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Commit 5a2e6af8 authored by Florian Westphal's avatar Florian Westphal Committed by Pablo Neira Ayuso
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selftests: netfilter: use randomized netns names 

Using ns0, ns1, etc. isn't a good idea, they might exist already.
Use a random suffix.

Also, older nft versions don't support "-" as alias for stdin, so
use /dev/stdin instead.
Signed-off-by: default avatarFlorian Westphal <fw@strlen.de>
Acked-by: default avatarPhil Sutter <phil@nwl.cc>
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent d1f4c966
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Showing with 176 additions and 156 deletions
tools/testing/selftests/netfilter/nft_nat.sh
View file @ 5a2e6af8
......@@ -8,9 +8,14 @@ ksft_skip=4
ret=0
test_inet_nat=true
sfx=$(mktemp -u "XXXXXXXX")
ns0="ns0-$sfx"
ns1="ns1-$sfx"
ns2="ns2-$sfx"
cleanup()
{
for i in 0 1 2; do ip netns del ns$i;done
for i in 0 1 2; do ip netns del ns$i-"$sfx";done
}
nft --version > /dev/null 2>&1
......@@ -25,40 +30,49 @@ if [ $? -ne 0 ];then
exit $ksft_skip
fi
ip netns add ns0
ip netns add "$ns0"
if [ $? -ne 0 ];then
echo "SKIP: Could not create net namespace"
echo "SKIP: Could not create net namespace $ns0"
exit $ksft_skip
fi
trap cleanup EXIT
ip netns add ns1
ip netns add ns2
ip netns add "$ns1"
if [ $? -ne 0 ];then
echo "SKIP: Could not create net namespace $ns1"
exit $ksft_skip
fi
ip netns add "$ns2"
if [ $? -ne 0 ];then
echo "SKIP: Could not create net namespace $ns2"
exit $ksft_skip
fi
ip link add veth0 netns ns0 type veth peer name eth0 netns ns1 > /dev/null 2>&1
ip link add veth0 netns "$ns0" type veth peer name eth0 netns "$ns1" > /dev/null 2>&1
if [ $? -ne 0 ];then
echo "SKIP: No virtual ethernet pair device support in kernel"
exit $ksft_skip
fi
ip link add veth1 netns ns0 type veth peer name eth0 netns ns2
ip link add veth1 netns "$ns0" type veth peer name eth0 netns "$ns2"
ip -net ns0 link set lo up
ip -net ns0 link set veth0 up
ip -net ns0 addr add 10.0.1.1/24 dev veth0
ip -net ns0 addr add dead:1::1/64 dev veth0
ip -net "$ns0" link set lo up
ip -net "$ns0" link set veth0 up
ip -net "$ns0" addr add 10.0.1.1/24 dev veth0
ip -net "$ns0" addr add dead:1::1/64 dev veth0
ip -net ns0 link set veth1 up
ip -net ns0 addr add 10.0.2.1/24 dev veth1
ip -net ns0 addr add dead:2::1/64 dev veth1
ip -net "$ns0" link set veth1 up
ip -net "$ns0" addr add 10.0.2.1/24 dev veth1
ip -net "$ns0" addr add dead:2::1/64 dev veth1
for i in 1 2; do
ip -net ns$i link set lo up
ip -net ns$i link set eth0 up
ip -net ns$i addr add 10.0.$i.99/24 dev eth0
ip -net ns$i route add default via 10.0.$i.1
ip -net ns$i addr add dead:$i::99/64 dev eth0
ip -net ns$i route add default via dead:$i::1
ip -net ns$i-$sfx link set lo up
ip -net ns$i-$sfx link set eth0 up
ip -net ns$i-$sfx addr add 10.0.$i.99/24 dev eth0
ip -net ns$i-$sfx route add default via 10.0.$i.1
ip -net ns$i-$sfx addr add dead:$i::99/64 dev eth0
ip -net ns$i-$sfx route add default via dead:$i::1
done
bad_counter()
......@@ -66,8 +80,9 @@ bad_counter()
local ns=$1
local counter=$2
local expect=$3
local tag=$4
echo "ERROR: $counter counter in $ns has unexpected value (expected $expect)" 1>&2
echo "ERROR: $counter counter in $ns has unexpected value (expected $expect) at $tag" 1>&2
ip netns exec $ns nft list counter inet filter $counter 1>&2
}
......@@ -78,24 +93,24 @@ check_counters()
cnt=$(ip netns exec $ns nft list counter inet filter ns0in | grep -q "packets 1 bytes 84")
if [ $? -ne 0 ]; then
bad_counter $ns ns0in "packets 1 bytes 84"
bad_counter $ns ns0in "packets 1 bytes 84" "check_counters 1"
lret=1
fi
cnt=$(ip netns exec $ns nft list counter inet filter ns0out | grep -q "packets 1 bytes 84")
if [ $? -ne 0 ]; then
bad_counter $ns ns0out "packets 1 bytes 84"
bad_counter $ns ns0out "packets 1 bytes 84" "check_counters 2"
lret=1
fi
expect="packets 1 bytes 104"
cnt=$(ip netns exec $ns nft list counter inet filter ns0in6 | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter $ns ns0in6 "$expect"
