int NFC_Mifare_Classic(int argc, const char *argv[]) //! Lecture - Écriture d'une carte MIFARE Classic
{
action_t atAction = ACTION_USAGE;
uint8_t *pbtUID;
int unlock = 0;
if (argc < 2)
{
sprintf(message_erreur,"Syntaxe incorrecte !");
return EXIT_FAILURE; //! Échec !
}
const char *command = argv[1];
if (strcmp(command, "r") == 0 || strcmp(command, "R") == 0)
{
if (argc < 4)
{
sprintf(message_erreur,"Syntaxe incorrecte !");
return EXIT_FAILURE; //! Échec !
}
atAction = ACTION_READ;
if (strcmp(command, "R") == 0)
{
unlock = 1;
}
bUseKeyA = tolower((int)((unsigned char) * (argv[2]))) == 'a';
bTolerateFailures = tolower((int)((unsigned char) * (argv[2]))) != (int)((unsigned char) * (argv[2]));
bUseKeyFile = (argc > 4);
bForceKeyFile = ((argc > 5) && (strcmp((char *)argv[5], "f") == 0));
}
else if (strcmp(command, "w") == 0 || strcmp(command, "W") == 0)
{
if (argc < 4)
{
sprintf(message_erreur,"Syntaxe incorrecte !");
return EXIT_FAILURE; //! Échec !
}
atAction = ACTION_WRITE;
if (strcmp(command, "W") == 0)
{
unlock = 1;
}
bUseKeyA = tolower((int)((unsigned char) * (argv[2]))) == 'a';
bTolerateFailures = tolower((int)((unsigned char) * (argv[2]))) != (int)((unsigned char) * (argv[2]));
bUseKeyFile = (argc > 4);
bForceKeyFile = ((argc > 5) && (strcmp((char *)argv[5], "f") == 0));
}
if (atAction == ACTION_USAGE)
{
sprintf(message_erreur,"Syntaxe incorrecte !");
return EXIT_FAILURE; //! Échec !
}
//! We don't know yet the card size so let's read only the UID from the keyfile for the moment
if (bUseKeyFile)
{
FILE *pfKeys = fopen(argv[4], "rb");
if (pfKeys == NULL)
{
sprintf(message_erreur,"Could not open keys file: %s\n", argv[4]);
return EXIT_FAILURE; //! Échec !
}
if (fread(&mtKeys, 1, 4, pfKeys) != 4)
{
sprintf(message_erreur,"Could not read UID from key file: %s !", argv[4]);
fclose(pfKeys);
return EXIT_FAILURE; //! Échec !
}
fclose(pfKeys);
}
nfc_init(&context);
if (context == NULL)
{
sprintf(message_erreur,"Unable to init libnfc (malloc) !");
return EXIT_FAILURE; //! Échec !
}
//! Try to open the NFC reader
pnd = nfc_open(context, NULL);
if (pnd == NULL)
{
sprintf(message_erreur,"Error opening NFC reader !");
nfc_exit(context);
return EXIT_FAILURE; //! Échec !
}
if (nfc_initiator_init(pnd) < 0)
{
nfc_perror(pnd, "nfc_initiator_init");
nfc_strerror_r(pnd, message_erreur, TAILLE_MESSAGE_ERREUR);
nfc_close(pnd);
nfc_exit(context);
return EXIT_FAILURE; //! Échec !
};
//! Let the reader only try once to find a tag
if (nfc_device_set_property_bool(pnd, NP_INFINITE_SELECT, false) < 0)
{
nfc_perror(pnd, "nfc_device_set_property_bool");
nfc_strerror_r(pnd, message_erreur, TAILLE_MESSAGE_ERREUR);
nfc_close(pnd);
nfc_exit(context);
return EXIT_FAILURE; //! Échec !
}
//! Disable ISO14443-4 switching in order to read devices that emulate Mifare Classic with ISO14443-4 compliance.
nfc_device_set_property_bool(pnd, NP_AUTO_ISO14443_4, false);
#ifdef DEBUG_PRINTF
fprintf(stderr,"NFC reader: %s opened\n", nfc_device_get_name(pnd));
#endif
//! Try to find a MIFARE Classic tag
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) <= 0)
{
sprintf(message_erreur,"Error: no tag was found !");
nfc_close(pnd);
nfc_exit(context);
return EXIT_FAILURE; //! Échec !
}
//! Test if we are dealing with a MIFARE compatible tag
if ((nt.nti.nai.btSak & 0x08) == 0)
{
#ifdef DEBUG_PRINTF
fprintf(stderr,"Warning: tag is probably not a MFC !");
#endif
}
//! Get the info from the current tag
pbtUID = nt.nti.nai.abtUid;
if (bUseKeyFile)
{
uint8_t fileUid[4];
memcpy(fileUid, mtKeys.amb[0].mbm.abtUID, 4);
//! Compare if key dump UID is the same as the current tag UID, at least for the first 4 bytes
if (memcmp(pbtUID, fileUid, 4) != 0)
{
#ifdef DEBUG_PRINTF
fprintf(stderr,"Expected MIFARE Classic card with UID starting as: %02x%02x%02x%02x\n", fileUid[0], fileUid[1], fileUid[2], fileUid[3]);
fprintf(stderr,"Got card with UID starting as: %02x%02x%02x%02x\n", pbtUID[0], pbtUID[1], pbtUID[2], pbtUID[3]);
#endif
if (! bForceKeyFile)
{
sprintf(message_erreur,"Aborting !");
nfc_close(pnd);
nfc_exit(context);
return EXIT_FAILURE; //! Échec !
}
}
}
#ifdef DEBUG_PRINTF
fprintf(stderr,"Found MIFARE Classic card:\n");
#endif
print_nfc_target(&nt, false);
//! Guessing size
if ((nt.nti.nai.abtAtqa[1] & 0x02) == 0x02)
//! 4K
uiBlocks = 0xff;
else if ((nt.nti.nai.btSak & 0x01) == 0x01)
//! 320b
uiBlocks = 0x13;
else
//! 1K/2K, checked through RATS
uiBlocks = 0x3f;
//! Testing RATS
int res;
if ((res = get_rats()) > 0)
{
if ((res >= 10) && (abtRx[5] == 0xc1) && (abtRx[6] == 0x05) && (abtRx[7] == 0x2f) && (abtRx[8] == 0x2f) && ((nt.nti.nai.abtAtqa[1] & 0x02) == 0x00))
{
//! MIFARE Plus 2K
uiBlocks = 0x7f;
}
//! Chinese magic emulation card, ATS=0978009102:dabc1910
if ((res == 9) && (abtRx[5] == 0xda) && (abtRx[6] == 0xbc) && (abtRx[7] == 0x19) && (abtRx[8] == 0x10))
{
magic2 = true;
}
}
#ifdef DEBUG_PRINTF
fprintf(stderr,"Guessing size: seems to be a %i-byte card\n", (uiBlocks + 1) * 16);
#endif
if (bUseKeyFile)
{
FILE *pfKeys = fopen(argv[4], "rb");
if (pfKeys == NULL)
{
sprintf(message_erreur,"Could not open keys file: %s !", argv[4]);
return EXIT_FAILURE; //! Échec !
}
if (fread(&mtKeys, 1, (uiBlocks + 1) * sizeof(mifare_classic_block), pfKeys) != (uiBlocks + 1) * sizeof(mifare_classic_block))
{
sprintf(message_erreur,"Could not read keys file: %s !", argv[4]);
fclose(pfKeys);
return EXIT_FAILURE; //! Échec !
}
fclose(pfKeys);
}
if (atAction == ACTION_READ)
{
memset(&mtDump, 0x00, sizeof(mtDump));
}
else
{
FILE *pfDump = fopen(argv[3], "rb");
if (pfDump == NULL)
{
sprintf(message_erreur,"Could not open dump file: %s !", argv[3]);
return EXIT_FAILURE; //! Échec !
}
if (fread(&mtDump, 1, (uiBlocks + 1) * sizeof(mifare_classic_block), pfDump) != (uiBlocks + 1) * sizeof(mifare_classic_block))
{
sprintf(message_erreur,"Could not read dump file: %s !", argv[3]);
fclose(pfDump);
return EXIT_FAILURE; //! Échec !
}
fclose(pfDump);
}
if (atAction == ACTION_READ)
{
if (read_card(unlock))
{
#ifdef DEBUG_PRINTF
fprintf(stderr,"Writing data to file: %s ...", argv[3]);
#endif
fflush(stdout);
FILE *pfDump = fopen(argv[3], "wb");
if (pfDump == NULL)
{
sprintf(message_erreur,"Could not open dump file: %s !", argv[3]);
nfc_close(pnd);
nfc_exit(context);
return EXIT_FAILURE; //! Échec !
}
if (fwrite(&mtDump, 1, (uiBlocks + 1) * sizeof(mifare_classic_block), pfDump) != ((uiBlocks + 1) * sizeof(mifare_classic_block)))
{
sprintf(message_erreur,"\nCould not write to file: %s !", argv[3]);
fclose(pfDump);
nfc_close(pnd);
nfc_exit(context);
return EXIT_FAILURE; //! Échec !
}
#ifdef DEBUG_PRINTF
fprintf(stderr,"Done.\n");
#endif
fclose(pfDump);
}
else
{
nfc_close(pnd);
nfc_exit(context);
return EXIT_FAILURE;
}
}
else if (atAction == ACTION_WRITE)
{
write_card(unlock);
}
nfc_close(pnd);
nfc_exit(context);
return EXIT_SUCCESS; //! Succès !
