void key_handler( _SaganConfig *config )
{
while(1) {
int key;
key=getchar();
if ( key != 0 ) {
sagan_statistics(config);
}
}
}
void key_handler( void )
{
while(1) {
int key;
key=getchar();
if ( key != 0 ) {
sagan_statistics();
}
}
}
void sig_handler( _SaganSigArgs *args ) {
sigset_t signal_set;
int sig;
for(;;) {
/* wait for any and all signals */
sigfillset( &signal_set );
sigwait( &signal_set, &sig );
switch( sig )
{
/* exit */
case SIGQUIT:
case SIGINT:
case SIGTERM:
case SIGSEGV:
case SIGABRT:
sagan_log(args->config, 0, "\n\n[Received signal %d. Sagan version %s shutting down]-------\n", sig, VERSION);
sagan_statistics(args->config);
#if defined(HAVE_LIBMYSQLCLIENT_R) || defined(HAVE_LIBPQ)
/* last_cid != cid (has there been any alerts? */
if ( args->config->dbtype != 0 && counters->last_cid != counters-> cid ) record_last_cid(args->debug, args->config, counters);
#endif
#ifdef HAVE_LIBPRELUDE
/* This comment is from the Snort source code. "Sensor reporting to Prelude
shall never go offline, which is why we use the
PRELUDE_CLIENT_EXIT_STATUS_FAILURE. */
if ( sagan_prelude_flag != 0 ) {
prelude_client_destroy(preludeclient, PRELUDE_CLIENT_EXIT_STATUS_FAILURE);
prelude_deinit();
}
#endif
#ifdef HAVE_LIBDNET
if ( sagan_unified2_flag ) Unified2CleanExit(args->config);
#endif
fflush(args->config->sagan_alert_stream);
fclose(args->config->sagan_alert_stream); /* Close Sagan alert file */
fflush(args->config->sagan_log_stream); /* Close the sagan.log */
fclose(args->config->sagan_log_stream);
removelockfile(args->config);
exit(0);
break;
case SIGHUP:
pthread_mutex_lock(&sig_mutex);
sagan_log(args->config, 0, "[Reloading Sagan version %s.]-------", VERSION);
/* Reset counters */
counters->refcount=0; counters->classcount=0; counters->rulecount=0; counters->ruletotal=0;
/* Re-load everything */
load_config(args->debug, args->config);
pthread_mutex_unlock(&sig_mutex);
sagan_log(args->config, 0, "Configuration reloaded.");
break;
/* Signals to ignore */
case 17: /* Child process has exited. */
case 28: /* Terminal 'resize'/alarm. */
break;
case SIGUSR1:
sagan_statistics(args->config);
break;
default:
sagan_log(args->config, 0, "[Received signal %d. Sagan doesn't know how to deal with]", sig);
}
}
}
