1051 lines
28 KiB
C
1051 lines
28 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2016 Namjae Jeon <linkinjeon@kernel.org>
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* Copyright (C) 2018 Samsung Electronics Co., Ltd.
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*/
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#ifndef _SMB2PDU_H
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#define _SMB2PDU_H
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#include "ntlmssp.h"
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#include "smbacl.h"
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/*Create Action Flags*/
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#define FILE_SUPERSEDED 0x00000000
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#define FILE_OPENED 0x00000001
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#define FILE_CREATED 0x00000002
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#define FILE_OVERWRITTEN 0x00000003
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/*
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* Size of the session key (crypto key encrypted with the password
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*/
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#define SMB2_NTLMV2_SESSKEY_SIZE 16
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#define SMB2_SIGNATURE_SIZE 16
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#define SMB2_HMACSHA256_SIZE 32
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#define SMB2_CMACAES_SIZE 16
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#define SMB3_GCM128_CRYPTKEY_SIZE 16
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#define SMB3_GCM256_CRYPTKEY_SIZE 32
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/*
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* Size of the smb3 encryption/decryption keys
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*/
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#define SMB3_ENC_DEC_KEY_SIZE 32
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/*
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* Size of the smb3 signing key
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*/
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#define SMB3_SIGN_KEY_SIZE 16
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#define CIFS_CLIENT_CHALLENGE_SIZE 8
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#define SMB_SERVER_CHALLENGE_SIZE 8
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/* SMB2 Max Credits */
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#define SMB2_MAX_CREDITS 8192
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/* Maximum buffer size value we can send with 1 credit */
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#define SMB2_MAX_BUFFER_SIZE 65536
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#define NUMBER_OF_SMB2_COMMANDS 0x0013
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/* BB FIXME - analyze following length BB */
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#define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */
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#define SMB21_DEFAULT_IOSIZE (1024 * 1024)
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#define SMB3_DEFAULT_IOSIZE (4 * 1024 * 1024)
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#define SMB3_DEFAULT_TRANS_SIZE (1024 * 1024)
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#define SMB3_MIN_IOSIZE (64 * 1024)
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#define SMB3_MAX_IOSIZE (8 * 1024 * 1024)
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/*
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* Definitions for SMB2 Protocol Data Units (network frames)
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*
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* See MS-SMB2.PDF specification for protocol details.
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* The Naming convention is the lower case version of the SMB2
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* command code name for the struct. Note that structures must be packed.
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*
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*/
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#define SMB2_ERROR_STRUCTURE_SIZE2 9
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#define SMB2_ERROR_STRUCTURE_SIZE2_LE cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2)
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struct smb2_err_rsp {
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struct smb2_hdr hdr;
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__le16 StructureSize;
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__u8 ErrorContextCount;
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__u8 Reserved;
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__le32 ByteCount; /* even if zero, at least one byte follows */
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__u8 ErrorData[1]; /* variable length */
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} __packed;
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struct preauth_integrity_info {
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/* PreAuth integrity Hash ID */
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__le16 Preauth_HashId;
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/* PreAuth integrity Hash Value */
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__u8 Preauth_HashValue[SMB2_PREAUTH_HASH_SIZE];
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};
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/* offset is sizeof smb2_negotiate_rsp but rounded up to 8 bytes. */
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#ifdef CONFIG_SMB_SERVER_KERBEROS5
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/* sizeof(struct smb2_negotiate_rsp) =
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* header(64) + response(64) + GSS_LENGTH(96) + GSS_PADDING(0)
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*/
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#define OFFSET_OF_NEG_CONTEXT 0xe0
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#else
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/* sizeof(struct smb2_negotiate_rsp) =
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* header(64) + response(64) + GSS_LENGTH(74) + GSS_PADDING(6)
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*/
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#define OFFSET_OF_NEG_CONTEXT 0xd0
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#endif
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#define SMB2_SESSION_EXPIRED (0)
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#define SMB2_SESSION_IN_PROGRESS BIT(0)
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#define SMB2_SESSION_VALID BIT(1)
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struct create_durable_req_v2 {
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struct create_context ccontext;
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__u8 Name[8];
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__le32 Timeout;
