X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/e98572a1e2dde603f31cc06f330c6abd295139de..f82894ba6918823a64f2fc3da1b83cfdb9c19ceb:/client/cmdlft55xx.c diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index 3611cd4f..28956fdc 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -28,13 +28,14 @@ #define CONFIGURATION_BLOCK 0x00 #define TRACE_BLOCK 0x01 +#define T55x7_PWD 0x00000010 // Default configuration t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00}; int usage_t55xx_config(){ PrintAndLog("Usage: lf t55xx config [d ] [i 1] [o ]"); - PrintAndLog("Options: "); + PrintAndLog("Options:"); PrintAndLog(" h This help"); PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate"); PrintAndLog(" d Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A"); @@ -49,30 +50,39 @@ int usage_t55xx_config(){ return 0; } int usage_t55xx_read(){ - PrintAndLog("Usage: lf t55xx read "); - PrintAndLog(" , block number to read. Between 0-7"); - PrintAndLog(" , OPTIONAL password (8 hex characters)"); + PrintAndLog("Usage: lf t55xx read b p "); + PrintAndLog("Options:"); + PrintAndLog(" b , block number to read. Between 0-7"); + PrintAndLog(" p , OPTIONAL password 4bytes (8 hex symbols)"); + PrintAndLog(" o, OPTIONAL override safety check"); + PrintAndLog(" w, OPTIONAL wakeup"); + PrintAndLog(" ****WARNING****"); + PrintAndLog(" Use of read with password on a tag not configured for a pwd"); + PrintAndLog(" can damage the tag"); PrintAndLog(""); PrintAndLog("Examples:"); - PrintAndLog(" lf t55xx read 0 - read data from block 0"); - PrintAndLog(" lf t55xx read 0 feedbeef - read data from block 0 password feedbeef"); + PrintAndLog(" lf t55xx read b 0 - read data from block 0"); + PrintAndLog(" lf t55xx read b 0 p feedbeef - read data from block 0 password feedbeef"); + PrintAndLog(" lf t55xx read b 0 p feedbeef o - read data from block 0 password feedbeef safety check"); PrintAndLog(""); return 0; } int usage_t55xx_write(){ - PrintAndLog("Usage: lf t55xx wr [password]"); + PrintAndLog("Usage: lf t55xx write [password]"); + PrintAndLog("Options:"); PrintAndLog(" , block number to write. Between 0-7"); - PrintAndLog(" , 4 bytes of data to write (8 hex characters)"); - PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex characters)"); + PrintAndLog(" , 4 bytes of data to write (8 hex symbols)"); + PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex symbols)"); PrintAndLog(""); PrintAndLog("Examples:"); - PrintAndLog(" lf t55xx wr 3 11223344 - write 11223344 to block 3"); - PrintAndLog(" lf t55xx wr 3 11223344 feedbeef - write 11223344 to block 3 password feedbeef"); + PrintAndLog(" lf t55xx write 3 11223344 - write 11223344 to block 3"); + PrintAndLog(" lf t55xx write 3 11223344 feedbeef - write 11223344 to block 3 password feedbeef"); PrintAndLog(""); return 0; } int usage_t55xx_trace() { PrintAndLog("Usage: lf t55xx trace [1]"); + PrintAndLog("Options:"); PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag."); PrintAndLog(""); PrintAndLog("Examples:"); @@ -83,6 +93,7 @@ int usage_t55xx_trace() { } int usage_t55xx_info() { PrintAndLog("Usage: lf t55xx info [1]"); + PrintAndLog("Options:"); PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag."); PrintAndLog(""); PrintAndLog("Examples:"); @@ -93,6 +104,7 @@ int usage_t55xx_info() { } int usage_t55xx_dump(){ PrintAndLog("Usage: lf t55xx dump "); + PrintAndLog("Options:"); PrintAndLog(" , OPTIONAL password 4bytes (8 hex symbols)"); PrintAndLog(""); PrintAndLog("Examples:"); @@ -102,7 +114,9 @@ int usage_t55xx_dump(){ return 0; } int usage_t55xx_detect(){ - PrintAndLog("Usage: lf t55xx detect"); + PrintAndLog("Usage: lf t55xx detect [1]"); + PrintAndLog("Options:"); + PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag."); PrintAndLog(""); PrintAndLog("Examples:"); PrintAndLog(" lf t55xx detect"); @@ -110,6 +124,17 @@ int usage_t55xx_detect(){ PrintAndLog(""); return 0; } +int usage_t55xx_wakup(){ + PrintAndLog("Usage: lf t55xx wakeup [h] p "); + PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards."); + PrintAndLog("Options:"); + PrintAndLog(" h - this help"); + PrintAndLog(" p - password 4bytes (8 hex symbols)"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password"); + return 0; +} static int CmdHelp(const char *Cmd); @@ -215,31 +240,73 @@ int CmdT55xxSetConfig(const char *Cmd) { } int CmdT55xxReadBlock(const char *Cmd) { - int block = -1; - int password = 0xFFFFFFFF; //default to blank Block 7 - - char cmdp = param_getchar(Cmd, 0); - if (cmdp == 'h' || cmdp == 'H') - return usage_t55xx_read(); - - int res = sscanf(Cmd, "%d %x", &block, &password); - - if ( res < 1 || res > 2 ) + uint8_t block = 255; + uint8_t wake = 0; + uint8_t usepwd = 0; + uint32_t password = 0xFFFFFFFF; //default to blank Block 7 + uint8_t override = 0; + uint8_t cmdp = 0; + bool errors = false; + while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { + switch(param_getchar(Cmd, cmdp)) { + case 'h': + case 'H': return usage_t55xx_read(); - - - if ((block < 0) | (block > 7)) { + case 'b': + case 'B': + errors |= param_getdec(Cmd, cmdp+1, &block); + cmdp+=2; + break; + case 'o': + case 'O': + override = 1; + cmdp++; + break; + case 'p': + case 'P': + password = param_get32ex(Cmd, cmdp+1, 0, 10); + usepwd = 1; + cmdp+=2; + break; + case 'w': + case 'W': + wake = 1; + cmdp++; + break; + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = true; + break; + } + } + if (errors) return usage_t55xx_read(); + if (wake && !usepwd) { + PrintAndLog("Wake command must use a pwd"); + return 1; + } + if ((block > 7) && !wake) { PrintAndLog("Block must be between 0 and 7"); return 1; } - UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, 0}}; - c.d.asBytes[0] = 0x0; + UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, password}}; //Password mode - if ( res == 2 ) { - c.arg[2] = password; - c.d.asBytes[0] = 0x1; + if ( usepwd || wake ) { + // try reading the config block and verify that PWD bit is set before doing this! + if ( wake || override ) { + c.arg[0] = (wake<<8) & usepwd; + if ( !wake && override ) + PrintAndLog("Safety Check Overriden - proceeding despite risk"); + } else { + AquireData( CONFIGURATION_BLOCK ); + if ( !tryDetectModulation() ) { + PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits."); + return 1; + } else { + PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password..."); + } + } } clearCommandBuffer(); @@ -252,11 +319,15 @@ int CmdT55xxReadBlock(const char *Cmd) { uint8_t got[12000]; GetFromBigBuf(got,sizeof(got),0); WaitForResponse(CMD_ACK,NULL); - setGraphBuf(got, 12000); - DemodBufferLen=0; + setGraphBuf(got, sizeof(got)); + //DemodBufferLen=0; if (!DecodeT55xxBlock()) return 3; char blk[10]={0}; + if ( wake ) { + sprintf(blk,"wake"); + } else { sprintf(blk,"%d", block); + } printT55xxBlock(blk); return 0; } @@ -270,8 +341,8 @@ bool DecodeT55xxBlock(){ DemodBufferLen = 0x00; //trim 1/2 a clock from beginning - snprintf(cmdStr, sizeof(buf),"%d", bitRate[config.bitrate]/2 ); - CmdLtrim(cmdStr); + //snprintf(cmdStr, sizeof(buf),"%d", bitRate[config.bitrate]/2 ); + //CmdLtrim(cmdStr); switch( config.modulation ){ case DEMOD_FSK: snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted ); @@ -333,7 +404,7 @@ int CmdT55xxDetect(const char *Cmd){ // detect configuration? bool tryDetectModulation(){ - char cmdStr[8] = {0}; + //char cmdStr[8] = {0}; uint8_t hits = 0; t55xx_conf_block_t tests[15]; int bitRate=0; @@ -341,8 +412,8 @@ bool tryDetectModulation(){ save_restoreGB(1); if (GetFskClock("", FALSE, FALSE)){ fskClocks(&fc1, &fc2, &clk, FALSE); - sprintf(cmdStr,"%d", clk/2); - CmdLtrim(cmdStr); + //sprintf(cmdStr,"%d", clk/2); + //CmdLtrim(cmdStr); if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate)){ tests[hits].modulation = DEMOD_FSK; if (fc1==8 && fc2 == 5) @@ -368,10 +439,9 @@ bool tryDetectModulation(){ } } else { clk = GetAskClock("", FALSE, FALSE); - if (clk>0) { - sprintf(cmdStr,"%d", clk/2); - CmdLtrim(cmdStr); + //sprintf(cmdStr,"%d", clk/2); + //CmdLtrim(cmdStr); if ( ASKDemod("0 0 0", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate)) { tests[hits].modulation = DEMOD_ASK; tests[hits].bitrate = bitRate; @@ -405,8 +475,8 @@ bool tryDetectModulation(){ save_restoreGB(0); clk = GetNrzClock("", FALSE, FALSE); if (clk>0) { - sprintf(cmdStr,"%d", clk/2); - CmdLtrim(cmdStr); + //sprintf(cmdStr,"%d", clk/2); + //CmdLtrim(cmdStr); if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate)) { tests[hits].modulation = DEMOD_NRZ; tests[hits].bitrate = bitRate; @@ -428,9 +498,9 @@ bool tryDetectModulation(){ save_restoreGB(0); clk = GetPskClock("", FALSE, FALSE); if (clk>0) { - PrintAndLog("clk %d",clk); - sprintf(cmdStr,"%d", clk/2); - CmdLtrim(cmdStr); + //PrintAndLog("clk %d",clk); + //sprintf(cmdStr,"%d", clk/2); + //CmdLtrim(cmdStr); if ( PSKDemod("0 0 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate)) { tests[hits].modulation = DEMOD_PSK1; tests[hits].bitrate = bitRate; @@ -668,11 +738,11 @@ int CmdT55xxWriteBlock(const char *Cmd) if (block > 7) { PrintAndLog("Block number must be between 0 and 7"); - return 2; + return 1; } - UsbCommand resp; UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}}; + UsbCommand resp; c.d.asBytes[0] = 0x0; PrintAndLog("Writing to block: %d data : 0x%08X", block, data); @@ -1065,6 +1135,36 @@ void t55x7_create_config_block( int tagtype ){ } +int CmdT55xxWakeUp(const char *Cmd) { + uint32_t password = 0xFFFFFFFF; //default to blank Block 7 + uint8_t cmdp = 0; + bool errors = false; + while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { + switch(param_getchar(Cmd, cmdp)) { + case 'h': + case 'H': + return usage_t55xx_wakup(); + case 'p': + case 'P': + password = param_get32ex(Cmd, cmdp+1, 0, 10); + cmdp+=2; + break; + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = true; + break; + } + } + if (errors) return usage_t55xx_wakup(); + + UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}}; + + clearCommandBuffer(); + SendCommand(&c); + PrintAndLog("Wake up command sent. Try read now"); + return 0; +} + /* uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){ @@ -1091,6 +1191,8 @@ static command_t CommandTable[] = {"info", CmdT55xxInfo, 0, "[1] Show T55xx configuration data (page 0/ blk 0)"}, {"dump", CmdT55xxDump, 0, "[password] Dump T55xx card block 0-7. [optional password]"}, {"special", special, 0, "Show block changes with 64 different offsets"}, + {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"}, + {NULL, NULL, 0, NULL} };