# # 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 samba.compat import urllib_quote 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 as 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, 0o700) # 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, 0o755) # 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, 0o700) 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, 0o770) # 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_backend_forced_uri=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)