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PhotoRec: recover Apple Logic .exs

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This commit is contained in:
Christophe Grenier 2011-04-03 18:31:28 +02:00
parent 5637313da8
commit 64107ac213
3 changed files with 81 additions and 0 deletions
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1
src/Makefile.am
View file

@ -91,6 +91,7 @@ file_C = filegen.c \
file_emf.c \
file_evt.c \
file_exe.c \
file_exs.c \
file_ext.c \
file_ext2.c \
file_fat.c \

78
src/file_exs.c Normal file
View file

@ -0,0 +1,78 @@
/*
File: file_exs.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_exs(file_stat_t *file_stat);
const file_hint_t file_hint_exs= {
.extension="exs",
.description="Apple Logic",
.min_header_distance=0,
.max_filesize=1024*1024,
.recover=1,
.enable_by_default=1,
.register_header_check=&register_header_check_exs
};
static void file_rename_exs(const char *old_filename)
{
unsigned char buffer[512];
FILE *file;
int buffer_size;
if((file=fopen(old_filename, "rb"))==NULL)
return;
buffer_size=fread(buffer, 1, sizeof(buffer), file);
fclose(file);
file_rename(old_filename, buffer, buffer_size, 0x14, "exs", 0);
}
static const unsigned char exs_header[8]= {
0x01, 0x01, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00
};
static int header_check_exs(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], exs_header, sizeof(exs_header))==0)
{
reset_file_recovery(file_recovery_new);
file_recovery_new->extension=file_hint_exs.extension;
file_recovery_new->file_rename=file_rename_exs;
return 1;
}
return 0;
}
static void register_header_check_exs(file_stat_t *file_stat)
{
register_header_check(0, exs_header, sizeof(exs_header), &header_check_exs, file_stat);
}

2
src/file_list.c
View file

@ -93,6 +93,7 @@ extern const file_hint_t file_hint_elf;
extern const file_hint_t file_hint_emf;
extern const file_hint_t file_hint_evt;
extern const file_hint_t file_hint_exe;
extern const file_hint_t file_hint_exs;
extern const file_hint_t file_hint_ext2_sb;
extern const file_hint_t file_hint_ext2_fs;
extern const file_hint_t file_hint_fat;
@ -316,6 +317,7 @@ file_enable_t list_file_enable[]=
{ .enable=0, .file_hint=&file_hint_emf },
{ .enable=0, .file_hint=&file_hint_evt },
{ .enable=0, .file_hint=&file_hint_exe },
{ .enable=0, .file_hint=&file_hint_exs },
{ .enable=0, .file_hint=&file_hint_ext2_sb },
{ .enable=0, .file_hint=&file_hint_ext2_fs },
{ .enable=0, .file_hint=&file_hint_fat },