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
|
/* packet-ftam_asn1.c
* Routine to dissect OSI ISO 8571 FTAM Protocol packets
* based on the ASN.1 specification from http://www.itu.int/ITU-T/asn1/database/iso/8571-4/1988/
*
* also based on original handwritten dissector by
* Yuriy Sidelnikov <YSidelnikov@hotmail.com>
*
* Anders Broman and Ronnie Sahlberg 2005 - 2006
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/expert.h>
#include <epan/oids.h>
#include <epan/asn1.h>
#include <wsutil/array.h>
#include "packet-ber.h"
#include "packet-acse.h"
#include "packet-ftam.h"
#define PNAME "ISO 8571 FTAM"
#define PSNAME "FTAM"
#define PFNAME "ftam"
void proto_register_ftam(void);
void proto_reg_handoff_ftam(void);
/* Initialize the protocol and registered fields */
static int proto_ftam;
/* Declare the function to avoid a compiler warning */
static int dissect_ftam_OR_Set(bool implicit_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_);
static int hf_ftam_unstructured_text; /* ISO FTAM unstructured text */
static int hf_ftam_unstructured_binary; /* ISO FTAM unstructured binary */
#include "packet-ftam-hf.c"
/* Initialize the subtree pointers */
static int ett_ftam;
#include "packet-ftam-ett.c"
static expert_field ei_ftam_zero_pdu;
#include "packet-ftam-fn.c"
/*
* Dissect FTAM unstructured text
*/
static int
dissect_ftam_unstructured_text(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, void* data _U_)
{
proto_tree_add_item (parent_tree, hf_ftam_unstructured_text, tvb, 0, tvb_reported_length_remaining(tvb, 0), ENC_ASCII);
return tvb_captured_length(tvb);
}
/*
* Dissect FTAM unstructured binary
*/
static int
dissect_ftam_unstructured_binary(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, void* data _U_)
{
proto_tree_add_item (parent_tree, hf_ftam_unstructured_binary, tvb, 0, tvb_reported_length_remaining(tvb, 0), ENC_NA);
return tvb_captured_length(tvb);
}
/*
* Dissect FTAM PDUs inside a PPDU.
*/
static int
dissect_ftam(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void* data _U_)
{
int offset = 0;
int old_offset;
proto_item *item=NULL;
proto_tree *tree=NULL;
asn1_ctx_t asn1_ctx;
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, true, pinfo);
if(parent_tree){
item = proto_tree_add_item(parent_tree, proto_ftam, tvb, 0, -1, ENC_NA);
tree = proto_item_add_subtree(item, ett_ftam);
}
col_set_str(pinfo->cinfo, COL_PROTOCOL, "FTAM");
col_clear(pinfo->cinfo, COL_INFO);
while (tvb_reported_length_remaining(tvb, offset) > 0){
old_offset=offset;
offset=dissect_ftam_PDU(false, tvb, offset, &asn1_ctx, tree, -1);
if(offset == old_offset){
proto_tree_add_expert(tree, pinfo, &ei_ftam_zero_pdu, tvb, offset, -1);
break;
}
}
return tvb_captured_length(tvb);
}
/*--- proto_register_ftam -------------------------------------------*/
void proto_register_ftam(void) {
/* List of fields */
static hf_register_info hf[] =
{
{ &hf_ftam_unstructured_text,
{ "ISO FTAM unstructured text", "ftam.unstructured_text", FT_STRING,
BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_ftam_unstructured_binary,
{ "ISO FTAM unstructured binary", "ftam.unstructured_binary", FT_BYTES,
BASE_NONE, NULL, 0x0, NULL, HFILL } },
#include "packet-ftam-hfarr.c"
};
/* List of subtrees */
static int *ett[] = {
&ett_ftam,
#include "packet-ftam-ettarr.c"
};
static ei_register_info ei[] = {
{ &ei_ftam_zero_pdu, { "ftam.zero_pdu", PI_PROTOCOL, PI_ERROR, "Internal error, zero-byte FTAM PDU", EXPFILL }},
};
expert_module_t* expert_ftam;
/* Register protocol */
proto_ftam = proto_register_protocol(PNAME, PSNAME, PFNAME);
register_dissector("ftam", dissect_ftam, proto_ftam);
/* Register fields and subtrees */
proto_register_field_array(proto_ftam, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_ftam = expert_register_protocol(proto_ftam);
expert_register_field_array(expert_ftam, ei, array_length(ei));
}
/*--- proto_reg_handoff_ftam --- */
void proto_reg_handoff_ftam(void) {
register_ber_oid_dissector("1.0.8571.1.1", dissect_ftam, proto_ftam,"iso-ftam(1)");
register_ber_oid_dissector("1.0.8571.2.1", dissect_ftam, proto_ftam,"ftam-pci(1)");
register_ber_oid_dissector("1.3.14.5.2.2", dissect_ftam, proto_ftam,"NIST file directory entry abstract syntax");
/* Unstructured text file document type FTAM-1 */
register_ber_oid_dissector("1.0.8571.5.1", dissect_ftam_unstructured_text, proto_ftam,"ISO FTAM unstructured text");
oid_add_from_string("ISO FTAM sequential text","1.0.8571.5.2");
oid_add_from_string("FTAM unstructured text abstract syntax","1.0.8571.2.3");
oid_add_from_string("FTAM simple-hierarchy","1.0.8571.2.5");
oid_add_from_string("FTAM hierarchical file model","1.0.8571.3.1");
oid_add_from_string("FTAM unstructured constraint set","1.0.8571.4.1");
/* Unstructured binary file document type FTAM-3 */
register_ber_oid_dissector("1.0.8571.5.3", dissect_ftam_unstructured_binary, proto_ftam,"ISO FTAM unstructured binary");
oid_add_from_string("FTAM unstructured binary abstract syntax","1.0.8571.2.4");
/* Filedirectory file document type NBS-9 */
oid_add_from_string("NBS-9 FTAM file directory file","1.3.14.5.5.9");
/* Filedirectory file document type NBS-9 (WITH OLD NIST OIDs)*/
oid_add_from_string("NBS-9-OLD FTAM file directory file","1.3.9999.1.5.9");
oid_add_from_string("NIST file directory entry abstract syntax","1.3.9999.1.2.2");
}
|
