forked from osmocom/wireshark
4941 lines
144 KiB
C
4941 lines
144 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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* See http://wiki.wireshark.org/SMB2 for documentation of
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* this protocol.
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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/prefs.h>
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#include <epan/reassemble.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_uid = -1;
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static int hf_smb2_flags_response = -1;
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static int hf_smb2_flags_pid_valid = -1;
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static int hf_smb2_flags_signature = -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_unknown_timestamp = -1;
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static int hf_smb2_create_timestamp = -1;
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static int hf_smb2_create_flags = -1;
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static int hf_smb2_create_flags_request_oplock = -1;
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static int hf_smb2_create_flags_request_exclusive_oplock = -1;
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static int hf_smb2_create_flags_grant_oplock = -1;
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static int hf_smb2_create_flags_grant_exclusive_oplock = -1;
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static int hf_smb2_close_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_search = -1;
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static int hf_smb2_find_response_size = -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_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_offset = -1;
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static int hf_smb2_write_data = -1;
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static int hf_smb2_read_length = -1;
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static int hf_smb2_read_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_chain_offset = -1;
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static int hf_smb2_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 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_uid_tree = -1;
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static gint ett_smb2_create_flags = -1;
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static gint ett_smb2_chain_element = -1;
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static gint ett_smb2_MxAc_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 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_FILE 0x0001
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#define SMB2_SHARE_TYPE_IPC 0x0002
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#define SMB2_SHARE_TYPE_PRINT 0x0003
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static const value_string smb2_share_type_vals[] = {
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{ SMB2_SHARE_TYPE_FILE, "File Share" },
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{ SMB2_SHARE_TYPE_IPC, "IPC share" },
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{ SMB2_SHARE_TYPE_PRINT, "Print Share" },
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{ 0, NULL }
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};
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#define SMB2_FILE_BASIC_INFO 0x04
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#define SMB2_FILE_STANDARD_INFO 0x05
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#define SMB2_FILE_INTERNAL_INFO 0x06
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#define SMB2_FILE_EA_INFO 0x07
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#define SMB2_FILE_ACCESS_INFO 0x08
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#define SMB2_FILE_RENAME_INFO 0x0a
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#define SMB2_FILE_DISPOSITION_INFO 0x0d
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#define SMB2_FILE_POSITION_INFO 0x0e
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#define SMB2_FILE_INFO_0f 0x0f
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#define SMB2_FILE_MODE_INFO 0x10
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#define SMB2_FILE_ALIGNMENT_INFO 0x11
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#define SMB2_FILE_ALL_INFO 0x12
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#define SMB2_FILE_ALLOCATION_INFO 0x13
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#define SMB2_FILE_ENDOFFILE_INFO 0x14
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#define SMB2_FILE_ALTERNATE_NAME_INFO 0x15
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#define SMB2_FILE_STREAM_INFO 0x16
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#define SMB2_FILE_PIPE_INFO 0x17
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#define SMB2_FILE_COMPRESSION_INFO 0x1c
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#define SMB2_FILE_NETWORK_OPEN_INFO 0x22
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#define SMB2_FILE_ATTRIBUTE_TAG_INFO 0x23
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static const value_string smb2_file_info_levels[] = {
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{SMB2_FILE_BASIC_INFO, "SMB2_FILE_BASIC_INFO" },
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{SMB2_FILE_STANDARD_INFO, "SMB2_FILE_STANDARD_INFO" },
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{SMB2_FILE_INTERNAL_INFO, "SMB2_FILE_INTERNAL_INFO" },
