X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/534678c3e938f01245585afd20f936be18baf2f2..refs/pull/165/head:/client/cmdlft55xx.c diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index 868126c9..dfee9aa6 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -10,7 +10,6 @@ #include #include #include -#include #include "proxmark3.h" #include "ui.h" #include "graph.h" @@ -22,14 +21,12 @@ #include "util.h" #include "data.h" #include "lfdemod.h" -#include "../common/crc.h" -#include "../common/iso14443crc.h" -#include "cmdhf14a.h" +#include "cmdhf14a.h" //for getTagInfo #define T55x7_CONFIGURATION_BLOCK 0x00 #define T55x7_PAGE0 0x00 #define T55x7_PAGE1 0x01 -#define T55x7_PWD 0x00000010 +//#define T55x7_PWD 0x00000010 #define REGULAR_READ_MODE_BLOCK 0xFF // Default configuration @@ -166,6 +163,19 @@ int usage_t55xx_bruteforce(){ PrintAndLog(""); return 0; } +int usage_t55xx_wipe(){ + PrintAndLog("Usage: lf t55xx wipe [h] [Q5]"); + PrintAndLog("This commands wipes a tag, fills blocks 1-7 with zeros and a default configuration block"); + PrintAndLog("Options:"); + PrintAndLog(" h - this help"); + PrintAndLog(" Q5 - indicates to use the T5555 (Q5) default configuration block"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx wipe - wipes a t55x7 tag, config block 0x000880E0"); + PrintAndLog(" lf t55xx wipe Q5 - wipes a t5555 Q5 tag, config block 0x6001F004"); + return 0; +} + static int CmdHelp(const char *Cmd); @@ -183,7 +193,6 @@ int CmdT55xxSetConfig(const char *Cmd) { uint8_t bitRate = 0; uint8_t rates[9] = {8,16,32,40,50,64,100,128,0}; uint8_t cmdp = 0; - config.Q5 = FALSE; bool errors = FALSE; while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { @@ -418,6 +427,13 @@ bool DecodeT55xxBlock(){ return (bool) ans; } +bool DecodeT5555TraceBlock() { + DemodBufferLen = 0x00; + + // According to datasheet. Always: RF/64, not inverted, Manchester + return (bool) ASKDemod("64 0 1", FALSE, FALSE, 1); +} + int CmdT55xxDetect(const char *Cmd){ bool errors = FALSE; bool useGB = FALSE; @@ -469,7 +485,7 @@ bool tryDetectModulation(){ if (GetFskClock("", FALSE, FALSE)){ fskClocks(&fc1, &fc2, &clk, FALSE); - if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){ + if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { tests[hits].modulation = DEMOD_FSK; if (fc1==8 && fc2 == 5) tests[hits].modulation = DEMOD_FSK1a; @@ -486,7 +502,6 @@ bool tryDetectModulation(){ tests[hits].modulation = DEMOD_FSK1; else if (fc1 == 10 && fc2 == 8) tests[hits].modulation = DEMOD_FSK2a; - tests[hits].bitrate = bitRate; tests[hits].inverted = TRUE; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); @@ -597,6 +612,7 @@ bool tryDetectModulation(){ config.inverted = tests[0].inverted; config.offset = tests[0].offset; config.block0 = tests[0].block0; + config.Q5 = tests[0].Q5; printConfiguration( config ); return TRUE; } @@ -672,6 +688,15 @@ bool testQ5Modulation(uint8_t mode, uint8_t modread){ return FALSE; } +int convertQ5bitRate(uint8_t bitRateRead) { + uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128}; + for (int i=0; i<8; i++) + if (expected[i] == bitRateRead) + return i; + + return -1; +} + bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){ if ( DemodBufferLen < 64 ) return FALSE; @@ -683,12 +708,12 @@ bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){ uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8; // 2nibble must be zeroed. - if (safer != 0x6) continue; + if (safer != 0x6 && safer != 0x9) continue; if ( resv > 0x00) continue; //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1; //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1; si += 1+1; - int bitRate = PackBits(si, 5, DemodBuffer)*2 + 2; si += 5; //bit rate + int bitRate = PackBits(si, 6, DemodBuffer)*2 + 2; si += 6; //bit rate if (bitRate > 128 || bitRate < 8) continue; //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1; @@ -703,7 +728,8 @@ bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){ //test modulation if (!testQ5Modulation(mode, modread)) continue; if (bitRate != clk) continue; - *fndBitRate = bitRate; + *fndBitRate = convertQ5bitRate(bitRate); + if (*fndBitRate < 0) continue; *offset = idx; return TRUE; @@ -926,58 +952,107 @@ int CmdT55xxReadTrace(const char *Cmd) { if (strlen(Cmd)==0) if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) ) return 0; - - if (!DecodeT55xxBlock()) return 0; - if ( !DemodBufferLen) return 0; + if ( config.Q5 ) { + if (!DecodeT5555TraceBlock()) return 0; + } else { + if (!DecodeT55xxBlock()) return 0; + } + + if ( !DemodBufferLen ) return 0; RepaintGraphWindow(); - uint8_t repeat = 0; - if (config.offset > 5) - repeat = 32; + uint8_t repeat = (config.offset > 5) ? 32 : 0; + uint8_t si = config.offset+repeat; uint32_t bl1 = PackBits(si, 32, DemodBuffer); uint32_t bl2 = PackBits(si+32, 32, DemodBuffer); - - uint32_t acl = PackBits(si, 8, DemodBuffer); si += 8; - uint32_t mfc = PackBits(si, 8, DemodBuffer); si += 8; - uint32_t cid = PackBits(si, 5, DemodBuffer); si += 5; - uint32_t icr = PackBits(si, 3, DemodBuffer); si += 3; - uint32_t year = PackBits(si, 4, DemodBuffer); si += 4; - uint32_t quarter = PackBits(si, 2, DemodBuffer); si += 2; - uint32_t lotid = PackBits(si, 14, DemodBuffer); si += 14; - uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5; - uint32_t dw = PackBits(si, 15, DemodBuffer); - - time_t t = time(NULL); - struct tm tm = *localtime(&t); - if ( year > tm.tm_year-110) - year += 2000; - else - year += 2010; - if (config.Q5) PrintAndLog("*** Warning *** Info read off a Q5 will not work as expected"); - if ( acl != 0xE0 ) { - PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. "); - return 0; + if (config.Q5) { + uint32_t hdr = PackBits(si, 9, DemodBuffer); si += 9; + + if (hdr != 0x1FF) { + PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr); + return 0; + } + + t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw =0}; + + data.icr = PackBits(si, 2, DemodBuffer); si += 2; + data.lotidc = 'Z' - PackBits(si, 2, DemodBuffer); si += 3; + + data.lotid = PackBits(si, 4, DemodBuffer); si += 5; + data.lotid <<= 4; + data.lotid |= PackBits(si, 4, DemodBuffer); si += 5; + data.lotid <<= 4; + data.lotid |= PackBits(si, 4, DemodBuffer); si += 5; + data.lotid <<= 4; + data.lotid |= PackBits(si, 4, DemodBuffer); si += 5; + data.lotid <<= 1; + data.lotid |= PackBits(si, 1, DemodBuffer); si += 1; + + data.wafer = PackBits(si, 3, DemodBuffer); si += 4; + data.wafer <<= 2; + data.wafer |= PackBits(si, 2, DemodBuffer); si += 2; + + data.dw = PackBits(si, 2, DemodBuffer); si += 3; + data.dw <<= 4; + data.dw |= PackBits(si, 4, DemodBuffer); si += 5; + data.dw <<= 4; + data.dw |= PackBits(si, 4, DemodBuffer); si += 5; + data.dw <<= 4; + data.dw |= PackBits(si, 4, DemodBuffer); si += 5; + + printT5555Trace(data, repeat); + + } else { + + t55x7_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .acl = 0, .mfc = 0, .cid = 0, .year = 0, .quarter = 0, .icr = 0, .lotid = 0, .wafer = 0, .dw = 0}; + + 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; + } + + data.mfc = PackBits(si, 8, DemodBuffer); si += 8; + data.cid = PackBits(si, 5, DemodBuffer); si += 5; + data.icr = PackBits(si, 3, DemodBuffer); si += 3; + data.year = PackBits(si, 4, DemodBuffer); si += 4; + data.quarter = PackBits(si, 2, DemodBuffer); si += 2; + data.lotid = PackBits(si, 14, DemodBuffer); si += 14; + data.wafer = PackBits(si, 5, DemodBuffer); si += 5; + data.dw = PackBits(si, 