| 1 |
/*
|
| 2 |
commands.c: Commands sent to the card
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| 3 |
Copyright (C) 2003-2004 Ludovic Rousseau
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| 4 |
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| 5 |
This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
|
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License as published by the Free Software Foundation; either
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| 8 |
version 2.1 of the License, or (at your option) any later version.
|
| 9 |
|
| 10 |
This library is distributed in the hope that it will be useful,
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| 11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| 13 |
Lesser General Public License for more details.
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| 14 |
|
| 15 |
You should have received a copy of the GNU Lesser General Public
|
| 16 |
License along with this library; if not, write to the Free Software
|
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 18 |
*/
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|
| 20 |
/*
|
| 21 |
* $Id$
|
| 22 |
*/
|
| 23 |
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| 24 |
#include <string.h>
|
| 25 |
#include <stdlib.h>
|
| 26 |
#include <pcsclite.h>
|
| 27 |
#include <ifdhandler.h>
|
| 28 |
#include <reader.h>
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| 29 |
|
| 30 |
#include "commands.h"
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| 31 |
#include "openct/proto-t1.h"
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| 32 |
#include "ccid.h"
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| 33 |
#include "defs.h"
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| 34 |
#include "ccid_ifdhandler.h"
|
| 35 |
#include "config.h"
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| 36 |
#include "debug.h"
|
| 37 |
|
| 38 |
/* All the pinpad readers I used are more or less bogus
|
| 39 |
* I use code to change the user command and make the firmware happy */
|
| 40 |
#define BOGUS_PINPAD_FIRMWARE
|
| 41 |
|
| 42 |
#define max( a, b ) ( ( ( a ) > ( b ) ) ? ( a ) : ( b ) )
|
| 43 |
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
|
| 44 |
|
| 45 |
/* internal functions */
|
| 46 |
static RESPONSECODE CmdXfrBlockTPDU_T0(unsigned int reader_index,
|
| 47 |
unsigned int tx_length, unsigned char tx_buffer[], unsigned int *rx_length,
|
| 48 |
unsigned char rx_buffer[]);
|
| 49 |
|
| 50 |
static RESPONSECODE CmdXfrBlockCHAR_T0(unsigned int reader_index, unsigned int
|
| 51 |
tx_length, unsigned char tx_buffer[], unsigned int *rx_length, unsigned
|
| 52 |
char rx_buffer[]);
|
| 53 |
|
| 54 |
static RESPONSECODE CmdXfrBlockTPDU_T1(unsigned int reader_index,
|
| 55 |
unsigned int tx_length, unsigned char tx_buffer[], unsigned int *rx_length,
|
| 56 |
unsigned char rx_buffer[]);
|
| 57 |
|
| 58 |
static void i2dw(int value, unsigned char *buffer);
|
| 59 |
|
| 60 |
|
| 61 |
/*****************************************************************************
|
| 62 |
*
|
| 63 |
* CmdPowerOn
|
| 64 |
*
|
| 65 |
****************************************************************************/
|
| 66 |
RESPONSECODE CmdPowerOn(unsigned int reader_index, unsigned int * nlength,
|
| 67 |
unsigned char buffer[], int voltage)
|
| 68 |
{
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| 69 |
unsigned char cmd[10];
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| 70 |
status_t res;
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| 71 |
int length, count = 1;
|
| 72 |
unsigned int atr_len;
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| 73 |
RESPONSECODE return_value = IFD_SUCCESS;
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| 74 |
_ccid_descriptor *ccid_descriptor = get_ccid_descriptor(reader_index);
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| 75 |
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| 76 |
/* store length of buffer[] */
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length = *nlength;
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| 78 |
|
| 79 |
if (ccid_descriptor->dwFeatures & CCID_CLASS_AUTO_VOLTAGE)
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voltage = 0; /* automatic voltage selection */
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again:
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cmd[0] = 0x62; /* IccPowerOn */
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cmd[1] = cmd[2] = cmd[3] = cmd[4] = 0; /* dwLength */
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cmd[5] = ccid_descriptor->bCurrentSlotIndex; /* slot number */
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cmd[6] = (*ccid_descriptor->pbSeq)++;
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cmd[7] = voltage;
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cmd[8] = cmd[9] = 0; /* RFU */
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res = WritePort(reader_index, sizeof(cmd), cmd);
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if (res != STATUS_SUCCESS)
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return IFD_COMMUNICATION_ERROR;
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/* reset available buffer size */
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/* needed if we go back after a switch to ISO mode */
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*nlength = length;
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res = ReadPort(reader_index, nlength, buffer);
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if (res != STATUS_SUCCESS)
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return IFD_COMMUNICATION_ERROR;
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if (buffer[STATUS_OFFSET] & CCID_COMMAND_FAILED)
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{
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ccid_error(buffer[ERROR_OFFSET], __FILE__, __LINE__, __FUNCTION__); /* bError */
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if (0xBB == buffer[ERROR_OFFSET] && /* Protocol error in EMV mode */
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((GEMPC433 == ccid_descriptor->readerID)
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|| (CHERRYXX33 == ccid_descriptor->readerID)))
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{
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unsigned char cmd[] = {0x1F, 0x01};
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unsigned char res[1];
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unsigned int res_length = sizeof(res);
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if ((return_value = CmdEscape(reader_index, cmd, sizeof(cmd), res,
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&res_length)) != IFD_SUCCESS)
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return return_value;
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/* avoid looping if we can't switch mode */
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if (count--)
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goto again;
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else
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DEBUG_CRITICAL("Can't set reader in ISO mode");
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}
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/* continue with 3 volts and 5 volts */
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if (voltage > 1)
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{
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char *voltage_code[] = { "auto", "5V", "3V", "1.8V" };
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DEBUG_INFO3("Power up with %s failed. Try with %s.",
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voltage_code[voltage], voltage_code[voltage-1]);
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voltage--;
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goto again;
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}
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return IFD_COMMUNICATION_ERROR;
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}
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/* extract the ATR */
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atr_len = dw2i(buffer, 1); /* ATR length */
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if (atr_len > *nlength)
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atr_len = *nlength;
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else
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*nlength = atr_len;
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memmove(buffer, buffer+10, atr_len);
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return return_value;
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} /* CmdPowerOn */
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/*****************************************************************************
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*
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* SecurePINVerify
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*
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****************************************************************************/
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RESPONSECODE SecurePINVerify(unsigned int reader_index,
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unsigned char TxBuffer[], unsigned int TxLength,
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unsigned char RxBuffer[], unsigned int *RxLength)
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{
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unsigned char cmd[11+14+CMD_BUF_SIZE];
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unsigned int a, b;
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_ccid_descriptor *ccid_descriptor = get_ccid_descriptor(reader_index);
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int old_read_timeout;
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RESPONSECODE ret;
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cmd[0] = 0x69; /* Secure */
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cmd[5] = ccid_descriptor->bCurrentSlotIndex; /* slot number */
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cmd[6] = (*ccid_descriptor->pbSeq)++;
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cmd[7] = 0; /* bBWI */
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cmd[8] = 0; /* wLevelParameter */
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cmd[9] = 0;
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cmd[10] = 0; /* bPINOperation: PIN Verification */
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/* 19 is the size of the PCSCv2 PIN verify structure
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* The equivalent CCID structure is only 14-bytes long */
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if (TxLength > 19+CMD_BUF_SIZE) /* command too large? */
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{
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DEBUG_INFO3("Command too long: %d > %d", TxLength, 19+CMD_BUF_SIZE);
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*RxLength = 0;
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return IFD_NOT_SUPPORTED;
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}
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| 183 |
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| 184 |
if (TxLength < 19+4 /* 4 = APDU size */) /* command too short? */
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{
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DEBUG_INFO3("Command too short: %d < %d", TxLength, 19+4);
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*RxLength = 0;
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return IFD_NOT_SUPPORTED;
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}
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if (dw2i(TxBuffer, 15) + 19 != TxLength) /* ulDataLength field coherency */
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{
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DEBUG_INFO3("Wrong lengths: %d %d", TxBuffer[15] + 19, TxLength);
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*RxLength = 0;
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return IFD_NOT_SUPPORTED;
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}
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#ifdef BOGUS_PINPAD_FIRMWARE
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/* bug circumvention for the GemPC Pinpad */
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if (GEMPCPINPAD == ccid_descriptor->readerID)
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{
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/* the firmware reject the cases: 00h No string and FFh default
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* CCID message. The only value supported is 01h (display 1 message) */
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if (0x01 != TxBuffer[8])
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{
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DEBUG_INFO2("Correct bNumberMessage for GemPC Pinpad (was %d)",
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TxBuffer[8]);
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TxBuffer[8] = 0x01;
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}
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}
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#endif
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/* T=1 Protocol Management for a TPDU reader */
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if ((SCARD_PROTOCOL_T1 == ccid_descriptor->cardProtocol)
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&& (CCID_CLASS_TPDU == (ccid_descriptor->dwFeatures & CCID_CLASS_EXCHANGE_MASK)))
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{
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ct_buf_t sbuf;
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unsigned char sdata[T1_BUFFER_SIZE];
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/* Initialize send buffer with the APDU */
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ct_buf_set(&sbuf,
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(void *)(TxBuffer + offsetof(PIN_VERIFY_STRUCTURE, abData)),
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TxLength - offsetof(PIN_VERIFY_STRUCTURE, abData));
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/* Create T=1 block */
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ret = t1_build(&((get_ccid_slot(reader_index))->t1),
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sdata, 0, T1_I_BLOCK, &sbuf, NULL);
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/* Increment the sequence numbers */
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get_ccid_slot(reader_index)->t1.ns ^= 1;
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get_ccid_slot(reader_index)->t1.nr ^= 1;
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/* Copy the generated T=1 block prologue into the teoprologue
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* of the CCID command */
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memcpy(TxBuffer + offsetof(PIN_VERIFY_STRUCTURE, bTeoPrologue),
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sdata, 3);
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}
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/* Build a CCID block from a PC/SC V2.1.2 Part 10 block */
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| 240 |
for (a = 11, b = 0; b < TxLength; b++)
|
| 241 |
{
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| 242 |
if (1 == b) /* bTimeOut2 field */
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/* Ignore the second timeout as there's nothing we can do with
|
| 244 |
* it currently */
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| 245 |
continue;
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| 246 |
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| 247 |
if ((b >= 15) && (b <= 18)) /* ulDataLength field (4 bytes) */
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| 248 |
/* the ulDataLength field is not present in the CCID frame
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| 249 |
* so do not copy */
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| 250 |
continue;
|
| 251 |
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| 252 |
/* copy the CCID block 'verbatim' */
|
| 253 |
cmd[a] = TxBuffer[b];
|
| 254 |
a++;
|
| 255 |
}
|
| 256 |
|
| 257 |
/* SPR532 and Case 1 APDU */
|
| 258 |
if ((SPR532 == ccid_descriptor->readerID) && (TxBuffer[15] == 4))
|
| 259 |
{
|
| 260 |
RESPONSECODE return_value;
|
| 261 |
unsigned char cmd[] = { 0x80, 0x02, 0x00 };
|
| 262 |
unsigned char res[1];
|
| 263 |
unsigned int res_length = sizeof(res);
|
| 264 |
|
| 265 |
/* the SPR532 will append the PIN code without any padding */
|
| 266 |
return_value = CmdEscape(reader_index, cmd, sizeof(cmd), res,
|
| 267 |
&res_length);
|
| 268 |
if (return_value != IFD_SUCCESS)
|
| 269 |
{
|
| 270 |
ccid_error(res[ERROR_OFFSET], __FILE__, __LINE__, __FUNCTION__);
|
| 271 |
return return_value;
|
| 272 |
}
|
| 273 |
}
|
| 274 |
|
| 275 |
i2dw(a - 10, cmd + 1); /* CCID message length */
|
| 276 |
|
| 277 |
old_read_timeout = ccid_descriptor -> readTimeout;
|
| 278 |
ccid_descriptor -> readTimeout = max(30, TxBuffer[0]); /* at least 30 seconds */
|
| 279 |
|
| 280 |
if (WritePort(reader_index, a, cmd) != STATUS_SUCCESS)
|
| 281 |
{
|
| 282 |
*RxLength = 0;
|
| 283 |
return IFD_COMMUNICATION_ERROR;
|
| 284 |
}
|
| 285 |
|
| 286 |
ret = CCID_Receive(reader_index, RxLength, RxBuffer);
|
| 287 |
|
| 288 |
/* T=1 Protocol Management for a TPDU reader */
|
| 289 |
if ((IFD_SUCCESS == ret)
|
| 290 |
&& (SCARD_PROTOCOL_T1 == ccid_descriptor->cardProtocol)
|
| 291 |
&& (CCID_CLASS_TPDU == (ccid_descriptor->dwFeatures & CCID_CLASS_EXCHANGE_MASK)))
|
| 292 |
{
|
| 293 |
/* timeout and cancel cases are faked by CCID_Receive() */
|
| 294 |
if (2 == *RxLength)
|
| 295 |
{
|
| 296 |
/* Decrement the sequence numbers since no TPDU was sent */
|
| 297 |
get_ccid_slot(reader_index)->t1.ns ^= 1;
|
| 298 |
get_ccid_slot(reader_index)->t1.nr ^= 1;
|
| 299 |
}
|
| 300 |
else
|
| 301 |
{
|
| 302 |
/* get only the T=1 data */
|
| 303 |
/* FIXME: manage T=1 error blocks */
|
| 304 |
memmove(RxBuffer, RxBuffer+3, *RxLength -4);
|
| 305 |
*RxLength -= 4; /* remove NAD, PCB, LEN and CRC */
|
| 306 |
}
|
| 307 |
}
|
| 308 |
|
| 309 |
ccid_descriptor -> readTimeout = old_read_timeout;
|
| 310 |
return ret;
|
| 311 |
} /* SecurePINVerify */
|
| 312 |
|
| 313 |
|
| 314 |
/*****************************************************************************
|
| 315 |
*
|
| 316 |
* SecurePINModify
|
| 317 |
*
|
| 318 |
****************************************************************************/
|
| 319 |
RESPONSECODE SecurePINModify(unsigned int reader_index,
|
| 320 |
unsigned char TxBuffer[], unsigned int TxLength,
|
| 321 |
unsigned char RxBuffer[], unsigned int *RxLength)
|
| 322 |
{
|
| 323 |
unsigned char cmd[11+19+CMD_BUF_SIZE];
|
| 324 |
unsigned int a, b;
|
| 325 |
_ccid_descriptor *ccid_descriptor = get_ccid_descriptor(reader_index);
|
| 326 |
int old_read_timeout;
|
| 327 |
RESPONSECODE ret;
|
| 328 |
|
| 329 |
cmd[0] = 0x69; /* Secure */
|
| 330 |
cmd[5] = ccid_descriptor->bCurrentSlotIndex; /* slot number */
|
| 331 |
cmd[6] = (*ccid_descriptor->pbSeq)++;
|
| 332 |
cmd[7] = 0; /* bBWI */
|
| 333 |
cmd[8] = 0; /* wLevelParameter */
|
| 334 |
cmd[9] = 0;
|
| 335 |
cmd[10] = 1; /* bPINOperation: PIN Modification */
|
| 336 |
|
| 337 |
/* 24 is the size of the PCSC PIN modify structure
|
| 338 |
* The equivalent CCID structure is only 18 or 19-bytes long */
|
| 339 |
if (TxLength > 24+CMD_BUF_SIZE) /* command too large? */
|
| 340 |
{
|
| 341 |
DEBUG_INFO3("Command too long: %d > %d", TxLength, 24+CMD_BUF_SIZE);
|
| 342 |
*RxLength = 0;
|
| 343 |
return IFD_NOT_SUPPORTED;
|
| 344 |
}
|
| 345 |
|
| 346 |
if (TxLength < 24+4 /* 4 = APDU size */) /* command too short? */
|
| 347 |
{
|
| 348 |
DEBUG_INFO3("Command too short: %d < %d", TxLength, 24+4);
|
| 349 |
*RxLength = 0;
|
| 350 |
return IFD_NOT_SUPPORTED;
|
| 351 |
}
|
| 352 |
|
| 353 |
if (dw2i(TxBuffer, 20) + 24 != TxLength) /* ulDataLength field coherency */
|
| 354 |
{
|
| 355 |
DEBUG_INFO3("Wrong lengths: %d %d", dw2i(TxBuffer, 20) + 24, TxLength);
|
| 356 |
*RxLength = 0;
|
| 357 |
return IFD_NOT_SUPPORTED;
|
| 358 |
}
|
| 359 |
|
| 360 |
/* Make sure in the beginning if bNumberMessage is valid or not */
|
| 361 |
if (TxBuffer[11] > 3)
|
| 362 |
{
|
| 363 |
DEBUG_INFO2("Wrong bNumberMessage: %d", TxBuffer[11]);
|
| 364 |
*RxLength = 0;
|
| 365 |
return IFD_NOT_SUPPORTED;
|
| 366 |
}
|
| 367 |
|
| 368 |
#ifdef BOGUS_PINPAD_FIRMWARE
|
| 369 |
/* some firmwares are buggy so we try to "correct" the frame */
|
| 370 |
/*
|
| 371 |
* SPR 532 and Cherry ST 2000C has no display but requires _all_
|
| 372 |
* bMsgIndex fields with bNumberMessage set to 0.
