$/) {
+ $errormessage = $Lang::tr{'invalid input for subscription code'};
+ }
+ } else {
+ # Print an error message, that an subsription code is required for this
+ # provider.
+ $errormessage = $Lang::tr{'ids subscription code required'};
+ }
+ }
- <tr>
- <td class='base'>$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>
+ # Go further if there was no error.
+ if ($errormessage eq '') {
+ my $id;
+ my $status;
- <tr>
- <td class='base'></td>
- <td bgcolor='$color{'color20'}' align='center'><strong>PID</strong></td>
- <td bgcolor='$color{'color20'}' align='center'><strong>$Lang::tr{'memory'}</strong></td>
- </tr>
+ # Check if we should edit an existing entry and got an ID.
+ if (($cgiparams{'PROVIDERS'} eq $Lang::tr{'update'}) && ($cgiparams{'ID'})) {
+ # Assin the provided id.
+ $id = $cgiparams{'ID'};
- <tr>
- <td class='base'></td>
- <td bgcolor='$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>$Lang::tr{'intrusion detection'}</strong></th>
- </tr>
+ # Undef the given ID.
+ undef($cgiparams{'ID'});
- <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();
+ # Grab the configured status of the corresponding entry.
+ $status = $used_providers{$id}[3];
+ } else {
+ # Each newly added entry automatically should be enabled.
+ $status = "enabled";
-# Draw elements for IDS configuration.
-&Header::openbox('100%', 'center', $Lang::tr{'settings'});
+ # 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 %used_providers;
-my $rulesdate;
+ # Reverse the key array.
+ my @reversed = reverse(@keys);
-# Check if a ruleset allready has been downloaded.
-if ( -f "$IDS::rulestarball"){
- # Call stat on the filename to obtain detailed information.
- my @Info = stat("$IDS::rulestarball");
+ # Obtain the last used id.
+ my $last_id = @reversed[0];
- # Grab details about the creation time.
- $rulesdate = localtime($Info[9]);
-}
+ # Increase the last id by one and use it as id for the new entry.
+ $id = ++$last_id;
+ }
-print <<END
-<form method='post' action='$ENV{'SCRIPT_NAME'}'>
- <table width='100%' border='0'>
- <tr>
- <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>
+ # Add/Modify the entry to/in the used providers hash..
+ $used_providers{$id} = ["$provider", "$subscription_code", "$status_autoupdate", "$status"];
- <tr>
- <td colspan='4'><br><br></td>
- </tr>
+ # Write the changed hash to the providers settings file.
+ &General::writehasharray($IDS::providers_settings_file, \%used_providers);
- <tr>
- <td class='base' colspan='4'><b>$Lang::tr{'runmode'}</b></td>
- </tr>
+ # Check if a new provider will be added.
+ if ($cgiparams{'PROVIDERS'} eq $Lang::tr{'add'}) {
+ # Lock the webpage and print notice about downloading
+ # a new ruleset.
+ &working_notice("$Lang::tr{'ids working'}");
- <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>
+ # Download the ruleset.
+ &IDS::downloadruleset($provider);
- <tr>
- <td colspan='4'><br></td>
- </tr>
+ # Extract the ruleset
+ &IDS::extractruleset($provider);
- <tr>
- <td colspan='4'><b>$Lang::tr{'ids traffic analyze'}</b><br></td>
- </tr>
+ # Move the ruleset.
+ &IDS::move_tmp_ruleset();
- <tr>
-END
-;
+ # Cleanup temporary directory.
+ &IDS::cleanup_tmp_directory();
-# Loop through the array of available networks and print config options.
-foreach my $zone (@network_zones) {
- my $checked_input;
- my $checked_forward;
+ # Create new empty file for used rulefiles
+ # for this provider.
+ &IDS::write_used_provider_rulefiles_file($provider);
- # Convert current zone name to upper case.
- my $zone_upper = uc($zone);
+ # Perform a reload of the page.
+ &reload();
+ }
- # Grab checkbox status from settings hash.
