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Diffstat (limited to 'source4/scripting/python/samba/provision/backend.py')
| -rw-r--r-- | source4/scripting/python/samba/provision/backend.py | 772 |
1 files changed, 772 insertions, 0 deletions
diff --git a/source4/scripting/python/samba/provision/backend.py b/source4/scripting/python/samba/provision/backend.py new file mode 100644 index 0000000000..f9dbba85f6 --- /dev/null +++ b/source4/scripting/python/samba/provision/backend.py @@ -0,0 +1,772 @@ +# +# Unix SMB/CIFS implementation. +# backend code for provisioning a Samba4 server + +# Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2008 +# 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 (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 ProvisionBackend(object): + def __init__(self, backend_type, paths=None, lp=None, + credentials=None, names=None, logger=None): + """Provision a backend for samba4""" + self.paths = paths + self.lp = lp + self.credentials = credentials + 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.""" + raise NotImplementedError(self.post_setup) + + +class LDBBackend(ProvisionBackend): + + def init(self): + self.credentials = None + self.secrets_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, + credentials=None, names=None, logger=None, ldapi_uri=None): + + super(ExistingBackend, self).__init__(backend_type=backend_type, + paths=paths, lp=lp, + credentials=credentials, 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, 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, with valid credentials supplied This caused them to be set + # into the long-term database later in the script. + self.secrets_credentials = self.credentials + + # 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, + credentials=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, + credentials=credentials, 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: + p = f.read() + 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 + self.credentials.set_kerberos_state(DONT_USE_KERBEROS) + self.credentials.set_password(self.ldapadminpass) + + self.secrets_credentials = Credentials() + self.secrets_credentials.guess(self.lp) + # Kerberos to an ldapi:// backend makes no sense + self.secrets_credentials.set_kerberos_state(DONT_USE_KERBEROS) + self.secrets_credentials.set_username("samba-admin") + self.secrets_credentials.set_password(self.ldapadminpass) + + self.provision() + + def provision(self): + pass + + def start(self): + from samba.provision import ProvisioningError + self.slapd_command_escaped = "\'" + "\' \'".join(self.slapd_command) + "\'" + f = open(os.path.join(self.ldapdir, "ldap_backend_startup.sh"), 'w') + try: + f.write("#!/bin/sh\n" + self.slapd_command_escaped + "\n") + finally: + f.close() + + # 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: + 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: + time.sleep(1) + 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): + pass + + +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, + 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_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_config(self, dbdir): + """Setup a Berkeley database. + + :param dbdir: Database directory. + """ + from samba.provision import setup_path + if not os.path.isdir(os.path.join(dbdir, "bdb-logs")): + os.makedirs(os.path.join(dbdir, "bdb-logs"), 0700) + if not os.path.isdir(os.path.join(dbdir, "tmp")): + os.makedirs(os.path.join(dbdir, "tmp"), 0700) + + setup_file(setup_path("DB_CONFIG"), + os.path.join(dbdir, "DB_CONFIG"), {"LDAPDBDIR": dbdir}) + + 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_user_config = "" + + 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_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_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, + "NOSYNC": nosync_config}) + + self.setup_db_config(os.path.join(self.ldapdir, "db", "user")) + self.setup_db_config(os.path.join(self.ldapdir, "db", "config")) + self.setup_db_config(os.path.join(self.ldapdir, "db", "schema")) + + if not os.path.exists(os.path.join(self.ldapdir, "db", "samba", "cn=samba")): + os.makedirs(os.path.join(self.ldapdir, "db", "samba", "cn=samba"), 0700) + + setup_file(setup_path("cn=samba.ldif"), + os.path.join(self.ldapdir, "db", "samba", "cn=samba.ldif"), + { "UUID": str(uuid.uuid4()), + "LDAPTIME": timestring(int(time.time()))} ) + setup_file(setup_path("cn=samba-admin.ldif"), + os.path.join(self.ldapdir, "db", "samba", "cn=samba", "cn=samba-admin.ldif"), + {"LDAPADMINPASS_B64": b64encode(self.ldapadminpass), + "UUID": str(uuid.uuid4()), + "LDAPTIME": timestring(int(time.time()))} ) + + if self.ol_mmr_urls is not None: + setup_file(setup_path("cn=replicator.ldif"), + os.path.join(self.ldapdir, "db", "samba", "cn=samba", "cn=replicator.ldif"), + {"MMR_PASSWORD_B64": b64encode(mmr_pass), + "UUID": str(uuid.uuid4()), + "LDAPTIME": timestring(int(time.time()))} ) + + mapping = "schema-map-openldap-2.3" + backend_schema = "backend-schema.schema" + + f = open(setup_path(mapping), 'r') + backend_schema_data = self.schema.convert_to_openldap( + "openldap", f.read()) + 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) + + # Set the username - done here because Fedora DS still uses the admin + # DN and simple bind + self.credentials.set_username("samba-admin") + + # 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) + + +class FDSBackend(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, root=None, + setup_ds_path=None): + + from samba.provision import setup_path + + super(FDSBackend, self).__init__(backend_type=backend_type, + paths=paths, 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_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() + + refint_config = open(setup_path("fedorads-refint-delete.ldif"), 'r').read() + 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 + + open(self.refint_ldif, 'w').write(refint_config) + open(self.linked_attrs_ldif, 'w').write(memberof_config) + + 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 }) + + open(self.index_ldif, 'w').write(index_config) + + 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 + backend_schema_data = self.schema.convert_to_openldap("fedora-ds", + open(setup_path(mapping), 'r').read()) + 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) |