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/*
0xFFFF - Open Free Fiasco Firmware Flasher
Copyright (C) 2012 Pali Rohár <pali.rohar@gmail.com>
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <fcntl.h>
#include <libgen.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/statvfs.h>
#include <linux/fs.h>
#include "disk.h"
#include "global.h"
#include "image.h"
#include "device.h"
#include "usb-device.h"
#include "printf-utils.h"
static char global_buf[1 << 22]; /* 4MB */
int disk_init(struct usb_device_info * dev) {
(void)dev;
return 0;
}
enum device disk_get_device(struct usb_device_info * dev) {
return dev->device;
}
int disk_flash_raw(const char * blkdev, const char * file) {
ERROR("Not implemented yet");
(void)blkdev;
(void)file;
return -1;
}
int disk_flash_image(struct usb_device_info * dev, struct image * image) {
ERROR("Not implemented yet");
(void)dev;
(void)image;
return -1;
}
int disk_dump_raw(const char * blkdev, const char * file) {
int fd1, fd2;
int ret;
char * path;
uint64_t blksize;
size_t need, readed;
ssize_t size;
struct stat st;
struct statvfs buf;
printf("Dump block device %s to file %s...\n", blkdev, file);
if ( stat(blkdev, &st) != 0 ) {
ERROR_INFO("Cannot stat block device %s", blkdev);
return -1;
}
if ( ! S_ISBLK(st.st_mode) ) {
ERROR("Invalid block device %s", blkdev);
return -1;
}
fd1 = open(blkdev, O_RDONLY);
if ( fd1 < 0 ) {
ERROR_INFO("Cannot open block device %s", blkdev);
return -1;
}
if ( ioctl(fd1, BLKGETSIZE64, &blksize) != 0 ) {
ERROR_INFO("Cannot get size of block device %s", blkdev);
close(fd1);
return -1;
}
if ( blksize > ULLONG_MAX ) {
ERROR("Block device %s is too big", blkdev);
close(fd1);
return -1;
}
if ( blksize == 0 ) {
ERROR("Block device %s has zero size", blkdev);
close(fd1);
return -1;
}
path = strdup(file);
if ( ! path ) {
ALLOC_ERROR();
close(fd1);
return -1;
}
ret = statvfs(dirname(path), &buf);
free(path);
if ( ret == 0 && buf.f_bsize * buf.f_bfree < blksize ) {
ERROR("Not enough free space (have: %llu, need: %llu)", (unsigned long long int)(buf.f_bsize) * buf.f_bfree, (unsigned long long int)blksize);
close(fd1);
return -1;
}
fd2 = creat(file, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if ( fd2 < 0 ) {
ERROR_INFO("Cannot create file %s", file);
close(fd1);
return -1;
}
readed = 0;
printf_progressbar(0, blksize);
while ( readed < blksize ) {
need = blksize - readed;
if ( need > sizeof(global_buf) )
need = sizeof(global_buf);
size = read(fd1, global_buf, need);
if ( size == 0 )
break;
if ( write(fd2, global_buf, size) != size ) {
PRINTF_ERROR("Dumping image failed");
close(fd1);
close(fd2);
return -1;
}
readed += size;
printf_progressbar(readed, blksize);
}
close(fd1);
close(fd2);
return 0;
}
int disk_dump_image(struct usb_device_info * dev, enum image_type image, const char * file) {
ERROR("Not implemented yet");
(void)dev;
(void)image;
(void)file;
return -1;
}
int disk_check_badblocks(struct usb_device_info * dev, const char * device) {
ERROR("Not implemented yet");
(void)dev;
(void)device;
return -1;
}
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