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1280 lines
40 KiB
1280 lines
40 KiB
/*
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Copyright (c) Microsoft Corporation
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*/
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#include "stdinc.h"
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#include "fusionheap.h"
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#include "fusionbuffer.h"
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#include "fusionparser.h"
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#include "strongname.h"
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#include "cassemblyrecoveryinfo.h"
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#include "hashfile.h"
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#include "fusionhandle.h"
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#include "util.h"
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#include "sxsp.h"
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#include "recover.h"
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extern const UNICODE_STRING UnicodeString_URLHEAD_WINSOURCE =
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{
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sizeof(URLHEAD_WINSOURCE) - sizeof(URLHEAD_WINSOURCE[0]),
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sizeof(URLHEAD_WINSOURCE),
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const_cast<PWSTR>(URLHEAD_WINSOURCE)
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};
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class CSxspMapShortNameToAssemblyLocals
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{
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public:
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CSxspMapShortNameToAssemblyLocals() { }
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~CSxspMapShortNameToAssemblyLocals() { }
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CSmallStringBuffer buffManifestName;
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CSmallStringBuffer buffCatalogName;
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CStringBuffer buffKeyName;
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CSmallStringBuffer buffAcquiredShortName;
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};
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BOOL
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pMapShortNameToAssembly(
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IN OUT CBaseStringBuffer &rbuffAssemblyName,
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IN const CRegKey &hkInstallInfoKey,
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OUT CRegKey &hRequestedAsm,
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IN REGSAM rsReadRights = KEY_READ
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)
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{
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FN_PROLOG_WIN32
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CSmartPtr<CSxspMapShortNameToAssemblyLocals> Locals;
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IFW32FALSE_EXIT(Locals.Win32Allocate(__FILE__, __LINE__));
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CSmallStringBuffer &buffManifestName = Locals->buffManifestName;
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CSmallStringBuffer &buffCatalogName = Locals->buffCatalogName;
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DWORD dwIndex = 0;
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PCWSTR pszValueName = NULL;
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hRequestedAsm = CRegKey::GetInvalidValue();
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IFW32FALSE_EXIT(buffManifestName.Win32Assign(rbuffAssemblyName));
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IFW32FALSE_EXIT(buffManifestName.Win32Append(L".man", 4));
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IFW32FALSE_EXIT(buffCatalogName.Win32Assign(rbuffAssemblyName));
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IFW32FALSE_EXIT(buffCatalogName.Win32Append(L".cat", 4));
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//
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// Look for this under the CSMD_TOPLEVEL_SHORTNAME first
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//
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for (;;)
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{
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CStringBuffer &buffKeyName = Locals->buffKeyName;
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CSmallStringBuffer &buffAcquiredShortName = Locals->buffAcquiredShortName;
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BOOL fTempBoolean = FALSE;
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CRegKey hAsm;
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buffKeyName.Clear();
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buffAcquiredShortName.Clear();
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IFW32FALSE_EXIT(hkInstallInfoKey.EnumKey(
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dwIndex++,
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buffKeyName,
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NULL,
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&fTempBoolean));
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if (fTempBoolean)
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break;
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IFW32FALSE_EXIT(hkInstallInfoKey.OpenSubKey(hAsm, buffKeyName, rsReadRights));
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//
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// Get the value of the key
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//
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IFW32FALSE_EXIT(
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::FusionpRegQuerySzValueEx(
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FUSIONP_REG_QUERY_SZ_VALUE_EX_MISSING_GIVES_NULL_STRING,
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hAsm,
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CSMD_TOPLEVEL_SHORTNAME,
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buffAcquiredShortName));
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//
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// If the key was there to be read:
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//
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if (buffAcquiredShortName.Cch() != 0)
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{
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if (::FusionpEqualStringsI(
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buffAcquiredShortName,
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rbuffAssemblyName
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))
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{
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IFW32FALSE_EXIT(rbuffAssemblyName.Win32Assign(buffKeyName));
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IFW32FALSE_EXIT(hkInstallInfoKey.OpenSubKey( hRequestedAsm, buffKeyName, rsReadRights ) );
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break;
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}
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}
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//
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// Get the value of the key
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//
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IFW32FALSE_EXIT(
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::FusionpRegQuerySzValueEx(
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FUSIONP_REG_QUERY_SZ_VALUE_EX_MISSING_GIVES_NULL_STRING,
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hAsm,
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CSMD_TOPLEVEL_SHORTMANIFEST,
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buffAcquiredShortName));
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//
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// If the key was there to be read:
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//
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if (buffAcquiredShortName.Cch() != 0)
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{
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if (::FusionpEqualStringsI(
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buffAcquiredShortName,
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buffManifestName
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))
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{
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IFW32FALSE_EXIT(rbuffAssemblyName.Win32Assign(buffKeyName));
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IFW32FALSE_EXIT(hkInstallInfoKey.OpenSubKey(hRequestedAsm, buffKeyName, rsReadRights));
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break;
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}
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}
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//
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// Get the value of the key
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//
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IFW32FALSE_EXIT(
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::FusionpRegQuerySzValueEx(
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FUSIONP_REG_QUERY_SZ_VALUE_EX_MISSING_GIVES_NULL_STRING,
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hAsm,
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CSMD_TOPLEVEL_SHORTCATALOG,
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buffAcquiredShortName));
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//
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// If the key was there to be read:
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//
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if (buffAcquiredShortName.Cch() != 0)
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{
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if (::FusionpEqualStringsI(
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buffAcquiredShortName,
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buffCatalogName
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))
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{
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IFW32FALSE_EXIT(rbuffAssemblyName.Win32Assign(buffKeyName));
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IFW32FALSE_EXIT(hkInstallInfoKey.OpenSubKey(hRequestedAsm, buffKeyName, rsReadRights));
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break;
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}
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}
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}
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FN_EPILOG
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}
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class CAssemblyRecoveryInfoResolveCDRomURLLocals
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{
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public:
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CAssemblyRecoveryInfoResolveCDRomURLLocals()
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{
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rgchVolumeName[0] = 0;
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chBuffer[0] = 0;
