2 # Copyright (c) 2014 Spectra Logic Corporation
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
8 # 1. Redistributions of source code must retain the above copyright
9 # notice, this list of conditions, and the following disclaimer,
10 # without modification.
11 # 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 # substantially similar to the "NO WARRANTY" disclaimer below
13 # ("Disclaimer") and any redistribution must be conditioned upon
14 # including a substantially similar Disclaimer requirement for further
15 # binary redistribution.
18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 # HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 # STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 # IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 # POSSIBILITY OF SUCH DAMAGES.
30 # Authors: Alan Somers (Spectra Logic Corporation)
34 # All of the tests in this file requires the test-suite config variable "fibs"
35 # to be defined to a space-delimited list of FIBs that may be used for testing.
37 # arpresolve should check the interface fib for routes to a target when
38 # creating an ARP table entry. This is a regression for kern/167947, where
39 # arpresolve only checked the default route.
42 # Create two tap(4) interfaces
43 # Simulate a crossover cable between them by using net/socat
44 # Use nping (from security/nmap) to send an ICMP echo request from one
45 # interface to the other, spoofing the source IP. The source IP must be
46 # spoofed, or else it will already have an entry in the arp table.
47 # Check whether an arp entry exists for the spoofed IP
48 atf_test_case arpresolve_checks_interface_fib cleanup
49 arpresolve_checks_interface_fib_head()
51 atf_set "descr" "arpresolve should check the interface fib, not the default fib, for routes"
52 atf_set "require.user" "root"
53 atf_set "require.config" "fibs"
54 atf_set "require.progs" "socat nping"
56 arpresolve_checks_interface_fib_body()
58 # Configure the TAP interfaces to use a RFC5737 nonrouteable addresses
59 # and a non-default fib
63 # Due to bug TBD (regressed by multiple_fibs_on_same_subnet) we need
64 # diffferent subnet masks, or FIB1 won't have a subnet route.
67 # Spoof a MAC that is reserved per RFC7042
68 SPOOF_ADDR="192.0.2.4"
69 SPOOF_MAC="00:00:5E:00:53:00"
71 # Check system configuration
72 if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then
73 atf_skip "This test requires net.add_addr_allfibs=0"
77 # Configure TAP interfaces
78 setup_tap "$FIB0" ${ADDR0} ${MASK0}
80 setup_tap "$FIB1" ${ADDR1} ${MASK1}
83 # Simulate a crossover cable
84 socat /dev/${TAP0} /dev/${TAP1} &
86 echo ${SOCAT_PID} >> "processes_to_kill"
88 # Send an ICMP echo request with a spoofed source IP
89 setfib 2 nping -c 1 -e ${TAP0} -S ${SPOOF_ADDR} \
90 --source-mac ${SPOOF_MAC} --icmp --icmp-type "echo-request" \
91 --icmp-code 0 --icmp-id 0xdead --icmp-seq 1 --data 0xbeef \
93 # For informational and debugging purposes only, look for the
94 # characteristic error message
95 dmesg | grep "llinfo.*${SPOOF_ADDR}"
96 # Check that the ARP entry exists
97 atf_check -o match:"${SPOOF_ADDR}.*expires" setfib 3 arp ${SPOOF_ADDR}
99 arpresolve_checks_interface_fib_cleanup()
101 for PID in `cat "processes_to_kill"`; do
108 # Regression test for kern/187549
109 atf_test_case loopback_and_network_routes_on_nondefault_fib cleanup
110 loopback_and_network_routes_on_nondefault_fib_head()
112 atf_set "descr" "When creating and deleting loopback routes, use the interface's fib"
113 atf_set "require.user" "root"
114 atf_set "require.config" "fibs"
117 loopback_and_network_routes_on_nondefault_fib_body()
119 atf_expect_fail "kern/187549 Host and network routes for a new interface appear in the wrong FIB"