}
static int list_passive_targets(nfc_device *_pnd)
{
int res = 0;
nfc_target ant[MAX_TARGET_COUNT];
if (nfc_initiator_init(_pnd) < 0) {
return -EXIT_FAILURE;
}
if ((res = nfc_initiator_list_passive_targets(_pnd, nmMifare, ant, MAX_TARGET_COUNT)) >= 0) {
int i;
if (res > 0)
printf("%d ISO14443A passive target(s) found:\n", res);
for (i = 0; i < res; i++) {
size_t szPos;
printf("\t");
for (szPos = 0; szPos < ant[i].nti.nai.szUidLen; szPos++) {
printf("%02x", ant[i].nti.nai.abtUid[szPos]);
}
printf("\n");
}
}
return 0;
}
static PyObject * my_nfc_open() //PyObject *self, PyObject *args)
{
// Initialize libnfc and set the nfc_context
nfc_init(&context);
if (context == NULL) {
printf("Unable to init libnfc (malloc)\n");
exit(EXIT_FAILURE);
}
// Open, using the first available NFC device which can be in order of selection:
// - default device specified using environment variable or
// - first specified device in libnfc.conf (/etc/nfc) or
// - first specified device in device-configuration directory (/etc/nfc/devices.d) or
// - first auto-detected (if feature is not disabled in libnfc.conf) device
pnd = nfc_open(context, NULL);
if (pnd == NULL) {
printf("ERROR: %s\n", "Unable to open NFC device.");
exit(EXIT_FAILURE);
}
// Set opened NFC device to initiator mode
if (nfc_initiator_init(pnd) < 0) {
nfc_perror(pnd, "nfc_initiator_init");
exit(EXIT_FAILURE);
}
//printf("NFC reader: %s opened\n", nfc_device_get_name(pnd));
return Py_BuildValue("");
}
bool verification_lecteur_context(nfc_context**context, nfc_device **pnd, QLabel* label_conf_lecteur, QLabel* Message_utilisateur){
Message_utilisateur->setText("Detecting reader !");
bool res=1;
*pnd = nfc_open(*context, NULL);
if (*pnd == NULL) {
Message_utilisateur->setText("Pas de lecteur détécté !");
label_conf_lecteur->setText("Non détécté");
label_conf_lecteur->setStyleSheet("background-color: red;");
res =0;
}
// Set opened NFC device to initiator mode
else {
if (nfc_initiator_init(*pnd) < 0) {
Message_utilisateur->setText("Détécté mais non utilisable!");
label_conf_lecteur->setText("Non utilisable");
label_conf_lecteur->setStyleSheet("background-color: orange;");
res =0;
}
else {
Message_utilisateur->setText("lecteur detecte");
QString message ="";
message += nfc_device_get_name(*pnd);
label_conf_lecteur->setText(message);
label_conf_lecteur->setStyleSheet("background-color: green;");
}
}
return res;
}
/*
* Get a list of the MIFARE targets near to the provided NFC initiator.
*
* The list has to be freed using the freefare_free_tags() function.
*/
MifareTag *
freefare_get_tags (nfc_device *device)
{
MifareTag *tags = NULL;
int tag_count = 0;
nfc_initiator_init(device);
// Drop the field for a while
nfc_device_set_property_bool(device,NP_ACTIVATE_FIELD,false);
// Configure the CRC and Parity settings
nfc_device_set_property_bool(device,NP_HANDLE_CRC,true);
nfc_device_set_property_bool(device,NP_HANDLE_PARITY,true);
nfc_device_set_property_bool(device,NP_AUTO_ISO14443_4,true);
// Enable field so more power consuming cards can power themselves up
nfc_device_set_property_bool(device,NP_ACTIVATE_FIELD,true);
// Poll for a ISO14443A (MIFARE) tag
nfc_target *candidates = pvPortMalloc(MAX_CANDIDATES*sizeof(nfc_target));
int candidates_count;
nfc_modulation modulation = {
.nmt = NMT_ISO14443A,
.nbr = NBR_106
};
if ((candidates_count = nfc_initiator_list_passive_targets(device, modulation, candidates, MAX_CANDIDATES)) < 0)
{
vPortFree(candidates);
return NULL;
}
tags = pvPortMalloc(MAX_CANDIDATES*sizeof (void *));
if(!tags)
{
vPortFree(candidates);
return NULL;
}
memset (tags,0,MAX_CANDIDATES*sizeof (void *));
for (int c = 0; c < candidates_count; c++) {
MifareTag t;
if ((t = freefare_tag_new(device, candidates[c].nti.nai))) {
/* (Re)Allocate memory for the found MIFARE targets array */
/* MifareTag *p = pvPortRealloc (tags, (tag_count + 2) * sizeof (MifareTag));
if (p)
tags = p;
else
{
vPortFree(candidates);
return tags; // FAIL! Return what has been found so far.
}*/
tags[tag_count++] = t;
// tags[tag_count] = NULL;
}
}
vPortFree(candidates);
return tags;
}
int
main(int argc, const char *argv[])
{
nfc_device *pnd;
nfc_target nt;
// Allocate only a pointer to nfc_context
nfc_context *context;
// Initialize libnfc and set the nfc_context
nfc_init(&context);
// Display libnfc version
const char *acLibnfcVersion = nfc_version();
printf("%s uses libnfc %s\n", argv[0], acLibnfcVersion);
// Open, using the first available NFC device which can be in order of selection:
// - default device specified using environment variable or
// - first specified device in libnfc.conf (/etc/nfc) or
// - first specified device in device-configuration directory (/etc/nfc/devices.d) or
// - first auto-detected (if feature is not disabled in libnfc.conf) device
pnd = nfc_open(context, NULL);
if (pnd == NULL) {
warnx("ERROR: %s", "Unable to open NFC device.");
return EXIT_FAILURE;
}
// Set opened NFC device to initiator mode
if (nfc_initiator_init(pnd) < 0) {
nfc_perror(pnd, "nfc_initiator_init");
exit(EXIT_FAILURE);
}
printf("NFC reader: %s opened\n", nfc_device_get_name(pnd));
// Poll for a ISO14443A (MIFARE) tag
const nfc_modulation nmMifare = {
.nmt = NMT_ISO14443A,
.nbr = NBR_106,
};
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) > 0) {
printf("The following (NFC) ISO14443A tag was found:\n");
printf(" ATQA (SENS_RES): ");
print_hex(nt.nti.nai.abtAtqa, 2);
printf(" UID (NFCID%c): ", (nt.nti.nai.abtUid[0] == 0x08 ? '3' : '1'));
print_hex(nt.nti.nai.abtUid, nt.nti.nai.szUidLen);
printf(" SAK (SEL_RES): ");
print_hex(&nt.nti.nai.btSak, 1);
if (nt.nti.nai.szAtsLen) {
printf(" ATS (ATR): ");
print_hex(nt.nti.nai.abtAts, nt.nti.nai.szAtsLen);
}
}
// Close NFC device
nfc_close(pnd);
// Release the context
nfc_exit(context);
return EXIT_SUCCESS;
}
void TagInit(ReaderTag *rt){
nfc_init(&rt->context);
if (rt->context == NULL) {
ERR("Unable to init libnfc (malloc)");
exit(EXIT_FAILURE);
}
// Try to open the NFC device
rt->device = nfc_open(rt->context, NULL);
if (rt->device == NULL) {
ERR("Error opening NFC device");
nfc_exit(rt->context);
exit(EXIT_FAILURE);
}
if (nfc_initiator_init(rt->device) < 0) {
nfc_perror(rt->device, "nfc_initiator_init");
nfc_close(rt->device);
nfc_exit(rt->context);
exit(EXIT_FAILURE);
}
// Scan until the cows come home, or the tag, which ever comes first.
if (nfc_device_set_property_bool(rt->device, NP_INFINITE_SELECT, true) < 0) {
nfc_perror(rt->device, "nfc_device_set_property_bool");
nfc_close(rt->device);
nfc_exit(rt->context);
exit(EXIT_FAILURE);
}
printf("NFC device: %s opened\n", nfc_device_get_name(rt->device));
printf("\nWaiting for tag\n");
// Try to find a MIFARE Ultralight tag
if (nfc_initiator_select_passive_target(rt->device, nmMifare, NULL, 0, &rt->nt) <= 0) {
ERR("no tag was found\n");
nfc_close(rt->device);
nfc_exit(rt->context);
exit(EXIT_FAILURE);
}
// Test if we are dealing with a MIFARE compatible tag
if (rt->nt.nti.nai.abtAtqa[1] != 0x44) {
ERR("tag is not a MIFARE Ultralight card\n");
nfc_close(rt->device);
nfc_exit(rt->context);
exit(EXIT_FAILURE);
}
// Get the info from the current tag
printf("Found MIFARE Ultralight card with UID: ");
size_t szPos;
for (szPos = 0; szPos < rt->nt.nti.nai.szUidLen; szPos++) {
printf("%02x", rt->nt.nti.nai.abtUid[szPos]);
}
printf("\n");
}
silvia_nfc_card_monitor::silvia_nfc_card_monitor()
{
nfc_init(&context);
device = nfc_open(context, NULL);
if (device != NULL)
{
nfc_initiator_init(device);
}
}
/*
* call-seq:
* connect
*
* Connect to the NFC device
*/
static VALUE connect(VALUE klass)
{
nfc_device_t * dev = nfc_open(NULL);
if(!dev)
rb_raise(rb_eRuntimeError, "could not find NFC device");
if(!nfc_initiator_init(dev))
rb_raise(rb_eRuntimeError, "oh snap, could not init");
return Data_Wrap_Struct(klass, 0, 0, dev);
}
int
main(int argc, const char *argv[])
{
nfc_device *pnd;
nfc_target nt;
nfc_context *context;
nfc_init(&context);
if (context == NULL) {
printf("Unable to init libnfc (malloc)\n");
exit(EXIT_FAILURE);
}
const char *acLibnfcVersion = nfc_version();
(void)argc;
printf("%s uses libnfc %s\n", argv[0], acLibnfcVersion);
pnd = nfc_open(context, NULL);
if (pnd == NULL) {
printf("ERROR: %s\n", "Unable to open NFC device.");
exit(EXIT_FAILURE);
}
if (nfc_initiator_init(pnd) < 0) {
nfc_perror(pnd, "nfc_initiator_init");
exit(EXIT_FAILURE);
}
printf("NFC reader: %s opened\n", nfc_device_get_name(pnd));
for( ; ; ){
const nfc_modulation nmMifare = {
.nmt = NMT_ISO14443A,
.nbr = NBR_106,
};
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) > 0) {
printf("The following (NFC) ISO14443A tag was found:\n");
printf(" ATQA (SENS_RES): ");
print_hex(nt.nti.nai.abtAtqa, 2);
printf(" UID (NFCID%c): ", (nt.nti.nai.abtUid[0] == 0x08 ? '3' : '1'));
print_hex(nt.nti.nai.abtUid, nt.nti.nai.szUidLen);
printf(" SAK (SEL_RES): ");
print_hex(&nt.nti.nai.btSak, 1);
if (nt.nti.nai.szAtsLen) {
printf(" ATS (ATR): ");
print_hex(nt.nti.nai.abtAts, nt.nti.nai.szAtsLen);
}
sleep(3);
}
}
nfc_close(pnd);
nfc_exit(context);
exit(EXIT_SUCCESS);
}
nfc_device *rfid_init(void) {
nfc_init(&nfc_ctx);
if(!nfc_ctx) {
log("initializing libnfc failed");
return NULL;
}
door_aid = mifare_desfire_aid_new(0x2305CA);
nfc_connstring devices[NFC_MAX_DEVICES];
int device_count = nfc_list_devices(nfc_ctx, devices, NFC_MAX_DEVICES);
if(device_count <= 0) {
log("no NFC devices found");
return NULL;
}
log("found %u NFC devices:", device_count);
for(int i = 0; i < device_count; i++)
log(" - %s", devices[i]);
int selected_device = -1;
const char *conf_connstring = getenv("RFID_CONNSTRING");
if(conf_connstring) {
for(int i = 0; i < device_count; i++)
if(strstr(devices[i], conf_connstring)) {
selected_device = i;
break;
}
} else {
log("no connection string supplied, using first device");
selected_device = 0;
}
if(selected_device == -1) {
log("could not find requested device");
return NULL;
}
log("using device %s", devices[selected_device]);
nfc_device *dev = nfc_open(nfc_ctx, devices[selected_device]);
if(!dev) {
log("opening NFC device failed");
return NULL;
}
if(nfc_initiator_init(dev) < 0) {
nfc_perror(dev, "configuring NFC device as initiator failed");
return NULL;
}
return dev;
}
int
main(int argc, const char *argv[])
{
system("clear");
nfc_device *pnd;
nfc_target nt;
// Allocate only a pointer to nfc_context
nfc_context *context;
// Initialize libnfc and set the nfc_context
nfc_init(&context);
// Display libnfc version
const char *acLibnfcVersion = nfc_version();
printf("%s uses libnfc %s\n", argv[0], acLibnfcVersion);
// Open, using the first available NFC device.
