+ session_delete_loopback (sw_if_index);
+ return 0;
+}
+
+static int
+session_test_rule_table (vlib_main_t * vm, unformat_input_t * input)
+{
+ session_rules_table_t _srt, *srt = &_srt;
+ u16 lcl_port = 1234, rmt_port = 4321;
+ u32 action_index = 1, res;
+ ip4_address_t lcl_lkup, rmt_lkup;
+ clib_error_t *error;
+ int verbose = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "verbose"))
+ verbose = 1;
+ else
+ {
+ vlib_cli_output (vm, "parse error: '%U'", format_unformat_error,
+ input);
+ return -1;
+ }
+ }
+
+ memset (srt, 0, sizeof (*srt));
+ session_rules_table_init (srt);
+
+ ip4_address_t lcl_ip = {
+ .as_u32 = clib_host_to_net_u32 (0x01020304),
+ };
+ ip4_address_t rmt_ip = {
+ .as_u32 = clib_host_to_net_u32 (0x05060708),
+ };
+ ip4_address_t lcl_ip2 = {
+ .as_u32 = clib_host_to_net_u32 (0x02020202),
+ };
+ ip4_address_t rmt_ip2 = {
+ .as_u32 = clib_host_to_net_u32 (0x06060606),
+ };
+ ip4_address_t lcl_ip3 = {
+ .as_u32 = clib_host_to_net_u32 (0x03030303),
+ };
+ ip4_address_t rmt_ip3 = {
+ .as_u32 = clib_host_to_net_u32 (0x07070707),
+ };
+ fib_prefix_t lcl_pref = {
+ .fp_addr.ip4.as_u32 = lcl_ip.as_u32,
+ .fp_len = 16,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ };
+ fib_prefix_t rmt_pref = {
+ .fp_addr.ip4.as_u32 = rmt_ip.as_u32,
+ .fp_len = 16,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ };
+
+ session_rule_table_add_del_args_t args = {
+ .lcl = lcl_pref,
+ .rmt = rmt_pref,
+ .lcl_port = lcl_port,
+ .rmt_port = rmt_port,
+ .action_index = action_index++,
+ .is_add = 1,
+ };
+ error = session_rules_table_add_del (srt, &args);
+ SESSION_TEST ((error == 0), "Add 1.2.3.4/16 1234 5.6.7.8/16 4321 action %d",
+ action_index - 1);
+
+ res =
+ session_rules_table_lookup4 (srt, &lcl_ip, &rmt_ip, lcl_port, rmt_port);
+ SESSION_TEST ((res == 1),
+ "Lookup 1.2.3.4 1234 5.6.7.8 4321, action should " "be 1: %d",
+ res);
+
+ /*
+ * Add 1.2.3.4/24 1234 5.6.7.8/16 4321 and 1.2.3.4/24 1234 5.6.7.8/24 4321
+ */
+ args.lcl.fp_addr.ip4 = lcl_ip;
+ args.lcl.fp_len = 24;
+ args.action_index = action_index++;
+ error = session_rules_table_add_del (srt, &args);
+ SESSION_TEST ((error == 0), "Add 1.2.3.4/24 1234 5.6.7.8/16 4321 action %d",
+ action_index - 1);
+ args.rmt.fp_addr.ip4 = rmt_ip;
+ args.rmt.fp_len = 24;
+ args.action_index = action_index++;
+ error = session_rules_table_add_del (srt, &args);
+ SESSION_TEST ((error == 0), "Add 1.2.3.4/24 1234 5.6.7.8/24 4321 action %d",
+ action_index - 1);
+
+ /*
+ * Add 2.2.2.2/24 1234 6.6.6.6/16 4321 and 3.3.3.3/24 1234 7.7.7.7/16 4321
+ */
+ args.lcl.fp_addr.ip4 = lcl_ip2;
+ args.lcl.fp_len = 24;
+ args.rmt.fp_addr.ip4 = rmt_ip2;
+ args.rmt.fp_len = 16;
+ args.action_index = action_index++;
+ error = session_rules_table_add_del (srt, &args);
+ SESSION_TEST ((error == 0), "Add 2.2.2.2/24 1234 6.6.6.6/16 4321 action %d",
+ action_index - 1);
+ args.lcl.fp_addr.ip4 = lcl_ip3;
+ args.rmt.fp_addr.ip4 = rmt_ip3;
+ args.action_index = action_index++;
+ error = session_rules_table_add_del (srt, &args);
+ SESSION_TEST ((error == 0), "Add 3.3.3.3/24 1234 7.7.7.7/16 4321 action %d",
+ action_index - 1);
+
+ /*
+ * Add again 3.3.3.3/24 1234 7.7.7.7/16 4321
+ */
+ args.lcl.fp_addr.ip4 = lcl_ip3;
+ args.rmt.fp_addr.ip4 = rmt_ip3;
+ args.action_index = action_index++;
+ error = session_rules_table_add_del (srt, &args);
+ SESSION_TEST ((error == 0), "overwrite 3.3.3.3/24 1234 7.7.7.7/16 4321 "
+ "action %d", action_index - 1);
+
+ /*
+ * Lookup 1.2.3.4/32 1234 5.6.7.8/32 4321, 1.2.2.4/32 1234 5.6.7.9/32 4321
+ * and 3.3.3.3 1234 7.7.7.7 4321
+ */
+ res =
+ session_rules_table_lookup4 (srt, &lcl_ip, &rmt_ip, lcl_port, rmt_port);
+ SESSION_TEST ((res == 3),
+ "Lookup 1.2.3.4 1234 5.6.7.8 4321 action " "should be 3: %d",
+ res);
+
+ lcl_lkup.as_u32 = clib_host_to_net_u32 (0x01020204);
+ rmt_lkup.as_u32 = clib_host_to_net_u32 (0x05060709);
+ res =
