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fix 14443 apdu decode and select

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This commit is contained in:
merlokk 2019-07-04 17:52:00 +03:00
parent 75b1d9cd01
commit 4845d2c172
2 changed files with 6 additions and 11 deletions
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6
fido2/apdu.c
View File

@ -33,7 +33,7 @@ int apdu_decode(uint8_t *data, size_t len, APDU_STRUCT *apdu)
}
// case 2S (Le)
if (len == 5 && b0 != 0)
if (len == 5)
{
apdu->case_type = 0x02;
apdu->le = b0;
@ -108,9 +108,9 @@ int apdu_decode(uint8_t *data, size_t len, APDU_STRUCT *apdu)
{
if (apdu->extended_apdu)
{
apdu->data = data + 5;
} else {
apdu->data = data + 7;
} else {
apdu->data = data + 5;
}
}

11
targets/stm32l432/src/nfc.c
View File

@ -457,11 +457,11 @@ void nfc_process_iblock(uint8_t * buf, int len)
APDU_STRUCT apdu;
if (apdu_decode(buf + block_offset, len - block_offset, &apdu)) {
printf1(TAG_NFC,"apdu decode error\n");
printf1(TAG_NFC,"apdu decode error\r\n");
nfc_write_response(buf[0], SW_COND_USE_NOT_SATISFIED);
return;
}
printf1(TAG_NFC,"apdu ok. %scase=%02x cla=%02x ins=%02x p1=%02x p2=%02x lc=%d le=%d\n",
printf1(TAG_NFC,"apdu ok. %scase=%02x cla=%02x ins=%02x p1=%02x p2=%02x lc=%d le=%d\r\n",
apdu.extended_apdu ? "[e]":"", apdu.case_type, apdu.cla, apdu.ins, apdu.p1, apdu.p2, apdu.lc, apdu.le);
// TODO this needs to be organized better
@ -485,11 +485,6 @@ void nfc_process_iblock(uint8_t * buf, int len)
selected = select_applet(apdu.data, apdu.lc);
if (selected == APP_FIDO)
{
// block = buf[0] & 1;
// block = NFC_STATE.block_num;
// block = !block;
// NFC_STATE.block_num = block;
// NFC_STATE.block_num = block;
nfc_write_response_ex(buf[0], (uint8_t *)"U2F_V2", 6, SW_SUCCESS);
printf1(TAG_NFC, "FIDO applet selected.\r\n");
}
@ -501,7 +496,7 @@ void nfc_process_iblock(uint8_t * buf, int len)
else
{
nfc_write_response(buf[0], SW_FILE_NOT_FOUND);
printf1(TAG_NFC, "NOT selected\r\n"); dump_hex1(TAG_NFC, apdu.data, apdu.lc);
printf1(TAG_NFC, "NOT selected "); dump_hex1(TAG_NFC, apdu.data, apdu.lc);
}
}
break;