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1042 lines
35 KiB
1042 lines
35 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1996 - 2000.
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//
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// File: webhits.cxx
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//
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// History: 05-20-96 t-matts Created
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// 03-03-97 dlee Converted to isapi
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//
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// Contents: This is the main() for the hit-highliting feature. The
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// CGI environment variables are read, yielding the filename
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// and the textual form of the restriction. The textual form
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// is then converted to internal form. The document is then
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// scanned for hits, and the positions contained in those
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// hits are sorted. Finally, HTML tags are inserted in the order
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// in which the distinct positions appear in the document, to
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// allow the user to navigate.
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//
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//--------------------------------------------------------------------------
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#include<pch.cxx>
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#pragma hdrstop
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#include <cidebug.hxx>
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#include <codepage.hxx>
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#include <ciregkey.hxx>
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#include <regacc.hxx>
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#include <cpid.hxx>
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#include <dblink.hxx>
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#include <imprsnat.hxx>
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#include <regevent.hxx>
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#include <dynstack.hxx>
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#include <cimbmgr.hxx>
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#include <xolemem.hxx>
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#include "webhits.hxx"
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#include "webdbg.hxx"
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#include "whmsg.h"
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#include "linkhits.hxx"
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#define _DECL_DLLMAIN 1
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DECLARE_INFOLEVEL (web);
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DECLARE_INFOLEVEL (ci);
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const int ERROR_MESSAGE_SIZE=512;
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BOOL g_fShutdown = TRUE;
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LONG g_cThreads = 0;
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CWebhitsInfo * g_pWebhitsInfo = 0;
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void OutputErrorMessage( CWebServer & webServer,
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CLanguageInfo & LanguageInfo,
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DWORD dwMsgId,
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WCHAR const * pwcIdqPPath,
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WCHAR const * pwcIdqVPath,
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WCHAR const * pwcHtwPPath,
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WCHAR const * pwcHtwVPath,
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WCHAR const * pwcWebhitsPPath,
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WCHAR const * pwcWebhitsVPath,
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WCHAR const * pwszDefaultMsg = 0,
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WCHAR const * pwszFileName = 0,
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ULONG ulFileLine = 0 );
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//+---------------------------------------------------------------------------
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//
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// Function: GetVPathInfo
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//
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// Synopsis: Convers a vpath to a ppath
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//
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// Arguments: [webServer] -- Used for the translation
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// [pwcVPath] -- VPath to translate
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// [dwAccessMask] -- Access required for file, or 0 for none
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// [dwFlags] -- Returns vpath flags (HSE_URL_FLAGS_*)
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//
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// Returns: pointer to PPath allocated on the heap.
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//
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// History: 3-04-97 dlee Created
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//
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//----------------------------------------------------------------------------
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WCHAR * GetVPathInfo(
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CWebServer & webServer,
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WCHAR const * pwcVPath,
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DWORD dwAccessMask,
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DWORD & dwFlags )
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{
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WCHAR *pwc = 0;
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TRY
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{
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WCHAR awcPPath[MAX_PATH];
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dwFlags = webServer.GetPhysicalPath( pwcVPath,
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awcPPath,
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sizeof awcPPath / sizeof WCHAR,
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dwAccessMask );
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if ( ( 0 == wcsstr( awcPPath, L"../" ) ) &&
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( 0 == wcsstr( awcPPath, L"..\\" ) ) )
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{
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ULONG cwc = wcslen( awcPPath ) + 1;
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pwc = new WCHAR[ cwc ];
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RtlCopyMemory( pwc, awcPPath, cwc * sizeof WCHAR );
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}
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}
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CATCH( CException, e )
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{
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// returning 0 is sufficient
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}
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END_CATCH
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return pwc;
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} //GetVPathInfo
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//+---------------------------------------------------------------------------
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//
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// Function: GetWebhitsVPathInfo
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//
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// Synopsis: Converts vpaths to ppaths for the query, template, and
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// webhits files.
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//
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// Arguments: [vars] -- Source of vpaths, sink of ppaths
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// [webServer] -- Used for the translations
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//
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// History: 9-06-96 srikants Created
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//
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//----------------------------------------------------------------------------
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void GetWebhitsVPathInfo(
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CGetEnvVars & vars,
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CWebServer & webServer )
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{
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// Translate the path of the query (idq) file if one is given.
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DWORD dwFlags;
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if ( vars.GetQueryFileVPath() )
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{
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WCHAR * pwc = GetVPathInfo( webServer,
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vars.GetQueryFileVPath(),
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0,
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dwFlags );
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if ( 0 == pwc )
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THROW( CWTXException( MSG_WEBHITS_IDQ_NOT_FOUND,
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vars.GetQueryFileVPath(),
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0 ) );
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vars.AcceptQueryFilePPath( pwc, dwFlags );
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webDebugOut(( DEB_ITRACE, "Query file '%ws'\n", pwc ));
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}
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// Translate the path of the template (htw) file if one is given.
