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dll: API polishing

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This commit is contained in:
Bill Zissimopoulos
2016-10-20 16:32:12 -07:00
parent 03611b6210
commit 067a0f1b37
6 changed files with 197 additions and 182 deletions
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30
src/dll/fs.c
View File

@ -25,6 +25,7 @@ enum
static FSP_FILE_SYSTEM_INTERFACE FspFileSystemNullInterface;
static INIT_ONCE FspFileSystemInitOnce = INIT_ONCE_STATIC_INIT;
static DWORD FspFileSystemTlsKey = TLS_OUT_OF_INDEXES;
static NTSTATUS (NTAPI *FspNtOpenSymbolicLinkObject)(
PHANDLE LinkHandle, ACCESS_MASK DesiredAccess, POBJECT_ATTRIBUTES ObjectAttributes);
static NTSTATUS (NTAPI *FspNtMakeTemporaryObject)(
@ -37,6 +38,8 @@ static BOOL WINAPI FspFileSystemInitialize(
{
HANDLE Handle;
FspFileSystemTlsKey = TlsAlloc();
Handle = GetModuleHandleW(L"ntdll.dll");
if (0 != Handle)
{
@ -55,6 +58,20 @@ static BOOL WINAPI FspFileSystemInitialize(
return TRUE;
}
VOID FspFileSystemFinalize(BOOLEAN Dynamic)
{
/*
* This function is called during DLL_PROCESS_DETACH. We must therefore keep
* finalization tasks to a minimum.
*
* We must free our TLS key (if any). We only do so if the library
* is being explicitly unloaded (rather than the process exiting).
*/
if (Dynamic && TLS_OUT_OF_INDEXES != FspFileSystemTlsKey)
TlsFree(FspFileSystemTlsKey);
}
FSP_API NTSTATUS FspFileSystemCreate(PWSTR DevicePath,
const FSP_FSCTL_VOLUME_PARAMS *VolumeParams,
const FSP_FILE_SYSTEM_INTERFACE *Interface,
@ -69,6 +86,8 @@ FSP_API NTSTATUS FspFileSystemCreate(PWSTR DevicePath,
Interface = &FspFileSystemNullInterface;
InitOnceExecuteOnce(&FspFileSystemInitOnce, FspFileSystemInitialize, 0, 0);
if (TLS_OUT_OF_INDEXES == FspFileSystemTlsKey)
return STATUS_INSUFFICIENT_RESOURCES;
FileSystem = MemAlloc(sizeof *FileSystem);
if (0 == FileSystem)
@ -395,6 +414,7 @@ static DWORD WINAPI FspFileSystemDispatcherThread(PVOID FileSystem0)
SIZE_T RequestSize, ResponseSize;
FSP_FSCTL_TRANSACT_REQ *Request = 0;
FSP_FSCTL_TRANSACT_RSP *Response = 0;
FSP_FILE_SYSTEM_OPERATION_CONTEXT OperationContext;
HANDLE DispatcherThread = 0;
Request = MemAlloc(FSP_FSCTL_TRANSACT_BUFFER_SIZEMIN);
@ -416,6 +436,10 @@ static DWORD WINAPI FspFileSystemDispatcherThread(PVOID FileSystem0)
}
}
OperationContext.Request = Request;
OperationContext.Response = Response;
TlsSetValue(FspFileSystemTlsKey, &OperationContext);
memset(Response, 0, sizeof *Response);
for (;;)
{
@ -479,6 +503,7 @@ static DWORD WINAPI FspFileSystemDispatcherThread(PVOID FileSystem0)
}
exit:
TlsSetValue(FspFileSystemTlsKey, 0);
MemFree(Response);
MemFree(Request);
@ -556,3 +581,8 @@ FSP_API VOID FspFileSystemSendResponse(FSP_FILE_SYSTEM *FileSystem,
FspFsctlStop(FileSystem->VolumeHandle);
}
}
FSP_API FSP_FILE_SYSTEM_OPERATION_CONTEXT *FspFileSystemGetOperationContext(VOID)
{
return (FSP_FILE_SYSTEM_OPERATION_CONTEXT *)TlsGetValue(FspFileSystemTlsKey);
}

81
src/dll/fsop.c
View File

@ -369,8 +369,8 @@ static NTSTATUS FspFileSystemOpCreate_FileCreate(FSP_FILE_SYSTEM *FileSystem,
memset(&OpenFileInfo, 0, sizeof OpenFileInfo);
OpenFileInfo.NormalizedName = (PVOID)Response->Buffer;
