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/* packet-dap.c
* Routines for X.511 (X.500 Directory Asbtract Service) and X.519 DAP packet dissection
* Graeme Lunt 2005
*
* 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 <epan/prefs.h>
#include <epan/expert.h>
#include <epan/oids.h>
#include <epan/asn1.h>
#include "packet-ber.h"
#include "packet-acse.h"
#include "packet-ros.h"
#include "packet-idmp.h"
#include "packet-x509if.h"
#include "packet-x509af.h"
#include "packet-x509sat.h"
#include "packet-crmf.h"
#include "packet-dsp.h"
#include "packet-disp.h"
#include "packet-dap.h"
#include <epan/strutil.h>
/* we don't have a separate dissector for X519 -
most of DAP is defined in X511 */
#define PNAME "X.519 Directory Access Protocol"
#define PSNAME "DAP"
#define PFNAME "dap"
void proto_register_dap(void);
void proto_reg_handoff_dap(void);
static guint global_dap_tcp_port = 102;
static dissector_handle_t tpkt_handle;
static void prefs_register_dap(void); /* forward declaration for use in preferences registration */
/* Initialize the protocol and registered fields */
static int proto_dap = -1;
#include "packet-dap-hf.c"
/* Initialize the subtree pointers */
static gint ett_dap = -1;
#include "packet-dap-ett.c"
static expert_field ei_dap_anonymous = EI_INIT;
#include "packet-dap-val.h"
#include "packet-dap-table.c" /* operation and error codes */
#include "packet-dap-fn.c"
#include "packet-dap-table11.c" /* operation argument/result dissectors */
#include "packet-dap-table21.c" /* error dissector */
static const ros_info_t dap_ros_info = {
"DAP",
&proto_dap,
&ett_dap,
dap_opr_code_string_vals,
dap_opr_tab,
dap_err_code_string_vals,
dap_err_tab
};
/*--- proto_register_dap -------------------------------------------*/
void proto_register_dap(void) {
/* List of fields */
static hf_register_info hf[] =
{
#include "packet-dap-hfarr.c"
};
/* List of subtrees */
static gint *ett[] = {
&ett_dap,
#include "packet-dap-ettarr.c"
};
static ei_register_info ei[] = {
{ &ei_dap_anonymous, { "dap.anonymous", PI_PROTOCOL, PI_NOTE, "Anonymous", EXPFILL }},
};
module_t *dap_module;
expert_module_t* expert_dap;
/* Register protocol */
proto_dap = proto_register_protocol(PNAME, PSNAME, PFNAME);
/* Register fields and subtrees */
proto_register_field_array(proto_dap, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_dap = expert_register_protocol(proto_dap);
expert_register_field_array(expert_dap, ei, array_length(ei));
/* Register our configuration options for DAP, particularly our port */
dap_module = prefs_register_protocol_subtree("OSI/X.500", proto_dap, prefs_register_dap);
prefs_register_uint_preference(dap_module, "tcp.port", "DAP TCP Port",
"Set the port for DAP operations (if other"
" than the default of 102)",
10, &global_dap_tcp_port);
}
/*--- proto_reg_handoff_dap --- */
void proto_reg_handoff_dap(void) {
/* #include "packet-dap-dis-tab.c" */
/* APPLICATION CONTEXT */
oid_add_from_string("id-ac-directory-access","2.5.3.1");
/* ABSTRACT SYNTAXES */
/* Register DAP with ROS (with no use of RTSE) */
register_ros_protocol_info("2.5.9.1", &dap_ros_info, 0, "id-as-directory-access", FALSE);
register_idmp_protocol_info("2.5.33.0", &dap_ros_info, 0, "dap-ip");
/* remember the tpkt handler for change in preferences */
tpkt_handle = find_dissector("tpkt");
/* AttributeValueAssertions */
x509if_register_fmt(hf_dap_equality, "=");
x509if_register_fmt(hf_dap_greaterOrEqual, ">=");
x509if_register_fmt(hf_dap_lessOrEqual, "<=");
x509if_register_fmt(hf_dap_approximateMatch, "=~");
/* AttributeTypes */
x509if_register_fmt(hf_dap_present, "= *");
}
static void
prefs_register_dap(void)
{
static guint tcp_port = 0;
/* de-register the old port */
/* port 102 is registered by TPKT - don't undo this! */
if((tcp_port > 0) && (tcp_port != 102) && tpkt_handle)
dissector_delete_uint("tcp.port", tcp_port, tpkt_handle);
/* Set our port number for future use */
tcp_port = global_dap_tcp_port;
if((tcp_port > 0) && (tcp_port != 102) && tpkt_handle)
dissector_add_uint("tcp.port", global_dap_tcp_port, tpkt_handle);
}
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