M7350/filesystems/mtd-utils/tests/ubi-tests/mkvol_bad.c

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2024-09-09 08:57:42 +00:00
/*
* Copyright (c) International Business Machines Corp., 2006
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Author: Artem B. Bityutskiy
*
* Test UBI volume creation and deletion ioctl()s with bad input and in case of
* incorrect usage.
*/
#include <string.h>
#include <errno.h>
#include <stdio.h>
#include "libubi.h"
#define PROGRAM_NAME "mkvol_bad"
#include "common.h"
#include "helpers.h"
static libubi_t libubi;
static struct ubi_dev_info dev_info;
const char *node;
/**
* test_mkvol - test that UBI mkvol ioctl rejects bad input parameters.
*
* This function returns %0 if the test passed and %-1 if not.
*/
static int test_mkvol(void)
{
int ret, i;
struct ubi_mkvol_request req;
const char *name = PROGRAM_NAME ":test_mkvol()";
req.alignment = 1;
req.bytes = dev_info.avail_bytes;
req.vol_type = UBI_DYNAMIC_VOLUME;
req.name = name;
/* Bad volume ID */
req.vol_id = -2;
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, EINVAL, "ubi_mkvol", "vol_id = %d", req.vol_id))
return -1;
req.vol_id = dev_info.max_vol_count;
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, EINVAL, "ubi_mkvol", "vol_id = %d", req.vol_id))
return -1;
/* Bad alignment */
req.vol_id = 0;
req.alignment = 0;
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, EINVAL, "ubi_mkvol", "alignment = %d",
req.alignment))
return -1;
req.alignment = -1;
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, EINVAL, "ubi_mkvol", "alignment = %d",
req.alignment))
return -1;
req.alignment = dev_info.leb_size + 1;
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, EINVAL, "ubi_mkvol", "alignment = %d",
req.alignment))
return -1;
if (dev_info.min_io_size > 1) {
req.alignment = dev_info.min_io_size + 1;
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, EINVAL, "ubi_mkvol", "alignment = %d",
req.alignment))
return -1;
}
/* Bad bytes */
req.alignment = 1;
req.bytes = -1;
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, EINVAL, "ubi_mkvol", "bytes = %lld", req.bytes))
return -1;
req.bytes = 0;
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, EINVAL, "ubi_mkvol", "bytes = %lld", req.bytes))
return -1;
req.bytes = dev_info.avail_bytes + 1;
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, ENOSPC, "ubi_mkvol", "bytes = %lld", req.bytes))
return -1;
req.alignment = dev_info.leb_size - dev_info.min_io_size;
req.bytes = (dev_info.leb_size - dev_info.leb_size % req.alignment) *
dev_info.avail_lebs + 1;
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, ENOSPC, "ubi_mkvol", "bytes = %lld", req.bytes))
return -1;
/* Bad vol_type */
req.alignment = 1;
req.bytes = dev_info.leb_size;
req.vol_type = UBI_DYNAMIC_VOLUME + UBI_STATIC_VOLUME;
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, EINVAL, "ubi_mkvol", "vol_type = %d",
req.vol_type))
return -1;
req.vol_type = UBI_DYNAMIC_VOLUME;
/* Too long name */
{
char name[UBI_VOL_NAME_MAX + 5];
memset(name, 'x', UBI_VOL_NAME_MAX + 1);
name[UBI_VOL_NAME_MAX + 1] = '\0';
req.name = name;
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, EINVAL, "ubi_mkvol", "name_len = %d",
UBI_VOL_NAME_MAX + 1))
