| 1 |
/*
|
| 2 |
ifdhandler.c: IFDH API
|
| 3 |
Copyright (C) 2003-2005 Ludovic Rousseau
|
| 4 |
|
| 5 |
This library is free software; you can redistribute it and/or
|
| 6 |
modify it under the terms of the GNU Lesser General Public
|
| 7 |
License as published by the Free Software Foundation; either
|
| 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,
|
| 11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| 13 |
Lesser General Public License for more details.
|
| 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
|
| 17 |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
| 18 |
*/
|
| 19 |
|
| 20 |
/* $Id$ */
|
| 21 |
|
| 22 |
#include <stdio.h>
|
| 23 |
#include <string.h>
|
| 24 |
#include <stdlib.h>
|
| 25 |
#include <arpa/inet.h>
|
| 26 |
#include "misc.h"
|
| 27 |
#include <pcsclite.h>
|
| 28 |
#include <ifdhandler.h>
|
| 29 |
#include <reader.h>
|
| 30 |
|
| 31 |
#include "ccid.h"
|
| 32 |
#include "defs.h"
|
| 33 |
#include "ccid_ifdhandler.h"
|
| 34 |
#include "config.h"
|
| 35 |
#include "debug.h"
|
| 36 |
#include "utils.h"
|
| 37 |
#include "commands.h"
|
| 38 |
#include "towitoko/atr.h"
|
| 39 |
#include "towitoko/pps.h"
|
| 40 |
#include "parser.h"
|
| 41 |
|
| 42 |
#ifdef HAVE_PTHREAD
|
| 43 |
#include <pthread.h>
|
| 44 |
#endif
|
| 45 |
|
| 46 |
/* Array of structures to hold the ATR and other state value of each slot */
|
| 47 |
static CcidDesc CcidSlots[CCID_DRIVER_MAX_READERS];
|
| 48 |
|
| 49 |
/* global mutex */
|
| 50 |
#ifdef HAVE_PTHREAD
|
| 51 |
static pthread_mutex_t ifdh_context_mutex = PTHREAD_MUTEX_INITIALIZER;
|
| 52 |
#endif
|
| 53 |
|
| 54 |
int LogLevel = DEBUG_LEVEL_CRITICAL | DEBUG_LEVEL_INFO;
|
| 55 |
int DriverOptions = 0;
|
| 56 |
int PowerOnVoltage = VOLTAGE_5V;
|
| 57 |
static int DebugInitialized = FALSE;
|
| 58 |
|
| 59 |
/* local functions */
|
| 60 |
static void init_driver(void);
|
| 61 |
static void extra_egt(ATR_t *atr, _ccid_descriptor *ccid_desc, DWORD Protocol);
|
| 62 |
static char find_baud_rate(unsigned int baudrate, unsigned int *list);
|
| 63 |
static unsigned int T0_card_timeout(double f, double d, int TC1, int TC2,
|
| 64 |
int clock_frequency);
|
| 65 |
static unsigned int T1_card_timeout(double f, double d, int TC1, int BWI,
|
| 66 |
int CWI, int clock_frequency);
|
| 67 |
|
| 68 |
|
| 69 |
EXTERNAL RESPONSECODE IFDHCreateChannelByName(DWORD Lun, LPSTR lpcDevice)
|
| 70 |
{
|
| 71 |
RESPONSECODE return_value = IFD_SUCCESS;
|
| 72 |
int reader_index;
|
| 73 |
|
| 74 |
if (! DebugInitialized)
|
| 75 |
init_driver();
|
| 76 |
|
| 77 |
DEBUG_INFO3("lun: %X, device: %s", Lun, lpcDevice);
|
| 78 |
|
| 79 |
if (-1 == (reader_index = GetNewReaderIndex(Lun)))
|
| 80 |
return IFD_COMMUNICATION_ERROR;
|
| 81 |
|
| 82 |
/* Reset ATR buffer */
|
| 83 |
CcidSlots[reader_index].nATRLength = 0;
|
| 84 |
*CcidSlots[reader_index].pcATRBuffer = '\0';
|
| 85 |
|
| 86 |
/* Reset PowerFlags */
|
| 87 |
CcidSlots[reader_index].bPowerFlags = POWERFLAGS_RAZ;
|
| 88 |
|
| 89 |
#ifdef HAVE_PTHREAD
|
| 90 |
pthread_mutex_lock(&ifdh_context_mutex);
|
| 91 |
#endif
|
| 92 |
|
| 93 |
if (OpenPortByName(reader_index, lpcDevice) != STATUS_SUCCESS)
|
| 94 |
{
|
| 95 |
DEBUG_CRITICAL("failed");
|
| 96 |
return_value = IFD_COMMUNICATION_ERROR;
|
| 97 |
|
| 98 |
/* release the allocated reader_index */
|
| 99 |
ReleaseReaderIndex(reader_index);
|
| 100 |
}
|
| 101 |
else
|
| 102 |
{
|
| 103 |
/* Maybe we have a special treatment for this reader */
|
| 104 |
ccid_open_hack(reader_index);
|
| 105 |
|
| 106 |
/* Try to access the reader */
|
| 107 |
/* This "warm up" sequence is sometimes needed when pcscd is
|
| 108 |
* restarted with the reader already connected. We get some
|
| 109 |
* "usb_bulk_read: Resource temporarily unavailable" on the first
|
| 110 |
* few tries. It is an empirical hack */
|
| 111 |
if ((IFD_COMMUNICATION_ERROR == IFDHICCPresence(Lun))
|
| 112 |
&& (IFD_COMMUNICATION_ERROR == IFDHICCPresence(Lun))
|
| 113 |
&& (IFD_COMMUNICATION_ERROR == IFDHICCPresence(Lun)))
|
| 114 |
{
|
| 115 |
DEBUG_CRITICAL("failed");
|
| 116 |
return_value = IFD_COMMUNICATION_ERROR;
|
| 117 |
|
| 118 |
/* release the allocated reader_index */
|
| 119 |
ReleaseReaderIndex(reader_index);
|
| 120 |
}
|
| 121 |
}
|
| 122 |
|
| 123 |
#ifdef HAVE_PTHREAD
|
| 124 |
pthread_mutex_unlock(&ifdh_context_mutex);
|
| 125 |
#endif
|
| 126 |
|
| 127 |
return return_value;
|
| 128 |
} /* IFDHCreateChannelByName */
|
| 129 |
|
| 130 |
|
| 131 |
EXTERNAL RESPONSECODE IFDHCreateChannel(DWORD Lun, DWORD Channel)
|
| 132 |
{
|
| 133 |
/*
|
| 134 |
* Lun - Logical Unit Number, use this for multiple card slots or
|
| 135 |
* multiple readers. 0xXXXXYYYY - XXXX multiple readers, YYYY multiple
|
| 136 |
* slots. The resource manager will set these automatically. By
|
| 137 |
* default the resource manager loads a new instance of the driver so
|
| 138 |
* if your reader does not have more than one smartcard slot then
|
| 139 |
* ignore the Lun in all the functions. Future versions of PC/SC might
|
| 140 |
* support loading multiple readers through one instance of the driver
|
| 141 |
* in which XXXX would be important to implement if you want this.
|
| 142 |
*/
|
| 143 |
|
| 144 |
/*
|
| 145 |
* Channel - Channel ID. This is denoted by the following: 0x000001 -
|
| 146 |
* /dev/pcsc/1 0x000002 - /dev/pcsc/2 0x000003 - /dev/pcsc/3
|
| 147 |
*
|
| 148 |
* USB readers may choose to ignore this parameter and query the bus
|
| 149 |
* for the particular reader.
|
| 150 |
*/
|
| 151 |
|
| 152 |
/*
|
| 153 |
* This function is required to open a communications channel to the
|
| 154 |
* port listed by Channel. For example, the first serial reader on
|
| 155 |
* COM1 would link to /dev/pcsc/1 which would be a sym link to
|
| 156 |
* /dev/ttyS0 on some machines This is used to help with intermachine
|
| 157 |
* independance.
|
| 158 |
*
|
| 159 |
* Once the channel is opened the reader must be in a state in which
|
| 160 |
* it is possible to query IFDHICCPresence() for card status.
|
| 161 |
*
|
| 162 |
* returns:
|
| 163 |
*
|
| 164 |
* IFD_SUCCESS IFD_COMMUNICATION_ERROR
|
| 165 |
*/
|
| 166 |
RESPONSECODE return_value = IFD_SUCCESS;
|
| 167 |
int reader_index;
|
| 168 |
|
| 169 |
if (! DebugInitialized)
|
| 170 |
init_driver();
|
| 171 |
|
| 172 |
DEBUG_INFO2("lun: %X", Lun);
|
| 173 |
|
| 174 |
if (-1 == (reader_index = GetNewReaderIndex(Lun)))
|
| 175 |
return IFD_COMMUNICATION_ERROR;
|
| 176 |
|
| 177 |
/* Reset ATR buffer */
|
| 178 |
CcidSlots[reader_index].nATRLength = 0;
|
| 179 |
*CcidSlots[reader_index].pcATRBuffer = '\0';
|
| 180 |
|
| 181 |
/* Reset PowerFlags */
|
| 182 |
CcidSlots[reader_index].bPowerFlags = POWERFLAGS_RAZ;
|
| 183 |
|
| 184 |
#ifdef HAVE_PTHREAD
|
| 185 |
pthread_mutex_lock(&ifdh_context_mutex);
|
| 186 |
#endif
|
| 187 |
|
| 188 |
if (OpenPort(reader_index, Channel) != STATUS_SUCCESS)
|
| 189 |
{
|
| 190 |
DEBUG_CRITICAL("failed");
|
| 191 |
return_value = IFD_COMMUNICATION_ERROR;
|
| 192 |
|
| 193 |
/* release the allocated reader_index */
|
| 194 |
ReleaseReaderIndex(reader_index);
|
| 195 |
}
|
| 196 |
else
|
| 197 |
/* Maybe we have a special treatment for this reader */
|
| 198 |
ccid_open_hack(reader_index);
|
| 199 |
|
| 200 |
#ifdef HAVE_PTHREAD
|
| 201 |
pthread_mutex_unlock(&ifdh_context_mutex);
|
| 202 |
#endif
|
| 203 |
|
| 204 |
return return_value;
|
| 205 |
} /* IFDHCreateChannel */
|
| 206 |
|
| 207 |
|
| 208 |
EXTERNAL RESPONSECODE IFDHCloseChannel(DWORD Lun)
|
| 209 |
{
|
| 210 |
/*
|
| 211 |
* This function should close the reader communication channel for the
|
| 212 |
* particular reader. Prior to closing the communication channel the
|
| 213 |
* reader should make sure the card is powered down and the terminal
|
| 214 |
* is also powered down.
