diff options
Diffstat (limited to '')
-rw-r--r-- | driver/wintun.c | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/driver/wintun.c b/driver/wintun.c index d3f2bd9..68037cd 100644 --- a/driver/wintun.c +++ b/driver/wintun.c @@ -184,7 +184,15 @@ static NDIS_HANDLE NdisMiniportDriverHandle; static DRIVER_DISPATCH *NdisDispatchDeviceControl, *NdisDispatchClose; static ERESOURCE TunDispatchCtxGuard, TunDispatchDeviceListLock; static RTL_STATIC_LIST_HEAD(TunDispatchDeviceList); -static SECURITY_DESCRIPTOR *TunDispatchSecurityDescriptor; +/* Binary representation of O:SYD:P(A;;FA;;;SY)(A;;FA;;;BA)S:(ML;;NWNRNX;;;HI) */ +static SECURITY_DESCRIPTOR *TunDispatchSecurityDescriptor = (SECURITY_DESCRIPTOR *)(__declspec(align(8)) UCHAR[]){ + 0x01, 0x00, 0x14, 0x90, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, + 0x00, 0x02, 0x00, 0x1c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x11, 0x00, 0x14, 0x00, 0x07, 0x00, 0x00, 0x00, 0x01, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x30, 0x00, 0x00, 0x02, 0x00, 0x34, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x14, 0x00, 0xff, 0x01, 0x1f, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x12, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x18, 0x00, 0xff, 0x01, 0x1f, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x20, 0x00, 0x00, + 0x00, 0x20, 0x02, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x12, 0x00, 0x00, 0x00 +}; _IRQL_requires_max_(DISPATCH_LEVEL) static VOID @@ -836,19 +844,6 @@ cleanup: return DidClose; } -_Must_inspect_result_ -static NTSTATUS TunInitializeDispatchSecurityDescriptor(VOID); -#ifdef ALLOC_PRAGMA -# pragma alloc_text(INIT, TunInitializeDispatchSecurityDescriptor) -#endif -_Use_decl_annotations_ -static NTSTATUS TunInitializeDispatchSecurityDescriptor(VOID) -{ - UNICODE_STRING Sddl; - RtlInitUnicodeString(&Sddl, L"O:SYD:P(A;;FA;;;SY)(A;;FA;;;BA)S:(ML;;NWNRNX;;;HI)"); - return SeSddlSecurityDescriptorFromSDDL(&Sddl, FALSE, &TunDispatchSecurityDescriptor); -} - _IRQL_requires_max_(PASSIVE_LEVEL) static VOID TunProcessNotification(HANDLE ParentId, HANDLE ProcessId, BOOLEAN Create) @@ -1416,7 +1411,6 @@ TunUnload(PDRIVER_OBJECT DriverObject) NdisMDeregisterMiniportDriver(NdisMiniportDriverHandle); ExDeleteResourceLite(&TunDispatchCtxGuard); ExDeleteResourceLite(&TunDispatchDeviceListLock); - ExFreePool(TunDispatchSecurityDescriptor); } DRIVER_INITIALIZE DriverEntry; @@ -1435,8 +1429,6 @@ DriverEntry(DRIVER_OBJECT *DriverObject, UNICODE_STRING *RegistryPath) if (NdisVersion > NDIS_MINIPORT_VERSION_MAX) NdisVersion = NDIS_MINIPORT_VERSION_MAX; - if (!NT_SUCCESS(Status = TunInitializeDispatchSecurityDescriptor())) - return Status; ExInitializeResourceLite(&TunDispatchCtxGuard); ExInitializeResourceLite(&TunDispatchDeviceListLock); @@ -1492,6 +1484,5 @@ cleanupNotifier: cleanupResources: ExDeleteResourceLite(&TunDispatchCtxGuard); ExDeleteResourceLite(&TunDispatchDeviceListLock); - ExFreePool(TunDispatchSecurityDescriptor); return Status; } |