# # Unix SMB/CIFS implementation. # backend code for provisioning a Samba4 server # Copyright (C) Jelmer Vernooij 2007-2008 # Copyright (C) Andrew Bartlett 2008-2009 # Copyright (C) Oliver Liebel 2008-2009 # # Based on the original in EJS: # Copyright (C) Andrew Tridgell 2005 # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # """Functions for setting up a Samba configuration (LDB and LDAP backends).""" from base64 import b64encode import errno import ldb import os import sys import uuid import time import shutil import subprocess import urllib from ldb import SCOPE_BASE, SCOPE_ONELEVEL, LdbError, timestring from samba import Ldb, read_and_sub_file, setup_file from samba.credentials import Credentials, DONT_USE_KERBEROS from samba.schema import Schema class SlapdAlreadyRunning(Exception): def __init__(self, uri): self.ldapi_uri = uri super(SlapdAlreadyRunning, self).__init__("Another slapd Instance " "seems already running on this host, listening to %s." % self.ldapi_uri) class BackendResult(object): def report_logger(self, logger): """Rerport this result to a particular logger. """ raise NotImplementedError(self.report_logger) class LDAPBackendResult(BackendResult): def __init__(self, slapd_command_escaped, ldapdir): self.slapd_command_escaped = slapd_command_escaped self.ldapdir = ldapdir def report_logger(self, logger): if self.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(self.slapd_command_escaped) logger.info( "This slapd-Commandline is also stored under: %s/ldap_backend_startup.sh", self.ldapdir) class ProvisionBackend(object): def __init__(self, backend_type, paths=None, lp=None, names=None, logger=None): """Provision a backend for samba4""" self.paths = paths self.lp = lp self.credentials = None self.names = names self.logger = logger self.type = backend_type # Set a default - the code for "existing" below replaces this self.ldap_backend_type = backend_type def init(self): """Initialize the backend.""" raise NotImplementedError(self.init) def start(self): """Start the backend.""" raise NotImplementedError(self.start) def shutdown(self): """Shutdown the backend.""" raise NotImplementedError(self.shutdown) def post_setup(self): """Post setup. :return: A BackendResult or None """ raise NotImplementedError(self.post_setup) class LDBBackend(ProvisionBackend): def init(self): self.credentials = None # Wipe the old sam.ldb databases away shutil.rmtree(self.paths.samdb + ".d", True) def start(self): pass def shutdown(self): pass def post_setup(self): pass class ExistingBackend(ProvisionBackend): def __init__(self, backend_type, paths=None, lp=None, names=None, logger=None, ldapi_uri=None): super(ExistingBackend, self).__init__(backend_type=backend_type, paths=paths, lp=lp, names=names, logger=logger, ldap_backend_forced_uri=ldapi_uri) def init(self): # Check to see that this 'existing' LDAP backend in fact exists ldapi_db = Ldb(self.ldapi_uri) ldapi_db.search(base="", scope=SCOPE_BASE, expression="(objectClass=OpenLDAProotDSE)") # For now, assume existing backends at least emulate OpenLDAP self.ldap_backend_type = "openldap" class LDAPBackend(ProvisionBackend): def __init__(self, backend_type, paths=None, lp=None, names=None, logger=None, domainsid=None, schema=None, hostname=None, ldapadminpass=None, slapd_path=None, ldap_backend_extra_port=None, ldap_backend_forced_uri=None, ldap_dryrun_mode=False): super(LDAPBackend, self).