source4/scripting/python/samba/provision.py

   1 #
   2 # Unix SMB/CIFS implementation.
   3 # backend code for provisioning a Samba4 server
   4
   5 # Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2008
   6 # Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008-2009
   7 # Copyright (C) Oliver Liebel <oliver@itc.li> 2008-2009
   8 #
   9 # Based on the original in EJS:
  10 # Copyright (C) Andrew Tridgell <tridge@samba.org> 2005
  11 #
  12 # This program is free software; you can redistribute it and/or modify
  13 # it under the terms of the GNU General Public License as published by
  14 # the Free Software Foundation; either version 3 of the License, or
  15 # (at your option) any later version.
  16 #
  17 # This program is distributed in the hope that it will be useful,
  18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 # GNU General Public License for more details.
  21 #
  22 # You should have received a copy of the GNU General Public License
  23 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24 #
  25
  26 """Functions for setting up a Samba configuration."""
  27
  28 from base64 import b64encode
  29 import os
  30 import sys
  31 import pwd
  32 import grp
  33 import time
  34 import uuid, glue
  35 import socket
  36 import param
  37 import registry
  38 import samba
  39 import subprocess
  40 import ldb
  41
  42 import shutil
  43 from credentials import Credentials, DONT_USE_KERBEROS
  44 from auth import system_session, admin_session
  45 from samba import version, Ldb, substitute_var, valid_netbios_name
  46 from samba import check_all_substituted
  47 from samba import DS_DOMAIN_FUNCTION_2003, DS_DOMAIN_FUNCTION_2008, DS_DC_FUNCTION_2008
  48 from samba.samdb import SamDB
  49 from samba.idmap import IDmapDB
  50 from samba.dcerpc import security
  51 from samba.ndr import ndr_pack
  52 import urllib
  53 from ldb import SCOPE_SUBTREE, SCOPE_ONELEVEL, SCOPE_BASE, LdbError, timestring
  54 from ms_schema import read_ms_schema
  55 from ms_display_specifiers import read_ms_ldif
  56 from signal import SIGTERM
  57 from dcerpc.misc import SEC_CHAN_BDC, SEC_CHAN_WKSTA
  58
  59 __docformat__ = "restructuredText"
  60
  61 def find_setup_dir():
  62     """Find the setup directory used by provision."""
  63     dirname = os.path.dirname(__file__)
  64     if "/site-packages/" in dirname:
  65         prefix = "/".join(dirname[:dirname.index("/site-packages/")].split("/")[:-2])
  66         for suffix in ["share/setup", "share/samba/setup", "setup"]:
  67             ret = os.path.join(prefix, suffix)
  68             if os.path.isdir(ret):
  69                 return ret
  70     # In source tree
  71     ret = os.path.join(dirname, "../../../setup")
  72     if os.path.isdir(ret):
  73         return ret
  74     raise Exception("Unable to find setup directory.")
