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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) International Business Machines Corp., 2001
* Copyright (c) 2020 Petr Vorel <petr.vorel@gmail.com>
* Copyright (c) Linux Test Project, 2002-2023
* 07/2001 Ported by Wayne Boyer
* 04/2002 Fixes by wjhuie
*/
/*\
* [Description]
*
* Testcase to check the errnos set by the ioctl(2) system call.
*
* - EBADF: Pass an invalid fd to ioctl(fd, ...) and expect EBADF
* - EFAULT: Pass an invalid address of arg in ioctl(fd, ..., arg)
* - EINVAL: Pass invalid cmd in ioctl(fd, cmd, arg)
* - ENOTTY: Pass an non-streams fd in ioctl(fd, cmd, arg)
* - EFAULT: Pass a NULL address for termio
*/
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <termios.h>
#include <pty.h>
#include "tst_test.h"
#include "lapi/ioctl.h"
#define INVAL_IOCTL 9999999
static int amaster, aslave;
static int fd, fd_file;
static int bfd = -1;
static struct termio termio;
static struct termios termios;
static struct tcase {
const char *desc;
int *fd;
int request;
void *s_tio;
int error;
} tcases[] = {
{"File descriptor is invalid (termio)", &bfd, TCGETA, &termio, EBADF},
{"File descriptor is invalid (termios)", &bfd, TCGETS, &termios, EBADF},
{"Termio address is invalid", &fd, TCGETA, (struct termio *)-1, EFAULT},
{"Termios address is invalid", &fd, TCGETS, (struct termios *)-1, EFAULT},
/* This errno value was changed from EINVAL to ENOTTY
* by kernel commit 07d106d0 and bbb63c51
*/
{"Command is invalid", &fd, INVAL_IOCTL, &termio, ENOTTY},
{"File descriptor is for a regular file (termio)", &fd_file, TCGETA, &termio, ENOTTY},
{"File descriptor is for a regular file (termios)", &fd_file, TCGETS, &termios, ENOTTY},
{"Termio is NULL", &fd, TCGETA, NULL, EFAULT},
{"Termios is NULL", &fd, TCGETS, NULL, EFAULT}
};
static void verify_ioctl(unsigned int i)
{
TST_EXP_FAIL(ioctl(*(tcases[i].fd), tcases[i].request, tcases[i].s_tio),
tcases[i].error, "%s", tcases[i].desc);
}
static void setup(void)
{
if (openpty(&amaster, &aslave, NULL, NULL, NULL) < 0)
tst_brk(TBROK | TERRNO, "unable to open pty");
fd = amaster;
fd_file = SAFE_OPEN("x", O_CREAT, 0777);
}
static void cleanup(void)
{
if (amaster > 0)
SAFE_CLOSE(amaster);
if (aslave > 0)
SAFE_CLOSE(aslave);
if (fd_file > 0)
SAFE_CLOSE(fd_file);
}
static struct tst_test test = {
.needs_tmpdir = 1,
.setup = setup,
.cleanup = cleanup,
.test = verify_ioctl,
.tcnt = ARRAY_SIZE(tcases)
};
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