diff options
Diffstat (limited to 'lib/ShadowCopy')
| -rw-r--r-- | lib/ShadowCopy/Shadow_Windows7.vcxproj | 240 | ||||
| -rw-r--r-- | lib/ShadowCopy/shadow.cpp | 199 | ||||
| -rw-r--r-- | lib/ShadowCopy/shadow.h | 94 |
3 files changed, 0 insertions, 533 deletions
diff --git a/lib/ShadowCopy/Shadow_Windows7.vcxproj b/lib/ShadowCopy/Shadow_Windows7.vcxproj deleted file mode 100644 index 86df3453..00000000 --- a/lib/ShadowCopy/Shadow_Windows7.vcxproj +++ /dev/null @@ -1,240 +0,0 @@ -<?xml version="1.0" encoding="utf-8"?> -<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> - <ItemGroup Label="ProjectConfigurations"> - <ProjectConfiguration Include="Debug|Win32"> - <Configuration>Debug</Configuration> - <Platform>Win32</Platform> - </ProjectConfiguration> - <ProjectConfiguration Include="Debug|x64"> - <Configuration>Debug</Configuration> - <Platform>x64</Platform> - </ProjectConfiguration> - <ProjectConfiguration Include="Release|Win32"> - <Configuration>Release</Configuration> - <Platform>Win32</Platform> - </ProjectConfiguration> - <ProjectConfiguration Include="Release|x64"> - <Configuration>Release</Configuration> - <Platform>x64</Platform> - </ProjectConfiguration> - </ItemGroup> - <PropertyGroup Label="Globals"> - <ProjectName>Windows7</ProjectName> - <ProjectGuid>{7E217D76-90A5-4B03-A6F8-E7C3ADD22901}</ProjectGuid> - <RootNamespace>ShadowDll</RootNamespace> - <Keyword>Win32Proj</Keyword> - </PropertyGroup> - <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" /> - <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration"> - <ConfigurationType>DynamicLibrary</ConfigurationType> - <CharacterSet>Unicode</CharacterSet> - <WholeProgramOptimization>true</WholeProgramOptimization> - <UseOfAtl>false</UseOfAtl> - <PlatformToolset>v120_xp</PlatformToolset> - </PropertyGroup> - <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration"> - <ConfigurationType>DynamicLibrary</ConfigurationType> - <CharacterSet>Unicode</CharacterSet> - <PlatformToolset>v120_xp</PlatformToolset> - </PropertyGroup> - <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration"> - <ConfigurationType>DynamicLibrary</ConfigurationType> - 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<TargetName Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Shadow_$(ProjectName)_$(Platform)</TargetName> - </PropertyGroup> - <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"> - <BuildLog> - <Path>$(IntDir)Build.html</Path> - </BuildLog> - <ClCompile> - <Optimization>Disabled</Optimization> - <PreprocessorDefinitions>ZEN_WIN;WXINTL_NO_GETTEXT_MACRO;_DEBUG;_WINDOWS;_USRDLL;SHADOWDLL_EXPORTS;USE_SHADOW_WINDOWS7;%(PreprocessorDefinitions)</PreprocessorDefinitions> - <MinimalRebuild>false</MinimalRebuild> - <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks> - <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary> - <PrecompiledHeader> - </PrecompiledHeader> - <WarningLevel>Level4</WarningLevel> - <SuppressStartupBanner>true</SuppressStartupBanner> - <DebugInformationFormat>EditAndContinue</DebugInformationFormat> - <DisableSpecificWarnings>4100;4996</DisableSpecificWarnings> - <AdditionalIncludeDirectories>../..;C:\Data\C++\boost</AdditionalIncludeDirectories> - 