/* packet-dcerpc-reg.c
 * Routines for SMB \PIPE\winreg packet disassembly
 * Copyright 2001-2003 Tim Potter <tpot@samba.org>
 *
 * $Id: packet-dcerpc-reg.c 11592 2004-08-03 02:28:49Z guy $
 *
 * Ethereal - Network traffic analyzer
 * By Gerald Combs <gerald@ethereal.com>
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <glib.h>
#include <epan/packet.h>
#include "packet-dcerpc.h"
#include "packet-dcerpc-nt.h"
#include "packet-dcerpc-reg.h"
#include "packet-windows-common.h"

/* Global hf index fields */

static int hf_rc = -1;
static int hf_hnd = -1;
static int hf_access_mask = -1;
static int hf_keytype = -1;
static int hf_keydata = -1;
static int hf_offered = -1;
static int hf_returned = -1;
static int hf_reserved = -1;
static int hf_unknown = -1;

/* OpenHKLM */

static int hf_openhklm_unknown1 = -1;
static int hf_openhklm_unknown2 = -1;

/* QueryInfoKey */

static int hf_querykey_class = -1;
static int hf_querykey_num_subkeys = -1;
static int hf_querykey_max_subkey_len = -1;
static int hf_querykey_reserved = -1;
static int hf_querykey_num_values = -1;
static int hf_querykey_max_valname_len = -1;
static int hf_querykey_max_valbuf_size = -1;
static int hf_querykey_secdesc = -1;
static int hf_querykey_modtime = -1;

/* OpenKey */

static int hf_keyname = -1;
static int hf_openkey_unknown1 = -1;

/* GetVersion */

static int hf_getversion_version = -1;

/* Shutdown */
static int hf_shutdown_message = -1;
static int hf_shutdown_seconds = -1;
static int hf_shutdown_force = -1;
static int hf_shutdown_reboot = -1;
static int hf_shutdown_server = -1;
static int hf_shutdown_reason = -1;

/* Data that is passed to a open call */

static int
dissect_open_data(tvbuff_t *tvb, int offset, packet_info *pinfo,
		  proto_tree *tree, guint8 *drep)
{
	offset = dissect_ndr_uint16(
		tvb, offset, pinfo, tree, drep,
		hf_openhklm_unknown1, NULL);

	offset = dissect_ndr_uint16(
		tvb, offset, pinfo, tree, drep,
		hf_openhklm_unknown1, NULL);

	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep,
		hf_access_mask, NULL);

	return offset;
}

/*
 * OpenHKLM
 */

static int
RegOpenHKLM_q(tvbuff_t *tvb, int offset, packet_info *pinfo,
	      proto_tree *tree, guint8 *drep)
{
	/* Parse packet */

	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_open_data,
		NDR_POINTER_UNIQUE, "Unknown", -1);

	return offset;
}

static int
RegOpenHKLM_r(tvbuff_t *tvb, int offset, packet_info *pinfo,
	      proto_tree *tree, guint8 *drep)
{
	e_ctx_hnd policy_hnd;
	proto_item *hnd_item;
	guint32 status;

	/* Parse packet */

	offset = dissect_nt_policy_hnd(
		tvb, offset, pinfo, tree, drep,
		hf_hnd, &policy_hnd, &hnd_item, TRUE, FALSE);

	offset = dissect_ntstatus(tvb, offset, pinfo, tree, drep,
				  hf_rc, &status);

	if (status == 0) {
		dcerpc_smb_store_pol_name(&policy_hnd, pinfo, "HKLM handle");
		if (hnd_item != NULL)
			proto_item_append_text(hnd_item, ": HKLM handle");
	}

	return offset;
}

/*
 * OpenHKU
 */

static int
RegOpenHKU_q(tvbuff_t *tvb, int offset, packet_info *pinfo,
	     proto_tree *tree, guint8 *drep)
{
	/* Parse packet */

	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_open_data,
		NDR_POINTER_UNIQUE, "Unknown", -1);

	return offset;
}

static int
RegOpenHKU_r(tvbuff_t *tvb, int offset, packet_info *pinfo,
	     proto_tree *tree, guint8 *drep)
{
	e_ctx_hnd policy_hnd;
	proto_item *hnd_item;
	guint32 status;

