[Bugs] [Bug 1185654] Improved support for POSIX ACLs

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1185654



--- Comment #7 from Anand Avati <aavati at redhat.com> ---
COMMIT: http://review.gluster.org/9627 committed in master by Raghavendra Bhat
(raghavendra at redhat.com) 
------
commit 72dc1025dc17a650f3838223c78e3205132deba9
Author: Niels de Vos <ndevos at redhat.com>
Date:   Tue Feb 10 19:13:35 2015 +0100

    posix: add ACL translation for the GF_POSIX_ACL_*_KEY xattr

    Adding support for two virtual extended attributes that are used for
    converting a binary POSIX ACL to a POSIX.1e long ACL text format. This
    makes it possible to transfer the ACL over the network to a different OS
    which can convert the POSIX.1e text format to its native structures.

    The following xattrs are sent over RPC in SETXATTR/GETXATTR procedures,
    and contain the POSIX.1e long ACL text format:

    - glusterfs.posix.acl: maps to ACL_TYPE_ACCESS
    - glusterfs.posix.default_acl: maps to ACL_TYPE_DEFAULT

    acl_from_text() (from libacl) converts the text format into an acl_t
    structure. This structure is then used by acl_set_file() to set the ACL
    in the filesystem.

    libacl-devel is needed for linking against libacl, so it has been added
    to the BuildRequires in the .spec.

    NetBSD does not support POSIX ACLs. Trying to get/set POSIX ACLs on a
    storage server running NetBSD, an error will be returned with errno set
    to ENOTSUP. Faking support, but not enforcing ACLs seems wrong to me.

    URL:
http://www.gluster.org/community/documentation/index.php/Features/Improved_POSIX_ACLs
    BUG: 1185654
    Change-Id: Ic5eb73d69190d3492df2f711d0436775eeea7de3
    Signed-off-by: Niels de Vos <ndevos at redhat.com>
    Reviewed-on: http://review.gluster.org/9627
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: soumya k <skoduri at redhat.com>
    Reviewed-by: Raghavendra Bhat <raghavendra at redhat.com>

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