X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/4a843840e32dfa5c63c9e96fb858ecc156d04757..bb522918374599054615270d45b1baeaef6f3d66:/client/cmdlft55xx.c?ds=sidebyside diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index 6ddd84b1..f30bc5ce 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -42,13 +42,13 @@ void Set_t55xx_Config(t55xx_conf_block_t conf){ int usage_t55xx_config(){ PrintAndLog("Usage: lf t55xx config [d ] [i 1] [o ] [Q5]"); 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"); - PrintAndLog(" i [1] Invert data signal, defaults to normal"); - PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream"); - PrintAndLog(" Q5 Set as Q5(T5555) chip instead of T55x7"); - PrintAndLog(" ST Set Sequence Terminator on"); + 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"); + PrintAndLog(" i [1] - Invert data signal, defaults to normal"); + PrintAndLog(" o [offset] - Set offset, where data should start decode in bitstream"); + PrintAndLog(" Q5 - Set as Q5(T5555) chip instead of T55x7"); + PrintAndLog(" ST - Set Sequence Terminator on"); PrintAndLog(""); PrintAndLog("Examples:"); PrintAndLog(" lf t55xx config d FSK - FSK demodulation"); @@ -92,7 +92,7 @@ int usage_t55xx_write(){ 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(" 1 - if set, use Graphbuffer otherwise read data from tag."); PrintAndLog(""); PrintAndLog("Examples:"); PrintAndLog(" lf t55xx trace"); @@ -103,7 +103,7 @@ 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(" 1 - if set, use Graphbuffer otherwise read data from tag."); PrintAndLog(""); PrintAndLog("Examples:"); PrintAndLog(" lf t55xx info"); @@ -150,7 +150,8 @@ int usage_t55xx_wakup(){ int usage_t55xx_bruteforce(){ PrintAndLog("This command uses A) bruteforce to scan a number range"); PrintAndLog(" B) a dictionary attack"); - PrintAndLog("Usage: lf t55xx bruteforce [i <*.dic>]"); + PrintAndLog("press 'enter' to cancel the command"); + PrintAndLog("Usage: lf t55xx bruteforce [h] [i <*.dic>]"); PrintAndLog(" password must be 4 bytes (8 hex symbols)"); PrintAndLog("Options:"); PrintAndLog(" h - this help"); @@ -166,13 +167,14 @@ int usage_t55xx_bruteforce(){ } int usage_t55xx_recoverpw(){ PrintAndLog("This command uses a few tricks to try to recover mangled password"); + PrintAndLog("press 'enter' to cancel the command"); PrintAndLog("WARNING: this may brick non-password protected chips!"); PrintAndLog("Usage: lf t55xx recoverpw [password]"); PrintAndLog(" password must be 4 bytes (8 hex symbols)"); PrintAndLog(" default password is 51243648, used by many cloners"); PrintAndLog("Options:"); PrintAndLog(" h - this help"); - PrintAndLog(" [password] - 4 byte hex value of password written by cloner"); + PrintAndLog(" [password] - 4 byte hex value of password written by cloner"); PrintAndLog(""); PrintAndLog("Examples:"); PrintAndLog(" lf t55xx recoverpw"); @@ -195,8 +197,8 @@ static int CmdHelp(const char *Cmd); void printT5xxHeader(uint8_t page){ PrintAndLog("Reading Page %d:", page); - PrintAndLog("blk | hex data | binary"); - PrintAndLog("----+----------+---------------------------------"); + PrintAndLog("blk | hex data | binary | ascii"); + PrintAndLog("----+----------+----------------------------------+-------"); } int CmdT55xxSetConfig(const char *Cmd) { @@ -456,6 +458,14 @@ bool DecodeT5555TraceBlock() { return (bool) ASKDemod("64 0 1", FALSE, FALSE, 1); } +// sanity check. Don't use proxmark if it is offline and you didn't specify useGraphbuf +static int SanityOfflineCheck( bool useGraphBuffer ){ + if ( !useGraphBuffer && offline) { + PrintAndLog("Your proxmark3 device is offline. Specify [1] to use graphbuffer data instead"); + return 0; + } + return 1; +} int CmdT55xxDetect(const char *Cmd){ bool errors = FALSE; @@ -488,15 +498,18 @@ int CmdT55xxDetect(const char *Cmd){ } if (errors) return usage_t55xx_detect(); + // sanity check. + if (!SanityOfflineCheck(useGB)) return 1; + if ( !useGB) { if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) ) - return 