PrintAndLog("Options: ");\r
PrintAndLog(" h This help");\r
PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate");\r
- PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NZ|BI|BIa> Set demodulation FSK / ASK / PSK / NZ / Biphase / Biphase A");\r
+ PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa> Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");\r
PrintAndLog(" i [1] Invert data signal, defaults to normal");\r
PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");\r
PrintAndLog("");\r
return 0;\r
}\r
int usage_t55xx_read(){\r
- PrintAndLog("Usage: lf t55xx read <block> <password>");\r
+ PrintAndLog("Usage: lf t55xx read <block> <password> <override_safety>");\r
PrintAndLog(" <block>, block number to read. Between 0-7");\r
PrintAndLog(" <password>, OPTIONAL password (8 hex characters)");\r
+ PrintAndLog(" <override_safety>, OPTIONAL override safety check = 1");\r
+ PrintAndLog(" ****WARNING****");\r
+ PrintAndLog(" Use of read with password on a tag not configured for a pwd");\r
+ PrintAndLog(" can damage the tag");\r
PrintAndLog("");\r
PrintAndLog("Examples:");\r
- PrintAndLog(" lf t55xx read 0 - read data from block 0");\r
- PrintAndLog(" lf t55xx read 0 feedbeef - read data from block 0 password feedbeef");\r
+ PrintAndLog(" lf t55xx read 0 - read data from block 0");\r
+ PrintAndLog(" lf t55xx read 0 feedbeef - read data from block 0 password feedbeef");\r
+ PrintAndLog(" lf t55xx read 0 feedbeef 1 - read data from block 0 password feedbeef safety check");\r
PrintAndLog("");\r
return 0;\r
}\r
int CmdT55xxSetConfig(const char *Cmd) {\r
\r
uint8_t offset = 0;\r
- bool errors = FALSE;\r
- uint8_t cmdp = 0;\r
char modulation[5] = {0x00};\r
char tmp = 0x00;\r
uint8_t bitRate = 0;\r
uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};\r
+ uint8_t cmdp = 0;\r
+ bool errors = FALSE;\r
while(param_getchar(Cmd, cmdp) != 0x00 && !errors)\r
{\r
tmp = param_getchar(Cmd, cmdp);\r
}\r
\r
int CmdT55xxReadBlock(const char *Cmd) {\r
- int block = -1;\r
- int password = 0xFFFFFFFF; //default to blank Block 7\r
-\r
- char cmdp = param_getchar(Cmd, 0);\r
- if (cmdp == 'h' || cmdp == 'H')\r
- return usage_t55xx_read();\r
-\r
- int res = sscanf(Cmd, "%d %x", &block, &password);\r
-\r
- if ( res < 1 || res > 2 )\r
- return usage_t55xx_read();\r
-\r
- \r
- if ((block < 0) | (block > 7)) {\r
+ uint8_t block = 255;\r
+ uint8_t wake = 0;\r
+ uint8_t usepwd = 0;\r
+ uint32_t password = 0xFFFFFFFF; //default to blank Block 7\r
+ uint8_t override = 0;\r
+ uint8_t cmdp = 0;\r
+ bool errors = false;\r
+ while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {\r
+ switch(param_getchar(Cmd, cmdp)) {\r
+ case 'h':\r
+ case 'H':\r
+ return usage_t55xx_read();\r
+ case 'b':\r
+ case 'B':\r
+ errors |= param_getdec(Cmd, cmdp+1, &block);\r
+ cmdp+=2;\r
+ break;\r
+ case 'o':\r
+ case 'O':\r
+ override = 1;\r
+ cmdp++;\r
+ break;\r
+ case 'p':\r
+ case 'P':\r
+ password = param_get32ex(Cmd, cmdp+1, 0, 10);\r
+ usepwd = 1;\r
+ cmdp+=2;\r
+ break;\r
+ case 'w':\r
+ case 'W':\r
+ wake = 1;\r
+ cmdp++;\r
+ break;\r
+ default:\r
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
+ errors = true;\r
+ break;\r
+ }\r
+ }\r
+ if (errors) return usage_t55xx_read();\r
+ if (wake && !usepwd) {\r
+ PrintAndLog("Wake command must use a pwd");\r
+ return 1;\r
+ }\r
+ if ((block > 7) && !wake) {\r
PrintAndLog("Block must be between 0 and 7");\r
return 1;\r
- } \r
+ }\r
\r
- UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, 0}};\r
- c.d.asBytes[0] = 0x0; \r
+ UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, password}};\r
\r
//Password mode\r
- if ( res == 2 ) {\r
- c.arg[2] = password;\r
- c.d.asBytes[0] = 0x1; \r
+ if ( usepwd || wake ) {\r
+ // try reading the config block and verify that PWD bit is set before doing this!\r
+ if ( wake || override ) {\r
+ c.arg[0] = (wake<<8) & usepwd;\r
+ if ( !wake && override )\r
+ PrintAndLog("Safety Check Overriden - proceeding despite risk");\r
+ } else {\r
+ AquireData( CONFIGURATION_BLOCK );\r
+ if ( !tryDetectModulation() ) {\r
+ PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");\r
+ return 1;\r
+ } else {\r
+ PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password..."); \r
+ }\r
+ }\r
}\r
\r
+ clearCommandBuffer();\r
SendCommand(&c);\r
if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {\r
PrintAndLog("command execution time out");\r
}\r
\r
uint8_t got[12000];\r
- GetFromBigBuf(got,sizeof(got),0);\r
+ GetFromBigBuf(got, sizeof(got), 0);\r
WaitForResponse(CMD_ACK,NULL);\r
- setGraphBuf(got, 12000);\r
- DemodBufferLen=0;\r
+ setGraphBuf(got, sizeof(got));\r
+ //DemodBufferLen=0;\r
if (!DecodeT55xxBlock()) return 3;\r
char blk[10]={0};\r
- sprintf(blk,"%d", block);\r
+ if ( wake ) {\r
+ sprintf(blk,"wake");\r
+ } else {\r
+ sprintf(blk,"%d", block);\r
+ }\r
printT55xxBlock(blk);\r
return 0;\r
}\r
DemodBufferLen = 0x00;\r
\r
//trim 1/2 a clock from beginning\r
- snprintf(cmdStr, sizeof(buf),"%d", bitRate[config.bitrate]/2 );\r
- CmdLtrim(cmdStr);\r
+ //snprintf(cmdStr, sizeof(buf),"%d", bitRate[config.bitrate]/2 );\r
+ //CmdLtrim(cmdStr);\r
switch( config.modulation ){\r
case DEMOD_FSK:\r
snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );\r
\r
// detect configuration?\r
bool tryDetectModulation(){\r
- char cmdStr[8] = {0};\r
+ //char cmdStr[8] = {0};\r
uint8_t hits = 0;\r
t55xx_conf_block_t tests[15];\r
int bitRate=0;\r
save_restoreGB(1);\r
if (GetFskClock("", FALSE, FALSE)){ \r
fskClocks(&fc1, &fc2, &clk, FALSE);\r
- sprintf(cmdStr,"%d", clk/2);\r
- CmdLtrim(cmdStr);\r
+ //sprintf(cmdStr,"%d", clk/2);\r
+ //CmdLtrim(cmdStr);\r
if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate)){\r
tests[hits].modulation = DEMOD_FSK;\r
if (fc1==8 && fc2 == 5)\r
} else {\r
clk = GetAskClock("", FALSE, FALSE);\r
if (clk>0) {\r
- sprintf(cmdStr,"%d", clk/2);\r
- CmdLtrim(cmdStr);\r
+ //sprintf(cmdStr,"%d", clk/2);\r
+ //CmdLtrim(cmdStr);\r
if ( ASKDemod("0 0 0", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate)) {\r
tests[hits].modulation = DEMOD_ASK;\r
tests[hits].bitrate = bitRate;\r
save_restoreGB(0);\r
clk = GetNrzClock("", FALSE, FALSE);\r
if (clk>0) {\r
- sprintf(cmdStr,"%d", clk/2);\r
- CmdLtrim(cmdStr);\r
+ //sprintf(cmdStr,"%d", clk/2);\r
+ //CmdLtrim(cmdStr);\r
if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate)) {\r
tests[hits].modulation = DEMOD_NRZ;\r
tests[hits].bitrate = bitRate;\r
save_restoreGB(0);\r
clk = GetPskClock("", FALSE, FALSE);\r
if (clk>0) {\r
- PrintAndLog("clk %d",clk);\r
- sprintf(cmdStr,"%d", clk/2);\r
- CmdLtrim(cmdStr); \r
+ //PrintAndLog("clk %d",clk);\r
+ //sprintf(cmdStr,"%d", clk/2);\r
+ //CmdLtrim(cmdStr); \r
if ( PSKDemod("0 0 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate)) {\r
tests[hits].modulation = DEMOD_PSK1;\r
tests[hits].bitrate = bitRate;\r
}\r
\r
UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};\r
+ UsbCommand resp;\r
c.d.asBytes[0] = 0x0; \r
\r
PrintAndLog("Writing to block: %d data : 0x%08X", block, data);\r
c.d.asBytes[0] = 0x1; \r
PrintAndLog("pwd : 0x%08X", password);\r
}\r
+ clearCommandBuffer();\r
SendCommand(&c);\r
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){\r
+ PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");\r
+ return -1;\r
+ }\r
return 0;\r
}\r
\r
// c.d.asBytes[0] = 0x1; \r
// }\r
\r
+ clearCommandBuffer();\r
SendCommand(&c);\r
if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {\r
PrintAndLog("command execution time out");\r
projects / proxmark3-svn / blobdiff