mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-09-22 00:06:13 +08:00
26922aefd7
FIX: when writing the timeout was triggered, Increased it to make the writing part stable.
350 lines
11 KiB
C
350 lines
11 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 "util.h" // weigandparity
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#include "protocols.h" // for T55xx config register definitions
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#include "cmdmain.h"
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#include "sleep.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 AWID compatible reader mode printing details of scanned AWID26 or AWID50 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 AWID card.");
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PrintAndLog("");
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PrintAndLog("Usage: lf awid 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 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 AWID 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 awid sim [h] <format> <facility-code> <card-number>");
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PrintAndLog("Options :");
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PrintAndLog(" h : This help");
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PrintAndLog(" <format> : format length 26|50");
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PrintAndLog(" <facility-code> : 8|16bit value facility code");
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PrintAndLog(" <card number> : 16|32-bit value card number");
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PrintAndLog("");
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PrintAndLog("Samples");
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PrintAndLog(" lf awid sim 26 224 1337");
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PrintAndLog(" lf awid sim 50 2001 13371337");
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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 AWID 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 awid clone [h] <format> <facility-code> <card-number> [Q5]");
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PrintAndLog("Options :");
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PrintAndLog(" h : This help");
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PrintAndLog(" <format> : format length 26|50");
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PrintAndLog(" <facility-code> : 8|16bit value facility code");
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PrintAndLog(" <card number> : 16|32-bit 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 awid clone 26 224 1337");
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PrintAndLog(" lf awid clone 50 2001 13371337");
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return 0;
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}
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int usage_lf_awid_brute(void){
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PrintAndLog("Enables bruteforce of AWID reader with specified facility-code.");
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PrintAndLog("This is a incremental attack against reader.");
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PrintAndLog("");
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PrintAndLog("Usage: lf awid brute [h] <format> <facility-code>");
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PrintAndLog("Options :");
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PrintAndLog(" h : This help");
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PrintAndLog(" <format> : format length 26|50");
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PrintAndLog(" <facility-code> : 8|16bit value facility code");
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PrintAndLog("");
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PrintAndLog("Samples");
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PrintAndLog(" lf awid brute 26 224");
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PrintAndLog(" lf awid brute 50 2001");
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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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//refactored by marshmellow
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int getAWIDBits(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint8_t *bits) {
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// the return bits, preamble 0000 0001
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bits[7] = 1;
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uint8_t pre[66];
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memset(pre, 0, sizeof(pre));
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// add formatlength
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num_to_bytebits(fmtlen, 8, pre);
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// add facilitycode, cardnumber and wiegand parity bits
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if ( fmtlen == 26 ) {
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uint8_t wiegand[24];
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num_to_bytebits(fc, 8, wiegand);
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num_to_bytebits(cn, 16, wiegand+8);
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wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
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} else {
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uint8_t wiegand[48];
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num_to_bytebits(fc, 16, wiegand);
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num_to_bytebits(cn, 32, wiegand+16);
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wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
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}
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// add AWID 4bit parity
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size_t bitLen = addParity(pre, bits+8, 66, 4, 1);
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if (bitLen != 88) return 0;
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return 1;
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}
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int CmdAWIDSim(const char *Cmd) {
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uint32_t fc = 0, cn = 0;
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uint8_t fmtlen = 0;
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uint8_t bits[96];
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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 = 50; // clk RF/50 invert=0
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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_awid_sim();
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fmtlen = param_get8(Cmd, 0);
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fc = param_get32ex(Cmd, 1, 0, 10);
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cn = param_get32ex(Cmd, 2, 0, 10);
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if ( !fc || !cn) return usage_lf_awid_sim();
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switch(fmtlen) {
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case 26:
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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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break;
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case 50:
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if ((fc & 0xFFFF) != fc) {
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fc &= 0xFFFF;
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PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
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}
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break;
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default: break;
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}
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PrintAndLog("Emulating AWID %u -- FC: %u; CN: %u\n", fmtlen, fc, cn);
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PrintAndLog("Press pm3-button to abort simulation or run another command");
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if (!getAWIDBits(fmtlen, 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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// 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, 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 CmdAWIDClone(const char *Cmd) {
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uint32_t blocks[4] = {T55x7_MODULATION_FSK2a | T55x7_BITRATE_RF_50 | 3<<T55x7_MAXBLOCK_SHIFT, 0, 0, 0};
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uint32_t fc = 0, cn = 0;
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uint8_t fmtlen = 0;
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uint8_t bits[96];
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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_awid_clone();
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fmtlen = param_get8(Cmd, 0);
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fc = param_get32ex(Cmd, 1, 0, 10);
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cn = param_get32ex(Cmd, 2, 0, 10);
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if ( !fc || !cn) return usage_lf_awid_clone();
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switch(fmtlen) {
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case 50:
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if ((fc & 0xFFFF) != fc) {
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fc &= 0xFFFF;
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PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
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}
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break;
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default:
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fmtlen = 26;
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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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break;
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}
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if (param_getchar(Cmd, 4) == 'Q' || param_getchar(Cmd, 4) == '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<<T5555_BITRATE_SHIFT | 3<<T5555_MAXBLOCK_SHIFT;
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if ( !getAWIDBits(fmtlen, 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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blocks[3] = bytebits_to_byte(bs+64,32);
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PrintAndLog("Preparing to clone AWID %u to T55x7 with FC: %u, CN: %u", fmtlen, 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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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 (uint8_t 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, 1500)){
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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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int CmdAWIDBrute(const char *Cmd){
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uint32_t fc = 0x00;
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uint8_t fmtlen = 0;
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uint8_t bits[96];
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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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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) > 4 || strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_awid_brute();
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fmtlen = param_get8(Cmd, 0);
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fc = param_get32ex(Cmd, 1, 0, 10);
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if ( !fc ) return usage_lf_awid_brute();
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switch(fmtlen) {
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case 50:
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if ((fc & 0xFFFF) != fc) {
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fc &= 0xFFFF;
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PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
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}
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break;
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default:
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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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break;
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}
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PrintAndLog("Bruteforceing AWID %d Reader", fmtlen);
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PrintAndLog("Press pm3-button to abort simulation or run another command");
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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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UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
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for ( uint16_t cn = 1; cn < 0xFFFF; ++cn){
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if (ukbhit()) {
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PrintAndLog("aborted via keyboard!");
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c.cmd = CMD_PING;
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c.arg[0] = 0x00;
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c.arg[1] = 0x00;
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c.arg[2] = 0x00;
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clearCommandBuffer();
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SendCommand(&c);
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return 1;
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}
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(void)getAWIDBits(fmtlen, fc, cn, bs);
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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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PrintAndLog("Trying FC: %u; CN: %u", fc, cn);
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// pause
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sleep(1);
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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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{"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> <Q5> -- Clone AWID to T55x7"},
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{"brute", CmdAWIDBrute, 0, "<Facility-Code> -- bruteforce card number"},
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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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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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