pnd = nfc_open(context, NULL);
if (pnd == NULL) {
warnx("ERROR: %s", "Unable to open NFC device.");
return EXIT_FAILURE;
}
// Set opened NFC device to initiator mode
if (nfc_initiator_init(pnd) < 0) {
nfc_perror(pnd, "nfc_initiator_init");
exit(EXIT_FAILURE);
}
printf("NFC reader: %s opened\n", nfc_device_get_name(pnd));
printf("...\n", nfc_device_get_name(pnd));
while (true){
// Poll for a ISO14443A (MIFARE) tag
const nfc_modulation nmMifare = {
.nmt = NMT_ISO14443A,
.nbr = NBR_106,
};
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) > 0) {
print_hex(nt.nti.nai.abtUid, nt.nti.nai.szUidLen);
}
sleep(1);
}
// Close NFC device
nfc_close(pnd);
// Release the context
nfc_exit(context);
return EXIT_SUCCESS;
}
void nfcInitListen() {
const char *acLibnfcVersion = nfc_version();
pnd = nfc_open(context, NULL);
if (pnd == NULL) {
printf("ERROR: %s", "Unable to open NFC device.");
exit(EXIT_FAILURE);
}
if (nfc_initiator_init(pnd) < 0) {
nfc_perror(pnd, "nfc_initiator_init");
exit(EXIT_FAILURE);
}
printf("NFC reader: %s opened\n", nfc_device_get_name(pnd));
}
int
main (int argc, const char *argv[])
{
nfc_device *pnd;
nfc_target nt;
nfc_init (NULL);
// Display libnfc version
const char *acLibnfcVersion = nfc_version ();
printf ("%s uses libnfc %s\n", argv[0], acLibnfcVersion);
// Open, using the first available NFC device
pnd = nfc_open (NULL, NULL);
if (pnd == NULL) {
ERR ("%s", "Unable to open NFC device.");
return EXIT_FAILURE;
}
// Set opened NFC device to initiator mode
if (nfc_initiator_init (pnd) < 0) {
nfc_perror (pnd, "nfc_initiator_init");
exit (EXIT_FAILURE);
}
printf ("NFC reader: %s opened\n", nfc_device_get_name (pnd));
// Poll for a ISO14443A (MIFARE) tag
const nfc_modulation nmMifare = {
.nmt = NMT_ISO14443A,
.nbr = NBR_106,
};
if (nfc_initiator_select_passive_target (pnd, nmMifare, NULL, 0, &nt) > 0) {
printf ("The following (NFC) ISO14443A tag was found:\n");
printf (" ATQA (SENS_RES): ");
print_hex (nt.nti.nai.abtAtqa, 2);
printf (" UID (NFCID%c): ", (nt.nti.nai.abtUid[0] == 0x08 ? '3' : '1'));
print_hex (nt.nti.nai.abtUid, nt.nti.nai.szUidLen);
printf (" SAK (SEL_RES): ");
print_hex (&nt.nti.nai.btSak, 1);
if (nt.nti.nai.szAtsLen) {
printf (" ATS (ATR): ");
print_hex (nt.nti.nai.abtAts, nt.nti.nai.szAtsLen);
}
}
// Close NFC device
nfc_close (pnd);
nfc_exit (NULL);
return EXIT_SUCCESS;
}
int
main(int argc, const char *argv[])
{
nfc_device *pnd;
nfc_target nt;
// Allocate only a pointer to nfc_context
nfc_context *context;
// Initialize libnfc and set the nfc_context
nfc_init(&context);
if (context == NULL) {
exit(EXIT_FAILURE);
}
// Display libnfc version
const char *acLibnfcVersion = nfc_version();
(void)argc;
// Open, using the first available NFC device which can be in order of selection:
// - default device specified using environment variable or
// - first specified device in libnfc.conf (/etc/nfc) or
// - first specified device in device-configuration directory (/etc/nfc/devices.d) or
// - first auto-detected (if feature is not disabled in libnfc.conf) device
pnd = nfc_open(context, NULL);
if (pnd == NULL) {
exit(EXIT_FAILURE);
}
// Set opened NFC device to initiator mode
if (nfc_initiator_init(pnd) < 0) {
nfc_perror(pnd, "nfc_initiator_init");
exit(EXIT_FAILURE);
}
// Poll for a ISO14443A (MIFARE) tag
nfc_modulation nmMifare;
nmMifare.nmt = NMT_ISO14443A;
nmMifare.nbr = NBR_106;
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) > 0)
print_hex(nt.nti.nai.abtUid, nt.nti.nai.szUidLen);
// Close NFC device
nfc_close(pnd);
// Release the context
nfc_exit(context);
exit(EXIT_SUCCESS);
}
int main(int argc, const char *argv[]) {
pinMode(LED_R, OUTPUT); // Set PWM LED as PWM output
pinMode(LED_G, OUTPUT); // Set regular LED as output
pinMode(LED_B, OUTPUT);
pinMode(DOOR, OUTPUT); //tür öffner
// nfc initiiere
nfc_init(&context);
if (context == NULL) {
printf("ERROR: fehler beim dev init\n");
exit(EXIT_FAILURE);
}
while (true) {
doorCode = 0;
// öffnet verbindung zum token
pnd = nfc_open(context, NULL);
led(1,1,0); //Gelb an
if (pnd == NULL) {
printf("ERROR: fehler beim öffnen.\n");
exit(EXIT_FAILURE);
}
if (nfc_initiator_init(pnd) < 0) {
nfc_perror(pnd, "nfc_initiator_init");
exit(EXIT_FAILURE);
}
const nfc_modulation nmMifare = {
.nmt = NMT_ISO14443A,
.nbr = NBR_106,
};
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) > 0) {
toTokenKey(nt.nti.nai.abtUid);
printf("%s\n",tokenKey);
checkToken();
}
// TODO checken ob offen ist oder nicht um dann blau oder black zu zeigen
nfc_close(pnd);
}
nfc_exit(context);
exit(EXIT_SUCCESS);
}
//Not really useful for now but will be more interesting when we'll handle multiple devices
nfc_device *edgehog_nfc_get_reader_device(nfc_context* context, const nfc_connstring conn_string)
{
nfc_device *pnd = nfc_open(context, conn_string);
if(pnd == NULL)
{
return NULL;
}
if (nfc_initiator_init(pnd) < 0)
{
//NOTE: free pnd ?
