Re: Why 232 rounds?

["Luis MartinGarcia." <luis.mgarc () gmail com>]

On 09/17/2012 10:59 PM, Fyodor wrote:
> On Thu, Sep 13, 2012 at 10:56:00PM +0100, Luis MartinGarcia. wrote:
> > > Maybe I need
> > > to build it differently or something, but I just get a seg fault when
> > > I try to run it.  
> > Interesting. I have added a few assert()s and debug messages. Could you
> > please update the whole branch (including nmap and libnetutil), and try
> > to run it again passing "-d4". The debug output may help me narrow the
> > problem.
> Hi Luis.  I've upgraded to Fedora 17 from 16 (including the newer
> compiler versions) and I can't reproduce the segfault any more, even
> with the svn code from September 12.  However, I did notice one
> potential regression since r29763.  With that version (or current Nmap
> trunk), nping as a normal user works fine (uses TCP connect ping).
> But with the latest svn nmap-npingchanges, I get this:
>
> [fyodor@hax nmap-npingchanges]$ nping/nping scanme.nmap.org
>
> Starting Nping 0.5.61TEST4 ( http://nmap.org/nping ) at 2012-09-17 13:58 PDT
> pcap_open_live(em1, 8192, 0, 200) FAILED. Reported error: em1: You don't have permission to capture on that device 
> (socket: Operation not permitted). Will wait 4 seconds then retry.
> pcap_open_live(em1, 8192, 0, 200) FAILED. Reported error: em1: You don't have permission to capture on that device 
> (socket: Operation not permitted). Will wait 8 seconds then retry.
> Call to pcap_open_live(em1, 8192, 0, 200) failed three times. Reported error: em1: You don't have permission to 
> capture on that device (socket: Operation not permitted)
> There are several possible reasons for this, depending on your operating system:
> LINUX: If you are getting Socket type not supported, try modprobe af_packet or recompile your kernel with PACKET 
> enabled.
> *BSD:  If you are getting device not configured, you need to recompile your kernel with Berkeley Packet Filter 
> support.  If you are getting No such file or directory, try creating the device (eg cd /dev; MAKEDEV <device>; or use 
> mknod).
> *WINDOWS:  Nmap only supports ethernet interfaces on Windows for most operations because Microsoft disabled raw 
> sockets as of Windows XP SP2.  Depending on the reason for this error, it is possible that the --unprivileged 
> command-line argument will help.
> SOLARIS:  If you are trying to scan localhost and getting '/dev/lo0: No such file or directory', complain to Sun.  I 
> don't think Solaris can support advanced localhost scans.  You can probably use "-PN -sT localhost" though.
>
> Error opening capture device em1 --> nsock-pcap: can't open pcap! Are you root?
>
>
> Cheers,
> Fyodor


Hi,

I am happy to report that as of r30027, the issue Fyodor reported, is
fixed. Could you please svn update and try again?

Regards,

Luis MartinGarcia.


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