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{SMB2_FILE_EA_INFO, "SMB2_FILE_EA_INFO" },
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{SMB2_FILE_ACCESS_INFO, "SMB2_FILE_ACCESS_INFO" },
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{SMB2_FILE_RENAME_INFO, "SMB2_FILE_RENAME_INFO" },
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{SMB2_FILE_DISPOSITION_INFO, "SMB2_FILE_DISPOSITION_INFO" },
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{SMB2_FILE_POSITION_INFO, "SMB2_FILE_POSITION_INFO" },
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{SMB2_FILE_INFO_0f, "SMB2_FILE_INFO_0f" },
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{SMB2_FILE_MODE_INFO, "SMB2_FILE_MODE_INFO" },
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{SMB2_FILE_ALIGNMENT_INFO, "SMB2_FILE_ALIGNMENT_INFO" },
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{SMB2_FILE_ALL_INFO, "SMB2_FILE_ALL_INFO" },
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{SMB2_FILE_ALLOCATION_INFO, "SMB2_FILE_ALLOCATION_INFO" },
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{SMB2_FILE_ENDOFFILE_INFO, "SMB2_FILE_ENDOFFILE_INFO" },
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{SMB2_FILE_ALTERNATE_NAME_INFO, "SMB2_FILE_ALTERNATE_NAME_INFO" },
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{SMB2_FILE_STREAM_INFO, "SMB2_FILE_STREAM_INFO" },
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{SMB2_FILE_PIPE_INFO, "SMB2_FILE_PIPE_INFO" },
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{SMB2_FILE_COMPRESSION_INFO, "SMB2_FILE_COMPRESSION_INFO" },
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{SMB2_FILE_NETWORK_OPEN_INFO, "SMB2_FILE_NETWORK_OPEN_INFO" },
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{SMB2_FILE_ATTRIBUTE_TAG_INFO, "SMB2_FILE_ATTRIBUTE_TAG_INFO" },
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{ 0, NULL }
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};
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#define SMB2_FS_INFO_01 0x01
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#define SMB2_FS_INFO_03 0x03
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#define SMB2_FS_INFO_04 0x04
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#define SMB2_FS_INFO_05 0x05
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#define SMB2_FS_INFO_06 0x06
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#define SMB2_FS_INFO_07 0x07
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#define SMB2_FS_OBJECTID_INFO 0x08
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static const value_string smb2_fs_info_levels[] = {
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{SMB2_FS_INFO_01, "SMB2_FS_INFO_01" },
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{SMB2_FS_INFO_03, "SMB2_FS_INFO_03" },
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{SMB2_FS_INFO_04, "SMB2_FS_INFO_04" },
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{SMB2_FS_INFO_05, "SMB2_FS_INFO_05" },
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{SMB2_FS_INFO_06, "SMB2_FS_INFO_06" },
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{SMB2_FS_INFO_07, "SMB2_FS_INFO_07" },
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{SMB2_FS_OBJECTID_INFO, "SMB2_FS_OBJECTID_INFO" },
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{ 0, NULL }
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};
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#define SMB2_SEC_INFO_00 0x00
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static const value_string smb2_sec_info_levels[] = {
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{SMB2_SEC_INFO_00, "SMB2_SEC_INFO_00" },
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{ 0, NULL }
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};
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/* unmatched smb_saved_info structures.
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For unmatched smb_saved_info structures we store the smb_saved_info
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structure using the SEQNUM field.
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*/
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static gint
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smb2_saved_info_equal_unmatched(gconstpointer k1, gconstpointer k2)
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{
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smb2_saved_info_t *key1 = (smb2_saved_info_t *)k1;
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smb2_saved_info_t *key2 = (smb2_saved_info_t *)k2;
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return key1->seqnum==key2->seqnum;
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}
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static guint
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smb2_saved_info_hash_unmatched(gconstpointer k)
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{
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smb2_saved_info_t *key = (smb2_saved_info_t *)k;
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guint32 hash;
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hash=(guint32) (key->seqnum&0xffffffff);
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return hash;
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}
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/* matched smb_saved_info structures.
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For matched smb_saved_info structures we store the smb_saved_info
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structure using the SEQNUM field.