|
| 215 |
*
|
| 216 |
* returns:
|
| 217 |
*
|
| 218 |
* IFD_SUCCESS IFD_COMMUNICATION_ERROR
|
| 219 |
*/
|
| 220 |
int reader_index;
|
| 221 |
|
| 222 |
DEBUG_INFO2("lun: %X", Lun);
|
| 223 |
|
| 224 |
if (-1 == (reader_index = LunToReaderIndex(Lun)))
|
| 225 |
return IFD_COMMUNICATION_ERROR;
|
| 226 |
|
| 227 |
/* Restore the default timeout
|
| 228 |
* No need to wait too long if the reader disapeared */
|
| 229 |
get_ccid_descriptor(reader_index)->readTimeout = DEFAULT_COM_READ_TIMEOUT;
|
| 230 |
|
| 231 |
(void)CmdPowerOff(reader_index);
|
| 232 |
/* No reader status check, if it failed, what can you do ? :) */
|
| 233 |
|
| 234 |
#ifdef HAVE_PTHREAD
|
| 235 |
pthread_mutex_lock(&ifdh_context_mutex);
|
| 236 |
#endif
|
| 237 |
|
| 238 |
(void)ClosePort(reader_index);
|
| 239 |
ReleaseReaderIndex(reader_index);
|
| 240 |
|
| 241 |
#ifdef HAVE_PTHREAD
|
| 242 |
pthread_mutex_unlock(&ifdh_context_mutex);
|
| 243 |
#endif
|
| 244 |
|
| 245 |
return IFD_SUCCESS;
|
| 246 |
} /* IFDHCloseChannel */
|
| 247 |
|
| 248 |
|
| 249 |
EXTERNAL RESPONSECODE IFDHGetCapabilities(DWORD Lun, DWORD Tag,
|
| 250 |
PDWORD Length, PUCHAR Value)
|
| 251 |
{
|
| 252 |
/*
|
| 253 |
* This function should get the slot/card capabilities for a
|
| 254 |
* particular slot/card specified by Lun. Again, if you have only 1
|
| 255 |
* card slot and don't mind loading a new driver for each reader then
|
| 256 |
* ignore Lun.
|
| 257 |
*
|
| 258 |
* Tag - the tag for the information requested example: TAG_IFD_ATR -
|
| 259 |
* return the Atr and it's size (required). these tags are defined in
|
| 260 |
* ifdhandler.h
|
| 261 |
*
|
| 262 |
* Length - the length of the returned data Value - the value of the
|
| 263 |
* data
|
| 264 |
*
|
| 265 |
* returns:
|
| 266 |
*
|
| 267 |
* IFD_SUCCESS IFD_ERROR_TAG
|
| 268 |
*/
|
| 269 |
int reader_index;
|
| 270 |
|
| 271 |
DEBUG_INFO3("lun: %X, tag: 0x%X", Lun, Tag);
|
| 272 |
|
| 273 |
if (-1 == (reader_index = LunToReaderIndex(Lun)))
|
| 274 |
return IFD_COMMUNICATION_ERROR;
|
| 275 |
|
| 276 |
switch (Tag)
|
| 277 |
{
|
| 278 |
case TAG_IFD_ATR:
|
| 279 |
case SCARD_ATTR_ATR_STRING:
|
| 280 |
/* If Length is not zero, powerICC has been performed.
|
| 281 |
* Otherwise, return NULL pointer
|
| 282 |
* Buffer size is stored in *Length */
|
| 283 |
*Length = (*Length < CcidSlots[reader_index].nATRLength) ?
|
| 284 |
*Length : CcidSlots[reader_index].nATRLength;
|
| 285 |
|
| 286 |
if (*Length)
|
| 287 |
memcpy(Value, CcidSlots[reader_index].pcATRBuffer, *Length);
|
| 288 |
break;
|
| 289 |
|
| 290 |
#ifdef HAVE_PTHREAD
|
| 291 |
case TAG_IFD_SIMULTANEOUS_ACCESS:
|
| 292 |
if (*Length >= 1)
|
| 293 |
{
|
| 294 |
*Length = 1;
|
| 295 |
*Value = CCID_DRIVER_MAX_READERS;
|
| 296 |
}
|
| 297 |
break;
|
| 298 |
|
| 299 |
case TAG_IFD_THREAD_SAFE:
|
| 300 |
if (*Length >= 1)
|
| 301 |
{
|
| 302 |
*Length = 1;
|
| 303 |
*Value = 1; /* Can talk to multiple readers at the same time */
|
| 304 |
}
|
| 305 |
break;
|
| 306 |
#endif
|
| 307 |
|
| 308 |
case TAG_IFD_SLOTS_NUMBER:
|
| 309 |
if (*Length >= 1)
|
| 310 |
{
|
| 311 |
*Length = 1;
|
| 312 |
*Value = 1 + get_ccid_descriptor(reader_index) -> bMaxSlotIndex;
|
| 313 |
DEBUG_INFO2("Reader supports %d slots", *Value);
|
| 314 |
}
|
| 315 |
break;
|
| 316 |
|
| 317 |
case TAG_IFD_SLOT_THREAD_SAFE:
|
| 318 |
if (*Length >= 1)
|
| 319 |
{
|
| 320 |
*Length = 1;
|
| 321 |
*Value = 0; /* Can NOT talk to multiple slots at the same time */
|
| 322 |
}
|
| 323 |
break;
|
| 324 |
|
| 325 |
case SCARD_ATTR_VENDOR_IFD_VERSION:
|
| 326 |
/* Vendor-supplied interface device version (DWORD in the form
|
| 327 |
* 0xMMmmbbbb where MM = major version, mm = minor version, and
|
| 328 |
* bbbb = build number). */
|
| 329 |
*Length = sizeof(DWORD);
|
| 330 |
if (Value)
|
| 331 |
*(DWORD *)Value = CCID_VERSION;
|
| 332 |
break;
|
| 333 |
|
| 334 |
case SCARD_ATTR_VENDOR_NAME:
|
| 335 |
#define VENDOR_NAME "Ludovic Rousseau"
|
| 336 |
*Length = sizeof(VENDOR_NAME);
|
| 337 |
if (Value)
|
| 338 |
memcpy(Value, VENDOR_NAME, sizeof(VENDOR_NAME));
|
| 339 |
break;
|
| 340 |
|
| 341 |
default:
|
| 342 |
return IFD_ERROR_TAG;
|
| 343 |
}
|
| 344 |
|
| 345 |
return IFD_SUCCESS;
|
| 346 |
} /* IFDHGetCapabilities */
|
| 347 |
|
| 348 |
|
| 349 |
EXTERNAL RESPONSECODE IFDHSetCapabilities(DWORD Lun, DWORD Tag,
|
| 350 |
/*@unused@*/ DWORD Length, /*@unused@*/ PUCHAR Value)
|
| 351 |
{
|
| 352 |
/*
|
| 353 |
* This function should set the slot/card capabilities for a
|
| 354 |
* particular slot/card specified by Lun. Again, if you have only 1
|
| 355 |
* card slot and don't mind loading a new driver for each reader then
|
| 356 |
* ignore Lun.
|
| 357 |
*
|
| 358 |
* Tag - the tag for the information needing set
|
| 359 |
*
|
| 360 |
* Length - the length of the returned data Value - the value of the
|
| 361 |
* data
|
| 362 |
*
|
| 363 |
* returns:
|
| 364 |
*
|
| 365 |
* IFD_SUCCESS IFD_ERROR_TAG IFD_ERROR_SET_FAILURE
|
| 366 |
* IFD_ERROR_VALUE_READ_ONLY
|
| 367 |
*/
|
| 368 |
|
| 369 |
/* By default, say it worked */
|
| 370 |
|
| 371 |
DEBUG_INFO3("lun: %X, tag: 0x%X", Lun, Tag);
|
| 372 |
|
| 373 |
/* if (CheckLun(Lun))
|
| 374 |
return IFD_COMMUNICATION_ERROR; */
|
| 375 |
|
| 376 |
return IFD_NOT_SUPPORTED;
|
| 377 |
} /* IFDHSetCapabilities */
|
| 378 |
|
| 379 |
|
| 380 |
EXTERNAL RESPONSECODE IFDHSetProtocolParameters(DWORD Lun, DWORD Protocol,
|
| 381 |
UCHAR Flags, UCHAR PTS1, UCHAR PTS2, UCHAR PTS3)
|
| 382 |
{
|
| 383 |
/*
|
| 384 |
* This function should set the PTS of a particular card/slot using
|
| 385 |
* the three PTS parameters sent
|
| 386 |
*
|
| 387 |
* Protocol - 0 .... 14 T=0 .... T=14
|
| 388 |
* Flags - Logical OR of possible values:
|
| 389 |
* IFD_NEGOTIATE_PTS1
|
| 390 |
* IFD_NEGOTIATE_PTS2
|
| 391 |
* IFD_NEGOTIATE_PTS3
|
| 392 |
* to determine which PTS values to negotiate.
|
| 393 |
* PTS1,PTS2,PTS3 - PTS Values.
