# # Copyright (c) 2014 Spectra Logic Corporation # 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, # without modification. # 2. Redistributions in binary form must reproduce at minimum a disclaimer # substantially similar to the "NO WARRANTY" disclaimer below # ("Disclaimer") and any redistribution must be conditioned upon # including a substantially similar Disclaimer requirement for further # binary redistribution. # # NO WARRANTY # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES. # # Authors: Alan Somers (Spectra Logic Corporation) # # $FreeBSD$ # All of the tests in this file requires the test-suite config variable "fibs" # to be defined to a space-delimited list of FIBs that may be used for testing. # arpresolve should check the interface fib for routes to a target when # creating an ARP table entry. This is a regression for kern/167947, where # arpresolve only checked the default route. # # Outline: # Create two connected epair(4) interfaces # Use nping (from security/nmap) to send an ICMP echo request from one # interface to the other, spoofing the source IP. The source IP must be # spoofed, or else it will already have an entry in the arp table. # Check whether an arp entry exists for the spoofed IP atf_test_case arpresolve_checks_interface_fib cleanup arpresolve_checks_interface_fib_head() { atf_set "descr" "arpresolve should check the interface fib, not the default fib, for routes" atf_set "require.user" "root" atf_set "require.config" "fibs" atf_set "require.progs" "nping" } arpresolve_checks_interface_fib_body() { # Configure the TAP interfaces to use a RFC5737 nonrouteable addresses # and a non-default fib ADDR0="192.0.2.2" ADDR1="192.0.2.3" SUBNET="192.0.2.0" # Due to bug TBD (regressed by multiple_fibs_on_same_subnet) we need # diffferent subnet masks, or FIB1 won't have a subnet route. MASK0="24" MASK1="25" # Spoof a MAC that is reserved per RFC7042 SPOOF_ADDR="192.0.2.4" SPOOF_MAC="00:00:5E:00:53:00" # Check system configuration if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then atf_skip "This test requires net.add_addr_allfibs=0" fi get_fibs 2 # Configure epair interfaces get_epair setup_iface "$EPAIRA" "$FIB0" inet ${ADDR0} ${MASK0} setup_iface "$EPAIRB" "$FIB1" inet ${ADDR1} ${MASK1} # Send an ICMP echo request with a spoofed source IP setfib "$FIB0" nping -c 1 -e ${EPAIRA} -S ${SPOOF_ADDR} \ --source-mac ${SPOOF_MAC} --icmp --icmp-type "echo-request" \ --icmp-code 0 --icmp-id 0xdead --icmp-seq 1 --data 0xbeef \ ${ADDR1} # For informational and debugging purposes only, look for the # characteristic error message dmesg | grep "llinfo.*${SPOOF_ADDR}" # Check that the ARP entry exists atf_check -o match:"${SPOOF_ADDR}.*expires" setfib "$FIB1" arp ${SPOOF_ADDR} } arpresolve_checks_interface_fib_cleanup() { cleanup_ifaces } # Regression test for kern/187549 atf_test_case loopback_and_network_routes_on_nondefault_fib cleanup loopback_and_network_routes_on_nondefault_fib_head() { atf_set "descr" "When creating and deleting loopback IPv4 routes, use the interface's fib" atf_set "require.user" "root" atf_set "require.config" "fibs" } loopback_and_network_routes_on_nondefault_fib_body() { # Configure the TAP interface to use an RFC5737 nonrouteable address # and a non-default fib ADDR="192.0.2.2" SUBNET="192.0.2.0" MASK="24" # Check system configuration if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then atf_skip "This test requires net.add_addr_allfibs=0" fi get_fibs 1 # Configure a TAP interface setup_tap ${FIB0} inet ${ADDR} ${MASK} # Check whether the host route exists in only the correct FIB setfib ${FIB0} netstat -rn -f inet | grep -q "^${ADDR}.