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if ( vars.GetTemplateFileVPath() )
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{
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WCHAR * pwc = GetVPathInfo( webServer,
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vars.GetTemplateFileVPath(),
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0,
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dwFlags );
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if ( 0 == pwc )
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THROW( CWTXException( MSG_WEBHITS_NO_SUCH_TEMPLATE,
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vars.GetTemplateFileVPath(),
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0 ) );
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vars.AcceptTemplateFilePPath( pwc, dwFlags );
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webDebugOut(( DEB_ITRACE, "Template file '%ws'\n", pwc ));
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}
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// Translate the path of the WebHits file being displayed. Read access
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// is required for this file.
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if ( vars.GetWebHitsFileVPath() )
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{
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WCHAR * pwc = GetVPathInfo( webServer,
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vars.GetWebHitsFileVPath(),
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HSE_URL_FLAGS_READ,
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dwFlags );
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if ( 0 == pwc )
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THROW( CException(MSG_WEBHITS_PATH_INVALID) );
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vars.AcceptWebHitsFilePPath( pwc, dwFlags );
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webDebugOut(( DEB_ITRACE, "WebHits file '%ws'\n", pwc ));
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}
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else
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{
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THROW( CException(MSG_WEBHITS_PATH_INVALID) );
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}
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} //GetWebhitsVPathInfo
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//+---------------------------------------------------------------------------
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//
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// Function: ProcessWebRequest
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//
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// Synopsis: Main driver method for webhits.
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//
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// Arguments: [webServer] -- web server to use
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//
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// History: 9-04-96 srikants Created
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//
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//----------------------------------------------------------------------------
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DWORD ProcessWebRequest( CWebServer & webServer )
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{
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DWORD hse = HSE_STATUS_SUCCESS;
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//
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// Initialize the locale and codepage.
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//
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LCID lcid = GetLCID( webServer );
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ULONG urlCodePage = GetBrowserCodepage( webServer, lcid );
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CLanguageInfo langInfo;
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//
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// Set the client and output locale info to be the same as
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// the client info. If a different value is set
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// via CiLocale, it will be changed when the querystring is parsed.
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//
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langInfo.SetUrlLangInfo( urlCodePage, lcid );
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langInfo.SetRestrictionLangInfo( urlCodePage, lcid );
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CURLUnescaper unescaper( langInfo.GetUrlCodePage() );
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CCollectVar varRetriever( unescaper, webServer );
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XArray<WCHAR> xwszQueryFile;
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WCHAR awcWebhitsPPath[ MAX_PATH ];
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WCHAR awcWebhitsVPath[ MAX_PATH ];
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WCHAR awcIdqPPath[ MAX_PATH ];
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WCHAR awcIdqVPath[ MAX_PATH ];
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WCHAR awcHtwPPath[ MAX_PATH ];
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WCHAR awcHtwVPath[ MAX_PATH ];
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WCHAR const * pwcWebhitsPPath = 0;
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WCHAR const * pwcWebhitsVPath = 0;
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WCHAR const * pwcIdqPPath = 0;
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WCHAR const * pwcIdqVPath = 0;
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WCHAR const * pwcHtwPPath = 0;
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WCHAR const * pwcHtwVPath = 0;
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TRY
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{
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//
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// Refresh the registry values if necessary
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//
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g_pWebhitsInfo->Refresh();
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//
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// Are there too many threads doing webhits?
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//
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if ( g_cThreads > (LONG) g_pWebhitsInfo->GetMaxRunningWebhits() )
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{
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webDebugOut(( DEB_WARN,
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"%d instances of webhits running\n",
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g_cThreads ));
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THROW( CException( MSG_WEBHITS_TOO_MANY_COPIES ) );
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}
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//
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// Retrieve the necessary environment variables.
