summaryrefslogtreecommitdiffstats
path: root/src/tntfs.c
blob: 4ecafd6f93d79e10d37b413baf035f5c499cbe2e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
/*

    File: tntfs.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 "ntfs.h"
#include "ntfs_fix.h"
#include "io_redir.h"
#include "log.h"
#include "log_part.h"
#include "tntfs.h"

#ifdef HAVE_NCURSES
static void dump_NTFS_ncurses(disk_t *disk_car, const partition_t *partition, const unsigned char *buffer_bs, const unsigned char *buffer_backup_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                        Backup boot sector");
  dump2(window, buffer_bs, buffer_backup_bs, NTFS_BOOT_SECTOR_SIZE);
  delwin(window);
  (void) clearok(stdscr, TRUE);
#ifdef HAVE_TOUCHWIN
  touchwin(stdscr);
#endif
}
#endif

static void dump_NTFS(disk_t *disk_car, const partition_t *partition, const unsigned char *buffer_bs, const unsigned char *buffer_backup_bs)
{
  log_info("Boot sector                        Backup boot sector\n");
  dump2_log(buffer_bs, buffer_backup_bs, NTFS_BOOT_SECTOR_SIZE);
#ifdef HAVE_NCURSES
  dump_NTFS_ncurses(disk_car, partition, buffer_bs, buffer_backup_bs);
#endif
}

int ntfs_boot_sector(disk_t *disk_car, partition_t *partition, const int verbose, const unsigned int expert, char **current_cmd)
{
  unsigned char *buffer_bs;
  unsigned char *buffer_backup_bs;
  const char *options="";
#ifdef HAVE_NCURSES
  struct MenuItem menu_ntfs[]=
  {
    { 'P', "Previous",""},
    { 'N', "Next","" },
    { 'Q', "Quit","Return to Advanced menu"},
    { 'L', "List", "List directories and files, copy data from NTFS" },
    { 'O', "Org. BS","Copy boot sector over backup sector"},
    { 'B', "Backup BS","Copy backup boot sector over boot sector"},
    { 'R', "Rebuild BS","Rebuild boot sector"},
    { 'M', "Repair MFT","Check MFT"},
    { 'D', "Dump","Dump boot sector and backup boot sector"},
    { 0, NULL, NULL }
  };
#endif
  buffer_bs=(unsigned char*)MALLOC(NTFS_BOOT_SECTOR_SIZE);
  buffer_backup_bs=(unsigned char*)MALLOC(NTFS_BOOT_SECTOR_SIZE);

