| /* 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); |
| } |