# Unix SMB/CIFS implementation. # backend code for provisioning a Samba4 server # Copyright (C) Jelmer Vernooij 2007-2010 # Copyright (C) Andrew Bartlett 2008-2009 # Copyright (C) Oliver Liebel 2008-2009 # # Based on the original in EJS: # Copyright (C) Andrew Tridgell 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 . # """Functions for setting up a Samba configuration.""" from base64 import b64encode import os import pwd import grp import time import uuid import socket import param import registry 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_DC_FUNCTION_2008 from samba.dcerpc import security from samba.dcerpc.misc import SEC_CHAN_BDC, SEC_CHAN_WKSTA from samba.idmap import IDmapDB from samba.ntacls import setntacl, dsacl2fsacl from samba.ndr import ndr_pack,ndr_unpack from samba.schema import Schema from samba.samdb import SamDB from ms_display_specifiers import read_ms_ldif from samba.provisionbackend import LDBBackend, ExistingBackend, FDSBackend, OpenLDAPBackend __docformat__ = "restructuredText" def find_setup_dir(): """Find the setup directory used by provision.""" dirname = os.path.dirname(__file__) if "/site-packages/" in dirname: prefix = "/".join(dirname[:dirname.index("/site-packages/")].split("/")[:-2]) 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 ret = os.path.join(dirname, "../../../setup") if os.path.isdir(ret): return ret raise Exception("Unable to find setup directory.") # descriptors of the naming contexts # hard coded at this point, but will probably be changed when # we enable different fsmo roles 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" 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 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): """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) 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.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.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 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 %s 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,eadb): """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() 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 = 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 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, "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, message, 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.ldapi_uri samdb.transaction_start() try: message("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 }) message("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"] msg = ldb.Message(ldb.Dn(secretsdb, "flatname=%s,cn=Primary Domains" % domain)) msg["secureChannelType"] = str(secure_channel_type) msg["flatname"] = [domain] msg["objectClass"] = ["top", "primaryDomain"] if realm is not None: if dnsdomain is None: dnsdomain = realm.lower() msg["objectClass"] = ["top", "primaryDomain", "kerberosSecret"] msg["realm"] = realm msg["saltPrincipal"] = "host/%s.%s@%s" % (netbiosname.lower(), dnsdomain.lower(), 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)] res = secretsdb.search(base="cn=Primary Domains", attrs=attrs, expression=("(&(|(flatname=%s)(realm=%s)(objectSid=%s))(objectclass=primaryDomain))" % (domain, realm, str(domainsid))), scope=ldb.SCOPE_ONELEVEL) for del_msg in res: if del_msg.dn is not msg.dn: 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"] msg["priorWhenChanged"] = res[0]["whenChanged"] if res["privateKeytab"] is not None: msg["privateKeytab"] = res[0]["privateKeytab"] if res["krb5Keytab"] is not None: msg["krb5Keytab"] = res[0]["krb5Keytab"] for el in msg: el.set_flags(ldb.FLAG_MOD_REPLACE) secretsdb.modify(msg) else: secretsdb.add(msg) def secretsdb_setup_dns(secretsdb, setup_path, 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), }) def setup_secretsdb(path, setup_path, session_info, backend_credentials, lp): """Setup the secrets database. :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(path): os.unlink(path) 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() 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 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 = registry.Registry() hive = registry.open_ldb(path, session_info=session_info, lp_ctx=lp) reg.mount_hive(hive, 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, "NETBIOSNAME": names.netbiosname, "DNSDOMAIN": names.dnsdomain, "REALM": names.realm, "DNSNAME": "%s.