X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/f665067919fef6bff274d5ede3c30336edef5071..cdc9a7562d70ec1b4c58841acc64150774e377b6:/client/cmdlft55xx.c diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index 37f332be..2a096cd0 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -7,31 +7,33 @@ // Low frequency T55xx commands //----------------------------------------------------------------------------- +#include "cmdlft55xx.h" + #include #include #include +#include #include -#include "proxmark3.h" +#include "comms.h" #include "ui.h" #include "graph.h" #include "cmdmain.h" #include "cmdparser.h" #include "cmddata.h" #include "cmdlf.h" -#include "cmdlft55xx.h" #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 +#include "protocols.h" -#define CONFIGURATION_BLOCK 0x00 -#define TRACE_BLOCK 0x01 +#define T55x7_CONFIGURATION_BLOCK 0x00 +#define T55x7_PAGE0 0x00 +#define T55x7_PAGE1 0x01 +//#define T55x7_PWD 0x00000010 #define REGULAR_READ_MODE_BLOCK 0xFF // Default configuration -t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00, .Q5 = FALSE }; +t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = false, .offset = 0x00, .block0 = 0x00, .Q5 = false }; t55xx_conf_block_t Get_t55xx_Config(){ return config; @@ -49,6 +51,7 @@ int usage_t55xx_config(){ 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"); @@ -76,16 +79,17 @@ int usage_t55xx_read(){ return 0; } int usage_t55xx_write(){ - PrintAndLog("Usage: lf t55xx wr [b ] [d ] [p ] [1]"); + PrintAndLog("Usage: lf t55xx write [b ] [d ] [p ] [1] [t]"); PrintAndLog("Options:"); PrintAndLog(" b - block number to write. Between 0-7"); PrintAndLog(" d - 4 bytes of data to write (8 hex characters)"); PrintAndLog(" p - OPTIONAL password 4bytes (8 hex characters)"); PrintAndLog(" 1 - OPTIONAL write Page 1 instead of Page 0"); + PrintAndLog(" t - OPTIONAL test mode write - ****DANGER****"); PrintAndLog(""); PrintAndLog("Examples:"); - PrintAndLog(" lf t55xx wr b 3 d 11223344 - write 11223344 to block 3"); - PrintAndLog(" lf t55xx wr b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef"); + PrintAndLog(" lf t55xx write b 3 d 11223344 - write 11223344 to block 3"); + PrintAndLog(" lf t55xx write b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef"); PrintAndLog(""); return 0; } @@ -124,40 +128,91 @@ int usage_t55xx_dump(){ return 0; } int usage_t55xx_detect(){ - PrintAndLog("Usage: lf t55xx detect [1]"); + PrintAndLog("Usage: lf t55xx detect [1] [p ]"); 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(" p - OPTIONAL password (8 hex characters)"); PrintAndLog(""); PrintAndLog("Examples:"); PrintAndLog(" lf t55xx detect"); PrintAndLog(" lf t55xx detect 1"); + PrintAndLog(" lf t55xx detect p 11223344"); + PrintAndLog(""); + return 0; +} +int usage_t55xx_detectP1(){ + PrintAndLog("Command: Detect Page 1 of a t55xx chip"); + PrintAndLog("Usage: lf t55xx p1detect [1] [p ]"); + PrintAndLog("Options:"); + PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag."); + PrintAndLog(" p - OPTIONAL password (8 hex characters)"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx p1detect"); + PrintAndLog(" lf t55xx p1detect 1"); + PrintAndLog(" lf t55xx p1detect p 11223344"); PrintAndLog(""); return 0; } int usage_t55xx_wakup(){ - PrintAndLog("Usage: lf t55xx wakeup [h] p "); + PrintAndLog("Usage: lf t55xx wakeup [h] "); PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards."); PrintAndLog("Options:"); PrintAndLog(" h - this help"); - PrintAndLog(" p - password 4bytes (8 hex symbols)"); + PrintAndLog(" - [required] password 4bytes (8 hex symbols)"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx wakeup 11223344 - send wakeup password"); + return 0; +} +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(" password must be 4 bytes (8 hex symbols)"); + PrintAndLog("Options:"); + PrintAndLog(" h - this help"); + PrintAndLog(" - 4 byte hex value to start pwd search at"); + PrintAndLog(" - 4 byte hex value to end pwd search at"); + PrintAndLog(" i <*.dic> - loads a default keys dictionary file <*.dic>"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx bruteforce aaaaaaaa bbbbbbbb"); + PrintAndLog(" lf t55xx bruteforce i default_pwd.dic"); + 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 wakeup p 11223344 - send wakeup password"); + 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); +void printT5xxHeader(uint8_t page){ + PrintAndLog("Reading Page %d:", page); + PrintAndLog("blk | hex data | binary"); + PrintAndLog("----+----------+---------------------------------"); +} + int CmdT55xxSetConfig(const char *Cmd) { uint8_t offset = 0; - char modulation[5] = {0x00}; + char modulation[6] = {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; - config.Q5 = FALSE; - bool errors = FALSE; + bool errors = false; while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { tmp = param_getchar(Cmd, cmdp); @@ -176,12 +231,12 @@ int CmdT55xxSetConfig(const char *Cmd) { break; } } - if (i==9) errors = TRUE; + if (i==9) errors = true; } cmdp+=2; break; case 'd': - param_getstr(Cmd, cmdp+1, modulation); + param_getstr(Cmd, cmdp+1, modulation, sizeof(modulation)); cmdp += 2; if ( strcmp(modulation, "FSK" ) == 0) { @@ -216,7 +271,7 @@ int CmdT55xxSetConfig(const char *Cmd) { config.inverted=0; } else { PrintAndLog("Unknown modulation '%s'", modulation); - errors = TRUE; + errors = true; } break; case 'i': @@ -231,12 +286,17 @@ int CmdT55xxSetConfig(const char *Cmd) { break; case 'Q': case 'q': - config.Q5 = TRUE; + config.Q5 = true; + cmdp++; + break; + case 'S': + case 's': + config.ST = true; cmdp++; break; default: PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); - errors = TRUE; + errors = true; break; } } @@ -256,7 +316,7 @@ int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32 if ( usepwd ) { // try reading the config block and verify that PWD bit is set before doing this! if ( !override ) { - if ( !AquireData(0, CONFIGURATION_BLOCK, false, 0 ) ) return 0; + if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0; if ( !tryDetectModulation() ) { PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits."); return 0; @@ -324,8 +384,8 @@ int CmdT55xxReadBlock(const char *Cmd) { PrintAndLog("Block must be between 0 and 7"); return 0; } - PrintAndLog("Reading Page %d:", page1); - PrintAndLog("blk | hex data | binary"); + + printT5xxHeader(page1); return T55xxReadBlock(block, page1, usepwd, override, password); } @@ -334,63 +394,107 @@ bool DecodeT55xxBlock(){ char buf[30] = {0x00}; char *cmdStr = buf; int ans = 0; + bool ST = config.ST; uint8_t bitRate[8] = {8,16,32,40,50,64,100,128}; DemodBufferLen = 0x00; switch( config.modulation ){ case DEMOD_FSK: snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted ); - ans = FSKrawDemod(cmdStr, FALSE); + ans = FSKrawDemod(cmdStr, false); break; case DEMOD_FSK1: case DEMOD_FSK1a: snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted ); - ans = FSKrawDemod(cmdStr, FALSE); + ans = FSKrawDemod(cmdStr, false); break; case DEMOD_FSK2: case DEMOD_FSK2a: snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted ); - ans = FSKrawDemod(cmdStr, FALSE); + ans = FSKrawDemod(cmdStr, false); break; case DEMOD_ASK: - snprintf(cmdStr, sizeof(buf),"%d %d 0", bitRate[config.bitrate], config.inverted ); - ans = ASKDemod(cmdStr, FALSE, FALSE, 1); + snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted ); + ans = ASKDemod_ext(cmdStr, false, false, 1, &ST); break; case DEMOD_PSK1: - snprintf(cmdStr, sizeof(buf),"%d %d 0", bitRate[config.bitrate], config.inverted ); - ans = PSKDemod(cmdStr, FALSE); + // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise) + save_restoreGB(GRAPH_SAVE); + CmdLtrim("160"); + snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted ); + ans = PSKDemod(cmdStr, false); + //undo trim samples + save_restoreGB(GRAPH_RESTORE); break; 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); + // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise) + save_restoreGB(GRAPH_SAVE); + CmdLtrim("160"); + snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] ); + ans = PSKDemod(cmdStr, false); psk1TOpsk2(DemodBuffer, DemodBufferLen); + //undo trim samples + save_restoreGB(GRAPH_RESTORE); break; case DEMOD_NRZ: snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted ); - ans = NRZrawDemod(cmdStr, FALSE); + ans = NRZrawDemod(cmdStr, false); break; case DEMOD_BI: case DEMOD_BIa: - snprintf(cmdStr, sizeof(buf),"0 %d %d 0", bitRate[config.bitrate], config.inverted ); - ans = ASKbiphaseDemod(cmdStr, FALSE); + snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted ); + ans = ASKbiphaseDemod(cmdStr, false); break; default: - return FALSE; + return false; } 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; + bool usepwd = false; + uint32_t password = 0; + uint8_t cmdp = 0; - char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') - return usage_t55xx_detect(); + while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { + switch(param_getchar(Cmd, cmdp)) { + case 'h': + case 'H': + return usage_t55xx_detect(); + case 'p': + case 'P': + password = param_get32ex(Cmd, cmdp+1, 0, 16); + usepwd = true; + cmdp += 2; + break; + case '1': + // use Graphbuffer data + useGB = true; + cmdp++; + break; + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = true; + break; + } + } + if (errors) return usage_t55xx_detect(); - if (strlen(Cmd)==0) - if ( !AquireData(0, CONFIGURATION_BLOCK, false, 0) ) + if ( !useGB) { + if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) ) return 0; - + } + if ( !tryDetectModulation() ) PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'"); @@ -402,136 +506,151 @@ bool tryDetectModulation(){ 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)){ - fskClocks(&fc1, &fc2, &clk, FALSE); - if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){ + uint8_t fc1 = 0, fc2 = 0, ans = 0; + int clk = 0, firstClockEdge = 0; + ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, false, &firstClockEdge); + if (ans && ((fc1==10 && fc2==8) || (fc1==8 && fc2==5))) { + 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; else if (fc1==10 && fc2 == 8) tests[hits].modulation = DEMOD_FSK2; tests[hits].bitrate = bitRate; - tests[hits].inverted = FALSE; + tests[hits].inverted = false; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; ++hits; } - if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { + if ( FSKrawDemod("0 1", 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_FSK1; else if (fc1 == 10 && fc2 == 8) tests[hits].modulation = DEMOD_FSK2a; - tests[hits].bitrate = bitRate; - tests[hits].inverted = TRUE; + tests[hits].inverted = true; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; ++hits; } } else { - clk = GetAskClock("", FALSE, FALSE); + clk = GetAskClock("", false, false); if (clk>0) { - if ( ASKDemod("0 0 0", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { + tests[hits].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; - tests[hits].inverted = FALSE; + tests[hits].inverted = false; 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, clk, &tests[hits].Q5)) { + tests[hits].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; - tests[hits].inverted = TRUE; + 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, clk, &tests[hits].Q5) ) { + if ( ASKbiphaseDemod("0 0 0 2", false) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) { tests[hits].modulation = DEMOD_BI; tests[hits].bitrate = bitRate; - tests[hits].inverted = FALSE; + tests[hits].inverted = false; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; ++hits; } - if ( ASKbiphaseDemod("0 0 1 0", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) { + if ( ASKbiphaseDemod("0 0 1 2", false) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) { tests[hits].modulation = DEMOD_BIa; tests[hits].bitrate = bitRate; - tests[hits].inverted = TRUE; + tests[hits].inverted = true; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; ++hits; } } - //undo trim from ask - save_restoreGB(0); - clk = GetNrzClock("", FALSE, FALSE); - if (clk>0) { - if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { + clk = GetNrzClock("", false, false); + if (clk>8) { //clock of rf/8 is likely a false positive, so don't use it. + if ( NRZrawDemod("0 0 1", false) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { tests[hits].modulation = DEMOD_NRZ; tests[hits].bitrate = bitRate; - tests[hits].inverted = FALSE; + tests[hits].inverted = false; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; ++hits; } - if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { + if ( NRZrawDemod("0 1 1", false) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { tests[hits].modulation = DEMOD_NRZ; tests[hits].bitrate = bitRate; - tests[hits].inverted = TRUE; + tests[hits].inverted = true; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; ++hits; } } - //undo trim from nrz - save_restoreGB(0); - clk = GetPskClock("", FALSE, FALSE); + clk = GetPskClock("", false, false); if (clk>0) { - if ( PSKDemod("0 0 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { + // allow undo + save_restoreGB(GRAPH_SAVE); + // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise) + CmdLtrim("160"); + if ( PSKDemod("0 0 6", false) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { tests[hits].modulation = DEMOD_PSK1; tests[hits].bitrate = bitRate; - tests[hits].inverted = FALSE; + tests[hits].inverted = false; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; ++hits; } - if ( PSKDemod("0 1 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { + if ( PSKDemod("0 1 6", false) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { tests[hits].modulation = DEMOD_PSK1; tests[hits].bitrate = bitRate; - tests[hits].inverted = TRUE; + tests[hits].inverted = true; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; ++hits; } // PSK2 - needs a call to psk1TOpsk2. - if ( PSKDemod("0 0 1", FALSE)) { + if ( PSKDemod("0 0 6", false)) { psk1TOpsk2(DemodBuffer, DemodBufferLen); if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){ tests[hits].modulation = DEMOD_PSK2; tests[hits].bitrate = bitRate; - tests[hits].inverted = FALSE; + tests[hits].inverted = false; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; ++hits; } } // inverse waves does not affect this demod // PSK3 - needs a call to psk1TOpsk2. - if ( PSKDemod("0 0 1", FALSE)) { + if ( PSKDemod("0 0 6", false)) { psk1TOpsk2(DemodBuffer, DemodBufferLen); if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){ tests[hits].modulation = DEMOD_PSK3; tests[hits].bitrate = bitRate; - tests[hits].inverted = FALSE; + tests[hits].inverted = false; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; ++hits; } } // inverse waves does not affect this demod + //undo trim samples + save_restoreGB(GRAPH_RESTORE); } - } + } 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; + config.Q5 = tests[0].Q5; + config.ST = tests[0].ST; printConfiguration( config ); - return TRUE; + return true; } if ( hits > 1) { @@ -541,112 +660,121 @@ bool tryDetectModulation(){ printConfiguration( tests[i] ); } } - return FALSE; + return false; } bool testModulation(uint8_t mode, uint8_t modread){ switch( mode ){ case DEMOD_FSK: - if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return TRUE; + if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return true; break; case DEMOD_ASK: - if (modread == DEMOD_ASK) return TRUE; + if (modread == DEMOD_ASK) return true; break; case DEMOD_PSK1: - if (modread == DEMOD_PSK1) return TRUE; + if (modread == DEMOD_PSK1) return true; break; case DEMOD_PSK2: - if (modread == DEMOD_PSK2) return TRUE; + if (modread == DEMOD_PSK2) return true; break; case DEMOD_PSK3: - if (modread == DEMOD_PSK3) return TRUE; + if (modread == DEMOD_PSK3) return true; break; case DEMOD_NRZ: - if (modread == DEMOD_NRZ) return TRUE; + if (modread == DEMOD_NRZ) return true; break; case DEMOD_BI: - if (modread == DEMOD_BI) return TRUE; + if (modread == DEMOD_BI) return true; break; case DEMOD_BIa: - if (modread == DEMOD_BIa) return TRUE; + if (modread == DEMOD_BIa) return true; break; default: - return FALSE; + return false; } - return FALSE; + return false; } bool testQ5Modulation(uint8_t mode, uint8_t modread){ switch( mode ){ case DEMOD_FSK: - if (modread >= 4 && modread <= 5) return TRUE; + if (modread >= 4 && modread <= 5) return true; break; case DEMOD_ASK: - if (modread == 0) return TRUE; + if (modread == 0) return true; break; case DEMOD_PSK1: - if (modread == 1) return TRUE; + if (modread == 1) return true; break; case DEMOD_PSK2: - if (modread == 2) return TRUE; + if (modread == 2) return true; break; case DEMOD_PSK3: - if (modread == 3) return TRUE; + if (modread == 3) return true; break; case DEMOD_NRZ: - if (modread == 7) return TRUE; + if (modread == 7) return true; break; case DEMOD_BI: - if (modread == 6) return TRUE; + if (modread == 6) return true; break; default: - return FALSE; + return false; } - return FALSE; + 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; + if ( DemodBufferLen < 64 ) return false; uint8_t si = 0; - for (uint8_t idx = 0; idx < 64; idx++){ + for (uint8_t idx = 28; idx < 64; idx++){ si = idx; - if ( PackBits(si, 32, DemodBuffer) == 0x00 ) continue; + if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue; uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8; // 2nibble must be zeroed. - // moved test to here, since this gets most faults first. - 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 - if (bitRate > 128) continue; + int bitRate = PackBits(si, 6, DemodBuffer)*2 + 2; si += 6; //bit rate + if (bitRate > 128 || bitRate < 8) continue; - si += 1+1+2+1; - //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode + //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1; //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1; //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1; - uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3; //bit 