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dc0000e1a8
samba-mirror/source4/scripting/python/samba/provision.py
Matthieu Patou dc0000e1a8 provision: when deriving netbiosname from hostname force the netbiosname to be compliant 
It means no space/_/-/@.... and less than 16 chars.

Autobuild-User: Matthieu Patou <mat@samba.org>
Autobuild-Date: Sat Oct 30 14:26:22 UTC 2010 on sn-devel-104
2010-10-30 14:26:22 +00:00

1951 lines
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# Unix SMB/CIFS implementation.
# backend code for provisioning a Samba4 server
# Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2010
# Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008-2009
# Copyright (C) Oliver Liebel <oliver@itc.li> 2008-2009
#
# Based on the original in EJS:
# Copyright (C) Andrew Tridgell <tridge@samba.org> 2005
#
# 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/>.
#
"""Functions for setting up a Samba configuration."""
from base64 import b64encode
import os
import re
import pwd
import grp
import logging
import time
import uuid
import socket
import urllib
import shutil
import ldb
from samba.auth import system_session, admin_session
import samba
from samba import version, Ldb, substitute_var, valid_netbios_name
from samba import check_all_substituted, read_and_sub_file, setup_file
from samba.dsdb import DS_DOMAIN_FUNCTION_2003, DS_DOMAIN_FUNCTION_2008_R2, ENC_ALL_TYPES
from samba.dcerpc import security
from samba.dcerpc.misc import SEC_CHAN_BDC, SEC_CHAN_WKSTA
from samba.idmap import IDmapDB
from samba.ms_display_specifiers import read_ms_ldif
from samba.ntacls import setntacl, dsacl2fsacl
from samba.ndr import ndr_pack,ndr_unpack
from samba.provisionbackend import (
ExistingBackend,
FDSBackend,
LDBBackend,
OpenLDAPBackend,
)
import samba.param
import samba.registry
from samba.schema import Schema
from samba.samdb import SamDB
__docformat__ = "restructuredText"
DEFAULT_POLICY_GUID = "31B2F340-016D-11D2-945F-00C04FB984F9"
DEFAULT_DC_POLICY_GUID = "6AC1786C-016F-11D2-945F-00C04fB984F9"
def find_setup_dir():
"""Find the setup directory used by provision."""
import sys
for prefix in [sys.prefix,
os.path.join(os.path.dirname(__file__), "../../../..")]:
for suffix in ["share/setup", "share/samba/setup", "setup"]:
ret = os.path.join(prefix, suffix)
if os.path.isdir(ret):
return ret
# In source tree
dirname = os.path.dirname(__file__)
ret = os.path.join(dirname, "../../../setup")
if os.path.isdir(ret):
return ret
raise Exception("Unable to find setup directory.")
# Descriptors of naming contexts and other important objects
# "get_schema_descriptor" is located in "schema.py"
def get_sites_descriptor(domain_sid):
sddl = "O:EAG:EAD:AI(A;;RPLCLORC;;;AU)" \
"(A;;RPWPCRCCLCLORCWOWDSW;;;EA)" \
"(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;SY)" \
"(A;CIID;RPWPCRCCDCLCLORCWOWDSDDTSW;;;EA)" \
"(A;CIID;RPWPCRCCLCLORCWOWDSDSW;;;DA)" \
"S:AI(AU;CISA;CCDCSDDT;;;WD)" \
"(OU;CIIOSA;CR;;f0f8ffab-1191-11d0-a060-00aa006c33ed;WD)" \
"(OU;CIIOSA;WP;f30e3bbe-9ff0-11d1-b603-0000f80367c1;bf967ab3-0de6-11d0-a285-00aa003049e2;WD)" \
"(OU;CIIOSA;WP;f30e3bbf-9ff0-11d1-b603-0000f80367c1;bf967ab3-0de6-11d0-a285-00aa003049e2;WD)" \
"(OU;CIIOSA;WP;3e10944c-c354-11d0-aff8-0000f80367c1;b7b13124-b82e-11d0-afee-0000f80367c1;WD)"
sec = security.descriptor.from_sddl(sddl, domain_sid)
return ndr_pack(sec)
def get_config_descriptor(domain_sid):
sddl = "O:EAG:EAD:(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
"(OA;;CR;1131f6ab-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
"(OA;;CR;1131f6ac-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
"(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
"(OA;;CR;1131f6ab-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
"(OA;;CR;1131f6ac-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
"(A;;RPLCLORC;;;AU)(A;CI;RPWPCRCCDCLCLORCWOWDSDDTSW;;;EA)" \
"(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;SY)(A;CIIO;RPWPCRCCLCLORCWOWDSDSW;;;DA)" \
"(OA;;CR;1131f6ad-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
"(OA;;CR;89e95b76-444d-4c62-991a-0facbeda640c;;ED)" \
"(OA;;CR;1131f6ad-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
"(OA;;CR;89e95b76-444d-4c62-991a-0facbeda640c;;BA)" \
"(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;ER)" \
"S:(AU;SA;WPWOWD;;;WD)(AU;SA;CR;;;BA)(AU;SA;CR;;;DU)" \
"(OU;SA;CR;45ec5156-db7e-47bb-b53f-dbeb2d03c40f;;WD)"
sec = security.descriptor.from_sddl(sddl, domain_sid)
return ndr_pack(sec)
def get_domain_descriptor(domain_sid):
sddl= "O:BAG:BAD:AI(OA;CIIO;RP;4c164200-20c0-11d0-a768-00aa006e0529;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \
"(OA;CIIO;RP;4c164200-20c0-11d0-a768-00aa006e0529;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \
"(OA;CIIO;RP;5f202010-79a5-11d0-9020-00c04fc2d4cf;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \
"(OA;CIIO;RP;5f202010-79a5-11d0-9020-00c04fc2d4cf;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \
"(OA;CIIO;RP;bc0ac240-79a9-11d0-9020-00c04fc2d4cf;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \
"(OA;CIIO;RP;bc0ac240-79a9-11d0-9020-00c04fc2d4cf;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \
"(OA;CIIO;RP;59ba2f42-79a2-11d0-9020-00c04fc2d3cf;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \
"(OA;CIIO;RP;59ba2f42-79a2-11d0-9020-00c04fc2d3cf;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \
"(OA;CIIO;RP;037088f8-0ae1-11d2-b422-00a0c968f939;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \
"(OA;CIIO;RP;037088f8-0ae1-11d2-b422-00a0c968f939;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \
"(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;ER)" \
"(OA;;CR;1131f6ad-9c07-11d1-f79f-00c04fc2dcd2;;DD)" \
"(OA;CIIO;RP;b7c69e6d-2cc7-11d2-854e-00a0c983f608;bf967a86-0de6-11d0-a285-00aa003049e2;ED)" \
"(OA;CIIO;RP;b7c69e6d-2cc7-11d2-854e-00a0c983f608;bf967a9c-0de6-11d0-a285-00aa003049e2;ED)" \
"(OA;CIIO;RP;b7c69e6d-2cc7-11d2-854e-00a0c983f608;bf967aba-0de6-11d0-a285-00aa003049e2;ED)" \
"(OA;;CR;89e95b76-444d-4c62-991a-0facbeda640c;;BA)" \
"(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
"(OA;;CR;1131f6ab-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
"(OA;;CR;1131f6ac-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
"(OA;;CR;1131f6ad-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
"(OA;;CR;1131f6ae-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
"(OA;;CR;e2a36dc9-ae17-47c3-b58b-be34c55ba633;;IF)" \
"(OA;;RP;c7407360-20bf-11d0-a768-00aa006e0529;;RU)" \
"(OA;;RP;b8119fd0-04f6-4762-ab7a-4986c76b3f9a;;RU)" \
"(OA;CIIO;RPLCLORC;;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \
"(OA;CIIO;RPLCLORC;;bf967a9c-0de6-11d0-a285-00aa003049e2;RU)" \
"(OA;CIIO;RPLCLORC;;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \
"(OA;;CR;05c74c5e-4deb-43b4-bd9f-86664c2a7fd5;;AU)" \
"(OA;;CR;89e95b76-444d-4c62-991a-0facbeda640c;;ED)" \
"(OA;;CR;ccc2dc7d-a6ad-4a7a-8846-c04e3cc53501;;AU)" \
"(OA;;CR;280f369c-67c7-438e-ae98-1d46f3c6f541;;AU)" \
"(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
"(OA;;CR;1131f6ab-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
"(OA;;CR;1131f6ac-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
"(OA;;CR;1131f6ae-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
"(OA;;RP;b8119fd0-04f6-4762-ab7a-4986c76b3f9a;;AU)" \
"(OA;CIIO;RPWPCR;91e647de-d96f-4b70-9557-d63ff4f3ccd8;;PS)" \
"(A;;RPWPCRCCLCLORCWOWDSW;;;DA)" \
"(A;CI;RPWPCRCCDCLCLORCWOWDSDDTSW;;;EA)" \
"(A;;RPRC;;;RU)" \
"(A;CI;LC;;;RU)" \
"(A;CI;RPWPCRCCLCLORCWOWDSDSW;;;BA)" \
"(A;;RP;;;WD)" \
"(A;;RPLCLORC;;;ED)" \
"(A;;RPLCLORC;;;AU)" \
"(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;SY)" \
"S:AI(OU;CISA;WP;f30e3bbe-9ff0-11d1-b603-0000f80367c1;bf967aa5-0de6-11d0-a285-00aa003049e2;WD)" \
"(OU;CISA;WP;f30e3bbf-9ff0-11d1-b603-0000f80367c1;bf967aa5-0de6-11d0-a285-00aa003049e2;WD)" \
"(AU;SA;CR;;;DU)(AU;SA;CR;;;BA)(AU;SA;WPWOWD;;;WD)"
sec = security.descriptor.from_sddl(sddl, domain_sid)
return ndr_pack(sec)
DEFAULTSITE = "Default-First-Site-Name"
LAST_PROVISION_USN_ATTRIBUTE = "lastProvisionUSN"
class ProvisionPaths(object):
def __init__(self):
self.shareconf = None
self.hklm = None
self.hkcu = None
self.hkcr = None
self.hku = None
self.hkpd = None
self.hkpt = None
self.samdb = None
self.idmapdb = None
self.secrets = None
self.keytab = None
self.dns_keytab = None
self.dns = None
self.winsdb = None
self.private_dir = None
class ProvisionNames(object):
def __init__(self):
self.rootdn = None
self.domaindn = None
self.configdn = None
self.schemadn = None
self.ldapmanagerdn = None
self.dnsdomain = None
self.realm = None
self.netbiosname = None
self.domain = None
self.hostname = None
self.sitename = None
self.smbconf = None
def update_provision_usn(samdb, low, high, replace=False):
"""Update the field provisionUSN in sam.ldb
This field is used to track range of USN modified by provision and
upgradeprovision.
