X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/19ff0210fa9709edf34e2c1545c5bdc5bb133f26..40b9bb85e6e157193d12b77609673e71388654cd:/client/cmddata.c?ds=sidebyside diff --git a/client/cmddata.c b/client/cmddata.c index 293b66ab..b8b95c04 100644 --- a/client/cmddata.c +++ b/client/cmddata.c @@ -49,7 +49,7 @@ int CmdSetDebugMode(const char *Cmd) } //by marshmellow -void printDemodBuff() +void printDemodBuff(void) { uint32_t i = 0; int bitLen = DemodBufferLen; @@ -84,7 +84,11 @@ void printDemodBuff() return; } - +int CmdPrintDemodBuff(const char *Cmd) +{ + printDemodBuff(); + return 1; +} int CmdAmp(const char *Cmd) { int i, rising, falling; @@ -221,7 +225,7 @@ void printBitStream(uint8_t BitStream[], uint32_t bitLen) return; } //by marshmellow -//print EM410x ID in multiple formats +//print 64 bit EM410x ID in multiple formats void printEM410x(uint64_t id) { if (id !=0){ @@ -311,36 +315,19 @@ int CmdAskEM410xDemod(const char *Cmd) printDemodBuff(); } PrintAndLog("EM410x pattern found: "); + if (BitLen > 64) PrintAndLog("\nWarning! Length not what is expected - Length: %d bits\n",BitLen); printEM410x(lo); return 1; } return 0; } -//by marshmellow -//takes 3 arguments - clock, invert, maxErr as integers -//attempts to demodulate ask while decoding manchester -//prints binary found and saves in graphbuffer for further commands -int Cmdaskmandemod(const char *Cmd) +int ASKmanDemod(const char *Cmd, bool verbose, bool emSearch) { int invert=0; int clk=0; int maxErr=100; - char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data rawdemod am [clock] <0|1> [maxError]"); - PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); - PrintAndLog(" , 1 for invert output"); - PrintAndLog(" [set maximum allowed errors], default = 100."); - PrintAndLog(""); - PrintAndLog(" sample: data askmandemod = demod an ask/manchester tag from GraphBuffer"); - PrintAndLog(" : data askmandemod 32 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32"); - PrintAndLog(" : data askmandemod 32 1 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32 and inverting data"); - PrintAndLog(" : data askmandemod 1 = demod an ask/manchester tag from GraphBuffer while inverting data"); - PrintAndLog(" : data askmandemod 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; - } + uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr); if (invert != 0 && invert != 1) { @@ -360,33 +347,58 @@ int Cmdaskmandemod(const char *Cmd) if (g_debugMode==1) PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk); return 0; } - PrintAndLog("\nUsing Clock: %d - Invert: %d - Bits Found: %d",clk,invert,BitLen); + if (verbose) PrintAndLog("\nUsing Clock: %d - Invert: %d - Bits Found: %d",clk,invert,BitLen); //output if (errCnt>0){ - PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt); + if (verbose) PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt); } - PrintAndLog("ASK/Manchester decoded bitstream:"); + if (verbose) PrintAndLog("ASK/Manchester decoded bitstream:"); // Now output the bitstream to the scrollback by line of 16 bits setDemodBuf(BitStream,BitLen,0); - printDemodBuff(); + if (verbose) printDemodBuff(); uint64_t lo =0; size_t idx=0; - lo = Em410xDecode(BitStream, &BitLen, &idx); - if (lo>0){ - //set GraphBuffer for clone or sim command - setDemodBuf(BitStream, BitLen, idx); - if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); - printDemodBuff(); + if (emSearch){ + lo = Em410xDecode(BitStream, &BitLen, &idx); + if (lo>0){ + //set GraphBuffer for clone or sim command + setDemodBuf(BitStream, BitLen, idx); + if (g_debugMode){ + PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); + printDemodBuff(); + } + if (verbose) PrintAndLog("EM410x pattern found: "); + if (verbose) printEM410x(lo); + return 1; } - PrintAndLog("EM410x pattern found: "); - printEM410x(lo); - return 1; } return 1; } +//by marshmellow +//takes 3 arguments - clock, invert, maxErr