forked from osmocom/wireshark
6582 lines
192 KiB
C
6582 lines
192 KiB
C
/* packet-smb2.c
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* Routines for smb2 packet dissection
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* Ronnie Sahlberg 2005
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*
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* For documentation of this protocol, see:
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*
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* http://wiki.wireshark.org/SMB2
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* http://msdn.microsoft.com/en-us/library/cc246482(PROT.10).aspx
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*
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* If you edit this file, keep the wiki updated as well.
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*
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* $Id$
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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 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., 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 <epan/packet.h>
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#include <epan/conversation.h>
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#include <epan/tap.h>
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#include <epan/emem.h>
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#include "packet-smb2.h"
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#include "packet-dcerpc.h"
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#include "packet-ntlmssp.h"
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#include "packet-windows-common.h"
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#include "packet-smb-common.h"
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#include "packet-smb.h"
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#include "packet-dcerpc-nt.h"
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#include <string.h>
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static int proto_smb2 = -1;
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static int hf_smb2_cmd = -1;
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static int hf_smb2_nt_status = -1;
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static int hf_smb2_response_to = -1;
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static int hf_smb2_response_in = -1;
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static int hf_smb2_time = -1;
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static int hf_smb2_header_len = -1;
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static int hf_smb2_seqnum = -1;
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static int hf_smb2_pid = -1;
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static int hf_smb2_tid = -1;
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static int hf_smb2_aid = -1;
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static int hf_smb2_sesid = -1;
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static int hf_smb2_previous_sesid = -1;
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static int hf_smb2_flags_response = -1;
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static int hf_smb2_flags_async_cmd = -1;
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static int hf_smb2_flags_dfs_op = -1;
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static int hf_smb2_flags_chained = -1;
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static int hf_smb2_flags_signature = -1;
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static int hf_smb2_chain_offset = -1;
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static int hf_smb2_response_buffer_offset = -1;
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static int hf_smb2_security_blob_offset = -1;
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static int hf_smb2_security_blob_len = -1;
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static int hf_smb2_security_blob = -1;
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static int hf_smb2_ioctl_in_data = -1;
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static int hf_smb2_ioctl_out_data = -1;
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static int hf_smb2_unknown = -1;
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static int hf_smb2_twrp_timestamp = -1;
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static int hf_smb2_mxac_timestamp = -1;
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static int hf_smb2_mxac_status = -1;
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static int hf_smb2_qfid_fid = -1;
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static int hf_smb2_create_timestamp = -1;
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static int hf_smb2_oplock = -1;
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static int hf_smb2_close_flags = -1;
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static int hf_smb2_notify_flags = -1;
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static int hf_smb2_last_access_timestamp = -1;
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static int hf_smb2_last_write_timestamp = -1;
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static int hf_smb2_last_change_timestamp = -1;
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static int hf_smb2_current_time = -1;
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static int hf_smb2_boot_time = -1;
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static int hf_smb2_filename = -1;
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static int hf_smb2_filename_len = -1;
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static int hf_smb2_nlinks = -1;
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static int hf_smb2_delete_pending = -1;
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static int hf_smb2_is_directory = -1;
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static int hf_smb2_file_id = -1;
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static int hf_smb2_allocation_size = -1;
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static int hf_smb2_end_of_file = -1;
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static int hf_smb2_tree = -1;
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static int hf_smb2_find_pattern = -1;
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static int hf_smb2_find_info_level = -1;
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static int hf_smb2_find_info_blob = -1;
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static int hf_smb2_client_guid = -1;
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static int hf_smb2_server_guid = -1;
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static int hf_smb2_object_id = -1;
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static int hf_smb2_birth_volume_id = -1;
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static int hf_smb2_birth_object_id = -1;
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static int hf_smb2_domain_id = -1;
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static int hf_smb2_class = -1;
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static int hf_smb2_infolevel = -1;
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static int hf_smb2_infolevel_file_info = -1;
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static int hf_smb2_infolevel_fs_info = -1;
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static int hf_smb2_infolevel_sec_info = -1;
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static int hf_smb2_max_response_size = -1;
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static int hf_smb2_max_ioctl_in_size = -1;
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static int hf_smb2_max_ioctl_out_size = -1;
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static int hf_smb2_required_buffer_size = -1;
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static int hf_smb2_response_size = -1;
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static int hf_smb2_setinfo_size = -1;
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static int hf_smb2_setinfo_offset = -1;
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static int hf_smb2_file_basic_info = -1;
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static int hf_smb2_file_standard_info = -1;
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static int hf_smb2_file_internal_info = -1;
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static int hf_smb2_file_ea_info = -1;
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static int hf_smb2_file_access_info = -1;
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static int hf_smb2_file_rename_info = -1;
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static int hf_smb2_file_disposition_info = -1;
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static int hf_smb2_file_position_info = -1;
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static int hf_smb2_file_info_0f = -1;
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static int hf_smb2_file_mode_info = -1;
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static int hf_smb2_file_alignment_info = -1;
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static int hf_smb2_file_all_info = -1;
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static int hf_smb2_file_allocation_info = -1;
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static int hf_smb2_file_endoffile_info = -1;
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static int hf_smb2_file_alternate_name_info = -1;
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static int hf_smb2_file_stream_info = -1;
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static int hf_smb2_file_pipe_info = -1;
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static int hf_smb2_file_compression_info = -1;
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static int hf_smb2_file_network_open_info = -1;
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static int hf_smb2_file_attribute_tag_info = -1;
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static int hf_smb2_fs_info_01 = -1;
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static int hf_smb2_fs_info_03 = -1;
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static int hf_smb2_fs_info_04 = -1;
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static int hf_smb2_fs_info_05 = -1;
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static int hf_smb2_fs_info_06 = -1;
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static int hf_smb2_fs_info_07 = -1;
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static int hf_smb2_fs_objectid_info = -1;
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static int hf_smb2_sec_info_00 = -1;
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static int hf_smb2_fid = -1;
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static int hf_smb2_write_length = -1;
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static int hf_smb2_write_data = -1;
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static int hf_smb2_write_flags = -1;
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static int hf_smb2_write_flags_write_through = -1;
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static int hf_smb2_write_count = -1;
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static int hf_smb2_write_remaining = -1;
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static int hf_smb2_read_length = -1;
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static int hf_smb2_read_remaining = -1;
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static int hf_smb2_file_offset = -1;
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static int hf_smb2_read_data = -1;
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static int hf_smb2_disposition_delete_on_close = -1;
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static int hf_smb2_create_disposition = -1;
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static int hf_smb2_create_chain_offset = -1;
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static int hf_smb2_create_chain_data = -1;
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static int hf_smb2_data_offset = -1;
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static int hf_smb2_data_length = -1;
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static int hf_smb2_extrainfo = -1;
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static int hf_smb2_create_action = -1;
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static int hf_smb2_next_offset = -1;
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static int hf_smb2_ea_size = -1;
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static int hf_smb2_ea_flags = -1;
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static int hf_smb2_ea_name_len = -1;
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static int hf_smb2_ea_data_len = -1;
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static int hf_smb2_ea_name = -1;
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static int hf_smb2_ea_data = -1;
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static int hf_smb2_buffer_code_len = -1;
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static int hf_smb2_buffer_code_flags_dyn = -1;
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static int hf_smb2_olb_offset = -1;
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static int hf_smb2_olb_length = -1;
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static int hf_smb2_tag = -1;
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static int hf_smb2_impersonation_level = -1;
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static int hf_smb2_ioctl_function = -1;
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static int hf_smb2_ioctl_function_device = -1;
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static int hf_smb2_ioctl_function_access = -1;
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static int hf_smb2_ioctl_function_function = -1;
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static int hf_smb2_ioctl_function_method = -1;
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static int hf_smb2_ioctl_shadow_copy_num_volumes = -1;
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static int hf_smb2_ioctl_shadow_copy_num_labels = -1;
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static int hf_smb2_ioctl_shadow_copy_count = -1;
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static int hf_smb2_ioctl_shadow_copy_label = -1;
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static int hf_smb2_compression_format = -1;
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static int hf_smb2_FILE_OBJECTID_BUFFER = -1;
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static int hf_smb2_acct_name = -1;
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static int hf_smb2_domain_name = -1;
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static int hf_smb2_host_name = -1;
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static int hf_smb2_auth_frame = -1;
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static int hf_smb2_tcon_frame = -1;
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static int hf_smb2_share_type = -1;
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static int hf_smb2_signature = -1;
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static int hf_smb2_credit_charge = -1;
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static int hf_smb2_credits_requested = -1;
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static int hf_smb2_credits_granted = -1;
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static int hf_smb2_dialect_count = -1;
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static int hf_smb2_security_mode = -1;
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static int hf_smb2_secmode_flags_sign_required = -1;
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static int hf_smb2_secmode_flags_sign_enabled = -1;
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static int hf_smb2_capabilities = -1;
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static int hf_smb2_cap_dfs = -1;
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static int hf_smb2_cap_leasing = -1;
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static int hf_smb2_cap_large_mtu = -1;
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static int hf_smb2_dialect = -1;
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static int hf_smb2_max_trans_size = -1;
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static int hf_smb2_max_read_size = -1;
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static int hf_smb2_max_write_size = -1;
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static int hf_smb2_vcnum = -1;
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static int hf_smb2_channel = -1;
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static int hf_smb2_session_flags = -1;
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static int hf_smb2_ses_flags_guest = -1;
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static int hf_smb2_ses_flags_null = -1;
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static int hf_smb2_share_flags = -1;
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static int hf_smb2_share_flags_dfs = -1;
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static int hf_smb2_share_flags_dfs_root = -1;
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static int hf_smb2_share_flags_restrict_exclusive_opens = -1;
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static int hf_smb2_share_flags_force_shared_delete = -1;
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static int hf_smb2_share_flags_allow_namespace_caching = -1;
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static int hf_smb2_share_flags_access_based_dir_enum = -1;
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static int hf_smb2_share_flags_force_levelii_oplock = -1;
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static int hf_smb2_share_flags_enable_hash = -1;
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static int hf_smb2_share_caching = -1;
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static int hf_smb2_share_caps = -1;
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static int hf_smb2_share_caps_dfs = -1;
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static int hf_smb2_create_flags = -1;
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static int hf_smb2_lock_count = -1;
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static int hf_smb2_min_count = -1;
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static int hf_smb2_remaining_bytes = -1;
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static int hf_smb2_channel_info_offset = -1;
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static int hf_smb2_channel_info_length = -1;
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static int hf_smb2_ioctl_flags = -1;
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static int hf_smb2_ioctl_is_fsctl = -1;
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static int hf_smb2_close_pq_attrib = -1;
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static int hf_smb2_notify_watch_tree = -1;
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static int hf_smb2_output_buffer_len = -1;
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static int hf_smb2_notify_out_data = -1;
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static int hf_smb2_find_flags = -1;
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static int hf_smb2_find_flags_restart_scans = -1;
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static int hf_smb2_find_flags_single_entry = -1;
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static int hf_smb2_find_flags_index_specified = -1;
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static int hf_smb2_find_flags_reopen = -1;
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static int hf_smb2_file_index = -1;
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static int hf_smb2_file_directory_info = -1;
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static int hf_smb2_both_directory_info = -1;
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static int hf_smb2_short_name_len = -1;
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static int hf_smb2_short_name = -1;
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static int hf_smb2_id_both_directory_info = -1;
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static int hf_smb2_full_directory_info = -1;
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static int hf_smb2_file_name_info = -1;
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static int hf_smb2_lock_info = -1;
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static int hf_smb2_lock_length = -1;
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static int hf_smb2_lock_flags = -1;
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static int hf_smb2_lock_flags_shared = -1;
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static int hf_smb2_lock_flags_exclusive = -1;
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static int hf_smb2_lock_flags_unlock = -1;
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static int hf_smb2_lock_flags_fail_immediately = -1;
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static int hf_smb2_dhnq_buffer_reserved = -1;
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static int hf_smb2_error_byte_count = -1;
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static int hf_smb2_error_data = -1;
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static int hf_smb2_error_reserved = -1;
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static int hf_smb2_reserved = -1;
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static gint ett_smb2 = -1;
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static gint ett_smb2_olb = -1;
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static gint ett_smb2_ea = -1;
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static gint ett_smb2_header = -1;
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static gint ett_smb2_command = -1;
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static gint ett_smb2_secblob = -1;
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static gint ett_smb2_file_basic_info = -1;
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static gint ett_smb2_file_standard_info = -1;
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static gint ett_smb2_file_internal_info = -1;
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static gint ett_smb2_file_ea_info = -1;
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static gint ett_smb2_file_access_info = -1;
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static gint ett_smb2_file_position_info = -1;
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static gint ett_smb2_file_mode_info = -1;
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static gint ett_smb2_file_alignment_info = -1;
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static gint ett_smb2_file_all_info = -1;
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static gint ett_smb2_file_allocation_info = -1;
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static gint ett_smb2_file_endoffile_info = -1;
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static gint ett_smb2_file_alternate_name_info = -1;
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static gint ett_smb2_file_stream_info = -1;
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static gint ett_smb2_file_pipe_info = -1;
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static gint ett_smb2_file_compression_info = -1;
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static gint ett_smb2_file_network_open_info = -1;
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static gint ett_smb2_file_attribute_tag_info = -1;
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static gint ett_smb2_file_rename_info = -1;
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static gint ett_smb2_file_disposition_info = -1;
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static gint ett_smb2_file_info_0f = -1;
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static gint ett_smb2_fs_info_01 = -1;
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static gint ett_smb2_fs_info_03 = -1;
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static gint ett_smb2_fs_info_04 = -1;
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static gint ett_smb2_fs_info_05 = -1;
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static gint ett_smb2_fs_info_06 = -1;
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static gint ett_smb2_fs_info_07 = -1;
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static gint ett_smb2_fs_objectid_info = -1;
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static gint ett_smb2_sec_info_00 = -1;
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static gint ett_smb2_tid_tree = -1;
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static gint ett_smb2_sesid_tree = -1;
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static gint ett_smb2_create_chain_element = -1;
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static gint ett_smb2_MxAc_buffer = -1;
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static gint ett_smb2_QFid_buffer = -1;
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static gint ett_smb2_ioctl_function = -1;
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static gint ett_smb2_FILE_OBJECTID_BUFFER = -1;
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static gint ett_smb2_flags = -1;
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static gint ett_smb2_sec_mode = -1;
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static gint ett_smb2_capabilities = -1;
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static gint ett_smb2_ses_flags = -1;
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static gint ett_smb2_share_flags = -1;
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static gint ett_smb2_share_caps = -1;
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static gint ett_smb2_ioctl_flags = -1;
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static gint ett_smb2_close_flags = -1;
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static gint ett_smb2_notify_flags = -1;
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static gint ett_smb2_write_flags = -1;
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static gint ett_smb2_find_flags = -1;
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static gint ett_smb2_file_directory_info = -1;
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static gint ett_smb2_both_directory_info = -1;
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static gint ett_smb2_id_both_directory_info = -1;
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static gint ett_smb2_full_directory_info = -1;
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static gint ett_smb2_file_name_info = -1;
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static gint ett_smb2_lock_info = -1;
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static gint ett_smb2_lock_flags = -1;
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static int smb2_tap = -1;
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static dissector_handle_t gssapi_handle = NULL;
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static dissector_handle_t ntlmssp_handle = NULL;
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static heur_dissector_list_t smb2_heur_subdissector_list;
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#define SMB2_CLASS_FILE_INFO 0x01
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#define SMB2_CLASS_FS_INFO 0x02
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#define SMB2_CLASS_SEC_INFO 0x03
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static const value_string smb2_class_vals[] = {
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{ SMB2_CLASS_FILE_INFO, "FILE_INFO"},
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{ SMB2_CLASS_FS_INFO, "FS_INFO"},
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{ SMB2_CLASS_SEC_INFO, "SEC_INFO"},
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{ 0, NULL }
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};
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|
|
#define SMB2_SHARE_TYPE_DISK 0x01
|
|
#define SMB2_SHARE_TYPE_PIPE 0x02
|
|
#define SMB2_SHARE_TYPE_PRINT 0x03
|
|
static const value_string smb2_share_type_vals[] = {
|
|
{ SMB2_SHARE_TYPE_DISK, "Physical disk" },
|
|
{ SMB2_SHARE_TYPE_PIPE, "Named pipe" },
|
|
{ SMB2_SHARE_TYPE_PRINT, "Printer" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
#define SMB2_FILE_BASIC_INFO 0x04
|
|
#define SMB2_FILE_STANDARD_INFO 0x05
|
|
#define SMB2_FILE_INTERNAL_INFO 0x06
|
|
#define SMB2_FILE_EA_INFO 0x07
|
|
#define SMB2_FILE_ACCESS_INFO 0x08
|
|
#define SMB2_FILE_RENAME_INFO 0x0a
|
|
#define SMB2_FILE_DISPOSITION_INFO 0x0d
|
|
#define SMB2_FILE_POSITION_INFO 0x0e
|
|
#define SMB2_FILE_INFO_0f 0x0f
|
|
#define SMB2_FILE_MODE_INFO 0x10
|
|
#define SMB2_FILE_ALIGNMENT_INFO 0x11
|
|
#define SMB2_FILE_ALL_INFO 0x12
|
|
#define SMB2_FILE_ALLOCATION_INFO 0x13
|
|
#define SMB2_FILE_ENDOFFILE_INFO 0x14
|
|
#define SMB2_FILE_ALTERNATE_NAME_INFO 0x15
|
|
#define SMB2_FILE_STREAM_INFO 0x16
|
|
#define SMB2_FILE_PIPE_INFO 0x17
|
|
#define SMB2_FILE_COMPRESSION_INFO 0x1c
|
|
#define SMB2_FILE_NETWORK_OPEN_INFO 0x22
|
|
#define SMB2_FILE_ATTRIBUTE_TAG_INFO 0x23
|
|
static const value_string smb2_file_info_levels[] = {
|
|
{SMB2_FILE_BASIC_INFO, "SMB2_FILE_BASIC_INFO" },
|
|
{SMB2_FILE_STANDARD_INFO, "SMB2_FILE_STANDARD_INFO" },
|
|
{SMB2_FILE_INTERNAL_INFO, "SMB2_FILE_INTERNAL_INFO" },
|
|
{SMB2_FILE_EA_INFO, "SMB2_FILE_EA_INFO" },
|
|
{SMB2_FILE_ACCESS_INFO, "SMB2_FILE_ACCESS_INFO" },
|
|
{SMB2_FILE_RENAME_INFO, "SMB2_FILE_RENAME_INFO" },
|
|
{SMB2_FILE_DISPOSITION_INFO, "SMB2_FILE_DISPOSITION_INFO" },
|
|
{SMB2_FILE_POSITION_INFO, "SMB2_FILE_POSITION_INFO" },
|
|
{SMB2_FILE_INFO_0f, "SMB2_FILE_INFO_0f" },
|
|
{SMB2_FILE_MODE_INFO, "SMB2_FILE_MODE_INFO" },
|
|
{SMB2_FILE_ALIGNMENT_INFO, "SMB2_FILE_ALIGNMENT_INFO" },
|
|
{SMB2_FILE_ALL_INFO, "SMB2_FILE_ALL_INFO" },
|
|
{SMB2_FILE_ALLOCATION_INFO, "SMB2_FILE_ALLOCATION_INFO" },
|
|
{SMB2_FILE_ENDOFFILE_INFO, "SMB2_FILE_ENDOFFILE_INFO" },
|
|
{SMB2_FILE_ALTERNATE_NAME_INFO, "SMB2_FILE_ALTERNATE_NAME_INFO" },
|
|
{SMB2_FILE_STREAM_INFO, "SMB2_FILE_STREAM_INFO" },
|
|
{SMB2_FILE_PIPE_INFO, "SMB2_FILE_PIPE_INFO" },
|
|
{SMB2_FILE_COMPRESSION_INFO, "SMB2_FILE_COMPRESSION_INFO" },
|
|
{SMB2_FILE_NETWORK_OPEN_INFO, "SMB2_FILE_NETWORK_OPEN_INFO" },
|
|
{SMB2_FILE_ATTRIBUTE_TAG_INFO, "SMB2_FILE_ATTRIBUTE_TAG_INFO" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
|
|
#define SMB2_FS_INFO_01 0x01
|
|
#define SMB2_FS_INFO_03 0x03
|
|
#define SMB2_FS_INFO_04 0x04
|
|
#define SMB2_FS_INFO_05 0x05
|
|
#define SMB2_FS_INFO_06 0x06
|
|
#define SMB2_FS_INFO_07 0x07
|
|
#define SMB2_FS_OBJECTID_INFO 0x08
|
|
static const value_string smb2_fs_info_levels[] = {
|
|
{SMB2_FS_INFO_01, "SMB2_FS_INFO_01" },
|
|
{SMB2_FS_INFO_03, "SMB2_FS_INFO_03" },
|
|
{SMB2_FS_INFO_04, "SMB2_FS_INFO_04" },
|
|
{SMB2_FS_INFO_05, "SMB2_FS_INFO_05" },
|
|
{SMB2_FS_INFO_06, "SMB2_FS_INFO_06" },
|
|
{SMB2_FS_INFO_07, "SMB2_FS_INFO_07" },
|
|
{SMB2_FS_OBJECTID_INFO, "SMB2_FS_OBJECTID_INFO" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define SMB2_SEC_INFO_00 0x00
|
|
static const value_string smb2_sec_info_levels[] = {
|
|
{SMB2_SEC_INFO_00, "SMB2_SEC_INFO_00" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define SMB2_FIND_DIRECTORY_INFO 0x01
|
|
#define SMB2_FIND_FULL_DIRECTORY_INFO 0x02
|
|
#define SMB2_FIND_BOTH_DIRECTORY_INFO 0x03
|
|
#define SMB2_FIND_INDEX_SPECIFIED 0x04
|
|
#define SMB2_FIND_NAME_INFO 0x0C
|
|
#define SMB2_FIND_ID_BOTH_DIRECTORY_INFO 0x25
|
|
#define SMB2_FIND_ID_FULL_DIRECTORY_INFO 0x26
|
|
static const value_string smb2_find_info_levels[] = {
|
|
{ SMB2_FIND_DIRECTORY_INFO, "SMB2_FIND_DIRECTORY_INFO" },
|
|
{ SMB2_FIND_FULL_DIRECTORY_INFO, "SMB2_FIND_FULL_DIRECTORY_INFO" },
|
|
{ SMB2_FIND_BOTH_DIRECTORY_INFO, "SMB2_FIND_BOTH_DIRECTORY_INFO" },
|
|
{ SMB2_FIND_INDEX_SPECIFIED, "SMB2_FIND_INDEX_SPECIFIED" },
|
|
{ SMB2_FIND_NAME_INFO, "SMB2_FIND_NAME_INFO" },
|
|
{ SMB2_FIND_ID_BOTH_DIRECTORY_INFO, "SMB2_FIND_ID_BOTH_DIRECTORY_INFO" },
|
|
{ SMB2_FIND_ID_FULL_DIRECTORY_INFO, "SMB2_FIND_ID_FULL_DIRECTORY_INFO" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* unmatched smb_saved_info structures.
|
|
For unmatched smb_saved_info structures we store the smb_saved_info
|
|
structure using the SEQNUM field.
|
|
*/
|
|
static gint
|
|
smb2_saved_info_equal_unmatched(gconstpointer k1, gconstpointer k2)
|
|
{
|
|
smb2_saved_info_t *key1 = (smb2_saved_info_t *)k1;
|
|
smb2_saved_info_t *key2 = (smb2_saved_info_t *)k2;
|
|
return key1->seqnum==key2->seqnum;
|
|
}
|
|
static guint
|
|
smb2_saved_info_hash_unmatched(gconstpointer k)
|
|
{
|
|
smb2_saved_info_t *key = (smb2_saved_info_t *)k;
|
|
guint32 hash;
|
|
|
|
hash=(guint32) (key->seqnum&0xffffffff);
|
|
return hash;
|
|
}
|
|
|
|
/* matched smb_saved_info structures.
|
|
For matched smb_saved_info structures we store the smb_saved_info
|
|
structure using the SEQNUM field.
|
|
*/
|
|
static gint
|
|
smb2_saved_info_equal_matched(gconstpointer k1, gconstpointer k2)
|
|
{
|
|
smb2_saved_info_t *key1 = (smb2_saved_info_t *)k1;
|
|
smb2_saved_info_t *key2 = (smb2_saved_info_t *)k2;
|
|
return key1->seqnum==key2->seqnum;
|
|
}
|
|
static guint
|
|
smb2_saved_info_hash_matched(gconstpointer k)
|
|
{
|
|
smb2_saved_info_t *key = (smb2_saved_info_t *)k;
|
|
guint32 hash;
|
|
|
|
hash=(guint32) (key->seqnum&0xffffffff);
|
|
return hash;
|
|
}
|
|
|
|
/* For Tids of a specific conversation.
|
|
This keeps track of tid->sharename mappings and other information about the
|
|
tid.
|
|
qqq
|
|
We might need to refine this if it occurs that tids are reused on a single
|
|
conversation. we dont worry about that yet for simplicity
|
|
*/
|
|
static gint
|
|
smb2_tid_info_equal(gconstpointer k1, gconstpointer k2)
|
|
{
|
|
smb2_tid_info_t *key1 = (smb2_tid_info_t *)k1;
|
|
smb2_tid_info_t *key2 = (smb2_tid_info_t *)k2;
|
|
return key1->tid==key2->tid;
|
|
}
|
|
static guint
|
|
smb2_tid_info_hash(gconstpointer k)
|
|
{
|
|
smb2_tid_info_t *key = (smb2_tid_info_t *)k;
|
|
guint32 hash;
|
|
|
|
hash=key->tid;
|
|
return hash;
|
|
}
|
|
|
|
/* For Uids of a specific conversation.
|
|
This keeps track of uid->acct_name mappings and other information about the
|
|
uid.
|
|
qqq
|
|
We might need to refine this if it occurs that uids are reused on a single
|
|
conversation. we dont worry about that yet for simplicity
|
|
*/
|
|
static gint
|
|
smb2_sesid_info_equal(gconstpointer k1, gconstpointer k2)
|
|
{
|
|
smb2_sesid_info_t *key1 = (smb2_sesid_info_t *)k1;
|
|
smb2_sesid_info_t *key2 = (smb2_sesid_info_t *)k2;
|
|
return key1->sesid==key2->sesid;
|
|
}
|
|
static guint
|
|
smb2_sesid_info_hash(gconstpointer k)
|
|
{
|
|
smb2_sesid_info_t *key = (smb2_sesid_info_t *)k;
|
|
guint32 hash;
|
|
|
|
hash=(guint32)( ((key->sesid>>32)&0xffffffff)+((key->sesid)&0xffffffff) );
|
|
return hash;
|
|
}
|
|
|
|
static int dissect_smb2_file_info_0f(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, int offset, smb2_info_t *si);
|
|
|
|
|
|
/* This is a helper to dissect the common string type
|
|
* uint16 offset
|
|
* uint16 length
|
|
* ...
|
|
* char *string
|
|
*
|
|
* This function is called twice, first to decode the offset/length and
|
|
* second time to dissect the actual string.
|
|
* It is done this way since there is no guarantee that we have the full packet and we dont
|
|
* want to abort dissection too early if the packet ends somewhere between the
|
|
* length/offset and the actual buffer.
