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Diffstat (limited to 'source4/scripting/python/samba/provision/__init__.py')
| -rw-r--r-- | source4/scripting/python/samba/provision/__init__.py | 1960 |
1 files changed, 1960 insertions, 0 deletions
diff --git a/source4/scripting/python/samba/provision/__init__.py b/source4/scripting/python/samba/provision/__init__.py new file mode 100644 index 0000000000..1fed220507 --- /dev/null +++ b/source4/scripting/python/samba/provision/__init__.py @@ -0,0 +1,1960 @@ + +# Unix SMB/CIFS implementation. +# backend code for provisioning a Samba4 server + +# Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2010 +# Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008-2009 +# Copyright (C) Oliver Liebel <oliver@itc.li> 2008-2009 +# +# Based on the original in EJS: +# Copyright (C) Andrew Tridgell <tridge@samba.org> 2005 +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# + +"""Functions for setting up a Samba configuration.""" + +__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 shutil + +import ldb + +from samba.auth import system_session, admin_session +import samba +from samba import ( + Ldb, + check_all_substituted, + in_source_tree, + read_and_sub_file, + setup_file, + substitute_var, + valid_netbios_name, + version, + ) +from samba.dsdb import ( + DS_DOMAIN_FUNCTION_2003, + DS_DOMAIN_FUNCTION_2008_R2, + ENC_ALL_TYPES, + ) +from samba.dcerpc import security +from samba.dcerpc.misc import SEC_CHAN_BDC, SEC_CHAN_WKSTA +from samba.idmap import IDmapDB +from samba.ms_display_specifiers import read_ms_ldif +from samba.ntacls import setntacl, dsacl2fsacl +from samba.ndr import ndr_pack,ndr_unpack +from samba.provision.backend import ( + ExistingBackend, + FDSBackend, + LDBBackend, + OpenLDAPBackend, + ) +import samba.param +import samba.registry +from samba.schema import Schema +from samba.samdb import SamDB + +VALID_NETBIOS_CHARS = " !#$%&'()-.@^_{}~" +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" + + +def find_setup_dir(): + """Find the setup directory used by provision.""" + if in_source_tree(): + # In source tree + dirname = os.path.dirname(__file__) + return os.path.normpath(os.path.join(dirname, "../../../setup")) + else: + import sys + for prefix in [sys.prefix, + os.path.join(os.path.dirname(__file__), "../../../..")]: + for suffix in ["share/setup", "share/samba/setup", "setup"]: + ret = os.path.normpath(os.path.join(prefix, suffix)) + if os.path.isdir(ret): + return ret + raise Exception("Unable to find setup directory.") + +# Descriptors of naming contexts and other important objects + +# "get_schema_descriptor" is located in "schema.py" + +def get_sites_descriptor(domain_sid): + sddl = "O:EAG:EAD:AI(A;;RPLCLORC;;;AU)" \ + "(A;;RPWPCRCCLCLORCWOWDSW;;;EA)" \ + "(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;SY)" \ + "(A;CIID;RPWPCRCCDCLCLORCWOWDSDDTSW;;;EA)" \ + "(A;CIID;RPWPCRCCLCLORCWOWDSDSW;;;DA)" \ + "S:AI(AU;CISA;CCDCSDDT;;;WD)" \ + "(OU;CIIOSA;CR;;f0f8ffab-1191-11d0-a060-00aa006c33ed;WD)" \ + "(OU;CIIOSA;WP;f30e3bbe-9ff0-11d1-b603-0000f80367c1;bf967ab3-0de6-11d0-a285-00aa003049e2;WD)" \ + "(OU;CIIOSA;WP;f30e3bbf-9ff0-11d1-b603-0000f80367c1;bf967ab3-0de6-11d0-a285-00aa003049e2;WD)" \ + "(OU;CIIOSA;WP;3e10944c-c354-11d0-aff8-0000f80367c1;b7b13124-b82e-11d0-afee-0000f80367c1;WD)" + sec = security.descriptor.from_sddl(sddl, domain_sid) + return ndr_pack(sec) + + +def get_config_descriptor(domain_sid): + sddl = "O:EAG:EAD:(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \ + "(OA;;CR;1131f6ab-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \ + "(OA;;CR;1131f6ac-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \ + "(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \ + "(OA;;CR;1131f6ab-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \ + "(OA;;CR;1131f6ac-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \ + "(A;;RPLCLORC;;;AU)(A;CI;RPWPCRCCDCLCLORCWOWDSDDTSW;;;EA)" \ + "(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;SY)(A;CIIO;RPWPCRCCLCLORCWOWDSDSW;;;DA)" \ + "(OA;;CR;1131f6ad-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \ + "(OA;;CR;89e95b76-444d-4c62-991a-0facbeda640c;;ED)" \ + "(OA;;CR;1131f6ad-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \ + "(OA;;CR;89e95b76-444d-4c62-991a-0facbeda640c;;BA)" \ + "(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;ER)" \ + "S:(AU;SA;WPWOWD;;;WD)(AU;SA;CR;;;BA)(AU;SA;CR;;;DU)" \ + "(OU;SA;CR;45ec5156-db7e-47bb-b53f-dbeb2d03c40f;;WD)" + sec = security.descriptor.from_sddl(sddl, domain_sid) + return ndr_pack(sec) + + +def get_domain_descriptor(domain_sid): + sddl= "O:BAG:BAD:AI(OA;CIIO;RP;4c164200-20c0-11d0-a768-00aa006e0529;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \ + "(OA;CIIO;RP;4c164200-20c0-11d0-a768-00aa006e0529;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \ + "(OA;CIIO;RP;5f202010-79a5-11d0-9020-00c04fc2d4cf;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \ + "(OA;CIIO;RP;5f202010-79a5-11d0-9020-00c04fc2d4cf;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \ + "(OA;CIIO;RP;bc0ac240-79a9-11d0-9020-00c04fc2d4cf;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \ + "(OA;CIIO;RP;bc0ac240-79a9-11d0-9020-00c04fc2d4cf;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \ + "(OA;CIIO;RP;59ba2f42-79a2-11d0-9020-00c04fc2d3cf;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \ + "(OA;CIIO;RP;59ba2f42-79a2-11d0-9020-00c04fc2d3cf;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \ + "(OA;CIIO;RP;037088f8-0ae1-11d2-b422-00a0c968f939;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \ + "(OA;CIIO;RP;037088f8-0ae1-11d2-b422-00a0c968f939;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \ + "(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;ER)" \ + "(OA;;CR;1131f6ad-9c07-11d1-f79f-00c04fc2dcd2;;DD)" \ + "(OA;CIIO;RP;b7c69e6d-2cc7-11d2-854e-00a0c983f608;bf967a86-0de6-11d0-a285-00aa003049e2;ED)" \ + "(OA;CIIO;RP;b7c69e6d-2cc7-11d2-854e-00a0c983f608;bf967a9c-0de6-11d0-a285-00aa003049e2;ED)" \ + "(OA;CIIO;RP;b7c69e6d-2cc7-11d2-854e-00a0c983f608;bf967aba-0de6-11d0-a285-00aa003049e2;ED)" \ + "(OA;;CR;89e95b76-444d-4c62-991a-0facbeda640c;;BA)" \ + "(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \ + "(OA;;CR;1131f6ab-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \ + "(OA;;CR;1131f6ac-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \ + "(OA;;CR;1131f6ad-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \ + "(OA;;CR;1131f6ae-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \ + "(OA;;CR;e2a36dc9-ae17-47c3-b58b-be34c55ba633;;IF)" \ + "(OA;;RP;c7407360-20bf-11d0-a768-00aa006e0529;;RU)" \ + "(OA;;RP;b8119fd0-04f6-4762-ab7a-4986c76b3f9a;;RU)" \ + "(OA;CIIO;RPLCLORC;;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \ + "(OA;CIIO;RPLCLORC;;bf967a9c-0de6-11d0-a285-00aa003049e2;RU)" \ + "(OA;CIIO;RPLCLORC;;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \ + "(OA;;CR;05c74c5e-4deb-43b4-bd9f-86664c2a7fd5;;AU)" \ + "(OA;;CR;89e95b76-444d-4c62-991a-0facbeda640c;;ED)" \ + "(OA;;CR;ccc2dc7d-a6ad-4a7a-8846-c04e3cc53501;;AU)" \ + "(OA;;CR;280f369c-67c7-438e-ae98-1d46f3c6f541;;AU)" \ + "(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \ + "(OA;;CR;1131f6ab-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \ + "(OA;;CR;1131f6ac-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \ + "(OA;;CR;1131f6ae-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \ + "(OA;;RP;b8119fd0-04f6-4762-ab7a-4986c76b3f9a;;AU)" \ + "(OA;CIIO;RPWPCR;91e647de-d96f-4b70-9557-d63ff4f3ccd8;;PS)" \ + "(A;;RPWPCRCCLCLORCWOWDSW;;;DA)" \ + "(A;CI;RPWPCRCCDCLCLORCWOWDSDDTSW;;;EA)" \ + "(A;;RPRC;;;RU)" \ + "(A;CI;LC;;;RU)" \ + "(A;CI;RPWPCRCCLCLORCWOWDSDSW;;;BA)" \ + "(A;;RP;;;WD)" \ + "(A;;RPLCLORC;;;ED)" \ + "(A;;RPLCLORC;;;AU)" \ + "(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;SY)" \ + "S:AI(OU;CISA;WP;f30e3bbe-9ff0-11d1-b603-0000f80367c1;bf967aa5-0de6-11d0-a285-00aa003049e2;WD)" \ + "(OU;CISA;WP;f30e3bbf-9ff0-11d1-b603-0000f80367c1;bf967aa5-0de6-11d0-a285-00aa003049e2;WD)" \ + "(AU;SA;CR;;;DU)(AU;SA;CR;;;BA)(AU;SA;WPWOWD;;;WD)" + sec = security.descriptor.from_sddl(sddl, domain_sid) + return ndr_pack(sec) + + +class ProvisionPaths(object): + + def __init__(self): + self.shareconf = None + self.hklm = None + self.hkcu = None + self.hkcr = None + self.hku = None + self.hkpd = None + self.hkpt = None + self.samdb = None + self.idmapdb = None + self.secrets = None + self.keytab = None + self.dns_keytab = None + self.dns = None + self.winsdb = None + self.private_dir = None + + +class ProvisionNames(object): + + def __init__(self): + self.rootdn = None + self.domaindn = None + self.configdn = None + self.schemadn = None + self.ldapmanagerdn = None + self.dnsdomain = None + self.realm = None + self.netbiosname = None + self.domain = None + self.hostname = None + self.sitename = None + self.smbconf = None + + +def update_provision_usn(samdb, low, high, replace=False): + """Update the field provisionUSN in sam.ldb + + This field is used to track range of USN modified by provision and + upgradeprovision. + This value is used afterward by next provision to figure out if + the field have been modified since last provision. + + :param samdb: An LDB object connect to sam.ldb + :param low: The lowest USN modified by this upgrade + :param high: The highest USN modified by this upgrade + :param replace: A boolean indicating if the range should replace any + existing one or appended (default) + """ + + tab = [] + if not replace: + entry = samdb.search(expression="(&(dn=@PROVISION)(%s=*))" % + LAST_PROVISION_USN_ATTRIBUTE, base="", + scope=ldb.SCOPE_SUBTREE, + attrs=[LAST_PROVISION_USN_ATTRIBUTE, "dn"]) + for e in entry[0][LAST_PROVISION_USN_ATTRIBUTE]: + tab.append(str(e)) + + tab.append("%s-%s" % (low, high)) + delta = ldb.Message() + delta.dn = ldb.Dn(samdb, "@PROVISION") + delta[LAST_PROVISION_USN_ATTRIBUTE] = ldb.MessageElement(tab, + ldb.FLAG_MOD_REPLACE, LAST_PROVISION_USN_ATTRIBUTE) + samdb.modify(delta) + + +def set_provision_usn(samdb, low, high): + """Set the field provisionUSN in sam.ldb + This field is used to track range of USN modified by provision and + upgradeprovision. + This value is used afterward by next provision to figure out if + the field have been modified since last provision. + + :param samdb: An LDB object connect to sam.ldb + :param low: The lowest USN modified by this upgrade + :param high: The highest USN modified by this upgrade""" + tab = [] + tab.append("%s-%s" % (low, high)) + delta = ldb.Message() + delta.dn = ldb.Dn(samdb, "@PROVISION") + delta[LAST_PROVISION_USN_ATTRIBUTE] = ldb.MessageElement(tab, + ldb.FLAG_MOD_ADD, LAST_PROVISION_USN_ATTRIBUTE) + samdb.add(delta) + + +def get_max_usn(samdb,basedn): + """ This function return the biggest USN present in the provision + + :param samdb: A LDB object pointing to the sam.ldb + :param basedn: A string containing the base DN of the provision + (ie. DC=foo, DC=bar) + :return: The biggest USN in the provision""" + + res = samdb.search(expression="objectClass=*",base=basedn, + scope=ldb.SCOPE_SUBTREE,attrs=["uSNChanged"], + controls=["search_options:1:2", + "server_sort:1:1:uSNChanged", + "paged_results:1:1"]) + return res[0]["uSNChanged"] + + +def get_last_provision_usn(sam): + """Get the lastest USN modified by a provision or an upgradeprovision + + :param sam: An LDB object pointing to the sam.ldb + :return: an integer corresponding to the highest USN modified by + (upgrade)provision, 0 is this value is unknown + """ + entry = sam.search(expression="(&(dn=@PROVISION)(%s=*))" % + LAST_PROVISION_USN_ATTRIBUTE, + base="", scope=ldb.SCOPE_SUBTREE, + attrs=[LAST_PROVISION_USN_ATTRIBUTE]) + if len(entry): + range = [] + idx = 0 + p = re.compile(r'-') + for r in entry[0][LAST_PROVISION_USN_ATTRIBUTE]: + tab = p.split(str(r)) + range.append(tab[0]) + range.append(tab[1]) + idx = idx + 1 + return range + else: + return None + + +class ProvisionResult(object): + + def __init__(self): + self.paths = None + self.domaindn = None + self.lp = None + self.samdb = None + + +def check_install(lp, session_info, credentials): + """Check whether the current install seems ok. + + :param lp: Loadparm context + :param session_info: Session information + :param credentials: Credentials + """ + if lp.get("realm") == "": + raise Exception("Realm empty") + samdb = Ldb(lp.get("sam database"), session_info=session_info, + credentials=credentials, lp=lp) + if len(samdb.search("(cn=Administrator)")) != 1: + raise ProvisioningError("No administrator account found") + + +def findnss(nssfn, names): + """Find a user or group from a list of possibilities. + + :param nssfn: NSS Function to try (should raise KeyError if not found) + :param names: Names to check. + :return: Value return by first names list. + """ + for name in names: + try: + return nssfn(name) + except KeyError: + pass + raise KeyError("Unable to find user/group in %r" % names) + + +findnss_uid = lambda names: findnss(pwd.getpwnam, names)[2] +findnss_gid = lambda names: findnss(grp.getgrnam, names)[2] + + +def setup_add_ldif(ldb, ldif_path, subst_vars=None,controls=["relax:0"]): + """Setup a ldb in the private dir. + + :param ldb: LDB file to import data into + :param ldif_path: Path of the LDIF file to load + :param subst_vars: Optional variables to subsitute in LDIF. + :param nocontrols: Optional list of controls, can be None for no controls + """ + assert isinstance(ldif_path, str) + data = read_and_sub_file(ldif_path, subst_vars) + ldb.add_ldif(data, controls) + + +def setup_modify_ldif(ldb, ldif_path, subst_vars=None,controls=["relax:0"]): + """Modify a ldb in the private dir. + + :param ldb: LDB object. + :param ldif_path: LDIF file path. + :param subst_vars: Optional dictionary with substitution variables. + """ + data = read_and_sub_file(ldif_path, subst_vars) + ldb.modify_ldif(data, controls) + + +def setup_ldb(ldb, ldif_path, subst_vars): + """Import a LDIF a file into a LDB handle, optionally substituting + variables. + + :note: Either all LDIF data will be added or none (using transactions). + + :param ldb: LDB file to import into. + :param ldif_path: Path to the LDIF file. + :param subst_vars: Dictionary with substitution variables. + """ + assert ldb is not None + ldb.transaction_start() + try: + setup_add_ldif(ldb, ldif_path, subst_vars) + except: + ldb.transaction_cancel() + raise + else: + ldb.transaction_commit() + + +def provision_paths_from_lp(lp, dnsdomain): + """Set the default paths for provisioning. + + :param lp: Loadparm context. + :param dnsdomain: DNS Domain name + """ + paths = ProvisionPaths() + paths.private_dir = lp.get("private dir") + + # This is stored without path prefix for the "privateKeytab" attribute in + # "secrets_dns.ldif". + paths.dns_keytab = "dns.keytab" + paths.keytab = "secrets.keytab" + + paths.shareconf = os.path.join(paths.private_dir, "share.ldb") + paths.samdb = os.path.join(paths.private_dir, + lp.get("sam database") or "samdb.ldb") + paths.idmapdb = os.path.join(paths.private_dir, + lp.get("idmap database") or "idmap.ldb") + paths.secrets = os.path.join(paths.private_dir, + lp.get("secrets database") or "secrets.ldb") + paths.privilege = os.path.join(paths.private_dir, "privilege.ldb") + paths.dns = os.path.join(paths.private_dir, "dns", dnsdomain + ".zone") + paths.dns_update_list = os.path.join(paths.private_dir, "dns_update_list") + paths.spn_update_list = os.path.join(paths.private_dir, "spn_update_list") + paths.namedconf = os.path.join(paths.private_dir, "named.conf") + paths.namedconf_update = os.path.join(paths.private_dir, "named.conf.update") + paths.namedtxt = os.path.join(paths.private_dir, "named.txt") + paths.krb5conf = os.path.join(paths.private_dir, "krb5.conf") + paths.winsdb = os.path.join(paths.private_dir, "wins.ldb") + paths.s4_ldapi_path = os.path.join(paths.private_dir, "ldapi") + paths.phpldapadminconfig = os.path.join(paths.private_dir, + "phpldapadmin-config.php") + paths.hklm = "hklm.ldb" + paths.hkcr = "hkcr.ldb" + paths.hkcu = "hkcu.ldb" + paths.hku = "hku.ldb" + paths.hkpd = "hkpd.ldb" + paths.hkpt = "hkpt.ldb" + paths.sysvol = lp.get("path", "sysvol") + paths.netlogon = lp.get("path", "netlogon") + paths.smbconf = lp.configfile + return paths + + +def guess_names(lp=None, hostname=None, domain=None, dnsdomain=None, + serverrole=None, rootdn=None, domaindn=None, configdn=None, + schemadn=None, serverdn=None, sitename=None): + """Guess configuration settings to use.""" + + if hostname is None: + hostname = socket.gethostname().split(".")