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TLV ndef lock and memory control decoding

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merlokk 2020-04-02 20:21:51 +03:00
parent 2d31a3a22d
commit 627499247f
1 changed files with 24 additions and 2 deletions
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26
client/mifare/ndef.c
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@ -447,8 +447,20 @@ int NDEFDecodeAndPrint(uint8_t *ndef, size_t ndefLen, bool verbose) {
indx++;
uint16_t len = ndefTLVGetLength(&ndef[indx], &indx);
PrintAndLogEx(INFO, "-- NDEF Lock Control.");
if (len != 3)
if (len != 3) {
PrintAndLogEx(WARNING, "NDEF Lock Control block size must be 3 instead of %d.", len);
} else {
uint8_t ByteOffset = (ndef[indx] >> 4) & 0x0f;
uint8_t PagesAddr = ndef[indx] & 0x0f;
uint8_t Size = ndef[indx + 1];
uint8_t BytesPerPage = (ndef[indx + 2] >> 4) & 0x0f;
uint8_t BytesLockedPerLockBit = ndef[indx + 2] & 0x0f;
PrintAndLogEx(SUCCESS, "PagesAddr. number of pages: %d", PagesAddr);
PrintAndLogEx(SUCCESS, "ByteOffset. number of bytes: %d", ByteOffset);
PrintAndLogEx(SUCCESS, "Size. size in bits of the lock area: %d. bytes approx: %d", Size, Size / 8);
PrintAndLogEx(SUCCESS, "BytesPerPage. number of bytes per page: %d", BytesPerPage);
PrintAndLogEx(SUCCESS, "BytesLockedPerLockBit. number of bytes that each dynamic lock bit is able to lock: %d", BytesLockedPerLockBit);
}
indx += len;
break;
}
@ -456,8 +468,18 @@ int NDEFDecodeAndPrint(uint8_t *ndef, size_t ndefLen, bool verbose) {
indx++;
uint16_t len = ndefTLVGetLength(&ndef[indx], &indx);
PrintAndLogEx(INFO, "-- NDEF Memory Control.");
if (len != 3)
if (len != 3) {
PrintAndLogEx(WARNING, "NDEF Memory Control block size must be 3 instead of %d.", len);
} else {
uint8_t PagesAddr = (ndef[indx] >> 4) & 0x0f;
uint8_t ByteOffset = ndef[indx] & 0x0f;
uint8_t Size = ndef[indx + 1];
uint8_t BytesPerPage = (ndef[indx + 2] >> 4) & 0x0f;
PrintAndLogEx(SUCCESS, "PagesAddr. number of pages: %d", PagesAddr);
PrintAndLogEx(SUCCESS, "ByteOffset. number of bytes: %d", ByteOffset);
PrintAndLogEx(SUCCESS, "Size. size in bits of the reserved area: %d. bytes approx: %d", Size, Size / 8);
PrintAndLogEx(SUCCESS, "BytesPerPage. number of bytes per page: %d", BytesPerPage);
}
indx += len;
break;
}