fix 'lf pcf7931 bruteforce' (bug reported in http://www.proxmark.org/forum/viewtopic...

[proxmark3-svn] / client / cmdsmartcard.c

diff --git a/client/cmdsmartcard.c b/client/cmdsmartcard.c
index ac642fc992a5956fcea2f98fffaf5ed1c96084cf..b0d96f1320f422848b48c74c7d0ba5b55ef188f6 100644 (file)
--- a/client/cmdsmartcard.c
+++ b/client/cmdsmartcard.c
@@ -311,7 +311,7 @@ static int PrintATR(uint8_t *atr, size_t atrlen) {
        return 0;
 }
 
        return 0;
 }
 

-static bool smart_getATR(smart_card_atr_t *card)
+bool smart_getATR(smart_card_atr_t *card)

 {
        if (UseAlternativeSmartcardReader) {
                return pcscGetATR(card);
 {
        if (UseAlternativeSmartcardReader) {
                return pcscGetATR(card);


@@ -804,6 +804,11 @@ static int CmdSmartInfo(const char *Cmd){
                if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
                return 1;
        }
                if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
                return 1;
        }

+       
+       if (!card.atr_len) {
+               if (!silent) PrintAndLogEx(ERR, "can't get ATR from a smart card");
+               return 1;
+       }

 
        // print header
        PrintAndLogEx(INFO, "--- Smartcard Information ---------");
 
        // print header
        PrintAndLogEx(INFO, "--- Smartcard Information ---------");