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74 lines
1.8 KiB
74 lines
1.8 KiB
#!/bin/bash |
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# SPDX-License-Identifier: GPL-2.0 |
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# |
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# Run a couple of tests when route_localnet = 1. |
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readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)" |
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setup() { |
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ip netns add "${PEER_NS}" |
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ip -netns "${PEER_NS}" link set dev lo up |
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ip link add name veth0 type veth peer name veth1 |
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ip link set dev veth0 up |
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ip link set dev veth1 netns "${PEER_NS}" |
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# Enable route_localnet and delete useless route 127.0.0.0/8. |
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sysctl -w net.ipv4.conf.veth0.route_localnet=1 |
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ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.route_localnet=1 |
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ip route del 127.0.0.0/8 dev lo table local |
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ip netns exec "${PEER_NS}" ip route del 127.0.0.0/8 dev lo table local |
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ifconfig veth0 127.25.3.4/24 up |
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ip netns exec "${PEER_NS}" ifconfig veth1 127.25.3.14/24 up |
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ip route flush cache |
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ip netns exec "${PEER_NS}" ip route flush cache |
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} |
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cleanup() { |
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ip link del veth0 |
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ip route add local 127.0.0.0/8 dev lo proto kernel scope host src 127.0.0.1 |
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local -r ns="$(ip netns list|grep $PEER_NS)" |
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[ -n "$ns" ] && ip netns del $ns 2>/dev/null |
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} |
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# Run test when arp_announce = 2. |
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run_arp_announce_test() { |
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echo "run arp_announce test" |
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setup |
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sysctl -w net.ipv4.conf.veth0.arp_announce=2 |
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ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_announce=2 |
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ping -c5 -I veth0 127.25.3.14 |
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if [ $? -ne 0 ];then |
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echo "failed" |
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else |
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echo "ok" |
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fi |
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cleanup |
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} |
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# Run test when arp_ignore = 3. |
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run_arp_ignore_test() { |
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echo "run arp_ignore test" |
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setup |
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sysctl -w net.ipv4.conf.veth0.arp_ignore=3 |
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ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_ignore=3 |
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ping -c5 -I veth0 127.25.3.14 |
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if [ $? -ne 0 ];then |
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echo "failed" |
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else |
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echo "ok" |
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fi |
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cleanup |
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} |
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run_all_tests() { |
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run_arp_announce_test |
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run_arp_ignore_test |
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} |
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run_all_tests
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