	/* Parse packet */

	offset = dissect_nt_policy_hnd(
		tvb, offset, pinfo, tree, drep,
		hf_hnd, &policy_hnd, &hnd_item, TRUE, FALSE);

	offset = dissect_ntstatus(
		tvb, offset, pinfo, tree, drep, hf_rc, &status);

	if (status == 0) {
		dcerpc_smb_store_pol_name(&policy_hnd, pinfo, "HKU handle");
		if (hnd_item != NULL)
			proto_item_append_text(hnd_item, ": HKU handle");
	}

	return offset;
}

/*
 * OpenHKCR
 */

static int
RegOpenHKCR_q(tvbuff_t *tvb, int offset, packet_info *pinfo,
	      proto_tree *tree, guint8 *drep)
{
	/* Parse packet */

	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_open_data,
		NDR_POINTER_UNIQUE, "Unknown", -1);

	return offset;
}

static int
RegOpenHKCR_r(tvbuff_t *tvb, int offset, packet_info *pinfo,
	      proto_tree *tree, guint8 *drep)
{
	e_ctx_hnd policy_hnd;
	proto_item *hnd_item;
	guint32 status;

	/* Parse packet */

	offset = dissect_nt_policy_hnd(
		tvb, offset, pinfo, tree, drep,
		hf_hnd, &policy_hnd, &hnd_item, TRUE, FALSE);

	offset = dissect_ntstatus(
		tvb, offset, pinfo, tree, drep, hf_rc, &status);

	if (status == 0) {
		dcerpc_smb_store_pol_name(&policy_hnd, pinfo, "HKCR handle");
		if (hnd_item != NULL)
			proto_item_append_text(hnd_item, ": HKCR handle");
	}

	return offset;
}

/*
 * CloseKey
 */

static int
RegCloseKey_q(tvbuff_t *tvb, int offset, packet_info *pinfo,
	   proto_tree *tree, guint8 *drep)
{
	/* Parse packet */

	offset = dissect_nt_policy_hnd(
		tvb, offset, pinfo, tree, drep,
		hf_hnd, NULL, NULL, FALSE, TRUE);

	return offset;
}

static int
RegCloseKey_r(tvbuff_t *tvb, int offset, packet_info *pinfo,
	   proto_tree *tree, guint8 *drep)
{
	/* Parse packet */

	offset = dissect_nt_policy_hnd(
		tvb, offset, pinfo, tree, drep,
		hf_hnd, NULL, NULL, FALSE, FALSE);

	offset = dissect_ntstatus(
		tvb, offset, pinfo, tree, drep, hf_rc, NULL);

	return offset;
}

/*
 * QueryInfoKey
 */

static int
RegQueryInfoKey_q(tvbuff_t *tvb, int offset, packet_info *pinfo,
	      proto_tree *tree, guint8 *drep)
{
	/* Parse packet */

	offset = dissect_nt_policy_hnd(
		tvb, offset, pinfo, tree, drep,
		hf_hnd, NULL, NULL, FALSE, FALSE);

	offset = dissect_ndr_counted_string(
		tvb, offset, pinfo, tree, drep, hf_querykey_class, 0);

	return offset;
}

static int
RegQueryInfoKey_r(tvbuff_t *tvb, int offset, packet_info *pinfo,
	      proto_tree *tree, guint8 *drep)
{
	/* Parse packet */

	offset = dissect_ndr_counted_string(
		tvb, offset, pinfo, tree, drep, hf_querykey_class, 0);

	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep,
		hf_querykey_num_subkeys, NULL);

	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep,
		hf_querykey_max_subkey_len, NULL);

	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep,
		hf_querykey_reserved, NULL);

	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep,
		hf_querykey_num_values, NULL);

	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep,
		hf_querykey_max_valname_len, NULL);

	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep,
		hf_querykey_max_valbuf_size, NULL);

