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PhotoRec: recover McAfee Anti-Theft/FileVault .vault files

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This commit is contained in:
Christophe Grenier 2011-04-03 18:40:16 +02:00
parent 12f3f3ce8d
commit b7c7a4fe30
3 changed files with 95 additions and 0 deletions
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1
src/Makefile.am
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@ -226,6 +226,7 @@ file_C = filegen.c \
file_ttf.c \
file_txt.c \
file_tz.c \
file_vault.c \
file_vdi.c \
file_veg.c \
file_vfb.c \

2
src/file_list.c
View file

@ -229,6 +229,7 @@ extern const file_hint_t file_hint_ts;
extern const file_hint_t file_hint_ttf;
extern const file_hint_t file_hint_txt;
extern const file_hint_t file_hint_tz;
extern const file_hint_t file_hint_vault;
extern const file_hint_t file_hint_vdi;
extern const file_hint_t file_hint_veg;
extern const file_hint_t file_hint_vfb;
@ -453,6 +454,7 @@ file_enable_t list_file_enable[]=
{ .enable=0, .file_hint=&file_hint_fasttxt },
{ .enable=0, .file_hint=&file_hint_txt },
{ .enable=0, .file_hint=&file_hint_tz },
{ .enable=0, .file_hint=&file_hint_vault },
{ .enable=0, .file_hint=&file_hint_vfb },
{ .enable=0, .file_hint=&file_hint_vmdk },
{ .enable=0, .file_hint=&file_hint_vdi },

92
src/file_vault.c Normal file
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@ -0,0 +1,92 @@
/*
File: file_vault.c
Copyright (C) 2011 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
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <stdio.h>
#include "types.h"
#include "filegen.h"
static void register_header_check_vault(file_stat_t *file_stat);
static int header_check_vault(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new);
const file_hint_t file_hint_vault= {
.extension="vault",
.description="McAfee Anti-Theft/FileVault",
.min_header_distance=0,
.max_filesize=PHOTOREC_MAX_FILE_SIZE,
.recover=1,
.enable_by_default=1,
.register_header_check=&register_header_check_vault
};
static const unsigned char vault_header[0x12]= {
'S' , 'a' , 'f' , 'e' , 'B' , 'o' , 'o' , 't' ,
'E' , 'n' , 'c' , 'V' , 'o' , 'l' , '1' , 0x00,
0x01, 0x01
};
static void register_header_check_vault(file_stat_t *file_stat)
{
register_header_check(0, vault_header, sizeof(vault_header), &header_check_vault, file_stat);
}
/*
* 03200be0 00 00 00 38 65 31 39 37 34 32 30 2d 39 35 65 34 |...8e197420-95e4|
* 03200bf0 2d 34 36 33 33 2d 61 33 34 66 2d 34 61 66 64 36 |-4633-a34f-4afd6|
* 03200c00 30 64 61 62 64 64 37 00 |0dabdd7.|
* */
static int data_check_vault(const unsigned char *buffer, const unsigned int buffer_size, file_recovery_t *file_recovery)
{
if(buffer_size>8)
{
unsigned int i;
for(i=(buffer_size/2)-28;i+28<buffer_size;i++)
{
if(buffer[i]=='-' && buffer[i+5]=='-' && buffer[i+10]=='-' && buffer[i+15]=='-' && buffer[i+28]=='\0')
{
file_recovery->calculated_file_size=file_recovery->file_size+i+28+1-(buffer_size/2);
return 2;
}
}
}
file_recovery->calculated_file_size=file_recovery->file_size+(buffer_size/2);
return 1;
}
static int header_check_vault(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
{
if(memcmp(&buffer[0], vault_header, sizeof(vault_header))==0)
{
reset_file_recovery(file_recovery_new);
file_recovery_new->extension=file_hint_vault.extension;
file_recovery_new->data_check=&data_check_vault;
file_recovery_new->file_check=&file_check_size;
return 1;
}
return 0;
}