diff options
Diffstat (limited to 'source4/scripting/python/samba/provision/__init__.py')
| -rw-r--r-- | source4/scripting/python/samba/provision/__init__.py | 2279 |
1 files changed, 0 insertions, 2279 deletions
diff --git a/source4/scripting/python/samba/provision/__init__.py b/source4/scripting/python/samba/provision/__init__.py deleted file mode 100644 index aac0ee36b2..0000000000 --- a/source4/scripting/python/samba/provision/__init__.py +++ /dev/null @@ -1,2279 +0,0 @@ -# Unix SMB/CIFS implementation. -# backend code for provisioning a Samba4 server - -# Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2012 -# 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.""" - -__docformat__ = "restructuredText" - -from base64 import b64encode -import os -import re -import pwd -import grp -import logging -import time -import uuid -import socket -import urllib -import string -import tempfile - -import ldb - -from samba.auth import system_session, admin_session -import samba -from samba.samba3 import smbd, passdb -from samba.samba3 import param as s3param -from samba.dsdb import DS_DOMAIN_FUNCTION_2000 -from samba import ( - Ldb, - MAX_NETBIOS_NAME_LEN, - check_all_substituted, - is_valid_netbios_char, - setup_file, - substitute_var, - valid_netbios_name, - version, - ) -from samba.dcerpc import security, misc -from samba.dcerpc.misc import ( - SEC_CHAN_BDC, - SEC_CHAN_WKSTA, - ) -from samba.dsdb import ( - DS_DOMAIN_FUNCTION_2003, - DS_DOMAIN_FUNCTION_2008_R2, - ENC_ALL_TYPES, - ) -from samba.idmap import IDmapDB -from samba.ms_display_specifiers import read_ms_ldif -from samba.ntacls import setntacl, getntacl, dsacl2fsacl -from samba.ndr import ndr_pack, ndr_unpack -from samba.provision.backend import ( - ExistingBackend, - FDSBackend, - LDBBackend, - OpenLDAPBackend, - ) -from samba.provision.descriptor import ( - get_empty_descriptor, - get_config_descriptor, - get_config_partitions_descriptor, - get_config_sites_descriptor, - get_config_ntds_quotas_descriptor, - get_config_delete_protected1_descriptor, - get_config_delete_protected1wd_descriptor, - get_config_delete_protected2_descriptor, - get_domain_descriptor, - get_domain_infrastructure_descriptor, - get_domain_builtin_descriptor, - get_domain_computers_descriptor, - get_domain_users_descriptor, - get_domain_controllers_descriptor, - get_domain_delete_protected1_descriptor, - get_domain_delete_protected2_descriptor, - get_dns_partition_descriptor, - get_dns_forest_microsoft_dns_descriptor, - get_dns_domain_microsoft_dns_descriptor, - ) -from samba.provision.common import ( - setup_path, - setup_add_ldif, - setup_modify_ldif, - ) -from samba.provision.sambadns import ( - get_dnsadmins_sid, - setup_ad_dns, - create_dns_update_list - ) - -import samba.param -import samba.registry -from samba.schema import Schema -from samba.samdb import SamDB -from samba.dbchecker import dbcheck - - -DEFAULT_POLICY_GUID = "31B2F340-016D-11D2-945F-00C04FB984F9" -DEFAULT_DC_POLICY_GUID = "6AC1786C-016F-11D2-945F-00C04fB984F9" -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 - self.state_dir = None - - -class ProvisionNames(object): - - def __init__(self): - self.ncs = None - self.rootdn = None - self.domaindn = None - self.configdn = None - self.schemadn = None - self.dnsforestdn = None - self.dnsdomaindn = 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 - self.name_map = {} - - -def find_provision_key_parameters(samdb, secretsdb, idmapdb, paths, smbconf, - lp): - """Get key provision parameters (realm, domain, ...) from a given provision - - :param samdb: An LDB object connected to the sam.ldb file - :param secretsdb: An LDB object connected to the secrets.ldb file - :param idmapdb: An LDB object connected to the idmap.ldb file - :param paths: A list of path to provision object - :param smbconf: Path to the smb.conf file - :param lp: A LoadParm object - :return: A list of key provision parameters - """ - names = ProvisionNames() - names.adminpass = None - - # NT domain, kerberos realm, root dn, domain dn, domain dns name - names.domain = string.upper(lp.get("workgroup")) - names.realm = lp.get("realm") - names.dnsdomain = names.realm.lower() - basedn = samba.dn_from_dns_name(names.dnsdomain) - names.realm = string.upper(names.realm) - # netbiosname - # Get the netbiosname first (could be obtained from smb.conf in theory) - res = secretsdb.search(expression="(flatname=%s)" % - names.domain,base="CN=Primary Domains", - scope=ldb.SCOPE_SUBTREE, attrs=["sAMAccountName"]) - names.netbiosname = str(res[0]["sAMAccountName"]).replace("$","") - - names.smbconf = smbconf - - # That's a bit simplistic but it's ok as long as we have only 3 - # partitions - current = samdb.search(expression="(objectClass=*)", - base="", scope=ldb.SCOPE_BASE, - attrs=["defaultNamingContext", "schemaNamingContext", - "configurationNamingContext","rootDomainNamingContext", - "namingContexts"]) - - names.configdn = current[0]["configurationNamingContext"] - configdn = str(names.configdn) - names.schemadn = current[0]["schemaNamingContext"] - if not (ldb.Dn(samdb, basedn) == (ldb.Dn(samdb, - current[0]["defaultNamingContext"][0]))): - raise ProvisioningError(("basedn in %s (%s) and from %s (%s)" - "is not the same ..." % (paths.samdb, - str(current[0]["defaultNamingContext"][0]), - paths.smbconf, basedn))) - - names.domaindn=current[0]["defaultNamingContext"] - names.rootdn=current[0]["rootDomainNamingContext"] - names.ncs=current[0]["namingContexts"] - names.dnsforestdn = None - names.dnsdomaindn = None - - for i in range(0, len(names.ncs)): - nc = names.ncs[i] - - dnsforestdn = "DC=ForestDnsZones,%s" % (str(names.rootdn)) - if nc == dnsforestdn: - names.dnsforestdn = dnsforestdn - continue - - dnsdomaindn = "DC=DomainDnsZones,%s" % (str(names.domaindn)) - if nc == dnsdomaindn: - names.dnsdomaindn = dnsdomaindn - continue - - # default site name - res3 = samdb.search(expression="(objectClass=site)", - base="CN=Sites," + configdn, scope=ldb.SCOPE_ONELEVEL, attrs=["cn"]) - names.sitename = str(res3[0]["cn"]) - - # dns hostname and server dn - res4 = samdb.search(expression="(CN=%s)" % names.netbiosname, - base="OU=Domain Controllers,%s" % basedn, - scope=ldb.SCOPE_ONELEVEL, attrs=["dNSHostName"]) - names.hostname = str(res4[0]["dNSHostName"]).replace("." + names.dnsdomain, "") - - server_res = samdb.search(expression="serverReference=%s" % res4[0].dn, - attrs=[], base=configdn) - names.serverdn = server_res[0].dn - - # invocation id/objectguid - res5 = samdb.search(expression="(objectClass=*)", - base="CN=NTDS Settings,%s" % str(names.serverdn), - scope=ldb.SCOPE_BASE, - attrs=["invocationID", "objectGUID"]) - names.invocation = str(ndr_unpack(misc.GUID, res5[0]["invocationId"][0])) - names.ntdsguid = str(ndr_unpack(misc.GUID, res5[0]["objectGUID"][0])) - - # domain guid/sid - res6 = samdb.search(expression="(objectClass=*)", base=basedn, - scope=ldb.SCOPE_BASE, attrs=["objectGUID", - "objectSid","msDS-Behavior-Version" ]) - names.domainguid = str(ndr_unpack(misc.GUID, res6[0]["objectGUID"][0])) - names.domainsid = ndr_unpack( security.dom_sid, res6[0]["objectSid"][0]) - if res6[0].get("msDS-Behavior-Version") is None or \ - int(res6[0]["msDS-Behavior-Version"][0]) < DS_DOMAIN_FUNCTION_2000: - names.domainlevel = DS_DOMAIN_FUNCTION_2000 - else: - names.domainlevel = int(res6[0]["msDS-Behavior-Version"][0]) - - # policy guid - res7 = samdb.search(expression="(displayName=Default Domain Policy)", - base="CN=Policies,CN=System," + basedn, - scope=ldb.SCOPE_ONELEVEL, attrs=["cn","displayName"]) - names.policyid = str(res7[0]["cn"]).replace("{","").replace("}","") - # dc policy guid - res8 = samdb.search(expression="(displayName=Default Domain Controllers" - " Policy)", - base="CN=Policies,CN=System," + basedn, - scope=ldb.SCOPE_ONELEVEL, - attrs=["cn","displayName"]) - if len(res8) == 1: - names.policyid_dc = str(res8[0]["cn"]).replace("{","").replace("}","") - else: - names.policyid_dc = None - - res9 = idmapdb.search(expression="(cn=%s-%s)" % - (str(names.domainsid), security.DOMAIN_RID_ADMINISTRATOR), - attrs=["xidNumber", "type"]) - if len(res9) != 1: - raise ProvisioningError("Unable to find uid/gid for Domain Admins rid (%s-%s" % (str(names.domainsid), security.DOMAIN_RID_ADMINISTRATOR)) - if res9[0]["type"][0] == "ID_TYPE_BOTH": - names.root_gid = res9[0]["xidNumber"][0] - else: - names.root_gid = pwd.getpwuid(int(res9[0]["xidNumber"][0])).pw_gid - - res10 = samdb.search(expression="(samaccountname=dns)", - scope=ldb.SCOPE_SUBTREE, attrs=["dn"], - controls=["search_options:1:2"]) - if (len(res10) > 0): - has_legacy_dns_account = True - else: - has_legacy_dns_account = False - - res11 = samdb.search(expression="(samaccountname=dns-%s)" % names.netbiosname, - scope=ldb.SCOPE_SUBTREE, attrs=["dn"], - controls=["search_options:1:2"]) - if (len(res11) > 0): - has_dns_account = True - else: - has_dns_account = False - - if names.dnsdomaindn is not None: - if has_dns_account: - names.dns_backend = 'BIND9_DLZ' - else: - names.dns_backend = 'SAMBA_INTERNAL' - elif has_dns_account or has_legacy_dns_account: - names.dns_backend = 'BIND9_FLATFILE' - else: - names.dns_backend = 'NONE' - - dns_admins_sid = get_dnsadmins_sid(samdb, names.domaindn) - names.name_map['DnsAdmins'] = str(dns_admins_sid) - - return names - - -def update_provision_usn(samdb, low, high, id, 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 id: The invocation id of the samba's dc - :param replace: A boolean indicating if the range should replace any - existing one or appended (default) - """ - - tab = [] - if not replace: - entry = samdb.search(base="@PROVISION", - scope=ldb.SCOPE_BASE, - attrs=[LAST_PROVISION_USN_ATTRIBUTE, "dn"]) - for e in entry[0][LAST_PROVISION_USN_ATTRIBUTE]: - if not re.search(';', e): - e = "%s;%s" % (e, id) - tab.append(str(e)) - - tab.append("%s-%s;%s" % (low, high, id)) - 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) - entry = samdb.search(expression='provisionnerID=*', - base="@PROVISION", scope=ldb.SCOPE_BASE, - attrs=["provisionnerID"]) - if len(entry) == 0 or len(entry[0]) == 0: - delta["provisionnerID"] = ldb.MessageElement(id, ldb.FLAG_MOD_ADD, "provisionnerID") - samdb.modify(delta) - - -def set_provision_usn(samdb, low, high, id): - """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 - :param id: The invocationId of the provision""" - - tab = [] - tab.append("%s-%s;%s" % (low, high, id)) - - 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 USNs ranges modified by a provision or an upgradeprovision - - :param sam: An LDB object pointing to the sam.ldb - :return: a dictionary which keys are invocation id and values are an array - of integer representing the different ranges - """ - try: - entry = sam.search(expression="%s=*" % LAST_PROVISION_USN_ATTRIBUTE, - base="@PROVISION", scope=ldb.SCOPE_BASE, - attrs=[LAST_PROVISION_USN_ATTRIBUTE, "provisionnerID"]) - except ldb.LdbError, (ecode, emsg): - if ecode == ldb.ERR_NO_SUCH_OBJECT: - return None - raise - if len(entry) > 0: - myids = [] - range = {} - p = re.compile(r'-') - if entry[0].get("provisionnerID"): - for e in entry[0]["provisionnerID"]: - myids.append(str(e)) - for r in entry[0][LAST_PROVISION_USN_ATTRIBUTE]: - tab1 = str(r).split(';') - if len(tab1) == 2: - id = tab1[1] - else: - id = "default" - if (len(myids) > 0 and id not in myids): - continue - tab2 = p.split(tab1[0]) - if range.get(id) is None: - range[id] = [] - range[id].append(tab2[0]) - range[id].append(tab2[1]) - return range - else: - return None - - -class ProvisionResult(object): - """Result of a provision. - - :ivar server_role: The server role - :ivar paths: ProvisionPaths instance - :ivar domaindn: The domain dn, as string - """ - - def __init__(self): - self.server_role = None - self.paths = None - self.domaindn = None - self.lp = None - self.samdb = None - self.idmap = None - self.names = None - self.domainsid = None - self.adminpass_generated = None - self.adminpass = None - self.backend_result = None - - def report_logger(self, logger): - """Report this provision result to a logger.""" - logger.info( - "Once the above files are installed, your Samba4 server will " - "be ready to use") - if self.adminpass_generated: - logger.info("Admin password: %s", self.adminpass) - logger.info("Server Role: %s", self.server_role) - logger.info("Hostname: %s", self.names.hostname) - logger.info("NetBIOS Domain: %s", self.names.domain) - logger.info("DNS Domain: %s", self.names.dnsdomain) - logger.info("DOMAIN SID: %s", self.domainsid) - - if self.backend_result: - self.backend_result.report_logger(logger) - - -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.samdb_url(), 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 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") - paths.state_dir = lp.get("state directory") - - # 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, "sam.ldb") - paths.idmapdb = os.path.join(paths.private_dir, "idmap.ldb") - paths.secrets = os.path.join(paths.private_dir, "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.