|
|
*
|
|
*/
|
|
enum offset_length_buffer_offset_size {
|
|
OLB_O_UINT16_S_UINT16,
|
|
OLB_O_UINT16_S_UINT32,
|
|
OLB_O_UINT32_S_UINT32,
|
|
OLB_S_UINT32_O_UINT32
|
|
};
|
|
typedef struct _offset_length_buffer_t {
|
|
guint32 off;
|
|
guint32 len;
|
|
int off_offset;
|
|
int len_offset;
|
|
enum offset_length_buffer_offset_size offset_size;
|
|
int hfindex;
|
|
} offset_length_buffer_t;
|
|
static int
|
|
dissect_smb2_olb_length_offset(tvbuff_t *tvb, int offset, offset_length_buffer_t *olb,
|
|
enum offset_length_buffer_offset_size offset_size, int hfindex)
|
|
{
|
|
olb->hfindex=hfindex;
|
|
olb->offset_size=offset_size;
|
|
switch(offset_size){
|
|
case OLB_O_UINT16_S_UINT16:
|
|
olb->off=tvb_get_letohs(tvb, offset);
|
|
olb->off_offset=offset;
|
|
offset += 2;
|
|
olb->len=tvb_get_letohs(tvb, offset);
|
|
olb->len_offset=offset;
|
|
offset += 2;
|
|
break;
|
|
case OLB_O_UINT16_S_UINT32:
|
|
olb->off=tvb_get_letohs(tvb, offset);
|
|
olb->off_offset=offset;
|
|
offset += 2;
|
|
olb->len=tvb_get_letohl(tvb, offset);
|
|
olb->len_offset=offset;
|
|
offset += 4;
|
|
break;
|
|
case OLB_O_UINT32_S_UINT32:
|
|
olb->off=tvb_get_letohl(tvb, offset);
|
|
olb->off_offset=offset;
|
|
offset += 4;
|
|
olb->len=tvb_get_letohl(tvb, offset);
|
|
olb->len_offset=offset;
|
|
offset += 4;
|
|
break;
|
|
case OLB_S_UINT32_O_UINT32:
|
|
olb->len=tvb_get_letohl(tvb, offset);
|
|
olb->len_offset=offset;
|
|
offset += 4;
|
|
olb->off=tvb_get_letohl(tvb, offset);
|
|
olb->off_offset=offset;
|
|
offset += 4;
|
|
break;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
#define OLB_TYPE_UNICODE_STRING 0x01
|
|
#define OLB_TYPE_ASCII_STRING 0x02
|
|
static const char *
|
|
dissect_smb2_olb_string(packet_info *pinfo, proto_tree *parent_tree, tvbuff_t *tvb, offset_length_buffer_t *olb, int type)
|
|
{
|
|
int len, off;
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
const char *name=NULL;
|
|
guint16 bc;
|
|
int offset;
|
|
|
|
offset=olb->off;
|
|
len=olb->len;
|
|
off=olb->off;
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
|
|
|
|
/* sanity check */
|
|
tvb_ensure_bytes_exist(tvb, off, len);
|
|
if(((off+len)<off)
|
|
|| ((off+len)>(off+tvb_reported_length_remaining(tvb, off)))){
|
|
proto_tree_add_text(tree, tvb, offset, tvb_length_remaining(tvb, offset),
|
|
"Invalid offset/length. Malformed packet");
|
|
|
|
col_append_str(pinfo->cinfo, COL_INFO, " [Malformed packet]");
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
switch(type){
|
|
case OLB_TYPE_UNICODE_STRING:
|
|
name = get_unicode_or_ascii_string(tvb, &off,
|
|
TRUE, &len, TRUE, TRUE, &bc);
|
|
if(!name){
|
|
name="";
|
|
}
|
|
if(parent_tree){
|
|
item = proto_tree_add_string(parent_tree, olb->hfindex, tvb, offset, len, name);
|
|
tree = proto_item_add_subtree(item, ett_smb2_olb);
|
|
}
|
|
break;
|
|
case OLB_TYPE_ASCII_STRING:
|
|
name = get_unicode_or_ascii_string(tvb, &off,
|
|
FALSE, &len, TRUE, TRUE, &bc);
|
|
if(!name){
|
|
name="";
|
|
}
|
|
if(parent_tree){
|
|
item = proto_tree_add_string(parent_tree, olb->hfindex, tvb, offset, len, name);
|
|
tree = proto_item_add_subtree(item, ett_smb2_olb);
|
|
}
|
|
break;
|
|
}
|
|
|
|
switch(olb->offset_size){
|
|
case OLB_O_UINT16_S_UINT16:
|
|
proto_tree_add_item(tree, hf_smb2_olb_offset, tvb, olb->off_offset, 2, TRUE);
|
|
proto_tree_add_item(tree, hf_smb2_olb_length, tvb, olb->len_offset, 2, TRUE);
|
|
break;
|
|
case OLB_O_UINT16_S_UINT32:
|
|
proto_tree_add_item(tree, hf_smb2_olb_offset, tvb, olb->off_offset, 2, TRUE);
|
|
proto_tree_add_item(tree, hf_smb2_olb_length, tvb, olb->len_offset, 4, TRUE);
|
|
break;
|
|
case OLB_O_UINT32_S_UINT32:
|
|
proto_tree_add_item(tree, hf_smb2_olb_offset, tvb, olb->off_offset, 4, TRUE);
|
|
proto_tree_add_item(tree, hf_smb2_olb_length, tvb, olb->len_offset, 4, TRUE);
|
|
break;
|
|
case OLB_S_UINT32_O_UINT32:
|
|
proto_tree_add_item(tree, hf_smb2_olb_length, tvb, olb->len_offset, 4, TRUE);
|
|
proto_tree_add_item(tree, hf_smb2_olb_offset, tvb, olb->off_offset, 4, TRUE);
|
|
break;
|
|
}
|
|
|
|
return name;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_olb_buffer(packet_info *pinfo, proto_tree *parent_tree, tvbuff_t *tvb,
|
|
offset_length_buffer_t *olb, smb2_info_t *si,
|
|
void (*dissector)(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si))
|
|
{
|
|
int len, off;
|
|
proto_item *sub_item=NULL;
|
|
proto_tree *sub_tree=NULL;
|
|
tvbuff_t *sub_tvb=NULL;
|
|
guint16 bc;
|
|
int offset;
|
|
|
|
offset=olb->off;
|
|
len=olb->len;
|
|
off=olb->off;
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
|
|
/* sanity check */
|
|
tvb_ensure_bytes_exist(tvb, off, len);
|
|
if(((off+len)<off)
|
|
|| ((off+len)>(off+tvb_reported_length_remaining(tvb, off)))){
|
|
proto_tree_add_text(parent_tree, tvb, offset, tvb_length_remaining(tvb, offset),
|
|
"Invalid offset/length. Malformed packet");
|
|
|
|
col_append_str(pinfo->cinfo, COL_INFO, " [Malformed packet]");
|
|
|
|
return;
|
|
}
|
|
|
|
/* if we dont want/need a subtree */
|
|
if(olb->hfindex==-1){
|
|
sub_item=parent_tree;
|
|
sub_tree=parent_tree;
|
|
} else {
|
|
if(parent_tree){
|
|
sub_item = proto_tree_add_item(parent_tree, olb->hfindex, tvb, offset, len, TRUE);
|
|
sub_tree = proto_item_add_subtree(sub_item, ett_smb2_olb);
|
|
}
|
|
}
|
|
|
|
switch(olb->offset_size){
|
|
case OLB_O_UINT16_S_UINT16:
|
|
proto_tree_add_item(sub_tree, hf_smb2_olb_offset, tvb, olb->off_offset, 2, TRUE);
|
|
proto_tree_add_item(sub_tree, hf_smb2_olb_length, tvb, olb->len_offset, 2, TRUE);
|
|
break;
|
|
case OLB_O_UINT16_S_UINT32:
|
|
proto_tree_add_item(sub_tree, hf_smb2_olb_offset, tvb, olb->off_offset, 2, TRUE);
|
|
proto_tree_add_item(sub_tree, hf_smb2_olb_length, tvb, olb->len_offset, 4, TRUE);
|
|
break;
|
|
case OLB_O_UINT32_S_UINT32:
|
|
proto_tree_add_item(sub_tree, hf_smb2_olb_offset, tvb, olb->off_offset, 4, TRUE);
|
|
proto_tree_add_item(sub_tree, hf_smb2_olb_length, tvb, olb->len_offset, 4, TRUE);
|
|
break;
|
|
case OLB_S_UINT32_O_UINT32:
|
|
proto_tree_add_item(sub_tree, hf_smb2_olb_length, tvb, olb->len_offset, 4, TRUE);
|
|
proto_tree_add_item(sub_tree, hf_smb2_olb_offset, tvb, olb->off_offset, 4, TRUE);
|
|
break;
|
|
}
|
|
|
|
if (off == 0 || len == 0) {
|
|
proto_item_append_text(sub_item, ": NO DATA");
|
|
return;
|
|
}
|
|
|
|
if (!dissector) {
|
|
return;
|
|
}
|
|
|
|
sub_tvb=tvb_new_subset(tvb, off, MIN((int)len, tvb_length_remaining(tvb, off)), len);
|
|
|
|
dissector(sub_tvb, pinfo, sub_tree, si);
|
|
|
|
return;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_olb_tvb_max_offset(int offset, offset_length_buffer_t *olb)
|
|
{
|
|
if (olb->off == 0) {
|
|
return offset;
|
|
}
|
|
return MAX(offset, (int)(olb->off + olb->len));
|
|
}
|
|
|
|
typedef struct _smb2_function {
|
|
int (*request)(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si);
|
|
int (*response)(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si);
|
|
} smb2_function;
|
|
|
|
static const true_false_string tfs_flags_response = {
|
|
"This is a RESPONSE",
|
|
"This is a REQUEST"
|
|
};
|
|
|
|
static const true_false_string tfs_flags_async_cmd = {
|
|
"This is an ASYNC command",
|
|
"This is a SYNC command"
|
|
};
|
|
|
|
static const true_false_string tfs_flags_dfs_op = {
|
|
"This is a DFS OPERATION",
|
|
"This is a normal operation"
|
|
};
|
|
|
|
static const true_false_string tfs_flags_chained = {
|
|
"This pdu a CHAINED command",
|
|
"This pdu is NOT a chained command"
|
|
};
|
|
|
|
static const true_false_string tfs_flags_signature = {
|
|
"This pdu is SIGNED",
|
|
"This pdu is NOT signed"
|
|
};
|
|
|
|
static const true_false_string tfs_cap_dfs = {
|
|
"This host supports DFS",
|
|
"This host does NOT support DFS"
|
|
};
|
|
|
|
static const true_false_string tfs_cap_leasing = {
|
|
"This host supports LEASING",
|
|
"This host does NOT support LEASING"
|
|
};
|
|
|
|
static const true_false_string tfs_cap_large_mtu = {
|
|
"This host supports LARGE_MTU",
|
|
"This host does NOT support LARGE_MTU"
|
|
};
|
|
|
|
static const value_string compression_format_vals[] = {
|
|
{ 0, "COMPRESSION_FORMAT_NONE" },
|
|
{ 1, "COMPRESSION_FORMAT_DEFAULT" },
|
|
{ 2, "COMPRESSION_FORMAT_LZNT1" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static const value_string smb2_ioctl_vals[] = {
|
|
/* dissector implemented */
|
|
{0x0011c017, "IOCTL_DO_DCERPC"},
|
|
{0x00144064, "FSCTL_GET_SHADOW_COPY_DATA"},
|
|
{0x000900C0, "FSCTL_CREATE_OR_GET_OBJECT_ID"},
|
|
{0x0009009C, "FSCTL_GET_OBJECT_ID"},
|
|
{0x000980A0, "FSCTL_DELETE_OBJECT_ID"}, /* no data in/out */
|
|
{0x00098098, "FSCTL_SET_OBJECT_ID"},
|
|
{0x000980BC, "FSCTL_SET_OBJECT_ID_EXTENDED"},
|
|
{0x0009003C, "FSCTL_GET_COMPRESSION"},
|
|
{0x0009C040, "FSCTL_SET_COMPRESSION"},
|
|
|
|
/* dissector not yet implemented */
|
|
{0x00090000, "FSCTL_REQUEST_OPLOCK_LEVEL_1"},
|
|
{0x00090004, "FSCTL_REQUEST_OPLOCK_LEVEL_2"},
|
|
{0x00090008, "FSCTL_REQUEST_BATCH_OPLOCK"},
|
|
{0x0009000C, "FSCTL_OPLOCK_BREAK_ACKNOWLEDGE"},
|
|
{0x00090010, "FSCTL_OPBATCH_ACK_CLOSE_PENDING"},
|
|
{0x00090014, "FSCTL_OPLOCK_BREAK_NOTIFY"},
|
|
{0x00090018, "FSCTL_LOCK_VOLUME"},
|
|
{0x0009001C, "FSCTL_UNLOCK_VOLUME"},
|
|
{0x00090020, "FSCTL_DISMOUNT_VOLUME"},
|
|
{0x00090028, "FSCTL_IS_VOLUME_MOUNTED"},
|
|
{0x0009002C, "FSCTL_IS_PATHNAME_VALID"},
|
|
{0x00090030, "FSCTL_MARK_VOLUME_DIRTY"},
|
|
{0x0009003B, "FSCTL_QUERY_RETRIEVAL_POINTERS"},
|
|
{0x0009004F, "FSCTL_MARK_AS_SYSTEM_HIVE"},
|
|
{0x00090050, "FSCTL_OPLOCK_BREAK_ACK_NO_2"},
|
|
{0x00090054, "FSCTL_INVALIDATE_VOLUMES"},
|
|
{0x00090058, "FSCTL_QUERY_FAT_BPB"},
|
|
{0x0009005C, "FSCTL_REQUEST_FILTER_OPLOCK"},
|
|
{0x00090060, "FSCTL_FILESYSTEM_GET_STATISTICS"},
|
|
{0x00090064, "FSCTL_GET_NTFS_VOLUME_DATA"},
|
|
{0x00090068, "FSCTL_GET_NTFS_FILE_RECORD"},
|
|
{0x0009006F, "FSCTL_GET_VOLUME_BITMAP"},
|
|
{0x00090073, "FSCTL_GET_RETRIEVAL_POINTERS"},
|
|
{0x00090074, "FSCTL_MOVE_FILE"},
|
|
{0x00090078, "FSCTL_IS_VOLUME_DIRTY"},
|
|
{0x0009007C, "FSCTL_GET_HFS_INFORMATION"},
|
|
{0x00090083, "FSCTL_ALLOW_EXTENDED_DASD_IO"},
|
|
{0x00090087, "FSCTL_READ_PROPERTY_DATA"},
|
|
{0x0009008B, "FSCTL_WRITE_PROPERTY_DATA"},
|
|
{0x0009008F, "FSCTL_FIND_FILES_BY_SID"},
|
|
{0x00090097, "FSCTL_DUMP_PROPERTY_DATA"},
|
|
{0x000980A4, "FSCTL_SET_REPARSE_POINT"},
|
|
{0x000900A8, "FSCTL_GET_REPARSE_POINT"},
|
|
{0x000980AC, "FSCTL_DELETE_REPARSE_POINT"},
|
|
{0x000940B3, "FSCTL_ENUM_USN_DATA"},
|
|
{0x000940B7, "FSCTL_SECURITY_ID_CHECK"},
|
|
{0x000940BB, "FSCTL_READ_USN_JOURNAL"},
|
|
{0x000980C4, "FSCTL_SET_SPARSE"},
|
|
{0x000980C8, "FSCTL_SET_ZERO_DATA"},
|
|
{0x000940CF, "FSCTL_QUERY_ALLOCATED_RANGES"},
|
|
{0x000980D0, "FSCTL_ENABLE_UPGRADE"},
|
|
{0x000900D4, "FSCTL_SET_ENCRYPTION"},
|
|
{0x000900DB, "FSCTL_ENCRYPTION_FSCTL_IO"},
|
|
{0x000900DF, "FSCTL_WRITE_RAW_ENCRYPTED"},
|
|
{0x000900E3, "FSCTL_READ_RAW_ENCRYPTED"},
|
|
{0x000940E7, "FSCTL_CREATE_USN_JOURNAL"},
|
|
{0x000940EB, "FSCTL_READ_FILE_USN_DATA"},
|
|
{0x000940EF, "FSCTL_WRITE_USN_CLOSE_RECORD"},
|
|
{0x000900F0, "FSCTL_EXTEND_VOLUME"},
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static const value_string smb2_ioctl_device_vals[] = {
|
|
{ 0x0001, "BEEP" },
|
|
{ 0x0002, "CD_ROM" },
|
|
{ 0x0003, "CD_ROM_FILE_SYSTEM" },
|
|
{ 0x0004, "CONTROLLER" },
|
|
{ 0x0005, "DATALINK" },
|
|
{ 0x0006, "DFS" },
|
|
{ 0x0007, "DISK" },
|
|
{ 0x0008, "DISK_FILE_SYSTEM" },
|
|
{ 0x0009, "FILE_SYSTEM" },
|
|
{ 0x000a, "INPORT_PORT" },
|
|
{ 0x000b, "KEYBOARD" },
|
|
{ 0x000c, "MAILSLOT" },
|
|
{ 0x000d, "MIDI_IN" },
|
|
{ 0x000e, "MIDI_OUT" },
|
|
{ 0x000f, "MOUSE" },
|
|
{ 0x0010, "MULTI_UNC_PROVIDER" },
|
|
{ 0x0011, "NAMED_PIPE" },
|
|
{ 0x0012, "NETWORK" },
|
|
{ 0x0013, "NETWORK_BROWSER" },
|
|
{ 0x0014, "NETWORK_FILE_SYSTEM" },
|
|
{ 0x0015, "NULL" },
|
|
{ 0x0016, "PARALLEL_PORT" },
|
|
{ 0x0017, "PHYSICAL_NETCARD" },
|
|
{ 0x0018, "PRINTER" },
|
|
{ 0x0019, "SCANNER" },
|
|
{ 0x001a, "SERIAL_MOUSE_PORT" },
|
|
{ 0x001b, "SERIAL_PORT" },
|
|
{ 0x001c, "SCREEN" },
|
|
{ 0x001d, "SOUND" },
|
|
{ 0x001e, "STREAMS" },
|
|
{ 0x001f, "TAPE" },
|
|
{ 0x0020, "TAPE_FILE_SYSTEM" },
|
|
{ 0x0021, "TRANSPORT" },
|
|
{ 0x0022, "UNKNOWN" },
|
|
{ 0x0023, "VIDEO" },
|
|
{ 0x0024, "VIRTUAL_DISK" },
|
|
{ 0x0025, "WAVE_IN" },
|
|
{ 0x0026, "WAVE_OUT" },
|
|
{ 0x0027, "8042_PORT" },
|
|
{ 0x0028, "NETWORK_REDIRECTOR" },
|
|
{ 0x0029, "BATTERY" },
|
|
{ 0x002a, "BUS_EXTENDER" },
|
|
{ 0x002b, "MODEM" },
|
|
{ 0x002c, "VDM" },
|
|
{ 0x002d, "MASS_STORAGE" },
|
|
{ 0x002e, "SMB" },
|
|
{ 0x002f, "KS" },
|
|
{ 0x0030, "CHANGER" },
|
|
{ 0x0031, "SMARTCARD" },
|
|
{ 0x0032, "ACPI" },
|
|
{ 0x0033, "DVD" },
|
|
{ 0x0034, "FULLSCREEN_VIDEO" },
|
|
{ 0x0035, "DFS_FILE_SYSTEM" },
|
|
{ 0x0036, "DFS_VOLUME" },
|
|
{ 0x0037, "SERENUM" },
|
|
{ 0x0038, "TERMSRV" },
|
|
{ 0x0039, "KSEC" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string smb2_ioctl_access_vals[] = {
|
|
{ 0x00, "FILE_ANY_ACCESS" },
|
|
{ 0x01, "FILE_READ_ACCESS" },
|
|
{ 0x02, "FILE_WRITE_ACCESS" },
|
|
{ 0x03, "FILE_READ_WRITE_ACCESS" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string smb2_ioctl_method_vals[] = {
|
|
{ 0x00, "METHOD_BUFFERED" },
|
|
{ 0x01, "METHOD_IN_DIRECT" },
|
|
{ 0x02, "METHOD_OUT_DIRECT" },
|
|
{ 0x03, "METHOD_NEITHER" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* this is called from both smb and smb2. */
|
|
int
|
|
dissect_smb2_ioctl_function(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, int offset, guint32 *ioctlfunc)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint32 ioctl_function;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_ioctl_function, tvb, offset, 4, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_ioctl_function);
|
|
}
|
|
|
|
ioctl_function=tvb_get_letohl(tvb, offset);
|
|
if (ioctlfunc)
|
|
*ioctlfunc=ioctl_function;
|
|
if(ioctl_function){
|
|
/* device */
|
|
proto_tree_add_item(tree, hf_smb2_ioctl_function_device, tvb, offset, 4, TRUE);
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(
|
|
pinfo->cinfo, COL_INFO, " %s",
|
|
val_to_str((ioctl_function>>16)&0xffff, smb2_ioctl_device_vals,
|
|
"Unknown (0x%08X)"));
|
|
}
|
|
|
|
/* access */
|
|
proto_tree_add_item(tree, hf_smb2_ioctl_function_access, tvb, offset, 4, TRUE);
|
|
|
|
/* function */
|
|
proto_tree_add_item(tree, hf_smb2_ioctl_function_function, tvb, offset, 4, TRUE);
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(
|
|
pinfo->cinfo, COL_INFO, " Function:0x%04x",
|
|
(ioctl_function>>2)&0x0fff);
|
|
}
|
|
|
|
/* method */
|
|
proto_tree_add_item(tree, hf_smb2_ioctl_function_method, tvb, offset, 4, TRUE);
|
|
}
|
|
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* fake the dce/rpc support structures so we can piggy back on
|
|
* dissect_nt_policy_hnd() since this will allow us
|
|
* a cheap way to track where FIDs are opened, closed
|
|
* and fid->filename mappings
|
|
* if we want to do those things in the future.
