/* packet-rsvd.c * Routines for RSVD dissection * Copyright 2015, Richard Sharpe * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ /* * RSVD, documented in [MS-RSVD].pdf, by Microsoft, the Remote Shared Virtual * Disk protocol. */ #include "config.h" #include #include #if 0 #include "packet-smb-common.h" #endif #include "packet-windows-common.h" #include "packet-scsi.h" void proto_register_rsvd(void); static int proto_rsvd; static int hf_svhdx_protocol_id; static int hf_svhdx_protocol_version; static int hf_svhdx_operation_code; static int hf_svhdx_status; static int hf_svhdx_request_id; static int hf_svhdx_tunnel_scsi_length; static int hf_svhdx_tunnel_scsi_reserved1; static int hf_svhdx_tunnel_scsi_cdb_length; static int hf_svhdx_tunnel_scsi_sense_info_ex_length; static int hf_svhdx_tunnel_scsi_data_in; static int hf_svhdx_tunnel_scsi_reserved2; static int hf_svhdx_tunnel_scsi_srb_flags; static int hf_svhdx_tunnel_scsi_data_transfer_length; static int hf_svhdx_tunnel_scsi_reserved3; static int hf_svhdx_tunnel_scsi_cdb; static int hf_svhdx_tunnel_scsi_cdb_padding; static int hf_svhdx_tunnel_scsi_data; static int hf_svhdx_tunnel_scsi_auto_generated_sense; static int hf_svhdx_tunnel_scsi_srb_status; static int hf_svhdx_tunnel_scsi_sense_data_ex; static int hf_svhdx_tunnel_scsi_status; static int hf_svhdx_tunnel_file_info_server_version; static int hf_svhdx_tunnel_file_info_sector_size; static int hf_svhdx_tunnel_file_info_physical_sector_size; static int hf_svhdx_tunnel_file_info_reserved; static int hf_svhdx_tunnel_file_info_virtual_size; static int hf_svhdx_tunnel_disk_info_reserved1; static int hf_svhdx_tunnel_disk_info_blocksize; static int hf_svhdx_tunnel_disk_info_linkage_id; static int hf_svhdx_tunnel_disk_info_disk_type; static int hf_svhdx_tunnel_disk_info_disk_format; static int hf_svhdx_tunnel_disk_info_is_mounted; static int hf_svhdx_tunnel_disk_info_is_4k_aligned; static int hf_svhdx_tunnel_disk_info_reserved; static int hf_svhdx_tunnel_disk_info_file_size; static int hf_svhdx_tunnel_disk_info_virtual_disk_id; static int hf_svhdx_tunnel_validate_disk_reserved; static int hf_svhdx_tunnel_validate_disk_is_valid_disk; static int hf_svhdx_tunnel_srb_status_status_key; static int hf_svhdx_tunnel_srb_status_reserved; static int hf_svhdx_tunnel_srb_status_sense_info_auto_generated; static int hf_svhdx_tunnel_srb_status_srb_status; static int hf_svhdx_tunnel_srb_status_scsi_status; static int hf_svhdx_tunnel_srb_status_sense_info_ex_length; static int hf_svhdx_tunnel_srb_status_sense_data_ex; static int hf_svhdx_tunnel_safe_virtual_size; static int hf_svhdx_tunnel_transaction_id; static int hf_svhdx_tunnel_meta_operation_type; static int hf_svhdx_tunnel_padding; static int hf_svhdx_tunnel_resize_new_size; static int hf_svhdx_tunnel_resize_expand_only_flag; static int hf_svhdx_tunnel_resize_allow_unsafe_virt_size_flag; static int hf_svhdx_tunnel_resize_shrink_to_minimum_safe_size_flag; static int hf_svhdx_tunnel_meta_operation_start_reserved; static int hf_svhdx_tunnel_snapshot_type; static int hf_svhdx_tunnel_snapshot_id; static int hf_svhdx_tunnel_create_snapshot_flags; static int hf_svhdx_tunnel_create_snapshot_flag_enable_change_tracking; static int hf_svhdx_tunnel_create_snapshot_stage1; static int hf_svhdx_tunnel_create_snapshot_stage2; static int hf_svhdx_tunnel_create_snapshot_stage3; static int hf_svhdx_tunnel_create_snapshot_stage4; static int hf_svhdx_tunnel_create_snapshot_stage5; static int hf_svhdx_tunnel_create_snapshot_stage6; static int hf_svhdx_tunnel_create_snapshot_parameters_payload_size; static int hf_svhdx_tunnel_convert_dst_vhdset_name_len; static int hf_svhdx_tunnel_convert_dst_vhdset_name; static int hf_svhdx_tunnel_delete_snapshot_persist_reference; static int hf_svhdx_tunnel_meta_op_query_progress_current_progress; static int hf_svhdx_tunnel_meta_op_query_progress_complete_value; static int hf_svhdx_tunnel_vhdset_information_type; static int hf_svhdx_tunnel_vhdset_snapshot_creation_time; static int hf_svhdx_tunnel_vhdset_is_valid_snapshot; static int hf_svhdx_tunnel_vhdset_parent_snapshot_id; static int hf_svhdx_tunnel_vhdset_log_file_id; static int ett_rsvd; static int ett_svhdx_tunnel_op_header; static int ett_svhdx_tunnel_scsi_request; static int ett_rsvd_create_snapshot_flags; static const value_string rsvd_operation_code_vals[] = { { 0x02001001, "RSVD_TUNNEL_GET_INITIAL_INFO" }, { 0x02001002, "RSVD_TUNNEL_SCSI" }, { 0x02001003, "RSVD_TUNNEL_CHECK_CONNECTION_STATUS" }, { 0x02001004, "RSVD_TUNNEL_SRB_STATUS" }, { 0x02001005, "RSVD_TUNNEL_GET_DISK_INFO" }, { 0x02001006, "RSVD_TUNNEL_VALIDATE_DISK" }, { 0x02002101, "RSVD_TUNNEL_META_OPERATION_START" }, { 0x02002002, "RSVD_TUNNEL_META_OPERATION_QUERY_PROGRESS" }, { 0x02002005, "RSVD_TUNNEL_VHDSET_QUERY_INFORMATION" }, { 0x02002006, "RSVD_TUNNEL_DELETE_SNAPSHOT" }, { 0x02002008, "RSVD_TUNNEL_CHANGE_TRACKING_GET_PARAMETERS" }, { 0x02002009, "RSVD_TUNNEL_CHANGE_TRACKING_START" }, { 0x0200200A, "RSVD_TUNNEL_CHANGE_TRACKING_STOP" }, { 0x0200200C, "RSVD_TUNNEL_QUERY_VIRTUAL_DISK_CHANGES" }, { 0x0200200D, "RSVD_TUNNEL_QUERY_SAFE_SIZE" }, { 0, NULL } }; static const value_string rsvd_sense_info_vals[] = { { 0x0, "Sense Info Not Auto Generated" }, { 0x1, "Sense Info Auto Generated" }, { 0, NULL } }; static const value_string rsvd_disk_type_vals[] = { { 0x02, "VHD_TYPE_FIXED" }, { 0x03, "VHD_TYPE_DYNAMIC" }, { 0, NULL } }; static const value_string rsvd_disk_format_vals[] = { { 0x03, "VIRTUAL_STORAGE_TYPE_DEVICE_VHDX" }, { 0x04, "VIRTUAL_STORAGE_TYPE_DEVICE_VHDSET" }, { 0, NULL } }; /* * We need this data to handle SCSI requests and responses, I think */ typedef struct _rsvd_task_data_t { uint32_t request_frame; uint32_t response_frame; itlq_nexus_t *itlq; } rsvd_task_data_t; typedef struct _rsvd_conv_data_t { wmem_map_t *tasks; wmem_tree_t *itl; rsvd_task_data_t *task; conversation_t *conversation; } rsvd_conv_data_t; static rsvd_conv_data_t *rsvd_conv_data; static proto_tree *top_tree; static itl_nexus_t * get_itl_nexus(packet_info *pinfo) { itl_nexus_t *itl = NULL; if (!