Tests are mostly copied from tcp_md5 with minor changes.
It covers VRF support but only based on binding multiple servers: not multiple keys bound to different interfaces.
Also add a specific -t tcp_authopt to run only these tests specifically.
Signed-off-by: Leonard Crestez cdleonard@gmail.com --- tools/testing/selftests/net/fcnal-test.sh | 329 +++++++++++++++++++++- 1 file changed, 327 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh index 31c3b6ebd388..ae0cccd6fcca 100755 --- a/tools/testing/selftests/net/fcnal-test.sh +++ b/tools/testing/selftests/net/fcnal-test.sh @@ -830,10 +830,330 @@ ipv4_ping() }
################################################################################ # IPv4 TCP
+# +# TCP Authentication Option Tests +# + +# try to enable tcp_authopt sysctl +enable_tcp_authopt() +{ + if [[ -e /proc/sys/net/ipv4/tcp_authopt ]]; then + sysctl -w net.ipv4.tcp_authopt=1 + fi +} + +# check if tcp_authopt is compiled with a client-side bind test +has_tcp_authopt() +{ + run_cmd_nsb nettest -b -A ${MD5_PW} -r ${NSA_IP} +} + +# Verify /proc/net/tcp_authopt is empty in all namespaces +check_tcp_authopt_key_leak() +{ + local ns cnt + + for ns in $NSA $NSB $NSC; do + if ! ip netns list | grep -q $ns; then + continue + fi + cnt=$(ip netns exec "$ns" cat /proc/net/tcp_authopt | wc -l) + if [[ $cnt != 1 ]]; then + echo "FAIL: leaked tcp_authopt keys in netns $ns" + ip netns exec $ns cat /proc/net/tcp_authopt + return 1 + fi + done +} + +log_check_tcp_authopt_key_leak() +{ + check_tcp_authopt_key_leak + log_test $? 0 "TCP-AO: Key leak check" +} + +ipv4_tcp_authopt_novrf() +{ + enable_tcp_authopt + if ! has_tcp_authopt; then + echo "TCP-AO appears to be missing, skip" + return 0 + fi + + log_start + run_cmd nettest -s -A ${MD5_PW} -m ${NSB_IP} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -A ${MD5_PW} + log_test $? 0 "AO: Single address config" + + log_start + run_cmd nettest -s & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -A ${MD5_PW} + log_test $? 2 "AO: Server no config, client uses password" + + log_start + run_cmd nettest -s -A ${MD5_PW} -m ${NSB_IP} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -A ${MD5_WRONG_PW} + log_test $? 2 "AO: Client uses wrong password" + log_check_tcp_authopt_key_leak + + log_start + run_cmd nettest -s -A ${MD5_PW} -m ${NSB_LO_IP} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -A ${MD5_PW} + log_test $? 2 "AO: Client address does not match address configured on server" + log_check_tcp_authopt_key_leak + + # client in prefix + log_start + run_cmd nettest -s -A ${MD5_PW} -m ${NS_NET} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -A ${MD5_PW} + log_test $? 0 "AO: Prefix config" + + # client in prefix, wrong password + log_start + show_hint "Should timeout since client uses wrong password" + run_cmd nettest -s -A ${MD5_PW} -m ${NS_NET} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -A ${MD5_WRONG_PW} + log_test $? 2 "AO: Prefix config, client uses wrong password" + log_check_tcp_authopt_key_leak + + # client outside of prefix + log_start + show_hint "Should timeout due to MD5 mismatch" + run_cmd nettest -s -A ${MD5_PW} -m ${NS_NET} & + sleep 1 + run_cmd_nsb nettest -c ${NSB_LO_IP} -r ${NSA_IP} -A ${MD5_PW} + log_test $? 2 "AO: Prefix config, client address not in configured prefix" + log_check_tcp_authopt_key_leak +} + +ipv6_tcp_authopt_novrf() +{ + enable_tcp_authopt + if ! has_tcp_authopt; then + echo "TCP-AO appears to be missing, skip" + return 0 + fi + + log_start + run_cmd nettest -6 -s -A ${MD5_PW} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -A ${MD5_PW} + log_test $? 0 "AO: Simple correct config" + + log_start + run_cmd nettest -6 -s + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -A ${MD5_PW} + log_test $? 2 "AO: Server no config, client uses password" + + log_start + run_cmd nettest -6 -s -A ${MD5_PW} -m ${NSB_IP6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -A ${MD5_WRONG_PW} + log_test $? 