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/*
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ifdhandler.c: IFDH API
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Copyright (C) 2003 Ludovic Rousseau
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; 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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*/
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/* $Id$ */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <PCSC/pcsclite.h>
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#include <PCSC/ifdhandler.h>
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#include "ccid.h"
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#include "defs.h"
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#include "ccid_ifdhandler.h"
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#include "config.h"
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#include "debug.h"
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#include "utils.h"
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#include "commands.h"
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#include "towitoko/atr.h"
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#include "towitoko/pps.h"
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#include "parser.h"
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#ifdef HAVE_PTHREAD
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#include <pthread.h>
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#endif
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/* Array of structures to hold the ATR and other state value of each slot */
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static CcidDesc CcidSlots[CCID_DRIVER_MAX_READERS];
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/* global mutex */
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#ifdef HAVE_PTHREAD
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static pthread_mutex_t ifdh_context_mutex = PTHREAD_MUTEX_INITIALIZER;
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#endif
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int LogLevel = DEBUG_LEVEL_CRITICAL | DEBUG_LEVEL_INFO;
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int DriverOptions = 0;
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static int DebugInitialized = FALSE;
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/* local functions */
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static void init_driver(void);
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RESPONSECODE IFDHCreateChannelByName(DWORD Lun, LPTSTR lpcDevice)
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{
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RESPONSECODE return_value = IFD_SUCCESS;
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int reader_index;
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if (! DebugInitialized)
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init_driver();
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DEBUG_INFO3("lun: %X, device: %s", Lun, lpcDevice);
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if (-1 == (reader_index = GetNewReaderIndex(Lun)))
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return IFD_COMMUNICATION_ERROR;
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/* Reset ATR buffer */
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CcidSlots[reader_index].nATRLength = 0;
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*CcidSlots[reader_index].pcATRBuffer = '\0';
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/* Reset PowerFlags */
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CcidSlots[reader_index].bPowerFlags = POWERFLAGS_RAZ;
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#ifdef HAVE_PTHREAD
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pthread_mutex_lock(&ifdh_context_mutex);
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#endif
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if (OpenPortByName(reader_index, lpcDevice) != STATUS_SUCCESS)
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{
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DEBUG_CRITICAL("failed");
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return_value = IFD_COMMUNICATION_ERROR;
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/* release the allocated reader_index */
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ReleaseReaderIndex(reader_index);
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}
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else
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/* Maybe we have a special treatment for this reader */
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ccid_open_hack(reader_index);
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#ifdef HAVE_PTHREAD
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pthread_mutex_unlock(&ifdh_context_mutex);
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#endif
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return return_value;
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} /* IFDHCreateChannelByName */
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RESPONSECODE IFDHCreateChannel(DWORD Lun, DWORD Channel)
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{
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/*
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* Lun - Logical Unit Number, use this for multiple card slots or
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* multiple readers. 0xXXXXYYYY - XXXX multiple readers, YYYY multiple
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* slots. The resource manager will set these automatically. By
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* default the resource manager loads a new instance of the driver so
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* if your reader does not have more than one smartcard slot then
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* ignore the Lun in all the functions. Future versions of PC/SC might
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* support loading multiple readers through one instance of the driver
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* in which XXXX would be important to implement if you want this.
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*/
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/*
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* Channel - Channel ID. This is denoted by the following: 0x000001 -
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* /dev/pcsc/1 0x000002 - /dev/pcsc/2 0x000003 - /dev/pcsc/3
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*
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* USB readers may choose to ignore this parameter and query the bus
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* for the particular reader.
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*/
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/*
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* This function is required to open a communications channel to the
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* port listed by Channel. For example, the first serial reader on
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* COM1 would link to /dev/pcsc/1 which would be a sym link to
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* /dev/ttyS0 on some machines This is used to help with intermachine
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* independance.
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*
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* Once the channel is opened the reader must be in a state in which
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* it is possible to query IFDHICCPresence() for card status.
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*
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* returns:
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*
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* IFD_SUCCESS IFD_COMMUNICATION_ERROR
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*/
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RESPONSECODE return_value = IFD_SUCCESS;
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int reader_index;
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if (! DebugInitialized)
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init_driver();
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DEBUG_INFO2("lun: %X", Lun);
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if (-1 == (reader_index = GetNewReaderIndex(Lun)))
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return IFD_COMMUNICATION_ERROR;
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/* Reset ATR buffer */
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CcidSlots[reader_index].nATRLength = 0;
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*CcidSlots[reader_index].pcATRBuffer = '\0';
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/* Reset PowerFlags */
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CcidSlots[reader_index].bPowerFlags = POWERFLAGS_RAZ;
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#ifdef HAVE_PTHREAD
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pthread_mutex_lock(&ifdh_context_mutex);
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#endif
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if (OpenPort(reader_index, Channel) != STATUS_SUCCESS)
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{
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DEBUG_CRITICAL("failed");
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return_value = IFD_COMMUNICATION_ERROR;
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/* release the allocated reader_index */
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ReleaseReaderIndex(reader_index);
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}
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else
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/* Maybe we have a special treatment for this reader */
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ccid_open_hack(reader_index);
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#ifdef HAVE_PTHREAD
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pthread_mutex_unlock(&ifdh_context_mutex);
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#endif
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return return_value;
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} /* IFDHCreateChannel */
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RESPONSECODE IFDHCloseChannel(DWORD Lun)
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{
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/*
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* This function should close the reader communication channel for the
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* particular reader. Prior to closing the communication channel the
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* reader should make sure the card is powered down and the terminal
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* is also powered down.
