411 lines
17 KiB
C
411 lines
17 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "../lib/platform_compat.h"
|
|
#include "test_utils.h"
|
|
#include "test_net.h"
|
|
#ifdef _WIN32
|
|
#include <windows.h>
|
|
#include <direct.h>
|
|
#else
|
|
#include <unistd.h>
|
|
#endif
|
|
#include <time.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include "etcp.h"
|
|
#include "etcp_connections.h"
|
|
#include "../src/config_parser.h"
|
|
#include "../src/utun_instance.h"
|
|
#include "routing.h"
|
|
#include "../src/tun_if.h"
|
|
#include "secure_channel.h"
|
|
#include "../lib/u_async.h"
|
|
#include "../lib/debug_config.h"
|
|
|
|
#define TEST_TIMEOUT_TB 50000 // 5s in uasync timebase (0.1ms units)
|
|
|
|
static struct UTUN_INSTANCE* server_instance = NULL;
|
|
static struct UTUN_INSTANCE* client_instance = NULL;
|
|
static struct UASYNC* ua = NULL;
|
|
static int test_completed = 0; // 0 = running, 1 = success, 2 = timeout/failure
|
|
static void* monitor_timeout_id = NULL;
|
|
static void* test_timeout_id = NULL;
|
|
static uint16_t expected_client_port = 0; // Expected NAT port (client's local port)
|
|
|
|
// Temp config file paths
|
|
static char temp_dir[] = "/tmp/utun_test_XXXXXX";
|
|
static char server_config_path[256];
|
|
static char client_config_path[256];
|
|
|
|
// Server config content
|
|
static const char* server_config_content =
|
|
"[global]\n"
|
|
"my_node_id=0x1111111111111111\n"
|
|
"my_private_key=38240cb82199e504686507f11f6eaa4f740fde6f0c425c495e49a523019a5d68\n"
|
|
"my_public_key=ce8871f07fa056c636d297115f231b08c29cdf94e0d440fce83a07c34416d36a\n"
|
|
"tun_ip=10.99.0.1/24\n"
|
|
"tun_ifname=tun99\n"
|
|
"\n"
|
|
"[server: test]\n"
|
|
"addr=127.0.0.1:0\n"
|
|
"type=public\n"
|
|
"\n"
|
|
"[allowed_keys]\n"
|
|
"allow_all=1\n";
|
|
|
|
// Client config content
|
|
static const char* client_config_content =
|
|
"[global]\n"
|
|
"my_node_id=0x2222222222222222\n"
|
|
"my_private_key=704f2e012c8fa8768130cb0f988a997dccb628372bc5ceccacc78dcbfec5916f\n"
|
|
"my_public_key=b3193173def895bd0fcea6f86af077c7d77216f10395275f627ac18242ec0f01\n"
|
|
"tun_ip=10.99.0.2/24\n"
|
|
"tun_ifname=tun98\n"
|
|
"\n"
|
|
"[server: test]\n"
|
|
"addr=127.0.0.1:0\n"
|
|
"type=public\n"
|
|
"\n"
|
|
"[client: test_client]\n"
|
|
"keepalive=1\n"
|
|
"peer_public_key=ce8871f07fa056c636d297115f231b08c29cdf94e0d440fce83a07c34416d36a\n"
|
|
"link=test:127.0.0.1:0\n";
|
|
|
|
// Create temp config files
|
|
static int create_temp_configs(void) {
|
|
if (test_mkdtemp(temp_dir) != 0) {
|
|
fprintf(stderr, "Failed to create temp directory\n");
|
|
return -1;
|
|
}
|
|
|
|
snprintf(server_config_path, sizeof(server_config_path), "%s/server.conf", temp_dir);
|
|
snprintf(client_config_path, sizeof(client_config_path), "%s/client.conf", temp_dir);
|
|
|
|
FILE* f = fopen(server_config_path, "w");
|
|
if (!f) {
|
|
fprintf(stderr, "Failed to create server config file\n");
|
|
return -1;
|
|
}
|
|
fprintf(f, "%s", server_config_content);
|
|
fclose(f);
|
|
|
|
f = fopen(client_config_path, "w");
|
|
if (!f) {
|
|
fprintf(stderr, "Failed to create client config file\n");
|
|
test_unlink(server_config_path);
|
|
return -1;
|
|
}
|
|
fprintf(f, "%s", client_config_content);
|
|
fclose(f);
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Cleanup temp config files
|
|
static void cleanup_temp_configs(void) {
|
|
if (server_config_path[0]) test_unlink(server_config_path);
|
|
if (client_config_path[0]) test_unlink(client_config_path);
|
|
if (temp_dir[0]) test_rmdir(temp_dir);
|
|
}
|
|
|
|
static void monitor_connections(void* arg) {
|
|
(void)arg;
|
|
|
|
if (test_completed) {
|
|
// НЕ перезапускать таймер если тест завершен
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[MONITOR] Test completed, stopping monitor timer\n");
|
|
monitor_timeout_id = NULL;
|
|
return;
|
|
}
|
|
|
|
// Быстрый выход если уже есть подключение
|
|
int server_links = 0;
|
|
int client_links = 0;
|
|
int client_initialized = 0;
|
|
|
|
// Check server
|
|
if (server_instance) {
|
|
struct ll_entry* entry = server_instance->connections->head;
|
|
while (entry) {
|
|
struct conn_queue_entry* ce = (struct conn_queue_entry*)entry->data;
|
|
struct ETCP_CONN* conn = ce->conn;
|
|
struct ETCP_LINK* link = conn->links;
|
|
while (link) {
|
|
server_links++;
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[SERVER] Link: peer=%llx initialized=%d type=%s\n",
|
|
(unsigned long long)conn->peer_node_id,
|
|
link->initialized,
|
|
link->is_server ? "server" : "client");
|
|
link = link->next;
|
|
}
|
|
entry = entry->next;
|
|
}
|
|
}
|
|
|
|
// Check client
|
|
if (client_instance) {
|
|
struct ll_entry* entry = client_instance->connections->head;
|
|
while (entry) {
|
|
struct conn_queue_entry* ce = (struct conn_queue_entry*)entry->data;
|
|
struct ETCP_CONN* conn = ce->conn;
|
|
struct ETCP_LINK* link = conn->links;
|
|
while (link) {
|
|
client_links++;
|
|
if (link->is_server == 0) { // client link
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[CLIENT] Link: peer=%llx initialized=%d timer=%s retry=%d\n",
|
|
(unsigned long long)conn->peer_node_id,
|
|
link->initialized,
|
|
link->init_timer ? "active" : "null",
|
|
link->init_retry_count);
|
|
if (link->initialized) {
|
|
client_initialized = 1;
|
|
|
|
const struct sockaddr_in *observed = (const struct sockaddr_in *)&link->local_as_seen_by_peer;
|
|
// Наблюдение относится к нашему исходящему endpoint.
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[CLIENT] Checking NAT fields...");
|
|
if (link->local_as_seen_by_peer.ss_family != AF_INET || observed->sin_addr.s_addr == 0) {
|
|
DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "[CLIENT] FAIL: nat_ip is 0 (should be set)");
|
|
test_completed = 2; // Failure
|
|
return;
|
|
}
|
|
if (ntohs(observed->sin_port) == 0) {
|
|
DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "[CLIENT] FAIL: nat_port is 0 (should be set)");
|
|
test_completed = 2; // Failure
|
|
return;
|
|
}
|
|
|
|
// Convert nat_ip to string for display
|
|
char nat_ip_str[INET_ADDRSTRLEN];
|
|
struct in_addr nat_addr;
|
|
nat_addr.s_addr = observed->sin_addr.s_addr; // уже в network byte order
|
|
inet_ntop(AF_INET, &nat_addr, nat_ip_str, sizeof(nat_ip_str));
|
|
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[CLIENT] PASS: NAT address is set: %s:%u",
|
|
nat_ip_str, ntohs(observed->sin_port));
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[CLIENT] PASS: nat_changes_count=%u, nat_hits_count=%u",
|
|
link->nat_changes_count, link->nat_hits_count);
|
|
|
|
// Verify NAT IP is 127.0.0.1 (localhost) since client connects from localhost
|
|
if (observed->sin_addr.s_addr != htonl(0x7f000001)) {
|
|
DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "[CLIENT] FAIL: Observed IP is not 127.0.0.1 (got 0x%08X)",
|
|
observed->sin_addr.s_addr);
|
|
test_completed = 2; // Failure
|
|
return;
|
|
}
|
|
|
|
// Verify NAT port matches client's local port exactly (no NAT in test)
|
|
if (expected_client_port != 0 && ntohs(observed->sin_port) != expected_client_port) {
|
|
DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "[CLIENT] FAIL: NAT port %u does not match expected port %u",
|
|
ntohs(observed->sin_port), expected_client_port);
|
|
test_completed = 2; // Failure
|
|
return;
|
|
}
|
|
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[CLIENT] PASS: NAT IP and port match exactly (127.0.0.1:%u)",
|
|
ntohs(observed->sin_port));
|
|
}
|
|
}
|
|
link = link->next;
|
|
}
|
|
entry = entry->next;
|
|
}
|
|
}
|
|
|
|
// Check if connection established
|
|
if (client_initialized) {
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "\n=== SUCCESS: Client connection established! ===\n");
|
|
test_completed = 1; // Success
|
|
// Отменить таймаут теста для быстрого завершения
|
|
if (test_timeout_id) {
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[TEST] Cancelling test timeout for immediate exit\n");
|
|
uasync_cancel_timeout(ua, test_timeout_id);
|
|
test_timeout_id = NULL;
|
|
}
|
|
return;
|
|
}
|
|
