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/* packet-dcerpc-wkssvc.c
* Routines for SMB \\PIPE\\wkssvc packet disassembly
* Copyright 2001, Tim Potter <tpot@samba.org>
* Copyright 2003, Richard Sharpe <rsharpe@richardsharpe.com>
*
* $Id: packet-dcerpc-wkssvc.c,v 1.13 2003/04/29 23:28:36 sharpe Exp $
*
* 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-wkssvc.h"
#include "packet-dcerpc-nt.h"
#include "smb.h"
static int proto_dcerpc_wkssvc = -1;
static int hf_wkssvc_server = -1;
static int hf_wkssvc_info_level = -1;
static int hf_wkssvc_platform_id = -1;
static int hf_wkssvc_net_group = -1;
static int hf_wkssvc_ver_major = -1;
static int hf_wkssvc_ver_minor = -1;
static int hf_wkssvc_lan_root = -1;
static int hf_wkssvc_rc = -1;
static int hf_wkssvc_logged_on_users = -1;
static int hf_wkssvc_pref_max = -1;
static int hf_wkssvc_enum_handle = -1;
static int hf_wkssvc_junk = -1;
static gint ett_dcerpc_wkssvc = -1;
extern const value_string platform_id_vals[];
static e_uuid_t uuid_dcerpc_wkssvc = {
0x6bffd098, 0xa112, 0x3610,
{ 0x98, 0x33, 0x46, 0xc3, 0xf8, 0x7e, 0x34, 0x5a }
};
static int
wkssvc_dissect_ENUM_HANDLE(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
char *drep)
{
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_enum_handle, 0);
return offset;
}
static guint16 ver_dcerpc_wkssvc = 1;
/*
* IDL typedef struct {
* IDL long platform_id;
* IDL [string] [unique] wchar_t *server;
* IDL [string] [unique] wchar_t *lan_grp;
* IDL long ver_major;
* IDL long ver_minor;
* IDL } WKS_INFO_100;
*/
static int
wkssvc_dissect_WKS_INFO_100(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
char *drep)
{
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_platform_id, NULL);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Server", hf_wkssvc_server, 0);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Net Group", hf_wkssvc_net_group, 0);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_ver_major, NULL);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_ver_minor, NULL);
return offset;
}
/*
* IDL typedef struct {
* IDL long platform_id;
* IDL [string] [unique] wchar_t *server;
* IDL [string] [unique] wchar_t *lan_grp;
* IDL long ver_major;
* IDL long ver_minor;
* IDL [string] [unique] wchar_t *lan_root;
* IDL } WKS_INFO_101;
*/
static int
wkssvc_dissect_WKS_INFO_101(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
char *drep)
{
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_platform_id, NULL);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Server", hf_wkssvc_server, 0);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Net Group", hf_wkssvc_net_group, 0);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_ver_major, NULL);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_ver_minor, NULL);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Lan Root", hf_wkssvc_lan_root, 0);
return offset;
}
/*
* IDL typedef struct {
* IDL long platform_id;
* IDL [string] [unique] wchar_t *server;
* IDL [string] [unique] wchar_t *lan_grp;
* IDL long ver_major;
* IDL long ver_minor;
* IDL [string] [unique] wchar_t *lan_root;
* IDL long logged_on_users;
* IDL } WKS_INFO_102;
*/
static int
wkssvc_dissect_WKS_INFO_102(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
char *drep)
{
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_platform_id, NULL);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Server", hf_wkssvc_server, 0);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Net Group", hf_wkssvc_net_group, 0);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_ver_major, NULL);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_ver_minor, NULL);
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Lan Root", hf_wkssvc_lan_root, 0);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_logged_on_users, NULL);
return offset;
}
/*
* IDL long NetWkstaGetInfo(
* IDL [in] [string] [unique] wchar_t *ServerName,
* IDL [in] long level,
* IDL [out] [ref] WKS_INFO_UNION *wks
* IDL );
*/
static int
wkssvc_dissect_netwkstagetinfo_rqst(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
char *drep)
{
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Server",
hf_wkssvc_server, 0);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_info_level, 0);
return offset;
}
/*
* IDL typedef [switch_type(long)] union {
* IDL [case(100)] [unique] WKS_INFO_100 *wks100;
* IDL [case(101)] [unique] WKS_INFO_101 *wks101;
* IDL [case(102)] [unique] WKS_INFO_102 *wks102;
* IDL } WKS_INFO_UNION;
*/
static int
wkssvc_dissect_WKS_GETINFO_UNION(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
char *drep)
{
guint32 level;
ALIGN_TO_4_BYTES;
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep, hf_wkssvc_info_level, &level);
switch(level){
case 100:
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
wkssvc_dissect_WKS_INFO_100,
NDR_POINTER_UNIQUE, "WKS_INFO_100:", -1);
break;
case 101:
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
wkssvc_dissect_WKS_INFO_101,
NDR_POINTER_UNIQUE, "WKS_INFO_101:", -1);
break;
case 102:
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
wkssvc_dissect_WKS_INFO_102,
NDR_POINTER_UNIQUE, "WKS_INFO_101:", -1);
break;
}
return offset;
}
static int wkssvc_dissect_netwkstagetinfo_reply(tvbuff_t *tvb, int offset,
packet_info *pinfo,
proto_tree *tree,
char *drep)
{
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
wkssvc_dissect_WKS_GETINFO_UNION,
NDR_POINTER_REF, "Server Info", -1);
offset = dissect_doserror(tvb, offset, pinfo, tree, drep,
hf_wkssvc_rc, NULL);
return offset;
}
/*
* IDL long NetWkstaGetInfo(
* IDL [in] [string] [unique] wchar_t *ServerName,
* IDL [in] long level,
* IDL [out] [ref] WKS_INFO_UNION *wks
* IDL );
*/
static int
wkssvc_dissect_netwkstaenumusers_rqst(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree,
char *drep)
{
offset = dissect_ndr_str_pointer_item(tvb, offset, pinfo, tree, drep,
NDR_POINTER_UNIQUE, "Server",
hf_wkssvc_server, 0);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_info_level, 0);
/* Seems to be junk here ... */
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_junk, 0);
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
wkssvc_dissect_ENUM_HANDLE,
NDR_POINTER_UNIQUE, "Junk Handle", -1);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_junk, 0);
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep,
hf_wkssvc_pref_max, 0);
offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
wkssvc_dissect_ENUM_HANDLE,
NDR_POINTER_UNIQUE, "Enum Handle", -1);
return offset;
}
static int wkssvc_dissect_netwkstaenumusers_reply(tvbuff_t *tvb, int offset,
packet_info *pinfo,
proto_tree *tree,
char *drep)
{
/* offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, drep,
wkssvc_dissect_WKS_GETINFO_UNION,
NDR_POINTER_REF, "Server Info", -1);
offset = dissect_doserror(tvb, offset, pinfo, tree, drep,
hf_wkssvc_rc, NULL);*/
return offset;
}
static dcerpc_sub_dissector dcerpc_wkssvc_dissectors[] = {
{ WKS_NetWkstaGetInfo, "NetWkstaGetInfo",
wkssvc_dissect_netwkstagetinfo_rqst,
wkssvc_dissect_netwkstagetinfo_reply},
{ WKS_NetWkstaEnumUsers, "NetWkstaEnumUsers",
wkssvc_dissect_netwkstaenumusers_rqst,
wkssvc_dissect_netwkstaenumusers_reply},
{0, NULL, NULL, NULL }
};
void
proto_register_dcerpc_wkssvc(void)
{
static hf_register_info hf[] = {
{ &hf_wkssvc_server,
{ "Server", "wkssvc.server", FT_STRING, BASE_NONE,
NULL, 0x0, "Server Name", HFILL}},
{ &hf_wkssvc_net_group,
{ "Net Group", "wkssvc.netgrp", FT_STRING, BASE_NONE,
NULL, 0x0, "Net Group", HFILL}},
{ &hf_wkssvc_info_level,
{ "Info Level", "wkssvc.info_level", FT_UINT32,
BASE_DEC, NULL, 0x0, "Info Level", HFILL}},
{ &hf_wkssvc_platform_id,
{ "Platform ID", "wkssvc.info.platform_id", FT_UINT32,
BASE_DEC, VALS(platform_id_vals), 0x0, "Platform ID", HFILL}},
{ &hf_wkssvc_ver_major,
{ "Major Version", "wkssvc.version.major", FT_UINT32,
BASE_DEC, NULL, 0x0, "Major Version", HFILL}},
{ &hf_wkssvc_ver_minor,
{ "Minor Version", "wkssvc.version.minor", FT_UINT32,
BASE_DEC, NULL, 0x0, "Minor Version", HFILL}},
{ &hf_wkssvc_lan_root,
{ "Lan Root", "wkssvc.lan.root", FT_STRING, BASE_NONE,
NULL, 0x0, "Lan Root", HFILL}},
{ &hf_wkssvc_logged_on_users,
{ "Logged On Users", "wkssvc.logged.on.users", FT_UINT32,
BASE_DEC, NULL, 0x0, "Logged On Users", HFILL}},
{ &hf_wkssvc_pref_max,
{ "Preferred Max Len", "wkssvc.pref.max.len", FT_INT32,
BASE_DEC, NULL, 0x0, "Preferred Max Len", HFILL}},
{ &hf_wkssvc_junk,
{ "Junk", "wkssvc.junk", FT_UINT32,
BASE_DEC, NULL, 0x0, "Junk", HFILL}},
{ &hf_wkssvc_enum_handle,
{ "Enumeration handle", "wkssvc.enum_hnd", FT_BYTES,
BASE_HEX, NULL, 0x0, "Enumeration Handle", HFILL}},
{ &hf_wkssvc_rc,
{ "Return code", "srvsvc.rc", FT_UINT32,
BASE_HEX, VALS(DOS_errors), 0x0, "Return Code", HFILL}},
};
static gint *ett[] = {
&ett_dcerpc_wkssvc
};
proto_dcerpc_wkssvc = proto_register_protocol(
"Microsoft Workstation Service", "WKSSVC", "wkssvc");
proto_register_field_array(proto_dcerpc_wkssvc, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_dcerpc_wkssvc(void)
{
/* Register protocol as dcerpc */
dcerpc_init_uuid(proto_dcerpc_wkssvc, ett_dcerpc_wkssvc,
&uuid_dcerpc_wkssvc, ver_dcerpc_wkssvc,
dcerpc_wkssvc_dissectors, -1);
}
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