Support posix_fadvise() where available; optionally enable O_DIRECT/F_NOCACHE if DIRECT_IO=true in tw.cfg; fix internal naming of update 'secure mode' flag for clarity.

src/core/archive.cpp

@@ -678,7 +678,8 @@ void cFileArchive::OpenRead(const TCHAR* filename, uint32 openFlags)
         uint32 flags = cFile::OPEN_READ;
         flags |= ( ( openFlags & FA_OPEN_TRUNCATE ) ? cFile::OPEN_TRUNCATE : 0 );
         flags |= ( ( openFlags & FA_OPEN_TEXT     ) ? cFile::OPEN_TEXT     : 0 );
-        flags |= ( ( openFlags & FA_NONBLOCKING ) ?   cFile::OPEN_NONBLOCKING :0 ); 
+        flags |= ( ( openFlags & FA_SCANNING      ) ? cFile::OPEN_SCANNING : 0 );
+        flags |= ( ( openFlags & FA_DIRECT        ) ? cFile::OPEN_DIRECT   : 0 );
         
         mCurrentFilename = filename;
         mCurrentFile.Open( filename, flags );
@@ -704,7 +705,8 @@ void cFileArchive::OpenReadWrite(const TCHAR* filename, uint32 openFlags)
         uint32 flags = cFile::OPEN_WRITE;
         flags |= ( ( openFlags & FA_OPEN_TRUNCATE ) ? cFile::OPEN_TRUNCATE : 0 );
         flags |= ( ( openFlags & FA_OPEN_TEXT     ) ? cFile::OPEN_TEXT     : 0 );
-        flags |= ( ( openFlags & FA_NONBLOCKING ) ?   cFile::OPEN_NONBLOCKING :0 ); 
+        flags |= ( ( openFlags & FA_SCANNING      ) ? cFile::OPEN_SCANNING : 0 );
+        flags |= ( ( openFlags & FA_DIRECT        ) ? cFile::OPEN_DIRECT   : 0 );
 
         mCurrentFilename = filename;
         mCurrentFile.Open( filename, flags );

src/core/archive.h

@@ -260,7 +260,8 @@ public:
     {
         FA_OPEN_TEXT        = 0x1,
         FA_OPEN_TRUNCATE    = 0x2,
-        FA_NONBLOCKING      = 0x4   
+        FA_SCANNING         = 0x4,
+        FA_DIRECT           = 0x8
     };
 
     // TODO: Open should throw

src/core/file.h

@@ -98,7 +98,8 @@ public:
             OPEN_CREATE         = 0x00000010,   // create the file if it doesn't exist; this is implicit if OF_TRUNCATE is set
             OPEN_TEXT           = 0x00000020,
             OPEN_EXCLUSIVE      = 0x00000040,   // Use O_CREAT | O_EXCL
-            OPEN_NONBLOCKING    = 0x00000080,    // Use non-blocking i/o [Unix]
+            OPEN_SCANNING       = 0x00000080,   // Open for scanning; set nonblocking & caching accordingly, where available
+            OPEN_DIRECT         = 0x00000100    // Use O_DIRECT or platform equivalent
     };
 
     //Ctor, Dtor, CpyCtor, Operator=:

src/core/file_unix.cpp

@@ -169,9 +169,15 @@ void cFile::Open( const TSTRING& sFileNameC, uint32 flags )
             perm |= O_CREAT;
 
 #ifdef O_NONBLOCK
-        if( flags & OPEN_NONBLOCKING )
+        if( flags & OPEN_SCANNING )
             perm |= O_NONBLOCK;
 #endif
+    
+#ifdef O_DIRECT
+        if (flags & OPEN_DIRECT)
+            perm |= O_DIRECT
+#endif
+            
     //
     // actually open the file
     //
@@ -202,6 +208,17 @@ void cFile::Open( const TSTRING& sFileNameC, uint32 flags )
     mpData->mFileName = sFileName;  //Set mFileName to the newly opened file.
     
