forked from osmocom/wireshark
213 lines
6.6 KiB
C
213 lines
6.6 KiB
C
/* packet-smb2.h
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* Defines for SMB2 packet dissection
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998, 1999 Gerald Combs
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __PACKET_SMB2_H__
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#define __PACKET_SMB2_H__
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#include "packet-dcerpc.h"
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#include "packet-smb.h"
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/* SMB2 command codes. With MSVC and a
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* libwireshark.dll, we need a special declaration.
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*/
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WS_DLL_PUBLIC value_string_ext smb2_cmd_vals_ext;
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/* Structure to keep track of information specific to a single
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* SMB2 transaction. Here we store things we need to remember between
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* a specific request and a specific response.
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*
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* There is no guarantee we will have this structure available for all
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* SMB2 packets so a dissector must check this pointer for NULL
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* before dereferencing it.
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*
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* private data is set to NULL when the structure is created. It is used
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* for communications between the Request and the Response packets.
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*/
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/* extra info needed by export object smb */
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typedef struct _smb2_eo_file_info_t {
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guint32 attr_mask;
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gint64 end_of_file;
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} smb2_eo_file_info_t;
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typedef struct _smb2_fid_info_t {
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guint64 fid_persistent;
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guint64 fid_volatile;
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guint64 sesid;
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guint32 tid;
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char *name;
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} smb2_fid_info_t;
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typedef enum {
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SMB2_EI_NONE, /* Unassigned / NULL */
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SMB2_EI_TREENAME, /* tid tracking char * */
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SMB2_EI_FILENAME, /* fid tracking char * */
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SMB2_EI_FINDPATTERN /* find tracking char * */
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} smb2_extra_info_t;
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typedef struct _smb2_saved_info_t {
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guint8 smb2_class;
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guint8 infolevel;
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guint64 msg_id;
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guint32 frame_req, frame_res;
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nstime_t req_time;
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smb2_fid_info_t *file;
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e_ctx_hnd policy_hnd; /* for eo_smb tracking */
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smb_eo_t *eo_info_t; /* for storing eo_smb infos */
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guint64 file_offset; /* needed file_offset for eo_smb */
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guint32 bytes_moved; /* needed for eo_smb */
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void *extra_info;
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smb2_extra_info_t extra_info_type;
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} smb2_saved_info_t;
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typedef struct _smb2_tid_info_t {
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guint32 tid;
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guint32 connect_frame;
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guint8 share_type;
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char *name;
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} smb2_tid_info_t;
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typedef struct _smb2_sesid_info_t {
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guint64 sesid;
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guint32 auth_frame;
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char *acct_name;
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char *domain_name;
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char *host_name;
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guint16 server_port;
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guint8 client_decryption_key[16];
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guint8 server_decryption_key[16];
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GHashTable *tids;
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} smb2_sesid_info_t;
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/* Structure to keep track of conversations and the hash tables.
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* There is one such structure for each conversation.
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*/
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typedef struct _smb2_conv_info_t {
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/* these two tables are used to match requests with responses */
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GHashTable *unmatched;
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GHashTable *matched;
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GHashTable *sesids;
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GHashTable *fids;
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/* table to store some infos for smb export object */
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GHashTable *files;
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} smb2_conv_info_t;
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/* This structure contains information from the SMB2 header
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* as well as pointers to the conversation and the transaction specific
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* structures.