15, DemodBuffer); + + time_t t = time(NULL); + struct tm tm = *localtime(&t); + if ( data.year > tm.tm_year-110) + data.year += 2000; + else + data.year += 2010; + + printT55x7Trace(data, repeat); } - PrintAndLog(""); - PrintAndLog("-- T55xx Trace Information ----------------------------------"); + return 0; +} + +void printT55x7Trace( t55x7_tracedata_t data, uint8_t repeat ){ + PrintAndLog("-- T55x7 Trace Information ----------------------------------"); PrintAndLog("-------------------------------------------------------------"); - PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl); - PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc, mfc, getTagInfo(mfc)); - PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid)); - PrintAndLog(" ICR IC Revision : %d",icr ); + PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", data.acl, data.acl); + PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", data.mfc, data.mfc, getTagInfo(data.mfc)); + PrintAndLog(" CID : 0x%02X (%d) - %s", data.cid, data.cid, GetModelStrFromCID(data.cid)); + PrintAndLog(" ICR IC Revision : %d", data.icr ); PrintAndLog(" Manufactured"); - PrintAndLog(" Year/Quarter : %d/%d",year, quarter); - PrintAndLog(" Lot ID : %d", lotid ); - PrintAndLog(" Wafer number : %d", wafer); - PrintAndLog(" Die Number : %d", dw); + PrintAndLog(" Year/Quarter : %d/%d", data.year, data.quarter); + PrintAndLog(" Lot ID : %d", data.lotid ); + PrintAndLog(" Wafer number : %d", data.wafer); + PrintAndLog(" Die Number : %d", data.dw); PrintAndLog("-------------------------------------------------------------"); PrintAndLog(" Raw Data - Page 1"); - PrintAndLog(" Block 1 : 0x%08X %s", bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) ); - PrintAndLog(" Block 2 : 0x%08X %s", bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) ); - PrintAndLog("-------------------------------------------------------------"); + PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) ); + PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) ); + PrintAndLog("-------------------------------------------------------------"); /* TRACE - BLOCK O @@ -995,10 +1070,36 @@ int CmdT55xxReadTrace(const char *Cmd) { 13-17 Wafer number 18-32 DW, die number sequential */ +} + +void printT5555Trace( t5555_tracedata_t data, uint8_t repeat ){ + PrintAndLog("-- T5555 (Q5) Trace Information -----------------------------"); + PrintAndLog("-------------------------------------------------------------"); + PrintAndLog(" ICR IC Revision : %d", data.icr ); + PrintAndLog(" Lot : %c%d", data.lotidc, data.lotid); + PrintAndLog(" Wafer number : %d", data.wafer); + PrintAndLog(" Die Number : %d", data.dw); + PrintAndLog("-------------------------------------------------------------"); + PrintAndLog(" Raw Data - Page 1"); + PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) ); + PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) ); - return 0; + /* + ** Q5 ** + TRACE - BLOCK O and BLOCK1 + Bits Definition HEX + 1-9 Header 0x1FF + 10-11 IC Revision + 12-13 Lot ID char + 15-35 Lot ID (NB parity) + 36-41 Wafer number (NB parity) + 42-58 DW, die number sequential (NB parity) + 60-63 Parity bits + 64 Always zero + */ } +//need to add Q5 info... int CmdT55xxInfo(const char *Cmd){ /* Page 0 Block 0 Configuration data. @@ -1018,6 +1119,7 @@ int CmdT55xxInfo(const char *Cmd){ if (!DecodeT55xxBlock()) return 1; + // too little space to start with if ( DemodBufferLen < 32) return 1; uint8_t si = config.offset; @@ -1037,9 +1139,10 @@ int CmdT55xxInfo(const char *Cmd){ uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1; uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1; uint32_t por = PackBits(si, 1, DemodBuffer); si += 