*UHS.*lo0" if [ 0 -ne $? ]; then setfib ${FIB0} netstat -rn -f inet atf_fail "Host route did not appear in the correct FIB" fi setfib 0 netstat -rn -f inet | grep -q "^${ADDR}.*UHS.*lo0" if [ 0 -eq $? ]; then setfib 0 netstat -rn -f inet atf_fail "Host route appeared in the wrong FIB" fi # Check whether the network route exists in only the correct FIB setfib ${FIB0} netstat -rn -f inet | \ grep -q "^${SUBNET}/${MASK}.*${TAPD}" if [ 0 -ne $? ]; then setfib ${FIB0} netstat -rn -f inet atf_fail "Network route did not appear in the correct FIB" fi setfib 0 netstat -rn -f inet | \ grep -q "^${SUBNET}/${MASK}.*${TAPD}" if [ 0 -eq $? ]; then setfib 0 netstat -rn -f inet atf_fail "Network route appeared in the wrong FIB" fi } loopback_and_network_routes_on_nondefault_fib_cleanup() { cleanup_ifaces } atf_test_case loopback_and_network_routes_on_nondefault_fib_inet6 cleanup loopback_and_network_routes_on_nondefault_fib_inet6_head() { atf_set "descr" "When creating and deleting loopback IPv6 routes, use the interface's fib" atf_set "require.user" "root" atf_set "require.config" "fibs" } loopback_and_network_routes_on_nondefault_fib_inet6_body() { # Configure the TAP interface to use a nonrouteable RFC3849 # address and a non-default fib ADDR="2001:db8::2" SUBNET="2001:db8::" MASK="64" # Check system configuration if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then atf_skip "This test requires net.add_addr_allfibs=0" fi get_fibs 1 # Configure a TAP interface setup_tap ${FIB0} inet6 ${ADDR} ${MASK} # Check whether the host route exists in only the correct FIB setfib ${FIB0} netstat -rn -f inet6 | grep -q "^${ADDR}.*UHS.*lo0" if [ 0 -ne $? ]; then setfib ${FIB0} netstat -rn -f inet6 atf_fail "Host route did not appear in the correct FIB" fi setfib 0 netstat -rn -f inet6 | grep -q "^${ADDR}.*UHS.*lo0" if [ 0 -eq $? ]; then setfib 0 netstat -rn -f inet6 atf_fail "Host route appeared in the wrong FIB" fi # Check whether the network route exists in only the correct FIB setfib ${FIB0} netstat -rn -f inet6 | \ grep -q "^${SUBNET}/${MASK}.*${TAPD}" if [ 0 -ne $? ]; then setfib ${FIB0} netstat -rn -f inet6 atf_fail "Network route did not appear in the correct FIB" fi setfib 0 netstat -rn -f inet6 | \ grep -q "^${SUBNET}/${MASK}.*${TAPD}" if [ 0 -eq $? ]; then setfib 0 netstat -rn -f inet6 atf_fail "Network route appeared in the wrong FIB" fi } loopback_and_network_routes_on_nondefault_fib_inet6_cleanup() { cleanup_ifaces } # Regression test for kern/187552 atf_test_case default_route_with_multiple_fibs_on_same_subnet cleanup default_route_with_multiple_fibs_on_same_subnet_head() { atf_set "descr" "Multiple interfaces on the same subnet but with different fibs can both have default IPv4 routes" atf_set "require.user" "root" atf_set "require.config" "fibs" } default_route_with_multiple_fibs_on_same_subnet_body() { # Configure the TAP interfaces to use a RFC5737 nonrouteable addresses # and a non-default fib ADDR0="192.0.2.2" ADDR1="192.0.2.3" GATEWAY="192.0.2.1" SUBNET="192.0.2.0" MASK="24" # Check system configuration if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then atf_skip "This test requires net.add_addr_allfibs=0" fi get_fibs 2 # Configure TAP interfaces setup_tap "$FIB0" inet ${ADDR0} ${MASK} TAP0=$TAP setup_tap "$FIB1" inet ${ADDR1} ${MASK} TAP1=$TAP # Attempt to add default routes setfib ${FIB0} route add default ${GATEWAY} setfib ${FIB1} route add default ${GATEWAY} # Verify that the default route exists for both fibs, with their # respective interfaces. atf_check -o match:"^default.