upstream: test for first-match-wins in authorized_keys environment=

options

OpenBSD-Regress-ID: 1517c90276fe84b5dc5821c59f88877fcc34c0e8

regress/unittests/authopt/tests.c

@@ -1,4 +1,4 @@
-/* 	$OpenBSD: tests.c,v 1.1 2018/03/03 03:16:17 djm Exp $ */
+/* 	$OpenBSD: tests.c,v 1.2 2021/07/24 01:54:23 djm Exp $ */
 
 /*
  * Regress test for keys options functions.
@@ -270,6 +270,8 @@ test_authkeys_parse(void)
 	} while (0)
 	ARRAY_TEST("environment", "environment=\"foo=1\",environment=\"bar=2\"",
 	    env, nenv, "foo=1,bar=2");
+	ARRAY_TEST("environment", "environment=\"foo=1\",environment=\"foo=2\"",
+	    env, nenv, "foo=1");
 	ARRAY_TEST("permitopen", "permitopen=\"foo:123\",permitopen=\"bar:*\"",
 	    permitopen, npermitopen, "foo:123,bar:*");
 #undef ARRAY_TEST