+ session_rules_table_lookup4 (srt, &lcl_lkup,
+ &rmt_lkup, lcl_port, rmt_port);
+ SESSION_TEST ((res == 1),
+ "Lookup 1.2.2.4 1234 5.6.7.9 4321, action " "should be 1: %d",
+ res);
+
+ res =
+ session_rules_table_lookup4 (srt, &lcl_ip3, &rmt_ip3, lcl_port, rmt_port);
+ SESSION_TEST ((res == 6),
+ "Lookup 3.3.3.3 1234 7.7.7.7 4321, action "
+ "should be 6 (updated): %d", res);
+
+ /*
+ * Add 1.2.3.4/24 * 5.6.7.8/24 *
+ * Lookup 1.2.3.4 1234 5.6.7.8 4321 and 1.2.3.4 1235 5.6.7.8 4321
+ */
+ args.lcl.fp_addr.ip4 = lcl_ip;
+ args.rmt.fp_addr.ip4 = rmt_ip;
+ args.lcl.fp_len = 24;
+ args.rmt.fp_len = 24;
+ args.lcl_port = 0;
+ args.rmt_port = 0;
+ args.action_index = action_index++;
+ error = session_rules_table_add_del (srt, &args);
+ SESSION_TEST ((error == 0), "Add 1.2.3.4/24 * 5.6.7.8/24 * action %d",
+ action_index - 1);
+ res =
+ session_rules_table_lookup4 (srt, &lcl_ip, &rmt_ip, lcl_port, rmt_port);
+ SESSION_TEST ((res == 7),
+ "Lookup 1.2.3.4 1234 5.6.7.8 4321, action should"
+ " be 7 (lpm dst): %d", res);
+ res =
+ session_rules_table_lookup4 (srt, &lcl_ip, &rmt_ip,
+ lcl_port + 1, rmt_port);
+ SESSION_TEST ((res == 7),
+ "Lookup 1.2.3.4 1235 5.6.7.8 4321, action should " "be 7: %d",
+ res);
+
+ /*
+ * Del 1.2.3.4/24 * 5.6.7.8/24 *
+ * Add 1.2.3.4/16 * 5.6.7.8/16 * and 1.2.3.4/24 1235 5.6.7.8/24 4321
+ * Lookup 1.2.3.4 1234 5.6.7.8 4321, 1.2.3.4 1235 5.6.7.8 4321 and
+ * 1.2.3.4 1235 5.6.7.8 4322
+ */
+ args.is_add = 0;
+ error = session_rules_table_add_del (srt, &args);
+ SESSION_TEST ((error == 0), "Del 1.2.3.4/24 * 5.6.7.8/24 *");
+
+ args.lcl.fp_addr.ip4 = lcl_ip;
+ args.rmt.fp_addr.ip4 = rmt_ip;
+ args.lcl.fp_len = 16;
+ args.rmt.fp_len = 16;
+ args.lcl_port = 0;
+ args.rmt_port = 0;
+ args.action_index = action_index++;
+ args.is_add = 1;
+ error = session_rules_table_add_del (srt, &args);
+ SESSION_TEST ((error == 0), "Add 1.2.3.4/16 * 5.6.7.8/16 * action %d",
+ action_index - 1);
+
+ args.lcl.fp_addr.ip4 = lcl_ip;
+ args.rmt.fp_addr.ip4 = rmt_ip;
+ args.lcl.fp_len = 24;
+ args.rmt.fp_len = 24;
+ args.lcl_port = lcl_port + 1;
+ args.rmt_port = rmt_port;
+ args.action_index = action_index++;
+ args.is_add = 1;
+ error = session_rules_table_add_del (srt, &args);
+ SESSION_TEST ((error == 0), "Add 1.2.3.4/24 1235 5.6.7.8/24 4321 action %d",
+ action_index - 1);
+
+ if (verbose)
+ session_rules_table_cli_dump (vm, srt, FIB_PROTOCOL_IP4);
+
+ res =
+ session_rules_table_lookup4 (srt, &lcl_ip, &rmt_ip, lcl_port, rmt_port);
+ SESSION_TEST ((res == 3),
+ "Lookup 1.2.3.4 1234 5.6.7.8 4321, action should " "be 3: %d",
+ res);
+ res =
+ session_rules_table_lookup4 (srt, &lcl_ip, &rmt_ip,
+ lcl_port + 1, rmt_port);
+ SESSION_TEST ((res == 9),
+ "Lookup 1.2.3.4 1235 5.6.7.8 4321, action should " "be 9: %d",
+ res);
+ res =
+ session_rules_table_lookup4 (srt, &lcl_ip, &rmt_ip,
+ lcl_port + 1, rmt_port + 1);
+ SESSION_TEST ((res == 8),
+ "Lookup 1.2.3.4 1235 5.6.7.8 4322, action should " "be 8: %d",
+ res);
+
+ /*
+ * Delete 1.2.0.0/16 1234 5.6.0.0/16 4321 and 1.2.0.0/16 * 5.6.0.0/16 *
+ * Lookup 1.2.3.4 1234 5.6.7.8 4321
+ */
+ args.lcl_port = 1234;
+ args.rmt_port = 4321;
+ args.lcl.fp_len = 16;
+ args.rmt.fp_len = 16;
+ args.is_add = 0;
+ error = session_rules_table_add_del (srt, &args);
+ SESSION_TEST ((error == 0), "Del 1.2.0.0/16 1234 5.6.0.0/16 4321");
+ res =
+ session_rules_table_lookup4 (srt, &lcl_ip, &rmt_ip, lcl_port, rmt_port);
+ SESSION_TEST ((res == 3),
+ "Lookup 1.2.3.4 1234 5.6.7.8 4321, action should " "be 3: %d",
+ res);
+
+ args.lcl_port = 0;
+ args.rmt_port = 0;
+ args.is_add = 0;
+ error = session_rules_table_add_del (srt, &args);
+ SESSION_TEST ((error == 0), "Del 1.2.0.0/16 * 5.6.0.0/16 *");
+ res =
+ session_rules_table_lookup4 (srt, &lcl_ip, &rmt_ip, lcl_port, rmt_port);
+ SESSION_TEST ((res == 3),
+ "Lookup 1.2.3.4 1234 5.6.7.8 4321, action should " "be 3: %d",
+ res);
+
+ /*
+ * Delete 1.2.3.4/24 1234 5.6.7.5/24