[0] + + netbiosname = lp.get("netbios name") + if netbiosname is None: + netbiosname = hostname + # remove forbidden chars + newnbname = "" + for x in netbiosname: + if x.isalnum() or x in VALID_NETBIOS_CHARS: + newnbname = "%s%c" % (newnbname, x) + #force the length to be <16 + netbiosname = newnbname[0:15] + assert netbiosname is not None + netbiosname = netbiosname.upper() + if not valid_netbios_name(netbiosname): + raise InvalidNetbiosName(netbiosname) + + if dnsdomain is None: + dnsdomain = lp.get("realm") + if dnsdomain is None or dnsdomain == "": + raise ProvisioningError("guess_names: 'realm' not specified in supplied %s!", lp.configfile) + + dnsdomain = dnsdomain.lower() + + if serverrole is None: + serverrole = lp.get("server role") + if serverrole is None: + raise ProvisioningError("guess_names: 'server role' not specified in supplied %s!" % lp.configfile) + + serverrole = serverrole.lower() + + realm = dnsdomain.upper() + + if lp.get("realm") == "": + raise ProvisioningError("guess_names: 'realm =' was not specified in supplied %s. Please remove the smb.conf file and let provision generate it" % lp.configfile) + + if lp.get("realm").upper() != realm: + raise ProvisioningError("guess_names: 'realm=%s' in %s must match chosen realm '%s'! Please remove the smb.conf file and let provision generate it" % (lp.get("realm").upper(), realm, lp.configfile)) + + if lp.get("server role").lower() != serverrole: + raise ProvisioningError("guess_names: 'server role=%s' in %s must match chosen server role '%s'! Please remove the smb.conf file and let provision generate it" % (lp.get("server role").upper(), serverrole, lp.configfile)) + + if serverrole == "domain controller": + if domain is None: + # This will, for better or worse, default to 'WORKGROUP' + domain = lp.get("workgroup") + domain = domain.upper() + + if lp.get("workgroup").upper() != domain: + raise ProvisioningError("guess_names: Workgroup '%s' in smb.conf must match chosen domain '%s'! Please remove the %s file and let provision generate it" % (lp.get("workgroup").upper(), domain, lp.configfile)) + + if domaindn is None: + domaindn = "DC=" + dnsdomain.replace(".", ",DC=") + else: + domain = netbiosname + if domaindn is None: + domaindn = "DC=" + netbiosname + + if not valid_netbios_name(domain): + raise InvalidNetbiosName(domain) + + if hostname.upper() == realm: + raise ProvisioningError("guess_names: Realm '%s' must not be equal to hostname '%s'!" % (realm, hostname)) + if netbiosname == realm: + raise ProvisioningError("guess_names: Realm '%s' must not be equal to netbios hostname '%s'!" % (realm, netbiosname)) + if domain == realm: + raise ProvisioningError("guess_names: Realm '%s' must not be equal to short domain name '%s'!" % (realm, domain)) + + if rootdn is None: + rootdn = domaindn + + if configdn is None: + configdn = "CN=Configuration," + rootdn + if schemadn is None: + schemadn = "CN=Schema," + configdn + + if sitename is None: + sitename=DEFAULTSITE + + names = ProvisionNames() + names.rootdn = rootdn + names.domaindn = domaindn + names.configdn = configdn + names.schemadn = schemadn + names.ldapmanagerdn = "CN=Manager," + rootdn + names.dnsdomain = dnsdomain + names.domain = domain + names.realm = realm + names.netbiosname = netbiosname + names.hostname = hostname + names.sitename = sitename + names.serverdn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % ( + netbiosname, sitename, configdn) + + return names + + +def make_smbconf(smbconf, setup_path, hostname, domain, realm, serverrole, + targetdir, sid_generator="internal", eadb=False, lp=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 = hostname.upper() + # remove forbidden chars + newnbname = "" + for x in netbiosname: + if x.isalnum() or x in VALID_NETBIOS_CHARS: + newnbname = "%s%c" % (newnbname, x) + #force the length to be <16 + netbiosname = newnbname[0:15] + else: + netbiosname = hostname.upper() + + if serverrole is None: + serverrole = "standalone" + + assert serverrole in ("domain controller", "member server", "standalone") + if serverrole == "domain controller": + smbconfsuffix = "dc" + elif serverrole == "member server": + smbconfsuffix = "member" + elif serverrole == "standalone": + smbconfsuffix = "standalone" + + if sid_generator is None: + sid_generator = "internal" + + assert domain is not None + domain = domain.upper() + + assert realm is not None + realm = realm.upper() + + if lp is None: + lp = samba.param.LoadParm() + #Load non-existant file + if os.path.exists(smbconf): + lp.load(smbconf) + if eadb 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"))) + + 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) + + lp.set("lock dir", os.path.abspath(targetdir)) + else: + privatedir_line = "" + lockdir_line = "" + + if sid_generator == "internal": + sid_generator_line = "" + else: + sid_generator_line = "sid generator = " + sid_generator + + used_setup_dir = setup_path("") + default_setup_dir = lp.get("setup directory") + setupdir_line = "" + if used_setup_dir != default_setup_dir: + setupdir_line = "setup directory = %s" % used_setup_dir + lp.set("setup directory", used_setup_dir) + + sysvol = os.path.join(lp.get("lock dir"), "sysvol") + netlogon = os.path.join(sysvol, realm.lower(), "scripts") + + setup_file(setup_path("provision.smb.conf.%s" % smbconfsuffix), + smbconf, { + "NETBIOS_NAME": netbiosname, + "DOMAIN": domain, + "REALM": realm, + "SERVERROLE": serverrole, + "NETLOGONPATH": netlogon, + "SYSVOLPATH": sysvol, + "SETUPDIRECTORY_LINE": setupdir_line, + "SIDGENERATOR_LINE": sid_generator_line, + "PRIVATEDIR_LINE": privatedir_line, + "LOCKDIR_LINE": lockdir_line + }) + + # 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') + lp.dump(f, False) + f.close() + + + +def setup_name_mappings(samdb, idmap, sid, domaindn, root_uid, nobody_uid, + users_gid, wheel_gid): + """setup reasonable name mappings for sam names to unix names. + + :param samdb: SamDB object. + :param idmap: IDmap db object. + :param sid: The domain sid. + :param domaindn: The domain DN. + :param root_uid: uid of the UNIX root user. + :param nobody_uid: uid of the UNIX nobody user. + :param users_gid: gid of the UNIX users group. + :param wheel_gid: gid of the UNIX wheel group. + """ + idmap.setup_name_mapping("S-1-5-7", idmap.TYPE_UID, nobody_uid) + idmap.setup_name_mapping("S-1-5-32-544", idmap.TYPE_GID, wheel_gid) + + idmap.setup_name_mapping(sid + "-500", idmap.TYPE_UID, root_uid) + idmap.setup_name_mapping(sid + "-513", idmap.TYPE_GID, users_gid) + + +def setup_samdb_partitions(samdb_path, setup_path, logger, lp, session_info, + provision_backend, names, schema, serverrole, + erase=False): + """Setup the partitions for the SAM database. + + Alternatively, provision() may call this, and then populate the database. + + :note: This will wipe the Sam Database! + + :note: This function always removes the local SAM LDB file. The erase + parameter controls whether to erase the existing data, which + may not be stored locally but in LDAP. + + """ + assert session_info is not None + + # We use options=["modules:"] to stop the modules loading - we + # just want to wipe and re-initialise the database, not start it up + + try: + os.unlink(samdb_path) + except OSError: + pass + + samdb = Ldb(url=samdb_path, session_info=session_info, + lp=lp, options=["modules:"]) + + ldap_backend_line = "# No LDAP backend" + if provision_backend.type is not "ldb": + ldap_backend_line = "ldapBackend: %s" % provision_backend.ldap_uri + + samdb.transaction_start() + try: + logger.info("Setting up sam.ldb partitions and settings") + setup_add_ldif(samdb, setup_path("provision_partitions.ldif"), { + "SCHEMADN": ldb.Dn(schema.ldb, names.schemadn).get_casefold(), + "CONFIGDN": ldb.Dn(schema.ldb, names.configdn).get_casefold(), + "DOMAINDN": ldb.Dn(schema.ldb, names.domaindn).get_casefold(), + "LDAP_BACKEND_LINE": ldap_backend_line, + }) + + + setup_add_ldif(samdb, setup_path("provision_init.ldif"), { + "BACKEND_TYPE": provision_backend.type, + "SERVER_ROLE": serverrole + }) + + logger.info("Setting up sam.ldb rootDSE") + setup_samdb_rootdse(samdb, setup_path, names) + except: + samdb.transaction_cancel() + raise + else: + samdb.transaction_commit() + + +def secretsdb_self_join(secretsdb, domain, + netbiosname, machinepass, domainsid=None, + realm=None, dnsdomain=None, + keytab_path=None, + key_version_number=1, + secure_channel_type=SEC_CHAN_WKSTA): + """Add domain join-specific bits to a secrets database. + + :param secretsdb: Ldb Handle to the secrets database + :param machinepass: Machine password + """ + attrs = ["whenChanged", + "secret", + "priorSecret", + "priorChanged", + "krb5Keytab", + "privateKeytab"] + + if realm is not None: + if dnsdomain is None: + dnsdomain = realm.lower() + dnsname = '%s.