X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/411105e03629542fad02902e18248288812a6f87..b87f99f4bbca6ed29ebeaa78b0165e70941e934d:/client/cmdlft55xx.c diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index d4b72b32..3b56881b 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -28,6 +28,7 @@ #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}; @@ -37,7 +38,7 @@ int usage_t55xx_config(){ 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 / NZ / Biphase / Biphase A"); + PrintAndLog(" d Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A"); PrintAndLog(" i [1] Invert data signal, defaults to normal"); PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream"); PrintAndLog(""); @@ -61,13 +62,13 @@ int usage_t55xx_read(){ } int usage_t55xx_write(){ PrintAndLog("Usage: lf t55xx wr [password]"); - PrintAndLog(" , block number to read. Between 0-7"); + 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(""); PrintAndLog("Examples:"); - PrintAndLog(" lf t55xx wd 3 11223344 - write 11223344 to block 3"); - PrintAndLog(" lf t55xx wd 3 11223344 feedbeef - write 11223344 to block 3 password feedbeef"); + 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(""); return 0; } @@ -219,14 +220,11 @@ int CmdT55xxReadBlock(const char *Cmd) { int password = 0xFFFFFFFF; //default to blank Block 7 char cmdp = param_getchar(Cmd, 0); - if (cmdp == 'h' || cmdp == 'H') - return usage_t55xx_read(); + if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_read(); int res = sscanf(Cmd, "%d %x", &block, &password); - if ( res < 1 || res > 2 ) - return usage_t55xx_read(); - + if ( res < 1 || res > 2 ) return usage_t55xx_read(); if ((block < 0) | (block > 7)) { PrintAndLog("Block must be between 0 and 7"); @@ -238,10 +236,23 @@ int CmdT55xxReadBlock(const char *Cmd) { //Password mode if ( res == 2 ) { - c.arg[2] = password; - c.d.asBytes[0] = 0x1; + + // try reading the config block and verify that PWD bit is set before doing this! + AquireData( CONFIGURATION_BLOCK ); + if ( !tryDetectModulation() ) { + PrintAndLog("Could not detect is PWD bit is set in config block. Exits."); + return 1; + } + //if PWD bit is set, allow to execute read command with password. + if (( config.block0 & T55x7_PWD ) == 1) { + c.arg[2] = password; + c.d.asBytes[0] = 0x1; + } else { + PrintAndLog("PWD bit is NOT set in config block. Reading without password..."); + } } + clearCommandBuffer(); SendCommand(&c); if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) { PrintAndLog("command execution time out"); @@ -251,8 +262,8 @@ 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}; sprintf(blk,"%d", block); @@ -269,8 +280,8 @@ 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 ); @@ -332,7 +343,7 @@ 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; @@ -340,8 +351,8 @@ 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) @@ -368,8 +379,8 @@ 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; @@ -403,8 +414,8 @@ 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; @@ -426,9 +437,9 @@ 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; @@ -670,6 +681,7 @@ int CmdT55xxWriteBlock(const char *Cmd) } 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); @@ -680,7 +692,12 @@ int CmdT55xxWriteBlock(const char *Cmd) c.d.asBytes[0] = 0x1; PrintAndLog("pwd : 0x%08X", password); } + clearCommandBuffer(); SendCommand(&c); + if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){ + PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)"); + return -1; + } return 0; } @@ -878,6 +895,7 @@ int AquireData( uint8_t block ){ // c.d.asBytes[0] = 0x1; // } + clearCommandBuffer(); SendCommand(&c); if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) { PrintAndLog("command execution time out"); @@ -1050,6 +1068,13 @@ char * GetSelectedModulationStr( uint8_t id){ return buf; } +void t55x7_create_config_block( int tagtype ){ + //switch? + + +} + +/* uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){ int i = start; @@ -1063,7 +1088,7 @@ uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){ return tmp; } - +*/ static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"},