###############################################################################
use strict;
+use experimental 'smartmatch';
# enable only the following on debugging purpose
#use warnings;
my %mainsettings = ();
my %idsrules = ();
my %idssettings=();
-my %rulessettings=();
+my %used_providers=();
my %cgiparams=();
my %checked=();
my %selected=();
my $new_entry_remark = $cgiparams{'IGNORE_ENTRY_REMARK'};
# Read-in ignoredfile.
- &General::readhasharray($IDS::ignored_file, \%ignored);
+ &General::readhasharray($IDS::ignored_file, \%ignored) if (-e $IDS::ignored_file);
# Check if we should edit an existing entry and got an ID.
if (($cgiparams{'WHITELIST'} eq $Lang::tr{'update'}) && ($cgiparams{'ID'})) {
undef($cgiparams{'ID'});
# Read-in ignoredfile.
- &General::readhasharray($IDS::ignored_file, \%ignored);
+ &General::readhasharray($IDS::ignored_file, \%ignored) if (-e $IDS::ignored_file);
# Grab the configured status of the corresponding entry.
my $status = $ignored{$id}[2];
my %ignored = ();
# Read-in ignoredfile.
- &General::readhasharray($IDS::ignored_file, \%ignored);
+ &General::readhasharray($IDS::ignored_file, \%ignored) if (-e $IDS::ignored_file);
# Drop entry from the hash.
delete($ignored{$cgiparams{'ID'}});
if ($cgiparams{'RULESET'}) {
## Grab all available rules and store them in the idsrules hash.
#
+
+ # Get enabled providers.
+ my @enabled_providers = &IDS::get_enabled_providers();
+
# Open rules directory and do a directory listing.
opendir(DIR, $IDS::rulespath) or die $!;
# Loop through the direcory.
# Skip whitelist rules file.
next if( $file eq "whitelist.rules");
+ # Splitt vendor from filename.
+ my @filename_parts = split(/-/, $file);
+
+ # Assign vendor name for easy processing.
+ my $vendor = @filename_parts[0];
+
+ # Skip rulefile if the provider is disabled.
+ next unless ($vendor ~~ @enabled_providers);
+
# Call subfunction to read-in rulefile and add rules to
# the idsrules hash.
&readrulesfile("$file");
closedir(DIR);
- # Gather used rulefiles.
- #
- # Check if the file for activated rulefiles is not empty.
- if(-f $IDS::used_rulefiles_file) {
- # Open the file for used rulefile and read-in content.
- open(FILE, $IDS::used_rulefiles_file) or die "Could not open $IDS::used_rulefiles_file. $!\n";
-
- # Read-in content.
- my @lines = <FILE>;
-
- # Close file.
- close(FILE);
-
- # Loop through the array.
- foreach my $line (@lines) {
- # Remove newlines.
- chomp($line);
-
- # Skip comments.
- next if ($line =~ /\#/);
-
- # Skip blank lines.
- next if ($line =~ /^\s*$/);
-
- # Gather rule sid and message from the ruleline.
- if ($line =~ /.*- (.*)/) {
- my $rulefile = $1;
-
- # Check if the current rulefile exists in the %idsrules hash.
- # If not, the file probably does not exist anymore or contains
- # no rules.
- if($idsrules{$rulefile}) {
- # Add the rulefile state to the %idsrules hash.
- $idsrules{$rulefile}{'Rulefile'}{'State'} = "on";
- }
+ # Loop through the array of used providers.
+ foreach my $provider (@enabled_providers) {
+ # Gather used rulefiles.
+ my @used_rulesfiles = &IDS::get_provider_used_rulesfiles($provider);
+
+ # Loop through the array of used rulesfiles.
+ foreach my $rulefile (@used_rulesfiles) {
+ # Check if the current rulefile exists in the %idsrules hash.
+ # If not, the file probably does not exist anymore or contains
+ # no rules.
+ if($idsrules{$rulefile}) {
+ # Add the rulefile state to the %idsrules hash.
+ $idsrules{$rulefile}{'Rulefile'}{'State'} = "on";
}
}
}
}
-# Save ruleset configuration.
-if ($cgiparams{'RULESET'} eq $Lang::tr{'save'}) {
- my %oldsettings;
+# Save ruleset.
+if ($cgiparams{'RULESET'} eq $Lang::tr{'ids apply'}) {
+ # Get enabled providers.
+ my @enabled_providers = &IDS::get_enabled_providers();
- # Read-in current (old) IDS settings.
- &General::readhash("$IDS::rules_settings_file", \%oldsettings);
+ # 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;
- # Prevent form name from been stored in conf file.
- delete $cgiparams{'RULESET'};
-
- # Check if the choosen vendor (URL) requires an subscription/oinkcode.
- if ($IDS::Ruleset::Providers{$cgiparams{'RULES'}}{'requires_subscription'} eq "True") {
- # Check if an subscription/oinkcode has been provided.
- if ($cgiparams{'OINKCODE'}) {
- # Check if the oinkcode contains unallowed chars.
- unless ($cgiparams{'OINKCODE'} =~ /^[a-z0-9]+$/) {
- $errormessage = $Lang::tr{'invalid input for oink code'};
- }
- } else {
- # Print an error message, that an subsription/oinkcode is required for this
- # vendor.
- $errormessage = $Lang::tr{'ids oinkcode required'};
- }
- }
+ # Hash to store the enabled rulefiles for the current processed provider.
+ my %used_rulefiles;
- # Go on if there are no error messages.
- if (!$errormessage) {
- # Store settings into settings file.
- &General::writehash("$IDS::rules_settings_file", \%cgiparams);
+ # Get name of the file which holds the ruleset modification of the provider.
+ my $modifications_file = &IDS::get_provider_ruleset_modifications_file($provider);
- # Check if a ruleset is present - if not or the source has been changed download it.