	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep,
		hf_querykey_secdesc, NULL);

	offset = dissect_ndr_nt_NTTIME(
		tvb, offset, pinfo, tree, drep, hf_querykey_modtime);

	offset = dissect_ntstatus(
		tvb, offset, pinfo, tree, drep, hf_rc, NULL);

	return offset;
}

/*
 * OpenKey
 */

static int
RegOpenKey_q(tvbuff_t *tvb, int offset, packet_info *pinfo,
	       proto_tree *tree, guint8 *drep)
{
	/* Parse packet */

	offset = dissect_nt_policy_hnd(
		tvb, offset, pinfo, tree, drep,
		hf_hnd, NULL, NULL, FALSE, FALSE);

	offset = dissect_ndr_counted_string(
		tvb, offset, pinfo, tree, drep, hf_querykey_class, 0);

	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep,
		hf_openkey_unknown1, NULL);

	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep,
		hf_access_mask, NULL);

	return offset;
}

static int
RegOpenKey_r(tvbuff_t *tvb, int offset, packet_info *pinfo,
	       proto_tree *tree, guint8 *drep)
{
	e_ctx_hnd policy_hnd;
	proto_item *hnd_item;
	guint32 status;

	/* Parse packet */

	offset = dissect_nt_policy_hnd(
		tvb, offset, pinfo, tree, drep,
		hf_hnd, &policy_hnd, &hnd_item, TRUE, FALSE);

	offset = dissect_ntstatus(
		tvb, offset, pinfo, tree, drep, hf_rc, &status);

	if (status == 0) {
		dcerpc_smb_store_pol_name(&policy_hnd, pinfo,
			"OpenKey handle");
		if (hnd_item != NULL)
			proto_item_append_text(hnd_item, ": OpenKey handle");
	}

	return offset;
}

/*
 * GetVersion
 */

static int
RegGetVersion_q(tvbuff_t *tvb, int offset, packet_info *pinfo,
	       proto_tree *tree, guint8 *drep)
{
	/* Parse packet */

	offset = dissect_nt_policy_hnd(
		tvb, offset, pinfo, tree, drep,
		hf_hnd, NULL, NULL, FALSE, FALSE);

	return offset;
}

static int
RegGetVersion_r(tvbuff_t *tvb, int offset, packet_info *pinfo,
	       proto_tree *tree, guint8 *drep)
{
	/* Parse packet */

	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep,
		hf_getversion_version, NULL);

	offset = dissect_ntstatus(
		tvb, offset, pinfo, tree, drep, hf_rc, NULL);

	return offset;
}

/*
 * EnumKey
 */

static int
RegEnumKey_q(tvbuff_t *tvb, int offset, packet_info *pinfo,
	     proto_tree *tree, guint8 *drep)
{
	/* Parse packet */

	offset = dissect_nt_policy_hnd(
		tvb, offset, pinfo, tree, drep,
		hf_hnd, NULL, NULL, FALSE, FALSE);

	return offset;
}

static int
RegEnumKey_r(tvbuff_t *tvb, int offset, packet_info *pinfo,
	     proto_tree *tree, guint8 *drep)
{
	/* Parse packet */

	offset = dissect_ntstatus(
		tvb, offset, pinfo, tree, drep, hf_rc, NULL);

	return offset;
}

/*
 * RegQueryValue
 */

static int
dissect_reserved(tvbuff_t *tvb, int offset, packet_info *pinfo,
		 proto_tree *tree, guint8 *drep)
{
	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep, hf_reserved, NULL);

	return offset;
}

static int
dissect_offered(tvbuff_t *tvb, int offset, packet_info *pinfo,
		proto_tree *tree, guint8 *drep)
{
	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep, hf_offered, NULL);

	return offset;
}

static int
dissect_returned(tvbuff_t *tvb, int offset, packet_info *pinfo,
		 proto_tree *tree, guint8 *drep)
{
	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep, hf_returned, NULL);

	return offset;
}

static int
dissect_unknown(tvbuff_t *tvb, int offset, packet_info *pinfo,
		proto_tree *tree, guint8 *drep)
{
	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep, hf_unknown, NULL);

	return offset;
}

static int
RegQueryValue_q(tvbuff_t *tvb, int offset, packet_info *pinfo,
		proto_tree *tree, guint8 *drep)
{
	/* Parse packet */

	offset = dissect_nt_policy_hnd(
		tvb, offset, pinfo, tree, drep,
		hf_hnd, NULL, NULL, FALSE, FALSE);

	offset = dissect_ndr_counted_string(
		tvb, offset, pinfo, tree, drep, hf_querykey_class, 0);

