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#!/bin/ksh
# $OpenBSD: lladdr.sh,v 1.3 2024/10/28 12:11:05 claudio Exp $
set -e
BGPD=$1
BGPDCONFIGDIR=$2
RDOMAIN1=$3
RDOMAIN2=$4
PAIR1=$5
PAIR2=$6
GIF1=gif${RDOMAIN1}
GIF2=gif${RDOMAIN2}
RDOMAINS="${RDOMAIN1} ${RDOMAIN2}"
IFACES="${PAIR1} ${PAIR2} ${GIF1} ${GIF2}"
PAIR1IP6=fe80::c0fe:1
PAIR2IP6=fe80::c0fe:2
GIF1IP6=fe80::beef:1
GIF2IP6=fe80::beef:2
error_notify() {
set -x
echo cleanup
pkill -T ${RDOMAIN1} bgpd || true
pkill -T ${RDOMAIN2} bgpd || true
sleep 1
ifconfig ${GIF1} destroy || true
ifconfig ${GIF2} destroy || true
ifconfig ${PAIR1} destroy || true
ifconfig ${PAIR2} destroy || true
route -qn -T ${RDOMAIN1} flush || true
route -qn -T ${RDOMAIN2} flush || true
ifconfig lo${RDOMAIN1} destroy || true
ifconfig lo${RDOMAIN2} destroy || true
if [ $1 -ne 0 ]; then
echo FAILED
exit 1
else
echo SUCCESS
fi
}
if [ "$(id -u)" -ne 0 ]; then
echo need root privileges >&2
exit 1
fi
trap 'error_notify $?' EXIT
echo check if rdomains are busy
for n in ${RDOMAINS}; do
if /sbin/ifconfig | grep -v "^lo${n}:" | grep " rdomain ${n} "; then
echo routing domain ${n} is already used >&2
exit 1
fi
done
echo check if interfaces are busy
for n in ${IFACES}; do
/sbin/ifconfig "${n}" >/dev/null 2>&1 && \
( echo interface ${n} is already used >&2; exit 1 )
done
set -x
echo setup
ifconfig ${PAIR1} rdomain ${RDOMAIN1} up
ifconfig ${PAIR2} rdomain ${RDOMAIN2} up
ifconfig ${PAIR1} inet6 ${PAIR1IP6}/64
ifconfig ${PAIR2} inet6 ${PAIR2IP6}/64
ifconfig ${PAIR1} patch ${PAIR2}
ifconfig ${GIF1} rdomain ${RDOMAIN1} tunneldomain ${RDOMAIN1}
ifconfig ${GIF2} rdomain ${RDOMAIN2} tunneldomain ${RDOMAIN2}
ifconfig ${GIF1} tunnel ${PAIR1IP6}%${PAIR1} ${PAIR2IP6}%${PAIR1}
ifconfig ${GIF2} tunnel ${PAIR2IP6}%${PAIR2} ${PAIR1IP6}%${PAIR2}
ifconfig ${GIF1} inet6 ${GIF1IP6}/128 ${GIF2IP6}
ifconfig ${GIF2} inet6 ${GIF2IP6}/128 ${GIF1IP6}
echo run bgpds
route -T ${RDOMAIN1} exec ${BGPD} \
-v -f ${BGPDCONFIGDIR}/bgpd.lladdr.rdomain1.conf
route -T ${RDOMAIN2} exec ${BGPD} \
-v -f ${BGPDCONFIGDIR}/bgpd.lladdr.rdomain2.conf
sleep 1
route -T12 exec bgpctl nei RDOMAIN1 up
route -T12 exec bgpctl nei RDOMAIN1_2 up
sleep 2
route -T11 exec bgpctl show rib | tee lladdr.rdomain1.out
route -T11 exec bgpctl show fib | grep -v 'link#' | tee -a lladdr.rdomain1.out
route -T11 get 2001:db8:2::/48 | grep -v "if address" | tee -a lladdr.rdomain1.out
route -T11 get 2001:db8:12::/48 | grep -v "if address" | tee -a lladdr.rdomain1.out
route -T12 exec bgpctl show rib | tee lladdr.rdomain2.out
route -T12 exec bgpctl show fib | grep -v 'link#' | tee -a lladdr.rdomain2.out
route -T12 get 2001:db8:1::/48 | grep -v "if address" | tee -a lladdr.rdomain2.out
route -T12 get 2001:db8:11::/48 | grep -v "if address" | tee -a lladdr.rdomain2.out
sleep .2
diff -u ${BGPDCONFIGDIR}/lladdr.rdomain1.ok lladdr.rdomain1.out
diff -u ${BGPDCONFIGDIR}/lladdr.rdomain2.ok lladdr.rdomain2.out
echo OK
exit 0
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