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