#!/usr/bin/python
"""dump CMMapP and CMMapG files from \ConnMgr\ from Windows PocketPC devices"""
import sys, os, struct
format = '{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}'
if len(sys.argv) >= 3:  # specify Firefox-added version number as 2nd arg
 nametemplate = 'CMMap%s(%d)' % ('%s', int(sys.argv[2]))
else:
 nametemplate = 'CMMap%s'
if sys.argv[1]:
 dir = sys.argv[1]
else:
 dir = '.'
for suffix in 'PG':
 file = open(os.path.join(dir, nametemplate % suffix), 'rb')
 if suffix == 'P':
  patterns = file.read().decode('utf-16').split('\0')  # 'P' for Patterns
 else:
  guids = file.read()  # 'G' for GUIDs
 file.close
print '<wap-provisioningdoc>'
print '<characteristic type="CM_Mappings">'
for index in range(0, len(guids), 20):
 # I'm not sure "priority" is a good name for this... don't know what it's for!
 # update: it's not a bad name... M$ calls it "index" but it's a priority index.
 # lower numbers get processed first (match URL to pattern), so more specific
 # entries should have lower numbers.
 # HOWEVER: now the default entries are between 1000 and 1500, so all the old
 # defaults are higher than that, e.g. 536880911 (0x1fffffff). To give
 # preference to your new entry, use 999 or below.
 # Microsoft reserves 500 and below, so avoid those if possible.
 priority = struct.unpack('<L', guids[index:index + 4])[0]
 guid = struct.unpack('<LHHBBBBBBBB', guids[index + 4:index + 20])
 values = repr(guid)
 network = eval("'%s' %% %s" % (format, values))
 print """
  <characteristic type="%d">
  <!-- in hex: "%s" -->
  <parm name="Pattern" value="%s" />
  <parm name="Network" value="%s" />
  </characteristic>""" % (priority, '%08x' % priority,
   patterns[index / 20], network)
print '</characteristic>'
print '</wap-provisioningdoc>'