X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/389d0360e1b4960f556a696aa97a0703e1815a86..03dc174036b7258baf1ef2504e810a685163137e:/client/cmddata.c?ds=inline diff --git a/client/cmddata.c b/client/cmddata.c index 4b5cb040..a88fa4e1 100644 --- a/client/cmddata.c +++ b/client/cmddata.c @@ -27,46 +27,46 @@ static int CmdHelp(const char *Cmd); //set the demod buffer with given array of binary (one bit per byte) //by marshmellow -void setDemodBuf(uint8_t *buff,int size) +void setDemodBuf(uint8_t *buff,int size) { - int i=0; - for (; i < size; ++i){ - DemodBuffer[i]=buff[i]; - } - DemodBufferLen=size; - return; + int i=0; + for (; i < size; ++i){ + DemodBuffer[i]=buff[i]; + } + DemodBufferLen=size; + return; } //by marshmellow void printDemodBuff() { - uint32_t i = 0; - int bitLen = DemodBufferLen; - if (bitLen<16) { - PrintAndLog("no bits found in demod buffer"); - return; - } - if (bitLen>512) bitLen=512; //max output to 512 bits if we have more - should be plenty - for (i = 0; i <= (bitLen-16); i+=16) { - PrintAndLog("%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i", - DemodBuffer[i], - DemodBuffer[i+1], - DemodBuffer[i+2], - DemodBuffer[i+3], - DemodBuffer[i+4], - DemodBuffer[i+5], - DemodBuffer[i+6], - DemodBuffer[i+7], - DemodBuffer[i+8], - DemodBuffer[i+9], - DemodBuffer[i+10], - DemodBuffer[i+11], - DemodBuffer[i+12], - DemodBuffer[i+13], - DemodBuffer[i+14], - DemodBuffer[i+15]); - } - return; + uint32_t i = 0; + int bitLen = DemodBufferLen; + if (bitLen<16) { + PrintAndLog("no bits found in demod buffer"); + return; + } + if (bitLen>512) bitLen=512; //max output to 512 bits if we have more - should be plenty + for (i = 0; i <= (bitLen-16); i+=16) { + PrintAndLog("%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i", + DemodBuffer[i], + DemodBuffer[i+1], + DemodBuffer[i+2], + DemodBuffer[i+3], + DemodBuffer[i+4], + DemodBuffer[i+5], + DemodBuffer[i+6], + DemodBuffer[i+7], + DemodBuffer[i+8], + DemodBuffer[i+9], + DemodBuffer[i+10], + DemodBuffer[i+11], + DemodBuffer[i+12], + DemodBuffer[i+13], + DemodBuffer[i+14], + DemodBuffer[i+15]); + } + return; } @@ -127,7 +127,7 @@ int Cmdaskdemod(const char *Cmd) sscanf(Cmd, "%i", &c); /* Detect high and lows and clock */ - // (AL - clock???) + // (AL - clock???) for (i = 0; i < GraphTraceLen; ++i) { if (GraphBuffer[i] > high) @@ -198,9 +198,10 @@ void printBitStream(uint8_t BitStream[], uint32_t bitLen) BitStream[i+14], BitStream[i+15]); } - return; + return; } //by marshmellow +//print EM410x ID in multiple formats void printEM410x(uint64_t id) { if (id !=0){ @@ -210,7 +211,7 @@ void printEM410x(uint64_t id) uint32_t i=0; for (ii=5; ii>0;ii--){ for (i=0;i<8;i++){ - id2lo=(id2lo<<1LL)|((id & (iii<<(i+((ii-1)*8))))>>(i+((ii-1)*8))); + id2lo=(id2lo<<1LL) | ((id & (iii << (i+((ii-1)*8)))) >> (i+((ii-1)*8))); } } //output em id @@ -223,18 +224,19 @@ void printEM410x(uint64_t id) PrintAndLog("DEZ 14/IK2 : %014lld",id); PrintAndLog("DEZ 15/IK3 : %015lld",id2lo); PrintAndLog("Other : %05lld_%03lld_%08lld",(id&0xFFFF),((id>>16LL) & 0xFF),(id & 0xFFFFFF)); - } + } return; } //by marshmellow +//take binary from demod buffer and see if we can find an EM410x ID int CmdEm410xDecode(const char *Cmd) { uint64_t id=0; // uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; // uint32_t i=0; // i=getFromGraphBuf(BitStream); - id = Em410xDecode(DemodBuffer,DemodBufferLen); + id = Em410xDecode(DemodBuffer,DemodBufferLen); printEM410x(id); if (id>0) return 1; return 0; @@ -243,37 +245,37 @@ int CmdEm410xDecode(const char *Cmd) //by marshmellow //takes 2 arguments - clock and invert both as integers -//attempts to demodulate ask while decoding manchester +//attempts to demodulate ask while decoding manchester //prints binary found and saves in graphbuffer for further commands int Cmdaskmandemod(const char *Cmd) { - int invert=0; - int clk=0; + int invert=0; + int