#! /usr/bin/atf-sh
#	$NetBSD: net_common.sh,v 1.18.2.1 2017/07/07 13:57:26 martin Exp $
#
# Copyright (c) 2016 Internet Initiative Japan Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#

#
# Common utility functions for tests/net
#

HIJACKING="env LD_PRELOAD=/usr/lib/librumphijack.so \
    RUMPHIJACK=path=/rump,socket=all:nolocal,sysctl=yes"
ONEDAYISH="(23h5[0-9]m|1d0h0m)[0-9]+s ?"

extract_new_packets()
{
	local bus=$1
	local old=./.__old

	if [ ! -f $old ]; then
		old=/dev/null
	fi

	shmif_dumpbus -p - $bus 2>/dev/null| \
	    tcpdump -n -e -r - 2>/dev/null > ./.__new
	diff -u $old ./.__new |grep '^+' |cut -d '+' -f 2 > ./.__diff
	mv -f ./.__new ./.__old
	cat ./.__diff
}

check_route()
{
	local target=$1
	local gw=$2
	local flags=${3:-\.\+}
	local ifname=${4:-\.\+}

	target=$(echo $target |sed 's/\./\\./g')
	if [ "$gw" = "" ]; then
		gw=".+"
	else
		gw=$(echo $gw |sed 's/\./\\./g')
	fi

	atf_check -s exit:0 -e ignore \
	    -o match:"^$target +$gw +$flags +- +- +.+ +$ifname" \
	    rump.netstat -rn
}

check_route_flags()
{

	check_route "$1" "" "$2" ""
}

check_route_gw()
{

	check_route "$1" "$2" "" ""
}

check_route_no_entry()
{
	local target=$(echo $1 |sed 's/\./\\./g')

	atf_check -s exit:0 -e ignore -o not-match:"^$target" \
	    rump.netstat -rn
}

get_linklocal_addr()
{

	export RUMP_SERVER=${1}
	rump.ifconfig ${2} inet6 |
	    awk "/fe80/ {sub(/%$2/, \"\"); sub(/\\/[0-9]*/, \"\"); print \$2;}"
	unset RUMP_SERVER

	return 0
}

get_macaddr()
{

	env RUMP_SERVER=${1} \
	    rump.ifconfig ${2} |awk '/address/ {print $2;}'
}

HTTPD_PID=./.__httpd.pid
start_httpd()
{
	local sock=$1
	local ip=$2
	local backup=$RUMP_SERVER

	export RUMP_SERVER=$sock

	# start httpd in daemon mode
	atf_check -s exit:0 env LD_PRELOAD=/usr/lib/librumphijack.so \
	    /usr/libexec/httpd -P $HTTPD_PID -i $ip -b -s $(pwd)

	export RUMP_SERVER=$backup

	sleep 3
}

stop_httpd()
{

	if [ -f $HTTPD_PID ]; then
		kill -9 $(cat $HTTPD_PID)
		rm -f $HTTPD_PID
		sleep 1
	fi
}

NC_PID=./.__nc.pid
start_nc_server()
{
	local sock=$1
	local port=$2
	local outfile=$3
	local proto=${4:-ipv4}
	local backup=$RUMP_SERVER
	local pid= opts=

	export RUMP_SERVER=$sock

	if [ $proto = ipv4 ]; then
		opts="-l -4"
	else
		opts="-l -6"
	fi

	env LD_PRELOAD=/usr/lib/librumphijack.so \
	    nc $opts $port > $outfile &
	pid=$!
	echo $pid > $NC_PID

	if [ $proto = ipv4 ]; then
		$DEBUG && rump.netstat -a -f inet
	else
		$DEBUG && rump.netstat -a -f inet6
	fi

	export RUMP_SERVER=$backup

	sleep 1
}

stop_nc_server()
{

	if [ -f $NC_PID ]; then
		kill -9 $(cat $NC_PID)
		rm -f $NC_PID
		sleep 1
	fi
}

BASIC_LIBS="-lrumpnet -lrumpnet_net -lrumpnet_netinet \
    -lrumpnet_shmif -lrumpdev"
FS_LIBS="$BASIC_LIBS -lrumpvfs -lrumpfs_ffs"
CRYPTO_LIBS="$BASIC_LIBS -lrumpvfs -lrumpdev_opencrypto \
    -lrumpkern_z -lrumpkern_crypto"

