void DoEmvTransaction(){
unsigned char transaction_data[4096];
unsigned int transaction_data_len = 0;
unsigned char custom_data[1024];
unsigned int custom_data_len = 0;
unsigned char hexKsn[21];
unsigned char encryptedHexBuffer[128];
char hex[256];
unsigned char panToken[32];
unsigned char hexToken[32];
char *outputBuffer;
char *sesitiveTagBuffer;
char *clearTagBuffer;
int samSlot = 1;
char pToken[32] = {0};
l2bool result = L2FALSE;
int rcTransaction = 0;
int rcResponse = 0;
int rc = 0;
int i = 0;
int tindex = 0;
/* Perform EMVCo L2 transaction */
rcTransaction = l2manager_PerformTransaction(&tp,
&onRequestOutcome,
&onRestartOutcome,
samSlot,
pToken);
/* Evaluate return value */
printf("\nl2manager_PerformTransaction() returns with %d\n\n", rcTransaction);
switch (rcTransaction) {
case EMV_OFFLINE_ACCEPT:
case EMV_GO_ONLINE:
#ifdef DEBUG
if (onRequestOutcome.m_bpresent)
printf("onRequestOutcome.m_ucmsgid: %d\n",
(int)onRequestOutcome.m_ucmsgid);
if (onRestartOutcome.m_bpresent)
printf("onRestartOutcome.m_ucmsgid: %d\n",
(int)onRestartOutcome.m_ucmsgid);
#endif
if (rcTransaction == EMV_OFFLINE_ACCEPT) {
emvSuccessVisualization();
}
/* Get transaction data.
* Please see description of
* rdol_<kernel_id>_emv.txt or rdol_<kernel_id>_ms.txt.
*/
result = l2manager_GetTransactionData(transaction_data,
sizeof(transaction_data),
&transaction_data_len);
if (result == L2TRUE) {
#ifdef DEBUG
printf("TRANSACTION DATA:\n");
for (i = 0; i < transaction_data_len; i++)
printf("%02X", transaction_data[i]);
printf("\n\n");
#endif
tlvInfo_t *t=malloc(sizeof(tlvInfo_t)*transaction_data_len);
memset(t,0,transaction_data_len);
tlvInfo_init(t);
tindex = 0;
asprintf(&clearTagBuffer, "");
asprintf(&sesitiveTagBuffer, "");
emvparse(transaction_data, transaction_data_len, t, &tindex, 0, &clearTagBuffer, &sesitiveTagBuffer);
free(t);
//Get PAN Token
SHA256_CTX ctx;
sha256_init(&ctx);
sha256_update(&ctx,sesitiveTagBuffer, strlen(sesitiveTagBuffer));
sha256_final(&ctx,panToken);
#ifdef DEBUG
printf("hash DATA:\n");
for (i = 0; i < 32; i++)
printf("%02X", panToken[i]);
printf("\n\n");
#endif
//TODO Test PAN Token against deny list here
//********** DO DUKPT Crypto
dukptEncrypt(hSession, sesitiveTagBuffer, strlen(sesitiveTagBuffer), hexKsn, encryptedHexBuffer);
#ifdef DEBUG
printf("EMV - Clear Data : %s\n", sesitiveTagBuffer);
printf("EMV - KSN : %s\n", hexKsn);
printf("EMV - CipherText : %s\n", encryptedHexBuffer);
#endif
strcpy(hexToken, bin2hex(hex, panToken, 32));
// Output format for CULR call to Creditcall
//unsigned short size = sizeof(transaction_data)/sizeof(transaction_data[0]);
formatOutputBuffer(&outputBuffer, hexKsn, &clearTagBuffer, encryptedHexBuffer, rcTransaction, hexToken);
//Clear out transaction_data buffer that contains sensitive data to zero
memset(&transaction_data[0], 0, sizeof(transaction_data));
//TODO Clear out sensitive data to zero
memset(&sesitiveTagBuffer[0], 0, strlen(sesitiveTagBuffer));
free(sesitiveTagBuffer);
free(clearTagBuffer);
printf("%s",outputBuffer);
}
#ifdef DEBUG
/* Get custom data.
* Please see description of rdol_clear.txt.
*/
result = l2manager_GetCustomData(custom_data,
sizeof(custom_data),
&custom_data_len);
if (result == L2TRUE) {
printf("RDOL:\n");
for (i = 0; i < custom_data_len; i++)
printf("%02X", custom_data[i]);
printf("\n\n");
}
#endif
/** If the return value is EMV_GO_ONLINE you must call the
* function l2manager_ProcessOnlineResponse().
