From: Oleg Moiseenko <olegmsn@gmail.com>
Date: Sun, 29 Oct 2017 15:34:51 +0000 (+0200)
Subject: small fixes in ReaderIso14443a() (#446)
X-Git-Tag: v3.1.0~139
X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/618c220c383db2b9cde32261e90a008b0fd2b736

small fixes in ReaderIso14443a() (#446)
---

diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index 026b177a..06a83feb 100644
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -1698,6 +1698,13 @@ int iso14443a_select_card(byte_t *uid_ptr, iso14a_card_select_t *p_hi14a_card, u
 	int cascade_level = 0;
 	int len;
 
+	// init card struct
+	if(p_hi14a_card) {
+		p_hi14a_card->uidlen = 0;
+		memset(p_hi14a_card->uid, 0, 10);
+		p_hi14a_card->ats_len = 0;
+	}
+
 	// Broadcast for a card, WUPA (0x52) will force response from all cards in the field
     ReaderTransmitBitsPar(wupa, 7, NULL, NULL);
 	
@@ -1706,8 +1713,6 @@ int iso14443a_select_card(byte_t *uid_ptr, iso14a_card_select_t *p_hi14a_card, u
 
 	if(p_hi14a_card) {
 		memcpy(p_hi14a_card->atqa, resp, 2);
-		p_hi14a_card->uidlen = 0;
-		memset(p_hi14a_card->uid,0,10);
 	}
 
 	if (anticollision) {
@@ -1813,7 +1818,6 @@ int iso14443a_select_card(byte_t *uid_ptr, iso14a_card_select_t *p_hi14a_card, u
 
 	if(p_hi14a_card) {
 		p_hi14a_card->sak = sak;
-		p_hi14a_card->ats_len = 0;
 	}
 
 	// non iso14443a compliant tag
@@ -1908,7 +1912,7 @@ void ReaderIso14443a(UsbCommand *c)
 	size_t lenbits = c->arg[1] >> 16;
 	uint32_t timeout = c->arg[2];
 	uint32_t arg0 = 0;
-	byte_t buf[USB_CMD_DATA_SIZE];
+	byte_t buf[USB_CMD_DATA_SIZE] = {0};
 	uint8_t par[MAX_PARITY_SIZE];
   
 	if(param & ISO14A_CONNECT) {
diff --git a/client/cmdhf14a.c b/client/cmdhf14a.c
index e3f1a5f1..09dcd34e 100644
--- a/client/cmdhf14a.c
+++ b/client/cmdhf14a.c
@@ -732,8 +732,17 @@ static void waitCmd(uint8_t iSelect)
 
     if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
         recv = resp.d.asBytes;
-        uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
-        PrintAndLog("received %i octets", iLen);
+        uint8_t iLen = resp.arg[0];
+		if (iSelect){
+			iLen = resp.arg[1];
+			if (iLen){
+				PrintAndLog("Card selected. UID[%i]:", iLen);
+			} else {
+				PrintAndLog("Can't select card.");
+			}
+		} else {
+			PrintAndLog("received %i bytes:", iLen);
+		}
         if(!iLen)
             return;
         hexout = (char *)malloc(iLen * 3 + 1);