65 lines
2.4 KiB
Bash
65 lines
2.4 KiB
Bash
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
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# ┌─────────────────────┐ ┌─────────────────────┐
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# │ $netns0 │ │ $netns1 │
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# │ │ │ │
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# │┌────────┐ │ │ ┌────────┐│
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# ││ eth0 │───────────┼────┼───────────│ eth0 ││
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# │├────────┴──────────┐│ │┌──────────┴────────┤│
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# ││192.0.2.1/24 ││ ││192.0.2.1/24 ││
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# ││ping ││ ││ACD daemon ││
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# │└───────────────────┘│ │└───────────────────┘│
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# └─────────────────────┘ └─────────────────────┘
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set -e
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exec 3>&1
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export LANG=C
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netns0="ell-test-$$-0"
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netns1="ell-test-$$-1"
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pretty() { echo -e "\x1b[32m\x1b[1m[+] ${1:+NS$1: }${2}\x1b[0m" >&3; }
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pp() { pretty "" "$*"; "$@"; }
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maybe_exec() { if [[ $BASHPID -eq $$ ]]; then "$@"; else exec "$@"; fi; }
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n0() { pretty 0 "$*"; maybe_exec ip netns exec $netns0 "$@"; }
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n1() { pretty 1 "$*"; maybe_exec ip netns exec $netns1 "$@"; }
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ip0() { pretty 0 "ip $*"; ip -n $netns0 "$@"; }
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ip1() { pretty 1 "ip $*"; ip -n $netns1 "$@"; }
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slp() { read -t "$1" -N 1 || true; }
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do_cleanup() {
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set +e
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exec 2>/dev/null
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pp pkill ell-acd-client
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pp ip netns del $netns1
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pp ip netns del $netns0
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pp rm /tmp/tmp/acd-$$.log
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}
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trap do_cleanup EXIT
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pkill ell-acd-client || true
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ip netns del $netns0 2>/dev/null || true
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ip netns del $netns1 2>/dev/null || true
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pp ip netns add $netns0
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pp ip netns add $netns1
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ip0 link set dev lo up
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ip0 link add name eth0 type veth peer name eth0 netns $netns1
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ip0 link set dev eth0 up
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ip1 link set dev lo up
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ip1 link set dev eth0 up
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idx="$(ip1 -j link show dev eth0 | jq '.[0].ifindex')"
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n1 ./ell-acd-client $idx 192.0.2.1 -d -D defend -n 1>/tmp/acd-$$.log 2>&1 &
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slp 5
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ip0 address add dev eth0 192.0.2.1/24
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n0 ping 192.0.2.2 -I eth0 -c5 -w5 -q || true
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slp 5
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pp cat /tmp/acd-$$.log
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pp grep 'IP 192.0.2.1 has been lost' /tmp/acd-$$.log
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