mirror of https://gerrit.osmocom.org/pysim
Checking in various utilities to manipulate Fairwaves SIM card DB.
Change-Id: Ibb49b127df68fd210e6b75e4f0b9c667d2c2cc7c
This commit is contained in:
Alexander Chemeris
parent
6a38c4a2f3
commit
2322c1f9ff
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#!/usr/bin/env python
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#
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# Utility to randomize Ki and other values in a Fairwaves SIM card DB file
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#
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# Copyright (C) 2017-2018 Alexander Chemeris <alexander.chemeris@gmail.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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from optparse import OptionParser
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import os
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import sys
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import csv
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import random
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from pySim.utils import derive_milenage_opc
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#from pySim.utils import h2b
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def h2b(s):
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return ''.join([chr((int(x,16)<<4)+int(y,16)) for x,y in zip(s[0::2], s[1::2])])
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def load_sim_db(filename):
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sim_db = {}
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with open(filename, 'r') as f:
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reader = csv.reader(f, delimiter=' ')
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# Skip the header
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reader.next()
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for l in reader:
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sim_db[l[0]] = l
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return sim_db
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def write_sim_db(filename, sim_db):
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with open(filename, 'a') as f:
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cw = csv.writer(f, delimiter=' ')
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for iccid in sorted(sim_db.iterkeys()):
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cw.writerow([x for x in sim_db[iccid]])
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def process_sim(sim_keys, opts):
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# Update IMSI
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imsi = sim_keys[1]
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imsi = "%03d%02d%s" % (opts.mcc, opts.mnc, imsi[5:])
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sim_keys[1] = imsi
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# Update Ki
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ki = ''.join(['%02x' % random.randrange(0,256) for i in range(16)]).upper()
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sim_keys[8] = ki
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# Update OPC
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op_opc = derive_milenage_opc(ki, opts.op).upper()
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sim_keys[9] = '01' + op_opc
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return sim_keys
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def process_db(sim_db, opts):
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sim_db_new = {}
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for iccid, sim_keys in sim_db.items():
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sim_db_new[iccid] = process_sim(sim_keys, opts)
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return sim_db_new
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def parse_options():
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parser = OptionParser(usage="usage: %prog [options]",
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description="Utility to randomize Ki and other values in a Fairwaves SIM card DB file.")
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parser.add_option("-s", "--sim-db", dest="sim_db_filename", type='string', metavar="FILE",
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help="filename of a SIM DB to load keys from (space separated)",
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default="sim_db.dat",
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)
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parser.add_option("-o", "--out-db", dest="out_db_filename", type='string', metavar="FILE",
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help="filename of a SIM DB to write keys to (space separated)",
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default=None,
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)
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parser.add_option("-x", "--mcc", dest="mcc", type="int",
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help="Mobile Country Code [default: %default]",
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default=001,
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)
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parser.add_option("-y", "--mnc", dest="mnc", type="int",
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help="Mobile Network Code [default: %default]",
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default=01,
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)
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parser.add_option("--op", dest="op",
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help="Set OP to derive OPC from OP and KI [default: %default]",
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default='00000000000000000000000000000000',
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)
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(options, args) = parser.parse_args()
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if args:
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parser.error("Extraneous arguments")
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return options
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if __name__ == '__main__':
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# Parse options
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opts = parse_options()
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if opts.out_db_filename is None:
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print("Please specify output DB filename")
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sys.exit(1)
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print("Loading SIM DB ...")
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sim_db = load_sim_db(opts.sim_db_filename)
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sim_db = process_db(sim_db, opts)
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print("Writing SIM DB ...")
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write_sim_db(opts.out_db_filename, sim_db)
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@ -0,0 +1,154 @@
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#!/usr/bin/env python
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#
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# Utility to write data from a Fairwaves SIM card DB to Osmocom HLR DB
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#
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# Copyright (C) 2017-2018 Alexander Chemeris <alexander.chemeris@gmail.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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from optparse import OptionParser
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import os
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import sys
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import csv
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#from pySim.utils import h2b
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def h2b(s):
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return ''.join([chr((int(x,16)<<4)+int(y,16)) for x,y in zip(s[0::2], s[1::2])])
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def load_sim_db(filename):
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sim_db = {}
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with open(filename, 'r') as f:
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reader = csv.reader(f, delimiter=' ')
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# Skip the header
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# reader.next()
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for l in reader:
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sim_db[l[0]] = l
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return sim_db
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def _dbi_binary_quote(s):
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# Count usage of each char
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cnt = {}
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for c in s:
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cnt[c] = cnt.get(c, 0) + 1
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# Find best offset
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e = 0
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m = len(s)
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for i in range(1, 256):
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if i == 39:
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continue
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sum_ = cnt.get(i, 0) + cnt.get((i+1)&0xff, 0) + cnt.get((i+39)&0xff, 0)
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if sum_ < m:
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m = sum_
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e = i
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if m == 0: # No overhead ? use this !
