Function Ex2ProcessMountPoint

Ext4Fsd/devctl.c:695–753

}

NTSTATUS
Ex2ProcessMountPoint(
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_MOUNT_POINT    MountPoint,
    IN ULONG                Length
)
{
    UNICODE_STRING  Link;
    UNICODE_STRING  Target;
    WCHAR           Buffer[] = L"\\DosDevices\\Global\\Z:";
    NTSTATUS        status = STATUS_SUCCESS;

    PDEVICE_OBJECT  DeviceObject = NULL;

    __try {

        ASSERT(IrpContext != NULL);
        ASSERT((IrpContext->Identifier.Type == EXT2ICX) &&
               (IrpContext->Identifier.Size == sizeof(EXT2_IRP_CONTEXT)));

        DeviceObject = IrpContext->DeviceObject;
        if (!IsExt2FsDevice(DeviceObject)) {
            status = STATUS_INVALID_PARAMETER;
            __leave;
        }

        if (Length != sizeof(EXT2_MOUNT_POINT) ||
            MountPoint->Magic != EXT2_APP_MOUNTPOINT_MAGIC) {
            status = STATUS_INVALID_PARAMETER;
            __leave;
        }

        RtlInitUnicodeString(&Link, Buffer);
        Buffer[12] = MountPoint->Link[0];

        switch (MountPoint->Command) {

        case APP_CMD_ADD_DOS_SYMLINK:
            RtlInitUnicodeString(&Target, &MountPoint->Name[0]);
            status = IoCreateSymbolicLink(&Link, &Target);
            break;

        case APP_CMD_DEL_DOS_SYMLINK:
            status = IoDeleteSymbolicLink(&Link);
            break;

        default:
            status = STATUS_INVALID_PARAMETER;
        }

    } __finally {

        if (!IrpContext->ExceptionInProgress) {
            Ext2CompleteIrpContext(IrpContext, status);
        }
    }

    return status;