forked from osmocom/wireshark
Add COPS dissector (with a few fixes for compiling on Win32).
I put the header file info in packet-cops.c since no one else uses it. Fix the version number and plugin directory in config.h.win32. svn path=/trunk/; revision=2044
This commit is contained in:
parent
0de6781c3b
commit
d8944a80aa
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@ -1,7 +1,7 @@
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# Makefile.am
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# Automake file for Ethereal
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#
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# $Id: Makefile.am,v 1.202 2000/05/30 03:35:50 guy Exp $
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# $Id: Makefile.am,v 1.203 2000/06/07 22:57:43 gram Exp $
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#
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# Ethereal - Network traffic analyzer
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# By Gerald Combs <gerald@zing.org>
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@ -48,6 +48,7 @@ DISSECTOR_SOURCES = \
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packet-cgmp.c \
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packet-clip.c \
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packet-clnp.c \
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packet-cops.c \
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packet-data.c \
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packet-ddtp.c \
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packet-dns.c \
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@ -1,7 +1,7 @@
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## Makefile for building ethereal.exe with Microsoft C and nmake
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## Use: nmake -f makefile.nmake
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#
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# $Id: Makefile.nmake,v 1.40 2000/05/29 20:11:23 guy Exp $
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# $Id: Makefile.nmake,v 1.41 2000/06/07 22:57:44 gram Exp $
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include config.nmake
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@ -35,6 +35,7 @@ DISSECTOR_SOURCES = \
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packet-cgmp.c \
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packet-clip.c \
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packet-clnp.c \
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packet-cops.c \
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packet-data.c \
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packet-ddtp.c \
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packet-dns.c \
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@ -1,3 +1,5 @@
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/* $Id: config.h.win32,v 1.11 2000/06/07 22:57:44 gram Exp $ */
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/* config.h.win32 Generated manually. :-) */
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/* config.h. Generated automatically by configure. */
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/* config.h.in. Generated automatically from configure.in by autoheader. */
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@ -11,7 +13,10 @@
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/* #undef HAVE_SA_LEN */
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#define DATAFILE_DIR "/usr/local/etc"
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#define PLUGIN_DIR "/usr/local/lib/ethereal/plugins/0.8.5"
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#define PLUGIN_DIR "/usr/local/lib/ethereal/plugins/0.8.9"
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/* Version number of package */
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#define VERSION "0.8.9"
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/* #undef NEED_SNPRINTF_H */
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@ -59,9 +64,6 @@
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/* Name of package */
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#define PACKAGE "ethereal"
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/* Version number of package */
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#define VERSION "0.8.6"
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#ifndef WIN32
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#define WIN32 1
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#endif
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@ -0,0 +1,335 @@
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/* packet-cops.c
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* Routines for the COPS (Common Open Policy Service) protocol dissection
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* RFC2748
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*
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* Copyright 2000, Heikki Vatiainen <hessu@cs.tut.fi>
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*
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* $Id: packet-cops.c,v 1.1 2000/06/07 22:57:45 gram Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 1998 Gerald Combs
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <glib.h>
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#include "packet.h"
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#define TCP_PORT_COPS 3288
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#define COPS_OBJECT_HDR_SIZE 4
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static const value_string cops_flags_vals[] = {
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{ 0x00, "None" },
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{ 0x01, "Solicited Message Flag Bit" },
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{ 0, NULL },
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};
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/* The different COPS message types */
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enum cops_op_code {
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COPS_NO_MSG, /* Not a COPS Message type */
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COPS_MSG_REQ, /* Request (REQ) */
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COPS_MSG_DEC, /* Decision (DEC) */
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COPS_MSG_RPT, /* Report State (RPT) */
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COPS_MSG_DRQ, /* Delete Request State (DRQ) */
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COPS_MSG_SSQ, /* Synchronize State Req (SSQ) */
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COPS_MSG_OPN, /* Client-Open (OPN) */
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COPS_MSG_CAT, /* Client-Accept (CAT) */