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}
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~CAssemblyRecoveryInfoResolveCDRomURLLocals() { }
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CStringBuffer sbIdentKind, sbIdentData1, sbIdentData2;
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CSmallStringBuffer buffDriveStrings;
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WCHAR rgchVolumeName[MAX_PATH];
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CHAR chBuffer[MAX_PATH];
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CStringBuffer sbContents;
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};
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BOOL
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CAssemblyRecoveryInfo::ResolveCDRomURL(
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PCWSTR pszSource,
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CBaseStringBuffer &rsbDestination
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) const
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{
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BOOL fSuccess = TRUE;
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FN_TRACE_WIN32(fSuccess);
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CStringBufferAccessor acc;
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BOOL fFoundMedia = FALSE;
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CSmartPtr<CAssemblyRecoveryInfoResolveCDRomURLLocals> Locals;
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IFW32FALSE_EXIT(Locals.Win32Allocate(__FILE__, __LINE__));
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CStringBuffer & sbIdentKind = Locals->sbIdentKind;
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CStringBuffer & sbIdentData1 = Locals->sbIdentData1;
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CStringBuffer & sbIdentData2 = Locals->sbIdentData2;
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CSmallStringBuffer & buffDriveStrings = Locals->buffDriveStrings;
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SIZE_T HeadLength = 0;
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PCWSTR wcsCursor = NULL;
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ULONG ulSerialNumber = 0;
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CDRomSearchType SearchType = static_cast<CDRomSearchType>(0);
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PARAMETER_CHECK(pszSource != NULL);
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if (!_wcsnicmp(pszSource, URLHEAD_CDROM_TYPE_TAG, URLHEAD_LENGTH_CDROM_TYPE_TAG))
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{
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HeadLength = URLHEAD_LENGTH_CDROM_TYPE_TAG;
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SearchType = CDRST_Tagfile;
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}
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else if (!_wcsnicmp(
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pszSource,
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URLHEAD_CDROM_TYPE_SERIALNUMBER,
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URLHEAD_LENGTH_CDROM_TYPE_SERIALNUMBER))
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{
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HeadLength = URLHEAD_LENGTH_CDROM_TYPE_SERIALNUMBER;
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SearchType = CDRST_SerialNumber;
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}
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else if (!_wcsnicmp(
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pszSource,
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URLHEAD_CDROM_TYPE_VOLUMENAME,
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URLHEAD_LENGTH_CDROM_TYPE_VOLUMENAME))
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{
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HeadLength = URLHEAD_LENGTH_CDROM_TYPE_VOLUMENAME;
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SearchType = CDRST_VolumeName;
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}
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else
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{
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::FusionpSetLastWin32Error(ERROR_INVALID_PARAMETER);
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goto Exit;
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}
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//
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// Get the type of identifier here, and then move the cursor past them and
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// the slashes in the url.
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//
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IFW32FALSE_EXIT(sbIdentKind.Win32Assign(pszSource, HeadLength));
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pszSource += HeadLength;
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pszSource += wcsspn(pszSource, CUnicodeCharTraits::PathSeparators());
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//
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// Spin past slashes, assign chunklets
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//
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IFW32FALSE_EXIT(sbIdentData1.Win32Assign(pszSource, wcscspn(pszSource, CUnicodeCharTraits::PathSeparators())));
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pszSource += sbIdentData1.Cch();
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pszSource += wcsspn(pszSource, CUnicodeCharTraits::PathSeparators());
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//
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// If this is a tagfile, also get another blobbet of data off the string
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//
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if (SearchType == CDRST_Tagfile)
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{
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IFW32FALSE_EXIT(sbIdentData2.Win32Assign(pszSource, wcscspn(pszSource, CUnicodeCharTraits::PathSeparators())));
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pszSource += sbIdentData2.Cch();
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pszSource += wcsspn(pszSource, CUnicodeCharTraits::PathSeparators());
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}
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else if (SearchType == CDRST_SerialNumber)
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{
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IFW32FALSE_EXIT(CFusionParser::ParseULONG(
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ulSerialNumber,
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sbIdentData1,
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sbIdentData1.Cch(),
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16));
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}
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//
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// Now let's do ... interesting ... things to the CD-roms.
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//
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IFW32FALSE_EXIT(buffDriveStrings.Win32ResizeBuffer(GetLogicalDriveStringsW(0, NULL) + 1, eDoNotPreserveBufferContents));
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acc.Attach(&buffDriveStrings);
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IFW32FALSE_ORIGINATE_AND_EXIT(
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::GetLogicalDriveStringsW(
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static_cast<DWORD>(acc.GetBufferCch()),
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acc));
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acc.Detach();
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wcsCursor = buffDriveStrings;
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//
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// Look at all the found drive letters
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//
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while (wcsCursor && *wcsCursor && !fFoundMedia)
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{
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DWORD dwSerialNumber = 0;
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const DWORD dwDriveType = ::GetDriveTypeW(wcsCursor);
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|
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if (dwDriveType == DRIVE_CDROM)
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{
|
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//
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// I argue that a failure in GetVolumeInformationW isn't "bad enough"
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// to kill the call to this function. Instead, it should just skip
|
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// the check of the failed drive letter, as it does here.
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//
|
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if(!::GetVolumeInformationW(
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wcsCursor,
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Locals->rgchVolumeName,
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NUMBER_OF(Locals->rgchVolumeName),
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&dwSerialNumber,
|
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NULL,
|
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NULL,
|
|
NULL,
|
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0))
|
|
{
|
|
#if DBG
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::FusionpDbgPrintEx(
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FUSION_DBG_LEVEL_WFP,
|
|
"SXS.DLL: %s() - Failed getting volume information for drive letter %ls (Win32 Error = %ld), skipping\n",
|
|
__FUNCTION__,
|
|
wcsCursor,
|
|
::FusionpGetLastWin32Error());
|
|
#endif
|
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continue;
|
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}
|
|
|
|
|
|
switch (SearchType)
|
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{
|
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case CDRST_Tagfile:
|
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{
|
|
CFusionFile FileHandle;
|
|
CStringBuffer &sbContents = Locals->sbContents;
|
|
DWORD dwTextLength;
|
|
|
|
if (FileHandle.Win32CreateFile(sbIdentData1, GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING))
|
|
{
|
|
IFW32FALSE_ORIGINATE_AND_EXIT(
|
|
::ReadFile(
|
|
FileHandle,
|
|
Locals->chBuffer, NUMBER_OF(Locals->chBuffer),
|
|
&dwTextLength, NULL));
|
|
|
|
IFW32FALSE_EXIT(sbContents.Win32Assign(Locals->chBuffer, dwTextLength));
|
|
fFoundMedia = !_wcsnicmp(sbContents, sbIdentData2, sbIdentData2.Cch());
|
|
}
|
|
}
|
|
break;
|
|
case CDRST_SerialNumber:
|
|
fFoundMedia = (dwSerialNumber == ulSerialNumber);
|
|
break;
|
|
|
|
case CDRST_VolumeName:
|
|
fFoundMedia = (::FusionpStrCmpI(Locals->rgchVolumeName, sbIdentData1) == 0);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
if (!fFoundMedia)
|
|
wcsCursor += ::wcslen(wcsCursor) + 1;
|
|
}
|
|
|
|
if (fFoundMedia)
|
|
{
|
|
IFW32FALSE_EXIT(rsbDestination.Win32Assign(wcsCursor, ::wcslen(wcsCursor)));
|
|
IFW32FALSE_EXIT(rsbDestination.Win32AppendPathElement(pszSource, ::wcslen(pszSource)));
|
|
}
|
|
|
|
fSuccess = TRUE;
|
|
Exit:
|
|
|
|
//
|
|
// Failure indicated by an empty destination.
