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/*
File: photorec.h
Copyright (C) 1998-2008 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.
*/
#ifndef _TESTDISK_PHOTOREC_H
#define _TESTDISK_PHOTOREC_H
#define MAX_FILES_PER_DIR 500
#define DEFAULT_RECUP_DIR "recup_dir"
#ifdef __cplusplus
extern "C" {
#endif
enum photorec_status { STATUS_FIND_OFFSET, STATUS_UNFORMAT, STATUS_EXT2_ON, STATUS_EXT2_ON_BF, STATUS_EXT2_OFF, STATUS_EXT2_OFF_BF, STATUS_EXT2_ON_SAVE_EVERYTHING, STATUS_EXT2_OFF_SAVE_EVERYTHING, STATUS_QUIT };
typedef enum photorec_status photorec_status_t;
typedef enum { PSTATUS_OK=0, PSTATUS_STOP=1, PSTATUS_EACCES=2, PSTATUS_ENOSPC=3} pstatus_t;
typedef enum { PFSTATUS_BAD=0, PFSTATUS_OK=1, PFSTATUS_OK_TRUNCATED=2} pfstatus_t;
struct ph_options
{
int paranoid;
int keep_corrupted_file;
unsigned int mode_ext2;
unsigned int expert;
unsigned int lowmem;
int verbose;
file_enable_t *list_file_format;
};
struct ph_param
{
char *cmd_device;
char *cmd_run;
disk_t *disk;
partition_t *partition;
unsigned int carve_free_space_only;
unsigned int blocksize;
unsigned int pass;
photorec_status_t status;
time_t real_start_time;
char *recup_dir;
/* */
unsigned int dir_num;
unsigned int file_nbr;
file_stat_t *file_stats;
uint64_t offset;
};
int get_prev_file_header(alloc_data_t *list_search_space, alloc_data_t **current_search_space, uint64_t *offset);
int file_finish_bf(file_recovery_t *file_recovery, struct ph_param *params,
alloc_data_t *list_search_space);
void file_recovery_aborted(file_recovery_t *file_recovery, struct ph_param *params, alloc_data_t *list_search_space);
pfstatus_t file_finish2(file_recovery_t *file_recovery, struct ph_param *params, const int paranoid, alloc_data_t *list_search_space);
void write_stats_log(const file_stat_t *file_stats);
void update_stats(file_stat_t *file_stats, alloc_data_t *list_search_space);
partition_t *new_whole_disk(const disk_t *disk_car);
unsigned int find_blocksize(alloc_data_t *list_file, const unsigned int default_blocksize, uint64_t *offset);
void update_blocksize(const unsigned int blocksize, alloc_data_t *list_search_space, const uint64_t offset);
void forget(alloc_data_t *list_search_space, alloc_data_t *current_search_space);
void init_search_space(alloc_data_t *list_search_space, const disk_t *disk_car, const partition_t *partition);
unsigned int remove_used_space(disk_t *disk_car, const partition_t *partition, alloc_data_t *list_search_space);
void free_list_search_space(alloc_data_t *list_search_space);
int sorfile_stat_ts(const void *p1, const void *p2);
unsigned int photorec_mkdir(const char *recup_dir, const unsigned int initial_dir_num);
void info_list_search_space(const alloc_data_t *list_search_space, const alloc_data_t *current_search_space, const unsigned int sector_size, const int keep_corrupted_file, const int verbose);
void free_search_space(alloc_data_t *list_search_space);
void set_filename(file_recovery_t *file_recovery, struct ph_param *params);
uint64_t set_search_start(struct ph_param *params, alloc_data_t **new_current_search_space, alloc_data_t *list_search_space);
void params_reset(struct ph_param *params, const struct ph_options *options);
const char *status_to_name(const photorec_status_t status);
void status_inc(struct ph_param *params, const struct ph_options *options);
list_part_t *init_list_part(disk_t *disk, const struct ph_options *options);
void file_block_log(const file_recovery_t *file_recovery, const unsigned int sector_size);
void file_block_free(alloc_list_t *list_allocation);
void file_block_append(file_recovery_t *file_recovery, alloc_data_t *list_search_space, alloc_data_t **new_current_search_space, uint64_t *offset, const unsigned int blocksize, const unsigned int data);
void file_block_truncate_and_move(file_recovery_t *file_recovery, alloc_data_t *list_search_space, const unsigned int blocksize, alloc_data_t **new_current_search_space, uint64_t *offset, unsigned char *buffer);
/*@
@ requires \valid(list_search_space);
@*/
void del_search_space(alloc_data_t *list_search_space, const uint64_t start, const uint64_t end);
#ifdef __cplusplus
} /* closing brace for extern "C" */
#endif
#endif
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