==== busy-rdomains ====
# Check if rdomains are busy.

==== ifconfig ====
sleep 2  # XXX
doas -n pkill -f '^/usr/sbin/tcpdump -l -e -vvv -s 2048 -ni'
*** Error 1 in target 'stamp-stop' (ignored)
rm -f stamp-bpf*
# Destroy interfaces.
doas -n /sbin/ifconfig lo17 rdomain 17
doas -n /sbin/ifconfig lo17 inet 127.0.0.1 delete
ifconfig: SIOCDIFADDR: Can't assign requested address
*** Error 1 in target 'unconfig' (ignored)
doas -n /sbin/ifconfig lo17 inet 127.0.0.17 delete
ifconfig: SIOCDIFADDR: Can't assign requested address
*** Error 1 in target 'unconfig' (ignored)
doas -n /sbin/ifconfig lo17 destroy
doas -n /sbin/ifconfig lo18 rdomain 18
doas -n /sbin/ifconfig lo18 inet 127.0.0.1 delete
ifconfig: SIOCDIFADDR: Can't assign requested address
*** Error 1 in target 'unconfig' (ignored)
doas -n /sbin/ifconfig lo18 inet 127.0.0.18 delete
ifconfig: SIOCDIFADDR: Can't assign requested address
*** Error 1 in target 'unconfig' (ignored)
doas -n /sbin/ifconfig lo18 destroy
rm -f stamp-ifconfig
# Create and configure loopback interfaces.
doas -n /sbin/ifconfig lo17 rdomain 17
doas -n /sbin/ifconfig lo17 inet 127.0.0.1/8
doas -n /sbin/ifconfig lo17 inet 127.0.0.17 alias
doas -n /sbin/route -n -T 17 add -inet -host 10.6.6.6 127.0.0.1
add host 10.6.6.6: gateway 127.0.0.1
doas -n /sbin/route -n -T 17 add -inet -host 10.7.7.7 127.0.0.1
add host 10.7.7.7: gateway 127.0.0.1
doas -n /sbin/ifconfig lo18 rdomain 18
doas -n /sbin/ifconfig lo18 inet 127.0.0.1/8
doas -n /sbin/ifconfig lo18 inet 127.0.0.18 alias
doas -n /sbin/route -n -T 18 add -inet -host 10.6.6.6 127.0.0.1
add host 10.6.6.6: gateway 127.0.0.1
doas -n /sbin/route -n -T 18 add -inet -host 10.7.7.7 127.0.0.1
add host 10.7.7.7: gateway 127.0.0.1
doas -n /sbin/route -n -T 17 add -inet -host 127.0.0.18 127.0.0.1
add host 127.0.0.18: gateway 127.0.0.1
doas -n /sbin/route -n -T 18 add -inet -host 127.0.0.17 127.0.0.1
add host 127.0.0.17: gateway 127.0.0.1
# Wait until IPv6 addresses are no longer tentative.
for i in `jot 50`; do if ! { /sbin/ifconfig lo17; /sbin/ifconfig lo18; } | fgrep -q tentative; then break; fi; sleep .1; done
! { /sbin/ifconfig lo17; /sbin/ifconfig lo18; } | fgrep tentative

==== pfctl ====
# Create python include file containing the addresses.
rm -f addr.py addr.py.tmp
echo 'N1="17"' >>addr.py.tmp
echo 'IF_N1="lo17"' >>addr.py.tmp
echo 'ADDR_N1="127.0.0.17"' >>addr.py.tmp
echo 'N2="18"' >>addr.py.tmp
echo 'IF_N2="lo18"' >>addr.py.tmp
echo 'ADDR_N2="127.0.0.18"' >>addr.py.tmp
mv addr.py.tmp addr.py
# Load the pf rules into the kernel.
cat addr.py /home/src/regress/sys/net/loop/pf.conf | /sbin/pfctl -n -f -
cat addr.py /home/src/regress/sys/net/loop/pf.conf | doas -n /sbin/pfctl -a regress -f -

==== run-ping-local-17 ====
rm -f lo17.tcpdump
doas -n pkill -f '^/usr/sbin/tcpdump -l -e -vvv -s 2048 -ni lo17' || true
doas -n /usr/sbin/tcpdump -l -e -vvv -s 2048 -ni lo17 >lo17.tcpdump &
rm -f stamp-stop
rm -f lo18.tcpdump
doas -n pkill -f '^/usr/sbin/tcpdump -l -e -vvv -s 2048 -ni lo18' || true
tcpdump: listening on lo17, link-type LOOP
doas -n /usr/sbin/tcpdump -l -e -vvv -s 2048 -ni lo18 >lo18.tcpdump &
rm -f stamp-stop
sleep 2  # XXX
tcpdump: listening on lo18, link-type LOOP
# Ping localhost in routing domain 17.
/sbin/ping -n -w 1 -c 1 -V 17 127.0.0.1
PING 127.0.0.1 (127.0.0.1): 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ttl=255 time=0.091 ms

--- 127.0.0.1 ping statistics ---
1 packets transmitted, 1 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 0.091/0.091/0.091/0.000 ms

==== run-ping-loop-17 ====
# Ping non existing address with loopback route in routing domain 17.
! /sbin/ping -n -w 1 -c 1 -V 17 10.6.6.6
PING 10.6.6.6 (10.6.6.6): 56 data bytes

--- 10.6.6.6 ping statistics ---
1 packets transmitted, 0 packets received, 100.0% packet loss

==== run-ping-address-17 ====
# Ping local address in routing domain 17.
/sbin/ping -n -w 1 -c 1 -V 17 127.0.0.17
PING 127.0.0.17 (127.0.0.17): 56 data bytes
64 bytes from 127.0.0.17: icmp_seq=0 ttl=255 time=0.088 ms

--- 127.0.0.17 ping statistics ---
1 packets transmitted, 1 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 0.088/0.088/0.088/0.000 ms

==== run-ping-local-18 ====
# Ping localhost in routing domain 18.
/sbin/ping -n -w 1 -c 1 -V 18 127.0.0.1
PING 127.0.0.1 (127.0.0.1): 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ttl=255 time=0.095 ms

--- 127.0.0.1 ping statistics ---
1 packets transmitted, 1 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 0.095/0.095/0.095/0.000 ms

==== run-ping-loop-18 ====
# Ping non existing address with loopback route in routing domain 18.
! /sbin/ping -n -w 1 -c 1 -V 18 10.6.6.6
PING 10.6.6.6 (10.6.6.6): 56 data bytes

--- 10.6.6.6 ping statistics ---
1 packets transmitted, 0 packets received, 100.0% packet loss

==== run-ping-address-18 ====
# Ping local address in routing domain 18.
/sbin/ping -n -w 1 -c 1 -V 18 127.0.0.18
PING 127.0.0.18 (127.0.0.18): 56 data bytes
64 bytes from 127.0.0.18: icmp_seq=0 ttl=255 time=0.085 ms

--- 127.0.0.18 ping statistics ---
1 packets transmitted, 1 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 0.085/0.085/0.085/0.000 ms

==== run-ping-rdomain-pass ====
# Pass ping packets between routing domains with pf rule.
/sbin/ping -n -w 1 -c 1 -V 17 127.0.0.18
PING 127.0.0.18 (127.0.0.18): 56 data bytes
64 bytes from 127.0.0.18: icmp_seq=0 ttl=255 time=0.090 ms

--- 127.0.0.18 ping statistics ---
1 packets transmitted, 1 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 0.090/0.090/0.090/0.000 ms

==== run-ping-rdomain-block ====
# Check that reverse direction without pf rule is not allowed.
! /sbin/ping -n -w 1 -c 1 -V 18 127.0.0.17
PING 127.0.0.17 (127.0.0.17): 56 data bytes

--- 127.0.0.17 ping statistics ---
1 packets transmitted, 0 packets received, 100.0% packet loss

==== run-ping-rdomain-loop ====
# Ping non existing address and loop between routing domains.
! /sbin/ping -n -w 1 -c 1 -V 17 10.7.7.7
PING 10.7.7.7 (10.7.7.7): 56 data bytes

--- 10.7.7.7 ping statistics ---
1 packets transmitted, 0 packets received, 100.0% packet loss

==== run-bpf-local-17 ====
sleep 2  # XXX
doas -n pkill -f '^/usr/sbin/tcpdump -l -e -vvv -s 2048 -ni'


488 packets received by filter
0 packets dropped by kernel
489 packets received by filter
0 packets dropped by kernel
rm -f stamp-bpf*
# Check that the ping packet went through loopback.
grep '127.0.0.1 > 127.0.0.1: icmp: echo request' lo17.tcpdump
04:57:00.464000 127.0.0.1 > 127.0.0.1: icmp: echo request (id:ce7e seq:0) [icmp cksum ok] (ttl 255, id 10483, len 84, bad ip cksum 0! -> 94b3)