|
| 394 |
*
|
| 395 |
* returns:
|
| 396 |
* IFD_SUCCESS
|
| 397 |
* IFD_ERROR_PTS_FAILURE
|
| 398 |
* IFD_COMMUNICATION_ERROR
|
| 399 |
* IFD_PROTOCOL_NOT_SUPPORTED
|
| 400 |
*/
|
| 401 |
|
| 402 |
BYTE pps[PPS_MAX_LENGTH];
|
| 403 |
ATR_t atr;
|
| 404 |
unsigned int len;
|
| 405 |
int convention;
|
| 406 |
int reader_index;
|
| 407 |
|
| 408 |
/* Set ccid desc params */
|
| 409 |
CcidDesc *ccid_slot;
|
| 410 |
_ccid_descriptor *ccid_desc;
|
| 411 |
|
| 412 |
DEBUG_INFO3("lun: %X, protocol T=%d", Lun, Protocol-1);
|
| 413 |
|
| 414 |
if (-1 == (reader_index = LunToReaderIndex(Lun)))
|
| 415 |
return IFD_COMMUNICATION_ERROR;
|
| 416 |
|
| 417 |
/* Set to zero buffer */
|
| 418 |
memset(pps, 0, sizeof(pps));
|
| 419 |
memset(&atr, 0, sizeof(atr));
|
| 420 |
|
| 421 |
/* Get ccid params */
|
| 422 |
ccid_slot = get_ccid_slot(reader_index);
|
| 423 |
ccid_desc = get_ccid_descriptor(reader_index);
|
| 424 |
|
| 425 |
/* Do not send CCID command SetParameters or PPS to the CCID
|
| 426 |
* The CCID will do this himself */
|
| 427 |
if (ccid_desc->dwFeatures & CCID_CLASS_AUTO_PPS_PROP)
|
| 428 |
return IFD_SUCCESS;
|
| 429 |
|
| 430 |
/* Get ATR of the card */
|
| 431 |
ATR_InitFromArray(&atr, ccid_slot->pcATRBuffer, ccid_slot->nATRLength);
|
| 432 |
|
| 433 |
/* Apply Extra EGT patch for bogus cards */
|
| 434 |
extra_egt(&atr, ccid_desc, Protocol);
|
| 435 |
|
| 436 |
if (SCARD_PROTOCOL_T0 == Protocol)
|
| 437 |
pps[1] |= ATR_PROTOCOL_TYPE_T0;
|
| 438 |
else
|
| 439 |
if (SCARD_PROTOCOL_T1 == Protocol)
|
| 440 |
pps[1] |= ATR_PROTOCOL_TYPE_T1;
|
| 441 |
else
|
| 442 |
return IFD_PROTOCOL_NOT_SUPPORTED;
|
| 443 |
|
| 444 |
/* TA2 present -> specific mode */
|
| 445 |
if (atr.ib[1][ATR_INTERFACE_BYTE_TA].present)
|
| 446 |
{
|
| 447 |
if (pps[1] != (atr.ib[1][ATR_INTERFACE_BYTE_TA].value & 0x0F))
|
| 448 |
{
|
| 449 |
/* wrong protocol */
|
| 450 |
DEBUG_COMM3("Specific mode in T=%d and T=%d requested",
|
| 451 |
atr.ib[1][ATR_INTERFACE_BYTE_TA].value & 0x0F, pps[1]);
|
| 452 |
|
| 453 |
return IFD_PROTOCOL_NOT_SUPPORTED;
|
| 454 |
}
|
| 455 |
}
|
| 456 |
|
| 457 |
/* TCi (i>2) indicates CRC instead of LRC */
|
| 458 |
if (SCARD_PROTOCOL_T1 == Protocol)
|
| 459 |
{
|
| 460 |
t1_state_t *t1 = &(ccid_slot -> t1);
|
| 461 |
int i;
|
| 462 |
|
| 463 |
/* TCi (i>2) present? */
|
| 464 |
for (i=2; i<ATR_MAX_PROTOCOLS; i++)
|
| 465 |
if (atr.ib[i][ATR_INTERFACE_BYTE_TC].present)
|
| 466 |
{
|
| 467 |
if (0 == atr.ib[i][ATR_INTERFACE_BYTE_TC].value)
|
| 468 |
{
|
| 469 |
DEBUG_COMM("Use LRC");
|
| 470 |
t1_set_param(t1, IFD_PROTOCOL_T1_CHECKSUM_LRC, 0);
|
| 471 |
}
|
| 472 |
else
|
| 473 |
if (1 == atr.ib[i][ATR_INTERFACE_BYTE_TC].value)
|
| 474 |
{
|
| 475 |
DEBUG_COMM("Use CRC");
|
| 476 |
t1_set_param(t1, IFD_PROTOCOL_T1_CHECKSUM_CRC, 0);
|
| 477 |
}
|
| 478 |
else
|
| 479 |
DEBUG_COMM2("Wrong value for TCi: %d",
|
| 480 |
atr.ib[i][ATR_INTERFACE_BYTE_TC].value);
|
| 481 |
|
| 482 |
/* only the first TCi (i>2) must be used */
|
| 483 |
break;
|
| 484 |
}
|
| 485 |
}
|
| 486 |
|
| 487 |
/* PTS1? */
|
| 488 |
if (Flags & IFD_NEGOTIATE_PTS1)
|
| 489 |
{
|
| 490 |
/* just use the value passed in argument */
|
| 491 |
pps[1] |= 0x10; /* PTS1 presence */
|
| 492 |
pps[2] = PTS1;
|
| 493 |
}
|
| 494 |
else
|
| 495 |
{
|
| 496 |
/* TA1 present */
|
| 497 |
if (atr.ib[0][ATR_INTERFACE_BYTE_TA].present)
|
| 498 |
{
|
| 499 |
unsigned int card_baudrate;
|
| 500 |
unsigned int default_baudrate;
|
| 501 |
double f, d;
|
| 502 |
|
| 503 |
ATR_GetParameter(&atr, ATR_PARAMETER_D, &d);
|
| 504 |
ATR_GetParameter(&atr, ATR_PARAMETER_F, &f);
|
| 505 |
|
| 506 |
/* may happen with non ISO cards */
|
| 507 |
if ((0 == f) || (0 == d))
|
| 508 |
{
|
| 509 |
/* values for TA1=11 */
|
| 510 |
f = 372;
|
| 511 |
d = 1;
|
| 512 |
}
|
| 513 |
|
| 514 |
/* Baudrate = f x D/F */
|
| 515 |
card_baudrate = (unsigned int) (1000 * ccid_desc->dwDefaultClock
|
| 516 |
* d / f);
|
| 517 |
|
| 518 |
default_baudrate = (unsigned int) (1000 * ccid_desc->dwDefaultClock
|
| 519 |
* ATR_DEFAULT_D / ATR_DEFAULT_F);
|
| 520 |
|
| 521 |
/* if the card does not try to lower the default speed */
|
| 522 |
if ((card_baudrate > default_baudrate)
|
| 523 |
/* and the reader is fast enough */
|
| 524 |
&& (card_baudrate <= ccid_desc->dwMaxDataRate))
|
| 525 |
{
|
| 526 |
/* the reader has no baud rates table */
|
| 527 |
if ((NULL == ccid_desc->arrayOfSupportedDataRates)
|
| 528 |
/* or explicitely support it */
|
| 529 |
|| find_baud_rate(card_baudrate,
|
| 530 |
ccid_desc->arrayOfSupportedDataRates))
|
| 531 |
{
|
| 532 |
pps[1] |= 0x10; /* PTS1 presence */
|
| 533 |
pps[2] = atr.ib[0][ATR_INTERFACE_BYTE_TA].value;
|
| 534 |
|
| 535 |
DEBUG_COMM2("Set speed to %d bauds", card_baudrate);
|
| 536 |
}
|
| 537 |
else
|
| 538 |
{
|
| 539 |
DEBUG_COMM2("Reader does not support %d bauds",
|
| 540 |
card_baudrate);
|
| 541 |
|
| 542 |
/* TA2 present -> specific mode: the card is supporting
|
| 543 |
* only the baud rate specified in TA1 but reader does not
|
| 544 |
* support this value. Reject the card. */
|
| 545 |
if (atr.ib[1][ATR_INTERFACE_BYTE_TA].present)
|
| 546 |
return IFD_COMMUNICATION_ERROR;
|
| 547 |
}
|
| 548 |
}
|
| 549 |
else
|
| 550 |
{
|
| 551 |
/* the card is too fast for the reader */
|
| 552 |
if ((card_baudrate > ccid_desc->dwMaxDataRate +2)
|
| 553 |
/* but TA1 <= 97 */
|
| 554 |
&& (atr.ib[0][ATR_INTERFACE_BYTE_TA].value <= 0x97)
|
| 555 |
/* and the reader has a baud rate table */
|
| 556 |
&& ccid_desc->arrayOfSupportedDataRates)
|
| 557 |
{
|
| 558 |
unsigned char old_TA1;
|
| 559 |
|
| 560 |
old_TA1 = atr.ib[0][ATR_INTERFACE_BYTE_TA].value;
|
| 561 |
while (atr.ib[0][ATR_INTERFACE_BYTE_TA].value > 0x94)
|
| 562 |
{
|
| 563 |
/* use a lower TA1 */
|
| 564 |
atr.ib[0][ATR_INTERFACE_BYTE_TA].value--;
|
| 565 |
|
| 566 |
ATR_GetParameter(&atr, ATR_PARAMETER_D, &d);
|
| 567 |
ATR_GetParameter(&atr, ATR_PARAMETER_F, &f);
|
| 568 |
|
| 569 |
/* Baudrate = f x D/F */
|
| 570 |
card_baudrate = (unsigned int) (1000 *
|
| 571 |
ccid_desc->dwDefaultClock * d / f);
|
| 572 |
|
| 573 |
if (find_baud_rate(card_baudrate,
|
| 574 |
ccid_desc->arrayOfSupportedDataRates))
|
| 575 |
{
|
| 576 |
pps[1] |= 0x10; /* PTS1 presence */
|
| 577 |
pps[2] = atr.ib[0][ATR_INTERFACE_BYTE_TA].value;
|
| 578 |
|
| 579 |
DEBUG_COMM2("Set adapted speed to %d bauds",
|
| 580 |
card_baudrate);
|
| 581 |
|
| 582 |
break;
|
| 583 |
}
|
| 584 |
}
|
| 585 |
|
| 586 |
/* restore original TA1 value */
|
| 587 |
atr.ib[0][ATR_INTERFACE_BYTE_TA].value = old_TA1;
|
| 588 |
}
|
| 589 |
}
|
| 590 |
}
|
