Fixing OSX remote arch detection

[Ralph Boehme]

On Thu, Jan 14, 2016 at 11:48:20AM -0800, Justin Maggard wrote:
> On Wed, Jan 13, 2016 at 11:53 PM, Volker Lendecke
> <Volker.Lendecke at sernet.de> wrote:
> > On Wed, Jan 13, 2016 at 05:43:33PM -0800, Justin Maggard wrote:
> >> OSX has been getting detected as Vista, for a while now.  Fortunately,
> >> it appears to advertise a unique protocol list, so we should be able to
> >> detect it easily.  However, I was having trouble deciphering the cryptic
> >> method of doing remote arch detection; so I gave up and rewrote it in a
> >> way that I (and hopefully others) can understand more easily. :-)
> >>
> >> I tested locally on the various platforms I have handy (OSX El Capitan,
> >> WinNT 4, Win10, Samba/smbclient, and CIFSFS), and did not find any
> >> regressions.
> >
> > Does OS/X always start with a SMB1-style negprot? This would fall over
> > if it eventually starts with just an SMB2 negprot.
> >
> 
> Yes, I tried mounting a few different ways, and OSX always started
> with a SMB1-style negprot.  I understand that if they change their SMB
> client to skip SMB1 negprot (like CIFSFS does when specifying SMB2 or
> 3), this will no longer work; but I don't know of an alternative.

tested & reviewed, can I get a second team member's review please?

-Ralph

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