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 3 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, see <http://www.gnu.org/licenses/>.
24 #include "nsswitch/winbind_client.h"
28 #define DBGC_CLASS DBGC_IDMAP
30 /*****************************
31 Initialise idmap database.
32 *****************************/
34 static NTSTATUS idmap_nss_int_init(struct idmap_domain *dom,
40 /**********************************
41 lookup a set of unix ids.
42 **********************************/
44 static NTSTATUS idmap_nss_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
49 /* initialize the status to avoid suprise */
50 for (i = 0; ids[i]; i++) {
51 ids[i]->status = ID_UNKNOWN;
54 ctx = talloc_new(dom);
56 DEBUG(0, ("Out of memory!\n"));
57 return NT_STATUS_NO_MEMORY;
60 for (i = 0; ids[i]; i++) {
64 enum lsa_SidType type;
67 switch (ids[i]->xid.type) {
69 pw = getpwuid((uid_t)ids[i]->xid.id);
72 ids[i]->status = ID_UNMAPPED;
78 gr = getgrgid((gid_t)ids[i]->xid.id);
81 ids[i]->status = ID_UNMAPPED;
87 ids[i]->status = ID_UNKNOWN;
91 /* by default calls to winbindd are disabled
92 the following call will not recurse so this is safe */
94 /* Lookup name from PDC using lsa_lookup_names() */
95 ret = winbind_lookup_name(dom->name, name, ids[i]->sid, &type);
99 /* TODO: how do we know if the name is really not mapped,
100 * or something just failed ? */
101 ids[i]->status = ID_UNMAPPED;
107 if (ids[i]->xid.type == ID_TYPE_UID) {
108 ids[i]->status = ID_MAPPED;
112 case SID_NAME_DOM_GRP:
114 case SID_NAME_WKN_GRP:
115 if (ids[i]->xid.type == ID_TYPE_GID) {
116 ids[i]->status = ID_MAPPED;
121 ids[i]->status = ID_UNKNOWN;
131 /**********************************
132 lookup a set of sids.
133 **********************************/
135 static NTSTATUS idmap_nss_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
140 /* initialize the status to avoid suprise */
141 for (i = 0; ids[i]; i++) {
142 ids[i]->status = ID_UNKNOWN;
145 ctx = talloc_new(dom);
147 DEBUG(0, ("Out of memory!\n"));
148 return NT_STATUS_NO_MEMORY;
151 for (i = 0; ids[i]; i++) {
153 enum lsa_SidType type;
154 const char *dom_name = NULL;
155 const char *name = NULL;
158 /* by default calls to winbindd are disabled
159 the following call will not recurse so this is safe */
161 ret = winbind_lookup_sid(ctx, ids[i]->sid, &dom_name, &name, &type);
165 /* TODO: how do we know if the name is really not mapped,
166 * or something just failed ? */
167 ids[i]->status = ID_UNMAPPED;
172 case SID_NAME_USER: {
175 /* this will find also all lower case name and use username level */
177 pw = Get_Pwnam_alloc(talloc_tos(), name);
179 ids[i]->xid.id = pw->pw_uid;
180 ids[i]->xid.type = ID_TYPE_UID;
181 ids[i]->status = ID_MAPPED;
187 case SID_NAME_DOM_GRP:
189 case SID_NAME_WKN_GRP:
193 ids[i]->xid.id = gr->gr_gid;
194 ids[i]->xid.type = ID_TYPE_GID;
195 ids[i]->status = ID_MAPPED;
200 ids[i]->status = ID_UNKNOWN;
209 /**********************************
210 Close the idmap tdb instance
211 **********************************/
213 static NTSTATUS idmap_nss_close(struct idmap_domain *dom)
218 static struct idmap_methods nss_methods = {
220 .init = idmap_nss_int_init,
221 .unixids_to_sids = idmap_nss_unixids_to_sids,
222 .sids_to_unixids = idmap_nss_sids_to_unixids,
223 .close_fn = idmap_nss_close
226 NTSTATUS idmap_nss_init(void)
228 return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "nss", &nss_methods);