- if ($idssettings{"ENABLE_IDS_$zone_upper"} eq "on") {
- $checked_input = "checked = 'checked'";
+ # Undefine providers flag.
+ undef($cgiparams{'PROVIDERS'});
}
- 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";
-}
+## Toggle Enabled/Disabled for an existing provider.
+#
+} elsif ($cgiparams{'PROVIDERS'} eq $Lang::tr{'toggle enable disable'}) {
+ my %used_providers = ();
-print <<END
- </tr>
+ # Only go further, if an ID has been passed.
+ if ($cgiparams{'ID'}) {
+ # Assign the given ID.
+ my $id = $cgiparams{'ID'};
- <tr>
- <td colspan='4'><br><br></td>
- </tr>
+ # Undef the given ID.
+ undef($cgiparams{'ID'});
- <tr>
- <td colspan='2'><b>$Lang::tr{'ids rules update'}</b></td>
- <td colspan='2'><b>$Lang::tr{'ids automatic rules update'}</b></td>
- </tr>
+ # Read-in file which contains the provider settings.
+ &General::readhasharray($IDS::providers_settings_file, \%used_providers);
- <tr>
- <td colspan='2'><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>
- </select>
- </td>
-
- <td colspan='2'>
- <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>
+ # Grab the configured status of the corresponding entry.
+ my $status = $used_providers{$id}[3];
- <tr>
- <td colspan='4'>
- <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>, $Lang::tr{'ids rules license3'}</br>
- </td>
- </tr>
+ # Switch the status.
+ if ($status eq "enabled") {
+ $status = "disabled";
+ } else {
+ $status = "enabled";
+ }
- <tr>
- <td colspan='4' nowrap='nowrap'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$idssettings{'OINKCODE'}'></td>
- </tr>
+ # Modify the status of the existing entry.
+ $used_providers{$id} = ["$used_providers{$id}[0]", "$used_providers{$id}[1]", "$used_providers{$id}[2]", "$status"];
- <tr>
- <td colspan='4' align='left'><br>
- <input type='submit' name='RULESET' value='$Lang::tr{'download new ruleset'}'> $Lang::tr{'updates installed'}: $rulesdate
- </td>
+ # Write the changed hash to the providers settings file.
+ &General::writehasharray($IDS::providers_settings_file, \%used_providers);
- </tr>
- </table>
+ # Get all enabled providers.
+ my @enabled_providers = &IDS::get_enabled_providers();
- <br><br>
+ # Write the main providers include file.
+ &IDS::write_main_used_rulefiles_file(@enabled_providers);
- <table width='100%'>
- <tr>
- <td align='right'><input type='submit' name='IDS' value='$Lang::tr{'save'}' /></td>
- </tr>
- </table>
-</form>
-END
-;
+ # Check if the IDS is running.
+ if(&IDS::ids_is_running()) {
+ # Gather the amount of enabled providers (elements in the array).
+ my $amount = @enabled_providers;
-&Header::closebox();
+ # Check if there are still enabled ruleset providers.
+ if ($amount >= 1) {
+ # Call suricatactrl to perform a restart.
+ &IDS::call_suricatactrl("restart");
+ # No active ruleset provider, suricata has to be stopped.
+ } else {
+ # Stop suricata.
+ &IDS::call_suricatactrl("stop");
+ }
+ }
+
+ # Undefine providers flag.
+ undef($cgiparams{'PROVIDERS'});
+ }
+
+## Remove provider from the list of used providers.
#
-# Whitelist / Ignorelist
-#
-&Header::openbox('100%', 'center', $Lang::tr{'guardian ignored hosts'});
+} elsif ($cgiparams{'PROVIDERS'} eq $Lang::tr{'remove'}) {
+ my %used_providers = ();
-print <<END;
- <table width='100%'>
- <tr>
- <td class='base' bgcolor='$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>
-END
- # Check if some hosts have been added to be ignored.
- if (keys (%ignored)) {
- my $col = "";
+ # Read-in provider settings file.
+ &General::readhasharray($IDS::providers_settings_file, \%used_providers);
- # 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];
+ # Grab the provider name bevore deleting it from hash.