|
| 373 |
*/
|
| 374 |
if ((SPR532 == ccid_descriptor->readerID)
|
| 375 |
|| (CHERRYST2000 == ccid_descriptor->readerID))
|
| 376 |
{
|
| 377 |
TxBuffer[11] = 0x03; /* set bNumberMessages to 3 so that
|
| 378 |
all bMsgIndex123 are filled */
|
| 379 |
TxBuffer[14] = TxBuffer[15] = TxBuffer[16] = 0; /* bMsgIndex123 */
|
| 380 |
}
|
| 381 |
|
| 382 |
/* the bug is a bit different than for the Cherry ST 2000C
|
| 383 |
* with bNumberMessages < 3 the command seems to be accepted
|
| 384 |
* and the card sends 6B 80 */
|
| 385 |
if (CHERRYXX44 == ccid_descriptor->readerID)
|
| 386 |
{
|
| 387 |
TxBuffer[11] = 0x03; /* set bNumberMessages to 3 so that
|
| 388 |
all bMsgIndex123 are filled */
|
| 389 |
}
|
| 390 |
|
| 391 |
/* bug circumvention for the GemPC Pinpad */
|
| 392 |
if (GEMPCPINPAD == ccid_descriptor->readerID)
|
| 393 |
{
|
| 394 |
/* The reader does not support, and actively reject, "max size reached"
|
| 395 |
* and "timeout occured" validation conditions */
|
| 396 |
if (0x02 != TxBuffer[10])
|
| 397 |
{
|
| 398 |
DEBUG_INFO2("Correct bEntryValidationCondition for GemPC Pinpad (was %d)",
|
| 399 |
TxBuffer[10]);
|
| 400 |
TxBuffer[10] = 0x02; /* validation key pressed */
|
| 401 |
}
|
| 402 |
|
| 403 |
/* the reader does not support any other value than 3 for the number
|
| 404 |
* of messages */
|
| 405 |
if (0x03 != TxBuffer[11])
|
| 406 |
{
|
| 407 |
DEBUG_INFO2("Correct bNumberMessages for GemPC Pinpad (was %d)",
|
| 408 |
TxBuffer[11]);
|
| 409 |
TxBuffer[11] = 0x03; /* 3 messages */
|
| 410 |
}
|
| 411 |
}
|
| 412 |
#endif
|
| 413 |
|
| 414 |
/* T=1 Protocol Management for a TPDU reader */
|
| 415 |
if ((SCARD_PROTOCOL_T1 == ccid_descriptor->cardProtocol)
|
| 416 |
&& (CCID_CLASS_TPDU == (ccid_descriptor->dwFeatures & CCID_CLASS_EXCHANGE_MASK)))
|
| 417 |
{
|
| 418 |
ct_buf_t sbuf;
|
| 419 |
unsigned char sdata[T1_BUFFER_SIZE];
|
| 420 |
|
| 421 |
/* Initialize send buffer with the APDU */
|
| 422 |
ct_buf_set(&sbuf,
|
| 423 |
(void *)(TxBuffer + offsetof(PIN_MODIFY_STRUCTURE, abData)),
|
| 424 |
TxLength - offsetof(PIN_MODIFY_STRUCTURE, abData));
|
| 425 |
|
| 426 |
/* Create T=1 block */
|
| 427 |
ret = t1_build(&((get_ccid_slot(reader_index))->t1),
|
| 428 |
sdata, 0, T1_I_BLOCK, &sbuf, NULL);
|
| 429 |
|
| 430 |
/* Increment the sequence numbers */
|
| 431 |
get_ccid_slot(reader_index)->t1.ns ^= 1;
|
| 432 |
get_ccid_slot(reader_index)->t1.nr ^= 1;
|
| 433 |
|
| 434 |
/* Copy the generated T=1 block prologue into the teoprologue
|
| 435 |
* of the CCID command */
|
| 436 |
memcpy(TxBuffer + offsetof(PIN_MODIFY_STRUCTURE, bTeoPrologue),
|
| 437 |
sdata, 3);
|
| 438 |
}
|
| 439 |
|
| 440 |
/* Build a CCID block from a PC/SC V2.1.2 Part 10 block */
|
| 441 |
|
| 442 |
/* Do adjustments as needed - CCID spec is not exact with some
|
| 443 |
* details in the format of the structure, per-reader adaptions
|
| 444 |
* might be needed.
|
| 445 |
*/
|
| 446 |
for (a = 11, b = 0; b < TxLength; b++)
|
| 447 |
{
|
| 448 |
if (1 == b) /* bTimeOut2 */
|
| 449 |
/* Ignore the second timeout as there's nothing we can do with it
|
| 450 |
* currently */
|
| 451 |
continue;
|
| 452 |
|
| 453 |
if (15 == b) /* bMsgIndex2 */
|
| 454 |
{
|
| 455 |
/* in CCID the bMsgIndex2 is present only if bNumberMessage != 0 */
|
| 456 |
if (0 == TxBuffer[11])
|
| 457 |
continue;
|
| 458 |
}
|
| 459 |
|
| 460 |
if (16 == b) /* bMsgIndex3 */
|
| 461 |
{
|
| 462 |
/* in CCID the bMsgIndex3 is present only if bNumberMessage == 3 */
|
| 463 |
if (TxBuffer[11] < 3)
|
| 464 |
continue;
|
| 465 |
}
|
| 466 |
|
| 467 |
if ((b >= 20) && (b <= 23)) /* ulDataLength field (4 bytes) */
|
| 468 |
/* the ulDataLength field is not present in the CCID frame
|
| 469 |
* so do not copy */
|
| 470 |
continue;
|
| 471 |
|
| 472 |
/* copy to the CCID block 'verbatim' */
|
| 473 |
cmd[a] = TxBuffer[b];
|
| 474 |
a++;
|
| 475 |
}
|
| 476 |
|
| 477 |
#ifdef BOGUS_PINPAD_FIRMWARE
|
| 478 |
if ((SPR532 == ccid_descriptor->readerID)
|
| 479 |
|| (CHERRYST2000 == ccid_descriptor->readerID))
|
| 480 |
{
|
| 481 |
cmd[21] = 0x00; /* set bNumberMessages to 0 */
|
| 482 |
}
|
| 483 |
#endif
|
| 484 |
|
| 485 |
/* We know the size of the CCID message now */
|
| 486 |
i2dw(a - 10, cmd + 1); /* command length (includes bPINOperation) */
|
| 487 |
|
| 488 |
old_read_timeout = ccid_descriptor -> readTimeout;
|
| 489 |
ccid_descriptor -> readTimeout = max(30, TxBuffer[0]); /* at least 30 seconds */
|
| 490 |
|
| 491 |
if (WritePort(reader_index, a, cmd) != STATUS_SUCCESS)
|
| 492 |
{
|
| 493 |
*RxLength = 0;
|
| 494 |
return IFD_COMMUNICATION_ERROR;
|
| 495 |
}
|
| 496 |
|
| 497 |
ret = CCID_Receive(reader_index, RxLength, RxBuffer);
|
| 498 |
|
| 499 |
/* T=1 Protocol Management for a TPDU reader */
|
| 500 |
if ((IFD_SUCCESS == ret)
|
| 501 |
&& (SCARD_PROTOCOL_T1 == ccid_descriptor->cardProtocol)
|
| 502 |
&& (CCID_CLASS_TPDU == (ccid_descriptor->dwFeatures & CCID_CLASS_EXCHANGE_MASK)))
|
| 503 |
{
|
| 504 |
/* timeout and cancel cases are faked by CCID_Receive() */
|
| 505 |
if (2 == *RxLength)
|
| 506 |
{
|
| 507 |
/* Decrement the sequence numbers since no TPDU was sent */
|
| 508 |
get_ccid_slot(reader_index)->t1.ns ^= 1;
|
| 509 |
get_ccid_slot(reader_index)->t1.nr ^= 1;
|
| 510 |
}
|
| 511 |
else
|
| 512 |
{
|
| 513 |
/* get only the T=1 data */
|
| 514 |
/* FIXME: manage T=1 error blocks */
|
| 515 |
memmove(RxBuffer, RxBuffer+3, *RxLength -4);
|
| 516 |
*RxLength -= 4; /* remove NAD, PCB, LEN and CRC */
