transport: Implement treatment of 62xx and 63xx warning/error responses

TS 102 221 specifies that (in case of a class 4 command) and as SW
62xx or 63xx, we should send a GET RESPONSE just like in the 61xx
case in order to get the respective response.

As we don't really know if it's a case1/2/3/4 command in the
pySim.transport, let's always send the GET RESPONSE in case SW 62xx or
63xx are received.  It shouldn't hurt - in the worst case there's no
response available...

Change-Id: Ibb1398194a16fc1f1f9bc46af6c66fb6575240cd

pySim/transport/__init__.py

@@ -130,6 +130,7 @@ class LinkBase(abc.ABC):
                         data : string (in hex) of returned data (ex. "074F4EFFFF")
                         sw   : string (in hex) of status word (ex. "9000")
         """
+        prev_pdu = pdu
         data, sw = self.send_apdu_raw(pdu)
 
         # When we have sent the first APDU, the SW may indicate that there are response bytes
@@ -137,15 +138,17 @@ class LinkBase(abc.ABC):
         # xx is the number of response bytes available.
         # See also:
         if sw is not None:
-            while ((sw[0:2] == '9f') or (sw[0:2] == '61')):
+            while (sw[0:2] in ['9f', '61', '62', '63']):
                 # SW1=9F: 3GPP TS 51.011 9.4.1, Responses to commands which are correctly executed
                 # SW1=61: ISO/IEC 7816-4, Table 5 — General meaning of the interindustry values of SW1-SW2
+                # SW1=62: ETSI TS 102 221 7.3.1.1.4 Clause 4b): 62xx, 63xx, 9xxx != 9000
                 pdu_gr = pdu[0:2] + 'c00000' + sw[2:4]
+                prev_pdu = pdu_gr
                 d, sw = self.send_apdu_raw(pdu_gr)
                 data += d
             if sw[0:2] == '6c':
                 # SW1=6C: ETSI TS 102 221 Table 7.1: Procedure byte coding
-                pdu_gr = pdu[0:8] + sw[2:4]
+                pdu_gr = prev_pdu[0:8] + sw[2:4]
                 data, sw = self.send_apdu_raw(pdu_gr)
 
         return data, sw