This value is used afterward by next provision to figure out if
the field have been modified since last provision.
:param samdb: An LDB object connect to sam.ldb
:param low: The lowest USN modified by this upgrade
:param high: The highest USN modified by this upgrade
:param replace: A boolean indicating if the range should replace any
existing one or appended (default)
"""
tab = []
if not replace:
entry = samdb.search(expression="(&(dn=@PROVISION)(%s=*))" % \
LAST_PROVISION_USN_ATTRIBUTE, base="",
scope=ldb.SCOPE_SUBTREE,
attrs=[LAST_PROVISION_USN_ATTRIBUTE, "dn"])
for e in entry[0][LAST_PROVISION_USN_ATTRIBUTE]:
tab.append(str(e))
tab.append("%s-%s" % (low, high))
delta = ldb.Message()
delta.dn = ldb.Dn(samdb, "@PROVISION")
delta[LAST_PROVISION_USN_ATTRIBUTE] = ldb.MessageElement(tab,
ldb.FLAG_MOD_REPLACE,
LAST_PROVISION_USN_ATTRIBUTE)
samdb.modify(delta)
def set_provision_usn(samdb, low, high):
"""Set the field provisionUSN in sam.ldb
This field is used to track range of USN modified by provision and
upgradeprovision.
This value is used afterward by next provision to figure out if
the field have been modified since last provision.
:param samdb: An LDB object connect to sam.ldb
:param low: The lowest USN modified by this upgrade
:param high: The highest USN modified by this upgrade"""
tab = []
tab.append("%s-%s" % (low, high))
delta = ldb.Message()
delta.dn = ldb.Dn(samdb, "@PROVISION")
delta[LAST_PROVISION_USN_ATTRIBUTE] = ldb.MessageElement(tab,
ldb.FLAG_MOD_ADD,
LAST_PROVISION_USN_ATTRIBUTE)
samdb.add(delta)
def get_max_usn(samdb,basedn):
""" This function return the biggest USN present in the provision
:param samdb: A LDB object pointing to the sam.ldb
:param basedn: A string containing the base DN of the provision
(ie. DC=foo, DC=bar)
:return: The biggest USN in the provision"""
res = samdb.search(expression="objectClass=*",base=basedn,
scope=ldb.SCOPE_SUBTREE,attrs=["uSNChanged"],
controls=["search_options:1:2",
"server_sort:1:1:uSNChanged",
"paged_results:1:1"])
return res[0]["uSNChanged"]
def get_last_provision_usn(sam):
"""Get the lastest USN modified by a provision or an upgradeprovision
:param sam: An LDB object pointing to the sam.ldb
:return an integer corresponding to the highest USN modified by
(upgrade)provision, 0 is this value is unknown"""
entry = sam.search(expression="(&(dn=@PROVISION)(%s=*))" % \
LAST_PROVISION_USN_ATTRIBUTE,
base="", scope=ldb.SCOPE_SUBTREE,
attrs=[LAST_PROVISION_USN_ATTRIBUTE])
if len(entry):
range = []
idx = 0
p = re.compile(r'-')
for r in entry[0][LAST_PROVISION_USN_ATTRIBUTE]:
tab = p.split(str(r))
range.append(tab[0])
range.append(tab[1])
idx = idx + 1
return range
else:
return None
class ProvisionResult(object):
def __init__(self):
self.paths = None
self.domaindn = None
self.lp = None
self.samdb = None
def check_install(lp, session_info, credentials):
"""Check whether the current install seems ok.
:param lp: Loadparm context
:param session_info: Session information
:param credentials: Credentials
"""
if lp.get("realm") == "":
raise Exception("Realm empty")
samdb = Ldb(lp.get("sam database"), session_info=session_info,
credentials=credentials, lp=lp)
if len(samdb.search("(cn=Administrator)")) != 1:
raise ProvisioningError("No administrator account found")
def findnss(nssfn, names):
"""Find a user or group from a list of possibilities.
:param nssfn: NSS Function to try (should raise KeyError if not found)
:param names: Names to check.
:return: Value return by first names list.
"""
for name in names:
try:
return nssfn(name)
except KeyError:
pass
raise KeyError("Unable to find user/group in %r" % names)
findnss_uid = lambda names: findnss(pwd.getpwnam, names)[2]
findnss_gid = lambda names: findnss(grp.getgrnam, names)[2]
def setup_add_ldif(ldb, ldif_path, subst_vars=None,controls=["relax:0"]):
"""Setup a ldb in the private dir.
:param ldb: LDB file to import data into
:param ldif_path: Path of the LDIF file to load
:param subst_vars: Optional variables to subsitute in LDIF.
:param nocontrols: Optional list of controls, can be None for no controls
"""
assert isinstance(ldif_path, str)
data = read_and_sub_file(ldif_path, subst_vars)
ldb.add_ldif(data, controls)
def setup_modify_ldif(ldb, ldif_path, subst_vars=None,controls=["relax:0"]):
"""Modify a ldb in the private dir.
:param ldb: LDB object.
:param ldif_path: LDIF file path.
:param subst_vars: Optional dictionary with substitution variables.
"""
data = read_and_sub_file(ldif_path, subst_vars)
ldb.modify_ldif(data, controls)
def setup_ldb(ldb, ldif_path, subst_vars):
"""Import a LDIF a file into a LDB handle, optionally substituting variables.
:note: Either all LDIF data will be added or none (using transactions).
:param ldb: LDB file to import into.
:param ldif_path: Path to the LDIF file.
:param subst_vars: Dictionary with substitution variables.
"""
assert ldb is not None
ldb.transaction_start()
try:
setup_add_ldif(ldb, ldif_path, subst_vars)
except:
ldb.transaction_cancel()
raise
else:
ldb.transaction_commit()
def provision_paths_from_lp(lp, dnsdomain):
"""Set the default paths for provisioning.
:param lp: Loadparm context.
:param dnsdomain: DNS Domain name
"""
paths = ProvisionPaths()
paths.private_dir = lp.get("private dir")
# This is stored without path prefix for the "privateKeytab" attribute in
# "secrets_dns.ldif".
paths.dns_keytab = "dns.keytab"
paths.keytab = "secrets.keytab"
paths.shareconf = os.path.join(paths.private_dir, "share.ldb")
paths.samdb = os.path.join(paths.private_dir, lp.get("sam database") or "samdb.ldb")
paths.idmapdb = os.path.join(paths.private_dir, lp.get("idmap database") or "idmap.ldb")
paths.secrets = os.path.join(paths.private_dir, lp.get("secrets database") or "secrets.ldb")
paths.privilege = os.path.join(paths.private_dir, "privilege.ldb")
paths.dns = os.path.join(paths.private_dir, "dns", dnsdomain + ".zone")
paths.dns_update_list = os.path.join(paths.private_dir, "dns_update_list")
paths.spn_update_list = os.path.join(paths.private_dir, "spn_update_list")
paths.namedconf = os.path.join(paths.private_dir, "named.conf")
paths.namedconf_update = os.path.join(paths.private_dir, "named.conf.update")
paths.namedtxt = os.path.join(paths.private_dir, "named.txt")
paths.krb5conf = os.path.join(paths.private_dir, "krb5.conf")
paths.winsdb = os.path.join(paths.private_dir, "wins.ldb")
paths.s4_ldapi_path = os.path.join(paths.private_dir, "ldapi")
paths.phpldapadminconfig = os.path.join(paths.private_dir,
"phpldapadmin-config.php")
paths.hklm = "hklm.ldb"
paths.hkcr = "hkcr.ldb"
paths.hkcu = "hkcu.ldb"
paths.hku = "hku.ldb"
paths.hkpd = "hkpd.ldb"
paths.hkpt = "hkpt.ldb"
paths.sysvol = lp.get("path", "sysvol")
paths.netlogon = lp.get("path", "netlogon")
paths.smbconf = lp.configfile
return paths
def guess_names(lp=None, hostname=None, domain=None, dnsdomain=None,
serverrole=None, rootdn=None, domaindn=None, configdn=None,
schemadn=None, serverdn=None, sitename=None):
"""Guess configuration settings to use."""
