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selftests/net: convert vrf_route_leaking.sh to run it in unique namespace
Here is the test result after conversion. ]# ./vrf_route_leaking.sh ########################################################################### IPv4 (sym route): VRF ICMP ttl error route lookup ping ########################################################################### TEST: Basic IPv4 connectivity [ OK ] TEST: Ping received ICMP ttl exceeded [ OK ] ... TEST: Basic IPv6 connectivity [ OK ] TEST: Traceroute6 reports a hop on r1 [ OK ] Tests passed: 18 Tests failed: 0 Acked-by: David Ahern <dsahern@kernel.org> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hangbin Liu
David S. Miller
parent
5ece837174
commit
bedc99abca
1 changed files with 96 additions and 105 deletions
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@ -58,6 +58,7 @@
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# to send an ICMP error back to the source when the ttl of a packet reaches 1
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# while it is forwarded between different vrfs.
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source lib.sh
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VERBOSE=0
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PAUSE_ON_FAIL=no
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DEFAULT_TTYPE=sym
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@ -171,11 +172,7 @@ run_cmd_grep()
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cleanup()
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{
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local ns
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for ns in h1 h2 r1 r2; do
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ip netns del $ns 2>/dev/null
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done
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cleanup_ns $h1 $h2 $r1 $r2
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}
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setup_vrf()
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@ -212,72 +209,69 @@ setup_sym()
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#
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# create nodes as namespaces
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#
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for ns in h1 h2 r1; do
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ip netns add $ns
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ip -netns $ns link set lo up
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case "${ns}" in
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h[12]) ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=0
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setup_ns h1 h2 r1
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for ns in $h1 $h2 $r1; do
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if echo $ns | grep -q h[12]-; then
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ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=0
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ip netns exec $ns sysctl -q -w net.ipv6.conf.all.keep_addr_on_down=1
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;;
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r1) ip netns exec $ns sysctl -q -w net.ipv4.ip_forward=1
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else
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ip netns exec $ns sysctl -q -w net.ipv4.ip_forward=1
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ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=1
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esac
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fi
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done
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#
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# create interconnects
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#
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ip -netns h1 link add eth0 type veth peer name r1h1
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ip -netns h1 link set r1h1 netns r1 name eth0 up
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ip -netns $h1 link add eth0 type veth peer name r1h1
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ip -netns $h1 link set r1h1 netns $r1 name eth0 up
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ip -netns h2 link add eth0 type veth peer name r1h2
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ip -netns h2 link set r1h2 netns r1 name eth1 up
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ip -netns $h2 link add eth0 type veth peer name r1h2
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ip -netns $h2 link set r1h2 netns $r1 name eth1 up
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#
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# h1
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#
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ip -netns h1 addr add dev eth0 ${H1_N1_IP}/24
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ip -netns h1 -6 addr add dev eth0 ${H1_N1_IP6}/64 nodad
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ip -netns h1 link set eth0 up
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ip -netns $h1 addr add dev eth0 ${H1_N1_IP}/24
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ip -netns $h1 -6 addr add dev eth0 ${H1_N1_IP6}/64 nodad
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ip -netns $h1 link set eth0 up
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# h1 to h2 via r1
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ip -netns h1 route add ${H2_N2} via ${R1_N1_IP} dev eth0
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ip -netns h1 -6 route add ${H2_N2_6} via "${R1_N1_IP6}" dev eth0
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ip -netns $h1 route add ${H2_N2} via ${R1_N1_IP} dev eth0
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ip -netns $h1 -6 route add ${H2_N2_6} via "${R1_N1_IP6}" dev eth0
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#
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# h2
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#
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ip -netns h2 addr add dev eth0 ${H2_N2_IP}/24
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ip -netns h2 -6 addr add dev eth0 ${H2_N2_IP6}/64 nodad
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ip -netns h2 link set eth0 up
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ip -netns $h2 addr add dev eth0 ${H2_N2_IP}/24
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ip -netns $h2 -6 addr add dev eth0 ${H2_N2_IP6}/64 nodad
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ip -netns $h2 link set eth0 up
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# h2 to h1 via r1
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ip -netns h2 route add default via ${R1_N2_IP} dev eth0
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ip -netns h2 -6 route add default via ${R1_N2_IP6} dev eth0
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ip -netns $h2 route add default via ${R1_N2_IP} dev eth0
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ip -netns $h2 -6 route add default via ${R1_N2_IP6} dev eth0
