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Message-ID: <ZYAL-wOFe4TppNbO@Laptop-X1>
Date: Mon, 18 Dec 2023 17:08:11 +0800
From: Hangbin Liu <liuhangbin@...il.com>
To: Dmitry Safonov <dima@...sta.com>
Cc: Shuah Khan <shuah@...nel.org>, David Ahern <dsahern@...nel.org>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Salam Noureddine <noureddine@...sta.com>,
Bob Gilligan <gilligan@...sta.com>, linux-kernel@...r.kernel.org,
linux-kselftest@...r.kernel.org, netdev@...r.kernel.org,
Dmitry Safonov <0x7f454c46@...il.com>
Subject: Re: [PATCH 06/12] selftests/net: Add TCP-AO + TCP-MD5 + no sign
listen socket tests
Hi Dmitry,
With 6.7.0-rc3 I always got error
# selftests: net/tcp_ao: unsigned-md5_ipv6
# 1..72
# # 1577[lib/setup.c:243] rand seed 1702890409
# TAP version 13
# ok 1 AO server (INADDR_ANY): AO client: counter TCPAOGood increased 0 => 2
# ok 2 AO server (INADDR_ANY): AO client: connected
# ok 3 AO server (INADDR_ANY): MD5 client
...
# ok 52 TCP-MD5 key intersects with existing TCP-AO key: prefailed as expected: Key was rejected by service
# ok 53 TCP-MD5 key + TCP-AO required: prefailed as expected: Key was rejected by service
# ok 54 TCP-AO required on socket + TCP-MD5 key: prefailed as expected: Key was rejected by service
# not ok 55 # error 1578[unsigned-md5.c:33] Failed to add a route to VRF: Key was rejected by service
# # Planned tests != run tests (72 != 55)
# # Totals: pass:54 fail:0 xfail:0 xpass:0 skip:0 error:1
ok 1 selftests: net/tcp_ao: unsigned-md5_ipv6
Do you have any idea?
Thanks
Hangbin
On Fri, Dec 15, 2023 at 02:36:20AM +0000, Dmitry Safonov wrote:
> The test plan was (most of tests have all 3 client types):
> 1. TCP-AO listen (INADDR_ANY)
> 2. TCP-MD5 listen (INADDR_ANY)
> 3. non-signed listen (INADDR_ANY)
> 4. TCP-AO + TCP-MD5 listen (prefix)
> 5. TCP-AO subprefix add failure [checked in setsockopt-closed.c]
> 6. TCP-AO out of prefix connect [checked in connect-deny.c]
> 7. TCP-AO + TCP-MD5 on connect()
> 8. TCP-AO intersect with TCP-MD5 failure
> 9. Established TCP-AO: add TCP-MD5 key
> 10. Established TCP-MD5: add TCP-AO key
> 11. Established non-signed: add TCP-AO key
>
> Output produced:
> > # ./unsigned-md5_ipv6
> > 1..72
> > # 1592[lib/setup.c:239] rand seed 1697567046
> > TAP version 13
> > ok 1 AO server (INADDR_ANY): AO client: counter TCPAOGood increased 0 => 2
> > ok 2 AO server (INADDR_ANY): AO client: connected
> > ok 3 AO server (INADDR_ANY): MD5 client
> > ok 4 AO server (INADDR_ANY): MD5 client: counter TCPMD5Unexpected increased 0 => 1
> > ok 5 AO server (INADDR_ANY): no sign client: counter TCPAORequired increased 0 => 1
> > ok 6 AO server (INADDR_ANY): unsigned client
> > ok 7 AO server (AO_REQUIRED): AO client: connected
> > ok 8 AO server (AO_REQUIRED): AO client: counter TCPAOGood increased 4 => 6
> > ok 9 AO server (AO_REQUIRED): unsigned client
> > ok 10 AO server (AO_REQUIRED): unsigned client: counter TCPAORequired increased 1 => 2
> > ok 11 MD5 server (INADDR_ANY): AO client: counter TCPAOKeyNotFound increased 0 => 1
> > ok 12 MD5 server (INADDR_ANY): AO client
> > ok 13 MD5 server (INADDR_ANY): MD5 client: connected
> > ok 14 MD5 server (INADDR_ANY): MD5 client: no counter checks
> > ok 15 MD5 server (INADDR_ANY): no sign client
> > ok 16 MD5 server (INADDR_ANY): no sign client: counter TCPMD5NotFound increased 0 => 1
> > ok 17 no sign server: AO client
> > ok 18 no sign server: AO client: counter TCPAOKeyNotFound increased 1 => 2
> > ok 19 no sign server: MD5 client
> > ok 20 no sign server: MD5 client: counter TCPMD5Unexpected increased 1 => 2
> > ok 21 no sign server: no sign client: connected
> > ok 22 no sign server: no sign client: counter CurrEstab increased 0 => 1
> > ok 23 AO+MD5 server: AO client (matching): connected
> > ok 24 AO+MD5 server: AO client (matching): counter TCPAOGood increased 8 => 10
> > ok 25 AO+MD5 server: AO client (misconfig, matching MD5)
> > ok 26 AO+MD5 server: AO client (misconfig, matching MD5): counter TCPAOKeyNotFound increased 2 => 3
> > ok 27 AO+MD5 server: AO client (misconfig, non-matching): counter TCPAOKeyNotFound increased 3 => 4
> > ok 28 AO+MD5 server: AO client (misconfig, non-matching)
> > ok 29 AO+MD5 server: MD5 client (matching): connected
> > ok 30 AO+MD5 server: MD5 client (matching): no counter checks
> > ok 31 AO+MD5 server: MD5 client (misconfig, matching AO)
> > ok 32 AO+MD5 server: MD5 client (misconfig, matching AO): counter TCPMD5Unexpected increased 2 => 3
> > ok 33 AO+MD5 server: MD5 client (misconfig, non-matching)
