void idle_init(struct fmt_main *format)
{
#if defined(_POSIX_PRIORITY_SCHEDULING) && defined(SCHED_IDLE)
struct sched_param param = {0};
#endif
if (!idle_requested(format) || (options.flags & FLG_STDOUT))
return;
clk_tck_init();
#if defined(__MINGW32__) || defined (_MSC_VER)
SetPriorityClass(GetCurrentProcess(), IDLE_PRIORITY_CLASS);
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE);
#elif defined(__BEOS__)
set_thread_priority(getpid(), 1);
#else
/*
* Normally, the range is -20 to 19, but some systems can do 20 as well (at
* least some versions of Linux on Alpha), so we try 20. We assume that we're
* started with a non-negative nice value (so no need to increment it by more
* than 20).
*/
if (nice(20) == -1)
perror("nice");
#endif
#if defined(_POSIX_PRIORITY_SCHEDULING) && defined(SCHED_IDLE)
use_yield = sched_setscheduler(getpid(), SCHED_IDLE, ¶m) != 0;
#elif defined(_POSIX_PRIORITY_SCHEDULING)
use_yield = 1;
#endif
}
static void john_run(void)
{
if (options.flags & FLG_TEST_CHK)
exit_status = benchmark_all() ? 1 : 0;
else
if (options.flags & FLG_MAKECHR_CHK)
do_makechars(&database, options.charset);
else
if (options.flags & FLG_CRACKING_CHK) {
int remaining = database.password_count;
if (!(options.flags & FLG_STDOUT)) {
status_init(NULL, 1);
log_init(LOG_NAME, options.loader.activepot, options.session);
john_log_format();
if (idle_requested(database.format))
log_event("- Configured to use otherwise idle "
"processor cycles only");
}
tty_init(options.flags & FLG_STDIN_CHK);
#if defined(HAVE_MPI) && defined(_OPENMP)
if (database.format->params.flags & FMT_OMP &&
omp_get_max_threads() > 1 && mpi_p > 1) {
if(cfg_get_bool(SECTION_OPTIONS, NULL, "MPIOMPmutex", 1)) {
if(cfg_get_bool(SECTION_OPTIONS, NULL, "MPIOMPverbose", 1) &&
mpi_id == 0)
fprintf(stderr, "MPI in use, disabling OMP (see doc/README.mpi)\n");
omp_set_num_threads(1);
} else
if(cfg_get_bool(SECTION_OPTIONS, NULL, "MPIOMPverbose", 1) &&
mpi_id == 0)
fprintf(stderr, "Note: Running both MPI and OMP (see doc/README.mpi)\n");
}
#endif
if (options.flags & FLG_SINGLE_CHK)
do_single_crack(&database);
else
if (options.flags & FLG_WORDLIST_CHK)
do_wordlist_crack(&database, options.wordlist,
(options.flags & FLG_RULES) != 0);
else
if (options.flags & FLG_INC_CHK)
do_incremental_crack(&database, options.charset);
else
if (options.flags & FLG_MKV_CHK)
do_markov_crack(&database, options.mkv_level, options.mkv_start, options.mkv_end, options.mkv_maxlen, options.mkv_minlevel, options.mkv_minlen);
else
if (options.flags & FLG_EXTERNAL_CHK)
do_external_crack(&database);
else
if (options.flags & FLG_BATCH_CHK)
do_batch_crack(&database);
status_print();
tty_done();
if (database.password_count < remaining) {
char *might = "Warning: passwords printed above might";
char *partial = " be partial";
char *not_all = " not be all those cracked";
switch (database.options->flags &
(DB_SPLIT | DB_NODUP)) {
case DB_SPLIT:
#ifdef HAVE_MPI
if (mpi_id == 0)
#endif
fprintf(stderr, "%s%s\n", might, partial);
break;
case DB_NODUP:
#ifdef HAVE_MPI
if (mpi_id == 0)
#endif
fprintf(stderr, "%s%s\n", might, not_all);
break;
case (DB_SPLIT | DB_NODUP):
#ifdef HAVE_MPI
if (mpi_id == 0)
#endif
fprintf(stderr, "%s%s and%s\n",
might, partial, not_all);
}
#ifdef HAVE_MPI
if (mpi_id == 0)
#endif
fputs("Use the \"--show\" option to display all of "
"the cracked passwords reliably\n", stderr);
}
}
}