+ */
+ args.lcl.fp_addr.ip4 = lcl_ip;
+ args.rmt.fp_addr.ip4 = rmt_ip;
+ args.lcl.fp_len = 24;
+ args.rmt.fp_len = 24;
+ args.lcl_port = 1234;
+ args.rmt_port = 4321;
+ args.is_add = 0;
+ error = session_rules_table_add_del (srt, &args);
+ SESSION_TEST ((error == 0), "Del 1.2.3.4/24 1234 5.6.7.5/24");
+ res =
+ session_rules_table_lookup4 (srt, &lcl_ip, &rmt_ip, lcl_port, rmt_port);
+ SESSION_TEST ((res == 2), "Action should be 2: %d", res);
+
+ return 0;
+}
+
+static int
+session_test_rules (vlib_main_t * vm, unformat_input_t * input)
+{
+ session_endpoint_t server_sep = SESSION_ENDPOINT_NULL;
+ u64 options[APP_OPTIONS_N_OPTIONS];
+ u16 lcl_port = 1234, rmt_port = 4321;
+ u32 server_index, server_index2;
+ u32 dummy_server_api_index = ~0;
+ transport_connection_t *tc;
+ u32 dummy_port = 1111;
+ clib_error_t *error = 0;
+ u8 is_filtered = 0, *ns_id = format (0, "appns1");
+ stream_session_t *listener, *s;
+ app_namespace_t *default_ns = app_namespace_get_default ();
+ u32 local_ns_index = default_ns->local_table_index;
+ int verbose = 0, rv;
+ app_namespace_t *app_ns;
+ u64 handle;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "verbose"))
+ verbose = 1;
+ else
+ {
+ vlib_cli_output (vm, "parse error: '%U'", format_unformat_error,
+ input);
+ return -1;
+ }
+ }
+
+ server_sep.is_ip4 = 1;
+ server_sep.port = dummy_port;
+ memset (options, 0, sizeof (options));
+
+ vnet_app_attach_args_t attach_args = {
+ .api_client_index = ~0,
+ .options = options,
+ .namespace_id = 0,
+ .session_cb_vft = &dummy_session_cbs,
+ };
+
+ vnet_bind_args_t bind_args = {
+ .sep = server_sep,
+ .app_index = 0,
+ };
+
+ /*
+ * Attach server with global and local default scope
+ */
+ options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
+ options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
+ options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
+ attach_args.namespace_id = 0;
+ attach_args.api_client_index = dummy_server_api_index;
+ error = vnet_application_attach (&attach_args);
+ SESSION_TEST ((error == 0), "server attached");
+ server_index = attach_args.app_index;
+
+ bind_args.app_index = server_index;
+ error = vnet_bind (&bind_args);
+ SESSION_TEST ((error == 0), "server bound to %U/%d", format_ip46_address,
+ &server_sep.ip, 1, server_sep.port);
+ listener = listen_session_get_from_handle (bind_args.handle);
+ ip4_address_t lcl_ip = {
+ .as_u32 = clib_host_to_net_u32 (0x01020304),
+ };
+ ip4_address_t rmt_ip = {
+ .as_u32 = clib_host_to_net_u32 (0x05060708),
+ };
+ fib_prefix_t lcl_pref = {
+ .fp_addr.ip4.as_u32 = lcl_ip.as_u32,
+ .fp_len = 16,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ };
+ fib_prefix_t rmt_pref = {
+ .fp_addr.ip4.as_u32 = rmt_ip.as_u32,
+ .fp_len = 16,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ };
+
+ tc = session_lookup_connection_wt4 (0, &lcl_pref.fp_addr.ip4,
+ &rmt_pref.fp_addr.ip4, lcl_port,
+ rmt_port, TRANSPORT_PROTO_TCP, 0,
+ &is_filtered);
+ SESSION_TEST ((tc == 0), "optimized lookup should not work (port)");
+
+ /*
+ * Add 1.2.3.4/16 1234 5.6.7.8/16 4321 action server_index
+ */
+ session_rule_add_del_args_t args = {
+ .table_args.lcl = lcl_pref,
+ .table_args.rmt = rmt_pref,
+ .table_args.lcl_port = lcl_port,
+ .table_args.rmt_port = rmt_port,
+ .table_args.action_index = server_index,
+ .table_args.is_add = 1,
+ .appns_index = 0,
+ };
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0), "Add 1.2.3.4/16 1234 5.6.7.8/16 4321 action %d",
+ args.table_args.action_index);
+
+ tc = session_lookup_connection4 (0, &lcl_pref.fp_addr.ip4,
+ &rmt_pref.fp_addr.ip4, lcl_port, rmt_port,
+ TRANSPORT_PROTO_TCP);
+ SESSION_TEST ((tc->c_index == listener->connection_index),
+ "optimized lookup should return the listener");
+ tc = session_lookup_connection_wt4 (0, &lcl_pref.fp_addr.ip4,
+ &rmt_pref.fp_addr.ip4, lcl_port,
+ rmt_port, TRANSPORT_PROTO_TCP, 0,
