1#!/bin/ksh
2#	$OpenBSD: network_statement.sh,v 1.4 2019/08/06 07:31:53 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}"
15PAIR1IP=10.12.57.1
16PAIR2IP=10.12.57.2
17PAIR2STATIC=10.12.58.0/24
18PAIR2CONNIP=10.12.59.1
19PAIR2CONNPREF=24
20PAIR2CONN=10.12.59.0/24
21PAIR2RTABLE=10.12.60.0/24
22PAIR2PRIORITY=10.12.61.0/24
23PAIR2PREFIXSET=10.12.62.0/24
24
25
26error_notify() {
27	echo cleanup
28	pkill -T ${RDOMAIN1} bgpd || true
29	pkill -T ${RDOMAIN2} bgpd || true
30	sleep 1
31	ifconfig ${PAIR2} destroy || true
32	ifconfig ${PAIR1} destroy || true
33	route -qn -T ${RDOMAIN1} flush || true
34	route -qn -T ${RDOMAIN2} flush || true
35	ifconfig lo${RDOMAIN1} destroy || true
36	ifconfig lo${RDOMAIN2} destroy || true
37	if [ $1 -ne 0 ]; then
38		echo FAILED
39		exit 1
40	else
41		echo SUCCESS
42	fi
43}
44
45if [ "$(id -u)" -ne 0 ]; then
46	echo need root privileges >&2
47	exit 1
48fi
49
50trap 'error_notify $?' EXIT
51
52echo check if rdomains are busy
53for n in ${RDOMAINS}; do
54	if /sbin/ifconfig | grep -v "^lo${n}:" | grep " rdomain ${n} "; then
55		echo routing domain ${n} is already used >&2
56		exit 1
57	fi
58done
59
60echo check if interfaces are busy
61for n in ${PAIRS}; do
62	/sbin/ifconfig "${n}" >/dev/null 2>&1 && \
63	    ( echo interface ${n} is already used >&2; exit 1 )
64done
65
66set -x
67
68echo setup
69ifconfig ${PAIR1} rdomain ${RDOMAIN1} ${PAIR1IP}/30 up
70ifconfig ${PAIR2} rdomain ${RDOMAIN2} ${PAIR2IP}/30 up
71ifconfig ${PAIR1} patch ${PAIR2}
72ifconfig lo${RDOMAIN1} inet 127.0.0.1/8
73ifconfig lo${RDOMAIN2} inet 127.0.0.1/8
74
75echo add routes
76route -T ${RDOMAIN2} add ${PAIR2STATIC} ${PAIR1IP}
77ifconfig ${PAIR2} alias ${PAIR2CONNIP}/${PAIR2CONNPREF}
78route -T ${RDOMAIN2} add -label PAIR2RTABLE ${PAIR2RTABLE} \
79	${PAIR1IP}
80route -T ${RDOMAIN2} add -priority 55 ${PAIR2PRIORITY} \
81	${PAIR1IP}
82route -T ${RDOMAIN1} exec ${BGPD} \
83	-v -f ${BGPDCONFIGDIR}/bgpd.network_statement.rdomain1.conf
84route -T ${RDOMAIN2} exec ${BGPD} \
85	-v -f ${BGPDCONFIGDIR}/bgpd.network_statement.rdomain2.conf
86
87sleep 2
88
89echo test 1
90route -T ${RDOMAIN1} exec bgpctl sh rib ${PAIR2STATIC} | \
91	grep ${PAIR2STATIC}
92route -T ${RDOMAIN1} exec bgpctl sh rib ${PAIR2CONN} | \
93	grep ${PAIR2CONN}
94route -T ${RDOMAIN1} exec bgpctl sh rib ${PAIR2RTABLE} | \
95	grep ${PAIR2RTABLE}
96route -T ${RDOMAIN1} exec bgpctl sh rib ${PAIR2PRIORITY} | \
97	grep ${PAIR2PRIORITY}
98route -T ${RDOMAIN1} exec bgpctl sh rib ${PAIR2PREFIXSET} | \
99	grep ${PAIR2PREFIXSET}
100
101echo delete routes
102route -T ${RDOMAIN2} delete ${PAIR2STATIC} ${PAIR1IP}
103ifconfig ${PAIR2} -alias ${PAIR2CONNIP}
104route -T ${RDOMAIN2} delete -label PAIR2RTABLE ${PAIR2RTABLE} \
105	${PAIR1IP}
106route -T ${RDOMAIN2} delete -priority 55 ${PAIR2PRIORITY} \
107	${PAIR1IP}
108
109sleep 1
110
111echo test 2
112route -T ${RDOMAIN1} exec bgpctl sh rib ${PAIR2STATIC} | \
113	! grep ${PAIR2STATIC}
114route -T ${RDOMAIN1} exec bgpctl sh rib ${PAIR2CONN} | \
115	! grep ${PAIR2CONN}
116route -T ${RDOMAIN1} exec bgpctl sh rib ${PAIR2RTABLE} | \
117	! grep ${PAIR2RTABLE}
118route -T ${RDOMAIN1} exec bgpctl sh rib ${PAIR2PRIORITY} | \
119	! grep ${PAIR2PRIORITY}
120
121sleep 1
122
123echo add routes
124route -T ${RDOMAIN2} add ${PAIR2STATIC} ${PAIR1IP}
125ifconfig ${PAIR2} alias ${PAIR2CONNIP}/${PAIR2CONNPREF}
126route -T ${RDOMAIN2} add -label PAIR2RTABLE ${PAIR2RTABLE} \
127	${PAIR1IP}
128route -T ${RDOMAIN2} add -priority 55 ${PAIR2PRIORITY} \
129	${PAIR1IP}
130
131sleep 1
132
133echo test 3
134route -T ${RDOMAIN1} exec bgpctl sh rib ${PAIR2STATIC} | \
135	grep ${PAIR2STATIC}
136route -T ${RDOMAIN1} exec bgpctl sh rib ${PAIR2CONN} | \
137	grep ${PAIR2CONN}
138route -T ${RDOMAIN1} exec bgpctl sh rib ${PAIR2RTABLE} | \
139	grep ${PAIR2RTABLE}
140route -T ${RDOMAIN1} exec bgpctl sh rib ${PAIR2PRIORITY} | \
141	grep ${PAIR2PRIORITY}
142
143exit 0
144