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From: Chris PeBenito <pebenito@ieee.org>
To: "Sugar, David" <dsugar@tresys.com>,
	"selinux-refpolicy@vger.kernel.org" 
	<selinux-refpolicy@vger.kernel.org>
Subject: Re: [PATCH 1/2] Add interface to read efivarfs_t directory
Date: Thu, 26 Dec 2019 12:00:56 -0500
Message-ID: <fe3a48c2-0042-291b-7a37-2efeb6003955@ieee.org> (raw)
In-Reply-To: <20191217233412.585669-1-dsugar@tresys.com>

On 12/17/19 6:34 PM, Sugar, David wrote:
> I'm seeing the following denial when using 'efivars --list'.  This
> interface grants access
> 2019-12-17T15:22:06-05:00 ip-tsc-black tag_audit_log: type=AVC msg=audit(1576596109.149:95): avc:  denied  { read } for  pid=2329 comm="efivar" name="/" dev="efivarfs" ino=11266 scontext=system_u:system_r:my_app_t:s0 tcontext=system_u:object_r:efivarfs_t:s0 tclass=dir permissive=1
> 
> Signed-off-by: Dave Sugar <dsugar@tresys.com>
> ---
>   policy/modules/kernel/filesystem.if | 18 ++++++++++++++++++
>   1 file changed, 18 insertions(+)
> 
> diff --git a/policy/modules/kernel/filesystem.if b/policy/modules/kernel/filesystem.if
> index 62911f12..98f3af5d 100644
> --- a/policy/modules/kernel/filesystem.if
> +++ b/policy/modules/kernel/filesystem.if
> @@ -1982,6 +1982,24 @@ interface(`fs_manage_dos_files',`
>   	manage_files_pattern($1, dosfs_t, dosfs_t)
>   ')
>   
> +########################################
> +## <summary>
> +##	List dirs in efivarfs filesystem.
> +## </summary>
> +## <param name="domain">
> +##	<summary>
> +##	Domain allowed access.
> +##	</summary>
> +## </param>
> +#
> +interface(`fs_list_efivars',`
> +	gen_require(`
> +		type efivarfs_t;
> +	')
> +
> +	list_dirs_pattern($1, efivarfs_t, efivarfs_t)
> +')
> +
>   #######################################
>   ## <summary>
>   ##      Read files in efivarfs

Merged.

-- 
Chris PeBenito

      parent reply index

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-17 23:34 Sugar, David
2019-12-17 23:34 ` [PATCH 2/2] Fix indent to match the rest of the file (space -> tab) Sugar, David
2019-12-26 17:00   ` Chris PeBenito
2019-12-26 17:00 ` Chris PeBenito [this message]

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