--- /dev/null
+/*
+ test_cases_random_port_bindings01.c -- Execution of specific meshlink black box test cases
+ Copyright (C) 2018 Guus Sliepen <guus@meshlink.io>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+/* Modify this to change the logging level of Meshlink */
+#define TEST_MESHLINK_LOG_LEVEL MESHLINK_DEBUG
+
+#include "execute_tests.h"
+#include "test_cases_random_port_bindings01.h"
+#include "../../../src/meshlink.h"
+#include "../../../src/devtools.h"
+#include "../common/containers.h"
+#include "../common/test_step.h"
+#include "../common/common_handlers.h"
+#include <stdlib.h>
+#include <stdarg.h>
+#include <setjmp.h>
+#include <cmocka.h>
+#include <assert.h>
+#include <string.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+
+static void test_case_mesh_random_port_bindings_01(void **state);
+static bool test_steps_mesh_random_port_bindings_01(void);
+static void test_case_mesh_random_port_bindings_02(void **state);
+static bool test_steps_mesh_random_port_bindings_02(void);
+static void test_case_mesh_random_port_bindings_03(void **state);
+static bool test_steps_mesh_random_port_bindings_03(void);
+
+/* State structure for meshlink_random_port_bindings Test Case #1 */
+static black_box_state_t test_mesh_random_port_bindings_01_state = {
+ .test_case_name = "test_case_mesh_random_port_bindings_01",
+};
+
+/* State structure for meshlink_random_port_bindings Test Case #2 */
+static black_box_state_t test_mesh_random_port_bindings_02_state = {
+ .test_case_name = "test_case_mesh_random_port_bindings_02",
+};
+
+/* State structure for meshlink_random_port_bindings Test Case #3 */
+static black_box_state_t test_mesh_random_port_bindings_03_state = {
+ .test_case_name = "test_case_mesh_random_port_bindings_03",
+};
+
+static int sockfd = -1, ipv6_fd = -1;
+
+static void log_message(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
+ (void) mesh;
+
+ static const char *levelstr[] = {
+ [MESHLINK_DEBUG] = "\x1b[34mDEBUG",
+ [MESHLINK_INFO] = "\x1b[32mINFO",
+ [MESHLINK_WARNING] = "\x1b[33mWARNING",
+ [MESHLINK_ERROR] = "\x1b[31mERROR",
+ [MESHLINK_CRITICAL] = "\x1b[31mCRITICAL",
+ };
+ fprintf(stderr, "%s:\x1b[0m %s\n", levelstr[level], text);
+}
+
+static void occupy_port(int port) {
+ int ret_val;
+ int mode = 1;
+ struct sockaddr_in servaddr;
+ struct sockaddr_in6 ipv6addr;
+
+ sockfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+ assert_int_not_equal(sockfd, -1);
+ memset(&servaddr, 0, sizeof(servaddr));
+
+ servaddr.sin_family = AF_INET;
+ servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
+ servaddr.sin_port = htons(port);
+
+ assert_int_equal(bind(sockfd, (const struct sockaddr *)&servaddr, sizeof(servaddr)), 0);
+
+ ipv6_fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
+ assert_int_not_equal(ipv6_fd, -1);
+
+ mode = 1;
+ setsockopt(ipv6_fd, IPPROTO_IPV6, IPV6_V6ONLY, (char *)&mode, sizeof(mode));
+
+ memset(&ipv6addr, 0, sizeof(ipv6addr));
+
+ ipv6addr.sin6_family = AF_INET6;
+ ipv6addr.sin6_addr = in6addr_any;
+ ipv6addr.sin6_port = htons(port);
+
+ if((ret_val = bind(ipv6_fd, (const struct sockaddr *)&ipv6addr, sizeof(ipv6addr))) < 0) {
+ fprintf(stderr, "Bind to ipv6 failed due to %s\n", strerror(errno));
+ assert(false);
+ }
+
+ listen(ipv6_fd, 5);
+
+ return;
+}
+
+static void occupy_trybind_port(void) {
+ occupy_port(10000);
+ return;
+}
+
+/* Execute meshlink_random_port_bindings Test Case # 1*/
+void test_case_mesh_random_port_bindings_01(void **state) {
+ execute_test(test_steps_mesh_random_port_bindings_01, state);
+}
+
+/* Test Steps for meshlink random port bindings Test Case # 1
+
+ Test Steps:
+ 1. Open a node instance
+ 2. Bind a Socket on port 10000
+ 3. Call meshlink_set_port() with same port 10000
+
+ Expected Result:
+ The meshlink_set_port() API should fail and the Listening Port
+ of the instance should be unchanged.
+*/
+bool test_steps_mesh_random_port_bindings_01(void) {
+ struct sockaddr_in servaddr;
+ meshlink_handle_t *relay = NULL;
+ meshlink_destroy("relay_conf");
+
+ meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_message);
+
+ relay = meshlink_open("relay_conf", "relay", "test", DEV_CLASS_BACKBONE);
+ fprintf(stderr, "Got mesh handle %p\n", (void *)relay);
+ assert_non_null(relay);
+
+ meshlink_set_log_cb(relay, MESHLINK_DEBUG, log_message);
+ meshlink_enable_discovery(relay, false);
+
+ assert_true(meshlink_start(relay));
+
+ occupy_port(10000);
+
+ meshlink_stop(relay);
+ fprintf(stderr, "Meshlink stop returned\n");
+
+ assert_int_equal(meshlink_set_port(relay, 10000), false);
+ fprintf(stderr, "Meshlink set port returned\n");
+
+ close(sockfd);
+ close(ipv6_fd);
+
+ sockfd = -1;
+ ipv6_fd = -1;
+
+ meshlink_close(relay);
+ meshlink_destroy("relay_conf");
+
+ return true;
+}
+
+/* Execute meshlink_blacklist Test Case # 2*/
+void test_case_mesh_random_port_bindings_02(void **state) {
+ execute_test(test_steps_mesh_random_port_bindings_02, state);
+}
+
+/* Test Steps for meshlink random port bindings Test Case # 2
+
+ Test Steps:
+ 1. Open a node and start the instance.
+ 2. Call meshlink_set_port() with port 10000
+ 3. When try bind succeds block the port using devtool_trybind_probe() callback.
+
+ Expected Result:
+ The meshlink_set_port() API should fail.
+*/
+bool test_steps_mesh_random_port_bindings_02(void) {
+ int port = -1;
+ meshlink_handle_t *relay = NULL;
+ meshlink_destroy("relay_conf");
+
+ meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_message);
+
+ relay = meshlink_open("relay_conf", "relay", "test", DEV_CLASS_BACKBONE);
+ fprintf(stderr, "Got mesh handle %p\n", (void *)relay);
+ assert_non_null(relay);
+
+ meshlink_set_log_cb(relay, MESHLINK_DEBUG, log_message);
+ meshlink_enable_discovery(relay, false);
+
+ assert_true(meshlink_start(relay));
+
+ sleep(1);
+ port = meshlink_get_port(relay);
+
+ devtool_trybind_probe = occupy_trybind_port;
+ meshlink_stop(relay);
+
+ assert_int_equal(meshlink_set_port(relay, 10000), false);
+
+ close(sockfd);
+ close(ipv6_fd);
+
+ sockfd = -1;
+ ipv6_fd = -1;
+
+ meshlink_close(relay);
+ meshlink_destroy("relay_conf");
+ return true;
+}
+
+/* Execute meshlink_blacklist Test Case # 3*/
+void test_case_mesh_random_port_bindings_03(void **state) {
+ execute_test(test_steps_mesh_random_port_bindings_03, state);
+}
+
+/* Test Steps for meshlink random port bindings Test Case # 3
+
+ Test Steps:
+ 1. Open a node and start the instance.
+ 2. Retrieve the port number of current instance using meshlink_get_port().
+ 3. Close the instance and try to occupy the meshlink instance port.
+ 4. Start the instance again with same confdir.
+
+ Expected Result:
+ The meshlink instance should start with a new random port different to
+ previous port number.
+*/
+bool test_steps_mesh_random_port_bindings_03(void) {
+ int mode = 1;
+ int port, new_port;
+ struct sockaddr_in servaddr;
+ struct sockaddr_in6 ipv6addr;
+ meshlink_handle_t *relay = NULL;
+ meshlink_destroy("relay_conf");
+
+ meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_message);
+
+ relay = meshlink_open("relay_conf", "relay", "test", DEV_CLASS_BACKBONE);
+ fprintf(stderr, "Got mesh handle %p\n", (void *)relay);
+ assert_non_null(relay);
+
+ meshlink_set_log_cb(relay, MESHLINK_DEBUG, log_message);
+ meshlink_enable_discovery(relay, false);
+
+ assert_true(meshlink_start(relay));
+ port = meshlink_get_port(relay);
+
+ meshlink_close(relay);
+
+ occupy_port(port);
+
+ relay = meshlink_open("relay_conf", "relay", "test", DEV_CLASS_BACKBONE);
+ fprintf(stderr, "Got mesh handle %p\n", (void *)relay);
+ assert_non_null(relay);
+
+ meshlink_set_log_cb(relay, MESHLINK_DEBUG, log_message);
+ meshlink_enable_discovery(relay, false);
+
+ assert_true(meshlink_start(relay));
+
+ new_port = meshlink_get_port(relay);
+
+ assert_int_not_equal(port, new_port);
+
+ close(sockfd);
+ close(ipv6_fd);
+
+ sockfd = -1;
+ ipv6_fd = -1;
+
+ meshlink_close(relay);
+ meshlink_destroy("relay_conf");
+ return true;
+}
+
+int test_meshlink_random_port_bindings01(void) {
+ const struct CMUnitTest blackbox_random_port_bindings_tests[] = {
+ cmocka_unit_test_prestate_setup_teardown(test_case_mesh_random_port_bindings_01, NULL, NULL,
+ (void *)&test_mesh_random_port_bindings_01_state),
+ cmocka_unit_test_prestate_setup_teardown(test_case_mesh_random_port_bindings_02, NULL, NULL,
+ (void *)&test_mesh_random_port_bindings_02_state),
+ cmocka_unit_test_prestate_setup_teardown(test_case_mesh_random_port_bindings_03, NULL, NULL,
+ (void *)&test_mesh_random_port_bindings_03_state)
+ };
+
+ total_tests += sizeof(blackbox_random_port_bindings_tests) / sizeof(blackbox_random_port_bindings_tests[0]);
+
+ return cmocka_run_group_tests(blackbox_random_port_bindings_tests, NULL, NULL);
+}
projects / meshlink / blobdiff