diff options
Diffstat (limited to 'library/ShadowCopy/shadow.cpp')
| -rw-r--r-- | library/ShadowCopy/shadow.cpp | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/library/ShadowCopy/shadow.cpp b/library/ShadowCopy/shadow.cpp deleted file mode 100644 index b15bd4f9..00000000 --- a/library/ShadowCopy/shadow.cpp +++ /dev/null @@ -1,204 +0,0 @@ -// ************************************************************************** -// * This file is part of the FreeFileSync project. It is distributed under * -// * GNU General Public License: http://www.gnu.org/licenses/gpl.html * -// * Copyright (C) 2008-2010 ZenJu (zhnmju123 AT gmx.de) * -// ************************************************************************** -// -#include "shadow.h" - -#define WIN32_LEAN_AND_MEAN -#include "windows.h" - -#ifdef USE_SHADOW_XP -#include "xp/inc/vss.h" -#include "xp/inc/vswriter.h" -#include "xp/inc/vsbackup.h" - -#elif defined USE_SHADOW_2003 -#include "Server 2003/inc/vss.h" -#include "Server 2003/inc/vswriter.h" -#include "Server 2003/inc/vsbackup.h" -#else -adapt! -#endif - -#include <algorithm> -#include <string> -#include <cstdio> -#include <comdef.h> - -//typedef GUID VSS_ID; - - -void writeString(const wchar_t* input, wchar_t* output, unsigned int outputBufferLen) -{ - const size_t newSize = min(wcslen(input) + 1, outputBufferLen); //including null-termination - memcpy(output, input, newSize * sizeof(wchar_t)); - output[newSize-1] = 0; //if output buffer is too small... -} - - -std::wstring numberToHexString(const long number) -{ - wchar_t result[100]; - swprintf(result, 100, L"0x%08x", number); - return std::wstring(result); -} - - -void writeErrorMsg(const wchar_t* input, HRESULT hr, wchar_t* output, unsigned int outputBufferLen) -{ - std::wstring formattedMsg(input); - formattedMsg += L" ("; - formattedMsg += numberToHexString(hr); - formattedMsg += L": "; - formattedMsg += _com_error(hr).ErrorMessage(); - formattedMsg += L")"; - - writeString(formattedMsg.c_str(), output, outputBufferLen); -} - - -bool shadow::createShadowCopy(const wchar_t* volumeName, - wchar_t* shadowVolName, - unsigned int shadowBufferLen, - void** backupHandle, - wchar_t* errorMessage, - unsigned int errorBufferLen) -{ - //MessageBox(0, L"backup err", L"", 0); */ - *backupHandle = NULL; - HRESULT hr = NULL; - - IVssBackupComponents* pBackupComponents = NULL; - if (FAILED(hr = CreateVssBackupComponents(&pBackupComponents))) - { - if (hr == E_ACCESSDENIED) - writeErrorMsg(L"The caller does not have sufficient backup privileges or is not an administrator.", hr, errorMessage, errorBufferLen); - else - writeErrorMsg(L"Error calling \"CreateVssBackupComponents\".", hr, errorMessage, errorBufferLen); - return false; - } - - - if (FAILED(hr = pBackupComponents->InitializeForBackup())) - { - releaseShadowCopy(pBackupComponents); - writeErrorMsg(L"Error calling \"InitializeForBackup\".", hr, errorMessage, errorBufferLen); - return false; - } - - - IVssAsync* pWriteMetaData = NULL; - if (FAILED(hr = pBackupComponents->GatherWriterMetadata( &pWriteMetaData ))) - { //this can happen if XP-version of VSS is used on Windows Vista (which needs at least VSS-Server2003 build) - releaseShadowCopy(pBackupComponents); - writeErrorMsg(L"Error calling \"GatherWriterMetadata\".", hr, errorMessage, errorBufferLen); - return false; - } - - //wait for shadow copy writers to complete - hr = pWriteMetaData->Wait(); - if (SUCCEEDED(hr)) - pWriteMetaData->QueryStatus(&hr, NULL); //check if the async operation succeeded... - - pWriteMetaData->Release(); - if (FAILED(hr)) - { - releaseShadowCopy(pBackupComponents); - writeErrorMsg(L"Error calling \"ppWriteMetaData->Wait\".", hr, errorMessage, errorBufferLen); - return false; - } - - - VSS_ID snapshotSetId = {0}; - if (FAILED(hr = pBackupComponents->StartSnapshotSet( &snapshotSetId ))) - { - releaseShadowCopy(pBackupComponents); - writeErrorMsg(L"Error calling \"StartSnapshotSet\".", hr, errorMessage, errorBufferLen); - return false; - } - - - VSS_ID SnapShotId = {0}; - if (FAILED(hr = pBackupComponents->AddToSnapshotSet(const_cast<wchar_t*>(volumeName), GUID_NULL, &SnapShotId))) - { - releaseShadowCopy(pBackupComponents); - writeErrorMsg(L"Error calling \"AddToSnapshotSet\".", hr, errorMessage, errorBufferLen); - return false; - } - - - if (FAILED(hr = pBackupComponents->SetBackupState( false, false, VSS_BT_FULL ))) - { - releaseShadowCopy(pBackupComponents); - writeErrorMsg(L"Error calling \"SetBackupState\".", hr, errorMessage, errorBufferLen); - return false; - } - - - IVssAsync* pPrepare = NULL; - if (FAILED(hr = pBackupComponents->PrepareForBackup( &pPrepare ))) - { - releaseShadowCopy(pBackupComponents); - writeErrorMsg(L"Error calling \"PrepareForBackup\".", hr, errorMessage, errorBufferLen); - return false; - } - - hr = pPrepare->Wait(); - if (SUCCEEDED(hr)) - pPrepare->QueryStatus(&hr, NULL); //check if the async operation succeeded... - - pPrepare->Release(); - if (FAILED(hr)) - { - releaseShadowCopy(pBackupComponents); - writeErrorMsg(L"Error calling \"pPrepare->Wait\".", hr, errorMessage, errorBufferLen); - return false; - } - - - IVssAsync* pDoShadowCopy = NULL; - if (FAILED(hr = pBackupComponents->DoSnapshotSet( &pDoShadowCopy ))) - { - releaseShadowCopy(pBackupComponents); - writeErrorMsg(L"Error calling \"DoSnapshotSet\".", hr, errorMessage, errorBufferLen); - return false; - } - - hr = pDoShadowCopy->Wait(); - if (SUCCEEDED(hr)) - pDoShadowCopy->QueryStatus(&hr, NULL); //check if the async operation succeeded... - - pDoShadowCopy->Release(); - if (FAILED(hr)) - { - releaseShadowCopy(pBackupComponents); - writeErrorMsg(L"Error calling \"pPrepare->Wait\".", hr, errorMessage, errorBufferLen); - return false; - } - - VSS_SNAPSHOT_PROP props; - if (FAILED(hr = pBackupComponents->GetSnapshotProperties( SnapShotId, &props ))) - { - releaseShadowCopy(pBackupComponents); - writeErrorMsg(L"Error calling \"GetSnapshotProperties\".", hr, errorMessage, errorBufferLen); - return false; - } - - //finally: write volume name of newly created shadow copy - writeString(props.m_pwszSnapshotDeviceObject, shadowVolName, shadowBufferLen); - - VssFreeSnapshotProperties(&props); - - *backupHandle = pBackupComponents; - - return true; -} - - -void shadow::releaseShadowCopy(void* backupHandle) -{ - if (backupHandle != NULL) - static_cast<IVssBackupComponents*>(backupHandle)->Release(); -} |