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COPS_MSG_CC, /* Client-Close (CC) */
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COPS_MSG_KA, /* Keep-Alive (KA) */
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COPS_MSG_SSC, /* Synchronize Complete (SSC) */
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COPS_LAST_OP_CODE /* For error checking */
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};
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static const value_string cops_op_code_vals[] = {
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{ COPS_MSG_REQ, "Request (REQ)" },
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{ COPS_MSG_DEC, "Decision (DEC)" },
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{ COPS_MSG_RPT, "Report State (RPT)" },
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{ COPS_MSG_DRQ, "Delete Request State (DRQ)" },
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{ COPS_MSG_SSQ, "Synchronize State Req (SSQ)" },
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{ COPS_MSG_OPN, "Client-Open (OPN)" },
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{ COPS_MSG_CAT, "Client-Accept (CAT)" },
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{ COPS_MSG_CC, "Client-Close (CC)" },
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{ COPS_MSG_KA, "Keep-Alive (KA)" },
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{ COPS_MSG_SSC, "Synchronize Complete (SSC)" },
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{ 0, NULL },
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};
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/* The different objects in COPS messages */
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enum cops_c_num {
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COPS_NO_OBJECT, /* Not a COPS Object type */
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COPS_OBJ_HANDLE, /* Handle Object (Handle) */
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COPS_OBJ_CONTEXT, /* Context Object (Context) */
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COPS_OBJ_IN_INT, /* In-Interface Object (IN-Int) */
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COPS_OBJ_OUT_INT, /* Out-Interface Object (OUT-Int) */
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COPS_OBJ_REASON, /* Reason Object (Reason) */
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COPS_OBJ_DECISION, /* Decision Object (Decision) */
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COPS_OBJ_LPDPDECISION, /* LPDP Decision Object (LPDPDecision) */
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COPS_OBJ_ERROR, /* Error Object (Error) */
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COPS_OBJ_CLIENTSI, /* Client Specific Information Object (ClientSI) */
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COPS_OBJ_KATIMER, /* Keep-Alive Timer Object (KATimer) */
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COPS_OBJ_PEPID, /* PEP Identification Object (PEPID) */
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COPS_OBJ_REPORT_TYPE, /* Report-Type Object (Report-Type) */
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COPS_OBJ_PDPREDIRADDR, /* PDP Redirect Address Object (PDPRedirAddr) */
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COPS_OBJ_LASTPDPADDR, /* Last PDP Address (LastPDPaddr) */
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COPS_OBJ_ACCTTIMER, /* Accounting Timer Object (AcctTimer) */
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COPS_OBJ_INTEGRITY, /* Message Integrity Object (Integrity) */
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COPS_LAST_C_NUM /* For error checking */
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};
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static const value_string cops_c_num_vals[] = {
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{ COPS_OBJ_HANDLE, " Handle Object (Handle)" },
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{ COPS_OBJ_CONTEXT, " Context Object (Context)" },
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{ COPS_OBJ_IN_INT, " In-Interface Object (IN-Int)" },
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{ COPS_OBJ_OUT_INT, " Out-Interface Object (OUT-Int)" },
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{ COPS_OBJ_REASON, " Reason Object (Reason)" },
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{ COPS_OBJ_DECISION, " Decision Object (Decision)" },
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{ COPS_OBJ_LPDPDECISION, " LPDP Decision Object (LPDPDecision)" },
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{ COPS_OBJ_ERROR, " Error Object (Error)" },
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{ COPS_OBJ_CLIENTSI, " Client Specific Information Object (ClientSI)" },
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{ COPS_OBJ_KATIMER, " Keep-Alive Timer Object (KATimer)" },
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{ COPS_OBJ_PEPID, " PEP Identification Object (PEPID)" },
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{ COPS_OBJ_REPORT_TYPE, " Report-Type Object (Report-Type)" },
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{ COPS_OBJ_PDPREDIRADDR, " PDP Redirect Address Object (PDPRedirAddr)" },
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{ COPS_OBJ_LASTPDPADDR, " Last PDP Address (LastPDPaddr)" },
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{ COPS_OBJ_ACCTTIMER, " Accounting Timer Object (AcctTimer)" },
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{ COPS_OBJ_INTEGRITY, " Message Integrity Object (Integrity)" },
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{ 0, NULL },
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};
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/* Initialize the protocol and registered fields */
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static gint proto_cops = -1;
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static gint hf_cops_ver_flags = -1;
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static gint hf_cops_version = -1;
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static gint hf_cops_flags = -1;
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static gint hf_cops_op_code = -1;
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static gint hf_cops_client_type = -1;
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static gint hf_cops_msg_len = -1;
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static gint hf_cops_obj_len = -1;
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static gint hf_cops_obj_c_num = -1;
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static gint hf_cops_obj_c_type = -1;
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/* Initialize the subtree pointers */
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static gint ett_cops = -1;
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static gint ett_cops_ver_flags = -1;
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static gint ett_cops_obj = -1;
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static int dissect_cops_object(tvbuff_t *tvb, guint32 offset, proto_tree *tree);
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/* Code to actually dissect the packets */
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#if 0
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static void dissect_cops(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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guint8 op_code;
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#else
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static void dissect_cops(const u_char *pd, int o, frame_data *fd, proto_tree *tree)
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{
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tvbuff_t *tvb;
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packet_info *pinfo = π
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guint8 op_code;
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tvb = tvb_new_subset(pinfo->compat_top_tvb, o, -1, -1);
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#endif
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pinfo->current_proto = "COPS";
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if (check_col(pinfo->fd, COL_PROTOCOL))
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col_add_str(pinfo->fd, COL_PROTOCOL, "COPS");
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op_code = tvb_get_guint8(tvb, 1);
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if (check_col(pinfo->fd, COL_INFO))
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col_add_fstr(pinfo->fd, COL_INFO, "COPS %s",
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val_to_str(op_code, cops_op_code_vals, "Unknown Op Code"));
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if (tree) {
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proto_item *ti, *tv;
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proto_tree *cops_tree, *ver_flags_tree;
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guint32 offset, msg_len, carbage;
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guint8 ver_flags;
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offset = 0;
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ti = proto_tree_add_item(tree, proto_cops, tvb, offset, tvb_length(tvb), FALSE);
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cops_tree = proto_item_add_subtree(ti, ett_cops);
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/* Version and flags share the same byte, put them in a subtree */
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ver_flags = tvb_get_guint8(tvb, offset);
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tv = proto_tree_add_uint_format(cops_tree, hf_cops_ver_flags, tvb, offset, 1,
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ver_flags, "Version: %u, Flags: %s",
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hi_nibble(ver_flags),
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val_to_str(lo_nibble(ver_flags), cops_flags_vals, "Unknown"));
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ver_flags_tree = proto_item_add_subtree(tv, ett_cops_ver_flags);
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proto_tree_add_uint(ver_flags_tree, hf_cops_version, tvb, offset, 1, ver_flags);
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proto_tree_add_uint(ver_flags_tree, hf_cops_flags, tvb, offset, 1, ver_flags);
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offset++;
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proto_tree_add_uint(cops_tree, hf_cops_op_code, tvb, offset, 1, tvb_get_guint8(tvb, offset));
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offset ++;
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proto_tree_add_uint(cops_tree, hf_cops_client_type, tvb, offset, 2, tvb_get_ntohs(tvb, offset));
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offset += 2;
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msg_len = tvb_get_ntohl(tvb, offset);
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proto_tree_add_uint(cops_tree, hf_cops_msg_len, tvb, offset, 4, tvb_get_ntohl(tvb, offset));
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offset += 4;
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while (msg_len >= COPS_OBJECT_HDR_SIZE) {
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int consumed;
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consumed = dissect_cops_object(tvb, offset, cops_tree);
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if (consumed == 0)
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break;
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msg_len -= consumed;
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offset += consumed;
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}
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carbage = tvb_length_remaining(tvb, offset);
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if (carbage != 0)
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proto_tree_add_text(cops_tree, tvb, offset, carbage,
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"Trailing carbage: %u byte%s", carbage,
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plurality(carbage, "", "s"));
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}
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return;
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}
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static int dissect_cops_object(tvbuff_t *tvb, guint32 offset, proto_tree *tree)
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{
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guint16 object_len, contents_len;
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guint8 c_num, c_type;
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proto_item *ti;
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proto_tree *obj_tree;
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if (tvb_length_remaining(tvb, offset) < COPS_OBJECT_HDR_SIZE)
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return 0;
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object_len = tvb_get_ntohs(tvb, offset);
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c_num = tvb_get_guint8(tvb, offset + 2);
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c_type = tvb_get_guint8(tvb, offset + 3);
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ti = proto_tree_add_uint_format(tree, hf_cops_obj_c_num, tvb, offset, object_len, c_num,
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"Object Type: %s", val_to_str(c_num, cops_c_num_vals, "Unknown"));