as integers +//attempts to demodulate ask while decoding manchester +//prints binary found and saves in graphbuffer for further commands +int Cmdaskmandemod(const char *Cmd) +{ + char cmdp = param_getchar(Cmd, 0); + if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { + PrintAndLog("Usage: data rawdemod am [clock] <0|1> [maxError]"); + PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); + PrintAndLog(" , 1 for invert output"); + PrintAndLog(" [set maximum allowed errors], default = 100."); + PrintAndLog(""); + PrintAndLog(" sample: data rawdemod am = demod an ask/manchester tag from GraphBuffer"); + PrintAndLog(" : data rawdemod am 32 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32"); + PrintAndLog(" : data rawdemod am 32 1 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32 and inverting data"); + PrintAndLog(" : data rawdemod am 1 = demod an ask/manchester tag from GraphBuffer while inverting data"); + 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; + } + return ASKmanDemod(Cmd, TRUE, TRUE); +} + //by marshmellow //manchester decode //stricktly take 10 and 01 and convert to 0 and 1 @@ -495,38 +507,44 @@ int CmdBiphaseDecodeRaw(const char *Cmd) return 1; } +// set demod buffer back to raw after biphase demod +void setBiphaseDemodBuf(uint8_t *BitStream, size_t size) +{ + uint8_t rawStream[512]={0x00}; + size_t i=0; + uint8_t curPhase=0; + if (size > 256) { + PrintAndLog("ERROR - Biphase Demod Buffer overrun"); + return; + } + for (size_t idx=0; idx 12 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data rawdemod ar [clock] [maxError] [amplify]"); - PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); - PrintAndLog(" , 1 to invert output"); - PrintAndLog(" [set maximum allowed errors], default = 100"); - PrintAndLog(" , 'a' to attempt demod with ask amplification, default = no amp"); - PrintAndLog(""); - PrintAndLog(" sample: data askrawdemod = demod an ask tag from GraphBuffer"); - PrintAndLog(" : data askrawdemod a = demod an ask tag from GraphBuffer, amplified"); - PrintAndLog(" : data askrawdemod 32 = demod an ask tag from GraphBuffer using a clock of RF/32"); - PrintAndLog(" : data askrawdemod 32 1 = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data"); - PrintAndLog(" : data askrawdemod 1 = demod an ask tag from GraphBuffer while inverting data"); - PrintAndLog(" : data askrawdemod 64 1 0 = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); - PrintAndLog(" : data askrawdemod 64 1 0 a = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp"); - return 0; - } uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; sscanf(Cmd, "%i %i %i %c", &clk, &invert, &maxErr, &); if (invert != 0 && invert != 1) { - PrintAndLog("Invalid argument: %s", Cmd); + if (verbose) PrintAndLog("Invalid argument: %s", Cmd); return 0; } if (clk==1){ @@ -539,26 +557,144 @@ int Cmdaskrawdemod(const char *Cmd) int errCnt=0; errCnt = askrawdemod(BitStream, &BitLen, &clk, &invert, maxErr, askAmp); if (errCnt==-1||BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first) - PrintAndLog("no data found"); - if (g_debugMode==1) PrintAndLog("errCnt: %d, BitLen: %d, clk: %d, invert: %d", errCnt, BitLen, clk, invert); + if (verbose) PrintAndLog("no data found"); + if (g_debugMode==1 && verbose) PrintAndLog("errCnt: %d, BitLen: %d, clk: %d, invert: %d", errCnt, BitLen, clk, invert); return 0; } - PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d", clk, invert, BitLen); + if (verbose) PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d", clk, invert, BitLen); //move BitStream back to DemodBuffer setDemodBuf(BitStream,BitLen,0); //output - if (errCnt>0){ + if (errCnt>0 && verbose){ PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d", errCnt); } - PrintAndLog("ASK demoded bitstream:"); - // Now output the bitstream to the scrollback by line of 16 bits - printBitStream(BitStream,BitLen); + if (verbose){ + PrintAndLog("ASK demoded bitstream:"); + // Now output the bitstream to the scrollback by line of 16 bits + printBitStream(BitStream,BitLen); + } + return 1; +} +//by marshmellow +//attempts to demodulate and identify a G_Prox_II verex/chubb card +//WARNING: if it fails during some points it will destroy the DemodBuffer data +// but will leave the GraphBuffer intact. +//if successful it will push askraw data back to demod buffer ready for emulation +int CmdG_Prox_II_Demod(const char *Cmd) +{ + int ans = ASKrawDemod(Cmd, FALSE); + if (ans <= 0) { + if (g_debugMode) PrintAndLog("Error AskrawDemod: %d",ans); + return ans; + } + size_t size = DemodBufferLen; + ans = BiphaseRawDecode(DemodBuffer, &size, 0, 0); + if (ans !=0) { + if (g_debugMode) PrintAndLog("Error BiphaseRawDecode: %d",ans); + return ans; + } + //call lfdemod.c demod for gProxII + ans = gProxII_Demod(DemodBuffer, &size); + if (ans < 0){ + if (g_debugMode) PrintAndLog("Error gProxII_Demod 1st Try: %d",ans); + //try biphase again + ans = BiphaseRawDecode(DemodBuffer, &size, 1, 0); + if (ans != 0) { + if (g_debugMode) PrintAndLog("Error BiphaseRawDecode: %d",ans); + return ans; + } + ans = gProxII_Demod(DemodBuffer, &size); + if (ans < 0) { + if (g_debugMode) PrintAndLog("Error gProxII_Demod 1st Try: %d",ans); + return ans; + } + } + //got a good demod + uint32_t ByteStream[65] = {0x00}; + uint8_t xorKey=0; + uint8_t keyCnt=0; + uint8_t bitCnt=0; + uint8_t ByteCnt=0; + size_t startIdx = ans + 6; //start after preamble + for (size_t idx = 0; idx>2; + uint32_t FC = 0; + uint32_t Card = 0; + uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans,32); + uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32); + uint32_t raw3 = bytebits_to_byte(DemodBuffer+ans+64, 32); + + if (fmtLen==36){ + FC = ((ByteStream[3] & 0x7F)<<7) | (ByteStream[4]>>1); + Card = ((ByteStream[4]&1)<<19) | (ByteStream[5]<<11) | (ByteStream[6]<<3) | (ByteStream[7]>>5); + PrintAndLog("G-Prox-II Found: FmtLen %d, FC %d, Card %d",fmtLen,FC,Card); + } else if(fmtLen==26){ + FC = ((ByteStream[3] & 0x7F)<<1) | (ByteStream[4]>>7); + Card = ((ByteStream[4]&0x7F)<<9) | (ByteStream[5]<<1) | (ByteStream[6]>>7); + PrintAndLog("G-Prox-II Found: FmtLen %d, FC %d, Card %d",fmtLen,FC,Card); + } else { + PrintAndLog("Unknown G-Prox-II Fmt Found: FmtLen %d",fmtLen); + } + PrintAndLog("Raw: %08x%08x%08x", raw1,raw2,raw3); + setBiphaseDemodBuf(DemodBuffer+ans, 96); return 1; } +//by marshmellow - see ASKrawDemod +int Cmdaskrawdemod(const char *Cmd) +{ + char cmdp = param_getchar(Cmd, 0); + if (strlen(Cmd) > 12 || cmdp == 'h' || cmdp == 'H') { + PrintAndLog("Usage: data rawdemod ar [clock] [maxError] [amplify]"); + PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); + PrintAndLog(" , 1 to invert output"); + PrintAndLog(" [set maximum allowed errors], default = 100"); + PrintAndLog(" , 'a' to attempt demod with ask amplification, default = no amp"); + PrintAndLog(""); + PrintAndLog(" sample: data rawdemod ar = demod an ask tag from GraphBuffer"); + PrintAndLog(" : data rawdemod ar a = demod an ask tag from GraphBuffer, amplified"); + PrintAndLog(" : data rawdemod ar 32 = demod an ask tag from GraphBuffer using a clock of RF/32"); + PrintAndLog(" : data rawdemod ar 32 1 = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data"); + PrintAndLog(" : data rawdemod ar 1 = demod an ask tag from GraphBuffer while inverting data"); + PrintAndLog(" : data rawdemod ar 64 1 0 = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); + PrintAndLog(" : data rawdemod ar 64 1 0 a = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp"); + return 0; + } + return ASKrawDemod(Cmd, TRUE); +} + int CmdAutoCorr(const char *Cmd) { static int CorrelBuffer[MAX_GRAPH_TRACE_LEN]; @@ -814,31 +950,15 @@ int CmdDetectClockRate(const char *Cmd) //fsk raw demod and print binary //takes 4 arguments - Clock, invert, fchigh, fclow //defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a)) -int CmdFSKrawdemod(const char *Cmd) +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; - char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data rawdemod fs [clock] [fchigh] [fclow]"); - PrintAndLog(" [set clock as integer] optional, omit for autodetect."); - PrintAndLog(" , 1 for invert output, can be used even if the clock is omitted"); - PrintAndLog(" [fchigh], larger field clock length, omit for autodetect"); - PrintAndLog(" [fclow], small field clock length, omit for autodetect"); - PrintAndLog(""); - PrintAndLog(" sample: data fskrawdemod = demod an fsk tag from GraphBuffer using autodetect"); - PrintAndLog(" : data fskrawdemod 32 = demod an fsk tag from GraphBuffer using a clock of RF/32, autodetect fc"); - PrintAndLog(" : data fskrawdemod 1 = demod an fsk tag from GraphBuffer using autodetect, invert output"); - PrintAndLog(" : data fskrawdemod 32 1 = demod an fsk tag from GraphBuffer using a clock of RF/32, invert output, autodetect fc"); - PrintAndLog(" : data fskrawdemod 64 0 8 5 = demod an fsk1 RF/64 tag from GraphBuffer"); - PrintAndLog(" : data fskrawdemod 50 0 10 8 = demod an fsk2 RF/50 tag from GraphBuffer"); - PrintAndLog(" : data fskrawdemod 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer"); - return 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); @@ -856,7 +976,7 @@ int CmdFSKrawdemod(const char *Cmd) uint16_t fcs=0; uint8_t dummy=0; if (fchigh==0 || fclow == 0){ - fcs=countFC(BitStream, BitLen, &dummy); + fcs = countFC(BitStream, BitLen, &dummy); if (fcs==0){ fchigh=10; fclow=8; @@ -870,22 +990,51 @@ int CmdFSKrawdemod(const char *Cmd) rfLen = detectFSKClk(BitStream, BitLen, fchigh, fclow); if (rfLen == 0) rfLen = 50; } - PrintAndLog("Args invert: %d - Clock:%d - fchigh:%d - fclow: %d",invert,rfLen,fchigh, fclow); + if (verbose) PrintAndLog("Args invert: %d - Clock:%d - fchigh:%d - fclow: %d",invert,rfLen,fchigh, fclow); int size = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow); if (size>0){ - PrintAndLog("FSK decoded bitstream:"); setDemodBuf(BitStream,size,0); // Now output the bitstream to the scrollback by line of 16 bits if(size > (8*32)+2) size = (8*32)+2; //only output a max of 8 blocks of 32 bits most tags will have full bit stream inside that sample size - printBitStream(BitStream,size); + if (verbose) { + PrintAndLog("FSK decoded bitstream:"); + printBitStream(BitStream,size); + } + return 1; } else{ - PrintAndLog("no FSK data found"); + if (verbose) PrintAndLog("no FSK data found"); } return 0; } +//by marshmellow +//fsk raw demod and print binary +//takes 4 arguments - Clock, invert, fchigh, fclow +//defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a)) +int CmdFSKrawdemod(const char *Cmd) +{ + char cmdp = param_getchar(Cmd, 0); + if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { + PrintAndLog("Usage: data rawdemod fs [clock] [fchigh] [fclow]"); + PrintAndLog(" [set clock as integer] optional, omit for autodetect."); + PrintAndLog(" , 1 for invert output, can be used even if the clock is omitted"); + PrintAndLog(" [fchigh], larger field clock length, omit for autodetect"); + PrintAndLog(" [fclow], small field clock length, omit for autodetect"); + PrintAndLog(""); + PrintAndLog(" sample: data rawdemod fs = demod an fsk tag from GraphBuffer using autodetect"); + PrintAndLog(" : data rawdemod fs 32 = demod an fsk tag from GraphBuffer using a clock of RF/32, autodetect fc"); + PrintAndLog(" : data rawdemod fs 1 = demod an fsk tag from GraphBuffer using autodetect, invert output"); + PrintAndLog(" : data rawdemod fs 32 1 = demod an fsk tag from GraphBuffer using a clock of RF/32, invert output, autodetect fc"); + PrintAndLog(" : data rawdemod fs 64 0 8 5 = demod an fsk1 RF/64 tag from GraphBuffer"); + PrintAndLog(" : data rawdemod fs 50 0 10 8 = demod an fsk2 RF/50 tag from GraphBuffer"); + PrintAndLog(" : data rawdemod fs 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer"); + return 0; + } + return FSKrawDemod(Cmd, TRUE); +} + //by marshmellow (based on existing demod + holiman's refactor) //HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded) //print full HID Prox ID and some bit format details if found @@ -1007,9 +1156,12 @@ int CmdFSKdemodParadox(const char *Cmd) } uint32_t fc = ((hi & 0x3)<<6) | (lo>>26); uint32_t cardnum = (lo>>10)&0xFFFF; - - PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x", - hi>>10, (hi & 0x3)<<26 | (lo>>10), fc, cardnum, (lo>>2) & 0xFF ); + uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32); + uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32); + uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32); + + PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x - RAW: %08x%08x%08x", + hi>>10, (hi & 0x3)<<26 | (lo>>10), fc, cardnum, (lo>>2) & 0xFF, rawHi2, rawHi, rawLo); setDemodBuf(BitStream,BitLen,idx); if (g_debugMode){ PrintAndLog("DEBUG: idx: %d, len: %d, Printing Demod Buffer:", idx, BitLen); @@ -1179,16 +1331,16 @@ int CmdFSKdemodAWID(const char *Cmd) fc = bytebits_to_byte(BitStream+9, 8); cardnum = bytebits_to_byte(BitStream+17, 16); code1 = bytebits_to_byte(BitStream+8,fmtLen); - PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo); + PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo); } else { cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16); if (fmtLen>32){ code1 = bytebits_to_byte(BitStream+8,fmtLen-32); code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32); - PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo); + PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo); } else{ code1 = bytebits_to_byte(BitStream+8,fmtLen); - PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo); + PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo); } } if (g_debugMode){ @@ -1299,21 +1451,21 @@ int CmdFSKdemodPyramid(const char *Cmd) 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: %x%08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi3, rawHi2, rawHi, rawLo); + 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 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: %x%08x%08x%08x", fmtLen, fc, cardnum, rawHi3, rawHi2, rawHi, rawLo); + 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: %x%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); } else{ //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen); - PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %x%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 (g_debugMode){ @@ -1443,7 +1595,7 @@ int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating //by marshmellow //attempt to psk1 demod graph buffer -int PSKDemod(const char *Cmd, uint8_t verbose) +int PSKDemod(const char *Cmd, bool verbose) { int invert=0; int clk=0; @@ -1454,20 +1606,25 @@ int PSKDemod(const char *Cmd, uint8_t verbose) clk=0; } if (invert != 0 && invert != 1) { - PrintAndLog("Invalid argument: %s", Cmd); + if (verbose) PrintAndLog("Invalid argument: %s", Cmd); return -1; } uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; size_t BitLen = getFromGraphBuf(BitStream); - if (BitLen==0) return 0; + if (BitLen==0) return -1; + uint8_t carrier=countPSK_FC(BitStream, BitLen); + if (carrier!=2 && carrier!=4 && carrier!