/*++ Copyright (c) 2000 Microsoft Corporation Module Name: sxsactctx.cpp Abstract: Implement SxsGenerateActivationContext, called from csrss.exe. Author: Michael J. Grier (MGrier) Revision History: Jay Krell (a-JayK) June 2000 moved file opening from here (sxs.dll) to csrss.exe client process, pass ISequentialStreams to sxs.dll. --*/ #include "stdinc.h" #include #include "sxsapi.h" #include "sxsp.h" #include "fusioneventlog.h" #include "filestream.h" // temporary dbprint reduction until we fix setup/comctl static ULONG DbgPrintReduceLevel(ULONG FilterLevel) { if (FilterLevel != FUSION_DBG_LEVEL_ERROR) return FilterLevel; LONG Error = ::FusionpGetLastWin32Error(); if (Error == ERROR_FILE_NOT_FOUND || Error == ERROR_PATH_NOT_FOUND) return FUSION_DBG_LEVEL_ENTEREXIT; return FilterLevel; } static VOID DbgPrintSxsGenerateActivationContextParameters( ULONG FilterLevel, PSXS_GENERATE_ACTIVATION_CONTEXT_PARAMETERS Parameters, PCSTR Function ) { FilterLevel = DbgPrintReduceLevel(FilterLevel); #if !DBG if (FilterLevel != FUSION_DBG_LEVEL_ERROR) return; #endif FusionpDbgPrintEx( FilterLevel, "SXS: %s() failed Parameters %p{\n" "SXS: Flags: 0x%lx\n" "SXS: ProcessorArchitecture: 0x%lx\n" "SXS: LangId: 0x%lx\n" "SXS: AssemblyDirectory: %ls\n" "SXS: TextualIdentity: %ls\n" "SXS: Manifest: { %p, %ls }\n" "SXS: Policy: { %p, %ls }\n" "SXS: }\n", Function, Parameters, (Parameters != NULL) ? ULONG(Parameters->Flags) : 0, (Parameters != NULL) ? ULONG(Parameters->ProcessorArchitecture) : NULL, (Parameters != NULL) ? ULONG(Parameters->LangId) : NULL, (Parameters != NULL) ? Parameters->AssemblyDirectory : NULL, (Parameters != NULL) ? Parameters->TextualAssemblyIdentity : NULL, (Parameters != NULL) ? Parameters->Manifest.Stream : NULL, (Parameters != NULL) ? Parameters->Manifest.Path : NULL, (Parameters != NULL) ? Parameters->Policy.Stream : NULL, (Parameters != NULL) ? Parameters->Policy.Path : NULL); } extern "C" BOOL WINAPI SxsGenerateActivationContext( PSXS_GENERATE_ACTIVATION_CONTEXT_PARAMETERS Parameters ) { BOOL fSuccess = FALSE; FN_TRACE_WIN32(fSuccess); RTL_PATH_TYPE PathType; BOOL fSxspCloseManifestGraph = FALSE; CStringBuffer sbAssemblyDirectory; SMARTPTR(CFileStream) SystemDefaultManifestFileStream; ACTCTXGENCTX *pActCtxGenCtx = NULL; CSmallStringBuffer sbManifestFileName; // rarely used, mainly for system compatible assembly DWORD dwWin32Error; #define IS_NT_DOS_PATH(_x) (((_x)[0] == L'\\') && ((_x)[1] == L'?') && ((_x)[2] == L'?') && ((_x)[3] == L'\\')) ::DbgPrintSxsGenerateActivationContextParameters( FUSION_DBG_LEVEL_ENTEREXIT, Parameters, __FUNCTION__); PARAMETER_CHECK(Parameters != NULL); IFALLOCFAILED_EXIT(pActCtxGenCtx = new ACTCTXGENCTX); { CImpersonationData ImpersonationData(Parameters->ImpersonationCallback, Parameters->ImpersonationContext); Parameters->SectionObjectHandle = NULL; IFINVALID_FLAGS_EXIT_WIN32(Parameters->Flags, SXS_GENERATE_ACTIVATION_CONTEXT_FLAG_SYSTEM_DEFAULT_TEXTUAL_ASSEMBLY_IDENTITY | SXS_GENERATE_ACTIVATION_CONTEXT_FLAG_TEXTUAL_ASSEMBLY_IDENTITY); PARAMETER_CHECK(Parameters->AssemblyDirectory != NULL); HARD_VERIFY(IS_NT_DOS_PATH(Parameters->AssemblyDirectory) == FALSE); if (Parameters->Flags & (SXS_GENERATE_ACTIVATION_CONTEXT_FLAG_TEXTUAL_ASSEMBLY_IDENTITY | SXS_GENERATE_ACTIVATION_CONTEXT_FLAG_SYSTEM_DEFAULT_TEXTUAL_ASSEMBLY_IDENTITY)) { PARAMETER_CHECK(Parameters->TextualAssemblyIdentity != NULL); PARAMETER_CHECK(Parameters->Manifest.Stream == NULL); PARAMETER_CHECK(Parameters->Policy.Stream == NULL); // // If basesrv passes in a textual assembly identity, we have to create stream for manifest from here ! // BOOL fOpenManifestFailed = FALSE; IFW32FALSE_EXIT(sbAssemblyDirectory.Win32Assign(Parameters->AssemblyDirectory, ::wcslen(Parameters->AssemblyDirectory))); IFW32FALSE_EXIT(::SxspCreateManifestFileNameFromTextualString( 0, SXSP_GENERATE_SXS_PATH_PATHTYPE_MANIFEST, sbAssemblyDirectory, Parameters->TextualAssemblyIdentity, sbManifestFileName)); IFW32FALSE_EXIT(SystemDefaultManifestFileStream.Win32Allocate(__FILE__, __LINE__)); IFW32FALSE_EXIT(SystemDefaultManifestFileStream->OpenForRead( sbManifestFileName, CImpersonationData(),FILE_SHARE_READ, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, // default