*${TAP0}$" \ setfib ${FIB0} netstat -rn -f inet atf_check -o match:"^default.*${TAP1}$" \ setfib ${FIB1} netstat -rn -f inet } default_route_with_multiple_fibs_on_same_subnet_cleanup() { cleanup_ifaces } atf_test_case default_route_with_multiple_fibs_on_same_subnet_inet6 cleanup default_route_with_multiple_fibs_on_same_subnet_inet6_head() { atf_set "descr" "Multiple interfaces on the same subnet but with different fibs can both have default IPv6 routes" atf_set "require.user" "root" atf_set "require.config" "fibs" } default_route_with_multiple_fibs_on_same_subnet_inet6_body() { # Configure the TAP interfaces to use nonrouteable RFC3849 # addresses and non-default FIBs ADDR0="2001:db8::2" ADDR1="2001:db8::3" GATEWAY="2001:db8::1" SUBNET="2001:db8::" MASK="64" # Check system configuration if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then atf_skip "This test requires net.add_addr_allfibs=0" fi get_fibs 2 # Configure TAP interfaces setup_tap "$FIB0" inet6 ${ADDR0} ${MASK} TAP0=$TAP setup_tap "$FIB1" inet6 ${ADDR1} ${MASK} TAP1=$TAP # Attempt to add default routes setfib ${FIB0} route -6 add default ${GATEWAY} setfib ${FIB1} route -6 add default ${GATEWAY} # Verify that the default route exists for both fibs, with their # respective interfaces. atf_check -o match:"^default.*${TAP0}$" \ setfib ${FIB0} netstat -rn -f inet6 atf_check -o match:"^default.*${TAP1}$" \ setfib ${FIB1} netstat -rn -f inet6 } default_route_with_multiple_fibs_on_same_subnet_inet6_cleanup() { cleanup_ifaces } # Regression test for PR kern/189089 # Create two tap interfaces and assign them both the same IP address but with # different netmasks, and both on the default FIB. Then remove one's IP # address. Hopefully the machine won't panic. atf_test_case same_ip_multiple_ifaces_fib0 cleanup same_ip_multiple_ifaces_fib0_head() { atf_set "descr" "Can remove an IPv4 alias from an interface when the same IPv4 is also assigned to another interface." atf_set "require.user" "root" atf_set "require.config" "fibs" } same_ip_multiple_ifaces_fib0_body() { ADDR="192.0.2.2" MASK0="24" MASK1="32" # Unlike most of the tests in this file, this is applicable regardless # of net.add_addr_allfibs # Setup the interfaces, then remove one alias. It should not panic. setup_tap 0 inet ${ADDR} ${MASK0} TAP0=${TAP} setup_tap 0 inet ${ADDR} ${MASK1} TAP1=${TAP} ifconfig ${TAP1} -alias ${ADDR} # Do it again, in the opposite order. It should not panic. setup_tap 0 inet ${ADDR} ${MASK0} TAP0=${TAP} setup_tap 0 inet ${ADDR} ${MASK1} TAP1=${TAP} ifconfig ${TAP0} -alias ${ADDR} } same_ip_multiple_ifaces_fib0_cleanup() { cleanup_ifaces } # Regression test for PR kern/189088 # Test that removing an IP address works even if the same IP is assigned to a # different interface, on a different FIB. Tests the same code that whose # panic was regressed by same_ip_multiple_ifaces_fib0. # Create two tap interfaces and assign them both the same IP address but with # different netmasks, and on different FIBs. Then remove one's IP # address. Hopefully the machine won't panic. Also, the IP's hostroute should # dissappear from the correct fib. atf_test_case same_ip_multiple_ifaces cleanup same_ip_multiple_ifaces_head() { atf_set "descr" "Can remove an IPv4 alias from an interface when the same address is also assigned to another interface, on non-default FIBs." atf_set "require.user" "root" atf_set "require.config" "fibs" } same_ip_multiple_ifaces_body() { atf_expect_fail "kern/189088 Assigning the same IP to multiple interfaces in different FIBs creates a host route for only one" ADDR="192.0.2.2" MASK0="24" MASK1="32" # Unlike most of the tests in this file, this is applicable regardless # of net.add_addr_allfibs get_fibs 2 # Setup the interfaces, then remove one alias. It should not panic. setup_tap ${FIB0} inet ${ADDR} ${MASK0} TAP0=${TAP} setup_tap ${FIB1} inet ${ADDR} ${MASK1} TAP1=${TAP} ifconfig ${TAP1} -alias ${ADDR} atf_check -o not-match:"^${ADDR}[[:space:]]" \ setfib ${FIB1} netstat -rn -f inet # Do it again, in the opposite order. It should not panic. setup_tap ${FIB0} inet ${ADDR} ${MASK0} TAP0=${TAP} setup_tap ${FIB1} inet ${ADDR} ${MASK1} TAP1=${TAP} ifconfig ${TAP0} -alias ${ADDR} atf_check -o not-match:"^${ADDR}[[:space:]]" \ setfib ${FIB0} netstat -rn -f inet } same_ip_multiple_ifaces_cleanup() { # Due to PR kern/189088, we must destroy the interfaces in LIFO order # in order for the routes to be correctly cleaned up. for TAPD in `tail -r "ifaces_to_cleanup"`; do echo ifconfig ${TAPD} destroy ifconfig ${TAPD} destroy done } atf_test_case same_ip_multiple_ifaces_inet6 cleanup same_ip_multiple_ifaces_inet6_head() { atf_set "descr" "Can remove an IPv6 alias from an interface when the same address is also assigned to another interface, on non-default FIBs." atf_set "require.user" "root" atf_set "require.config" "fibs" } same_ip_multiple_ifaces_inet6_body() { ADDR="2001:db8::2" MASK0="64" MASK1="128" # Unlike most of the tests in this file, this is applicable regardless # of net.add_addr_allfibs get_fibs 2 # Setup the interfaces, then remove one alias. It should not panic. setup_tap ${FIB0} inet6 ${ADDR} ${MASK0} TAP0=${TAP} setup_tap ${FIB1} inet6 ${ADDR} ${MASK1} TAP1=${TAP} atf_check -s exit:0 ifconfig ${TAP1} inet6 ${ADDR} -alias atf_check -o not-match:"^${ADDR}[[:space:]]" \ setfib ${FIB1} netstat -rn -f inet6 ifconfig ${TAP1} destroy ifconfig ${TAP0} destroy # Do it again, in the opposite order. It should not panic. setup_tap ${FIB0} inet6 ${ADDR} ${MASK0} TAP0=${TAP} setup_tap ${FIB1} inet6 ${ADDR} ${MASK1} TAP1=${TAP} atf_check -s exit:0 ifconfig ${TAP0} inet6 ${ADDR} -alias atf_check -o not-match:"^${ADDR}[[:space:]]" \ setfib ${FIB0} netstat -rn -f inet6 } same_ip_multiple_ifaces_inet6_cleanup() { cleanup_ifaces } atf_test_case slaac_on_nondefault_fib6 cleanup slaac_on_nondefault_fib6_head() { atf_set "descr" "SLAAC correctly installs routes on non-default FIBs" atf_set "require.user" "root" atf_set "require.config" "fibs" "allow_sysctl_side_effects" } slaac_on_nondefault_fib6_body() { # Configure the epair interfaces to use nonrouteable RFC3849 # addresses and non-default FIBs PREFIX="2001:db8:$(printf "%x" `jot -r 1 0 65535`):$(printf "%x" `jot -r 1 0 65535`)" ADDR="$PREFIX::2" GATEWAY="$PREFIX::1" SUBNET="$PREFIX:" MASK="64" # Check system configuration if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then atf_skip "This test requires net.add_addr_allfibs=0" fi get_fibs 2 sysctl -n "net.inet6.ip6.rfc6204w3" >> "rfc6204w3.state" sysctl -n "net.inet6.ip6.forwarding" >> "forwarding.state" # Enable forwarding so the kernel will send RAs sysctl net.inet6.ip6.forwarding=1 # Enable RFC6204W3 mode so the kernel will enable default router # selection while also forwarding packets sysctl net.inet6.ip6.rfc6204w3=1 # Configure epair interfaces get_epair setup_iface "$EPAIRA" "$FIB0" inet6 ${ADDR} ${MASK} echo setfib $FIB1 ifconfig "$EPAIRB" inet6 -ifdisabled accept_rtadv fib $FIB1 up setfib $FIB1 ifconfig "$EPAIRB" inet6 -ifdisabled accept_rtadv fib $FIB1 up rtadvd -p rtadvd.pid -C rtadvd.sock -c /dev/null "$EPAIRA" rtsol "$EPAIRB" # Check SLAAC address atf_check -o match:"inet6 ${SUBNET}.