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 determine_netbios_name(hostname): - """Determine a netbios name from a hostname.""" - # remove forbidden chars and force the length to be <16 - netbiosname = "".join([x for x in hostname if is_valid_netbios_char(x)]) - return netbiosname[:MAX_NETBIOS_NAME_LEN].upper() - - -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 = determine_netbios_name(hostname) - 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"), lp.configfile, serverrole)) - - if serverrole == "active directory 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 = samba.dn_from_dns_name(dnsdomain) - - if domain == netbiosname: - raise ProvisioningError("guess_names: Domain '%s' must not be equal to short host name '%s'!" % (domain, netbiosname)) - 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.upper() == 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, hostname, domain, realm, targetdir, - serverrole=None, eadb=False, use_ntvfs=False, lp=None, - global_param=None): - """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 = determine_netbios_name(hostname) - - if serverrole is None: - serverrole = "standalone server" - - assert domain is not None - domain = domain.upper() - - assert realm is not None - realm = realm.upper() - - global_settings = { - "netbios name": netbiosname, - "workgroup": domain, - "realm": realm, - "server role": serverrole, - } - - if lp is None: - lp = samba.param.LoadParm() - #Load non-existent file - if os.path.exists(smbconf): - lp.load(smbconf) - - if global_param is not None: - for ent in global_param: - if global_param[ent] is not None: - global_settings[ent] = " ".join(global_param[ent]) - - if targetdir is not None: - global_settings["private dir"] = os.path.abspath(os.path.join(targetdir, "private")) - global_settings["lock dir"] = os.path.abspath(targetdir) - global_settings["state directory"] = os.path.abspath(os.path.join(targetdir, "state")) - global_settings["cache directory"] = os.path.abspath(os.path.join(targetdir, "cache")) - - lp.set("lock dir", os.path.abspath(targetdir)) - lp.set("state directory", global_settings["state directory"]) - lp.set("cache directory", global_settings["cache directory"]) - - if eadb: - if use_ntvfs and not lp.get("posix:eadb"): - if targetdir is not None: - privdir = os.path.join(targetdir, "private") - else: - privdir = lp.get("private dir") - lp.set("posix:eadb", os.path.abspath(os.path.join(privdir, "eadb.tdb"))) - elif not use_ntvfs and not lp.get("xattr_tdb:file"): - if targetdir is not None: - statedir = os.path.join(targetdir, "state") - else: - statedir = lp.get("state directory") - lp.set("xattr_tdb:file", os.path.abspath(os.path.join(statedir, "xattr.tdb"))) - - shares = {} - if serverrole == "active directory domain controller": - shares["sysvol"] = os.path.join(lp.get("state directory"), "sysvol") - shares["netlogon"] = os.path.join(shares["sysvol"], realm.lower(), - "scripts") - else: - global_settings["passdb backend"] = "samba_dsdb" - - f = open(smbconf, 'w') - try: - f.write("[globals]\n") - for key, val in global_settings.iteritems(): - f.write("\t%s = %s\n" % (key, val)) - f.write("\n") - - for name, path in shares.iteritems(): - f.write("[%s]\n" % name) - f.write("\tpath = %s\n" % path) - f.write("\tread only = no\n") - f.write("\n") - finally: - f.close() - # reload the smb.conf - lp.load(smbconf) - - # and dump it without any values that are the default - # this ensures that any smb.conf parameters that were set - # on the provision/join command line are set in the resulting smb.conf - f = open(smbconf, mode='w') - try: - lp.dump(f, False) - finally: - f.close() - - -def setup_name_mappings(idmap, sid, root_uid, nobody_uid, - users_gid, root_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 root_gid: gid of the UNIX root group. - """ - idmap.setup_name_mapping("S-1-5-7", idmap.TYPE_UID, nobody_uid) - - 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, 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 != "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"), { - "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, 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)(!(distinguishedName=%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 setup_secretsdb(paths, 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 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()) - }) - except: - secrets_ldb.transaction_cancel() - raise - return secrets_ldb - - -def setup_privileges(path, session_info, lp): - """Setup the privileges database. - - :param path: Path to the privileges database. - :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, session_info, lp): - """Setup the registry. - - :param path: Path to the registry database - :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, session_info, lp): - """Setup the idmap database. - - :param path: path to the idmap database - :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, names): - """Setup the SamDB rootdse. - - :param samdb: Sam Database handle - """ - 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, admin_session_info, names, fill, machinepass, - dns_backend, dnspass, domainsid, next_rid, invocationid, - policyguid, policyguid_dc, - domainControllerFunctionality, ntdsguid=None, dc_rid=None): - """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 = "" - - if dc_rid is None: - dc_rid = next_rid - - 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, - "DNSNAME": "%s.%s" % (names.hostname, names.dnsdomain), - "MACHINEPASS_B64": b64encode(machinepass.encode('utf-16-le')), - "DOMAINSID": str(domainsid), - "DCRID": str(dc_rid), - "SAMBA_VERSION_STRING": version, - "NTDSGUID": ntdsguid_line, - "DOMAIN_CONTROLLER_FUNCTIONALITY": str( - domainControllerFunctionality), - "RIDALLOCATIONSTART": str(next_rid + 100), - "RIDALLOCATIONEND": str(next_rid + 100 + 499)}) - - setup_add_ldif(samdb, setup_path("provision_group_policy.ldif"), { - "POLICYGUID": policyguid, - "POLICYGUID_DC": policyguid_dc, - "DNSDOMAIN": names.dnsdomain, - "DOMAINDN": names.domaindn}) - - # If we are setting up a subdomain, then this has been replicated in, so we - # don't need to add it - if fill == FILL_FULL: - setup_add_ldif(samdb, setup_path("provision_self_join_config.ldif"), { - "CONFIGDN": names.configdn, - "SCHEMADN": names.schemadn, - "DOMAINDN": names.domaindn, - "SERVERDN": names.serverdn, - "INVOCATIONID": invocationid, - "NETBIOSNAME": names.netbiosname, - "DNSNAME": "%s.%s" % (names.hostname, names.dnsdomain), - "MACHINEPASS_B64": b64encode(machinepass.encode('utf-16-le')), - "DOMAINSID": str(domainsid), - "DCRID": str(dc_rid), - "SAMBA_VERSION_STRING": version, - "NTDSGUID": ntdsguid_line, - "DOMAIN_CONTROLLER_FUNCTIONALITY": str( - domainControllerFunctionality)}) - - # Setup fSMORoleOwner entries to point at the newly created DC entry - setup_modify_ldif(samdb, - setup_path("provision_self_join_modify_config.ldif"), { - "CONFIGDN": names.configdn, - "SCHEMADN": names.schemadn, - "DEFAULTSITE": names.sitename, - "NETBIOSNAME": names.netbiosname, - "SERVERDN": names.serverdn, - }) - - system_session_info = system_session() - samdb.set_session_info(system_session_info) - # Setup fSMORoleOwner entries to point at the newly created DC entry to - # modify a serverReference under cn=config when we are a subdomain, we must - # be system due to ACLs - setup_modify_ldif(samdb, setup_path("provision_self_join_modify.ldif"), { - "DOMAINDN": names.domaindn, - "SERVERDN": names.serverdn, - "NETBIOSNAME": names.netbiosname, - }) - - samdb.set_session_info(admin_session_info) - - if dns_backend != "SAMBA_INTERNAL": - # This is Samba4 specific and should be replaced by the correct - # DNS AD-style setup - setup_add_ldif(samdb, setup_path("provision_dns_add_samba.ldif"), { - "DNSDOMAIN": names.dnsdomain, - "DOMAINDN": names.domaindn, - "DNSPASS_B64": b64encode(dnspass.encode('utf-16-le')), - "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) - f = open(os.path.join(policy_path, "GPT.INI"), 'w') - try: - f.write("[General]\r\nVersion=0") - finally: - f.close() - 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, session_info, provision_backend, lp, names, - logger, fill, serverrole, schema, am_rodc=False): - """Setup a complete SAM Database. - - :note: This will wipe the main SAM database file! - """ - - # Also wipes the database - setup_samdb_partitions(path, logger=logger, lp=lp, - provision_backend=provision_backend, session_info=session_info, - names=names, serverrole=serverrole, schema=schema) - - # 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, write_indices_and_attributes=False) - - # 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) - - # But we have to give it one more kick to have it use the schema - # during provision - it needs, now that it is connected, to write - # the schema @ATTRIBUTES and @INDEXLIST records to the database. - samdb.set_schema(schema, write_indices_and_attributes=True) - - return samdb - - -def fill_samdb(samdb, lp, names, logger, domainsid, domainguid, policyguid, - policyguid_dc, fill, adminpass, krbtgtpass, machinepass, dns_backend, - dnspass, invocationid, ntdsguid, serverrole, am_rodc=False, - dom_for_fun_level=None, schema=None, next_rid=None, dc_rid=None): - - if next_rid is None: - next_rid = 1000 - - # 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 - - # 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.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, - "DOMAINSID": str(domainsid), - "DESCRIPTOR": descr, - "DOMAINGUID": domainguid_line - }) - - setup_modify_ldif(samdb, setup_path("provision_basedn_modify.ldif"), { - "DOMAINDN": names.domaindn, - "CREATTIME": str(samba.unix2nttime(int(time.time()))), - "NEXTRID": str(next_rid), - "DEFAULTSITE": names.sitename, - "CONFIGDN": names.configdn, - "POLICYGUID": policyguid, - "DOMAIN_FUNCTIONALITY": str(domainFunctionality), - "SAMBA_VERSION_STRING": version - }) - - # If we are setting up a subdomain, then this has been replicated in, so we don't need to add it - if fill == FILL_FULL: - 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}) - - # Now register this container in the root of the forest - msg = ldb.Message(ldb.Dn(samdb, names.domaindn)) - msg["subRefs"] = ldb.MessageElement(names.configdn , ldb.FLAG_MOD_ADD, - "subRefs") - - except: - samdb.transaction_cancel() - raise - else: - samdb.transaction_commit() - - samdb.transaction_start() - try: - samdb.invocation_id = invocationid - - # If we are setting up a subdomain, then this has been replicated in, so we don't need to add it - if fill == FILL_FULL: - logger.info("Setting up sam.ldb configuration data") - - partitions_descr = b64encode(get_config_partitions_descriptor(domainsid)) - sites_descr = b64encode(get_config_sites_descriptor(domainsid)) - ntdsquotas_descr = b64encode(get_config_ntds_quotas_descriptor(domainsid)) - protected1_descr = b64encode(get_config_delete_protected1_descriptor(domainsid)) - protected1wd_descr = b64encode(get_config_delete_protected1wd_descriptor(domainsid)) - protected2_descr = b64encode(get_config_delete_protected2_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), - "NTDSQUOTAS_DESCRIPTOR": ntdsquotas_descr, - "LOSTANDFOUND_DESCRIPTOR": protected1wd_descr, - "SERVICES_DESCRIPTOR": protected1_descr, - "PHYSICALLOCATIONS_DESCRIPTOR": protected1wd_descr, - "FORESTUPDATES_DESCRIPTOR": protected1wd_descr, - "EXTENDEDRIGHTS_DESCRIPTOR": protected2_descr, - "PARTITIONS_DESCRIPTOR": partitions_descr, - "SITES_DESCRIPTOR": sites_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("Modifying display specifiers") - setup_modify_ldif(samdb, - setup_path("provision_configuration_modify.ldif"), { - "CONFIGDN": names.configdn, - "DISPLAYSPECIFIERS_DESCRIPTOR": protected2_descr - }) - - logger.info("Adding users container") - users_desc = b64encode(get_domain_users_descriptor(domainsid)) - setup_add_ldif(samdb, setup_path("provision_users_add.ldif"), { - "DOMAINDN": names.domaindn, - "USERS_DESCRIPTOR": users_desc - }) - logger.info("Modifying users container") - setup_modify_ldif(samdb, setup_path("provision_users_modify.ldif"), { - "DOMAINDN": names.domaindn}) - logger.info("Adding computers container") - computers_desc = b64encode(get_domain_computers_descriptor(domainsid)) - setup_add_ldif(samdb, setup_path("provision_computers_add.ldif"), { - "DOMAINDN": names.domaindn, - "COMPUTERS_DESCRIPTOR": computers_desc - }) - 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") - infrastructure_desc = b64encode(get_domain_infrastructure_descriptor(domainsid)) - lostandfound_desc = b64encode(get_domain_delete_protected2_descriptor(domainsid)) - system_desc = b64encode(get_domain_delete_protected1_descriptor(domainsid)) - builtin_desc = b64encode(get_domain_builtin_descriptor(domainsid)) - controllers_desc = b64encode(get_domain_controllers_descriptor(domainsid)) - setup_add_ldif(samdb, setup_path("provision.ldif"), { - "CREATTIME": str(samba.unix2nttime(int(time.time()))), - "DOMAINDN": names.domaindn, - "NETBIOSNAME": names.netbiosname, - "DEFAULTSITE": names.sitename, - "CONFIGDN": names.configdn, - "SERVERDN": names.serverdn, - "RIDAVAILABLESTART": str(next_rid + 600), - "POLICYGUID_DC": policyguid_dc, - "INFRASTRUCTURE_DESCRIPTOR": infrastructure_desc, - "LOSTANDFOUND_DESCRIPTOR": lostandfound_desc, - "SYSTEM_DESCRIPTOR": system_desc, - "BUILTIN_DESCRIPTOR": builtin_desc, - "DOMAIN_CONTROLLERS_DESCRIPTOR": controllers_desc, - }) - - # If we are setting up a subdomain, then this has been replicated in, so we don't need to add it - if fill == FILL_FULL: - setup_modify_ldif(samdb, - setup_path("provision_configuration_references.ldif"), { - "CONFIGDN": names.configdn, - "SCHEMADN": names.schemadn}) - - logger.info("Setting up well known security principals") - protected1wd_descr = b64encode(get_config_delete_protected1wd_descriptor(domainsid)) - setup_add_ldif(samdb, setup_path("provision_well_known_sec_princ.ldif"), { - "CONFIGDN": names.configdn, - "WELLKNOWNPRINCIPALS_DESCRIPTOR": protected1wd_descr, - }) - - if fill == FILL_FULL or fill == FILL_SUBDOMAIN: - setup_modify_ldif(samdb, - setup_path("provision_basedn_references.ldif"), - {"DOMAINDN": names.domaindn}) - - logger.info("Setting up sam.ldb users and groups") - setup_add_ldif(samdb, setup_path("provision_users.ldif"), { - "DOMAINDN": names.domaindn, - "DOMAINSID": str(domainsid), - "ADMINPASS_B64": b64encode(adminpass.encode('utf-16-le')), - "KRBTGTPASS_B64": b64encode(krbtgtpass.encode('utf-16-le')) - }) - - logger.info("Setting up self join") - setup_self_join(samdb, admin_session_info, names=names, fill=fill, - invocationid=invocationid, - dns_backend=dns_backend, - dnspass=dnspass, - machinepass=machinepass, - domainsid=domainsid, - next_rid=next_rid, - dc_rid=dc_rid, - policyguid=policyguid, - policyguid_dc=policyguid_dc, - 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_SUBDOMAIN = "SUBDOMAIN" -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)" -SYSVOL_SERVICE="sysvol" - -def set_dir_acl(path, acl, lp, domsid, use_ntvfs, passdb, service=SYSVOL_SERVICE): - setntacl(lp, path, acl, domsid, use_ntvfs=use_ntvfs, skip_invalid_chown=True, passdb=passdb, service=service) - for root, dirs, files in os.walk(path, topdown=False): - for name in files: - setntacl(lp, os.path.join(root, name), acl, domsid, - use_ntvfs=use_ntvfs, skip_invalid_chown=True, passdb=passdb, service=service) - for name in dirs: - setntacl(lp, os.path.join(root, name), acl, domsid, - use_ntvfs=use_ntvfs, skip_invalid_chown=True, passdb=passdb, service=service) - - -def set_gpos_acl(sysvol, dnsdomain, domainsid, domaindn, samdb, lp, use_ntvfs, passdb): - """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), - use_ntvfs=use_ntvfs, skip_invalid_chown=True, passdb=passdb, service=SYSVOL_SERVICE) - - 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, domainsid), lp, - str(domainsid), use_ntvfs, - passdb=passdb) - - -def setsysvolacl(samdb, netlogon, sysvol, uid, gid, domainsid, dnsdomain, - domaindn, lp, use_ntvfs): - """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 uid: The UID of the "Administrator" user - :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=...) - """ - s4_passdb = None - - if not use_ntvfs: - # This will ensure that the smbd code we are running when setting ACLs - # is initialised with the smb.conf - s3conf = s3param.get_context() - s3conf.load(lp.configfile) - # ensure we are using the right samba_dsdb passdb backend, no matter what - s3conf.set("passdb backend", "samba_dsdb:%s" % samdb.url) - passdb.reload_static_pdb() - - # ensure that we init the samba_dsdb backend, so the domain sid is - # marked in secrets.tdb - s4_passdb = passdb.PDB(s3conf.get("passdb backend")) - - # now ensure everything matches correctly, to avoid wierd issues - if passdb.get_global_sam_sid() != domainsid: - raise ProvisioningError('SID as seen by smbd [%s] does not match SID as seen by the provision script [%s]!' % (passdb.get_global_sam_sid(), domainsid)) - - domain_info = s4_passdb.domain_info() - if domain_info["dom_sid"] != domainsid: - raise ProvisioningError('SID as seen by pdb_samba_dsdb [%s] does not match SID as seen by the provision script [%s]!' % (domain_info["dom_sid"], domainsid)) - - if domain_info["dns_domain"].upper() != dnsdomain.upper(): - raise ProvisioningError('Realm as seen by pdb_samba_dsdb [%s] does not match Realm as seen by the provision script [%s]!' % (domain_info["dns_domain"].upper(), dnsdomain.upper())) - - - try: - if use_ntvfs: - os.chown(sysvol, -1, gid) - except OSError: - canchown = False - else: - canchown = True - - # Set the SYSVOL_ACL on the sysvol folder and subfolder (first level) - setntacl(lp,sysvol, SYSVOL_ACL, str(domainsid), use_ntvfs=use_ntvfs, - skip_invalid_chown=True, passdb=s4_passdb, - service=SYSVOL_SERVICE) - for root, dirs, files in os.walk(sysvol, topdown=False): - for name in files: - if use_ntvfs and canchown: - os.chown(os.path.join(root, name), -1, gid) - setntacl(lp, os.path.join(root, name), SYSVOL_ACL, str(domainsid), - use_ntvfs=use_ntvfs, skip_invalid_chown=True, - passdb=s4_passdb, service=SYSVOL_SERVICE) - for name in dirs: - if use_ntvfs and canchown: - os.chown(os.path.join(root, name), -1, gid) - setntacl(lp, os.path.join(root, name), SYSVOL_ACL, str(domainsid), - use_ntvfs=use_ntvfs, skip_invalid_chown=True, - passdb=s4_passdb, service=SYSVOL_SERVICE) - - # Set acls on Policy folder and policies folders - set_gpos_acl(sysvol, dnsdomain, domainsid, domaindn, samdb, lp, use_ntvfs, passdb=s4_passdb) - -def acl_type(direct_db_access): - if direct_db_access: - return "DB" - else: - return "VFS" - -def check_dir_acl(path, acl, lp, domainsid, direct_db_access): - fsacl = getntacl(lp, path, direct_db_access=direct_db_access, service=SYSVOL_SERVICE) - fsacl_sddl = fsacl.as_sddl(domainsid) - if fsacl_sddl != acl: - raise