X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/024b97c5076d1c644fe84b250882569923b67c0c..3fd26a683ddc9e166392f722c23ab21fb618ce08:/client/cmdhf.c?ds=sidebyside diff --git a/client/cmdhf.c b/client/cmdhf.c index 2da4c2d9..37366802 100644 --- a/client/cmdhf.c +++ b/client/cmdhf.c @@ -123,23 +123,28 @@ NXP/Philips CUSTOM COMMANDS 40 = Long Range CMD (Standard ISO/TR7003:1990) */ -#define ICLASS_CMD_ACTALL 0x0A +#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 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 @@ -175,14 +180,17 @@ NXP/Philips CUSTOM COMMANDS #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 ISO14443_CMD_WUPA: snprintf(exp,size,"WUPA"); break; - case ISO14443_CMD_ANTICOLL_OR_SELECT:{ + 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) @@ -193,7 +201,7 @@ void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) snprintf(exp,size,"ANTICOLL"); break; } } - case ISO14443_CMD_ANTICOLL_OR_SELECT_2:{ + case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{ //95 20 = Anticollision of cascade level2 //95 70 = Select of cascade level2 if(cmd[2] == 0x70) @@ -204,11 +212,11 @@ void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) 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 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; @@ -235,11 +243,15 @@ void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) 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_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_SOF: snprintf(exp,size,"SOF"); 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; @@ -272,12 +284,106 @@ void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) 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; + 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; + } -uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool showWaitCycles) +} + +/** + * @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; @@ -307,15 +413,18 @@ uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool sho 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]; char line[16][110]; - for (int j = 0; j < data_len; j++) { + + for (int j = 0; j < data_len && j/16 < 16; j++) { + int oddparity = 0x01; int k; @@ -324,59 +433,63 @@ uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool sho } uint8_t parityBits = parityBytes[j>>3]; - if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) { - sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]); + snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]); + } else { - sprintf(line[j/16]+((j%16)*4), "%02x ", frame[j]); + snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]); + } + } + if(data_len == 0) + { + if(data_len == 0){ + sprintf(line[0],""); } } //--- Draw the CRC column - bool crcError = false; + uint8_t crcStatus = 2; if (data_len > 2) { uint8_t b1, b2; - if(iclass) + if(protocol == 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); - } + crcStatus = iclass_CRC_check(isResponse, frame, data_len); - if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) { - crcError = true; - } - - }else{//Iso 14443a + }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))) { - crcError = true; + crcStatus = 0; } } } - } - char *crc = crcError ? "!crc" :" "; + //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(iclass) annotateIclass(explanation,sizeof(explanation),frame,data_len); - else annotateIso14443a(explanation,sizeof(explanation),frame,data_len); + 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++) { + int num_lines = MIN((data_len - 1)/16 + 1, 16); + for (int j = 0; j < num_lines ; j++) { if (j == 0) { PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s", (timestamp - first_timestamp), @@ -415,9 +528,9 @@ int CmdHFList(const char *Cmd) int tlen = param_getstr(Cmd,0,type); char param = param_getchar(Cmd, 1); bool errors = false; - bool iclass = false; + uint8_t protocol = 0; //Validate params - if(tlen == 0 || (strcmp(type, "iclass") != 0 && strcmp(type,"14a") != 0)) + if(tlen == 0) { errors = true; } @@ -425,22 +538,40 @@ int CmdHFList(const char *Cmd) { 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|iclass] [f]"); + 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(strcmp(type, "iclass") == 0) - { - iclass = true; - } + if (param == 'f') { showWaitCycles = true; @@ -451,7 +582,6 @@ int CmdHFList(const char *Cmd) 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"); @@ -463,7 +593,7 @@ int CmdHFList(const char *Cmd) while(tracepos < TRACE_SIZE) { - tracepos = printTraceLine(tracepos, trace, iclass, showWaitCycles); + tracepos = printTraceLine(tracepos, trace, protocol, showWaitCycles); } return 0; }