*prefixlen ${MASK}.*autoconf" \ ifconfig "$EPAIRB" # Check local route atf_check -o match:"${SUBNET}.*\.*lo0" \ netstat -rnf inet6 -F $FIB1 # Check subnet route atf_check -o match:"${SUBNET}:/${MASK}.*\.*$EPAIRB" \ netstat -rnf inet6 -F $FIB1 # Check default route atf_check -o match:"default.*\.*$EPAIRB" \ netstat -rnf inet6 -F $FIB1 # Check that none of the above routes appeared on other routes for fib in $( seq 0 $(($(sysctl -n net.fibs) - 1))); do if [ "$fib" = "$FIB1" -o "$fib" = "$FIB0" ]; then continue fi atf_check -o not-match:"${SUBNET}.*\.*lo0" \ netstat -rnf inet6 -F $fib atf_check -o not-match:"${SUBNET}:/${MASK}.*\.*$EPAIRB" \ netstat -rnf inet6 -F $fib atf_check -o not-match:"default.*\.*$EPAIRB" \ netstat -rnf inet6 -F $fib done } slaac_on_nondefault_fib6_cleanup() { if [ -f "rtadvd.pid" ]; then # rtadvd can take a long time to shutdown. Use SIGKILL to kill # it right away. The downside to using SIGKILL is that it # won't send final RAs to all interfaces, but we don't care # because we're about to destroy its interface anyway. pkill -kill -F rtadvd.pid rm -f rtadvd.pid fi cleanup_ifaces if [ -f "forwarding.state" ] ; then sysctl "net.inet6.ip6.forwarding"=`cat "forwarding.state"` rm "forwarding.state" fi if [ -f "rfc6204w3.state" ] ; then sysctl "net.inet6.ip6.rfc6204w3"=`cat "rfc6204w3.state"` rm "rfc6204w3.state" fi } # Regression test for kern/187550 atf_test_case subnet_route_with_multiple_fibs_on_same_subnet cleanup subnet_route_with_multiple_fibs_on_same_subnet_head() { atf_set "descr" "Multiple FIBs can have IPv4 subnet routes for the same subnet" atf_set "require.user" "root" atf_set "require.config" "fibs" } subnet_route_with_multiple_fibs_on_same_subnet_body() { # Configure the TAP interfaces to use a RFC5737 nonrouteable addresses # and a non-default fib ADDR0="192.0.2.2" ADDR1="192.0.2.3" SUBNET="192.0.2.0" MASK="24" # Check system configuration if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then atf_skip "This test requires net.add_addr_allfibs=0" fi get_fibs 2 # Configure TAP interfaces setup_tap "$FIB0" inet ${ADDR0} ${MASK} setup_tap "$FIB1" inet ${ADDR1} ${MASK} # Check that a subnet route exists on both fibs atf_check -o ignore setfib "$FIB0" route get $ADDR1 atf_check -o ignore setfib "$FIB1" route get $ADDR0 } subnet_route_with_multiple_fibs_on_same_subnet_cleanup() { cleanup_ifaces } atf_test_case subnet_route_with_multiple_fibs_on_same_subnet_inet6 cleanup subnet_route_with_multiple_fibs_on_same_subnet_inet6_head() { atf_set "descr" "Multiple FIBs can have IPv6 subnet routes for the same subnet" atf_set "require.user" "root" atf_set "require.config" "fibs" } subnet_route_with_multiple_fibs_on_same_subnet_inet6_body() { # Configure the TAP interfaces to use a RFC3849 nonrouteable addresses # and a non-default fib ADDR0="2001:db8::2" ADDR1="2001:db8::3" SUBNET="2001:db8::" MASK="64" # Check system configuration if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then atf_skip "This