+ my $provider = $used_providers{$cgiparams{'ID'}}[0];
- # 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'}'";
- }
+ # Drop entry from the hash.
+ delete($used_providers{$cgiparams{'ID'}});
- # Choose icon for the checkbox.
- my $gif;
- my $gdesc;
+ # Undef the given ID.
+ undef($cgiparams{'ID'});
- # 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 = $Lang::tr{'click to enable'};
- }
+ # Write the changed hash to the provide settings file.
+ &General::writehasharray($IDS::providers_settings_file, \%used_providers);
-print <<END;
+ # Lock the webpage and print message.
+ &working_notice("$Lang::tr{'ids apply ruleset changes'}");
+
+ # Drop the stored ruleset file.
+ &IDS::drop_dl_rulesfile($provider);
+
+ # Get the name of the provider rulessets include file.
+ my $provider_used_rulefile = &get_used_provider_rulesfile_file($provider);
+
+ # Drop the file, it is not longer needed.
+ unlink("$provider_used_rulefile");
+
+ # Regenerate ruleset.
+ &IDS::oinkmaster();
+
+ # Gather all enabled providers.
+ my @enabled_providers = &IDS::get_enabled_providers();
+
+ # Regenerate main providers include file.
+ &IDS::write_main_used_rulefiles_file(@enabled_providers);
+
+ # Check if the IDS is running.
+ if(&IDS::ids_is_running()) {
+ # Get amount of enabled providers.
+ my $amount = @enabled_providers;
+
+ # Check if at least one enabled provider remains.
+ if ($amount >= 1) {
+ # Call suricatactrl to perform a reload.
+ &IDS::call_suricatactrl("restart");
+
+ # Stop suricata if no enabled provider remains.
+ } else {
+ # Call suricatactrel to perform the stop.
+ &IDS::call_suricatactrl("stop");
+ }
+ }
+
+ # Undefine providers flag.
+ undef($cgiparams{'PROVIDERS'});
+
+ # Reload page.
+ &reload();
+}
+
+&Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
+
+&Header::openbigbox('100%', 'left', '', $errormessage);
+
+&show_display_error_message();
+
+if ($cgiparams{'RULESET'} eq "$Lang::tr{'ids customize ruleset'}" ) {
+ &show_customize_ruleset();
+} elsif ($cgiparams{'PROVIDERS'} ne "") {
+ &show_add_provider();
+} else {
+ &show_mainpage();
+}
+
+&Header::closebigbox();
+&Header::closepage();
+
+#
+## Tiny function to show if a error message happened.
+#
+sub show_display_error_message() {
+ if ($errormessage) {
+ &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
+ print "<class name='base'>$errormessage\n";
+ print " </class>\n";
+ &Header::closebox();
+ }
+}
+
+#
+## Function to display the main IDS page.
+#
+sub show_mainpage() {
+ # Read-in idssettings and provider settings.
+ &General::readhash("$IDS::ids_settings_file", \%idssettings);
+ &General::readhasharray("$IDS::providers_settings_file", \%used_providers);
+
+ # If no autoupdate intervall has been configured yet, set default value.
+ unless(exists($idssettings{'AUTOUPDATE_INTERVAL'})) {
+ # Set default to "weekly".
+ $idssettings{'AUTOUPDATE_INTERVAL'} = 'weekly';
+ }
+
+ # Read-in ignored hosts.