|
|
*/
|
|
#define FID_MODE_OPEN 0
|
|
#define FID_MODE_CLOSE 1
|
|
#define FID_MODE_USE 2
|
|
#define FID_MODE_DHNQ 3
|
|
#define FID_MODE_DHNC 4
|
|
static int
|
|
dissect_smb2_fid(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si, int mode)
|
|
{
|
|
guint8 drep[4] = { 0x10, 0x00, 0x00, 0x00}; /* fake DREP struct */
|
|
static dcerpc_info di; /* fake dcerpc_info struct */
|
|
static dcerpc_call_value call_data;
|
|
void *old_private_data;
|
|
e_ctx_hnd policy_hnd;
|
|
proto_item *hnd_item=NULL;
|
|
char *fid_name;
|
|
guint32 open_frame = 0, close_frame = 0;
|
|
|
|
di.conformant_run=0;
|
|
/* we need di->call_data->flags.NDR64 == 0 */
|
|
di.call_data=&call_data;
|
|
old_private_data=pinfo->private_data;
|
|
pinfo->private_data=&di;
|
|
|
|
switch(mode){
|
|
case FID_MODE_OPEN:
|
|
offset = dissect_nt_guid_hnd(tvb, offset, pinfo, tree, drep, hf_smb2_fid, &policy_hnd, &hnd_item, TRUE, FALSE);
|
|
if(!pinfo->fd->flags.visited){
|
|
if(si->saved && si->saved->extra_info_type==SMB2_EI_FILENAME){
|
|
fid_name = se_strdup_printf("File: %s", (char *)si->saved->extra_info);
|
|
} else {
|
|
fid_name = se_strdup_printf("File: ");
|
|
}
|
|
dcerpc_store_polhnd_name(&policy_hnd, pinfo,
|
|
fid_name);
|
|
}
|
|
break;
|
|
case FID_MODE_CLOSE:
|
|
offset = dissect_nt_guid_hnd(tvb, offset, pinfo, tree, drep, hf_smb2_fid, &policy_hnd, &hnd_item, FALSE, TRUE);
|
|
break;
|
|
case FID_MODE_USE:
|
|
case FID_MODE_DHNQ:
|
|
case FID_MODE_DHNC:
|
|
offset = dissect_nt_guid_hnd(tvb, offset, pinfo, tree, drep, hf_smb2_fid, &policy_hnd, &hnd_item, FALSE, FALSE);
|
|
break;
|
|
}
|
|
|
|
pinfo->private_data=old_private_data;
|
|
|
|
|
|
/* put the filename in col_info */
|
|
if (dcerpc_fetch_polhnd_data(&policy_hnd, &fid_name, NULL, &open_frame, &close_frame, pinfo->fd->num)) {
|
|
if(fid_name){
|
|
if(hnd_item){
|
|
proto_item_append_text(hnd_item, " %s", fid_name);
|
|
}
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " %s", fid_name);
|
|
}
|
|
}
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
/* this info level is unique to SMB2 and differst from the corresponding
|
|
* SMB_FILE_ALL_INFO in SMB
|
|
*/
|
|
static int
|
|
dissect_smb2_file_all_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
int length;
|
|
const char *name="";
|
|
guint16 bc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_all_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_all_info);
|
|
}
|
|
|
|
/* create time */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_create_timestamp);
|
|
|
|
/* last access */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_access_timestamp);
|
|
|
|
/* last write */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_write_timestamp);
|
|
|
|
/* last change */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_change_timestamp);
|
|
|
|
/* File Attributes */
|
|
offset = dissect_file_ext_attr(tvb, tree, offset);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
|
|
/* allocation size */
|
|
proto_tree_add_item(tree, hf_smb2_allocation_size, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* end of file */
|
|
proto_tree_add_item(tree, hf_smb2_end_of_file, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* number of links */
|
|
proto_tree_add_item(tree, hf_smb2_nlinks, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* delete pending */
|
|
proto_tree_add_item(tree, hf_smb2_delete_pending, tvb, offset, 1, TRUE);
|
|
offset += 1;
|
|
|
|
/* is directory */
|
|
proto_tree_add_item(tree, hf_smb2_is_directory, tvb, offset, 1, TRUE);
|
|
offset += 1;
|
|
|
|
/* padding */
|
|
offset += 2;
|
|
|
|
/* file id */
|
|
proto_tree_add_item(tree, hf_smb2_file_id, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* ea size */
|
|
proto_tree_add_item(tree, hf_smb2_ea_size, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* access mask */
|
|
offset = dissect_smb_access_mask(tvb, tree, offset);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 16, FALSE);
|
|
offset += 16;
|
|
|
|
/* file name length */
|
|
length=tvb_get_letohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_filename_len, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
/* file name */
|
|
if(length){
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
name = get_unicode_or_ascii_string(tvb, &offset,
|
|
TRUE, &length, TRUE, TRUE, &bc);
|
|
if(name){
|
|
proto_tree_add_string(tree, hf_smb2_filename, tvb,
|
|
offset, length, name);
|
|
}
|
|
|
|
}
|
|
offset += length;
|
|
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_smb2_file_allocation_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
gboolean trunc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_allocation_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_allocation_info);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset = dissect_qsfi_SMB_FILE_ALLOCATION_INFO(tvb, pinfo, tree, offset, &bc, &trunc);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_file_endoffile_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
gboolean trunc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_endoffile_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_endoffile_info);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset = dissect_qsfi_SMB_FILE_ENDOFFILE_INFO(tvb, pinfo, tree, offset, &bc, &trunc);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_file_alternate_name_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
gboolean trunc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_alternate_name_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_alternate_name_info);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset = dissect_qfi_SMB_FILE_NAME_INFO(tvb, pinfo, tree, offset, &bc, &trunc);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_smb2_file_basic_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_basic_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_basic_info);
|
|
}
|
|
|
|
/* create time */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_create_timestamp);
|
|
|
|
/* last access */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_access_timestamp);
|
|
|
|
/* last write */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_write_timestamp);
|
|
|
|
/* last change */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_change_timestamp);
|
|
|
|
/* File Attributes */
|
|
offset = dissect_file_ext_attr(tvb, tree, offset);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_file_standard_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
gboolean trunc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_standard_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_standard_info);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset = dissect_qfi_SMB_FILE_STANDARD_INFO(tvb, pinfo, tree, offset, &bc, &trunc);
|
|
|
|
return offset;
|
|
}
|
|
static int
|
|
dissect_smb2_file_internal_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
gboolean trunc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_internal_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_internal_info);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset = dissect_qfi_SMB_FILE_INTERNAL_INFO(tvb, pinfo, tree, offset, &bc, &trunc);
|
|
|
|
return offset;
|
|
}
|
|
static int
|
|
dissect_smb2_file_mode_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
gboolean trunc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_mode_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_mode_info);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset = dissect_qsfi_SMB_FILE_MODE_INFO(tvb, pinfo, tree, offset, &bc, &trunc);
|
|
|
|
return offset;
|
|
}
|
|
static int
|
|
dissect_smb2_file_alignment_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
gboolean trunc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_alignment_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_alignment_info);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset = dissect_qfi_SMB_FILE_ALIGNMENT_INFO(tvb, pinfo, tree, offset, &bc, &trunc);
|
|
|
|
return offset;
|
|
}
|
|
static int
|
|
dissect_smb2_file_position_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
gboolean trunc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_position_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_position_info);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset = dissect_qsfi_SMB_FILE_POSITION_INFO(tvb, pinfo, tree, offset, &bc, &trunc);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_file_access_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_access_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_access_info);
|
|
}
|
|
|
|
/* access mask */
|
|
offset = dissect_smb_access_mask(tvb, tree, offset);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_file_ea_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
gboolean trunc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_ea_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_ea_info);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset = dissect_qfi_SMB_FILE_EA_INFO(tvb, pinfo, tree, offset, &bc, &trunc);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_file_stream_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
gboolean trunc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_stream_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_stream_info);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset = dissect_qfi_SMB_FILE_STREAM_INFO(tvb, pinfo, tree, offset, &bc, &trunc, TRUE);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_file_pipe_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
gboolean trunc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_pipe_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_pipe_info);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset = dissect_sfi_SMB_FILE_PIPE_INFO(tvb, pinfo, tree, offset, &bc, &trunc);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_file_compression_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
gboolean trunc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_compression_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_compression_info);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset = dissect_qfi_SMB_FILE_COMPRESSION_INFO(tvb, pinfo, tree, offset, &bc, &trunc);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_file_network_open_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
gboolean trunc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_network_open_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_network_open_info);
|
|
}
|
|
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset = dissect_qfi_SMB_FILE_NETWORK_OPEN_INFO(tvb, pinfo, tree, offset, &bc, &trunc);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_file_attribute_tag_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
gboolean trunc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_attribute_tag_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_attribute_tag_info);
|
|
}
|
|
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset = dissect_qfi_SMB_FILE_ATTRIBUTE_TAG_INFO(tvb, pinfo, tree, offset, &bc, &trunc);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static const true_false_string tfs_disposition_delete_on_close = {
|
|
"DELETE this file when closed",
|
|
"Normal access, do not delete on close"
|
|
};
|
|
|
|
static int
|
|
dissect_smb2_file_disposition_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_disposition_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_disposition_info);
|
|
}
|
|
|
|
/* file disposition */
|
|
proto_tree_add_item(tree, hf_smb2_disposition_delete_on_close, tvb, offset, 1, TRUE);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_file_info_0f(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint32 next_offset;
|
|
guint8 ea_name_len, ea_data_len;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_info_0f, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_info_0f);
|
|
}
|
|
|
|
while(1){
|
|
int length;
|
|
const char *name="";
|
|
const char *data="";
|
|
guint16 bc;
|
|
int start_offset=offset;
|
|
proto_item *ea_item=NULL;
|
|
proto_tree *ea_tree=NULL;
|
|
|
|
if(tree){
|
|
ea_item = proto_tree_add_text(tree, tvb, offset, -1, "EA:");
|
|
ea_tree = proto_item_add_subtree(ea_item, ett_smb2_ea);
|
|
}
|
|
|
|
/* next offset */
|
|
next_offset=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(ea_tree, hf_smb2_next_offset, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* EA flags */
|
|
proto_tree_add_item(ea_tree, hf_smb2_ea_flags, tvb, offset, 1, TRUE);
|
|
offset += 1;
|
|
|
|
/* EA Name Length */
|
|
ea_name_len=tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(ea_tree, hf_smb2_ea_name_len, tvb, offset, 1, TRUE);
|
|
offset += 1;
|
|
|
|
/* EA Data Length */
|
|
ea_data_len=tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(ea_tree, hf_smb2_ea_data_len, tvb, offset, 1, TRUE);
|
|
offset += 1;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(ea_tree, hf_smb2_unknown, tvb, offset, 1, TRUE);
|
|
offset += 1;
|
|
|
|
/* ea name */
|
|
length=ea_name_len;
|
|
if(length){
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
name = get_unicode_or_ascii_string(tvb, &offset,
|
|
FALSE, &length, TRUE, TRUE, &bc);
|
|
if(name){
|
|
proto_tree_add_string(ea_tree, hf_smb2_ea_name, tvb,
|
|
offset, length, name);
|
|
}
|
|
}
|
|
offset += ea_name_len;
|
|
|
|
/* separator byte */
|
|
offset += 1;
|
|
|
|
/* ea data */
|
|
length=ea_data_len;
|
|
if(length){
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
data = get_unicode_or_ascii_string(tvb, &offset,
|
|
FALSE, &length, TRUE, TRUE, &bc);
|
|
if(data){
|
|
proto_tree_add_string(ea_tree, hf_smb2_ea_data, tvb,
|
|
offset, length, data);
|
|
}
|
|
}
|
|
offset += ea_data_len;
|
|
|
|
|
|
if(ea_item){
|
|
proto_item_append_text(ea_item, " %s := %s", name, data);
|
|
}
|
|
proto_item_set_len(ea_item, offset-start_offset);
|
|
|
|
|
|
if(!next_offset){
|
|
break;
|
|
}
|
|
if(next_offset>256){
|
|
break;
|
|
}
|
|
|
|
offset = start_offset+next_offset;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_file_rename_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
int length;
|
|
const char *name="";
|
|
guint16 bc;
|
|
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_rename_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_rename_info);
|
|
}
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 16, FALSE);
|
|
offset += 16;
|
|
|
|
/* file name length */
|
|
length=tvb_get_letohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_filename_len, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
/* file name */
|
|
if(length){
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
name = get_unicode_or_ascii_string(tvb, &offset,
|
|
TRUE, &length, TRUE, TRUE, &bc);
|
|
if(name){
|
|
proto_tree_add_string(tree, hf_smb2_filename, tvb,
|
|
offset, length, name);
|
|
}
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " NewName:%s",
|
|
name);
|
|
}
|
|
}
|
|
offset += length;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_sec_info_00(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_sec_info_00, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_sec_info_00);
|
|
}
|
|
|
|
/* security descriptor */
|
|
offset = dissect_nt_sec_desc(tvb, offset, pinfo, tree, NULL, TRUE, tvb_length_remaining(tvb, offset), NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_fs_info_05(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_fs_info_05, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_fs_info_05);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset=dissect_qfsi_FS_ATTRIBUTE_INFO(tvb, pinfo, tree, offset, &bc, TRUE);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_fs_info_06(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_fs_info_06, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_fs_info_06);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset=dissect_nt_quota(tvb, tree, offset, &bc);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_FS_OBJECTID_INFO(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_fs_objectid_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_fs_objectid_info);
|
|
}
|
|
|
|
/* FILE_OBJECTID_BUFFER */
|
|
offset=dissect_smb2_FILE_OBJECTID_BUFFER(tvb, pinfo, tree, offset);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_fs_info_07(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_fs_info_07, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_fs_info_07);
|
|
}
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset=dissect_qfsi_FS_FULL_SIZE_INFO(tvb, pinfo, tree, offset, &bc);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_fs_info_01(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_fs_info_01, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_fs_info_01);
|
|
}
|
|
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset=dissect_qfsi_FS_VOLUME_INFO(tvb, pinfo, tree, offset, &bc, TRUE);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_fs_info_03(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_fs_info_03, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_fs_info_03);
|
|
}
|
|
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset=dissect_qfsi_FS_SIZE_INFO(tvb, pinfo, tree, offset, &bc);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_fs_info_04(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
guint16 bc;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_fs_info_04, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_fs_info_04);
|
|
}
|
|
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
offset=dissect_qfsi_FS_DEVICE_INFO(tvb, pinfo, tree, offset, &bc);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static const value_string oplock_vals[] = {
|
|
{ 0x00, "No oplock" },
|
|
{ 0x01, "Level2 oplock" },
|
|
{ 0x08, "Exclusive oplock" },
|
|
{ 0x09, "Batch oplock" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_smb2_oplock(proto_tree *parent_tree, tvbuff_t *tvb, int offset)
|
|
{
|
|
proto_tree_add_item(parent_tree, hf_smb2_oplock, tvb, offset, 1, TRUE);
|
|
|
|
offset += 1;
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_buffercode(proto_tree *tree, tvbuff_t *tvb, int offset, guint16 *length)
|
|
{
|
|
guint16 buffer_code;
|
|
|
|
/* dissect the first 2 bytes of the command PDU */
|
|
buffer_code = tvb_get_letohs(tvb, offset);
|
|
proto_tree_add_uint(tree, hf_smb2_buffer_code_len, tvb, offset, 2, buffer_code&0xfffe);
|
|
proto_tree_add_item(tree, hf_smb2_buffer_code_flags_dyn, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
if(length){
|
|
*length=buffer_code&0xfffe;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
#define NEGPROT_CAP_DFS 0x00000001
|
|
#define NEGPROT_CAP_LEASING 0x00000002
|
|
#define NEGPROT_CAP_LARGE_MTU 0x00000004
|
|
static int
|
|
dissect_smb2_capabilities(proto_tree *parent_tree, tvbuff_t *tvb, int offset)
|
|
{
|
|
guint32 cap;
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
cap = tvb_get_letohl(tvb, offset);
|
|
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_capabilities, tvb, offset, 4, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_capabilities);
|
|
|
|
|
|
proto_tree_add_boolean(tree, hf_smb2_cap_dfs, tvb, offset, 4, cap);
|
|
proto_tree_add_boolean(tree, hf_smb2_cap_leasing, tvb, offset, 4, cap);
|
|
proto_tree_add_boolean(tree, hf_smb2_cap_large_mtu, tvb, offset, 4, cap);
|
|
|
|
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
#define NEGPROT_SIGN_REQ 0x0002
|
|
#define NEGPROT_SIGN_ENABLED 0x0001
|
|
|
|
static int
|
|
dissect_smb2_secmode(proto_tree *parent_tree, tvbuff_t *tvb, int offset)
|
|
{
|
|
guint8 sm;
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
sm = tvb_get_guint8(tvb, offset);
|
|
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_security_mode, tvb, offset, 1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_sec_mode);
|
|
|
|
|
|
proto_tree_add_boolean(tree, hf_smb2_secmode_flags_sign_required, tvb, offset, 1, sm);
|
|
proto_tree_add_boolean(tree, hf_smb2_secmode_flags_sign_enabled, tvb, offset, 1, sm);
|
|
|
|
|
|
offset += 1;
|
|
|
|
return offset;
|
|
}
|
|
|
|
#define SES_FLAGS_GUEST 0x0001
|
|
#define SES_FLAGS_NULL 0x0002
|
|
|
|
static int
|
|
dissect_smb2_ses_flags(proto_tree *parent_tree, tvbuff_t *tvb, int offset)
|
|
{
|
|
guint16 sf;
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
sf = tvb_get_letohs(tvb, offset);
|
|
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_session_flags, tvb, offset, 2, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_ses_flags);
|
|
|
|
|
|
proto_tree_add_boolean(tree, hf_smb2_ses_flags_null, tvb, offset, 2, sf);
|
|
proto_tree_add_boolean(tree, hf_smb2_ses_flags_guest, tvb, offset, 2, sf);
|
|
|
|
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
#define SHARE_FLAGS_manual_caching 0x00000000
|
|
#define SHARE_FLAGS_auto_caching 0x00000010
|
|
#define SHARE_FLAGS_vdo_caching 0x00000020
|
|
#define SHARE_FLAGS_no_caching 0x00000030
|
|
|
|
static const value_string share_cache_vals[] = {
|
|
{ SHARE_FLAGS_manual_caching, "Manual caching" },
|
|
{ SHARE_FLAGS_auto_caching, "Auto caching" },
|
|
{ SHARE_FLAGS_vdo_caching, "VDO caching" },
|
|
{ SHARE_FLAGS_no_caching, "No caching" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define SHARE_FLAGS_dfs 0x00000001
|
|
#define SHARE_FLAGS_dfs_root 0x00000002
|
|
#define SHARE_FLAGS_restrict_exclusive_opens 0x00000100
|
|
#define SHARE_FLAGS_force_shared_delete 0x00000200
|
|
#define SHARE_FLAGS_allow_namespace_caching 0x00000400
|
|
#define SHARE_FLAGS_access_based_dir_enum 0x00000800
|
|
#define SHARE_FLAGS_force_levelii_oplock 0x00001000
|
|
#define SHARE_FLAGS_enable_hash 0x00002000
|
|
|
|
static int
|
|
dissect_smb2_share_flags(proto_tree *tree, tvbuff_t *tvb, int offset)
|
|
{
|
|
static const int *sf_fields[] = {
|
|
&hf_smb2_share_flags_dfs,
|
|
&hf_smb2_share_flags_dfs_root,
|
|
&hf_smb2_share_flags_restrict_exclusive_opens,
|
|
&hf_smb2_share_flags_force_shared_delete,
|
|
&hf_smb2_share_flags_allow_namespace_caching,
|
|
&hf_smb2_share_flags_access_based_dir_enum,
|
|
&hf_smb2_share_flags_force_levelii_oplock,
|
|
&hf_smb2_share_flags_enable_hash,
|
|
NULL
|
|
};
|
|
proto_item *item;
|
|
guint32 cp;
|
|
|
|
item = proto_tree_add_bitmask(tree, tvb, offset, hf_smb2_share_flags, ett_smb2_share_flags, sf_fields, TRUE);
|
|
|
|
cp = tvb_get_letohl(tvb, offset);
|
|
cp &= 0x00000030;
|
|
proto_tree_add_uint_format(item, hf_smb2_share_caching, tvb, offset, 4, cp, "Caching policy: %s (%08x)", val_to_str(cp, share_cache_vals, "Unknown:%u"), cp);
|
|
|
|
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
#define SHARE_CAPS_DFS 0x00000008
|
|
|
|
static int
|
|
dissect_smb2_share_caps(proto_tree *tree, tvbuff_t *tvb, int offset)
|
|
{
|
|
static const int *sc_fields[] = {
|
|
&hf_smb2_share_caps_dfs,
|
|
NULL
|
|
};
|
|
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_smb2_share_caps, ett_smb2_share_caps, sc_fields, TRUE);
|
|
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_secblob(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si _U_)
|
|
{
|
|
if( (tvb_length(tvb)>=7)
|
|
&& (!tvb_memeql(tvb, 0, "NTLMSSP", 7))){
|
|
call_dissector(ntlmssp_handle, tvb, pinfo, tree);
|
|
} else {
|
|
call_dissector(gssapi_handle, tvb, pinfo, tree);
|
|
}
|
|
return;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_session_setup_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
offset_length_buffer_t s_olb;
|
|
const ntlmssp_header_t *ntlmssph;
|
|
static int ntlmssp_tap_id = 0;
|
|
int idx;
|
|
|
|
if(!ntlmssp_tap_id){
|
|
GString *error_string;
|
|
/* We dont specify any callbacks at all.
|
|
* Instead we manually fetch the tapped data after the
|
|
* security blob has been fully dissected and before
|
|
* we exit from this dissector.
|
|
*/
|
|
error_string=register_tap_listener("ntlmssp", NULL, NULL,
|
|
TL_IS_DISSECTOR_HELPER, NULL, NULL, NULL);
|
|
if(!error_string){
|
|
ntlmssp_tap_id=find_tap_id("ntlmssp");
|
|
}
|
|
}
|
|
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
/* some unknown bytes */
|
|
|
|
/* num vcs */
|
|
proto_tree_add_item(tree, hf_smb2_vcnum, tvb, offset, 1, TRUE);
|
|
offset += 1;
|
|
|
|
/* security mode */
|
|
offset = dissect_smb2_secmode(tree, tvb, offset);
|
|
|
|
/* capabilities */
|
|
offset = dissect_smb2_capabilities(tree, tvb, offset);
|
|
|
|
/* channel */
|
|
proto_tree_add_item(tree, hf_smb2_channel, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* security blob offset/length */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &s_olb, OLB_O_UINT16_S_UINT16, hf_smb2_security_blob);
|
|
|
|
/* previous session id */
|
|
proto_tree_add_item(tree, hf_smb2_previous_sesid, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
|
|
/* the security blob itself */
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &s_olb, si, dissect_smb2_secblob);
|
|
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &s_olb);
|
|
|
|
/* If we have found a uid->acct_name mapping, store it */
|
|
if(!pinfo->fd->flags.visited){
|
|
idx=0;
|
|
while((ntlmssph=fetch_tapped_data(ntlmssp_tap_id, idx++)) != NULL){
|
|
if(ntlmssph && ntlmssph->type==3){
|
|
smb2_sesid_info_t *sesid;
|
|
sesid=se_alloc(sizeof(smb2_sesid_info_t));
|
|
sesid->sesid=si->sesid;
|
|
sesid->acct_name=se_strdup(ntlmssph->acct_name);
|
|
sesid->domain_name=se_strdup(ntlmssph->domain_name);
|
|
sesid->host_name=se_strdup(ntlmssph->host_name);
|
|
sesid->auth_frame=pinfo->fd->num;
|
|
sesid->tids= g_hash_table_new(smb2_tid_info_hash, smb2_tid_info_equal);
|
|
g_hash_table_insert(si->conv->sesids, sesid, sesid);
|
|
}
|
|
}
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_error_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
gint byte_count;
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
|
|
/* Reserved (2 bytes) */
|
|
proto_tree_add_item(tree, hf_smb2_error_reserved, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* ByteCount (4 bytes): The number of bytes of data contained in ErrorData[]. */
|
|
byte_count = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_error_byte_count, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* If the ByteCount field is zero then the server MUST supply an ErrorData field
|
|
that is one byte in length */
|
|
if (byte_count == 0) byte_count = 1;
|
|
|
|
/* ErrorData (variable): A variable-length data field that contains extended
|
|
error information.*/
|
|
proto_tree_add_item(tree, hf_smb2_error_data, tvb, offset, byte_count, TRUE);
|
|
offset += byte_count;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_session_setup_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
offset_length_buffer_t s_olb;
|
|
|
|
/* session_setup is special and we don't use dissect_smb2_error_response() here! */
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* session flags */
|
|
offset = dissect_smb2_ses_flags(tree, tvb, offset);
|
|
|
|
/* security blob offset/length */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &s_olb, OLB_O_UINT16_S_UINT16, hf_smb2_security_blob);
|
|
|
|
/* the security blob itself */
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &s_olb, si, dissect_smb2_secblob);
|
|
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &s_olb);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_tree_connect_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
offset_length_buffer_t olb;
|
|
const char *buf;
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* reserved */
|
|
offset += 2;
|
|
|
|
/* tree offset/length */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &olb, OLB_O_UINT16_S_UINT16, hf_smb2_tree);
|
|
|
|
/* tree string */
|
|
buf = dissect_smb2_olb_string(pinfo, tree, tvb, &olb, OLB_TYPE_UNICODE_STRING);
|
|
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &olb);
|
|
|
|
/* treelen +1 is overkill here if the string is unicode,
|
|
* but who ever has more than a handful of TCON in a trace anyways
|
|
*/
|
|
if(!pinfo->fd->flags.visited && si->saved && buf && olb.len){
|
|
si->saved->extra_info_type=SMB2_EI_TREENAME;
|
|
si->saved->extra_info=se_alloc(olb.len+1);
|
|
g_snprintf((char *)si->saved->extra_info,olb.len+1,"%s",buf);
|
|
}
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " Tree: %s", buf);
|
|
}
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int
|
|
dissect_smb2_tree_connect_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
guint16 share_type;
|
|
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* share type */
|
|
share_type = tvb_get_letohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_share_type, tvb, offset, 1, TRUE);
|
|
/* Next byte is reserved and must be set to zero */
|
|
offset += 2;
|
|
|
|
if(!pinfo->fd->flags.visited && si->saved && si->saved->extra_info_type==SMB2_EI_TREENAME && si->session) {
|
|
smb2_tid_info_t *tid, tid_key;
|
|
|
|
tid_key.tid=si->tid;
|
|
tid=g_hash_table_lookup(si->session->tids, &tid_key);
|
|
if(tid){
|
|
g_hash_table_remove(si->session->tids, &tid_key);
|
|
}
|
|
tid=se_alloc(sizeof(smb2_tid_info_t));
|
|
tid->tid=si->tid;
|
|
tid->name=(char *)si->saved->extra_info;
|
|
tid->connect_frame=pinfo->fd->num;
|
|
tid->share_type=share_type;
|
|
|
|
g_hash_table_insert(si->session->tids, tid, tid);
|
|
|
|
si->saved->extra_info_type=SMB2_EI_NONE;
|
|
si->saved->extra_info=NULL;
|
|
}
|
|
|
|
/* share flags */
|
|
offset = dissect_smb2_share_flags(tree, tvb, offset);
|
|
|
|
/* share capabilities */
|
|
offset = dissect_smb2_share_caps(tree, tvb, offset);
|
|
|
|
/* this is some sort of access mask */
|
|
offset = dissect_smb_access_mask(tvb, tree, offset);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_tree_disconnect_request(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* reserved */
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_tree_disconnect_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* reserved */
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_sessionlogoff_request(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* reserved bytes */
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_sessionlogoff_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* reserved bytes */
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_keepalive_request(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_keepalive_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_notify_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
proto_tree *flags_tree = NULL;
|
|
proto_item *flags_item = NULL;
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* notify flags */
|
|
if (tree) {
|
|
flags_item = proto_tree_add_item(tree, hf_smb2_notify_flags, tvb, offset, 2, TRUE);
|
|
flags_tree = proto_item_add_subtree(flags_item, ett_smb2_notify_flags);
|
|
}
|
|
proto_tree_add_item(flags_tree, hf_smb2_notify_watch_tree, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* output buffer length */
|
|
proto_tree_add_item(tree, hf_smb2_output_buffer_len, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_USE);
|
|
|
|
/* completion filter */
|
|
offset = dissect_nt_notify_completion_filter(tvb, tree, offset);
|
|
|
|
/* reserved */
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_notify_data_out(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, smb2_info_t *si _U_)
|
|
{
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, 0, tvb_length(tvb), TRUE);
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_notify_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
offset_length_buffer_t olb;
|
|
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* out buffer offset/length */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &olb, OLB_O_UINT16_S_UINT32, hf_smb2_notify_out_data);
|
|
|
|
/* out buffer */
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &olb, si, dissect_smb2_notify_data_out);
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &olb);
|
|
|
|
return offset;
|
|
}
|
|
|
|
#define SMB2_FIND_FLAG_RESTART_SCANS 0x01
|
|
#define SMB2_FIND_FLAG_SINGLE_ENTRY 0x02
|
|
#define SMB2_FIND_FLAG_INDEX_SPECIFIED 0x04
|
|
#define SMB2_FIND_FLAG_REOPEN 0x10
|
|
|
|
static int
|
|
dissect_smb2_find_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
offset_length_buffer_t olb;
|
|
const char *buf;
|
|
guint8 il;
|
|
static const int *f_fields[] = {
|
|
&hf_smb2_find_flags_restart_scans,
|
|
&hf_smb2_find_flags_single_entry,
|
|
&hf_smb2_find_flags_index_specified,
|
|
&hf_smb2_find_flags_reopen,
|
|
NULL
|
|
};
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
il=tvb_get_guint8(tvb, offset);
|
|
if(si->saved){
|
|
si->saved->infolevel=il;
|
|
}
|
|
|
|
/* infolevel */
|
|
proto_tree_add_uint(tree, hf_smb2_find_info_level, tvb, offset, 1, il);
|
|
offset += 1;
|
|
|
|
/* find flags */
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_smb2_find_flags, ett_smb2_find_flags, f_fields, TRUE);
|
|
offset += 1;
|
|
|
|
/* file index */
|
|
proto_tree_add_item(tree, hf_smb2_file_index, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_USE);
|
|
|
|
/* search pattern offset/length */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &olb, OLB_O_UINT16_S_UINT16, hf_smb2_find_pattern);
|
|
|
|
/* output buffer length */
|
|
proto_tree_add_item(tree, hf_smb2_output_buffer_len, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* search pattern */
|
|
buf = dissect_smb2_olb_string(pinfo, tree, tvb, &olb, OLB_TYPE_UNICODE_STRING);
|
|
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &olb);
|
|
|
|
if(!pinfo->fd->flags.visited && si->saved && olb.len){
|
|
si->saved->extra_info_type=SMB2_EI_FINDPATTERN;
|
|
si->saved->extra_info=g_malloc(olb.len+1);
|
|
g_snprintf((char *)si->saved->extra_info,olb.len+1,"%s",buf);
|
|
}
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " %s Pattern: %s",
|
|
val_to_str(il, smb2_find_info_levels, "(Level:0x%02x)"),
|
|
buf);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static void dissect_smb2_file_directory_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, smb2_info_t *si _U_)
|
|
{
|
|
int offset = 0;
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
const char *name=NULL;
|
|
guint16 bc;
|
|
|
|
while(tvb_length_remaining(tvb, offset) > 4){
|
|
int old_offset = offset;
|
|
int next_offset;
|
|
int file_name_len;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_file_directory_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_file_directory_info);
|
|
}
|
|
|
|
/* next offset */
|
|
next_offset = tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_next_offset, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* file index */
|
|
proto_tree_add_item(tree, hf_smb2_file_index, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* create time */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_create_timestamp);
|
|
|
|
/* last access */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_access_timestamp);
|
|
|
|
/* last write */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_write_timestamp);
|
|
|
|
/* last change */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_change_timestamp);
|
|
|
|
/* end of file */
|
|
proto_tree_add_item(tree, hf_smb2_end_of_file, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* allocation size */
|
|
proto_tree_add_item(tree, hf_smb2_allocation_size, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* File Attributes */
|
|
offset = dissect_file_ext_attr(tvb, tree, offset);
|
|
|
|
/* file name length */
|
|
file_name_len=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_filename_len, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* file name */
|
|
if(file_name_len){
|
|
bc=file_name_len;
|
|
name = get_unicode_or_ascii_string(tvb, &offset,
|
|
TRUE, &file_name_len, TRUE, TRUE, &bc);
|
|
if(name){
|
|
proto_tree_add_string(tree, hf_smb2_filename, tvb,
|
|
offset, file_name_len, name);
|
|
proto_item_append_text(item, ": %s", name);
|
|
|
|
}
|
|
}
|
|
|
|
proto_item_set_len(item, offset-old_offset);
|
|
|
|
if (next_offset == 0){
|
|
return;
|
|
}
|
|
|
|
offset = old_offset+next_offset;
|
|
if (offset < old_offset) {
|
|
proto_tree_add_text(tree, tvb, offset, tvb_length_remaining(tvb, offset),
|
|
"Invalid offset/length. Malformed packet");
|
|
return;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
static void dissect_smb2_full_directory_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, smb2_info_t *si _U_)
|
|
{
|
|
int offset = 0;
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
const char *name=NULL;
|
|
guint16 bc;
|
|
|
|
while(tvb_length_remaining(tvb, offset) > 4){
|
|
int old_offset = offset;
|
|
int next_offset;
|
|
int file_name_len;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_full_directory_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_full_directory_info);
|
|
}
|
|
|
|
/* next offset */
|
|
next_offset = tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_next_offset, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* file index */
|
|
proto_tree_add_item(tree, hf_smb2_file_index, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* create time */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_create_timestamp);
|
|
|
|
/* last access */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_access_timestamp);
|
|
|
|
/* last write */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_write_timestamp);
|
|
|
|
/* last change */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_change_timestamp);
|
|
|
|
/* end of file */
|
|
proto_tree_add_item(tree, hf_smb2_end_of_file, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* allocation size */
|
|
proto_tree_add_item(tree, hf_smb2_allocation_size, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* File Attributes */
|
|
offset = dissect_file_ext_attr(tvb, tree, offset);
|
|
|
|
/* file name length */
|
|
file_name_len=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_filename_len, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* ea size */
|
|
proto_tree_add_item(tree, hf_smb2_ea_size, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* file name */
|
|
if(file_name_len){
|
|
bc=file_name_len;
|
|
name = get_unicode_or_ascii_string(tvb, &offset,
|
|
TRUE, &file_name_len, TRUE, TRUE, &bc);
|
|
if(name){
|
|
proto_tree_add_string(tree, hf_smb2_filename, tvb,
|
|
offset, file_name_len, name);
|
|
proto_item_append_text(item, ": %s", name);
|
|
|
|
}
|
|
}
|
|
|
|
proto_item_set_len(item, offset-old_offset);
|
|
|
|
if (next_offset == 0){
|
|
return;
|
|
}
|
|
|
|
offset = old_offset+next_offset;
|
|
if (offset < old_offset) {
|
|
proto_tree_add_text(tree, tvb, offset, tvb_length_remaining(tvb, offset),
|
|
"Invalid offset/length. Malformed packet");
|
|
return;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
static void dissect_smb2_both_directory_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, smb2_info_t *si _U_)
|
|
{
|
|
int offset = 0;
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
const char *name=NULL;
|
|
guint16 bc;
|
|
|
|
while(tvb_length_remaining(tvb, offset) > 4){
|
|
int old_offset = offset;
|
|
int next_offset;
|
|
int file_name_len;
|
|
int ea_size;
|
|
int short_name_len;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_both_directory_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_both_directory_info);
|
|
}
|
|
|
|
/* next offset */
|
|
next_offset = tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_next_offset, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* file index */
|
|
proto_tree_add_item(tree, hf_smb2_file_index, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* create time */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_create_timestamp);
|
|
|
|
/* last access */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_access_timestamp);
