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From: "J. Bruce Fields" <bfields@fieldses.org>
To: "Andreas Grünbacher" <andreas.gruenbacher@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
	Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
	Linux API Mailing List <linux-api@vger.kernel.org>,
	linux-cifs@vger.kernel.org,
	LSM List <linux-security-module@vger.kernel.org>,
	Andreas Gruenbacher <agruenba@redhat.com>
Subject: Re: [RFC v6 10/40] richacl: Permission check algorithm
Date: Mon, 31 Aug 2015 11:23:04 -0400	[thread overview]
Message-ID: <20150831152304.GE17812@fieldses.org> (raw)
In-Reply-To: <CAHpGcMJT0kQyrvCkur0csCmRn-LwUOJcRWqAfLaqCpNd2b8UXA@mail.gmail.com>

On Sat, Aug 29, 2015 at 12:06:22AM +0200, Andreas Grünbacher wrote:
> 2015-08-28 23:49 GMT+02:00 J. Bruce Fields <bfields@fieldses.org>:
> > On Tue, Aug 04, 2015 at 01:53:08PM +0200, Andreas Gruenbacher wrote:
> >> +             /*
> >> +              * We don't care which class the process is in when the acl is
> >> +              * not masked.
> >> +              */
> >> +             in_owner_or_group_class = 1;
> >
> > So why bother setting it at all, then?  Oh, I see, it lets you break out
> > of the loop below earlier.  OK.
> 
> Comment changed to:
> 
>                 /*
>                  * When the acl is not masked, there is no need to determine if
>                  * the process is in the group class and we can earlier break
>                  * out of the loop below.
>                  */

makes sense, just replace "earlier break out" by "break out earlier".

> 
> > Patch makes sense to me, ACK.
> 
> Thanks,
> Andreas

  reply	other threads:[~2015-08-31 15:23 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-04 11:52 [RFC v6 00/40] Richacls Andreas Gruenbacher
2015-08-04 11:52 ` [RFC v6 01/40] vfs: Add IS_ACL() and IS_RICHACL() tests Andreas Gruenbacher
2015-08-28 20:34   ` J. Bruce Fields
2015-08-04 11:53 ` [RFC v6 02/40] vfs: Add MAY_CREATE_FILE and MAY_CREATE_DIR permission flags Andreas Gruenbacher
2015-09-02 18:53   ` J. Bruce Fields
2015-09-02 19:06     ` Andreas Gruenbacher
2015-09-02 19:20       ` J. Bruce Fields
2015-09-02 20:23         ` Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 03/40] vfs: Add MAY_DELETE_SELF and MAY_DELETE_CHILD " Andreas Gruenbacher
2015-08-28 20:44   ` J. Bruce Fields
2015-08-28 21:08     ` Andreas Gruenbacher
2015-08-28 21:36   ` Andy Lutomirski
2015-08-28 21:54     ` Andreas Grünbacher
2015-08-29  1:04       ` Andy Lutomirski
2015-08-28 21:57     ` J. Bruce Fields
2015-08-04 11:53 ` [RFC v6 04/40] vfs: Make the inode passed to inode_change_ok non-const Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 05/40] vfs: Add permission flags for setting file attributes Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 06/40] richacl: In-memory representation and helper functions Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 07/40] richacl: Permission mapping functions Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 08/40] richacl: Compute maximum file masks from an acl Andreas Gruenbacher
2015-09-02 19:54   ` J. Bruce Fields
2015-09-02 19:54     ` J. Bruce Fields
2015-09-02 20:38     ` Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 09/40] richacl: Update the file masks in chmod() Andreas Gruenbacher
2015-09-01 21:38   ` J. Bruce Fields
2015-09-02  6:08     ` Andreas Grünbacher
2015-08-04 11:53 ` [RFC v6 10/40] richacl: Permission check algorithm Andreas Gruenbacher
2015-08-28 21:49   ` J. Bruce Fields
2015-08-28 22:06     ` Andreas Grünbacher
2015-08-31 15:23       ` J. Bruce Fields [this message]
2015-08-04 11:53 ` [RFC v6 11/40] vfs: Cache base_acl objects in inodes Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 12/40] vfs: Cache richacl in struct inode Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 13/40] richacl: Check if an acl is equivalent to a file mode Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 14/40] richacl: Create-time inheritance Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 15/40] richacl: Automatic Inheritance Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 16/40] richacl: xattr mapping functions Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 17/40] vfs: Add richacl permission checking Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 18/40] ext4: Add richacl support Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 19/40] ext4: Add richacl feature flag Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 20/40] richacl: acl editing helper functions Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 21/40] richacl: Move everyone@ aces down the acl Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 22/40] richacl: Propagate everyone@ permissions to other aces Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 23/40] richacl: Set the owner permissions to the owner mask Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 24/40] richacl: Set the other permissions to the other mask Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 25/40] richacl: Isolate the owner and group classes Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 26/40] richacl: Apply the file masks to a richacl Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 27/40] richacl: Create richacl from mode values Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 28/40] nfsd: Keep list of acls to dispose of in compoundargs Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 29/40] nfsd: Use richacls as internal acl representation Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 30/40] nfsd: Add richacl support Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 31/40] nfsd: Add support for the v4.1 dacl attribute Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 32/40] nfsd: Add support for the MAY_CREATE_{FILE,DIR} permissions Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 33/40] richacl: Add support for unmapped identifiers Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 34/40] ext4: Don't allow unmapped identifiers in richacls Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 35/40] sunrpc: Allow to demand-allocate pages to encode into Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 36/40] sunrpc: Add xdr_init_encode_pages Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 37/40] nfs: Fix GETATTR bitmap verification Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 38/40] nfs: Remove unused xdr page offsets in getacl/setacl arguments Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 39/40] nfs: Add richacl support Andreas Gruenbacher
2015-08-04 11:53 ` [RFC v6 40/40] nfs: Add support for the v4.1 dacl attribute Andreas Gruenbacher

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