VeraCrypt
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-rw-r--r--src/Mount/MainCom.cpp267
1 files changed, 267 insertions, 0 deletions
diff --git a/src/Mount/MainCom.cpp b/src/Mount/MainCom.cpp
new file mode 100644
index 00000000..ca3b5ef6
--- /dev/null
+++ b/src/Mount/MainCom.cpp
@@ -0,0 +1,267 @@
+/*
+ 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.
+*/
+
+#include <atlcomcli.h>
+#include <atlconv.h>
+#include <windows.h>
+#include "BaseCom.h"
+#include "BootEncryption.h"
+#include "Dlgcode.h"
+#include "MainCom.h"
+#include "MainCom_h.h"
+#include "MainCom_i.c"
+#include "Mount.h"
+#include "Password.h"
+
+using namespace TrueCrypt;
+
+static volatile LONG ObjectCount = 0;
+
+class TrueCryptMainCom : public ITrueCryptMainCom
+{
+
+public:
+ TrueCryptMainCom (DWORD messageThreadId) : RefCount (0), MessageThreadId (messageThreadId)
+ {
+ InterlockedIncrement (&ObjectCount);
+ }
+
+ ~TrueCryptMainCom ()
+ {
+ if (InterlockedDecrement (&ObjectCount) == 0)
+ PostThreadMessage (MessageThreadId, WM_APP, 0, 0);
+ }
+
+ virtual ULONG STDMETHODCALLTYPE AddRef ()
+ {
+ return InterlockedIncrement (&RefCount);
+ }
+
+ virtual ULONG STDMETHODCALLTYPE Release ()
+ {
+ if (!InterlockedDecrement (&RefCount))
+ {
+ delete this;
+ return 0;
+ }
+
+ return RefCount;
+ }
+
+ virtual HRESULT STDMETHODCALLTYPE QueryInterface (REFIID riid, void **ppvObject)
+ {
+ if (riid == IID_IUnknown || riid == IID_ITrueCryptMainCom)
+ *ppvObject = this;
+ else
+ {
+ *ppvObject = NULL;
+ return E_NOINTERFACE;
+ }
+
+ AddRef ();
+ return S_OK;
+ }
+
+ virtual void STDMETHODCALLTYPE AnalyzeKernelMiniDump (LONG_PTR hwndDlg)
+ {
+ MainDlg = (HWND) hwndDlg;
+ ::AnalyzeKernelMiniDump ((HWND) hwndDlg);
+ }
+
+ virtual int STDMETHODCALLTYPE BackupVolumeHeader (LONG_PTR hwndDlg, BOOL bRequireConfirmation, BSTR lpszVolume)
+ {
+ USES_CONVERSION;
+ MainDlg = (HWND) hwndDlg;
+ return ::BackupVolumeHeader ((HWND) hwndDlg, bRequireConfirmation, CW2A (lpszVolume));
+ }
+
+ virtual int STDMETHODCALLTYPE RestoreVolumeHeader (LONG_PTR hwndDlg, BSTR lpszVolume)
+ {
+ USES_CONVERSION;
+ MainDlg = (HWND) hwndDlg;
+ return ::RestoreVolumeHeader ((HWND) hwndDlg, CW2A (lpszVolume));
+ }
+
+ virtual DWORD STDMETHODCALLTYPE CallDriver (DWORD ioctl, BSTR input, BSTR *output)
+ {
+ return BaseCom::CallDriver (ioctl, input, output);
+ }
+
+ virtual int STDMETHODCALLTYPE ChangePassword (BSTR volumePath, Password *oldPassword, Password *newPassword, int pkcs5, LONG_PTR hWnd)
+ {
+ USES_CONVERSION;
+ MainDlg = (HWND) hWnd;
+ return ::ChangePwd (CW2A (volumePath), oldPassword, newPassword, pkcs5, (HWND) hWnd);
+ }
+
+ virtual DWORD STDMETHODCALLTYPE CopyFile (BSTR sourceFile, BSTR destinationFile)
+ {
+ return BaseCom::CopyFile (sourceFile, destinationFile);
+ }
+
+ virtual DWORD STDMETHODCALLTYPE DeleteFile (BSTR file)
+ {
+ return BaseCom::DeleteFile (file);
+ }
+
+ virtual BOOL STDMETHODCALLTYPE IsPagingFileActive (BOOL checkNonWindowsPartitionsOnly)
+ {
+ return BaseCom::IsPagingFileActive (checkNonWindowsPartitionsOnly);
+ }
+
+ virtual DWORD STDMETHODCALLTYPE ReadWriteFile (BOOL write, BOOL device, BSTR filePath, BSTR *bufferBstr, unsigned __int64 offset, unsigned __int32 size, DWORD *sizeDone)
+ {