return NULL;
}
return pnd;
}
int main(int argc, const char *argv[])
{
nfc_device *pnd;
nfc_target nt;
nfc_context *context;
nfc_init(&context);
if(context == NULL) {
printf("unable to init (malloc)\n");
exit(EXIT_FAILURE);
}
pnd = nfc_open(context, NULL);
if (pnd == NULL) {
printf("ERROR: %s\n", "Unable to open NFC Device.");
exit(EXIT_FAILURE);
}
if (nfc_initiator_init(pnd) < 0) {
nfc_perror(pnd, "nfc_initiator_init");
exit(EXIT_FAILURE);
}
printf("NFC reader: %s opened\n", nfc_device_get_name(pnd));
const nfc_modulation nmMifare = {
.nmt = NMT_ISO14443A,
.nbr = NBR_106,
};
for(int i = 0; i < 24; i++) {
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) > 0) {
printf("The following (NFC) card was found:\n");
print_card(nt.nti.nai.abtUid, nt.nti.nai.szUidLen);
}
while (0 == nfc_initiator_target_is_present(pnd, NULL)){}
}
nfc_close(pnd);
nfc_exit(context);
exit(EXIT_SUCCESS);
}
bool silvia_nfc_card_monitor::wait_for_card(silvia_nfc_card** card)
{
assert(card != NULL);
if (device == NULL)
{
device = nfc_open(context, NULL);
if (device == NULL)
{
return false;
}
nfc_initiator_init(device);
}
// CAVEAT: only tested with PN533
const nfc_modulation modulation = { NMT_ISO14443A, NBR_106 };
// Poll for a card
int rv = 0;
nfc_target target;
while ((rv = nfc_initiator_select_passive_target(device, modulation, NULL, 0, &target)) == 0)
{
usleep(10000);
}
if (rv < 0)
{
return false;
}
*card = new silvia_nfc_card(device, target, "NFC reader");
return true;
}
static VALUE open_dev(VALUE self, VALUE name)
{
nfc_context * ctx;
nfc_device * dev;
VALUE device;
Data_Get_Struct(self, nfc_context, ctx);
if (NIL_P(name)) {
dev = nfc_open(ctx, NULL);
} else {
dev = nfc_open(ctx, StringValuePtr(name));
}
if (NULL == dev)
rb_raise(rb_eRuntimeError, "Unable to open the device");
if(nfc_initiator_init(dev) < 0)
rb_raise(rb_eRuntimeError, "Could not initialize device");
device = Data_Wrap_Struct(cNfcDevice, 0, nfc_close, dev);
rb_iv_set(device, "@context", self);
return device;
}
int
main (int argc, char *argv[])
{
int arg;
// Get commandline options
for (arg = 1; arg < argc; arg++) {
if (0 == strcmp (argv[arg], "-h")) {
print_usage (argv);
exit(EXIT_SUCCESS);
} else if (0 == strcmp (argv[arg], "-q")) {
quiet_output = true;
} else {
ERR ("%s is not supported option.", argv[arg]);
print_usage (argv);
exit(EXIT_FAILURE);
}
}
// Try to open the NFC reader
pnd = nfc_connect (NULL);
if (!pnd) {
printf ("Error connecting NFC reader\n");
exit(EXIT_FAILURE);
}
// Initialise NFC device as "initiator"
nfc_initiator_init (pnd);
// Drop the field for a while
if (!nfc_configure (pnd, NDO_ACTIVATE_FIELD, false)) {
nfc_perror (pnd, "nfc_configure");
exit (EXIT_FAILURE);
}
// Configure the CRC
if (!nfc_configure (pnd, NDO_HANDLE_CRC, false)) {
nfc_perror (pnd, "nfc_configure");
exit (EXIT_FAILURE);
}
// Configure parity settings
if (!nfc_configure (pnd, NDO_HANDLE_PARITY, true)) {
nfc_perror (pnd, "nfc_configure");
exit (EXIT_FAILURE);
}
// Use raw send/receive methods
if (!nfc_configure (pnd, NDO_EASY_FRAMING, false)) {
nfc_perror (pnd, "nfc_configure");
exit (EXIT_FAILURE);
}
// Disable 14443-4 autoswitching
if (!nfc_configure (pnd, NDO_AUTO_ISO14443_4, false)) {
nfc_perror (pnd, "nfc_configure");
exit (EXIT_FAILURE);
}
// Force 14443-A mode
if (!nfc_configure (pnd, NDO_FORCE_ISO14443_A, true)) {
nfc_perror (pnd, "nfc_configure");
exit (EXIT_FAILURE);
}
// Enable field so more power consuming cards can power themselves up
if (!nfc_configure (pnd, NDO_ACTIVATE_FIELD, true)) {
nfc_perror (pnd, "nfc_configure");
exit (EXIT_FAILURE);
}
printf ("Connected to NFC reader: %s\n\n", pnd->acName);
// Send the 7 bits request command specified in ISO 14443A (0x26)
if (!transmit_bits (abtReqa, 7)) {
printf ("Error: No tag available\n");
nfc_disconnect (pnd);
return 1;
}
memcpy (abtAtqa, abtRx, 2);
// Anti-collision
transmit_bytes (abtSelectAll, 2);
// Check answer
if ((abtRx[0] ^ abtRx[1] ^ abtRx[2] ^ abtRx[3] ^ abtRx[4]) != 0) {
printf("WARNING: BCC check failed!\n");
}
// Save the UID CL1
memcpy (abtRawUid, abtRx, 4);
//Prepare and send CL1 Select-Command
memcpy (abtSelectTag + 2, abtRx, 5);
iso14443a_crc_append (abtSelectTag, 7);
transmit_bytes (abtSelectTag, 9);
abtSak = abtRx[0];
// Test if we are dealing with a CL2
if (abtSak & CASCADE_BIT) {
szCL = 2;//or more
// Check answer
if (abtRawUid[0] != 0x88) {
printf("WARNING: Cascade bit set but CT != 0x88!\n");
}
}
if(szCL == 2) {
// We have to do the anti-collision for cascade level 2
// Prepare CL2 commands
abtSelectAll[0] = 0x95;
// Anti-collision
transmit_bytes (abtSelectAll, 2);
// Check answer
if ((abtRx[0] ^ abtRx[1] ^ abtRx[2] ^ abtRx[3] ^ abtRx[4]) != 0) {
printf("WARNING: BCC check failed!\n");
}
// Save UID CL2
memcpy (abtRawUid + 4, abtRx, 4);
// Selection
abtSelectTag[0] = 0x95;
memcpy (abtSelectTag + 2, abtRx, 5);
iso14443a_crc_append (abtSelectTag, 7);
transmit_bytes (abtSelectTag, 9);
abtSak = abtRx[0];
// Test if we are dealing with a CL3
if (abtSak & CASCADE_BIT) {
szCL = 3;
// Check answer
if (abtRawUid[0] != 0x88) {
printf("WARNING: Cascade bit set but CT != 0x88!\n");
}
}
if ( szCL == 3) {
// We have to do the anti-collision for cascade level 3
// Prepare and send CL3 AC-Command
abtSelectAll[0] = 0x97;
transmit_bytes (abtSelectAll, 2);
// Check answer
if ((abtRx[0] ^ abtRx[1] ^ abtRx[2] ^ abtRx[3] ^ abtRx[4]) != 0) {
printf("WARNING: BCC check failed!\n");
}
// Save UID CL3
memcpy (abtRawUid + 8, abtRx, 4);
// Prepare and send final Select-Command
abtSelectTag[0] = 0x97;
memcpy (abtSelectTag + 2, abtRx, 5);
iso14443a_crc_append (abtSelectTag, 7);
transmit_bytes (abtSelectTag, 9);
abtSak = abtRx[0];
}
}
// Request ATS, this only applies to tags that support ISO 14443A-4
if (abtRx[0] & SAK_FLAG_ATS_SUPPORTED) {
iso14443a_crc_append(abtRats, 2);
transmit_bytes (abtRats, 4);
}
// Done, halt the tag now
iso14443a_crc_append(abtHalt, 2);
transmit_bytes (abtHalt, 4);
printf ("\nFound tag with\n UID: ");
switch (szCL) {
case 1:
printf ("%02x%02x%02x%02x", abtRawUid[0], abtRawUid[1], abtRawUid[2], abtRawUid[3]);
break;
case 2:
printf ("%02x%02x%02x", abtRawUid[1], abtRawUid[2], abtRawUid[3]);
printf ("%02x%02x%02x%02x", abtRawUid[4], abtRawUid[5], abtRawUid[6], abtRawUid[7]);
break;
case 3:
printf ("%02x%02x%02x", abtRawUid[1], abtRawUid[2], abtRawUid[3]);
printf ("%02x%02x%02x", abtRawUid[5], abtRawUid[6], abtRawUid[7]);
printf ("%02x%02x%02x%02x", abtRawUid[8], abtRawUid[9], abtRawUid[10], abtRawUid[11]);
break;
}
printf("\n");
printf("ATQA: %02x%02x\n SAK: %02x\n", abtAtqa[1], abtAtqa[0], abtSak);
nfc_disconnect (pnd);
return 0;
}
int main(int argc, char **argv) {
nfc_device *pnd;
nfc_target nt;
// Allocate only a pointer to nfc_context
nfc_context *context;
byte_t abtRx[MAX_FRAME_LEN];
byte_t abtTx[MAX_FRAME_LEN];
size_t szRx = sizeof(abtRx);
size_t szTx;
byte_t START_14443A[] = {0x4A, 0x01, 0x00};
byte_t SELECT_APP[] = {0x40,0x01,0x00,0xA4,0x04,0x00,0x07,0xA0,0x00,0x00,0x00,0x42,0x10,0x10,0x00};
byte_t READ_RECORD_VISA[] = {0x40, 0x01, 0x00, 0xB2, 0x02, 0x0C, 0x00, 0x00};
byte_t READ_RECORD_MC[] = {0x40, 0x01, 0x00, 0xB2, 0x01, 0x14, 0x00, 0x00};
byte_t READ_PAYLOG_VISA[] = {0x40, 0x01, 0x00, 0xB2, 0x01, 0x8C, 0x00, 0x00};
byte_t READ_PAYLOG_MC[] = {0x40, 0x01, 0x00, 0xB2, 0x01, 0x5C, 0x00, 0x00};
unsigned char *res, output[50], c, amount[10],msg[100];
unsigned int i, j, expiry;
// Initialize the libnfc and set the nfc_context
nfc_init(&context);
if (context == NULL) {
printf("Unable to init libnfc(malloc)\n");
return 1;
}typedef unsigned char byte;
// Open first available device
pnd = nfc_open(context, NULL);
if (pnd == NULL) {
printf("Unable to connect to NFC device.\n");
return(1);
}
//printf("Connected to NFC reader: %s\n", pnd->acName);
nfc_initiator_init(pnd);
while(1) {
szRx = sizeof(abtRx);
if (!nfc_initiator_transceive_bytes(pnd, START_14443A, sizeof(START_14443A), abtRx, szRx, 0)) {
nfc_perror(pnd, "START_14443A");
return(1);
}
//show(szRx, abtRx);
szRx = sizeof(abtRx);
if (!nfc_initiator_transceive_bytes(pnd, SELECT_APP, sizeof(SELECT_APP), abtRx, szRx, 0)) {
nfc_perror(pnd, "SELECT_APP");
return(1);
}
//show(szRx, abtRx);
szRx = sizeof(abtRx);
if (!nfc_initiator_transceive_bytes(pnd, READ_RECORD_VISA, sizeof(READ_RECORD_VISA), abtRx, szRx, 0)) {
nfc_perror(pnd, "READ_RECORD");
return(1);
}
//show(szRx, abtRx);
/* Look for cardholder name */
res = abtRx;
for(i=0;i<(unsigned int) szRx-1;i++) {
if(*res==0x5f&&*(res+1)==0x20) {
strncpy(output, res+3, (int) *(res+2));
output[(int) *(res+2)]=0;
printf("Cardholder name: %s\n",output);
break;
}
res++;
}
/* Look for PAN & Expiry date */
res = abtRx;
for(i=0;i<(unsigned int) szRx-1;i++) {
if(*res==0x4d&&*(res+1)==0x57) {
strncpy(output, res+3, 13);
output[11]=0;
printf("PAN:");
for(j=0;j<8;j++) {
if(j%2==0) printf(" ");
c=output[j];
if(MASKED&j>=2&j<=5) {
printf("**");
}
else {
printf("%02x",c&0xff);
}
}
printf("\n");
expiry = (output[10]+(output[9]<<8)+(output[8]<<16))>>4;
printf("Expiration date: %02x/20%02x\n\n",(expiry&0xff),((expiry>>8)&0xff));
break;
}
res++;
}
szRx = sizeof(abtRx);
if (!nfc_initiator_transceive_bytes(pnd, READ_RECORD_MC, sizeof(READ_RECORD_MC), abtRx, szRx, 0)) {
nfc_perror(pnd, "READ_RECORD");
return(1);
}
//show(szRx, abtRx);
/* Look for cardholder name */
res = abtRx;
for(i=0;i<(unsigned int) szRx-1;i++) {
if(*res==0x5f&&*(res+1)==0x20) {
strncpy(output, res+3, (int) *(res+2));
output[(int) *(res+2)]=0;
printf("Cardholder name: %s\n",output);
break;
}
res++;
}
/* Look for PAN & Expiry date */
res = abtRx;
for(i=0;i<(unsigned int) szRx-1;i++) {
if(*res==0x9c&&*(res+1)==0x57) {
strncpy(output, res+3, 13);
output[11]=0;
printf("PAN:");
for(j=0;j<8;j++) {
if(j%2==0) printf(" ");
c=output[j];
if(MASKED&j>=2&j<=5) {
printf("**");
}
else {
printf("%02x",c&0xff);
}
}
printf("\n");
expiry = (output[10]+(output[9]<<8)+(output[8]<<16))>>4;
printf("Expiration date: %02x/20%02x\n\n",(expiry&0xff),((expiry>>8)&0xff));
break;
}
res++;
}
/*
* Get a list of the MIFARE targets near to the provided NFC initiator.