%s' % (netbiosname.lower(), dnsdomain.lower()) + else: + dnsname = None + shortname = netbiosname.lower() + + # We don't need to set msg["flatname"] here, because rdn_name will handle + # it, and it causes problems for modifies anyway + msg = ldb.Message(ldb.Dn(secretsdb, "flatname=%s,cn=Primary Domains" % domain)) + msg["secureChannelType"] = [str(secure_channel_type)] + msg["objectClass"] = ["top", "primaryDomain"] + if dnsname is not None: + msg["objectClass"] = ["top", "primaryDomain", "kerberosSecret"] + msg["realm"] = [realm] + msg["saltPrincipal"] = ["host/%s@%s" % (dnsname, realm.upper())] + msg["msDS-KeyVersionNumber"] = [str(key_version_number)] + msg["privateKeytab"] = ["secrets.keytab"] + + msg["secret"] = [machinepass] + msg["samAccountName"] = ["%s$" % netbiosname] + msg["secureChannelType"] = [str(secure_channel_type)] + if domainsid is not None: + msg["objectSid"] = [ndr_pack(domainsid)] + + # This complex expression tries to ensure that we don't have more + # than one record for this SID, realm or netbios domain at a time, + # but we don't delete the old record that we are about to modify, + # because that would delete the keytab and previous password. + res = secretsdb.search(base="cn=Primary Domains", + attrs=attrs, + expression=("(&(|(flatname=%s)(realm=%s)(objectSid=%s))(objectclass=primaryDomain)(!(dn=%s)))" % (domain, realm, str(domainsid), str(msg.dn))), + scope=ldb.SCOPE_ONELEVEL) + + for del_msg in res: + secretsdb.delete(del_msg.dn) + + res = secretsdb.search(base=msg.dn, attrs=attrs, scope=ldb.SCOPE_BASE) + + if len(res) == 1: + msg["priorSecret"] = [res[0]["secret"][0]] + msg["priorWhenChanged"] = [res[0]["whenChanged"][0]] + + try: + msg["privateKeytab"] = [res[0]["privateKeytab"][0]] + except KeyError: + pass + + try: + msg["krb5Keytab"] = [res[0]["krb5Keytab"][0]] + except KeyError: + pass + + for el in msg: + if el != 'dn': + msg[el].set_flags(ldb.FLAG_MOD_REPLACE) + secretsdb.modify(msg) + secretsdb.rename(res[0].dn, msg.dn) + else: + spn = [ 'HOST/%s' % shortname ] + if secure_channel_type == SEC_CHAN_BDC and dnsname is not None: + # we are a domain controller then we add servicePrincipalName + # entries for the keytab code to update. + spn.extend([ 'HOST/%s' % dnsname ]) + msg["servicePrincipalName"] = spn + + secretsdb.add(msg) + + +def secretsdb_setup_dns(secretsdb, setup_path, names, private_dir, realm, + dnsdomain, dns_keytab_path, dnspass): + """Add DNS specific bits to a secrets database. + + :param secretsdb: Ldb Handle to the secrets database + :param setup_path: Setup path function + :param machinepass: Machine password + """ + try: + os.unlink(os.path.join(private_dir, dns_keytab_path)) + except OSError: + pass + + setup_ldb(secretsdb, setup_path("secrets_dns.ldif"), { + "REALM": realm, + "DNSDOMAIN": dnsdomain, + "DNS_KEYTAB": dns_keytab_path, + "DNSPASS_B64": b64encode(dnspass), + "HOSTNAME": names.hostname, + "DNSNAME" : '%s.%s' % ( + names.netbiosname.lower(), names.dnsdomain.lower()) + }) + + +def setup_secretsdb(paths, setup_path, session_info, backend_credentials, lp): + """Setup the secrets database. + + :note: This function does not handle exceptions and transaction on purpose, + it's up to the caller to do this job. + + :param path: Path to the secrets database. + :param setup_path: Get the path to a setup file. + :param session_info: Session info. + :param credentials: Credentials + :param lp: Loadparm context + :return: LDB handle for the created secrets database + """ + if os.path.exists(paths.secrets): + os.unlink(paths.secrets) + + keytab_path = os.path.join(paths.private_dir, paths.keytab) + if os.path.exists(keytab_path): + os.unlink(keytab_path) + + dns_keytab_path = os.path.join(paths.private_dir, paths.dns_keytab) + if os.path.exists(dns_keytab_path): + os.unlink(dns_keytab_path) + + path = paths.secrets + + secrets_ldb = Ldb(path, session_info=session_info, + lp=lp) + secrets_ldb.erase() + secrets_ldb.load_ldif_file_add(setup_path("secrets_init.ldif")) + secrets_ldb = Ldb(path, session_info=session_info, + lp=lp) + secrets_ldb.transaction_start() + try: + secrets_ldb.load_ldif_file_add(setup_path("secrets.ldif")) + + if (backend_credentials is not None and + backend_credentials.authentication_requested()): + if backend_credentials.get_bind_dn() is not None: + setup_add_ldif(secrets_ldb, + setup_path("secrets_simple_ldap.ldif"), { + "LDAPMANAGERDN": backend_credentials.get_bind_dn(), + "LDAPMANAGERPASS_B64": b64encode(backend_credentials.get_password()) + }) + else: + setup_add_ldif(secrets_ldb, + setup_path("secrets_sasl_ldap.ldif"), { + "LDAPADMINUSER": backend_credentials.get_username(), + "LDAPADMINREALM": backend_credentials.get_realm(), + "LDAPADMINPASS_B64": b64encode(backend_credentials.get_password()) + }) + + return secrets_ldb + except: + secrets_ldb.transaction_cancel() + raise + + +def setup_privileges(path, setup_path, session_info, lp): + """Setup the privileges database. + + :param path: Path to the privileges database. + :param setup_path: Get the path to a setup file. + :param session_info: Session info. + :param credentials: Credentials + :param lp: Loadparm context + :return: LDB handle for the created secrets database + """ + if os.path.exists(path): + os.unlink(path) + privilege_ldb = Ldb(path, session_info=session_info, lp=lp) + privilege_ldb.erase() + privilege_ldb.load_ldif_file_add(setup_path("provision_privilege.ldif")) + + +def setup_registry(path, setup_path, session_info, lp): + """Setup the registry. + + :param path: Path to the registry database + :param setup_path: Function that returns the path to a setup. + :param session_info: Session information + :param credentials: Credentials + :param lp: Loadparm context + """ + reg = samba.registry.Registry() + hive = samba.registry.open_ldb(path, session_info=session_info, + lp_ctx=lp) + reg.mount_hive(hive, samba.registry.HKEY_LOCAL_MACHINE) + provision_reg = setup_path("provision.reg") + assert os.path.exists(provision_reg) + reg.diff_apply(provision_reg) + + +def setup_idmapdb(path, setup_path, session_info, lp): + """Setup the idmap database. + + :param path: path to the idmap database + :param setup_path: Function that returns a path to a setup file + :param session_info: Session information + :param credentials: Credentials + :param lp: Loadparm context + """ + if os.path.exists(path): + os.unlink(path) + + idmap_ldb = IDmapDB(path, session_info=session_info, lp=lp) + idmap_ldb.erase() + idmap_ldb.load_ldif_file_add(setup_path("idmap_init.ldif")) + return idmap_ldb + + +def setup_samdb_rootdse(samdb, setup_path, names): + """Setup the SamDB rootdse. + + :param samdb: Sam Database handle + :param setup_path: Obtain setup path + """ + setup_add_ldif(samdb, setup_path("provision_rootdse_add.ldif"), { + "SCHEMADN": names.schemadn, + "DOMAINDN": names.domaindn, + "ROOTDN": names.rootdn, + "CONFIGDN": names.configdn, + "SERVERDN": names.serverdn, + }) + + +def setup_self_join(samdb, names, + machinepass, dnspass, + domainsid, next_rid, invocationid, setup_path, + policyguid, policyguid_dc, domainControllerFunctionality, + ntdsguid): + """Join a host to its own domain.""" + assert isinstance(invocationid, str) + if ntdsguid is not None: + ntdsguid_line = "objectGUID: %s\n"%ntdsguid + else: + ntdsguid_line = "" + setup_add_ldif(samdb, setup_path("provision_self_join.ldif"), { + "CONFIGDN": names.configdn, + "SCHEMADN": names.schemadn, + "DOMAINDN": names.domaindn, + "SERVERDN": names.serverdn, + "INVOCATIONID": invocationid, + "NETBIOSNAME": names.netbiosname, + "DNSNAME": "%s.