119 lines
2.6 KiB
C
119 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) Crackerjack Project., 2007-2008 ,Hitachi, Ltd
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* Author(s): Takahiro Yasui <takahiro.yasui.mp@hitachi.com>,
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* Yumiko Sugita <yumiko.sugita.yf@hitachi.com>,
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* Satoshi Fujiwara <sa-fuji@sdl.hitachi.co.jp>
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* Copyright (c) 2016 Linux Test Project
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*/
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#include <errno.h>
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#include <pwd.h>
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#include <mqueue.h>
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#include "tst_test.h"
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#include "tst_safe_posix_ipc.h"
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#define QUEUE_NAME "/test_mqueue"
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static uid_t euid;
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static struct passwd *pw;
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struct test_case {
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int as_nobody;
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char *qname;
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int ret;
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int err;
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};
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static struct test_case tcase[] = {
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{
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.qname = QUEUE_NAME,
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.ret = 0,
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.err = 0,
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},
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{
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.as_nobody = 1,
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.qname = QUEUE_NAME,
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.ret = -1,
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.err = EACCES,
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},
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{
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.qname = "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaa",
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.ret = -1,
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.err = ENOENT,
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},
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{
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.qname = "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaa",
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.ret = -1,
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.err = ENAMETOOLONG,
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},
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};
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void setup(void)
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{
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euid = geteuid();
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pw = SAFE_GETPWNAM("nobody");
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}
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static void do_test(unsigned int i)
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{
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struct test_case *tc = &tcase[i];
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mqd_t fd;
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tst_res(TINFO, "queue name %s", tc->qname);
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/*
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* When test ended with SIGTERM etc, mq descriptor is left remains.
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* So we delete it first.
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*/
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mq_unlink(QUEUE_NAME);
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/* prepare */
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fd = SAFE_MQ_OPEN(QUEUE_NAME, O_CREAT | O_EXCL | O_RDWR, S_IRWXU, NULL);
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if (tc->as_nobody && seteuid(pw->pw_uid)) {
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tst_res(TFAIL | TERRNO, "seteuid failed");
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goto EXIT;
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}
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/* test */
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TEST(mq_unlink(tc->qname));
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if (TST_ERR != tc->err || TST_RET != tc->ret) {
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tst_res(TFAIL | TTERRNO, "mq_unlink returned %ld, expected %d,"
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" expected errno %s (%d)", TST_RET,
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tc->ret, tst_strerrno(tc->err), tc->err);
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} else {
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tst_res(TPASS | TTERRNO, "mq_unlink returned %ld", TST_RET);
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}
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EXIT:
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/* cleanup */
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if (tc->as_nobody && seteuid(euid) == -1)
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tst_res(TWARN | TERRNO, "seteuid back to %d failed", euid);
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if (fd > 0 && close(fd))
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tst_res(TWARN | TERRNO, "close(fd) failed");
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mq_unlink(QUEUE_NAME);
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}
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static struct tst_test test = {
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.tcnt = ARRAY_SIZE(tcase),
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.test = do_test,
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.needs_root = 1,
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.setup = setup,
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};
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