Merge pull request #398 from f0o/issue-397

Added ifAlias support for various distributions

scripts/ifAlias

@@ -1,5 +1,5 @@
 #!/bin/bash
-# (c) 2013, f0o@devilcode.org
+# (c) 2013, 2014, f0o@devilcode.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
 # the Free Software Foundation, either version 3 of the License, or
@@ -45,6 +45,29 @@ if [ "X${IFACE}" = "X" ]; then
 	echo noSuchName
 else
 	echo "string"
-	echo $(grep "^# $IFACE:" /etc/network/interfaces | sed "s/^# $IFACE: //")
+	if [ -x /usr/bin/distro ]; then
+		case $(distro | cut -d " " -f 1) in
+			Debian)
+				cnf="/etc/network/interfaces"
+			;;
+			Gentoo)
+				cnf="/etc/conf.d/net"
+			;;
+			CentOS|RedHat|SuSE|Mandriva|Mandrake)
+				cnf="/etc/sysconfig/network-scripts/ifcfg-$IFACE"
+			;;
+			Archlinux)
+				cnf="/etc/conf.d/net-conf-$IFACE"
+			;;
+			*)
+				cnf=""
+			;;
+		esac
+	fi
+	if [ -n "$cnf" ]; then
+		echo $(grep -i "^# $IFACE:" $cnf | sed "s/^# $IFACE: //i")
+	else
+		echo
+	fi
 fi
 exit 0