Public/winfsp
1
0
Fork 0
mirror of https://github.com/winfsp/winfsp.git synced 2025-07-03 09:22:57 -05:00
Code Issues Packages Projects Releases Wiki Activity

sys,dll,inc: FSP_IOCTL_TRANSACT

Browse Source
This commit is contained in:
Bill Zissimopoulos
2022-05-16 21:40:01 +01:00
parent 9c1a7fb40b
commit 43af829d46
9 changed files with 977 additions and 876 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
src/sys/volume.c
View File

@ -764,12 +764,24 @@ NTSTATUS FspVolumeTransact(
{
PAGED_CODE();
ASSERT(IRP_MJ_FILE_SYSTEM_CONTROL == IrpSp->MajorFunction);
ASSERT(IRP_MN_USER_FS_REQUEST == IrpSp->MinorFunction);
ASSERT(
FSP_FSCTL_TRANSACT == IrpSp->Parameters.FileSystemControl.FsControlCode ||
FSP_FSCTL_TRANSACT_BATCH == IrpSp->Parameters.FileSystemControl.FsControlCode ||
FSP_FSCTL_TRANSACT_INTERNAL == IrpSp->Parameters.FileSystemControl.FsControlCode);
(
IRP_MJ_FILE_SYSTEM_CONTROL == IrpSp->MajorFunction &&
IRP_MN_USER_FS_REQUEST == IrpSp->MinorFunction &&
(
FSP_FSCTL_TRANSACT == IrpSp->Parameters.FileSystemControl.FsControlCode ||
FSP_FSCTL_TRANSACT_BATCH == IrpSp->Parameters.FileSystemControl.FsControlCode ||
FSP_FSCTL_TRANSACT_INTERNAL == IrpSp->Parameters.FileSystemControl.FsControlCode
)
) ||
(
IRP_MJ_DEVICE_CONTROL == IrpSp->MajorFunction &&
(
FSP_IOCTL_TRANSACT == IrpSp->Parameters.FileSystemControl.FsControlCode ||
FSP_IOCTL_TRANSACT_BATCH == IrpSp->Parameters.FileSystemControl.FsControlCode ||
FSP_IOCTL_TRANSACT_INTERNAL == IrpSp->Parameters.FileSystemControl.FsControlCode
)
));
ASSERT(0 != IrpSp->FileObject->FsContext2);
/* check parameters */
@ -779,7 +791,7 @@ NTSTATUS FspVolumeTransact(
ULONG OutputBufferLength = IrpSp->Parameters.FileSystemControl.OutputBufferLength;
PVOID InputBuffer = 0;
PVOID OutputBuffer = 0;
if (FSP_FSCTL_TRANSACT_INTERNAL == ControlCode)
if (0x800 + 'I' /*FSP_xxCTL_TRANSACT_INTERNAL*/ == ((ControlCode >> 2) & 0xfff))
{
InputBuffer = IrpSp->Parameters.FileSystemControl.Type3InputBuffer;
if (KernelMode != Irp->RequestorMode)
@ -796,9 +808,9 @@ NTSTATUS FspVolumeTransact(
FSP_FSCTL_DEFAULT_ALIGN_UP(sizeof(FSP_FSCTL_TRANSACT_RSP)) > InputBufferLength)
return STATUS_INVALID_PARAMETER;
if (0 != OutputBufferLength &&
((FSP_FSCTL_TRANSACT == ControlCode &&
((0x800 + 'T' /*FSP_xxCTL_TRANSACT*/ == ((ControlCode >> 2) & 0xfff) &&
FSP_FSCTL_TRANSACT_BUFFER_SIZEMIN > OutputBufferLength) ||
(FSP_FSCTL_TRANSACT_BATCH == ControlCode &&
(0x800 + 't' /*FSP_xxCTL_TRANSACT_BATCH*/ == ((ControlCode >> 2) & 0xfff) &&
FSP_FSCTL_TRANSACT_BATCH_BUFFER_SIZEMIN > OutputBufferLength)))
return STATUS_BUFFER_TOO_SMALL;
}