OpenFileInfo.NormalizedNameSize = FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX;
Result = FileSystem->Interface->Create(FileSystem, Request,
(PWSTR)Request->Buffer, Request->Req.Create.CaseSensitive, Request->Req.Create.CreateOptions,
Result = FileSystem->Interface->Create(FileSystem,
(PWSTR)Request->Buffer, Request->Req.Create.CreateOptions, GrantedAccess,
Request->Req.Create.FileAttributes, ObjectDescriptor, Request->Req.Create.AllocationSize,
&FileNode, &OpenFileInfo.FileInfo);
FspDeleteSecurityDescriptor(ObjectDescriptor, FspCreateSecurityDescriptor);
@ -408,8 +408,8 @@ static NTSTATUS FspFileSystemOpCreate_FileOpen(FSP_FILE_SYSTEM *FileSystem,
memset(&OpenFileInfo, 0, sizeof OpenFileInfo);
OpenFileInfo.NormalizedName = (PVOID)Response->Buffer;
OpenFileInfo.NormalizedNameSize = FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX;
Result = FileSystem->Interface->Open(FileSystem, Request,
(PWSTR)Request->Buffer, Request->Req.Create.CaseSensitive, Request->Req.Create.CreateOptions,
Result = FileSystem->Interface->Open(FileSystem,
(PWSTR)Request->Buffer, Request->Req.Create.CreateOptions, GrantedAccess,
&FileNode, &OpenFileInfo.FileInfo);
if (!NT_SUCCESS(Result))
return Result;
@ -453,8 +453,8 @@ static NTSTATUS FspFileSystemOpCreate_FileOpenIf(FSP_FILE_SYSTEM *FileSystem,
memset(&OpenFileInfo, 0, sizeof OpenFileInfo);
OpenFileInfo.NormalizedName = (PVOID)Response->Buffer;
OpenFileInfo.NormalizedNameSize = FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX;
Result = FileSystem->Interface->Open(FileSystem, Request,
(PWSTR)Request->Buffer, Request->Req.Create.CaseSensitive, Request->Req.Create.CreateOptions,
Result = FileSystem->Interface->Open(FileSystem,
(PWSTR)Request->Buffer, Request->Req.Create.CreateOptions, GrantedAccess,
&FileNode, &OpenFileInfo.FileInfo);
if (!NT_SUCCESS(Result))
{
@ -480,8 +480,8 @@ static NTSTATUS FspFileSystemOpCreate_FileOpenIf(FSP_FILE_SYSTEM *FileSystem,
memset(&OpenFileInfo, 0, sizeof OpenFileInfo);
OpenFileInfo.NormalizedName = (PVOID)Response->Buffer;
OpenFileInfo.NormalizedNameSize = FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX;
Result = FileSystem->Interface->Create(FileSystem, Request,
(PWSTR)Request->Buffer, Request->Req.Create.CaseSensitive, Request->Req.Create.CreateOptions,
Result = FileSystem->Interface->Create(FileSystem,
(PWSTR)Request->Buffer, Request->Req.Create.CreateOptions, GrantedAccess,
Request->Req.Create.FileAttributes, ObjectDescriptor, Request->Req.Create.AllocationSize,
&FileNode, &OpenFileInfo.FileInfo);
FspDeleteSecurityDescriptor(ObjectDescriptor, FspCreateSecurityDescriptor);
@ -521,8 +521,8 @@ static NTSTATUS FspFileSystemOpCreate_FileOverwrite(FSP_FILE_SYSTEM *FileSystem,
memset(&OpenFileInfo, 0, sizeof OpenFileInfo);
OpenFileInfo.NormalizedName = (PVOID)Response->Buffer;
OpenFileInfo.NormalizedNameSize = FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX;
Result = FileSystem->Interface->Open(FileSystem, Request,
(PWSTR)Request->Buffer, Request->Req.Create.CaseSensitive, Request->Req.Create.CreateOptions,
Result = FileSystem->Interface->Open(FileSystem,
(PWSTR)Request->Buffer, Request->Req.Create.CreateOptions, GrantedAccess,
&FileNode, &OpenFileInfo.FileInfo);