__init__(backend_type=backend_type, paths=paths, lp=lp, names=names, logger=logger) self.domainsid = domainsid self.schema = schema self.hostname = hostname self.ldapdir = os.path.join(paths.private_dir, "ldap") self.ldapadminpass = ldapadminpass self.slapd_path = slapd_path self.slapd_command = None self.slapd_command_escaped = None self.slapd_pid = os.path.join(self.ldapdir, "slapd.pid") self.ldap_backend_extra_port = ldap_backend_extra_port self.ldap_dryrun_mode = ldap_dryrun_mode if ldap_backend_forced_uri is not None: self.ldap_uri = ldap_backend_forced_uri else: self.ldap_uri = "ldapi://%s" % urllib.quote( os.path.join(self.ldapdir, "ldapi"), safe="") if not os.path.exists(self.ldapdir): os.mkdir(self.ldapdir) def init(self): from samba.provision import ProvisioningError # we will shortly start slapd with ldapi for final provisioning. first # check with ldapsearch -> rootDSE via self.ldap_uri if another # instance of slapd is already running try: ldapi_db = Ldb(self.ldap_uri) ldapi_db.search(base="", scope=SCOPE_BASE, expression="(objectClass=OpenLDAProotDSE)") try: f = open(self.slapd_pid, "r") except IOError, err: if err != errno.ENOENT: raise else: try: p = f.read() finally: f.close() self.logger.info("Check for slapd process with PID: %s and terminate it manually." % p) raise SlapdAlreadyRunning(self.ldap_uri) except LdbError: # XXX: We should never be catching all Ldb errors pass # Try to print helpful messages when the user has not specified the # path to slapd if self.slapd_path is None: raise ProvisioningError("Warning: LDAP-Backend must be setup with path to slapd, e.g. --slapd-path=\"/usr/local/libexec/slapd\"!") if not os.path.exists(self.slapd_path): self.logger.warning("Path (%s) to slapd does not exist!", self.slapd_path) if not os.path.isdir(self.ldapdir): os.makedirs(self.ldapdir, 0700) # Put the LDIF of the schema into a database so we can search on # it to generate schema-dependent configurations in Fedora DS and # OpenLDAP schemadb_path = os.path.join(self.ldapdir, "schema-tmp.ldb") try: os.unlink(schemadb_path) except OSError: pass self.schema.write_to_tmp_ldb(schemadb_path) self.credentials = Credentials() self.credentials.guess(self.lp) # Kerberos to an ldapi:// backend makes no sense (we also force EXTERNAL) self.credentials.set_kerberos_state(DONT_USE_KERBEROS) self.credentials.set_username("samba-admin") self.credentials.set_password(self.ldapadminpass) self.credentials.set_forced_sasl_mech("EXTERNAL") self.provision() def provision(self): pass def start(self): from samba.provision import ProvisioningError self.slapd_command_escaped = "\'" + "\' \'".join(self.slapd_command) + "\'" ldap_backend_script = os.path.join(self.ldapdir, "ldap_backend_startup.sh") f = open(ldap_backend_script, 'w') try: f.write("#!/bin/sh\n" + self.slapd_command_escaped + " $@\n") finally: f.close() os.chmod(ldap_backend_script, 0755) # Now start the slapd, so we can provision onto it. We keep the # subprocess context around, to kill this off at the successful # end of the script self.slapd = subprocess.Popen(self.slapd_provision_command, close_fds=True, shell=False) count = 0 while self.slapd.poll() is None: # Wait until the socket appears try: time.sleep(1) ldapi_db = Ldb(self.ldap_uri, lp=self.lp, credentials=self.credentials) ldapi_db.search(base="", scope=SCOPE_BASE, expression="(objectClass=OpenLDAProotDSE)") # If we have got here, then we must have a valid connection to # the LDAP server! return except LdbError: count = count + 1 if count > 15: self.logger.error("Could not connect to slapd started with: %s" % "\'" + "\' \'".join(self.slapd_provision_command) + "\'") raise ProvisioningError("slapd never accepted a connection within 15 seconds of starting") self.logger.error("Could not start slapd with: %s" % "\'" + "\' \'".join(self.slapd_provision_command) + "\'") raise ProvisioningError("slapd died before we could make a connection to it") def shutdown(self): # if an LDAP backend is in use, terminate slapd after final provision # and check its proper termination if self.slapd.poll() is None: # Kill the slapd if getattr(self.slapd, "terminate", None) is not None: self.slapd.terminate() else: # Older python versions don't have .terminate() import signal os.kill(self.slapd.pid, signal.SIGTERM) # and now wait for it to die self.slapd.communicate() def post_setup(self): return LDAPBackendResult(self.slapd_command_escaped, self.ldapdir) class OpenLDAPBackend(LDAPBackend): def __init__(self, backend_type, paths=None, lp=None, credentials=None, names=None, logger=None, domainsid=None, schema=None, hostname=None, ldapadminpass=None, slapd_path=None, ldap_backend_extra_port=None, ldap_dryrun_mode=False, ol_mmr_urls=None, nosync=False, ldap_backend_forced_uri=None): from samba.provision import setup_path super(OpenLDAPBackend, self).__init__( backend_type=backend_type, paths=paths, lp=lp, 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_backend_forced_uri=ldap_backend_forced_uri, ldap_dryrun_mode=ldap_dryrun_mode) self.ol_mmr_urls = ol_mmr_urls self.nosync = nosync self.slapdconf = os.path.join(self.ldapdir, "slapd.conf") self.modulesconf = os.path.join(self.ldapdir, "modules.conf") self.memberofconf = os.path.join(self.ldapdir, "memberof.conf") self.olmmrserveridsconf = os.path.join(self.ldapdir, "mmr_serverids.conf") self.olmmrsyncreplconf = os.path.join(self.ldapdir, "mmr_syncrepl.conf") self.olcdir = os.path.join(self.ldapdir, "slapd.d") self.olcseedldif = os.path.join(self.ldapdir, "olc_seed.ldif") self.schema = Schema(self.domainsid, schemadn=self.names.schemadn, files=[ setup_path("schema_samba4.ldif")]) def setup_db_dir(self, dbdir): """Create a database directory. :param dbdir: Database directory. """ if not os.path.exists(dbdir): os.makedirs(dbdir, 0700) def provision(self): from samba.provision import ProvisioningError, setup_path # Wipe the directories so we can start shutil.rmtree(os.path.join(self.ldapdir, "db"), True) # Allow the test scripts to turn off fsync() for OpenLDAP as for TDB # and LDB nosync_config = "" if self.nosync: nosync_config = "dbnosync" lnkattr = self.schema.linked_attributes() refint_attributes = "" memberof_config = "# Generated from Samba4 schema\n" for att in lnkattr.keys(): if lnkattr[att] is not None: refint_attributes = refint_attributes + " " + att memberof_config += read_and_sub_file( setup_path("memberof.conf"), { "MEMBER_ATTR": att, "MEMBEROF_ATTR": lnkattr[att]}) refint_config = read_and_sub_file( setup_path("refint.conf"), {"LINK_ATTRS": refint_attributes}) attrs = ["linkID", "lDAPDisplayName"] res = self.schema.ldb.search( expression="(&(objectclass=attributeSchema)" "(searchFlags:1.2.840.113556.1.4.803:=1))", base=self.names.schemadn, scope=SCOPE_ONELEVEL, attrs=attrs) index_config = "" for i in range(0, len(res)): index_attr = res[i]["lDAPDisplayName"][0] if index_attr == "objectGUID": index_attr = "entryUUID" index_config += "index " + index_attr + " eq\n" # generate serverids, ldap-urls and syncrepl-blocks for mmr hosts mmr_on_config = "" mmr_replicator_acl = "" mmr_serverids_config = "" mmr_syncrepl_schema_config = "" mmr_syncrepl_config_config = "" mmr_syncrepl_domaindns_config = "" mmr_syncrepl_forestdns_config = "" mmr_syncrepl_user_config = "" mmr_pass = "" if self.ol_mmr_urls is not None: # For now, make these equal mmr_pass = self.ldapadminpass url_list = filter(None,self.ol_mmr_urls.split(',')) for url in url_list: self.logger.info("Using LDAP-URL: "+url) if len(url_list) == 1: raise ProvisioningError("At least 2 LDAP-URLs needed for MMR!") mmr_on_config = "MirrorMode On" mmr_replicator_acl = " by dn=cn=replicator,cn=samba read" serverid = 0 for url in url_list: serverid = serverid + 1 mmr_serverids_config += read_and_sub_file( setup_path("mmr_serverids.conf"), { "SERVERID": str(serverid), "LDAPSERVER": url }) rid = serverid * 10 rid = rid + 1 mmr_syncrepl_schema_config += read_and_sub_file( setup_path("mmr_syncrepl.conf"), { "RID" : str(rid), "MMRDN": self.names.schemadn, "LDAPSERVER" : url, "MMR_PASSWORD": mmr_pass}) rid = rid + 1 mmr_syncrepl_config_config += read_and_sub_file( setup_path("mmr_syncrepl.conf"), { "RID" : str(rid), "MMRDN": self.names.configdn, "LDAPSERVER" : url, "MMR_PASSWORD": mmr_pass}) rid = rid + 1 mmr_syncrepl_domaindns_config += read_and_sub_file( setup_path("mmr_syncrepl.conf"), { "RID" : str(rid), "MMRDN": "dc=DomainDNSZones," + self.names.domaindn, "LDAPSERVER" : url, "MMR_PASSWORD": mmr_pass}) rid = rid + 1 mmr_syncrepl_forestdns_config += read_and_sub_file( setup_path("mmr_syncrepl.conf"), { "RID" : str(rid), "MMRDN": "dc=ForestDNSZones," + self.names.domaindn, "LDAPSERVER" : url, "MMR_PASSWORD": mmr_pass}) rid = rid + 1 mmr_syncrepl_user_config += read_and_sub_file( setup_path("mmr_syncrepl.conf"), { "RID" : str(rid), "MMRDN": self.names.domaindn, "LDAPSERVER" : url, "MMR_PASSWORD": mmr_pass }) # OpenLDAP cn=config initialisation olc_syncrepl_config = "" olc_mmr_config = "" # if mmr = yes, generate cn=config-replication directives # and olc_seed.lif for the other mmr-servers if self.ol_mmr_urls is not None: serverid = 0 olc_serverids_config = "" olc_syncrepl_seed_config = "" olc_mmr_config += read_and_sub_file( setup_path("olc_mmr.conf"), {}) rid = 500 for url in url_list: serverid = serverid + 1 olc_serverids_config += read_and_sub_file( setup_path("olc_serverid.conf"), { "SERVERID" : str(serverid), "LDAPSERVER" : url }) rid = rid + 1 olc_syncrepl_config += read_and_sub_file( setup_path("olc_syncrepl.conf"), { "RID" : str(rid), "LDAPSERVER" : url, "MMR_PASSWORD": mmr_pass}) olc_syncrepl_seed_config += read_and_sub_file( setup_path("olc_syncrepl_seed.conf"), { "RID" : str(rid), "LDAPSERVER" : url}) setup_file(setup_path("olc_seed.ldif"), self.olcseedldif, {"OLC_SERVER_ID_CONF": olc_serverids_config, "OLC_PW": self.ldapadminpass, "OLC_SYNCREPL_CONF": olc_syncrepl_seed_config}) # end olc