==== run-bpf-loop-17 ====
# Check that the ping packet went multiple times through loopback.
grep '[0-9] 127.0.0.1 > 10.6.6.6: icmp: echo request .*ttl 255,'  lo17.tcpdump
04:57:00.548743 127.0.0.1 > 10.6.6.6: icmp: echo request (id:4ab4 seq:0) [icmp cksum ok] (ttl 255, id 31764, len 84, bad ip cksum 0! -> b087)
grep '[0-9] 127.0.0.1 > 10.6.6.6: icmp: echo request .* \[ttl 1\]'  lo17.tcpdump
04:57:00.550429 127.0.0.1 > 10.6.6.6: icmp: echo request (id:4ab4 seq:0) [icmp cksum ok] [ttl 1] (id 31764, len 84, bad ip cksum 0! -> ae88)

==== run-bpf-local-18 ====
# Check that the ping packet went through loopback.
grep '127.0.0.1 > 127.0.0.1: icmp: echo request' lo18.tcpdump
04:57:02.725970 127.0.0.1 > 127.0.0.1: icmp: echo request (id:f346 seq:0) [icmp cksum ok] (ttl 255, id 33053, len 84, bad ip cksum 0! -> 3c89)

==== run-bpf-loop-18 ====
# Check that the ping packet went multiple times through loopback.
grep '[0-9] 127.0.0.1 > 10.6.6.6: icmp: echo request .*ttl 255,'  lo18.tcpdump
04:57:02.812041 127.0.0.1 > 10.6.6.6: icmp: echo request (id:ea0b seq:0) [icmp cksum ok] (ttl 255, id 7932, len 84, bad ip cksum 0! -> da0)
grep '[0-9] 127.0.0.1 > 10.6.6.6: icmp: echo request .* \[ttl 1\]'  lo18.tcpdump
04:57:02.813791 127.0.0.1 > 10.6.6.6: icmp: echo request (id:ea0b seq:0) [icmp cksum ok] [ttl 1] (id 7932, len 84, bad ip cksum 0! -> ba1)

==== run-bpf-rdomain-loop-17 ====
# Check the ping packet went multiple times in routing domains.
grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .*ttl 255,'  lo17.tcpdump
04:57:07.177177 127.0.0.1 > 10.7.7.7: icmp: echo request (id:61ee seq:0) [icmp cksum ok] (ttl 255, id 38642, len 84, bad ip cksum 0! -> 94a7)
! grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .*ttl 254,'  lo17.tcpdump
grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .* \[ttl 1\]'  lo17.tcpdump
04:57:07.178176 127.0.0.1 > 10.7.7.7: icmp: echo request (id:61ee seq:0) [icmp cksum ok] [ttl 1] (id 38642, len 84, bad ip cksum 0! -> 92a8)

==== run-bpf-rdomain-loop-18 ====
# Check the ping packet went multiple times in routing domains.
grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .*ttl 254,'  lo18.tcpdump
04:57:07.177196 127.0.0.1 > 10.7.7.7: icmp: echo request (id:61ee seq:0) [icmp cksum ok] (ttl 254, id 38642, len 84, bad ip cksum 0! -> 95a7)
grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .*ttl 2,'  lo18.tcpdump
04:57:07.178172 127.0.0.1 > 10.7.7.7: icmp: echo request (id:61ee seq:0) [icmp cksum ok] (ttl 2, id 38642, len 84, bad ip cksum 0! -> 91a8)
! grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .* \[ttl 1\]'  lo18.tcpdump

==== unconfig ====
# Destroy interfaces.
doas -n /sbin/ifconfig lo17 rdomain 17
doas -n /sbin/ifconfig lo17 inet 127.0.0.1 delete
doas -n /sbin/ifconfig lo17 inet 127.0.0.17 delete
doas -n /sbin/ifconfig lo17 destroy
doas -n /sbin/ifconfig lo18 rdomain 18
doas -n /sbin/ifconfig lo18 inet 127.0.0.1 delete
doas -n /sbin/ifconfig lo18 inet 127.0.0.18 delete
doas -n /sbin/ifconfig lo18 destroy
rm -f stamp-ifconfig