if (!NT_SUCCESS(Result))
return Result;
@ -566,8 +566,8 @@ static NTSTATUS FspFileSystemOpCreate_FileOverwriteIf(FSP_FILE_SYSTEM *FileSyste
memset(&OpenFileInfo, 0, sizeof OpenFileInfo);
OpenFileInfo.NormalizedName = (PVOID)Response->Buffer;
OpenFileInfo.NormalizedNameSize = FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX;
Result = FileSystem->Interface->Open(FileSystem, Request,
(PWSTR)Request->Buffer, Request->Req.Create.CaseSensitive, Request->Req.Create.CreateOptions,
Result = FileSystem->Interface->Open(FileSystem,
(PWSTR)Request->Buffer, Request->Req.Create.CreateOptions, GrantedAccess,
&FileNode, &OpenFileInfo.FileInfo);
if (!NT_SUCCESS(Result))
{
@ -593,8 +593,8 @@ static NTSTATUS FspFileSystemOpCreate_FileOverwriteIf(FSP_FILE_SYSTEM *FileSyste
memset(&OpenFileInfo, 0, sizeof OpenFileInfo);
OpenFileInfo.NormalizedName = (PVOID)Response->Buffer;
OpenFileInfo.NormalizedNameSize = FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX;
Result = FileSystem->Interface->Create(FileSystem, Request,
(PWSTR)Request->Buffer, Request->Req.Create.CaseSensitive, Request->Req.Create.CreateOptions,
Result = FileSystem->Interface->Create(FileSystem,
(PWSTR)Request->Buffer, Request->Req.Create.CreateOptions, GrantedAccess,
Request->Req.Create.FileAttributes, ObjectDescriptor, Request->Req.Create.AllocationSize,
&FileNode, &OpenFileInfo.FileInfo);
FspDeleteSecurityDescriptor(ObjectDescriptor, FspCreateSecurityDescriptor);
@ -637,8 +637,8 @@ static NTSTATUS FspFileSystemOpCreate_FileOpenTargetDirectory(FSP_FILE_SYSTEM *F
OpenFileInfo.NormalizedName = (PVOID)Response->Buffer;
OpenFileInfo.NormalizedNameSize = FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX;
FspPathSuffix((PWSTR)Request->Buffer, &Parent, &Suffix, Root);
Result = FileSystem->Interface->Open(FileSystem, Request,
Parent, Request->Req.Create.CaseSensitive, Request->Req.Create.CreateOptions,
Result = FileSystem->Interface->Open(FileSystem,
Parent, Request->Req.Create.CreateOptions, GrantedAccess,
&FileNode, &OpenFileInfo.FileInfo);
FspPathCombine((PWSTR)Request->Buffer, Suffix);
if (!NT_SUCCESS(Result))
@ -806,7 +806,7 @@ FSP_API NTSTATUS FspFileSystemOpOverwrite(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST;
memset(&FileInfo, 0, sizeof FileInfo);
Result = FileSystem->Interface->Overwrite(FileSystem, Request,
Result = FileSystem->Interface->Overwrite(FileSystem,
(PVOID)USERCONTEXT(Request->Req.Overwrite),
Request->Req.Overwrite.FileAttributes,
Request->Req.Overwrite.Supersede,
@ -814,7 +814,7 @@ FSP_API NTSTATUS FspFileSystemOpOverwrite(FSP_FILE_SYSTEM *FileSystem,
if (!NT_SUCCESS(Result))
{
if (0 != FileSystem->Interface->Close)
FileSystem->Interface->Close(FileSystem, Request,
FileSystem->Interface->Close(FileSystem,
(PVOID)USERCONTEXT(Request->Req.Overwrite));
return Result;
}
@ -827,7 +827,7 @@ FSP_API NTSTATUS FspFileSystemOpCleanup(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
{
if (0 != FileSystem->Interface->Cleanup)
FileSystem->Interface->Cleanup(FileSystem, Request,
FileSystem->Interface->Cleanup(FileSystem,
(PVOID)USERCONTEXT(Request->Req.Cleanup),
0 != Request->FileName.Size ? (PWSTR)Request->Buffer : 0,
0 != Request->Req.Cleanup.Delete);
