svn commit: r226725 - head/usr.sbin/ypserv

[Gleb Smirnoff]

Author: glebius
Date: Tue Oct 25 10:33:26 2011
New Revision: 226725
URL: http://svn.freebsd.org/changeset/base/226725

Log:
  Protect NIS server with madvise(2) since this daemon is required
  for succesful authentication of users.

Modified:
  head/usr.sbin/ypserv/yp_main.c

Modified: head/usr.sbin/ypserv/yp_main.c
==============================================================================
--- head/usr.sbin/ypserv/yp_main.c	Tue Oct 25 08:35:30 2011	(r226724)
+++ head/usr.sbin/ypserv/yp_main.c	Tue Oct 25 10:33:26 2011	(r226725)
@@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$");
  */
 
 #include <sys/types.h>
+#include <sys/mman.h>
 #include <sys/queue.h>
 #include <sys/socket.h>
 #include <sys/wait.h>
@@ -525,6 +526,9 @@ main(int argc, char *argv[])
 		unregister();
 	}
 
+	if (madvise(NULL, 0, MADV_PROTECT) != 0)
+		_msgout("madvise(): %s", strerror(errno));
+
 	/*
 	 * Create RPC service for each transport.
 	 */