|
|
//
|
|
if (!fSuccess)
|
|
{
|
|
rsbDestination.Clear();
|
|
}
|
|
|
|
return fSuccess;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
BOOL
|
|
CAssemblyRecoveryInfo::ResolveWinSourceMediaURL(
|
|
PCWSTR wcsUrlTrailer,
|
|
CBaseStringBuffer &rsbDestination
|
|
) const
|
|
{
|
|
CStringBuffer buffWindowsInstallSource;
|
|
|
|
const static PCWSTR AssemblySourceStrings[] = {
|
|
WINSXS_INSTALL_SVCPACK_REGKEY,
|
|
WINSXS_INSTALL_SOURCEPATH_REGKEY
|
|
};
|
|
|
|
SIZE_T iWhichSource = 0;
|
|
BOOL fSuccess = TRUE;
|
|
BOOL fFoundCodebase = FALSE;
|
|
CFusionRegKey hkSetupInfo;
|
|
DWORD dwWasFromCDRom = 0;
|
|
|
|
FN_TRACE_WIN32(fSuccess);
|
|
|
|
PARAMETER_CHECK(wcsUrlTrailer != NULL);
|
|
|
|
IFREGFAILED_ORIGINATE_AND_EXIT(
|
|
::RegOpenKeyExW(
|
|
HKEY_LOCAL_MACHINE,
|
|
WINSXS_INSTALL_SOURCE_BASEDIR,
|
|
0,
|
|
KEY_READ | FUSIONP_KEY_WOW64_64KEY,
|
|
&hkSetupInfo));
|
|
|
|
if (!::FusionpRegQueryDwordValueEx(
|
|
0,
|
|
hkSetupInfo,
|
|
WINSXS_INSTALL_SOURCE_IS_CDROM,
|
|
&dwWasFromCDRom))
|
|
{
|
|
dwWasFromCDRom = 0;
|
|
}
|
|
|
|
while (iWhichSource < NUMBER_OF(AssemblySourceStrings))
|
|
{
|
|
IFW32FALSE_EXIT(
|
|
::FusionpRegQuerySzValueEx(
|
|
FUSIONP_REG_QUERY_SZ_VALUE_EX_MISSING_GIVES_NULL_STRING,
|
|
hkSetupInfo,
|
|
AssemblySourceStrings[iWhichSource],
|
|
buffWindowsInstallSource));
|
|
|
|
//
|
|
// This really _really_ should not be empty. If it is, then someone
|
|
// went and fiddled with the registry on us.
|
|
//
|
|
ASSERT(buffWindowsInstallSource.Cch() != 0);
|
|
if (buffWindowsInstallSource.Cch() == 0)
|
|
{
|
|
iWhichSource++;
|
|
continue;
|
|
}
|
|
|
|
//
|
|
// If this was from a CD, then spin through the list of CD's in the system
|
|
// and see if we can match the codebase against the root dir of the CD
|
|
//
|
|
if (dwWasFromCDRom)
|
|
{
|
|
CSmallStringBuffer buffDriveStrings;
|
|
CStringBufferAccessor acc;
|
|
PCWSTR pszCursor = NULL;
|
|
DWORD dwSize = 0;
|
|
|
|
IFW32FALSE_EXIT(
|
|
buffDriveStrings.Win32ResizeBuffer(
|
|
dwSize = (::GetLogicalDriveStringsW(0, NULL) + 1),
|
|
eDoNotPreserveBufferContents));
|
|
|
|
acc.Attach(&buffDriveStrings);
|
|
::GetLogicalDriveStringsW(
|
|
static_cast<DWORD>(acc.GetBufferCch()),
|
|
acc);
|
|
acc.Detach();
|
|
pszCursor = buffDriveStrings;
|
|
while (*pszCursor)
|
|
{
|
|
if (::GetDriveTypeW(pszCursor) == DRIVE_CDROM)
|
|
{
|
|
DWORD dwAttributes;
|
|
DWORD dwWin32Error;
|
|
|
|
IFW32FALSE_EXIT(rsbDestination.Win32Assign(pszCursor, ::wcslen(pszCursor)));
|
|
IFW32FALSE_EXIT(rsbDestination.Win32AppendPathElement(wcsUrlTrailer, ::wcslen(wcsUrlTrailer)));
|
|
|
|
IFW32FALSE_EXIT(
|
|
::SxspGetFileAttributesW(
|
|
rsbDestination,
|
|
dwAttributes,
|
|
dwWin32Error,
|
|
4,
|
|
ERROR_FILE_NOT_FOUND,
|
|
ERROR_PATH_NOT_FOUND,
|
|
ERROR_NOT_READY,
|
|
ERROR_ACCESS_DENIED));
|
|
|
|
if (dwWin32Error == ERROR_SUCCESS)
|
|
{
|
|
fFoundCodebase = TRUE;
|
|
FN_SUCCESSFUL_EXIT();
|
|
}
|
|
}
|
|
|
|
pszCursor += ::wcslen(pszCursor) + 1;
|
|
}
|
|
}
|
|
//
|
|
// This wasn't a CD-rom installation, so prepend the install source path to
|
|
// the string that was passed in.
|
|
//
|
|
else
|
|
{
|
|
IFW32FALSE_EXIT(rsbDestination.Win32Assign(buffWindowsInstallSource, buffWindowsInstallSource.Cch()));
|
|
IFW32FALSE_EXIT(rsbDestination.Win32AppendPathElement(wcsUrlTrailer, ::wcslen(wcsUrlTrailer)));
|
|
bool fExist = false;
|
|
IFW32FALSE_EXIT(::SxspDoesFileExist(SXSP_DOES_FILE_EXIST_FLAG_CHECK_DIRECTORY_ONLY, rsbDestination, fExist));
|
|
if (fExist)
|
|
{
|
|
fFoundCodebase = TRUE;
|
|
fSuccess = TRUE;
|
|
goto Exit;
|
|
}
|
|
}
|
|
|
|
iWhichSource++;
|
|
}
|
|
|
|
fSuccess = TRUE;
|
|
Exit:
|
|
if (!fFoundCodebase)
|
|
{
|
|
rsbDestination.Clear();
|
|
}
|
|
return fSuccess;
|
|
}
|
|
|
|
BOOL
|
|
CAssemblyRecoveryInfo::AssociateWithAssembly(
|
|
IN OUT CBaseStringBuffer &rsbSourceAssemblyName,
|
|
bool &rfNoAssembly
|
|
)
|
|
{
|
|
//
|
|
// First check the manifest that the assembly came out of. If it still exists,
|
|
// then nifty, go and load the info from it. Otherwise, we should look in the
|
|
// registry for information instead.
