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Re: Quick patch for Intel-based Macintosh
From: Andy Lutomirski <luto () stanford edu>
Date: Wed, 25 Jan 2006 00:49:57 -0800

On 1/25/06, Fyodor <fyodor () insecure org> wrote:

On Wed, Jan 25, 2006 at 12:05:13AM -0800, Kurt Grutzmacher wrote:
--- nmap-3.98BETA1/tcpip.cc     2006-01-22 13:50:10.000000000 -0800
+++ nmap-3.98BETA1-grutz/tcpip.cc       2006-01-24 22:26:25.000000000
-0800
@@ -987,7 +987,7 @@
       must deal with it here rather than when building the packet,
       because they should be in NBO when I'm sending over raw
       ethernet */
-#if FREEBSD || BSDI || NETBSD || DEC
+#if FREEBSD || BSDI || NETBSD || DEC || MACOSX
    ip->ip_len = ntohs(ip->ip_len);
    ip->ip_off = ntohs(ip->ip_off);
#endif


Thanks.  Breaking Mac OS X PPC to fix Mac OS X Intel wouldn't really
be a net win (if this patch does indeed break PPC).


I don't have a Mac, but this appears perfectly safe, as (unless I'm grossly
mistaken), PPC is big-endian and ntohs is a no-op.

--Andy



o Any Mac OS X PPC users out there willing to test with this patch and
  see if it still works?

o Any other Mac OS X Intel users who can test without the patch
(report wither base Nmap 3.98BETA1 works or not), then apply the patch
and 'make clean;make' and test (and report back to nmap-dev) whether
it works with the patch.  That certainly would be useful, as I would
like Nmap 4.0 to work with Mac OS X Intel.

Thanks,
Fyodor


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