X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/2da2e9283771f20e4fb809709ea1c97c0636e455..refs/pull/256/head:/client/cmddata.c?ds=sidebyside diff --git a/client/cmddata.c b/client/cmddata.c index bec1b5aa..2444fb32 100644 --- a/client/cmddata.c +++ b/client/cmddata.c @@ -8,26 +8,31 @@ // Data and Graph commands //----------------------------------------------------------------------------- -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <limits.h> -#include "proxmark3.h" -#include "data.h" -#include "ui.h" -#include "graph.h" -#include "cmdparser.h" +#include <stdio.h> // also included in util.h +#include <string.h> // also included in util.h +#include <inttypes.h> +#include <limits.h> // for CmdNorm INT_MIN && INT_MAX +#include "data.h" // also included in util.h +#include "cmddata.h" #include "util.h" #include "cmdmain.h" -#include "cmddata.h" -#include "lfdemod.h" -#include "usb_cmd.h" -#include "crc.h" -#include "crc16.h" +#include "proxmark3.h" +#include "ui.h" // for show graph controls +#include "graph.h" // for graph data +#include "cmdparser.h"// already included in cmdmain.h +#include "usb_cmd.h" // already included in cmdmain.h and proxmark3.h +#include "lfdemod.h" // for demod code +#include "crc.h" // for pyramid checksum maxim +#include "crc16.h" // for FDXB demod checksum +#include "loclass/cipherutils.h" // for decimating samples in getsamples +#include "cmdlfem4x.h"// for em410x demod uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN]; -uint8_t g_debugMode; -size_t DemodBufferLen; +uint8_t g_debugMode=0; +size_t DemodBufferLen=0; +//size_t g_demodStartIdx=0; +//uint8_t g_demodClock=0; + static int CmdHelp(const char *Cmd); //set the demod buffer with given array of binary (one bit per byte) @@ -57,11 +62,12 @@ int CmdSetDebugMode(const char *Cmd) } 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; } @@ -86,7 +92,8 @@ 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) { @@ -102,10 +109,16 @@ 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; @@ -115,18 +128,17 @@ 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); } else { - //setDemodBuf(DemodBuffer, DemodBufferLen-offset, offset); - char *bin = sprint_bin_break(DemodBuffer+offset,numBits,16); - PrintAndLog("DemodBuffer:\n%s",bin); + PrintAndLog("DemodBuffer:\n%s", sprint_bin_break(DemodBuffer+offset,numBits,16)); } return 1; } @@ -148,173 +160,22 @@ int CmdGetBitStream(const char *Cmd) return 0; } -//by marshmellow -//print 64 bit EM410x ID in multiple formats -void printEM410x(uint32_t hi, uint64_t id) -{ - if (id || hi){ - uint64_t iii=1; - uint64_t id2lo=0; - uint32_t ii=0; - 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))); - } - } - if (hi){ - //output 88 bit em id - PrintAndLog("\nEM TAG ID : %06X%016llX", hi, id); - } else{ - //output 40 bit em id - PrintAndLog("\nEM TAG ID : %010llX", id); - PrintAndLog("Unique TAG ID : %010llX", id2lo); - PrintAndLog("\nPossible de-scramble patterns"); - PrintAndLog("HoneyWell IdentKey {"); - PrintAndLog("DEZ 8 : %08lld",id & 0xFFFFFF); - PrintAndLog("DEZ 10 : %010lld",id & 0xFFFFFFFF); - PrintAndLog("DEZ 5.5 : %05lld.%05lld",(id>>16LL) & 0xFFFF,(id & 0xFFFF)); - PrintAndLog("DEZ 3.5A : %03lld.%05lld",(id>>32ll),(id & 0xFFFF)); - PrintAndLog("DEZ 3.5B : %03lld.%05lld",(id & 0xFF000000) >> 24,(id & 0xFFFF)); - PrintAndLog("DEZ 3.5C : %03lld.%05lld",(id & 0xFF0000) >> 16,(id & 0xFFFF)); - PrintAndLog("DEZ 14/IK2 : %014lld",id); - PrintAndLog("DEZ 15/IK3 : %015lld",id2lo); - PrintAndLog("DEZ 20/ZK : %02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld", - (id2lo & 0xf000000000) >> 36, - (id2lo & 0x0f00000000) >> 32, - (id2lo & 0x00f0000000) >> 28, - (id2lo & 0x000f000000) >> 24, - (id2lo & 0x0000f00000) >> 20, - (id2lo & 0x00000f0000) >> 16, - (id2lo & 0x000000f000) >> 12, - (id2lo & 0x0000000f00) >> 8, - (id2lo & 0x00000000f0) >> 4, - (id2lo & 0x000000000f) - ); - uint64_t paxton = (((id>>32) << 24) | (id & 0xffffff)) + 0x143e00; - PrintAndLog("}\nOther : %05lld_%03lld_%08lld",(id&0xFFFF),((id>>16LL) & 0xFF),(id & 0xFFFFFF)); - PrintAndLog("Pattern Paxton : %lld [0x%llX]", paxton, paxton); - - uint32_t p1id = (id & 0xFFFFFF); - uint8_t arr[32] = {0x00}; - int i =0; - int j = 23; - for (; i < 24; ++i, --j ){ - arr[i] = (p1id >> i) & 1; - } - - uint32_t p1 = 0; - - p1 |= arr[23] << 21; - p1 |= arr[22] << 23; - p1 |= arr[21] << 20; - p1 |= arr[20] << 22; - - p1 |= arr[19] << 18; - p1 |= arr[18] << 16; - p1 |= arr[17] << 19; - p1 |= arr[16] << 17; - - p1 |= arr[15] << 13; - p1 |= arr[14] << 15; - p1 |= arr[13] << 12; - p1 |= arr[12] << 14; - - p1 |= arr[11] << 6; - p1 |= arr[10] << 2; - p1 |= arr[9] << 7; - p1 |= arr[8] << 1; - - p1 |= arr[7] << 0; - p1 |= arr[6] << 8; - p1 |= arr[5] << 11; - p1 |= arr[4] << 3; - - p1 |= arr[3] << 10; - p1 |= arr[2] << 4; - p1 |= arr[1] << 5; - p1 |= arr[0] << 9; - PrintAndLog("Pattern 1 : %d [0x%X]", p1, p1); - - uint16_t sebury1 = id & 0xFFFF; - uint8_t sebury2 = (id >> 16) & 0x7F; - uint32_t sebury3 = id & 0x7FFFFF; - PrintAndLog("Pattern Sebury : %d %d %d [0x%X 0x%X 0x%X]", sebury1, sebury2, sebury3, sebury1, sebury2, sebury3); - } - } - return; -} - -int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo ) -{ - size_t idx = 0; - size_t BitLen = DemodBufferLen; - uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - memcpy(BitStream, DemodBuffer, BitLen); - if (Em410xDecode(BitStream, &BitLen, &idx, hi, lo)){ - //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: "); - printEM410x(*hi, *lo); - } - return 1; - } - return 0; -} - -int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose) -{ - if (!ASKDemod(Cmd, FALSE, FALSE, 1)) return 0; - return AskEm410xDecode(verbose, hi, lo); -} - -//by marshmellow -//takes 3 arguments - clock, invert and maxErr as integers -//attempts to demodulate ask while decoding manchester -//prints binary found and saves in graphbuffer for further commands -int CmdAskEM410xDemod(const char *Cmd) -{ - char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data askem410xdemod [clock] <0|1> [maxError]"); - PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); - PrintAndLog(" <invert>, 1 for invert output"); - PrintAndLog(" [set maximum allowed errors], default = 100."); - PrintAndLog(""); - PrintAndLog(" sample: data askem410xdemod = demod an EM410x Tag ID from GraphBuffer"); - PrintAndLog(" : data askem410xdemod 32 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32"); - PrintAndLog(" : data askem410xdemod 32 1 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data"); - PrintAndLog(" : data askem410xdemod 1 = demod an EM410x Tag ID from GraphBuffer while inverting data"); - PrintAndLog(" : data askem410xdemod 64 1 0 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/64 and inverting data and allowing 0 demod errors"); - return 0; - } - uint64_t lo = 0; - uint32_t hi = 0; - return AskEm410xDemod(Cmd, &hi, &lo, true); -} - //by marshmellow //Cmd Args: Clock, invert, maxErr, maxLen as integers and amplify as char == 'a' // (amp may not be needed anymore) //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; int maxLen=0; - uint8_t askAmp = 0; + uint8_t askamp = 0; 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; @@ -323,18 +184,31 @@ int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType) invert=1; clk=0; } - if (amp == 'a' || amp == 'A') askAmp=1; size_t BitLen = getFromGraphBuf(BitStream); if (g_debugMode) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen); - if (BitLen<255) return 0; - if (maxLen<BitLen && maxLen != 0) BitLen = maxLen; - - int errCnt = askdemod(BitStream, &BitLen, &clk, &invert, maxErr, askAmp, askType); + if (BitLen < 255) return 0; + if (maxLen < BitLen && maxLen != 0) BitLen = maxLen; + int foundclk = 0; + //amp before ST check + if (amp == 'a' || amp == 'A') { + askAmp(BitStream, BitLen); + } + bool st = false; + size_t ststart = 0, stend = 0; + if (*stCheck) st = DetectST_ext(BitStream, &BitLen, &foundclk, &ststart, &stend); + if (st) { + *stCheck = st; + clk = (clk == 0) ? foundclk : clk; + CursorCPos = ststart; + CursorDPos = stend; + if (verbose || g_debugMode) PrintAndLog("\nFound Sequence Terminator - First one is shown by orange and blue graph markers"); + } + 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 0; } - if (errCnt>maxErr){ + if (errCnt > maxErr){ if (g_debugMode) PrintAndLog("DEBUG: Too many errors found, errors:%d, bits:%d, clock:%d",errCnt, BitLen, clk); return 0; } @@ -357,6 +231,10 @@ int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType) } 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' @@ -365,8 +243,9 @@ int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType) int Cmdaskmandemod(const char *Cmd) { char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data rawdemod am [clock] <invert> [maxError] [maxLen] [amplify]"); + if (strlen(Cmd) > 45 || cmdp == 'h' || cmdp == 'H') { + 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"); @@ -380,7 +259,13 @@ int Cmdaskmandemod(const char *Cmd) 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 ASKDemod(Cmd, TRUE, TRUE, 1); + 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); } //by marshmellow @@ -419,7 +304,8 @@ int Cmdmandecoderaw(const char *Cmd) sscanf(Cmd, "%i %i", &invert, &maxErr); size=i; - errCnt=manrawdecode(BitStream, &size, invert); + uint8_t alignPos = 0; + errCnt=manrawdecode(BitStream, &size, invert, &alignPos); if (errCnt>=maxErr){ PrintAndLog("Too many errors: %d",errCnt); return 0; @@ -555,92 +441,14 @@ int Cmdaskbiphdemod(const char *Cmd) PrintAndLog(" : data rawdemod ab 0 64 1 0 0 a = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp"); return 0; } - return ASKbiphaseDemod(Cmd, TRUE); -} - -//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) -{ - if (!ASKbiphaseDemod(Cmd, FALSE)){ - if (g_debugMode) PrintAndLog("ASKbiphaseDemod