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dll: WIP

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This commit is contained in:
Bill Zissimopoulos 2016-01-03 21:24:40 -08:00
parent 67e82631ee
commit 6dbb987ebc
1 changed files with 64 additions and 3 deletions
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67
src/dll/create.c
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@ -163,12 +163,14 @@ static NTSTATUS FspFileSystemOpCreate_FileOverwrite(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_RSP Response;
Result = FspAccessCheck(FileSystem, Request, TRUE,
Request->Req.Create.DesiredAccess | (Supersede ? DELETE : 0),
Request->Req.Create.DesiredAccess | (Supersede ? DELETE : FILE_WRITE_DATA),
&GrantedAccess);
if (!NT_SUCCESS(Result))
return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result);
GrantedAccess &= ~DELETE | (Request->Req.Create.DesiredAccess & DELETE);
GrantedAccess &= Supersede ?
(~DELETE | (Request->Req.Create.DesiredAccess & DELETE)) :
(~FILE_WRITE_DATA | (Request->Req.Create.DesiredAccess & FILE_WRITE_DATA));
Result = FileSystem->Interface->FileOverwrite(FileSystem, Request, &FileNode);
if (!NT_SUCCESS(Result))
@ -196,7 +198,66 @@ static NTSTATUS FspFileSystemOpCreate_FileOverwrite(FSP_FILE_SYSTEM *FileSystem,
static NTSTATUS FspFileSystemOpCreate_FileOverwriteIf(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request)
{
return STATUS_NOT_IMPLEMENTED;
NTSTATUS Result;
DWORD GrantedAccess;
FSP_FILE_NODE *FileNode;
FSP_FSCTL_TRANSACT_RSP Response;
BOOLEAN Create = FALSE;
Result = FspAccessCheck(FileSystem, Request, TRUE,
Request->Req.Create.DesiredAccess | FILE_WRITE_DATA,
&GrantedAccess);
if (!NT_SUCCESS(Result))
{
if (STATUS_OBJECT_NAME_NOT_FOUND != Result)
return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result);
Create = TRUE;
}
else
GrantedAccess &= ~FILE_WRITE_DATA | (Request->Req.Create.DesiredAccess & FILE_WRITE_DATA);
if (!Create)
{
Result = FileSystem->Interface->FileOverwrite(FileSystem, Request, &FileNode);
if (!NT_SUCCESS(Result))
{
if (STATUS_OBJECT_NAME_NOT_FOUND != Result)
return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result);
Create = TRUE;
}
}
if (Create)
{
Result = FspCreateCheck(FileSystem, Request, FALSE, &GrantedAccess);
if (!NT_SUCCESS(Result))
return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result);
Result = FileSystem->Interface->FileCreate(FileSystem, Request, &FileNode);
if (!NT_SUCCESS(Result))
return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result);
FileNode->Flags = 0;
memset(&FileNode->ShareAccess, 0, sizeof FileNode->ShareAccess);
}
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 = Create ? FILE_CREATED : FILE_OVERWRITTEN;
Response.Rsp.Create.Opened.UserContext = (UINT_PTR)FileNode;
Response.Rsp.Create.Opened.GrantedAccess = GrantedAccess;
return FspFileSystemSendResponse(FileSystem, &Response);
}
FSP_API NTSTATUS FspFileSystemOpCreate(FSP_FILE_SYSTEM *FileSystem,