	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_reserved, NDR_POINTER_UNIQUE,
		"Reserved", -1);

	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_offered, NDR_POINTER_UNIQUE,
		"Offered", -1);

	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_unknown, NDR_POINTER_UNIQUE,
		"Unknown", -1);

	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_unknown, NDR_POINTER_UNIQUE,
		"Unknown", -1);

	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_offered, NDR_POINTER_UNIQUE,
		"Offered", -1);

	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_returned, NDR_POINTER_UNIQUE,
		"Returned", -1);

	return offset;
}

static int
dissect_key_type(tvbuff_t *tvb, int offset, packet_info *pinfo,
		 proto_tree *tree, guint8 *drep)
{
	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep, hf_keytype, NULL);

	return offset;
}

static int
RegQueryValue_r(tvbuff_t *tvb, int offset, packet_info *pinfo,
		proto_tree *tree, guint8 *drep)
{
	/* Parse packet */

	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_key_type, NDR_POINTER_UNIQUE,
		"Key Type", -1);	

	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_ndr_byte_array, NDR_POINTER_UNIQUE,
		"Key Data", -1);

	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_offered, NDR_POINTER_UNIQUE,
		"Offered", -1);

	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_returned, NDR_POINTER_UNIQUE,
		"Returned", -1);

	offset = dissect_ntstatus(
		tvb, offset, pinfo, tree, drep, hf_rc, NULL);

	return offset;
}

/* Reg Shutdown functions */
static int
dissect_shutdown_server(tvbuff_t *tvb, int offset, packet_info *pinfo,
			proto_tree *tree, guint8 *drep)
{
	offset = dissect_ndr_uint16(
		tvb, offset, pinfo, tree, drep, hf_shutdown_server, NULL);

	return offset;
}

static int
dissect_shutdown_message(tvbuff_t *tvb, int offset, packet_info *pinfo,
			proto_tree *tree, guint8 *drep)
{
	offset = dissect_ndr_counted_string(
		tvb, offset, pinfo, tree, drep, hf_shutdown_message, 0);

	return offset;
}

static int
RegShutdown_q(tvbuff_t *tvb, int offset, packet_info *pinfo,
	 proto_tree *tree, guint8 *drep)
{
	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_shutdown_server, NDR_POINTER_UNIQUE,
		"Server", -1);

	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_shutdown_message, NDR_POINTER_UNIQUE,
		"message", -1);

	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep, hf_shutdown_seconds, NULL);
	
	offset = dissect_ndr_uint8(
		tvb, offset, pinfo, tree, drep, hf_shutdown_force, NULL);
	offset = dissect_ndr_uint8(
		tvb, offset, pinfo, tree, drep, hf_shutdown_reboot, NULL);
		
	return offset;
}

static int
RegShutdown_r(tvbuff_t *tvb, int offset, packet_info *pinfo,
	 proto_tree *tree, guint8 *drep)
{
	offset = dissect_ntstatus(
		tvb, offset, pinfo, tree, drep, hf_rc, NULL);

	return offset;
}

static int
RegAbortShutdown_q(tvbuff_t *tvb, int offset, packet_info *pinfo,
		   proto_tree *tree, guint8 *drep)
{
	offset = dissect_ndr_pointer(
		tvb, offset, pinfo, tree, drep,
		dissect_shutdown_server, NDR_POINTER_UNIQUE,
		"Server", -1);	
		
	return offset;
}

static int
RegShutdownEx_q(tvbuff_t *tvb, int offset, packet_info *pinfo,
		proto_tree *tree, guint8 *drep)
{
	offset = RegShutdown_q(tvb, offset, pinfo, tree, drep);
	offset = dissect_ndr_uint32(
		tvb, offset, pinfo, tree, drep, hf_shutdown_reason, NULL);
		
	return offset;
}

#if 0

/* Templates for new subdissectors */

/*
 * FOO
 */

static int
RegFoo_q(tvbuff_t *tvb, int offset, packet_info *pinfo,
	 proto_tree *tree, guint8 *drep)
{
	dcerpc_info *di = (dcerpc_info *)pinfo->private_data;