- if((! %idsrules) || ($oldsettings{'RULES'} ne $cgiparams{'RULES'})) {
- # Check if the red device is active.
- unless (-e "${General::swroot}/red/active") {
- $errormessage = "$Lang::tr{'could not download latest updates'} - $Lang::tr{'system is offline'}";
- }
+ # Get the name of the file which contains the used rulefiles for this provider.
+ my $used_rulefiles_file = &IDS::get_provider_used_rulesfiles_file($provider);
- # Check if enough free disk space is availabe.
- if(&IDS::checkdiskspace()) {
- $errormessage = "$Lang::tr{'not enough disk space'}";
- }
+ # Read-in modifications file, if exists.
+ &General::readhash("$modifications_file", \%enabled_disabled_sids) if (-f "$modifications_file");
- # Check if any errors happend.
- unless ($errormessage) {
- # Lock the webpage and print notice about downloading
- # a new ruleset.
- &working_notice("$Lang::tr{'ids working'}");
+ # Loop through the hash of idsrules.
+ foreach my $rulefile (keys %idsrules) {
+ # Split the rulefile to get the vendor.
+ my @filename_parts = split(/-/, $rulefile);
- # Write the modify sid's file and pass the taken ruleaction.
- &IDS::write_modify_sids_file();
+ # Assign rulefile vendor.
+ my $rulefile_vendor = @filename_parts[0];
- # Call subfunction to download the ruleset.
- if(&IDS::downloadruleset()) {
- $errormessage = $Lang::tr{'could not download latest updates'};
+ # Skip the rulefile if the vendor is not our current processed provider.
+ next unless ($rulefile_vendor eq $provider);
- # Call function to store the errormessage.
- &IDS::_store_error_message($errormessage);
- } else {
- # Call subfunction to launch oinkmaster.
- &IDS::oinkmaster();
- }
+ # Check if the rulefile is enabled.
+ if ($cgiparams{$rulefile} eq "on") {
+ # Add the rulefile to the hash of enabled rulefiles of this provider.
+ $used_rulefiles{$rulefile} = "enabled";
- # Check if the IDS is running.
- if(&IDS::ids_is_running()) {
- # Call suricatactrl to stop the IDS - because of the changed
- # ruleset - the use has to configure it before suricata can be
- # used again.
- &IDS::call_suricatactrl("stop");
- }
-
- # Perform a reload of the page.
- &reload();
+ # Drop item from cgiparams hash.
+ delete $cgiparams{$rulefile};
}
- }
- }
-
-# Save ruleset.
-} elsif ($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.
- push(@enabled_rulefiles, $rulefile);
-
- # Drop item from cgiparams hash.
- delete $cgiparams{$rulefile};
- }
- }
- # 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($IDS::disabled_sids_file),
- &read_enabled_disabled_sids_file($IDS::enabled_sids_file));
-
- # 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";
+ # 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}{$sid};
- }
}
}
- }
- # Open enabled sid's file for writing.
- open(ENABLED_FILE, ">$IDS::enabled_sids_file") or die "Could not write to $IDS::enabled_sids_file. $!\n";
-
- # Open disabled sid's file for writing.
- open(DISABLED_FILE, ">$IDS::disabled_sids_file") or die "Could not write to $IDS::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 $sid\n";
- # Something strange happende - skip the current sid.
- } else {
- next;
- }
+ # Check if the hash for enabled/disabled sids contains any entries.
+ if (%enabled_disabled_sids) {
+ # Write the modifications file.
+ &General::writehash("$modifications_file", \%enabled_disabled_sids);
}
- }
- # Close file for enabled_sids after writing.
- close(ENABLED_FILE);
-
- # Close file for disabled_sids after writing.
- close(DISABLED_FILE);
+ # Write the used rulefiles file.
+ &General::writehash("$used_rulefiles_file", \%used_rulefiles);
+ }
# Call function to generate and write the used rulefiles file.
- &IDS::write_used_rulefiles_file(@enabled_rulefiles);
+ &IDS::write_used_rulefiles_file(@enabled_providers);
# Lock the webpage and print message.
- &working_notice("$Lang::tr{'ids apply ruleset changes'}");
-
- # Call oinkmaster to alter the ruleset.
- &IDS::oinkmaster();
+ &oinkmaster_web();
# Check if the IDS is running.
if(&IDS::ids_is_running()) {
- # Check if a restart of suricata is required.
- if ($suricata_restart_required) {
- # Call suricatactrl to perform the restart.
- &IDS::call_suricatactrl("restart");
- } else {
- # Call suricatactrl to perform a reload.
- &IDS::call_suricatactrl("reload");
- }
+ # Call suricatactrl to perform a reload.
+ &IDS::call_suricatactrl("reload");
}
# Reload page.
&reload();
# Download new ruleset.
-} elsif ($cgiparams{'RULESET'} eq $Lang::tr{'update ruleset'}) {
+} elsif ($cgiparams{'PROVIDERS'} eq $Lang::tr{'ids force ruleset update'}) {
+ # Assign given provider handle.
+ my $provider = $cgiparams{'PROVIDER'};
+
# Check if the red device is active.
unless (-e "${General::swroot}/red/active") {
$errormessage = "$Lang::tr{'could not download latest updates'} - $Lang::tr{'system is offline'}";
&working_notice("$Lang::tr{'ids download new ruleset'}");
# Call subfunction to download the ruleset.
- if(&IDS::downloadruleset()) {
- $errormessage = $Lang::tr{'could not download latest updates'};
+ if(&IDS::downloadruleset($provider)) {
+ $errormessage = "$provider - $Lang::tr{'could not download latest updates'}";
# Call function to store the errormessage.
&IDS::_store_error_message($errormessage);
&reload();
} else {
# Call subfunction to launch oinkmaster.
- &IDS::oinkmaster();
+ &oinkmaster_web();
# Check if the IDS is running.
if(&IDS::ids_is_running()) {
&reload();
}
}
+
+# Reset a provider to it's defaults.
