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no need to loop, only one block

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Unknown 2020-06-25 19:49:04 +02:00
parent 5a87f1f3db
commit dd96571f88
1 changed files with 10 additions and 13 deletions
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23
utils/nfc-mfclassic.c
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@ -491,17 +491,16 @@ write_card(int write_block_zero)
//Write Block 0 if requested to do so
if (write_block_zero) {
for (uiBlock = 0; uiBlock < 1; uiBlock++) {
if (is_first_block(uiBlock)) {
if (bFailure) {
// When a failure occured we need to redo the anti-collision
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) <= 0) {
uiBlock = 0;
is_first_block(0);
if (bFailure) {
// When a failure occured we need to redo the anti-collision
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) <= 0) {
printf("!\nError: tag was removed\n");
return false;
}
bFailure = false;
}
bFailure = false;
}
fflush(stdout);
// Try to authenticate for the current sector
@ -509,12 +508,11 @@ write_card(int write_block_zero)
// If we're writing to a One Time Write, we need to authenticate
// If we're writing something else, we'll need to authenticate
if ((write_block_zero && magic3) || !write_block_zero) {
if (!authenticate(uiBlock) && !bTolerateFailures) {
printf("!\nError: authentication failed for block %02x\n", uiBlock);
if (!authenticate(0) && !bTolerateFailures) {
printf("!\nError: authentication failed for block 00\n");
return false;
}
}
}
// Make sure a earlier write did not fail
if (!bFailure) {
@ -531,7 +529,7 @@ write_card(int write_block_zero)
}
if (!nfc_initiator_mifare_cmd(pnd, MC_WRITE, uiBlock, &mp)) {
bFailure = true;
printf("Failure to write to data block %i\n", uiBlock);
printf("Failure to write to data block 0\n");
}
} else {
@ -544,7 +542,6 @@ write_card(int write_block_zero)
return false;
}
}
printf("|\n");
printf("Done, %d of %d blocks written.\n", uiWriteBlocks, uiBlocks + 1);