Bug#698102: initgroups changes egid on kfreebsd

[Michael Tsang <miklcct@gmail.com>]

On Monday 04 February 2013 17:48:31 Petr Salinger wrote:
> Hi Michael,
> 
> please would you mind to try patch bellow ?
> 
> The function internal_getgrouplist() in grp/initgroups.c
> puts supplied "group" as the first entry in all but NSCD cases.
> 
> Please could you test whether it fixes the problem in your
> environment.
> 
> --- nscd/nscd_initgroups.c
> +++ nscd/nscd_initgroups.c
> @@ -144,15 +144,23 @@
>       }
> 
>     /* Check whether GROUP is part of the mix.  If not, add it.  */
> +  /* The GROUP have to be in the first entry */
>     if (retval >= 0)
>       {
>         int cnt;
> +      gid_t sg, tg;
> +      sg = group;
>         for (cnt = 0; cnt < retval; ++cnt)
> -       if ((*groupsp)[cnt] == group)
> -         break;
> +      {
> +        tg = (*groupsp)[cnt];
> +        (*groupsp)[cnt] = sg;
> +        if (tg == group)
> +          break;
> +        sg = tg;
> +      }
> 
>         if (cnt == retval)
> -       (*groupsp)[retval++] = group;
> +       (*groupsp)[retval++] = sg;
>       }
> 
>    out_close:

Oh my god, I cannot try it myself. The build process failed with test suite 
failures.