Enable code analysis and address initial set of issues.

src/Servers/IIS/AspNetCoreModuleV2/AspNetCore/applicationinfo.cpp

@@ -301,7 +301,7 @@ APPLICATION_INFO::HandleShadowCopy(const ShimOptions& options, IHttpContext& pHt
         auto shadowCopyBaseDirectory = std::filesystem::directory_entry(shadowCopyPath);
         if (!shadowCopyBaseDirectory.exists())
         {
-            CreateDirectory(shadowCopyBaseDirectory.path().wstring().c_str(), NULL);
+            CreateDirectory(shadowCopyBaseDirectory.path().wstring().c_str(), nullptr);
         }
 
         for (auto& entry : std::filesystem::directory_iterator(shadowCopyPath))

src/Servers/IIS/AspNetCoreModuleV2/AspNetCore/dllmain.cpp

@@ -57,6 +57,7 @@ BOOL WINAPI DllMain(HMODULE hModule,
         // this is a bug in IIS. To try to avoid AVs, we will set a global flag
         g_fInShutdown = TRUE;
         StaticCleanup();
+        break;
     default:
         break;
     }

src/Servers/IIS/AspNetCoreModuleV2/CommonLib/Environment.cpp

@@ -168,7 +168,7 @@ void Environment::CopyToDirectoryInner(const std::filesystem::path& source, cons
     auto destinationDirEntry = std::filesystem::directory_entry(destination);
     if (!destinationDirEntry.exists())
     {
-        CreateDirectory(destination.wstring().c_str(), NULL);
+        CreateDirectory(destination.wstring().c_str(), nullptr);
     }
 
     for (auto& path : std::filesystem::directory_iterator(source))

src/Servers/IIS/AspNetCoreModuleV2/CommonLib/EventLog.cpp

@@ -36,11 +36,11 @@ EventLog::LogEventNoTrace(
         dwEventInfoType,
         0,        // wCategory
         dwEventId,
-        NULL,     // lpUserSid
+        nullptr,     // lpUserSid
         static_cast<WORD>(eventLogDataStrings.size()), // wNumStrings
         0,        // dwDataSize,
         eventLogDataStrings.data(),
-        NULL      // lpRawData
+        nullptr      // lpRawData
     );
 }
 

src/Servers/IIS/AspNetCoreModuleV2/CommonLib/GlobalVersionUtility.cpp

@@ -13,17 +13,17 @@ namespace fs = std::filesystem;
 std::wstring
 GlobalVersionUtility::GetGlobalRequestHandlerPath(PCWSTR pwzAspNetCoreFolderPath, PCWSTR pwzHandlerVersion, PCWSTR pwzHandlerName)
 {
-    if (pwzAspNetCoreFolderPath == NULL)
+    if (pwzAspNetCoreFolderPath == nullptr)
     {
         throw new std::invalid_argument("pwzAspNetCoreFolderPath is NULL");
     }
 
-    if (pwzHandlerVersion == NULL)
+    if (pwzHandlerVersion == nullptr)
     {
         throw new std::invalid_argument("pwzHandlerVersion is NULL");
     }
 
-    if (pwzHandlerName == NULL)
+    if (pwzHandlerName == nullptr)
     {
         throw new std::invalid_argument("pwzHandlerName is NULL");
     }
@@ -47,7 +47,7 @@ GlobalVersionUtility::GetGlobalRequestHandlerPath(PCWSTR pwzAspNetCoreFolderPath
 std::vector<fx_ver_t>
 GlobalVersionUtility::GetRequestHandlerVersions(PCWSTR pwzAspNetCoreFolderPath)
 {
-    if (pwzAspNetCoreFolderPath == NULL)
+    if (pwzAspNetCoreFolderPath == nullptr)
     {
         throw new std::invalid_argument("pwzAspNetCoreFolderPath is NULL");
     }
@@ -74,7 +74,7 @@ GlobalVersionUtility::GetRequestHandlerVersions(PCWSTR pwzAspNetCoreFolderPath)
 std::wstring
 GlobalVersionUtility::FindHighestGlobalVersion(PCWSTR pwzAspNetCoreFolderPath)
 {
-    if (pwzAspNetCoreFolderPath == NULL)
+    if (pwzAspNetCoreFolderPath == nullptr)
     {
         throw std::invalid_argument("pwzAspNetCoreFolderPath is NULL");
     }