  while(1)
  {
    unsigned int menu=0;
    int command;
    screen_buffer_reset();
    {
      int identical_sectors=0;
      int opt_B=0;
      int opt_O=0;
#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("\nntfs_boot_sector\n");
      log_partition(disk_car,partition);
      screen_buffer_add("Boot sector\n");
      if(disk_car->pread(disk_car, buffer_bs, NTFS_BOOT_SECTOR_SIZE, partition->part_offset) != NTFS_BOOT_SECTOR_SIZE)
      {
	screen_buffer_add("ntfs_boot_sector: Can't read boot sector.\n");
	memset(buffer_bs,0,NTFS_BOOT_SECTOR_SIZE);
      }
      if(test_NTFS(disk_car,(struct ntfs_boot_sector*)buffer_bs,partition,verbose,0)==0)
      {
	screen_buffer_add("Status: OK\n");
	opt_O=1;
      }
      else
      {
	screen_buffer_add("Status: Bad\n");
      }
      screen_buffer_add("\nBackup boot sector\n");
      if(disk_car->pread(disk_car, buffer_backup_bs, NTFS_BOOT_SECTOR_SIZE, partition->part_offset + partition->part_size - disk_car->sector_size) != NTFS_BOOT_SECTOR_SIZE)
      {
	screen_buffer_add("ntfs_boot_sector: Can't read backup boot sector.\n");
	memset(buffer_backup_bs,0,NTFS_BOOT_SECTOR_SIZE);
      }
      if(test_NTFS(disk_car,(struct ntfs_boot_sector*)buffer_backup_bs,partition,verbose,0)==0)
      {
	screen_buffer_add("Status: OK\n");
	opt_B=1;
      }
      else
      {
	screen_buffer_add("Status: Bad\n");
      }
      screen_buffer_add("\n");
      if(memcmp(buffer_bs,buffer_backup_bs,NTFS_BOOT_SECTOR_SIZE)==0)
      {
	log_ntfs_info((const struct ntfs_boot_sector *)buffer_bs);
	screen_buffer_add("Sectors are identical.\n");
	identical_sectors=1;
      }
      else
      {
	log_ntfs2_info((const struct ntfs_boot_sector *)buffer_bs, (const struct ntfs_boot_sector *)buffer_backup_bs);
	screen_buffer_add("Sectors are not identical.\n");
	identical_sectors=0;
      }
      screen_buffer_add("\n");
      screen_buffer_add("A valid NTFS Boot sector must be present in order to access\n");
      screen_buffer_add("any data; even if the partition is not bootable.\n");
      if(opt_B!=0 && opt_O!=0)
      {
	if(identical_sectors==0)
	  options="DOBRL";
	else
	  options="DRML";
      }
      else if(opt_B!=0)
      {
	menu=5;
	if(expert>0)
	  options="DBRML";
	else
	  options="DBRL";
      }
      else if(opt_O!=0)
      {
	menu=4;
	options="DORL";
      }
      else
	options="DR";
    }
    screen_buffer_to_log();
    if(*current_cmd!=NULL)
    {
      command=0;
      while(*current_cmd[0]==',')
	(*current_cmd)++;
      if(strncmp(*current_cmd,"rebuildbs",9)==0)
      {
	(*current_cmd)+=9;
	command='R';
      }
      else if(strncmp(*current_cmd,"dump",4)==0)
      {
	(*current_cmd)+=4;
	command='D';
      }
      else if(strncmp(*current_cmd,"list",4)==0)
      {
	(*current_cmd)+=4;
	command='L';
      }
      else if(strncmp(*current_cmd,"originalntfs",11)==0)
      {
	(*current_cmd)+=11;
	if(strchr(options,'O')!=NULL)
	    command='O';
      }
      else if(strncmp(*current_cmd,"backupntfs",9)==0)
      {
	(*current_cmd)+=9;
	if(strchr(options,'B')!=NULL)
	    command='B';
      }
      else if(strncmp(*current_cmd,"repairmft",9)==0)
      {
	(*current_cmd)+=9;
	if(strchr(options,'M')!=NULL)
	    command='M';
      }
    }
    else
    {
      log_flush();
#ifdef HAVE_NCURSES
      command=screen_buffer_display_ext(stdscr, options, menu_ntfs, &menu);
#else
      command=0;
#endif
    }
    switch(command)
    {
      case 0:
        free(buffer_bs);
        free(buffer_backup_bs);
	return 0;
      case 'O': /* O : copy original boot sector over backup boot */
#ifdef HAVE_NCURSES
	if(ask_confirmation("Copy original NTFS boot sector over backup boot, confirm ? (Y/N)")!=0)
	{
	  log_info("copy original boot sector over backup boot\n");
	  if(disk_car->pwrite(disk_car, buffer_bs, NTFS_BOOT_SECTOR_SIZE, partition->part_offset + partition->part_size - disk_car->sector_size) != NTFS_BOOT_SECTOR_SIZE)
	  {
	    display_message("Write error: Can't overwrite NTFS backup boot sector\n");
	  }
          disk_car->sync(disk_car);
	}
#endif
	break;
      case 'B': /* B : copy backup boot sector over boot sector */
#ifdef HAVE_NCURSES
	if(ask_confirmation("Copy backup NTFS boot sector over boot sector, confirm ? (Y/N)")!=0)
	{
	  log_info("copy backup boot sector over boot sector\n");
	  /* Reset information about backup boot sector */
	  partition->sb_offset=0;
	  if(disk_car->pwrite(disk_car, buffer_backup_bs, NTFS_BOOT_SECTOR_SIZE, partition->part_offset) != NTFS_BOOT_SECTOR_SIZE)
	  {
	    display_message("Write error: Can't overwrite NTFS boot sector\n");
	  }
          disk_car->sync(disk_car);
	}
#endif
	break;
      case 'L':
	if(strchr(options,'O')==NULL && strchr(options,'B')!=NULL)
	{
	  io_redir_add_redir(disk_car,partition->part_offset,NTFS_BOOT_SECTOR_SIZE,0,buffer_backup_bs);
	  dir_partition(disk_car, partition, 0,current_cmd);
	  io_redir_del_redir(disk_car,partition->part_offset);
	}
	else
	  dir_partition(disk_car, partition, 0,current_cmd);
	break;
      case 'M':
        repair_MFT(disk_car, partition, verbose, expert, current_cmd);
	break;
      case 'R': /* R : rebuild boot sector */
	rebuild_NTFS_BS(disk_car, partition, verbose, 1, expert, current_cmd);
	break;
      case 'D':
	dump_NTFS(disk_car, partition, buffer_bs, buffer_backup_bs);
	break;
    }
  }
}