samba-mirror/source4/setup/provision

#!/usr/bin/env python
#
# Unix SMB/CIFS implementation.
# provision a Samba4 server
# Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2008
# Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008
#
# 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 <http://www.gnu.org/licenses/>.
#

import optparse
import sys
import tempfile

# Find right directory when running from source tree
sys.path.insert(0, "bin/python")

import samba
import samba.ntacls
from samba.credentials import DONT_USE_KERBEROS
from samba.auth import system_session
import samba.getopt as options
from samba.provision import provision, FILL_FULL, FILL_NT4SYNC, FILL_DRS, find_setup_dir
from samba.dsdb import (
	DS_DOMAIN_FUNCTION_2003,
	DS_DOMAIN_FUNCTION_2008,
	DS_DOMAIN_FUNCTION_2008_R2,
	)
from samba.provisionexceptions import ProvisioningError

# how do we make this case insensitive??

parser = optparse.OptionParser("provision [options]")
sambaopts = options.SambaOptions(parser)
parser.add_option_group(sambaopts)
parser.add_option_group(options.VersionOptions(parser))
credopts = options.CredentialsOptions(parser)
parser.add_option_group(credopts)
parser.add_option("--interactive", help="Ask for names", action="store_true")
parser.add_option("--setupdir", type="string", metavar="DIR", 
		help="directory with setup files")
parser.add_option("--realm", type="string", metavar="REALM", help="set realm")
parser.add_option("--domain", type="string", metavar="DOMAIN",
				  help="set domain")
parser.add_option("--domain-guid", type="string", metavar="GUID", 
		help="set domainguid (otherwise random)")
parser.add_option("--domain-sid", type="string", metavar="SID", 
		help="set domainsid (otherwise random)")
parser.add_option("--policy-guid", type="string", metavar="GUID",
				  help="set guid for domain policy")
parser.add_option("--policy-guid-dc", type="string", metavar="GUID",
				  help="set guid for domain controller policy")
parser.add_option("--ntds-guid", type="string", metavar="GUID", 
		  help="set NTDS object GUID (otherwise random)")
parser.add_option("--invocationid", type="string", metavar="GUID", 
		  help="set invocationid (otherwise random)")
parser.add_option("--host-name", type="string", metavar="HOSTNAME", 
		help="set hostname")
parser.add_option("--host-ip", type="string", metavar="IPADDRESS", 
		help="set IPv4 ipaddress")
parser.add_option("--host-ip6", type="string", metavar="IP6ADDRESS", 
		help="set IPv6 ipaddress")
parser.add_option("--adminpass", type="string", metavar="PASSWORD", 
		help="choose admin password (otherwise random)")
parser.add_option("--krbtgtpass", type="string", metavar="PASSWORD", 
		help="choose krbtgt password (otherwise random)")
parser.add_option("--machinepass", type="string", metavar="PASSWORD", 
		help="choose machine password (otherwise random)")
parser.add_option("--dnspass", type="string", metavar="PASSWORD", 
		help="choose dns password (otherwise random)")
parser.add_option("--ldapadminpass", type="string", metavar="PASSWORD", 
		help="choose password to set between Samba and it's LDAP backend (otherwise random)")
parser.add_option("--root", type="string", metavar="USERNAME", 
		help="choose 'root' unix username")
parser.add_option("--nobody", type="string", metavar="USERNAME", 
		help="choose 'nobody' user")
parser.add_option("--wheel", type="string", metavar="GROUPNAME", 
		help="choose 'wheel' privileged group")
parser.add_option("--users", type="string", metavar="GROUPNAME", 
		help="choose 'users' group")
parser.add_option("--quiet", help="Be quiet", action="store_true")
parser.add_option("--blank", action="store_true",
		help="do not add users or groups, just the structure")
parser.add_option("--ldap-backend-extra-port", type="int", metavar="LDAP-BACKEND-EXTRA-PORT", 
		help="Additional TCP port for LDAP backend server (to use for replication)")
parser.add_option("--ldap-backend-type", type="choice", metavar="LDAP-BACKEND-TYPE", 
		help="LDAP backend type (fedora-ds or openldap)",
		choices=["fedora-ds", "openldap"])
parser.add_option("--ldap-backend-nosync", help="Configure LDAP backend not to call fsync() (for performance in test environments)", action="store_true")
parser.add_option("--server-role", type="choice", metavar="ROLE",
		  choices=["domain controller", "dc", "member server", "member", "standalone"],
		help="The server role (domain controller | dc | member server | member | standalone). Default is standalone.")
parser.add_option("--function-level", type="choice", metavar="FOR-FUN-LEVEL",
		  choices=["2003", "2008", "2008_R2"],
		help="The domain and forest function level (2003 | 2008 | 2008_R2). Default is (Windows) 2003 (Native).")
parser.add_option("--partitions-only", 
		help="Configure Samba's partitions, but do not modify them (ie, join a BDC)", action="store_true")
parser.add_option("--targetdir", type="string", metavar="DIR", 
		          help="Set target directory")
parser.add_option("--ol-mmr-urls", type="string", metavar="LDAPSERVER",
                help="List of LDAP-URLS [ ldap://<FQHN>:<PORT>/  (where <PORT> has to be different than 389!) ] separated with comma (\",\") for use with OpenLDAP-MMR (Multi-Master-Replication), e.g.: \"ldap://s4dc1:9000,ldap://s4dc2:9000\"")
parser.add_option("--slapd-path", type="string", metavar="SLAPD-PATH", 
		help="Path to slapd for LDAP backend [e.g.:'/usr/local/libexec/slapd']. Required for Setup with LDAP-Backend. OpenLDAP Version >= 2.4.17 should be used.") 
parser.add_option("--setup-ds-path", type="string", metavar="SETUP_DS-PATH", 
		help="Path to setup-ds.pl script for Fedora DS LDAP backend [e.g.:'/usr/sbin/setup-ds.pl']. Required for Setup with Fedora DS backend.") 
parser.add_option("--nosync", help="Configure LDAP backend not to call fsync() (for performance in test environments)", action="store_true")
parser.add_option("--use-xattrs", type="choice", choices=["yes","no","auto"], help="Define if we should use the native fs capabilities or a tdb file for storing attributes likes ntacl, auto tries to make an inteligent guess based on the user rights and system capabilities")
parser.add_option("--ldap-dryrun-mode", help="Configure LDAP backend, but do not run any binaries and exit early.  Used only for the test environment.  DO NOT USE", action="store_true")

