From 41fdd0f061ae7ef4cdc5bfc027f1097c990c3318 Mon Sep 17 00:00:00 2001 From: Martin Holst Swende Date: Fri, 16 Jan 2015 22:41:19 +0100 Subject: [PATCH] First stab at adding 'hf list 14b' and 'hf list raw' --- client/cmdhf.c | 112 ++++++++++++++++++++++++++++++++++++------------- 1 file changed, 83 insertions(+), 29 deletions(-) diff --git a/client/cmdhf.c b/client/cmdhf.c index 33d01aee..20ca057b 100644 --- a/client/cmdhf.c +++ b/client/cmdhf.c @@ -137,14 +137,14 @@ NXP/Philips CUSTOM COMMANDS #define ICLASS_CMD_READ4 0x06 -#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 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 @@ -180,14 +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) @@ -198,7 +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) @@ -209,11 +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; @@ -281,10 +284,44 @@ 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; + } + +} + +/** + * @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 @@ -294,7 +331,7 @@ void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) * 1 : CRC-command, CRC ok * 2 : Not crc-command */ -uint8_t iclass_CRC_Ok(bool isResponse, uint8_t* data, uint8_t len) +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 @@ -346,7 +383,7 @@ uint8_t iclass_CRC_Ok(bool isResponse, uint8_t* data, uint8_t len) } } -uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool showWaitCycles) +uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, uint8_t protocol, bool showWaitCycles) { bool isResponse; uint16_t duration, data_len,parity_len; @@ -405,12 +442,15 @@ uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool sho if (data_len > 2) { uint8_t b1, b2; - if(iclass) + if(protocol == ICLASS) { - //The following commands have crc - crcStatus = iclass_CRC_Ok(isResponse, frame, data_len); + crcStatus = iclass_CRC_check(isResponse, frame, data_len); - }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); @@ -431,10 +471,12 @@ uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool sho if(!isResponse) { - if(iclass) + if(protocol == ICLASS) annotateIclass(explanation,sizeof(explanation),frame,data_len); - else + 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; @@ -477,7 +519,7 @@ 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 = false; //Validate params if(tlen == 0 || (strcmp(type, "iclass") != 0 && strcmp(type,"14a") != 0)) { @@ -490,9 +532,11 @@ int CmdHFList(const char *Cmd) 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"); @@ -501,7 +545,17 @@ int CmdHFList(const char *Cmd) } if(strcmp(type, "iclass") == 0) { - iclass = true; + 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 } if (param == 'f') { @@ -525,7 +579,7 @@ int CmdHFList(const char *Cmd) while(tracepos < TRACE_SIZE) { - tracepos = printTraceLine(tracepos, trace, iclass, showWaitCycles); + tracepos = printTraceLine(tracepos, trace, protocol, showWaitCycles); } return 0; } -- 2.39.2