| 591 |
}
|
| 592 |
|
| 593 |
/* PTS2? */
|
| 594 |
if (Flags & IFD_NEGOTIATE_PTS2)
|
| 595 |
{
|
| 596 |
pps[1] |= 0x20; /* PTS2 presence */
|
| 597 |
pps[3] = PTS2;
|
| 598 |
}
|
| 599 |
|
| 600 |
/* PTS3? */
|
| 601 |
if (Flags & IFD_NEGOTIATE_PTS3)
|
| 602 |
{
|
| 603 |
pps[1] |= 0x40; /* PTS3 presence */
|
| 604 |
pps[4] = PTS3;
|
| 605 |
}
|
| 606 |
|
| 607 |
/* Generate PPS */
|
| 608 |
pps[0] = 0xFF;
|
| 609 |
|
| 610 |
/* Automatic PPS made by the ICC? */
|
| 611 |
if ((! (ccid_desc->dwFeatures & CCID_CLASS_AUTO_PPS_CUR))
|
| 612 |
/* TA2 absent: negociable mode */
|
| 613 |
&& (! atr.ib[1][ATR_INTERFACE_BYTE_TA].present))
|
| 614 |
{
|
| 615 |
int default_protocol;
|
| 616 |
|
| 617 |
if (ATR_MALFORMED == ATR_GetDefaultProtocol(&atr, &default_protocol))
|
| 618 |
return IFD_PROTOCOL_NOT_SUPPORTED;
|
| 619 |
|
| 620 |
/* if the requested protocol is not the default one
|
| 621 |
* or a TA1/PPS1 is present */
|
| 622 |
if (((pps[1] & 0x0F) != default_protocol) || (PPS_HAS_PPS1(pps)))
|
| 623 |
if (PPS_Exchange(reader_index, pps, &len, &pps[2]) != PPS_OK)
|
| 624 |
{
|
| 625 |
DEBUG_INFO("PPS_Exchange Failed");
|
| 626 |
|
| 627 |
return IFD_ERROR_PTS_FAILURE;
|
| 628 |
}
|
| 629 |
}
|
| 630 |
|
| 631 |
/* Now we must set the reader parameters */
|
| 632 |
ATR_GetConvention(&atr, &convention);
|
| 633 |
|
| 634 |
/* specific mode and implicit parameters? (b5 of TA2) */
|
| 635 |
if (atr.ib[1][ATR_INTERFACE_BYTE_TA].present
|
| 636 |
&& (atr.ib[1][ATR_INTERFACE_BYTE_TA].value & 0x10))
|
| 637 |
return IFD_COMMUNICATION_ERROR;
|
| 638 |
|
| 639 |
/* T=1 */
|
| 640 |
if (SCARD_PROTOCOL_T1 == Protocol)
|
| 641 |
{
|
| 642 |
BYTE param[] = {
|
| 643 |
0x11, /* Fi/Di */
|
| 644 |
0x10, /* TCCKS */
|
| 645 |
0x00, /* GuardTime */
|
| 646 |
0x4D, /* BWI/CWI */
|
| 647 |
0x00, /* ClockStop */
|
| 648 |
0x20, /* IFSC */
|
| 649 |
0x00 /* NADValue */
|
| 650 |
};
|
| 651 |
int i;
|
| 652 |
t1_state_t *t1 = &(ccid_slot -> t1);
|
| 653 |
RESPONSECODE ret;
|
| 654 |
double f, d;
|
| 655 |
|
| 656 |
/* TA1 is not default */
|
| 657 |
if (PPS_HAS_PPS1(pps))
|
| 658 |
param[0] = pps[2];
|
| 659 |
|
| 660 |
/* CRC checksum? */
|
| 661 |
if (2 == t1->rc_bytes)
|
| 662 |
param[1] |= 0x01;
|
| 663 |
|
| 664 |
/* the CCID should ignore this bit */
|
| 665 |
if (ATR_CONVENTION_INVERSE == convention)
|
| 666 |
param[1] |= 0x02;
|
| 667 |
|
| 668 |
/* get TC1 Extra guard time */
|
| 669 |
if (atr.ib[0][ATR_INTERFACE_BYTE_TC].present)
|
| 670 |
param[2] = atr.ib[0][ATR_INTERFACE_BYTE_TC].value;
|
| 671 |
|
| 672 |
/* TBi (i>2) present? BWI/CWI */
|
| 673 |
for (i=2; i<ATR_MAX_PROTOCOLS; i++)
|
| 674 |
if (atr.ib[i][ATR_INTERFACE_BYTE_TB].present)
|
| 675 |
{
|
| 676 |
DEBUG_COMM3("BWI/CWI (TB%d) present: 0x%02X", i+1,
|
| 677 |
atr.ib[i][ATR_INTERFACE_BYTE_TB].value);
|
| 678 |
param[3] = atr.ib[i][ATR_INTERFACE_BYTE_TB].value;
|
| 679 |
|
| 680 |
/* only the first TBi (i>2) must be used */
|
| 681 |
break;
|
| 682 |
}
|
| 683 |
|
| 684 |
/* compute communication timeout */
|
| 685 |
ATR_GetParameter(&atr, ATR_PARAMETER_F, &f);
|
| 686 |
ATR_GetParameter(&atr, ATR_PARAMETER_D, &d);
|
| 687 |
ccid_desc->readTimeout = T1_card_timeout(f, d, param[2],
|
| 688 |
(param[3] & 0xF0) >> 4 /* BWI */, param[3] & 0x0F /* CWI */,
|
| 689 |
ccid_desc->dwDefaultClock);
|
| 690 |
|
| 691 |
DEBUG_COMM2("Timeout: %d seconds", ccid_desc->readTimeout);
|
| 692 |
|
| 693 |
ret = SetParameters(reader_index, 1, sizeof(param), param);
|
| 694 |
if (IFD_SUCCESS != ret)
|
| 695 |
return ret;
|
| 696 |
}
|
| 697 |
else
|
| 698 |
/* T=0 */
|
| 699 |
{
|
| 700 |
BYTE param[] = {
|
| 701 |
0x11, /* Fi/Di */
|
| 702 |
0x00, /* TCCKS */
|
| 703 |
0x00, /* GuardTime */
|
| 704 |
0x0A, /* WaitingInteger */
|
| 705 |
0x00 /* ClockStop */
|
| 706 |
};
|
| 707 |
RESPONSECODE ret;
|
| 708 |
double f, d;
|
| 709 |
|
| 710 |
/* TA1 is not default */
|
| 711 |
if (PPS_HAS_PPS1(pps))
|
| 712 |
param[0] = pps[2];
|
| 713 |
|
| 714 |
if (ATR_CONVENTION_INVERSE == convention)
|
| 715 |
param[1] |= 0x02;
|
| 716 |
|
| 717 |
/* get TC1 Extra guard time */
|
| 718 |
if (atr.ib[0][ATR_INTERFACE_BYTE_TC].present)
|
| 719 |
param[2] = atr.ib[0][ATR_INTERFACE_BYTE_TC].value;
|
| 720 |
|
| 721 |
/* TC2 WWT */
|
| 722 |
if (atr.ib[1][ATR_INTERFACE_BYTE_TC].present)
|
| 723 |
param[3] = atr.ib[1][ATR_INTERFACE_BYTE_TC].value;
|
| 724 |
|
| 725 |
/* compute communication timeout */
|
| 726 |
ATR_GetParameter(&atr, ATR_PARAMETER_F, &f);
|
| 727 |
ATR_GetParameter(&atr, ATR_PARAMETER_D, &d);
|
| 728 |
|
| 729 |
ccid_desc->readTimeout = T0_card_timeout(f, d, param[2] /* TC1 */,
|
| 730 |
param[3] /* TC2 */, ccid_desc->dwDefaultClock);
|
| 731 |
|
| 732 |
DEBUG_COMM2("Communication timeout: %d seconds",
|
| 733 |
ccid_desc->readTimeout);
|
| 734 |
|
| 735 |
ret = SetParameters(reader_index, 0, sizeof(param), param);
|
| 736 |
if (IFD_SUCCESS != ret)
|
| 737 |
return ret;
|
| 738 |
}
|
| 739 |
|
| 740 |
/* set IFSC & IFSD in T=1 */
|
| 741 |
if (SCARD_PROTOCOL_T1 == Protocol)
|
| 742 |
{
|
| 743 |
t1_state_t *t1 = &(ccid_slot -> t1);
|
| 744 |
int i;
|
| 745 |
|
| 746 |
/* TAi (i>2) present? */
|
| 747 |
for (i=2; i<ATR_MAX_PROTOCOLS; i++)
|
| 748 |
if (atr.ib[i][ATR_INTERFACE_BYTE_TA].present)
|
| 749 |
{
|
| 750 |
DEBUG_COMM3("IFSC (TA%d) present: %d", i+1,
|
| 751 |
atr.ib[i][ATR_INTERFACE_BYTE_TA].value);
|
| 752 |
t1_set_param(t1, IFD_PROTOCOL_T1_IFSC,
|
| 753 |
atr.ib[i][ATR_INTERFACE_BYTE_TA].value);
|
| 754 |
|
| 755 |
/* only the first TAi (i>2) must be used */
|
| 756 |
break;
|
| 757 |
}
|
| 758 |
|
| 759 |
/* IFSD not negociated by the reader? */
|
| 760 |
if (! (ccid_desc->dwFeatures & CCID_CLASS_AUTO_IFSD))
|
| 761 |
{
|
| 762 |
DEBUG_COMM2("Negociate IFSD at %d", ccid_desc -> dwMaxIFSD);
|
| 763 |
if (t1_negociate_ifsd(t1, 0, ccid_desc -> dwMaxIFSD) < 0)
|
| 764 |
return IFD_COMMUNICATION_ERROR;
|
| 765 |
}
|
| 766 |
t1_set_param(t1, IFD_PROTOCOL_T1_IFSD, ccid_desc -> dwMaxIFSD);
|
| 767 |
|
| 768 |
DEBUG_COMM3("T=1: IFSC=%d, IFSD=%d", t1->ifsc, t1->ifsd);
|
| 769 |
}
|
| 770 |
|
| 771 |
/* store used protocol for use by the secure commands (verify/change PIN) */
|
| 772 |
ccid_desc->cardProtocol = Protocol;
|
| 773 |
|
| 774 |
return IFD_SUCCESS;
|
| 775 |
} /* IFDHSetProtocolParameters */
|
| 776 |
|
| 777 |
|
| 778 |
EXTERNAL RESPONSECODE IFDHPowerICC(DWORD Lun, DWORD Action,
|
| 779 |
PUCHAR Atr, PDWORD AtrLength)
|
| 780 |
{
|
| 781 |
/*
|
| 782 |
* This function controls the power and reset signals of the smartcard
|
| 783 |
* reader at the particular reader/slot specified by Lun.