@ -839,7 +839,7 @@ FSP_API NTSTATUS FspFileSystemOpClose(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
{
if (0 != FileSystem->Interface->Close)
FileSystem->Interface->Close(FileSystem, Request,
FileSystem->Interface->Close(FileSystem,
(PVOID)USERCONTEXT(Request->Req.Close));
return STATUS_SUCCESS;
@ -855,7 +855,7 @@ FSP_API NTSTATUS FspFileSystemOpRead(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST;
BytesTransferred = 0;
Result = FileSystem->Interface->Read(FileSystem, Request,
Result = FileSystem->Interface->Read(FileSystem,
(PVOID)USERCONTEXT(Request->Req.Read),
(PVOID)Request->Req.Read.Address,
Request->Req.Read.Offset,
@ -881,7 +881,7 @@ FSP_API NTSTATUS FspFileSystemOpWrite(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST;
BytesTransferred = 0;
Result = FileSystem->Interface->Write(FileSystem, Request,
Result = FileSystem->Interface->Write(FileSystem,
(PVOID)USERCONTEXT(Request->Req.Write),
(PVOID)Request->Req.Write.Address,
Request->Req.Write.Offset,
@ -908,7 +908,7 @@ FSP_API NTSTATUS FspFileSystemOpFlushBuffers(FSP_FILE_SYSTEM *FileSystem,
if (0 == FileSystem->Interface->Flush)
return STATUS_SUCCESS; /* liar! */
return FileSystem->Interface->Flush(FileSystem, Request,
return FileSystem->Interface->Flush(FileSystem,
(PVOID)USERCONTEXT(Request->Req.FlushBuffers));
}
@ -922,7 +922,7 @@ FSP_API NTSTATUS FspFileSystemOpQueryInformation(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST;
memset(&FileInfo, 0, sizeof FileInfo);
Result = FileSystem->Interface->GetFileInfo(FileSystem, Request,
Result = FileSystem->Interface->GetFileInfo(FileSystem,
(PVOID)USERCONTEXT(Request->Req.QueryInformation), &FileInfo);
if (!NT_SUCCESS(Result))
return Result;
@ -943,7 +943,7 @@ FSP_API NTSTATUS FspFileSystemOpSetInformation(FSP_FILE_SYSTEM *FileSystem,
{
case 4/*FileBasicInformation*/:
if (0 != FileSystem->Interface->SetBasicInfo)
Result = FileSystem->Interface->SetBasicInfo(FileSystem, Request,
Result = FileSystem->Interface->SetBasicInfo(FileSystem,
(PVOID)USERCONTEXT(Request->Req.SetInformation),
Request->Req.SetInformation.Info.Basic.FileAttributes,
Request->Req.SetInformation.Info.Basic.CreationTime,
@ -953,14 +953,14 @@ FSP_API NTSTATUS FspFileSystemOpSetInformation(FSP_FILE_SYSTEM *FileSystem,
break;
case 19/*FileAllocationInformation*/:
if (0 != FileSystem->Interface->SetFileSize)
Result = FileSystem->Interface->SetFileSize(FileSystem, Request,
Result = FileSystem->Interface->SetFileSize(FileSystem,
(PVOID)USERCONTEXT(Request->Req.SetInformation),
Request->Req.SetInformation.Info.Allocation.AllocationSize, TRUE,
&FileInfo);
break;
case 20/*FileEndOfFileInformation*/:
if (0 != FileSystem->Interface->SetFileSize)
Result = FileSystem->Interface->SetFileSize(FileSystem, Request,
Result = FileSystem->Interface->SetFileSize(FileSystem,
(PVOID)USERCONTEXT(Request->Req.SetInformation),
Request->Req.SetInformation.Info.EndOfFile.FileSize, FALSE,
&FileInfo);
@ -968,7 +968,7 @@ FSP_API NTSTATUS FspFileSystemOpSetInformation(FSP_FILE_SYSTEM *FileSystem,
case 13/*FileDispositionInformation*/:
if (0 != FileSystem->Interface->GetFileInfo)
{
Result = FileSystem->Interface->GetFileInfo(FileSystem, Request,
Result = FileSystem->Interface->GetFileInfo(FileSystem,