     cFile::Rewind();
+
+#ifdef F_NOCACHE
+    if (flags & OPEN_DIRECT)
+        fcntl(fh, F_NOCACHE, 1);
+#endif
+    
+#ifdef HAVE_POSIX_FADVISE
+    if (flags & OPEN_SCANNING)
+        posix_fadvise(fh,0,0, POSIX_FADV_DONTNEED);
+#endif
+    
 }
 
 

src/fco/fcopropcalc.h

@@ -84,8 +84,10 @@ public:
     
     enum CalcFlags
     {
-        DO_NOT_MODIFY_PROPERTIES = 0x00000001  // reset any properties that may have been altered due to measurement
+        DO_NOT_MODIFY_PROPERTIES = 0x00000001, // reset any properties that may have been altered due to measurement
+        DIRECT_IO                = 0x00000002  // use direct i/o when scanning files
     };
+    
     virtual int     GetCalcFlags() const = 0;
     virtual void    SetCalcFlags(int i) = 0;
         // any calculation flags needed for calculation.

src/fs/fspropcalc.cpp

@@ -45,6 +45,7 @@
 #include "fspropcalc.h"
 #include "fsobject.h"
 
+
 #if IS_UNIX
 #include <unistd.h>
 #endif
@@ -301,7 +302,9 @@ void cFSPropCalc::VisitFSObject(cFSObject& obj)
                 pTheArch = &arch;
                 try 
                 {                    
-                    arch.OpenRead(strName.c_str(), cFileArchive::FA_NONBLOCKING);
+                    arch.OpenRead(strName.c_str(), ((mCalcFlags & iFCOPropCalc::DIRECT_IO) ?
+                                  cFileArchive::FA_SCANNING | cFileArchive::FA_DIRECT :
+                                  cFileArchive::FA_SCANNING) );
                 }
                 catch (eArchive&)
                 {

src/fs/fspropcalc.h

@@ -73,6 +73,7 @@ public:
 
     virtual int                     GetCalcFlags() const;
     virtual void                    SetCalcFlags( int i );
+    
 private:
     cFSPropCalc( const cFSPropCalc& );
     void operator =( const cFSPropCalc& );

src/tripwire/generatedb.cpp

@@ -148,6 +148,11 @@ void cGenerateDb::Execute( const cFCOSpecList& specList, cHierDatabase& db, iFCO
         pDSIter->SetIterFlags(  iFCODataSourceIter::DO_NOT_MODIFY_OBJECTS );
     }
     
+    if (flags & FLAG_DIRECT_IO)
+    {
+        pPC->SetCalcFlags( pPC->GetCalcFlags() | iFCOPropCalc::DIRECT_IO);
+    }
+
     //
     // iterate over all of the specs...
     //

src/tripwire/generatedb.h

@@ -54,10 +54,12 @@ public:
     
     enum Flags
     {
-        FLAG_ERASE_FOOTPRINTS_GD            = 0x00000001
+        FLAG_ERASE_FOOTPRINTS_GD            = 0x00000001,
             // when this flag is set, cGenerateDb will attempt to leave no footprints when 
             // creating the database for instance, cGenerateDb will tell the property calculator 
             // to reset access times.
+        FLAG_DIRECT_IO                      = 0x00000002
+            // Use direct i/o when scanning files
     };
 };
 

src/tripwire/integritycheck.cpp

@@ -483,6 +483,11 @@ void cIntegrityCheck::Execute( uint32 flags )
         pDSIter->SetIterFlags   ( iFCODataSourceIter::DO_NOT_MODIFY_OBJECTS );
     }
     
+    if (flags & FLAG_DIRECT_IO)
+    {
+        mpPropCalc->SetCalcFlags(mpPropCalc->GetCalcFlags() | iFCOPropCalc::DIRECT_IO);
+    }
+    
     //
     // iterate over all of the specs...
     //
@@ -576,6 +581,11 @@ void cIntegrityCheck::ExecuteOnObjectList( const std::list<cFCOName>& fcoNames,
         pDSIter->SetIterFlags   ( iFCODataSourceIter::DO_NOT_MODIFY_OBJECTS );
     }
     