+ &is_filtered);
+ SESSION_TEST ((tc->c_index == listener->connection_index),
+ "lookup should return the listener");
+ s = session_lookup_safe4 (0, &lcl_pref.fp_addr.ip4, &rmt_pref.fp_addr.ip4,
+ lcl_port, rmt_port, TRANSPORT_PROTO_TCP);
+ SESSION_TEST ((s->connection_index == listener->connection_index),
+ "safe lookup should return the listener");
+ session_endpoint_t sep = {
+ .ip = rmt_pref.fp_addr,
+ .is_ip4 = 1,
+ .port = rmt_port,
+ .transport_proto = TRANSPORT_PROTO_TCP,
+ };
+ handle = session_lookup_local_endpoint (local_ns_index, &sep);
+ SESSION_TEST ((handle != server_index), "local session endpoint lookup "
+ "should not work (global scope)");
+
+ tc = session_lookup_connection_wt4 (0, &lcl_pref.fp_addr.ip4,
+ &rmt_pref.fp_addr.ip4, lcl_port + 1,
+ rmt_port, TRANSPORT_PROTO_TCP, 0,
+ &is_filtered);
+ SESSION_TEST ((tc == 0),
+ "optimized lookup for wrong lcl port + 1 should not work");
+
+ /*
+ * Add 1.2.3.4/16 * 5.6.7.8/16 4321
+ */
+ args.table_args.lcl_port = 0;
+ args.scope = SESSION_RULE_SCOPE_LOCAL | SESSION_RULE_SCOPE_GLOBAL;
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0), "Add 1.2.3.4/16 * 5.6.7.8/16 4321 action %d",
+ args.table_args.action_index);
+ tc = session_lookup_connection_wt4 (0, &lcl_pref.fp_addr.ip4,
+ &rmt_pref.fp_addr.ip4, lcl_port + 1,
+ rmt_port, TRANSPORT_PROTO_TCP, 0,
+ &is_filtered);
+ SESSION_TEST ((tc->c_index == listener->connection_index),
+ "optimized lookup for lcl port + 1 should work");
+ handle = session_lookup_local_endpoint (local_ns_index, &sep);
+ SESSION_TEST ((handle == server_index), "local session endpoint lookup "
+ "should work (lcl ip was zeroed)");
+
+ /*
+ * Add deny rule 1.2.3.4/32 1234 5.6.7.8/32 4321 action -2 (drop)
+ */
+ args.table_args.lcl_port = 1234;
+ args.table_args.lcl.fp_addr.ip4 = lcl_ip;
+ args.table_args.lcl.fp_len = 30;
+ args.table_args.rmt.fp_addr.ip4 = rmt_ip;
+ args.table_args.rmt.fp_len = 30;
+ args.table_args.action_index = SESSION_RULES_TABLE_ACTION_DROP;
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0), "Add 1.2.3.4/30 1234 5.6.7.8/30 4321 action %d",
+ args.table_args.action_index);
+
+ if (verbose)
+ {
+ session_lookup_dump_rules_table (0, FIB_PROTOCOL_IP4,
+ TRANSPORT_PROTO_TCP);
+ session_lookup_dump_local_rules_table (local_ns_index, FIB_PROTOCOL_IP4,
+ TRANSPORT_PROTO_TCP);
+ }
+
+ tc = session_lookup_connection_wt4 (0, &lcl_pref.fp_addr.ip4,
+ &rmt_pref.fp_addr.ip4, lcl_port,
+ rmt_port, TRANSPORT_PROTO_TCP, 0,
+ &is_filtered);
+ SESSION_TEST ((tc == 0), "lookup for 1.2.3.4/32 1234 5.6.7.8/16 4321 "
+ "should fail (deny rule)");
+ SESSION_TEST ((is_filtered == 1), "lookup should be filtered (deny)");
+
+ handle = session_lookup_local_endpoint (local_ns_index, &sep);
+ SESSION_TEST ((handle == SESSION_DROP_HANDLE), "lookup for 1.2.3.4/32 1234 "
+ "5.6.7.8/16 4321 in local table should return deny");
+
+ tc = session_lookup_connection_wt4 (0, &lcl_pref.fp_addr.ip4,
+ &rmt_pref.fp_addr.ip4, lcl_port + 1,
+ rmt_port, TRANSPORT_PROTO_TCP, 0,
+ &is_filtered);
+ SESSION_TEST ((tc->c_index == listener->connection_index),
+ "lookup 1.2.3.4/32 123*5* 5.6.7.8/16 4321 should work");
+
+ /*
+ * "Mask" deny rule with more specific allow:
+ * Add allow rule 1.2.3.4/32 1234 5.6.7.8/32 4321 action -3 (allow)
+ */
+ args.table_args.is_add = 1;
+ args.table_args.lcl_port = 1234;
+ args.table_args.lcl.fp_addr.ip4 = lcl_ip;
+ args.table_args.lcl.fp_len = 32;
+ args.table_args.rmt.fp_addr.ip4 = rmt_ip;
+ args.table_args.rmt.fp_len = 32;
+ args.table_args.action_index = SESSION_RULES_TABLE_ACTION_ALLOW;
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0), "Add masking rule 1.2.3.4/30 1234 5.6.7.8/32 "
+ "4321 action %d", args.table_args.action_index);
+
+ is_filtered = 0;
+ tc = session_lookup_connection_wt4 (0, &lcl_pref.fp_addr.ip4,
+ &rmt_pref.fp_addr.ip4, lcl_port,
+ rmt_port, TRANSPORT_PROTO_TCP, 0,
