}
int usage_data_printdemodbuf(){
- PrintAndLog("Usage: data printdemodbuffer x o <offset>");
+ PrintAndLog("Usage: data printdemodbuffer x o <offset> l <length>");
PrintAndLog("Options:");
PrintAndLog(" h This help");
PrintAndLog(" x output in hex (omit for binary output)");
PrintAndLog(" o <offset> enter offset in # of bits");
+ PrintAndLog(" l <length> enter length to print in # of bits or hex characters respectively");
return 0;
}
char hex[512]={0x00};
bool hexMode = false;
bool errors = false;
- uint8_t offset = 0;
+ uint32_t offset = 0; //could be size_t but no param_get16...
+ uint32_t length = 512;
char cmdp = 0;
while(param_getchar(Cmd, cmdp) != 0x00)
{
break;
case 'o':
case 'O':
- offset = param_get8(Cmd, cmdp+1);
+ offset = param_get32ex(Cmd, cmdp+1, 0, 10);
if (!offset) errors = true;
cmdp += 2;
break;
+ case 'l':
+ case 'L':
+ length = param_get32ex(Cmd, cmdp+1, 512, 10);
+ if (!length) errors = true;
+ cmdp += 2;
+ break;
default:
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
}
//Validations
if(errors) return usage_data_printdemodbuf();
-
- int numBits = (DemodBufferLen-offset) & 0x7FC; //make sure we don't exceed our string
+ length = (length > (DemodBufferLen-offset)) ? DemodBufferLen-offset : length;
+ int numBits = (length) & 0x00FFC; //make sure we don't exceed our string
if (hexMode){
char *buf = (char *) (DemodBuffer + offset);
+ numBits = (numBits > sizeof(hex)) ? sizeof(hex) : numBits;
numBits = binarraytohex(hex, buf, numBits);
if (numBits==0) return 0;
PrintAndLog("DemodBuffer: %s",hex);
int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose)
{
- if (!ASKDemod(Cmd, FALSE, FALSE, 1)) return 0;
+ bool st = TRUE;
+ if (!ASKDemod_ext(Cmd, FALSE, FALSE, 1, &st)) return 0;
return AskEm410xDecode(verbose, hi, lo);
}
//verbose will print results and demoding messages
//emSearch will auto search for EM410x format in bitstream
//askType switches decode: ask/raw = 0, ask/manchester = 1
-int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType)
-{
+int ASKDemod_ext(const char *Cmd, bool verbose, bool emSearch, uint8_t askType, bool *stCheck) {
int invert=0;
int clk=0;
int maxErr=100;
char amp = param_getchar(Cmd, 0);
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
sscanf(Cmd, "%i %i %i %i %c", &clk, &invert, &maxErr, &maxLen, &);
- if (!maxLen) maxLen = 512*64;
+ if (!maxLen) maxLen = BIGBUF_SIZE;
if (invert != 0 && invert != 1) {
PrintAndLog("Invalid argument: %s", Cmd);
return 0;
if (g_debugMode) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen);
if (BitLen<255) return 0;
if (maxLen<BitLen && maxLen != 0) BitLen = maxLen;
-
+ int foundclk = 0;
+ bool st = false;
+ if (*stCheck) st = DetectST(BitStream, &BitLen, &foundclk);
+ if (st) {
+ *stCheck = st;
+ clk = (clk == 0) ? foundclk : clk;
+ if (verbose || g_debugMode) PrintAndLog("\nFound Sequence Terminator");
+ }
int errCnt = askdemod(BitStream, &BitLen, &clk, &invert, maxErr, askAmp, askType);
if (errCnt<0 || BitLen<16){ //if fatal error (or -1)
if (g_debugMode) PrintAndLog("DEBUG: no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk);
}
return 1;
}
+int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType) {
+ bool st = false;
+ return ASKDemod_ext(Cmd, verbose, emSearch, askType, &st);
+}
//by marshmellow
