source4/setup/provision

   1 #!/usr/bin/env python
   2 #
   3 # Unix SMB/CIFS implementation.
   4 # provision a Samba4 server
   5 # Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2008
   6 # Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008
   7 #
   8 # Based on the original in EJS:
   9 # Copyright (C) Andrew Tridgell 2005
  10 #
  11 # This program is free software; you can redistribute it and/or modify
  12 # it under the terms of the GNU General Public License as published by
  13 # the Free Software Foundation; either version 3 of the License, or
  14 # (at your option) any later version.
  15 #
  16 # This program is distributed in the hope that it will be useful,
  17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 # GNU General Public License for more details.
  20 #
  21 # You should have received a copy of the GNU General Public License
  22 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23 #
  24
  25 import logging
  26 import optparse
  27 import sys
  28 import tempfile
  29
  30 # Find right directory when running from source tree
  31 sys.path.insert(0, "bin/python")
  32
  33 import samba
  34 import samba.ntacls
  35 from samba.credentials import DONT_USE_KERBEROS
  36 from samba.auth import system_session
  37 import samba.getopt as options
  38 from samba.provision import provision, FILL_FULL, FILL_NT4SYNC, FILL_DRS, ProvisioningError
  39 from samba.dsdb import (
  40         DS_DOMAIN_FUNCTION_2000,
  41         DS_DOMAIN_FUNCTION_2003,
  42         DS_DOMAIN_FUNCTION_2008,
  43         DS_DOMAIN_FUNCTION_2008_R2,
  44         )
  45
  46 # how do we make this case insensitive??
  47
  48 parser = optparse.OptionParser("provision [options]")
  49 sambaopts = options.SambaOptions(parser)
  50 parser.add_option_group(sambaopts)
  51 parser.add_option_group(options.VersionOptions(parser))
  52 credopts = options.CredentialsOptions(parser)
  53 parser.add_option_group(credopts)
  54 parser.add_option("--interactive", help="Ask for names", action="store_true")
  55 parser.add_option("--domain", type="string", metavar="DOMAIN",
  56                                   help="set domain")
  57 parser.add_option("--domain-guid", type="string", metavar="GUID",
  58                 help="set domainguid (otherwise random)")
  59 parser.add_option("--domain-sid", type="string", metavar="SID",
  60                 help="set domainsid (otherwise random)")
  61 parser.add_option("--ntds-guid", type="string", metavar="GUID",
  62                   help="set NTDS object GUID (otherwise random)")
  63 parser.add_option("--invocationid", type="string", metavar="GUID",
  64                   help="set invocationid (otherwise random)")
  65 parser.add_option("--host-name", type="string", metavar="HOSTNAME",
  66                 help="set hostname")
  67 parser.add_option("--host-ip", type="string", metavar="IPADDRESS",
  68                 help="set IPv4 ipaddress")
  69 parser.add_option("--host-ip6", type="string", metavar="IP6ADDRESS",
  70                 help="set IPv6 ipaddress")
  71 parser.add_option("--adminpass", type="string", metavar="PASSWORD",
  72                 help="choose admin password (otherwise random)")
  73 parser.add_option("--krbtgtpass", type="string", metavar="PASSWORD",
  74                 help="choose krbtgt password (otherwise random)")
  75 parser.add_option("--machinepass", type="string", metavar="PASSWORD",
  76                 help="choose machine password (otherwise random)")
  77 parser.add_option("--dnspass", type="string", metavar="PASSWORD",
  78                 help="choose dns password (otherwise random)")
  79 parser.add_option("--ldapadminpass", type="string", metavar="PASSWORD",
  80                 help="choose password to set between Samba and it's LDAP backend (otherwise random)")
  81 parser.add_option("--root", type="string", metavar="USERNAME",
  82                 help="choose 'root' unix username")
  83 parser.add_option("--nobody", type="string", metavar="USERNAME",
  84                 help="choose 'nobody' user")
  85 parser.add_option("--wheel", type="string", metavar="GROUPNAME",
  86                 help="choose 'wheel' privileged group")
  87 parser.add_option("--users", type="string", metavar="GROUPNAME",
  88                 help="choose 'users' group")
  89 parser.add_option("--quiet", help="Be quiet", action="store_true")
  90 parser.add_option("--blank", action="store_true",
  91                 help="do not add users or groups, just the structure")
  92 parser.add_option("--ldap-backend-extra-port", type="int", metavar="LDAP-BACKEND-EXTRA-PORT",
  93                 help="Additional TCP port for LDAP backend server (to use for replication)")
  94 parser.add_option("--ldap-backend-forced-uri", type="string", metavar="LDAP-BACKEND-FORCED-URI",
  95                 help="Force the LDAP backend connection to be to a particular URI.  Use this ONLY for 'existing' backends, or when debugging the interaction with the LDAP backend and you need to intercept the LDAP traffic")
  96 parser.add_option("--ldap-backend-type", type="choice", metavar="LDAP-BACKEND-TYPE",
  97                 help="LDAP backend type (fedora-ds or openldap)",
  98                 choices=["fedora-ds", "openldap"])
  99 parser.add_option("--ldap-backend-nosync", help="Configure LDAP backend not to call fsync() (for performance in test environments)", action="store_true")
 100 parser.add_option("--server-role", type="choice", metavar="ROLE",
 101                   choices=["domain controller", "dc", "member server", "member", "standalone"],
 102                 help="The server role (domain controller | dc | member server | member | standalone). Default is standalone.")
 103 parser.add_option("--function-level", type="choice", metavar="FOR-FUN-LEVEL",
 104                   choices=["2000", "2003", "2008", "2008_R2"],
 105                 help="The domain and forest function level (2000 | 2003 | 2008 | 2008_R2 - always native). Default is (Windows) 2003 Native.")
 106 parser.add_option("--next-rid", type="int", metavar="NEXTRID", default=1000,
 107                 help="The initial nextRid value (only needed for upgrades).  Default is 1000.")
 108 parser.add_option("--partitions-only",
 109                 help="Configure Samba's partitions, but do not modify them (ie, join a BDC)", action="store_true")
 110 parser.add_option("--targetdir", type="string", metavar="DIR",
 111                           help="Set target directory")
 112 parser.add_option("--ol-mmr-urls", type="string", metavar="LDAPSERVER",
 113                 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\"")
 114 parser.add_option("--slapd-path", type="string", metavar="SLAPD-PATH",
 115                 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.")
 116 parser.add_option("--setup-ds-path", type="string", metavar="SETUP_DS-PATH",
 117                 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.")
 118 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", default="auto")
 119 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")
 120
 121 opts = parser.parse_args()[0]
 122
 123 logger = logging.getLogger("provision")
 124 logger.addHandler(logging.StreamHandler(sys.stdout))
 125 if opts.quiet:
 126         logger.setLevel(logging.WARNING)
 127 else:
 128         logger.setLevel(logging.INFO)
 129
 130 if len(sys.argv) == 1:
 131         opts.interactive = True
 132
 133 if opts.interactive:
 134         from getpass import getpass
 135         import socket
 136         def ask(prompt, default=None):
 137                 if default is not None:
 138                         print "%s [%s]: " % (prompt,default),
 139                 else:
 140                         print "%s: " % (prompt,),
 141                 return sys.stdin.readline().rstrip("\n") or default
 142         try:
 143                 default = socket.getfqdn().split(".", 1)[1].upper()
 144         except IndexError:
 145                 default = None
 146         opts.realm = ask("Realm", default)
 147         if opts.realm in (None, ""):
 148                 print >>sys.stderr, "No realm set!"
 149                 sys.exit(1)
 150
 151         try:
 152                 default = opts.realm.split(".")[0]
 153         except IndexError:
 154                 default = None
 155         opts.domain = ask("Domain", default)
 156         if opts.domain is None:
 157                 print >> sys.stderr, "No domain set!"
 158                 sys.exit(1)
 159
 160         opts.server_role = ask("Server Role (dc, member, standalone)", "dc")
 161         for i in range(3):
 162                 opts.adminpass = getpass("Administrator password: ")
 163                 if not opts.adminpass:
 164                         print >>sys.stderr, "Invalid administrator password."
 165                 else:
 166                         break
 167 else:
 168         if opts.realm in (None, ""):
 169                 opts.realm = sambaopts._lp.get('realm')
 170         if opts.realm is None or opts.domain is None:
 171                 if opts.realm is None:
 172                         print >>sys.stderr, "No realm set!"
 173                 if opts.domain is None:
 174                         print >> sys.stderr, "No domain set!"
 175                 parser.print_usage()
 176                 sys.exit(1)
 177
 178 if not opts.adminpass:
 179         logger.info("Administrator password will be set randomly!")
