osmo-ccid-firmware/ccid_host/cuart_test.c

107 lines
2.3 KiB
C

/* Card UART (cuart) teset program
* - this tests only the CUART layer, without any FSM on top
*
* (C) 2019-2020 by Harald Welte <laforge@gnumonks.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
*/
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <osmocom/core/utils.h>
#include "cuart.h"
static struct card_uart g_cuart;
static void handle_event(struct card_uart *cuart, enum card_uart_event evt, void *data)
{
printf("Handle Event '%s'\n", get_value_string(card_uart_event_vals, evt));
switch (evt) {
case CUART_E_RX_SINGLE:
printf("\t%02x\n", *(uint8_t *)data);
break;
}
}
static int get_atr(uint8_t *atr, size_t max_len)
{
int rc;
int i = 0;
card_uart_ctrl(&g_cuart, CUART_CTL_RST, true);
usleep(100000);
card_uart_ctrl(&g_cuart, CUART_CTL_RST, false);
sleep(1);
osmo_select_main(true);
for (i = 0; i < max_len; i++) {
rc = card_uart_rx(&g_cuart, &atr[i], 1);
if (rc <= 0)
break;
}
return i;
}
static void test_apdu(void)
{
const uint8_t select_mf[] = "\xa0\xa4\x04\x00\x02\x3f\x00";
card_uart_tx(&g_cuart, select_mf, 5, true);
osmo_select_main(true);
sleep(1);
osmo_select_main(true);
/* we should get an RX_SINGLE event here */
}
int main(int argc, char **argv)
{
uint8_t atr[64];
int rc;
if (argc < 2) {
fprintf(stderr, "You must specify the UART tty device as argument\n");
exit(2);
}
printf("Opening UART device %s\n", argv[1]);
g_cuart.handle_event = &handle_event;
rc = card_uart_open(&g_cuart, "tty", argv[1]);
if (rc < 0) {
perror("opening UART");
exit(1);
}
rc = get_atr(atr, sizeof(atr));
if (rc < 0) {
perror("getting ATR");
exit(1);
}
printf("ATR: %s\n", osmo_hexdump(atr, rc));
test_apdu();
exit(0);
}