|
| 784 |
*
|
| 785 |
* Action - Action to be taken on the card.
|
| 786 |
*
|
| 787 |
* IFD_POWER_UP - Power and reset the card if not done so (store the
|
| 788 |
* ATR and return it and it's length).
|
| 789 |
*
|
| 790 |
* IFD_POWER_DOWN - Power down the card if not done already
|
| 791 |
* (Atr/AtrLength should be zero'd)
|
| 792 |
*
|
| 793 |
* IFD_RESET - Perform a quick reset on the card. If the card is not
|
| 794 |
* powered power up the card. (Store and return the Atr/Length)
|
| 795 |
*
|
| 796 |
* Atr - Answer to Reset of the card. The driver is responsible for
|
| 797 |
* caching this value in case IFDHGetCapabilities is called requesting
|
| 798 |
* the ATR and it's length. This should not exceed MAX_ATR_SIZE.
|
| 799 |
*
|
| 800 |
* AtrLength - Length of the Atr. This should not exceed
|
| 801 |
* MAX_ATR_SIZE.
|
| 802 |
*
|
| 803 |
* Notes:
|
| 804 |
*
|
| 805 |
* Memory cards without an ATR should return IFD_SUCCESS on reset but
|
| 806 |
* the Atr should be zero'd and the length should be zero
|
| 807 |
*
|
| 808 |
* Reset errors should return zero for the AtrLength and return
|
| 809 |
* IFD_ERROR_POWER_ACTION.
|
| 810 |
*
|
| 811 |
* returns:
|
| 812 |
*
|
| 813 |
* IFD_SUCCESS IFD_ERROR_POWER_ACTION IFD_COMMUNICATION_ERROR
|
| 814 |
* IFD_NOT_SUPPORTED
|
| 815 |
*/
|
| 816 |
|
| 817 |
unsigned int nlength;
|
| 818 |
RESPONSECODE return_value = IFD_SUCCESS;
|
| 819 |
unsigned char pcbuffer[RESP_BUF_SIZE];
|
| 820 |
int reader_index;
|
| 821 |
char *actions[] = { "PowerUp", "PowerDown", "Reset" };
|
| 822 |
|
| 823 |
DEBUG_INFO3("lun: %X, action: %s", Lun, actions[Action-IFD_POWER_UP]);
|
| 824 |
|
| 825 |
/* By default, assume it won't work :) */
|
| 826 |
*AtrLength = 0;
|
| 827 |
|
| 828 |
if (-1 == (reader_index = LunToReaderIndex(Lun)))
|
| 829 |
return IFD_COMMUNICATION_ERROR;
|
| 830 |
|
| 831 |
switch (Action)
|
| 832 |
{
|
| 833 |
case IFD_POWER_DOWN:
|
| 834 |
/* Clear ATR buffer */
|
| 835 |
CcidSlots[reader_index].nATRLength = 0;
|
| 836 |
*CcidSlots[reader_index].pcATRBuffer = '\0';
|
| 837 |
|
| 838 |
/* Memorise the request */
|
| 839 |
CcidSlots[reader_index].bPowerFlags |= MASK_POWERFLAGS_PDWN;
|
| 840 |
|
| 841 |
/* send the command */
|
| 842 |
if (IFD_SUCCESS != CmdPowerOff(reader_index))
|
| 843 |
{
|
| 844 |
DEBUG_CRITICAL("PowerDown failed");
|
| 845 |
return_value = IFD_ERROR_POWER_ACTION;
|
| 846 |
goto end;
|
| 847 |
}
|
| 848 |
|
| 849 |
/* clear T=1 context */
|
| 850 |
t1_release(&(get_ccid_slot(reader_index) -> t1));
|
| 851 |
break;
|
| 852 |
|
| 853 |
case IFD_POWER_UP:
|
| 854 |
case IFD_RESET:
|
| 855 |
nlength = sizeof(pcbuffer);
|
| 856 |
if (CmdPowerOn(reader_index, &nlength, pcbuffer, PowerOnVoltage)
|
| 857 |
!= IFD_SUCCESS)
|
| 858 |
{
|
| 859 |
DEBUG_CRITICAL("PowerUp failed");
|
| 860 |
return_value = IFD_ERROR_POWER_ACTION;
|
| 861 |
goto end;
|
| 862 |
}
|
| 863 |
|
| 864 |
/* Power up successful, set state variable to memorise it */
|
| 865 |
CcidSlots[reader_index].bPowerFlags |= MASK_POWERFLAGS_PUP;
|
| 866 |
CcidSlots[reader_index].bPowerFlags &= ~MASK_POWERFLAGS_PDWN;
|
| 867 |
|
| 868 |
/* Reset is returned, even if TCK is wrong */
|
| 869 |
CcidSlots[reader_index].nATRLength = *AtrLength =
|
| 870 |
(nlength < MAX_ATR_SIZE) ? nlength : MAX_ATR_SIZE;
|
| 871 |
memcpy(Atr, pcbuffer, *AtrLength);
|
| 872 |
memcpy(CcidSlots[reader_index].pcATRBuffer, pcbuffer, *AtrLength);
|
| 873 |
|
| 874 |
/* initialise T=1 context */
|
| 875 |
t1_init(&(get_ccid_slot(reader_index) -> t1), reader_index);
|
| 876 |
break;
|
| 877 |
|
| 878 |
default:
|
| 879 |
DEBUG_CRITICAL("Action not supported");
|
| 880 |
return_value = IFD_NOT_SUPPORTED;
|
| 881 |
}
|
| 882 |
end:
|
| 883 |
|
| 884 |
return return_value;
|
| 885 |
} /* IFDHPowerICC */
|
| 886 |
|
| 887 |
|
| 888 |
EXTERNAL RESPONSECODE IFDHTransmitToICC(DWORD Lun, SCARD_IO_HEADER SendPci,
|
| 889 |
PUCHAR TxBuffer, DWORD TxLength,
|
| 890 |
PUCHAR RxBuffer, PDWORD RxLength, /*@unused@*/ PSCARD_IO_HEADER RecvPci)
|
| 891 |
{
|
| 892 |
/*
|
| 893 |
* This function performs an APDU exchange with the card/slot
|
| 894 |
* specified by Lun. The driver is responsible for performing any
|
| 895 |
* protocol specific exchanges such as T=0/1 ... differences. Calling
|
| 896 |
* this function will abstract all protocol differences.
|
| 897 |
*
|
| 898 |
* SendPci Protocol - 0, 1, .... 14 Length - Not used.
|
| 899 |
*
|
| 900 |
* TxBuffer - Transmit APDU example (0x00 0xA4 0x00 0x00 0x02 0x3F
|
| 901 |
* 0x00) TxLength - Length of this buffer. RxBuffer - Receive APDU
|
| 902 |
* example (0x61 0x14) RxLength - Length of the received APDU. This
|
| 903 |
* function will be passed the size of the buffer of RxBuffer and this
|
| 904 |
* function is responsible for setting this to the length of the
|
| 905 |
* received APDU. This should be ZERO on all errors. The resource
|
| 906 |
* manager will take responsibility of zeroing out any temporary APDU
|
| 907 |
* buffers for security reasons.
|
| 908 |
*
|
| 909 |
* RecvPci Protocol - 0, 1, .... 14 Length - Not used.
|
| 910 |
*
|
| 911 |
* Notes: The driver is responsible for knowing what type of card it
|
| 912 |
* has. If the current slot/card contains a memory card then this
|
| 913 |
* command should ignore the Protocol and use the MCT style commands
|
| 914 |
* for support for these style cards and transmit them appropriately.
|
| 915 |
* If your reader does not support memory cards or you don't want to
|
| 916 |
* then ignore this.
|
| 917 |
*
|
| 918 |
* RxLength should be set to zero on error.