 180
 181 lp = sambaopts.get_loadparm()
 182 smbconf = lp.configfile
 183
 184 if opts.server_role == "dc":
 185         server_role = "domain controller"
 186 elif opts.server_role == "member":
 187         server_role = "member server"
 188 else:
 189         server_role = opts.server_role
 190
 191 if opts.function_level is None:
 192         dom_for_fun_level = None
 193 elif opts.function_level == "2000":
 194         dom_for_fun_level = DS_DOMAIN_FUNCTION_2000
 195 elif opts.function_level == "2003":
 196         dom_for_fun_level = DS_DOMAIN_FUNCTION_2003
 197 elif opts.function_level == "2008":
 198         dom_for_fun_level = DS_DOMAIN_FUNCTION_2008
 199 elif opts.function_level == "2008_R2":
 200         dom_for_fun_level = DS_DOMAIN_FUNCTION_2008_R2
 201
 202 creds = credopts.get_credentials(lp)
 203
 204 creds.set_kerberos_state(DONT_USE_KERBEROS)
 205
 206 samdb_fill = FILL_FULL
 207 if opts.blank:
 208     samdb_fill = FILL_NT4SYNC
 209 elif opts.partitions_only:
 210     samdb_fill = FILL_DRS
 211
 212 eadb = True
 213 if opts.use_xattrs == "yes":
 214         eadb = False
 215 elif opts.use_xattrs == "auto" and not lp.get("posix:eadb"):
 216         file = tempfile.NamedTemporaryFile()
 217         try:
 218                 samba.ntacls.setntacl(lp, file.name,
 219                         "O:S-1-5-32G:S-1-5-32", "S-1-5-32", "native")
 220                 eadb = False
 221         except:
 222                 logger.info("You are not root or your system do not support xattr, using tdb backend for attributes. "
 223                             "If you intend to use this provision in production, rerun the script as root on a system supporting xattrs.")
 224         file.close()
 225
 226
 227 if opts.ldap_backend_type == "existing":
 228         if opts.ldap_backend_forced_uri is not None:
 229                 logger.warn("You have specified to use an existing LDAP server as the backend, please make sure an LDAP server is running at %s" % opts.ldap_backend_forced_uri)
 230         else:
 231                 logger.info("You have specified to use an existing LDAP server as the backend, please make sure an LDAP server is running at the default location")
 232 else:
 233         if opts.ldap_backend_forced_uri is not None:
 234                 logger.warn("You have specified to use an fixed URI %s for connecting to your LDAP server backend.  This is NOT RECOMMENDED, as our default communiation over ldapi:// is more secure and much less prone to unexpected failure or interaction" % opts.ldap_backend_forced_uri)
 235
 236 session = system_session()
 237 try:
 238         provision(logger,
 239                   session, creds, smbconf=smbconf, targetdir=opts.targetdir,
 240                   samdb_fill=samdb_fill, realm=opts.realm, domain=opts.domain,
 241                   domainguid=opts.domain_guid, domainsid=opts.domain_sid,
 242                   hostname=opts.host_name,
 243                   hostip=opts.host_ip, hostip6=opts.host_ip6,
 244                   ntdsguid=opts.ntds_guid,
 245                   invocationid=opts.invocationid, adminpass=opts.adminpass,
 246                   krbtgtpass=opts.krbtgtpass, machinepass=opts.machinepass,
 247                   dnspass=opts.dnspass, root=opts.root, nobody=opts.nobody,
 248                   wheel=opts.wheel, users=opts.users,
 249                   serverrole=server_role, dom_for_fun_level=dom_for_fun_level,
 250                   ldap_backend_extra_port=opts.ldap_backend_extra_port,
 251                   ldap_backend_forced_uri=opts.ldap_backend_forced_uri,
 252                   backend_type=opts.ldap_backend_type,
 253                   ldapadminpass=opts.ldapadminpass, ol_mmr_urls=opts.ol_mmr_urls,
 254                   slapd_path=opts.slapd_path, setup_ds_path=opts.setup_ds_path,
 255                   nosync=opts.ldap_backend_nosync, ldap_dryrun_mode=opts.ldap_dryrun_mode,
 256                   useeadb=eadb, next_rid=opts.next_rid, lp=lp)
 257 except ProvisioningError, e:
 258         print str(e)
 259         exit(1)