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/* SAMHAIN file system integrity testing */
/* Copyright (C) 1999 Rainer Wichmann */
/* */
/* This program 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 to the Free Software */
/* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef SH_HASH_H
#define SH_HASH_H
#include <limits.h>
#include "samhain.h"
#include "sh_unix.h"
#include "sh_error.h"
/* the report_checkflags flag
*/
int get_report_checkflags();
/* whether to report checkflags
*/
int set_report_checkflags(const char * c);
/* convert to policy string
*/
const char * sh_hash_getpolicy(int class);
/* format a uint64
*/
char * sh_hash_size_format(void);
/* report on a missing file
*/
int hashreport_missing( char *fullpath, int level);
/* remove internal db record for a file (checks for some flags).
*/
void sh_hash_remove (const char * path);
/* remove internal db record for a file
*/
void sh_hash_remove_unconditional (const char * path);
/* Insert a "null" record in-memory (representing a missing file).
*/
void sh_hash_insert_null(char * str);
#ifdef SH_DBIO_INT_H
/* Check for "null" record
*/
int sh_hash_is_null_record(sh_filestore_t * theFile);
#endif
/* Dont report on ctm/mtm change for directories
*/
int sh_hash_loosedircheck(const char * str);
/* List database content for a single file
*/
int set_list_file (const char * c);
/* Set the path of that file
*/
char * get_list_file();
/* List database content with full detail
*/
int set_full_detail (const char * c);
/* List database content with full detail, comma delimited
*/
int set_list_delimited (const char * c);
/* Read the database from disk.
*/
void sh_hash_init (void);
/* Check init status
*/
int sh_hash_get_initialized();
/* Read the database from disk and fill sh.data.hash with checksum.
*/
void sh_hash_init_and_checksum();
/* Set status to 'database is read in'.
*/
void sh_hash_set_initialized();
/* Check whether a file is present in the database.
*/
int sh_hash_have_it (const char * newname);
/* Get a file if it is present in the database.
* If fileHash != NULL also return checksum.
*/
int sh_hash_get_it (const char * newname, file_type * tmpFile, char * fileHash);
/* Delete the database from memory.
*/
void sh_hash_hashdelete (void);
/* Insert a file into the database.
*/
void sh_hash_pushdata (file_type * buf, char * fileHash);
/* reset sh_hash_pushdata to use 'update' in daemon mode
*/
void sh_hash_pushdata_reset (void);
/* Insert a file into the in-memory database.
*/
void sh_hash_pushdata_memory (file_type * theFile, char * fileHash);
/* Get file flags from in-memory database
*/
int sh_hash_getflags (char * filename);
/* Set file flags in in-memory database
*/
int sh_hash_setflags (char * filename, int flags);
/* Set a file flag in in-memory database
*/
void sh_hash_set_flag (char * filename, int flag);
/* Unset a file flag in in-memory database
*/
void sh_hash_clear_flag (char * filename, int flag_to_set);
/* Compare a file with its status in the database.
*/
int sh_hash_compdata (int class, file_type * theFile, char * fileHash,
char * policy_override, int severity_override);
/* Search for files in the database that have been deleted from disk.
*/
void sh_hash_unvisited (ShErrLevel level);
/* Search for unvisited entries in the database, custom error handler.
*/
void sh_hash_unvisited_custom (char prefix, void(*handler)(const char * key));
/* Set a file's status to 'visited'. This is required for
* files that should be ignored, and may be present in the
* database, but not on disk.
*/
int sh_hash_set_visited (char * newname);
/* As above, but only set the 'visited' flag
*/
int sh_hash_set_visited_true (char * newname);
/* cause the record to be deleted without a 'missing' message
*/
int sh_hash_set_missing (char * newname);
/* Make a complete directory tree invisible
*/
int hash_remove_tree (char * s);
/* Make every entry visible
*/
int hash_full_tree (void);
/* Insert data.
* 'key' -> path
* 'str' -> binary with size 'size'
*/
struct store2db {
UINT64 val0;
UINT64 val1;
UINT64 val2;
UINT64 val3;
char checksum[KEY_LEN+1];
unsigned char * str;
int size;
};
void sh_hash_push2db (const char * key, struct store2db * save);
/* Retrieve data
*/
char * sh_hash_db2pop (const char * key, struct store2db * get);
/* Write out database
*/
int sh_hash_writeout(void);
#endif
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