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__le32 Flags;
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__u8 Reserved[8];
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__u8 CreateGuid[16];
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} __packed;
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struct create_durable_reconn_req {
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struct create_context ccontext;
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__u8 Name[8];
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union {
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__u8 Reserved[16];
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struct {
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__le64 PersistentFileId;
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__le64 VolatileFileId;
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} Fid;
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} Data;
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} __packed;
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struct create_durable_reconn_v2_req {
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struct create_context ccontext;
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__u8 Name[8];
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struct {
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__le64 PersistentFileId;
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__le64 VolatileFileId;
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} Fid;
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__u8 CreateGuid[16];
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__le32 Flags;
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} __packed;
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struct create_app_inst_id {
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struct create_context ccontext;
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__u8 Name[8];
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__u8 Reserved[8];
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__u8 AppInstanceId[16];
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} __packed;
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struct create_app_inst_id_vers {
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struct create_context ccontext;
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__u8 Name[8];
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__u8 Reserved[2];
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__u8 Padding[4];
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__le64 AppInstanceVersionHigh;
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__le64 AppInstanceVersionLow;
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} __packed;
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struct create_mxac_req {
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struct create_context ccontext;
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__u8 Name[8];
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__le64 Timestamp;
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} __packed;
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struct create_alloc_size_req {
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struct create_context ccontext;
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__u8 Name[8];
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__le64 AllocationSize;
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} __packed;
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struct create_posix {
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struct create_context ccontext;
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__u8 Name[16];
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__le32 Mode;
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__u32 Reserved;
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} __packed;
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struct create_durable_rsp {
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struct create_context ccontext;
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__u8 Name[8];
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union {
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__u8 Reserved[8];
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__u64 data;
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} Data;
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} __packed;
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struct create_durable_v2_rsp {
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struct create_context ccontext;
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__u8 Name[8];
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__le32 Timeout;
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__le32 Flags;
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} __packed;
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struct create_mxac_rsp {
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struct create_context ccontext;
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__u8 Name[8];
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__le32 QueryStatus;
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__le32 MaximalAccess;
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} __packed;
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struct create_disk_id_rsp {
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struct create_context ccontext;
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__u8 Name[8];
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__le64 DiskFileId;
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__le64 VolumeId;
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__u8 Reserved[16];
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} __packed;
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/* equivalent of the contents of SMB3.1.1 POSIX open context response */
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struct create_posix_rsp {
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struct create_context ccontext;
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__u8 Name[16];
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__le32 nlink;
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__le32 reparse_tag;
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__le32 mode;
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u8 SidBuffer[40];
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} __packed;
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#define SMB2_LEASE_NONE_LE cpu_to_le32(0x00)
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#define SMB2_LEASE_READ_CACHING_LE cpu_to_le32(0x01)
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#define SMB2_LEASE_HANDLE_CACHING_LE cpu_to_le32(0x02)
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#define SMB2_LEASE_WRITE_CACHING_LE cpu_to_le32(0x04)
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#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02)
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#define SMB2_LEASE_KEY_SIZE 16