//takes 5 arguments - clock, invert, maxErr, maxLen as integers and amplify as char == 'a'
{
char cmdp = param_getchar(Cmd, 0);
if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') {
- PrintAndLog("Usage: data rawdemod am [clock] <invert> [maxError] [maxLen] [amplify]");
+ PrintAndLog("Usage: data rawdemod am <s> [clock] <invert> [maxError] [maxLen] [amplify]");
+ PrintAndLog(" ['s'] optional, check for Sequence Terminator");
PrintAndLog(" [set clock as integer] optional, if not set, autodetect");
PrintAndLog(" <invert>, 1 to invert output");
PrintAndLog(" [set maximum allowed errors], default = 100");
PrintAndLog(" : data rawdemod am 64 1 0 = demod an ask/manchester tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
return 0;
}
+ bool st = TRUE;
+ if (Cmd[0]=='s')
+ return ASKDemod_ext(Cmd++, TRUE, TRUE, 1, &st);
+ else if (Cmd[1] == 's')
+ return ASKDemod_ext(Cmd+=2, TRUE, TRUE, 1, &st);
+ else
return ASKDemod(Cmd, TRUE, TRUE, 1);
}
if ((idx+1) % 5 == 0){
//spacer bit - should be 0
if (DemodBuffer[startIdx+idx] != 0) {
- if (g_debugMode) PrintAndLog("Error spacer not 0: %d, pos: %d",DemodBuffer[startIdx+idx],startIdx+idx);
+ if (g_debugMode) PrintAndLog("Error spacer not 0: %u, pos: %u", (unsigned int)DemodBuffer[startIdx+idx],(unsigned int)(startIdx+idx));
return 0;
}
continue;
}
if (keyCnt<8){ //lsb first
- xorKey = xorKey | (DemodBuffer[startIdx+idx]<<keyCnt);
+ xorKey |= (DemodBuffer[startIdx+idx]<<keyCnt);
keyCnt++;
if (keyCnt==8 && g_debugMode) PrintAndLog("xorKey Found: %02x", xorKey);
continue;
}
//lsb first
- ByteStream[ByteCnt] = ByteStream[ByteCnt] | (DemodBuffer[startIdx+idx]<<bitCnt);
+ ByteStream[ByteCnt] |= (DemodBuffer[startIdx+idx]<<bitCnt);
bitCnt++;
if (bitCnt % 8 == 0){
- if (g_debugMode) PrintAndLog("byte %d: %02x",ByteCnt,ByteStream[ByteCnt]);
+ if (g_debugMode) PrintAndLog("byte %u: %02x", (unsigned int)ByteCnt, ByteStream[ByteCnt]);
bitCnt=0;
ByteCnt++;
}
}
for (uint8_t i = 0; i < ByteCnt; i++){
ByteStream[i] ^= xorKey; //xor
- if (g_debugMode) PrintAndLog("byte %d after xor: %02x", i, ByteStream[i]);
+ if (g_debugMode) PrintAndLog("byte %u after xor: %02x", (unsigned int)i, ByteStream[i]);
}
//now ByteStream contains 64 bytes of decrypted raw tag data
//
return 1;
}
+//by marshmellow
+//see ASKDemod for what args are accepted
+int CmdVikingDemod(const char *Cmd)
+{
+ if (!ASKDemod(Cmd, false, false, 1)) {
+ if (g_debugMode) PrintAndLog("ASKDemod failed");
+ return 0;
+ }
+ size_t size = DemodBufferLen;
+ //call lfdemod.c demod for Viking
+ int ans = VikingDemod_AM(DemodBuffer, &size);
+ if (ans < 0) {
+ if (g_debugMode) PrintAndLog("Error Viking_Demod %d", ans);
+ return 0;
+ }
+ //got a good demod
+ uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans, 32);
+ uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32);
+ uint32_t cardid = bytebits_to_byte(DemodBuffer+ans+24, 32);
+ uint8_t checksum = bytebits_to_byte(DemodBuffer+ans+32+24, 8);
+ PrintAndLog("Viking Tag Found: Card ID %08X, Checksum: %02X", cardid, checksum);
+ PrintAndLog("Raw: %08X%08X", raw1,raw2);
+ setDemodBuf(DemodBuffer+ans, 64, 0);
+ return 1;
+}
+
//by marshmellow - see ASKDemod
int Cmdaskrawdemod(const char *Cmd)
{
return 0;
}
- uint8_t factor = param_get8ex(Cmd, 0,2, 10);
+ uint8_t factor = param_get8ex(Cmd, 0, 2, 10);
//We have memory, don't we?
