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the BT serial port setup on Windows didnt work properly. By adding the baud rate in the new termios settings the issue seem to be fixed. Also added some extra flushing calls and some more configuration settings for chars.

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iceman1001 2024-06-11 14:32:35 +02:00
commit 3e1bd8f50a
3 changed files with 46 additions and 6 deletions
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2
CHANGELOG.md
View file

@ -3,6 +3,8 @@ All notable changes to this project will be documented in this file.
This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log...
## [unreleased][unreleased]
- Fixed BT serial comms (@iceman1001)
- Changed `intertic.py` - updated and code clean up (@gentilkiwi)
- Added `pm3_tears_for_fears.py` - a ISO14443b tear off script by Pierre Granier
- Added new t55xx password (002BCFCF) sniffed from cheap cloner (@davidbeauchamp)

23
client/src/comms.c
View file

@ -161,8 +161,9 @@ static void SendCommandNG_internal(uint16_t cmd, uint8_t *data, size_t len, bool
txBufferNG.pre.ng = ng;
txBufferNG.pre.length = len;
txBufferNG.pre.cmd = cmd;
if (len > 0 && data)
if (len > 0 && data) {
memcpy(&txBufferNG.data, data, len);
}
if ((g_conn.send_via_fpc_usart && g_conn.send_with_crc_on_fpc) || ((!g_conn.send_via_fpc_usart) && g_conn.send_with_crc_on_usb)) {
uint8_t first = 0, second = 0;
@ -474,12 +475,15 @@ __attribute__((force_align_arg_pointer))
res = uart_receive(sp, (uint8_t *)&rx_raw.pre, sizeof(PacketResponseNGPreamble), &rxlen);
if ((res == PM3_SUCCESS) && (rxlen == sizeof(PacketResponseNGPreamble))) {
rx.magic = rx_raw.pre.magic;
uint16_t length = rx_raw.pre.length;
rx.ng = rx_raw.pre.ng;
rx.status = rx_raw.pre.status;
rx.cmd = rx_raw.pre.cmd;
if (rx.magic == RESPONSENG_PREAMBLE_MAGIC) { // New style NG reply
if (length > PM3_CMD_DATA_SIZE) {
PrintAndLogEx(WARNING, "Received packet frame with incompatible length: 0x%04x", length);
error = true;
@ -488,30 +492,38 @@ __attribute__((force_align_arg_pointer))
if ((!error) && (length > 0)) { // Get the variable length payload
res = uart_receive(sp, (uint8_t *)&rx_raw.data, length, &rxlen);
if ((res != PM3_SUCCESS) || (rxlen != length)) {
PrintAndLogEx(WARNING, "Received packet frame with variable part too short? %d/%d", rxlen, length);
error = true;
} else {
if (rx.ng) { // Received a valid NG frame
memcpy(&rx.data, &rx_raw.data, length);
rx.length = length;
if ((rx.cmd == g_conn.last_command) && (rx.status == PM3_SUCCESS)) {
ACK_received = true;
}
} else {
uint64_t arg[3];
if (length < sizeof(arg)) {
PrintAndLogEx(WARNING, "Received MIX packet frame with incompatible length: 0x%04x", length);
error = true;
}
if (!error) { // Received a valid MIX frame
memcpy(arg, &rx_raw.data, sizeof(arg));
rx.oldarg[0] = arg[0];
rx.oldarg[1] = arg[1];
rx.oldarg[2] = arg[2];
memcpy(&rx.data, ((uint8_t *)&rx_raw.data) + sizeof(arg), length - sizeof(arg));
rx.length = length - sizeof(arg);
if (rx.cmd == CMD_ACK) {
ACK_received = true;
}
@ -519,12 +531,14 @@ __attribute__((force_align_arg_pointer))
}
}
} else if ((!error) && (length == 0)) { // we received an empty frame
if (rx.ng)
if (rx.ng) {
rx.length = 0; // set received length to 0
else { // old frames can't be empty
} else { // old frames can't be empty
PrintAndLogEx(WARNING, "Received empty MIX packet frame (length: 0x00)");
error = true;
}
}
if (!error) { // Get the postamble
@ -537,9 +551,12 @@ __attribute__((force_align_arg_pointer))
if (!error) { // Check CRC, accept MAGIC as placeholder
rx.crc = rx_raw.foopost.crc;
if (rx.crc != RESPONSENG_POSTAMBLE_MAGIC) {
uint8_t first, second;
compute_crc(CRC_14443_A, (uint8_t *)&rx_raw, sizeof(PacketResponseNGPreamble) + length, &first, &second);
if ((first << 8) + second != rx.crc) {
PrintAndLogEx(WARNING, "Received packet frame with invalid CRC %02X%02X <> %04X", first, second, rx.crc);
error = true;

27
client/src/uart/uart_posix.c
View file

@ -387,11 +387,15 @@ serial_port uart_open(const char *pcPortName, uint32_t speed, bool slient) {
return INVALID_SERIAL_PORT;
}
// Flush all lingering data that may exist
tcflush(sp->fd, TCIOFLUSH);
// Duplicate the (old) terminal info struct
sp->tiNew = sp->tiOld;
// Configure the serial port
sp->tiNew.c_cflag = CS8 | CLOCAL | CREAD;
// Configure the serial port.
// fix: default to 115200 here seems to fix the white dongle issue. Will need to check proxbuilds later.
sp->tiNew.c_cflag = B115200 | CS8 | CLOCAL | CREAD;
sp->tiNew.c_iflag = IGNPAR;
sp->tiNew.c_oflag = 0;
sp->tiNew.c_lflag = 0;
@ -401,6 +405,18 @@ serial_port uart_open(const char *pcPortName, uint32_t speed, bool slient) {
// Block until a timer expires (n * 100 mSec.)
sp->tiNew.c_cc[VTIME] = 0;
// more configurations
sp->tiNew.c_cc[VINTR] = 0; /* Ctrl-c */
sp->tiNew.c_cc[VQUIT] = 0; /* Ctrl-\ */
sp->tiNew.c_cc[VERASE] = 0; /* del */
sp->tiNew.c_cc[VKILL] = 0; /* @ */
sp->tiNew.c_cc[VEOF] = 4; /* Ctrl-d */
sp->tiNew.c_cc[VSWTC] = 0; /* '\0' */
sp->tiNew.c_cc[VSTART] = 0; /* Ctrl-q */
sp->tiNew.c_cc[VSTOP] = 0; /* Ctrl-s */
sp->tiNew.c_cc[VSUSP] = 0; /* Ctrl-z */
sp->tiNew.c_cc[VEOL] = 0; /* '\0' */
// Try to set the new terminal info struct
if (tcsetattr(sp->fd, TCSANOW, &sp->tiNew) == -1) {
PrintAndLogEx(ERR, "error: UART set terminal info attribute");
@ -695,9 +711,14 @@ bool uart_set_speed(serial_port sp, const uint32_t uiPortSpeed) {
// Set port speed (Input and Output)
cfsetispeed(&ti, stPortSpeed);
cfsetospeed(&ti, stPortSpeed);
// flush
tcflush(spu->fd, TCIOFLUSH);
bool result = tcsetattr(spu->fd, TCSANOW, &ti) != -1;
if (result)
if (result) {
g_conn.uart_speed = uiPortSpeed;
}
return result;
}