void clean_exit(int errcode)
{
DEBUG_MSG("clean_exit: %d", errcode);
INSTANT_USER_MSG("\nTerminating %s...\n", GBL_PROGRAM);
#ifdef HAVE_EC_LUA
/* Cleanup lua */
ec_lua_fini();
#endif
/* 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();
/* close the UI */
ui_cleanup();
/* call all the ATEXIT functions */
exit(errcode);
}
static int finger_submit_init(void *dummy)
{
char finger[FINGER_LEN + 1];
char os[OS_LEN + 1];
/* don't display messages while operating */
GBL_OPTIONS->quiet = 1;
memset(finger, 0, sizeof(finger));
memset(os, 0, sizeof(finger));
/* get the user input */
ui_input("Fingerprint ('quit' to exit) : ", finger, sizeof(finger), NULL);
/* exit on user request */
if (!strcasecmp(finger, "quit") || !strcmp(finger, ""))
return PLUGIN_FINISHED;
ui_input("Operating System ('quit' to exit) : ", os, sizeof(os), NULL);
/* exit on user request */
if (!strcasecmp(os, "quit") || !strcmp(os, ""))
return PLUGIN_FINISHED;
USER_MSG("\n");
/* send the fingerprint */
fingerprint_submit(finger, os);
/* flush all the messages */
ui_msg_flush(MSG_ALL);
return PLUGIN_FINISHED;
}
void daemon_interface(void)
{
DEBUG_MSG("daemon_interface");
/* check if the plugin exists */
if (GBL_OPTIONS->plugin && search_plugin(GBL_OPTIONS->plugin) != ESUCCESS)
FATAL_ERROR("%s plugin can not be found !", GBL_OPTIONS->plugin);
/* build the list of active hosts */
build_hosts_list();
/* start the mitm attack */
mitm_start();
/* initialize the sniffing method */
EXECUTE(GBL_SNIFF->start);
/* if we have to activate a plugin */
if (GBL_OPTIONS->plugin && plugin_init(GBL_OPTIONS->plugin) != PLUGIN_RUNNING)
/* end the interface */
return;
/* discard the messages */
LOOP {
CANCELLATION_POINT();
sleep(1);
ui_msg_flush(MSG_ALL);
}
/* NOT REACHED */
}
/* flush pending messages */
gboolean gtkui_flush_msg(gpointer data)
{
/* variable not used */
(void) data;
ui_msg_flush(MSG_ALL);
return(TRUE);
}
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();
/* 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) {
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();
}
/*
* 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");
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
}
/*
* this function is called on idle loop in wdg
*/
void curses_flush_msg(void)
{
ui_msg_flush(MSG_ALL);
}
/* flush pending messages */
gboolean gtkui_flush_msg(gpointer data)
{
ui_msg_flush(MSG_ALL);
return(TRUE);
}
