2 Unix SMB/CIFS implementation.
3 Lookup routines for well-known SIDs
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Luke Kenneth Caseson Leighton 1998-1999
6 Copyright (C) Jeremy Allison 1999
7 Copyright (C) Volker Lendecke 2005
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 struct sid_name_map_info
35 const struct rid_name_map *known_users;
38 static const struct rid_name_map everyone_users[] = {
42 static const struct rid_name_map creator_owner_users[] = {
43 { 0, "Creator Owner" },
44 { 1, "Creator Group" },
47 static const struct rid_name_map nt_authority_users[] = {
53 { 7, "AnonymousLogon"},
57 { 11, "Authenticated Users"},
59 { 13, "Terminal Server User"},
60 { 14, "Remote Interactive Logon"},
61 { 15, "This Organization"},
63 { 19, "Local Service"},
64 { 20, "Network Service"},
67 static struct sid_name_map_info special_domains[] = {
68 { &global_sid_World_Domain, "", everyone_users },
69 { &global_sid_Creator_Owner_Domain, "", creator_owner_users },
70 { &global_sid_NT_Authority, "NT Authority", nt_authority_users },
71 { NULL, NULL, NULL }};
73 BOOL sid_check_is_wellknown_domain(const DOM_SID *sid, const char **name)
77 for (i=0; special_domains[i].sid != NULL; i++) {
78 if (sid_equal(sid, special_domains[i].sid)) {
80 *name = special_domains[i].name;
88 BOOL sid_check_is_in_wellknown_domain(const DOM_SID *sid)
93 sid_copy(&dom_sid, sid);
94 sid_split_rid(&dom_sid, &rid);
96 return sid_check_is_wellknown_domain(&dom_sid, NULL);
99 /**************************************************************************
100 Looks up a known username from one of the known domains.
101 ***************************************************************************/
103 BOOL lookup_wellknown_sid(TALLOC_CTX *mem_ctx, const DOM_SID *sid,
104 const char **domain, const char **name)
109 const struct rid_name_map *users = NULL;
111 sid_copy(&dom_sid, sid);
112 if (!sid_split_rid(&dom_sid, &rid)) {
113 DEBUG(2, ("Could not split rid from SID\n"));
117 for (i=0; special_domains[i].sid != NULL; i++) {
118 if (sid_equal(&dom_sid, special_domains[i].sid)) {
119 *domain = talloc_strdup(mem_ctx,
120 special_domains[i].name);
121 users = special_domains[i].known_users;
127 DEBUG(10, ("SID %s is no special sid\n",
128 sid_string_static(sid)));
132 for (i=0; users[i].name != NULL; i++) {
133 if (rid == users[i].rid) {
134 *name = talloc_strdup(mem_ctx, users[i].name);
139 DEBUG(10, ("RID of special SID %s not found\n",
140 sid_string_static(sid)));
145 /**************************************************************************
146 Try and map a name to one of the well known SIDs.
147 ***************************************************************************/
149 BOOL lookup_wellknown_name(TALLOC_CTX *mem_ctx, const char *name,
150 DOM_SID *sid, const char **domain)
154 DEBUG(10,("map_name_to_wellknown_sid: looking up %s\n", name));
156 for (i=0; special_domains[i].sid != NULL; i++) {
157 const struct rid_name_map *users =
158 special_domains[i].known_users;
163 for (j=0; users[j].name != NULL; j++) {
164 if ( strequal(users[j].name, name) ) {
165 sid_copy(sid, special_domains[i].sid);
166 sid_append_rid(sid, users[j].rid);
167 *domain = talloc_strdup(
168 mem_ctx, special_domains[i].name);