  75
  76 def get_schema_descriptor(domain_sid):
  77     sddl = "O:SAG:SAD:(A;CI;RPLCLORC;;;AU)(A;CI;RPWPCRCCLCLORCWOWDSW;;;SA)" \
  78            "(A;CI;RPWPCRCCDCLCLORCWOWDSDDTSW;;;SY)" \
  79            "(OA;;CR;1131f6ad-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
  80            "(OA;;CR;89e95b76-444d-4c62-991a-0facbeda640c;;ED)" \
  81            "(OA;;CR;1131f6ad-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
  82            "(OA;;CR;89e95b76-444d-4c62-991a-0facbeda640c;;BA)" \
  83            "S:(AU;SA;WPCCDCWOWDSDDTSW;;;WD)" \
  84            "(AU;CISA;WP;;;WD)(AU;SA;CR;;;BA)" \
  85            "(AU;SA;CR;;;DU)(OU;SA;CR;e12b56b6-0a95-11d1-adbb-00c04fd8d5cd;;WD)" \
  86            "(OU;SA;CR;45ec5156-db7e-47bb-b53f-dbeb2d03c40f;;WD)"
  87     sec = security.descriptor.from_sddl(sddl, domain_sid)
  88     return b64encode(ndr_pack(sec))
  89
  90 def get_config_descriptor(domain_sid):
  91     sddl = "O:EAG:EAD:(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
  92            "(OA;;CR;1131f6ab-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
  93            "(OA;;CR;1131f6ac-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
  94            "(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
  95            "(OA;;CR;1131f6ab-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
  96            "(OA;;CR;1131f6ac-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
  97            "(A;;RPLCLORC;;;AU)(A;CI;RPWPCRCCDCLCLORCWOWDSDDTSW;;;EA)" \
  98            "(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;SY)(A;CIIO;RPWPCRCCLCLORCWOWDSDSW;;;DA)" \
  99            "(OA;;CR;1131f6ad-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
 100            "(OA;;CR;89e95b76-444d-4c62-991a-0facbeda640c;;ED)" \
 101            "(OA;;CR;1131f6ad-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
 102            "(OA;;CR;89e95b76-444d-4c62-991a-0facbeda640c;;BA)" \
 103            "(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;S-1-5-21-3191434175-1265308384-3577286990-498)" \
 104            "S:(AU;SA;WPWOWD;;;WD)(AU;SA;CR;;;BA)(AU;SA;CR;;;DU)" \
 105            "(OU;SA;CR;45ec5156-db7e-47bb-b53f-dbeb2d03c40f;;WD)"
 106     sec = security.descriptor.from_sddl(sddl, domain_sid)
 107     return b64encode(ndr_pack(sec))
 108
 109
 110 DEFAULTSITE = "Default-First-Site-Name"
 111
 112 # Exception classes
 113
 114 class ProvisioningError(Exception):
 115     """A generic provision error."""
 116
 117 class InvalidNetbiosName(Exception):
 118     """A specified name was not a valid NetBIOS name."""
 119     def __init__(self, name):
 120         super(InvalidNetbiosName, self).__init__("The name '%r' is not a valid NetBIOS name" % name)
 121
 122
 123 class ProvisionPaths(object):
 124     def __init__(self):
 125         self.shareconf = None
 126         self.hklm = None
 127         self.hkcu = None
 128         self.hkcr = None
 129         self.hku = None
 130         self.hkpd = None
 131         self.hkpt = None
 132         self.samdb = None
 133         self.idmapdb = None
 134         self.secrets = None
 135         self.keytab = None
 136         self.dns_keytab = None
 137         self.dns = None
 138         self.winsdb = None
 139         self.private_dir = None
 140         self.ldapdir = None
 141         self.slapdconf = None
 142         self.modulesconf = None
 143         self.memberofconf = None
 144         self.fedoradsinf = None
 145         self.fedoradspartitions = None
 146         self.fedoradssasl = None
 147         self.olmmron = None
 148         self.olmmrserveridsconf = None
 149         self.olmmrsyncreplconf = None
 150         self.olcdir = None
 151         self.olslapd = None
 152         self.olcseedldif = None
 153
 154
 155 class ProvisionNames(object):
 156     def __init__(self):
 157         self.rootdn = None
 158         self.domaindn = None
 159         self.configdn = None
 160         self.schemadn = None
 161         self.sambadn = None
 162         self.ldapmanagerdn = None
 163         self.dnsdomain = None
 164         self.realm = None
 165         self.netbiosname = None
 166         self.domain = None
 167         self.hostname = None
 168         self.sitename = None
 169         self.smbconf = None
 170
 171
 172 class ProvisionResult(object):
 173     def __init__(self):
 174         self.paths = None
 175         self.domaindn = None
 176         self.lp = None
 177         self.samdb = None
 178
 179 class Schema(object):
 180     def __init__(self, setup_path, domain_sid, schemadn=None,
 181                  serverdn=None, sambadn=None, ldap_backend_type=None):
 182         """Load schema for the SamDB from the AD schema files and samba4_schema.ldif
 183
 184         :param samdb: Load a schema into a SamDB.
 185         :param setup_path: Setup path function.
