spicetools/external/scard/scard.h

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2024-08-28 15:10:34 +00:00
/**
* MIT-License
* Copyright (c) 2018 by nolm <nolan@nolm.name>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Modified version.
*/
#pragma once
#include <cstdint>
// cardinfo_t is a description of a card that was presented to a reader
typedef struct card_info {
int card_type = 0;
uint8_t uid[8];
} card_info_t;
/*
* cardinfo_callback_t is a pointer to a function that will be called on card present.
*
* The provided cardinfo_t pointer will become invalid after the callback returns, so
* any data contained within should be copied into more permanent storage if necessary.
*/
typedef void (*cardinfo_callback_t)(uint8_t slot_no, card_info_t *cardinfo);
// winscard_config_t describes the parameters used to configure the smart card listener.
typedef struct {
// A pointer to a null-terminated string that specifies the name of the reader used for
// the first slot, according to SCardListReaders.
//
// If this is NULL or a zero-length string, the first reader found will be used.
const char *slot0_reader_name;
// A pointer to a null-terminated string that specifies the name of the reader used for
// the second slot, according to SCardListReaders. If only this slot is set, or the reader
// specified for the first slot is not found, this reader will become the second slot.
//
// If this is NULL or a zero-length string, the second reader found will be used, if any.
const char *slot1_reader_name;
// A pointer to a function that will be called when a card state change event has occurred.
//
// If a card has been presented, cardinfo_t.card_type will be set accordingly. If a card has
// been removed, then card_type will be 0, and the value of uid is undefined.
cardinfo_callback_t cardinfo_callback;
// Flips the order of the card insertions for P1/P2
bool flip_order;
// For toggling the order using NUMLOCK
bool toggle_order;
} winscard_config_t;
extern winscard_config_t WINSCARD_CONFIG;
/* scard_threadmain is the entry point for smart card listener thread. */
int scard_threadmain();
/* start threadmain in a separate thread */
void scard_threadstart();
/* scard_fini signals to terminate and clean up smart card listener routine. */
void scard_fini();