120 # Configure the TAP interface to use an RFC5737 nonrouteable address
121 # and a non-default fib
126 # Check system configuration
127 if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then
128 atf_skip "This test requires net.add_addr_allfibs=0"
132 # Configure a TAP interface
133 setup_tap ${FIB0} ${ADDR} ${MASK}
135 # Check whether the host route exists in only the correct FIB
136 setfib ${FIB0} netstat -rn -f inet | grep -q "^${ADDR}.*UHS.*lo0"
137 if [ 0 -ne $? ]; then
138 setfib ${FIB0} netstat -rn -f inet
139 atf_fail "Host route did not appear in the correct FIB"
141 setfib 0 netstat -rn -f inet | grep -q "^${ADDR}.*UHS.*lo0"
142 if [ 0 -eq $? ]; then
143 setfib 0 netstat -rn -f inet
144 atf_fail "Host route appeared in the wrong FIB"
147 # Check whether the network route exists in only the correct FIB
148 setfib ${FIB0} netstat -rn -f inet | \
149 grep -q "^${SUBNET}/${MASK}.*${TAPD}"
150 if [ 0 -ne $? ]; then
151 setfib ${FIB0} netstat -rn -f inet
152 atf_fail "Network route did not appear in the correct FIB"
154 setfib 0 netstat -rn -f inet | \
155 grep -q "^${SUBNET}/${MASK}.*${TAPD}"
156 if [ 0 -eq $? ]; then
157 setfib ${FIB0} netstat -rn -f inet
158 atf_fail "Network route appeared in the wrong FIB"
162 loopback_and_network_routes_on_nondefault_fib_cleanup()
168 # Regression test for kern/187552
169 atf_test_case default_route_with_multiple_fibs_on_same_subnet cleanup
170 default_route_with_multiple_fibs_on_same_subnet_head()
172 atf_set "descr" "Multiple interfaces on the same subnet but with different fibs can both have default routes"
173 atf_set "require.user" "root"
174 atf_set "require.config" "fibs"
177 default_route_with_multiple_fibs_on_same_subnet_body()
179 # Configure the TAP interfaces to use a RFC5737 nonrouteable addresses
180 # and a non-default fib
187 # Check system configuration
188 if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then
189 atf_skip "This test requires net.add_addr_allfibs=0"
193 # Configure TAP interfaces
194 setup_tap "$FIB0" ${ADDR0} ${MASK}
196 setup_tap "$FIB1" ${ADDR1} ${MASK}
199 # Attempt to add default routes
200 setfib ${FIB0} route add default ${GATEWAY}
201 setfib ${FIB1} route add default ${GATEWAY}
203 # Verify that the default route exists for both fibs, with their
204 # respective interfaces.
205 atf_check -o match:"^default.*${TAP0}$" \
206 setfib ${FIB0} netstat -rn -f inet
207 atf_check -o match:"^default.*${TAP1}$" \
208 setfib ${FIB1} netstat -rn -f inet
211 default_route_with_multiple_fibs_on_same_subnet_cleanup()
217 # Regression test for kern/187550
218 atf_test_case subnet_route_with_multiple_fibs_on_same_subnet cleanup
219 subnet_route_with_multiple_fibs_on_same_subnet_head()
221 atf_set "descr" "Multiple FIBs can have subnet routes for the same subnet"
222 atf_set "require.user" "root"
223 atf_set "require.config" "fibs"
226 subnet_route_with_multiple_fibs_on_same_subnet_body()
228 # Configure the TAP interfaces to use a RFC5737 nonrouteable addresses
229 # and a non-default fib
235 # Check system configuration
236 if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then
237 atf_skip "This test requires net.add_addr_allfibs=0"
241 # Configure TAP interfaces
242 setup_tap "$FIB0" ${ADDR0} ${MASK}
243 setup_tap "$FIB1" ${ADDR1} ${MASK}
245 # Check that a subnet route exists on both fibs
246 atf_check -o ignore setfib "$FIB0" route get $ADDR1
247 atf_check -o ignore setfib "$FIB1" route get $ADDR0
250 subnet_route_with_multiple_fibs_on_same_subnet_cleanup()
255 # Test that source address selection works correctly for UDP packets with
256 # SO_DONTROUTE set that are sent on non-default FIBs.