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struct lease_context {
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__u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
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__le32 LeaseState;
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__le32 LeaseFlags;
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__le64 LeaseDuration;
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} __packed;
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struct lease_context_v2 {
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__u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
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__le32 LeaseState;
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__le32 LeaseFlags;
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__le64 LeaseDuration;
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__u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE];
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__le16 Epoch;
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__le16 Reserved;
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} __packed;
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struct create_lease {
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struct create_context ccontext;
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__u8 Name[8];
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struct lease_context lcontext;
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} __packed;
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struct create_lease_v2 {
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struct create_context ccontext;
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__u8 Name[8];
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struct lease_context_v2 lcontext;
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__u8 Pad[4];
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} __packed;
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struct smb2_buffer_desc_v1 {
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__le64 offset;
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__le32 token;
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__le32 length;
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} __packed;
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#define SMB2_0_IOCTL_IS_FSCTL 0x00000001
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struct duplicate_extents_to_file {
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__u64 PersistentFileHandle; /* source file handle, opaque endianness */
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__u64 VolatileFileHandle;
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__le64 SourceFileOffset;
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__le64 TargetFileOffset;
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__le64 ByteCount; /* Bytes to be copied */
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} __packed;
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struct smb2_ioctl_req {
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struct smb2_hdr hdr;
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__le16 StructureSize; /* Must be 57 */
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__le16 Reserved; /* offset from start of SMB2 header to write data */
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__le32 CntCode;
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__le64 PersistentFileId;
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__le64 VolatileFileId;
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__le32 InputOffset; /* Reserved MBZ */
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__le32 InputCount;
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__le32 MaxInputResponse;
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__le32 OutputOffset;
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__le32 OutputCount;
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__le32 MaxOutputResponse;
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__le32 Flags;
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__le32 Reserved2;
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__u8 Buffer[1];
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} __packed;
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struct smb2_ioctl_rsp {
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struct smb2_hdr hdr;
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__le16 StructureSize; /* Must be 49 */
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__le16 Reserved; /* offset from start of SMB2 header to write data */
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__le32 CntCode;
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__le64 PersistentFileId;
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__le64 VolatileFileId;
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__le32 InputOffset; /* Reserved MBZ */
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__le32 InputCount;
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__le32 OutputOffset;
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__le32 OutputCount;
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__le32 Flags;
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__le32 Reserved2;
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__u8 Buffer[1];
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} __packed;
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struct validate_negotiate_info_req {
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__le32 Capabilities;
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__u8 Guid[SMB2_CLIENT_GUID_SIZE];
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__le16 SecurityMode;
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__le16 DialectCount;
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__le16 Dialects[1]; /* dialect (someday maybe list) client asked for */
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} __packed;
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struct validate_negotiate_info_rsp {
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__le32 Capabilities;
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__u8 Guid[SMB2_CLIENT_GUID_SIZE];
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__le16 SecurityMode;
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__le16 Dialect; /* Dialect in use for the connection */
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} __packed;
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struct smb_sockaddr_in {
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__be16 Port;
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__be32 IPv4address;
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__u8 Reserved[8];
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} __packed;
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struct smb_sockaddr_in6 {
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__be16 Port;
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__be32 FlowInfo;
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__u8 IPv6address[16];
