Refactor "get_available_network_zones", move to network-functions.pl

This function nicely translates the ethernet/settings "CONFIG_TYPE"
into a list of available zones. Therefore it should be more accessible!

Signed-off-by: Leo-Andres Hofmann <hofmann@leo-andres.de>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

config/cfgroot/ids-functions.pl

@@ -24,6 +24,7 @@
 package IDS;
 
 require '/var/ipfire/general-functions.pl';
+require "${General::swroot}/network-functions.pl";
 
 # Location where all config and settings files are stored.
 our $settingsdir = "${General::swroot}/suricata";
@@ -410,42 +411,6 @@ sub _store_error_message ($) {
 	&set_ownership("$storederrorfile");
 }
 
-#
-## Function to get a list of all available network zones.
-#
-sub get_available_network_zones () {
-	# Get netsettings.
-	my %netsettings = ();
-	&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
-
-	# Obtain the configuration type from the netsettings hash.
-	my $config_type = $netsettings{'CONFIG_TYPE'};
-
-	# Hash which contains the conversation from the config mode
-	# to the existing network interface names. They are stored like
-	# an array.
-	#
-	# Mode "0" red is a modem and green
-	# Mode "1" red is a netdev and green
-	# Mode "2" red, green and orange
-	# Mode "3" red, green and blue
-	# Mode "4" red, green, blue, orange
-	my %config_type_to_interfaces = (
-		"0" => [ "red", "green" ],
-		"1" => [ "red", "green" ],
-		"2" => [ "red", "green", "orange" ],
-		"3" => [ "red", "green", "blue" ],
-		"4" => [ "red", "green", "blue", "orange" ]
-	);
-
-	# Obtain and dereference the corresponding network interaces based on the read
-	# network config type.
-	my @network_zones = @{ $config_type_to_interfaces{$config_type} };
-
-	# Return them.
-	return @network_zones;
-}
-
 #
 ## Function to check if the IDS is running.
 #
@@ -613,7 +578,7 @@ sub generate_home_net_file() {
 	&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
 
 	# Get available network zones.
-	my @network_zones = &get_available_network_zones();
+	my @network_zones = &Network::get_available_network_zones();
 
 	# Temporary array to store network address and prefix of the configured
 	# networks.

config/cfgroot/network-functions.pl

@@ -444,6 +444,42 @@ sub get_mac_by_name($) {
 	return $mac;
 }
 
+#
+## Function to get a list of all available network zones.
+#
+sub get_available_network_zones () {
+	# Get netsettings.
+	my %netsettings = ();
+	&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
+
+	# Obtain the configuration type from the netsettings hash.
+	my $config_type = $netsettings{'CONFIG_TYPE'};
+
+	# Hash which contains the conversation from the config mode
+	# to the existing network interface names. They are stored like
+	# an array.
+	#
+	# Mode "0" red is a modem and green
+	# Mode "1" red is a netdev and green
+	# Mode "2" red, green and orange
+	# Mode "3" red, green and blue
+	# Mode "4" red, green, blue, orange
+	my %config_type_to_interfaces = (
+		"0" => [ "red", "green" ],
+		"1" => [ "red", "green" ],
+		"2" => [ "red", "green", "orange" ],
+		"3" => [ "red", "green", "blue" ],
+		"4" => [ "red", "green", "blue", "orange" ]
+	);
+
+	# Obtain and dereference the corresponding network interaces based on the read
+	# network config type.
+	my @network_zones = @{ $config_type_to_interfaces{$config_type} };
+
+	# Return them.
+	return @network_zones;
+}
+
 1;
 
 # Remove the next line to enable the testsuite

config/suricata/convert-snort

@@ -23,6 +23,7 @@ use strict;
 
 require '/var/ipfire/general-functions.pl';
 require "${General::swroot}/ids-functions.pl";
+require "${General::swroot}/network-functions.pl";
 
 # Snort settings file, which contains the settings from the WUI.
 my $snort_settings_file = "${General::swroot}/snort/settings";
@@ -129,7 +130,7 @@ my %rulessettings = (
 );
 
 # Get all available network zones.
-my @network_zones = &IDS::get_available_network_zones();
+my @network_zones = &Network::get_available_network_zones();
 
 # Read-in snort settings file.
 &General::readhash("$snort_settings_file", \%snortsettings);

html/cgi-bin/ids.cgi

@@ -29,6 +29,7 @@ require '/var/ipfire/general-functions.pl';
 require "${General::swroot}/lang.pl";
 require "${General::swroot}/header.pl";
 require "${General::swroot}/ids-functions.pl";
+require "${General::swroot}/network-functions.pl";
 
 my %color = ();
 my %mainsettings = ();
@@ -47,7 +48,7 @@ my %ignored=();
 
 # Get the available network zones, based on the config type of the system and store
 # the list of zones in an array.
-my @network_zones = &IDS::get_available_network_zones();
+my @network_zones = &Network::get_available_network_zones();
 
 # Check if openvpn is started and add it to the array of network zones.
 if ( -e "/var/run/openvpn.pid") {