src/Servers/IIS/AspNetCoreModuleV2/CommonLib/HostFxrResolver.cpp

@@ -400,16 +400,16 @@ HostFxrResolver::InvokeWhereToFindDotnet()
 {
     HRESULT             hr = S_OK;
     // Arguments to call where.exe
-    STARTUPINFOW        startupInfo = { 0 };
-    PROCESS_INFORMATION processInformation = { 0 };
+    STARTUPINFOW        startupInfo{};
+    PROCESS_INFORMATION processInformation{};
     SECURITY_ATTRIBUTES securityAttributes;
 
     CHAR                pzFileContents[READ_BUFFER_SIZE];
     HandleWrapper<InvalidHandleTraits>     hStdOutReadPipe;
     HandleWrapper<InvalidHandleTraits>     hStdOutWritePipe;
     HandleWrapper<InvalidHandleTraits>     hProcess;
     HandleWrapper<InvalidHandleTraits>     hThread;
-    CComBSTR            pwzDotnetName = NULL;
+    CComBSTR            pwzDotnetName = nullptr;
     DWORD               dwFilePointer;
     BOOL                fIsCurrentProcess64Bit;
     DWORD               dwExitCode;
@@ -423,7 +423,7 @@ HostFxrResolver::InvokeWhereToFindDotnet()
 
     // Set the security attributes for the read/write pipe
     securityAttributes.nLength = sizeof(securityAttributes);
-    securityAttributes.lpSecurityDescriptor = NULL;
+    securityAttributes.lpSecurityDescriptor = nullptr;
     securityAttributes.bInheritHandle = TRUE;
 
     LOG_INFO(L"Invoking where.exe to find dotnet.exe");
@@ -443,14 +443,14 @@ HostFxrResolver::InvokeWhereToFindDotnet()
     pwzDotnetName = L"\"where.exe\" dotnet.exe";
 
     // Create a process to invoke where.exe
-    FINISHED_LAST_ERROR_IF(!CreateProcessW(NULL,
+    FINISHED_LAST_ERROR_IF(!CreateProcessW(nullptr,
         pwzDotnetName,
-        NULL,
-        NULL,
+        nullptr,
+        nullptr,
         TRUE,
         CREATE_NO_WINDOW,
-        NULL,
-        NULL,
+        nullptr,
+        nullptr,
         &startupInfo,
         &processInformation
     ));
@@ -480,7 +480,7 @@ HostFxrResolver::InvokeWhereToFindDotnet()
 
     // Where succeeded.
     // Reset file pointer to the beginning of the file.
-    dwFilePointer = SetFilePointer(hStdOutReadPipe, 0, NULL, FILE_BEGIN);
+    dwFilePointer = SetFilePointer(hStdOutReadPipe, 0, nullptr, FILE_BEGIN);
     if (dwFilePointer == INVALID_SET_FILE_POINTER)
     {
         FINISHED_IF_FAILED(E_FAIL);
@@ -490,7 +490,7 @@ HostFxrResolver::InvokeWhereToFindDotnet()
     // As the call to where.exe succeeded (dotnet.exe was found), ReadFile should not hang.
     // TODO consider putting ReadFile in a separate thread with a timeout to guarantee it doesn't block.
     //
-    FINISHED_LAST_ERROR_IF (!ReadFile(hStdOutReadPipe, pzFileContents, READ_BUFFER_SIZE, &dwNumBytesRead, NULL));
+    FINISHED_LAST_ERROR_IF (!ReadFile(hStdOutReadPipe, pzFileContents, READ_BUFFER_SIZE, &dwNumBytesRead, nullptr));
 
     if (dwNumBytesRead >= READ_BUFFER_SIZE)
     {

src/Servers/IIS/AspNetCoreModuleV2/CommonLib/RegistryKey.cpp

@@ -18,7 +18,7 @@ std::optional<DWORD> RegistryKey::TryGetDWORD(HKEY section, const std::wstring&
 
