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/***************************************************************************
$RCSfile$
-------------------
cvs : $Id: tutorial1c.c 163 2006-02-15 19:31:45Z aquamaniac $
begin : Mon Mar 01 2004
copyright : (C) 2004 by Martin Preuss
email : martin@libchipcard.de
***************************************************************************
* Please see toplevel file COPYING for license details *
***************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#undef BUILDING_LIBCHIPCARD2_DLL
#include <chipcard2/chipcard2.h>
#include <chipcard2-client/client/client.h>
/*
* This is a small tutorial on how to use the basic functions of
* libchipcard2. It just waits for a card to be inserted and prints some
* card's information.
* This is the most basic type of application using a chipcard, no error
* checking is performed.
*
* This version now does error checking.
*
* Usage:
* tutorial1c
*/
/* This function explains an error */
void showError(LC_CARD *card, LC_CLIENT_RESULT res,
const char *failedCommand) {
const char *s;
switch(res) {
case LC_Client_ResultOk:
s="Ok.";
break;
case LC_Client_ResultWait:
s="Timeout.";
break;
case LC_Client_ResultIpcError:
s="IPC error.";
break;
case LC_Client_ResultCmdError:
s="Command error.";
break;
case LC_Client_ResultDataError:
s="Data error.";
break;
case LC_Client_ResultAborted:
s="Aborted.";
break;
case LC_Client_ResultInvalid:
s="Invalid argument to command.";
break;
case LC_Client_ResultInternal:
s="Internal error.";
break;
case LC_Client_ResultGeneric:
s="Generic error.";
break;
default:
s="Unknown error.";
break;
}
fprintf(stderr, "Error in \"%s\": %s\n", failedCommand, s);
if (res==LC_Client_ResultCmdError) {
int sw1;
int sw2;
sw1=LC_Card_GetLastSW1(card);
sw2=LC_Card_GetLastSW2(card);
fprintf(stderr, " Last card command result:\n");
if (sw1!=-1 && sw2!=-1)
fprintf(stderr, " SW1=%02x, SW2=%02x\n", sw1, sw2);
s=LC_Card_GetLastResult(card);
if (s)
fprintf(stderr, " Result: %s\n", s);
s=LC_Card_GetLastText(card);
if (s)
fprintf(stderr, " Text : %s\n", s);
}
}
int main(int argc, char **argv) {
LC_CLIENT *cl;
LC_CARD *card=0;
LC_CLIENT_RESULT res;
cl=LC_Client_new("tutorial1c", "1.0", 0);
if (LC_Client_ReadConfigFile(cl, 0)){
fprintf(stderr, "ERROR: Error reading configuration.\n");
LC_Client_free(cl);
return 1;
}
fprintf(stderr, "INFO: Connecting to server.\n");
res=LC_Client_StartWait(cl, 0, 0);
if (res!=LC_Client_ResultOk) {
showError(card, res, "StartWait");
LC_Client_free(cl);
return 2;
}
fprintf(stderr, "Please insert a chip card.\n");
card=LC_Client_WaitForNextCard(cl, 30);
if (!card) {
fprintf(stderr, "ERROR: No card found.\n");
LC_Client_StopWait(cl);
LC_Client_free(cl);
return 2;
}
/* stop waiting */
fprintf(stderr, "INFO: Telling the server that we need no more cards.\n");
res=LC_Client_StopWait(cl);
if (res!=LC_Client_ResultOk) {
showError(card, res, "StopWait");
LC_Client_free(cl);
return 2;
}
/* open card */
fprintf(stderr, "INFO: Opening card.\n");
res=LC_Card_Open(card);
if (res!=LC_Client_ResultOk) {
fprintf(stderr,
"ERROR: Error executing command CardOpen (%d).\n",
res);
LC_Client_free(cl);
return 2;
}
/* show card information */
fprintf(stderr, "INFO: I got this card:\n");
LC_Card_Dump(card, stderr, 0);
/* close card */
fprintf(stderr, "INFO: Closing card.\n");
res=LC_Card_Close(card);
if (res!=LC_Client_ResultOk) {
showError(card, res, "CardClose");
LC_Card_free(card);
LC_Client_free(cl);
return 2;
}
fprintf(stderr, "INFO: Card closed.\n");
/* cleanup */
LC_Card_free(card);
LC_Client_free(cl);
return 0;
}
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