128 lines
3.3 KiB
C
128 lines
3.3 KiB
C
/* packet-ocsp.c
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* Routines for Online Certificate Status Protocol (RFC2560) packet dissection
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* Ronnie Sahlberg 2004
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <asn1.h>
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#include "packet-ber.h"
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#include "packet-ocsp.h"
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#include "packet-x509af.h"
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#include "packet-x509ce.h"
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#include "packet-pkix1implicit.h"
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#include "packet-pkix1explicit.h"
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#define PNAME "Online Certificate Status Protocol"
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#define PSNAME "OCSP"
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#define PFNAME "ocsp"
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void proto_register_ocsp(void);
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void proto_reg_handoff_ocsp(void);
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/* Initialize the protocol and registered fields */
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int proto_ocsp = -1;
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static int hf_ocsp_responseType_id = -1;
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#include "packet-ocsp-hf.c"
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/* Initialize the subtree pointers */
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static gint ett_ocsp = -1;
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#include "packet-ocsp-ett.c"
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#include "packet-ocsp-fn.c"
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static int
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dissect_ocsp_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void *data _U_)
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{
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proto_item *item=NULL;
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proto_tree *tree=NULL;
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asn1_ctx_t asn1_ctx;
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asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "OCSP");
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col_set_str(pinfo->cinfo, COL_INFO, "Request");
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if(parent_tree){
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item=proto_tree_add_item(parent_tree, proto_ocsp, tvb, 0, -1, ENC_NA);
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tree = proto_item_add_subtree(item, ett_ocsp);
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}
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return dissect_ocsp_OCSPRequest(FALSE, tvb, 0, &asn1_ctx, tree, -1);
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}
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static int
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dissect_ocsp_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void *data _U_)
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{
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proto_item *item=NULL;
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proto_tree *tree=NULL;
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asn1_ctx_t asn1_ctx;
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asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "OCSP");
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col_set_str(pinfo->cinfo, COL_INFO, "Response");
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if(parent_tree){
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item=proto_tree_add_item(parent_tree, proto_ocsp, tvb, 0, -1, ENC_NA);
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tree = proto_item_add_subtree(item, ett_ocsp);
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}
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return dissect_ocsp_OCSPResponse(FALSE, tvb, 0, &asn1_ctx, tree, -1);
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}
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/*--- proto_register_ocsp ----------------------------------------------*/
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void proto_register_ocsp(void) {
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/* List of fields */
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static hf_register_info hf[] = {
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{ &hf_ocsp_responseType_id,
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{ "ResponseType Id", "ocsp.responseType.id",
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FT_STRING, BASE_NONE, NULL, 0,
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NULL, HFILL }},
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#include "packet-ocsp-hfarr.c"
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};
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/* List of subtrees */
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static gint *ett[] = {
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&ett_ocsp,
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#include "packet-ocsp-ettarr.c"
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};
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/* Register protocol */
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proto_ocsp = proto_register_protocol(PNAME, PSNAME, PFNAME);
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/* Register fields and subtrees */
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proto_register_field_array(proto_ocsp, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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/*--- proto_reg_handoff_ocsp -------------------------------------------*/
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void proto_reg_handoff_ocsp(void) {
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dissector_handle_t ocsp_request_handle;
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dissector_handle_t ocsp_response_handle;
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ocsp_request_handle = create_dissector_handle(dissect_ocsp_request, proto_ocsp);
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ocsp_response_handle = create_dissector_handle(dissect_ocsp_response, proto_ocsp);
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dissector_add_string("media_type", "application/ocsp-request", ocsp_request_handle);
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dissector_add_string("media_type", "application/ocsp-response", ocsp_response_handle);
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#include "packet-ocsp-dis-tab.c"
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}
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