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__be32 ScopeId;
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} __packed;
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#define INTERNETWORK 0x0002
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#define INTERNETWORKV6 0x0017
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struct sockaddr_storage_rsp {
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__le16 Family;
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union {
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struct smb_sockaddr_in addr4;
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struct smb_sockaddr_in6 addr6;
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};
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} __packed;
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#define RSS_CAPABLE 0x00000001
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#define RDMA_CAPABLE 0x00000002
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struct network_interface_info_ioctl_rsp {
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__le32 Next; /* next interface. zero if this is last one */
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__le32 IfIndex;
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__le32 Capability; /* RSS or RDMA Capable */
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__le32 Reserved;
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__le64 LinkSpeed;
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char SockAddr_Storage[128];
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} __packed;
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struct file_object_buf_type1_ioctl_rsp {
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__u8 ObjectId[16];
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__u8 BirthVolumeId[16];
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__u8 BirthObjectId[16];
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__u8 DomainId[16];
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} __packed;
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struct resume_key_ioctl_rsp {
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__le64 ResumeKey[3];
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__le32 ContextLength;
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__u8 Context[4]; /* ignored, Windows sets to 4 bytes of zero */
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} __packed;
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struct copychunk_ioctl_req {
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__le64 ResumeKey[3];
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__le32 ChunkCount;
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__le32 Reserved;
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__u8 Chunks[1]; /* array of srv_copychunk */
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} __packed;
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struct srv_copychunk {
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__le64 SourceOffset;
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__le64 TargetOffset;
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__le32 Length;
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__le32 Reserved;
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} __packed;
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struct copychunk_ioctl_rsp {
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__le32 ChunksWritten;
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__le32 ChunkBytesWritten;
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__le32 TotalBytesWritten;
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} __packed;
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struct file_sparse {
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__u8 SetSparse;
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} __packed;
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struct file_zero_data_information {
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__le64 FileOffset;
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__le64 BeyondFinalZero;
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} __packed;
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struct file_allocated_range_buffer {
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__le64 file_offset;
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__le64 length;
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} __packed;
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struct reparse_data_buffer {
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__le32 ReparseTag;
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__le16 ReparseDataLength;
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__u16 Reserved;
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__u8 DataBuffer[]; /* Variable Length */
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} __packed;
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/* SMB2 Notify Action Flags */
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#define FILE_ACTION_ADDED 0x00000001
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#define FILE_ACTION_REMOVED 0x00000002
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#define FILE_ACTION_MODIFIED 0x00000003
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#define FILE_ACTION_RENAMED_OLD_NAME 0x00000004
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#define FILE_ACTION_RENAMED_NEW_NAME 0x00000005
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#define FILE_ACTION_ADDED_STREAM 0x00000006
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#define FILE_ACTION_REMOVED_STREAM 0x00000007
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#define FILE_ACTION_MODIFIED_STREAM 0x00000008
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#define FILE_ACTION_REMOVED_BY_DELETE 0x00000009
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#define SMB2_LOCKFLAG_SHARED 0x0001
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#define SMB2_LOCKFLAG_EXCLUSIVE 0x0002
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#define SMB2_LOCKFLAG_UNLOCK 0x0004
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#define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010
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#define SMB2_LOCKFLAG_MASK 0x0007
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struct smb2_lock_element {
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__le64 Offset;
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__le64 Length;
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__le32 Flags;
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__le32 Reserved;
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} __packed;
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struct smb2_lock_req {
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struct smb2_hdr hdr;
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__le16 StructureSize; /* Must be 48 */
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__le16 LockCount;
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__le32 Reserved;
