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/*
* This file is part of the PCEPlib, a PCEP protocol library.
*
* Copyright (C) 2020 Volta Networks https://voltanet.io/
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* Author : Brady Johnson <brady@voltanet.io>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <netinet/in.h>
#include <CUnit/CUnit.h>
#include "pcep_socket_comm.h"
#include "pcep_socket_comm_internals.h"
#include "pcep_socket_comm_test.h"
extern pcep_socket_comm_handle *socket_comm_handle_;
static pcep_socket_comm_session *test_session = NULL;
static struct in_addr test_host_ip;
static struct in_addr test_src_ip;
static struct in6_addr test_host_ipv6;
static struct in6_addr test_src_ipv6;
static short test_port = 4789;
static short test_src_port = 4999;
static uint32_t connect_timeout_millis = 500;
/*
* Unit Test Basic pcep_socket_comm API usage.
* Testing sending messages, etc via sockets should be done
* with integration tests, not unit tests.
*/
/*
* Different socket_comm handler test implementations
*/
static void test_message_received_handler(void *session_data,
const char *message_data,
unsigned int message_length)
{
(void)session_data;
(void)message_data;
(void)message_length;
}
static int test_message_ready_to_read_handler(void *session_data, int socket_fd)
{
(void)session_data;
(void)socket_fd;
return 1;
}
static void test_message_sent_handler(void *session_data, int socket_fd)
{
(void)session_data;
(void)socket_fd;
return;
}
static void test_connection_except_notifier(void *session_data, int socket_fd)
{
(void)session_data;
(void)socket_fd;
}
/*
* Test case setup and teardown called before AND after each test.
*/
void pcep_socket_comm_test_setup()
{
inet_pton(AF_INET, "127.0.0.1", &(test_host_ip));
inet_pton(AF_INET, "127.0.0.1", &(test_src_ip));
inet_pton(AF_INET6, "::1", &(test_host_ipv6));
inet_pton(AF_INET6, "::1", &(test_src_ipv6));
}
void pcep_socket_comm_test_teardown()
{
socket_comm_session_teardown(test_session);
test_session = NULL;
}
/*
* Test cases
*/
void test_pcep_socket_comm_initialize()
{
test_session = socket_comm_session_initialize(
test_message_received_handler, NULL, NULL,
test_connection_except_notifier, &test_host_ip, test_port,
connect_timeout_millis, NULL, false, NULL);
CU_ASSERT_PTR_NOT_NULL(test_session);
assert(test_session != NULL);
CU_ASSERT_FALSE(test_session->is_ipv6);
}
void test_pcep_socket_comm_initialize_ipv6()
{
test_session = socket_comm_session_initialize_ipv6(
test_message_received_handler, NULL, NULL,
test_connection_except_notifier, &test_host_ipv6, test_port,
connect_timeout_millis, NULL, false, NULL);
CU_ASSERT_PTR_NOT_NULL(test_session);
assert(test_session != NULL);
CU_ASSERT_TRUE(test_session->is_ipv6);
}
void test_pcep_socket_comm_initialize_with_src()
{
/* Test that INADDR_ANY will be used when src_ip is NULL */
test_session = socket_comm_session_initialize_with_src(
test_message_received_handler, NULL, NULL,
test_connection_except_notifier, NULL, 0, &test_host_ip,
test_port, connect_timeout_millis, NULL, false, NULL);
CU_ASSERT_PTR_NOT_NULL(test_session);
assert(test_session != NULL);
CU_ASSERT_EQUAL(
test_session->src_sock_addr.src_sock_addr_ipv4.sin_addr.s_addr,