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//
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CGetEnvVars variables( webServer,
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langInfo,
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varRetriever,
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unescaper );
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if (variables.GetQueryFileVPath())
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{
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xwszQueryFile.Init( wcslen(variables.GetQueryFileVPath())+1 );
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wcscpy( xwszQueryFile.GetPointer(), variables.GetQueryFileVPath() );
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}
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GetWebhitsVPathInfo( variables, webServer );
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//
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// construct Property List with static properties
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//
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XInterface<CEmptyPropertyList> xlist;
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//
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// If an idq file was specified, then parse the [NAMES] section of
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// that file to obtain custom properties
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//
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if ( variables.GetQueryFilePPath() )
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{
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Win4Assert( wcslen( variables.GetQueryFilePPath() ) < MAX_PATH );
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wcscpy( awcIdqPPath, variables.GetQueryFilePPath() );
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pwcIdqPPath = awcIdqPPath;
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Win4Assert( wcslen( variables.GetQueryFileVPath() ) < MAX_PATH );
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wcscpy( awcIdqVPath, variables.GetQueryFileVPath() );
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pwcIdqVPath = awcIdqVPath;
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xlist.Set( new CLocalGlobalPropertyList( GetGlobalStaticPropertyList(),
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TRUE,
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variables.GetQueryFilePPath(),
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langInfo.GetUrlCodePage()) );
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ULONG iLine;
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WCHAR * pwszFile;
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SCODE sc = ((CLocalGlobalPropertyList *)xlist.GetPointer())->CheckError( iLine, &pwszFile );
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if (FAILED(sc))
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THROW(CException(sc));
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}
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else
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xlist.Set(GetGlobalStaticPropertyList());
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//
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// If a template file is specified, it should be parsed.
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//
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XPtr<CWebhitsTemplate> xTemplate;
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if ( variables.GetTemplateFileVPath() )
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{
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Win4Assert( wcslen( variables.GetTemplateFilePPath() ) < MAX_PATH );
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wcscpy( awcHtwPPath, variables.GetTemplateFilePPath() );
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pwcHtwPPath = awcHtwPPath;
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Win4Assert( wcslen( variables.GetTemplateFileVPath() ) < MAX_PATH );
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wcscpy( awcHtwVPath, variables.GetTemplateFileVPath() );
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pwcHtwVPath = awcHtwVPath;
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CWebhitsTemplate * pTemplate =
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new CWebhitsTemplate( variables,
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langInfo.GetOutputCodePage() );
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xTemplate.Set( pTemplate );
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}
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//
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// convert textual query into CDbRestriction
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//
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CInternalQuery query( variables, xlist.GetReference(), langInfo.GetQueryLCID() );
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Win4Assert( wcslen( variables.GetWebHitsFilePPath() ) < MAX_PATH );
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wcscpy( awcWebhitsPPath, variables.GetWebHitsFilePPath() );
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pwcWebhitsPPath = awcWebhitsPPath;
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Win4Assert( wcslen( variables.GetWebHitsFileVPath() ) < MAX_PATH );
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wcscpy( awcWebhitsVPath, variables.GetWebHitsFileVPath() );
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pwcWebhitsVPath = awcWebhitsVPath;
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//
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// Verify a consistent SSL-setting for .htw and webhits files.
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// This fixes the problem where the webhits file requires SSL,
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// but the template file doesn't, since a port can't change its
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// SSL setting on the fly. A work-around would be to do a redirect
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// to a bogus .htw file in the same virtual directory as the
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// webhits file to force SSL, but that seemed overkill.
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//
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if ( variables.GetTemplateFileVPath() )
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{
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//
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// This is a complete list of SSL-related flags.
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//
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const DWORD dwSSL = HSE_URL_FLAGS_SSL |
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HSE_URL_FLAGS_NEGO_CERT |
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HSE_URL_FLAGS_REQUIRE_CERT |
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HSE_URL_FLAGS_MAP_CERT |
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HSE_URL_FLAGS_SSL128;
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DWORD dwTemplate = ( variables.GetTemplateFileFlags() & dwSSL );
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DWORD dwWebHits = ( variables.GetWebHitsFileFlags() & dwSSL );
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if ( ( dwTemplate != dwWebHits ) &&
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( 0 != dwWebHits ) )
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{
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webDebugOut(( DEB_WARN,
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"SSL mismatch template: 0x%x, webhits: 0x%x\n",
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dwTemplate, dwWebHits ));
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THROW( CException( MSG_WEBHITS_INCONSISTENT_SSL ) );
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}
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}
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//
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// Impersonate if the file being webhit is remote
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//
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CImpersonateRemoteAccess imp( 0 );
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if ( CImpersonateRemoteAccess::IsNetPath( pwcWebhitsPPath ) )
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{
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CImpersonationTokenCache * pCache = g_pWebhitsInfo->GetTokenCache( webServer );
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imp.SetTokenCache( pCache );
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// Flip the slashes -- the token cache expects backslashes...
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unsigned cwc = wcslen( pwcWebhitsVPath );
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Win4Assert( cwc < MAX_PATH );
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WCHAR awcTempVPath[ MAX_PATH ];
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for ( unsigned c = 0; c < cwc; c++ )
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{
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if ( L'/' == pwcWebhitsVPath[c] )
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awcTempVPath[c] = L'\\';
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else
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awcTempVPath[c] = pwcWebhitsVPath[c];
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}
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awcTempVPath[ cwc ] = 0;
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//
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// If impersonation fails, try rescanning the metabase.
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// There may have been an update to vroot info.
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// Note that revocation may take a long time as a result.