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__le64 PersistentFileId;
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__le64 VolatileFileId;
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/* Followed by at least one */
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struct smb2_lock_element locks[1];
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} __packed;
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struct smb2_lock_rsp {
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struct smb2_hdr hdr;
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__le16 StructureSize; /* Must be 4 */
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__le16 Reserved;
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} __packed;
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struct smb2_echo_req {
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struct smb2_hdr hdr;
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__le16 StructureSize; /* Must be 4 */
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__u16 Reserved;
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} __packed;
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struct smb2_echo_rsp {
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struct smb2_hdr hdr;
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__le16 StructureSize; /* Must be 4 */
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__u16 Reserved;
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} __packed;
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/* search (query_directory) Flags field */
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#define SMB2_RESTART_SCANS 0x01
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#define SMB2_RETURN_SINGLE_ENTRY 0x02
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#define SMB2_INDEX_SPECIFIED 0x04
|
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#define SMB2_REOPEN 0x10
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struct smb2_query_directory_req {
|
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struct smb2_hdr hdr;
|
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__le16 StructureSize; /* Must be 33 */
|
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__u8 FileInformationClass;
|
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__u8 Flags;
|
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__le32 FileIndex;
|
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__le64 PersistentFileId;
|
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__le64 VolatileFileId;
|
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__le16 FileNameOffset;
|
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__le16 FileNameLength;
|
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__le32 OutputBufferLength;
|
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__u8 Buffer[1];
|
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} __packed;
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struct smb2_query_directory_rsp {
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struct smb2_hdr hdr;
|
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__le16 StructureSize; /* Must be 9 */
|
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__le16 OutputBufferOffset;
|
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__le32 OutputBufferLength;
|
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__u8 Buffer[1];
|
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} __packed;
|
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|
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/* Possible InfoType values */
|
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#define SMB2_O_INFO_FILE 0x01
|
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#define SMB2_O_INFO_FILESYSTEM 0x02
|
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#define SMB2_O_INFO_SECURITY 0x03
|
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#define SMB2_O_INFO_QUOTA 0x04
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|
|
/* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
|
|
#define OWNER_SECINFO 0x00000001
|
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#define GROUP_SECINFO 0x00000002
|
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#define DACL_SECINFO 0x00000004
|
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#define SACL_SECINFO 0x00000008
|
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#define LABEL_SECINFO 0x00000010
|
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#define ATTRIBUTE_SECINFO 0x00000020
|
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#define SCOPE_SECINFO 0x00000040
|
|
#define BACKUP_SECINFO 0x00010000
|
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#define UNPROTECTED_SACL_SECINFO 0x10000000
|
|
#define UNPROTECTED_DACL_SECINFO 0x20000000
|
|
#define PROTECTED_SACL_SECINFO 0x40000000
|
|
#define PROTECTED_DACL_SECINFO 0x80000000
|
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|
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struct smb2_query_info_req {
|
|
struct smb2_hdr hdr;
|
|
__le16 StructureSize; /* Must be 41 */
|
|
__u8 InfoType;
|
|
__u8 FileInfoClass;
|
|
__le32 OutputBufferLength;
|
|
__le16 InputBufferOffset;
|
|
__u16 Reserved;
|
|
__le32 InputBufferLength;
|
|
__le32 AdditionalInformation;
|
|
__le32 Flags;
|
|
__le64 PersistentFileId;
|
|
__le64 VolatileFileId;
|
|
__u8 Buffer[1];
|
|
} __packed;
|
|
|
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struct smb2_query_info_rsp {
|
|
struct smb2_hdr hdr;
|
|
__le16 StructureSize; /* Must be 9 */
|
|
__le16 OutputBufferOffset;
|
|
__le32 OutputBufferLength;
|
|
__u8 Buffer[1];
|
|
} __packed;
|
|
|
|
struct smb2_set_info_req {
|
|
struct smb2_hdr hdr;
|
|
__le16 StructureSize; /* Must be 33 */
|
|
__u8 InfoType;
|
|
__u8 FileInfoClass;
|
|
__le32 BufferLength;
|
|
__le16 BufferOffset;
|
|
__u16 Reserved;
|
|
__le32 AdditionalInformation;
|
|
__le64 PersistentFileId;
|
|
__le64 VolatileFileId;
|
|
__u8 Buffer[1];
|
|
} __packed;
|
|
|
|
struct smb2_set_info_rsp {
|
|
struct smb2_hdr hdr;
|
|
__le16 StructureSize; /* Must be 2 */
|
|
} __packed;
|
|
|
|
/* FILE Info response size */
|
|
#define FILE_DIRECTORY_INFORMATION_SIZE 1
|
|
#define FILE_FULL_DIRECTORY_INFORMATION_SIZE 2
|
|
#define FILE_BOTH_DIRECTORY_INFORMATION_SIZE 3
|
|
#define FILE_BASIC_INFORMATION_SIZE 40
|
|
#define FILE_STANDARD_INFORMATION_SIZE 24
|
|
#define FILE_INTERNAL_INFORMATION_SIZE 8
|
|
#define FILE_EA_INFORMATION_SIZE 4
|
|
#define FILE_ACCESS_INFORMATION_SIZE 4
|
|
#define FILE_NAME_INFORMATION_SIZE 9
|
|
#define FILE_RENAME_INFORMATION_SIZE 10
|
|
#define FILE_LINK_INFORMATION_SIZE 11
|
|
#define FILE_NAMES_INFORMATION_SIZE 12
|
|
#define FILE_DISPOSITION_INFORMATION_SIZE 13
|
|
#define FILE_POSITION_INFORMATION_SIZE 14
|
|
#define FILE_FULL_EA_INFORMATION_SIZE 15
|
|
#define FILE_MODE_INFORMATION_SIZE 4
|
|
#define FILE_ALIGNMENT_INFORMATION_SIZE 4
|
|
#define FILE_ALL_INFORMATION_SIZE 104
|
|
#define FILE_ALLOCATION_INFORMATION_SIZE 19
|
|
#define FILE_END_OF_FILE_INFORMATION_SIZE 20
|
|
#define FILE_ALTERNATE_NAME_INFORMATION_SIZE 8
|
|
#define FILE_STREAM_INFORMATION_SIZE 32
|
|
#define FILE_PIPE_INFORMATION_SIZE 23
|
|