	/* Parse packet */

	return offset;
}

static int
RegFoo_r(tvbuff_t *tvb, int offset, packet_info *pinfo,
	 proto_tree *tree, guint8 *drep)
{
	dcerpc_info *di = (dcerpc_info *)pinfo->private_data;

	/* Parse packet */

	offset = dissect_ntstatus(
		tvb, offset, pinfo, tree, drep, hf_rc, NULL);

	return offset;
}

#endif

/* Registry data types */

const value_string reg_datatypes[] = {
	{ DCERPC_REG_NONE, "REG_NONE" },
	{ DCERPC_REG_SZ, "REG_SZ" },
	{ DCERPC_REG_EXPAND_SZ, "REG_EXPAND_SZ" },
	{ DCERPC_REG_BINARY, "REG_BINARY" },
	{ DCERPC_REG_DWORD, "REG_DWORD" },
	{ DCERPC_REG_DWORD_LE, "REG_DWORD_LE" },
	{ DCERPC_REG_DWORD_BE, "REG_DWORD_BE" },
	{ DCERPC_REG_LINK, "REG_LINK" },
	{ DCERPC_REG_MULTI_SZ, "REG_MULTI_SZ" },
	{ DCERPC_REG_RESOURCE_LIST, "REG_RESOURCE_LIST" },
	{ DCERPC_REG_FULL_RESOURCE_DESCRIPTOR, "REG_FULL_RESOURCE_DESCRIPTOR" },
	{ DCERPC_REG_RESOURCE_REQUIREMENTS_LIST, "REG_RESOURCE_REQUIREMENTS_LIST" },
	{0, NULL }
};

static int proto_dcerpc_reg = -1;
static int hf_reg_opnum = -1;
static gint ett_dcerpc_reg = -1;

static e_uuid_t uuid_dcerpc_reg = {
        0x338cd001, 0x2244, 0x31f1,
        { 0xaa, 0xaa, 0x90, 0x00, 0x38, 0x00, 0x10, 0x03 }
};

static guint16 ver_dcerpc_reg = 1;

static dcerpc_sub_dissector dcerpc_reg_dissectors[] = {
        { REG_OPEN_HKCR, "OpenHKCR", RegOpenHKCR_q, RegOpenHKCR_r },
        { REG_OPEN_HKCU, "OpenHKCU", NULL, NULL },
        { REG_OPEN_HKLM, "OpenHKLM", RegOpenHKLM_q, RegOpenHKLM_r },
        { REG_OPEN_HKPD, "OpenHKPD", NULL, NULL },
        { REG_OPEN_HKU, "OpenHKU", RegOpenHKU_q, RegOpenHKU_r },
        { REG_CLOSE_KEY, "CloseKey", RegCloseKey_q, RegCloseKey_r },
        { REG_CREATE_KEY, "CreateKey", NULL, NULL },
        { REG_DELETE_KEY, "DeleteKey", NULL, NULL },
        { REG_DELETE_VALUE, "DeleteValue", NULL, NULL },
        { REG_ENUM_KEY, "EnumKey", RegEnumKey_q, RegEnumKey_r },
        { REG_ENUM_VALUE, "EnumValue", NULL, NULL },
        { REG_FLUSH_KEY, "FlushKey", NULL, NULL },
        { REG_GET_KEY_SEC, "GetKeySecurity", NULL, NULL },
        { REG_LOAD_KEY, "LoadKey", NULL, NULL },
        { REG_NOTIFY_CHANGE_KEY_VALUE, "NotifyChangeKeyValue", NULL, NULL },
        { REG_OPEN_KEY, "OpenKey", RegOpenKey_q, RegOpenKey_r },
        { REG_QUERY_INFO_KEY, "QueryInfoKey", RegQueryInfoKey_q, RegQueryInfoKey_r },
        { REG_QUERY_VALUE, "QueryValue", RegQueryValue_q, RegQueryValue_r },
        { REG_REPLACE_KEY, "ReplaceKey", NULL, NULL },
        { REG_RESTORE_KEY, "RestoreKey", NULL, NULL },
        { REG_SAVE_KEY, "SaveKey", NULL, NULL },
        { REG_SET_KEY_SEC, "SetKeySecurity", NULL, NULL },
        { REG_SET_VALUE, "SetValue", NULL, NULL },
        { REG_UNLOAD_KEY, "UnLoadKey", NULL, NULL },
        { REG_INITIATE_SYSTEM_SHUTDOWN, "InitiateSystemShutdown", 
	  RegShutdown_q, RegShutdown_r },
        { REG_ABORT_SYSTEM_SHUTDOWN, "AbortSystemShutdown", 
	  RegAbortShutdown_q, RegShutdown_r },
        { REG_GET_VERSION, "GetVersion", RegGetVersion_q, RegGetVersion_r },
	{ REG_OPEN_HKCC, "OpenHKCC", NULL, NULL },
	{ REG_OPEN_HKDD, "OpenHKDD", NULL, NULL },
	{ REG_QUERY_MULTIPLE_VALUES, "QueryMultipleValues", NULL, NULL },
	{ REG_INITIATE_SYSTEM_SHUTDOWN_EX, "InitiateSystemShutdownEx", 
	  RegShutdownEx_q, RegShutdown_r },
	{ REG_SAVE_KEY_EX, "SaveKeyEx", NULL, NULL },
	{ REG_OPEN_HKPT, "OpenHKPT", NULL, NULL },
	{ REG_OPEN_HKPN, "OpenHKPN", NULL, NULL },
	{ REG_QUERY_MULTIPLE_VALUES_2, "QueryMultipleValues2", NULL, NULL },
        { 0, NULL, NULL,  NULL }
};