int swap[MAX_GRAPH_TRACE_LEN] = { 0 };
uint32_t g_index = 0 ,s_index = 0;
- while(g_index < GraphTraceLen && s_index < MAX_GRAPH_TRACE_LEN)
+ while(g_index < GraphTraceLen && s_index + factor < MAX_GRAPH_TRACE_LEN)
{
int count = 0;
- for(count = 0; count < factor && s_index+count < MAX_GRAPH_TRACE_LEN; count ++)
+ for (count = 0; count < factor && s_index + count < MAX_GRAPH_TRACE_LEN; count++)
swap[s_index+count] = GraphBuffer[g_index];
- s_index+=count;
+ s_index += count;
+ g_index++;
}
- memcpy(GraphBuffer,swap, s_index * sizeof(int));
+ memcpy(GraphBuffer, swap, s_index * sizeof(int));
GraphTraceLen = s_index;
RepaintGraphWindow();
return 0;
char *GetFSKType(uint8_t fchigh, uint8_t fclow, uint8_t invert)
{
- char *fskType;
+ static char fType[8];
+ memset(fType, 0x00, 8);
+ char *fskType = fType;
if (fchigh==10 && fclow==8){
if (invert) //fsk2a
- fskType = "FSK2a";
+ memcpy(fskType, "FSK2a", 5);
else //fsk2
- fskType = "FSK2";
+ memcpy(fskType, "FSK2", 4);
} else if (fchigh == 8 && fclow == 5) {
if (invert)
- fskType = "FSK1";
+ memcpy(fskType, "FSK1", 4);
else
- fskType = "FSK1a";
+ memcpy(fskType, "FSK1a", 5);
} else {
- fskType = "FSK??";
+ memcpy(fskType, "FSK??", 5);
}
return fskType;
}
int FSKrawDemod(const char *Cmd, bool verbose)
{
//raw fsk demod no manchester decoding no start bit finding just get binary from wave
- //set defaults
- int rfLen = 0;
- int invert = 0;
- int fchigh = 0;
- int fclow = 0;
+ uint8_t rfLen, invert, fchigh, fclow;
+ //set defaults
//set options from parameters entered with the command
- sscanf(Cmd, "%i %i %i %i", &rfLen, &invert, &fchigh, &fclow);
-
+ rfLen = param_get8(Cmd, 0);
+ invert = param_get8(Cmd, 1);
+ fchigh = param_get8(Cmd, 2);
+ fclow = param_get8(Cmd, 3);
if (strlen(Cmd)>0 && strlen(Cmd)<=2) {
- if (rfLen==1){
+ if (rfLen==1) {
invert = 1; //if invert option only is used
rfLen = 0;
- }
+ }
}
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
if (BitLen==0) return 0;
//get field clock lengths
uint16_t fcs=0;
- if (fchigh==0 || fclow == 0){
+ if (!fchigh || !fclow) {
fcs = countFC(BitStream, BitLen, 1);
- if (fcs==0){
- fchigh=10;
- fclow=8;
- }else{
- fchigh = (fcs >> 8) & 0xFF;
- fclow = fcs & 0xFF;
+ if (!fcs) {
+ fchigh = 10;
+ fclow = 8;
+ } else {
+ fchigh = (fcs >> 8) & 0x00FF;
+ fclow = fcs & 0x00FF;
}
}
//get bit clock length
- if (rfLen==0){
+ if (!rfLen) {
rfLen = detectFSKClk(BitStream, BitLen, fchigh, fclow);
- if (rfLen == 0) rfLen = 50;
+ if (!rfLen) rfLen = 50;
}
- int size = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow);
- if (size>0){
- setDemodBuf(BitStream,size,0);
+ int size = fskdemod(BitStream, BitLen, rfLen, invert, fchigh, fclow);
+ if (size > 0) {
+ setDemodBuf(BitStream, size, 0);
// Now output the bitstream to the scrollback by line of 16 bits
if (verbose || g_debugMode) {
- PrintAndLog("\nUsing Clock:%d, invert:%d, fchigh:%d, fclow:%d", rfLen, invert, fchigh, fclow);
- PrintAndLog("%s decoded bitstream:",GetFSKType(fchigh,fclow,invert));
+ PrintAndLog("\nUsing Clock:%u, invert:%u, fchigh:%u, fclow:%u", (unsigned int)rfLen, (unsigned int)invert, (unsigned int)fchigh, (unsigned int)fclow);