clk=0; uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - sscanf(Cmd, "%i %i", &clk, &invert); + sscanf(Cmd, "%i %i", &clk, &invert); if (invert != 0 && invert != 1) { PrintAndLog("Invalid argument: %s", Cmd); return 0; } - int BitLen = getFromGraphBuf(BitStream); + size_t BitLen = getFromGraphBuf(BitStream); // PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen); int errCnt=0; errCnt = askmandemod(BitStream, &BitLen,&clk,&invert); - if (errCnt<0||BitLen<16){ //if fatal error (or -1) - // PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk); + if (errCnt<0||BitLen<16){ //if fatal error (or -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); - + //output if (errCnt>0){ PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt); } PrintAndLog("ASK/Manchester decoded bitstream:"); // Now output the bitstream to the scrollback by line of 16 bits - setDemodBuf(BitStream,BitLen); - printDemodBuff(); + setDemodBuf(BitStream,BitLen); + printDemodBuff(); uint64_t lo =0; lo = Em410xDecode(BitStream,BitLen); if (lo>0){ @@ -293,31 +295,31 @@ int Cmdmandecoderaw(const char *Cmd) { int i =0; int errCnt=0; - int bitnum=0; + size_t size=0; uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; int high=0,low=0; - for (;ihigh) high=DemodBuffer[i]; - else if(DemodBuffer[i]high) high=DemodBuffer[i]; + else if(DemodBuffer[i]1 || low <0 ){ PrintAndLog("Error: please raw demod the wave first then mancheseter raw decode"); return 0; } - bitnum=i; - errCnt=manrawdecode(BitStream,&bitnum); + size=i; + errCnt=manrawdecode(BitStream, &size); if (errCnt>=20){ PrintAndLog("Too many errors: %d",errCnt); return 0; } PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt); - printBitStream(BitStream,bitnum); + printBitStream(BitStream, size); if (errCnt==0){ - uint64_t id = 0; - id = Em410xDecode(BitStream,bitnum); - if (id>0) setDemodBuf(BitStream,bitnum); - printEM410x(id); + uint64_t id = 0; + id = Em410xDecode(BitStream, size); + if (id>0) setDemodBuf(BitStream, size); + printEM410x(id); } return 1; } @@ -326,7 +328,7 @@ int Cmdmandecoderaw(const char *Cmd) //biphase decode //take 01 or 10 = 0 and 11 or 00 = 1 //takes 1 argument "offset" default = 0 if 1 it will shift the decode by one bit -// since it is not like manchester and doesn't have an incorrect bit pattern we +// since it is not like manchester and doesn't have an incorrect bit pattern we // cannot determine if our decode is correct or if it should be shifted by one bit // the argument offset allows us to manually shift if the output is incorrect // (better would be to demod and decode at the same time so we can distinguish large @@ -335,29 +337,29 @@ int CmdBiphaseDecodeRaw(const char *Cmd) { int i = 0; int errCnt=0; - int bitnum=0; + size_t size=0; int offset=0; int high=0, low=0; - sscanf(Cmd, "%i", &offset); + sscanf(Cmd, "%i", &offset); uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; //get graphbuffer & high and low - for (;ihigh)high=DemodBuffer[i]; - else if(DemodBuffer[i]high)high=DemodBuffer[i]; + else if(DemodBuffer[i]1 || low <0){ PrintAndLog("Error: please raw demod the wave first then decode"); return 0; } - bitnum=i; - errCnt=BiphaseRawDecode(BitStream,&bitnum, offset); + size=i; + errCnt=BiphaseRawDecode(BitStream, &size, offset); if (errCnt>=20){ PrintAndLog("Too many errors attempting to decode: %d",errCnt); return 0; } PrintAndLog("Biphase Decoded using offset: %d - # errors:%d - data:",offset,errCnt); - printBitStream(BitStream,bitnum); + printBitStream(BitStream, size); PrintAndLog("\nif bitstream does not look right try offset=1"); return 1; } @@ -369,34 +371,34 @@ int CmdBiphaseDecodeRaw(const char *Cmd) //prints binary found and saves in graphbuffer for further commands int Cmdaskrawdemod(const char *Cmd) { - int invert=0; - int clk=0; + int invert=0; + int clk=0; uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - sscanf(Cmd, "%i %i", &clk, &invert); + sscanf(Cmd, "%i %i", &clk, &invert); if (invert != 0 && invert != 1) { PrintAndLog("Invalid argument: %s", Cmd); return 0; } - int BitLen = getFromGraphBuf(BitStream); + size_t BitLen = getFromGraphBuf(BitStream); int errCnt=0; - errCnt = askrawdemod(BitStream, &BitLen,&clk,&invert); - if (errCnt==-1||BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first) - PrintAndLog("no data found"); + errCnt = askrawdemod(BitStream, &BitLen,&clk,&invert); + if (errCnt==-1||BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first) + PrintAndLog("no data found"); return 0; - } + } PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen); //PrintAndLog("Data start pos:%d, lastBit:%d, stop pos:%d, numBits:%d",iii,lastBit,i,bitnum); - //move BitStream back to DemodBuffer - setDemodBuf(BitStream,BitLen); - - //output + //move BitStream back to DemodBuffer + setDemodBuf(BitStream,BitLen); + + //output if (errCnt>0){ 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); - + return 1; } @@ -436,7 +438,7 @@ int CmdBitsamples(const char *Cmd) { int cnt = 0; uint8_t got[12288]; - + GetFromBigBuf(got,sizeof(got),0); WaitForResponse(CMD_ACK,NULL); @@ -509,10 +511,10 @@ int CmdBitstream(const char *Cmd) bit ^= 1; AppendGraph(0, clock, bit); - // for (j = 0; j < (int)(clock/2); j++) - // GraphBuffer[(i * clock) + j] = bit ^ 1; - // for (j = (int)(clock/2); j < clock; j++) - // GraphBuffer[(i * clock) + j] = bit; + // for (j = 0; j < (int)(clock/2); j++) + // GraphBuffer[(i * clock) + j] = bit ^ 1; + // for (j = (int)(clock/2); j < clock; j++) + // GraphBuffer[(i * clock) + j] = bit; } RepaintGraphWindow(); @@ -538,12 +540,12 @@ int CmdDec(const char *Cmd) } /* Print our clock rate */ -// uses data from graphbuffer +// uses data from graphbuffer int CmdDetectClockRate(const char *Cmd) { GetClock("",0,0); - //int clock = DetectASKClock(0); - //PrintAndLog("Auto-detected clock rate: %d", clock); + //int clock = DetectASKClock(0); + //PrintAndLog("Auto-detected clock rate: %d", clock); return 0; } @@ -560,23 +562,23 @@ int CmdFSKrawdemod(const char *Cmd) int fchigh=10; int fclow=8; //set options from parameters entered with the command - sscanf(Cmd, "%i %i %i %i", &rfLen, &invert, &fchigh, &fclow); - + sscanf(Cmd, "%i %i %i %i", &rfLen, &invert, &fchigh, &fclow); + if (strlen(Cmd)>0 && strlen(Cmd)<=2) { //rfLen=param_get8(Cmd, 0); //if rfLen option only is used if (rfLen==1){ invert=1; //if invert option only is used rfLen = 50; } else if(rfLen==0) rfLen=50; - } + } PrintAndLog("Args invert: %d - Clock:%d - fchigh:%d - fclow: %d",invert,rfLen,fchigh, fclow); uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - uint32_t BitLen = getFromGraphBuf(BitStream); - int size = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow); + size_t BitLen = getFromGraphBuf(BitStream); + 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); - + setDemodBuf(BitStream,size); + // 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); @@ -595,18 +597,18 @@ int CmdFSKdemodHID(const char *Cmd) uint32_t hi2=0, hi=0, lo=0; uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - uint32_t BitLen = getFromGraphBuf(BitStream); + size_t BitLen = getFromGraphBuf(BitStream); //get binary from fsk wave - size_t size = HIDdemodFSK(BitStream,BitLen,&hi2,&hi,&lo); + size_t size = HIDdemodFSK(BitStream,BitLen,&hi2,&hi,&lo); if (size<0){ PrintAndLog("Error demoding fsk"); return 0; } if (hi2==0 && hi==0 && lo==0) return 0; if (hi2 != 0){ //extra large HID tags - PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)", + PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)", (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); - setDemodBuf(BitStream,BitLen); + setDemodBuf(BitStream,BitLen); return 1; } else { //standard HID tags <38 bits @@ -616,23 +618,19 @@ int CmdFSKdemodHID(const char *Cmd) uint32_t cardnum = 0; if (((hi>>5)&1)==1){//if bit 38 is set then < 37 bit format is used uint32_t lo2=0; - lo2=(((hi & 15) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit + lo2=(((hi & 31) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit uint8_t idx3 = 1; while(lo2>1){ //find last bit set to 1 (format len bit) lo2=lo2>>1; idx3++; } - fmtLen =idx3+19; + fmtLen =idx3+19; fc =0; cardnum=0; if(fmtLen==26){ cardnum = (lo>>1)&0xFFFF; fc = (lo>>17)&0xFF; } - if(fmtLen==37){ - cardnum = (lo>>1)&0x7FFFF; - fc = ((hi&0xF)<<12)|(lo>>20); - } if(fmtLen==34){ cardnum = (lo>>1)&0xFFFF; fc= ((hi&1)<<15)|(lo>>17); @@ -643,18 +641,18 @@ int CmdFSKdemodHID(const char *Cmd) } } else { //if bit 38 is not set then 37 bit format is used - fmtLen= 37; - fc =0; - cardnum=0; - if(fmtLen==37){ + fmtLen = 37; + fc = 0; + cardnum = 0; + if(fmtLen == 37){ cardnum = (lo>>1)&0x7FFFF; fc = ((hi&0xF)<<12)|(lo>>20); } - } - PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d", + } + PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d", (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF, (unsigned int) fmtLen, (unsigned int) fc, (unsigned int) cardnum); - setDemodBuf(BitStream,BitLen); + setDemodBuf(BitStream,BitLen); return 1; } return 0; @@ -667,14 +665,14 @@ 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; + int idx=0; //something in graphbuffer if (GraphTraceLen < 65) return 0; uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - uint32_t BitLen = getFromGraphBuf(BitStream); + size_t BitLen = getFromGraphBuf(BitStream); //get binary from fsk wave // PrintAndLog("DEBUG: got buff"); - idx = IOdemodFSK(BitStream,BitLen); + idx = IOdemodFSK(BitStream,BitLen); if (idx<0){ //PrintAndLog("Error demoding fsk"); return 0; @@ -696,7 +694,7 @@ int CmdFSKdemodIO(const char *Cmd) //Handle the data if (idx+64>BitLen) return 0; PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx], BitStream[idx+1], BitStream[idx+2], BitStream[idx+3], BitStream[idx+4], BitStream[idx+5], BitStream[idx+6], BitStream[idx+7], BitStream[idx+8]); - PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx+9], BitStream[idx+10], BitStream[idx+11],BitStream[idx+12],BitStream[idx+13],BitStream[idx+14],BitStream[idx+15],BitStream[idx+16],BitStream[idx+17]); + PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx+9], BitStream[idx+10], BitStream[idx+11],BitStream[idx+12],BitStream[idx+13],BitStream[idx+14],BitStream[idx+15],BitStream[idx+16],BitStream[idx+17]); PrintAndLog("%d%d%d%d%d%d%d%d %d facility",BitStream[idx+18], BitStream[idx+19], BitStream[idx+20],BitStream[idx+21],BitStream[idx+22],BitStream[idx+23],BitStream[idx+24],BitStream[idx+25],BitStream[idx+26]); PrintAndLog("%d%d%d%d%d%d%d%d %d version",BitStream[idx+27], BitStream[idx+28], BitStream[idx+29],BitStream[idx+30],BitStream[idx+31],BitStream[idx+32],BitStream[idx+33],BitStream[idx+34],BitStream[idx+35]); PrintAndLog("%d%d%d%d%d%d%d%d %d code1",BitStream[idx+36], BitStream[idx+37], BitStream[idx+38],BitStream[idx+39],BitStream[idx+40],BitStream[idx+41],BitStream[idx+42],BitStream[idx+43],BitStream[idx+44]); @@ -704,16 +702,16 @@ int CmdFSKdemodIO(const char *Cmd) PrintAndLog("%d%d%d%d%d%d%d%d %d%d checksum",BitStream[idx+54],BitStream[idx+55],BitStream[idx+56],BitStream[idx+57],BitStream[idx+58],BitStream[idx+59],BitStream[idx+60],BitStream[idx+61],BitStream[idx+62],BitStream[idx+63]); uint32_t code = bytebits_to_byte(BitStream+idx,32); - uint32_t code2 = bytebits_to_byte(BitStream+idx+32,32); + uint32_t code2 = bytebits_to_byte(BitStream+idx+32,32); uint8_t version = bytebits_to_byte(BitStream+idx+27,8); //14,4 uint8_t facilitycode = bytebits_to_byte(BitStream+idx+18,8) ; uint16_t number = (bytebits_to_byte(BitStream+idx+36,8)<<8)|(bytebits_to_byte(BitStream+idx+45,8)); //36,9 - PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x)",version,facilitycode,number,code,code2); - int i; - for (i=0;i<64;++i) - DemodBuffer[i]=BitStream[idx++]; + PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x)",version,facilitycode,number,code,code2); + int i; + for (i=0;i<64;++i) + DemodBuffer[i]=BitStream[idx++]; - DemodBufferLen=64; + DemodBufferLen=64; return 1; } int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating @@ -736,12 +734,12 @@ int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating int lowLen = sizeof (LowTone) / sizeof (int); int highLen = sizeof (HighTone) / sizeof (int); - int convLen = (highLen > lowLen) ? highLen : lowLen; //if highlen > lowLen then highlen else lowlen + int convLen = (highLen > lowLen) ? highLen : lowLen; uint32_t hi = 0, lo = 0; int i, j; int minMark = 0, maxMark = 0; - + for (i = 0; i < GraphTraceLen - convLen; ++i) { int lowSum = 0, highSum = 0; @@ -802,8 +800,8 @@ int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating PrintAndLog("actual data bits start at sample %d", maxPos); PrintAndLog("length %d/%d", highLen, lowLen); - uint8_t bits[46]; - bits[sizeof(bits)-1] = '\0'; + uint8_t bits[46]; + bits[sizeof(bits)-1] = '\0'; // find bit pairs and manchester decode them for (i = 0; i < arraylen(bits) - 1; ++i) { @@ -837,135 +835,121 @@ int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating int CmdDetectNRZpskClockRate(const char *Cmd) { - GetNRZpskClock("",0,0); - return 0; + GetNRZpskClock("",0,0); + return 0; } int PSKnrzDemod(const char *Cmd){ - int invert=0; - int clk=0; - sscanf(Cmd, "%i %i", &clk, &invert); - if (invert != 0 && invert != 1) { - PrintAndLog("Invalid argument: %s", Cmd); - return -1; - } - uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - int BitLen = getFromGraphBuf(BitStream); - int errCnt=0; - errCnt = pskNRZrawDemod(BitStream, &BitLen,&clk,&invert); - if (errCnt<0|| BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first) - //PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); - return -1; - } - PrintAndLog("Tried PSK/NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen); - - //prime demod buffer for output - setDemodBuf(BitStream,BitLen); - return errCnt; + int invert=0; + int clk=0; + sscanf(Cmd, "%i %i", &clk, &invert); + if (invert != 0 && invert != 1) { + PrintAndLog("Invalid argument: %s", Cmd); + return -1; + } + uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; + size_t BitLen = getFromGraphBuf(BitStream); + int errCnt=0; + errCnt = pskNRZrawDemod(BitStream, &BitLen,&clk,&invert); + if (errCnt<0|| BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first) + //PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); + return -1; + } + PrintAndLog("Tried PSK/NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen); + + //prime demod buffer for output + setDemodBuf(BitStream,BitLen); + return errCnt; } // Indala 26 bit decode // by marshmellow // optional arguments - same as CmdpskNRZrawDemod (clock & invert) int CmdIndalaDecode(const char *Cmd) { - - int ans=PSKnrzDemod(Cmd); - if (ans < 0){ - PrintAndLog("Error1: %d",ans); - return 0; - } - uint8_t invert=0; - ans = indala26decode(DemodBuffer, &DemodBufferLen, &invert); - if (ans < 1) { - PrintAndLog("Error2: %d",ans); - return -1; - } - char showbits[251]; - if(invert==1) PrintAndLog("Had to invert bits"); - //convert UID to HEX - uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7; - int idx; - uid1=0; - uid2=0; - PrintAndLog("BitLen: %d",DemodBufferLen); - if (DemodBufferLen==64){ - for( idx=0; idx<64; idx++) { - uid1=(uid1<<1)|(uid2>>31); - if (DemodBuffer[idx] == 0) { - uid2=(uid2<<1)|0; - showbits[idx]='0'; - } else { - uid2=(uid2<<1)|1; - showbits[idx]='1'; - } + uint8_t verbose = 1; + int ans; + if (strlen(Cmd)>0){ + if (Cmd[0]=='0'){ + verbose=0; + ans = PSKnrzDemod("32"); + }else{ + ans = PSKnrzDemod(Cmd); } - showbits[idx]='\0'; - PrintAndLog("Indala UID=%s (%x%08x)", showbits, uid1, uid2); - } - else { - uid3=0; - uid4=0; - uid5=0; - uid6=0; - uid7=0; - for( idx=0; idx>31); - uid2=(uid2<<1)|(uid3>>31); - uid3=(uid3<<1)|(uid4>>31); - uid4=(uid4<<1)|(uid5>>31); - uid5=(uid5<<1)|(uid6>>31); - uid6=(uid6<<1)|(uid7>>31); - if (DemodBuffer[idx] == 0) { - uid7=(uid7<<1)|0; - showbits[idx]='0'; - } - else { - uid7=(uid7<<1)|1; - showbits[idx]='1'; - } - } - showbits[idx]='\0'; - PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7); - } - return 1; + } else{ //default to RF/32 + ans = PSKnrzDemod("32"); + } + + if (ans < 0){ + if (verbose) + PrintAndLog("Error1: %d",ans); + return 0; + } + uint8_t invert=0; + ans = indala26decode(DemodBuffer,(size_t *) &DemodBufferLen, &invert); + if (ans < 1) { + if (verbose) + PrintAndLog("Error2: %d",ans); + return -1; + } + char showbits[251]; + if (invert) + if (verbose) + PrintAndLog("Had to invert bits"); + //convert UID to HEX + uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7; + int idx; + uid1=0; + uid2=0; + PrintAndLog("BitLen: %d",DemodBufferLen); + if (DemodBufferLen==64){ + for( idx=0; idx<64; idx++) { + uid1=(uid1<<1)|(uid2>>31); + if (DemodBuffer[idx] == 0) { + uid2=(uid2<<1)|0; + showbits[idx]='0'; + } else { + uid2=(uid2<<1)|1; + showbits[idx]='1'; + } + } + showbits[idx]='\0'; + PrintAndLog("Indala UID=%s (%x%08x)", showbits, uid1, uid2); + } + else { + uid3=0; + uid4=0; + uid5=0; + uid6=0; + uid7=0; + for( idx=0; idx>31); + uid2=(uid2<<1)|(uid3>>31); + uid3=(uid3<<1)|(uid4>>31); + uid4=(uid4<<1)|(uid5>>31); + uid5=(uid5<<1)|(uid6>>31); + uid6=(uid6<<1)|(uid7>>31); + if (DemodBuffer[idx] == 0) { + uid7=(uid7<<1)|0; + showbits[idx]='0'; + } + else { + uid7=(uid7<<1)|1; + showbits[idx]='1'; + } + } + showbits[idx]='\0'; + PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7); + } + return 1; } -/* -//by marshmellow (attempt to get rid of high immediately after a low) -void pskCleanWave2(uint8_t *bitStream, int bitLen) -{ - int i; - int low=128; - int gap = 4; - // int loopMax = 2048; - int newLow=0; - - for (i=0; i0){ - PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt); - } - PrintAndLog("PSK or NRZ demoded bitstream:"); - // Now output the bitstream to the scrollback by line of 16 bits - printDemodBuff(); - - return 1; + uint8_t verbose = 1; + int errCnt; + if (strlen(Cmd)>0){ + if (Cmd[0]=='0') + verbose=0; + } + + errCnt = PSKnrzDemod(Cmd); + //output + if (errCnt<0) return 0; + if (errCnt>0){ + if (verbose) + PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt); + } + PrintAndLog("PSK or NRZ demoded bitstream:"); + // Now output the bitstream to the scrollback by line of 16 bits + printDemodBuff(); + + return 1; } - - int CmdGrid(const char *Cmd) { sscanf(Cmd, "%i %i", &PlotGridX, &PlotGridY); @@ -1006,7 +996,7 @@ int CmdHexsamples(const char *Cmd) char string_buf[25]; char* string_ptr = string_buf; uint8_t got[40000]; - + sscanf(Cmd, "%i %i", &requested, &offset); /* if no args send something */ @@ -1016,7 +1006,7 @@ int CmdHexsamples(const char *Cmd) if (offset + requested > sizeof(got)) { PrintAndLog("Tried to read past end of buffer, + > 40000"); return 0; - } + } GetFromBigBuf(got,requested,offset); WaitForResponse(CMD_ACK,NULL); @@ -1036,8 +1026,8 @@ int CmdHexsamples(const char *Cmd) *(string_ptr - 1) = '\0'; PrintAndLog("%s", string_buf); string_buf[0] = '\0'; - } } + } return 0; } @@ -1064,22 +1054,21 @@ int CmdHpf(const char *Cmd) int CmdSamples(const char *Cmd) { - int cnt = 0; - int n; - uint8_t got[40000]; + uint8_t got[40000]; + + int n = strtol(Cmd, NULL, 0); + if (n == 0) + n = 20000; + + if (n > sizeof(got)) + n = sizeof(got); - n = strtol(Cmd, NULL, 0); - if (n == 0) n = 6000; - if (n > sizeof(got)) n = sizeof(got); - - PrintAndLog("Reading %d samples\n", n); + PrintAndLog("Reading %d samples from device memory\n", n); GetFromBigBuf(got,n,0); WaitForResponse(CMD_ACK,NULL); - for (int j = 0; j < n; j++) { - GraphBuffer[cnt++] = ((int)got[j]) - 128; + for (int j = 0; j < n; j++) { + GraphBuffer[j] = ((int)got[j]) - 128; } - - PrintAndLog("Done!