+ return BaseCom::ReadWriteFile (write, device, filePath, bufferBstr, offset, size, sizeDone);
+ }
+
+ virtual DWORD STDMETHODCALLTYPE RegisterFilterDriver (BOOL registerDriver, int filterType)
+ {
+ return BaseCom::RegisterFilterDriver (registerDriver, filterType);
+ }
+
+ virtual DWORD STDMETHODCALLTYPE RegisterSystemFavoritesService (BOOL registerService)
+ {
+ return BaseCom::RegisterSystemFavoritesService (registerService);
+ }
+
+ virtual DWORD STDMETHODCALLTYPE SetDriverServiceStartType (DWORD startType)
+ {
+ return BaseCom::SetDriverServiceStartType (startType);
+ }
+
+ virtual DWORD STDMETHODCALLTYPE WriteLocalMachineRegistryDwordValue (BSTR keyPath, BSTR valueName, DWORD value)
+ {
+ return BaseCom::WriteLocalMachineRegistryDwordValue (keyPath, valueName, value);
+ }
+
+protected:
+ DWORD MessageThreadId;
+ LONG RefCount;
+};
+
+
+extern "C" BOOL ComServerMain ()
+{
+ SetProcessShutdownParameters (0x100, 0);
+
+ TrueCryptFactory<TrueCryptMainCom> factory (GetCurrentThreadId ());
+ DWORD cookie;
+
+ if (IsUacSupported ())
+ UacElevated = TRUE;
+
+ if (CoRegisterClassObject (CLSID_TrueCryptMainCom, (LPUNKNOWN) &factory,
+ CLSCTX_LOCAL_SERVER, REGCLS_SINGLEUSE, &cookie) != S_OK)
+ return FALSE;
+
+ MSG msg;
+ while (int r = GetMessage (&msg, NULL, 0, 0))
+ {
+ if (r == -1)
+ return FALSE;
+
+ TranslateMessage (&msg);
+ DispatchMessage (&msg);
+
+ if (msg.message == WM_APP
+ && ObjectCount < 1
+ && !factory.IsServerLocked ())
+ break;
+ }
+ CoRevokeClassObject (cookie);
+
+ return TRUE;
+}
+
+
+static BOOL ComGetInstance (HWND hWnd, ITrueCryptMainCom **tcServer)
+{
+ return ComGetInstanceBase (hWnd, CLSID_TrueCryptMainCom, IID_ITrueCryptMainCom, (void **) tcServer);
+}
+
+
+ITrueCryptMainCom *GetElevatedInstance (HWND parent)
+{
+ ITrueCryptMainCom *instance;
+
+ if (!ComGetInstance (parent, &instance))
+ throw UserAbort (SRC_POS);
+
+ return instance;
+}
+
+
+extern "C" void UacAnalyzeKernelMiniDump (HWND hwndDlg)
+{
+ CComPtr<ITrueCryptMainCom> tc;
+
+ CoInitialize (NULL);
+
+ if (ComGetInstance (hwndDlg, &tc))
+ {
+ WaitCursor();
+ tc->AnalyzeKernelMiniDump ((LONG_PTR) hwndDlg);
+ NormalCursor();
+ }
+
+ CoUninitialize ();
+}
+
+
+extern "C" int UacBackupVolumeHeader (HWND hwndDlg, BOOL bRequireConfirmation, char *lpszVolume)
+{
+ CComPtr<ITrueCryptMainCom> tc;
+ int r;
+
+ CoInitialize (NULL);
+
+ if (ComGetInstance (hwndDlg, &tc))
+ r = tc->BackupVolumeHeader ((LONG_PTR) hwndDlg, bRequireConfirmation, CComBSTR (lpszVolume));
+ else
+ r = -1;
+
+ CoUninitialize ();
+
+ return r;
+}
+
+
+extern "C" int UacRestoreVolumeHeader (HWND hwndDlg, char *lpszVolume)
+{
+ CComPtr<ITrueCryptMainCom> tc;
+ int r;
+
+ CoInitialize (NULL);
+
+ if (ComGetInstance (hwndDlg, &tc))
+ r = tc->RestoreVolumeHeader ((LONG_PTR) hwndDlg, CComBSTR (lpszVolume));
+ else
+ r = -1;
+
+ CoUninitialize ();
+
+ return r;
+}
+
+
+extern "C" int UacChangePwd (char *lpszVolume, Password *oldPassword, Password *newPassword, int pkcs5, HWND hwndDlg)
+{
+ CComPtr<ITrueCryptMainCom> tc;
+ int r;
+
+ if (ComGetInstance (hwndDlg, &tc))
+ {
+ WaitCursor ();
+ r = tc->ChangePassword (CComBSTR (lpszVolume), oldPassword, newPassword, pkcs5, (LONG_PTR) hwndDlg);
+ NormalCursor ();
+ }
+ else
+ r = -1;
+
+ return r;
+}