 186         :param schemadn: DN of the schema
 187         :param serverdn: DN of the server
 188
 189         Returns the schema data loaded, to avoid double-parsing when then needing to add it to the db
 190         """
 191
 192         self.ldb = Ldb()
 193         self.schema_data = read_ms_schema(setup_path('ad-schema/MS-AD_Schema_2K8_Attributes.txt'),
 194                                           setup_path('ad-schema/MS-AD_Schema_2K8_Classes.txt'))
 195         self.schema_data += open(setup_path("schema_samba4.ldif"), 'r').read()
 196         self.schema_data = substitute_var(self.schema_data, {"SCHEMADN": schemadn})
 197         check_all_substituted(self.schema_data)
 198
 199         self.schema_dn_modify = read_and_sub_file(setup_path("provision_schema_basedn_modify.ldif"),
 200                                                   {"SCHEMADN": schemadn,
 201                                                    "SERVERDN": serverdn,
 202                                                    })
 203
 204         descr = get_schema_descriptor(domain_sid)
 205         self.schema_dn_add = read_and_sub_file(setup_path("provision_schema_basedn.ldif"),
 206                                                {"SCHEMADN": schemadn,
 207                                                 "DESCRIPTOR": descr
 208                                                 })
 209
 210         prefixmap = open(setup_path("prefixMap.txt"), 'r').read()
 211         prefixmap = b64encode(prefixmap)
 212
 213
 214
 215         # We don't actually add this ldif, just parse it
 216         prefixmap_ldif = "dn: cn=schema\nprefixMap:: %s\n\n" % prefixmap
 217         self.ldb.set_schema_from_ldif(prefixmap_ldif, self.schema_data)
 218
 219
 220 # Return a hash with the forward attribute as a key and the back as the value
 221 def get_linked_attributes(schemadn,schemaldb):
 222     attrs = ["linkID", "lDAPDisplayName"]
 223     res = schemaldb.search(expression="(&(linkID=*)(!(linkID:1.2.840.113556.1.4.803:=1))(objectclass=attributeSchema)(attributeSyntax=2.5.5.1))", base=schemadn, scope=SCOPE_ONELEVEL, attrs=attrs)
 224     attributes = {}
 225     for i in range (0, len(res)):
 226         expression = "(&(objectclass=attributeSchema)(linkID=%d)(attributeSyntax=2.5.5.1))" % (int(res[i]["linkID"][0])+1)
 227         target = schemaldb.searchone(basedn=schemadn,
 228                                      expression=expression,
 229                                      attribute="lDAPDisplayName",
 230                                      scope=SCOPE_SUBTREE)
 231         if target is not None:
 232             attributes[str(res[i]["lDAPDisplayName"])]=str(target)
 233
 234     return attributes
 235
 236 def get_dnsyntax_attributes(schemadn,schemaldb):
 237     attrs = ["linkID", "lDAPDisplayName"]
 238     res = schemaldb.search(expression="(&(!(linkID=*))(objectclass=attributeSchema)(attributeSyntax=2.5.5.1))", base=schemadn, scope=SCOPE_ONELEVEL, attrs=attrs)
 239     attributes = []
 240     for i in range (0, len(res)):
 241         attributes.append(str(res[i]["lDAPDisplayName"]))
 242
 243     return attributes
 244
 245
 246 def check_install(lp, session_info, credentials):
 247     """Check whether the current install seems ok.
 248
 249     :param lp: Loadparm context
 250     :param session_info: Session information
 251     :param credentials: Credentials
 252     """
 253     if lp.get("realm") == "":
 254         raise Exception("Realm empty")
 255     ldb = Ldb(lp.get("sam database"), session_info=session_info,
 256             credentials=credentials, lp=lp)
 257     if len(ldb.search("(cn=Administrator)")) != 1:
 258         raise ProvisioningError("No administrator account found")
 259
 260
 261 def findnss(nssfn, names):
 262     """Find a user or group from a list of possibilities.
 263
 264     :param nssfn: NSS Function to try (should raise KeyError if not found)
 265     :param names: Names to check.
