luci-app-openvpn: quote grep expression in getPID()

Fixes c0d9c4f3c ("treewide: filter shell arguments through shellquote() where applicable")

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

diff --git a/applications/luci-app-openvpn/luasrc/model/cbi/openvpn.lua b/applications/luci-app-openvpn/luasrc/model/cbi/openvpn.lua
index ccad531513c328e2f5491049566a50f7de31fa72..52ba9e3f298a7db4928630166f6ff39d72b0f9d9 100644 (file)
--- a/applications/luci-app-openvpn/luasrc/model/cbi/openvpn.lua
+++ b/applications/luci-app-openvpn/luasrc/model/cbi/openvpn.lua
@@ -26,7 +26,7 @@ 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 [o]penvpn(%s)" % { psstring, section })
+       local pid = sys.exec("%s | grep -w '[o]penvpn(%s)'" % { psstring, section })
        if pid and #pid > 0 then
                return tonumber(pid:match("^%d+"))
        else