Esempio n. 1
0
int main(int argc, char *argv[])
{
   /*
    * Alloc the global structures
    * We can access these structs via the macro in ec_globals.h
    */
        
   globals_alloc();
  
   GBL_PROGRAM = strdup(EC_PROGRAM);
   GBL_VERSION = strdup(EC_VERSION);
   SAFE_CALLOC(GBL_DEBUG_FILE, strlen(EC_PROGRAM) + strlen("-") + strlen(EC_VERSION) + strlen("_debug.log") + 1, sizeof(char));
   sprintf(GBL_DEBUG_FILE, "%s-%s_debug.log", GBL_PROGRAM, EC_VERSION);
   
   DEBUG_INIT();
   DEBUG_MSG("main -- here we go !!");

   /* initialize the filter mutex */
   filter_init_mutex();
   
   /* register the main thread as "init" */
   ec_thread_register(EC_PTHREAD_SELF, "init", "initialization phase");
   
   /* activate the signal handler */
   signal_handler();
   
#ifdef OS_GNU
  fprintf(stdout,"%s is still not fully supported in this OS because of missing live capture support.", GBL_PROGRAM);
#endif
   /* ettercap copyright */
   fprintf(stdout, "\n" EC_COLOR_BOLD "%s %s" EC_COLOR_END " copyright %s %s\n\n", 
         GBL_PROGRAM, GBL_VERSION, EC_COPYRIGHT, EC_AUTHORS);
   
   /* getopt related parsing...  */
   parse_options(argc, argv);

   /* check the date */
   time_check();

   /* load the configuration file */
   load_conf();
  
   /* 
    * get the list of available interfaces 
    * 
    * this function will not return if the -I option was
    * specified on command line. it will instead print the
    * list and exit
    */
   capture_getifs();
   
   /* initialize the user interface */
   ui_init();
   
   /* initialize the network subsystem */
   network_init();
   
   /* 
    * always disable the kernel ip forwarding (except when reading from file).
    * the forwarding will be done by ettercap.
    */
   if(!GBL_OPTIONS->read && !GBL_OPTIONS->unoffensive && !GBL_OPTIONS->only_mitm) {
#ifdef WITH_IPV6
      /*
       * disable_ipv6_forward() registers the restore function with atexit() 
       * which relies on the regain_privs_atexit() registered in 
       * disable_ip_forward() below. 
       * So the call of disable_ipv6_forward() must NOT be after the call of 
       * disable_ip_forward().
       */
      disable_ipv6_forward();
#endif
      disable_ip_forward();
	
#ifdef OS_LINUX
      if (!GBL_OPTIONS->read)
      	disable_interface_offload();
#endif
      /* binds ports and set redirect for ssl wrapper */
      if(GBL_SNIFF->type == SM_UNIFIED && GBL_OPTIONS->ssl_mitm)
         ssl_wrap_init();

#if defined OS_LINUX && defined WITH_IPV6
      /* check if privacy extensions are enabled */
      check_tempaddr(GBL_OPTIONS->iface);
#endif
   }
   
   /* 
    * drop root privileges 
    * we have already opened the sockets with high privileges
    * we don't need anymore root privs.
    */
   drop_privs();

/***** !! NO PRIVS AFTER THIS POINT !! *****/

   /* load all the plugins */
   plugin_load_all();

   /* print how many dissectors were loaded */
   conf_dissectors();
   
   /* load the mac-fingerprints */
   manuf_init();

   /* load the tcp-fingerprints */
   fingerprint_init();
   
   /* load the services names */
   services_init();
   
   /* load http known fileds for user/pass */
   http_fields_init();

#ifdef HAVE_EC_LUA
   /* Initialize lua */
   ec_lua_init();
#endif

   /* set the encoding for the UTF-8 visualization */
   set_utf8_encoding((u_char*)GBL_CONF->utf8_encoding);
  
   /* print all the buffered messages */
   if (GBL_UI->type == UI_TEXT)
      USER_MSG("\n");
   
   ui_msg_flush(MSG_ALL);

/**** INITIALIZATION PHASE TERMINATED ****/
   
   /* 
    * we are interested only in the mitm attack i
    * if entered, this function will not return...
    */
   if (GBL_OPTIONS->only_mitm)
      only_mitm();
   
   /* create the dispatcher thread */
   ec_thread_new("top_half", "dispatching module", &top_half, NULL);

   /* this thread becomes the UI then displays it */
   ec_thread_register(EC_PTHREAD_SELF, GBL_PROGRAM, "the user interface");

   /* start unified sniffing for curses and GTK at startup */
   if ((GBL_UI->type == UI_CURSES || GBL_UI->type == UI_GTK) &&
         GBL_CONF->sniffing_at_startup)
      EXECUTE(GBL_SNIFF->start);

