mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-09-20 23:36:31 +08:00
253 lines
7.6 KiB
C
253 lines
7.6 KiB
C
#include "cmdlfio.h"
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static int CmdHelp(const char *Cmd);
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int usage_lf_io_fskdemod(void) {
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PrintAndLog("Enables IOProx compatible reader mode printing details of scanned tags.");
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PrintAndLog("By default, values are printed and logged until the button is pressed or another USB command is issued.");
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PrintAndLog("If the [1] option is provided, reader mode is exited after reading a single card.");
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PrintAndLog("");
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PrintAndLog("Usage: lf io fskdemod [h] [1]");
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PrintAndLog("Options :");
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PrintAndLog(" h : This help");
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PrintAndLog(" 1 : (optional) stop after reading a single card");
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PrintAndLog("");
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PrintAndLog("Samples");
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PrintAndLog(" lf io fskdemod");
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PrintAndLog(" lf io fskdemod 1");
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return 0;
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}
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int usage_lf_io_sim(void) {
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PrintAndLog("Enables simulation of IOProx card with specified facility-code and card number.");
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PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
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PrintAndLog("");
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PrintAndLog("Usage: lf io sim [h] <version> <facility-code> <card-number>");
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PrintAndLog("Options :");
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PrintAndLog(" h : This help");
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PrintAndLog(" <version> : 8bit version");
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PrintAndLog(" <facility-code> : 8bit value facility code");
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PrintAndLog(" <card number> : 16bit value card number");
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PrintAndLog("");
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PrintAndLog("Samples");
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PrintAndLog(" lf io sim 26 101 1337");
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return 0;
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}
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int usage_lf_io_clone(void) {
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PrintAndLog("Enables cloning of IOProx card with specified facility-code and card number onto T55x7.");
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PrintAndLog("The T55x7 must be on the antenna when issuing this command. T55x7 blocks are calculated and printed in the process.");
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PrintAndLog("");
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PrintAndLog("Usage: lf io clone [h] <version> <facility-code> <card-number> [Q5]");
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PrintAndLog("Options :");
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PrintAndLog(" h : This help");
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PrintAndLog(" <version> : 8bit version");
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PrintAndLog(" <facility-code> : 8bit value facility code");
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PrintAndLog(" <card number> : 16bit value card number");
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PrintAndLog(" Q5 : optional - clone to Q5 (T5555) instead of T55x7 chip");
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PrintAndLog("");
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PrintAndLog("Samples");
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PrintAndLog(" lf io clone 26 101 1337");
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return 0;
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}
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int CmdIODemodFSK(const char *Cmd) {
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if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_io_fskdemod();
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int findone = (Cmd[0]=='1') ? 1 : 0;
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UsbCommand c = {CMD_IO_DEMOD_FSK};
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c.arg[0] = findone;
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clearCommandBuffer();
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SendCommand(&c);
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return 0;
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}
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/*
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int CmdIOProxDemod(const char *Cmd){
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if (GraphTraceLen < 4800) {
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PrintAndLog("too short; need at least 4800 samples");
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return 0;
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}
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GraphTraceLen = 4800;
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for (int i = 0; i < GraphTraceLen; ++i) {
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GraphBuffer[i] = (GraphBuffer[i] < 0) ? 0 : 1;
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}
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RepaintGraphWindow();
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return 0;
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}
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*/
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//Index map
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//0 10 20 30 40 50 60
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//| | | | | | |
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//01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23
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//-----------------------------------------------------------------------------
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//00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11
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//XSF(version)facility:codeone+codetwo (raw)
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int getIOProxBits(uint8_t version, uint8_t fc, uint16_t cn, uint8_t *bits) {
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#define SEPARATOR 1
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uint8_t pos=0;
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// the return bits, preamble 0000 0000 0
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uint8_t pre[64];
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memset(pre, 0, sizeof(pre));
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// skip 9 zeros as preamble
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pos = 9;
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// another fixed byte 11110000 = 0xF0
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num_to_bytebits(0xF0, 8, pre+pos);
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pos += 8;
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pre[pos] = SEPARATOR;
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pos++;
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// add facilitycode
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num_to_bytebits(fc, 8, pre+pos);
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pos += 8;
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pre[pos] = SEPARATOR;
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pos++;
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// add version
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num_to_bytebits(version, 8, pre+pos);
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pos += 8;
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pre[pos] = SEPARATOR;
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pos++;
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// cardnumber high byte
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num_to_bytebits( ((cn & 0xFF00)>>8), 8, pre+pos);
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pos += 8;
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pre[pos] = SEPARATOR;
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pos++;