value for parameters dwWin32Error, 4, ERROR_FILE_NOT_FOUND, ERROR_PATH_NOT_FOUND, ERROR_BAD_NETPATH, ERROR_BAD_NET_NAME)); if (dwWin32Error != ERROR_SUCCESS) { Parameters->SystemDefaultActCxtGenerationResult = BASESRV_SXS_RETURN_RESULT_SYSTEM_DEFAULT_NOT_FOUND; FN_SUCCESSFUL_EXIT(); } if (Parameters->Manifest.Path == NULL) Parameters->Manifest.Path = sbManifestFileName; Parameters->Manifest.Stream = SystemDefaultManifestFileStream; } else { PARAMETER_CHECK(Parameters->Manifest.Stream != NULL); } if (Parameters->Manifest.Path != NULL) { HARD_VERIFY(IS_NT_DOS_PATH(Parameters->Manifest.Path) == FALSE); } if (Parameters->Policy.Path != NULL) { HARD_VERIFY(IS_NT_DOS_PATH(Parameters->Policy.Path) == FALSE); } PathType = ::SxspDetermineDosPathNameType(Parameters->AssemblyDirectory); PARAMETER_CHECK((PathType == RtlPathTypeUncAbsolute) || (PathType == RtlPathTypeLocalDevice) || (PathType == RtlPathTypeDriveAbsolute) || (PathType == RtlPathTypeDriveRelative)); // Ensure that there's a trailing slash... IFW32FALSE_EXIT(sbAssemblyDirectory.Win32Assign(Parameters->AssemblyDirectory, ::wcslen(Parameters->AssemblyDirectory))); IFW32FALSE_EXIT(sbAssemblyDirectory.Win32EnsureTrailingPathSeparator()); Parameters->AssemblyDirectory = sbAssemblyDirectory; // Allocate and initialize the activation context generation context IFW32FALSE_EXIT( ::SxspInitActCtxGenCtx( pActCtxGenCtx, // context out MANIFEST_OPERATION_GENERATE_ACTIVATION_CONTEXT, 0, // general flags 0, // operation-specific flags ImpersonationData, Parameters->ProcessorArchitecture, Parameters->LangId, ACTIVATION_CONTEXT_PATH_TYPE_WIN32_FILE, ::wcslen(Parameters->AssemblyDirectory), Parameters->AssemblyDirectory)); if (Parameters->Policy.Stream != NULL) { SIZE_T cchPolicyPath = (Parameters->Policy.Path != NULL) ? ::wcslen(Parameters->Policy.Path): 0; // Do the policy thing... IFW32FALSE_EXIT( ::SxspParseApplicationPolicy( 0, pActCtxGenCtx, ACTIVATION_CONTEXT_PATH_TYPE_WIN32_FILE, Parameters->Policy.Path, cchPolicyPath, Parameters->Policy.Stream)); } // Add this manifest (and its policy file) to the context IFW32FALSE_EXIT( ::SxspAddRootManifestToActCtxGenCtx( pActCtxGenCtx, Parameters)); // Add its dependencies, and their dependencies, etc. until there's nothing more to add IFW32FALSE_EXIT_UNLESS( ::SxspCloseManifestGraph(pActCtxGenCtx), ((Parameters->Flags & SXS_GENERATE_ACTIVATION_CONTEXT_FLAG_SYSTEM_DEFAULT_TEXTUAL_ASSEMBLY_IDENTITY) && (::FusionpGetLastWin32Error() == ERROR_SXS_ROOT_MANIFEST_DEPENDENCY_NOT_INSTALLED)), fSxspCloseManifestGraph); if (fSxspCloseManifestGraph) { Parameters->SystemDefaultActCxtGenerationResult |= BASESRV_SXS_RETURN_RESULT_SYSTEM_DEFAULT_DEPENDENCY_ASSEMBLY_NOT_FOUND; fSuccess = TRUE; goto Exit; } // Build the activation context data blob. IFW32FALSE_EXIT(::SxspBuildActCtxData(pActCtxGenCtx, &Parameters->SectionObjectHandle)); fSuccess = TRUE; } Exit: #undef IS_NT_DOS_PATH // for system default stream, if (Parameters->Manifest.Stream == SystemDefaultManifestFileStream) Parameters->Manifest.Stream = NULL; if (pActCtxGenCtx) FUSION_DELETE_SINGLETON(pActCtxGenCtx); if (!fSuccess) // put a win32-error-message into eventlog { #if !DBG // misindented to reduce fiff BOOL fAreWeInOSSetupMode = FALSE; // // If we can't determine this, then let the first error through. // if (!::FusionpAreWeInOSSetupMode(&fAreWeInOSSetupMode) || !fAreWeInOSSetupMode) #endif { CSxsPreserveLastError ple; ::FusionpLogError( MSG_SXS_FUNCTION_CALL_FAIL, CEventLogString(L"Generate Activation Context"), (Parameters->Manifest.Path != NULL) ? CEventLogString(static_cast(Parameters->Manifest.Path)) : CEventLogString(L"Manifest Filename Unknown"), CEventLogLastError()); #if DBG ::DbgPrintSxsGenerateActivationContextParameters( FUSION_DBG_LEVEL_ERROR, Parameters, __FUNCTION__); #endif ple.Restore(); } } return fSuccess; }