Re: incompat in cygwin choice of using '+' as domain and user separator.

[Corinna Vinschen <corinna-cygwin@cygwin.com>]

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On Aug 22 22:54, cyg Simple wrote:
> On 8/22/2018 6:36 PM, L A Walsh wrote:
> > Ran in to this trying to use tar to store acls and xattrs:
> > 
> >>  tar caf lawbins.tar scripts scripts- bin 
> > tar: miner.js: Warning: Cannot acl_to_text: Invalid argument
> > tar: run-crons.sys: Warning: Cannot acl_to_text: Invalid argument
> > tar: smallprof.out: Warning: Cannot acl_to_text: Invalid argument
> > tar: tmon.out: Warning: Cannot acl_to_text: Invalid argument
> > tar: ubytes_to_utf8.new: Warning: Cannot acl_to_text: Invalid argument
> > 
> > examining one of these:
> > 
> >>  find bin -name tmon.out       
> > bin/tmon.out
> > 
> >>  lsacl bin/tmon.out
> > [u::rwx,g::rwx,o:r-x,u:Unknown+User:rwx,g:Unknown+Group:rwx,g:Administrators:rwx,g:Bliss\Domain
> > Admins:rwx,m:rwx/] bin/tmon.out
> > 
> > I tried tar in an existing dir:
> > 
> >>  mkdir test
> >>  tar caf test.tar test
> >>  ll test
> > total 0
> >>  cd test
> >>  tar xaf ../test.tar
> >>  ll
> > total 0
> > drwxrwxr-x+ 1 0 Aug 22 15:26 test/
> >>  lsacl test
> > [u::rwx,g::rwx,g:Bliss\lawgroup:rwx,g:Bliss\Domain
> > Admins:rwx,m:rwx,o:r-x/
> > u::rwx,g::rwx,g:Bliss\lawgroup:rwx,g:Bliss\Domain
> > Admins:rwx,m:rwx,o:r-x] test
> > 
> > With the above and only standard separator chars, no problem
> > 
> > I'm guessing, but '+' is a reserved char that's not permitted in
> > acl_to_text...
> 
> You're misinterpreting the '+'.  It was used in place of ' ' (a space)
> in "Unknown User" and "Unknown Group".  Now why isn't "Domain Admins"
> also "Domain+Admins" is a question of pondering.

No, you are misinterpreting the '+'.  It's in fact the domain+account
separator character in Cygwin, just as it was in Interix.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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