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card_emu_test: Add test for card-TX (reader-RX) APDU

This commit is contained in:
Harald Welte 2016-02-24 22:19:03 +01:00
parent f16b618755
commit eef6c2a46c
1 changed files with 71 additions and 31 deletions
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102
firmware/test/card_emu_tests.c
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@ -112,7 +112,7 @@ static void io_start_card(struct card_handle *ch)
verify_atr(ch);
}
static void send_bytes(struct card_handle *ch, const uint8_t *bytes, unsigned int len)
static void reader_send_bytes(struct card_handle *ch, const uint8_t *bytes, unsigned int len)
{
unsigned int i;
for (i = 0; i < len; i++) {
@ -145,16 +145,16 @@ static void dump_rctx(struct req_ctx *rctx)
}
/* emulate a TPDU header being sent by the reader/phone */
static void send_tpdu_hdr(struct card_handle *ch, const uint8_t *tpdu_hdr)
static void rdr_send_tpdu_hdr(struct card_handle *ch, const uint8_t *tpdu_hdr)
{
struct req_ctx *rctx;
/* we don't want a receive context to become available during
* the first four bytes */
send_bytes(ch, tpdu_hdr, 4);
reader_send_bytes(ch, tpdu_hdr, 4);
assert(!req_ctx_find_get(0, RCTX_S_USB_TX_PENDING, RCTX_S_USB_TX_BUSY));
send_bytes(ch, tpdu_hdr+4, 1);
reader_send_bytes(ch, tpdu_hdr+4, 1);
/* but then after the final byte of the TPDU header, we want a
* receive context to be available for USB transmission */
rctx = req_ctx_find_get(0, RCTX_S_USB_TX_PENDING, RCTX_S_USB_TX_BUSY);
@ -166,7 +166,7 @@ static void send_tpdu_hdr(struct card_handle *ch, const uint8_t *tpdu_hdr)
}
/* emulate a CEMU_USB_MSGT_DT_TX_DATA received from USB */
static void host_to_device_data(const uint8_t *data, uint16_t len, int continue_rx)
static void host_to_device_data(const uint8_t *data, uint16_t len, unsigned int flags)
{
struct req_ctx *rctx;
struct cardemu_usb_msg_tx_data *rd;
@ -177,13 +177,9 @@ static void host_to_device_data(const uint8_t *data, uint16_t len, int continue_
/* initialize the header */
rd = (struct cardemu_usb_msg_rx_data *) rctx->data;
rctx->tot_len = sizeof(*rd);
rctx->tot_len = sizeof(*rd) + len;
cardemu_hdr_set(&rd->hdr, CEMU_USB_MSGT_DT_TX_DATA);
rd->flags = CEMU_DATA_F_FINAL;
if (continue_rx)
rd->flags |= CEMU_DATA_F_PB_AND_RX;
else
rd->flags |= CEMU_DATA_F_PB_AND_TX;
rd->flags = flags;
/* copy data and set length */
rd->hdr.data_len = len;
memcpy(rd->data, data, len);
@ -192,7 +188,8 @@ static void host_to_device_data(const uint8_t *data, uint16_t len, int continue_
req_ctx_set_state(rctx, RCTX_S_UART_TX_PENDING);
}
static int print_tx_chars(struct card_handle *ch)
/* card-transmit any pending characters */
static int card_tx_print_chars(struct card_handle *ch)
{
uint8_t byte;
int count = 0;
@ -206,8 +203,13 @@ static int print_tx_chars(struct card_handle *ch)
const uint8_t tpdu_hdr_sel_mf[] = { 0xA0, 0xA4, 0x00, 0x00, 0x00 };
const uint8_t tpdu_pb_sw[] = { 0x90, 0x00 };
const uint8_t tpdu_hdr_upd_bin[] = { 0xA0, 0xB2, 0x00, 0x00, 0x0A };
const uint8_t tpdu_body_upd_bin[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 };
/* READ RECORD (offset 0, 10 bytes) */
const uint8_t tpdu_hdr_read_rec[] = { 0xA0, 0xB2, 0x00, 0x00, 0x0A };
const uint8_t tpdu_body_read_rec[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09 };
/* WRITE RECORD */
const uint8_t tpdu_hdr_write_rec[] = { 0xA0, 0xD2, 0x00, 0x00, 0x07 };
const uint8_t tpdu_body_write_rec[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 };
