testdisk/src/file_qxd.c

77 lines
2.7 KiB
C

/*
File: file_qxd.c
Copyright (C) 2006-2007 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_qxd(file_stat_t *file_stat);
static int header_check_qxd(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_qxd= {
.extension="qxd",
.description="QuarkXpress Document",
.min_header_distance=0,
.max_filesize=PHOTOREC_MAX_FILE_SIZE,
.recover=1,
.enable_by_default=1,
.register_header_check=&register_header_check_qxd
};
static const unsigned char qxd_header[4]={'X','P','R','3' };
static const unsigned char qxp_header_be[6]={'I','I','X','P','R','3' };
static const unsigned char qxp_header_le[6]={'M','M','X','P','R','3' };
static void register_header_check_qxd(file_stat_t *file_stat)
{
register_header_check(0, qxd_header,sizeof(qxd_header), &header_check_qxd, file_stat);
register_header_check(2, qxp_header_be,sizeof(qxp_header_be), &header_check_qxd, file_stat);
register_header_check(2, qxp_header_le,sizeof(qxp_header_le), &header_check_qxd, file_stat);
}
static int header_check_qxd(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,qxd_header,sizeof(qxd_header))==0)
{
reset_file_recovery(file_recovery_new);
file_recovery_new->extension=file_hint_qxd.extension;
return 1;
}
/* Intel or Mac QuarkXpress Document */
if(memcmp(buffer+2,qxp_header_be,sizeof(qxp_header_be))==0 ||
memcmp(buffer+2,qxp_header_le,sizeof(qxp_header_le))==0)
{
reset_file_recovery(file_recovery_new);
file_recovery_new->extension="qxp";
return 1;
}
return 0;
}