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fsctl: FSP_FSCTL_FILE_INFO and related changes

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This commit is contained in:
Bill Zissimopoulos
2016-01-22 23:00:25 -08:00
parent 2afa957feb
commit af36418f43
7 changed files with 117 additions and 134 deletions
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28
inc/winfsp/fsctl.h
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@ -43,6 +43,20 @@ extern const __declspec(selectany) GUID FspFsvrtDeviceClassGuid =
#define FSP_FSCTL_TRANSACT_REQ_SIZEMAX (4096 - 64) /* 64: size for internal request header */
#define FSP_FSCTL_TRANSACT_RSP_SIZEMAX (4096 - 64) /* symmetry! */
/* file metadata */
typedef struct
{
UINT32 FileAttributes;
UINT32 ReparseTag;
UINT64 AllocationSize;
UINT64 FileSize;
UINT64 CreationTime;
UINT64 LastAccessTime;
UINT64 LastWriteTime;
UINT64 ChangeTime;
UINT64 IndexNumber;
} FSP_FSCTL_FILE_INFO;
/* marshalling */
#pragma warning(push)
#pragma warning(disable:4200) /* zero-sized array in struct/union */
@ -166,17 +180,8 @@ typedef struct
{
UINT64 UserContext; /* user context associated with file node */
UINT64 UserContext2; /* user context associated with file descriptor (handle) */
UINT32 FileAttributes; /* file attributes of opened file */
UINT32 ReparseTag; /* reparse tag of opened file (FILE_ATTRIBUTE_REPARSE_POINT) */
UINT64 AllocationSize; /* file allocation size */
UINT64 FileSize; /* file size */
UINT64 CreationTime;
UINT64 LastAccessTime;
UINT64 LastWriteTime;
UINT64 ChangeTime;
UINT64 IndexNumber; /* unique file id */
UINT32 GrantedAccess; /* FILE_{READ_DATA,WRITE_DATA,etc.} */
FSP_FSCTL_FILE_INFO FileInfo;
} Opened;
/* IoStatus.Status == STATUS_REPARSE */
struct
@ -186,8 +191,7 @@ typedef struct
} Create;
struct
{
UINT64 AllocationSize; /* file allocation size */
UINT64 FileSize; /* file size */
FSP_FSCTL_FILE_INFO FileInfo;
} Overwrite;
} Rsp;
FSP_FSCTL_DECLSPEC_ALIGN UINT8 Buffer[];

42
inc/winfsp/winfsp.h
View File

@ -31,42 +31,24 @@ extern "C" {
typedef struct _FSP_FILE_SYSTEM FSP_FILE_SYSTEM;
typedef VOID FSP_FILE_SYSTEM_DISPATCHER(FSP_FILE_SYSTEM *, FSP_FSCTL_TRANSACT_REQ *);
typedef NTSTATUS FSP_FILE_SYSTEM_OPERATION(FSP_FILE_SYSTEM *, FSP_FSCTL_TRANSACT_REQ *);
typedef struct _FSP_FILE_NODE_INFO
{
PVOID FileNode;
DWORD FileAttributes;
DWORD ReparseTag;
UINT64 AllocationSize;
UINT64 FileSize;
UINT64 CreationTime;
UINT64 LastAccessTime;
UINT64 LastWriteTime;
UINT64 ChangeTime;
UINT64 IndexNumber;
} FSP_FILE_NODE_INFO;
typedef struct _FSP_FILE_SIZE_INFO
{
UINT64 AllocationSize;
UINT64 FileSize;
} FSP_FILE_SIZE_INFO;
typedef struct _FSP_FILE_SYSTEM_INTERFACE
{
NTSTATUS (*GetSecurity)(FSP_FILE_SYSTEM *FileSystem,
PWSTR FileName, PDWORD PFileAttributes,
PWSTR FileName, PUINT32 PFileAttributes,
PSECURITY_DESCRIPTOR SecurityDescriptor, SIZE_T *PSecurityDescriptorSize);
NTSTATUS (*Create)(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PWSTR FileName, BOOLEAN CaseSensitive, DWORD CreateOptions,
DWORD FileAttributes, PSECURITY_DESCRIPTOR SecurityDescriptor, UINT64 AllocationSize,
FSP_FILE_NODE_INFO *NodeInfo);
PWSTR FileName, BOOLEAN CaseSensitive, UINT32 CreateOptions,
UINT32 FileAttributes, PSECURITY_DESCRIPTOR SecurityDescriptor, UINT64 AllocationSize,
PVOID *PFileNode, FSP_FSCTL_FILE_INFO *FileInfo);
NTSTATUS (*Open)(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PWSTR FileName, BOOLEAN CaseSensitive, DWORD CreateOptions,
FSP_FILE_NODE_INFO *NodeInfo);
PWSTR FileName, BOOLEAN CaseSensitive, UINT32 CreateOptions,
PVOID *PFileNode, FSP_FSCTL_FILE_INFO *FileInfo);
NTSTATUS (*Overwrite)(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, DWORD FileAttributes, BOOLEAN ReplaceFileAttributes,
FSP_FILE_SIZE_INFO *SizeInfo);
PVOID FileNode, UINT32 FileAttributes, BOOLEAN ReplaceFileAttributes,
FSP_FSCTL_FILE_INFO *FileInfo);
VOID (*Cleanup)(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, BOOLEAN Delete);
@ -160,7 +142,7 @@ FSP_API PGENERIC_MAPPING FspGetFileGenericMapping(VOID);
FSP_API NTSTATUS FspAccessCheckEx(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
BOOLEAN CheckParentDirectory, BOOLEAN AllowTraverseCheck,
DWORD DesiredAccess, PDWORD PGrantedAccess,
UINT32 DesiredAccess, PUINT32 PGrantedAccess,
PSECURITY_DESCRIPTOR *PSecurityDescriptor);
FSP_API NTSTATUS FspAssignSecurity(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
@ -178,10 +160,10 @@ FSP_API NTSTATUS FspFileSystemOpClose(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request);
FSP_API NTSTATUS FspFileSystemSendCreateResponse(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, UINT_PTR Information,
const FSP_FILE_NODE_INFO *NodeInfo, DWORD GrantedAccess);
PVOID FileNode, UINT32 GrantedAccess, const FSP_FSCTL_FILE_INFO *FileInfo);
FSP_API NTSTATUS FspFileSystemSendOverwriteResponse(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
const FSP_FILE_SIZE_INFO *SizeInfo);
const FSP_FSCTL_FILE_INFO *FileInfo);
FSP_API NTSTATUS FspFileSystemSendCleanupResponse(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request);
FSP_API NTSTATUS FspFileSystemSendCloseResponse(FSP_FILE_SYSTEM *FileSystem,
@ -191,7 +173,7 @@ static inline
NTSTATUS FspAccessCheck(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
BOOLEAN CheckParentDirectory, BOOLEAN AllowTraverseCheck,
DWORD DesiredAccess, PDWORD PGrantedAccess)
UINT32 DesiredAccess, PUINT32 PGrantedAccess)
{
return FspAccessCheckEx(FileSystem, Request,
CheckParentDirectory, AllowTraverseCheck,