1; + if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected"); PrintAndLog(""); - PrintAndLog("-- T55xx Configuration & Tag Information --------------------"); + PrintAndLog("-- T55x7 Configuration & Tag Information --------------------"); PrintAndLog("-------------------------------------------------------------"); PrintAndLog(" Safer key : %s", GetSaferStr(safer)); PrintAndLog(" reserved : %d", resv); @@ -1109,44 +1212,25 @@ int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){ return 1; } -char * GetBitRateStr(uint32_t id){ - static char buf[25]; +char * GetBitRateStr(uint32_t id) { + static char buf[25]; char *retStr = buf; - switch (id){ - case 0: - snprintf(retStr,sizeof(buf),"%d - RF/8",id); - break; - case 1: - snprintf(retStr,sizeof(buf),"%d - RF/16",id); - break; - case 2: - snprintf(retStr,sizeof(buf),"%d - RF/32",id); - break; - case 3: - snprintf(retStr,sizeof(buf),"%d - RF/40",id); - break; - case 4: - snprintf(retStr,sizeof(buf),"%d - RF/50",id); - break; - case 5: - snprintf(retStr,sizeof(buf),"%d - RF/64",id); - break; - case 6: - snprintf(retStr,sizeof(buf),"%d - RF/100",id); - break; - case 7: - snprintf(retStr,sizeof(buf),"%d - RF/128",id); - break; - default: - snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); - break; - } - + switch (id) { + case 0: snprintf(retStr,sizeof(buf),"%d - RF/8",id); break; + case 1: snprintf(retStr,sizeof(buf),"%d - RF/16",id); break; + case 2: snprintf(retStr,sizeof(buf),"%d - RF/32",id); break; + case 3: snprintf(retStr,sizeof(buf),"%d - RF/40",id); break; + case 4: snprintf(retStr,sizeof(buf),"%d - RF/50",id); break; + case 5: snprintf(retStr,sizeof(buf),"%d - RF/64",id); break; + case 6: snprintf(retStr,sizeof(buf),"%d - RF/100",id); break; + case 7: snprintf(retStr,sizeof(buf),"%d - RF/128",id); break; + default: snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); break; + } return buf; } -char * GetSaferStr(uint32_t id){ +char * GetSaferStr(uint32_t id) { static char buf[40]; char *retStr = buf; @@ -1166,45 +1250,19 @@ char * GetModulationStr( uint32_t id){ char *retStr = buf; switch (id){ - case 0: - snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id); - break; - case 1: - snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id); - break; - case 2: - snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id); - break; - case 3: - snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id); - break; - case 4: - snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id); - break; - case 5: - snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id); - break; - case 6: - snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id); - break; - case 7: - snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id); - break; - case 8: - snprintf(retStr,sizeof(buf),"%d - Manchester",id); - break; - case 16: - snprintf(retStr,sizeof(buf),"%d - Biphase",id); - break; - case 0x18: - snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id); - break; - case 17: - snprintf(retStr,sizeof(buf),"%d - Reserved",id); - break; - default: - snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id); - break; + case 0: snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id); break; + case 1: snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id); break; + case 2: snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id); break; + case 3: snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id); break; + case 4: snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id); break; + case 5: snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id); break; + case 6: snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id); break; + case 7: snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id); break; + case 