1 | /*
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2 | * Unix SMB/CIFS implementation.
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3 | *
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4 | * ID mapping: abstract r/w new-mapping mechanism
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5 | *
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6 | * Copyright (C) Michael Adam 2010
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7 | *
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8 | * This program is free software; you can redistribute it and/or modify
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9 | * it under the terms of the GNU General Public License as published by
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10 | * the Free Software Foundation; either version 3 of the License, or
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11 | * (at your option) any later version.
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12 | *
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13 | * This program is distributed in the hope that it will be useful,
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | * GNU General Public License for more details.
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17 | *
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18 | * You should have received a copy of the GNU General Public License
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19 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 | */
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21 |
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22 | /*
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23 | * This module implements the abstract logic for creating a new
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24 | * SID<->Unix-ID mapping. It can be used by idmap backends that
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25 | * need to create mappings for unmapped SIDs upon request.
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26 | */
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27 |
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28 | #ifndef _IDMAP_RW_H_
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29 | #define _IDMAP_RW_H_
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30 |
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31 | #include "includes.h"
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32 | #include "idmap.h"
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33 |
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34 | struct idmap_rw_ops {
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35 | NTSTATUS (*get_new_id)(struct idmap_domain *dom, struct unixid *id);
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36 | NTSTATUS (*set_mapping)(struct idmap_domain *dom,
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37 | const struct id_map *map);
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38 | };
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39 |
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40 | /**
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41 | * This is the abstract mechanism of creating a new mapping
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42 | * for a given SID. It is meant to be called called from an
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43 | * allocating backend from within idmap_<backend>_sids_to_unixids().
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44 | * It expects map->sid and map->xid.type to be set.
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45 | * Upon success, the new mapping is stored by the backend and
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46 | * map contains the new mapped xid.
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47 | *
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48 | * The caller has to take care of the necessary steps to
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49 | * guarantee atomicity of the operation, e.g. wrapping
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50 | * this call in a transaction if available.
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51 | */
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52 | NTSTATUS idmap_rw_new_mapping(struct idmap_domain *dom,
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53 | struct idmap_rw_ops *ops,
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54 | struct id_map *map);
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55 |
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56 | #endif /* _IDMAP_RW_H_ */
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