+} elsif ($cgiparams{'PROVIDERS'} eq "$Lang::tr{'ids reset provider'}") {
+ # Get enabled providers.
+ my @enabled_providers = &IDS::get_enabled_providers();
+
+ # Grab provider handle from cgihash.
+ my $provider = $cgiparams{'PROVIDER'};
+
+ # Lock the webpage and print message.
+ &working_notice("$Lang::tr{'ids apply ruleset changes'}");
+
+ # Get the name of the file which contains the used rulefiles for this provider.
+ my $used_rulefiles_file = &IDS::get_provider_used_rulesfiles_file($provider);
+
+ # Remove the file if it exists.
+ unlink("$used_rulefiles_file") if (-f "$used_rulefiles_file");
+
+ # Call function to get the path and name for file which holds the ruleset modifications
+ # for the given provider.
+ my $modifications_file = &IDS::get_provider_ruleset_modifications_file($provider);
+
+ # Check if the file exists.
+ if (-f $modifications_file) {
+ # Remove the file, as requested.
+ unlink("$modifications_file");
+ }
+
+ # Write used rulesfiles file.
+ &IDS::write_used_rulefiles_file(@enabled_providers);
+
+ # Regenerate ruleset.
+ &oinkmaster_web();
+
+ # 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("reload");
+
+ # Stop suricata if no enabled provider remains.
+ } else {
+ # Call suricatactrel to perform the stop.
+ &IDS::call_suricatactrl("stop");
+ }
+ }
+
+ # Undefine providers flag.
+ undef($cgiparams{'PROVIDERS'});
+
+ # Reload page.
+ &reload();
+
# Save IDS settings.
} elsif ($cgiparams{'IDS'} eq $Lang::tr{'save'}) {
my %oldidssettings;
# Read-in current (old) IDS settings.
&General::readhash("$IDS::ids_settings_file", \%oldidssettings);
+ # Get enabled providers.
+ my @enabled_providers = &IDS::get_enabled_providers();
+
# Prevent form name from been stored in conf file.
delete $cgiparams{'IDS'};
# Check if the IDS should be enabled.
if ($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'};
+ # Check if at least one provider is enabled. Otherwise abort and display an error.
+ unless(@enabled_providers) {
+ $errormessage = $Lang::tr{'ids no enabled ruleset provider'};
}
# Loop through the array of available interfaces.
# Convert interface name into upper case.
my $zone_upper = uc($zone);
- # Check if the IDS is enabled for this interaces.
+ # Check if the IDS is enabled for these interfaces.
if ($cgiparams{"ENABLE_IDS_$zone_upper"}) {
# Increase count.
$monitored_zones++;
&General::writehash("$IDS::ids_settings_file", \%cgiparams);
}
- # 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", $cgiparams{'AUTOUPDATE_INTERVAL'});
- }
-
# Generate file to store the home net.
&IDS::generate_home_net_file();
# Generate file to store the HTTP ports.
&IDS::generate_http_ports_file();
- # Write the modify sid's file and pass the taken ruleaction.
- &IDS::write_modify_sids_file();
-
- # Check if "MONITOR_TRAFFIC_ONLY" has been changed.
- if($cgiparams{'MONITOR_TRAFFIC_ONLY'} ne $oldidssettings{'MONITOR_TRAFFIC_ONLY'}) {
- # Check if a ruleset exists.
- if (%idsrules) {
- # Lock the webpage and print message.
- &working_notice("$Lang::tr{'ids working'}");
-
- # Call oinkmaster to alter the ruleset.
- &IDS::oinkmaster();
-
- # Set reload_page to "True".
- $reload_page="True";
- }
- }
-
# Check if the IDS currently is running.
if(&IDS::ids_is_running()) {
# Check if ENABLE_IDS is set to on.
# Perform a reload of the page.
&reload();
}
+
+# Toggle Enable/Disable autoupdate for a provider
+} elsif ($cgiparams{'AUTOUPDATE'} eq $Lang::tr{'toggle enable disable'}) {
+ my %used_providers = ();
+
+ # Only go further, if an ID has been passed.
+ if ($cgiparams{'ID'}) {
+ # Assign the given ID.
+ my $id = $cgiparams{'ID'};
+
+ # Undef the given ID.
+ undef($cgiparams{'ID'});
+
+ # Read-in providers settings file.
+ &General::readhasharray($IDS::providers_settings_file, \%used_providers);
+
+ # 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{$id}[3]", "$used_providers{$id}[4]"];
+
+ # Write the changed hash to the providers settings file.
+ &General::writehasharray($IDS::providers_settings_file, \%used_providers);
+ }
+
+# 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 = ();
+
+ # Read-in providers settings file.
+ &General::readhasharray("$IDS::providers_settings_file", \%used_providers);
+
+ # Assign some nice human-readable values.
+ my $provider = $cgiparams{'PROVIDER'};
+ my $subscription_code = $cgiparams{'SUBSCRIPTION_CODE'};
+ my $status_autoupdate;
+ my $mode;
+ my $regenerate_ruleset_required;
+
+ # Handle autoupdate checkbox.
+ if ($cgiparams{'ENABLE_AUTOUPDATE'} eq "on") {
+ $status_autoupdate = "enabled";
+ } else {
+ $status_autoupdate = "disabled";
+ }
+
+ # Handle monitor traffic only checkbox.
+ if ($cgiparams{'MONITOR_TRAFFIC_ONLY'} eq "on") {
+ $mode = "IDS";
+ } else {
+ $mode = "IPS";
+ }
+
+ # Check if we are going to add a new provider.