8: snprintf(retStr,sizeof(buf),"%d - Manchester",id); break; + case 16: snprintf(retStr,sizeof(buf),"%d - Biphase",id); break; + case 0x18: snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id); break; + case 17: snprintf(retStr,sizeof(buf),"%d - Reserved",id); break; + default: snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id); break; } return buf; } @@ -1224,47 +1282,21 @@ char * GetSelectedModulationStr( uint8_t id){ static char buf[20]; char *retStr = buf; - switch (id){ - case DEMOD_FSK: - snprintf(retStr,sizeof(buf),"FSK"); - break; - case DEMOD_FSK1: - snprintf(retStr,sizeof(buf),"FSK1"); - break; - case DEMOD_FSK1a: - snprintf(retStr,sizeof(buf),"FSK1a"); - break; - case DEMOD_FSK2: - snprintf(retStr,sizeof(buf),"FSK2"); - break; - case DEMOD_FSK2a: - snprintf(retStr,sizeof(buf),"FSK2a"); - break; - case DEMOD_ASK: - snprintf(retStr,sizeof(buf),"ASK"); - break; - case DEMOD_NRZ: - snprintf(retStr,sizeof(buf),"DIRECT/NRZ"); - break; - case DEMOD_PSK1: - snprintf(retStr,sizeof(buf),"PSK1"); - break; - case DEMOD_PSK2: - snprintf(retStr,sizeof(buf),"PSK2"); - break; - case DEMOD_PSK3: - snprintf(retStr,sizeof(buf),"PSK3"); - break; - case DEMOD_BI: - snprintf(retStr,sizeof(buf),"BIPHASE"); - break; - case DEMOD_BIa: - snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)"); - break; - default: - snprintf(retStr,sizeof(buf),"(Unknown)"); - break; - } + switch (id) { + case DEMOD_FSK: snprintf(retStr,sizeof(buf),"FSK"); break; + case DEMOD_FSK1: snprintf(retStr,sizeof(buf),"FSK1"); break; + case DEMOD_FSK1a: snprintf(retStr,sizeof(buf),"FSK1a"); break; + case DEMOD_FSK2: snprintf(retStr,sizeof(buf),"FSK2"); break; + case DEMOD_FSK2a: snprintf(retStr,sizeof(buf),"FSK2a"); break; + case DEMOD_ASK: snprintf(retStr,sizeof(buf),"ASK"); break; + case DEMOD_NRZ: snprintf(retStr,sizeof(buf),"DIRECT/NRZ"); break; + case DEMOD_PSK1: snprintf(retStr,sizeof(buf),"PSK1"); break; + case DEMOD_PSK2: snprintf(retStr,sizeof(buf),"PSK2"); break; + case DEMOD_PSK3: snprintf(retStr,sizeof(buf),"PSK3"); break; + case DEMOD_BI: snprintf(retStr,sizeof(buf),"BIPHASE"); break; + case DEMOD_BIa: snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)"); break; + default: snprintf(retStr,sizeof(buf),"(Unknown)"); break; + } return buf; } @@ -1303,13 +1335,22 @@ int CmdT55xxWipe(const char *Cmd) { char writeData[20] = {0}; char *ptrData = writeData; + char cmdp = param_getchar(Cmd, 0); + if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wipe(); + + bool Q5 = (cmdp == 'q' || cmdp == 'Q'); + + // Try with the default password to reset block 0 + // 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"); - //try with the default password to reset block 0 (with a pwd should work even if pwd bit not set) - snprintf(ptrData,sizeof(writeData),"b 0 d 00088040 p 0"); + if ( Q5 ){ + snprintf(ptrData,sizeof(writeData),"b 0 d 6001F004 p 0"); + } else { + snprintf(ptrData,sizeof(writeData),"b 0 d 00088040 p 0"); + } - if (!CmdT55xxWriteBlock(ptrData)) - PrintAndLog("Error writing blk 0"); + if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk 0"); for (uint8_t blk = 1; blk<8; blk++) { snprintf(ptrData,sizeof(writeData),"b %d d 0", blk); @@ -1327,11 +1368,9 @@ int CmdT55xxBruteForce(const char *Cmd) { char buf[9]; char filename[FILE_PATH_SIZE]={0}; int keycnt = 0; + int ch; uint8_t stKeyBlock = 20; - uint8_t *keyBlock = NULL, *p; - keyBlock = calloc(stKeyBlock, 6); - if (keyBlock == NULL) return 1; - + uint8_t *keyBlock = NULL, *p = NULL; uint32_t start_password = 0x00000000; //start password uint32_t end_password = 0xFFFFFFFF; //end password bool found = false; @@ -1339,6 +1378,9 @@ int CmdT55xxBruteForce(const char *Cmd) { char cmdp = param_getchar(Cmd, 