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| -rw-r--r-- | source3/winbindd/idmap_tdb_common.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/source3/winbindd/idmap_tdb_common.h b/source3/winbindd/idmap_tdb_common.h new file mode 100644 index 0000000..3343b58 --- /dev/null +++ b/source3/winbindd/idmap_tdb_common.h @@ -0,0 +1,137 @@ +/* + Unix SMB/CIFS implementation. + + common functions for TDB based idmapping backends + + Copyright (C) Christian Ambach 2012 + + These functions were initially copied over from idmap_tdb.c and idmap_tdb2.c + which are: + + Copyright (C) Tim Potter 2000 + Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003 + Copyright (C) Jeremy Allison 2006 + Copyright (C) Simo Sorce 2003-2006 + Copyright (C) Michael Adam 2009-2010 + Copyright (C) Andrew Tridgell 2007 + + 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 _IDMAP_TDB_COMMON_H_ +#define _IDMAP_TDB_COMMON_H_ + +#include "includes.h" +#include "idmap.h" +#include "dbwrap/dbwrap.h" + +/* + * this must be stored in idmap_domain->private_data + * when using idmap_tdb_common_get_new_id and the + * mapping functions idmap_tdb_common_unixid(s)_to_sids + * + * private_data can be used for backend specific + * configuration data (e.g. idmap script in idmap_tdb2) + * + */ +struct idmap_tdb_common_context { + struct db_context *db; + struct idmap_rw_ops *rw_ops; + /* + * what is the maximum xid to be allocated + * this is typically just dom->high_id + */ + uint32_t max_id; + const char *hwmkey_uid; + const char *hwmkey_gid; + /** + * if not set, idmap_tdb_common_unixids_to_sid will be used by + * idmap_tdb_common_unixids_to_sids + */ + NTSTATUS(*unixid_to_sid_fn) (struct idmap_domain *dom, + struct id_map * map); + /* + * if not set, idmap_tdb_common_sid_to_id will be used by + * idmap_tdb_common_sids_to_unixids + */ + NTSTATUS(*sid_to_unixid_fn) (struct idmap_domain *dom, + struct id_map * map); + void *private_data; +}; + +/** + * Allocate a new unix-ID. + * For now this is for the default idmap domain only. + * Should be extended later on. + */ +NTSTATUS idmap_tdb_common_get_new_id(struct idmap_domain *dom, + struct unixid *id); + +/* + * store a mapping into the idmap database + * + * the entries that will be stored are + * UID map->xid.id => map->sid and map->sid => UID map->xid.id + * or + * GID map->xid.id => map->sid and map->sid => GID map->xid.id + * + * for example + * UID 12345 = S-1-5-21-297746067-1479432880-4056370663 + * S-1-5-21-297746067-1479432880-4056370663 = UID 12345 + * + */ +NTSTATUS idmap_tdb_common_set_mapping(struct idmap_domain *dom, + const struct id_map *map); + +/* + * Create a new mapping for an unmapped SID, also allocating a new ID. + * This should be run inside a transaction. + * + * TODO: + * Properly integrate this with multi domain idmap config: + * Currently, the allocator is default-config only. + */ +NTSTATUS idmap_tdb_common_new_mapping(struct idmap_domain *dom, + struct id_map *map); + +/* + * default multiple id to sid lookup function + * + * will call idmap_tdb_common_unixid_to_sid for each mapping + * if no other function to lookup unixid_to_sid was given in + * idmap_tdb_common_context + */ +NTSTATUS idmap_tdb_common_unixids_to_sids(struct idmap_domain *dom, + struct id_map **ids); + +/* + * default single id to sid lookup function + * + * will read the entries written by idmap_tdb_common_set_mapping + */ +NTSTATUS idmap_tdb_common_unixid_to_sid(struct idmap_domain *dom, + struct id_map *map); + +/********************************** + Single sid to id lookup function. +**********************************/ + +NTSTATUS idmap_tdb_common_sid_to_unixid(struct idmap_domain *dom, + struct id_map *map); + +NTSTATUS idmap_tdb_common_sids_to_unixids(struct idmap_domain *dom, + struct id_map **ids); + +#endif /* _IDMAP_TDB_COMMON_H_ */ |