# We cannot keep variables between test phases, so need to store in files
_rump_server_socks=./.__socks
_rump_server_ifaces=./.__ifaces
_rump_server_buses=./.__buses

DEBUG_SYSCTL_ENTRIES="net.inet.arp.debug net.inet6.icmp6.nd6_debug \
    net.inet.ipsec.debug"

IPSEC_KEY_DEBUG=${IPSEC_KEY_DEBUG:-false}

_rump_server_start_common()
{
	local sock=$1
	local libs=
	local backup=$RUMP_SERVER

	shift 1
	libs="$*"

	atf_check -s exit:0 rump_server $libs $sock

	if $DEBUG; then
		# Enable debugging features in the kernel
		export RUMP_SERVER=$sock
		for ent in $DEBUG_SYSCTL_ENTRIES; do
			if rump.sysctl -q $ent; then
				atf_check -s exit:0 rump.sysctl -q -w $ent=1
			fi
		done
		export RUMP_SERVER=$backup
	fi
	if $IPSEC_KEY_DEBUG; then
		# Enable debugging features in the kernel
		export RUMP_SERVER=$sock
		if rump.sysctl -q net.key.debug; then
			atf_check -s exit:0 \
			    rump.sysctl -q -w net.key.debug=0xffff
		fi
		export RUMP_SERVER=$backup
	fi

	echo $sock >> $_rump_server_socks
	$DEBUG && cat $_rump_server_socks
}

rump_server_start()
{
	local sock=$1
	local _libs=
	local libs="$BASIC_LIBS"

	shift 1
	_libs="$*"

	for lib in $_libs; do
		libs="$libs -lrumpnet_$lib"
	done

	_rump_server_start_common $sock $libs

	return 0
}

rump_server_fs_start()
{
	local sock=$1
	local _libs=
	local libs="$FS_LIBS"

	shift 1
	_libs="$*"

	for lib in $_libs; do
		libs="$libs -lrumpnet_$lib"
	done

	_rump_server_start_common $sock $libs

	return 0
}

rump_server_crypto_start()
{
	local sock=$1
	local _libs=
	local libs="$CRYPTO_LIBS"

	shift 1
	_libs="$*"

	for lib in $_libs; do
		libs="$libs -lrumpnet_$lib"
	done

	_rump_server_start_common $sock $libs

	return 0
}

rump_server_add_iface()
{
	local sock=$1
	local ifname=$2
	local bus=$3
	local backup=$RUMP_SERVER

	export RUMP_SERVER=$sock
	atf_check -s exit:0 rump.ifconfig $ifname create
	atf_check -s exit:0 rump.ifconfig $ifname linkstr $bus
	export RUMP_SERVER=$backup

	echo $sock $ifname >> $_rump_server_ifaces
	$DEBUG && cat $_rump_server_ifaces

	echo $bus >> $_rump_server_buses
	cat $_rump_server_buses |sort -u >./.__tmp
	mv -f ./.__tmp $_rump_server_buses
	$DEBUG && cat $_rump_server_buses

	return 0
}

rump_server_destroy_ifaces()
{
	local backup=$RUMP_SERVER

	$DEBUG && cat $_rump_server_ifaces

	# Try to dump states before destroying interfaces
	for sock in $(cat $_rump_server_socks); do
		export RUMP_SERVER=$sock
		atf_check -s exit:0 -o ignore rump.ifconfig
		atf_check -s exit:0 -o ignore rump.netstat -nr
		# XXX still need hijacking
		atf_check -s exit:0 -o ignore $HIJACKING rump.netstat -i -a
		atf_check -s exit:0 -o ignore rump.arp -na
		atf_check -s exit:0 -o ignore rump.ndp -na
		atf_check -s exit:0 -o ignore $HIJACKING ifmcstat
	done

