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authorMounir IDRASSI <mounir.idrassi@idrix.fr>2013-06-22 14:16:13 (GMT)
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2014-11-08 22:18:07 (GMT)
commitc606f0866c3a2a5db3ef9bc41738ef33eb9612a9 (patch)
tree5847c644cdfff3c1dd55b88b565448087ae89f11 /src/Common/BaseCom.h
downloadVeraCrypt-c606f0866c3a2a5db3ef9bc41738ef33eb9612a9.zip
VeraCrypt-c606f0866c3a2a5db3ef9bc41738ef33eb9612a9.tar.gz
Add original TrueCrypt 7.1a sources
Diffstat (limited to 'src/Common/BaseCom.h')
-rw-r--r--src/Common/BaseCom.h115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/Common/BaseCom.h b/src/Common/BaseCom.h
new file mode 100644
index 0000000..d589d3d
--- /dev/null
+++ b/src/Common/BaseCom.h
@@ -0,0 +1,115 @@
+/*
+ Copyright (c) 2007-2010 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#ifndef TC_HEADER_BASE_COM
+#define TC_HEADER_BASE_COM
+
+#include <guiddef.h>
+
+template <class TClass>
+class TrueCryptFactory : public IClassFactory
+{
+
+public:
+ TrueCryptFactory (DWORD messageThreadId) :
+ RefCount (1), ServerLockCount (0), MessageThreadId (messageThreadId) { }
+
+ ~TrueCryptFactory () { }
+
+ virtual ULONG STDMETHODCALLTYPE AddRef ()
+ {
+ return InterlockedIncrement (&RefCount) - 1;
+ }
+
+ virtual ULONG STDMETHODCALLTYPE Release ()
+ {
+ ULONG r = InterlockedDecrement (&RefCount) + 1;
+
+ if (r == 0)
+ delete this;
+
+ return r;
+ }
+
+ virtual HRESULT STDMETHODCALLTYPE QueryInterface (REFIID riid, void **ppvObject)
+ {
+ if (riid == IID_IUnknown || riid == IID_IClassFactory)
+ *ppvObject = this;
+ else
+ {
+ *ppvObject = NULL;
+ return E_NOINTERFACE;
+ }
+
+ AddRef ();
+ return S_OK;
+ }
+
+ virtual HRESULT STDMETHODCALLTYPE CreateInstance (IUnknown *pUnkOuter, REFIID riid, void **ppvObject)
+ {
+ if (pUnkOuter != NULL)
+ return CLASS_E_NOAGGREGATION;
+
+ TClass *tc = new TClass (MessageThreadId);
+ if (tc == NULL)
+ return E_OUTOFMEMORY;
+
+ HRESULT hr = tc->QueryInterface (riid, ppvObject);
+
+ if (hr)
+ delete tc;
+
+ return hr;
+ }
+
+ virtual HRESULT STDMETHODCALLTYPE LockServer (BOOL fLock)
+ {
+ if (fLock)
+ {
+ InterlockedIncrement (&ServerLockCount);
+ }
+ else
+ {
+ if (!InterlockedDecrement (&ServerLockCount))
+ PostThreadMessage (MessageThreadId, WM_APP, 0, 0);
+ }
+
+ return S_OK;
+ }
+
+ virtual bool IsServerLocked ()
+ {
+ return ServerLockCount > 0;
+ }
+
+protected:
+ DWORD MessageThreadId;
+ LONG RefCount;
+ LONG ServerLockCount;
+};
+
+
+class BaseCom
+{
+public:
+ static DWORD CallDriver (DWORD ioctl, BSTR input, BSTR *output);
+ static DWORD CopyFile (BSTR sourceFile, BSTR destinationFile);
+ static DWORD DeleteFile (BSTR file);
+ static BOOL IsPagingFileActive (BOOL checkNonWindowsPartitionsOnly);
+ static DWORD ReadWriteFile (BOOL write, BOOL device, BSTR filePath, BSTR *bufferBstr, unsigned __int64 offset, unsigned __int32 size, DWORD *sizeDone);
+ static DWORD RegisterFilterDriver (BOOL registerDriver, int filterType);
+ static DWORD RegisterSystemFavoritesService (BOOL registerService);
+ static DWORD SetDriverServiceStartType (DWORD startType);
+ static DWORD WriteLocalMachineRegistryDwordValue (BSTR keyPath, BSTR valueName, DWORD value);
+};
+
+
+BOOL ComGetInstanceBase (HWND hWnd, REFCLSID clsid, REFIID iid, void **tcServer);
+HRESULT CreateElevatedComObject (HWND hwnd, REFGUID guid, REFIID iid, void **ppv);
+
+#endif // TC_HEADER_BASE_COM