+ &is_filtered);
+ SESSION_TEST ((tc == 0), "lookup for 1.2.3.4/32 1234 5.6.7.8/16 4321 "
+ "should fail (allow without app)");
+ SESSION_TEST ((is_filtered == 0), "lookup should NOT be filtered");
+
+ handle = session_lookup_local_endpoint (local_ns_index, &sep);
+ SESSION_TEST ((handle == SESSION_INVALID_HANDLE), "lookup for 1.2.3.4/32 "
+ "1234 5.6.7.8/32 4321 in local table should return invalid");
+
+ if (verbose)
+ {
+ vlib_cli_output (vm, "Local rules");
+ session_lookup_dump_local_rules_table (local_ns_index, FIB_PROTOCOL_IP4,
+ TRANSPORT_PROTO_TCP);
+ }
+
+ sep.ip.ip4.as_u32 += 1 << 24;
+ handle = session_lookup_local_endpoint (local_ns_index, &sep);
+ SESSION_TEST ((handle == SESSION_DROP_HANDLE), "lookup for 1.2.3.4/32 1234"
+ " 5.6.7.9/32 4321 in local table should return deny");
+
+ vnet_connect_args_t connect_args = {
+ .sep = sep,
+ .app_index = attach_args.app_index,
+ .api_context = 0,
+ };
+
+ /* Try connecting */
+ error = vnet_connect (&connect_args);
+ SESSION_TEST ((error != 0), "connect should fail");
+ rv = clib_error_get_code (error);
+ SESSION_TEST ((rv == VNET_API_ERROR_APP_CONNECT_FILTERED),
+ "connect should be filtered");
+
+ sep.ip.ip4.as_u32 -= 1 << 24;
+
+ /*
+ * Delete masking rule: 1.2.3.4/32 1234 5.6.7.8/32 4321 allow
+ */
+ args.table_args.is_add = 0;
+ args.table_args.lcl_port = 1234;
+ args.table_args.lcl.fp_addr.ip4 = lcl_ip;
+ args.table_args.lcl.fp_len = 32;
+ args.table_args.rmt.fp_addr.ip4 = rmt_ip;
+ args.table_args.rmt.fp_len = 32;
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0), "Del 1.2.3.4/32 1234 5.6.7.8/32 4321 allow");
+
+
+ /*
+ * Add local scope rule for 0/0 * 5.6.7.8/16 4321 action server_index
+ */
+ args.table_args.is_add = 1;
+ args.table_args.lcl_port = 0;
+ args.table_args.lcl.fp_len = 0;
+ args.table_args.rmt.fp_len = 16;
+ args.table_args.action_index = -1;
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0), "Add * * 5.6.7.8/16 4321 action %d",
+ args.table_args.action_index);
+
+ if (verbose)
+ {
+ session_lookup_dump_rules_table (0, FIB_PROTOCOL_IP4,
+ TRANSPORT_PROTO_TCP);
+ session_lookup_dump_local_rules_table (local_ns_index, FIB_PROTOCOL_IP4,
+ TRANSPORT_PROTO_TCP);
+ }
+
+ handle = session_lookup_local_endpoint (local_ns_index, &sep);
+ SESSION_TEST ((handle == SESSION_DROP_HANDLE),
+ "local session endpoint lookup should return deny");
+
+ /*
+ * Delete 1.2.3.4/32 1234 5.6.7.8/32 4321 deny
+ */
+ args.table_args.is_add = 0;
+ args.table_args.lcl_port = 1234;
+ args.table_args.lcl.fp_addr.ip4 = lcl_ip;
+ args.table_args.lcl.fp_len = 30;
+ args.table_args.rmt.fp_addr.ip4 = rmt_ip;
+ args.table_args.rmt.fp_len = 30;
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0), "Del 1.2.3.4/32 1234 5.6.7.8/32 4321 deny");
+
+ handle = session_lookup_local_endpoint (local_ns_index, &sep);
+ SESSION_TEST ((handle == SESSION_INVALID_HANDLE),
+ "local session endpoint lookup should return invalid");
+
+ /*
+ * Delete 0/0 * 5.6.7.8/16 4321, 1.2.3.4/16 * 5.6.7.8/16 4321 and
+ * 1.2.3.4/16 1234 5.6.7.8/16 4321
+ */
+ args.table_args.is_add = 0;
+ args.table_args.lcl_port = 0;
+ args.table_args.lcl.fp_addr.ip4 = lcl_ip;
+ args.table_args.lcl.fp_len = 0;
+ args.table_args.rmt.fp_addr.ip4 = rmt_ip;
+ args.table_args.rmt.fp_len = 16;
+ args.table_args.rmt_port = 4321;
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0), "Del 0/0 * 5.6.7.8/16 4321");
+ handle = session_lookup_local_endpoint (local_ns_index, &sep);
+ SESSION_TEST ((handle != server_index), "local session endpoint lookup "
+ "should not work (removed)");
+
+ args.table_args.is_add = 0;
+ args.table_args.lcl = lcl_pref;
+
+ args.table_args.is_add = 0;
+ args.table_args.lcl_port = 0;
+ args.table_args.lcl.fp_addr.ip4 = lcl_ip;
+ args.table_args.lcl.fp_len = 16;
+ args.table_args.rmt.fp_addr.ip4 = rmt_ip;
+ args.table_args.rmt.fp_len = 16;
+ args.table_args.rmt_port = 4321;
