/* * Copyright (c) 2017 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include #include #include #include #include #include #define SESSION_TEST_I(_cond, _comment, _args...) \ ({ \ int _evald = (_cond); \ if (!(_evald)) { \ fformat(stderr, "FAIL:%d: " _comment "\n", \ __LINE__, ##_args); \ } else { \ fformat(stderr, "PASS:%d: " _comment "\n", \ __LINE__, ##_args); \ } \ _evald; \ }) #define SESSION_TEST(_cond, _comment, _args...) \ { \ if (!SESSION_TEST_I(_cond, _comment, ##_args)) { \ return 1; \ } \ } void dummy_session_reset_callback (session_t * s) { clib_warning ("called..."); } volatile u32 connected_session_index = ~0; volatile u32 connected_session_thread = ~0; int dummy_session_connected_callback (u32 app_index, u32 api_context, session_t * s, u8 is_fail) { if (s) { connected_session_index = s->session_index; connected_session_thread = s->thread_index; } return 0; } static u32 dummy_segment_count; int dummy_add_segment_callback (u32 client_index, u64 segment_handle) { dummy_segment_count = 1; return 0; } int dummy_del_segment_callback (u32 client_index, u64 segment_handle) { dummy_segment_count = 0; return 0; } void dummy_session_disconnect_callback (session_t * s) { clib_warning ("called..."); } static u32 dummy_accept; volatile u32 accepted_session_index; volatile u32 accepted_session_thread; int dummy_session_accept_callback (session_t * s) { dummy_accept = 1; accepted_session_index = s->session_index; accepted_session_thread = s->thread_index; s->session_state = SESSION_STATE_READY; return 0; } int dummy_server_rx_callback (session_t * s) { clib_warning ("called..."); return -1; } /* *INDENT-OFF* */ static session_cb_vft_t dummy_session_cbs = { .session_reset_callback = dummy_session_reset_callback, .session_connected_callback = dummy_session_connected_callback, .session_accept_callback = dummy_session_accept_callback, .session_disconnect_callback = dummy_session_disconnect_callback, .builtin_app_rx_callback = dummy_server_rx_callback, .add_segment_callback = dummy_add_segment_callback, .del_segment_callback = dummy_del_segment_callback, }; /* *INDENT-ON* */ static int session_create_lookpback (u32 table_id, u32 * sw_if_index, ip4_address_t * intf_addr) { u8 intf_mac[6]; clib_memset (intf_mac, 0, sizeof (intf_mac)); if (vnet_create_loopback_interface (sw_if_index, intf_mac, 0, 0)) { clib_warning ("couldn't create loopback. stopping the test!"); return -1; } if (table_id != 0) { ip_table_create (FIB_PROTOCOL_IP4, table_id, 0, 0); ip_table_bind (FIB_PROTOCOL_IP4, *sw_if_index, table_id, 0); } vnet_sw_interface_set_flags (vnet_get_main (), *sw_if_index, VNET_SW_INTERFACE_FLAG_ADMIN_UP); if (ip4_add_del_interface_address (vlib_get_main (), *sw_if_index, intf_addr, 24, 0)) { clib_warning ("couldn't assign loopback ip %U", format_ip4_address, intf_addr); return -1; } return 0; } static void session_delete_loopback (u32 sw_if_index) { /* fails spectacularly */ /* vnet_delete_loopback_interface (sw_if_index); */ } static int session_test_basic (vlib_main_t * vm, unformat_input_t * input) { session_endpoint_t server_sep = SESSION_ENDPOINT_NULL; u64 options[APP_OPTIONS_N_OPTIONS], bind4_handle, bind6_handle; clib_error_t *error = 0; u32 server_index; clib_memset (options, 0, sizeof (options)); 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; vnet_app_attach_args_t attach_args = { .api_client_index = ~0, .options = options, .namespace_id = 0, .session_cb_vft = &dummy_session_cbs, .name = format (0, "session_test"), }; error = vnet_application_attach (&attach_args); SESSION_TEST ((error == 0), "app attached"); server_index = attach_args.app_index; vec_free (attach_args.name); server_sep.is_ip4 = 1; vnet_listen_args_t bind_args = { .sep = server_sep, .app_index = 0, }; bind_args.app_index = server_index; error = vnet_listen (&bind_args); SESSION_TEST ((error == 0), "server bind4 should work"); bind4_handle = bind_args.handle; error = vnet_listen (&bind_args); SESSION_TEST ((error != 0), "double server bind4 should not work"); bind_args.sep.is_ip4 = 0; error = vnet_listen (&bind_args); SESSION_TEST ((error == 0), "server bind6 should