On 02/17/2011 04:03 PM, Serge E. Hallyn wrote:
> This allows setuid/setgid in containers. It also fixes some
> corner cases where kernel logic foregoes capability checks when
> uids are equivalent. The latter will need to be done throughout
> the whole kernel.
>
> Changelog:
> Jan 11: Use nsown_capable() as suggested by Bastian Blank.
> Jan 11: Fix logic errors in uid checks pointed out by Bastian.
> Feb 15: allow prlimit to current (was regression in previous version)
>
> Signed-off-by: Serge E. Hallyn<serge.hal...@canonical.com>
Acked-by: Daniel Lezcano <daniel.lezc...@free.fr>
>
> - if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN))
> + if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN)) {
> + printk(KERN_NOTICE "%s: did not have CAP_SYS_ADMIN\n",
> __func__);
> return -EPERM;
> + }
> + printk(KERN_NOTICE "%s: did have CAP_SYS_ADMIN\n", __func__);
A couple of printk left here.
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