X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/660d641a03456e99ea83c68dbd3d03bae2b64573..4df54240c1350a946b86983eb6785af03046b5bd:/client/cmdhf.c diff --git a/client/cmdhf.c b/client/cmdhf.c index d955fc83..2da4c2d9 100644 --- a/client/cmdhf.c +++ b/client/cmdhf.c @@ -9,7 +9,7 @@ //----------------------------------------------------------------------------- #include -//#include "proxusb.h" +#include #include "proxmark3.h" #include "graph.h" #include "ui.h" @@ -31,6 +31,443 @@ int CmdHFTune(const char *Cmd) SendCommand(&c); return 0; } +// for the time being. Need better Bigbuf handling. +#define TRACE_SIZE 3000 + +//The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501 +/* +ISO14443A (usually NFC tags) + 26 (7bits) = REQA + 30 = Read (usage: 30+1byte block number+2bytes ISO14443A-CRC - answer: 16bytes) + A2 = Write (usage: A2+1byte block number+4bytes data+2bytes ISO14443A-CRC - answer: 0A [ACK] or 00 [NAK]) + 52 (7bits) = WUPA (usage: 52(7bits) - answer: 2bytes ATQA) + 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor) + 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK) + 95 20 = Anticollision of cascade level2 + 95 70 = Select of cascade level2 + 50 00 = Halt (usage: 5000+2bytes ISO14443A-CRC - no answer from card) +Mifare + 60 = Authenticate with KeyA + 61 = Authenticate with KeyB + 40 (7bits) = Used to put Chinese Changeable UID cards in special mode (must be followed by 43 (8bits) - answer: 0A) + C0 = Decrement + C1 = Increment + C2 = Restore + B0 = Transfer +Ultralight C + A0 = Compatibility Write (to accomodate MIFARE commands) + 1A = Step1 Authenticate + AF = Step2 Authenticate + + +ISO14443B + 05 = REQB + 1D = ATTRIB + 50 = HALT +SRIX4K (tag does not respond to 05) + 06 00 = INITIATE + 0E xx = SELECT ID (xx = Chip-ID) + 0B = Get UID + 08 yy = Read Block (yy = block number) + 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written) + 0C = Reset to Inventory + 0F = Completion + 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate) + + +ISO15693 + MANDATORY COMMANDS (all ISO15693 tags must support those) + 01 = Inventory (usage: 260100+2bytes ISO15693-CRC - answer: 12bytes) + 02 = Stay Quiet + OPTIONAL COMMANDS (not all tags support them) + 20 = Read Block (usage: 0220+1byte block number+2bytes ISO15693-CRC - answer: 4bytes) + 21 = Write Block (usage: 0221+1byte block number+4bytes data+2bytes ISO15693-CRC - answer: 4bytes) + 22 = Lock Block + 23 = Read Multiple Blocks (usage: 0223+1byte 1st block to read+1byte last block to read+2bytes ISO15693-CRC) + 25 = Select + 26 = Reset to Ready + 27 = Write AFI + 28 = Lock AFI + 29 = Write DSFID + 2A = Lock DSFID + 2B = Get_System_Info (usage: 022B+2bytes ISO15693-CRC - answer: 14 or more bytes) + 2C = Read Multiple Block Security Status (usage: 022C+1byte 1st block security to read+1byte last block security to read+2bytes ISO15693-CRC) + +EM Microelectronic CUSTOM COMMANDS + A5 = Active EAS (followed by 1byte IC Manufacturer code+1byte EAS type) + A7 = Write EAS ID (followed by 1byte IC Manufacturer code+2bytes EAS value) + B8 = Get Protection Status for a specific block (followed by 1byte IC Manufacturer code+1byte block number+1byte of how many blocks after the previous is needed the info) + E4 = Login (followed by 1byte IC Manufacturer code+4bytes password) +NXP/Philips CUSTOM COMMANDS + A0 = Inventory Read + A1 = Fast Inventory Read + A2 = Set EAS + A3 = Reset EAS + A4 = Lock EAS + A5 = EAS Alarm + A6 = Password Protect EAS + A7 = Write EAS ID + A8 = Read EPC + B0 = Inventory Page Read + B1 = Fast Inventory Page Read + B2 = Get Random Number + B3 = Set Password + B4 = Write Password + B5 = Lock Password + B6 = Bit Password Protection + B7 = Lock Page Protection Condition + B8 = Get Multiple Block Protection Status + B9 = Destroy SLI + BA = Enable Privacy + BB = 64bit Password Protection + 40 = Long Range CMD (Standard ISO/TR7003:1990) + */ + +#define ICLASS_CMD_ACTALL 0x0A +#define ICLASS_CMD_READ_OR_IDENTIFY 0x0C +#define ICLASS_CMD_SELECT 0x81 +#define ICLASS_CMD_PAGESEL 0x84 +#define ICLASS_CMD_READCHECK 0x88 +#define ICLASS_CMD_CHECK 0x05 +#define ICLASS_CMD_SOF 0x0F +#define ICLASS_CMD_HALT 0x00 + +#define ISO14443_CMD_REQA 0x26 +#define ISO14443_CMD_READBLOCK 0x30 +#define ISO14443_CMD_WUPA 0x52 +#define ISO14443_CMD_ANTICOLL_OR_SELECT 0x93 +#define ISO14443_CMD_ANTICOLL_OR_SELECT_2 0x95 +#define ISO14443_CMD_WRITEBLOCK 0xA0 // or 0xA2 ? +#define ISO14443_CMD_HALT 0x50 +#define ISO14443_CMD_RATS 0xE0 + +#define MIFARE_AUTH_KEYA 0x60 +#define MIFARE_AUTH_KEYB 0x61 +#define MIFARE_MAGICMODE 0x40 +#define MIFARE_CMD_INC 0xC0 +#define MIFARE_CMD_DEC 0xC1 +#define MIFARE_CMD_RESTORE 0xC2 +#define MIFARE_CMD_TRANSFER 0xB0 + +#define MIFARE_ULC_WRITE 0xA0 +#define MIFARE_ULC_AUTH_1 0x1A +#define MIFARE_ULC_AUTH_2 0xAF + +#define ISO14443B_REQB 0x05 +#define ISO14443B_ATTRIB 0x1D +#define ISO14443B_HALT 0x50 + +//First byte is 26 +#define ISO15693_INVENTORY 0x01 +#define ISO15693_STAYQUIET 0x02 +//First byte is 02 +#define ISO15693_READBLOCK 0x20 +#define ISO15693_WRITEBLOCK 0x21 +#define ISO15693_LOCKBLOCK 0x22 +#define ISO15693_READ_MULTI_BLOCK 0x23 +#define ISO15693_SELECT 0x25 +#define ISO15693_RESET_TO_READY 0x26 +#define ISO15693_WRITE_AFI 0x27 +#define ISO15693_LOCK_AFI 0x28 +#define ISO15693_WRITE_DSFID 0x29 +#define ISO15693_LOCK_DSFID 0x2A +#define ISO15693_GET_SYSTEM_INFO 0x2B +#define ISO15693_READ_MULTI_SECSTATUS 0x2C + + + + +void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) +{ + switch(cmd[0]) + { + case ISO14443_CMD_WUPA: snprintf(exp,size,"WUPA"); break; + case ISO14443_CMD_ANTICOLL_OR_SELECT:{ + // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor) + // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK) + if(cmd[2] == 0x70) + { + snprintf(exp,size,"SELECT_UID"); break; + }else + { + snprintf(exp,size,"ANTICOLL"); break; + } + } + case ISO14443_CMD_ANTICOLL_OR_SELECT_2:{ + //95 20 = Anticollision of cascade level2 + //95 70 = Select of cascade level2 + if(cmd[2] == 0x70) + { + snprintf(exp,size,"SELECT_UID-2"); break; + }else + { + snprintf(exp,size,"ANTICOLL-2"); break; + } + } + case ISO14443_CMD_REQA: snprintf(exp,size,"REQA"); break; + case ISO14443_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break; + case ISO14443_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break; + case ISO14443_CMD_HALT: snprintf(exp,size,"HALT"); break; + case ISO14443_CMD_RATS: snprintf(exp,size,"RATS"); break; + case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break; + case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break; + case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break; + case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break; + case MIFARE_AUTH_KEYA: snprintf(exp,size,"AUTH-A"); break; + case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B"); break; + case MIFARE_MAGICMODE: snprintf(exp,size,"MAGIC"); break; + default: snprintf(exp,size,"?"); break; + } + return; +} + +void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) +{ + switch(cmd[0]) + { + case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break; + case ICLASS_CMD_READ_OR_IDENTIFY:{ + if(cmdsize > 1){ + snprintf(exp,size,"READ(%d)",cmd[1]); + }else{ + snprintf(exp,size,"IDENTIFY"); + } + break; + } + case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break; + case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL"); break; + case ICLASS_CMD_READCHECK: snprintf(exp,size,"READCHECK"); break; + case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break; + case ICLASS_CMD_SOF: snprintf(exp,size,"SOF"); break; + case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break; + default: snprintf(exp,size,"?"); break; + } + return; +} + +void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) +{ + + if(cmd[0] == 0x26) + { + switch(cmd[1]){ + case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break; + case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break; + default: snprintf(exp,size,"?"); break; + + } + }else if(cmd[0] == 0x02) + { + switch(cmd[1]) + { + case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break; + case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break; + case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break; + case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break; + case ISO15693_SELECT :snprintf(exp, size, "SELECT");break; + case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break; + case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break; + case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break; + case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break; + case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break; + case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break; + case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break; + default: snprintf(exp,size,"?"); break; + } + } +} + +uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool showWaitCycles) +{ + bool isResponse; + uint16_t duration, data_len,parity_len; + + uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp; + char explanation[30] = {0}; + + first_timestamp = *((uint32_t *)(trace)); + timestamp = *((uint32_t *)(trace + tracepos)); + // Break and stick with current result if buffer was not completely full + if (timestamp == 0x44444444) return TRACE_SIZE; + + tracepos += 4; + duration = *((uint16_t *)(trace + tracepos)); + tracepos += 2; + data_len = *((uint16_t *)(trace + tracepos)); + tracepos += 2; + + if (data_len & 0x8000) { + data_len &= 0x7fff; + isResponse = true; + } else { + isResponse = false; + } + parity_len = (data_len-1)/8 + 1; + + if (tracepos + data_len + parity_len >= TRACE_SIZE) { + return TRACE_SIZE; + } + + uint8_t *frame = trace + tracepos; + tracepos += data_len; + uint8_t *parityBytes = trace + tracepos; + tracepos += parity_len; + + //--- Draw the data column + char line[16][110]; + for (int j = 0; j < data_len; j++) { + int oddparity = 0x01; + int k; + + for (k=0 ; k<8 ; k++) { + oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01); + } + + uint8_t parityBits = parityBytes[j>>3]; + + if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) { + sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]); + } else { + sprintf(line[j/16]+((j%16)*4), "%02x ", frame[j]); + } + } + //--- Draw the CRC column + bool crcError = false; + + if (data_len > 2) { + uint8_t b1, b2; + if(iclass) + { + if(!isResponse && data_len == 4 ) { + // Rough guess that this is a command from the reader + // For iClass the command byte is not part of the CRC + ComputeCrc14443(CRC_ICLASS, &frame[1], data_len-3, &b1, &b2); + } + else { + // For other data.. CRC might not be applicable (UPDATE commands etc.) + ComputeCrc14443(CRC_ICLASS, frame, data_len-2, &b1, &b2); + } + + if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) { + crcError = true; + } + + }else{//Iso 14443a + + ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2); + + if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) { + if(!(isResponse & (data_len < 6))) + { + crcError = true; + } + } + } + + } + char *crc = crcError ? "!crc" :" "; + + EndOfTransmissionTimestamp = timestamp + duration; + + if(!isResponse) + { + if(iclass) annotateIclass(explanation,sizeof(explanation),frame,data_len); + else annotateIso14443a(explanation,sizeof(explanation),frame,data_len); + } + + int num_lines = (data_len - 1)/16 + 1; + for (int j = 0; j < num_lines; j++) { + if (j == 0) { + PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s", + (timestamp - first_timestamp), + (EndOfTransmissionTimestamp - first_timestamp), + (isResponse ? "Tag" : "Rdr"), + line[j], + (j == num_lines-1) ? crc : " ", + (j == num_lines-1) ? explanation : ""); + } else { + PrintAndLog(" | | | %-64s| %s| %s", + line[j], + (j == num_lines-1)?crc:" ", + (j == num_lines-1) ? explanation : ""); + } + } + + bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000; + + if (showWaitCycles && !isResponse && next_isResponse) { + uint32_t next_timestamp = *((uint32_t *)(trace + tracepos)); + if (next_timestamp != 0x44444444) { + PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d", + (EndOfTransmissionTimestamp - first_timestamp), + (next_timestamp - first_timestamp), + " ", + (next_timestamp - EndOfTransmissionTimestamp)); + } + } + return tracepos; +} + +int CmdHFList(const char *Cmd) +{ + bool showWaitCycles = false; + char type[40] = {0}; + int tlen = param_getstr(Cmd,0,type); + char param = param_getchar(Cmd, 1); + bool errors = false; + bool iclass = false; + //Validate params + if(tlen == 0 || (strcmp(type, "iclass") != 0 && strcmp(type,"14a") != 0)) + { + errors = true; + } + if(param == 'h' || (param !=0 && param != 'f')) + { + errors = true; + } + + if (errors) { + PrintAndLog("List protocol data in trace buffer."); + PrintAndLog("Usage: hf list [14a|iclass] [f]"); + PrintAndLog(" 14a - interpret data as iso14443a communications"); + PrintAndLog(" iclass - interpret data as iclass communications"); + PrintAndLog(" f - show frame delay times as well"); + PrintAndLog(""); + PrintAndLog("example: hf list 14a f"); + PrintAndLog("example: hf list iclass"); + return 0; + } + if(strcmp(type, "iclass") == 0) + { + iclass = true; + } + + if (param == 'f') { + showWaitCycles = true; + } + + + uint8_t trace[TRACE_SIZE]; + uint16_t tracepos = 0; + GetFromBigBuf(trace, TRACE_SIZE, 0); + WaitForResponse(CMD_ACK, NULL); + + PrintAndLog("Recorded Activity"); + PrintAndLog(""); + PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer"); + PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)"); + PrintAndLog("iClass - Timings are not as accurate"); + PrintAndLog(""); + PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |"); + PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|"); + + while(tracepos < TRACE_SIZE) + { + tracepos = printTraceLine(tracepos, trace, iclass, showWaitCycles); + } + return 0; +} + static command_t CommandTable[] = { @@ -41,9 +478,10 @@ static command_t CommandTable[] = {"epa", CmdHFEPA, 1, "{ German Identification Card... }"}, {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"}, {"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"}, - {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"}, + {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"}, {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"}, - {NULL, NULL, 0, NULL} + {"list", CmdHFList, 1, "List protocol data in trace buffer"}, + {NULL, NULL, 0, NULL} }; int CmdHF(const char *Cmd)