%s" % (names.hostname, names.dnsdomain), + "MACHINEPASS_B64": b64encode(machinepass.encode('utf-16-le')), + "DOMAINSID": str(domainsid), + "DCRID": str(next_rid), + "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, + "DOMAINDN": names.domaindn}) + + # add the NTDSGUID based SPNs + ntds_dn = "CN=NTDS Settings,%s" % names.serverdn + names.ntdsguid = samdb.searchone(basedn=ntds_dn, attribute="objectGUID", + expression="", scope=ldb.SCOPE_BASE) + assert isinstance(names.ntdsguid, str) + + # Setup fSMORoleOwner entries to point at the newly created DC entry + setup_modify_ldif(samdb, setup_path("provision_self_join_modify.ldif"), { + "DOMAINDN": names.domaindn, + "CONFIGDN": names.configdn, + "SCHEMADN": names.schemadn, + "DEFAULTSITE": names.sitename, + "SERVERDN": names.serverdn, + "NETBIOSNAME": names.netbiosname, + "RIDALLOCATIONSTART": str(next_rid + 100), + "RIDALLOCATIONEND": str(next_rid + 100 + 499), + }) + + # This is partially Samba4 specific and should be replaced by the correct + # DNS AD-style setup + setup_add_ldif(samdb, setup_path("provision_dns_add.ldif"), { + "DNSDOMAIN": names.dnsdomain, + "DOMAINDN": names.domaindn, + "DNSPASS_B64": b64encode(dnspass.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) + open(os.path.join(policy_path, "GPT.INI"), 'w').write( + "[General]\r\nVersion=0") + p = os.path.join(policy_path, "MACHINE") + if not os.path.exists(p): + os.makedirs(p, 0775) + p = os.path.join(policy_path, "USER") + if not os.path.exists(p): + os.makedirs(p, 0775) + + +def create_default_gpo(sysvolpath, dnsdomain, policyguid, policyguid_dc): + """Create the default GPO for a domain + + :param sysvolpath: Physical path for the sysvol folder + :param dnsdomain: DNS domain name of the AD domain + :param policyguid: GUID of the default domain policy + :param policyguid_dc: GUID of the default domain controler policy + """ + policy_path = getpolicypath(sysvolpath,dnsdomain,policyguid) + create_gpo_struct(policy_path) + + policy_path = getpolicypath(sysvolpath,dnsdomain,policyguid_dc) + create_gpo_struct(policy_path) + + +def setup_samdb(path, setup_path, session_info, provision_backend, lp, names, + logger, domainsid, domainguid, policyguid, policyguid_dc, fill, + adminpass, krbtgtpass, machinepass, invocationid, dnspass, ntdsguid, + serverrole, am_rodc=False, dom_for_fun_level=None, schema=None, + next_rid=1000): + """Setup a complete SAM Database. + + :note: This will wipe the main SAM database file! + """ + + # Provision does not make much sense values larger than 1000000000 + # as the upper range of the rIDAvailablePool is 1073741823 and + # we don't want to create a domain that cannot allocate rids. + if next_rid < 1000 or next_rid > 1000000000: + error = "You want to run SAMBA 4 with a next_rid of %u, " % (next_rid) + error += "the valid range is %u-%u. The default is %u." % ( + 1000, 1000000000, 1000) + raise ProvisioningError(error) + + # ATTENTION: Do NOT change these default values without discussion with the + # team and/or release manager. They have a big impact on the whole program! + domainControllerFunctionality = DS_DOMAIN_FUNCTION_2008_R2 + + if dom_for_fun_level is None: + dom_for_fun_level = DS_DOMAIN_FUNCTION_2003 + + if dom_for_fun_level > domainControllerFunctionality: + raise ProvisioningError("You want to run SAMBA 4 on a domain and forest function level which itself is higher than its actual DC function level (2008_R2). This won't work!") + + domainFunctionality = dom_for_fun_level + forestFunctionality = dom_for_fun_level + + # Also wipes the database + setup_samdb_partitions(path, setup_path, logger=logger, lp=lp, + provision_backend=provision_backend, session_info=session_info, + names=names, serverrole=serverrole, schema=schema) + + if schema is None: + schema = Schema(setup_path, domainsid, schemadn=names.schemadn) + + # Load the database, but don's load the global schema and don't connect + # quite yet + samdb = SamDB(session_info=session_info, url=None, auto_connect=False, + credentials=provision_backend.credentials, lp=lp, + global_schema=False, am_rodc=am_rodc) + + logger.info("Pre-loading the Samba 4 and AD schema") + + # Load the schema from the one we computed earlier + samdb.set_schema(schema) + + # Set the NTDS settings DN manually - in order to have it already around + # before the provisioned tree exists and we connect + samdb.set_ntds_settings_dn("CN=NTDS Settings,%s" % names.serverdn) + + # And now we can connect to the DB - the schema won't be loaded from the + # DB + samdb.connect(path) + + if fill == FILL_DRS: + return samdb + + samdb.transaction_start() + try: + # Set the domain functionality levels onto the database. + # Various module (the password_hash module in particular) need + # to know what level of AD we are emulating. + + # These will be fixed into the database via the database + # modifictions below, but we need them set from the start. + samdb.set_opaque_integer("domainFunctionality", domainFunctionality) + samdb.set_opaque_integer("forestFunctionality", forestFunctionality) + samdb.set_opaque_integer("domainControllerFunctionality", + domainControllerFunctionality) + + samdb.set_domain_sid(str(domainsid)) + samdb.set_invocation_id(invocationid) + + logger.info("Adding DomainDN: %s" % names.domaindn) + + # impersonate domain admin + admin_session_info = admin_session(lp, str(domainsid)) + samdb.set_session_info(admin_session_info) + if domainguid is not None: + domainguid_line = "objectGUID: %s\n-" % domainguid + else: + domainguid_line = "" + + descr = b64encode(get_domain_descriptor(domainsid)) + setup_add_ldif(samdb, setup_path("provision_basedn.ldif"), { + "DOMAINDN": names.domaindn, + "DOMAINSID": str(domainsid), + "DESCRIPTOR": descr, + "DOMAINGUID": domainguid_line + }) + + setup_modify_ldif(samdb, setup_path("provision_basedn_modify.ldif"), { + "DOMAINDN": names.domaindn, + "CREATTIME": str(int(time.time() * 1e7)), # seconds -> ticks + "NEXTRID": str(next_rid), + "DEFAULTSITE": names.sitename, + "CONFIGDN": names.configdn, + "POLICYGUID": policyguid, + "DOMAIN_FUNCTIONALITY": str(domainFunctionality), + "SAMBA_VERSION_STRING": version + }) + + logger.info("Adding configuration container") + descr = b64encode(get_config_descriptor(domainsid)) + setup_add_ldif(samdb, setup_path("provision_configuration_basedn.ldif"), { + "CONFIGDN": names.configdn, + "DESCRIPTOR": descr, + }) + + # The LDIF here was created when the Schema object was constructed + logger.info("Setting up sam.ldb schema") + samdb.add_ldif(schema.schema_dn_add, controls=["relax:0"]) + samdb.modify_ldif(schema.schema_dn_modify) + samdb.write_prefixes_from_schema() + samdb.add_ldif(schema.schema_data, controls=["relax:0"]) + setup_add_ldif(samdb, setup_path("aggregate_schema.ldif"), + {"SCHEMADN": names.schemadn}) + + logger.info("Reopening sam.ldb with new schema") + except: + samdb.transaction_cancel() + raise + else: + samdb.transaction_commit() + + samdb = SamDB(session_info=admin_session_info, auto_connect=False, + credentials=provision_backend.credentials, lp=lp, + global_schema=False, am_rodc=am_rodc) + + # Set the NTDS settings DN manually - in order to have it already around + # before the provisioned tree exists and we connect + samdb.set_ntds_settings_dn("CN=NTDS Settings,%s" % names.serverdn) + samdb.connect(path) + + samdb.transaction_start() + try: + samdb.invocation_id = invocationid + + logger.info("Setting up sam.ldb configuration data") + descr = b64encode(get_sites_descriptor(domainsid)) + setup_add_ldif(samdb, setup_path("provision_configuration.ldif"), { + "CONFIGDN": names.configdn, + "NETBIOSNAME": names.netbiosname, + "DEFAULTSITE": names.sitename, + "DNSDOMAIN": names.dnsdomain, + "DOMAIN": names.domain, + "SCHEMADN": names.schemadn, + "DOMAINDN": names.domaindn, + "SERVERDN": names.serverdn, + "FOREST_FUNCTIONALITY": str(forestFunctionality), + "DOMAIN_FUNCTIONALITY": str(domainFunctionality), + "SITES_DESCRIPTOR": descr + }) + + logger.info("Setting up display specifiers") + display_specifiers_ldif = read_ms_ldif( + setup_path('display-specifiers/DisplaySpecifiers-Win2k8R2.txt')) + display_specifiers_ldif = substitute_var(display_specifiers_ldif, + {"CONFIGDN": names.configdn}) + check_all_substituted(display_specifiers_ldif) + samdb.add_ldif(display_specifiers_ldif) + + logger.info("Adding users container") + setup_add_ldif(samdb, setup_path("provision_users_add.ldif"), { + "DOMAINDN": names.domaindn}) + logger.info("Modifying users container") + setup_modify_ldif(samdb, setup_path("provision_users_modify.ldif"), { + "DOMAINDN": names.domaindn}) + logger.info("Adding computers