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// It's really unlikely we'll have to reinit very often
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// unless the server is misconfigured.
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//
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if ( !imp.ImpersonateIfNoThrow( pwcWebhitsPPath, awcTempVPath ) )
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{
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pCache->ReInitializeIISScopes();
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imp.ImpersonateIf( pwcWebhitsPPath, awcTempVPath );
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}
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}
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//
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// construct framework for highlighting, and highlight hits
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//
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query.CreateISearch( pwcWebhitsPPath );
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//
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// two cases - either summary or full hit-highlighting
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//
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CReleasableLock lock( g_pWebhitsInfo->GetNonThreadedFilterMutex(),
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FALSE );
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if (variables.GetHiliteType() == CGetEnvVars::SUMMARY)
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{
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XPtr<CDocument> xDoc( new CDocument(
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(WCHAR*) pwcWebhitsPPath,
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CLinkQueryHits::BOGUS_RANK,
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query.GetISearchRef(),
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g_pWebhitsInfo->GetMaxWebhitsCpuTime(),
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lock,
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xlist.GetReference(),
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g_pWebhitsInfo->GetDisplayScript() ) );
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PHttpOutput httpOutput( webServer, langInfo );
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httpOutput.Init( &variables, xTemplate.GetPointer() );
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HitIter iterator;
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iterator.Init( xDoc.GetPointer() );
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httpOutput.OutputHTMLHeader();
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|
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if ( variables.IsFixedFont() )
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httpOutput.OutputPreformattedTag();
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CExtractHits hitExtractor( xDoc.GetReference(),
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iterator,
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httpOutput );
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httpOutput.OutputHTMLFooter();
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}
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else
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{
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PHttpFullOutput httpOutput( webServer, langInfo );
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httpOutput.Init(&variables, xTemplate.GetPointer());
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|
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XPtr<CLinkQueryHits> xLQH( new CLinkQueryHits(
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query,
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variables,
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httpOutput,
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g_pWebhitsInfo->GetMaxWebhitsCpuTime(),
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lock,
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xlist.GetReference(),
|
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g_pWebhitsInfo->GetDisplayScript() ) );
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httpOutput.OutputHTMLHeader();
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xLQH->InsertLinks();
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httpOutput.OutputHTMLFooter();
|
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}
|
|
}
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|
CATCH( CPListException, ple )
|
|
{
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|
WCHAR wcTempBuffer[ERROR_MESSAGE_SIZE];
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|
|
|
wsprintf( wcTempBuffer,
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L"Property list parsing query file %ls failed with error 0x%X\n",
|
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xwszQueryFile.GetPointer(),
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ple.GetPListError() );
|
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|
|
OutputErrorMessage( webServer,
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langInfo,
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ple.GetPListError(),
|
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pwcIdqPPath,
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pwcIdqVPath,
|
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pwcHtwPPath,
|
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pwcHtwVPath,
|
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pwcWebhitsPPath,
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pwcWebhitsVPath,
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wcTempBuffer,
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xwszQueryFile.GetPointer(),
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ple.GetLine() );
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}
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|
AND_CATCH( CWTXException, we )
|
|
{
|
|
WCHAR wcTempBuffer[ERROR_MESSAGE_SIZE];
|
|
|
|
wsprintf( wcTempBuffer,
|
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L"Parsing template file %ls failed with error 0x%X\n",
|
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we.GetFileName(),
|
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we.GetErrorCode() );
|
|
|
|
OutputErrorMessage( webServer,
|
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langInfo,
|
|
we.GetErrorCode(),
|
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pwcIdqPPath,
|
|
pwcIdqVPath,
|
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pwcHtwPPath,
|
|
pwcHtwVPath,
|
|
pwcWebhitsPPath,
|
|
pwcWebhitsVPath,
|
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wcTempBuffer,
|
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we.GetFileName(),
|
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we.GetLineNumber() );
|
|
}
|
|
AND_CATCH( CParserException, pe )
|
|
{
|
|
WCHAR wcTempBuffer[ERROR_MESSAGE_SIZE];
|
|
wsprintf( wcTempBuffer,
|
|
L"Parsing of QUERY_STRING failed with error 0x%X\n",
|
|
pe.GetErrorCode() );
|
|
|
|
OutputErrorMessage( webServer,
|
|
langInfo,
|
|
pe.GetParseError(),
|
|
pwcIdqPPath,
|
|
pwcIdqVPath,
|
|
pwcHtwPPath,
|
|
pwcHtwVPath,
|
|
pwcWebhitsPPath,
|
|
pwcWebhitsVPath,
|
|
wcTempBuffer );
|
|
}
|
|
AND_CATCH( CException,e )
|
|
{
|
|
OutputErrorMessage( webServer,
|
|
langInfo,
|
|
e.GetErrorCode(),
|
|
pwcIdqPPath,
|
|
pwcIdqVPath,
|
|
pwcHtwPPath,
|
|
pwcHtwVPath,
|
|
pwcWebhitsPPath,
|
|
pwcWebhitsVPath );
|
|
}
|
|
END_CATCH
|
|
|
|
return hse;
|
|
} //ProcessWebRequest
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: OutputErrorMessage
|
|
//
|
|
// Synopsis: Outputs an error message based on the msg id given. It first
|
|
// looks up for the error in webhits.dll, query.dll, then in
|
|
// kernel32.dll.