|
|
|
|
/* last write */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_write_timestamp);
|
|
|
|
/* last change */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_change_timestamp);
|
|
|
|
/* end of file */
|
|
proto_tree_add_item(tree, hf_smb2_end_of_file, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* allocation size */
|
|
proto_tree_add_item(tree, hf_smb2_allocation_size, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* File Attributes */
|
|
offset = dissect_file_ext_attr(tvb, tree, offset);
|
|
|
|
/* file name length */
|
|
file_name_len=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_filename_len, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* ea size */
|
|
ea_size=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_ea_size, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* short name length */
|
|
short_name_len=tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_short_name_len, tvb, offset, 1, TRUE);
|
|
offset += 1;
|
|
|
|
/* reserved */
|
|
offset += 1;
|
|
|
|
/* short name */
|
|
if(short_name_len){
|
|
bc=short_name_len;
|
|
name = get_unicode_or_ascii_string(tvb, &offset,
|
|
TRUE, &short_name_len, TRUE, TRUE, &bc);
|
|
if(name){
|
|
proto_tree_add_string(tree, hf_smb2_short_name, tvb,
|
|
offset, short_name_len, name);
|
|
}
|
|
}
|
|
offset += 24;
|
|
|
|
/* file name */
|
|
if(file_name_len){
|
|
bc=file_name_len;
|
|
name = get_unicode_or_ascii_string(tvb, &offset,
|
|
TRUE, &file_name_len, TRUE, TRUE, &bc);
|
|
if(name){
|
|
proto_tree_add_string(tree, hf_smb2_filename, tvb,
|
|
offset, file_name_len, name);
|
|
proto_item_append_text(item, ": %s", name);
|
|
|
|
}
|
|
}
|
|
|
|
proto_item_set_len(item, offset-old_offset);
|
|
|
|
if (next_offset == 0){
|
|
return;
|
|
}
|
|
|
|
offset = old_offset+next_offset;
|
|
if (offset < old_offset) {
|
|
proto_tree_add_text(tree, tvb, offset, tvb_length_remaining(tvb, offset),
|
|
"Invalid offset/length. Malformed packet");
|
|
return;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
static void dissect_smb2_file_name_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, smb2_info_t *si _U_)
|
|
{
|
|
int offset = 0;
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
const char *name=NULL;
|
|
guint16 bc;
|
|
|
|
while(tvb_length_remaining(tvb, offset) > 4){
|
|
int old_offset = offset;
|
|
int next_offset;
|
|
int file_name_len;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_both_directory_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_both_directory_info);
|
|
}
|
|
|
|
/* next offset */
|
|
next_offset = tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_next_offset, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* file index */
|
|
proto_tree_add_item(tree, hf_smb2_file_index, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* file name length */
|
|
file_name_len=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_filename_len, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* file name */
|
|
if(file_name_len){
|
|
bc=file_name_len;
|
|
name = get_unicode_or_ascii_string(tvb, &offset,
|
|
TRUE, &file_name_len, TRUE, TRUE, &bc);
|
|
if(name){
|
|
proto_tree_add_string(tree, hf_smb2_filename, tvb,
|
|
offset, file_name_len, name);
|
|
proto_item_append_text(item, ": %s", name);
|
|
|
|
}
|
|
}
|
|
|
|
proto_item_set_len(item, offset-old_offset);
|
|
|
|
if (next_offset == 0){
|
|
return;
|
|
}
|
|
|
|
offset = old_offset+next_offset;
|
|
if (offset < old_offset) {
|
|
proto_tree_add_text(tree, tvb, offset, tvb_length_remaining(tvb, offset),
|
|
"Invalid offset/length. Malformed packet");
|
|
return;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
static void dissect_smb2_id_both_directory_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, smb2_info_t *si _U_)
|
|
{
|
|
int offset = 0;
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
const char *name=NULL;
|
|
guint16 bc;
|
|
|
|
while(tvb_length_remaining(tvb, offset) > 4){
|
|
int old_offset = offset;
|
|
int next_offset;
|
|
int file_name_len;
|
|
int ea_size;
|
|
int short_name_len;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_id_both_directory_info, tvb, offset, -1, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_id_both_directory_info);
|
|
}
|
|
|
|
/* next offset */
|
|
next_offset = tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_next_offset, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* file index */
|
|
proto_tree_add_item(tree, hf_smb2_file_index, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* create time */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_create_timestamp);
|
|
|
|
/* last access */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_access_timestamp);
|
|
|
|
/* last write */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_write_timestamp);
|
|
|
|
/* last change */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_change_timestamp);
|
|
|
|
/* end of file */
|
|
proto_tree_add_item(tree, hf_smb2_end_of_file, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* allocation size */
|
|
proto_tree_add_item(tree, hf_smb2_allocation_size, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* File Attributes */
|
|
offset = dissect_file_ext_attr(tvb, tree, offset);
|
|
|
|
/* file name length */
|
|
file_name_len=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_filename_len, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* ea size */
|
|
ea_size=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_ea_size, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* short name length */
|
|
short_name_len=tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_short_name_len, tvb, offset, 1, TRUE);
|
|
offset += 1;
|
|
|
|
/* reserved */
|
|
offset += 1;
|
|
|
|
/* short name */
|
|
if(short_name_len){
|
|
bc=short_name_len;
|
|
name = get_unicode_or_ascii_string(tvb, &offset,
|
|
TRUE, &short_name_len, TRUE, TRUE, &bc);
|
|
if(name){
|
|
proto_tree_add_string(tree, hf_smb2_short_name, tvb,
|
|
offset, short_name_len, name);
|
|
}
|
|
}
|
|
offset += 24;
|
|
|
|
/* reserved */
|
|
offset += 2;
|
|
|
|
/* file id */
|
|
proto_tree_add_item(tree, hf_smb2_file_id, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* file name */
|
|
if(file_name_len){
|
|
bc=file_name_len;
|
|
name = get_unicode_or_ascii_string(tvb, &offset,
|
|
TRUE, &file_name_len, TRUE, TRUE, &bc);
|
|
if(name){
|
|
proto_tree_add_string(tree, hf_smb2_filename, tvb,
|
|
offset, file_name_len, name);
|
|
proto_item_append_text(item, ": %s", name);
|
|
|
|
}
|
|
}
|
|
|
|
proto_item_set_len(item, offset-old_offset);
|
|
|
|
if (next_offset == 0){
|
|
return;
|
|
}
|
|
|
|
offset = old_offset+next_offset;
|
|
if (offset < old_offset) {
|
|
proto_tree_add_text(tree, tvb, offset, tvb_length_remaining(tvb, offset),
|
|
"Invalid offset/length. Malformed packet");
|
|
return;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
typedef struct _smb2_find_dissector_t {
|
|
guint32 level;
|
|
void (*dissector)(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si);
|
|
} smb2_find_dissector_t;
|
|
|
|
smb2_find_dissector_t smb2_find_dissectors[] = {
|
|
{SMB2_FIND_DIRECTORY_INFO, dissect_smb2_file_directory_info},
|
|
{SMB2_FIND_FULL_DIRECTORY_INFO, dissect_smb2_full_directory_info},
|
|
{SMB2_FIND_BOTH_DIRECTORY_INFO, dissect_smb2_both_directory_info},
|
|
{SMB2_FIND_NAME_INFO, dissect_smb2_file_name_info},
|
|
{SMB2_FIND_ID_BOTH_DIRECTORY_INFO,dissect_smb2_id_both_directory_info},
|
|
{0, NULL}
|
|
};
|
|
|
|
static void
|
|
dissect_smb2_find_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si)
|
|
{
|
|
smb2_find_dissector_t *dis = smb2_find_dissectors;
|
|
|
|
while(dis->dissector){
|
|
if(si && si->saved && si->saved){
|
|
if(dis->level ==si->saved->infolevel){
|
|
dis->dissector(tvb, pinfo, tree, si);
|
|
return;
|
|
}
|
|
}
|
|
dis++;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, 0, tvb_length(tvb), FALSE);
|
|
return;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_find_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
offset_length_buffer_t olb;
|
|
proto_item *item=NULL;
|
|
|
|
if(si->saved){
|
|
/* infolevel */
|
|
item=proto_tree_add_uint(tree, hf_smb2_find_info_level, tvb, offset, 0, si->saved->infolevel);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
}
|
|
|
|
if(!pinfo->fd->flags.visited && si->saved && si->saved->extra_info_type==SMB2_EI_FINDPATTERN) {
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " %s Pattern: %s",
|
|
val_to_str(si->saved->infolevel, smb2_find_info_levels, "(Level:0x%02x)"),
|
|
(const char *)si->saved->extra_info);
|
|
}
|
|
|
|
g_free(si->saved->extra_info);
|
|
si->saved->extra_info_type=SMB2_EI_NONE;
|
|
si->saved->extra_info=NULL;
|
|
}
|
|
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* findinfo offset */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &olb, OLB_O_UINT16_S_UINT32, hf_smb2_find_info_blob);
|
|
|
|
/* the buffer */
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &olb, si, dissect_smb2_find_data);
|
|
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &olb);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_negotiate_protocol_request(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
guint16 dc;
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* dialect count */
|
|
dc = tvb_get_letohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_dialect_count, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* security mode, skip second byte */
|
|
offset = dissect_smb2_secmode(tree, tvb, offset);
|
|
offset++;
|
|
|
|
|
|
/* reserved */
|
|
offset += 2;
|
|
|
|
/* capabilities */
|
|
offset = dissect_smb2_capabilities(tree, tvb, offset);
|
|
|
|
/* client guid */
|
|
proto_tree_add_item(tree, hf_smb2_client_guid, tvb, offset, 16, TRUE);
|
|
offset += 16;
|
|
|
|
/* client boot time */
|
|
dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_boot_time);
|
|
offset += 8;
|
|
|
|
for(;dc>0;dc--){
|
|
proto_tree_add_item(tree, hf_smb2_dialect, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_negotiate_protocol_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
offset_length_buffer_t s_olb;
|
|
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* security mode, skip second byte */
|
|
offset = dissect_smb2_secmode(tree, tvb, offset);
|
|
offset++;
|
|
|
|
/* dialect picked */
|
|
proto_tree_add_item(tree, hf_smb2_dialect, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* reserved */
|
|
offset += 2;
|
|
|
|
/* server GUID */
|
|
proto_tree_add_item(tree, hf_smb2_server_guid, tvb, offset, 16, TRUE);
|
|
offset += 16;
|
|
|
|
/* capabilities */
|
|
offset = dissect_smb2_capabilities(tree, tvb, offset);
|
|
|
|
/* max trans size */
|
|
proto_tree_add_item(tree, hf_smb2_max_trans_size, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* max read size */
|
|
proto_tree_add_item(tree, hf_smb2_max_read_size, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* max write size */
|
|
proto_tree_add_item(tree, hf_smb2_max_write_size, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* current time */
|
|
dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_current_time);
|
|
offset += 8;
|
|
|
|
/* boot time */
|
|
dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_boot_time);
|
|
offset += 8;
|
|
|
|
/* security blob offset/length */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &s_olb, OLB_O_UINT16_S_UINT16, hf_smb2_security_blob);
|
|
|
|
/* the security blob itself */
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &s_olb, si, dissect_smb2_secblob);
|
|
|
|
/* reserved */
|
|
offset += 4;
|
|
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &s_olb);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_getinfo_parameters(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
switch(si->saved->class){
|
|
case SMB2_CLASS_FILE_INFO:
|
|
switch(si->saved->infolevel){
|
|
default:
|
|
/* we dont handle this infolevel yet */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 16, TRUE);
|
|
offset += tvb_length_remaining(tvb, offset);
|
|
}
|
|
break;
|
|
case SMB2_CLASS_FS_INFO:
|
|
switch(si->saved->infolevel){
|
|
default:
|
|
/* we dont handle this infolevel yet */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 16, TRUE);
|
|
offset += tvb_length_remaining(tvb, offset);
|
|
}
|
|
break;
|
|
case SMB2_CLASS_SEC_INFO:
|
|
switch(si->saved->infolevel){
|
|
case SMB2_SEC_INFO_00:
|
|
dissect_security_information_mask(tvb, tree, offset+8);
|
|
break;
|
|
default:
|
|
/* we dont handle this infolevel yet */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 16, TRUE);
|
|
offset += tvb_length_remaining(tvb, offset);
|
|
}
|
|
break;
|
|
default:
|
|
/* we dont handle this class yet */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 16, TRUE);
|
|
}
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_smb2_class_infolevel(packet_info *pinfo, tvbuff_t *tvb, int offset, proto_tree *tree, smb2_info_t *si)
|
|
{
|
|
char cl, il;
|
|
proto_item *item;
|
|
int hfindex;
|
|
static const value_string dummy_value_string[] = {
|
|
{ 0, NULL }
|
|
};
|
|
const value_string *vs;
|
|
|
|
if(si->flags & SMB2_FLAGS_RESPONSE){
|
|
if(!si->saved){
|
|
return offset;
|
|
}
|
|
cl=si->saved->class;
|
|
il=si->saved->infolevel;
|
|
} else {
|
|
cl=tvb_get_guint8(tvb, offset);
|
|
il=tvb_get_guint8(tvb, offset+1);
|
|
if(si->saved){
|
|
si->saved->class=cl;
|
|
si->saved->infolevel=il;
|
|
}
|
|
}
|
|
|
|
|
|
switch(cl){
|
|
case SMB2_CLASS_FILE_INFO:
|
|
hfindex=hf_smb2_infolevel_file_info;
|
|
vs=smb2_file_info_levels;
|
|
break;
|
|
case SMB2_CLASS_FS_INFO:
|
|
hfindex=hf_smb2_infolevel_fs_info;
|
|
vs=smb2_fs_info_levels;
|
|
break;
|
|
case SMB2_CLASS_SEC_INFO:
|
|
hfindex=hf_smb2_infolevel_sec_info;
|
|
vs=smb2_sec_info_levels;
|
|
break;
|
|
default:
|
|
hfindex=hf_smb2_infolevel;
|
|
vs=dummy_value_string;
|
|
}
|
|
|
|
|
|
/* class */
|
|
item=proto_tree_add_uint(tree, hf_smb2_class, tvb, offset, 1, cl);
|
|
if(si->flags & SMB2_FLAGS_RESPONSE){
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
}
|
|
/* infolevel */
|
|
item=proto_tree_add_uint(tree, hfindex, tvb, offset+1, 1, il);
|
|
if(si->flags & SMB2_FLAGS_RESPONSE){
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
}
|
|
offset += 2;
|
|
|
|
if(!(si->flags & SMB2_FLAGS_RESPONSE)){
|
|
/* Only update COL_INFO for requests. It clutters the
|
|
* display ab bit too much if we do it for replies
|
|
* as well.
|
|
*/
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " %s/%s",
|
|
val_to_str(cl, smb2_class_vals, "(Class:0x%02x)"),
|
|
val_to_str(il, vs, "(Level:0x%02x)"));
|
|
}
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_getinfo_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* class and info level */
|
|
offset = dissect_smb2_class_infolevel(pinfo, tvb, offset, tree, si);
|
|
|
|
/* max response size */
|
|
proto_tree_add_item(tree, hf_smb2_max_response_size, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* parameters */
|
|
if(si->saved){
|
|
dissect_smb2_getinfo_parameters(tvb, pinfo, tree, offset, si);
|
|
} else {
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 16, TRUE);
|
|
}
|
|
offset += 16;
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_USE);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_infolevel(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si, guint8 class, guint8 infolevel)
|
|
{
|
|
int old_offset = offset;
|
|
|
|
switch(class){
|
|
case SMB2_CLASS_FILE_INFO:
|
|
switch(infolevel){
|
|
case SMB2_FILE_BASIC_INFO:
|
|
dissect_smb2_file_basic_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_STANDARD_INFO:
|
|
dissect_smb2_file_standard_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_INTERNAL_INFO:
|
|
dissect_smb2_file_internal_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_EA_INFO:
|
|
dissect_smb2_file_ea_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_ACCESS_INFO:
|
|
dissect_smb2_file_access_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_RENAME_INFO:
|
|
dissect_smb2_file_rename_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_DISPOSITION_INFO:
|
|
dissect_smb2_file_disposition_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_POSITION_INFO:
|
|
dissect_smb2_file_position_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_INFO_0f:
|
|
dissect_smb2_file_info_0f(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_MODE_INFO:
|
|
dissect_smb2_file_mode_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_ALIGNMENT_INFO:
|
|
dissect_smb2_file_alignment_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_ALL_INFO:
|
|
dissect_smb2_file_all_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_ALLOCATION_INFO:
|
|
dissect_smb2_file_allocation_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_ENDOFFILE_INFO:
|
|
dissect_smb2_file_endoffile_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_ALTERNATE_NAME_INFO:
|
|
dissect_smb2_file_alternate_name_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_STREAM_INFO:
|
|
dissect_smb2_file_stream_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_PIPE_INFO:
|
|
dissect_smb2_file_pipe_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_COMPRESSION_INFO:
|
|
dissect_smb2_file_compression_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_NETWORK_OPEN_INFO:
|
|
dissect_smb2_file_network_open_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FILE_ATTRIBUTE_TAG_INFO:
|
|
dissect_smb2_file_attribute_tag_info(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
default:
|
|
/* we dont handle this infolevel yet */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, tvb_length_remaining(tvb, offset), TRUE);
|
|
offset += tvb_length_remaining(tvb, offset);
|
|
}
|
|
break;
|
|
case SMB2_CLASS_FS_INFO:
|
|
switch(infolevel){
|
|
case SMB2_FS_INFO_01:
|
|
dissect_smb2_fs_info_01(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FS_INFO_03:
|
|
dissect_smb2_fs_info_03(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FS_INFO_04:
|
|
dissect_smb2_fs_info_04(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FS_INFO_05:
|
|
dissect_smb2_fs_info_05(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FS_INFO_06:
|
|
dissect_smb2_fs_info_06(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FS_INFO_07:
|
|
dissect_smb2_fs_info_07(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
case SMB2_FS_OBJECTID_INFO:
|
|
dissect_smb2_FS_OBJECTID_INFO(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
default:
|
|
/* we dont handle this infolevel yet */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, tvb_length_remaining(tvb, offset), TRUE);
|
|
offset += tvb_length_remaining(tvb, offset);
|
|
}
|
|
break;
|
|
case SMB2_CLASS_SEC_INFO:
|
|
switch(infolevel){
|
|
case SMB2_SEC_INFO_00:
|
|
dissect_smb2_sec_info_00(tvb, pinfo, tree, offset, si);
|
|
break;
|
|
default:
|
|
/* we dont handle this infolevel yet */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, tvb_length_remaining(tvb, offset), TRUE);
|
|
offset += tvb_length_remaining(tvb, offset);
|
|
}
|
|
break;
|
|
default:
|
|
/* we dont handle this class yet */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, tvb_length_remaining(tvb, offset), TRUE);
|
|
}
|
|
|
|
/* if we get BUFFER_OVERFLOW there will be truncated data */
|
|
if (si->status == 0x80000005) {
|
|
proto_item *item;
|
|
item=proto_tree_add_text(tree, tvb, old_offset, 0, "Truncated...");
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_getinfo_response_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si)
|
|
{
|
|
/* data */
|
|
if(si->saved){
|
|
dissect_smb2_infolevel(tvb, pinfo, tree, 0, si, si->saved->class, si->saved->infolevel);
|
|
} else {
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, 0, tvb_length(tvb), FALSE);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_smb2_getinfo_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
offset_length_buffer_t olb;
|
|
|
|
/* class/infolevel */
|
|
dissect_smb2_class_infolevel(pinfo, tvb, offset, tree, si);
|
|
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
/* if we get BUFFER_OVERFLOW there will be truncated data */
|
|
case 0x80000005: break;
|
|
/* if we get BUFFER_TOO_SMALL there will not be any data there, only
|
|
* a guin32 specifying how big the buffer needs to be
|
|
*/
|
|
case 0xc0000023:
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &olb, OLB_O_UINT16_S_UINT32, -1);
|
|
proto_tree_add_item(tree, hf_smb2_required_buffer_size, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
return offset;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
/* response buffer offset and size */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &olb, OLB_O_UINT16_S_UINT32, -1);
|
|
|
|
/* response data*/
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &olb, si, dissect_smb2_getinfo_response_data);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_close_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
proto_tree *flags_tree = NULL;
|
|
proto_item *flags_item = NULL;
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* close flags */
|
|
if (tree) {
|
|
flags_item = proto_tree_add_item(tree, hf_smb2_close_flags, tvb, offset, 2, TRUE);
|
|
flags_tree = proto_item_add_subtree(flags_item, ett_smb2_close_flags);
|
|
}
|
|
proto_tree_add_item(flags_tree, hf_smb2_close_pq_attrib, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* padding */
|
|
offset += 4;
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_CLOSE);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_close_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
proto_tree *flags_tree = NULL;
|
|
proto_item *flags_item = NULL;
|
|
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* close flags */
|
|
if (tree) {
|
|
flags_item = proto_tree_add_item(tree, hf_smb2_close_flags, tvb, offset, 2, TRUE);
|
|
flags_tree = proto_item_add_subtree(flags_item, ett_smb2_close_flags);
|
|
}
|
|
proto_tree_add_item(flags_tree, hf_smb2_close_pq_attrib, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* reserved */
|
|
offset += 4;
|
|
|
|
/* create time */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_create_timestamp);
|
|
|
|
/* last access */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_access_timestamp);
|
|
|
|
/* last write */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_write_timestamp);
|
|
|
|
/* last change */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_change_timestamp);
|
|
|
|
/* allocation size */
|
|
proto_tree_add_item(tree, hf_smb2_allocation_size, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* end of file */
|
|
proto_tree_add_item(tree, hf_smb2_end_of_file, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* File Attributes */
|
|
offset = dissect_file_ext_attr(tvb, tree, offset);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_flush_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 6, TRUE);
|
|
offset += 6;
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_USE);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_flush_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_smb2_lock_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
guint16 lock_count;
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* lock count */
|
|
lock_count = tvb_get_letohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_lock_count, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* reserved */
|
|
offset += 4;
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_USE);
|
|
|
|
while (lock_count--) {
|
|
proto_item *lock_item=NULL;
|
|
proto_tree *lock_tree=NULL;
|
|
static const int *lf_fields[] = {
|
|
&hf_smb2_lock_flags_shared,
|
|
&hf_smb2_lock_flags_exclusive,
|
|
&hf_smb2_lock_flags_unlock,
|
|
&hf_smb2_lock_flags_fail_immediately,
|
|
NULL
|
|
};
|
|
|
|
if(tree){
|
|
lock_item = proto_tree_add_item(tree, hf_smb2_lock_info, tvb, offset, 24, TRUE);
|
|
lock_tree = proto_item_add_subtree(lock_item, ett_smb2_lock_info);
|
|
}
|
|
|
|
/* offset */
|
|
proto_tree_add_item(tree, hf_smb2_file_offset, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* count */
|
|
proto_tree_add_item(lock_tree, hf_smb2_lock_length, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* flags */
|
|
proto_tree_add_bitmask(lock_tree, tvb, offset, hf_smb2_lock_flags, ett_smb2_lock_flags, lf_fields, TRUE);
|
|
offset += 4;
|
|
|
|
/* reserved */
|
|
offset += 4;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_lock_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
static int
|
|
dissect_smb2_cancel_request(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_file_data_dcerpc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree _U_, int offset, guint32 datalen, proto_tree *top_tree)
|
|
{
|
|
int tvblen;
|
|
int result;
|
|
|
|
tvbuff_t *dcerpc_tvb;
|
|
tvblen = tvb_length_remaining(tvb, offset);
|
|
dcerpc_tvb = tvb_new_subset(tvb, offset, MIN((int)datalen, tvb_length_remaining(tvb, offset)), datalen);
|
|
|
|
/* dissect the full PDU */
|
|
result = dissector_try_heuristic(smb2_heur_subdissector_list, dcerpc_tvb, pinfo, top_tree);
|
|
|
|
|
|
offset += datalen;
|
|
|
|
return offset;
|
|
}
|
|
|
|
#define SMB2_WRITE_FLAG_WRITE_THROUGH 0x00000001
|
|
|
|
static int
|
|
dissect_smb2_write_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
guint32 length;
|
|
guint64 off;
|
|
static const int *f_fields[] = {
|
|
&hf_smb2_write_flags_write_through,
|
|
NULL
|
|
};
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* data offset */
|
|
proto_tree_add_item(tree, hf_smb2_data_offset, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* length */
|
|
length=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_write_length, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* offset */
|
|
off=tvb_get_letoh64(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_file_offset, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " Len:%d Off:%" G_GINT64_MODIFIER "u", length, off);
|
|
}
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_USE);
|
|
|
|
/* channel */
|
|
proto_tree_add_item(tree, hf_smb2_channel, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* remaining bytes */
|
|
proto_tree_add_item(tree, hf_smb2_remaining_bytes, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* write channel info offset */
|
|
proto_tree_add_item(tree, hf_smb2_channel_info_offset, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* write channel info length */
|
|
proto_tree_add_item(tree, hf_smb2_channel_info_length, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* flags */
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_smb2_write_flags, ett_smb2_write_flags, f_fields, TRUE);
|
|
offset += 4;
|
|
|
|
/* data or dcerpc ?*/
|
|
if(length && si->tree && si->tree->share_type == SMB2_SHARE_TYPE_PIPE){
|
|
offset = dissect_file_data_dcerpc(tvb, pinfo, tree, offset, length, si->top_tree);
|
|
return offset;
|
|
}
|
|
|
|
/* just ordinary data */
|
|
proto_tree_add_item(tree, hf_smb2_write_data, tvb, offset, length, TRUE);
|
|
offset += MIN(length,(guint32)tvb_length_remaining(tvb, offset));
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_smb2_write_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* reserved */
|
|
proto_tree_add_item(tree, hf_smb2_reserved, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* count */
|
|
proto_tree_add_item(tree, hf_smb2_write_count, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* remaining, must be set to 0 */
|
|
proto_tree_add_item(tree, hf_smb2_write_remaining, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* write channel info offset */
|
|
proto_tree_add_item(tree, hf_smb2_channel_info_offset, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* write channel info length */
|
|
proto_tree_add_item(tree, hf_smb2_channel_info_length, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_IOCTL_DO_DCERPC(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, proto_tree *top_tree, gboolean data_in _U_)
|
|
{
|
|
dissect_file_data_dcerpc(tvb, pinfo, tree, offset, tvb_length_remaining(tvb, offset), top_tree);
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_FSCTL_GET_SHADOW_COPY_DATA(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean data_in)
|
|
{
|
|
guint32 num_volumes, num_labels;
|
|
|
|
/* There is no in data */
|
|
if(data_in){
|
|
return;
|
|
}
|
|
|
|
/* num volumes */
|
|
num_volumes=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_ioctl_shadow_copy_num_volumes, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* num labels */
|
|
num_labels=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_ioctl_shadow_copy_num_labels, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* count */
|
|
proto_tree_add_item(tree, hf_smb2_ioctl_shadow_copy_count, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
while(num_volumes--){
|
|
const char *name;
|
|
guint16 bc;
|
|
int len=0;
|
|
int old_offset=offset;
|
|
|
|
bc=tvb_length_remaining(tvb, offset);
|
|
name = get_unicode_or_ascii_string(tvb, &offset,
|
|
TRUE, &len, TRUE, FALSE, &bc);
|
|
proto_tree_add_string(tree, hf_smb2_ioctl_shadow_copy_label, tvb, old_offset, len, name);
|
|
|
|
offset = old_offset+len;
|
|
|
|
if(!len){
|
|
break;
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
int
|
|
dissect_smb2_FILE_OBJECTID_BUFFER(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *parent_tree, int offset)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
/* FILE_OBJECTID_BUFFER */
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_FILE_OBJECTID_BUFFER, tvb, offset, 64, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_FILE_OBJECTID_BUFFER);
|
|
}
|
|
|
|
/* Object ID */
|
|
proto_tree_add_item(tree, hf_smb2_object_id, tvb, offset, 16, TRUE);
|
|
offset += 16;
|
|
|
|
/* Birth Volume ID */
|
|
proto_tree_add_item(tree, hf_smb2_birth_volume_id, tvb, offset, 16, TRUE);
|
|
offset += 16;
|
|
|
|
/* Birth Object ID */
|
|
proto_tree_add_item(tree, hf_smb2_birth_object_id, tvb, offset, 16, TRUE);
|
|
offset += 16;
|
|
|
|
/* Domain ID */
|
|
proto_tree_add_item(tree, hf_smb2_domain_id, tvb, offset, 16, TRUE);
|
|
offset += 16;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_FSCTL_CREATE_OR_GET_OBJECT_ID(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean data_in)
|
|
{
|
|
|
|
/* There is no in data */
|
|
if(data_in){
|
|
return;
|
|
}
|
|
|
|
/* FILE_OBJECTID_BUFFER */
|
|
offset=dissect_smb2_FILE_OBJECTID_BUFFER(tvb, pinfo, tree, offset);
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_FSCTL_GET_COMPRESSION(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean data_in)
|
|
{
|
|
|
|
/* There is no in data */
|
|
if(data_in){
|
|
return;
|
|
}
|
|
|
|
/* compression format */
|
|
proto_tree_add_item(tree, hf_smb2_compression_format, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
return;
|
|
}
|
|
static void
|
|
dissect_smb2_FSCTL_SET_COMPRESSION(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean data_in)
|
|
{
|
|
|
|
/* There is no out data */
|
|
if(!data_in){
|
|
return;
|
|
}
|
|
|
|
/* compression format */
|
|
proto_tree_add_item(tree, hf_smb2_compression_format, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_FSCTL_SET_OBJECT_ID(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean data_in)
|
|
{
|
|
|
|
/* There is no out data */
|
|
if(!data_in){
|
|
return;
|
|
}
|
|
|
|
/* FILE_OBJECTID_BUFFER */
|
|
offset=dissect_smb2_FILE_OBJECTID_BUFFER(tvb, pinfo, tree, offset);
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_FSCTL_SET_OBJECT_ID_EXTENDED(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean data_in)
|
|
{
|
|
|
|
/* There is no out data */
|
|
if(!data_in){
|
|
return;
|
|
}
|
|
|
|
/* FILE_OBJECTID_BUFFER->ExtendedInfo */
|
|
|
|
/* Birth Volume ID */
|
|
proto_tree_add_item(tree, hf_smb2_birth_volume_id, tvb, offset, 16, TRUE);
|
|
offset += 16;
|
|
|
|
/* Birth Object ID */
|
|
proto_tree_add_item(tree, hf_smb2_birth_object_id, tvb, offset, 16, TRUE);
|
|
offset += 16;
|
|
|
|
/* Domain ID */
|
|
proto_tree_add_item(tree, hf_smb2_domain_id, tvb, offset, 16, TRUE);
|
|
offset += 16;
|
|
|
|
return;
|
|
}
|
|
|
|
void
|
|
dissect_smb2_ioctl_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_tree *top_tree, guint32 ioctl_function, gboolean data_in)
|
|
{
|
|
switch(ioctl_function){
|
|
case 0x0011c017:
|
|
dissect_smb2_IOCTL_DO_DCERPC(tvb, pinfo, tree, 0, top_tree, data_in);
|
|
break;
|
|
case 0x00144064: /* FSCTL_GET_SHADOW_COPY_DATA */
|
|
dissect_smb2_FSCTL_GET_SHADOW_COPY_DATA(tvb, pinfo, tree, 0, data_in);
|
|
break;
|
|
case 0x0009009C: /* FSCTL_GET_OBJECT_ID */
|
|
case 0x000900c0: /* FSCTL_CREATE_OR_GET_OBJECT_ID */
|
|
dissect_smb2_FSCTL_CREATE_OR_GET_OBJECT_ID(tvb, pinfo, tree, 0, data_in);
|
|
break;
|
|
case 0x00098098: /* FSCTL_SET_OBJECT_ID */
|
|
dissect_smb2_FSCTL_SET_OBJECT_ID(tvb, pinfo, tree, 0, data_in);
|
|
break;
|
|
case 0x000980BC: /* FSCTL_SET_OBJECT_ID_EXTENDED */
|
|
dissect_smb2_FSCTL_SET_OBJECT_ID_EXTENDED(tvb, pinfo, tree, 0, data_in);
|
|
break;
|
|
case 0x0009003C: /* FSCTL_GET_COMPRESSION */
|
|
dissect_smb2_FSCTL_GET_COMPRESSION(tvb, pinfo, tree, 0, data_in);
|
|
break;
|
|
case 0x0009C040: /* FSCTL_SET_COMPRESSION */
|
|
dissect_smb2_FSCTL_SET_COMPRESSION(tvb, pinfo, tree, 0, data_in);
|
|
break;
|
|
default:
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, 0, tvb_length(tvb), TRUE);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_ioctl_data_in(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si)
|
|
{
|
|
dissect_smb2_ioctl_data(tvb, pinfo, tree, si->top_tree, si->ioctl_function, TRUE);
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_ioctl_data_out(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si)
|
|
{
|
|
dissect_smb2_ioctl_data(tvb, pinfo, tree, si->top_tree, si->ioctl_function, FALSE);
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_ioctl_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
offset_length_buffer_t o_olb;
|
|
offset_length_buffer_t i_olb;
|
|
proto_tree *flags_tree = NULL;
|
|
proto_item *flags_item = NULL;
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* reserved */
|
|
offset += 2;
|
|
|
|
/* ioctl function */
|
|
offset = dissect_smb2_ioctl_function(tvb, pinfo, tree, offset, &si->ioctl_function);
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_USE);
|
|
|
|
/* in buffer offset/length */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &i_olb, OLB_O_UINT32_S_UINT32, hf_smb2_ioctl_in_data);
|
|
|
|
/* max ioctl in size */
|
|
proto_tree_add_item(tree, hf_smb2_max_ioctl_in_size, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* out buffer offset/length */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &o_olb, OLB_O_UINT32_S_UINT32, hf_smb2_ioctl_out_data);
|
|
|
|
/* max ioctl out size */
|
|
proto_tree_add_item(tree, hf_smb2_max_ioctl_out_size, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* flags */
|
|
if(tree){
|
|
flags_item = proto_tree_add_item(tree, hf_smb2_ioctl_flags, tvb, offset, 4, TRUE);
|
|
flags_tree = proto_item_add_subtree(flags_item, ett_smb2_ioctl_flags);
|
|
}
|
|
proto_tree_add_item(flags_tree, hf_smb2_ioctl_is_fsctl, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* reserved */
|
|
offset += 4;
|
|
|
|
/* try to decode these blobs in the order they were encoded
|
|
* so that for "short" packets we will dissect as much as possible
|
|
* before aborting with "short packet"
|
|
*/
|
|
if(i_olb.off>o_olb.off){
|
|
/* out buffer */
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &o_olb, si, dissect_smb2_ioctl_data_out);
|
|
/* in buffer */
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &i_olb, si, dissect_smb2_ioctl_data_in);
|
|
} else {
|
|
/* in buffer */
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &i_olb, si, dissect_smb2_ioctl_data_in);
|
|
/* out buffer */
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &o_olb, si, dissect_smb2_ioctl_data_out);
|
|
}
|
|
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &o_olb);
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &i_olb);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_ioctl_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
offset_length_buffer_t o_olb;
|
|
offset_length_buffer_t i_olb;
|
|
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* ioctl function */
|
|
offset = dissect_smb2_ioctl_function(tvb, pinfo, tree, offset, &si->ioctl_function);
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_USE);
|
|
|
|
/* in buffer offset/length */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &i_olb, OLB_O_UINT32_S_UINT32, hf_smb2_ioctl_in_data);
|
|
|
|
/* out buffer offset/length */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &o_olb, OLB_O_UINT32_S_UINT32, hf_smb2_ioctl_out_data);
|
|
|
|
|
|
/* flags: reserved: must be zero */
|
|
offset += 4;
|
|
|
|
/* reserved */
|
|
offset += 4;
|
|
|
|
/* try to decode these blobs in the order they were encoded
|
|
* so that for "short" packets we will dissect as much as possible
|
|
* before aborting with "short packet"
|
|
*/
|
|
if(i_olb.off>o_olb.off){
|
|
/* out buffer */
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &o_olb, si, dissect_smb2_ioctl_data_out);
|
|
/* in buffer */
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &i_olb, si, dissect_smb2_ioctl_data_in);
|
|
} else {
|
|
/* in buffer */
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &i_olb, si, dissect_smb2_ioctl_data_in);
|
|
/* out buffer */
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &o_olb, si, dissect_smb2_ioctl_data_out);
|
|
}
|
|
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &i_olb);
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &o_olb);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_smb2_read_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
guint32 len;
|
|
guint64 off;
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* padding and reserved */
|
|
offset += 2;
|
|
|
|
/* length */
|
|
len=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_read_length, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* offset */
|
|
off=tvb_get_letoh64(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_file_offset, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " Len:%d Off:%" G_GINT64_MODIFIER "u", len, off);
|
|
}
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_USE);
|
|
|
|
/* minimum count */
|
|
proto_tree_add_item(tree, hf_smb2_min_count, tvb, offset, 4, TRUE);
|
|
|
|
/* channel */
|
|
proto_tree_add_item(tree, hf_smb2_channel, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* remaining bytes */
|
|
proto_tree_add_item(tree, hf_smb2_remaining_bytes, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* channel info offset */
|
|
proto_tree_add_item(tree, hf_smb2_channel_info_offset, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* channel info length */
|
|
proto_tree_add_item(tree, hf_smb2_channel_info_length, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* there is a buffer here but it is never used (yet) */
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_smb2_read_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
guint32 length;
|
|
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* data offset */
|
|
proto_tree_add_item(tree, hf_smb2_data_offset, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* length might even be 64bits if they are ambitious*/
|
|
length=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_read_length, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* remaining */
|
|
proto_tree_add_item(tree, hf_smb2_read_remaining, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* reserved */
|
|
offset += 4;
|
|
|
|
/* data or dcerpc ?