if hostname is None:
hostname = socket.gethostname().split(".")[0]
netbiosname = lp.get("netbios name")
if netbiosname is None:
netbiosname = hostname
# remove forbidden chars
for char in " !#$%&'()-.@^_{}~":
netbiosname = "".join(netbiosname.split(char))
#force the length to be <16
netbiosname = netbiosname[0:15]
assert netbiosname is not None
netbiosname = netbiosname.upper()
if not valid_netbios_name(netbiosname):
raise InvalidNetbiosName(netbiosname)
if dnsdomain is None:
dnsdomain = lp.get("realm")
if dnsdomain is None or dnsdomain == "":
raise ProvisioningError("guess_names: 'realm' not specified in supplied %s!", lp.configfile)
dnsdomain = dnsdomain.lower()
if serverrole is None:
serverrole = lp.get("server role")
if serverrole is None:
raise ProvisioningError("guess_names: 'server role' not specified in supplied %s!" % lp.configfile)
serverrole = serverrole.lower()
realm = dnsdomain.upper()
if lp.get("realm") == "":
raise ProvisioningError("guess_names: 'realm =' was not specified in supplied %s. Please remove the smb.conf file and let provision generate it" % lp.configfile)
if lp.get("realm").upper() != realm:
raise ProvisioningError("guess_names: 'realm=%s' in %s must match chosen realm '%s'! Please remove the smb.conf file and let provision generate it" % (lp.get("realm").upper(), realm, lp.configfile))
if lp.get("server role").lower() != serverrole:
raise ProvisioningError("guess_names: 'server role=%s' in %s must match chosen server role '%s'! Please remove the smb.conf file and let provision generate it" % (lp.get("server role").upper(), serverrole, lp.configfile))
if serverrole == "domain controller":
if domain is None:
# This will, for better or worse, default to 'WORKGROUP'
domain = lp.get("workgroup")
domain = domain.upper()
if lp.get("workgroup").upper() != domain:
raise ProvisioningError("guess_names: Workgroup '%s' in smb.conf must match chosen domain '%s'! Please remove the %s file and let provision generate it" % (lp.get("workgroup").upper(), domain, lp.configfile))
if domaindn is None:
domaindn = "DC=" + dnsdomain.replace(".", ",DC=")
else:
domain = netbiosname
if domaindn is None:
domaindn = "DC=" + netbiosname
if not valid_netbios_name(domain):
raise InvalidNetbiosName(domain)
if hostname.upper() == realm:
raise ProvisioningError("guess_names: Realm '%s' must not be equal to hostname '%s'!" % (realm, hostname))
if netbiosname == realm:
raise ProvisioningError("guess_names: Realm '%s' must not be equal to netbios hostname '%s'!" % (realm, netbiosname))
if domain == realm:
raise ProvisioningError("guess_names: Realm '%s' must not be equal to short domain name '%s'!" % (realm, domain))
if rootdn is None:
rootdn = domaindn
if configdn is None:
configdn = "CN=Configuration," + rootdn
if schemadn is None:
schemadn = "CN=Schema," + configdn
if sitename is None:
sitename=DEFAULTSITE
names = ProvisionNames()
names.rootdn = rootdn
names.domaindn = domaindn
names.configdn = configdn
names.schemadn = schemadn
names.ldapmanagerdn = "CN=Manager," + rootdn
names.dnsdomain = dnsdomain
names.domain = domain
names.realm = realm
names.netbiosname = netbiosname
names.hostname = hostname
names.sitename = sitename
names.serverdn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (netbiosname, sitename, configdn)
return names
def make_smbconf(smbconf, setup_path, hostname, domain, realm, serverrole,
targetdir, sid_generator="internal", eadb=False):
"""Create a new smb.conf file based on a couple of basic settings.
"""
assert smbconf is not None
if hostname is None:
hostname = socket.gethostname().split(".")[0]
netbiosname = hostname.upper()
# remove forbidden chars
for char in " !#$%&'()-.@^_{}~":
netbiosname = "".join(netbiosname.split(char))
#force the length to be <16
netbiosname = netbiosname[0:15]
else:
netbiosname = hostname.upper()
if serverrole is None:
serverrole = "standalone"
assert serverrole in ("domain controller", "member server", "standalone")
if serverrole == "domain controller":
smbconfsuffix = "dc"
elif serverrole == "member server":
smbconfsuffix = "member"
elif serverrole == "standalone":
smbconfsuffix = "standalone"
if sid_generator is None:
sid_generator = "internal"
assert domain is not None
domain = domain.upper()
assert realm is not None
realm = realm.upper()
default_lp = samba.param.LoadParm()
#Load non-existant file
if os.path.exists(smbconf):
default_lp.load(smbconf)
if eadb:
if targetdir is not None:
privdir = os.path.join(targetdir, "private")
else:
privdir = default_lp.get("private dir")
posixeadb_line = "posix:eadb = " + os.path.abspath(os.path.join(privdir, "eadb.tdb"))
else:
posixeadb_line = ""
if targetdir is not None:
privatedir_line = "private dir = " + os.path.abspath(os.path.join(targetdir, "private"))
lockdir_line = "lock dir = " + os.path.abspath(targetdir)
default_lp.set("lock dir", os.path.abspath(targetdir))
else:
privatedir_line = ""
lockdir_line = ""
if sid_generator == "internal":
sid_generator_line = ""
else:
sid_generator_line = "sid generator = " + sid_generator
used_setup_dir = setup_path("")
default_setup_dir = default_lp.get("setup directory")
setupdir_line = ""
if used_setup_dir != default_setup_dir:
setupdir_line = "setup directory = %s" % used_setup_dir
default_lp.set("setup directory", used_setup_dir)
sysvol = os.path.join(default_lp.get("lock dir"), "sysvol")
netlogon = os.path.join(sysvol, realm.lower(), "scripts")
setup_file(setup_path("provision.smb.conf.%s" % smbconfsuffix),
smbconf, {
"NETBIOS_NAME": netbiosname,
"DOMAIN": domain,
"REALM": realm,
"SERVERROLE": serverrole,
"NETLOGONPATH": netlogon,
"SYSVOLPATH": sysvol,
"SETUPDIRECTORY_LINE": setupdir_line,
"SIDGENERATOR_LINE": sid_generator_line,
"PRIVATEDIR_LINE": privatedir_line,
"LOCKDIR_LINE": lockdir_line,
"POSIXEADB_LINE": posixeadb_line
})
def setup_name_mappings(samdb, idmap, sid, domaindn, root_uid, nobody_uid,
users_gid, wheel_gid):
"""setup reasonable name mappings for sam names to unix names.
:param samdb: SamDB object.
:param idmap: IDmap db object.
:param sid: The domain sid.
:param domaindn: The domain DN.
:param root_uid: uid of the UNIX root user.
:param nobody_uid: uid of the UNIX nobody user.
:param users_gid: gid of the UNIX users group.
:param wheel_gid: gid of the UNIX wheel group."""
idmap.setup_name_mapping("S-1-5-7", idmap.TYPE_UID, nobody_uid)
idmap.setup_name_mapping("S-1-5-32-544", idmap.TYPE_GID, wheel_gid)
idmap.setup_name_mapping(sid + "-500", idmap.TYPE_UID, root_uid)
idmap.setup_name_mapping(sid + "-513", idmap.TYPE_GID, users_gid)
def setup_samdb_partitions(samdb_path, setup_path, logger, lp, session_info,
provision_backend, names, schema, serverrole,
erase=False):
"""Setup the partitions for the SAM database.
Alternatively, provision() may call this, and then populate the database.
:note: This will wipe the Sam Database!
:note: This function always removes the local SAM LDB file. The erase
parameter controls whether to erase the existing data, which
may not be stored locally but in LDAP.
"""
assert session_info is not None
# We use options=["modules:"] to stop the modules loading - we
# just want to wipe and re-initialise the database, not start it up
try:
os.unlink(samdb_path)
except OSError:
pass
samdb = Ldb(url=samdb_path, session_info=session_info,
lp=lp, options=["modules:"])
ldap_backend_line = "# No LDAP backend"
if provision_backend.type is not "ldb":
ldap_backend_line = "ldapBackend: %s" % provision_backend.ldap_uri
samdb.transaction_start()
try:
logger.info("Setting up sam.ldb partitions and settings")
setup_add_ldif(samdb, setup_path("provision_partitions.ldif"), {
"SCHEMADN": ldb.Dn(schema.ldb, names.schemadn).get_casefold(),
"CONFIGDN": ldb.Dn(schema.ldb, names.configdn).get_casefold(),
"DOMAINDN": ldb.Dn(schema.ldb, names.domaindn).get_casefold(),
"LDAP_BACKEND_LINE": ldap_backend_line,
})
setup_add_ldif(samdb, setup_path("provision_init.ldif"), {
"BACKEND_TYPE": provision_backend.type,
"SERVER_ROLE": serverrole
})
logger.info("Setting up sam.ldb rootDSE")
setup_samdb_rootdse(samdb, setup_path, names)
except:
samdb.transaction_cancel()
raise
else:
samdb.transaction_commit()
def secretsdb_self_join(secretsdb, domain,
netbiosname, machinepass, domainsid=None,
realm=None, dnsdomain=None,
keytab_path=None,
key_version_number=1,
secure_channel_type=SEC_CHAN_WKSTA):
"""Add domain join-specific bits to a secrets database.
:param secretsdb: Ldb Handle to the secrets database
:param machinepass: Machine password
"""
attrs=["whenChanged",
"secret",
"priorSecret",
"priorChanged",
"krb5Keytab",
"privateKeytab"]
if realm is not None:
if dnsdomain is None:
dnsdomain = realm.lower()
dnsname = '%s.%s' % (netbiosname.lower(), dnsdomain.lower())
else:
dnsname = None
shortname = netbiosname.lower()
#We don't need to set msg["flatname"] here, because rdn_name will handle it, and it causes problems for modifies anyway
msg = ldb.Message(ldb.Dn(secretsdb, "flatname=%s,cn=Primary Domains" % domain))
msg["secureChannelType"] = [str(secure_channel_type)]
msg["objectClass"] = ["top", "primaryDomain"]
if dnsname is not None:
msg["objectClass"] = ["top", "primaryDomain", "kerberosSecret"]
msg["realm"] = [realm]
msg["saltPrincipal"] = ["host/%s@%s" % (dnsname, realm.upper())]
msg["msDS-KeyVersionNumber"] = [str(key_version_number)]
msg["privateKeytab"] = ["secrets.keytab"]
msg["secret"] = [machinepass]
msg["samAccountName"] = ["%s$" % netbiosname]
msg["secureChannelType"] = [str(secure_channel_type)]
if domainsid is not None:
msg["objectSid"] = [ndr_pack(domainsid)]
# This complex expression tries to ensure that we don't have more
# than one record for this SID, realm or netbios domain at a time,
# but we don't delete the old record that we are about to modify,
# because that would delete the keytab and previous password.
res = secretsdb.search(base="cn=Primary Domains",
attrs=attrs,
expression=("(&(|(flatname=%s)(realm=%s)(objectSid=%s))(objectclass=primaryDomain)(!(dn=%s)))" % (domain, realm, str(domainsid), str(msg.dn))),
scope=ldb.SCOPE_ONELEVEL)
for del_msg in res:
secretsdb.delete(del_msg.dn)
res = secretsdb.search(base=msg.dn, attrs=attrs, scope=ldb.SCOPE_BASE)
if len(res) == 1:
msg["priorSecret"] = [res[0]["secret"][0]]
msg["priorWhenChanged"] = [res[0]["whenChanged"][0]]
try:
msg["privateKeytab"] = [res[0]["privateKeytab"][0]]
except KeyError:
pass
try:
msg["krb5Keytab"] = [res[0]["krb5Keytab"][0]]
except KeyError:
pass
for el in msg:
if el != 'dn':
msg[el].set_flags(ldb.FLAG_MOD_REPLACE)
secretsdb.modify(msg)
secretsdb.rename(res[0].dn, msg.dn)
else:
spn = [ 'HOST/%s' % shortname ]
if secure_channel_type == SEC_CHAN_BDC and dnsname is not None:
# we are a domain controller then we add servicePrincipalName entries
# for the keytab code to update
spn.extend([ 'HOST/%s' % dnsname ])
msg["servicePrincipalName"] = spn
secretsdb.add(msg)
def secretsdb_setup_dns(secretsdb, setup_path, names, private_dir,
realm, dnsdomain,
dns_keytab_path, dnspass):
"""Add DNS specific bits to a secrets database.
:param secretsdb: Ldb Handle to the secrets database
:param setup_path: Setup path function
:param machinepass: Machine password
"""
try:
os.unlink(os.path.join(private_dir, dns_keytab_path))
except OSError:
pass
setup_ldb(secretsdb, setup_path("secrets_dns.ldif"), {
"REALM": realm,
"DNSDOMAIN": dnsdomain,
"DNS_KEYTAB": dns_keytab_path,
"DNSPASS_B64": b64encode(dnspass),
"HOSTNAME": names.hostname,
"DNSNAME" : '%s.%s' % (names.netbiosname.lower(), names.dnsdomain.lower())
})
def setup_secretsdb(paths, setup_path, session_info, backend_credentials, lp):
"""Setup the secrets database.
:note: This function does not handle exceptions and transaction on purpose,
it's up to the caller to do this job.
:param path: Path to the secrets database.
:param setup_path: Get the path to a setup file.
:param session_info: Session info.
:param credentials: Credentials
:param lp: Loadparm context
:return: LDB handle for the created secrets database
"""
if os.path.exists(paths.secrets):
os.unlink(paths.secrets)
keytab_path = os.path.join(paths.private_dir, paths.keytab)
if os.path.exists(keytab_path):
os.unlink(keytab_path)
dns_keytab_path = os.path.join(paths.private_dir, paths.dns_keytab)
if os.path.exists(dns_keytab_path):
os.unlink(dns_keytab_path)
path = paths.secrets
secrets_ldb = Ldb(path, session_info=session_info,
lp=lp)
secrets_ldb.erase()
secrets_ldb.load_ldif_file_add(setup_path("secrets_init.ldif"))
secrets_ldb = Ldb(path, session_info=session_info,
lp=lp)
secrets_ldb.transaction_start()
try:
secrets_ldb.load_ldif_file_add(setup_path("secrets.ldif"))
if backend_credentials is not None and backend_credentials.authentication_requested():
if backend_credentials.get_bind_dn() is not None:
setup_add_ldif(secrets_ldb, setup_path("secrets_simple_ldap.ldif"), {
"LDAPMANAGERDN": backend_credentials.get_bind_dn(),
"LDAPMANAGERPASS_B64": b64encode(backend_credentials.get_password())
})
else:
setup_add_ldif(secrets_ldb, setup_path("secrets_sasl_ldap.ldif"), {
"LDAPADMINUSER": backend_credentials.get_username(),
"LDAPADMINREALM": backend_credentials.get_realm(),
"LDAPADMINPASS_B64": b64encode(backend_credentials.get_password())
})
return secrets_ldb
except:
secrets_ldb.transaction_cancel()
raise
def setup_privileges(path, setup_path, session_info, lp):
"""Setup the privileges database.
:param path: Path to the privileges database.
:param setup_path: Get the path to a setup file.
:param session_info: Session info.
:param credentials: Credentials
:param lp: Loadparm context
:return: LDB handle for the created secrets database
"""
if os.path.exists(path):
os.unlink(path)
privilege_ldb = Ldb(path, session_info=session_info, lp=lp)
privilege_ldb.erase()
privilege_ldb.load_ldif_file_add(setup_path("provision_privilege.ldif"))
def setup_registry(path, setup_path, session_info, lp):
"""Setup the registry.
:param path: Path to the registry database
:param setup_path: Function that returns the path to a setup.
:param session_info: Session information
:param credentials: Credentials
:param lp: Loadparm context
"""
reg = samba.registry.Registry()
hive = samba.registry.open_ldb(path, session_info=session_info,
lp_ctx=lp)
reg.mount_hive(hive, samba.registry.HKEY_LOCAL_MACHINE)
provision_reg = setup_path("provision.reg")
assert os.path.exists(provision_reg)
reg.diff_apply(provision_reg)
def setup_idmapdb(path, setup_path, session_info, lp):
"""Setup the idmap database.
:param path: path to the idmap database
:param setup_path: Function that returns a path to a setup file
:param session_info: Session information
:param credentials: Credentials
:param lp: Loadparm context
"""
if os.path.exists(path):
os.unlink(path)
idmap_ldb = IDmapDB(path, session_info=session_info,
lp=lp)
idmap_ldb.erase()
idmap_ldb.load_ldif_file_add(setup_path("idmap_init.ldif"))
return idmap_ldb
def setup_samdb_rootdse(samdb, setup_path, names):
"""Setup the SamDB rootdse.
:param samdb: Sam Database handle
:param setup_path: Obtain setup path
"""
setup_add_ldif(samdb, setup_path("provision_rootdse_add.ldif"), {
"SCHEMADN": names.schemadn,
"DOMAINDN": names.domaindn,
"ROOTDN": names.rootdn,
"CONFIGDN": names.configdn,
"SERVERDN": names.serverdn,
})
def setup_self_join(samdb, names,
machinepass, dnspass,
domainsid, next_rid, invocationid, setup_path,
policyguid, policyguid_dc, domainControllerFunctionality,
ntdsguid):
"""Join a host to its own domain."""
assert isinstance(invocationid, str)
if ntdsguid is not None:
ntdsguid_line = "objectGUID: %s\n"%ntdsguid
else:
ntdsguid_line = ""
setup_add_ldif(samdb, setup_path("provision_self_join.ldif"), {
"CONFIGDN": names.configdn,
"SCHEMADN": names.schemadn,
"DOMAINDN": names.domaindn,
"SERVERDN": names.serverdn,
"INVOCATIONID": invocationid,
"NETBIOSNAME": names.netbiosname,
"DEFAULTSITE": names.sitename,
"DNSNAME": "%s.%s" % (names.hostname, names.dnsdomain),
"MACHINEPASS_B64": b64encode(machinepass),
"REALM": names.realm,
"DOMAIN": names.domain,
"DOMAINSID": str(domainsid),
"DCRID": str(next_rid),
"DNSDOMAIN": names.dnsdomain,
"SAMBA_VERSION_STRING": version,
"NTDSGUID": ntdsguid_line,
"DOMAIN_CONTROLLER_FUNCTIONALITY": str(domainControllerFunctionality)})
setup_add_ldif(samdb, setup_path("provision_group_policy.ldif"), {
"POLICYGUID": policyguid,
"POLICYGUID_DC": policyguid_dc,
"DNSDOMAIN": names.dnsdomain,
"DOMAINSID": str(domainsid),
"DOMAINDN": names.domaindn})
# add the NTDSGUID based SPNs
ntds_dn = "CN=NTDS Settings,%s" % names.serverdn
names.ntdsguid = samdb.searchone(basedn=ntds_dn, attribute="objectGUID",
expression="", scope=ldb.SCOPE_BASE)
assert isinstance(names.ntdsguid, str)
# Setup fSMORoleOwner entries to point at the newly created DC entry
setup_modify_ldif(samdb, setup_path("provision_self_join_modify.ldif"), {
"DOMAIN": names.domain,
"DNSDOMAIN": names.dnsdomain,
"DOMAINDN": names.domaindn,
"CONFIGDN": names.configdn,
"SCHEMADN": names.schemadn,
"DEFAULTSITE": names.sitename,
"SERVERDN": names.serverdn,
"NETBIOSNAME": names.netbiosname,
"NTDSGUID": names.ntdsguid,
"RIDALLOCATIONSTART": str(next_rid + 100),
"RIDALLOCATIONEND": str(next_rid + 100 + 499),
})
# This is partially Samba4 specific and should be replaced by the correct
# DNS AD-style setup
setup_add_ldif(samdb, setup_path("provision_dns_add.ldif"), {
"DNSDOMAIN": names.dnsdomain,
"DOMAINDN": names.domaindn,
"DNSPASS_B64": b64encode(dnspass),
"HOSTNAME" : names.hostname,
"DNSNAME" : '%s.%s' % (names.netbiosname.lower(), names.dnsdomain.lower())
})
def getpolicypath(sysvolpath, dnsdomain, guid):
"""Return the physical path of policy given its guid.
