DMARC-Filter:	OpenDMARC Filter v1.4.2 delorie.com 50ABjk6M1489312
Authentication-Results:	delorie.com; dmarc=pass (p=none dis=none) header.from=cygwin.com
Authentication-Results:	delorie.com; spf=pass smtp.mailfrom=cygwin.com
DKIM-Filter:	OpenDKIM Filter v2.11.0 delorie.com 50ABjk6M1489312
Authentication-Results:	delorie.com;
	dkim=pass (1024-bit key, unprotected) header.d=cygwin.com header.i=@cygwin.com header.a=rsa-sha256 header.s=default header.b=s0rs/sCE
X-Recipient:	archive-cygwin AT delorie DOT com
DKIM-Filter:	OpenDKIM Filter v2.11.0 sourceware.org 6D5E43858401
DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com;
	s=default; t=1736509544;
	bh=zhr+6rsypojVlIjtqmr4YQ9l1+sTINRLYRhhV7p/pNE=;
	h=References:In-Reply-To:Date:Subject:To:List-Id:List-Unsubscribe:
	List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:
	From;
	b=s0rs/sCEO1lBaEgrAAEOFB97fcTBTmPMJ/pTU6B4+tId9TQpqB9vdG18ZJRARD9pZ
	0Wkt1E1K+F/J89olcRI5n51UsubICW258wa2H3RI42wa89X72Wmit8v8AgFPP8Ia16
	y6Hoo/rtdRqf96wcWosUA9KKtalPEw70KM8g1YV4=
X-Original-To:	cygwin AT cygwin DOT com
Delivered-To:	cygwin AT cygwin DOT com
DMARC-Filter:	OpenDMARC Filter v1.4.2 sourceware.org A610A3858D34
ARC-Filter:	OpenARC Filter v1.0.0 sourceware.org A610A3858D34
ARC-Seal:	i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1736509477; cv=none;
	b=PrEJoeMwjjIa6OMOEy737pSfSAVXgVMahq67UfZJ1iv0WVmqpFsNuJQQkZ4TqlwuUoGcOPn4UibLlgErk2B/I2mmhy9iHW2ayaLsW4u8Ktx4SxvZrtiSKhkEFQh+RSvEHPLbDsNahQd5RfneyM1iBqDruv13kvpr4knNr2E3RyI=
ARC-Message-Signature:	i=1; a=rsa-sha256; d=sourceware.org; s=key;
	t=1736509477; c=relaxed/simple;
	bh=a7TXJzYR/DZP364gSdi68op6foHOnLVV4pgY0qdG7/A=;
	h=DKIM-Signature:MIME-Version:From:Date:Message-ID:Subject:To;
	b=HnpMssr9NeQokNc7pyyuP3CRzXImE7jZ+iArx0xZSETaq2MHAt1rhcD/pQAF9YI8YEBJLd4iUwVDCzvqAR6Dx0Y+PAWrOJWgF/KxzvTkoFze4CKcIz7xiNmhEXlSoHOEVc18hU7Jok6gJvizy+BBSij75FFB8phBSOUTDuvsrdQ=
ARC-Authentication-Results:	i=1; server2.sourceware.org
DKIM-Filter:	OpenDKIM Filter v2.11.0 sourceware.org A610A3858D34
X-Google-DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/relaxed;
	d=1e100.net; s=20230601; t=1736509475; x=1737114275;
	h=content-transfer-encoding:to:subject:message-id:date:from
	:in-reply-to:references:mime-version:x-gm-message-state:from:to:cc
	:subject:date:message-id:reply-to;
	bh=ddCRHdcYxtF7CvHRRlVod8xM/pY0iCtQRVexEKW+Zng=;
	b=ARimVbu64G1tS/vX4QryTo9KCcVpLqyGuq70jNqbaFml14g0nNz72ROP47qtKtAlkc
	Ya2BMsDUKtLYLcZWaYZdt95rpofnA6GANzuencP7xxaw8P4JqtorGqzXa5b3jGZtya8r
	NPyFlDk2kws1FGt9KcVjnjBm5EEiHzpGyAwpRYw16HA4Od3XIp/xDXWyVhCftQ2WbRj4
	40ook89SOG6wX3wEN+FIC+VZrHHUMVVWI1G3w6LMFTFYH+YkJSllX45vLGGDh54NRUzO
	4G8UE+IPLVJZcBW8rC8NfCXfln+uTrGG+8fvxLEoW1GL+93JZoQGcjLp+lEJBylDu7VA
	m1Xg==
X-Gm-Message-State:	AOJu0Yyj7unbhbhP51km2Dr2pobMfJ9ffiYsrluleE9Sy0zeJMY42o/w
	O/k0JXih/ELhUDrm2i9bdvTQ/Qp/cpyCuDX+KVMtP1ErLWH6PV8LHS4fbHLmz3QzUe1DeC/42nk
	QdNvNveT+TjiuIpcmXO1b6TlvnGY7gg==
X-Gm-Gg:	ASbGncsmOAv0ffcA9uYDxqC+yirViGMRLriz2r9Q0gyDY6dpuRZdFlqroomcsgDszP6
	bLL/hoWr1+Mfxmazeul2FQmOYqZkNSceyio9/pfo=
X-Google-Smtp-Source:	AGHT+IFwpdYkre+vGZtHqKk/Eqfj+QzkYw+F3/+Hk+K63gt9zEIWpT1Kja24zFi1jRIDwd1u+jHdWCxVo2mqvdVP8pk=
X-Received:	by 2002:a17:907:728e:b0:aa6:a9fe:46e5 with SMTP id
	a640c23a62f3a-ab2abde568emr849183866b.53.1736509474568; Fri, 10 Jan 2025
	03:44:34 -0800 (PST)
MIME-Version:	1.0
References:	<CAKAoaQnkqcZZiOUMfVctAxT_yKbmKqOizZpXfwXd3BWDc6ga-A AT mail DOT gmail DOT com>
	<CAKAoaQm0uCqPUw3HB-OxNNqSc1vS50buOTmQJBk9NdMap+g-qA AT mail DOT gmail DOT com>
In-Reply-To:	<CAKAoaQm0uCqPUw3HB-OxNNqSc1vS50buOTmQJBk9NdMap+g-qA@mail.gmail.com>
Date:	Fri, 10 Jan 2025 12:43:57 +0100
X-Gm-Features:	AbW1kvbwJSgLpFKtBmb9-LJsMqA_H13BovNO6qRLJcU8vGBsGtxLyZ6vs0DzyHA
Message-ID:	<CAHnbEGJntMOXm0g4gx_pvDMCf=9RD=-v78ZX5=O=bk-QSF_PKg@mail.gmail.com>
Subject:	Re: Using forwarded filesystems with Windows Remote Client (e.g.
	accessing //TSCLIENT/L via mstsc.exe) ?
To:	cygwin AT cygwin DOT com
X-BeenThere:	cygwin AT cygwin DOT com
X-Mailman-Version:	2.1.30
List-Id:	General Cygwin discussions and problem reports <cygwin.cygwin.com>
List-Archive:	<https://cygwin.com/pipermail/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-request AT cygwin DOT com?subject=help>
List-Subscribe:	<https://cygwin.com/mailman/listinfo/cygwin>,
	<mailto:cygwin-request AT cygwin DOT com?subject=subscribe>
From:	Sebastian Feld via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Sebastian Feld <sebastian DOT n DOT feld AT gmail DOT com>
Sender:	"Cygwin" <cygwin-bounces~archive-cygwin=delorie DOT com AT cygwin DOT com>
X-MIME-Autoconverted:	from base64 to 8bit by delorie.com id 50ABjk6M1489312

