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Re: Win32 port
From: "Jeff" <typoon () free fr>
Date: Thu, 28 Feb 2002 20:10:53 +0100

I don't use Microsoft ICF.
Instead I have Tiny Firewall, but it seems that nmap "doesn't reach" the
network card because I don't get any popup nor messages in the log files.
Tiny status windows doesn't show any inbound or outbound connection from any
nmap process.

Sounds very very strange as it works fine with win2k. I think PPPoE drivers
(RASPPPoE) can be incriminated.

Jeff

----- Original Message -----
From: "Kevin³ Davis" <kevin.davis () mindless com>
To: "Jeff" <typoon () free fr>; <nmap-dev () insecure org>
Sent: Thursday, February 28, 2002 12:29 AM
Subject: Re: Win32 port


Do you have any rules or other configuration settings on the XP firewall
in
use that could be blocking things?

---------------------------------------
Kevin³ Davis

What could possibly go wrong?

kevin.davis () mindless com
----- Original Message -----
From: "Jeff" <typoon () free fr>
To: <nmap-dev () insecure org>
Sent: Wednesday, February 27, 2002 11:04 AM
Subject: Re: Win32 port


I used to have crashes on XP box when using original source for 2.54B30.
Have applied the patch on rawrecv.c and no more crashes ;-)

The only - but ENORMOUS - problem I have now is... nmap doesn't detect any
up-host behing my DSL modem.Only local computer on LAN are detected and
scanned.
Used to work fine under win2k wiht PPPoA and Winpcap 2.2

Actual configuration is XP Pro / Alcatel PPPoE / winpcap 2.3 (same results
without winpcap)

any ideas ?

Jeff

----- Original Message -----
From: "Kevin³ Davis" <kevin.davis () mindless com>
To: "Stou Sandalski" <tangui () cell2000 net>; "'Paul Ellison'"
<philo () mmcable com>; <nmap-dev () insecure org>
Sent: Wednesday, February 27, 2002 12:28 PM
Subject: Re: Win32 port


A while back I posted a problem I had with nmap crashing on Windows
boxes -
sometimes.  Andy Lutomirski posted a patch that fixed things for me.
Hopefully this has made it into the developer's hands and will be
implemented in the next release.  See below for the fix:




Change readip_rawrecv in rawrecv.c to this:

char *rawrecv_readip(pcap_t *pd, unsigned int *len, long to_usec)
{
 int rcvlen;
 DWORD time1, time2;
 fd_set fds;
 TIMEVAL tv;

 if(-2 != (long)pd)
  fatal("rawrecv_readip: called with non-rawrecv handle\n");

begin:

 // Note: I could use SO_RCVTIMEO but I don't trust it...
 time1 = GetTickCount();
 FD_ZERO(&fds);
 FD_SET(s, &fds);
 tv.tv_usec = to_usec % 1000000;
 tv.tv_sec = to_usec / 1000000;
 if(0 == select(0, &fds, 0, 0, &tv))
 {
  if(len) *len = 0;
  return 0;
 }

 rcvlen = recv(s, buf, sizeof(buf), 0);
 time2 = GetTickCount() + 10;

 if(rcvlen > 0)
 {
  if(rcvlen >= sizeof(struct ip) && filter(buf, rcvlen))
  {
   if(len) *len = rcvlen;
   return buf;
  }
  else
  {
   to_usec -= 1000 * (time2 - time1);
   if(to_usec < 0)
   {
    if(len) *len = 0;
    return 0;
   }
   goto begin;
  }
 }
 else
 {
  DWORD err = WSAGetLastError();
  if(err != WSAETIMEDOUT && err != WSAEWOULDBLOCK)
   fatal("rawrecv: recv failed (%lu)\n", err);

  if(len) *len = 0;
  return 0;
 }
}


---------------------------------------
Kevin³ Davis

What could possibly go wrong?

kevin.davis () mindless com
----- Original Message -----
From: "Stou Sandalski" <tangui () cell2000 net>
To: "'Paul Ellison'" <philo () mmcable com>; <nmap-dev () insecure org>
Sent: Wednesday, February 27, 2002 1:54 AM
Subject: RE: Win32 port


Because of some people requesting a XP build of nmap I had compiled it
with .NET and upped it here a while back:

http://cell2000.net/~users/tangui/nmap-2.54beta30(binary).zip

It works on my laptop with XP but for some reason cores on my primary
desktop, I will test it on a few other systems soon.

Stou

-----Original Message-----
From: Paul Ellison [mailto:philo () mmcable com]
Sent: Tuesday, February 26, 2002 10:31 PM
To: nmap-dev () insecure org
Subject: Win32 port

I realize I asked this same question a little over a week ago but
have
since
crashed and reload and lost misc things like email.  Back now and
need
to
ask the same question please!  :)

Does anyone happen to have or know where one might get the latest
port
to
windows for nmap?  I would be most appreciative of any ideas to go.

Thanks!

Paul



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