:param sysvolpath: Path to the sysvol folder
:param dnsdomain: DNS name of the AD domain
:param guid: The GUID of the policy
:return: A string with the complete path to the policy folder
"""
if guid[0] != "{":
guid = "{%s}" % guid
policy_path = os.path.join(sysvolpath, dnsdomain, "Policies", guid)
return policy_path
def create_gpo_struct(policy_path):
if not os.path.exists(policy_path):
os.makedirs(policy_path, 0775)
open(os.path.join(policy_path, "GPT.INI"), 'w').write(
"[General]\r\nVersion=0")
p = os.path.join(policy_path, "MACHINE")
if not os.path.exists(p):
os.makedirs(p, 0775)
p = os.path.join(policy_path, "USER")
if not os.path.exists(p):
os.makedirs(p, 0775)
def create_default_gpo(sysvolpath, dnsdomain, policyguid, policyguid_dc):
"""Create the default GPO for a domain
:param sysvolpath: Physical path for the sysvol folder
:param dnsdomain: DNS domain name of the AD domain
:param policyguid: GUID of the default domain policy
:param policyguid_dc: GUID of the default domain controler policy
"""
policy_path = getpolicypath(sysvolpath,dnsdomain,policyguid)
create_gpo_struct(policy_path)
policy_path = getpolicypath(sysvolpath,dnsdomain,policyguid_dc)
create_gpo_struct(policy_path)
def setup_samdb(path, setup_path, session_info, provision_backend, lp, names,
logger, domainsid, domainguid, policyguid, policyguid_dc, fill,
adminpass, krbtgtpass, machinepass, invocationid, dnspass, ntdsguid,
serverrole, am_rodc=False, dom_for_fun_level=None, schema=None,
next_rid=1000):
"""Setup a complete SAM Database.
:note: This will wipe the main SAM database file!
"""
# Provision does not make much sense values larger than 1000000000
# as the upper range of the rIDAvailablePool is 1073741823 and
# we don't want to create a domain that cannot allocate rids.
if next_rid < 1000 or next_rid > 1000000000:
error = "You want to run SAMBA 4 with a next_rid of %u, " % (next_rid)
error += "the valid range is %u-%u. The default is %u." % (1000, 1000000000, 1000)
raise ProvisioningError(error)
# ATTENTION: Do NOT change these default values without discussion with the
# team and/or release manager. They have a big impact on the whole program!
domainControllerFunctionality = DS_DOMAIN_FUNCTION_2008_R2
if dom_for_fun_level is None:
dom_for_fun_level = DS_DOMAIN_FUNCTION_2003
if dom_for_fun_level > domainControllerFunctionality:
raise ProvisioningError("You want to run SAMBA 4 on a domain and forest function level which itself is higher than its actual DC function level (2008_R2). This won't work!")
domainFunctionality = dom_for_fun_level
forestFunctionality = dom_for_fun_level
# Also wipes the database
setup_samdb_partitions(path, setup_path, logger=logger, lp=lp,
provision_backend=provision_backend, session_info=session_info,
names=names, serverrole=serverrole, schema=schema)
if schema is None:
schema = Schema(setup_path, domainsid, schemadn=names.schemadn)
# Load the database, but don's load the global schema and don't connect quite yet
samdb = SamDB(session_info=session_info, url=None, auto_connect=False,
credentials=provision_backend.credentials, lp=lp, global_schema=False,
am_rodc=am_rodc)
logger.info("Pre-loading the Samba 4 and AD schema")
# Load the schema from the one we computed earlier
samdb.set_schema(schema)
# Set the NTDS settings DN manually - in order to have it already around
# before the provisioned tree exists and we connect
samdb.set_ntds_settings_dn("CN=NTDS Settings,%s" % names.serverdn)
# And now we can connect to the DB - the schema won't be loaded from the DB
samdb.connect(path)
if fill == FILL_DRS:
return samdb
samdb.transaction_start()
try:
# Set the domain functionality levels onto the database.
# Various module (the password_hash module in particular) need
# to know what level of AD we are emulating.
# These will be fixed into the database via the database
# modifictions below, but we need them set from the start.
samdb.set_opaque_integer("domainFunctionality", domainFunctionality)
samdb.set_opaque_integer("forestFunctionality", forestFunctionality)
samdb.set_opaque_integer("domainControllerFunctionality", domainControllerFunctionality)
samdb.set_domain_sid(str(domainsid))
samdb.set_invocation_id(invocationid)
logger.info("Adding DomainDN: %s" % names.domaindn)
#impersonate domain admin
admin_session_info = admin_session(lp, str(domainsid))
samdb.set_session_info(admin_session_info)
if domainguid is not None:
domainguid_line = "objectGUID: %s\n-" % domainguid
else:
domainguid_line = ""
descr = b64encode(get_domain_descriptor(domainsid))
setup_add_ldif(samdb, setup_path("provision_basedn.ldif"), {
"DOMAINDN": names.domaindn,
"DOMAINGUID": domainguid_line,
"DESCRIPTOR": descr
})
setup_modify_ldif(samdb, setup_path("provision_basedn_modify.ldif"), {
"CREATTIME": str(int(time.time() * 1e7)), # seconds -> ticks
"DOMAINSID": str(domainsid),
"NEXTRID": str(next_rid),
"SCHEMADN": names.schemadn,
"NETBIOSNAME": names.netbiosname,
"DEFAULTSITE": names.sitename,
"CONFIGDN": names.configdn,
"SERVERDN": names.serverdn,
"POLICYGUID": policyguid,
"DOMAINDN": names.domaindn,
"DOMAIN_FUNCTIONALITY": str(domainFunctionality),
"SAMBA_VERSION_STRING": version
})
logger.info("Adding configuration container")
descr = b64encode(get_config_descriptor(domainsid))
setup_add_ldif(samdb, setup_path("provision_configuration_basedn.ldif"), {
"CONFIGDN": names.configdn,
"DESCRIPTOR": descr,
})
# The LDIF here was created when the Schema object was constructed
logger.info("Setting up sam.ldb schema")
samdb.add_ldif(schema.schema_dn_add, controls=["relax:0"])
samdb.modify_ldif(schema.schema_dn_modify)
samdb.write_prefixes_from_schema()
samdb.add_ldif(schema.schema_data, controls=["relax:0"])
setup_add_ldif(samdb, setup_path("aggregate_schema.ldif"),
{"SCHEMADN": names.schemadn})
logger.info("Reopening sam.ldb with new schema")
except:
samdb.transaction_cancel()
raise
else:
samdb.transaction_commit()
samdb = SamDB(session_info=admin_session_info, auto_connect=False,
credentials=provision_backend.credentials, lp=lp,
global_schema=False, am_rodc=am_rodc)
# Set the NTDS settings DN manually - in order to have it already around
# before the provisioned tree exists and we connect
samdb.set_ntds_settings_dn("CN=NTDS Settings,%s" % names.serverdn)
samdb.connect(path)
samdb.transaction_start()
try:
samdb.invocation_id = invocationid
logger.info("Setting up sam.ldb configuration data")
descr = b64encode(get_sites_descriptor(domainsid))
setup_add_ldif(samdb, setup_path("provision_configuration.ldif"), {
"CONFIGDN": names.configdn,
"NETBIOSNAME": names.netbiosname,
"DEFAULTSITE": names.sitename,
"DNSDOMAIN": names.dnsdomain,
"DOMAIN": names.domain,
"SCHEMADN": names.schemadn,
"DOMAINDN": names.domaindn,
"SERVERDN": names.serverdn,
"FOREST_FUNCTIONALITY": str(forestFunctionality),
"DOMAIN_FUNCTIONALITY": str(domainFunctionality),
"SITES_DESCRIPTOR": descr
})
logger.info("Setting up display specifiers")
display_specifiers_ldif = read_ms_ldif(setup_path('display-specifiers/DisplaySpecifiers-Win2k8R2.txt'))
display_specifiers_ldif = substitute_var(display_specifiers_ldif, {"CONFIGDN": names.configdn})
check_all_substituted(display_specifiers_ldif)
samdb.add_ldif(display_specifiers_ldif)
logger.info("Adding users container")
setup_add_ldif(samdb, setup_path("provision_users_add.ldif"), {
"DOMAINDN": names.domaindn})
logger.info("Modifying users container")
setup_modify_ldif(samdb, setup_path("provision_users_modify.ldif"), {
"DOMAINDN": names.domaindn})
logger.info("Adding computers container")
setup_add_ldif(samdb, setup_path("provision_computers_add.ldif"), {
"DOMAINDN": names.domaindn})
logger.info("Modifying computers container")
setup_modify_ldif(samdb, setup_path("provision_computers_modify.ldif"), {
"DOMAINDN": names.domaindn})
logger.info("Setting up sam.ldb data")