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#
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# r1
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#
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setup_vrf r1
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create_vrf r1 blue 1101
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create_vrf r1 red 1102
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ip -netns r1 link set mtu 1400 dev eth1
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ip -netns r1 link set eth0 vrf blue up
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ip -netns r1 link set eth1 vrf red up
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ip -netns r1 addr add dev eth0 ${R1_N1_IP}/24
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ip -netns r1 -6 addr add dev eth0 ${R1_N1_IP6}/64 nodad
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ip -netns r1 addr add dev eth1 ${R1_N2_IP}/24
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ip -netns r1 -6 addr add dev eth1 ${R1_N2_IP6}/64 nodad
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setup_vrf $r1
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create_vrf $r1 blue 1101
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create_vrf $r1 red 1102
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ip -netns $r1 link set mtu 1400 dev eth1
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ip -netns $r1 link set eth0 vrf blue up
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ip -netns $r1 link set eth1 vrf red up
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ip -netns $r1 addr add dev eth0 ${R1_N1_IP}/24
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ip -netns $r1 -6 addr add dev eth0 ${R1_N1_IP6}/64 nodad
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ip -netns $r1 addr add dev eth1 ${R1_N2_IP}/24
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ip -netns $r1 -6 addr add dev eth1 ${R1_N2_IP6}/64 nodad
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# Route leak from blue to red
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ip -netns r1 route add vrf blue ${H2_N2} dev red
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ip -netns r1 -6 route add vrf blue ${H2_N2_6} dev red
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ip -netns $r1 route add vrf blue ${H2_N2} dev red
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ip -netns $r1 -6 route add vrf blue ${H2_N2_6} dev red
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# Route leak from red to blue
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ip -netns r1 route add vrf red ${H1_N1} dev blue
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ip -netns r1 -6 route add vrf red ${H1_N1_6} dev blue
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ip -netns $r1 route add vrf red ${H1_N1} dev blue
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ip -netns $r1 -6 route add vrf red ${H1_N1_6} dev blue
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# Wait for ip config to settle
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@ -293,90 +287,87 @@ setup_asym()
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#
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# create nodes as namespaces
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#
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for ns in h1 h2 r1 r2; do
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ip netns add $ns
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ip -netns $ns link set lo up
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case "${ns}" in
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h[12]) ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=0
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setup_ns h1 h2 r1 r2
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for ns in $h1 $h2 $r1 $r2; do
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if echo $ns | grep -q h[12]-; then
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ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=0
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ip netns exec $ns sysctl -q -w net.ipv6.conf.all.keep_addr_on_down=1
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;;
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r[12]) ip netns exec $ns sysctl -q -w net.ipv4.ip_forward=1
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else
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ip netns exec $ns sysctl -q -w net.ipv4.ip_forward=1
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ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=1
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esac
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fi
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done
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#
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# create interconnects
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#
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ip -netns h1 link add eth0 type veth peer name r1h1
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ip -netns h1 link set r1h1 netns r1 name eth0 up
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ip -netns $h1 link add eth0 type veth peer name r1h1
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ip -netns $h1 link set r1h1 netns $r1 name eth0 up
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ip -netns h1 link add eth1 type veth peer name r2h1
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ip -netns h1 link set r2h1 netns r2 name eth0 up
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ip -netns $h1 link add eth1 type veth peer name r2h1
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ip -netns $h1 link set r2h1 netns $r2 name eth0 up
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ip -netns h2 link add eth0 type veth peer name r1h2
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ip -netns h2 link set r1h2 netns r1 name eth1 up
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ip -netns $h2 link add eth0 type veth peer name r1h2
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ip -netns $h2 link set r1h2 netns $r1 name eth1 up
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ip -netns h2 link add eth1 type veth peer name r2h2
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ip -netns h2 link set r2h2 netns r2 name eth1 up
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ip -netns $h2 link add eth1 type veth peer name r2h2
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ip -netns $h2 link set r2h2 netns $r2 name eth1 up
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#
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# h1
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#
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ip -netns h1 link add br0 type bridge
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ip -netns h1 link set br0 up
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ip -netns h1 addr add dev br0 ${H1_N1_IP}/24
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ip -netns h1 -6 addr add dev br0 ${H1_N1_IP6}/64 nodad
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ip -netns h1 link set eth0 master br0 up
