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533 lines
14 KiB
533 lines
14 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Copyright (C) 2016 Namjae Jeon <[email protected]> |
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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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/* SMB2 Max Credits */ |
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#define SMB2_MAX_CREDITS 8192 |
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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_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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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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__u64 PersistentFileId; |
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__u64 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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__u64 PersistentFileId; |
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__u64 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_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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/* SidBuffer contain two sids(Domain sid(28), UNIX group sid(16)) */ |
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u8 SidBuffer[44]; |
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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 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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__u64 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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/* FILE Info response size */ |
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#define FILE_DIRECTORY_INFORMATION_SIZE 1 |
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#define FILE_FULL_DIRECTORY_INFORMATION_SIZE 2 |
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#define FILE_BOTH_DIRECTORY_INFORMATION_SIZE 3 |
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#define FILE_BASIC_INFORMATION_SIZE 40 |
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#define FILE_STANDARD_INFORMATION_SIZE 24 |
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#define FILE_INTERNAL_INFORMATION_SIZE 8 |
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#define FILE_EA_INFORMATION_SIZE 4 |
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#define FILE_ACCESS_INFORMATION_SIZE 4 |
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#define FILE_NAME_INFORMATION_SIZE 9 |
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#define FILE_RENAME_INFORMATION_SIZE 10 |
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#define FILE_LINK_INFORMATION_SIZE 11 |
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#define FILE_NAMES_INFORMATION_SIZE 12 |
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#define FILE_DISPOSITION_INFORMATION_SIZE 13 |
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#define FILE_POSITION_INFORMATION_SIZE 14 |
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#define FILE_FULL_EA_INFORMATION_SIZE 15 |
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#define FILE_MODE_INFORMATION_SIZE 4 |
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#define FILE_ALIGNMENT_INFORMATION_SIZE 4 |
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#define FILE_ALL_INFORMATION_SIZE 104 |
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#define FILE_ALLOCATION_INFORMATION_SIZE 19 |
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#define FILE_END_OF_FILE_INFORMATION_SIZE 20 |
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#define FILE_ALTERNATE_NAME_INFORMATION_SIZE 8 |
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#define FILE_STREAM_INFORMATION_SIZE 32 |
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#define FILE_PIPE_INFORMATION_SIZE 23 |
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#define FILE_PIPE_LOCAL_INFORMATION_SIZE 24 |
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#define FILE_PIPE_REMOTE_INFORMATION_SIZE 25 |
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#define FILE_MAILSLOT_QUERY_INFORMATION_SIZE 26 |
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#define FILE_MAILSLOT_SET_INFORMATION_SIZE 27 |
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#define FILE_COMPRESSION_INFORMATION_SIZE 16 |
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#define FILE_OBJECT_ID_INFORMATION_SIZE 29 |
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/* Number 30 not defined in documents */ |
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#define FILE_MOVE_CLUSTER_INFORMATION_SIZE 31 |
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#define FILE_QUOTA_INFORMATION_SIZE 32 |
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#define FILE_REPARSE_POINT_INFORMATION_SIZE 33 |
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#define FILE_NETWORK_OPEN_INFORMATION_SIZE 56 |
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#define FILE_ATTRIBUTE_TAG_INFORMATION_SIZE 8 |
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/* FS Info response size */ |
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#define FS_DEVICE_INFORMATION_SIZE 8 |
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#define FS_ATTRIBUTE_INFORMATION_SIZE 16 |
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#define FS_VOLUME_INFORMATION_SIZE 24 |
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#define FS_SIZE_INFORMATION_SIZE 24 |
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#define FS_FULL_SIZE_INFORMATION_SIZE 32 |
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#define FS_SECTOR_SIZE_INFORMATION_SIZE 28 |
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#define FS_OBJECT_ID_INFORMATION_SIZE 64 |
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#define FS_CONTROL_INFORMATION_SIZE 48 |
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#define FS_POSIX_INFORMATION_SIZE 56 |
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/* FS_ATTRIBUTE_File_System_Name */ |
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#define FS_TYPE_SUPPORT_SIZE 44 |
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struct fs_type_info { |
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char *fs_name; |
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long magic_number; |
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} __packed; |
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/* |
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* PDU query infolevel structure definitions |
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* BB consider moving to a different header |
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*/ |
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struct smb2_file_access_info { |
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__le32 AccessFlags; |
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} __packed; |
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struct smb2_file_alignment_info { |
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__le32 AlignmentRequirement; |
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} __packed; |
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struct smb2_file_basic_info { /* data block encoding of response to level 18 */ |
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__le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ |
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__le64 LastAccessTime; |
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__le64 LastWriteTime; |
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__le64 ChangeTime; |
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__le32 Attributes; |
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__u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ |
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} __packed; |
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struct smb2_file_alt_name_info { |
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__le32 FileNameLength; |
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char FileName[]; |
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} __packed; |
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struct smb2_file_stream_info { |
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__le32 NextEntryOffset; |
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__le32 StreamNameLength; |
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__le64 StreamSize; |
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__le64 StreamAllocationSize; |
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char StreamName[]; |
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} __packed; |
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struct smb2_file_ntwrk_info { |
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__le64 CreationTime; |
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__le64 LastAccessTime; |
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__le64 LastWriteTime; |
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__le64 ChangeTime; |
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__le64 AllocationSize; |
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__le64 EndOfFile; |
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__le32 Attributes; |
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__le32 Reserved; |
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} __packed; |
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struct smb2_file_standard_info { |
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__le64 AllocationSize; |
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__le64 EndOfFile; |
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__le32 NumberOfLinks; /* hard links */ |
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__u8 DeletePending; |
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__u8 Directory; |
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__le16 Reserved; |
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} __packed; /* level 18 Query */ |
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struct smb2_file_ea_info { |
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__le32 EASize; |
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} __packed; |
