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dll: WIP

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This commit is contained in:
Bill Zissimopoulos 2016-01-03 21:07:43 -08:00
parent cdd10dbdff
commit 67e82631ee
2 changed files with 39 additions and 2 deletions
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2
inc/winfsp/winfsp.h
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@ -54,6 +54,8 @@ typedef struct _FSP_FILE_SYSTEM_INTERFACE
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FILE_NODE **PFileNode);
NTSTATUS (*FileOpen)(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FILE_NODE **PFileNode);
NTSTATUS (*FileOverwrite)(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FILE_NODE **PFileNode);
NTSTATUS (*FileClose)(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FILE_NODE *FileNode);
} FSP_FILE_SYSTEM_INTERFACE;

39
src/dll/create.c
View File

@ -157,7 +157,40 @@ static NTSTATUS FspFileSystemOpCreate_FileOpenIf(FSP_FILE_SYSTEM *FileSystem,
static NTSTATUS FspFileSystemOpCreate_FileOverwrite(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, BOOLEAN Supersede)
{
return STATUS_NOT_IMPLEMENTED;
NTSTATUS Result;
DWORD GrantedAccess;
FSP_FILE_NODE *FileNode;
FSP_FSCTL_TRANSACT_RSP Response;
Result = FspAccessCheck(FileSystem, Request, TRUE,
Request->Req.Create.DesiredAccess | (Supersede ? DELETE : 0),
&GrantedAccess);
if (!NT_SUCCESS(Result))
return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result);
GrantedAccess &= ~DELETE | (Request->Req.Create.DesiredAccess & DELETE);
Result = FileSystem->Interface->FileOverwrite(FileSystem, Request, &FileNode);
if (!NT_SUCCESS(Result))
return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result);
Result = FspShareCheck(FileSystem, GrantedAccess, Request->Req.Create.ShareAccess, FileNode);
if (!NT_SUCCESS(Result))
{
if (0 != FileSystem->Interface->FileClose)
FileSystem->Interface->FileClose(FileSystem, Request, FileNode);
return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result);
}
memset(&Response, 0, sizeof Response);
Response.Size = sizeof Response;
Response.Kind = Request->Kind;
Response.Hint = Request->Hint;
Response.IoStatus.Status = STATUS_SUCCESS;
Response.IoStatus.Information = Supersede ? FILE_SUPERSEDED : FILE_OVERWRITTEN;
Response.Rsp.Create.Opened.UserContext = (UINT_PTR)FileNode;
Response.Rsp.Create.Opened.GrantedAccess = GrantedAccess;
return FspFileSystemSendResponse(FileSystem, &Response);
}
static NTSTATUS FspFileSystemOpCreate_FileOverwriteIf(FSP_FILE_SYSTEM *FileSystem,
@ -169,7 +202,9 @@ static NTSTATUS FspFileSystemOpCreate_FileOverwriteIf(FSP_FILE_SYSTEM *FileSyste
FSP_API NTSTATUS FspFileSystemOpCreate(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request)
{
if (0 == FileSystem->Interface->FileCreate || 0 == FileSystem->Interface->FileOpen)
if (0 == FileSystem->Interface->FileCreate ||
0 == FileSystem->Interface->FileOpen ||
0 == FileSystem->Interface->FileOverwrite)
return FspFileSystemSendResponseWithStatus(FileSystem, Request, STATUS_INVALID_DEVICE_REQUEST);
switch ((Request->Req.Create.CreateOptions >> 24) & 0xff)