X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/2d99d9912c430b09c8178c9154a44a99e7ee6561..f75b313b002369372bc97066a90a1593ebc2e25c:/client/cmdlfem4x.c?ds=sidebyside diff --git a/client/cmdlfem4x.c b/client/cmdlfem4x.c index 2d1600f6..f9103126 100644 --- a/client/cmdlfem4x.c +++ b/client/cmdlfem4x.c @@ -63,6 +63,20 @@ int CmdEM410xRead(const char *Cmd) return 1; } +int usage_lf_em410x_sim(void) { + PrintAndLog("Simulating EM410x tag"); + PrintAndLog(""); + PrintAndLog("Usage: lf em 410xsim [h] "); + PrintAndLog("Options:"); + PrintAndLog(" h - this help"); + PrintAndLog(" uid - uid (10 HEX symbols)"); + PrintAndLog(" clock - clock (32|64) (optional)"); + PrintAndLog("samples:"); + PrintAndLog(" lf em 410xsim 0F0368568B"); + PrintAndLog(" lf em 410xsim 0F0368568B 32"); + return 0; +} + // emulate an EM410X tag int CmdEM410xSim(const char *Cmd) { @@ -71,12 +85,7 @@ int CmdEM410xSim(const char *Cmd) char cmdp = param_getchar(Cmd, 0); uint8_t uid[5] = {0x00}; - if (cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: lf em4x em410xsim "); - PrintAndLog(""); - PrintAndLog(" sample: lf em4x em410xsim 0F0368568B"); - return 0; - } + if (cmdp == 'h' || cmdp == 'H') return usage_lf_em410x_sim(); /* clock is 64 in EM410x tags */ uint8_t clock = 64; @@ -174,7 +183,7 @@ int CmdEM410xWrite(const char *Cmd) int card = 0xFF; // invalid card value unsigned int clock = 0; // invalid clock value - sscanf(Cmd, "%" PRIx64 " %d %d", &id, &card, &clock); + sscanf(Cmd, "%" SCNx64 " %d %d", &id, &card, &clock); // Check ID if (id == 0xFFFFFFFFFFFFFFFF) { @@ -228,6 +237,7 @@ int CmdEM410xWrite(const char *Cmd) return 0; } +//**************** Start of EM4x50 Code ************************ bool EM_EndParityTest(uint8_t *BitStream, size_t size, uint8_t rows, uint8_t cols, uint8_t pType) { if (rows*cols>size) return false; @@ -499,186 +509,157 @@ int CmdEM4x50Read(const char *Cmd) return EM4x50Read(Cmd, true); } +//**************** Start of EM4x05/EM4x69 Code ************************ int usage_lf_em_read(void) { PrintAndLog("Read EM4x05/EM4x69. Tag must be on antenna. "); PrintAndLog(""); - PrintAndLog("Usage: lf em readword [h]
"); + PrintAndLog("Usage: lf em 4x05readword [h]
"); PrintAndLog("Options:"); PrintAndLog(" h - this help"); PrintAndLog(" address - memory address to read. (0-15)"); PrintAndLog(" pwd - password (hex) (optional)"); PrintAndLog("samples:"); - PrintAndLog(" lf em readword 1"); - PrintAndLog(" lf em readword 1 11223344"); + PrintAndLog(" lf em 4x05readword 1"); + PrintAndLog(" lf em 4x05readword 1 11223344"); return 0; } -//search for given preamble in given BitStream and return success=1 or fail=0 and startIndex -uint8_t EMpreambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t size, size_t *startIdx) { - // Sanity check. If preamble length is bigger than bitstream length. - if ( size <= pLen ) return 0; - // em only sends preamble once, so look for it once in the first x bits - uint8_t foundCnt = 0; - for (size_t idx = 0; idx < size - pLen; idx++){ - if (memcmp(BitStream+idx, preamble, pLen) == 0){ - //first index found - foundCnt++; - if (foundCnt == 1) { - if (g_debugMode) PrintAndLog("DEBUG: preamble found at %u", idx); - *startIdx = idx; - return 1; - } +// for command responses from em4x05 or em4x69 +// download samples from device and copy them to the