+ &General::readhasharray("$IDS::settingsdir/ignored", \%ignored);
+
+ $checked{'ENABLE_IDS'}{'off'} = '';
+ $checked{'ENABLE_IDS'}{'on'} = '';
+ $checked{'ENABLE_IDS'}{$idssettings{'ENABLE_IDS'}} = "checked='checked'";
+ $checked{'MONITOR_TRAFFIC_ONLY'}{'off'} = '';
+ $checked{'MONITOR_TRAFFIC_ONLY'}{'on'} = '';
+ $checked{'MONITOR_TRAFFIC_ONLY'}{$idssettings{'MONITOR_TRAFFIC_ONLY'}} = "checked='checked'";
+ $selected{'AUTOUPDATE_INTERVAL'}{'off'} = '';
+ $selected{'AUTOUPDATE_INTERVAL'}{'daily'} = '';
+ $selected{'AUTOUPDATE_INTERVAL'}{'weekly'} = '';
+ $selected{'AUTOUPDATE_INTERVAL'}{$idssettings{'AUTOUPDATE_INTERVAL'}} = "selected='selected'";
+
+ # 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>
- <td width='20%' class='base' $col>$address</td>
- <td width='65%' class='base' $col>$remark</td>
+ <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>$Lang::tr{'stopped'}</strong></font></td>
+ </tr>
+ </table>
+END
+ }
+
+ # Only show this area, if at least one ruleset provider is configured.
+ if (%used_providers) {
+
+print <<END
+
+ <br><br><h2>$Lang::tr{'settings'}</h2>
+
+ <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+ <table width='100%' border='0'>
+ <tr>
+ <td class='base' colspan='2'>
+ <input type='checkbox' name='ENABLE_IDS' $checked{'ENABLE_IDS'}{'on'}> $Lang::tr{'ids enable'}
+ </td>
+
+ <td class='base' colspan='2'>
+ <input type='checkbox' name='MONITOR_TRAFFIC_ONLY' $checked{'MONITOR_TRAFFIC_ONLY'}{'on'}> $Lang::tr{'ids monitor traffic only'}
+ </td>
+ </tr>
+
+ <tr>
+ <td><br><br></td>
+ <td><br><br></td>
+ <td><br><br></td>
+ <td><br><br></td>
+ </tr>
+
+ <tr>
+ <td colspan='4'><b>$Lang::tr{'ids monitored interfaces'}</b><br></td>
+ </tr>
+
+ <tr>
+END
+;
+
+ # 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);
+
+ # Set zone name.
+ my $zone_name = $zone;
+
+ # Dirty hack to get the correct language string for the red zone.
+ if ($zone eq "red") {
+ $zone_name = "red1";
+ }
+
+ # Grab checkbox status from settings hash.
+ if ($idssettings{"ENABLE_IDS_$zone_upper"} eq "on") {
+ $checked_input = "checked = 'checked'";
+ }
+
+ print "<td class='base' width='20%'>\n";
+ print "<input type='checkbox' name='ENABLE_IDS_$zone_upper' $checked_input>\n";
+ print " $Lang::tr{'enabled on'}<font color='$colourhash{$zone}'> $Lang::tr{$zone_name}</font>\n";
+ print "</td>\n";
+ }
+
+print <<END
+ </tr>
+
+ <tr>
+ <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 automatic rules update'}</b></td>
+ </tr>
+
+ <tr>
+ <td>
+ <select name='AUTOUPDATE_INTERVAL'>
+ <option value='off' $selected{'AUTOUPDATE_INTERVAL'}{'off'} >- $Lang::tr{'Disabled'} -</option>
+ <option value='daily' $selected{'AUTOUPDATE_INTERVAL'}{'daily'} >$Lang::tr{'Daily'}</option>
+ <option value='weekly' $selected{'AUTOUPDATE_INTERVAL'}{'weekly'} >$Lang::tr{'Weekly'}</option>
+ </select>
+ </td>
+ </tr>
+ </table>
+
+ <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();
+
+ #
+ # Used Ruleset Providers section.
+ #
+ &Header::openbox('100%', 'center', $Lang::tr{'ids ruleset settings'});
+
+print <<END;
+ <table width='100%' border='0'>
+ <tr>
+ <td class='base' bgcolor='$color{'color20'}'><b>$Lang::tr{'ids provider'}</b></td>
+ <td class='base' bgcolor='$color{'color20'}'><b>$Lang::tr{'date'}</b></td>
+ <td class='base' bgcolor='$color{'color20'}' align='center'><b>$Lang::tr{'ids autoupdates'}</b></td>
+ <td class='base' bgcolor='$color{'color20'}'></td>
+ <td class='base' colspan='3' bgcolor='$color{'color20'}'></td>
+ </tr>
+END
+ # Check if some providers has been configured.
