X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/149aeadaa609b01db86ba3b4ee23b317f16bede5..4ecde0e1ff60d5e3d217dc1e5ca12c78864804cc:/client/cmdlft55xx.c diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index 31261a4f..b6b5ea44 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -20,130 +20,186 @@ #include "cmdlft55xx.h" #include "util.h" #include "data.h" +#include "lfdemod.h" + +#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 "); + 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(""); + return 0; +} +int usage_t55xx_wr(){ + PrintAndLog("Usage: lf t55xx wr [password]"); + PrintAndLog(" , block number to read. Between 0-7"); + PrintAndLog(" , 4 bytes of data to write (8 hex characters)"); + PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex characters)"); + PrintAndLog(""); + PrintAndLog(" sample: lf t55xx wd 3 11223344 = try writing data 11223344 to block 3"); + PrintAndLog(" : lf t55xx wd 3 11223344 feedbeef = try writing data 11223344 to block 3 using password feedbeef"); + PrintAndLog(""); + return 0; +} +int usage_t55xx_trace() { + PrintAndLog("Usage: lf t55xx trace [graph buffer data]"); + PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag."); + PrintAndLog(""); + PrintAndLog(" sample: lf t55xx trace"); + PrintAndLog(" : lf t55xx trace 1"); + PrintAndLog(""); + return 0; +} +int usage_t55xx_info() { + PrintAndLog("Usage: lf t55xx info [graph buffer data]"); + PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag."); + PrintAndLog(""); + PrintAndLog(" sample: lf t55xx info"); + PrintAndLog(" : lf t55xx info 1"); + PrintAndLog(""); + return 0; +} - -#define LF_TRACE_BUFF_SIZE 12000 // 32 x 32 x 10 (32 bit times numofblock (7), times clock skip..) +int usage_t55xx_dump(){ + PrintAndLog("Usage: lf t55xx dump "); + PrintAndLog(" , OPTIONAL password 4bytes (8 hex characters)"); + PrintAndLog(""); + PrintAndLog(" sample: lf t55xx dump"); + PrintAndLog(" : lf t55xx dump feedbeef"); + PrintAndLog(""); + return 0; +} static int CmdHelp(const char *Cmd); - int CmdReadBlk(const char *Cmd) { - int Block = -1; - sscanf(Cmd, "%d", &Block); - - if ((Block > 7) | (Block < 0)) { - PrintAndLog("Block must be between 0 and 7"); - return 1; - } - - UsbCommand c; - c.cmd = CMD_T55XX_READ_BLOCK; - c.d.asBytes[0] = 0x00; - c.arg[0] = 0; - c.arg[1] = Block; - c.arg[2] = 0; - SendCommand(&c); - WaitForResponse(CMD_ACK, NULL); + int invert = 0; + int clk = 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; + uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00}; -// uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00}; - // GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset.. - // WaitForResponseTimeout(CMD_ACK,NULL, 1500); - - // for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { - // GraphBuffer[j] = (int)data[j]; - // } - // GraphTraceLen = LF_TRACE_BUFF_SIZE; - CmdSamples("12000"); - ManchesterDemod(Block); - // RepaintGraphWindow(); - return 0; -} - -int CmdReadBlkPWD(const char *Cmd) -{ - int Block = -1; //default to invalid block - int Password = 0xFFFFFFFF; //default to blank Block 7 - UsbCommand c; + char cmdp = param_getchar(Cmd, 0); + if (cmdp == 'h' || cmdp == 'H') { + usage_t55xx_rd(); + return 0; + } - sscanf(Cmd, "%d %x", &Block, &Password); + int res = sscanf(Cmd, "%d %x", &block, &password); - if ((Block > 7) | (Block < 0)) { + if ( res < 1 || res > 2 ){ + usage_t55xx_rd(); + return 1; + } + + if ((block < 0) | (block > 7)) { PrintAndLog("Block must be between 0 and 7"); return 1; } - PrintAndLog("Reading page 0 block %d pwd %08X", Block, Password); - - c.cmd = CMD_T55XX_READ_BLOCK; - c.d.asBytes[0] = 0x1; //Password mode - c.arg[0] = 0; - c.arg[1] = Block; - c.arg[2] = Password; - SendCommand(&c); - WaitForResponse(CMD_ACK, NULL); - - uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00}; - - GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset.. - WaitForResponseTimeout(CMD_ACK,NULL, 1500); + UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, 0}}; + c.d.asBytes[0] = 0x0; - for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { - GraphBuffer[j] = ((int)data[j]); + //Password mode + if ( res == 2 ) { + c.arg[2] = password; + c.d.asBytes[0] = 0x1; } - GraphTraceLen = LF_TRACE_BUFF_SIZE; - ManchesterDemod(Block); - RepaintGraphWindow(); - return 0; -} -int CmdWriteBlk(const char *Cmd) -{ - int Block = 8; //default to invalid block - int Data = 0xFFFFFFFF; //default to blank Block - UsbCommand c; + SendCommand(&c); + if ( !WaitForResponseTimeout(CMD_ACK,NULL,1500) ) { + PrintAndLog("command execution time out"); + return 2; + } + + CmdSamples("12000"); - sscanf(Cmd, "%x %d", &Data, &Block); + bitlen = getFromGraphBuf(bits); + + errCnt = askrawdemod(bits, &bitlen, &clk, &invert, maxErr, askAmp); + + //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); - if (Block > 7) { - PrintAndLog("Block must be between 0 and 7"); - return 1; - } + //move bits back to DemodBuffer + setDemodBuf(bits, bitlen, 0); + printBitStream(bits,bitlen); + + // 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; + } - PrintAndLog("Writting block %d with data %08X", Block, Data); + blockData = PackBits(0, 32, bits); - c.cmd = CMD_T55XX_WRITE_BLOCK; - c.d.asBytes[0] = 0x0; //Normal mode - c.arg[0] = Data; - c.arg[1] = Block; - c.arg[2] = 0; - SendCommand(&c); - return 0; + if ( block < 0) + PrintAndLog(" Decoded : 0x%08X %s", blockData, sprint_bin(bits,32) ); + else + PrintAndLog(" Block %d : 0x%08X %s", block, blockData, sprint_bin(bits,32) ); + + return 0; } -int CmdWriteBlkPWD(const char *Cmd) +int CmdWriteBlk(const char *Cmd) { - int Block = 8; //default to invalid block - int Data = 0xFFFFFFFF; //default to blank Block - int Password = 0xFFFFFFFF; //default to blank Block 7 - UsbCommand c; - - sscanf(Cmd, "%x %d %x", &Data, &Block, &Password); - - if (Block > 7) { - PrintAndLog("Block must be between 0 and 7"); - return 1; - } - - PrintAndLog("Writting block %d with data %08X and password %08X", Block, Data, Password); - - c.cmd = CMD_T55XX_WRITE_BLOCK; - c.d.asBytes[0] = 0x1; //Password mode - c.arg[0] = Data; - c.arg[1] = Block; - c.arg[2] = Password; - SendCommand(&c); - return 0; + int block = 8; //default to invalid block + int data = 0xFFFFFFFF; //default to blank Block + int password = 0xFFFFFFFF; //default to blank Block 7 + + char cmdp = param_getchar(Cmd, 0); + if (cmdp == 'h' || cmdp == 'H') { + usage_t55xx_wr(); + return 0; + } + + int res = sscanf(Cmd, "%d %x %x",&block, &data, &password); + + if ( res < 2 || res > 3) { + usage_t55xx_wr(); + return 1; + } + + if (block > 7) { + PrintAndLog("Block must be between 0 and 7"); + return 1; + } + + 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 + c.arg[2] = password; + c.d.asBytes[0] = 0x1; + PrintAndLog("Writing block %d data %08X password %08X", block, data, password); + } + + SendCommand(&c); + return 0; } int CmdReadTrace(const char *Cmd) @@ -151,22 +207,19 @@ int CmdReadTrace(const char *Cmd) char cmdp = param_getchar(Cmd, 0); if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: lf t55xx trace [use data from Graphbuffer]"); - PrintAndLog(" [use data from