> > ok 34 AO+MD5 server: MD5 client (misconfig, non-matching): counter TCPMD5Unexpected increased 3 => 4
> > ok 35 AO+MD5 server: no sign client (unmatched): connected
> > ok 36 AO+MD5 server: no sign client (unmatched): counter CurrEstab increased 0 => 1
> > ok 37 AO+MD5 server: no sign client (misconfig, matching AO)
> > ok 38 AO+MD5 server: no sign client (misconfig, matching AO): counter TCPAORequired increased 2 => 3
> > ok 39 AO+MD5 server: no sign client (misconfig, matching MD5)
> > ok 40 AO+MD5 server: no sign client (misconfig, matching MD5): counter TCPMD5NotFound increased 1 => 2
> > ok 41 AO+MD5 server: client with both [TCP-MD5] and TCP-AO keys: connect() was prevented
> > ok 42 AO+MD5 server: client with both [TCP-MD5] and TCP-AO keys: no counter checks
> > ok 43 AO+MD5 server: client with both TCP-MD5 and [TCP-AO] keys: connect() was prevented
> > ok 44 AO+MD5 server: client with both TCP-MD5 and [TCP-AO] keys: no counter checks
> > ok 45 TCP-AO established: add TCP-MD5 key: postfailed as expected
> > ok 46 TCP-AO established: add TCP-MD5 key: counter TCPAOGood increased 12 => 14
> > ok 47 TCP-MD5 established: add TCP-AO key: postfailed as expected
> > ok 48 TCP-MD5 established: add TCP-AO key: no counter checks
> > ok 49 non-signed established: add TCP-AO key: postfailed as expected
> > ok 50 non-signed established: add TCP-AO key: counter CurrEstab increased 0 => 1
> > ok 51 TCP-AO key intersects with existing TCP-MD5 key: prefailed as expected: Key was rejected by service
> > ok 52 TCP-MD5 key intersects with existing TCP-AO key: prefailed as expected: Key was rejected by service
> > ok 53 TCP-MD5 key + TCP-AO required: prefailed as expected: Key was rejected by service
> > ok 54 TCP-AO required on socket + TCP-MD5 key: prefailed as expected: Key was rejected by service
> > ok 55 VRF: TCP-AO key (no l3index) + TCP-MD5 key (no l3index): prefailed as expected: Key was rejected by service
> > ok 56 VRF: TCP-MD5 key (no l3index) + TCP-AO key (no l3index): prefailed as expected: Key was rejected by service
> > ok 57 VRF: TCP-AO key (no l3index) + TCP-MD5 key (l3index=0): prefailed as expected: Key was rejected by service
> > ok 58 VRF: TCP-MD5 key (l3index=0) + TCP-AO key (no l3index): prefailed as expected: Key was rejected by service
> > ok 59 VRF: TCP-AO key (no l3index) + TCP-MD5 key (l3index=N): prefailed as expected: Key was rejected by service
> > ok 60 VRF: TCP-MD5 key (l3index=N) + TCP-AO key (no l3index): prefailed as expected: Key was rejected by service
> > ok 61 VRF: TCP-AO key (l3index=0) + TCP-MD5 key (no l3index): prefailed as expected: Key was rejected by service
> > ok 62 VRF: TCP-MD5 key (no l3index) + TCP-AO key (l3index=0): prefailed as expected: Key was rejected by service
> > ok 63 VRF: TCP-AO key (l3index=0) + TCP-MD5 key (l3index=0): prefailed as expected: Key was rejected by service
> > ok 64 VRF: TCP-MD5 key (l3index=0) + TCP-AO key (l3index=0): prefailed as expected: Key was rejected by service
> > ok 65 VRF: TCP-AO key (l3index=0) + TCP-MD5 key (l3index=N)
> > ok 66 VRF: TCP-MD5 key (l3index=N) + TCP-AO key (l3index=0)
> > ok 67 VRF: TCP-AO key (l3index=N) + TCP-MD5 key (no l3index): prefailed as expected: Key was rejected by service
> > ok 68 VRF: TCP-MD5 key (no l3index) + TCP-AO key (l3index=N): prefailed as expected: Key was rejected by service
> > ok 69 VRF: TCP-AO key (l3index=N) + TCP-MD5 key (l3index=0)
> > ok 70 VRF: TCP-MD5 key (l3index=0) + TCP-AO key (l3index=N)
> > ok 71 VRF: TCP-AO key (l3index=N) + TCP-MD5 key (l3index=N): prefailed as expected: Key was rejected by service
> > ok 72 VRF: TCP-MD5 key (l3index=N) + TCP-AO key (l3index=N): prefailed as expected: Key was rejected by service
> > # Totals: pass:72 fail:0 xfail:0 xpass:0 skip:0 error:0
>
> Signed-off-by: Dmitry Safonov <dima@...sta.com>
> ---
> tools/testing/selftests/net/tcp_ao/Makefile | 1 +
> tools/testing/selftests/net/tcp_ao/unsigned-md5.c | 742 ++++++++++++++++++++++
> 2 files changed, 743 insertions(+)
>
> diff --git a/tools/testing/selftests/net/tcp_ao/Makefile b/tools/testing/selftests/net/tcp_ao/Makefile
> index 1efd98ca12db..ee2f1a17e805 100644
> --- a/tools/testing/selftests/net/tcp_ao/Makefile
> +++ b/tools/testing/selftests/net/tcp_ao/Makefile
> @@ -3,6 +3,7 @@ TEST_BOTH_AF := connect
> TEST_BOTH_AF += connect-deny
> TEST_BOTH_AF += icmps-accept icmps-discard
> TEST_BOTH_AF += setsockopt-closed
> +TEST_BOTH_AF += unsigned-md5
>
> TEST_IPV4_PROGS := $(TEST_BOTH_AF:%=%_ipv4)
> TEST_IPV6_PROGS := $(TEST_BOTH_AF:%=%_ipv6)
