From e1036011baf9204d5fe6dd74e5a65f95b9681ebd Mon Sep 17 00:00:00 2001
From: Ioana Ciornei <ioana.ciornei@nxp.com>
Date: Tue, 24 Oct 2017 16:29:56 +0000
Subject: [PATCH 07/12] scripts: use Bourne shell's pattern matching

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
---
 scripts/ls-main | 71 ++++++++++++++++++++++++++++-----------------------------
 1 file changed, 35 insertions(+), 36 deletions(-)

diff --git a/scripts/ls-main b/scripts/ls-main
index b0c742e..a8b9573 100755
--- a/scripts/ls-main
+++ b/scripts/ls-main
@@ -72,8 +72,6 @@
 #
 ##
 
-shopt -s extglob
-
 # Intercept the Ctrl+C command but do not interrupt execution
 trap ' ' INT
 
@@ -370,15 +368,16 @@ process_addmux() {
 			-c=* | --container=*)
 				container="${i#*=}"
 				;;
-			*(dprc.+([0-9])/)dpmac.+([0-9]))
-				endpoint="${i#*=}"
-				;;
-			*(dprc.+([0-9])/)dpni.+([0-9]))
-				endpoint="${i#*=}"
-				;;
 			*)
-				usage_addmux
-				exit 1
+				arg_dpmac="$(echo $i | grep -x -E "(dprc.[0-9]+/)*dpmac.[0-9]+" || true )"
+				arg_dpni="$(echo $i | grep -x -E "(dprc.+[0-9]+/)*dpni.[0-9]+" || true )"
+				if [ "$i" = "$arg_dpmac"  ] ||
+				   [ "$i" = "$arg_dpni" ]; then
+					endpoint="$i"
+				else
+					usage_addmux
+					exit 1
+				fi
 				;;
 		esac
 	done
@@ -560,14 +559,17 @@ process_addsw() {
 			-c=* | --container=*)
 				container="${i#*=}"
 				;;
-			@(dpni|dpmac).+([0-9]))
-				endpoint="${endpoint}"$'\n'"${i}"
-				ifcnt=$((ifcnt + 1))
-				;;
 			*)
-				echo "Error: $i argument is invalid"
-				usage_addsw
-				exit 1
+				arg_dpmac="$(echo $i | grep -x -E "dpmac.[0-9]+" || true )"
+				arg_dpni="$(echo $i | grep -x -E "dpni.[0-9]+" || true )"
+				if [ "$i" = "$arg_dpmac"  ] ||
+				   [ "$i" = "$arg_dpni" ]; then
+					endpoint="$i"
+				else
+					echo "Error: $i argument is invalid"
+					usage_addsw
+					exit 1
+				fi
 				;;
 		esac
 	done
@@ -704,7 +706,8 @@ process_addni() {
 				;;
 			--mac-addr=*)
 				mac_addr="${i#*=}"
-				if [[ ! "$mac_addr" =~ ^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$ ]]; then
+				mac_addr_valid="$(echo $mac_addr | grep -x -E "^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$" || true )"
+				if [ "$mac_addr" != "$mac_addr_valid" ]; then
 					echo "Invalid MAC address: $mac_addr"
 					exit 1
 				fi
@@ -776,25 +779,21 @@ process_addni() {
 			-o=* | --options=*)
 				options="${i#*=}"
 				;;
-			*(dprc.+([0-9])/)dpmac.+([0-9]))
-				no_link=0
-				endpoint="${i#*=}"
-				;;
-			*(dprc.+([0-9])/)dpni.+([0-9]))
-				no_link=0
-				endpoint="${i#*=}"
-				;;
-			*(dprc.+([0-9])/)dpdmux.+([0-9]).+([0-9]))
-				no_link=0
-				endpoint="${i#*=}"
-				;;
-			*(dprc.+([0-9])/)dpsw.+([0-9]).+([0-9]))
-				no_link=0
-				endpoint="${i#*=}"
-				;;
 			*)
-				usage_addni
-				exit 1
+				arg_dpmac="$(echo $i | grep -x -E "(dprc.[0-9]+/)*dpmac.[0-9]+" || true )"
+				arg_dpni="$(echo $i | grep -x -E "(dprc.+[0-9]+/)*dpni.[0-9]+" || true )"
+				arg_dpdmux="$(echo $i | grep -x -E "(dprc.[0-9]+/)*dpdmux.[0-9]+.[0-9]+" || true )"
+				arg_dpsw="$(echo $i | grep -x -E "(dprc.[0-9]+/)*dpsw.[0-9]+.[0-9]+" || true )"
+				if [ "$i" = "$arg_dpmac"  ] ||
+				   [ "$i" = "$arg_dpni"   ] ||
+				   [ "$i" = "$arg_dpdmux" ] ||
+				   [ "$i" = "$arg_dpsw" ]; then
+					no_link=0
+					endpoint="$i"
+				else
+					usage_addni
+					exit 1
+				fi
 				;;
 		esac
 	done
-- 
2.14.1