2 Unix SMB/CIFS implementation.
6 Copyright (C) Simo Sorce 2006
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #define DBGC_CLASS DBGC_IDMAP
29 /*****************************
30 Initialise idmap database.
31 *****************************/
33 static NTSTATUS
idmap_nss_int_init(struct idmap_domain
*dom
)
35 dom
->initialized
= True
;
39 /**********************************
40 lookup a set of unix ids.
41 **********************************/
43 static NTSTATUS
idmap_nss_unixids_to_sids(struct idmap_domain
*dom
, struct id_map
**ids
)
48 if (! dom
->initialized
) {
49 return NT_STATUS_UNSUCCESSFUL
;
52 ctx
= talloc_new(dom
);
54 DEBUG(0, ("Out of memory!\n"));
55 return NT_STATUS_NO_MEMORY
;
58 for (i
= 0; ids
[i
]; i
++) {
62 enum lsa_SidType type
;
65 switch (ids
[i
]->xid
.type
) {
67 pw
= getpwuid((uid_t
)ids
[i
]->xid
.id
);
70 ids
[i
]->status
= ID_UNMAPPED
;
76 gr
= getgrgid((gid_t
)ids
[i
]->xid
.id
);
79 ids
[i
]->status
= ID_UNMAPPED
;
85 ids
[i
]->status
= ID_UNKNOWN
;
89 /* by default calls to winbindd are disabled
90 the following call will not recurse so this is safe */
92 /* Lookup name from PDC using lsa_lookup_names() */
93 ret
= winbind_lookup_name(dom
->name
, name
, ids
[i
]->sid
, &type
);
97 /* TODO: how do we know if the name is really not mapped,
98 * or something just failed ? */
99 ids
[i
]->status
= ID_UNMAPPED
;
105 if (ids
[i
]->xid
.type
== ID_TYPE_UID
) {
106 ids
[i
]->status
= ID_MAPPED
;
110 case SID_NAME_DOM_GRP
:
112 case SID_NAME_WKN_GRP
:
113 if (ids
[i
]->xid
.type
== ID_TYPE_GID
) {
114 ids
[i
]->status
= ID_MAPPED
;
119 ids
[i
]->status
= ID_UNKNOWN
;
129 /**********************************
130 lookup a set of sids.
131 **********************************/
133 static NTSTATUS
idmap_nss_sids_to_unixids(struct idmap_domain
*dom
, struct id_map
**ids
)
138 if (! dom
->initialized
) {
139 return NT_STATUS_UNSUCCESSFUL
;
142 ctx
= talloc_new(dom
);
144 DEBUG(0, ("Out of memory!\n"));
145 return NT_STATUS_NO_MEMORY
;
148 for (i
= 0; ids
[i
]; i
++) {
151 enum lsa_SidType type
;
152 const char *dom_name
= NULL
;
153 const char *name
= NULL
;
156 /* by default calls to winbindd are disabled
157 the following call will not recurse so this is safe */
159 ret
= winbind_lookup_sid(ctx
, ids
[i
]->sid
, &dom_name
, &name
, &type
);
163 /* TODO: how do we know if the name is really not mapped,
164 * or something just failed ? */
165 ids
[i
]->status
= ID_UNMAPPED
;
172 /* this will find also all lower case name and use username level */
174 pw
= Get_Pwnam(name
);
176 ids
[i
]->xid
.id
= pw
->pw_uid
;
177 ids
[i
]->xid
.type
= ID_TYPE_UID
;
178 ids
[i
]->status
= ID_MAPPED
;
182 case SID_NAME_DOM_GRP
:
184 case SID_NAME_WKN_GRP
:
188 ids
[i
]->xid
.id
= gr
->gr_gid
;
189 ids
[i
]->xid
.type
= ID_TYPE_GID
;
190 ids
[i
]->status
= ID_MAPPED
;
195 ids
[i
]->status
= ID_UNKNOWN
;
204 /**********************************
205 Close the idmap tdb instance
206 **********************************/
208 static NTSTATUS
idmap_nss_close(struct idmap_domain
*dom
)
213 static struct idmap_methods nss_methods
= {
215 .init
= idmap_nss_int_init
,
216 .unixids_to_sids
= idmap_nss_unixids_to_sids
,
217 .sids_to_unixids
= idmap_nss_sids_to_unixids
,
218 .close_fn
= idmap_nss_close
221 NTSTATUS
idmap_nss_init(void)
223 return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION
, "nss", &nss_methods
);