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
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
|
/*
Samba Unix/Linux SMB client library
net ads commands
Copyright (C) 2001 Andrew Tridgell (tridge@samba.org)
Copyright (C) 2001 Remus Koos (remuskoos@yahoo.com)
Copyright (C) 2002 Jim McDonough (jmcd@us.ibm.com)
Copyright (C) 2006 Gerald (Jerry) Carter (jerry@samba.org)
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 "includes.h"
#include "utils/net.h"
/* Macro for checking RPC error codes to make things more readable */
#define CHECK_RPC_ERR(rpc, msg) \
if (!NT_STATUS_IS_OK(result = rpc)) { \
DEBUG(0, (msg ": %s\n", nt_errstr(result))); \
goto done; \
}
#define CHECK_RPC_ERR_DEBUG(rpc, debug_args) \
if (!NT_STATUS_IS_OK(result = rpc)) { \
DEBUG(0, debug_args); \
goto done; \
}
/*******************************************************************
Leave an AD domain. Windows XP disables the machine account.
We'll try the same. The old code would do an LDAP delete.
That only worked using the machine creds because added the machine
with full control to the computer object's ACL.
*******************************************************************/
NTSTATUS netdom_leave_domain( TALLOC_CTX *mem_ctx, struct cli_state *cli,
DOM_SID *dom_sid )
{
struct rpc_pipe_client *pipe_hnd = NULL;
POLICY_HND sam_pol, domain_pol, user_pol;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
char *acct_name;
uint32 flags = 0x3e8;
const char *const_acct_name;
uint32 user_rid;
uint32 num_rids, *name_types, *user_rids;
SAM_USERINFO_CTR ctr, *qctr = NULL;
SAM_USER_INFO_16 p16;
/* Open the domain */
if ( (pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status)) == NULL ) {
DEBUG(0, ("Error connecting to SAM pipe. Error was %s\n",
nt_errstr(status) ));
return status;
}
status = rpccli_samr_connect(pipe_hnd, mem_ctx,
SEC_RIGHTS_MAXIMUM_ALLOWED, &sam_pol);
if ( !NT_STATUS_IS_OK(status) )
return status;
status = rpccli_samr_open_domain(pipe_hnd, mem_ctx, &sam_pol,
SEC_RIGHTS_MAXIMUM_ALLOWED, dom_sid, &domain_pol);
if ( !NT_STATUS_IS_OK(status) )
return status;
/* Create domain user */
acct_name = talloc_asprintf(mem_ctx, "%s$", global_myname());
strlower_m(acct_name);
const_acct_name = acct_name;
status = rpccli_samr_lookup_names(pipe_hnd, mem_ctx,
&domain_pol, flags, 1, &const_acct_name,
&num_rids, &user_rids, &name_types);
if ( !NT_STATUS_IS_OK(status) )
return status;
if ( name_types[0] != SID_NAME_USER) {
DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name, name_types[0]));
return NT_STATUS_INVALID_WORKSTATION;
}
user_rid = user_rids[0];
/* Open handle on user */
status = rpccli_samr_open_user(pipe_hnd, mem_ctx, &domain_pol,
SEC_RIGHTS_MAXIMUM_ALLOWED, user_rid, &user_pol);
if ( !NT_STATUS_IS_OK(status) ) {
goto done;
}
/* Get user info */
status = rpccli_samr_query_userinfo(pipe_hnd, mem_ctx, &user_pol, 16, &qctr);
if ( !NT_STATUS_IS_OK(status) ) {
rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
goto done;
}
/* now disable and setuser info */
ZERO_STRUCT(ctr);
ctr.switch_value = 16;
ctr.info.id16 = &p16;
p16.acb_info = qctr->info.id16->acb_info | ACB_DISABLED;
status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol, 16,
&cli->user_session_key, &ctr);
rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
done:
rpccli_samr_close(pipe_hnd, mem_ctx, &domain_pol);
rpccli_samr_close(pipe_hnd, mem_ctx, &sam_pol);
cli_rpc_pipe_close(pipe_hnd); /* Done with this pipe */
return status;
}
/*******************************************************************
Store the machine password and domain SID
********************************************************************/
int netdom_store_machine_account( const char *domain, DOM_SID *sid, const char *pw )
{
if (!secrets_store_domain_sid(domain, sid)) {
DEBUG(1,("Failed to save domain sid\n"));
return -1;
}
if (!secrets_store_machine_password(pw, domain, SEC_CHAN_WKSTA)) {
DEBUG(1,("Failed to save machine password\n"));
return -1;
}
return 0;
}
/*******************************************************************
********************************************************************/
NTSTATUS netdom_get_domain_sid( TALLOC_CTX *mem_ctx, struct cli_state *cli, DOM_SID **sid )
{
struct rpc_pipe_client *pipe_hnd = NULL;
POLICY_HND lsa_pol;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
char *domain = NULL;
if ( (pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status)) == NULL ) {
DEBUG(0, ("Error connecting to LSA pipe. Error was %s\n",
nt_errstr(status) ));
return status;
}
status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, True,