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<MultiProcessorCompilation>true</MultiProcessorCompilation> - </ClCompile> - <Link> - <OutputFile>$(OutDir)$(TargetName)$(TargetExt)</OutputFile> - <SuppressStartupBanner>true</SuppressStartupBanner> - <GenerateDebugInformation>true</GenerateDebugInformation> - <SubSystem>Windows</SubSystem> - <OptimizeReferences>true</OptimizeReferences> - <EnableCOMDATFolding>true</EnableCOMDATFolding> - <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration> - <ProfileGuidedDatabase> - </ProfileGuidedDatabase> - <ImportLibrary>$(IntDir)$(TargetName).lib</ImportLibrary> - <TargetMachine>MachineX64</TargetMachine> - <AdditionalLibraryDirectories>C:\Data\C++\Boost\stage_x64\lib</AdditionalLibraryDirectories> - <AdditionalDependencies>%(AdditionalDependencies)</AdditionalDependencies> - </Link> - </ItemDefinitionGroup> - <ItemGroup> - <ClCompile Include="..\..\zen\debug_memory_leaks.cpp" /> - <ClCompile Include="shadow.cpp" /> - </ItemGroup> - <ItemGroup> - <ClInclude Include="shadow.h" /> - 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\ No newline at end of file diff --git a/lib/ShadowCopy/shadow.cpp b/lib/ShadowCopy/shadow.cpp deleted file mode 100644 index adc7c5c2..00000000 --- a/lib/ShadowCopy/shadow.cpp +++ /dev/null @@ -1,199 +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) Zenju (zenju AT gmx DOT de) - All Rights Reserved * -// ************************************************************************** - -#include "shadow.h" -#include <algorithm> -#include <string> -#include <zen/com_ptr.h> -#include <zen/com_error.h> -#include <zen/scope_guard.h> -#include <boost/thread/tss.hpp> - -#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" - -#elif defined USE_SHADOW_WINDOWS7 -#include <vss.h> // -#include <vswriter.h> //part of Windows SDK for Windows 7 -#include <vsbackup.h> // -#pragma comment(lib, "VssApi.lib") - -#else -#error adapt! -#endif - -using namespace zen; - - -struct shadow::ShadowData -{ - ShadowData(const ComPtr<IVssBackupComponents>& backupComp, - const std::wstring& shadowVolume) : backupComp_(backupComp), shadowVolume_(shadowVolume) {} - - ComPtr<IVssBackupComponents> backupComp_; - std::wstring shadowVolume_; -}; - - -namespace -{ -std::wstring formatVssError(HRESULT hr) //at least the one's from IVssBackupComponents::AddToSnapshotSet; return empty if no format found -{ - switch (hr) - { - case VSS_E_BAD_STATE: - return L"VSS_E_BAD_STATE"; - case VSS_E_MAXIMUM_NUMBER_OF_VOLUMES_REACHED: - return L"VSS_E_MAXIMUM_NUMBER_OF_VOLUMES_REACHED"; - case VSS_E_MAXIMUM_NUMBER_OF_SNAPSHOTS_REACHED: - return L"VSS_E_MAXIMUM_NUMBER_OF_SNAPSHOTS_REACHED"; - case VSS_E_OBJECT_NOT_FOUND: - return L"VSS_E_OBJECT_NOT_FOUND"; - case VSS_E_PROVIDER_NOT_REGISTERED: - return L"VSS_E_PROVIDER_NOT_REGISTERED"; - case VSS_E_PROVIDER_VETO: - return L"VSS_E_PROVIDER_VETO"; - case VSS_E_VOLUME_NOT_SUPPORTED: - return L"VSS_E_VOLUME_NOT_SUPPORTED"; - case VSS_E_VOLUME_NOT_SUPPORTED_BY_PROVIDER: - return L"VSS_E_VOLUME_NOT_SUPPORTED_BY_PROVIDER"; - case VSS_E_UNEXPECTED_PROVIDER_ERROR: - return L"VSS_E_UNEXPECTED_PROVIDER_ERROR"; - default: - return std::wstring(); - } -} - - -shadow::ShadowData createShadowCopy(const wchar_t* volumeName) //throw SysError -{ - ComPtr<IVssBackupComponents> backupComp; - { - HRESULT hr = ::CreateVssBackupComponents(backupComp.init()); - if (FAILED(hr)) - { - if (hr == E_ACCESSDENIED) - throw SysError(formatComError(L"The caller does not have sufficient backup privileges or is not an administrator.", hr)); - throw SysError(formatComError(L"Error calling \"CreateVssBackupComponents\".", hr)); - } - } - - ZEN_COM_CHECK(backupComp->InitializeForBackup()); //throw SysError - - //SetContext() only required if different than the default, VSS_CTX_BACKUP; not implemented on XP!!! - //ZEN_COM_CHECK(backupComp->SetContext(VSS_CTX_BACKUP)); //throw