2 "AO: Client uses wrong password" + + log_start + run_cmd nettest -6 -s -A ${MD5_PW} -m ${NSB_LO_IP6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -A ${MD5_PW} + log_test $? 2 "AO: Client address does not match address configured on server" +} + +ipv4_tcp_authopt_vrf() +{ + enable_tcp_authopt + if ! has_tcp_authopt; then + echo "TCP-AO appears to be missing, skip" + return 0 + fi + + log_start + run_cmd nettest -s -I ${VRF} -A ${MD5_PW} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -A ${MD5_PW} + log_test $? 0 "AO: VRF: Simple config" + + # + # duplicate config between default VRF and a VRF + # + + log_start + run_cmd nettest -s -I ${VRF} -A ${MD5_PW} -m ${NSB_IP} & + run_cmd nettest -s -A ${MD5_WRONG_PW} -m ${NSB_IP} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -A ${MD5_PW} + log_test $? 0 "AO: VRF: Servers in default VRF and VRF, client in VRF" + + log_start + run_cmd nettest -s -I ${VRF} -A ${MD5_PW} -m ${NSB_IP} & + run_cmd nettest -s -A ${MD5_WRONG_PW} -m ${NSB_IP} & + sleep 1 + run_cmd_nsc nettest -r ${NSA_IP} -A ${MD5_WRONG_PW} + log_test $? 0 "AO: VRF: Servers in default VRF and VRF, client in default VRF" + + log_start + show_hint "Should timeout since client in default VRF uses VRF password" + run_cmd nettest -s -I ${VRF} -A ${MD5_PW} -m ${NSB_IP} & + run_cmd nettest -s -A ${MD5_WRONG_PW} -m ${NSB_IP} & + sleep 1 + run_cmd_nsc nettest -r ${NSA_IP} -A ${MD5_PW} + log_test $? 2 "AO: VRF: Servers in default VRF and VRF, conn in default VRF with VRF pw" + + log_start + show_hint "Should timeout since client in VRF uses default VRF password" + run_cmd nettest -s -I ${VRF} -A ${MD5_PW} -m ${NSB_IP} & + run_cmd nettest -s -A ${MD5_WRONG_PW} -m ${NSB_IP} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -A ${MD5_WRONG_PW} + log_test $? 2 "AO: VRF: Servers in default VRF and VRF, conn in VRF with default VRF pw" + + test_ipv4_tcp_authopt_vrf__global_server__bind_ifindex0 +} + +test_ipv4_tcp_authopt_vrf__global_server__bind_ifindex0() +{ + # This particular test needs tcp_l3mdev_accept=1 for Global server to accept VRF connections + local old_tcp_l3mdev_accept + old_tcp_l3mdev_accept=$(get_sysctl net.ipv4.tcp_l3mdev_accept) + set_sysctl net.ipv4.tcp_l3mdev_accept=1 + + log_start + run_cmd nettest -s -A ${MD5_PW} --force-bind-key-ifindex & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -A ${MD5_PW} + log_test $? 2 "AO: VRF: Global server, Key bound to ifindex=0 rejects VRF connection" + + log_start + run_cmd nettest -s -A ${MD5_PW} --force-bind-key-ifindex & + sleep 1 + run_cmd_nsc nettest -r ${NSA_IP} -A ${MD5_PW} + log_test $? 0 "AO: VRF: Global server, key bound to ifindex=0 accepts non-VRF connection" + log_start + + run_cmd nettest -s -A ${MD5_PW} --no-bind-key-ifindex & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -A ${MD5_PW} + log_test $? 0 "AO: VRF: Global server, key not bound to ifindex accepts VRF connection" + + log_start + run_cmd nettest -s -A ${MD5_PW} --no-bind-key-ifindex & + sleep 1 + run_cmd_nsc nettest -r ${NSA_IP} -A ${MD5_PW} + log_test $? 0 "AO: VRF: Global server, key not bound to ifindex accepts non-VRF connection" + + # restore value + set_sysctl net.ipv4.tcp_l3mdev_accept="$old_tcp_l3mdev_accept" +} + +ipv6_tcp_authopt_vrf() +{ + enable_tcp_authopt + if ! has_tcp_authopt; then + echo "TCP-AO appears to be missing, skip" + return 0 + fi + + log_start + run_cmd nettest -6 -s -I ${VRF} -A ${MD5_PW} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -A ${MD5_PW} + log_test $? 0 "AO: VRF: Simple config" + + # + # duplicate config between default VRF and a VRF + # + + log_start + run_cmd nettest -6 -s -I ${VRF} -A ${MD5_PW} -m ${NSB_IP6} & + run_cmd nettest -6 -s -A ${MD5_WRONG_PW} -m ${NSB_IP6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -A ${MD5_PW} + log_test $? 0 "AO: VRF: Servers in default VRF and VRF, client in VRF" + + log_start + run_cmd nettest -6 -s -I ${VRF} -A ${MD5_PW} -m ${NSB_IP6} & + run_cmd nettest -6 -s -A ${MD5_WRONG_PW} -m ${NSB_IP6} & + sleep 1 + run_cmd_nsc nettest -6 -r ${NSA_IP6} -A ${MD5_WRONG_PW} + log_test $? 