X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/0d2c590974319db6fc54400ce153d86b68a09852..d24026ade8d48d5bce892f5baf20f79a3ec35aba:/client/cmddata.c?ds=sidebyside diff --git a/client/cmddata.c b/client/cmddata.c index 311e5b32..9e7fc8ed 100644 --- a/client/cmddata.c +++ b/client/cmddata.c @@ -8,84 +8,288 @@ // Data and Graph commands //----------------------------------------------------------------------------- -#include -#include -#include -#include -#include "proxmark3.h" -#include "data.h" -#include "ui.h" -#include "graph.h" -#include "cmdparser.h" +#include // also included in util.h +#include // also included in util.h +#include // 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 "loclass/cipherutils.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 uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN]; -uint8_t g_debugMode=0; -size_t DemodBufferLen=0; +uint8_t g_debugMode = 0; +size_t DemodBufferLen = 0; static int CmdHelp(const char *Cmd); +int usage_data_printdemodbuf(void){ + PrintAndLog("Usage: data printdemodbuffer x o l "); + PrintAndLog("Options:"); + PrintAndLog(" h This help"); + PrintAndLog(" x output in hex (omit for binary output)"); + PrintAndLog(" o enter offset in # of bits"); + PrintAndLog(" l enter length to print in # of bits or hex characters respectively"); + return 0; +} +int usage_data_askem410xdemod(void){ + PrintAndLog("Usage: data askem410xdemod [clock] <0|1> [maxError]"); + PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); + PrintAndLog(" , 1 for invert output"); + PrintAndLog(" [set maximum allowed errors], default = 100."); + PrintAndLog(""); + PrintAndLog(" sample: data 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; +} +int usage_data_manrawdecode(void){ + PrintAndLog("Usage: data manrawdecode [invert] [maxErr]"); + PrintAndLog(" Takes 10 and 01 and converts to 0 and 1 respectively"); + PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)"); + PrintAndLog(" [invert] invert output"); + PrintAndLog(" [maxErr] set number of errors allowed (default = 20)"); + PrintAndLog(""); + PrintAndLog(" sample: data manrawdecode = decode manchester bitstream from the demodbuffer"); + return 0; +} +int usage_data_biphaserawdecode(void){ + PrintAndLog("Usage: data biphaserawdecode [offset] [invert] [maxErr]"); + PrintAndLog(" Converts 10 or 01 to 1 and 11 or 00 to 0"); + PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)"); + PrintAndLog(" --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester"); + PrintAndLog(""); + PrintAndLog(" [offset <0|1>], set to 0 not to adjust start position or to 1 to adjust decode start position"); + PrintAndLog(" [invert <0|1>], set to 1 to invert output"); + PrintAndLog(" [maxErr int], set max errors tolerated - default=20"); + PrintAndLog(""); + PrintAndLog(" sample: data biphaserawdecode = decode biphase bitstream from the demodbuffer"); + PrintAndLog(" sample: data biphaserawdecode 1 1 = decode biphase bitstream from the demodbuffer, set offset, and invert output"); + return 0; +} +int usage_data_rawdemod(void){ + PrintAndLog("Usage: data rawdemod [modulation] |"); + 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"); + PrintAndLog(" as 'h', prints the help for the specific modulation"); + PrintAndLog(" see specific modulation help for optional parameters"); + PrintAndLog(""); + PrintAndLog(" sample: data rawdemod fs h = print help specific to fsk demod"); + PrintAndLog(" : data rawdemod fs = demod GraphBuffer using: fsk - autodetect"); + PrintAndLog(" : data rawdemod ab = demod GraphBuffer using: ask/biphase - autodetect"); + PrintAndLog(" : data rawdemod am = demod GraphBuffer using: ask/manchester - autodetect"); + PrintAndLog(" : data rawdemod ar = demod GraphBuffer using: ask/raw - autodetect"); + PrintAndLog(" : data rawdemod nr = demod GraphBuffer using: nrz/direct - autodetect"); + PrintAndLog(" : data rawdemod p1 = demod GraphBuffer using: psk1 - autodetect"); + PrintAndLog(" : data rawdemod p2 = demod GraphBuffer using: psk2 - autodetect"); + return 0; +} +int usage_data_rawdemod_am(void){ + PrintAndLog("Usage: data rawdemod am [clock] [maxError] [maxLen] [amplify]"); + PrintAndLog(" ['s'] optional, check for Sequence Terminator"); + PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); + PrintAndLog(" , 1 to invert output"); + PrintAndLog(" [set maximum allowed errors], default = 100"); + PrintAndLog(" [set maximum Samples to read], default = 32768 (512 bits at rf/64)"); + PrintAndLog(" , 'a' to attempt demod with ask amplification, default = no amp"); + PrintAndLog(""); + PrintAndLog(" sample: data rawdemod am = demod an ask/manchester tag from GraphBuffer"); + PrintAndLog(" : data rawdemod am 32 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32"); + PrintAndLog(" : data rawdemod am 32 1 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32 and inverting data"); + PrintAndLog(" : data rawdemod am 1 = demod an ask/manchester tag from GraphBuffer while inverting data"); + PrintAndLog(" : data rawdemod am 64 1 0 = demod an ask/manchester tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); + return 0; +} +int usage_data_rawdemod_ab(void){ + PrintAndLog("Usage: data rawdemod ab [offset] [clock] [maxError] [maxLen] "); + PrintAndLog(" [offset], offset to begin biphase, default=0"); + PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); + PrintAndLog(" , 1 to invert output"); + PrintAndLog(" [set maximum allowed errors], default = 100"); + PrintAndLog(" [set maximum Samples to read], default = 32768 (512 bits at rf/64)"); + PrintAndLog(" , 'a' to attempt demod with ask amplification, default = no amp"); + PrintAndLog(" NOTE: can be entered as second or third argument"); + PrintAndLog(" NOTE: can be entered as first, second or last argument"); + PrintAndLog(" NOTE: any other arg must have previous args set to work"); + PrintAndLog(""); + PrintAndLog(" NOTE: --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester"); + PrintAndLog(""); + PrintAndLog(" sample: data rawdemod ab = demod an ask/biph tag from GraphBuffer"); + PrintAndLog(" : data rawdemod ab 0 a = demod an ask/biph tag from GraphBuffer, amplified"); + PrintAndLog(" : data rawdemod ab 1 32 = demod an ask/biph tag from GraphBuffer using an offset of 1 and a clock of RF/32"); + PrintAndLog(" : data rawdemod ab 0 32 1 = demod an ask/biph tag from GraphBuffer using a clock of RF/32 and inverting data"); + PrintAndLog(" : data rawdemod ab 0 1 = demod an ask/biph tag from GraphBuffer while inverting data"); + PrintAndLog(" : data rawdemod ab 0 64 1 0 = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); + 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; +} +int usage_data_rawdemod_ar(void){ + PrintAndLog("Usage: data rawdemod ar [clock] [maxError] [maxLen] [amplify]"); + PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); + PrintAndLog(" , 1 to invert output"); + PrintAndLog(" [set maximum allowed errors], default = 100"); + PrintAndLog(" [set maximum Samples to read], default = 32768 (1024 bits at rf/64)"); + PrintAndLog(" , 'a' to attempt demod with ask amplification, default = no amp"); + PrintAndLog(""); + PrintAndLog(" sample: data rawdemod ar = demod an ask tag from GraphBuffer"); + PrintAndLog(" : data rawdemod ar a = demod an ask tag from GraphBuffer, amplified"); + PrintAndLog(" : data rawdemod ar 32 = demod an ask tag from GraphBuffer using a clock of RF/32"); + PrintAndLog(" : data rawdemod ar 32 1 = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data"); + PrintAndLog(" : data rawdemod ar 1 = demod an ask tag from GraphBuffer while inverting data"); + PrintAndLog(" : data rawdemod ar 64 1 0 = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); + PrintAndLog(" : data rawdemod ar 64 1 0 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; +} +int usage_data_rawdemod_fs(void){ + PrintAndLog("Usage: data rawdemod fs [clock] [fchigh] [fclow]"); + PrintAndLog(" [set clock as integer] optional, omit for autodetect."); + PrintAndLog(" , 1 for invert output, can be used even if the clock is omitted"); + PrintAndLog(" [fchigh], larger field clock length, omit for autodetect"); + PrintAndLog(" [fclow], small field clock length, omit for autodetect"); + PrintAndLog(""); + PrintAndLog(" sample: data rawdemod fs = demod an fsk tag from GraphBuffer using autodetect"); + PrintAndLog(" : data rawdemod fs 32 = demod an fsk tag from GraphBuffer using a clock of RF/32, autodetect fc"); + PrintAndLog(" : data rawdemod fs 1 = demod an fsk tag from GraphBuffer using autodetect, invert output"); + PrintAndLog(" : data rawdemod fs 32 1 = demod an fsk tag from GraphBuffer using a clock of RF/32, invert output, autodetect fc"); + PrintAndLog(" : data rawdemod fs 64 0 8 5 = demod an fsk1 RF/64 tag from GraphBuffer"); + PrintAndLog(" : data rawdemod fs 50 0 10 8 = demod an fsk2 RF/50 tag from GraphBuffer"); + PrintAndLog(" : data rawdemod fs 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer"); + return 0; +} +int usage_data_rawdemod_nr(void){ + PrintAndLog("Usage: data rawdemod nr [clock] <0|1> [maxError]"); + PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); + PrintAndLog(" , 1 for invert output"); + PrintAndLog(" [set maximum allowed errors], default = 100."); + PrintAndLog(""); + PrintAndLog(" sample: data rawdemod nr = demod a nrz/direct tag from GraphBuffer"); + PrintAndLog(" : data rawdemod nr 32 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32"); + PrintAndLog(" : data rawdemod nr 32 1 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32 and inverting data"); + PrintAndLog(" : data rawdemod nr 1 = demod a nrz/direct tag from GraphBuffer while inverting data"); + 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; +} +int usage_data_rawdemod_p1(void){ + PrintAndLog("Usage: data rawdemod p1 [clock] <0|1> [maxError]"); + PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); + PrintAndLog(" , 1 for invert output"); + PrintAndLog(" [set maximum allowed errors], default = 100."); + PrintAndLog(""); + PrintAndLog(" sample: data rawdemod p1 = demod a psk1 tag from GraphBuffer"); + PrintAndLog(" : data rawdemod p1 32 = demod a psk1 tag from GraphBuffer using a clock of RF/32"); + PrintAndLog(" : data rawdemod p1 32 1 = demod a psk1 tag from GraphBuffer using a clock of RF/32 and inverting data"); + PrintAndLog(" : data rawdemod p1 1 = demod a psk1 tag from GraphBuffer while inverting data"); + 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; +} +int usage_data_rawdemod_p2(void){ + PrintAndLog("Usage: data rawdemod p2 [clock] <0|1> [maxError]"); + PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); + PrintAndLog(" , 1 for invert output"); + PrintAndLog(" [set maximum allowed errors], default = 100."); + PrintAndLog(""); + PrintAndLog(" sample: data rawdemod p2 = demod a psk2 tag from GraphBuffer, autodetect clock"); + PrintAndLog(" : data rawdemod p2 32 = demod a psk2 tag from GraphBuffer using a clock of RF/32"); + PrintAndLog(" : data rawdemod p2 32 1 = demod a psk2 tag from GraphBuffer using a clock of RF/32 and inverting output"); + PrintAndLog(" : data rawdemod p2 1 = demod a psk2 tag from GraphBuffer, autodetect clock and invert output"); + 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; +} +int usage_data_autocorr(void) { + PrintAndLog("Usage: data autocorr [window] [g]"); + PrintAndLog("Options:"); + PrintAndLog(" h This help"); + PrintAndLog(" [window] window length for correlation - default = 4000"); + PrintAndLog(" g save back to GraphBuffer (overwrite)"); + return 0; +} +int usage_data_undecimate(void){ + PrintAndLog("Usage: data undec [factor]"); + PrintAndLog("This function performs un-decimation, by repeating each sample N times"); + PrintAndLog("Options: "); + PrintAndLog(" h This help"); + PrintAndLog(" factor The number of times to repeat each sample.[default:2]"); + PrintAndLog("Example: 'data undec 3'"); + return 0; +} +int usage_data_detectclock(void){ + PrintAndLog("Usage: data detectclock [modulation] "); + PrintAndLog(" [modulation as char], specify the modulation type you want to detect the clock of"); + PrintAndLog(" , specify the clock (optional - to get best start position only)"); + PrintAndLog(" 'a' = ask, 'f' = fsk, 'n' = nrz/direct, 'p' = psk"); + PrintAndLog(""); + PrintAndLog(" sample: data detectclock a = detect the clock of an ask modulated wave in the GraphBuffer"); + PrintAndLog(" data detectclock f = detect the clock of an fsk modulated wave in the GraphBuffer"); + PrintAndLog(" data detectclock p = detect the clock of an psk modulated wave in the GraphBuffer"); + PrintAndLog(" data detectclock n = detect the clock of an nrz/direct modulated wave in the GraphBuffer"); + return 0; +} +int usage_data_hex2bin(void){ + PrintAndLog("Usage: data hex2bin "); + PrintAndLog(" This function will ignore all non-hexadecimal characters (but stop reading on whitespace)"); + return 0; +} +int usage_data_bin2hex(void){ + PrintAndLog("Usage: data bin2hex "); + PrintAndLog(" This function will ignore all characters not 1 or 0 (but stop reading on whitespace)"); + return 0; +} +int usage_data_buffclear(void){ + PrintAndLog("This function clears the bigbuff on deviceside"); + PrintAndLog("Usage: data buffclear [h]"); + PrintAndLog("Options:"); + PrintAndLog(" h This help"); + return 0; +} + //set the demod buffer with given array of binary (one bit per byte) //by marshmellow void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx) { - if (buff == NULL) - return; + if (buff == NULL) return; - if ( size >= MAX_DEMOD_BUF_LEN) + if (size >= MAX_DEMOD_BUF_LEN) size = MAX_DEMOD_BUF_LEN; - - size_t i = 0; - for (; i < size; i++){ - DemodBuffer[i]=buff[startIdx++]; - } - DemodBufferLen=size; - return; + + for (size_t i = 0; i < size; i++) + DemodBuffer[i] = buff[startIdx++]; + + DemodBufferLen = size; } -int CmdSetDebugMode(const char *Cmd) -{ - int demod=0; +int CmdSetDebugMode(const char *Cmd) { + int demod = 0; sscanf(Cmd, "%i", &demod); - g_debugMode=(uint8_t)demod; + g_debugMode = (uint8_t)demod; return 1; } -int usage_data_printdemodbuf(){ - PrintAndLog("Usage: data printdemodbuffer x o l "); - PrintAndLog("Options:"); - PrintAndLog(" h This help"); - PrintAndLog(" x output in hex (omit for binary output)"); - PrintAndLog(" o enter offset in # of bits"); - PrintAndLog(" l enter length to print in # of bits or hex characters respectively"); - return 0; -} - //by marshmellow void printDemodBuff(void) { int bitLen = DemodBufferLen; - if (bitLen<1) { + if (bitLen < 1) { 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 + if (bitLen > 512) bitLen=512; //max output to 512 bits if we have more - should be plenty - char *bin = sprint_bin_break(DemodBuffer,bitLen,16); + char *bin = sprint_bin_break(DemodBuffer, bitLen,16); PrintAndLog("%s",bin); - - return; } int CmdPrintDemodBuff(const char *Cmd) { - char hex[512]={0x00}; + char hex[512] = {0x00}; bool hexMode = false; bool errors = false; uint32_t offset = 0; //could be size_t but no param_get16... @@ -124,6 +328,11 @@ int CmdPrintDemodBuff(const char *Cmd) } //Validations if(errors) return usage_data_printdemodbuf(); + + if (DemodBufferLen == 0) { + PrintAndLog("Demodbuffer is empty"); + return 0; + } length = (length > (DemodBufferLen-offset)) ? DemodBufferLen-offset : length; int numBits = (length) & 0x00FFC; //make sure we don't exceed our string @@ -143,15 +352,10 @@ int CmdPrintDemodBuff(const char *Cmd) //this function strictly converts >1 to 1 and <1 to 0 for each sample in the graphbuffer int CmdGetBitStream(const char *Cmd) { - int i; CmdHpf(Cmd); - for (i = 0; i < GraphTraceLen; i++) { - if (GraphBuffer[i] >= 1) { - GraphBuffer[i] = 1; - } else { - GraphBuffer[i] = 0; - } - } + for (uint32_t i = 0; i < GraphTraceLen; i++) + GraphBuffer[i] = (GraphBuffer[i] >= 1) ? 1 : 0; + RepaintGraphWindow(); return 0; } @@ -172,22 +376,22 @@ void printEM410x(uint32_t hi, uint64_t id) } if (hi){ //output 88 bit em id - PrintAndLog("\nEM TAG ID : %06X%016llX", hi, id); + PrintAndLog("\nEM TAG ID : %06X%016" PRIX64, hi, id); } else{ //output 40 bit em id - PrintAndLog("\nEM TAG ID : %010llX", id); - PrintAndLog("Unique TAG ID : %010llX", id2lo); + PrintAndLog("\nEM TAG ID : %010" PRIX64, id); PrintAndLog("\nPossible de-scramble patterns"); + PrintAndLog("Unique TAG ID : %010" PRIX64, id2lo); 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", + PrintAndLog("DEZ 8 : %08" PRIu64, id & 0xFFFFFF); + PrintAndLog("DEZ 10 : %010" PRIu64, id & 0xFFFFFFFF); + PrintAndLog("DEZ 5.5 : %05" PRIu64 ".%05" PRIu64, (id>>16LL) & 0xFFFF, (id & 0xFFFF)); + PrintAndLog("DEZ 3.5A : %03" PRIu64 ".%05" PRIu64, (id>>32ll), (id & 0xFFFF)); + PrintAndLog("DEZ 3.5B : %03" PRIu64 ".%05" PRIu64, (id & 0xFF000000) >> 24, (id & 0xFFFF)); + PrintAndLog("DEZ 3.5C : %03" PRIu64 ".%05" PRIu64, (id & 0xFF0000) >> 16, (id & 0xFFFF)); + PrintAndLog("DEZ 14/IK2 : %014" PRIu64, id); + PrintAndLog("DEZ 15/IK3 : %015" PRIu64, id2lo); + PrintAndLog("DEZ 20/ZK : %02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64, (id2lo & 0xf000000000) >> 36, (id2lo & 0x0f00000000) >> 32, (id2lo & 0x00f0000000) >> 28, @@ -200,8 +404,8 @@ void printEM410x(uint32_t hi, uint64_t id) (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); + PrintAndLog("}\nOther : %05" PRIu64 "_%03" PRIu64 "_%08" PRIu64, (id&0xFFFF), ((id>>16LL) & 0xFF), (id & 0xFFFFFF)); + PrintAndLog("Pattern Paxton : %" PRIu64 " [0x%" PRIX64 "]", paxton, paxton); uint32_t p1id = (id & 0xFFFFFF); uint8_t arr[32] = {0x00}; @@ -256,23 +460,35 @@ void printEM410x(uint32_t hi, uint64_t id) 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); + size_t size = DemodBufferLen; + uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0}; + memcpy(BitStream, DemodBuffer, size); + int ans = Em410xDecode(BitStream, &size, &idx, hi, lo); + if ( ans < 0){ if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); - printDemodBuff(); - } - if (verbose){ - PrintAndLog("EM410x pattern found: "); - printEM410x(*hi, *lo); + if (ans == -1) + PrintAndLog("DEBUG: Error - Em410x not only 0|1 in decoded bitstream"); + else if (ans == -3) + PrintAndLog("DEBUG: Error - Em410x Size not correct: %d", size); + else