X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/0ec548dc2122f9bc0f0b536db5fa1a12f1f5c16a..c309eca94aa9ed5030d38f01250af863ea2a3c8c:/client/cmdlf.c diff --git a/client/cmdlf.c b/client/cmdlf.c index 30c8bb22..7c5d273f 100644 --- a/client/cmdlf.c +++ b/client/cmdlf.c @@ -527,7 +527,8 @@ static void ChkBitstream(const char *str) } } } -//appears to attempt to simulate manchester +//Attempt to simulate any wave in buffer (one bit per output sample) +// converts GraphBuffer to bitstream (based on zero crossings) if needed. int CmdLFSim(const char *Cmd) { int i,j; @@ -535,11 +536,11 @@ int CmdLFSim(const char *Cmd) sscanf(Cmd, "%i", &gap); - /* convert to bitstream if necessary */ + // convert to bitstream if necessary ChkBitstream(Cmd); - //can send 512 bits at a time (1 byte sent per bit...) + //can send only 512 bits at a time (1 byte sent per bit...) printf("Sending [%d bytes]", GraphTraceLen); for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) { UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}}; @@ -611,8 +612,8 @@ int usage_lf_simpsk(void) // - allow pull data from DemodBuffer int CmdLFfskSim(const char *Cmd) { - //might be able to autodetect FC and clock from Graphbuffer if using demod buffer - //will need FChigh, FClow, Clock, and bitstream + //might be able to autodetect FCs and clock from Graphbuffer if using demod buffer + // otherwise will need FChigh, FClow, Clock, and bitstream uint8_t fcHigh=0, fcLow=0, clk=0; uint8_t invert=0; bool errors = FALSE; @@ -687,6 +688,8 @@ int CmdLFfskSim(const char *Cmd) } else { setDemodBuf(data, dataLen, 0); } + + //default if not found if (clk == 0) clk = 50; if (fcHigh == 0) fcHigh = 10; if (fcLow == 0) fcLow = 8; @@ -711,9 +714,8 @@ int CmdLFfskSim(const char *Cmd) int CmdLFaskSim(const char *Cmd) { //autodetect clock from Graphbuffer if using demod buffer - //will need clock, invert, manchester/raw as m or r, separator as s, and bitstream + // needs clock, invert, manchester/raw as m or r, separator as s, and bitstream uint8_t encoding = 1, separator = 0; - //char cmdp = Cmd[0], par3='m', par4=0; uint8_t clk=0, invert=0; bool errors = FALSE; char hexData[32] = {0x00}; @@ -918,30 +920,6 @@ int CmdLFSimBidir(const char *Cmd) return 0; } -/* simulate an LF Manchester encoded tag with specified bitstream, clock rate and inter-id gap */ -/* -int CmdLFSimManchester(const char *Cmd) -{ - static int clock, gap; - static char data[1024], gapstring[8]; - - sscanf(Cmd, "%i %s %i", &clock, &data[0], &gap); - - ClearGraph(0); - - for (int i = 0; i < strlen(data) ; ++i) - AppendGraph(0, clock, data[i]- '0'); - - CmdManchesterMod(""); - - RepaintGraphWindow(); - - sprintf(&gapstring[0], "%i", gap); - CmdLFSim(gapstring); - return 0; -} -*/ - int CmdVchDemod(const char *Cmd) { // Is this the entire sync pattern, or does this also include some @@ -1037,8 +1015,8 @@ int CmdLFfind(const char *Cmd) } if (!offline && (cmdp != '1')){ - ans=CmdLFRead(""); - ans=CmdSamples("20000"); + CmdLFRead("s"); + getSamples("30000",false); } else if (GraphTraceLen < 1000) { PrintAndLog("Data in Graphbuffer was too small."); return 0; @@ -1099,6 +1077,18 @@ int CmdLFfind(const char *Cmd) return 1; } + ans=EM4x50Read("", false); + if (ans>0) { + PrintAndLog("\nValid EM4x50 ID Found!"); + return 1; + } + + ans=CmdPSKNexWatch(""); + if (ans>0) { + PrintAndLog("\nValid NexWatch ID Found!"); + return 1; + } + PrintAndLog("\nNo Known Tags Found!