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0), "Del 1.2.3.4/16 * 5.6.7.8/16 4321");
+ tc = session_lookup_connection_wt4 (0, &lcl_pref.fp_addr.ip4,
+ &rmt_pref.fp_addr.ip4, lcl_port + 1,
+ rmt_port, TRANSPORT_PROTO_TCP, 0,
+ &is_filtered);
+ SESSION_TEST ((tc == 0),
+ "lookup 1.2.3.4/32 123*5* 5.6.7.8/16 4321 should not "
+ "work (del)");
+
+ args.table_args.is_add = 0;
+ args.table_args.lcl_port = 1234;
+ args.table_args.lcl.fp_addr.ip4 = lcl_ip;
+ args.table_args.lcl.fp_len = 16;
+ args.table_args.rmt.fp_addr.ip4 = rmt_ip;
+ args.table_args.rmt.fp_len = 16;
+ args.table_args.rmt_port = 4321;
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0), "Del 1.2.3.4/16 1234 5.6.7.8/16 4321");
+ tc = session_lookup_connection_wt4 (0, &lcl_pref.fp_addr.ip4,
+ &rmt_pref.fp_addr.ip4, lcl_port,
+ rmt_port, TRANSPORT_PROTO_TCP, 0,
+ &is_filtered);
+ SESSION_TEST ((tc == 0), "lookup 1.2.3.4/32 1234 5.6.7.8/16 4321 should "
+ "not work (del + deny)");
+
+ SESSION_TEST ((error == 0), "Del 1.2.3.4/32 1234 5.6.7.8/32 4321 deny");
+ tc = session_lookup_connection_wt4 (0, &lcl_pref.fp_addr.ip4,
+ &rmt_pref.fp_addr.ip4, lcl_port,
+ rmt_port, TRANSPORT_PROTO_TCP, 0,
+ &is_filtered);
+ SESSION_TEST ((tc == 0), "lookup 1.2.3.4/32 1234 5.6.7.8/16 4321 should"
+ " not work (no-rule)");
+
+ /*
+ * Test tags. Add/overwrite/del rule with tag
+ */
+ args.table_args.is_add = 1;
+ args.table_args.lcl_port = 1234;
+ args.table_args.lcl.fp_addr.ip4 = lcl_ip;
+ args.table_args.lcl.fp_len = 16;
+ args.table_args.rmt.fp_addr.ip4 = rmt_ip;
+ args.table_args.rmt.fp_len = 16;
+ args.table_args.rmt_port = 4321;
+ args.table_args.tag = format (0, "test_rule");
+ args.table_args.action_index = server_index;
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0), "Add 1.2.3.4/16 1234 5.6.7.8/16 4321 deny "
+ "tag test_rule");
+ if (verbose)
+ {
+ session_lookup_dump_rules_table (0, FIB_PROTOCOL_IP4,
+ TRANSPORT_PROTO_TCP);
+ session_lookup_dump_local_rules_table (local_ns_index, FIB_PROTOCOL_IP4,
+ TRANSPORT_PROTO_TCP);
+ }
+ tc = session_lookup_connection_wt4 (0, &lcl_pref.fp_addr.ip4,
+ &rmt_pref.fp_addr.ip4, lcl_port,
+ rmt_port, TRANSPORT_PROTO_TCP, 0,
+ &is_filtered);
+ SESSION_TEST ((tc->c_index == listener->connection_index),
+ "lookup 1.2.3.4/32 1234 5.6.7.8/16 4321 should work");
+
+ vec_free (args.table_args.tag);
+ args.table_args.lcl_port = 1234;
+ args.table_args.lcl.fp_addr.ip4 = lcl_ip;
+ args.table_args.lcl.fp_len = 16;
+ args.table_args.tag = format (0, "test_rule_overwrite");
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0),
+ "Overwrite 1.2.3.4/16 1234 5.6.7.8/16 4321 deny tag test_rule"
+ " should work");
+ if (verbose)
+ {
+ session_lookup_dump_rules_table (0, FIB_PROTOCOL_IP4,
+ TRANSPORT_PROTO_TCP);
+ session_lookup_dump_local_rules_table (local_ns_index, FIB_PROTOCOL_IP4,
+ TRANSPORT_PROTO_TCP);
+ }
+
+ args.table_args.is_add = 0;
+ args.table_args.lcl_port += 1;
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0), "Del 1.2.3.4/32 1234 5.6.7.8/32 4321 deny "
+ "tag %v", args.table_args.tag);
+ if (verbose)
+ {
+ session_lookup_dump_rules_table (0, FIB_PROTOCOL_IP4,
+ TRANSPORT_PROTO_TCP);
+ session_lookup_dump_local_rules_table (local_ns_index, FIB_PROTOCOL_IP4,
+ TRANSPORT_PROTO_TCP);
+ }
+ tc = session_lookup_connection_wt4 (0, &lcl_pref.fp_addr.ip4,
+ &rmt_pref.fp_addr.ip4, lcl_port,
+ rmt_port, TRANSPORT_PROTO_TCP, 0,
+ &is_filtered);
+ SESSION_TEST ((tc == 0), "lookup 1.2.3.4/32 1234 5.6.7.8/32 4321 should not"
+ " work (del)");
+
+
+ /*
+ * Test local rules with multiple namespaces
+ */
+
+ /*
+ * Add deny rule 1.2.3.4/32 1234 5.6.7.8/32 0 action -2 (drop)
+ */
+ args.table_args.is_add = 1;
+ args.table_args.lcl_port = 1234;
+ args.table_args.rmt_port = 0;
+ args.table_args.lcl.fp_addr.ip4 = lcl_ip;
+ args.table_args.lcl.fp_len = 32;
+ args.table_args.rmt.fp_addr.ip4 = rmt_ip;
+ args.table_args.rmt.fp_len = 32;
