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#!/usr/bin/env python
#
# Utility to generate the HLR
#
#
# Copyright (C) 2010 Sylvain Munaut <tnt@246tNt.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
from optparse import OptionParser
from ccc import StateManager, CardParametersGenerator, isnum
from pySim.utils import h2b
#
# OpenBSC HLR Writing
#
def _dbi_binary_quote(s):
# Count usage of each char
cnt = {}
for c in s:
cnt[c] = cnt.get(c, 0) + 1
# Find best offset
e = 0
m = len(s)
for i in range(1, 256):
if i == 39:
continue
sum_ = cnt.get(i, 0) + cnt.get((i+1)&0xff, 0) + cnt.get((i+39)&0xff, 0)
if sum_ < m:
m = sum_
e = i
if m == 0: # No overhead ? use this !
break;
# Generate output
out = []
out.append( chr(e) ) # Offset
for c in s:
x = (256 + ord(c) - e) % 256
if x in (0, 1, 39):
out.append('\x01')
out.append(chr(x+1))
else:
out.append(chr(x))
return ''.join(out)
def hlr_write_cards(filename, network, cards):
import sqlite3
conn = sqlite3.connect(filename)
for card in cards:
c = conn.execute(
'INSERT INTO Subscriber ' +
'(imsi, name, extension, authorized, created, updated) ' +
'VALUES ' +
'(?,?,?,1,datetime(\'now\'),datetime(\'now\'));',
[
card.imsi,
'%s #%d' % (network.name, card.num),
'9%05d' % card.num,
],
)
sub_id = c.lastrowid
c.close()
c = conn.execute(
'INSERT INTO AuthKeys ' +
'(subscriber_id, algorithm_id, a3a8_ki)' +
'VALUES ' +
'(?,?,?)',
[ sub_id, 2, sqlite3.Binary(_dbi_binary_quote(h2b(card.ki))) ],
)
c.close()
conn.commit()
conn.close()
#
# CSV Writing
#
def csv_write_cards(filename, network, cards):
import csv
fh = open(filename, 'a')
cw = csv.writer(fh)
cw.writerows(cards)
fh.close()
#
# Main stuff
#
def parse_options():
parser = OptionParser(usage="usage: %prog [options]")
# Network parameters
parser.add_option("-n", "--name", dest="name",
help="Operator name [default: %default]",
default="CCC Event",
)
parser.add_option("-c", "--country", dest="country", type="int", metavar="CC",
help="Country code [default: %default]",
default=49,
)
parser.add_option("-x", "--mcc", dest="mcc", type="int",
help="Mobile Country Code [default: %default]",
default=262,
)
parser.add_option("-y", "--mnc", dest="mnc", type="int",
help="Mobile Network Code [default: %default]",
default=42,
)
parser.add_option("-m", "--smsp", dest="smsp",
help="SMSP [default: '00 + country code + 5555']",
)
# Autogen
parser.add_option("-z", "--secret", dest="secret", metavar="STR",
help="Secret used for ICCID/IMSI autogen",
)
parser.add_option("-k", "--count", dest="count", type="int", metavar="CNT",
help="Number of entried to generate [default: %default]",
default=1000,
)
# Output
parser.add_option("--state", dest="state_file", metavar="FILE",
help="Use this state file",
)
parser.add_option("--write-csv", dest="write_csv", metavar="FILE",
help="Append generated parameters in CSV file",
)
parser.add_option("--write-hlr", dest="write_hlr", metavar="FILE",
help="Append generated parameters to OpenBSC HLR sqlite3",
)
(options, args) = parser.parse_args()
if args:
parser.error("Extraneous arguments")
# Check everything
if 1 < len(options.name) > 16:
parser.error("Name must be between 1 and 16 characters")
if 0 < options.country > 999:
parser.error("Invalid country code")
if 0 < options.mcc > 999:
parser.error("Invalid Mobile Country Code (MCC)")
if 0 < options.mnc > 999:
parser.error("Invalid Mobile Network Code (MNC)")
if options.smsp is not None:
if not isnum(options.smsp):
parser.error("Invalid SMSP Number")
else:
options.smsp = '00%d' % options.country + '5555'
return options
def main():
# Parse options
opts = parse_options()
# Load state
sm = StateManager(opts.state_file, opts)
sm.load()
# Instanciate generator
np = sm.network
cpg = CardParametersGenerator(np.cc, np.mcc, np.mnc, sm.get_secret())
# Generate cards
imsis = set()
cards = []
while len(cards) < opts.count:
# Next number
i = sm.next_gen_num()
# Generate card number
cp = cpg.generate(i)
# Check for dupes
if cp.imsi in imsis:
continue
imsis.add(cp.imsi)
# Collect
cards.append(cp)
# Save cards
if opts.write_hlr:
hlr_write_cards(opts.write_hlr, np, cards)
if opts.write_csv:
csv_write_cards(opts.write_csv, np, cards)
# Save state
sm.save()
if __name__ == '__main__':
main()
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