+ if (keys (%used_providers)) {
+ my $col = "";
+
+ # Loop through all entries of the hash.
+ foreach my $id (sort keys(%used_providers)) {
+ # Assign data array positions to some nice variable names.
+ my $provider = $used_providers{$id}[0];
+ my $provider_name = &get_provider_name($provider);
+ my $rulesetdate = &IDS::get_ruleset_date($provider);
+
+ my $subscription_code = $used_providers{$id}[1];
+ my $autoupdate_status = $used_providers{$id}[2];
+ my $status = $used_providers{$id}[3];
+
+ # Check if the item number is even or not.
+ if ($id % 2) {
+ $col="bgcolor='$color{'color22'}'";
+ } else {
+ $col="bgcolor='$color{'color20'}'";
+ }
+
+ # Choose icons for the checkboxes.
+ my $status_gif;
+ my $status_gdesc;
+ my $autoupdate_status_gif;
+ my $autoupdate_status_gdesc;
+
+ # Check if the status is enabled and select the correct image and description.
+ if ($status eq 'enabled' ) {
+ $status_gif = 'on.gif';
+ $status_gdesc = $Lang::tr{'click to disable'};
+ } else {
+ $status_gif = 'off.gif';
+ $status_gdesc = $Lang::tr{'click to enable'};
+ }
+
+ # Check if the autoupdate status is enabled and select the correct image and description.
+ if ($autoupdate_status eq 'enabled') {
+ $autoupdate_status_gif = 'on.gif';
+ $autoupdate_status_gdesc = $Lang::tr{'click to disable'};
+ } else {
+ $autoupdate_status_gif = 'off.gif';
+ $autoupdate_status_gdesc = $Lang::tr{'click to enable'};
+ }
+
+print <<END;
+ <tr>
+ <td width='33%' class='base' $col>$provider_name</td>
+ <td width='30%' class='base' $col>$rulesetdate</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' />
+ <input type='hidden' name='AUTOUPDATE' value='$Lang::tr{'toggle enable disable'}' />
+ <input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$autoupdate_status_gif' alt='$autoupdate_status_gdesc' title='$autoupdate_status_gdesc' />
+ <input type='hidden' name='ID' value='$id' />
</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='$key' />
+ <input type='hidden' name='PROVIDERS' value='$Lang::tr{'toggle enable disable'}'>
+ <input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$status_gif' alt='$status_gdesc' title='$status_gdesc'>
+ <input type='hidden' name='ID' value='$id'>
</form>
</td>
<td align='center' $col>
- <form method='post' name='$key' action='$ENV{'SCRIPT_NAME'}'>
+ <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+ <input type='hidden' name='PROVIDERS' 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='$id'>
+ </form>
+ </td>
+
+ <td align='center' $col>
+ <form method='post' name='$provider' 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'}'>
+ <input type='hidden' name='ID' value='$id'>
+ <input type='hidden' name='PROVIDERS' value='$Lang::tr{'remove'}'>
</form>
</td>
</tr>
END
}
+
} else {
# Print notice that currently no hosts are ignored.
print "<tr>\n";
<hr>
<br>
- <div align='center'>
+ <div align='right'>
<table width='100%'>
+ <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+ <tr>
END
- # Assign correct headline and button text.
- my $buttontext;
- my $entry_address;
- my $entry_remark;
+ # Only show this button if a ruleset provider is configured.
+ if (%used_providers) {
+ print "<input type='submit' name='RULESET' value='$Lang::tr{'ids customize ruleset'}'>\n";
+ }
+print <<END;
+ <input type='submit' name='PROVIDERS' value='$Lang::tr{'ids add provider'}'>
+ </tr>
+ </form>
+ </table>
+ </div>
+END
- # Check if an ID (key) has been given, in this case an existing entry should be edited.
