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

user ids. [RT #15753]

CHANGES

@@ -1,3 +1,6 @@
+1979.	[port]		linux: allow named to drop core after changing
+			user ids. [RT #15753]
+
 1978.	[port]		Handle systems which have a broken recvmsg().
 			[RT #15742]
 

bin/named/unix/os.c

@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: os.c,v 1.46.2.4.8.22 2005/05/20 01:37:19 marka Exp $ */
+/* $Id: os.c,v 1.46.2.4.8.23 2006/02/02 23:37:57 marka Exp $ */
 
 #include <config.h>
 #include <stdarg.h>
@@ -497,6 +497,13 @@ 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