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*/
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static gint
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smb2_saved_info_equal_matched(gconstpointer k1, gconstpointer k2)
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{
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smb2_saved_info_t *key1 = (smb2_saved_info_t *)k1;
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smb2_saved_info_t *key2 = (smb2_saved_info_t *)k2;
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return key1->seqnum==key2->seqnum;
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}
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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_uid_info_equal(gconstpointer k1, gconstpointer k2)
|
|
{
|
|
smb2_uid_info_t *key1 = (smb2_uid_info_t *)k1;
|
|
smb2_uid_info_t *key2 = (smb2_uid_info_t *)k2;
|
|
return key1->uid==key2->uid;
|
|
}
|
|
static guint
|
|
smb2_uid_info_hash(gconstpointer k)
|
|
{
|
|
smb2_uid_info_t *key = (smb2_uid_info_t *)k;
|
|
guint32 hash;
|
|
|
|
hash=((key->uid>>32)&&0xffffffff)+((key->uid)&&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");
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(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");
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(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_pid_valid = {
|
|
"The PID field is VALID",
|
|
"The pid field if NOT valid"
|
|
};
|
|
|
|
static const true_false_string tfs_flags_signature = {
|
|
"This pdu is SIGNED",
|
|
"This pdu is NOT signed"
|
|
};
|
|
|
|
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 }
|
|
};
|
|
|
|
static int
|
|
dissect_smb2_ioctl_function(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, int offset, smb2_info_t *si)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
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);
|
|
}
|
|
|
|
si->ioctl_function=tvb_get_letohl(tvb, offset);
|
|
if(si->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((si->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",
|
|
(si->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
|
|
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 */
|
|
dcerpc_info di; /* fake dcerpc_info struct */
|
|
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;
|
|
di.call_data=NULL;
|
|
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->private_data){
|
|
fid_name = se_strdup_printf("File:%s", (char *)si->saved->private_data);
|
|
} else {
|
|
fid_name = se_strdup_printf("File: ");
|
|
}
|
|
dcerpc_smb_store_pol_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:
|
|
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_smb_fetch_pol(&policy_hnd, &fid_name, &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_attributes(tvb, tree, offset, 4);
|
|
|
|
/* 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_qfi_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_qfi_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_ALTERNATE_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_attributes(tvb, tree, offset, 4);
|
|
|
|
/* 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_qfi_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_qfi_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 int
|
|
dissect_smb2_create_flags(proto_tree *parent_tree, tvbuff_t *tvb, int offset)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, hf_smb2_create_flags, tvb, offset, 2, TRUE);
|
|
tree = proto_item_add_subtree(item, ett_smb2_create_flags);
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_smb2_create_flags_request_exclusive_oplock, tvb, offset, 2, TRUE);
|
|
proto_tree_add_item(tree, hf_smb2_create_flags_request_oplock, tvb, offset, 2, TRUE);
|
|
proto_tree_add_item(tree, hf_smb2_create_flags_grant_exclusive_oplock, tvb, offset, 2, TRUE);
|
|
proto_tree_add_item(tree, hf_smb2_create_flags_grant_oplock, tvb, offset, 2, TRUE);
|
|
|
|
|
|
offset += 2;
|
|
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;
|
|
}
|
|
|
|
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, 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 */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 8, FALSE);
|
|
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);
|
|
|
|
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_uid_info_t *uid;
|
|
uid=se_alloc(sizeof(smb2_uid_info_t));
|
|
uid->uid=si->uid;
|
|
uid->acct_name=se_strdup(ntlmssph->acct_name);
|
|
uid->domain_name=se_strdup(ntlmssph->domain_name);
|
|
uid->host_name=se_strdup(ntlmssph->host_name);
|
|
uid->auth_frame=pinfo->fd->num;
|
|
uid->tids= g_hash_table_new(smb2_tid_info_hash, smb2_tid_info_equal);
|
|
g_hash_table_insert(si->conv->uids, uid, uid);
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
/* 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;
|
|
|
|
/* 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);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 2, TRUE);
|
|
