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This commit is contained in:
Philippe Teuwen 2019-03-10 00:00:59 +01:00
commit 0373696662
483 changed files with 56514 additions and 52451 deletions
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65
armsrc/mifaresniff.c
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@ -12,8 +12,8 @@
//static int sniffState = SNF_INIT;
static uint8_t sniffUIDType = 0;
static uint8_t sniffUID[10] = {0,0,0,0,0,0,0,0,0,0};
static uint8_t sniffATQA[2] = {0,0};
static uint8_t sniffUID[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static uint8_t sniffATQA[2] = {0, 0};
static uint8_t sniffSAK = 0;
static uint8_t sniffBuf[17];
static uint32_t timerData = 0;
@ -24,7 +24,8 @@ static uint32_t timerData = 0;
// if no activity for 2sec, it sends the collected data to the client.
//-----------------------------------------------------------------------------
// "hf mf sniff"
void RAMFUNC SniffMifare(uint8_t param) {
void RAMFUNC SniffMifare(uint8_t param)
{
// param:
// bit 0 - trigger from first card answer
// bit 1 - trigger from first reader 7-bit request
@ -35,7 +36,8 @@ void RAMFUNC SniffMifare(uint8_t param) {
// Allocate memory from BigBuf for some buffers
// free all previous allocations first
BigBuf_free(); BigBuf_Clear_ext(false);
BigBuf_free();
BigBuf_Clear_ext(false);
clear_trace();
set_tracing(true);
@ -71,13 +73,13 @@ void RAMFUNC SniffMifare(uint8_t param) {
// Setup and start DMA.
// set transfer address and number of bytes. Start transfer.
if ( !FpgaSetupSscDma(dmaBuf, DMA_BUFFER_SIZE) ){
if (!FpgaSetupSscDma(dmaBuf, DMA_BUFFER_SIZE)) {
if (MF_DBGLEVEL > 1) Dbprintf("[!] FpgaSetupSscDma failed. Exiting");
return;
}
tUart* uart = GetUart();
tDemod* demod = GetDemod();
tUart *uart = GetUart();
tDemod *demod = GetDemod();
MfSniffInit();
@ -86,23 +88,23 @@ void RAMFUNC SniffMifare(uint8_t param) {
while (!BUTTON_PRESS()) {
WDT_HIT();
LED_A_ON();
/*
if ((sniffCounter & 0x0000FFFF) == 0) { // from time to time
// check if a transaction is completed (timeout after 2000ms).
// if yes, stop the DMA transfer and send what we have so far to the client
if (BigBuf_get_traceLen()) {
MfSniffSend();
// Reset everything - we missed some sniffed data anyway while the DMA was stopped
sniffCounter = 0;
dmaBuf = BigBuf_malloc(DMA_BUFFER_SIZE);
data = dmaBuf;
maxDataLen = 0;
ReaderIsActive = false;
TagIsActive = false;
FpgaSetupSscDma((uint8_t *)dmaBuf, DMA_BUFFER_SIZE); // set transfer address and number of bytes. Start transfer.
}
}
*/
/*
if ((sniffCounter & 0x0000FFFF) == 0) { // from time to time
// check if a transaction is completed (timeout after 2000ms).
// if yes, stop the DMA transfer and send what we have so far to the client
if (BigBuf_get_traceLen()) {
MfSniffSend();
// Reset everything - we missed some sniffed data anyway while the DMA was stopped
sniffCounter = 0;
dmaBuf = BigBuf_malloc(DMA_BUFFER_SIZE);
data = dmaBuf;
maxDataLen = 0;
ReaderIsActive = false;
TagIsActive = false;
FpgaSetupSscDma((uint8_t *)dmaBuf, DMA_BUFFER_SIZE); // set transfer address and number of bytes. Start transfer.
}
}
*/
// number of bytes we have processed so far
int register readBufDataP = data - dmaBuf;
@ -143,7 +145,7 @@ void RAMFUNC SniffMifare(uint8_t param) {
// no need to try decoding tag data if the reader is sending
if (!TagIsActive) {
uint8_t readerbyte = (previous_data & 0xF0) | (*data >> 4);
if (MillerDecoding(readerbyte, (sniffCounter-1)*4)) {
if (MillerDecoding(readerbyte, (sniffCounter - 1) * 4)) {
LogTrace(receivedCmd, uart->len, 0, 0, NULL, true);
DemodReset();
UartReset();
@ -154,7 +156,7 @@ void RAMFUNC SniffMifare(uint8_t param) {
// no need to try decoding tag data if the reader is sending
if (!ReaderIsActive) {
uint8_t tagbyte = (previous_data << 4) | (*data & 0x0F);
if (ManchesterDecoding(tagbyte, 0, (sniffCounter-1)*4)) {
if (ManchesterDecoding(tagbyte, 0, (sniffCounter - 1) * 4)) {
LogTrace(receivedResp, demod->len, 0, 0, NULL, false);
DemodReset();
UartReset();
@ -175,7 +177,8 @@ void RAMFUNC SniffMifare(uint8_t param) {
switch_off();
}
void MfSniffInit(void){
void MfSniffInit(void)
{
memset(sniffUID, 0x00, sizeof(sniffUID));
memset(sniffATQA, 0x00, sizeof(sniffATQA));
memset(sniffBuf, 0x00, sizeof(sniffBuf));
@ -184,9 +187,10 @@ void MfSniffInit(void){
timerData = 0;
}
void MfSniffEnd(void){
void MfSniffEnd(void)
{
LED_B_ON();
cmd_send(CMD_ACK,0,0,0,0,0);
cmd_send(CMD_ACK, 0, 0, 0, 0, 0);
LED_B_OFF();
}
@ -304,7 +308,8 @@ bool RAMFUNC MfSniffLogic(const uint8_t *data, uint16_t len, uint8_t *parity, ui
}
*/
void RAMFUNC MfSniffSend() {
void RAMFUNC MfSniffSend()
{
uint16_t tracelen = BigBuf_get_traceLen();
uint16_t chunksize = 0;
int packlen = tracelen; // total number of bytes to send