setup_add_ldif(samdb, setup_path("provision.ldif"), {
"CREATTIME": str(int(time.time() * 1e7)), # seconds -> ticks
"DOMAINDN": names.domaindn,
"NETBIOSNAME": names.netbiosname,
"DEFAULTSITE": names.sitename,
"CONFIGDN": names.configdn,
"SERVERDN": names.serverdn,
"RIDAVAILABLESTART": str(next_rid + 600),
"POLICYGUID_DC": policyguid_dc
})
setup_modify_ldif(samdb, setup_path("provision_basedn_references.ldif"), {
"DOMAINDN": names.domaindn})
setup_modify_ldif(samdb, setup_path("provision_configuration_references.ldif"), {
"CONFIGDN": names.configdn,
"SCHEMADN": names.schemadn})
if fill == FILL_FULL:
logger.info("Setting up sam.ldb users and groups")
setup_add_ldif(samdb, setup_path("provision_users.ldif"), {
"DOMAINDN": names.domaindn,
"DOMAINSID": str(domainsid),
"CONFIGDN": names.configdn,
"ADMINPASS_B64": b64encode(adminpass),
"KRBTGTPASS_B64": b64encode(krbtgtpass),
})
logger.info("Setting up self join")
setup_self_join(samdb, names=names, invocationid=invocationid,
dnspass=dnspass,
machinepass=machinepass,
domainsid=domainsid,
next_rid=next_rid,
policyguid=policyguid,
policyguid_dc=policyguid_dc,
setup_path=setup_path,
domainControllerFunctionality=domainControllerFunctionality,
ntdsguid=ntdsguid)
ntds_dn = "CN=NTDS Settings,%s" % names.serverdn
names.ntdsguid = samdb.searchone(basedn=ntds_dn,
attribute="objectGUID", expression="", scope=ldb.SCOPE_BASE)
assert isinstance(names.ntdsguid, str)
except:
samdb.transaction_cancel()
raise
else:
samdb.transaction_commit()
return samdb
FILL_FULL = "FULL"
FILL_NT4SYNC = "NT4SYNC"
FILL_DRS = "DRS"
SYSVOL_ACL = "O:LAG:BAD:P(A;OICI;0x001f01ff;;;BA)(A;OICI;0x001200a9;;;SO)(A;OICI;0x001f01ff;;;SY)(A;OICI;0x001200a9;;;AU)"
POLICIES_ACL = "O:LAG:BAD:P(A;OICI;0x001f01ff;;;BA)(A;OICI;0x001200a9;;;SO)(A;OICI;0x001f01ff;;;SY)(A;OICI;0x001200a9;;;AU)(A;OICI;0x001301bf;;;PA)"
def set_dir_acl(path, acl, lp, domsid):
setntacl(lp, path, acl, domsid)
for root, dirs, files in os.walk(path, topdown=False):
for name in files:
setntacl(lp, os.path.join(root, name), acl, domsid)
for name in dirs:
setntacl(lp, os.path.join(root, name), acl, domsid)
def set_gpos_acl(sysvol, dnsdomain, domainsid, domaindn, samdb, lp):
"""Set ACL on the sysvol/<dnsname>/Policies folder and the policy
folders beneath.
:param sysvol: Physical path for the sysvol folder
:param dnsdomain: The DNS name of the domain
:param domainsid: The SID of the domain
:param domaindn: The DN of the domain (ie. DC=...)
:param samdb: An LDB object on the SAM db
:param lp: an LP object
"""
# Set ACL for GPO root folder
root_policy_path = os.path.join(sysvol, dnsdomain, "Policies")
setntacl(lp, root_policy_path, POLICIES_ACL, str(domainsid))
res = samdb.search(base="CN=Policies,CN=System,%s"%(domaindn),
attrs=["cn", "nTSecurityDescriptor"],
expression="", scope=ldb.SCOPE_ONELEVEL)
for policy in res:
acl = ndr_unpack(security.descriptor,
str(policy["nTSecurityDescriptor"])).as_sddl()
policy_path = getpolicypath(sysvol, dnsdomain, str(policy["cn"]))
set_dir_acl(policy_path, dsacl2fsacl(acl, str(domainsid)), lp,
str(domainsid))
def setsysvolacl(samdb, netlogon, sysvol, gid, domainsid, dnsdomain, domaindn,
lp):
"""Set the ACL for the sysvol share and the subfolders
:param samdb: An LDB object on the SAM db
:param netlogon: Physical path for the netlogon folder
:param sysvol: Physical path for the sysvol folder
:param gid: The GID of the "Domain adminstrators" group
:param domainsid: The SID of the domain
:param dnsdomain: The DNS name of the domain
:param domaindn: The DN of the domain (ie. DC=...)
"""
try:
os.chown(sysvol,-1,gid)
except:
canchown = False
else:
canchown = True
# Set the SYSVOL_ACL on the sysvol folder and subfolder (first level)
setntacl(lp,sysvol, SYSVOL_ACL, str(domainsid))
for root, dirs, files in os.walk(sysvol, topdown=False):
for name in files:
if canchown:
os.chown(os.path.join(root, name), -1, gid)
setntacl(lp, os.path.join(root, name), SYSVOL_ACL, str(domainsid))
for name in dirs:
if canchown:
os.chown(os.path.join(root, name), -1, gid)
setntacl(lp, os.path.join(root, name), SYSVOL_ACL, str(domainsid))
# Set acls on Policy folder and policies folders
set_gpos_acl(sysvol, dnsdomain, domainsid, domaindn, samdb, lp)
def provision(setup_dir, logger, session_info,
credentials, smbconf=None, targetdir=None, samdb_fill=FILL_FULL,
realm=None,
rootdn=None, domaindn=None, schemadn=None, configdn=None,
serverdn=None,
domain=None, hostname=None, hostip=None, hostip6=None,
domainsid=None, next_rid=1000,
adminpass=None, ldapadminpass=None,
krbtgtpass=None, domainguid=None,
policyguid=None, policyguid_dc=None, invocationid=None,
machinepass=None, ntdsguid=None,
dnspass=None, root=None, nobody=None, users=None,
wheel=None, backup=None, aci=None, serverrole=None,
dom_for_fun_level=None,
ldap_backend_extra_port=None, ldap_backend_forced_uri=None, backend_type=None,
sitename=None,
ol_mmr_urls=None, ol_olc=None,
setup_ds_path=None, slapd_path=None, nosync=False,
ldap_dryrun_mode=False, useeadb=False, am_rodc=False):
"""Provision samba4
:note: caution, this wipes all existing data!
"""
def setup_path(file):
return os.path.join(setup_dir, file)
if domainsid is None:
domainsid = security.random_sid()
else:
domainsid = security.dom_sid(domainsid)
# create/adapt the group policy GUIDs
# Default GUID for default policy are described at
# "How Core Group Policy Works"
# http://technet.microsoft.com/en-us/library/cc784268%28WS.10%29.aspx
if policyguid is None:
policyguid = DEFAULT_POLICY_GUID
policyguid = policyguid.upper()
if policyguid_dc is None:
policyguid_dc = DEFAULT_DC_POLICY_GUID
policyguid_dc = policyguid_dc.upper()
if adminpass is None:
adminpass = samba.generate_random_password(12, 32)
if krbtgtpass is None:
krbtgtpass = samba.generate_random_password(128, 255)
if machinepass is None:
machinepass = samba.generate_random_password(128, 255)
if dnspass is None:
dnspass = samba.generate_random_password(128, 255)
if ldapadminpass is None:
#Make a new, random password between Samba and it's LDAP server
ldapadminpass=samba.generate_random_password(128, 255)
if backend_type is None:
backend_type = "ldb"
sid_generator = "internal"
if backend_type == "fedora-ds":
sid_generator = "backend"
root_uid = findnss_uid([root or "root"])
nobody_uid = findnss_uid([nobody or "nobody"])
users_gid = findnss_gid([users or "users", 'users', 'other', 'staff'])
if wheel is None:
wheel_gid = findnss_gid(["wheel", "adm"])
else:
wheel_gid = findnss_gid([wheel])
try:
bind_gid = findnss_gid(["bind", "named"])
except KeyError:
bind_gid = None
if targetdir is not None:
smbconf = os.path.join(targetdir, "etc", "smb.conf")
elif smbconf is None:
smbconf = samba.param.default_path()
if not os.path.exists(os.path.dirname(smbconf)):
os.makedirs(os.path.dirname(smbconf))
# only install a new smb.conf if there isn't one there already
if os.path.exists(smbconf):
# if Samba Team members can't figure out the weird errors
# loading an empty smb.conf gives, then we need to be smarter.
# Pretend it just didn't exist --abartlet
data = open(smbconf, 'r').read()
data = data.lstrip()
if data is None or data == "":
make_smbconf(smbconf, setup_path, hostname, domain, realm,
serverrole, targetdir, sid_generator, useeadb)
else:
make_smbconf(smbconf, setup_path, hostname, domain, realm, serverrole,
targetdir, sid_generator, useeadb)
lp = samba.param.LoadParm()
lp.load(smbconf)
names = guess_names(lp=lp, hostname=hostname, domain=domain,
dnsdomain=realm, serverrole=serverrole,
domaindn=domaindn, configdn=configdn, schemadn=schemadn,
serverdn=serverdn, sitename=sitename)
paths = provision_paths_from_lp(lp, names.dnsdomain)
paths.bind_gid = bind_gid
if hostip is None:
hostips = samba.interface_ips(lp, False)
if len(hostips) == 0:
logger.warning("No external IPv4 address has been found. Using loopback.")
