proxmark3/client/cmdlft55xx.c
2015-02-12 09:54:21 +01:00

583 lines
17 KiB
C

//-----------------------------------------------------------------------------
//
// 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 T55xx commands
//-----------------------------------------------------------------------------
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include "proxmark3.h"
#include "ui.h"
#include "graph.h"
#include "cmdmain.h"
#include "cmdparser.h"
#include "cmddata.h"
#include "cmdlf.h"
#include "cmdlft55xx.h"
#include "util.h"
#include "data.h"
#include "lfdemod.h"
#define LF_TRACE_BUFF_SIZE 20000 // 32 x 32 x 10 (32 bit times numofblock (7), times clock skip..)
#define LF_BITSSTREAM_LEN 1000 // more then 1000 bits shouldn't happend.. 8block * 4 bytes * 8bits =
int usage_t55xx_rd(){
PrintAndLog("Usage: lf t55xx rd <block> <password>");
PrintAndLog(" <block>, block number to read. Between 0-7");
PrintAndLog(" <password>, OPTIONAL password (8 hex characters)");
PrintAndLog("");
PrintAndLog(" sample: lf t55xx rd 0 = try reading data from block 0");
PrintAndLog(" : lf t55xx rd 0 feedbeef = try reading data from block 0 using password");
PrintAndLog("");
return 0;
}
int usage_t55xx_wr(){
PrintAndLog("Usage: lf t55xx wr <block> <data> [password]");
PrintAndLog(" <block>, block number to read. Between 0-7");
PrintAndLog(" <data>, 4 bytes of data to write (8 hex characters)");
PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex characters)");
PrintAndLog("");
PrintAndLog(" sample: lf t55xx wd 3 11223344 = try writing data 11223344 to block 3");
PrintAndLog(" : lf t55xx wd 3 11223344 feedbeef = try writing data 11223344 to block 3 using password feedbeef");
PrintAndLog("");
return 0;
}
int usage_t55xx_trace() {
PrintAndLog("Usage: lf t55xx trace [graph buffer data]");
PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");
PrintAndLog("");
PrintAndLog(" sample: lf t55xx trace");
PrintAndLog(" : lf t55xx trace 1");
PrintAndLog("");
return 0;
}
int usage_t55xx_info() {
PrintAndLog("Usage: lf t55xx info [graph buffer data]");
PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");
PrintAndLog("");
PrintAndLog(" sample: lf t55xx info");
PrintAndLog(" : lf t55xx info 1");
PrintAndLog("");
return 0;
}
int usage_t55xx_dump(){
PrintAndLog("Usage: lf t55xx dump <password>");
PrintAndLog(" <password>, OPTIONAL password 4bytes (8 hex characters)");
PrintAndLog("");
PrintAndLog(" sample: lf t55xx dump");
PrintAndLog(" : lf t55xx dump feedbeef");
PrintAndLog("");
return 0;
}
static int CmdHelp(const char *Cmd);
/*
FSK1 / FSK1a
size = fskdemod(dest, size, 32, 0, 8, 10); // fsk1 RF/32
size = fskdemod(dest, size, 32, 1, 8, 10); // fsk1a RF/32
FSK2 / FSK2a
size = fskdemod(dest, size, 32, 0, 10, 8); // fsk2 RF/32
size = fskdemod(dest, size, 32, 1, 10, 8); // fsk2a RF/32
size = fskdemod(dest, size, 50, 1, 10, 8); // fsk2a RF/50
size = fskdemod(dest, size, 64, 1, 10, 8); // FSK2a RF/64
*/
int CmdReadBlk(const char *Cmd)
{
int invert = 0;
int clk = 0;
int block = -1;
int password = 0xFFFFFFFF; //default to blank Block 7
int errCnt;
size_t bitlen;
int maxErr = 100;
//uint8_t askAmp = 0;
uint32_t blockData;
uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00};
char cmdp = param_getchar(Cmd, 0);
if (cmdp == 'h' || cmdp == 'H') {
usage_t55xx_rd();
return 0;
}
int res = sscanf(Cmd, "%d %x", &block, &password);
if ( res < 1 || res > 2 ){
usage_t55xx_rd();
return 1;
}
if ((block < 0) | (block > 7)) {
PrintAndLog("Block must be between 0 and 7");
return 1;
}
UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, 0}};
c.d.asBytes[0] = 0x0;
//Password mode
if ( res == 2 ) {
c.arg[2] = password;
c.d.asBytes[0] = 0x1;
}
SendCommand(&c);
if ( !WaitForResponseTimeout(CMD_ACK,NULL,1500) ) {
PrintAndLog("command execution time out");
return 2;
}
CmdSamples("12000");
bitlen = getFromGraphBuf(bits);
//errCnt = askrawdemod(bits, &bitlen, &clk, &invert, maxErr, askAmp);
errCnt = askmandemod(bits, &bitlen, &clk, &invert, maxErr);
//throw away static - allow 1 and -1 (in case of threshold command first)
if ( errCnt == -1 || bitlen < 16 ){
PrintAndLog("no data found");
if (g_debugMode)
PrintAndLog("errCnt: %d, bitlen: %d, clk: %d, invert: %d", errCnt, bitlen, clk, invert);
return 3;
}
if (g_debugMode)
PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d", clk, invert, bitlen);
//move bits back to DemodBuffer
setDemodBuf(bits, bitlen, 0);
printBitStream(bits,bitlen);
// bits has the manchester encoded data.
