ids-functions.pl: Add function to the the current assigned IP-address of RED.

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

diff --git a/config/cfgroot/ids-functions.pl b/config/cfgroot/ids-functions.pl
index a7c1585228bad394e927a32525e6ff612786fc3f..1f782b5c153fcbcd245f1c6b4625c4f954efd440 100644 (file)
--- a/config/cfgroot/ids-functions.pl
+++ b/config/cfgroot/ids-functions.pl
@@ -901,5 +901,36 @@ sub get_aliases() {
        return @aliases;
 }
 
+#
+## Function to grab the current assigned IP-address on red.
+#
+sub get_red_address() {
+       # File, which contains the current IP-address of the red interface.
+       my $file = "${General::swroot}/red/local-ipaddress";
+
+       # Check if the file exists.
+       if (-e $file) {
+               # Open the given file.
+               open(FILE, "$file") or die "Could not open $file.";
+
+               # Obtain the address from the first line of the file.
+               my $address = <FILE>;
+
+               # Close filehandle
+               close(FILE);
+
+               # Remove newlines.
+               chomp $address;
+
+               # Check if the grabbed address is valid.
+               if (&General::validip($address)) {
+                       # Return the address.
+                       return $address;
+               }
+       }
+
+       # Return nothing.
+       return;
+}
 
 1;