2 Unix SMB/CIFS implementation.
3 async lookupgroupmembers
4 Copyright (C) Volker Lendecke 2009
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 3 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, see <http://www.gnu.org/licenses/>.
22 #include "librpc/gen_ndr/ndr_wbint_c.h"
23 #include "../librpc/gen_ndr/ndr_security.h"
24 #include "../libcli/security/security.h"
27 * We have 3 sets of routines here:
29 * wb_lookupgroupmem is the low-level one-group routine
31 * wb_groups_members walks a list of groups
33 * wb_group_members finally is the high-level routine expanding groups
38 * TODO: fill_grent_mem_domusers must be re-added
42 * Look up members of a single group. Essentially a wrapper around the
43 * lookup_groupmem winbindd_methods routine.
46 struct wb_lookupgroupmem_state
{
48 struct wbint_Principals members
;
51 static void wb_lookupgroupmem_done(struct tevent_req
*subreq
);
53 static struct tevent_req
*wb_lookupgroupmem_send(TALLOC_CTX
*mem_ctx
,
54 struct tevent_context
*ev
,
55 const struct dom_sid
*group_sid
,
56 enum lsa_SidType type
)
58 struct tevent_req
*req
, *subreq
;
59 struct wb_lookupgroupmem_state
*state
;
60 struct winbindd_domain
*domain
;
62 req
= tevent_req_create(mem_ctx
, &state
,
63 struct wb_lookupgroupmem_state
);
67 sid_copy(&state
->sid
, group_sid
);
69 domain
= find_domain_from_sid_noinit(group_sid
);
71 tevent_req_nterror(req
, NT_STATUS_NO_SUCH_GROUP
);
72 return tevent_req_post(req
, ev
);
75 subreq
= dcerpc_wbint_LookupGroupMembers_send(
76 state
, ev
, dom_child_handle(domain
), &state
->sid
, type
,
78 if (tevent_req_nomem(subreq
, req
)) {
79 return tevent_req_post(req
, ev
);
81 tevent_req_set_callback(subreq
, wb_lookupgroupmem_done
, req
);
85 static void wb_lookupgroupmem_done(struct tevent_req
*subreq
)
87 struct tevent_req
*req
= tevent_req_callback_data(
88 subreq
, struct tevent_req
);
89 struct wb_lookupgroupmem_state
*state
= tevent_req_data(
90 req
, struct wb_lookupgroupmem_state
);
91 NTSTATUS status
, result
;
93 status
= dcerpc_wbint_LookupGroupMembers_recv(subreq
, state
, &result
);
95 if (any_nt_status_not_ok(status
, result
, &status
)) {
96 tevent_req_nterror(req
, status
);
102 static NTSTATUS
wb_lookupgroupmem_recv(struct tevent_req
*req
,
105 struct wbint_Principal
**members
)
107 struct wb_lookupgroupmem_state
*state
= tevent_req_data(
108 req
, struct wb_lookupgroupmem_state
);
111 if (tevent_req_is_nterror(req
, &status
)) {
115 *num_members
= state
->members
.num_principals
;
116 *members
= talloc_move(mem_ctx
, &state
->members
.principals
);
121 * Same as wb_lookupgroupmem for a list of groups
124 struct wb_groups_members_state
{
125 struct tevent_context
*ev
;
126 struct wbint_Principal
*groups
;
129 struct wbint_Principal
*all_members
;
132 static NTSTATUS
wb_groups_members_next_subreq(
133 struct wb_groups_members_state
*state
,
134 TALLOC_CTX
*mem_ctx
, struct tevent_req
**psubreq
);
135 static void wb_groups_members_done(struct tevent_req
*subreq
);
137 static struct tevent_req
*wb_groups_members_send(TALLOC_CTX
*mem_ctx
,
138 struct tevent_context
*ev
,
140 struct wbint_Principal
*groups
)
142 struct tevent_req
*req
, *subreq
;
143 struct wb_groups_members_state
*state
;
146 req
= tevent_req_create(mem_ctx
, &state
,
147 struct wb_groups_members_state
);
152 state
->groups
= groups
;
153 state
->num_groups
= num_groups
;
154 state
->next_group
= 0;
155 state
->all_members
= NULL
;
157 status
= wb_groups_members_next_subreq(state
, state
, &subreq
);
158 if (tevent_req_nterror(req
, status
)) {
159 return tevent_req_post(req
, ev
);
161 if (subreq
== NULL
) {
162 tevent_req_done(req
);
163 return tevent_req_post(req
, ev
);
165 tevent_req_set_callback(subreq
, wb_groups_members_done
, req
);
169 static NTSTATUS
wb_groups_members_next_subreq(
170 struct wb_groups_members_state
*state
,
171 TALLOC_CTX
*mem_ctx
, struct tevent_req
**psubreq
)
173 struct tevent_req
*subreq
;
174 struct wbint_Principal
*g
;
176 if (state
->next_group
>= state
->num_groups
) {
181 g
= &state
->groups
[state
->next_group
];
182 state
->next_group
+= 1;
184 subreq
= wb_lookupgroupmem_send(mem_ctx
, state
->ev
, &g
->sid
, g
->type
);
185 if (subreq
== NULL
) {
186 return NT_STATUS_NO_MEMORY
;
192 static void wb_groups_members_done(struct tevent_req
*subreq
)
194 struct tevent_req
*req
= tevent_req_callback_data(
195 subreq
, struct tevent_req
);
196 struct wb_groups_members_state
*state
= tevent_req_data(
197 req
, struct wb_groups_members_state
);
198 int i
, num_all_members
;
200 struct wbint_Principal
*members
= NULL
;
203 status
= wb_lookupgroupmem_recv(subreq
, state
, &num_members
,
208 * In this error handling here we might have to be a bit more generous
209 * and just continue if an error occured.
212 if (tevent_req_nterror(req
, status
)) {
216 num_all_members
= talloc_array_length(state
->all_members
);
218 state
->all_members
= talloc_realloc(
219 state
, state
->all_members
, struct wbint_Principal
,
220 num_all_members
+ num_members
);
221 if ((num_all_members
+ num_members
!= 0)
222 && tevent_req_nomem(state
->all_members
, req
)) {
225 for (i
=0; i
<num_members
; i
++) {
226 struct wbint_Principal
*src
, *dst
;
228 dst
= &state
->all_members
[num_all_members
+ i
];
229 sid_copy(&dst
->sid
, &src
->sid
);
230 dst
->name
= talloc_move(state
->all_members
, &src
->name
);
231 dst
->type
= src
->type
;
233 TALLOC_FREE(members
);
235 status
= wb_groups_members_next_subreq(state
, state
, &subreq
);
236 if (tevent_req_nterror(req
, status
)) {
239 if (subreq
== NULL
) {
240 tevent_req_done(req
);
243 tevent_req_set_callback(subreq
, wb_groups_members_done
, req
);
246 static NTSTATUS
wb_groups_members_recv(struct tevent_req
*req
,
249 struct wbint_Principal
**members
)
251 struct wb_groups_members_state
*state
= tevent_req_data(
252 req
, struct wb_groups_members_state
);
255 if (tevent_req_is_nterror(req
, &status
)) {
258 *num_members
= talloc_array_length(state
->all_members
);
259 *members
= talloc_move(mem_ctx
, &state
->all_members
);
265 * This is the routine expanding a list of groups up to a certain level. We
266 * collect the users in a talloc_dict: We have to add them without duplicates,
267 * and talloc_dict is an indexed (here indexed by SID) data structure.
