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
|
/*
* Unix SMB/CIFS implementation.
* Routines to operate on various trust relationships
* Copyright (C) Andrew Bartlett 2001
* Copyright (C) Rafal Szczesniak 2003
*
* 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"
/*********************************************************
Change the domain password on the PDC.
Just changes the password betwen the two values specified.
Caller must have the cli connected to the netlogon pipe
already.
**********************************************************/
static NTSTATUS just_change_the_password(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
const unsigned char orig_trust_passwd_hash[16],
const char *new_trust_pwd_cleartext,
const unsigned char new_trust_passwd_hash[16],
uint32 sec_channel_type)
{
NTSTATUS result;
uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
result = rpccli_netlogon_setup_creds(cli,
cli->cli->desthost, /* server name */
lp_workgroup(), /* domain */
global_myname(), /* client name */
global_myname(), /* machine account name */
orig_trust_passwd_hash,
sec_channel_type,
&neg_flags);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(3,("just_change_the_password: unable to setup creds (%s)!\n",
nt_errstr(result)));
return result;
}
if (neg_flags & NETLOGON_NEG_PASSWORD_SET2) {
struct netr_Authenticator clnt_creds, srv_cred;
struct netr_CryptPassword new_password;
struct samr_CryptPassword password_buf;
netlogon_creds_client_step(cli->dc, &clnt_creds);
encode_pw_buffer(password_buf.data, new_trust_pwd_cleartext, STR_UNICODE);
SamOEMhash(password_buf.data, cli->dc->sess_key, 516);
memcpy(new_password.data, password_buf.data, 512);
new_password.length = IVAL(password_buf.data, 512);
result = rpccli_netr_ServerPasswordSet2(cli, mem_ctx,
cli->dc->remote_machine,
cli->dc->mach_acct,
sec_channel_type,
global_myname(),
&clnt_creds,
&srv_cred,
&new_password);
/* Always check returned credentials. */
if (!netlogon_creds_client_check(cli->dc, &srv_cred.cred)) {
DEBUG(0,("rpccli_netr_ServerPasswordSet2: "
"credentials chain check failed\n"));
return NT_STATUS_ACCESS_DENIED;
}
} else {
struct netr_Authenticator clnt_creds, srv_cred;
struct samr_Password new_password;
netlogon_creds_client_step(cli->dc, &clnt_creds);
cred_hash3(new_password.hash,
new_trust_passwd_hash,
cli->dc->sess_key, 1);
result = rpccli_netr_ServerPasswordSet(cli, mem_ctx,
cli->dc->remote_machine,
cli->dc->mach_acct,
sec_channel_type,
global_myname(),
&clnt_creds,
&srv_cred,
&new_password);
/* Always check returned credentials. */
if (!netlogon_creds_client_check(cli->dc, &srv_cred.cred)) {
DEBUG(0,("rpccli_netr_ServerPasswordSet: "
"credentials chain check failed\n"));
return NT_STATUS_ACCESS_DENIED;
}
}
if (!NT_STATUS_IS_OK(result)) {
DEBUG(0,("just_change_the_password: unable to change password (%s)!\n",
nt_errstr(result)));
}
return result;
}
/*********************************************************
Change the domain password on the PDC.
Store the password ourselves, but use the supplied password
Caller must have already setup the connection to the NETLOGON pipe
**********************************************************/
NTSTATUS trust_pw_change_and_store_it(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
const char *domain,
unsigned char orig_trust_passwd_hash[16],
uint32 sec_channel_type)
{
unsigned char new_trust_passwd_hash[16];
char *new_trust_passwd;
char *str;
NTSTATUS nt_status;
/* Create a random machine account password */
str = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
if ((new_trust_passwd = talloc_strdup(mem_ctx, str)) == NULL) {
DEBUG(0, ("talloc_strdup failed\n"));
return NT_STATUS_NO_MEMORY;
}
E_md4hash(new_trust_passwd, new_trust_passwd_hash);
nt_status = just_change_the_password(cli, mem_ctx,
orig_trust_passwd_hash,
new_trust_passwd,
new_trust_passwd_hash,
sec_channel_type);
if (NT_STATUS_IS_OK(nt_status)) {
DEBUG(3,("%s : trust_pw_change_and_store_it: Changed password.\n",
current_timestring(debug_ctx(), False)));
/*
* Return the result of trying to write the new password
* back into the trust account file.
