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sys: IRP_MJ_QUERY_INFORMATION

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This commit is contained in:
Bill Zissimopoulos 2016-02-03 13:53:47 -08:00
parent 72e0d5a96b
commit 25aabc2b4f
3 changed files with 152 additions and 187 deletions
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3
src/sys/driver.h
View File

@ -574,6 +574,7 @@ typedef struct
UINT64 LastAccessTime;
UINT64 LastWriteTime;
UINT64 ChangeTime;
ULONG InfoChangeNumber;
NTSTATUS CcStatus;
/* read-only after creation (and insertion in the ContextTable) */
PDEVICE_OBJECT FsvolDeviceObject;
@ -620,6 +621,8 @@ VOID FspFileNodeGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileIn
BOOLEAN FspFileNodeTryGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileInfo);
VOID FspFileNodeSetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
const FSP_FSCTL_FILE_INFO *FileInfo);
BOOLEAN FspFileNodeTrySetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
const FSP_FSCTL_FILE_INFO *FileInfo, ULONG InfoChangeNumber);
NTSTATUS FspFileDescCreate(FSP_FILE_DESC **PFileDesc);
VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
#define FspFileNodeAcquireShared(N,F) FspFileNodeAcquireSharedF(N, FspFileNodeAcquire ## F)

16
src/sys/file.c
View File

@ -24,6 +24,8 @@ VOID FspFileNodeGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileIn
BOOLEAN FspFileNodeTryGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileInfo);
VOID FspFileNodeSetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
const FSP_FSCTL_FILE_INFO *FileInfo);
BOOLEAN FspFileNodeTrySetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
const FSP_FSCTL_FILE_INFO *FileInfo, ULONG InfoChangeNumber);
NTSTATUS FspFileDescCreate(FSP_FILE_DESC **PFileDesc);
VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
@ -42,6 +44,7 @@ VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
#pragma alloc_text(PAGE, FspFileNodeGetFileInfo)
#pragma alloc_text(PAGE, FspFileNodeTryGetFileInfo)
#pragma alloc_text(PAGE, FspFileNodeSetFileInfo)
#pragma alloc_text(PAGE, FspFileNodeTrySetFileInfo)
#pragma alloc_text(PAGE, FspFileDescCreate)
#pragma alloc_text(PAGE, FspFileDescDelete)
#endif
@ -412,12 +415,25 @@ VOID FspFileNodeSetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
FileNode->ChangeTime = FileInfo->ChangeTime;
FileNode->InfoExpirationTime = 0 != FileInfoTimeout ?
KeQueryInterruptTime() + FileInfoTimeout : 0;
FileNode->InfoChangeNumber++;
if (0 != CcFileObject)
FileNode->CcStatus = FspCcSetFileSizes(
CcFileObject, (PCC_FILE_SIZES)&FileNode->Header.AllocationSize);
}
BOOLEAN FspFileNodeTrySetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
const FSP_FSCTL_FILE_INFO *FileInfo, ULONG InfoChangeNumber)
{
PAGED_CODE();
if (FileNode->InfoChangeNumber != InfoChangeNumber)
return FALSE;
FspFileNodeSetFileInfo(FileNode, CcFileObject, FileInfo);
return TRUE;
}
NTSTATUS FspFileDescCreate(FSP_FILE_DESC **PFileDesc)
{
PAGED_CODE();

376
src/sys/fileinfo.c
View File

@ -8,25 +8,25 @@
static NTSTATUS FspFsvolQueryAllInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd,
FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response);
const FSP_FSCTL_FILE_INFO *FileInfo);
static NTSTATUS FspFsvolQueryAttributeTagInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd,
FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response);
const FSP_FSCTL_FILE_INFO *FileInfo);
static NTSTATUS FspFsvolQueryBasicInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd,
FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response);
const FSP_FSCTL_FILE_INFO *FileInfo);
static NTSTATUS FspFsvolQueryInternalInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd);
static NTSTATUS FspFsvolQueryNameInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd);
static NTSTATUS FspFsvolQueryNetworkOpenInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd,
FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response);
const FSP_FSCTL_FILE_INFO *FileInfo);
static NTSTATUS FspFsvolQueryPositionInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd);
static NTSTATUS FspFsvolQueryStandardInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd,
FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response);
const FSP_FSCTL_FILE_INFO *FileInfo);
static NTSTATUS FspFsvolQueryInformation(
PDEVICE_OBJECT FsvolDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
FSP_IOCMPL_DISPATCH FspFsvolQueryInformationComplete;
@ -82,58 +82,25 @@ FSP_DRIVER_DISPATCH FspSetInformation;
enum
{
RequestFileNode = 0,
RequestAcquireFlags = 1,
RequestInfoChangeNumber = 1,
};
static NTSTATUS FspFsvolQueryAllInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd,
FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response)
const FSP_FSCTL_FILE_INFO *FileInfo)
{
PAGED_CODE();
PFILE_ALL_INFORMATION Info = (PFILE_ALL_INFORMATION)*PBuffer;
FSP_FILE_NODE *FileNode = FileObject->FsContext;
FSP_FSCTL_FILE_INFO FileInfoBuf;
const FSP_FSCTL_FILE_INFO *FileInfo;
if (0 == Request)
if (0 == FileInfo)
{
if ((PVOID)(Info + 1) > BufferEnd)
return STATUS_BUFFER_TOO_SMALL;
if (!FspFileNodeTryGetFileInfo(FileNode, &FileInfoBuf))
return FSP_STATUS_IOQ_POST;
FileInfo = &FileInfoBuf;
FspFileNodeAcquireShared(FileNode, Full);
return STATUS_SUCCESS;
}
else if (0 == Response)
{
FspFileNodeAcquireShared(FileNode, Full);
FspIopRequestContext(Request, RequestFileNode) = FileNode;
FspIopRequestContext(Request, RequestAcquireFlags) = (PVOID)FspFileNodeAcquireFull;
return FSP_STATUS_IOQ_POST;
}
else
{
FspIopRequestContext(Request, RequestFileNode) = 0;
FileInfo = &Response->Rsp.QueryInformation.FileInfo;
}
Info->StandardInformation.AllocationSize = FileNode->Header.AllocationSize;
Info->StandardInformation.EndOfFile = FileNode->Header.FileSize;
FspFileNodeRelease(FileNode, Pgio);
Info->StandardInformation.NumberOfLinks = 1;
Info->StandardInformation.DeletePending = FileObject->DeletePending;
Info->StandardInformation.Directory = FileNode->IsDirectory;
Info->PositionInformation.CurrentByteOffset = FileObject->CurrentByteOffset;
FspFileNodeRelease(FileNode, Main);
Info->BasicInformation.CreationTime.QuadPart = FileInfo->CreationTime;
Info->BasicInformation.LastAccessTime.QuadPart = FileInfo->LastAccessTime;
@ -142,38 +109,37 @@ static NTSTATUS FspFsvolQueryAllInformation(PFILE_OBJECT FileObject,
Info->BasicInformation.FileAttributes = 0 != FileInfo->FileAttributes ?
