X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/709665b5d1abddd92403082c23f13e8cddfcd508..refs/pull/165/head:/client/cmddata.c diff --git a/client/cmddata.c b/client/cmddata.c index ca4fcafc..900cfc83 100644 --- a/client/cmddata.c +++ b/client/cmddata.c @@ -58,11 +58,12 @@ int CmdSetDebugMode(const char *Cmd) } int usage_data_printdemodbuf(){ - PrintAndLog("Usage: data printdemodbuffer x o "); + PrintAndLog("Usage: data printdemodbuffer x o l "); PrintAndLog("Options: "); PrintAndLog(" h This help"); PrintAndLog(" x output in hex (omit for binary output)"); PrintAndLog(" o enter offset in # of bits"); + PrintAndLog(" l enter length to print in # of bits or hex characters respectively"); return 0; } @@ -87,7 +88,8 @@ int CmdPrintDemodBuff(const char *Cmd) 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) { @@ -103,10 +105,16 @@ int CmdPrintDemodBuff(const char *Cmd) 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; @@ -116,11 +124,12 @@ int CmdPrintDemodBuff(const char *Cmd) } //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); @@ -313,7 +322,7 @@ int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType) 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; @@ -910,19 +919,21 @@ int CmdDetectClockRate(const char *Cmd) 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; } @@ -934,55 +945,52 @@ char *GetFSKType(uint8_t fchigh, uint8_t fclow, uint8_t invert) int FSKrawDemod(const char *Cmd, bool verbose) { //raw fsk demod no manchester decoding no start bit finding just get binary from wave + uint8_t rfLen, invert, fchigh, fclow; //set defaults - int rfLen = 0; - int invert = 0; - int fchigh = 0; - int fclow = 0; - //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}; size_t BitLen = getFromGraphBuf(BitStream); if (BitLen==0) return 0; + if (g_debugMode==2) PrintAndLog("DEBUG: Got samples"); //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){ + 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("\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; @@ -2383,7 +2391,7 @@ static command_t CommandTable[] = {"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] -- print the data in the DemodBuffer - 'x' for hex output"}, + {"printdemodbuffer",CmdPrintDemodBuff, 1, "[x] [o] [l] -- 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] ... -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},