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ccc: Fix SMSP generation in CCC tool as well

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Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
Sylvain Munaut
2011-12-27 01:30:47 +01:00
parent 487d01833d
commit 1f81cbf1f0
1 changed files with 29 additions and 5 deletions
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34
ccc-gen.py
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@@ -23,7 +23,7 @@
from optparse import OptionParser from optparse import OptionParser
from ccc import StateManager, CardParametersGenerator, isnum from ccc import StateManager, CardParametersGenerator, isnum
from pySim.utils import h2b from pySim.utils import h2b, swap_nibbles, rpad
# #
@@ -134,9 +134,12 @@ def parse_options():
help="Mobile Network Code [default: %default]", help="Mobile Network Code [default: %default]",
default=42, default=42,
) )
parser.add_option("-m", "--smsp", dest="smsp", parser.add_option("-m", "--smsc", dest="smsc",
help="SMSP [default: '00 + country code + 5555']", help="SMSP [default: '00 + country code + 5555']",
) )
parser.add_option("-M", "--smsp", dest="smsp",
help="Raw SMSP content in hex [default: auto from SMSC]",
)
# Autogen # Autogen
parser.add_option("-z", "--secret", dest="secret", metavar="STR", parser.add_option("-z", "--secret", dest="secret", metavar="STR",
@@ -175,11 +178,32 @@ def parse_options():
if 0 < options.mnc > 999: if 0 < options.mnc > 999:
parser.error("Invalid Mobile Network Code (MNC)") parser.error("Invalid Mobile Network Code (MNC)")
# SMSP
if options.smsp is not None: if options.smsp is not None:
if not isnum(options.smsp): smsp = options.smsp
parser.error("Invalid SMSP Number") if not _ishex(smsp):
raise ValueError('SMSP must be hex digits only !')
if len(smsp) < 28*2:
raise ValueError('SMSP must be at least 28 bytes')
else: else:
options.smsp = '00%d' % options.country + '5555' if options.smsc is not None:
smsc = options.smsc
if not _isnum(smsc):
raise ValueError('SMSC must be digits only !')
else:
smsc = '00%d' % options.country + '5555' # Hack ...
smsc = '%02d' % ((len(smsc) + 3)//2,) + "81" + swap_nibbles(rpad(smsc, 20))
options.smsp = (
'e1' + # Parameters indicator
'ff' * 12 + # TP-Destination address
smsc + # TP-Service Centre Address
'00' + # TP-Protocol identifier
'00' + # TP-Data coding scheme
'00' # TP-Validity period
)
return options return options