2 * idmap_adex: Support for AD Forests
4 * Copyright (C) Gerald (Jerry) Carter 2006-2008
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "idmap_adex.h"
25 #define DBGC_CLASS DBGC_IDMAP
27 /**********************************************************************
28 **********************************************************************/
30 char *find_attr_string(char **list
, size_t num_lines
, const char *substr
)
33 int cmplen
= strlen(substr
);
35 for (i
= 0; i
< num_lines
; i
++) {
36 /* make sure to avoid substring matches like uid
38 if ((StrnCaseCmp(list
[i
], substr
, cmplen
) == 0) &&
39 (list
[i
][cmplen
] == '=')) {
40 /* Don't return an empty string */
41 if (list
[i
][cmplen
+ 1] != '\0')
42 return &(list
[i
][cmplen
+ 1]);
51 /**********************************************************************
52 **********************************************************************/
54 bool is_object_class(char **list
, size_t num_lines
, const char *substr
)
58 for (i
= 0; i
< num_lines
; i
++) {
59 if (strequal(list
[i
], substr
)) {
67 /**********************************************************************
68 Find out about the cell (e.g. use2307Attrs, etc...)
69 **********************************************************************/
71 NTSTATUS
cell_lookup_settings(struct likewise_cell
* cell
)
73 NTSTATUS nt_status
= NT_STATUS_UNSUCCESSFUL
;
78 nt_status
= NT_STATUS_INVALID_PARAMETER
;
79 BAIL_ON_NTSTATUS_ERROR(nt_status
);
82 /* Only supporting Forest-wide, schema based searches */
84 cell_set_flags(cell
, LWCELL_FLAG_USE_RFC2307_ATTRS
);
85 cell_set_flags(cell
, LWCELL_FLAG_SEARCH_FOREST
);
87 cell
->provider
= &ccp_unified
;
89 nt_status
= NT_STATUS_OK
;
92 if (!NT_STATUS_IS_OK(nt_status
)) {
93 DEBUG(1,("LWI: Failed to obtain cell settings (%s)\n",
94 nt_errstr(nt_status
)));
101 static NTSTATUS
cell_lookup_forest(struct likewise_cell
*c
)
103 NTSTATUS nt_status
= NT_STATUS_UNSUCCESSFUL
;
104 struct gc_info
*gc
= NULL
;
107 return NT_STATUS_INVALID_PARAMETER
;
110 if ((gc
= TALLOC_ZERO_P(NULL
, struct gc_info
)) == NULL
) {
111 nt_status
= NT_STATUS_NO_MEMORY
;
112 BAIL_ON_NTSTATUS_ERROR(nt_status
);
115 /* Query the rootDSE for the forest root naming conect first.
116 Check that the a GC server for the forest has not already
119 nt_status
= gc_find_forest_root(gc
, cell_dns_domain(c
));
120 BAIL_ON_NTSTATUS_ERROR(nt_status
);
122 c
->forest_name
= talloc_strdup(c
, gc
->forest_name
);
123 BAIL_ON_PTR_ERROR(c
->forest_name
, nt_status
);
133 /**********************************************************************
134 **********************************************************************/
136 NTSTATUS
cell_locate_membership(ADS_STRUCT
* ads
)
139 char *domain_dn
= ads_build_dn(lp_realm());
140 NTSTATUS nt_status
= NT_STATUS_UNSUCCESSFUL
;
142 struct likewise_cell
*cell
= NULL
;
144 /* In the Likewise plugin, I had to support the concept of cells
145 based on the machine's membership in an OU. However, now I'll
146 just assume our membership in the forest cell */
148 DEBUG(2, ("locate_cell_membership: Located membership "
