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|
# $NetBSD: t_route.sh,v 1.15 2022/09/20 02:25:07 knakahara 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.
#
# non_subnet_gateway
SOCK_CLIENT=unix://commsock1
SOCK_GW=unix://commsock2
BUS=bus1
# command_get
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
BUS_SRCGW=bus1
BUS_DSTGW=bus2
# command_add
SOCKHOST=unix://commsock1
DEBUG=${DEBUG:-false}
TIMEOUT=1
PING_OPTS="-n -c 1 -w $TIMEOUT"
atf_test_case route_non_subnet_gateway cleanup
route_non_subnet_gateway_head()
{
atf_set "descr" "tests of a gateway not on the local subnet"
atf_set "require.progs" "rump_server"
}
route_non_subnet_gateway_body()
{
rump_server_start $SOCK_CLIENT
rump_server_start $SOCK_GW
export RUMP_SERVER=${SOCK_GW}
rump_server_add_iface $SOCK_GW shmif0 $BUS
atf_check -s exit:0 rump.ifconfig shmif0 192.168.0.1
atf_check -s exit:0 rump.ifconfig shmif0 up
# The gateway knows the client
atf_check -s exit:0 -o match:'add net 10.0.0.1: gateway shmif0' \
rump.route add -net 10.0.0.1/32 -link -cloning -iface shmif0
$DEBUG && rump.netstat -nr -f inet
export RUMP_SERVER=${SOCK_CLIENT}
rump_server_add_iface $SOCK_CLIENT shmif0 $BUS
atf_check -s exit:0 rump.ifconfig shmif0 10.0.0.1/32
atf_check -s exit:0 rump.ifconfig shmif0 up
atf_check -s exit:0 rump.ifconfig -w 10
$DEBUG && rump.netstat -nr -f inet
# Don't know a route to the gateway yet
atf_check -s not-exit:0 -o match:'100.0% packet loss' \
-e match:'No route to host' rump.ping $PING_OPTS 192.168.0.1
# Teach a route to the gateway
atf_check -s exit:0 -o match:'add net 192.168.0.1: gateway shmif0' \
rump.route add -net 192.168.0.1/32 -link -cloning -iface shmif0
atf_check -s exit:0 -o match:'add net default: gateway 192.168.0.1' \
rump.route add default -ifa 10.0.0.1 192.168.0.1
$DEBUG && rump.netstat -nr -f inet
# Be reachable to the gateway
atf_check -s exit:0 -o ignore rump.ping $PING_OPTS 192.168.0.1
rump_server_destroy_ifaces
}
route_non_subnet_gateway_cleanup()
{
$DEBUG && dump
cleanup
}
atf_test_case route_command_get cleanup
atf_test_case route_command_get6 cleanup
route_command_get_head()
{
atf_set "descr" "tests of route get command"
atf_set "require.progs" "rump_server"
}
route_command_get6_head()
{
atf_set "descr" "tests of route get command (IPv6)"
atf_set "require.progs" "rump_server"
}
setup_endpoint()
{
local sock=${1}
local addr=${2}
local bus=${3}
local mode=${4}
local gw=${5}
export RUMP_SERVER=${sock}
rump_server_add_iface $sock shmif0 $bus
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
atf_check -s exit:0 rump.ifconfig -w 10
if $DEBUG; then
rump.ifconfig shmif0
rump.netstat -nr
fi
}
setup_forwarder()
{
mode=${1}
rump_server_add_iface $SOCKFWD shmif0 $BUS_SRCGW
rump_server_add_iface $SOCKFWD shmif1 $BUS_DSTGW
export RUMP_SERVER=$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
atf_check -s exit:0 rump.ifconfig -w 10
if $DEBUG; then
rump.netstat -nr
if [ $mode = "ipv6" ]; then
rump.sysctl net.inet6.ip6.forwarding
else
rump.sysctl net.inet.ip.forwarding
fi
fi
}
setup_forwarding()
{
export RUMP_SERVER=$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()
{
rump_server_start $SOCKSRC
rump_server_start $SOCKFWD
rump_server_start $SOCKDST
setup_endpoint $SOCKSRC $IP4SRC $BUS_SRCGW ipv4 $IP4SRCGW
setup_endpoint $SOCKDST $IP4DST $BUS_DSTGW 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 $BUS_SRCGW ipv6 $IP6SRCGW
setup_endpoint $SOCKDST $IP6DST $BUS_DSTGW ipv6 $IP6DSTGW
setup_forwarder ipv6
}
test_route_get()
{
export RUMP_SERVER=$SOCKSRC
$DEBUG && rump.netstat -nr -f inet
$DEBUG && rump.arp -n -a
# Make sure an ARP cache to the gateway doesn't exist
rump.arp -d $IP4SRCGW
# Local
cat >./expect <<-EOF
route to: 10.0.1.2
destination: 10.0.1.2
local addr: 10.0.1.2
interface: lo0
flags: 0x40045<UP,HOST,DONE,LOCAL>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire
EOF
rump.route -n get $IP4SRC > ./output
$DEBUG && cat ./expect ./output
# XXX: omit the last line because expire is unstable on rump kernel.
sed -i '$d' ./output
atf_check -s exit:0 diff ./expect ./output
# Neighbor
cat >./expect <<-EOF
route to: 10.0.1.1
destination: 10.0.1.0
mask: 255.255.255.0
local addr: 10.0.1.2
interface: shmif0
flags: 0x141<UP,DONE,CONNECTED>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire
EOF
rump.route -n get $IP4SRCGW > ./output
$DEBUG && cat ./expect ./output
sed -i '$d' ./output
atf_check -s exit:0 diff ./expect ./output
# Remote host
cat >./expect <<-EOF
route to: 10.0.2.2
destination: default
mask: default
gateway: 10.0.1.1
local addr: 10.0.1.2
interface: shmif0
flags: 0x843<UP,GATEWAY,DONE,STATIC>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire
EOF
rump.route -n get $IP4DST > ./output
$DEBUG && cat ./expect ./output
sed -i '$d' ./output
atf_check -s exit:0 diff ./expect ./output
# Create a ARP cache
atf_check -s exit:0 -o ignore rump.ping -q -n -w $TIMEOUT -c 1 $IP4SRCGW
# Neighbor with a cache (no different from w/o cache)
cat >./expect <<-EOF
route to: 10.0.1.1
destination: 10.0.1.0
mask: 255.255.255.0
local addr: 10.0.1.2
interface: shmif0
flags: 0x141<UP,DONE,CONNECTED>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire
EOF
rump.route -n get $IP4SRCGW > ./output
$DEBUG && cat ./expect ./output
sed -i '$d' ./output
atf_check -s exit:0 diff ./expect ./output
}
test_route_get6()
{
export RUMP_SERVER=$SOCKSRC
$DEBUG && rump.netstat -nr -f inet
$DEBUG && rump.ndp -n -a
# Make sure an ARP cache to the gateway doesn't exist
rump.ndp -d $IP6SRCGW
# Local
cat >./expect <<-EOF
route to: fc00:0:0:1::2
destination: fc00:0:0:1::2
local addr: fc00:0:0:1::2
interface: lo0
flags: 0x40045<UP,HOST,DONE,LOCAL>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire
EOF
rump.route -n get -inet6 $IP6SRC > ./output
$DEBUG && cat ./expect ./output
sed -i '$d' ./output
atf_check -s exit:0 diff ./expect ./output
# Neighbor
cat >./expect <<-EOF
route to: fc00:0:0:1::1
destination: fc00:0:0:1::
mask: ffff:ffff:ffff:ffff::
local addr: fc00:0:0:1::2
interface: shmif0
flags: 0x141<UP,DONE,CONNECTED>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire
EOF
rump.route -n get -inet6 $IP6SRCGW > ./output
$DEBUG && cat ./expect ./output
sed -i '$d' ./output
atf_check -s exit:0 diff ./expect ./output
# Remote host
cat >./expect <<-EOF
route to: fc00:0:0:2::2
destination: ::
mask: default
gateway: fc00:0:0:1::1
local addr: fc00:0:0:1::2
interface: shmif0
flags: 0x843<UP,GATEWAY,DONE,STATIC>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire
EOF
rump.route -n get -inet6 $IP6DST > ./output
$DEBUG && cat ./expect ./output
sed -i '$d' ./output
atf_check -s exit:0 diff ./expect ./output
# Create a NDP cache
atf_check -s exit:0 -o ignore rump.ping6 -n -c 1 -X $TIMEOUT $IP6SRCGW
# Neighbor with a cache (no different from w/o cache)
cat >./expect <<-EOF
route to: fc00:0:0:1::1
destination: fc00:0:0:1::
mask: ffff:ffff:ffff:ffff::
local addr: fc00:0:0:1::2
interface: shmif0
flags: 0x141<UP,DONE,CONNECTED>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire
EOF
rump.route -n get -inet6 $IP6SRCGW > ./output
$DEBUG && cat ./expect ./output
sed -i '$d' ./output
atf_check -s exit:0 diff ./expect ./output
}
route_command_get_body()
{
setup
setup_forwarding
test_route_get
rump_server_destroy_ifaces
}
route_command_get6_body()
{
setup6
setup_forwarding6
test_route_get6
rump_server_destroy_ifaces
}
route_command_get_cleanup()
{
$DEBUG && dump
cleanup
}
route_command_get6_cleanup()
{
$DEBUG && dump
cleanup
}
atf_test_case route_default_reject cleanup
route_default_reject_head()
{
atf_set "descr" "tests for making a default route reject"
atf_set "require.progs" "rump_server"
}
route_default_reject_body()
{
rump_server_start $SOCKSRC netinet6
rump_server_add_iface $SOCKSRC shmif0 $BUS_SRCGW