\n"); GraphTraceLen = n; RepaintGraphWindow(); return 0; @@ -1087,29 +1076,68 @@ int CmdSamples(const char *Cmd) int CmdTuneSamples(const char *Cmd) { - int cnt = 0; - int n = 255; - uint8_t got[255]; + int timeout = 0; + printf("\nMeasuring antenna characteristics, please wait..."); + + UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING}; + SendCommand(&c); + + UsbCommand resp; + while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING,&resp,1000)) { + timeout++; + printf("."); + if (timeout > 7) { + PrintAndLog("\nNo response from Proxmark. Aborting..."); + return 1; + } + } + + int peakv, peakf; + int vLf125, vLf134, vHf; + vLf125 = resp.arg[0] & 0xffff; + vLf134 = resp.arg[0] >> 16; + vHf = resp.arg[1] & 0xffff;; + peakf = resp.arg[2] & 0xffff; + peakv = resp.arg[2] >> 16; + PrintAndLog(""); + PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125/1000.0); + 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) + PrintAndLog("# Your LF antenna is unusable."); + else if (peakv<10000) + PrintAndLog("# Your LF antenna is marginal."); + if (vHf<2000) + PrintAndLog("# Your HF antenna is unusable."); + else if (vHf<5000) + PrintAndLog("# Your HF antenna is marginal."); + + for (int i = 0; i < 256; i++) { + GraphBuffer[i] = resp.d.asBytes[i] - 128; + } - PrintAndLog("Reading %d samples\n", n); - GetFromBigBuf(got,n,7256); // armsrc/apps.h: #define FREE_BUFFER_OFFSET 7256 - WaitForResponse(CMD_ACK,NULL); - for (int j = 0; j < n; j++) { - GraphBuffer[cnt++] = ((int)got[j]) - 128; - } - PrintAndLog("Done! Divisor 89 is 134khz, 95 is 125khz.\n"); PrintAndLog("\n"); - GraphTraceLen = n; - RepaintGraphWindow(); + GraphTraceLen = 256; + ShowGraphWindow(); + return 0; } + int CmdLoad(const char *Cmd) { - FILE *f = fopen(Cmd, "r"); + char filename[FILE_PATH_SIZE] = {0x00}; + int len = 0; + + len = strlen(Cmd); + if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; + memcpy(filename, Cmd, len); + + FILE *f = fopen(filename, "r"); if (!f) { - PrintAndLog("couldn't open '%s'", Cmd); + PrintAndLog("couldn't open '%s'", filename); return 0; } @@ -1399,9 +1427,9 @@ int CmdNorm(const char *Cmd) if (max != min) { for (i = 0; i < GraphTraceLen; ++i) { - GraphBuffer[i] = (GraphBuffer[i] - ((max + min) / 2)) * 256 / - (max - min); - //marshmelow: adjusted *1000 to *256 to make +/- 128 so demod commands still work + GraphBuffer[i] = (GraphBuffer[i] - ((max + min) / 2)) * 256 / + (max - min); + //marshmelow: adjusted *1000 to *256 to make +/- 128 so demod commands still work } } RepaintGraphWindow(); @@ -1416,9 +1444,17 @@ int CmdPlot(const char *Cmd) int CmdSave(const char *Cmd) { - FILE *f = fopen(Cmd, "w"); + char filename[FILE_PATH_SIZE] = {0x00}; + int len = 0; + + len = strlen(Cmd); + if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; + memcpy(filename, Cmd, len); + + + FILE *f = fopen(filename, "w"); if(!f) { - PrintAndLog("couldn't open '%s'", Cmd); + PrintAndLog("couldn't open '%s'", filename); return 0; } int i; @@ -1459,12 +1495,12 @@ int CmdDirectionalThreshold(const char *Cmd) { int8_t upThres = param_get8(Cmd, 0); int8_t downThres = param_get8(Cmd, 1); - + printf("Applying Up Threshold: %d, Down Threshold: %d\n", upThres, downThres); - + int lastValue = GraphBuffer[0]; GraphBuffer[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in. - + for (int i = 1; i < GraphTraceLen; ++i) { // Apply first threshold to samples heading up if (GraphBuffer[i] >= upThres && GraphBuffer[i] > lastValue) @@ -1519,26 +1555,26 @@ int CmdZerocrossings(const char *Cmd) return 0; } -static command_t CommandTable[] = +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"}, - {"askmandemod", Cmdaskmandemod, 1, "[clock] [invert<0 or 1>] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional[clock