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
|
/* packet-aruba-iap.c
* Routines for Aruba IAP header disassembly
* Copyright 2014, Alexis La Goutte <alexis.lagoutte at gmail dot com>
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* Aruba Instant AP broadcast on L2 Layer with ethertype 0x8ffd
* All frame start with 0xbeef (Magic number ?)
* The address IP(v4) of Aruba Instant AP is available start in offset 11
* the 3 octet is may be a type field(found some frame with this octet is different and data is different)
* Octet to 7 to 10 is may be uptime of AP (the value always increment )
*/
#include "config.h"
#include <glib.h>
#include <epan/packet.h>
#include <epan/addr_resolv.h>
#define ETHERTYPE_IAP 0x8ffd
#define MAGIC_IAP 0xbeef
void proto_register_aruba_iap(void);
void proto_reg_handoff_aruba_iap(void);
static int proto_aruba_iap = -1;
static gint ett_aruba_iap = -1;
static int hf_iap_magic = -1;
static int hf_iap_type = -1;
static int hf_iap_ip = -1;
static int hf_iap_unknown_uint = -1;
static int hf_iap_unknown_bytes = -1;
static int
dissect_aruba_iap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_tree *ti = NULL;
proto_tree *aruba_iap_tree = NULL;
guint16 magic;
int offset = 0;
magic = tvb_get_ntohs(tvb, offset);
if(magic != MAGIC_IAP)
{
return 0;
}
col_set_str(pinfo->cinfo, COL_PROTOCOL, "IAP");
if (tree) {
ti = proto_tree_add_item(tree, proto_aruba_iap, tvb, 0, 0, ENC_NA);
aruba_iap_tree = proto_item_add_subtree(ti, ett_aruba_iap);
}
proto_tree_add_item(aruba_iap_tree, hf_iap_magic, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(aruba_iap_tree, hf_iap_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset +=1;
proto_tree_add_item(aruba_iap_tree, hf_iap_unknown_uint, tvb, offset, 4, ENC_BIG_ENDIAN);
offset +=4;
proto_tree_add_item(aruba_iap_tree, hf_iap_unknown_uint, tvb, offset, 4, ENC_BIG_ENDIAN);
offset +=4;
proto_tree_add_item(aruba_iap_tree, hf_iap_ip, tvb, offset, 4, ENC_BIG_ENDIAN);
col_add_fstr(pinfo->cinfo, COL_INFO, "Aruba Instant AP IP: %s", tvb_ip_to_str(tvb, offset));
offset += 4;
proto_tree_add_item(aruba_iap_tree, hf_iap_unknown_uint, tvb, offset, 4, ENC_BIG_ENDIAN);
offset +=4;
proto_tree_add_item(aruba_iap_tree, hf_iap_unknown_uint, tvb, offset, 4, ENC_BIG_ENDIAN);
offset +=4;
proto_tree_add_item(aruba_iap_tree, hf_iap_unknown_bytes, tvb, offset, -1, ENC_NA);
offset += tvb_reported_length(tvb);
return offset;
}
void
proto_register_aruba_iap(void)
{
static hf_register_info hf[] = {
{ &hf_iap_magic,
{ "Magic", "aruba_iap.magic", FT_UINT16, BASE_HEX, NULL,0x0,
"Magic Number of IAP trafic (Always 0x8ffd)", HFILL}},
{ &hf_iap_type,
{ "Type (?)", "aruba_iap.type", FT_UINT8, BASE_DEC_HEX, NULL, 0x0,
"May type field...", HFILL}},
{ &hf_iap_ip,
{ "IP", "aruba_iap.ip", FT_IPv4, BASE_NONE, NULL, 0x0,
"Address IP of IAP", HFILL}},
{ &hf_iap_unknown_bytes,
{ "Unknown", "aruba_iap.unknown.bytes", FT_BYTES, BASE_NONE, NULL, 0x0,
"Unknown Data...", HFILL}},
{ &hf_iap_unknown_uint,
{ "Unknown", "aruba_iap.unknown.uint", FT_UINT32, BASE_DEC_HEX, NULL, 0x0,
"Unknown (UINT) Data...", HFILL}},
};
static gint *ett[] = {
&ett_aruba_iap,
};
proto_aruba_iap = proto_register_protocol("Aruba Instant AP Protocol",
"aruba_iap", "aruba_iap");
proto_register_field_array(proto_aruba_iap, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_aruba_iap(void)
{
dissector_handle_t iap_handle;
iap_handle = new_create_dissector_handle(dissect_aruba_iap, proto_aruba_iap);
dissector_add_uint("ethertype", ETHERTYPE_IAP, iap_handle);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
|