|
|
* If the pidvalid flag is set we assume it is a deferred
|
|
* STATUS_PENDING read and thus a named pipe (==dcerpc)
|
|
*/
|
|
if(length && ( (si->tree && si->tree->share_type == SMB2_SHARE_TYPE_PIPE)||(si->flags & SMB2_FLAGS_ASYNC_CMD))){
|
|
offset = dissect_file_data_dcerpc(tvb, pinfo, tree, offset, length, si->top_tree);
|
|
return offset;
|
|
}
|
|
|
|
/* data */
|
|
proto_tree_add_item(tree, hf_smb2_read_data, tvb, offset, length, TRUE);
|
|
offset += MIN(length,(guint32)tvb_length_remaining(tvb, offset));
|
|
|
|
return offset;
|
|
}
|
|
|
|
static void
|
|
report_create_context_malformed_buffer(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, const char *buffer_desc)
|
|
{
|
|
proto_tree_add_text(tree, tvb, 0, tvb_length_remaining(tvb, 0),
|
|
"%s SHOULD NOT be generated. Malformed packeet", buffer_desc);
|
|
}
|
|
static void
|
|
dissect_smb2_ExtA_buffer_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si)
|
|
{
|
|
proto_item *item=NULL;
|
|
if (tree) {
|
|
item = proto_tree_get_parent(tree);
|
|
proto_item_append_text(item, ": SMB2_FILE_INFO_0f");
|
|
}
|
|
dissect_smb2_file_info_0f(tvb, pinfo, tree, 0, si);
|
|
return;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_ExtA_buffer_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si _U_)
|
|
{
|
|
report_create_context_malformed_buffer(tvb, pinfo, tree, "ExtA Response");
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_TWrp_buffer_request(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
if (tree) {
|
|
item = proto_tree_get_parent(tree);
|
|
proto_item_append_text(item, ": Timestamp");
|
|
}
|
|
dissect_nt_64bit_time(tvb, tree, 0, hf_smb2_twrp_timestamp);
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_TWrp_buffer_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, smb2_info_t *si _U_)
|
|
{
|
|
report_create_context_malformed_buffer(tvb, pinfo, tree, "TWrp Response");
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_QFid_buffer_request(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, smb2_info_t *si _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
|
|
if (tree) {
|
|
item = proto_tree_get_parent(tree);
|
|
}
|
|
|
|
if (item) {
|
|
if (tvb_length(tvb) == 0) {
|
|
proto_item_append_text(item, ": NO DATA");
|
|
} else {
|
|
proto_item_append_text(item, ": QFid request should have no data, malformed packet");
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_QFid_buffer_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, smb2_info_t *si _U_)
|
|
{
|
|
int offset = 0;
|
|
proto_item *item = NULL;
|
|
proto_item *sub_item = NULL;
|
|
proto_item *sub_tree = NULL;
|
|
|
|
if (tree) {
|
|
item = proto_tree_get_parent(tree);
|
|
}
|
|
|
|
if (item) {
|
|
proto_item_append_text(item, ": QFid INFO");
|
|
sub_item = proto_tree_add_text(tree, tvb, offset, -1, "QFid INFO");
|
|
sub_tree = proto_item_add_subtree(sub_item, ett_smb2_QFid_buffer);
|
|
}
|
|
|
|
proto_tree_add_item(sub_tree, hf_smb2_qfid_fid, tvb, offset, 32, FALSE);
|
|
offset += 32;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_AlSi_buffer_request(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, smb2_info_t *si _U_)
|
|
{
|
|
proto_tree_add_item(tree, hf_smb2_allocation_size, tvb, 0, 8, TRUE);
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_AlSi_buffer_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, smb2_info_t *si _U_)
|
|
{
|
|
report_create_context_malformed_buffer(tvb, pinfo, tree, "AlSi Response");
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_DHnQ_buffer_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si)
|
|
{
|
|
dissect_smb2_fid(tvb, pinfo, tree, 0, si, FID_MODE_DHNQ);
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_DHnQ_buffer_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, smb2_info_t *si _U_)
|
|
{
|
|
proto_tree_add_item(tree, hf_smb2_dhnq_buffer_reserved, tvb, 0, 8, TRUE);
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_DHnC_buffer_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si)
|
|
{
|
|
dissect_smb2_fid(tvb, pinfo, tree, 0, si, FID_MODE_DHNC);
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_DHnC_buffer_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si _U_)
|
|
{
|
|
report_create_context_malformed_buffer(tvb, pinfo, tree, "DHnC Response");
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_MxAc_buffer_request(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, smb2_info_t *si _U_)
|
|
{
|
|
int offset=0;
|
|
proto_item *item=NULL;
|
|
|
|
if (tree) {
|
|
item = proto_tree_get_parent(tree);
|
|
}
|
|
|
|
if (tvb_length(tvb) == 0) {
|
|
if (item) {
|
|
proto_item_append_text(item, ": NO DATA");
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (item) {
|
|
proto_item_append_text(item, ": Timestamp");
|
|
}
|
|
|
|
dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_mxac_timestamp);
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_MxAc_buffer_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, smb2_info_t *si _U_)
|
|
{
|
|
int offset=0;
|
|
proto_item *item=NULL;
|
|
proto_item *sub_item=NULL;
|
|
proto_tree *sub_tree=NULL;
|
|
|
|
if (tree) {
|
|
item = proto_tree_get_parent(tree);
|
|
}
|
|
|
|
if (tvb_length(tvb) == 0) {
|
|
if (item) {
|
|
proto_item_append_text(item, ": NO DATA");
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (item) {
|
|
proto_item_append_text(item, ": MxAc INFO");
|
|
sub_item = proto_tree_add_text(tree, tvb, offset, -1, "MxAc INFO");
|
|
sub_tree = proto_item_add_subtree(sub_item, ett_smb2_MxAc_buffer);
|
|
}
|
|
|
|
proto_tree_add_item(sub_tree, hf_smb2_mxac_status, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
|
|
offset = dissect_smb_access_mask(tvb, sub_tree, offset);
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
typedef void (*create_context_data_dissector_t)(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si);
|
|
|
|
typedef struct create_context_data_dissectors {
|
|
create_context_data_dissector_t request;
|
|
create_context_data_dissector_t response;
|
|
} create_context_data_dissectors_t;
|
|
|
|
struct create_context_data_tag_dissectors {
|
|
const char *tag;
|
|
create_context_data_dissectors_t dissectors;
|
|
};
|
|
|
|
struct create_context_data_tag_dissectors create_context_dissectors_array[] = {
|
|
{ "ExtA", { dissect_smb2_ExtA_buffer_request, dissect_smb2_ExtA_buffer_response } },
|
|
{ "AlSi", { dissect_smb2_AlSi_buffer_request, dissect_smb2_AlSi_buffer_response } },
|
|
{ "MxAc", { dissect_smb2_MxAc_buffer_request, dissect_smb2_MxAc_buffer_response } },
|
|
{ "DHnQ", { dissect_smb2_DHnQ_buffer_request, dissect_smb2_DHnQ_buffer_response } },
|
|
{ "DHnC", { dissect_smb2_DHnC_buffer_request, dissect_smb2_DHnC_buffer_response } },
|
|
{ "TWrp", { dissect_smb2_TWrp_buffer_request, dissect_smb2_TWrp_buffer_response } },
|
|
{ "QFid", { dissect_smb2_QFid_buffer_request, dissect_smb2_QFid_buffer_response } }
|
|
};
|
|
|
|
static struct create_context_data_dissectors*
|
|
get_create_context_data_dissectors(const char *tag)
|
|
{
|
|
size_t i;
|
|
for (i=0; i<array_length(create_context_dissectors_array); i++) {
|
|
if (!strcmp(tag, create_context_dissectors_array[i].tag))
|
|
return &create_context_dissectors_array[i].dissectors;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_create_extra_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, smb2_info_t *si)
|
|
{
|
|
offset_length_buffer_t tag_olb;
|
|
offset_length_buffer_t data_olb;
|
|
const char *tag;
|
|
guint16 chain_offset;
|
|
int offset=0;
|
|
int len=-1;
|
|
create_context_data_dissectors_t *dissectors = NULL;
|
|
create_context_data_dissector_t dissector = NULL;
|
|
proto_item *sub_item=NULL;
|
|
proto_tree *sub_tree=NULL;
|
|
proto_item *parent_item=NULL;
|
|
|
|
chain_offset=tvb_get_letohl(tvb, offset);
|
|
if (chain_offset) {
|
|
len = chain_offset;
|
|
}
|
|
|
|
if(parent_tree){
|
|
sub_item = proto_tree_add_text(parent_tree, tvb, offset, len, "Chain Element");
|
|
sub_tree = proto_item_add_subtree(sub_item, ett_smb2_create_chain_element);
|
|
parent_item = proto_tree_get_parent(parent_tree);
|
|
}
|
|
|
|
/* chain offset */
|
|
proto_tree_add_item(sub_tree, hf_smb2_create_chain_offset, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* tag offset/length */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &tag_olb, OLB_O_UINT16_S_UINT32, hf_smb2_tag);
|
|
|
|
/* data offset/length */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &data_olb, OLB_O_UINT16_S_UINT32, hf_smb2_create_chain_data);
|
|
|
|
/* tag string */
|
|
tag = dissect_smb2_olb_string(pinfo, sub_tree, tvb, &tag_olb, OLB_TYPE_ASCII_STRING);
|
|
|
|
proto_item_append_text(parent_item, " %s", tag);
|
|
proto_item_append_text(sub_item, ": %s", tag);
|
|
|
|
/* data */
|
|
dissectors = get_create_context_data_dissectors(tag);
|
|
if (dissectors)
|
|
dissector = (si->flags & SMB2_FLAGS_RESPONSE) ? dissectors->response : dissectors->request;
|
|
|
|
dissect_smb2_olb_buffer(pinfo, sub_tree, tvb, &data_olb, si, dissector);
|
|
|
|
if(chain_offset){
|
|
tvbuff_t *chain_tvb;
|
|
chain_tvb=tvb_new_subset(tvb, chain_offset, tvb_length_remaining(tvb, chain_offset), tvb_reported_length_remaining(tvb, chain_offset));
|
|
|
|
/* next extra info */
|
|
dissect_smb2_create_extra_info(chain_tvb, pinfo, parent_tree, si);
|
|
}
|
|
return;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_create_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
offset_length_buffer_t f_olb, e_olb;
|
|
const char *fname;
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* security flags */
|
|
offset++;
|
|
|
|
/* oplock */
|
|
offset = dissect_smb2_oplock(tree, tvb, offset);
|
|
|
|
/* impersonation level */
|
|
proto_tree_add_item(tree, hf_smb2_impersonation_level, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* create flags */
|
|
proto_tree_add_item(tree, hf_smb2_create_flags, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* reserved */
|
|
offset += 8;
|
|
|
|
/* access mask */
|
|
offset = dissect_smb_access_mask(tvb, tree, offset);
|
|
|
|
/* File Attributes */
|
|
offset = dissect_file_ext_attr(tvb, tree, offset);
|
|
|
|
/* share access */
|
|
offset = dissect_nt_share_access(tvb, tree, offset);
|
|
|
|
/* create disposition */
|
|
proto_tree_add_item(tree, hf_smb2_create_disposition, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* create options */
|
|
offset = dissect_nt_create_options(tvb, tree, offset);
|
|
|
|
/* filename offset/length */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &f_olb, OLB_O_UINT16_S_UINT16, hf_smb2_filename);
|
|
|
|
/* extrainfo offset */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &e_olb, OLB_O_UINT32_S_UINT32, hf_smb2_extrainfo);
|
|
|
|
/* filename string */
|
|
fname = dissect_smb2_olb_string(pinfo, tree, tvb, &f_olb, OLB_TYPE_UNICODE_STRING);
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " File: %s", fname);
|
|
}
|
|
|
|
/* save the name if it looks sane */
|
|
if(!pinfo->fd->flags.visited){
|
|
if(si->saved && si->saved->extra_info_type==SMB2_EI_FILENAME){
|
|
g_free(si->saved->extra_info);
|
|
si->saved->extra_info=NULL;
|
|
si->saved->extra_info_type=SMB2_EI_NONE;
|
|
}
|
|
if(si->saved && f_olb.len && f_olb.len<256){
|
|
si->saved->extra_info_type=SMB2_EI_FILENAME;
|
|
si->saved->extra_info=g_malloc(f_olb.len+1);
|
|
g_snprintf(si->saved->extra_info, f_olb.len+1, "%s", fname);
|
|
}
|
|
}
|
|
|
|
/* If extrainfo_offset is non-null then this points to another
|
|
* buffer. The offset is relative to the start of the smb packet
|
|
*/
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &e_olb, si, dissect_smb2_create_extra_info);
|
|
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &f_olb);
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &e_olb);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_create_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
offset_length_buffer_t e_olb;
|
|
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* oplock */
|
|
offset = dissect_smb2_oplock(tree, tvb, offset);
|
|
|
|
/* reserved */
|
|
offset++;
|
|
|
|
/* create action */
|
|
proto_tree_add_item(tree, hf_smb2_create_action, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* create time */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_create_timestamp);
|
|
|
|
/* last access */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_access_timestamp);
|
|
|
|
/* last write */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_write_timestamp);
|
|
|
|
/* last change */
|
|
offset = dissect_nt_64bit_time(tvb, tree, offset, hf_smb2_last_change_timestamp);
|
|
|
|
/* allocation size */
|
|
proto_tree_add_item(tree, hf_smb2_allocation_size, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* end of file */
|
|
proto_tree_add_item(tree, hf_smb2_end_of_file, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* File Attributes */
|
|
offset = dissect_file_ext_attr(tvb, tree, offset);
|
|
|
|
/* reserved */
|
|
offset += 4;
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_OPEN);
|
|
|
|
/* extrainfo offset */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &e_olb, OLB_O_UINT32_S_UINT32, hf_smb2_extrainfo);
|
|
|
|
/* If extrainfo_offset is non-null then this points to another
|
|
* buffer. The offset is relative to the start of the smb packet
|
|
*/
|
|
dissect_smb2_olb_buffer(pinfo, tree, tvb, &e_olb, si, dissect_smb2_create_extra_info);
|
|
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &e_olb);
|
|
|
|
/* free si->saved->extra_info we dont need it any more */
|
|
if(si->saved && si->saved->extra_info_type==SMB2_EI_FILENAME){
|
|
g_free(si->saved->extra_info);
|
|
si->saved->extra_info=NULL;
|
|
si->saved->extra_info_type=SMB2_EI_NONE;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_smb2_setinfo_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
guint32 setinfo_size;
|
|
guint16 setinfo_offset;
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* class and info level */
|
|
offset = dissect_smb2_class_infolevel(pinfo, tvb, offset, tree, si);
|
|
|
|
/* size */
|
|
setinfo_size=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_setinfo_size, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* offset */
|
|
setinfo_offset=tvb_get_letohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_setinfo_offset, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 6, TRUE);
|
|
offset += 6;
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_USE);
|
|
|
|
/* data */
|
|
if(si->saved)
|
|
dissect_smb2_infolevel(tvb, pinfo, tree, setinfo_offset, si, si->saved->class, si->saved->infolevel);
|
|
offset = setinfo_offset + setinfo_size;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_setinfo_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
/* class/infolevel */
|
|
dissect_smb2_class_infolevel(pinfo, tvb, offset, tree, si);
|
|
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_break_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* oplock */
|
|
offset = dissect_smb2_oplock(tree, tvb, offset);
|
|
|
|
/* reserved */
|
|
offset += 1;
|
|
|
|
/* reserved */
|
|
offset += 4;
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_USE);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_break_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si)
|
|
{
|
|
switch (si->status) {
|
|
case 0x00000000: break;
|
|
default: return dissect_smb2_error_response(tvb, pinfo, tree, offset, si);
|
|
}
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* oplock */
|
|
offset = dissect_smb2_oplock(tree, tvb, offset);
|
|
|
|
/* reserved */
|
|
offset += 1;
|
|
|
|
/* reserved */
|
|
offset += 4;
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_USE);
|
|
|
|
/* in break requests from server to client here're 24 byte zero bytes
|
|
* which are likely a bug in windows (they may use 2* 24 bytes instead of just
|
|
* 1 *24 bytes
|
|
*/
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* names here are just until we find better names for these functions */
|
|
static const value_string smb2_cmd_vals[] = {
|
|
{ 0x00, "NegotiateProtocol" },
|
|
{ 0x01, "SessionSetup" },
|
|
{ 0x02, "SessionLogoff" },
|
|
{ 0x03, "TreeConnect" },
|
|
{ 0x04, "TreeDisconnect" },
|
|
{ 0x05, "Create" },
|
|
{ 0x06, "Close" },
|
|
{ 0x07, "Flush" },
|
|
{ 0x08, "Read" },
|
|
{ 0x09, "Write" },
|
|
{ 0x0A, "Lock" },
|
|
{ 0x0B, "Ioctl" },
|
|
{ 0x0C, "Cancel" },
|
|
{ 0x0D, "KeepAlive" },
|
|
{ 0x0E, "Find" },
|
|
{ 0x0F, "Notify" },
|
|
{ 0x10, "GetInfo" },
|
|
{ 0x11, "SetInfo" },
|
|
{ 0x12, "Break" },
|
|
{ 0x13, "unknown-0x13" },
|
|
{ 0x14, "unknown-0x14" },
|
|
{ 0x15, "unknown-0x15" },
|
|
{ 0x16, "unknown-0x16" },