if (ans == -4) + PrintAndLog("DEBUG: Error - Em410x preamble not found"); + else if (ans == -5) + PrintAndLog("DEBUG: Error - Em410x parity failed"); } - return 1; + return 0; } - return 0; + + //set GraphBuffer for clone or sim command + setDemodBuf(BitStream, size, idx); + if (g_debugMode){ + PrintAndLog("DEBUG: Em410x idx: %d, Len: %d, Printing Demod Buffer:", idx, size); + printDemodBuff(); + } + if (verbose){ + PrintAndLog("EM410x pattern found: "); + printEM410x(*hi, *lo); + } + return 1; } int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose) @@ -289,19 +505,9 @@ int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose) 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(" , 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; - } + if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') + return usage_data_askem410xdemod(); + uint64_t lo = 0; uint32_t hi = 0; return AskEm410xDemod(Cmd, &hi, &lo, true); @@ -314,13 +520,12 @@ int CmdAskEM410xDemod(const char *Cmd) //emSearch will auto search for EM410x format in bitstream //askType switches decode: ask/raw = 0, ask/manchester = 1 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; + int invert = 0; + int clk = 0; + int maxErr = 100; + int maxLen = 0; char amp = param_getchar(Cmd, 0); - uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; + uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0}; sscanf(Cmd, "%i %i %i %i %c", &clk, &invert, &maxErr, &maxLen, &); if (!maxLen) maxLen = BIGBUF_SIZE; if (invert != 0 && invert != 1) { @@ -331,12 +536,15 @@ int ASKDemod_ext(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 (g_debugMode) PrintAndLog("DEBUG: Bitlen from grphbuff: %d", BitLen); if (BitLen<255) return 0; if (maxLenmaxErr){ + if (errCnt > maxErr){ if (g_debugMode) PrintAndLog("DEBUG: Too many errors found, errors:%d, bits:%d, clock:%d",errCnt, BitLen, clk); return 0; } @@ -358,18 +567,20 @@ int ASKDemod_ext(const char *Cmd, bool verbose, bool emSearch, uint8_t askType, //output 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 - Clock: %d - Decoded bitstream:",clk); - else PrintAndLog("ASK/Raw - Clock: %d - Decoded bitstream:",clk); + if (errCnt>0) + PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt); + 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(); - + printDemodBuff(); } uint64_t lo = 0; uint32_t hi = 0; - if (emSearch){ + if (emSearch) AskEm410xDecode(true, &hi, &lo); - } + return 1; } int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType) { @@ -384,28 +595,14 @@ 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] [maxError] [maxLen] [amplify]"); - PrintAndLog(" ['s'] optional, check for Sequence Terminator"); - PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); - PrintAndLog(" , 1 to invert output"); - PrintAndLog(" [set maximum allowed errors], default = 100"); - PrintAndLog(" [set maximum Samples to read], default = 32768 (512 bits at rf/64)"); - PrintAndLog(" , 'a' to attempt demod with ask amplification, default = no amp"); - PrintAndLog(""); - PrintAndLog(" sample: data rawdemod am = demod an ask/manchester tag from GraphBuffer"); - PrintAndLog(" : data rawdemod am 32 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32"); - PrintAndLog(" : data rawdemod am 32 1 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32 and inverting data"); - PrintAndLog(" : data rawdemod am 1 = demod an ask/manchester tag from GraphBuffer while inverting data"); - PrintAndLog(" : data rawdemod am 64 1 0 = demod an ask/manchester tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); - return 0; - } + if (strlen(Cmd) > 45 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_am(); + 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); } @@ -414,29 +611,24 @@ int Cmdaskmandemod(const char *Cmd) //stricktly take 10 and 01 and convert to 0 and 1 int Cmdmandecoderaw(const char *Cmd) { - int i =0; - int errCnt=0; - size_t size=0; - int invert=0; + int i = 0; + int errCnt = 0; + size_t size = 0; + int invert = 0; int maxErr = 20; char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 5 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data manrawdecode [invert] [maxErr]"); - PrintAndLog(" Takes 10 and 01 and converts to 0 and 1 respectively"); - PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)"); - PrintAndLog(" [invert] invert output"); - PrintAndLog(" [maxErr] set number of errors allowed (default = 20)"); - PrintAndLog(""); - PrintAndLog(" sample: data manrawdecode = decode manchester bitstream from the demodbuffer"); - return 0; - } + if (strlen(Cmd) > 5 || cmdp == 'h' || cmdp == 'H') return usage_data_manrawdecode(); + if (DemodBufferLen==0) return 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] < low) + low=DemodBuffer[i]; + BitStream[i] = DemodBuffer[i]; } if (high>7 || low <0 ){ PrintAndLog("Error: please raw demod the wave first then manchester raw decode"); @@ -444,22 +636,21 @@ int Cmdmandecoderaw(const char *Cmd) } sscanf(Cmd, "%i %i", &invert, &maxErr); - size=i; - errCnt=manrawdecode(BitStream, &size, invert); - if (errCnt>=maxErr){ + size = i; + errCnt = manrawdecode(BitStream, &size, invert); + if (errCnt >= maxErr){ PrintAndLog("Too many errors: %d",errCnt); return 0; } PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt); PrintAndLog("%s", sprint_bin_break(BitStream, size, 16)); - if (errCnt==0){ + if (errCnt == 0){ uint64_t id = 0; uint32_t hi = 0; size_t idx=0; if (Em410xDecode(BitStream, &size, &idx, &hi, &id)){ //need to adjust to set bitstream back to manchester encoded data //setDemodBuf(BitStream, size, idx); - printEM410x(hi, id); } } @@ -477,20 +668,8 @@ int CmdBiphaseDecodeRaw(const char *Cmd) size_t size=0; int offset=0, invert=0, maxErr=20, errCnt=0; char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data biphaserawdecode [offset] [invert] [maxErr]"); - PrintAndLog(" Converts 10 or 01 to 1 and 11 or 00 to 0"); - PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)"); - PrintAndLog(" --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester"); - PrintAndLog(""); - PrintAndLog(" [offset <0|1>], set to 0 not to adjust start position or to 1 to adjust decode start position"); - PrintAndLog(" [invert <0|1>], set to 1 to invert output"); - PrintAndLog(" [maxErr int], set max errors tolerated - default=20"); - PrintAndLog(""); - PrintAndLog(" sample: data biphaserawdecode = decode biphase bitstream from the demodbuffer"); - PrintAndLog(" sample: data biphaserawdecode 1 1 = decode biphase bitstream from the demodbuffer, set offset, and invert output"); - return 0; - } + if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') return usage_data_biphaserawdecode(); + sscanf(Cmd, "%i %i %i", &offset, &invert, &maxErr); if (DemodBufferLen==0){ PrintAndLog("DemodBuffer Empty - run 'data rawdemod ar' first"); @@ -500,22 +679,23 @@ int CmdBiphaseDecodeRaw(const char *Cmd) memcpy(BitStream, DemodBuffer, DemodBufferLen); size = DemodBufferLen; errCnt=BiphaseRawDecode(BitStream, &size, offset, invert); - if (errCnt<0){ + if (errCnt < 0){ PrintAndLog("Error during decode:%d", errCnt); return 0; } - if (errCnt>maxErr){ + if (errCnt > maxErr){ PrintAndLog("Too many errors attempting to decode: %d",errCnt); return 0; } - if (errCnt>0){ + if (errCnt > 0) PrintAndLog("# Errors found during Demod (shown as 7 in bit stream): %d",errCnt); - } + PrintAndLog("Biphase Decoded using offset: %d - # invert:%d - data:",offset,invert); PrintAndLog("%s", sprint_bin_break(BitStream, size, 16)); - if (offset) setDemodBuf(DemodBuffer,DemodBufferLen-offset, offset); //remove first bit from raw demod + if (offset) + setDemodBuf(DemodBuffer,DemodBufferLen-offset, offset); //remove first bit from raw demod return 1; } @@ -528,7 +708,11 @@ int ASKbiphaseDemod(const char *Cmd, bool verbose) sscanf(Cmd, "%i %i %i %i", &offset, &clk, &invert, &maxErr); uint8_t BitStream[MAX_DEMOD_BUF_LEN]; - size_t size = getFromGraphBuf(BitStream); + size_t size = getFromGraphBuf(BitStream); + if (size == 0 ) { + if (g_debugMode) PrintAndLog("DEBUG: no data in graphbuf"); + return 0; + } //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 ) { @@ -539,11 +723,11 @@ int ASKbiphaseDemod(const char *Cmd, bool verbose) //attempt to Biphase decode BitStream errCnt = BiphaseRawDecode(BitStream, &size, offset, invert); if (errCnt < 0){ - if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode: %d", errCnt); + if (g_debugMode || verbose) PrintAndLog("DEBUG: Error BiphaseRawDecode: %d", errCnt); return 0; } if (errCnt > maxErr) { - if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode too many errors: %d", errCnt); + if (g_debugMode || verbose) PrintAndLog("DEBUG: Error BiphaseRawDecode too many errors: %d", errCnt); return 0; } //success set DemodBuffer and return @@ -558,29 +742,8 @@ int ASKbiphaseDemod(const char *Cmd, bool verbose) int Cmdaskbiphdemod(const char *Cmd) { char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data rawdemod ab [offset] [clock] [maxError] [maxLen] "); - PrintAndLog(" [offset], offset to begin biphase, default=0"); - PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); - PrintAndLog(" , 