mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-09-21 07:46:12 +08:00
52f2df615b
ADD: lf awid code is modified, some minor changes in outputs ADD: lf t55xx write now prints the password on the same row, looks better when using the new "lf t55xx wipe" command. ADD: the ioprox T55X7_IOPROX_CONFIG_BLOCK block.
270 lines
8.7 KiB
C
270 lines
8.7 KiB
C
//-----------------------------------------------------------------------------
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// Authored by Craig Young <cyoung@tripwire.com> based on cmdlfhid.c structure
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//
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// cmdlfhid.c is Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// Low frequency AWID26 commands
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//-----------------------------------------------------------------------------
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#include <stdio.h> // sscanf
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#include "proxmark3.h" // Definitions, USB controls, etc
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#include "ui.h" // PrintAndLog
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#include "cmdparser.h" // CmdsParse, CmdsHelp
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#include "cmdlfawid.h" // AWID function declarations
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#include "lfdemod.h" // parityTest
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#include "cmdmain.h"
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static int CmdHelp(const char *Cmd);
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int usage_lf_awid_fskdemod(void) {
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PrintAndLog("Enables AWID26 compatible reader mode printing details of scanned AWID26 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 AWID26 card.");
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PrintAndLog("");
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PrintAndLog("Usage: lf awid fskdemod ['1']");
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PrintAndLog("Options :");
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PrintAndLog(" 1 : (optional) stop after reading a single card");
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PrintAndLog("");
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PrintAndLog(" sample : lf awid fskdemod");
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PrintAndLog(" : lf awid fskdemod 1");
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return 0;
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}
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int usage_lf_awid_sim(void) {
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PrintAndLog("Enables simulation of AWID26 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("Per AWID26 format, the facility-code is 8-bit and the card number is 16-bit. Larger values are truncated.");
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PrintAndLog("");
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PrintAndLog("Usage: lf awid sim <Facility-Code> <Card-Number>");
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PrintAndLog("Options :");
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PrintAndLog(" <Facility-Code> : 8-bit value AWID facility code");
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PrintAndLog(" <Card Number> : 16-bit value AWID card number");
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PrintAndLog("");
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PrintAndLog("sample : lf awid sim 224 1337");
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return 0;
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}
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int usage_lf_awid_clone(void) {
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PrintAndLog("Enables cloning of AWID26 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("Per AWID26 format, the facility-code is 8-bit and the card number is 16-bit. Larger values are truncated.");
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PrintAndLog("");
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PrintAndLog("Usage: lf awid clone <Facility-Code> <Card-Number>");
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PrintAndLog("Options :");
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PrintAndLog(" <Facility-Code> : 8-bit value AWID facility code");
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PrintAndLog(" <Card Number> : 16-bit value AWID card number");
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PrintAndLog("");
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PrintAndLog("sample : lf awid clone 224 1337");
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return 0;
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}
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int CmdAWIDDemodFSK(const char *Cmd) {
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int findone = 0;
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if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_awid_fskdemod();
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if (Cmd[0] == '1') findone = 1;
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UsbCommand c = {CMD_AWID_DEMOD_FSK, {findone, 0, 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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int getAWIDBits(unsigned int fc, unsigned int cn, uint8_t *AWIDBits)
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{
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//int i;
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uint32_t fcode = (fc & 0x000000FF);
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uint32_t cnum = (cn & 0x0000FFFF);
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uint32_t uBits = 0;
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if (fcode != fc)
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PrintAndLog("NOTE: Facility code truncated for AWID26 format (8-bit facility code)");
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if (cnum!=cn)
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PrintAndLog("NOTE: Card number was truncated for AWID26 format (16-bit card number)");
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uint8_t pre[] = {0x01, 0x1D, 0x80, 0x00,0x00,0x00,0x00, 0x11, 0x11, 0x11, 0x11, 0x11};
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memcpy(AWIDBits, pre , sizeof(pre));
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// AWIDBits[0] = 0x01; // 6-bit Preamble with 2 parity bits
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// AWIDBits[1] = 0x1D; // First byte from card format (26-bit) plus parity bits
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// AWIDBits[2] = 0x80; // Set the next two bits as 0b10 to finish card format
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// for (i = 7; i<12; i++)
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// AWIDBits[i]=0x11;
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uBits = (fcode<<4) + (cnum>>12);
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if (!parityTest(uBits,12,0)) AWIDBits[2] |= (1<<5); // If not already even parity, set bit to make even
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uBits = AWIDBits[2]>>5;
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if (!parityTest(uBits, 3, 1)) AWIDBits[2] |= (1<<4);
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uBits = fcode>>5; // first 3 bits of facility-code
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AWIDBits[2] += (uBits<<1);
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if (!parityTest(uBits, 3, 1)) AWIDBits[2]++; // Set parity bit to make odd parity
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uBits = (fcode & 0x1C)>>2;
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AWIDBits[3] = 0;
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if (!parityTest(uBits,3,1)) AWIDBits[3] |= (1<<4);
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AWIDBits[3] += (uBits<<5);
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uBits = ((fcode & 0x3)<<1) + ((cnum & 0x8000)>>15); // Grab/shift 2 LSBs from facility code and add shifted MSB from cardnum
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if (!parityTest(uBits,3,1)) AWIDBits[3]++; // Set LSB for parity
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AWIDBits[3]+= (uBits<<1);
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uBits = (cnum & 0x7000)>>12;
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AWIDBits[4] = uBits<<5;
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if (!parityTest(uBits,3,1)) AWIDBits[4] |= (1<<4);
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uBits = (cnum & 0x0E00)>>9;
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AWIDBits[4] += (uBits<<1);
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if (!parityTest(uBits,3,1)) AWIDBits[4]++; // Set LSB for parity
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uBits = (cnum & 0x1C0)>>6; // Next bits from card number
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AWIDBits[5]=(uBits<<5);
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if (!parityTest(uBits,3,1)) AWIDBits[5] |= (1<<4); // Set odd parity bit as needed
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uBits = (cnum & 0x38)>>3;
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AWIDBits[5]+= (uBits<<1);
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if (!parityTest(uBits,3,1)) AWIDBits[5]++; // Set odd parity bit as needed
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uBits = (cnum & 0x7); // Last three bits from card number!
