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Date:      Mon, 29 Dec 2014 13:37:14 +0800
From:      Kevin Lo <kevlo@FreeBSD.org>
To:        Rick Macklem <rmacklem@uoguelph.ca>
Cc:        freebsd-fs@freebsd.org, kirk@ba23.org
Subject:   Re: help using mount_smbfs with apple time capsule server
Message-ID:  <20141229053714.GA66793@ns.kevlo.org>
In-Reply-To: <1027320326.3203438.1419808327617.JavaMail.root@uoguelph.ca>
References:  <CAN1LDCG3FEtQ1mhyrGOyB3QKdNe%2BK3Miqz2tBgxjAQ6jxXzz6g@mail.gmail.com> <1027320326.3203438.1419808327617.JavaMail.root@uoguelph.ca>

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On Sun, Dec 28, 2014 at 06:12:07PM -0500, Rick Macklem wrote:
> 
> Kirk Russell wrote:
> > Hi,
> > 
> > I cannot get FreeBSD 10's smbfs client to work with my server -- an
> > Apple time
> > capsule 4th generation version 7.6.4.
> > 
> > Here are the commands I ran, to reproduce the issue:
> > # uname -a
> > FreeBSD  10.1-RELEASE FreeBSD 10.1-RELEASE #0 r274401: Tue Nov 11
> > 21:02:49 UTC 2014
> > root@releng1.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC  amd64
> > # mount_smbfs -R 16 //lamb@Meganium/Data /mnt
> > Password:
> > # dd if=/mnt/afile bs=1 count=1 of=/dev/null
> > dd: /mnt/afile: No such file or directory

Are you sure the file "afile" really exists?

> > For the FreeBSD 10 session, I tried to capture the raw packets, using
> > tcpdump,
> > in file bad.tcpdump.
> > 
> > 
> > This works with FreeBSD 9.  For this working session, I tried to
> > capture the
> > raw packets, using tcpdump, in file good.tcpdump.
> > 
> > # uname -a
> > FreeBSD  9.3-STABLE FreeBSD 9.3-STABLE #0: Wed Dec 24 16:16:05 EST
> > 2014     kirk@freenas:/usr/obj/usr/src/sys/GENERIC  amd64
> > # mount_smbfs -R 16 //lamb@Meganium/Data /mnt
> > Password:
> > # dd if=/mnt/afile bs=1 count=1 of=/dev/null
> > 1+0 records in
> > 1+0 records out
> > 1 bytes transferred in 0.000345 secs (2899 bytes/sec)
> > 
> > 
> > The two raw packets dumps are in this archive:
> > http://www.employees.org/~kirk/bstgbugs/smbfs.tar.gz
> > 
> > Any pointers how to get his working?
> > The server appears to be returning an ERRbadpath error.
> > 
> Well, my guess is that it has something to do with the Unicode
> changes added to smbfs about three years ago by kevlo@ (r227650
> and friends in head). These changes are not in FreeBSD9.

Hmm, it was MFC'ed to stable/9 (r230196).

> It appears that it now sends "\\afile" instead of "\afile" and
> I know nothing about the code/protocol but r227650 added changes
> like:
>           error = mb_put_uint8(mbp, '\\');
> replaced with:
>           if (SMB_UNICODE_STRINGS(vcp))
>  	          error = mb_put_uint16le(mbp, '\\')
>           else
>                   error = mb_put_uint8(mbp, '\\');
> Note that the '\\' is actually 4 \ characters.
> 
> Hopefully someone knows enough about Unicode or how SMB
> uses it to make sense of this?

I tested it under FreeBSD -current [1] and and 9.3-STABLE [2], 
it works perfectly...

[1] ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/ISO-IMAGES/11.0/FreeBSD-11.0-CURRENT-amd64-20141222-r276066-memstick.img

[2] ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/ISO-IMAGES/9.3/FreeBSD-9.3-STABLE-amd64-20141222-r276041-memstick.img

> rick
> 
> > --
> > Kirk Russell            <kirk@ba23.org>
> >           http://www.ba23.org/

	Kevin



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