+ if ($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'}";
+ }
+ }
+ }
+
+ # 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 = $Lang::tr{'ids subscription code required'};
+ }
+ }
+
+ # Go further if there was no error.
+ if ($errormessage eq '') {
+ my $id;
+ my $status;
+
+ # Check if we should edit an existing entry and got an ID.
+ if (($cgiparams{'PROVIDERS'} eq $Lang::tr{'update'}) && ($cgiparams{'ID'})) {
+ # Assin the provided id.
+ $id = $cgiparams{'ID'};
+
+ # Undef the given ID.
+ undef($cgiparams{'ID'});
+
+ # Grab the configured mode.
+ my $stored_mode = $used_providers{$id}[4];
+
+ # Check if the ruleset action (mode) has been changed.
+ if ($stored_mode ne $mode) {
+ # It has been changed, so the ruleset needs to be regenerated.
+ $regenerate_ruleset_required = "1";
+ }
+
+ # Grab the configured status of the corresponding entry.
+ $status = $used_providers{$id}[3];
+ } 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 %used_providers;
+
+ # 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 used providers hash..
+ $used_providers{$id} = ["$provider", "$subscription_code", "$status_autoupdate", "$status", "$mode"];
+
+ # Write the changed hash to the providers settings file.
+ &General::writehasharray($IDS::providers_settings_file, \%used_providers);
+
+ # Check if a new provider will be added.
+ if ($cgiparams{'PROVIDERS'} eq $Lang::tr{'add'}) {
+ # Check if the red device is active.
+ unless (-e "${General::swroot}/red/active") {
+ $errormessage = "$Lang::tr{'ids could not add provider'} - $Lang::tr{'system is offline'}";
+ }
+
+ # Check if enough free disk space is availabe.
+ if(&IDS::checkdiskspace()) {
+ $errormessage = "$Lang::tr{'ids could not add provider'} - $Lang::tr{'not enough disk space'}";
+ }
+
+ # Check if any errors happend.
+ unless ($errormessage) {
+ # Lock the webpage and print notice about downloading
+ # a new ruleset.
+ &working_notice("$Lang::tr{'ids working'}");
+
+ # Download the ruleset.
+ if(&IDS::downloadruleset($provider)) {
+ $errormessage = "$Lang::tr{'ids could not add provider'} - $Lang::tr{'ids unable to download the ruleset'}";
+
+ # Call function to store the errormessage.
+ &IDS::_store_error_message($errormessage);
+
+ # Remove the configured provider again.
+ &remove_provider($id);
+ } else {
+ # Extract the ruleset
+ &IDS::extractruleset($provider);
+
+ # Move the ruleset.
+ &IDS::move_tmp_ruleset();
+
+ # Cleanup temporary directory.
+ &IDS::cleanup_tmp_directory();
+ }
+
+ # Perform a reload of the page.
+ &reload();
+ } else {
+ # Remove the configured provider again.
+ &remove_provider($id);
+ }
+ }
+
+ # Check if the ruleset has to be regenerated.
+ if ($regenerate_ruleset_required) {
+ # Call oinkmaster web function.
+ &oinkmaster_web();
+
+ # Perform a reload of the page.
+ &reload();
+ }
+ }
+
+ # Undefine providers flag.
+ undef($cgiparams{'PROVIDERS'});
+
+## Toggle Enabled/Disabled for an existing provider.
+#
+} elsif ($cgiparams{'PROVIDERS'} eq $Lang::tr{'toggle enable disable'}) {
+ my %used_providers = ();
+ my $provider_includes_action;
+
+ # Value if oinkmaster has to be executed.
+ my $oinkmaster = "False";
+
+ # Only go further, if an ID has been passed.
+ if ($cgiparams{'ID'}) {
+ # Assign the given ID.
+ my $id = $cgiparams{'ID'};
+
+ # Undef the given ID.
+ undef($cgiparams{'ID'});
+
+ # Read-in file which contains the provider settings.
+ &General::readhasharray($IDS::providers_settings_file, \%used_providers);
+
+ # Grab the configured status of the corresponding entry.
+ my $status = $used_providers{$id}[3];
+
+ # Grab the provider handle.
+ my $provider_handle = $used_providers{$id}[0];
+
+ # Switch the status.
+ if ($status eq "enabled") {
+ $status = "disabled";
+
+ # Set the provider includes action to "remove" for removing the entry.
+ $provider_includes_action = "remove";
+ } else {
+ $status = "enabled";
+
+ # Set the provider includes action to "add".
+ $provider_includes_action = "add";
+
+ # This operation requires to launch oinkmaster.
+ $oinkmaster = "True";
+ }
+
+ # Modify the status of the existing entry.
+ $used_providers{$id} = ["$used_providers{$id}[0]", "$used_providers{$id}[1]", "$used_providers{$id}[2]", "$status", "$used_providers{$id}[4]"];
+
+ # Write the changed hash to the providers settings file.
+ &General::writehasharray($IDS::providers_settings_file, \%used_providers);
+
+ # Get all enabled providers.
+ my @enabled_providers = &IDS::get_enabled_providers();
+
+ # Write the main providers include file.
+ &IDS::write_used_rulefiles_file(@enabled_providers);
+
+ # Check if oinkmaster has to be executed.
+ if ($oinkmaster eq "True") {
+ # Launch oinkmaster.
+ &oinkmaster_web();
+ }
+
+ # Check if the IDS is running.
+ if(&IDS::ids_is_running()) {
+ # Gather the amount of enabled providers (elements in the array).
+ my $amount = @enabled_providers;
+
+ # Check if there are still enabled ruleset providers.
