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sys: IRP_MJ_CREATE: refactoring to support Overwrite

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This commit is contained in:
Bill Zissimopoulos
2016-01-07 15:42:53 -08:00
parent 9b93df1788
commit 16895a5b68
5 changed files with 343 additions and 133 deletions
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28
inc/winfsp/fsctl.h
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@ -46,6 +46,7 @@ enum
{
FspFsctlTransactUnknownKind = 0,
FspFsctlTransactCreateKind,
FspFsctlTransactCreate2Kind,
FspFsctlTransactCleanupKind,
FspFsctlTransactCloseKind,
FspFsctlTransactReadKind,
@ -123,12 +124,20 @@ typedef struct
{
UINT64 UserContext;
UINT64 UserContext2;
UINT32 ReadAccess:1; /* file was open for read access */
UINT32 WriteAccess:1; /* file was open for write access */
UINT32 DeleteAccess:1; /* file was open for delete access */
UINT32 SharedRead:1; /* file was open for shared read access */
UINT32 SharedWrite:1; /* file was open for shared write access */
UINT32 SharedDelete:1; /* file was open for shared delete access */
UINT32 CloseStatus; /* if non-0 close the file (and do NOT overwrite!) */
UINT32 FileAttributes; /* FILE_ATTRIBUTE_{NORMAL,DIRECTORY,etc.} */
UINT32 Supersede:1; /* 0: FILE_OVERWRITE operation, 1: FILE_SUPERSEDE operation */
} Create2;
struct
{
UINT64 UserContext;
UINT64 UserContext2;
UINT32 ReadAccess:1; /* file was open for read access */
UINT32 WriteAccess:1; /* file was open for write access */
UINT32 DeleteAccess:1; /* file was open for delete access */
UINT32 SharedRead:1; /* file was open for shared read access */
UINT32 SharedWrite:1; /* file was open for shared write access */
UINT32 SharedDelete:1; /* file was open for shared delete access */
} Cleanup;
struct
{
@ -169,6 +178,13 @@ typedef struct
FSP_FSCTL_TRANSACT_BUF FileName; /* file name to use for STATUS_REPARSE */
} Reparse;
} Create;
struct
{
UINT64 UserContext; /* open file user context (unique file id) */
UINT64 UserContext2; /* kernel file object user context (only low 32 bits valid) */
UINT64 AllocationSize; /* file allocation size */
UINT64 FileSize; /* file size */
} Create2;
} Rsp;
FSP_FSCTL_DECLSPEC_ALIGN UINT8 Buffer[];
} FSP_FSCTL_TRANSACT_RSP;