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libnfc/utils/nfc-list.c
Philippe Teuwen ad9694cf00 nfc-list: New option to choose which technologies to poll for 
This is useful especially against chips emulating several types
at once (e.g. PN53x, PN544 etc)
2013-09-09 15:58:07 +02:00

293 lines
8.7 KiB
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/*-
* Free/Libre Near Field Communication (NFC) library
*
* Libnfc historical contributors:
* Copyright (C) 2009 Roel Verdult
* Copyright (C) 2009-2013 Romuald Conty
* Copyright (C) 2010-2012 Romain Tartière
* Copyright (C) 2010-2013 Philippe Teuwen
* Copyright (C) 2012-2013 Ludovic Rousseau
* See AUTHORS file for a more comprehensive list of contributors.
* Additional contributors of this file:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1) Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2 )Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Note that this license only applies on the examples, NFC library itself is under LGPL
*
*/
/**
* @file nfc-list.c
* @brief Lists the first target present of each founded device
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif // HAVE_CONFIG_H
#include <err.h>
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <nfc/nfc.h>
#include "nfc-utils.h"
#define MAX_DEVICE_COUNT 16
#define MAX_TARGET_COUNT 16
static nfc_device *pnd;
static void
print_usage(const char *progname)
{
printf("usage: %s [-v] [-t X]\n", progname);
printf(" -v\t verbose display\n");
printf(" -t X\t poll only for types according to bitfield X:\n");
printf("\t 1: ISO14443A\n");
printf("\t 2: Felica (212 kbps)\n");
printf("\t 4: Felica (424 kbps)\n");
printf("\t 8: ISO14443B\n");
printf("\t 16: ISO14443B'\n");
printf("\t 32: ISO14443B-2 ST SRx\n");
printf("\t 64: ISO14443B-2 ASK CTx\n");
printf("\t 128: Jewel\n");
printf("\tSo 255 (default) polls for all types.\n");
printf("\tNote that if 16, 32 or 64 then 8 is selected too.\n");
}
int
main(int argc, const char *argv[])
{
(void) argc;
const char *acLibnfcVersion;
size_t i;
bool verbose = false;
int res = 0;
int mask = 0xff;
int arg;
nfc_context *context;
nfc_init(&context);
if (context == NULL) {
ERR("Unable to init libnfc (malloc)");
exit(EXIT_FAILURE);
}
// Display libnfc version
acLibnfcVersion = nfc_version();
printf("%s uses libnfc %s\n", argv[0], acLibnfcVersion);
// Get commandline options
for (arg = 1; arg < argc; arg++) {
if (0 == strcmp(argv[arg], "-h")) {
print_usage(argv[0]);
exit(EXIT_SUCCESS);
} else if (0 == strcmp(argv[arg], "-v")) {
verbose = true;
} else if ((0 == strcmp(argv[arg], "-t")) && (arg + 1 < argc)) {
arg++;
mask = atoi(argv[arg]);
if ((mask < 1) || (mask > 255)) {
ERR("%i is invalid value for type bitfield.", mask);
print_usage(argv[0]);
exit(EXIT_FAILURE);
}
// Force TypeB for all derivatives of B
if (mask & 0x70)
mask |= 0x08;
} else {
ERR("%s is not supported option.", argv[arg]);
print_usage(argv[0]);
exit(EXIT_FAILURE);
}
}
/* Lazy way to open an NFC device */
#if 0
pnd = nfc_open(context, NULL);
#endif
/* Use connection string if specific device is wanted,
* i.e. PN532 UART device on /dev/ttyUSB1 */
#if 0
pnd = nfc_open(context, "pn532_uart:/dev/ttyUSB1");
#endif
nfc_connstring connstrings[MAX_DEVICE_COUNT];
size_t szDeviceFound = nfc_list_devices(context, connstrings, MAX_DEVICE_COUNT);
if (szDeviceFound == 0) {
printf("No NFC device found.\n");
}
for (i = 0; i < szDeviceFound; i++) {
nfc_target ant[MAX_TARGET_COUNT];
pnd = nfc_open(context, connstrings[i]);
if (pnd == NULL) {
ERR("Unable to open NFC device: %s", connstrings[i]);
continue;
}
if (nfc_initiator_init(pnd) < 0) {
nfc_perror(pnd, "nfc_initiator_init");
nfc_exit(context);
exit(EXIT_FAILURE);
}
printf("NFC device: %s opened\n", nfc_device_get_name(pnd));
nfc_modulation nm;
if (mask & 0x1) {
nm.nmt = NMT_ISO14443A;
nm.nbr = NBR_106;
// List ISO14443A targets
if ((res = nfc_initiator_list_passive_targets(pnd, nm, ant, MAX_TARGET_COUNT)) >= 0) {
int n;
if (verbose || (res > 0)) {
printf("%d ISO14443A passive target(s) found%s\n", res, (res == 0) ? ".\n" : ":");
}
for (n = 0; n < res; n++) {
print_nfc_target(&ant[n], verbose);
printf("\n");
}
}
}
if (mask & 0x02) {
nm.nmt = NMT_FELICA;
nm.nbr = NBR_212;
// List Felica tags
if ((res = nfc_initiator_list_passive_targets(pnd, nm, ant, MAX_TARGET_COUNT)) >= 0) {
int n;
if (verbose || (res > 0)) {
printf("%d Felica (212 kbps) passive target(s) found%s\n", res, (res == 0) ? ".\n" : ":");
}
for (n = 0; n < res; n++) {
print_nfc_target(&ant[n], verbose);
printf("\n");
}
}
}
if (mask & 0x04) {
nm.nmt = NMT_FELICA;
nm.nbr = NBR_424;
if ((res = nfc_initiator_list_passive_targets(pnd, nm, ant, MAX_TARGET_COUNT)) >= 0) {
int n;
if (verbose || (res > 0)) {
printf("%d Felica (424 kbps) passive target(s) found%s\n", res, (res == 0) ? ".\n" : ":");
}
for (n = 0; n < res; n++) {
print_nfc_target(&ant[n], verbose);
printf("\n");
}
}
}
if (mask & 0x08) {
nm.nmt = NMT_ISO14443B;
nm.nbr = NBR_106;
// List ISO14443B targets
if ((res = nfc_initiator_list_passive_targets(pnd, nm, ant, MAX_TARGET_COUNT)) >= 0) {
int n;
if (verbose || (res > 0)) {
printf("%d ISO14443B passive target(s) found%s\n", res, (res == 0) ? ".\n" : ":");
}
for (n = 0; n < res; n++) {
print_nfc_target(&ant[n], verbose);
printf("\n");
}
}
}
if (mask & 0x10) {
nm.nmt = NMT_ISO14443BI;
nm.nbr = NBR_106;
// List ISO14443B' targets
if ((res = nfc_initiator_list_passive_targets(pnd, nm, ant, MAX_TARGET_COUNT)) >= 0) {
int n;
if (verbose || (res > 0)) {
printf("%d ISO14443B' passive target(s) found%s\n", res, (res == 0) ? ".\n" : ":");
}
for (n = 0; n < res; n++) {
print_nfc_target(&ant[n], verbose);
printf("\n");
}
}
}
if (mask & 0x20) {
nm.nmt = NMT_ISO14443B2SR;
nm.nbr = NBR_106;
// List ISO14443B-2 ST SRx family targets
if ((res = nfc_initiator_list_passive_targets(pnd, nm, ant, MAX_TARGET_COUNT)) >= 0) {
int n;
if (verbose || (res > 0)) {
printf("%d ISO14443B-2 ST SRx passive target(s) found%s\n", res, (res == 0) ? ".\n" : ":");
}
for (n = 0; n < res; n++) {
print_nfc_target(&ant[n], verbose);
printf("\n");
}
}
}
if (mask & 0x40) {
nm.nmt = NMT_ISO14443B2CT;
nm.nbr = NBR_106;
// List ISO14443B-2 ASK CTx family targets
if ((res = nfc_initiator_list_passive_targets(pnd, nm, ant, MAX_TARGET_COUNT)) >= 0) {
int n;
if (verbose || (res > 0)) {
printf("%d ISO14443B-2 ASK CTx passive target(s) found%s\n", res, (res == 0) ? ".\n" : ":");
}
for (n = 0; n < res; n++) {
print_nfc_target(&ant[n], verbose);
printf("\n");
}
}
}
if (mask & 0x80) {
nm.nmt = NMT_JEWEL;
nm.nbr = NBR_106;
// List Jewel targets
if ((res = nfc_initiator_list_passive_targets(pnd, nm, ant, MAX_TARGET_COUNT)) >= 0) {
int n;
if (verbose || (res > 0)) {
printf("%d Jewel passive target(s) found%s\n", res, (res == 0) ? ".\n" : ":");
}
for (n = 0; n < res; n++) {
print_nfc_target(&ant[n], verbose);
printf("\n");
}
}
}
nfc_close(pnd);
}
nfc_exit(context);
exit(EXIT_SUCCESS);
}
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