+ args.table_args.action_index = SESSION_RULES_TABLE_ACTION_DROP;
+ args.table_args.tag = 0;
+ args.scope = SESSION_RULE_SCOPE_LOCAL;
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0), "Add 1.2.3.4/32 1234 5.6.7.8/32 4321 action %d",
+ args.table_args.action_index);
+ /*
+ * Add 'white' rule 1.2.3.4/32 1234 5.6.7.8/32 4321 action -2 (drop)
+ */
+ args.table_args.is_add = 1;
+ args.table_args.lcl_port = 1234;
+ args.table_args.rmt_port = 4321;
+ args.table_args.lcl.fp_addr.ip4 = lcl_ip;
+ args.table_args.lcl.fp_len = 32;
+ args.table_args.rmt.fp_addr.ip4 = rmt_ip;
+ args.table_args.rmt.fp_len = 32;
+ args.table_args.action_index = SESSION_RULES_TABLE_ACTION_ALLOW;
+ error = vnet_session_rule_add_del (&args);
+
+ if (verbose)
+ {
+ session_lookup_dump_local_rules_table (local_ns_index, FIB_PROTOCOL_IP4,
+ TRANSPORT_PROTO_TCP);
+ }
+
+ vnet_app_namespace_add_del_args_t ns_args = {
+ .ns_id = ns_id,
+ .secret = 0,
+ .sw_if_index = APP_NAMESPACE_INVALID_INDEX,
+ .is_add = 1
+ };
+ error = vnet_app_namespace_add_del (&ns_args);
+ SESSION_TEST ((error == 0), "app ns insertion should succeed: %d",
+ clib_error_get_code (error));
+ app_ns = app_namespace_get_from_id (ns_id);
+
+ attach_args.namespace_id = ns_id;
+ attach_args.api_client_index = dummy_server_api_index - 1;
+ error = vnet_application_attach (&attach_args);
+ SESSION_TEST ((error == 0), "server2 attached");
+ server_index2 = attach_args.app_index;
+
+ /*
+ * Add deny rule 1.2.3.4/32 1234 5.6.7.8/32 0 action -2 (drop)
+ */
+ args.table_args.lcl_port = 1234;
+ args.table_args.rmt_port = 0;
+ args.table_args.lcl.fp_addr.ip4 = lcl_ip;
+ args.table_args.lcl.fp_len = 32;
+ args.table_args.rmt.fp_addr.ip4 = rmt_ip;
+ args.table_args.rmt.fp_len = 32;
+ args.table_args.action_index = SESSION_RULES_TABLE_ACTION_DROP;
+ args.appns_index = app_namespace_index (app_ns);
+
+ error = vnet_session_rule_add_del (&args);
+ SESSION_TEST ((error == 0), "Add 1.2.3.4/32 1234 5.6.7.8/32 4321 action %d "
+ "in test namespace", args.table_args.action_index);
+ /*
+ * Lookup default namespace
+ */
+ handle = session_lookup_local_endpoint (local_ns_index, &sep);
+ SESSION_TEST ((handle == SESSION_INVALID_HANDLE),
+ "lookup for 1.2.3.4/32 1234 5.6.7.8/32 4321 in local table "
+ "should return allow (invalid)");
+
+ sep.port += 1;
+ handle = session_lookup_local_endpoint (local_ns_index, &sep);
+ SESSION_TEST ((handle == SESSION_DROP_HANDLE), "lookup for 1.2.3.4/32 1234 "
+ "5.6.7.8/16 432*2* in local table should return deny");
+
+
+ connect_args.app_index = server_index;
+ connect_args.sep = sep;
+
+ error = vnet_connect (&connect_args);
+ SESSION_TEST ((error != 0), "connect should fail");
+ rv = clib_error_get_code (error);
+ SESSION_TEST ((rv == VNET_API_ERROR_APP_CONNECT_FILTERED),
+ "connect should be filtered");
+
+ /*
+ * Lookup test namespace
+ */
+ handle = session_lookup_local_endpoint (app_ns->local_table_index, &sep);
+ SESSION_TEST ((handle == SESSION_DROP_HANDLE), "lookup for 1.2.3.4/32 1234 "
+ "5.6.7.8/16 4321 in local table should return deny");
+
+ connect_args.app_index = server_index;
+ error = vnet_connect (&connect_args);
+ SESSION_TEST ((error != 0), "connect should fail");
+ rv = clib_error_get_code (error);
+ SESSION_TEST ((rv == VNET_API_ERROR_APP_CONNECT_FILTERED),
+ "connect should be filtered");
+
+ args.table_args.is_add = 0;
+ vnet_session_rule_add_del (&args);
+
+ args.appns_index = 0;
+ args.table_args.is_add = 0;
+ vnet_session_rule_add_del (&args);
+
+ args.table_args.rmt_port = 4321;
+ vnet_session_rule_add_del (&args);
+ /*
+ * Final Cleanup
+ */
+ vec_free (args.table_args.tag);
+ vnet_app_detach_args_t detach_args = {
+ .app_index = server_index,
+ };
+ vnet_application_detach (&detach_args);
+
+ detach_args.app_index = server_index2;
+ vnet_application_detach (&detach_args);
+
+ vec_free (ns_id);
+ return 0;
+}
+
+static int
