From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <yuanhan.liu@linux.intel.com>
Received: from mga02.intel.com (mga02.intel.com [134.134.136.20])
 by dpdk.org (Postfix) with ESMTP id 78063568A
 for <dev@dpdk.org>; Mon,  9 Nov 2015 04:51:05 +0100 (CET)
Received: from fmsmga001.fm.intel.com ([10.253.24.23])
 by orsmga101.jf.intel.com with ESMTP; 08 Nov 2015 19:51:05 -0800
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.20,264,1444719600"; d="scan'208";a="831239688"
Received: from yliu-dev.sh.intel.com (HELO yliu-dev) ([10.239.66.49])
 by fmsmga001.fm.intel.com with ESMTP; 08 Nov 2015 19:51:02 -0800
Date: Mon, 9 Nov 2015 11:54:34 +0800
From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: Jianfeng Tan <jianfeng.tan@intel.com>
Message-ID: <20151109035434.GG2326@yliu-dev.sh.intel.com>
References: <1446748276-132087-1-git-send-email-jianfeng.tan@intel.com>
 <1446748276-132087-6-git-send-email-jianfeng.tan@intel.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1446748276-132087-6-git-send-email-jianfeng.tan@intel.com>
User-Agent: Mutt/1.5.21 (2010-09-15)
Cc: nakajima.yoshihiro@lab.ntt.co.jp, zhbzg@huawei.com, mst@redhat.com,
 dev@dpdk.org, oscar.zhangbo@huawei.com, gaoxiaoqiu@huawei.com,
 ann.zhuangyanying@huawei.com, zhoujingbin@huawei.com, guohongzhen@huawei.com
Subject: Re: [dpdk-dev] [RFC 5/5] vhost/container: change mode of vhost
 listening socket
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Mon, 09 Nov 2015 03:51:05 -0000

On Fri, Nov 06, 2015 at 02:31:16AM +0800, Jianfeng Tan wrote:
> Change vhost listening socket mode so that users in groups and
> others can connect to vhost listening socket.
> 
> Signed-off-by: Huawei Xie <huawei.xie@intel.com>
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> ---
>  lib/librte_vhost/vhost_user/vhost-net-user.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/lib/librte_vhost/vhost_user/vhost-net-user.c b/lib/librte_vhost/vhost_user/vhost-net-user.c
> index 2dc0547..7b24f7c 100644
> --- a/lib/librte_vhost/vhost_user/vhost-net-user.c
> +++ b/lib/librte_vhost/vhost_user/vhost-net-user.c
> @@ -42,6 +42,7 @@
>  #include <sys/un.h>
>  #include <errno.h>
>  #include <pthread.h>
> +#include <sys/stat.h>
>  
>  #include <rte_log.h>
>  #include <rte_virtio_net.h>
> @@ -137,6 +138,10 @@ uds_socket(const char *path)
>  	if (ret == -1)
>  		goto err;
>  
> +	ret = chmod(un.sun_path, 0666);
> +	if (ret == 0)
> +		RTE_LOG(INFO, VHOST_CONFIG, "chmod 0666, ok\n");

That doesn't seem right to me. Doing that kind of change in a libraray
doesn't seem to be a good practice, don't even to say changing it to
"0666" blindly, which allows every body to access it.

	--yliu

> +
>  	return sockfd;
>  
>  err:
> -- 
> 2.1.4