FileInfo->FileAttributes : FILE_ATTRIBUTE_NORMAL;
Info->EaInformation.EaSize = 0;
Info->StandardInformation.AllocationSize.QuadPart = FileInfo->AllocationSize;
Info->StandardInformation.EndOfFile.QuadPart = FileInfo->FileSize;
Info->StandardInformation.NumberOfLinks = 1;
Info->StandardInformation.DeletePending = FileObject->DeletePending;
Info->StandardInformation.Directory = FileNode->IsDirectory;
Info->InternalInformation.IndexNumber.QuadPart = FileNode->IndexNumber;
Info->EaInformation.EaSize = 0;
Info->PositionInformation.CurrentByteOffset = FileObject->CurrentByteOffset;
*PBuffer = (PVOID)&Info->NameInformation;
return FspFsvolQueryNameInformation(FileObject, PBuffer, BufferEnd);
}
static NTSTATUS FspFsvolQueryAttributeTagInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd,
FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response)
const FSP_FSCTL_FILE_INFO *FileInfo)
{
PAGED_CODE();
PFILE_ATTRIBUTE_TAG_INFORMATION Info = (PFILE_ATTRIBUTE_TAG_INFORMATION)*PBuffer;
FSP_FILE_NODE *FileNode = FileObject->FsContext;
FSP_FSCTL_FILE_INFO FileInfoBuf;
const FSP_FSCTL_FILE_INFO *FileInfo;
if (0 == Request)
if (0 == FileInfo)
{
if ((PVOID)(Info + 1) > (PVOID)BufferEnd)
if ((PVOID)(Info + 1) > BufferEnd)
return STATUS_BUFFER_TOO_SMALL;
if (!FspFileNodeTryGetFileInfo(FileNode, &FileInfoBuf))
return FSP_STATUS_IOQ_POST;
FileInfo = &FileInfoBuf;
return STATUS_SUCCESS;
}
else if (0 == Response)
return FSP_STATUS_IOQ_POST;
else
FileInfo = &Response->Rsp.QueryInformation.FileInfo;
Info->FileAttributes = 0 != FileInfo->FileAttributes ?
FileInfo->FileAttributes : FILE_ATTRIBUTE_NORMAL;
@ -186,28 +152,19 @@ static NTSTATUS FspFsvolQueryAttributeTagInformation(PFILE_OBJECT FileObject,
static NTSTATUS FspFsvolQueryBasicInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd,
FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response)
const FSP_FSCTL_FILE_INFO *FileInfo)
{
PAGED_CODE();
PFILE_BASIC_INFORMATION Info = (PFILE_BASIC_INFORMATION)*PBuffer;
FSP_FILE_NODE *FileNode = FileObject->FsContext;
FSP_FSCTL_FILE_INFO FileInfoBuf;
const FSP_FSCTL_FILE_INFO *FileInfo;
if (0 == Request)
if (0 == FileInfo)
{
if ((PVOID)(Info + 1) > (PVOID)BufferEnd)
if ((PVOID)(Info + 1) > BufferEnd)
return STATUS_BUFFER_TOO_SMALL;
if (!FspFileNodeTryGetFileInfo(FileNode, &FileInfoBuf))
return FSP_STATUS_IOQ_POST;
FileInfo = &FileInfoBuf;
return STATUS_SUCCESS;
}
else if (0 == Response)
return FSP_STATUS_IOQ_POST;
else
FileInfo = &Response->Rsp.QueryInformation.FileInfo;
Info->CreationTime.QuadPart = FileInfo->CreationTime;
Info->LastAccessTime.QuadPart = FileInfo->LastAccessTime;
@ -229,7 +186,7 @@ static NTSTATUS FspFsvolQueryInternalInformation(PFILE_OBJECT FileObject,
PFILE_INTERNAL_INFORMATION Info = (PFILE_INTERNAL_INFORMATION)*PBuffer;
FSP_FILE_NODE *FileNode = FileObject->FsContext;
if ((PVOID)(Info + 1) > (PVOID)BufferEnd)
if ((PVOID)(Info + 1) > BufferEnd)
return STATUS_BUFFER_TOO_SMALL;
Info->IndexNumber.QuadPart = FileNode->IndexNumber;
