test_peering1.sh

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#!/usr/bin/env bash

#
# $XORP: xorp/bgp/harness/test_peering1.sh,v 1.19 2003/10/30 04:55:40 atanu Exp $
#

#
# Test basic BGP error generation and connection creation.
#
# This script started with no arguments will start all required process and
# terminate them at the end of the tests.
#
# Preconditons
# 1) Run a finder process
# 2) Run a FEA process.
# 3) Run a RIB process.
# 4) Run xorp "../xorp_bgp"
# 5) Run "./test_peer -s peer1"
# 6) Run "./coord"
#

set -e

# srcdir is set by make for check target
if [ "X${srcdir}" = "X" ] ; then srcdir=`dirname $0` ; fi
. ${srcdir}/xrl_shell_funcs.sh ""
. ${srcdir}/../xrl_shell_funcs.sh ""

onexit()
{
    last=$?
    if [ $last = "0" ]
    then
	echo "$0: Tests Succeeded"
    else
	echo "$0: Tests Failed"
    fi

    trap '' 0 2
}

trap onexit 0 2

HOST=localhost
LOCALHOST=$HOST
ID=192.150.187.78
AS=65008

# IBGP - IPV4
PEER1=$HOST
PORT1=10001
PEER1_PORT=20001
PEER1_AS=$AS

# EBGP - IPV4
PEER2=$HOST
PORT2=10002
PEER2_PORT=20002
PEER2_AS=65000

# IBGP - IPV6
PEER3=$HOST
PORT3=10003
PEER3_PORT=20003
PEER3_AS=$AS

# EBGP - IPV6
PEER4=$HOST
PORT4=10004
PEER4_PORT=20004
PEER4_AS=65000

HOLDTIME=30

configure_bgp()
{
    local_config $AS $ID

    # Don't try and talk to the rib.
    register_rib ""

    # IBGP - IPV4
    PEER=$PEER1
    NEXT_HOP=192.150.187.78
    add_peer $LOCALHOST $PORT1 $PEER $PEER1_PORT $PEER1_AS $NEXT_HOP $HOLDTIME
    enable_peer $LOCALHOST $PORT1 $PEER $PEER1_PORT

    # EBGP - IPV4
    PEER=$PEER2
    NEXT_HOP=192.150.187.78
    add_peer $LOCALHOST $PORT2 $PEER $PEER2_PORT $PEER2_AS $NEXT_HOP $HOLDTIME
    enable_peer $LOCALHOST $PORT2 $PEER $PEER2_PORT

    # IBGP - IPV6
    PEER=$PEER3
    NEXT_HOP=192.150.187.78
    add_peer $LOCALHOST $PORT3 $PEER $PEER3_PORT $PEER3_AS $NEXT_HOP $HOLDTIME
    set_parameter $LOCALHOST $PORT3 $PEER $PEER3_PORT MultiProtocol.IPv6.Unicast
    enable_peer $LOCALHOST $PORT3 $PEER $PEER3_PORT

    # IBGP - IPV6
    PEER=$PEER4
    NEXT_HOP=192.150.187.78
    add_peer $LOCALHOST $PORT4 $PEER $PEER4_PORT $PEER4_AS $NEXT_HOP $HOLDTIME
    set_parameter $LOCALHOST $PORT4 $PEER $PEER4_PORT MultiProtocol.IPv6.Unicast
    enable_peer $LOCALHOST $PORT4 $PEER $PEER4_PORT
}

HOLD_TIMER=4
FSM_ERROR=5
OPEN_ERROR=2
UNACCEPTHOLDTIME=6

UPDATEMSGERR=3		# Update error
    MALATTRLIST=1       # Malformed Attribute List
MISSWATTR=3		# Missing Well-known Attribute

reset()
{
    coord reset
    coord target $HOST $PORT1
    coord initialise attach peer1
}

test1()
{
    echo "TEST1 - Establish a peering with a holdtime of $HOLDTIME wait for expiration"

    reset
    # XXX
    # This test is a little suspect as the number of keepalives sent
    # by the peer is implementation dependent although it is
    # recommended that the keepalive interval is determined by
    # dividing the holdtime by three.  There should be a way of
    # soaking up keepalives.

