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sys: IRP_MJ_SET_INFORMATION

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This commit is contained in:
Bill Zissimopoulos
2016-02-05 18:30:34 -08:00
parent dc77a1109f
commit 66f54294a2
6 changed files with 253 additions and 16 deletions
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10
src/sys/create.c
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@ -116,7 +116,8 @@ static NTSTATUS FspFsvolCreate(
USHORT FileAttributes = IrpSp->Parameters.Create.FileAttributes;
PSECURITY_DESCRIPTOR SecurityDescriptor = AccessState->SecurityDescriptor;
ULONG SecurityDescriptorSize = 0;
LARGE_INTEGER AllocationSize = Irp->Overlay.AllocationSize;
UINT64 AllocationSize = Irp->Overlay.AllocationSize.QuadPart;
UINT64 AllocationUnit;
ACCESS_MASK DesiredAccess = IrpSp->Parameters.Create.SecurityContext->DesiredAccess;
USHORT ShareAccess = IrpSp->Parameters.Create.ShareAccess;
PFILE_FULL_EA_INFORMATION EaBuffer = Irp->AssociatedIrp.SystemBuffer;
@ -156,6 +157,11 @@ static NTSTATUS FspFsvolCreate(
SecurityDescriptorSize = RtlLengthSecurityDescriptor(SecurityDescriptor);
}
/* align allocation size */
AllocationUnit = FsvolDeviceExtension->VolumeParams.SectorSize *
FsvolDeviceExtension->VolumeParams.SectorsPerAllocationUnit;
AllocationSize = (AllocationSize + AllocationUnit - 1) / AllocationUnit * AllocationUnit;
/* according to fastfat, filenames that begin with two backslashes are ok */
if (sizeof(WCHAR) * 2 <= FileName.Length &&
L'\\' == FileName.Buffer[1] && L'\\' == FileName.Buffer[0])
@ -323,7 +329,7 @@ static NTSTATUS FspFsvolCreate(
Request->Req.Create.SecurityDescriptor.Offset = 0 == SecurityDescriptorSize ? 0 :
FSP_FSCTL_DEFAULT_ALIGN_UP(Request->FileName.Size);
Request->Req.Create.SecurityDescriptor.Size = (UINT16)SecurityDescriptorSize;
Request->Req.Create.AllocationSize = AllocationSize.QuadPart;
Request->Req.Create.AllocationSize = AllocationSize;
Request->Req.Create.AccessToken = 0;
Request->Req.Create.DesiredAccess = DesiredAccess;
Request->Req.Create.ShareAccess = ShareAccess;