|
|
//
|
|
FN_PROLOG_WIN32
|
|
|
|
CFusionRegKey hInstallInfoKey;
|
|
CFusionRegKey hRequestedAsm;
|
|
|
|
rfNoAssembly = true;
|
|
|
|
//
|
|
// First attempt - try to load it directly off the root installation key.
|
|
//
|
|
if (!m_fLoadedAndReady)
|
|
{
|
|
IFW32FALSE_EXIT(this->Initialize());
|
|
IFW32FALSE_EXIT(::SxspOpenAssemblyInstallationKey(0, KEY_READ, hInstallInfoKey));
|
|
IFW32FALSE_EXIT(
|
|
hInstallInfoKey.OpenSubKey(
|
|
hRequestedAsm,
|
|
rsbSourceAssemblyName,
|
|
KEY_READ));
|
|
|
|
//
|
|
// This direct entry wasn't found, so let's go see if we can map it back to some
|
|
// other assembly name using the shortname stuff.
|
|
//
|
|
if (hRequestedAsm == CRegKey::GetInvalidValue())
|
|
{
|
|
IFW32FALSE_EXIT(
|
|
::pMapShortNameToAssembly(
|
|
rsbSourceAssemblyName, // if this is a short name of an assembly, this function would set this to be real assembly name if match is found
|
|
hInstallInfoKey,
|
|
hRequestedAsm));
|
|
|
|
//
|
|
// Still not found? Darn.
|
|
//
|
|
if (hRequestedAsm == CRegKey::GetInvalidValue())
|
|
FN_SUCCESSFUL_EXIT();
|
|
}
|
|
|
|
IFW32FALSE_EXIT(this->m_sbAssemblyDirectoryName.Win32Assign(rsbSourceAssemblyName));
|
|
IFW32FALSE_EXIT(this->m_SecurityMetaData.LoadFromRegistryKey(hRequestedAsm));
|
|
|
|
this->m_fLoadedAndReady = TRUE;
|
|
}
|
|
|
|
//
|
|
// Only set the "no assembly" if we were able to associate (before or
|
|
// above.)
|
|
//
|
|
if ( this->m_fLoadedAndReady )
|
|
rfNoAssembly = false;
|
|
|
|
FN_EPILOG
|
|
}
|
|
|
|
BOOL
|
|
SxspDetermineCodebaseType(
|
|
IN const CBaseStringBuffer &rcbuffUrlString,
|
|
OUT SxsWFPResolveCodebase &rcbaseType,
|
|
OUT CBaseStringBuffer *pbuffRemainder
|
|
)
|
|
{
|
|
FN_PROLOG_WIN32
|
|
|
|
PCWSTR pcwszStringTop = rcbuffUrlString;
|
|
SIZE_T cch = rcbuffUrlString.Cch();
|
|
SIZE_T i = 0;
|
|
CSmallStringBuffer buffTemp; // may be used if we mangle the URL text more
|
|
|
|
rcbaseType = CODEBASE_RESOLVED_URLHEAD_UNKNOWN;
|
|
|
|
if (pbuffRemainder != NULL)
|
|
pbuffRemainder->Clear();
|
|
|
|
#define ENTRY(_x) { URLHEAD_ ## _x, NUMBER_OF(URLHEAD_ ## _x) - 1, NUMBER_OF(URLHEAD_ ## _x) - 1, CODEBASE_RESOLVED_URLHEAD_ ## _x },
|
|
|
|
static const struct
|
|
{
|
|
PCWSTR pszPrefix;
|
|
SIZE_T cchPrefix;
|
|
SIZE_T cchAdvance;
|
|
SxsWFPResolveCodebase cbaseType;
|
|
} s_rgMap[] =
|
|
{
|
|
ENTRY(FILE)
|
|
ENTRY(WINSOURCE)
|
|
ENTRY(CDROM)
|
|
ENTRY(HTTP)
|
|
};
|
|
|
|
#undef ENTRY
|
|
|
|
for (i=0; i<NUMBER_OF(s_rgMap); i++)
|
|
{
|
|
if (_wcsnicmp(pcwszStringTop, s_rgMap[i].pszPrefix, s_rgMap[i].cchPrefix) == 0)
|
|
{
|
|
pcwszStringTop += s_rgMap[i].cchAdvance;
|
|
cch -= s_rgMap[i].cchAdvance;
|
|
rcbaseType = s_rgMap[i].cbaseType;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// If there wasn't an entry, we'll assume it's a simple file path.
|
|
if (i == NUMBER_OF(s_rgMap))
|
|
{
|
|
rcbaseType = CODEBASE_RESOLVED_URLHEAD_FILE;
|
|
}
|
|
else
|
|
{
|
|
// If it was a real file: codebase, there's ambiguity about whether there is supposed
|
|
// to be 0, 1, 2 or 3 slashes, so we'll just absorb up to 3 slashes to get to what hopefully
|
|
// is then a local path. e.g.
|
|
//
|
|
// file:c:\foo\bar.manifest
|
|
// file://c:\foo\bar.manifest
|
|
// file:///c:\foo\bar.manifest
|
|
//
|
|
// all turn into c:\foo\bar.manifest. The URL standard seems clear that non-absolute
|
|
// URLs are interpreted in the context of their containing document. In the case
|
|
// of a free-standing codebase, that would seem to mean that the hostname field is
|
|
// required, where the general form is (by my reading):
|
|
//
|
|
// file:[//[hostname]]/path
|
|
//
|
|
// it kind of makes sense to imagine that file:/c:\foo.manifest is reasonable; the only
|
|
// useful context to get the hostname from is the local machine. file:///c:\foo.manifest
|
|
// meets the standards for URLs not contained in a web document. file:c:\foo.manifest
|
|
// also makes sense if you believe the point of the slash is separate the hostname specification
|
|
// from the host-specific part of the URL, since if you're happy omitting the hostname
|
|
// part, there's nothing to separate. (Note that really file:c:\foo.manifest should
|
|
// be considered relative to the current document since it doesn't have the slash at the
|
|
// front of the name, but even less than we have a current hostname, we certainly
|
|
// don't have a point in the filesystem hierarchy that it makes sense to consider "current".)
|
|
//
|
|
// file://c:\foo\bar.manifest seems to have become popular even though it doesn't
|
|
// have any useful definition in any way shape or form. The two slashes should indicate
|
|
// that the next thing should be hostname; instead we see c:\
|
|
//
|
|
// That's all just a long-winded justifcation for absorbing up to 3 slashes at the
|
|
// beginning of the remainder of the string. If there are four or more, we'll let it fail
|
|
// as a bad path later on.