*
* The list has to be freed using the freefare_free_tags() function.
*/
MifareTag *
freefare_get_tags (nfc_device_t *device)
{
MifareTag *tags = NULL;
int tag_count = 0;
nfc_initiator_init(device);
// Drop the field for a while
nfc_configure(device,NDO_ACTIVATE_FIELD,false);
// Let the reader only try once to find a tag
nfc_configure(device,NDO_INFINITE_SELECT,false);
// Configure the CRC and Parity settings
nfc_configure(device,NDO_HANDLE_CRC,true);
nfc_configure(device,NDO_HANDLE_PARITY,true);
// Enable field so more power consuming cards can power themselves up
nfc_configure(device,NDO_ACTIVATE_FIELD,true);
// Poll for a ISO14443A (MIFARE) tag
nfc_target_info_t target_info;
tags = malloc(sizeof (void *));
if(!tags) return NULL;
tags[0] = NULL;
while (nfc_initiator_select_passive_target(device,NM_ISO14443A_106,NULL,0,&target_info)) {
bool found = false;
struct supported_tag *tag_info;
for (size_t i = 0; i < sizeof (supported_tags) / sizeof (struct supported_tag); i++) {
if (((target_info.nai.szUidLen == 4) || (target_info.nai.abtUid[0] == NXP_MANUFACTURER_CODE)) &&
(target_info.nai.btSak == supported_tags[i].SAK) &&
(target_info.nai.szAtsLen == supported_tags[i].ATS_length) &&
(0 == memcmp (target_info.nai.abtAts, supported_tags[i].ATS, supported_tags[i].ATS_length))) {
tag_info = &(supported_tags[i]);
found = true;
break;
}
}
if (!found)
goto deselect;
tag_count++;
/* (Re)Allocate memory for the found MIFARE targets array */
MifareTag *p = realloc (tags, (tag_count + 1) * sizeof (MifareTag));
if (p)
tags = p;
else
return tags; // FAIL! Return what has been found so far.
/* Allocate memory for the found MIFARE target */
switch (tag_info->type) {
case CLASSIC_1K:
case CLASSIC_4K:
tags[tag_count-1] = mifare_classic_tag_new ();
break;
case DESFIRE:
tags[tag_count-1] = mifare_desfire_tag_new (0); //JIM
break;
case ULTRALIGHT:
tags[tag_count-1] = mifare_ultralight_tag_new ();
break;
}
if (!tags[tag_count-1])
return tags; // FAIL! Return what has been found before.
/*
* Initialize common fields
* (Target specific fields are initialized in mifare_*_tag_new())
*/
(tags[tag_count-1])->device = device;
(tags[tag_count-1])->info = target_info.nai;
(tags[tag_count-1])->active = 0;
(tags[tag_count-1])->tag_info = tag_info;
tags[tag_count] = NULL;
deselect:
nfc_initiator_deselect_target (device);
}
return tags;
}
int
main(int argc, char *argv[])
{
int arg;
const char *acLibnfcVersion = nfc_version();
nfc_target ntRealTarget;
// Get commandline options
for (arg = 1; arg < argc; arg++) {
if (0 == strcmp(argv[arg], "-h")) {
print_usage(argv);
exit(EXIT_SUCCESS);
} else if (0 == strcmp(argv[arg], "-q")) {
quiet_output = true;
} else if (0 == strcmp(argv[arg], "-t")) {
printf("INFO: %s\n", "Target mode only.");
initiator_only_mode = false;
target_only_mode = true;
} else if (0 == strcmp(argv[arg], "-i")) {
printf("INFO: %s\n", "Initiator mode only.");
initiator_only_mode = true;
target_only_mode = false;
} else if (0 == strcmp(argv[arg], "-s")) {
printf("INFO: %s\n", "Swapping devices.");
swap_devices = true;
} else if (0 == strcmp(argv[arg], "-n")) {
if (++arg == argc || (sscanf(argv[arg], "%10i", &waiting_time) < 1)) {
ERR("Missing or wrong waiting time value: %s.", argv[arg]);
print_usage(argv);
exit(EXIT_FAILURE);
}
printf("Waiting time: %i secs.\n", waiting_time);
} else {
ERR("%s is not supported option.", argv[arg]);
print_usage(argv);
exit(EXIT_FAILURE);
}
}
// Display libnfc version
printf("%s uses libnfc %s\n", argv[0], acLibnfcVersion);
#ifdef WIN32
signal(SIGINT, (void (__cdecl *)(int)) intr_hdlr);
#else
signal(SIGINT, intr_hdlr);
#endif
nfc_context *context;
nfc_init(&context);
if (context == NULL) {
ERR("Unable to init libnfc (malloc)");
exit(EXIT_FAILURE);
}
nfc_connstring connstrings[MAX_DEVICE_COUNT];
// List available devices
size_t szFound = nfc_list_devices(context, connstrings, MAX_DEVICE_COUNT);
if (initiator_only_mode || target_only_mode) {
if (szFound < 1) {
ERR("No device found");
nfc_exit(context);
exit(EXIT_FAILURE);
}
if ((fd3 = fdopen(3, "r")) == NULL) {
ERR("Could not open file descriptor 3");
nfc_exit(context);
exit(EXIT_FAILURE);
}
if ((fd4 = fdopen(4, "r")) == NULL) {
ERR("Could not open file descriptor 4");
nfc_exit(context);
exit(EXIT_FAILURE);
}
} else {
if (szFound < 2) {
ERR("%" PRIdPTR " device found but two opened devices are needed to relay NFC.", szFound);
nfc_exit(context);
exit(EXIT_FAILURE);
}
}
if (!target_only_mode) {
// Try to open the NFC reader used as initiator
// Little hack to allow using initiator no matter if
// there is already a target used locally or not on the same machine:
// if there is more than one readers opened we open the second reader
// (we hope they're always detected in the same order)
if ((szFound == 1) || swap_devices) {
pndInitiator = nfc_open(context, connstrings[0]);
} else {
pndInitiator = nfc_open(context, connstrings[1]);
}
if (pndInitiator == NULL) {
printf("Error opening NFC reader\n");
nfc_exit(context);
exit(EXIT_FAILURE);
}
printf("NFC reader device: %s opened\n", nfc_device_get_name(pndInitiator));
if (nfc_initiator_init(pndInitiator) < 0) {
printf("Error: fail initializing initiator\n");
nfc_close(pndInitiator);
nfc_exit(context);
exit(EXIT_FAILURE);
}
// Try to find a ISO 14443-4A tag
nfc_modulation nm = {
.nmt = NMT_ISO14443A,
.nbr = NBR_106,
};
if (nfc_initiator_select_passive_target(pndInitiator, nm, NULL, 0, &ntRealTarget) <= 0) {
printf("Error: no tag was found\n");
nfc_close(pndInitiator);
nfc_exit(context);
exit(EXIT_FAILURE);
}
printf("Found tag:\n");
print_nfc_target(&ntRealTarget, false);
if (initiator_only_mode) {
if (print_hex_fd4(ntRealTarget.nti.nai.abtUid, ntRealTarget.nti.nai.szUidLen, "UID") < 0) {
fprintf(stderr, "Error while printing UID to FD4\n");
nfc_close(pndInitiator);
nfc_exit(context);
exit(EXIT_FAILURE);
}
if (print_hex_fd4(ntRealTarget.nti.nai.abtAtqa, 2, "ATQA") < 0) {
fprintf(stderr, "Error while printing ATQA to FD4\n");
nfc_close(pndInitiator);
nfc_exit(context);
exit(EXIT_FAILURE);
}
if (print_hex_fd4(&(ntRealTarget.nti.nai.btSak), 1, "SAK") < 0) {
fprintf(stderr, "Error while printing SAK to FD4\n");
nfc_close(pndInitiator);
nfc_exit(context);
exit(EXIT_FAILURE);
}
if (print_hex_fd4(ntRealTarget.nti.nai.abtAts, ntRealTarget.nti.nai.szAtsLen, "ATS") < 0) {
fprintf(stderr, "Error while printing ATS to FD4\n");
nfc_close(pndInitiator);
nfc_exit(context);
exit(EXIT_FAILURE);
}
}
}
if (initiator_only_mode) {
printf("Hint: tag <---> *INITIATOR* (relay) <-FD3/FD4-> target (relay) <---> original reader\n\n");
} else if (target_only_mode) {
printf("Hint: tag <---> initiator (relay) <-FD3/FD4-> *TARGET* (relay) <---> original reader\n\n");
} else {
printf("Hint: tag <---> initiator (relay) <---> target (relay) <---> original reader\n\n");
}
if (!initiator_only_mode) {
nfc_target ntEmulatedTarget = {
.nm = {
.nmt = NMT_ISO14443A,
.nbr = NBR_106,
},
};
if (target_only_mode) {
size_t foo;
if (scan_hex_fd3(ntEmulatedTarget.nti.nai.abtUid, &(ntEmulatedTarget.nti.nai.szUidLen), "UID") < 0) {
fprintf(stderr, "Error while scanning UID from FD3\n");
nfc_close(pndInitiator);
nfc_exit(context);
exit(EXIT_FAILURE);
}
if (scan_hex_fd3(ntEmulatedTarget.nti.nai.abtAtqa, &foo, "ATQA") < 0) {
fprintf(stderr, "Error while scanning ATQA from FD3\n");
nfc_close(pndInitiator);
nfc_exit(context);
exit(EXIT_FAILURE);
}
if (scan_hex_fd3(&(ntEmulatedTarget.nti.nai.btSak), &foo, "SAK") < 0) {
fprintf(stderr, "Error while scanning SAK from FD3\n");
nfc_close(pndInitiator);
nfc_exit(context);
exit(EXIT_FAILURE);
}
if (scan_hex_fd3(ntEmulatedTarget.nti.nai.abtAts, &(ntEmulatedTarget.nti.nai.szAtsLen), "ATS") < 0) {
fprintf(stderr, "Error while scanning ATS from FD3\n");
nfc_close(pndInitiator);
nfc_exit(context);
exit(EXIT_FAILURE);
}
} else {
ntEmulatedTarget.nti = ntRealTarget.nti;
}
// We can only emulate a short UID, so fix length & ATQA bit:
ntEmulatedTarget.nti.nai.szUidLen = 4;
