X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/b03006794fc64e8b2e3f38cb9add5e19128f2f6f..68410a4892c9679abc0e2cf3c9c1efb95651fa4f:/client/mifarehost.c diff --git a/client/mifarehost.c b/client/mifarehost.c index 4e9ac539..3e8362c5 100644 --- a/client/mifarehost.c +++ b/client/mifarehost.c @@ -218,14 +218,13 @@ out: } int mfCheckKeys (uint8_t blockNo, uint8_t keyType, bool clear_trace, uint8_t keycnt, uint8_t * keyBlock, uint64_t * key){ - *key = 0; UsbCommand c = {CMD_MIFARE_CHKKEYS, { (blockNo | (keyType<<8)), clear_trace, keycnt}}; memcpy(c.d.asBytes, keyBlock, 6 * keycnt); clearCommandBuffer(); SendCommand(&c); UsbCommand resp; - if (!WaitForResponseTimeout(CMD_ACK,&resp, 2500)) return 1; + if (!WaitForResponseTimeout(CMD_ACK, &resp, 2500)) return 1; if ((resp.arg[0] & 0xff) != 0x01) return 2; *key = bytes_to_num(resp.d.asBytes, 6); return 0; @@ -250,14 +249,12 @@ int mfEmlSetMem(uint8_t *data, int blockNum, int blocksCount) { int mfEmlSetMem_xt(uint8_t *data, int blockNum, int blocksCount, int blockBtWidth) { UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNum, blocksCount, blockBtWidth}}; memcpy(c.d.asBytes, data, blocksCount * blockBtWidth); - clearCommandBuffer(); SendCommand(&c); return 0; } // "MAGIC" CARD - int mfCSetUID(uint8_t *uid, uint8_t *atqa, uint8_t *sak, uint8_t *oldUID, uint8_t wipecard) { uint8_t params = MAGIC_SINGLE; @@ -330,6 +327,7 @@ int mfCGetBlock(uint8_t blockNo, uint8_t *data, uint8_t params) { } // SNIFFER +// [iceman] so many global variables.... // constants static uint8_t trailerAccessBytes[4] = {0x08, 0x77, 0x8F, 0x00}; @@ -343,7 +341,6 @@ static uint8_t traceCurBlock = 0; static uint8_t traceCurKey = 0; struct Crypto1State *traceCrypto1 = NULL; - struct Crypto1State *revstate = NULL; uint64_t key = 0; @@ -476,7 +473,8 @@ void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len, bool i int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) { uint8_t data[64]; - + memset(data, 0x00, sizeof(data)); + if (traceState == TRACE_ERROR) return 1; if (len > 64) { @@ -502,7 +500,7 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) { } // AUTHENTICATION - if ((len == 4) && ((data[0] == 0x60) || (data[0] == 0x61))) { + if ((len == 4) && ((data[0] == MIFARE_AUTH_KEYA) || (data[0] == MIFARE_AUTH_KEYB))) { traceState = TRACE_AUTH1; traceCurBlock = data[1]; traceCurKey = data[0] == 60 ? 1:0; @@ -510,21 +508,21 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) { } // READ - if ((len ==4) && ((data[0] == 0x30))) { + if ((len ==4) && ((data[0] == ISO14443A_CMD_READBLOCK))) { traceState = TRACE_READ_DATA; traceCurBlock = data[1]; return 0; } // WRITE - if ((len ==4) && ((data[0] == 0xA0))) { + if ((len ==4) && ((data[0] == ISO14443A_CMD_WRITEBLOCK))) { traceState = TRACE_WRITE_OK; traceCurBlock = data[1]; return 0; } // HALT - if ((len ==4) && ((data[0] == 0x50) && (data[1] == 0x00))) { + if ((len ==4) && ((data[0] == ISO14443A_CMD_HALT) && (data[1] == 0x00))) { traceState = TRACE_ERROR; // do not decrypt the next commands return 0; }