*/
if (!secrets_store_machine_password(new_trust_passwd, domain, sec_channel_type)) {
nt_status = NT_STATUS_UNSUCCESSFUL;
}
}
return nt_status;
}
/*********************************************************
Change the domain password on the PDC.
Do most of the legwork ourselfs. Caller must have
already setup the connection to the NETLOGON pipe
**********************************************************/
NTSTATUS trust_pw_find_change_and_store_it(struct rpc_pipe_client *cli,
TALLOC_CTX *mem_ctx,
const char *domain)
{
unsigned char old_trust_passwd_hash[16];
uint32 sec_channel_type = 0;
if (!secrets_fetch_trust_account_password(domain,
old_trust_passwd_hash,
NULL, &sec_channel_type)) {
DEBUG(0, ("could not fetch domain secrets for domain %s!\n", domain));
return NT_STATUS_UNSUCCESSFUL;
}
return trust_pw_change_and_store_it(cli, mem_ctx, domain,
old_trust_passwd_hash,
sec_channel_type);
}
/*********************************************************************
Enumerate the list of trusted domains from a DC
*********************************************************************/
bool enumerate_domain_trusts( TALLOC_CTX *mem_ctx, const char *domain,
char ***domain_names, uint32 *num_domains,
DOM_SID **sids )
{
POLICY_HND pol;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
fstring dc_name;
struct sockaddr_storage dc_ss;
uint32 enum_ctx = 0;
struct cli_state *cli = NULL;
struct rpc_pipe_client *lsa_pipe;
bool retry;
struct lsa_DomainList dom_list;
int i;
*domain_names = NULL;
*num_domains = 0;
*sids = NULL;
/* lookup a DC first */
if ( !get_dc_name(domain, NULL, dc_name, &dc_ss) ) {
DEBUG(3,("enumerate_domain_trusts: can't locate a DC for domain %s\n",
domain));
return False;
}
/* setup the anonymous connection */
result = cli_full_connection( &cli, global_myname(), dc_name, &dc_ss, 0, "IPC$", "IPC",
"", "", "", 0, Undefined, &retry);
if ( !NT_STATUS_IS_OK(result) )
goto done;
/* open the LSARPC_PIPE */
lsa_pipe = cli_rpc_pipe_open_noauth( cli, PI_LSARPC, &result );
if ( !lsa_pipe) {
goto done;
}
/* get a handle */
result = rpccli_lsa_open_policy(lsa_pipe, mem_ctx, True,
LSA_POLICY_VIEW_LOCAL_INFORMATION, &pol);
if ( !NT_STATUS_IS_OK(result) )
goto done;
/* Lookup list of trusted domains */
result = rpccli_lsa_EnumTrustDom(lsa_pipe, mem_ctx,
&pol,
&enum_ctx,
&dom_list,
(uint32_t)-1);
if ( !NT_STATUS_IS_OK(result) )
goto done;
*num_domains = dom_list.count;
*domain_names = TALLOC_ZERO_ARRAY(mem_ctx, char *, *num_domains);
if (!*domain_names) {
result = NT_STATUS_NO_MEMORY;
goto done;
}
*sids = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, *num_domains);
if (!*sids) {
result = NT_STATUS_NO_MEMORY;
goto done;
}
for (i=0; i< *num_domains; i++) {
(*domain_names)[i] = CONST_DISCARD(char *, dom_list.domains[i].name.string);
(*sids)[i] = *dom_list.domains[i].sid;
}
done:
/* cleanup */
if (cli) {
DEBUG(10,("enumerate_domain_trusts: shutting down connection...\n"));
cli_shutdown( cli );
}
return NT_STATUS_IS_OK(result);
}
|
