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/>.
26 #define DBGC_CLASS DBGC_IDMAP
28 /*****************************
29 Initialise idmap database.
30 *****************************/
32 static NTSTATUS idmap_nss_int_init(struct idmap_domain *dom,
38 /**********************************
39 lookup a set of unix ids.
40 **********************************/
42 static NTSTATUS idmap_nss_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
47 /* initialize the status to avoid suprise */
48 for (i = 0; ids[i]; i++) {
49 ids[i]->status = ID_UNKNOWN;
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 /* initialize the status to avoid suprise */
139 for (i = 0; ids[i]; i++) {
140 ids[i]->status = ID_UNKNOWN;
143 ctx = talloc_new(dom);
145 DEBUG(0, ("Out of memory!\n"));
146 return NT_STATUS_NO_MEMORY;
149 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;
170 case SID_NAME_USER: {
173 /* this will find also all lower case name and use username level */
175 pw = Get_Pwnam_alloc(talloc_tos(), name);
177 ids[i]->xid.id = pw->pw_uid;
178 ids[i]->xid.type = ID_TYPE_UID;
179 ids[i]->status = ID_MAPPED;
185 case SID_NAME_DOM_GRP:
187 case SID_NAME_WKN_GRP:
191 ids[i]->xid.id = gr->gr_gid;
192 ids[i]->xid.type = ID_TYPE_GID;
193 ids[i]->status = ID_MAPPED;
198 ids[i]->status = ID_UNKNOWN;
207 /**********************************
208 Close the idmap tdb instance
209 **********************************/
211 static NTSTATUS idmap_nss_close(struct idmap_domain *dom)
216 static struct idmap_methods nss_methods = {
218 .init = idmap_nss_int_init,
219 .unixids_to_sids = idmap_nss_unixids_to_sids,
220 .sids_to_unixids = idmap_nss_sids_to_unixids,
221 .close_fn = idmap_nss_close
224 NTSTATUS idmap_nss_init(void)
226 return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "nss", &nss_methods);