(itl = (itl_nexus_t *)wmem_tree_lookup32_le(rsvd_conv_data->itl, pinfo->num))) { itl = wmem_new(wmem_file_scope(), itl_nexus_t); itl->cmdset = 0xff; itl->conversation = rsvd_conv_data->conversation; wmem_tree_insert32(rsvd_conv_data->itl, pinfo->num, itl); } return itl; } static int dissect_RSVD_GET_INITIAL_INFO(tvbuff_t *tvb, proto_tree *parent_tree, int offset, int16_t len, bool request) { proto_tree *gfi_sub_tree; proto_item *gfi_sub_item; if (!request) { gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_GET_INITIAL_INFO_RESPONSE"); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_file_info_server_version, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_file_info_sector_size, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_file_info_physical_sector_size, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_file_info_reserved, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_file_info_virtual_size, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; } return offset; } static const value_string rsvd_data_in_vals[] = { { 0x00, "Client is requesting data from the server" }, { 0x01, "Client is sending data to the server" }, { 0x02, "Client is neither sending nor requesting an additional data buffer" }, { 0, NULL } }; static void dissect_scsi_payload_databuffer(tvbuff_t *tvb, packet_info *pinfo, int offset, uint32_t data_transfer_length, bool request) { tvbuff_t *data_tvb = NULL; int tvb_len, tvb_rlen; tvb_len = tvb_captured_length_remaining(tvb, offset); if (tvb_len > (int)data_transfer_length) tvb_len = data_transfer_length; tvb_rlen = tvb_reported_length_remaining(tvb, offset); if (tvb_rlen > (int)data_transfer_length) tvb_rlen = data_transfer_length; data_tvb = tvb_new_subset_length_caplen(tvb, offset, tvb_len, tvb_rlen); if (rsvd_conv_data->task && rsvd_conv_data->task->itlq) { rsvd_conv_data->task->itlq->task_flags = SCSI_DATA_READ | SCSI_DATA_WRITE; rsvd_conv_data->task->itlq->data_length = data_transfer_length; rsvd_conv_data->task->itlq->bidir_data_length = data_transfer_length; dissect_scsi_payload(data_tvb, pinfo, top_tree, request, rsvd_conv_data->task->itlq, get_itl_nexus(pinfo), 0); } } /* * Dissect a tunnelled SCSI request and call the SCSI dissector where * needed. */ static int dissect_RSVD_TUNNEL_SCSI(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, int offset, int16_t len, bool request, uint64_t request_id) { proto_tree *sub_tree; proto_item *sub_item; uint32_t length; uint32_t cdb_length; uint8_t data_in; uint32_t data_transfer_length; uint32_t sense_info_ex_length; conversation_t *conversation; conversation = find_or_create_conversation(pinfo); rsvd_conv_data = (rsvd_conv_data_t *)conversation_get_proto_data(conversation, proto_rsvd); if (!rsvd_conv_data) { rsvd_conv_data = wmem_new(wmem_file_scope(), rsvd_conv_data_t); rsvd_conv_data->tasks = wmem_map_new(wmem_file_scope(), wmem_int64_hash, g_int64_equal); rsvd_conv_data->itl = wmem_tree_new(wmem_file_scope()); rsvd_conv_data->conversation = conversation; conversation_add_proto_data(conversation, proto_rsvd, rsvd_conv_data); } rsvd_conv_data->task = NULL; rsvd_conv_data->task = (rsvd_task_data_t *)wmem_map_lookup(rsvd_conv_data->tasks, (const void *)&request_id); if (!pinfo->fd->visited) { if (rsvd_conv_data->task == NULL) { uint64_t *key_copy = wmem_new(wmem_file_scope(), uint64_t); *key_copy = request_id; rsvd_conv_data->task = wmem_new0(wmem_file_scope(), rsvd_task_data_t); rsvd_conv_data->task->itlq = wmem_new0(wmem_file_scope(), itlq_nexus_t); rsvd_conv_data->task->itlq->lun = 0xffff; rsvd_conv_data->task->itlq->scsi_opcode = 0xffff; rsvd_conv_data->task->itlq->fc_time = pinfo->abs_ts; wmem_map_insert(rsvd_conv_data->tasks, (const void *)key_copy, rsvd_conv_data->task); } if (request) { rsvd_conv_data->task->request_frame = pinfo->num; rsvd_conv_data->task->itlq->first_exchange_frame = pinfo->num; } else { rsvd_conv_data->task->response_frame = pinfo->num; rsvd_conv_data->task->itlq->last_exchange_frame = pinfo->num; } } sub_tree = proto_tree_add_subtree_format(parent_tree, tvb, offset, len, ett_svhdx_tunnel_scsi_request, &sub_item, "SVHDX_TUNNEL_SCSI_%s", (request ? "REQUEST" : "RESPONSE")); if (request) { tvbuff_t *scsi_cdb = NULL; /* Length */ proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_length, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; /* Reserved1 */ proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_reserved1, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; /* CDBLength */ cdb_length = tvb_get_uint8(tvb, offset); proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_cdb_length, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset++; /* SensInfoExLength */ /* You'll notice that there is no SenseDataEx field in the request. * This field is pointless and ignored. In some versions Microsoft * said that this field MUST be set to zero; recent versions say * that it SHOULD be set to 20 (which is the size of the CDBBuffer * plus Reserved3.) */ proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_sense_info_ex_length, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset++; /* DataIn */ data_in = tvb_get_uint8(tvb, offset); proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_data_in, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset++; /* Reserved2 */ proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_reserved2, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset++; /* SrbFlags */ proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_srb_flags, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* DataTransferLength */ data_transfer_length = tvb_get_letohl(tvb, offset); proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_data_transfer_length, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* CDBBuffer */ scsi_cdb = tvb_new_subset_length_caplen(tvb, offset, cdb_length, tvb_reported_length_remaining(tvb, offset)); proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_cdb, tvb, offset, cdb_length, ENC_NA); offset += cdb_length; if (cdb_length < 16) { /* * CDBBuffer is always 16 bytes - see MS-RSVD section 2.2.4.7 * "SVHDX_TUNNEL_SCSI_REQUEST Structure": * * https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-rsvd/e8bcb003-97b3-41ef-9689-cd2d1668a9cc * * If CDB is actually smaller, we need to define padding bytes */ uint32_t cdb_padding_length = 16 - cdb_length; proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_cdb_padding, tvb, offset, cdb_padding_length, ENC_NA); offset += cdb_padding_length; } /* Reserved3 */ proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_reserved3, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* DataBuffer */ if (data_transfer_length) { proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_data, tvb, offset, data_transfer_length, ENC_NA); } /* * Now the SCSI Request */ if (rsvd_conv_data->task && rsvd_conv_data->task->itlq) { dissect_scsi_cdb(scsi_cdb, pinfo, top_tree, SCSI_DEV_SMC, rsvd_conv_data->task->itlq, get_itl_nexus(pinfo)); if (data_in == 0) { /* Only OUT operations have meaningful SCSI payload in request packet */ dissect_scsi_payload_databuffer(tvb, pinfo, offset, data_transfer_length, request); } } /* increment after DataBuffer */ offset += data_transfer_length; } else { uint8_t scsi_status = 0; /* Length */ proto_tree_add_item_ret_uint(sub_tree, hf_svhdx_tunnel_scsi_length, tvb, offset, 2, ENC_LITTLE_ENDIAN, &length); offset += 2; /* A */ proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_auto_generated_sense, tvb, offset, 1, ENC_BIG_ENDIAN); /* SrbStatus */ proto_tree_add_bits_item(sub_tree, hf_svhdx_tunnel_scsi_srb_status, tvb, offset * 8 + 1, 7, ENC_BIG_ENDIAN); offset++; /* ScsiStatus */ scsi_status = tvb_get_uint8(tvb, offset); proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_status, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset++; /* CdbLength */ proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_cdb_length, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset++; /* SensInfoExLength */ sense_info_ex_length = tvb_get_uint8(tvb, offset); proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_sense_info_ex_length, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset++; /* DataIn */ data_in = tvb_get_uint8(tvb, offset); proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_data_in, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset++; /* Reserved */ proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_reserved2, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset++; /* SrbFlags */ proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_srb_flags, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* DataTransferLength */ data_transfer_length = tvb_get_letohl(tvb, offset); proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_data_transfer_length, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* SenseDataEx */ /* Microsoft kept going back and forth with this field. Up through * version 6.0 of the MS-RSVD specification, SenseInfoExLength had * the length of SenseDataEx, a variable length fields. In 7.0, * it was changed so that SenseDataEx was a fixed length 20 byte * field, and SenseInfoExLength had the number of bytes, of the * data actually contained in the field, which had to be 20 or fewer. * Then in 11.0 it was changed back. * In the 7.0-10.0 case, the 20 byte field seemed to actually * contain the CDB + padding + Reserved3 from the Request copied back. * Luckily there's also a Length field that measures the size of * the structure excluding the DataBuffer. In the versions with the * 20 byte fixed SenseDataEx field, the protocol notes that it MUST * MUST be set to the appropriate value of 36. (DataBuffer is the * only other possibly variable length field.) */ if (length == 36 && sense_info_ex_length < 20) { sense_info_ex_length = 20; } proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_sense_data_ex, tvb, offset, sense_info_ex_length, ENC_NA); offset += sense_info_ex_length; /* DataBuffer */ if (data_transfer_length) { proto_tree_add_item(sub_tree, hf_svhdx_tunnel_scsi_data, tvb, offset, data_transfer_length, ENC_NA); if (data_in == 1) { /* Only IN operations have meaningful SCSI payload in reply packet */ dissect_scsi_payload_databuffer(tvb, pinfo, offset, data_transfer_length, request); } offset += data_transfer_length; } /* * Now, the SCSI response */ if (rsvd_conv_data->task && rsvd_conv_data->task->itlq) { dissect_scsi_rsp(tvb, pinfo, top_tree, rsvd_conv_data->task->itlq, get_itl_nexus(pinfo), scsi_status); } } return offset; } static int dissect_RSVD_SRB_STATUS(tvbuff_t *tvb, proto_tree *parent_tree, int offset, int16_t len, bool request) { proto_tree *gfi_sub_tree; proto_item *gfi_sub_item; if (request) { gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_SRB_STATUS_REQUEST"); /* StatusKey */ proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_srb_status_status_key, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset += 1; /* Reserved */ proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_srb_status_reserved, tvb, offset, 1, ENC_NA); offset += 27; } else { uint8_t sense_info_length; gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_SRB_STATUS_RESPONSE"); /* StatusKey */ proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_srb_status_status_key, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset += 1; /* SenseInfoAutoGenerated and SrbStatus */ proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_srb_status_sense_info_auto_generated, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_bits_item(gfi_sub_tree, hf_svhdx_tunnel_srb_status_srb_status, tvb, offset * 8 + 1, 7, ENC_BIG_ENDIAN); offset += 1; /* ScsiStatus */ proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_srb_status_scsi_status, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset += 1; /* SenseInfoExLength */ sense_info_length = tvb_get_uint8(tvb, offset); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_srb_status_sense_info_ex_length, tvb, offset, 1, ENC_NA); offset += 1; /* SenseDataEx */ /* For the same reasons as discussed in RSVD_TUNNEL_SCSI, in some * versions this field is a fixed 20 octets, and the length just * indicates the number of bytes of real sense data in it. * At least it's at the end; we'll just ignore the padding. */ proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_srb_status_sense_data_ex, tvb, offset, sense_info_length, ENC_NA); offset += sense_info_length; } return offset; } static int dissect_RSVD_GET_DISK_INFO(tvbuff_t *tvb, proto_tree *parent_tree, int offset, int16_t len, bool request) { proto_tree *gfi_sub_tree; proto_item *gfi_sub_item; if (request) { gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_GET_DISK_INFO_REQUEST"); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_reserved1, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_blocksize, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_linkage_id, tvb, offset, 16, ENC_LITTLE_ENDIAN); offset += 16; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_is_mounted, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset += 1; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_is_4k_aligned, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset += 1; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_reserved, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_file_size, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_virtual_disk_id, tvb, offset, 16, ENC_LITTLE_ENDIAN); offset += 16; } else { gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_GET_DISK_INFO_RESPONSE"); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_disk_type, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_disk_format, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_blocksize, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_linkage_id, tvb, offset, 16, ENC_LITTLE_ENDIAN); offset += 16; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_is_mounted, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset += 1; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_is_4k_aligned, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset += 1; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_reserved, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_file_size, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_disk_info_virtual_disk_id, tvb, offset, 16, ENC_LITTLE_ENDIAN); offset += 16; } return offset; } static int dissect_RSVD_VALIDATE_DISK(tvbuff_t *tvb, proto_tree *parent_tree, int offset, int16_t len, bool request) { proto_tree *gfi_sub_tree; proto_item *gfi_sub_item; if (request) { gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_VALIDATE_DISK_REQUEST"); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_validate_disk_reserved, tvb, offset, 56, ENC_NA); offset += 56; } else { gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_VALIDATE_DISK_RESPONSE"); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_validate_disk_is_valid_disk, tvb, offset, 1, ENC_NA); offset += 1; } return offset; } static const value_string rsvd_meta_operation_type_vals[] = { { 0x00, "SvhdxMetaOperationTypeResize" }, { 0x01, "SvhdxMetaOperationTypeCreateSnapshot" }, { 0x02, "SvhdxMetaOperationTypeOptimize" }, { 0x03, "SvhdxMetaOperationTypeExtractVHD" }, { 0x04, "SvhdxMetaOperationTypeConvertToVHDSet" }, { 0x05, "SvhdxMetaOperationTypeApplySnapshot" }, { 0, NULL } }; static const value_string svhdx_snapshot_type_vals[] = { { 0x01, "SvhdxSnapshotTypeVM" }, { 0x03, "SvhdxSnapshotTypeCDP" }, { 0x04, "SvhdxSnapshotTypeWriteable" }, { 0, NULL } }; static const value_string svhdx_snapshot_stage_vals[] = { { 0x00, "SvhdxSnapshotStageInvalid" }, { 0x01, "SvhdxSnapshotStageInitialize" }, { 0x02, "SvhdxSnapshotStageBlockIO" }, { 0x03, "SvhdxSnapshotStageSwitchObjectStore" }, { 0x04, "SvhdxSnapshotStageUnblockIO" }, { 0x05, "SvhdxSnapshotStageFinalize" }, { 0, NULL } }; #define SVHDX_SNAPSHOT_DISK_FLAG_ENABLE_CHANGE_TRACKING 0x00000001 static int dissect_RSVD2_META_OPERATION_START(tvbuff_t *tvb, proto_tree *parent_tree, int offset, int16_t len, bool request) { static int * const meta_operation_create_snapshot_flags[] = { &hf_svhdx_tunnel_create_snapshot_flag_enable_change_tracking, NULL }; uint32_t operation_type = 0; uint32_t length = 0; proto_tree *gfi_sub_tree; proto_item *gfi_sub_item; if (request) { gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_META_OPERATION_START_REQUEST"); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_transaction_id, tvb, offset, 16, ENC_LITTLE_ENDIAN); offset += 