	# XXX using pipe doesn't work. See PR bin/51667
	#cat $_rump_server_ifaces | while read sock ifname; do
	while read sock ifname; do
		export RUMP_SERVER=$sock
		if rump.ifconfig -l |grep -q $ifname; then
			atf_check -s exit:0 rump.ifconfig $ifname destroy
		fi
		atf_check -s exit:0 -o ignore rump.ifconfig
	done < $_rump_server_ifaces
	export RUMP_SERVER=$backup

	return 0
}

rump_server_halt_servers()
{
	local backup=$RUMP_SERVER

	$DEBUG && cat $_rump_server_socks
	for sock in $(cat $_rump_server_socks); do
		env RUMP_SERVER=$sock rump.halt
	done
	export RUMP_SERVER=$backup

	return 0
}

rump_server_dump_servers()
{
	local backup=$RUMP_SERVER

	$DEBUG && cat $_rump_server_socks
	for sock in $(cat $_rump_server_socks); do
		echo "### Dumping $sock"
		export RUMP_SERVER=$sock
		rump.ifconfig
		rump.netstat -nr
		# XXX still need hijacking
		$HIJACKING rump.netstat -i -a
		rump.arp -na
		rump.ndp -na
		$HIJACKING ifmcstat
		$HIJACKING dmesg
	done
	export RUMP_SERVER=$backup

	if [ -f rump_server.core ]; then
		gdb -ex bt /usr/bin/rump_server rump_server.core
		strings rump_server.core |grep panic
	fi
	return 0
}

rump_server_dump_buses()
{

	if [ ! -f $_rump_server_buses ]; then
		return 0
	fi

	$DEBUG && cat $_rump_server_buses
	for bus in $(cat $_rump_server_buses); do
		echo "### Dumping $bus"
		shmif_dumpbus -p - $bus 2>/dev/null| tcpdump -n -e -r -
	done
	return 0
}

cleanup()
{

	rump_server_halt_servers
}

dump()
{

	rump_server_dump_servers
	rump_server_dump_buses
}
#	$NetBSD: t_forwarding.sh,v 1.20 2017/02/20 09:58:58 ozaki-r Exp $
#
# Copyright (c) 2015 The NetBSD Foundation, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#

SOCKSRC=unix://commsock1
SOCKFWD=unix://commsock2
SOCKDST=unix://commsock3
IP4SRC=10.0.1.2
IP4SRCGW=10.0.1.1
IP4DSTGW=10.0.2.1
IP4DST=10.0.2.2
IP4DST_BCAST=10.0.2.255
IP6SRC=fc00:0:0:1::2
IP6SRCGW=fc00:0:0:1::1
IP6DSTGW=fc00:0:0:2::1
IP6DST=fc00:0:0:2::2
HTML_FILE=index.html

DEBUG=${DEBUG:-false}
TIMEOUT=5

atf_test_case ipforwarding_v4 cleanup
atf_test_case ipforwarding_v6 cleanup
atf_test_case ipforwarding_fastforward_v4 cleanup
atf_test_case ipforwarding_fastforward_v6 cleanup
atf_test_case ipforwarding_misc cleanup
atf_test_case ipforwarding_fragment_v4 cleanup

ipforwarding_v4_head()
{
	atf_set "descr" "Does IPv4 forwarding tests"
	atf_set "require.progs" "rump_server"
}

ipforwarding_v6_head()
{
	atf_set "descr" "Does IPv6 forwarding tests"
	atf_set "require.progs" "rump_server"
}

ipforwarding_fastforward_v4_head()
{
	atf_set "descr" "Tests for IPv4 fastforward"
	atf_set "require.progs" "rump_server"
}

ipforwarding_fastforward_v6_head()
{
	atf_set "descr" "Tests for IPv6 fastfoward"
	atf_set "require.progs" "rump_server"
}

ipforwarding_misc_head()
{
	atf_set "descr" "Does IPv4 forwarding tests"
	atf_set "require.progs" "rump_server"
}

