X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/13d77ef964cefe68750873d5268299a53c9e22a5..489ef36cf67e8b882682542b8ad16eea6a41531e:/client/cmdlft55xx.c diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index 57540bd8..cf19c0ec 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -10,6 +10,7 @@ #include #include #include +#include #include "proxmark3.h" #include "ui.h" #include "graph.h" @@ -60,13 +61,13 @@ 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; } @@ -147,31 +148,37 @@ int CmdT55xxSetConfig(const char *Cmd) { param_getstr(Cmd, cmdp+1, modulation); cmdp += 2; - if ( strcmp(modulation, "FSK" ) == 0) + if ( strcmp(modulation, "FSK" ) == 0) { config.modulation = DEMOD_FSK; - else if ( strcmp(modulation, "FSK1" ) == 0) + } else if ( strcmp(modulation, "FSK1" ) == 0) { config.modulation = DEMOD_FSK1; - else if ( strcmp(modulation, "FSK1a" ) == 0) + config.inverted=1; + } else if ( strcmp(modulation, "FSK1a" ) == 0) { config.modulation = DEMOD_FSK1a; - else if ( strcmp(modulation, "FSK2" ) == 0) + config.inverted=0; + } else if ( strcmp(modulation, "FSK2" ) == 0) { config.modulation = DEMOD_FSK2; - else if ( strcmp(modulation, "FSK2a" ) == 0) + config.inverted=0; + } else if ( strcmp(modulation, "FSK2a" ) == 0) { config.modulation = DEMOD_FSK2a; - else if ( strcmp(modulation, "ASK" ) == 0) + config.inverted=1; + } else if ( strcmp(modulation, "ASK" ) == 0) { config.modulation = DEMOD_ASK; - else if ( strcmp(modulation, "NRZ" ) == 0) + } else if ( strcmp(modulation, "NRZ" ) == 0) { config.modulation = DEMOD_NRZ; - else if ( strcmp(modulation, "PSK1" ) == 0) + } else if ( strcmp(modulation, "PSK1" ) == 0) { config.modulation = DEMOD_PSK1; - else if ( strcmp(modulation, "PSK2" ) == 0) + } else if ( strcmp(modulation, "PSK2" ) == 0) { config.modulation = DEMOD_PSK2; - else if ( strcmp(modulation, "PSK3" ) == 0) + } else if ( strcmp(modulation, "PSK3" ) == 0) { config.modulation = DEMOD_PSK3; - else if ( strcmp(modulation, "BIa" ) == 0) + } else if ( strcmp(modulation, "BIa" ) == 0) { config.modulation = DEMOD_BIa; - else if ( strcmp(modulation, "BI" ) == 0) + config.inverted=1; + } else if ( strcmp(modulation, "BI" ) == 0) { config.modulation = DEMOD_BI; - else { + config.inverted=0; + } else { PrintAndLog("Unknown modulation '%s'", modulation); errors = TRUE; } @@ -246,7 +253,7 @@ int CmdT55xxReadBlock(const char *Cmd) { WaitForResponse(CMD_ACK,NULL); setGraphBuf(got, 12000); DemodBufferLen=0; - if (!DecodeT55xxBlock()) return 0; + if (!DecodeT55xxBlock()) return 3; char blk[10]={0}; sprintf(blk,"%d", block); printT55xxBlock(blk); @@ -255,77 +262,51 @@ int CmdT55xxReadBlock(const char *Cmd) { bool DecodeT55xxBlock(){ - char buf[8] = {0x00}; + char buf[30] = {0x00}; char *cmdStr = buf; int ans = 0; uint8_t bitRate[8] = {8,16,32,40,50,64,100,128}; - DemodBufferLen = 0x00; + //trim 1/2 a clock from beginning + snprintf(cmdStr, sizeof(buf),"%d", bitRate[config.bitrate]/2 ); + CmdLtrim(cmdStr); switch( config.modulation ){ case DEMOD_FSK: - //CmdLtrim("26"); - sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 ); - CmdLtrim(cmdStr); - sprintf(cmdStr,"%d %d", bitRate[config.bitrate], config.inverted ); + snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted ); ans = FSKrawDemod(cmdStr, FALSE); break; case DEMOD_FSK1: - //CmdLtrim("26"); - sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 ); - CmdLtrim(cmdStr); - sprintf(cmdStr,"%d 1 8 5", bitRate[config.bitrate] ); - ans = FSKrawDemod(cmdStr, FALSE); - break; case DEMOD_FSK1a: - //CmdLtrim("26"); - sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 ); - CmdLtrim(cmdStr); - sprintf(cmdStr,"%d 0 8 5", bitRate[config.bitrate] ); + snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted ); ans = FSKrawDemod(cmdStr, FALSE); break; case DEMOD_FSK2: - //CmdLtrim("26"); - sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 ); - CmdLtrim(cmdStr); - sprintf(cmdStr,"%d 0 10 8", bitRate[config.bitrate] ); - ans = FSKrawDemod(cmdStr, FALSE); - break; case DEMOD_FSK2a: - //CmdLtrim("26"); - sprintf(cmdStr,"%d", bitRate[config.bitrate]/2 ); - CmdLtrim(cmdStr); - sprintf(cmdStr,"%d 1 10 8", bitRate[config.bitrate] ); + snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted ); ans = FSKrawDemod(cmdStr, FALSE); break; case DEMOD_ASK: - sprintf(cmdStr,"%d %d 1", bitRate[config.bitrate], config.inverted ); - ans = ASKmanDemod(cmdStr, FALSE, FALSE); + snprintf(cmdStr, sizeof(buf),"%d %d 0", bitRate[config.bitrate], config.inverted ); + ans = ASKDemod(cmdStr, FALSE, FALSE, 1); break; case DEMOD_PSK1: - sprintf(cmdStr,"%d %d 1", bitRate[config.bitrate], config.inverted ); - ans = PSKDemod(cmdStr, FALSE); - break; - case DEMOD_PSK2: - sprintf(cmdStr,"%d 1", bitRate[config.bitrate] ); + snprintf(cmdStr, sizeof(buf),"%d %d 0", bitRate[config.bitrate], config.inverted ); ans = PSKDemod(cmdStr, FALSE); - psk1TOpsk2(DemodBuffer, DemodBufferLen); break; - case DEMOD_PSK3: - sprintf(cmdStr,"%d %d 1", bitRate[config.bitrate], config.inverted ); + case DEMOD_PSK2: //inverted won't affect this + case DEMOD_PSK3: //not fully implemented + snprintf(cmdStr, sizeof(buf),"%d 0 1", bitRate[config.bitrate] ); ans = PSKDemod(cmdStr, FALSE); psk1TOpsk2(DemodBuffer, DemodBufferLen); break; case DEMOD_NRZ: - sprintf(cmdStr,"%d %d 1", bitRate[config.bitrate], config.inverted ); + snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted ); ans = NRZrawDemod(cmdStr, FALSE); break; case DEMOD_BI: - sprintf(cmdStr,"0 %d 0 1", bitRate[config.bitrate] ); - ans = ASKbiphaseDemod(cmdStr, FALSE); - break; case DEMOD_BIa: - sprintf(cmdStr,"0 %d 1 1", bitRate[config.bitrate] ); + snprintf(cmdStr, sizeof(buf),"0 %d %d 0", bitRate[config.bitrate], config.inverted ); ans = ASKbiphaseDemod(cmdStr, FALSE); break; default: @@ -354,114 +335,141 @@ bool tryDetectModulation(){ char cmdStr[8] = {0}; uint8_t hits = 0; t55xx_conf_block_t tests[15]; - + int bitRate=0; + uint8_t fc1 = 0, fc2 = 0, clk=0; + save_restoreGB(1); if (GetFskClock("", FALSE, FALSE)){ - uint8_t fc1 = 0, fc2 = 0, clk=0; fskClocks(&fc1, &fc2, &clk, FALSE); sprintf(cmdStr,"%d", clk/2); CmdLtrim(cmdStr); - if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset)){ + if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate)){ tests[hits].modulation = DEMOD_FSK; if (fc1==8 && fc2 == 5) tests[hits].modulation = DEMOD_FSK1a; else if (fc1==10 && fc2 == 8) tests[hits].modulation = DEMOD_FSK2; - + tests[hits].bitrate = bitRate; tests[hits].inverted = FALSE; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); ++hits; } - if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset)) { + if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate)) { tests[hits].modulation = DEMOD_FSK; - if (fc1==8 && fc2 == 5) + if (fc1 == 8 && fc2 == 5) tests[hits].modulation = DEMOD_FSK1; - else if (fc1==10 && fc2 == 8) + 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); ++hits; } } else { - if ( ASKmanDemod("0 0 1", FALSE, FALSE) && test(DEMOD_ASK, &tests[hits].offset)) { - tests[hits].modulation = DEMOD_ASK; - tests[hits].inverted = FALSE; - tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); - ++hits; + clk = GetAskClock("", FALSE, FALSE); + if (clk>0) { + 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; + tests[hits].inverted = FALSE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; } - - if ( ASKmanDemod("0 1 1", FALSE, FALSE) && test(DEMOD_ASK, &tests[hits].offset)) { - tests[hits].modulation = DEMOD_ASK; - tests[hits].inverted = TRUE; - tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); - ++hits; + if ( ASKDemod("0 1 0", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate)) { + tests[hits].modulation = DEMOD_ASK; + tests[hits].bitrate = bitRate; + tests[hits].inverted = TRUE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; + } + if ( ASKbiphaseDemod("0 0 0 0", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate) ) { + tests[hits].modulation = DEMOD_BI; + tests[hits].bitrate = bitRate; + tests[hits].inverted = FALSE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; + } + if ( ASKbiphaseDemod("0 0 1 0", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate) ) { + tests[hits].modulation = DEMOD_BIa; + tests[hits].bitrate = bitRate; + tests[hits].inverted = TRUE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; } - - if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset)) { - tests[hits].modulation = DEMOD_NRZ; - tests[hits].inverted = FALSE; - tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); - ++hits; } + //undo trim from ask + save_restoreGB(0); + clk = GetNrzClock("", FALSE, FALSE); + if (clk>0) { + 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; + tests[hits].inverted = FALSE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; + } - if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset)) { - tests[hits].modulation = DEMOD_NRZ; - tests[hits].inverted = TRUE; - tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); - ++hits; + if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate)) { + tests[hits].modulation = DEMOD_NRZ; + tests[hits].bitrate = bitRate; + tests[hits].inverted = TRUE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; } - - if ( PSKDemod("0 0 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset)) { - tests[hits].modulation = DEMOD_PSK1; - tests[hits].inverted = FALSE; - tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); - ++hits; } - if ( PSKDemod("0 1 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset)) { - tests[hits].modulation = DEMOD_PSK1; - tests[hits].inverted = TRUE; - tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); - ++hits; - } - - // PSK2 - needs a call to psk1TOpsk2. - if ( PSKDemod("0 0 1", FALSE)) { - psk1TOpsk2(DemodBuffer, DemodBufferLen); - if (test(DEMOD_PSK2, &tests[hits].offset)){ - tests[hits].modulation = DEMOD_PSK2; + //undo trim from nrz + save_restoreGB(0); + clk = GetPskClock("", FALSE, FALSE); + if (clk>0) { + 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; tests[hits].inverted = FALSE; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); ++hits; } - } // inverse waves does not affect this demod - - // PSK3 - needs a call to psk1TOpsk2. - if ( PSKDemod("0 0 1", FALSE)) { - psk1TOpsk2(DemodBuffer, DemodBufferLen); - if (test(DEMOD_PSK3, &tests[hits].offset)){ - tests[hits].modulation = DEMOD_PSK3; - tests[hits].inverted = FALSE; + if ( PSKDemod("0 1 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate)) { + tests[hits].modulation = DEMOD_PSK1; + tests[hits].bitrate = bitRate; + tests[hits].inverted = TRUE; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); ++hits; } - } // inverse waves does not affect this demod - - if ( ASKbiphaseDemod("0 0 0 1", FALSE) && test(DEMOD_BI, &tests[hits].offset) ) { - tests[hits].modulation = DEMOD_BI; - tests[hits].inverted = FALSE; - tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); - ++hits; - } - if ( ASKbiphaseDemod("0 0 1 1", FALSE) && test(DEMOD_BIa, &tests[hits].offset) ) { - tests[hits].modulation = DEMOD_BIa; - tests[hits].inverted = TRUE; - tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); - ++hits; + // PSK2 - needs a call to psk1TOpsk2. + if ( PSKDemod("0 0 1", FALSE)) { + psk1TOpsk2(DemodBuffer, DemodBufferLen); + if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate)){ + tests[hits].modulation = DEMOD_PSK2; + tests[hits].bitrate = bitRate; + tests[hits].inverted = FALSE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; + } + } // inverse