@ -252,7 +209,7 @@ static NTSTATUS FspFsvolQueryNameInformation(PFILE_OBJECT FileObject,
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension =
FspFsvolDeviceExtension(FileNode->FsvolDeviceObject);
if ((PVOID)(Info + 1) > (PVOID)BufferEnd)
if ((PVOID)(Info + 1) > BufferEnd)
return STATUS_BUFFER_TOO_SMALL;
Info->FileNameLength = FsvolDeviceExtension->VolumePrefix.Length + FileNode->FileName.Length;
@ -282,46 +239,22 @@ static NTSTATUS FspFsvolQueryNameInformation(PFILE_OBJECT FileObject,
static NTSTATUS FspFsvolQueryNetworkOpenInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd,
FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response)
const FSP_FSCTL_FILE_INFO *FileInfo)
{
PAGED_CODE();
PFILE_NETWORK_OPEN_INFORMATION Info = (PFILE_NETWORK_OPEN_INFORMATION)*PBuffer;
FSP_FILE_NODE *FileNode = FileObject->FsContext;
FSP_FSCTL_FILE_INFO FileInfoBuf;
const FSP_FSCTL_FILE_INFO *FileInfo;
if (0 == Request)
if (0 == FileInfo)
{
if ((PVOID)(Info + 1) > BufferEnd)
return STATUS_BUFFER_TOO_SMALL;
if (!FspFileNodeTryGetFileInfo(FileNode, &FileInfoBuf))
return FSP_STATUS_IOQ_POST;
FileInfo = &FileInfoBuf;
FspFileNodeAcquireShared(FileNode, Full);
}
else if (0 == Response)
{
FspFileNodeAcquireShared(FileNode, Full);
FspIopRequestContext(Request, RequestFileNode) = FileNode;
FspIopRequestContext(Request, RequestAcquireFlags) = (PVOID)FspFileNodeAcquireFull;
return FSP_STATUS_IOQ_POST;
}
else
{
FspIopRequestContext(Request, RequestFileNode) = 0;
FileInfo = &Response->Rsp.QueryInformation.FileInfo;
return STATUS_SUCCESS;
}
Info->AllocationSize = FileNode->Header.AllocationSize;
Info->EndOfFile = FileNode->Header.FileSize;
FspFileNodeRelease(FileNode, Full);
Info->AllocationSize.QuadPart = FileInfo->AllocationSize;
Info->EndOfFile.QuadPart = FileInfo->FileSize;
Info->CreationTime.QuadPart = FileInfo->CreationTime;
Info->LastAccessTime.QuadPart = FileInfo->LastAccessTime;
Info->LastWriteTime.QuadPart = FileInfo->LastWriteTime;
@ -342,7 +275,7 @@ static NTSTATUS FspFsvolQueryPositionInformation(PFILE_OBJECT FileObject,
PFILE_POSITION_INFORMATION Info = (PFILE_POSITION_INFORMATION)*PBuffer;
FSP_FILE_NODE *FileNode = FileObject->FsContext;
if ((PVOID)(Info + 1) > (PVOID)BufferEnd)
if ((PVOID)(Info + 1) > BufferEnd)
return STATUS_BUFFER_TOO_SMALL;
FspFileNodeAcquireShared(FileNode, Main);
@ -358,52 +291,27 @@ static NTSTATUS FspFsvolQueryPositionInformation(PFILE_OBJECT FileObject,
static NTSTATUS FspFsvolQueryStandardInformation(PFILE_OBJECT FileObject,
PVOID *PBuffer, PVOID BufferEnd,
FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response)
const FSP_FSCTL_FILE_INFO *FileInfo)
{
PAGED_CODE();
PFILE_STANDARD_INFORMATION Info = (PFILE_STANDARD_INFORMATION)*PBuffer;
FSP_FILE_NODE *FileNode = FileObject->FsContext;
FSP_FSCTL_FILE_INFO FileInfoBuf;
const FSP_FSCTL_FILE_INFO *FileInfo;
if (0 == Request)
if (0 == FileInfo)
{
if ((PVOID)(Info + 1) > BufferEnd)
return STATUS_BUFFER_TOO_SMALL;
if (!FspFileNodeTryGetFileInfo(FileNode, &FileInfoBuf))