container") + setup_add_ldif(samdb, setup_path("provision_computers_add.ldif"), { + "DOMAINDN": names.domaindn}) + logger.info("Modifying computers container") + setup_modify_ldif(samdb, + setup_path("provision_computers_modify.ldif"), { + "DOMAINDN": names.domaindn}) + logger.info("Setting up sam.ldb data") + setup_add_ldif(samdb, setup_path("provision.ldif"), { + "CREATTIME": str(int(time.time() * 1e7)), # seconds -> ticks + "DOMAINDN": names.domaindn, + "NETBIOSNAME": names.netbiosname, + "DEFAULTSITE": names.sitename, + "CONFIGDN": names.configdn, + "SERVERDN": names.serverdn, + "RIDAVAILABLESTART": str(next_rid + 600), + "POLICYGUID_DC": policyguid_dc + }) + + setup_modify_ldif(samdb, + setup_path("provision_basedn_references.ldif"), { + "DOMAINDN": names.domaindn}) + + setup_modify_ldif(samdb, + setup_path("provision_configuration_references.ldif"), { + "CONFIGDN": names.configdn, + "SCHEMADN": names.schemadn}) + if fill == FILL_FULL: + logger.info("Setting up sam.ldb users and groups") + setup_add_ldif(samdb, setup_path("provision_users.ldif"), { + "DOMAINDN": names.domaindn, + "DOMAINSID": str(domainsid), + "CONFIGDN": names.configdn, + "ADMINPASS_B64": b64encode(adminpass.encode('utf-16-le')), + "KRBTGTPASS_B64": b64encode(krbtgtpass.encode('utf-16-le')) + }) + + logger.info("Setting up self join") + setup_self_join(samdb, names=names, invocationid=invocationid, + dnspass=dnspass, + machinepass=machinepass, + domainsid=domainsid, + next_rid=next_rid, + policyguid=policyguid, + policyguid_dc=policyguid_dc, + setup_path=setup_path, + domainControllerFunctionality=domainControllerFunctionality, + ntdsguid=ntdsguid) + + ntds_dn = "CN=NTDS Settings,%s" % names.serverdn + names.ntdsguid = samdb.searchone(basedn=ntds_dn, + attribute="objectGUID", expression="", scope=ldb.SCOPE_BASE) + assert isinstance(names.ntdsguid, str) + except: + samdb.transaction_cancel() + raise + else: + samdb.transaction_commit() + return samdb + + +FILL_FULL = "FULL" +FILL_NT4SYNC = "NT4SYNC" +FILL_DRS = "DRS" +SYSVOL_ACL = "O:LAG:BAD:P(A;OICI;0x001f01ff;;;BA)(A;OICI;0x001200a9;;;SO)(A;OICI;0x001f01ff;;;SY)(A;OICI;0x001200a9;;;AU)" +POLICIES_ACL = "O:LAG:BAD:P(A;OICI;0x001f01ff;;;BA)(A;OICI;0x001200a9;;;SO)(A;OICI;0x001f01ff;;;SY)(A;OICI;0x001200a9;;;AU)(A;OICI;0x001301bf;;;PA)" + +def set_dir_acl(path, acl, lp, domsid): + setntacl(lp, path, acl, domsid) + for root, dirs, files in os.walk(path, topdown=False): + for name in files: + setntacl(lp, os.path.join(root, name), acl, domsid) + for name in dirs: + setntacl(lp, os.path.join(root, name), acl, domsid) + + +def set_gpos_acl(sysvol, dnsdomain, domainsid, domaindn, samdb, lp): + """Set ACL on the sysvol/<dnsname>/Policies folder and the policy + folders beneath. + + :param sysvol: Physical path for the sysvol folder + :param dnsdomain: The DNS name of the domain + :param domainsid: The SID of the domain + :param domaindn: The DN of the domain (ie. DC=...) + :param samdb: An LDB object on the SAM db + :param lp: an LP object + """ + + # Set ACL for GPO root folder + root_policy_path = os.path.join(sysvol, dnsdomain, "Policies") + setntacl(lp, root_policy_path, POLICIES_ACL, str(domainsid)) + + res = samdb.search(base="CN=Policies,CN=System,%s"%(domaindn), + attrs=["cn", "nTSecurityDescriptor"], + expression="", scope=ldb.SCOPE_ONELEVEL) + + for policy in res: + acl = ndr_unpack(security.descriptor, + str(policy["nTSecurityDescriptor"])).as_sddl() + policy_path = getpolicypath(sysvol, dnsdomain, str(policy["cn"])) + set_dir_acl(policy_path, dsacl2fsacl(acl, str(domainsid)), lp, + str(domainsid)) + + +def setsysvolacl(samdb, netlogon, sysvol, gid, domainsid, dnsdomain, domaindn, + lp): + """Set the ACL for the sysvol share and the subfolders + + :param samdb: An LDB object on the SAM db + :param netlogon: Physical path for the netlogon folder + :param sysvol: Physical path for the sysvol folder + :param gid: The GID of the "Domain adminstrators" group + :param domainsid: The SID of the domain + :param dnsdomain: The DNS name of the domain + :param domaindn: The DN of the domain (ie. DC=...) + """ + + try: + os.chown(sysvol, -1, gid) + except: + canchown = False + else: + canchown = True + + # Set the SYSVOL_ACL on the sysvol folder and subfolder (first level) + setntacl(lp,sysvol, SYSVOL_ACL, str(domainsid)) + for root, dirs, files in os.walk(sysvol, topdown=False): + for name in files: + if canchown: + os.chown(os.path.join(root, name), -1, gid) + setntacl(lp, os.path.join(root, name), SYSVOL_ACL, str(domainsid)) + for name in dirs: + if canchown: + os.chown(os.path.join(root, name), -1, gid) + setntacl(lp, os.path.join(root, name), SYSVOL_ACL, str(domainsid)) + + # Set acls on Policy folder and policies folders + set_gpos_acl(sysvol, dnsdomain, domainsid, domaindn, samdb, lp) + + +def provision(setup_dir, logger, session_info, credentials, smbconf=None, + targetdir=None, samdb_fill=FILL_FULL, realm=None, rootdn=None, + domaindn=None, schemadn=None, configdn=None, serverdn=None, + domain=None, hostname=None, hostip=None, hostip6=None, domainsid=None, + next_rid=1000, adminpass=None, ldapadminpass=None, krbtgtpass=None, + domainguid=None, policyguid=None, policyguid_dc=None, + invocationid=None, machinepass=None, ntdsguid=None, dnspass=None, + root=None, nobody=None, users=None, wheel=None, backup=None, aci=None, + serverrole=None, dom_for_fun_level=None, ldap_backend_extra_port=None, + ldap_backend_forced_uri=None, backend_type=None, sitename=None, + ol_mmr_urls=None, ol_olc=None, setup_ds_path=None, slapd_path=None, + nosync=False, ldap_dryrun_mode=False, useeadb=False, am_rodc=False, + lp=None): + """Provision samba4 + + :note: caution, this wipes all existing data! + """ + + def setup_path(file): + return os.path.join(setup_dir, file) + + if domainsid is None: + domainsid = security.random_sid() + else: + domainsid = security.dom_sid(domainsid) + + # create/adapt the group policy GUIDs + # Default GUID for default policy are described at + # "How Core Group Policy Works" + # http://technet.microsoft.com/en-us/library/cc784268%28WS.10%29.aspx + if policyguid is None: + policyguid = DEFAULT_POLICY_GUID + policyguid = policyguid.upper() + if policyguid_dc is None: + policyguid_dc = DEFAULT_DC_POLICY_GUID + policyguid_dc = policyguid_dc.upper() + + if adminpass is None: + adminpass = samba.generate_random_password(12, 32) + if krbtgtpass is None: + krbtgtpass = samba.generate_random_password(128, 255) + if machinepass is None: + machinepass = samba.generate_random_password(128, 255) + if dnspass is None: + dnspass = samba.generate_random_password(128, 255) + if ldapadminpass is None: + # Make a new, random password between Samba and it's LDAP server + ldapadminpass=samba.generate_random_password(128, 255) + + if backend_type is None: + backend_type = "ldb" + + sid_generator = "internal" + if backend_type == "fedora-ds": + sid_generator = "backend" + + root_uid = findnss_uid([root or "root"]) + nobody_uid = findnss_uid([nobody or "nobody"]) + users_gid = findnss_gid([users or "users", 'users', 'other', 'staff']) + if wheel is None: + wheel_gid = findnss_gid(["wheel", "adm"]) + else: + wheel_gid = findnss_gid([wheel]) + try: + bind_gid = findnss_gid(["bind", "named"]) + except KeyError: + bind_gid = None + + if targetdir is not None: + smbconf = os.path.join(targetdir, "etc", "smb.conf") + elif smbconf is None: + smbconf = samba.param.default_path() + if not os.path.exists(os.path.dirname(smbconf)): + os.makedirs(os.path.dirname(smbconf)) + + # only install a new smb.conf if there isn't one there already + if os.path.exists(smbconf): + # if Samba Team members can't figure out the weird errors + # loading an empty smb.conf gives, then we need to be smarter. + # Pretend it just didn't exist --abartlet + data = open(smbconf, 'r').read() + data = data.lstrip() + if data is None or data == "": + make_smbconf(smbconf, setup_path, hostname, domain, realm, + serverrole, targetdir, sid_generator, useeadb, + lp=lp) + else: + make_smbconf(smbconf, setup_path, hostname, domain, realm, serverrole, + targetdir, sid_generator, useeadb, lp=lp) + + 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) + paths = provision_paths_from_lp(lp, names.dnsdomain) + + paths.bind_gid = bind_gid + + if hostip is None: + logger.info("Looking