|
|
// If no message is found, it then uses the default message.
|
|
//
|
|
// Arguments: [dwMsgId] - Message id
|
|
// [pwszDefaultMsg] - Pointer to the default message. Will be
|
|
// used if there is no pre-formatted message.
|
|
// [pwszFileName] - File name to be printed prior to the error
|
|
// message. Will not be printed if null.
|
|
// [ulFileLine] - File line number. Not printed if zero.
|
|
//
|
|
// History: 9-04-96 srikants Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void OutputErrorMessage( CWebServer & webServer,
|
|
CLanguageInfo & langInfo,
|
|
DWORD dwMsgId,
|
|
WCHAR const * pwcIdqPPath,
|
|
WCHAR const * pwcIdqVPath,
|
|
WCHAR const * pwcHtwPPath,
|
|
WCHAR const * pwcHtwVPath,
|
|
WCHAR const * pwcWebhitsPPath,
|
|
WCHAR const * pwcWebhitsVPath,
|
|
WCHAR const * pwszDefaultMsg,
|
|
WCHAR const * pwszFileName,
|
|
ULONG ulFileLine )
|
|
{
|
|
CImpersonateSystem system;
|
|
|
|
//
|
|
// If the error was the result of an access denied problem, then simply
|
|
// return a 401 error to the browser if the path allows authentication
|
|
//
|
|
// Generate the Win32 error code by removing the facility code (7) and
|
|
// the error bit.
|
|
//
|
|
|
|
if ( (STATUS_ACCESS_DENIED == dwMsgId) ||
|
|
(STATUS_NETWORK_ACCESS_DENIED == dwMsgId) ||
|
|
(HRESULT_FROM_WIN32( ERROR_ACCESS_DENIED ) == dwMsgId) ||
|
|
(HRESULT_FROM_WIN32( ERROR_INVALID_ACCESS ) == dwMsgId) ||
|
|
(HRESULT_FROM_WIN32( ERROR_NETWORK_ACCESS_DENIED ) == dwMsgId) )
|
|
{
|
|
WCHAR const * pwcVPath = 0;
|
|
WCHAR const * pwcPPath = 0;
|
|
|
|
if ( 0 != pwcWebhitsVPath )
|
|
{
|
|
pwcPPath = pwcWebhitsPPath;
|
|
pwcVPath = pwcWebhitsVPath;
|
|
}
|
|
else if ( 0 != pwcHtwVPath )
|
|
{
|
|
pwcPPath = pwcHtwPPath;
|
|
pwcVPath = pwcHtwVPath;
|
|
}
|
|
else
|
|
{
|
|
pwcPPath = pwcIdqPPath;
|
|
pwcVPath = pwcIdqVPath;
|
|
}
|
|
|
|
Win4Assert( 0 != pwcPPath );
|
|
Win4Assert( 0 != pwcVPath );
|
|
|
|
webDebugOut(( DEB_ITRACE, "error P and V paths: '%ws', '%ws'\n",
|
|
pwcPPath, pwcVPath ));
|
|
|
|
CMetaDataMgr mdMgr( FALSE, W3VRoot, webServer.GetServerInstance() );
|
|
ULONG Authorization = mdMgr.GetVPathAuthorization( pwcVPath );
|
|
webDebugOut(( DEB_ITRACE, "authorization: 0x%x\n", Authorization ));
|
|
|
|
// If the virtual directory doesn't support just anonymous,
|
|
// this is not a remote physical path, try to authenticate.
|
|
|
|
if ( 0 != Authorization &&
|
|
MD_AUTH_ANONYMOUS != Authorization &&
|
|
!CImpersonateRemoteAccess::IsNetPath( pwcPPath ) )
|
|
{
|
|
webDebugOut(( DEB_WARN,
|
|
"mapping 0x%x to 401 access denied\n",
|
|
dwMsgId ));
|
|
webServer.WriteHeader( 0, "401 Access denied" );
|
|
const char * pcAccessDenied = "Access is denied.";
|
|
webServer.WriteClient( (BYTE *) pcAccessDenied,
|
|
strlen( pcAccessDenied ) );
|
|
return;
|
|
}
|
|
}
|
|
|
|
WCHAR awcTempBuffer[ERROR_MESSAGE_SIZE];
|
|
WCHAR * pwszErrorMessage = awcTempBuffer;
|
|
ULONG cchAvailMessage = ERROR_MESSAGE_SIZE;
|
|
|
|
//
|
|
// Don't pass a specific lang id to FormatMessage since it will
|
|
// fail if there's no message in that language. Instead set
|
|
// the thread locale, which will get FormatMessage to use a search
|
|
// algorithm to find a message of the appropriate language or
|
|
// use a reasonable fallback msg if there's none.
