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#!/usr/bin/python
# Unix SMB/CIFS implementation.
# Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
#
"""Support for reading Samba 3 data files."""
REGISTRY_VALUE_PREFIX = "SAMBA_REGVAL"
REGISTRY_DB_VERSION = 1
import os
import tdb
class Registry:
"""Simple read-only support for reading the Samba3 registry."""
def __init__(self, file):
self.tdb = tdb.Tdb(file, flags=os.O_RDONLY)
def close(self):
self.tdb.close()
def __len__(self):
"""Return the number of keys."""
return len(self.keys())
def keys(self):
"""Return list with all the keys."""
return [k.rstrip("\x00") for k in self.tdb.keys() if not k.startswith(REGISTRY_VALUE_PREFIX)]
def subkeys(self, key):
data = self.tdb.get("%s\x00" % key)
if data is None:
return []
# FIXME: Parse data
return []
def values(self, key):
"""Return a dictionary with the values set for a specific key."""
data = self.tdb.get("%s/%s\x00" % (REGISTRY_VALUE_PREFIX, key))
if data is None:
return {}
# FIXME: Parse data
return {}
class PolicyDatabase:
def __init__(self, file):
self.tdb = tdb.Tdb(file, flags=os.O_RDONLY)
self.min_password_length = self.tdb.fetch_uint32("min password length\x00")
self.password_history = self.tdb.fetch_uint32("password history\x00")
self.user_must_logon_to_change_password = self.tdb.fetch_uint32("user must logon to change pasword\x00")
self.maximum_password_age = self.tdb.fetch_uint32("maximum password age\x00")
self.minimum_password_age = self.tdb.fetch_uint32("minimum password age\x00")
self.lockout_duration = self.tdb.fetch_uint32("lockout duration\x00")
self.reset_count_minutes = self.tdb.fetch_uint32("reset count minutes\x00")
self.bad_lockout_minutes = self.tdb.fetch_uint32("bad lockout minutes\x00")
self.disconnect_time = self.tdb.fetch_int32("disconnect time\x00")
self.refuse_machine_password_change = self.tdb.fetch_uint32("refuse machine password change\x00")
# FIXME: Read privileges as well
GROUPDB_DATABASE_VERSION_V1 = 1 # native byte format.
GROUPDB_DATABASE_VERSION_V2 = 2 # le format.
GROUP_PREFIX = "UNIXGROUP/"
# Alias memberships are stored reverse, as memberships. The performance
# critical operation is to determine the aliases a SID is member of, not
# listing alias members. So we store a list of alias SIDs a SID is member of
# hanging of the member as key.
MEMBEROF_PREFIX = "MEMBEROF/"
class GroupMappingDatabase:
def __init__(self, file):
self.tdb = tdb.Tdb(file, flags=os.O_RDONLY)
# High water mark keys
HWM_GROUP = "GROUP HWM"
HWM_USER = "USER HWM"
# idmap version determines auto-conversion
IDMAP_VERSION = 2
class IdmapDatabase:
def __init__(self, file):
self.tdb = tdb.Tdb(file, flags=os.O_RDONLY)
assert self.tdb.fetch_int32("IDMAP_VERSION") == IDMAP_VERSION
class SecretsDatabase:
def __init__(self, file):
self.tdb = tdb.Tdb(file, flags=os.O_RDONLY)
self.domains = {}
for k, v in self.tdb.items():
if k == "SECRETS/AUTH_PASSWORD":
self.auth_password = v
elif k == "SECRETS/AUTH_DOMAIN":
self.auth_domain = v
elif k == "SECRETS/AUTH_USER":
