From: "Dmitry V. Levin" <ldv@altlinux.org>
To: ALT Linux Sisyphus discussion list <sisyphus@lists.altlinux.org>
Subject: Re: [sisyphus] temporary root privileges from local process
Date: Thu, 18 May 2006 16:17:59 +0400
Message-ID: <20060518121759.GA23118@basalt.office.altlinux.org> (raw)
In-Reply-To: <200605181437.18197.sisyphus@atlantic-link.com.ua>
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On Thu, May 18, 2006 at 02:37:18PM +0300, Vadym Kononenko wrote:
> четвер 18 травень 2006 01:07, Dmitry V. Levin написав:
> > Лучше, если некая служба будет сама принимать запросы на
> > переконфигурирование и перезапуск со стороны непривилегированных клиентов,
> > например, через unix domain socket.
> .. мечтать не вредно... :)
>
> Спасибо за ответ.
> Остановился на первом варианте, думаю, много вреда такая программа не
> наделает: :)
>
> #include <stdio.h>
> #include <stdlib.h>
>
> int main()
> {
> if (geteuid() != 0) exit(1);
>
> setuid(0);
>
> return system("/sbin/service bluetooth reload");
> }
Это instant root, т.е. запускающий эту привилегированную программу
пользователь может не напрягаясь получить права setuid(0).
--
ldv
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next prev parent reply other threads:[~2006-05-18 12:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-17 17:52 Vadym Kononenko
2006-05-17 22:07 ` Dmitry V. Levin
2006-05-18 11:37 ` Vadym Kononenko
2006-05-18 12:17 ` Dmitry V. Levin [this message]
2006-05-18 14:41 ` Vadym Kononenko
2006-05-18 14:52 ` Dmitry V. Levin
2006-05-19 9:06 ` Vadym Kononenko
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