cifspdu.h

Linux内核自带的cifs模块

	__u32 Reserved;
	__le16 WriteMode;
	__le16 Remaining;
	__le16 DataLengthHigh;
	__le16 DataLengthLow;
	__le16 DataOffset;
	__le32 OffsetHigh;
	__le16 ByteCount;
	__u8 Pad;		/* BB check for whether padded to DWORD
				   boundary and optimum performance here */
	char Data[0];
} __attribute__((packed)) WRITE_REQ;

typedef struct smb_com_write_rsp {
	struct smb_hdr hdr;	/* wct = 6 */
	__u8 AndXCommand;
	__u8 AndXReserved;
	__le16 AndXOffset;
	__le16 Count;
	__le16 Remaining;
	__le16 CountHigh;
	__u16  Reserved;
	__u16 ByteCount;
} __attribute__((packed)) WRITE_RSP;

/* legacy read request for older servers */
typedef struct smb_com_readx_req {
	struct smb_hdr hdr;	/* wct = 10 */
	__u8 AndXCommand;
	__u8 AndXReserved;
	__le16 AndXOffset;
	__u16 Fid;
	__le32 OffsetLow;
	__le16 MaxCount;
	__le16 MinCount;	/* obsolete */
	__le32 Reserved;
	__le16 Remaining;
	__le16 ByteCount;
} __attribute__((packed)) READX_REQ;

typedef struct smb_com_read_req {
	struct smb_hdr hdr;	/* wct = 12 */
	__u8 AndXCommand;
	__u8 AndXReserved;
	__le16 AndXOffset;
	__u16 Fid;
	__le32 OffsetLow;
	__le16 MaxCount;
	__le16 MinCount;		/* obsolete */
	__le32 MaxCountHigh;
	__le16 Remaining;
	__le32 OffsetHigh;
	__le16 ByteCount;
} __attribute__((packed)) READ_REQ;

typedef struct smb_com_read_rsp {
	struct smb_hdr hdr;	/* wct = 12 */
	__u8 AndXCommand;
	__u8 AndXReserved;
	__le16 AndXOffset;
	__le16 Remaining;
	__le16 DataCompactionMode;
	__le16 Reserved;
	__le16 DataLength;
	__le16 DataOffset;
	__le16 DataLengthHigh;
	__u64 Reserved2;
	__u16 ByteCount;
	__u8 Pad;		/* BB check for whether padded to DWORD
				   boundary and optimum performance here */
	char Data[1];
} __attribute__((packed)) READ_RSP;

typedef struct locking_andx_range {
	__le16 Pid;
	__le16 Pad;
	__le32 OffsetHigh;
	__le32 OffsetLow;
	__le32 LengthHigh;
	__le32 LengthLow;
} __attribute__((packed)) LOCKING_ANDX_RANGE;

#define LOCKING_ANDX_SHARED_LOCK     0x01
#define LOCKING_ANDX_OPLOCK_RELEASE  0x02
#define LOCKING_ANDX_CHANGE_LOCKTYPE 0x04
#define LOCKING_ANDX_CANCEL_LOCK     0x08
#define LOCKING_ANDX_LARGE_FILES     0x10	/* always on for us */

typedef struct smb_com_lock_req {
	struct smb_hdr hdr;	/* wct = 8 */
	__u8 AndXCommand;
	__u8 AndXReserved;
	__le16 AndXOffset;
	__u16 Fid;
	__u8 LockType;
	__u8 OplockLevel;
	__le32 Timeout;
	__le16 NumberOfUnlocks;
	__le16 NumberOfLocks;
	__le16 ByteCount;
	LOCKING_ANDX_RANGE Locks[1];
} __attribute__((packed)) LOCK_REQ;