|
| 517 |
}
|
| 518 |
}
|
| 519 |
|
| 520 |
ccid_descriptor -> readTimeout = old_read_timeout;
|
| 521 |
return ret;
|
| 522 |
} /* SecurePINModify */
|
| 523 |
|
| 524 |
|
| 525 |
/*****************************************************************************
|
| 526 |
*
|
| 527 |
* Escape
|
| 528 |
*
|
| 529 |
****************************************************************************/
|
| 530 |
RESPONSECODE CmdEscape(unsigned int reader_index,
|
| 531 |
const unsigned char TxBuffer[], unsigned int TxLength,
|
| 532 |
unsigned char RxBuffer[], unsigned int *RxLength)
|
| 533 |
{
|
| 534 |
unsigned char *cmd_in, *cmd_out;
|
| 535 |
status_t res;
|
| 536 |
unsigned int length_in, length_out;
|
| 537 |
RESPONSECODE return_value = IFD_SUCCESS;
|
| 538 |
_ccid_descriptor *ccid_descriptor = get_ccid_descriptor(reader_index);
|
| 539 |
|
| 540 |
again:
|
| 541 |
/* allocate buffers */
|
| 542 |
length_in = 10 + TxLength;
|
| 543 |
if (NULL == (cmd_in = malloc(length_in)))
|
| 544 |
return IFD_COMMUNICATION_ERROR;
|
| 545 |
|
| 546 |
length_out = 10 + *RxLength;
|
| 547 |
if (NULL == (cmd_out = malloc(length_out)))
|
| 548 |
{
|
| 549 |
free(cmd_in);
|
| 550 |
return IFD_COMMUNICATION_ERROR;
|
| 551 |
}
|
| 552 |
|
| 553 |
cmd_in[0] = 0x6B; /* PC_to_RDR_Escape */
|
| 554 |
i2dw(length_in - 10, cmd_in+1); /* dwLength */
|
| 555 |
cmd_in[5] = ccid_descriptor->bCurrentSlotIndex; /* slot number */
|
| 556 |
cmd_in[6] = (*ccid_descriptor->pbSeq)++;
|
| 557 |
cmd_in[7] = cmd_in[8] = cmd_in[9] = 0; /* RFU */
|
| 558 |
|
| 559 |
/* copy the command */
|
| 560 |
memcpy(&cmd_in[10], TxBuffer, TxLength);
|
| 561 |
|
| 562 |
res = WritePort(reader_index, length_in, cmd_in);
|
| 563 |
free(cmd_in);
|
| 564 |
if (res != STATUS_SUCCESS)
|
| 565 |
{
|
| 566 |
free(cmd_out);
|
| 567 |
return IFD_COMMUNICATION_ERROR;
|
| 568 |
}
|
| 569 |
|
| 570 |
res = ReadPort(reader_index, &length_out, cmd_out);
|
| 571 |
|
| 572 |
/* replay the command if NAK
|
| 573 |
* This (generally) happens only for the first command sent to the reader
|
| 574 |
* with the serial protocol so it is not really needed for all the other
|
| 575 |
* ReadPort() calls */
|
| 576 |
if (STATUS_COMM_NAK == res)
|
| 577 |
{
|
| 578 |
free(cmd_out);
|
| 579 |
goto again;
|
| 580 |
}
|
| 581 |
|
| 582 |
if (res != STATUS_SUCCESS)
|
| 583 |
{
|
| 584 |
free(cmd_out);
|
| 585 |
return IFD_COMMUNICATION_ERROR;
|
| 586 |
}
|
| 587 |
|
| 588 |
if (cmd_out[STATUS_OFFSET] & CCID_COMMAND_FAILED)
|
| 589 |
{
|
| 590 |
ccid_error(cmd_out[ERROR_OFFSET], __FILE__, __LINE__, __FUNCTION__); /* bError */
|
| 591 |
return_value = IFD_COMMUNICATION_ERROR;
|
| 592 |
}
|
| 593 |
|
| 594 |
/* copy the response */
|
| 595 |
length_out = dw2i(cmd_out, 1);
|
| 596 |
if (length_out > *RxLength)
|
| 597 |
length_out = *RxLength;
|
| 598 |
*RxLength = length_out;
|
| 599 |
memcpy(RxBuffer, &cmd_out[10], length_out);
|
| 600 |
|
| 601 |
free(cmd_out);
|
| 602 |
|
| 603 |
return return_value;
|
| 604 |
} /* Escape */
|
| 605 |
|
| 606 |
|
| 607 |
/*****************************************************************************
|
| 608 |
*
|
| 609 |
* CmdPowerOff
|
| 610 |
*
|
| 611 |
****************************************************************************/
|
| 612 |
RESPONSECODE CmdPowerOff(unsigned int reader_index)
|
| 613 |
{
|
| 614 |
unsigned char cmd[10];
|
| 615 |
status_t res;
|
| 616 |
unsigned int length;
|
| 617 |
RESPONSECODE return_value = IFD_SUCCESS;
|
| 618 |
_ccid_descriptor *ccid_descriptor = get_ccid_descriptor(reader_index);
|
| 619 |
|
| 620 |
cmd[0] = 0x63; /* IccPowerOff */
|
| 621 |
cmd[1] = cmd[2] = cmd[3] = cmd[4] = 0; /* dwLength */
|
| 622 |
cmd[5] = ccid_descriptor->bCurrentSlotIndex; /* slot number */
|
| 623 |
cmd[6] = (*ccid_descriptor->pbSeq)++;
|
| 624 |
cmd[7] = cmd[8] = cmd[9] = 0; /* RFU */
|
| 625 |
|
| 626 |
res = WritePort(reader_index, sizeof(cmd), cmd);
|
| 627 |
if (res != STATUS_SUCCESS)
|
| 628 |
return IFD_COMMUNICATION_ERROR;
|
| 629 |
|
| 630 |
length = sizeof(cmd);
|
| 631 |
res = ReadPort(reader_index, &length, cmd);
|
| 632 |
if (res != STATUS_SUCCESS)
|
| 633 |
return IFD_COMMUNICATION_ERROR;
|
| 634 |
|
| 635 |
if (cmd[STATUS_OFFSET] & CCID_COMMAND_FAILED)
|
| 636 |
{
|
| 637 |
ccid_error(cmd[ERROR_OFFSET], __FILE__, __LINE__, __FUNCTION__); /* bError */
|
| 638 |
return_value = IFD_COMMUNICATION_ERROR;
|
| 639 |
}
|
| 640 |
|
| 641 |
return return_value;
|
| 642 |
} /* CmdPowerOff */
|
| 643 |
|
| 644 |
|
| 645 |
/*****************************************************************************
|
| 646 |
*
|
| 647 |
* CmdGetSlotStatus
|
| 648 |
*
|
| 649 |
****************************************************************************/
|
| 650 |
RESPONSECODE CmdGetSlotStatus(unsigned int reader_index, unsigned char buffer[])
|
| 651 |
{
|
| 652 |
unsigned char cmd[10];
|
| 653 |
status_t res;
|
| 654 |
unsigned int length;
|
| 655 |
RESPONSECODE return_value = IFD_SUCCESS;
|
| 656 |
_ccid_descriptor *ccid_descriptor = get_ccid_descriptor(reader_index);
|
| 657 |
|
| 658 |
cmd[0] = 0x65; /* GetSlotStatus */
|
| 659 |
cmd[1] = cmd[2] = cmd[3] = cmd[4] = 0; /* dwLength */
|
| 660 |
cmd[5] = ccid_descriptor->bCurrentSlotIndex; /* slot number */
|
| 661 |
cmd[6] = (*ccid_descriptor->pbSeq)++;
|
| 662 |
cmd[7] = cmd[8] = cmd[9] = 0; /* RFU */
|
| 663 |
|
| 664 |
res = WritePort(reader_index, sizeof(cmd), cmd);
|
| 665 |
if (res != STATUS_SUCCESS)
|
| 666 |
return IFD_COMMUNICATION_ERROR;
