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Date:	Fri, 21 Feb 2025 11:28:40 +0100
To:	cygwin AT cygwin DOT com
Subject:	Re: UNC path for WebDAV with cd '\\webdavsrv AT SSL\path' or cd
	'\\webdavsrv AT 23456\path' will not work
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From:	Corinna Vinschen via Cygwin <cygwin AT cygwin DOT com>
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On Feb 20 23:36, Martin Wege via Cygwin wrote:
> On Thu, Feb 20, 2025 at 9:37 PM Corinna Vinschen via Cygwin
> > And here's the problem.  It works fine for me on all shares, be it SMB,
> > Samba, or NFS:
> >
> > https://cygwin.com/pipermail/cygwin/2025-February/257438.html
> >
> > > Maybe the hostname resolution in fhandler_netdrive::exists() failed?
> >
> > If so, it would be a problem on your side.
> > Does `nslookup ember.data4.local' return a valid address?
> >
> > I just pushed a patch to print a debug statement in strace output
> > to see what error code GetAddrInfoW returned.
> 
> The code in https://cygwin.com/git/?p=newlib-cygwin.git;a=commitdiff;h=df307349a09e6f1ba75c78b1427dcea40f435e6e;hp=8a8fb570d7c5310a03a34b3dd6f9f8bb35ee9f40
> is not going to work, because you only give ret as argument, but not
> "name+2" as hostname.

Yeah, it was obviously too late yesterday.  The patch was wrong twice.

I pushed a patch for the patch which should show up in the just
building cygwin-3.6.0-0.381.g8cc55d819bb7 test release.

> And speaking of the "hostname", is this the \\hostname\path of an UNC?
> In that case this will not work with WebDAV/SSL or WebDAV with custom
> port, which might be \\webdavserver AT SSL\path or
> \\webdavserver AT 23456\path, or \\webdavserver AT SSL@23456\path
> You need to replace the L'@' with L'\0' before calling GetAddrInfoW(),
> or it is not going to work with WebDAV

I never saw that before.  Is that syntax really usable?

I just spent half an hour trying to connect to a nextcloud instance
using this syntax, but to no avail.  https://... works.

I have a local patch removing this at-sign, but I would first like
to hear if this is really usable and used.


Corinna

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