colin
/
tripwire-open-source
mirror of https://github.com/Tripwire/tripwire-open-source.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Use O_NOATIME while scanning (if available) to avoid updating file access times.

This commit is contained in:
Brian Cox 2016-05-24 18:50:00 -07:00
parent 778c397d48
commit 0082db13fa
1 changed files with 19 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
src/core/file_unix.cpp
View File

@ -129,22 +129,22 @@ void cFile::Open( const TSTRING& sFileNameC, uint32 flags )
TSTRING sFileName = cArosPath::AsNative(sFileNameC); TSTRING sFileName = cArosPath::AsNative(sFileNameC);
#endif #endif
mode_t openmode = 0664; mode_t openmode = 0664;
if ( mpData->mpCurrStream != NULL ) if (mpData->mpCurrStream != NULL)
Close(); Close();
// //
// set up the sopen permissions // set up the open permissions
// //
int perm = 0; int perm = 0;
TSTRING mode; TSTRING mode;
if( flags & OPEN_WRITE ) if (flags & OPEN_WRITE)
{ {
perm |= O_RDWR; perm |= O_RDWR;
isWritable = true; isWritable = true;
mode = _T("rb"); mode = _T("rb");
if( flags & OPEN_TRUNCATE ) if (flags & OPEN_TRUNCATE)
{ {
perm |= O_TRUNC; perm |= O_TRUNC;
perm |= O_CREAT; perm |= O_CREAT;
@ -160,24 +160,29 @@ void cFile::Open( const TSTRING& sFileNameC, uint32 flags )
mode = _T("rb"); mode = _T("rb");
} }
if ( flags & OPEN_EXCLUSIVE ) { if (flags & OPEN_EXCLUSIVE) {
perm |= O_CREAT | O_EXCL; perm |= O_CREAT | O_EXCL;
openmode = (mode_t) 0600; // Make sure only root can read the file openmode = (mode_t) 0600; // Make sure only root can read the file
} }
if ( flags & OPEN_CREATE ) if (flags & OPEN_CREATE)
perm |= O_CREAT; perm |= O_CREAT;
#ifdef O_NONBLOCK #ifdef O_NONBLOCK
if( flags & OPEN_SCANNING ) if (flags & OPEN_SCANNING)
perm |= O_NONBLOCK; perm |= O_NONBLOCK;
#endif #endif
#ifdef O_NOATIME
if (flags & OPEN_SCANNING)
perm |= O_NOATIME;
#endif
#ifdef O_DIRECT #ifdef O_DIRECT
//Only use O_DIRECT for scanning, since cfg/policy/report reads //Only use O_DIRECT for scanning, since cfg/policy/report reads
// don't happen w/ a nice round block size. // don't happen w/ a nice round block size.
if ((flags & OPEN_DIRECT) && (flags & OPEN_SCANNING)) if ((flags & OPEN_DIRECT) && (flags & OPEN_SCANNING))
perm |= O_DIRECT; perm |= O_DIRECT;
#endif #endif
// //