\n"); if (testRaw=='u' || testRaw=='U'){ //test unknown tag formats (raw mode) @@ -1131,20 +1121,18 @@ int CmdLFfind(const char *Cmd) } } } - ans=GetFskClock("",FALSE,FALSE); //CmdDetectClockRate("F"); // + ans=GetFskClock("",FALSE,FALSE); if (ans != 0){ //fsk - ans=FSKrawDemod("",FALSE); + ans=FSKrawDemod("",TRUE); if (ans>0) { PrintAndLog("\nUnknown FSK Modulated Tag Found!"); - printDemodBuff(); return 1; } } - ans=ASKmanDemod("",FALSE,FALSE); + ans=ASKDemod("0 0 0",TRUE,FALSE,1); if (ans>0) { PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!"); PrintAndLog("\nif it does not look right it could instead be ASK/Biphase - try 'data rawdemod ab'"); - printDemodBuff(); return 1; } ans=CmdPSK1rawDemod(""); @@ -1152,7 +1140,6 @@ int CmdLFfind(const char *Cmd) PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data rawdemod p2'"); PrintAndLog("\nCould also be PSK3 - [currently not supported]"); PrintAndLog("\nCould also be NRZ - try 'data nrzrawdemod"); - printDemodBuff(); return 1; } PrintAndLog("\nNo Data Found!\n"); @@ -1173,19 +1160,18 @@ static command_t CommandTable[] = {"config", CmdLFSetConfig, 0, "Set config for LF sampling, bit/sample, decimation, frequency"}, - {"cmdread", CmdLFCommandRead, 0, " <'0' period> <'1' period> ['h'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'h' for 134)"}, + {"cmdread", CmdLFCommandRead, 0, " <'0' period> <'1' period> ['h' 134] \n\t\t-- Modulate LF reader field to send command before read (all periods in microseconds)"}, {"flexdemod", CmdFlexdemod, 1, "Demodulate samples for FlexPass"}, {"indalademod", CmdIndalaDemod, 1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"}, {"indalaclone", CmdIndalaClone, 0, " ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"}, {"read", CmdLFRead, 0, "['s' silent] Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"}, - {"search", CmdLFfind, 1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) - 'u' to search for unknown tags"}, + {"search", CmdLFfind, 1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) \n\t\t- 'u' to search for unknown tags"}, {"sim", CmdLFSim, 0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"}, - {"simask", CmdLFaskSim, 0, "[clock] [invert <1|0>] [manchester/raw <'m'|'r'>] [msg separator 's'] [d ] -- Simulate LF ASK tag from demodbuffer or input"}, - {"simfsk", CmdLFfskSim, 0, "[c ] [i] [H ] [L ] [d ] -- Simulate LF FSK tag from demodbuffer or input"}, - {"simpsk", CmdLFpskSim, 0, "[1|2|3] [c ] [i] [r ] [d ] -- Simulate LF PSK tag from demodbuffer or input"}, + {"simask", CmdLFaskSim, 0, "[clock] [invert <1|0>] [manchester/raw <'m'|'r'>] [msg separator 's'] [d ] \n\t\t-- Simulate LF ASK tag from demodbuffer or input"}, + {"simfsk", CmdLFfskSim, 0, "[c ] [i] [H ] [L ] [d ] \n\t\t-- Simulate LF FSK tag from demodbuffer or input"}, + {"simpsk", CmdLFpskSim, 0, "[1|2|3] [c ] [i] [r ] [d ] \n\t\t-- Simulate LF PSK tag from demodbuffer or input"}, {"simbidir", CmdLFSimBidir, 0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"}, - //{"simman", CmdLFSimManchester, 0, " [GAP] Simulate arbitrary Manchester LF tag"}, - {"snoop", CmdLFSnoop, 0, "['l'|'h'|] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"}, + {"snoop", CmdLFSnoop, 0, "['l'|'h'|] [trigger threshold] -- Snoop LF (l:125khz, h:134khz)"}, {"vchdemod", CmdVchDemod, 1, "['clone'] -- Demodulate samples for VeriChip"}, {NULL, NULL, 0, NULL} };