Remove tests/sys/netinet/fibs_tests's dependency on net/socat
Instead of bridging two tap interfaces with socat, just use an epair pair. MFC after: 3 weeks Sponsored by: Spectra Logic Corp
This commit is contained in:
Alan Somers
parent
84a6eddc43
commit
56a1ced0d5
@ -39,8 +39,7 @@
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# arpresolve only checked the default route.
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#
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# Outline:
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# Create two tap(4) interfaces
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# Simulate a crossover cable between them by using net/socat
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# Create two connected epair(4) interfaces
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# Use nping (from security/nmap) to send an ICMP echo request from one
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# interface to the other, spoofing the source IP. The source IP must be
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# spoofed, or else it will already have an entry in the arp table.
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@ -51,7 +50,7 @@ arpresolve_checks_interface_fib_head()
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atf_set "descr" "arpresolve should check the interface fib, not the default fib, for routes"
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atf_set "require.user" "root"
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atf_set "require.config" "fibs"
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atf_set "require.progs" "socat nping"
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atf_set "require.progs" "nping"
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}
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arpresolve_checks_interface_fib_body()
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{
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@ -74,19 +73,13 @@ arpresolve_checks_interface_fib_body()
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fi
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get_fibs 2
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# Configure TAP interfaces
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setup_tap "$FIB0" inet ${ADDR0} ${MASK0}
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TAP0=$TAP
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setup_tap "$FIB1" inet ${ADDR1} ${MASK1}
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TAP1=$TAP
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# Simulate a crossover cable
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socat /dev/${TAP0} /dev/${TAP1} &
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SOCAT_PID=$!
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echo ${SOCAT_PID} >> "processes_to_kill"
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# Configure epair interfaces
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get_epair
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setup_iface "$EPAIRA" "$FIB0" inet ${ADDR0} ${MASK0}
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setup_iface "$EPAIRB" "$FIB1" inet ${ADDR1} ${MASK1}
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# Send an ICMP echo request with a spoofed source IP
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setfib 2 nping -c 1 -e ${TAP0} -S ${SPOOF_ADDR} \
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setfib "$FIB0" nping -c 1 -e ${EPAIRA} -S ${SPOOF_ADDR} \
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--source-mac ${SPOOF_MAC} --icmp --icmp-type "echo-request" \
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--icmp-code 0 --icmp-id 0xdead --icmp-seq 1 --data 0xbeef \
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${ADDR1}
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@ -94,17 +87,11 @@ arpresolve_checks_interface_fib_body()
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# characteristic error message
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dmesg | grep "llinfo.*${SPOOF_ADDR}"
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# Check that the ARP entry exists
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atf_check -o match:"${SPOOF_ADDR}.*expires" setfib 3 arp ${SPOOF_ADDR}
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atf_check -o match:"${SPOOF_ADDR}.*expires" setfib "$FIB1" arp ${SPOOF_ADDR}
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}
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arpresolve_checks_interface_fib_cleanup()
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{
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if [ -f processes_to_kill ]; then
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for pid in $(cat processes_to_kill); do
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kill "${pid}"
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done
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rm -f processes_to_kill
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fi
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cleanup_tap
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cleanup_ifaces
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}
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@ -163,7 +150,7 @@ loopback_and_network_routes_on_nondefault_fib_body()
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loopback_and_network_routes_on_nondefault_fib_cleanup()
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{
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cleanup_tap
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cleanup_ifaces
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}
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atf_test_case loopback_and_network_routes_on_nondefault_fib_inet6 cleanup
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@ -221,7 +208,7 @@ loopback_and_network_routes_on_nondefault_fib_inet6_body()
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loopback_and_network_routes_on_nondefault_fib_inet6_cleanup()
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{
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cleanup_tap
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cleanup_ifaces
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}
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@ -270,7 +257,7 @@ default_route_with_multiple_fibs_on_same_subnet_body()
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default_route_with_multiple_fibs_on_same_subnet_cleanup()
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{
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cleanup_tap
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cleanup_ifaces
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}
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atf_test_case default_route_with_multiple_fibs_on_same_subnet_inet6 cleanup
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@ -317,7 +304,7 @@ default_route_with_multiple_fibs_on_same_subnet_inet6_body()
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default_route_with_multiple_fibs_on_same_subnet_inet6_cleanup()
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{
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cleanup_tap
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cleanup_ifaces
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}
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@ -357,7 +344,7 @@ same_ip_multiple_ifaces_fib0_body()
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}
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same_ip_multiple_ifaces_fib0_cleanup()
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{
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cleanup_tap
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cleanup_ifaces
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}
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# Regression test for PR kern/189088
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@ -408,7 +395,7 @@ same_ip_multiple_ifaces_cleanup()
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{
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# Due to PR kern/189088, we must destroy the interfaces in LIFO order
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# in order for the routes to be correctly cleaned up.
