From: cpebenito@tresys.com (Christopher J. PeBenito)
Date: Thu, 3 Jan 2013 10:08:24 -0500
Subject: [refpolicy] [PATCH 7/8] Introduce rw_inherited_file_perms
	definition
In-Reply-To: <1355737370-27628-8-git-send-email-sven.vermeulen@siphos.be>
References: <1355737370-27628-1-git-send-email-sven.vermeulen@siphos.be>
	<1355737370-27628-8-git-send-email-sven.vermeulen@siphos.be>
Message-ID: <50E59EE8.1000803@tresys.com>
To: refpolicy@oss.tresys.com
List-Id: refpolicy.oss.tresys.com

On 12/17/12 04:42, Sven Vermeulen wrote:
> In many cases throughout the policy, domains require read/write privileges on
> inherited descriptors. In most cases, these are for files, where the domain
> needs the read-write permissions but of course no open privilege.
> 
> Instead of having to hard-code the permissions every time, this patch introduces
> the rw_inherited_file_perms to support simple calls for these inherited
> descriptors.
> 
> Signed-off-by: Sven Vermeulen <sven.vermeulen@siphos.be>
> ---
>  policy/support/obj_perm_sets.spt |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/policy/support/obj_perm_sets.spt b/policy/support/obj_perm_sets.spt
> index 6e91317..48f0c7a 100644
> --- a/policy/support/obj_perm_sets.spt
> +++ b/policy/support/obj_perm_sets.spt
> @@ -158,7 +158,8 @@ define(`mmap_file_perms',`{ getattr open read execute ioctl }')
>  define(`exec_file_perms',`{ getattr open read execute ioctl execute_no_trans }')
>  define(`append_file_perms',`{ getattr open append lock ioctl }')
>  define(`write_file_perms',`{ getattr open write append lock ioctl }')
> -define(`rw_file_perms',`{ getattr open read write append ioctl lock }')
> +define(`rw_inherited_file_perms',`{ getattr read write append ioctl lock }')
> +define(`rw_file_perms',`{ rw_inherited_file_perms open }')
>  define(`create_file_perms',`{ getattr create open }')
>  define(`rename_file_perms',`{ getattr rename }')
>  define(`delete_file_perms',`{ getattr unlink }')> 

Since the tide seems to be going against me on these inherited permissions, I can accept it, but the change needs to be done for all of the relevant file classes.

-- 
Chris PeBenito
Tresys Technology, LLC
www.tresys.com | oss.tresys.com