Graphbuffer], if not set, try reading data from tag."); - PrintAndLog(""); - PrintAndLog(" sample: lf t55xx trace"); - PrintAndLog(" sample: lf t55xx trace 1"); + usage_t55xx_trace(); return 0; } if ( strlen(Cmd)==0){ + UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}}; SendCommand(&c); WaitForResponse(CMD_ACK, NULL); uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00}; - GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset.. + GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0); //3560 -- should be offset.. WaitForResponseTimeout(CMD_ACK,NULL, 1500); for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { @@ -175,10 +228,10 @@ int CmdReadTrace(const char *Cmd) GraphTraceLen = LF_TRACE_BUFF_SIZE; } - uint8_t bits[1000] = {0x00}; + uint8_t bits[LF_BITSSTREAM_LEN] = {0x00}; uint8_t * bitstream = bits; - manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream); + manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN); RepaintGraphWindow(); uint8_t si = 5; @@ -241,43 +294,36 @@ int CmdInfo(const char *Cmd){ char cmdp = param_getchar(Cmd, 0); if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: lf t55xx info [use data from Graphbuffer]"); - PrintAndLog(" [use data from Graphbuffer], if not set, try reading data from tag."); - PrintAndLog(""); - PrintAndLog(" sample: lf t55xx info"); - PrintAndLog(" sample: lf t55xx info 1"); + usage_t55xx_info(); return 0; - } - - if ( strlen(Cmd)==0){ + } else { CmdReadBlk("0"); } - uint8_t bits[1000] = {0x00}; - uint8_t * bitstream = bits; - - manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream); + uint8_t bits[LF_BITSSTREAM_LEN] = {0x00}; + + manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN); uint8_t si = 5; - uint32_t bl0 = PackBits(si, 32, bitstream); + uint32_t bl0 = PackBits(si, 32, bits); - uint32_t safer = PackBits(si, 4, bitstream); si += 4; - uint32_t resv = PackBits(si, 7, bitstream); si += 7; - uint32_t dbr = PackBits(si, 3, bitstream); si += 3; - uint32_t extend = PackBits(si, 1, bitstream); si += 1; - uint32_t datamodulation = PackBits(si, 5, bitstream); si += 5; - uint32_t pskcf = PackBits(si, 2, bitstream); si += 2; - uint32_t aor = PackBits(si, 1, bitstream); si += 1; - uint32_t otp = PackBits(si, 1, bitstream); si += 1; - uint32_t maxblk = PackBits(si, 3, bitstream); si += 3; - uint32_t pwd = PackBits(si, 1, bitstream); si += 1; - uint32_t sst = PackBits(si, 1, bitstream); si += 1; - uint32_t fw = PackBits(si, 1, bitstream); si += 1; - uint32_t inv = PackBits(si, 1, bitstream); si += 1; - uint32_t por = PackBits(si, 1, bitstream); si += 1; + uint32_t safer = PackBits(si, 4, bits); si += 4; + uint32_t resv = PackBits(si, 7, bits); si += 7; + uint32_t dbr = PackBits(si, 3, bits); si += 3; + uint32_t extend = PackBits(si, 1, bits); si += 1; + uint32_t datamodulation = PackBits(si, 5, bits); si += 5; + uint32_t pskcf = PackBits(si, 2, bits); si += 2; + uint32_t aor = PackBits(si, 1, bits); si += 1; + uint32_t otp = PackBits(si, 1, bits); si += 1; + uint32_t maxblk = PackBits(si, 3, bits); si += 3; + uint32_t pwd = PackBits(si, 1, bits); si += 1; + uint32_t sst = PackBits(si, 1, bits); si += 1; + uint32_t fw = PackBits(si, 1, bits); si += 1; + uint32_t inv = PackBits(si, 1, bits); si += 1; + uint32_t por = PackBits(si, 1, bits); si += 1; PrintAndLog(""); - PrintAndLog("-- T55xx Configuration --------------------------------------"); + PrintAndLog("-- T55xx Configuration & Tag Information --------------------"); PrintAndLog("-------------------------------------------------------------"); PrintAndLog(" Safer