24, 30, 31 could be tested for 0 if not extended mode - //uint8_t maxBlk = PackBits(si, 2, DemodBuffer); si += 2; + si += 1+1+2+1; + uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3; + uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3; //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1; - + if (maxBlk == 0) continue; //test modulation if (!testQ5Modulation(mode, modread)) continue; if (bitRate != clk) continue; - *fndBitRate = bitRate; + *fndBitRate = convertQ5bitRate(bitRate); + if (*fndBitRate < 0) continue; *offset = idx; - return TRUE; + return true; } - return FALSE; + return false; } bool testBitRate(uint8_t readRate, uint8_t clk){ - uint8_t expected[8] = {8, 16, 32, 40, 50, 64, 100, 128}; + uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128}; if (expected[readRate] == clk) return true; @@ -655,11 +783,11 @@ bool testBitRate(uint8_t readRate, uint8_t clk){ bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){ - if ( DemodBufferLen < 64 ) return FALSE; + if ( DemodBufferLen < 64 ) return false; uint8_t si = 0; - for (uint8_t idx = 0; idx < 64; idx++){ + for (uint8_t idx = 28; idx < 64; idx++){ si = idx; - if ( PackBits(si, 32, DemodBuffer) == 0x00 ) continue; + if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue; 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 @@ -667,34 +795,35 @@ bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5) // moved test to here, since this gets most faults first. if ( resv > 0x00) continue; - 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; + int bitRate = PackBits(si, 6, DemodBuffer); si += 6; //bit rate (includes extended mode part of rate) uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 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; + //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 - bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE; + bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? true : false; + + if (!extMode) { + if (bitRate > 7) continue; + if (!testBitRate(bitRate, clk)) continue; + } else { //extended mode bitrate = same function to calc bitrate as em4x05 + if (EM4x05_GET_BITRATE(bitRate) != clk) continue; - if (!extMode){ - if (nml01 || nml02 || xtRate) continue; } //test modulation if (!testModulation(mode, modread)) continue; - if (!testBitRate(bitRate, clk)) continue; *fndBitRate = bitRate; *offset = idx; - *Q5 = FALSE; - return TRUE; + *Q5 = false; + return true; } if (testQ5(mode, offset, fndBitRate, clk)) { - *Q5 = TRUE; - return TRUE; + *Q5 = true; + return true; } - return FALSE; + return false; } void printT55xxBlock(const char *blockNum){ @@ -715,6 +844,7 @@ void printT55xxBlock(const char *blockNum){ bits[i - config.offset]=DemodBuffer[i]; blockData = PackBits(0, 32, bits); + PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32)); } @@ -740,9 +870,10 @@ int special(const char *Cmd) { int printConfiguration( t55xx_conf_block_t b){ PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7"); PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) ); - PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) ); + PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate, (b.block0 & T55x7_X_MODE && (b.block0>>28==6 || b.block0>>28==9))) ); PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" ); PrintAndLog("Offset : %d", b.offset); + PrintAndLog("Seq. Term. : %s", (b.ST) ? "Yes" : "No" ); PrintAndLog("Block0 : 0x%08X", b.block0); PrintAndLog(""); return 0; @@ -750,26 +881,11 @@ int printConfiguration( t55xx_conf_block_t b){ int CmdT55xxWakeUp(const char *Cmd) { uint32_t password = 0; - uint8_t cmdp = 0; - bool errors = true; - while(param_getchar(Cmd, cmdp) != 0x00) { - switch(param_getchar(Cmd, cmdp)) { - case 'h': - case 'H': - return usage_t55xx_wakup(); - case 'p': - case 'P': - password = param_get32ex(Cmd, cmdp+1, 0xFFFFFFFF, 16); - cmdp += 2; - errors = false; - break; - default: - PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); - errors = true; - break; - } - } - if (errors) return usage_t55xx_wakup(); + if ( strlen(Cmd) <= 0 ) return usage_t55xx_wakup(); + char cmdp = param_getchar(Cmd, 0); + if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wakup(); + + password = param_get32ex(Cmd, 0, 0, 16); UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}}; clearCommandBuffer(); @@ -780,11 +896,12 @@ int CmdT55xxWakeUp(const char *Cmd) { int CmdT55xxWriteBlock(const char *Cmd) { uint8_t block = 0xFF; //default to invalid