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proxmark3/client/src/cmdlfhitag.c
iceman1001 005079b91f lf hitag info, sniff - now uses cliparser
2021-01-09 22:45:17 +01:00

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//-----------------------------------------------------------------------------
// Copyright (C) 2012 Roel Verdult
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// Low frequency Hitag support
//-----------------------------------------------------------------------------
#include "cmdlfhitag.h"
#include <ctype.h>
#include "cmdparser.h" // command_t
#include "comms.h"
#include "cmdtrace.h"
#include "commonutil.h"
#include "hitag.h"
#include "fileutils.h" // savefile
#include "protocols.h" // defines
#include "cliparser.h"
static int CmdHelp(const char *Cmd);
static const char *getHitagTypeStr(uint32_t uid) {
//uid s/n ********
uint8_t type = (uid >> 4) & 0xF;
switch (type) {
case 1:
return "PCF 7936";
case 2:
return "PCF 7946";
case 3:
return "PCF 7947";
case 4:
return "PCF 7942/44";
case 5:
return "PCF 7943";
case 6:
return "PCF 7941";
case 7:
return "PCF 7952";
case 9:
return "PCF 7945";
default:
return "";
}
}
/*
static size_t nbytes(size_t nbits) {
return (nbits / 8) + ((nbits % 8) > 0);
}
*/
static int usage_hitag_sim(void) {
PrintAndLogEx(NORMAL, "Simulate " _YELLOW_("Hitag2 / HitagS")" transponder");
PrintAndLogEx(NORMAL, "Usage: lf hitag sim [h] [2|s] e|j|b <filename w/o extension>");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h This help");
PrintAndLogEx(NORMAL, " [2|s] 2 = hitag2, s = hitagS");
PrintAndLogEx(NORMAL, " e <filename> Load data from EML file");
PrintAndLogEx(NORMAL, " j <filename> Load data from JSON file");
PrintAndLogEx(NORMAL, " b <filename> Load data from BIN file");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf hitag sim 2 b lf-hitag-dump");
return PM3_SUCCESS;
}
/*
static int usage_hitag_dump(void) {
PrintAndLogEx(NORMAL, "Usage: lf hitag dump [h] p <pwd> f <name>");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h This help");
// PrintAndLogEx(NORMAL, " p <pwd> password");
// PrintAndLogEx(NORMAL, " f <name> data filename, if no <name> given, UID will be used as filename");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf hitag dump f mydump");
PrintAndLogEx(NORMAL, " lf hitag dump p 4D494B52 f mydump");
return PM3_SUCCESS;
}
*/
static int usage_hitag_reader(void) {
PrintAndLogEx(NORMAL, "Hitag reader functions");
PrintAndLogEx(NORMAL, "Usage: lf hitag reader [h] <reader function #>");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h This help");
PrintAndLogEx(NORMAL, " HitagS (0*)");
PrintAndLogEx(NORMAL, " 01 <nr> <ar> Read all pages, challenge mode");
PrintAndLogEx(NORMAL, " 02 <key> Read all pages, crypto mode. Set key=0 for no auth");
PrintAndLogEx(NORMAL, " Hitag1 (1*)");
PrintAndLogEx(NORMAL, " Not implemented");
PrintAndLogEx(NORMAL, " Hitag2 (2*)");
PrintAndLogEx(NORMAL, " 21 <password> Read all pages, password mode. Default: " _YELLOW_("4D494B52") " (\"MIKR\")");
PrintAndLogEx(NORMAL, " 22 <nr> <ar> Read all pages, challenge mode");
PrintAndLogEx(NORMAL, " 23 <key> Read all pages, crypto mode. Key format: ISK high + ISK low. Default: " _YELLOW_("4F4E4D494B52") " (\"ONMIKR\")");
PrintAndLogEx(NORMAL, " 25 Test recorded authentications");
PrintAndLogEx(NORMAL, " 26 Just read UID");
return PM3_SUCCESS;
}
static int usage_hitag_writer(void) {
PrintAndLogEx(NORMAL, "Hitag writer functions");
PrintAndLogEx(NORMAL, "Usage: lf hitag write [h] <reader function #>");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h This help");
PrintAndLogEx(NORMAL, " HitagS (0*)");
PrintAndLogEx(NORMAL, " 03 <nr,ar> <page> <byte0...byte3> Write page, challenge mode");
PrintAndLogEx(NORMAL, " 04 <key> <page> <byte0...byte3> Write page, crypto mode. Set key=0 for no auth");
PrintAndLogEx(NORMAL, " Hitag1 (1*)");
PrintAndLogEx(NORMAL, " Not implemented");
PrintAndLogEx(NORMAL, " Hitag2 (2*)");
PrintAndLogEx(NORMAL, " 24 <key> <page> <byte0...byte3> Write page, crypto mode. Key format: ISK high + ISK low.");
PrintAndLogEx(NORMAL, " Default: 4F4E4D494B52 (\"ONMIKR\"). Set key=0 for no auth");
PrintAndLogEx(NORMAL, " 27 <password> <page> <byte0...byte3> Write page, password mode. Default: 4D494B52 (\"MIKR\")");
return PM3_SUCCESS;
}
static int usage_hitag_checkchallenges(void) {
PrintAndLogEx(NORMAL, "Check challenges, load a file with save hitag crypto challenges and test them all.");
PrintAndLogEx(NORMAL, "The file should be 8 * 60 bytes long, the file extension defaults to " _YELLOW_("`.cc`"));
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Usage: lf hitag cc [h] f <filename w/o extension>");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h This help");
PrintAndLogEx(NORMAL, " f <filename> Load data from BIN file");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf hitag cc f lf-hitag-challenges");
return PM3_SUCCESS;
}
static int CmdLFHitagList(const char *Cmd) {
char args[128] = {0};
if (strlen(Cmd) == 0) {
snprintf(args, sizeof(args), "-t hitag2");
} else {
strncpy(args, Cmd, sizeof(args) - 1);
}
return CmdTraceList(args);
/*
uint8_t *got = calloc(PM3_CMD_DATA_SIZE, sizeof(uint8_t));
if (!got) {
PrintAndLogEx(WARNING, "Cannot allocate memory for trace");
return PM3_EMALLOC;
}
// Query for the actual size of the trace
PacketResponseNG response;
if (!GetFromDevice(BIG_BUF, got, PM3_CMD_DATA_SIZE, 0, NULL, 0, &response, 2500, false)) {
PrintAndLogEx(WARNING, "command execution time out");
free(got);
return PM3_ETIMEOUT;
}
uint16_t traceLen = response.arg[2];
if (traceLen > PM3_CMD_DATA_SIZE) {
uint8_t *p = realloc(got, traceLen);
if (p == NULL) {
PrintAndLogEx(WARNING, "Cannot allocate memory for trace");
free(got);
return PM3_EMALLOC;
}
got = p;
if (!GetFromDevice(BIG_BUF, got, traceLen, 0, NULL, 0, NULL, 2500, false)) {
PrintAndLogEx(WARNING, "command execution time out");
free(got);
return PM3_ETIMEOUT;
}
}
PrintAndLogEx(NORMAL, "recorded activity (TraceLen = %d bytes):");
PrintAndLogEx(NORMAL, " ETU :nbits: who bytes");
PrintAndLogEx(NORMAL, "---------+-----+----+-----------");
int i = 0;
int prev = -1;
int len = strlen(Cmd);
char filename[FILE_PATH_SIZE] = { 0x00 };
FILE *f = NULL;
if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
memcpy(filename, Cmd, len);
if (strlen(filename) > 0) {
f = fopen(filename, "wb");
if (!f) {
PrintAndLogEx(ERR, "Error: Could not open file [%s]", filename);
return PM3_EFILE;
}
}
for (;;) {
if (i >= traceLen) { break; }
bool isResponse;
int timestamp = *((uint32_t *)(got + i));
if (timestamp & 0x80000000) {
timestamp &= 0x7fffffff;
isResponse = 1;
} else {
isResponse = 0;
}
int parityBits = *((uint32_t *)(got + i + 4));
// 4 bytes of additional information...
// maximum of 32 additional parity bit information
//
// TODO:
// at each quarter bit period we can send power level (16 levels)
// or each half bit period in 256 levels.
int bits = got[i + 8];
int len = nbytes(got[i + 8]);
if (len > 100) {
break;
}
if (i + len > traceLen) { break;}
uint8_t *frame = (got + i + 9);
// Break and stick with current result if buffer was not completely full
if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
char line[1000] = "";
int j;
for (j = 0; j < len; j++) {
//if((parityBits >> (len - j - 1)) & 0x01) {
if (isResponse && (oddparity8(frame[j]) != ((parityBits >> (len - j - 1)) & 0x01))) {
sprintf(line + (j * 4), "%02x! ", frame[j]);
} else {
sprintf(line + (j * 4), "%02x ", frame[j]);
}
}
PrintAndLogEx(NORMAL, " +%7d: %3d: %s %s",
(prev < 0 ? 0 : (timestamp - prev)),
bits,
(isResponse ? "TAG" : " "),
line);
if (f) {
fprintf(f, " +%7d: %3d: %s %s\n",
(prev < 0 ? 0 : (timestamp - prev)),
bits,
(isResponse ? "TAG" : " "),
line);
}
prev = timestamp;
i += (len + 9);
}
if (f) {
fclose(f);
PrintAndLogEx(NORMAL, "Recorded activity successfully written to file: %s", filename);
}
free(got);
return PM3_SUCCES;
*/
}
static int CmdLFHitagSniff(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf hitag sniff",
"Sniff traffic between Hitag reader and tag.\n"
"Use " _YELLOW_("`lf hitag list`")" to view collected data.",
"lf hitag sniff"
);
void *argtable[] = {
arg_param_begin,
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, true);
CLIParserFree(ctx);
clearCommandBuffer();
SendCommandNG(CMD_LF_HITAG_SNIFF, NULL, 0);
PrintAndLogEx(HINT, "HINT: Try " _YELLOW_("`lf hitag list`")" to view collected data");
return PM3_SUCCESS;
}
static int CmdLFHitagSim(const char *Cmd) {
bool errors = false;
bool tag_mem_supplied = false;
uint8_t cmdp = 0;
size_t maxdatalen = 48;
uint8_t *data = calloc(4 * 64, sizeof(uint8_t));
size_t datalen = 0;
int res = 0;
char filename[FILE_PATH_SIZE] = { 0x00 };
uint16_t cmd = CMD_LF_HITAG_SIMULATE;
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h':
free(data);
return usage_hitag_sim();
case '2':
maxdatalen = 48;
cmdp++;
break;
case 's':
cmd = CMD_LF_HITAGS_SIMULATE;
maxdatalen = 4 * 64;
cmdp++;
break;
case 'e':
param_getstr(Cmd, cmdp + 1, filename, sizeof(filename));
res = loadFileEML(filename, data, &datalen);
if (res > 0 || datalen != maxdatalen) {
PrintAndLogEx(FAILED, "error, bytes read mismatch file size");
errors = true;
break;
}
tag_mem_supplied = true;
cmdp += 2;
break;
case 'j':
param_getstr(Cmd, cmdp + 1, filename, sizeof(filename));
res = loadFileJSON(filename, data, maxdatalen, &datalen, NULL);
if (res > 0) {
errors = true;
break;
}
tag_mem_supplied = true;
cmdp += 2;
break;
case 'b':
param_getstr(Cmd, cmdp + 1, filename, sizeof(filename));
res = loadFile(filename, ".bin", data, maxdatalen, &datalen);
if (res > 0) {
errors = true;
break;
}
tag_mem_supplied = true;
cmdp += 2;
break;
default:
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
//Validations
if (errors || cmdp == 0) {
free(data);
return usage_hitag_sim();
}
clearCommandBuffer();
if (tag_mem_supplied) {
SendCommandMIX(cmd, 1, 0, 0, data, datalen);
} else {
SendCommandMIX(cmd, 0, 0, 0, NULL, 0);
}
free(data);
return PM3_SUCCESS;
}
static void printHitagConfiguration(uint8_t config) {
char msg[100];
memset(msg, 0, sizeof(msg));
char bits[9];
char *bs = bits;
for (uint8_t i = 0 ; i < 8 ; i++) {
snprintf(bs, sizeof(bits) - i, "%1d", (config >> (7 - i)) & 1);
bs++;
}
PrintAndLogEx(INFO, "\n\nHitag2 tag information ");
PrintAndLogEx(INFO, "------------------------------------");
//configuration byte
PrintAndLogEx(SUCCESS, "Config byte : 0x%02X [ %s ]", config, bits);
// encoding
strcat(msg, "Encoding : ");
if (config & 0x1) {
strcat(msg + strlen(msg), _YELLOW_("Biphase"));
} else {
strcat(msg + strlen(msg), _YELLOW_("Manchester"));
}
PrintAndLogEx(SUCCESS, "%s", msg);
memset(msg, 0, sizeof(msg));
// version
strcat(msg, "Coding in HITAG 2 operation: %s");
uint8_t foo = (config & 0x6) >> 1;
switch (foo) {
case 0:
PrintAndLogEx(SUCCESS, "Version : public mode B, Coding: biphase");
PrintAndLogEx(SUCCESS, msg, (config & 0x1) ? "biphase" : "manchester");
break;
case 1:
PrintAndLogEx(SUCCESS, "Version : public mode A, Coding: manchester");
PrintAndLogEx(SUCCESS, msg, (config & 0x1) ? "biphase" : "manchester");
break;
case 2:
PrintAndLogEx(SUCCESS, "Version : public mode C, Coding: biphase");
PrintAndLogEx(SUCCESS, msg, (config & 0x1) ? "biphase" : "manchester");
break;
case 3:
PrintAndLogEx(SUCCESS, "Version : Hitag2");
PrintAndLogEx(SUCCESS, msg, (config & 0x1) ? "biphase" : "manchester");
break;
}
memset(msg, 0, sizeof(msg));
// mode
strcat(msg, "Tag is in : ");
if (config & 0x8) {
strcat(msg + strlen(msg), _YELLOW_("Crypto mode"));
} else {
strcat(msg + strlen(msg), _YELLOW_("Password mode"));
}
PrintAndLogEx(SUCCESS, "%s", msg);
memset(msg, 0, sizeof(msg));
// page access
strcat(msg, "Page 6,7 : ");
if (config & 0x10) {
strcat(msg + strlen(msg), "read only");
} else {
strcat(msg + strlen(msg), _GREEN_("RW"));
}
PrintAndLogEx(SUCCESS, "%s", msg);
memset(msg, 0, sizeof(msg));
// page access
strcat(msg, "Page 4,5 : ");
if (config & 0x20) {
strcat(msg + strlen(msg), "read only");
} else {
strcat(msg + strlen(msg), _GREEN_("RW"));
}
PrintAndLogEx(SUCCESS, "%s", msg);
memset(msg, 0, sizeof(msg));
// OTP
strcat(msg, "Page 3 : ");
if (config & 0x40) {
strcat(msg + strlen(msg), "read only. Configuration byte and password tag " _RED_("FIXED / IRREVERSIBLE"));
} else {
strcat(msg + strlen(msg), _GREEN_("RW"));
}
PrintAndLogEx(SUCCESS, "%s", msg);
memset(msg, 0, sizeof(msg));
// OTP
if (config & 0x80) {
strcat(msg, "Page 1 : " _RED_("locked") "\n");
strcat(msg + strlen(msg), "Page 2 : ");
if (config & 0x8) {
strcat(msg + strlen(msg), _RED_("locked"));
} else {
strcat(msg + strlen(msg), "read only");
}
} else {
strcat(msg, "Page 1,2 : " _GREEN_("RW"));
}
PrintAndLogEx(SUCCESS, "%s", msg);
PrintAndLogEx(INFO, "------------------------------------");
}
static bool getHitagUid(uint32_t *uid) {
hitag_data htd;
memset(&htd, 0, sizeof(htd));
clearCommandBuffer();
SendCommandMIX(CMD_LF_HITAG_READER, RHT2F_UID_ONLY, 0, 0, &htd, sizeof(htd));
PacketResponseNG resp;
if (!WaitForResponseTimeout(CMD_ACK, &resp, 2500)) {
PrintAndLogEx(WARNING, "timeout while waiting for reply.");
return false;
}
if (resp.oldarg[0] == false) {
PrintAndLogEx(DEBUG, "DEBUG: Error - failed getting UID");
return false;
}
if (uid)
*uid = bytes_to_num(resp.data.asBytes, 4);
return true;
}
static int CmdLFHitagInfo(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf hitag info",
"Sniff traffic between Hitag reader and tag.",
"lf hitag info"
);
void *argtable[] = {
arg_param_begin,
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, true);
CLIParserFree(ctx);
// read UID
uint32_t uid = 0;
if (getHitagUid(&uid) == false)
return PM3_ESOFT;
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(INFO, "--- " _CYAN_("Tag Information") " ---------------------------");
PrintAndLogEx(INFO, "-------------------------------------------------------------");
PrintAndLogEx(SUCCESS, " UID: " _GREEN_("%08X"), uid);
PrintAndLogEx(SUCCESS, " TYPE: " _GREEN_("%s"), getHitagTypeStr(uid));
// how to detemine Hitag types?
// read block3, get configuration byte.
// common configurations.
// printHitagConfiguration(0x06);
//printHitagConfiguration( 0x0E );
//printHitagConfiguration( 0x02 );
//printHitagConfiguration( 0x00 );
//printHitagConfiguration( 0x04 );
PrintAndLogEx(INFO, "-------------------------------------------------------------");
return PM3_SUCCESS;
}
// TODO: iceman
// Hitag2 reader, problem is that this command mixes up stuff. So 26 give uid. 21 etc will also give you a memory dump !?
//
static int CmdLFHitagReader(const char *Cmd) {
uint16_t cmd = CMD_LF_HITAG_READER;
hitag_data htd;
hitag_function htf = param_get32ex(Cmd, 0, 0, 10);
switch (htf) {
case RHTSF_CHALLENGE: {
cmd = CMD_LF_HITAGS_READ;
num_to_bytes(param_get32ex(Cmd, 1, 0, 16), 4, htd.auth.NrAr);
num_to_bytes(param_get32ex(Cmd, 2, 0, 16), 4, htd.auth.NrAr + 4);
break;
}
case RHTSF_KEY: {
cmd = CMD_LF_HITAGS_READ;
num_to_bytes(param_get64ex(Cmd, 1, 0, 16), 6, htd.crypto.key);
break;
}
case RHT2F_PASSWORD: {
num_to_bytes(param_get32ex(Cmd, 1, 0, 16), 4, htd.pwd.password);
break;
}
case RHT2F_AUTHENTICATE: {
num_to_bytes(param_get32ex(Cmd, 1, 0, 16), 4, htd.auth.NrAr);
num_to_bytes(param_get32ex(Cmd, 2, 0, 16), 4, htd.auth.NrAr + 4);
break;
}
case RHT2F_CRYPTO: {
num_to_bytes(param_get64ex(Cmd, 1, 0, 16), 6, htd.crypto.key);
break;
}
case RHT2F_TEST_AUTH_ATTEMPTS: {
// No additional parameters needed
break;
}
case RHT2F_UID_ONLY: {
// No additional parameters needed
break;
}
default:
case RHT1F_PLAIN:
case RHT1F_AUTHENTICATE:
case WHTSF_CHALLENGE:
case WHTSF_KEY:
case WHT2F_PASSWORD:
case WHT2F_CRYPTO:
return usage_hitag_reader();
}
clearCommandBuffer();
SendCommandMIX(cmd, htf, 0, 0, &htd, sizeof(htd));
PacketResponseNG resp;
if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
PrintAndLogEx(WARNING, "timeout while waiting for reply.");
return PM3_ETIMEOUT;
}
if (resp.oldarg[0] == false) {
PrintAndLogEx(DEBUG, "DEBUG: Error - hitag failed");
return PM3_ESOFT;
}
uint32_t id = bytes_to_num(resp.data.asBytes, 4);
uint8_t *data = resp.data.asBytes;
PrintAndLogEx(SUCCESS, " UID: " _YELLOW_("%08x"), id);
if (htf != RHT2F_UID_ONLY) {
// block3, 1 byte
printHitagConfiguration(data[4 * 3]);
}
return PM3_SUCCESS;
}
static int CmdLFHitagCheckChallenges(const char *Cmd) {
char filename[FILE_PATH_SIZE] = { 0x00 };
size_t datalen = 0;
int res = 0;
bool file_given = false;
bool errors = false;
uint8_t cmdp = 0;
uint8_t *data = calloc(8 * 60, sizeof(uint8_t));
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h':
free(data);
return usage_hitag_checkchallenges();
case 'f':
//file with all the challenges to try
param_getstr(Cmd, cmdp + 1, filename, sizeof(filename));
res = loadFile(filename, ".cc", data, 8 * 60, &datalen);
if (res > 0) {
errors = true;
break;
}
file_given = true;
cmdp += 2;
break;
default:
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
//Validations
if (errors || strlen(Cmd) == 0) {
free(data);
return usage_hitag_checkchallenges();
}
clearCommandBuffer();
if (file_given)
SendCommandOLD(CMD_LF_HITAGS_TEST_TRACES, 1, 0, 0, data, datalen);
else
SendCommandMIX(CMD_LF_HITAGS_TEST_TRACES, 0, 0, 0, NULL, 0);
free(data);
return PM3_SUCCESS;
}
static int CmdLFHitagWriter(const char *Cmd) {
hitag_data htd;
hitag_function htf = param_get32ex(Cmd, 0, 0, 10);
uint32_t arg2 = 0;
switch (htf) {
case WHTSF_CHALLENGE: {
num_to_bytes(param_get64ex(Cmd, 1, 0, 16), 8, htd.auth.NrAr);
arg2 = param_get32ex(Cmd, 2, 0, 10);
num_to_bytes(param_get32ex(Cmd, 3, 0, 16), 4, htd.auth.data);
break;
}
case WHTSF_KEY:
case WHT2F_CRYPTO: {
num_to_bytes(param_get64ex(Cmd, 1, 0, 16), 6, htd.crypto.key);
arg2 = param_get32ex(Cmd, 2, 0, 10);
num_to_bytes(param_get32ex(Cmd, 3, 0, 16), 4, htd.crypto.data);
break;
}
case WHT2F_PASSWORD: {
num_to_bytes(param_get64ex(Cmd, 1, 0, 16), 4, htd.pwd.password);
arg2 = param_get32ex(Cmd, 2, 0, 10);
num_to_bytes(param_get32ex(Cmd, 3, 0, 16), 4, htd.crypto.data);
break;
}
default:
case RHT1F_PLAIN:
case RHT1F_AUTHENTICATE:
case RHTSF_CHALLENGE:
case RHTSF_KEY:
case RHT2F_PASSWORD:
case RHT2F_AUTHENTICATE:
case RHT2F_CRYPTO:
case RHT2F_TEST_AUTH_ATTEMPTS:
case RHT2F_UID_ONLY:
return usage_hitag_writer();
}
clearCommandBuffer();
SendCommandMIX(CMD_LF_HITAGS_WRITE, htf, 0, arg2, &htd, sizeof(htd));
PacketResponseNG resp;
if (!WaitForResponseTimeout(CMD_ACK, &resp, 4000)) {
PrintAndLogEx(WARNING, "timeout while waiting for reply.");
return PM3_ETIMEOUT;
}
if (resp.oldarg[0] == false) {
PrintAndLogEx(DEBUG, "DEBUG: Error - hitag write failed");
return PM3_ESOFT;
}
return PM3_SUCCESS;
}
static int CmdLFHitag2Dump(const char *Cmd) {
PrintAndLogEx(INFO, "Dumping of tag memory");
char ctmp = tolower(param_getchar(Cmd, 0));
if (ctmp == 'h') return 0; // usage_hitag_dump();
PacketResponseNG resp;
PrintAndLogEx(SUCCESS, "Dumping tag memory...");
uint8_t *data = resp.data.asBytes;
char filename[FILE_PATH_SIZE];
char *fnameptr = filename;
fnameptr += sprintf(fnameptr, "lf-hitag-");
FillFileNameByUID(fnameptr, data, "-dump", 4);
saveFile(filename, ".bin", data, 48);
saveFileEML(filename, data, 48, 4);
saveFileJSON(filename, jsfHitag, data, 48, NULL);
return PM3_SUCCESS;
}
// Annotate HITAG protocol
void annotateHitag1(char *exp, size_t size, uint8_t *cmd, uint8_t cmdsize, bool is_reader) {
}
void annotateHitag2(char *exp, size_t size, uint8_t *cmd, uint8_t cmdsize, bool is_response) {
// iceman: live decrypt of trace?
if (is_response) {
uint8_t cmdbits = (cmd[0] & 0xC0) >> 6;
if (cmdsize == 1) {
if (cmdbits == HITAG2_START_AUTH) {
snprintf(exp, size, "START AUTH");
return;
}
if (cmdbits == HITAG2_HALT) {
snprintf(exp, size, "HALT");
return;
}
}
if (cmdsize == 3) {
if (cmdbits == HITAG2_START_AUTH) {
// C 1 C 0
// 1100 0 00 1 1100 000
uint8_t page = (cmd[0] & 0x38) >> 3;
uint8_t inv_page = ((cmd[0] & 0x1) << 2) | ((cmd[1] & 0xC0) >> 6);
snprintf(exp, size, "READ page(%x) %x", page, inv_page);
return;
}
if (cmdbits == HITAG2_WRITE_PAGE) {
uint8_t page = (cmd[0] & 0x38) >> 3;
uint8_t inv_page = ((cmd[0] & 0x1) << 2) | ((cmd[1] & 0xC0) >> 6);
snprintf(exp, size, "WRITE page(%x) %x", page, inv_page);
return;
}
}
if (cmdsize == 9) {
snprintf(exp, size, "Nr Ar Is response");
return;
}
} else {
if (cmdsize == 9) {
snprintf(exp, size, "Nr Ar");
return;
}
}
}
void annotateHitagS(char *exp, size_t size, uint8_t *cmd, uint8_t cmdsize, bool is_reader) {
}
static command_t CommandTable[] = {
{"help", CmdHelp, AlwaysAvailable, "This help" },
{"list", CmdLFHitagList, IfPm3Hitag, "List Hitag trace history" },
{"info", CmdLFHitagInfo, IfPm3Hitag, "Tag information" },
{"reader", CmdLFHitagReader, IfPm3Hitag, "Act like a Hitag Reader" },
{"sim", CmdLFHitagSim, IfPm3Hitag, "Simulate Hitag transponder" },
{"sniff", CmdLFHitagSniff, IfPm3Hitag, "Eavesdrop Hitag communication" },
{"writer", CmdLFHitagWriter, IfPm3Hitag, "Act like a Hitag Writer" },
{"dump", CmdLFHitag2Dump, IfPm3Hitag, "Dump Hitag2 tag" },
{"cc", CmdLFHitagCheckChallenges, IfPm3Hitag, "Test all challenges" },
{ NULL, NULL, 0, NULL }
};
static int CmdHelp(const char *Cmd) {
(void)Cmd; // Cmd is not used so far
CmdsHelp(CommandTable);
return PM3_SUCCESS;
}
int CmdLFHitag(const char *Cmd) {
clearCommandBuffer();
return CmdsParse(CommandTable, Cmd);
}
int readHitagUid(void) {
return (CmdLFHitagReader("26") == PM3_SUCCESS);
}
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