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From: "Richard W.M. Jones" <rjones@redhat.com>
To: Stefano Brivio <sbrivio@redhat.com>
Cc: passt-dev@passt.top, David Gibson <david@gibson.dropbear.id.au>,
	Minxi Hou <mhou@redhat.com>
Subject: Re: [PATCH 1/8] conf: Don't lecture user about starting us as root
Date: Thu, 23 May 2024 10:52:22 +0100	[thread overview]
Message-ID: <20240523095222.GR4345@redhat.com> (raw)
In-Reply-To: <20240522205911.261325-2-sbrivio@redhat.com>

On Wed, May 22, 2024 at 10:59:04PM +0200, Stefano Brivio wrote:
> libguestfs tools have a good reason to run as root: if the guest image
> is owned by root, it would be counterproductive to encourage users to
> invoke them as non-root, as it would require changing permissions or
> ownership of the image file.
> 
> And if they run as root, we'll start as root, too. Warn users we'll
> switch to 'nobody', but don't tell them what to do.
> 
> Reported-by: Richard W.M. Jones <rjones@redhat.com>
> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
> ---
>  conf.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/conf.c b/conf.c
> index 21d46fe..2e0d909 100644
> --- a/conf.c
> +++ b/conf.c
> @@ -1093,7 +1093,7 @@ static void conf_ugid(char *runas, uid_t *uid, gid_t *gid)
>  		return;
>  
>  	/* ...otherwise use nobody:nobody */
> -	warn("Don't run as root. Changing to nobody...");
> +	warn("Started as root. Changing to nobody...");
>  	{
>  #ifndef GLIBC_NO_STATIC_NSS
>  		const struct passwd *pw;

Makes sense:

Reviewed-by: Richard W.M. Jones <rjones@redhat.com>

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
nbdkit - Flexible, fast NBD server with plugins
https://gitlab.com/nbdkit/nbdkit



  parent reply	other threads:[~2024-05-23  9:52 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-22 20:59 [PATCH 0/8] Open socket and PID files as root, before switching Stefano Brivio
2024-05-22 20:59 ` [PATCH 1/8] conf: Don't lecture user about starting us as root Stefano Brivio
2024-05-23  1:45   ` David Gibson
2024-05-23  9:52   ` Richard W.M. Jones [this message]
2024-05-22 20:59 ` [PATCH 2/8] tap: Move all-ones initialisation of mac_guest to tap_sock_init() Stefano Brivio
2024-05-23  1:46   ` David Gibson
2024-05-23  9:59   ` Richard W.M. Jones
2024-05-23 10:03     ` Richard W.M. Jones
2024-05-22 20:59 ` [PATCH 3/8] passt, tap: Don't use -1 as uninitialised value for fd_tap_listen Stefano Brivio
2024-05-23  1:48   ` David Gibson
2024-05-22 20:59 ` [PATCH 4/8] tap: Split tap_sock_unix_init() into opening and listening parts Stefano Brivio
2024-05-23 10:05   ` Richard W.M. Jones
2024-05-28  7:01   ` David Gibson
2024-05-22 20:59 ` [PATCH 5/8] util: Rename write_pidfile() to pidfile_write() Stefano Brivio
2024-05-23 10:06   ` Richard W.M. Jones
2024-05-22 20:59 ` [PATCH 6/8] passt, util: Move opening of PID file to its own function Stefano Brivio
2024-05-23 10:06   ` Richard W.M. Jones
2024-05-28  7:04   ` David Gibson
2024-05-22 20:59 ` [PATCH 7/8] conf, passt, tap: Open socket and PID files before switching UID/GID Stefano Brivio
2024-05-23 10:10   ` Richard W.M. Jones
2024-05-29  2:35   ` David Gibson
2024-06-20 11:30     ` Richard W.M. Jones
2024-06-20 12:12       ` Stefano Brivio
2024-06-20 12:47         ` Richard W.M. Jones
2024-06-20 14:22           ` Stefano Brivio
2024-06-21  1:02             ` David Gibson
2024-05-22 20:59 ` [PATCH 8/8] conf, passt.h: Rename pid_file in struct ctx to pidfile Stefano Brivio
2024-05-23 10:11   ` Richard W.M. Jones
2024-05-28  7:07   ` David Gibson

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