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*/
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#define SMB2_FLAGS_RESPONSE 0x00000001
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#define SMB2_FLAGS_ASYNC_CMD 0x00000002
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#define SMB2_FLAGS_CHAINED 0x00000004
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#define SMB2_FLAGS_SIGNATURE 0x00000008
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#define SMB2_FLAGS_PRIORITY_MASK 0x00000070
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#define SMB2_FLAGS_DFS_OP 0x10000000
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#define SMB2_FLAGS_REPLAY_OPERATION 0x20000000
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#define SMB2_FLAGS_PRIORITY1 0x00000010
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#define SMB2_FLAGS_PRIORITY2 0x00000020
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#define SMB2_FLAGS_PRIORITY3 0x00000030
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#define SMB2_FLAGS_PRIORITY4 0x00000040
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#define SMB2_FLAGS_PRIORITY5 0x00000050
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#define SMB2_FLAGS_PRIORITY6 0x00000060
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#define SMB2_FLAGS_PRIORITY7 0x00000070
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/* SMB2 FLAG MASKS */
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#define SMB2_FLAGS_ATTR_ENCRYPTED 0x00004000
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#define SMB2_FLAGS_ATTR_INDEXED 0x00002000
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#define SMB2_FLAGS_ATTR_OFFLINE 0x00001000
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#define SMB2_FLAGS_ATTR_COMPRESSED 0x00000800
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#define SMB2_FLAGS_ATTR_REPARSEPOINT 0x00000400
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#define SMB2_FLAGS_ATTR_SPARSE 0x00000200
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#define SMB2_FLAGS_ATTR_TEMPORARY 0x00000100
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#define SMB2_FLAGS_ATTR_NORMAL 0x00000080
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#define SMB2_FLAGS_ATTR_DEVICE 0x00000040
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#define SMB2_FLAGS_ATTR_ARCHIVE 0x00000020
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#define SMB2_FLAGS_ATTR_DIRECTORY 0x00000010
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#define SMB2_FLAGS_ATTR_VOLUMEID 0x00000008
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#define SMB2_FLAGS_ATTR_SYSTEM 0x00000004
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#define SMB2_FLAGS_ATTR_HIDDEN 0x00000002
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#define SMB2_FLAGS_ATTR_READONLY 0x00000001
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/* SMB2 FILE TYPES ASIGNED TO EXPORT OBJECTS */
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#define SMB2_FID_TYPE_UNKNOWN 0
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#define SMB2_FID_TYPE_FILE 1
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#define SMB2_FID_TYPE_DIR 2
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#define SMB2_FID_TYPE_PIPE 3
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#define SMB2_FID_TYPE_OTHER 4
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/* SMB2 COMMAND CODES */
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#define SMB2_COM_NEGOTIATE_PROTOCOL 0x00
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#define SMB2_COM_SESSION_SETUP 0x01
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#define SMB2_COM_SESSION_LOGOFF 0x02
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#define SMB2_COM_TREE_CONNECT 0x03
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#define SMB2_COM_TREE_DISCONNECT 0x04
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#define SMB2_COM_CREATE 0x05
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#define SMB2_COM_CLOSE 0x06
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#define SMB2_COM_FLUSH 0x07
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#define SMB2_COM_READ 0x08
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#define SMB2_COM_WRITE 0x09
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#define SMB2_COM_LOCK 0x0A
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#define SMB2_COM_IOCTL 0x0B
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#define SMB2_COM_CANCEL 0x0C
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#define SMB2_COM_KEEPALIVE 0x0D
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#define SMB2_COM_FIND 0x0E
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#define SMB2_COM_NOTIFY 0x0F
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#define SMB2_COM_GETINFO 0x10
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#define SMB2_COM_SETINFO 0x11
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#define SMB2_COM_BREAK 0x12
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typedef struct _smb2_info_t {
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guint16 opcode;
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guint32 ioctl_function;
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guint32 status;
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guint32 tid;
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guint64 sesid;
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gint64 msg_id;
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guint32 flags;
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smb2_eo_file_info_t *eo_file_info; /* eo_smb extra info */
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smb2_conv_info_t *conv;
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smb2_saved_info_t *saved;
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smb2_tid_info_t *tree;
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smb2_sesid_info_t *session;
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smb2_fid_info_t *file;
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proto_tree *top_tree;
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} smb2_info_t;
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/* for transform content information */
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typedef struct _smb2_transform_info_t {
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guint8 nonce[16];
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guint32 size;
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guint16 alg;
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guint64 sesid;
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smb2_conv_info_t *conv;
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smb2_sesid_info_t *session;
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} smb2_transform_info_t;
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int dissect_smb2_FILE_OBJECTID_BUFFER(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset);
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int dissect_smb2_ioctl_function(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, int offset, guint32 *ioctl_function);
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void dissect_smb2_ioctl_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_tree *top_tree, guint32 ioctl_function, gboolean data_in, void *private_data);
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#endif
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