(PVOID)USERCONTEXT(Request->Req.SetInformation), &FileInfo);
if (NT_SUCCESS(Result) && 0 != (FileInfo.FileAttributes & FILE_ATTRIBUTE_READONLY))
{
@ -978,7 +978,7 @@ FSP_API NTSTATUS FspFileSystemOpSetInformation(FSP_FILE_SYSTEM *FileSystem,
}
if (0 != FileSystem->Interface->CanDelete)
if (Request->Req.SetInformation.Info.Disposition.Delete)
Result = FileSystem->Interface->CanDelete(FileSystem, Request,
Result = FileSystem->Interface->CanDelete(FileSystem,
(PVOID)USERCONTEXT(Request->Req.SetInformation),
(PWSTR)Request->Buffer);
else
@ -995,7 +995,7 @@ FSP_API NTSTATUS FspFileSystemOpSetInformation(FSP_FILE_SYSTEM *FileSystem,
STATUS_OBJECT_NAME_NOT_FOUND != Result)
break;
}
Result = FileSystem->Interface->Rename(FileSystem, Request,
Result = FileSystem->Interface->Rename(FileSystem,
(PVOID)USERCONTEXT(Request->Req.SetInformation),
(PWSTR)Request->Buffer,
(PWSTR)(Request->Buffer + Request->Req.SetInformation.Info.Rename.NewFileName.Offset),
@ -1021,7 +1021,7 @@ FSP_API NTSTATUS FspFileSystemOpQueryVolumeInformation(FSP_FILE_SYSTEM *FileSyst
return STATUS_INVALID_DEVICE_REQUEST;
memset(&VolumeInfo, 0, sizeof VolumeInfo);
Result = FileSystem->Interface->GetVolumeInfo(FileSystem, Request, &VolumeInfo);
Result = FileSystem->Interface->GetVolumeInfo(FileSystem, &VolumeInfo);
if (!NT_SUCCESS(Result))
return Result;
@ -1041,7 +1041,7 @@ FSP_API NTSTATUS FspFileSystemOpSetVolumeInformation(FSP_FILE_SYSTEM *FileSystem
{
case 2/*FileFsLabelInformation*/:
if (0 != FileSystem->Interface->SetVolumeLabel)
Result = FileSystem->Interface->SetVolumeLabel(FileSystem, Request,
Result = FileSystem->Interface->SetVolumeLabel(FileSystem,
(PWSTR)Request->Buffer,
&VolumeInfo);
break;
@ -1064,7 +1064,7 @@ FSP_API NTSTATUS FspFileSystemOpQueryDirectory(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST;
BytesTransferred = 0;
Result = FileSystem->Interface->ReadDirectory(FileSystem, Request,
Result = FileSystem->Interface->ReadDirectory(FileSystem,
(PVOID)USERCONTEXT(Request->Req.QueryDirectory),
(PVOID)Request->Req.QueryDirectory.Address,
Request->Req.QueryDirectory.Offset,
@ -1098,7 +1098,7 @@ FSP_API NTSTATUS FspFileSystemOpFileSystemControl(FSP_FILE_SYSTEM *FileSystem,
memset(ReparseData, 0, sizeof *ReparseData);
Size = FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX;
Result = FileSystem->Interface->GetReparsePoint(FileSystem, Request,
Result = FileSystem->Interface->GetReparsePoint(FileSystem,
(PVOID)USERCONTEXT(Request->Req.FileSystemControl),
(PWSTR)Request->Buffer, ReparseData, &Size);
if (NT_SUCCESS(Result))
@ -1115,7 +1115,7 @@ FSP_API NTSTATUS FspFileSystemOpFileSystemControl(FSP_FILE_SYSTEM *FileSystem,
ReparseData = (PREPARSE_DATA_BUFFER)
(Request->Buffer + Request->Req.FileSystemControl.Buffer.Offset);
Result = FileSystem->Interface->SetReparsePoint(FileSystem, Request,
Result = FileSystem->Interface->SetReparsePoint(FileSystem,
(PVOID)USERCONTEXT(Request->Req.FileSystemControl),
(PWSTR)Request->Buffer,
ReparseData,
@ -1128,7 +1128,7 @@ FSP_API NTSTATUS FspFileSystemOpFileSystemControl(FSP_FILE_SYSTEM *FileSystem,
ReparseData = (PREPARSE_DATA_BUFFER)
(Request->Buffer + Request->Req.FileSystemControl.Buffer.Offset);