/* lock type */
#define CIFS_RDLCK	0
#define CIFS_WRLCK	1
#define CIFS_UNLCK      2
typedef struct cifs_posix_lock {
	__le16  lock_type;  /* 0 = Read, 1 = Write, 2 = Unlock */
	__le16  lock_flags; /* 1 = Wait (only valid for setlock) */
	__le32  pid;
	__le64	start;
	__le64	length;
	/* BB what about additional owner info to identify network client */
} __attribute__((packed)) CIFS_POSIX_LOCK;

typedef struct smb_com_lock_rsp {
	struct smb_hdr hdr;	/* wct = 2 */
	__u8 AndXCommand;
	__u8 AndXReserved;
	__le16 AndXOffset;
	__u16 ByteCount;
} __attribute__((packed)) LOCK_RSP;

typedef struct smb_com_rename_req {
	struct smb_hdr hdr;	/* wct = 1 */
	__le16 SearchAttributes;	/* target file attributes */
	__le16 ByteCount;
	__u8 BufferFormat;	/* 4 = ASCII or Unicode */
	unsigned char OldFileName[1];
	/* followed by __u8 BufferFormat2 */
	/* followed by NewFileName */
} __attribute__((packed)) RENAME_REQ;

	/* copy request flags */
#define COPY_MUST_BE_FILE      0x0001
#define COPY_MUST_BE_DIR       0x0002
#define COPY_TARGET_MODE_ASCII 0x0004 /* if not set, binary */
#define COPY_SOURCE_MODE_ASCII 0x0008 /* if not set, binary */
#define COPY_VERIFY_WRITES     0x0010
#define COPY_TREE              0x0020

typedef struct smb_com_copy_req {
	struct smb_hdr hdr;	/* wct = 3 */
	__u16 Tid2;
	__le16 OpenFunction;
	__le16 Flags;
	__le16 ByteCount;
	__u8 BufferFormat;	/* 4 = ASCII or Unicode */
	unsigned char OldFileName[1];
	/* followed by __u8 BufferFormat2 */
	/* followed by NewFileName string */
} __attribute__((packed)) COPY_REQ;

typedef struct smb_com_copy_rsp {
	struct smb_hdr hdr;     /* wct = 1 */
	__le16 CopyCount;    /* number of files copied */
	__u16 ByteCount;    /* may be zero */
	__u8 BufferFormat;  /* 0x04 - only present if errored file follows */
	unsigned char ErrorFileName[1]; /* only present if error in copy */
} __attribute__((packed)) COPY_RSP;

#define CREATE_HARD_LINK		0x103
#define MOVEFILE_COPY_ALLOWED		0x0002
#define MOVEFILE_REPLACE_EXISTING	0x0001

typedef struct smb_com_nt_rename_req {	/* A5 - also used for create hardlink */
	struct smb_hdr hdr;	/* wct = 4 */
	__le16 SearchAttributes;	/* target file attributes */
	__le16 Flags;		/* spec says Information Level */
	__le32 ClusterCount;
	__le16 ByteCount;
	__u8 BufferFormat;	/* 4 = ASCII or Unicode */
	unsigned char OldFileName[1];
	/* followed by __u8 BufferFormat2 */
	/* followed by NewFileName */
} __attribute__((packed)) NT_RENAME_REQ;

typedef struct smb_com_rename_rsp {
	struct smb_hdr hdr;	/* wct = 0 */
	__u16 ByteCount;	/* bct = 0 */
} __attribute__((packed)) RENAME_RSP;

typedef struct smb_com_delete_file_req {
	struct smb_hdr hdr;	/* wct = 1 */
	__le16 SearchAttributes;
	__le16 ByteCount;
	__u8 BufferFormat;	/* 4 = ASCII */
	unsigned char fileName[1];
} __attribute__((packed)) DELETE_FILE_REQ;

typedef struct smb_com_delete_file_rsp {
	struct smb_hdr hdr;	/* wct = 0 */
	__u16 ByteCount;	/* bct = 0 */
} __attribute__((packed)) DELETE_FILE_RSP;

typedef struct smb_com_delete_directory_req {
	struct smb_hdr hdr;	/* wct = 0 */
	__le16 ByteCount;
	__u8 BufferFormat;	/* 4 = ASCII */
	unsigned char DirName[1];
} __attribute__((packed)) DELETE_DIRECTORY_REQ;

typedef struct smb_com_delete_directory_rsp {
	struct smb_hdr hdr;	/* wct = 0 */
	__u16 ByteCount;	/* bct = 0 */
} __attribute__((packed)) DELETE_DIRECTORY_RSP;

typedef struct smb_com_create_directory_req {
	struct smb_hdr hdr;	/* wct = 0 */
	__le16 ByteCount;
	__u8 BufferFormat;	/* 4 = ASCII */
	unsigned char DirName[1];
} __attribute__((packed)) CREATE_DIRECTORY_REQ;

