Re: [PATCH 1/3] trans/mtab: use setnullauth to drop privileges

[Samuel Thibault]

Justus Winter, le Sun 31 Aug 2014 16:24:59 +0200, a écrit :
> * trans/mtab.c (main): Use setnullauth to drop privileges.

Ack.

> ---
>  trans/mtab.c | 15 ++-------------
>  1 file changed, 2 insertions(+), 13 deletions(-)
> 
> diff --git a/trans/mtab.c b/trans/mtab.c
> index df03b1d..5207c1e 100644
> --- a/trans/mtab.c
> +++ b/trans/mtab.c
> @@ -27,6 +27,7 @@
>  #include <hurd/trivfs.h>
>  #include <inttypes.h>
>  #include <mntent.h>
> +#include <nullauth.h>
>  #include <pthread.h>
>  #include <stdlib.h>
>  #include <stdio.h>
> @@ -221,19 +222,7 @@ main (int argc, char *argv[])
>    if (bootstrap != MACH_PORT_NULL)
>      {
>        /* Started as a translator.  */
> -
> -      auth_t nullauth;
> -      err = auth_makeauth (getauth (),
> -                        NULL, MACH_MSG_TYPE_COPY_SEND, 0,
> -                        NULL, 0,
> -                        NULL, 0,
> -                        NULL, 0,
> -                        NULL, 0,
> -                        &nullauth);
> -      if (err)
> -        error (3, err, "dropping credentials");
> -
> -      err = setauth (nullauth);
> +      err = setnullauth ();
>        if (err)
>          error (3, err, "dropping credentials");
>  
> -- 
> 2.1.0
> 

-- 
Samuel
Tu as lu les docs. Tu es devenu un informaticien. Que tu le veuilles
ou non. Lire la doc, c'est le Premier et Unique Commandement de
l'informaticien.
-+- TP in: Guide du Linuxien pervers - "L'évangile selon St Thomas"