errCnt = manrawdecode(bits, &bitlen);
if ( errCnt == -1 || bitlen < 16 ){
PrintAndLog("no data found");
if (g_debugMode)
PrintAndLog("errCnt: %d, bitlen: %d, clk: %d, invert: %d", errCnt, bitlen, clk, invert);
return 4;
}
blockData = PackBits(1, 32, bits);
if ( block < 0)
PrintAndLog(" Decoded : 0x%08X %s", blockData, sprint_bin(bits+1,32) );
else
PrintAndLog(" Block %d : 0x%08X %s", block, blockData, sprint_bin(bits+1,32) );
return 0;
}
int CmdWriteBlk(const char *Cmd)
{
int block = 8; //default to invalid block
int data = 0xFFFFFFFF; //default to blank Block
int password = 0xFFFFFFFF; //default to blank Block 7
char cmdp = param_getchar(Cmd, 0);
if (cmdp == 'h' || cmdp == 'H') {
usage_t55xx_wr();
return 0;
}
int res = sscanf(Cmd, "%d %x %x",&block, &data, &password);
if ( res < 2 || res > 3) {
usage_t55xx_wr();
return 1;
}
if (block > 7) {
PrintAndLog("Block must be between 0 and 7");
return 1;
}
UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
c.d.asBytes[0] = 0x0;
if (res == 2) {
PrintAndLog("Writing block %d data %08X", block, data);
} else {
//Password mode
c.arg[2] = password;
c.d.asBytes[0] = 0x1;
PrintAndLog("Writing block %d data %08X password %08X", block, data, password);
}
SendCommand(&c);
return 0;
}
int CmdReadTrace(const char *Cmd)
{
int invert = 0;
int clk = 0;
int errCnt;
size_t bitlen;
int maxErr = 100;
uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00};
char cmdp = param_getchar(Cmd, 0);
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
usage_t55xx_trace();
return 0;
}
if ( strlen(Cmd)==0){
UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}};
SendCommand(&c);
WaitForResponse(CMD_ACK, NULL);
CmdSamples("12000");
}
bitlen = getFromGraphBuf(bits);
//errCnt = askrawdemod(bits, &bitlen, &clk, &invert, maxErr, askAmp);
errCnt = askmandemod(bits, &bitlen, &clk, &invert, maxErr);
//throw away static - allow 1 and -1 (in case of threshold command first)
if ( errCnt == -1 || bitlen < 16 ){
PrintAndLog("no data found");
if (g_debugMode)
PrintAndLog("errCnt: %d, bitlen: %d, clk: %d, invert: %d", errCnt, bitlen, clk, invert);
return 3;
}
if (g_debugMode)
PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d", clk, invert, bitlen);
//move bits back to DemodBuffer
setDemodBuf(bits, bitlen, 0);
// bits has the manchester encoded data.
errCnt = manrawdecode(bits, &bitlen);
if ( errCnt == -1 || bitlen < 16 ){
PrintAndLog("no data found");
if (g_debugMode)
PrintAndLog("errCnt: %d, bitlen: %d, clk: %d, invert: %d", errCnt, bitlen, clk, invert);
return 4;
}
RepaintGraphWindow();
uint8_t si = 5;
uint32_t bl0 = PackBits(si, 32, bits);
uint32_t bl1 = PackBits(si+32, 32, bits);
uint32_t acl = PackBits(si, 8, bits); si += 8;
uint32_t mfc = PackBits(si, 8, bits); si += 8;
uint32_t cid = PackBits(si, 5, bits); si += 5;
uint32_t icr = PackBits(si, 3, bits); si += 3;
uint32_t year = PackBits(si, 4, bits); si += 4;
uint32_t quarter = PackBits(si, 2, bits); si += 2;
uint32_t lotid = PackBits(si, 12, bits); si += 12;
uint32_t wafer = PackBits(si, 5, bits); si += 5;
uint32_t dw = PackBits(si, 15, bits);
PrintAndLog("");
PrintAndLog("-- T55xx Trace Information ----------------------------------");
PrintAndLog("-------------------------------------------------------------");
PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);
PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d)", mfc, mfc);
PrintAndLog(" CID : 0x%02X (%d)", cid, cid);
PrintAndLog(" ICR IC Revision : %d",icr );
PrintAndLog(" Manufactured");
PrintAndLog(" Year/Quarter : %d/%d",2000+year, quarter );
PrintAndLog(" Lot ID : %d", lotid );
PrintAndLog(" Wafer number : %d", wafer);
PrintAndLog(" Die Number : %d", dw);
PrintAndLog("-------------------------------------------------------------");
PrintAndLog(" Raw Data - Page 1");
PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(bits+5,32) );
PrintAndLog(" Block 0 : 0x%08X %s", bl1, sprint_bin(bits+37,32) );
PrintAndLog("-------------------------------------------------------------");
/*
TRACE - BLOCK O
Bits Definition HEX
1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
22-24 ICR IC revision
25-28 YEAR (BCD encoded) 9 (= 2009)
29-30 QUARTER 1,2,3,4
31-32 LOT ID
TRACE - BLOCK 1
1-12 LOT ID
13-17 Wafer number
18-32 DW, die number sequential
*/
return 0;
}
int CmdInfo(const char *Cmd){
/*
Page 0 Block 0 Configuration data.
Normal mode
Extended mode
*/
char cmdp = param_getchar(Cmd, 0);
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
usage_t55xx_info();
return 0;
} else {
CmdReadBlk("0");
}
uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};
manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN);
uint8_t si = 5;
uint32_t bl0 = PackBits(si, 32, bits);
uint32_t safer = PackBits(si, 4, bits); si += 4;
uint32_t resv = PackBits(si, 7, bits); si += 7;
uint32_t dbr = PackBits(si, 3, bits); si += 3;
uint32_t extend = PackBits(si, 1, bits); si += 1;
uint32_t datamodulation = PackBits(si, 5, bits); si += 5;
uint32_t pskcf = PackBits(si, 2, bits); si += 2;
uint32_t aor = PackBits(si, 1, bits); si += 1;
uint32_t otp = PackBits(si, 1, bits); si += 1;
uint32_t maxblk = PackBits(si, 3, bits); si += 3;
uint32_t pwd = PackBits(si, 1, bits); si += 1;
uint32_t sst = PackBits(si, 1, bits); si += 1;
uint32_t fw = PackBits(si, 1, bits); si += 1;
uint32_t inv = PackBits(si, 1, bits); si += 1;
uint32_t por = PackBits(si, 1, bits); si += 1;
PrintAndLog("");
PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
PrintAndLog("-------------------------------------------------------------");
PrintAndLog(" Safer key : %s", GetSaferStr(safer));
PrintAndLog(" reserved : %d", resv);
PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
PrintAndLog(" Modulation : %s", GetModulationStr(datamodulation) );
PrintAndLog(" PSK clock freq : %d", pskcf);
PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
PrintAndLog(" Max block : %d", maxblk);
PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
PrintAndLog("-------------------------------------------------------------");
PrintAndLog(" Raw Data - Page 0");
PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(bits+5,32) );
PrintAndLog("-------------------------------------------------------------");
return 0;
}
int CmdDump(const char *Cmd){
char s[20] = {0x00};
uint8_t pwd[4] = {0x00};
char cmdp = param_getchar(Cmd, 0);
if ( cmdp == 'h' || cmdp == 'H') {
usage_t55xx_dump();
return 0;
}
bool hasPwd = ( strlen(Cmd) > 0);
if ( hasPwd ){
if (param_gethex(Cmd, 0, pwd, 8)) {
PrintAndLog("password must include 8 HEX symbols");
return 1;
}
}
for ( int i = 0; i <8; ++i){
memset(s,0,sizeof(s));
if ( hasPwd ) {
sprintf(s,"%d %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]);
} else {
sprintf(s,"%d", i);
}
CmdReadBlk(s);
}
return 0;
}
int CmdIceFsk(const char *Cmd){
if (!HasGraphData()) return 0;
iceFsk3(GraphBuffer, LF_TRACE_BUFF_SIZE);
RepaintGraphWindow();
return 0;
}
int CmdIceManchester(const char *Cmd){
ManchesterDemod( -1);
return 0;
}
int ManchesterDemod(int blockNum){
if (!HasGraphData()) return 0;
uint8_t sizebyte = 32;
// the value 5 was selected during empirical studies of the decoded data. Some signal noise to skip.
uint8_t offset = 5;
uint32_t blockData;
uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};
uint8_t * bitstream = bits;
manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN);
blockData = PackBits(offset, sizebyte, bits);
if ( blockNum < 0)
PrintAndLog(" Decoded : 0x%08X %s", blockData, sprint_bin(bitstream+offset,sizebyte) );
else
PrintAndLog(" Block %d : 0x%08X %s", blockNum, blockData, sprint_bin(bitstream+offset,sizebyte) );
return 0;
}
char * GetBitRateStr(uint32_t id){
static char buf[40];
char *retStr = buf;
switch (id){
case 0:
sprintf(retStr,"%d - RF/8",id);
break;
case 1:
sprintf(retStr,"%d - RF/16",id);
break;
case 2:
sprintf(retStr,"%d - RF/32",id);
break;
case 3:
sprintf(retStr,"%d - RF/40",id);
break;
case 4:
sprintf(retStr,"%d - RF/50",id);
break;
case 5:
sprintf(retStr,"%d - RF/64",id);
break;
case 6:
sprintf(retStr,"%d - RF/100",id);
break;
case 7:
sprintf(retStr,"%d - RF/128",id);
break;
default:
sprintf(retStr,"%d - (Unknown)",id);
break;
}
return buf;
}
char * GetSaferStr(uint32_t id){
static char buf[40];
char *retStr = buf;
sprintf(retStr,"%d",id);
if (id == 6) {
sprintf(retStr,"%d - pasdwd",id);
}
if (id == 9 ){
sprintf(retStr,"%d - testmode ",id);
}
return buf;
}
char * GetModulationStr( uint32_t id){
static char buf[40];
char *retStr = buf;
switch (id){
case 0:
sprintf(retStr,"%d - DIRECT (ASK/NRZ)",id);
break;
case 1:
sprintf(retStr,"%d - PSK 1 phase change when input changes",id);
break;
case 2:
sprintf(retStr,"%d - PSK 2 phase change on bitclk if input high",id);
break;
case 3:
sprintf(retStr,"%d - PSK 3 phase change on rising edge of input",id);
break;
case 4:
sprintf(retStr,"%d - FSK 1 RF/8 RF/5",id);
break;
case 5:
sprintf(retStr,"%d - FSK 2 RF/8 RF/10",id);
break;
case 6:
sprintf(retStr,"%d - FSK 1a RF/5 RF/8",id);
break;
case 7:
sprintf(retStr,"%d - FSK 2a RF/10 RF/8",id);
break;
case 8:
sprintf(retStr,"%d - Manschester",id);
break;
case 16:
sprintf(retStr,"%d - Biphase",id);
break;
case 17:
sprintf(retStr,"%d - Reserved",id);
break;
default:
sprintf(retStr,"0x%02X (Unknown)",id);
break;
}
return buf;
}
uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
int i = start;
int j = len-1;
if (len > 32) {
return 0;
}
uint32_t tmp = 0;
for (; j >= 0; --j, ++i){
tmp |= bits[i] << j;
}
return tmp;
}
static command_t CommandTable[] =
{
{"help", CmdHelp, 1, "This help"},
{"rd", CmdReadBlk, 0, "<block> [password] -- Read T55xx block data (page 0) [optional password]"},
{"wr", CmdWriteBlk, 0, "<block> <data> [password] -- Write T55xx block data (page 0) [optional password]"},
{"trace", CmdReadTrace, 0, "[1] Read T55xx traceability data (page 1/ blk 0-1)"},
{"info", CmdInfo, 0, "[1] Read T55xx configuration data (page 0/ blk 0)"},
{"dump", CmdDump, 0, "[password] Dump T55xx card block 0-7. [optional password]"},
{"man", CmdIceManchester, 0, "Manchester demod (with SST)"},
{NULL, NULL, 0, NULL}
};
int CmdLFT55XX(const char *Cmd)
{
CmdsParse(CommandTable, Cmd);
return 0;
}
int CmdHelp(const char *Cmd)
{
CmdsHelp(CommandTable);
return 0;
}