ntEmulatedTarget.nti.nai.abtAtqa[1] &= (0xFF - 0x40);
// First byte of UID is always automatically replaced by 0x08 in this mode anyway
ntEmulatedTarget.nti.nai.abtUid[0] = 0x08;
// ATS is always automatically replaced by PN532, we've no control on it:
// ATS = (05) 75 33 92 03
// (TL) T0 TA TB TC
// | | | +-- CID supported, NAD supported
// | | +----- FWI=9 SFGI=2 => FWT=154ms, SFGT=1.21ms
// | +-------- DR=2,4 DS=2,4 => supports 106, 212 & 424bps in both directions
// +----------- TA,TB,TC, FSCI=5 => FSC=64
// It seems hazardous to tell we support NAD if the tag doesn't support NAD but I don't know how to disable it
// PC/SC pseudo-ATR = 3B 80 80 01 01 if there is no historical bytes
// Creates ATS and copy max 48 bytes of Tk:
uint8_t *pbtTk;
size_t szTk;
pbtTk = iso14443a_locate_historical_bytes(ntEmulatedTarget.nti.nai.abtAts, ntEmulatedTarget.nti.nai.szAtsLen, &szTk);
szTk = (szTk > 48) ? 48 : szTk;
uint8_t pbtTkt[48];
memcpy(pbtTkt, pbtTk, szTk);
ntEmulatedTarget.nti.nai.abtAts[0] = 0x75;
ntEmulatedTarget.nti.nai.abtAts[1] = 0x33;
ntEmulatedTarget.nti.nai.abtAts[2] = 0x92;
ntEmulatedTarget.nti.nai.abtAts[3] = 0x03;
ntEmulatedTarget.nti.nai.szAtsLen = 4 + szTk;
memcpy(&(ntEmulatedTarget.nti.nai.abtAts[4]), pbtTkt, szTk);
printf("We will emulate:\n");
print_nfc_target(&ntEmulatedTarget, false);
// Try to open the NFC emulator device
if (swap_devices) {
pndTarget = nfc_open(context, connstrings[1]);
} else {
pndTarget = nfc_open(context, connstrings[0]);
}
if (pndTarget == NULL) {
printf("Error opening NFC emulator device\n");
if (!target_only_mode) {
nfc_close(pndInitiator);
}
nfc_exit(context);
exit(EXIT_FAILURE);
}
printf("NFC emulator device: %s opened\n", nfc_device_get_name(pndTarget));
if (nfc_target_init(pndTarget, &ntEmulatedTarget, abtCapdu, sizeof(abtCapdu), 0) < 0) {
ERR("%s", "Initialization of NFC emulator failed");
if (!target_only_mode) {
nfc_close(pndInitiator);
}
nfc_close(pndTarget);
nfc_exit(context);
exit(EXIT_FAILURE);
}
printf("%s\n", "Done, relaying frames now!");
}
// main entry point
int main(int argc, const char *argv[])
{
init_leds();
nfc_device *device_1;
nfc_target target_1;
nfc_context *context_1;
nfc_device *device_2;
nfc_target target_2;
nfc_context *context_2;
nfc_device *device_3;
nfc_target target_3;
nfc_context *context_3;
// Initialize libnfc and set the nfc_context
nfc_init(&context_1);
nfc_init(&context_2);
nfc_init(&context_3);
if (context_1 == NULL || context_2 == NULL) || context_3 == NULL)) {
printf("Unable to init libnfc.\n");
exit(EXIT_FAILURE);
}
device_1 = nfc_open(context_1, NULL);
device_2 = nfc_open(context_1, NULL);
device_3 = nfc_open(context_2, NULL);
if (device_1 == NULL || device_2 == NULL || device_3 == NULL) {
printf("ERROR: %s\n", "Unable to open NFC device.");
exit(EXIT_FAILURE);
}
// Set opened NFC device to initiator mode
if (nfc_initiator_init(pnd) < 0) {
nfc_perror(pnd, "nfc_initiator_init");
exit(EXIT_FAILURE);
}
const char *deviceId = nfc_device_get_connstring(pnd);
printf("NFC reader: %s opened\n", nfc_device_get_name(pnd));
printf("NFC reader connstring: %s \n", deviceId);
// Poll for a ISO14443A (MIFARE) tag
const nfc_modulation nmMifare = {
.nmt = NMT_ISO14443A,
.nbr = NBR_106,
};
// get the index of the leds to flickr
int index;
index = atoi(argv[4]);
const char* url;
url = argv[3];
char body[50];
while(1){
// always make sure leds are just on properly on init of loop
// by giving an out of range index all leds will init
flash_leds(12);
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) > 0) {
printf("The following (NFC) ISO14443A tag was found:\n");
printf(" ATQA (SENS_RES): ");
print_hex(nt.nti.nai.abtAtqa, 2);
printf(" UID (NFCID%c): ", (nt.nti.nai.abtUid[0] == 0x08 ? '3' : '1'));
print_hex(nt.nti.nai.abtUid, nt.nti.nai.szUidLen);
printf(" SAK (SEL_RES): ");
print_hex(&nt.nti.nai.btSak, 1);
if (nt.nti.nai.szAtsLen) {
printf(" ATS (ATR): ");
print_hex(nt.nti.nai.abtAts, nt.nti.nai.szAtsLen);
}
// convert the tag into human readable format to work with
char usertagid[20]="";
size_t szPos;
for(szPos=0; szPos<nt.nti.nai.szUidLen;szPos++){
sprintf(usertagid + strlen(usertagid), "%02x", nt.nti.nai.abtUid[szPos]);
}
// logging
printf("tag found w/ id \"%s\"\n", usertagid);
printf("writing to file \"%s\"", argv[2]);
flash_leds(index);
usleep(60*1000);
flash_leds(12);
usleep(60*1000);
flash_leds(index);
usleep(60*1000);
flash_leds(12);
// get time
//struct timeval tv;
//gettimeofday(&tv,NULL);
//tv.tv_sec // seconds
//tv.tv_usec // microseconds
int ctime;
ctime = ((unsigned)time(NULL))*1000; // convert to ms
// write that tag to the file arg
// TODO write all params so we can use this as a backup in case of no network
FILE *file;
file = fopen(argv[2],"a+"); /* apend file (add text to
a file or create a file if it does not exist.*/
fprintf(file,"%d;%s\n",ctime, usertagid); /*writes*/
fclose(file); /*done!*/
CURL *curl;
CURLcode res;
/* get a curl handle */
curl = curl_easy_init();
if(curl) {
/* First set the URL that is about to receive our POST. This URL can
just as well be a https:// URL if that is what should receive the
data. */
curl_easy_setopt(curl, CURLOPT_URL, url);
http://stackoverflow.com/questions/11444583/command-line-curl-timeout-parameter
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 2);
/* Now specify the POST data */
// prepare the body
// timestamp and other fields to be added here instead of this sample data
sprintf( body, "timestamp=%d&tagId=%s&%s", ctime, usertagid, argv[5]);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, body);
// logging posting to
printf("posting to url [%s] with body [%s]", url, body);
/* Perform the request, res will get the return code */
res = curl_easy_perform(curl);
/* Check for errors */
if(res != CURLE_OK)
fprintf(stderr, "curl_easy_perform() failed: %s\n",
curl_easy_strerror(res));
/* always cleanup */
curl_easy_cleanup(curl);
}
} // end of found target if
// add some wait time here, sleep expects seconds
// check usleep, should work with microseconds instead
usleep(100);
}// end of loop
// Close NFC device
nfc_close(pnd);
// Release the context
nfc_exit(context);
exit(EXIT_SUCCESS);
}
int
main(int argc, const char *argv[])
{
nfc_device *pnd;
nfc_target nt;
nfc_context *context;
nfc_init(&context);
printf("\nRunning checks...\n");
if (context == NULL) {
printf("Unable to init libnfc (malloc)\n");
exit(EXIT_FAILURE);
}
const char *acLibnfcVersion = nfc_version();
(void)argc;
printf("%s uses libnfc %s\n", argv[0], acLibnfcVersion);
pnd = nfc_open(context, NULL);
if (pnd == NULL) {
printf("ERROR: %s", "Unable to open NFC device.");
exit(EXIT_FAILURE);
}
if (nfc_initiator_init(pnd) < 0) {
nfc_perror(pnd, "nfc_initiator_init");
exit(EXIT_FAILURE);
}
printf("NFC reader: %s opened\n", nfc_device_get_name(pnd));
const nfc_modulation nmMifare = {
.nmt = NMT_ISO14443A,
.nbr = NBR_106,
};
// nfc_set_property_bool(pnd, NP_AUTO_ISO14443_4, true);
printf("Polling for target...\n");
while (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) <= 0);
printf("Target detected! Running command set...\n\n");
uint8_t capdu[264];
size_t capdulen;
uint8_t rapdu[264];
size_t rapdulen;
// Select application
memcpy(capdu, "\x00\xA4\x04\x00\x07\xF0\x39\x41\x48\x14\x81\x00\x00", 13);
capdulen=13;
rapdulen=sizeof(rapdu);
printf("Sending ADPU SELECT...\n");
if (CardTransmit(pnd, capdu, capdulen, rapdu, &rapdulen) < 0) {
exit(EXIT_FAILURE);
}
if (rapdulen < 2 || rapdu[rapdulen-2] != 0x90 || rapdu[rapdulen-1] != 0x00) {
exit(EXIT_FAILURE);
}
printf("Application selected!\n\n");
// Select Capability Container
memcpy(capdu, "\x00\xa4\x00\x0c\x02\xe1\x03", 7);
capdulen=7;
rapdulen=sizeof(rapdu);
printf("Sending CC SELECT...\n");
if (CardTransmit(pnd, capdu, capdulen, rapdu, &rapdulen) < 0)
exit(EXIT_FAILURE);
if (rapdulen < 2 || rapdu[rapdulen-2] != 0x90 || rapdu[rapdulen-1] != 0x00) {
capdu[3]='\x00'; // Maybe an older Tag4 ?
