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Changed default behavior to use all cores available

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Used workaround to make it compile on Windows with some MinGW
installations
This commit is contained in:
wiire-a 2017-10-14 11:43:10 +02:00
parent e2f480a900
commit 7d0f03d400
2 changed files with 53 additions and 21 deletions
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59
src/pixiewps.c
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@ -85,7 +85,7 @@ static struct job_control {
static void *crack_thread(void *arg) {
struct crack_job *j = arg;
struct random_data *buf = calloc(1, sizeof(struct random_data));
char *rand_statebuf = calloc(1, 128);
char *rand_statebuf = calloc(128, 1);
uint32_t seed = j->start;
uint32_t limit = job_control.end;
@ -94,7 +94,7 @@ static void* crack_thread(void *arg) {
while (!job_control.print_seed) {
srandom_r(seed, buf);
unsigned i;
unsigned int i;
for (i = 0; i < 4; i++) {
random_r(buf, &res);
if ((uint32_t) res != job_control.randr_enonce[i])
@ -121,8 +121,8 @@ static void* crack_thread(void *arg) {
return 0;
}
static void init_crack_jobs(int jobs, struct global *wps) {
job_control.jobs = jobs;
static void init_crack_jobs(struct global *wps) {
job_control.jobs = wps->jobs;
job_control.end = wps->end;
job_control.print_seed = 0;
memset(job_control.randr_enonce, 0, sizeof(job_control.randr_enonce));
@ -137,16 +137,16 @@ static void init_crack_jobs(int jobs, struct global *wps) {
job_control.randr_enonce[i] <<= 8;
job_control.randr_enonce[i] |= wps->e_nonce[j++];
}
job_control.crack_jobs = malloc(jobs * sizeof (struct job_control));
job_control.crack_jobs = malloc(wps->jobs * sizeof (struct job_control));
time_t curr = wps->start;
for(i=0; i<jobs; i++) {
for(i = 0; i < wps->jobs; i++) {
job_control.crack_jobs[i].start = curr;
pthread_create(&job_control.crack_jobs[i].thr, NULL, crack_thread, &job_control.crack_jobs[i]);
curr -= SECS_PER_JOB_BLOCK;
}
}
static uint32_t collect_crack_jobs(void) {
static uint32_t collect_crack_jobs() {
int i;
for (i = 0; i < job_control.jobs; i++) {
void* ret;
@ -155,10 +155,37 @@ static uint32_t collect_crack_jobs(void) {
return job_control.print_seed;
}
unsigned int hardware_concurrency() {
#if defined(PTW32_VERSION) || defined(__hpux)
return pthread_num_processors_np();
#elif defined(__APPLE__) || defined(__FreeBSD__)
int count;
size_t size = sizeof(count);
return sysctlbyname("hw.ncpu", &count, &size, NULL, 0) ? 0 : count;
#elif defined(_SC_NPROCESSORS_ONLN) /* unistd.h */
int const count = sysconf(_SC_NPROCESSORS_ONLN);
return (count > 0) ? count : 0;
#elif defined(__GLIBC__)
return get_nprocs();
#elif defined(_WIN32) || defined(__WIN32__)
# define static /* Workaround to make it compile on some MinGW installations */
# include <windows.h>
# undef static
# define static static
SYSTEM_INFO sysinfo;
GetSystemInfo(&sysinfo);
return sysinfo.dwNumberOfProcessors;
#else
return 0;
#endif
}
int main(int argc, char **argv) {
struct global *wps;
if ((wps = calloc(1, sizeof(struct global)))) {
unsigned int cores = hardware_concurrency();
wps->jobs = cores == 0 ? 1 : cores;
wps->mode_auto = 1;
wps->verbosity = 3;
wps->error = calloc(256, 1);
@ -177,13 +204,15 @@ memory_err:
int opt = 0;
int long_index = 0;
uint_fast8_t c = 0;
int jobs = 1;
opt = getopt_long(argc, argv, option_string, long_options, &long_index);
while (opt != -1) {
c++;
switch (opt) {
case 'j':
jobs = atoi(optarg);
if (get_int(optarg, &wps->jobs) != 0 || wps->jobs < 1) {
snprintf(wps->error, 256, "\n [!] Bad number of jobs -- %s\n\n", optarg);
goto usage_err;
}
break;
case 'e':
wps->pke = malloc(WPS_PKEY_LEN);
@ -277,7 +306,7 @@ memory_err:
if (get_int(optarg, &wps->verbosity) != 0 || wps->verbosity < 1 || wps->verbosity > 3) {
snprintf(wps->error, 256, "\n [!] Bad verbosity level -- %s\n\n", optarg);
goto usage_err;
};
}
break;
case 'V':
{
@ -285,6 +314,7 @@ memory_err:
snprintf(wps->error, 256, "\n [!] Bad use of argument --version (-V)!\n\n");
goto usage_err;
} else {
unsigned int cores = hardware_concurrency();
struct timeval t_current;
gettimeofday(&t_current, 0);
time_t r_time;
@ -293,8 +323,10 @@ memory_err:
r_time = t_current.tv_sec;
ts = *gmtime(&r_time);
strftime(buffer, 30, "%c", &ts);
fprintf(stderr, "\n Pixiewps %s\n\n [*] System time: %lu (%s UTC)\n\n",
LONG_VERSION, (unsigned long) t_current.tv_sec, buffer);
fprintf(stderr, "\n Pixiewps %s\n\n"
" [*] System time: %lu (%s UTC)\n"
" [*] Number of cores available: %u\n\n",
LONG_VERSION, (unsigned long) t_current.tv_sec, buffer, cores == 0 ? 1 : cores);
free(wps->error);
free(wps);
return ARG_ERROR;
@ -672,8 +704,7 @@ usage_err:
if (!(wps->e_nonce[0] & 0x80) && !(wps->e_nonce[4] & 0x80) &&
!(wps->e_nonce[8] & 0x80) && !(wps->e_nonce[12] & 0x80)) {
init_crack_jobs(jobs, wps);
init_crack_jobs(wps);
#if DEBUG
{

3
src/pixiewps.h
View File

@ -104,6 +104,7 @@ struct global {
uint8_t mode_auto;
uint8_t bruteforce;
uint8_t anylength;
unsigned jobs;
int verbosity;
char *error;
char *warning;
@ -134,7 +135,7 @@ char usage[] =
" -l, --length : Brute-force entire pin length (experimental)\n"
" -v, --verbosity : Verbosity level 1-3, 1 is quietest [3]\n"
" -o, --output : Write output to file\n"
" -j, --jobs : Number of parallel threads to use [1]\n"
" -j, --jobs : Number of parallel threads to use [Auto]\n"
"\n"
" -h : Display this usage screen\n"
" --help : Verbose help and more usage examples\n"