Greetings, Corinna Vinschen!
> faccessat/access/eaccess don't try to be intelligent by themselves.
> Rather they just call a Windows function if the filesystem is mounted
> with "acl" mount flags:
> - Fetch file's security descriptor
> - Create process impersonation token.
> - Call NtAccessCheck
Corinna Vinschen writes:
>> Fixed in CVS. The idea to reopen the file by handle is still good.
>> *Iff* there is an open handle to the file to begin with...
>>
>> I'm just creating a snapshot but this may take a few minutes longer
>> than anticipated due to connection problems.
>
> Snapshot is up
On 8/27/2014 10:40 AM, Eric Blake wrote:
On 08/27/2014 07:47 AM, Corinna Vinschen wrote:
Works for vim. Does the Emacs configure test only check for POSIX
ACL functions and not for Solaris ACL functions, by any chance?
I spoke too soon. It does detect that Cygwin has certain ACL functions.
On Aug 27 19:04, Corinna Vinschen wrote:
> On Aug 27 16:28, Achim Gratz wrote:
> > Corinna Vinschen cygwin.com> writes:
> > > > -v, please. What means "obviously" here? Did you ask Netapp?
> >
> > No, I've tried all combinations of parameters to the open calls to
> > absolutely no avail. I the
On Aug 27 16:28, Achim Gratz wrote:
> Corinna Vinschen cygwin.com> writes:
> > > -v, please. What means "obviously" here? Did you ask Netapp?
>
> No, I've tried all combinations of parameters to the open calls to
> absolutely no avail. I then started to look at what the VolumeInformation
> cal
Corinna Vinschen cygwin.com> writes:
> > -v, please. What means "obviously" here? Did you ask Netapp?
No, I've tried all combinations of parameters to the open calls to
absolutely no avail. I then started to look at what the VolumeInformation
call is supposed to be doing and decided that this
On Aug 27 17:15, Corinna Vinschen wrote:
> On Aug 27 15:06, Achim Gratz wrote:
> > Corinna Vinschen cygwin.com> writes:
> > > The call to NtQueryVolumeInformationFile() in
> > > fhandler_disk_file::fstatvfs() in fhandler_disk_file.cc (line 737ff),
> > > fails with STATUS_INVALID_PARAMETER. This i
Ken Brown cornell.edu> writes:
> Achim, could you send me a recipe for reproducing the problem so that I
> can test further? Please be very detailed; I have no experience with ACLs.
Let's get one issue out of the way first that may be a Cygwin bug: on Linux
a file with all access removed via st
On Aug 27 15:06, Achim Gratz wrote:
> Corinna Vinschen cygwin.com> writes:
> > The call to NtQueryVolumeInformationFile() in
> > fhandler_disk_file::fstatvfs() in fhandler_disk_file.cc (line 737ff),
> > fails with STATUS_INVALID_PARAMETER. This is a NetApp bug, but we may
> > be able to workaroun
Corinna Vinschen cygwin.com> writes:
> The call to NtQueryVolumeInformationFile() in
> fhandler_disk_file::fstatvfs() in fhandler_disk_file.cc (line 737ff),
> fails with STATUS_INVALID_PARAMETER. This is a NetApp bug, but we may
> be able to workaround it.
The bug (if there is one) is that the d
On 08/27/2014 07:47 AM, Corinna Vinschen wrote:
>>>
>>> Works for vim. Does the Emacs configure test only check for POSIX
>>> ACL functions and not for Solaris ACL functions, by any chance?
>>
>> I spoke too soon. It does detect that Cygwin has certain ACL functions.
>> But the feature that Achi
On Aug 27 08:52, Ken Brown wrote:
> On 8/27/2014 4:42 AM, Corinna Vinschen wrote:
> >On Aug 26 18:12, Ken Brown wrote:
> >>On 8/26/2014 2:55 PM, Achim Gratz wrote:
> >>>2) Files that have no POSIX permissions (filemode ) and where access
> >>>is granted via ACL only get always opened as "read-o
On 8/27/2014 4:42 AM, Corinna Vinschen wrote:
On Aug 26 18:12, Ken Brown wrote:
On 8/26/2014 2:55 PM, Achim Gratz wrote:
2) Files that have no POSIX permissions (filemode ) and where access
is granted via ACL only get always opened as "read-only" and you have to
C-x C-q them before saving.
On Aug 27 11:50, Corinna Vinschen wrote:
> On Aug 27 08:57, Achim Gratz wrote:
> > Corinna Vinschen cygwin.com> writes:
> > > I fixed that in CVS (and I'm just generating a snapshot). The problem
> > > was that the functions reading and writing security descriptors didn't
> > > use the special "r
Corinna Vinschen cygwin.com> writes:
> It's easier to do this from CVS. It also allows to create diffs
> most easily. Did you build outside the source dir, as required?
No can do CVS here... I just did a "./configure && make", which seemed to
work (it built into x86_64_unknown_cygwin).
> > Now
On Aug 27 09:23, Achim Gratz wrote:
> Corinna Vinschen cygwin.com> writes:
> > > I've just set up for a build and ran into this (with the snapshot sources
> > > from 2014-08-19 since these were the ones I had at hand):
>
> Sorted. I just did a native build from the 2014-08-25 snapshot (which is
On Aug 27 08:57, Achim Gratz wrote:
> Corinna Vinschen cygwin.com> writes:
> > I fixed that in CVS (and I'm just generating a snapshot). The problem
> > was that the functions reading and writing security descriptors didn't
> > use the special "reopen by handle" semantics of the NtOpenFile call i
Corinna Vinschen cygwin.com> writes:
> > I've just set up for a build and ran into this (with the snapshot sources
> > from 2014-08-19 since these were the ones I had at hand):
Sorted. I just did a native build from the 2014-08-25 snapshot (which is
also the installed version). Now what, is it
Corinna Vinschen cygwin.com> writes:
> I fixed that in CVS (and I'm just generating a snapshot). The problem
> was that the functions reading and writing security descriptors didn't
> use the special "reopen by handle" semantics of the NtOpenFile call if
> a reopen was necessary. Rather they jus
On Aug 26 18:12, Ken Brown wrote:
> On 8/26/2014 2:55 PM, Achim Gratz wrote:
> >Ken Brown writes:
> >>It looks like my idea is going to work, but it needs testing to make
> >>sure I've implemented it correctly. If anyone is willing to test it,
> >>you can download emacs-24.3.93-2 from my personal
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