16; operation_type = tvb_get_letohl(tvb, offset); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_meta_operation_type, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_padding, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; switch (operation_type) { case 0x00: /* SvhdxMetaOperationTypeResize */ proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_resize_new_size, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_resize_expand_only_flag, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset += 1; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_resize_allow_unsafe_virt_size_flag, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset += 1; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_resize_shrink_to_minimum_safe_size_flag, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset += 1; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_meta_operation_start_reserved, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset += 1; break; case 0x01: /* SvhdxMetaOperationTypeCreateSnapshot */ proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_snapshot_type, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_bitmask(gfi_sub_tree, tvb, offset, hf_svhdx_tunnel_create_snapshot_flags, ett_rsvd_create_snapshot_flags, meta_operation_create_snapshot_flags, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_create_snapshot_stage1, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_create_snapshot_stage2, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_create_snapshot_stage3, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_create_snapshot_stage4, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_create_snapshot_stage5, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_create_snapshot_stage6, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_snapshot_id, tvb, offset, 16, ENC_LITTLE_ENDIAN); offset += 16; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_create_snapshot_parameters_payload_size, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; break; case 0x02: /* SvhdxMetaOperationTypeOptimize */ /* No Data, field MUST be empty */ break; case 0x03: /* SvhdxMetaOperationTypeExtractVHD */ /* TODO */ break; case 0x04: /* SvhdxMetaOperationTypeConvertToVHDSet */ length = tvb_get_letohl(tvb, offset); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_convert_dst_vhdset_name_len, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; if (length) { proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_convert_dst_vhdset_name, tvb, offset, length, ENC_UTF_16|ENC_LITTLE_ENDIAN); } break; case 0x05: /* SvhdxMetaOperationTypeApplySnapshot */ proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_snapshot_type, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_snapshot_id, tvb, offset, 16, ENC_LITTLE_ENDIAN); offset += 16; break; } } return offset; } static int dissect_RSVD2_META_OPERATION_QUERY_PROGRESS(tvbuff_t *tvb, proto_tree *parent_tree, int offset, int16_t len, bool request, uint32_t status) { proto_tree *gfi_sub_tree; proto_item *gfi_sub_item; if (request) { gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_META_OPERATION_QUERY_PROGRESS_REQUEST"); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_transaction_id, tvb, offset, 16, ENC_LITTLE_ENDIAN); offset += 16; } else { if (status == 0) { /* If status is not successful, RSVD response buffer is filled by data from request buffer and we should not parse output structure */ gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_META_OPERATION_QUERY_PROGRESS_RESPONSE"); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_meta_op_query_progress_current_progress, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_meta_op_query_progress_complete_value, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; } } return offset; } static const value_string svhdx_vhdset_information_type_vals[] = { { 0x02, "SvhdxVHDSetInformationTypeSnapshotList" }, { 0x05, "SvhdxVHDSetInformationTypeSnapshotEntry" }, { 0x08, "SvhdxVHDSetInformationTypeOptimizeNeeded" }, { 0x09, "SvhdxVHDSetInformationTypeCdpSnapshotRoot" }, { 0x0A, "SvhdxVHDSetInformationTypeCdpSnapshotActiveList" }, { 0x0C, "SvhdxVHDSetInformationTypeCdpSnapshotInactiveList" }, { 0, NULL } }; static int dissect_RSVD2_VHDSET_QUERY_INFORMATION(tvbuff_t *tvb, proto_tree *parent_tree, int offset, int16_t len, bool request) { proto_tree *gfi_sub_tree; proto_item *gfi_sub_item; if (request) { gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_VHDSET_QUERY_INFORMATION_REQUEST"); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_vhdset_information_type, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_snapshot_type, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_snapshot_id, tvb, offset, 16, ENC_LITTLE_ENDIAN); offset += 16; } else { uint32_t vhdset_info_type = tvb_get_letohl(tvb, offset); switch (vhdset_info_type) { case 0x02: /* SvhdxVHDSetInformationTypeSnapshotList */ gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_VHDSET_QUERY_INFORMATION_SNAPSHOT_LIST_RESPONSE"); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_vhdset_information_type, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* TODO: make full dissection */ break; case 0x05: /* SvhdxVHDSetInformationTypeSnapshotEntry */ gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_VHDSET_QUERY_INFORMATION_SNAPSHOT_ENTRY_RESPONSE"); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_vhdset_information_type, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_padding, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; dissect_nttime(tvb, gfi_sub_tree, offset, hf_svhdx_tunnel_vhdset_snapshot_creation_time, ENC_LITTLE_ENDIAN); offset += 8; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_snapshot_type, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_vhdset_is_valid_snapshot, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_snapshot_id, tvb, offset, 16, ENC_LITTLE_ENDIAN); offset += 16; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_vhdset_parent_snapshot_id, tvb, offset, 16, ENC_LITTLE_ENDIAN); offset += 16; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_vhdset_log_file_id, tvb, offset, 16, ENC_LITTLE_ENDIAN); offset += 16; break; } } return offset; } static int dissect_RSVD2_DELETE_SNAPSHOT(tvbuff_t *tvb, proto_tree *parent_tree, int offset, int16_t len, bool request) { proto_tree *gfi_sub_tree; proto_item *gfi_sub_item; if (request) { gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_DELETE_SNAPSHOT_REQUEST"); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_snapshot_id, tvb, offset, 16, ENC_LITTLE_ENDIAN); offset += 16; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_delete_snapshot_persist_reference, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_snapshot_type, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; } return offset; } static int dissect_RSVD2_QUERY_SAFE_SIZE(tvbuff_t *tvb, proto_tree *parent_tree, int offset, int16_t len, bool request) { proto_tree *gfi_sub_tree; proto_item *gfi_sub_item; if (!request) { gfi_sub_tree = proto_tree_add_subtree(parent_tree, tvb, offset, len, ett_svhdx_tunnel_op_header, &gfi_sub_item, "RSVD_TUNNEL_QUERY_SAFE_SIZE_RESPONSE"); proto_tree_add_item(gfi_sub_tree, hf_svhdx_tunnel_safe_virtual_size, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; } return offset; } static int dissect_rsvd(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void *data) { uint32_t header_bytes = 0; unsigned proto_id = 0; unsigned proto_version = 0; uint32_t operation_code = 0; uint32_t status; proto_item *ti; proto_tree *rsvd_tree; proto_item *sub_item; proto_tree *sub_tree; unsigned offset = 0; uint16_t len; uint64_t request_id = 0; bool request = *(bool *)data; top_tree = parent_tree; len = tvb_reported_length(tvb); col_set_str(pinfo->cinfo, COL_PROTOCOL, "RSVD"); col_clear(pinfo->cinfo, COL_INFO); /* * The header bytes need to be pulled in as a 32bit LE value. And the * header is the same in a request or a response ... */ header_bytes = tvb_get_letohl(tvb, 0); /* Get the header bytes */ proto_id = header_bytes >> 24; proto_version = (header_bytes >> 12) & 0x0FFF; operation_code = header_bytes; ti = proto_tree_add_item(parent_tree, proto_rsvd, tvb, offset, -1, ENC_NA); rsvd_tree = proto_item_add_subtree(ti, ett_rsvd); sub_tree = proto_tree_add_subtree(rsvd_tree, tvb, offset, (len>16) ? 16 : len, ett_svhdx_tunnel_op_header, &sub_item, "SVHDX_TUNNEL_OPERATION_HEADER"); /* ProtocolID */ proto_tree_add_uint(sub_tree, hf_svhdx_protocol_id, tvb, offset, 4, proto_id); /* ProtocolVersion */ proto_tree_add_uint(sub_tree, hf_svhdx_protocol_version, tvb, offset, 4, proto_version); /* Operation Code */ proto_tree_add_uint(sub_tree, hf_svhdx_operation_code, tvb, offset, 4, operation_code); offset += 4; /* Status */ status = tvb_get_letohl(tvb, offset); proto_tree_add_item(sub_tree, hf_svhdx_status, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* RequestId */ request_id = tvb_get_ntoh64(tvb, offset); proto_tree_add_item(sub_tree, hf_svhdx_request_id, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; col_append_fstr(pinfo->cinfo, COL_INFO, "%s %s", val_to_str(operation_code, rsvd_operation_code_vals, "Unknown Operation Code (0x%08X)"), request ? "Request" : "Response"); proto_item_append_text(ti, ", %s %s", val_to_str(operation_code, rsvd_operation_code_vals, "Unknown Operation Code (0x%08X)"), request ? "Request" : "Response"); /* * Now process the individual requests ... */ switch (operation_code) { case 0x02001001: offset += dissect_RSVD_GET_INITIAL_INFO(tvb, rsvd_tree, offset, len - offset, request); break; case 0x02001002: offset += dissect_RSVD_TUNNEL_SCSI(tvb, pinfo, rsvd_tree, offset, len - offset, request, request_id); break; case 0x02001003: /* * There is nothing more here. */ break; case 0x02001004: offset += dissect_RSVD_SRB_STATUS(tvb, rsvd_tree, offset, len - offset, request); break; case 0x02001005: offset += dissect_RSVD_GET_DISK_INFO(tvb, rsvd_tree, offset, len - offset, request); break; case 0x02001006: offset += dissect_RSVD_VALIDATE_DISK(tvb, rsvd_tree, offset, len - offset, request); break; /* RSVD v2 operations */ case 0x02002101: offset += dissect_RSVD2_META_OPERATION_START(tvb, rsvd_tree, offset, len - offset, request); break; case 0x02002002: offset += dissect_RSVD2_META_OPERATION_QUERY_PROGRESS(tvb, rsvd_tree, offset, len - offset, request, status); break; case 0x02002005: offset += dissect_RSVD2_VHDSET_QUERY_INFORMATION(tvb, rsvd_tree, offset, len - offset, request); break; case 0x02002006: offset += dissect_RSVD2_DELETE_SNAPSHOT(tvb, rsvd_tree, offset, len - offset, request); break; case 0x0200200D: offset += dissect_RSVD2_QUERY_SAFE_SIZE(tvb, rsvd_tree, offset, len - offset, request); break; /* TODO: implement more dissectors for RSVD v2 */ default: break; } return offset; } void proto_register_rsvd(void) { static hf_register_info hf[] = { { &hf_svhdx_protocol_id, { "ProtocolId", "rsvd.svhdx_protocol_id", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_protocol_version, { "ProtocolVersion", "rsvd.svhdx_protocol_version", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_operation_code, { "OperationCode", "rsvd.svhdx_operation_code", FT_UINT32, BASE_HEX, VALS(rsvd_operation_code_vals), 0, "Operation Code", HFILL }}, { &hf_svhdx_status, { "Status", "rsvd.svhdx_status", FT_UINT32, BASE_HEX | BASE_EXT_STRING, &NT_errors_ext, 0, NULL, HFILL }}, { &hf_svhdx_request_id, { "RequestId", "rsvd.svhdx_request_id", FT_UINT64, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_length, { "Length", "rsvd.svhdx_length", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_reserved1, { "Reserved1", "rsvd.svhdx_scsi_reserved1", FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_cdb_length, { "CDBLength", "rsvd.svhdx_scsi_cdb_length", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_sense_info_ex_length, { "SenseInfoExLength", "rsvd.svhdx_scsi_sense_info_ex_length", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_data_in, { "DataIn", "rsvd.svhdx_scsi_data_in", FT_UINT8, BASE_HEX, VALS(rsvd_data_in_vals), 0, "SCSI CDB transfer type", HFILL }}, { &hf_svhdx_tunnel_scsi_reserved2, { "Reserved2", "rsvd.svhdx_scsi_reserved2", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_srb_flags, { "SRBFlags", "rsvd.svhdx_scsi_srbflags", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_data_transfer_length, { "DataTransferLength", "rsvd.svhdx_scsi_data_transfer_length", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_reserved3, { "Reserved3", "rsvd.svhdx_scsi_reserved3", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_cdb, { "CDB", "rsvd.svhdx_scsi_cdb", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_cdb_padding, { "CDBPadding", "rsvd.svhdx_scsi_cdb_padding", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_data, {"Data", "rsvd.svhdx_scsi_data", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_auto_generated_sense, {"AutoGeneratedSenseInfo", "rsvd.svhdx_auto_generated_sense_info", FT_UINT8, BASE_HEX, VALS(rsvd_sense_info_vals), 0x80, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_srb_status, { "SrbStatus", "rsvd.svhdx_srb_status", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_status, { "ScsiStatus", "rsvd.svhdx_scsi_status", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_scsi_sense_data_ex, { "SenseDataEx", "rsvd.svhdx_scsi_sense_data_ex", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_file_info_server_version, { "ServerVersion", "rsvd.svhdx_file_info_server_version", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_file_info_sector_size, { "SectorSize", "rsvd.svhdx_file_info_sector_size", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_file_info_physical_sector_size, { "PhysicalSectorSize", "rsvd.svhdx_file_info_physical_sector_size", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_file_info_reserved, { "Reserved", "rsvd.svhdx_file_info_reserved", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_file_info_virtual_size, { "VirtualSize", "rsvd.svhdx_file_info_virtual_size", FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_disk_info_reserved1, { "Reserved1", "rsvd.svhdx_disk_info_reserved1", FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_disk_info_blocksize, { "BlockSize", "rsvd.svhdx_disk_info_blocksize", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_disk_info_linkage_id, { "LinkageID", "rsvd.svhdx_disk_info_linkage_id", FT_GUID, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_disk_info_disk_type, { "DiskType", "rsvd.svhdx_disk_info_disk_type", FT_UINT32, BASE_HEX, VALS(rsvd_disk_type_vals), 0, "Disk Type", HFILL }}, { &hf_svhdx_tunnel_disk_info_disk_format, { "DiskFormat", "rsvd.svhdx_disk_info_disk_format", FT_UINT32, BASE_HEX, VALS(rsvd_disk_format_vals), 0, "Disk Format", HFILL }}, { &hf_svhdx_tunnel_disk_info_is_mounted, { "IsMounted", "rsvd.svhdx_tunnel_disk_info_is_mounted", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_disk_info_is_4k_aligned, { "Is4KAligned", "rsvd.svhdx_tunnel_disk_info_is_4k_aligned", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_disk_info_reserved, { "Reserved", "rsvd.svhdx_disk_info_reserved", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_disk_info_file_size, { "FileSize", "rsvd.svhdx_disk_info_file_size", FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_disk_info_virtual_disk_id, { "VirtualDiskId", "rsvd.svhdx_disk_info_virtual_disk_id", FT_GUID, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_validate_disk_reserved, { "Reserved", "rsvd.svhdx_tunnel_validate_disk_reserved", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_validate_disk_is_valid_disk, { "IsValidDisk", "rsvd.svhdx_validate_disk_is_valid_disk", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_srb_status_status_key, { "StatusKey", "rsvd.svhdx_srb_status_key", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_srb_status_reserved, { "Reserved", "rsvd.svhdx_srb_status_reserved", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_srb_status_sense_info_auto_generated, { "SenseInfoAutoGenerated", "rsvd.svhdx_sense_info_auto_generated", FT_UINT8, BASE_HEX, VALS(rsvd_sense_info_vals), 0x80, NULL, HFILL }}, { &hf_svhdx_tunnel_srb_status_srb_status, { "SrbStatus", "rsvd.svhdx_srb_status_srb_status", FT_UINT8, BASE_HEX, NULL, 0x7f, NULL, HFILL }}, { &hf_svhdx_tunnel_srb_status_scsi_status, { "SrbStatus", "rsvd.svhdx_srb_status_scsi_status", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_srb_status_sense_info_ex_length, { "SenseInfoExLength", "rsvd.svhdx_srb_status_sense_info_ex_length", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_srb_status_sense_data_ex, { "Reserved", "rsvd.svhdx_srb_status_sense_data_ex", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_safe_virtual_size, { "SafeVirtualSize", "rsvd.svhdx_safe_size", FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_transaction_id, { "TransactionId", "rsvd.svhdx_meta_operation.transaction_id", FT_GUID, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_meta_operation_type, { "OperationType", "rsvd.svhdx_meta_operation.type", FT_UINT32, BASE_HEX, VALS(rsvd_meta_operation_type_vals), 