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check ATR length

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This commit is contained in:
merlokk
2019-02-20 19:37:30 +02:00
parent d589e9cd45
commit 2c4db1ce7c
1 changed files with 4 additions and 0 deletions
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4
client/emv/cmdemv.c
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@@ -1444,6 +1444,10 @@ int CmdEMVScan(const char *cmd) {
smart_card_atr_t card; smart_card_atr_t card;
smart_select(true, &card); smart_select(true, &card);
if (!card.atr_len) {
PrintAndLogEx(ERR, "Can't get ATR from a smart card.");
return 1;
}
JsonSaveStr(root, "$.Card.Contact.Communication", "iso7816"); JsonSaveStr(root, "$.Card.Contact.Communication", "iso7816");
JsonSaveBufAsHex(root, "$.Card.Contact.ATR", (uint8_t *)card.atr, card.atr_len); JsonSaveBufAsHex(root, "$.Card.Contact.ATR", (uint8_t *)card.atr, card.atr_len);