50 lines
994 B
C
50 lines
994 B
C
// SPDX-License-Identifier: GPL-2.0
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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 after updating euid with setresuid(), any file creation
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* also gets the new euid as its owner user ID.
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*/
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#include <pwd.h>
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#include <sys/stat.h>
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#include "tst_test.h"
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#include "compat_tst_16.h"
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#define TEMP_FILE "testfile"
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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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UID16_CHECK(ltpuser->pw_uid, "setresuid");
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}
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static void run(void)
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{
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struct stat buf;
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TST_EXP_PASS(SETRESUID(-1, ltpuser->pw_uid, -1));
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SAFE_TOUCH(TEMP_FILE, 0644, NULL);
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SAFE_STAT(TEMP_FILE, &buf);
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TST_EXP_EQ_LI(ltpuser->pw_uid, buf.st_uid);
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SAFE_UNLINK(TEMP_FILE);
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TST_EXP_PASS_SILENT(SETRESUID(-1, 0, -1));
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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 = run,
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.needs_root = 1,
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.needs_tmpdir = 1
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};
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