|
| 919 |
*
|
| 920 |
* returns:
|
| 921 |
*
|
| 922 |
* IFD_SUCCESS IFD_COMMUNICATION_ERROR IFD_RESPONSE_TIMEOUT
|
| 923 |
* IFD_ICC_NOT_PRESENT IFD_PROTOCOL_NOT_SUPPORTED
|
| 924 |
*/
|
| 925 |
|
| 926 |
RESPONSECODE return_value;
|
| 927 |
unsigned int rx_length;
|
| 928 |
int reader_index;
|
| 929 |
|
| 930 |
DEBUG_INFO2("lun: %X", Lun);
|
| 931 |
|
| 932 |
if (-1 == (reader_index = LunToReaderIndex(Lun)))
|
| 933 |
return IFD_COMMUNICATION_ERROR;
|
| 934 |
|
| 935 |
rx_length = *RxLength;
|
| 936 |
return_value = CmdXfrBlock(reader_index, TxLength, TxBuffer, &rx_length,
|
| 937 |
RxBuffer, SendPci.Protocol);
|
| 938 |
*RxLength = rx_length;
|
| 939 |
|
| 940 |
return return_value;
|
| 941 |
} /* IFDHTransmitToICC */
|
| 942 |
|
| 943 |
|
| 944 |
EXTERNAL RESPONSECODE IFDHControl(DWORD Lun, DWORD dwControlCode,
|
| 945 |
PUCHAR TxBuffer, DWORD TxLength, PUCHAR RxBuffer, DWORD RxLength,
|
| 946 |
PDWORD pdwBytesReturned)
|
| 947 |
{
|
| 948 |
/*
|
| 949 |
* This function performs a data exchange with the reader (not the
|
| 950 |
* card) specified by Lun. Here XXXX will only be used. It is
|
| 951 |
* responsible for abstracting functionality such as PIN pads,
|
| 952 |
* biometrics, LCD panels, etc. You should follow the MCT, CTBCS
|
| 953 |
* specifications for a list of accepted commands to implement.
|
| 954 |
*
|
| 955 |
* TxBuffer - Transmit data TxLength - Length of this buffer. RxBuffer
|
| 956 |
* - Receive data RxLength - Length of the received data. This
|
| 957 |
* function will be passed the length of the buffer RxBuffer and it
|
| 958 |
* must set this to the length of the received data.
|
| 959 |
*
|
| 960 |
* Notes: RxLength should be zero on error.
|
| 961 |
*/
|
| 962 |
RESPONSECODE return_value = IFD_COMMUNICATION_ERROR;
|
| 963 |
int reader_index;
|
| 964 |
|
| 965 |
DEBUG_INFO3("lun: %X, ControlCode: 0x%X", Lun, dwControlCode);
|
| 966 |
|
| 967 |
reader_index = LunToReaderIndex(Lun);
|
| 968 |
if ((-1 == reader_index) || (NULL == pdwBytesReturned))
|
| 969 |
return return_value;
|
| 970 |
|
| 971 |
/* Set the return length to 0 to avoid problems */
|
| 972 |
*pdwBytesReturned = 0;
|
| 973 |
|
| 974 |
if (IOCTL_SMARTCARD_VENDOR_IFD_EXCHANGE == dwControlCode)
|
| 975 |
{
|
| 976 |
if (FALSE == (DriverOptions & DRIVER_OPTION_CCID_EXCHANGE_AUTHORIZED))
|
| 977 |
{
|
| 978 |
DEBUG_INFO("ifd exchange (Escape command) not allowed");
|
| 979 |
return_value = IFD_COMMUNICATION_ERROR;
|
| 980 |
}
|
| 981 |
else
|
| 982 |
{
|
| 983 |
unsigned int iBytesReturned;
|
| 984 |
|
| 985 |
iBytesReturned = RxLength;
|
| 986 |
return_value = CmdEscape(reader_index, TxBuffer, TxLength, RxBuffer,
|
| 987 |
&iBytesReturned);
|
| 988 |
*pdwBytesReturned = iBytesReturned;
|
| 989 |
}
|
| 990 |
}
|
| 991 |
|
| 992 |
/* Implement the PC/SC v2.1.2 Part 10 IOCTL mechanism */
|
| 993 |
|
| 994 |
/* Query for features */
|
| 995 |
if (CM_IOCTL_GET_FEATURE_REQUEST == dwControlCode)
|
| 996 |
{
|
| 997 |
unsigned int iBytesReturned = 0;
|
| 998 |
PCSC_TLV_STRUCTURE *pcsc_tlv = (PCSC_TLV_STRUCTURE *)RxBuffer;
|
| 999 |
|
| 1000 |
/* we need room for two records */
|
| 1001 |
if (RxLength < 2 * sizeof(PCSC_TLV_STRUCTURE))
|
| 1002 |
return IFD_COMMUNICATION_ERROR;
|
| 1003 |
|
| 1004 |
/* We can only support direct verify and/or modify currently */
|
| 1005 |
if (get_ccid_descriptor(reader_index) -> bPINSupport
|
| 1006 |
& CCID_CLASS_PIN_VERIFY)
|
| 1007 |
{
|
| 1008 |
pcsc_tlv -> tag = FEATURE_VERIFY_PIN_DIRECT;
|
| 1009 |
pcsc_tlv -> length = 0x04; /* always 0x04 */
|
| 1010 |
pcsc_tlv -> value = htonl(IOCTL_FEATURE_VERIFY_PIN_DIRECT);
|
| 1011 |
|
| 1012 |
pcsc_tlv++;
|
| 1013 |
iBytesReturned += sizeof(PCSC_TLV_STRUCTURE);
|
| 1014 |
}
|
| 1015 |
|
| 1016 |
if (get_ccid_descriptor(reader_index) -> bPINSupport
|
| 1017 |
& CCID_CLASS_PIN_MODIFY)
|
| 1018 |
{
|
| 1019 |
pcsc_tlv -> tag = FEATURE_MODIFY_PIN_DIRECT;
|
| 1020 |
pcsc_tlv -> length = 0x04; /* always 0x04 */
|
| 1021 |
pcsc_tlv -> value = htonl(IOCTL_FEATURE_MODIFY_PIN_DIRECT);
|
| 1022 |
|
| 1023 |
pcsc_tlv++;
|
| 1024 |
iBytesReturned += sizeof(PCSC_TLV_STRUCTURE);
|
| 1025 |
}
|
| 1026 |
*pdwBytesReturned = iBytesReturned;
|
| 1027 |
return_value = IFD_SUCCESS;
|
| 1028 |
}
|
| 1029 |
|
| 1030 |
/* Verify a PIN, plain CCID */
|
| 1031 |
if (IOCTL_FEATURE_VERIFY_PIN_DIRECT == dwControlCode)
|
| 1032 |
{
|
| 1033 |
unsigned int iBytesReturned;
|
| 1034 |
|
| 1035 |
iBytesReturned = RxLength;
|
| 1036 |
return_value = SecurePINVerify(reader_index, TxBuffer, TxLength,
|
| 1037 |
RxBuffer, &iBytesReturned);
|
| 1038 |
*pdwBytesReturned = iBytesReturned;
|
| 1039 |
}
|
| 1040 |
|
| 1041 |
/* Modify a PIN, plain CCID */
|
| 1042 |
if (IOCTL_FEATURE_MODIFY_PIN_DIRECT == dwControlCode)
|
| 1043 |
{
|
| 1044 |
unsigned int iBytesReturned;
|
| 1045 |
|
| 1046 |
iBytesReturned = RxLength;
|
| 1047 |
return_value = SecurePINModify(reader_index, TxBuffer, TxLength,
|
| 1048 |
RxBuffer, &iBytesReturned);
|
| 1049 |
*pdwBytesReturned = iBytesReturned;
|
| 1050 |
}
|
| 1051 |
|
| 1052 |
return return_value;
|
| 1053 |
} /* IFDHControl */
|
| 1054 |
|
| 1055 |
|
| 1056 |
EXTERNAL RESPONSECODE IFDHICCPresence(DWORD Lun)
|
| 1057 |
{
|
| 1058 |
/*
|
| 1059 |
* This function returns the status of the card inserted in the
|
| 1060 |
* reader/slot specified by Lun. It will return either:
|
| 1061 |
*
|
| 1062 |
* returns: IFD_ICC_PRESENT IFD_ICC_NOT_PRESENT
|
| 1063 |
* IFD_COMMUNICATION_ERROR
|
| 1064 |
*/
|
| 1065 |
|
| 1066 |
unsigned char pcbuffer[SIZE_GET_SLOT_STATUS];
|
| 1067 |
RESPONSECODE return_value = IFD_COMMUNICATION_ERROR;
|
| 1068 |
int oldLogLevel;
|
| 1069 |
int reader_index;
|
| 1070 |
_ccid_descriptor *ccid_descriptor;
|
| 1071 |
unsigned int oldReadTimeout;
|
| 1072 |
|
| 1073 |
DEBUG_PERIODIC2("lun: %X", Lun);
|
| 1074 |
|
| 1075 |
if (-1 == (reader_index = LunToReaderIndex(Lun)))
|
| 1076 |
return IFD_COMMUNICATION_ERROR;
|
| 1077 |
|
| 1078 |
ccid_descriptor = get_ccid_descriptor(reader_index);
|
| 1079 |
|
| 1080 |
/* save the current read timeout computed from card capabilities */
|
| 1081 |
oldReadTimeout = ccid_descriptor->readTimeout;
|
| 1082 |
|
| 1083 |
/* use default timeout since the reader may not be present anymore */
|
| 1084 |
ccid_descriptor->readTimeout = DEFAULT_COM_READ_TIMEOUT;
|
| 1085 |
|
| 1086 |
/* if DEBUG_LEVEL_PERIODIC is not set we remove DEBUG_LEVEL_COMM */
|
| 1087 |
oldLogLevel = LogLevel;
|
| 1088 |
if (! (LogLevel & DEBUG_LEVEL_PERIODIC))
|
| 1089 |
LogLevel &= ~DEBUG_LEVEL_COMM;
|
| 1090 |
|
| 1091 |
return_value = CmdGetSlotStatus(reader_index, pcbuffer);
|
| 1092 |
|
| 1093 |
/* set back the old timeout */
|
| 1094 |
ccid_descriptor->readTimeout = oldReadTimeout;
|
| 1095 |
|
| 1096 |
/* set back the old LogLevel */
|
| 1097 |
LogLevel = oldLogLevel;
|
| 1098 |
|
| 1099 |
if (return_value != IFD_SUCCESS)
|
| 1100 |
return IFD_COMMUNICATION_ERROR;
|
| 1101 |
|
| 1102 |
return_value = IFD_COMMUNICATION_ERROR;
|
| 1103 |
switch (pcbuffer[7] & CCID_ICC_STATUS_MASK) /* bStatus */
|
| 1104 |
{
|
| 1105 |
case CCID_ICC_PRESENT_ACTIVE:
|
| 1106 |
return_value = IFD_ICC_PRESENT;
|
| 1107 |
/* use default slot */
|
| 1108 |
break;
|
| 1109 |
|
| 1110 |
case CCID_ICC_PRESENT_INACTIVE:
|
| 1111 |
if ((CcidSlots[reader_index].bPowerFlags == POWERFLAGS_RAZ)
|
| 1112 |
|| (CcidSlots[reader_index].bPowerFlags & MASK_POWERFLAGS_PDWN))
|
| 1113 |
/* the card was previously absent */
|
| 1114 |
return_value = IFD_ICC_PRESENT;
|
| 1115 |
else
|
| 1116 |
{
|
| 1117 |
/* the card was previously present but has been
|
| 1118 |
* removed and inserted between two consecutive
|
| 1119 |
* IFDHICCPresence() calls */
|
| 1120 |
CcidSlots[reader_index].bPowerFlags = POWERFLAGS_RAZ;
|
| 1121 |
return_value = IFD_ICC_NOT_PRESENT;
|
| 1122 |
}
|
| 1123 |
break;
|
| 1124 |
|
| 1125 |
case CCID_ICC_ABSENT:
|
| 1126 |
/* Reset ATR buffer */
|
| 1127 |
CcidSlots[reader_index].nATRLength = 0;
|
| 1128 |
*CcidSlots[reader_index].pcATRBuffer = '\0';
|
| 1129 |
|
| 1130 |
/* Reset PowerFlags */
|
| 1131 |
CcidSlots[reader_index].bPowerFlags = POWERFLAGS_RAZ;
|
| 1132 |
|
| 1133 |
return_value = IFD_ICC_NOT_PRESENT;
|
| 1134 |
break;
|
| 1135 |
}
|
| 1136 |
|
| 1137 |
/* SCR331-DI contactless reader */
|
| 1138 |
if (((SCR331DI == ccid_descriptor->readerID)
|
| 1139 |
|| (SDI010 == ccid_descriptor->readerID)
|
| 1140 |
|| (SCR331DINTTCOM == ccid_descriptor->readerID))
|
| 1141 |
&& (ccid_descriptor->bCurrentSlotIndex > 0))
|
| 1142 |
{
|
| 1143 |
unsigned char cmd[] = { 0x11 };
|
| 1144 |
/* command: 11 ??