#define FILE_PIPE_LOCAL_INFORMATION_SIZE 24
|
|
#define FILE_PIPE_REMOTE_INFORMATION_SIZE 25
|
|
#define FILE_MAILSLOT_QUERY_INFORMATION_SIZE 26
|
|
#define FILE_MAILSLOT_SET_INFORMATION_SIZE 27
|
|
#define FILE_COMPRESSION_INFORMATION_SIZE 16
|
|
#define FILE_OBJECT_ID_INFORMATION_SIZE 29
|
|
/* Number 30 not defined in documents */
|
|
#define FILE_MOVE_CLUSTER_INFORMATION_SIZE 31
|
|
#define FILE_QUOTA_INFORMATION_SIZE 32
|
|
#define FILE_REPARSE_POINT_INFORMATION_SIZE 33
|
|
#define FILE_NETWORK_OPEN_INFORMATION_SIZE 56
|
|
#define FILE_ATTRIBUTE_TAG_INFORMATION_SIZE 8
|
|
|
|
/* FS Info response size */
|
|
#define FS_DEVICE_INFORMATION_SIZE 8
|
|
#define FS_ATTRIBUTE_INFORMATION_SIZE 16
|
|
#define FS_VOLUME_INFORMATION_SIZE 24
|
|
#define FS_SIZE_INFORMATION_SIZE 24
|
|
#define FS_FULL_SIZE_INFORMATION_SIZE 32
|
|
#define FS_SECTOR_SIZE_INFORMATION_SIZE 28
|
|
#define FS_OBJECT_ID_INFORMATION_SIZE 64
|
|
#define FS_CONTROL_INFORMATION_SIZE 48
|
|
#define FS_POSIX_INFORMATION_SIZE 56
|
|
|
|
/* FS_ATTRIBUTE_File_System_Name */
|
|
#define FS_TYPE_SUPPORT_SIZE 44
|
|
struct fs_type_info {
|
|
char *fs_name;
|
|
long magic_number;
|
|
} __packed;
|
|
|
|
struct smb2_oplock_break {
|
|
struct smb2_hdr hdr;
|
|
__le16 StructureSize; /* Must be 24 */
|
|
__u8 OplockLevel;
|
|
__u8 Reserved;
|
|
__le32 Reserved2;
|
|
__le64 PersistentFid;
|
|
__le64 VolatileFid;
|
|
} __packed;
|
|
|
|
#define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
|
|
|
|
struct smb2_lease_break {
|
|
struct smb2_hdr hdr;
|
|
__le16 StructureSize; /* Must be 44 */
|
|
__le16 Epoch;
|
|
__le32 Flags;
|
|
__u8 LeaseKey[16];
|
|
__le32 CurrentLeaseState;
|
|
__le32 NewLeaseState;
|
|
__le32 BreakReason;
|
|
__le32 AccessMaskHint;
|
|
__le32 ShareMaskHint;
|
|
} __packed;
|
|
|
|
struct smb2_lease_ack {
|
|
struct smb2_hdr hdr;
|
|
__le16 StructureSize; /* Must be 36 */
|
|
__le16 Reserved;
|
|
__le32 Flags;
|
|
__u8 LeaseKey[16];
|
|
__le32 LeaseState;
|
|
__le64 LeaseDuration;
|
|
} __packed;
|
|
|
|
/*
|
|
* PDU infolevel structure definitions
|
|
* BB consider moving to a different header
|
|
*/
|
|
|
|
/* File System Information Classes */
|
|
#define FS_VOLUME_INFORMATION 1 /* Query */
|
|
#define FS_LABEL_INFORMATION 2 /* Set */
|
|
#define FS_SIZE_INFORMATION 3 /* Query */
|
|
#define FS_DEVICE_INFORMATION 4 /* Query */
|
|
#define FS_ATTRIBUTE_INFORMATION 5 /* Query */
|
|
#define FS_CONTROL_INFORMATION 6 /* Query, Set */
|
|
#define FS_FULL_SIZE_INFORMATION 7 /* Query */
|
|
#define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */
|
|
#define FS_DRIVER_PATH_INFORMATION 9 /* Query */
|
|
#define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */
|
|
#define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */
|
|
|
|
struct smb2_fs_full_size_info {
|
|
__le64 TotalAllocationUnits;
|
|
__le64 CallerAvailableAllocationUnits;
|
|
__le64 ActualAvailableAllocationUnits;
|
|
__le32 SectorsPerAllocationUnit;
|
|
__le32 BytesPerSector;
|
|
} __packed;
|
|
|
|
#define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001
|
|
#define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
|
|
#define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004
|
|
#define SSINFO_FLAGS_TRIM_ENABLED 0x00000008
|
|
|
|
/* sector size info struct */
|
|
struct smb3_fs_ss_info {
|
|
__le32 LogicalBytesPerSector;
|
|
__le32 PhysicalBytesPerSectorForAtomicity;
|
|
__le32 PhysicalBytesPerSectorForPerf;
|
|
__le32 FSEffPhysicalBytesPerSectorForAtomicity;
|
|
__le32 Flags;
|
|
__le32 ByteOffsetForSectorAlignment;
|
|
__le32 ByteOffsetForPartitionAlignment;
|
|
} __packed;
|
|
|
|
/* File System Control Information */
|
|
struct smb2_fs_control_info {
|
|
__le64 FreeSpaceStartFiltering;
|
|
__le64 FreeSpaceThreshold;
|
|
__le64 FreeSpaceStopFiltering;
|
|
__le64 DefaultQuotaThreshold;
|
|
__le64 DefaultQuotaLimit;
|
|
__le32 FileSystemControlFlags;
|
|
__le32 Padding;
|
|
} __packed;
|
|
|
|
/* partial list of QUERY INFO levels */
|
|
#define FILE_DIRECTORY_INFORMATION 1
|
|
#define FILE_FULL_DIRECTORY_INFORMATION 2
|
|
#define FILE_BOTH_DIRECTORY_INFORMATION 3
|
|
#define FILE_BASIC_INFORMATION 4
|
|
#define FILE_STANDARD_INFORMATION 5
|
|
#define FILE_INTERNAL_INFORMATION 6
|
|
#define FILE_EA_INFORMATION 7
|
|
#define FILE_ACCESS_INFORMATION 8
|
|
#define FILE_NAME_INFORMATION 9
|
|
#define FILE_RENAME_INFORMATION 10
|
|
#define FILE_LINK_INFORMATION 11
|
|
#define FILE_NAMES_INFORMATION 12
|
|
#define FILE_DISPOSITION_INFORMATION 13
|
|
#define FILE_POSITION_INFORMATION 14
|
|
#define FILE_FULL_EA_INFORMATION 15
|
|
#define FILE_MODE_INFORMATION 16
|
|
#define FILE_ALIGNMENT_INFORMATION 17
|
|
#define FILE_ALL_INFORMATION 18
|
|
#define FILE_ALLOCATION_INFORMATION 19
|
|
#define FILE_END_OF_FILE_INFORMATION 20
|
|
#define FILE_ALTERNATE_NAME_INFORMATION 21
|
|
#define FILE_STREAM_INFORMATION 22
|
|
#define FILE_PIPE_INFORMATION 23
|
|
#define FILE_PIPE_LOCAL_INFORMATION 24
|
|
#define FILE_PIPE_REMOTE_INFORMATION 25
|
|
#define FILE_MAILSLOT_QUERY_INFORMATION 26
|
|
#define FILE_MAILSLOT_SET_INFORMATION 27
|
|
#define FILE_COMPRESSION_INFORMATION 28
|
|
#define FILE_OBJECT_ID_INFORMATION 29
|
|
/* Number 30 not defined in documents */
|
|
#define FILE_MOVE_CLUSTER_INFORMATION 31
|
|
#define FILE_QUOTA_INFORMATION 32
|
|
#define FILE_REPARSE_POINT_INFORMATION 33
|
|
#define FILE_NETWORK_OPEN_INFORMATION 34
|
|
#define FILE_ATTRIBUTE_TAG_INFORMATION 35
|
|
#define FILE_TRACKING_INFORMATION 36
|
|
#define FILEID_BOTH_DIRECTORY_INFORMATION 37
|
|
#define FILEID_FULL_DIRECTORY_INFORMATION 38
|
|
#define FILE_VALID_DATA_LENGTH_INFORMATION 39
|
|
#define FILE_SHORT_NAME_INFORMATION 40
|
|
#define FILE_SFIO_RESERVE_INFORMATION 44
|
|
#define FILE_SFIO_VOLUME_INFORMATION 45
|
|
#define FILE_HARD_LINK_INFORMATION 46
|
|
#define FILE_NORMALIZED_NAME_INFORMATION 48
|
|
#define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
|
|
#define FILE_STANDARD_LINK_INFORMATION 54
|
|
|
|
#define OP_BREAK_STRUCT_SIZE_20 24
|
|
#define OP_BREAK_STRUCT_SIZE_21 36
|
|
|
|
struct smb2_file_access_info {
|
|
__le32 AccessFlags;
|
|
} __packed;
|
|
|
|
struct smb2_file_alignment_info {
|
|
__le32 AlignmentRequirement;
|
|
} __packed;
|
|
|
|
struct smb2_file_internal_info {
|
|
__le64 IndexNumber;
|
|
} __packed; /* level 6 Query */
|
|
|
|
struct smb2_file_rename_info { /* encoding of request for level 10 */
|
|
__u8 ReplaceIfExists; /* 1 = replace existing target with new */
|
|
/* 0 = fail if target already exists */
|
|
__u8 Reserved[7];
|
|
__u64 RootDirectory; /* MBZ for network operations (why says spec?) */
|
|
__le32 FileNameLength;
|
|
char FileName[0]; /* New name to be assigned */
|
|
} __packed; /* level 10 Set */
|
|
|
|
struct smb2_file_link_info { /* encoding of request for level 11 */
|
|
__u8 ReplaceIfExists; /* 1 = replace existing link with new */
|
|
/* 0 = fail if link already exists */
|
|
__u8 Reserved[7];
|
|
__u64 RootDirectory; /* MBZ for network operations (why says spec?) */
|
|
__le32 FileNameLength;
|
|
char FileName[0]; /* Name to be assigned to new link */
|
|
} __packed; /* level 11 Set */
|
|
|
|
/*
|
|
* This level 18, although with struct with same name is different from cifs
|
|
* level 0x107. Level 0x107 has an extra u64 between AccessFlags and
|
|
* CurrentByteOffset.