return FSP_STATUS_IOQ_POST;
FileInfo = &FileInfoBuf;
FspFileNodeAcquireShared(FileNode, Full);
}
else if (0 == Response)
{
FspFileNodeAcquireShared(FileNode, Full);
FspIopRequestContext(Request, RequestFileNode) = FileNode;
FspIopRequestContext(Request, RequestAcquireFlags) = (PVOID)FspFileNodeAcquireFull;
return FSP_STATUS_IOQ_POST;
}
else
{
FspIopRequestContext(Request, RequestFileNode) = 0;
FileInfo = &Response->Rsp.QueryInformation.FileInfo;
return STATUS_SUCCESS;
}
Info->AllocationSize = FileNode->Header.AllocationSize;
Info->EndOfFile = FileNode->Header.FileSize;
FspFileNodeRelease(FileNode, Pgio);
Info->AllocationSize.QuadPart = FileInfo->AllocationSize;
Info->EndOfFile.QuadPart = FileInfo->FileSize;
Info->NumberOfLinks = 1;
Info->DeletePending = FileObject->DeletePending;
Info->Directory = FileNode->IsDirectory;
FspFileNodeRelease(FileNode, Main);
*PBuffer = (PVOID)(Info + 1);
return STATUS_SUCCESS;
@ -421,91 +329,80 @@ static NTSTATUS FspFsvolQueryInformation(
NTSTATUS Result;
FILE_INFORMATION_CLASS FileInformationClass = IrpSp->Parameters.QueryFile.FileInformationClass;
PFILE_OBJECT FileObject = IrpSp->FileObject;
PVOID Buffer = Irp->AssociatedIrp.SystemBuffer;
PVOID BufferEnd = (PUINT8)Buffer + IrpSp->Parameters.QueryFile.Length;
switch (FileInformationClass)
{
case FileAllInformation:
Result = FspFsvolQueryAllInformation(FileObject, &Buffer, BufferEnd, 0, 0);
break;
case FileAttributeTagInformation:
Result = FspFsvolQueryAttributeTagInformation(FileObject, &Buffer, BufferEnd, 0, 0);
break;
case FileBasicInformation:
Result = FspFsvolQueryBasicInformation(FileObject, &Buffer, BufferEnd, 0, 0);
break;
case FileCompressionInformation:
Result = STATUS_INVALID_PARAMETER; /* no compression support */
break;
case FileEaInformation:
Result = STATUS_INVALID_PARAMETER; /* no EA support currently */
break;
case FileHardLinkInformation:
Result = STATUS_INVALID_PARAMETER; /* no hard link support */
break;
case FileInternalInformation:
Result = FspFsvolQueryInternalInformation(FileObject, &Buffer, BufferEnd);
break;
case FileNameInformation:
Result = FspFsvolQueryNameInformation(FileObject, &Buffer, BufferEnd);
break;
case FileNetworkOpenInformation:
Result = FspFsvolQueryNetworkOpenInformation(FileObject, &Buffer, BufferEnd, 0, 0);
break;
case FilePositionInformation:
Result = FspFsvolQueryPositionInformation(FileObject, &Buffer, BufferEnd);
break;
case FileStandardInformation:
Result = FspFsvolQueryStandardInformation(FileObject, &Buffer, BufferEnd, 0, 0);
break;
case FileStreamInformation:
Result = STATUS_INVALID_PARAMETER; /* !!!: no stream support yet! */
break;
default:
Result = STATUS_INVALID_PARAMETER;
break;
}
if (FSP_STATUS_IOQ_POST != Result)
{
Irp->IoStatus.Information = (UINT_PTR)((PUINT8)Buffer - (PUINT8)Irp->AssociatedIrp.SystemBuffer);
return Result;
}
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);
BOOLEAN FileNameRequired = 0 != FsvolDeviceExtension->VolumeParams.FileNameRequired;
