1#!/bin/ksh 2# $OpenBSD: extnh.sh,v 1.1 2025/01/13 14:18:07 claudio Exp $ 3 4set -e 5 6BGPD=$1 7BGPDCONFIGDIR=$2 8RDOMAIN1=$3 9RDOMAIN2=$4 10PAIR1=$5 11PAIR2=$6 12 13RDOMAINS="${RDOMAIN1} ${RDOMAIN2}" 14PAIRS="${PAIR1} ${PAIR2}" 15PAIR1IP6=2001:db8:57::1 16PAIR2IP6=2001:db8:57::2 17PAIR2IP6_2=2001:db8:57::3 18 19error_notify() { 20 echo cleanup 21 pkill -T ${RDOMAIN1} bgpd || true 22 pkill -T ${RDOMAIN2} bgpd || true 23 sleep 1 24 ifconfig ${PAIR2} destroy || true 25 ifconfig ${PAIR1} destroy || true 26 route -qn -T ${RDOMAIN1} flush || true 27 route -qn -T ${RDOMAIN2} flush || true 28 ifconfig lo${RDOMAIN1} destroy || true 29 ifconfig lo${RDOMAIN2} destroy || true 30 if [ $1 -ne 0 ]; then 31 echo FAILED 32 exit 1 33 else 34 echo SUCCESS 35 fi 36} 37 38if [ "$(id -u)" -ne 0 ]; then 39 echo need root privileges >&2 40 exit 1 41fi 42 43trap 'error_notify $?' EXIT 44 45echo check if rdomains are busy 46for n in ${RDOMAINS}; do 47 if /sbin/ifconfig | grep -v "^lo${n}:" | grep " rdomain ${n} "; then 48 echo routing domain ${n} is already used >&2 49 exit 1 50 fi 51done 52 53echo check if interfaces are busy 54for n in ${PAIRS}; do 55 /sbin/ifconfig "${n}" >/dev/null 2>&1 && \ 56 ( echo interface ${n} is already used >&2; exit 1 ) 57done 58 59set -x 60 61echo setup 62ifconfig ${PAIR1} rdomain ${RDOMAIN1} up 63ifconfig ${PAIR2} rdomain ${RDOMAIN2} up 64ifconfig ${PAIR1} inet6 ${PAIR1IP6}/64 65ifconfig ${PAIR2} inet6 ${PAIR2IP6}/64 66ifconfig ${PAIR2} inet6 ${PAIR2IP6_2}/128 67ifconfig ${PAIR1} patch ${PAIR2} 68ifconfig lo${RDOMAIN1} inet 127.0.0.1/8 69ifconfig lo${RDOMAIN2} inet 127.0.0.1/8 70 71echo run bgpds 72route -T ${RDOMAIN1} exec ${BGPD} \ 73 -v -f ${BGPDCONFIGDIR}/bgpd.extnh.rdomain1.conf 74sleep 2 75route -T ${RDOMAIN2} exec ${BGPD} \ 76 -v -f ${BGPDCONFIGDIR}/bgpd.extnh.rdomain2_1.conf 77route -T ${RDOMAIN2} exec ${BGPD} \ 78 -v -f ${BGPDCONFIGDIR}/bgpd.extnh.rdomain2_2.conf 79sleep 5 80 81echo test 82echo "router 1 in rdomain ${RDOMAIN1}" > extnh.test1.out 83route -T ${RDOMAIN1} exec bgpctl show rib | tee -a extnh.test1.out 84echo "router 2_1 in rdomain ${RDOMAIN2}" >> extnh.test1.out 85route -T ${RDOMAIN2} exec bgpctl show rib | tee -a extnh.test1.out 86 87echo check results 88diff -u ${BGPDCONFIGDIR}/extnh.test1.ok extnh.test1.out 89echo OK 90 91exit 0 92