failed 1st try"); - return 0; - } - size_t size = DemodBufferLen; - //call lfdemod.c demod for gProxII - int ans = gProxII_Demod(DemodBuffer, &size); - if (ans < 0){ - if (g_debugMode) PrintAndLog("Error gProxII_Demod"); - return 0; - } - //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<size-6; idx++){ - 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); - return 0; - } - continue; - } - if (keyCnt<8){ //lsb first - xorKey = 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); - bitCnt++; - if (bitCnt % 8 == 0){ - if (g_debugMode) PrintAndLog("byte %d: %02x",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]); - } - //now ByteStream contains 64 bytes of decrypted raw tag data - // - uint8_t fmtLen = ByteStream[0]>>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); - setDemodBuf(DemodBuffer+ans, 96, 0); - return 1; + return ASKbiphaseDemod(Cmd, true); } //by marshmellow - see ASKDemod int Cmdaskrawdemod(const char *Cmd) { char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') { + if (strlen(Cmd) > 35 || cmdp == 'h' || cmdp == 'H') { PrintAndLog("Usage: data rawdemod ar [clock] <invert> [maxError] [maxLen] [amplify]"); PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); PrintAndLog(" <invert>, 1 to invert output"); @@ -657,7 +465,7 @@ int Cmdaskrawdemod(const char *Cmd) PrintAndLog(" : data rawdemod ar 64 1 0 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 ASKDemod(Cmd, TRUE, FALSE, 0); + return ASKDemod(Cmd, true, false, 0); } int AutoCorrelate(int window, bool SaveGrph, bool verbose) @@ -722,7 +530,7 @@ int CmdAutoCorr(const char *Cmd) return usage_data_autocorr(); int window = 4000; //set default char grph=0; - bool updateGrph = FALSE; + bool updateGrph = false; sscanf(Cmd, "%i %c", &window, &grph); if (window >= GraphTraceLen) { @@ -730,8 +538,8 @@ int CmdAutoCorr(const char *Cmd) GraphTraceLen); return 0; } - if (grph == 'g') updateGrph=TRUE; - return AutoCorrelate(window, updateGrph, TRUE); + if (grph == 'g') updateGrph=true; + return AutoCorrelate(window, updateGrph, true); } int CmdBitsamples(const char *Cmd) @@ -796,16 +604,18 @@ int CmdUndec(const char *Cmd) 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) + uint32_t g_index = 0, s_index = 0; + 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; @@ -839,13 +649,15 @@ int CmdGraphShiftZero(const char *Cmd) int CmdAskEdgeDetect(const char *Cmd) { int thresLen = 25; + int Last = 0; sscanf(Cmd, "%i", &thresLen); for(int i = 1; i<GraphTraceLen; i++){ if (GraphBuffer[i]-GraphBuffer[i-1]>=thresLen) //large jump up - GraphBuffer[i-1] = 127; + Last = 127; else if(GraphBuffer[i]-GraphBuffer[i-1]<=-1*thresLen) //large jump down - GraphBuffer[i-1] = -127; + Last = -127; + GraphBuffer[i-1] = Last; } RepaintGraphWindow(); return 0; @@ -885,19 +697,21 @@ 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; } @@ -909,55 +723,53 @@ 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; //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; @@ -970,7 +782,7 @@ int FSKrawDemod(const char *Cmd, bool verbose) int CmdFSKrawdemod(const char *Cmd) { char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { + if (strlen(Cmd) > 20 || cmdp == 'h' || cmdp == 'H') { PrintAndLog("Usage: data rawdemod fs [clock] <invert> [fchigh] [fclow]"); PrintAndLog(" [set clock as integer] optional, omit for autodetect."); PrintAndLog(" <invert>, 1 for invert output, can be used even if the clock is omitted"); @@ -986,93 +798,7 @@ int CmdFSKrawdemod(const char *Cmd) 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 -int CmdFSKdemodHID(const char *Cmd) -{ - //raw fsk demod no manchester decoding no start bit finding just get binary from wave - uint32_t hi2=0, hi=0, lo=0; - - uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - size_t BitLen = getFromGraphBuf(BitStream); - if (BitLen==0) return 0; - //get binary from fsk wave - int idx = HIDdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo); - if (idx<0){ - if (g_debugMode){ - if (idx==-1){ - PrintAndLog("DEBUG: Just Noise Detected"); - } else if (idx == -2) { - PrintAndLog("DEBUG: Error demoding fsk"); - } else if (idx == -3) { - PrintAndLog("DEBUG: Preamble not found"); - } else if (idx == -4) { - PrintAndLog("DEBUG: Error in Manchester data, SIZE: %d", BitLen); - } else { - PrintAndLog("DEBUG: Error demoding fsk %d", idx); - } - } - return 0; - } - if (hi2==0 && hi==0 && lo==0) { - if (g_debugMode) PrintAndLog("DEBUG: Error - no values found"); - return 0; - } - if (hi2 != 0){ //extra large HID tags - PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)", - (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); - } - else { //standard HID tags <38 bits - uint8_t fmtLen = 0; - uint32_t fc = 0; - 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 & 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; - fc =0; - cardnum=0; - if(fmtLen==26){ - cardnum = (lo>>1)&0xFFFF; - fc = (lo>>17)&0xFF; - } - if(fmtLen==34){ - cardnum = (lo>>1)&0xFFFF; - fc= ((hi&1)<<15)|(lo>>17); - } - if(fmtLen==35){ - cardnum = (lo>>1)&0xFFFFF; - fc = ((hi&1)<<11)|(lo>>21); - } - } - else { //if bit 38 is not set then 37 bit format is used - 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", - (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF, - (unsigned int) fmtLen, (unsigned int) fc, (unsigned int) cardnum); - } - setDemodBuf(BitStream,BitLen,idx); - if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); - printDemodBuff(); - } - return 1; + return FSKrawDemod(Cmd, true); } //by marshmellow @@ -1124,415 +850,6 @@ int CmdFSKdemodParadox(const char *Cmd) return 1; } -//by marshmellow -//IO-Prox demod - FSK RF/64 with preamble of 000000001 -//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) { - if (g_debugMode)PrintAndLog("DEBUG: not enough samples in GraphBuffer"); - return 0; - } - uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - size_t BitLen = getFromGraphBuf(BitStream); - if (BitLen==0) return 0; - - //get binary from fsk wave - idx = IOdemodFSK(BitStream,BitLen); - if (idx<0){ - if (g_debugMode){ - if (idx==-1){ - PrintAndLog("DEBUG: Just Noise Detected"); - } else if (idx == -2) { - PrintAndLog("DEBUG: not enough samples"); - } else if (idx == -3) { - PrintAndLog("DEBUG: error during fskdemod"); - } else if (idx == -4) { - PrintAndLog("DEBUG: Preamble not found"); - } else if (idx == -5) { - PrintAndLog("DEBUG: Separator bits not found"); - } else { - PrintAndLog("DEBUG: Error demoding fsk %d", idx); - } - } - return 0; - } - if (idx==0){ - if (g_debugMode){ - PrintAndLog("DEBUG: IO Prox Data not found - FSK Bits: %d",BitLen); - if (BitLen > 92) PrintAndLog("%s", sprint_bin_break(BitStream,92,16)); - } - return 0; - } - //Index map - //0 10 20 30 40 50 60 - //| | | | | | | - //01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23 - //----------------------------------------------------------------------------- - //00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11 - // - //XSF(version)facility:codeone+codetwo (raw) - //Handle the data - if (idx+64>BitLen) { - if (g_debugMode) PrintAndLog("not enough bits found - bitlen: %d",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 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]); - PrintAndLog("%d%d%d%d%d%d%d%d %d code2",BitStream[idx+45], BitStream[idx+46], BitStream[idx+47],BitStream[idx+48],BitStream[idx+49],BitStream[idx+50],BitStream[idx+51],BitStream[idx+52],BitStream[idx+53]); - 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); - 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 - uint8_t crc = bytebits_to_byte(BitStream+idx+54,8); - uint16_t calccrc = 0; - - for (uint8_t i=1; i<6; ++i){ - calccrc += bytebits_to_byte(BitStream+idx+9*i,8); - } - calccrc &= 0xff; - calccrc = 0xff - calccrc; - - char *crcStr = (crc == calccrc) ? "crc ok": "!crc"; - - PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x) [%02x %s]",version,facilitycode,number,code,code2, crc, crcStr); - setDemodBuf(BitStream,64,idx); - if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx,64); - printDemodBuff(); - } - return 1; -} - -//by marshmellow -//AWID Prox demod - FSK RF/50 with preamble of 00000001 (always a 96 bit data stream) -//print full AWID Prox ID and some bit format details if found -int CmdFSKdemodAWID(const char *Cmd) -{ - - //int verbose=1; - //sscanf(Cmd, "%i", &verbose); - - //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; - - //get binary from fsk wave - int idx = AWIDdemodFSK(BitStream, &size); - if (idx<=0){ - if (g_debugMode==1){ - if (idx == -1) - PrintAndLog("DEBUG: Error - not enough samples"); - else if (idx == -2) - PrintAndLog("DEBUG: Error - only noise found"); - else if (idx == -3) - PrintAndLog("DEBUG: Error - problem during FSK demod"); - else if (idx == -4) - PrintAndLog("DEBUG: Error - AWID preamble not found"); - else if (idx == -5) - PrintAndLog("DEBUG: Error - Size not correct: %d", size); - else - PrintAndLog("DEBUG: Error %d",idx); - } - return 0; - } - - // Index map - // 0 10 20 30 40 50 60 - // | | | | | | | - // 01234567 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 - to 96 - // ----------------------------------------------------------------------------- - // 00000001 000 1 110 1 101 1 011 1 101 1 010 0 000 1 000 1 010 0 001 0 110 1 100 0 000 1 000 1 - // premable bbb o bbb o bbw o fff o fff o ffc o ccc o ccc o ccc o ccc o ccc o wxx o xxx o xxx o - to 96 - // |---26 bit---| |-----117----||-------------142-------------| - // b = format bit len, o = odd parity of last 3 bits - // f = facility code, c = card number - // w = wiegand parity - // (26 bit format shown) - - //get raw ID before removing parities - 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); - setDemodBuf(BitStream,96,idx); - - size = removeParity(BitStream, idx+8, 4, 1, 88); - if (size != 66){ - if (g_debugMode==1) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format"); - return 0; - } - // ok valid card found! - - // Index map - // 0 10 20 30 40 50 60 - // | | | | | | | - // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456 - // ----------------------------------------------------------------------------- - // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000 - // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx - // |26 bit| |-117--| |-----142------| - // b = format bit len, o = odd parity of last 3 bits - // f = facility code, c = card number - // w = wiegand parity - // (26 bit format shown) - - uint32_t fc = 0; - uint32_t cardnum = 0; - uint32_t code1 = 0; - uint32_t code2 = 0; - uint8_t fmtLen = bytebits_to_byte(BitStream,8); - if (fmtLen==26){ - 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: %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: %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: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo); - } - } - if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx, 96); - printDemodBuff(); - } - //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands - return 1; -} - -//by marshmellow -//Pyramid Prox demod - FSK RF/50 with preamble of 0000000000000001 (always a 128 bit data stream) -//print full Farpointe Data/Pyramid Prox ID and some bit format details if found -int CmdFSKdemodPyramid(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; - - //get binary from fsk wave - int idx = PyramiddemodFSK(BitStream, &size); - if (idx < 0){ - if (g_debugMode==1){ - if (idx == -5) - PrintAndLog("DEBUG: Error - not enough samples"); - else if (idx == -1) - PrintAndLog("DEBUG: Error - only noise found"); - else if (idx == -2) - PrintAndLog("DEBUG: Error - problem during FSK demod"); - else if (idx == -3) - PrintAndLog("DEBUG: Error - Size not correct: %d", size); - else if (idx == -4) - PrintAndLog("DEBUG: Error - Pyramid preamble not found"); - else - PrintAndLog("DEBUG: Error - idx: %d",idx); - } - return 0; - } - // Index map - // 0 10 20 30 40 50 60 - // | | | | | | | - // 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 - // ----------------------------------------------------------------------------- - // 0000000 0 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 - // premable xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o - - // 64 70 80 90 100 110 120 - // | | | | | | | - // 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 - // ----------------------------------------------------------------------------- - // 0000000 1 0000000 1 0000000 1 0110111 0 0011000 1 0000001 0 0001100 1 1001010 0 - // xxxxxxx o xxxxxxx o xxxxxxx o xswffff o ffffccc o ccccccc o ccccccw o ppppppp o - // |---115---||---------71---------| - // 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 - // (26 bit format shown) - - //get bytes for checksum calc - uint8_t checksum = bytebits_to_byte(BitStream + idx + 120, 8); - uint8_t csBuff[14] = {0x00}; - for (uint8_t i = 0; i < 13; i++){ - csBuff[i] = bytebits_to_byte(BitStream + idx + 16 + (i*8), 8); - } - //check checksum calc - //checksum calc thanks to ICEMAN!! - uint32_t checkCS = CRC8Maxim(csBuff,13); - - //get raw ID before removing parities - uint32_t rawLo = bytebits_to_byte(BitStream+idx+96,32); - uint32_t rawHi = bytebits_to_byte(BitStream+idx+64,32); - uint32_t rawHi2 = bytebits_to_byte(BitStream+idx+32,32); - uint32_t rawHi3 = bytebits_to_byte(BitStream+idx,32); - setDemodBuf(BitStream,128,idx); - - size = removeParity(BitStream, idx+8, 8, 1, 120); - if (size != 105){ - if (g_debugMode==1) - PrintAndLog("DEBUG: Error at parity check - tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size, idx, rawHi3); - return 0; - } - - // ok valid card found! - - // Index map - // 0 10 20 30 40 50 60 70 - // | | | | | | | | - // 01234567890123456789012345678901234567890123456789012345678901234567890 - // ----------------------------------------------------------------------- - // 00000000000000000000000000000000000000000000000000000000000000000000000 - // xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx - - // 71 80 90 100 - // | | | | - // 1 2 34567890 1234567890123456 7 8901234 - // --------------------------------------- - // 1 1 01110011 0000000001000110 0 1001010 - // s w ffffffff cccccccccccccccc w ppppppp - // |--115-| |------71------| - // 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 - // (26 bit format shown) - - //find start bit to get fmtLen - int 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; - //uint32_t code2 = 0; - 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 - 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); - } - } - if (checksum == checkCS) - PrintAndLog("Checksum %02x passed", checksum); - else - PrintAndLog("Checksum %02x failed - should have been %02x", checksum, checkCS); - - if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128); - printDemodBuff(); - } - return 1; -} - -// FDX-B ISO11784/85 demod (aka animal tag) BIPHASE, inverted, rf/32, with preamble of 00000000001 (128bits) -// 8 databits + 1 parity (1) -// CIITT 16 chksum -// NATIONAL CODE, ICAR database -// COUNTRY CODE (ISO3166) or http://cms.abvma.ca/uploads/ManufacturersISOsandCountryCodes.pdf -// FLAG (animal/non-animal) -int CmdFDXBdemodBI(const char *Cmd){ - - int invert = 1; - int clk = 32; - int errCnt = 0; - int maxErr = 0; - uint8_t BitStream[MAX_DEMOD_BUF_LEN]; - size_t size = getFromGraphBuf(BitStream); - - errCnt = askdemod(BitStream, &size, &clk, &invert, maxErr, 0, 0); - if ( errCnt < 0 || errCnt > maxErr ) { - if (g_debugMode) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt, clk); - return 0; - } - - errCnt = BiphaseRawDecode(BitStream, &size, maxErr, 1); - if (errCnt < 0 || errCnt > maxErr ) { - if (g_debugMode) PrintAndLog("Error BiphaseRawDecode: %d", errCnt); - return 0; - } - - int preambleIndex = FDXBdemodBI(BitStream, &size); - if (preambleIndex < 0){ - if (g_debugMode) PrintAndLog("Error FDXBDemod , no startmarker found :: %d",preambleIndex); - return 0; - } - - setDemodBuf(BitStream, 128, preambleIndex); - - // remove but don't verify parity. (pType = 2) - size = removeParity(BitStream, preambleIndex + 11, 9, 2, 117); - if ( size <= 103 ) { - if (g_debugMode) PrintAndLog("Error removeParity:: %d", size); - return 0; - } - if (g_debugMode) { - char *bin = sprint_bin_break(BitStream,size,16); - PrintAndLog("DEBUG BinStream:\n%s",bin); - } - PrintAndLog("\nFDX-B / ISO 11784/5 Animal Tag ID Found:"); - if (g_debugMode) PrintAndLog("Start marker %d; Size %d", preambleIndex, size); - - //got a good demod - uint64_t NationalCode = ((uint64_t)(bytebits_to_byteLSBF(BitStream+32,6)) << 32) | bytebits_to_byteLSBF(BitStream,32); - uint32_t countryCode = bytebits_to_byteLSBF(BitStream+38,10); - uint8_t dataBlockBit = BitStream[48]; - uint32_t reservedCode = bytebits_to_byteLSBF(BitStream+49,14); - uint8_t animalBit = BitStream[63]; - uint32_t crc16 = bytebits_to_byteLSBF(BitStream+64,16); - uint32_t extended = bytebits_to_byteLSBF(BitStream+80,24); - - uint64_t rawid = ((uint64_t)bytebits_to_byte(BitStream,32)<<32) | bytebits_to_byte(BitStream+32,32); - uint8_t raw[8]; - num_to_bytes(rawid, 8, raw); - - if (g_debugMode) PrintAndLog("Raw ID Hex: %s", sprint_hex(raw,8)); - - uint16_t calcCrc = crc16_ccitt_kermit(raw, 8); - PrintAndLog("Animal ID: %04u-%012llu", countryCode, NationalCode); - PrintAndLog("National Code: %012llu", NationalCode); - PrintAndLog("CountryCode: %04u", countryCode); - PrintAndLog("Extended Data: %s", dataBlockBit ? "True" : "False"); - PrintAndLog("reserved Code: %u", reservedCode); - PrintAndLog("Animal Tag: %s", animalBit ? "True" : "False"); - PrintAndLog("CRC: 0x%04X - [%04X] - %s", crc16, calcCrc, (calcCrc == crc16) ? "Passed" : "Failed"); - PrintAndLog("Extended: 0x%X\n", extended); - - return 1; -} - - //by marshmellow //attempt to psk1 demod graph buffer int PSKDemod(const char *Cmd, bool verbose) @@ -1557,6 +874,9 @@ int PSKDemod(const char *Cmd, bool verbose) //invalid carrier return 0; } + if (g_debugMode){ + PrintAndLog("Carrier: rf/%d",carrier); + } int errCnt=0; errCnt = pskRawDemod(BitStream, &BitLen, &clk, &invert); if (errCnt > maxErr){ @@ -1578,87 +898,6 @@ int PSKDemod(const char *Cmd, bool verbose) return 1; } -// Indala 26 bit decode -// by marshmellow -// optional arguments - same as CmdpskNRZrawDemod (clock & invert) -int CmdIndalaDecode(const char *Cmd) -{ - int ans; - if (strlen(Cmd)>0){ - ans = PSKDemod(Cmd, 0); - } else{ //default to RF/32 - ans = PSKDemod("32", 0); - } - - if (!ans){ - if (g_debugMode==1) - PrintAndLog("Error1: %d",ans); - return 0; - } - uint8_t invert=0; - ans = indala26decode(DemodBuffer, &DemodBufferLen, &invert); - if (ans < 1) { - if (g_debugMode==1) - PrintAndLog("Error2: %d",ans); - return -1; - } - char showbits[251]={0x00}; - if (invert) - if (g_debugMode==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'; - } - } - 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<DemodBufferLen; idx++) { - uid1=(uid1<<1)|(uid2>>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); - } - if (g_debugMode){ - PrintAndLog("DEBUG: printing demodbuffer:"); - printDemodBuff(); - } - return 1; -} - int CmdPSKNexWatch(const char *Cmd) { if (!PSKDemod("", false)) return 0; @@ -1720,7 +959,8 @@ int NRZrawDemod(const char *Cmd, bool verbose) size_t BitLen = getFromGraphBuf(BitStream); if (BitLen==0) return 0; int errCnt=0; - errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert, maxErr); + int clkStartIdx = 0; + errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert, &clkStartIdx); if (errCnt > maxErr){ if (g_debugMode) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); return 0; @@ -1745,7 +985,7 @@ int NRZrawDemod(const char *Cmd, bool verbose) int CmdNRZrawDemod(const