From: Sergey Matveev <stargrave@stargrave.org>
Date: Sun, 7 Feb 2016 13:29:34 +0000 (+0300)
Subject: Explicitly use local scope of function variables for safety
X-Git-Tag: 5.6^2~3
X-Git-Url: http://www.git.cypherpunks.ru/?p=govpn.git;a=commitdiff_plain;h=5da04ae460b8ea00adf15d525fba109503a289ea

Explicitly use local scope of function variables for safety

Signed-off-by: Sergey Matveev <stargrave@stargrave.org>
---

diff --git a/utils/addroute.sh b/utils/addroute.sh
index 4c5672b..781505c 100755
--- a/utils/addroute.sh
+++ b/utils/addroute.sh
@@ -23,7 +23,7 @@ tear_down_dev() {
 
 
 do_connect() {
-  OLDGW=$(ip route show 0/0 | sed -e 's/^default//')
+  local OLDGW=$(ip route show 0/0 | sed -e 's/^default//')
   ip link set dev $TAPDEV up
   ip addr add $INTERNAL_IP4_ADDRESS dev $TAPDEV
   ip route add $VPNGATEWAY $OLDGW