Public/winfsp
1
0
Fork 0
mirror of https://github.com/winfsp/winfsp.git synced 2025-04-23 00:43:00 -05:00
Code Issues Packages Projects Releases Wiki Activity

sys: IRP_MJ_CREATE

Browse Source
This commit is contained in:
Bill Zissimopoulos 2015-12-06 00:37:53 -08:00
parent c86c88d15a
commit 5e17f319c9
2 changed files with 16 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/sys/create.c
View File

@ -368,6 +368,7 @@ VOID FspFsvolCreateComplete(
ULONG SecurityDescriptorSize; ULONG SecurityDescriptorSize;
UNICODE_STRING ReparseFileName; UNICODE_STRING ReparseFileName;
ACCESS_MASK DesiredAccess = IrpSp->Parameters.Create.SecurityContext->DesiredAccess; ACCESS_MASK DesiredAccess = IrpSp->Parameters.Create.SecurityContext->DesiredAccess;
PPRIVILEGE_SET Privileges = 0;
USHORT ShareAccess = IrpSp->Parameters.Create.ShareAccess; USHORT ShareAccess = IrpSp->Parameters.Create.ShareAccess;
ULONG Flags = IrpSp->Flags; ULONG Flags = IrpSp->Flags;
KPROCESSOR_MODE RequestorMode = KPROCESSOR_MODE RequestorMode =
@ -458,7 +459,7 @@ VOID FspFsvolCreateComplete(
FALSE, FALSE,
DesiredAccess, DesiredAccess,
AccessState->PreviouslyGrantedAccess, AccessState->PreviouslyGrantedAccess,
0, &Privileges,
IoGetFileObjectGenericMapping(), IoGetFileObjectGenericMapping(),
RequestorMode, RequestorMode,
&GrantedAccess, &GrantedAccess,
@ -468,6 +469,17 @@ VOID FspFsvolCreateComplete(
FSP_RETURN(); FSP_RETURN();
} }
if (0 != Privileges)
{
Result = SeAppendPrivileges(AccessState, Privileges);
SeFreePrivileges(Privileges);
if (!NT_SUCCESS(Result))
{
FspFsvolCreateClose(Irp, Response);
FSP_RETURN();
}
}
SetFlag(AccessState->PreviouslyGrantedAccess, GrantedAccess); SetFlag(AccessState->PreviouslyGrantedAccess, GrantedAccess);
ClearFlag(AccessState->RemainingDesiredAccess, GrantedAccess); ClearFlag(AccessState->RemainingDesiredAccess, GrantedAccess);
} }

3
src/sys/device.c
View File

@ -226,6 +226,8 @@ static VOID FspFsvolDeviceFini(PDEVICE_OBJECT DeviceObject)
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject); FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject);
#if 0
/* FspFsvolDeviceFreeElement is now a no-op, so this is no longer necessary */
/* /*
* Enumerate and delete all entries in the GenericTable. * Enumerate and delete all entries in the GenericTable.
* There is no need to protect accesses to the table as we are in the device destructor. * There is no need to protect accesses to the table as we are in the device destructor.
@ -233,6 +235,7 @@ static VOID FspFsvolDeviceFini(PDEVICE_OBJECT DeviceObject)
FSP_DEVICE_GENERIC_TABLE_ELEMENT_DATA *Element; FSP_DEVICE_GENERIC_TABLE_ELEMENT_DATA *Element;
while (0 != (Element = RtlGetElementGenericTableAvl(&FsvolDeviceExtension->GenericTable, 0))) while (0 != (Element = RtlGetElementGenericTableAvl(&FsvolDeviceExtension->GenericTable, 0)))
RtlDeleteElementGenericTableAvl(&FsvolDeviceExtension->GenericTable, &Element->Identifier); RtlDeleteElementGenericTableAvl(&FsvolDeviceExtension->GenericTable, &Element->Identifier);
#endif
/* /*
* Dereference the virtual volume device so that it can now go away. * Dereference the virtual volume device so that it can now go away.