ash: only allow local variables in functions

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/shell/ash.c b/shell/ash.c
index a2e06184b..0d7cac0b5 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -8987,6 +8987,9 @@ localcmd(int argc UNUSED_PARAM, char **argv)
 {
         char *name;
 
+        if (!funcnest)
+                ash_msg_and_raise_error("not in a function");
+
         argv = argptr;
         while ((name = *argv++) != NULL) {
                 mklocal(name);