/* File: file_dir.c Copyright (C) 1998-2007 Christophe GRENIER 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 #endif #ifdef HAVE_STRING_H #include #endif #ifdef HAVE_TIME_H #include #endif #include #include "types.h" #include "filegen.h" #include "common.h" #include "fat.h" #include "dir.h" #include "fat_dir.h" #include "fat_common.h" static void register_header_check_dir(file_stat_t *file_stat); static int header_check_dir(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_dir= { .extension="fat", .description="FAT subdirectory", .min_header_distance=0, .max_filesize=PHOTOREC_MAX_FILE_SIZE, .recover=0, .enable_by_default=1, .register_header_check=®ister_header_check_dir }; static void file_rename_fatdir(const char *old_filename) { unsigned char buffer[512]; char buffer_cluster[32]; FILE *file; int buffer_size; unsigned int cluster; if((file=fopen(old_filename, "rb"))==NULL) return; buffer_size=fread(buffer, 1, sizeof(buffer), file); fclose(file); if(buffer_size<32) return; cluster=fat_get_cluster_from_entry((const struct msdos_dir_entry *)&buffer[0]); sprintf(buffer_cluster, "cluster_%u", cluster); file_rename(old_filename, buffer_cluster, strlen(buffer_cluster), 0, NULL, 1); } static data_check_t data_check_fatdir(const unsigned char *buffer, const unsigned int buffer_size, file_recovery_t *file_recovery) { /* Save only one cluster */ file_recovery->calculated_file_size=buffer_size/2; return DC_STOP; } static int header_check_dir(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 msdos_dir_entry *de=(const struct msdos_dir_entry*)buffer; if(!is_fat_directory(buffer)) return 0; reset_file_recovery(file_recovery_new); file_recovery_new->extension=file_hint_dir.extension; file_recovery_new->data_check=&data_check_fatdir; file_recovery_new->file_check=&file_check_size; file_recovery_new->file_rename=&file_rename_fatdir; file_recovery_new->time=date_dos2unix(le16(de->time),le16(de->date)); return 1; } static void register_header_check_dir(file_stat_t *file_stat) { register_header_check(0, ". ", 8+3, &header_check_dir, file_stat); }