up IPv4 addresses") + hostips = samba.interface_ips(lp, False) + if len(hostips) == 0: + logger.warning("No external IPv4 address has been found. Using loopback.") + hostip = '127.0.0.1' + else: + hostip = hostips[0] + if len(hostips) > 1: + logger.warning("More than one IPv4 address found. Using %s.", + hostip) + + if serverrole is None: + serverrole = lp.get("server role") + + assert serverrole in ("domain controller", "member server", "standalone") + if invocationid is None: + invocationid = str(uuid.uuid4()) + + if not os.path.exists(paths.private_dir): + os.mkdir(paths.private_dir) + if not os.path.exists(os.path.join(paths.private_dir, "tls")): + os.mkdir(os.path.join(paths.private_dir, "tls")) + + ldapi_url = "ldapi://%s" % urllib.quote(paths.s4_ldapi_path, safe="") + + schema = Schema(setup_path, domainsid, invocationid=invocationid, + schemadn=names.schemadn) + + if backend_type == "ldb": + provision_backend = LDBBackend(backend_type, paths=paths, + setup_path=setup_path, lp=lp, credentials=credentials, + names=names, logger=logger) + elif backend_type == "existing": + provision_backend = ExistingBackend(backend_type, paths=paths, + setup_path=setup_path, lp=lp, credentials=credentials, + names=names, logger=logger, + ldap_backend_forced_uri=ldap_backend_forced_uri) + elif backend_type == "fedora-ds": + provision_backend = FDSBackend(backend_type, paths=paths, + setup_path=setup_path, lp=lp, credentials=credentials, + names=names, logger=logger, domainsid=domainsid, + schema=schema, hostname=hostname, ldapadminpass=ldapadminpass, + slapd_path=slapd_path, + ldap_backend_extra_port=ldap_backend_extra_port, + ldap_dryrun_mode=ldap_dryrun_mode, root=root, + setup_ds_path=setup_ds_path, + ldap_backend_forced_uri=ldap_backend_forced_uri) + elif backend_type == "openldap": + provision_backend = OpenLDAPBackend(backend_type, paths=paths, + setup_path=setup_path, lp=lp, credentials=credentials, + names=names, logger=logger, domainsid=domainsid, + schema=schema, hostname=hostname, ldapadminpass=ldapadminpass, + slapd_path=slapd_path, + ldap_backend_extra_port=ldap_backend_extra_port, + ldap_dryrun_mode=ldap_dryrun_mode, ol_mmr_urls=ol_mmr_urls, + nosync=nosync, + ldap_backend_forced_uri=ldap_backend_forced_uri) + else: + raise ValueError("Unknown LDAP backend type selected") + + provision_backend.init() + provision_backend.start() + + # only install a new shares config db if there is none + if not os.path.exists(paths.shareconf): + logger.info("Setting up share.ldb") + share_ldb = Ldb(paths.shareconf, session_info=session_info, + lp=lp) + share_ldb.load_ldif_file_add(setup_path("share.ldif")) + + logger.info("Setting up secrets.ldb") + secrets_ldb = setup_secretsdb(paths, setup_path, + session_info=session_info, + backend_credentials=provision_backend.secrets_credentials, lp=lp) + + try: + logger.info("Setting up the registry") + setup_registry(paths.hklm, setup_path, session_info, + lp=lp) + + logger.info("Setting up the privileges database") + setup_privileges(paths.privilege, setup_path, session_info, lp=lp) + + logger.info("Setting up idmap db") + idmap = setup_idmapdb(paths.idmapdb, setup_path, + session_info=session_info, lp=lp) + + logger.info("Setting up SAM db") + samdb = setup_samdb(paths.samdb, setup_path, session_info, + provision_backend, lp, names, logger=logger, + domainsid=domainsid, schema=schema, domainguid=domainguid, + policyguid=policyguid, policyguid_dc=policyguid_dc, + fill=samdb_fill, adminpass=adminpass, krbtgtpass=krbtgtpass, + invocationid=invocationid, machinepass=machinepass, + dnspass=dnspass, ntdsguid=ntdsguid, serverrole=serverrole, + dom_for_fun_level=dom_for_fun_level, am_rodc=am_rodc, + next_rid=next_rid) + + if serverrole == "domain controller": + if paths.netlogon is None: + logger.info("Existing smb.conf does not have a [netlogon] share, but you are configuring a DC.") + logger.info("Please either remove %s or see the template at %s" % + (paths.smbconf, setup_path("provision.smb.conf.dc"))) + assert paths.netlogon is not None + + if paths.sysvol is None: + logger.info("Existing smb.conf does not have a [sysvol] share, but you" + " are configuring a DC.") + logger.info("Please either remove %s or see the template at %s" % + (paths.smbconf, setup_path("provision.smb.conf.dc"))) + assert paths.sysvol is not None + + if not os.path.isdir(paths.netlogon): + os.makedirs(paths.netlogon, 0755) + + if samdb_fill == FILL_FULL: + setup_name_mappings(samdb, idmap, str(domainsid), names.domaindn, + root_uid=root_uid, nobody_uid=nobody_uid, + users_gid=users_gid, wheel_gid=wheel_gid) + + if serverrole == "domain controller": + # Set up group policies (domain policy and domain controller + # policy) + create_default_gpo(paths.sysvol, names.dnsdomain, policyguid, + policyguid_dc) + setsysvolacl(samdb, paths.netlogon, paths.sysvol, wheel_gid, + domainsid, names.dnsdomain, names.domaindn, lp) + + logger.info("Setting up sam.ldb rootDSE marking as synchronized") + setup_modify_ldif(samdb, setup_path("provision_rootdse_modify.ldif")) + + secretsdb_self_join(secrets_ldb, domain=names.domain, + realm=names.realm, dnsdomain=names.dnsdomain, + netbiosname=names.netbiosname, domainsid=domainsid, + machinepass=machinepass, secure_channel_type=SEC_CHAN_BDC) + + # Now set up the right msDS-SupportedEncryptionTypes into the DB + # In future, this might be determined from some configuration + kerberos_enctypes = str(ENC_ALL_TYPES) + + try: + msg = ldb.Message(ldb.Dn(samdb, + samdb.searchone("distinguishedName", + expression="samAccountName=%s$" % names.netbiosname, + scope=ldb.SCOPE_SUBTREE))) + msg["msDS-SupportedEncryptionTypes"] = ldb.MessageElement( + elements=kerberos_enctypes, flags=ldb.FLAG_MOD_REPLACE, + name="msDS-SupportedEncryptionTypes") + samdb.modify(msg) + except ldb.LdbError, (ldb.ERR_NO_SUCH_ATTRIBUTE, _): + # It might be that this attribute does not exist in this schema + pass + + if serverrole == "domain controller": + secretsdb_setup_dns(secrets_ldb, setup_path, names, + paths.private_dir, realm=names.realm, + dnsdomain=names.dnsdomain, + dns_keytab_path=paths.dns_keytab, dnspass=dnspass) + + domainguid = samdb.searchone(basedn=domaindn, + attribute="objectGUID") + assert isinstance(domainguid, str) + + # Only make a zone file on the first DC, it should be + # replicated with DNS replication + create_zone_file(lp, logger, paths, targetdir, setup_path, + dnsdomain=names.dnsdomain, hostip=hostip, hostip6=hostip6, + hostname=names.hostname, realm=names.realm, + domainguid=domainguid, ntdsguid=names.ntdsguid) + + create_named_conf(paths, setup_path, realm=names.realm, + dnsdomain=names.dnsdomain, private_dir=paths.private_dir) + + create_named_txt(paths.namedtxt, setup_path, + realm=names.realm, dnsdomain=names.dnsdomain, + private_dir=paths.private_dir, + keytab_name=paths.dns_keytab) + logger.info("See %s for an example configuration include file for BIND", paths.namedconf) + logger.info("and %s for further documentation required for secure DNS " + "updates", paths.namedtxt) + + lastProvisionUSNs = get_last_provision_usn(samdb) + maxUSN = get_max_usn(samdb, str(names.rootdn)) + if lastProvisionUSNs is not None: + update_provision_usn(samdb, 0, maxUSN, 1) + else: + set_provision_usn(samdb, 0, maxUSN) + + create_krb5_conf(paths.krb5conf, setup_path, + dnsdomain=names.dnsdomain, hostname=names.hostname, + realm=names.realm) + logger.info("A Kerberos configuration suitable for Samba 4 has been " + "generated at %s", paths.krb5conf) + + if serverrole == "domain controller": + create_dns_update_list(lp, logger, paths, setup_path) + + provision_backend.post_setup() + provision_backend.shutdown() + + create_phpldapadmin_config(paths.phpldapadminconfig, setup_path, + ldapi_url) + except: + secrets_ldb.transaction_cancel() + raise + + # Now commit the secrets.ldb to disk + secrets_ldb.transaction_commit() + + # the commit creates the dns.keytab, now chown it + dns_keytab_path = os.path.join(paths.private_dir, paths.dns_keytab) + if os.path.isfile(dns_keytab_path) and paths.bind_gid is not None: + try: + os.chmod(dns_keytab_path, 0640) + os.chown(dns_keytab_path, -1, paths.bind_gid) + except OSError: + if not os.environ.has_key('SAMBA_SELFTEST'): + logger.info("Failed to chown %s to bind gid %u", + dns_keytab_path, paths.bind_gid) + + + logger.info("Please