treewide: filter shell arguments through shellquote() where applicable

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 3 insertions, 3 deletions

diff --git a/applications/luci-app-openvpn/luasrc/model/cbi/openvpn.lua b/applications/luci-app-openvpn/luasrc/model/cbi/openvpn.lua
index 719145b887..ccad531513 100644
--- a/applications/luci-app-openvpn/luasrc/model/cbi/openvpn.lua
+++ b/applications/luci-app-openvpn/luasrc/model/cbi/openvpn.lua
@@ -26,9 +26,9 @@ uci:foreach( "openvpn_recipes", "openvpn_recipe",
 )
 
 function s.getPID(section) -- Universal function which returns valid pid # or nil
-	local pid = sys.exec("%s | grep -w %s | grep openvpn | grep -v grep | awk '{print $1}'" % { psstring,section} )
-	if pid and #pid > 0 and tonumber(pid) ~= nil then
-		return tonumber(pid)
+	local pid = sys.exec("%s | grep -w [o]penvpn(%s)" % { psstring, section })
+	if pid and #pid > 0 then
+		return tonumber(pid:match("^%d+"))
 	else
 		return nil
 	end