0); if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce(); + keyBlock = calloc(stKeyBlock, 6); + if (keyBlock == NULL) return 1; + if (cmdp == 'i' || cmdp == 'I') { int len = strlen(Cmd+2); @@ -1353,7 +1395,7 @@ int CmdT55xxBruteForce(const char *Cmd) { return 1; } - while( fgets(buf, sizeof(buf), f) ){ + while( fgets(buf, sizeof(buf), f) ) { if (strlen(buf) < 8 || buf[7] == '\n') continue; while (fgetc(f) != '\n' && !feof(f)) ; //goto next line @@ -1361,7 +1403,7 @@ int CmdT55xxBruteForce(const char *Cmd) { //The line start with # is comment, skip if( buf[0]=='#' ) continue; - if (!isxdigit(buf[0])){ + if (!isxdigit(buf[0])) { PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf); continue; } @@ -1373,6 +1415,7 @@ int CmdT55xxBruteForce(const char *Cmd) { if (!p) { PrintAndLog("Cannot allocate memory for defaultKeys"); free(keyBlock); + fclose(f); return 2; } keyBlock = p; @@ -1387,6 +1430,7 @@ int CmdT55xxBruteForce(const char *Cmd) { if (keycnt == 0) { PrintAndLog("No keys found in file"); + free(keyBlock); return 1; } PrintAndLog("Loaded %d keys", keycnt); @@ -1396,8 +1440,10 @@ int CmdT55xxBruteForce(const char *Cmd) { for (uint16_t c = 0; c < keycnt; ++c ) { if (ukbhit()) { - getchar(); + ch = getchar(); + (void)ch; printf("\naborted via keyboard!\n"); + free(keyBlock); return 0; } @@ -1407,6 +1453,7 @@ int CmdT55xxBruteForce(const char *Cmd) { if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) { PrintAndLog("Aquireing data from device failed. Quitting"); + free(keyBlock); return 0; } @@ -1414,10 +1461,12 @@ int CmdT55xxBruteForce(const char *Cmd) { if ( found ) { PrintAndLog("Found valid password: [%08X]", testpwd); + free(keyBlock); return 0; } } PrintAndLog("Password NOT found."); + free(keyBlock); return 0; } @@ -1426,39 +1475,46 @@ int CmdT55xxBruteForce(const char *Cmd) { // incremental pwd range search start_password = param_get32ex(Cmd, 0, 0, 16); end_password = param_get32ex(Cmd, 1, 0, 16); - - if ( start_password >= end_password ) return usage_t55xx_bruteforce(); + if ( start_password >= end_password ) { + free(keyBlock); + return usage_t55xx_bruteforce(); + } PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password); uint32_t i = start_password; - while ((!found) && (i <= end_password)){ + while ((!found) && (i <= end_password)) { - printf("."); - fflush(stdout); - if (ukbhit()) { - getchar(); - printf("\naborted via keyboard!\n"); - return 0; - } + printf("."); + fflush(stdout); + if (ukbhit()) { + ch = getchar(); + (void)ch; + printf("\naborted via keyboard!\n"); + free(keyBlock); + return 0; + } - if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) { - PrintAndLog("Aquireing data from device failed. Quitting"); - return 0; - } - found = tryDetectModulation(); - - if (found) break; - i++; + if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) { + PrintAndLog("Aquireing data from device failed. Quitting"); + free(keyBlock); + return 0; + } + found = tryDetectModulation(); + + if (found) break; + i++; } PrintAndLog(""); if (found) - PrintAndLog("Found valid password: [%08x]", i); + PrintAndLog("Found valid password: [%08x]", i); else - PrintAndLog("Password NOT found. Last tried: [%08x]", --i); + PrintAndLog("Password NOT found. Last tried: [%08x]", --i); + + free(keyBlock); return 0; } @@ -1475,7 +1531,7 @@ static command_t CommandTable[] = { {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"}, {"special", special, 0, "Show block changes with 64 different offsets"}, {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"}, - {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"}, + {"wipe", CmdT55xxWipe, 0, "[q] Wipe a T55xx tag and set defaults (will destroy any data on tag)"}, {NULL, NULL, 0, NULL} };