From 0a85edf471497a491fa3900fca9a585a6ed8f0c6 Mon Sep 17 00:00:00 2001 From: marshmellow42 Date: Tue, 21 Feb 2017 11:06:19 -0500 Subject: [PATCH 1/1] add em4x05 config printout --- client/cmdlfem4x.c | 109 +++++++++++++++++++++++++++++++++++---------- 1 file changed, 86 insertions(+), 23 deletions(-) diff --git a/client/cmdlfem4x.c b/client/cmdlfem4x.c index 6208e63c..662629f0 100644 --- a/client/cmdlfem4x.c +++ b/client/cmdlfem4x.c @@ -812,26 +812,84 @@ int CmdEM4x05WriteWord(const char *Cmd) { return result; } +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: %02X | 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 default word 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("\nChip Type: %u | EM4305", chipType); break; - case 4: PrintAndLog("Chip Type: %u | Unknown", chipType); break; - case 2: PrintAndLog("Chip Type: %u | EM4469", chipType); break; + 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; + 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; + 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"); + PrintAndLog(" Cust Code: %03u | %s", custCode, (custCode == 0x200) ? "Default": "Unknown"); if (serial != 0) { - PrintAndLog("\n Serial #: %08X\n", serial); + PrintAndLog("\n Serial #: %08X\n", serial); } } @@ -845,22 +903,21 @@ bool EM4x05Block0Test(uint32_t *wordData) { int CmdEM4x05info(const char *Cmd) { //uint8_t addr = 0; - //uint32_t pwd; + uint32_t pwd; uint32_t wordData = 0; - // bool usePwd = false; + 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); + pwd = param_get32ex(Cmd, 0, 1, 16); - //if ( pwd != 1 ) { - // usePwd = true; - //} - int success = 1; - // read blk 0 + if ( pwd != 1 ) { + usePwd = true; + } - //block 0 can be read even without a password. + // read word 0 (chip info) + // block 0 can be read even without a password. if ( !EM4x05Block0Test(&wordData) ) return -1; @@ -868,16 +925,22 @@ int CmdEM4x05info(const char *Cmd) { uint8_t cap = (wordData >> 5) & 3; uint16_t custCode = (wordData >> 9) & 0x3FF; + // 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); - // add read block 4 and read out config if successful + // read word 4 (config block) // needs password if one is set - - return success; + wordData = 0; + if ( EM4x05ReadWord_ext(4, pwd, usePwd, &wordData) != 1 ) { + //failed + return 0; + } + printEM4x05config(wordData); + return 1; } -- 2.39.5