X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c59c3405ec151e69f0698aa869707977e37681c6..f6d9fb173fec6d117faeb6c39cf37ee449d4ef16:/client/cmdhf.c diff --git a/client/cmdhf.c b/client/cmdhf.c index a96d1178..9acc9825 100644 --- a/client/cmdhf.c +++ b/client/cmdhf.c @@ -1,5 +1,16 @@ +//----------------------------------------------------------------------------- +// Copyright (C) 2010 iZsh +// +// This code is licensed to you under the terms of the GNU GPL, version 2 or, +// at your option, any later version. See the LICENSE.txt file for the text of +// the license. +//----------------------------------------------------------------------------- +// High frequency commands +//----------------------------------------------------------------------------- + #include -#include "proxusb.h" +#include +#include "proxmark3.h" #include "graph.h" #include "ui.h" #include "cmdparser.h" @@ -7,7 +18,10 @@ #include "cmdhf14a.h" #include "cmdhf14b.h" #include "cmdhf15.h" +#include "cmdhfepa.h" #include "cmdhflegic.h" +#include "cmdhficlass.h" +#include "cmdhfmf.h" static int CmdHelp(const char *Cmd); @@ -17,6 +31,565 @@ 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_KD 0x88 +#define ICLASS_CMD_READCHECK_KC 0x18 +#define ICLASS_CMD_CHECK 0x05 +#define ICLASS_CMD_DETECT 0x0F +#define ICLASS_CMD_HALT 0x00 +#define ICLASS_CMD_UPDATE 0x87 +#define ICLASS_CMD_ACT 0x8E +#define ICLASS_CMD_READ4 0x06 + + +#define ISO14443A_CMD_REQA 0x26 +#define ISO14443A_CMD_READBLOCK 0x30 +#define ISO14443A_CMD_WUPA 0x52 +#define ISO14443A_CMD_ANTICOLL_OR_SELECT 0x93 +#define ISO14443A_CMD_ANTICOLL_OR_SELECT_2 0x95 +#define ISO14443A_CMD_WRITEBLOCK 0xA0 // or 0xA2 ? +#define ISO14443A_CMD_HALT 0x50 +#define ISO14443A_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 + + +#define ISO_14443A 0 +#define ICLASS 1 +#define ISO_14443B 2 + + +void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) +{ + switch(cmd[0]) + { + case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break; + case ISO14443A_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 ISO14443A_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 ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break; + case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break; + case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break; + case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break; + case ISO14443A_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(%d)", cmd[1]); break; + case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break; + case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break; + case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break; + case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break; + case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break; + case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break; + case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break; + case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); 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; + } + } +} +void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) +{ + switch(cmd[0]){ + case ISO14443B_REQB : snprintf(exp,size,"REQB");break; + case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break; + case ISO14443B_HALT : snprintf(exp,size,"HALT");break; + default: snprintf(exp,size ,"?");break; + } + +} + +/** + * @brief iso14443B_CRC_Ok Checks CRC in command or response + * @param isResponse + * @param data + * @param len + * @return 0 : CRC-command, CRC not ok + * 1 : CRC-command, CRC ok + * 2 : Not crc-command + */ + +uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len) +{ + uint8_t b1,b2; + + if(len <= 2) return 2; + + ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2); + if(b1 != data[len-2] || b2 != data[len-1]) { + return 0; + } + return 1; +} + +/** + * @brief iclass_CRC_Ok Checks CRC in command or response + * @param isResponse + * @param data + * @param len + * @return 0 : CRC-command, CRC not ok + * 1 : CRC-command, CRC ok + * 2 : Not crc-command + */ +uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len) +{ + if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes + + uint8_t b1, b2; + + if(!isResponse)//Commands to tag + { + /** + These commands should have CRC. Total length leftmost + 4 READ + 4 READ4 + 12 UPDATE - unsecured, ends with CRC16 + 14 UPDATE - secured, ends with signature instead + 4 PAGESEL + **/ + if(len == 4 || len == 12)//Covers three of them + { + //Don't include the command byte + ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2); + return b1 == data[len -2] && b2 == data[len-1]; + } + return 2; + }else{ + /** + These tag responses should have CRC. Total length leftmost + + 10 READ data[8] crc[2] + 34 READ4 data[32]crc[2] + 10 UPDATE data[8] crc[2] + 10 SELECT csn[8] crc[2] + 10 IDENTIFY asnb[8] crc[2] + 10 PAGESEL block1[8] crc[2] + 10 DETECT csn[8] crc[2] + + These should not + + 4 CHECK chip_response[4] + 8 READCHECK data[8] + 1 ACTALL sof[1] + 1 ACT sof[1] + + In conclusion, without looking at the command; any response + of length 10 or 34 should have CRC + **/ + if(len != 10 && len != 34) return true; + + ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2); + return b1 == data[len -2] && b2 == data[len-1]; + } +} + +uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, uint8_t protocol, 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 + uint8_t crcStatus = 2; + + if (data_len > 2) { + uint8_t b1, b2; + if(protocol == ICLASS) + { + crcStatus = iclass_CRC_check(isResponse, frame, data_len); + + }else if (protocol == ISO_14443B) + { + crcStatus = iso14443B_CRC_check(isResponse, frame, data_len); + } + else if (protocol == ISO_14443A){//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))) + { + crcStatus = 0; + } + } + } + } + //0 CRC-command, CRC not ok + //1 CRC-command, CRC ok + //2 Not crc-command + char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " ")); + + EndOfTransmissionTimestamp = timestamp + duration; + + if(!isResponse) + { + if(protocol == ICLASS) + annotateIclass(explanation,sizeof(explanation),frame,data_len); + else if (protocol == ISO_14443A) + annotateIso14443a(explanation,sizeof(explanation),frame,data_len); + else if(protocol == ISO_14443B) + annotateIso14443b(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; + uint8_t protocol = 0; + //Validate params + if(tlen == 0) + { + errors = true; + } + if(param == 'h' || (param !=0 && param != 'f')) + { + errors = true; + } + if(!errors) + { + if(strcmp(type, "iclass") == 0) + { + protocol = ICLASS; + }else if(strcmp(type, "14a") == 0) + { + protocol = ISO_14443A; + } + else if(strcmp(type, "14b") == 0) + { + protocol = ISO_14443B; + }else if(strcmp(type,"raw")== 0) + { + protocol = -1;//No crc, no annotations + }else{ + errors = true; + } + } + + if (errors) { + PrintAndLog("List protocol data in trace buffer."); + PrintAndLog("Usage: hf list [14a|14b|iclass] [f]"); + PrintAndLog(" 14a - interpret data as iso14443a communications"); + PrintAndLog(" 14b - interpret data as iso14443b communications"); + PrintAndLog(" iclass - interpret data as iclass communications"); + PrintAndLog(" raw - just show raw data"); + PrintAndLog(" f - show frame delay times as well"); + PrintAndLog(""); + PrintAndLog("example: hf list 14a f"); + PrintAndLog("example: hf list iclass"); + return 0; + } + + + 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, protocol, showWaitCycles); + } + return 0; +} + static command_t CommandTable[] = { @@ -24,9 +597,13 @@ static command_t CommandTable[] = {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"}, {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"}, {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"}, + {"epa", CmdHFEPA, 1, "{ German Identification Card... }"}, {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"}, + {"iclass", CmdHFiClass, 1, "{ ICLASS 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)