101 lines
3.7 KiB
C
101 lines
3.7 KiB
C
/*
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File: file_amd.c
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Copyright (C) 2008 Christophe GRENIER <grenier@cgsecurity.org>
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This software is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write the Free Software Foundation, Inc., 51
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Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#if !defined(SINGLE_FORMAT) || defined(SINGLE_FORMAT_amd)
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#include <stdio.h>
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#include "types.h"
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#include "filegen.h"
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#include "common.h"
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/*@ requires valid_register_header_check(file_stat); */
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static void register_header_check_amd(file_stat_t *file_stat);
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const file_hint_t file_hint_amd= {
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.extension="amd",
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.description="AlphaCAM (amd/amt/atd/att)",
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.max_filesize=PHOTOREC_MAX_FILE_SIZE,
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.recover=1,
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.enable_by_default=1,
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.register_header_check=®ister_header_check_amd
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};
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/*@
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@ requires buffer_size >= 20;
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@ requires separation: \separated(&file_hint_amd, buffer+(..), file_recovery, file_recovery_new);
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@ requires valid_header_check_param(buffer, buffer_size, safe_header_only, file_recovery, file_recovery_new);
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@ ensures valid_header_check_result(\result, file_recovery_new);
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@ assigns *file_recovery_new;
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@*/
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static int header_check_amd(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)
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{
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reset_file_recovery(file_recovery_new);
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/* FIXME: I don't think it's a valid way to distinguish between files */
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if(buffer[16]=='1' && buffer[17]=='.' && buffer[18]=='1' && buffer[19]=='9')
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file_recovery_new->extension="atd";
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else
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file_recovery_new->extension=file_hint_amd.extension;
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return 1;
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}
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/*@
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@ requires buffer_size >= 25;
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@ requires separation: \separated(&file_hint_amd, buffer+(..), file_recovery, file_recovery_new);
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@ requires valid_header_check_param(buffer, buffer_size, safe_header_only, file_recovery, file_recovery_new);
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@ ensures valid_header_check_result(\result, file_recovery_new);
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@ assigns *file_recovery_new;
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@*/
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static int header_check_amt(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)
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{
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reset_file_recovery(file_recovery_new);
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/* FIXME: I don't think it's a valid way to distinguish between files */
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if(buffer[21]=='1' && buffer[22]=='.' && buffer[23]=='0' && buffer[24]=='8')
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file_recovery_new->extension="att";
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else
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file_recovery_new->extension="amt";
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return 1;
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}
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static void register_header_check_amd(file_stat_t *file_stat)
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{
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/* amd 1.36
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* atd 1.19 */
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static const unsigned char amd_header[16]={
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'L', 'i', 'c', 'o', 'm', '-', 'A', 'P',
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'S', ' ', 'F', 'i', 'l', 'e', ' ', 'V' };
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/* amt 1.19
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* att 1.08 */
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static const unsigned char amt_header[20]={
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'L', 'i', 'c', 'o', 'm', '-', 'A', 'P',
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'S', ' ', 'T', 'o', 'o', 'l', ' ', 'F',
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'i', 'l', 'e', ' '};
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register_header_check(0, amd_header,sizeof(amd_header), &header_check_amd, file_stat);
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register_header_check(0, amt_header,sizeof(amt_header), &header_check_amt, file_stat);
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}
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#endif
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