1 /*
2 * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice, this list of
8 * conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11 * of conditions and the following disclaimer in the documentation and/or other materials
12 * provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific prior written
16 * permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
27 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
28 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include <cstdio>
32 #include <unistd.h>
33 #include <cstdlib>
34 #include <fcntl.h>
35 #include <cstring>
36 #include <gtest/gtest.h>
37 #include "It_process_plimits.h"
38
ItProcessPlimitsDevices009(void)39 void ItProcessPlimitsDevices009(void)
40 {
41 int fd;
42 int ret;
43 mode_t mode;
44 std::string test_dev = "/dev/hi_mipi";
45 std::string device_a = "a";
46 std::string path = "/proc/plimits/test";
47 std::string devicesDenyPath = "/proc/plimits/test/devices.deny";
48
49 ret = mkdir(path.c_str(), S_IFDIR | mode);
50 ASSERT_EQ(ret, 0);
51
52 ret = WriteFile(devicesDenyPath.c_str(), device_a.c_str());
53 ASSERT_NE(ret, -1);
54
55 fd = open(test_dev.c_str(), O_RDONLY|O_CREAT);
56 ASSERT_EQ(fd, -1);
57 (void)close(fd);
58
59 fd = open(test_dev.c_str(), O_WRONLY|O_CREAT);
60 ASSERT_EQ(fd, -1);
61 (void)close(fd);
62
63 ret = rmdir(path.c_str());
64 ASSERT_EQ(ret, 0);
65 }
66