From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1DA2C433F5 for ; Thu, 6 Jan 2022 21:51:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244644AbiAFVvx (ORCPT ); Thu, 6 Jan 2022 16:51:53 -0500 Received: from mail.netfilter.org ([217.70.188.207]:36148 "EHLO mail.netfilter.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239596AbiAFVvv (ORCPT ); Thu, 6 Jan 2022 16:51:51 -0500 Received: from localhost.localdomain (unknown [78.30.32.163]) by mail.netfilter.org (Postfix) with ESMTPSA id 2FA266428C; Thu, 6 Jan 2022 22:49:03 +0100 (CET) From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org, kuba@kernel.org Subject: [PATCH net 2/4] selftests: netfilter: switch to socat for tests using -q option Date: Thu, 6 Jan 2022 22:51:37 +0100 Message-Id: <20220106215139.170824-3-pablo@netfilter.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220106215139.170824-1-pablo@netfilter.org> References: <20220106215139.170824-1-pablo@netfilter.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Hangbin Liu The nc cmd(nmap-ncat) that distributed with Fedora/Red Hat does not have option -q. This make some tests failed with: nc: invalid option -- 'q' Let's switch to socat which is far more dependable. Signed-off-by: Hangbin Liu Acked-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso --- .../testing/selftests/netfilter/ipip-conntrack-mtu.sh | 9 +++++---- tools/testing/selftests/netfilter/nf_nat_edemux.sh | 10 +++++----- 2 files changed, 10 insertions(+), 9 deletions(-) diff --git a/tools/testing/selftests/netfilter/ipip-conntrack-mtu.sh b/tools/testing/selftests/netfilter/ipip-conntrack-mtu.sh index 4a6f5c3b3215..eb9553e4986b 100755 --- a/tools/testing/selftests/netfilter/ipip-conntrack-mtu.sh +++ b/tools/testing/selftests/netfilter/ipip-conntrack-mtu.sh @@ -41,7 +41,7 @@ checktool (){ checktool "iptables --version" "run test without iptables" checktool "ip -Version" "run test without ip tool" -checktool "which nc" "run test without nc (netcat)" +checktool "which socat" "run test without socat" checktool "ip netns add ${r_a}" "create net namespace" for n in ${r_b} ${r_w} ${c_a} ${c_b};do @@ -60,11 +60,12 @@ trap cleanup EXIT test_path() { msg="$1" - ip netns exec ${c_b} nc -n -w 3 -q 3 -u -l -p 5000 > ${rx} < /dev/null & + ip netns exec ${c_b} socat -t 3 - udp4-listen:5000,reuseaddr > ${rx} < /dev/null & sleep 1 for i in 1 2 3; do - head -c1400 /dev/zero | tr "\000" "a" | ip netns exec ${c_a} nc -n -w 1 -u 192.168.20.2 5000 + head -c1400 /dev/zero | tr "\000" "a" | \ + ip netns exec ${c_a} socat -t 1 -u STDIN UDP:192.168.20.2:5000 done wait @@ -189,7 +190,7 @@ ip netns exec ${r_w} sysctl -q net.ipv4.conf.all.forwarding=1 > /dev/null #--------------------- #Now we send a 1400 bytes UDP packet from Client A to Client B: -# clienta:~# head -c1400 /dev/zero | tr "\000" "a" | nc -u 192.168.20.2 5000 +# clienta:~# head -c1400 /dev/zero | tr "\000" "a" | socat -u STDIN UDP:192.168.20.2:5000 test_path "without" # The IPv4 stack on Client A already knows the PMTU to Client B, so the diff --git a/tools/testing/selftests/netfilter/nf_nat_edemux.sh b/tools/testing/selftests/netfilter/nf_nat_edemux.sh index cfee3b65be0f..1092bbcb1fba 100755 --- a/tools/testing/selftests/netfilter/nf_nat_edemux.sh +++ b/tools/testing/selftests/netfilter/nf_nat_edemux.sh @@ -76,23 +76,23 @@ ip netns exec $ns2 ip route add 10.96.0.1 via 192.168.1.1 sleep 1 # add a persistent connection from the other namespace -ip netns exec $ns2 nc -q 10 -w 10 192.168.1.1 5201 > /dev/null & +ip netns exec $ns2 socat -t 10 - TCP:192.168.1.1:5201 > /dev/null & sleep 1 # ip daddr:dport will be rewritten to 192.168.1.1 5201 # NAT must reallocate source port 10000 because # 192.168.1.2:10000 -> 192.168.1.1:5201 is already in use -echo test | ip netns exec $ns2 nc -w 3 -q 3 10.96.0.1 443 >/dev/null +echo test | ip netns exec $ns2 socat -t 3 -u STDIN TCP:10.96.0.1:443 >/dev/null ret=$? kill $iperfs -# Check nc can connect to 10.96.0.1:443 (aka 192.168.1.1:5201). +# Check socat can connect to 10.96.0.1:443 (aka 192.168.1.1:5201). if [ $ret -eq 0 ]; then - echo "PASS: nc can connect via NAT'd address" + echo "PASS: socat can connect via NAT'd address" else - echo "FAIL: nc cannot connect via NAT'd address" + echo "FAIL: socat cannot connect via NAT'd address" exit 1 fi -- 2.30.2