From: cpebenito@tresys.com (Christopher J. PeBenito)
Date: Tue, 22 Feb 2011 10:53:17 -0500
Subject: [refpolicy] [PATCH 1/34]: patch to allow readahead read init_t
 fifo	files
In-Reply-To: <1297836035.3205.30.camel@tesla.lan>
References: <1297836035.3205.30.camel@tesla.lan>
Message-ID: <4D63DBED.5030100@tresys.com>
To: refpolicy@oss.tresys.com
List-Id: refpolicy.oss.tresys.com

On 02/16/11 01:00, Guido Trentalancia wrote:
> This patch adds a new interface init_read_fifo_file() and
> uses it so that readahead can read init_t fifo files.

This doesn't make sense to me.  Its not run out of init; it shouldn't be
inheriting unnamed pipes from init.  It also makes me question the
existing init_use_fds(readahead_t) rule in the policy.

> diff -pruN -x booleans.conf -x corenetwork.if -x corenetwork.te -x modules.conf refpolicy-git-02022011/policy/modules/admin/readahead.te refpolicy-git-02022011-new/policy/modules/admin/readahead.te
> --- refpolicy-git-02022011/policy/modules/admin/readahead.te	2011-01-08 19:07:21.165729194 +0100
> +++ refpolicy-git-02022011-new/policy/modules/admin/readahead.te	2011-01-26 01:40:07.208360132 +0100
> @@ -79,6 +79,7 @@ term_dontaudit_use_console(readahead_t)
>  
>  auth_dontaudit_read_shadow(readahead_t)
>  
> +init_read_fifo_file(readahead_t)
>  init_use_fds(readahead_t)
>  init_use_script_ptys(readahead_t)
>  init_getattr_initctl(readahead_t)
> diff -pruN -x booleans.conf -x corenetwork.if -x corenetwork.te -x modules.conf refpolicy-git-02022011/policy/modules/system/init.if refpolicy-git-02022011-new/policy/modules/system/init.if
> --- refpolicy-git-02022011/policy/modules/system/init.if	2011-02-06 23:07:41.774207748 +0100
> +++ refpolicy-git-02022011-new/policy/modules/system/init.if	2011-01-26 01:40:07.026309900 +0100
> @@ -947,6 +947,24 @@ interface(`init_read_state',`
>  
>  ########################################
>  ## <summary>
> +##      Read init fifo file.
> +## </summary>
> +## <param name="domain">
> +##      <summary>
> +##      Domain allowed access.
> +##      </summary>
> +## </param>
> +#
> +interface(`init_read_fifo_file',`
> +		gen_require(`
> +		type init_t;
> +	')
> +
> +	allow $1 init_t:fifo_file read_fifo_file_perms;
> +')
> +
> +########################################
> +## <summary>
>  ##	Ptrace init
>  ## </summary>
>  ## <param name="domain">
> 
> 
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-- 
Chris PeBenito
Tresys Technology, LLC
www.tresys.com | oss.tresys.com