=8){ + //invalid carrier + return -1; + } int errCnt=0; - errCnt = pskRawDemod(BitStream, &BitLen,&clk,&invert); + errCnt = pskRawDemod(BitStream, &BitLen, &clk, &invert); if (errCnt > maxErr){ - if (g_debugMode==1) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); + if (g_debugMode==1 && verbose) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); return -1; } if (errCnt<0|| BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first) - if (g_debugMode==1) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); + if (g_debugMode==1 && verbose) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); return -1; } if (verbose) PrintAndLog("Tried PSK Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen); @@ -1561,27 +1718,12 @@ int CmdIndalaDecode(const char *Cmd) // takes 3 arguments - clock, invert, maxErr as integers // attempts to demodulate nrz only // prints binary found and saves in demodbuffer for further commands -int CmdNRZrawDemod(const char *Cmd) + +int NRZrawDemod(const char *Cmd, bool verbose) { int invert=0; int clk=0; int maxErr=100; - char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data rawdemod nr [clock] <0|1> [maxError]"); - PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); - PrintAndLog(" , 1 for invert output"); - PrintAndLog(" [set maximum allowed errors], default = 100."); - PrintAndLog(""); - PrintAndLog(" sample: data nrzrawdemod = demod a nrz/direct tag from GraphBuffer"); - PrintAndLog(" : data nrzrawdemod 32 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32"); - PrintAndLog(" : data nrzrawdemod 32 1 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32 and inverting data"); - PrintAndLog(" : data nrzrawdemod 1 = demod a nrz/direct tag from GraphBuffer while inverting data"); - PrintAndLog(" : data nrzrawdemod 64 1 0 = demod a nrz/direct tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); - - return 0; - } - sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr); if (clk==1){ invert=1; @@ -1597,25 +1739,45 @@ int CmdNRZrawDemod(const char *Cmd) int errCnt=0; errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert, maxErr); if (errCnt > maxErr){ - if (g_debugMode==1) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); + if (g_debugMode==1 && verbose) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); return 0; } if (errCnt<0|| BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first) - if (g_debugMode==1) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); + if (g_debugMode==1 && verbose) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); return 0; } PrintAndLog("Tried NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen); //prime demod buffer for output setDemodBuf(BitStream,BitLen,0); - if (errCnt>0){ + if (errCnt>0 && verbose){ PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt); - }else{ } - PrintAndLog("NRZ demoded bitstream:"); - // Now output the bitstream to the scrollback by line of 16 bits - printDemodBuff(); - return 1; + if (verbose) { + PrintAndLog("NRZ demoded bitstream:"); + // Now output the bitstream to the scrollback by line of 16 bits + printDemodBuff(); + } + return 1; +} + +int CmdNRZrawDemod(const char *Cmd) +{ + char cmdp = param_getchar(Cmd, 0); + if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { + PrintAndLog("Usage: data rawdemod nr [clock] <0|1> [maxError]"); + PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); + PrintAndLog(" , 1 for invert output"); + PrintAndLog(" [set maximum allowed errors], default = 100."); + PrintAndLog(""); + PrintAndLog(" sample: data nrzrawdemod = demod a nrz/direct tag from GraphBuffer"); + PrintAndLog(" : data nrzrawdemod 32 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32"); + PrintAndLog(" : data nrzrawdemod 32 1 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32 and inverting data"); + PrintAndLog(" : data nrzrawdemod 1 = demod a nrz/direct tag from GraphBuffer while inverting data"); + PrintAndLog(" : data nrzrawdemod 64 1 0 = demod a nrz/direct tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); + return 0; + } + return NRZrawDemod(Cmd, TRUE); } // by marshmellow @@ -1639,7 +1801,7 @@ int CmdPSK1rawDemod(const char *Cmd) PrintAndLog(" : data psk1rawdemod 64 1 0 = demod a psk1 tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); return 0; } - errCnt = PSKDemod(Cmd, 1); + errCnt = PSKDemod(Cmd, TRUE); //output if (errCnt<0){ if (g_debugMode) PrintAndLog("Error demoding: %d",errCnt); @@ -1647,7 +1809,6 @@ int CmdPSK1rawDemod(const char *Cmd) } if (errCnt>0){ PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt); - }else{ } PrintAndLog("PSK demoded bitstream:"); // Now output the bitstream to the scrollback by line of 16 bits @@ -1674,7 +1835,7 @@ int CmdPSK2rawDemod(const char *Cmd) PrintAndLog(" : data psk2rawdemod 64 1 0 = demod a psk2 tag from GraphBuffer using a clock of RF/64, inverting output and allowing 0 demod errors"); return 0; } - errCnt=PSKDemod(Cmd, 1); + errCnt=PSKDemod(Cmd, TRUE); if (errCnt<0){ if (g_debugMode) PrintAndLog("Error demoding: %d",errCnt); return 0; @@ -1914,24 +2075,32 @@ int CmdTuneSamples(const char *Cmd) PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134/1000.0); PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1)); PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf/1000.0); - if (peakv<2000) + +#define LF_UNUSABLE_V 2948 // was 2000. Changed due to bugfix in voltage measurements. LF results are now 47% higher. +#define LF_MARGINAL_V 14739 // was 10000. Changed due to bugfix bug in voltage measurements. LF results are now 47% higher. +#define HF_UNUSABLE_V 3167 // was 2000. Changed due to bugfix in voltage measurements. HF results are now 58% higher. +#define HF_MARGINAL_V 7917 // was 5000. Changed due to bugfix in voltage measurements. HF results are now 58% higher. + + if (peakv < LF_UNUSABLE_V) PrintAndLog("# Your LF antenna is unusable."); - else if (peakv<10000) + else if (peakv < LF_MARGINAL_V) PrintAndLog("# Your LF antenna is marginal."); - if (vHf<2000) + if (vHf < HF_UNUSABLE_V) PrintAndLog("# Your HF antenna is unusable."); - else if (vHf<5000) + else if (vHf < HF_MARGINAL_V) PrintAndLog("# Your HF antenna is marginal."); - for (int i = 0; i < 256; i++) { - GraphBuffer[i] = resp.d.asBytes[i] - 128; + if (peakv >= LF_UNUSABLE_V) { + for (int i = 0; i < 256; i++) { + GraphBuffer[i] = resp.d.asBytes[i] - 128; + } + PrintAndLog("Displaying LF tuning graph. Divisor 89 is 134khz, 95 is 125khz.\n"); + PrintAndLog("\n"); + GraphTraceLen = 256; + ShowGraphWindow(); + RepaintGraphWindow(); } - PrintAndLog("Done! Divisor 89 is 134khz, 95 is 125khz.\n"); - PrintAndLog("\n"); - GraphTraceLen = 256; - ShowGraphWindow(); - return 0; } @@ -2372,24 +2541,25 @@ static command_t CommandTable[] = {"help", CmdHelp, 1, "This help"}, {"amp", CmdAmp, 1, "Amplify peaks"}, //{"askdemod", Cmdaskdemod, 1, "<0 or 1> -- Attempt to demodulate simple ASK tags"}, - {"askedgedetect", CmdAskEdgeDetect, 1, "[threshold] Adjust Graph for manual ask demod using length of sample differences to detect the edge of a wave - default = 25"}, - {"askem410xdemod",CmdAskEM410xDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional)"}, + {"askedgedetect", CmdAskEdgeDetect, 1, "[threshold] Adjust Graph for manual ask demod using length of sample differences to detect the edge of a wave (default = 25)"}, + {"askem410xdemod",CmdAskEM410xDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"}, + {"askgproxiidemod",CmdG_Prox_II_Demod,1, "Demodulate a G Prox II tag from GraphBuffer"}, //{"askmandemod", Cmdaskmandemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional)"}, //{"askrawdemod", Cmdaskrawdemod, 1, "[clock] [invert<0|1>] -- Attempt to demodulate ASK tags and output bin (args optional)"}, {"autocorr", CmdAutoCorr, 1, " -- Autocorrelation over window"}, - {"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] [invert<0|1>] Biphase decode bin stream in demod buffer (offset = 0|1 bits to shift the decode start)"}, + {"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] [invert<0|1>] Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"}, {"bitsamples", CmdBitsamples, 0, "Get raw samples as bitstring"}, //{"bitstream", CmdBitstream, 1, "[clock rate] -- Convert waveform into a bitstream"}, {"buffclear", CmdBuffClear, 1, "Clear sample buffer and graph window"}, {"dec", CmdDec, 