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fix bit flag comparing to prefered style

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This commit is contained in:
iceman1001 2024-08-25 15:08:04 +02:00
commit 4ddb417107
2 changed files with 68 additions and 35 deletions
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83
armsrc/iso14443a.c
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@ -1547,8 +1547,9 @@ void SimulateIso14443aTag(uint8_t tagType, uint16_t flags, uint8_t *data, uint8_
} else if (receivedCmd[0] == ISO14443A_CMD_REQA && len == 1) { // Received a REQUEST, but in HALTED, skip
odd_reply = !odd_reply;
if (odd_reply)
if (odd_reply) {
p_response = &responses[RESP_INDEX_ATQA];
}
} else if (receivedCmd[0] == ISO14443A_CMD_WUPA && len == 1) { // Received a WAKEUP
p_response = &responses[RESP_INDEX_ATQA];
} else if (receivedCmd[1] == 0x20 && receivedCmd[0] == ISO14443A_CMD_ANTICOLL_OR_SELECT && len == 2) { // Received request for UID (cascade 1)
@ -3063,95 +3064,125 @@ void ReaderIso14443a(PacketCommandNG *c) {
uint8_t buf[PM3_CMD_DATA_SIZE_MIX] = {0x00};
if ((param & ISO14A_CONNECT)) {
if ((param & ISO14A_CONNECT) == ISO14A_CONNECT) {
iso14_pcb_blocknum = 0;
clear_trace();
}
set_tracing(true);
if ((param & ISO14A_REQUEST_TRIGGER))
if ((param & ISO14A_REQUEST_TRIGGER) == ISO14A_REQUEST_TRIGGER) {
iso14a_set_trigger(true);
}
if ((param & ISO14A_CONNECT)) {
if ((param & ISO14A_CONNECT) == ISO14A_CONNECT) {
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
// notify client selecting status.
// if failed selecting, turn off antenna and quite.
if (!(param & ISO14A_NO_SELECT)) {
if ((param & ISO14A_NO_SELECT) != ISO14A_NO_SELECT) {
iso14a_card_select_t *card = (iso14a_card_select_t *)buf;
arg0 = iso14443a_select_cardEx(
NULL, card, NULL, true, 0, (param & ISO14A_NO_RATS),
(param & ISO14A_USE_CUSTOM_POLLING) ? (iso14a_polling_parameters_t *)cmd : &WUPA_POLLING_PARAMETERS
NULL,
card,
NULL,
true,
0,
((param & ISO14A_NO_RATS) == ISO14A_NO_RATS),
((param & ISO14A_USE_CUSTOM_POLLING) == ISO14A_USE_CUSTOM_POLLING) ? (iso14a_polling_parameters_t *)cmd : &WUPA_POLLING_PARAMETERS
);
// TODO: Improve by adding a cmd parser pointer and moving it by struct length to allow combining data with polling params
FpgaDisableTracing();
reply_mix(CMD_ACK, arg0, card->uidlen, 0, buf, sizeof(iso14a_card_select_t));
if (arg0 == 0)
if (arg0 == 0) {
goto OUT;
}
}
}
uint32_t save_iso14a_timeout = 0;
if ((param & ISO14A_SET_TIMEOUT)) {
if ((param & ISO14A_SET_TIMEOUT) == ISO14A_SET_TIMEOUT) {
save_iso14a_timeout = iso14a_get_timeout();
iso14a_set_timeout(timeout);
}
if ((param & ISO14A_APDU)) {
if ((param & ISO14A_APDU) == ISO14A_APDU) {
uint8_t res;
arg0 = iso14_apdu(cmd, len, (param & ISO14A_SEND_CHAINING), buf, &res);
arg0 = iso14_apdu(
cmd,
len,
((param & ISO14A_SEND_CHAINING) == ISO14A_SEND_CHAINING),
buf,
&res
);
FpgaDisableTracing();
reply_mix(CMD_ACK, arg0, res, 0, buf, sizeof(buf));
}
if ((param & ISO14A_RAW)) {
if ((param & ISO14A_RAW) == ISO14A_RAW) {
if ((param & ISO14A_APPEND_CRC)) {
if ((param & ISO14A_APPEND_CRC) == ISO14A_APPEND_CRC) {
// Don't append crc on empty bytearray...
