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/* 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
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <wsutil/array.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);
static dissector_handle_t ocsp_request_handle;
static dissector_handle_t ocsp_response_handle;
/* Initialize the protocol and registered fields */
int proto_ocsp;
static int hf_ocsp_responseType_id;
#include "packet-ocsp-hf.c"
/* Initialize the subtree pointers */
static int ett_ocsp;
#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 int *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));
/* Register dissectors */
ocsp_request_handle = register_dissector(PFNAME "_req", dissect_ocsp_request, proto_ocsp);
ocsp_response_handle = register_dissector(PFNAME "_res", dissect_ocsp_response, proto_ocsp);
}
/*--- proto_reg_handoff_ocsp -------------------------------------------*/
void proto_reg_handoff_ocsp(void) {
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"
}
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