waves does not affect this demod + // PSK3 - needs a call to psk1TOpsk2. + if ( PSKDemod("0 0 1", FALSE)) { + psk1TOpsk2(DemodBuffer, DemodBufferLen); + if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate)){ + tests[hits].modulation = DEMOD_PSK3; + tests[hits].bitrate = bitRate; + tests[hits].inverted = FALSE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; + } + } // inverse waves does not affect this demod } } if ( hits == 1) { config.modulation = tests[0].modulation; + config.bitrate = tests[0].bitrate; config.inverted = tests[0].inverted; config.offset = tests[0].offset; config.block0 = tests[0].block0; @@ -516,81 +524,32 @@ bool testBitRate(uint8_t readRate, uint8_t mod){ uint8_t detRate = 0; switch( mod ){ case DEMOD_FSK: - detRate = GetFskClock("",FALSE, FALSE); - if (expected[readRate] == detRate) { - config.bitrate = readRate; - return TRUE; - } - break; case DEMOD_FSK1: - detRate = GetFskClock("",FALSE, FALSE); - if (expected[readRate] == detRate) { - config.bitrate = readRate; - return TRUE; - } - break; case DEMOD_FSK1a: - detRate = GetFskClock("",FALSE, FALSE); - if (expected[readRate] == detRate) { - config.bitrate = readRate; - return TRUE; - } - break; case DEMOD_FSK2: - detRate = GetFskClock("",FALSE, FALSE); - if (expected[readRate] == detRate) { - config.bitrate = readRate; - return TRUE; - } - break; case DEMOD_FSK2a: detRate = GetFskClock("",FALSE, FALSE); - if (expected[readRate] == detRate) { - config.bitrate = readRate; + if (expected[readRate] == detRate) return TRUE; - } break; case DEMOD_ASK: + case DEMOD_BI: + case DEMOD_BIa: detRate = GetAskClock("",FALSE, FALSE); - if (expected[readRate] == detRate) { - config.bitrate = readRate; + if (expected[readRate] == detRate) return TRUE; - } break; case DEMOD_PSK1: - detRate = GetPskClock("",FALSE, FALSE); - if (expected[readRate] == detRate) { - config.bitrate = readRate; - return TRUE; - } - break; case DEMOD_PSK2: - detRate = GetPskClock("",FALSE, FALSE); - if (expected[readRate] == detRate) { - config.bitrate = readRate; - return TRUE; - } - break; case DEMOD_PSK3: detRate = GetPskClock("",FALSE, FALSE); - if (expected[readRate] == detRate) { - config.bitrate = readRate; + if (expected[readRate] == detRate) return TRUE; - } break; case DEMOD_NRZ: detRate = GetNrzClock("",FALSE, FALSE); - if (expected[readRate] == detRate) { - config.bitrate = readRate; + if (expected[readRate] == detRate) return TRUE; - } - break; - case DEMOD_BI: - detRate = GetAskClock("",FALSE, FALSE); - if (expected[readRate] == detRate) { - config.bitrate = readRate; - return TRUE; - } break; default: return FALSE; @@ -598,26 +557,27 @@ bool testBitRate(uint8_t readRate, uint8_t mod){ return FALSE; } -bool test(uint8_t mode, uint8_t *offset){ +bool test(uint8_t mode, uint8_t *offset, int *fndBitRate){ - if ( !DemodBufferLen) return FALSE; + if ( DemodBufferLen < 64 ) return FALSE; uint8_t si = 0; for (uint8_t idx = 0; idx < 64; idx++){ si = idx; if ( PackBits(si, 32, DemodBuffer) == 0x00 ) continue; - uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key + uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode // 2nibble must be zeroed. // moved test to here, since this gets most faults first. if ( resv > 0x00) continue; - uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //new - uint8_t bitRate = PackBits(si, 3, DemodBuffer); si += 3; //new could check bit rate + uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate + int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate + if (bitRate > 7) continue; uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode - uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1; //new - //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //new could check psk cr - uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24 , 30, 31 could be