X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/31b3689f0b54048de31957e001c60bbd8dfca5a3..3ee8c808c44e417c197d12de9b2e2f3cfbdcde0c:/client/cmdlft55xx.c diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index b060bdee..4a1bdaa0 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -25,17 +25,17 @@ #define LF_TRACE_BUFF_SIZE 20000 // 32 x 32 x 10 (32 bit times numofblock (7), times clock skip..) #define LF_BITSSTREAM_LEN 1000 // more then 1000 bits shouldn't happend.. 8block * 4 bytes * 8bits = -int usage_t55xx_rd(){ - PrintAndLog("Usage: lf t55xx rd "); +int usage_t55xx_read(){ + PrintAndLog("Usage: lf t55xx read "); PrintAndLog(" , block number to read. Between 0-7"); PrintAndLog(" , OPTIONAL password (8 hex characters)"); PrintAndLog(""); - PrintAndLog(" sample: lf t55xx rd 0 = try reading data from block 0"); - PrintAndLog(" : lf t55xx rd 0 feedbeef = try reading data from block 0 using password"); + PrintAndLog(" sample: lf t55xx read 0 = try reading data from block 0"); + PrintAndLog(" : lf t55xx read 0 feedbeef = try reading data from block 0 using password"); PrintAndLog(""); return 0; } -int usage_t55xx_wr(){ +int usage_t55xx_write(){ PrintAndLog("Usage: lf t55xx wr [password]"); PrintAndLog(" , block number to read. Between 0-7"); PrintAndLog(" , 4 bytes of data to write (8 hex characters)"); @@ -76,43 +76,25 @@ int usage_t55xx_dump(){ static int CmdHelp(const char *Cmd); -/* -FSK1 / FSK1a -size = fskdemod(dest, size, 32, 0, 8, 10); // fsk1 RF/32 -size = fskdemod(dest, size, 32, 1, 8, 10); // fsk1a RF/32 - -FSK2 / FSK2a -size = fskdemod(dest, size, 32, 0, 10, 8); // fsk2 RF/32 -size = fskdemod(dest, size, 32, 1, 10, 8); // fsk2a RF/32 -size = fskdemod(dest, size, 50, 1, 10, 8); // fsk2a RF/50 -size = fskdemod(dest, size, 64, 1, 10, 8); // FSK2a RF/64 - -*/ - int CmdReadBlk(const char *Cmd) { - int invert = 0; - int clk = 0; + int i = 0; int block = -1; int password = 0xFFFFFFFF; //default to blank Block 7 - int errCnt; - size_t bitlen; - int maxErr = 100; - //uint8_t askAmp = 0; - uint32_t blockData; + size_t bitlen = 0; + uint32_t blockData = 0; uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00}; - char cmdp = param_getchar(Cmd, 0); if (cmdp == 'h' || cmdp == 'H') { - usage_t55xx_rd(); + usage_t55xx_read(); return 0; } int res = sscanf(Cmd, "%d %x", &block, &password); if ( res < 1 || res > 2 ){ - usage_t55xx_rd(); + usage_t55xx_read(); return 1; } @@ -131,41 +113,40 @@ int CmdReadBlk(const char *Cmd) } SendCommand(&c); - if ( !WaitForResponseTimeout(CMD_ACK,NULL,1500) ) { + if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) { PrintAndLog("command execution time out"); return 2; } - CmdSamples("12000"); + uint8_t got[12000]; + GetFromBigBuf(got,sizeof(got),0); + WaitForResponse(CMD_ACK,NULL); + setGraphBuf(got, 12000); + bitlen = getFromGraphBuf(bits); + + int ans = 0; + ans = CmdFSKrawdemod(""); + ans = CmdFSKrawdemod("1"); //invert? + ans = Cmdaskmandemod(""); + ans = Cmdaskrawdemod(""); + ans = CmdNRZrawDemod(""); + ans = CmdPSK1rawDemod(""); + ans = CmdPSK2rawDemod(""); - //errCnt = askrawdemod(bits, &bitlen, &clk, &invert, maxErr, askAmp); - errCnt = askmandemod(bits, &bitlen, &clk, &invert, maxErr); + // if ( !tryDemod(bits, bitlen) ) + // return 3; - //throw away static - allow 1 and -1 (in case of threshold command first) - if ( errCnt == -1 || bitlen < 16 ){ - PrintAndLog("no data found"); - if (g_debugMode) - PrintAndLog("errCnt: %d, bitlen: %d, clk: %d, invert: %d", errCnt, bitlen, clk, invert); - return 3; - } - if (g_debugMode) - PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d", clk, invert, bitlen); - - //move bits back to DemodBuffer - setDemodBuf(bits, bitlen, 0); - printBitStream(bits,bitlen); + // //move bits back to DemodBuffer + // setDemodBuf(bits, bitlen, 0); + // printBitStream(bits, bitlen); + if ( !DemodBufferLen) + return 0; + + for (;i> 8) & 0xFF; + fclow = fcs & 0xFF; + } + //get bit clock length + rflen = detectFSKClk(bits, bitlen, fchigh, fclow); + rflen = (rflen == 0) ? 50 : rflen; + + size = fskdemod(bits, bitlen, rflen, invert, fchigh, fclow); + if ( analyseDemod(size, bitlen, clk, invert) ) + return true; + + // PSK demod + return false; +} + +bool analyseDemod( int errCnt, size_t bitlen, uint8_t clock, uint8_t invert){ + if (g_debugMode) + PrintAndLog("ErrorCount: %d, Bits Found: %d, Clock: %d, invert: %d", errCnt, bitlen, clock, invert); + //PrintAndLog("Args invert: %d - Clock:%d - fchigh:%d - fclow: %d",invert,rfLen,fchigh, fclow); + + //throw away static - allow 1 and -1 (in case of threshold command first) + if ( errCnt == -1 || bitlen < 32 ){ + PrintAndLog("no success demod"); + return false; + } + return true; +} + int CmdWriteBlk(const char *Cmd) { int block = 8; //default to invalid block @@ -184,14 +228,14 @@ int CmdWriteBlk(const char *Cmd) char cmdp = param_getchar(Cmd, 0); if (cmdp == 'h' || cmdp == 'H') { - usage_t55xx_wr(); + usage_t55xx_write(); return 0; } int res = sscanf(Cmd, "%d %x %x",&block, &data, &password); if ( res < 2 || res > 3) { - usage_t55xx_wr(); + usage_t55xx_write(); return 1; } @@ -203,26 +247,23 @@ int CmdWriteBlk(const char *Cmd) UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}}; c.d.asBytes[0] = 0x0; - if (res == 2) { - PrintAndLog("Writing block %d data %08X", block, data); - } else { - //Password mode + PrintAndLog("Writing to T55x7"); + PrintAndLog("block : %d", block); + PrintAndLog("data : 0x%08X", data); + + //Password mode + if (res == 3) { c.arg[2] = password; c.d.asBytes[0] = 0x1; - PrintAndLog("Writing block %d data %08X password %08X", block, data, password); + PrintAndLog("pwd : 0x%08X", password); } - SendCommand(&c); return 0; } int CmdReadTrace(const char *Cmd) { - int invert = 0; - int clk = 0; - int errCnt; size_t bitlen; - int maxErr = 100; uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00}; char cmdp = param_getchar(Cmd, 0); @@ -236,37 +277,16 @@ int CmdReadTrace(const char *Cmd) UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}}; SendCommand(&c); - WaitForResponse(CMD_ACK, NULL); - - CmdSamples("12000"); + if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) { + PrintAndLog("command execution time out"); + return 1; + } + //darn + //CmdSamples("12000"); } bitlen = getFromGraphBuf(bits); - //errCnt = askrawdemod(bits, &bitlen, &clk, &invert, maxErr, askAmp); - errCnt = askmandemod(bits, &bitlen, &clk, &invert, maxErr); - - //throw away static - allow 1 and -1 (in case of threshold command first) - if ( errCnt == -1 || bitlen < 16 ){ - PrintAndLog("no data found"); - if (g_debugMode) - PrintAndLog("errCnt: %d, bitlen: %d, clk: %d, invert: %d", errCnt, bitlen, clk, invert); - return 3; - } - if (g_debugMode) - PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d", clk, invert, bitlen); - - //move bits back to DemodBuffer - setDemodBuf(bits, bitlen, 0); - - // bits has the manchester encoded data. - errCnt = manrawdecode(bits, &bitlen); - if ( errCnt == -1 || bitlen < 16 ){ - PrintAndLog("no data found"); - if (g_debugMode) - PrintAndLog("errCnt: %d, bitlen: %d, clk: %d, invert: %d", errCnt, bitlen, clk, invert); - return 4; - } RepaintGraphWindow(); @@ -561,12 +581,11 @@ uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){ static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, - {"rd", CmdReadBlk, 0, " [password] -- Read T55xx block data (page 0) [optional password]"}, - {"wr", CmdWriteBlk, 0, " [password] -- Write T55xx block data (page 0) [optional password]"}, + {"read", CmdReadBlk, 0, " [password] -- Read T55xx block data (page 0) [optional password]"}, + {"write", CmdWriteBlk, 0, " [password] -- Write T55xx block data (page 0) [optional password]"}, {"trace", CmdReadTrace, 0, "[1] Read T55xx traceability data (page 1/ blk 0-1)"}, {"info", CmdInfo, 0, "[1] Read T55xx configuration data (page 0/ blk 0)"}, {"dump", CmdDump, 0, "[password] Dump T55xx card block 0-7. [optional password]"}, - {"man", CmdIceManchester, 0, "Manchester demod (with SST)"}, {NULL, NULL, 0, NULL} };