FSP_FILE_NODE *FileNode = FileObject->FsContext;
FSP_FILE_DESC *FileDesc = FileObject->FsContext2;
FSP_FSCTL_TRANSACT_REQ *Request;
PVOID Buffer = Irp->AssociatedIrp.SystemBuffer;
PVOID BufferEnd = (PUINT8)Buffer + IrpSp->Parameters.QueryFile.Length;
FSP_FSCTL_FILE_INFO FileInfoBuf;
ASSERT(FileNode == FileDesc->FileNode);
Result = FspIopCreateRequestEx(Irp, FileNameRequired ? &FileNode->FileName : 0, 0,
FspFsvolInformationRequestFini, &Request);
if (!NT_SUCCESS(Result))
return Result;
Request->Kind = FspFsctlTransactQueryInformationKind;
Request->Req.QueryInformation.UserContext = FileNode->UserContext;
Request->Req.QueryInformation.UserContext2 = FileDesc->UserContext2;
switch (FileInformationClass)
{
case FileAllInformation:
Result = FspFsvolQueryAllInformation(FileObject, &Buffer, BufferEnd, Request, 0);
Result = FspFsvolQueryAllInformation(FileObject, &Buffer, BufferEnd, 0);
break;
case FileAttributeTagInformation:
Result = FspFsvolQueryAttributeTagInformation(FileObject, &Buffer, BufferEnd, Request, 0);
Result = FspFsvolQueryAttributeTagInformation(FileObject, &Buffer, BufferEnd, 0);
break;
case FileBasicInformation:
Result = FspFsvolQueryBasicInformation(FileObject, &Buffer, BufferEnd, Request, 0);
Result = FspFsvolQueryBasicInformation(FileObject, &Buffer, BufferEnd, 0);
break;
case FileCompressionInformation:
Result = STATUS_INVALID_PARAMETER; /* no compression support */
return Result;
case FileEaInformation:
Result = STATUS_INVALID_PARAMETER; /* no EA support currently */
return Result;
case FileHardLinkInformation:
Result = STATUS_INVALID_PARAMETER; /* no hard link support */
return Result;
case FileInternalInformation:
Result = FspFsvolQueryInternalInformation(FileObject, &Buffer, BufferEnd);
return Result;
case FileNameInformation:
Result = FspFsvolQueryNameInformation(FileObject, &Buffer, BufferEnd);
return Result;
case FileNetworkOpenInformation:
Result = FspFsvolQueryNetworkOpenInformation(FileObject, &Buffer, BufferEnd, 0);
break;
case FilePositionInformation:
Result = FspFsvolQueryPositionInformation(FileObject, &Buffer, BufferEnd);
return Result;
case FileStandardInformation:
Result = FspFsvolQueryStandardInformation(FileObject, &Buffer, BufferEnd, 0);
break;
case FileStreamInformation:
Result = STATUS_INVALID_PARAMETER; /* !!!: no stream support yet! */
return Result;
default:
Result = STATUS_INVALID_PARAMETER;
return Result;
}
if (!NT_SUCCESS(Result))
return Result;
FspFileNodeAcquireShared(FileNode, Main);
if (FspFileNodeTryGetFileInfo(FileNode, &FileInfoBuf))
{
FspFileNodeRelease(FileNode, Main);
switch (FileInformationClass)
{
case FileAllInformation:
Result = FspFsvolQueryAllInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
break;
case FileAttributeTagInformation:
Result = FspFsvolQueryAttributeTagInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
break;
case FileBasicInformation:
Result = FspFsvolQueryBasicInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
break;
case FileNetworkOpenInformation:
