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/*
* idmap_autorid: static map between Active Directory/NT RIDs
* and RFC 2307 accounts. This file contains common functions
* and structures used by idmap_autorid and net idmap autorid utilities
*
* Copyright (C) Christian Ambach, 2010-2012
* Copyright (C) Atul Kulkarni, 2013
* Copyright (C) Michael Adam, 2012-2013
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef _IDMAP_AUTORID_H_
#define _IDMAP_AUTORID_H_
#include "includes.h"
#include "system/filesys.h"
#include "dbwrap/dbwrap.h"
#include "dbwrap/dbwrap_open.h"
#include "../lib/util/util_tdb.h"
#include "winbindd/idmap_tdb_common.h"
#define HWM "NEXT RANGE"
#define ALLOC_HWM_UID "NEXT ALLOC UID"
#define ALLOC_HWM_GID "NEXT ALLOC GID"
#define ALLOC_RANGE "ALLOC"
#define CONFIGKEY "CONFIG"
struct autorid_global_config {
uint32_t minvalue;
uint32_t rangesize;
uint32_t maxranges;
};
struct autorid_range_config {
fstring domsid;
uint32_t rangenum;
uint32_t domain_range_index;
uint32_t low_id;
};
/**
* Get the range for a pair consisting of the domain sid
* and a domain range. If there is no stored range for
* this pair and read_only == false, a new range is
* acquired by incrementing that range HWM counter in the
* database.
*/
NTSTATUS idmap_autorid_get_domainrange(struct db_context *db,
struct autorid_range_config *range,
bool read_only);
/**
* get the domain range and low_id for the domain
* identified by domsid and domain_range_index
*/
NTSTATUS idmap_autorid_getrange(struct db_context *db,
const char *domsid,
uint32_t domain_range_index,
uint32_t *rangenum,
uint32_t *low_id);
/**
* Set a range for a domain#index pair to a given
* number. Fail if a different range was already stored.
*/
NTSTATUS idmap_autorid_setrange(struct db_context *db,
const char *domsid,
uint32_t domain_range_index,
uint32_t rangenum);
/**
* Delete a domain#index <-> range maping from the database.
* The mapping is specified by the sid and index.
* If force == true, invalid mapping records are deleted as far
* as possible, otherwise they are left untouched.
*/
NTSTATUS idmap_autorid_delete_range_by_sid(struct db_context *db,
const char *domsid,
uint32_t domain_range_index,
bool force);
/**
* Initialize a specified HWM value to 0 if it is not
* yet present in the database.
*/
NTSTATUS idmap_autorid_init_hwm(struct db_context *db, const char *hwm);
/**
* Initialize an idmap_autorid database.
* After this function has successfully completed, the following are true:
* - the database exists
* - the required HWM keys exist (range, alloc-uid, alloc-gid)
*/
NTSTATUS idmap_autorid_db_init(const char *path,
TALLOC_CTX *mem_ctx,
struct db_context **db);
/**
* Load the configuration stored in the autorid database.
*/
NTSTATUS idmap_autorid_loadconfig(struct db_context *db,
TALLOC_CTX *ctx,
struct autorid_global_config **result);
/**
* Save the global autorid configuration into the autorid database.
* The stored configuration consists of:
* - the low value of the idmap range
* - the rangesize
* - the maximum number of ranges
*/
NTSTATUS idmap_autorid_saveconfig(struct db_context *db,
struct autorid_global_config *cfg);
/**
* get the range config string stored in the database
*/
NTSTATUS idmap_autorid_getconfigstr(struct db_context *db, TALLOC_CTX *mem_ctx,
char **result);
/**
* parse the handed in config string and fill the provided config structure.
* return false if the string could not be parsed.
*/
bool idmap_autorid_parse_configstr(const char *configstr,
struct autorid_global_config *cfg);
/**
* Save the global autorid configuration into the autorid database
* as provided in the config string.
* First parse the configstr and validate it.
*/
NTSTATUS idmap_autorid_saveconfigstr(struct db_context *db,
const char *configstr);
#endif /* _IDMAP_AUTORID_H_ */
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