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add: "lf t55xx info" option to use data from Graphbuffer.

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add:  "lf t55xx trace"  option to use data from Graphbuffer.
This commit is contained in:
iceman1001 2014-10-16 22:25:38 +02:00
parent 7bd30f12ac
commit fbceacc5b8
3 changed files with 71 additions and 41 deletions
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96
client/cmdlft55xx.c
View file

@ -60,15 +60,7 @@ int CmdReadBlk(const char *Cmd)
GraphBuffer[j] = ((int)data[j]) ;
}
GraphTraceLen = LF_TRACE_BUFF_SIZE;
uint8_t bits[1000] = {0x00};
uint8_t * bitstream = bits;
manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream);
uint32_t bl0 = PackBits(5, 32, bitstream);
PrintAndLog(" Block %d : 0x%08X %s", Block, bl0, sprint_bin(bitstream+5,32) );
CmdIceManchester(Cmd);
RepaintGraphWindow();
return 0;
}
@ -106,13 +98,7 @@ int CmdReadBlkPWD(const char *Cmd)
}
GraphTraceLen = LF_TRACE_BUFF_SIZE;
uint8_t bits[1000] = {0x00};
uint8_t * bitstream = bits;
manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream);
uint32_t bl0 = PackBits(5, 32, bitstream);
PrintAndLog(" Block %d : 0x%08X %s", Block, bl0, sprint_bin(bitstream+5,32) );
CmdIceManchester(Cmd);
RepaintGraphWindow();
return 0;
@ -169,20 +155,32 @@ int CmdWriteBlkPWD(const char *Cmd)
int CmdReadTrace(const char *Cmd)
{
UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}};
SendCommand(&c);
WaitForResponse(CMD_ACK, NULL);
char cmdp = param_getchar(Cmd, 0);
uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};
GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset..
WaitForResponseTimeout(CMD_ACK,NULL, 1500);
for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {
GraphBuffer[j] = ((int)data[j]);
//GraphBuffer[j] = ((int)data[j]) - 128;
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
PrintAndLog("Usage: lf t55xx trace [use data from Graphbuffer]");
PrintAndLog(" [use data from Graphbuffer], if not set, try reading data from tag.");
PrintAndLog("");
PrintAndLog(" sample: lf t55xx trace");
PrintAndLog(" sample: lf t55xx trace 1");
return 0;
}
if ( strlen(Cmd)==0){
UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}};
SendCommand(&c);
WaitForResponse(CMD_ACK, NULL);
uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};
GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset..
WaitForResponseTimeout(CMD_ACK,NULL, 1500);
for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {
GraphBuffer[j] = ((int)data[j]);
}
GraphTraceLen = LF_TRACE_BUFF_SIZE;
}
GraphTraceLen = LF_TRACE_BUFF_SIZE;
uint8_t bits[1000] = {0x00};
uint8_t * bitstream = bits;
@ -247,9 +245,22 @@ int CmdInfo(const char *Cmd){
Normal mode
Extended mode
*/
// läs block 0 - data finns i graphbuff
CmdReadBlk("0");
char cmdp = param_getchar(Cmd, 0);
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
PrintAndLog("Usage: lf t55xx info [use data from Graphbuffer]");
PrintAndLog(" [use data from Graphbuffer], if not set, try reading data from tag.");
PrintAndLog("");
PrintAndLog(" sample: lf t55xx info");
PrintAndLog(" sample: lf t55xx info 1");
return 0;
}
if ( strlen(Cmd)==0){
CmdReadBlk("0");
}
uint8_t bits[1000] = {0x00};
uint8_t * bitstream = bits;
@ -333,13 +344,27 @@ int CmdDump(const char *Cmd){
}
int CmdIceFsk(const char *Cmd){
//uint8_t bits[1000] = {0x00};
//uint8_t * bitstream = bits;
iceFsk3(GraphBuffer, LF_TRACE_BUFF_SIZE);
RepaintGraphWindow();
return 0;
}
int CmdIceManchester(const char *Cmd){
int blockNum = -1;
uint32_t blockData;
uint8_t bits[1000] = {0x00};
uint8_t * bitstream = bits;
manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream);
blockData = PackBits(5, 32, bitstream);
sscanf(Cmd, "%d", &blockNum);
if ( blockNum > -1){
PrintAndLog(" Block %d : 0x%08X %s", blockNum, blockData, sprint_bin(bitstream+5,32) );
}else{
PrintAndLog(" Decoded : 0x%08X %s", blockData, sprint_bin(bitstream+5,32) );
}
return 0;
}
char * GetBitRateStr(uint32_t id){
static char buf[40];
@ -455,10 +480,11 @@ static command_t CommandTable[] =
{"rdPWD", CmdReadBlkPWD, 0, "<block> <password> -- Read T55xx block data with password mode"},
{"wr", CmdWriteBlk, 0, "<data> <block> -- Write T55xx block data (page 0)"},
{"wrPWD", CmdWriteBlkPWD, 0, "<data> <block> <password> -- Write T55xx block data with password"},
{"trace", CmdReadTrace, 0, "Read T55xx traceability data (page 1 / blk 0-1)"},
{"info", CmdInfo, 0, "Read T55xx configuration data (page0 /blk 0)"},
{"trace", CmdReadTrace, 0, "[1] Read T55xx traceability data (page 1 / blk 0-1) "},
{"info", CmdInfo, 0, "[1] Read T55xx configuration data (page0 /blk 0)"},
{"dump", CmdDump, 0, "[password] Dump T55xx card block 0-7. optional with password"},
{"fsk", CmdIceFsk, 0, "FSK demod"},
{"man", CmdIceManchester, 0, "Manchester demod"},
{NULL, NULL, 0, NULL}
};

1
client/cmdlft55xx.h
View file

@ -19,6 +19,7 @@ int CmdWriteBLkPWD(const char *Cmd);
int CmdReadTrace(const char *Cmd);
int CmdInfo(const char *Cmd);
int CmdIceFsk(const char *Cmd);
int CmdIceManchester(const char *Cmd);
char * GetBitRateStr(uint32_t id);
char * GetSaferStr(uint32_t id);
char * GetModulationStr( uint32_t id);

15
client/ui.c
View file

@ -116,17 +116,14 @@ int manchester_decode( int * data, const size_t len, uint8_t * dataout){
clock = GetT55x7Clock( data, len, high );
startindex = DetectFirstTransition(data, len, high);
//PrintAndLog(" Clock : %d", clock);
//PrintAndLog(" startindex : %d", startindex);
// PrintAndLog(" Clock : %d", clock);
// PrintAndLog(" startindex : %d", startindex);
if (high != 1)
bitlength = ManchesterConvertFrom255(data, len, bitStream, high, low, clock, startindex);
else
bitlength= ManchesterConvertFrom1(data, len, bitStream, clock, startindex);
//if ( bitlength > 0 )
// PrintPaddedManchester(bitStream, bitlength, clock);
memcpy(dataout, bitStream, bitlength);
return bitlength;
}
@ -558,8 +555,14 @@ void iceFsk3(int * data, const size_t len){
int stopOne = j-1;
int fieldlen = stopOne-startOne;
printf("FIELD Length: %d \n", fieldlen);
fieldlen = (fieldlen == 39 || fieldlen == 41)? 40 : fieldlen;
fieldlen = (fieldlen == 59 || fieldlen == 51)? 50 : fieldlen;
if ( fieldlen != 40 && fieldlen != 50){
printf("Detected field Length: %d \n", fieldlen);
printf("Can only handle len 40 or 50. Aborting...");
return;
}
// FSK sequence start == 000111
int startPos = 0;