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 }
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; }