tested for 0 if not extended mode + uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1; + //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr + uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2; //if extended mode @@ -628,15 +588,15 @@ bool test(uint8_t mode, uint8_t *offset){ } //test modulation if (!testModulation(mode, modread)) continue; - - *offset = idx; if (!testBitRate(bitRate, mode)) continue; + *fndBitRate = bitRate; + *offset = idx; return TRUE; } return FALSE; } -void printT55xxBlock(const char *demodStr){ +void printT55xxBlock(const char *blockNum){ uint8_t i = config.offset; uint8_t endpos = 32 + i; @@ -654,7 +614,7 @@ void printT55xxBlock(const char *demodStr){ bits[i - config.offset]=DemodBuffer[i]; blockData = PackBits(0, 32, bits); - PrintAndLog("0x%08X %s [%s]", blockData, sprint_bin(bits,32), demodStr); + PrintAndLog("[%s] 0x%08X %s", blockNum, blockData, sprint_bin(bits,32)); } int special(const char *Cmd) { @@ -746,18 +706,28 @@ int CmdT55xxReadTrace(const char *Cmd) uint32_t bl0 = PackBits(si, 32, DemodBuffer); uint32_t bl1 = 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, 12, DemodBuffer); si += 12; - uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5; + 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); - year += 2000; - + time_t t = time(NULL); + struct tm tm = *localtime(&t); + if ( year > tm.tm_year-110) + year += 2000; + else + year += 2010; + + if ( acl != 0xE0 ) { + PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. "); + return 1; + } + PrintAndLog(""); PrintAndLog("-- T55xx Trace Information ----------------------------------"); PrintAndLog("-------------------------------------------------------------"); @@ -766,7 +736,7 @@ int CmdT55xxReadTrace(const char *Cmd) PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid)); PrintAndLog(" ICR IC Revision : %d",icr ); PrintAndLog(" Manufactured"); - PrintAndLog(" Year/Quarter : %d/%d",year, quarter ); + PrintAndLog(" Year/Quarter : %d/%d",year, quarter); PrintAndLog(" Lot ID : %d", lotid ); PrintAndLog(" Wafer number : %d", wafer); PrintAndLog(" Die Number : %d", dw); @@ -776,8 +746,6 @@ int CmdT55xxReadTrace(const char *Cmd) PrintAndLog(" Block 1 : 0x%08X %s", bl1, sprint_bin(DemodBuffer+config.offset+repeat+32,32) ); PrintAndLog("-------------------------------------------------------------"); - if ( acl != 0xE0 ) - PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. "); /* TRACE - BLOCK O Bits Definition HEX @@ -811,10 +779,10 @@ int CmdT55xxInfo(const char *Cmd){ if (strlen(Cmd)==0) AquireData( CONFIGURATION_BLOCK ); - + if (!DecodeT55xxBlock()) return 1; - if ( !DemodBufferLen) return 1; + if ( DemodBufferLen < 32) return 1; uint8_t si = config.offset; uint32_t bl0 = PackBits(si, 32, DemodBuffer); @@ -924,35 +892,36 @@ int AquireData( uint8_t block ){ } char * GetBitRateStr(uint32_t id){ - static char buf[40]; + static char buf[25]; + char *retStr = buf; switch (id){ case 0: - sprintf(retStr,"%d - RF/8",id); + snprintf(retStr,sizeof(buf),"%d - RF/8",id); break; case 1: - sprintf(retStr,"%d - RF/16",id); + snprintf(retStr,sizeof(buf),"%d - RF/16",id); break; case 2: - sprintf(retStr,"%d - RF/32",id); + snprintf(retStr,sizeof(buf),"%d - RF/32",id); break; case 3: - sprintf(retStr,"%d - RF/40",id); + snprintf(retStr,sizeof(buf),"%d - RF/40",id); break; case 4: - sprintf(retStr,"%d - RF/50",id); + snprintf(retStr,sizeof(buf),"%d - RF/50",id); break; case 5: - sprintf(retStr,"%d - RF/64",id); + snprintf(retStr,sizeof(buf),"%d - RF/64",id); break; case 6: - sprintf(retStr,"%d - RF/100",id); + snprintf(retStr,sizeof(buf),"%d - RF/100",id); break; case 7: - sprintf(retStr,"%d - RF/128",id); + snprintf(retStr,sizeof(buf),"%d - RF/128",id); break; default: - sprintf(retStr,"%d - (Unknown)",id); + snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); break; } @@ -963,59 +932,60 @@ char * GetSaferStr(uint32_t id){ static char buf[40]; char *retStr = buf; - sprintf(retStr,"%d",id); + snprintf(retStr,sizeof(buf),"%d",id); if (id == 6) { - sprintf(retStr,"%d - passwd",id); + snprintf(retStr,sizeof(buf),"%d - passwd",id); } if (id == 9 ){ - sprintf(retStr,"%d - testmode",id); + snprintf(retStr,sizeof(buf),"%d - testmode",id); } return buf; } + char * GetModulationStr( uint32_t id){ - static char buf[40]; + static char buf[60]; char *retStr = buf; switch (id){ case 0: - sprintf(retStr,"%d - DIRECT (ASK/NRZ)",id); + snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id); break; case 1: - sprintf(retStr,"%d - PSK 1 phase change when input changes",id); + snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id); break; case 2: - sprintf(retStr,"%d - PSK 2 phase change on bitclk if input high",id); + snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id); break; case 3: - sprintf(retStr,"%d - PSK 3 phase change on rising edge of input",id); + snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id); break; case 4: - sprintf(retStr,"%d - FSK 1 RF/8 RF/5",id); + snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id); break; case 5: - sprintf(retStr,"%d - FSK 2 RF/8 RF/10",id); + snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id); break; case 6: - sprintf(retStr,"%d - FSK 1a RF/5 RF/8",id); + snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id); break; case 7: - sprintf(retStr,"%d - FSK 2a RF/10 RF/8",id); + snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id); break; case 8: - sprintf(retStr,"%d - Manschester",id); + snprintf(retStr,sizeof(buf),"%d - Manchester",id); break; case 16: - sprintf(retStr,"%d - Biphase",id); + snprintf(retStr,sizeof(buf),"%d - Biphase",id); break; case 0x18: - sprintf(retStr,"%d - Biphase a",id); + snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id); break; case 17: - sprintf(retStr,"%d - Reserved",id); + snprintf(retStr,sizeof(buf),"%d - Reserved",id); break; default: - sprintf(retStr,"0x%02X (Unknown)",id); + snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id); break; } return buf; @@ -1026,55 +996,55 @@ char * GetModelStrFromCID(uint32_t cid){ static char buf[10]; char *retStr = buf; - if (cid == 1) sprintf(retStr,"ATA5577M1"); - if (cid == 2) sprintf(retStr,"ATA5577M2"); + if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1"); + if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2"); return buf; } char * GetSelectedModulationStr( uint8_t id){ - static char buf[16]; + static char buf[20]; char *retStr = buf; switch (id){ case DEMOD_FSK: - sprintf(retStr,"FSK"); + snprintf(retStr,sizeof(buf),"FSK"); break; case DEMOD_FSK1: - sprintf(retStr,"FSK1"); + snprintf(retStr,sizeof(buf),"FSK1"); break; case DEMOD_FSK1a: - sprintf(retStr,"FSK1a"); + snprintf(retStr,sizeof(buf),"FSK1a"); break; case DEMOD_FSK2: - sprintf(retStr,"FSK2"); + snprintf(retStr,sizeof(buf),"FSK2"); break; case DEMOD_FSK2a: - sprintf(retStr,"FSK2a"); + snprintf(retStr,sizeof(buf),"FSK2a"); break; case DEMOD_ASK: - sprintf(retStr,"ASK"); + snprintf(retStr,sizeof(buf),"ASK"); break; case DEMOD_NRZ: - sprintf(retStr,"DIRECT/NRZ"); + snprintf(retStr,sizeof(buf),"DIRECT/NRZ"); break; case DEMOD_PSK1: - sprintf(retStr,"PSK1"); + snprintf(retStr,sizeof(buf),"PSK1"); break; case DEMOD_PSK2: - sprintf(retStr,"PSK2"); + snprintf(retStr,sizeof(buf),"PSK2"); break; case DEMOD_PSK3: - sprintf(retStr,"PSK3"); + snprintf(retStr,sizeof(buf),"PSK3"); break; case DEMOD_BI: - sprintf(retStr,"BIPHASE"); + snprintf(retStr,sizeof(buf),"BIPHASE"); break; case DEMOD_BIa: - sprintf(retStr,"BIPHASEa"); + snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)"); break; default: - sprintf(retStr,"(Unknown)"); + snprintf(retStr,sizeof(buf),"(Unknown)"); break; } return buf;