1979. [port] linux: allow named to drop core after changing

user ids. [RT #15753]

bin/named/unix/os.c

@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: os.c,v 1.75 2005/05/20 01:37:03 marka Exp $ */
+/* $Id: os.c,v 1.76 2006/02/02 23:33:21 marka Exp $ */
 
 /*! \file */
 
@@ -499,6 +499,13 @@ ns_os_changeuser(void) {
 #if defined(HAVE_LINUX_CAPABILITY_H) && !defined(HAVE_LINUXTHREADS)
 	linux_minprivs();
 #endif
+#if defined(HAVE_SYS_PRCTL_H) && defined(PR_SET_DUMPABLE)
+	/*
+	 * Restore the ability of named to drop core after the setuid()
+	 * call has disabled it.
+	 */
+	prctl(PR_SET_DUMPABLE,1,0,0,0);
+#endif
 }
 
 void