 266     :return: Value return by first names list.
 267     """
 268     for name in names:
 269         try:
 270             return nssfn(name)
 271         except KeyError:
 272             pass
 273     raise KeyError("Unable to find user/group %r" % names)
 274
 275
 276 findnss_uid = lambda names: findnss(pwd.getpwnam, names)[2]
 277 findnss_gid = lambda names: findnss(grp.getgrnam, names)[2]
 278
 279
 280 def read_and_sub_file(file, subst_vars):
 281     """Read a file and sub in variables found in it
 282
 283     :param file: File to be read (typically from setup directory)
 284      param subst_vars: Optional variables to subsitute in the file.
 285     """
 286     data = open(file, 'r').read()
 287     if subst_vars is not None:
 288         data = substitute_var(data, subst_vars)
 289     check_all_substituted(data)
 290     return data
 291
 292
 293 def setup_add_ldif(ldb, ldif_path, subst_vars=None,controls=["relax:0"]):
 294     """Setup a ldb in the private dir.
 295
 296     :param ldb: LDB file to import data into
 297     :param ldif_path: Path of the LDIF file to load
 298     :param subst_vars: Optional variables to subsitute in LDIF.
 299     :param nocontrols: Optional list of controls, can be None for no controls
 300     """
 301     assert isinstance(ldif_path, str)
 302     data = read_and_sub_file(ldif_path, subst_vars)
 303     ldb.add_ldif(data,controls)
 304
 305
 306 def setup_modify_ldif(ldb, ldif_path, subst_vars=None):
 307     """Modify a ldb in the private dir.
 308
 309     :param ldb: LDB object.
 310     :param ldif_path: LDIF file path.
 311     :param subst_vars: Optional dictionary with substitution variables.
 312     """
 313     data = read_and_sub_file(ldif_path, subst_vars)
 314
 315     ldb.modify_ldif(data)
 316
 317
 318 def setup_ldb(ldb, ldif_path, subst_vars):
 319     """Import a LDIF a file into a LDB handle, optionally substituting variables.
 320
 321     :note: Either all LDIF data will be added or none (using transactions).
 322
 323     :param ldb: LDB file to import into.
 324     :param ldif_path: Path to the LDIF file.
 325     :param subst_vars: Dictionary with substitution variables.
 326     """
 327     assert ldb is not None
 328     ldb.transaction_start()
 329     try:
 330         setup_add_ldif(ldb, ldif_path, subst_vars)
 331     except:
 332         ldb.transaction_cancel()
 333         raise
 334     ldb.transaction_commit()
 335
 336
 337 def setup_file(template, fname, subst_vars):
 338     """Setup a file in the private dir.
 339
 340     :param template: Path of the template file.
 341     :param fname: Path of the file to create.
 342     :param subst_vars: Substitution variables.
 343     """
 344     f = fname
 345
 346     if os.path.exists(f):
 347         os.unlink(f)
 348
 349     data = read_and_sub_file(template, subst_vars)
 350     open(f, 'w').write(data)
 351
 352
 353 def provision_paths_from_lp(lp, dnsdomain):
 354     """Set the default paths for provisioning.
 355
 356     :param lp: Loadparm context.
