From 54491d275184428be6e28e3f22f04859b7288105 Mon Sep 17 00:00:00 2001
From: Eric Blake <ebb9@byu.net>
Date: Wed, 28 Oct 2009 06:21:24 -0600
Subject: printenv: ignore bogus variable names

Exposed by env a=b=c printenv a=b.

* src/printenv.c (main): Silently reject = in names.
* tests/misc/printenv: Test for it.
* NEWS: Document this.
---
 tests/misc/printenv | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'tests')

diff --git a/tests/misc/printenv b/tests/misc/printenv
index bbda1dbd4..bc51fca0b 100755
--- a/tests/misc/printenv
+++ b/tests/misc/printenv
@@ -77,4 +77,10 @@ echo b > exp || framework_failure
 env -- -a=b printenv -- -a > out || fail=1
 compare exp out || fail=1
 
+# Silently reject invalid env-var names.
+# Bug present through coreutils 8.0.
+env a=b=c printenv a=b > out
+test $? = 1 || fail=1
+test -s out && fail=1
+
 Exit $fail
-- 
cgit v1.2.3-54-g00ecf