149 "in cell \"%s\"\n", domain_dn
));
151 if ((cell
= cell_new()) == NULL
) {
152 nt_status
= NT_STATUS_NO_MEMORY
;
153 BAIL_ON_NTSTATUS_ERROR(nt_status
);
156 status
= ads_domain_sid(ads
, &sid
);
157 if (!ADS_ERR_OK(status
)) {
158 DEBUG(3,("locate_cell_membership: Failed to find "
159 "domain SID for %s\n", domain_dn
));
162 /* save the SID and search base for our domain */
164 cell_set_dns_domain(cell
, lp_realm());
165 cell_set_connection(cell
, ads
);
166 cell_set_dn(cell
, domain_dn
);
167 cell_set_domain_sid(cell
, &sid
);
169 /* Now save our forest root */
171 cell_lookup_forest(cell
);
173 /* Add the cell to the list */
175 if (!cell_list_add(cell
)) {
176 nt_status
= NT_STATUS_INSUFFICIENT_RESOURCES
;
177 BAIL_ON_NTSTATUS_ERROR(nt_status
);
181 nt_status
= NT_STATUS_OK
;
184 if (!NT_STATUS_IS_OK(nt_status
)) {
185 DEBUG(0,("LWI: Failed to locate cell membership (%s)\n",
186 nt_errstr(nt_status
)));
189 SAFE_FREE(domain_dn
);
194 /*********************************************************************
195 ********************************************************************/
197 int min_id_value(void)
201 id_val
= lp_parm_int(-1, "lwidentity", "min_id_value", MIN_ID_VALUE
);
203 /* Still don't let it go below 50 */
205 return MAX(50, id_val
);
208 /********************************************************************
209 *******************************************************************/
211 char *cell_dn_to_dns(const char *dn
)
213 NTSTATUS nt_status
= NT_STATUS_UNSUCCESSFUL
;
215 char *dns_name
= NULL
;
218 TALLOC_CTX
*frame
= talloc_stackframe();
224 tmp_dn
= talloc_strdup(frame
, dn
);
225 BAIL_ON_PTR_ERROR(tmp_dn
, nt_status
);
227 while (next_token_talloc(frame
, &tmp_dn
, &buffer
, ",")) {
229 /* skip everything up the where DC=... begins */
230 if (StrnCaseCmp(buffer
, "DC=", 3) != 0)
234 domain
= talloc_strdup(frame
, &buffer
[3]);
236 domain
= talloc_asprintf_append(domain
, ".%s",
239 BAIL_ON_PTR_ERROR(domain
, nt_status
);
242 dns_name
= SMB_STRDUP(domain
);
243 BAIL_ON_PTR_ERROR(dns_name
, nt_status
);
245 nt_status
= NT_STATUS_OK
;
248 PRINT_NTSTATUS_ERROR(nt_status
, "cell_dn_to_dns", 1);
250 talloc_destroy(frame
);
255 /*********************************************************************
256 ********************************************************************/
258 NTSTATUS
get_sid_type(ADS_STRUCT
*ads
,
260 enum lsa_SidType
*type
)
262 NTSTATUS nt_status
= NT_STATUS_UNSUCCESSFUL
;
265 if (!ads_pull_uint32(ads
, msg
, "sAMAccountType", &atype
)) {
266 nt_status
= NT_STATUS_INVALID_USER_BUFFER
;
267 BAIL_ON_NTSTATUS_ERROR(nt_status
);
270 switch (atype
&0xF0000000) {
271 case ATYPE_SECURITY_GLOBAL_GROUP
:
272 *type
= SID_NAME_DOM_GRP
;
274 case ATYPE_SECURITY_LOCAL_GROUP
:
275 *type
= SID_NAME_ALIAS
;
277 case ATYPE_NORMAL_ACCOUNT
:
278 case ATYPE_WORKSTATION_TRUST
:
279 case ATYPE_INTERDOMAIN_TRUST
:
280 *type
= SID_NAME_USER
;
283 *type
= SID_NAME_USE_NONE
;
284 nt_status
= NT_STATUS_INVALID_ACCOUNT_NAME
;
285 BAIL_ON_NTSTATUS_ERROR(nt_status
);
288 nt_status
= NT_STATUS_OK
;