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/*
* Copyright 2015 Hannes Ellinger
*
* This file is part of Project Ubertooth.
*
* 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, 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "ubertooth.h"
#include <err.h>
#include <getopt.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
extern int max_ac_errors;
extern unsigned int packet_counter_max;
static void usage()
{
printf("ubertooth-afh - passive detection of the AFH channel map\n");
printf("Usage:\n");
printf("\t-h this help\n");
printf("\t-r print AFH channel map once every second\n");
printf("\t-V print version information\n");
printf("\t-l <LAP> to decode (6 hex), otherwise sniff all LAPs\n");
printf("\t-u <UAP> to decode (2 hex), otherwise try to calculate (requires LAP)\n");
printf("\t-U <0-7> set ubertooth device to use\n");
printf("\t-t <seconds> timeout for initial AFH map detection\n");
printf("\t-m <int> threshold for channel removal\n");
printf("\t-e max_ac_errors (default: %d, range: 0-4)\n", max_ac_errors);
printf("\nIf an input file is not specified, an Ubertooth device is used for live capture.\n");
}
int main(int argc, char* argv[])
{
int opt, have_lap = 0, have_uap = 0, timeout = 0;//, have_initial_afh = 0;
// uint8_t initial_afh[10];
char* end;
char ubertooth_device = -1;
btbb_piconet* pn = NULL;
uint32_t lap = 0;
uint8_t uap = 0;
uint8_t use_r_format = 0;
ubertooth_t* ut = NULL;
while ((opt=getopt(argc,argv,"rhVl:u:U:e:a:t:m:")) != EOF) {
switch(opt) {
case 'l':
lap = strtol(optarg, &end, 16);
have_lap = 1;
break;
case 'u':
uap = strtol(optarg, &end, 16);
have_uap = 1;
break;
case 'a':
// for(int i=0; i<10; i++) {
// sscanf(2+optarg+2*i, "%2hhx", &initial_afh[i]);
// }
// have_initial_afh = 1;
break;
case 't':
timeout = atoi(optarg);
break;
case 'U':
ubertooth_device = atoi(optarg);
break;
case 'e':
max_ac_errors = atoi(optarg);
break;
case 'm':
packet_counter_max = atoi(optarg);
break;
case 'V':
print_version();
return 0;
case 'r':
use_r_format = 1;
break;
case 'h':
default:
usage();
return 1;
}
}
if (have_lap && have_uap) {
pn = btbb_piconet_new();
btbb_init_piconet(pn, lap);
btbb_piconet_set_uap(pn, uap);
btbb_piconet_set_flag(pn, BTBB_IS_AFH, 1);
btbb_piconet_set_flag(pn, BTBB_LOOKS_LIKE_AFH, 1);
btbb_init_survey();
} else {
printf("Error: UAP or LAP not specified\n");
usage();
return 1;
}
if (packet_counter_max == 0) {
printf("Error: Threshold for unused channels not specified\n");
usage();
return 1;
}
ut = ubertooth_start(ubertooth_device);
if (ut->devh == NULL) {
usage();
return 1;
}
/* Clean up on exit. */
register_cleanup_handler(ut);
if (use_r_format)
rx_afh_r(ut, pn, timeout);
else
rx_afh(ut, pn, timeout);
ubertooth_stop(ut);
return 0;
}
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