void
proto_register_dcerpc_reg(void)
{
	static hf_register_info hf[] = {

		/* Global indexes */

		{ &hf_hnd,
		  { "Context handle", "reg.hnd", FT_BYTES, BASE_NONE,
		    NULL, 0x0, "REG policy handle", HFILL }},

		{ &hf_rc,
		  { "Return code", "reg.rc", FT_UINT32, BASE_HEX,
		    VALS(NT_errors), 0x0, "REG return code", HFILL }},

		{ &hf_reg_opnum,
		  { "Operation", "reg.opnum", FT_UINT16, BASE_DEC,
		    NULL, 0x0, "Operation", HFILL }},

		{ &hf_access_mask,
		  { "Access mask", "reg.access_mask", FT_UINT32, BASE_HEX,
		    NULL, 0x0, "Access mask", HFILL }},

		{ &hf_keytype,
		  { "Key type", "reg.type", FT_UINT32, BASE_DEC,
		    VALS(reg_datatypes), 0x0, "Key type", HFILL }},

		{ &hf_keydata,
		  { "Key data", "reg.data", FT_BYTES, BASE_HEX,
		    NULL, 0x0, "Key data", HFILL }},

		{ &hf_offered,
		  { "Offered", "reg.offered", FT_UINT32, BASE_DEC,
		    NULL, 0x0, "Offered", HFILL }},

		{ &hf_returned,
		  { "Returned", "reg.returned", FT_UINT32, BASE_DEC,
		    NULL, 0x0, "Returned", HFILL }},

		{ &hf_reserved,
		  { "Reserved", "reg.reserved", FT_UINT32, BASE_HEX,
		    NULL, 0x0, "Reserved", HFILL }},

		{ &hf_unknown,
		  { "Unknown", "reg.unknown", FT_UINT32, BASE_HEX,
		    NULL, 0x0, "Unknown", HFILL }},

		/* OpenHKLM */

		{ &hf_openhklm_unknown1,
		  { "Unknown 1", "reg.openhklm.unknown1", FT_UINT16, BASE_HEX,
		    NULL, 0x0, "Unknown 1", HFILL }},

		{ &hf_openhklm_unknown2,
		  { "Unknown 2", "reg.openhklm.unknown2", FT_UINT16, BASE_HEX,
		    NULL, 0x0, "Unknown 2", HFILL }},

		/* QueryClass */

		{ &hf_querykey_class,
		  { "Class", "reg.querykey.class", FT_STRING, BASE_NONE,
		    NULL, 0, "Class", HFILL }},