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break;
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# Generate output
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out = []
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out.append( chr(e) ) # Offset
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for c in s:
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x = (256 + ord(c) - e) % 256
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if x in (0, 1, 39):
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out.append('\x01')
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out.append(chr(x+1))
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else:
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out.append(chr(x))
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return ''.join(out)
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def write_key_hlr(opts, sim_data):
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# SQLite3 OpenBSC HLR
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import sqlite3
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conn = sqlite3.connect(opts.hlr_db_filename)
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imsi = sim_data[1]
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ki = sim_data[8]
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c = conn.execute('SELECT id FROM Subscriber WHERE imsi = ?', (imsi,))
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sub_id = c.fetchone()
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if sub_id is None:
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print("IMSI %s is not found in the HLR" % (imsi,))
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return None
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sub_id = sub_id[0]
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print("IMSI %s has ID %d, writing Ki %s" % (imsi, sub_id, ki))
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# c = conn.execute(
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# 'INSERT INTO Subscriber ' +
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# '(imsi, name, extension, authorized, created, updated) ' +
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# 'VALUES ' +
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# '(?,?,?,1,datetime(\'now\'),datetime(\'now\'));',
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# [
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# params['imsi'],
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# params['name'],
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# '9' + params['iccid'][-5:-1]
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# ],
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# )
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# sub_id = c.lastrowid
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# c.close()
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c = conn.execute(
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'INSERT OR REPLACE INTO AuthKeys ' +
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'(subscriber_id, algorithm_id, a3a8_ki)' +
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'VALUES ' +
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'(?,?,?)',
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[ sub_id, 2, sqlite3.Binary(_dbi_binary_quote(h2b(ki))) ],
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)
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c = conn.execute(
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'DELETE FROM AuthLastTuples WHERE subscriber_id = ?',
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[ sub_id ],
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)
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conn.commit()
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conn.close()
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return True
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def parse_options():
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parser = OptionParser(usage="usage: %prog [options]",
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description="Utility to write data from a Fairwaves SIM card DB to Osmocom HLR DB.")
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parser.add_option("-s", "--sim-db", dest="sim_db_filename", type='string', metavar="FILE",
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help="filename of a SIM DB to load keys from (space searated)",
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default="sim_db.dat",
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)
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parser.add_option("-d", "--hlr", dest="hlr_db_filename", type='string', metavar="FILE",
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help="filename of a HLR SQLite3 DB to write the keys to",
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default="hlr.sqlite3",
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)
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(options, args) = parser.parse_args()
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if args:
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parser.error("Extraneous arguments")
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return options
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if __name__ == '__main__':
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# Parse options
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opts = parse_options()
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print("Loading SIM DB ...")
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sim_db = load_sim_db(opts.sim_db_filename)
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for iccid, sim in sim_db.items():
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write_key_hlr(opts, sim)
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@ -0,0 +1,82 @@
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#!/usr/bin/env python
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#
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# Utility to remove duplicates from a Fairwaves SIM card DB file
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#
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# Copyright (C) 2017-2018 Alexander Chemeris <alexander.chemeris@gmail.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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from optparse import OptionParser
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import os
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import sys
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import csv
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#from pySim.utils import h2b
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def h2b(s):
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return ''.join([chr((int(x,16)<<4)+int(y,16)) for x,y in zip(s[0::2], s[1::2])])
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def load_sim_db(filename):
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sim_db = {}
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with open(filename, 'r') as f:
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reader = csv.reader(f, delimiter=' ')
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# Skip the header
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# reader.next()
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for l in reader:
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sim_db[l[0]] = l
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return sim_db
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def write_sim_db(filename, sim_db):
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with open(filename, 'a') as f:
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cw = csv.writer(f, delimiter=' ')
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for iccid in sorted(sim_db.iterkeys()):
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cw.writerow([x for x in sim_db[iccid]])
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def parse_options():
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parser = OptionParser(usage="usage: %prog [options]",
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description="Utility to remove duplicates from a Fairwaves SIM card DB file")
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parser.add_option("-s", "--sim-db", dest="sim_db_filename", type='string', metavar="FILE",
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help="filename of a SIM DB to load keys from (space separated)",
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default="sim_db.dat",
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)
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parser.add_option("-o", "--out-db", dest="out_db_filename", type='string', metavar="FILE",
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help="filename of a SIM DB to write keys to (space separated)",
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default=None,
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)
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(options, args) = parser.parse_args()
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if args:
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parser.error("Extraneous arguments")
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return options
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if __name__ == '__main__':
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# Parse options
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opts = parse_options()
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if opts.out_db_filename is None:
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print("Please specify output DB filename")
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sys.exit(1)
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print("Loading SIM DB ...")
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sim_db = load_sim_db(opts.sim_db_filename)
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print("Writing SIM DB ...")
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write_sim_db(opts.out_db_filename, sim_db)
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