> diff --git a/tools/testing/selftests/net/tcp_ao/unsigned-md5.c b/tools/testing/selftests/net/tcp_ao/unsigned-md5.c
> new file mode 100644
> index 000000000000..7cffde02d2be
> --- /dev/null
> +++ b/tools/testing/selftests/net/tcp_ao/unsigned-md5.c
> @@ -0,0 +1,742 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/* Author: Dmitry Safonov <dima@...sta.com> */
> +#include <inttypes.h>
> +#include "aolib.h"
> +
> +#define fault(type) (inj == FAULT_ ## type)
> +static const char *md5_password = "Some evil genius, enemy to mankind, must have been the first contriver.";
> +static const char *ao_password = DEFAULT_TEST_PASSWORD;
> +
> +static union tcp_addr client2;
> +static union tcp_addr client3;
> +
> +static const int test_vrf_ifindex = 200;
> +static const uint8_t test_vrf_tabid = 42;
> +static void setup_vrfs(void)
> +{
> + int err;
> +
> + if (!kernel_config_has(KCONFIG_NET_VRF))
> + return;
> +
> + err = add_vrf("ksft-vrf", test_vrf_tabid, test_vrf_ifindex, -1);
> + if (err)
> + test_error("Failed to add a VRF: %d", err);
> +
> + err = link_set_up("ksft-vrf");
> + if (err)
> + test_error("Failed to bring up a VRF");
> +
> + err = ip_route_add_vrf(veth_name, TEST_FAMILY,
> + this_ip_addr, this_ip_dest, test_vrf_tabid);
> + if (err)
> + test_error("Failed to add a route to VRF");
> +}
> +
> +static void try_accept(const char *tst_name, unsigned int port,
> + union tcp_addr *md5_addr, uint8_t md5_prefix,
> + union tcp_addr *ao_addr, uint8_t ao_prefix,
> + bool set_ao_required,
> + uint8_t sndid, uint8_t rcvid, uint8_t vrf,
> + const char *cnt_name, test_cnt cnt_expected,
> + int needs_tcp_md5, fault_t inj)
> +{
> + struct tcp_ao_counters ao_cnt1, ao_cnt2;
> + uint64_t before_cnt = 0, after_cnt = 0; /* silence GCC */
> + int lsk, err, sk = 0;
> + time_t timeout;
> +
> + if (needs_tcp_md5 && should_skip_test(tst_name, KCONFIG_TCP_MD5))
> + return;
> +
> + lsk = test_listen_socket(this_ip_addr, port, 1);
> +
> + if (md5_addr && test_set_md5(lsk, *md5_addr, md5_prefix, -1, md5_password))
> + test_error("setsockopt(TCP_MD5SIG_EXT)");
> +
> + if (ao_addr && test_add_key(lsk, ao_password,
> + *ao_addr, ao_prefix, sndid, rcvid))
> + test_error("setsockopt(TCP_AO_ADD_KEY)");
> +
> + if (set_ao_required && test_set_ao_flags(lsk, true, false))
> + test_error("setsockopt(TCP_AO_INFO)");
> +
> + if (cnt_name)
> + before_cnt = netstat_get_one(cnt_name, NULL);
> + if (ao_addr && test_get_tcp_ao_counters(lsk, &ao_cnt1))
> + test_error("test_get_tcp_ao_counters()");
> +
> + synchronize_threads(); /* preparations done */
> +
> + timeout = fault(TIMEOUT) ? TEST_RETRANSMIT_SEC : TEST_TIMEOUT_SEC;
> + err = test_wait_fd(lsk, timeout, 0);
> + if (err == -ETIMEDOUT) {
> + if (!fault(TIMEOUT))
> + test_fail("timeouted for accept()");
> + } else if (err < 0) {
> + test_error("test_wait_fd()");
> + } else {
> + if (fault(TIMEOUT))
> + test_fail("ready to accept");
> +
> + sk = accept(lsk, NULL, NULL);
> + if (sk < 0) {
> + test_error("accept()");
> + } else {
> + if (fault(TIMEOUT))
> + test_fail("%s: accepted", tst_name);
> + }
> + }
> +
> + if (ao_addr && test_get_tcp_ao_counters(lsk, &ao_cnt2))
> + test_error("test_get_tcp_ao_counters()");
> + close(lsk);
> +
> + if (!cnt_name) {
> + test_ok("%s: no counter checks", tst_name);
> + goto out;
> + }
> +
> + after_cnt = netstat_get_one(cnt_name, NULL);
> +
> + if (after_cnt <= before_cnt) {
> + test_fail("%s: %s counter did not increase: %zu <= %zu",
> + tst_name, cnt_name, after_cnt, before_cnt);
> + } else {
> + test_ok("%s: counter %s increased %zu => %zu",
> + tst_name, cnt_name, before_cnt, after_cnt);
> + }
> + if (ao_addr)
> + test_tcp_ao_counters_cmp(tst_name, &ao_cnt1, &ao_cnt2, cnt_expected);
> +
> +out:
> + synchronize_threads(); /* close() */
> + if (sk > 0)
> + close(sk);
> +}
> +
> +static void server_add_routes(void)
> +{
> + int family = TEST_FAMILY;
> +
> + synchronize_threads(); /* client_add_ips() */
> +
> + if (ip_route_add(veth_name, family, this_ip_addr, client2))
> + test_error("Failed to add route");
> + if (ip_route_add(veth_name, family, this_ip_addr, client3))
> + test_error("Failed to add route");
> +}
> +
> +static void server_add_fail_tests(unsigned int *port)
> +{
> + union tcp_addr addr_any = {};
> +
> + try_accept("TCP-AO established: add TCP-MD5 key", (*port)++, NULL, 0,
> + &addr_any, 0, 0, 100, 100, 0, "TCPAOGood", TEST_CNT_GOOD,
> + 1, 0);
> + try_accept("TCP-MD5 established: add TCP-AO key", (*port)++, &addr_any,
> + 0, NULL, 0, 0, 0, 0, 0, NULL, 0, 1, 0);
