diff options
| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2013-06-22 16:16:13 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2014-11-08 23:18:07 +0100 |
| commit | c606f0866c3a2a5db3ef9bc41738ef33eb9612a9 (patch) | |
| tree | 5847c644cdfff3c1dd55b88b565448087ae89f11 /src/Common/BaseCom.cpp | |
| download | VeraCrypt-c606f0866c3a2a5db3ef9bc41738ef33eb9612a9.tar.gz VeraCrypt-c606f0866c3a2a5db3ef9bc41738ef33eb9612a9.zip | |
Add original TrueCrypt 7.1a sources
Diffstat (limited to 'src/Common/BaseCom.cpp')
| -rw-r--r-- | src/Common/BaseCom.cpp | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/src/Common/BaseCom.cpp b/src/Common/BaseCom.cpp new file mode 100644 index 00000000..409a653d --- /dev/null +++ b/src/Common/BaseCom.cpp @@ -0,0 +1,231 @@ +/*
+ 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 <comutil.h>
+#include <windows.h>
+#include "BaseCom.h"
+#include "BootEncryption.h"
+#include "Dlgcode.h"
+#include "Registry.h"
+
+using namespace TrueCrypt;
+
+HRESULT CreateElevatedComObject (HWND hwnd, REFGUID guid, REFIID iid, void **ppv)
+{
+ WCHAR monikerName[1024];
+ WCHAR clsid[1024];
+ BIND_OPTS3 bo;
+
+ StringFromGUID2 (guid, clsid, sizeof (clsid) / 2);
+ swprintf_s (monikerName, sizeof (monikerName) / 2, L"Elevation:Administrator!new:%s", clsid);
+
+ memset (&bo, 0, sizeof (bo));
+ bo.cbStruct = sizeof (bo);
+ bo.hwnd = hwnd;
+ bo.dwClassContext = CLSCTX_LOCAL_SERVER;
+
+ // Prevent the GUI from being half-rendered when the UAC prompt "freezes" it
+ ProcessPaintMessages (hwnd, 5000);
+
+ return CoGetObject (monikerName, &bo, iid, ppv);
+}
+
+
+BOOL ComGetInstanceBase (HWND hWnd, REFCLSID clsid, REFIID iid, void **tcServer)
+{
+ BOOL r;
+
+ if (IsUacSupported ())
+ r = CreateElevatedComObject (hWnd, clsid, iid, tcServer) == S_OK;
+ else
+ r = CoCreateInstance (clsid, NULL, CLSCTX_LOCAL_SERVER, iid, tcServer) == S_OK;
+
+ if (!r)
+ Error ("UAC_INIT_ERROR");
+
+ return r;
+}
+
+
+DWORD BaseCom::CallDriver (DWORD ioctl, BSTR input, BSTR *output)
+{
+ try
+ {
+ BootEncryption bootEnc (NULL);
+ bootEnc.CallDriver (ioctl,
+ (BYTE *) input, !(BYTE *) input ? 0 : ((DWORD *) ((BYTE *) input))[-1],
+ (BYTE *) *output, !(BYTE *) *output ? 0 : ((DWORD *) ((BYTE *) *output))[-1]);
+ }
+ catch (SystemException &)
+ {
+ return GetLastError();
+ }
+ catch (Exception &e)
+ {
+ e.Show (NULL);
+ return ERROR_EXCEPTION_IN_SERVICE;
+ }
+ catch (...)
