diff options
author | Harald Welte <laforge@gnumonks.org> | 2016-02-25 00:26:17 +0100 |
---|---|---|
committer | Harald Welte <laforge@gnumonks.org> | 2016-02-25 00:26:17 +0100 |
commit | 86d047b8f4751dc5bc26560a27cd22e8e5a59ca1 (patch) | |
tree | 0d98cfbf532f562f916db9908784ae7169e1edf5 /firmware/test | |
parent | 0ef96d573574505067670e5e17f06954c9faaf90 (diff) |
card_emu_test: Verify content of emulator->reader bytes
Diffstat (limited to 'firmware/test')
-rw-r--r-- | firmware/test/card_emu_tests.c | 58 |
1 files changed, 32 insertions, 26 deletions
diff --git a/firmware/test/card_emu_tests.c b/firmware/test/card_emu_tests.c index 03dcf60..235f511 100644 --- a/firmware/test/card_emu_tests.c +++ b/firmware/test/card_emu_tests.c @@ -17,12 +17,25 @@ int card_emu_uart_update_fidi(uint8_t uart_chan, unsigned int fidi) return 0; } +/* a buffer in which we store those bytes send by the UART towards the card + * reader, so we can verify in test cases what was actually written */ +static uint8_t tx_debug_buf[1024]; +static unsigned int tx_debug_buf_idx; + int card_emu_uart_tx(uint8_t uart_chan, uint8_t byte) { printf("UART_TX(%02x)\n", byte); + tx_debug_buf[tx_debug_buf_idx++] = byte; return 1; } +static void reader_check_and_clear(const uint8_t *data, unsigned int len) +{ + assert(len == tx_debug_buf_idx); + assert(!memcmp(tx_debug_buf, data, len)); + tx_debug_buf_idx = 0; +} + void card_emu_uart_enable(uint8_t uart_chan, uint8_t rxtx) { char *rts; @@ -69,23 +82,10 @@ void tc_etu_disable(uint8_t chan_nr) printf("tc_etu_disable(tc_chan=%u)\n", chan_nr); } - -#if 0 -/* process a single byte received from the reader */ -void card_emu_process_rx_byte(struct card_handle *ch, uint8_t byte); - -/* hardware driver informs us that a card I/O signal has changed */ -void card_emu_io_statechg(struct card_handle *ch, enum card_io io, int active); - -/* User sets a new ATR to be returned during next card reset */ -int card_emu_set_atr(struct card_handle *ch, const uint8_t *atr, uint8_t len); -#endif - +const uint8_t atr[] = { 0x3b, 0x02, 0x14, 0x50 }; static int verify_atr(struct card_handle *ch) { - uint8_t atr[4]; - uint8_t byte; unsigned int i; printf("receiving + verifying ATR:\n"); @@ -93,12 +93,15 @@ static int verify_atr(struct card_handle *ch) assert(card_emu_tx_byte(ch) == 1); } assert(card_emu_tx_byte(ch) == 0); + reader_check_and_clear(atr, sizeof(atr)); return 1; } static void io_start_card(struct card_handle *ch) { + card_emu_set_atr(ch, atr, sizeof(atr)); + /* bring the card up from the dead */ card_emu_io_statechg(ch, CARD_IO_VCC, 1); assert(card_emu_tx_byte(ch) == 0); @@ -144,7 +147,7 @@ static void dump_rctx(struct req_ctx *rctx) } } -static void get_and_verify_rctx(int state, const char *data, unsigned int len) +static void get_and_verify_rctx(int state, const uint8_t *data, unsigned int len) { struct req_ctx *rctx; struct cardemu_usb_msg_tx_data *td; @@ -202,7 +205,7 @@ static void host_to_device_data(const uint8_t *data, uint16_t len, unsigned int assert(rctx); /* initialize the header */ - rd = (struct cardemu_usb_msg_rx_data *) rctx->data; + rd = (struct cardemu_usb_msg_tx_data *) rctx->data; rctx->tot_len = sizeof(*rd) + len; cardemu_hdr_set(&rd->hdr, CEMU_USB_MSGT_DT_TX_DATA); rd->flags = flags; @@ -215,14 +218,17 @@ static void host_to_device_data(const uint8_t *data, uint16_t len, unsigned int } /* card-transmit any pending characters */ -static int card_tx_print_chars(struct card_handle *ch) +static int card_tx_verify_chars(struct card_handle *ch, const uint8_t *data, unsigned int data_len) { - uint8_t byte; int count = 0; while (card_emu_tx_byte(ch)) { count++; } + + assert(count == data_len); + reader_check_and_clear(data, data_len); + return count; } @@ -237,12 +243,12 @@ test_tpdu_reader2card(struct card_handle *ch, const uint8_t *hdr, const uint8_t /* emulate the reader sending a TPDU header */ rdr_send_tpdu_hdr(ch, hdr); /* we shouldn't have any pending card-TX yet */ - assert(!card_tx_print_chars(ch)); + card_tx_verify_chars(ch, NULL, 0); /* card emulator PC sends a singly byte PB response via USB */ host_to_device_data(hdr+1, 1, CEMU_DATA_F_FINAL | CEMU_DATA_F_PB_AND_RX); /* card actually sends that single PB */ - assert(card_tx_print_chars(ch) == 1); + card_tx_verify_chars(ch, hdr+1, 1); /* emulate more characters from reader to card */ reader_send_bytes(ch, body, body_len); @@ -257,7 +263,7 @@ test_tpdu_reader2card(struct card_handle *ch, const uint8_t *hdr, const uint8_t host_to_device_data(tpdu_pb_sw, sizeof(tpdu_pb_sw), CEMU_DATA_F_FINAL | CEMU_DATA_F_PB_AND_TX); /* obtain any pending tx chars */ - assert(card_tx_print_chars(ch) == sizeof(tpdu_pb_sw)); + card_tx_verify_chars(ch, tpdu_pb_sw, sizeof(tpdu_pb_sw)); /* simulate some clock stop */ card_emu_io_statechg(ch, CARD_IO_CLK, 0); @@ -271,18 +277,18 @@ test_tpdu_card2reader(struct card_handle *ch, const uint8_t *hdr, const uint8_t /* emulate the reader sending a TPDU header */ rdr_send_tpdu_hdr(ch, hdr); - assert(!card_tx_print_chars(ch)); + card_tx_verify_chars(ch, NULL, 0); /* card emulator PC sends a response PB via USB */ host_to_device_data(hdr+1, 1, CEMU_DATA_F_PB_AND_TX); /* card actually sends that PB */ - assert(card_tx_print_chars(ch) == 1); + card_tx_verify_chars(ch, hdr+1, 1); /* emulate more characters from card to reader */ host_to_device_data(body, body_len, 0); /* obtain those bytes as they arrvive on the card */ - assert(card_tx_print_chars(ch) == body_len); + card_tx_verify_chars(ch, body, body_len); /* ensure there is no extra data received on usb */ assert(!req_ctx_find_get(0, RCTX_S_USB_TX_PENDING, RCTX_S_USB_TX_BUSY)); @@ -291,7 +297,7 @@ test_tpdu_card2reader(struct card_handle *ch, const uint8_t *hdr, const uint8_t host_to_device_data(tpdu_pb_sw, sizeof(tpdu_pb_sw), CEMU_DATA_F_FINAL); /* obtain any pending tx chars */ - assert(card_tx_print_chars(ch) == sizeof(tpdu_pb_sw)); + card_tx_verify_chars(ch, tpdu_pb_sw, sizeof(tpdu_pb_sw)); /* simulate some clock stop */ card_emu_io_statechg(ch, CARD_IO_CLK, 0); @@ -319,7 +325,7 @@ int main(int argc, char **argv) /* start up the card (VCC/RST, ATR) */ io_start_card(ch); - assert(!card_tx_print_chars(ch)); + card_tx_verify_chars(ch, NULL, 0); for (i = 0; i < 2; i++) { test_tpdu_reader2card(ch, tpdu_hdr_write_rec, tpdu_body_write_rec, sizeof(tpdu_body_write_rec)); |