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->private_data=se_alloc(olb.len+1);
|
|
g_snprintf((char *)si->saved->private_data,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;
|
|
|
|
/* 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, 2, TRUE);
|
|
offset += 2;
|
|
|
|
if(!pinfo->fd->flags.visited && si->saved && si->saved->private_data && 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->private_data;
|
|
tid->connect_frame=pinfo->fd->num;
|
|
tid->share_type=share_type;
|
|
|
|
g_hash_table_insert(si->session->tids, tid, tid);
|
|
|
|
si->saved->private_data=NULL;
|
|
}
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* 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);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 2, TRUE);
|
|
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_)
|
|
{
|
|
/* 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_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);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 2, TRUE);
|
|
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_)
|
|
{
|
|
/* 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_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_)
|
|
{
|
|
/* 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)
|
|
{
|
|
/* 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;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, 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);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_notify_response(tvbuff_t *tvb, packet_info *pinfo _U_, 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, 2, TRUE);
|
|
offset += 2;
|
|
|
|
switch(si->status){
|
|
case 0x00000103: /* STATUS_PENDING */
|
|
case 0xc0000120: /* STATUS_CANCELLED */
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
/* bug */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 1, TRUE);
|
|
offset += 1;
|
|
return offset;
|
|
case 0x0000010c: /* STATUS_NOTIFY_ENUM_DIR */
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
return offset;
|
|
}
|
|
|
|
/* we dont know what this is */
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, tvb_length_remaining(tvb, offset), TRUE);
|
|
offset += tvb_length_remaining(tvb, offset);
|
|
return offset;
|
|
}
|
|
|
|
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;
|
|
|
|
/* 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;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, 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_search);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* search pattern */
|
|
buf = dissect_smb2_olb_string(pinfo, tree, tvb, &olb, OLB_TYPE_UNICODE_STRING);
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " Pattern:%s",buf);
|
|
}
|
|
|
|
offset = dissect_smb2_olb_tvb_max_offset(offset, &olb);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_find_response(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_)
|
|
{
|
|
guint32 len;
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* response buffer offset */
|
|
proto_tree_add_item(tree, hf_smb2_response_buffer_offset, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* length of response data */
|
|
len=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_smb2_find_response_size, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/*qqq*/
|
|
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_)
|
|
{
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 0x24, TRUE);
|
|
offset += 0x24;
|
|
|
|
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;
|
|
|
|
/* 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;
|
|
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* server GUID */
|
|
proto_tree_add_item(tree, hf_smb2_server_guid, tvb, offset, 16, TRUE);
|
|
offset += 16;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 16, TRUE);
|
|
offset += 16;
|
|
|
|
/* 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);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 4, TRUE);
|
|
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)
|
|
{
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
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)
|
|
{
|
|
guint16 len;
|
|
offset_length_buffer_t olb;
|
|
|
|
/* class/infolevel */
|
|
dissect_smb2_class_infolevel(pinfo, tvb, offset, tree, si);
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, &len);
|
|
|
|
/* response buffer offset and size */
|
|
offset = dissect_smb2_olb_length_offset(tvb, offset, &olb, OLB_O_UINT16_S_UINT32, -1);
|
|
|
|
/* if we get BUFFER_TOO_SMALL there will not be any data there, only
|
|
* a guin32 specifying how big the buffer needs to be
|
|
*/
|
|
if(si->status==0xc0000023){
|
|
proto_tree_add_item(tree, hf_smb2_required_buffer_size, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
/* 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)
|
|
{
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
/* close flags */
|
|
proto_tree_add_item(tree, hf_smb2_close_flags, 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_)
|
|
{
|
|
guint16 len;
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, &len);
|
|
|
|
/* close flags */
|
|
proto_tree_add_item(tree, hf_smb2_close_flags, tvb, offset, 2, TRUE);
|
|
offset += 2;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* If there was an error, the response will be just 8 bytes */
|
|
if((len==8)&&(si->status)){
|
|
return offset;
|
|
}
|
|
|
|
|
|
/* 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_attributes(tvb, tree, offset, 4);
|
|
|
|
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_)
|
|
{
|
|
/* 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)
|
|
{
|
|
/* 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);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 16, TRUE);
|
|
offset += 16;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
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_)
|
|
{
|
|
/* 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, smb2_info_t *si)
|
|
{
|
|
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, si->top_tree);
|
|
|
|
|
|
offset += datalen;
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
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;
|
|
|
|
/* 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_write_offset, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " Len:%d Off:%" PRIu64, length, off);
|
|
}
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_USE);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 16, TRUE);
|
|
offset += 16;
|
|
|
|
|
|
/* data or dcerpc ?*/
|
|
if(length && si->tree && si->tree->share_type == SMB2_SHARE_TYPE_IPC){
|
|
offset = dissect_file_data_dcerpc(tvb, pinfo, tree, offset, length, si);
|
|
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_)
|
|
{
|
|
/* 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;
|
|
|
|
/* length */
|
|
proto_tree_add_item(tree, hf_smb2_write_length, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 9, TRUE);
|
|
offset += 9;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_IOCTL_DO_DCERPC(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, smb2_info_t *si, gboolean data_in _U_)
|
|
{
|
|
dissect_file_data_dcerpc(tvb, pinfo, tree, offset, tvb_length_remaining(tvb, offset), si);
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_FSCTL_GET_SHADOW_COPY_DATA(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, smb2_info_t *si _U_, 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, smb2_info_t *si _U_, 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, smb2_info_t *si _U_, 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, smb2_info_t *si _U_, 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, smb2_info_t *si _U_, 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, smb2_info_t *si _U_, 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;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_ioctl_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si, gboolean data_in)
|
|
{
|
|
switch(si->ioctl_function){
|
|
case 0x0011c017:
|
|
dissect_smb2_IOCTL_DO_DCERPC(tvb, pinfo, tree, 0, si, data_in);
|
|
break;
|
|
case 0x00144064: /* FSCTL_GET_SHADOW_COPY_DATA */
|
|
dissect_smb2_FSCTL_GET_SHADOW_COPY_DATA(tvb, pinfo, tree, 0, si, 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, si, data_in);
|
|
break;
|
|
case 0x00098098: /* FSCTL_SET_OBJECT_ID */
|
|
dissect_smb2_FSCTL_SET_OBJECT_ID(tvb, pinfo, tree, 0, si, data_in);
|
|
break;
|
|
case 0x000980BC: /* FSCTL_SET_OBJECT_ID_EXTENDED */
|
|
dissect_smb2_FSCTL_SET_OBJECT_ID_EXTENDED(tvb, pinfo, tree, 0, si, data_in);
|
|
break;
|
|
case 0x0009003C: /* FSCTL_GET_COMPRESSION */
|
|
dissect_smb2_FSCTL_GET_COMPRESSION(tvb, pinfo, tree, 0, si, data_in);
|
|
break;
|
|
case 0x0009C040: /* FSCTL_SET_COMPRESSION */
|
|
dissect_smb2_FSCTL_SET_COMPRESSION(tvb, pinfo, tree, 0, si, 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, 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, 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;
|
|
|
|
/* 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);
|
|
|
|
/* 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);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, 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;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* 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;
|
|
guint16 len;
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, &len);
|
|
|
|
/* 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);
|
|
|
|
/* If there was an error, the response will be just 8 bytes */
|
|
if((len==8)&&(si->status)){
|
|
return offset;
|
|
}
|
|
|
|
|
|
/* 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);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* 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);
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 2, TRUE);
|
|
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_read_offset, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " Len:%d Off:%" PRIu64, len, off);
|
|
}
|
|
|
|
/* fid */
|
|