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*
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* returns:
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*
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* IFD_SUCCESS IFD_COMMUNICATION_ERROR
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*/
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int reader_index;
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DEBUG_INFO2("lun: %X", Lun);
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if (-1 == (reader_index = LunToReaderIndex(Lun)))
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return IFD_COMMUNICATION_ERROR;
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(void)CmdPowerOff(reader_index);
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/* No reader status check, if it failed, what can you do ? :) */
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#ifdef HAVE_PTHREAD
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pthread_mutex_lock(&ifdh_context_mutex);
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#endif
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(void)ClosePort(reader_index);
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ReleaseReaderIndex(reader_index);
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#ifdef HAVE_PTHREAD
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pthread_mutex_unlock(&ifdh_context_mutex);
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#endif
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return IFD_SUCCESS;
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} /* IFDHCloseChannel */
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RESPONSECODE IFDHGetCapabilities(DWORD Lun, DWORD Tag,
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PDWORD Length, PUCHAR Value)
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{
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/*
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* This function should get the slot/card capabilities for a
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* particular slot/card specified by Lun. Again, if you have only 1
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* card slot and don't mind loading a new driver for each reader then
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* ignore Lun.
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*
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* Tag - the tag for the information requested example: TAG_IFD_ATR -
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* return the Atr and it's size (required). these tags are defined in
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* ifdhandler.h
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*
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* Length - the length of the returned data Value - the value of the
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* data
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*
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* returns:
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*
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* IFD_SUCCESS IFD_ERROR_TAG
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*/
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int reader_index;
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DEBUG_INFO3("lun: %X, tag: 0x%X", Lun, Tag);
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if (-1 == (reader_index = LunToReaderIndex(Lun)))
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return IFD_COMMUNICATION_ERROR;
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switch (Tag)
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{
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case TAG_IFD_ATR:
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case SCARD_ATTR_ATR_STRING:
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/* If Length is not zero, powerICC has been performed.
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* Otherwise, return NULL pointer
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* Buffer size is stored in *Length */
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*Length = (*Length < CcidSlots[reader_index].nATRLength) ?
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*Length : CcidSlots[reader_index].nATRLength;
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if (*Length)
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memcpy(Value, CcidSlots[reader_index]
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.pcATRBuffer, *Length);
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break;
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#ifdef HAVE_PTHREAD
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case TAG_IFD_SIMULTANEOUS_ACCESS:
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if (*Length >= 1)
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{
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*Length = 1;
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*Value = CCID_DRIVER_MAX_READERS;
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}
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break;
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case TAG_IFD_THREAD_SAFE:
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if (*Length >= 1)
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{
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*Length = 1;
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*Value = 1; /* Can talk to multiple readers at the same time */
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}
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break;
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#endif
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case TAG_IFD_SLOTS_NUMBER:
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if (*Length >= 1)
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{
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*Length = 1;
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*Value = 1 + get_ccid_descriptor(reader_index) -> bMaxSlotIndex;
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DEBUG_COMM2("Reader supports %d slots", *Value);
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}
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break;
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case TAG_IFD_SLOT_THREAD_SAFE:
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if (*Length >= 1)
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{
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*Length = 1;
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*Value = 0; /* Can NOT talk to multiple slots at the same time */
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}
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break;
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case IOCTL_SMARTCARD_VENDOR_VERIFY_PIN:
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if (*Length >= 1)
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{
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*Length = 1;
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*Value = get_ccid_descriptor(reader_index) -> bPINSupport & CCID_CLASS_PIN_VERIFY;
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}
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break;
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default:
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return IFD_ERROR_TAG;
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}
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return IFD_SUCCESS;
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} /* IFDHGetCapabilities */
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RESPONSECODE IFDHSetCapabilities(DWORD Lun, DWORD Tag,
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/*@unused@*/ DWORD Length, /*@unused@*/ PUCHAR Value)
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{
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/*
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* This function should set the slot/card capabilities for a
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* particular slot/card specified by Lun. Again, if you have only 1
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* card slot and don't mind loading a new driver for each reader then
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* ignore Lun.
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*
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* Tag - the tag for the information needing set
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*
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* Length - the length of the returned data Value - the value of the
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* data
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*
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* returns:
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*
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* IFD_SUCCESS IFD_ERROR_TAG IFD_ERROR_SET_FAILURE
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* IFD_ERROR_VALUE_READ_ONLY
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*/
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/* By default, say it worked */
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DEBUG_INFO3("lun: %X, tag: 0x%X", Lun, Tag);
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/* if (CheckLun(Lun))
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return IFD_COMMUNICATION_ERROR; */
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return IFD_NOT_SUPPORTED;
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} /* IFDHSetCapabilities */
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RESPONSECODE IFDHSetProtocolParameters(DWORD Lun, DWORD Protocol,
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UCHAR Flags, UCHAR PTS1, UCHAR PTS2, UCHAR PTS3)
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{
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/*
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* This function should set the PTS of a particular card/slot using
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* the three PTS parameters sent
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*
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* Protocol - 0 .... 14 T=0 .... T=14
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* Flags - Logical OR of possible values:
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* IFD_NEGOTIATE_PTS1
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* IFD_NEGOTIATE_PTS2
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* IFD_NEGOTIATE_PTS3
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* to determine which PTS values to negotiate.
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* PTS1,PTS2,PTS3 - PTS Values.