+ {
+ return ERROR_EXCEPTION_IN_SERVICE;
+ }
+
+ return ERROR_SUCCESS;
+}
+
+
+DWORD BaseCom::CopyFile (BSTR sourceFile, BSTR destinationFile)
+{
+ USES_CONVERSION;
+
+ if (!::CopyFile (CW2A (sourceFile), CW2A (destinationFile), FALSE))
+ return GetLastError();
+
+ return ERROR_SUCCESS;
+}
+
+
+DWORD BaseCom::DeleteFile (BSTR file)
+{
+ USES_CONVERSION;
+
+ if (!::DeleteFile (CW2A (file)))
+ return GetLastError();
+
+ return ERROR_SUCCESS;
+}
+
+
+BOOL BaseCom::IsPagingFileActive (BOOL checkNonWindowsPartitionsOnly)
+{
+ return ::IsPagingFileActive (checkNonWindowsPartitionsOnly);
+}
+
+
+DWORD BaseCom::ReadWriteFile (BOOL write, BOOL device, BSTR filePath, BSTR *bufferBstr, unsigned __int64 offset, unsigned __int32 size, DWORD *sizeDone)
+{
+ USES_CONVERSION;
+
+ try
+ {
+ auto_ptr <File> file (device ? new Device (string (CW2A (filePath)), !write) : new File (string (CW2A (filePath)), !write));
+ file->SeekAt (offset);
+
+ if (write)
+ {
+ file->Write ((BYTE *) *bufferBstr, size);
+ *sizeDone = size;
+ }
+ else
+ {
+ *sizeDone = file->Read ((BYTE *) *bufferBstr, size);
+ }
+ }
+ catch (SystemException &)
+ {
+ return GetLastError();
+ }
+ catch (Exception &e)
+ {
+ e.Show (NULL);
+ return ERROR_EXCEPTION_IN_SERVICE;
+ }
+ catch (...)
+ {
+ return ERROR_EXCEPTION_IN_SERVICE;
+ }
+
+ return ERROR_SUCCESS;
+}
+
+
+DWORD BaseCom::RegisterFilterDriver (BOOL registerDriver, int filterType)
+{
+ try
+ {
+ BootEncryption bootEnc (NULL);
+ bootEnc.RegisterFilterDriver (registerDriver ? true : false, (BootEncryption::FilterType) filterType);
+ }
+ catch (SystemException &)
+ {
+ return GetLastError();
+ }
+ catch (Exception &e)
+ {
+ e.Show (NULL);
+ return ERROR_EXCEPTION_IN_SERVICE;
+ }
+ catch (...)
+ {
+ return ERROR_EXCEPTION_IN_SERVICE;
+ }
+
+ return ERROR_SUCCESS;
+}
+
+
+DWORD BaseCom::RegisterSystemFavoritesService (BOOL registerService)
+{
+ try
+ {
+ BootEncryption bootEnc (NULL);
+ bootEnc.RegisterSystemFavoritesService (registerService);
+ }
+ catch (SystemException &)
+ {
+ return GetLastError();
+ }
+ catch (Exception &e)
+ {
+ e.Show (NULL);
+ return ERROR_EXCEPTION_IN_SERVICE;
+ }
+ catch (...)
+ {
+ return ERROR_EXCEPTION_IN_SERVICE;
+ }
+
+ return ERROR_SUCCESS;
+}
+
+
+DWORD BaseCom::SetDriverServiceStartType (DWORD startType)
+{
+ try
+ {
+ BootEncryption bootEnc (NULL);
+ bootEnc.SetDriverServiceStartType (startType);
+ }
+ catch (SystemException &)
+ {
+ return GetLastError();
+ }
+ catch (Exception &e)
+ {
+ e.Show (NULL);
+ return ERROR_EXCEPTION_IN_SERVICE;
+ }
+ catch (...)
+ {
+ return ERROR_EXCEPTION_IN_SERVICE;
+ }
+
+ return ERROR_SUCCESS;
+}
+
+
+DWORD BaseCom::WriteLocalMachineRegistryDwordValue (BSTR keyPath, BSTR valueName, DWORD value)
+{
+ USES_CONVERSION;
+ if (!::WriteLocalMachineRegistryDword (CW2A (keyPath), CW2A (valueName), value))
+ return GetLastError();
+
+ return ERROR_SUCCESS;
+}
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