1, "Decimate samples"}, - {"detectclock", CmdDetectClockRate, 1, "[modulation] Detect clock rate (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"}, + {"detectclock", CmdDetectClockRate, 1, "[modulation] Detect clock rate of wave in GraphBuffer (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"}, //{"fskdemod", CmdFSKdemod, 1, "Demodulate graph window as a HID FSK"}, - {"fskawiddemod", CmdFSKdemodAWID, 1, "Demodulate graph window as an AWID FSK tag using raw"}, + {"fskawiddemod", CmdFSKdemodAWID, 1, "Demodulate an AWID FSK tag from GraphBuffer"}, //{"fskfcdetect", CmdFSKfcDetect, 1, "Try to detect the Field Clock of an FSK wave"}, - {"fskhiddemod", CmdFSKdemodHID, 1, "Demodulate graph window as a HID FSK tag using raw"}, - {"fskiodemod", CmdFSKdemodIO, 1, "Demodulate graph window as an IO Prox tag FSK using raw"}, - {"fskpyramiddemod",CmdFSKdemodPyramid,1, "Demodulate graph window as a Pyramid FSK tag using raw"}, - {"fskparadoxdemod",CmdFSKdemodParadox,1, "Demodulate graph window as a Paradox FSK tag using raw"}, + {"fskhiddemod", CmdFSKdemodHID, 1, "Demodulate a HID FSK tag from GraphBuffer"}, + {"fskiodemod", CmdFSKdemodIO, 1, "Demodulate an IO Prox FSK tag from GraphBuffer"}, + {"fskpyramiddemod",CmdFSKdemodPyramid,1, "Demodulate a Pyramid FSK tag from GraphBuffer"}, + {"fskparadoxdemod",CmdFSKdemodParadox,1, "Demodulate a Paradox FSK tag from GraphBuffer"}, //{"fskrawdemod", CmdFSKrawdemod, 1, "[clock rate] [invert] [rchigh] [rclow] Demodulate graph window from FSK to bin (clock = 50)(invert = 1|0)(rchigh = 10)(rclow=8)"}, {"grid", CmdGrid, 1, " -- overlay grid on graph window, use zero value to turn off either"}, {"hexsamples", CmdHexsamples, 0, " [] -- Dump big buffer as hex bytes"}, @@ -2399,18 +2569,19 @@ static command_t CommandTable[] = {"ltrim", CmdLtrim, 1, " -- Trim samples from left of trace"}, {"rtrim", CmdRtrim, 1, " -- Trim samples from right of trace"}, //{"mandemod", CmdManchesterDemod, 1, "[i] [clock rate] -- Manchester demodulate binary stream (option 'i' to invert output)"}, - {"manrawdecode", Cmdmandecoderaw, 1, "Manchester decode binary stream already in graph buffer"}, + {"manrawdecode", Cmdmandecoderaw, 1, "Manchester decode binary stream in DemodBuffer"}, {"manmod", CmdManchesterMod, 1, "[clock rate] -- Manchester modulate a binary stream"}, {"norm", CmdNorm, 1, "Normalize max/min to +/-128"}, //{"nrzdetectclock",CmdDetectNRZClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"}, //{"nrzrawdemod", CmdNRZrawDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate nrz tags and output binary (args optional)"}, {"plot", CmdPlot, 1, "Show graph window (hit 'h' in window for keystroke help)"}, //{"pskdetectclock",CmdDetectPSKClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"}, - {"pskindalademod",CmdIndalaDecode, 1, "[clock] [invert<0|1>] -- Attempt to demodulate psk1 indala tags and output ID binary & hex (args optional)"}, + {"printdemodbuffer",CmdPrintDemodBuff,1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"}, + {"pskindalademod",CmdIndalaDecode, 1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"}, //{"psk1rawdemod", CmdPSK1rawDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate psk1 tags and output binary (args optional)"}, //{"psk2rawdemod", CmdPSK2rawDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate psk2 tags and output binary (args optional)"}, - {"rawdemod", CmdRawDemod, 1, "[modulation] ... -see help (h option) - Attempt to demodulate the data in the GraphBuffer and output binary"}, - {"samples", CmdSamples, 0, "[512 - 40000] -- Get raw samples for graph window"}, + {"rawdemod", CmdRawDemod, 1, "[modulation] ... -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, " -- Save trace (from graph window)"}, {"scale", CmdScale, 1, " -- Set cursor display scale"}, {"setdebugmode", CmdSetDebugMode, 1, "<0|1> -- Turn on or off Debugging Mode for demods"},