0; + return 1; } if ( !tryDetectModulation() ) PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'"); - return 1; + return 0; } // detect configuration? @@ -536,6 +549,11 @@ bool tryDetectModulation(){ clk = GetAskClock("", FALSE, FALSE); if (clk>0) { tests[hits].ST = TRUE; + // "0 0 1 " == clock auto, invert false, maxError 1. + // false = no verbose + // false = no emSearch + // 1 = Ask/Man + // st = true if ( ASKDemod_ext("0 0 1", FALSE, FALSE, 1, &tests[hits].ST) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { tests[hits].modulation = DEMOD_ASK; tests[hits].bitrate = bitRate; @@ -544,6 +562,11 @@ bool tryDetectModulation(){ ++hits; } tests[hits].ST = TRUE; + // "0 0 1 " == clock auto, invert true, maxError 1. + // false = no verbose + // false = no emSearch + // 1 = Ask/Man + // st = true if ( ASKDemod_ext("0 1 1", FALSE, FALSE, 1, &tests[hits].ST) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { tests[hits].modulation = DEMOD_ASK; tests[hits].bitrate = bitRate; @@ -653,13 +676,46 @@ bool tryDetectModulation(){ return TRUE; } + bool retval = FALSE; if ( hits > 1) { PrintAndLog("Found [%d] possible matches for modulation.",hits); for(int i=0; i 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_trace(); - if (strlen(Cmd)==0) + if (strlen(Cmd)==0) { + // sanity check. + if (!SanityOfflineCheck(FALSE)) return 1; + if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) ) - return 0; + return 1; + } if ( config.Q5 ){ - if (!DecodeT5555TraceBlock()) return 0; + if (!DecodeT5555TraceBlock()) return 1; } else { - if (!DecodeT55xxBlock()) return 0; + if (!DecodeT55xxBlock()) return 1; } - if ( !DemodBufferLen ) return 0; + if ( !DemodBufferLen ) return 1; RepaintGraphWindow(); uint8_t repeat = (config.offset > 5) ? 32 : 0; @@ -1009,7 +1071,7 @@ int CmdT55xxReadTrace(const char *Cmd) { if (hdr != 0x1FF) { PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr); - return 0; + return 1; } t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw =0}; @@ -1048,7 +1110,7 @@ int CmdT55xxReadTrace(const char *Cmd) { data.acl = PackBits(si, 8, DemodBuffer); si += 8; if ( data.acl != 0xE0 ) { PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. "); - return 0; + return 1; } data.mfc = PackBits(si, 8, DemodBuffer); si += 8; @@ -1148,9 +1210,13 @@ int CmdT55xxInfo(const char *Cmd){ if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_info(); - if (strlen(Cmd)==0) + if (strlen(Cmd)==0){ + // sanity check. + if (!SanityOfflineCheck(FALSE)) return 1; + if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) ) return 1; + } if (!DecodeT55xxBlock()) return 1; @@ -1230,21 +1296,26 @@ int CmdT55xxDump(const char *Cmd){ int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){ // arg0 bitmodes: - // bit0 = pwdmode - // bit1 = page to read from + // bit0 = pwdmode + // bit1 = page to read from + // arg1: which block to read + // arg2: password uint8_t arg0 = (page<<1) | pwdmode; UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}}; - clearCommandBuffer(); SendCommand(&c); - if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) { + if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2500) ) { PrintAndLog("command execution time out"); return 0; } - uint8_t got[12000]; - GetFromBigBuf(got,sizeof(got),0); - WaitForResponse(CMD_ACK,NULL); + //uint8_t got[12288]; + uint8_t got[7679]; + GetFromBigBuf(got, sizeof(got), 0); + if ( !WaitForResponseTimeout(CMD_ACK, NULL, 8000) ) { + PrintAndLog("command execution time out"); + return 0; + } setGraphBuf(got, sizeof(got)); return 1; } @@ -1387,11 +1458,10 @@ int CmdT55xxWipe(const char *Cmd) { // With a pwd should work even if pwd bit not set PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n"); - if ( Q5 ){ + if ( Q5 ) snprintf(ptrData,sizeof(writeData),"b 0 d 6001F004 p 0"); - } else { + else snprintf(ptrData,sizeof(writeData),"b 0 d 000880E0 p 0"); - } if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk 0"); @@ -1406,13 +1476,22 @@ int CmdT55xxWipe(const char *Cmd) { return 0; } +bool IsCancelled(void) { + if (ukbhit()) { + int ch = getchar(); + (void)ch; + printf("\naborted via keyboard!