pySim.app: Attempt to retrieve the EID of a SGP.22 / SGP.32 eUICC

... and populate the RuntimeState.identity['EID'] wit it, so other
[future] parts of the system can use it.

Let's also print the EID (if available) from the 'cardinfo' shell
command.

Change-Id: Idc2ea1d9263f39b3dff403e1535a5e6c4e88b26f

pySim-shell.py

@@ -760,6 +760,9 @@ Currently only ADM1 is supported."""
         self._cmd.poutput("Card info:")
         self._cmd.poutput(" Name: %s" % self._cmd.card.name)
         self._cmd.poutput(" ATR: %s" % self._cmd.rs.identity['ATR'])
+        eid = self._cmd.rs.identity.get('EID', None)
+        if eid:
+            self._cmd.poutput(" EID: %s" % eid)
         self._cmd.poutput(" ICCID: %s" % self._cmd.rs.identity['ICCID'])
         self._cmd.poutput(" Class-Byte: %s" % self._cmd.lchan.scc.cla_byte)
         self._cmd.poutput(" Select-Ctrl: %s" % self._cmd.lchan.scc.sel_ctrl)

pySim/app.py

@@ -25,6 +25,7 @@ from pySim.profile import CardProfile
 from pySim.cdma_ruim import CardProfileRUIM
 from pySim.ts_102_221 import CardProfileUICC
 from pySim.utils import all_subclasses
+from pySim.exceptions import SwMatchError
 
 # we need to import this module so that the SysmocomSJA2 sub-class of
 # CardModel is created, which will add the ATR-based matching and
@@ -106,4 +107,15 @@ def init_card(sl: LinkBase) -> Tuple[RuntimeState, SimCardBase]:
     # inform the transport that we can do context-specific SW interpretation
     sl.set_sw_interpreter(rs)
 
+    # try to obtain the EID, if any
+    isd_r = rs.mf.applications.get(pySim.euicc.AID_ISD_R.lower(), None)
+    if isd_r:
+        rs.lchan[0].select_file(isd_r)
+        try:
+            rs.identity['EID'] = pySim.euicc.CardApplicationISDR.get_eid(scc)
+        except SwMatchError:
+            # has ISD-R but not a SGP.22/SGP.32 eUICC - maybe SGP.02?
+            pass
+        card.reset()
+
     return rs, card

pySim/euicc.py

@@ -345,6 +345,13 @@ class CardApplicationISDR(pySim.global_platform.CardApplicationSD):
         else:
             return None
 
+    @staticmethod
+    def get_eid(scc: SimCardCommands) -> str:
+        ged_cmd = GetEuiccData(children=[TagList(decoded=[0x5A])])
+        ged = CardApplicationISDR.store_data_tlv(scc, ged_cmd, GetEuiccData)
+        d = ged.to_dict()
+        return flatten_dict_lists(d['get_euicc_data'])['eid_value']
+
     def decode_select_response(self, data_hex: Hexstr) -> object:
         t = FciTemplate()
         t.from_tlv(h2b(data_hex))