|
|
{ 0x17, "unknown-0x17" },
|
|
{ 0x18, "unknown-0x18" },
|
|
{ 0x19, "unknown-0x19" },
|
|
{ 0x1A, "unknown-0x1A" },
|
|
{ 0x1B, "unknown-0x1B" },
|
|
{ 0x1C, "unknown-0x1C" },
|
|
{ 0x1D, "unknown-0x1D" },
|
|
{ 0x1E, "unknown-0x1E" },
|
|
{ 0x1F, "unknown-0x1F" },
|
|
{ 0x20, "unknown-0x20" },
|
|
{ 0x21, "unknown-0x21" },
|
|
{ 0x22, "unknown-0x22" },
|
|
{ 0x23, "unknown-0x23" },
|
|
{ 0x24, "unknown-0x24" },
|
|
{ 0x25, "unknown-0x25" },
|
|
{ 0x26, "unknown-0x26" },
|
|
{ 0x27, "unknown-0x27" },
|
|
{ 0x28, "unknown-0x28" },
|
|
{ 0x29, "unknown-0x29" },
|
|
{ 0x2A, "unknown-0x2A" },
|
|
{ 0x2B, "unknown-0x2B" },
|
|
{ 0x2C, "unknown-0x2C" },
|
|
{ 0x2D, "unknown-0x2D" },
|
|
{ 0x2E, "unknown-0x2E" },
|
|
{ 0x2F, "unknown-0x2F" },
|
|
{ 0x30, "unknown-0x30" },
|
|
{ 0x31, "unknown-0x31" },
|
|
{ 0x32, "unknown-0x32" },
|
|
{ 0x33, "unknown-0x33" },
|
|
{ 0x34, "unknown-0x34" },
|
|
{ 0x35, "unknown-0x35" },
|
|
{ 0x36, "unknown-0x36" },
|
|
{ 0x37, "unknown-0x37" },
|
|
{ 0x38, "unknown-0x38" },
|
|
{ 0x39, "unknown-0x39" },
|
|
{ 0x3A, "unknown-0x3A" },
|
|
{ 0x3B, "unknown-0x3B" },
|
|
{ 0x3C, "unknown-0x3C" },
|
|
{ 0x3D, "unknown-0x3D" },
|
|
{ 0x3E, "unknown-0x3E" },
|
|
{ 0x3F, "unknown-0x3F" },
|
|
{ 0x40, "unknown-0x40" },
|
|
{ 0x41, "unknown-0x41" },
|
|
{ 0x42, "unknown-0x42" },
|
|
{ 0x43, "unknown-0x43" },
|
|
{ 0x44, "unknown-0x44" },
|
|
{ 0x45, "unknown-0x45" },
|
|
{ 0x46, "unknown-0x46" },
|
|
{ 0x47, "unknown-0x47" },
|
|
{ 0x48, "unknown-0x48" },
|
|
{ 0x49, "unknown-0x49" },
|
|
{ 0x4A, "unknown-0x4A" },
|
|
{ 0x4B, "unknown-0x4B" },
|
|
{ 0x4C, "unknown-0x4C" },
|
|
{ 0x4D, "unknown-0x4D" },
|
|
{ 0x4E, "unknown-0x4E" },
|
|
{ 0x4F, "unknown-0x4F" },
|
|
{ 0x50, "unknown-0x50" },
|
|
{ 0x51, "unknown-0x51" },
|
|
{ 0x52, "unknown-0x52" },
|
|
{ 0x53, "unknown-0x53" },
|
|
{ 0x54, "unknown-0x54" },
|
|
{ 0x55, "unknown-0x55" },
|
|
{ 0x56, "unknown-0x56" },
|
|
{ 0x57, "unknown-0x57" },
|
|
{ 0x58, "unknown-0x58" },
|
|
{ 0x59, "unknown-0x59" },
|
|
{ 0x5A, "unknown-0x5A" },
|
|
{ 0x5B, "unknown-0x5B" },
|
|
{ 0x5C, "unknown-0x5C" },
|
|
{ 0x5D, "unknown-0x5D" },
|
|
{ 0x5E, "unknown-0x5E" },
|
|
{ 0x5F, "unknown-0x5F" },
|
|
{ 0x60, "unknown-0x60" },
|
|
{ 0x61, "unknown-0x61" },
|
|
{ 0x62, "unknown-0x62" },
|
|
{ 0x63, "unknown-0x63" },
|
|
{ 0x64, "unknown-0x64" },
|
|
{ 0x65, "unknown-0x65" },
|
|
{ 0x66, "unknown-0x66" },
|
|
{ 0x67, "unknown-0x67" },
|
|
{ 0x68, "unknown-0x68" },
|
|
{ 0x69, "unknown-0x69" },
|
|
{ 0x6A, "unknown-0x6A" },
|
|
{ 0x6B, "unknown-0x6B" },
|
|
{ 0x6C, "unknown-0x6C" },
|
|
{ 0x6D, "unknown-0x6D" },
|
|
{ 0x6E, "unknown-0x6E" },
|
|
{ 0x6F, "unknown-0x6F" },
|
|
{ 0x70, "unknown-0x70" },
|
|
{ 0x71, "unknown-0x71" },
|
|
{ 0x72, "unknown-0x72" },
|
|
{ 0x73, "unknown-0x73" },
|
|
{ 0x74, "unknown-0x74" },
|
|
{ 0x75, "unknown-0x75" },
|
|
{ 0x76, "unknown-0x76" },
|
|
{ 0x77, "unknown-0x77" },
|
|
{ 0x78, "unknown-0x78" },
|
|
{ 0x79, "unknown-0x79" },
|
|
{ 0x7A, "unknown-0x7A" },
|
|
{ 0x7B, "unknown-0x7B" },
|
|
{ 0x7C, "unknown-0x7C" },
|
|
{ 0x7D, "unknown-0x7D" },
|
|
{ 0x7E, "unknown-0x7E" },
|
|
{ 0x7F, "unknown-0x7F" },
|
|
{ 0x80, "unknown-0x80" },
|
|
{ 0x81, "unknown-0x81" },
|
|
{ 0x82, "unknown-0x82" },
|
|
{ 0x83, "unknown-0x83" },
|
|
{ 0x84, "unknown-0x84" },
|
|
{ 0x85, "unknown-0x85" },
|
|
{ 0x86, "unknown-0x86" },
|
|
{ 0x87, "unknown-0x87" },
|
|
{ 0x88, "unknown-0x88" },
|
|
{ 0x89, "unknown-0x89" },
|
|
{ 0x8A, "unknown-0x8A" },
|
|
{ 0x8B, "unknown-0x8B" },
|
|
{ 0x8C, "unknown-0x8C" },
|
|
{ 0x8D, "unknown-0x8D" },
|
|
{ 0x8E, "unknown-0x8E" },
|
|
{ 0x8F, "unknown-0x8F" },
|
|
{ 0x90, "unknown-0x90" },
|
|
{ 0x91, "unknown-0x91" },
|
|
{ 0x92, "unknown-0x92" },
|
|
{ 0x93, "unknown-0x93" },
|
|
{ 0x94, "unknown-0x94" },
|
|
{ 0x95, "unknown-0x95" },
|
|
{ 0x96, "unknown-0x96" },
|
|
{ 0x97, "unknown-0x97" },
|
|
{ 0x98, "unknown-0x98" },
|
|
{ 0x99, "unknown-0x99" },
|
|
{ 0x9A, "unknown-0x9A" },
|
|
{ 0x9B, "unknown-0x9B" },
|
|
{ 0x9C, "unknown-0x9C" },
|
|
{ 0x9D, "unknown-0x9D" },
|
|
{ 0x9E, "unknown-0x9E" },
|
|
{ 0x9F, "unknown-0x9F" },
|
|
{ 0xA0, "unknown-0xA0" },
|
|
{ 0xA1, "unknown-0xA1" },
|
|
{ 0xA2, "unknown-0xA2" },
|
|
{ 0xA3, "unknown-0xA3" },
|
|
{ 0xA4, "unknown-0xA4" },
|
|
{ 0xA5, "unknown-0xA5" },
|
|
{ 0xA6, "unknown-0xA6" },
|
|
{ 0xA7, "unknown-0xA7" },
|
|
{ 0xA8, "unknown-0xA8" },
|
|
{ 0xA9, "unknown-0xA9" },
|
|
{ 0xAA, "unknown-0xAA" },
|
|
{ 0xAB, "unknown-0xAB" },
|
|
{ 0xAC, "unknown-0xAC" },
|
|
{ 0xAD, "unknown-0xAD" },
|
|
{ 0xAE, "unknown-0xAE" },
|
|
{ 0xAF, "unknown-0xAF" },
|
|
{ 0xB0, "unknown-0xB0" },
|
|
{ 0xB1, "unknown-0xB1" },
|
|
{ 0xB2, "unknown-0xB2" },
|
|
{ 0xB3, "unknown-0xB3" },
|
|
{ 0xB4, "unknown-0xB4" },
|
|
{ 0xB5, "unknown-0xB5" },
|
|
{ 0xB6, "unknown-0xB6" },
|
|
{ 0xB7, "unknown-0xB7" },
|
|
{ 0xB8, "unknown-0xB8" },
|
|
{ 0xB9, "unknown-0xB9" },
|
|
{ 0xBA, "unknown-0xBA" },
|
|
{ 0xBB, "unknown-0xBB" },
|
|
{ 0xBC, "unknown-0xBC" },
|
|
{ 0xBD, "unknown-0xBD" },
|
|
{ 0xBE, "unknown-0xBE" },
|
|
{ 0xBF, "unknown-0xBF" },
|
|
{ 0xC0, "unknown-0xC0" },
|
|
{ 0xC1, "unknown-0xC1" },
|
|
{ 0xC2, "unknown-0xC2" },
|
|
{ 0xC3, "unknown-0xC3" },
|
|
{ 0xC4, "unknown-0xC4" },
|
|
{ 0xC5, "unknown-0xC5" },
|
|
{ 0xC6, "unknown-0xC6" },
|
|
{ 0xC7, "unknown-0xC7" },
|
|
{ 0xC8, "unknown-0xC8" },
|
|
{ 0xC9, "unknown-0xC9" },
|
|
{ 0xCA, "unknown-0xCA" },
|
|
{ 0xCB, "unknown-0xCB" },
|
|
{ 0xCC, "unknown-0xCC" },
|
|
{ 0xCD, "unknown-0xCD" },
|
|
{ 0xCE, "unknown-0xCE" },
|
|
{ 0xCF, "unknown-0xCF" },
|
|
{ 0xD0, "unknown-0xD0" },
|
|
{ 0xD1, "unknown-0xD1" },
|
|
{ 0xD2, "unknown-0xD2" },
|
|
{ 0xD3, "unknown-0xD3" },
|
|
{ 0xD4, "unknown-0xD4" },
|
|
{ 0xD5, "unknown-0xD5" },
|
|
{ 0xD6, "unknown-0xD6" },
|
|
{ 0xD7, "unknown-0xD7" },
|
|
{ 0xD8, "unknown-0xD8" },
|
|
{ 0xD9, "unknown-0xD9" },
|
|
{ 0xDA, "unknown-0xDA" },
|
|
{ 0xDB, "unknown-0xDB" },
|
|
{ 0xDC, "unknown-0xDC" },
|
|
{ 0xDD, "unknown-0xDD" },
|
|
{ 0xDE, "unknown-0xDE" },
|
|
{ 0xDF, "unknown-0xDF" },
|
|
{ 0xE0, "unknown-0xE0" },
|
|
{ 0xE1, "unknown-0xE1" },
|
|
{ 0xE2, "unknown-0xE2" },
|
|
{ 0xE3, "unknown-0xE3" },
|
|
{ 0xE4, "unknown-0xE4" },
|
|
{ 0xE5, "unknown-0xE5" },
|
|
{ 0xE6, "unknown-0xE6" },
|
|
{ 0xE7, "unknown-0xE7" },
|
|
{ 0xE8, "unknown-0xE8" },
|
|
{ 0xE9, "unknown-0xE9" },
|
|
{ 0xEA, "unknown-0xEA" },
|
|
{ 0xEB, "unknown-0xEB" },
|
|
{ 0xEC, "unknown-0xEC" },
|
|
{ 0xED, "unknown-0xED" },
|
|
{ 0xEE, "unknown-0xEE" },
|
|
{ 0xEF, "unknown-0xEF" },
|
|
{ 0xF0, "unknown-0xF0" },
|
|
{ 0xF1, "unknown-0xF1" },
|
|
{ 0xF2, "unknown-0xF2" },
|
|
{ 0xF3, "unknown-0xF3" },
|
|
{ 0xF4, "unknown-0xF4" },
|
|
{ 0xF5, "unknown-0xF5" },
|
|
{ 0xF6, "unknown-0xF6" },
|
|
{ 0xF7, "unknown-0xF7" },
|
|
{ 0xF8, "unknown-0xF8" },
|
|
{ 0xF9, "unknown-0xF9" },
|
|
{ 0xFA, "unknown-0xFA" },
|
|
{ 0xFB, "unknown-0xFB" },
|
|
{ 0xFC, "unknown-0xFC" },
|
|
{ 0xFD, "unknown-0xFD" },
|
|
{ 0xFE, "unknown-0xFE" },
|
|
{ 0xFF, "unknown-0xFF" },
|
|
{ 0x00, NULL },
|
|
};
|
|
|
|
value_string_ext smb2_cmd_vals_ext = VALUE_STRING_EXT_INIT(smb2_cmd_vals);
|
|
|
|
static const char *decode_smb2_name(guint16 cmd)
|
|
{
|
|
if (cmd > 0xFF) return "unknown";
|
|
return(smb2_cmd_vals[cmd & 0xFF].strptr);
|
|
}
|
|
|
|
static smb2_function smb2_dissector[256] = {
|
|
/* 0x00 NegotiateProtocol*/
|
|
{dissect_smb2_negotiate_protocol_request,
|
|
dissect_smb2_negotiate_protocol_response},
|
|
/* 0x01 SessionSetup*/
|
|
{dissect_smb2_session_setup_request,
|
|
dissect_smb2_session_setup_response},
|
|
/* 0x02 SessionLogoff*/
|
|
{dissect_smb2_sessionlogoff_request,
|
|
dissect_smb2_sessionlogoff_response},
|
|
/* 0x03 TreeConnect*/
|
|
{dissect_smb2_tree_connect_request,
|
|
dissect_smb2_tree_connect_response},
|
|
/* 0x04 TreeDisconnect*/
|
|
{dissect_smb2_tree_disconnect_request,
|
|
dissect_smb2_tree_disconnect_response},
|
|
/* 0x05 Create*/
|
|
{dissect_smb2_create_request,
|
|
dissect_smb2_create_response},
|
|
/* 0x06 Close*/
|
|
{dissect_smb2_close_request,
|
|
dissect_smb2_close_response},
|
|
/* 0x07 Flush*/
|
|
{dissect_smb2_flush_request,
|
|
dissect_smb2_flush_response},
|
|
/* 0x08 Read*/
|
|
{dissect_smb2_read_request,
|
|
dissect_smb2_read_response},
|
|
/* 0x09 Writew*/
|
|
{dissect_smb2_write_request,
|
|
dissect_smb2_write_response},
|
|
/* 0x0a Lock */
|
|
{dissect_smb2_lock_request,
|
|
dissect_smb2_lock_response},
|
|
/* 0x0b Ioctl*/
|
|
{dissect_smb2_ioctl_request,
|
|
dissect_smb2_ioctl_response},
|
|
/* 0x0c Cancel*/
|
|
{dissect_smb2_cancel_request,
|
|
NULL},
|
|
/* 0x0d KeepAlive*/
|
|
{dissect_smb2_keepalive_request,
|
|
dissect_smb2_keepalive_response},
|
|
/* 0x0e Find*/
|
|
{dissect_smb2_find_request,
|
|
dissect_smb2_find_response},
|
|
/* 0x0f Notify*/
|
|
{dissect_smb2_notify_request,
|
|
dissect_smb2_notify_response},
|
|
/* 0x10 GetInfo*/
|
|
{dissect_smb2_getinfo_request,
|
|
dissect_smb2_getinfo_response},
|
|
/* 0x11 SetInfo*/
|
|
{dissect_smb2_setinfo_request,
|
|
dissect_smb2_setinfo_response},
|
|
/* 0x12 Break */
|
|
{dissect_smb2_break_request,
|
|
dissect_smb2_break_response},
|
|
/* 0x13 */ {NULL, NULL},
|
|
/* 0x14 */ {NULL, NULL},
|
|
/* 0x15 */ {NULL, NULL},
|
|
/* 0x16 */ {NULL, NULL},
|
|
/* 0x17 */ {NULL, NULL},
|
|
/* 0x18 */ {NULL, NULL},
|
|
/* 0x19 */ {NULL, NULL},
|
|
/* 0x1a */ {NULL, NULL},
|
|
/* 0x1b */ {NULL, NULL},
|
|
/* 0x1c */ {NULL, NULL},
|
|
/* 0x1d */ {NULL, NULL},
|
|
/* 0x1e */ {NULL, NULL},
|
|
/* 0x1f */ {NULL, NULL},
|
|
/* 0x20 */ {NULL, NULL},
|
|
/* 0x21 */ {NULL, NULL},
|
|
/* 0x22 */ {NULL, NULL},
|
|
/* 0x23 */ {NULL, NULL},
|
|
/* 0x24 */ {NULL, NULL},
|
|
/* 0x25 */ {NULL, NULL},
|
|
/* 0x26 */ {NULL, NULL},
|
|
/* 0x27 */ {NULL, NULL},
|
|
/* 0x28 */ {NULL, NULL},
|
|
/* 0x29 */ {NULL, NULL},
|
|
/* 0x2a */ {NULL, NULL},
|
|
/* 0x2b */ {NULL, NULL},
|
|
/* 0x2c */ {NULL, NULL},
|
|
/* 0x2d */ {NULL, NULL},
|
|
/* 0x2e */ {NULL, NULL},
|
|
/* 0x2f */ {NULL, NULL},
|
|
/* 0x30 */ {NULL, NULL},
|
|
/* 0x31 */ {NULL, NULL},
|
|
/* 0x32 */ {NULL, NULL},
|
|
/* 0x33 */ {NULL, NULL},
|
|
/* 0x34 */ {NULL, NULL},
|
|
/* 0x35 */ {NULL, NULL},
|
|
/* 0x36 */ {NULL, NULL},
|
|
/* 0x37 */ {NULL, NULL},
|
|
/* 0x38 */ {NULL, NULL},
|
|
/* 0x39 */ {NULL, NULL},
|
|
/* 0x3a */ {NULL, NULL},
|
|
/* 0x3b */ {NULL, NULL},
|
|
/* 0x3c */ {NULL, NULL},
|
|
/* 0x3d */ {NULL, NULL},
|
|
/* 0x3e */ {NULL, NULL},
|
|
/* 0x3f */ {NULL, NULL},
|
|
/* 0x40 */ {NULL, NULL},
|
|
/* 0x41 */ {NULL, NULL},
|
|
/* 0x42 */ {NULL, NULL},
|
|
/* 0x43 */ {NULL, NULL},
|
|
/* 0x44 */ {NULL, NULL},
|
|
/* 0x45 */ {NULL, NULL},
|
|
/* 0x46 */ {NULL, NULL},
|
|
/* 0x47 */ {NULL, NULL},
|
|
/* 0x48 */ {NULL, NULL},
|
|
/* 0x49 */ {NULL, NULL},
|
|
/* 0x4a */ {NULL, NULL},
|
|
/* 0x4b */ {NULL, NULL},
|
|
/* 0x4c */ {NULL, NULL},
|
|
/* 0x4d */ {NULL, NULL},
|
|
/* 0x4e */ {NULL, NULL},
|
|
/* 0x4f */ {NULL, NULL},
|
|
/* 0x50 */ {NULL, NULL},
|
|
/* 0x51 */ {NULL, NULL},
|
|
/* 0x52 */ {NULL, NULL},
|
|
/* 0x53 */ {NULL, NULL},
|
|
/* 0x54 */ {NULL, NULL},
|
|
/* 0x55 */ {NULL, NULL},
|
|
/* 0x56 */ {NULL, NULL},
|
|
/* 0x57 */ {NULL, NULL},
|
|
/* 0x58 */ {NULL, NULL},
|
|
/* 0x59 */ {NULL, NULL},
|
|
/* 0x5a */ {NULL, NULL},
|
|
/* 0x5b */ {NULL, NULL},
|
|
/* 0x5c */ {NULL, NULL},
|
|
/* 0x5d */ {NULL, NULL},
|
|
/* 0x5e */ {NULL, NULL},
|
|
/* 0x5f */ {NULL, NULL},
|
|
/* 0x60 */ {NULL, NULL},
|
|
/* 0x61 */ {NULL, NULL},
|
|
/* 0x62 */ {NULL, NULL},
|
|
/* 0x63 */ {NULL, NULL},
|
|
/* 0x64 */ {NULL, NULL},
|
|
/* 0x65 */ {NULL, NULL},
|
|
/* 0x66 */ {NULL, NULL},
|
|
/* 0x67 */ {NULL, NULL},
|
|
/* 0x68 */ {NULL, NULL},
|
|
/* 0x69 */ {NULL, NULL},
|
|
/* 0x6a */ {NULL, NULL},
|
|
/* 0x6b */ {NULL, NULL},
|
|
/* 0x6c */ {NULL, NULL},
|
|
/* 0x6d */ {NULL, NULL},
|
|
/* 0x6e */ {NULL, NULL},
|
|
/* 0x6f */ {NULL, NULL},
|
|
/* 0x70 */ {NULL, NULL},
|
|
/* 0x71 */ {NULL, NULL},
|
|
/* 0x72 */ {NULL, NULL},
|
|
/* 0x73 */ {NULL, NULL},
|
|
/* 0x74 */ {NULL, NULL},
|
|
/* 0x75 */ {NULL, NULL},
|
|
/* 0x76 */ {NULL, NULL},
|
|
/* 0x77 */ {NULL, NULL},
|
|
/* 0x78 */ {NULL, NULL},
|
|
/* 0x79 */ {NULL, NULL},
|
|
/* 0x7a */ {NULL, NULL},
|
|
/* 0x7b */ {NULL, NULL},
|
|
/* 0x7c */ {NULL, NULL},
|
|
/* 0x7d */ {NULL, NULL},
|
|
/* 0x7e */ {NULL, NULL},
|
|
/* 0x7f */ {NULL, NULL},
|
|
/* 0x80 */ {NULL, NULL},
|
|
/* 0x81 */ {NULL, NULL},
|
|
/* 0x82 */ {NULL, NULL},
|
|
/* 0x83 */ {NULL, NULL},
|
|
/* 0x84 */ {NULL, NULL},
|
|
/* 0x85 */ {NULL, NULL},
|
|
/* 0x86 */ {NULL, NULL},
|
|
/* 0x87 */ {NULL, NULL},
|
|
/* 0x88 */ {NULL, NULL},
|
|
/* 0x89 */ {NULL, NULL},
|
|
/* 0x8a */ {NULL, NULL},
|
|
/* 0x8b */ {NULL, NULL},
|
|
/* 0x8c */ {NULL, NULL},
|
|
/* 0x8d */ {NULL, NULL},
|
|
/* 0x8e */ {NULL, NULL},
|
|
/* 0x8f */ {NULL, NULL},
|
|
/* 0x90 */ {NULL, NULL},
|
|
/* 0x91 */ {NULL, NULL},
|
|
/* 0x92 */ {NULL, NULL},
|
|
/* 0x93 */ {NULL, NULL},
|
|
/* 0x94 */ {NULL, NULL},
|
|
/* 0x95 */ {NULL, NULL},
|
|
/* 0x96 */ {NULL, NULL},
|
|
/* 0x97 */ {NULL, NULL},
|
|
/* 0x98 */ {NULL, NULL},
|
|
/* 0x99 */ {NULL, NULL},
|
|
/* 0x9a */ {NULL, NULL},
|
|
/* 0x9b */ {NULL, NULL},
|
|
/* 0x9c */ {NULL, NULL},
|
|
/* 0x9d */ {NULL, NULL},
|
|
/* 0x9e */ {NULL, NULL},
|
|
/* 0x9f */ {NULL, NULL},
|
|
/* 0xa0 */ {NULL, NULL},
|
|
/* 0xa1 */ {NULL, NULL},
|
|
/* 0xa2 */ {NULL, NULL},
|
|
/* 0xa3 */ {NULL, NULL},
|
|
/* 0xa4 */ {NULL, NULL},
|
|
/* 0xa5 */ {NULL, NULL},
|
|
/* 0xa6 */ {NULL, NULL},
|
|
/* 0xa7 */ {NULL, NULL},
|
|
/* 0xa8 */ {NULL, NULL},
|
|
/* 0xa9 */ {NULL, NULL},
|
|
/* 0xaa */ {NULL, NULL},
|
|
/* 0xab */ {NULL, NULL},
|
|
/* 0xac */ {NULL, NULL},
|
|
/* 0xad */ {NULL, NULL},
|
|
/* 0xae */ {NULL, NULL},
|
|
/* 0xaf */ {NULL, NULL},
|
|
/* 0xb0 */ {NULL, NULL},
|
|
/* 0xb1 */ {NULL, NULL},
|
|
/* 0xb2 */ {NULL, NULL},
|
|
/* 0xb3 */ {NULL, NULL},
|
|
/* 0xb4 */ {NULL, NULL},
|
|
/* 0xb5 */ {NULL, NULL},
|
|
/* 0xb6 */ {NULL, NULL},
|
|
/* 0xb7 */ {NULL, NULL},
|
|
/* 0xb8 */ {NULL, NULL},
|
|
/* 0xb9 */ {NULL, NULL},
|
|
/* 0xba */ {NULL, NULL},
|
|
/* 0xbb */ {NULL, NULL},
|
|
/* 0xbc */ {NULL, NULL},
|
|
/* 0xbd */ {NULL, NULL},
|
|
/* 0xbe */ {NULL, NULL},
|
|
/* 0xbf */ {NULL, NULL},
|
|
/* 0xc0 */ {NULL, NULL},
|
|
/* 0xc1 */ {NULL, NULL},
|
|
/* 0xc2 */ {NULL, NULL},
|
|
/* 0xc3 */ {NULL, NULL},
|
|
/* 0xc4 */ {NULL, NULL},
|
|
/* 0xc5 */ {NULL, NULL},
|
|
/* 0xc6 */ {NULL, NULL},
|
|
/* 0xc7 */ {NULL, NULL},
|
|
/* 0xc8 */ {NULL, NULL},
|
|
/* 0xc9 */ {NULL, NULL},
|
|
/* 0xca */ {NULL, NULL},
|
|
/* 0xcb */ {NULL, NULL},
|
|
/* 0xcc */ {NULL, NULL},
|
|
/* 0xcd */ {NULL, NULL},
|
|
/* 0xce */ {NULL, NULL},
|
|
/* 0xcf */ {NULL, NULL},
|
|
/* 0xd0 */ {NULL, NULL},
|
|
/* 0xd1 */ {NULL, NULL},
|
|
/* 0xd2 */ {NULL, NULL},
|
|
/* 0xd3 */ {NULL, NULL},
|
|
/* 0xd4 */ {NULL, NULL},
|
|
/* 0xd5 */ {NULL, NULL},
|
|
/* 0xd6 */ {NULL, NULL},
|
|
/* 0xd7 */ {NULL, NULL},
|
|
/* 0xd8 */ {NULL, NULL},
|
|
/* 0xd9 */ {NULL, NULL},
|
|
/* 0xda */ {NULL, NULL},
|
|
/* 0xdb */ {NULL, NULL},
|
|
/* 0xdc */ {NULL, NULL},
|
|
/* 0xdd */ {NULL, NULL},
|
|
/* 0xde */ {NULL, NULL},
|
|
/* 0xdf */ {NULL, NULL},
|
|
/* 0xe0 */ {NULL, NULL},
|
|
/* 0xe1 */ {NULL, NULL},
|
|
/* 0xe2 */ {NULL, NULL},
|
|
/* 0xe3 */ {NULL, NULL},
|
|
/* 0xe4 */ {NULL, NULL},
|
|
/* 0xe5 */ {NULL, NULL},
|
|
/* 0xe6 */ {NULL, NULL},
|
|
/* 0xe7 */ {NULL, NULL},
|
|
/* 0xe8 */ {NULL, NULL},
|
|
/* 0xe9 */ {NULL, NULL},
|
|
/* 0xea */ {NULL, NULL},
|
|
/* 0xeb */ {NULL, NULL},
|
|
/* 0xec */ {NULL, NULL},
|
|
/* 0xed */ {NULL, NULL},
|
|
/* 0xee */ {NULL, NULL},
|
|
/* 0xef */ {NULL, NULL},
|
|
/* 0xf0 */ {NULL, NULL},
|
|
/* 0xf1 */ {NULL, NULL},
|
|
/* 0xf2 */ {NULL, NULL},
|
|
/* 0xf3 */ {NULL, NULL},
|
|
/* 0xf4 */ {NULL, NULL},
|
|
/* 0xf5 */ {NULL, NULL},
|
|
/* 0xf6 */ {NULL, NULL},
|
|
/* 0xf7 */ {NULL, NULL},
|
|
/* 0xf8 */ {NULL, NULL},
|
|
/* 0xf9 */ {NULL, NULL},
|
|
/* 0xfa */ {NULL, NULL},
|
|
/* 0xfb */ {NULL, NULL},
|
|
/* 0xfc */ {NULL, NULL},
|
|
/* 0xfd */ {NULL, NULL},
|
|
/* 0xfe */ {NULL, NULL},
|
|
/* 0xff */ {NULL, NULL},
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_smb2_command(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset, smb2_info_t *si)
|
|
{
|
|
int (*cmd_dissector)(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si);
|
|
proto_item *cmd_item;
|
|
proto_tree *cmd_tree;
|
|
int old_offset = offset;
|
|
|
|
cmd_item = proto_tree_add_text(tree, tvb, offset, -1,
|
|
"%s %s (0x%02x)",
|
|
decode_smb2_name(si->opcode),
|
|
(si->flags & SMB2_FLAGS_RESPONSE)?"Response":"Request",
|
|
si->opcode);
|
|
cmd_tree = proto_item_add_subtree(cmd_item, ett_smb2_command);
|
|
|
|
|
|
cmd_dissector=(si->flags & SMB2_FLAGS_RESPONSE)?