export RUMP_SERVER=$SOCKSRC
# From /etc/rc.d/network
atf_check -s exit:0 -o match:'add net ::0.0.0.0: gateway ::1' \
rump.route add -inet6 ::0.0.0.0 -prefixlen 104 ::1 -reject
atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6SRC/64 up
$DEBUG && rump.netstat -nr -f inet6
atf_check -s exit:0 -o match:"add net default: gateway $IP6SRCGW" \
rump.route add -inet6 default $IP6SRCGW
$DEBUG && rump.netstat -nr -f inet6
$DEBUG && rump.route -n get -inet6 default
atf_check -s exit:0 -o match:'change net default' \
rump.route change -inet6 default -reject
$DEBUG && rump.netstat -nr -f inet6
rump_server_destroy_ifaces
}
route_default_reject_cleanup()
{
$DEBUG && dump
cleanup
}
atf_test_case route_command_add cleanup
route_command_add_head()
{
atf_set "descr" "tests of route add command"
atf_set "require.progs" "rump_server"
}
route_command_add_body()
{
rump_server_start $SOCKHOST
export RUMP_SERVER=${SOCKHOST}
rump_server_add_iface $SOCKHOST shmif0 $BUS
atf_check -s exit:0 rump.ifconfig shmif0 10.0.0.1/24
# Accept the route whose gateway is in a subnet of interface address
atf_check -s exit:0 -o ignore rump.route add \
-net 10.0.1.0/24 10.0.0.2
atf_check -s exit:0 -o ignore rump.route add \
-host 10.0.2.1 10.0.0.3
# Accept the route whose gateway is an interface
atf_check -s exit:0 -o ignore rump.route add \
-net 10.0.3.0/24 -connected -link -iface shmif0
# Accept the route whose gateway is reachable and not RTF_GATEWAY
atf_check -s exit:0 -o ignore rump.route add \
-net 10.0.4.0/24 10.0.3.1
# Don't accept the route whose destination is reachable and
# gateway is unreachable
atf_check -s not-exit:0 -o ignore -e match:'unreachable' rump.route add \
-net 10.0.1.0/26 10.0.5.1
# Don't accept the route whose gateway is reachable and RTF_GATEWAY
atf_check -s not-exit:0 -o ignore -e ignore rump.route add \
-net 10.0.6.0/24 10.0.1.1
rump_server_destroy_ifaces
}
route_command_add_cleanup()
{
$DEBUG && dump
cleanup
}
atf_test_case route_command_add6 cleanup
route_command_add6_head()
{
atf_set "descr" "tests of route add command (IPv6)"
atf_set "require.progs" "rump_server"
}
route_command_add6_body()
{
rump_server_start $SOCKHOST netinet6
export RUMP_SERVER=${SOCKHOST}
rump_server_add_iface $SOCKHOST shmif0 $BUS
atf_check -s exit:0 rump.ifconfig shmif0 inet6 fc00::1/64
# Accept the route whose gateway is in a subnet of interface address
atf_check -s exit:0 -o ignore rump.route add -inet6\
-net fc00:1::0/64 fc00::2
atf_check -s exit:0 -o ignore rump.route add -inet6\
-host fc00:2::1 fc00::3
# Accept the route whose gateway is an interface
atf_check -s exit:0 -o ignore rump.route add -inet6\
-net fc00:3::0/64 -connected -link -iface shmif0
# Accept the route whose gateway is reachable and not RTF_GATEWAY
atf_check -s exit:0 -o ignore rump.route add -inet6\
-net fc00:4::0/64 fc00:3::1
# Don't accept the route whose destination is reachable and
# gateway is unreachable
atf_check -s not-exit:0 -o ignore -e match:'unreachable' rump.route add \
-inet6 -net fc00::4/128 fc00:5::1
# Don't accept the route whose gateway is reachable and RTF_GATEWAY
atf_check -s not-exit:0 -o ignore -e match:'unreachable' rump.route add \
-inet6 -net fc00:6::0/64 fc00:1::1
rump_server_destroy_ifaces
}
route_command_add6_cleanup()
{
$DEBUG && dump
cleanup
}
test_route_address_removal()
{
rump_server_start $SOCKHOST netinet6
export RUMP_SERVER=${SOCKHOST}
rump_server_add_iface $SOCKHOST shmif0 $BUS
#
# 1. test auto removal of a route that depends a removing address
#
atf_check -s exit:0 rump.ifconfig shmif0 $af $addr1/$prefix
atf_check -s exit:0 -o match:"add net $alt_net(/$prefix)?: gateway $addrgw" \
rump.route -n add -$af -net $alt_net/$prefix $addrgw
$DEBUG && rump.netstat -nr -f $af
atf_check -s exit:0 rump.ifconfig shmif0 $af $addr1 delete
$DEBUG && rump.netstat -nr -f $af
# The route should be deleted on the address removal
atf_check -s not-exit:0 -e match:"writing to routing socket: not in table" \