SysError - - ZEN_COM_CHECK(backupComp->SetBackupState(false, false, VSS_BT_FULL)); //throw SysError - - - //the Shadow Copy Optimization Writer removes items it considers non-essential, - //http://msdn.microsoft.com/en-US/library/bb968827#shadow_copy_optimization_writer - //like the exclusions in HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\BackupRestore\FilesNotToSnapshot - //http://msdn.microsoft.com/en-us/library/aa819132%28v=vs.85%29.aspx - //Outlook *.ost files in particular: - //https://sourceforge.net/p/freefilesync/discussion/help/thread/722dcbfb - const VSS_ID disabledWriters[] = { { 0x4dc3bdd4, 0xab48, 0x4d07, { 0xad, 0xb0, 0x3b, 0xee, 0x29, 0x26, 0xfd, 0x7f } } }; //Shadow Copy Optimization Writer - { - HRESULT hr = backupComp->DisableWriterClasses(disabledWriters, 1); - if (FAILED(hr) && hr != E_NOTIMPL) //DisableWriterClasses() is not implemented on Windows XP, although MSDN documented otherwise! - throw SysError(formatComError(L"Error calling \"backupComp->DisableWriterClasses\".", hr)); - } - - - auto waitForComFuture = [](IVssAsync& fut) - { - ZEN_COM_CHECK(fut.Wait()); - - HRESULT hr = S_OK; - ZEN_COM_CHECK(fut.QueryStatus(&hr, nullptr)); //check if the async operation succeeded... - if (FAILED(hr)) - throw SysError(formatComError(L"Error calling \"fut->QueryStatus\".", hr)); - }; - - ComPtr<IVssAsync> gatherAsync; - ZEN_COM_CHECK(backupComp->GatherWriterMetadata(gatherAsync.init())); - waitForComFuture(*gatherAsync); //failure can happen if XP-version of VSS is used on Windows Vista (which needs at least VSS-Server2003 build) - - VSS_ID snapshotSetId = {}; - ZEN_COM_CHECK(backupComp->StartSnapshotSet(&snapshotSetId)); - ScopeGuard guardSnapShot = makeGuard([&] { backupComp->AbortBackup(); }); - //Quote: "This method must be called if a backup operation terminates after the creation of a - //shadow copy set with "StartSnapshotSet" and before "DoSnapshotSet" returns." - - VSS_ID SnapShotId = {}; - { - HRESULT hr = backupComp->AddToSnapshotSet(const_cast<wchar_t*>(volumeName), GUID_NULL, &SnapShotId); - if (FAILED(hr)) - { - if (hr == VSS_E_VOLUME_NOT_SUPPORTED) - throw SysError(L"Volume Shadow Copy Service is not supported on this volume!"); - const std::wstring vssError = formatVssError(hr); - if (!vssError.empty()) - throw SysError(L"Error calling \"backupComp->AddToSnapshotSet\": " + vssError); - else - throw SysError(formatComError(L"Error calling \"backupComp->AddToSnapshotSet\".", hr)); - } - } - - ComPtr<IVssAsync> prepareAsync; - ZEN_COM_CHECK(backupComp->PrepareForBackup(prepareAsync.init())); - waitForComFuture(*prepareAsync); - - ComPtr<IVssAsync> snapshotAsync; - ZEN_COM_CHECK(backupComp->DoSnapshotSet(snapshotAsync.init())); - guardSnapShot.dismiss(); - waitForComFuture(*snapshotAsync); - - VSS_SNAPSHOT_PROP props = {}; - ZEN_COM_CHECK(backupComp->GetSnapshotProperties(SnapShotId, &props)); - ZEN_ON_SCOPE_EXIT(::VssFreeSnapshotProperties(&props)); - - //finally: write volume name of newly created shadow copy - return shadow::ShadowData(backupComp, props.m_pwszSnapshotDeviceObject); -} - -boost::thread_specific_ptr<std::wstring> lastErrorMessage; //use "thread_local" in C++11 -} - - -shadow::ShadowHandle shadow::createShadowCopy(const wchar_t* volumeName) -{ - try - { - ShadowData result = ::createShadowCopy(volumeName); //throw SysError - return new ShadowData(result); //shadow handle owned by caller! std::bad_alloc? - } - catch (const zen::SysError& e) - { - lastErrorMessage.reset(new std::wstring(e.toString())); - return nullptr; - } -} - - -const