install the phpLDAPadmin configuration located at %s into /etc/phpldapadmin/config.php", + paths.phpldapadminconfig) + + logger.info("Once the above files are installed, your Samba4 server will be ready to use") + logger.info("Server Role: %s" % serverrole) + logger.info("Hostname: %s" % names.hostname) + logger.info("NetBIOS Domain: %s" % names.domain) + logger.info("DNS Domain: %s" % names.dnsdomain) + logger.info("DOMAIN SID: %s" % str(domainsid)) + if samdb_fill == FILL_FULL: + logger.info("Admin password: %s" % adminpass) + if provision_backend.type is not "ldb": + if provision_backend.credentials.get_bind_dn() is not None: + logger.info("LDAP Backend Admin DN: %s" % + provision_backend.credentials.get_bind_dn()) + else: + logger.info("LDAP Admin User: %s" % + provision_backend.credentials.get_username()) + + logger.info("LDAP Admin Password: %s" % + provision_backend.credentials.get_password()) + + if provision_backend.slapd_command_escaped is not None: + # now display slapd_command_file.txt to show how slapd must be + # started next time + logger.info("Use later the following commandline to start slapd, then Samba:") + logger.info(provision_backend.slapd_command_escaped) + logger.info("This slapd-Commandline is also stored under: %s/ldap_backend_startup.sh", + provision_backend.ldapdir) + + result = ProvisionResult() + result.domaindn = domaindn + result.paths = paths + result.lp = lp + result.samdb = samdb + return result + + +def provision_become_dc(setup_dir=None, smbconf=None, targetdir=None, + realm=None, rootdn=None, domaindn=None, schemadn=None, configdn=None, + serverdn=None, domain=None, hostname=None, domainsid=None, + adminpass=None, krbtgtpass=None, domainguid=None, policyguid=None, + policyguid_dc=None, invocationid=None, machinepass=None, dnspass=None, + root=None, nobody=None, users=None, wheel=None, backup=None, + serverrole=None, ldap_backend=None, ldap_backend_type=None, + sitename=None, debuglevel=1): + + logger = logging.getLogger("provision") + samba.set_debug_level(debuglevel) + + res = provision(setup_dir, logger, system_session(), None, + smbconf=smbconf, targetdir=targetdir, samdb_fill=FILL_DRS, + realm=realm, rootdn=rootdn, domaindn=domaindn, schemadn=schemadn, + configdn=configdn, serverdn=serverdn, domain=domain, + hostname=hostname, hostip="127.0.0.1", domainsid=domainsid, + machinepass=machinepass, serverrole="domain controller", + sitename=sitename) + res.lp.set("debuglevel", str(debuglevel)) + return res + + +def create_phpldapadmin_config(path, setup_path, ldapi_uri): + """Create a PHP LDAP admin configuration file. + + :param path: Path to write the configuration to. + :param setup_path: Function to generate setup paths. + """ + setup_file(setup_path("phpldapadmin-config.php"), path, + {"S4_LDAPI_URI": ldapi_uri}) + + +def create_zone_file(lp, logger, paths, targetdir, setup_path, dnsdomain, + hostip, hostip6, hostname, realm, domainguid, + ntdsguid): + """Write out a DNS zone file, from the info in the current database. + + :param paths: paths object + :param setup_path: Setup path function. + :param dnsdomain: DNS Domain name + :param domaindn: DN of the Domain + :param hostip: Local IPv4 IP + :param hostip6: Local IPv6 IP + :param hostname: Local hostname + :param realm: Realm name + :param domainguid: GUID of the domain. + :param ntdsguid: GUID of the hosts nTDSDSA record. + """ + assert isinstance(domainguid, str) + + if hostip6 is not None: + hostip6_base_line = " IN AAAA " + hostip6 + hostip6_host_line = hostname + " IN AAAA " + hostip6 + gc_msdcs_ip6_line = "gc._msdcs IN AAAA " + hostip6 + else: + hostip6_base_line = "" + hostip6_host_line = "" + gc_msdcs_ip6_line = "" + + if hostip is not None: + hostip_base_line = " IN A " + hostip + hostip_host_line = hostname + " IN A " + hostip + gc_msdcs_ip_line = "gc._msdcs IN A " + hostip + else: + hostip_base_line = "" + hostip_host_line = "" + gc_msdcs_ip_line = "" + + dns_dir = os.path.dirname(paths.dns) + + try: + shutil.rmtree(dns_dir, True) + except OSError: + pass + + os.mkdir(dns_dir, 0775) + + # we need to freeze the zone while we update the contents + if targetdir is None: + rndc = ' '.join(lp.get("rndc command")) + os.system(rndc + " freeze " + lp.get("realm")) + + setup_file(setup_path("provision.zone"), paths.dns, { + "HOSTNAME": hostname, + "DNSDOMAIN": dnsdomain, + "REALM": realm, + "HOSTIP_BASE_LINE": hostip_base_line, + "HOSTIP_HOST_LINE": hostip_host_line, + "DOMAINGUID": domainguid, + "DATESTRING": time.strftime("%Y%m%d%H"), + "DEFAULTSITE": DEFAULTSITE, + "NTDSGUID": ntdsguid, + "HOSTIP6_BASE_LINE": hostip6_base_line, + "HOSTIP6_HOST_LINE": hostip6_host_line, + "GC_MSDCS_IP_LINE": gc_msdcs_ip_line, + "GC_MSDCS_IP6_LINE": gc_msdcs_ip6_line, + }) + + # note that we use no variable substitution on this file + # the substitution is done at runtime by samba_dnsupdate + setup_file(setup_path("dns_update_list"), paths.dns_update_list, None) + + # and the SPN update list + setup_file(setup_path("spn_update_list"), paths.spn_update_list, None) + + if paths.bind_gid is not None: + try: + os.chown(dns_dir, -1, paths.bind_gid) + os.chown(paths.dns, -1, paths.bind_gid) + # chmod needed to cope with umask + os.chmod(dns_dir, 0775) + os.chmod(paths.dns, 0664) + except OSError: + if not os.environ.has_key('SAMBA_SELFTEST'): + logger.error("Failed to chown %s to bind gid %u" % ( + dns_dir, paths.bind_gid)) + + if targetdir is None: + os.system(rndc + " unfreeze " + lp.get("realm")) + + +def create_dns_update_list(lp, logger, paths, setup_path): + """Write out a dns_update_list file""" + # note that we use no variable substitution on this file + # the substitution is done at runtime by samba_dnsupdate + setup_file(setup_path("dns_update_list"), paths.dns_update_list, None) + setup_file(setup_path("spn_update_list"), paths.spn_update_list, None) + + +def create_named_conf(paths, setup_path, realm, dnsdomain, + private_dir): + """Write out a file containing zone statements suitable for inclusion in a + named.conf file (including GSS-TSIG configuration). + + :param paths: all paths + :param setup_path: Setup path function. + :param realm: Realm name + :param dnsdomain: DNS Domain name + :param private_dir: Path to private directory + :param keytab_name: File name of DNS keytab file + """ + + setup_file(setup_path("named.conf"), paths.namedconf, { + "DNSDOMAIN": dnsdomain, + "REALM": realm, + "ZONE_FILE": paths.dns, + "REALM_WC": "*." + ".".join(realm.split(".")[1:]), + "NAMED_CONF": paths.namedconf, + "NAMED_CONF_UPDATE": paths.namedconf_update + }) + + setup_file(setup_path("named.conf.update"), paths.namedconf_update) + + +def create_named_txt(path, setup_path, realm, dnsdomain, private_dir, + keytab_name): + """Write out a file containing zone statements suitable for inclusion in a + named.conf file (including GSS-TSIG configuration). + + :param path: Path of the new named.conf file. + :param setup_path: Setup path function. + :param realm: Realm name + :param dnsdomain: DNS Domain name + :param private_dir: Path to private directory + :param keytab_name: File name of DNS keytab file + """ + setup_file(setup_path("named.txt"), path, { + "DNSDOMAIN": dnsdomain, + "REALM": realm, + "DNS_KEYTAB": keytab_name, + "DNS_KEYTAB_ABS": os.path.join(private_dir, keytab_name), + "PRIVATE_DIR": private_dir + }) + + +def create_krb5_conf(path, setup_path, dnsdomain, hostname, realm): + """Write out a file containing zone statements suitable for inclusion in a + named.conf file (including GSS-TSIG configuration). + + :param path: Path of the new named.conf file. + :param setup_path: Setup path function. + :param dnsdomain: DNS Domain name + :param hostname: Local hostname + :param realm: Realm name + """ + setup_file(setup_path("krb5.conf"), path, { + "DNSDOMAIN": dnsdomain, + "HOSTNAME": hostname, + "REALM": realm, + }) + + +class ProvisioningError(Exception): + """A generic provision error.""" + + def __init__(self, value): + self.value = value + + def __str__(self): + return "ProvisioningError: " + self.value + + +class InvalidNetbiosName(Exception): + """A specified name was not a valid NetBIOS name.""" + def __init__(self, name): + super(InvalidNetbiosName, self).__init__( + "The name '%r' is not a valid NetBIOS name" % name) |