|
|
//
|
|
// mgrier 6/27/2001
|
|
|
|
if (rcbaseType == CODEBASE_RESOLVED_URLHEAD_FILE)
|
|
{
|
|
if ((cch > 0) && (pcwszStringTop[0] == L'/'))
|
|
{
|
|
cch--;
|
|
pcwszStringTop++;
|
|
}
|
|
if ((cch > 0) && (pcwszStringTop[0] == L'/'))
|
|
{
|
|
cch--;
|
|
pcwszStringTop++;
|
|
}
|
|
if ((cch > 0) && (pcwszStringTop[0] == L'/'))
|
|
{
|
|
cch--;
|
|
pcwszStringTop++;
|
|
}
|
|
}
|
|
else if (rcbaseType == CODEBASE_RESOLVED_URLHEAD_HTTP)
|
|
{
|
|
// Hey, on Whistler, we have the WebDAV redirector, so
|
|
// we can turn this URL into a UNC path!
|
|
bool fGeneratedUNCPath = false;
|
|
|
|
IFW32FALSE_EXIT(buffTemp.Win32Assign(L"\\\\", 2));
|
|
|
|
if (pcwszStringTop[0] == L'/')
|
|
{
|
|
if (pcwszStringTop[1] == L'/')
|
|
{
|
|
// http:// so far; the next thing must be a hostname!
|
|
PCWSTR pszSlash = wcschr(pcwszStringTop + 2, L'/');
|
|
|
|
if (pszSlash != NULL)
|
|
{
|
|
// //foo/bar (http: removed earlier...)
|
|
// pcwszStringTop == [0]
|
|
// pszSlash == [5]
|
|
// cch == 9
|
|
|
|
IFW32FALSE_EXIT(buffTemp.Win32Append(pcwszStringTop + 2, (pszSlash - pcwszStringTop) - 3));
|
|
IFW32FALSE_EXIT(buffTemp.Win32Append(L"\\", 1));
|
|
IFW32FALSE_EXIT(buffTemp.Win32Append(pszSlash + 1, cch - (pszSlash - pcwszStringTop) - 1));
|
|
|
|
fGeneratedUNCPath = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (fGeneratedUNCPath)
|
|
{
|
|
// poof, it's a file path
|
|
pcwszStringTop = buffTemp;
|
|
cch = buffTemp.Cch();
|
|
rcbaseType = CODEBASE_RESOLVED_URLHEAD_FILE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (pbuffRemainder != NULL)
|
|
{
|
|
IFW32FALSE_EXIT(
|
|
pbuffRemainder->Win32Assign(pcwszStringTop, cch));
|
|
}
|
|
#if DBG
|
|
{
|
|
CUnicodeString a(rcbuffUrlString, rcbuffUrlString.Cch());
|
|
CUnicodeString b(rcbuffUrlString, (cch <= rcbuffUrlString.Cch()) ? (rcbuffUrlString.Cch() - cch) : 0);
|
|
CUnicodeString c(pcwszStringTop, (cch <= ::wcslen(pcwszStringTop)) ? cch : 0);
|
|
|
|
::FusionpDbgPrintEx(
|
|
FUSION_DBG_LEVEL_WFP,
|
|
"SXS: %s - split \"%wZ\" into \"%wZ\" and \"%wZ\"\n",
|
|
__FUNCTION__, &a, &b, &c);
|
|
}
|
|
#endif
|
|
|
|
FN_EPILOG
|
|
}
|
|
|
|
BOOL
|
|
CAssemblyRecoveryInfo::CopyValue(const CAssemblyRecoveryInfo& other)
|
|
{
|
|
BOOL bSuccess = FALSE;
|
|
|
|
FN_TRACE_WIN32(bSuccess);
|
|
|
|
if (&other != this)
|
|
{
|
|
IFW32FALSE_EXIT(m_sbAssemblyDirectoryName.Win32Assign(other.m_sbAssemblyDirectoryName));
|
|
IFW32FALSE_EXIT(m_SecurityMetaData.Initialize(other.m_SecurityMetaData));
|
|
m_fLoadedAndReady = other.m_fLoadedAndReady;
|
|
}
|
|
|
|
bSuccess = TRUE;
|
|
Exit:
|
|
if ( !bSuccess )
|
|
{
|
|
this->m_fLoadedAndReady = FALSE;
|
|
}
|
|
|
|
return bSuccess;
|
|
}
|
|
|
|
|
|
BOOL
|
|
CAssemblyRecoveryInfo::SetAssemblyIdentity(
|
|
IN PCASSEMBLY_IDENTITY pcidAssembly
|
|
)
|
|
{
|
|
FN_PROLOG_WIN32
|
|
CTinyStringBuffer sbTextualEncoding;
|
|
IFW32FALSE_EXIT(::SxspGenerateTextualIdentity(0, pcidAssembly, sbTextualEncoding));
|
|
IFW32FALSE_EXIT( this->SetAssemblyIdentity( sbTextualEncoding ) );
|
|
|
|
FN_EPILOG
|
|
}
|
|
|
|
class CAssemblyRecoveryInfoPrepareForWritingLocals
|
|
{
|
|
public:
|
|
CAssemblyRecoveryInfoPrepareForWritingLocals() { }
|
|
~CAssemblyRecoveryInfoPrepareForWritingLocals() { }
|
|
|
|
CStringBuffer buffTemp1;
|
|
CStringBuffer buffTemp2;
|
|
CSmallStringBuffer buffAsmRoot;
|
|
CStringBuffer buffManifestPath;
|
|
};
|
|
|
|
BOOL
|
|
CAssemblyRecoveryInfo::PrepareForWriting()
|
|
{
|
|
FN_PROLOG_WIN32
|
|
|
|
CSmartPtrWithNamedDestructor<ASSEMBLY_IDENTITY, &::SxsDestroyAssemblyIdentity> pIdentity;
|
|
|
|
CSmartPtr<CAssemblyRecoveryInfoPrepareForWritingLocals> Locals;
|
|
IFW32FALSE_EXIT(Locals.Win32Allocate(__FILE__, __LINE__));
|
|
CSmallStringBuffer &buffAsmRoot = Locals->buffAsmRoot;
|
|
CStringBuffer &buffTemp1 = Locals->buffTemp1;
|
|
CStringBuffer &buffTemp2 = Locals->buffTemp2;
|
|
const CBaseStringBuffer& OurTextualIdentity = m_SecurityMetaData.GetTextualIdentity();
|
|
BOOL fIsPolicy = FALSE;
|
|
DWORD dwWin32Error = 0;
|
|
|
|
::FusionpDbgPrintEx(
|
|
FUSION_DBG_LEVEL_WFP,
|
|
"SXS.DLL: %s - handling assembly \"%ls\"\n",
|
|
__FUNCTION__,
|
|
static_cast<PCWSTR>(OurTextualIdentity));
|
|
|
|
IFW32FALSE_EXIT(::SxspGetAssemblyRootDirectory(buffAsmRoot));
|
|
IFW32FALSE_EXIT(::SxspCreateAssemblyIdentityFromTextualString(OurTextualIdentity, &pIdentity));
|
|
IFW32FALSE_EXIT(::SxspDetermineAssemblyType(pIdentity, fIsPolicy));
|
|
|
|
//
|
|
// It's likely that this short name hasn't been generated yet, mostly because the files
|
|
// may not have been copied around just yet.