rump.route -n get -$af $alt_addr
#
# 2. test auto update of a route that depends a removing address where
# there is another address with the same prefix sharing a connected
# route
#
atf_check -s exit:0 rump.ifconfig shmif0 $af $addr1/$prefix
atf_check -s exit:0 rump.ifconfig shmif0 $af $addr2/$prefix alias
atf_check -s exit:0 -o match:"add net $alt_net(/$prefix)?: gateway $addrgw" \
rump.route -n add -$af -net $alt_net/$prefix $addrgw
$DEBUG && rump.netstat -nr -f $af
atf_check -s exit:0 -o match:"local addr: $addr1" \
rump.route -n get -$af $addrgw
atf_check -s exit:0 -o match:"local addr: $addr1" \
rump.route -n get -$af $alt_addr
atf_check -s exit:0 rump.ifconfig shmif0 $af $addr1 delete
$DEBUG && rump.netstat -nr -f $af
# local addr (rt_ifa) of the connected route should be changed
# on the address removal
atf_check -s exit:0 -o match:"local addr: $addr2" \
rump.route -n get -$af $addrgw
# local addr (rt_ifa) of the related route should be changed
# on the address removal too
atf_check -s exit:0 -o match:"local addr: $addr2" \
rump.route -n get -$af $alt_addr
# cleanup
atf_check -s exit:0 rump.ifconfig shmif0 $af $addr2 delete
#
# 3. test auto update of a route that depends a removing address where
# there is another address with a different (short) prefix
#
atf_check -s exit:0 rump.ifconfig shmif0 $af $addr1/$prefix
atf_check -s exit:0 rump.ifconfig shmif0 $af $addr2/$prefix_short alias
atf_check -s exit:0 -o match:"add net $alt_net(/$prefix)?: gateway $addrgw" \
rump.route -n add -$af -net $alt_net/$prefix $addrgw
$DEBUG && rump.netstat -nr -f $af
atf_check -s exit:0 -o match:"local addr: $addr1" \
rump.route -n get -$af $addrgw
atf_check -s exit:0 -o match:"local addr: $addr1" \
rump.route -n get -$af $alt_addr
atf_check -s exit:0 rump.ifconfig shmif0 $af $addr1 delete
$DEBUG && rump.netstat -nr -f $af
# local addr (rt_ifa) of the connected route should be changed
# on the address removal
atf_check -s exit:0 -o match:"local addr: $addr2" \
rump.route -n get -$af $addrgw
if [ $af = inet ]; then
# local addr (rt_ifa) of the related route should be changed
# on the address removal too
atf_check -s exit:0 -o match:"local addr: $addr2" \
rump.route -n get -$af $alt_addr
else
# For IPv6, each address has its own connected route so the
# address removal just results in a removal of the related route
atf_check -s not-exit:0 \
-e match:"writing to routing socket: not in table" \
rump.route -n get -$af $alt_addr
fi
rump_server_destroy_ifaces
}
atf_test_case route_address_removal cleanup
route_address_removal_head()
{
atf_set "descr" "tests of auto removal/update of routes on address removal (IPv4)"
atf_set "require.progs" "rump_server"
}
route_address_removal_body()
{
local addr1=10.0.0.1
local addr2=10.0.0.2
local addrgw=10.0.0.3
local prefix=24
local prefix_short=16
local alt_net=10.0.1.0
local alt_addr=10.0.1.1
local af=inet
test_route_address_removal
}
route_address_removal_cleanup()
{
$DEBUG && dump
cleanup
}
atf_test_case route_address_removal6 cleanup
route_address_removal6_head()
{
atf_set "descr" "tests of auto removal/update of routes on address removal (IPv6)"
atf_set "require.progs" "rump_server"
}
route_address_removal6_body()
{
local addr1=fd00::1
local addr2=fd00::2
local addrgw=fd00::3
local prefix=64
local prefix_short=32
local alt_net=fd00:1::0
local alt_addr=fd00:1::1
local af=inet6
test_route_address_removal
}
route_address_removal6_cleanup()
{
$DEBUG && dump
cleanup
}
atf_init_test_cases()
{
atf_add_test_case route_non_subnet_gateway
atf_add_test_case route_command_get
atf_add_test_case route_command_get6
atf_add_test_case route_default_reject
atf_add_test_case route_command_add
atf_add_test_case route_command_add6
atf_add_test_case route_address_removal
atf_add_test_case route_address_removal6
}
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