- if ($cgiparams{'ID'} ne '') {
- $buttontext = $Lang::tr{'update'};
- print "<tr><td class='boldbase' colspan='3'><b>$Lang::tr{'update'}</b></td></tr>\n";
+ &Header::closebox();
- # 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";
- }
+ #
+ # Whitelist / Ignorelist
+ #
+ &Header::openbox('100%', 'center', $Lang::tr{'ids ignored hosts'});
+
+ print <<END;
+ <table width='100%'>
+ <tr>
+ <td class='base' bgcolor='$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>
+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'}'";
+ }
+
+ # Choose icon for the checkbox.
+ my $gif;
+ my $gdesc;
+
+ # Check if the status is enabled and select the correct image and description.
+ if ($status eq 'enabled' ) {
+ $gif = 'on.gif';
+ $gdesc = $Lang::tr{'click to disable'};
+ } else {
+ $gif = 'off.gif';
+ $gdesc = $Lang::tr{'click to enable'};
+ }
print <<END;
- <form method='post' action='$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>
+ <tr>
+ <td width='20%' class='base' $col>$address</td>
+ <td width='65%' class='base' $col>$remark</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>
+ <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";
+ }
+
+ print "</table>\n";
+
+ # Section to add new elements or edit existing ones.
+print <<END;
+ <br>
+ <hr>
+ <br>
+
+ <div align='center'>
+ <table width='100%'>
END
-&Header::closebox();
+ # Assign correct headline and button text.
+ my $buttontext;
+ my $entry_address;
+ my $entry_remark;
-# Only show the section for configuring the ruleset if one is present.
-if (%idsrules) {
- &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'});
+ # Check if an ID (key) has been given, in this case an existing entry should be edited.
+ if ($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";
+ }
+
+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='$buttontext' /></td>
+ </tr>
+ </form>
+ </table>
+ </div>
+END
+
+ &Header::closebox();
+}
+#
+## Function to show the customize ruleset section.
+#
+sub show_customize_ruleset() {
+ ### Java Script ###
+ print"<script>\n";
+
+ # Java script variable declaration for show and hide.
+ print"var show = \"$Lang::tr{'ids show'}\"\;\n";
+ print"var hide = \"$Lang::tr{'ids hide'}\"\;\n";
+
+print <<END
+ // Tiny java script function to show/hide the rules
+ // of a given category.
+ function showhide(tblname) {
+ \$("#" + tblname).toggle();
+
+ // Get current content of the span element.
+ var content = document.getElementById("span_" + tblname);
+
+ if (content.innerHTML === show) {
+ content.innerHTML = hide;
+ } else {
+ content.innerHTML = show;
+ }
+ }
+ </script>
+END
+;
+ &Header::openbox('100%', 'LEFT', "$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";
- # Local variable required for java script to show/hide
- # rules of a rulefile.
- my $rulesetcount = 1;
-
# Loop over each rule file
foreach my $rulefile (sort keys(%idsrules)) {
my $rulechecked = '';
$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"</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"<a href=\"javascript:showhide('$categoryname')\"><span id='span_$categoryname'>$Lang::tr{'ids show'}</span></a>\n";
print"</td>\n";
print"</tr>\n";
# Rows which will be hidden per default and will contain the single rules.
- print"<tr style='display:none' id='ruleset$rulesetcount'>\n";
+ print"<tr style='display:none' id='$categoryname'>\n";
print"<td colspan='3'>\n";
# Local vars
# Close display table
print "</tr></table></td></tr>";
-
- # Finished whith the rule file, increase count.
- $rulesetcount++;
}
# Close display table
print "</table>";
-print <<END
+ print <<END
<table width='100%'>
<tr>
- <td width='100%' align='right'><input type='submit' name='RULESET' value='$Lang::tr{'update'}'>
- <!-- space for future online help link -->
+ <td width='100%' align='right'>
+ <input type='submit' value='$Lang::tr{'fwhost back'}'>
+ <input type='submit' name='RULESET' value='$Lang::tr{'ids apply'}'>
</td>
</tr>
</table>
</form>
END
;
- &Header::closebox();
+ &Header::closebox();
+ }
}
-&Header::closebigbox();
-&Header::closepage();
+#
+## Function to show section for add/edit a provider.