|
|
//
|
|
if (this->m_SecurityMetaData.GetInstalledDirShortName().Cch() == 0)
|
|
{
|
|
IFW32FALSE_EXIT(
|
|
::SxspGenerateSxsPath(
|
|
fIsPolicy ? SXSP_GENERATE_SXS_PATH_FLAG_OMIT_VERSION : 0,
|
|
SXSP_GENERATE_SXS_PATH_PATHTYPE_ASSEMBLY | ( fIsPolicy ? SXSP_GENERATE_SXS_PATH_PATHTYPE_POLICY : 0 ),
|
|
buffAsmRoot,
|
|
buffAsmRoot.Cch(),
|
|
pIdentity,
|
|
NULL,
|
|
buffTemp2));
|
|
|
|
IFW32FALSE_EXIT(
|
|
::SxspGetShortPathName(
|
|
buffTemp2,
|
|
buffTemp1,
|
|
dwWin32Error,
|
|
4,
|
|
ERROR_PATH_NOT_FOUND, ERROR_FILE_NOT_FOUND, ERROR_BAD_NET_NAME, ERROR_BAD_NETPATH));
|
|
|
|
if (dwWin32Error == ERROR_SUCCESS)
|
|
{
|
|
IFW32FALSE_EXIT(buffTemp1.Win32RemoveTrailingPathSeparators());
|
|
IFW32FALSE_EXIT(buffTemp1.Win32GetLastPathElement(buffTemp2));
|
|
IFW32FALSE_EXIT(m_SecurityMetaData.SetInstalledDirShortName(buffTemp2));
|
|
|
|
::FusionpDbgPrintEx(
|
|
FUSION_DBG_LEVEL_WFP,
|
|
"SXS: %s - decided that the short dir name is \"%ls\"\n",
|
|
__FUNCTION__,
|
|
static_cast<PCWSTR>(buffTemp2));
|
|
}
|
|
else
|
|
{
|
|
::FusionpDbgPrintEx(
|
|
FUSION_DBG_LEVEL_WFP,
|
|
"SXS: %s - unable to determine short name for \"%ls\"\n",
|
|
__FUNCTION__,
|
|
static_cast<PCWSTR>(buffTemp2));
|
|
}
|
|
}
|
|
|
|
//
|
|
// Get the public key token string
|
|
//
|
|
{
|
|
PCWSTR wchString = NULL;
|
|
SIZE_T cchString = 0;
|
|
CFusionByteArray baStrongNameBits;
|
|
|
|
IFW32FALSE_EXIT(::SxspGetAssemblyIdentityAttributeValue(
|
|
SXSP_GET_ASSEMBLY_IDENTITY_ATTRIBUTE_VALUE_FLAG_NOT_FOUND_RETURNS_NULL,
|
|
pIdentity,
|
|
&s_IdentityAttribute_publicKeyToken,
|
|
&wchString,
|
|
&cchString));
|
|
|
|
if (cchString != 0)
|
|
{
|
|
IFW32FALSE_EXIT(::SxspHashStringToBytes(wchString, cchString, baStrongNameBits));
|
|
IFW32FALSE_EXIT(m_SecurityMetaData.SetSignerPublicKeyTokenBits(baStrongNameBits));
|
|
}
|
|
}
|
|
|
|
//
|
|
// And now the short name of the manifest and catalog, but only if this
|
|
// isn't a policy
|
|
//
|
|
if (!fIsPolicy)
|
|
{
|
|
CStringBuffer &buffManifestPath = Locals->buffManifestPath;
|
|
|
|
IFW32FALSE_EXIT(
|
|
::SxspCreateManifestFileNameFromTextualString(
|
|
0,
|
|
( fIsPolicy ? SXSP_GENERATE_SXS_PATH_PATHTYPE_POLICY : SXSP_GENERATE_SXS_PATH_PATHTYPE_MANIFEST ),
|
|
buffAsmRoot,
|
|
OurTextualIdentity,
|
|
buffManifestPath));
|
|
|
|
// Get the manifest short path first
|
|
IFW32FALSE_EXIT(::SxspGetShortPathName(buffManifestPath, buffTemp1));
|
|
IFW32FALSE_EXIT(buffTemp1.Win32GetLastPathElement(buffTemp2));
|
|
|
|
::FusionpDbgPrintEx(
|
|
FUSION_DBG_LEVEL_WFP,
|
|
"SXS: %s - manifest short path name determined to be \"%ls\"\n",
|
|
__FUNCTION__,
|
|
static_cast<PCWSTR>(buffTemp2));
|
|
|
|
IFW32FALSE_EXIT(m_SecurityMetaData.SetShortManifestPath(buffTemp2));
|
|
|
|
// Then swap extensions, get the catalog short path
|
|
IFW32FALSE_EXIT(
|
|
buffManifestPath.Win32ChangePathExtension(
|
|
FILE_EXTENSION_CATALOG,
|
|
FILE_EXTENSION_CATALOG_CCH,
|
|
eAddIfNoExtension));
|
|
|
|
IFW32FALSE_EXIT(::SxspGetShortPathName(buffManifestPath, buffTemp1));
|
|
IFW32FALSE_EXIT(buffTemp1.Win32GetLastPathElement(buffTemp2));
|
|
|
|
::FusionpDbgPrintEx(
|
|
FUSION_DBG_LEVEL_WFP,
|
|
"SXS: %s - catalog short path name determined to be \"%ls\"\n",
|
|
__FUNCTION__,
|
|
static_cast<PCWSTR>(buffTemp2));
|
|
|
|
IFW32FALSE_EXIT(m_SecurityMetaData.SetShortCatalogPath(buffTemp2));
|
|
}
|
|
|
|
FN_EPILOG
|
|
|
|
}
|
|
|
|
BOOL
|
|
CAssemblyRecoveryInfo::WriteSecondaryAssemblyInfoIntoRegistryKey(
|
|
CRegKey & rhkRegistryNode
|
|
) const
|
|
{
|
|
if (SXS_AVOID_WRITING_REGISTRY)
|
|
return TRUE;
|
|
|
|
FN_PROLOG_WIN32
|
|
|
|
IFW32FALSE_EXIT(m_SecurityMetaData.WriteSecondaryAssemblyInfoIntoRegistryKey(rhkRegistryNode));
|
|
|
|
FN_EPILOG
|
|
}
|
|
|
|
BOOL
|
|
CAssemblyRecoveryInfo::WritePrimaryAssemblyInfoToRegistryKey(
|
|
ULONG Flags,
|
|
CRegKey & rhkRegistryNode
|
|
) const
|
|
{
|
|
if (SXS_AVOID_WRITING_REGISTRY)
|
|
return TRUE;
|
|
|
|
FN_PROLOG_WIN32
|
|
|
|
PARAMETER_CHECK((Flags & ~(SXSP_WRITE_PRIMARY_ASSEMBLY_INFO_TO_REGISTRY_KEY_FLAG_REFRESH)) == 0);
|
|
ULONG Flags2 = 0;
|
|
|
|
if (Flags & SXSP_WRITE_PRIMARY_ASSEMBLY_INFO_TO_REGISTRY_KEY_FLAG_REFRESH)
|
|
{
|
|
Flags2 |= SXSP_WRITE_PRIMARY_ASSEMBLY_INFO_INTO_REGISTRY_KEY_FLAG_REFRESH;
|
|
#if DBG
|
|
::FusionpDbgPrintEx(
|
|
FUSION_DBG_LEVEL_WFP | FUSION_DBG_LEVEL_INSTALLATION,
|
|
"SXS.DLL: %s - propping recovery flag to WritePrimaryAssemblyInfoIntoRegistryKey\n",
|
|
__FUNCTION__);
|
|
#endif
|
|
}
|
|
|
|
IFW32FALSE_EXIT(m_SecurityMetaData.WritePrimaryAssemblyInfoIntoRegistryKey(Flags2, rhkRegistryNode));
|
|
|
|
FN_EPILOG
|
|
}
|
|
|
|
BOOL
|
|
CAssemblyRecoveryInfo::OpenInstallationSubKey(
|
|
CFusionRegKey& hkSingleAssemblyInfo,
|
|
DWORD OpenOrCreate,
|
|
DWORD Access)
|
|
{
|
|
FN_PROLOG_WIN32
|
|
|
|
CSmallStringBuffer buffRegKeyName;
|
|
CFusionRegKey hkAllInstallationInfo;
|
|
CSmartPtrWithNamedDestructor<ASSEMBLY_IDENTITY, &::SxsDestroyAssemblyIdentity> pAssemblyIdentity;
|
|
|
|
IFW32FALSE_EXIT(::SxspOpenAssemblyInstallationKey(
|
|
0,
|
|
OpenOrCreate,
|
|
hkAllInstallationInfo));
|
|
|
|
IFW32FALSE_EXIT( SxspCreateAssemblyIdentityFromTextualString(
|
|
this->m_SecurityMetaData.GetTextualIdentity(),
|
|
&pAssemblyIdentity ) );
|
|
|
|
IFW32FALSE_EXIT( ::SxspGenerateSxsPath(
|
|
SXSP_GENERATE_SXS_PATH_FLAG_OMIT_ROOT,
|
|
SXSP_GENERATE_SXS_PATH_PATHTYPE_ASSEMBLY,
|
|
NULL, 0,
|
|
pAssemblyIdentity,
|
|
NULL,
|
|
buffRegKeyName ) );
|
|
|
|
IFW32FALSE_EXIT( hkAllInstallationInfo.OpenSubKey(
|
|
hkSingleAssemblyInfo,
|
|
buffRegKeyName,
|
|
Access,
|
|
0));
|
|
|
|
FN_EPILOG
|
|
}
|
|
|
|
VOID
|
|
CAssemblyRecoveryInfo::RestorePreviouslyExistingRegistryData()
|
|
{
|
|
FN_PROLOG_VOID
|
|
if (m_fHadCatalog)
|
|
{
|
|
CFusionRegKey hkSingleAssemblyInfo;
|
|
|
|
#if DBG
|
|
::FusionpDbgPrintEx(
|
|
FUSION_DBG_LEVEL_INSTALLATION,
|
|
"SXS.DLL: %s() - restoring registry data for %ls\n",
|
|
__FUNCTION__,
|
|
static_cast<PCWSTR>(this->m_SecurityMetaData.GetTextualIdentity()));
|
|
#endif
|
|
|
|
IFW32FALSE_EXIT(
|
|
this->OpenInstallationSubKey(
|
|
hkSingleAssemblyInfo,
|
|
KEY_CREATE_SUB_KEY, KEY_WRITE | KEY_READ | FUSIONP_KEY_WOW64_64KEY));
|
|
|
|
IFW32FALSE_EXIT(
|
|
hkSingleAssemblyInfo.SetValue(
|
|
CSMD_TOPLEVEL_CATALOG,
|
|
static_cast<DWORD>(1)));
|
|
}
|
|
FN_EPILOG
|
|
}
|
|
|
|
BOOL
|
|
CAssemblyRecoveryInfo::ClearExistingRegistryData()
|
|
{
|
|
if (SXS_AVOID_WRITING_REGISTRY)
|
|
return TRUE;
|
|
|
|
//
|
|
// Do not be so eager to delete registry metadata, so that
|
|
// an assembly for which refresh failed might succeed if another
|
|
// file change comes in, or sfc /scannow.
|
|
//
|
|
// As well, if a replace-existing install fails, don't destroy
|
|
// the metadata for previously successfully installed instances
|
|
// of the same assembly.
|
|
//
|
|
const static struct
|
|
{
|
|
PCWSTR Data;
|
|
SIZE_T Length;
|
|
}
|
|
DeletableValues[] =
|
|
{
|
|
#define ENTRY(x) { x, NUMBER_OF(x) - 1 }
|
|
ENTRY(CSMD_TOPLEVEL_CATALOG),
|
|
};
|
|
#undef ENTRY
|
|
|
|
static const PCWSTR DeletableKeys[] =
|
|
{
|
|
NULL,
|
|
};
|
|
|
|
FN_PROLOG_WIN32
|
|
|
|
|
|
CFusionRegKey hkSingleAssemblyInfo;
|
|
IFW32FALSE_EXIT(this->OpenInstallationSubKey(hkSingleAssemblyInfo, KEY_CREATE_SUB_KEY, KEY_WRITE | KEY_READ | FUSIONP_KEY_WOW64_64KEY));
|
|
|
|
//
|
|
// We need to delete the installation information for a single assembly - everything
|
|
// this class owns.