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struct smb2_file_alloc_info { |
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__le64 AllocationSize; |
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} __packed; |
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struct smb2_file_disposition_info { |
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__u8 DeletePending; |
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} __packed; |
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struct smb2_file_pos_info { |
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__le64 CurrentByteOffset; |
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} __packed; |
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#define FILE_MODE_INFO_MASK cpu_to_le32(0x0000100e) |
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struct smb2_file_mode_info { |
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__le32 Mode; |
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} __packed; |
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#define COMPRESSION_FORMAT_NONE 0x0000 |
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#define COMPRESSION_FORMAT_LZNT1 0x0002 |
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struct smb2_file_comp_info { |
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__le64 CompressedFileSize; |
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__le16 CompressionFormat; |
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__u8 CompressionUnitShift; |
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__u8 ChunkShift; |
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__u8 ClusterShift; |
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__u8 Reserved[3]; |
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} __packed; |
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struct smb2_file_attr_tag_info { |
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__le32 FileAttributes; |
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__le32 ReparseTag; |
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} __packed; |
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#define SL_RESTART_SCAN 0x00000001 |
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#define SL_RETURN_SINGLE_ENTRY 0x00000002 |
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#define SL_INDEX_SPECIFIED 0x00000004 |
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struct smb2_ea_info_req { |
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__le32 NextEntryOffset; |
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__u8 EaNameLength; |
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char name[1]; |
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} __packed; /* level 15 Query */ |
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struct smb2_ea_info { |
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__le32 NextEntryOffset; |
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__u8 Flags; |
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__u8 EaNameLength; |
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__le16 EaValueLength; |
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char name[1]; |
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/* optionally followed by value */ |
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} __packed; /* level 15 Query */ |
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struct create_ea_buf_req { |
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struct create_context ccontext; |
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__u8 Name[8]; |
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struct smb2_ea_info ea; |
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} __packed; |
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struct create_sd_buf_req { |
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struct create_context ccontext; |
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__u8 Name[8]; |
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struct smb_ntsd ntsd; |
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} __packed; |
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struct smb2_posix_info { |
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__le32 NextEntryOffset; |
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__u32 Ignored; |
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__le64 CreationTime; |
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__le64 LastAccessTime; |
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__le64 LastWriteTime; |
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__le64 ChangeTime; |
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__le64 EndOfFile; |
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__le64 AllocationSize; |
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__le32 DosAttributes; |
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__le64 Inode; |
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__le32 DeviceId; |
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__le32 Zero; |
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/* beginning of POSIX Create Context Response */ |
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__le32 HardLinks; |
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__le32 ReparseTag; |
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__le32 Mode; |
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/* SidBuffer contain two sids (UNIX user sid(16), UNIX group sid(16)) */ |
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u8 SidBuffer[32]; |
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__le32 name_len; |
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u8 name[1]; |
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/* |
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* var sized owner SID |
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* var sized group SID |
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* le32 filenamelength |
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* u8 filename[] |
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*/ |
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} __packed; |
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/* functions */ |
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void init_smb2_1_server(struct ksmbd_conn *conn); |
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void init_smb3_0_server(struct ksmbd_conn *conn); |
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void init_smb3_02_server(struct ksmbd_conn *conn); |
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int init_smb3_11_server(struct ksmbd_conn *conn); |
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void init_smb2_max_read_size(unsigned int sz); |
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void init_smb2_max_write_size(unsigned int sz); |
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void init_smb2_max_trans_size(unsigned int sz); |
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void init_smb2_max_credits(unsigned int sz); |
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bool is_smb2_neg_cmd(struct ksmbd_work *work); |
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bool is_smb2_rsp(struct ksmbd_work *work); |
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u16 get_smb2_cmd_val(struct ksmbd_work *work); |
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void set_smb2_rsp_status(struct ksmbd_work *work, __le32 err); |
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int init_smb2_rsp_hdr(struct ksmbd_work *work); |
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int smb2_allocate_rsp_buf(struct ksmbd_work *work); |
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bool is_chained_smb2_message(struct ksmbd_work *work); |
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int init_smb2_neg_rsp(struct ksmbd_work *work); |
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void smb2_set_err_rsp(struct ksmbd_work *work); |
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int smb2_check_user_session(struct ksmbd_work *work); |
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int smb2_get_ksmbd_tcon(struct ksmbd_work *work); |
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bool smb2_is_sign_req(struct ksmbd_work *work, unsigned int command); |
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int smb2_check_sign_req(struct ksmbd_work *work); |
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void smb2_set_sign_rsp(struct ksmbd_work *work); |
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int smb3_check_sign_req(struct ksmbd_work *work); |
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void smb3_set_sign_rsp(struct ksmbd_work *work); |
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int find_matching_smb2_dialect(int start_index, __le16 *cli_dialects, |
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__le16 dialects_count); |
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struct file_lock *smb_flock_init(struct file *f); |
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int setup_async_work(struct ksmbd_work *work, void (*fn)(void **), |
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void **arg); |
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void smb2_send_interim_resp(struct ksmbd_work *work, __le32 status); |
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struct channel *lookup_chann_list(struct ksmbd_session *sess, |
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struct ksmbd_conn *conn); |
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void smb3_preauth_hash_rsp(struct ksmbd_work *work); |
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bool smb3_is_transform_hdr(void *buf); |
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int smb3_decrypt_req(struct ksmbd_work *work); |
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int smb3_encrypt_resp(struct ksmbd_work *work); |
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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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bool smb3_encryption_negotiated(struct ksmbd_conn *conn); |
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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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