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 ctx = talloc_new(dom);
49 DEBUG(0, ("Out of memory!\n"));
50 return NT_STATUS_NO_MEMORY;
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;
124 /**********************************
125 lookup a set of sids.
126 **********************************/
128 static NTSTATUS idmap_nss_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
133 ctx = talloc_new(dom);
135 DEBUG(0, ("Out of memory!\n"));
136 return NT_STATUS_NO_MEMORY;
139 for (i = 0; ids[i]; i++) {
141 enum lsa_SidType type;
142 const char *dom_name = NULL;
143 const char *name = NULL;
146 /* by default calls to winbindd are disabled
147 the following call will not recurse so this is safe */
149 ret = winbind_lookup_sid(ctx, ids[i]->sid, &dom_name, &name, &type);
153 /* TODO: how do we know if the name is really not mapped,
154 * or something just failed ? */
155 ids[i]->status = ID_UNMAPPED;
160 case SID_NAME_USER: {
163 /* this will find also all lower case name and use username level */
165 pw = Get_Pwnam_alloc(talloc_tos(), name);
167 ids[i]->xid.id = pw->pw_uid;
168 ids[i]->xid.type = ID_TYPE_UID;
169 ids[i]->status = ID_MAPPED;
175 case SID_NAME_DOM_GRP:
177 case SID_NAME_WKN_GRP:
181 ids[i]->xid.id = gr->gr_gid;
182 ids[i]->xid.type = ID_TYPE_GID;
183 ids[i]->status = ID_MAPPED;
188 ids[i]->status = ID_UNKNOWN;
197 /**********************************
198 Close the idmap tdb instance
199 **********************************/
201 static NTSTATUS idmap_nss_close(struct idmap_domain *dom)
206 static struct idmap_methods nss_methods = {
208 .init = idmap_nss_int_init,
209 .unixids_to_sids = idmap_nss_unixids_to_sids,
210 .sids_to_unixids = idmap_nss_sids_to_unixids,
211 .close_fn = idmap_nss_close
214 NTSTATUS idmap_nss_init(void)
216 return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "nss", &nss_methods);