177 lines
5.6 KiB
C
177 lines
5.6 KiB
C
/* packet-x509ce.c
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* Routines for X.509 Certificate Extensions 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 <epan/asn1.h>
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#include <epan/oids.h>
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#include "packet-ber.h"
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#include "packet-x509ce.h"
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#include "packet-x509af.h"
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#include "packet-x509if.h"
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#include "packet-x509sat.h"
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#include "packet-p1.h"
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#define PNAME "X.509 Certificate Extensions"
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#define PSNAME "X509CE"
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#define PFNAME "x509ce"
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void proto_register_x509ce(void);
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void proto_reg_handoff_x509ce(void);
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/* Initialize the protocol and registered fields */
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static int proto_x509ce;
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static int hf_x509ce_id_ce_invalidityDate;
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static int hf_x509ce_id_ce_baseUpdateTime;
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static int hf_x509ce_object_identifier_id;
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static int hf_x509ce_IPAddress_ipv4;
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static int hf_x509ce_IPAddress_ipv4_mask;
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static int hf_x509ce_IPAddress_ipv6;
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static int hf_x509ce_IPAddress_ipv6_mask;
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static int hf_x509ce_IPAddress_unknown;
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#include "packet-x509ce-hf.c"
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/* Initialize the subtree pointers */
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#include "packet-x509ce-ett.c"
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#include "packet-x509ce-fn.c"
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static const val64_string ciplus_scr_cap[] = {
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{ 0, "DES" },
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{ 1, "DES and AES" },
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{ 0, NULL }
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};
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static const val64_string ciplus_security_level[] = {
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{ 0, "Standard Security Level" },
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{ 1, "ECP Security Level" },
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{ 0, NULL }
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};
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/* CI+ (www.ci-plus.com) defines some X.509 certificate extensions
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that use OIDs which are not officially assigned
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dissection of these extensions can be enabled temporarily using the
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functions below */
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void
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x509ce_enable_ciplus(void)
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{
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dissector_handle_t dh25, dh26, dh27, dh50;
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dh25 = create_dissector_handle(dissect_ScramblerCapabilities_PDU, proto_x509ce);
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dissector_change_string("ber.oid", "1.3.6.1.5.5.7.1.25", dh25);
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dh26 = create_dissector_handle(dissect_CiplusInfo_PDU, proto_x509ce);
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dissector_change_string("ber.oid", "1.3.6.1.5.5.7.1.26", dh26);
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dh27 = create_dissector_handle(dissect_CicamBrandId_PDU, proto_x509ce);
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dissector_change_string("ber.oid", "1.3.6.1.5.5.7.1.27", dh27);
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dh50 = create_dissector_handle(dissect_SecurityLevel_PDU, proto_x509ce);
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dissector_change_string("ber.oid", "1.3.6.1.5.5.7.1.50", dh50);
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}
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void
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x509ce_disable_ciplus(void)
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{
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dissector_reset_string("ber.oid", "1.3.6.1.5.5.7.1.25");
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dissector_reset_string("ber.oid", "1.3.6.1.5.5.7.1.26");
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dissector_reset_string("ber.oid", "1.3.6.1.5.5.7.1.27");
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dissector_reset_string("ber.oid", "1.3.6.1.5.5.7.1.50");
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}
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static int
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dissect_x509ce_invalidityDate_callback(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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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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return dissect_x509ce_GeneralizedTime(FALSE, tvb, 0, &asn1_ctx, tree, hf_x509ce_id_ce_invalidityDate);
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}
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static int
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dissect_x509ce_baseUpdateTime_callback(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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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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return dissect_x509ce_GeneralizedTime(FALSE, tvb, 0, &asn1_ctx, tree, hf_x509ce_id_ce_baseUpdateTime);
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}
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/*--- proto_register_x509ce ----------------------------------------------*/
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void proto_register_x509ce(void) {
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/* List of fields */
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static hf_register_info hf[] = {
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{ &hf_x509ce_id_ce_baseUpdateTime,
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{ "baseUpdateTime", "x509ce.id_ce_baseUpdateTime",
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FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0,
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NULL, HFILL }},
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{ &hf_x509ce_id_ce_invalidityDate,
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{ "invalidityDate", "x509ce.id_ce_invalidityDate",
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FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0,
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NULL, HFILL }},
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{ &hf_x509ce_object_identifier_id,
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{ "Id", "x509ce.id", FT_OID, BASE_NONE, NULL, 0,
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"Object identifier Id", HFILL }},
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{ &hf_x509ce_IPAddress_ipv4,
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{ "iPAddress", "x509ce.IPAddress.ipv4", FT_IPv4, BASE_NONE, NULL, 0,
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"IPv4 address", HFILL }},
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{ &hf_x509ce_IPAddress_ipv4_mask,
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{ "iPAddress Mask", "x509ce.IPAddress.ipv4_mask", FT_IPv4, BASE_NONE, NULL, 0,
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"IPv4 address Mask", HFILL }},
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{ &hf_x509ce_IPAddress_ipv6,
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{ "iPAddress", "x509ce.IPAddress.ipv6", FT_IPv6, BASE_NONE, NULL, 0,
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"IPv6 address", HFILL }},
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{ &hf_x509ce_IPAddress_ipv6_mask,
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{ "iPAddress Mask", "x509ce.IPAddress.ipv6_mask", FT_IPv6, BASE_NONE, NULL, 0,
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"IPv6 address Mask", HFILL }},
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{ &hf_x509ce_IPAddress_unknown,
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{ "iPAddress", "x509ce.IPAddress.unknown", FT_BYTES, BASE_NONE, NULL, 0,
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"Unknown Address", HFILL }},
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#include "packet-x509ce-hfarr.c"
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};
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/* List of subtrees */
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static gint *ett[] = {
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#include "packet-x509ce-ettarr.c"
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};
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/* Register protocol */
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proto_x509ce = proto_register_protocol(PNAME, PSNAME, PFNAME);
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/* Register fields and subtrees */
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proto_register_field_array(proto_x509ce, 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_x509ce -------------------------------------------*/
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void proto_reg_handoff_x509ce(void) {
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#include "packet-x509ce-dis-tab.c"
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register_ber_oid_dissector("2.5.29.24", dissect_x509ce_invalidityDate_callback, proto_x509ce, "id-ce-invalidityDate");
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register_ber_oid_dissector("2.5.29.51", dissect_x509ce_baseUpdateTime_callback, proto_x509ce, "id-ce-baseUpdateTime");
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oid_add_from_string("anyPolicy","2.5.29.32.0");
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}
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/*
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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*
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* Local Variables:
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* c-basic-offset: 2
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=2 tabstop=8 expandtab:
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* :indentSize=2:tabSize=8:noTabs=true:
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*/
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