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Windows Driver: Modify fix for CVE-2015-7358 to solve side effects on Windows mount manager while still making it hard to abuse drive letter handling.

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This commit is contained in:
Mounir IDRASSI
2015-10-05 03:22:11 +02:00
parent ea451c7241
commit c94f8c9b63
3 changed files with 43 additions and 16 deletions
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9
src/Driver/Ntdriver.h
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@@ -101,6 +101,11 @@ typedef enum
ValidateInputOutput
} ValidateIOBufferSizeType;
typedef enum
{
DeviceNamespaceDefault,
DeviceNamespaceGlobal,
} DeviceNamespaceType;
extern PDRIVER_OBJECT TCDriverObject;
extern PDEVICE_OBJECT RootDeviceObject;
@@ -133,7 +138,7 @@ void TCStopVolumeThread (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension);
VOID VolumeThreadProc (PVOID Context);
void TCSleep (int milliSeconds);
void TCGetNTNameFromNumber (LPWSTR ntname, int cbNtName, int nDriveNo);
void TCGetDosNameFromNumber (LPWSTR dosname, int cbDosName, int nDriveNo);
void TCGetDosNameFromNumber (LPWSTR dosname, int cbDosName, int nDriveNo, DeviceNamespaceType namespaceType);
LPWSTR TCTranslateCode (ULONG ulCode);
void TCDeleteDeviceObject (PDEVICE_OBJECT DeviceObject, PEXTENSION Extension);
VOID TCUnloadDriver (PDRIVER_OBJECT DriverObject);
@@ -161,7 +166,7 @@ BOOL UserCanAccessDriveDevice ();
size_t GetCpuCount ();
void EnsureNullTerminatedString (wchar_t *str, size_t maxSizeInBytes);
void *AllocateMemoryWithTimeout (size_t size, int retryDelay, int timeout);
BOOL IsDriveLetterAvailable (int nDosDriveNo);
BOOL IsDriveLetterAvailable (int nDosDriveNo, DeviceNamespaceType namespaceType);
NTSTATUS TCReadRegistryKey (PUNICODE_STRING keyPath, wchar_t *keyValueName, PKEY_VALUE_PARTIAL_INFORMATION *keyData);
NTSTATUS TCWriteRegistryKey (PUNICODE_STRING keyPath, wchar_t *keyValueName, ULONG keyValueType, void *valueData, ULONG valueSize);
BOOL IsVolumeClassFilterRegistered ();