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
|
/* packet-cms.c
* Routines for RFC2630 Cryptographic Message Syntax packet dissection
*
* $Id: packet-cms-template.c,v 1.2 2004/05/25 21:07:43 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
#include <glib.h>
#include <epan/packet.h>
#include <epan/conversation.h>
#include <stdio.h>
#include <string.h>
#include "packet-ber.h"
#include "packet-cms.h"
#include "packet-x509af.h"
#include "packet-x509if.h"
#define PNAME "Cryptographic Message Syntax"
#define PSNAME "CMS"
#define PFNAME "cms"
/* Initialize the protocol and registered fields */
int proto_cms = -1;
static int hf_cms_keyAttr_id = -1;
#include "packet-cms-hf.c"
/* Initialize the subtree pointers */
#include "packet-cms-ett.c"
static int dissect_cms_OtherKeyAttribute(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index);
#include "packet-cms-fn.c"
static char keyAttr_id[64]; /*64 chars should be long enough? */
static int
dissect_keyAttrId(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset)
{
offset = dissect_ber_object_identifier(FALSE, pinfo, tree, tvb, offset,
hf_cms_keyAttr_id, keyAttr_id);
return offset;
}
static int
dissect_keyAttr_type(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset)
{
offset=call_ber_oid_callback(keyAttr_id, tvb, offset, pinfo, tree);
return offset;
}
static ber_sequence OtherKeyAttribute_sequence[] = {
{ BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_keyAttrId },
{ BER_CLASS_ANY, 0, 0, dissect_keyAttr_type },
{ 0, 0, 0, NULL }
};
static int
dissect_cms_OtherKeyAttribute(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index) {
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
OtherKeyAttribute_sequence, hf_index, ett_cms_OtherKeyAttribute);
return offset;
}
static void
dissect_cms_SignedData_callback(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
dissect_cms_SignedData(FALSE, tvb, 0, pinfo, tree, -1);
}
static void
dissect_cms_EnvelopedData_callback(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
dissect_cms_EnvelopedData(FALSE, tvb, 0, pinfo, tree, -1);
}
static void
dissect_cms_DigestedData_callback(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
dissect_cms_DigestedData(FALSE, tvb, 0, pinfo, tree, -1);
}
static void
dissect_cms_EncryptedData_callback(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
dissect_cms_EncryptedData(FALSE, tvb, 0, pinfo, tree, -1);
}
static void
dissect_cms_AuthenticatedData_callback(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
dissect_cms_AuthenticatedData(FALSE, tvb, 0, pinfo, tree, -1);
}
/*--- proto_register_cms ----------------------------------------------*/
void proto_register_cms(void) {
/* List of fields */
static hf_register_info hf[] = {
{ &hf_cms_keyAttr_id,
{ "keyAttr_id", "cms.keyAttr_id",
FT_STRING, BASE_NONE, NULL, 0,
"keyAttr_id", HFILL }},
#include "packet-cms-hfarr.c"
};
/* List of subtrees */
static gint *ett[] = {
#include "packet-cms-ettarr.c"
};
/* Register protocol */
proto_cms = proto_register_protocol(PNAME, PSNAME, PFNAME);
/* Register fields and subtrees */
proto_register_field_array(proto_cms, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
/*--- proto_reg_handoff_cms -------------------------------------------*/
void proto_reg_handoff_cms(void) {
register_ber_oid_dissector("1.2.840.113549.1.7.2", dissect_cms_SignedData_callback, proto_cms, "id-signedData");
register_ber_oid_dissector("1.2.840.113549.1.7.3", dissect_cms_EnvelopedData_callback, proto_cms, "id-envelopedData");
register_ber_oid_dissector("1.2.840.113549.1.7.5", dissect_cms_DigestedData_callback, proto_cms, "id-digestedData");
register_ber_oid_dissector("1.2.840.113549.1.7.6", dissect_cms_EncryptedData_callback, proto_cms, "id-encryptedData");
register_ber_oid_dissector("1.2.840.113549.1.9.16.1.2", dissect_cms_AuthenticatedData_callback, proto_cms, "id-ct-authenticatedData");
}
|