    coord peer1 expect packet open asnum $AS bgpid $ID holdtime $HOLDTIME
    coord peer1 expect packet keepalive
    coord peer1 expect packet keepalive
    coord peer1 expect packet keepalive
    coord peer1 expect packet keepalive
    coord peer1 expect packet notify $HOLD_TIMER
    coord peer1 establish AS $PEER1_AS \
	holdtime $HOLDTIME \
	id 192.150.187.100 \
	keepalive false

    sleep $HOLDTIME
    sleep 2

    sleep 2
    coord peer1 assert queue 0
}

test2()
{
    echo "TEST2 - Make a connection and send an update packet"

    reset

    coord peer1 connect

    sleep 2
    coord peer1 expect packet notify $FSM_ERROR
    coord peer1 send packet update

    sleep 2
    coord peer1 assert queue 0
}

test3()
{
    echo "TEST3 - Try and send an illegal hold time of 1"

    reset

    coord peer1 expect packet open asnum $AS bgpid $ID holdtime $HOLDTIME
    coord peer1 expect packet notify $OPEN_ERROR $UNACCEPTHOLDTIME
    coord peer1 establish AS $PEER1_AS \
	holdtime 1 \
	id 192.150.187.100 \
	keepalive false

    sleep 2
    coord peer1 assert queue 0
}

test4()
{
    echo "TEST4 - Send an update packet and don't get it back"
    PACKET='packet update
	origin 2
	aspath 1,2,(3,4,5),6,(7,8),9
	nexthop 20.20.20.20 
	nlri 10.10.10.0/24
	nlri 20.20.20.20/24
        localpref 100'

    reset
    coord peer1 establish AS $PEER1_AS holdtime 0 id 192.150.187.100

    coord peer1 assert established
    coord peer1 expect $PACKET
    coord peer1 send $PACKET

    sleep 2
    coord peer1 assert queue 1
    coord peer1 assert established
}

test5()
{
    echo "TEST5 - Passively wait for a connection."

    coord reset
    coord target $HOST $PEER1_PORT
    coord initialise attach peer1

    coord peer1 establish \
	active false \
	AS $PEER1_AS \
	holdtime $HOLDTIME \
	id 192.150.187.100

    # Toggle the BGP peering to force a connection attempt.
    disable_peer $LOCALHOST $PORT1 $PEER1 $PEER1_PORT $PEER1_AS
    enable_peer $LOCALHOST $PORT1 $PEER1 $PEER1_PORT $PEER1_AS

    echo "Sleeping $HOLDTIME"
    sleep $HOLDTIME

    coord peer1 expect packet notify $HOLD_TIMER
}

test6()
{
    echo "TEST6 - Send an update packet without an origin"
    PACKET='packet update
	aspath 1,2,(3,4,5),6,(7,8),9
	nexthop 20.20.20.20 
	nlri 10.10.10.0/24
	nlri 20.20.20.20/24'

    reset
    coord peer1 establish AS $PEER1_AS holdtime 0 id 192.150.187.100

    coord peer1 expect packet notify $UPDATEMSGERR $MISSWATTR 1
    coord peer1 send $PACKET

    sleep 2
    coord peer1 assert queue 0
}

test7()
{
    echo "TEST7 - Send an update packet without an aspath"
    PACKET='packet update
	origin 1
	nexthop 20.20.20.20 
	nlri 10.10.10.0/24
	nlri 20.20.20.20/24'

    reset
    coord peer1 establish AS $PEER1_AS holdtime 0 id 192.150.187.100

    coord peer1 expect packet notify $UPDATEMSGERR $MISSWATTR 2
    coord peer1 send $PACKET

    sleep 2
    coord peer1 assert queue 0
}

test8()
{
    echo "TEST8 - Send an update packet without a nexthop"
    PACKET='packet update
	origin 1
	aspath 1
	nlri 10.10.10.0/24
	nlri 20.20.20.20/24'

    reset
    coord peer1 establish AS $PEER1_AS holdtime 0 id 192.150.187.100

    sleep 2
    coord peer1 expect packet notify $UPDATEMSGERR $MISSWATTR 3
    coord peer1 send $PACKET