test requires net.add_addr_allfibs=0" fi get_fibs 2 # Configure TAP interfaces setup_tap "$FIB0" inet6 ${ADDR0} ${MASK} setup_tap "$FIB1" inet6 ${ADDR1} ${MASK} # Check that a subnet route exists on both fibs atf_check -o ignore setfib "$FIB0" route -6 get $ADDR1 atf_check -o ignore setfib "$FIB1" route -6 get $ADDR0 } subnet_route_with_multiple_fibs_on_same_subnet_inet6_cleanup() { cleanup_ifaces } # Test that source address selection works correctly for UDP packets with # SO_DONTROUTE set that are sent on non-default FIBs. # This bug was discovered with "setfib 1 netperf -t UDP_STREAM -H some_host" # Regression test for kern/187553 # # The root cause was that ifa_ifwithnet() did not have a fib argument. It # would return an address from an interface on any FIB that had a subnet route # for the destination. If more than one were available, it would choose the # most specific. This is most easily tested by creating a FIB without a # default route, then trying to send a UDP packet with SO_DONTROUTE set to an # address which is not routable on that FIB. Absent the fix for this bug, # in_pcbladdr would choose an interface on any FIB with a default route. With # the fix, you will get EUNREACH or ENETUNREACH. atf_test_case udp_dontroute cleanup udp_dontroute_head() { atf_set "descr" "Source address selection for UDP packets with SO_DONTROUTE on non-default FIBs works" atf_set "require.user" "root" atf_set "require.config" "fibs" } udp_dontroute_body() { # Configure the TAP interface to use an RFC5737 nonrouteable address # and a non-default fib ADDR0="192.0.2.2" ADDR1="192.0.2.3" SUBNET="192.0.2.0" MASK="24" # Use a different IP on the same subnet as the target TARGET="192.0.2.100" SRCDIR=`atf_get_srcdir` # Check system configuration if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then atf_skip "This test requires net.add_addr_allfibs=0" fi get_fibs 2 # Configure the TAP interfaces setup_tap ${FIB0} inet ${ADDR0} ${MASK} TARGET_TAP=${TAP} setup_tap ${FIB1} inet ${ADDR1} ${MASK} # Send a UDP packet with SO_DONTROUTE. In the failure case, it will # return ENETUNREACH, or send the packet to the wrong tap atf_check -o ignore setfib ${FIB0} \ ${SRCDIR}/udp_dontroute ${TARGET} /dev/${TARGET_TAP} cleanup_ifaces # Repeat, but this time target the other tap setup_tap ${FIB0} inet ${ADDR0} ${MASK} setup_tap ${FIB1} inet ${ADDR1} ${MASK} TARGET_TAP=${TAP} atf_check -o ignore setfib ${FIB1} \ ${SRCDIR}/udp_dontroute ${TARGET} /dev/${TARGET_TAP} } udp_dontroute_cleanup() { cleanup_ifaces } atf_test_case udp_dontroute6 cleanup udp_dontroute6_head() { atf_set "descr" "Source address selection for UDP IPv6 packets with SO_DONTROUTE on non-default FIBs works" atf_set "require.user" "root" atf_set "require.config" "fibs" } udp_dontroute6_body() { # Configure the TAP interface to use an RFC3849 nonrouteable address # and a non-default fib ADDR0="2001:db8::2" ADDR1="2001:db8::3" SUBNET="2001:db8::" MASK="64" # Use a different IP on the same subnet as the target TARGET="2001:db8::100" SRCDIR=`atf_get_srcdir` # Check system configuration if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then atf_skip "This test requires net.add_addr_allfibs=0" fi get_fibs 2 # Configure the TAP interfaces. Use no_dad so the addresses will be # ready right away and won't be marked as tentative until DAD # completes. setup_tap ${FIB0} inet6 ${ADDR0} ${MASK} no_dad TARGET_TAP=${TAP} setup_tap ${FIB1} inet6 ${ADDR1} ${MASK} no_dad # Send a UDP