1 to invert output"); - PrintAndLog(" [set maximum allowed errors], default = 100"); - PrintAndLog(" [set maximum Samples to read], default = 32768 (512 bits at rf/64)"); - PrintAndLog(" , 'a' to attempt demod with ask amplification, default = no amp"); - PrintAndLog(" NOTE: can be entered as second or third argument"); - PrintAndLog(" NOTE: can be entered as first, second or last argument"); - PrintAndLog(" NOTE: any other arg must have previous args set to work"); - PrintAndLog(""); - PrintAndLog(" NOTE: --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester"); - PrintAndLog(""); - PrintAndLog(" sample: data rawdemod ab = demod an ask/biph tag from GraphBuffer"); - PrintAndLog(" : data rawdemod ab 0 a = demod an ask/biph tag from GraphBuffer, amplified"); - PrintAndLog(" : data rawdemod ab 1 32 = demod an ask/biph tag from GraphBuffer using an offset of 1 and a clock of RF/32"); - PrintAndLog(" : data rawdemod ab 0 32 1 = demod an ask/biph tag from GraphBuffer using a clock of RF/32 and inverting data"); - PrintAndLog(" : data rawdemod ab 0 1 = demod an ask/biph tag from GraphBuffer while inverting data"); - PrintAndLog(" : data rawdemod ab 0 64 1 0 = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); - 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; - } + if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_ab(); + return ASKbiphaseDemod(Cmd, TRUE); } @@ -592,72 +755,65 @@ int Cmdaskbiphdemod(const char *Cmd) int CmdG_Prox_II_Demod(const char *Cmd) { if (!ASKbiphaseDemod(Cmd, FALSE)){ - if (g_debugMode) PrintAndLog("ASKbiphaseDemod failed 1st try"); + if (g_debugMode) PrintAndLog("DEBUG: Error - gProxII 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"); + if (g_debugMode) PrintAndLog("DEBUG: 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>2; uint32_t FC = 0; uint32_t Card = 0; + //get raw 96 bits to print 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); + bool unknown = FALSE; + switch(fmtLen) { + case 36: + FC = ((ByteStream[3] & 0x7F)<<7) | (ByteStream[4]>>1); + Card = ((ByteStream[4]&1)<<19) | (ByteStream[5]<<11) | (ByteStream[6]<<3) | (ByteStream[7]>>5); + break; + case 26: + FC = ((ByteStream[3] & 0x7F)<<1) | (ByteStream[4]>>7); + Card = ((ByteStream[4]&0x7F)<<9) | (ByteStream[5]<<1) | (ByteStream[6]>>7); + break; + default : + unknown = TRUE; + break; } - PrintAndLog("Raw: %08x%08x%08x", raw1,raw2,raw3); + if ( !unknown) + PrintAndLog("G-Prox-II Found: Format Len: %ubit - FC: %u - Card: %u, Raw: %08x%08x%08x", fmtLen, FC, Card, raw1, raw2, raw3); + else + PrintAndLog("Unknown G-Prox-II Fmt Found: Format Len: %u, Raw: %08x%08x%08x", fmtLen, raw1, raw2, raw3); + setDemodBuf(DemodBuffer+ans, 96, 0); return 1; } @@ -667,14 +823,14 @@ int CmdG_Prox_II_Demod(const char *Cmd) int CmdVikingDemod(const char *Cmd) { if (!ASKDemod(Cmd, false, false, 1)) { - if (g_debugMode) PrintAndLog("ASKDemod failed"); + if (g_debugMode) PrintAndLog("DEBUG: Error - Viking ASKDemod failed"); return 0; } size_t size = DemodBufferLen; //call lfdemod.c demod for Viking int ans = VikingDemod_AM(DemodBuffer, &size); if (ans < 0) { - if (g_debugMode) PrintAndLog("Error Viking_Demod %d", ans); + if (g_debugMode) PrintAndLog("DEBUG: Error - Viking Demod %d %s", ans, (ans == -5)?"[chksum error]":""); return 0; } //got a good demod @@ -692,23 +848,8 @@ int CmdVikingDemod(const char *Cmd) int Cmdaskrawdemod(const char *Cmd) { char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data rawdemod ar [clock] [maxError] [maxLen] [amplify]"); - PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); - PrintAndLog(" , 1 to invert output"); - PrintAndLog(" [set maximum allowed errors], default = 100"); - PrintAndLog(" [set maximum Samples to read], default = 32768 (1024 bits at rf/64)"); - PrintAndLog(" , 'a' to attempt demod with ask amplification, default = no amp"); - PrintAndLog(""); - PrintAndLog(" sample: data rawdemod ar = demod an ask tag from GraphBuffer"); - PrintAndLog(" : data rawdemod ar a = demod an ask tag from GraphBuffer, amplified"); - PrintAndLog(" : data rawdemod ar 32 = demod an ask tag from GraphBuffer using a clock of RF/32"); - PrintAndLog(" : data rawdemod ar 32 1 = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data"); - PrintAndLog(" : data rawdemod ar 1 = demod an ask tag from GraphBuffer while inverting data"); - PrintAndLog(" : data rawdemod ar 64 1 0 = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); - PrintAndLog(" : data rawdemod ar 64 1 0 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; - } + if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_ar(); + return ASKDemod(Cmd, TRUE, FALSE, 0); } @@ -756,33 +897,20 @@ int AutoCorrelate(int window, bool SaveGrph, bool verbose) return Correlation; } -int usage_data_autocorr(void) -{ - //print help - PrintAndLog("Usage: data autocorr [window] [g]"); - PrintAndLog("Options: "); - PrintAndLog(" h This help"); - PrintAndLog(" [window] window length for correlation - default = 4000"); - PrintAndLog(" g save back to GraphBuffer (overwrite)"); - return 0; -} - int CmdAutoCorr(const char *Cmd) { char cmdp = param_getchar(Cmd, 0); - if (cmdp == 'h' || cmdp == 'H') - return usage_data_autocorr(); + if (cmdp == 'h' || cmdp == 'H') return usage_data_autocorr(); int window = 4000; //set default - char grph=0; + char grph = 0; bool updateGrph = FALSE; sscanf(Cmd, "%i %c", &window, &grph); if (window >= GraphTraceLen) { - PrintAndLog("window must be smaller than trace (%d samples)", - GraphTraceLen); + PrintAndLog("window must be smaller than trace (%d samples)", GraphTraceLen); return 0; } - if (grph == 'g') updateGrph=TRUE; + if (grph == 'g') updateGrph = TRUE; return AutoCorrelate(window, updateGrph, TRUE); } @@ -791,17 +919,16 @@ int CmdBitsamples(const char *Cmd) int cnt = 0; uint8_t got[12288]; - GetFromBigBuf(got,sizeof(got),0); - WaitForResponse(CMD_ACK,NULL); + GetFromBigBuf(got, sizeof(got), 0); + WaitForResponse(CMD_ACK, NULL); - for (int j = 0; j < sizeof(got); j++) { - for (int k = 0; k < 8; k++) { - if(got[j] & (1 << (7 - k))) { - GraphBuffer[cnt++] = 1; - } else { - GraphBuffer[cnt++] = 0; - } - } + for (int j = 0; j < sizeof(got); j++) { + for (int k = 0; k < 8; k++) { + if(got[j] & (1 << (7 - k))) + GraphBuffer[cnt++] = 1; + else + GraphBuffer[cnt++] = 0; + } } GraphTraceLen = cnt; RepaintGraphWindow(); @@ -810,7 +937,10 @@ int CmdBitsamples(const char *Cmd) int CmdBuffClear(const char *Cmd) { - UsbCommand c = {CMD_BUFF_CLEAR}; + char cmdp = param_getchar(Cmd, 0); + if (cmdp == 'h' || cmdp == 'H') return usage_data_buffclear(); + + UsbCommand c = {CMD_BUFF_CLEAR, {0,0,0}}; SendCommand(&c); ClearGraph(true); return 0; @@ -818,9 +948,10 @@ int CmdBuffClear(const char *Cmd) int CmdDec(const char *Cmd) { - for (int i = 0; i < (GraphTraceLen / 2); ++i) + for (int i = 0; i < (GraphTraceLen >> 2); ++i) GraphBuffer[i] = GraphBuffer[i * 2]; - GraphTraceLen /= 2; + + GraphTraceLen >>= 2; PrintAndLog("decimated by 2"); RepaintGraphWindow(); return 0; @@ -834,21 +965,14 @@ int CmdDec(const char *Cmd) */ int CmdUndec(const char *Cmd) { - if(param_getchar(Cmd, 0) == 'h') - { - PrintAndLog("Usage: data undec [factor]"); - PrintAndLog("This function performs un-decimation, by repeating each sample N times"); - PrintAndLog("Options: "); - PrintAndLog(" h This help"); - PrintAndLog(" factor The number of times to repeat each sample.[default:2]"); - PrintAndLog("Example: 'data undec 3'"); - return 0; - } + char cmdp = param_getchar(Cmd, 0); + if (cmdp == 'h' || cmdp == 'H') return usage_data_undecimate(); 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; + int swap[MAX_GRAPH_TRACE_LEN] = {0}; + uint32_t g_index = 0, s_index = 0; while(g_index < GraphTraceLen && s_index + factor < MAX_GRAPH_TRACE_LEN) { int count = 0; @@ -868,18 +992,21 @@ int CmdUndec(const char *Cmd) //shift graph zero up or down based on input + or - int CmdGraphShiftZero(const char *Cmd) { - - int shift=0; + int shift = 0, shiftedVal = 0; //set options from parameters entered with the command sscanf(Cmd, "%i", &shift); - int shiftedVal=0; - for(int i = 0; i127) - shiftedVal=127; - else if (shiftedVal<-127) - shiftedVal=-127; - GraphBuffer[i]= shiftedVal; + + for(int i = 0; i < GraphTraceLen; i++){ + if ( i+shift >= GraphTraceLen) + shiftedVal = GraphBuffer[i]; + else + shiftedVal = GraphBuffer[i] + shift; + + if (shiftedVal > 127) + shiftedVal = 127; + else if (shiftedVal < -127) + shiftedVal = -127; + GraphBuffer[i] = shiftedVal; } CmdNorm(""); return 0; @@ -892,13 +1019,16 @@ 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=thresLen) //large jump up - GraphBuffer[i-1] = 127; - else if(GraphBuffer[i]-GraphBuffer[i-1]<=-1*thresLen) //large jump down - GraphBuffer[i-1] = -127; + for(int i = 1; i < GraphTraceLen; ++i){ + if (GraphBuffer[i] - GraphBuffer[i-1] >= thresLen) //large jump up + last = 127; + else if(GraphBuffer[i] - GraphBuffer[i-1] <= -1 * thresLen) //large jump down + last = -127; + + GraphBuffer[i-1] = last; } RepaintGraphWindow(); return 0; @@ -910,28 +1040,30 @@ int