ipforwarding_fragment_v4_head()
{
	atf_set "descr" "Tests for fragmented packet forwarding (IPv4)"
	atf_set "require.progs" "rump_server"
}

setup_endpoint()
{
	sock=${1}
	addr=${2}
	bus=${3}
	mode=${4}
	gw=${5}

	rump_server_add_iface $sock shmif0 $bus

	export RUMP_SERVER=${sock}
	if [ $mode = "ipv6" ]; then
		atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${addr}
		atf_check -s exit:0 -o ignore rump.route add -inet6 default ${gw}
	else
		atf_check -s exit:0 rump.ifconfig shmif0 inet ${addr} netmask 0xffffff00
		atf_check -s exit:0 -o ignore rump.route add default ${gw}
	fi
	atf_check -s exit:0 rump.ifconfig shmif0 up

	if $DEBUG; then
		rump.ifconfig shmif0
		rump.netstat -nr
	fi	
}

test_endpoint()
{
	sock=${1}
	addr=${2}
	bus=${3}
	mode=${4}

	export RUMP_SERVER=${sock}
	atf_check -s exit:0 -o match:shmif0 rump.ifconfig
	if [ $mode = "ipv6" ]; then
		atf_check -s exit:0 -o ignore rump.ping6 -n -c 1 -X $TIMEOUT ${addr}
	else
		atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 ${addr}
	fi
}

setup_forwarder()
{
	mode=${1}

	rump_server_add_iface $SOCKFWD shmif0 bus1
	rump_server_add_iface $SOCKFWD shmif1 bus2

	export RUMP_SERVER=$SOCKFWD

	if [ $mode = "ipv6" ]; then
		atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6SRCGW}
		atf_check -s exit:0 rump.ifconfig shmif1 inet6 ${IP6DSTGW}
	else
		atf_check -s exit:0 rump.ifconfig shmif0 inet ${IP4SRCGW} netmask 0xffffff00
		atf_check -s exit:0 rump.ifconfig shmif1 inet ${IP4DSTGW} netmask 0xffffff00
	fi

	atf_check -s exit:0 rump.ifconfig shmif0 up
	atf_check -s exit:0 rump.ifconfig shmif1 up

	if $DEBUG; then
		rump.netstat -nr
		if [ $mode = "ipv6" ]; then
			rump.sysctl net.inet6.ip6.forwarding
		else
			rump.sysctl net.inet.ip.forwarding
		fi
	fi
}

prepare_file()
{
	local file=$1
	local data="0123456789"

	touch $file
	for i in `seq 1 512`
	do
		echo $data >> $file
	done
}

setup()
{
	rump_server_start $SOCKSRC
	rump_server_start $SOCKFWD
	rump_server_start $SOCKDST

	setup_endpoint $SOCKSRC $IP4SRC bus1 ipv4 $IP4SRCGW
	setup_endpoint $SOCKDST $IP4DST bus2 ipv4 $IP4DSTGW
	setup_forwarder ipv4
}

setup6()
{
	rump_server_start $SOCKSRC netinet6
	rump_server_start $SOCKFWD netinet6
	rump_server_start $SOCKDST netinet6

	setup_endpoint $SOCKSRC $IP6SRC bus1 ipv6 $IP6SRCGW
	setup_endpoint $SOCKDST $IP6DST bus2 ipv6 $IP6DSTGW
	setup_forwarder ipv6
}

test_http_get()
{
	local ip=$1

	export RUMP_SERVER=$SOCKFWD
	atf_check -s exit:0 rump.arp -d -a

	export RUMP_SERVER=$SOCKSRC

	# get the webpage
	atf_check -s exit:0 env LD_PRELOAD=/usr/lib/librumphijack.so 	\
	    ftp -q $TIMEOUT -o out http://$ip/$HTML_FILE
}

test_setup()
{
	test_endpoint $SOCKSRC $IP4SRC bus1 ipv4
	test_endpoint $SOCKDST $IP4DST bus2 ipv4

