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
|
/* packet-dcerpc-ndr.c
* Routines for DCERPC NDR dissection
* Copyright 2001, Todd Sabin <tas@webspan.net>
*
* $Id: packet-dcerpc-ndr.c,v 1.2 2001/12/06 23:30:35 guy 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
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <string.h>
#include <ctype.h>
#include <glib.h>
#include "packet.h"
#include "packet-dcerpc.h"
/*
* The NDR routines are for use by dcerpc subdissetors. They're
* primarily for making sure things are aligned properly according
* to the rules of NDR.
*/
int
dissect_ndr_uint8 (tvbuff_t *tvb, gint offset, packet_info *pinfo,
proto_tree *tree, char *drep,
int hfindex, guint8 *pdata)
{
/* no alignment needed */
return dissect_dcerpc_uint8 (tvb, offset, pinfo,
tree, drep, hfindex, pdata);
}
int
dissect_ndr_uint16 (tvbuff_t *tvb, gint offset, packet_info *pinfo,
proto_tree *tree, char *drep,
int hfindex, guint16 *pdata)
{
if (offset % 2) {
offset++;
}
return dissect_dcerpc_uint16 (tvb, offset, pinfo,
tree, drep, hfindex, pdata);
}
int
dissect_ndr_uint32 (tvbuff_t *tvb, gint offset, packet_info *pinfo,
proto_tree *tree, char *drep,
int hfindex, guint32 *pdata)
{
if (offset % 4) {
offset += 4 - (offset % 4);
}
return dissect_dcerpc_uint32 (tvb, offset, pinfo,
tree, drep, hfindex, pdata);
}
int
dissect_ndr_uuid_t (tvbuff_t *tvb, gint offset, packet_info *pinfo,
proto_tree *tree, char *drep,
int hfindex, e_uuid_t *pdata)
{
e_uuid_t uuid;
/* uuid's are aligned to 4 bytes, due to initial uint32 in struct */
if (offset % 4) {
offset += 4 - (offset % 4);
}
dcerpc_tvb_get_uuid (tvb, offset, drep, &uuid);
if (tree) {
proto_tree_add_string_format (tree, hfindex, tvb, offset, 16, "",
"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
uuid.Data1, uuid.Data2, uuid.Data3,
uuid.Data4[0], uuid.Data4[1],
uuid.Data4[2], uuid.Data4[3],
uuid.Data4[4], uuid.Data4[5],
uuid.Data4[6], uuid.Data4[7]);
}
if (pdata) {
*pdata = uuid;
}
return offset + 16;
}
int
dissect_ndr_ctx_hnd (tvbuff_t *tvb, gint offset, packet_info *pinfo,
proto_tree *tree, char *drep,
int hfindex, e_ctx_hnd *pdata)
{
e_ctx_hnd ctx_hnd;
if (offset % 4) {
offset += 4 - (offset % 4);
}
ctx_hnd.Data1 = dcerpc_tvb_get_ntohl (tvb, offset, drep);
dcerpc_tvb_get_uuid (tvb, offset+4, drep, &ctx_hnd.uuid);
if (tree) {
proto_tree_add_bytes (tree, hfindex, tvb, offset, 20,
tvb_get_ptr (tvb, offset, 20));
}
if (pdata) {
*pdata = ctx_hnd;
}
return offset + 20;
}
|
