X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6eaa8da9dcc7543194435f706c72272783331df7..2ec87733142000646c7ce86c74f61330f451b110:/client/cmddata.c diff --git a/client/cmddata.c b/client/cmddata.c index 00caefd9..bec1b5aa 100644 --- a/client/cmddata.c +++ b/client/cmddata.c @@ -41,7 +41,7 @@ void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx) size = MAX_DEMOD_BUF_LEN; size_t i = 0; -for (; i < size; i++){ + for (; i < size; i++){ DemodBuffer[i]=buff[startIdx++]; } DemodBufferLen=size; @@ -344,8 +344,8 @@ int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType) setDemodBuf(BitStream,BitLen,0); if (verbose || g_debugMode){ if (errCnt>0) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt); - if (askType) PrintAndLog("ASK/Manchester decoded bitstream:"); - else PrintAndLog("ASK/Raw decoded bitstream:"); + if (askType) PrintAndLog("ASK/Manchester - Clock: %d - Decoded bitstream:",clk); + else PrintAndLog("ASK/Raw - Clock: %d - Decoded bitstream:",clk); // Now output the bitstream to the scrollback by line of 16 bits printDemodBuff(); @@ -392,7 +392,7 @@ int Cmdmandecoderaw(const char *Cmd) int errCnt=0; size_t size=0; int invert=0; - size_t maxErr = 20; + int maxErr = 20; char cmdp = param_getchar(Cmd, 0); if (strlen(Cmd) > 5 || cmdp == 'h' || cmdp == 'H') { PrintAndLog("Usage: data manrawdecode [invert] [maxErr]"); @@ -498,22 +498,20 @@ int CmdBiphaseDecodeRaw(const char *Cmd) int ASKbiphaseDemod(const char *Cmd, bool verbose) { //ask raw demod GraphBuffer first - int offset=0, clk=0, invert=0, maxErr=0, ans=0; - ans = sscanf(Cmd, "%i %i 0 %i", &offset, &clk, &maxErr); - if (ans>0) - ans = ASKDemod(Cmd+2, FALSE, FALSE, 0); - else - ans = ASKDemod(Cmd, FALSE, FALSE, 0); - if (!ans) { - if (g_debugMode || verbose) PrintAndLog("Error AskDemod: %d", ans); - return 0; - } + int offset=0, clk=0, invert=0, maxErr=0; + sscanf(Cmd, "%i %i %i %i", &offset, &clk, &invert, &maxErr); + + uint8_t BitStream[MAX_DEMOD_BUF_LEN]; + size_t size = getFromGraphBuf(BitStream); + //invert here inverts the ask raw demoded bits which has no effect on the demod, but we need the pointer + int 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; + } - //attempt to Biphase decode DemodBuffer - size_t size = DemodBufferLen; - uint8_t BitStream[MAX_DEMOD_BUF_LEN]; - memcpy(BitStream, DemodBuffer, DemodBufferLen); - int errCnt = BiphaseRawDecode(BitStream, &size, offset, invert); + //attempt to Biphase decode BitStream + errCnt = BiphaseRawDecode(BitStream, &size, offset, invert); if (errCnt < 0){ if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode: %d", errCnt); return 0; @@ -525,7 +523,7 @@ int ASKbiphaseDemod(const char *Cmd, bool verbose) //success set DemodBuffer and return setDemodBuf(BitStream, size, 0); if (g_debugMode || verbose){ - PrintAndLog("Biphase Decoded using offset: %d - # errors:%d - data:",offset,errCnt); + PrintAndLog("Biphase Decoded using offset: %d - clock: %d - # errors:%d - data:",offset,clk,errCnt); printDemodBuff(); } return 1; @@ -1475,7 +1473,7 @@ int CmdFDXBdemodBI(const char *Cmd){ 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: 32", errCnt); + if (g_debugMode) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt, clk); return 0; } @@ -1492,8 +1490,8 @@ int CmdFDXBdemodBI(const char *Cmd){ } setDemodBuf(BitStream, 128, preambleIndex); - //printDemodBuff(); + // 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); @@ -1502,12 +1500,10 @@ int CmdFDXBdemodBI(const char *Cmd){ if (g_debugMode) { char *bin = sprint_bin_break(BitStream,size,16); PrintAndLog("DEBUG BinStream:\n%s",bin); - PrintAndLog("0x%s", sprint_hex(BitStream,16)); } PrintAndLog("\nFDX-B / ISO 11784/5 Animal Tag ID Found:"); if (g_debugMode) PrintAndLog("Start marker %d; Size %d", preambleIndex, size); - //return 1; //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); @@ -1517,17 +1513,16 @@ int CmdFDXBdemodBI(const char *Cmd){ 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_byteLSBF(BitStream,32)<<32) | bytebits_to_byteLSBF(BitStream+32,32); + 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); - uint8_t *ID = SwapEndian64(raw, 8, 4); - if (g_debugMode) PrintAndLog("Raw ID Hex: %s", sprint_hex(ID,8)); + if (g_debugMode) PrintAndLog("Raw ID Hex: %s", sprint_hex(raw,8)); - uint16_t calcCrc = crc16_ccitt_kermit(ID, 8); - PrintAndLog("Animal ID: %u-%012llu", countryCode, NationalCode); + uint16_t calcCrc = crc16_ccitt_kermit(raw, 8); + PrintAndLog("Animal ID: %04u-%012llu", countryCode, NationalCode); PrintAndLog("National Code: %012llu", NationalCode); - PrintAndLog("CountryCode: %u", countryCode); + PrintAndLog("CountryCode: %04u", countryCode); PrintAndLog("Extended Data: %s", dataBlockBit ? "True" : "False"); PrintAndLog("reserved Code: %u", reservedCode); PrintAndLog("Animal Tag: %s", animalBit ? "True" : "False"); @@ -1551,12 +1546,12 @@ int PSKDemod(const char *Cmd, bool verbose) clk=0; } if (invert != 0 && invert != 1) { - if (verbose) PrintAndLog("Invalid argument: %s", Cmd); + if (g_debugMode || verbose) PrintAndLog("Invalid argument: %s", Cmd); return 0; } uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; size_t BitLen = getFromGraphBuf(BitStream); - if (BitLen==0) return -1; + if (BitLen==0) return 0; uint8_t carrier=countFC(BitStream, BitLen, 0); if (carrier!=2 && carrier!=4 && carrier!=8){ //invalid carrier