Result = FspFsvolQueryNetworkOpenInformation(FileObject, &Buffer, BufferEnd, Request, 0);
Result = FspFsvolQueryNetworkOpenInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
break;
case FileStandardInformation:
Result = FspFsvolQueryStandardInformation(FileObject, &Buffer, BufferEnd, Request, 0);
Result = FspFsvolQueryStandardInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
break;
default:
ASSERT(0);
@ -513,9 +410,34 @@ static NTSTATUS FspFsvolQueryInformation(
break;
}
Irp->IoStatus.Information = (UINT_PTR)((PUINT8)Buffer - (PUINT8)Irp->AssociatedIrp.SystemBuffer);
return Result;
}
FspFileNodeAcquireShared(FileNode, Pgio);
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);
BOOLEAN FileNameRequired = 0 != FsvolDeviceExtension->VolumeParams.FileNameRequired;
FSP_FSCTL_TRANSACT_REQ *Request;
Result = FspIopCreateRequestEx(Irp, FileNameRequired ? &FileNode->FileName : 0, 0,
FspFsvolInformationRequestFini, &Request);
if (!NT_SUCCESS(Result))
{
FspFileNodeRelease(FileNode, Full);
return Result;
}
Request->Kind = FspFsctlTransactQueryInformationKind;
Request->Req.QueryInformation.UserContext = FileNode->UserContext;
Request->Req.QueryInformation.UserContext2 = FileDesc->UserContext2;
FspFileNodeSetOwner(FileNode, Full, Request);
FspIopRequestContext(Request, RequestFileNode) = FileNode;
return FSP_STATUS_IOQ_POST;
}
NTSTATUS FspFsvolQueryInformationComplete(
PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response)
{
@ -523,7 +445,7 @@ NTSTATUS FspFsvolQueryInformationComplete(
if (!NT_SUCCESS(Response->IoStatus.Status))
{
Irp->IoStatus.Information = Response->IoStatus.Information;
Irp->IoStatus.Information = 0;
Result = Response->IoStatus.Status;
FSP_RETURN();
}
@ -534,25 +456,47 @@ NTSTATUS FspFsvolQueryInformationComplete(
PVOID Buffer = Irp->AssociatedIrp.SystemBuffer;
PVOID BufferEnd = (PUINT8)Buffer + IrpSp->Parameters.QueryFile.Length;
FSP_FSCTL_TRANSACT_REQ *Request = FspIrpRequest(Irp);
FSP_FSCTL_FILE_INFO FileInfoBuf;
const FSP_FSCTL_FILE_INFO *FileInfo;
FspFileNodeSetFileInfo(FileNode, &Response->Rsp.QueryInformation.FileInfo);
if (0 != FspIopRequestContext(Request, RequestFileNode))
{
FspIopRequestContext(Request, RequestInfoChangeNumber) = (PVOID)FileNode->InfoChangeNumber;
FspIopRequestContext(Request, RequestFileNode) = 0;
FspFileNodeReleaseOwner(FileNode, Full, Request);
}
if (!FspFileNodeTryAcquireExclusive(FileNode, Main))
FspIopRetryCompleteIrp(Irp, Response, &Result);
if (!FspFileNodeTrySetFileInfo(FileNode, FileObject, &Response->Rsp.QueryInformation.FileInfo,
(ULONG)(UINT_PTR)FspIopRequestContext(Request, RequestInfoChangeNumber)))
{
FspFileNodeGetFileInfo(FileNode, &FileInfoBuf);
FileInfo = &FileInfoBuf;
}
else
FileInfo = &Response->Rsp.QueryInformation.FileInfo;
FspFileNodeRelease(FileNode, Main);
switch (FileInformationClass)
{
case FileAllInformation:
Result = FspFsvolQueryAllInformation(FileObject, &Buffer, BufferEnd, Request, Response);
Result = FspFsvolQueryAllInformation(FileObject, &Buffer, BufferEnd, FileInfo);