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AWIDBits[6] = (uBits<<5);
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if (!parityTest(uBits,3,1)) AWIDBits[6] |= (1<<4);
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uBits = (cnum & 0x0FFF);
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if (!parityTest(uBits,12,1))
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AWIDBits[6] |= (1<<3);
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else
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AWIDBits[6]++;
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return 1;
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}
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int CmdAWIDSim(const char *Cmd)
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{
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uint32_t fcode = 0, cnum = 0, fc=0, cn=0, i=0;
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uint8_t bits[12];
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uint8_t *bs=bits;
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uint64_t arg1 = (10<<8) + 8; // fcHigh = 10, fcLow = 8
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uint64_t arg2 = 50; // clk RF/50 invert=0
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if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_awid_sim();
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fcode = (fc & 0x000000FF);
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cnum = (cn & 0x0000FFFF);
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if (fc!=fcode) PrintAndLog("Facility-Code (%u) truncated to 8-bits: %u", fc, fcode);
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if (cn!=cnum) PrintAndLog("Card number (%u) truncated to 16-bits: %u", cn, cnum);
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PrintAndLog("Emulating AWID26 -- FC: %u; CN: %u\n", fcode, cnum);
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PrintAndLog("Press pm3-button to abort simulation or run another command");
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if (!getAWIDBits(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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// AWID uses: fcHigh: 10, fcLow: 8, clk: 50, invert: 0
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PrintAndLog("Running 'lf simfsk c 50 H 10 L 8 d %s'", sprint_hex(bs, sizeof(bs)));
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// arg1 --- fcHigh<<8 + fcLow
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// arg2 --- Inversion and clk setting
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// 96 --- Bitstream length: 96-bits == 12 bytes
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UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, 96}};
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for (i=0; i < 96; i++)
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c.d.asBytes[i] = (bs[i/8] & (1<<(7-(i%8)))) ? 1 : 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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int CmdAWIDClone(const char *Cmd)
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{
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uint32_t blocks[4] = {0x00107060, 0, 0, 0x11111111};
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uint32_t fc=0, cn=0, i=0;
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uint8_t bits[12];
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uint8_t *bs=bits;
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if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_awid_clone();
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if ((fc & 0xFF) != fc) {
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fc &= 0xFF;
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PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
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}
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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 (AWID26): %u", cn);
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}
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if ( !getAWIDBits(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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PrintAndLog("Preparing to clone AWID26 to T55x7 with FC: %u, CN: %u ", fc, cn);
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PrintAndLog("Raw: %s", sprint_hex(bs, sizeof(bs)));
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blocks[1] = (bs[0]<<24) + (bs[1]<<16) + (bs[2]<<8) + (bs[3]);
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blocks[2] = (bs[4]<<24) + (bs[5]<<16) + (bs[6]<<8) + (bs[7]);
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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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PrintAndLog(" 03 | 0x%08x", blocks[3]);
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UsbCommand resp;
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UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
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for (i=0; i<4; i++) {
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c.arg[0] = blocks[i];
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c.arg[1] = i;
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clearCommandBuffer();
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SendCommand(&c);
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if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
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PrintAndLog("Error occurred, device did not respond during write operation.");
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return -1;
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}
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}
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return 0;
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}
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static command_t CommandTable[] =
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{
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{"help", CmdHelp, 1, "This help"},
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{"fskdemod", CmdAWIDDemodFSK, 0, "['1'] Realtime AWID FSK demodulator (option '1' for one tag only)"},
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{"sim", CmdAWIDSim, 0, "<Facility-Code> <Card Number> -- AWID tag simulator"},
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{"clone", CmdAWIDClone, 0, "<Facility-Code> <Card Number> -- Clone AWID to T55x7 (tag must be in range of antenna)"},
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{NULL, NULL, 0, NULL}
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};
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int CmdLFAWID(const char *Cmd)
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{
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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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{
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CmdsHelp(CommandTable);
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return 0;
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}
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