X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/21a615cb3bd9142902017135b33be42248f36a33..8e99ec25edb501c00d1d0a9fc57709ff88f56495:/client/cmdlft55xx.c diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index 2297d249..efa6c22d 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -121,12 +121,12 @@ static int CmdHelp(const char *Cmd); int CmdT55xxSetConfig(const char *Cmd) { uint8_t offset = 0; - bool errors = FALSE; - uint8_t cmdp = 0; char modulation[5] = {0x00}; char tmp = 0x00; uint8_t bitRate = 0; uint8_t rates[9] = {8,16,32,40,50,64,100,128,0}; + uint8_t cmdp = 0; + bool errors = FALSE; while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { tmp = param_getchar(Cmd, cmdp); @@ -220,39 +220,72 @@ int CmdT55xxSetConfig(const char *Cmd) { } int CmdT55xxReadBlock(const char *Cmd) { - int block = -1; - int password = 0xFFFFFFFF; //default to blank Block 7 - int override = 0; - char cmdp = param_getchar(Cmd, 0); - if (cmdp == 'h' || cmdp == 'H') - return usage_t55xx_read(); - - int res = sscanf(Cmd, "%d %x %d", &block, &password, &override); - - if ( res < 1 || res > 3 ) - return usage_t55xx_read(); - - if ((block < 0) || (block > 7)) { + 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(); + 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 > 1 ) { + if ( usepwd || wake ) { // try reading the config block and verify that PWD bit is set before doing this! - AquireData( CONFIGURATION_BLOCK ); - if ( !tryDetectModulation() && !override) { - PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits."); - return 1; - } else if (override) { - PrintAndLog("Safety Check Overriden - proceeding despite risk"); - c.arg[2] = password; - c.d.asBytes[0] = 0x1; + if ( wake || override ) { + c.arg[0] = (wake<<8) & usepwd; + if ( !wake && override ) + PrintAndLog("Safety Check Overriden - proceeding despite risk"); } else { - PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password..."); + 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..."); + } } } @@ -270,7 +303,11 @@ int CmdT55xxReadBlock(const char *Cmd) { //DemodBufferLen=0; if (!DecodeT55xxBlock()) return 3; char blk[10]={0}; - sprintf(blk,"%d", block); + if ( wake ) { + sprintf(blk,"wake"); + } else { + sprintf(blk,"%d", block); + } printT55xxBlock(blk); return 0; }