	export RUMP_SERVER=$SOCKFWD
	atf_check -s exit:0 -o match:shmif0 rump.ifconfig
	atf_check -s exit:0 -o match:shmif1 rump.ifconfig

	atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 ${IP4SRCGW}
	atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 ${IP4DSTGW}
}

test_setup6()
{
	test_endpoint $SOCKSRC $IP6SRC bus1 ipv6
	test_endpoint $SOCKDST $IP6DST bus2 ipv6

	export RUMP_SERVER=$SOCKFWD
	atf_check -s exit:0 -o match:shmif0 rump.ifconfig
	atf_check -s exit:0 -o match:shmif1 rump.ifconfig

	atf_check -s exit:0 -o ignore rump.ping6 -n -c 1 -X $TIMEOUT ${IP6SRCGW}
	atf_check -s exit:0 -o ignore rump.ping6 -n -c 1 -X $TIMEOUT ${IP6DSTGW}
}

setup_forwarding()
{
	export RUMP_SERVER=$SOCKFWD
	atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.ip.forwarding=1
}

setup_forwarding6()
{
	export RUMP_SERVER=$SOCKFWD
	atf_check -s exit:0 -o ignore rump.sysctl -w net.inet6.ip6.forwarding=1
}

setup_directed_broadcast()
{
	export RUMP_SERVER=$SOCKFWD
	atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.ip.directed-broadcast=1
}

setup_icmp_bmcastecho()
{
	export RUMP_SERVER=$SOCKDST
	atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.icmp.bmcastecho=1
}

teardown_forwarding()
{
	export RUMP_SERVER=$SOCKFWD
	atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.ip.forwarding=0
}

teardown_forwarding6()
{
	export RUMP_SERVER=$SOCKFWD
	atf_check -s exit:0 -o ignore rump.sysctl -w net.inet6.ip6.forwarding=0
}

teardown_directed_broadcast()
{
	export RUMP_SERVER=$SOCKFWD
	atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.ip.directed-broadcast=0
}

teardown_icmp_bmcastecho()
{
	export RUMP_SERVER=$SOCKDST
	atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.icmp.bmcastecho=0
}

teardown_interfaces()
{

	rump_server_destroy_ifaces
}

test_setup_forwarding()
{
	export RUMP_SERVER=$SOCKFWD
	atf_check -s exit:0 -o match:"net.inet.ip.forwarding = 1" \
	    rump.sysctl net.inet.ip.forwarding
}
test_setup_forwarding6()
{
	export RUMP_SERVER=$SOCKFWD
	atf_check -s exit:0 -o match:"net.inet6.ip6.forwarding = 1" \
	    rump.sysctl net.inet6.ip6.forwarding
}

test_teardown_forwarding()
{
	export RUMP_SERVER=$SOCKFWD
	atf_check -s exit:0 -o match:"net.inet.ip.forwarding = 0" \
	    rump.sysctl net.inet.ip.forwarding
}
test_teardown_forwarding6()
{
	export RUMP_SERVER=$SOCKFWD
	atf_check -s exit:0 -o match:"net.inet6.ip6.forwarding = 0" \
	    rump.sysctl net.inet6.ip6.forwarding
}

test_ping_failure()
{
	export RUMP_SERVER=$SOCKSRC
	atf_check -s not-exit:0 -o ignore rump.ping -q -n -w $TIMEOUT -c 1 $IP4DST
	export RUMP_SERVER=$SOCKDST
	atf_check -s not-exit:0 -o ignore rump.ping -q -n -w $TIMEOUT -c 1 $IP4SRC
}

test_ping_success()
{
	export RUMP_SERVER=$SOCKSRC
	$DEBUG && rump.ifconfig -v shmif0
	atf_check -s exit:0 -o ignore rump.ping -q -n -w $TIMEOUT -c 1 $IP4SRCGW
	atf_check -s exit:0 -o ignore rump.ping -q -n -w $TIMEOUT -c 1 $IP4DST
	$DEBUG && rump.ifconfig -v shmif0