typedef struct smb_com_create_directory_rsp {
	struct smb_hdr hdr;	/* wct = 0 */
	__u16 ByteCount;	/* bct = 0 */
} __attribute__((packed)) CREATE_DIRECTORY_RSP;

typedef struct smb_com_query_information_req {
	struct smb_hdr hdr;     /* wct = 0 */
	__le16 ByteCount;	/* 1 + namelen + 1 */
	__u8 BufferFormat;      /* 4 = ASCII */
	unsigned char FileName[1];
} __attribute__((packed)) QUERY_INFORMATION_REQ;

typedef struct smb_com_query_information_rsp {
	struct smb_hdr hdr;     /* wct = 10 */
	__le16 attr;
	__le32  last_write_time;
	__le32 size;
	__u16  reserved[5];
	__le16 ByteCount;	/* bcc = 0 */
} __attribute__((packed)) QUERY_INFORMATION_RSP;

typedef struct smb_com_setattr_req {
	struct smb_hdr hdr; /* wct = 8 */
	__le16 attr;
	__le16 time_low;
	__le16 time_high;
	__le16 reserved[5]; /* must be zero */
	__u16  ByteCount;
	__u8   BufferFormat; /* 4 = ASCII */
	unsigned char fileName[1];
} __attribute__((packed)) SETATTR_REQ;

typedef struct smb_com_setattr_rsp {
	struct smb_hdr hdr;     /* wct = 0 */
	__u16 ByteCount;        /* bct = 0 */
} __attribute__((packed)) SETATTR_RSP;

/* empty wct response to setattr */

/*******************************************************/
/* NT Transact structure defintions follow             */
/* Currently only ioctl, acl (get security descriptor) */
/* and notify are implemented                          */
/*******************************************************/
typedef struct smb_com_ntransact_req {
	struct smb_hdr hdr; /* wct >= 19 */
	__u8 MaxSetupCount;
	__u16 Reserved;
	__le32 TotalParameterCount;
	__le32 TotalDataCount;
	__le32 MaxParameterCount;
	__le32 MaxDataCount;
	__le32 ParameterCount;
	__le32 ParameterOffset;
	__le32 DataCount;
	__le32 DataOffset;
	__u8 SetupCount; /* four setup words follow subcommand */
	/* SNIA spec incorrectly included spurious pad here */
	__le16 SubCommand; /* 2 = IOCTL/FSCTL */
	/* SetupCount words follow then */
	__le16 ByteCount;
	__u8 Pad[3];
	__u8 Parms[0];
} __attribute__((packed)) NTRANSACT_REQ;

typedef struct smb_com_ntransact_rsp {
	struct smb_hdr hdr;     /* wct = 18 */
	__u8 Reserved[3];
	__le32 TotalParameterCount;
	__le32 TotalDataCount;
	__le32 ParameterCount;
	__le32 ParameterOffset;
	__le32 ParameterDisplacement;
	__le32 DataCount;
	__le32 DataOffset;
	__le32 DataDisplacement;
	__u8 SetupCount;   /* 0 */
	__u16 ByteCount;
	/* __u8 Pad[3]; */
	/* parms and data follow */
} __attribute__((packed)) NTRANSACT_RSP;

typedef struct smb_com_transaction_ioctl_req {
	struct smb_hdr hdr;	/* wct = 23 */
	__u8 MaxSetupCount;
	__u16 Reserved;
	__le32 TotalParameterCount;
	__le32 TotalDataCount;
	__le32 MaxParameterCount;
	__le32 MaxDataCount;
	__le32 ParameterCount;
	__le32 ParameterOffset;
	__le32 DataCount;
	__le32 DataOffset;
	__u8 SetupCount; /* four setup words follow subcommand */
	/* SNIA spec incorrectly included spurious pad here */
	__le16 SubCommand; /* 2 = IOCTL/FSCTL */
	__le32 FunctionCode;
	__u16 Fid;
	__u8 IsFsctl;  /* 1 = File System Control 0 = device control (IOCTL) */
	__u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */
	__le16 ByteCount;
	__u8 Pad[3];
	__u8 Data[1];
} __attribute__((packed)) TRANSACT_IOCTL_REQ;

typedef struct smb_com_transaction_ioctl_rsp {
	struct smb_hdr hdr;	/* wct = 19 */
	__u8 Reserved[3];
	__le32 TotalParameterCount;
	__le32 TotalDataCount;
	__le32 ParameterCount;
	__le32 ParameterOffset;
	__le32 ParameterDisplacement;
	__le32 DataCount;
	__le32 DataOffset;
	__le32 DataDisplacement;
	__u8 SetupCount;	/* 1 */
	__le16 ReturnedDataLen;
	__u16 ByteCount;
} __attribute__((packed)) TRANSACT_IOCTL_RSP;