if (len > 0) {
if ((param & ISO14A_TOPAZMODE))
if ((param & ISO14A_TOPAZMODE) == ISO14A_TOPAZMODE) {
AddCrc14B(cmd, len);
else
} else {
AddCrc14A(cmd, len);
}
len += 2;
if (lenbits) lenbits += 16;
if (lenbits) {
lenbits += 16;
}
}
}
if (lenbits > 0) { // want to send a specific number of bits (e.g. short commands)
if ((param & ISO14A_TOPAZMODE)) {
// want to send a specific number of bits (e.g. short commands)
if (lenbits > 0) {
if ((param & ISO14A_TOPAZMODE) == ISO14A_TOPAZMODE) {
int bits_to_send = lenbits;
uint16_t i = 0;
ReaderTransmitBitsPar(&cmd[i++], MIN(bits_to_send, 7), NULL, NULL); // first byte is always short (7bits) and no parity
bits_to_send -= 7;
while (bits_to_send > 0) {
ReaderTransmitBitsPar(&cmd[i++], MIN(bits_to_send, 8), NULL, NULL); // following bytes are 8 bit and no parity
bits_to_send -= 8;
}
} else {
GetParity(cmd, lenbits / 8, parity_array);
ReaderTransmitBitsPar(cmd, lenbits, parity_array, NULL); // bytes are 8 bit with odd parity
}
} else { // want to send complete bytes only
if ((param & ISO14A_TOPAZMODE)) {
if ((param & ISO14A_TOPAZMODE) == ISO14A_TOPAZMODE) {
size_t i = 0;
ReaderTransmitBitsPar(&cmd[i++], 7, NULL, NULL); // first byte: 7 bits, no paritiy
while (i < len) {
ReaderTransmitBitsPar(&cmd[i++], 8, NULL, NULL); // following bytes: 8 bits, no paritiy
}
} else {
ReaderTransmit(cmd, len, NULL); // 8 bits, odd parity
}
}
if ((param & ISO14A_TOPAZMODE)) {
if ((param & ISO14A_TOPAZMODE) == ISO14A_TOPAZMODE) {
if (cmd[0] == TOPAZ_WRITE_E8 || cmd[0] == TOPAZ_WRITE_NE8) {
if (tearoff_hook() == PM3_ETEAROFF) { // tearoff occurred
// tearoff occurred
if (tearoff_hook() == PM3_ETEAROFF) {
FpgaDisableTracing();
reply_mix(CMD_ACK, 0, 0, 0, NULL, 0);
} else {
@ -3159,6 +3190,7 @@ void ReaderIso14443a(PacketCommandNG *c) {
FpgaDisableTracing();
reply_mix(CMD_ACK, arg0, 0, 0, buf, sizeof(buf));
}
} else {
arg0 = ReaderReceive(buf, parity_array);
FpgaDisableTracing();
@ -3167,7 +3199,8 @@ void ReaderIso14443a(PacketCommandNG *c) {
} else {
if (tearoff_hook() == PM3_ETEAROFF) { // tearoff occurred
// tearoff occurred
if (tearoff_hook() == PM3_ETEAROFF) {
FpgaDisableTracing();
reply_mix(CMD_ACK, 0, 0, 0, NULL, 0);
} else {
@ -3178,14 +3211,14 @@ void ReaderIso14443a(PacketCommandNG *c) {
}
}
if ((param & ISO14A_REQUEST_TRIGGER))
if ((param & ISO14A_REQUEST_TRIGGER) == ISO14A_REQUEST_TRIGGER)
iso14a_set_trigger(false);
if ((param & ISO14A_SET_TIMEOUT)) {
if ((param & ISO14A_SET_TIMEOUT) == ISO14A_SET_TIMEOUT) {
iso14a_set_timeout(save_iso14a_timeout);
}
if ((param & ISO14A_NO_DISCONNECT)) {
if ((param & ISO14A_NO_DISCONNECT) == ISO14A_NO_DISCONNECT) {
return;
}