return -1;
}
/* Try to create 2 volumes with the same ID and name */
req.name = name;
req.vol_id = 0;
if (ubi_mkvol(libubi, node, &req)) {
failed("ubi_mkvol");
return -1;
}
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, EEXIST, "ubi_mkvol",
"volume with ID 0 created twice"))
return -1;
req.vol_id = 1;
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, EEXIST, "ubi_mkvol",
"volume with name \"%s\" created twice", name))
return -1;
if (ubi_rmvol(libubi, node, 0)) {
failed("ubi_rmvol");
return -1;
}
/* Try to use too much space */
req.vol_id = 0;
req.bytes = dev_info.avail_bytes;
if (ubi_mkvol(libubi, node, &req)) {
failed("ubi_mkvol");
return -1;
}
req.bytes = 1;
req.vol_id = 1;
ret = ubi_mkvol(libubi, node, &req);
if (check_failed(ret, EEXIST, "ubi_mkvol",
"created volume of maximum size %lld, but still "
"can create more volumes", dev_info.avail_bytes))
return -1;
if (ubi_rmvol(libubi, node, 0)) {
failed("ubi_rmvol");
return -1;
}
/* Try to create too many volumes */
for (i = 0; i < dev_info.max_vol_count; i++) {
char nm[strlen(name) + 50];
req.vol_id = UBI_VOL_NUM_AUTO;
req.alignment = 1;
req.bytes = 1;
req.vol_type = UBI_STATIC_VOLUME;
sprintf(nm, "%s:%d", name, i);
req.name = nm;
if (ubi_mkvol(libubi, node, &req)) {
/*
* Note, because of gluebi we may be unable to create
* dev_info.max_vol_count devices (MTD restrictions).
*/
if (errno == ENFILE)
break;
failed("ubi_mkvol");
errorm("vol_id %d", i);
goto remove;
}
}
for (i = 0; i < dev_info.max_vol_count + 1; i++)
ubi_rmvol(libubi, node, i);
return 0;
remove:
for (i = 0; i < dev_info.max_vol_count + 1; i++)
ubi_rmvol(libubi, node, i);
return -1;
}
/**
* test_rmvol - test that UBI rmvol ioctl rejects bad input parameters.
*
* This function returns %0 if the test passed and %-1 if not.
*/
static int test_rmvol(void)
{
int ret;
struct ubi_mkvol_request req;
const char *name = PROGRAM_NAME ":test_rmvol()";
/* Bad vol_id */
ret = ubi_rmvol(libubi, node, -1);
if (check_failed(ret, EINVAL, "ubi_rmvol", "vol_id = -1"))
return -1;
ret = ubi_rmvol(libubi, node, dev_info.max_vol_count);
if (check_failed(ret, EINVAL, "ubi_rmvol", "vol_id = %d",
dev_info.max_vol_count))
return -1;
/* Try to remove non-existing volume */
ret = ubi_rmvol(libubi, node, 0);
if (check_failed(ret, ENODEV, "ubi_rmvol",
"removed non-existing volume 0"))
return -1;
/* Try to remove volume twice */
req.vol_id = UBI_VOL_NUM_AUTO;
req.alignment = 1;
req.bytes = dev_info.avail_bytes;
req.vol_type = UBI_DYNAMIC_VOLUME;
req.name = name;
if (ubi_mkvol(libubi, node, &req)) {
failed("ubi_mkvol");
return -1;
}
if (ubi_rmvol(libubi, node, req.vol_id)) {
failed("ubi_rmvol");
return -1;
}
ret = ubi_rmvol(libubi, node, req.vol_id);
if (check_failed(ret, ENODEV, "ubi_rmvol", "volume %d removed twice",
req.vol_id))
return -1;
return 0;
}
int main(int argc, char * const argv[])
{
if (initial_check(argc, argv))
return 1;
node = argv[1];
libubi = libubi_open();
if (libubi == NULL) {
failed("libubi_open");
return 1;
}
if (ubi_get_dev_info(libubi, node, &dev_info)) {
failed("ubi_get_dev_info");
goto close;
}
if (test_mkvol())
goto close;
if (test_rmvol())
goto close;
libubi_close(libubi);
return 0;
close:
libubi_close(libubi);
return 1;
}