ProvisioningError('%s ACL on GPO directory %s %s does not match expected value %s from GPO object' % (acl_type(direct_db_access), path, fsacl_sddl, acl)) - - for root, dirs, files in os.walk(path, topdown=False): - for name in files: - fsacl = getntacl(lp, os.path.join(root, name), - direct_db_access=direct_db_access, service=SYSVOL_SERVICE) - if fsacl is None: - raise ProvisioningError('%s ACL on GPO file %s %s not found!' % (acl_type(direct_db_access), os.path.join(root, name))) - fsacl_sddl = fsacl.as_sddl(domainsid) - if fsacl_sddl != acl: - raise ProvisioningError('%s ACL on GPO file %s %s does not match expected value %s from GPO object' % (acl_type(direct_db_access), os.path.join(root, name), fsacl_sddl, acl)) - - for name in dirs: - fsacl = getntacl(lp, os.path.join(root, name), - direct_db_access=direct_db_access, service=SYSVOL_SERVICE) - if fsacl is None: - raise ProvisioningError('%s ACL on GPO directory %s %s not found!' % (acl_type(direct_db_access), os.path.join(root, name))) - fsacl_sddl = fsacl.as_sddl(domainsid) - if fsacl_sddl != acl: - raise ProvisioningError('%s ACL on GPO directory %s %s does not match expected value %s from GPO object' % (acl_type(direct_db_access), os.path.join(root, name), fsacl_sddl, acl)) - - -def check_gpos_acl(sysvol, dnsdomain, domainsid, domaindn, samdb, lp, - direct_db_access): - """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") - fsacl = getntacl(lp, root_policy_path, - direct_db_access=direct_db_access, service=SYSVOL_SERVICE) - if fsacl is None: - raise ProvisioningError('DB ACL on policy root %s %s not found!' % (acl_type(direct_db_access), root_policy_path)) - fsacl_sddl = fsacl.as_sddl(domainsid) - if fsacl_sddl != POLICIES_ACL: - raise ProvisioningError('%s ACL on policy root %s %s does not match expected value %s from provision' % (acl_type(direct_db_access), root_policy_path, fsacl_sddl, fsacl)) - 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"])) - check_dir_acl(policy_path, dsacl2fsacl(acl, domainsid), lp, - domainsid, direct_db_access) - - -def checksysvolacl(samdb, netlogon, sysvol, 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 uid: The UID of the "Administrator" user - :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=...) - """ - - # This will ensure that the smbd code we are running when setting ACLs is initialised with the smb.conf - s3conf = s3param.get_context() - s3conf.load(lp.configfile) - # ensure we are using the right samba_dsdb passdb backend, no matter what - s3conf.set("passdb backend", "samba_dsdb:%s" % samdb.url) - # ensure that we init the samba_dsdb backend, so the domain sid is marked in secrets.tdb - s4_passdb = passdb.PDB(s3conf.get("passdb backend")) - - # now ensure everything matches correctly, to avoid wierd issues - if passdb.get_global_sam_sid() != domainsid: - raise ProvisioningError('SID as seen by smbd [%s] does not match SID as seen by the provision script [%s]!' % (passdb.get_global_sam_sid(), domainsid)) - - domain_info = s4_passdb.domain_info() - if domain_info["dom_sid"] != domainsid: - raise ProvisioningError('SID as seen by pdb_samba_dsdb [%s] does not match SID as seen by the provision script [%s]!' % (domain_info["dom_sid"], domainsid)) - - if domain_info["dns_domain"].upper() != dnsdomain.upper(): - raise ProvisioningError('Realm as seen by pdb_samba_dsdb [%s] does not match Realm as seen by the provision script [%s]!' % (domain_info["dns_domain"].upper(), dnsdomain.upper())) - - # Ensure we can read this directly, and via the smbd VFS - for direct_db_access in [True, False]: - # Check the SYSVOL_ACL on the sysvol folder and subfolder (first level) - for dir_path in [os.path.join(sysvol, dnsdomain), netlogon]: - fsacl = getntacl(lp, dir_path, direct_db_access=direct_db_access, service=SYSVOL_SERVICE) - if fsacl is None: - raise ProvisioningError('%s ACL on sysvol directory %s not found!' % (acl_type(direct_db_access), dir_path)) - fsacl_sddl = fsacl.as_sddl(domainsid) - if fsacl_sddl != SYSVOL_ACL: - raise ProvisioningError('%s ACL on sysvol directory %s %s does not match expected value %s from provision' % (acl_type(direct_db_access), dir_path, fsacl_sddl, SYSVOL_ACL)) - - # Check acls on Policy folder and policies folders - check_gpos_acl(sysvol, dnsdomain, domainsid, domaindn, samdb, lp, - direct_db_access) - - -def interface_ips_v4(lp): - """return only IPv4 IPs""" - ips = samba.interface_ips(lp, False) - ret = [] - for i in ips: - if i.find(':') == -1: - ret.append(i) - return ret - - -def interface_ips_v6(lp, linklocal=False): - """return only IPv6 IPs""" - ips = samba.interface_ips(lp, False) - ret = [] - for i in ips: - if i.find(':') != -1 and (linklocal or i.find('%') == -1): - ret.append(i) - return ret - - -def provision_fill(samdb, secrets_ldb, logger, names, paths, - domainsid, schema=None, - targetdir=None, samdb_fill=FILL_FULL, - hostip=None, hostip6=None, - next_rid=1000, dc_rid=None, adminpass=None, krbtgtpass=None, - domainguid=None, policyguid=None, policyguid_dc=None, - invocationid=None, machinepass=None, ntdsguid=None, - dns_backend=None, dnspass=None, - serverrole=None, dom_for_fun_level=None, - am_rodc=False, lp=None, use_ntvfs=False, skip_sysvolacl=False): - # 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 invocationid is None: - invocationid = str(uuid.uuid4()) - - 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) - - samdb = fill_samdb(samdb, 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, - dns_backend=dns_backend, dnspass=dnspass, - ntdsguid=ntdsguid, serverrole=serverrole, - dom_for_fun_level=dom_for_fun_level, am_rodc=am_rodc, - next_rid=next_rid, dc_rid=dc_rid) - - if serverrole == "active directory domain controller": - - # Set up group policies (domain policy and domain controller - # policy) - create_default_gpo(paths.sysvol, names.dnsdomain, policyguid, - policyguid_dc) - if not skip_sysvolacl: - setsysvolacl(samdb, paths.netlogon, paths.sysvol, paths.root_uid, - paths.root_gid, domainsid, names.dnsdomain, - names.domaindn, lp, use_ntvfs) - else: - logger.info("Setting acl on sysvol skipped") - - 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, (enum, estr): - if enum != ldb.ERR_NO_SUCH_ATTRIBUTE: - # It might be that this attribute does not exist in this schema - raise - - setup_ad_dns(samdb, secrets_ldb, domainsid, names, paths, lp, logger, - hostip=hostip, hostip6=hostip6, dns_backend=dns_backend, - dnspass=dnspass, os_level=dom_for_fun_level, - targetdir=targetdir, site=DEFAULTSITE) - - domainguid = samdb.searchone(basedn=samdb.get_default_basedn(), - attribute="objectGUID") - assert isinstance(domainguid, str) - - 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, invocationid, 1) - else: - set_provision_usn(samdb, 0, maxUSN, invocationid) - - logger.info("Setting up sam.ldb rootDSE marking as synchronized") - setup_modify_ldif(samdb, setup_path("provision_rootdse_modify.ldif"), - { 'NTDSGUID' : names.ntdsguid }) - - # fix any dangling GUIDs from the provision - logger.info("Fixing provision GUIDs") - chk = dbcheck(samdb, samdb_schema=samdb, verbose=False, fix=True, yes=True, - quiet=True) - samdb.transaction_start() - try: - # a small number of GUIDs are missing because of ordering issues in the - # provision code - for schema_obj in ['CN=Domain', 'CN=Organizational-Person', 'CN=Contact', 'CN=inetOrgPerson']: - chk.check_database(DN="%s,%s" % (schema_obj, names.schemadn), - scope=ldb.SCOPE_BASE, - attrs=['defaultObjectCategory']) - chk.check_database(DN="CN=IP Security,CN=System,%s" % names.domaindn, - scope=ldb.SCOPE_ONELEVEL, - attrs=['ipsecOwnersReference', - 'ipsecFilterReference', - 'ipsecISAKMPReference', - 'ipsecNegotiationPolicyReference', - 'ipsecNFAReference']) - except: - samdb.transaction_cancel() - raise - else: - samdb.transaction_commit() - - -_ROLES_MAP = { - "ROLE_STANDALONE": "standalone server", - "ROLE_DOMAIN_MEMBER": "member server", - "ROLE_DOMAIN_BDC": "active directory domain controller", - "ROLE_DOMAIN_PDC": "active directory domain controller", - "dc": "active directory domain controller", - "member": "member server", - "domain controller": "active directory domain controller", - "active directory domain controller": "active directory domain controller", - "member server": "member server", - "standalone": "standalone server", - "standalone server": "standalone server", - } - - -def sanitize_server_role(role): - """Sanitize a server role name. - - :param role: Server role - :raise ValueError: If the role can not be interpreted - :return: Sanitized server role (one of "member server", - "active directory domain controller", "standalone server") - """ - try: - return _ROLES_MAP[role] - except KeyError: - raise ValueError(role) - - -def provision_fake_ypserver(logger, samdb, domaindn, netbiosname, nisdomain, - maxuid, maxgid): - """Create AD entries for the fake ypserver. - - This is needed for being able to manipulate posix attrs via ADUC. - """ - samdb.transaction_start() - try: - logger.info("Setting up fake yp server settings") - setup_add_ldif(samdb, setup_path("ypServ30.ldif"), { - "DOMAINDN": domaindn, - "NETBIOSNAME": netbiosname, - "NISDOMAIN": nisdomain, - }) - except: - samdb.transaction_cancel() - raise - else: - samdb.transaction_commit() - - -def provision(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, dc_rid=None, adminpass=None, ldapadminpass=None, - krbtgtpass=None, domainguid=None, policyguid=None, policyguid_dc=None, - dns_backend=None, dns_forwarder=None, dnspass=None, - invocationid=None, machinepass=None, ntdsguid=None, - root=None, nobody=None, users=None, backup=None, aci=None, - serverrole=None, dom_for_fun_level=None, backend_type=None, - sitename=None, ol_mmr_urls=None, ol_olc=None, slapd_path="/bin/false", - useeadb=False, am_rodc=False, lp=None, use_ntvfs=False, - use_rfc2307=False, maxuid=None, maxgid=None, skip_sysvolacl=True): - """Provision samba4 - - :note: caution, this wipes all existing data! - """ - - try: - serverrole = sanitize_server_role(serverrole) - except ValueError: - raise ProvisioningError('server role (%s) should be one of "active directory domain controller", "member server", "standalone server"' % serverrole) - - 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" - - if domainsid is None: - domainsid = security.random_sid() - else: - domainsid = security.dom_sid(domainsid) - - root_uid = findnss_uid([root or "root"]) - nobody_uid = findnss_uid([nobody or "nobody"]) - users_gid = findnss_gid([users or "users", 'users', 'other', 'staff']) - root_gid = pwd.getpwuid(root_uid).pw_gid - - 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)) - - server_services = [] - global_param = {} - if use_rfc2307: - global_param["idmap_ldb:use rfc2307"] = ["yes"] - - if dns_backend != "SAMBA_INTERNAL": - server_services.append("-dns") - else: - if dns_forwarder is not None: - global_param["dns forwarder"] = [dns_forwarder] - - if use_ntvfs: - server_services.append("+smb") - server_services.append("-s3fs") - global_param["dcerpc endpoint servers"] = ["+winreg", "+srvsvc"] - - if len(server_services) > 0: - global_param["server services"] = server_services - - # 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 - f = open(smbconf, 'r') - try: - data = f.read().lstrip() - finally: - f.close() - if data is None or data == "": - make_smbconf(smbconf, hostname, domain, realm, - targetdir, serverrole=serverrole, - eadb=useeadb, use_ntvfs=use_ntvfs, - lp=lp, global_param=global_param) - else: - make_smbconf(smbconf, hostname, domain, realm, targetdir, - serverrole=serverrole, - eadb=useeadb, use_ntvfs=use_ntvfs, lp=lp, global_param=global_param) - - if lp is None: - 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, rootdn=rootdn) - paths = provision_paths_from_lp(lp, names.dnsdomain) - - paths.bind_gid = bind_gid - paths.root_uid = root_uid; - paths.root_gid = root_gid - - if hostip is None: - logger.info("Looking up IPv4 addresses") - hostips = interface_ips_v4(lp) - if len(hostips) > 0: - hostip = hostips[0] - if len(hostips) > 1: - logger.warning("More than one IPv4 address found. Using %s", - hostip) - if hostip == "127.0.0.1": - hostip = None - if hostip is None: - logger.warning("No IPv4 address will be assigned") - - if hostip6 is None: - logger.info("Looking up IPv6 addresses") - hostips = interface_ips_v6(lp, linklocal=False) - if hostips: - hostip6 = hostips[0] - if len(hostips) > 1: - logger.warning("More than one IPv6 address found. Using %s", hostip6) - if hostip6 is None: - logger.warning("No IPv6 address will be assigned") - - names.hostip = hostip - names.hostip6 = hostip6 - - if serverrole is None: - serverrole = lp.get("server role") - - 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")) - if not os.path.exists(paths.state_dir): - os.mkdir(paths.state_dir) - - if