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# This file is part of creddump.
#
# creddump is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# creddump is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with creddump. If not, see <http://www.gnu.org/licenses/>.
"""
@author: Brendan Dolan-Gavitt
@license: GNU General Public License 2.0 or later
@contact: bdolangavitt@wesleyan.edu
"""
from ..newobj import Obj, Pointer
from struct import unpack
ROOT_INDEX = 0x20
LH_SIG = unpack("<H", b"lh")[0]
LF_SIG = unpack("<H", b"lf")[0]
RI_SIG = unpack("<H", b"ri")[0]
def get_root(address_space):
return Obj("_CM_KEY_NODE", ROOT_INDEX, address_space)
def open_key(root, key):
if not key:
return root
keyname = key.pop(0)
for s in subkeys(root):
if s.Name.upper() == keyname.upper():
return open_key(s, key)
# print "ERR: Couldn't find subkey %s of %s" % (keyname, root.Name)
return None
def subkeys(key, stable=True):
if stable:
k = 0
else:
k = 1
sk = (key.SubKeyLists[k]/["pointer", ["_CM_KEY_INDEX"]]).value
sub_list = []
if (sk.Signature.value == LH_SIG or
sk.Signature.value == LF_SIG):
sub_list = sk.List
elif sk.Signature.value == RI_SIG:
lfs = []
for i in range(sk.Count.value):
off, tp = sk.get_offset(['List', i])
lfs.append(Pointer("pointer", sk.address+off, sk.space,
["_CM_KEY_INDEX"]))
for lf in lfs:
sub_list += lf.List
for s in sub_list:
if s.is_valid() and s.Signature.value == 27502:
yield s.value
def values(key):
for v in key.ValueList.List:
yield v.value
def walk(root):
for k in subkeys(root):
yield k
for j in walk(k):
yield j
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