if (CardTransmit(pnd, capdu, capdulen, rapdu, &rapdulen) < 0)
exit(EXIT_FAILURE);
}
printf("Capability Container selected!\n\n");
// Read Capability Container
memcpy(capdu, "\x00\xb0\x00\x00\x0f", 5);
capdulen=5;
rapdulen=sizeof(rapdu);
printf("Sending ReadBinary from CC...\n");
if (CardTransmit(pnd, capdu, capdulen, rapdu, &rapdulen) < 0)
exit(EXIT_FAILURE);
if (rapdulen < 2 || rapdu[rapdulen-2] != 0x90 || rapdu[rapdulen-1] != 0x00)
exit(EXIT_FAILURE);
printf("\nCapability Container header:\n");
size_t szPos;
for (szPos = 0; szPos < rapdulen-2; szPos++) {
printf("%02x ", rapdu[szPos]);
}
printf("\n\n");
// NDEF Select
memcpy(capdu, "\x00\xa4\x00\x0C\x02\xE1\x04", 7);
capdulen=7;
rapdulen=sizeof(rapdu);
printf("Sending NDEF Select...\n");
if (CardTransmit(pnd, capdu, capdulen, rapdu, &rapdulen) < 0)
exit(EXIT_FAILURE);
if (rapdulen < 2 || rapdu[rapdulen-2] != 0x90 || rapdu[rapdulen-1] != 0x00)
exit(EXIT_FAILURE);
printf("\n");
// ReadBinary
memcpy(capdu, "\x00\xb0\x00\x00\x02", 5);
capdulen=5;
rapdulen=sizeof(rapdu);
printf("Sending ReadBinary NLEN...\n");
if (CardTransmit(pnd, capdu, capdulen, rapdu, &rapdulen) < 0)
exit(EXIT_FAILURE);
if (rapdulen < 2 || rapdu[rapdulen-2] != 0x90 || rapdu[rapdulen-1] != 0x00)
exit(EXIT_FAILURE);
printf("\n");
// ReadBinary - Get NDEF data
memcpy(capdu, "\x00\xb0\x00\x00\x0f", 5);
capdulen=5;
rapdulen=sizeof(rapdu);
printf("Sending ReadBinary, get NDEF data...\n");
if (CardTransmit(pnd, capdu, capdulen, rapdu, &rapdulen) < 0)
exit(EXIT_FAILURE);
if (rapdulen < 2 || rapdu[rapdulen-2] != 0x90 || rapdu[rapdulen-1] != 0x00)
exit(EXIT_FAILURE);
printf("\n");
printf("Wrapping up, closing session.\n\n");
nfc_close(pnd);
nfc_exit(context);
exit(EXIT_SUCCESS);
}
int
main(int argc, char *argv[])
{
int arg, i;
bool format = false;
unsigned int c;
char tmp[3] = { 0x00, 0x00, 0x00 };
// Get commandline options
for (arg = 1; arg < argc; arg++) {
if (0 == strcmp(argv[arg], "-h")) {
print_usage(argv);
exit(EXIT_SUCCESS);
} else if (0 == strcmp(argv[arg], "-f")) {
format = true;
} else if (0 == strcmp(argv[arg], "-q")) {
quiet_output = true;
} else if (strlen(argv[arg]) == 8) {
for (i = 0 ; i < 4 ; ++i) {
memcpy(tmp, argv[arg] + i * 2, 2);
sscanf(tmp, "%02x", &c);
abtData[i] = (char) c;
}
abtData[4] = abtData[0] ^ abtData[1] ^ abtData[2] ^ abtData[3];
iso14443a_crc_append(abtData, 16);
} else {
ERR("%s is not supported option.", argv[arg]);
print_usage(argv);
exit(EXIT_FAILURE);
}
}
nfc_context *context;
nfc_init(&context);
// Try to open the NFC reader
pnd = nfc_open(context, NULL);
if (!pnd) {
printf("Error opening NFC reader\n");
exit(EXIT_FAILURE);
}
// Initialise NFC device as "initiator"
if (nfc_initiator_init(pnd) < 0) {
nfc_perror(pnd, "nfc_initiator_init");
exit(EXIT_FAILURE);
}
// Configure the CRC
if (nfc_device_set_property_bool(pnd, NP_HANDLE_CRC, false) < 0) {
nfc_perror(pnd, "nfc_device_set_property_bool");
exit(EXIT_FAILURE);
}
// Use raw send/receive methods
if (nfc_device_set_property_bool(pnd, NP_EASY_FRAMING, false) < 0) {
nfc_perror(pnd, "nfc_device_set_property_bool");
exit(EXIT_FAILURE);
}
// Disable 14443-4 autoswitching
if (nfc_device_set_property_bool(pnd, NP_AUTO_ISO14443_4, false) < 0) {
nfc_perror(pnd, "nfc_device_set_property_bool");
exit(EXIT_FAILURE);
}
printf("NFC reader: %s opened\n", nfc_device_get_name(pnd));
// Send the 7 bits request command specified in ISO 14443A (0x26)
if (!transmit_bits(abtReqa, 7)) {
printf("Error: No tag available\n");
nfc_close(pnd);
nfc_exit(context);
return 1;
}
memcpy(abtAtqa, abtRx, 2);
// Anti-collision
transmit_bytes(abtSelectAll, 2);
// Check answer
if ((abtRx[0] ^ abtRx[1] ^ abtRx[2] ^ abtRx[3] ^ abtRx[4]) != 0) {
printf("WARNING: BCC check failed!\n");
}
// Save the UID CL1
memcpy(abtRawUid, abtRx, 4);
//Prepare and send CL1 Select-Command
memcpy(abtSelectTag + 2, abtRx, 5);
iso14443a_crc_append(abtSelectTag, 7);
transmit_bytes(abtSelectTag, 9);
abtSak = abtRx[0];
// Test if we are dealing with a CL2
if (abtSak & CASCADE_BIT) {
szCL = 2;//or more
// Check answer
if (abtRawUid[0] != 0x88) {
printf("WARNING: Cascade bit set but CT != 0x88!\n");
}
}
if (szCL == 2) {
// We have to do the anti-collision for cascade level 2
// Prepare CL2 commands
abtSelectAll[0] = 0x95;
// Anti-collision
transmit_bytes(abtSelectAll, 2);
// Check answer
if ((abtRx[0] ^ abtRx[1] ^ abtRx[2] ^ abtRx[3] ^ abtRx[4]) != 0) {
printf("WARNING: BCC check failed!\n");
}
// Save UID CL2
memcpy(abtRawUid + 4, abtRx, 4);
// Selection
abtSelectTag[0] = 0x95;
memcpy(abtSelectTag + 2, abtRx, 5);
iso14443a_crc_append(abtSelectTag, 7);
transmit_bytes(abtSelectTag, 9);
abtSak = abtRx[0];
// Test if we are dealing with a CL3
if (abtSak & CASCADE_BIT) {
szCL = 3;
// Check answer
if (abtRawUid[0] != 0x88) {
printf("WARNING: Cascade bit set but CT != 0x88!\n");
}
}
if (szCL == 3) {
// We have to do the anti-collision for cascade level 3
// Prepare and send CL3 AC-Command
abtSelectAll[0] = 0x97;
transmit_bytes(abtSelectAll, 2);
// Check answer
if ((abtRx[0] ^ abtRx[1] ^ abtRx[2] ^ abtRx[3] ^ abtRx[4]) != 0) {
printf("WARNING: BCC check failed!\n");
}
// Save UID CL3
memcpy(abtRawUid + 8, abtRx, 4);
// Prepare and send final Select-Command
abtSelectTag[0] = 0x97;
memcpy(abtSelectTag + 2, abtRx, 5);
iso14443a_crc_append(abtSelectTag, 7);
transmit_bytes(abtSelectTag, 9);
abtSak = abtRx[0];
}
}
// Request ATS, this only applies to tags that support ISO 14443A-4
if (abtRx[0] & SAK_FLAG_ATS_SUPPORTED) {
iso_ats_supported = true;
}
printf("\nFound tag with\n UID: ");
switch (szCL) {
case 1:
printf("%02x%02x%02x%02x", abtRawUid[0], abtRawUid[1], abtRawUid[2], abtRawUid[3]);
break;
case 2:
printf("%02x%02x%02x", abtRawUid[1], abtRawUid[2], abtRawUid[3]);
printf("%02x%02x%02x%02x", abtRawUid[4], abtRawUid[5], abtRawUid[6], abtRawUid[7]);
break;
case 3:
printf("%02x%02x%02x", abtRawUid[1], abtRawUid[2], abtRawUid[3]);
printf("%02x%02x%02x", abtRawUid[5], abtRawUid[6], abtRawUid[7]);
printf("%02x%02x%02x%02x", abtRawUid[8], abtRawUid[9], abtRawUid[10], abtRawUid[11]);
break;
}
printf("\n");
printf("ATQA: %02x%02x\n SAK: %02x\n", abtAtqa[1], abtAtqa[0], abtSak);
if (szAts > 1) { // if = 1, it's not actual ATS but error code
printf(" ATS: ");
print_hex(abtAts, szAts);
}
printf("\n");
// now reset UID
iso14443a_crc_append(abtHalt, 2);
transmit_bytes(abtHalt, 4);
transmit_bits(abtUnlock1, 7);
if (format) {
transmit_bytes(abtWipe, 1);
transmit_bytes(abtHalt, 4);
transmit_bits(abtUnlock1, 7);
}
transmit_bytes(abtUnlock2, 1);
transmit_bytes(abtWrite, 4);
transmit_bytes(abtData, 18);
if (format) {
for (i = 3 ; i < 64 ; i += 4) {
abtWrite[1] = (char) i;
iso14443a_crc_append(abtWrite, 2);
transmit_bytes(abtWrite, 4);
transmit_bytes(abtBlank, 18);
}
}
nfc_close(pnd);
nfc_exit(context);
return EXIT_SUCCESS;
}
void nfosc_start() {
if (running) return;
max_symbol_id = 0;
session_id = -1;
buffer_size = 0;
// try to open the NFC device
