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/***************************************************************************
begin : Mon Mar 01 2004
copyright : (C) 2021 by Martin Preuss
email : martin@libchipcard.de
***************************************************************************
* Please see toplevel file COPYING for license details *
***************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <libchipcard/chipcard.h>
#include <libchipcard/base/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, int res, const char *failedCommand)
{
LC_Card_PrintResult(card, failedCommand, res);
}
int main(int argc, char **argv)
{
LC_CLIENT *cl;
LC_CARD *card=0;
int res;
cl=LC_Client_new("tutorial1c", "1.0");
res=LC_Client_Init(cl);
if (res<0) {
showError(card, res, "Init");
LC_Client_free(cl);
return 1;
}
fprintf(stderr, "INFO: Connecting to server.\n");
res=LC_Client_Start(cl);
if (res<0) {
showError(card, res, "StartWait");
LC_Client_free(cl);
return 2;
}
fprintf(stderr, "Please insert a chip card.\n");
res=LC_Client_GetNextCard(cl, &card, 30);
if (res<0) {
showError(card, res, "GetNextCard");
LC_Client_Stop(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_Stop(cl);
if (res<0) {
showError(card, res, "Stop");
LC_Client_ReleaseCard(cl, card);
LC_Card_free(card);
LC_Client_free(cl);
return 2;
}
/* open card */
fprintf(stderr, "INFO: Opening card.\n");
res=LC_Card_Open(card);
if (res<0) {
showError(card, res, "CardOpen");
LC_Client_ReleaseCard(cl, card);
LC_Card_free(card);
LC_Client_free(cl);
return 2;
}
/* show card information */
fprintf(stderr, "INFO: I got this card:\n");
LC_Card_Dump(card, 0);
/* close card */
fprintf(stderr, "INFO: Closing card.\n");
res=LC_Card_Close(card);
if (res<0) {
showError(card, res, "CardClose");
LC_Client_ReleaseCard(cl, card);
LC_Card_free(card);
LC_Client_free(cl);
return 2;
}
fprintf(stderr, "INFO: Card closed.\n");
/* release card */
res=LC_Client_ReleaseCard(cl, card);
if (res<0) {
showError(card, res, "CardRelease");
LC_Card_free(card);
LC_Client_free(cl);
return 2;
}
/* cleanup */
LC_Card_free(card);
LC_Client_free(cl);
return 0;
}
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