X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c59c3405ec151e69f0698aa869707977e37681c6..9aeda6cbfbfadd3be02f43165617b1ec4ff45425:/client/cmdhf.c diff --git a/client/cmdhf.c b/client/cmdhf.c index a96d1178..031f065e 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" @@ -7,36 +18,935 @@ #include "cmdhf14a.h" #include "cmdhf14b.h" #include "cmdhf15.h" +#include "cmdhfepa.h" #include "cmdhflegic.h" +#include "cmdhficlass.h" +#include "cmdhfmf.h" +#include "cmdhfmfu.h" +#include "cmdhfmfdes.h" +#include "cmdhftopaz.h" +#include "protocols.h" static int CmdHelp(const char *Cmd); -int CmdHFTune(const char *Cmd) +int CmdHFTune(const char *Cmd) { + PrintAndLog("Measuring HF antenna, press button to exit"); + UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING_HF}; + clearCommandBuffer(); + SendCommand(&c); + return 0; +} + +int applyIso14443a(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[1] == 0x70) + snprintf(exp,size,"SELECT_UID"); + 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"); + 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:{ + if ( cmdsize > 3) + snprintf(exp,size,"AUTH-A(%d)",cmd[1]); + else + // case MIFARE_ULEV1_VERSION : both 0x60. + snprintf(exp,size,"EV1 VERSION"); + break; + } + case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break; + case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break; + case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break; + case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break; + case MIFARE_ULC_AUTH_1 : snprintf(exp,size,"AUTH "); break; + case MIFARE_ULC_AUTH_2 : snprintf(exp,size,"AUTH_ANSW"); break; + case MIFARE_ULEV1_AUTH : + if ( cmdsize == 7 ) + snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] ); + else + snprintf(exp,size,"PWD-AUTH"); + break; + case MIFARE_ULEV1_FASTREAD : { + if ( cmdsize >=3 && cmd[2] <= 0xE6) + snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]); + else + snprintf(exp,size,"?"); + break; + } + case MIFARE_ULC_WRITE : { + if ( cmd[1] < 0x21 ) + snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); + else + snprintf(exp,size,"?"); + break; + } + case MIFARE_ULEV1_READ_CNT :{ + if ( cmd[1] < 5 ) + snprintf(exp,size,"READ CNT(%d)",cmd[1]); + else + snprintf(exp,size,"?"); + break; + } + case MIFARE_ULEV1_INCR_CNT : { + if ( cmd[1] < 5 ) + snprintf(exp,size,"INCR(%d)",cmd[1]); + else + snprintf(exp,size,"?"); + break; + } + case MIFARE_ULEV1_READSIG : snprintf(exp,size,"READ_SIG"); break; + case MIFARE_ULEV1_CHECKTEAR : snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break; + case MIFARE_ULEV1_VCSL : snprintf(exp,size,"VCSL"); break; + default: return 0; + } + return 1; +} + +void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) { + applyIso14443a(exp, size, cmd, cmdsize); +} + +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 annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){ + switch(cmd[0]) { + case TOPAZ_REQA :snprintf(exp, size, "REQA");break; + case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break; + case TOPAZ_RID :snprintf(exp, size, "RID");break; + case TOPAZ_RALL :snprintf(exp, size, "RALL");break; + case TOPAZ_READ :snprintf(exp, size, "READ");break; + case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break; + case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break; + case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break; + case TOPAZ_READ8 :snprintf(exp, size, "READ8");break; + case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break; + case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break; + default :snprintf(exp,size,"?"); break; + } +} + +// iso 7816-3 +void annotateIso7816(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){ + // S-block + if ( (cmd[0] & 0xC0) && (cmdsize == 3) ) { + switch ( (cmd[0] & 0x3f) ) { + case 0x00 : snprintf(exp, size, "S-block RESYNCH req"); break; + case 0x20 : snprintf(exp, size, "S-block RESYNCH resp"); break; + case 0x01 : snprintf(exp, size, "S-block IFS req"); break; + case 0x21 : snprintf(exp, size, "S-block IFS resp"); break; + case 0x02 : snprintf(exp, size, "S-block ABORT req"); break; + case 0x22 : snprintf(exp, size, "S-block ABORT resp"); break; + case 0x03 : snprintf(exp, size, "S-block WTX reqt"); break; + case 0x23 : snprintf(exp, size, "S-block WTX resp"); break; + default : snprintf(exp, size, "S-block"); break; + } + } + // R-block (ack) + else if ( ((cmd[0] & 0xD0) == 0x80) && ( cmdsize > 2) ) { + if ( (cmd[0] & 0x10) == 0 ) + snprintf(exp, size, "R-block ACK"); + else + snprintf(exp, size, "R-block NACK"); + } + // I-block + else { + + int pos = (cmd[0] == 2 || cmd[0] == 3) ? 2 : 3; + switch ( cmd[pos] ){ + case ISO7816_READ_BINARY :snprintf(exp, size, "READ BIN");break; + case ISO7816_WRITE_BINARY :snprintf(exp, size, "WRITE BIN");break; + case ISO7816_UPDATE_BINARY :snprintf(exp, size, "UPDATE BIN");break; + case ISO7816_ERASE_BINARY :snprintf(exp, size, "ERASE BIN");break; + case ISO7816_READ_RECORDS :snprintf(exp, size, "READ RECORDS");break; + case ISO7816_WRITE_RECORDS :snprintf(exp, size, "WRITE RECORDS");break; + case ISO7816_APPEND_RECORD :snprintf(exp, size, "APPEND RECORD");break; + case ISO7816_UPDATE_RECORD :snprintf(exp, size, "UPDATE RECORD");break; + case ISO7816_GET_DATA :snprintf(exp, size, "GET DATA");break; + case ISO7816_PUT_DATA :snprintf(exp, size, "PUT DATA");break; + case ISO7816_SELECT_FILE :snprintf(exp, size, "SELECT FILE");break; + case ISO7816_VERIFY :snprintf(exp, size, "VERIFY");break; + case ISO7816_INTERNAL_AUTHENTICATION :snprintf(exp, size, "INTERNAL AUTH");break; + case ISO7816_EXTERNAL_AUTHENTICATION :snprintf(exp, size, "EXTERNAL AUTH");break; + case ISO7816_GET_CHALLENGE :snprintf(exp, size, "GET CHALLENGE");break; + case ISO7816_MANAGE_CHANNEL :snprintf(exp, size, "MANAGE CHANNEL");break; + default :snprintf(exp,size,"?"); break; + } + } +} + +// MIFARE DESFire +void annotateMfDesfire(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){ + + // it's basically a ISO14443a tag, so try annotation from there + if (!applyIso14443a(exp, size, cmd, cmdsize)){ + //PrintAndLog("rest"); + //PrintAndLog("(%d)",cmd[0]); + // S-block 11xxx010 + if ( (cmd[0] & 0xC0) && (cmdsize == 3) ) { + switch ( (cmd[0] & 0x30) ) { + case 0x30 : snprintf(exp, size, "S-block DESELECT"); break; + case 0x00 : snprintf(exp, size, "S-block WTX"); break; + default : snprintf(exp, size, "S-block"); break; + } + } + // R-block (ack) 101xx01x + else if ( ((cmd[0] & 0xB0) == 0xA0) && ( cmdsize > 2) ) { + if ( (cmd[0] & 0x10) == 0 ) + snprintf(exp, size, "R-block ACK(%d)", (cmd[0] & 0x01)); + else + snprintf(exp, size, "R-block NACK(%d)", (cmd[0] & 0x01)); + } + // I-block 000xCN1x + else if ( (cmd[0] & 0xC0) == 0x00){ + // PCB [CID] [NAD] [INF] CRC CRC + int pos = 1; + if ( (cmd[0] & 0x08) == 0x08) // cid byte following + pos = pos + 1; + if ( (cmd[0] & 0x04) == 0x04) // nad byte following + pos = pos + 1; + //PrintAndLog("[%d]",pos); + switch ( cmd[pos] ){ + case MFDES_CREATE_APPLICATION :snprintf(exp, size, "CREATE APPLICATION");break; + case MFDES_DELETE_APPLICATION :snprintf(exp, size, "DELETE APPLICATION");break; + case MFDES_GET_APPLICATION_IDS :snprintf(exp, size, "GET APPLICATION IDS");break; + case MFDES_SELECT_APPLICATION :snprintf(exp, size, "SELECT APPLICATION");break; + case MFDES_FORMAT_PICC :snprintf(exp, size, "FORMAT PICC");break; + case MFDES_GET_VERSION :snprintf(exp, size, "GET VERSION");break; + case MFDES_READ_DATA :snprintf(exp, size, "READ DATA");break; + case MFDES_WRITE_DATA :snprintf(exp, size, "WRITE DATA");break; + case MFDES_GET_VALUE :snprintf(exp, size, "GET VALUE");break; + case MFDES_CREDIT :snprintf(exp, size, "CREDIT");break; + case MFDES_DEBIT :snprintf(exp, size, "DEBIT");break; + case MFDES_LIMITED_CREDIT :snprintf(exp, size, "LIMITED CREDIT");break; + case MFDES_WRITE_RECORD :snprintf(exp, size, "WRITE RECORD");break; + case MFDES_READ_RECORDS :snprintf(exp, size, "READ RECORDS");break; + case MFDES_CLEAR_RECORD_FILE :snprintf(exp, size, "CLEAR RECORD FILE");break; + case MFDES_COMMIT_TRANSACTION :snprintf(exp, size, "COMMIT TRANSACTION");break; + case MFDES_ABORT_TRANSACTION :snprintf(exp, size, "ABORT TRANSACTION");break; + case MFDES_GET_FREE_MEMORY :snprintf(exp, size, "GET FREE MEMORY");break; + case MFDES_GET_FILE_IDS :snprintf(exp, size, "GET FILE IDS");break; + case MFDES_GET_ISOFILE_IDS :snprintf(exp, size, "GET ISOFILE IDS");break; + case MFDES_GET_FILE_SETTINGS :snprintf(exp, size, "GET FILE SETTINGS");break; + case MFDES_CHANGE_FILE_SETTINGS :snprintf(exp, size, "CHANGE FILE SETTINGS");break; + case MFDES_CREATE_STD_DATA_FILE :snprintf(exp, size, "CREATE STD DATA FILE");break; + case MFDES_CREATE_BACKUP_DATA_FILE :snprintf(exp, size, "CREATE BACKUP DATA FILE");break; + case MFDES_CREATE_VALUE_FILE :snprintf(exp, size, "CREATE VALUE FILE");break; + case MFDES_CREATE_LINEAR_RECORD_FILE :snprintf(exp, size, "CREATE LINEAR RECORD FILE");break; + case MFDES_CREATE_CYCLIC_RECORD_FILE :snprintf(exp, size, "CREATE CYCLIC RECORD FILE");break; + case MFDES_DELETE_FILE :snprintf(exp, size, "DELETE FILE");break; + case MFDES_AUTHENTICATE :snprintf(exp, size, "AUTH NATIVE (keyNo %d)", cmd[pos+1]);break; // AUTHENTICATE_NATIVE + case MFDES_AUTHENTICATE_ISO :snprintf(exp, size, "AUTH ISO (keyNo %d)", cmd[pos+1]);break; // AUTHENTICATE_STANDARD + case MFDES_AUTHENTICATE_AES :snprintf(exp, size, "AUTH AES (keyNo %d)", cmd[pos+1]);break; + case MFDES_CHANGE_KEY_SETTINGS :snprintf(exp, size, "CHANGE KEY SETTINGS");break; + case MFDES_GET_KEY_SETTINGS :snprintf(exp, size, "GET KEY SETTINGS");break; + case MFDES_CHANGE_KEY :snprintf(exp, size, "CHANGE KEY");break; + case MFDES_GET_KEY_VERSION :snprintf(exp, size, "GET KEY VERSION");break; + case MFDES_AUTHENTICATION_FRAME :snprintf(exp, size, "AUTH FRAME / NEXT FRAME");break; + default :break; + } + }else{ + // anything else + snprintf(exp,size,"?"); + } + } +} + +/** +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) +**/ + +void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) { + switch(cmd[0]){ + case ISO14443B_REQB : { + + switch ( cmd[2] & 0x07 ) { + case 0: snprintf(exp, size,"1 slot ");break; + case 1: snprintf(exp, size,"2 slots ");break; + case 2: snprintf(exp, size,"4 slots ");break; + case 3: snprintf(exp, size,"8 slots ");break; + default: snprintf(exp, size,"16 slots ");break; + } + if ( (cmd[2] & 0x8) ) + snprintf(exp, size,"WUPB"); + else + snprintf(exp, size,"REQB"); + break; + } + case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break; + case ISO14443B_HALT : snprintf(exp,size,"HALT");break; + case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break; + case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break; + case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break; + case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break; + case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break; + case ISO14443B_RESET : snprintf(exp,size,"RESET");break; + case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break; + case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break; + case ISO14443B_PING : snprintf(exp,size,"PING");break; + case ISO14443B_PONG : snprintf(exp,size,"PONG");break; + default : snprintf(exp,size ,"?");break; + } +} + +// LEGIC +// 1 = read +// 0 = write +// Quite simpel tag +void annotateLegic(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){ + uint8_t bitsend = cmd[0]; + uint8_t cmdBit = (cmd[1] & 1); + switch (bitsend){ + case 7: + snprintf(exp, size, "IV 0x%02X", cmd[1]); + break; + case 6: { + switch ( cmd[1] ) { + case LEGIC_MIM_22: snprintf(exp, size, "MIM22"); break; + case LEGIC_MIM_256: snprintf(exp, size, "MIM256"); break; + case LEGIC_MIM_1024: snprintf(exp, size, "MIM1024"); break; + case LEGIC_ACK_22: snprintf(exp, size, "ACK 22"); break; + case LEGIC_ACK_256: snprintf(exp, size, "ACK 256/1024"); break; + } + break; + } + case 9: + case 11: { + + uint16_t address = (cmd[2] << 7) | cmd[1] >> 1; + + if (cmdBit == LEGIC_READ) + snprintf(exp, size, "READ Byte(%d)", address); + + if (cmdBit == LEGIC_WRITE ) + snprintf(exp, size, "WRITE Byte(%d)", address); + break; + } + case 21: { + if (cmdBit == LEGIC_WRITE ) { + uint16_t address = ((cmd[2] << 7) | cmd[1] >> 1) & 0xFF; + uint8_t val = (cmd[3] & 1 ) << 7 | cmd[2] >> 1; + snprintf(exp, size, "WRITE Byte(%d) %02X", address, val); + } + break; + } + case 23: { + if (cmdBit == LEGIC_WRITE ) { + uint16_t address = ((cmd[2] << 7) | cmd[1] >> 1) & 0x3FF; + uint8_t val = (cmd[3] & 0x7 ) << 5 | cmd[2] >> 3; + snprintf(exp, size, "WRITE Byte(%d) %02X", address, val); + } + break; + } + case 12: + default: + break; + } +} + +/** + * @brief iso14443A_CRC_check 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 iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len) +{ + uint8_t b1,b2; + + if(len <= 2) return 2; + + if(isResponse & (len < 6)) return 2; + + ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2); + if (b1 != data[len-2] || b2 != data[len-1]) { + return 0; + } else { + return 1; + } +} + + +/** + * @brief iso14443B_CRC_check 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) { - UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF}; - SendCommand(&c); - return 0; + 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; } -static command_t CommandTable[] = +/** + * @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) { - {"help", CmdHelp, 1, "This help"}, - {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"}, - {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"}, - {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"}, - {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"}, - {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"}, - {NULL, NULL, 0, NULL} -}; + 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 -int CmdHF(const char *Cmd) + 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]; + } +} + +bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen) { - CmdsParse(CommandTable, Cmd); - return 0; + return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen); } -int CmdHelp(const char *Cmd) + +bool next_record_is_response(uint16_t tracepos, uint8_t *trace) { - CmdsHelp(CommandTable); - return 0; + uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t))); + + return(next_records_datalen & 0x8000); +} + + +bool merge_topaz_reader_frames(uint32_t timestamp, uint32_t *duration, uint16_t *tracepos, uint16_t traceLen, uint8_t *trace, uint8_t *frame, uint8_t *topaz_reader_command, uint16_t *data_len) +{ + +#define MAX_TOPAZ_READER_CMD_LEN 16 + + uint32_t last_timestamp = timestamp + *duration; + + if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false; + + memcpy(topaz_reader_command, frame, *data_len); + + while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) { + uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos)); + *tracepos += sizeof(uint32_t); + uint16_t next_duration = *((uint16_t *)(trace + *tracepos)); + *tracepos += sizeof(uint16_t); + uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF; + *tracepos += sizeof(uint16_t); + uint8_t *next_frame = (trace + *tracepos); + *tracepos += next_data_len; + if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) { + memcpy(topaz_reader_command + *data_len, next_frame, next_data_len); + *data_len += next_data_len; + last_timestamp = next_timestamp + next_duration; + } else { + // rewind and exit + *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t); + break; + } + uint16_t next_parity_len = (next_data_len-1)/8 + 1; + *tracepos += next_parity_len; + } + + *duration = last_timestamp - timestamp; + + return true; +} + + +uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes) +{ + bool isResponse; + uint16_t data_len, parity_len; + uint32_t duration; + uint8_t topaz_reader_command[9]; + uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp; + char explanation[30] = {0}; + + if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen; + + first_timestamp = *((uint32_t *)(trace)); + timestamp = *((uint32_t *)(trace + tracepos)); + + 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 > traceLen) { + return traceLen; + } + uint8_t *frame = trace + tracepos; + tracepos += data_len; + uint8_t *parityBytes = trace + tracepos; + tracepos += parity_len; + + if (protocol == TOPAZ && !isResponse) { + // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each. + // merge them: + if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) { + frame = topaz_reader_command; + } + } + + //Check the CRC status + uint8_t crcStatus = 2; + + if (data_len > 2) { + switch (protocol) { + case ICLASS: + crcStatus = iclass_CRC_check(isResponse, frame, data_len); + break; + case ISO_14443B: + case TOPAZ: + crcStatus = iso14443B_CRC_check(isResponse, frame, data_len); + break; + case ISO_14443A: + case MFDES: + crcStatus = iso14443A_CRC_check(isResponse, frame, data_len); + break; + default: + break; + } + } + //0 CRC-command, CRC not ok + //1 CRC-command, CRC ok + //2 Not crc-command + + //--- Draw the data column + char line[16][110]; + + for (int j = 0; j < data_len && j/16 < 16; 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 (protocol != LEGIC && protocol != ISO_14443B && protocol != ISO_7816_4 && (isResponse || protocol == ISO_14443A) && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) { + snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]); + } else { + snprintf(line[j/16]+(( j % 16) * 4),110, "%02x ", frame[j]); + } + + } + + if (markCRCBytes) { + //CRC-command + if(crcStatus == 0 || crcStatus == 1) { + char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4); + (*pos1) = '['; + char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4); + sprintf(pos2, "%c", ']'); + } + } + + if (data_len == 0 ) { + sprintf(line[0],""); + return tracepos; + } + + // Draw the CRC column + char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " ")); + + EndOfTransmissionTimestamp = timestamp + duration; + + // Always annotate LEGIC read/tag + if ( protocol == LEGIC ) + annotateLegic(explanation,sizeof(explanation),frame,data_len); + + if (!isResponse) { + switch(protocol) { + case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break; + case ISO_14443A: annotateIso14443a(explanation,sizeof(explanation),frame,data_len); break; + case MFDES: annotateMfDesfire(explanation,sizeof(explanation),frame,data_len); break; + case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break; + case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break; + case