|
| 1145 |
* response: 00 11 01 ?? no card
|
| 1146 |
* 01 04 00 ?? card present */
|
| 1147 |
|
| 1148 |
unsigned char res[10];
|
| 1149 |
unsigned int length_res = sizeof(res);
|
| 1150 |
RESPONSECODE ret;
|
| 1151 |
|
| 1152 |
/* if DEBUG_LEVEL_PERIODIC is not set we remove DEBUG_LEVEL_COMM */
|
| 1153 |
oldLogLevel = LogLevel;
|
| 1154 |
if (! (LogLevel & DEBUG_LEVEL_PERIODIC))
|
| 1155 |
LogLevel &= ~DEBUG_LEVEL_COMM;
|
| 1156 |
|
| 1157 |
ret = CmdEscape(reader_index, cmd, sizeof(cmd), res, &length_res);
|
| 1158 |
|
| 1159 |
/* set back the old LogLevel */
|
| 1160 |
LogLevel = oldLogLevel;
|
| 1161 |
|
| 1162 |
if (ret != IFD_SUCCESS)
|
| 1163 |
{
|
| 1164 |
DEBUG_INFO("CmdEscape failed");
|
| 1165 |
/* simulate a card absent */
|
| 1166 |
res[0] = 0;
|
| 1167 |
}
|
| 1168 |
|
| 1169 |
if (0x01 == res[0])
|
| 1170 |
return_value = IFD_ICC_PRESENT;
|
| 1171 |
else
|
| 1172 |
{
|
| 1173 |
/* Reset ATR buffer */
|
| 1174 |
CcidSlots[reader_index].nATRLength = 0;
|
| 1175 |
*CcidSlots[reader_index].pcATRBuffer = '\0';
|
| 1176 |
|
| 1177 |
/* Reset PowerFlags */
|
| 1178 |
CcidSlots[reader_index].bPowerFlags = POWERFLAGS_RAZ;
|
| 1179 |
|
| 1180 |
return_value = IFD_ICC_NOT_PRESENT;
|
| 1181 |
}
|
| 1182 |
}
|
| 1183 |
|
| 1184 |
DEBUG_PERIODIC2("Card %s",
|
| 1185 |
IFD_ICC_PRESENT == return_value ? "present" : "absent");
|
| 1186 |
|
| 1187 |
return return_value;
|
| 1188 |
} /* IFDHICCPresence */
|
| 1189 |
|
| 1190 |
|
| 1191 |
CcidDesc *get_ccid_slot(unsigned int reader_index)
|
| 1192 |
{
|
| 1193 |
return &CcidSlots[reader_index];
|
| 1194 |
} /* get_ccid_slot */
|
| 1195 |
|
| 1196 |
|
| 1197 |
void init_driver(void)
|
| 1198 |
{
|
| 1199 |
char keyValue[TOKEN_MAX_VALUE_SIZE];
|
| 1200 |
char infofile[FILENAME_MAX];
|
| 1201 |
|
| 1202 |
/* Info.plist full patch filename */
|
| 1203 |
snprintf(infofile, sizeof(infofile), "%s/%s/Contents/Info.plist",
|
| 1204 |
PCSCLITE_HP_DROPDIR, BUNDLE);
|
| 1205 |
|
| 1206 |
/* Log level */
|
| 1207 |
if (0 == LTPBundleFindValueWithKey(infofile, "ifdLogLevel", keyValue, 0))
|
| 1208 |
{
|
| 1209 |
/* convert from hex or dec or octal */
|
| 1210 |
LogLevel = strtoul(keyValue, NULL, 0);
|
| 1211 |
|
| 1212 |
/* print the log level used */
|
| 1213 |
DEBUG_INFO2("LogLevel: 0x%.4X", LogLevel);
|
| 1214 |
}
|
| 1215 |
|
| 1216 |
/* Driver options */
|
| 1217 |
if (0 == LTPBundleFindValueWithKey(infofile, "ifdDriverOptions", keyValue, 0))
|
| 1218 |
{
|
| 1219 |
/* convert from hex or dec or octal */
|
| 1220 |
DriverOptions = strtoul(keyValue, NULL, 0);
|
| 1221 |
|
| 1222 |
/* print the log level used */
|
| 1223 |
DEBUG_INFO2("DriverOptions: 0x%.4X", DriverOptions);
|
| 1224 |
}
|
| 1225 |
|
| 1226 |
/* get the voltage parameter */
|
| 1227 |
switch ((DriverOptions >> 4) & 0x03)
|
| 1228 |
{
|
| 1229 |
case 0:
|
| 1230 |
PowerOnVoltage = VOLTAGE_5V;
|
| 1231 |
break;
|
| 1232 |
|
| 1233 |
case 1:
|
| 1234 |
PowerOnVoltage = VOLTAGE_3V;
|
| 1235 |
break;
|
| 1236 |
|
| 1237 |
case 2:
|
| 1238 |
PowerOnVoltage = VOLTAGE_1_8V;
|
| 1239 |
break;
|
| 1240 |
|
| 1241 |
case 3:
|
| 1242 |
PowerOnVoltage = VOLTAGE_AUTO;
|
| 1243 |
break;
|
| 1244 |
}
|
| 1245 |
|
| 1246 |
/* initialise the Lun to reader_index mapping */
|
| 1247 |
InitReaderIndex();
|
| 1248 |
|
| 1249 |
DebugInitialized = TRUE;
|
| 1250 |
} /* init_driver */
|
| 1251 |
|
| 1252 |
|
| 1253 |
void extra_egt(ATR_t *atr, _ccid_descriptor *ccid_desc, DWORD Protocol)
|
| 1254 |
{
|
| 1255 |
/* This function use an EGT value for cards who comply with followings
|
| 1256 |
* criterias:
|
| 1257 |
* - TA1 > 11
|
| 1258 |
* - current EGT = 0x00 or 0xFF
|
| 1259 |
* - T=0 or (T=1 and CWI >= 2)
|
| 1260 |
*
|
| 1261 |
* Without this larger EGT some non ISO 7816-3 smart cards may not
|
| 1262 |
* communicate with the reader.