|
|
//
|
|
LCID SaveLCID = GetThreadLocale();
|
|
SetThreadLocale( langInfo.GetQueryLCID() );
|
|
|
|
if (pwszFileName != 0)
|
|
{
|
|
//
|
|
// These are errors encountered while parsing the [names] section
|
|
//
|
|
DWORD_PTR args [] = {
|
|
(DWORD_PTR) pwszFileName,
|
|
(DWORD_PTR) ulFileLine,
|
|
};
|
|
|
|
NTSTATUS MsgNum = MSG_WEBHITS_FILE_MESSAGE;
|
|
if ( 0 != ulFileLine )
|
|
MsgNum = MSG_WEBHITS_FILE_LINE_MESSAGE;
|
|
|
|
ULONG cchMsg = FormatMessage( FORMAT_MESSAGE_FROM_HMODULE |
|
|
FORMAT_MESSAGE_ARGUMENT_ARRAY,
|
|
GetModuleHandle(L"webhits.dll"),
|
|
MsgNum,
|
|
0,
|
|
pwszErrorMessage,
|
|
cchAvailMessage,
|
|
(va_list *) args );
|
|
pwszErrorMessage += cchMsg;
|
|
cchAvailMessage -= cchMsg;
|
|
}
|
|
|
|
if ( !FormatMessage( FORMAT_MESSAGE_FROM_HMODULE |
|
|
FORMAT_MESSAGE_ARGUMENT_ARRAY,
|
|
GetModuleHandle(L"webhits.dll"),
|
|
dwMsgId,
|
|
0,
|
|
pwszErrorMessage,
|
|
cchAvailMessage,
|
|
0 ) &&
|
|
!FormatMessage( FORMAT_MESSAGE_FROM_HMODULE |
|
|
FORMAT_MESSAGE_ARGUMENT_ARRAY,
|
|
GetModuleHandle(L"Query.dll"),
|
|
dwMsgId,
|
|
0,
|
|
pwszErrorMessage,
|
|
cchAvailMessage,
|
|
0 ) &&
|
|
!FormatMessage( FORMAT_MESSAGE_FROM_HMODULE |
|
|
FORMAT_MESSAGE_ARGUMENT_ARRAY,
|
|
GetModuleHandle(L"kernel32.dll"),
|
|
dwMsgId,
|
|
0,
|
|
pwszErrorMessage,
|
|
cchAvailMessage,
|
|
0 ) &&
|
|
!FormatMessage( FORMAT_MESSAGE_FROM_HMODULE |
|
|
FORMAT_MESSAGE_ARGUMENT_ARRAY,
|
|
GetModuleHandle(L"kernel32.dll"),
|
|
HRESULT_CODE(dwMsgId),
|
|
0,
|
|
pwszErrorMessage,
|
|
cchAvailMessage,
|
|
0 ) )
|
|
{
|
|
DWORD dwError = GetLastError();
|
|
webDebugOut(( DEB_ERROR, "Format Message failed with error 0x%X\n",
|
|
dwError ));
|
|
if ( !pwszDefaultMsg )
|
|
{
|
|
wsprintf( pwszErrorMessage,
|
|
L"Error 0x%X occurred while running webhits \n",
|
|
dwMsgId );
|
|
}
|
|
else
|
|
{
|
|
Win4Assert( wcslen( pwszDefaultMsg ) < cchAvailMessage );
|
|
wsprintf( pwszErrorMessage, L"%ws\n", pwszDefaultMsg );
|
|
}
|
|
}
|
|
|
|
SetThreadLocale(SaveLCID);
|
|
|
|
PHttpOutput httpOutput( webServer, langInfo );
|
|
|
|
httpOutput.OutputErrorHeader();
|
|
httpOutput.OutputErrorMessage( awcTempBuffer, wcslen(awcTempBuffer) );
|
|
httpOutput.OutputHTMLFooter();
|
|
} //OutputErrorMessage
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: GetExtensionVersion - public
|
|
//
|
|
// Synposis: Returns extension info to the server. This is called before
|
|
// HttpExtensionProc is called, and it is called in System
|
|
// context, so any initialization that requires this context
|
|
// must be handled here.
