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/* packet-x509ce.c
* Routines for X.509 Certificate Extensions 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 <epan/asn1.h>
#include <epan/oids.h>
#include "packet-ber.h"
#include "packet-x509ce.h"
#include "packet-x509af.h"
#include "packet-x509if.h"
#include "packet-x509sat.h"
#include "packet-p1.h"
#define PNAME "X.509 Certificate Extensions"
#define PSNAME "X509CE"
#define PFNAME "x509ce"
void proto_register_x509ce(void);
void proto_reg_handoff_x509ce(void);
/* Initialize the protocol and registered fields */
static int proto_x509ce = -1;
static int hf_x509ce_id_ce_invalidityDate = -1;
static int hf_x509ce_id_ce_baseUpdateTime = -1;
static int hf_x509ce_object_identifier_id = -1;
static int hf_x509ce_IPAddress_ipv4 = -1;
static int hf_x509ce_IPAddress_ipv6 = -1;
#include "packet-x509ce-hf.c"
/* Initialize the subtree pointers */
#include "packet-x509ce-ett.c"
#include "packet-x509ce-fn.c"
static const val64_string ciplus_scr_cap[] = {
{ 0, "DES" },
{ 1, "DES and AES" },
{ 0, NULL }
};
static const val64_string ciplus_security_level[] = {
{ 0, "Standard Security Level" },
{ 1, "ECP Security Level" },
{ 0, NULL }
};
/* CI+ (www.ci-plus.com) defines some X.509 certificate extensions
that use OIDs which are not officially assigned
dissection of these extensions can be enabled temporarily using the
functions below */
void
x509ce_enable_ciplus(void)
{
dissector_handle_t dh25, dh26, dh27, dh50;
dh25 = create_dissector_handle(dissect_ScramblerCapabilities_PDU, proto_x509ce);
dissector_change_string("ber.oid", "1.3.6.1.5.5.7.1.25", dh25);
dh26 = create_dissector_handle(dissect_CiplusInfo_PDU, proto_x509ce);
dissector_change_string("ber.oid", "1.3.6.1.5.5.7.1.26", dh26);
dh27 = create_dissector_handle(dissect_CicamBrandId_PDU, proto_x509ce);
dissector_change_string("ber.oid", "1.3.6.1.5.5.7.1.27", dh27);
dh50 = create_dissector_handle(dissect_SecurityLevel_PDU, proto_x509ce);
dissector_change_string("ber.oid", "1.3.6.1.5.5.7.1.50", dh50);
}
void
x509ce_disable_ciplus(void)
{
dissector_reset_string("ber.oid", "1.3.6.1.5.5.7.1.25");
dissector_reset_string("ber.oid", "1.3.6.1.5.5.7.1.26");
dissector_reset_string("ber.oid", "1.3.6.1.5.5.7.1.27");
dissector_reset_string("ber.oid", "1.3.6.1.5.5.7.1.50");
}
static int
dissect_x509ce_invalidityDate_callback(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
asn1_ctx_t asn1_ctx;
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
return dissect_x509ce_GeneralizedTime(FALSE, tvb, 0, &asn1_ctx, tree, hf_x509ce_id_ce_invalidityDate);
}
static int
dissect_x509ce_baseUpdateTime_callback(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
asn1_ctx_t asn1_ctx;
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
return dissect_x509ce_GeneralizedTime(FALSE, tvb, 0, &asn1_ctx, tree, hf_x509ce_id_ce_baseUpdateTime);
}
/*--- proto_register_x509ce ----------------------------------------------*/
void proto_register_x509ce(void) {
/* List of fields */
static hf_register_info hf[] = {
{ &hf_x509ce_id_ce_baseUpdateTime,
{ "baseUpdateTime", "x509ce.id_ce_baseUpdateTime",
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0,
NULL, HFILL }},
{ &hf_x509ce_id_ce_invalidityDate,
{ "invalidityDate", "x509ce.id_ce_invalidityDate",
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0,
NULL, HFILL }},
{ &hf_x509ce_object_identifier_id,
{ "Id", "x509ce.id", FT_OID, BASE_NONE, NULL, 0,
"Object identifier Id", HFILL }},
{ &hf_x509ce_IPAddress_ipv4,
{ "iPAddress", "x509ce.IPAddress.ipv4", FT_IPv4, BASE_NONE, NULL, 0,
"IPv4 address", HFILL }},
{ &hf_x509ce_IPAddress_ipv6,
{ "iPAddress", "x509ce.IPAddress.ipv6", FT_IPv6, BASE_NONE, NULL, 0,
"IPv6 address", HFILL }},
#include "packet-x509ce-hfarr.c"
};
/* List of subtrees */
static gint *ett[] = {
#include "packet-x509ce-ettarr.c"
};
/* Register protocol */
proto_x509ce = proto_register_protocol(PNAME, PSNAME, PFNAME);
/* Register fields and subtrees */
proto_register_field_array(proto_x509ce, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
/*--- proto_reg_handoff_x509ce -------------------------------------------*/
void proto_reg_handoff_x509ce(void) {
#include "packet-x509ce-dis-tab.c"
register_ber_oid_dissector("2.5.29.24", dissect_x509ce_invalidityDate_callback, proto_x509ce, "id-ce-invalidityDate");
register_ber_oid_dissector("2.5.29.51", dissect_x509ce_baseUpdateTime_callback, proto_x509ce, "id-ce-baseUpdateTime");
oid_add_from_string("anyPolicy","2.5.29.32.0");
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local Variables:
* c-basic-offset: 2
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=2 tabstop=8 expandtab:
* :indentSize=2:tabSize=8:noTabs=true:
*/
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