\n"); + return TRUE; + } + return FALSE; +} + int CmdT55xxBruteForce(const char *Cmd) { // load a default pwd file. char buf[9]; char filename[FILE_PATH_SIZE]={0}; int keycnt = 0; - int ch; uint8_t stKeyBlock = 20; uint8_t *keyBlock = NULL, *p = NULL; uint32_t start_password = 0x00000000; //start password @@ -1431,8 +1510,7 @@ int CmdT55xxBruteForce(const char *Cmd) { if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; memcpy(filename, Cmd+2, len); - FILE * f = fopen( filename , "r"); - + FILE * f = fopen( filename , "r"); if ( !f ) { PrintAndLog("File: %s: not found or locked.", filename); free(keyBlock); @@ -1459,7 +1537,10 @@ int CmdT55xxBruteForce(const char *Cmd) { if (!p) { PrintAndLog("Cannot allocate memory for defaultKeys"); free(keyBlock); - fclose(f); + if (f) { + fclose(f); + f = NULL; + } return 2; } keyBlock = p; @@ -1470,8 +1551,10 @@ int CmdT55xxBruteForce(const char *Cmd) { keycnt++; memset(buf, 0, sizeof(buf)); } - fclose(f); - + if (f) { + fclose(f); + f = NULL; + } if (keycnt == 0) { PrintAndLog("No keys found in file"); free(keyBlock); @@ -1482,11 +1565,14 @@ int CmdT55xxBruteForce(const char *Cmd) { // loop uint64_t testpwd = 0x00; for (uint16_t c = 0; c < keycnt; ++c ) { - - if (ukbhit()) { - ch = getchar(); - (void)ch; - printf("\naborted via keyboard!\n"); + + if ( offline ) { + printf("Device offline\n"); + free(keyBlock); + return 2; + } + + if (IsCancelled()) { free(keyBlock); return 0; } @@ -1494,8 +1580,7 @@ int CmdT55xxBruteForce(const char *Cmd) { testpwd = bytes_to_num(keyBlock + 4*c, 4); PrintAndLog("Testing %08X", testpwd); - - + if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) { PrintAndLog("Aquireing data from device failed. Quitting"); free(keyBlock); @@ -1503,7 +1588,6 @@ int CmdT55xxBruteForce(const char *Cmd) { } found = tryDetectModulation(); - if ( found ) { PrintAndLog("Found valid password: [%08X]", testpwd); free(keyBlock); @@ -1534,10 +1618,8 @@ int CmdT55xxBruteForce(const char *Cmd) { printf("."); fflush(stdout); - if (ukbhit()) { - ch = getchar(); - (void)ch; - printf("\naborted via keyboard!\n"); + + if (IsCancelled()) { free(keyBlock); return 0; } @@ -1564,8 +1646,7 @@ int CmdT55xxBruteForce(const char *Cmd) { return 0; } -int tryOnePassword(uint32_t password) -{ +int tryOnePassword(uint32_t password) { PrintAndLog("Trying password %08x", password); if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, password)) { PrintAndLog("Aquireing data from device failed. Quitting"); @@ -1574,7 +1655,8 @@ int tryOnePassword(uint32_t password) if (tryDetectModulation()) return 1; - else return 0; + else + return 0; } int CmdT55xxRecoverPW(const char *Cmd) { @@ -1599,6 +1681,8 @@ int CmdT55xxRecoverPW(const char *Cmd) { else if (found == -1) return 0; bit++; + + if (IsCancelled()) return 0; } // now try to use partial original password, since block 7 should have been completely @@ -1621,7 +1705,9 @@ int CmdT55xxRecoverPW(const char *Cmd) { else if (found == -1) return 0; bit++; - prev_password=curr_password; + prev_password = curr_password; + + if (IsCancelled()) return 0; } // from high bit to low @@ -1641,7 +1727,9 @@ int CmdT55xxRecoverPW(const char *Cmd) { else if (found == -1) return 0; bit++; - prev_password=curr_password; + prev_password = curr_password; + + if (IsCancelled()) return 0; } done: PrintAndLog(""); @@ -1656,7 +1744,7 @@ done: static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, - {"bruteforce",CmdT55xxBruteForce,0, " [i <*.dic>] Simple bruteforce attack to find password"}, + {"bruteforce", CmdT55xxBruteForce,0, " [i <*.dic>] Simple bruteforce attack to find password"}, {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"}, {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."}, {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},