offset = dissect_smb2_fid(tvb, pinfo, tree, offset, si, FID_MODE_USE);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 16, TRUE);
|
|
offset += 16;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 1, TRUE);
|
|
offset += 1;
|
|
|
|
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;
|
|
|
|
/* 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;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* 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_IPC)||(si->flags & SMB2_FLAGS_PID_VALID))){
|
|
offset = dissect_file_data_dcerpc(tvb, pinfo, tree, offset, length, si);
|
|
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
|
|
dissect_smb2_ExtA_buffer(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_TWrp_buffer(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_unknown_timestamp);
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
dissect_smb2_MxAc_buffer(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_remaining(tvb, offset) == 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_unknown, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
|
|
offset = dissect_smb_access_mask(tvb, sub_tree, offset);
|
|
|
|
return;
|
|
}
|
|
|
|
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;
|
|
void (*dissector)(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, smb2_info_t *si);
|
|
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_chain_element);
|
|
parent_item = proto_tree_get_parent(parent_tree);
|
|
}
|
|
|
|
/* chain offset */
|
|
proto_tree_add_item(sub_tree, hf_smb2_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_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 */
|
|
dissector = NULL;
|
|
if(!strcmp(tag, "ExtA")){
|
|
dissector = dissect_smb2_ExtA_buffer;
|
|
} else if(!strcmp(tag, "MxAc")){
|
|
dissector = dissect_smb2_MxAc_buffer;
|
|
} else if(!strcmp(tag, "TWrp")){
|
|
dissector = dissect_smb2_TWrp_buffer;
|
|
}
|
|
|
|
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);
|
|
|
|
/* create flags */
|
|
offset = dissect_smb2_create_flags(tree, tvb, offset);
|
|
|
|
/* impersonation level */
|
|
proto_tree_add_item(tree, hf_smb2_impersonation_level, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 8, TRUE);
|
|
offset += 8;
|
|
|
|
/* access mask */
|
|
offset = dissect_smb_access_mask(tvb, tree, offset);
|
|
|
|
/* File Attributes */
|
|
offset = dissect_file_attributes(tvb, tree, offset, 4);
|
|
|
|
/* 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->private_data){
|
|
g_free(si->saved->private_data);
|
|
si->saved->private_data=NULL;
|
|
}
|
|
if(si->saved && f_olb.len && (f_olb.len<256)){
|
|
si->saved->private_data=g_malloc(f_olb.len+1);
|
|
g_snprintf(si->saved->private_data, 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;
|
|
guint16 len;
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, &len);
|
|
|
|
/* create flags */
|
|
offset = dissect_smb2_create_flags(tree, tvb, offset);
|
|
|
|
/* create action */
|
|
proto_tree_add_item(tree, hf_smb2_create_action, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* If there was an error, the response will be just 8 bytes */
|
|
if((len==8)&&(si->status)){
|
|
return offset;
|
|
}
|
|
|
|
|
|
/* 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_attributes(tvb, tree, offset, 4);
|
|
|
|
/* padding */
|
|
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->private_data we dont need it any more */
|
|
if(si->saved && si->saved->private_data){
|
|
g_free(si->saved->private_data);
|
|
si->saved->private_data=NULL;
|
|
}
|
|
|
|
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);
|
|
|
|
/* buffer code */
|
|
offset = dissect_smb2_buffercode(tree, tvb, offset, NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_break_response(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);
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(tree, hf_smb2_unknown, tvb, offset, 24, TRUE);
|
|
offset += 24;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* names here are just until we find better names for these functions */
|
|
const value_string smb2_cmd_vals[] = {
|
|
{ 0x00, "NegotiateProtocol" },
|
|
{ 0x01, "SessionSetupAndX" },
|
|
{ 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 },
|
|
};
|
|
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 */
|
|
{NULL,
|
|
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;
|
|
|
|
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);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_smb2_tid_uid(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;
|
|
proto_item *uid_item=NULL;
|
|
proto_tree *uid_tree=NULL;
|
|
smb2_uid_info_t uid_key;
|
|
int uid_offset;
|
|
proto_item *item;
|
|
|
|
/* 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;
|
|
|
|
/* User ID */
|
|
uid_offset = offset;
|
|
si->uid=tvb_get_letoh64(tvb, offset);
|
|
uid_item=proto_tree_add_item(tree, hf_smb2_uid, tvb, offset, 8, TRUE);
|
|
if(tree){
|
|
uid_tree=proto_item_add_subtree(uid_item, ett_smb2_uid_tree);
|
|
}
|
|
offset += 8;
|
|
|
|
/* now we need to first lookup the uid session */