		{ &hf_querykey_num_subkeys,
		  { "Num subkeys", "reg.querykey.num_subkeys", FT_UINT32, BASE_DEC,
		    NULL, 0x0, "Num subkeys", HFILL }},

		{ &hf_querykey_max_subkey_len,
		  { "Max subkey len", "reg.querykey.max_subkey_len", FT_UINT32, BASE_DEC,
		    NULL, 0x0, "Max subkey len", HFILL }},

		{ &hf_querykey_reserved,
		  { "Reserved", "reg.querykey.reserved", FT_UINT32, BASE_DEC,
		    NULL, 0x0, "Reserved", HFILL }},

		{ &hf_querykey_num_values,
		  { "Num values", "reg.querykey.num_values", FT_UINT32, BASE_DEC,
		    NULL, 0x0, "Num values", HFILL }},

		{ &hf_querykey_max_valname_len,
		  { "Max valnum len", "reg.querykey.max_valname_len", FT_UINT32, BASE_DEC,
		    NULL, 0x0, "Max valname len", HFILL }},

		{ &hf_querykey_max_valbuf_size,
		  { "Max valbuf size", "reg.querykey.max_valbuf_size", FT_UINT32, BASE_DEC,
		    NULL, 0x0, "Max valbuf size", HFILL }},

		{ &hf_querykey_secdesc,
		  { "Secdesc", "reg.querykey.secdesc", FT_UINT32, BASE_DEC,
		    NULL, 0x0, "Secdesc", HFILL }},

		{ &hf_querykey_modtime,
		  { "Mod time", "reg.querykey.modtime", FT_ABSOLUTE_TIME, BASE_NONE,
		    NULL, 0x0, "Secdesc", HFILL }},

		/* OpenKey */

		{ &hf_keyname,
		  { "Key name", "reg.keyname", FT_STRING, BASE_NONE,
		    NULL, 0x0, "Keyname", HFILL }},

		{ &hf_openkey_unknown1,
		  { "Unknown 1", "reg.openkey.unknown1", FT_UINT32, BASE_HEX,
		    NULL, 0x0, "Unknown 1", HFILL }},

		/* GetVersion */

		{ &hf_getversion_version,
		  { "Version", "reg.getversion.version", FT_UINT32, BASE_HEX,
		    NULL, 0x0, "Version", HFILL }},

		/* Shutdown */
		{ &hf_shutdown_message,
		  { "Message", "reg.shutdown.message", FT_STRING, BASE_NONE,
		    NULL, 0x0, "Message", HFILL }},

		{ &hf_shutdown_seconds,
		  { "Seconds", "reg.shutdown.seconds", FT_UINT32, BASE_DEC,
		    NULL, 0x00, "Seconds", HFILL }},

		{ &hf_shutdown_force,
		  { "Force applications shut", "reg.shutdown.force", FT_UINT8,
		    BASE_DEC, NULL, 0x00, "Force applications shut", HFILL }},

		{ &hf_shutdown_reboot,
		  { "Reboot", "reg.shutdown.reboot", FT_UINT8, BASE_DEC, 
		    NULL, 0x00, "Reboot", HFILL }},

		{ &hf_shutdown_server,
		  { "Server", "reg.shutdown.server", FT_UINT16, BASE_HEX, 
		    NULL, 0x00, "Server", HFILL }},

		{ &hf_shutdown_reason,
		  { "Reason", "reg.shutdown.reason", FT_UINT32, BASE_HEX,
		    NULL, 0x00, "Reason", HFILL }}

	};

        static gint *ett[] = {
                &ett_dcerpc_reg
        };

        proto_dcerpc_reg = proto_register_protocol(
                "Microsoft Registry", "WINREG", "winreg");

	proto_register_field_array(proto_dcerpc_reg, hf, array_length(hf));

        proto_register_subtree_array(ett, array_length(ett));
}

void
proto_reg_handoff_dcerpc_reg(void)
{
        /* Register protocol as dcerpc */

        dcerpc_init_uuid(proto_dcerpc_reg, ett_dcerpc_reg, &uuid_dcerpc_reg,
                         ver_dcerpc_reg, dcerpc_reg_dissectors, hf_reg_opnum);
}
