35 lines
1 KiB
Python
35 lines
1 KiB
Python
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from struct import pack, unpack
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from .db import db
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from .usb import usb
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from .tls import tls
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from .flash import read_flash
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def machine_id_rec_value(b):
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b = b.encode('utf-16le')
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b = b + b'\0' * (0x94 - len(b))
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return pack('<HH', 0x102, len(b)) + b # 0x102 = Machine ID/GUID?
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def init_db(machine_guid='e7260876-58db-4d27-8c40-8d13110d6a71'):
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stg=db.get_user_storage(name='StgWindsor')
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if stg == None:
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print('Creating a new user storage object')
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db.new_user_storate()
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rc = db.get_storage_data()
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if rc == []:
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print('Creating a host machine GUID record')
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stg=db.get_user_storage(name='StgWindsor')
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db.new_record(stg.dbid, 0x8, stg.dbid, machine_id_rec_value(machine_guid))
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rc = db.get_storage_data()
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rc = db.get_record_value(rc[0]).value
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if rc != machine_id_rec_value(machine_guid):
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u0, l = unpack('<HH', rc[:4])
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b=rc[4:4+l]
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b=b.decode('utf-16le')
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raise Exception('Machine GUID does not match the DB flash ownership record (%s).' % b)
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