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Treat MCC and MNC as strings, not integers 

A MNC of 02 and 002 are *not* equal.  The former is a two-digit MNC
and the latter is a three-digit MNC.  Hence, we shouldn't treat
MNCs as integer values as we have no clue how many leading zeroes
(if any) the user entered.

Change-Id: I9d1d07a64888c76703c3e430bbdd822080c05819
Closes: OS#4523
This commit is contained in:
Harald Welte 2020-05-12 21:12:44 +02:00 committed by Philipp Maier
parent ff84c23839
commit 7f1d3c496f
8 changed files with 33 additions and 22 deletions
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23
pySim-prog.py
View File

@ -98,13 +98,13 @@ def parse_options():
help="Country code [default: %default]",
default=1,
)
parser.add_option("-x", "--mcc", dest="mcc", type="int",
parser.add_option("-x", "--mcc", dest="mcc", type="string",
help="Mobile Country Code [default: %default]",
default=901,
default="901",
)
parser.add_option("-y", "--mnc", dest="mnc", type="int",
parser.add_option("-y", "--mnc", dest="mnc", type="string",
help="Mobile Network Code [default: %default]",
default=55,
default="55",
)
parser.add_option("--mnclen", dest="mnclen", type="choice",
help="Length of Mobile Network Code [default: %default]",
@ -219,7 +219,7 @@ def _digits(secret, usage, len, num):
return d[0:len]
def _mcc_mnc_digits(mcc, mnc):
return ('%03d%03d' if mnc > 100 else '%03d%02d') % (mcc, mnc)
return '%s%s' % (mcc, mnc)
def _cc_digits(cc):
return ('%03d' if cc > 100 else '%02d') % cc
@ -272,8 +272,17 @@ def gen_parameters(opts):
mcc = opts.mcc
mnc = opts.mnc
if not ((0 < mcc < 999) and (0 < mnc < 999)):
raise ValueError('mcc & mnc must be between 0 and 999')
if not mcc.isdigit() or not mnc.isdigit():
raise ValueError('mcc & mnc must only contain decimal digits')
if len(mcc) < 1 or len(mcc) > 3:
raise ValueError('mcc must be between 1 .. 3 digits')
if len(mnc) < 1 or len(mnc) > 3:
raise ValueError('mnc must be between 1 .. 3 digits')
# MCC always has 3 digits
mcc = lpad(mcc, 3, "0")
# MNC must be at least 2 digits
mnc = lpad(mnc, 2, "0")
# Digitize country code (2 or 3 digits)
cc_digits = _cc_digits(opts.country)

4
pySim/utils.py
View File

@ -102,7 +102,9 @@ def enc_iccid(iccid):
def enc_plmn(mcc, mnc):
"""Converts integer MCC/MNC into 3 bytes for EF"""
return swap_nibbles(lpad('%d' % int(mcc), 3) + lpad('%d' % int(mnc), 3))
if len(mnc) == 2:
mnc = "F%s" % mnc
return swap_nibbles("%s%s" % (mcc, mnc))
def dec_spn(ef):
byte1 = int(ef[0:2])

2
pysim-testdata/Fairwaves-SIM.ok
View File

@ -31,7 +31,7 @@ OPLMNwAcT:
ffffff0000 # unused
HPLMNAcT:
fff11fffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
00f110ffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
ffffff0000 # unused
ffffff0000 # unused
ffffff0000 # unused

6
pysim-testdata/Wavemobile-SIM.ok
View File

@ -9,9 +9,9 @@ SMSP: e1ffffffffffffffffffffffff0581005155f5ffffffffffff000000ffffffffffffffffff
SPN: wavemobile
Display HPLMN: False
Display OPLMN: False
PLMNsel: fff11fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
PLMNsel: 00f110ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
PLMNwAcT:
fff11fffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
00f110ffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
ffffff0000 # unused
ffffff0000 # unused
ffffff0000 # unused
@ -29,7 +29,7 @@ PLMNwAcT:
ffffff0000 # unused
OPLMNwAcT:
fff11fffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
00f110ffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
ffffff0000 # unused
ffffff0000 # unused
ffffff0000 # unused

2
pysim-testdata/fakemagicsim.ok
View File

@ -10,7 +10,7 @@ SMSP: ffffffffffffffffffffffffe1ffffffffffffffffffffffff0581005155f5ffffffffffff
SPN: Magic
Display HPLMN: True
Display OPLMN: False
PLMNsel: fff11fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
PLMNsel: 00f110ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
PLMNwAcT: Can't read file -- SW match failed! Expected 9000 and got 9404.
OPLMNwAcT: Can't read file -- SW match failed! Expected 9000 and got 9404.
HPLMNAcT: Can't read file -- SW match failed! Expected 9000 and got 9404.

8
pysim-testdata/sysmoISIM-SJA2.ok
View File

@ -9,9 +9,9 @@ SMSP: ffffffffffffffffffffffffffffffffffffffffffffffffe1ffffffffffffffffffffffff
SPN: Not available
Display HPLMN: False
Display OPLMN: False
PLMNsel: fff11fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
PLMNsel: 00f110ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
PLMNwAcT:
fff11fffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
00f110ffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
ffffff0000 # unused
ffffff0000 # unused
ffffff0000 # unused
@ -25,7 +25,7 @@ PLMNwAcT:
ffffff0000 # unused
OPLMNwAcT:
fff11fffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
00f110ffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
ffffff0000 # unused
ffffff0000 # unused
ffffff0000 # unused
@ -39,7 +39,7 @@ OPLMNwAcT:
ffffff0000 # unused
HPLMNAcT:
fff11fffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
00f110ffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
ffffff0000 # unused
ffffff0000 # unused
ffffff0000 # unused

8
pysim-testdata/sysmoUSIM-SJS1.ok
View File

@ -9,9 +9,9 @@ SMSP: ffffffffffffffffffffffffffffffffffffffffffffffffe1ffffffffffffffffffffffff
SPN: Magic
Display HPLMN: True
Display OPLMN: True
PLMNsel: fff11fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
PLMNsel: 00f110ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
PLMNwAcT:
fff11fffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
00f110ffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
ffffff0000 # unused
ffffff0000 # unused
ffffff0000 # unused
@ -25,7 +25,7 @@ PLMNwAcT:
ffffff0000 # unused
OPLMNwAcT:
fff11fffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
00f110ffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
ffffff0000 # unused
ffffff0000 # unused
ffffff0000 # unused
@ -39,7 +39,7 @@ OPLMNwAcT:
ffffff0000 # unused
HPLMNAcT:
fff11fffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
00f110ffff # MCC: 001 MNC: 001 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT
ffffff0000 # unused
ffffff0000 # unused
ffffff0000 # unused

2
pysim-testdata/sysmosim-gr1.ok
View File

@ -10,7 +10,7 @@ SMSP: ffffffffffffffffffffffffe1ffffffffffffffffffffffff0581005155f5ffffffffffff
SPN: Not available
Display HPLMN: False
Display OPLMN: False
PLMNsel: fff11fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
PLMNsel: 00f110ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
PLMNwAcT: Can't read file -- SW match failed! Expected 9000 and got 9404.
OPLMNwAcT: Can't read file -- SW match failed! Expected 9000 and got 9404.
HPLMNAcT: Can't read file -- SW match failed! Expected 9000 and got 9404.