key : %s", GetSaferStr(safer)); PrintAndLog(" reserved : %d", resv); @@ -295,7 +341,7 @@ int CmdInfo(const char *Cmd){ PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No"); PrintAndLog("-------------------------------------------------------------"); PrintAndLog(" Raw Data - Page 0"); - PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(bitstream+5,32) ); + PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(bits+5,32) ); PrintAndLog("-------------------------------------------------------------"); return 0; @@ -303,38 +349,39 @@ int CmdInfo(const char *Cmd){ int CmdDump(const char *Cmd){ - char cmdp = param_getchar(Cmd, 0); - char s[20]; + char s[20] = {0x00}; uint8_t pwd[4] = {0x00}; - bool hasPwd = ( strlen(Cmd) > 0); - + + char cmdp = param_getchar(Cmd, 0); if ( cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: lf t55xx dump "); - PrintAndLog(" sample: lf t55xx dump FFFFFFFF"); + usage_t55xx_dump(); return 0; } - + + bool hasPwd = ( strlen(Cmd) > 0); if ( hasPwd ){ - if (param_gethex(Cmd, 0, pwd, 4)) { - PrintAndLog("password must include 4 HEX symbols"); - return 0; + if (param_gethex(Cmd, 0, pwd, 8)) { + PrintAndLog("password must include 8 HEX symbols"); + return 1; } } - + for ( int i = 0; i <8; ++i){ memset(s,0,sizeof(s)); if ( hasPwd ) { - sprintf(s,"%d %s", i, sprint_hex(pwd,4)); - CmdReadBlkPWD(s); + sprintf(s,"%d %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]); } else { sprintf(s,"%d", i); - CmdReadBlk(s); } + CmdReadBlk(s); } return 0; } int CmdIceFsk(const char *Cmd){ + + if (!HasGraphData()) return 0; + iceFsk3(GraphBuffer, LF_TRACE_BUFF_SIZE); RepaintGraphWindow(); return 0; @@ -343,17 +390,19 @@ int CmdIceManchester(const char *Cmd){ ManchesterDemod( -1); return 0; } -int ManchesterDemod(int block){ +int ManchesterDemod(int blockNum){ - int blockNum = -1; + if (!HasGraphData()) return 0; + uint8_t sizebyte = 32; + // the value 5 was selected during empirical studies of the decoded data. Some signal noise to skip. uint8_t offset = 5; uint32_t blockData; - uint8_t bits[1000] = {0x00}; + uint8_t bits[LF_BITSSTREAM_LEN] = {0x00}; uint8_t * bitstream = bits; - manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream); - blockData = PackBits(offset, sizebyte, bitstream); + manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN); + blockData = PackBits(offset, sizebyte, bits); if ( blockNum < 0) PrintAndLog(" Decoded : 0x%08X %s", blockData, sprint_bin(bitstream+offset,sizebyte) ); @@ -463,6 +512,9 @@ uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){ int i = start; int j = len-1; + if (len > 32) { + return 0; + } uint32_t tmp = 0; for (; j >= 0; --j, ++i){ tmp |= bits[i] << j; @@ -473,14 +525,11 @@ uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){ static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, - {"rd", CmdReadBlk, 0, " -- Read T55xx block data (page 0)"}, - {"rdpwd", CmdReadBlkPWD, 0, " -- Read T55xx block data with password mode"}, - {"wr", CmdWriteBlk, 0, " -- Write T55xx block data (page 0)"}, - {"wrpwd", CmdWriteBlkPWD, 0, " -- Write T55xx block data with password"}, - {"trace", CmdReadTrace, 0, "[1] Read T55xx traceability data (page 1 / blk 0-1) "}, - {"info", CmdInfo, 0, "[1] Read T55xx configuration data (page0 /blk 0)"}, - {"dump", CmdDump, 0, "[password] Dump T55xx card block 0-7. optional with password"}, - {"fsk", CmdIceFsk, 0, "FSK demod"}, + {"rd", CmdReadBlk, 0, " [password] -- Read T55xx block data (page 0) [optional password]"}, + {"wr", 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} };