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Subject:	RE: Plus sign '+' in file permissions
Date:	Wed, 19 Nov 2003 13:00:47 -0600
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From:	"DePriest, Jason R." <jrdepriest AT ftb DOT com>
To:	<cygwin AT cygwin DOT com>
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> -----Original Message-----
> From: cygwin-owner AT cygwin DOT com 
> [mailto:cygwin-owner AT cygwin DOT com] On Behalf Of Derek Mahar
> Sent: Tuesday, November 18, 2003 10:07 AM
> To: cygwin AT cygwin DOT com
> Subject: Plus sign '+' in file permissions
> 
> 
> To what does the plus sign '+' refer at the end of the list of file
> permissions in a Cygwin directory listing (for example, -rw-rw-rw-+)?
> I'm unfamiliar with this permission since I've never seen it in either
> Solaris or Linux directory listings.  Using bash or Windows Explorer,
> how do I enable or disable this file permission?
> 
> Once or twice, after having changed NTFS file permissions, 
> I've seen the
> plus sign '+' disappear, but I don't know exactly how I did it, what
> permission(s) I changed, or how to repeat the process.
> 
> Thanks,
> 
> Derek
> 
> -------------------------------------
> Derek Mahar
> Software Developer
> Penson Financial Services Canada
> 360 St-Jacques St West, 12th Floor
> Montreal QC  H2Y 1P5
> 514.841.9665 x212 Phone
> 514.841.9700 Fax
> -------------------------------------
> 

I'm guessing the '+' is used whenever there are permissions that do not
comply directly with the rwx(user,group,world) schema.

Behold:
depriest AT quagmire /bin
$ ls -l ls.exe
-rwxrwxrwx    1 admins   mkgroup     71680 Jul 13 10:23 ls.exe*
is the same as
C:\cygwin\bin>xcacls ls.exe
C:\cygwin\bin\ls.exe Everyone:F

However, a newly downloaded and chmod'd to 777 .exe file looks like
this:
depriest AT quagmire /bin
$ ls -l connect.exe
-rwxrwxrwx+   1 admins   mkgroup     69632 Nov 19 12:52 connect.exe*
which equals the extremely ugly NTFS permission-set below
C:\cygwin\bin>xcacls connect.exe
C:\cygwin\bin\connect.exe BUILTIN\Administrators:(special access:)
                                                 STANDARD_RIGHTS_ALL
                                                 DELETE
                                                 READ_CONTROL
                                                 WRITE_DAC
                                                 WRITE_OWNER
                                                 SYNCHRONIZE
 
STANDARD_RIGHTS_REQUIRED
                                                 FILE_GENERIC_READ
                                                 FILE_GENERIC_WRITE
                                                 FILE_GENERIC_EXECUTE
                                                 FILE_READ_DATA
                                                 FILE_WRITE_DATA
                                                 FILE_APPEND_DATA
                                                 FILE_READ_EA
                                                 FILE_WRITE_EA
                                                 FILE_EXECUTE
                                                 FILE_READ_ATTRIBUTES
                                                 FILE_WRITE_ATTRIBUTES

                          DOMAIN\Domain Users:(special access:)
                                             READ_CONTROL
                                             SYNCHRONIZE
                                             FILE_GENERIC_READ
                                             FILE_GENERIC_WRITE
                                             FILE_GENERIC_EXECUTE
                                             FILE_READ_DATA
                                             FILE_WRITE_DATA
                                             FILE_APPEND_DATA
                                             FILE_READ_EA
                                             FILE_WRITE_EA
                                             FILE_EXECUTE
                                             FILE_READ_ATTRIBUTES
                                             FILE_WRITE_ATTRIBUTES

                          Everyone:(special access:)
                                   READ_CONTROL
                                   SYNCHRONIZE
                                   FILE_GENERIC_READ
                                   FILE_GENERIC_WRITE
                                   FILE_GENERIC_EXECUTE
                                   FILE_READ_DATA
                                   FILE_WRITE_DATA
                                   FILE_APPEND_DATA
                                   FILE_READ_EA
                                   FILE_WRITE_EA
                                   FILE_EXECUTE
                                   FILE_READ_ATTRIBUTES
                                   FILE_WRITE_ATTRIBUTES

                          DOMAIN\DEPRIESTJ:F
                          NT AUTHORITY\SYSTEM:F

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