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Renamed module and files to nfc_smartcard

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This commit is contained in:
Ondrej Mikle 2015-12-06 17:06:40 +01:00
parent c297246545
commit b57259b51d
9 changed files with 28 additions and 26 deletions
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166
brmdoor_nfc.cpp
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@ -1,166 +0,0 @@
#include <string>
#include <cassert>
#include <nfc/nfc.h>
#include <nfc/nfc-types.h>
#include "brmdoor_nfc.h"
using namespace std;
ResponseAPDU::ResponseAPDU(const string &data)
{
size_t len = data.size();
_valid = len >= 2;
if (!_valid) {
return;
}
_sw = (uint8_t(data[len-2]) << 8) | uint8_t(data[len-1]);
_data = data.substr(0, len-2);
}
NFCDevice::NFCDevice() throw(NFCError):
pollNr(20),
pollPeriod(2),
apduTimeout(500),
_nfcContext(NULL),
_nfcDevice(NULL),
_opened(false),
_unloaded(false)
{
nfc_init(&_nfcContext);
if (_nfcContext == NULL) {
throw NFCError("Unable to init libnfc (malloc)");
}
open();
}
NFCDevice::~NFCDevice()
{
close();
unload();
}
void NFCDevice::open() throw(NFCError)
{
if (opened()) {
return;
}
_nfcDevice = nfc_open(_nfcContext, NULL);
if (_nfcDevice == NULL) {
throw NFCError("Unable to open NFC device.");
}
_opened = true;
if (nfc_initiator_init(_nfcDevice) < 0) {
close();
throw NFCError("NFC initiator error");
}
}
void NFCDevice::close()
{
if (!opened()) {
return;
}
assert(_nfcDevice);
nfc_close(_nfcDevice);
_nfcDevice = NULL;
_opened = false;
}
void NFCDevice::unload()
{
if (_unloaded) {
return;
}
assert(_nfcContext);
nfc_exit(_nfcContext);
_nfcContext = NULL;
_unloaded = true;
}
std::string NFCDevice::scanUID() throw(NFCError)
{
int res;
nfc_target nt;
string uid;
if (!opened()) {
throw NFCError("NFC device not opened");
}
res = nfc_initiator_poll_target(_nfcDevice, _modulations, _modulationsLen, pollNr, pollPeriod, &nt);
if (res < 0) {
throw NFCError("NFC polling error");
}
// we are not interested in non-ISO-14443A cards
if (nt.nm.nmt != NMT_ISO14443A) {
return string();
}
const nfc_iso14443a_info& nai = nt.nti.nai;
uid = string((const char*)nai.abtUid, nai.szUidLen);
// nfc_initiator_deselect_target(_nfcDevice);
return uid;
}
void NFCDevice::selectPassiveTarget() throw(NFCError)
{
nfc_target nt;
while (nfc_initiator_select_passive_target(_nfcDevice, _modulations[0], NULL, 0, &nt) <= 0);
}
ResponseAPDU NFCDevice::sendAPDU(const string &apdu) throw(NFCError)
{
int res;
uint8_t rapdu[512];
if ((res = nfc_initiator_transceive_bytes(_nfcDevice, (uint8_t*)apdu.data(), apdu.size(),
rapdu, 512, apduTimeout)) < 0) {
if (res == NFC_EOVFLOW) {
throw NFCError("Response APDU too long");
}
throw NFCError("Failed to transceive APDU");
} else {
string rapduData((char *)rapdu, res);
ResponseAPDU responseApdu(rapduData);
if (!responseApdu.valid()) {
throw NFCError("Invalid response APDU was received");
}
return responseApdu;
}
}
const nfc_modulation NFCDevice::_modulations[5] = {
{ /*.nmt = */ NMT_ISO14443A, /* .nbr = */ NBR_106 }
//{ /*.nmt = */ NMT_ISO14443B, /* .nbr = */ NBR_106 },
//{ /*.nmt = */ NMT_FELICA, /* .nbr = */ NBR_212 },
//{ /*.nmt = */ NMT_FELICA, /* .nbr = */ NBR_424 },
//{ /*.nmt = */ NMT_JEWEL, /* .nbr = */ NBR_106 },
};
const size_t NFCDevice::_modulationsLen = 1;
NFCError::NFCError(const std::string& msg)
{
_msg = msg;
}