+ if ($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($cgiparams{'PROVIDERS'});
+
+ # Reload page.
+ &reload();
+ }
+
+## Remove provider from the list of used providers.
+#
+} elsif ($cgiparams{'PROVIDERS'} eq $Lang::tr{'remove'}) {
+ # Assign a nice human-readable variable.
+ my $id = $cgiparams{'ID'};
+
+ # Grab the provider name bevore deleting.
+ my $provider = &get_provider_handle($id);
+
+ # Remove the provider.
+ &remove_provider($id);
+
+ # Undef the given ID.
+ undef($cgiparams{'ID'});
+
+ # Drop the stored ruleset file.
+ &IDS::drop_dl_rulesfile($provider);
+
+ # Get the name of the provider rulessets include file.
+ my $provider_used_rulefile = &IDS::get_provider_used_rulesfiles_file($provider);
+
+ # Drop the file, it is not longer needed.
+ unlink("$provider_used_rulefile");
+
+ # Call function to get the path and name for the given providers
+ # ruleset modifications file..
+ my $modifications_file = &IDS::get_provider_ruleset_modifications_file($provider);
+
+ # Check if the file exists.
+ if (-f $modifications_file) {
+ # Remove the file, which is not longer needed.
+ unlink("$modifications_file");
+ }
+
+ # Regenerate ruleset.
+ &oinkmaster_web();
+
+ # Gather all enabled providers.
+ my @enabled_providers = &IDS::get_enabled_providers();
+
+ # Regenerate main providers include file.
+ &IDS::write_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, '');
if ($cgiparams{'RULESET'} eq "$Lang::tr{'ids customize ruleset'}" ) {
&show_customize_ruleset();
+} elsif ($cgiparams{'PROVIDERS'} ne "") {
+ &show_add_provider();
} else {
&show_mainpage();
}
## Function to display the main IDS page.
#
sub show_mainpage() {
- # Read-in idssettings and rulesetsettings
+ # Read-in idssettings and provider settings.
&General::readhash("$IDS::ids_settings_file", \%idssettings);
- &General::readhash("$IDS::rules_settings_file", \%rulessettings);
-
- # If no autoupdate intervall has been configured yet, set default value.
- unless(exists($idssettings{'AUTOUPDATE_INTERVAL'})) {
- # Set default to "weekly".
- $idssettings{'AUTOUPDATE_INTERVAL'} = 'weekly';
- }
+ &General::readhasharray("$IDS::providers_settings_file", \%used_providers);
# Read-in ignored hosts.
- &General::readhasharray("$IDS::settingsdir/ignored", \%ignored);
+ &General::readhasharray("$IDS::ignored_file", \%ignored) if (-e $IDS::ignored_file);
$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{'RULES'}{'nothing'} = '';
- $selected{'RULES'}{$rulessettings{'RULES'}} = "selected='selected'";
- $selected{'AUTOUPDATE_INTERVAL'}{'off'} = '';
- $selected{'AUTOUPDATE_INTERVAL'}{'daily'} = '';
- $selected{'AUTOUPDATE_INTERVAL'}{'weekly'} = '';
- $selected{'AUTOUPDATE_INTERVAL'}{$rulessettings{'AUTOUPDATE_INTERVAL'}} = "selected='selected'";
-
- ### Java Script ###
- print "<script>\n";
-print <<END
- // Java Script function to show/hide the text input field for
- // Oinkcode/Subscription code.
- var update_code = function() {
- if(\$('#RULES').val() == 'registered') {
- \$('#code').show();
- } else if(\$('#RULES').val() == 'subscripted') {
- \$('#code').show();
- } else if(\$('#RULES').val() == 'emerging_pro') {
- \$('#code').show();
- } else {
- \$('#code').hide();
- }
- };
-
- // JQuery function to call corresponding function when
- // the ruleset is changed or the page is loaded for showing/hiding
- // the code area.
- \$(document).ready(function() {
- \$('#RULES').change(update_code);
- update_code();
- });
- </script>
-END
-;
# Draw current state of the IDS
&Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system'});
END
}
- # Only show this area, if a ruleset is present.
- if (%idsrules) {
+ # Only show this area, if at least one ruleset provider is configured.
+ if (%used_providers) {
print <<END
<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'}> $Lang::tr{'ids monitor traffic only'}
</td>
</tr>
<tr>
<td colspan='4'><b>$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>
&Header::closebox();
- # Draw elements for ruleset configuration.
- &Header::openbox('100%', 'center', $Lang::tr{'ids ruleset settings'});
+ #
+ # 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'}' align='center'><b>$Lang::tr{'action'}</b></td>
+ <td class='base' colspan='3' bgcolor='$color{'color20'}'></td>
+ </tr>
+END
+ my $line = 1;
+
+ # 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];
-print <<END
- <form method='post' action='$ENV{'SCRIPT_NAME'}'>
- <table width='100%' border='0'>
- <tr>
- <td><b>$Lang::tr{'ids rules update'}</b></td>
- <td><b>$Lang::tr{'ids automatic rules update'}</b></td>
- </tr>
+ # Check if the item number is even or not.
+ if ($line % 2) {
+ $col="bgcolor='$color{'color22'}'";
+ } else {
+ $col="bgcolor='$color{'color20'}'";
+ }
- <tr>
- <td><select name='RULES' id='RULES'>
-END
-;
- # Get all available ruleset providers.
- my @ruleset_providers = &IDS::get_ruleset_providers();
+ # Choose icons for the checkboxes.
+ my $status_gif;
+ my $status_gdesc;
+ my $autoupdate_status_gif;
+ my $autoupdate_status_gdesc;
- # Loop throgh the list of providers.
- foreach my $provider (@ruleset_providers) {
- # Call get_provider_name function to obtain the provider name.