 std::optional<std::wstring> RegistryKey::TryGetString(HKEY section, const std::wstring& subSectionName, const std::wstring& valueName)
 {
-    DWORD cbData;
+    DWORD cbData{};
 
     if (!CheckReturnValue(RegGetValue(section, subSectionName.c_str(), valueName.c_str(), RRF_RT_REG_SZ, nullptr, nullptr, &cbData)))
     {

src/Servers/IIS/AspNetCoreModuleV2/CommonLib/ServerErrorHandler.h

@@ -15,7 +15,7 @@ class ServerErrorHandler : public REQUEST_HANDLER
         m_disableStartupPage(disableStartupPage),
         m_statusCode(statusCode),
         m_subStatusCode(subStatusCode),
-        m_statusText(std::move(statusText)),
+        m_statusText(statusText),
         m_ExceptionInfoContent(responseContent)
     {
     }

src/Servers/IIS/AspNetCoreModuleV2/CommonLib/StringHelpers.cpp

@@ -41,7 +41,7 @@ std::wstring to_wide_string(const std::string& source, const int length, const u
 
     std::wstring destination;
 
-    int nChars = MultiByteToWideChar(codePage, 0, source.data(), length, NULL, 0);
+    int nChars = MultiByteToWideChar(codePage, 0, source.data(), length, nullptr, 0);
     THROW_LAST_ERROR_IF(nChars == 0);
 
     destination.resize(nChars);

src/Servers/IIS/AspNetCoreModuleV2/CommonLib/debugutil.cpp

@@ -73,7 +73,7 @@ GetVersionInfoString()
     {
         DWORD  verHandle = 0;
         UINT   size = 0;
-        LPVOID lpBuffer = NULL;
+        LPVOID lpBuffer = nullptr;
 
         auto path = GetModuleName();
 
@@ -92,7 +92,7 @@ GetVersionInfoString()
             RETURN_IF_FAILED(E_FAIL);
         }
 
-        LPVOID pvProductName = NULL;
+        LPVOID pvProductName = nullptr;
         unsigned int iProductNameLen = 0;
         RETURN_LAST_ERROR_IF(!VerQueryValue(verData.data(), _T("\\StringFileInfo\\040904b0\\FileDescription"), &pvProductName, &iProductNameLen));
 
@@ -114,7 +114,7 @@ std::wstring
 GetModuleName()
 {
     WCHAR path[MAX_PATH];
-    LOG_LAST_ERROR_IF(!GetModuleFileName(g_hModule, path, sizeof(path)));
+    LOG_LAST_ERROR_IF(!GetModuleFileName(g_hModule, path, _countof(path)));
     return path;
 }
 
@@ -218,7 +218,7 @@ DebugInitialize(HMODULE hModule)
         cbData = sizeof(dwData);
         if ((RegQueryValueEx(hKey,
             L"DebugFlags",
-            NULL,
+            nullptr,
             &dwType,
             (LPBYTE)&dwData,
             &cbData) == NO_ERROR) &&
@@ -409,7 +409,10 @@ DebugPrintfW(
 
         hr = strCooked.SafeVsnwprintf(szFormat, args );
 
+#pragma warning(push)
+#pragma warning(disable: 26477) // va_end uses 0
         va_end( args );
+#pragma warning(pop)
 
         if (FAILED (hr))
         {
@@ -453,7 +456,10 @@ DebugPrintf(
 
         hr = strCooked.SafeVsnprintf(szFormat, args );
 
+#pragma warning(push)
+#pragma warning(disable: 26477) // va_end uses 0
         va_end( args );
+#pragma warning(pop)
 
         if (FAILED (hr))
         {

src/Servers/IIS/AspNetCoreModuleV2/CommonLib/file_utility.cpp

@@ -41,7 +41,7 @@ FILE_UTILITY::ConvertPathToFullPath(
 {
     HRESULT hr = S_OK;
     STRU strFileFullPath;
-    LPWSTR pszFullPath = NULL;
+    LPWSTR pszFullPath = nullptr;
 