|
| 1263 |
*
|
| 1264 |
* This modification is harmless, the reader will just be less restrictive
|
| 1265 |
*/
|
| 1266 |
|
| 1267 |
unsigned int card_baudrate;
|
| 1268 |
unsigned int default_baudrate;
|
| 1269 |
double f, d;
|
| 1270 |
int i;
|
| 1271 |
|
| 1272 |
/* if TA1 not present */
|
| 1273 |
if (! atr->ib[0][ATR_INTERFACE_BYTE_TA].present)
|
| 1274 |
return;
|
| 1275 |
|
| 1276 |
ATR_GetParameter(atr, ATR_PARAMETER_D, &d);
|
| 1277 |
ATR_GetParameter(atr, ATR_PARAMETER_F, &f);
|
| 1278 |
|
| 1279 |
/* may happen with non ISO cards */
|
| 1280 |
if ((0 == f) || (0 == d))
|
| 1281 |
return;
|
| 1282 |
|
| 1283 |
/* Baudrate = f x D/F */
|
| 1284 |
card_baudrate = (unsigned int) (1000 * ccid_desc->dwDefaultClock * d / f);
|
| 1285 |
|
| 1286 |
default_baudrate = (unsigned int) (1000 * ccid_desc->dwDefaultClock
|
| 1287 |
* ATR_DEFAULT_D / ATR_DEFAULT_F);
|
| 1288 |
|
| 1289 |
/* TA1 > 11? */
|
| 1290 |
if (card_baudrate <= default_baudrate)
|
| 1291 |
return;
|
| 1292 |
|
| 1293 |
/* Current EGT = 0 or FF? */
|
| 1294 |
if (atr->ib[0][ATR_INTERFACE_BYTE_TC].present &&
|
| 1295 |
((0x00 == atr->ib[0][ATR_INTERFACE_BYTE_TC].value) ||
|
| 1296 |
(0xFF == atr->ib[0][ATR_INTERFACE_BYTE_TC].value)))
|
| 1297 |
{
|
| 1298 |
if (SCARD_PROTOCOL_T0 == Protocol)
|
| 1299 |
{
|
| 1300 |
/* Init TC1 */
|
| 1301 |
atr->ib[0][ATR_INTERFACE_BYTE_TC].present = TRUE;
|
| 1302 |
atr->ib[0][ATR_INTERFACE_BYTE_TC].value = 2;
|
| 1303 |
DEBUG_INFO("Extra EGT patch applied");
|
| 1304 |
}
|
| 1305 |
|
| 1306 |
if (SCARD_PROTOCOL_T1 == Protocol)
|
| 1307 |
{
|
| 1308 |
/* TBi (i>2) present? BWI/CWI */
|
| 1309 |
for (i=2; i<ATR_MAX_PROTOCOLS; i++)
|
| 1310 |
{
|
| 1311 |
/* CWI >= 2 ? */
|
| 1312 |
if (atr->ib[i][ATR_INTERFACE_BYTE_TB].present &&
|
| 1313 |
((atr->ib[i][ATR_INTERFACE_BYTE_TB].value & 0x0F) >= 2))
|
| 1314 |
{
|
| 1315 |
/* Init TC1 */
|
| 1316 |
atr->ib[0][ATR_INTERFACE_BYTE_TC].present = TRUE;
|
| 1317 |
atr->ib[0][ATR_INTERFACE_BYTE_TC].value = 2;
|
| 1318 |
DEBUG_INFO("Extra EGT patch applied");
|
| 1319 |
|
| 1320 |
/* only the first TBi (i>2) must be used */
|
| 1321 |
break;
|
| 1322 |
}
|
| 1323 |
}
|
| 1324 |
}
|
| 1325 |
}
|
| 1326 |
} /* extra_egt */
|
| 1327 |
|
| 1328 |
|
| 1329 |
static char find_baud_rate(unsigned int baudrate, unsigned int *list)
|
| 1330 |
{
|
| 1331 |
int i;
|
| 1332 |
|
| 1333 |
DEBUG_COMM2("Card baud rate: %d", baudrate);
|
| 1334 |
|
| 1335 |
/* Does the reader support the announced smart card data speed? */
|
| 1336 |
for (i=0;; i++)
|
| 1337 |
{
|
| 1338 |
/* end of array marker */
|
| 1339 |
if (0 == list[i])
|
| 1340 |
break;
|
| 1341 |
|
| 1342 |
DEBUG_COMM2("Reader can do: %d", list[i]);
|
| 1343 |
|
| 1344 |
/* We must take into account that the card_baudrate integral value
|
| 1345 |
* is an approximative result, computed from the d/f float result.
|
| 1346 |
*/
|
| 1347 |
if ((baudrate < list[i] + 2) && (baudrate > list[i] - 2))
|
| 1348 |
return TRUE;
|
| 1349 |
}
|
| 1350 |
|
| 1351 |
return FALSE;
|
| 1352 |
} /* find_baud_rate */
|
| 1353 |
|
| 1354 |
|
| 1355 |
static unsigned int T0_card_timeout(double f, double d, int TC1, int TC2,
|
| 1356 |
int clock_frequency)
|
| 1357 |
{
|
| 1358 |
unsigned int timeout = DEFAULT_COM_READ_TIMEOUT;
|
| 1359 |
double EGT, WWT;
|
| 1360 |
unsigned int t;
|
| 1361 |
|
| 1362 |
/* Timeout applied on ISO_IN or ISO_OUT card exchange
|
| 1363 |
* we choose the maximum computed value.
|
| 1364 |
*
|
| 1365 |
* ISO_IN timeout is the sum of:
|
| 1366 |
* Terminal: Smart card:
|
| 1367 |
* 5 bytes header cmd ->
|
| 1368 |
* <- Procedure byte
|
| 1369 |
* 256 data bytes ->
|
| 1370 |
* <- SW1-SW2
|
| 1371 |
* = 261 EGT + 3 WWT + 3 WWT
|
| 1372 |
*
|
| 1373 |
* ISO_OUT Timeout is the sum of:
|
| 1374 |
* Terminal: Smart card:
|
| 1375 |
* 5 bytes header cmd ->
|
| 1376 |
* <- Procedure byte + 256 data bytes + SW1-SW2
|
| 1377 |
* = 5 EGT + 1 WWT + 259 WWT
|
| 1378 |
*/
|
| 1379 |
|
| 1380 |
/* clock_frequency is in kHz so the times are in milliseconds and not
|
| 1381 |
* in seconds */
|
| 1382 |
|
| 1383 |
/* may happen with non ISO cards */
|
| 1384 |
if ((0 == f) || (0 == d) || (0 == clock_frequency))
|
| 1385 |
return 60; /* 60 seconds */
|
| 1386 |
|
| 1387 |
/* EGT */
|
| 1388 |
/* see ch. 6.5.3 Extra Guard Time, page 12 of ISO 7816-3 */
|
| 1389 |
EGT = 12 * f / d / clock_frequency + (f / d) * TC1 / clock_frequency;
|
| 1390 |
|
| 1391 |
/* card WWT */
|
| 1392 |
/* see ch. 8.2 Character level, page 15 of ISO 7816-3 */
|
| 1393 |
WWT = 960 * TC2 * f / clock_frequency;
|
| 1394 |
|
| 1395 |
/* ISO in */
|
| 1396 |
t = 261 * EGT + (3 + 3) * WWT;
|
| 1397 |
/* Convert from milliseonds to seconds rouned to the upper value
|
| 1398 |
* use +1 instead of ceil() to round up to the nearest interger
|
| 1399 |
* so we can avoid a dependency on the math library */
|
| 1400 |
t = t/1000 +1;
|
| 1401 |
if (timeout < t)
|
| 1402 |
timeout = t;
|
| 1403 |
|
| 1404 |
/* ISO out */
|
| 1405 |
t = 5 * EGT + (1 + 259) * WWT;
|
| 1406 |
t = t/1000 +1;
|
| 1407 |
if (timeout < t)
|
| 1408 |
timeout = t;
|
| 1409 |
|
| 1410 |
return timeout;
|
| 1411 |
} /* T0_card_timeout */
|
| 1412 |
|
| 1413 |
|
| 1414 |
static unsigned int T1_card_timeout(double f, double d, int TC1,
|
| 1415 |
int BWI, int CWI, int clock_frequency)
|
| 1416 |
{
|
| 1417 |
double EGT, BWT, CWT, etu;
|
| 1418 |
unsigned int timeout;
|
| 1419 |
|
| 1420 |
/* Timeout applied on ISO in + ISO out card exchange
|
| 1421 |
*
|
| 1422 |
* Timeout is the sum of:
|
| 1423 |
* - ISO in delay between leading edge of the first character sent by the
|
| 1424 |
* interface device and the last one (NAD PCB LN APDU CKS) = 260 EGT,
|
| 1425 |
* - delay between ISO in and ISO out = BWT,
|
| 1426 |
* - ISO out delay between leading edge of the first character sent by the
|
| 1427 |
* card and the last one (NAD PCB LN DATAS CKS) = 260 CWT.
|
| 1428 |
*/
|
| 1429 |
|
| 1430 |
/* clock_frequency is in kHz so the times are in milliseconds and not
|
| 1431 |
* in seconds */
|
| 1432 |
|
| 1433 |
/* may happen with non ISO cards */
|
| 1434 |
if ((0 == f) || (0 == d) || (0 == clock_frequency))
|
| 1435 |
return 60; /* 60 seconds */
|
| 1436 |
|
| 1437 |
/* see ch. 6.5.2 Transmission factors F and D, page 12 of ISO 7816-3 */
|
| 1438 |
etu = f / d / clock_frequency;
|
| 1439 |
|
| 1440 |
/* EGT */
|
| 1441 |
/* see ch. 6.5.3 Extra Guard Time, page 12 of ISO 7816-3 */
|
| 1442 |
EGT = 12 * etu + (f / d) * TC1 / clock_frequency;
|
| 1443 |
|
| 1444 |
/* card BWT */
|
| 1445 |
/* see ch. 9.5.3.2 Block Waiting Time, page 20 of ISO 7816-3 */
|
| 1446 |
BWT = 11 * etu + (1<<BWI) * 960 * 372 / clock_frequency;
|
| 1447 |
|
| 1448 |
/* card CWT */
|
| 1449 |
/* see ch. 9.5.3.1 Caracter Waiting Time, page 20 of ISO 7816-3 */
|
| 1450 |
CWT = (11 + (1<<CWI)) * etu;
|
| 1451 |
|
| 1452 |
timeout = 260*EGT + BWT + 260*CWT;
|
| 1453 |
|
| 1454 |
/* Convert from milliseonds to seconds rounded to the upper value
|
| 1455 |
* we use +1 instead of ceil() to round up to the nearest greater interger
|
| 1456 |
* so we can avoid a dependency on the math library */
|
| 1457 |
timeout = timeout/1000 +1;
|
| 1458 |
|
| 1459 |
return timeout;
|
| 1460 |
} /* T1_card_timeout */
|
| 1461 |
|
Parent Directory
| 
Revision Log