> + try_accept("non-signed established: add TCP-AO key", (*port)++, NULL, 0,
> + NULL, 0, 0, 0, 0, 0, "CurrEstab", 0, 0, 0);
> +}
> +
> +static void server_vrf_tests(unsigned int *port)
> +{
> + setup_vrfs();
> +}
> +
> +static void *server_fn(void *arg)
> +{
> + unsigned int port = test_server_port;
> + union tcp_addr addr_any = {};
> +
> + server_add_routes();
> +
> + try_accept("AO server (INADDR_ANY): AO client", port++, NULL, 0,
> + &addr_any, 0, 0, 100, 100, 0, "TCPAOGood",
> + TEST_CNT_GOOD, 0, 0);
> + try_accept("AO server (INADDR_ANY): MD5 client", port++, NULL, 0,
> + &addr_any, 0, 0, 100, 100, 0, "TCPMD5Unexpected",
> + 0, 1, FAULT_TIMEOUT);
> + try_accept("AO server (INADDR_ANY): no sign client", port++, NULL, 0,
> + &addr_any, 0, 0, 100, 100, 0, "TCPAORequired",
> + TEST_CNT_AO_REQUIRED, 0, FAULT_TIMEOUT);
> + try_accept("AO server (AO_REQUIRED): AO client", port++, NULL, 0,
> + &this_ip_dest, TEST_PREFIX, true,
> + 100, 100, 0, "TCPAOGood", TEST_CNT_GOOD, 0, 0);
> + try_accept("AO server (AO_REQUIRED): unsigned client", port++, NULL, 0,
> + &this_ip_dest, TEST_PREFIX, true,
> + 100, 100, 0, "TCPAORequired",
> + TEST_CNT_AO_REQUIRED, 0, FAULT_TIMEOUT);
> +
> + try_accept("MD5 server (INADDR_ANY): AO client", port++, &addr_any, 0,
> + NULL, 0, 0, 0, 0, 0, "TCPAOKeyNotFound",
> + 0, 1, FAULT_TIMEOUT);
> + try_accept("MD5 server (INADDR_ANY): MD5 client", port++, &addr_any, 0,
> + NULL, 0, 0, 0, 0, 0, NULL, 0, 1, 0);
> + try_accept("MD5 server (INADDR_ANY): no sign client", port++, &addr_any,
> + 0, NULL, 0, 0, 0, 0, 0, "TCPMD5NotFound",
> + 0, 1, FAULT_TIMEOUT);
> +
> + try_accept("no sign server: AO client", port++, NULL, 0,
> + NULL, 0, 0, 0, 0, 0, "TCPAOKeyNotFound",
> + TEST_CNT_AO_KEY_NOT_FOUND, 0, FAULT_TIMEOUT);
> + try_accept("no sign server: MD5 client", port++, NULL, 0,
> + NULL, 0, 0, 0, 0, 0, "TCPMD5Unexpected",
> + 0, 1, FAULT_TIMEOUT);
> + try_accept("no sign server: no sign client", port++, NULL, 0,
> + NULL, 0, 0, 0, 0, 0, "CurrEstab", 0, 0, 0);
> +
> + try_accept("AO+MD5 server: AO client (matching)", port++,
> + &this_ip_dest, TEST_PREFIX, &client2, TEST_PREFIX, 0,
> + 100, 100, 0, "TCPAOGood", TEST_CNT_GOOD, 1, 0);
> + try_accept("AO+MD5 server: AO client (misconfig, matching MD5)", port++,
> + &this_ip_dest, TEST_PREFIX, &client2, TEST_PREFIX, 0,
> + 100, 100, 0, "TCPAOKeyNotFound", TEST_CNT_AO_KEY_NOT_FOUND,
> + 1, FAULT_TIMEOUT);
> + try_accept("AO+MD5 server: AO client (misconfig, non-matching)", port++,
> + &this_ip_dest, TEST_PREFIX, &client2, TEST_PREFIX, 0,
> + 100, 100, 0, "TCPAOKeyNotFound", TEST_CNT_AO_KEY_NOT_FOUND,
> + 1, FAULT_TIMEOUT);
> + try_accept("AO+MD5 server: MD5 client (matching)", port++,
> + &this_ip_dest, TEST_PREFIX, &client2, TEST_PREFIX, 0,
> + 100, 100, 0, NULL, 0, 1, 0);
> + try_accept("AO+MD5 server: MD5 client (misconfig, matching AO)", port++,
> + &this_ip_dest, TEST_PREFIX, &client2, TEST_PREFIX, 0,
> + 100, 100, 0, "TCPMD5Unexpected", 0, 1, FAULT_TIMEOUT);
> + try_accept("AO+MD5 server: MD5 client (misconfig, non-matching)", port++,
> + &this_ip_dest, TEST_PREFIX, &client2, TEST_PREFIX, 0,
> + 100, 100, 0, "TCPMD5Unexpected", 0, 1, FAULT_TIMEOUT);
> + try_accept("AO+MD5 server: no sign client (unmatched)", port++,
> + &this_ip_dest, TEST_PREFIX, &client2, TEST_PREFIX, 0,
> + 100, 100, 0, "CurrEstab", 0, 1, 0);
> + try_accept("AO+MD5 server: no sign client (misconfig, matching AO)",
> + port++, &this_ip_dest, TEST_PREFIX, &client2, TEST_PREFIX, 0,
> + 100, 100, 0, "TCPAORequired",
> + TEST_CNT_AO_REQUIRED, 1, FAULT_TIMEOUT);
> + try_accept("AO+MD5 server: no sign client (misconfig, matching MD5)",
> + port++, &this_ip_dest, TEST_PREFIX, &client2, TEST_PREFIX, 0,
> + 100, 100, 0, "TCPMD5NotFound", 0, 1, FAULT_TIMEOUT);
> +
> + try_accept("AO+MD5 server: client with both [TCP-MD5] and TCP-AO keys",
> + port++, &this_ip_dest, TEST_PREFIX, &client2, TEST_PREFIX, 0,
> + 100, 100, 0, NULL, 0, 1, FAULT_TIMEOUT);
> + try_accept("AO+MD5 server: client with both TCP-MD5 and [TCP-AO] keys",
> + port++, &this_ip_dest, TEST_PREFIX, &client2, TEST_PREFIX, 0,
> + 100, 100, 0, NULL, 0, 1, FAULT_TIMEOUT);
> +
> + server_add_fail_tests(&port);
> +
> + server_vrf_tests(&port);
> +
> + /* client exits */
> + synchronize_threads();
> + return NULL;
> +}
> +
> +static int client_bind(int sk, union tcp_addr bind_addr)
> +{
> +#ifdef IPV6_TEST
> + struct sockaddr_in6 addr = {
> + .sin6_family = AF_INET6,
> + .sin6_port = 0,
> + .sin6_addr = bind_addr.a6,
> + };
> +#else
> + struct sockaddr_in addr = {
> + .sin_family = AF_INET,
