[src/trunk]: src/sbin/route route: Decode the correct flags for interface add...

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

details:   https://anonhg.NetBSD.org/src/rev/b4d692e22fc9
branches:  trunk
changeset: 848259:b4d692e22fc9
user:      roy <roy%NetBSD.org@localhost>
date:      Wed Jan 22 17:55:41 2020 +0000

description:
route: Decode the correct flags for interface address messages

diffstat:

 sbin/route/route.c |  23 ++++++++++++++++++++---
 1 files changed, 20 insertions(+), 3 deletions(-)

diffs (61 lines):

diff -r eb7f8f3aec69 -r b4d692e22fc9 sbin/route/route.c
--- a/sbin/route/route.c        Wed Jan 22 17:15:53 2020 +0000
+++ b/sbin/route/route.c        Wed Jan 22 17:55:41 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: route.c,v 1.163 2019/09/02 00:30:01 roy Exp $  */
+/*     $NetBSD: route.c,v 1.164 2020/01/22 17:55:41 roy Exp $  */
 
 /*
  * Copyright (c) 1983, 1989, 1991, 1993
@@ -39,7 +39,7 @@
 #if 0
 static char sccsid[] = "@(#)route.c    8.6 (Berkeley) 4/28/95";
 #else
-__RCSID("$NetBSD: route.c,v 1.163 2019/09/02 00:30:01 roy Exp $");
+__RCSID("$NetBSD: route.c,v 1.164 2020/01/22 17:55:41 roy Exp $");
 #endif
 #endif /* not lint */
 
@@ -54,6 +54,7 @@
 #include <net/if_dl.h>
 #include <net80211/ieee80211_netbsd.h>
 #include <netinet/in.h>
+#include <netinet/in_var.h>
 #include <netatalk/at.h>
 #include <netmpls/mpls.h>
 #include <arpa/inet.h>
@@ -1301,9 +1302,12 @@
        [RTM_CHGADDR] = "RTM_CHGADDR: address being changed on iface",
 };
 
+const char unknownflags[] = "\020";
 const char metricnames[] = RTVBITS;
 const char routeflags[] = RTFBITS;
 const char ifnetflags[] = IFFBITS;
+const char in_ifflags[] = IN_IFFBITS;
+const char in6_ifflags[] = IN6_IFFBITS;
 const char addrnames[] = RTABITS;
 
 
@@ -1373,7 +1377,20 @@
                ifam = (struct ifa_msghdr *)rtm;
                (void)printf("pid %d, metric %d, flags: ",
                    ifam->ifam_pid, ifam->ifam_metric);
-               bprintf(stdout, ifam->ifam_flags, routeflags);
+               struct sockaddr *sa = (struct sockaddr *)(ifam + 1);
+               const char *bits;
+               switch (sa->sa_family) {
+               case AF_INET:
+                       bits = in_ifflags;
+                       break;
+               case AF_INET6:
+                       bits = in6_ifflags;
+                       break;
+               default:
+                       bits = unknownflags;
+                       break;
+               }
+               bprintf(stdout, ifam->ifam_flags, bits);
                pmsg_addrs((char *)(ifam + 1), ifam->ifam_addrs);
                break;
        case RTM_IEEE80211: