40 lines
837 B
C
40 lines
837 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2014 Fujitsu Ltd.
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* Author: Zeng Linggang <zenglg.jy@cn.fujitsu.com>
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* Copyright (c) 2022 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com>
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*/
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/*\
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* [Description]
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*
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* Verify that setegid() fails with EPERM when the calling process is not
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* privileged and egid does not match the current real group ID,
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* current effective group ID, or current saved set-group-ID.
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*/
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#include <pwd.h>
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#include "tst_test.h"
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static struct passwd *ltpuser;
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static void setup(void)
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{
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ltpuser = SAFE_GETPWNAM("nobody");
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SAFE_SETEUID(ltpuser->pw_uid);
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}
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static void setegid_verify(void)
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{
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TST_EXP_FAIL(setegid(ltpuser->pw_gid),
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EPERM,
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"setegid(%d)",
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ltpuser->pw_gid);
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}
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static struct tst_test test = {
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.setup = setup,
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.test_all = setegid_verify,
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.needs_root = 1
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};
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