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 ctx = talloc_new(dom);
50 DEBUG(0, ("Out of memory!\n"));
51 return NT_STATUS_NO_MEMORY;
54 for (i = 0; ids[i]; i++) {
58 enum lsa_SidType type;
61 switch (ids[i]->xid.type) {
63 pw = getpwuid((uid_t)ids[i]->xid.id);
66 ids[i]->status = ID_UNMAPPED;
72 gr = getgrgid((gid_t)ids[i]->xid.id);
75 ids[i]->status = ID_UNMAPPED;
81 ids[i]->status = ID_UNKNOWN;
85 /* by default calls to winbindd are disabled
86 the following call will not recurse so this is safe */
88 /* Lookup name from PDC using lsa_lookup_names() */
89 ret = winbind_lookup_name(dom->name, name, ids[i]->sid, &type);
93 /* TODO: how do we know if the name is really not mapped,
94 * or something just failed ? */
95 ids[i]->status = ID_UNMAPPED;
101 if (ids[i]->xid.type == ID_TYPE_UID) {
102 ids[i]->status = ID_MAPPED;
106 case SID_NAME_DOM_GRP:
108 case SID_NAME_WKN_GRP:
109 if (ids[i]->xid.type == ID_TYPE_GID) {
110 ids[i]->status = ID_MAPPED;
115 ids[i]->status = ID_UNKNOWN;
125 /**********************************
126 lookup a set of sids.
127 **********************************/
129 static NTSTATUS idmap_nss_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
134 ctx = talloc_new(dom);
136 DEBUG(0, ("Out of memory!\n"));
137 return NT_STATUS_NO_MEMORY;
140 for (i = 0; ids[i]; i++) {
143 enum lsa_SidType type;
144 const char *dom_name = NULL;
145 const char *name = NULL;
148 /* by default calls to winbindd are disabled
149 the following call will not recurse so this is safe */
151 ret = winbind_lookup_sid(ctx, ids[i]->sid, &dom_name, &name, &type);
155 /* TODO: how do we know if the name is really not mapped,
156 * or something just failed ? */
157 ids[i]->status = ID_UNMAPPED;
164 /* this will find also all lower case name and use username level */
166 pw = Get_Pwnam(name);
168 ids[i]->xid.id = pw->pw_uid;
169 ids[i]->xid.type = ID_TYPE_UID;
170 ids[i]->status = ID_MAPPED;
174 case SID_NAME_DOM_GRP:
176 case SID_NAME_WKN_GRP:
180 ids[i]->xid.id = gr->gr_gid;
181 ids[i]->xid.type = ID_TYPE_GID;
182 ids[i]->status = ID_MAPPED;
187 ids[i]->status = ID_UNKNOWN;
196 /**********************************
197 Close the idmap tdb instance
198 **********************************/
200 static NTSTATUS idmap_nss_close(struct idmap_domain *dom)
205 static struct idmap_methods nss_methods = {
207 .init = idmap_nss_int_init,
208 .unixids_to_sids = idmap_nss_unixids_to_sids,
209 .sids_to_unixids = idmap_nss_sids_to_unixids,
210 .close_fn = idmap_nss_close
213 NTSTATUS idmap_nss_init(void)
215 return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "nss", &nss_methods);