setup_file(setup_path("slapd.conf"), self.slapdconf, {"DNSDOMAIN": self.names.dnsdomain, "LDAPDIR": self.ldapdir, "DOMAINDN": self.names.domaindn, "CONFIGDN": self.names.configdn, "SCHEMADN": self.names.schemadn, "MEMBEROF_CONFIG": memberof_config, "MIRRORMODE": mmr_on_config, "REPLICATOR_ACL": mmr_replicator_acl, "MMR_SERVERIDS_CONFIG": mmr_serverids_config, "MMR_SYNCREPL_SCHEMA_CONFIG": mmr_syncrepl_schema_config, "MMR_SYNCREPL_CONFIG_CONFIG": mmr_syncrepl_config_config, "MMR_SYNCREPL_DOMAINDNS_CONFIG": mmr_syncrepl_domaindns_config, "MMR_SYNCREPL_FORESTDNS_CONFIG": mmr_syncrepl_forestdns_config, "MMR_SYNCREPL_USER_CONFIG": mmr_syncrepl_user_config, "OLC_SYNCREPL_CONFIG": olc_syncrepl_config, "OLC_MMR_CONFIG": olc_mmr_config, "REFINT_CONFIG": refint_config, "INDEX_CONFIG": index_config, "ADMIN_UID": str(os.getuid()), "NOSYNC": nosync_config,}) self.setup_db_dir(os.path.join(self.ldapdir, "db", "forestdns")) self.setup_db_dir(os.path.join(self.ldapdir, "db", "domaindns")) self.setup_db_dir(os.path.join(self.ldapdir, "db", "user")) self.setup_db_dir(os.path.join(self.ldapdir, "db", "config")) self.setup_db_dir(os.path.join(self.ldapdir, "db", "schema")) self.setup_db_dir(os.path.join(self.ldapdir, "db", "samba")) if self.ol_mmr_urls is not None: mmr = "" else: mmr = "#" cn_samba = read_and_sub_file( setup_path("cn=samba.ldif"), { "LDAPADMINPASS": self.ldapadminpass, "MMR_PASSWORD": mmr_pass, "MMR": mmr }) mapping = "schema-map-openldap-2.3" backend_schema = "backend-schema.schema" f = open(setup_path(mapping), 'r') try: backend_schema_data = self.schema.convert_to_openldap( "openldap", f.read()) finally: f.close() assert backend_schema_data is not None f = open(os.path.join(self.ldapdir, backend_schema), 'w') try: f.write(backend_schema_data) finally: f.close() # now we generate the needed strings to start slapd automatically, if self.ldap_backend_extra_port is not None: # When we use MMR, we can't use 0.0.0.0 as it uses the name # specified there as part of it's clue as to it's own name, # and not to replicate to itself if self.ol_mmr_urls is None: server_port_string = "ldap://0.0.0.0:%d" % self.ldap_backend_extra_port else: server_port_string = "ldap://%s.%s:%d" (self.names.hostname, self.names.dnsdomain, self.ldap_backend_extra_port) else: server_port_string = "" # Prepare the 'result' information - the commands to return in # particular self.slapd_provision_command = [self.slapd_path, "-F" + self.olcdir, "-h"] # copy this command so we have two version, one with -d0 and only # ldapi (or the forced ldap_uri), and one with all the listen commands self.slapd_command = list(self.slapd_provision_command) self.slapd_provision_command.extend([self.ldap_uri, "-d0"]) uris = self.ldap_uri if server_port_string is not "": uris = uris + " " + server_port_string self.slapd_command.append(uris) # Wipe the old sam.ldb databases away shutil.rmtree(self.olcdir, True) os.makedirs(self.olcdir, 0770) # If we were just looking for crashes up to this point, it's a # good time to exit before we realise we don't have OpenLDAP on # this system if self.ldap_dryrun_mode: sys.exit(0) slapd_cmd = [self.slapd_path, "-Ttest", "-n", "0", "-f", self.slapdconf, "-F", self.olcdir] retcode = subprocess.call(slapd_cmd, close_fds=True, shell=False) if retcode != 0: self.logger.error("conversion from slapd.conf to cn=config failed slapd started with: %s" % "\'" + "\' \'".join(slapd_cmd) + "\'") raise ProvisioningError("conversion from slapd.conf to cn=config failed") if not os.path.exists(os.path.join(self.olcdir, "cn=config.ldif")): raise ProvisioningError("conversion from slapd.conf to cn=config failed") # Don't confuse the admin by leaving the slapd.conf around os.remove(self.slapdconf) cn_samba_cmd = [self.slapd_path, "-Tadd", "-b", "cn=samba", "-F", self.olcdir] p = subprocess.Popen(cn_samba_cmd, stdin=subprocess.PIPE, shell=False) p.stdin.write(cn_samba) p.communicate() class FDSBackend(LDAPBackend): def __init__(self, backend_type, paths=None, lp=None, names=None, logger=None, domainsid=None, schema=None, hostname=None, ldapadminpass=None, slapd_path=None, ldap_backend_extra_port=None, ldap_dryrun_mode=False, root=None, setup_ds_path=None): from samba.provision import setup_path super(FDSBackend, self).