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ip -netns h1 link set eth1 master br0 up
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ip -netns $h1 link add br0 type bridge
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ip -netns $h1 link set br0 up
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ip -netns $h1 addr add dev br0 ${H1_N1_IP}/24
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ip -netns $h1 -6 addr add dev br0 ${H1_N1_IP6}/64 nodad
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ip -netns $h1 link set eth0 master br0 up
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ip -netns $h1 link set eth1 master br0 up
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# h1 to h2 via r1
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ip -netns h1 route add ${H2_N2} via ${R1_N1_IP} dev br0
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ip -netns h1 -6 route add ${H2_N2_6} via "${R1_N1_IP6}" dev br0
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ip -netns $h1 route add ${H2_N2} via ${R1_N1_IP} dev br0
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ip -netns $h1 -6 route add ${H2_N2_6} via "${R1_N1_IP6}" dev br0
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#
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# h2
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#
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ip -netns h2 link add br0 type bridge
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ip -netns h2 link set br0 up
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ip -netns h2 addr add dev br0 ${H2_N2_IP}/24
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ip -netns h2 -6 addr add dev br0 ${H2_N2_IP6}/64 nodad
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ip -netns h2 link set eth0 master br0 up
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ip -netns h2 link set eth1 master br0 up
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ip -netns $h2 link add br0 type bridge
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ip -netns $h2 link set br0 up
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ip -netns $h2 addr add dev br0 ${H2_N2_IP}/24
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ip -netns $h2 -6 addr add dev br0 ${H2_N2_IP6}/64 nodad
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ip -netns $h2 link set eth0 master br0 up
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ip -netns $h2 link set eth1 master br0 up
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# h2 to h1 via r2
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ip -netns h2 route add default via ${R2_N2_IP} dev br0
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ip -netns h2 -6 route add default via ${R2_N2_IP6} dev br0
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ip -netns $h2 route add default via ${R2_N2_IP} dev br0
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ip -netns $h2 -6 route add default via ${R2_N2_IP6} dev br0
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#
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# r1
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#
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setup_vrf r1
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create_vrf r1 blue 1101
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create_vrf r1 red 1102
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ip -netns r1 link set mtu 1400 dev eth1
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ip -netns r1 link set eth0 vrf blue up
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ip -netns r1 link set eth1 vrf red up
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ip -netns r1 addr add dev eth0 ${R1_N1_IP}/24
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ip -netns r1 -6 addr add dev eth0 ${R1_N1_IP6}/64 nodad
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ip -netns r1 addr add dev eth1 ${R1_N2_IP}/24
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ip -netns r1 -6 addr add dev eth1 ${R1_N2_IP6}/64 nodad
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setup_vrf $r1
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create_vrf $r1 blue 1101
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create_vrf $r1 red 1102
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ip -netns $r1 link set mtu 1400 dev eth1
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ip -netns $r1 link set eth0 vrf blue up
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ip -netns $r1 link set eth1 vrf red up
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ip -netns $r1 addr add dev eth0 ${R1_N1_IP}/24
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ip -netns $r1 -6 addr add dev eth0 ${R1_N1_IP6}/64 nodad
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ip -netns $r1 addr add dev eth1 ${R1_N2_IP}/24
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ip -netns $r1 -6 addr add dev eth1 ${R1_N2_IP6}/64 nodad
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# Route leak from blue to red
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ip -netns r1 route add vrf blue ${H2_N2} dev red
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ip -netns r1 -6 route add vrf blue ${H2_N2_6} dev red
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ip -netns $r1 route add vrf blue ${H2_N2} dev red
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ip -netns $r1 -6 route add vrf blue ${H2_N2_6} dev red
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# No route leak from red to blue
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#
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# r2
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#
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ip -netns r2 addr add dev eth0 ${R2_N1_IP}/24
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ip -netns r2 -6 addr add dev eth0 ${R2_N1_IP6}/64 nodad
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ip -netns r2 addr add dev eth1 ${R2_N2_IP}/24
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ip -netns r2 -6 addr add dev eth1 ${R2_N2_IP6}/64 nodad
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ip -netns $r2 addr add dev eth0 ${R2_N1_IP}/24
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ip -netns $r2 -6 addr add dev eth0 ${R2_N1_IP6}/64 nodad
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ip -netns $r2 addr add dev eth1 ${R2_N2_IP}/24
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ip -netns $r2 -6 addr add dev eth1 ${R2_N2_IP6}/64 nodad
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# Wait for ip config to settle
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sleep 2
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@ -384,14 +375,14 @@ setup_asym()
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check_connectivity()
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{
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ip netns exec h1 ping -c1 -w1 ${H2_N2_IP} >/dev/null 2>&1
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ip netns exec $h1 ping -c1 -w1 ${H2_N2_IP} >/dev/null 2>&1
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log_test $? 0 "Basic IPv4 connectivity"
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return $?
