X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/968cb35498c6d6331a4c65b1f23dad2bbeb79f6f..1b902aa01afa39ff413b74142cd56d092b4500a1:/armsrc/mifaresniff.c diff --git a/armsrc/mifaresniff.c b/armsrc/mifaresniff.c index f4879329..5391e5f9 100644 --- a/armsrc/mifaresniff.c +++ b/armsrc/mifaresniff.c @@ -35,7 +35,7 @@ bool MfSniffInit(void){ sniffSAK = 0; sniffUIDType = SNF_UID_4; - return FALSE; + return false; } bool MfSniffEnd(void){ @@ -43,7 +43,7 @@ bool MfSniffEnd(void){ cmd_send(CMD_ACK,0,0,0,0,0); LED_B_OFF(); - return FALSE; + return false; } bool RAMFUNC MfSniffLogic(const uint8_t *data, uint16_t len, uint8_t *parity, uint16_t bitCnt, bool reader) { @@ -59,37 +59,31 @@ bool RAMFUNC MfSniffLogic(const uint8_t *data, uint16_t len, uint8_t *parity, ui memset(sniffUID, 0x00, 8); memset(sniffATQA, 0x00, 2); sniffSAK = 0; - sniffState = SNF_WUPREQ; + sniffState = SNF_ATQA; + if (data[0] == 0x40) + sniffState = SNF_MAGIC_WUPC2; } break; } - case SNF_WUPREQ:{ + case SNF_MAGIC_WUPC2: + if ((len == 1) && (reader) && (data[0] == 0x43) ) { + sniffState = SNF_CARD_IDLE; + } + break; + case SNF_ATQA:{ if ((!reader) && (len == 2)) { // ATQA from tag memcpy(sniffATQA, data, 2); - sniffState = SNF_ATQA; + sniffState = SNF_UID1; } break; } - case SNF_ATQA: case SNF_UID1:{ - // SNF_ATQA - if ((reader) && (len == 2) && (data[0] == 0x93) && (data[1] == 0x20)) { // Select ALL from reader - sniffState = SNF_ANTICOL1; - } - - // SNF_UID1 if ((reader) && (len == 9) && (data[0] == 0x93) && (data[1] == 0x70) && (CheckCrc14443(CRC_14443_A, data, 9))) { // Select 4 Byte UID from reader memcpy(sniffUID + 3, &data[2], 4); sniffState = SNF_SAK; } break; } - case SNF_ANTICOL1:{ - if ((!reader) && (len == 5) && ((data[0] ^ data[1] ^ data[2] ^ data[3]) == data[4])) { // UID from tag (CL1) - sniffState = SNF_UID1; - } - break; - } case SNF_SAK:{ if ((!reader) && (len == 3) && (CheckCrc14443(CRC_14443_A, data, 3))) { // SAK from card? sniffSAK = data[0]; @@ -103,17 +97,7 @@ bool RAMFUNC MfSniffLogic(const uint8_t *data, uint16_t len, uint8_t *parity, ui } break; } - case SNF_ANTICOL2:{ - if ((!reader) && (len == 5) && ((data[0] ^ data[1] ^ data[2] ^ data[3]) == data[4])) { // CL2 UID - sniffState = SNF_UID2; - } - break; - } case SNF_UID2:{ - if ((reader) && (len == 2) && (data[0] == 0x95) && (data[1] == 0x20)) { - sniffState = SNF_ANTICOL2; - } - if ((reader) && (len == 9) && (data[0] == 0x95) && (data[1] == 0x70) && (CheckCrc14443(CRC_14443_A, data, 9))) { memcpy(sniffUID + 3, &data[2], 4); sniffState = SNF_SAK; @@ -128,11 +112,11 @@ bool RAMFUNC MfSniffLogic(const uint8_t *data, uint16_t len, uint8_t *parity, ui sniffBuf[11] = sniffSAK; sniffBuf[12] = 0xFF; sniffBuf[13] = 0xFF; - LogTrace(sniffBuf, 14, 0, 0, NULL, TRUE); + LogTrace(sniffBuf, 14, 0, 0, NULL, true); sniffState = SNF_CARD_CMD; } // intentionally no break; case SNF_CARD_CMD:{ - LogTrace(data, len, 0, 0, NULL, reader); + LogTrace(data, len, 0, 0, parity, reader); timerData = GetTickCount(); break; } @@ -143,14 +127,14 @@ bool RAMFUNC MfSniffLogic(const uint8_t *data, uint16_t len, uint8_t *parity, ui } - return FALSE; + return false; } bool RAMFUNC MfSniffSend(uint16_t maxTimeoutMs) { if (BigBuf_get_traceLen() && (GetTickCount() > timerData + maxTimeoutMs)) { return intMfSniffSend(); } - return FALSE; + return false; } // internal sending function. not a RAMFUNC. @@ -178,5 +162,5 @@ bool intMfSniffSend() { clear_trace(); - return TRUE; + return true; }