packet with SO_DONTROUTE. In the failure case, it will # return ENETUNREACH, or send the packet to the wrong tap atf_check -o ignore setfib ${FIB0} \ ${SRCDIR}/udp_dontroute -6 ${TARGET} /dev/${TARGET_TAP} cleanup_ifaces # Repeat, but this time target the other tap setup_tap ${FIB0} inet6 ${ADDR0} ${MASK} no_dad setup_tap ${FIB1} inet6 ${ADDR1} ${MASK} no_dad TARGET_TAP=${TAP} atf_check -o ignore setfib ${FIB1} \ ${SRCDIR}/udp_dontroute -6 ${TARGET} /dev/${TARGET_TAP} } udp_dontroute6_cleanup() { cleanup_ifaces } atf_init_test_cases() { atf_add_test_case arpresolve_checks_interface_fib atf_add_test_case loopback_and_network_routes_on_nondefault_fib atf_add_test_case loopback_and_network_routes_on_nondefault_fib_inet6 atf_add_test_case default_route_with_multiple_fibs_on_same_subnet atf_add_test_case default_route_with_multiple_fibs_on_same_subnet_inet6 atf_add_test_case same_ip_multiple_ifaces_fib0 atf_add_test_case same_ip_multiple_ifaces atf_add_test_case same_ip_multiple_ifaces_inet6 atf_add_test_case slaac_on_nondefault_fib6 atf_add_test_case subnet_route_with_multiple_fibs_on_same_subnet atf_add_test_case subnet_route_with_multiple_fibs_on_same_subnet_inet6 atf_add_test_case udp_dontroute atf_add_test_case udp_dontroute6 } # Looks up one or more fibs from the configuration data and validates them. # Returns the results in the env varilables FIB0, FIB1, etc. # parameter numfibs The number of fibs to lookup get_fibs() { NUMFIBS=$1 net_fibs=`sysctl -n net.fibs` i=0 while [ $i -lt "$NUMFIBS" ]; do fib=`atf_config_get "fibs" | \ awk -v i=$(( i + 1 )) '{print $i}'` echo "fib is ${fib}" eval FIB${i}=${fib} if [ "$fib" -ge "$net_fibs" ]; then atf_skip "The ${i}th configured fib is ${fib}, which is not less than net.fibs, which is ${net_fibs}" fi i=$(( $i + 1 )) done } # Creates a new pair of connected epair(4) interface, registers them for # cleanup, and returns their namen via the environment variables EPAIRA and # EPAIRB get_epair() { local EPAIRD if EPAIRD=`ifconfig epair create`; then # Record the epair device so we can clean it up later echo ${EPAIRD} >> "ifaces_to_cleanup" EPAIRA=${EPAIRD} EPAIRB=${EPAIRD%a}b else atf_skip "Could not create epair(4) interfaces" fi } # Creates a new tap(4) interface, registers it for cleanup, and returns the # name via the environment variable TAP get_tap() { local TAPD if TAPD=`ifconfig tap create`; then # Record the TAP device so we can clean it up later echo ${TAPD} >> "ifaces_to_cleanup" TAP=${TAPD} else atf_skip "Could not create a tap(4) interface" fi } # Configure an ethernet interface # parameters: # Interface name # fib # Protocol (inet or inet6) # IP address # Netmask in number of bits (eg 24 or 8) # Extra flags # Return: None setup_iface() { local IFACE=$1 local FIB=$2 local PROTO=$3 local ADDR=$4 local MASK=$5 local FLAGS=$6 echo setfib ${FIB} \ ifconfig $IFACE ${PROTO} ${ADDR}/${MASK} fib $FIB $FLAGS setfib ${FIB} ifconfig $IFACE ${PROTO} ${ADDR}/${MASK} fib $FIB $FLAGS } # Create a tap(4) interface, configure it, and register it for cleanup. # parameters: # fib # Protocol (inet or inet6) # IP address # Netmask in number of bits (eg 24 or 8) # Extra flags # Return: the tap interface name as the env variable TAP setup_tap() { get_tap setup_iface "$TAP" "$@" } cleanup_ifaces() { if [ -f ifaces_to_cleanup ]; then for iface in $(cat ifaces_to_cleanup); do echo ifconfig "${iface}" destroy ifconfig "${iface}" destroy 2>/dev/null || true done rm -f ifaces_to_cleanup fi }