|
| 667 |
|
| 668 |
length = SIZE_GET_SLOT_STATUS;
|
| 669 |
res = ReadPort(reader_index, &length, buffer);
|
| 670 |
if (res != STATUS_SUCCESS)
|
| 671 |
return IFD_COMMUNICATION_ERROR;
|
| 672 |
|
| 673 |
if (buffer[STATUS_OFFSET] & CCID_COMMAND_FAILED)
|
| 674 |
{
|
| 675 |
ccid_error(buffer[ERROR_OFFSET], __FILE__, __LINE__, __FUNCTION__); /* bError */
|
| 676 |
|
| 677 |
/* card absent or mute is not an communication error */
|
| 678 |
if (buffer[ERROR_OFFSET] != 0xFE)
|
| 679 |
return_value = IFD_COMMUNICATION_ERROR;
|
| 680 |
}
|
| 681 |
|
| 682 |
return return_value;
|
| 683 |
} /* CmdGetSlotStatus */
|
| 684 |
|
| 685 |
|
| 686 |
/*****************************************************************************
|
| 687 |
*
|
| 688 |
* CmdXfrBlock
|
| 689 |
*
|
| 690 |
****************************************************************************/
|
| 691 |
RESPONSECODE CmdXfrBlock(unsigned int reader_index, unsigned int tx_length,
|
| 692 |
unsigned char tx_buffer[], unsigned int *rx_length,
|
| 693 |
unsigned char rx_buffer[], int protocol)
|
| 694 |
{
|
| 695 |
RESPONSECODE return_value = IFD_SUCCESS;
|
| 696 |
_ccid_descriptor *ccid_descriptor = get_ccid_descriptor(reader_index);
|
| 697 |
|
| 698 |
/* command length too big for CCID reader? */
|
| 699 |
if (tx_length > ccid_descriptor->dwMaxCCIDMessageLength)
|
| 700 |
{
|
| 701 |
DEBUG_CRITICAL3("Command too long (%d bytes) for max: %d bytes",
|
| 702 |
tx_length, ccid_descriptor->dwMaxCCIDMessageLength);
|
| 703 |
return_value = IFD_COMMUNICATION_ERROR;
|
| 704 |
goto clean_up_and_return;
|
| 705 |
}
|
| 706 |
|
| 707 |
/* command length too big for CCID driver? */
|
| 708 |
if (tx_length > CMD_BUF_SIZE)
|
| 709 |
{
|
| 710 |
DEBUG_CRITICAL3("Command too long (%d bytes) for max: %d bytes",
|
| 711 |
tx_length, CMD_BUF_SIZE);
|
| 712 |
return_value = IFD_COMMUNICATION_ERROR;
|
| 713 |
goto clean_up_and_return;
|
| 714 |
}
|
| 715 |
|
| 716 |
/* APDU or TPDU? */
|
| 717 |
switch (ccid_descriptor->dwFeatures & CCID_CLASS_EXCHANGE_MASK)
|
| 718 |
{
|
| 719 |
case CCID_CLASS_TPDU:
|
| 720 |
if (protocol == T_0)
|
| 721 |
return_value = CmdXfrBlockTPDU_T0(reader_index,
|
| 722 |
tx_length, tx_buffer, rx_length, rx_buffer);
|
| 723 |
else
|
| 724 |
if (protocol == T_1)
|
| 725 |
return_value = CmdXfrBlockTPDU_T1(reader_index, tx_length,
|
| 726 |
tx_buffer, rx_length, rx_buffer);
|
| 727 |
else
|
| 728 |
return_value = IFD_PROTOCOL_NOT_SUPPORTED;
|
| 729 |
break;
|
| 730 |
|
| 731 |
case CCID_CLASS_SHORT_APDU:
|
| 732 |
case CCID_CLASS_EXTENDED_APDU:
|
| 733 |
/* We only support extended APDU if the reader can support the
|
| 734 |
* command length. See test above */
|
| 735 |
return_value = CmdXfrBlockTPDU_T0(reader_index,
|
| 736 |
tx_length, tx_buffer, rx_length, rx_buffer);
|
| 737 |
break;
|
| 738 |
|
| 739 |
case CCID_CLASS_CHARACTER:
|
| 740 |
if (protocol == T_0)
|
| 741 |
return_value = CmdXfrBlockCHAR_T0(reader_index, tx_length,
|
| 742 |
tx_buffer, rx_length, rx_buffer);
|
| 743 |
else
|
| 744 |
if (protocol == T_1)
|
| 745 |
return_value = CmdXfrBlockTPDU_T1(reader_index, tx_length,
|
| 746 |
tx_buffer, rx_length, rx_buffer);
|
| 747 |
else
|
| 748 |
return_value = IFD_PROTOCOL_NOT_SUPPORTED;
|
| 749 |
break;
|
| 750 |
|
| 751 |
default:
|
| 752 |
*rx_length = 0;
|
| 753 |
return_value = IFD_COMMUNICATION_ERROR;
|
| 754 |
}
|
| 755 |
|
| 756 |
clean_up_and_return:
|
| 757 |
return return_value;
|
| 758 |
} /* CmdXfrBlock */
|
| 759 |
|
| 760 |
|
| 761 |
/*****************************************************************************
|
| 762 |
*
|
| 763 |
* CCID_Transmit
|
| 764 |
*
|
| 765 |
****************************************************************************/
|
| 766 |
RESPONSECODE CCID_Transmit(unsigned int reader_index, unsigned int tx_length,
|
| 767 |
const unsigned char tx_buffer[], unsigned short rx_length, unsigned char bBWI)
|
| 768 |
{
|
| 769 |
unsigned char cmd[10+CMD_BUF_SIZE]; /* CCID + APDU buffer */
|
| 770 |
_ccid_descriptor *ccid_descriptor = get_ccid_descriptor(reader_index);
|
| 771 |
|
| 772 |
cmd[0] = 0x6F; /* XfrBlock */
|
| 773 |
i2dw(tx_length, cmd+1); /* APDU length */
|
| 774 |
cmd[5] = ccid_descriptor->bCurrentSlotIndex; /* slot number */
|
| 775 |
cmd[6] = (*ccid_descriptor->pbSeq)++;
|
| 776 |
cmd[7] = bBWI; /* extend block waiting timeout */
|
| 777 |
cmd[8] = rx_length & 0xFF; /* Expected length, in character mode only */
|
| 778 |
cmd[9] = (rx_length >> 8) & 0xFF;
|
| 779 |
|
| 780 |
/* check that the command is not too large */
|
| 781 |
if (tx_length > CMD_BUF_SIZE)
|
| 782 |
return IFD_NOT_SUPPORTED;
|
| 783 |
|
| 784 |
memcpy(cmd+10, tx_buffer, tx_length);
|
| 785 |
|
| 786 |
if (WritePort(reader_index, 10+tx_length, cmd) != STATUS_SUCCESS)
|
| 787 |
return IFD_COMMUNICATION_ERROR;
|
| 788 |
|
| 789 |
return IFD_SUCCESS;
|
| 790 |
} /* CCID_Transmit */
|
| 791 |
|
| 792 |
|
| 793 |
/*****************************************************************************
|
| 794 |
*
|
| 795 |
* CCID_Receive
|
| 796 |
*
|
| 797 |
****************************************************************************/
|
| 798 |
RESPONSECODE CCID_Receive(unsigned int reader_index, unsigned int *rx_length,
|
| 799 |
unsigned char rx_buffer[])
|
| 800 |
{
|
| 801 |
unsigned char cmd[10+CMD_BUF_SIZE]; /* CCID + APDU buffer */
|
| 802 |
unsigned int length;
|
| 803 |
|
| 804 |
time_request:
|
| 805 |
length = sizeof(cmd);
|
| 806 |
if (ReadPort(reader_index, &length, cmd) != STATUS_SUCCESS)