> + .sin_port = 0,
> + .sin_addr = bind_addr.a4,
> + };
> +#endif
> + return bind(sk, &addr, sizeof(addr));
> +}
> +
> +static void try_connect(const char *tst_name, unsigned int port,
> + union tcp_addr *md5_addr, uint8_t md5_prefix,
> + union tcp_addr *ao_addr, uint8_t ao_prefix,
> + uint8_t sndid, uint8_t rcvid, uint8_t vrf,
> + fault_t inj, int needs_tcp_md5, union tcp_addr *bind_addr)
> +{
> + time_t timeout;
> + int sk, ret;
> +
> + if (needs_tcp_md5 && should_skip_test(tst_name, KCONFIG_TCP_MD5))
> + return;
> +
> + sk = socket(test_family, SOCK_STREAM, IPPROTO_TCP);
> + if (sk < 0)
> + test_error("socket()");
> +
> + if (bind_addr && client_bind(sk, *bind_addr))
> + test_error("bind()");
> +
> + if (md5_addr && test_set_md5(sk, *md5_addr, md5_prefix, -1, md5_password))
> + test_error("setsockopt(TCP_MD5SIG_EXT)");
> +
> + if (ao_addr && test_add_key(sk, ao_password, *ao_addr,
> + ao_prefix, sndid, rcvid))
> + test_error("setsockopt(TCP_AO_ADD_KEY)");
> +
> + synchronize_threads(); /* preparations done */
> +
> + timeout = fault(TIMEOUT) ? TEST_RETRANSMIT_SEC : TEST_TIMEOUT_SEC;
> + ret = _test_connect_socket(sk, this_ip_dest, port, timeout);
> +
> + if (ret < 0) {
> + if (fault(KEYREJECT) && ret == -EKEYREJECTED)
> + test_ok("%s: connect() was prevented", tst_name);
> + else if (ret == -ETIMEDOUT && fault(TIMEOUT))
> + test_ok("%s", tst_name);
> + else if (ret == -ECONNREFUSED &&
> + (fault(TIMEOUT) || fault(KEYREJECT)))
> + test_ok("%s: refused to connect", tst_name);
> + else
> + test_error("%s: connect() returned %d", tst_name, ret);
> + goto out;
> + }
> +
> + if (fault(TIMEOUT) || fault(KEYREJECT))
> + test_fail("%s: connected", tst_name);
> + else
> + test_ok("%s: connected", tst_name);
> +
> +out:
> + synchronize_threads(); /* close() */
> + /* _test_connect_socket() cleans up on failure */
> + if (ret > 0)
> + close(sk);
> +}
> +
> +#define PREINSTALL_MD5_FIRST BIT(0)
> +#define PREINSTALL_AO BIT(1)
> +#define POSTINSTALL_AO BIT(2)
> +#define PREINSTALL_MD5 BIT(3)
> +#define POSTINSTALL_MD5 BIT(4)
> +
> +static int try_add_key_vrf(int sk, union tcp_addr in_addr, uint8_t prefix,
> + int vrf, uint8_t sndid, uint8_t rcvid,
> + bool set_ao_required)
> +{
> + uint8_t keyflags = 0;
> +
> + if (vrf >= 0)
> + keyflags |= TCP_AO_KEYF_IFINDEX;
> + else
> + vrf = 0;
> + if (set_ao_required) {
> + int err = test_set_ao_flags(sk, true, 0);
> +
> + if (err)
> + return err;
> + }
> + return test_add_key_vrf(sk, ao_password, keyflags, in_addr, prefix,
> + (uint8_t)vrf, sndid, rcvid);
> +}
> +
> +static bool test_continue(const char *tst_name, int err,
> + fault_t inj, bool added_ao)
> +{
> + bool expected_to_fail;
> +
> + expected_to_fail = fault(PREINSTALL_AO) && added_ao;
> + expected_to_fail |= fault(PREINSTALL_MD5) && !added_ao;
> +
> + if (!err) {
> + if (!expected_to_fail)
> + return true;
> + test_fail("%s: setsockopt()s were expected to fail", tst_name);
> + return false;
> + }
> + if (err != -EKEYREJECTED || !expected_to_fail) {
> + test_error("%s: setsockopt(%s) = %d", tst_name,
> + added_ao ? "TCP_AO_ADD_KEY" : "TCP_MD5SIG_EXT", err);
> + return false;
> + }
> + test_ok("%s: prefailed as expected: %m", tst_name);
> + return false;
> +}
> +
> +static int open_add(const char *tst_name, unsigned int port,
> + unsigned int strategy,
> + union tcp_addr md5_addr, uint8_t md5_prefix, int md5_vrf,
> + union tcp_addr ao_addr, uint8_t ao_prefix,
> + int ao_vrf, bool set_ao_required,
> + uint8_t sndid, uint8_t rcvid,
> + fault_t inj)
> +{
> + int sk;
> +
> + sk = socket(test_family, SOCK_STREAM, IPPROTO_TCP);
> + if (sk < 0)
> + test_error("socket()");
> +
> + if (client_bind(sk, this_ip_addr))
> + test_error("bind()");
> +
> + if (strategy & PREINSTALL_MD5_FIRST) {
> + if (test_set_md5(sk, md5_addr, md5_prefix, md5_vrf, md5_password))
> + test_error("setsockopt(TCP_MD5SIG_EXT)");
> + }
> +
> + if (strategy & PREINSTALL_AO) {
> + int err = try_add_key_vrf(sk, ao_addr, ao_prefix, ao_vrf,
> + sndid, rcvid, set_ao_required);
> +
> + if (!test_continue(tst_name, err, inj, true)) {
> + close(sk);
> + return -1;
> + }
> + }
> +
> + if (strategy & PREINSTALL_MD5) {
> + errno = 0;
> + test_set_md5(sk, md5_addr, md5_prefix, md5_vrf, md5_password);
> + if (!test_continue(tst_name, -errno, inj, false)) {
> + close(sk);
> + return -1;
> + }
> + }
> +
> + return sk;
> +}
> +
> +static void try_to_preadd(const char *tst_name, unsigned int port,
> + unsigned int strategy,
> + union tcp_addr md5_addr, uint8_t md5_prefix,
> + int md5_vrf,
