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Old 07-26-2011, 12:58 PM
Robert Marcano
 
Default NFSv4 / POSIX ACL mapping bug?

Hi,

I need some help clarifying this issue in order to know if this is a bug
or limits of the NFSv4 / POSIX ACL mapping before reporting it

Creating a directory on the server with the following POSIX ACLs, rwx
for the group "sharedgroup" and same defaults:

################################################## ##########
# file: directory
# owner: root
# group: root
user::rwx
group::r-x
group:sharedgroup:rwx
mask::rwx
other::---
default:user::rwx
default:group::r-x
default:group:sharedgroup:rwx
default:mask::rwx
defaultther::---
################################################## ##########

Creating files with the same user with umask 022 on the server an on the
NFS client, the files do not get the same POSIX ACL mask:

################################################## ##########
# file: client
# owner: test
# group: testgroup
user::rw-
group::r-x #effective:r--
group:sharedgroup:rwx #effective:r--
mask::r--
other::r--

# file: server
# owner: test
# group: testgroup
user::rw-
group::r-x #effective:r--
group:sharedgroup:rwx #effective:rw-
mask::rw-
other::r--
################################################## ##########

Is this normal or a bug?, My interpretation is that even that the
mapping of the ACLs is not 100% perfect this simple example should not
be a problem. Is it impossible using NFS to create a shared directory
for a group of users?
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