You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
1.5 KiB
84 lines
1.5 KiB
7 months ago
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
|
/*
|
||
|
|
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* access(2) test for errno(s) EFAULT as root and nobody respectively.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <errno.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <pwd.h>
|
||
|
|
#include "tst_test.h"
|
||
|
|
|
||
|
|
static uid_t uid;
|
||
|
|
|
||
|
|
static struct tcase {
|
||
|
|
void *addr;
|
||
|
|
int mode;
|
||
|
|
char *name;
|
||
|
|
} tcases[] = {
|
||
|
|
{(void *)-1, F_OK, "F_OK"},
|
||
|
|
{(void *)-1, R_OK, "R_OK"},
|
||
|
|
{(void *)-1, W_OK, "W_OK"},
|
||
|
|
{(void *)-1, X_OK, "X_OK"},
|
||
|
|
};
|
||
|
|
|
||
|
|
static void access_test(struct tcase *tc, const char *user)
|
||
|
|
{
|
||
|
|
TEST(access(tc->addr, tc->mode));
|
||
|
|
|
||
|
|
if (TST_RET != -1) {
|
||
|
|
tst_res(TFAIL, "access(%p, %s) as %s succeeded unexpectedly",
|
||
|
|
tc->addr, tc->name, user);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (TST_ERR != EFAULT) {
|
||
|
|
tst_res(TFAIL | TTERRNO,
|
||
|
|
"access(%p, %s) as %s should fail with EFAULT",
|
||
|
|
tc->addr, tc->name, user);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
tst_res(TPASS | TTERRNO, "access(%p, %s) as %s",
|
||
|
|
tc->addr, tc->name, user);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void verify_access(unsigned int n)
|
||
|
|
{
|
||
|
|
struct tcase *tc = &tcases[n];
|
||
|
|
pid_t pid;
|
||
|
|
|
||
|
|
/* test as root */
|
||
|
|
access_test(tc, "root");
|
||
|
|
|
||
|
|
/* test as nobody */
|
||
|
|
pid = SAFE_FORK();
|
||
|
|
if (pid) {
|
||
|
|
SAFE_WAITPID(pid, NULL, 0);
|
||
|
|
} else {
|
||
|
|
SAFE_SETUID(uid);
|
||
|
|
access_test(tc, "nobody");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void setup(void)
|
||
|
|
{
|
||
|
|
struct passwd *pw;
|
||
|
|
|
||
|
|
pw = SAFE_GETPWNAM("nobody");
|
||
|
|
|
||
|
|
uid = pw->pw_uid;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct tst_test test = {
|
||
|
|
.tcnt = ARRAY_SIZE(tcases),
|
||
|
|
.needs_root = 1,
|
||
|
|
.forks_child = 1,
|
||
|
|
.setup = setup,
|
||
|
|
.test = verify_access,
|
||
|
|
};
|