From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on sa.local.altlinux.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM autolearn=ham autolearn_force=no version=3.4.1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding:content-language; bh=oYa7K8B/RTZdh3nM84J35uqESWNjER11KNTMuJ+/jSM=; b=AwfPi18BfbEH0F6FpDS57gHJUSQrg0Zk8EAO7rZZvo6YJ5zgK49DYxMk2axSTkqBMd p1l9/0mxUaSqpxSlmJijggKoKjXKCSgUHYb5XcFeRH2CTGKe2rMKL0p0Ck8B53/PIsBJ bhA+7W18tLAYH5xNZrFUprQtKnx3sii55VnR15okyEUgqIcBSkLuK1NtULOD/PWUMtZA OYUdMV/tVAi1M/IendMBHHwbK3n2K8HcqLYxHOlNQZrzk3iJkJXg2ldLW7ampzwQIlI9 PQdRfy/ZZi8b5kzsM/gLhEG4gxKrl8nu/0hekbtbc2PZ8f/Ln8JnSucjeTs5JCkWl8Q4 afuA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=oYa7K8B/RTZdh3nM84J35uqESWNjER11KNTMuJ+/jSM=; b=Uc+DXsKAiK7+BPUuArpBTPwKHL5PfY9R4LIA9XH2BD1ZdhjrdkHx/sm4LJPTcK2q9z c+Tp1qWw0B26mRtgjuLO4ddKJ/NnZCdwIEkOfsl7YwB39f9zfJ5JWit/S1qylfy+ehHC GGrQXjyHZfpgmjK1xf6iX41JCAQ6v69NJsRBF7DJS1L63+vXLxxh5TkOXSIWA1Vd4Y4h tAK+C4P1Sgkqane9oh4fyuoDZIpXz/Sq7E2WgsQmMgtBHfUKMut5ENKJGyPdYC0RGAS/ +Zm/dc2mbMAem2xEZI1+8zpXzGNOoBwIGud1d3jEkkQjR0vupoolyk+K9rEFmkTMFb/S HAzA== X-Gm-Message-State: AOAM533BEqOnK93GdRff1B0k81zg+8dChN4/miT5ingsI7FtZm34HVD/ BSeKWgvDev6YgxPOSUI942qn/ho+/vY= X-Google-Smtp-Source: ABdhPJw7j4caJuBs29JZNXm/MCgVWnKlggchQDft5oJecABInxISzoxTZ0U7f0tNmX2rQzW8oNEcpQ== X-Received: by 2002:ac2:58d5:: with SMTP id u21mr8401721lfo.31.1597706353577; Mon, 17 Aug 2020 16:19:13 -0700 (PDT) To: devel@lists.altlinux.org References: <20200817225902.GF19101@altlinux.org> From: Leonid Krivoshein Message-ID: Date: Tue, 18 Aug 2020 02:19:12 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20200817225902.GF19101@altlinux.org> Content-Type: text/plain; charset=koi8-r; format=flowed Content-Transfer-Encoding: 8bit Content-Language: ru Subject: Re: [devel] =?utf-8?b?0JrQsNC6INC/0YDQsNCy0LjQu9GM0L3QviDQvtC/0YA=?= =?utf-8?b?0LXQtNC10LvQuNGC0YwsINGH0YLQviDQvNGLINCy0L3Rg9GC0YDQuCBIYXNo?= =?utf-8?b?ZXI/?= X-BeenThere: devel@lists.altlinux.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: ALT Linux Team development discussions List-Id: ALT Linux Team development discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Aug 2020 23:19:16 -0000 Archived-At: List-Archive: List-Post: 18.08.2020 1:59, Alexey V. Vissarionov пишет: > On 2020-08-18 01:51:59 +0300, Leonid Krivoshein wrote: > > > Возможно вопрос совсем простой, но что-то не нахожу сходу > > ответа. > > $ hsh-run --rooter -- losetup -f 2>&1 |grep "No such device" > > losetup: cannot find an unused loop device: No such device > > Есть ли более правильный способ определения того, что это root > > в хэшере, а не настоящий? > > Я бы через сетевую подсистему тестировал... там, насколько помню, > unshare() делается с CLONE_NEWNET. > > Попробуй hsh-run --rooter -- ip rou get 0 Нашёл ещё такой вариант: # chroot / /bin/sh -c exit; echo $? 0 $ hsh-run --rooter -- chroot / /bin/sh -c exit; echo $? chroot: cannot change root directory to '/': Operation not permitted 125 Но вообще интересно, как правильно... -- Best regards, Leonid Krivoshein.