163 lines
4 KiB
C
163 lines
4 KiB
C
/*
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File: dimage.c
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Copyright (C) 2007-2008 Christophe GRENIER <grenier@cgsecurity.org>
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This software is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write the Free Software Foundation, Inc., 51
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Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#ifdef HAVE_LOCALE_H
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#include <locale.h> /* setlocale */
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#endif
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#ifdef HAVE_SIGNAL_H
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#include <signal.h>
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#endif
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#ifdef HAVE_TIME_H
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#include <time.h>
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include "types.h"
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#include "common.h"
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#include "testdisk.h"
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#include "intrf.h"
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#ifdef HAVE_NCURSES
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#include "intrfn.h"
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#else
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#include <stdio.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "intrface.h"
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#include "fnctdsk.h"
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#include "log.h"
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#include "dimage.h"
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#define READ_SIZE 256*512
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#ifndef O_LARGEFILE
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#define O_LARGEFILE 0
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#endif
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#ifndef O_BINARY
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#define O_BINARY 0
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#endif
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int disk_image(disk_t *disk_car, const partition_t *partition, const char *image_dd)
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{
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int ind_stop=0;
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uint64_t nbr_read_error=0;
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uint64_t offset=partition->part_offset;
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const uint64_t offset_end=partition->part_offset+partition->part_size;
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const uint64_t offset_inc=(offset_end-offset)/100;
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uint64_t offset_next=offset;
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unsigned char *buffer_disk=MALLOC(READ_SIZE);
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int disk_dst;
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#ifdef HAVE_NCURSES
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WINDOW *window;
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#endif
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if((disk_dst=open(image_dd,O_LARGEFILE|O_RDWR|O_BINARY|O_CREAT,0644))<0)
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{
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log_error("Can't create file %s.\n",image_dd);
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display_message("Can't create file!\n");
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return -1;
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}
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#ifdef HAVE_NCURSES
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window=newwin(0,0,0,0); /* full screen */
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aff_copy(window);
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wmove(window,5,0);
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wprintw(window,"%s\n",disk_car->description_short(disk_car));
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wmove(window,6,0);
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aff_part(window,AFF_PART_ORDER|AFF_PART_STATUS,disk_car,partition);
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wmove(window,22,0);
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wattrset(window, A_REVERSE);
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waddstr(window," Stop ");
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wattroff(window, A_REVERSE);
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#endif
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while(ind_stop==0 && offset < offset_end)
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{
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unsigned int readsize=READ_SIZE;
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int update=0;
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if(offset_end-offset < READ_SIZE)
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readsize=offset_end-offset;
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if(disk_car->read(disk_car, readsize, buffer_disk, offset)<0)
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{
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update=1;
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nbr_read_error++;
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}
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offset+=READ_SIZE;
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if(offset>offset_next)
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{
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update=1;
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offset_next+=offset_inc;
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}
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if(update)
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{
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#ifdef HAVE_NCURSES
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unsigned int i;
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unsigned int percent=(offset-partition->part_offset)*100/partition->part_size;
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wmove(window,7,0);
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wprintw(window,"%3u %% ", percent);
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for(i=0;i<percent*3/5;i++)
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wprintw(window,"=");
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wprintw(window,">");
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wrefresh(window);
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ind_stop=check_enter_key_or_s(window);
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#endif
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}
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if(write(disk_dst,buffer_disk,readsize)<0)
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{
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ind_stop=2;
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}
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}
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close(disk_dst);
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#ifdef HAVE_NCURSES
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delwin(window);
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(void) clearok(stdscr, TRUE);
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#ifdef HAVE_TOUCHWIN
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touchwin(stdscr);
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#endif
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#endif
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if(ind_stop==2)
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{
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display_message("No space left for the file image.\n");
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return -2;
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}
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if(ind_stop)
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{
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if(nbr_read_error==0)
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display_message("Incomplete image created.\n");
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else
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display_message("Incomplete image created: read errors have occured.\n");
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return 0;
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}
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if(nbr_read_error==0)
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display_message("Image created successfully.\n");
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else
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display_message("Image created successfully but read errors have occured.\n");
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return 0;
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}
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