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/*
* Copyright (c) 2015 Grzegorz Kostka (kostka.grzegorz@gmail.com)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include <stdbool.h>
#include <inttypes.h>
#include <time.h>
#include <unistd.h>
#include <sys/time.h>
#include <ext4.h>
#include <ext4_mbr.h>
#include "../blockdev/linux/file_dev.h"
#include "../blockdev/windows/file_windows.h"
/**@brief Input stream name.*/
const char *input_name = NULL;
/**@brief Block device handle.*/
static struct ext4_blockdev *bd;
/**@brief Indicates that input is windows partition.*/
static bool winpart = false;
static bool verbose = false;
static const char *usage = " \n\
Welcome in lwext4_mbr tool. \n\
Copyright (c) 2015 Grzegorz Kostka (kostka.grzegorz@gmail.com) \n\
Usage: \n\
[-i] --input - input file name (or blockdevice) \n\
[-w] --wpart - windows partition mode \n\
[-v] --verbose - verbose mode \n\
\n";
static bool open_linux(void)
{
file_dev_name_set(input_name);
bd = file_dev_get();
if (!bd) {
printf("open_filedev: fail\n");
return false;
}
return true;
}
static bool open_windows(void)
{
#ifdef WIN32
file_windows_name_set(input_name);
bd = file_windows_dev_get();
if (!bd) {
printf("open_winpartition: fail\n");
return false;
}
return true;
#else
printf("open_winpartition: this mode should be used only under windows "
"!\n");
return false;
#endif
}
static bool open_filedev(void)
{
return winpart ? open_windows() : open_linux();
}
static bool parse_opt(int argc, char **argv)
{
int option_index = 0;
int c;
static struct option long_options[] = {
{"input", required_argument, 0, 'i'},
{"wpart", no_argument, 0, 'w'},
{"verbose", no_argument, 0, 'v'},
{"version", no_argument, 0, 'x'},
{0, 0, 0, 0}};
while (-1 != (c = getopt_long(argc, argv, "i:wvx",
long_options, &option_index))) {
switch (c) {
case 'i':
input_name = optarg;
break;
case 'w':
winpart = true;
break;
case 'v':
verbose = true;
break;
case 'x':
puts(VERSION);
exit(0);
break;
default:
printf("%s", usage);
return false;
}
}
return true;
}
int main(int argc, char **argv)
{
int r;
if (!parse_opt(argc, argv)){
printf("parse_opt error\n");
return EXIT_FAILURE;
}
if (!open_filedev()) {
printf("open_filedev error\n");
return EXIT_FAILURE;
}
if (verbose)
ext4_dmask_set(DEBUG_ALL);
printf("ext4_mbr\n");
struct ext4_mbr_bdevs bdevs;
r = ext4_mbr_scan(bd, &bdevs);
if (r != EOK) {
printf("ext4_mbr_scan error\n");
return EXIT_FAILURE;
}
int i;
printf("ext4_mbr_scan:\n");
for (i = 0; i < 4; i++) {
printf("mbr_entry %d:\n", i);
if (!bdevs.partitions[i].bdif) {
printf("\tempty/unknown\n");
continue;
}
printf("\toffeset: 0x%"PRIx64", %"PRIu64"MB\n",
bdevs.partitions[i].part_offset,
bdevs.partitions[i].part_offset / (1024 * 1024));
printf("\tsize: 0x%"PRIx64", %"PRIu64"MB\n",
bdevs.partitions[i].part_size,
bdevs.partitions[i].part_size / (1024 * 1024));
}
return EXIT_SUCCESS;
}
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