idxonly_index.c

linux下开发的针对所有磁盘的数据恢复的源码

/*
 * The Sleuth Kit
 *
 * Brian Carrier [carrier <at> sleuthkit [dot] org]
 * Copyright (c) 2007 Brian Carrier.  All rights reserved
 *
 * This software is distributed under the Common Public License 1.0
 */

/**
 * \file idxonly_index.c
 * Contains the dummy functions that are used when only an index is used for lookups and the 
 * original database is gone. 
 */

#include "tsk_hashdb_i.h"

#define STR_EMPTY ""




/**
 * This function should process the database to create a sorted index of it,
 * but in this case we do not have a database, so just make an error...
 *
 * @param hdb_info Hash database to make index of.
 * @param dbtype Type of hash database 
 *
 * @return 1 on error and 0 on success.
 */
uint8_t
idxonly_makeindex(TSK_HDB_INFO * hdb_info, TSK_TCHAR * dbtype)
{
    tsk_error_reset();
    tsk_errno = TSK_ERR_HDB_ARG;
    snprintf(tsk_errstr, TSK_ERRSTR_L,
             "idxonly_makeindex: Make index not supported when INDEX ONLY option is used");
    return 1;
}


/**
 * This function should find the corresponding name at a
 * given offset.  In this case though, we do not have the original database,
 * so just make an error...
 *
 * @param hdb_info Hash database to get data from
 * @param hash MD5 hash value that was searched for
 * @param offset Byte offset where hash value should be located in db_file
 * @param flags (not used)
 * @param action Callback used for each entry found in lookup
 * @param cb_ptr Pointer to data passed to callback
 *
 * @return 1 on error and 0 on succuss
 */
uint8_t
idxonly_getentry(TSK_HDB_INFO * hdb_info, const char *hash,
                 TSK_OFF_T offset, TSK_HDB_FLAG_ENUM flags,
                 TSK_HDB_LOOKUP_FN action, void *cb_ptr)
{
    tsk_error_reset();
    tsk_errno = TSK_ERR_HDB_ARG;
    snprintf(tsk_errstr, TSK_ERRSTR_L,
             "idxonly_getentry: Not supported when INDEX ONLY option is used");
    return 1;
}