wchar_t* shadow::getShadowVolume(shadow::ShadowHandle handle) -{ - return handle ? handle->shadowVolume_.c_str() : nullptr; //better fail in client code than here! -} - - -void shadow::releaseShadowCopy(ShadowHandle handle) -{ - delete handle; -} - - -const wchar_t* shadow::getLastError() -{ - return !lastErrorMessage.get() ? L"" : lastErrorMessage->c_str(); -} diff --git a/lib/ShadowCopy/shadow.h b/lib/ShadowCopy/shadow.h deleted file mode 100644 index e68b2655..00000000 --- a/lib/ShadowCopy/shadow.h +++ /dev/null @@ -1,94 +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) Zenju (zenju AT gmx DOT de) - All Rights Reserved * -// ************************************************************************** - -#ifndef SHADOWCOPY_H_14837413434 -#define SHADOWCOPY_H_14837413434 - -#ifdef SHADOWDLL_EXPORTS -#define DLL_FUNCTION_DECLARATION extern "C" __declspec(dllexport) -#else -#define DLL_FUNCTION_DECLARATION extern "C" __declspec(dllimport) -#endif - -#include <zen/build_info.h> -#include <zen/win_ver.h> - - -class IVssBackupComponents; - -namespace shadow -{ -/*-------------- - |declarations| - --------------*/ - -//COM needs to be initialized before calling any of these functions! CoInitializeEx/CoUninitialize -struct ShadowData; -typedef ShadowData* ShadowHandle; - -//volumeName *must* end with "\" -DLL_FUNCTION_DECLARATION -ShadowHandle createShadowCopy(const wchar_t* volumeName); //returns nullptr on failure! - -//release the backupHandle after shadow copy is not needed anymore! -DLL_FUNCTION_DECLARATION -void releaseShadowCopy(ShadowHandle handle); - -DLL_FUNCTION_DECLARATION -const wchar_t* getShadowVolume(ShadowHandle handle); //never fails, returns shadowVolName, never ending with "\" - -//get last error message if any of the functions above fail -DLL_FUNCTION_DECLARATION -const wchar_t* getLastError(); //no nullptr check required! -//########################################################################################## - - -/*---------- - |typedefs| - ----------*/ -typedef ShadowHandle (*FunType_createShadowCopy )(const wchar_t* volumeName); -typedef void (*FunType_releaseShadowCopy)(ShadowHandle handle); -typedef const wchar_t* (*FunType_getShadowVolume )(ShadowHandle handle); -typedef const wchar_t* (*FunType_getLastError)(); - -/*-------------- - |symbol names| - --------------*/ -//(use const pointers to ensure internal linkage) -const char funName_createShadowCopy [] = "createShadowCopy"; -const char funName_releaseShadowCopy[] = "releaseShadowCopy"; -const char funName_getShadowVolume [] = "getShadowVolume"; -const char funName_getLastError [] = "getLastError"; -/*--------------- - |library names| - ---------------*/ - -inline -const wchar_t* getDllName() -{ - // distinguish a bunch of VSS builds: we use XP, Server 2003 and Server 2008 R2 implementations... - // VSS version and compatibility overview: http://msdn.microsoft.com/en-us/library/aa384627(VS.85).aspx - - if (zen::win7OrLater()) //Windows Server 2008 R2 or Windows 7 - return zen::is64BitBuild ? - L"Shadow_Windows7_x64.dll" : - L"Shadow_Windows7_Win32.dll"; - //else if (vistaOrLater()) -> skip Windows Server 2008 and Windows Vista - // ; - else if (zen::winServer2003orLater()) //Windows Server 2003 and Windows Server 2003 R2 - return zen::is64BitBuild ? - L"Shadow_Server2003_x64.dll" : - L"Shadow_Server2003_Win32.dll"; - else //Windows XP - return zen::is64BitBuild ? - L"Shadow_XP_x64.dll" : - L"Shadow_XP_Win32.dll"; -} -} - -#undef DLL_FUNCTION_DECLARATION - -#endif //SHADOWCOPY_H_14837413434 |