+#
+sub show_add_provider() {
+ my %used_providers = ();
+ my @subscription_providers;
+
+ # Read -in providers settings file.
+ &General::readhasharray("$IDS::providers_settings_file", \%used_providers);
+
+ # Get all supported ruleset providers.
+ my @ruleset_providers = &IDS::get_ruleset_providers();
+
+ ### Java Script ###
+ print "<script>\n";
+
+ # Generate Java Script Object which contains the URL of the providers.
+ print "\t// Object, which contains the webpages of the ruleset providers.\n";
+ print "\tvar url = {\n";
+
+ # Loop through the array of supported providers.
+ foreach my $provider (@ruleset_providers) {
+ # Check if the provider requires a subscription.
+ if ($IDS::Ruleset::Providers{$provider}{'requires_subscription'} eq "True") {
+ # Add the provider to the array of subscription_providers.
+ push(@subscription_providers, $provider);
+ }
+
+ # Grab the URL for the provider.
+ my $url = $IDS::Ruleset::Providers{$provider}{'website'};
+
+ # Print the URL to the Java Script Object.
+ print "\t\t$provider: \"$url\"\,\n";
+ }
+
+ # Close the Java Script Object declaration.
+ print "\t}\;\n\n";
+
+ # Generate Java Script Array which contains the provider that requires a subscription.
+ my $line = "";
+ $line = join("', '", @subscription_providers);
+
+ print "\t// Array which contains the providers that requires a subscription.\n";
+ print "\tsubscription_provider = ['$line']\;\n\n";
+
+print <<END
+ // Java Script function to swap the text input field for
+ // entering a subscription code.
+ var update_provider = function() {
+ if(inArray(\$('#PROVIDER').val(), subscription_provider)) {
+ \$('.subscription_code').show();
+ } else {
+ \$('.subscription_code').hide();
+ }
+
+ // Call function to change the website url.
+ change_url(\$('#PROVIDER').val());
+ };
+
+ // Java Script function to check if a given value is part of
+ // an array.
+ function inArray(value,array) {
+ var count=array.length;
+
+ for(var i=0;i<count;i++) {
+ if(array[i]===value){
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ // Tiny function to change the website url based on the selected element in the "PROVIDERS"
+ // dropdown menu.
+ function change_url(provider) {
+ // Get and change the href to the corresponding url.
+ document.getElementById("website").href = url[provider];
+ }
+
+ // JQuery function to call corresponding function when
+ // the ruleset provider is changed or the page is loaded for showing/hiding
+ // the subscription_code area.
+ \$(document).ready(function() {
+ \$('#PROVIDER').change(update_provider);
+ update_provider();
+ });
+
+ </script>
+END
+;
+
+ &Header::openbox('100%', 'center', $Lang::tr{'ids provider settings'});
+
+ # Check if an existing provider should be edited.
+ if($cgiparams{'PROVIDERS'} eq "$Lang::tr{'edit'}") {
+ # Check if autoupdate is enabled for this provider.
+ if ($used_providers{$cgiparams{'ID'}}[2] eq "enabled") {
+ # Set the checkbox to be checked.
+ $checked{'ENABLE_AUTOUPDATE'} = "checked='checked'";
+ }
+ } elsif ($cgiparams{'PROVIDERS'} eq "$Lang::tr{'ids add provider'}") {
+ # Set the autoupdate to true as default.
+ $checked{'ENABLE_AUTOUPDATE'} = "checked='checked'";
+ }
+
+print <<END
+ <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+ <table width='100%' border='0'>
+ <tr>
+ <td colspan='2'><b>$Lang::tr{'ids provider'}</b></td>
+ </tr>
+
+ <tr>
+ <td width='40%'>
+ <input type='hidden' name='ID' value='$cgiparams{'ID'}'>
+END
+;
+ # Value to allow disabling the dropdown menu.
+ my $disabled;
+
+ # Check if we are in edit mode.
