chg: emv commands should now compile. no testing done.

This commit is contained in:
iceman1001 2017-11-25 08:18:30 +01:00
commit 9959d5c1e7
5 changed files with 21 additions and 12 deletions

View file

@ -1,7 +1,8 @@
//-----------------------------------------------------------------------------
// 2011, Merlok
// 2014, Peter Fillmore
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
// 2011, 2017 Merlok
// 2014, Peter Fillmore
// 2015, 2016, 2017 Iceman
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
@ -655,7 +656,7 @@ void DropField() {
SendCommand(&c);
}
int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int *dataoutlen) {
int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
uint16_t cmdc = 0;
if (activateField) {
@ -667,8 +668,8 @@ int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool lea
// "Command APDU" length should be 5+255+1, but javacard's APDU buffer might be smaller - 133 bytes
// https://stackoverflow.com/questions/32994936/safe-max-java-card-apdu-data-command-and-respond-size
// here length USB_CMD_DATA_SIZE=512
// timeout timeout14a * 1.06 / 100, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106
UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU | ISO14A_SET_TIMEOUT | cmdc, (datainlen & 0xFFFF), 1000 * 1000 * 1.06 / 100}};
// timeout must be authomatically set by "get ATS"
UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU | cmdc, (datainlen & 0xFFFF), 0}};
memcpy(c.d.asBytes, datain, datainlen);
SendCommand(&c);
@ -693,6 +694,12 @@ int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool lea
*dataoutlen = iLen - 2;
if (*dataoutlen < 0)
*dataoutlen = 0;
if (maxdataoutlen && *dataoutlen > maxdataoutlen) {
PrintAndLog("APDU ERROR: Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen);
return 2;
}
memcpy(dataout, recv, *dataoutlen);
if(!iLen) {
@ -786,7 +793,7 @@ int CmdHF14AAPDU(const char *cmd) {
PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, &datalen);
int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, USB_CMD_DATA_SIZE, &datalen);
if (res)
return res;