Use local ieee-data if exists

Author: zeridon

support/data

@@ -33,6 +33,23 @@ determine_manufacturer () {
 		#EXCEPTION FOR SUSPECT PRODUCTS
 		[[ $address =~ ^FF:FF ]] && manufacturer="SIG Unassigned or Noncompliant OEM"
 
+		# If no cache try if we have ieee-data
+		if [ -z "$manufacturer" ] ; then
+			_temp=$(echo ${address:0:8} | sed 's/://gi')
+			_found=false
+			local remote_result=''
+			if [ ! ${_found} ] && [ -f /var/lib/ieee-data/oui.csv ] ; then
+				remote_result=$(egrep ",${_temp}," /var/lib/ieee-data/oui.csv | cut -d\, -f3)
+				_found=true
+			fi
+			if [ ! ${_found} ] && [ -f /usr/share/ieee-data/oui.csv ] ; then
+				remote_result=$(egrep ",${_temp}," /var/lib/ieee-data/oui.csv | cut -d\, -f3)
+				_found=true
+			fi
+			[ -n "$remote_result" ] && echo "${address:0:8} $remote_result" >> .manufacturer_cache
+			manufacturer="$remote_result"
+		fi
+
 		#IF CACHE DOES NOT EXIST, USE MACVENDORS.COM
 		if [ -z "$manufacturer" ]; then 
 			local remote_result=$(curl -sL https://api.macvendors.com/${address:0:8} | grep -vi "error" | head -1 | sed 's/[^A-Za-z ]//gi')
@@ -48,4 +65,4 @@ determine_manufacturer () {
 		[ -z "$manufacturer" ] && manufacturer="Unknown" && echo "${address:0:8}	Unknown" >> .manufacturer_cache
 		echo "$manufacturer"
 	fi 
-}
+}