bad_counter $ns ns0in6 "$expect" "check_counters 3"
lret=1
fi
cnt=$(ip netns exec $ns nft list counter inet filter ns0out6 | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter $ns ns0out6 "$expect"
bad_counter $ns ns0out6 "$expect" "check_counters 4"
lret=1
fi
......@@ -107,41 +122,41 @@ check_ns0_counters()
local ns=$1
local lret=0
cnt=$(ip netns exec ns0 nft list counter inet filter ns0in | grep -q "packets 0 bytes 0")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ns0in | grep -q "packets 0 bytes 0")
if [ $? -ne 0 ]; then
bad_counter ns0 ns0in "packets 0 bytes 0"
bad_counter "$ns0" ns0in "packets 0 bytes 0" "check_ns0_counters 1"
lret=1
fi
cnt=$(ip netns exec ns0 nft list counter inet filter ns0in6 | grep -q "packets 0 bytes 0")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ns0in6 | grep -q "packets 0 bytes 0")
if [ $? -ne 0 ]; then
bad_counter ns0 ns0in6 "packets 0 bytes 0"
bad_counter "$ns0" ns0in6 "packets 0 bytes 0"
lret=1
fi
cnt=$(ip netns exec ns0 nft list counter inet filter ns0out | grep -q "packets 0 bytes 0")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ns0out | grep -q "packets 0 bytes 0")
if [ $? -ne 0 ]; then
bad_counter ns0 ns0out "packets 0 bytes 0"
bad_counter "$ns0" ns0out "packets 0 bytes 0" "check_ns0_counters 2"
lret=1
fi
cnt=$(ip netns exec ns0 nft list counter inet filter ns0out6 | grep -q "packets 0 bytes 0")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ns0out6 | grep -q "packets 0 bytes 0")
if [ $? -ne 0 ]; then
bad_counter ns0 ns0out6 "packets 0 bytes 0"
bad_counter "$ns0" ns0out6 "packets 0 bytes 0" "check_ns0_counters3 "
lret=1
fi
for dir in "in" "out" ; do
expect="packets 1 bytes 84"
cnt=$(ip netns exec ns0 nft list counter inet filter ${ns}${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ${ns}${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns0 $ns$dir "$expect"
bad_counter "$ns0" $ns$dir "$expect" "check_ns0_counters 4"
lret=1
fi
expect="packets 1 bytes 104"
cnt=$(ip netns exec ns0 nft list counter inet filter ${ns}${dir}6 | grep -q "$expect")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ${ns}${dir}6 | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns0 $ns$dir6 "$expect"
bad_counter "$ns0" $ns$dir6 "$expect" "check_ns0_counters 5"
lret=1
fi
done
......@@ -152,7 +167,7 @@ check_ns0_counters()
reset_counters()
{
for i in 0 1 2;do
ip netns exec ns$i nft reset counters inet > /dev/null
ip netns exec ns$i-$sfx nft reset counters inet > /dev/null
done
}
......@@ -166,7 +181,7 @@ test_local_dnat6()
IPF="ip6"
fi
ip netns exec ns0 nft -f - <<EOF
ip netns exec "$ns0" nft -f /dev/stdin <<EOF
table $family nat {
chain output {
type nat hook output priority 0; policy accept;
......@@ -180,7 +195,7 @@ EOF
fi
# ping netns1, expect rewrite to netns2
ip netns exec ns0 ping -q -c 1 dead:1::99 > /dev/null
ip netns exec "$ns0" ping -q -c 1 dead:1::99 > /dev/null
if [ $? -ne 0 ]; then
lret=1
echo "ERROR: ping6 failed"
......@@ -189,18 +204,18 @@ EOF
expect="packets 0 bytes 0"
for dir in "in6" "out6" ; do
cnt=$(ip netns exec ns0 nft list counter inet filter ns1${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns0 ns1$dir "$expect"
bad_counter "$ns0" ns1$dir "$expect" "test_local_dnat6 1"
lret=1
fi
done
expect="packets 1 bytes 104"
for dir in "in6" "out6" ; do
cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns0 ns2$dir "$expect"
bad_counter "$ns0" ns2$dir "$expect" "test_local_dnat6 2"
lret=1
fi
done
......@@ -208,9 +223,9 @@ EOF
# expect 0 count in ns1
expect="packets 0 bytes 0"
for dir in "in6" "out6" ; do
cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns1" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns0$dir "$expect"
bad_counter "$ns1" ns0$dir "$expect" "test_local_dnat6 3"
lret=1
fi
done
......@@ -218,15 +233,15 @@ EOF
# expect 1 packet in ns2
expect="packets 1 bytes 104"
for dir in "in6" "out6" ; do
