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partial fix of nfc-mfclassic which only writes first sector of each block and not sector 1,2,3 unles 'unlocked' write - debuggers still in!

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Adam Laurie 2020-06-23 14:08:04 +01:00 committed by Unknown
parent 4b7791f845
commit a28a537610
1 changed files with 8 additions and 3 deletions
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9
utils/nfc-mfclassic.c
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@ -426,7 +426,8 @@ write_card(int write_block_zero)
printf("Writing %d blocks |", uiBlocks + 1);
// Completely write the card, end to start, but skipping block 0
for (uiBlock = 4; uiBlock <= uiBlocks; uiBlock++) {
for (uiBlock = 0; uiBlock <= uiBlocks; uiBlock++) {
printf("{%d}",uiBlock);
// Authenticate everytime we reach the first sector of a new block
if (is_first_block(uiBlock)) {
if (bFailure) {
@ -438,6 +439,7 @@ write_card(int write_block_zero)
bFailure = false;
}
printf("[%d]",uiBlock);
fflush(stdout);
// Try to authenticate for the current sector
@ -450,8 +452,10 @@ write_card(int write_block_zero)
return false;
}
}
}
if (is_trailer_block(uiBlock)) {
printf("t");
if (bFormatCard) {
// Copy the default key and reset the access bits
memcpy(mp.mpt.abtKeyA, default_key, sizeof(mp.mpt.abtKeyA));
@ -482,6 +486,7 @@ write_card(int write_block_zero)
memset(mp.mpd.abtData, 0x00, sizeof(mp.mpd.abtData));
else
memcpy(mp.mpd.abtData, mtDump.amb[uiBlock].mbd.abtData, sizeof(mp.mpd.abtData));
printf("(%d)%d",uiBlock,sizeof(mp.mpd.abtData));
// do not write a block 0 with incorrect BCC - card will be made invalid!
if (uiBlock == 0) {
if ((mp.mpd.abtData[0] ^ mp.mpd.abtData[1] ^ mp.mpd.abtData[2] ^ mp.mpd.abtData[3] ^ mp.mpd.abtData[4]) != 0x00 && !magic2) {
@ -499,7 +504,7 @@ write_card(int write_block_zero)
printf("Failure during write process.\n");
}
}
}
//}
// Show if the write went well for each block
print_success_or_failure(bFailure, &uiWriteBlocks);
if ((! bTolerateFailures) && bFailure)