+    if (flags & FLAG_DIRECT_IO)
+    {
+        mpPropCalc->SetCalcFlags(mpPropCalc->GetCalcFlags() | iFCOPropCalc::DIRECT_IO);
+    }
+
     //
     // iterate over all the objects to integrity check..
     //

src/tripwire/integritycheck.h

@@ -110,9 +110,11 @@ public:
             // previous enumeration. This flag indicates that any valid properties in the new FCO during
             // an integrity check that are not valid in the database FCO should be copied to the db's fco.
             // Yuck!
-        FLAG_ERASE_FOOTPRINTS_IC        = 0x00000010
+        FLAG_ERASE_FOOTPRINTS_IC        = 0x00000010,
             // when this flag is set, IC will attempt to leave no footprints when doing an integrity check.
             // for instance, IC will tell the property calculator to reset access times.
+        FLAG_DIRECT_IO                  = 0x00000020
+            // Use direct i/o when scanning files
     };
 
 private:

src/tripwire/policyupdate.cpp

@@ -178,6 +178,11 @@ bool cPolicyUpdate::Execute( uint32 flags )  // throw (eError)
         icFlags |= cIntegrityCheck::FLAG_ERASE_FOOTPRINTS_IC;
     }
     
+    if (flags & FLAG_DIRECT_IO)
+    {
+        icFlags |= cIntegrityCheck::FLAG_DIRECT_IO;
+    }
+
     ic.Execute( icFlags );
         //TODO-- the second flag I just added probably makes the flag to cUpdateDb::Execute() unnecessary;
         //      I should probably remove it.
@@ -208,7 +213,7 @@ bool cPolicyUpdate::Execute( uint32 flags )  // throw (eError)
             {
                 // this is an error that should be reported to the user.
                 ePolicyUpdateAddedFCO e( pTrans->ToStringDisplay( pIter->FCO()->GetName() ) );
-                if( (flags & ANAL) == 0 )
+                if( (flags & FLAG_SECURE_MODE) == 0 )
                     e.SetFlags( eError::NON_FATAL );
                 else
                     e.SetFlags( eError::SUPRESS_THIRD_MSG );
@@ -229,7 +234,7 @@ bool cPolicyUpdate::Execute( uint32 flags )  // throw (eError)
                 // this is an error that should be reported to the user.
                 ePolicyUpdateRemovedFCO e( pTrans->ToStringDisplay( pRmIter->FCO()->GetName() ) );
 
-                if( (flags & ANAL) == 0 )
+                if( (flags & FLAG_SECURE_MODE) == 0 )
                     e.SetFlags( eError::NON_FATAL );
                 else
                     e.SetFlags( eError::SUPRESS_THIRD_MSG );
@@ -262,7 +267,7 @@ bool cPolicyUpdate::Execute( uint32 flags )  // throw (eError)
 
             // add this to the error bucket
             ePolicyUpdateChangedFCO e( badPropStr );
-            if( (flags & ANAL) == 0 )
+            if( (flags & FLAG_SECURE_MODE) == 0 )
                 e.SetFlags( eError::NON_FATAL );
             else
                 e.SetFlags( eError::SUPRESS_THIRD_MSG );
@@ -272,7 +277,7 @@ bool cPolicyUpdate::Execute( uint32 flags )  // throw (eError)
     }
     //
     // now, we will update the database with everything in the report...
-    // TODO -- don't do this if the anal flag was passed in
+    // TODO -- don't do this if the secure mode flag was passed in
     //
     TW_NOTIFY_NORMAL( TSS_GetString( cTripwire, tripwire::STR_PU_UPDATE_DB ).c_str() );
     //
@@ -303,6 +308,7 @@ bool cPolicyUpdate::Execute( uint32 flags )  // throw (eError)
     {
         i.SetIterFlags( iFCODataSourceIter::DO_NOT_MODIFY_OBJECTS );
     }
+    
     const cFCOSpecListCanonicalIter newPolIter( mNewPolicy );
     util_PruneExtraObjects( i, newPolIter );
 

src/tripwire/policyupdate.h

@@ -64,15 +64,18 @@ public:
 
     bool Execute( uint32 flags = 0 ) ; // throw (eError)
         // if false is returned, then there was at least one conflict that came up during the policy
-        // update, and if tripwire was run in anal mode then the policy update should fail. 
+        // update, and if tripwire was run in secure mode then the policy update should fail. 
 
