update-ids-ruleset: Skip unsupported providers.

In case a configured provider is not longer supported, simply skip it
and do not try to perform an update.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>

src/scripts/update-ids-ruleset

@@ -26,6 +26,9 @@ require '/var/ipfire/general-functions.pl';
 require "${General::swroot}/ids-functions.pl";
 require "${General::swroot}/lang.pl";
 
+# Import ruleset providers file.
+require "$IDS::rulesetsourcesfile";
+
 # Load perl module to talk to the kernel syslog.
 use Sys::Syslog qw(:DEFAULT setlogsock);
 
@@ -102,6 +105,9 @@ foreach my $id (keys %providers) {
 	my $enabled_status = $providers{$id}[2];
 	my $autoupdate_status = $providers{$id}[3];
 
+	# Skip unsupported providers.
+	next unless($IDS::Ruleset::Providers{$provider});
+
 	# Skip the provider if it is not enabled.
 	next unless($enabled_status eq "enabled");