SEC_RIGHTS_MAXIMUM_ALLOWED, &lsa_pol);
if ( !NT_STATUS_IS_OK(status) )
return status;
status = rpccli_lsa_query_info_policy(pipe_hnd, mem_ctx,
&lsa_pol, 5, &domain, sid);
if ( !NT_STATUS_IS_OK(status) )
return status;
rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
cli_rpc_pipe_close(pipe_hnd); /* Done with this pipe */
/* Bail out if domain didn't get set. */
if (!domain) {
DEBUG(0, ("Could not get domain name.\n"));
return NT_STATUS_UNSUCCESSFUL;
}
return NT_STATUS_OK;
}
/*******************************************************************
Do the domain join
********************************************************************/
NTSTATUS netdom_join_domain( TALLOC_CTX *mem_ctx, struct cli_state *cli,
DOM_SID *dom_sid, const char *clear_pw,
enum netdom_domain_t dom_type )
{
struct rpc_pipe_client *pipe_hnd = NULL;
POLICY_HND sam_pol, domain_pol, user_pol;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
char *acct_name;
const char *const_acct_name;
uint32 user_rid;
uint32 num_rids, *name_types, *user_rids;
uint32 flags = 0x3e8;
uint32 acb_info = ACB_WSTRUST;
uchar pwbuf[516];
SAM_USERINFO_CTR ctr;
SAM_USER_INFO_24 p24;
SAM_USER_INFO_16 p16;
uchar md4_trust_password[16];
/* Open the domain */
if ( (pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status)) == NULL ) {
DEBUG(0, ("Error connecting to SAM pipe. Error was %s\n",
nt_errstr(status) ));
return status;
}
status = rpccli_samr_connect(pipe_hnd, mem_ctx,
SEC_RIGHTS_MAXIMUM_ALLOWED, &sam_pol);
if ( !NT_STATUS_IS_OK(status) )
return status;
status = rpccli_samr_open_domain(pipe_hnd, mem_ctx, &sam_pol,
SEC_RIGHTS_MAXIMUM_ALLOWED, dom_sid, &domain_pol);
if ( !NT_STATUS_IS_OK(status) )
return status;
/* Create domain user */
acct_name = talloc_asprintf(mem_ctx, "%s$", global_myname());
strlower_m(acct_name);
const_acct_name = acct_name;
/* Don't try to set any acb_info flags other than ACB_WSTRUST */
status = rpccli_samr_create_dom_user(pipe_hnd, mem_ctx, &domain_pol,
acct_name, acb_info, 0xe005000b, &user_pol, &user_rid);
if ( !NT_STATUS_IS_OK(status)
&& !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS))
{
d_fprintf(stderr, "Creation of workstation account failed\n");
/* If NT_STATUS_ACCESS_DENIED then we have a valid
username/password combo but the user does not have
administrator access. */
if (NT_STATUS_V(status) == NT_STATUS_V(NT_STATUS_ACCESS_DENIED))
d_fprintf(stderr, "User specified does not have administrator privileges\n");
return status;
}
/* We *must* do this.... don't ask... */
if (NT_STATUS_IS_OK(status)) {
rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
}
status = rpccli_samr_lookup_names(pipe_hnd, mem_ctx,
&domain_pol, flags, 1, &const_acct_name,
&num_rids, &user_rids, &name_types);
if ( !NT_STATUS_IS_OK(status) )
return status;
if ( name_types[0] != SID_NAME_USER) {
DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name, name_types[0]));
return NT_STATUS_INVALID_WORKSTATION;
}
user_rid = user_rids[0];
/* Open handle on user */
status = rpccli_samr_open_user(pipe_hnd, mem_ctx, &domain_pol,
SEC_RIGHTS_MAXIMUM_ALLOWED, user_rid, &user_pol);
/* Create a random machine account password */
E_md4hash( clear_pw, md4_trust_password);
encode_pw_buffer(pwbuf, clear_pw, STR_UNICODE);
/* Set password on machine account */
ZERO_STRUCT(ctr);
ZERO_STRUCT(p24);
init_sam_user_info24(&p24, (char *)pwbuf,24);
ctr.switch_value = 24;
ctr.info.id24 = &p24;
status = rpccli_samr_set_userinfo(pipe_hnd, mem_ctx, &user_pol,
24, &cli->user_session_key, &ctr);
if ( !NT_STATUS_IS_OK(status) ) {
d_fprintf( stderr, "Failed to set password for machine account (%s)\n",
nt_errstr(status));
return status;
}
/* Why do we have to try to (re-)set the ACB to be the same as what
we passed in the samr_create_dom_user() call? When a NT
workstation is joined to a domain by an administrator the
acb_info is set to 0x80. For a normal user with "Add
workstations to the domain" rights the acb_info is 0x84. I'm
not sure whether it is supposed to make a difference or not. NT
seems to cope with either value so don't bomb out if the set
userinfo2 level 0x10 fails. -tpot */
ZERO_STRUCT(ctr);
ctr.switch_value = 16;
ctr.info.id16 = &p16;
/* Fill in the additional account flags now */
acb_info |= ACB_PWNOEXP;
if ( dom_type == ND_TYPE_AD ) {
#if !defined(ENCTYPE_ARCFOUR_HMAC)
acb_info |= ACB_USE_DES_KEY_ONLY;
#endif
;;
}
init_sam_user_info16(&p16, acb_info);
status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol, 16,
&cli->user_session_key, &ctr);
rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
cli_rpc_pipe_close(pipe_hnd); /* Done with this pipe */
return status;
}
|