CmdAskEdgeDetect(const char *Cmd) int CmdDetectClockRate(const char *Cmd) { char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 6 || strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data detectclock [modulation] "); - PrintAndLog(" [modulation as char], specify the modulation type you want to detect the clock of"); - PrintAndLog(" , specify the clock (optional - to get best start position only)"); - PrintAndLog(" 'a' = ask, 'f' = fsk, 'n' = nrz/direct, 'p' = psk"); - PrintAndLog(""); - PrintAndLog(" sample: data detectclock a = detect the clock of an ask modulated wave in the GraphBuffer"); - PrintAndLog(" data detectclock f = detect the clock of an fsk modulated wave in the GraphBuffer"); - PrintAndLog(" data detectclock p = detect the clock of an psk modulated wave in the GraphBuffer"); - PrintAndLog(" data detectclock n = detect the clock of an nrz/direct modulated wave in the GraphBuffer"); - } - int ans=0; - if (cmdp == 'a'){ - ans = GetAskClock(Cmd+1, true, false); - } else if (cmdp == 'f'){ - ans = GetFskClock("", true, false); - } else if (cmdp == 'n'){ - ans = GetNrzClock("", true, false); - } else if (cmdp == 'p'){ - ans = GetPskClock("", true, false); - } else { - PrintAndLog ("Please specify a valid modulation to detect the clock of - see option h for help"); + if (strlen(Cmd) > 6 || strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') + return usage_data_detectclock(); + + int ans = 0; + switch ( cmdp ) { + case 'a' : + case 'A' : + ans = GetAskClock(Cmd+1, true, false); + break; + case 'f' : + case 'F' : + ans = GetFskClock("", true, false); + break; + case 'n' : + case 'N' : + ans = GetNrzClock("", true, false); + break; + case 'p' : + case 'P' : + ans = GetPskClock("", true, false); + break; + default : + PrintAndLog ("Please specify a valid modulation to detect the clock of - see option h for help"); + break; } return ans; } @@ -1005,11 +1137,10 @@ int FSKrawDemod(const char *Cmd, bool verbose) // Now output the bitstream to the scrollback by line of 16 bits if (verbose || g_debugMode) { - PrintAndLog("\nUsing Clock:%u, invert:%u, fchigh:%u, fclow:%u", (unsigned int)rfLen, (unsigned int)invert, (unsigned int)fchigh, (unsigned int)fclow); + PrintAndLog("\nUsing Clock:%u, invert:%u, fchigh:%u, fclow:%u", rfLen, invert, fchigh, fclow); PrintAndLog("%s decoded bitstream:", GetFSKType(fchigh, fclow, invert)); printDemodBuff(); } - return 1; } else { if (g_debugMode) PrintAndLog("no FSK data found"); @@ -1024,22 +1155,8 @@ 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') { - PrintAndLog("Usage: data rawdemod fs [clock] [fchigh] [fclow]"); - PrintAndLog(" [set clock as integer] optional, omit for autodetect."); - PrintAndLog(" , 1 for invert output, can be used even if the clock is omitted"); - PrintAndLog(" [fchigh], larger field clock length, omit for autodetect"); - PrintAndLog(" [fclow], small field clock length, omit for autodetect"); - PrintAndLog(""); - PrintAndLog(" sample: data rawdemod fs = demod an fsk tag from GraphBuffer using autodetect"); - PrintAndLog(" : data rawdemod fs 32 = demod an fsk tag from GraphBuffer using a clock of RF/32, autodetect fc"); - PrintAndLog(" : data rawdemod fs 1 = demod an fsk tag from GraphBuffer using autodetect, invert output"); - PrintAndLog(" : data rawdemod fs 32 1 = demod an fsk tag from GraphBuffer using a clock of RF/32, invert output, autodetect fc"); - PrintAndLog(" : data rawdemod fs 64 0 8 5 = demod an fsk1 RF/64 tag from GraphBuffer"); - PrintAndLog(" : data rawdemod fs 50 0 10 8 = demod an fsk2 RF/50 tag from GraphBuffer"); - PrintAndLog(" : data rawdemod fs 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer"); - return 0; - } + if (strlen(Cmd) > 20 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_fs(); + return FSKrawDemod(Cmd, TRUE); } @@ -1051,7 +1168,7 @@ 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}; + uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0}; size_t BitLen = getFromGraphBuf(BitStream); if (BitLen==0) return 0; //get binary from fsk wave @@ -1059,26 +1176,25 @@ int CmdFSKdemodHID(const char *Cmd) if (idx<0){ if (g_debugMode){ if (idx==-1){ - PrintAndLog("DEBUG: Just Noise Detected"); + PrintAndLog("DEBUG: Error - HID just noise detected"); } else if (idx == -2) { - PrintAndLog("DEBUG: Error demoding fsk"); + PrintAndLog("DEBUG: Error - HID problem during FSK demod"); } else if (idx == -3) { - PrintAndLog("DEBUG: Preamble not found"); + PrintAndLog("DEBUG: Error - HID preamble not found"); } else if (idx == -4) { - PrintAndLog("DEBUG: Error in Manchester data, SIZE: %d", BitLen); + PrintAndLog("DEBUG: Error - HID error in Manchester data, SIZE: %d", BitLen); } else { - PrintAndLog("DEBUG: Error demoding fsk %d", idx); + PrintAndLog("DEBUG: Error - HID error demoding fsk %d", idx); } } return 0; } if (hi2==0 && hi==0 && lo==0) { - if (g_debugMode) PrintAndLog("DEBUG: Error - no values found"); + if (g_debugMode) PrintAndLog("DEBUG: Error - HID 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); + PrintAndLog("HID Prox TAG ID: %x%08x%08x (%u)", hi2, hi, lo, (lo>>1) & 0xFFFF); } else { //standard HID tags <38 bits uint8_t fmtLen = 0; @@ -1117,13 +1233,11 @@ int CmdFSKdemodHID(const char *Cmd) 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); + PrintAndLog("HID Prox TAG ID: %x%08x (%u) - Format Len: %ubit - FC: %u - Card: %u", hi, lo, (lo>>1) & 0xFFFF, fmtLen, fc, cardnum); } setDemodBuf(BitStream,BitLen,idx); if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); + PrintAndLog("DEBUG: HID idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); printDemodBuff(); } return 1; @@ -1145,21 +1259,21 @@ int CmdFSKdemodParadox(const char *Cmd) if (idx<0){ if (g_debugMode){ if (idx==-1){ - PrintAndLog("DEBUG: Just Noise Detected"); + PrintAndLog("DEBUG: Error - Paradox just noise detected"); } else if (idx == -2) { - PrintAndLog("DEBUG: Error demoding fsk"); + PrintAndLog("DEBUG: Error - Paradox error demoding fsk"); } else if (idx == -3) { - PrintAndLog("DEBUG: Preamble not found"); + PrintAndLog("DEBUG: Error - Paradox preamble not found"); } else if (idx == -4) { - PrintAndLog("DEBUG: Error in Manchester data"); + PrintAndLog("DEBUG: Error - Paradox error in Manchester data"); } else { - PrintAndLog("DEBUG: Error demoding fsk %d", idx); + PrintAndLog("DEBUG: Error - Paradox error demoding fsk %d", idx); } } return 0; } if (hi2==0 && hi==0 && lo==0){ - if (g_debugMode) PrintAndLog("DEBUG: Error - no value found"); + if (g_debugMode) PrintAndLog("DEBUG: Error - Paradox no value found"); return 0; } uint32_t fc = ((hi & 0x3)<<6) | (lo>>26); @@ -1172,7 +1286,7 @@ int CmdFSKdemodParadox(const char *Cmd) hi>>10, (hi & 0x3)<<26 | (lo>>10), fc, cardnum, (lo>>2) & 0xFF, rawHi2, rawHi, rawLo); setDemodBuf(BitStream,BitLen,idx); if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, len: %d, Printing Demod Buffer:", idx, BitLen); + PrintAndLog("DEBUG: Paradox idx: %d, len: %d, Printing Demod Buffer:", idx, BitLen); printDemodBuff(); } return 1; @@ -1183,42 +1297,46 @@ int CmdFSKdemodParadox(const char *Cmd) //print ioprox ID and some format details int CmdFSKdemodIO(const char *Cmd) { - int idx=0; + int retval = 0; + int idx = 0; + char crcStr[20]; + memset(crcStr, 0x00, sizeof(crcStr) ); + //something in graphbuffer? if (GraphTraceLen < 65) { - if (g_debugMode)PrintAndLog("DEBUG: not enough samples in GraphBuffer"); - return 0; + if (g_debugMode)PrintAndLog("DEBUG: Error - IO prox not enough samples in GraphBuffer"); + return retval; } uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - size_t BitLen = getFromGraphBuf(BitStream); - if (BitLen==0) return 0; + size_t bitlen = getFromGraphBuf(BitStream); + if (bitlen == 0) return retval; //get binary from fsk wave - idx = IOdemodFSK(BitStream,BitLen); + idx = IOdemodFSK(BitStream, bitlen); if (idx<0){ if (g_debugMode){ if (idx==-1){ - PrintAndLog("DEBUG: Just Noise Detected"); + PrintAndLog("DEBUG: Error - IO prox just noise detected"); } else if (idx == -2) { - PrintAndLog("DEBUG: not enough samples"); + PrintAndLog("DEBUG: Error - IO prox not enough samples"); } else if (idx == -3) { - PrintAndLog("DEBUG: error during fskdemod"); + PrintAndLog("DEBUG: Error - IO prox error during fskdemod"); } else if (idx == -4) { - PrintAndLog("DEBUG: Preamble not found"); + PrintAndLog("DEBUG: Error - IO prox preamble not found"); } else if (idx == -5) { - PrintAndLog("DEBUG: Separator bits not found"); + PrintAndLog("DEBUG: Error - IO prox separator bits not found"); } else { - PrintAndLog("DEBUG: Error demoding fsk %d", idx); + PrintAndLog("DEBUG: Error - IO prox error demoding fsk %d", idx); } } - return 0; + return retval; } 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)); + PrintAndLog("DEBUG: Error - IO prox data not found - FSK Bits: %d", bitlen); + if (bitlen > 92) PrintAndLog("%s", sprint_bin_break(BitStream,92,16)); } - return 0; + return retval; } //Index map //0 10 20 30 40 50 60 @@ -1229,18 +1347,21 @@ int CmdFSKdemodIO(const char *Cmd) // //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; + if (idx + 64 > bitlen) { + if (g_debugMode) PrintAndLog("DEBUG: Error - IO prox not enough bits found - bitlen: %d", bitlen); + return retval; } - 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]); - + + if (g_debugMode) { + 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 @@ -1249,21 +1370,29 @@ int CmdFSKdemodIO(const char *Cmd) 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); + 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"; + if (crc == calccrc) { + snprintf(crcStr, 3, "ok"); + retval = 1; + } else { + if (g_debugMode) PrintAndLog("DEBUG: Error - IO prox crc failed"); + + snprintf(crcStr, 20, "failed 0x%02X != 0x%02X", crc, calccrc); + retval = 0; + } - PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x) [%02x %s]",version,facilitycode,number,code,code2, crc, crcStr); + PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x) [crc %s]",version,facilitycode,number,code,code2, crcStr); setDemodBuf(BitStream,64,idx); if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx,64); + PrintAndLog("DEBUG: IO prox idx: %d, Len: %d, Printing demod buffer:", idx, 64); printDemodBuff(); - } - return 1; + } + return retval; } //by marshmellow @@ -1278,19 +1407,19 @@ int CmdFSKdemodAWID(const char *Cmd) //get binary from fsk wave int idx = AWIDdemodFSK(BitStream, &size); if (idx<=0){ - if (g_debugMode==1){ + if (g_debugMode){ if (idx == -1) - PrintAndLog("DEBUG: Error - not enough samples"); + PrintAndLog("DEBUG: Error - AWID not enough samples"); else if (idx == -2) - PrintAndLog("DEBUG: Error - only noise found"); + PrintAndLog("DEBUG: Error - AWID only noise found"); else if (idx == -3) - PrintAndLog("DEBUG: Error - problem during FSK demod"); + PrintAndLog("DEBUG: Error - AWID 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); + PrintAndLog("DEBUG: Error - AWID size not correct: %d", size); else - PrintAndLog("DEBUG: Error %d",idx); + PrintAndLog("DEBUG: Error - AWID error %d",idx); } return 0; } @@ -1316,7 +1445,7 @@ int CmdFSKdemodAWID(const char *Cmd) 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"); + if (g_debugMode) PrintAndLog("DEBUG: Error - AWID at parity check-tag size does not match AWID format"); return 0; } // ok valid card found! @@ -1329,37 +1458,68 @@ int CmdFSKdemodAWID(const char *Cmd) // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000 // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx // |26 bit| |-117--| |-----142------| + // + // 00110010 0 0000111110100000 00000000000100010010100010000111 1 000000000 + // bbbbbbbb w ffffffffffffffff cccccccccccccccccccccccccccccccc w xxxxxxxxx + // |50 bit| |----4000------| |-----------2248975------------| // 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); - } + uint8_t fmtLen = bytebits_to_byte(BitStream, 8); + + switch(fmtLen) { + case 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: %u - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo); + break; + case 34: + fc = bytebits_to_byte(BitStream + 9, 8); + cardnum = bytebits_to_byte(BitStream + 17, 24); + code1 = bytebits_to_byte(BitStream + 8, (fmtLen-32) ); + code2 = bytebits_to_byte(BitStream + 8 + (fmtLen-32), 32); + PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, code2, rawHi2, rawHi, rawLo); + break; + case 37: + fc = bytebits_to_byte(BitStream + 9, 13); + cardnum = bytebits_to_byte(BitStream + 22, 18); + code1 = bytebits_to_byte(BitStream + 8, (fmtLen-32) ); + code2 = bytebits_to_byte(BitStream + 8 + (fmtLen-32), 32); + PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, code2, rawHi2, rawHi, rawLo); + break; + // case 40: + // break; + case 50: + fc = bytebits_to_byte(BitStream + 9, 16); + cardnum = bytebits_to_byte(BitStream + 25, 32); + code1 = bytebits_to_byte(BitStream + 8, (fmtLen-32) ); + code2 = bytebits_to_byte(BitStream + 8 + (fmtLen-32), 32); + PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, code2, rawHi2, rawHi, rawLo); + break; + default: + if (fmtLen > 32 ) { + cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16); + code1 = bytebits_to_byte(BitStream+8,fmtLen-32); + code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32); + PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%u) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo); + } else { + cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16); + code1 = bytebits_to_byte(BitStream+8,fmtLen); + PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%u) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo); + } + break; } + if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx, 96); + PrintAndLog("DEBUG: AWID idx: %d, Len: %d Printing Demod Buffer:", idx, 96); printDemodBuff(); } - //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands return 1; } @@ -1376,19 +1536,19 @@ int CmdFSKdemodPyramid(const char *Cmd) //get binary from fsk wave int idx = PyramiddemodFSK(BitStream, &size); if (idx < 0){ - if (g_debugMode==1){ + if (g_debugMode){ if (idx == -5) - PrintAndLog("DEBUG: Error - not enough samples"); + PrintAndLog("DEBUG: Error - Pyramid: not enough samples"); else if (idx == -1) - PrintAndLog("DEBUG: Error - only noise found"); + PrintAndLog("DEBUG: Error - Pyramid: only noise found"); else if (idx == -2) - PrintAndLog("DEBUG: Error - problem during FSK demod"); + PrintAndLog("DEBUG: Error - Pyramid: problem during FSK demod"); else if (idx == -3) - PrintAndLog("DEBUG: Error - Size not correct: %d", size); + PrintAndLog("DEBUG: Error - Pyramid: size not correct: %d", size); else if (idx == -4) - PrintAndLog("DEBUG: Error - Pyramid preamble not found"); + PrintAndLog("DEBUG: Error - Pyramid: preamble not found"); else - PrintAndLog("DEBUG: Error - idx: %d",idx); + PrintAndLog("DEBUG: Error - Pyramid: idx: %d",idx); } return 0; } @@ -1421,19 +1581,23 @@ int CmdFSKdemodPyramid(const char *Cmd) } //check checksum calc //checksum calc thanks to ICEMAN!! - uint32_t checkCS = CRC8Maxim(csBuff,13); + 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); + 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); + if (g_debugMode) { + if ( size == 0) + PrintAndLog("DEBUG: Error - Pyramid: parity check failed - IDX: %d, hi3: %08X", idx, rawHi3); + else + PrintAndLog("DEBUG: Error - Pyramid: at parity check - tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %08X", size, idx, rawHi3); + } return 0; } @@ -1491,7 +1655,7 @@ int CmdFSKdemodPyramid(const char *Cmd) PrintAndLog("Checksum %02x failed - should have been %02x", checksum, checkCS); if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128); + PrintAndLog("DEBUG: Pyramid: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128); printDemodBuff(); } return 1; @@ -1525,23 +1689,23 @@ 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: %d", errCnt, clk); + if (g_debugMode) PrintAndLog("DEBUG: Error - FDXB 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); + if (g_debugMode) PrintAndLog("DEBUG: Error - FDXB BiphaseRawDecode: %d", errCnt); return 0; } int preambleIndex = FDXBdemodBI(BitStream, &size); if (preambleIndex < 0){ - if (g_debugMode) PrintAndLog("Error FDXBDemod , no startmarker found :: %d",preambleIndex); + if (g_debugMode) PrintAndLog("DEBUG: Error - FDXB preamble not found :: %d",preambleIndex); return 0; } if (size != 128) { - if (g_debugMode) PrintAndLog("Error incorrect data length found"); + if (g_debugMode) PrintAndLog("DEBUG: Error - FDXB incorrect data length found"); return 0; } @@ -1550,15 +1714,10 @@ int CmdFDXBdemodBI(const char *Cmd){ // remove marker bits (1's every 9th digit after preamble) (pType = 2) size = removeParity(BitStream, preambleIndex + 11, 9, 2, 117); if ( size != 104 ) { - if (g_debugMode) PrintAndLog("Error removeParity:: %d", size); + if (g_debugMode) PrintAndLog("DEBUG: Error - FDXB 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); @@ -1576,15 +1735,20 @@ int CmdFDXBdemodBI(const char *Cmd){ 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("Animal ID: %04u-%012" PRIu64, countryCode, NationalCode); + PrintAndLog("National Code: %012" PRIu64, 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("Reserved/RFU: %u", reservedCode); + PrintAndLog("Animal Tag: %s", animalBit ? "True" : "False"); + PrintAndLog("Has extended data: %s [0x%X]", dataBlockBit ? "True" : "False", extended); PrintAndLog("CRC: 0x%04X - [%04X] - %s", crc16, calcCrc, (calcCrc == crc16) ? "Passed" : "Failed"); - PrintAndLog("Extended: 0x%X\n", extended); - + + if (g_debugMode) { + PrintAndLog("Start marker %d; Size %d", preambleIndex, size); + char *bin = sprint_bin_break(BitStream,size,16); + PrintAndLog("DEBUG BinStream:\n%s",bin); + } return 1; } @@ -1593,9 +1757,7 @@ int CmdFDXBdemodBI(const char *Cmd){ //attempt to psk1 demod graph buffer int PSKDemod(const char *Cmd, bool verbose) { - int invert=0; - int clk=0; - int maxErr=100; + int invert = 0, clk = 0, maxErr = 100; sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr); if (clk==1){ invert=1; @@ -1605,25 +1767,26 @@ int PSKDemod(const char *Cmd, bool verbose) if (g_debugMode || verbose) PrintAndLog("Invalid argument: %s", Cmd); return 0; } - uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; + uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0}; size_t BitLen = getFromGraphBuf(BitStream); if (BitLen==0) return 0; - uint8_t carrier=countFC(BitStream, BitLen, 0); + + uint8_t carrier = countFC(BitStream, BitLen, 0); if (carrier!