|
|
smb2_dissector[si->opcode&0xff].response:
|
|
smb2_dissector[si->opcode&0xff].request;
|
|
if(cmd_dissector){
|
|
offset=(*cmd_dissector)(tvb, pinfo, cmd_tree, offset, si);
|
|
} else {
|
|
proto_tree_add_item(cmd_tree, hf_smb2_unknown, tvb, offset, -1, FALSE);
|
|
offset=tvb_length(tvb);
|
|
}
|
|
|
|
proto_item_set_len(cmd_item, offset-old_offset);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_tid_sesid(packet_info *pinfo _U_, proto_tree *tree, tvbuff_t *tvb, int offset, smb2_info_t *si)
|
|
{
|
|
proto_item *tid_item=NULL;
|
|
proto_tree *tid_tree=NULL;
|
|
smb2_tid_info_t tid_key;
|
|
int tid_offset = 0;
|
|
proto_item *sesid_item=NULL;
|
|
proto_tree *sesid_tree=NULL;
|
|
smb2_sesid_info_t sesid_key;
|
|
int sesid_offset;
|
|
proto_item *item;
|
|
unsigned int pid;
|
|
|
|
|
|
if (si->flags&SMB2_FLAGS_ASYNC_CMD) {
|
|
proto_tree_add_item(tree, hf_smb2_aid, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
} else {
|
|
/* Process ID */
|
|
pid=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_uint_format(tree, hf_smb2_pid, tvb, offset, 4, pid, "Process Id: %08x",pid);
|
|
offset += 4;
|
|
|
|
/* Tree ID */
|
|
tid_offset = offset;
|
|
si->tid=tvb_get_letohl(tvb, offset);
|
|
tid_item=proto_tree_add_item(tree, hf_smb2_tid, tvb, offset, 4, TRUE);
|
|
if(tree){
|
|
tid_tree=proto_item_add_subtree(tid_item, ett_smb2_tid_tree);
|
|
}
|
|
offset += 4;
|
|
}
|
|
|
|
/* Session ID */
|
|
sesid_offset = offset;
|
|
si->sesid=tvb_get_letoh64(tvb, offset);
|
|
sesid_item=proto_tree_add_item(tree, hf_smb2_sesid, tvb, offset, 8, TRUE);
|
|
if(tree){
|
|
sesid_tree=proto_item_add_subtree(sesid_item, ett_smb2_sesid_tree);
|
|
}
|
|
offset += 8;
|
|
|
|
/* now we need to first lookup the uid session */
|
|
sesid_key.sesid=si->sesid;
|
|
si->session=g_hash_table_lookup(si->conv->sesids, &sesid_key);
|
|
if(!si->session) {
|
|
if (si->opcode != 0x03) return offset;
|
|
|
|
/* if we come to a session that is unknown, and the operation is
|
|
* a tree connect, we create a dummy sessison, so we can hang the
|
|
* tree data on it
|
|
*/
|
|
si->session=se_alloc(sizeof(smb2_sesid_info_t));
|
|
si->session->sesid=si->sesid;
|
|
si->session->acct_name=NULL;
|
|
si->session->domain_name=NULL;
|
|
si->session->host_name=NULL;
|
|
si->session->auth_frame=(guint32)-1;
|
|
si->session->tids= g_hash_table_new(smb2_tid_info_hash, smb2_tid_info_equal);
|
|
g_hash_table_insert(si->conv->sesids, si->session, si->session);
|
|
|
|
return offset;
|
|
}
|
|
|
|
if (si->session->auth_frame != (guint32)-1) {
|
|
item=proto_tree_add_string(sesid_tree, hf_smb2_acct_name, tvb, sesid_offset, 0, si->session->acct_name);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
proto_item_append_text(sesid_item, " Acct:%s", si->session->acct_name);
|
|
|
|
item=proto_tree_add_string(sesid_tree, hf_smb2_domain_name, tvb, sesid_offset, 0, si->session->domain_name);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
proto_item_append_text(sesid_item, " Domain:%s", si->session->domain_name);
|
|
|
|
item=proto_tree_add_string(sesid_tree, hf_smb2_host_name, tvb, sesid_offset, 0, si->session->host_name);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
proto_item_append_text(sesid_item, " Host:%s", si->session->host_name);
|
|
|
|
item=proto_tree_add_uint(sesid_tree, hf_smb2_auth_frame, tvb, sesid_offset, 0, si->session->auth_frame);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
}
|
|
|
|
if (!(si->flags&SMB2_FLAGS_ASYNC_CMD)) {
|
|
/* see if we can find the name for this tid */
|
|
tid_key.tid=si->tid;
|
|
si->tree=g_hash_table_lookup(si->session->tids, &tid_key);
|
|
if(!si->tree) return offset;
|
|
|
|
item=proto_tree_add_string(tid_tree, hf_smb2_tree, tvb, tid_offset, 4, si->tree->name);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
proto_item_append_text(tid_item, " %s", si->tree->name);
|
|
|
|
item=proto_tree_add_uint(tid_tree, hf_smb2_share_type, tvb, tid_offset, 0, si->tree->share_type);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
|
|
item=proto_tree_add_uint(tid_tree, hf_smb2_tcon_frame, tvb, tid_offset, 0, si->tree->connect_frame);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, gboolean first_in_chain)
|
|
{
|
|
proto_item *seqnum_item;
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
proto_item *header_item=NULL;
|
|
proto_tree *header_tree=NULL;
|
|
proto_item *flags_item=NULL;
|
|
proto_tree *flags_tree=NULL;
|
|
int offset = 0;
|
|
int chain_offset = 0;
|
|
guint16 header_len;
|
|
conversation_t *conversation;
|
|
smb2_saved_info_t *ssi=NULL, ssi_key;
|
|
smb2_info_t *si;
|
|
|
|
si=ep_alloc(sizeof(smb2_info_t));
|
|
si->conv=NULL;
|
|
si->saved=NULL;
|
|
si->tree=NULL;
|
|
si->top_tree=parent_tree;
|
|
|
|
/* find which conversation we are part of and get the data for that
|
|
* conversation
|
|
*/
|
|
conversation = find_or_create_conversation(pinfo);
|
|
si->conv=conversation_get_proto_data(conversation, proto_smb2);
|
|
if(!si->conv){
|
|
/* no smb2_into_t structure for this conversation yet,
|
|
* create it.
|
|
*/
|
|
si->conv=se_alloc(sizeof(smb2_conv_info_t));
|
|
/* qqq this leaks memory for now since we never free
|
|
the hashtables */
|
|
si->conv->matched= g_hash_table_new(smb2_saved_info_hash_matched,
|
|
smb2_saved_info_equal_matched);
|
|
si->conv->unmatched= g_hash_table_new(smb2_saved_info_hash_unmatched,
|
|
smb2_saved_info_equal_unmatched);
|
|
si->conv->sesids= g_hash_table_new(smb2_sesid_info_hash,
|
|
smb2_sesid_info_equal);
|
|
|
|
conversation_add_proto_data(conversation, proto_smb2, si->conv);
|
|
}
|
|
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SMB2");
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
if (first_in_chain) {
|
|
/* first packet */
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
} else {
|
|
col_append_str(pinfo->cinfo, COL_INFO, ";");
|
|
}
|
|
}
|
|
|
|
if (parent_tree) {
|
|
item = proto_tree_add_item(parent_tree, proto_smb2, tvb, offset,
|
|
-1, FALSE);
|
|
tree = proto_item_add_subtree(item, ett_smb2);
|
|
}
|
|
|
|
|
|
if (tree) {
|
|
header_item = proto_tree_add_text(tree, tvb, offset, -1, "SMB2 Header");
|
|
header_tree = proto_item_add_subtree(header_item, ett_smb2_header);
|
|
}
|
|
|
|
/* Decode the header */
|
|
/* SMB2 marker */
|
|
proto_tree_add_text(header_tree, tvb, offset, 4, "Server Component: SMB2");
|
|
offset += 4;
|
|
|
|
/* header length */
|
|
header_len=tvb_get_letohs(tvb, offset);
|
|
proto_tree_add_item(header_tree, hf_smb2_header_len, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* credit charge (previously "epoch" (unused) which has been deprecated as of "SMB 2.1") */
|
|
proto_tree_add_item(header_tree, hf_smb2_credit_charge, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* Status Code */
|
|
si->status=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(header_tree, hf_smb2_nt_status, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
|
|
/* opcode */
|
|
si->opcode=tvb_get_letohs(tvb, offset);
|
|
proto_tree_add_item(header_tree, hf_smb2_cmd, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* we need the flags before we know how to parse the credits field */
|
|
si->flags=tvb_get_letohl(tvb, offset+2);
|
|
|
|
/* credits */
|
|
if (si->flags & SMB2_FLAGS_RESPONSE) {
|
|
proto_tree_add_item(header_tree, hf_smb2_credits_granted, tvb, offset, 2, TRUE);
|
|
} else {
|
|
proto_tree_add_item(header_tree, hf_smb2_credits_requested, tvb, offset, 2, TRUE);
|
|
}
|
|
offset += 2;
|
|
|
|
/* flags */
|
|
if(header_tree){
|
|
flags_item = proto_tree_add_text(header_tree, tvb, offset, 4,
|
|
"Flags: 0x%08x", si->flags);
|
|
flags_tree = proto_item_add_subtree(flags_item, ett_smb2_flags);
|
|
}
|
|
proto_tree_add_boolean(flags_tree, hf_smb2_flags_dfs_op, tvb, offset, 4, si->flags);
|
|
proto_tree_add_boolean(flags_tree, hf_smb2_flags_signature, tvb, offset, 4, si->flags);
|
|
proto_tree_add_boolean(flags_tree, hf_smb2_flags_chained, tvb, offset, 4, si->flags);
|
|
proto_tree_add_boolean(flags_tree, hf_smb2_flags_async_cmd, tvb, offset, 4, si->flags);
|
|
proto_tree_add_boolean(flags_tree, hf_smb2_flags_response, tvb, offset, 4, si->flags);
|
|
|
|
offset += 4;
|
|
|
|
/* Next Command */
|
|
chain_offset=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(header_tree, hf_smb2_chain_offset, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
|
|
/* command sequence number*/
|
|
si->seqnum=tvb_get_letoh64(tvb, offset);
|
|
ssi_key.seqnum=si->seqnum;
|
|
seqnum_item=proto_tree_add_item(header_tree, hf_smb2_seqnum, tvb, offset, 8, TRUE);
|
|
if(seqnum_item && (si->seqnum==-1)){
|
|
proto_item_append_text(seqnum_item, " (unsolicited response)");
|
|
}
|
|
offset += 8;
|
|
|
|
/* Tree ID and Session ID */
|
|
offset = dissect_smb2_tid_sesid(pinfo, header_tree, tvb, offset, si);
|
|
|
|
/* Signature */
|
|
proto_tree_add_item(header_tree, hf_smb2_signature, tvb, offset, 16, FALSE);
|
|
offset += 16;
|
|
|
|
proto_item_set_len(header_item, offset);
|
|
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "%s %s",
|
|
decode_smb2_name(si->opcode),
|
|
(si->flags & SMB2_FLAGS_RESPONSE)?"Response":"Request");
|
|
if(si->status){
|
|
col_append_fstr(
|
|
pinfo->cinfo, COL_INFO, ", Error: %s",
|
|
val_to_str(si->status, NT_errors,
|
|
"Unknown (0x%08X)"));
|
|
}
|
|
}
|
|
|
|
|
|
if(!pinfo->fd->flags.visited){
|
|
/* see if we can find this seqnum in the unmatched table */
|
|
ssi=g_hash_table_lookup(si->conv->unmatched, &ssi_key);
|
|
|
|
if(!(si->flags & SMB2_FLAGS_RESPONSE)){
|
|
/* This is a request */
|
|
if(ssi){
|
|
/* this is a request and we already found
|
|
* an older ssi so just delete the previous
|
|
* one
|
|
*/
|
|
g_hash_table_remove(si->conv->unmatched, ssi);
|
|
ssi=NULL;
|
|
}
|
|
|
|
if(!ssi){
|
|
/* no we couldnt find it, so just add it then
|
|
* if was a request we are decoding
|
|
*/
|
|
ssi=se_alloc(sizeof(smb2_saved_info_t));
|
|
ssi->class=0;
|
|
ssi->infolevel=0;
|
|
ssi->seqnum=ssi_key.seqnum;
|
|
ssi->frame_req=pinfo->fd->num;
|
|
ssi->frame_res=0;
|
|
ssi->req_time=pinfo->fd->abs_ts;
|
|
ssi->extra_info=NULL;
|
|
ssi->extra_info_type=SMB2_EI_NONE;
|
|
g_hash_table_insert(si->conv->unmatched, ssi, ssi);
|
|
}
|
|
} else {
|
|
/* This is a response */
|
|
if(ssi){
|
|
/* just set the response frame and move it to the matched table */
|
|
ssi->frame_res=pinfo->fd->num;
|
|
g_hash_table_remove(si->conv->unmatched, ssi);
|
|
g_hash_table_insert(si->conv->matched, ssi, ssi);
|
|
}
|
|
}
|
|
} else {
|
|
/* see if we can find this seqnum in the matched table */
|
|
ssi=g_hash_table_lookup(si->conv->matched, &ssi_key);
|
|
/* if we couldnt find it in the matched table, it might still
|
|
* be in the unmatched table
|
|
*/
|
|
if(!ssi){
|
|
ssi=g_hash_table_lookup(si->conv->unmatched, &ssi_key);
|
|
}
|
|
}
|
|
|
|
if(ssi){
|
|
if(!(si->flags & SMB2_FLAGS_RESPONSE)){
|
|
if(ssi->frame_res){
|
|
proto_item *tmp_item;
|
|
tmp_item=proto_tree_add_uint(header_tree, hf_smb2_response_in, tvb, 0, 0, ssi->frame_res);
|
|
PROTO_ITEM_SET_GENERATED(tmp_item);
|
|
}
|
|
} else {
|
|
if(ssi->frame_req){
|
|
proto_item *tmp_item;
|
|
nstime_t t, deltat;
|
|
|
|
tmp_item=proto_tree_add_uint(header_tree, hf_smb2_response_to, tvb, 0, 0, ssi->frame_req);
|
|
PROTO_ITEM_SET_GENERATED(tmp_item);
|
|
t = pinfo->fd->abs_ts;
|
|
nstime_delta(&deltat, &t, &ssi->req_time);
|
|
tmp_item=proto_tree_add_time(header_tree, hf_smb2_time, tvb,
|
|
0, 0, &deltat);
|
|
PROTO_ITEM_SET_GENERATED(tmp_item);
|
|
}
|
|
}
|
|
}
|
|
/* if we dont have ssi yet we must fake it */
|
|
/*qqq*/
|
|
si->saved=ssi;
|
|
|
|
tap_queue_packet(smb2_tap, pinfo, si);
|
|
|
|
/* Decode the payload */
|
|
offset = dissect_smb2_command(pinfo, tree, tvb, offset, si);
|
|
|
|
if (chain_offset > 0) {
|
|
tvbuff_t *next_tvb;
|
|
|
|
proto_item_set_len(item, chain_offset);
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, chain_offset);
|
|
offset = dissect_smb2(next_tvb, pinfo, parent_tree, FALSE);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static gboolean
|
|
dissect_smb2_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
|
|
{
|
|
int offset = 0;
|
|
|
|
/* must check that this really is a smb2 packet */
|
|
if (tvb_length(tvb) < 4)
|
|
return FALSE;
|
|
|
|
if( (tvb_get_guint8(tvb, 0) != 0xfe)
|
|
|| (tvb_get_guint8(tvb, 1) != 'S')
|
|
|| (tvb_get_guint8(tvb, 2) != 'M')
|
|
|| (tvb_get_guint8(tvb, 3) != 'B') ){
|
|
return FALSE;
|
|
}
|
|
|
|
offset = dissect_smb2(tvb, pinfo, parent_tree, TRUE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
proto_register_smb2(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_smb2_cmd,
|
|
{ "Command", "smb2.cmd", FT_UINT16, BASE_DEC|BASE_EXT_STRING,
|
|
&smb2_cmd_vals_ext, 0, "SMB2 Command Opcode", HFILL }},
|
|
{ &hf_smb2_response_to,
|
|
{ "Response to", "smb2.response_to", FT_FRAMENUM, BASE_NONE,
|
|
NULL, 0, "This packet is a response to the packet in this frame", HFILL }},
|
|
{ &hf_smb2_response_in,
|
|
{ "Response in", "smb2.response_in", FT_FRAMENUM, BASE_NONE,
|
|
NULL, 0, "The response to this packet is in this packet", HFILL }},
|
|
{ &hf_smb2_time,
|
|
{ "Time from request", "smb2.time", FT_RELATIVE_TIME, BASE_NONE,
|
|
NULL, 0, "Time between Request and Response for SMB2 cmds", HFILL }},
|
|
{ &hf_smb2_header_len,
|
|
{ "Header Length", "smb2.header_len", FT_UINT16, BASE_DEC,
|
|
NULL, 0, "SMB2 Size of Header", HFILL }},
|
|
{ &hf_smb2_nt_status,
|
|
{ "NT Status", "smb2.nt_status", FT_UINT32, BASE_HEX,
|
|
VALS(NT_errors), 0, "NT Status code", HFILL }},
|
|
{ &hf_smb2_seqnum,
|
|
{ "Command Sequence Number", "smb2.seq_num", FT_INT64, BASE_DEC,
|
|
NULL, 0, "SMB2 Command Sequence Number", HFILL }},
|
|
{ &hf_smb2_tid,
|
|
{ "Tree Id", "smb2.tid", FT_UINT32, BASE_HEX,
|
|
NULL, 0, "SMB2 Tree Id", HFILL }},
|
|
{ &hf_smb2_aid,
|
|
{ "Async Id", "smb2.aid", FT_UINT64, BASE_HEX,
|
|
NULL, 0, "SMB2 Async Id", HFILL }},
|
|
{ &hf_smb2_sesid,
|
|
{ "Session Id", "smb2.sesid", FT_UINT64, BASE_HEX,
|
|
NULL, 0, "SMB2 Session Id", HFILL }},
|
|
{ &hf_smb2_previous_sesid,
|
|
{ "Previous Session Id", "smb2.previous_sesid", FT_UINT64, BASE_HEX,
|
|
NULL, 0, "SMB2 Previous Session Id", HFILL }},
|
|
{ &hf_smb2_chain_offset,
|
|
{ "Chain Offset", "smb2.chain_offset", FT_UINT32, BASE_HEX,
|
|
NULL, 0, "SMB2 Chain Offset", HFILL }},
|
|
{ &hf_smb2_end_of_file,
|
|
{ "End Of File", "smb2.eof", FT_UINT64, BASE_DEC,
|
|
NULL, 0, "SMB2 End Of File/File size", HFILL }},
|
|
{ &hf_smb2_nlinks,
|
|
{ "Number of Links", "smb2.nlinks", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Number of links to this object", HFILL }},
|
|
{ &hf_smb2_file_id,
|
|
{ "File Id", "smb2.file_id", FT_UINT64, BASE_HEX,
|
|
NULL, 0, "SMB2 File Id", HFILL }},
|
|
{ &hf_smb2_allocation_size,
|
|
{ "Allocation Size", "smb2.allocation_size", FT_UINT64, BASE_DEC,
|
|
NULL, 0, "SMB2 Allocation Size for this object", HFILL }},
|
|
{ &hf_smb2_max_response_size,
|
|
{ "Max Response Size", "smb2.max_response_size", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "SMB2 Maximum response size", HFILL }},
|
|
{ &hf_smb2_setinfo_size,
|
|
{ "Setinfo Size", "smb2.setinfo_size", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "SMB2 setinfo size", HFILL }},
|
|
{ &hf_smb2_setinfo_offset,
|
|
{ "Setinfo Offset", "smb2.setinfo_offset", FT_UINT16, BASE_HEX,
|
|
NULL, 0, "SMB2 setinfo offset", HFILL }},
|
|
{ &hf_smb2_max_ioctl_out_size,
|
|
{ "Max Ioctl Out Size", "smb2.max_ioctl_out_size", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "SMB2 Maximum ioctl out size", HFILL }},
|
|
{ &hf_smb2_max_ioctl_in_size,
|
|
{ "Max Ioctl In Size", "smb2.max_ioctl_in_size", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "SMB2 Maximum ioctl out size", HFILL }},
|
|
{ &hf_smb2_response_size,
|
|
{ "Response Size", "smb2.response_size", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "SMB2 response size", HFILL }},
|
|
{ &hf_smb2_required_buffer_size,
|
|
{ "Required Buffer Size", "smb2.required_size", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "SMB2 required buffer size", HFILL }},
|
|
{ &hf_smb2_pid,
|
|
{ "Process Id", "smb2.pid", FT_UINT32, BASE_HEX,
|
|
NULL, 0, "SMB2 Process Id", HFILL }},
|
|
{ &hf_smb2_flags_response,
|
|
{ "Response", "smb2.flags.response", FT_BOOLEAN, 32,
|
|
TFS(&tfs_flags_response), SMB2_FLAGS_RESPONSE, "Whether this is an SMB2 Request or Response", HFILL }},
|
|
{ &hf_smb2_flags_async_cmd,
|
|
{ "Async command", "smb2.flags.async", FT_BOOLEAN, 32,
|
|
TFS(&tfs_flags_async_cmd), SMB2_FLAGS_ASYNC_CMD, NULL, HFILL }},
|
|
{ &hf_smb2_flags_dfs_op,
|
|
{ "DFS operation", "smb2.flags.dfs", FT_BOOLEAN, 32,
|
|
TFS(&tfs_flags_dfs_op), SMB2_FLAGS_DFS_OP, NULL, HFILL }},
|
|
{ &hf_smb2_flags_chained,
|
|
{ "Chained", "smb2.flags.chained", FT_BOOLEAN, 32,
|
|
TFS(&tfs_flags_chained), SMB2_FLAGS_CHAINED, "Whether the pdu continues a chain or not", HFILL }},
|
|
{ &hf_smb2_flags_signature,
|
|
{ "Signing", "smb2.flags.signature", FT_BOOLEAN, 32,
|
|
TFS(&tfs_flags_signature), SMB2_FLAGS_SIGNATURE, "Whether the pdu is signed or not", HFILL }},
|
|
{ &hf_smb2_tree,
|
|
{ "Tree", "smb2.tree", FT_STRING, BASE_NONE,
|
|
NULL, 0, "Name of the Tree/Share", HFILL }},
|
|
{ &hf_smb2_filename,
|
|
{ "Filename", "smb2.filename", FT_STRING, BASE_NONE,
|
|
NULL, 0, "Name of the file", HFILL }},
|
|
{ &hf_smb2_filename_len,
|
|
{ "Filename Length", "smb2.filename.len", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Length of the file name", HFILL }},
|
|
|
|
{ &hf_smb2_security_blob_len,
|
|
{ "Security Blob Length", "smb2.security_blob_len", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_security_blob_offset,
|
|
{ "Security Blob Offset", "smb2.security_blob_offset", FT_UINT16, BASE_HEX,
|
|
NULL, 0, "Offset into the SMB2 PDU of the blob", HFILL }},
|
|
|
|
{ &hf_smb2_response_buffer_offset,
|
|
{ "Response Buffer Offset", "smb2.response_buffer_offset", FT_UINT16, BASE_HEX,
|
|
NULL, 0, "Offset of the response buffer", HFILL }},
|
|
|
|
{ &hf_smb2_data_offset,
|
|
{ "Data Offset", "smb2.data_offset", FT_UINT16, BASE_HEX,
|
|
NULL, 0, "Offset to data", HFILL }},
|
|
|
|
{ &hf_smb2_find_info_level,
|
|
{ "Info Level", "smb2.find.infolevel", FT_UINT32, BASE_DEC,
|
|
VALS(smb2_find_info_levels), 0, "Find_Info Infolevel", HFILL }},
|
|
{ &hf_smb2_find_flags,
|
|
{ "Find Flags", "smb2.find.flags", FT_UINT8, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_find_pattern,
|
|
{ "Search Pattern", "smb2.find.pattern", FT_STRING, BASE_NONE,
|
|
NULL, 0, "Find pattern", HFILL }},
|
|
|
|
{ &hf_smb2_find_info_blob,
|
|
{ "Info", "smb2.security_blob", FT_BYTES, BASE_NONE,
|
|
NULL, 0, "Find Info", HFILL }},
|
|
|
|
{ &hf_smb2_ea_size,
|
|
{ "EA Size", "smb2.ea_size", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Size of EA data", HFILL }},
|
|
|
|
{ &hf_smb2_class,
|
|
{ "Class", "smb2.class", FT_UINT8, BASE_HEX,
|
|
VALS(smb2_class_vals), 0, "Info class", HFILL }},
|
|
|
|
{ &hf_smb2_infolevel,
|
|
{ "InfoLevel", "smb2.infolevel", FT_UINT8, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_infolevel_file_info,
|
|
{ "InfoLevel", "smb2.file_info.infolevel", FT_UINT8, BASE_HEX,
|
|
VALS(smb2_file_info_levels), 0, "File_Info Infolevel", HFILL }},
|
|
|
|
{ &hf_smb2_infolevel_fs_info,
|
|
{ "InfoLevel", "smb2.fs_info.infolevel", FT_UINT8, BASE_HEX,
|
|
VALS(smb2_fs_info_levels), 0, "Fs_Info Infolevel", HFILL }},
|
|
|
|
{ &hf_smb2_infolevel_sec_info,
|
|
{ "InfoLevel", "smb2.sec_info.infolevel", FT_UINT8, BASE_HEX,
|
|
VALS(smb2_sec_info_levels), 0, "Sec_Info Infolevel", HFILL }},
|
|
|
|
{ &hf_smb2_write_length,
|
|
{ "Write Length", "smb2.write_length", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Amount of data to write", HFILL }},
|
|
|
|
{ &hf_smb2_read_length,
|
|
{ "Read Length", "smb2.read_length", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Amount of data to read", HFILL }},
|
|
|
|
{ &hf_smb2_read_remaining,
|
|
{ "Read Remaining", "smb2.read_remaining", FT_UINT32, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_create_flags,
|
|
{ "Create Flags", "smb2.create_flags", FT_UINT64, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_file_offset,
|
|
{ "File Offset", "smb2.file_offset", FT_UINT64, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_security_blob,
|
|
{ "Security Blob", "smb2.security_blob", FT_BYTES, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_ioctl_out_data,
|
|
{ "Out Data", "smb2.ioctl.out", FT_NONE, BASE_NONE,
|
|
NULL, 0, "Ioctl Out", HFILL }},
|
|
|
|
{ &hf_smb2_ioctl_in_data,
|
|
{ "In Data", "smb2.ioctl.in", FT_NONE, BASE_NONE,
|
|
NULL, 0, "Ioctl In", HFILL }},
|
|
|
|
{ &hf_smb2_server_guid,
|
|
{ "Server Guid", "smb2.server_guid", FT_GUID, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_client_guid,
|
|
{ "Client Guid", "smb2.client_guid", FT_GUID, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_object_id,
|
|
{ "ObjectId", "smb2.object_id", FT_GUID, BASE_NONE,
|
|
NULL, 0, "ObjectID for this FID", HFILL }},
|
|
|
|
{ &hf_smb2_birth_volume_id,
|
|
{ "BirthVolumeId", "smb2.birth_volume_id", FT_GUID, BASE_NONE,
|
|
NULL, 0, "ObjectID for the volume where this FID was originally created", HFILL }},
|
|
|
|
{ &hf_smb2_birth_object_id,
|
|
{ "BirthObjectId", "smb2.birth_object_id", FT_GUID, BASE_NONE,
|
|
NULL, 0, "ObjectID for this FID when it was originally created", HFILL }},
|
|
|
|
{ &hf_smb2_domain_id,
|
|
{ "DomainId", "smb2.domain_id", FT_GUID, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_create_timestamp,
|
|
{ "Create", "smb2.create.time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL,
|
|
NULL, 0, "Time when this object was created", HFILL }},
|
|
|
|
{ &hf_smb2_fid,
|
|
{ "File Id", "smb2.fid", FT_GUID, BASE_NONE,
|
|
NULL, 0, "SMB2 File Id", HFILL }},
|
|
|
|
{ &hf_smb2_write_data,
|
|
{ "Write Data", "smb2.write_data", FT_BYTES, BASE_NONE,
|
|
NULL, 0, "SMB2 Data to be written", HFILL }},
|
|
|
|
{ &hf_smb2_write_flags,
|
|
{ "Write Flags", "smb2.write.flags", FT_UINT32, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_write_flags_write_through,
|
|
{ "Write through", "smb2.write.flags.write_through", FT_BOOLEAN, 32,
|
|
NULL, SMB2_WRITE_FLAG_WRITE_THROUGH, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_write_count,
|
|
{ "Write Count", "smb2.write.count", FT_UINT32, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_write_remaining,
|
|
{ "Write Remaining", "smb2.write.remaining", FT_UINT32, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_read_data,
|
|
{ "Read Data", "smb2.read_data", FT_BYTES, BASE_NONE,
|
|
NULL, 0, "SMB2 Data that is read", HFILL }},
|
|
|
|
{ &hf_smb2_last_access_timestamp,
|
|
{ "Last Access", "smb2.last_access.time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL,
|
|
NULL, 0, "Time when this object was last accessed", HFILL }},
|
|
|
|
{ &hf_smb2_last_write_timestamp,
|
|
{ "Last Write", "smb2.last_write.time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL,
|
|
NULL, 0, "Time when this object was last written to", HFILL }},
|
|
|
|
{ &hf_smb2_last_change_timestamp,
|
|
{ "Last Change", "smb2.last_change.time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL,
|
|
NULL, 0, "Time when this object was last changed", HFILL }},
|
|
|
|
{ &hf_smb2_file_all_info,
|
|
{ "SMB2_FILE_ALL_INFO", "smb2.smb2_file_all_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_ALL_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_allocation_info,
|
|
{ "SMB2_FILE_ALLOCATION_INFO", "smb2.smb2_file_allocation_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_ALLOCATION_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_endoffile_info,
|
|
{ "SMB2_FILE_ENDOFFILE_INFO", "smb2.smb2_file_endoffile_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_ENDOFFILE_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_alternate_name_info,
|
|
{ "SMB2_FILE_ALTERNATE_NAME_INFO", "smb2.smb2_file_alternate_name_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_ALTERNATE_NAME_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_stream_info,
|
|
{ "SMB2_FILE_STREAM_INFO", "smb2.smb2_file_stream_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_STREAM_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_pipe_info,
|
|