   /* start the actual user interface */
   ui_start();

/******************************************** 
 * reached only when the UI is shutted down 
 ********************************************/

   /* Call all the proper stop methods to ensure
    * that no matter what UI was selected, everything is 
    * turned off gracefully */
   clean_exit(0);

   return 0; //Never reaches here
}
Esempio n. 2
0
int main(int argc, char *argv[])
{
   /*
    * Alloc the global structures
    * We can access these structs via the macro in ec_globals.h
    */
        
   globals_alloc();
  
   GBL_PROGRAM = strdup(EC_PROGRAM);
   GBL_VERSION = strdup(EC_VERSION);
   SAFE_CALLOC(GBL_DEBUG_FILE, strlen(EC_PROGRAM) + strlen(EC_VERSION) + strlen("_debug.log") + 1, sizeof(char));
   sprintf(GBL_DEBUG_FILE, "%s%s_debug.log", GBL_PROGRAM, EC_VERSION);
   
   DEBUG_INIT();
   DEBUG_MSG("main -- here we go !!");

   /* initialize the filter mutex */
   filter_init_mutex();
   
   /* register the main thread as "init" */
   ec_thread_register(EC_PTHREAD_SELF, "init", "initialization phase");
   
   /* activate the signal handler */
   signal_handler();
   
   /* ettercap copyright */
   fprintf(stdout, "\n" EC_COLOR_BOLD "%s %s" EC_COLOR_END " copyright %s %s\n\n", 
         GBL_PROGRAM, GBL_VERSION, EC_COPYRIGHT, EC_AUTHORS);
   
   /* getopt related parsing...  */
   parse_options(argc, argv);

   /* check the date */
   time_check();

   /* load the configuration file */
   load_conf();
   
   /* 
    * get the list of available interfaces 
    * 
    * this function will not return if the -I option was
    * specified on command line. it will instead print the
    * list and exit
    */
   capture_getifs();
   
   /* initialize the user interface */
   ui_init();
   
   /* initialize libpcap */
   capture_init();

   /* initialize libnet (the function contain all the checks) */
   send_init();
 
   /* get hardware infos */
   get_hw_info();
 
   /* 
    * always disable the kernel ip forwarding (except when reading from file).
    * the forwarding will be done by ettercap.
    */
   if (!GBL_OPTIONS->read && !GBL_OPTIONS->unoffensive && !GBL_OPTIONS->only_mitm)
      disable_ip_forward();
      
   /* binds ports and set redirect for ssl wrapper */
   if (!GBL_OPTIONS->read && !GBL_OPTIONS->unoffensive && !GBL_OPTIONS->only_mitm && GBL_SNIFF->type == SM_UNIFIED)
      ssl_wrap_init();
   
   /* 
    * drop root privileges 
    * we have alread opened the sockets with high privileges
    * we don't need any more root privs.
    */
   drop_privs();

/***** !! NO PRIVS AFTER THIS POINT !! *****/

   /* load all the plugins */
   plugin_load_all();

   /* print how many dissectors were loaded */
   conf_dissectors();
   
   /* load the mac-fingerprints */
   manuf_init();

   /* load the tcp-fingerprints */
   fingerprint_init();
   
   /* load the services names */
   services_init();
   
   /* load http known fileds for user/pass */
   http_fields_init();

   /* set the encoding for the UTF-8 visualization */
   set_utf8_encoding(GBL_CONF->utf8_encoding);
  
   /* print all the buffered messages */
   if (GBL_UI->type == UI_TEXT)
      USER_MSG("\n");
   
   ui_msg_flush(MSG_ALL);

/**** INITIALIZATION PHASE TERMINATED ****/
   
   /* 
    * we are interested only in the mitm attack i
    * if entered, this function will not return...
    */
   if (GBL_OPTIONS->only_mitm)
      only_mitm();
   
   /* create the dispatcher thread */
   ec_thread_new("top_half", "dispatching module", &top_half, NULL);

   /* this thread becomes the UI then displays it */
   ec_thread_register(EC_PTHREAD_SELF, GBL_PROGRAM, "the user interface");
   ui_start();

/******************************************** 
 * reached only when the UI is shutted down 
 ********************************************/

   /* flush the exit message */
   ui_msg_flush(MSG_ALL);
   
   /* stop the mitm attack */
   mitm_stop();

   /* terminate the sniffing engine */
   EXECUTE(GBL_SNIFF->cleanup);
   
   /* kill all the running threads but the current */
   ec_thread_kill_all();
  
   /* clean up the UI */
   ui_cleanup();

   return 0;
}