cnt=$(ip netns exec ns2 nft list counter inet filter ns0${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns2" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns2 ns0$dir "$expect"
bad_counter "$ns2" ns0$dir "$expect" "test_local_dnat6 4"
lret=1
fi
done
test $lret -eq 0 && echo "PASS: ipv6 ping to ns1 was $family NATted to ns2"
ip netns exec ns0 nft flush chain ip6 nat output
test $lret -eq 0 && echo "PASS: ipv6 ping to $ns1 was $family NATted to $ns2"
ip netns exec "$ns0" nft flush chain ip6 nat output
return $lret
}
......@@ -241,7 +256,7 @@ test_local_dnat()
IPF="ip"
fi
ip netns exec ns0 nft -f - <<EOF 2>/dev/null
ip netns exec "$ns0" nft -f /dev/stdin <<EOF 2>/dev/null
table $family nat {
chain output {
type nat hook output priority 0; policy accept;
......@@ -260,7 +275,7 @@ EOF
fi
# ping netns1, expect rewrite to netns2
ip netns exec ns0 ping -q -c 1 10.0.1.99 > /dev/null
ip netns exec "$ns0" ping -q -c 1 10.0.1.99 > /dev/null
if [ $? -ne 0 ]; then
lret=1
echo "ERROR: ping failed"
......@@ -269,18 +284,18 @@ EOF
expect="packets 0 bytes 0"
for dir in "in" "out" ; do
cnt=$(ip netns exec ns0 nft list counter inet filter ns1${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns0 ns1$dir "$expect"
bad_counter "$ns0" ns1$dir "$expect" "test_local_dnat 1"
lret=1
fi
done
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns0 ns2$dir "$expect"
bad_counter "$ns0" ns2$dir "$expect" "test_local_dnat 2"
lret=1
fi
done
......@@ -288,9 +303,9 @@ EOF
# expect 0 count in ns1
expect="packets 0 bytes 0"
for dir in "in" "out" ; do
cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns1" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns0$dir "$expect"
bad_counter "$ns1" ns0$dir "$expect" "test_local_dnat 3"
lret=1
fi
done
......@@ -298,19 +313,19 @@ EOF
# expect 1 packet in ns2
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
cnt=$(ip netns exec ns2 nft list counter inet filter ns0${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns2" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns2 ns0$dir "$expect"
bad_counter "$ns2" ns0$dir "$expect" "test_local_dnat 4"
lret=1
fi
done
test $lret -eq 0 && echo "PASS: ping to ns1 was $family NATted to ns2"
test $lret -eq 0 && echo "PASS: ping to $ns1 was $family NATted to $ns2"
ip netns exec ns0 nft flush chain $family nat output
ip netns exec "$ns0" nft flush chain $family nat output
reset_counters
ip netns exec ns0 ping -q -c 1 10.0.1.99 > /dev/null
ip netns exec "$ns0" ping -q -c 1 10.0.1.99 > /dev/null
if [ $? -ne 0 ]; then
lret=1
echo "ERROR: ping failed"
......@@ -319,17 +334,17 @@ EOF
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
cnt=$(ip netns exec ns0 nft list counter inet filter ns1${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns1$dir "$expect"
bad_counter "$ns1" ns1$dir "$expect" "test_local_dnat 5"
lret=1
fi
done
expect="packets 0 bytes 0"
for dir in "in" "out" ; do
cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns0 ns2$dir "$expect"
bad_counter "$ns0" ns2$dir "$expect" "test_local_dnat 6"
lret=1
fi
done
......@@ -337,9 +352,9 @@ EOF
# expect 1 count in ns1
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns1" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns0 ns0$dir "$expect"
bad_counter "$ns0" ns0$dir "$expect" "test_local_dnat 7"
lret=1
fi
done
......@@ -347,14 +362,14 @@ EOF
# expect 0 packet in ns2
expect="packets 0 bytes 0"
for dir in "in" "out" ; do
cnt=$(ip netns exec ns2 nft list counter inet filter ns0${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns2" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns2 ns2$dir "$expect"
bad_counter "$ns2" ns0$dir "$expect" "test_local_dnat 8"
lret=1
fi
done
test $lret -eq 0 && echo "PASS: ping to ns1 OK after $family nat output chain flush"
test $lret -eq 0 && echo "PASS: ping to $ns1 OK after $family nat output chain flush"
return $lret
}
......@@ -366,26 +381,26 @@ test_masquerade6()
local natflags=$2
local lret=0
ip netns exec ns0 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
ip netns exec "$ns0" sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
