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
|
/* packet-dcerpc-lsa-ds.c
* Routines for SMB \PIPE\lsarpc packet disassembly
* Copyright 2002-2003, Tim Potter <tpot@samba.org>
* Copyright 2002, Jim McDonough <jmcd@samba.org>
*
* $Id: packet-dcerpc-lsa-ds.c,v 1.12 2003/08/04 02:49:02 tpot Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include <string.h>
#include <epan/packet.h>
#include "packet-dcerpc.h"
#include "packet-dcerpc-nt.h"
#include "smb.h"
#define LSA_DS_DSROLEGETDOMINFO 0x0000
#define LSA_DS_DSROLE_BASIC_INFO 0x0001
#define LSA_DS_DSROLE_UPGRADE_STATUS 0x0002
#define LSA_DS_DSROLE_OP_STATUS 0x0003
static int proto_dcerpc_lsa_ds = -1;
static int hf_lsa_ds_opnum = -1;
static int hf_lsa_ds_dominfo_level = -1;
static int hf_lsa_ds_machine_role = -1;
static int hf_lsa_ds_dominfo_flags = -1;
static int hf_lsa_ds_dominfo_netb_name = -1;
static int hf_lsa_ds_dominfo_dns_name = -1;
static int hf_lsa_ds_dominfo_forest_name = -1;
static int hf_lsa_ds_upgrade_state = -1;
static int hf_lsa_ds_previous_role = -1;
static int hf_lsa_ds_op_status = -1;
static int hf_lsa_ds_rc = -1;
static gint ett_dcerpc_lsa_ds = -1;
static gint ett_lsa_ds_domain_info = -1;
static gint ett_lsa_ds_basic_domain_info = -1;
static gint ett_lsa_ds_upgrade_status = -1;
static gint ett_lsa_ds_op_status = -1;
static int
lsa_ds_dissect_DSROLE_BASIC_INFO(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *parent_tree, char *drep)
{
proto_item *item=NULL;
proto_tree *tree=NULL;
int old_offset=offset;
if(parent_tree){
item = proto_tree_add_text(parent_tree, tvb, offset, -1,
"DSROLE_BASIC_DOMAIN_INFO:");
tree = proto_item_add_subtree(item,
ett_lsa_ds_basic_domain_info);
}
ALIGN_TO_4_BYTES;
/* role */
offset = dissect_ndr_uint16(tvb, offset, pinfo, tree, drep,
hf_lsa_ds_machine_role, 0);
/* flags */
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_lsa_ds_dominfo_flags, 0);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "NetBIOS domain name pointer",
hf_lsa_ds_dominfo_netb_name, 0);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "DNS domain pointer",
hf_lsa_ds_dominfo_dns_name, 0);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "DNS forest name pointer",
hf_lsa_ds_dominfo_forest_name, 0);
/* GUID */
offset = dissect_nt_GUID(tvb, offset, pinfo, tree, drep);
proto_item_set_len(item, offset-old_offset);
return offset;
}
static int
lsa_ds_dissect_DSROLE_UPGRADE_STATUS(tvbuff_t *tvb, int offset,
packet_info *pinfo,
proto_tree *parent_tree, char *drep)
{
proto_item *item=NULL;
proto_tree *tree=NULL;
int old_offset=offset;
if(parent_tree){
item = proto_tree_add_text(parent_tree, tvb, offset, -1,
"DSROLE_UPGRADE_STATUS:");
tree = proto_item_add_subtree(item,
ett_lsa_ds_upgrade_status);
}
offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, drep,
hf_lsa_ds_upgrade_state, NULL);