+session_test_proxy (vlib_main_t * vm, unformat_input_t * input)
+{
+ u64 options[APP_OPTIONS_N_OPTIONS];
+ char *show_listeners = "sh session listeners tcp verbose";
+ char *show_local_listeners = "sh app ns table default";
+ unformat_input_t tmp_input;
+ u32 server_index, app_index;
+ u32 dummy_server_api_index = ~0, sw_if_index = 0;
+ clib_error_t *error = 0;
+ u8 sst, is_filtered = 0;
+ stream_session_t *s;
+ transport_connection_t *tc;
+ u16 lcl_port = 1234, rmt_port = 4321;
+ app_namespace_t *app_ns;
+ int verbose = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "verbose"))
+ verbose = 1;
+ else
+ {
+ vlib_cli_output (vm, "parse error: '%U'", format_unformat_error,
+ input);
+ return -1;
+ }
+ }
+
+ ip4_address_t lcl_ip = {
+ .as_u32 = clib_host_to_net_u32 (0x01020304),
+ };
+ ip4_address_t rmt_ip = {
+ .as_u32 = clib_host_to_net_u32 (0x05060708),
+ };
+ fib_prefix_t rmt_pref = {
+ .fp_addr.ip4.as_u32 = rmt_ip.as_u32,
+ .fp_len = 16,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ };
+ session_endpoint_t sep = {
+ .ip = rmt_pref.fp_addr,
+ .is_ip4 = 1,
+ .port = rmt_port,
+ .transport_proto = TRANSPORT_PROTO_TCP,
+ };
+
+ /*
+ * Create loopback interface
+ */
+ session_create_lookpback (0, &sw_if_index, &lcl_ip);
+
+ app_ns = app_namespace_get_default ();
+ app_ns->sw_if_index = sw_if_index;
+
+ memset (options, 0, sizeof (options));
+ options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
+ options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_ACCEPT_REDIRECT;
+ options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_IS_PROXY;
+ options[APP_OPTIONS_PROXY_TRANSPORT] = 1 << TRANSPORT_PROTO_TCP;
+ options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
+ options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
+ vnet_app_attach_args_t attach_args = {
+ .api_client_index = ~0,
+ .options = options,
+ .namespace_id = 0,
+ .session_cb_vft = &dummy_session_cbs,
+ };
+
+ attach_args.api_client_index = dummy_server_api_index;
+ error = vnet_application_attach (&attach_args);
+ SESSION_TEST ((error == 0), "server attachment should work");
+ server_index = attach_args.app_index;
+
+ if (verbose)
+ {
+ unformat_init_string (&tmp_input, show_listeners,
+ strlen (show_listeners));
+ vlib_cli_input (vm, &tmp_input, 0, 0);
+ unformat_init_string (&tmp_input, show_local_listeners,
+ strlen (show_local_listeners));
+ vlib_cli_input (vm, &tmp_input, 0, 0);
+ }
+
+ tc = session_lookup_connection_wt4 (0, &lcl_ip, &rmt_ip, lcl_port, rmt_port,
+ TRANSPORT_PROTO_TCP, 0, &is_filtered);
+ SESSION_TEST ((tc != 0), "lookup 1.2.3.4 1234 5.6.7.8 4321 should be "
+ "successful");
+ sst = session_type_from_proto_and_ip (TRANSPORT_PROTO_TCP, 1);
+ s = listen_session_get (sst, tc->s_index);
+ SESSION_TEST ((s->app_index == server_index), "lookup should return the"
+ " server");
+
+ tc = session_lookup_connection_wt4 (0, &rmt_ip, &rmt_ip, lcl_port, rmt_port,
+ TRANSPORT_PROTO_TCP, 0, &is_filtered);
+ SESSION_TEST ((tc == 0), "lookup 5.6.7.8 1234 5.6.7.8 4321 should"
+ " not work");
+
+ app_index = session_lookup_local_endpoint (app_ns->local_table_index, &sep);
+ SESSION_TEST ((app_index == server_index), "local session endpoint lookup"
+ " should work");
+
+ vnet_app_detach_args_t detach_args = {
+ .app_index = server_index,
+ };
+ vnet_application_detach (&detach_args);
+
+ if (verbose)
+ {
+ unformat_init_string (&tmp_input, show_listeners,
+ strlen (show_listeners));
+ vlib_cli_input (vm, &tmp_input, 0, 0);
+ unformat_init_string (&tmp_input, show_local_listeners,
+ strlen (show_local_listeners));
+ vlib_cli_input (vm, &tmp_input, 0, 0);
+ }
+
+ app_index = session_lookup_local_endpoint (app_ns->local_table_index, &sep);
+ SESSION_TEST ((app_index == SESSION_RULES_TABLE_INVALID_INDEX),
+ "local session endpoint lookup should not work after detach");
+ if (verbose)
+ unformat_free (&tmp_input);