=2 && carrier!=4 && carrier!=8){ //invalid carrier return 0; } - if (g_debugMode){ - PrintAndLog("Carrier: rf/%d",carrier); - } + + if (g_debugMode) PrintAndLog("Carrier: rf/%d",carrier); + int errCnt=0; errCnt = pskRawDemod(BitStream, &BitLen, &clk, &invert); if (errCnt > maxErr){ - if (g_debugMode || verbose) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); + if (g_debugMode || verbose) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d", clk, invert, BitLen, errCnt); return 0; } if (errCnt<0|| BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first) - if (g_debugMode || verbose) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); + if (g_debugMode || verbose) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d", clk, invert, BitLen, errCnt); return 0; } if (verbose || g_debugMode){ @@ -1633,7 +1796,7 @@ int PSKDemod(const char *Cmd, bool verbose) } } //prime demod buffer for output - setDemodBuf(BitStream,BitLen,0); + setDemodBuf(BitStream, BitLen, 0); return 1; } @@ -1650,41 +1813,42 @@ int CmdIndalaDecode(const char *Cmd) } if (!ans){ - if (g_debugMode==1) - PrintAndLog("Error1: %d",ans); + if (g_debugMode) PrintAndLog("DEBUG: Error - Indala can't demod signal: %d",ans); return 0; } - uint8_t invert=0; + + uint8_t invert = 0; size_t size = DemodBufferLen; - size_t startIdx = indala26decode(DemodBuffer, &size, &invert); - if (startIdx < 1 || size > 224) { - if (g_debugMode==1) - PrintAndLog("Error2: %d",ans); + int startIdx = indala26decode(DemodBuffer, &size, &invert); + if (startIdx < 0 || size > 224) { + if (g_debugMode) PrintAndLog("DEBUG: Error - Indala wrong size, expected [64|224] got: %d", size); return -1; } - setDemodBuf(DemodBuffer, size, startIdx); + setDemodBuf(DemodBuffer, size, (size_t)startIdx); if (invert) - if (g_debugMode==1) - PrintAndLog("Had to invert bits"); + if (g_debugMode) PrintAndLog("DEBUG: Error - Indala had to invert bits"); - PrintAndLog("BitLen: %d",DemodBufferLen); //convert UID to HEX uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7; - uid1=bytebits_to_byte(DemodBuffer,32); - uid2=bytebits_to_byte(DemodBuffer+32,32); + uid1 = bytebits_to_byte(DemodBuffer,32); + uid2 = bytebits_to_byte(DemodBuffer+32,32); if (DemodBufferLen==64){ - PrintAndLog("Indala UID=%s (%x%08x)", sprint_bin_break(DemodBuffer,DemodBufferLen,16), uid1, uid2); + PrintAndLog("Indala Found - Bitlength %d, UID = (%x%08x)\n%s", + DemodBufferLen, uid1, uid2, sprint_bin_break(DemodBuffer,DemodBufferLen,32) + ); } else { - uid3=bytebits_to_byte(DemodBuffer+64,32); - uid4=bytebits_to_byte(DemodBuffer+96,32); - uid5=bytebits_to_byte(DemodBuffer+128,32); - uid6=bytebits_to_byte(DemodBuffer+160,32); - uid7=bytebits_to_byte(DemodBuffer+192,32); - PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)", - sprint_bin_break(DemodBuffer,DemodBufferLen,16), uid1, uid2, uid3, uid4, uid5, uid6, uid7); + uid3 = bytebits_to_byte(DemodBuffer+64,32); + uid4 = bytebits_to_byte(DemodBuffer+96,32); + uid5 = bytebits_to_byte(DemodBuffer+128,32); + uid6 = bytebits_to_byte(DemodBuffer+160,32); + uid7 = bytebits_to_byte(DemodBuffer+192,32); + PrintAndLog("Indala Found - Bitlength %d, UID = (%x%08x%08x%08x%08x%08x%08x)\n%s", + DemodBufferLen, + uid1, uid2, uid3, uid4, uid5, uid6, uid7, sprint_bin_break(DemodBuffer,DemodBufferLen,32) + ); } if (g_debugMode){ - PrintAndLog("DEBUG: printing demodbuffer:"); + PrintAndLog("DEBUG: Indala - printing demodbuffer:"); printDemodBuff(); } return 1; @@ -1693,12 +1857,18 @@ int CmdIndalaDecode(const char *Cmd) int CmdPSKNexWatch(const char *Cmd) { if (!PSKDemod("", false)) return 0; + uint8_t preamble[28] = {0,0,0,0,0,1,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; size_t startIdx = 0, size = DemodBufferLen; + + // sanity check. + if ( size < sizeof(preamble) + 100) return 0; + bool invert = false; if (!preambleSearch(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx)){ // if didn't find preamble try again inverting if (!PSKDemod("1", false)) return 0; + size = DemodBufferLen; if (!preambleSearch(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx)) return 0; invert = true; @@ -1720,7 +1890,7 @@ int CmdPSKNexWatch(const char *Cmd) //output PrintAndLog("NexWatch ID: %d", ID); if (invert){ - PrintAndLog("Had to Invert - probably NexKey"); + PrintAndLog("DEBUG: Error - NexWatch had to Invert - probably NexKey"); for (uint8_t idx=0; idx 10 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data rawdemod nr [clock] <0|1> [maxError]"); - PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); - PrintAndLog(" , 1 for invert output"); - PrintAndLog(" [set maximum allowed errors], default = 100."); - PrintAndLog(""); - PrintAndLog(" sample: data rawdemod nr = demod a nrz/direct tag from GraphBuffer"); - PrintAndLog(" : data rawdemod nr 32 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32"); - PrintAndLog(" : data rawdemod nr 32 1 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32 and inverting data"); - PrintAndLog(" : data rawdemod nr 1 = demod a nrz/direct tag from GraphBuffer while inverting data"); - 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; - } + if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_nr(); + return NRZrawDemod(Cmd, TRUE); } @@ -1800,26 +2016,14 @@ int CmdPSK1rawDemod(const char *Cmd) { int ans; char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data rawdemod p1 [clock] <0|1> [maxError]"); - PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); - PrintAndLog(" , 1 for invert output"); - PrintAndLog(" [set maximum allowed errors], default = 100."); - PrintAndLog(""); - PrintAndLog(" sample: data rawdemod p1 = demod a psk1 tag from GraphBuffer"); - PrintAndLog(" : data rawdemod p1 32 = demod a psk1 tag from GraphBuffer using a clock of RF/32"); - PrintAndLog(" : data rawdemod p1 32 1 = demod a psk1 tag from GraphBuffer using a clock of RF/32 and inverting data"); - PrintAndLog(" : data rawdemod p1 1 = demod a psk1 tag from GraphBuffer while inverting data"); - 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; - } + if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_p1(); + ans = PSKDemod(Cmd, TRUE); //output if (!ans){ if (g_debugMode) PrintAndLog("Error demoding: %d",ans); return 0; } - PrintAndLog("PSK1 demoded bitstream:"); // Now output the bitstream to the scrollback by line of 16 bits printDemodBuff(); @@ -1830,22 +2034,11 @@ int CmdPSK1rawDemod(const char *Cmd) // takes same args as cmdpsk1rawdemod int CmdPSK2rawDemod(const char *Cmd) { - int ans=0; + int ans = 0; char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data rawdemod p2 [clock] <0|1> [maxError]"); - PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); - PrintAndLog(" , 1 for invert output"); - PrintAndLog(" [set maximum allowed errors], default = 100."); - PrintAndLog(""); - PrintAndLog(" sample: data rawdemod p2 = demod a psk2 tag from GraphBuffer, autodetect clock"); - PrintAndLog(" : data rawdemod p2 32 = demod a psk2 tag from GraphBuffer using a clock of RF/32"); - PrintAndLog(" : data rawdemod p2 32 1 = demod a psk2 tag from GraphBuffer using a clock of RF/32 and inverting output"); - PrintAndLog(" : data rawdemod p2 1 = demod a psk2 tag from GraphBuffer, autodetect clock and invert output"); - 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); + if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_p2(); + + ans = PSKDemod(Cmd, TRUE); if (!ans){ if (g_debugMode) PrintAndLog("Error demoding: %d",ans); return 0; @@ -1861,51 +2054,37 @@ int CmdPSK2rawDemod(const char *Cmd) int CmdRawDemod(const char *Cmd) { char cmdp = Cmd[0]; //param_getchar(Cmd, 0); - - if (strlen(Cmd) > 20 || cmdp == 'h' || cmdp == 'H' || strlen(Cmd)<2) { - PrintAndLog("Usage: data rawdemod [modulation] |"); - 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"); - PrintAndLog(" as 'h', prints the help for the specific modulation"); - PrintAndLog(" see specific modulation help for optional parameters"); - PrintAndLog(""); - PrintAndLog(" sample: data rawdemod fs h = print help specific to fsk demod"); - PrintAndLog(" : data rawdemod fs = demod GraphBuffer using: fsk - autodetect"); - PrintAndLog(" : data rawdemod ab = demod GraphBuffer using: ask/biphase - autodetect"); - PrintAndLog(" : data rawdemod am = demod GraphBuffer using: ask/manchester - autodetect"); - PrintAndLog(" : data rawdemod ar = demod GraphBuffer using: ask/raw - autodetect"); - PrintAndLog(" : data rawdemod nr = demod GraphBuffer using: nrz/direct - autodetect"); - PrintAndLog(" : data rawdemod p1 = demod GraphBuffer using: psk1 - autodetect"); - PrintAndLog(" : data rawdemod p2 = demod GraphBuffer using: psk2 - autodetect"); - return 0; - } char cmdp2 = Cmd[1]; int ans = 0; - if (cmdp == 'f' && cmdp2 == 's'){ + + if (strlen(Cmd) > 35 || cmdp == 'h' || cmdp == 'H' || strlen(Cmd) < 2) + return usage_data_rawdemod(); + + if (cmdp == 'f' && cmdp2 == 's') ans = CmdFSKrawdemod(Cmd+2); - } else if(cmdp == 'a' && cmdp2 == 'b'){ + else if(cmdp == 'a' && cmdp2 == 'b') ans = Cmdaskbiphdemod(Cmd+2); - } else if(cmdp == 'a' && cmdp2 == 'm'){ + else if(cmdp == 'a' && cmdp2 == 'm') ans = Cmdaskmandemod(Cmd+2); - } else if(cmdp == 'a' && cmdp2 == 'r'){ + else if(cmdp == 'a' && cmdp2 == 'r') ans = Cmdaskrawdemod(Cmd+2); - } else if(cmdp == 'n' && cmdp2 == 'r'){ + else if(cmdp == 'n' && cmdp2 == 'r') ans = CmdNRZrawDemod(Cmd+2); - } else if(cmdp == 'p' && cmdp2 == '1'){ + else if(cmdp == 'p' && cmdp2 == '1') ans = CmdPSK1rawDemod(Cmd+2); - } else if(cmdp == 'p' && cmdp2 == '2'){ + else if(cmdp == 'p' && cmdp2 == '2') ans = CmdPSK2rawDemod(Cmd+2); - } else { + else PrintAndLog("unknown modulation entered - see help ('h') for parameter structure"); - } + return ans; } - +//iceman: diff sizes on the plotwindow? int CmdGrid(const char *Cmd) { sscanf(Cmd, "%i %i", &PlotGridX, &PlotGridY); - PlotGridXdefault= PlotGridX; - PlotGridYdefault= PlotGridY; + PlotGridXdefault = PlotGridX; + PlotGridYdefault = PlotGridY; RepaintGraphWindow(); return 0; } @@ -1967,7 +2146,9 @@ int CmdHpf(const char *Cmd) for (i = 10; i < GraphTraceLen; ++i) accum += GraphBuffer[i]; + accum /= (GraphTraceLen - 10); + for (i = 0; i < GraphTraceLen; ++i) GraphBuffer[i] -= accum; @@ -1986,10 +2167,9 @@ uint8_t getByte(uint8_t bits_per_sample, BitstreamOut* b) { int i; uint8_t val = 0; - for(i =0 ; i < bits_per_sample; i++) - { + for(i = 0 ; i < bits_per_sample; i++) val |= (_headBit(b) << (7-i)); - } + return val; } @@ -2007,9 +2187,9 @@ int getSamples(const char *Cmd, bool silent) if ( n == 0 || n > sizeof(got)) n = sizeof(got); - PrintAndLog("Reading %d bytes from device memory\n", n); + if (!silent) PrintAndLog("Reading %d bytes from device memory\n", n); GetFromBigBuf(got,n,0); - PrintAndLog("Data fetched"); + if (!silent) PrintAndLog("Data fetched"); UsbCommand response; if ( !WaitForResponseTimeout(CMD_ACK, &response, 10000) ) { PrintAndLog("timeout while waiting for reply."); @@ -2019,15 +2199,14 @@ int getSamples(const char *Cmd, bool silent) uint8_t bits_per_sample = 8; //Old devices without this feature would send 0 at arg[0] - if(response.arg[0] > 0) - { + if (response.arg[0] > 0) { sample_config *sc = (sample_config *) response.d.asBytes; - PrintAndLog("Samples @ %d bits/smpl, decimation 1:%d ", sc->bits_per_sample, sc->decimation); + if (!silent) PrintAndLog("Samples @ %d bits/smpl, decimation 1:%d ", sc->bits_per_sample, sc->decimation); bits_per_sample = sc->bits_per_sample; } - if(bits_per_sample < 8) - { - PrintAndLog("Unpacking..."); + + if (bits_per_sample < 8) { + if (!silent) PrintAndLog("Unpacking..."); BitstreamOut bout = { got, bits_per_sample * n, 0}; int j =0; for (j = 0; j * bits_per_sample < n * 8 && j < n; j++) { @@ -2035,9 +2214,8 @@ int getSamples(const char *Cmd, bool silent) GraphBuffer[j] = ((int) sample )- 128; } GraphTraceLen = j; - PrintAndLog("Unpacked %d samples" , j ); - }else - { + if (!silent) PrintAndLog("Unpacked %d samples" , j ); + } else { for (int j = 0; j < n; j++) { GraphBuffer[j] = ((int)got[j]) - 128; } @@ -2065,12 +2243,19 @@ int CmdTuneSamples(const char *Cmd) while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING, &resp, 2000)) { timeout++; printf("."); + fflush(stdout); if (timeout > 7) { PrintAndLog("\nNo response from Proxmark. Aborting..."); return 1; } } +#define NON_VOLTAGE 999 +#define LF_UNUSABLE_V 2948 // was 2000. Changed due to bugfix in voltage measurements. LF results are now 47% higher. +#define LF_MARGINAL_V 14739 // was 10000. Changed due to bugfix bug in voltage measurements. LF results are now 47% higher. +#define HF_UNUSABLE_V 3167 // was 2000. Changed due to bugfix in voltage measurements. HF results are now 58% higher. +#define HF_MARGINAL_V 7917 // was 5000. Changed due to bugfix in voltage measurements. HF results are now 58% higher. + int peakv, peakf; int vLf125, vLf134, vHf; vLf125 = resp.arg[0] & 0xffff; @@ -2079,15 +2264,16 @@ int CmdTuneSamples(const char *Cmd) 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 ( vLf125 > NON_VOLTAGE ) + PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125/1000.0); + if ( vLf134 > NON_VOLTAGE ) + PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134/1000.0); + if ( peakv > NON_VOLTAGE && peakf > 0 ) + PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1)); + if ( vHf > NON_VOLTAGE ) + PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf/1000.0); + - #define LF_UNUSABLE_V 2948 // was 2000. Changed due to bugfix in voltage measurements. LF results are now 47% higher. - #define LF_MARGINAL_V 14739 // was 10000. Changed due to bugfix bug in voltage measurements. LF results are now 47% higher. - #define HF_UNUSABLE_V 3167 // was 2000. Changed due to bugfix in voltage measurements. HF results are now 58% higher. - #define HF_MARGINAL_V 7917 // was 5000. Changed due to bugfix in voltage measurements. HF results are now 58% higher. if (peakv < LF_UNUSABLE_V) PrintAndLog("# Your LF antenna is unusable."); @@ -2111,7 +2297,6 @@ int CmdTuneSamples(const char *Cmd) return 0; } - int CmdLoad(const char *Cmd) { char filename[FILE_PATH_SIZE] = {0x00}; @@ -2133,7 +2318,9 @@ int CmdLoad(const char *Cmd) GraphBuffer[GraphTraceLen] = atoi(line); GraphTraceLen++; } - fclose(f); + if (f) + fclose(f); + PrintAndLog("loaded %d samples", GraphTraceLen); RepaintGraphWindow(); return 0; @@ -2168,17 +2355,14 @@ int CmdNorm(const char *Cmd) int max = INT_MIN, min = INT_MAX; for (i = 10; i < GraphTraceLen; ++i) { - if (GraphBuffer[i] > max) - max = GraphBuffer[i]; - if (GraphBuffer[i] < min) - min = GraphBuffer[i]; + if (GraphBuffer[i] > max) max = GraphBuffer[i]; + if (GraphBuffer[i] < min) min = GraphBuffer[i]; } 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(); @@ -2200,17 +2384,18 @@ int CmdSave(const char *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'", filename); return 0; } - int i; - for (i = 0; i < GraphTraceLen; i++) { + + for (int i = 0; i < GraphTraceLen; i++) fprintf(f, "%d\n", GraphBuffer[i]); - } - fclose(f); + + if (f) + fclose(f); + PrintAndLog("saved to '%s'", Cmd); return 0; } @@ -2253,7 +2438,6 @@ int CmdDirectionalThreshold(const char *Cmd) { lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it. GraphBuffer[i] = GraphBuffer[i-1]; - } } GraphBuffer[0] = GraphBuffer[1]; // Aline with first edited sample. @@ -2290,12 +2474,6 @@ int CmdZerocrossings(const char *Cmd) return 0; } -int usage_data_bin2hex(){ - PrintAndLog("Usage: data bin2hex "); - 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 @@ -2305,9 +2483,8 @@ 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; @@ -2315,44 +2492,33 @@ int Cmdbin2hex(const char *Cmd) memset(arr, 0, bytelen); BitstreamOut bout = { arr, 0, 0 }; - for(; bg <= en ;bg++) - { + 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) - { + 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 "); - 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 ) - { + while (bg <= en ) { char x = Cmd[bg++]; // capitalize if (x >= 'a' && x <= 'f') @@ -2377,20 +2543,28 @@ int Cmdhex2bin(const char *Cmd) return 0; } +int CmdDataIIR(const char *Cmd){ + uint8_t k = param_get8(Cmd,0); + //iceIIR_Butterworth(GraphBuffer, GraphTraceLen); + iceSimple_Filter(GraphBuffer, GraphTraceLen, k); + RepaintGraphWindow(); + 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)"}, + {"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"}, {"askvikingdemod", CmdVikingDemod, 1, "Demodulate a Viking AM 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 -- Converts binary to hexadecimal"}, + {"bin2hex", Cmdbin2hex, 1, " -- Converts binary to hexadecimal"}, {"bitsamples", CmdBitsamples, 0, "Get raw samples as bitstring"}, - {"buffclear", CmdBuffClear, 1, "Clear sample buffer and graph window"}, + {"buffclear", CmdBuffClear, 1, "Clears bigbuff on deviceside. d 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)"}, + {"detectclock", CmdDetectClockRate, 1, "[] Detect ASK, FSK, NRZ, PSK clock rate of wave in GraphBuffer"}, {"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"}, @@ -2401,7 +2575,7 @@ static command_t CommandTable[] = {"getbitstream", CmdGetBitStream, 1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"}, {"grid", CmdGrid, 1, " -- overlay grid on graph window, use zero value to turn off either"}, {"hexsamples", CmdHexsamples, 0, " [] -- Dump big buffer as hex bytes"}, - {"hex2bin", Cmdhex2bin, 1, "hex2bin -- Converts hexadecimal to binary"}, + {"hex2bin", Cmdhex2bin, 1, " -- Converts hexadecimal to binary"}, {"hide", CmdHide, 1, "Hide graph window"}, {"hpf", CmdHpf, 1, "Remove DC offset from trace"}, {"load", CmdLoad, 1, " -- Load trace (to graph window"}, @@ -2423,6 +2597,7 @@ static command_t CommandTable[] = {"tune", CmdTuneSamples, 0, "Get hw tune samples for graph window"}, {"undec", CmdUndec, 1, "Un-decimate samples by 2"}, {"zerocrossings", CmdZerocrossings, 1, "Count time between zero-crossings"}, + {"iir", CmdDataIIR, 0, "apply IIR buttersworth filter on plotdata"}, {NULL, NULL, 0, NULL} };