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// cardnumber low byte
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num_to_bytebits( (cn & 0xFF), 8, pre+pos);
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pos += 8;
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pre[pos] = SEPARATOR;
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pos++;
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// calculate and add CRC
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uint16_t crc = 0;
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for (uint8_t i=1; i<6; ++i)
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crc += bytebits_to_byte(pre+9*i, 8);
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crc &= 0xFF;
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crc = 0xff - crc;
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num_to_bytebits(crc, 8, pre+pos);
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pos += 8;
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// Final two ONES
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pre[pos] = SEPARATOR;
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pre[++pos] = SEPARATOR;
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memcpy(bits, pre, sizeof(pre));
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return 1;
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}
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int CmdIOSim(const char *Cmd) {
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uint16_t cn = 0;
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uint8_t version = 0, fc = 0;
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uint8_t bits[64];
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uint8_t *bs = bits;
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size_t size = sizeof(bits);
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memset(bs, 0x00, size);
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uint64_t arg1 = ( 10 << 8 ) + 8; // fcHigh = 10, fcLow = 8
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uint64_t arg2 = (64 << 8)| + 1; // clk RF/64 invert=1
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_io_sim();
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version = param_get8(Cmd, 0);
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fc = param_get8(Cmd, 1);
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cn = param_get32ex(Cmd, 2, 0, 10);
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if ( !version | !fc || !cn) return usage_lf_io_sim();
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if ((cn & 0xFFFF) != cn) {
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cn &= 0xFFFF;
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PrintAndLog("Card Number Truncated to 16-bits (IOProx): %u", cn);
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}
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PrintAndLog("Emulating IOProx Version: %u FC: %u; CN: %u\n", version, fc, cn);
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PrintAndLog("Press pm3-button to abort simulation or run another command");
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if ( !getIOProxBits(version, fc, cn, bs)) {
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PrintAndLog("Error with tag bitstream generation.");
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return 1;
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}
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// IOProx uses: fcHigh: 10, fcLow: 8, clk: 64, invert: 1
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// arg1 --- fcHigh<<8 + fcLow
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// arg2 --- Inversion and clk setting
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// 64 --- Bitstream length: 64-bits == 8 bytes
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UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
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memcpy(c.d.asBytes, bs, size);
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clearCommandBuffer();
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SendCommand(&c);
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return 0;
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}
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int CmdIOClone(const char *Cmd) {
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uint32_t blocks[3] = {T55x7_MODULATION_FSK2a | T55x7_BITRATE_RF_64 | 2 << T55x7_MAXBLOCK_SHIFT, 0, 0};
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uint16_t cn = 0;
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uint8_t version = 0, fc = 0;
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uint8_t bits[64];
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uint8_t *bs=bits;
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memset(bs,0,sizeof(bits));
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_io_clone();
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version = param_get8(Cmd, 0);
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fc = param_get8(Cmd, 1);
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cn = param_get32ex(Cmd, 2, 0, 10);
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if ( !version | !fc || !cn) return usage_lf_io_clone();
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if ((cn & 0xFFFF) != cn) {
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cn &= 0xFFFF;
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PrintAndLog("Card Number Truncated to 16-bits (IOProx): %u", cn);
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}
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if (param_getchar(Cmd, 3) == 'Q' || param_getchar(Cmd, 3) == 'q')
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//t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
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blocks[0] = T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | ((50-2)>>1) << T5555_BITRATE_SHIFT | 2 << T5555_MAXBLOCK_SHIFT;
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if ( !getIOProxBits(version, fc, cn, bs)) {
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PrintAndLog("Error with tag bitstream generation.");
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return 1;
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}
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blocks[1] = bytebits_to_byte(bs,32);
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blocks[2] = bytebits_to_byte(bs+32,32);
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PrintAndLog("Preparing to clone IOProx to T55x7 with Version: %u FC: %u, CN: %u", version, fc, cn);
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PrintAndLog("Blk | Data ");
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PrintAndLog("----+------------");
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PrintAndLog(" 00 | 0x%08x", blocks[0]);
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PrintAndLog(" 01 | 0x%08x", blocks[1]);
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PrintAndLog(" 02 | 0x%08x", blocks[2]);
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//UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
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UsbCommand c = {CMD_IO_CLONE_TAG, {blocks[1],blocks[2],0}};
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clearCommandBuffer();
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SendCommand(&c);
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return 0;
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}
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static command_t CommandTable[] = {
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{"help", CmdHelp, 1, "This help"},
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//{"demod", CmdIOProxDemod, 1, "Demodulate Stream"},
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{"fskdemod",CmdIODemodFSK, 0, "['1'] Realtime IO FSK demodulator (option '1' for one tag only)"},
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{"sim", CmdIOSim, 0, "<version> <facility-code> <card number> -- IOProx tag simulator"},
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{"clone", CmdIOClone, 0, "<version> <facility-code> <card number> <Q5> -- Clone IOProx to T55x7"},
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{NULL, NULL, 0, NULL}
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};
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int CmdLFIO(const char *Cmd){
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clearCommandBuffer();
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CmdsParse(CommandTable, Cmd);
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return 0;
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}
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int CmdHelp(const char *Cmd) {
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CmdsHelp(CommandTable);
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return 0;
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}
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