ISO_7816_4: annotateIso7816(explanation,sizeof(explanation),frame,data_len); break; + + default: break; + } + } + + int num_lines = MIN((data_len - 1)/16 + 1, 16); + for (int j = 0; j < num_lines ; j++) { + if (j == 0) { + PrintAndLog(" %10u | %10u | %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 : ""); + } + } + + if (is_last_record(tracepos, trace, traceLen)) return traceLen; + + if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) { + uint32_t next_timestamp = *((uint32_t *)(trace + tracepos)); + PrintAndLog(" %10u | %10u | %s |fdt (Frame Delay Time): %d", + (EndOfTransmissionTimestamp - first_timestamp), + (next_timestamp - first_timestamp), + " ", + (next_timestamp - EndOfTransmissionTimestamp)); + } + + return tracepos; +} + +int usage_hf_list(){ + PrintAndLog("List protocol data in trace buffer."); + PrintAndLog("Usage: hf list [f][c]"); + PrintAndLog(" f - show frame delay times as well"); + PrintAndLog(" c - mark CRC bytes"); + PrintAndLog("Supported values:"); + PrintAndLog(" raw - just show raw data without annotations"); + PrintAndLog(" 14a - interpret data as iso14443a communications"); + PrintAndLog(" 14b - interpret data as iso14443b communications"); + PrintAndLog(" des - interpret data as DESFire communications"); + PrintAndLog(" iclass - interpret data as iclass communications"); + PrintAndLog(" topaz - interpret data as topaz communications"); + PrintAndLog(" 7816 - interpret data as iso7816-4 communications"); + PrintAndLog(" legic - interpret data as LEGIC communications"); + PrintAndLog(""); + PrintAndLog("example: hf list 14a f"); + PrintAndLog(" hf list iclass"); + return 0; +} +int usage_hf_search(){ + PrintAndLog("Usage: hf search"); + PrintAndLog("Will try to find a HF read out of the unknown tag. Stops when found."); + PrintAndLog("Options:"); + PrintAndLog(" h - This help"); + PrintAndLog(""); + return 0; +} +int usage_hf_snoop(){ + PrintAndLog("Usage: hf snoop "); + PrintAndLog("The high frequence snoop will assign all available memory on device for snooped data"); + PrintAndLog("User the 'data samples' command to download from device, and 'data plot' to look at it"); + PrintAndLog("Press button to quit the snooping."); + PrintAndLog("Options:"); + PrintAndLog(" h - This help"); + PrintAndLog(" - skip sample pairs"); + PrintAndLog(" - skip number of triggers"); + PrintAndLog(""); + PrintAndLog("example: hf snoop"); + PrintAndLog(" hf snoop 1000 0"); + return 0; +} + +int CmdHFList(const char *Cmd) { + clearCommandBuffer(); + + bool showWaitCycles = false; + bool markCRCBytes = false; + char type[10] = {0}; + //int tlen = param_getstr(Cmd,0,type); + char param1 = param_getchar(Cmd, 1); + char param2 = param_getchar(Cmd, 2); + bool errors = false; + uint8_t protocol = 0; + + //Validate params H or empty + if (strlen(Cmd) < 1 || param1 == 'h' || param1 == 'H') return usage_hf_list(); + + //Validate params F,C + if( + (param1 != 0 && param1 != 'f' && param1 != 'c') || + (param2 != 0 && param2 != 'f' && param2 != 'c') + ) { + return usage_hf_list(); + } + + param_getstr(Cmd,0,type); + + // validate type of output + 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, "topaz")== 0) protocol = TOPAZ; + else if(strcmp(type, "7816")== 0) protocol = ISO_7816_4; + else if(strcmp(type,"des")== 0) protocol = MFDES; + else if(strcmp(type,"legic")==0) protocol = LEGIC; + else if(strcmp(type, "raw")== 0) protocol = -1;//No crc, no annotations + else errors = true; + + if (errors) return usage_hf_list(); + + if (param1 == 'f' || param2 == 'f') showWaitCycles = true; + if (param1 == 'c' || param2 == 'c') markCRCBytes = true; + + uint8_t *trace; + uint16_t tracepos = 0; + trace = malloc(USB_CMD_DATA_SIZE); + + // Query