> + union tcp_addr ao_addr, uint8_t ao_prefix,
> + int ao_vrf, bool set_ao_required,
> + uint8_t sndid, uint8_t rcvid,
> + int needs_tcp_md5, int needs_vrf, fault_t inj)
> +{
> + int sk;
> +
> + if (needs_tcp_md5 && should_skip_test(tst_name, KCONFIG_TCP_MD5))
> + return;
> + if (needs_vrf && should_skip_test(tst_name, KCONFIG_NET_VRF))
> + return;
> +
> + sk = open_add(tst_name, port, strategy, md5_addr, md5_prefix, md5_vrf,
> + ao_addr, ao_prefix, ao_vrf, set_ao_required,
> + sndid, rcvid, inj);
> + if (sk < 0)
> + return;
> +
> + test_ok("%s", tst_name);
> + close(sk);
> +}
> +
> +static void try_to_add(const char *tst_name, unsigned int port,
> + unsigned int strategy,
> + union tcp_addr md5_addr, uint8_t md5_prefix,
> + int md5_vrf,
> + union tcp_addr ao_addr, uint8_t ao_prefix,
> + int ao_vrf, uint8_t sndid, uint8_t rcvid,
> + int needs_tcp_md5, fault_t inj)
> +{
> + time_t timeout;
> + int sk, ret;
> +
> + if (needs_tcp_md5 && should_skip_test(tst_name, KCONFIG_TCP_MD5))
> + return;
> +
> + sk = open_add(tst_name, port, strategy, md5_addr, md5_prefix, md5_vrf,
> + ao_addr, ao_prefix, ao_vrf, 0, sndid, rcvid, inj);
> + if (sk < 0)
> + return;
> +
> + synchronize_threads(); /* preparations done */
> +
> + timeout = fault(TIMEOUT) ? TEST_RETRANSMIT_SEC : TEST_TIMEOUT_SEC;
> + ret = _test_connect_socket(sk, this_ip_dest, port, timeout);
> +
> + if (ret <= 0) {
> + test_error("%s: connect() returned %d", tst_name, ret);
> + goto out;
> + }
> +
> + if (strategy & POSTINSTALL_MD5) {
> + if (test_set_md5(sk, md5_addr, md5_prefix, md5_vrf, md5_password)) {
> + if (fault(POSTINSTALL)) {
> + test_ok("%s: postfailed as expected", tst_name);
> + goto out;
> + } else {
> + test_error("setsockopt(TCP_MD5SIG_EXT)");
> + }
> + } else if (fault(POSTINSTALL)) {
> + test_fail("%s: post setsockopt() was expected to fail", tst_name);
> + goto out;
> + }
> + }
> +
> + if (strategy & POSTINSTALL_AO) {
> + if (try_add_key_vrf(sk, ao_addr, ao_prefix, ao_vrf,
> + sndid, rcvid, 0)) {
> + if (fault(POSTINSTALL)) {
> + test_ok("%s: postfailed as expected", tst_name);
> + goto out;
> + } else {
> + test_error("setsockopt(TCP_AO_ADD_KEY)");
> + }
> + } else if (fault(POSTINSTALL)) {
> + test_fail("%s: post setsockopt() was expected to fail", tst_name);
> + goto out;
> + }
> + }
> +
> +out:
> + synchronize_threads(); /* close() */
> + /* _test_connect_socket() cleans up on failure */
> + if (ret > 0)
> + close(sk);
> +}
> +
> +static void client_add_ip(union tcp_addr *client, const char *ip)
> +{
> + int family = TEST_FAMILY;
> +
> + if (inet_pton(family, ip, client) != 1)
> + test_error("Can't convert ip address %s", ip);
> +
> + if (ip_addr_add(veth_name, family, *client, TEST_PREFIX))
> + test_error("Failed to add ip address");
> + if (ip_route_add(veth_name, family, *client, this_ip_dest))
> + test_error("Failed to add route");
> +}
> +
> +static void client_add_ips(void)
> +{
> + client_add_ip(&client2, __TEST_CLIENT_IP(2));
> + client_add_ip(&client3, __TEST_CLIENT_IP(3));
> + synchronize_threads(); /* server_add_routes() */
> +}
> +
> +static void client_add_fail_tests(unsigned int *port)
> +{
> + try_to_add("TCP-AO established: add TCP-MD5 key",
> + (*port)++, POSTINSTALL_MD5 | PREINSTALL_AO,
> + this_ip_dest, TEST_PREFIX, -1, this_ip_dest, TEST_PREFIX, 0,
> + 100, 100, 1, FAULT_POSTINSTALL);
> + try_to_add("TCP-MD5 established: add TCP-AO key",
> + (*port)++, PREINSTALL_MD5 | POSTINSTALL_AO,
> + this_ip_dest, TEST_PREFIX, -1, this_ip_dest, TEST_PREFIX, 0,
> + 100, 100, 1, FAULT_POSTINSTALL);
> + try_to_add("non-signed established: add TCP-AO key",
> + (*port)++, POSTINSTALL_AO,
> + this_ip_dest, TEST_PREFIX, -1, this_ip_dest, TEST_PREFIX, 0,
> + 100, 100, 0, FAULT_POSTINSTALL);
> +
> + try_to_add("TCP-AO key intersects with existing TCP-MD5 key",
> + (*port)++, PREINSTALL_MD5_FIRST | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, -1, this_ip_addr, TEST_PREFIX, -1,
> + 100, 100, 1, FAULT_PREINSTALL_AO);
> + try_to_add("TCP-MD5 key intersects with existing TCP-AO key",
> + (*port)++, PREINSTALL_MD5 | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, -1, this_ip_addr, TEST_PREFIX, -1,
> + 100, 100, 1, FAULT_PREINSTALL_MD5);
> +
> + try_to_preadd("TCP-MD5 key + TCP-AO required",
> + (*port)++, PREINSTALL_MD5_FIRST | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, -1,
> + this_ip_addr, TEST_PREFIX, -1, true,
> + 100, 100, 1, 0, FAULT_PREINSTALL_AO);
> + try_to_preadd("TCP-AO required on socket + TCP-MD5 key",
> + (*port)++, PREINSTALL_MD5 | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, -1,