ip netns exec "$ns2" ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
echo "ERROR: cannot ping ns1 from ns2 via ipv6"
echo "ERROR: cannot ping $ns1 from $ns2 via ipv6"
return 1
lret=1
fi
expect="packets 1 bytes 104"
for dir in "in6" "out6" ; do
cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns2$dir "$expect"
bad_counter "$ns1" ns2$dir "$expect" "test_masquerade6 1"
lret=1
fi
cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns2" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns2 ns1$dir "$expect"
bad_counter "$ns2" ns1$dir "$expect" "test_masquerade6 2"
lret=1
fi
done
......@@ -393,7 +408,7 @@ test_masquerade6()
reset_counters
# add masquerading rule
ip netns exec ns0 nft -f - <<EOF
ip netns exec "$ns0" nft -f /dev/stdin <<EOF
table $family nat {
chain postrouting {
type nat hook postrouting priority 0; policy accept;
......@@ -406,24 +421,24 @@ EOF
return $ksft_skip
fi
ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
ip netns exec "$ns2" ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
echo "ERROR: cannot ping ns1 from ns2 with active $family masquerade $natflags"
echo "ERROR: cannot ping $ns1 from $ns2 with active $family masquerade $natflags"
lret=1
fi
# ns1 should have seen packets from ns0, due to masquerade
expect="packets 1 bytes 104"
for dir in "in6" "out6" ; do
cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns1" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns0$dir "$expect"
bad_counter "$ns1" ns0$dir "$expect" "test_masquerade6 3"
lret=1
fi
cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns2" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns2 ns1$dir "$expect"
bad_counter "$ns2" ns1$dir "$expect" "test_masquerade6 4"
lret=1
fi
done
......@@ -431,32 +446,32 @@ EOF
# ns1 should not have seen packets from ns2, due to masquerade
expect="packets 0 bytes 0"
for dir in "in6" "out6" ; do
cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns0$dir "$expect"
bad_counter "$ns1" ns0$dir "$expect" "test_masquerade6 5"
lret=1
fi
cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns2 ns1$dir "$expect"
bad_counter "$ns0" ns1$dir "$expect" "test_masquerade6 6"
lret=1
fi
done
ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
ip netns exec "$ns2" ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
echo "ERROR: cannot ping ns1 from ns2 with active ipv6 masquerade $natflags (attempt 2)"
echo "ERROR: cannot ping $ns1 from $ns2 with active ipv6 masquerade $natflags (attempt 2)"
lret=1
fi
ip netns exec ns0 nft flush chain $family nat postrouting
ip netns exec "$ns0" nft flush chain $family nat postrouting
if [ $? -ne 0 ]; then
echo "ERROR: Could not flush $family nat postrouting" 1>&2
lret=1
fi
test $lret -eq 0 && echo "PASS: $family IPv6 masquerade $natflags for ns2"
test $lret -eq 0 && echo "PASS: $family IPv6 masquerade $natflags for $ns2"
return $lret
}
......@@ -467,26 +482,26 @@ test_masquerade()
local natflags=$2
local lret=0
ip netns exec ns0 sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null
ip netns exec ns0 sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null
ip netns exec "$ns0" sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null
ip netns exec "$ns0" sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null
ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
ip netns exec "$ns2" ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
echo "ERROR: cannot ping ns1 from ns2 $natflags"
echo "ERROR: cannot ping $ns1 from "$ns2" $natflags"
lret=1
fi
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns2$dir "$expect"
bad_counter "$ns1" ns2$dir "$expect" "test_masquerade 1"
lret=1
fi
cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns2" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns2 ns1$dir "$expect"
bad_counter "$ns2" ns1$dir "$expect" "test_masquerade 2"
lret=1
fi
done
......@@ -494,7 +509,7 @@ test_masquerade()
reset_counters
# add masquerading rule
ip netns exec ns0 nft -f - <<EOF
ip netns exec "$ns0" nft -f /dev/stdin <<EOF
table $family nat {
chain postrouting {
type nat hook postrouting priority 0; policy accept;
......@@ -507,24 +522,24 @@ EOF
return $ksft_skip
fi
ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
ip netns exec "$ns2" ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
echo "ERROR: cannot ping ns1 from ns2 with active $family masquerade $natflags"
echo "ERROR: cannot ping $ns1 from $ns2 with active $family masquerade $natflags"
lret=1
fi
# ns1 should have seen packets from ns0, due to masquerade
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns1" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns0$dir "$expect"
bad_counter "$ns1" ns0$dir "$expect" "test_masquerade 3"
lret=1
fi
cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns2" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns2 ns1$dir "$expect"
bad_counter "$ns2" ns1$dir "$expect" "test_masquerade 4"
lret=1
fi
done
......@@ -532,32 +547,32 @@ EOF
# ns1 should not have seen packets from ns2, due to masquerade
expect="packets 0 bytes 0"
for dir in "in" "out" ; do
cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns0$dir "$expect"
bad_counter "$ns1" ns0$dir "$expect" "test_masquerade 5"
lret=1
fi
cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns2 ns1$dir "$expect"
bad_counter "$ns0" ns1$dir "$expect" "test_masquerade 6"
lret=1
fi
done
ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
ip netns exec "$ns2" ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
echo "ERROR: cannot ping ns1 from ns2 with active ip masquerade $natflags (attempt 2)"
echo "ERROR: cannot ping $ns1 from $ns2 with active ip masquerade $natflags (attempt 2)"
lret=1
fi
ip netns exec ns0 nft flush chain $family nat postrouting
ip netns exec "$ns0" nft flush chain $family nat postrouting
if [ $? -ne 0 ]; then
echo "ERROR: Could not flush $family nat postrouting" 1>&2
lret=1
fi
test $lret -eq 0 && echo "PASS: $family IP masquerade $natflags for ns2"
test $lret -eq 0 && echo "PASS: $family IP masquerade $natflags for $ns2"
return $lret
}
......@@ -567,25 +582,25 @@ test_redirect6()
local family=$1
local lret=0
ip netns exec ns0 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
ip netns exec "$ns0" sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
ip netns exec "$ns2" ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
echo "ERROR: cannnot ping ns1 from ns2 via ipv6"
echo "ERROR: cannnot ping $ns1 from $ns2 via ipv6"
lret=1
fi
expect="packets 1 bytes 104"
for dir in "in6" "out6" ; do
cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns2$dir "$expect"
bad_counter "$ns1" ns2$dir "$expect" "test_redirect6 1"
lret=1
fi
cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns2" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns2 ns1$dir "$expect"
bad_counter "$ns2" ns1$dir "$expect" "test_redirect6 2"
lret=1
fi
done
......@@ -593,7 +608,7 @@ test_redirect6()
reset_counters
# add redirect rule
ip netns exec ns0 nft -f - <<EOF
ip netns exec "$ns0" nft -f /dev/stdin <<EOF
table $family nat {
chain prerouting {
type nat hook prerouting priority 0; policy accept;
......@@ -606,18 +621,18 @@ EOF
return $ksft_skip
fi
ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
ip netns exec "$ns2" ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
echo "ERROR: cannot ping ns1 from ns2 via ipv6 with active $family redirect"
echo "ERROR: cannot ping $ns1 from $ns2 via ipv6 with active $family redirect"
lret=1
fi
# ns1 should have seen no packets from ns2, due to redirection
expect="packets 0 bytes 0"
for dir in "in6" "out6" ; do
cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns0$dir "$expect"
bad_counter "$ns1" ns0$dir "$expect" "test_redirect6 3"
lret=1
fi
done
......@@ -625,20 +640,20 @@ EOF
# ns0 should have seen packets from ns2, due to masquerade
expect="packets 1 bytes 104"
for dir in "in6" "out6" ; do
cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns0$dir "$expect"
bad_counter "$ns1" ns0$dir "$expect" "test_redirect6 4"
lret=1
fi
done
