58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) Linux Test Project, 2009-2021
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* Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
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* Author: Aniruddha Marathe <aniruddha.marathe@wipro.com>
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*/
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/*\
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* [Description]
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* Test whether libc wrapper of reboot(2) system call returns appropriate
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* error number for invalid cmd parameter or invalid user.
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*/
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#include <unistd.h>
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#include <sys/reboot.h>
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#include <linux/reboot.h>
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#include <pwd.h>
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#include "tst_test.h"
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#define INVALID_CMD 100
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#define CMD_DESC(x) .cmd = x, .desc = #x
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char nobody_uid[] = "nobody";
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struct passwd *ltpuser;
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static struct tcase {
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int cmd;
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const char *desc;
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int exp_errno;
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} tcases[] = {
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{CMD_DESC(INVALID_CMD), EINVAL},
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{CMD_DESC(LINUX_REBOOT_CMD_CAD_ON), EPERM},
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};
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static void run(unsigned int n)
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{
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struct tcase *tc = &tcases[n];
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if (n == 0)
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TST_EXP_FAIL(reboot(tc->cmd),
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tc->exp_errno, "%s", tc->desc);
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else {
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ltpuser = SAFE_GETPWNAM(nobody_uid);
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SAFE_SETEUID(ltpuser->pw_uid);
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TST_EXP_FAIL(reboot(tc->cmd),
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tc->exp_errno, "%s", tc->desc);
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SAFE_SETEUID(0);
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}
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}
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static struct tst_test test = {
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.needs_root = 1,
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.test = run,
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.tcnt = ARRAY_SIZE(tcases),
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};
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