Correct? (Cygwin 2.0)

Houder houder@xs4all.nl
Sat Apr 11 13:25:00 GMT 2015


Hi Corinna,

Reference: https://cygwin.com/ml/cygwin/2015-04/msg00201.html
 - [ANNOUNCEMENT] TEST RELEASE: Cygwin 2.0.0-1

Sorry, Corinna, but I have to ask: will this be the correct behaviour of Cygwin
from now on? ... because I am very much surprised ...

Is there anything I can do (settings directory?) ... to "improve" on what I am
experiencing now?

I create a file (called aap), do not modify its properties (chmod), and then it
turns out that the properties have changed ... Surprise!

Regards,

Henri

 - reinstalled Cygwin, selected Cygwin 2.0
 - using an UNelevated bash shell
 - touch aap
 - chmod -x aap # afterwards the write-bit turns out to be set for group None!
 - chmod -w aap # does not help! (no modification)

%% uname -a
CYGWIN_NT-6.1-WOW Seven 2.0.0(0.287/5/3) 2015-04-10 20:51 i686 Cygwin
%% umask
0022
%% pwd
/home/Henri
%% icacls.sh .
E:/Cygwin-test/home/Henri/
   NULL SID                           (DENY)(Rc,S,REA,X,DC)
   Seven\Henri                        (F)
   Seven\None                         (RX)
   Everyone                           (RX)
   NULL SID                           (OI)(CI)(IO)(DENY)(Rc,S,REA,X,DC)
   CREATOR OWNER                      (OI)(CI)(IO)(F)
   CREATOR GROUP                      (OI)(CI)(IO)(RX)
   Everyone                           (OI)(CI)(IO)(RX)
Successfully processed 1 files; Failed processing 0 files

#
%% touch aap
%% ls -l aap
-rw-r--r-- 1 Henri None 0 Apr 11 14:36 aap
%% icacls.sh aap
E:/Cygwin-test/home/Henri/aap
   NULL SID                           (DENY)(Rc,S,X,DC)
   Seven\Henri                        (R,W,D,WDAC,WO)
   Seven\None                         (DENY)(S,X)
   Seven\None                         (RX)
   Everyone                           (R)
Successfully processed 1 files; Failed processing 0 files
%% ls-facl.sh aap
   Owner: Seven\Henri
   Group: Seven\None
   DACL(protected):
   NULL SID                           FILE_TRAVERSE+FILE_DELETE_CHILD+READ_CONTROL
                                                                         deny      no_inheritance
   Seven\Henri                        write+read+WRITE_OWNER+WRITE_DAC+DELETE
                                                                         allow     no_inheritance
   Seven\None                         FILE_TRAVERSE                      deny      no_inheritance
   Seven\None                         read_execute                       allow     no_inheritance
   Everyone                           read                               allow     no_inheritance
SetACL finished successfully.

#
%% chmod -x aap
%% ls -l aap
-rw-rw-r-- 1 Henri None 0 Apr 11 14:36 aap                              # Huh?
%% icacls.sh aap
E:/Cygwin-test/home/Henri/aap
   NULL SID                           (DENY)(Rc,S,WEA,X,DC)             # extended write attributes?
   Seven\Henri                        (R,W,D,WDAC,WO)
   Seven\None                         (DENY)(S,X)
   Seven\None                         (RX)
   Everyone                           (R)
Successfully processed 1 files; Failed processing 0 files
%% ls-facl.sh aap
E:/Cygwin-test/home/Henri/aap
   Owner: Seven\Henri
   Group: Seven\None
   DACL(protected):
   NULL SID                           FILE_WRITE_EA+FILE_TRAVERSE+FILE_DELETE_CHILD+READ_CONTROL
                                                                         deny      no_inheritance
   Seven\Henri                        write+read+WRITE_OWNER+WRITE_DAC+DELETE
                                                                         allow     no_inheritance
   Seven\None                         FILE_TRAVERSE                      deny      no_inheritance
   Seven\None                         read_execute                       allow     no_inheritance
   Everyone                           read                               allow     no_inheritance
SetACL finished successfully.

#
%% chmod g-w aap
%% icacls.sh aap
E:/Cygwin-test/home/Henri/aap
   NULL SID                           (DENY)(Rc,S,WEA,X,DC)
   Seven\Henri                        (R,W,D,WDAC,WO)
   Seven\None                         (DENY)(S,X)
   Seven\None                         (RX)
   Everyone                           (R)
Successfully processed 1 files; Failed processing 0 files
%% ls-facl.sh aap
E:/Cygwin-test/home/Henri/aap
   Owner: Seven\Henri
   Group: Seven\None
   DACL(protected):
   NULL SID                           FILE_WRITE_EA+FILE_TRAVERSE+FILE_DELETE_CHILD+READ_CONTROL
                                                                         deny      no_inheritance
   Seven\Henri                        write+read+WRITE_OWNER+WRITE_DAC+DELETE
                                                                         allow     no_inheritance
   Seven\None                         FILE_TRAVERSE                      deny      no_inheritance
   Seven\None                         read_execute                       allow     no_inheritance
   Everyone                           read                               allow     no_inheritance
SetACL finished successfully.

=====




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