Graphbuffer +bool downloadSamplesEM() { + // 8 bit preamble + 32 bit word response (max clock (128) * 40bits = 5120 samples) + uint8_t got[6000]; + GetFromBigBuf(got, sizeof(got), 0); + if ( !WaitForResponseTimeout(CMD_ACK, NULL, 4000) ) { + PrintAndLog("command execution time out"); + return false; + } + setGraphBuf(got, sizeof(got)); + return true; +} + +bool EM4x05testDemodReadData(uint32_t *word, bool readCmd) { + // em4x05/em4x69 command response preamble is 00001010 + // skip first two 0 bits as they might have been missed in the demod + uint8_t preamble[] = {0,0,1,0,1,0}; + size_t startIdx = 0; + + // set size to 20 to only test first 14 positions for the preamble or less if not a read command + size_t size = (readCmd) ? 20 : 11; + // sanity check + size = (size > DemodBufferLen) ? DemodBufferLen : size; + // test preamble + if ( !preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx, true) ) { + if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305 preamble not found :: %d", startIdx); + return false; + } + // if this is a readword command, get the read bytes and test the parities + if (readCmd) { + if (!EM_EndParityTest(DemodBuffer + startIdx + sizeof(preamble), 45, 5, 9, 0)) { + if (g_debugMode) PrintAndLog("DEBUG: Error - End Parity check failed"); + return false; } + // test for even parity bits and remove them. (leave out the end row of parities so 36 bits) + if ( removeParity(DemodBuffer, startIdx + sizeof(preamble),9,0,36) == 0 ) { + if (g_debugMode) PrintAndLog("DEBUG: Error - Parity not detected"); + return false; + } + + setDemodBuf(DemodBuffer, 32, 0); + *word = bytebits_to_byteLSBF(DemodBuffer, 32); } - return 0; + return true; } // FSK, PSK, ASK/MANCHESTER, ASK/BIPHASE, ASK/DIPHASE // should cover 90% of known used configs // the rest will need to be manually demoded for now... -int demodEM4x05resp(uint8_t bitsNeeded) { +int demodEM4x05resp(uint32_t *word, bool readCmd) { int ans = 0; - bool demodFound = false; - DemodBufferLen = 0x00; - // skip first two 0 bits as they might have been missed in the demod - uint8_t preamble[6] = {0,0,1,0,1,0}; - size_t startIdx = 0; // test for FSK wave (easiest to 99% ID) - if (GetFskClock("", FALSE, FALSE)) { + if (GetFskClock("", false, false)) { //valid fsk clocks found ans = FSKrawDemod("0 0", false); if (!ans) { - if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: FSK Demod failed"); + if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: FSK Demod failed, ans: %d", ans); } else { - // set size to 10 to only test first 4 positions for the preamble - size_t size = (10 > DemodBufferLen) ? DemodBufferLen : 10; - startIdx = 0; - - if (g_debugMode) PrintAndLog("ANS: %d | %u | %u", ans, startIdx, size); - - uint8_t errChk = EMpreambleSearch(DemodBuffer, preamble, sizeof(preamble), size, &startIdx); - if ( errChk == 0) { - if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305 preamble not found :: %d", startIdx); - } else { - //can't test size because the preamble doesn't repeat :( - //meaning chances of false positives are high. - demodFound = true; + if (EM4x05testDemodReadData(word, readCmd)) { + return 1; } } } // PSK clocks should be easy to detect ( but difficult to demod a non-repeating pattern... ) - if (!demodFound) { - ans = GetPskClock("", FALSE, FALSE); - if (ans>0) { - PrintAndLog("PSK response possibly found, run `data rawd p1` to attempt to demod"); - } - } - - // more common than biphase - if (!demodFound) { - DemodBufferLen = 0x00; - bool stcheck = false; - // try manchester - NOTE: ST only applies to T55x7 tags. - ans = ASKDemod_ext("0,0,1", false, false, 1, &stcheck); + ans = GetPskClock("", false, false); + if (ans>0) { + //try psk1 + ans = PSKDemod("0 0 6", false); if (!ans) { - if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: ASK/Manchester Demod failed"); + if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: PSK1 Demod failed, ans: %d", ans); } else { - // set size to 10 to only test first 4 positions for the preamble - size_t size = (10 > DemodBufferLen) ? DemodBufferLen : 10; - startIdx = 0; - - if (g_debugMode) PrintAndLog("ANS: %d | %u | %u", ans, startIdx, size); - - uint8_t errChk = EMpreambleSearch(DemodBuffer, preamble, sizeof(preamble), size, &startIdx); - if ( errChk == 0) { - if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305 preamble not found :: %d", startIdx); + if (EM4x05testDemodReadData(word, readCmd)) { + return 1; } else { - //can't test size because the preamble doesn't repeat :( - //meaning chances of false positives are high. - demodFound = true; + //try psk2 + psk1TOpsk2(DemodBuffer, DemodBufferLen); + if (EM4x05testDemodReadData(word, readCmd)) { + return 1; + } } - } - } - - if (!demodFound) { - DemodBufferLen = 0x00; - //try biphase - ans = ASKbiphaseDemod("0 0 1", FALSE); - if (!ans) { - if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: ASK/biphase Demod failed"); - } else { - // set size to 10 to only test first 4 positions for the preamble - size_t size = (10 > DemodBufferLen) ? DemodBufferLen : 10; - startIdx = 0; - - if (g_debugMode) PrintAndLog("ANS: %d | %u | %u", ans, startIdx, size); - - uint8_t errChk = EMpreambleSearch(DemodBuffer, preamble, sizeof(preamble), size, &startIdx); - if ( errChk == 0) { - if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305 preamble not found :: %d", startIdx); + //try psk1 inverted + ans = PSKDemod("0 1 6", false); + if (!ans) { + if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: PSK1 Demod failed, ans: %d", ans); } else { - //can't test size because the preamble doesn't repeat :( - //meaning chances of false positives are high. - demodFound = true; + if (EM4x05testDemodReadData(word, readCmd)) { + return 1; + } else { + //try psk2 + psk1TOpsk2(DemodBuffer, DemodBufferLen); + if (EM4x05testDemodReadData(word, readCmd)) { + return 1; + } + } } } } - if (!demodFound) { - DemodBufferLen = 0x00; - //try diphase (differential biphase or inverted) - ans = ASKbiphaseDemod("0 1 1", FALSE); - if (!ans) { - if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: ASK/biphase Demod failed"); - } else { - // set size to 10 to only test first 4 positions for the preamble - size_t size = (10 > DemodBufferLen) ? DemodBufferLen : 10; - startIdx = 0; - - if (g_debugMode) PrintAndLog("ANS: %d | %u | %u", ans, startIdx, size); + // manchester is more common than biphase... try first + bool stcheck = false; + // try manchester - NOTE: ST only applies to T55x7 tags. + ans = ASKDemod_ext("0,0,1", false, false, 1, &stcheck); + if (!ans) { + if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: ASK/Manchester Demod failed, ans: %d", ans); + } else { + if (EM4x05testDemodReadData(word, readCmd)) { + return 1; + } + } - uint8_t errChk = EMpreambleSearch(DemodBuffer, preamble, sizeof(preamble), size, &startIdx); - if ( errChk == 0) { - if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305 preamble not found :: %d", startIdx); - } else { - //can't test size because the preamble doesn't repeat :( - //meaning chances of false positives are high. - demodFound = true; - } + //try biphase + ans = ASKbiphaseDemod("0 0 1", false); + if (!ans) { + if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: ASK/biphase Demod failed, ans: %d", ans); + } else { + if (EM4x05testDemodReadData(word, readCmd)) { + return 1; } } - if (demodFound && bitsNeeded < DemodBufferLen) { - if (bitsNeeded > 0) { - setDemodBuf(DemodBuffer + startIdx + sizeof(preamble), bitsNeeded, 0); - CmdPrintDemodBuff("x"); + //try diphase (differential biphase or inverted) + ans = ASKbiphaseDemod("0 1 1", false); + if (!ans) { + if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: ASK/biphase Demod failed, ans: %d", ans); + } else { + if (EM4x05testDemodReadData(word, readCmd)) { + return 1; } - return 1; } + return -1; } -int CmdReadWord(const char *Cmd) { - int addr, pwd; - bool usePwd = false; - uint8_t ctmp = param_getchar(Cmd, 0); - if ( strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_read(); - - addr = param_get8ex(Cmd, 0, -1, 10); - pwd = param_get32ex(Cmd, 1, -1, 16); - - if ( (addr > 15) || (addr < 0 ) || ( addr == -1) ) { - PrintAndLog("Address must be between 0 and 15"); - return 1; - } - if ( pwd == -1 ) - PrintAndLog("Reading address %d", addr); - else { - usePwd = true; - PrintAndLog("Reading address %d | password %08X", addr, pwd); - } - +int EM4x05ReadWord_ext(uint8_t addr, uint32_t pwd, bool usePwd, uint32_t *wordData) { UsbCommand c = {CMD_EM4X_READ_WORD, {addr, pwd, usePwd}}; clearCommandBuffer(); SendCommand(&c); @@ -687,60 +668,132 @@ int CmdReadWord(const char *Cmd) { PrintAndLog("Command timed out"); return -1; } - - uint8_t got[6000]; - GetFromBigBuf(got, sizeof(got), 0); - if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2500) ) { - PrintAndLog("command execution time out"); + if ( !downloadSamplesEM() ) { return -1; } - setGraphBuf(got, sizeof(got)); int testLen = (GraphTraceLen < 1000) ? GraphTraceLen : 1000; if (graphJustNoise(GraphBuffer, testLen)) { PrintAndLog("no tag not found"); return -1; } - //attempt demod: - //need 32 bits from a read word - return demodEM4x05resp(44); + return demodEM4x05resp(wordData, true); +} + +int EM4x05ReadWord(uint8_t addr, uint32_t pwd, bool usePwd) { + uint32_t wordData = 0; + int success = EM4x05ReadWord_ext(addr, pwd, usePwd, &wordData); + if (success == 1) + PrintAndLog("%s Address %02d | %08X", (addr>13) ? "Lock":" Got",addr,wordData); + else + PrintAndLog("Read Address %02d | failed",addr); + + return success; +} + +int CmdEM4x05ReadWord(const char *Cmd) { + uint8_t addr; + uint32_t pwd; + bool usePwd = false; + uint8_t ctmp = param_getchar(Cmd, 0); + if ( strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_read(); + + addr = param_get8ex(Cmd, 0, 50, 10); + // for now use default input of 1 as invalid (unlikely 1 will be a valid password...) + pwd = param_get32ex(Cmd, 1, 1, 16); + + if ( (addr > 15) ) { + PrintAndLog("Address must be between 0 and 