/* * 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 #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 (stream_session_t * s) { clib_warning ("called..."); } int dummy_session_connected_callback (u32 app_index, u32 api_context, stream_session_t * s, u8 is_fail) { clib_warning ("called..."); return -1; } int dummy_add_segment_callback (u32 client_index, const u8 * seg_name, u32 seg_size) { clib_warning ("called..."); return -1; } int dummy_redirect_connect_callback (u32 client_index, void *mp) { return VNET_API_ERROR_SESSION_REDIRECT; } void dummy_session_disconnect_callback (stream_session_t * s) { clib_warning ("called..."); } int dummy_session_accept_callback (stream_session_t * s) { clib_warning ("called..."); return -1; } int dummy_server_rx_callback (stream_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_server_rx_callback = dummy_server_rx_callback, .redirect_connect_callback = dummy_redirect_connect_callback, }; /* *INDENT-ON* */ static int session_test_namespace (vlib_main_t * vm, unformat_input_t * input) { u64 options[SESSION_OPTIONS_N_OPTIONS], dummy_secret = 1234; u32 server_index, server_st_index, server_local_st_index; u32 dummy_port = 1234, local_listener, client_index; u32 dummy_api_context = 4321, dummy_client_api_index = 1234; 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"), intf_mac[6]; app_namespace_t *app_ns; u8 segment_name[128]; application_t *server; stream_session_t *s; int code; server_sep.is_ip4 = 1; server_sep.port = dummy_port; client_sep.is_ip4 = 1; client_sep.port = dummy_port; memset (options, 0, sizeof (options)); memset (intf_mac, 0, sizeof (intf_mac)); options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_ACCEPT_REDIRECT; vnet_app_attach_args_t attach_args = { .api_client_index = ~0, .options = options, .namespace_id = 0, .session_cb_vft = &dummy_session_cbs, .segment_name = segment_name, }; vnet_bind_args_t bind_args = { .sep = server_sep, .app_index = 0, }; vnet_connect_args_t connect_args = { .sep = client_sep, .app_index = 0, .api_context = 0, }; vnet_unbind_args_t unbind_args = { .handle = bind_args.handle, .app_index = 0, }; vnet_app_detach_args_t detach_args = { .app_index = 0, }; ip4_address_t intf_addr = { .as_u32 = clib_host_to_net_u32 (0x06000105), }; 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); SESSION_TEST ((server->ns_index == 0), "server should be in the default ns"); bind_args.app_index = server_index; error = vnet_bind (&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_index == server_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_unbind (&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); 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_bind (&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_index == server_index), "app_index should be that of " "the server"); server_local_st_index = application_local_session_table (server); local_listener = session_lookup_local_session_endpoint (server_local_st_index, &server_sep); SESSION_TEST ((local_listener != SESSION_INVALID_INDEX), "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)"); connect_args.sep.ip.ip4.as_u8[0] = 127; 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_REDIRECT), "error code should be redirect"); 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_unbind (&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"); local_listener = session_lookup_local_session_endpoint (server_local_st_index, &server_sep); SESSION_TEST ((s == 0), "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_bind (&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); local_listener = session_lookup_local_session_endpoint (server_local_st_index, &server_sep); SESSION_TEST ((local_listener != SESSION_INVALID_INDEX), "listener should exist in local table"); unbind_args.handle = bind_args.handle; error = vnet_unbind (&unbind_args); SESSION_TEST ((error == 0), "unbind should work"); local_listener = session_lookup_local_session_endpoint (server_local_st_index, &server_sep); SESSION_TEST ((local_listener == SESSION_INVALID_INDEX), "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 */ if (vnet_create_loopback_interface (&sw_if_index, intf_mac, 0, 0)) { clib_warning ("couldn't create loopback. stopping the test!"); return 0; } vnet_sw_interface_set_flags (vnet_get_main (), sw_if_index, VNET_SW_INTERFACE_FLAG_ADMIN_UP); ip4_add_del_interface_address (vlib_get_main (), sw_if_index, &intf_addr, 24, 0); /* * Update namespace */ 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; bind_args.app_index = server_index; error = vnet_bind (&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_index == server_index), "app_index should be that of " "the server"); server_local_st_index = application_local_session_table (server); local_listener = session_lookup_local_session_endpoint (server_local_st_index, &server_sep); SESSION_TEST ((local_listener != SESSION_INVALID_INDEX), "zero listener should exist in local table"); detach_args.app_index = server_index; vnet_application_detach (&detach_args); /* * Cleanup */ vec_free (ns_id); vnet_delete_loopback_interface (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[SESSION_OPTIONS_N_OPTIONS]; u16 lcl_port = 1234, rmt_port = 4321; u32 server_index, app_index; u32 dummy_server_api_index = ~0; transport_connection_t *tc; u32 dummy_port = 1111; clib_error_t *error = 0; u8 segment_name[128]; 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; 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, .segment_name = segment_name, }; 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_ACCEPT_REDIRECT; 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); 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); 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, }; app_index = session_lookup_local_session_endpoint (local_ns_index, &sep); SESSION_TEST ((app_index != 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); 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); SESSION_TEST ((tc->c_index == listener->connection_index), "optimized lookup for lcl port + 1 should work"); app_index = session_lookup_local_session_endpoint (local_ns_index, &sep); SESSION_TEST ((app_index != server_index), "local session endpoint lookup " "should not work (constrained lcl ip)"); /* * Add drop 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 = 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; 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); if (verbose) { session_lookup_dump_rules_table (0, FIB_PROTOCOL_IP4, TRANSPORT_PROTO_TCP); session_lookup_dump_local_rules_table (0, 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); SESSION_TEST ((tc == 0), "lookup for 1.2.3.4/32 1234 5.6.7.8/16 4321 " "should fail (drop rule)"); /* * Add local scope rule for 0/0 * 5.6.7.8/16 4321 action server_index */ 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 = server_index; 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 (0, FIB_PROTOCOL_IP4, TRANSPORT_PROTO_TCP); } app_index = session_lookup_local_session_endpoint (local_ns_index, &sep); SESSION_TEST ((app_index == server_index), "local session endpoint lookup " "should work"); /* * 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; error = vnet_session_rule_add_del (&args); SESSION_TEST ((error == 0), "Del 0/0 * 5.6.7.8/16 4321"); app_index = session_lookup_local_session_endpoint (local_ns_index, &sep); SESSION_TEST ((app_index != server_index), "local session endpoint lookup " "should not work (removed)"); args.table_args.is_add = 0; args.table_args.lcl = lcl_pref; 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); SESSION_TEST ((tc == 0), "optimized lookup for lcl port + 1 should not " "work (del)"); args.table_args.is_add = 0; args.table_args.lcl_port = 1234; 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); SESSION_TEST ((tc == 0), "optimized lookup should not work (del + negative)"); 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 drop"); tc = session_lookup_connection_wt4 (0, &lcl_pref.fp_addr.ip4, &rmt_pref.fp_addr.ip4, lcl_port, rmt_port, TRANSPORT_PROTO_TCP, 0); SESSION_TEST ((tc == 0), "optimized lookup should not work (no-rule)"); /* * Test tags. Add/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.tag = format (0, "test_rule"); error = vnet_session_rule_add_del (&args); SESSION_TEST ((error == 0), "Add 1.2.3.4/16 1234 5.6.7.8/16 4321 drop " "tag test_rule"); if (verbose) { session_lookup_dump_rules_table (0, FIB_PROTOCOL_IP4, TRANSPORT_PROTO_TCP); session_lookup_dump_local_rules_table (0, FIB_PROTOCOL_IP4, TRANSPORT_PROTO_TCP); } args.table_args.is_add = 0; args.table_args.lcl_port += 1; SESSION_TEST ((error == 0), "Del 1.2.3.4/32 1234 5.6.7.8/32 4321 drop " "tag test_rule"); return 0; } static int session_test_proxy (vlib_main_t * vm, unformat_input_t * input) { u64 options[SESSION_OPTIONS_N_OPTIONS]; u32 server_index, app_index; u32 dummy_server_api_index = ~0, sw_if_index = 0; clib_error_t *error = 0; u8 segment_name[128], intf_mac[6], sst; 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 */ 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 0; } vnet_sw_interface_set_flags (vnet_get_main (), sw_if_index, VNET_SW_INTERFACE_FLAG_ADMIN_UP); ip4_add_del_interface_address (vlib_get_main (), sw_if_index, &lcl_ip, 24, 0); 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_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, .segment_name = segment_name, }; 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) session_lookup_dump_rules_table (0, FIB_PROTOCOL_IP4, TRANSPORT_PROTO_TCP); tc = session_lookup_connection_wt4 (0, &lcl_ip, &rmt_ip, lcl_port, rmt_port, TRANSPORT_PROTO_TCP, 0); 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); SESSION_TEST ((tc == 0), "lookup 5.6.7.8 1234 5.6.7.8 4321 should" " not work"); if (verbose) session_lookup_dump_local_rules_table (app_ns->local_table_index, FIB_PROTOCOL_IP4, TRANSPORT_PROTO_TCP); app_index = session_lookup_local_session_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) session_lookup_dump_local_rules_table (app_ns->local_table_index, FIB_PROTOCOL_IP4, TRANSPORT_PROTO_TCP); app_index = session_lookup_local_session_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"); 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, "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 break; } 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: */