257 # This bug was discovered with "setfib 1 netperf -t UDP_STREAM -H some_host"
258 # Regression test for kern/187553
260 # The root cause was that ifa_ifwithnet() did not have a fib argument. It
261 # would return an address from an interface on any FIB that had a subnet route
262 # for the destination. If more than one were available, it would choose the
263 # most specific. This is most easily tested by creating a FIB without a
264 # default route, then trying to send a UDP packet with SO_DONTROUTE set to an
265 # address which is not routable on that FIB. Absent the fix for this bug,
266 # in_pcbladdr would choose an interface on any FIB with a default route. With
267 # the fix, you will get EUNREACH or ENETUNREACH.
268 atf_test_case udp_dontroute cleanup
271 atf_set "descr" "Source address selection for UDP packets with SO_DONTROUTE on non-default FIBs works"
272 atf_set "require.user" "root"
273 atf_set "require.config" "fibs"
278 atf_expect_fail "kern/187553 Source address selection for UDP packets with SO_DONTROUTE uses the default FIB"
279 # Configure the TAP interface to use an RFC5737 nonrouteable address
280 # and a non-default fib
285 # Use a different IP on the same subnet as the target
287 SRCDIR=`atf_get_srcdir`
289 # Check system configuration
290 if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then
291 atf_skip "This test requires net.add_addr_allfibs=0"
295 # Configure the TAP interfaces
296 setup_tap ${FIB0} ${ADDR0} ${MASK}
298 setup_tap ${FIB1} ${ADDR1} ${MASK}
300 # Send a UDP packet with SO_DONTROUTE. In the failure case, it will
301 # return ENETUNREACH, or send the packet to the wrong tap
302 atf_check -o ignore setfib ${FIB0} \
303 ${SRCDIR}/udp_dontroute ${TARGET} /dev/${TARGET_TAP}
306 # Repeat, but this time target the other tap
307 setup_tap ${FIB0} ${ADDR0} ${MASK}
308 setup_tap ${FIB1} ${ADDR1} ${MASK}
311 atf_check -o ignore setfib ${FIB1} \
312 ${SRCDIR}/udp_dontroute ${TARGET} /dev/${TARGET_TAP}
315 udp_dontroute_cleanup()
321 atf_init_test_cases()
323 atf_add_test_case arpresolve_checks_interface_fib
324 atf_add_test_case loopback_and_network_routes_on_nondefault_fib
325 atf_add_test_case default_route_with_multiple_fibs_on_same_subnet
326 atf_add_test_case subnet_route_with_multiple_fibs_on_same_subnet
327 atf_add_test_case udp_dontroute
330 # Looks up one or more fibs from the configuration data and validates them.
331 # Returns the results in the env varilables FIB0, FIB1, etc.
333 # parameter numfibs The number of fibs to lookup
337 net_fibs=`sysctl -n net.fibs`
339 while [ $i -lt "$NUMFIBS" ]; do
340 fib=`atf_config_get "fibs" | \
341 awk -v i=$(( i + 1 )) '{print $i}'`
344 if [ "$fib" -ge "$net_fibs" ]; then
345 atf_skip "The ${i}th configured fib is ${fib}, which is not less than net.fibs, which is ${net_fibs}"
351 # Creates a new tap(4) interface, registers it for cleanup, and returns the
352 # name via the environment variable TAP
356 while ! ifconfig tap${TAPN} create > /dev/null 2>&1; do
357 if [ "$TAPN" -ge 8 ]; then
358 atf_skip "Could not create a tap(4) interface"
363 local TAPD=tap${TAPN}
364 # Record the TAP device so we can clean it up later
365 echo ${TAPD} >> "tap_devices_to_cleanup"
369 # Create a tap(4) interface, configure it, and register it for cleanup.
373 # Netmask in number of bits (eg 24 or 8)
374 # Return: the tap interface name as the env variable TAP
381 echo setfib ${FIB} ifconfig $TAP ${ADDR}/${MASK} fib $FIB
382 setfib ${FIB} ifconfig $TAP ${ADDR}/${MASK} fib $FIB
387 for TAPD in `cat "tap_devices_to_cleanup"`; do
388 ifconfig ${TAPD} destroy
390 rm "tap_devices_to_cleanup"