|
|
*/
|
|
struct smb2_file_all_info { /* data block encoding of response to level 18 */
|
|
__le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */
|
|
__le64 LastAccessTime;
|
|
__le64 LastWriteTime;
|
|
__le64 ChangeTime;
|
|
__le32 Attributes;
|
|
__u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */
|
|
__le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */
|
|
__le64 EndOfFile; /* size ie offset to first free byte in file */
|
|
__le32 NumberOfLinks; /* hard links */
|
|
__u8 DeletePending;
|
|
__u8 Directory;
|
|
__u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */
|
|
__le64 IndexNumber;
|
|
__le32 EASize;
|
|
__le32 AccessFlags;
|
|
__le64 CurrentByteOffset;
|
|
__le32 Mode;
|
|
__le32 AlignmentRequirement;
|
|
__le32 FileNameLength;
|
|
char FileName[1];
|
|
} __packed; /* level 18 Query */
|
|
|
|
struct smb2_file_basic_info { /* data block encoding of response to level 18 */
|
|
__le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */
|
|
__le64 LastAccessTime;
|
|
__le64 LastWriteTime;
|
|
__le64 ChangeTime;
|
|
__le32 Attributes;
|
|
__u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */
|
|
} __packed;
|
|
|
|
struct smb2_file_alt_name_info {
|
|
__le32 FileNameLength;
|
|
char FileName[0];
|
|
} __packed;
|
|
|
|
struct smb2_file_stream_info {
|
|
__le32 NextEntryOffset;
|
|
__le32 StreamNameLength;
|
|
__le64 StreamSize;
|
|
__le64 StreamAllocationSize;
|
|
char StreamName[0];
|
|
} __packed;
|
|
|
|
struct smb2_file_eof_info { /* encoding of request for level 10 */
|
|
__le64 EndOfFile; /* new end of file value */
|
|
} __packed; /* level 20 Set */
|
|
|
|
struct smb2_file_ntwrk_info {
|
|
__le64 CreationTime;
|
|
__le64 LastAccessTime;
|
|
__le64 LastWriteTime;
|
|
__le64 ChangeTime;
|
|
__le64 AllocationSize;
|
|
__le64 EndOfFile;
|
|
__le32 Attributes;
|
|
__le32 Reserved;
|
|
} __packed;
|
|
|
|
struct smb2_file_standard_info {
|
|
__le64 AllocationSize;
|
|
__le64 EndOfFile;
|
|
__le32 NumberOfLinks; /* hard links */
|
|
__u8 DeletePending;
|
|
__u8 Directory;
|
|
__le16 Reserved;
|
|
} __packed; /* level 18 Query */
|
|
|
|
struct smb2_file_ea_info {
|
|
__le32 EASize;
|
|
} __packed;
|
|
|
|
struct smb2_file_alloc_info {
|
|
__le64 AllocationSize;
|
|
} __packed;
|
|
|
|
struct smb2_file_disposition_info {
|
|
__u8 DeletePending;
|
|
} __packed;
|
|
|
|
struct smb2_file_pos_info {
|
|
__le64 CurrentByteOffset;
|
|
} __packed;
|
|
|
|
#define FILE_MODE_INFO_MASK cpu_to_le32(0x0000100e)
|
|
|
|
struct smb2_file_mode_info {
|
|
__le32 Mode;
|
|
} __packed;
|
|
|
|
#define COMPRESSION_FORMAT_NONE 0x0000
|
|
#define COMPRESSION_FORMAT_LZNT1 0x0002
|
|
|
|
struct smb2_file_comp_info {
|
|
__le64 CompressedFileSize;
|
|
__le16 CompressionFormat;
|
|
__u8 CompressionUnitShift;
|
|
__u8 ChunkShift;
|
|
__u8 ClusterShift;
|
|
__u8 Reserved[3];
|
|
} __packed;
|
|
|
|
struct smb2_file_attr_tag_info {
|
|
__le32 FileAttributes;
|
|
__le32 ReparseTag;
|
|
} __packed;
|
|
|
|
#define SL_RESTART_SCAN 0x00000001
|
|
#define SL_RETURN_SINGLE_ENTRY 0x00000002
|
|
#define SL_INDEX_SPECIFIED 0x00000004
|
|
|
|
struct smb2_ea_info_req {
|
|
__le32 NextEntryOffset;
|
|
__u8 EaNameLength;
|
|
char name[1];
|
|
} __packed; /* level 15 Query */
|
|
|
|
struct smb2_ea_info {
|
|
__le32 NextEntryOffset;
|
|
__u8 Flags;
|
|
__u8 EaNameLength;
|
|
__le16 EaValueLength;
|
|
char name[1];
|
|
/* optionally followed by value */
|
|
} __packed; /* level 15 Query */
|
|
|
|
struct create_ea_buf_req {
|
|
struct create_context ccontext;
|
|
__u8 Name[8];
|
|
struct smb2_ea_info ea;
|
|
} __packed;
|
|
|
|
struct create_sd_buf_req {
|
|
struct create_context ccontext;
|
|
__u8 Name[8];
|
|
struct smb_ntsd ntsd;
|
|
} __packed;
|
|
|
|
/* Find File infolevels */
|
|
#define SMB_FIND_FILE_POSIX_INFO 0x064
|
|
|
|
/* Level 100 query info */
|
|
struct smb311_posix_qinfo {
|
|
__le64 CreationTime;
|
|
__le64 LastAccessTime;
|
|
__le64 LastWriteTime;
|
|
__le64 ChangeTime;
|
|
__le64 EndOfFile;
|
|
__le64 AllocationSize;
|
|
__le32 DosAttributes;
|
|
__le64 Inode;
|
|
__le32 DeviceId;
|
|
__le32 Zero;
|
|
/* beginning of POSIX Create Context Response */
|
|
__le32 HardLinks;
|
|
__le32 ReparseTag;
|
|
__le32 Mode;
|
|
u8 Sids[];
|
|
/*
|
|
* var sized owner SID
|
|
* var sized group SID
|
|
* le32 filenamelength
|
|
* u8 filename[]
|
|
*/
|
|
} __packed;
|
|
|
|
struct smb2_posix_info {
|
|
__le32 NextEntryOffset;
|
|
__u32 Ignored;
|
|
__le64 CreationTime;
|
|
__le64 LastAccessTime;
|
|
__le64 LastWriteTime;
|
|
__le64 ChangeTime;
|
|
__le64 EndOfFile;
|
|
__le64 AllocationSize;
|
|
__le32 DosAttributes;
|
|
__le64 Inode;
|
|
__le32 DeviceId;
|
|
__le32 Zero;
|
|
/* beginning of POSIX Create Context Response */
|
|
__le32 HardLinks;
|
|
__le32 ReparseTag;
|
|
__le32 Mode;
|
|
u8 SidBuffer[40];
|
|
__le32 name_len;
|
|
u8 name[1];
|
|
/*
|
|
* var sized owner SID
|
|
* var sized group SID
|
|
* le32 filenamelength
|
|
* u8 filename[]
|
|
*/
|
|
} __packed;
|
|
|
|
/* functions */
|
|