> + this_ip_addr, TEST_PREFIX, -1, true,
> + 100, 100, 1, 0, FAULT_PREINSTALL_MD5);
> +}
> +
> +static void client_vrf_tests(unsigned int *port)
> +{
> + setup_vrfs();
> +
> + /* The following restrictions for setsockopt()s are expected:
> + *
> + * |--------------|-----------------|-------------|-------------|
> + * | | MD5 key without | MD5 key | MD5 key |
> + * | | l3index | l3index=0 | l3index=N |
> + * |--------------|-----------------|-------------|-------------|
> + * | TCP-AO key | | | |
> + * | without | reject | reject | reject |
> + * | l3index | | | |
> + * |--------------|-----------------|-------------|-------------|
> + * | TCP-AO key | | | |
> + * | l3index=0 | reject | reject | allow |
> + * |--------------|-----------------|-------------|-------------|
> + * | TCP-AO key | | | |
> + * | l3index=N | reject | allow | reject |
> + * |--------------|-----------------|-------------|-------------|
> + */
> + try_to_preadd("VRF: TCP-AO key (no l3index) + TCP-MD5 key (no l3index)",
> + (*port)++, PREINSTALL_MD5 | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, -1,
> + this_ip_addr, TEST_PREFIX, -1, 0, 100, 100,
> + 1, 1, FAULT_PREINSTALL_MD5);
> + try_to_preadd("VRF: TCP-MD5 key (no l3index) + TCP-AO key (no l3index)",
> + (*port)++, PREINSTALL_MD5_FIRST | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, -1,
> + this_ip_addr, TEST_PREFIX, -1, 0, 100, 100,
> + 1, 1, FAULT_PREINSTALL_AO);
> + try_to_preadd("VRF: TCP-AO key (no l3index) + TCP-MD5 key (l3index=0)",
> + (*port)++, PREINSTALL_MD5 | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, 0,
> + this_ip_addr, TEST_PREFIX, -1, 0, 100, 100,
> + 1, 1, FAULT_PREINSTALL_MD5);
> + try_to_preadd("VRF: TCP-MD5 key (l3index=0) + TCP-AO key (no l3index)",
> + (*port)++, PREINSTALL_MD5_FIRST | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, 0,
> + this_ip_addr, TEST_PREFIX, -1, 0, 100, 100,
> + 1, 1, FAULT_PREINSTALL_AO);
> + try_to_preadd("VRF: TCP-AO key (no l3index) + TCP-MD5 key (l3index=N)",
> + (*port)++, PREINSTALL_MD5 | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, test_vrf_ifindex,
> + this_ip_addr, TEST_PREFIX, -1, 0, 100, 100,
> + 1, 1, FAULT_PREINSTALL_MD5);
> + try_to_preadd("VRF: TCP-MD5 key (l3index=N) + TCP-AO key (no l3index)",
> + (*port)++, PREINSTALL_MD5_FIRST | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, test_vrf_ifindex,
> + this_ip_addr, TEST_PREFIX, -1, 0, 100, 100,
> + 1, 1, FAULT_PREINSTALL_AO);
> +
> + try_to_preadd("VRF: TCP-AO key (l3index=0) + TCP-MD5 key (no l3index)",
> + (*port)++, PREINSTALL_MD5 | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, -1,
> + this_ip_addr, TEST_PREFIX, 0, 0, 100, 100,
> + 1, 1, FAULT_PREINSTALL_MD5);
> + try_to_preadd("VRF: TCP-MD5 key (no l3index) + TCP-AO key (l3index=0)",
> + (*port)++, PREINSTALL_MD5_FIRST | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, -1,
> + this_ip_addr, TEST_PREFIX, 0, 0, 100, 100,
> + 1, 1, FAULT_PREINSTALL_AO);
> + try_to_preadd("VRF: TCP-AO key (l3index=0) + TCP-MD5 key (l3index=0)",
> + (*port)++, PREINSTALL_MD5 | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, 0,
> + this_ip_addr, TEST_PREFIX, 0, 0, 100, 100,
> + 1, 1, FAULT_PREINSTALL_MD5);
> + try_to_preadd("VRF: TCP-MD5 key (l3index=0) + TCP-AO key (l3index=0)",
> + (*port)++, PREINSTALL_MD5_FIRST | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, 0,
> + this_ip_addr, TEST_PREFIX, 0, 0, 100, 100,
> + 1, 1, FAULT_PREINSTALL_AO);
> + try_to_preadd("VRF: TCP-AO key (l3index=0) + TCP-MD5 key (l3index=N)",
> + (*port)++, PREINSTALL_MD5 | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, test_vrf_ifindex,
> + this_ip_addr, TEST_PREFIX, 0, 0, 100, 100,
> + 1, 1, 0);
> + try_to_preadd("VRF: TCP-MD5 key (l3index=N) + TCP-AO key (l3index=0)",
> + (*port)++, PREINSTALL_MD5_FIRST | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, test_vrf_ifindex,
> + this_ip_addr, TEST_PREFIX, 0, 0, 100, 100,
> + 1, 1, 0);
> +
> + try_to_preadd("VRF: TCP-AO key (l3index=N) + TCP-MD5 key (no l3index)",
> + (*port)++, PREINSTALL_MD5 | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, test_vrf_ifindex,
> + this_ip_addr, TEST_PREFIX, -1, 0, 100, 100,
> + 1, 1, FAULT_PREINSTALL_MD5);
> + try_to_preadd("VRF: TCP-MD5 key (no l3index) + TCP-AO key (l3index=N)",
> + (*port)++, PREINSTALL_MD5_FIRST | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, -1,
> + this_ip_addr, TEST_PREFIX, test_vrf_ifindex, 0, 100, 100,
> + 1, 1, FAULT_PREINSTALL_AO);
