64 lines
1.1 KiB
C
64 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
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*/
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/*
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* access(2) test for errno(s) EFAULT as root and nobody respectively.
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*/
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#include <errno.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <pwd.h>
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#include "tst_test.h"
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static uid_t uid;
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static struct tcase {
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void *addr;
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int mode;
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char *name;
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} tcases[] = {
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{(void *)-1, F_OK, "F_OK"},
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{(void *)-1, R_OK, "R_OK"},
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{(void *)-1, W_OK, "W_OK"},
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{(void *)-1, X_OK, "X_OK"},
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};
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static void verify_access(unsigned int n)
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{
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struct tcase *tc = &tcases[n];
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pid_t pid;
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TST_EXP_FAIL(access(tc->addr, tc->mode), EFAULT,
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"invalid address as root");
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/* test as nobody */
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pid = SAFE_FORK();
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if (pid) {
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SAFE_WAITPID(pid, NULL, 0);
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} else {
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SAFE_SETUID(uid);
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TST_EXP_FAIL(access(tc->addr, tc->mode), EFAULT,
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"invalid address as nobody");
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}
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}
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static void setup(void)
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{
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struct passwd *pw;
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pw = SAFE_GETPWNAM("nobody");
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uid = pw->pw_uid;
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}
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static struct tst_test test = {
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.tcnt = ARRAY_SIZE(tcases),
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.needs_root = 1,
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.forks_child = 1,
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.setup = setup,
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.test = verify_access,
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};
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