__init__(backend_type=backend_type, paths=paths, lp=lp, 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_backend_forced_uri=ldap_backend_forced_uri, ldap_dryrun_mode=ldap_dryrun_mode) self.root = root self.setup_ds_path = setup_ds_path self.ldap_instance = self.names.netbiosname.lower() self.sambadn = "CN=Samba" self.fedoradsinf = os.path.join(self.ldapdir, "fedorads.inf") self.partitions_ldif = os.path.join(self.ldapdir, "fedorads-partitions.ldif") self.sasl_ldif = os.path.join(self.ldapdir, "fedorads-sasl.ldif") self.dna_ldif = os.path.join(self.ldapdir, "fedorads-dna.ldif") self.pam_ldif = os.path.join(self.ldapdir, "fedorads-pam.ldif") self.refint_ldif = os.path.join(self.ldapdir, "fedorads-refint.ldif") self.linked_attrs_ldif = os.path.join(self.ldapdir, "fedorads-linked-attributes.ldif") self.index_ldif = os.path.join(self.ldapdir, "fedorads-index.ldif") self.samba_ldif = os.path.join(self.ldapdir, "fedorads-samba.ldif") self.samba3_schema = setup_path( "../../examples/LDAP/samba.schema") self.samba3_ldif = os.path.join(self.ldapdir, "samba3.ldif") self.retcode = subprocess.call(["bin/oLschema2ldif", "-I", self.samba3_schema, "-O", self.samba3_ldif, "-b", self.names.domaindn], close_fds=True, shell=False) if self.retcode != 0: raise Exception("Unable to convert Samba 3 schema.") self.schema = Schema( self.domainsid, schemadn=self.names.schemadn, files=[setup_path("schema_samba4.ldif"), self.samba3_ldif], additional_prefixmap=["1000:1.3.6.1.4.1.7165.2.1", "1001:1.3.6.1.4.1.7165.2.2"]) def provision(self): from samba.provision import ProvisioningError, setup_path if self.ldap_backend_extra_port is not None: serverport = "ServerPort=%d" % self.ldap_backend_extra_port else: serverport = "" setup_file(setup_path("fedorads.inf"), self.fedoradsinf, {"ROOT": self.root, "HOSTNAME": self.hostname, "DNSDOMAIN": self.names.dnsdomain, "LDAPDIR": self.ldapdir, "DOMAINDN": self.names.domaindn, "LDAP_INSTANCE": self.ldap_instance, "LDAPMANAGERDN": self.names.ldapmanagerdn, "LDAPMANAGERPASS": self.ldapadminpass, "SERVERPORT": serverport}) setup_file(setup_path("fedorads-partitions.ldif"), self.partitions_ldif, {"CONFIGDN": self.names.configdn, "SCHEMADN": self.names.schemadn, "SAMBADN": self.sambadn, }) setup_file(setup_path("fedorads-sasl.ldif"), self.sasl_ldif, {"SAMBADN": self.sambadn, }) setup_file(setup_path("fedorads-dna.ldif"), self.dna_ldif, {"DOMAINDN": self.names.domaindn, "SAMBADN": self.sambadn, "DOMAINSID": str(self.domainsid), }) setup_file(setup_path("fedorads-pam.ldif"), self.pam_ldif) lnkattr = self.schema.linked_attributes() f = open(setup_path("fedorads-refint-delete.ldif"), 'r') try: refint_config = f.read() finally: f.close() memberof_config = "" index_config = "" argnum = 3 for attr in lnkattr.keys(): if lnkattr[attr] is not None: refint_config += read_and_sub_file( setup_path("fedorads-refint-add.ldif"), { "ARG_NUMBER" : str(argnum), "LINK_ATTR" : attr }) memberof_config += read_and_sub_file( setup_path("fedorads-linked-attributes.ldif"), { "MEMBER_ATTR" : attr, "MEMBEROF_ATTR" : lnkattr[attr] }) index_config += read_and_sub_file( setup_path("fedorads-index.ldif"), { "ATTR" : attr }) argnum += 1 f = open(self.refint_ldif, 'w') try: f.write(refint_config) finally: f.close() f = open(self.linked_attrs_ldif, 'w') try: f.write(memberof_config) finally: f.close() attrs = ["lDAPDisplayName"] res = self.schema.ldb.search( expression="(&(objectclass=attributeSchema)" "(searchFlags:1.2.840.113556.1.4.803:=1))", base=self.names.schemadn, scope=SCOPE_ONELEVEL, attrs=attrs) for i in range(0, len(res)): attr = res[i]["lDAPDisplayName"][0] if attr == "objectGUID": attr = "nsUniqueId" index_config += read_and_sub_file( setup_path("fedorads-index.ldif"), { "ATTR" : attr }) f = open(self.index_ldif, 'w') try: f.write(index_config) finally: f.close() setup_file(setup_path("fedorads-samba.ldif"), self.samba_ldif, { "SAMBADN": self.sambadn, "LDAPADMINPASS": self.ldapadminpass }) mapping = "schema-map-fedora-ds-1.0" backend_schema = "99_ad.ldif" # Build a schema file in Fedora DS format f = open(setup_path(mapping), 'r') try: backend_schema_data = self.schema.convert_to_openldap("fedora-ds", f.read()) finally: f.close() assert backend_schema_data is not None f = open(os.path.join(self.ldapdir, backend_schema), 'w') try: f.write(backend_schema_data) finally: f.close() self.credentials.set_bind_dn(self.names.ldapmanagerdn) # Destory the target directory, or else setup-ds.pl will complain fedora_ds_dir = os.path.join(self.ldapdir, "slapd-" + self.ldap_instance) shutil.rmtree(fedora_ds_dir, True) self.slapd_provision_command = [self.slapd_path, "-D", fedora_ds_dir, "-i", self.slapd_pid] # In the 'provision' command line, stay in the foreground so we can # easily kill it self.slapd_provision_command.append("-d0") #the command for the final run is the normal script self.slapd_command = [os.path.join(self.ldapdir, "slapd-" + self.ldap_instance, "start-slapd")] # If we were just looking for crashes up to this point, it's a # good time to exit before we realise we don't have Fedora DS on if self.ldap_dryrun_mode: sys.exit(0) # Try to print helpful messages when the user has not specified the # path to the setup-ds tool if self.setup_ds_path is None: raise ProvisioningError("Fedora DS LDAP-Backend must be setup with path to setup-ds, e.g. --setup-ds-path=\"/usr/sbin/setup-ds.pl\"!") if not os.path.exists(self.setup_ds_path): self.logger.warning("Path (%s) to slapd does not exist!", self.setup_ds_path) # Run the Fedora DS setup utility retcode = subprocess.call([self.setup_ds_path, "--silent", "--file", self.fedoradsinf], close_fds=True, shell=False) if retcode != 0: raise ProvisioningError("setup-ds failed") # Load samba-admin retcode = subprocess.call([ os.path.join(self.ldapdir, "slapd-" + self.ldap_instance, "ldif2db"), "-s", self.sambadn, "-i", self.samba_ldif], close_fds=True, shell=False) if retcode != 0: raise ProvisioningError("ldif2db failed") def post_setup(self): ldapi_db = Ldb(self.ldap_uri, credentials=self.credentials) # configure in-directory access control on Fedora DS via the aci # attribute (over a direct ldapi:// socket) aci = """(targetattr = "*") (version 3.0;acl "full access to all by samba-admin";allow (all)(userdn = "ldap:///CN=samba-admin,%s");)""" % self.sambadn m = ldb.Message() m["aci"] = ldb.MessageElement([aci], ldb.FLAG_MOD_REPLACE, "aci") for dnstring in (self.names.domaindn, self.names.configdn, self.names.schemadn): m.dn = ldb.Dn(ldapi_db, dnstring) ldapi_db.modify(m) return LDAPBackendResult(self.credentials, self.slapd_command_escaped, self.ldapdir)