 357     :param dnsdomain: DNS Domain name
 358     """
 359     paths = ProvisionPaths()
 360     paths.private_dir = lp.get("private dir")
 361     paths.dns_keytab = "dns.keytab"
 362
 363     paths.shareconf = os.path.join(paths.private_dir, "share.ldb")
 364     paths.samdb = os.path.join(paths.private_dir, lp.get("sam database") or "samdb.ldb")
 365     paths.idmapdb = os.path.join(paths.private_dir, lp.get("idmap database") or "idmap.ldb")
 366     paths.secrets = os.path.join(paths.private_dir, lp.get("secrets database") or "secrets.ldb")
 367     paths.dns = os.path.join(paths.private_dir, dnsdomain + ".zone")
 368     paths.namedconf = os.path.join(paths.private_dir, "named.conf")
 369     paths.namedtxt = os.path.join(paths.private_dir, "named.txt")
 370     paths.krb5conf = os.path.join(paths.private_dir, "krb5.conf")
 371     paths.winsdb = os.path.join(paths.private_dir, "wins.ldb")
 372     paths.s4_ldapi_path = os.path.join(paths.private_dir, "ldapi")
 373     paths.phpldapadminconfig = os.path.join(paths.private_dir,
 374                                             "phpldapadmin-config.php")
 375     paths.ldapdir = os.path.join(paths.private_dir,
 376                                  "ldap")
 377     paths.slapdconf = os.path.join(paths.ldapdir,
 378                                    "slapd.conf")
 379     paths.slapdpid = os.path.join(paths.ldapdir,
 380                                    "slapd.pid")
 381     paths.modulesconf = os.path.join(paths.ldapdir,
 382                                      "modules.conf")
 383     paths.memberofconf = os.path.join(paths.ldapdir,
 384                                       "memberof.conf")
 385     paths.fedoradsinf = os.path.join(paths.ldapdir,
 386                                      "fedorads.inf")
 387     paths.fedoradspartitions = os.path.join(paths.ldapdir,
 388                                             "fedorads-partitions.ldif")
 389     paths.fedoradssasl = os.path.join(paths.ldapdir,
 390                                       "fedorads-sasl.ldif")
 391     paths.fedoradssamba = os.path.join(paths.ldapdir,
 392                                         "fedorads-samba.ldif")
 393     paths.olmmrserveridsconf = os.path.join(paths.ldapdir,
 394                                             "mmr_serverids.conf")
 395     paths.olmmrsyncreplconf = os.path.join(paths.ldapdir,
 396                                            "mmr_syncrepl.conf")
 397     paths.olcdir = os.path.join(paths.ldapdir,
 398                                  "slapd.d")
 399     paths.olcseedldif = os.path.join(paths.ldapdir,
 400                                  "olc_seed.ldif")
 401     paths.hklm = "hklm.ldb"
 402     paths.hkcr = "hkcr.ldb"
 403     paths.hkcu = "hkcu.ldb"
 404     paths.hku = "hku.ldb"
 405     paths.hkpd = "hkpd.ldb"
 406     paths.hkpt = "hkpt.ldb"
 407
 408     paths.sysvol = lp.get("path", "sysvol")
 409
 410     paths.netlogon = lp.get("path", "netlogon")
 411
 412     paths.smbconf = lp.configfile
 413
 414     return paths
 415
 416
 417 def guess_names(lp=None, hostname=None, domain=None, dnsdomain=None,
 418                 serverrole=None, rootdn=None, domaindn=None, configdn=None,
 419                 schemadn=None, serverdn=None, sitename=None, sambadn=None):
 420     """Guess configuration settings to use."""