	export RUMP_SERVER=$SOCKDST
	$DEBUG && rump.ifconfig -v shmif0
	atf_check -s exit:0 -o ignore rump.ping -q -n -w $TIMEOUT -c 1 $IP4DSTGW
	atf_check -s exit:0 -o ignore rump.ping -q -n -w $TIMEOUT -c 1 $IP4SRC
	$DEBUG && rump.ifconfig -v shmif0
}

test_ping_ttl()
{
	export RUMP_SERVER=$SOCKSRC
	$DEBUG && rump.ifconfig -v shmif0
	atf_check -s exit:0 -o ignore rump.ping -q -n -w $TIMEOUT -c 1 -T 1 $IP4SRCGW
	atf_check -s not-exit:0 -o match:'Time To Live exceeded' \
	    rump.ping -v -n -w $TIMEOUT -c 1 -T 1 $IP4DST
	atf_check -s exit:0 -o ignore rump.ping -q -n -w $TIMEOUT -c 1 -T 2 $IP4DST
	$DEBUG && rump.ifconfig -v shmif0
}

test_sysctl_ttl()
{
	local ip=$1

	export RUMP_SERVER=$SOCKSRC
	$DEBUG && rump.ifconfig -v shmif0

	atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.ip.ttl=1
	# get the webpage
	atf_check -s not-exit:0 -e match:'timed out' \
		env LD_PRELOAD=/usr/lib/librumphijack.so	\
		ftp -q $TIMEOUT -o out http://$ip/$HTML_FILE


	atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.ip.ttl=2
	# get the webpage
	atf_check -s exit:0 env LD_PRELOAD=/usr/lib/librumphijack.so 	\
		ftp -q $TIMEOUT -o out http://$ip/$HTML_FILE

	atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.ip.ttl=64
	$DEBUG && rump.ifconfig -v shmif0
}

test_directed_broadcast()
{
	setup_icmp_bmcastecho

	setup_directed_broadcast
	export RUMP_SERVER=$SOCKSRC
	atf_check -s exit:0 -o ignore rump.ping -q -n -w $TIMEOUT -c 1 $IP4DST_BCAST

	teardown_directed_broadcast
	export RUMP_SERVER=$SOCKSRC
	atf_check -s not-exit:0 -o ignore rump.ping -q -n -w $TIMEOUT -c 1 $IP4DST_BCAST

	teardown_icmp_bmcastecho
}

test_ping6_failure()
{
	export RUMP_SERVER=$SOCKSRC
	atf_check -s not-exit:0 -o ignore rump.ping6 -q -n -c 1 -X $TIMEOUT $IP6DST
	export RUMP_SERVER=$SOCKDST
	atf_check -s not-exit:0 -o ignore rump.ping6 -q -n -c 1 -X $TIMEOUT $IP6SRC
}

test_ping6_success()
{
	export RUMP_SERVER=$SOCKSRC
	$DEBUG && rump.ifconfig -v shmif0
	atf_check -s exit:0 -o ignore rump.ping6 -q -n -c 1 -X $TIMEOUT $IP6SRCGW
	atf_check -s exit:0 -o ignore rump.ping6 -q -n -c 1 -X $TIMEOUT $IP6DST
	$DEBUG && rump.ifconfig -v shmif0

	export RUMP_SERVER=$SOCKDST
	$DEBUG && rump.ifconfig -v shmif0
	atf_check -s exit:0 -o ignore rump.ping6 -q -n -c 1 -X $TIMEOUT $IP6DSTGW
	atf_check -s exit:0 -o ignore rump.ping6 -q -n -c 1 -X $TIMEOUT $IP6SRC
	$DEBUG && rump.ifconfig -v shmif0
}

test_hoplimit()
{
	export RUMP_SERVER=$SOCKSRC
	$DEBUG && rump.ifconfig -v shmif0
	atf_check -s exit:0 -o ignore rump.ping6 -q -n -c 1 -h 1 -X $TIMEOUT $IP6SRCGW
	atf_check -s not-exit:0 -o match:'Time to live exceeded' \
	    rump.ping6 -v -n -c 1 -h 1 -X $TIMEOUT $IP6DST
	atf_check -s exit:0 -o ignore rump.ping6 -q -n -c 1 -h 2 -X $TIMEOUT $IP6DST
	$DEBUG && rump.ifconfig -v shmif0
}

