tools/testing/selftests/landlock/scoped_test.c

   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