hostip = '127.0.0.1'
else:
hostip = hostips[0]
if len(hostips) > 1:
logger.warning("More than one IPv4 address found. Using %s.", hostip)
if hostip6 is None:
try:
for ip in socket.getaddrinfo(names.hostname, None, socket.AF_INET6, socket.AI_CANONNAME, socket.IPPROTO_IP):
if hostip6 is None:
hostip6 = ip[-1][0]
if hostip6 == '::1' and ip[-1][0] != '::1':
hostip6 = ip[-1][0]
except socket.gaierror, (socket.EAI_NODATA, msg):
hostip6 = None
if serverrole is None:
serverrole = lp.get("server role")
assert serverrole in ("domain controller", "member server", "standalone")
if invocationid is None:
invocationid = str(uuid.uuid4())
if not os.path.exists(paths.private_dir):
os.mkdir(paths.private_dir)
if not os.path.exists(os.path.join(paths.private_dir, "tls")):
os.mkdir(os.path.join(paths.private_dir, "tls"))
ldapi_url = "ldapi://%s" % urllib.quote(paths.s4_ldapi_path, safe="")
schema = Schema(setup_path, domainsid, invocationid=invocationid, schemadn=names.schemadn)
if backend_type == "ldb":
provision_backend = LDBBackend(backend_type,
paths=paths, setup_path=setup_path,
lp=lp, credentials=credentials,
names=names,
logger=logger)
elif backend_type == "existing":
provision_backend = ExistingBackend(backend_type,
paths=paths, setup_path=setup_path,
lp=lp, credentials=credentials,
names=names,
logger=logger,
ldap_backend_forced_uri=ldap_backend_forced_uri)
elif backend_type == "fedora-ds":
provision_backend = FDSBackend(backend_type,
paths=paths, setup_path=setup_path,
lp=lp, credentials=credentials,
names=names,
logger=logger,
domainsid=domainsid,
schema=schema,
hostname=hostname,
ldapadminpass=ldapadminpass,
slapd_path=slapd_path,
ldap_backend_extra_port=ldap_backend_extra_port,
ldap_dryrun_mode=ldap_dryrun_mode,
root=root,
setup_ds_path=setup_ds_path,
ldap_backend_forced_uri=ldap_backend_forced_uri)
elif backend_type == "openldap":
provision_backend = OpenLDAPBackend(backend_type,
paths=paths, setup_path=setup_path,
lp=lp, credentials=credentials,
names=names,
logger=logger,
domainsid=domainsid,
schema=schema,
hostname=hostname,
ldapadminpass=ldapadminpass,
slapd_path=slapd_path,
ldap_backend_extra_port=ldap_backend_extra_port,
ldap_dryrun_mode=ldap_dryrun_mode,
ol_mmr_urls=ol_mmr_urls,
nosync=nosync,
ldap_backend_forced_uri=ldap_backend_forced_uri)
else:
raise ValueError("Unknown LDAP backend type selected")
provision_backend.init()
provision_backend.start()
# only install a new shares config db if there is none
if not os.path.exists(paths.shareconf):
logger.info("Setting up share.ldb")
share_ldb = Ldb(paths.shareconf, session_info=session_info,
lp=lp)
share_ldb.load_ldif_file_add(setup_path("share.ldif"))
logger.info("Setting up secrets.ldb")
secrets_ldb = setup_secretsdb(paths, setup_path,
session_info=session_info,
backend_credentials=provision_backend.secrets_credentials, lp=lp)
try:
logger.info("Setting up the registry")
setup_registry(paths.hklm, setup_path, session_info,
lp=lp)
logger.info("Setting up the privileges database")
setup_privileges(paths.privilege, setup_path, session_info, lp=lp)
logger.info("Setting up idmap db")
idmap = setup_idmapdb(paths.idmapdb, setup_path, session_info=session_info,
lp=lp)
logger.info("Setting up SAM db")
samdb = setup_samdb(paths.samdb, setup_path, session_info,
provision_backend, lp, names,
logger=logger,
domainsid=domainsid,
schema=schema, domainguid=domainguid,
policyguid=policyguid, policyguid_dc=policyguid_dc,
fill=samdb_fill,
adminpass=adminpass, krbtgtpass=krbtgtpass,
invocationid=invocationid,
machinepass=machinepass, dnspass=dnspass,
ntdsguid=ntdsguid, serverrole=serverrole,
dom_for_fun_level=dom_for_fun_level,
am_rodc=am_rodc, next_rid=next_rid)
if serverrole == "domain controller":
if paths.netlogon is None:
logger.info("Existing smb.conf does not have a [netlogon] share, but you are configuring a DC.")
logger.info("Please either remove %s or see the template at %s" %
(paths.smbconf, setup_path("provision.smb.conf.dc")))
assert paths.netlogon is not None
if paths.sysvol is None:
logger.info("Existing smb.conf does not have a [sysvol] share, but you"
" are configuring a DC.")
logger.info("Please either remove %s or see the template at %s" %
(paths.smbconf, setup_path("provision.smb.conf.dc")))
assert paths.sysvol is not None
if not os.path.isdir(paths.netlogon):
os.makedirs(paths.netlogon, 0755)
if samdb_fill == FILL_FULL:
setup_name_mappings(samdb, idmap, str(domainsid), names.domaindn,
root_uid=root_uid, nobody_uid=nobody_uid,
users_gid=users_gid, wheel_gid=wheel_gid)
if serverrole == "domain controller":
# Set up group policies (domain policy and domain controller policy)
create_default_gpo(paths.sysvol, names.dnsdomain, policyguid, policyguid_dc)
setsysvolacl(samdb, paths.netlogon, paths.sysvol, wheel_gid,
domainsid, names.dnsdomain, names.domaindn, lp)
logger.info("Setting up sam.ldb rootDSE marking as synchronized")
setup_modify_ldif(samdb, setup_path("provision_rootdse_modify.ldif"))
secretsdb_self_join(secrets_ldb, domain=names.domain,
realm=names.realm,
dnsdomain=names.dnsdomain,
netbiosname=names.netbiosname,
domainsid=domainsid,
machinepass=machinepass,
secure_channel_type=SEC_CHAN_BDC)
# Now set up the right msDS-SupportedEncryptionTypes into the DB
# In future, this might be determined from some configuration
kerberos_enctypes = str(ENC_ALL_TYPES)
try:
msg = ldb.Message(ldb.Dn(samdb, samdb.searchone("distinguishedName", expression="samAccountName=%s$" % names.netbiosname, scope=ldb.SCOPE_SUBTREE)))
msg["msDS-SupportedEncryptionTypes"] = ldb.MessageElement(elements=kerberos_enctypes,
flags=ldb.FLAG_MOD_REPLACE,
name="msDS-SupportedEncryptionTypes")
samdb.modify(msg)
except ldb.LdbError, (ldb.ERR_NO_SUCH_ATTRIBUTE, _):
# It might be that this attribute does not exist in this schema
pass
if serverrole == "domain controller":
secretsdb_setup_dns(secrets_ldb, setup_path, names,
paths.private_dir,
realm=names.realm, dnsdomain=names.dnsdomain,
dns_keytab_path=paths.dns_keytab,
dnspass=dnspass)
domainguid = samdb.searchone(basedn=domaindn, attribute="objectGUID")
assert isinstance(domainguid, str)
# Only make a zone file on the first DC, it should be replicated
# with DNS replication
create_zone_file(lp, logger, paths, targetdir, setup_path,
dnsdomain=names.dnsdomain, hostip=hostip, hostip6=hostip6,
hostname=names.hostname, realm=names.realm,
domainguid=domainguid, ntdsguid=names.ntdsguid)
create_named_conf(paths, setup_path, realm=names.realm,
dnsdomain=names.dnsdomain, private_dir=paths.private_dir)
create_named_txt(paths.namedtxt, setup_path, realm=names.realm,
dnsdomain=names.dnsdomain, private_dir=paths.private_dir,
keytab_name=paths.dns_keytab)
logger.info("See %s for an example configuration include file for BIND", paths.namedconf)
logger.info("and %s for further documentation required for secure DNS "
"updates", paths.namedtxt)
lastProvisionUSNs = get_last_provision_usn(samdb)
maxUSN = get_max_usn(samdb, str(names.rootdn))
if lastProvisionUSNs is not None:
update_provision_usn(samdb, 0, maxUSN, 1)
else:
set_provision_usn(samdb, 0, maxUSN)
create_krb5_conf(paths.krb5conf, setup_path,
dnsdomain=names.dnsdomain, hostname=names.hostname,
realm=names.realm)
logger.info("A Kerberos configuration suitable for Samba 4 has been "
"generated at %s", paths.krb5conf)
if serverrole == "domain controller":
create_dns_update_list(lp, logger, paths, setup_path)
provision_backend.post_setup()
provision_backend.shutdown()
create_phpldapadmin_config(paths.phpldapadminconfig, setup_path,
ldapi_url)
except:
secrets_ldb.transaction_cancel()
raise
#Now commit the secrets.ldb to disk
secrets_ldb.transaction_commit()
# the commit creates the dns.keytab, now chown it
dns_keytab_path = os.path.join(paths.private_dir, paths.dns_keytab)
if (os.path.isfile(dns_keytab_path) and paths.bind_gid is not None):
try:
os.chmod(dns_keytab_path, 0640)
os.chown(dns_keytab_path, -1, paths.bind_gid)
except OSError:
if not os.environ.has_key('SAMBA_SELFTEST'):