char *Cmd) { char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { + if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') { PrintAndLog("Usage: data rawdemod nr [clock] <0|1> [maxError]"); PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); PrintAndLog(" <invert>, 1 for invert output"); @@ -1758,7 +998,7 @@ int CmdNRZrawDemod(const char *Cmd) PrintAndLog(" : data rawdemod nr 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); + return NRZrawDemod(Cmd, true); } // by marshmellow @@ -1769,7 +1009,7 @@ int CmdPSK1rawDemod(const char *Cmd) { int ans; char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { + if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') { PrintAndLog("Usage: data rawdemod p1 [clock] <0|1> [maxError]"); PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); PrintAndLog(" <invert>, 1 for invert output"); @@ -1782,7 +1022,7 @@ int CmdPSK1rawDemod(const char *Cmd) PrintAndLog(" : data rawdemod p1 64 1 0 = demod a psk1 tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); return 0; } - ans = PSKDemod(Cmd, TRUE); + ans = PSKDemod(Cmd, true); //output if (!ans){ if (g_debugMode) PrintAndLog("Error demoding: %d",ans); @@ -1801,7 +1041,7 @@ int CmdPSK2rawDemod(const char *Cmd) { int ans=0; char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { + if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') { PrintAndLog("Usage: data rawdemod p2 [clock] <0|1> [maxError]"); PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); PrintAndLog(" <invert>, 1 for invert output"); @@ -1814,7 +1054,7 @@ int CmdPSK2rawDemod(const char *Cmd) PrintAndLog(" : data rawdemod p2 64 1 0 = demod a psk2 tag from GraphBuffer using a clock of RF/64, inverting output and allowing 0 demod errors"); return 0; } - ans=PSKDemod(Cmd, TRUE); + ans=PSKDemod(Cmd, true); if (!ans){ if (g_debugMode) PrintAndLog("Error demoding: %d",ans); return 0; @@ -1831,7 +1071,7 @@ int CmdRawDemod(const char *Cmd) { char cmdp = Cmd[0]; //param_getchar(Cmd, 0); - if (strlen(Cmd) > 20 || cmdp == 'h' || cmdp == 'H' || strlen(Cmd)<2) { + if (strlen(Cmd) > 35 || cmdp == 'h' || cmdp == 'H' || strlen(Cmd)<2) { PrintAndLog("Usage: data rawdemod [modulation] <help>|<options>"); PrintAndLog(" [modulation] as 2 char, 'ab' for ask/biphase, 'am' for ask/manchester, 'ar' for ask/raw, 'fs' for fsk, ..."); PrintAndLog(" 'nr' for nrz/direct, 'p1' for psk1, 'p2' for psk2"); @@ -1879,6 +1119,12 @@ int CmdGrid(const char *Cmd) return 0; } +int CmdSetGraphMarkers(const char *Cmd) { + sscanf(Cmd, "%i %i", &CursorCPos, &CursorDPos); + RepaintGraphWindow(); + return 0; +} + int CmdHexsamples(const char *Cmd) { int i, j; @@ -1943,26 +1189,14 @@ int CmdHpf(const char *Cmd) RepaintGraphWindow(); return 0; } -typedef struct { - uint8_t * buffer; - uint32_t numbits; - uint32_t position; -}BitstreamOut; -bool _headBit( BitstreamOut *stream) -{ - int bytepos = stream->position >> 3; // divide by 8 - int bitpos = (stream->position++) & 7; // mask out 00000111 - return (*(stream->buffer + bytepos) >> (7-bitpos)) & 1; -} - -uint8_t getByte(uint8_t bits_per_sample, BitstreamOut* b) +uint8_t getByte(uint8_t bits_per_sample, BitstreamIn* b) { int i; uint8_t val = 0; for(i =0 ; i < bits_per_sample; i++) { - val |= (_headBit(b) << (7-i)); + val |= (headBit(b) << (7-i)); } return val; } @@ -1978,10 +1212,7 @@ int getSamples(const char *Cmd, bool silent) int n = strtol(Cmd, NULL, 0); - if (n == 0) - n = sizeof(got); - - if (n > sizeof(got)) + if (n == 0 || n > sizeof(got)) n = sizeof(got); PrintAndLog("Reading %d bytes from device memory\n", n); @@ -2002,7 +1233,7 @@ int getSamples(const char *Cmd, bool silent) if(bits_per_sample < 8) { PrintAndLog("Unpacking..."); - BitstreamOut bout = { got, bits_per_sample * n, 0}; + BitstreamIn bout = { got, bits_per_sample * n, 0}; int j =0; for (j = 0; j * bits_per_sample < n * 8 && j < n; j++) { uint8_t sample = getByte(bits_per_sample, &bout); @@ -2029,10 +1260,20 @@ int CmdSamples(const char *Cmd) int CmdTuneSamples(const char *Cmd) { - int timeout = 0; + int timeout = 0, arg = FLAG_TUNE_ALL; + + if(*Cmd == 'l') { + arg = FLAG_TUNE_LF; + } else if (*Cmd == 'h') { + arg = FLAG_TUNE_HF; + } else if (*Cmd != '\0') { + PrintAndLog("use 'tune' or 'tune l' or 'tune h'"); + return 0; + } + printf("\nMeasuring antenna characteristics, please wait..."); - UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING}; + UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING, {arg, 0, 0}}; SendCommand(&c); UsbCommand resp; @@ -2137,6 +1378,22 @@ int CmdRtrim(const char *Cmd) return 0; } +// trim graph (middle) piece +int CmdMtrim(const char *Cmd) { + int start = 0, stop = 0; + sscanf(Cmd, "%i %i", &start, &stop); + + if (start > GraphTraceLen || stop > GraphTraceLen || start > stop) return 0; + start++; //leave start position sample + + GraphTraceLen -= stop - start; + for (int i = 0; i < GraphTraceLen; i++) { + GraphBuffer[start+i] = GraphBuffer[stop+i]; + } + return 0; +} + + int CmdNorm(const char *Cmd) { int i; @@ -2216,13 +1473,13 @@ int CmdDirectionalThreshold(const char *Cmd) if (GraphBuffer[i] >= upThres && GraphBuffer[i] > lastValue) { lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it. - GraphBuffer[i] = 1; + GraphBuffer[i] = 127; } // Apply second threshold to samples heading down else if (GraphBuffer[i] <= downThres && GraphBuffer[i] < lastValue) { lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it. - GraphBuffer[i] = -1; + GraphBuffer[i] = -127; } else { @@ -2265,44 +1522,132 @@ int CmdZerocrossings(const char *Cmd) return 0; } +int usage_data_bin2hex(){ + PrintAndLog("Usage: data bin2hex <binary_digits>"); + PrintAndLog(" This function will ignore all characters not 1 or 0 (but stop reading on whitespace)"); + return 0; +} + +/** + * @brief Utility for conversion via cmdline. + * @param Cmd + * @return + */ +int Cmdbin2hex(const char *Cmd) +{ + int bg =0, en =0; + if(param_getptr(Cmd, &bg, &en, 0)) + { + return usage_data_bin2hex(); + } + //Number of digits supplied as argument + size_t length = en - bg +1; + size_t bytelen = (length+7) / 8; + uint8_t* arr = (uint8_t *) malloc(bytelen); + memset(arr, 0, bytelen); + BitstreamOut bout = { arr, 0, 0 }; + + for(; bg <= en ;bg++) + { + char c = Cmd[bg]; + if( c == '1') pushBit(&bout, 1); + else if( c == '0') pushBit(&bout, 0); + else PrintAndLog("Ignoring '%c'", c); + } + + if(bout.numbits % 8 != 0) + { + printf("[padded with %d zeroes]\n", 8-(bout.numbits % 8)); + } + + //Uses printf instead of PrintAndLog since the latter + // adds linebreaks to each printout - this way was more convenient since we don't have to + // allocate a string and write to that first... + for(size_t x = 0; x < bytelen ; x++) + { + printf("%02X", arr[x]); + } + printf("\n"); + free(arr); + return 0; +} + +int usage_data_hex2bin() { + 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(); + } + + + while(bg <= en ) + { + char x = Cmd[bg++]; + // capitalize + if (x >= 'a' && x <= 'f') + x -= 32; + // convert to numeric value + if (x >= '0' && x <= '9') + x -= '0'; + else if (x >= 'A' && x <= 'F') + x -= 'A' - 10; + else + continue; + + //Uses printf instead of PrintAndLog since the latter + // adds linebreaks to each printout - this way was more convenient since we don't have to + // allocate a string and write to that first... + + for(int i= 0 ; i < 4 ; ++i) + printf("%d",(x >> (3 - i)) & 1); + } + printf("\n"); + + return 0; +} + static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, {"askedgedetect", CmdAskEdgeDetect, 1, "[threshold] Adjust Graph for manual ask demod using the length of sample differences to detect the edge of a wave (use 20-45, def: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"}, {"autocorr", CmdAutoCorr, 1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"}, {"biphaserawdecode",CmdBiphaseDecodeRaw,1, "[offset] [invert<0|1>] [maxErr] -- Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"}, + {"bin2hex", Cmdbin2hex, 1, "bin2hex <digits> -- Converts binary to hexadecimal"}, {"bitsamples", CmdBitsamples, 0, "Get raw samples as bitstring"}, {"buffclear", CmdBuffClear, 1, "Clear sample buffer and graph window"}, {"dec", CmdDec, 1, "Decimate samples"}, {"detectclock", CmdDetectClockRate, 1, "[modulation] Detect clock rate of wave in GraphBuffer (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"}, - {"fdxbdemod", CmdFDXBdemodBI , 1, "Demodulate a FDX-B ISO11784/85 Biphase tag from GraphBuffer"}, - {"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 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"}, {"getbitstream", CmdGetBitStream, 1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"}, {"grid", CmdGrid, 1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"}, {"hexsamples", CmdHexsamples, 0, "<bytes> [<offset>] -- Dump big buffer as hex bytes"}, + {"hex2bin", Cmdhex2bin, 1, "hex2bin <hexadecimal> -- Converts hexadecimal to binary"}, {"hide", CmdHide, 1, "Hide graph window"}, {"hpf", CmdHpf, 1, "Remove DC offset from trace"}, {"load", CmdLoad, 1, "<filename> -- Load trace (to graph window"}, {"ltrim", CmdLtrim, 1, "<samples> -- Trim samples from left of trace"}, {"rtrim", CmdRtrim, 1, "<location to end trace> -- Trim samples from right of trace"}, + {"mtrim", CmdMtrim, 1, "<start> <stop> -- Trim out samples from the specified start to the specified stop"}, {"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"}, - {"pskindalademod", CmdIndalaDecode, 1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"}, + {"printdemodbuffer",CmdPrintDemodBuff, 1, "[x] [o] <offset> [l] <length> -- print the data in the DemodBuffer - 'x' for hex output"}, {"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)"}, + {"setgraphmarkers", CmdSetGraphMarkers, 1, "[orange_marker] [blue_marker] (in 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"},