work"); bind6_handle = bind_args.handle; error = vnet_listen (&bind_args); SESSION_TEST ((error != 0), "double server bind6 should not work"); vnet_unbind_args_t unbind_args = { .handle = bind4_handle, .app_index = server_index, }; error = vnet_unlisten (&unbind_args); SESSION_TEST ((error == 0), "unbind4 should work"); unbind_args.handle = bind6_handle; error = vnet_unlisten (&unbind_args); SESSION_TEST ((error == 0), "unbind6 should work"); vnet_app_detach_args_t detach_args = { .app_index = server_index, .api_client_index = ~0, }; vnet_application_detach (&detach_args); return 0; } static void session_add_del_route_via_lookup_in_table (u32 in_table_id, u32 via_table_id, ip4_address_t * ip, u8 mask, u8 is_add) { fib_route_path_t *rpaths = 0, *rpath; u32 in_fib_index, via_fib_index; fib_prefix_t prefix = { .fp_addr.ip4.as_u32 = ip->as_u32, .fp_len = mask, .fp_proto = FIB_PROTOCOL_IP4, }; via_fib_index = fib_table_find (FIB_PROTOCOL_IP4, via_table_id); if (via_fib_index == ~0) { clib_warning ("couldn't resolve via table id to index"); return; } in_fib_index = fib_table_find (FIB_PROTOCOL_IP4, in_table_id); if (in_fib_index == ~0) { clib_warning ("couldn't resolve in table id to index"); return; } vec_add2 (rpaths, rpath, 1); clib_memset (rpath, 0, sizeof (*rpath)); rpath->frp_weight = 1; rpath->frp_fib_index = via_fib_index; rpath->frp_proto = DPO_PROTO_IP4; rpath->frp_sw_if_index = ~0; rpath->frp_flags |= FIB_ROUTE_PATH_DEAG; if (is_add) fib_table_entry_path_add2 (in_fib_index, &prefix, FIB_SOURCE_CLI, FIB_ENTRY_FLAG_NONE, rpath); else fib_table_entry_path_remove2 (in_fib_index, &prefix, FIB_SOURCE_CLI, rpath); vec_free (rpaths); } static int session_test_endpoint_cfg (vlib_main_t * vm, unformat_input_t * input) { session_endpoint_cfg_t client_sep = SESSION_ENDPOINT_CFG_NULL; u32 server_index, client_index, sw_if_index[2], tries = 0; u64 options[APP_OPTIONS_N_OPTIONS], dummy_secret = 1234; u16 dummy_server_port = 1234, dummy_client_port = 5678; session_endpoint_t server_sep = SESSION_ENDPOINT_NULL; ip4_address_t intf_addr[3]; transport_connection_t *tc; session_t *s; clib_error_t *error; u8 *appns_id; /* * Create the loopbacks */ intf_addr[0].as_u32 = clib_host_to_net_u32 (0x01010101), session_create_lookpback (0, &sw_if_index[0], &intf_addr[0]); intf_addr[1].as_u32 = clib_host_to_net_u32 (0x02020202), session_create_lookpback (1, &sw_if_index[1], &intf_addr[1]); session_add_del_route_via_lookup_in_table (0, 1, &intf_addr[1], 32, 1 /* is_add */ ); session_add_del_route_via_lookup_in_table (1, 0, &intf_addr[0], 32, 1 /* is_add */ ); /* * Insert namespace */ appns_id = format (0, "appns1"); vnet_app_namespace_add_del_args_t ns_args = { .ns_id = appns_id, .secret = dummy_secret, .sw_if_index = sw_if_index[1], .ip4_fib_id = 0, .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)); /* * Attach client/server */ clib_memset (options, 0, sizeof (options)); options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; vnet_app_attach_args_t attach_args = { .api_client_index = ~0, .options = options, .namespace_id = 0, .session_cb_vft = &dummy_session_cbs, .name = format (0, "session_test_client"), }; error = vnet_application_attach (&attach_args); SESSION_TEST ((error == 0), "client app attached"); client_index = attach_args.app_index; vec_free (attach_args.name); attach_args.name = format (0, "session_test_server"); attach_args.namespace_id = appns_id; attach_args.options[APP_OPTIONS_NAMESPACE_SECRET] = dummy_secret; error = vnet_application_attach (&attach_args); SESSION_TEST ((error == 0), "server app attached: %U", format_clib_error, error); vec_free (attach_args.name); server_index = attach_args.app_index; server_sep.is_ip4 = 1; server_sep.port = dummy_server_port; vnet_listen_args_t bind_args = { .sep = server_sep, .app_index = server_index, }; error = vnet_listen (&bind_args); SESSION_TEST ((error == 0), "server bind should work"); /* * Connect and force lcl ip */ client_sep.is_ip4 = 1; client_sep.ip.ip4.as_u32 = clib_host_to_net_u32 (0x02020202); client_sep.port = dummy_server_port; client_sep.peer.is_ip4 = 1; client_sep.peer.ip.ip4.as_u32 = clib_host_to_net_u32 (0x01010101); client_sep.peer.port = dummy_client_port; client_sep.transport_proto = TRANSPORT_PROTO_TCP; vnet_connect_args_t connect_args = { .sep_ext = client_sep, .app_index = client_index, }; connected_session_index = connected_session_thread = ~0; accepted_session_index = accepted_session_thread = ~0; error = vnet_connect (&connect_args); SESSION_TEST ((error == 0), "connect should work"); /* wait for stuff to happen */ while ((connected_session_index == ~0 || vec_len (tcp_main.wrk_ctx[0].pending_acks)) && ++tries < 100) vlib_process_suspend (vm, 100e-3); clib_warning ("waited %.1f seconds for connections", tries / 10.0); SESSION_TEST ((connected_session_index != ~0), "session should exist"); SESSION_TEST ((connected_session_thread != ~0), "thread should exist"); SESSION_TEST ((accepted_session_index != ~0), "session should exist"); SESSION_TEST ((accepted_session_thread != ~0), "thread should exist"); s = session_get (connected_session_index, connected_session_thread); tc = session_get_transport (s); SESSION_TEST ((tc != 0), "transport should exist"); SESSION_TEST ((memcmp (&tc->lcl_ip, &client_sep.peer.ip, sizeof (tc->lcl_ip)) == 0), "ips should be equal"); SESSION_TEST ((tc->lcl_port == dummy_client_port), "ports should be equal"); /* These sessions, because of the way they're established are pinned to * main thread, even when we have workers and we avoid polling main thread, * i.e., we can't cleanup pending disconnects, so force cleanup for both */ session_transport_cleanup (s); s = session_get (accepted_session_index, accepted_session_thread); session_transport_cleanup (s); vnet_app_detach_args_t detach_args = { .app_index = server_index, .api_client_index = ~0, }; vnet_application_detach (&detach_args); detach_args.app_index = client_index; vnet_application_detach (&detach_args); /* Allow the disconnects to finish before removing the routes. */ vlib_process_suspend (vm, 10e-3); session_add_del_route_via_lookup_in_table (0, 1, &intf_addr[1], 32, 0 /* is_add */ ); session_add_del_route_via_lookup_in_table (1, 0, &intf_addr[0], 32, 0 /* is_add */ ); session_delete_loopback (sw_if_index[0]); session_delete_loopback (sw_if_index[1]); return 0; } static int session_test_namespace (vlib_main_t * vm, unformat_input_t * input) { u64 options[APP_OPTIONS_N_OPTIONS], dummy_secret = 1234; u32 server_index, server_st_index, server_local_st_index; u32 dummy_port = 1234, client_index, server_wrk_index; u32 dummy_api_context = 4321, dummy_client_api_index = ~0; u32 dummy_server_api_index = ~0, sw_if_index = 0; session_endpoint_t server_sep = SESSION_ENDPOINT_NULL; session_endpoint_t client_sep = SESSION_ENDPOINT_NULL; session_endpoint_t intf_sep = SESSION_ENDPOINT_NULL; clib_error_t *error = 0; u8 *ns_id = format (0, "appns1"); app_namespace_t *app_ns; application_t *server; session_t *s; u64 handle; int code; server_sep.is_ip4 = 1; server_sep.port = dummy_port; client_sep.is_ip4 = 1; client_sep.port = dummy_port; clib_memset (options, 0, sizeof (options)); options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; vnet_app_attach_args_t attach_args = { .api_client_index = ~0, .options = options, .namespace_id = 0, .session_cb_vft = &dummy_session_cbs, .name = format (0, "session_test"), }; vnet_listen_args_t bind_args = { .sep = server_sep, .app_index = 0, }; vnet_connect_args_t connect_args = { .app_index = 0, .api_context = 0, }; clib_memcpy (&connect_args.sep, &client_sep, sizeof (client_sep)); vnet_unbind_args_t unbind_args = { .handle = bind_args.handle, .app_index = 0, }; vnet_app_detach_args_t detach_args = { .app_index = 0, .api_client_index = ~0, }; ip4_address_t intf_addr = { .as_u32 = clib_host_to_net_u32 (0x07000105), }; intf_sep.ip.ip4 = intf_addr; intf_sep.is_ip4 = 1; intf_sep.port = dummy_port; /* * Insert namespace and lookup */ vnet_app_namespace_add_del_args_t ns_args = { .ns_id = ns_id, .secret = dummy_secret, .