Result = FileSystem->Interface->DeleteReparsePoint(FileSystem, Request,
Result = FileSystem->Interface->DeleteReparsePoint(FileSystem,
(PVOID)USERCONTEXT(Request->Req.FileSystemControl),
(PWSTR)Request->Buffer,
ReparseData,
@ -1150,7 +1150,7 @@ FSP_API NTSTATUS FspFileSystemOpQuerySecurity(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST;
SecurityDescriptorSize = FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX;
Result = FileSystem->Interface->GetSecurity(FileSystem, Request,
Result = FileSystem->Interface->GetSecurity(FileSystem,
(PVOID)USERCONTEXT(Request->Req.QuerySecurity),
Response->Buffer, &SecurityDescriptorSize);
if (!NT_SUCCESS(Result))
@ -1168,10 +1168,11 @@ FSP_API NTSTATUS FspFileSystemOpSetSecurity(FSP_FILE_SYSTEM *FileSystem,
if (0 == FileSystem->Interface->SetSecurity)
return STATUS_INVALID_DEVICE_REQUEST;
return FileSystem->Interface->SetSecurity(FileSystem, Request,
return FileSystem->Interface->SetSecurity(FileSystem,
(PVOID)USERCONTEXT(Request->Req.SetSecurity),
Request->Req.SetSecurity.SecurityInformation,
(PSECURITY_DESCRIPTOR)Request->Buffer);
(PSECURITY_DESCRIPTOR)Request->Buffer,
(HANDLE)Request->Req.SetSecurity.AccessToken);
}
FSP_API NTSTATUS FspFileSystemOpQueryStreamInformation(FSP_FILE_SYSTEM *FileSystem,
@ -1184,7 +1185,7 @@ FSP_API NTSTATUS FspFileSystemOpQueryStreamInformation(FSP_FILE_SYSTEM *FileSyst
return STATUS_INVALID_DEVICE_REQUEST;
BytesTransferred = 0;
Result = FileSystem->Interface->GetStreamInfo(FileSystem, Request,
Result = FileSystem->Interface->GetStreamInfo(FileSystem,
(PVOID)USERCONTEXT(Request->Req.QueryStreamInformation),
Response->Buffer,
FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX,

38
src/dll/fuse/fuse_intf.c
View File

@ -691,7 +691,6 @@ static NTSTATUS fsp_fuse_intf_GetReparsePointByName(
PWSTR FileName, BOOLEAN IsDirectory, PVOID Buffer, PSIZE_T PSize);
static NTSTATUS fsp_fuse_intf_GetVolumeInfo(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
FSP_FSCTL_VOLUME_INFO *VolumeInfo)
{
struct fuse *f = FileSystem->UserContext;
@ -715,7 +714,6 @@ static NTSTATUS fsp_fuse_intf_GetVolumeInfo(FSP_FILE_SYSTEM *FileSystem,
}
static NTSTATUS fsp_fuse_intf_SetVolumeLabel(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PWSTR VolumeLabel,
FSP_FSCTL_VOLUME_INFO *VolumeInfo)
{
@ -758,8 +756,7 @@ exit:
}
static NTSTATUS fsp_fuse_intf_Create(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PWSTR FileName, BOOLEAN CaseSensitive, UINT32 CreateOptions,
PWSTR FileName, UINT32 CreateOptions, UINT32 GrantedAccess,
UINT32 FileAttributes, PSECURITY_DESCRIPTOR SecurityDescriptor, UINT64 AllocationSize,
PVOID *PFileNode, FSP_FSCTL_FILE_INFO *FileInfo)
{
@ -914,8 +911,7 @@ exit:
}
static NTSTATUS fsp_fuse_intf_Open(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PWSTR FileName, BOOLEAN CaseSensitive, UINT32 CreateOptions,
PWSTR FileName, UINT32 CreateOptions, UINT32 GrantedAccess,
PVOID *PFileNode, FSP_FSCTL_FILE_INFO *FileInfo)
{
struct fuse *f = FileSystem->UserContext;
@ -941,7 +937,7 @@ static NTSTATUS fsp_fuse_intf_Open(FSP_FILE_SYSTEM *FileSystem,
}
memset(&fi, 0, sizeof fi);
switch (Request->Req.Create.DesiredAccess & (FILE_READ_DATA | FILE_WRITE_DATA))
switch (GrantedAccess & (FILE_READ_DATA | FILE_WRITE_DATA))