|
| 807 |
{
|
| 808 |
*rx_length = 0;
|
| 809 |
return IFD_COMMUNICATION_ERROR;
|
| 810 |
}
|
| 811 |
|
| 812 |
if (cmd[STATUS_OFFSET] & CCID_COMMAND_FAILED)
|
| 813 |
{
|
| 814 |
ccid_error(cmd[ERROR_OFFSET], __FILE__, __LINE__, __FUNCTION__); /* bError */
|
| 815 |
switch (cmd[ERROR_OFFSET])
|
| 816 |
{
|
| 817 |
case 0xEF: /* cancel */
|
| 818 |
if (*rx_length < 2)
|
| 819 |
return IFD_COMMUNICATION_ERROR;
|
| 820 |
rx_buffer[0]= 0x64;
|
| 821 |
rx_buffer[1]= 0x01;
|
| 822 |
*rx_length = 2;
|
| 823 |
return IFD_SUCCESS;
|
| 824 |
|
| 825 |
case 0xF0: /* timeout */
|
| 826 |
if (*rx_length < 2)
|
| 827 |
return IFD_COMMUNICATION_ERROR;
|
| 828 |
rx_buffer[0]= 0x64;
|
| 829 |
rx_buffer[1]= 0x00;
|
| 830 |
*rx_length = 2;
|
| 831 |
return IFD_SUCCESS;
|
| 832 |
|
| 833 |
case 0xFD: /* Parity error during exchange */
|
| 834 |
*rx_length = 0; /* nothing received */
|
| 835 |
return IFD_PARITY_ERROR;
|
| 836 |
|
| 837 |
default:
|
| 838 |
*rx_length = 0; /* nothing received */
|
| 839 |
return IFD_COMMUNICATION_ERROR;
|
| 840 |
}
|
| 841 |
}
|
| 842 |
|
| 843 |
if (cmd[STATUS_OFFSET] & CCID_TIME_EXTENSION)
|
| 844 |
{
|
| 845 |
DEBUG_COMM2("Time extension requested: 0x%02X", cmd[ERROR_OFFSET]);
|
| 846 |
goto time_request;
|
| 847 |
}
|
| 848 |
|
| 849 |
length = dw2i(cmd, 1);
|
| 850 |
if (length < *rx_length)
|
| 851 |
*rx_length = length;
|
| 852 |
else
|
| 853 |
length = *rx_length;
|
| 854 |
memcpy(rx_buffer, cmd+10, length);
|
| 855 |
|
| 856 |
return IFD_SUCCESS;
|
| 857 |
} /* CCID_Receive */
|
| 858 |
|
| 859 |
|
| 860 |
/*****************************************************************************
|
| 861 |
*
|
| 862 |
* CmdXfrBlockTPDU_T0
|
| 863 |
*
|
| 864 |
****************************************************************************/
|
| 865 |
static RESPONSECODE CmdXfrBlockTPDU_T0(unsigned int reader_index,
|
| 866 |
unsigned int tx_length, unsigned char tx_buffer[], unsigned int *rx_length,
|
| 867 |
unsigned char rx_buffer[])
|
| 868 |
{
|
| 869 |
RESPONSECODE return_value = IFD_SUCCESS;
|
| 870 |
|
| 871 |
DEBUG_COMM2("T=0: %d bytes", tx_length);
|
| 872 |
|
| 873 |
return_value = CCID_Transmit(reader_index, tx_length, tx_buffer, 0, 0);
|
| 874 |
if (return_value != IFD_SUCCESS)
|
| 875 |
return return_value;
|
| 876 |
|
| 877 |
return CCID_Receive(reader_index, rx_length, rx_buffer);
|
| 878 |
} /* CmdXfrBlockTPDU_T0 */
|
| 879 |
|
| 880 |
|
| 881 |
/*****************************************************************************
|
| 882 |
*
|
| 883 |
* T0CmdParsing
|
| 884 |
*
|
| 885 |
****************************************************************************/
|
| 886 |
static RESPONSECODE T0CmdParsing(unsigned char *cmd, unsigned int cmd_len,
|
| 887 |
unsigned int *exp_len)
|
| 888 |
{
|
| 889 |
*exp_len = 0;
|
| 890 |
|
| 891 |
/* Ref: 7816-4 Annex A */
|
| 892 |
switch (cmd_len)
|
| 893 |
{
|
| 894 |
case 4: /* Case 1 */
|
| 895 |
*exp_len = 2; /* SW1 and SW2 only */
|
| 896 |
break;
|
| 897 |
|
| 898 |
case 5: /* Case 2 */
|
| 899 |
if (cmd[4] != 0)
|
| 900 |
*exp_len = cmd[4] + 2;
|
| 901 |
else
|
| 902 |
*exp_len = 256 + 2;
|
| 903 |
break;
|
| 904 |
|
| 905 |
default: /* Case 3 */
|
| 906 |
if (cmd_len > 5 && cmd_len == (unsigned int)(cmd[4] + 5))
|
| 907 |
*exp_len = 2; /* SW1 and SW2 only */
|
| 908 |
else
|
| 909 |
return IFD_COMMUNICATION_ERROR; /* situation not supported */
|
| 910 |
break;
|
| 911 |
}
|
| 912 |
|
| 913 |
return IFD_SUCCESS;
|
| 914 |
} /* T0CmdParsing */
|
| 915 |
|
| 916 |
|
| 917 |
/*****************************************************************************
|
| 918 |
*
|
| 919 |
* T0ProcACK
|
| 920 |
*
|
| 921 |
****************************************************************************/
|
| 922 |
static RESPONSECODE T0ProcACK(unsigned int reader_index,
|
| 923 |
unsigned char **snd_buf, unsigned int *snd_len,
|
| 924 |
unsigned char **rcv_buf, unsigned int *rcv_len,
|
| 925 |
unsigned char **in_buf, unsigned int *in_len,
|
| 926 |
unsigned int proc_len, int is_rcv)
|
| 927 |
{
|
| 928 |
RESPONSECODE return_value;
|
| 929 |
unsigned int remain_len;
|
| 930 |
unsigned char tmp_buf[512];
|
| 931 |
unsigned int ret_len;
|
| 932 |
|
| 933 |
DEBUG_COMM2("Enter, is_rcv = %d", is_rcv);
|
| 934 |
|
| 935 |
if (is_rcv == 1)
|
| 936 |
{ /* Receiving mode */
|
| 937 |
if (*in_len > 0)
|
| 938 |
{ /* There are still available data in our buffer */
|
| 939 |
if (*in_len >= proc_len)
|
| 940 |
{
|
| 941 |
/* We only need to get the data from our buffer */
|
| 942 |
memcpy(*rcv_buf, *in_buf, proc_len);
|
| 943 |
*rcv_buf += proc_len;
|
| 944 |
*in_buf += proc_len;
|
| 945 |
*rcv_len += proc_len;
|
| 946 |
*in_len -= proc_len;
|
| 947 |
|
| 948 |
return IFD_SUCCESS;
|
| 949 |
}
|
| 950 |
else
|
| 951 |
{
|
| 952 |
/* Move all data in the input buffer to the reply buffer */
|
| 953 |
remain_len = proc_len - *in_len;
|
| 954 |
memcpy(*rcv_buf, *in_buf, *in_len);
|
| 955 |
*rcv_buf += *in_len;
|
| 956 |
*in_buf += *in_len;
|
| 957 |
*rcv_len += *in_len;
|
| 958 |
*in_len = 0;
|
| 959 |
}
|
| 960 |
}
|
| 961 |
else
|
| 962 |
/* There is no data in our tmp_buf,
|
| 963 |
* we have to read all data we needed */
|
| 964 |
remain_len = proc_len;
|
| 965 |
|
| 966 |
/* Read the expected data from the smartcard */
|
| 967 |
if (*in_len != 0)
|
| 968 |
{
|
| 969 |
DEBUG_CRITICAL("*in_len != 0");
|
| 970 |
return IFD_COMMUNICATION_ERROR;
|
| 971 |
}
|
| 972 |
|
| 973 |
memset(tmp_buf, 0, sizeof(tmp_buf));
