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"
26 #include "lib/winbind_util.h"
29 #define DBGC_CLASS DBGC_IDMAP
31 /*****************************
32 Initialise idmap database.
33 *****************************/
35 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)
48 /* initialize the status to avoid suprise */
49 for (i = 0; ids[i]; i++) {
50 ids[i]->status = ID_UNKNOWN;
53 for (i = 0; ids[i]; i++) {
57 enum lsa_SidType type;
60 switch (ids[i]->xid.type) {
62 pw = getpwuid((uid_t)ids[i]->xid.id);
65 ids[i]->status = ID_UNMAPPED;
71 gr = getgrgid((gid_t)ids[i]->xid.id);
74 ids[i]->status = ID_UNMAPPED;
80 ids[i]->status = ID_UNKNOWN;
84 /* by default calls to winbindd are disabled
85 the following call will not recurse so this is safe */
87 /* Lookup name from PDC using lsa_lookup_names() */
88 ret = winbind_lookup_name(dom->name, name, ids[i]->sid, &type);
92 /* TODO: how do we know if the name is really not mapped,
93 * or something just failed ? */
94 ids[i]->status = ID_UNMAPPED;
100 if (ids[i]->xid.type == ID_TYPE_UID) {
101 ids[i]->status = ID_MAPPED;
105 case SID_NAME_DOM_GRP:
107 case SID_NAME_WKN_GRP:
108 if (ids[i]->xid.type == ID_TYPE_GID) {
109 ids[i]->status = ID_MAPPED;
114 ids[i]->status = ID_UNKNOWN;
121 /**********************************
122 lookup a set of sids.
123 **********************************/
125 static NTSTATUS idmap_nss_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
129 /* initialize the status to avoid suprise */
130 for (i = 0; ids[i]; i++) {
131 ids[i]->status = ID_UNKNOWN;
134 for (i = 0; ids[i]; i++) {
136 enum lsa_SidType type;
140 /* by default calls to winbindd are disabled
141 the following call will not recurse so this is safe */
143 ret = winbind_lookup_sid(talloc_tos(), ids[i]->sid, NULL,
144 (const char **)&name, &type);
148 /* TODO: how do we know if the name is really not mapped,
149 * or something just failed ? */
150 ids[i]->status = ID_UNMAPPED;
155 case SID_NAME_USER: {
158 /* this will find also all lower case name and use username level */
160 pw = Get_Pwnam_alloc(talloc_tos(), name);
162 ids[i]->xid.id = pw->pw_uid;
163 ids[i]->xid.type = ID_TYPE_UID;
164 ids[i]->status = ID_MAPPED;
170 case SID_NAME_DOM_GRP:
172 case SID_NAME_WKN_GRP:
176 ids[i]->xid.id = gr->gr_gid;
177 ids[i]->xid.type = ID_TYPE_GID;
178 ids[i]->status = ID_MAPPED;
183 ids[i]->status = ID_UNKNOWN;
191 /**********************************
192 Close the idmap tdb instance
193 **********************************/
195 static struct idmap_methods nss_methods = {
197 .init = idmap_nss_int_init,
198 .unixids_to_sids = idmap_nss_unixids_to_sids,
199 .sids_to_unixids = idmap_nss_sids_to_unixids,
202 NTSTATUS idmap_nss_init(void)
204 return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "nss", &nss_methods);