On Thu, Jan 9, 2025 at 4:19 PM Roland Mainz via Cygwin
<cygwin AT cygwin DOT com> wrote:
>
> On Wed, Jan 8, 2025 at 5:33 PM Roland Mainz <roland DOT mainz AT nrubsig DOT org> wrote:
> >
> > Hi!
> >
> > ----
> >
> > Does Cygwin 3.6 support filesystems which have been forwarded by the
> > Windows Remote Client (mstsc.exe) ?
> >
> > I tried to access such a forwarded dir, but $ ls -l # returned this:
> > ---- snip ----
> > $ bash -c 'cd //TSCLIENT/L && ls -l'
> > ls: cannot read symbolic link 'newtestmachine_dir2': Invalid argument
> > ls: cannot read symbolic link 'winserver2019_admindir2': Invalid argument
> > total 665207504417527
> > ?--xr--r-x     0 Unix_User+2       Unix_Group+1252
> > 8589934592 Jan  1  1970  builds
> > ?--xr--r-x 65535 Unix_User+0       Unix_Group+6539296
> > 8589934592 Jan  1  1970  download
> > ?--xr--r-x 65535 Unix_User+0       Unix_Group+6539296
> > 8589934592 Jan  1  1970  gitbundles
> > ?--xr--r-x 65535 Unix_User+0       Unix_Group+6539296
> > 8589934592 Jan  1  1970  newtestmachine1
> > l-----xr-x    13 Unix_User+6539088 Unix_Group+6539672
> > 4294967295 Jan  1  1970  newtestmachine_dir2
> > ?-ws-wS--t 65535 Unix_User+0       Unix_Group+6539296
> > 4294967296000 Jan  1  1970  newtestmachine_dir3
> > ?--xr--r-x 65535 Unix_User+0       Unix_Group+6539296
> > 8589934592 Jan  1  1970  rde
> > ?--xr--r-x 65535 Unix_User+0       Unix_Group+6539296
> > 8589934592 Jan  1  1970  rde.zip
> > ?-ws-wS--t 65535 Unix_User+0       Unix_Group+6539296
> > 4294967296000 Mar 17  1970  te_install
> > l-----x-wx    11 Unix_User+6539088 Unix_Group+6539672
> > 4294967295 Jan  1  1970  winserver2019_admindir2
> > ---- snip ----
> >
> > Any idea what is going wrong in this case ?
>
> Short update:
> On the machine which got the forwarded filesystems I get this:
> ---- snip ----
> $ nfs_ea '\??\UNC\TSCLIENT\T\test1' getnfs3attr
> Querying extended attribute 'NfsV3Attributes' on file
> '\??\UNC\TSCLIENT\T\test1':
> ZwQueryEaFile('"') failed with 0xc0000002
> ---- snip ----
>
> 0xC0000002 == STATUS_NOT_IMPLEMENTED
>
> The Windows NFSv3 and NFSv4.1/NFSv.2 drivers implement support for

Which Windows NFSv4.2 client? Windows clients I've seen so far are
NFSv4.0 or NFSv4.1, but none does NFSV4.2

Sebi
-- 
Sebastian Feld - IT security consultant

-- 
Problem reports:      https://cygwin.com/problems.html
FAQ:                  https://cygwin.com/faq/
Documentation:        https://cygwin.com/docs.html
Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple

- Raw text -