==== 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 lo38 rdomain 38
doas -n /sbin/ifconfig lo38 inet 127.0.0.1 delete
ifconfig: SIOCDIFADDR: Can't assign requested address
*** Error 1 in target 'unconfig' (ignored)
doas -n /sbin/ifconfig lo38 inet 127.0.0.38 delete
ifconfig: SIOCDIFADDR: Can't assign requested address
*** Error 1 in target 'unconfig' (ignored)
doas -n /sbin/ifconfig lo38 destroy
doas -n /sbin/ifconfig lo39 rdomain 39
doas -n /sbin/ifconfig lo39 inet 127.0.0.1 delete
ifconfig: SIOCDIFADDR: Can't assign requested address
*** Error 1 in target 'unconfig' (ignored)
doas -n /sbin/ifconfig lo39 inet 127.0.0.39 delete
ifconfig: SIOCDIFADDR: Can't assign requested address
*** Error 1 in target 'unconfig' (ignored)
doas -n /sbin/ifconfig lo39 destroy
rm -f stamp-ifconfig
# Create and configure loopback interfaces.
doas -n /sbin/ifconfig lo38 rdomain 38
doas -n /sbin/ifconfig lo38 inet 127.0.0.1/8
doas -n /sbin/ifconfig lo38 inet 127.0.0.38 alias
doas -n /sbin/route -n -T 38 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 38 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 lo39 rdomain 39
doas -n /sbin/ifconfig lo39 inet 127.0.0.1/8
doas -n /sbin/ifconfig lo39 inet 127.0.0.39 alias
doas -n /sbin/route -n -T 39 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 39 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 38 add -inet -host 127.0.0.39 127.0.0.1
add host 127.0.0.39: gateway 127.0.0.1
doas -n /sbin/route -n -T 39 add -inet -host 127.0.0.38 127.0.0.1
add host 127.0.0.38: gateway 127.0.0.1
# Wait until IPv6 addresses are no longer tentative.
for i in `jot 50`; do if ! { /sbin/ifconfig lo38; /sbin/ifconfig lo39; } | fgrep -q tentative; then break; fi; sleep .1; done
! { /sbin/ifconfig lo38; /sbin/ifconfig lo39; } | fgrep tentative

==== pfctl ====
# Create python include file containing the addresses.
rm -f addr.py addr.py.tmp
echo 'N1="38"' >>addr.py.tmp
echo 'IF_N1="lo38"' >>addr.py.tmp
echo 'ADDR_N1="127.0.0.38"' >>addr.py.tmp
echo 'N2="39"' >>addr.py.tmp
echo 'IF_N2="lo39"' >>addr.py.tmp
echo 'ADDR_N2="127.0.0.39"' >>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-38 ====
rm -f lo38.tcpdump
doas -n pkill -f '^/usr/sbin/tcpdump -l -e -vvv -s 2048 -ni lo38' || true
doas -n /usr/sbin/tcpdump -l -e -vvv -s 2048 -ni lo38 >lo38.tcpdump &
rm -f stamp-stop
rm -f lo39.tcpdump
doas -n pkill -f '^/usr/sbin/tcpdump -l -e -vvv -s 2048 -ni lo39' || true
doas -n /usr/sbin/tcpdump -l -e -vvv -s 2048 -ni lo39 >lo39.tcpdump &
rm -f stamp-stop
sleep 2  # XXX
tcpdump: listening on lo38, link-type LOOP
tcpdump: listening on lo39, link-type LOOP
# Ping localhost in routing domain 38.
/sbin/ping -n -w 1 -c 1 -V 38 127.0.0.1
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-38 ====
# Ping non existing address with loopback route in routing domain 38.
! /sbin/ping -n -w 1 -c 1 -V 38 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-38 ====
# Ping local address in routing domain 38.
/sbin/ping -n -w 1 -c 1 -V 38 127.0.0.38
PING 127.0.0.38 (127.0.0.38): 56 data bytes
64 bytes from 127.0.0.38: icmp_seq=0 ttl=255 time=0.087 ms

--- 127.0.0.38 ping statistics ---
1 packets transmitted, 1 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 0.087/0.087/0.087/0.000 ms

==== run-ping-local-39 ====
# Ping localhost in routing domain 39.
/sbin/ping -n -w 1 -c 1 -V 39 127.0.0.1
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=0.085 ms

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

==== run-ping-loop-39 ====
# Ping non existing address with loopback route in routing domain 39.
! /sbin/ping -n -w 1 -c 1 -V 39 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-39 ====
# Ping local address in routing domain 39.
/sbin/ping -n -w 1 -c 1 -V 39 127.0.0.39
PING 127.0.0.39 (127.0.0.39): 56 data bytes
64 bytes from 127.0.0.39: icmp_seq=0 ttl=255 time=0.084 ms

--- 127.0.0.39 ping statistics ---
1 packets transmitted, 1 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 0.084/0.084/0.084/0.000 ms

==== run-ping-rdomain-pass ====
# Pass ping packets between routing domains with pf rule.
/sbin/ping -n -w 1 -c 1 -V 38 127.0.0.39
PING 127.0.0.39 (127.0.0.39): 56 data bytes
64 bytes from 127.0.0.39: icmp_seq=0 ttl=255 time=0.108 ms

--- 127.0.0.39 ping statistics ---
1 packets transmitted, 1 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 0.108/0.108/0.108/0.000 ms

==== run-ping-rdomain-block ====
# Check that reverse direction without pf rule is not allowed.
! /sbin/ping -n -w 1 -c 1 -V 39 127.0.0.38
PING 127.0.0.38 (127.0.0.38): 56 data bytes

--- 127.0.0.38 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 38 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-38 ====
sleep 2  # XXX
doas -n pkill -f '^/usr/sbin/tcpdump -l -e -vvv -s 2048 -ni'


489 packets received by filter
488 packets received by filter
0 packets dropped by kernel
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' lo38.tcpdump
05:21:09.031228 127.0.0.1 > 127.0.0.1: icmp: echo request (id:ca58 seq:0) [icmp cksum ok] (ttl 255, id 53859, len 84, bad ip cksum 0! -> eb42)

==== run-bpf-loop-38 ====
# 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,'  lo38.tcpdump
05:21:09.119154 127.0.0.1 > 10.6.6.6: icmp: echo request (id:c120 seq:0) [icmp cksum ok] (ttl 255, id 21010, len 84, bad ip cksum 0! -> da89)
grep '[0-9] 127.0.0.1 > 10.6.6.6: icmp: echo request .* \[ttl 1\]'  lo38.tcpdump
05:21:09.120758 127.0.0.1 > 10.6.6.6: icmp: echo request (id:c120 seq:0) [icmp cksum ok] [ttl 1] (id 21010, len 84, bad ip cksum 0! -> d88a)

==== run-bpf-local-39 ====
# Check that the ping packet went through loopback.
grep '127.0.0.1 > 127.0.0.1: icmp: echo request' lo39.tcpdump
05:21:11.298651 127.0.0.1 > 127.0.0.1: icmp: echo request (id:95b3 seq:0) [icmp cksum ok] (ttl 255, id 55634, len 84, bad ip cksum 0! -> e453)

==== run-bpf-loop-39 ====
# 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,'  lo39.tcpdump
05:21:11.384750 127.0.0.1 > 10.6.6.6: icmp: echo request (id:379f seq:0) [icmp cksum ok] (ttl 255, id 55005, len 84, bad ip cksum 0! -> 55be)
grep '[0-9] 127.0.0.1 > 10.6.6.6: icmp: echo request .* \[ttl 1\]'  lo39.tcpdump
05:21:11.386375 127.0.0.1 > 10.6.6.6: icmp: echo request (id:379f seq:0) [icmp cksum ok] [ttl 1] (id 55005, len 84, bad ip cksum 0! -> 53bf)

==== run-bpf-rdomain-loop-38 ====
# 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,'  lo38.tcpdump
05:21:15.757680 127.0.0.1 > 10.7.7.7: icmp: echo request (id:20c4 seq:0) [icmp cksum ok] (ttl 255, id 20950, len 84, bad ip cksum 0! -> d9c3)
! grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .*ttl 254,'  lo38.tcpdump
grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .* \[ttl 1\]'  lo38.tcpdump
05:21:15.758693 127.0.0.1 > 10.7.7.7: icmp: echo request (id:20c4 seq:0) [icmp cksum ok] [ttl 1] (id 20950, len 84, bad ip cksum 0! -> d7c4)

==== run-bpf-rdomain-loop-39 ====
# 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,'  lo39.tcpdump
05:21:15.757699 127.0.0.1 > 10.7.7.7: icmp: echo request (id:20c4 seq:0) [icmp cksum ok] (ttl 254, id 20950, len 84, bad ip cksum 0! -> dac3)
grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .*ttl 2,'  lo39.tcpdump
05:21:15.758689 127.0.0.1 > 10.7.7.7: icmp: echo request (id:20c4 seq:0) [icmp cksum ok] (ttl 2, id 20950, len 84, bad ip cksum 0! -> d6c4)
! grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .* \[ttl 1\]'  lo39.tcpdump

==== unconfig ====
# Destroy interfaces.
doas -n /sbin/ifconfig lo38 rdomain 38
doas -n /sbin/ifconfig lo38 inet 127.0.0.1 delete
doas -n /sbin/ifconfig lo38 inet 127.0.0.38 delete
doas -n /sbin/ifconfig lo38 destroy
doas -n /sbin/ifconfig lo39 rdomain 39
doas -n /sbin/ifconfig lo39 inet 127.0.0.1 delete
doas -n /sbin/ifconfig lo39 inet 127.0.0.39 delete
doas -n /sbin/ifconfig lo39 destroy
rm -f stamp-ifconfig