- my $option_string = &get_provider_name($provider);
+ # 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 = $Lang::tr{'click to enable'};
+ }
- # Print option.
- print "<option value='$provider' $selected{'RULES'}{$provider}>$option_string</option>\n";
+ # Check if the autoupdate status is enabled and select the correct image and description.
+ if ($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;
- </select>
- </td>
- <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>
+print <<END;
+ <tr>
+ <td width='33%' class='base' $col>$provider_name</td>
+ <td width='30%' class='base' $col>$rulesetdate</td>
- <tr>
- <td colspan='2'><br><br></td>
- </tr>
+ <td align='center' $col>
+ <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+ <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>
- <tr style='display:none' id='code'>
- <td colspan='2'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$rulessettings{'OINKCODE'}'></td>
- </tr>
+ <td align='center' $col>
+ <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+ <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>
- <tr>
- <td> </td>
+ <td align='center' $col>
+ <form method='post' action='$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='right'>
+ <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='$id'>
+ <input type='hidden' name='PROVIDERS' value='$Lang::tr{'remove'}'>
+ </form>
+ </td>
+ </tr>
END
-;
- # Show the "Update Ruleset"-Button only if a ruleset has been downloaded yet and automatic updates are disabled.
- if ((%idsrules) && ($rulessettings{'AUTOUPDATE_INTERVAL'} eq "off")) {
- # Display button to update the ruleset.
- print"<input type='submit' name='RULESET' value='$Lang::tr{'update ruleset'}'>\n";
+ # Increment lines value.
+ $line++;
+
}
+
+ } else {
+ # Print notice that currently no hosts are ignored.
+ print "<tr>\n";
+ print "<td class='base' colspan='2'>$Lang::tr{'guardian no entries'}</td>\n";
+ print "</tr>\n";
+ }
+
+ print "</table>\n";
+
+ # Section to add new elements or edit existing ones.
print <<END;
- <input type='submit' name='RULESET' value='$Lang::tr{'ids customize ruleset'}'>
- <input type='submit' name='RULESET' value='$Lang::tr{'save'}'>
- </td>
+ <br>
+ <hr>
+ <br>
- </tr>
+ <div align='right'>
+ <table width='100%'>
+ <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+ <tr>
+END
+
+ # Only show this button if a ruleset provider is configured.
+ if (%used_providers) {
+ print "<input type='submit' name='RULESET' value='$Lang::tr{'ids customize ruleset'}'>\n";
+ }
+print <<END;
+ <input type='submit' name='PROVIDERS' value='$Lang::tr{'ids add provider'}'>
+ </tr>
+ </form>
</table>
- </form>
+ </div>
END
-;
&Header::closebox();
<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='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='$key' />
+ <input type='hidden' name='WHITELIST' value='$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>
<br>
<hr>
<br>
-
+
<div align='center'>
<table width='100%'>
END
print"var hide = \"$Lang::tr{'ids hide'}\"\;\n";
print <<END
- // Tiny java script function to show/hide the rules
+ // Tiny javascript function to show/hide the rules
// of a given category.
function showhide(tblname) {
\$("#" + tblname).toggle();
END
;
&Header::openbox('100%', 'LEFT', "$Lang::tr{'intrusion detection system rules'}" );
- print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n";
-
- # Output display table for rule files
- print "<table width='100%'>\n";
+ print"<form method='POST' action='$ENV{'SCRIPT_NAME'}'>\n";
- # Loop over each rule file
- foreach my $rulefile (sort keys(%idsrules)) {
- my $rulechecked = '';
+ # Output display table for rule files
+ print "<table width='100%'>\n";
- # Check if rule file is enabled
- if ($idsrules{$rulefile}{'Rulefile'}{'State'} eq 'on') {
- $rulechecked = 'CHECKED';
- }
-
- # Convert rulefile name into category name.
- my $categoryname = &_rulefile_to_category($rulefile);
+ # Loop over each rule file
+ foreach my $rulefile (sort keys(%idsrules)) {
+ my $rulechecked = '';
- # Table and rows for the rule files.
- print"<tr>\n";
- print"<td class='base' width='5%'>\n";
- print"<input type='checkbox' name='$rulefile' $rulechecked>\n";
- print"</td>\n";
- print"<td class='base' width='90%'><b>$rulefile</b></td>\n";
- print"<td class='base' width='5%' align='right'>\n";
- print"<a href=\"javascript:showhide('$categoryname')\"><span id='span_$categoryname'>$Lang::tr{'ids show'}</span></a>\n";
- print"</td>\n";
- print"</tr>\n";
+ # Check if rule file is enabled
+ if ($idsrules{$rulefile}{'Rulefile'}{'State'} eq 'on') {
+ $rulechecked = 'CHECKED';
+ }
- # Rows which will be hidden per default and will contain the single rules.
- print"<tr style='display:none' id='$categoryname'>\n";
- print"<td colspan='3'>\n";
+ # 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('$categoryname')\"><span id='span_$categoryname'>$Lang::tr{'ids show'}</span></a>\n";
+ print"</td>\n";
+ print"</tr>\n";
+
+ # Rows which will be hidden per default and will contain the single rules.
+ print"<tr style='display:none' id='$categoryname'>\n";
+ print"<td colspan='3'>\n";
+
+ # Local vars
+ my $lines;
+ my $rows;
+ my $col;
+
+ # New table for the single rules.
+ print "<table width='100%'>\n";
+ # Loop over rule file rules
+ foreach my $sid (sort {$a <=> $b} keys(%{$idsrules{$rulefile}})) {
# Local vars
- my $lines;
- my $rows;
- my $col;
-
- # New table for the single rules.
- print "<table width='100%'>\n";
-
- # Loop over rule file rules
- foreach my $sid (sort {$a <=> $b} keys(%{$idsrules{$rulefile}})) {
- # Local vars
- my $ruledefchecked = '';
-
- # Skip rulefile itself.
