xref: /linux/tools/testing/selftests/landlock/scoped_test.c (revision 566ab427f827b0256d3e8ce0235d088e6a9c28bd)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Landlock tests - Common scope restriction
4  *
5  * Copyright © 2024 Tahera Fahimi <fahimitahera@gmail.com>
6  */
7 
8 #define _GNU_SOURCE
9 #include <errno.h>
10 #include <linux/landlock.h>
11 #include <sys/prctl.h>
12 
13 #include "common.h"
14 
15 #define ACCESS_LAST LANDLOCK_SCOPE_SIGNAL
16 
17 TEST(ruleset_with_unknown_scope)
18 {
19 	__u64 scoped_mask;
20 
21 	for (scoped_mask = 1ULL << 63; scoped_mask != ACCESS_LAST;
22 	     scoped_mask >>= 1) {
23 		struct landlock_ruleset_attr ruleset_attr = {
24 			.scoped = scoped_mask,
25 		};
26 
27 		ASSERT_EQ(-1, landlock_create_ruleset(&ruleset_attr,
28 						      sizeof(ruleset_attr), 0));
29 		ASSERT_EQ(EINVAL, errno);
30 	}
31 }
32 
33 TEST_HARNESS_MAIN
34