{ "SMB2_FILE_PIPE_INFO", "smb2.smb2_file_pipe_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_PIPE_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_compression_info,
|
|
{ "SMB2_FILE_COMPRESSION_INFO", "smb2.smb2_file_compression_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_COMPRESSION_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_basic_info,
|
|
{ "SMB2_FILE_BASIC_INFO", "smb2.smb2_file_basic_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_BASIC_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_standard_info,
|
|
{ "SMB2_FILE_STANDARD_INFO", "smb2.smb2_file_standard_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_STANDARD_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_internal_info,
|
|
{ "SMB2_FILE_INTERNAL_INFO", "smb2.smb2_file_internal_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_INTERNAL_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_mode_info,
|
|
{ "SMB2_FILE_MODE_INFO", "smb2.smb2_file_mode_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_MODE_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_alignment_info,
|
|
{ "SMB2_FILE_ALIGNMENT_INFO", "smb2.smb2_file_alignment_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_ALIGNMENT_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_position_info,
|
|
{ "SMB2_FILE_POSITION_INFO", "smb2.smb2_file_position_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_POSITION_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_access_info,
|
|
{ "SMB2_FILE_ACCESS_INFO", "smb2.smb2_file_access_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_ACCESS_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_ea_info,
|
|
{ "SMB2_FILE_EA_INFO", "smb2.smb2_file_ea_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_EA_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_network_open_info,
|
|
{ "SMB2_FILE_NETWORK_OPEN_INFO", "smb2.smb2_file_network_open_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_NETWORK_OPEN_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_attribute_tag_info,
|
|
{ "SMB2_FILE_ATTRIBUTE_TAG_INFO", "smb2.smb2_file_attribute_tag_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_ATTRIBUTE_TAG_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_disposition_info,
|
|
{ "SMB2_FILE_DISPOSITION_INFO", "smb2.smb2_file_disposition_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_DISPOSITION_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_info_0f,
|
|
{ "SMB2_FILE_INFO_0f", "smb2.smb2_file_info_0f", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_INFO_0f structure", HFILL }},
|
|
|
|
{ &hf_smb2_file_rename_info,
|
|
{ "SMB2_FILE_RENAME_INFO", "smb2.smb2_file_rename_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FILE_RENAME_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_fs_info_01,
|
|
{ "SMB2_FS_INFO_01", "smb2.smb2_fs_info_01", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FS_INFO_01 structure", HFILL }},
|
|
|
|
{ &hf_smb2_fs_info_03,
|
|
{ "SMB2_FS_INFO_03", "smb2.smb2_fs_info_03", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FS_INFO_03 structure", HFILL }},
|
|
|
|
{ &hf_smb2_fs_info_04,
|
|
{ "SMB2_FS_INFO_04", "smb2.smb2_fs_info_04", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FS_INFO_04 structure", HFILL }},
|
|
|
|
{ &hf_smb2_fs_info_05,
|
|
{ "SMB2_FS_INFO_05", "smb2.smb2_fs_info_05", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FS_INFO_05 structure", HFILL }},
|
|
|
|
{ &hf_smb2_fs_info_06,
|
|
{ "SMB2_FS_INFO_06", "smb2.smb2_fs_info_06", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FS_INFO_06 structure", HFILL }},
|
|
|
|
{ &hf_smb2_fs_info_07,
|
|
{ "SMB2_FS_INFO_07", "smb2.smb2_fs_info_07", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FS_INFO_07 structure", HFILL }},
|
|
|
|
{ &hf_smb2_fs_objectid_info,
|
|
{ "SMB2_FS_OBJECTID_INFO", "smb2.smb2_fs_objectid_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_FS_OBJECTID_INFO structure", HFILL }},
|
|
|
|
{ &hf_smb2_sec_info_00,
|
|
{ "SMB2_SEC_INFO_00", "smb2.smb2_sec_info_00", FT_NONE, BASE_NONE,
|
|
NULL, 0, "SMB2_SEC_INFO_00 structure", HFILL }},
|
|
|
|
{ &hf_smb2_disposition_delete_on_close,
|
|
{ "Delete on close", "smb2.disposition.delete_on_close", FT_BOOLEAN, 8,
|
|
TFS(&tfs_disposition_delete_on_close), 0x01, NULL, HFILL }},
|
|
|
|
|
|
{ &hf_smb2_create_disposition,
|
|
{ "Disposition", "smb2.create.disposition", FT_UINT32, BASE_DEC,
|
|
VALS(create_disposition_vals), 0, "Create disposition, what to do if the file does/does not exist", HFILL }},
|
|
|
|
{ &hf_smb2_create_action,
|
|
{ "Create Action", "smb2.create.action", FT_UINT32, BASE_DEC,
|
|
VALS(oa_open_vals), 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_extrainfo,
|
|
{ "ExtraInfo", "smb2.create.extrainfo", FT_NONE, BASE_NONE,
|
|
NULL, 0, "Create ExtraInfo", HFILL }},
|
|
|
|
{ &hf_smb2_create_chain_offset,
|
|
{ "Chain Offset", "smb2.create.chain_offset", FT_UINT32, BASE_HEX,
|
|
NULL, 0, "Offset to next entry in chain or 0", HFILL }},
|
|
|
|
{ &hf_smb2_create_chain_data,
|
|
{ "Data", "smb2.create.chain_data", FT_NONE, BASE_NONE,
|
|
NULL, 0, "Chain Data", HFILL }},
|
|
|
|
{ &hf_smb2_FILE_OBJECTID_BUFFER,
|
|
{ "FILE_OBJECTID_BUFFER", "smb2.FILE_OBJECTID_BUFFER", FT_NONE, BASE_NONE,
|
|
NULL, 0, "A FILE_OBJECTID_BUFFER structure", HFILL }},
|
|
|
|
{ &hf_smb2_data_length,
|
|
{ "Data Length", "smb2.create.data_length", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Length Data or 0", HFILL }},
|
|
|
|
{ &hf_smb2_next_offset,
|
|
{ "Next Offset", "smb2.next_offset", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Offset to next buffer or 0", HFILL }},
|
|
|
|
{ &hf_smb2_current_time,
|
|
{ "Current Time", "smb2.current_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL,
|
|
NULL, 0, "Current Time at server", HFILL }},
|
|
|
|
{ &hf_smb2_boot_time,
|
|
{ "Boot Time", "smb2.boot_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL,
|
|
NULL, 0, "Boot Time at server", HFILL }},
|
|
|
|
{ &hf_smb2_ea_flags,
|
|
{ "EA Flags", "smb2.ea.flags", FT_UINT8, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_ea_name_len,
|
|
{ "EA Name Length", "smb2.ea.name_len", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_ea_data_len,
|
|
{ "EA Data Length", "smb2.ea.data_len", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_delete_pending,
|
|
{ "Delete Pending", "smb2.delete_pending", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_is_directory,
|
|
{ "Is Directory", "smb2.is_directory", FT_UINT8, BASE_DEC,
|
|
NULL, 0, "Is this a directory?", HFILL }},
|
|
|
|
{ &hf_smb2_oplock,
|
|
{ "Oplock", "smb2.create.oplock", FT_UINT8, BASE_HEX,
|
|
VALS(oplock_vals), 0, "Oplock type", HFILL }},
|
|
|
|
{ &hf_smb2_close_flags,
|
|
{ "Close Flags", "smb2.close.flags", FT_UINT16, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_notify_flags,
|
|
{ "Notify Flags", "smb2.notify.flags", FT_UINT16, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_buffer_code_len,
|
|
{ "Length", "smb2.buffer_code.length", FT_UINT16, BASE_DEC,
|
|
NULL, 0, "Length of fixed portion of PDU", HFILL }},
|
|
|
|
{ &hf_smb2_olb_length,
|
|
{ "Length", "smb2.olb.length", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Length of the buffer", HFILL }},
|
|
|
|
{ &hf_smb2_olb_offset,
|
|
{ "Offset", "smb2.olb.offset", FT_UINT32, BASE_HEX,
|
|
NULL, 0, "Offset to the buffer", HFILL }},
|
|
|
|
{ &hf_smb2_buffer_code_flags_dyn,
|
|
{ "Dynamic Part", "smb2.buffer_code.dynamic", FT_BOOLEAN, 16,
|
|
NULL, 0x0001, "Whether a dynamic length blob follows", HFILL }},
|
|
|
|
{ &hf_smb2_ea_data,
|
|
{ "EA Data", "smb2.ea.data", FT_STRING, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_ea_name,
|
|
{ "EA Name", "smb2.ea.name", FT_STRING, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_impersonation_level,
|
|
{ "Impersonation", "smb2.impersonation.level", FT_UINT32, BASE_DEC,
|
|
VALS(impersonation_level_vals), 0, "Impersonation level", HFILL }},
|
|
|
|
{ &hf_smb2_ioctl_function,
|
|
{ "Function", "smb2.ioctl.function", FT_UINT32, BASE_HEX,
|
|
VALS(smb2_ioctl_vals), 0, "Ioctl function", HFILL }},
|
|
|
|
{ &hf_smb2_ioctl_function_device,
|
|
{ "Device", "smb2.ioctl.function.device", FT_UINT32, BASE_HEX,
|
|
VALS(smb2_ioctl_device_vals), 0xffff0000, "Device for Ioctl", HFILL }},
|
|
|
|
{ &hf_smb2_ioctl_function_access,
|
|
{ "Access", "smb2.ioctl.function.access", FT_UINT32, BASE_HEX,
|
|
VALS(smb2_ioctl_access_vals), 0x0000c000, "Access for Ioctl", HFILL }},
|
|
|
|
{ &hf_smb2_ioctl_function_function,
|
|
{ "Function", "smb2.ioctl.function.function", FT_UINT32, BASE_HEX,
|
|
NULL, 0x00003ffc, "Function for Ioctl", HFILL }},
|
|
|
|
{ &hf_smb2_ioctl_function_method,
|
|
{ "Method", "smb2.ioctl.function.method", FT_UINT32, BASE_HEX,
|
|
VALS(smb2_ioctl_method_vals), 0x00000003, "Method for Ioctl", HFILL }},
|
|
|
|
{ &hf_smb2_ioctl_shadow_copy_num_volumes,
|
|
{ "Num Volumes", "smb2.ioctl.shadow_copy.num_volumes", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Number of shadow copy volumes", HFILL }},
|
|
|
|
{ &hf_smb2_ioctl_shadow_copy_num_labels,
|
|
{ "Num Labels", "smb2.ioctl.shadow_copy.num_labels", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Number of shadow copy labels", HFILL }},
|
|
|
|
{ &hf_smb2_ioctl_shadow_copy_label,
|
|
{ "Label", "smb2.ioctl.shadow_copy.label", FT_STRING, BASE_NONE,
|
|
NULL, 0, "Shadow copy label", HFILL }},
|
|
|
|
{ &hf_smb2_compression_format,
|
|
{ "Compression Format", "smb2.compression_format", FT_UINT16, BASE_DEC,
|
|
VALS(compression_format_vals), 0, "Compression to use", HFILL }},
|
|
|
|
{ &hf_smb2_share_type,
|
|
{ "Share Type", "smb2.share_type", FT_UINT8, BASE_HEX,
|
|
VALS(smb2_share_type_vals), 0, "Type of share", HFILL }},
|
|
|
|
{ &hf_smb2_credit_charge,
|
|
{ "Credit Charge", "smb2.credit.charge", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_credits_requested,
|
|
{ "Credits requested", "smb2.credits.requested", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_credits_granted,
|
|
{ "Credits granted", "smb2.credits.granted", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_dialect_count,
|
|
{ "Dialect count", "smb2.dialect_count", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_dialect,
|
|
{ "Dialect", "smb2.dialect", FT_UINT16, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_security_mode,
|
|
{ "Security mode", "smb2.sec_mode", FT_UINT8, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_session_flags,
|
|
{ "Session Flags", "smb2.session_flags", FT_UINT16, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_lock_count,
|
|
{ "Lock Count", "smb2.lock_count", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_capabilities,
|
|
{ "Capabilities", "smb2.capabilities", FT_UINT32, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_ioctl_shadow_copy_count,
|
|
{ "Count", "smb2.ioctl.shadow_copy.count", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Number of bytes for shadow copy label strings", HFILL }},
|
|
|
|
{ &hf_smb2_auth_frame,
|
|
{ "Authenticated in Frame", "smb2.auth_frame", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Which frame this user was authenticated in", HFILL }},
|
|
|
|
{ &hf_smb2_tcon_frame,
|
|
{ "Connected in Frame", "smb2.tcon_frame", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Which frame this share was connected in", HFILL }},
|
|
|
|
{ &hf_smb2_tag,
|
|
{ "Tag", "smb2.tag", FT_STRING, BASE_NONE,
|
|
NULL, 0, "Tag of chain entry", HFILL }},
|
|
|
|
{ &hf_smb2_acct_name,
|
|
{ "Account", "smb2.acct", FT_STRING, BASE_NONE,
|
|
NULL, 0, "Account Name", HFILL }},
|
|
|
|
{ &hf_smb2_domain_name,
|
|
{ "Domain", "smb2.domain", FT_STRING, BASE_NONE,
|
|
NULL, 0, "Domain Name", HFILL }},
|
|
|
|
{ &hf_smb2_host_name,
|
|
{ "Host", "smb2.host", FT_STRING, BASE_NONE,
|
|
NULL, 0, "Host Name", HFILL }},
|
|
|
|
{ &hf_smb2_signature,
|
|
{ "Signature", "smb2.signature", FT_BYTES, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_unknown,
|
|
{ "unknown", "smb2.unknown", FT_BYTES, BASE_NONE,
|
|
NULL, 0, "Unknown bytes", HFILL }},
|
|
|
|
{ &hf_smb2_twrp_timestamp,
|
|
{ "Timestamp", "smb2.twrp_timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL,
|
|
NULL, 0, "TWrp timestamp", HFILL }},
|
|
|
|
{ &hf_smb2_mxac_timestamp,
|
|
{ "Timestamp", "smb2.mxac_timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL,
|
|
NULL, 0, "MxAc timestamp", HFILL }},
|
|
|
|
{ &hf_smb2_mxac_status,
|
|
{ "Query Status", "smb2.mxac_status", FT_UINT32, BASE_HEX,
|
|
VALS(NT_errors), 0, "NT Status code", HFILL }},
|
|
|
|
{ &hf_smb2_qfid_fid,
|
|
{ "Opaque File ID", "smb2.qfid_fid", FT_BYTES, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_ses_flags_guest,
|
|
{ "Guest", "smb2.ses_flags.guest", FT_BOOLEAN, 16,
|
|
NULL, SES_FLAGS_GUEST, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_ses_flags_null,
|
|
{ "Null", "smb2.ses_flags.null", FT_BOOLEAN, 16,
|
|
NULL, SES_FLAGS_NULL, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_secmode_flags_sign_required,
|
|
{ "Signing required", "smb2.sec_mode.sign_required", FT_BOOLEAN, 8,
|
|
NULL, NEGPROT_SIGN_REQ, "Is signing required", HFILL }},
|
|
|
|
{ &hf_smb2_secmode_flags_sign_enabled,
|
|
{ "Signing enabled", "smb2.sec_mode.sign_enabled", FT_BOOLEAN, 8,
|
|
NULL, NEGPROT_SIGN_ENABLED, "Is signing enabled", HFILL }},
|
|
|
|
{ &hf_smb2_cap_dfs,
|
|
{ "DFS", "smb2.capabilities.dfs", FT_BOOLEAN, 32,
|
|
TFS(&tfs_cap_dfs), NEGPROT_CAP_DFS, "If the host supports dfs", HFILL }},
|
|
|
|
{ &hf_smb2_cap_leasing,
|
|
{ "LEASING", "smb2.capabilities.leasing", FT_BOOLEAN, 32,
|
|
TFS(&tfs_cap_leasing), NEGPROT_CAP_LEASING,
|
|
"If the host supports leasing", HFILL }},
|
|
|
|
{ &hf_smb2_cap_large_mtu,
|
|
{ "LARGE MTU", "smb2.capabilities.large_mtu", FT_BOOLEAN, 32,
|
|
TFS(&tfs_cap_large_mtu), NEGPROT_CAP_LARGE_MTU,
|
|
"If the host supports LARGE MTU", HFILL }},
|
|
|
|
{ &hf_smb2_max_trans_size,
|
|
{ "Max Transaction Size", "smb2.max_trans_size", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Maximum size of a transaction", HFILL }},
|
|
|
|
{ &hf_smb2_max_read_size,
|
|
{ "Max Read Size", "smb2.max_read_size", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Maximum size of a read", HFILL }},
|
|
|
|
{ &hf_smb2_max_write_size,
|
|
{ "Max Write Size", "smb2.max_write_size", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Maximum size of a write", HFILL }},
|
|
|
|
{ &hf_smb2_vcnum,
|
|
{ "VC Num", "smb2.num_vc", FT_UINT8, BASE_DEC,
|
|
NULL, 0, "Number of VCs", HFILL }},
|
|
|
|
{ &hf_smb2_channel,
|
|
{ "Channel", "smb2.channel", FT_UINT32, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_share_flags,
|
|
{ "Share flags", "smb2.share_flags", FT_UINT32, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_share_flags_dfs,
|
|
{ "DFS", "smb2.share_flags.dfs", FT_BOOLEAN, 32,
|
|
NULL, SHARE_FLAGS_dfs, "The specified share is present in a Distributed File System (DFS) tree structure", HFILL }},
|
|
|
|
{ &hf_smb2_share_flags_dfs_root,
|
|
{ "DFS root", "smb2.share_flags.dfs_root", FT_BOOLEAN, 32,
|
|
NULL, SHARE_FLAGS_dfs_root, "The specified share is present in a Distributed File System (DFS) tree structure", HFILL }},
|
|
|
|
{ &hf_smb2_share_flags_restrict_exclusive_opens,
|
|
{ "Restrict exclusive opens", "smb2.share_flags.restrict_exclusive_opens", FT_BOOLEAN, 32,
|
|
NULL, SHARE_FLAGS_restrict_exclusive_opens, "The specified share disallows exclusive file opens that deny reads to an open file", HFILL }},
|
|
|
|
{ &hf_smb2_share_flags_force_shared_delete,
|
|
{ "Force shared delete", "smb2.share_flags.force_shared_delete", FT_BOOLEAN, 32,
|
|
NULL, SHARE_FLAGS_force_shared_delete, "Shared files in the specified share can be forcibly deleted", HFILL }},
|
|
|
|
{ &hf_smb2_share_flags_allow_namespace_caching,
|
|
{ "Allow namepsace caching", "smb2.share_flags.allow_namespace_caching", FT_BOOLEAN, 32,
|
|
NULL, SHARE_FLAGS_allow_namespace_caching, "Clients are allowed to cache the namespace of the specified share", HFILL }},
|
|
|
|
{ &hf_smb2_share_flags_access_based_dir_enum,
|
|
{ "Access based directory enum", "smb2.share_flags.access_based_dir_enum", FT_BOOLEAN, 32,
|
|
NULL, SHARE_FLAGS_access_based_dir_enum, "The server will filter directory entries based on the access permissions of the client", HFILL }},
|
|
|
|
{ &hf_smb2_share_flags_force_levelii_oplock,
|
|
{ "Force level II oplock", "smb2.share_flags.force_levelii_oplock", FT_BOOLEAN, 32,
|
|
NULL, SHARE_FLAGS_force_levelii_oplock, "The server will not issue exclusive caching rights on this share", HFILL }},
|
|
|
|
{ &hf_smb2_share_flags_enable_hash,
|
|
{ "Enable hash", "smb2.share_flags.enable_hash", FT_BOOLEAN, 32,
|
|
NULL, SHARE_FLAGS_force_levelii_oplock, "The share supports hash generation for branch cache retrieval of data (see also section 2.2.31.2 of MS-SMB2)", HFILL }},
|
|
|
|
{ &hf_smb2_share_caching,
|
|
{ "Caching policy", "smb2.share.caching", FT_UINT32, BASE_HEX,
|
|
VALS(share_cache_vals), 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_share_caps,
|
|
{ "Share Capabilities", "smb2.share_caps", FT_UINT32, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_share_caps_dfs,
|
|
{ "DFS", "smb2.share_caps.dfs", FT_BOOLEAN, 32,
|
|
NULL, SHARE_CAPS_DFS, "The specified share is present in a DFS tree structure", HFILL }},
|
|
|
|
{ &hf_smb2_ioctl_flags,
|
|
{ "Flags", "smb2.ioctl.flags", FT_UINT32, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_min_count,
|
|
{ "Min Count", "smb2.min_count", FT_UINT32, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_remaining_bytes,
|
|
{ "Remaining Bytes", "smb2.remaining_bytes", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_channel_info_offset,
|
|
{ "Channel Info Offset", "smb2.channel_info_offset", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_channel_info_length,
|
|
{ "Channel Info Length", "smb2.channel_info_length", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_ioctl_is_fsctl,
|
|
{ "Is FSCTL", "smb2.ioctl.is_fsctl", FT_BOOLEAN, 32,
|
|
NULL, 0x00000001, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_output_buffer_len,
|
|
{ "Output Buffer Length", "smb2.output_buffer_len", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_close_pq_attrib,
|
|
{ "PostQuery Attrib", "smb2.close.pq_attrib", FT_BOOLEAN, 16,
|
|
NULL, 0x0001, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_notify_watch_tree,
|
|
{ "Watch Tree", "smb2.notify.watch_tree", FT_BOOLEAN, 16,
|
|
NULL, 0x0001, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_notify_out_data,
|
|
{ "Out Data", "smb2.notify.out", FT_NONE, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_find_flags_restart_scans,
|
|
{ "Restart Scans", "smb2.find.restart_scans", FT_BOOLEAN, 8,
|
|
NULL, SMB2_FIND_FLAG_RESTART_SCANS, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_find_flags_single_entry,
|
|
{ "Single Entry", "smb2.find.single_entry", FT_BOOLEAN, 8,
|
|
NULL, SMB2_FIND_FLAG_SINGLE_ENTRY, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_find_flags_index_specified,
|
|
{ "Index Specified", "smb2.find.index_specified", FT_BOOLEAN, 8,
|
|
NULL, SMB2_FIND_FLAG_INDEX_SPECIFIED, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_find_flags_reopen,
|
|
{ "Reopen", "smb2.find.reopen", FT_BOOLEAN, 8,
|
|
NULL, SMB2_FIND_FLAG_REOPEN, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_file_index,
|
|
{ "File Index", "smb2.file_index", FT_UINT32, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_file_directory_info,
|
|
{ "FileDirectoryInfo", "smb2.find.file_directory_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_full_directory_info,
|
|
{ "FullDirectoryInfo", "smb2.find.full_directory_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_both_directory_info,
|
|
{ "FileBothDirectoryInfo", "smb2.find.both_directory_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_id_both_directory_info,
|
|
{ "FileIdBothDirectoryInfo", "smb2.find.id_both_directory_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_short_name_len,
|
|
{ "Short Name Length", "smb2.short_name_len", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_short_name,
|
|
{ "Short Name", "smb2.shortname", FT_STRING, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
{ &hf_smb2_file_name_info,
|
|
{ "FileNameInfo", "smb2.find.name_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_lock_info,
|
|
{ "Lock Info", "smb2.lock_info", FT_NONE, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_lock_length,
|
|
{ "Length", "smb2.lock_length", FT_UINT64, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_lock_flags,
|
|
{ "Flags", "smb2.lock_flags", FT_UINT32, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_lock_flags_shared,
|
|
{ "Shared", "smb2.lock_flags.shared", FT_BOOLEAN, 32,
|
|
NULL, 0x00000001, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_lock_flags_exclusive,
|
|
{ "Exclusive", "smb2.lock_flags.exclusive", FT_BOOLEAN, 32,
|
|
NULL, 0x00000002, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_lock_flags_unlock,
|
|
{ "Unlock", "smb2.lock_flags.unlock", FT_BOOLEAN, 32,
|
|
NULL, 0x00000004, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_lock_flags_fail_immediately,
|
|
{ "Fail Immediately", "smb2.lock_flags.fail_immediately", FT_BOOLEAN, 32,
|
|
NULL, 0x00000010, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_error_reserved,
|
|
{ "Reserved", "smb2.error.reserved", FT_UINT16, BASE_HEX,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_error_byte_count,
|
|
{ "Byte Count", "smb2.error.byte_count", FT_UINT32, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_error_data,
|
|
{ "Error Data", "smb2.error.data", FT_BYTES, BASE_NONE,
|
|
NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_smb2_reserved,
|
|
{ "Reserved", "smb2.reserved", FT_BYTES, BASE_NONE,
|
|
NULL, 0, "Reserved bytes", HFILL }},
|
|
|
|
{ &hf_smb2_dhnq_buffer_reserved,
|
|
{ "Reserved", "smb2.hf_smb2_dhnq_buffer_reserved", FT_UINT64, BASE_HEX,
|
|
NULL, 0, NULL, HFILL}},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_smb2,
|
|
&ett_smb2_ea,
|
|
&ett_smb2_olb,
|
|
&ett_smb2_header,
|
|
&ett_smb2_command,
|
|
&ett_smb2_secblob,
|
|
&ett_smb2_file_basic_info,
|
|
&ett_smb2_file_standard_info,
|
|
&ett_smb2_file_internal_info,
|
|
&ett_smb2_file_ea_info,
|
|
&ett_smb2_file_access_info,
|
|
&ett_smb2_file_rename_info,
|
|
&ett_smb2_file_disposition_info,
|
|
&ett_smb2_file_position_info,
|
|
&ett_smb2_file_info_0f,
|
|
&ett_smb2_file_mode_info,
|
|
&ett_smb2_file_alignment_info,
|
|
&ett_smb2_file_all_info,
|
|
&ett_smb2_file_allocation_info,
|
|
&ett_smb2_file_endoffile_info,
|
|
&ett_smb2_file_alternate_name_info,
|
|
&ett_smb2_file_stream_info,
|
|
&ett_smb2_file_pipe_info,
|
|
&ett_smb2_file_compression_info,
|
|
&ett_smb2_file_network_open_info,
|
|
&ett_smb2_file_attribute_tag_info,
|
|
&ett_smb2_fs_info_01,
|
|
&ett_smb2_fs_info_03,
|
|
&ett_smb2_fs_info_04,
|
|
&ett_smb2_fs_info_05,
|
|
&ett_smb2_fs_info_06,
|
|
&ett_smb2_fs_info_07,
|
|
&ett_smb2_fs_objectid_info,
|
|
&ett_smb2_sec_info_00,
|
|
&ett_smb2_tid_tree,
|
|
&ett_smb2_sesid_tree,
|
|
&ett_smb2_create_chain_element,
|
|
&ett_smb2_MxAc_buffer,
|
|
&ett_smb2_QFid_buffer,
|
|
&ett_smb2_ioctl_function,
|
|
&ett_smb2_FILE_OBJECTID_BUFFER,
|
|
&ett_smb2_flags,
|
|
&ett_smb2_sec_mode,
|
|
&ett_smb2_capabilities,
|
|
&ett_smb2_ses_flags,
|
|
&ett_smb2_share_flags,
|
|
&ett_smb2_share_caps,
|
|
&ett_smb2_ioctl_flags,
|
|
&ett_smb2_close_flags,
|
|
&ett_smb2_notify_flags,
|
|
&ett_smb2_write_flags,
|
|
&ett_smb2_find_flags,
|
|
&ett_smb2_file_directory_info,
|
|
&ett_smb2_both_directory_info,
|
|
&ett_smb2_id_both_directory_info,
|
|
&ett_smb2_full_directory_info,
|
|
&ett_smb2_file_name_info,
|
|
&ett_smb2_lock_info,
|
|
&ett_smb2_lock_flags,
|
|
};
|
|
|
|
proto_smb2 = proto_register_protocol("SMB2 (Server Message Block Protocol version 2)",
|
|
"SMB2", "smb2");
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
proto_register_field_array(proto_smb2, hf, array_length(hf));
|
|
|
|
register_heur_dissector_list("smb2_heur_subdissectors", &smb2_heur_subdissector_list);
|
|
smb2_tap = register_tap("smb2");
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_smb2(void)
|
|
{
|
|
gssapi_handle = find_dissector("gssapi");
|
|
ntlmssp_handle = find_dissector("ntlmssp");
|
|
heur_dissector_add("netbios", dissect_smb2_heur, proto_smb2);
|
|
}
|