%s" % (names.hostname, names.dnsdomain), "DOMAINDN": names.domaindn, "ROOTDN": names.rootdn, "CONFIGDN": names.configdn, "SERVERDN": names.serverdn, }) def setup_self_join(samdb, names, machinepass, dnspass, domainsid, 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), "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,CN=%s,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,%s" % (names.hostname, names.domaindn) 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, "DNSPASS_B64": b64encode(dnspass), }) def getpolicypath(sysvolpath, dnsdomain, guid): if guid[0] != "{": guid = "{%s}" % guid policy_path = os.path.join(sysvolpath, dnsdomain, "Policies", guid) return policy_path def create_gpo_struct(policy_path): os.makedirs(policy_path, 0755) open(os.path.join(policy_path, "GPT.INI"), 'w').write( "[General]\r\nVersion=65543") os.makedirs(os.path.join(policy_path, "MACHINE"), 0755) os.makedirs(os.path.join(policy_path, "USER"), 0755) def setup_gpo(sysvolpath, dnsdomain, policyguid, policyguid_dc): 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, message, domainsid, domainguid, policyguid, policyguid_dc, fill, adminpass, krbtgtpass, machinepass, invocationid, dnspass, ntdsguid, serverrole, dom_for_fun_level=None, schema=None): """Setup a complete SAM Database. :note: This will wipe the main SAM database file! """ # 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_DC_FUNCTION_2008 if dom_for_fun_level is None: dom_for_fun_level = DS_DOMAIN_FUNCTION_2003 if dom_for_fun_level < DS_DOMAIN_FUNCTION_2003: message("You want to run SAMBA 4 on a domain and forest function level" " lower than Windows 2003 (Native). This is not recommended") 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). This won't work!") domainFunctionality = dom_for_fun_level forestFunctionality = dom_for_fun_level # Also wipes the database setup_samdb_partitions(path, setup_path, message=message, 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, serverdn=names.serverdn) # Load the database, but importantly, use Ldb not SamDB as we don't want to # load the global schema samdb = Ldb(session_info=session_info, credentials=provision_backend.credentials, lp=lp) message("Pre-loading the Samba 4 and AD schema") # Load the schema from the one we computed earlier samdb.set_schema_from_ldb(schema.ldb) # 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) message("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), "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 }) message("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 message("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}) message("Reopening sam.ldb with new schema") except: samdb.transaction_cancel() raise else: samdb.transaction_commit() samdb = SamDB(session_info=admin_session_info, credentials=provision_backend.credentials, lp=lp, global_schema=False) samdb.connect(path) samdb.transaction_start() try: samdb.invocation_id = invocationid message("Setting up sam.ldb configuration data") 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_FUNCTIONALALITY": str(forestFunctionality) }) message("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) message("Adding users container") setup_add_ldif(samdb, setup_path("provision_users_add.ldif"), { "DOMAINDN": names.domaindn}) message("Modifying users container") setup_modify_ldif(samdb, setup_path("provision_users_modify.ldif"), { "DOMAINDN": names.domaindn}) message("Adding computers container") setup_add_ldif(samdb, setup_path("provision_computers_add.ldif"), { "DOMAINDN": names.domaindn}) message("Modifying computers container") setup_modify_ldif(samdb, setup_path("provision_computers_modify.ldif"), { "DOMAINDN": names.domaindn}) message("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, "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: message("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), }) message("Setting up self join") setup_self_join(samdb, names=names, invocationid=invocationid, dnspass=dnspass, machinepass=machinepass, domainsid=domainsid, policyguid=policyguid, policyguid_dc=policyguid_dc, setup_path=setup_path, domainControllerFunctionality=domainControllerFunctionality, ntdsguid=ntdsguid) ntds_dn = "CN=NTDS Settings,CN=%s,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,%s" % (names.hostname, names.domaindn) 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_gpo_acl(sysvol, dnsdomain, domainsid, domaindn, samdb, lp): # Set ACL for GPO policy_path = os.path.join(sysvol, dnsdomain, "Policies") set_dir_acl(policy_path,dsacl2fsacl(POLICIES_ACL, str(domainsid)), lp, 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): try: os.chown(sysvol,-1,gid) except: canchown = False else: canchown = True 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_gpo_acl(sysvol,dnsdomain,domainsid,domaindn,samdb,lp) def provision(setup_dir, message, 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, 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, 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): """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 if policyguid is None: policyguid = str(uuid.uuid4()) policyguid = policyguid.upper() if policyguid_dc is None: policyguid_dc = str(uuid.uuid4()) 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: if (not os.path.exists(os.path.join(targetdir, "etc"))): os.makedirs(os.path.join(targetdir, "etc")) smbconf = os.path.join(targetdir, "etc", "smb.conf") elif smbconf is None: smbconf = param.default_path() # 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 = 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: message("No external IPv4 address has been found: I use the loopback.") hostip = '127.0.0.1' else: hostip = hostips[0] if len(hostips) > 1: message("More than one IPv4 address found: I use " + 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, schemadn=names.schemadn, serverdn=names.serverdn) if backend_type == "ldb": provision_backend = LDBBackend(backend_type, paths=paths, setup_path=setup_path, lp=lp, credentials=credentials, names=names, message=message) elif backend_type == "existing": provision_backend = ExistingBackend(backend_type, paths=paths, setup_path=setup_path, lp=lp, credentials=credentials, names=names, message=message, ldapi_url=ldapi_url) elif backend_type == "fedora-ds": provision_backend = FDSBackend(backend_type, paths=paths, setup_path=setup_path, lp=lp, credentials=credentials, names=names, message=message, 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) elif backend_type == "openldap": provision_backend = OpenLDAPBackend(backend_type, paths=paths, setup_path=setup_path, lp=lp, credentials=credentials, names=names, message=message, 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) 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): message("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")) message("Setting up secrets.ldb") secrets_ldb = setup_secretsdb(paths.secrets, setup_path, session_info=session_info, backend_credentials=provision_backend.secrets_credentials, lp=lp) message("Setting up the registry") setup_registry(paths.hklm, setup_path, session_info, lp=lp) message("Setting up the privileges database") setup_privileges(paths.privilege, setup_path, session_info, lp=lp) message("Setting up idmap db") idmap = setup_idmapdb(paths.idmapdb, setup_path, session_info=session_info, lp=lp) message("Setting up SAM db") samdb = setup_samdb(paths.samdb, setup_path, session_info, provision_backend, lp, names, message, 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) if serverrole == "domain controller": if paths.netlogon is None: message("Existing smb.conf does not have a [netlogon] share, but you are configuring a DC.") message("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: message("Existing smb.conf does not have a [sysvol] share, but you" " are configuring a DC.") message("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) setup_gpo(paths.sysvol, names.dnsdomain, policyguid, policyguid_dc) setsysvolacl(samdb, paths.netlogon, paths.sysvol, wheel_gid, domainsid, names.dnsdomain, names.domaindn, lp) message("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) if serverrole == "domain controller": secretsdb_setup_dns(secrets_ldb, setup_path, 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, message, 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) message("See %s for an example configuration include file for BIND" % paths.namedconf) message("and %s for further documentation required for secure DNS " "updates" % paths.namedtxt) create_krb5_conf(paths.krb5conf, setup_path, dnsdomain=names.dnsdomain, hostname=names.hostname, realm=names.realm) message("A Kerberos configuration suitable for Samba 4 has been " "generated at %s" % paths.krb5conf) if serverrole == "domain controller": create_dns_update_list(lp, message, paths, setup_path) provision_backend.post_setup() provision_backend.shutdown() create_phpldapadmin_config(paths.phpldapadminconfig, setup_path, ldapi_url) #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: message("Failed to chown %s to bind gid %u" % (dns_keytab_path, paths.bind_gid)) message("Please install the phpLDAPadmin configuration located at %s into /etc/phpldapadmin/config.php" % paths.phpldapadminconfig) message("Once the above files are installed, your Samba4 server will be ready to use") message("Server Role: %s" % serverrole) message("Hostname: %s" % names.hostname) message("NetBIOS Domain: %s" % names.domain) message("DNS Domain: %s" % names.dnsdomain) message("DOMAIN SID: %s" % str(domainsid)) if samdb_fill == FILL_FULL: message("Admin password: %s" % adminpass) if provision_backend.type is not "ldb": if provision_backend.credentials.get_bind_dn() is not None: message("LDAP Backend Admin DN: %s" % provision_backend.credentials.get_bind_dn()) else: message("LDAP Admin User: %s" % provision_backend.credentials.get_username()) message("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 message("Use later the following commandline to start slapd, then Samba:") message(provision_backend.slapd_command_escaped) message("This slapd-Commandline is also stored under: " + provision_backend.ldapdir + "/ldap_backend_startup.sh") 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): def message(text): """print a message if quiet is not set.""" print text samba.set_debug_level(debuglevel) return provision(setup_dir, message, 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) 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, message, 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 else: hostip6_base_line = "" hostip6_host_line = "" if hostip is not None: hostip_base_line = " IN A " + hostip hostip_host_line = hostname + " IN A " + hostip else: hostip_base_line = "" hostip_host_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, }) # 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) 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: message("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, message, 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) 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)