int main(int argc, char **argv)
{
@ -222,17 +224,19 @@ int main(int argc, char **argv)
/* start up the card (VCC/RST, ATR) */
io_start_card(ch);
assert(!print_tx_chars(ch));
assert(!card_tx_print_chars(ch));
for (i = 0; i < 2; i++) {
printf("\n==> transmitting APDU (SW 90 00 #%u)\n", i);
/* emulate the reader sending a TPDU header */
send_tpdu_hdr(ch, tpdu_hdr_sel_mf);
assert(!print_tx_chars(ch));
/* card emulator sends a response via USB */
host_to_device_data(tpdu_pb_sw, sizeof(tpdu_pb_sw), 0);
/* obtain any pending tx chars */
assert(print_tx_chars(ch) == sizeof(tpdu_pb_sw));
rdr_send_tpdu_hdr(ch, tpdu_hdr_sel_mf);
/* we shouldn't have any pending card-TX yet */
assert(!card_tx_print_chars(ch));
/* card emulator PC sends a response via USB */
host_to_device_data(tpdu_pb_sw, sizeof(tpdu_pb_sw),
CEMU_DATA_F_FINAL | CEMU_DATA_F_PB_AND_TX);
/* card emulator transmits chars just received via PC */
assert(card_tx_print_chars(ch) == sizeof(tpdu_pb_sw));
/* simulate some clock stop */
card_emu_io_statechg(ch, CARD_IO_CLK, 0);
@ -240,17 +244,19 @@ int main(int argc, char **argv)
}
for (i = 0; i < 2; i++) {
printf("\n==> transmitting APDU (PB + RX #%u)\n", i);
printf("\n==> transmitting APDU (PB + card-RX #%u)\n", i);
/* emulate the reader sending a TPDU header */
send_tpdu_hdr(ch, tpdu_hdr_upd_bin);
assert(!print_tx_chars(ch));
/* card emulator sends a response via USB */
host_to_device_data(tpdu_hdr_upd_bin+1, 1, 1);
/* obtain any pending tx chars */
assert(print_tx_chars(ch) == 1);
rdr_send_tpdu_hdr(ch, tpdu_hdr_read_rec);
/* we shouldn't have any pending card-TX yet */
assert(!card_tx_print_chars(ch));
/* card emulator PC sends a singly byte PB response via USB */
host_to_device_data(tpdu_hdr_read_rec+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);
/* emulate more characters from reader to card */
send_bytes(ch, tpdu_body_upd_bin, sizeof(tpdu_body_upd_bin));
reader_send_bytes(ch, tpdu_body_read_rec, sizeof(tpdu_body_read_rec));
/* check if we have received them on the USB side */
rctx = req_ctx_find_get(0, RCTX_S_USB_TX_PENDING, RCTX_S_USB_TX_BUSY);
@ -262,9 +268,43 @@ int main(int argc, char **argv)
assert(!req_ctx_find_get(0, RCTX_S_USB_TX_PENDING, RCTX_S_USB_TX_BUSY));
/* card emulator sends SW via USB */
host_to_device_data(tpdu_pb_sw, sizeof(tpdu_pb_sw), 0);
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(print_tx_chars(ch) == sizeof(tpdu_pb_sw));
assert(card_tx_print_chars(ch) == sizeof(tpdu_pb_sw));
/* simulate some clock stop */
card_emu_io_statechg(ch, CARD_IO_CLK, 0);
card_emu_io_statechg(ch, CARD_IO_CLK, 1);
}
for (i = 0; i < 2; i++) {
printf("\n==> transmitting APDU (PB + card-TX #%u)\n", i);
/* emulate the reader sending a TPDU header */
rdr_send_tpdu_hdr(ch, tpdu_hdr_write_rec);
assert(!card_tx_print_chars(ch));
/* card emulator PC sends a response PB via USB */
host_to_device_data(tpdu_hdr_write_rec+1, 1,
CEMU_DATA_F_PB_AND_TX);
/* card actually sends that PB */
assert(card_tx_print_chars(ch) == 1);
/* emulate more characters from card to reader */
host_to_device_data(tpdu_body_write_rec, sizeof(tpdu_body_write_rec),
0);
/* obtain those bytes as they arrvive on the card */
assert(card_tx_print_chars(ch) == sizeof(tpdu_body_write_rec));
/* 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));
/* card emulator sends SW via USB */
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));
/* simulate some clock stop */
card_emu_io_statechg(ch, CARD_IO_CLK, 0);