|
| 974 |
|
| 975 |
ret_len = remain_len;
|
| 976 |
return_value = CCID_Transmit(reader_index, 0, *snd_buf, ret_len, 0);
|
| 977 |
if (return_value != IFD_SUCCESS)
|
| 978 |
return return_value;
|
| 979 |
|
| 980 |
return_value = CCID_Receive(reader_index, &ret_len, tmp_buf);
|
| 981 |
if (return_value != IFD_SUCCESS)
|
| 982 |
return return_value;
|
| 983 |
|
| 984 |
memcpy(*rcv_buf, tmp_buf, remain_len);
|
| 985 |
*rcv_buf += remain_len, *rcv_len += remain_len;
|
| 986 |
|
| 987 |
/* If ret_len != remain_len, our logic is erroneous */
|
| 988 |
if (ret_len != remain_len)
|
| 989 |
{
|
| 990 |
DEBUG_CRITICAL("ret_len != remain_len");
|
| 991 |
return IFD_COMMUNICATION_ERROR;
|
| 992 |
}
|
| 993 |
}
|
| 994 |
else
|
| 995 |
{ /* Sending mode */
|
| 996 |
|
| 997 |
return_value = CCID_Transmit(reader_index, proc_len, *snd_buf, 1, 0);
|
| 998 |
if (return_value != IFD_SUCCESS)
|
| 999 |
return return_value;
|
| 1000 |
|
| 1001 |
*snd_len -= proc_len;
|
| 1002 |
*snd_buf += proc_len;
|
| 1003 |
}
|
| 1004 |
|
| 1005 |
DEBUG_COMM("Exit");
|
| 1006 |
|
| 1007 |
return IFD_SUCCESS;
|
| 1008 |
} /* T0ProcACK */
|
| 1009 |
|
| 1010 |
|
| 1011 |
/*****************************************************************************
|
| 1012 |
*
|
| 1013 |
* T0ProcSW1
|
| 1014 |
*
|
| 1015 |
****************************************************************************/
|
| 1016 |
static RESPONSECODE T0ProcSW1(unsigned int reader_index,
|
| 1017 |
unsigned char *rcv_buf, unsigned int *rcv_len,
|
| 1018 |
unsigned char *in_buf, unsigned int in_len)
|
| 1019 |
{
|
| 1020 |
RESPONSECODE return_value = IFD_SUCCESS;
|
| 1021 |
UCHAR tmp_buf[512];
|
| 1022 |
unsigned char *rcv_buf_tmp = rcv_buf;
|
| 1023 |
const unsigned int rcv_len_tmp = *rcv_len;
|
| 1024 |
unsigned char sw1, sw2;
|
| 1025 |
|
| 1026 |
/* store the SW1 */
|
| 1027 |
sw1 = *rcv_buf = *in_buf;
|
| 1028 |
rcv_buf++;
|
| 1029 |
in_buf++;
|
| 1030 |
in_len--;
|
| 1031 |
(*rcv_len)++;
|
| 1032 |
|
| 1033 |
/* store the SW2 */
|
| 1034 |
if (0 == in_len)
|
| 1035 |
{
|
| 1036 |
return_value = CCID_Transmit(reader_index, 0, rcv_buf, 1, 0);
|
| 1037 |
if (return_value != IFD_SUCCESS)
|
| 1038 |
return return_value;
|
| 1039 |
|
| 1040 |
in_len = 1;
|
| 1041 |
|
| 1042 |
return_value = CCID_Receive(reader_index, &in_len, tmp_buf);
|
| 1043 |
if (return_value != IFD_SUCCESS)
|
| 1044 |
return return_value;
|
| 1045 |
|
| 1046 |
in_buf = tmp_buf;
|
| 1047 |
}
|
| 1048 |
sw2 = *rcv_buf = *in_buf;
|
| 1049 |
rcv_buf++;
|
| 1050 |
in_buf++;
|
| 1051 |
in_len--;
|
| 1052 |
(*rcv_len)++;
|
| 1053 |
|
| 1054 |
if (return_value != IFD_SUCCESS)
|
| 1055 |
{
|
| 1056 |
rcv_buf_tmp[0] = rcv_buf_tmp[1] = 0;
|
| 1057 |
*rcv_len = rcv_len_tmp;
|
| 1058 |
}
|
| 1059 |
|
| 1060 |
DEBUG_COMM3("Exit: SW=%02X %02X", sw1, sw2);
|
| 1061 |
|
| 1062 |
return return_value;
|
| 1063 |
} /* T0ProcSW1 */
|
| 1064 |
|
| 1065 |
|
| 1066 |
/*****************************************************************************
|
| 1067 |
*
|
| 1068 |
* CmdXfrBlockCHAR_T0
|
| 1069 |
*
|
| 1070 |
****************************************************************************/
|
| 1071 |
static RESPONSECODE CmdXfrBlockCHAR_T0(unsigned int reader_index,
|
| 1072 |
unsigned int snd_len, unsigned char snd_buf[], unsigned int *rcv_len,
|
| 1073 |
unsigned char rcv_buf[])
|
| 1074 |
{
|
| 1075 |
int is_rcv;
|
| 1076 |
unsigned char cmd[5];
|
| 1077 |
unsigned char tmp_buf[512];
|
| 1078 |
unsigned int exp_len, in_len;
|
| 1079 |
unsigned char ins, *in_buf;
|
| 1080 |
RESPONSECODE return_value = IFD_SUCCESS;
|
| 1081 |
|
| 1082 |
DEBUG_COMM2("T=0: %d bytes", snd_len);
|
| 1083 |
|
| 1084 |
in_buf = tmp_buf;
|
| 1085 |
in_len = 0;
|
| 1086 |
*rcv_len = 0;
|
| 1087 |
|
| 1088 |
return_value = T0CmdParsing(snd_buf, snd_len, &exp_len);
|
| 1089 |
if (return_value != IFD_SUCCESS)
|
| 1090 |
{
|
| 1091 |
DEBUG_CRITICAL("T0CmdParsing failed");
|
| 1092 |
return IFD_COMMUNICATION_ERROR;
|
| 1093 |
}
|
| 1094 |
|
| 1095 |
if (snd_len == 5 || snd_len == 4)
|
| 1096 |
is_rcv = 1;
|
| 1097 |
else
|
| 1098 |
is_rcv = 0;
|
| 1099 |
|
| 1100 |
/* Command to send to the smart card (must be 5 bytes, from 7816 p.15) */
|
| 1101 |
memset(cmd, 0, sizeof(cmd));
|
| 1102 |
if (snd_len == 4)
|
| 1103 |
{
|
| 1104 |
memcpy(cmd, snd_buf, 4);
|
| 1105 |
snd_buf += 4;
|
| 1106 |
snd_len -= 4;
|
| 1107 |
}
|
| 1108 |
else
|
| 1109 |
{
|
| 1110 |
memcpy(cmd, snd_buf, 5);
|
| 1111 |
snd_buf += 5;
|
| 1112 |
snd_len -= 5;
|
| 1113 |
}
|
| 1114 |
|
| 1115 |
/* Make sure this is a valid command by checking the INS field */
|
| 1116 |
ins = cmd[1];
|
| 1117 |
if ((ins & 0xF0) == 0x60 || /* 7816-3 8.3.2 */
|
| 1118 |
(ins & 0xF0) == 0x90)
|
| 1119 |
{
|
| 1120 |
DEBUG_CRITICAL2("fatal: INS (0x%02X) = 0x6X or 0x9X", ins);
|
| 1121 |
return IFD_COMMUNICATION_ERROR;
|
| 1122 |
}
|
| 1123 |
|
| 1124 |
return_value = CCID_Transmit(reader_index, 5, cmd, 1, 0);
|
| 1125 |
if (return_value != IFD_SUCCESS)
|
| 1126 |
return return_value;
|
| 1127 |
|
| 1128 |
while (1)
|
| 1129 |
{
|
| 1130 |
if (in_len == 0)
|
| 1131 |
{
|
| 1132 |
in_len = 1;
|
| 1133 |
return_value = CCID_Receive(reader_index, &in_len, tmp_buf);
|
| 1134 |
if (return_value != IFD_SUCCESS)
|
| 1135 |
{
|
| 1136 |
DEBUG_CRITICAL("CCID_Receive failed");
|
| 1137 |
return return_value;
|
| 1138 |
}
|
| 1139 |
in_buf = tmp_buf;
|
| 1140 |
}
|
| 1141 |
if (in_len == 0)
|
| 1142 |
{
|
| 1143 |
/* Suppose we should be able to get data.
