X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a3abb028978d98bf28676d3b4a98083db3b2912a..be67483e63430608982f1c92e02b59d7b4dc65b3:/client/cmdlfio.c diff --git a/client/cmdlfio.c b/client/cmdlfio.c index aa21c44b..0424ed17 100644 --- a/client/cmdlfio.c +++ b/client/cmdlfio.c @@ -1,28 +1,64 @@ -#include -#include -#include -#include -#include -#include "proxmark3.h" -#include "data.h" -#include "graph.h" -#include "ui.h" -#include "cmdparser.h" -#include "cmdmain.h" -#include "cmddata.h" -#include "cmdlf.h" +#include "cmdlfio.h" static int CmdHelp(const char *Cmd); -int CmdIODemodFSK(const char *Cmd) -{ - int findone=0; - if(Cmd[0]=='1') findone=1; - - UsbCommand c={CMD_IO_DEMOD_FSK}; - c.arg[0]=findone; - SendCommand(&c); - return 0; +int usage_lf_io_fskdemod(void) { + PrintAndLog("Enables IOProx compatible reader mode printing details of scanned tags."); + PrintAndLog("By default, values are printed and logged until the button is pressed or another USB command is issued."); + PrintAndLog("If the [1] option is provided, reader mode is exited after reading a single card."); + PrintAndLog(""); + PrintAndLog("Usage: lf io fskdemod [h] [1]"); + PrintAndLog("Options :"); + PrintAndLog(" h : This help"); + PrintAndLog(" 1 : (optional) stop after reading a single card"); + PrintAndLog(""); + PrintAndLog("Samples"); + PrintAndLog(" lf io fskdemod"); + PrintAndLog(" lf io fskdemod 1"); + return 0; +} + +int usage_lf_io_sim(void) { + PrintAndLog("Enables simulation of IOProx card with specified facility-code and card number."); + PrintAndLog("Simulation runs until the button is pressed or another USB command is issued."); + PrintAndLog(""); + PrintAndLog("Usage: lf io sim [h] "); + PrintAndLog("Options :"); + PrintAndLog(" h : This help"); + PrintAndLog(" : 8bit version"); + PrintAndLog(" : 8bit value facility code"); + PrintAndLog(" : 16bit value card number"); + PrintAndLog(""); + PrintAndLog("Samples"); + PrintAndLog(" lf io sim 26 101 1337"); + return 0; +} + +int usage_lf_io_clone(void) { + PrintAndLog("Enables cloning of IOProx card with specified facility-code and card number onto T55x7."); + PrintAndLog("The T55x7 must be on the antenna when issuing this command. T55x7 blocks are calculated and printed in the process."); + PrintAndLog(""); + PrintAndLog("Usage: lf io clone [h] [Q5]"); + PrintAndLog("Options :"); + PrintAndLog(" h : This help"); + PrintAndLog(" : 8bit version"); + PrintAndLog(" : 8bit value facility code"); + PrintAndLog(" : 16bit value card number"); + PrintAndLog(" Q5 : optional - clone to Q5 (T5555) instead of T55x7 chip"); + PrintAndLog(""); + PrintAndLog("Samples"); + PrintAndLog(" lf io clone 26 101 1337"); + return 0; +} + +int CmdIODemodFSK(const char *Cmd) { + if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_io_fskdemod(); + int findone = (Cmd[0]=='1') ? 1 : 0; + UsbCommand c = {CMD_IO_DEMOD_FSK}; + c.arg[0] = findone; + clearCommandBuffer(); + SendCommand(&c); + return 0; } /* int CmdIOProxDemod(const char *Cmd){ @@ -38,49 +74,179 @@ int CmdIOProxDemod(const char *Cmd){ return 0; } */ -int CmdIOClone(const char *Cmd) -{ - unsigned int hi = 0, lo = 0; - int n = 0, i = 0; - UsbCommand c; +//Index map +//0 10 20 30 40 50 60 +//| | | | | | | +//01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23 +//----------------------------------------------------------------------------- +//00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11 +//XSF(version)facility:codeone+codetwo (raw) +int getIOProxBits(uint8_t version, uint8_t fc, uint16_t cn, uint8_t *bits) { +#define SEPARATOR 1 + uint8_t pos=0; + // the return bits, preamble 0000 0000 0 + uint8_t pre[64]; + memset(pre, 0, sizeof(pre)); + + // skip 9 zeros as preamble + pos = 9; + + // another fixed byte 11110000 = 0xF0 + num_to_bytebits(0xF0, 8, pre+pos); + pos += 8; + pre[pos] = SEPARATOR; + pos++; + + // add facilitycode + num_to_bytebits(fc, 8, pre+pos); + pos += 8; + pre[pos] = SEPARATOR; + pos++; + + // add version + num_to_bytebits(version, 8, pre+pos); + pos += 8; + pre[pos] = SEPARATOR; + pos++; + + // cardnumber high byte + num_to_bytebits( ((cn & 0xFF00)>>8), 8, pre+pos); + pos += 8; + pre[pos] = SEPARATOR; + pos++; + + // cardnumber low byte + num_to_bytebits( (cn & 0xFF), 8, pre+pos); + pos += 8; + pre[pos] = SEPARATOR; + pos++; + + // calculate and add CRC + uint16_t crc = 0; + for (uint8_t i=1; i<6; ++i) + crc += bytebits_to_byte(pre+9*i, 8); + + crc &= 0xFF; + crc = 0xff - crc; + num_to_bytebits(crc, 