printf("nfOSC v0.5 using libnfc v%s\n", nfc_version());
printf("looking for NFC devices ...\n");
fflush(stdout);
nfc_init(&context);
if (context == NULL) {
fprintf(stderr, "unable to init libnfc (malloc)\n");
exit(1);
}
nfc_connstring connstrings[MAX_DEVICE_COUNT];
size_t szFound = nfc_list_devices (context, connstrings, MAX_DEVICE_COUNT);
no_devices = (int)szFound;
for (int dev=0;dev<no_devices;dev++) {
pnd[device_count] = nfc_open(context, connstrings[dev]);
if (pnd[device_count] == NULL) continue;
nfc_initiator_init(pnd[device_count]);
// drop the field for a while
nfc_device_set_property_bool(pnd[device_count],NP_ACTIVATE_FIELD,false);
// let the reader only try once to find a tag
nfc_device_set_property_bool(pnd[device_count],NP_INFINITE_SELECT,false);
// configure the CRC and Parity settings
nfc_device_set_property_bool(pnd[device_count],NP_HANDLE_CRC,true);
nfc_device_set_property_bool(pnd[device_count],NP_HANDLE_PARITY,true);
// enable field so more power consuming cards can power themselves up
nfc_device_set_property_bool(pnd[device_count],NP_ACTIVATE_FIELD,true);
printf("connected to NFC reader #%d: %s\n",device_count,nfc_device_get_name(pnd[device_count]));
device_count++;
}
no_devices = device_count;
if (device_count==0) {
printf("no device found!\n");
return;
} else if (device_count==1) {
printf("1 device found\n");
sprintf(source_string, "NFOSC");
} else printf("%d devices found\n", device_count);
read_database();
printf("sending OSC packets to %s %s\n",host,port);
target = lo_address_new(host, port);
running = true;
pthread_create(&main_thread , NULL, (void *)&main_loop, NULL);
}
int main(int argc, const char *argv[])
{
nfc_device *pnd;
nfc_target nt;
const nfc_target ntbis;
// Allocate only a pointer to nfc_context
nfc_context *context;
// Initialize libnfc and set the nfc_context
nfc_init(&context);
if (context == NULL) {
printf("Unable to init libnfc (malloc)\n");
exit(EXIT_FAILURE);
}
// Display libnfc version
const char *acLibnfcVersion = nfc_version();
(void)argc;
printf("%s utilise libnfc v%s\n", argv[0], acLibnfcVersion);
// Open, using the first available NFC device which can be in order of selection:
// - default device specified using environment variable or
// - first specified device in libnfc.conf (/etc/nfc) or
// - first specified device in device-configuration directory (/etc/nfc/devices.d) or
// - first auto-detected (if feature is not disabled in libnfc.conf) device
pnd = nfc_open(context, NULL);
if (pnd == NULL) {
printf("ERROR: %s\n", "Unable to open NFC device.");
exit(EXIT_FAILURE);
}
// Set opened NFC device to initiator mode
if (nfc_initiator_init(pnd) < 0) {
nfc_perror(pnd, "nfc_initiator_init");
exit(EXIT_FAILURE);
}
printf("Lecteur NFC: %s \n", nfc_device_get_name(pnd));
// Poll for a ISO14443A (MIFARE) tag
const nfc_modulation nmMifare = {
.nmt = NMT_ISO14443A,
.nbr = NBR_106,
};
int uinp_fd;
if ((uinp_fd = setup_uinput_device()) < 0) {
printf("Unable to find uinput device\n");
return -1;
}
sleep(1);
long int uid = 0;
int i = 0;
int check = 1;
while (1) {
if (nfc_initiator_list_passive_targets(pnd, nmMifare, &nt, 1) > 0) {
if (uid != parse_dex(nt.nti.nai.abtUid, nt.nti.nai.szUidLen)) {
//printf("%s\n", strtol(*nt.nti.nai.abtUid, 16));
i++;
printf("\nmotherfucker %d\n", i);
printf("Uid : ");
print_hex(nt.nti.nai.abtUid, nt.nti.nai.szUidLen);
printf("Parse dex : ");
printf("%ld\n",parse_dex(nt.nti.nai.abtUid, nt.nti.nai.szUidLen));
uid = parse_dex(nt.nti.nai.abtUid, nt.nti.nai.szUidLen);
//printf("Before x : ");
//printf("%s\n", before_x(uid));
printf("Do x : ");
do_x(uinp_fd, uid);
} else {
//printf("i: %d uid:%ld nt:%ld\n",i, uid, parse_dex(nt.nti.nai.abtUid, nt.nti.nai.szUidLen));
//i++;
}
} else {
check = 0;
uid = 0;
}
}
/* Destroy the input device */
ioctl(uinp_fd, UI_DEV_DESTROY);
/* Close the UINPUT device */
close(uinp_fd);
// Close NFC device
nfc_close(pnd);
// Release the context
nfc_exit(context);
exit(EXIT_SUCCESS);
}
int
main (int argc, const char *argv[])
{
nfc_device_t *pnd;
(void) argc;
(void) argv;
// Display libnfc version
const char *acLibnfcVersion = nfc_version ();
printf ("%s use libnfc %s\n", argv[0], acLibnfcVersion);
// Connect using the first available NFC device
pnd = nfc_connect (NULL);
if (pnd == NULL) {
ERR ("%s", "Unable to connect to NFC device.");
return EXIT_FAILURE;
}
printf ("Connected to NFC device: %s\n", pnd->acName);
// Print the example's menu
printf ("\nSelect the communication mode:\n");
printf ("[1] Virtual card mode.\n");
printf ("[2] Wired card mode.\n");
printf ("[3] Dual card mode.\n");
printf (">> ");
// Take user's choice
char input = getchar ();
int mode = input - '0' + 1;
printf ("\n");
if (mode < VIRTUAL_CARD_MODE || mode > DUAL_CARD_MODE) {
ERR ("%s", "Invalid selection.");
return EXIT_FAILURE;
}
// Connect with the SAM
sam_connection (pnd, mode);
switch (mode) {
case VIRTUAL_CARD_MODE:
{
// FIXME after the loop the device doesn't respond to host commands...
printf ("Now the SAM is readable for 1 minute from an external reader.\n");
wait_one_minute ();
}
break;
case WIRED_CARD_MODE:
{
nfc_target_t nt;
// Set connected NFC device to initiator mode
nfc_initiator_init (pnd);
// Drop the field for a while
if (!nfc_configure (pnd, NDO_ACTIVATE_FIELD, false)) {
nfc_perror (pnd, "nfc_configure");
exit (EXIT_FAILURE);
}
// Let the reader only try once to find a tag
if (!nfc_configure (pnd, NDO_INFINITE_SELECT, false)) {
nfc_perror (pnd, "nfc_configure");
exit (EXIT_FAILURE);
}
// Enable field so more power consuming cards can power themselves up
if (!nfc_configure (pnd, NDO_ACTIVATE_FIELD, true)) {
nfc_perror (pnd, "nfc_configure");
exit (EXIT_FAILURE);
}
// Read the SAM's info
const nfc_modulation_t nmSAM = {
.nmt = NMT_ISO14443A,
.nbr = NBR_106,
};
if (!nfc_initiator_select_passive_target (pnd, nmSAM, NULL, 0, &nt)) {
nfc_perror (pnd, "nfc_initiator_select_passive_target");
ERR ("%s", "Reading of SAM info failed.");
return EXIT_FAILURE;
}
printf ("The following ISO14443A tag (SAM) was found:\n\n");
print_nfc_iso14443a_info (nt.nti.nai, true);
}
break;
case DUAL_CARD_MODE:
{
byte_t abtRx[MAX_FRAME_LEN];
size_t szRx;
nfc_target_t nt = {
.nm.nmt = NMT_ISO14443A,
.nm.nbr = NBR_UNDEFINED,
.nti.nai.abtAtqa = { 0x04, 0x00 },
.nti.nai.abtUid = { 0x08, 0xad, 0xbe, 0xef },
.nti.nai.btSak = 0x20,
.nti.nai.szUidLen = 4,
.nti.nai.szAtsLen = 0,
};
printf ("Now both, NFC device (configured as target) and SAM are readables from an external NFC initiator.\n");
printf ("Please note that NFC device (configured as target) stay in target mode until it receive RATS, ATR_REQ or proprietary command.\n");
if (!nfc_target_init (pnd, &nt, abtRx, &szRx)) {
nfc_perror(pnd, "nfc_target_init");
return EXIT_FAILURE;
}
// wait_one_minute ();
}
break;
}
// Disconnect from the SAM
sam_connection (pnd, NORMAL_MODE);
// Disconnect from NFC device
nfc_disconnect (pnd);
return EXIT_SUCCESS;
}