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*
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* returns:
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* IFD_SUCCESS
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* IFD_ERROR_PTS_FAILURE
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* IFD_COMMUNICATION_ERROR
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* IFD_PROTOCOL_NOT_SUPPORTED
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*/
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BYTE pps[PPS_MAX_LENGTH];
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ATR atr;
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unsigned int len;
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int convention;
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int reader_index;
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/* Set ccid desc params */
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CcidDesc *ccid_slot;
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_ccid_descriptor *ccid_desc;
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DEBUG_INFO3("lun: %X, protocol T=%d", Lun, Protocol-1);
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if (-1 == (reader_index = LunToReaderIndex(Lun)))
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return IFD_COMMUNICATION_ERROR;
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/* Set to zero buffer */
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memset(pps, 0, sizeof(pps));
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memset(&atr, 0, sizeof(atr));
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/* Get ccid params */
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ccid_slot = get_ccid_slot(reader_index);
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ccid_desc = get_ccid_descriptor(reader_index);
|
| 385 |
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/* Get ATR of the card */
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| 387 |
ATR_InitFromArray(&atr, ccid_slot->pcATRBuffer, ccid_slot->nATRLength);
|
| 388 |
|
| 389 |
if (SCARD_PROTOCOL_T0 == Protocol)
|
| 390 |
pps[1] |= ATR_PROTOCOL_TYPE_T0;
|
| 391 |
else
|
| 392 |
if (SCARD_PROTOCOL_T1 == Protocol)
|
| 393 |
pps[1] |= ATR_PROTOCOL_TYPE_T1;
|
| 394 |
else
|
| 395 |
return IFD_PROTOCOL_NOT_SUPPORTED;
|
| 396 |
|
| 397 |
/* TA2 present -> specific mode */
|
| 398 |
if (atr.ib[1][ATR_INTERFACE_BYTE_TA].present)
|
| 399 |
{
|
| 400 |
if (pps[1] != (atr.ib[1][ATR_INTERFACE_BYTE_TA].value & 0x0F))
|
| 401 |
{
|
| 402 |
/* wrong protocol */
|
| 403 |
DEBUG_COMM3("Specific mode in T=%d and T=%d requested",
|
| 404 |
atr.ib[1][ATR_INTERFACE_BYTE_TA].value & 0x0F, pps[1]);
|
| 405 |
|
| 406 |
return IFD_PROTOCOL_NOT_SUPPORTED;
|
| 407 |
}
|
| 408 |
}
|
| 409 |
|
| 410 |
/* TCi (i>2) indicates CRC instead of LRC */
|
| 411 |
if (SCARD_PROTOCOL_T1 == Protocol)
|
| 412 |
{
|
| 413 |
t1_state_t *t1 = &(ccid_slot -> t1);
|
| 414 |
int i;
|
| 415 |
|
| 416 |
/* TCi (i>2) present? */
|
| 417 |
for (i=2; i<ATR_MAX_PROTOCOLS; i++)
|
| 418 |
if (atr.ib[i][ATR_INTERFACE_BYTE_TC].present)
|
| 419 |
{
|
| 420 |
if (0 == atr.ib[i][ATR_INTERFACE_BYTE_TC].value)
|
| 421 |
{
|
| 422 |
DEBUG_COMM("Use LRC");
|
| 423 |
t1_set_param(t1, IFD_PROTOCOL_T1_CHECKSUM_LRC, 0);
|
| 424 |
}
|
| 425 |
else
|
| 426 |
if (1 == atr.ib[i][ATR_INTERFACE_BYTE_TC].value)
|
| 427 |
{
|
| 428 |
DEBUG_COMM("Use CRC");
|
| 429 |
t1_set_param(t1, IFD_PROTOCOL_T1_CHECKSUM_CRC, 0);
|
| 430 |
}
|
| 431 |
else
|
| 432 |
DEBUG_COMM2("Wrong value for TCi: %d",
|
| 433 |
atr.ib[i][ATR_INTERFACE_BYTE_TC].value);
|
| 434 |
|
| 435 |
/* only the first TCi (i>2) must be used */
|
| 436 |
break;
|
| 437 |
}
|
| 438 |
}
|
| 439 |
|
| 440 |
/* PTS1? */
|
| 441 |
if (Flags & IFD_NEGOTIATE_PTS1)
|
| 442 |
{
|
| 443 |