INADDR_ANY);
CU_ASSERT_FALSE(test_session->is_ipv6);
socket_comm_session_teardown(test_session);
test_session = socket_comm_session_initialize_with_src(
test_message_received_handler, NULL, NULL,
test_connection_except_notifier, &test_src_ip, test_src_port,
&test_host_ip, test_port, connect_timeout_millis, NULL, false,
NULL);
CU_ASSERT_PTR_NOT_NULL(test_session);
assert(test_session != NULL);
CU_ASSERT_EQUAL(
test_session->src_sock_addr.src_sock_addr_ipv4.sin_addr.s_addr,
test_src_ip.s_addr);
CU_ASSERT_EQUAL(test_session->src_sock_addr.src_sock_addr_ipv4.sin_port,
ntohs(test_src_port));
CU_ASSERT_FALSE(test_session->is_ipv6);
}
void test_pcep_socket_comm_initialize_with_src_ipv6()
{
/* Test that INADDR6_ANY will be used when src_ip is NULL */
test_session = socket_comm_session_initialize_with_src_ipv6(
test_message_received_handler, NULL, NULL,
test_connection_except_notifier, NULL, 0, &test_host_ipv6,
test_port, connect_timeout_millis, NULL, false, NULL);
CU_ASSERT_PTR_NOT_NULL(test_session);
assert(test_session != NULL);
CU_ASSERT_EQUAL(memcmp(&test_session->src_sock_addr.src_sock_addr_ipv6
.sin6_addr,
&in6addr_any, sizeof(struct in6_addr)),
0);
CU_ASSERT_TRUE(test_session->is_ipv6);
socket_comm_session_teardown(test_session);
test_session = socket_comm_session_initialize_with_src_ipv6(
test_message_received_handler, NULL, NULL,
test_connection_except_notifier, &test_src_ipv6, test_src_port,
&test_host_ipv6, test_port, connect_timeout_millis, NULL, false,
NULL);
CU_ASSERT_PTR_NOT_NULL(test_session);
assert(test_session != NULL);
CU_ASSERT_EQUAL(memcmp(&test_session->src_sock_addr.src_sock_addr_ipv6
.sin6_addr,
&test_src_ipv6, sizeof(struct in6_addr)),
0);
CU_ASSERT_EQUAL(
test_session->src_sock_addr.src_sock_addr_ipv6.sin6_port,
ntohs(test_src_port));
CU_ASSERT_TRUE(test_session->is_ipv6);
}
void test_pcep_socket_comm_initialize_tcpmd5()
{
char tcp_md5_str[] = "hello";
int tcp_md5_strlen = strlen(tcp_md5_str);
test_session = socket_comm_session_initialize(
test_message_received_handler, NULL, NULL,
test_connection_except_notifier, &test_host_ip, test_port, 1,
tcp_md5_str, true, NULL);
CU_ASSERT_PTR_NOT_NULL(test_session);
assert(test_session != NULL);
CU_ASSERT_EQUAL(0, strncmp(tcp_md5_str,
test_session->tcp_authentication_str,
tcp_md5_strlen));
CU_ASSERT_TRUE(test_session->is_tcp_auth_md5);
CU_ASSERT_FALSE(socket_comm_session_connect_tcp(test_session));
/* This call does not work, it returns errno=92, Protocol not available
getsockopt(test_session->socket_fd, SOL_SOCKET, TCP_MD5SIG, &sig,
&siglen);*/
socket_comm_session_teardown(test_session);
test_session = socket_comm_session_initialize(
test_message_received_handler, NULL, NULL,
test_connection_except_notifier, &test_host_ip, test_port, 1,
tcp_md5_str, false, NULL);
CU_ASSERT_PTR_NOT_NULL(test_session);
assert(test_session != NULL);
CU_ASSERT_EQUAL(0, strncmp(tcp_md5_str,
test_session->tcp_authentication_str,
tcp_md5_strlen));
CU_ASSERT_FALSE(test_session->is_tcp_auth_md5);
CU_ASSERT_FALSE(socket_comm_session_connect_tcp(test_session));
}
void test_pcep_socket_comm_initialize_ipv6_tcpmd5()
{
char tcp_md5_str[] = "hello";
int tcp_md5_strlen = strlen(tcp_md5_str);
test_session = socket_comm_session_initialize_ipv6(
test_message_received_handler, NULL, NULL,
test_connection_except_notifier, &test_host_ipv6, test_port, 1,
tcp_md5_str, true, NULL);
CU_ASSERT_PTR_NOT_NULL(test_session);
assert(test_session != NULL);
CU_ASSERT_EQUAL(0, strncmp(tcp_md5_str,
test_session->tcp_authentication_str,
tcp_md5_strlen));
CU_ASSERT_TRUE(test_session->is_tcp_auth_md5);
CU_ASSERT_FALSE(socket_comm_session_connect_tcp(test_session));
/* This call does not work, it returns errno=92, Protocol not available
getsockopt(test_session->socket_fd, SOL_SOCKET, TCP_MD5SIG, &sig,
&siglen);*/
socket_comm_session_teardown(test_session);
test_session = socket_comm_session_initialize_ipv6(
test_message_received_handler, NULL, NULL,
test_connection_except_notifier, &test_host_ipv6, test_port, 1,
tcp_md5_str, false, NULL);
CU_ASSERT_PTR_NOT_NULL(test_session);
assert(test_session != NULL);
CU_ASSERT_EQUAL(0, strncmp(tcp_md5_str,
test_session->tcp_authentication_str,
tcp_md5_strlen));
CU_ASSERT_FALSE(test_session->is_tcp_auth_md5);
CU_ASSERT_FALSE(socket_comm_session_connect_tcp(test_session));
}
void test_pcep_socket_comm_initialize_handlers()
{
/* Verify incorrect handler usage is correctly handled */
/* Both receive handlers cannot be NULL */
test_session = socket_comm_session_initialize(
NULL, NULL, NULL, test_connection_except_notifier,
&test_host_ip, test_port, connect_timeout_millis, NULL, false,
NULL);
CU_ASSERT_PTR_NULL(test_session);
/* Both receive handlers cannot be set */
test_session = socket_comm_session_initialize(
test_message_received_handler,
test_message_ready_to_read_handler, test_message_sent_handler,
test_connection_except_notifier, &test_host_ip, test_port,
connect_timeout_millis, NULL, false, NULL);
CU_ASSERT_PTR_NULL(test_session);
/* Only one receive handler can be set */
test_session = socket_comm_session_initialize(
NULL, test_message_ready_to_read_handler,
test_message_sent_handler, test_connection_except_notifier,
&test_host_ip, test_port, connect_timeout_millis, NULL, false,
NULL);
CU_ASSERT_PTR_NOT_NULL(test_session);
}
void test_pcep_socket_comm_session_not_initialized()
{
CU_ASSERT_FALSE(socket_comm_session_connect_tcp(NULL));
CU_ASSERT_FALSE(socket_comm_session_close_tcp(NULL));
CU_ASSERT_FALSE(socket_comm_session_close_tcp_after_write(NULL));
socket_comm_session_send_message(NULL, NULL, 0, true);
CU_ASSERT_FALSE(socket_comm_session_teardown(NULL));
}
void test_pcep_socket_comm_session_destroy()
{
test_session = socket_comm_session_initialize(
test_message_received_handler, NULL, test_message_sent_handler,
test_connection_except_notifier, &test_host_ip, test_port,
connect_timeout_millis, NULL, false, NULL);
CU_ASSERT_PTR_NOT_NULL(test_session);
assert(test_session != NULL);
CU_ASSERT_PTR_NOT_NULL(socket_comm_handle_);
assert(socket_comm_handle_ != NULL);
CU_ASSERT_EQUAL(socket_comm_handle_->num_active_sessions, 1);
CU_ASSERT_TRUE(socket_comm_session_teardown(test_session));
test_session = NULL;
CU_ASSERT_PTR_NOT_NULL(socket_comm_handle_);
CU_ASSERT_TRUE(destroy_socket_comm_loop());
CU_ASSERT_PTR_NULL(socket_comm_handle_);
}
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