**/
if (rcTransaction == EMV_GO_ONLINE) {
/** ATTENTION
* It is absolutely necessary to call the function
* l2manager_ProcessOnlineResponse() if the code
* EMV_GO_ONLINE is returned from function
* l2manager_PerformTransaction() !
* If you want to abort the transaction, or the backend
* is not reachable or something else, you should set
* the ucOnlineRespData and OnlineRespDataLen to zero.
* In such a case the return code will be
* EMV_ONLINE_DECLINE.
**/
//NEED to get return buffer
//doSslCall(outputBuffer);
unsigned char OnlineRespData[1024] = {0};
unsigned int OnlineRespDataLen = 0;
#ifdef EMV_ONLINE_SUCCESS
/* Successfull Online Verification = 0x30 0x30 */
OnlineRespDataLen = 16;
memcpy(OnlineRespData,
"\x8A\x02\x30\x30\x91\x0A\x60\x6D\x6C\x6C\x37\xD4\xAC\x51\x30\x30",
OnlineRespDataLen);
#endif
memset(&onRequestOutcome, 0, sizeof(UIRequest));
memset(&onRestartOutcome, 0, sizeof(UIRequest));
rcResponse = l2manager_ProcessOnlineResponse(OnlineRespData,
OnlineRespDataLen,
&onRequestOutcome,
&onRestartOutcome);
switch (rcResponse) {
case EMV_ONLINE_ACCEPT:
printf("%s returns with EMV_ONLINE_ACCEPT\n",
"l2manager_ProcessOnlineResponse()");
emvSuccessVisualization(1, 1);
disable_bar();
enable_running_led();
break;
case EMV_ONLINE_DECLINE:
printf("%s returns with EMV_ONLINE_DECLINE\n",
"\nl2manager_ProcessOnlineResponse()");
/* EMVCo alert tone.
* Buzzer Beep @ 750Hz for 200ms
* [On -> Off -> On]
*/
emvAlertTone();
break;
default:
printf("%s returns with undefined code (%d)\n",
"\nl2manager_ProcessOnlineResponse()",
rcTransaction);
/* EMVCo alert tone.
* Buzzer Beep @ 750Hz for 200ms
* [On -> Off -> On]
*/
emvAlertTone();
break;
}
} else {
/* EMVCo success tone.
* Buzzer Beep @ 1500Hz for 500ms
*/
if (rcTransaction == EMV_OFFLINE_ACCEPT) {
if (threadRunning){
//wait for thread to finish
WaitEmvThreadFinnish();
}
//Create thread for sending data
int err;
err = pthread_create(&inc_x_thread,NULL,&thread_doSslCall,(void *)outputBuffer);
if (err != 0){
printf("\n\n\nCan't create thread...\n");
threadRunning = false;
} else {
printf("\n\n\nThread created...\n");
threadRunning = true;
}
disable_bar();
enable_running_led();
ClearTransactionData();
SetTransactionData();
}
}
break;
case EMV_PPSE_NOT_SUPPORTED_BY_CARD:
case EMV_NO_MATCHING_APP:
/** At this point you could do some "closed loop" processing,
* because the EMVCo kernel refuse the card.
* Maybe it is no credit card, or the application is not
* supported.
* The card is still activated and remains in ISO 14443-4 state.
*/
/* EMVCo alert tone.
* Buzzer Beep @ 750Hz for 200ms [On -> Off -> On]
*/
emvAlertTone();
break;
/* case ...:
* break;
*/
default:
/* The other codes should be treated as error. */
/* EMVCo alert tone.
* Buzzer Beep @ 750Hz for 200ms [On -> Off -> On]
*/
emvAlertTone();
break;
}
/* Check TransactionMode */
rc = l2manager_GetTransactionMode();
switch (rc) {
case 1:
printf("Transaction mode = Magstripe\n");
break;
case 2:
printf("Transaction mode = Magstripe [CVN_17]\n");
break;
case 3:
printf("Transaction mode = EMV\n");
break;
default:
printf("Transaction mode = (%d) - UNKNOWN\n", rc);
break;
}
/* Needed for Mastercard processing */
/* This function is used to clear TORN for paypass transactions */
result = l2manager_ClearTorn();
if (result != L2TRUE)
printf("Error in function l2manager_ClearTorn()\n");
}
void fog_bar_draw(int x1,int y1,int x2,int y2,OBJREC *o)
{
disable_bar(x1,y1,x2-x1,y2-y1,o->color);
}