logger.info("Failed to chown %s to bind gid %u", dns_keytab_path,
paths.bind_gid)
logger.info("Please install the phpLDAPadmin configuration located at %s into /etc/phpldapadmin/config.php",
paths.phpldapadminconfig)
logger.info("Once the above files are installed, your Samba4 server will be ready to use")
logger.info("Server Role: %s" % serverrole)
logger.info("Hostname: %s" % names.hostname)
logger.info("NetBIOS Domain: %s" % names.domain)
logger.info("DNS Domain: %s" % names.dnsdomain)
logger.info("DOMAIN SID: %s" % str(domainsid))
if samdb_fill == FILL_FULL:
logger.info("Admin password: %s" % adminpass)
if provision_backend.type is not "ldb":
if provision_backend.credentials.get_bind_dn() is not None:
logger.info("LDAP Backend Admin DN: %s" % provision_backend.credentials.get_bind_dn())
else:
logger.info("LDAP Admin User: %s" % provision_backend.credentials.get_username())
logger.info("LDAP Admin Password: %s" % provision_backend.credentials.get_password())
if provision_backend.slapd_command_escaped is not None:
# now display slapd_command_file.txt to show how slapd must be started next time
logger.info("Use later the following commandline to start slapd, then Samba:")
logger.info(provision_backend.slapd_command_escaped)
logger.info("This slapd-Commandline is also stored under: %s/ldap_backend_startup.sh",
provision_backend.ldapdir)
result = ProvisionResult()
result.domaindn = domaindn
result.paths = paths
result.lp = lp
result.samdb = samdb
return result
def provision_become_dc(setup_dir=None,
smbconf=None, targetdir=None, realm=None,
rootdn=None, domaindn=None, schemadn=None,
configdn=None, serverdn=None,
domain=None, hostname=None, domainsid=None,
adminpass=None, krbtgtpass=None, domainguid=None,
policyguid=None, policyguid_dc=None, invocationid=None,
machinepass=None,
dnspass=None, root=None, nobody=None, users=None,
wheel=None, backup=None, serverrole=None,
ldap_backend=None, ldap_backend_type=None,
sitename=None, debuglevel=1):
logger = logging.getLogger("provision")
samba.set_debug_level(debuglevel)
res = provision(setup_dir, logger, system_session(), None,
smbconf=smbconf, targetdir=targetdir, samdb_fill=FILL_DRS,
realm=realm, rootdn=rootdn, domaindn=domaindn, schemadn=schemadn,
configdn=configdn, serverdn=serverdn, domain=domain,
hostname=hostname, hostip="127.0.0.1", domainsid=domainsid,
machinepass=machinepass, serverrole="domain controller",
sitename=sitename)
res.lp.set("debuglevel", str(debuglevel))
return res
def create_phpldapadmin_config(path, setup_path, ldapi_uri):
"""Create a PHP LDAP admin configuration file.
:param path: Path to write the configuration to.
:param setup_path: Function to generate setup paths.
"""
setup_file(setup_path("phpldapadmin-config.php"), path,
{"S4_LDAPI_URI": ldapi_uri})
def create_zone_file(lp, logger, paths, targetdir, setup_path, dnsdomain,
hostip, hostip6, hostname, realm, domainguid,
ntdsguid):
"""Write out a DNS zone file, from the info in the current database.
:param paths: paths object
:param setup_path: Setup path function.
:param dnsdomain: DNS Domain name
:param domaindn: DN of the Domain
:param hostip: Local IPv4 IP
:param hostip6: Local IPv6 IP
:param hostname: Local hostname
:param realm: Realm name
:param domainguid: GUID of the domain.
:param ntdsguid: GUID of the hosts nTDSDSA record.
"""
assert isinstance(domainguid, str)
if hostip6 is not None:
hostip6_base_line = " IN AAAA " + hostip6
hostip6_host_line = hostname + " IN AAAA " + hostip6
gc_msdcs_ip6_line = "gc._msdcs IN AAAA " + hostip6
else:
hostip6_base_line = ""
hostip6_host_line = ""
gc_msdcs_ip6_line = ""
if hostip is not None:
hostip_base_line = " IN A " + hostip
hostip_host_line = hostname + " IN A " + hostip
gc_msdcs_ip_line = "gc._msdcs IN A " + hostip
else:
hostip_base_line = ""
hostip_host_line = ""
gc_msdcs_ip_line = ""
dns_dir = os.path.dirname(paths.dns)
try:
shutil.rmtree(dns_dir, True)
except OSError:
pass
os.mkdir(dns_dir, 0775)
# we need to freeze the zone while we update the contents
if targetdir is None:
rndc = ' '.join(lp.get("rndc command"))
os.system(rndc + " freeze " + lp.get("realm"))
setup_file(setup_path("provision.zone"), paths.dns, {
"HOSTNAME": hostname,
"DNSDOMAIN": dnsdomain,
"REALM": realm,
"HOSTIP_BASE_LINE": hostip_base_line,
"HOSTIP_HOST_LINE": hostip_host_line,
"DOMAINGUID": domainguid,
"DATESTRING": time.strftime("%Y%m%d%H"),
"DEFAULTSITE": DEFAULTSITE,
"NTDSGUID": ntdsguid,
"HOSTIP6_BASE_LINE": hostip6_base_line,
"HOSTIP6_HOST_LINE": hostip6_host_line,
"GC_MSDCS_IP_LINE": gc_msdcs_ip_line,
"GC_MSDCS_IP6_LINE": gc_msdcs_ip6_line,
})
# note that we use no variable substitution on this file
# the substitution is done at runtime by samba_dnsupdate
setup_file(setup_path("dns_update_list"), paths.dns_update_list, None)
# and the SPN update list
setup_file(setup_path("spn_update_list"), paths.spn_update_list, None)
if paths.bind_gid is not None:
try:
os.chown(dns_dir, -1, paths.bind_gid)
os.chown(paths.dns, -1, paths.bind_gid)
# chmod needed to cope with umask
os.chmod(dns_dir, 0775)
os.chmod(paths.dns, 0664)
except OSError:
if not os.environ.has_key('SAMBA_SELFTEST'):
logger.error("Failed to chown %s to bind gid %u" % (dns_dir, paths.bind_gid))
if targetdir is None:
os.system(rndc + " unfreeze " + lp.get("realm"))
def create_dns_update_list(lp, logger, paths, setup_path):
"""Write out a dns_update_list file"""
# note that we use no variable substitution on this file
# the substitution is done at runtime by samba_dnsupdate
setup_file(setup_path("dns_update_list"), paths.dns_update_list, None)
setup_file(setup_path("spn_update_list"), paths.spn_update_list, None)
def create_named_conf(paths, setup_path, realm, dnsdomain,
private_dir):
"""Write out a file containing zone statements suitable for inclusion in a
named.conf file (including GSS-TSIG configuration).
:param paths: all paths
:param setup_path: Setup path function.
:param realm: Realm name
:param dnsdomain: DNS Domain name
:param private_dir: Path to private directory
:param keytab_name: File name of DNS keytab file
"""
setup_file(setup_path("named.conf"), paths.namedconf, {
"DNSDOMAIN": dnsdomain,
"REALM": realm,
"ZONE_FILE": paths.dns,
"REALM_WC": "*." + ".".join(realm.split(".")[1:]),
"NAMED_CONF": paths.namedconf,
"NAMED_CONF_UPDATE": paths.namedconf_update
})
setup_file(setup_path("named.conf.update"), paths.namedconf_update)
def create_named_txt(path, setup_path, realm, dnsdomain,
private_dir, keytab_name):
"""Write out a file containing zone statements suitable for inclusion in a
named.conf file (including GSS-TSIG configuration).
:param path: Path of the new named.conf file.
:param setup_path: Setup path function.
:param realm: Realm name
:param dnsdomain: DNS Domain name
:param private_dir: Path to private directory
:param keytab_name: File name of DNS keytab file
"""
setup_file(setup_path("named.txt"), path, {
"DNSDOMAIN": dnsdomain,
"REALM": realm,
"DNS_KEYTAB": keytab_name,
"DNS_KEYTAB_ABS": os.path.join(private_dir, keytab_name),
"PRIVATE_DIR": private_dir
})
def create_krb5_conf(path, setup_path, dnsdomain, hostname, realm):
"""Write out a file containing zone statements suitable for inclusion in a
named.conf file (including GSS-TSIG configuration).
:param path: Path of the new named.conf file.
:param setup_path: Setup path function.
:param dnsdomain: DNS Domain name
:param hostname: Local hostname
:param realm: Realm name
"""
setup_file(setup_path("krb5.conf"), path, {
"DNSDOMAIN": dnsdomain,
"HOSTNAME": hostname,
"REALM": realm,
})
class ProvisioningError(Exception):
"""A generic provision error."""
def __init__(self, value):
self.value = value
def __str__(self):
return "ProvisioningError: " + self.value
class InvalidNetbiosName(Exception):
"""A specified name was not a valid NetBIOS name."""
def __init__(self, name):
super(InvalidNetbiosName, self).__init__("The name '%r' is not a valid NetBIOS name" % name)
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