0, "Type of meta-operation", HFILL }}, { &hf_svhdx_tunnel_padding, { "Padding", "rsvd.svhdx_padding", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_resize_new_size, { "NewSize", "rsvd.svhdx_meta_operation.new_size", FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_resize_expand_only_flag, { "ExpandOnly", "rsvd.svhdx_meta_operation.expand_only", FT_BOOLEAN, BASE_NONE, NULL, 0, "Indicates that shared virtual disk size can only expand", HFILL }}, { &hf_svhdx_tunnel_resize_allow_unsafe_virt_size_flag, { "AllowUnsafeVirtualSize", "rsvd.svhdx_meta_operation.allow_unsafe_virt_size", FT_BOOLEAN, BASE_NONE, NULL, 0, "Indicates that the shared virtual disk size can be less than the data it currently contains", HFILL }}, { &hf_svhdx_tunnel_resize_shrink_to_minimum_safe_size_flag, { "ShrinkToMinimumSafeSize", "rsvd.svhdx_meta_operation.shrink_to_minimum_safe_size", FT_BOOLEAN, BASE_NONE, NULL, 0, "Indicates that the shared virtual disk size can be shrunk to the data it currently contains", HFILL }}, { &hf_svhdx_tunnel_meta_operation_start_reserved, { "Reserved", "rsvd.svhdx_meta_operation.reserved", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_snapshot_type, { "SnapshotType", "rsvd.svhdx_snapshot_type", FT_UINT32, BASE_HEX, VALS(svhdx_snapshot_type_vals), 0, "Type of snapshot", HFILL }}, { &hf_svhdx_tunnel_snapshot_id, { "SnapshotId", "rsvd.svhdx_snapshot_id", FT_GUID, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_create_snapshot_flags, { "Flags", "rsvd.svhdx_meta_operation.create_snapshot_flags", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_create_snapshot_flag_enable_change_tracking, { "SVHDX_SNAPSHOT_DISK_FLAG_ENABLE_CHANGE_TRACKING", "rsvd.svhdx_meta_operation.create_snapshot_flag_enable_change_tracking", FT_BOOLEAN, 32, NULL, SVHDX_SNAPSHOT_DISK_FLAG_ENABLE_CHANGE_TRACKING, "Change tracking to be enabled when snapshot is taken", HFILL }}, { &hf_svhdx_tunnel_create_snapshot_stage1, { "Stage1", "rsvd.svhdx_meta_operation.create_snapshot_stage1", FT_UINT32, BASE_HEX, VALS(svhdx_snapshot_stage_vals), 0, "The first stage", HFILL }}, { &hf_svhdx_tunnel_create_snapshot_stage2, { "Stage2", "rsvd.svhdx_meta_operation.create_snapshot_stage2", FT_UINT32, BASE_HEX, VALS(svhdx_snapshot_stage_vals), 0, "The second stage", HFILL }}, { &hf_svhdx_tunnel_create_snapshot_stage3, { "Stage3", "rsvd.svhdx_meta_operation.create_snapshot_stage3", FT_UINT32, BASE_HEX, VALS(svhdx_snapshot_stage_vals), 0, "The third stage", HFILL }}, { &hf_svhdx_tunnel_create_snapshot_stage4, { "Stage4", "rsvd.svhdx_meta_operation.create_snapshot_stage4", FT_UINT32, BASE_HEX, VALS(svhdx_snapshot_stage_vals), 0, "The fourth stage", HFILL }}, { &hf_svhdx_tunnel_create_snapshot_stage5, { "Stage5", "rsvd.svhdx_meta_operation.create_snapshot_stage5", FT_UINT32, BASE_HEX, VALS(svhdx_snapshot_stage_vals), 0, "The fifth stage", HFILL }}, { &hf_svhdx_tunnel_create_snapshot_stage6, { "Stage6", "rsvd.svhdx_meta_operation.create_snapshot_stage6", FT_UINT32, BASE_HEX, VALS(svhdx_snapshot_stage_vals), 0, "The sixth stage", HFILL }}, { &hf_svhdx_tunnel_create_snapshot_parameters_payload_size, { "ParametersPayloadSize", "rsvd.svhdx_meta_operation.create_snapshot_params_payload_size", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_convert_dst_vhdset_name_len, { "DestinationVhdSetNameLength", "rsvd.svhdx_meta_operation.dst_vhdset_name_len", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_convert_dst_vhdset_name, { "DestinationVhdSetName", "rsvd.svhdx_meta_operation.dst_vhdset_name", FT_STRING, BASE_NONE, NULL, 0, "Name for the new VHD set be created", HFILL }}, { &hf_svhdx_tunnel_delete_snapshot_persist_reference, { "PersistReference", "rsvd.svhdx_delete_snapshot_persist_reference", FT_BOOLEAN, BASE_NONE, NULL, 0, "Indicate if the snapshot needs to be persisted", HFILL }}, { &hf_svhdx_tunnel_meta_op_query_progress_current_progress, { "CurrentProgressValue", "rsvd.svhdx_query_progress.current_progress", FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_meta_op_query_progress_complete_value, { "CompleteValue", "rsvd.svhdx_query_progress.complete_value", FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_vhdset_information_type, { "VHDSetInformationType", "rsvd.svhdx_vhdset_information_type", FT_UINT32, BASE_HEX, VALS(svhdx_vhdset_information_type_vals), 0, "The information type requested", HFILL }}, { &hf_svhdx_tunnel_vhdset_snapshot_creation_time, { "SnapshotCreationTime", "rsvd.svhdx_vhdset_snapshot_creation_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "Time when this object was created", HFILL }}, { &hf_svhdx_tunnel_vhdset_is_valid_snapshot, { "IsValidSnapshot", "rsvd.svhdx_vhdset_is_valid_snapshot", FT_BOOLEAN, BASE_NONE, NULL, 0, "Set to 1 when the snapshot is valid", HFILL }}, { &hf_svhdx_tunnel_vhdset_parent_snapshot_id, { "ParentSnapshotId", "rsvd.svhdx_vhdxset_parent_snapshot_id", FT_GUID, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_svhdx_tunnel_vhdset_log_file_id, { "LogFileId", "rsvd.svhdx_vhdxset_log_file_id", FT_GUID, BASE_NONE, NULL, 0, NULL, HFILL }} }; static int *ett[] = { &ett_rsvd, &ett_svhdx_tunnel_op_header, &ett_svhdx_tunnel_scsi_request, &ett_rsvd_create_snapshot_flags }; proto_rsvd = proto_register_protocol("Remote Shared Virtual Disk", "RSVD", "rsvd"); register_dissector("rsvd", dissect_rsvd, proto_rsvd); proto_register_field_array(proto_rsvd, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * vi: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */