Fix: use control_ip from config instead of hardcoded localhost

src/config_parser.c

@@ -293,15 +293,19 @@ static int parse_global(const char *key, const char *value, struct global_config
         return 0;
     }
     if (strcmp(key, "control_ip") == 0) {
-        // Store for later processing with control_port
-        return 0; // We'll handle this when we see control_port
+        // Store control_ip for later processing with control_port
+        strncpy(global->control_ip, value, sizeof(global->control_ip) - 1);
+        global->control_ip[sizeof(global->control_ip) - 1] = '\0';
+        return 0;
     }
     if (strcmp(key, "control_port") == 0) {
-        // This is tricky - we need to get control_ip from previous parsing
-        // For now, we'll use a simple approach
-        struct global_config temp_global = *global;
-        // Assume we stored control_ip somewhere or use default
-        char control_ip[MAX_ADDR_LEN] = "127.0.0.1"; // Default
+        // Use control_ip from config, fallback to localhost if not set
+        char control_ip[MAX_ADDR_LEN];
+        if (global->control_ip[0] != '\0') {
+            strncpy(control_ip, global->control_ip, sizeof(control_ip) - 1);
+        } else {
+            strcpy(control_ip, "127.0.0.1");
+        }
         char port_str[16];
         snprintf(port_str, sizeof(port_str), "%s", value);
         parse_sockaddr(control_ip, port_str, &global->control_sock);

src/config_parser.h

@@ -66,6 +66,7 @@ struct global_config {
     struct IP tun_ip;
     int mtu;
     struct sockaddr_storage control_sock;
+    char control_ip[MAX_ADDR_LEN];  // Control server IP address
     int net_debug;
     
     // Debug and logging configuration