15"); + return 1; + } + if ( pwd == 1 ) { + PrintAndLog("Reading address %02u", addr); + } else { + usePwd = true; + PrintAndLog("Reading address %02u | password %08X", addr, pwd); + } + + return EM4x05ReadWord(addr, pwd, usePwd); +} + +int usage_lf_em_dump(void) { + PrintAndLog("Dump EM4x05/EM4x69. Tag must be on antenna. "); + PrintAndLog(""); + PrintAndLog("Usage: lf em 4x05dump [h] "); + PrintAndLog("Options:"); + PrintAndLog(" h - this help"); + PrintAndLog(" pwd - password (hex) (optional)"); + PrintAndLog("samples:"); + PrintAndLog(" lf em 4x05dump"); + PrintAndLog(" lf em 4x05dump 11223344"); + return 0; +} + +int CmdEM4x05dump(const char *Cmd) { + uint8_t addr = 0; + uint32_t pwd; + bool usePwd = false; + uint8_t ctmp = param_getchar(Cmd, 0); + if ( ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_dump(); + + // for now use default input of 1 as invalid (unlikely 1 will be a valid password...) + pwd = param_get32ex(Cmd, 0, 1, 16); + + if ( pwd != 1 ) { + usePwd = true; + } + int success = 1; + for (; addr < 16; addr++) { + if (addr == 2) { + if (usePwd) { + PrintAndLog(" PWD Address %02u | %08X",addr,pwd); + } else { + PrintAndLog(" PWD Address 02 | cannot read"); + } + } else { + success &= EM4x05ReadWord(addr, pwd, usePwd); + } + } + + return success; } + int usage_lf_em_write(void) { PrintAndLog("Write EM4x05/EM4x69. Tag must be on antenna. "); PrintAndLog(""); - PrintAndLog("Usage: lf em writeword [h]
"); + PrintAndLog("Usage: lf em 4x05writeword [h]
"); PrintAndLog("Options:"); PrintAndLog(" h - this help"); PrintAndLog(" address - memory address to write to. (0-15)"); PrintAndLog(" data - data to write (hex)"); PrintAndLog(" pwd - password (hex) (optional)"); PrintAndLog("samples:"); - PrintAndLog(" lf em writeword 1"); - PrintAndLog(" lf em writeword 1 deadc0de 11223344"); + PrintAndLog(" lf em 4x05writeword 1"); + PrintAndLog(" lf em 4x05writeword 1 deadc0de 11223344"); return 0; } -int CmdWriteWord(const char *Cmd) { +int CmdEM4x05WriteWord(const char *Cmd) { uint8_t ctmp = param_getchar(Cmd, 0); if ( strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_write(); bool usePwd = false; - int addr = 16; // default to invalid address - int data = 0xFFFFFFFF; // default to blank data - int pwd = 0xFFFFFFFF; // default to blank password + uint8_t addr = 16; // default to invalid address + uint32_t data = 0xFFFFFFFF; // default to blank data + uint32_t pwd = 0xFFFFFFFF; // default to blank password - addr = param_get8ex(Cmd, 0, -1, 10); - data = param_get32ex(Cmd, 1, -1, 16); - pwd = param_get32ex(Cmd, 2, -1, 16); + addr = param_get8ex(Cmd, 0, 16, 10); + data = param_get32ex(Cmd, 1, 0, 16); + pwd = param_get32ex(Cmd, 2, 1, 16); - if ( (addr > 15) || (addr < 0 ) || ( addr == -1) ) { + if ( (addr > 15) ) { PrintAndLog("Address must be between 0 and 15"); return 1; } - if ( pwd == -1 ) + if ( pwd == 1 ) PrintAndLog("Writing address %d data %08X", addr, data); else { usePwd = true; @@ -753,93 +806,200 @@ int CmdWriteWord(const char *Cmd) { clearCommandBuffer(); SendCommand(&c); UsbCommand resp; - if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){ + if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)){ PrintAndLog("Error occurred, device did not respond during write operation."); return -1; } - //get response if there is one - uint8_t