{
default:
case FILE_READ_DATA:
@ -1017,7 +1013,6 @@ exit:
}
static NTSTATUS fsp_fuse_intf_Overwrite(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, UINT32 FileAttributes, BOOLEAN ReplaceFileAttributes,
FSP_FSCTL_FILE_INFO *FileInfo)
{
@ -1055,7 +1050,6 @@ static NTSTATUS fsp_fuse_intf_Overwrite(FSP_FILE_SYSTEM *FileSystem,
}
static VOID fsp_fuse_intf_Cleanup(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PWSTR FileName, BOOLEAN Delete)
{
struct fuse *f = FileSystem->UserContext;
@ -1092,7 +1086,6 @@ static VOID fsp_fuse_intf_Cleanup(FSP_FILE_SYSTEM *FileSystem,
}
static VOID fsp_fuse_intf_Close(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode)
{
struct fuse *f = FileSystem->UserContext;
@ -1126,7 +1119,6 @@ static VOID fsp_fuse_intf_Close(FSP_FILE_SYSTEM *FileSystem,
}
static NTSTATUS fsp_fuse_intf_Read(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PVOID Buffer, UINT64 Offset, ULONG Length,
PULONG PBytesTransferred)
{
@ -1161,7 +1153,6 @@ static NTSTATUS fsp_fuse_intf_Read(FSP_FILE_SYSTEM *FileSystem,
}
static NTSTATUS fsp_fuse_intf_Write(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PVOID Buffer, UINT64 Offset, ULONG Length,
BOOLEAN WriteToEndOfFile, BOOLEAN ConstrainedIo,
PULONG PBytesTransferred, FSP_FSCTL_FILE_INFO *FileInfo)
@ -1224,7 +1215,6 @@ success:
}
static NTSTATUS fsp_fuse_intf_Flush(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode)
{
struct fuse *f = FileSystem->UserContext;
@ -1264,7 +1254,6 @@ static NTSTATUS fsp_fuse_intf_Flush(FSP_FILE_SYSTEM *FileSystem,
}
static NTSTATUS fsp_fuse_intf_GetFileInfo(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode,
FSP_FSCTL_FILE_INFO *FileInfo)
{
@ -1282,7 +1271,6 @@ static NTSTATUS fsp_fuse_intf_GetFileInfo(FSP_FILE_SYSTEM *FileSystem,
}
static NTSTATUS fsp_fuse_intf_SetBasicInfo(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, UINT32 FileAttributes,
UINT64 CreationTime, UINT64 LastAccessTime, UINT64 LastWriteTime,
FSP_FSCTL_FILE_INFO *FileInfo)
@ -1361,7 +1349,6 @@ static NTSTATUS fsp_fuse_intf_SetBasicInfo(FSP_FILE_SYSTEM *FileSystem,
}
static NTSTATUS fsp_fuse_intf_SetFileSize(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, UINT64 NewSize, BOOLEAN SetAllocationSize,
FSP_FSCTL_FILE_INFO *FileInfo)
{
@ -1445,7 +1432,6 @@ static int fsp_fuse_intf_CanDeleteAddDirInfoOld(fuse_dirh_t dh, const char *name
}
static NTSTATUS fsp_fuse_intf_CanDelete(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PWSTR FileName)
{
struct fuse *f = FileSystem->UserContext;
@ -1479,7 +1465,6 @@ static NTSTATUS fsp_fuse_intf_CanDelete(FSP_FILE_SYSTEM *FileSystem,
}
static NTSTATUS fsp_fuse_intf_Rename(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode,
PWSTR FileName, PWSTR NewFileName, BOOLEAN ReplaceIfExists)
{
@ -1513,7 +1498,6 @@ static NTSTATUS fsp_fuse_intf_Rename(FSP_FILE_SYSTEM *FileSystem,
}
static NTSTATUS fsp_fuse_intf_GetSecurity(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode,
PSECURITY_DESCRIPTOR SecurityDescriptorBuf, SIZE_T *PSecurityDescriptorSize)
{
@ -1531,9 +1515,9 @@ static NTSTATUS fsp_fuse_intf_GetSecurity(FSP_FILE_SYSTEM *FileSystem,
}
static NTSTATUS fsp_fuse_intf_SetSecurity(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode,