|
| 1144 |
* If not, error. Set the time-out error */
|
| 1145 |
DEBUG_CRITICAL("error: in_len = 0");
|
| 1146 |
return IFD_RESPONSE_TIMEOUT;
|
| 1147 |
}
|
| 1148 |
|
| 1149 |
/* Start to process the procedure bytes */
|
| 1150 |
if (*in_buf == 0x60)
|
| 1151 |
{
|
| 1152 |
in_len = 0;
|
| 1153 |
return_value = CCID_Transmit(reader_index, 0, cmd, 1, 0);
|
| 1154 |
|
| 1155 |
if (return_value != IFD_SUCCESS)
|
| 1156 |
return return_value;
|
| 1157 |
|
| 1158 |
continue;
|
| 1159 |
}
|
| 1160 |
else if (*in_buf == ins || *in_buf == (ins ^ 0x01))
|
| 1161 |
{
|
| 1162 |
/* ACK => To transfer all remaining data bytes */
|
| 1163 |
in_buf++, in_len--;
|
| 1164 |
if (is_rcv)
|
| 1165 |
return_value = T0ProcACK(reader_index, &snd_buf, &snd_len,
|
| 1166 |
&rcv_buf, rcv_len, &in_buf, &in_len, exp_len - *rcv_len, 1);
|
| 1167 |
else
|
| 1168 |
return_value = T0ProcACK(reader_index, &snd_buf, &snd_len,
|
| 1169 |
&rcv_buf, rcv_len, &in_buf, &in_len, snd_len, 0);
|
| 1170 |
|
| 1171 |
if (*rcv_len == exp_len)
|
| 1172 |
return return_value;
|
| 1173 |
|
| 1174 |
continue;
|
| 1175 |
}
|
| 1176 |
else if (*in_buf == (ins ^ 0xFF) || *in_buf == (ins ^ 0xFE))
|
| 1177 |
{
|
| 1178 |
/* ACK => To transfer 1 remaining bytes */
|
| 1179 |
in_buf++, in_len--;
|
| 1180 |
return_value = T0ProcACK(reader_index, &snd_buf, &snd_len,
|
| 1181 |
&rcv_buf, rcv_len, &in_buf, &in_len, 1, is_rcv);
|
| 1182 |
|
| 1183 |
if (return_value != IFD_SUCCESS)
|
| 1184 |
return return_value;
|
| 1185 |
|
| 1186 |
continue;
|
| 1187 |
}
|
| 1188 |
else if ((*in_buf & 0xF0) == 0x60 || (*in_buf & 0xF0) == 0x90)
|
| 1189 |
/* SW1 */
|
| 1190 |
return T0ProcSW1(reader_index, rcv_buf, rcv_len, in_buf, in_len);
|
| 1191 |
|
| 1192 |
/* Error, unrecognized situation found */
|
| 1193 |
DEBUG_CRITICAL2("Unrecognized Procedure byte (0x%02X) found!", *in_buf);
|
| 1194 |
return return_value;
|
| 1195 |
}
|
| 1196 |
|
| 1197 |
return return_value;
|
| 1198 |
} /* CmdXfrBlockCHAR_T0 */
|
| 1199 |
|
| 1200 |
|
| 1201 |
/*****************************************************************************
|
| 1202 |
*
|
| 1203 |
* CmdXfrBlockTPDU_T1
|
| 1204 |
*
|
| 1205 |
****************************************************************************/
|
| 1206 |
static RESPONSECODE CmdXfrBlockTPDU_T1(unsigned int reader_index,
|
| 1207 |
unsigned int tx_length, unsigned char tx_buffer[], unsigned int *rx_length,
|
| 1208 |
unsigned char rx_buffer[])
|
| 1209 |
{
|
| 1210 |
RESPONSECODE return_value = IFD_SUCCESS;
|
| 1211 |
int ret;
|
| 1212 |
|
| 1213 |
DEBUG_COMM2("T=1: %d bytes", tx_length);
|
| 1214 |
|
| 1215 |
ret = t1_transceive(&((get_ccid_slot(reader_index)) -> t1), 0,
|
| 1216 |
tx_buffer, tx_length, rx_buffer, *rx_length);
|
| 1217 |
|
| 1218 |
if (ret < 0)
|
| 1219 |
{
|
| 1220 |
*rx_length = 0;
|
| 1221 |
return_value = IFD_COMMUNICATION_ERROR;
|
| 1222 |
}
|
| 1223 |
else
|
| 1224 |
*rx_length = ret;
|
| 1225 |
|
| 1226 |
return return_value;
|
| 1227 |
} /* CmdXfrBlockTPDU_T1 */
|
| 1228 |
|
| 1229 |
|
| 1230 |
/*****************************************************************************
|
| 1231 |
*
|
| 1232 |
* SetParameters
|
| 1233 |
*
|
| 1234 |
****************************************************************************/
|
| 1235 |
RESPONSECODE SetParameters(unsigned int reader_index, char protocol,
|
| 1236 |
unsigned int length, unsigned char buffer[])
|
| 1237 |
{
|
| 1238 |
unsigned char cmd[10+CMD_BUF_SIZE]; /* CCID + APDU buffer */
|
| 1239 |
_ccid_descriptor *ccid_descriptor = get_ccid_descriptor(reader_index);
|
| 1240 |
|
| 1241 |
DEBUG_COMM2("length: %d bytes", length);
|
| 1242 |
|
| 1243 |
cmd[0] = 0x61; /* SetParameters */
|
| 1244 |
i2dw(length, cmd+1); /* APDU length */
|
| 1245 |
cmd[5] = ccid_descriptor->bCurrentSlotIndex; /* slot number */
|
| 1246 |
cmd[6] = (*ccid_descriptor->pbSeq)++;
|
| 1247 |
cmd[7] = protocol; /* bProtocolNum */
|
| 1248 |
cmd[8] = cmd[9] = 0; /* RFU */
|
| 1249 |
|
| 1250 |
/* check that the command is not too large */
|
| 1251 |
if (length > CMD_BUF_SIZE)
|
| 1252 |
return IFD_NOT_SUPPORTED;
|
| 1253 |
|
| 1254 |
memcpy(cmd+10, buffer, length);
|
| 1255 |
|
| 1256 |
if (WritePort(reader_index, 10+length, cmd) != STATUS_SUCCESS)
|
| 1257 |
return IFD_COMMUNICATION_ERROR;
|
| 1258 |
|
| 1259 |
length = sizeof(cmd);
|
| 1260 |
if (ReadPort(reader_index, &length, cmd) != STATUS_SUCCESS)
|
| 1261 |
return IFD_COMMUNICATION_ERROR;
|
| 1262 |
|
| 1263 |
if (cmd[STATUS_OFFSET] & CCID_COMMAND_FAILED)
|
| 1264 |
{
|
| 1265 |
ccid_error(cmd[ERROR_OFFSET], __FILE__, __LINE__, __FUNCTION__); /* bError */
|
| 1266 |
if (0x00 == cmd[ERROR_OFFSET]) /* command not supported */
|
| 1267 |
return IFD_NOT_SUPPORTED;
|
| 1268 |
else
|
| 1269 |
return IFD_COMMUNICATION_ERROR;
|
| 1270 |
}
|
| 1271 |
|
| 1272 |
return IFD_SUCCESS;
|
| 1273 |
} /* SetParameters */
|
| 1274 |
|
| 1275 |
|
| 1276 |
/*****************************************************************************
|
| 1277 |
*
|
| 1278 |
* isCharLevel
|
| 1279 |
*
|
| 1280 |
****************************************************************************/
|
| 1281 |
int isCharLevel(int reader_index)
|
| 1282 |
{
|
| 1283 |
return CCID_CLASS_CHARACTER == (get_ccid_descriptor(reader_index)->dwFeatures & CCID_CLASS_EXCHANGE_MASK);
|
| 1284 |
} /* isCharLevel */
|
| 1285 |
|
| 1286 |
|
| 1287 |
/*****************************************************************************
|
| 1288 |
*
|
| 1289 |
* i2dw
|
| 1290 |
*
|
| 1291 |
****************************************************************************/
|
| 1292 |
static void i2dw(int value, unsigned char buffer[])
|
| 1293 |
{
|
| 1294 |
buffer[0] = value & 0xFF;
|
| 1295 |
buffer[1] = (value >> 8) & 0xFF;
|
| 1296 |
buffer[2] = (value >> 16) & 0xFF;
|
| 1297 |
buffer[3] = (value >> 24) & 0xFF;
|
| 1298 |
} /* i2dw */
|
| 1299 |
|
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