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[MONITOR] Server links: %d, Client links: %d, Status: %s\n",
|
|
server_links, client_links,
|
|
client_initialized ? "CONNECTED" : "connecting...");
|
|
|
|
// Schedule next check (cancel previous first to avoid stale timers)
|
|
if (!test_completed) {
|
|
if (monitor_timeout_id) {
|
|
uasync_cancel_timeout(ua, monitor_timeout_id);
|
|
monitor_timeout_id = NULL;
|
|
}
|
|
monitor_timeout_id = uasync_set_timeout(ua, 200, NULL, monitor_connections, "test_monitor");
|
|
}
|
|
}
|
|
|
|
static void test_timeout(void* arg) {
|
|
(void)arg;
|
|
if (!test_completed) {
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "\n=== TIMEOUT: Connection not established in %d seconds ===\n", TEST_TIMEOUT_TB/10000);
|
|
test_completed = 2; // Timeout/failure
|
|
// Cancel the monitoring timeout since we're done
|
|
if (monitor_timeout_id) {
|
|
uasync_cancel_timeout(ua, monitor_timeout_id);
|
|
monitor_timeout_id = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
int main() {
|
|
// Create temp config files first
|
|
if (create_temp_configs() != 0) {
|
|
fprintf(stderr, "Failed to create temporary config files\n");
|
|
return 1;
|
|
}
|
|
|
|
debug_config_init();
|
|
debug_set_level(DEBUG_LEVEL_INFO);
|
|
debug_set_categories(DEBUG_CATEGORY_ALL);
|
|
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "=== ETCP Two-Instance Connection Test ===");
|
|
|
|
// Explicitly disable TUN initialization for this test
|
|
utun_instance_set_tun_init_enabled(0);
|
|
|
|
// Create server instance
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "Creating server instance...");
|
|
ua = uasync_create();
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "Creating server instance ok...");
|
|
|
|
server_instance = utun_instance_create(ua, server_config_path);
|
|
if (!server_instance) {
|
|
DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "Failed to create server instance");
|
|
return 1;
|
|
}
|
|
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "UTUN instance ok...");
|
|
|
|
// Initialize instance (TUN is initialized in utun_instance_create if enabled)
|
|
if (utun_instance_init(server_instance) < 0) {
|
|
DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "Failed to initialize server instance");
|
|
utun_instance_destroy(server_instance);
|
|
return 1;
|
|
}
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "Server instance ready (node_id=%llx)", (unsigned long long)server_instance->node_id);
|
|
|
|
// Create client instance
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "Creating client instance...");
|
|
client_instance = utun_instance_create(ua, client_config_path);
|
|
if (!client_instance) {
|
|
DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "Failed to create client instance");
|
|
utun_instance_destroy(server_instance);
|
|
return 1;
|
|
}
|
|
|
|
// Initialize instance (TUN is initialized in utun_instance_create if enabled)
|
|
test_etcp_set_peer(client_instance, "test_client", server_instance, "test");
|
|
if (utun_instance_init(client_instance) < 0) {
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "Failed to initialize client instance\n");
|
|
utun_instance_destroy(server_instance);
|
|
utun_instance_destroy(client_instance);
|
|
return 1;
|
|
}
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "Client instance ready (node_id=%llx)\n\n", (unsigned long long)client_instance->node_id);
|
|
|
|
// Get client's local port from the socket (for NAT port validation)
|
|
if (client_instance->etcp_sockets) {
|
|
struct sockaddr_storage local_addr;
|
|
socklen_t addr_len = sizeof(local_addr);
|
|
if (getsockname(client_instance->etcp_sockets->fd, (struct sockaddr*)&local_addr, &addr_len) == 0) {
|
|
if (local_addr.ss_family == AF_INET) {
|
|
expected_client_port = ntohs(((struct sockaddr_in*)&local_addr)->sin_port);
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[TEST] Client socket bound to port %u (expected NAT port)", expected_client_port);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Start monitoring
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "Starting connection monitoring...\n");
|
|
monitor_timeout_id = uasync_set_timeout(ua, 100, NULL, monitor_connections, "test_monitor");
|
|
test_timeout_id = uasync_set_timeout(ua, TEST_TIMEOUT_TB, NULL, test_timeout, "test_timeout");
|
|
|
|
// Main event loop
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "Running event loop...\n\n");
|
|
|
|
// Give server time to fully initialize before client starts sending
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "Waiting 0.5 seconds for server initialization...\n");
|
|
for (int i = 0; i < 50; i++) { // Reduced from 200 to 50 iterations (0.5 seconds)
|
|
if (ua) uasync_poll(ua, 10);
|
|
}
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "Starting connection attempts...\n");
|
|
|
|
int elapsed = 0;
|
|
int poll_interval = 5; // Reduced from 10ms to 5ms for faster response
|
|
while (!test_completed && elapsed < TEST_TIMEOUT_TB + 5000) {
|
|
if (ua) uasync_poll(ua, poll_interval);
|
|
|
|
elapsed += poll_interval;
|
|
|
|
// Быстрый выход если подключение установлено
|
|
if (test_completed == 1) {
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[TEST] Connection established, exiting early after %d ms\n", elapsed);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Cleanup (always reached)
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "\nCleaning up...\n");
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[CLEANUP] ua=%p, test_completed=%d\n", ua, test_completed);
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[CLEANUP] server_instance=%p, client_instance=%p\n", server_instance, client_instance);
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[CLEANUP] monitor_timeout_id=%p, test_timeout_id=%p\n", monitor_timeout_id, test_timeout_id);
|
|
|
|
// Cancel timers first while uasync is alive
|
|
if (monitor_timeout_id && ua) {
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[CLEANUP] Canceling monitor timeout\n");
|
|
uasync_cancel_timeout(ua, monitor_timeout_id);
|
|
monitor_timeout_id = NULL;
|
|
}
|
|
if (test_timeout_id && ua) {
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[CLEANUP] Canceling test timeout\n");
|
|
uasync_cancel_timeout(ua, test_timeout_id);
|
|
test_timeout_id = NULL;
|
|
}
|
|
|
|
if (ua) {
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[CLEANUP] Shared uasync resources before destroy (skipping detailed print to avoid crash)\n");
|
|
// uasync_print_resources(ua, "SHARED"); // disabled to prevent potential null deref with TUN disabled
|
|
}
|
|
|
|
// Stop and destroy instances
|
|
if (server_instance) {
|
|
server_instance->running = 0;
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[CLEANUP] Destroying server instance %p\n", server_instance);
|
|
utun_instance_destroy(server_instance);
|
|
server_instance = NULL;
|
|
}
|
|
if (client_instance) {
|
|
client_instance->running = 0;
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[CLEANUP] Destroying client instance %p\n", client_instance);
|
|
utun_instance_destroy(client_instance);
|
|
client_instance = NULL;
|
|
}
|
|
|
|
if (ua) {
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[CLEANUP] Destroying shared uasync\n");
|
|
uasync_destroy(ua, 0);
|
|
ua = NULL;
|
|
}
|
|
|
|
// Print final status
|
|
if (test_completed == 1) {
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "\n=== TEST PASSED ===\n");
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "✅ ETCP connection test successful with TUN disabled\n");
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "✅ Core ETCP protocol functionality verified\n");
|
|
} else if (test_completed == 2) {
|
|
DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "\n=== TEST FAILED: connection timeout ===\n");
|
|
} else {
|
|
DEBUG_INFO(DEBUG_CATEGORY_ETCP, "\n=== TEST FAILED: Unknown error ===\n");
|
|
}
|
|
|
|
// Cleanup temp config files
|
|
cleanup_temp_configs();
|
|
|
|
return (test_completed == 1) ? 0 : 1;
|
|
}
|