1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
|
/*
Unix SMB/Netbios implementation.
Winbind rpc backend functions
Copyright (C) Tim Potter 2000-2001
Copyright (C) Andrew Tridgell 2001
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "winbindd.h"
/* Query display info for a domain. This returns enough information plus a
bit extra to give an overview of domain users for the User Manager
application. */
static NTSTATUS query_user_list(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
uint32 *start_ndx, uint32 *num_entries,
WINBIND_USERINFO **info)
{
CLI_POLICY_HND *hnd;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
POLICY_HND dom_pol;
BOOL got_dom_pol = False;
uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
SAM_DISPINFO_CTR ctr;
SAM_DISPINFO_1 info1;
int i;
/* Get sam handle */
if (!(hnd = cm_get_sam_handle(domain->name)))
goto done;
/* Get domain handle */
result = cli_samr_open_domain(hnd->cli, mem_ctx, &hnd->pol,
des_access, &domain->sid, &dom_pol);
if (!NT_STATUS_IS_OK(result))
goto done;
got_dom_pol = True;
ctr.sam.info1 = &info1;
/* Query display info level 1 */
result = cli_samr_query_dispinfo(hnd->cli, mem_ctx,
&dom_pol, start_ndx, 1,
num_entries, 0xffff, &ctr);
/* now map the result into the WINBIND_USERINFO structure */
(*info) = (WINBIND_USERINFO *)talloc(mem_ctx, (*num_entries)*sizeof(WINBIND_USERINFO));
if (!(*info)) {
return NT_STATUS_NO_MEMORY;
}
for (i=0;i<*num_entries;i++) {
(*info)[i].acct_name = unistr2_tdup(mem_ctx, &info1.str[i].uni_acct_name);
(*info)[i].full_name = unistr2_tdup(mem_ctx, &info1.str[i].uni_full_name);
(*info)[i].user_rid = info1.sam[i].rid_user;
/* For the moment we set the primary group for every user to be the
Domain Users group. There are serious problems with determining
the actual primary group for large domains. This should really
be made into a 'winbind force group' smb.conf parameter or
something like that. */
(*info)[i].group_rid = DOMAIN_GROUP_RID_USERS;
}
done:
if (got_dom_pol)
cli_samr_close(hnd->cli, mem_ctx, &dom_pol);
return result;
}
/* list all domain groups */
static NTSTATUS enum_dom_groups(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
uint32 *start_ndx, uint32 *num_entries,
struct acct_info **info)
{
uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
CLI_POLICY_HND *hnd;
POLICY_HND dom_pol;
NTSTATUS status;
*num_entries = 0;
if (!(hnd = cm_get_sam_handle(domain->name))) {
return NT_STATUS_UNSUCCESSFUL;
}
status = cli_samr_open_domain(hnd->cli, mem_ctx,
&hnd->pol, des_access, &domain->sid, &dom_pol);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
status = cli_samr_enum_dom_groups(hnd->cli, mem_ctx, &dom_pol,
start_ndx,
0x8000, /* buffer size? */
info, num_entries);
cli_samr_close(hnd->cli, mem_ctx, &dom_pol);
return status;
}
/* convert a single name to a sid in a domain */
static NTSTATUS name_to_sid(struct winbindd_domain *domain,
const char *name,
DOM_SID *sid,
enum SID_NAME_USE *type)
{
TALLOC_CTX *mem_ctx;
CLI_POLICY_HND *hnd;
NTSTATUS status;
DOM_SID *sids = NULL;
uint32 *types = NULL;
int num_sids;
if (!(mem_ctx = talloc_init()))
return NT_STATUS_NO_MEMORY;
if (!(hnd = cm_get_lsa_handle(domain->name)))
return NT_STATUS_UNSUCCESSFUL;
status = cli_lsa_lookup_names(hnd->cli, mem_ctx, &hnd->pol, 1, &name,
&sids, &types, &num_sids);
/* Return rid and type if lookup successful */
if (NT_STATUS_IS_OK(status)) {
sid_copy(sid, &sids[0]);
*type = types[0];
}
talloc_destroy(mem_ctx);
return status;
}
/*
convert a domain SID to a user or group name
*/
NTSTATUS winbindd_rpc_sid_to_name(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
DOM_SID *sid,
char **name,
enum SID_NAME_USE *type)
{
CLI_POLICY_HND *hnd;
char **names;
uint32 *types;
int num_names;
NTSTATUS status;
if (!(hnd = cm_get_lsa_handle(domain->name)))
return NT_STATUS_UNSUCCESSFUL;
status = cli_lsa_lookup_sids(hnd->cli, mem_ctx, &hnd->pol,
1, sid, &names, &types,
&num_names);
if (NT_STATUS_IS_OK(status)) {
*type = types[0];
*name = names[0];
DEBUG(5,("Mapped sid to %s\n", *name));
}
return status;
}
/* Lookup user information from a rid or username. */
static NTSTATUS query_user(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
const char *user_name, uint32 user_rid,
WINBIND_USERINFO *user_info)
{
CLI_POLICY_HND *hnd;
NTSTATUS result;
POLICY_HND dom_pol, user_pol;
BOOL got_dom_pol = False, got_user_pol = False;
SAM_USERINFO_CTR *ctr;
/* Get sam handle */
if (!(hnd = cm_get_sam_handle(domain->name)))
goto done;
/* Get domain handle */
result = cli_samr_open_domain(hnd->cli, mem_ctx, &hnd->pol,
SEC_RIGHTS_MAXIMUM_ALLOWED,
&domain->sid, &dom_pol);
if (!NT_STATUS_IS_OK(result))
goto done;
got_dom_pol = True;
/* Get user handle */
result = cli_samr_open_user(hnd->cli, mem_ctx, &dom_pol,
SEC_RIGHTS_MAXIMUM_ALLOWED, user_rid, &user_pol);
if (!NT_STATUS_IS_OK(result))
goto done;
/* Get user info */
result = cli_samr_query_userinfo(hnd->cli, mem_ctx, &user_pol,
0x15, &ctr);
cli_samr_close(hnd->cli, mem_ctx, &user_pol);
user_info->acct_name = talloc_strdup(mem_ctx, user_name);
user_info->group_rid = ctr->info.id21->group_rid;
user_info->full_name = unistr2_tdup(mem_ctx,
&ctr->info.id21->uni_full_name);
done:
/* Clean up policy handles */
if (got_user_pol)
cli_samr_close(hnd->cli, mem_ctx, &user_pol);
if (got_dom_pol)
cli_samr_close(hnd->cli, mem_ctx, &dom_pol);
return result;
}
/* Lookup groups a user is a member of. I wish Unix had a call like this! */
static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
const char *user_name, uint32 user_rid,
uint32 *num_groups, uint32 **user_gids)
{
CLI_POLICY_HND *hnd;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
POLICY_HND dom_pol, user_pol;
uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
BOOL got_dom_pol = False, got_user_pol = False;
DOM_GID *user_groups;
int i;
/* Get sam handle */
if (!(hnd = cm_get_sam_handle(domain->name)))
goto done;
/* Get domain handle */
result = cli_samr_open_domain(hnd->cli, mem_ctx, &hnd->pol,
des_access, &domain->sid, &dom_pol);
if (!NT_STATUS_IS_OK(result))
goto done;
got_dom_pol = True;
/* Get user handle */
result = cli_samr_open_user(hnd->cli, mem_ctx, &dom_pol,
des_access, user_rid, &user_pol);
if (!NT_STATUS_IS_OK(result))
goto done;
got_user_pol = True;
/* Query user rids */
result = cli_samr_query_usergroups(hnd->cli, mem_ctx, &user_pol,
num_groups, &user_groups);
if (!NT_STATUS_IS_OK(result) || (*num_groups) == 0)
goto done;
(*user_gids) = talloc(mem_ctx, sizeof(uint32) * (*num_groups));
for (i=0;i<(*num_groups);i++) {
(*user_gids)[i] = user_groups[i].g_rid;
}
done:
/* Clean up policy handles */
if (got_user_pol)
cli_samr_close(hnd->cli, mem_ctx, &user_pol);
if (got_dom_pol)
cli_samr_close(hnd->cli, mem_ctx, &dom_pol);
return result;
}
/* the rpc backend methods are exposed via this structure */
struct winbindd_methods msrpc_methods = {
query_user_list,
enum_dom_groups,
name_to_sid,
winbindd_rpc_sid_to_name,
query_user,
lookup_usergroups
};
|
