bin/154147: netstat -ian leaking out embedded scope index

[Petr Lampa]

The following reply was made to PR bin/154147; it has been noted by GNATS.

From: Petr Lampa <lampa at fit.vutbr.cz>
To: bug-followup at FreeBSD.org, lampa at fit.vutbr.cz
Cc:  
Subject: Re: bin/154147: netstat -ian leaking out embedded scope index
Date: Thu, 20 Jan 2011 13:38:54 +0100

 I've just found yet another case of leaking out embedded scope index:
 
 netstat -i
 em0    1500 fe80:1::230:4 fe80:1::230:48ff:      943     -     -     9907     - 
 lo0   16384 fe80:3::1     fe80:3::1                0     -     -        0     - 
 
 should be:
 em0    1500 fe80::230:48f fe80::230:48ff:fe      943     -     -     9913     -
 lo0   16384 fe80::1       fe80::1                  0     -     -        0     -
 
 Here is the second patch:
 
 *** if.c.old    2011-01-19 18:41:32.000000000 +0100 
 --- if.c        2011-01-20 13:32:10.000000000 +0100
 ***************
 *** 347,352 ****
 --- 347,358 ----
   #ifdef INET6
                         case AF_INET6:
                                 sockin6 = (struct sockaddr_in6 *)sa;
 +                               if (IN6_IS_ADDR_LINKLOCAL(&sockin6->sin6_addr) |
 |
 +                                   IN6_IS_ADDR_MC_NODELOCAL(&sockin6->sin6_addr
 ) ||
 +                                   IN6_IS_ADDR_MC_LINKLOCAL(&sockin6->sin6_addr
 )) {
 +                                       sockin6->sin6_addr.s6_addr[2] = 0;
 +                                       sockin6->sin6_addr.s6_addr[3] = 0;
 +                               }
                                 printf("%-13.13s ",
                                        netname6(&ifaddr.in6.ia_addr,
                                                 &ifaddr.in6.ia_prefixmask.sin6_addr));
 
 Petr Lampa
 
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