|
|
//
|
|
// Arguments: [pVer] - where the info goes
|
|
//
|
|
// History: 96-Apr-15 dlee Added header
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
BOOL WINAPI GetExtensionVersion(
|
|
HSE_VERSION_INFO * pVer )
|
|
{
|
|
BOOL fOK = TRUE;
|
|
|
|
TRANSLATE_EXCEPTIONS;
|
|
|
|
TRY
|
|
{
|
|
Win4Assert( g_fShutdown );
|
|
Win4Assert( 0 == g_pWebhitsInfo );
|
|
|
|
pVer->dwExtensionVersion = MAKELONG( 0, 3 );
|
|
strcpy( pVer->lpszExtensionDesc, "Indexing Service webhits extension" );
|
|
|
|
g_pWebhitsInfo = new CWebhitsInfo();
|
|
g_fShutdown = FALSE;
|
|
}
|
|
CATCH( CException, e )
|
|
{
|
|
fOK = FALSE;
|
|
|
|
webDebugOut(( DEB_WARN,
|
|
"GetExtensionVersion failed 0x%x\n",
|
|
e.GetErrorCode() ));
|
|
}
|
|
END_CATCH
|
|
|
|
UNTRANSLATE_EXCEPTIONS;
|
|
|
|
return fOK;
|
|
} //GetExtensionVersion
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: TerminateExtension, public
|
|
//
|
|
// Synposis: Called by IIS during shutdown
|
|
//
|
|
// History: 3-Mar-97 dlee Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
BOOL WINAPI TerminateExtension(
|
|
DWORD dwFlags )
|
|
{
|
|
TRANSLATE_EXCEPTIONS;
|
|
|
|
BOOL fOK = FALSE;
|
|
|
|
if ( dwFlags & HSE_TERM_MUST_UNLOAD )
|
|
{
|
|
TRY
|
|
{
|
|
Win4Assert( !g_fShutdown );
|
|
g_fShutdown = TRUE;
|
|
|
|
webDebugOut(( DEB_WARN,
|
|
"Mandatory extension unload. Shutting down webhits.\n" ));
|
|
|
|
// wait for all the isapi request threads to finish
|
|
|
|
while ( 0 != g_cThreads )
|
|
Sleep( 50 );
|
|
|
|
delete g_pWebhitsInfo;
|
|
g_pWebhitsInfo = 0;
|
|
|
|
CIShutdown();
|
|
}
|
|
CATCH( CException, e )
|
|
{
|
|
// ignore
|
|
}
|
|
END_CATCH
|
|
|
|
fOK = TRUE;
|
|
}
|
|
|
|
webDebugOut(( DEB_WARN,
|
|
"webhits extension unload: 0x%x. Flags = 0x%x\n",
|
|
fOK, dwFlags ));
|
|
|
|
UNTRANSLATE_EXCEPTIONS;
|
|
|
|
return fOK;
|
|
} //TerminateExtension
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: HttpExtensionProc, public
|
|
//
|
|
// Synposis: Handles a request from the web server
|
|
//
|
|
// Arguments: [pEcb] -- block from the server
|
|
//
|
|
// History: 3-Mar-97 dlee Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
DWORD WINAPI HttpExtensionProc(
|
|
EXTENSION_CONTROL_BLOCK * pEcb )
|
|
{
|
|
if ( g_fShutdown )
|
|
{
|
|
pEcb->dwHttpStatusCode = HTTP_STATUS_SERVER_ERROR;
|
|
return HSE_STATUS_ERROR;
|
|
}
|
|
|
|
InterlockedIncrement( & g_cThreads );
|
|
|
|
CWebServer webServer( pEcb );
|
|
DWORD hseStatus = HSE_STATUS_ERROR;
|
|
webServer.SetHttpStatus( HTTP_STATUS_OK );
|
|
|
|
TRANSLATE_EXCEPTIONS;
|
|
TRY
|
|
{
|
|
XCom xcom;
|
|
|
|
hseStatus = ProcessWebRequest( webServer );
|
|
}
|
|
CATCH( CException, e )
|
|
{
|
|
hseStatus = HSE_STATUS_ERROR;
|
|
webServer.SetHttpStatus( HTTP_STATUS_SERVER_ERROR );
|
|
}
|
|
END_CATCH
|
|
UNTRANSLATE_EXCEPTIONS;
|
|
|
|
Win4Assert( HSE_STATUS_PENDING != hseStatus );
|
|
|
|
InterlockedDecrement( & g_cThreads );
|
|
|
|
return hseStatus;
|
|
} //HttpExtensionProc
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Method: CWebhitsInfo::CWebhitsInfo, public
|
|
//
|
|
// Synposis: Constructs a webhits info object
|
|
//
|
|
// History: 18-Aug-97 dlee Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
CWebhitsInfo::CWebhitsInfo() :
|
|
_regChangeEvent( wcsRegAdminTree )
|
|
{
|
|
ReadRegValues();