setup_mtu()
{
	local mtu=$1

	export RUMP_SERVER=$SOCKFWD
	atf_check -s exit:0 rump.ifconfig shmif0 mtu $mtu
}

disable_mtudisc()
{
	local mtu=$1

	export RUMP_SERVER=$SOCKDST
	atf_check -s exit:0 -o ignore rump.sysctl -w -q net.inet.ip.mtudisc=0
}

ipforwarding_v4_body()
{
	setup
	test_setup

	setup_forwarding
	test_setup_forwarding
	test_ping_success

	teardown_forwarding
	test_teardown_forwarding
	test_ping_failure

	teardown_interfaces
}

ipforwarding_v6_body()
{
	setup6
	test_setup6

	setup_forwarding6
	test_setup_forwarding6
	test_ping6_success
	test_hoplimit

	teardown_forwarding6
	test_teardown_forwarding6
	test_ping6_failure

	teardown_interfaces
}

ipforwarding_fastforward_v4_body()
{
	setup
	test_setup

	setup_forwarding
	test_setup_forwarding

	touch $HTML_FILE
	start_httpd $SOCKDST $IP4DST
	$DEBUG && rump.netstat -a

	test_http_get $IP4DST

	teardown_interfaces
}

ipforwarding_fastforward_v6_body()
{
	setup6
	test_setup6

	setup_forwarding6
	test_setup_forwarding6

	touch $HTML_FILE
	start_httpd $SOCKDST $IP6DST
	$DEBUG && rump.netstat -a

	test_http_get "[$IP6DST]"

	teardown_interfaces
}

ipforwarding_misc_body()
{
	setup
	test_setup

	setup_forwarding
	test_setup_forwarding

	test_ping_ttl

	test_directed_broadcast

	touch $HTML_FILE
	start_httpd $SOCKDST $IP4DST
	$DEBUG && rump.netstat -a

	test_sysctl_ttl $IP4DST

	teardown_interfaces
	return 0
}

ipforwarding_fragment_v4_body()
{
	setup
	test_setup

	setup_forwarding
	test_setup_forwarding

	prepare_file $HTML_FILE
	start_httpd $SOCKDST $IP4DST
	$DEBUG && rump.netstat -a
	setup_mtu 1000
	disable_mtudisc

	extract_new_packets bus1 > ./out
	extract_new_packets bus2 > ./out

	test_http_get $IP4DST

	# Packets of MTU size sent from the server
	extract_new_packets bus2 > ./out
	atf_check -s exit:0 -o match:'length 1514' cat ./out

	# The packets are fragmented down to 1000
	extract_new_packets bus1 > ./out
	atf_check -s exit:0 -o match:'length 1010' cat ./out
	atf_check -s exit:0 -o match:'length 538' cat ./out

	teardown_interfaces
}

ipforwarding_v4_cleanup()
{
	$DEBUG && dump
	cleanup
}

ipforwarding_v6_cleanup()
{
	$DEBUG && dump
	cleanup
}

ipforwarding_fastforward_v4_cleanup()
{
	$DEBUG && dump
	stop_httpd
	cleanup
}

ipforwarding_fastforward_v6_cleanup()
{
	$DEBUG && dump
	stop_httpd
	cleanup
}

ipforwarding_misc_cleanup()
{
	$DEBUG && dump
	stop_httpd
	cleanup
}

ipforwarding_fragment_v4_cleanup()
{
	$DEBUG && dump
	stop_httpd
	cleanup
}

atf_init_test_cases()
{
	atf_add_test_case ipforwarding_v4
	atf_add_test_case ipforwarding_v6
	atf_add_test_case ipforwarding_fastforward_v4
	atf_add_test_case ipforwarding_fastforward_v6
	atf_add_test_case ipforwarding_misc
	atf_add_test_case ipforwarding_fragment_v4
}
