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/*
File: file_prc.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.
*/
#if !defined(SINGLE_FORMAT) || defined(SINGLE_FORMAT_prc)
#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"
#include "common.h"
/*@ requires valid_register_header_check(file_stat); */
static void register_header_check_prc(file_stat_t *file_stat);
const file_hint_t file_hint_prc = {
.extension = "prc",
.description = "PalmOS application",
.max_filesize = PHOTOREC_MAX_FILE_SIZE,
.recover = 1,
.enable_by_default = 1,
.register_header_check = ®ister_header_check_prc
};
struct DatabaseHdrType_s
{
unsigned char name[32];
uint16_t attributes; /* 0x20 */
uint32_t creationDate; /* 0x22 */
uint32_t modificationDate; /* 0x26 */
uint32_t lastBackupDate; /* 0x2a */
uint32_t modificationNumber; /* 0x2e */
unsigned char appInfoID[5]; /* 0x32 */
unsigned char sortInfoID[5];
uint32_t type; /* 0x3c */
uint32_t creator; /* 0x40 */
uint32_t uniqueIDSeed; /* 0x44 */
/* RecordListType recordList; */
} __attribute__((gcc_struct, __packed__));
/*@
@ requires buffer_size >= sizeof(struct DatabaseHdrType_s);
@ requires separation: \separated(&file_hint_prc, buffer+(..), file_recovery, file_recovery_new);
@ requires valid_header_check_param(buffer, buffer_size, safe_header_only, file_recovery, file_recovery_new);
@ ensures valid_header_check_result(\result, file_recovery_new);
@ assigns *file_recovery_new;
@*/
static int header_check_prc(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 struct DatabaseHdrType_s *prc = (const struct DatabaseHdrType_s *)buffer;
if(be32(prc->uniqueIDSeed) != 0)
return 0;
reset_file_recovery(file_recovery_new);
file_recovery_new->extension = file_hint_prc.extension;
file_recovery_new->time = be32(prc->modificationDate);
return 1;
}
static void register_header_check_prc(file_stat_t *file_stat)
{
static const unsigned char prc_header[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 'a', 'p', 'p', 'l' };
register_header_check(0x30, prc_header, sizeof(prc_header), &header_check_prc, file_stat);
}
#endif
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