     // if relative path, prefix with root path and then convert to absolute path.
     if ( PathIsRelative(pszPath) )
@@ -72,7 +72,7 @@ FILE_UTILITY::ConvertPathToFullPath(
 
     if(_wfullpath( pszFullPath,
                    strFileFullPath.QueryStr(),
-                   strFileFullPath.QueryCCH() + 1 ) == NULL )
+                   strFileFullPath.QueryCCH() + 1 ) == nullptr )
     {
         hr = HRESULT_FROM_WIN32( ERROR_INVALID_PARAMETER );
         goto Finished;
@@ -87,10 +87,10 @@ FILE_UTILITY::ConvertPathToFullPath(
 
 Finished:
 
-    if ( pszFullPath != NULL )
+    if ( pszFullPath != nullptr )
     {
         delete[] pszFullPath;
-        pszFullPath = NULL;
+        pszFullPath = nullptr;
     }
 
     return hr;

src/Servers/IIS/AspNetCoreModuleV2/CommonLib/sttimer.h

@@ -13,7 +13,7 @@ class STTIMER
 public:
 
     STTIMER()
-        : _pTimer( NULL )
+        : _pTimer( nullptr )
     {
         fInCanel = FALSE;
     }
@@ -25,7 +25,7 @@ class STTIMER
         {
             CancelTimer();
             CloseThreadpoolTimer( _pTimer );
-            _pTimer = NULL;
+            _pTimer = nullptr;
         }
     }
 
@@ -39,7 +39,7 @@ class STTIMER
     {
         _pTimer = CreateThreadpoolTimer( pfnCallback,
                                          pContext,
-                                         NULL );
+                                         nullptr );
 
         if ( !_pTimer )
         {
@@ -74,9 +74,9 @@ class STTIMER
             // re-enabled by setting non-zero initial wait or
             // period values.
             //
-            if (_pTimer != NULL)
+            if (_pTimer != nullptr)
             {
-                SetThreadpoolTimer(_pTimer, NULL, 0, 0);
+                SetThreadpoolTimer(_pTimer, nullptr, 0, 0);
             }
 
             return;
@@ -106,7 +106,7 @@ class STTIMER
         // Wait until any callbacks queued prior to disabling
         // have completed.
         //
-        if (_pTimer != NULL)
+        if (_pTimer != nullptr)
         {
             WaitForThreadpoolTimerCallbacks(_pTimer, TRUE);
         }
@@ -124,21 +124,21 @@ class STTIMER
     )
     {
         STRU*                   pstruLogFilePath = (STRU*)Context;
-        HANDLE                  hStdoutHandle = NULL;
+        HANDLE                  hStdoutHandle = nullptr;
         SECURITY_ATTRIBUTES     saAttr = { 0 };
         HRESULT                 hr = S_OK;
 
         saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
         saAttr.bInheritHandle = TRUE;
-        saAttr.lpSecurityDescriptor = NULL;
+        saAttr.lpSecurityDescriptor = nullptr;
 
         hStdoutHandle = CreateFileW(pstruLogFilePath->QueryStr(),
                                     FILE_READ_DATA,
                                     FILE_SHARE_WRITE,
                                     &saAttr,
                                     OPEN_ALWAYS,
                                     FILE_ATTRIBUTE_NORMAL,
-                                    NULL);
+                                    nullptr);
         if (hStdoutHandle == INVALID_HANDLE_VALUE)
         {
             hr = HRESULT_FROM_WIN32(GetLastError());

src/Servers/IIS/AspNetCoreModuleV2/CommonLibTests/CommonLibTests.vcxproj

@@ -9,7 +9,7 @@
     <ProjectGuid>{1eac8125-1765-4e2d-8cbe-56dc98a1c8c1}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <ConfigurationType>Application</ConfigurationType>
-    <PlatformToolset>$(PlatformToolsetVersion)</PlatformToolset>
+    <PlatformToolset>v$(PlatformToolsetVersion)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
     <IsTestProject>true</IsTestProject>
     <DisableArcadeTestFramework>true</DisableArcadeTestFramework>