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Correct ACL RO check

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See commit 1cb843a22b

Signed-off-by: team-orangeBlue <63470411+team-orangeBlue@users.noreply.github.com>
This commit is contained in:
team-orangeBlue
2026-04-11 00:41:31 +03:00
committed by GitHub
parent 1cb843a22b
commit 9e52f0701f
1 changed files with 8 additions and 2 deletions
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client/src/cmdhfmf.c
+8 -2
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@@ -869,10 +869,16 @@ static int mf_analyse_st_block(uint8_t blockno, uint8_t *block, bool force) {
}
bool ro_detected = false;
uint8_t bar = mfNumBlocksPerSector(mfSectorNum(blockno));
//uint8_t bar = mfNumBlocksPerSector(mfSectorNum(blockno));
uint8_t bar = 4;
for (uint8_t foo = 0; foo < bar; foo++) {
if (mfReadOnlyAccessConditions(foo, &block[6])) {
PrintAndLogEx(WARNING, "Strict ReadOnly Access Conditions on block " _YELLOW_("%u") " detected", blockno - bar + 1 + foo);
// WARNING: Sectors 33+ assume ACLs apply to groups of 4 blocks, not 1 block.
// The code as-is is bugged and actually wastes iterations. If you have 16 blocks, it'll run all 16 but only error out like it's a 4-block sector.
if (blockno<127)
PrintAndLogEx(WARNING, "Strict ReadOnly Access Conditions on block " _YELLOW_("%u") " detected", blockno - bar + 1 + foo);
else
PrintAndLogEx(WARNING, "Strict ReadOnly Access Conditions on blocks " _YELLOW_("%u-%u") " detected", blockno - bar*4 + 1 + foo*5, blockno - bar*4 + 1 + foo*5 + 4);
ro_detected = true;
}
}