config/interface_modify.sh: before calling a script check if it exists and is executable

For non bash shells $_s_script might end with '/*'.

We do the workarround this way, because it makes sense to check
that a script is executable, before trying to execute it.

metze

[ This actually applies to any shell -- Rusty Russell ]
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

diff --git a/config/interface_modify.sh b/config/interface_modify.sh
index 738530b4e9eb682b5e4353646cc06c2394a51974..69601ddef71027d484d4a6d52234e2939d198d4e 100755 (executable)
--- a/config/interface_modify.sh
+++ b/config/interface_modify.sh
@@ -68,6 +68,9 @@ delete_ip_from_iface()
 
                local _s_script=""
                for _s_script in $_s_script_dir/*; do
+                       test -x "$_s_script" || {
+                               continue
+                       }
                        $_s_script "$_iface" "$_s_ip" "$_s_maskbits" || {
                                ret=$?
                                echo "$_s_script '$_iface' '$_s_ip' '$_s_maskbits' - failed - $ret"