[src/pgoyette-compat]: src/sys/net Don't accept OIFLIST operation unless the ...

[pgoyette <pgoyette%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/23d638ba6aa2
branches:  pgoyette-compat
changeset: 447441:23d638ba6aa2
user:      pgoyette <pgoyette%NetBSD.org@localhost>
date:      Fri Jan 11 07:55:53 2019 +0000

description:
Don't accept OIFLIST operation unless the rtsock_70_hook is loaded,
even though the results are otherwise identical to those on current.

diffstat:

 sys/net/rtsock.c |  11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diffs (33 lines):

diff -r e2188f8005b3 -r 23d638ba6aa2 sys/net/rtsock.c
--- a/sys/net/rtsock.c  Fri Jan 11 06:27:45 2019 +0000
+++ b/sys/net/rtsock.c  Fri Jan 11 07:55:53 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rtsock.c,v 1.238.2.14 2019/01/11 06:27:45 pgoyette Exp $       */
+/*     $NetBSD: rtsock.c,v 1.238.2.15 2019/01/11 07:55:53 pgoyette Exp $       */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -61,7 +61,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rtsock.c,v 1.238.2.14 2019/01/11 06:27:45 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rtsock.c,v 1.238.2.15 2019/01/11 07:55:53 pgoyette Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -1839,8 +1839,13 @@
                info.rti_info[RTAX_IFP] = NULL;
                if (w->w_where && w->w_tmem && w->w_needed <= 0) {
                        switch (type) {
+                       case NET_RT_OIFLIST: /* old _70 */
+                               if (rtsock_70_hook.f1 == NULL) {
+                                       error = EINVAL;
+                                       break;
+                               }
+                               /* FALLTHROUGH */
                        case NET_RT_IFLIST: /* current */
-                       case NET_RT_OIFLIST: /* old _70 */
                                error = sysctl_iflist_if(ifp, w, &info, len);
                                break;
                        case NET_RT_OOIFLIST: /* old _50 */