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hashcat
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Code Issues Releases Wiki Activity

Fix some workload balancing issue

Browse Source
pull/368/head
jsteube 8 years ago
parent 069634ae77
commit 106e781a2f
2 changed files with 56 additions and 68 deletions
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5
include/types.h
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@ -947,6 +947,7 @@ struct __hc_device_param
uint kernel_accel_min;
uint kernel_accel_max;
uint kernel_power;
uint hardware_power;
size_t size_pws;
size_t size_tmps;
@ -1113,8 +1114,9 @@ typedef struct
* workload specific
*/
uint hardware_power_all;
uint kernel_power_all;
float kernel_power_div;
u64 kernel_power_final; // we save that so that all divisions are done from the same base
/**
* attack specific
@ -1335,3 +1337,4 @@ typedef struct
extern hc_global_data_t data;
#endif

119
src/hashcat.c
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@ -2402,42 +2402,6 @@ static void save_hash ()
unlink (old_hashfile);
}
static float find_kernel_power_div (const u64 total_left, const uint kernel_power_all)
{
// function called only in case kernel_power_all > words_left
float kernel_power_div = (float) (total_left) / kernel_power_all;
kernel_power_div += kernel_power_div / 100;
u32 kernel_power_new = (u32) (kernel_power_all * kernel_power_div);
while (kernel_power_new < total_left)
{
kernel_power_div += kernel_power_div / 100;
kernel_power_new = (u32) (kernel_power_all * kernel_power_div);
}
if (data.quiet == 0)
{
clear_prompt ();
//log_info ("");
log_info ("INFO: approaching final keyspace, workload adjusted");
log_info ("");
fprintf (stdout, "%s", PROMPT);
fflush (stdout);
}
//if ((kernel_power_all * kernel_power_div) < 8) return 1;
return kernel_power_div;
}
static void run_kernel (const uint kern_run, hc_device_param_t *device_param, const uint num, const uint event_update)
{
uint num_elements = num;
@ -4456,14 +4420,43 @@ static void pw_add (hc_device_param_t *device_param, const u8 *pw_buf, const int
//}
}
static u32 get_power (const u32 kernel_power)
static void set_kernel_power_final (const u64 kernel_power_final)
{
if (data.kernel_power_div)
if (data.quiet == 0)
{
return (float) kernel_power * data.kernel_power_div;
clear_prompt ();
//log_info ("");
log_info ("INFO: approaching final keyspace, workload adjusted");
log_info ("");
fprintf (stdout, "%s", PROMPT);
fflush (stdout);
}
data.kernel_power_final = kernel_power_final;
}
static u32 get_power (hc_device_param_t *device_param)
{
const u64 kernel_power_final = data.kernel_power_final;
if (kernel_power_final)
{
const double device_factor = (double) device_param->hardware_power / data.hardware_power_all;
const u64 words_left_device = CEIL ((double) kernel_power_final * device_factor);
// work should be at least the hardware power available without any accelerator
const u64 work = MAX (words_left_device, device_param->hardware_power);
return work;
}
return kernel_power;
return device_param->kernel_power;
}
static uint get_work (hc_device_param_t *device_param, const u64 max)
@ -4475,17 +4468,19 @@ static uint get_work (hc_device_param_t *device_param, const u64 max)
device_param->words_off = words_cur;
const u64 kernel_power_all = data.kernel_power_all;
const u64 words_left = words_base - words_cur;
if (data.kernel_power_all > words_left)
if (words_left < kernel_power_all)
{
if (data.kernel_power_div == 0)
if (data.kernel_power_final == 0)
{
data.kernel_power_div = find_kernel_power_div (words_left, data.kernel_power_all);
set_kernel_power_final (words_left);
}
}
const u32 kernel_power = get_power (device_param->kernel_power);
const u32 kernel_power = get_power (device_param);
uint work = MIN (words_left, kernel_power);
@ -4532,7 +4527,7 @@ static void *thread_calc_stdin (void *p)
uint words_cur = 0;
while (words_cur < get_power (device_param->kernel_power))
while (words_cur < device_param->kernel_power)
{
char *line_buf = fgets (buf, HCBUFSIZ - 1, stdin);
@ -4566,6 +4561,8 @@ static void *thread_calc_stdin (void *p)
continue;
}
// hmm that's always the case, or?
if (attack_kern == ATTACK_KERN_STRAIGHT)
{
if ((line_len < data.pw_min) || (line_len > data.pw_max))
@ -4582,25 +4579,6 @@ static void *thread_calc_stdin (void *p)
continue;
}
}
else if (attack_kern == ATTACK_KERN_COMBI)
{
// do not check if minimum restriction is satisfied (line_len >= data.pw_min) here
// since we still need to combine the plains
if (line_len > data.pw_max)
{
hc_thread_mutex_lock (mux_counter);
for (uint salt_pos = 0; salt_pos < data.salts_cnt; salt_pos++)
{
data.words_progress_rejected[salt_pos] += data.combs_cnt;
}
hc_thread_mutex_unlock (mux_counter);
continue;
}
}
pw_add (device_param, (u8 *) line_buf, line_len);
@ -5407,8 +5385,6 @@ static uint generate_bitmaps (const uint digests_cnt, const uint dgst_size, cons
for (uint i = 0; i < digests_cnt; i++)
{
if (data.digests_shown[i] == 1) continue; // can happen with potfile
uint *digest_ptr = (uint *) digests_buf_ptr;
digests_buf_ptr += dgst_size;
@ -14566,6 +14542,8 @@ int main (int argc, char **argv)
device_param->kernel_threads = kernel_threads;
device_param->hardware_power = device_processors * kernel_threads;
/**
* create input buffers on device : calculate size of fixed memory buffers
*/
@ -17060,7 +17038,7 @@ int main (int argc, char **argv)
data.ms_paused = 0;
data.kernel_power_div = 0;
data.kernel_power_final = 0;
data.words_cur = rd->words_cur;
@ -17591,15 +17569,21 @@ int main (int argc, char **argv)
* Inform user about possible slow speeds
*/
uint hardware_power_all = 0;
uint kernel_power_all = 0;
for (uint device_id = 0; device_id < data.devices_cnt; device_id++)
{
hc_device_param_t *device_param = &devices_param[device_id];
hardware_power_all += device_param->hardware_power;
kernel_power_all += device_param->kernel_power;
}
data.hardware_power_all = hardware_power_all; // hardware_power_all is the same as kernel_power_all but without the influence of kernel_accel on the devices
data.kernel_power_all = kernel_power_all;
if ((wordlist_mode == WL_MODE_FILE) || (wordlist_mode == WL_MODE_MASK))
@ -18268,3 +18252,4 @@ int main (int argc, char **argv)
return -1;
}

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