block - uint32_t data = 0xFFFFFFFF; //default to blank Block - uint32_t password = 0xFFFFFFFF; //default to blank Block 7 + uint32_t data = 0; //default to blank Block + uint32_t password = 0; //default to blank Block 7 bool usepwd = false; bool page1 = false; bool gotdata = false; + bool testMode = false; bool errors = false; uint8_t cmdp = 0; while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { @@ -809,6 +926,11 @@ int CmdT55xxWriteBlock(const char *Cmd) { usepwd = true; cmdp += 2; break; + case 't': + case 'T': + testMode = true; + cmdp++; + break; case '1': page1 = true; cmdp++; @@ -829,14 +951,17 @@ int CmdT55xxWriteBlock(const char *Cmd) { UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}}; UsbCommand resp; c.d.asBytes[0] = (page1) ? 0x2 : 0; + c.d.asBytes[0] |= (testMode) ? 0x4 : 0; + + char pwdStr[16] = {0}; + snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password); - PrintAndLog("Writing to page: %d block: %d data : 0x%08X", page1, block, data); + PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" ); //Password mode if (usepwd) { c.arg[2] = password; c.d.asBytes[0] |= 0x1; - PrintAndLog("pwd : 0x%08X", password); } clearCommandBuffer(); SendCommand(&c); @@ -855,60 +980,109 @@ int CmdT55xxReadTrace(const char *Cmd) { return usage_t55xx_trace(); if (strlen(Cmd)==0) - if ( !AquireData( TRACE_BLOCK, REGULAR_READ_MODE_BLOCK, pwdmode, password ) ) + 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 @@ -926,10 +1100,36 @@ 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. @@ -944,11 +1144,12 @@ int CmdT55xxInfo(const char *Cmd){ return usage_t55xx_info(); if (strlen(Cmd)==0) - if ( !AquireData( 0, CONFIGURATION_BLOCK, pwdmode, password ) ) + if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) ) return 1; if (!DecodeT55xxBlock()) return 1; + // too little space to start with if ( DemodBufferLen < 32) return 1; uint8_t si = config.offset; @@ -968,13 +1169,14 @@ 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 *** Info read off a Q5 will not work as expected"); + + 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); - PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr)); + PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr, extend)); PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No"); PrintAndLog(" Modulation : %s", GetModulationStr(datamod)); PrintAndLog(" PSK clock frequency : %d", pskcf); @@ -1001,39 +1203,28 @@ int CmdT55xxDump(const char *Cmd){ bool override = false; if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump(); - bool usepwd = ( strlen(Cmd) > 0); + bool usepwd = ( strlen(Cmd) > 0); if ( usepwd ){ password = param_get32ex(Cmd, 0, 0, 16); if (param_getchar(Cmd, 1) =='o' ) override = true; } - PrintAndLog("Reading Page 0:"); - PrintAndLog("blk | hex data | binary"); - for ( uint8_t i = 0; i <8; ++i){ + printT5xxHeader(0); + for ( uint8_t i = 0; i <8; ++i) T55xxReadBlock(i, 0, usepwd, override, password); - /*memset(s,0,sizeof(s)); - if ( hasPwd ) { - if ( override ) { - sprintf(s,"b %d p %02x%02x%02x%02x o", i, pwd[0],pwd[1],pwd[2],pwd[3]); - } else { - sprintf(s,"b %d p %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]); - } - } else { - sprintf(s,"b %d", i); - } - CmdT55xxReadBlock(s);*/ - } - PrintAndLog("Reading Page 1:"); - PrintAndLog("blk | hex data | binary"); - for ( uint8_t i = 0; i<4; i++){ + + printT5xxHeader(1); + for ( uint8_t i = 0; i<4; i++) T55xxReadBlock(i, 1, usepwd, override, password); - } + return 1; } int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){ - + // arg0 bitmodes: + // bit0 = pwdmode + // bit1 = page to read from uint8_t arg0 = (page<<1) | pwdmode; UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}}; @@ -1043,52 +1234,33 @@ int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){ PrintAndLog("command execution time out"); return 0; } - - uint8_t got[12000]; - GetFromBigBuf(got,sizeof(got),0); - WaitForResponse(CMD_ACK,NULL); - setGraphBuf(got, sizeof(got)); + getSamples(12000,true); return 1; } -char * GetBitRateStr(uint32_t id){ - static char buf[25]; +char * GetBitRateStr(uint32_t id, bool xmode) { + 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; - } - + if (xmode) { //xmode bitrate calc is same as em4x05 calc + snprintf(retStr,sizeof(buf),"%d - RF/%d", id, EM4x05_GET_BITRATE(id)); + } else { + 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; @@ -1108,45 +1280,19 @@ 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; } @@ -1166,47 +1312,21 @@ 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; } @@ -1235,8 +1355,7 @@ int CmdResetRead(const char *Cmd) { } uint8_t got[BIGBUF_SIZE-1]; - GetFromBigBuf(got,sizeof(got),0); - WaitForResponse(CMD_ACK,NULL); + GetFromBigBuf(got, sizeof(got), 0, NULL, -1 , 0); setGraphBuf(got, sizeof(got)); return 1; } @@ -1244,48 +1363,362 @@ int CmdResetRead(const char *Cmd) { int CmdT55xxWipe(const char *Cmd) { char writeData[20] = {0}; char *ptrData = writeData; - uint8_t blk = 0; + + 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 %d d 00088040 p 0", blk); - if (!CmdT55xxWriteBlock(ptrData)){ - PrintAndLog("Error writing blk %d", blk); + + if ( Q5 ){ + snprintf(ptrData,sizeof(writeData),"b 0 d 6001F004 p 0"); + } else { + snprintf(ptrData,sizeof(writeData),"b 0 d 00088040 p 0"); } - blk = 1; - for (; blk<8; blk++) { + + 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); - if (!CmdT55xxWriteBlock(ptrData)){ + if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk %d", blk); + + memset(writeData, 0x00, sizeof(writeData)); + } + return 0; +} + +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 + uint32_t end_password = 0xFFFFFFFF; //end password + bool found = false; + + 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); + if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; + memcpy(filename, Cmd+2, len); + + FILE * f = fopen( filename , "r"); + + if ( !f ) { + PrintAndLog("File: %s: not found or locked.", filename); + free(keyBlock); + return 1; + } + + while( fgets(buf, sizeof(buf), f) ) { + if (strlen(buf) < 8 || buf[7] == '\n') continue; + + while (fgetc(f) != '\n' && !feof(f)) ; //goto next line + + //The line start with # is comment, skip + if( buf[0]=='#' ) continue; + + if (!isxdigit((unsigned char)buf[0])) { + PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf); + continue; + } + + buf[8] = 0; + + if ( stKeyBlock - keycnt < 2) { + p = realloc(keyBlock, 6*(stKeyBlock+=10)); + if (!p) { + PrintAndLog("Cannot allocate memory for defaultKeys"); + free(keyBlock); + fclose(f); + return 2; + } + keyBlock = p; + } + memset(keyBlock + 4 * keycnt, 0, 4); + num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt); + PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4)); + keycnt++; + memset(buf, 0, sizeof(buf)); } + fclose(f); + + if (keycnt == 0) { + PrintAndLog("No keys found in file"); + free(keyBlock); + return 1; + } + PrintAndLog("Loaded %d keys", keycnt); + + // loop + uint64_t testpwd = 0x00; + for (uint16_t c = 0; c < keycnt; ++c ) { + + if (ukbhit()) { + ch = getchar(); + (void)ch; + printf("\naborted via keyboard!\n"); + free(keyBlock); + return 0; + } + + 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); + return 0; + } + + found = tryDetectModulation(); + + if ( found ) { + PrintAndLog("Found valid password: [%08X]", testpwd); + free(keyBlock); + return 0; + } + } + PrintAndLog("Password NOT found."); + free(keyBlock); + return 0; + } + + // Try to read Block 7, first :) + + // 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 ) { + 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)) { + + 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"); + free(keyBlock); + return 0; + } + found = tryDetectModulation(); + + if (found) break; + i++; + } + + PrintAndLog(""); + + if (found) + PrintAndLog("Found valid password: [%08x]", i); + else + PrintAndLog("Password NOT found. Last tried: [%08x]", --i); + + free(keyBlock); return 0; } -static command_t CommandTable[] = -{ - {"help", CmdHelp, 1, "This help"}, - {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"}, - {"detect", CmdT55xxDetect, 0, "[1] Try detecting the tag modulation from reading the configuration block."}, - {"read", CmdT55xxReadBlock, 0, "b p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"}, - {"resetread",CmdResetRead, 0, "Send Reset Cmd then lf read the stream to attempt to identify the start of it (needs a demod and/or plot after)"}, - {"write", CmdT55xxWriteBlock,0, "b d p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"}, - {"trace", CmdT55xxReadTrace, 0, "[1] Show T55xx traceability data (page 1/ blk 0-1)"}, - {"info", CmdT55xxInfo, 0, "[1] Show T55xx configuration data (page 0/ blk 0)"}, - {"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)"}, +// note length of data returned is different for different chips. +// some return all page 1 (64 bits) and others return just that block (32 bits) +// unfortunately the 64 bits makes this more likely to get a false positive... +bool tryDetectP1(bool getData) { + uint8_t preamble[] = {1,1,1,0,0,0,0,0,0,0,0,1,0,1,0,1}; + size_t startIdx = 0; + uint8_t fc1 = 0, fc2 = 0, ans = 0; + int clk = 0, firstClockEdge = 0; + bool st = true; + + if ( getData ) { + if ( !AquireData(T55x7_PAGE1, 1, false, 0) ) + return false; + } + + // try fsk clock detect. if successful it cannot be any other type of modulation... (in theory...) + ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, false, &firstClockEdge); + if (ans && ((fc1==10 && fc2==8) || (fc1==8 && fc2==5))) { + if ( FSKrawDemod("0 0", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + if ( FSKrawDemod("0 1", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + return false; + } + + // try psk clock detect. if successful it cannot be any other type of modulation... (in theory...) + clk = GetPskClock("", false, false); + if (clk>0) { + // allow undo + // save_restoreGB(1); + // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise) + //CmdLtrim("160"); + if ( PSKDemod("0 0 6", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + //save_restoreGB(0); + return true; + } + if ( PSKDemod("0 1 6", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + //save_restoreGB(0); + return true; + } + // PSK2 - needs a call to psk1TOpsk2. + if ( PSKDemod("0 0 6", false)) { + psk1TOpsk2(DemodBuffer, DemodBufferLen); + if (preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + //save_restoreGB(0); + return true; + } + } // inverse waves does not affect PSK2 demod + //undo trim samples + //save_restoreGB(0); + // no other modulation clocks = 2 or 4 so quit searching + if (fc1 != 8) return false; + } + + // try ask clock detect. it could be another type even if successful. + clk = GetAskClock("", false, false); + if (clk>0) { + if ( ASKDemod_ext("0 0 1", false, false, 1, &st) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + st = true; + if ( ASKDemod_ext("0 1 1", false, false, 1, &st) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + if ( ASKbiphaseDemod("0 0 0 2", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + if ( ASKbiphaseDemod("0 0 1 2", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + } + + // try NRZ clock detect. it could be another type even if successful. + clk = GetNrzClock("", false, false); //has the most false positives :( + if (clk>0) { + if ( NRZrawDemod("0 0 1", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + if ( NRZrawDemod("0 1 1", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + } + return false; +} +// does this need to be a callable command? +int CmdT55xxDetectPage1(const char *Cmd){ + bool errors = false; + bool useGB = false; + bool usepwd = false; + uint32_t password = 0; + uint8_t cmdp = 0; + + while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { + switch(param_getchar(Cmd, cmdp)) { + case 'h': + case 'H': + return usage_t55xx_detectP1(); + case 'p': + case 'P': + password = param_get32ex(Cmd, cmdp+1, 0, 16); + usepwd = true; + cmdp += 2; + break; + case '1': + // use Graphbuffer data + useGB = true; + cmdp++; + break; + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = true; + break; + } + } + if (errors) return usage_t55xx_detectP1(); + + if ( !useGB ) { + if ( !AquireData(T55x7_PAGE1, 1, usepwd, password) ) + return false; + } + bool success = tryDetectP1(false); + if (success) PrintAndLog("T55xx chip found!"); + return success; +} + +static command_t CommandTable[] = { + {"help", CmdHelp, 1, "This help"}, + {"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."}, + {"p1detect", CmdT55xxDetectPage1,1, "[1] Try detecting if this is a t55xx tag by reading page 1"}, + {"read", CmdT55xxReadBlock, 0, "b p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"}, + {"resetread", CmdResetRead, 0, "Send Reset Cmd then lf read the stream to attempt to identify the start of it (needs a demod and/or plot after)"}, + {"write", CmdT55xxWriteBlock,0, "b d p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"}, + {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"}, + {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"}, + {"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, "[q] Wipe a T55xx tag and set defaults (will destroy any data on tag)"}, {NULL, NULL, 0, NULL} }; -int CmdLFT55XX(const char *Cmd) -{ +int CmdLFT55XX(const char *Cmd) { CmdsParse(CommandTable, Cmd); return 0; } -int CmdHelp(const char *Cmd) -{ +int CmdHelp(const char *Cmd) { CmdsHelp(CommandTable); return 0; }