linux-kernel - Re: [PATCH] iproute2: ss: escape all null bytes in abstract unix domain socket

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Message-ID: <20161202151810.4fab9504@xeon-e3>
Date:   Fri, 2 Dec 2016 15:18:10 -0800
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     Isaac Boukris <iboukris@...il.com>, davem@...emloft.net,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iproute2: ss: escape all null bytes in abstract unix
 domain socket

On Fri, 02 Dec 2016 10:59:56 -0800
Eric Dumazet <eric.dumazet@...il.com> wrote:

> On Sat, 2016-11-12 at 10:17 +0300, Stephen Hemminger wrote:
> > On Sat, 29 Oct 2016 22:20:19 +0300
> > Isaac Boukris <iboukris@...il.com> wrote:
> >   
> > > Abstract unix domain socket may embed null characters,
> > > these should be translated to '@' when printed by ss the
> > > same way the null prefix is currently being translated.
> > > 
> > > Signed-off-by: Isaac Boukris <iboukris@...il.com>  
> > 
> > Applied  
> 
> Probably not a good idea to have :
> 
>                        for (int i = 0; i < len; i++)
>                                if (name[i] == '\0')
>                                        name[i] = '@';
> 
> ss.c: In function 'unix_show_sock':
> ss.c:3128:4: error: 'for' loop initial declarations are only allowed in C99 mode
> ss.c:3128:4: note: use option -std=c99 or -std=gnu99 to compile your code
> make[1]: *** [ss.o] Error 1
> 
> 
> 

Thanks, fixed by patch from Simon