ip netns exec ns0 nft delete table $family nat
ip netns exec "$ns0" nft delete table $family nat
if [ $? -ne 0 ]; then
echo "ERROR: Could not delete $family nat table" 1>&2
lret=1
fi
test $lret -eq 0 && echo "PASS: $family IPv6 redirection for ns2"
test $lret -eq 0 && echo "PASS: $family IPv6 redirection for $ns2"
return $lret
}
......@@ -648,26 +663,26 @@ test_redirect()
local family=$1
local lret=0
ip netns exec ns0 sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null
ip netns exec ns0 sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null
ip netns exec "$ns0" sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null
ip netns exec "$ns0" sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null
ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
ip netns exec "$ns2" ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
echo "ERROR: cannot ping ns1 from ns2"
echo "ERROR: cannot ping $ns1 from $ns2"
lret=1
fi
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns2$dir "$expect"
bad_counter "$ns1" $ns2$dir "$expect" "test_redirect 1"
lret=1
fi
cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns2" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns2 ns1$dir "$expect"
bad_counter "$ns2" ns1$dir "$expect" "test_redirect 2"
lret=1
fi
done
......@@ -675,7 +690,7 @@ test_redirect()
reset_counters
# add redirect rule
ip netns exec ns0 nft -f - <<EOF
ip netns exec "$ns0" nft -f /dev/stdin <<EOF
table $family nat {
chain prerouting {
type nat hook prerouting priority 0; policy accept;
......@@ -688,9 +703,9 @@ EOF
return $ksft_skip
fi
ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
ip netns exec "$ns2" ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
echo "ERROR: cannot ping ns1 from ns2 with active $family ip redirect"
echo "ERROR: cannot ping $ns1 from $ns2 with active $family ip redirect"
lret=1
fi
......@@ -698,9 +713,9 @@ EOF
expect="packets 0 bytes 0"
for dir in "in" "out" ; do
cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns0$dir "$expect"
bad_counter "$ns1" ns0$dir "$expect" "test_redirect 3"
lret=1
fi
done
......@@ -708,28 +723,28 @@ EOF
# ns0 should have seen packets from ns2, due to masquerade
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect")
cnt=$(ip netns exec "$ns0" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns0$dir "$expect"
bad_counter "$ns0" ns0$dir "$expect" "test_redirect 4"
lret=1
fi
done
ip netns exec ns0 nft delete table $family nat
ip netns exec "$ns0" nft delete table $family nat
if [ $? -ne 0 ]; then
echo "ERROR: Could not delete $family nat table" 1>&2
lret=1
fi
test $lret -eq 0 && echo "PASS: $family IP redirection for ns2"
test $lret -eq 0 && echo "PASS: $family IP redirection for $ns2"
return $lret
}
# ip netns exec ns0 ping -c 1 -q 10.0.$i.99
# ip netns exec "$ns0" ping -c 1 -q 10.0.$i.99
for i in 0 1 2; do
ip netns exec ns$i nft -f - <<EOF
ip netns exec ns$i-$sfx nft -f /dev/stdin <<EOF
table inet filter {
counter ns0in {}
counter ns1in {}
......@@ -796,18 +811,18 @@ done
sleep 3
# test basic connectivity
for i in 1 2; do
ip netns exec ns0 ping -c 1 -q 10.0.$i.99 > /dev/null
ip netns exec "$ns0" ping -c 1 -q 10.0.$i.99 > /dev/null
if [ $? -ne 0 ];then
echo "ERROR: Could not reach other namespace(s)" 1>&2
ret=1
fi
ip netns exec ns0 ping -c 1 -q dead:$i::99 > /dev/null
ip netns exec "$ns0" ping -c 1 -q dead:$i::99 > /dev/null
if [ $? -ne 0 ];then
echo "ERROR: Could not reach other namespace(s) via ipv6" 1>&2
ret=1
fi
check_counters ns$i
check_counters ns$i-$sfx
if [ $? -ne 0 ]; then
ret=1
fi
......@@ -820,7 +835,7 @@ for i in 1 2; do
done
if [ $ret -eq 0 ];then
echo "PASS: netns routing/connectivity: ns0 can reach ns1 and ns2"
echo "PASS: netns routing/connectivity: $ns0 can reach $ns1 and $ns2"
fi
reset_counters
......@@ -846,4 +861,9 @@ reset_counters
$test_inet_nat && test_redirect inet
$test_inet_nat && test_redirect6 inet
if [ $ret -ne 0 ];then
echo -n "FAIL: "
nft --version
fi
exit $ret
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