270 struct wb_group_members_state
{
271 struct tevent_context
*ev
;
273 struct talloc_dict
*users
;
274 struct wbint_Principal
*groups
;
277 static NTSTATUS
wb_group_members_next_subreq(
278 struct wb_group_members_state
*state
,
279 TALLOC_CTX
*mem_ctx
, struct tevent_req
**psubreq
);
280 static void wb_group_members_done(struct tevent_req
*subreq
);
282 struct tevent_req
*wb_group_members_send(TALLOC_CTX
*mem_ctx
,
283 struct tevent_context
*ev
,
284 const struct dom_sid
*sid
,
285 enum lsa_SidType type
,
288 struct tevent_req
*req
, *subreq
;
289 struct wb_group_members_state
*state
;
292 req
= tevent_req_create(mem_ctx
, &state
,
293 struct wb_group_members_state
);
298 state
->depth
= max_depth
;
299 state
->users
= talloc_dict_init(state
);
300 if (tevent_req_nomem(state
->users
, req
)) {
301 return tevent_req_post(req
, ev
);
304 state
->groups
= talloc(state
, struct wbint_Principal
);
305 if (tevent_req_nomem(state
->groups
, req
)) {
306 return tevent_req_post(req
, ev
);
308 state
->groups
->name
= NULL
;
309 sid_copy(&state
->groups
->sid
, sid
);
310 state
->groups
->type
= type
;
312 status
= wb_group_members_next_subreq(state
, state
, &subreq
);
313 if (tevent_req_nterror(req
, status
)) {
314 return tevent_req_post(req
, ev
);
316 if (subreq
== NULL
) {
317 tevent_req_done(req
);
318 return tevent_req_post(req
, ev
);
320 tevent_req_set_callback(subreq
, wb_group_members_done
, req
);
324 static NTSTATUS
wb_group_members_next_subreq(
325 struct wb_group_members_state
*state
,
326 TALLOC_CTX
*mem_ctx
, struct tevent_req
**psubreq
)
328 struct tevent_req
*subreq
;
330 if ((talloc_array_length(state
->groups
) == 0)
331 || (state
->depth
<= 0)) {
337 subreq
= wb_groups_members_send(
338 mem_ctx
, state
->ev
, talloc_array_length(state
->groups
),
340 if (subreq
== NULL
) {
341 return NT_STATUS_NO_MEMORY
;
347 static void wb_group_members_done(struct tevent_req
*subreq
)
349 struct tevent_req
*req
= tevent_req_callback_data(
350 subreq
, struct tevent_req
);
351 struct wb_group_members_state
*state
= tevent_req_data(
352 req
, struct wb_group_members_state
);
353 int i
, num_groups
, new_users
, new_groups
;
355 struct wbint_Principal
*members
= NULL
;
358 status
= wb_groups_members_recv(subreq
, state
, &num_members
, &members
);
360 if (tevent_req_nterror(req
, status
)) {
364 new_users
= new_groups
= 0;
365 for (i
=0; i
<num_members
; i
++) {
366 switch (members
[i
].type
) {
367 case SID_NAME_DOM_GRP
:
369 case SID_NAME_WKN_GRP
:
373 /* Ignore everything else */
379 TALLOC_FREE(state
->groups
);
380 state
->groups
= talloc_array(state
, struct wbint_Principal
,
384 * Collect the users into state->users and the groups into
385 * state->groups for the next iteration.
388 for (i
=0; i
<num_members
; i
++) {
389 switch (members
[i
].type
) {
391 case SID_NAME_COMPUTER
: {
393 * Add a copy of members[i] to state->users
395 struct wbint_Principal
*m
;
399 m
= talloc(talloc_tos(), struct wbint_Principal
);
400 if (tevent_req_nomem(m
, req
)) {
403 sid_copy(&m
->sid
, &members
[i
].sid
);
404 m
->name
= talloc_move(m
, &members
[i
].name
);
405 m
->type
= members
[i
].type
;
407 sid
= &members
[i
].sid
;
408 key
= data_blob_const(
409 sid
, ndr_size_dom_sid(sid
, 0));
411 if (!talloc_dict_set(state
->users
, key
, &m
)) {
412 tevent_req_nterror(req
, NT_STATUS_NO_MEMORY
);
417 case SID_NAME_DOM_GRP
:
419 case SID_NAME_WKN_GRP
: {
420 struct wbint_Principal
*g
;
422 * Save members[i] for the next round
424 g
= &state
->groups
[num_groups
];
425 sid_copy(&g
->sid
, &members
[i
].sid
);
426 g
->name
= talloc_move(state
->groups
, &members
[i
].name
);
427 g
->type
= members
[i
].type
;
432 /* Ignore everything else */
437 status
= wb_group_members_next_subreq(state
, state
, &subreq
);
438 if (tevent_req_nterror(req
, status
)) {
441 if (subreq
== NULL
) {
442 tevent_req_done(req
);
445 tevent_req_set_callback(subreq
, wb_group_members_done
, req
);
448 NTSTATUS
wb_group_members_recv(struct tevent_req
*req
, TALLOC_CTX
*mem_ctx
,
449 struct talloc_dict
**members
)
451 struct wb_group_members_state
*state
= tevent_req_data(
452 req
, struct wb_group_members_state
);
455 if (tevent_req_is_nterror(req
, &status
)) {
458 *members
= talloc_move(mem_ctx
, &state
->users
);