0 "AO: VRF: Servers in default VRF and VRF, client in default VRF" + + log_start + show_hint "Should timeout since client in default VRF uses VRF password" + run_cmd nettest -6 -s -I ${VRF} -A ${MD5_PW} -m ${NSB_IP6} & + run_cmd nettest -6 -s -A ${MD5_WRONG_PW} -m ${NSB_IP6} & + sleep 1 + run_cmd_nsc nettest -6 -r ${NSA_IP6} -A ${MD5_PW} + log_test $? 2 "AO: VRF: Servers in default VRF and VRF, conn in default VRF with VRF pw" + + log_start + show_hint "Should timeout since client in VRF uses default VRF password" + run_cmd nettest -6 -s -I ${VRF} -A ${MD5_PW} -m ${NSB_IP6} & + run_cmd nettest -6 -s -A ${MD5_WRONG_PW} -m ${NSB_IP6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -A ${MD5_WRONG_PW} + log_test $? 2 "AO: VRF: Servers in default VRF and VRF, conn in VRF with default VRF pw" + + log_start + run_cmd nettest -6 -s -I ${VRF} -A ${MD5_PW} -m ${NS_NET6} & + run_cmd nettest -6 -s -A ${MD5_WRONG_PW} -m ${NS_NET6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -A ${MD5_PW} + log_test $? 0 "AO: VRF: Prefix config in default VRF and VRF, conn in VRF" + + log_start + run_cmd nettest -6 -s -I ${VRF} -A ${MD5_PW} -m ${NS_NET6} & + run_cmd nettest -6 -s -A ${MD5_WRONG_PW} -m ${NS_NET6} & + sleep 1 + run_cmd_nsc nettest -6 -r ${NSA_IP6} -A ${MD5_WRONG_PW} + log_test $? 0 "AO: VRF: Prefix config in default VRF and VRF, conn in default VRF" + + log_start + show_hint "Should timeout since client in default VRF uses VRF password" + run_cmd nettest -6 -s -I ${VRF} -A ${MD5_PW} -m ${NS_NET6} & + run_cmd nettest -6 -s -A ${MD5_WRONG_PW} -m ${NS_NET6} & + sleep 1 + run_cmd_nsc nettest -6 -r ${NSA_IP6} -A ${MD5_PW} + log_test $? 2 "AO: VRF: Prefix config in def VRF and VRF, conn in def VRF with VRF pw" + + log_start + show_hint "Should timeout since client in VRF uses default VRF password" + run_cmd nettest -6 -s -I ${VRF} -A ${MD5_PW} -m ${NS_NET6} & + run_cmd nettest -6 -s -A ${MD5_WRONG_PW} -m ${NS_NET6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -A ${MD5_WRONG_PW} + log_test $? 2 "AO: VRF: Prefix config in dev VRF and VRF, conn in VRF with def VRF pw" +} + +only_tcp_authopt() +{ + log_section "TCP Authentication Option" + + setup + set_sysctl net.ipv4.tcp_l3mdev_accept=0 + log_subsection "TCP-AO IPv4 no VRF" + ipv4_tcp_authopt_novrf + log_subsection "TCP-AO IPv6 no VRF" + ipv6_tcp_authopt_novrf + + setup "yes" + setup_vrf_dup + set_sysctl net.ipv4.tcp_l3mdev_accept=0 + log_subsection "TCP-AO IPv4 VRF" + ipv4_tcp_authopt_vrf + log_subsection "TCP-AO IPv6 VRF" + ipv6_tcp_authopt_vrf +} + # # MD5 tests without VRF # ipv4_tcp_md5_novrf() { @@ -1215,10 +1535,11 @@ ipv4_tcp_novrf() show_hint "Should fail 'Connection refused'" run_cmd nettest -d ${NSA_DEV} -r ${a} log_test_addr ${a} $? 1 "No server, device client, local conn"
ipv4_tcp_md5_novrf + ipv4_tcp_authopt_novrf }
ipv4_tcp_vrf() { local a @@ -1267,13 +1588,14 @@ ipv4_tcp_vrf() run_cmd nettest -s & sleep 1 run_cmd nettest -r ${a} -d ${NSA_DEV} log_test_addr ${a} $? 1 "Global server, local connection"
- # run MD5 tests + # run MD5+AO tests setup_vrf_dup ipv4_tcp_md5 + ipv6_tcp_md5_vrf cleanup_vrf_dup
# # enable VRF global server # @@ -2771,10 +3093,11 @@ ipv6_tcp_novrf() run_cmd nettest -6 -d ${NSA_DEV} -r ${a} log_test_addr ${a} $? 1 "No server, device client, local conn" done
ipv6_tcp_md5_novrf + ipv6_tcp_authopt_novrf }
ipv6_tcp_vrf() { local a @@ -2839,13 +3162,14 @@ ipv6_tcp_vrf() run_cmd nettest -6 -s & sleep 1 run_cmd nettest -6 -r ${a} -d ${NSA_DEV} log_test_addr ${a} $? 1 "Global server, local connection"
- # run MD5 tests + # run MD5+AO tests setup_vrf_dup ipv6_tcp_md5 + ipv6_tcp_authopt_vrf cleanup_vrf_dup
# # enable VRF global server # @@ -4221,10 +4545,11 @@ do ipv6_bind|bind6) ipv6_addr_bind;; ipv6_runtime) ipv6_runtime;; ipv6_netfilter) ipv6_netfilter;;
use_cases) use_cases;; + tcp_authopt) only_tcp_authopt;;
# setup namespaces and config, but do not run any tests setup) setup; exit 0;; vrf_setup) setup "yes"; exit 0;; esac