- next if ($sid eq "Rulefile");
-
- # If 2 rules have been displayed, start a new row
- if (($lines % 2) == 0) {
- print "</tr><tr>\n";
+ my $ruledefchecked = '';
- # Increase rows by once.
- $rows++;
- }
-
- # Colour lines.
- if ($rows % 2) {
- $col="bgcolor='$color{'color20'}'";
- } else {
- $col="bgcolor='$color{'color22'}'";
- }
+ # Skip rulefile itself.
+ next if ($sid eq "Rulefile");
- # Set rule state
- if ($idsrules{$rulefile}{$sid}{'State'} eq 'on') {
- $ruledefchecked = 'CHECKED';
- }
+ # If 2 rules have been displayed, start a new row
+ if (($lines % 2) == 0) {
+ print "</tr><tr>\n";
- # 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>";
+ # Increase rows by once.
+ $rows++;
+ }
- # Increment rule count
- $lines++;
+ # Colour lines.
+ if ($rows % 2) {
+ $col="bgcolor='$color{'color20'}'";
+ } else {
+ $col="bgcolor='$color{'color22'}'";
}
- # If do not have a second rule for row, create empty cell
- if (($lines % 2) != 0) {
- print "<td class='base'></td>";
+ # Set rule state
+ if ($idsrules{$rulefile}{$sid}{'State'} eq 'on') {
+ $ruledefchecked = 'CHECKED';
}
- # Close display table
- print "</tr></table></td></tr>";
+ # Create rule checkbox and display rule description
+ print "<td class='base' width='5%' align='right' $col>\n";
+ print "<input type='checkbox' NAME='$sid' $ruledefchecked>\n";
+ print "</td>\n";
+ print "<td class='base' width='45%' $col>$idsrules{$rulefile}{$sid}{'Description'}</td>";
+
+ # Increment rule count
+ $lines++;
+ }
+
+ # If do not have a second rule for row, create empty cell
+ if (($lines % 2) != 0) {
+ print "<td class='base'></td>";
}
# Close display table
- print "</table>";
+ print "</tr></table></td></tr>";
+ }
- print <<END
+ # Close display table
+ print "</table>";
+
+ print <<END
<table width='100%'>
<tr>
<td width='100%' align='right'>
</form>
END
;
- &Header::closebox();
+ &Header::closebox();
+}
+
+#
+## 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
+;
+
+ # 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.
+ $checked{'ENABLE_AUTOUPDATE'} = "checked='checked'";
+ }
+
+ # Check if the monitor traffic only mode is set for this provider.
+ if ($used_providers{$cgiparams{'ID'}}[4] eq "IDS") {
+ # Set the checkbox to be checked.
+ $checked{'MONITOR_TRAFFIC_ONLY'} = "checked='checked'";
+ }
+
+ # Display section to force an rules update and to reset the provider.
+ &show_additional_provider_actions();
+
+ } elsif ($cgiparams{'PROVIDERS'} eq "$Lang::tr{'ids add provider'}") {
+ # Set the autoupdate to true as default.
+ $checked{'ENABLE_AUTOUPDATE'} = "checked='checked'";
+ }
+
+ &Header::openbox('100%', 'center', $Lang::tr{'ids provider settings'});
+
+print <<END
+ <form method='post' action='$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";
+ # Temporary hash to store the provier names and their handles.
+ my %tmphash = ();
+
+ # Loop through the array of ruleset providers.
+ foreach my $handle (@ruleset_providers) {
+ # Get the provider name.
+ my $name = &get_provider_name($handle);
+
+ # Add the grabbed provider name and handle to the
+ # temporary hash.
+ $tmphash{$name} = "$handle";
+ }
+
+ # Sort and loop through the temporary hash.
+ foreach my $provider_name ( sort keys %tmphash ) {
+ # Grab the provider handle.
+ my $provider = $tmphash{$provider_name};
+
+ # 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>
+ <input type='checkbox' name='ENABLE_AUTOUPDATE' $checked{'ENABLE_AUTOUPDATE'}> $Lang::tr{'ids enable automatic updates'}
+ </td>
+
+ <td>
+ <input type='checkbox' name='MONITOR_TRAFFIC_ONLY' $checked{'MONITOR_TRAFFIC_ONLY'}> $Lang::tr{'ids monitor traffic only'}
+ </td>
+ </tr>
+
+ <tr>
+ <td colspan='2' align='right'>
+ <input type='submit' value='$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();
+}
+
+#
+## Function to show the area where additional provider actions can be done.
+#
+sub show_additional_provider_actions() {
+ my $disabled;
+ my %used_providers = ();
+
+ # Read-in providers settings file.
+ &General::readhasharray("$IDS::providers_settings_file", \%used_providers);
+
+ # Assign variable for provider handle.
+ my $provider = "$used_providers{$cgiparams{'ID'}}[0]";
+
+ # Call function to get the path and name for the given provider
+ # ruleset modifications file.
+ my $modifications_file = &IDS::get_provider_ruleset_modifications_file($provider);
+
+ # Disable the reset provider button if no provider modified sids file exists.
+ unless (-f $modifications_file) {
+ $disabled = "disabled";
}
+
+ &Header::openbox('100%', 'center', "");
+ print <<END
+ <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+ <table width='100%' border="0">
+ <tr>
+ <td align='center'>
+ <input type='hidden' name='PROVIDER' value='$provider'>
+ <input type='submit' name='PROVIDERS' value='$Lang::tr{'ids reset provider'}' $disabled>
+ <input type='submit' name='PROVIDERS' value='$Lang::tr{'ids force ruleset update'}'>
+ </td>
+ </tr>
+ </table>
+ </form>
+END
+;
+ &Header::closebox();
}
#
sub working_notice ($) {
my ($message) = @_;
+ &_open_working_notice ($message);
+ &_close_working_notice();
+}
+
+#
+## Private function to lock the page and tell the user what is going on.