for the size of the trace + UsbCommand response; + GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0); + WaitForResponse(CMD_ACK, &response); + uint16_t traceLen = response.arg[2]; + if (traceLen > USB_CMD_DATA_SIZE) { + uint8_t *p = realloc(trace, traceLen); + if (p == NULL) { + PrintAndLog("Cannot allocate memory for trace"); + free(trace); + return 2; + } + trace = p; + GetFromBigBuf(trace, traceLen, 0); + WaitForResponse(CMD_ACK, NULL); + } + + PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen); + PrintAndLog(""); + PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer"); + if ( protocol == ISO_14443A ) + PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)"); + if ( protocol == ICLASS ) + PrintAndLog("iClass - Timings are not as accurate"); + if ( protocol == LEGIC ) + PrintAndLog("LEGIC - Timings are in ticks (1us == 1.5ticks)"); + PrintAndLog(""); + PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |"); + PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|"); + + while(tracepos < traceLen) { + tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes); + } + + free(trace); + return 0; +} + +int CmdHFSearch(const char *Cmd){ + + char cmdp = param_getchar(Cmd, 0); + if (cmdp == 'h' || cmdp == 'H') return usage_hf_search(); + + PrintAndLog(""); + int ans = CmdHF14AReader("s"); + if (ans > 0) { + PrintAndLog("\nValid ISO14443-A Tag Found - Quiting Search\n"); + return ans; + } + ans = HF14BReader(false); //CmdHF14BReader("s"); + if (ans) { + PrintAndLog("\nValid ISO14443-B Tag Found - Quiting Search\n"); + return ans; + } + ans = HF15Reader("", false); + if (ans) { + PrintAndLog("\nValid ISO15693 Tag Found - Quiting Search\n"); + return ans; + } + ans = HFLegicReader("", false); + if ( ans == 0) { + PrintAndLog("\nValid LEGIC Tag Found - Quiting Search\n"); + return 1; + } + ans = CmdHFTopazReader("s"); + if (ans == 0) { + PrintAndLog("\nValid Topaz Tag Found - Quiting Search\n"); + return 1; + } + ans = HFiClassReader("", false, false); + if (ans) { + PrintAndLog("\nValid iClass Tag (or PicoPass Tag) Found - Quiting Search\n"); + return ans; + } + + PrintAndLog("\nno known/supported 13.56 MHz tags found\n"); + return 0; +} + +int CmdHFSnoop(const char *Cmd) { + char cmdp = param_getchar(Cmd, 0); + if (cmdp == 'h' || cmdp == 'H') return usage_hf_snoop(); + + int skippairs = param_get32ex(Cmd, 0, 0, 10); + int skiptriggers = param_get32ex(Cmd, 1, 0, 10); + + UsbCommand c = {CMD_HF_SNIFFER, {skippairs, skiptriggers, 0}}; + clearCommandBuffer(); + SendCommand(&c); + return 0; +} + +static command_t CommandTable[] = { + {"help", CmdHelp, 1, "This help"}, + {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"}, + {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"}, + {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"}, + {"epa", CmdHFEPA, 1, "{ German Identification Card... }"}, + {"legic", CmdHFLegic, 1, "{ LEGIC RFIDs... }"}, + {"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"}, + {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"}, + {"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"}, + {"mfdes", CmdHFMFDes, 1, "{ MIFARE Desfire RFIDs... }"}, + {"topaz", CmdHFTopaz, 1, "{ TOPAZ (NFC Type 1) RFIDs... }"}, + {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"}, + {"list", CmdHFList, 1, "List protocol data in trace buffer"}, + {"search", CmdHFSearch, 1, "Search for known HF tags [preliminary]"}, + {"snoop", CmdHFSnoop, 0, " Generic LF/HF Snoop in Testing stage"}, + {NULL, NULL, 0, NULL} +}; + +int CmdHF(const char *Cmd) { + clearCommandBuffer(); + CmdsParse(CommandTable, Cmd); + return 0; +} + +int CmdHelp(const char *Cmd) { + CmdsHelp(CommandTable); + return 0; }