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}
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check_connectivity6()
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{
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ip netns exec h1 "${ping6}" -c1 -w1 ${H2_N2_IP6} >/dev/null 2>&1
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ip netns exec $h1 "${ping6}" -c1 -w1 ${H2_N2_IP6} >/dev/null 2>&1
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log_test $? 0 "Basic IPv6 connectivity"
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return $?
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}
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@ -426,7 +417,7 @@ ipv4_traceroute()
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check_connectivity || return
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run_cmd_grep "${R1_N1_IP}" ip netns exec h1 traceroute ${H2_N2_IP}
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run_cmd_grep "${R1_N1_IP}" ip netns exec $h1 traceroute ${H2_N2_IP}
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log_test $? 0 "Traceroute reports a hop on r1"
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}
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@ -449,7 +440,7 @@ ipv6_traceroute()
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check_connectivity6 || return
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run_cmd_grep "${R1_N1_IP6}" ip netns exec h1 traceroute6 ${H2_N2_IP6}
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run_cmd_grep "${R1_N1_IP6}" ip netns exec $h1 traceroute6 ${H2_N2_IP6}
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log_test $? 0 "Traceroute6 reports a hop on r1"
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}
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@ -470,7 +461,7 @@ ipv4_ping_ttl()
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check_connectivity || return
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run_cmd_grep "Time to live exceeded" ip netns exec h1 ping -t1 -c1 -W2 ${H2_N2_IP}
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run_cmd_grep "Time to live exceeded" ip netns exec $h1 ping -t1 -c1 -W2 ${H2_N2_IP}
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log_test $? 0 "Ping received ICMP ttl exceeded"
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}
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@ -491,7 +482,7 @@ ipv4_ping_frag()
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check_connectivity || return
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run_cmd_grep "Frag needed" ip netns exec h1 ping -s 1450 -Mdo -c1 -W2 ${H2_N2_IP}
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run_cmd_grep "Frag needed" ip netns exec $h1 ping -s 1450 -Mdo -c1 -W2 ${H2_N2_IP}
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log_test $? 0 "Ping received ICMP Frag needed"
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}
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@ -512,7 +503,7 @@ ipv6_ping_ttl()
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check_connectivity6 || return
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run_cmd_grep "Time exceeded: Hop limit" ip netns exec h1 "${ping6}" -t1 -c1 -W2 ${H2_N2_IP6}
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run_cmd_grep "Time exceeded: Hop limit" ip netns exec $h1 "${ping6}" -t1 -c1 -W2 ${H2_N2_IP6}
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log_test $? 0 "Ping received ICMP Hop limit"
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}
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@ -533,7 +524,7 @@ ipv6_ping_frag()
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check_connectivity6 || return
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run_cmd_grep "Packet too big" ip netns exec h1 "${ping6}" -s 1450 -Mdo -c1 -W2 ${H2_N2_IP6}
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run_cmd_grep "Packet too big" ip netns exec $h1 "${ping6}" -s 1450 -Mdo -c1 -W2 ${H2_N2_IP6}
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log_test $? 0 "Ping received ICMP Packet too big"
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}
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