will try Auto-detect])"}, - {"askrawdemod", Cmdaskrawdemod, 1, "[clock] [invert<0 or 1>] -- Attempt to demodulate ASK tags and output binary (args optional[clock will try Auto-detect])"}, + {"askmandemod", Cmdaskmandemod, 1, "[clock] [invert<0|1>] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional[clock will try Auto-detect])"}, + {"askrawdemod", Cmdaskrawdemod, 1, "[clock] [invert<0|1>] -- Attempt to demodulate ASK tags and output binary (args optional[clock will try Auto-detect])"}, {"autocorr", CmdAutoCorr, 1, " -- Autocorrelation over window"}, {"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] Biphase decode binary stream already in graph buffer (offset = bit to start decode from)"}, {"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, "Detect ASK, PSK, or NRZ clock rate"}, + {"detectclock", CmdDetectClockRate, 1, "Detect ASK clock rate"}, {"fskdemod", CmdFSKdemod, 1, "Demodulate graph window as a HID FSK"}, {"fskhiddemod", CmdFSKdemodHID, 1, "Demodulate graph window as a HID FSK using raw"}, {"fskiodemod", CmdFSKdemodIO, 1, "Demodulate graph window as an IO Prox FSK using raw"}, - {"fskrawdemod", CmdFSKrawdemod, 1, "[clock rate] [invert] [rchigh] [rclow] Demodulate graph window from FSK to binary (clock = 50)(invert = 1 or 0)(rchigh = 10)(rclow=8)"}, + {"fskrawdemod", CmdFSKrawdemod, 1, "[clock rate] [invert] [rchigh] [rclow] Demodulate graph window from FSK to binary (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"}, + {"hexsamples", CmdHexsamples, 0, " [] -- Dump big buffer as hex bytes"}, {"hide", CmdHide, 1, "Hide graph window"}, {"hpf", CmdHpf, 1, "Remove DC offset from trace"}, {"load", CmdLoad, 1, " -- Load trace (to graph window"}, @@ -1547,18 +1583,18 @@ static command_t CommandTable[] = {"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"}, {"manmod", CmdManchesterMod, 1, "[clock rate] -- Manchester modulate a binary stream"}, - {"norm", CmdNorm, 1, "Normalize max/min to +/-128"}, + {"norm", CmdNorm, 1, "Normalize max/min to +/-128"}, {"plot", CmdPlot, 1, "Show graph window (hit 'h' in window for keystroke help)"}, - {"pskclean", CmdPskClean, 1, "Attempt to clean psk wave"}, - {"pskdetectclock",CmdDetectNRZpskClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"}, - {"pskindalademod",CmdIndalaDecode, 1, "[clock] [invert<0 or 1>] -- Attempt to demodulate psk indala tags and output ID binary & hex (args optional[clock will try Auto-detect])"}, - {"psknrzrawdemod",CmdpskNRZrawDemod, 1, "[clock] [invert<0 or 1>] -- Attempt to demodulate psk or nrz tags and output binary (args optional[clock will try Auto-detect])"}, + {"pskclean", CmdPskClean, 1, "Attempt to clean psk wave"}, + {"pskdetectclock",CmdDetectNRZpskClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"}, + {"pskindalademod",CmdIndalaDecode, 1, "[clock] [invert<0|1>] -- Attempt to demodulate psk indala tags and output ID binary & hex (args optional[clock will try Auto-detect])"}, + {"psknrzrawdemod",CmdpskNRZrawDemod, 1, "[clock] [invert<0|1>] -- Attempt to demodulate psk or nrz tags and output binary (args optional[clock will try Auto-detect])"}, {"samples", CmdSamples, 0, "[512 - 40000] -- Get raw samples for graph window"}, {"save", CmdSave, 1, " -- Save trace (from graph window)"}, {"scale", CmdScale, 1, " -- Set cursor display scale"}, {"threshold", CmdThreshold, 1, " -- Maximize/minimize every value in the graph window depending on threshold"}, - {"dirthreshold", CmdDirectionalThreshold, 1, " -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."}, - {"tune", CmdTuneSamples, 0, "Get hw tune samples for graph window"}, + {"dirthreshold", CmdDirectionalThreshold, 1, " -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."}, + {"tune", CmdTuneSamples, 0, "Get hw tune samples for graph window"}, {"zerocrossings", CmdZerocrossings, 1, "Count time between zero-crossings"}, {NULL, NULL, 0, NULL} };