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/*
File: fat1x.c
Copyright (C) 2008 Christophe GRENIER <grenier@cgsecurity.org>
This software 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 the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "types.h"
#include "common.h"
#include "lang.h"
#include "intrf.h"
#include "intrfn.h"
#include "dirpart.h"
#include "fat.h"
#include "log.h"
#include "log_part.h"
#include "fat_adv.h"
#include "fat1x.h"
#ifdef HAVE_NCURSES
static void dump_fat1x_ncurses(disk_t *disk_car, const partition_t *partition, const unsigned char *buffer_bs)
{
WINDOW *window=newwin(LINES, COLS, 0, 0); /* full screen */
keypad(window, TRUE); /* Need it to get arrow key */
aff_copy(window);
wmove(window,4,0);
wprintw(window,"%s",disk_car->description(disk_car));
wmove(window,5,0);
aff_part(window,AFF_PART_ORDER|AFF_PART_STATUS,disk_car,partition);
mvwaddstr(window,6,0, "Boot sector");
dump(window,buffer_bs,FAT1x_BOOT_SECTOR_SIZE);
delwin(window);
(void) clearok(stdscr, TRUE);
#ifdef HAVE_TOUCHWIN
touchwin(stdscr);
#endif
}
#endif
static void dump_fat1x(disk_t *disk_car, const partition_t *partition, const unsigned char *buffer_bs, char **current_cmd)
{
log_info("Boot sector\n");
dump_log(buffer_bs, FAT1x_BOOT_SECTOR_SIZE);
if(current_cmd==NULL || *current_cmd==NULL)
{
#ifdef HAVE_NCURSES
dump_fat1x_ncurses(disk_car, partition, buffer_bs);
#endif
}
}
int fat1x_boot_sector(disk_t *disk_car, partition_t *partition, const int verbose, const int dump_ind, const unsigned int expert, char **current_cmd)
{
unsigned char *buffer_bs;
#ifdef HAVE_NCURSES
const struct MenuItem menu_fat1x[]=
{
{ 'P', "Previous",""},
{ 'N', "Next","" },
{ 'Q', "Quit","Return to Advanced menu"},
{ 'R', "Rebuild BS","Rebuild boot sector"},
{ 'L', "List", "List directories and files, copy and undelete data from FAT" },
{ 'D', "Dump","Dump boot sector and backup boot sector"},
{ 'C', "Repair FAT","Very Dangerous! Expert only"},
{ 'I', "Init Root","Init root directory: Very Dangerous! Expert only"},
{ 0, NULL, NULL }
};
#endif
buffer_bs=(unsigned char*)MALLOC(FAT1x_BOOT_SECTOR_SIZE);
while(1)
{
const char *options;
#ifdef HAVE_NCURSES
unsigned int menu=3;
#endif
int command;
screen_buffer_reset();
{
#ifdef HAVE_NCURSES
aff_copy(stdscr);
wmove(stdscr,4,0);
wprintw(stdscr,"%s",disk_car->description(disk_car));
mvwaddstr(stdscr,5,0,msg_PART_HEADER_LONG);
wmove(stdscr,6,0);
aff_part(stdscr,AFF_PART_ORDER|AFF_PART_STATUS,disk_car,partition);
#endif
log_info("\nfat1x_boot_sector\n");
log_partition(disk_car,partition);
screen_buffer_add("Boot sector\n");
if(disk_car->pread(disk_car, buffer_bs, FAT1x_BOOT_SECTOR_SIZE, partition->part_offset) != FAT1x_BOOT_SECTOR_SIZE)
{
screen_buffer_add("fat1x_boot_sector: Can't read boot sector.\n");
memset(buffer_bs,0,FAT1x_BOOT_SECTOR_SIZE);
}
if(test_FAT(disk_car,(const struct fat_boot_sector *)buffer_bs,partition,verbose,0)==0)
{
screen_buffer_add("OK\n");
if(expert==0)
options="DRCL";
else
options="DRCIL";
}
else
{
screen_buffer_add("Bad\n");
options="DRC";
}
screen_buffer_add("\n");
screen_buffer_add("A valid FAT Boot sector must be present in order to access\n");
screen_buffer_add("any data; even if the partition is not bootable.\n");
}
screen_buffer_to_log();
if(*current_cmd!=NULL)
{
command=0;
skip_comma_in_command(current_cmd);
if(check_command(current_cmd,"rebuildbs",9)==0)
{
command='R';
}
else if(check_command(current_cmd,"dump",4)==0)
{
command='D';
}
else if(check_command(current_cmd,"list",4)==0)
{
if(strchr(options,'L')!=NULL)
command='L';
}
else if(check_command(current_cmd,"repairfat",9)==0)
{
if(strchr(options,'C')!=NULL)
command='C';
}
else if(check_command(current_cmd,"initroot",8)==0)
{
if(strchr(options,'I')!=NULL)
command='I';
}
}
else
{
log_flush();
#ifdef HAVE_NCURSES
command=screen_buffer_display_ext(stdscr, options, menu_fat1x, &menu);
#else
command=0;
#endif
}
switch(command)
{
case 0:
free(buffer_bs);
return 0;
case 'R': /* R : rebuild boot sector */
rebuild_FAT_BS(disk_car, partition, verbose, dump_ind, expert, current_cmd);
break;
case 'D':
dump_fat1x(disk_car, partition, buffer_bs, current_cmd);
break;
case 'C':
repair_FAT_table(disk_car, partition, verbose, current_cmd);
break;
case 'I':
FAT_init_rootdir(disk_car, partition, verbose, current_cmd);
break;
case 'L':
dir_partition(disk_car, partition, 0, 0, current_cmd);
break;
}
}
}
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