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obj_tree = proto_item_add_subtree(ti, ett_cops_obj);
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proto_tree_add_uint(obj_tree, hf_cops_obj_len, tvb, offset, 2, tvb_get_ntohs(tvb, offset));
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offset += 2;
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proto_tree_add_uint(obj_tree, hf_cops_obj_c_num, tvb, offset, 1, tvb_get_guint8(tvb, offset));
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offset++;
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proto_tree_add_uint(obj_tree, hf_cops_obj_c_type, tvb, offset, 1, tvb_get_guint8(tvb, offset));
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offset++;
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contents_len = object_len - COPS_OBJECT_HDR_SIZE;
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proto_tree_add_text(obj_tree, tvb, offset, contents_len,
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"Object contents: %u bytes", contents_len);
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/* Pad to 32bit boundary */
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if (object_len % sizeof (guint32))
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object_len += (sizeof (guint32) - object_len % sizeof (guint32));
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return object_len;
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}
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/* Register the protocol with Ethereal */
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void proto_register_cops(void)
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{
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/* Setup list of header fields */
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static hf_register_info hf[] = {
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{ &hf_cops_ver_flags,
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{ "Version and Flags", "cops.ver_flags",
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FT_UINT8, BASE_HEX, NULL, 0x0,
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"Version and Flags in COPS Common Header" }
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},
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{ &hf_cops_version,
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{ "Version", "cops.version",
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FT_UINT8, BASE_DEC, NULL, 0xF0,
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"Version in COPS Common Header" }
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},
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{ &hf_cops_flags,
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{ "Flags", "cops.flags",
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FT_UINT8, BASE_HEX, VALS(cops_flags_vals), 0x0F,
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"Flags in COPS Common Header" }
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},
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{ &hf_cops_op_code,
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{ "Op Code", "cops.op_code",
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FT_UINT8, BASE_DEC, VALS(cops_op_code_vals), 0x0,
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"Op Code in COPS Common Header" }
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},
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{ &hf_cops_client_type,
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{ "Client Type", "cops.client_type",
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FT_UINT16, BASE_DEC, NULL, 0x0,
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"Client Type in COPS Common Header" }
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},
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{ &hf_cops_msg_len,
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{ "Message Length", "cops.msg_len",
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FT_UINT32, BASE_DEC, NULL, 0x0,
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"Message Length in COPS Common Header" }
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},
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{ &hf_cops_obj_len,
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{ "Object Length", "cops.obj.len",
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FT_UINT32, BASE_DEC, NULL, 0x0,
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"Object Length in COPS Object Header" }
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},
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{ &hf_cops_obj_c_num,
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{ "C-Num", "cops.obj.c_num",
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FT_UINT8, BASE_DEC, VALS(cops_c_num_vals), 0x0,
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"C-Num in COPS Object Header" }
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},
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{ &hf_cops_obj_c_type,
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{ "C-Type", "cops.obj.c_type",
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FT_UINT8, BASE_DEC, NULL, 0x0,
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"C-Type in COPS Object Header" }
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},
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};
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/* Setup protocol subtree array */
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static gint *ett[] = {
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&ett_cops,
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&ett_cops_ver_flags,
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&ett_cops_obj,
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};
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/* Register the protocol name and description */
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proto_cops = proto_register_protocol("Common Open Policy Service", "cops");
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/* Required function calls to register the header fields and subtrees used */
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proto_register_field_array(proto_cops, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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};
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void
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proto_reg_handoff_cops(void)
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{
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dissector_add("tcp.port", TCP_PORT_COPS, dissect_cops);
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}
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