/* just use the value passed in argument */
|
| 444 |
pps[1] |= 0x10; /* PTS1 presence */
|
| 445 |
pps[2] = PTS1;
|
| 446 |
}
|
| 447 |
else
|
| 448 |
{
|
| 449 |
/* PPS not negociated by reader, and TA1 present */
|
| 450 |
if (atr.ib[0][ATR_INTERFACE_BYTE_TA].present &&
|
| 451 |
! (ccid_desc->dwFeatures & CCID_CLASS_AUTO_PPS_CUR))
|
| 452 |
{
|
| 453 |
unsigned int card_baudrate;
|
| 454 |
unsigned int default_baudrate;
|
| 455 |
double f, d;
|
| 456 |
|
| 457 |
ATR_GetParameter(&atr, ATR_PARAMETER_D, &d);
|
| 458 |
ATR_GetParameter(&atr, ATR_PARAMETER_F, &f);
|
| 459 |
|
| 460 |
/* Baudrate = f x D/F */
|
| 461 |
card_baudrate = (unsigned int) (1000 * ccid_desc->dwDefaultClock
|
| 462 |
* d / f);
|
| 463 |
|
| 464 |
default_baudrate = (unsigned int) (1000 * ccid_desc->dwDefaultClock
|
| 465 |
* ATR_DEFAULT_D / ATR_DEFAULT_F);
|
| 466 |
|
| 467 |
/* if the reader is fast enough */
|
| 468 |
if ((card_baudrate < ccid_desc->dwMaxDataRate)
|
| 469 |
/* and the card does not try to lower the default speed */
|
| 470 |
&& (card_baudrate > default_baudrate ))
|
| 471 |
{
|
| 472 |
pps[1] |= 0x10; /* PTS1 presence */
|
| 473 |
pps[2] = atr.ib[0][ATR_INTERFACE_BYTE_TA].value;
|
| 474 |
|
| 475 |
DEBUG_COMM2("Set speed to %d bauds", card_baudrate);
|
| 476 |
}
|
| 477 |
}
|
| 478 |
}
|
| 479 |
|
| 480 |
/* PTS2? */
|
| 481 |
if (Flags & IFD_NEGOTIATE_PTS2)
|
| 482 |
{
|
| 483 |
pps[1] |= 0x20; /* PTS2 presence */
|
| 484 |
pps[3] = PTS2;
|
| 485 |
}
|
| 486 |
|
| 487 |
/* PTS3? */
|
| 488 |
if (Flags & IFD_NEGOTIATE_PTS3)
|
| 489 |
{
|
| 490 |
pps[1] |= 0x40; /* PTS3 presence */
|
| 491 |
pps[4] = PTS3;
|
| 492 |
}
|
| 493 |
|
| 494 |
/* Generate PPS */
|
| 495 |
pps[0] = 0xFF;
|
| 496 |
|
| 497 |
/* Automatic PPS made by the ICC? */
|
| 498 |
if ((! (ccid_desc->dwFeatures & CCID_CLASS_AUTO_PPS_CUR))
|
| 499 |
/* TA2 absent: negociable mode */
|
| 500 |
&& (! atr.ib[1][ATR_INTERFACE_BYTE_TA].present))
|
| 501 |
{
|
| 502 |
int default_protocol;
|
| 503 |
|
| 504 |
if (ATR_MALFORMED == ATR_GetDefaultProtocol(&atr, &default_protocol))
|
| 505 |
return IFD_PROTOCOL_NOT_SUPPORTED;
|
| 506 |
|
| 507 |
/* if the requested protocol is not the default one
|
| 508 |
* or a TA1/PPS1 is present */
|
| 509 |
if (((pps[1] & 0x0F) != default_protocol) || (PPS_HAS_PPS1(pps)))
|
| 510 |
if (PPS_Exchange(reader_index, pps, &len, &pps[2]) != PPS_OK)
|
| 511 |
{
|
| 512 |
DEBUG_INFO("PPS_Exchange Failed");
|
| 513 |
|
| 514 |
return IFD_ERROR_PTS_FAILURE;
|
| 515 |
}
|
| 516 |
}
|
| 517 |
|
| 518 |
/* Now we must set the reader parameters */
|
| 519 |
ATR_GetConvention(&atr, &convention);
|
| 520 |
|
| 521 |
/* specific mode and implicit parameters? (b5 of TA2) */
|
| 522 |
if (atr.ib[1][ATR_INTERFACE_BYTE_TA].present
|
| 523 |
&& (atr.ib[1][ATR_INTERFACE_BYTE_TA].value & 0x10))
|
| 524 |
return IFD_COMMUNICATION_ERROR;
|
| 525 |
|
| 526 |
/* T=1 */
|
| 527 |
if (SCARD_PROTOCOL_T1 == Protocol)
|
| 528 |
{
|
| 529 |
BYTE param[] = {
|
| 530 |
0x11, /* Fi/Di */
|
| 531 |
0x10, /* TCCKS */
|
| 532 |
0x00, /* GuardTime */
|
| 533 |
0x4D, /* BWI/BCI */
|
| 534 |
0x00, /* ClockStop */
|
| 535 |
0x20, /* IFSC */
|
| 536 |
0x00 /* NADValue */
|
| 537 |
};
|
| 538 |
int i;
|
| 539 |
|
| 540 |
/* TA1 is not default */
|
| 541 |
if (PPS_HAS_PPS1(pps))
|
| 542 |
param[0] = pps[2];
|
| 543 |
|
| 544 |
if (ATR_CONVENTION_INVERSE == convention)
|
| 545 |
param[1] &= 0x02;
|
| 546 |
|
| 547 |
/* get TC1 Extra guard time */
|
| 548 |
if (atr.ib[0][ATR_INTERFACE_BYTE_TC].present)
|
| 549 |
param[2] = atr.ib[0][ATR_INTERFACE_BYTE_TC].value;
|
| 550 |
|
| 551 |
/* TBi (i>2) present? BWI/BCI */
|
| 552 |
for (i=2; i<ATR_MAX_PROTOCOLS; i++)
|
| 553 |
if (atr.ib[i][ATR_INTERFACE_BYTE_TB].present)
|
| 554 |
{
|
| 555 |
DEBUG_COMM3("BWI/BCI (TB%d) present: %d", i+1,
|
| 556 |
atr.ib[i][ATR_INTERFACE_BYTE_TB].value);
|
| 557 |