opts = parser.parse_args()[0]

def message(text):
	"""print a message if quiet is not set."""
	if not opts.quiet:
		print text

if len(sys.argv) == 1:
	opts.interactive = True

if opts.interactive:
	from getpass import getpass
	import socket
	def ask(prompt, default=None):
		if default is not None:
			print "%s [%s]: " % (prompt,default),
		else:
			print "%s: " % (prompt,),
		return sys.stdin.readline().rstrip("\n") or default
	try:
		default = socket.getfqdn().split(".", 1)[1].upper()
	except IndexError:
		default = None
	opts.realm = ask("Realm", default)
	if opts.realm in (None, ""):
		print >>sys.stderr, "No realm set!"
		sys.exit(1)

	try:
		default = opts.realm.split(".")[0]
	except IndexError:
		default = None
	opts.domain = ask("Domain", default)
	if opts.domain is None:
		print >> sys.stderr, "No domain set!"
		sys.exit(1)

	opts.server_role = ask("Server Role (dc, member, standalone)", "dc")
	for i in range(3):
		opts.adminpass = getpass("Administrator password: ")
		if not opts.adminpass:
			print >>sys.stderr, "Invalid administrator password."
		else:
			break
else:
	if opts.realm is None or opts.domain is None:
		if opts.realm is None:
			print >>sys.stderr, "No realm set!"
		if opts.domain is None:
			print >> sys.stderr, "No domain set!"
		parser.print_usage()
		sys.exit(1)

if not opts.adminpass:
	message("Administrator password will be set randomly!")

lp = sambaopts.get_loadparm()
smbconf = lp.configfile

if opts.server_role == "dc":
	server_role = "domain controller"
elif opts.server_role == "member":
	server_role = "member server"
else:
	server_role = opts.server_role

if opts.function_level is None:
	dom_for_fun_level = None
elif opts.function_level == "2003":
	dom_for_fun_level = DS_DOMAIN_FUNCTION_2003
elif opts.function_level == "2008":
	dom_for_fun_level = DS_DOMAIN_FUNCTION_2008
elif opts.function_level == "2008_R2":
	dom_for_fun_level = DS_DOMAIN_FUNCTION_2008_R2

creds = credopts.get_credentials(lp)

creds.set_kerberos_state(DONT_USE_KERBEROS)

setup_dir = opts.setupdir
if setup_dir is None:
	setup_dir = find_setup_dir()

samdb_fill = FILL_FULL
if opts.blank:
    samdb_fill = FILL_NT4SYNC
elif opts.partitions_only:
    samdb_fill = FILL_DRS

if not opts.use_xattrs:
	opts.use_xattrs="auto"

eadb = True
if opts.use_xattrs == "yes":
	eadb = False
elif opts.use_xattrs == "auto":
	file=tempfile.NamedTemporaryFile()
	try:
		samba.ntacls.setntacl(lp,file.name,"O:S-1-5-32G:S-1-5-32","S-1-5-32","native")
		eadb = False
	except:
		if lp.get("posix:eadb") == None:
			message("Notice: you are not root or your system do not support xattr, tdb backend for attributes has been selected")
			message(" if you intend to use this provision in production you'd better rerun the script as root on a system supporting xattr")
	file.close()


session = system_session()
try:
	provision(setup_dir, message,
		  session, creds, smbconf=smbconf, targetdir=opts.targetdir,
		  samdb_fill=samdb_fill, realm=opts.realm, domain=opts.domain,
		  domainguid=opts.domain_guid, domainsid=opts.domain_sid,
		  policyguid=opts.policy_guid, policyguid_dc=opts.policy_guid_dc,
		  hostname=opts.host_name,
		  hostip=opts.host_ip, hostip6=opts.host_ip6,
		  ntdsguid=opts.ntds_guid,
		  invocationid=opts.invocationid, adminpass=opts.adminpass,
		  krbtgtpass=opts.krbtgtpass, machinepass=opts.machinepass,
		  dnspass=opts.dnspass, root=opts.root, nobody=opts.nobody,
		  wheel=opts.wheel, users=opts.users,
		  serverrole=server_role, dom_for_fun_level=dom_for_fun_level,
		  ldap_backend_extra_port=opts.ldap_backend_extra_port,
		  backend_type=opts.ldap_backend_type,
		  ldapadminpass=opts.ldapadminpass, ol_mmr_urls=opts.ol_mmr_urls,
		  slapd_path=opts.slapd_path, setup_ds_path=opts.setup_ds_path,
		  nosync=opts.nosync,ldap_dryrun_mode=opts.ldap_dryrun_mode,useeadb=eadb)
except ProvisioningError, e:
	print str(e)
	exit(1)