hacks/dump-imessages/iphone-dataprotection/python_scripts/keychain/store.py

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import plistlib
import sqlite3
import struct
from util import readPlist
class KeychainStore(object):
def __init__(self):
pass
def convertDict(self, d):
return d
def returnResults(self, r):
for a in r:
yield self.convertDict(a)
def get_items(self, table):
return []
class SQLiteKeychain(KeychainStore):
def __init__(self, filename):
self.conn = sqlite3.connect(filename)
self.conn.row_factory = sqlite3.Row
def convertDict(self, row):
d = dict(row)
for k,v in d.items():
if type(v) == buffer:
d[k] = str(v)
return d
def get_items(self, table):
sql = {"genp": "SELECT rowid, data, svce, acct, agrp FROM genp",
"inet": "SELECT rowid, data, acct, srvr, port, agrp FROM inet",
"cert": "SELECT rowid, data, pkhh, agrp FROM cert",
"keys": "SELECT rowid, data, klbl, agrp FROM keys"}
return self.returnResults(self.conn.execute(sql[table]))
class PlistKeychain(KeychainStore):
def __init__(self, filename):
self.plist = readPlist(filename)
def convertDict(self, d):
for k, v in d.items():
if isinstance(v, plistlib.Data):
if k == "v_Data":
d["data"] = v.data
elif k == "v_PersistentRef":
#format tablename (4 chars) + rowid (64 bits)
d["rowid"] = struct.unpack("<Q", v.data[-8:])[0]
else:
d[k] = v.data
return d
def get_items(self, table):
return self.returnResults(self.plist.get(table, []))