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for TAPD in `tail -r "tap_devices_to_cleanup"`; do
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for TAPD in `tail -r "ifaces_to_cleanup"`; do
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echo ifconfig ${TAPD} destroy
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ifconfig ${TAPD} destroy
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done
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@ -453,7 +440,7 @@ same_ip_multiple_ifaces_inet6_body()
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}
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same_ip_multiple_ifaces_inet6_cleanup()
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{
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cleanup_tap
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cleanup_ifaces
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}
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# Regression test for kern/187550
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@ -491,7 +478,7 @@ subnet_route_with_multiple_fibs_on_same_subnet_body()
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subnet_route_with_multiple_fibs_on_same_subnet_cleanup()
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{
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cleanup_tap
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cleanup_ifaces
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}
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atf_test_case subnet_route_with_multiple_fibs_on_same_subnet_inet6 cleanup
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@ -528,7 +515,7 @@ subnet_route_with_multiple_fibs_on_same_subnet_inet6_body()
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subnet_route_with_multiple_fibs_on_same_subnet_inet6_cleanup()
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{
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cleanup_tap
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cleanup_ifaces
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}
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# Test that source address selection works correctly for UDP packets with
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@ -579,7 +566,7 @@ udp_dontroute_body()
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# return ENETUNREACH, or send the packet to the wrong tap
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atf_check -o ignore setfib ${FIB0} \
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${SRCDIR}/udp_dontroute ${TARGET} /dev/${TARGET_TAP}
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cleanup_tap
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cleanup_ifaces
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# Repeat, but this time target the other tap
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setup_tap ${FIB0} inet ${ADDR0} ${MASK}
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@ -592,7 +579,7 @@ udp_dontroute_body()
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udp_dontroute_cleanup()
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{
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cleanup_tap
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cleanup_ifaces
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}
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atf_test_case udp_dontroute6 cleanup
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@ -634,7 +621,7 @@ udp_dontroute6_body()
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# return ENETUNREACH, or send the packet to the wrong tap
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atf_check -o ignore setfib ${FIB0} \
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${SRCDIR}/udp_dontroute -6 ${TARGET} /dev/${TARGET_TAP}
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cleanup_tap
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cleanup_ifaces
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# Repeat, but this time target the other tap
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setup_tap ${FIB0} inet6 ${ADDR0} ${MASK} no_dad
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@ -647,7 +634,7 @@ udp_dontroute6_body()
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udp_dontroute6_cleanup()
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{
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cleanup_tap
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cleanup_ifaces
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}
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@ -688,22 +675,58 @@ get_fibs()
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done
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}
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# Creates a new pair of connected epair(4) interface, registers them for
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# cleanup, and returns their namen via the environment variables EPAIRA and
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# EPAIRB
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get_epair()
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{
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local EPAIRD
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if EPAIRD=`ifconfig epair create`; then
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# Record the TAP device so we can clean it up later
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echo ${EPAIRD} >> "ifaces_to_cleanup"
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EPAIRA=${EPAIRD}
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EPAIRB=${EPAIRD%a}b
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else
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atf_skip "Could not create epair(4) interfaces"
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fi
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}
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# Creates a new tap(4) interface, registers it for cleanup, and returns the
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# name via the environment variable TAP
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get_tap()
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{
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local TAPN=0
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while ! ifconfig tap${TAPN} create > /dev/null 2>&1; do
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if [ "$TAPN" -ge 8 ]; then
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atf_skip "Could not create a tap(4) interface"
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else
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TAPN=$(($TAPN + 1))
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fi
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done
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local TAPD=tap${TAPN}
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local TAPD
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if TAPD=`ifconfig tap create`; then
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# Record the TAP device so we can clean it up later
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echo ${TAPD} >> "tap_devices_to_cleanup"
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echo ${TAPD} >> "ifaces_to_cleanup"
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TAP=${TAPD}
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else
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atf_skip "Could not create a tap(4) interface"
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fi
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}
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# Configure an ethernet interface
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# parameters:
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# Interface name
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# fib
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# Protocol (inet or inet6)
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# IP address
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# Netmask in number of bits (eg 24 or 8)
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# Extra flags
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# Return: None
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setup_iface()
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{
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local IFACE=$1
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local FIB=$2
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local PROTO=$3
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local ADDR=$4
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local MASK=$5
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local FLAGS=$6
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echo setfib ${FIB} \
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ifconfig $IFACE ${PROTO} ${ADDR}/${MASK} fib $FIB $FLAGS
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setfib ${FIB} ifconfig $IFACE ${PROTO} ${ADDR}/${MASK} fib $FIB $FLAGS
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}
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# Create a tap(4) interface, configure it, and register it for cleanup.
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@ -716,23 +739,17 @@ get_tap()
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# Return: the tap interface name as the env variable TAP
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setup_tap()
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{
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local FIB=$1
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local PROTO=$2
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local ADDR=$3
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local MASK=$4
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local FLAGS=$5
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get_tap
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echo setfib ${FIB} ifconfig $TAP ${PROTO} ${ADDR}/${MASK} fib $FIB $FLAGS
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setfib ${FIB} ifconfig $TAP ${PROTO} ${ADDR}/${MASK} fib $FIB $FLAGS
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setup_iface "$TAP" "$@"
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}
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cleanup_tap()
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cleanup_ifaces()
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{
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if [ -f tap_devices_to_cleanup ]; then
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for tap_device in $(cat tap_devices_to_cleanup); do
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echo ifconfig "${tap_device}" destroy
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ifconfig "${tap_device}" destroy 2>/dev/null || true
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if [ -f ifaces_to_cleanup ]; then
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for iface in $(cat ifaces_to_cleanup); do
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echo ifconfig "${iface}" destroy
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ifconfig "${iface}" destroy 2>/dev/null || true
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done
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rm -f tap_devices_to_cleanup
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rm -f ifaces_to_cleanup
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fi
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}
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