offset = dissect_ndr_uint16 (tvb, offset, pinfo, tree, drep,
hf_lsa_ds_previous_role, NULL);
proto_item_set_len(item, offset-old_offset);
return offset;
}
static int
lsa_ds_dissect_DSROLE_OP_STATUS(tvbuff_t *tvb, int offset,
packet_info *pinfo,
proto_tree *parent_tree, char *drep)
{
proto_item *item=NULL;
proto_tree *tree=NULL;
int old_offset=offset;
if(parent_tree){
item = proto_tree_add_text(parent_tree, tvb, offset, -1,
"DSROLE_OP_STATUS:");
tree = proto_item_add_subtree(item,
ett_lsa_ds_op_status);
}
offset = dissect_ndr_uint16 (tvb, offset, pinfo, tree, drep,
hf_lsa_ds_op_status, NULL);
proto_item_set_len(item, offset-old_offset);
return offset;
}
static int
lsa_ds_dissect_DS_DOMINFO_CTR(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *parent_tree, char *drep)
{
proto_item *item=NULL;
proto_tree *tree=NULL;
int old_offset=offset;
guint16 level;
if(parent_tree){
item = proto_tree_add_text(parent_tree, tvb, offset, -1,
"DOMAIN_INFO:");
tree = proto_item_add_subtree(item, ett_lsa_ds_domain_info);
}
offset = dissect_ndr_uint16 (tvb, offset, pinfo, tree, drep,
hf_lsa_ds_dominfo_level, &level);
switch(level){
case LSA_DS_DSROLE_BASIC_INFO:
offset = lsa_ds_dissect_DSROLE_BASIC_INFO(
tvb, offset, pinfo, tree, drep);
break;
case LSA_DS_DSROLE_UPGRADE_STATUS:
offset = lsa_ds_dissect_DSROLE_UPGRADE_STATUS(
tvb, offset, pinfo, tree, drep);
break;
case LSA_DS_DSROLE_OP_STATUS:
offset = lsa_ds_dissect_DSROLE_OP_STATUS(
tvb, offset, pinfo, tree, drep);
break;
}
proto_item_set_len(item, offset-old_offset);
return offset;
}
static int
lsa_ds_dissect_role_get_dom_info_rqst(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, char *drep)
{
guint16 level;
offset = dissect_ndr_uint16(tvb, offset, pinfo, tree, drep,
hf_lsa_ds_dominfo_level, &level);
if (check_col(pinfo->cinfo, COL_INFO))
col_append_fstr(pinfo->cinfo, COL_INFO, ", level %d", level);
return offset;
}
static int
lsa_ds_dissect_role_get_dom_info_reply(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, char *drep)
{
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
lsa_ds_dissect_DS_DOMINFO_CTR, NDR_POINTER_UNIQUE,
"DOMAIN_INFORMATION pointer", -1);
offset = dissect_ntstatus(
tvb, offset, pinfo, tree, drep, hf_lsa_ds_rc, NULL);
return offset;
}
static const value_string lsa_ds_dominfo_levels[] = {
{ LSA_DS_DSROLE_BASIC_INFO, "DsRoleBasicInfo"},
{ LSA_DS_DSROLE_UPGRADE_STATUS, "DsRoleUpgradeStatus"},
{ LSA_DS_DSROLE_OP_STATUS, "DsRoleOpStatus"},
{ 0, NULL }
};
static const value_string lsa_ds_role_vals[] = {
{ 0, "Standalone Workstation" },
{ 1, "Domain Member Workstation" },
{ 2, "Standalone Server" },
{ 3, "Domain Member Server" },
{ 4, "Backup Domain Controller" },
{ 5, "Primary Domain Controller" },
{ 0, NULL }
};
static const value_string lsa_ds_upgrade_vals[] = {
{ 0, "Not currently upgrading"},
{ 1, "Upgrade in progress"},
{ 0, NULL }
};
