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Sat, 27 Nov 2021 15:19:54 +0000 From: mwilck@suse.com To: Christophe Varoqui , Benjamin Marzinski Date: Sat, 27 Nov 2021 16:19:28 +0100 Message-Id: <20211127151929.7727-36-mwilck@suse.com> In-Reply-To: <20211127151929.7727-1-mwilck@suse.com> References: <20211127151929.7727-1-mwilck@suse.com> MIME-Version: 1.0 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.84 on 10.11.54.2 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 1ARFK0N2000445 X-loop: dm-devel@redhat.com Cc: lixiaokeng@huawei.com, Chongyun Wu , dm-devel@redhat.com, Martin Wilck Subject: [dm-devel] [PATCH v3 34/35] multipathd: uxclt: allow client mode for non-root, too X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com From: Martin Wilck The server checks for root permissions anyway. "multipathd -k" should work for ordinary users as long as no priviledged commands are executed. Reviewed-by: Benjamin Marzinski Signed-off-by: Martin Wilck --- multipathd/main.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/multipathd/main.c b/multipathd/main.c index cd9a127..1888710 100644 --- a/multipathd/main.c +++ b/multipathd/main.c @@ -3344,11 +3344,6 @@ main (int argc, char *argv[]) logsink = LOGSINK_SYSLOG; - if (getuid() != 0) { - fprintf(stderr, "need to be root\n"); - exit(1); - } - /* make sure we don't lock any path */ if (chdir("/") < 0) fprintf(stderr, "can't chdir to root directory : %s\n", @@ -3435,6 +3430,11 @@ main (int argc, char *argv[]) return err; } + if (getuid() != 0) { + fprintf(stderr, "need to be root\n"); + exit(1); + } + if (foreground) { if (!isatty(fileno(stdout))) setbuf(stdout, NULL);