8, pre+pos); + pos += 8; + + // Final two ONES + pre[pos] = SEPARATOR; + pre[++pos] = SEPARATOR; + + memcpy(bits, pre, sizeof(pre)); + return 1; +} + +int CmdIOSim(const char *Cmd) { + uint16_t cn = 0; + uint8_t version = 0, fc = 0; + uint8_t bits[64]; + uint8_t *bs = bits; + size_t size = sizeof(bits); + memset(bs, 0x00, size); + + uint64_t arg1 = ( 10 << 8 ) + 8; // fcHigh = 10, fcLow = 8 + uint64_t arg2 = (64 << 8)| + 1; // clk RF/64 invert=1 - //if (1 == sscanf(str, "0x%"SCNx32, &hi)) { - // value now contains the value in the string--decimal 255, in this case. - //} - - while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { - hi = (hi << 4) | (lo >> 28); - lo = (lo << 4) | (n & 0xf); - } + char cmdp = param_getchar(Cmd, 0); + if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_io_sim(); + + version = param_get8(Cmd, 0); + fc = param_get8(Cmd, 1); + cn = param_get32ex(Cmd, 2, 0, 10); - PrintAndLog("Cloning tag with ID %08x %08x", hi, lo); - PrintAndLog("Press pm3-button to abort simulation"); - c.cmd = CMD_IO_CLONE_TAG; - c.arg[0] = hi; - c.arg[1] = lo; + if ( !version | !fc || !cn) return usage_lf_io_sim(); + + if ((cn & 0xFFFF) != cn) { + cn &= 0xFFFF; + PrintAndLog("Card Number Truncated to 16-bits (IOProx): %u", cn); + } + + PrintAndLog("Emulating IOProx Version: %u FC: %u; CN: %u\n", version, fc, cn); + PrintAndLog("Press pm3-button to abort simulation or run another command"); + + if ( !getIOProxBits(version, fc, cn, bs)) { + PrintAndLog("Error with tag bitstream generation."); + return 1; + } + // IOProx uses: fcHigh: 10, fcLow: 8, clk: 64, invert: 1 + // arg1 --- fcHigh<<8 + fcLow + // arg2 --- Inversion and clk setting + // 64 --- Bitstream length: 64-bits == 8 bytes + UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}}; + memcpy(c.d.asBytes, bs, size); + clearCommandBuffer(); + SendCommand(&c); + return 0; +} - SendCommand(&c); - return 0; +int CmdIOClone(const char *Cmd) { + + uint32_t blocks[3] = {T55x7_MODULATION_FSK2a | T55x7_BITRATE_RF_64 | 2 << T55x7_MAXBLOCK_SHIFT, 0, 0}; + uint16_t cn = 0; + uint8_t version = 0, fc = 0; + uint8_t bits[64]; + uint8_t *bs=bits; + memset(bs,0,sizeof(bits)); + + char cmdp = param_getchar(Cmd, 0); + if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_io_clone(); + + version = param_get8(Cmd, 0); + fc = param_get8(Cmd, 1); + cn = param_get32ex(Cmd, 2, 0, 10); + + if ( !version | !fc || !cn) return usage_lf_io_clone(); + + if ((cn & 0xFFFF) != cn) { + cn &= 0xFFFF; + PrintAndLog("Card Number Truncated to 16-bits (IOProx): %u", cn); + } + + if (param_getchar(Cmd, 3) == 'Q' || param_getchar(Cmd, 3) == 'q') + //t5555 (Q5) BITRATE = (RF-2)/2 (iceman) + blocks[0] = T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | ((50-2)>>1) << T5555_BITRATE_SHIFT | 2 << T5555_MAXBLOCK_SHIFT; + + if ( !getIOProxBits(version, fc, cn, bs)) { + PrintAndLog("Error with tag bitstream generation."); + return 1; + } + + blocks[1] = bytebits_to_byte(bs,32); + blocks[2] = bytebits_to_byte(bs+32,32); + + PrintAndLog("Preparing to clone IOProx to T55x7 with Version: %u FC: %u, CN: %u", version, fc, cn); + PrintAndLog("Blk | Data "); + PrintAndLog("----+------------"); + PrintAndLog(" 00 | 0x%08x", blocks[0]); + PrintAndLog(" 01 | 0x%08x", blocks[1]); + PrintAndLog(" 02 | 0x%08x", blocks[2]); + //UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}}; + UsbCommand c = {CMD_IO_CLONE_TAG, {blocks[1],blocks[2],0}}; + clearCommandBuffer(); + SendCommand(&c); + return 0; } -static command_t CommandTable[] = -{ - {"help", CmdHelp, 1, "This help"}, - //{"demod", CmdIOProxDemod, 1, "Demodulate Stream"}, - {"fskdemod", CmdIODemodFSK, 0, "['1'] Realtime IO FSK demodulator (option '1' for one tag only)"}, - {"clone", CmdIOClone, 0, "Clone ioProx Tag"}, - {NULL, NULL, 0, NULL} +static command_t CommandTable[] = { + {"help", CmdHelp, 1, "This help"}, + //{"demod", CmdIOProxDemod, 1, "Demodulate Stream"}, + {"fskdemod",CmdIODemodFSK, 0, "['1'] Realtime IO FSK demodulator (option '1' for one tag only)"}, + {"sim", CmdIOSim, 0, " -- IOProx tag simulator"}, + {"clone", CmdIOClone, 0, " -- Clone IOProx to T55x7"}, + {NULL, NULL, 0, NULL} }; -int CmdLFIO(const char *Cmd) -{ - CmdsParse(CommandTable, Cmd); - return 0; +int CmdLFIO(const char *Cmd){ + clearCommandBuffer(); + CmdsParse(CommandTable, Cmd); + return 0; } -int CmdHelp(const char *Cmd) -{ - CmdsHelp(CommandTable); - return 0; +int CmdHelp(const char *Cmd) { + CmdsHelp(CommandTable); + return 0; }