Move python modules from source4/scripting/python/ to python/.

Reviewed-by: Andrew Bartlett <abartlet@samba.org>

Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Sat Mar  2 03:57:34 CET 2013 on sn-devel-104

1 files changed, 840 insertions, 0 deletions

diff --git a/python/samba/provision/backend.py b/python/samba/provision/backend.py
new file mode 100644
index 0000000000..f88b0db89c
--- /dev/null
+++ b/python/samba/provision/backend.py
@@ -0,0 +1,840 @@
+#
+# 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 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, credentials, slapd_command_escaped, ldapdir):
+        self.credentials = credentials
+        self.slapd_command_escaped = slapd_command_escaped
+        self.ldapdir = ldapdir
+
+    def report_logger(self, logger):
+        if self.credentials.get_bind_dn() is not None:
+            logger.info("LDAP Backend Admin DN: %s" %
+                self.credentials.get_bind_dn())
+        else:
+            logger.info("LDAP Admin User:       %s" %
+                self.credentials.get_username())
+
+        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,
+            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.
+
+        :return: A BackendResult or None
+        """
+        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=True):
+
+        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:
+                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
+        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):
+        return LDAPBackendResult(self.credentials, 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=True,
+            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')
+        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)
+
+        # 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=True, 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()
+
+        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)