self.auth_user = v
elif k.startswith("SECRETS/SID/"):
pass # FIXME
elif k.startswith("SECRETS/DOMGUID/"):
pass # FIXME
elif k.startswith("SECRETS/LDAP_BIND_PW/"):
pass # FIXME
elif k.startswith("SECRETS/AFS_KEYFILE/"):
pass # FIXME
elif k.startswith("SECRETS/MACHINE_SEC_CHANNEL_TYPE/"):
pass # FIXME
elif k.startswith("SECRETS/MACHINE_LAST_CHANGE_TIME/"):
pass # FIXME
elif k.startswith("SECRETS/MACHINE_PASSWORD/"):
pass # FIXME
elif k.startswith("SECRETS/$MACHINE.ACC/"):
pass # FIXME
elif k.startswith("SECRETS/$DOMTRUST.ACC/"):
pass # FIXME
elif k == "INFO/random_seed":
self.random_seed = v
else:
raise "Unknown key %s in secrets database" % k
SHARE_DATABASE_VERSION_V1 = 1
SHARE_DATABASE_VERSION_V2 = 2
class ShareInfoDatabase:
def __init__(self, file):
self.tdb = tdb.Tdb(file, flags=os.O_RDONLY)
assert self.tdb.fetch_int32("INFO/version") in (SHARE_DATABASE_VERSION_V1, SHARE_DATABASE_VERSION_V2)
def get_secdesc(self, name):
secdesc = self.tdb.get("SECDESC/%s" % name)
# FIXME: Run ndr_pull_security_descriptor
ACB_DISABLED = 0x00000001
ACB_HOMDIRREQ = 0x00000002
ACB_PWNOTREQ = 0x00000004
ACB_TEMPDUP = 0x00000008
ACB_NORMAL = 0x00000010
ACB_MNS = 0x00000020
ACB_DOMTRUST = 0x00000040
ACB_WSTRUST = 0x00000080
ACB_SVRTRUST = 0x00000100
ACB_PWNOEXP = 0x00000200
ACB_AUTOLOCK = 0x00000400
ACB_ENC_TXT_PWD_ALLOWED = 0x00000800
ACB_SMARTCARD_REQUIRED = 0x00001000
ACB_TRUSTED_FOR_DELEGATION = 0x00002000
ACB_NOT_DELEGATED = 0x00004000
ACB_USE_DES_KEY_ONLY = 0x00008000
ACB_DONT_REQUIRE_PREAUTH = 0x00010000
ACB_PW_EXPIRED = 0x00020000
ACB_NO_AUTH_DATA_REQD = 0x00080000
acb_info_mapping = {
'N': ACB_PWNOTREQ, # 'N'o password.
'D': ACB_DISABLED, # 'D'isabled.
'H': ACB_HOMDIRREQ, # 'H'omedir required.
'T': ACB_TEMPDUP, # 'T'emp account.
'U': ACB_NORMAL, # 'U'ser account (normal).
'M': ACB_MNS, # 'M'NS logon user account. What is this ?
'W': ACB_WSTRUST, # 'W'orkstation account.
'S': ACB_SVRTRUST, # 'S'erver account.
'L': ACB_AUTOLOCK, # 'L'ocked account.
'X': ACB_PWNOEXP, # No 'X'piry on password
'I': ACB_DOMTRUST, # 'I'nterdomain trust account.
' ': 0
}
class Smbpasswd:
def __init__(self, file):
pass
class TdbSam:
def __init__(self, file):
self.tdb = tdb.Tdb(file, flags=os.O_RDONLY)
class WinsDatabase:
def __init__(self, file):
pass
class Samba3:
def __init__(self, smbconfpath, libdir):
self.smbconfpath = smbconfpath
self.libdir = libdir
def get_policy_db(self):
return PolicyDatabase(os.path.join(libdir, "account_policy.tdb"))
def get_registry(self):
return Registry(os.path.join(libdir, "registry.tdb"))
def get_secrets_db(self):
return SecretsDatabase(os.path.join(libdir, "secrets.tdb"))
def get_shares_db(self):
return ShareInfoDatabase(os.path.join(libdir, "share_info.tdb"))
def get_idmap_db(self):
return IdmapDatabase(os.path.join(libdir, "winbindd_idmap.tdb"))
def get_wins_db(self):
return WinsDatabase(os.path.join(libdir, "wins.dat"))
def get_groupmapping_db(self):
return GroupMappingDatabase(os.path.join(libdir, "group_mapping.tdb"))
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