paths.sysvol and not os.path.exists(paths.sysvol): - os.makedirs(paths.sysvol, 0775) - - if not use_ntvfs and serverrole == "active directory domain controller": - s3conf = s3param.get_context() - s3conf.load(lp.configfile) - - if paths.sysvol is None: - raise MissingShareError("sysvol", paths.smbconf) - - file = tempfile.NamedTemporaryFile(dir=os.path.abspath(paths.sysvol)) - try: - try: - smbd.set_simple_acl(file.name, 0755, root_gid) - except Exception: - if not smbd.have_posix_acls(): - # This clue is only strictly correct for RPM and - # Debian-like Linux systems, but hopefully other users - # will get enough clue from it. - raise ProvisioningError("Samba was compiled without the posix ACL support that s3fs requires. Try installing libacl1-dev or libacl-devel, then re-run configure and make.") - - raise ProvisioningError("Your filesystem or build does not support posix ACLs, which s3fs requires. Try the mounting the filesystem with the 'acl' option.") - try: - smbd.chown(file.name, root_uid, root_gid) - except Exception: - raise ProvisioningError("Unable to chown a file on your filesystem. You may not be running provision as root.") - finally: - file.close() - - ldapi_url = "ldapi://%s" % urllib.quote(paths.s4_ldapi_path, safe="") - - schema = Schema(domainsid, invocationid=invocationid, - schemadn=names.schemadn) - - if backend_type == "ldb": - provision_backend = LDBBackend(backend_type, paths=paths, - lp=lp, credentials=credentials, - names=names, logger=logger) - elif backend_type == "existing": - # If support for this is ever added back, then the URI will need to be - # specified again - provision_backend = ExistingBackend(backend_type, paths=paths, - lp=lp, credentials=credentials, - names=names, logger=logger, - ldap_backend_forced_uri=None) - elif backend_type == "fedora-ds": - provision_backend = FDSBackend(backend_type, paths=paths, - lp=lp, credentials=credentials, - names=names, logger=logger, domainsid=domainsid, - schema=schema, hostname=hostname, ldapadminpass=ldapadminpass, - slapd_path=slapd_path, - root=root) - elif backend_type == "openldap": - provision_backend = OpenLDAPBackend(backend_type, paths=paths, - lp=lp, credentials=credentials, - names=names, logger=logger, domainsid=domainsid, - schema=schema, hostname=hostname, ldapadminpass=ldapadminpass, - slapd_path=slapd_path, ol_mmr_urls=ol_mmr_urls) - 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, - session_info=session_info, - backend_credentials=provision_backend.secrets_credentials, lp=lp) - - try: - logger.info("Setting up the registry") - setup_registry(paths.hklm, session_info, lp=lp) - - logger.info("Setting up the privileges database") - setup_privileges(paths.privilege, session_info, lp=lp) - - logger.info("Setting up idmap db") - idmap = setup_idmapdb(paths.idmapdb, session_info=session_info, lp=lp) - - setup_name_mappings(idmap, sid=str(domainsid), - root_uid=root_uid, nobody_uid=nobody_uid, - users_gid=users_gid, root_gid=root_gid) - - logger.info("Setting up SAM db") - samdb = setup_samdb(paths.samdb, session_info, - provision_backend, lp, names, logger=logger, - serverrole=serverrole, - schema=schema, fill=samdb_fill, am_rodc=am_rodc) - - if serverrole == "active directory domain controller": - if paths.netlogon is None: - raise MissingShareError("netlogon", paths.smbconf) - - if paths.sysvol is None: - raise MissingShareError("sysvol", paths.smbconf) - - if not os.path.isdir(paths.netlogon): - os.makedirs(paths.netlogon, 0755) - - if adminpass is None: - adminpass = samba.generate_random_password(12, 32) - adminpass_generated = True - else: - adminpass = unicode(adminpass, 'utf-8') - adminpass_generated = False - - if samdb_fill == FILL_FULL: - provision_fill(samdb, secrets_ldb, logger, names, paths, - schema=schema, targetdir=targetdir, samdb_fill=samdb_fill, - hostip=hostip, hostip6=hostip6, domainsid=domainsid, - next_rid=next_rid, dc_rid=dc_rid, adminpass=adminpass, - krbtgtpass=krbtgtpass, domainguid=domainguid, - policyguid=policyguid, policyguid_dc=policyguid_dc, - invocationid=invocationid, machinepass=machinepass, - ntdsguid=ntdsguid, dns_backend=dns_backend, - dnspass=dnspass, serverrole=serverrole, - dom_for_fun_level=dom_for_fun_level, am_rodc=am_rodc, - lp=lp, use_ntvfs=use_ntvfs, - skip_sysvolacl=skip_sysvolacl) - - create_krb5_conf(paths.krb5conf, - 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 == "active directory domain controller": - create_dns_update_list(lp, logger, paths) - - backend_result = provision_backend.post_setup() - provision_backend.shutdown() - - 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) - - result = ProvisionResult() - result.server_role = serverrole - result.domaindn = domaindn - result.paths = paths - result.names = names - result.lp = lp - result.samdb = samdb - result.idmap = idmap - result.domainsid = str(domainsid) - - if samdb_fill == FILL_FULL: - result.adminpass_generated = adminpass_generated - result.adminpass = adminpass - else: - result.adminpass_generated = False - result.adminpass = None - - result.backend_result = backend_result - - if use_rfc2307: - provision_fake_ypserver(logger=logger, samdb=samdb, - domaindn=names.domaindn, netbiosname=names.netbiosname, - nisdomain=names.domain.lower(), maxuid=maxuid, maxgid=maxgid) - - return result - - -def provision_become_dc(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, - dns_backend=None, root=None, nobody=None, users=None, - backup=None, serverrole=None, ldap_backend=None, - ldap_backend_type=None, sitename=None, debuglevel=1, use_ntvfs=False): - - logger = logging.getLogger("provision") - samba.set_debug_level(debuglevel) - - res = provision(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=None, domainsid=domainsid, - machinepass=machinepass, - serverrole="active directory domain controller", - sitename=sitename, dns_backend=dns_backend, dnspass=dnspass, - use_ntvfs=use_ntvfs) - res.lp.set("debuglevel", str(debuglevel)) - return res - - -def create_krb5_conf(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 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) - - -class MissingShareError(ProvisioningError): - - def __init__(self, name, smbconf): - super(MissingShareError, self).__init__( - "Existing smb.conf does not have a [%s] share, but you are " - "configuring a DC. Please remove %s or add the share manually." % - (name, smbconf)) |