break;
case FileAttributeTagInformation:
Result = FspFsvolQueryAttributeTagInformation(FileObject, &Buffer, BufferEnd, Request, Response);
Result = FspFsvolQueryAttributeTagInformation(FileObject, &Buffer, BufferEnd, FileInfo);
break;
case FileBasicInformation:
Result = FspFsvolQueryBasicInformation(FileObject, &Buffer, BufferEnd, Request, Response);
Result = FspFsvolQueryBasicInformation(FileObject, &Buffer, BufferEnd, FileInfo);
break;
case FileNetworkOpenInformation:
Result = FspFsvolQueryNetworkOpenInformation(FileObject, &Buffer, BufferEnd, Request, Response);
Result = FspFsvolQueryNetworkOpenInformation(FileObject, &Buffer, BufferEnd, FileInfo);
break;
case FileStandardInformation:
Result = FspFsvolQueryStandardInformation(FileObject, &Buffer, BufferEnd, Request, Response);
Result = FspFsvolQueryStandardInformation(FileObject, &Buffer, BufferEnd, FileInfo);
break;
default:
ASSERT(0);
@ -560,9 +504,6 @@ NTSTATUS FspFsvolQueryInformationComplete(
break;
}
ASSERT(FSP_STATUS_IOQ_POST != Result);
if (STATUS_PENDING != Result)
Irp->IoStatus.Information = (UINT_PTR)((PUINT8)Buffer - (PUINT8)Irp->AssociatedIrp.SystemBuffer);
FSP_LEAVE_IOC("%s, FileObject=%p",
@ -570,6 +511,7 @@ NTSTATUS FspFsvolQueryInformationComplete(
IrpSp->FileObject);
}
#if 0
static NTSTATUS FspFsvolSetAllocationInformation(PFILE_OBJECT FileObject,
PVOID Buffer, ULONG Length,
FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response)
@ -664,12 +606,14 @@ static NTSTATUS FspFsvolSetRenameInformation(PFILE_OBJECT FileObject,
return STATUS_INVALID_DEVICE_REQUEST;
}
#endif
static NTSTATUS FspFsvolSetInformation(
PDEVICE_OBJECT FsvolDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
{
PAGED_CODE();
#if 0
/* is this a valid FileObject? */
if (!FspFileNodeIsValid(IrpSp->FileObject->FsContext))
return STATUS_INVALID_DEVICE_REQUEST;
@ -730,6 +674,9 @@ static NTSTATUS FspFsvolSetInformation(
}
return Result;
#else
return STATUS_INVALID_DEVICE_REQUEST;
#endif
}
NTSTATUS FspFsvolSetInformationComplete(
@ -737,6 +684,7 @@ NTSTATUS FspFsvolSetInformationComplete(
{
FSP_ENTER_IOC(PAGED_CODE());
#if 0
if (!NT_SUCCESS(Response->IoStatus.Status))
{
Irp->IoStatus.Information = Response->IoStatus.Information;
@ -788,23 +736,21 @@ NTSTATUS FspFsvolSetInformationComplete(
ASSERT(FSP_STATUS_IOQ_POST != Result);
Irp->IoStatus.Information = 0;
#endif
FSP_LEAVE_IOC("%s, FileObject=%p",
FileInformationClassSym(IrpSp->Parameters.SetFile.FileInformationClass),
IrpSp->FileObject);
}
static VOID FspFsvolInformationRequestFini(PVOID Context[3])
static VOID FspFsvolInformationRequestFini(FSP_FSCTL_TRANSACT_REQ *Request, PVOID Context[3])
{
PAGED_CODE();
FSP_FILE_NODE *FileNode = Context[RequestFileNode];
ULONG AcquireFlags = (ULONG)(UINT_PTR)Context[RequestAcquireFlags];
if (0 != FileNode)
FspFileNodeReleaseF(FileNode, AcquireFlags);
Context[RequestFileNode] = Context[RequestAcquireFlags] = 0;
FspFileNodeReleaseOwner(FileNode, Full, Request);
}
NTSTATUS FspQueryInformation(