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
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
|
/*
* Unix SMB/CIFS implementation.
* libnet Join Support
* Copyright (C) Gerald (Jerry) Carter 2006
* Copyright (C) Guenther Deschner 2007
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "libnet/libnet_join.h"
#include "libnet/libnet_proto.h"
static NTSTATUS do_DomainJoin(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
struct cli_state *cli = NULL;
struct rpc_pipe_client *pipe_hnd = NULL;
const char *password = NULL;
POLICY_HND sam_pol, domain_pol, user_pol, lsa_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;
uint32 fields_present;
uchar pwbuf[532];
SAM_USERINFO_CTR ctr;
SAM_USER_INFO_25 p25;
const int infolevel = 25;
struct MD5Context md5ctx;
uchar md5buffer[16];
DATA_BLOB digested_session_key;
uchar md4_trust_password[16];
password = talloc_strdup(mem_ctx,
generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH));
NT_STATUS_HAVE_NO_MEMORY(password);
status = cli_full_connection(&cli, NULL, r->in.server_name,
NULL, 0,
"IPC$", "IPC",
r->in.admin_account,
NULL, //r->in.domain_name,
r->in.password,
0, Undefined, NULL);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
if (!pipe_hnd) {
goto done;
}
status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, True,
SEC_RIGHTS_MAXIMUM_ALLOWED, &lsa_pol);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
status = rpccli_lsa_query_info_policy(pipe_hnd, mem_ctx, &lsa_pol,
5,
&r->out.netbios_domain_name,
&r->out.domain_sid);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
status = rpccli_lsa_query_info_policy2(pipe_hnd, mem_ctx, &lsa_pol,
12,
&r->out.netbios_domain_name,
&r->out.dns_domain_name,
NULL,
NULL,
&r->out.domain_sid);
rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
cli_rpc_pipe_close(pipe_hnd);
pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
if (!pipe_hnd) {
goto done;
}
status = rpccli_samr_connect(pipe_hnd, mem_ctx,
SEC_RIGHTS_MAXIMUM_ALLOWED, &sam_pol);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
status = rpccli_samr_open_domain(pipe_hnd, mem_ctx, &sam_pol,
SEC_RIGHTS_MAXIMUM_ALLOWED,
r->out.domain_sid,
&domain_pol);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
acct_name = talloc_asprintf(mem_ctx, "%s$", global_myname());
strlower_m(acct_name);
const_acct_name = acct_name;
status = rpccli_samr_create_dom_user(pipe_hnd, mem_ctx, &domain_pol,
acct_name, ACB_WSTRUST,
0xe005000b, &user_pol, &user_rid);
if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
goto done;
}
}
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)) {
goto done;
}
if (name_types[0] != SID_NAME_USER) {
status = NT_STATUS_INVALID_WORKSTATION;
goto done;
}
user_rid = user_rids[0];
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;
}
E_md4hash(r->in.password, md4_trust_password);
encode_pw_buffer(pwbuf, r->in.password, STR_UNICODE);
generate_random_buffer((uint8*)md5buffer, sizeof(md5buffer));
digested_session_key = data_blob_talloc(mem_ctx, 0, 16);
MD5Init(&md5ctx);
MD5Update(&md5ctx, md5buffer, sizeof(md5buffer));
MD5Update(&md5ctx, cli->user_session_key.data, cli->user_session_key.length);
MD5Final(digested_session_key.data, &md5ctx);
SamOEMhashBlob(pwbuf, sizeof(pwbuf), &digested_session_key);
memcpy(&pwbuf[516], md5buffer, sizeof(md5buffer));
acb_info |= ACB_PWNOEXP;
#if 0
if ( dom_type == ND_TYPE_AD ) {
#if !defined(ENCTYPE_ARCFOUR_HMAC)
acb_info |= ACB_USE_DES_KEY_ONLY;
