Re: "dnet: Failed to open device" errors on AIX, as root

[David Fifield <david () bamsoftware com>]

On Sat, Mar 02, 2013 at 04:44:35PM -0500, Ben Lentz wrote:
> On Sat, Mar 2, 2013 at 2:01 AM, David Fifield <david () bamsoftware com> wrote:
> > On Fri, Feb 15, 2013 at 03:43:12PM -0500, Ben Lentz wrote:
> > > >     Adding --data-length doesn't seem to make a difference.
> > > >
> > > >     $ sudo /opt/local/nmap/bin/nmap -sT --data-length 60 10.0.17.1
> > > >
> > > >     Starting Nmap 6.01 ( http://nmap.org ) at 2012-12-10 16:33 EST
> > > >     WARNING:  eth_send of ARP packet returned -1 rather than expected 42
> > > >     (errno=19: No such device)
> > > >     WARNING:  eth_send of ARP packet returned -1 rather than expected 42
> > > >     (errno=19: No such device)
> > > >     Note: Host seems down. If it is really up, but blocking our ping probes, try -Pn
> > > >     Nmap done: 1 IP address (0 hosts up) scanned in 0.46 seconds
> > > >
> > > > --data-length doesn't seem to be having an effect here. Try applying the
> > > > very last hunk of http://seclists.org/nmap-dev/2011/q4/att-353/aix.patch.
> > >
> > > Sorry for the late reply. I applied the last hunk of patch
> > > http://seclists.org/nmap-dev/2011/q4/att-353/aix.patch
> > >
> > > --- libdnet-stripped/src/eth-ndd.c    (revision 27119)
> > > +++ libdnet-stripped/src/eth-ndd.c    (working copy)
> >
> > I'm sorry, I lost context. Can you show us the complete diff of changes
> > you have applied to your source tree? If you are in an SVN working
> > directory, just do "svn diff > diff.patch".
> >
> > David Fifield
>
> I am working off the source from http://nmap.org/dist/nmap-6.01.tgz.
>
> Here is the complete diff:
>
> *** ./libdnet-stripped/src/eth-ndd.c    Sun Dec  2 00:42:53 2012
> --- ./libdnet-stripped/src/eth-ndd.c    Sun Dec  2 00:43:15 2012
> ***************
> *** 42,48 ****
>         sa.sndd_8022_family = AF_NDD;
>           sa.sndd_8022_len = sizeof(sa);
>         sa.sndd_8022_filtertype = NS_ETHERTYPE;
> !       sa.sndd_8022_ethertype = ETH_TYPE_IP;
>         sa.sndd_8022_filterlen = sizeof(struct ns_8022);
>         strlcpy(sa.sndd_8022_nddname, device, sizeof(sa.sndd_8022_nddname));
>
> --- 42,48 ----
>         sa.sndd_8022_family = AF_NDD;
>           sa.sndd_8022_len = sizeof(sa);
>         sa.sndd_8022_filtertype = NS_ETHERTYPE;
> !       sa.sndd_8022_ethertype = 0;
>         sa.sndd_8022_filterlen = sizeof(struct ns_8022);
>         strlcpy(sa.sndd_8022_nddname, device, sizeof(sa.sndd_8022_nddname));

It looks like you are still missing an important part of the patch.
Please try this patch which adds padding to short packets.

David Fifield

Attachment: nmap-6.01-ndd-eth_send-pad.patch
Description:

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