2 * Copyright 2001, Todd Sabin <tas@webspan.net>
4 * $Id: packet-dcerpc.h,v 1.12 2002/02/12 07:35:21 guy Exp $
6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@ethereal.com>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #ifndef __PACKET_DCERPC_H__
26 #define __PACKET_DCERPC_H__
28 #include <epan/conversation.h>
30 typedef struct _e_uuid_t {
37 typedef struct _e_ctx_hnd {
42 typedef struct _e_dce_cn_common_hdr_t {
51 } e_dce_cn_common_hdr_t;
53 typedef struct _e_dce_dg_common_hdr_t {
73 } e_dce_dg_common_hdr_t;
87 #define PDU_BIND_ACK 12
88 #define PDU_BIND_NAK 13
90 #define PDU_ALTER_ACK 15
94 * helpers for packet-dcerpc.c and packet-dcerpc-ndr.c
95 * If you're writing a subdissector, you almost certainly want the
96 * NDR functions below.
98 guint16 dcerpc_tvb_get_ntohs (tvbuff_t *tvb, gint offset, char *drep);
99 guint32 dcerpc_tvb_get_ntohl (tvbuff_t *tvb, gint offset, char *drep);
100 void dcerpc_tvb_get_uuid (tvbuff_t *tvb, gint offset, char *drep, e_uuid_t *uuid);
101 int dissect_dcerpc_uint8 (tvbuff_t *tvb, gint offset, packet_info *pinfo,
102 proto_tree *tree, char *drep,
103 int hfindex, guint8 *pdata);
104 int dissect_dcerpc_uint16 (tvbuff_t *tvb, gint offset, packet_info *pinfo,
105 proto_tree *tree, char *drep,
106 int hfindex, guint16 *pdata);
107 int dissect_dcerpc_uint32 (tvbuff_t *tvb, gint offset, packet_info *pinfo,
108 proto_tree *tree, char *drep,
109 int hfindex, guint32 *pdata);
110 int dissect_dcerpc_uint64 (tvbuff_t *tvb, gint offset, packet_info *pinfo,
111 proto_tree *tree, char *drep,
112 int hfindex, unsigned char *pdata);
116 * NDR routines for subdissectors.
118 int dissect_ndr_uint8 (tvbuff_t *tvb, gint offset, packet_info *pinfo,
119 proto_tree *tree, char *drep,
120 int hfindex, guint8 *pdata);
121 int dissect_ndr_uint16 (tvbuff_t *tvb, gint offset, packet_info *pinfo,
122 proto_tree *tree, char *drep,
123 int hfindex, guint16 *pdata);
124 int dissect_ndr_uint32 (tvbuff_t *tvb, gint offset, packet_info *pinfo,
125 proto_tree *tree, char *drep,
126 int hfindex, guint32 *pdata);
127 int dissect_ndr_uint64 (tvbuff_t *tvb, gint offset, packet_info *pinfo,
128 proto_tree *tree, char *drep,
129 int hfindex, unsigned char *pdata);
130 int dissect_ndr_uuid_t (tvbuff_t *tvb, gint offset, packet_info *pinfo,
131 proto_tree *tree, char *drep,
132 int hfindex, e_uuid_t *pdata);
133 int dissect_ndr_ctx_hnd (tvbuff_t *tvb, gint offset, packet_info *pinfo,
134 proto_tree *tree, char *drep,
135 int hfindex, e_ctx_hnd *pdata);
138 typedef int (dcerpc_dissect_fnct_t)(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, char *drep);
140 #define NDR_POINTER_REF 1
141 #define NDR_POINTER_UNIQUE 2
142 #define NDR_POINTER_PTR 3
143 int dissect_ndr_pointer (tvbuff_t *tvb, gint offset, packet_info *pinfo,
144 proto_tree *tree, char *drep,
145 dcerpc_dissect_fnct_t *fnct, int type, char *text, int hf_index, int levels);
147 /* dissect a NDR unidimensional conformant array */
148 int dissect_ndr_ucarray(tvbuff_t *tvb, gint offset, packet_info *pinfo,
149 proto_tree *tree, char *drep,
150 dcerpc_dissect_fnct_t *fnct);
152 /* dissect a NDR unidimensional conformant and varying array */
153 int dissect_ndr_ucvarray(tvbuff_t *tvb, gint offset, packet_info *pinfo,
154 proto_tree *tree, char *drep,
155 dcerpc_dissect_fnct_t *fnct);
159 typedef struct _dcerpc_sub_dissector {
162 dcerpc_dissect_fnct_t *dissect_rqst;
163 dcerpc_dissect_fnct_t *dissect_resp;
164 } dcerpc_sub_dissector;
166 /* registration function for subdissectors */
167 void dcerpc_init_uuid (int proto, int ett, e_uuid_t *uuid, guint16 ver, dcerpc_sub_dissector *procs);
169 /* Private data structure to pass to DCERPC dissector. This is used to
170 pass transport specific information down to the dissector from the
171 dissector that parsed this encapsulated calls. */
173 #define DCERPC_TRANSPORT_SMB 1
175 typedef struct _dcerpc_private_info {
176 int transport_type; /* Tag */
179 struct { /* DCERPC_TRANSPORT_SMB */
183 } dcerpc_private_info;
185 /* Private data passed to subdissectors from the main DCERPC dissector. */
186 typedef struct _dcerpc_call_value {
196 typedef struct _dcerpc_info {
197 conversation_t *conv; /* Which TCP stream we are in */
198 guint32 call_id; /* Context id for this call */
199 guint16 smb_fid; /* FID for DCERPC over SMB */
201 gboolean conformant_run;
202 guint32 array_max_count; /* max_count for conformant arrays */
203 guint32 array_max_count_offset;
204 guint32 array_offset;
205 guint32 array_offset_offset;
206 guint32 array_actual_count;
207 guint32 array_actual_count_offset;
209 int levels; /* number of levels upwards in the tree to append text*/
210 dcerpc_call_value *call_data;
213 #endif /* packet-dcerpc.h */