|
|
uid_key.uid=si->uid;
|
|
si->session=g_hash_table_lookup(si->conv->uids, &uid_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_uid_info_t));
|
|
si->session->uid=si->uid;
|
|
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->uids, si->session, si->session);
|
|
|
|
return offset;
|
|
}
|
|
|
|
if (si->session->auth_frame != (guint32)-1) {
|
|
item=proto_tree_add_string(uid_tree, hf_smb2_acct_name, tvb, uid_offset, 0, si->session->acct_name);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
proto_item_append_text(uid_item, " Acct:%s", si->session->acct_name);
|
|
|
|
item=proto_tree_add_string(uid_tree, hf_smb2_domain_name, tvb, uid_offset, 0, si->session->domain_name);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
proto_item_append_text(uid_item, " Domain:%s", si->session->domain_name);
|
|
|
|
item=proto_tree_add_string(uid_tree, hf_smb2_host_name, tvb, uid_offset, 0, si->session->host_name);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
proto_item_append_text(uid_item, " Host:%s", si->session->host_name);
|
|
|
|
item=proto_tree_add_uint(uid_tree, hf_smb2_auth_frame, tvb, uid_offset, 0, si->session->auth_frame);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
}
|
|
|
|
/* 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 void
|
|
dissect_smb2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
|
|
{
|
|
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 old_offset;
|
|
guint16 header_len;
|
|
conversation_t *conversation;
|
|
smb2_saved_info_t *ssi=NULL, ssi_key;
|
|
smb2_info_t *si;
|
|
unsigned int pid;
|
|
|
|
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_conversation(pinfo->fd->num, &pinfo->src, &pinfo->dst, pinfo->ptype, pinfo->srcport, pinfo->destport, 0);
|
|
if(!conversation){
|
|
/* OK this is a new conversation so lets create it */
|
|
conversation = conversation_new(pinfo->fd->num, &pinfo->src, &pinfo->dst,
|
|
pinfo->ptype, pinfo->srcport, pinfo->destport, 0);
|
|
}
|
|
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->uids= g_hash_table_new(smb2_uid_info_hash,
|
|
smb2_uid_info_equal);
|
|
|
|
conversation_add_proto_data(conversation, proto_smb2, si->conv);
|
|
}
|
|
|
|
|
|
if (check_col(pinfo->cinfo, COL_PROTOCOL)){
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SMB2");
|
|
}
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
col_clear(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);
|
|
}
|
|
old_offset=offset;
|
|
|
|
/* 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;
|
|
|
|
/* padding */
|
|
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;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(header_tree, hf_smb2_unknown, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
/* flags */
|
|
si->flags=tvb_get_letohl(tvb, offset);
|
|
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_signature, tvb, offset, 4, si->flags);
|
|
proto_tree_add_boolean(flags_tree, hf_smb2_flags_pid_valid, tvb, offset, 4, si->flags);
|
|
proto_tree_add_boolean(flags_tree, hf_smb2_flags_response, tvb, offset, 4, si->flags);
|
|
|
|
offset += 4;
|
|
|
|
/* some unknown bytes */
|
|
proto_tree_add_item(header_tree, hf_smb2_unknown, 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;
|
|
|
|
/* Process ID */
|
|
pid=tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_uint_format(header_tree, hf_smb2_pid, tvb, offset, 4, pid, "Process Id: %08x %s",pid,(si->flags&SMB2_FLAGS_PID_VALID)?"":"(not valid)");
|
|
offset += 4;
|
|
|
|
/* Tree ID and User ID */
|
|
offset = dissect_smb2_tid_uid(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-old_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->private_data=NULL;
|
|
ssi->frame_req=pinfo->fd->num;
|
|
ssi->frame_res=0;
|
|
ssi->req_time=pinfo->fd->abs_ts;
|
|
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 */
|
|
dissect_smb2_command(pinfo, tree, tvb, offset, si);
|
|
}
|
|
|
|
static gboolean
|
|
dissect_smb2_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
|
|
{
|
|
/* must check that this really is a smb2 packet */
|
|
if (!tvb_bytes_exist(tvb, 0, 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;
|
|
}
|
|
|
|
dissect_smb2(tvb, pinfo, parent_tree);
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
proto_register_smb2(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_smb2_cmd,
|
|
{ "Command", "smb2.cmd", FT_UINT16, BASE_DEC,
|
|
VALS(smb2_cmd_vals), 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_DEC,
|
|
NULL, 0, "SMB2 Tree Id", HFILL }},
|
|
{ &hf_smb2_uid,
|
|
{ "User Id", "smb2.uid", FT_UINT64, BASE_HEX,
|
|
NULL, 0, "SMB2 User Id", 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_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_pid_valid,
|
|
{ "PID Valid", "smb2.flags.pid_valid", FT_BOOLEAN, 32,
|
|
TFS(&tfs_flags_pid_valid), SMB2_FLAGS_PID_VALID, "Whether the PID field is valid 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_UINT16, BASE_DEC,
|
|
NULL, 0, "Length of the file name", HFILL }},
|
|
|
|
{ &hf_smb2_search,
|
|