#endif
;;
}
#endif
ZERO_STRUCT(ctr);
ZERO_STRUCT(p25);
fields_present = ACCT_NT_PWD_SET | ACCT_LM_PWD_SET | ACCT_FLAGS;
init_sam_user_info25P(&p25, fields_present, acb_info, (char *)pwbuf);
ctr.switch_value = infolevel;
ctr.info.id25 = &p25;
status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol,
infolevel, &cli->user_session_key,
&ctr);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
cli_rpc_pipe_close(pipe_hnd);
if (!secrets_store_domain_sid(r->out.netbios_domain_name,
r->out.domain_sid))
{
status = NT_STATUS_INTERNAL_DB_ERROR;
goto done;
}
if (!secrets_store_machine_password(password,
r->out.netbios_domain_name,
SEC_CHAN_WKSTA))
{
status = NT_STATUS_INTERNAL_DB_ERROR;
goto done;
}
status = NT_STATUS_OK;
done:
if (cli) {
cli_shutdown(cli);
}
return status;
}
static WERROR do_modify_val_config(struct registry_key *key,
const char *val_name,
const char *val_data)
{
struct registry_value val;
ZERO_STRUCT(val);
val.type = REG_SZ;
val.v.sz.str = CONST_DISCARD(char *, val_data);
val.v.sz.len = strlen(val_data) + 1;
return reg_setvalue(key, val_name, &val);
}
static WERROR do_modify_vals_config(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r,
struct registry_key *key)
{
WERROR werr;
bool is_ad = false;
if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
werr = do_modify_val_config(key, "security", "user");
W_ERROR_NOT_OK_RETURN(werr);
werr = do_modify_val_config(key, "workgroup",
r->in.domain_name);
return werr;
}
if (r->out.dns_domain_name) {
is_ad = true;
}
werr = do_modify_val_config(key, "security", "domain");
W_ERROR_NOT_OK_RETURN(werr);
werr = do_modify_val_config(key, "workgroup",
r->out.netbios_domain_name);
W_ERROR_NOT_OK_RETURN(werr);
if (is_ad) {
werr = do_modify_val_config(key, "security", "ads");
W_ERROR_NOT_OK_RETURN(werr);
werr = do_modify_val_config(key, "realm",
r->out.dns_domain_name);
W_ERROR_NOT_OK_RETURN(werr);
}
return werr;
}
static WERROR do_JoinConfig(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
WERROR werr;
struct registry_key *key = NULL;
if (!W_ERROR_IS_OK(r->out.result)) {
return r->out.result;
}
if (!r->in.modify_config) {
return WERR_OK;
}
if (!registry_init_regdb()) {
return WERR_REG_IO_FAILURE;
}
if (!libnet_smbconf_key_exists(mem_ctx, GLOBAL_NAME)) {
werr = libnet_reg_createkey_internal(mem_ctx,
GLOBAL_NAME, &key);
} else {
werr = libnet_smbconf_open_path(mem_ctx,
GLOBAL_NAME,
REG_KEY_WRITE, &key);
}
if (!W_ERROR_IS_OK(werr)) {
return werr;
}
werr = do_modify_vals_config(mem_ctx, r, key);
if (!W_ERROR_IS_OK(werr)) {
return werr;
}
r->out.modified_config = true;
r->out.result = werr;
return werr;
}
WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx **r)
{
struct libnet_JoinCtx *ctx;
ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
if (!ctx) {
return WERR_NOMEM;
}
*r = ctx;
return WERR_OK;
}
WERROR libnet_Join(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
WERROR werr;
NTSTATUS status;
if (!r->in.domain_name) {
return WERR_INVALID_PARAM;
}
if (r->in.modify_config && !lp_include_registry_globals()) {
return WERR_NOT_SUPPORTED;
}
if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
status = do_DomainJoin(mem_ctx, r);
if (!NT_STATUS_IS_OK(status)) {
if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
return WERR_SETUP_ALREADY_JOINED;
}
return ntstatus_to_werror(status);
}
}
werr = do_JoinConfig(mem_ctx, r);
if (!W_ERROR_IS_OK(werr)) {
return werr;
}
return werr;
}
|