|
|
//
|
|
if ( hkSingleAssemblyInfo != CFusionRegKey::GetInvalidValue() )
|
|
{
|
|
ULONG ul = 0;
|
|
//
|
|
// Clear values
|
|
//
|
|
for ( ul = 0; ul < NUMBER_OF(DeletableValues); ul++ )
|
|
{
|
|
DWORD dwWin32Error = NO_ERROR;
|
|
|
|
IFW32FALSE_EXIT(
|
|
hkSingleAssemblyInfo.DeleteValue(
|
|
DeletableValues[ul].Data,
|
|
dwWin32Error,
|
|
2,
|
|
ERROR_PATH_NOT_FOUND, ERROR_FILE_NOT_FOUND));
|
|
|
|
if (dwWin32Error == NO_ERROR
|
|
&& !m_fHadCatalog
|
|
&& ::FusionpEqualStrings(
|
|
DeletableValues[ul].Data,
|
|
DeletableValues[ul].Length,
|
|
CSMD_TOPLEVEL_CATALOG,
|
|
NUMBER_OF(CSMD_TOPLEVEL_CATALOG) - 1,
|
|
FALSE
|
|
))
|
|
{
|
|
m_fHadCatalog = true;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Delete eligible keys
|
|
//
|
|
for ( ul = 0; ul < NUMBER_OF(DeletableKeys); ul++ )
|
|
{
|
|
if (DeletableKeys[ul] != NULL && DeletableKeys[ul][0] != L'\0')
|
|
{
|
|
CFusionRegKey hkTempKey;
|
|
IFW32FALSE_EXIT(hkSingleAssemblyInfo.OpenSubKey(hkTempKey, DeletableKeys[ul], KEY_WRITE, 0));
|
|
if ( hkTempKey != CFusionRegKey::GetInvalidValue() )
|
|
{
|
|
IFW32FALSE_EXIT(hkTempKey.DestroyKeyTree());
|
|
IFW32FALSE_EXIT(hkSingleAssemblyInfo.DeleteKey(DeletableKeys[ul]));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
FN_EPILOG
|
|
}
|
|
|
|
|
|
|
|
BOOL
|
|
SxspLooksLikeAssemblyDirectoryName(
|
|
const CBaseStringBuffer &rsbSupposedAsmDirectoryName,
|
|
BOOL &rfLooksLikeAssemblyName
|
|
)
|
|
/*++
|
|
Most of this was copied directly from SxspParseAssemblyReference, which
|
|
is no longer valid, because it can't know how to turn the string back
|
|
into the actual assembly reference just based on the hash value and
|
|
public key of a string.
|
|
--*/
|
|
{
|
|
FN_PROLOG_WIN32
|
|
|
|
PCWSTR pszCursor = NULL;
|
|
PCWSTR wsNextBlock = NULL;
|
|
SIZE_T cchSegment = 0;
|
|
ASSEMBLY_VERSION Version;
|
|
const WCHAR UNDERSCORE = L'_';
|
|
bool fSyntaxValid = false;
|
|
bool fAttributeValid = false;
|
|
|
|
rfLooksLikeAssemblyName = FALSE;
|
|
|
|
pszCursor = rsbSupposedAsmDirectoryName;
|
|
|
|
//
|
|
// Processor architecture
|
|
//
|
|
|
|
if ((wsNextBlock = ::StringFindChar(pszCursor, UNDERSCORE)) == NULL)
|
|
FN_SUCCESSFUL_EXIT();
|
|
|
|
if ((cchSegment = (wsNextBlock - pszCursor)) == 0)
|
|
FN_SUCCESSFUL_EXIT();
|
|
|
|
IFW32FALSE_EXIT(::FusionpParseProcessorArchitecture(pszCursor, cchSegment, NULL, fAttributeValid));
|
|
if (!fAttributeValid)
|
|
FN_SUCCESSFUL_EXIT();
|
|
|
|
pszCursor = wsNextBlock + 1;
|
|
|
|
//
|
|
// Name
|
|
//
|
|
if ((wsNextBlock = StringFindChar(pszCursor, UNDERSCORE)) == NULL)
|
|
FN_SUCCESSFUL_EXIT();
|
|
|
|
if ((cchSegment = wsNextBlock - pszCursor) == 0)
|
|
FN_SUCCESSFUL_EXIT();
|
|
|
|
pszCursor = wsNextBlock + 1;
|
|
|
|
//
|
|
// Public key string
|
|
//
|
|
|
|
if ((wsNextBlock = StringFindChar(pszCursor, UNDERSCORE)) == NULL)
|
|
FN_SUCCESSFUL_EXIT();
|
|
|
|
if ((cchSegment = wsNextBlock - pszCursor) == 0)
|
|
FN_SUCCESSFUL_EXIT();
|
|
|
|
if ((::FusionpCompareStrings(
|
|
pszCursor,
|
|
cchSegment,
|
|
SXS_ASSEMBLY_IDENTITY_STD_ATTRIBUTE_PUBLICKEY_MISSING_VALUE,
|
|
NUMBER_OF(SXS_ASSEMBLY_IDENTITY_STD_ATTRIBUTE_PUBLICKEY_MISSING_VALUE) - 1,
|
|
true) == 0) ||
|
|
!::SxspIsFullHexString(pszCursor, cchSegment))
|
|
FN_SUCCESSFUL_EXIT();
|
|
|
|
pszCursor = wsNextBlock + 1;
|
|
|
|
//
|
|
// Version string
|
|
//
|
|
if ((wsNextBlock = StringFindChar(pszCursor, UNDERSCORE)) == NULL)
|
|
FN_SUCCESSFUL_EXIT();
|
|
|
|
if ((cchSegment = wsNextBlock - pszCursor) == 0)
|
|
FN_SUCCESSFUL_EXIT();
|
|
|
|
IFW32FALSE_EXIT(CFusionParser::ParseVersion(Version, pszCursor, cchSegment, fSyntaxValid));
|
|
if (!fSyntaxValid)
|
|
FN_SUCCESSFUL_EXIT();
|
|
|
|
pszCursor = wsNextBlock + 1;
|
|
|
|
//
|
|
// Language ID
|
|
//
|
|
if ((wsNextBlock = ::StringFindChar(pszCursor, UNDERSCORE)) == NULL)
|
|
FN_SUCCESSFUL_EXIT();
|
|
|
|
if ((cchSegment = wsNextBlock - pszCursor) == 0)
|
|
FN_SUCCESSFUL_EXIT();
|
|
|
|
//
|
|
// BUGBUG (jonwis) - It seems that langids are no longer four-character hex
|
|
// string representations of shorts anymore. All we're checking at the moment
|
|
// is to see that the string isn't blank. Is this the Right Thing?
|
|
//
|
|
pszCursor = wsNextBlock + 1;
|
|
|
|
//
|
|
// Last block should just be the hash
|
|
//
|
|
if (!::SxspIsFullHexString(pszCursor, ::wcslen(pszCursor)))
|
|
FN_SUCCESSFUL_EXIT();
|
|
|
|
// We ran the gauntlet; all the segments of the path look good, let's use it.
|
|
rfLooksLikeAssemblyName = TRUE;
|
|
|
|
FN_EPILOG
|
|
}
|
|
|