|
|
} //CWebhitsInfo
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Method: CWebhitsInfo::Refresh, public
|
|
//
|
|
// Synposis: Checks to see if the registry has changed and refreshes it
|
|
//
|
|
// History: 18-Aug-97 dlee Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CWebhitsInfo::Refresh()
|
|
{
|
|
CLock lock( _mutex );
|
|
|
|
ULONG res = WaitForSingleObject( _regChangeEvent.GetEventHandle(), 0 );
|
|
|
|
if ( WAIT_OBJECT_0 == res )
|
|
{
|
|
ReadRegValues();
|
|
_regChangeEvent.Reset();
|
|
}
|
|
} //Refresh
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Method: CWebhitsInfo::ReadRegValues
|
|
//
|
|
// Synposis: Reads webhits registry info
|
|
//
|
|
// History: 18-Aug-97 dlee Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CWebhitsInfo::ReadRegValues()
|
|
{
|
|
CRegAccess reg( RTL_REGISTRY_CONTROL, wcsRegAdmin );
|
|
|
|
const ULONG CI_RUNNING_WEBHITS_DEFAULT = 20;
|
|
const ULONG CI_RUNNING_WEBHITS_MIN = 1;
|
|
const ULONG CI_RUNNING_WEBHITS_MAX = 200;
|
|
ULONG ul = reg.Read( wcsMaxRunningWebhits, CI_RUNNING_WEBHITS_DEFAULT );
|
|
_cMaxRunningWebhits = Range( ul, CI_RUNNING_WEBHITS_MIN, CI_RUNNING_WEBHITS_MAX );
|
|
|
|
const ULONG CI_WEBHITS_DISPLAY_SCRIPT_DEFAULT = DISPLAY_SCRIPT_KNOWN_FILTER;
|
|
const ULONG CI_WEBHITS_DISPLAY_SCRIPT_MIN = 0;
|
|
const ULONG CI_WEBHITS_DISPLAY_SCRIPT_MAX = 2;
|
|
ul = reg.Read( wcsWebhitsDisplayScript, CI_WEBHITS_DISPLAY_SCRIPT_DEFAULT );
|
|
_ulDisplayScript = Range( ul, CI_WEBHITS_DISPLAY_SCRIPT_MIN, CI_WEBHITS_DISPLAY_SCRIPT_MAX );
|
|
|
|
const ULONG CI_WEBHITS_TIMEOUT_DEFAULT = 30;
|
|
const ULONG CI_WEBHITS_TIMEOUT_MIN = 5;
|
|
const ULONG CI_WEBHITS_TIMEOUT_MAX = 7200;
|
|
ul = reg.Read( wcsMaxWebhitsCpuTime, CI_WEBHITS_TIMEOUT_DEFAULT );
|
|
_cmsMaxWebhitsCpuTime = Range( ul, CI_WEBHITS_TIMEOUT_MIN, CI_WEBHITS_TIMEOUT_MAX );
|
|
} //ReadRegValues
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Method: GetTokenCache, public
|
|
//
|
|
// Synposis: Retrieves the appropriate token cache for the web server
|
|
//
|
|
// Arguments: [webServer] -- The web server instance
|
|
//
|
|
// History: 18-Aug-97 dlee Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
CImpersonationTokenCache * CWebhitsInfo::GetTokenCache(
|
|
CWebServer & webServer )
|
|
{
|
|
//
|
|
// Get the server instance of this ISAPI request
|
|
//
|
|
|
|
ULONG ulInstance = webServer.GetServerInstance();
|
|
|
|
//
|
|
// Look for a token cache for this server instance
|
|
//
|
|
|
|
CLock lock( _mutex );
|
|
|
|
for ( unsigned x = 0; x < _aTokenCache.Count(); x++ )
|
|
{
|
|
Win4Assert( 0 != _aTokenCache[ x ] );
|
|
|
|
if ( _aTokenCache[ x ]->GetW3Instance() == ulInstance )
|
|
return _aTokenCache[ x ];
|
|
}
|
|
|
|
//
|
|
// Not found, so create a new token cache
|
|
//
|
|
|
|
CImpersonateSystem system;
|
|
|
|
XPtr<CImpersonationTokenCache> xCache( new CImpersonationTokenCache( L"" ) );
|
|
|
|
xCache->Initialize( L"webhits", // arbitrary name of token cache
|
|
TRUE, // w3svc
|
|
FALSE, // not nntp
|
|
FALSE, // not imap
|
|
ulInstance, // virtual server instance number
|
|
0, // no nntp vserver instance
|
|
0 ); // no imap vserver instance
|
|
|
|
_aTokenCache[ _aTokenCache.Count() ] = xCache.GetPointer();
|
|
|
|
return xCache.Acquire();
|
|
} //GetTokenCache
|
|
|
|
|