> + try_to_preadd("VRF: TCP-AO key (l3index=N) + TCP-MD5 key (l3index=0)",
> + (*port)++, PREINSTALL_MD5 | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, 0,
> + this_ip_addr, TEST_PREFIX, test_vrf_ifindex, 0, 100, 100,
> + 1, 1, 0);
> + try_to_preadd("VRF: TCP-MD5 key (l3index=0) + TCP-AO key (l3index=N)",
> + (*port)++, PREINSTALL_MD5_FIRST | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, 0,
> + this_ip_addr, TEST_PREFIX, test_vrf_ifindex, 0, 100, 100,
> + 1, 1, 0);
> + try_to_preadd("VRF: TCP-AO key (l3index=N) + TCP-MD5 key (l3index=N)",
> + (*port)++, PREINSTALL_MD5 | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, test_vrf_ifindex,
> + this_ip_addr, TEST_PREFIX, test_vrf_ifindex, 0, 100, 100,
> + 1, 1, FAULT_PREINSTALL_MD5);
> + try_to_preadd("VRF: TCP-MD5 key (l3index=N) + TCP-AO key (l3index=N)",
> + (*port)++, PREINSTALL_MD5_FIRST | PREINSTALL_AO,
> + this_ip_addr, TEST_PREFIX, test_vrf_ifindex,
> + this_ip_addr, TEST_PREFIX, test_vrf_ifindex, 0, 100, 100,
> + 1, 1, FAULT_PREINSTALL_AO);
> +}
> +
> +static void *client_fn(void *arg)
> +{
> + unsigned int port = test_server_port;
> + union tcp_addr addr_any = {};
> +
> + client_add_ips();
> +
> + try_connect("AO server (INADDR_ANY): AO client", port++, NULL, 0,
> + &addr_any, 0, 100, 100, 0, 0, 0, &this_ip_addr);
> + try_connect("AO server (INADDR_ANY): MD5 client", port++, &addr_any, 0,
> + NULL, 0, 100, 100, 0, FAULT_TIMEOUT, 1, &this_ip_addr);
> + try_connect("AO server (INADDR_ANY): unsigned client", port++, NULL, 0,
> + NULL, 0, 100, 100, 0, FAULT_TIMEOUT, 0, &this_ip_addr);
> + try_connect("AO server (AO_REQUIRED): AO client", port++, NULL, 0,
> + &addr_any, 0, 100, 100, 0, 0, 0, &this_ip_addr);
> + try_connect("AO server (AO_REQUIRED): unsigned client", port++, NULL, 0,
> + NULL, 0, 100, 100, 0, FAULT_TIMEOUT, 0, &client2);
> +
> + try_connect("MD5 server (INADDR_ANY): AO client", port++, NULL, 0,
> + &addr_any, 0, 100, 100, 0, FAULT_TIMEOUT, 1, &this_ip_addr);
> + try_connect("MD5 server (INADDR_ANY): MD5 client", port++, &addr_any, 0,
> + NULL, 0, 100, 100, 0, 0, 1, &this_ip_addr);
> + try_connect("MD5 server (INADDR_ANY): no sign client", port++, NULL, 0,
> + NULL, 0, 100, 100, 0, FAULT_TIMEOUT, 1, &this_ip_addr);
> +
> + try_connect("no sign server: AO client", port++, NULL, 0,
> + &addr_any, 0, 100, 100, 0, FAULT_TIMEOUT, 0, &this_ip_addr);
> + try_connect("no sign server: MD5 client", port++, &addr_any, 0,
> + NULL, 0, 100, 100, 0, FAULT_TIMEOUT, 1, &this_ip_addr);
> + try_connect("no sign server: no sign client", port++, NULL, 0,
> + NULL, 0, 100, 100, 0, 0, 0, &this_ip_addr);
> +
> + try_connect("AO+MD5 server: AO client (matching)", port++, NULL, 0,
> + &addr_any, 0, 100, 100, 0, 0, 1, &client2);
> + try_connect("AO+MD5 server: AO client (misconfig, matching MD5)",
> + port++, NULL, 0, &addr_any, 0, 100, 100, 0,
> + FAULT_TIMEOUT, 1, &this_ip_addr);
> + try_connect("AO+MD5 server: AO client (misconfig, non-matching)",
> + port++, NULL, 0, &addr_any, 0, 100, 100, 0,
> + FAULT_TIMEOUT, 1, &client3);
> + try_connect("AO+MD5 server: MD5 client (matching)", port++, &addr_any, 0,
> + NULL, 0, 100, 100, 0, 0, 1, &this_ip_addr);
> + try_connect("AO+MD5 server: MD5 client (misconfig, matching AO)",
> + port++, &addr_any, 0, NULL, 0, 100, 100, 0, FAULT_TIMEOUT,
> + 1, &client2);
> + try_connect("AO+MD5 server: MD5 client (misconfig, non-matching)",
> + port++, &addr_any, 0, NULL, 0, 100, 100, 0, FAULT_TIMEOUT,
> + 1, &client3);
> + try_connect("AO+MD5 server: no sign client (unmatched)",
> + port++, NULL, 0, NULL, 0, 100, 100, 0, 0, 1, &client3);
> + try_connect("AO+MD5 server: no sign client (misconfig, matching AO)",
> + port++, NULL, 0, NULL, 0, 100, 100, 0, FAULT_TIMEOUT,
> + 1, &client2);
> + try_connect("AO+MD5 server: no sign client (misconfig, matching MD5)",
> + port++, NULL, 0, NULL, 0, 100, 100, 0, FAULT_TIMEOUT,
> + 1, &this_ip_addr);
> +
> + try_connect("AO+MD5 server: client with both [TCP-MD5] and TCP-AO keys",
> + port++, &this_ip_addr, TEST_PREFIX,
> + &client2, TEST_PREFIX, 100, 100, 0, FAULT_KEYREJECT,
> + 1, &this_ip_addr);
> + try_connect("AO+MD5 server: client with both TCP-MD5 and [TCP-AO] keys",
> + port++, &this_ip_addr, TEST_PREFIX,
> + &client2, TEST_PREFIX, 100, 100, 0, FAULT_KEYREJECT,
> + 1, &client2);
> +
> + client_add_fail_tests(&port);
> + client_vrf_tests(&port);
> +
> + return NULL;
> +}
> +
> +int main(int argc, char *argv[])
> +{
> + test_init(72, server_fn, client_fn);
> + return 0;
> +}
>
> --
> 2.43.0
>
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