param[3] = atr.ib[i][ATR_INTERFACE_BYTE_TB].value;
|
| 558 |
|
| 559 |
/* only the first TBi (i>2) must be used */
|
| 560 |
break;
|
| 561 |
}
|
| 562 |
|
| 563 |
if (IFD_SUCCESS != SetParameters(reader_index, 1, sizeof(param), param))
|
| 564 |
return IFD_COMMUNICATION_ERROR;
|
| 565 |
}
|
| 566 |
else
|
| 567 |
/* T=0 */
|
| 568 |
{
|
| 569 |
BYTE param[] = {
|
| 570 |
0x11, /* Fi/Di */
|
| 571 |
0x00, /* TCCKS */
|
| 572 |
0x00, /* GuardTime */
|
| 573 |
0x0A, /* WaitingInteger */
|
| 574 |
0x00 /* ClockStop */
|
| 575 |
};
|
| 576 |
|
| 577 |
/* TA1 is not default */
|
| 578 |
if (PPS_HAS_PPS1(pps))
|
| 579 |
param[0] = pps[2];
|
| 580 |
|
| 581 |
if (ATR_CONVENTION_INVERSE == convention)
|
| 582 |
param[1] &= 0x02;
|
| 583 |
|
| 584 |
/* get TC1 Extra guard time */
|
| 585 |
if (atr.ib[0][ATR_INTERFACE_BYTE_TC].present)
|
| 586 |
param[2] = atr.ib[0][ATR_INTERFACE_BYTE_TC].value;
|
| 587 |
|
| 588 |
/* TC2 WWT */
|
| 589 |
if (atr.ib[1][ATR_INTERFACE_BYTE_TC].present)
|
| 590 |
param[3] = atr.ib[1][ATR_INTERFACE_BYTE_TC].value;
|
| 591 |
|
| 592 |
if (IFD_SUCCESS != SetParameters(reader_index, 0, sizeof(param), param))
|
| 593 |
return IFD_COMMUNICATION_ERROR;
|
| 594 |
}
|
| 595 |
|
| 596 |
/* set IFSC & IFSD in T=1 */
|
| 597 |
if (SCARD_PROTOCOL_T1 == Protocol)
|
| 598 |
{
|
| 599 |
t1_state_t *t1 = &(ccid_slot -> t1);
|
| 600 |
int i;
|
| 601 |
|
| 602 |
/* TAi (i>2) present? */
|
| 603 |
for (i=2; i<ATR_MAX_PROTOCOLS; i++)
|
| 604 |
if (atr.ib[i][ATR_INTERFACE_BYTE_TA].present)
|
| 605 |
{
|
| 606 |
DEBUG_COMM3("IFSC (TA%d) present: %d", i+1,
|
| 607 |
atr.ib[i][ATR_INTERFACE_BYTE_TA].value);
|
| 608 |
t1_set_param(t1, IFD_PROTOCOL_T1_IFSC,
|
| 609 |
atr.ib[i][ATR_INTERFACE_BYTE_TA].value);
|
| 610 |
|
| 611 |
/* only the first TAi (i>2) must be used */
|
| 612 |
break;
|
| 613 |
}
|
| 614 |
|
| 615 |
/* IFSD not negociated by the reader? */
|
| 616 |
if (! (ccid_desc->dwFeatures & CCID_CLASS_AUTO_IFSD))
|
| 617 |
{
|
| 618 |
DEBUG_COMM2("Negociate IFSD at %d", ccid_desc -> dwMaxIFSD);
|
| 619 |
if (t1_negociate_ifsd(t1, 0, ccid_desc -> dwMaxIFSD) < 0)
|
| 620 |
return IFD_COMMUNICATION_ERROR;
|
| 621 |
}
|
| 622 |
t1_set_param(t1, IFD_PROTOCOL_T1_IFSD, ccid_desc -> dwMaxIFSD);
|
| 623 |
|
| 624 |
DEBUG_COMM3("T=1: IFSC=%d, IFSD=%d", t1->ifsc, t1->ifsd);
|
| 625 |
}
|
| 626 |
|
| 627 |
return IFD_SUCCESS;
|
| 628 |
} /* IFDHSetProtocolParameters */
|
| 629 |
|
| 630 |
|
| 631 |
RESPONSECODE IFDHPowerICC(DWORD Lun, DWORD Action,
|
| 632 |
PUCHAR Atr, PDWORD AtrLength)
|
| 633 |
{
|
| 634 |
/*
|
| 635 |
* This function controls the power and reset signals of the smartcard
|
| 636 |
* reader at the particular reader/slot specified by Lun.
|
| 637 |
*
|
| 638 |
* Action - Action to be taken on the card.
|
| 639 |
*
|
| 640 |
* IFD_POWER_UP - Power and reset the card if not done so (store the
|
| 641 |
* ATR and return it and it's length).
|
| 642 |
*
|
| 643 |
* IFD_POWER_DOWN - Power down the card if not done already
|
| 644 |
* (Atr/AtrLength should be zero'd)
|
| 645 |
*
|
| 646 |
* IFD_RESET - Perform a quick reset on the card. If the card is not
|
| 647 |
* powered power up the card. (Store and return the Atr/Length)
|
| 648 |
*
|
| 649 |
* Atr - Answer to Reset of the card. The driver is responsible for
|
| 650 |
* caching this value in case IFDHGetCapabilities is called requesting
|
| 651 |
* the ATR and it's length. This should not exceed MAX_ATR_SIZE.
|
| 652 |
*
|
| 653 |
* AtrLength - Length of the Atr. This should not exceed
|
| 654 |
* MAX_ATR_SIZE.
|
| 655 |
*
|
| 656 |
* Notes:
|
| 657 |
*
|
| 658 |
* Memory cards without an ATR should return IFD_SUCCESS on reset but
|
| 659 |
* the Atr should be zero'd and the length should be zero
|
| 660 |
*
|
| 661 |
* Reset errors should return zero for the AtrLength and return
|
| 662 |
* IFD_ERROR_POWER_ACTION.
|
| 663 |
*
|
| 664 |
* returns:
|
| 665 |
*
|
| 666 |
* IFD_SUCCESS IFD_ERROR_POWER_ACTION IFD_COMMUNICATION_ERROR
|
| 667 |
* IFD_NOT_SUPPORTED
|
| 668 |
*/
|
| 669 |
|
| 670 |
unsigned int nlength;
|
| 671 |
RESPONSECODE return_value = IFD_SUCCESS;
|
| 672 |
unsigned char pcbuffer[RESP_BUF_SIZE];
|
| 673 |
int reader_index;
|
| 674 |
|
| 675 |
DEBUG_INFO2("lun: %X", Lun);
|
| 676 |
|
| 677 |
/* By default, assume it won't work :) */
|
| 678 |
*AtrLength = 0;
|
| 679 |
|
| 680 |
if (-1 == (reader_index = LunToReaderIndex(Lun)))
|
| 681 |
return IFD_COMMUNICATION_ERROR;
|
| 682 |
|
| 683 |
switch (Action)
|
| 684 |
{
|
| 685 |
case IFD_POWER_DOWN:
|
| 686 |
/* Clear ATR buffer */
|
| 687 |
CcidSlots[reader_index].nATRLength = 0;
|
| 688 |
*CcidSlots[reader_index].pcATRBuffer = '\0';
|
| 689 |
|
| 690 |
/* Memorise the request */
|
| 691 |
CcidSlots[reader_index].bPowerFlags |=
|
| 692 |
MASK_POWERFLAGS_PDWN;
|
| 693 |
|
| 694 |
/* send the command */
|
| 695 |
if (IFD_SUCCESS != CmdPowerOff(reader_index))
|
| 696 |
{
|
| 697 |
DEBUG_CRITICAL("PowerDown failed");
|
| 698 |
return_value = IFD_ERROR_POWER_ACTION;
|
| 699 |
goto end;
|
| 700 |
}
|
| 701 |
|
| 702 |
/* clear T=1 context */
|
| 703 |
t1_release(&(get_ccid_slot(reader_index) -> t1));
|
| 704 |
break;
|
| 705 |
|
| 706 |
case IFD_POWER_UP:
|
| 707 |
case IFD_RESET:
|
| 708 |
nlength = sizeof(pcbuffer);
|
| 709 |
if (CmdPowerOn(reader_index, &nlength, pcbuffer) != IFD_SUCCESS)
|
| 710 |
{
|
| 711 |
DEBUG_CRITICAL("PowerUp failed");
|
| 712 |
return_value = IFD_ERROR_POWER_ACTION;
|
| 713 |
goto end;
|
| 714 |
}
|
| 715 |
|
| 716 |
/* Power up successful, set state variable to memorise it */
|
| 717 |
CcidSlots[reader_index].bPowerFlags |=
|
| 718 |
MASK_POWERFLAGS_PUP;
|
| 719 |
CcidSlots[reader_index].bPowerFlags &=
|
| 720 |
~MASK_POWERFLAGS_PDWN;
|
| 721 |
|
| 722 |
/* Reset is returned, even if TCK is wrong */
|
| 723 |
CcidSlots[reader_index].nATRLength = *AtrLength =
|
| 724 |
(nlength < MAX_ATR_SIZE) ? nlength : MAX_ATR_SIZE;
|
| 725 |
memcpy(Atr, pcbuffer, *AtrLength);
|
| 726 |
memcpy(CcidSlots[reader_index].pcATRBuffer,
|
| 727 |
pcbuffer, *AtrLength);
|
| 728 |
|
| 729 |
/* initialise T=1 context */
|
| 730 |
t1_init(&(get_ccid_slot(reader_index) -> t1), reader_index);
|
| 731 |
break;
|
| 732 |
|
| 733 |
default:
|
| 734 |
DEBUG_CRITICAL("Action not supported");
|
| 735 |
return_value = IFD_NOT_SUPPORTED;
|
| 736 |
}
|
| 737 |
end:
|
| 738 |
|
| 739 |
return return_value;
|
| 740 |
} /* IFDHPowerICC */
|
| 741 |
|
| 742 |
|
| 743 |
RESPONSECODE IFDHTransmitToICC(DWORD Lun, SCARD_IO_HEADER SendPci,
|
| 744 |
PUCHAR TxBuffer, DWORD TxLength,
|
| 745 |
PUCHAR RxBuffer, PDWORD RxLength, /*@unused@*/ PSCARD_IO_HEADER RecvPci)
|
| 746 |
{
|
| 747 |
/*
|
| 748 |
* This function performs an APDU exchange with the card/slot
|
| 749 |
* specified by Lun. The driver is responsible for performing any
|
| 750 |
* protocol specific exchanges such as T=0/1 ... differences. Calling
|
| 751 |
* this function will abstract all protocol differences.
|
| 752 |
*
|
| 753 |
* SendPci Protocol - 0, 1, .... 14 Length - Not used.
|
| 754 |
*
|
| 755 |
* TxBuffer - Transmit APDU example (0x00 0xA4 0x00 0x00 0x02 0x3F
|
| 756 |
* 0x00) TxLength - Length of this buffer. RxBuffer - Receive APDU
|
| 757 |
* example (0x61 0x14) RxLength - Length of the received APDU. This
|
| 758 |
* function will be passed the size of the buffer of RxBuffer and this
|
| 759 |
* function is responsible for setting this to the length of the
|
| 760 |
* received APDU. This should be ZERO on all errors. The resource
|
| 761 |
* manager will take responsibility of zeroing out any temporary APDU
|
| 762 |
* buffers for security reasons.
|
| 763 |
*
|
| 764 |
* RecvPci Protocol - 0, 1, .... 14 Length - Not used.
|
| 765 |
*
|
| 766 |
* Notes: The driver is responsible for knowing what type of card it
|
| 767 |
* has. If the current slot/card contains a memory card then this
|
| 768 |
* command should ignore the Protocol and use the MCT style commands
|
| 769 |
* for support for these style cards and transmit them appropriately.
|
| 770 |
* If your reader does not support memory cards or you don't want to
|
| 771 |
* then ignore this.
|
| 772 |
*
|
| 773 |
* RxLength should be set to zero on error.
|
| 774 |
*
|
| 775 |
* returns:
|
| 776 |
*
|
| 777 |
* IFD_SUCCESS IFD_COMMUNICATION_ERROR IFD_RESPONSE_TIMEOUT
|
| 778 |
* IFD_ICC_NOT_PRESENT IFD_PROTOCOL_NOT_SUPPORTED
|
| 779 |
*/
|
| 780 |
|
| 781 |
RESPONSECODE return_value;
|
| 782 |
unsigned int rx_length;
|
| 783 |
int reader_index;
|
| 784 |
|
| 785 |
DEBUG_INFO2("lun: %X", Lun);
|
| 786 |
|
| 787 |
if (-1 == (reader_index = LunToReaderIndex(Lun)))
|
| 788 |
return IFD_COMMUNICATION_ERROR;
|
| 789 |
|
| 790 |
rx_length = *RxLength;
|
| 791 |
return_value = CmdXfrBlock(reader_index, TxLength, TxBuffer, &rx_length,
|
| 792 |
RxBuffer, SendPci.Protocol);
|
| 793 |
*RxLength = rx_length;
|
| 794 |
|
| 795 |
return return_value;
|
| 796 |
} /* IFDHTransmitToICC */
|
| 797 |
|
| 798 |
|
| 799 |
RESPONSECODE IFDHControl(DWORD Lun, DWORD dwControlCode, PUCHAR TxBuffer,
|
| 800 |
DWORD TxLength, PUCHAR RxBuffer, DWORD RxLength, PDWORD pdwBytesReturned)
|
| 801 |
{
|
| 802 |
/*
|
| 803 |
* This function performs a data exchange with the reader (not the
|
| 804 |
* card) specified by Lun. Here XXXX will only be used. It is
|
| 805 |
* responsible for abstracting functionality such as PIN pads,
|
| 806 |
* biometrics, LCD panels, etc. You should follow the MCT, CTBCS
|
| 807 |
* specifications for a list of accepted commands to implement.
|
| 808 |
*
|
| 809 |
* TxBuffer - Transmit data TxLength - Length of this buffer. RxBuffer
|
| 810 |
* - Receive data RxLength - Length of the received data. This
|
| 811 |
* function will be passed the length of the buffer RxBuffer and it
|
| 812 |
* must set this to the length of the received data.
|
| 813 |
*
|
| 814 |
* Notes: RxLength should be zero on error.
|
| 815 |
*/
|
| 816 |
RESPONSECODE return_value = IFD_COMMUNICATION_ERROR;
|
| 817 |
int reader_index;
|
| 818 |
|
| 819 |
DEBUG_INFO3("lun: %X, ControlCode: 0x%X", Lun, dwControlCode);
|
| 820 |
|
| 821 |
reader_index = LunToReaderIndex(Lun);
|
| 822 |
if ((-1 == reader_index) || (NULL == pdwBytesReturned)
|
| 823 |
|| (NULL == RxBuffer))
|
| 824 |
return return_value;
|
| 825 |
|
| 826 |
/* Set the return length to 0 to avoid problems */
|
| 827 |
*pdwBytesReturned = 0;
|
| 828 |
|
| 829 |
if (IOCTL_SMARTCARD_VENDOR_IFD_EXCHANGE == dwControlCode)
|
| 830 |
{
|
| 831 |
if (FALSE == (DriverOptions & DRIVER_OPTION_CCID_EXCHANGE_AUTHORIZED))
|
| 832 |
{
|
| 833 |
DEBUG_INFO("ifd exchange (Escape command) not allowed");
|
| 834 |
return_value = IFD_COMMUNICATION_ERROR;
|
| 835 |
}
|
| 836 |
else
|
| 837 |
{
|
| 838 |
unsigned int iBytesReturned;
|
| 839 |
|
| 840 |
iBytesReturned = RxLength;
|
| 841 |
return_value = CmdEscape(reader_index, TxBuffer, TxLength, RxBuffer,
|
| 842 |
&iBytesReturned);
|
| 843 |
*pdwBytesReturned = iBytesReturned;
|
| 844 |
}
|
| 845 |
}
|
| 846 |
|
| 847 |
if (IOCTL_SMARTCARD_VENDOR_VERIFY_PIN == dwControlCode)
|
| 848 |
{
|
| 849 |
unsigned int iBytesReturned;
|
| 850 |
|
| 851 |
iBytesReturned = RxLength;
|
| 852 |
return_value = SecurePIN(reader_index, TxBuffer, TxLength, RxBuffer,
|
| 853 |
&iBytesReturned);
|
| 854 |
*pdwBytesReturned = iBytesReturned;
|
| 855 |
}
|
| 856 |
|
| 857 |
return return_value;
|
| 858 |
} /* IFDHControl */
|
| 859 |
|
| 860 |
|
| 861 |
RESPONSECODE IFDHICCPresence(DWORD Lun)
|
| 862 |
{
|
| 863 |
/*
|
| 864 |
* This function returns the status of the card inserted in the
|
| 865 |
* reader/slot specified by Lun. It will return either:
|
| 866 |
*
|
| 867 |
* returns: IFD_ICC_PRESENT IFD_ICC_NOT_PRESENT
|
| 868 |
* IFD_COMMUNICATION_ERROR
|
| 869 |
*/
|
| 870 |
|
| 871 |
unsigned char pcbuffer[SIZE_GET_SLOT_STATUS];
|
| 872 |
RESPONSECODE return_value = IFD_COMMUNICATION_ERROR;
|
| 873 |
int oldLogLevel;
|
| 874 |
int reader_index;
|
| 875 |
_ccid_descriptor *ccid_descriptor;
|
| 876 |
|
| 877 |
DEBUG_PERIODIC2("lun: %X", Lun);
|
| 878 |
|
| 879 |
if (-1 == (reader_index = LunToReaderIndex(Lun)))
|
| 880 |
return IFD_COMMUNICATION_ERROR;
|
| 881 |
|
| 882 |
ccid_descriptor = get_ccid_descriptor(reader_index);
|
| 883 |
|
| 884 |
/* if DEBUG_LEVEL_PERIODIC is not set we remove DEBUG_LEVEL_COMM */
|
| 885 |
oldLogLevel = LogLevel;
|
| 886 |
if (! (LogLevel & DEBUG_LEVEL_PERIODIC))
|
| 887 |
LogLevel &= ~DEBUG_LEVEL_COMM;
|
| 888 |
|
| 889 |
return_value = CmdGetSlotStatus(reader_index, pcbuffer);
|
| 890 |
|
| 891 |
/* set back the old LogLevel */
|
| 892 |
LogLevel = oldLogLevel;
|
| 893 |
|
| 894 |
if (return_value != IFD_SUCCESS)
|
| 895 |
return IFD_COMMUNICATION_ERROR;
|
| 896 |
|
| 897 |
return_value = IFD_COMMUNICATION_ERROR;
|
| 898 |
switch (pcbuffer[7]) /* bStatus */
|
| 899 |
{
|
| 900 |
case 0x00:
|
| 901 |
case 0x01:
|
| 902 |
return_value = IFD_ICC_PRESENT;
|
| 903 |
/* use default slot */
|
| 904 |
break;
|
| 905 |
|
| 906 |
case 0x02:
|
| 907 |
/* Reset ATR buffer */
|
| 908 |
CcidSlots[reader_index].nATRLength = 0;
|
| 909 |
*CcidSlots[reader_index].pcATRBuffer = '\0';
|
| 910 |
|
| 911 |
/* Reset PowerFlags */
|
| 912 |
CcidSlots[reader_index].bPowerFlags = POWERFLAGS_RAZ;
|
| 913 |
|
| 914 |
return_value = IFD_ICC_NOT_PRESENT;
|
| 915 |
break;
|
| 916 |
}
|
| 917 |
|
| 918 |
/* SCR331-DI contactless reader */
|
| 919 |
if ((SCR331DI == ccid_descriptor->readerID)
|
| 920 |
&& (ccid_descriptor->bCurrentSlotIndex > 0))
|
| 921 |
{
|
| 922 |
unsigned char cmd[] = { 0x11 };
|
| 923 |
/* command: 11 ??
|
| 924 |
* response: 00 11 01 ?? no card
|
| 925 |
* 01 04 00 ?? card present */
|
| 926 |
|
| 927 |
unsigned char res[10];
|
| 928 |
unsigned int length_res = sizeof(res);
|
| 929 |
|
| 930 |
/* if DEBUG_LEVEL_PERIODIC is not set we remove DEBUG_LEVEL_COMM */
|
| 931 |
oldLogLevel = LogLevel;
|
| 932 |
if (! (LogLevel & DEBUG_LEVEL_PERIODIC))
|
| 933 |
LogLevel &= ~DEBUG_LEVEL_COMM;
|
| 934 |
|
| 935 |
CmdEscape(reader_index, cmd, sizeof(cmd), res, &length_res);
|
| 936 |
|
| 937 |
/* set back the old LogLevel */
|
| 938 |
LogLevel = oldLogLevel;
|
| 939 |
|
| 940 |
if (0x01 == res[0])
|
| 941 |
return_value = IFD_ICC_PRESENT;
|
| 942 |
else
|
| 943 |
{
|
| 944 |
/* Reset ATR buffer */
|
| 945 |
CcidSlots[reader_index].nATRLength = 0;
|
| 946 |
*CcidSlots[reader_index].pcATRBuffer = '\0';
|
| 947 |
|
| 948 |
/* Reset PowerFlags */
|
| 949 |
CcidSlots[reader_index].bPowerFlags = POWERFLAGS_RAZ;
|
| 950 |
|
| 951 |
return_value = IFD_ICC_NOT_PRESENT;
|
| 952 |
}
|
| 953 |
}
|
| 954 |
|
| 955 |
DEBUG_PERIODIC2("Card %s",
|
| 956 |
IFD_ICC_PRESENT == return_value ? "present" : "absent");
|
| 957 |
|
| 958 |
return return_value;
|
| 959 |
} /* IFDHICCPresence */
|
| 960 |
|
| 961 |
|
| 962 |
CcidDesc *get_ccid_slot(unsigned int reader_index)
|
| 963 |
{
|
| 964 |
return &CcidSlots[reader_index];
|
| 965 |
} /* get_ccid_slot */
|
| 966 |
|
| 967 |
|
| 968 |
void init_driver(void)
|
| 969 |
{
|
| 970 |
char keyValue[TOKEN_MAX_VALUE_SIZE];
|
| 971 |
char infofile[FILENAME_MAX];
|
| 972 |
|
| 973 |
/* Info.plist full patch filename */
|
| 974 |
snprintf(infofile, sizeof(infofile), "%s/%s/Contents/Info.plist",
|
| 975 |
PCSCLITE_HP_DROPDIR, BUNDLE);
|
| 976 |
|
| 977 |
/* Log level */
|
| 978 |
if (0 == LTPBundleFindValueWithKey(infofile, "ifdLogLevel", keyValue, 0))
|
| 979 |
{
|
| 980 |
/* convert from hex or dec or octal */
|
| 981 |
LogLevel = strtoul(keyValue, NULL, 0);
|
| 982 |
|
| 983 |
/* print the log level used */
|
| 984 |
debug_msg("%s:%d:%s LogLevel: 0x%.4X", __FILE__, __LINE__, __FUNCTION__,
|
| 985 |
LogLevel);
|
| 986 |
}
|
| 987 |
|
| 988 |
/* Driver options */
|
| 989 |
if (0 == LTPBundleFindValueWithKey(infofile, "ifdDriverOptions", keyValue, 0))
|
| 990 |
{
|
| 991 |
/* convert from hex or dec or octal */
|
| 992 |
DriverOptions = strtoul(keyValue, NULL, 0);
|
| 993 |
|
| 994 |
/* print the log level used */
|
| 995 |
debug_msg("%s:%d:%s DriverOptions: 0x%.4X", __FILE__, __LINE__,
|
| 996 |
__FUNCTION__, DriverOptions);
|
| 997 |
}
|
| 998 |
|
| 999 |
/* initialise the Lun to reader_index mapping */
|
| 1000 |
InitReaderIndex();
|
| 1001 |
|
| 1002 |
DebugInitialized = TRUE;
|
| 1003 |
} /* init_driver */
|
| 1004 |
|
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