[src/trunk]: src/tests/net/ipsec Add test cases of TCP/IPsec on an IPv4-mappe...

[ozaki-r <ozaki-r%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ffec2350be9c
branches:  trunk
changeset: 354505:ffec2350be9c
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Mon Jun 19 10:05:04 2017 +0000

description:
Add test cases of TCP/IPsec on an IPv4-mapped IPv6 address

It reproduces the same panic reported in PR kern/52304
(but not sure that its cause is also same).

diffstat:

 tests/net/ipsec/t_ipsec_misc.sh |  65 ++++++++++++++++++++++++++++++++++++----
 1 files changed, 58 insertions(+), 7 deletions(-)

diffs (120 lines):

diff -r 544f8f76ad6e -r ffec2350be9c tests/net/ipsec/t_ipsec_misc.sh
--- a/tests/net/ipsec/t_ipsec_misc.sh   Mon Jun 19 10:04:23 2017 +0000
+++ b/tests/net/ipsec/t_ipsec_misc.sh   Mon Jun 19 10:05:04 2017 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: t_ipsec_misc.sh,v 1.6 2017/06/01 03:56:47 ozaki-r Exp $
+#      $NetBSD: t_ipsec_misc.sh,v 1.7 2017/06/19 10:05:04 ozaki-r Exp $
 #
 # Copyright (c) 2017 Internet Initiative Japan Inc.
 # All rights reserved.
@@ -313,22 +313,23 @@
 
 test_tcp()
 {
-       local proto=$1
+       local local_proto=$1
        local ip_local=$2
-       local ip_peer=$3
+       local peer_proto=$3
+       local ip_peer=$4
        local port=1234
        local file_send=./file.send
        local file_recv=./file.recv
        local opts=
 
-       if [ $proto = ipv4 ]; then
+       if [ $local_proto = ipv4 ]; then
                opts="-N -w 3 -4"
        else
                opts="-N -w 3 -6"
        fi
 
        # Start nc server
-       start_nc_server $SOCK_PEER $port $file_recv $proto
+       start_nc_server $SOCK_PEER $port $file_recv $peer_proto
 
        export RUMP_SERVER=$SOCK_LOCAL
        # Send a file to the server
@@ -371,7 +372,7 @@
 
        extract_new_packets $BUS > $outfile
 
-       test_tcp ipv4 $ip_local $ip_peer
+       test_tcp ipv4 $ip_local ipv4 $ip_peer
 
        extract_new_packets $BUS > $outfile
        $DEBUG && cat $outfile
@@ -415,7 +416,54 @@
 
        extract_new_packets $BUS > $outfile
 
-       test_tcp ipv6 $ip_local $ip_peer
+       test_tcp ipv6 $ip_local ipv6 $ip_peer
+
+       extract_new_packets $BUS > $outfile
+       $DEBUG && cat $outfile
+
+       if [ $proto != none ]; then
+               atf_check -s exit:0 \
+                   -o match:"$ip_local > $ip_peer: $proto_cap" \
+                   cat $outfile
+               atf_check -s exit:0 \
+                   -o match:"$ip_peer > $ip_local: $proto_cap" \
+                   cat $outfile
+       fi
+}
+
+test_tcp_ipv4mappedipv6()
+{
+       local proto=$1
+       local algo=$2
+       local ip_local=10.0.0.1
+       local ip_peer=10.0.0.2
+       local ip6_peer=::ffff:10.0.0.2
+       local algo_args="$(generate_algo_args $proto $algo)"
+       local proto_cap=$(echo $proto | tr 'a-z' 'A-Z')
+       local outfile=./out
+
+       rump_server_crypto_start $SOCK_LOCAL netipsec
+       rump_server_crypto_start $SOCK_PEER netipsec netinet6
+       rump_server_add_iface $SOCK_LOCAL shmif0 $BUS
+       rump_server_add_iface $SOCK_PEER shmif0 $BUS
+
+       export RUMP_SERVER=$SOCK_LOCAL
+       atf_check -s exit:0 rump.ifconfig shmif0 $ip_local/24
+       atf_check -s exit:0 rump.ifconfig -w 10
+
+       export RUMP_SERVER=$SOCK_PEER
+       atf_check -s exit:0 -o ignore rump.sysctl -w net.inet6.ip6.v6only=0
+       atf_check -s exit:0 rump.ifconfig shmif0 $ip_peer/24
+       atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip6_peer/96
+       atf_check -s exit:0 rump.ifconfig -w 10
+
+       if [ $proto != none ]; then
+               setup_sasp $proto "$algo_args" $ip_local $ip_peer 100
+       fi
+
+       extract_new_packets $BUS > $outfile
+
+       test_tcp ipv4 $ip_local ipv6 $ip_peer
 
        extract_new_packets $BUS > $outfile
        $DEBUG && cat $outfile
@@ -473,14 +521,17 @@
                add_test_lifetime ipv6 esp $algo
                add_test_tcp ipv4 esp $algo
                add_test_tcp ipv6 esp $algo
+               add_test_tcp ipv4mappedipv6 esp $algo
        done
        for algo in $AH_AUTHENTICATION_ALGORITHMS_MINIMUM; do
                add_test_lifetime ipv4 ah $algo
                add_test_lifetime ipv6 ah $algo
                add_test_tcp ipv4 ah $algo
                add_test_tcp ipv6 ah $algo
+               add_test_tcp ipv4mappedipv6 ah $algo
        done
 
        add_test_tcp ipv4 none
        add_test_tcp ipv6 none
+       add_test_tcp ipv4mappedipv6 none
 }