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/*
   SSSD

   Private System Database Header

   Copyright (C) Simo Sorce <ssorce@redhat.com>	2008

   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 __INT_SYS_DB_H__
#define __INT_SYS_DB_H__

#define SYSDB_VERSION "0.2"
#define SYSDB_VERSION_0_1 "0.1"

#define SYSDB_BASE_LDIF \
     "dn: @ATTRIBUTES\n" \
     "userPrincipalName: CASE_INSENSITIVE\n" \
     "cn: CASE_INSENSITIVE\n" \
     "dc: CASE_INSENSITIVE\n" \
     "dn: CASE_INSENSITIVE\n" \
     "name: CASE_INSENSITIVE\n" \
     "objectclass: CASE_INSENSITIVE\n" \
     "\n" \
     "dn: @INDEXLIST\n" \
     "@IDXATTR: cn\n" \
     "@IDXATTR: objectclass\n" \
     "@IDXATTR: member\n" \
     "@IDXATTR: memberof\n" \
     "@IDXATTR: name\n" \
     "@IDXATTR: uidNumber\n" \
     "@IDXATTR: gidNumber\n" \
     "@IDXATTR: lastUpdate\n" \
     "\n" \
     "dn: @MODULES\n" \
     "@LIST: asq,memberof\n" \
     "\n" \
     "dn: cn=sysdb\n" \
     "cn: sysdb\n" \
     "version: 0.2\n" \
     "description: base object\n" \
     "\n" \
     "dn: cn=LOCAL,cn=sysdb\n" \
     "cn: local\n" \
     "description: Local system data\n" \
     "\n" \
     "dn: cn=Users,cn=LOCAL,cn=sysdb\n" \
     "cn: users\n" \
     "description: Local POSIX users\n" \
     "\n" \
     "dn: cn=Groups,cn=LOCAL,cn=sysdb\n" \
     "cn: groups\n" \
     "description: Local POSIX groups\n" \
     "\n"

#include "db/sysdb.h"

struct sysdb_handle {
    struct sysdb_handle *prev;
    struct sysdb_handle *next;

    struct sysdb_ctx *ctx;
    struct tevent_req *subreq;

    bool transaction_active;
};

struct sysdb_ctx {
    struct tevent_context *ev;
    struct ldb_context *ldb;
    char *ldb_file;

    struct sysdb_handle *queue;
};

/* An operation blocks the transaction queue as well, but does not
 * start a transaction, normally useful only for search type calls.
 * do *NOT* call within a transaction you'll deadlock sysdb.
 * Also make sure to free the handle as soon as the operation is
 * finished to avoid stalling or potentially deadlocking sysdb */

struct tevent_req *sysdb_operation_send(TALLOC_CTX *mem_ctx,
                                        struct tevent_context *ev,
                                        struct sysdb_ctx *ctx);
int sysdb_operation_recv(struct tevent_req *req, TALLOC_CTX *memctx,
                         struct sysdb_handle **handle);

void sysdb_operation_done(struct sysdb_handle *handle);

#endif /* __INT_SYS_DB_H__ */