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dll: WIP

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This commit is contained in:
Bill Zissimopoulos 2016-01-03 17:15:59 -08:00
parent 675559118d
commit 9d73f15b0f
2 changed files with 56 additions and 1 deletions
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4
src/dll/access.c
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@ -88,7 +88,11 @@ FSP_API NTSTATUS FspAccessCheck(FSP_FILE_SYSTEM *FileSystem,
FspPathCombine((PWSTR)Request->Buffer, Path);
if (!NT_SUCCESS(Result))
{
if (STATUS_OBJECT_NAME_NOT_FOUND == Result)
Result = STATUS_OBJECT_PATH_NOT_FOUND;
goto exit;
}
if (AccessCheck(SecurityDescriptor, (HANDLE)Request->Req.Create.AccessToken, FILE_TRAVERSE,
&FspFileGenericMapping, 0, &PrivilegeSetLength, &TraverseAccess, &AccessStatus))

53
src/dll/create.c
View File

@ -84,7 +84,58 @@ static NTSTATUS FspFileSystemOpCreate_FileOpen(FSP_FILE_SYSTEM *FileSystem,
static NTSTATUS FspFileSystemOpCreate_FileOpenIf(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request)
{
return STATUS_NOT_IMPLEMENTED;
if (0 == FileSystem->Interface->FileOpen || 0 == FileSystem->Interface->FileCreate)
return FspFileSystemSendResponseWithStatus(FileSystem, Request, 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, &GrantedAccess);
if (!NT_SUCCESS(Result))
{
if (STATUS_OBJECT_NAME_NOT_FOUND != Result)
return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result);
Create = TRUE;
Result = FspAccessCheck(FileSystem, Request, FALSE,
(Request->Req.Create.CreateOptions & FILE_DIRECTORY_FILE) ?
FILE_ADD_SUBDIRECTORY : FILE_ADD_FILE,
&GrantedAccess);
if (!NT_SUCCESS(Result))
return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result);
}
if (Create)
{
Result = FileSystem->Interface->FileCreate(FileSystem, Request, &FileNode);
memset(&FileNode->ShareAccess, 0, sizeof FileNode->ShareAccess);
}
else
Result = FileSystem->Interface->FileOpen(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 = Create ? FILE_CREATED : FILE_OPENED;
Response.Rsp.Create.Opened.UserContext = (UINT_PTR)FileNode;
Response.Rsp.Create.Opened.GrantedAccess = GrantedAccess;
return FspFileSystemSendResponse(FileSystem, &Response);
}
static NTSTATUS FspFileSystemOpCreate_FileOverwrite(FSP_FILE_SYSTEM *FileSystem,