#!/usr/bin/python

import sys
import os
import struct
import hivex

h = hivex.Hivex ("windows-2003-server-system", write = True)
assert h

root = h.root ()
assert root

# Get \WPA\PnP node
node = h.node_get_child (root, "WPA")
node = h.node_get_child (node, "PnP")

# Get 'seed' which is a dword value.
val = h.node_get_value (node, "seed")
data = h.value_value (val)
print "\\WPA\\PnP\\seed:"
print "type =", data[0]
print ("val = 0x%x" % struct.unpack ("<I", data[1]))

# Set the dword value.
new_value = struct.pack ("<I", 0x12345678)
value = { "key": "seed", "t" : data[0], "value" : new_value }
h.node_set_value (node, value)

# Print new value.
val = h.node_get_value (node, "seed")
data = h.value_value (val)
print "\\WPA\\PnP\\seed:"
print "type =", data[0]
print ("val = 0x%x" % struct.unpack ("<I", data[1]))