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); SESSION_TEST ((app_ns != 0), "should find ns %v status", ns_id); SESSION_TEST ((app_ns->ns_secret == dummy_secret), "secret should be %d", dummy_secret); SESSION_TEST ((app_ns->sw_if_index == APP_NAMESPACE_INVALID_INDEX), "sw_if_index should be invalid"); /* * Try application attach with wrong secret */ options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE; options[APP_OPTIONS_NAMESPACE_SECRET] = dummy_secret - 1; attach_args.namespace_id = ns_id; attach_args.api_client_index = dummy_server_api_index; error = vnet_application_attach (&attach_args); SESSION_TEST ((error != 0), "app attachment should fail"); code = clib_error_get_code (error); SESSION_TEST ((code == VNET_API_ERROR_APP_WRONG_NS_SECRET), "code should be wrong ns secret: %d", code); /* * Attach server with global default scope */ options[APP_OPTIONS_FLAGS] &= ~APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; options[APP_OPTIONS_FLAGS] &= ~APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE; options[APP_OPTIONS_NAMESPACE_SECRET] = 0; 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 attachment should work"); server_index = attach_args.app_index; server = application_get (server_index); server_wrk_index = application_get_default_worker (server)->wrk_index; SESSION_TEST ((server->ns_index == 0), "server should be in the default ns"); bind_args.app_index = server_index; error = vnet_listen (&bind_args); SESSION_TEST ((error == 0), "server bind should work"); server_st_index = application_session_table (server, FIB_PROTOCOL_IP4); s = session_lookup_listener (server_st_index, &server_sep); SESSION_TEST ((s != 0), "listener should exist in global table"); SESSION_TEST ((s->app_wrk_index == server_wrk_index), "app_index should be" " that of the server"); server_local_st_index = application_local_session_table (server); SESSION_TEST ((server_local_st_index == APP_INVALID_INDEX), "server shouldn't have access to local table"); unbind_args.app_index = server_index; unbind_args.handle = bind_args.handle; error = vnet_unlisten (&unbind_args); SESSION_TEST ((error == 0), "unbind should work"); s = session_lookup_listener (server_st_index, &server_sep); SESSION_TEST ((s == 0), "listener should not exist in global table"); detach_args.app_index = server_index; vnet_application_detach (&detach_args); /* * Attach server with local and global scope */ options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE; options[APP_OPTIONS_NAMESPACE_SECRET] = dummy_secret; attach_args.namespace_id = ns_id; 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; server = application_get (server_index); server_wrk_index = application_get_default_worker (server)->wrk_index; SESSION_TEST ((server->ns_index == app_namespace_index (app_ns)), "server should be in the right ns"); bind_args.app_index = server_index; error = vnet_listen (&bind_args); SESSION_TEST ((error == 0), "bind should work"); server_st_index = application_session_table (server, FIB_PROTOCOL_IP4); s = session_lookup_listener (server_st_index, &server_sep); SESSION_TEST ((s != 0), "listener should exist in global table"); SESSION_TEST ((s->app_wrk_index == server_wrk_index), "app_index should be" " that of the server"); server_local_st_index = application_local_session_table (server); handle = session_lookup_local_endpoint (server_local_st_index, &server_sep); SESSION_TEST ((handle != SESSION_INVALID_HANDLE), "listener should exist in local table"); /* * Try client connect with 1) local scope 2) global scope */ options[APP_OPTIONS_FLAGS] &= ~APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; attach_args.api_client_index = dummy_client_api_index; error = vnet_application_attach (&attach_args); SESSION_TEST ((error == 0), "client attachment should work"); client_index = attach_args.app_index; connect_args.api_context = dummy_api_context; connect_args.app_index = client_index; error = vnet_connect (&connect_args); SESSION_TEST ((error != 0), "client connect should return error code"); code = clib_error_get_code (error); SESSION_TEST ((code == VNET_API_ERROR_INVALID_VALUE), "error code should be invalid value (zero ip)"); SESSION_TEST ((dummy_segment_count == 0), "shouldn't have received request to map new segment"); connect_args.sep.ip.ip4.as_u8[0] = 127; error = vnet_connect (&connect_args); SESSION_TEST ((error == 0), "client connect should not return error code"); code = clib_error_get_code (error); SESSION_TEST ((dummy_segment_count == 1), "should've received request to map new segment"); SESSION_TEST ((dummy_accept == 1), "should've received accept request"); detach_args.app_index = client_index; vnet_application_detach (&detach_args); options[APP_OPTIONS_FLAGS] &= ~APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE; options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; attach_args.api_client_index = dummy_client_api_index; error = vnet_application_attach (&attach_args); SESSION_TEST ((error == 0), "client attachment should work"); error = vnet_connect (&connect_args); SESSION_TEST ((error != 0), "client connect should return error code"); code = clib_error_get_code (error); SESSION_TEST ((code == VNET_API_ERROR_SESSION_CONNECT), "error code should be connect (nothing in local scope)"); detach_args.app_index = client_index; vnet_application_detach (&detach_args); /* * Unbind and detach server and then re-attach with local scope only */ unbind_args.handle = bind_args.handle; unbind_args.app_index = server_index; error = vnet_unlisten (&unbind_args); SESSION_TEST ((error == 0), "unbind should work"); s = session_lookup_listener (server_st_index, &server_sep); SESSION_TEST ((s == 0), "listener should not exist in global table"); handle = session_lookup_local_endpoint (server_local_st_index, &server_sep); SESSION_TEST ((handle == SESSION_INVALID_HANDLE), "listener should not exist in local table"); detach_args.app_index = server_index; vnet_application_detach (&detach_args); options[APP_OPTIONS_FLAGS] &= ~APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE; attach_args.api_client_index = dummy_server_api_index; error = vnet_application_attach (&attach_args); SESSION_TEST ((error == 0), "app attachment should work"); server_index = attach_args.app_index; server = application_get (server_index); SESSION_TEST ((server->ns_index == app_namespace_index (app_ns)), "app should be in the right ns"); bind_args.app_index = server_index; error = vnet_listen (&bind_args); SESSION_TEST ((error == 0), "bind should work"); server_st_index = application_session_table (server, FIB_PROTOCOL_IP4); s = session_lookup_listener (server_st_index, &server_sep); SESSION_TEST ((s == 0), "listener should not exist in global table"); server_local_st_index = application_local_session_table (server); handle = session_lookup_local_endpoint (server_local_st_index, &server_sep); SESSION_TEST ((handle != SESSION_INVALID_HANDLE), "listener should exist in local table"); unbind_args.handle = bind_args.handle; error = vnet_unlisten (&unbind_args); SESSION_TEST ((error == 0), "unbind should work"); handle = session_lookup_local_endpoint (server_local_st_index, &server_sep); SESSION_TEST ((handle == SESSION_INVALID_HANDLE), "listener should not exist in local table"); /* * Client attach + connect in default ns with local scope */ 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_client_api_index; vnet_application_attach (&attach_args); error = vnet_connect (&connect_args); SESSION_TEST ((error != 0), "client connect should return error code"); code = clib_error_get_code (error); SESSION_TEST ((code == VNET_API_ERROR_SESSION_CONNECT), "error code should be connect (not in same ns)"); detach_args.app_index = client_index; vnet_application_detach (&detach_args); /* * Detach server */ detach_args.app_index = server_index; vnet_application_detach (&detach_args); /* * Create loopback interface */ session_create_lookpback (0, &sw_if_index, &intf_addr); /* * Update namespace with interface */ ns_args.sw_if_index = sw_if_index; error = vnet_app_namespace_add_del (&ns_args); SESSION_TEST ((error == 0), "app ns insertion should succeed: %d", clib_error_get_code (error)); /* * Attach server with local and global scope */ options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE; options[APP_OPTIONS_NAMESPACE_SECRET] = dummy_secret; attach_args.namespace_id = ns_id; 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; server = application_get (server_index); server_wrk_index = application_get_default_worker (server)->wrk_index; bind_args.app_index = server_index; error = vnet_listen (&bind_args); server_st_index = application_session_table (server, FIB_PROTOCOL_IP4); s = session_lookup_listener (server_st_index, &server_sep); SESSION_TEST ((s == 0), "zero listener should not exist in global table"); s = session_lookup_listener (server_st_index, &intf_sep); SESSION_TEST ((s != 0), "intf listener should exist in global table"); SESSION_TEST ((s->app_wrk_index == server_wrk_index), "app_index should be " "that of the server"); server_local_st_index = application_local_session_table (server); handle = session_lookup_local_endpoint (server_local_st_index, &server_sep); SESSION_TEST ((handle != SESSION_INVALID_HANDLE), "zero listener should exist in local table"); detach_args.app_index = server_index; vnet_application_detach (&detach_args); /* * Cleanup */ vec_free (attach_args.name); vec_free (ns_id); 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; } } clib_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"); 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; app_listener_t *al; 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; clib_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, .name = format (0, "session_test"), }; vnet_listen_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_listen (&bind_args); SESSION_TEST ((error == 0), "server bound to %U/%d", format_ip46_address, &server_sep.ip, 1, server_sep.port); al = app_listener_get_w_handle (bind_args.handle); listener = app_listener_get_session (al); 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 == SESSION_LOOKUP_RESULT_FILTERED), "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 = { .app_index = attach_args.app_index, .api_context = 0, }; clib_memcpy (&connect_args.sep, &sep, sizeof (sep)); /* 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; 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; clib_memcpy (&connect_args.sep, &sep, sizeof (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, .api_client_index = ~0, }; vnet_application_detach (&detach_args); detach_args.app_index = server_index2; vnet_application_detach (&detach_args); vec_free (ns_id); vec_free (attach_args.name); 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 is_filtered = 0; 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; clib_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, .name = format (0, "session_test"), }; 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"); s = listen_session_get (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, .api_client_index = ~0, }; 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); vec_free (attach_args.name); return 0; } static clib_error_t * session_test (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd_arg) { int res = 0; vnet_session_enable_disable (vm, 1); while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "basic")) res = session_test_basic (vm, input); else if (unformat (input, "namespace")) res = session_test_namespace (vm, input); else if (unformat (input, "rules-table")) res = session_test_rule_table (vm, input); else if (unformat (input, "rules")) res = session_test_rules (vm, input); else if (unformat (input, "proxy")) res = session_test_proxy (vm, input); else if (unformat (input, "endpt-cfg")) res = session_test_endpoint_cfg (vm, input); else if (unformat (input, "all")) { if ((res = session_test_basic (vm, input))) goto done; if ((res = session_test_namespace (vm, input))) goto done; if ((res = session_test_rule_table (vm, input))) goto done; if ((res = session_test_rules (vm, input))) goto done; if ((res = session_test_proxy (vm, input))) goto done; if ((res = session_test_endpoint_cfg (vm, input))) goto done; } else break; } done: if (res) return clib_error_return (0, "Session unit test failed"); return 0; } /* *INDENT-OFF* */ VLIB_CLI_COMMAND (tcp_test_command, static) = { .path = "test session", .short_help = "internal session unit tests", .function = session_test, }; /* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */