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
|
/* packet-ocsp.c
* Routines for Online Certificate Status Protocol (RFC2560) packet dissection
* Ronnie Sahlberg 2004
*
* 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.
*/
#include "config.h"
#include <epan/packet.h>
#include <asn1.h>
#include "packet-ber.h"
#include "packet-ocsp.h"
#include "packet-x509af.h"
#include "packet-x509ce.h"
#include "packet-pkix1implicit.h"
#include "packet-pkix1explicit.h"
#define PNAME "Online Certificate Status Protocol"
#define PSNAME "OCSP"
#define PFNAME "ocsp"
void proto_register_ocsp(void);
void proto_reg_handoff_ocsp(void);
/* Initialize the protocol and registered fields */
int proto_ocsp = -1;
static int hf_ocsp_responseType_id = -1;
#include "packet-ocsp-hf.c"
/* Initialize the subtree pointers */
static gint ett_ocsp = -1;
#include "packet-ocsp-ett.c"
#include "packet-ocsp-fn.c"
static int
dissect_ocsp_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void *data _U_)
{
proto_item *item=NULL;
proto_tree *tree=NULL;
asn1_ctx_t asn1_ctx;
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
col_set_str(pinfo->cinfo, COL_PROTOCOL, "OCSP");
col_set_str(pinfo->cinfo, COL_INFO, "Request");
if(parent_tree){
item=proto_tree_add_item(parent_tree, proto_ocsp, tvb, 0, -1, ENC_NA);
tree = proto_item_add_subtree(item, ett_ocsp);
}
return dissect_ocsp_OCSPRequest(FALSE, tvb, 0, &asn1_ctx, tree, -1);
}
static int
dissect_ocsp_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void *data _U_)
{
proto_item *item=NULL;
proto_tree *tree=NULL;
asn1_ctx_t asn1_ctx;
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
col_set_str(pinfo->cinfo, COL_PROTOCOL, "OCSP");
col_set_str(pinfo->cinfo, COL_INFO, "Response");
if(parent_tree){
item=proto_tree_add_item(parent_tree, proto_ocsp, tvb, 0, -1, ENC_NA);
tree = proto_item_add_subtree(item, ett_ocsp);
}
return dissect_ocsp_OCSPResponse(FALSE, tvb, 0, &asn1_ctx, tree, -1);
}
/*--- proto_register_ocsp ----------------------------------------------*/
void proto_register_ocsp(void) {
/* List of fields */
static hf_register_info hf[] = {
{ &hf_ocsp_responseType_id,
{ "ResponseType Id", "ocsp.responseType.id",
FT_STRING, BASE_NONE, NULL, 0,
NULL, HFILL }},
#include "packet-ocsp-hfarr.c"
};
/* List of subtrees */
static gint *ett[] = {
&ett_ocsp,
#include "packet-ocsp-ettarr.c"
};
/* Register protocol */
proto_ocsp = proto_register_protocol(PNAME, PSNAME, PFNAME);
/* Register fields and subtrees */
proto_register_field_array(proto_ocsp, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
/*--- proto_reg_handoff_ocsp -------------------------------------------*/
void proto_reg_handoff_ocsp(void) {
dissector_handle_t ocsp_request_handle;
dissector_handle_t ocsp_response_handle;
ocsp_request_handle = new_create_dissector_handle(dissect_ocsp_request, proto_ocsp);
ocsp_response_handle = new_create_dissector_handle(dissect_ocsp_response, proto_ocsp);
dissector_add_string("media_type", "application/ocsp-request", ocsp_request_handle);
dissector_add_string("media_type", "application/ocsp-response", ocsp_response_handle);
#include "packet-ocsp-dis-tab.c"
}
|