got[6000]; // 8 bit preamble + 32 bit word response (max clock (128) * 40bits = 5120 samples) - GetFromBigBuf(got, sizeof(got), 0); - if ( !WaitForResponseTimeout(CMD_ACK, NULL, 8000) ) { - PrintAndLog("command execution time out"); - return 0; + if ( !downloadSamplesEM() ) { + return -1; } - setGraphBuf(got, sizeof(got)); - //todo: check response for 00001010 then write data for write confirmation! - + //check response for 00001010 for write confirmation! //attempt demod: - //need 0 bits demoded (after preamble) to verify write cmd - int result = demodEM4x05resp(0); + uint32_t dummy = 0; + int result = demodEM4x05resp(&dummy,false); if (result == 1) { PrintAndLog("Write Verified"); + } else { + PrintAndLog("Write could not be verified"); } return result; } -/* -int CmdWriteWord(const char *Cmd) -{ - int Word = 16; //default to invalid block - int Data = 0xFFFFFFFF; //default to blank data - UsbCommand c; - - sscanf(Cmd, "%x %d", &Data, &Word); - - if (Word > 15) { - PrintAndLog("Word must be between 0 and 15"); - return 1; +void printEM4x05config(uint32_t wordData) { + uint16_t datarate = (((wordData & 0x3F)+1)*2); + uint8_t encoder = ((wordData >> 6) & 0xF); + char enc[14]; + memset(enc,0,sizeof(enc)); + + uint8_t PSKcf = (wordData >> 10) & 0x3; + char cf[10]; + memset(cf,0,sizeof(cf)); + uint8_t delay = (wordData >> 12) & 0x3; + char cdelay[33]; + memset(cdelay,0,sizeof(cdelay)); + uint8_t LWR = (wordData >> 14) & 0xF; //last word read + + switch (encoder) { + case 0: snprintf(enc,sizeof(enc),"NRZ"); break; + case 1: snprintf(enc,sizeof(enc),"Manchester"); break; + case 2: snprintf(enc,sizeof(enc),"Biphase"); break; + case 3: snprintf(enc,sizeof(enc),"Miller"); break; + case 4: snprintf(enc,sizeof(enc),"PSK1"); break; + case 5: snprintf(enc,sizeof(enc),"PSK2"); break; + case 6: snprintf(enc,sizeof(enc),"PSK3"); break; + case 7: snprintf(enc,sizeof(enc),"Unknown"); break; + case 8: snprintf(enc,sizeof(enc),"FSK1"); break; + case 9: snprintf(enc,sizeof(enc),"FSK2"); break; + default: snprintf(enc,sizeof(enc),"Unknown"); break; + } + + switch (PSKcf) { + case 0: snprintf(cf,sizeof(cf),"RF/2"); break; + case 1: snprintf(cf,sizeof(cf),"RF/8"); break; + case 2: snprintf(cf,sizeof(cf),"RF/4"); break; + case 3: snprintf(cf,sizeof(cf),"unknown"); break; + } + + switch (delay) { + case 0: snprintf(cdelay, sizeof(cdelay),"no delay"); break; + case 1: snprintf(cdelay, sizeof(cdelay),"BP/8 or 1/8th bit period delay"); break; + case 2: snprintf(cdelay, sizeof(cdelay),"BP/4 or 1/4th bit period delay"); break; + case 3: snprintf(cdelay, sizeof(cdelay),"no delay"); break; + } + PrintAndLog("ConfigWord: %08X (Word 4)\n", wordData); + PrintAndLog("Config Breakdown:", wordData); + PrintAndLog(" Data Rate: %02u | RF/%u", wordData & 0x3F, datarate); + PrintAndLog(" Encoder: %u | %s", encoder, enc); + PrintAndLog(" PSK CF: %u | %s", PSKcf, cf); + PrintAndLog(" Delay: %u | %s", delay, cdelay); + PrintAndLog(" LastWordR: %02u | Address of last word for default read", LWR); + PrintAndLog(" ReadLogin: %u | Read Login is %s", (wordData & 0x40000)>>18, (wordData & 0x40000) ? "Required" : "Not Required"); + PrintAndLog(" ReadHKL: %u | Read Housekeeping Words Login is %s", (wordData & 0x80000)>>19, (wordData & 0x80000) ? "Required" : "Not Required"); + PrintAndLog("WriteLogin: %u | Write Login is %s", (wordData & 0x100000)>>20, (wordData & 0x100000) ? "Required" : "Not Required"); + PrintAndLog(" WriteHKL: %u | Write Housekeeping Words Login is %s", (wordData & 0x200000)>>21, (wordData & 0x200000) ? "Required" : "Not Required"); + PrintAndLog(" R.A.W.: %u | Read After Write is %s", (wordData & 0x400000)>>22, (wordData & 0x400000) ? "On" : "Off"); + PrintAndLog(" Disable: %u | Disable Command is %s", (wordData & 0x800000)>>23, (wordData & 0x800000) ? "Accepted" : "Not Accepted"); + PrintAndLog(" R.T.F.: %u | Reader Talk First is %s", (wordData & 0x1000000)>>24, (wordData & 0x1000000) ? "Enabled" : "Disabled"); + PrintAndLog(" Pigeon: %u | Pigeon Mode is %s\n", (wordData & 0x4000000)>>26, (wordData & 0x4000000) ? "Enabled" : "Disabled"); +} + +void printEM4x05info(uint8_t chipType, uint8_t cap, uint16_t custCode, uint32_t serial) { + switch (chipType) { + case 9: PrintAndLog("\n Chip Type: %u | EM4305", chipType); break; + case 4: PrintAndLog(" Chip Type: %u | Unknown", chipType); break; + case 2: PrintAndLog(" Chip Type: %u | EM4469", chipType); break; + //add more here when known + default: PrintAndLog(" Chip Type: %u Unknown", chipType); break; + } + + switch (cap) { + case 3: PrintAndLog(" Cap Type: %u | 330pF",cap); break; + case 2: PrintAndLog(" Cap Type: %u | %spF",cap, (chipType==2)? "75":"210"); break; + case 1: PrintAndLog(" Cap Type: %u | 250pF",cap); break; + case 0: PrintAndLog(" Cap Type: %u | no resonant capacitor",cap); break; + default: PrintAndLog(" Cap Type: %u | unknown",cap); break; + } + + PrintAndLog(" Cust Code: %03u | %s", custCode, (custCode == 0x200) ? "Default": "Unknown"); + if (serial != 0) { + PrintAndLog("\n Serial #: %08X\n", serial); } - - PrintAndLog("Writing word %d with data %08X", Word, Data); - - c.cmd = CMD_EM4X_WRITE_WORD; - c.d.asBytes[0] = 0x0; //Normal mode - c.arg[0] = Data; - c.arg[1] = Word; - c.arg[2] = 0; - SendCommand(&c); - return 0; } -int CmdWriteWordPWD(const char *Cmd) -{ - int Word = 16; //default to invalid word - int Data = 0xFFFFFFFF; //default to blank data - int Password = 0xFFFFFFFF; //default to blank password - UsbCommand c; - - sscanf(Cmd, "%x %d %x", &Data, &Word, &Password); +void printEM4x05ProtectionBits(uint32_t wordData) { + for (uint8_t i = 0; i < 15; i++) { + PrintAndLog(" Word: %02u | %s", i, (((1 << i) & wordData ) || i < 2) ? "Is Write Locked" : "Is Not Write Locked"); + if (i==14) { + PrintAndLog(" Word: %02u | %s", i+1, (((1 << i) & wordData ) || i < 2) ? "Is Write Locked" : "Is Not Write Locked"); + } + } +} + +//quick test for EM4x05/EM4x69 tag +bool EM4x05Block0Test(uint32_t *wordData) { + if (EM4x05ReadWord_ext(0,0,false,wordData) == 1) { + return true; + } + return false; +} + +int CmdEM4x05info(const char *Cmd) { + //uint8_t addr = 0; + uint32_t pwd; + uint32_t wordData = 0; + bool usePwd = false; + uint8_t ctmp = param_getchar(Cmd, 0); + if ( ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_dump(); + + // for now use default input of 1 as invalid (unlikely 1 will be a valid password...) + pwd = param_get32ex(Cmd, 0, 1, 16); - if (Word > 15) { - PrintAndLog("Word must be between 0 and 15"); - return 1; + if ( pwd != 1 ) { + usePwd = true; } + + // read word 0 (chip info) + // block 0 can be read even without a password. + if ( !EM4x05Block0Test(&wordData) ) + return -1; - PrintAndLog("Writing word %d with data %08X and password %08X", Word, Data, Password); + uint8_t chipType = (wordData >> 1) & 0xF; + uint8_t cap = (wordData >> 5) & 3; + uint16_t custCode = (wordData >> 9) & 0x3FF; - c.cmd = CMD_EM4X_WRITE_WORD; - c.d.asBytes[0] = 0x1; //Password mode - c.arg[0] = Data; - c.arg[1] = Word; - c.arg[2] = Password; - SendCommand(&c); - return 0; + // read word 1 (serial #) doesn't need pwd + wordData = 0; + if (EM4x05ReadWord_ext(1, 0, false, &wordData) != 1) { + //failed, but continue anyway... + } + printEM4x05info(chipType, cap, custCode, wordData); + + // read word 4 (config block) + // needs password if one is set + wordData = 0; + if ( EM4x05ReadWord_ext(4, pwd, usePwd, &wordData) != 1 ) { + //failed + return 0; + } + printEM4x05config(wordData); + + // read word 14 and 15 to see which is being used for the protection bits + wordData = 0; + if ( EM4x05ReadWord_ext(14, pwd, usePwd, &wordData) != 1 ) { + //failed + return 0; + } + // if status bit says this is not the used protection word + if (!(wordData & 0x8000)) { + if ( EM4x05ReadWord_ext(15, pwd, usePwd, &wordData) != 1 ) { + //failed + return 0; + } + } + if (!(wordData & 0x8000)) { + //something went wrong + return 0; + } + printEM4x05ProtectionBits(wordData); + + return 1; } -*/ + + static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, - {"em410xdemod", CmdEMdemodASK, 0, "[findone] -- Extract ID from EM410x tag (option 0 for continuous loop, 1 for only 1 tag)"}, - {"em410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag in GraphBuffer"}, - {"em410xsim", CmdEM410xSim, 0, " [clock rate] -- Simulate EM410x tag"}, - {"em410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"}, - {"em410xspoof", CmdEM410xWatchnSpoof, 0, "['h'] --- Watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" }, - {"em410xwrite", CmdEM410xWrite, 0, " <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"}, - {"em4x50read", CmdEM4x50Read, 1, "demod data from EM4x50 tag from the graph buffer"}, - {"readword", CmdReadWord, 1, " (pwd) -- Read EM4x05/EM4x69 word data"}, - //{"readwordPWD", CmdReadWordPWD, 1, " -- Read EM4xxx word data in password mode"}, - {"writeword", CmdWriteWord, 1, " (pwd) -- Write EM4x05/EM4x69 word data"}, - //{"writewordPWD", CmdWriteWordPWD, 1, " -- Write EM4xxx word data in password mode"}, + {"410xdemod", CmdEMdemodASK, 0, "[findone] -- Extract ID from EM410x tag (option 0 for continuous loop, 1 for only 1 tag)"}, + {"410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag in GraphBuffer"}, + {"410xsim", CmdEM410xSim, 0, " [clock rate] -- Simulate EM410x tag"}, + {"410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"}, + {"410xspoof", CmdEM410xWatchnSpoof, 0, "['h'] --- Watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" }, + {"410xwrite", CmdEM410xWrite, 0, " <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"}, + {"4x05dump", CmdEM4x05dump, 0, "(pwd) -- Read EM4x05/EM4x69 all word data"}, + {"4x05info", CmdEM4x05info, 0, "(pwd) -- Get info from EM4x05/EM4x69 tag"}, + {"4x05readword", CmdEM4x05ReadWord, 0, " (pwd) -- Read EM4x05/EM4x69 word data"}, + {"4x05writeword", CmdEM4x05WriteWord, 0, " (pwd) -- Write EM4x05/EM4x69 word data"}, + {"4x50read", CmdEM4x50Read, 1, "demod data from EM4x50 tag from the graph buffer"}, {NULL, NULL, 0, NULL} };