     enum Flags
     {
-        ANAL                    = 0x00000001,   // if this is set, then we are in anal mode. This affects whether error
+        FLAG_SECURE_MODE        = 0x00000001,   // if this is set, then we're in pedantic mode. This affects whether error
                                                 // messages appear as "Error" or "Warning"
-        FLAG_ERASE_FOOTPRINTS_PU= 0x00000002
+        FLAG_ERASE_FOOTPRINTS_PU= 0x00000002,
             // when this flag is set, cPolicyUpdate will attempt undo any inadvertant modifications
             // it may make when executing.
+        
+        FLAG_DIRECT_IO          = 0x00000004
+            // Use direct i/o when scanning files
     };
 
 private:

src/tripwire/twcmdline.cpp

@@ -433,6 +433,14 @@ static void FillOutConfigInfo(cTWModeCommon* pModeInfo, const cConfigFile& cf)
         pModeInfo->mbCrossFileSystems = false;
     }
 
+    if(cf.Lookup(TSTRING(_T("DIRECT_IO")), str))
+    {
+        if (_tcsicmp(str.c_str(), _T("true")) == 0)
+            pModeInfo->mbDirectIO = true;
+        else
+            pModeInfo->mbDirectIO = false;
+    }
+    
   // 
   // turn all of the file names into full paths (they're relative to the exe dir)
   // 
@@ -663,6 +671,7 @@ int cTWModeDbInit::Execute(cErrorQueue* pQueue)
         
         uint32 gdbFlags = 0;
         gdbFlags |= ( mpData->mbResetAccessTime ? cGenerateDb::FLAG_ERASE_FOOTPRINTS_GD : 0 );
+        gdbFlags |= ( mpData->mbDirectIO ? cGenerateDb::FLAG_DIRECT_IO : 0 );
        
         // loop through the genres
         cGenreSpecListVector::iterator genreIter;
@@ -776,7 +785,7 @@ public:
    TSTRING     mSeverityName;       // gets mapped to number, then treated like mSeverityLevel
    TSTRING     mRuleName;           // only the named rule will be checked
    TSTRING     mGenreName;          // if not empty, specifies the genre to check
-   bool     mbAnal;              // are we in anal mode? (only valid with mbUpdate == true)
+   bool     mbSecureMode;              // are we in extra-pedantic mode? (only valid with mbUpdate == true)
 
 #ifdef GMMS
    bool     mbGmms;              // Send violation reports via gmms?
@@ -790,7 +799,7 @@ public:
 
    // ctor can set up some default values
    cTWModeIC_i() : cTWModeCommon(), mbUpdate(false),  mbPrintToStdout(true),     mbEmail(false), mbEncryptReport(false), 
-               mSeverityLevel(-1), mbTrimBySeverity(false), mbAnal(false)
+               mSeverityLevel(-1), mbTrimBySeverity(false), mbSecureMode(false)
 #ifdef GMMS
                , mbGmms(false),     mGmmsVerbosity(2)
 #endif
@@ -1223,6 +1232,7 @@ int cTWModeIC::Execute(cErrorQueue* pQueue)
                     uint32 icFlags = 0;
                     icFlags |= ( mpData->mfLooseDirs ?          cIntegrityCheck::FLAG_LOOSE_DIR : 0 );
                     icFlags |= ( mpData->mbResetAccessTime ?    cIntegrityCheck::FLAG_ERASE_FOOTPRINTS_IC : 0 );
+                    icFlags |= ( mpData->mbDirectIO ?           cIntegrityCheck::FLAG_DIRECT_IO : 0 );
                 
                ic.ExecuteOnObjectList( fcoNames, icFlags );
                     
@@ -1354,6 +1364,7 @@ int cTWModeIC::Execute(cErrorQueue* pQueue)
                     uint32 icFlags = 0;
                     icFlags |= ( mpData->mfLooseDirs ?          cIntegrityCheck::FLAG_LOOSE_DIR : 0 );
                     icFlags |= ( mpData->mbResetAccessTime ?    cIntegrityCheck::FLAG_ERASE_FOOTPRINTS_IC : 0 );
+                    icFlags |= ( mpData->mbDirectIO ?           cIntegrityCheck::FLAG_DIRECT_IO : 0 );
                 
                ic.Execute( icFlags );
                