void init_smb2_1_server(struct ksmbd_conn *conn);
|
|
void init_smb3_0_server(struct ksmbd_conn *conn);
|
|
void init_smb3_02_server(struct ksmbd_conn *conn);
|
|
int init_smb3_11_server(struct ksmbd_conn *conn);
|
|
|
|
void init_smb2_max_read_size(unsigned int sz);
|
|
void init_smb2_max_write_size(unsigned int sz);
|
|
void init_smb2_max_trans_size(unsigned int sz);
|
|
|
|
bool is_smb2_neg_cmd(struct ksmbd_work *work);
|
|
bool is_smb2_rsp(struct ksmbd_work *work);
|
|
|
|
u16 get_smb2_cmd_val(struct ksmbd_work *work);
|
|
void set_smb2_rsp_status(struct ksmbd_work *work, __le32 err);
|
|
int init_smb2_rsp_hdr(struct ksmbd_work *work);
|
|
int smb2_allocate_rsp_buf(struct ksmbd_work *work);
|
|
bool is_chained_smb2_message(struct ksmbd_work *work);
|
|
int init_smb2_neg_rsp(struct ksmbd_work *work);
|
|
void smb2_set_err_rsp(struct ksmbd_work *work);
|
|
int smb2_check_user_session(struct ksmbd_work *work);
|
|
int smb2_get_ksmbd_tcon(struct ksmbd_work *work);
|
|
bool smb2_is_sign_req(struct ksmbd_work *work, unsigned int command);
|
|
int smb2_check_sign_req(struct ksmbd_work *work);
|
|
void smb2_set_sign_rsp(struct ksmbd_work *work);
|
|
int smb3_check_sign_req(struct ksmbd_work *work);
|
|
void smb3_set_sign_rsp(struct ksmbd_work *work);
|
|
int find_matching_smb2_dialect(int start_index, __le16 *cli_dialects,
|
|
__le16 dialects_count);
|
|
struct file_lock *smb_flock_init(struct file *f);
|
|
int setup_async_work(struct ksmbd_work *work, void (*fn)(void **),
|
|
void **arg);
|
|
void smb2_send_interim_resp(struct ksmbd_work *work, __le32 status);
|
|
struct channel *lookup_chann_list(struct ksmbd_session *sess,
|
|
struct ksmbd_conn *conn);
|
|
void smb3_preauth_hash_rsp(struct ksmbd_work *work);
|
|
bool smb3_is_transform_hdr(void *buf);
|
|
int smb3_decrypt_req(struct ksmbd_work *work);
|
|
int smb3_encrypt_resp(struct ksmbd_work *work);
|
|
bool smb3_11_final_sess_setup_resp(struct ksmbd_work *work);
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int smb2_set_rsp_credits(struct ksmbd_work *work);
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/* smb2 misc functions */
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int ksmbd_smb2_check_message(struct ksmbd_work *work);
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/* smb2 command handlers */
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int smb2_handle_negotiate(struct ksmbd_work *work);
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int smb2_negotiate_request(struct ksmbd_work *work);
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int smb2_sess_setup(struct ksmbd_work *work);
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int smb2_tree_connect(struct ksmbd_work *work);
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int smb2_tree_disconnect(struct ksmbd_work *work);
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int smb2_session_logoff(struct ksmbd_work *work);
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int smb2_open(struct ksmbd_work *work);
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int smb2_query_info(struct ksmbd_work *work);
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int smb2_query_dir(struct ksmbd_work *work);
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int smb2_close(struct ksmbd_work *work);
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int smb2_echo(struct ksmbd_work *work);
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int smb2_set_info(struct ksmbd_work *work);
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int smb2_read(struct ksmbd_work *work);
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int smb2_write(struct ksmbd_work *work);
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int smb2_flush(struct ksmbd_work *work);
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int smb2_cancel(struct ksmbd_work *work);
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int smb2_lock(struct ksmbd_work *work);
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int smb2_ioctl(struct ksmbd_work *work);
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int smb2_oplock_break(struct ksmbd_work *work);
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int smb2_notify(struct ksmbd_work *ksmbd_work);
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/*
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* Get the body of the smb2 message excluding the 4 byte rfc1002 headers
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* from request/response buffer.
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*/
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static inline void *smb2_get_msg(void *buf)
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{
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return buf + 4;
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}
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#endif /* _SMB2PDU_H */
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