+ PrintAndLog("%s decoded bitstream:", GetFSKType(fchigh, fclow, invert));
printDemodBuff();
}
return 1;
- } else{
+ } else {
if (g_debugMode) PrintAndLog("no FSK data found");
}
return 0;
//print ioprox ID and some format details
int CmdFSKdemodIO(const char *Cmd)
{
- //raw fsk demod no manchester decoding no start bit finding just get binary from wave
- //set defaults
int idx=0;
//something in graphbuffer?
if (GraphTraceLen < 65) {
//print full AWID Prox ID and some bit format details if found
int CmdFSKdemodAWID(const char *Cmd)
{
- //raw fsk demod no manchester decoding no start bit finding just get binary from wave
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
size_t size = getFromGraphBuf(BitStream);
if (size==0) return 0;
// s = format start bit, o = odd parity of last 7 bits
// f = facility code, c = card number
// w = wiegand parity, x = extra space for other formats
- // p = unknown checksum
+ // p = CRC8maxim checksum
// (26 bit format shown)
//get bytes for checksum calc
// s = format start bit, o = odd parity of last 7 bits
// f = facility code, c = card number
// w = wiegand parity, x = extra space for other formats
- // p = unknown checksum
+ // p = CRC8-Maxim checksum
// (26 bit format shown)
//find start bit to get fmtLen
int j;
- for (j=0; j<size; j++){
+ for (j=0; j < size; ++j){
if(BitStream[j]) break;
}
+
uint8_t fmtLen = size-j-8;
uint32_t fc = 0;
uint32_t cardnum = 0;
uint32_t code1 = 0;
- if (fmtLen==26){
+
+ if ( fmtLen == 26 ){
fc = bytebits_to_byte(BitStream+73, 8);
cardnum = bytebits_to_byte(BitStream+81, 16);
code1 = bytebits_to_byte(BitStream+72,fmtLen);
PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi3, rawHi2, rawHi, rawLo);
- } else if (fmtLen==45){
- fmtLen=42; //end = 10 bits not 7 like 26 bit fmt
+ } else if (fmtLen == 45) {
+ fmtLen = 42; //end = 10 bits not 7 like 26 bit fmt
fc = bytebits_to_byte(BitStream+53, 10);
cardnum = bytebits_to_byte(BitStream+63, 32);
PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Raw: %08x%08x%08x%08x", fmtLen, fc, cardnum, rawHi3, rawHi2, rawHi, rawLo);
} else {
cardnum = bytebits_to_byte(BitStream+81, 16);
- if (fmtLen>32){
- //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen-32);
- //code2 = bytebits_to_byte(BitStream+(size-32),32);
- PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo);
- } else{
- //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen);
- PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo);
- }
+ PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo);
}
if (checksum == checkCS)
PrintAndLog("Checksum %02x passed", checksum);
GetFromBigBuf(got,n,0);
PrintAndLog("Data fetched");
UsbCommand response;
- WaitForResponse(CMD_ACK, &response);
+ if ( !WaitForResponseTimeout(CMD_ACK, &response, 10000) ) {
+ PrintAndLog("timeout while waiting for reply.");
+ return 1;
+ }
+
uint8_t bits_per_sample = 8;
//Old devices without this feature would send 0 at arg[0]
int timeout = 0;
printf("\nMeasuring antenna characteristics, please wait...");
- UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING};
+ UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING, {0,0,0}};
+ clearCommandBuffer();
SendCommand(&c);
-
UsbCommand resp;
- while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING,&resp,1000)) {
+ while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING, &resp, 2000)) {
timeout++;
printf(".");
if (timeout > 7) {
ShowGraphWindow();
RepaintGraphWindow();
}
-
return 0;
}
FILE *f = fopen(filename, "r");
if (!f) {
- PrintAndLog("couldn't open '%s'", filename);
+ PrintAndLog("couldn't open '%s'", filename);
return 0;
}
int CmdLtrim(const char *Cmd)
{
int ds = atoi(Cmd);
- if (GraphTraceLen<=0) return 0;
+
+ if (GraphTraceLen <= 0) return 0;
+
for (int i = ds; i < GraphTraceLen; ++i)
GraphBuffer[i-ds] = GraphBuffer[i];
- GraphTraceLen -= ds;
+ GraphTraceLen -= ds;
RepaintGraphWindow();
return 0;
}
int CmdRtrim(const char *Cmd)
{
int ds = atoi(Cmd);
-
GraphTraceLen = ds;
-
RepaintGraphWindow();
return 0;
}
}
int usage_data_hex2bin(){
-
- PrintAndLog("Usage: data bin2hex <binary_digits>");
+ PrintAndLog("Usage: data hex2bin <hex_digits>");
PrintAndLog(" This function will ignore all non-hexadecimal characters (but stop reading on whitespace)");
return 0;
-
}
int Cmdhex2bin(const char *Cmd)
{
int bg =0, en =0;
- if(param_getptr(Cmd, &bg, &en, 0))
- {
- return usage_data_hex2bin();
- }
-
+ if(param_getptr(Cmd, &bg, &en, 0)) return usage_data_hex2bin();
while(bg <= en )
{
{"manrawdecode", Cmdmandecoderaw, 1, "[invert] [maxErr] -- Manchester decode binary stream in DemodBuffer"},
{"norm", CmdNorm, 1, "Normalize max/min to +/-128"},
{"plot", CmdPlot, 1, "Show graph window (hit 'h' in window for keystroke help)"},
- {"printdemodbuffer",CmdPrintDemodBuff, 1, "[x] [o] <offset> -- print the data in the DemodBuffer - 'x' for hex output"},
+ {"printdemodbuffer",CmdPrintDemodBuff, 1, "[x] [o] <offset> [l] <length> -- print the data in the DemodBuffer - 'x' for hex output"},
{"pskindalademod", CmdIndalaDecode, 1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
{"psknexwatchdemod",CmdPSKNexWatch, 1, "Demodulate a NexWatch tag (nexkey, quadrakey) (PSK1) from GraphBuffer"},
{"rawdemod", CmdRawDemod, 1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},
{"samples", CmdSamples, 0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},
{"save", CmdSave, 1, "<filename> -- Save trace (from graph window)"},
{"scale", CmdScale, 1, "<int> -- Set cursor display scale"},
- {"setdebugmode", CmdSetDebugMode, 1, "<0|1> -- Turn on or off Debugging Mode for demods"},
+ {"setdebugmode", CmdSetDebugMode, 1, "<0|1|2> -- Turn on or off Debugging Level for lf demods"},
{"shiftgraphzero", CmdGraphShiftZero, 1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},
{"dirthreshold", CmdDirectionalThreshold, 1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
{"tune", CmdTuneSamples, 0, "Get hw tune samples for graph window"},
{NULL, NULL, 0, NULL}
};
-int CmdData(const char *Cmd)
-{
+int CmdData(const char *Cmd){
+ clearCommandBuffer();
CmdsParse(CommandTable, Cmd);
return 0;
}
projects / proxmark3-svn / blobdiff