Mark all FDs as close-on-exec

This marks all FDs which are valid after the function creating them returns
as close-on-exec, so that processes started from ZNC (e.g. through the shell
module) don't inherit a copy of all of our FDs.

Csocket already does this for its FDs.


git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@1004 726aef4b-f618-498e-8847-2d620e286838

FileUtils.cpp

@@ -7,6 +7,7 @@
  */
 
 #include "FileUtils.h"
+#include "Utils.h"
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -251,6 +252,9 @@ bool CFile::Open(int iFlags, mode_t iMode) {
 	if (m_iFD < 0)
 		return false;
 
+	/* Make sure this FD isn't given to childs */
+	SetFdCloseOnExec(m_iFD);
+
 	m_bClose = true;
 	return true;
 }