{ "Search Pattern", "smb2.search", FT_STRING, BASE_NONE,
|
|
NULL, 0, "Search pattern", HFILL }},
|
|
|
|
{ &hf_smb2_security_blob_len,
|
|
{ "Security Blob Length", "smb2.security_blob_len", FT_UINT16, BASE_DEC,
|
|
NULL, 0, "Security blob length", 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_response_size,
|
|
{ "Size of Find Data", "smb2.find.response_size", FT_UINT32, BASE_DEC,
|
|
NULL, 0, "Size of returned Find data", 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, "Infolevel", 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_write_offset,
|
|
{ "Write Offset", "smb2.write_offset", FT_UINT64, BASE_DEC,
|
|
NULL, 0, "At which offset to write the data", 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_offset,
|
|
{ "Read Offset", "smb2.read_offset", FT_UINT64, BASE_DEC,
|
|
NULL, 0, "At which offset to read the data", HFILL }},
|
|
|
|
{ &hf_smb2_security_blob,
|
|
{ "Security Blob", "smb2.security_blob", FT_BYTES, BASE_HEX,
|
|
NULL, 0, "Security blob", 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, "Server GUID", 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, "", HFILL }},
|
|
|
|
{ &hf_smb2_create_timestamp,
|
|
{ "Create", "smb2.create.time", FT_ABSOLUTE_TIME, BASE_NONE,
|
|
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_HEX,
|
|
NULL, 0, "SMB2 Data to be written", HFILL }},
|
|
|
|
{ &hf_smb2_read_data,
|
|
{ "Read Data", "smb2.read_data", FT_BYTES, BASE_HEX,
|
|
NULL, 0, "SMB2 Data that is read", HFILL }},
|
|
|
|
{ &hf_smb2_last_access_timestamp,
|
|
{ "Last Access", "smb2.last_access.time", FT_ABSOLUTE_TIME, BASE_NONE,
|
|
NULL, 0, "Time when this object was last accessed", HFILL }},
|
|
|
|
{ &hf_smb2_last_write_timestamp,
|
|
{ "Last Write", "smb2.last_write.time", FT_ABSOLUTE_TIME, BASE_NONE,
|
|
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, BASE_NONE,
|
|
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, "", 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, "Create Action", HFILL }},
|
|
|
|
{ &hf_smb2_extrainfo,
|
|
{ "ExtraInfo", "smb2.create.extrainfo", FT_NONE, BASE_NONE,
|
|
NULL, 0, "Create ExtraInfo", HFILL }},
|
|
|
|
{ &hf_smb2_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_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, BASE_NONE,
|
|
NULL, 0, "Current Time at server", HFILL }},
|
|
|
|
{ &hf_smb2_boot_time,
|
|
{ "Boot Time", "smb2.boot_time", FT_ABSOLUTE_TIME, BASE_NONE,
|
|
NULL, 0, "Boot Time at server", HFILL }},
|
|
|
|
{ &hf_smb2_ea_flags,
|
|
{ "EA Flags", "smb2.ea.flags", FT_UINT8, BASE_HEX,
|
|
NULL, 0, "EA Flags", HFILL }},
|
|
|
|
{ &hf_smb2_ea_name_len,
|
|
{ "EA Name Length", "smb2.ea.name_len", FT_UINT8, BASE_DEC,
|
|
NULL, 0, "EA Name Length", HFILL }},
|
|
|
|
{ &hf_smb2_ea_data_len,
|
|
{ "EA Data Length", "smb2.ea.data_len", FT_UINT8, BASE_DEC,
|
|
NULL, 0, "EA Data Length", HFILL }},
|
|
|
|
{ &hf_smb2_delete_pending,
|
|
{ "Delete Pending", "smb2.delete_pending", FT_UINT8, BASE_DEC,
|
|
NULL, 0, "Delete Pending", HFILL }},
|
|
|
|
{ &hf_smb2_is_directory,
|
|
{ "Is Directory", "smb2.is_directory", FT_UINT8, BASE_DEC,
|
|
NULL, 0, "Is this a directory?", HFILL }},
|
|
|
|
{ &hf_smb2_create_flags,
|
|
{ "Create Flags", "smb2.create.flags", FT_UINT16, BASE_HEX,
|
|
NULL, 0, "Create flags", HFILL }},
|
|
|
|
{ &hf_smb2_create_flags_request_oplock,
|
|
{ "Request Oplock", "smb2.create_flags.request_oplock", FT_BOOLEAN, 16,
|
|
NULL, 0x0100, "", HFILL }},
|
|
|
|
{ &hf_smb2_create_flags_request_exclusive_oplock,
|
|
{ "Request Exclusive Oplock", "smb2.create_flags.request_exclusive_oplock", FT_BOOLEAN, 16,
|
|
NULL, 0x0800, "", HFILL }},
|
|
|
|
{ &hf_smb2_create_flags_grant_oplock,
|
|
{ "Grant Oplock", "smb2.create_flags.grant_oplock", FT_BOOLEAN, 16,
|
|
NULL, 0x0001, "", HFILL }},
|
|
|
|
{ &hf_smb2_create_flags_grant_exclusive_oplock,
|
|
{ "Grant Exclusive Oplock", "smb2.create_flags.grant_exclusive_oplock", FT_BOOLEAN, 16,
|
|
NULL, 0x0008, "", HFILL }},
|
|
|
|
{ &hf_smb2_close_flags,
|
|
{ "Close Flags", "smb2.close.flags", FT_UINT16, BASE_HEX,
|
|
NULL, 0, "close flags", 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, "EA Data", HFILL }},
|
|
|
|
{ &hf_smb2_ea_name,
|
|
{ "EA Name", "smb2.ea.name", FT_STRING, BASE_NONE,
|
|
NULL, 0, "EA Name", 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_UINT16, BASE_DEC,
|
|
VALS(smb2_share_type_vals), 0, "Type of share", 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_HEX,
|
|
NULL, 0, "Signature", HFILL }},
|
|
|
|
{ &hf_smb2_unknown,
|
|
{ "unknown", "smb2.unknown", FT_BYTES, BASE_HEX,
|
|
NULL, 0, "Unknown bytes", HFILL }},
|
|
|
|
{ &hf_smb2_unknown_timestamp,
|
|
{ "Timestamp", "smb2.unknown.timestamp", FT_ABSOLUTE_TIME, BASE_NONE,
|
|
NULL, 0, "Unknown timestamp", 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_uid_tree,
|
|
&ett_smb2_create_flags,
|
|
&ett_smb2_chain_element,
|
|
&ett_smb2_MxAc_buffer,
|
|
&ett_smb2_ioctl_function,
|
|
&ett_smb2_FILE_OBJECTID_BUFFER,
|
|
&ett_smb2_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);
|
|
}
|