    coord peer1 assert queue 0
}


test8_ipv6()
{
    echo "TEST8 IPv6"
    echo "	1) Establish an EBGP IPv6 peering"
    echo "	2) Send a multiprotocol nlri with no nexthop"

    coord reset
    coord target $HOST $PORT4
    coord initialise attach peer1

    coord peer1 establish AS $PEER4_AS holdtime 0 id 192.150.187.100 ipv6 true

    PACKET="packet update
	origin 1
	aspath $PEER4_AS
	nlri6 2000::/3"
    
    coord peer1 expect packet notify $UPDATEMSGERR $MISSWATTR 3
	
    coord peer1 send $PACKET

    sleep 2
    coord peer1 assert queue 0

    coord peer1 assert idle
}

test9()
{
    echo "TEST9:"
    echo "	1) Send an update packet as an IBGP peer with no local pref"
    echo "	2) This is not an error. Our BGP emits a warning"

    PACKET='packet update
	origin 1
	aspath 1
	nexthop 20.20.20.20 
	nlri 10.10.10.0/24
	nlri 20.20.20.20/24'

    reset
    coord peer1 establish AS $AS holdtime 0 id 192.150.187.100

    coord peer1 assert established
    coord peer1 expect packet notify $UPDATEMSGERR $MISSWATTR 5
    coord peer1 send $PACKET

    sleep 2
    coord peer1 assert queue 1
    coord peer1 assert established
}

test10()
{
    echo "TEST10:"
    echo "	1) Send an update packet as an EBGP peer with local pref"
    echo "	2) This is not an error. Our BGP emits a warning"

    PACKET="packet update
	origin 1
	aspath $PEER2_AS
	nexthop 20.20.20.20
	localpref 100
	nlri 10.10.10.0/24
	nlri 20.20.20.20/24"

    coord reset
    coord target $HOST $PORT2
    coord initialise attach peer1

    coord peer1 establish AS $PEER2_AS holdtime 0 id 192.150.187.100

    coord peer1 assert established
#we dont expect an error - the line below is to trap one if it does occur
    coord peer1 expect packet notify $UPDATEMSGERR $MISSWATTR
    coord peer1 send $PACKET

    sleep 2
    coord peer1 assert queue 1
    coord peer1 assert established
}

test11()
{
    echo "TEST11:"
    echo "	1) Send an update packet with two NLRIs"
    echo "	2) Then send an update packet to withdraw both NLRIs"

    PACKET_1="packet update
	origin 1
	aspath $PEER2_AS
	nexthop 20.20.20.20
	nlri 10.10.10.0/24
	nlri 20.20.20.20/24"

    PACKET_2='packet update
	withdraw 10.10.10.0/24
	withdraw 20.20.20.20/24'

    coord reset
    coord target $HOST $PORT2
    coord initialise attach peer1

    coord peer1 establish AS $PEER2_AS holdtime 0 id 192.150.187.100

    coord peer1 assert established
    coord peer1 expect packet notify $UPDATEMSGERR $MISSWATTR
    coord peer1 send $PACKET_1

    sleep 2
    coord peer1 assert queue 1
    coord peer1 assert established

    sleep 2
    coord peer1 assert established
    coord peer1 expect packet notify $UPDATEMSGERR $MISSWATTR
    coord peer1 send $PACKET_2

    sleep 2
    coord peer1 assert queue 2
    coord peer1 assert established
}

test12()
{
    echo "TEST12 - Send an update packet on an IBGP peer twice"
    PACKET='packet update
	origin 1
	aspath 1
	localpref 2
	nexthop 20.20.20.20 
	nlri 10.10.10.0/24
	nlri 20.20.20.20/24'

    reset
    coord peer1 establish AS $AS holdtime 0 id 192.150.187.100

    coord peer1 assert established
    coord peer1 expect packet notify $UPDATEMSGERR $MISSWATTR
    coord peer1 send $PACKET
    coord peer1 send $PACKET

    sleep 2
    coord peer1 assert queue 1
    coord peer1 assert established
}

test13()
{
    echo "TEST13:"