SECURITY_INFORMATION SecurityInformation, PSECURITY_DESCRIPTOR Ignored)
SECURITY_INFORMATION SecurityInformation, PSECURITY_DESCRIPTOR ModificationDescriptor,
HANDLE AccessToken)
{
struct fuse *f = FileSystem->UserContext;
struct fsp_fuse_file_desc *filedesc = FileNode;
@ -1560,7 +1544,11 @@ static NTSTATUS fsp_fuse_intf_SetSecurity(FSP_FILE_SYSTEM *FileSystem,
if (!NT_SUCCESS(Result))
goto exit;
Result = FspSetSecurityDescriptor(FileSystem, Request, SecurityDescriptor,
Result = FspSetSecurityDescriptor(
SecurityDescriptor,
SecurityInformation,
ModificationDescriptor,
AccessToken,
&NewSecurityDescriptor);
if (!NT_SUCCESS(Result))
goto exit;
@ -1663,7 +1651,6 @@ int fsp_fuse_intf_AddDirInfoOld(fuse_dirh_t dh, const char *name,
}
static NTSTATUS fsp_fuse_intf_ReadDirectory(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PVOID Buffer, UINT64 Offset, ULONG Length,
PWSTR Pattern,
PULONG PBytesTransferred)
@ -1871,7 +1858,6 @@ exit:
}
static NTSTATUS fsp_fuse_intf_GetReparsePoint(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode,
PWSTR FileName, PVOID Buffer, PSIZE_T PSize)
{
@ -1886,7 +1872,6 @@ static NTSTATUS fsp_fuse_intf_GetReparsePoint(FSP_FILE_SYSTEM *FileSystem,
}
static NTSTATUS fsp_fuse_intf_SetReparsePoint(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode,
PWSTR FileName, PVOID Buffer, SIZE_T Size)
{
@ -1971,6 +1956,8 @@ static NTSTATUS fsp_fuse_intf_SetReparsePoint(FSP_FILE_SYSTEM *FileSystem,
if (0 == (ReparseData->SymbolicLinkReparseBuffer.Flags & SYMLINK_FLAG_RELATIVE) &&
ReparseTargetPathLength >= sizeof(WCHAR) && L'\\' == ReparseTargetPath[0])
{
FSP_FSCTL_TRANSACT_REQ *Request = FspFileSystemGetOperationContext()->Request;
/* we do not support absolute paths that point outside this file system */
if (0 == Request->Req.FileSystemControl.TargetOnFileSystem)
return STATUS_ACCESS_DENIED;
@ -2081,7 +2068,6 @@ exit:
}
static NTSTATUS fsp_fuse_intf_DeleteReparsePoint(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode,
PWSTR FileName, PVOID Buffer, SIZE_T Size)
{

15
src/dll/security.c
View File

@ -412,16 +412,15 @@ FSP_API NTSTATUS FspCreateSecurityDescriptor(FSP_FILE_SYSTEM *FileSystem,
return STATUS_SUCCESS;
}
FSP_API NTSTATUS FspSetSecurityDescriptor(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
FSP_API NTSTATUS FspSetSecurityDescriptor(
PSECURITY_DESCRIPTOR InputDescriptor,
SECURITY_INFORMATION SecurityInformation,
PSECURITY_DESCRIPTOR ModificationDescriptor,
HANDLE AccessToken,
PSECURITY_DESCRIPTOR *PSecurityDescriptor)
{
*PSecurityDescriptor = 0;
if (FspFsctlTransactSetSecurityKind != Request->Kind)
return STATUS_INVALID_PARAMETER;
if (0 == InputDescriptor)
return STATUS_NO_SECURITY_ON_OBJECT;
@ -455,11 +454,11 @@ FSP_API NTSTATUS FspSetSecurityDescriptor(FSP_FILE_SYSTEM *FileSystem,
InputDescriptor = CopiedDescriptor;
if (!SetPrivateObjectSecurity(
Request->Req.SetSecurity.SecurityInformation,
(PVOID)Request->Buffer,
SecurityInformation,
ModificationDescriptor,
&InputDescriptor,
&FspFileGenericMapping,
(HANDLE)Request->Req.SetSecurity.AccessToken))
AccessToken))
{
HeapFree(ProcessHeap, 0, CopiedDescriptor);
return FspNtStatusFromWin32(GetLastError());