static const value_string lsa_ds_previous_roles[] = {
{ 0, "Unknown state" },
{ 1, "Primary" },
{ 2, "Backup" },
{ 0, NULL }
};
static const value_string lsa_ds_op_states[] = {
{ 0, "Idle" },
{ 1, "Active" },
{ 2, "Needs reboot" },
{ 0, NULL }
};
void
proto_register_dcerpc_lsa_ds(void)
{
static hf_register_info hf[] = {
{ &hf_lsa_ds_opnum,
{ "Operation", "ls_ads.opnum", FT_UINT16, BASE_DEC,
NULL, 0x0, "Operation", HFILL }},
{ &hf_lsa_ds_dominfo_level,
{ "Level", "lsa_ds.dominfo.level", FT_UINT16, BASE_DEC,
VALS(lsa_ds_dominfo_levels), 0x0,
"Information level of requested data", HFILL }},
{ &hf_lsa_ds_machine_role,
{ "Machine role", "lsa_ds.role", FT_UINT16, BASE_HEX,
VALS(lsa_ds_role_vals), 0x0, "Role of machine in domain", HFILL}},
{ &hf_lsa_ds_dominfo_flags,
{ "Flags", "lsa_ds.dominfo.flags", FT_UINT32, BASE_HEX,
NULL, 0x0, "Machine flags", HFILL }},
{ &hf_lsa_ds_dominfo_netb_name,
{ "Netbios name", "lsa_ds.dominfo.nbname", FT_STRING, BASE_NONE,
NULL, 0x0, "Netbios Domain Name", HFILL}},
{ &hf_lsa_ds_dominfo_dns_name,
{ "DNS name", "lsa_ds.dominfo.dnsname", FT_STRING, BASE_NONE,
NULL, 0x0, "DNS Domain Name", HFILL}},
{ &hf_lsa_ds_dominfo_forest_name,
{ "Forest name", "lsa_ds.dominfo.forest", FT_STRING, BASE_NONE,
NULL, 0x0, "DNS Forest Name", HFILL}},
{ &hf_lsa_ds_upgrade_state,
{ "Upgrading", "ls_ads.upgrading", FT_UINT32, BASE_DEC,
VALS(lsa_ds_upgrade_vals), 0x0, "Upgrade State", HFILL }},
{ &hf_lsa_ds_previous_role,
{ "Previous role", "ls_ads.upgrading", FT_UINT16, BASE_DEC,
VALS(lsa_ds_previous_roles), 0x0,
"Previous server role before upgrade", HFILL }},
{ &hf_lsa_ds_op_status,
{ "Operational status", "ls_ads.op_status", FT_UINT16, BASE_DEC,
VALS(lsa_ds_op_states), 0x0,
"Current operational status", HFILL }},
{ &hf_lsa_ds_rc,
{ "Return code", "lsa_ds.rc", FT_UINT32, BASE_HEX,
VALS (NT_errors), 0x0, "LSA_DS return status code", HFILL }},
};
static gint *ett[] = {
&ett_dcerpc_lsa_ds,
&ett_lsa_ds_domain_info,
&ett_lsa_ds_basic_domain_info,
&ett_lsa_ds_upgrade_status,
&ett_lsa_ds_op_status
};
proto_dcerpc_lsa_ds = proto_register_protocol(
"Microsoft Local Security Architecture (Directory Services)",
"LSA_DS", "lsa_ds");
proto_register_field_array(proto_dcerpc_lsa_ds, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
/* Protocol handoff */
static e_uuid_t uuid_dcerpc_lsa_ds = {
0x3919286a, 0xb10c, 0x11d0,
{ 0x9b, 0xa8, 0x00, 0xc0, 0x4f, 0xd9, 0x2e, 0xf5}
};
static guint16 ver_dcerpc_lsa_ds = 0;
static dcerpc_sub_dissector lsa_ds_dissectors[] = {
{ LSA_DS_DSROLEGETDOMINFO, "DsRoleGetDomInfo",
lsa_ds_dissect_role_get_dom_info_rqst,
lsa_ds_dissect_role_get_dom_info_reply },
{ 0, NULL, NULL, NULL },
};
void
proto_reg_handoff_dcerpc_lsa_ds(void)
{
/* Register protocol as dcerpc */
dcerpc_init_uuid(proto_dcerpc_lsa_ds, ett_dcerpc_lsa_ds,
&uuid_dcerpc_lsa_ds, ver_dcerpc_lsa_ds,
lsa_ds_dissectors, hf_lsa_ds_opnum);
}
|
