X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6e49717b5e025b6ac7139b00f2f39d3b22b424a1..499df9088d5845d954918da51dc339becd4a7da4:/armsrc/iso14443a.c

diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index a3367036..c39b8a20 100644
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -185,7 +185,7 @@ void iso14a_set_trigger(bool enable) {
 }
 
 
-static void iso14a_set_timeout(uint32_t timeout) {
+void iso14a_set_timeout(uint32_t timeout) {
 	iso14a_timeout = timeout;
 	if(MF_DBGLEVEL >= 3) Dbprintf("ISO14443A Timeout set to %ld (%dms)", iso14a_timeout, iso14a_timeout / 106);
 }
@@ -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) {
@@ -1813,11 +1818,10 @@ 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
-	if( (sak & 0x20) == 0) return 2; 
+	// PICC compilant with iso14443a-4 ---> (SAK & 0x20 != 0)
+  	if( (sak & 0x20) == 0) return 2; 
 
 	if (!no_rats) {
 		// Request for answer to select
@@ -1908,8 +1912,9 @@ 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];
+	bool cantSELECT = false;
   
 	if(param & ISO14A_CONNECT) {
 		clear_trace();
@@ -1922,11 +1927,22 @@ void ReaderIso14443a(UsbCommand *c)
 	}
 
 	if(param & ISO14A_CONNECT) {
+		LED_A_ON();
+		clear_trace();
 		iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 		if(!(param & ISO14A_NO_SELECT)) {
 			iso14a_card_select_t *card = (iso14a_card_select_t*)buf;
 			arg0 = iso14443a_select_card(NULL, card, NULL, true, 0, param & ISO14A_NO_RATS);
+
+			// if we cant select then we cant send data
+			if (arg0 != 1 && arg0 != 2) {
+				// 1 - all is OK with ATS, 2 - without ATS
+				cantSELECT = true;
+			}
+			
+			LED_B_ON();
 			cmd_send(CMD_ACK,arg0,card->uidlen,0,buf,sizeof(iso14a_card_select_t));
+			LED_B_OFF();
 		}
 	}
 
@@ -1934,12 +1950,14 @@ void ReaderIso14443a(UsbCommand *c)
 		iso14a_set_timeout(timeout);
 	}
 
-	if(param & ISO14A_APDU) {
+	if(param & ISO14A_APDU && !cantSELECT) {
 		arg0 = iso14_apdu(cmd, len, buf);
+		LED_B_ON();
 		cmd_send(CMD_ACK,arg0,0,0,buf,sizeof(buf));
+		LED_B_OFF();
 	}
 
-	if(param & ISO14A_RAW) {
+	if(param & ISO14A_RAW && !cantSELECT) {
 		if(param & ISO14A_APPEND_CRC) {
 			if(param & ISO14A_TOPAZMODE) {
 				AppendCrc14443b(cmd,len);
@@ -1975,7 +1993,10 @@ void ReaderIso14443a(UsbCommand *c)
 			}
 		}
 		arg0 = ReaderReceive(buf, par);
+
+		LED_B_ON();
 		cmd_send(CMD_ACK,arg0,0,0,buf,sizeof(buf));
+		LED_B_OFF();
 	}
 
 	if(param & ISO14A_REQUEST_TRIGGER) {