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
|
/*
Unix SMB/CIFS implementation.
endpoint server for the lsarpc pipe
Copyright (C) Andrew Tridgell 2004
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2007
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 "rpc_server/lsa/lsa.h"
NTSTATUS dcesrv_lsa_get_policy_state(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
struct lsa_policy_state **_state)
{
struct lsa_policy_state *state;
struct ldb_dn *partitions_basedn;
struct ldb_result *dom_res;
const char *dom_attrs[] = {
"objectSid",
"objectGUID",
"nTMixedDomain",
"fSMORoleOwner",
NULL
};
struct ldb_result *ref_res;
struct ldb_result *forest_ref_res;
const char *ref_attrs[] = {
"nETBIOSName",
"dnsRoot",
NULL
};
int ret;
state = talloc(mem_ctx, struct lsa_policy_state);
if (!state) {
return NT_STATUS_NO_MEMORY;
}
/* make sure the sam database is accessible */
state->sam_ldb = samdb_connect(state, dce_call->event_ctx, dce_call->conn->dce_ctx->lp_ctx, dce_call->conn->auth_state.session_info);
if (state->sam_ldb == NULL) {
return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
partitions_basedn = samdb_partitions_dn(state->sam_ldb, mem_ctx);
/* work out the domain_dn - useful for so many calls its worth
fetching here */
state->domain_dn = samdb_base_dn(state->sam_ldb);
if (!state->domain_dn) {
return NT_STATUS_NO_MEMORY;
}
/* work out the forest root_dn - useful for so many calls its worth
fetching here */
state->forest_dn = samdb_root_dn(state->sam_ldb);
if (!state->forest_dn) {
return NT_STATUS_NO_MEMORY;
}
ret = ldb_search(state->sam_ldb, mem_ctx, &dom_res,
state->domain_dn, LDB_SCOPE_BASE, dom_attrs, NULL);
if (ret != LDB_SUCCESS) {
return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
if (dom_res->count != 1) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->domain_sid = samdb_result_dom_sid(state, dom_res->msgs[0], "objectSid");
if (!state->domain_sid) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->domain_guid = samdb_result_guid(dom_res->msgs[0], "objectGUID");
if (!state->domain_sid) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->mixed_domain = ldb_msg_find_attr_as_uint(dom_res->msgs[0], "nTMixedDomain", 0);
talloc_free(dom_res);
ret = ldb_search(state->sam_ldb, state, &ref_res,
partitions_basedn, LDB_SCOPE_SUBTREE, ref_attrs,
"(&(objectclass=crossRef)(ncName=%s))",
ldb_dn_get_linearized(state->domain_dn));
if (ret != LDB_SUCCESS) {
talloc_free(ref_res);
return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
if (ref_res->count != 1) {
talloc_free(ref_res);
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->domain_name = ldb_msg_find_attr_as_string(ref_res->msgs[0], "nETBIOSName", NULL);
if (!state->domain_name) {
talloc_free(ref_res);
return NT_STATUS_NO_SUCH_DOMAIN;
}
talloc_steal(state, state->domain_name);
state->domain_dns = ldb_msg_find_attr_as_string(ref_res->msgs[0], "dnsRoot", NULL);
if (!state->domain_dns) {
talloc_free(ref_res);
return NT_STATUS_NO_SUCH_DOMAIN;
}
talloc_steal(state, state->domain_dns);
talloc_free(ref_res);
ret = ldb_search(state->sam_ldb, state, &forest_ref_res,
partitions_basedn, LDB_SCOPE_SUBTREE, ref_attrs,
"(&(objectclass=crossRef)(ncName=%s))",
ldb_dn_get_linearized(state->forest_dn));
if (ret != LDB_SUCCESS) {
talloc_free(forest_ref_res);
return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
if (forest_ref_res->count != 1) {
talloc_free(forest_ref_res);
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->forest_dns = ldb_msg_find_attr_as_string(forest_ref_res->msgs[0], "dnsRoot", NULL);
if (!state->forest_dns) {
talloc_free(forest_ref_res);
return NT_STATUS_NO_SUCH_DOMAIN;
}
talloc_steal(state, state->forest_dns);
talloc_free(forest_ref_res);
/* work out the builtin_dn - useful for so many calls its worth
fetching here */
state->builtin_dn = samdb_search_dn(state->sam_ldb, state, state->domain_dn, "(objectClass=builtinDomain)");
if (!state->builtin_dn) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
/* work out the system_dn - useful for so many calls its worth
fetching here */
state->system_dn = samdb_search_dn(state->sam_ldb, state,
state->domain_dn, "(&(objectClass=container)(cn=System))");
if (!state->system_dn) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->builtin_sid = dom_sid_parse_talloc(state, SID_BUILTIN);
if (!state->builtin_sid) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->nt_authority_sid = dom_sid_parse_talloc(state, SID_NT_AUTHORITY);
if (!state->nt_authority_sid) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->creator_owner_domain_sid = dom_sid_parse_talloc(state, SID_CREATOR_OWNER_DOMAIN);
if (!state->creator_owner_domain_sid) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->world_domain_sid = dom_sid_parse_talloc(state, SID_WORLD_DOMAIN);
if (!state->world_domain_sid) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
*_state = state;
return NT_STATUS_OK;
}
/*
lsa_OpenPolicy2
*/
NTSTATUS dcesrv_lsa_OpenPolicy2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
struct lsa_OpenPolicy2 *r)
{
NTSTATUS status;
struct lsa_policy_state *state;
struct dcesrv_handle *handle;
ZERO_STRUCTP(r->out.handle);
status = dcesrv_lsa_get_policy_state(dce_call, mem_ctx, &state);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
handle = dcesrv_handle_new(dce_call->context, LSA_HANDLE_POLICY);
if (!handle) {
return NT_STATUS_NO_MEMORY;
}
handle->data = talloc_steal(handle, state);
state->access_mask = r->in.access_mask;
state->handle = handle;
*r->out.handle = handle->wire_handle;
/* note that we have completely ignored the attr element of
the OpenPolicy. As far as I can tell, this is what w2k3
does */
return NT_STATUS_OK;
}
/*
lsa_OpenPolicy
a wrapper around lsa_OpenPolicy2
*/
NTSTATUS dcesrv_lsa_OpenPolicy(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
struct lsa_OpenPolicy *r)
{
struct lsa_OpenPolicy2 r2;
r2.in.system_name = NULL;
r2.in.attr = r->in.attr;
r2.in.access_mask = r->in.access_mask;
r2.out.handle = r->out.handle;
return dcesrv_lsa_OpenPolicy2(dce_call, mem_ctx, &r2);
}
|
