1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2019 FUJITSU LIMITED. All rights reserved.
4 * Author: Yang Xu <xuyang2018.jy@cn.fujitsu.com>
5 */
6 #ifndef PRCTL06_H
7 #define PRCTL06_H
8
9 #include <errno.h>
10 #include <stdio.h>
11 #include <stdlib.h>
12 #include <sys/prctl.h>
13 #include <pwd.h>
14 #include <sys/types.h>
15 #include <unistd.h>
16 #include <lapi/prctl.h>
17 #include "tst_test.h"
18
19 #define PROC_STATUS "/proc/self/status"
20 #define IPC_ENV_VAR "LTP_IPC_PATH"
21 #define MNTPOINT "mntpoint"
22 #define TESTBIN "prctl06_execve"
23 #define TEST_REL_BIN_DIR MNTPOINT"/"
24 #define BIN_PATH MNTPOINT"/"TESTBIN
25 #define SUID_MODE (S_ISUID|S_ISGID|S_IXUSR|S_IXGRP|S_IXOTH)
26
check_proc_field(int val,char * name)27 void check_proc_field(int val, char *name)
28 {
29 static int flag = 1;
30 int field = 0;
31
32 if (!flag)
33 return;
34
35 TEST(FILE_LINES_SCANF(PROC_STATUS, "NoNewPrivs:%d", &field));
36 if (TST_RET == 1) {
37 tst_res(TCONF,
38 "%s doesn't support NoNewPrivs field", PROC_STATUS);
39 flag = 0;
40 return;
41 }
42 if (val == field)
43 tst_res(TPASS, "%s %s NoNewPrivs field expected %d got %d",
44 name, PROC_STATUS, val, field);
45 else
46 tst_res(TFAIL, "%s %s NoNewPrivs field expected %d got %d",
47 name, PROC_STATUS, val, field);
48 }
49
check_no_new_privs(int val,char * name)50 void check_no_new_privs(int val, char *name)
51 {
52 TEST(prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0));
53 if (TST_RET == val)
54 tst_res(TPASS,
55 "%s prctl(PR_GET_NO_NEW_PRIVS) expected %d got %d",
56 name, val, val);
57 else
58 tst_res(TFAIL,
59 "%s prctl(PR_GET_NO_NEW_PRIVS) expected %d got %ld",
60 name, val, TST_RET);
61
62 check_proc_field(val, name);
63 }
64
65 #endif
66