diff options
Diffstat (limited to 'pySim/cards.py')
| -rw-r--r-- | pySim/cards.py | 82 |
1 files changed, 62 insertions, 20 deletions
diff --git a/pySim/cards.py b/pySim/cards.py index 8ac80bf..8489c97 100644 --- a/pySim/cards.py +++ b/pySim/cards.py @@ -22,7 +22,7 @@ # along with this program. If not, see <http://www.gnu.org/licenses/>. # -from pySim.ts_51_011 import EF, DF +from pySim.ts_51_011 import EF, DF, EF_AD from pySim.ts_31_102 import EF_USIM_ADF_map from pySim.ts_31_103 import EF_ISIM_ADF_map from pySim.utils import * @@ -153,22 +153,52 @@ class Card(object): data, sw = self._scc.update_record(EF['SMSP'], 1, rpad(smsp, 84)) return sw - def update_ad(self, mnc): - #See also: 3GPP TS 31.102, chapter 4.2.18 - mnclen = len(str(mnc)) - if mnclen == 1: - mnclen = 2 - if mnclen > 3: - raise RuntimeError('unable to calculate proper mnclen') + def update_ad(self, mnc=None, opmode=None, ofm=None): + """ + Update Administrative Data (AD) + + See Sec. "4.2.18 EF_AD (Administrative Data)" + in 3GPP TS 31.102 for the details of the EF_AD contents. + + Set any parameter to None to keep old value(s) on card. - data, sw = self._scc.read_binary(EF['AD'], length=None, offset=0) + Parameters: + mnc (str): MNC of IMSI + opmode (Hex-str, 1 Byte): MS Operation Mode + ofm (Hex-str, 1 Byte): Operational Feature Monitor (OFM) aka Ciphering Indicator - # Reset contents to EF.AD in case the file is uninintalized - if data.lower() == "ffffffff": - data = "00000000" + Returns: + str: Return code of write operation + """ - content = data[0:6] + "%02X" % mnclen - data, sw = self._scc.update_binary(EF['AD'], content) + ad = EF_AD() + + # read from card + raw_hex_data, sw = self._scc.read_binary(EF['AD'], length=None, offset=0) + raw_bin_data = h2b(raw_hex_data) + abstract_data = ad.decode_bin(raw_bin_data) + + # perform updates + if mnc: + mnclen = len(str(mnc)) + if mnclen == 1: + mnclen = 2 + if mnclen > 3: + raise RuntimeError('invalid length of mnc "{}"'.format(mnc)) + abstract_data['len_of_mnc_in_imsi'] = mnclen + if opmode: + opmode_symb = ad.OP_MODE.get(int(opmode, 16)) + if opmode_symb: + abstract_data['ms_operation_mode'] = opmode_symb + else: + raise RuntimeError('invalid opmode "{}"'.format(opmode)) + if ofm: + abstract_data['specific_facilities']['ofm'] = bool(int(ofm, 16)) + + # write to card + raw_bin_data = ad.encode_bin(abstract_data) + raw_hex_data = b2h(raw_bin_data) + data, sw = self._scc.update_binary(EF['AD'], raw_hex_data) return sw def read_spn(self): @@ -915,8 +945,12 @@ class SysmoUSIMSJS1(UsimCard): print("Programming HPLMNwAcT failed with code %s"%sw) # EF.AD - if p.get('mcc') and p.get('mnc'): - sw = self.update_ad(p['mnc']) + if (p.get('mcc') and p.get('mnc')) or p.get('opmode'): + if p.get('mcc') and p.get('mnc'): + mnc = p['mnc'] + else: + mnc = None + sw = self.update_ad(mnc=mnc, opmode=p.get('opmode')) if sw != '9000': print("Programming AD failed with code %s"%sw) @@ -1205,8 +1239,12 @@ class WavemobileSim(UsimCard): print("Programming OPLMNwAcT failed with code %s"%sw) # EF.AD - if p.get('mcc') and p.get('mnc'): - sw = self.update_ad(p['mnc']) + if (p.get('mcc') and p.get('mnc')) or p.get('opmode'): + if p.get('mcc') and p.get('mnc'): + mnc = p['mnc'] + else: + mnc = None + sw = self.update_ad(mnc=mnc, opmode=p.get('opmode')) if sw != '9000': print("Programming AD failed with code %s"%sw) @@ -1300,8 +1338,12 @@ class SysmoISIMSJA2(UsimCard, IsimCard): print("Programming HPLMNwAcT failed with code %s"%sw) # EF.AD - if p.get('mcc') and p.get('mnc'): - sw = self.update_ad(p['mnc']) + if (p.get('mcc') and p.get('mnc')) or p.get('opmode'): + if p.get('mcc') and p.get('mnc'): + mnc = p['mnc'] + else: + mnc = None + sw = self.update_ad(mnc=mnc, opmode=p.get('opmode')) if sw != '9000': print("Programming AD failed with code %s"%sw) |