+ if ($cgiparams{'PROVIDERS'} eq "$Lang::tr{'edit'}") {
+ $disabled = "disabled";
+
+ # Add hidden input with the provider because the disable select does not provider
+ # this.
+ print "<input type='hidden' name='PROVIDER' value='$used_providers{$cgiparams{'ID'}}[0]'>\n";
+ }
+
+ print "<select name='PROVIDER' id='PROVIDER' $disabled>\n";
+ # Loop through the array of ruleset providers.
+ foreach my $provider (@ruleset_providers) {
+ # Get the provider name.
+ my $provider_name = &get_provider_name($provider);
+
+ # Pre-select the provider if one is given.
+ if (($used_providers{$cgiparams{'ID'}}[0] eq "$provider") || ($cgiparams{'PROVIDER'} eq "$provider")) {
+ $selected{$provider} = "selected='selected'";
+ }
+
+ # Add the provider to the dropdown menu.
+ print "<option value='$provider' $selected{$provider}>$provider_name</option>\n";
+ }
+print <<END
+ </select>
+ </td>
+
+ <td width='60%'>
+ <b><a id="website" target="_blank" href="#">$Lang::tr{'ids visit provider website'}</a></b>
+ </td>
+ </tr>
+
+ <tr>
+ <td colspan='2'><br><br></td>
+ </tr>
+
+ <tr class='subscription_code' style='display:none' id='subscription_code'>
+ <td colspan='2'>
+ <table border='0'>
+ <tr>
+ <td>
+ <b>$Lang::tr{'subscription code'}</b>
+ </td>
+ </tr>
+
+ <tr>
+ <td>
+ <input type='text' size='40' name='SUBSCRIPTION_CODE' value='$used_providers{$cgiparams{'ID'}}[1]'>
+ </td>
+ </tr>
+
+ <tr>
+ <td><br><br></td>
+ </tr>
+ </table>
+ </td>
+ </tr>
+
+ <tr>
+ <td colspan='2'>
+ <input type='checkbox' name='ENABLE_AUTOUPDATE' $checked{'ENABLE_AUTOUPDATE'}> $Lang::tr{'ids enable automatic updates'}
+ </td>
+ </tr>
+
+ <tr>
+ <td colspan='2' align='right'>
+ <input type='submit' value='$Lang::tr{'back'}'>
+END
+;
+ # Check if a provider should be added or edited.
+ if ($cgiparams{'PROVIDERS'} eq "$Lang::tr{'edit'}") {
+ # Display button for updating the existing provider.
+ print "<input type='submit' name='PROVIDERS' value='$Lang::tr{'update'}'>\n";
+ } else {
+ # Display button to add the new provider.
+ print "<input type='submit' name='PROVIDERS' value='$Lang::tr{'add'}'>\n";
+ }
+print <<END
+ </td>
+ </tr>
+ </table>
+ </form>
+END
+;
+ &Header::closebox();
+}
#
## A function to display a notice, to lock the webpage and
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 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.
- $sid++;
- }
- }
- }
- }
-
- close(FILE);
-}
-
#
## Function to read-in the given enabled or disables sids file.
#
# Return the hash.
return %temphash;
}
+
+#
+## Function to get the provider name from the language file or providers file for a given handle.
+#
+sub get_provider_name($) {
+ my ($handle) = @_;
+ my $provider_name;
+
+ # Get the required translation string for the given provider handle.
+ my $tr_string = $IDS::Ruleset::Providers{$handle}{'tr_string'};
+
+ # Check if the translation string is available in the language files.
+ if ($Lang::tr{$tr_string}) {
+ # Use the translated string from the language file.
+ $provider_name = $Lang::tr{$tr_string};
+ } else {
+ # Fallback and use the provider summary from the providers file.
+ $provider_name = $IDS::Ruleset::Providers{$handle}{'summary'};
+ }
+
+ # Return the obtained provider name.
+ return $provider_name;
+}
+
+#
+## Private function to convert a given rulefile to a category name.
+## ( No file extension anymore and if the name contained a dot, it
+## would be replaced by a underline sign.)
+#
+sub _rulefile_to_category($) {
+ 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;
+}