#define CIFS_ACL_OWNER 1
#define CIFS_ACL_GROUP 2
#define CIFS_ACL_DACL  4
#define CIFS_ACL_SACL  8

typedef struct smb_com_transaction_qsec_req {
	struct smb_hdr hdr;     /* wct = 19 */
	__u8 MaxSetupCount;
	__u16 Reserved;
	__le32 TotalParameterCount;
	__le32 TotalDataCount;
	__le32 MaxParameterCount;
	__le32 MaxDataCount;
	__le32 ParameterCount;
	__le32 ParameterOffset;
	__le32 DataCount;
	__le32 DataOffset;
	__u8 SetupCount; /* no setup words follow subcommand */
	/* SNIA spec incorrectly included spurious pad here */
	__le16 SubCommand; /* 6 = QUERY_SECURITY_DESC */
	__le16 ByteCount; /* bcc = 3 + 8 */
	__u8 Pad[3];
	__u16 Fid;
	__u16 Reserved2;
	__le32 AclFlags;
} __attribute__((packed)) QUERY_SEC_DESC_REQ;

typedef struct smb_com_transaction_change_notify_req {
	struct smb_hdr hdr;     /* wct = 23 */
	__u8 MaxSetupCount;
	__u16 Reserved;
	__le32 TotalParameterCount;
	__le32 TotalDataCount;
	__le32 MaxParameterCount;
	__le32 MaxDataCount;
	__le32 ParameterCount;
	__le32 ParameterOffset;
	__le32 DataCount;
	__le32 DataOffset;
	__u8 SetupCount; /* four setup words follow subcommand */
	/* SNIA spec incorrectly included spurious pad here */
	__le16 SubCommand;/* 4 = Change Notify */
	__le32 CompletionFilter;  /* operation to monitor */
	__u16 Fid;
	__u8 WatchTree;  /* 1 = Monitor subdirectories */
	__u8 Reserved2;
	__le16 ByteCount;
/* 	__u8 Pad[3];*/
/*	__u8 Data[1];*/
} __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_REQ;

/* BB eventually change to use generic ntransact rsp struct
      and validation routine */
typedef struct smb_com_transaction_change_notify_rsp {
	struct smb_hdr hdr;	/* wct = 18 */
	__u8 Reserved[3];
	__le32 TotalParameterCount;
	__le32 TotalDataCount;
	__le32 ParameterCount;
	__le32 ParameterOffset;
	__le32 ParameterDisplacement;
	__le32 DataCount;
	__le32 DataOffset;
	__le32 DataDisplacement;
	__u8 SetupCount;   /* 0 */
	__u16 ByteCount;
	/* __u8 Pad[3]; */
} __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_RSP;
/* Completion Filter flags for Notify */
#define FILE_NOTIFY_CHANGE_FILE_NAME    0x00000001
#define FILE_NOTIFY_CHANGE_DIR_NAME     0x00000002
#define FILE_NOTIFY_CHANGE_NAME         0x00000003
#define FILE_NOTIFY_CHANGE_ATTRIBUTES   0x00000004
#define FILE_NOTIFY_CHANGE_SIZE         0x00000008
#define FILE_NOTIFY_CHANGE_LAST_WRITE   0x00000010
#define FILE_NOTIFY_CHANGE_LAST_ACCESS  0x00000020
#define FILE_NOTIFY_CHANGE_CREATION     0x00000040
#define FILE_NOTIFY_CHANGE_EA           0x00000080
#define FILE_NOTIFY_CHANGE_SECURITY     0x00000100
#define FILE_NOTIFY_CHANGE_STREAM_NAME  0x00000200
#define FILE_NOTIFY_CHANGE_STREAM_SIZE  0x00000400
#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800

#define FILE_ACTION_ADDED		0x00000001
#define FILE_ACTION_REMOVED		0x00000002