+#
+sub _open_working_notice ($) {
+ my ($message) = @_;
+
&Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
&Header::openbigbox('100%', 'left', '', $errormessage);
&Header::openbox( 'Waiting', 1,);
<td><img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' /></td>
<td>$message</td>
</tr>
- </table>
END
+}
+
+#
+## Private function to close a working notice.
+#
+sub _close_working_notice () {
+ print "</table>\n";
+
&Header::closebox();
&Header::closebigbox();
&Header::closepage();
}
+#
+## Function which locks the webpage and basically does the same as the
+## oinkmaster function, but provides a lot of HTML formated status output.
+#
+sub oinkmaster_web () {
+ my @enabled_providers = &IDS::get_enabled_providers();
+
+ # Lock the webpage and print message.
+ &_open_working_notice("$Lang::tr{'ids apply ruleset changes'}");
+
+ # Check if the files in rulesdir have the correct permissions.
+ &IDS::_check_rulesdir_permissions();
+
+ print "<tr><td><br><br></td></tr>\n";
+
+ # Cleanup the rules directory before filling it with the new rulests.
+ &_add_to_notice("$Lang::tr{'ids remove rule structures'}");
+ &IDS::_cleanup_rulesdir();
+
+ # Loop through the array of enabled providers.
+ foreach my $provider (@enabled_providers) {
+ &_add_to_notice("$Lang::tr{'ids extract ruleset'} $provider");
+ # Call the extractruleset function.
+ &IDS::extractruleset($provider);
+ }
+
+ # Call function to process the ruleset and do all modifications.
+ &_add_to_notice("$Lang::tr{'ids adjust ruleset'}");
+ &IDS::process_ruleset(@enabled_providers);
+
+ # Call function to merge the classification files.
+ &_add_to_notice("$Lang::tr{'ids merge classifications'}");
+ &IDS::merge_classifications(@enabled_providers);
+
+ # Call function to merge the sid to message mapping files.
+ &_add_to_notice("$Lang::tr{'ids merge sid files'}");
+ &IDS::merge_sid_msg(@enabled_providers);
+
+ # Cleanup temporary directory.
+ &_add_to_notice("$Lang::tr{'ids cleanup tmp dir'}");
+ &IDS::cleanup_tmp_directory();
+
+ # Finished - print a notice.
+ &_add_to_notice("$Lang::tr{'ids finished'}");
+
+ # Close the working notice.
+ &_close_working_notice();
+}
+
+#
+## Tiny private function to add a given message to a notice table.
+#
+sub _add_to_notice ($) {
+ my ($message) = @_;
+
+ print "<tr><td colspan='2'><li><b>$message</b></li></td></tr>\n";
+}
+
#
## A tiny function to perform a reload of the webpage after one second.
#
my $msg;
# Gather rule sid and message from the ruleline.
- if ($line =~ m/.*msg:\"(.*?)\"\; .* sid:(.*?); /) {
+ if ($line =~ m/.*msg:\s*\"(.*?)\"\;.*sid:\s*(.*?); /) {
$msg = $1;
$sid = $2;
}
#
-## Function to read-in the given enabled or disables sids file.
+## Function to get the provider handle by a given ID.
#
-sub read_enabled_disabled_sids_file($) {
- my ($file) = @_;
-
- # Temporary hash to store the sids and their state. It will be
- # returned at the end of this function.
- my %temphash;
-
- # Open the given filename.
- open(FILE, "$file") or die "Could not open $file. $!\n";
-
- # Loop through the file.
- while(<FILE>) {
- # Remove newlines.
- chomp $_;
-
- # Skip blank lines.
- next if ($_ =~ /^\s*$/);
-
- # Skip coments.
- next if ($_ =~ /^\#/);
-
- # Splitt line into sid and state part.
- my ($state, $sid) = split(" ", $_);
-
- # Skip line if the sid is not numeric.
- next unless ($sid =~ /\d+/ );
-
- # Check if the sid was enabled.
- if ($state eq "enablesid") {
- # Add the sid and its state as enabled to the temporary hash.
- $temphash{$sid} = "enabled";
- # Check if the sid was disabled.
- } elsif ($state eq "disablesid") {
- # Add the sid and its state as disabled to the temporary hash.
- $temphash{$sid} = "disabled";
- # Invalid state - skip the current sid and state.
- } else {
- next;
- }
- }
+sub get_provider_handle($) {
+ my ($id) = @_;
+
+ my %used_providers = ();
- # Close filehandle.
- close(FILE);
+ # Read-in provider settings file.
+ &General::readhasharray($IDS::providers_settings_file, \%used_providers);
- # Return the hash.
- return %temphash;
+ # Obtain the provider handle for the given ID.
+ my $provider_handle = $used_providers{$cgiparams{'ID'}}[0];
+
+ # Return the handle.
+ return $provider_handle;
}
#
return $provider_name;
}
+#
+## Function to remove a provider by a given ID.
+#
+sub remove_provider($) {
+ my ($id) = @_;
+
+ my %used_providers = ();
+
+ # Read-in provider settings file.
+ &General::readhasharray($IDS::providers_settings_file, \%used_providers);
+
+ # Drop entry from the hash.
+ delete($used_providers{$id});
+
+ # Write the changed hash to the provider settings file.
+ &General::writehasharray($IDS::providers_settings_file, \%used_providers);
+}
+
#
## Private function to convert a given rulefile to a category name.
## ( No file extension anymore and if the name contained a dot, it
projects / ipfire-2.x.git / blobdiff