@@ -1531,7 +1542,7 @@ class cTWModeDbUpdate_i : public cTWModeCommon
 {
 public:
    bool  mbInteractive; // don't do interactive update; just integrate the report file
-   bool  mbAnal;        // are we in anal mode?
+   bool  mbSecureMode;        // are we in extra-pedantic mode?
    //std::string  mSitePassphrase;  // pass phrase for site key
     //bool    mSiteProvided;
 
@@ -1544,7 +1555,7 @@ public:
    cFCOReportHeader* mpReportHeader;
 
    // ctor can set up some default values
-   cTWModeDbUpdate_i() : cTWModeCommon(), mbInteractive(true), mbAnal(true), /*mSiteProvided(false),*/ mpReport(0), mpDbFile(0), mpReportHeader(0) {}
+   cTWModeDbUpdate_i() : cTWModeCommon(), mbInteractive(true), mbSecureMode(true), /*mSiteProvided(false),*/ mpReport(0), mpDbFile(0), mpReportHeader(0) {}
 };
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -1572,7 +1583,7 @@ void cTWModeDbUpdate::InitCmdLineParser(cCmdLineParser& cmdLine)
 
    cmdLine.AddArg(cTWCmdLine::MODE_UPDATE_DB,   TSTRING(_T("")),  TSTRING(_T("update")),        cCmdLineParser::PARAM_NONE);
    cmdLine.AddArg(cTWCmdLine::ACCEPT_ALL,    TSTRING(_T("a")), TSTRING(_T("accept-all")),    cCmdLineParser::PARAM_NONE);
-   cmdLine.AddArg(cTWCmdLine::ANAL_LEVEL,    TSTRING(_T("Z")), TSTRING(_T("secure-mode")),      cCmdLineParser::PARAM_ONE);
+   cmdLine.AddArg(cTWCmdLine::SECURE_MODE,    TSTRING(_T("Z")), TSTRING(_T("secure-mode")),      cCmdLineParser::PARAM_ONE);
    cmdLine.AddArg(cTWCmdLine::EDITOR,        TSTRING(_T("V")), TSTRING(_T("visual")),        cCmdLineParser::PARAM_ONE);
    cmdLine.AddArg(cTWCmdLine::PARAMS,        TSTRING(_T("")),  TSTRING(_T("")),           cCmdLineParser::PARAM_NONE);
 
@@ -1601,15 +1612,15 @@ bool cTWModeDbUpdate::Init(const cConfigFile& cf, const cCmdLineParser& cmdLine)
          case cTWCmdLine::ACCEPT_ALL:
             mpData->mbInteractive = false;
             break;
-         case cTWCmdLine::ANAL_LEVEL:
+         case cTWCmdLine::SECURE_MODE:
             ASSERT(iter.NumParams() > 0); 
             if(iter.ParamAt(0).compare(_T("high")) == 0)
-               mpData->mbAnal = true;
+               mpData->mbSecureMode = true;
             else if(iter.ParamAt(0).compare(_T("low")) == 0)
-               mpData->mbAnal = false;
+               mpData->mbSecureMode = false;
             else
             {
-               // invalid parameter to anal switch...
+               // invalid parameter to secure mode switch...
                // TODO -- print this to stderr; how do I display (1) the switch name 
                // and (2) the possible values?
                // TODO -- move {high, low} somewhere else
@@ -1665,7 +1676,7 @@ bool cTWModeDbUpdate::Init(const cConfigFile& cf, const cCmdLineParser& cmdLine)
 void cTWModeDbUpdate::Init(const cTWModeIC_i* pICData, cFCODatabaseFile* dbFile, cFCOReportHeader* prh, cFCOReport* pReport, bool bEncryptDb)
 {
    mpData->mbInteractive   = true;           // always interactive
-   mpData->mbAnal       = pICData->mbAnal;
+   mpData->mbSecureMode    = pICData->mbSecureMode;
    //mpData->mbBackup      = pICData->mbBackup;
    mpData->mDbFile         = pICData->mDbFile;
    mpData->mLocalKeyFile   = pICData->mLocalKeyFile;
@@ -1821,7 +1832,7 @@ int cTWModeDbUpdate::Execute(cErrorQueue* pQueue)
             udFlags |= ( mpData->mbResetAccessTime ? cUpdateDb::FLAG_ERASE_FOOTPRINTS_UD : 0 );
           
