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-rw-r--r--src/vnet/session/session_test.c1756
1 files changed, 0 insertions, 1756 deletions
diff --git a/src/vnet/session/session_test.c b/src/vnet/session/session_test.c
deleted file mode 100644
index 5c2993e3322..00000000000
--- a/src/vnet/session/session_test.c
+++ /dev/null
@@ -1,1756 +0,0 @@
-/*
- * 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 <vnet/session/application_namespace.h>
-#include <vnet/session/application_interface.h>
-#include <vnet/session/application.h>
-#include <vnet/session/session.h>
-#include <vnet/session/session_rules_table.h>
-
-#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...");
-}
-
-volatile u32 connected_session_index = ~0;
-volatile u32 connected_session_thread = ~0;
-int
-dummy_session_connected_callback (u32 app_index, u32 api_context,
- stream_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, const ssvm_private_t * fs)
-{
- dummy_segment_count = 1;
- return 0;
-}
-
-int
-dummy_del_segment_callback (u32 client_index, const ssvm_private_t * fs)
-{
- dummy_segment_count = 0;
- return 0;
-}
-
-void
-dummy_session_disconnect_callback (stream_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 (stream_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 (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_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_bind_args_t bind_args = {
- .sep = server_sep,
- .app_index = 0,
- };
-
- bind_args.app_index = server_index;
- error = vnet_bind (&bind_args);
- SESSION_TEST ((error == 0), "server bind4 should work");
- bind4_handle = bind_args.handle;
-
- error = vnet_bind (&bind_args);
- SESSION_TEST ((error != 0), "double server bind4 should not work");
-
- bind_args.sep.is_ip4 = 0;
- error = vnet_bind (&bind_args);
- SESSION_TEST ((error == 0), "server bind6 should work");
- bind6_handle = bind_args.handle;
-
- error = vnet_bind (&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_unbind (&unbind_args);
- SESSION_TEST ((error == 0), "unbind4 should work");
-
- unbind_args.handle = bind6_handle;
- error = vnet_unbind (&unbind_args);
- SESSION_TEST ((error == 0), "unbind6 should work");
-
- vnet_app_detach_args_t detach_args = {
- .app_index = server_index,
- };
- 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;
- 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;
- u32 server_index, client_index, sw_if_index[2];
- ip4_address_t intf_addr[3];
- transport_connection_t *tc;
- stream_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_bind_args_t bind_args = {
- .sep = server_sep,
- .app_index = server_index,
- };
- error = vnet_bind (&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,
- };
-
- error = vnet_connect (&connect_args);
- SESSION_TEST ((error == 0), "connect should work");
-
- /* wait for stuff to happen */
- vlib_process_suspend (vm, 10e-3);
-
- SESSION_TEST ((connected_session_index != ~0), "session 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
- */
- stream_session_cleanup (s);
- s = session_get (accepted_session_index, accepted_session_thread);
- stream_session_cleanup (s);
-
- vnet_app_detach_args_t detach_args = {
- .app_index = server_index,
- };
- 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 = 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");
- app_namespace_t *app_ns;
- application_t *server;
- stream_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_bind_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,
- };
-
- 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_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_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_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);
- 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_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_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_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");
- 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_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);
- 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_unbind (&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
- */
- 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_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_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");
- 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;
- 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_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 = {
- .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 - 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;
- 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,
- };
- 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;
- 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;
-
- 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,
- };
- 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:
- */