          cUpdateDb update( dbIter.GetDb(), *mpData->mpReport, pQueue );
-         if( (! update.Execute( udFlags )) && mpData->mbAnal )
+         if( (! update.Execute( udFlags )) && mpData->mbSecureMode )
          {
             // we will not perform the update; simply exit.
             TCOUT << TSS_GetString( cTripwire, tripwire::STR_DB_NOT_UPDATED) << std::endl;
@@ -1906,10 +1917,10 @@ public:
    TSTRING        mTextPolFile;
    wc16_string    mSitePassphrase;
     bool            mSiteProvided;
-   bool        mbAnal;
+   bool        mbSecureMode;
 
    // ctor can set up some default values
-   cTWModePolUpdate_i() : cTWModeCommon(), mSiteProvided(false), mbAnal(true) {}
+   cTWModePolUpdate_i() : cTWModeCommon(), mSiteProvided(false), mbSecureMode(true) {}
 };
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -1937,7 +1948,7 @@ void cTWModePolUpdate::InitCmdLineParser(cCmdLineParser& cmdLine)
    cmdLine.AddArg(cTWCmdLine::TEXT_POL_FILE, TSTRING(_T("")),  TSTRING(_T("")),              cCmdLineParser::PARAM_ONE);
    cmdLine.AddArg(cTWCmdLine::LOCAL_PASSPHRASE,TSTRING(_T("P")),  TSTRING(_T("local-passphrase")), cCmdLineParser::PARAM_ONE);
    cmdLine.AddArg(cTWCmdLine::SITE_PASSPHRASE,  TSTRING(_T("Q")), TSTRING(_T("site-passphrase")),     cCmdLineParser::PARAM_ONE);
-   cmdLine.AddArg(cTWCmdLine::ANAL_LEVEL,    TSTRING(_T("Z")), TSTRING(_T("secure-mode")),         cCmdLineParser::PARAM_ONE);
+   cmdLine.AddArg(cTWCmdLine::SECURE_MODE,    TSTRING(_T("Z")), TSTRING(_T("secure-mode")),         cCmdLineParser::PARAM_ONE);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -1973,15 +1984,15 @@ bool cTWModePolUpdate::Init(const cConfigFile& cf, const cCmdLineParser& cmdLine
             mpData->mSitePassphrase = cStringUtil::TstrToWstr(iter.ParamAt(0));
                 mpData->mSiteProvided = true;
             break;
-         case cTWCmdLine::ANAL_LEVEL:
+         case cTWCmdLine::SECURE_MODE:
             ASSERT(iter.NumParams() > 0); 
             if(iter.ParamAt(0).compare(_T("high")) == 0)
-               mpData->mbAnal = true;
+               mpData->mbSecureMode = true;
             else if(iter.ParamAt(0).compare(_T("low")) == 0)
-               mpData->mbAnal = false;
+               mpData->mbSecureMode = false;
             else
             {
-               // invalid parameter to anal switch...
+               // invalid parameter to secure mode  switch...
                // TODO -- print this to stderr; how do I display (1) the switch name 
                // and (2) the possible values?
                // TODO -- move {high, low} somewhere else
@@ -2026,7 +2037,6 @@ bool cTWModePolUpdate::Init(const cConfigFile& cf, const cCmdLineParser& cmdLine
    if (cTWUtil::VerifyCfgSiteKey( mstrConfigFile, mpData->mSiteKeyFile ) == false)
         cTWUtil::PrintErrorMsg(eTWCfgUnencrypted(_T(""), eError::NON_FATAL|eError::SUPRESS_THIRD_MSG));
     
-   
     #if IS_UNIX
     // Set the cross file systems flag appropriately.
     cFSDataSourceIter::SetFileSystemCrossing(mpData->mbCrossFileSystems);
@@ -2133,11 +2143,13 @@ int cTWModePolUpdate::Execute(cErrorQueue* pQueue)
             //
             cPolicyUpdate pu( genreIter->GetGenre(), dbIter.GetSpecList(), genreIter->GetSpecList(), dbIter.GetDb(), pQueue );
             uint32 puFlags = 0;
-                puFlags |= mpData->mbAnal ? cPolicyUpdate::ANAL : 0;
+                puFlags |= mpData->mbSecureMode ? cPolicyUpdate::FLAG_SECURE_MODE : 0;
                 puFlags |= ( mpData->mbResetAccessTime ? cPolicyUpdate::FLAG_ERASE_FOOTPRINTS_PU : 0 );
-            if( (! pu.Execute(puFlags)) && (mpData->mbAnal) )
+                puFlags |= ( mpData->mbDirectIO ? cPolicyUpdate::FLAG_DIRECT_IO : 0 );
+             
+            if( (! pu.Execute(puFlags)) && (mpData->mbSecureMode) )
             {
-               // they were in anal mode and errors occured; an error condition
+               // they were in secure mode and errors occured; an error condition
                TCOUT << TSS_GetString( cTripwire, tripwire::STR_ERR_POL_UPDATE) << std::endl;
                return 8;
             }
@@ -2164,6 +2176,8 @@ int cTWModePolUpdate::Execute(cErrorQueue* pQueue)
                 
             uint32 gdbFlags = 0;
             gdbFlags |= ( mpData->mbResetAccessTime ? cGenerateDb::FLAG_ERASE_FOOTPRINTS_GD : 0 );
+            gdbFlags |= ( mpData->mbDirectIO        ? cGenerateDb::FLAG_DIRECT_IO : 0 );
+             
             cGenerateDb::Execute( dbIter.GetSpecList(), dbIter.GetDb(), dbIter.GetGenreHeader().GetPropDisplayer(), pQueue, gdbFlags );
 
             //TODO -- what other prop displayer stuff do I have to do here?

src/tripwire/twcmdline.h

@@ -131,7 +131,7 @@ public:
       RULE_NAME,
       GENRE_NAME,
       ACCEPT_ALL,    // update db with entire report
-      ANAL_LEVEL,
+      SECURE_MODE,
       TEXT_POL_FILE,
       LOCAL_PASSPHRASE,
       SITE_PASSPHRASE,
@@ -174,6 +174,7 @@ class cTWModeCommon
   bool         mbResetAccessTime;      // do we reset access time when calculating properties of files?
   bool         mbLogToSyslog;          // log significant events and level 0 reports to SYSLOG
   bool         mbCrossFileSystems;     // automatically recurse across mount points on Unis FS genre
+  bool         mbDirectIO;             // Use direct i/o when scanning files, if platform supports it.
 
   cTextReportViewer::ReportingLevel mEmailReportLevel;   // What level of email reporting we should use
   cMailMessage::MailMethod       mMailMethod;      // What mechanism should we use to send the report
@@ -190,7 +191,8 @@ class cTWModeCommon
     mfLooseDirs(false), 
     mbResetAccessTime(false), 
     mbLogToSyslog(false),
-    mbCrossFileSystems(false)
+    mbCrossFileSystems(false),
+    mbDirectIO(false)
     {
     }
 };

src/tripwire/updatedb.h

@@ -76,6 +76,8 @@ public:
             // when this flag is set, UpdateDb will attempt
             // undo any inadvertant modifications it may make
             // when executing.
+        
+        
     };
 
 private:

src/tw/twstrings.h

@@ -73,7 +73,7 @@ TSS_BeginStringIds( tw )
     STR_ENTER_LOCAL_PASSPHRASE,
     STR_ENTER_SITE_PASSPHRASE,
     STR_ENTER_PROVIDED_PASSPHRASE,
-    STR_DB_NOT_UPDATED,     // db update not performed due to anal mode
+    STR_DB_NOT_UPDATED,     // db update not performed due to secure mode
     STR_IGNORE_PROPS,       // ignoring properties
     STR_NOT_IMPLEMENTED,
     STR_REPORT_EMPTY,