 421
 422     if hostname is None:
 423         hostname = socket.gethostname().split(".")[0].lower()
 424
 425     netbiosname = hostname.upper()
 426     if not valid_netbios_name(netbiosname):
 427         raise InvalidNetbiosName(netbiosname)
 428
 429     hostname = hostname.lower()
 430
 431     if dnsdomain is None:
 432         dnsdomain = lp.get("realm")
 433
 434     if serverrole is None:
 435         serverrole = lp.get("server role")
 436
 437     assert dnsdomain is not None
 438     realm = dnsdomain.upper()
 439
 440     if lp.get("realm").upper() != realm:
 441         raise Exception("realm '%s' in %s must match chosen realm '%s'" %
 442                         (lp.get("realm"), lp.configfile, realm))
 443
 444     dnsdomain = dnsdomain.lower()
 445
 446     if serverrole == "domain controller":
 447         if domain is None:
 448             domain = lp.get("workgroup")
 449         if domaindn is None:
 450             domaindn = "DC=" + dnsdomain.replace(".", ",DC=")
 451         if lp.get("workgroup").upper() != domain.upper():
 452             raise Exception("workgroup '%s' in smb.conf must match chosen domain '%s'",
 453                         lp.get("workgroup"), domain)
 454     else:
 455         domain = netbiosname
 456         if domaindn is None:
 457             domaindn = "DC=" + netbiosname
 458
 459     assert domain is not None
 460     domain = domain.upper()
 461     if not valid_netbios_name(domain):
 462         raise InvalidNetbiosName(domain)
 463
 464     if netbiosname.upper() == realm.upper():
 465         raise Exception("realm %s must not be equal to netbios domain name %s", realm, netbiosname)
 466
 467     if hostname.upper() == realm.upper():
 468         raise Exception("realm %s must not be equal to hostname %s", realm, hostname)
 469
 470     if domain.upper() == realm.upper():
 471         raise Exception("realm %s must not be equal to domain name %s", realm, domain)
 472
 473     if rootdn is None:
 474        rootdn = domaindn
 475
 476     if configdn is None:
 477         configdn = "CN=Configuration," + rootdn
 478     if schemadn is None:
 479         schemadn = "CN=Schema," + configdn
 480     if sambadn is None:
 481         sambadn = "CN=Samba"
 482
 483     if sitename is None:
 484         sitename=DEFAULTSITE
 485
 486     names = ProvisionNames()
 487     names.rootdn = rootdn
 488     names.domaindn = domaindn
 489     names.configdn = configdn
 490     names.schemadn = schemadn
 491     names.sambadn = sambadn
 492     names.ldapmanagerdn = "CN=Manager," + rootdn
 493     names.dnsdomain = dnsdomain
 494     names.domain = domain
 495     names.realm = realm
 496     names.netbiosname = netbiosname
 497     names.hostname = hostname
 498     names.sitename = sitename
 499     names.serverdn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (netbiosname, sitename, configdn)
 500
 501     return names
 502
 503
 504 def make_smbconf(smbconf, setup_path, hostname, domain, realm, serverrole,
 505                  targetdir):
 506     """Create a new smb.conf file based on a couple of basic settings.
 507     """
 508     assert smbconf is not None
 509     if hostname is None:
 510         hostname = socket.gethostname().split(".")[0].lower()
 511
 512     if serverrole is None:
 513         serverrole = "standalone"
 514
 515     assert serverrole in ("domain controller", "member server", "standalone")
 516     if serverrole == "domain controller":
 517         smbconfsuffix = "dc"
 518     elif serverrole == "member server":
 519         smbconfsuffix = "member"
 520     elif serverrole == "standalone":
 521         smbconfsuffix = "standalone"
 522
 523     assert domain is not None
 524     assert realm is not None
 525
 526     default_lp = param.LoadParm()
 527     #Load non-existant file
 528     if os.path.exists(smbconf):
 529         default_lp.load(smbconf)
 530
 531     if targetdir is not None:
 532         privatedir_line = "private dir = " + os.path.abspath(os.path.join(targetdir, "private"))
 533         lockdir_line = "lock dir = " + os.path.abspath(targetdir)
 534
 535         default_lp.set("lock dir", os.path.abspath(targetdir))
 536     else:
 537         privatedir_line = ""
 538         lockdir_line = ""
 539
 540     sysvol = os.path.join(default_lp.get("lock dir"), "sysvol")
 541     netlogon = os.path.join(sysvol, realm.lower(), "scripts")
 542
 543     setup_file(setup_path("provision.smb.conf.%s" % smbconfsuffix),
 544                smbconf, {
 545             "HOSTNAME": hostname,
 546             "DOMAIN": domain,
 547             "REALM": realm,
 548             "SERVERROLE": serverrole,
 549             "NETLOGONPATH": netlogon,
 550             "SYSVOLPATH": sysvol,
 551             "PRIVATEDIR_LINE": privatedir_line,
 552             "LOCKDIR_LINE": lockdir_line
 553             })
 554
 555
 556 def setup_name_mappings(samdb, idmap, sid, domaindn, root_uid, nobody_uid,
 557                         users_gid, wheel_gid):
 558     """setup reasonable name mappings for sam names to unix names.
 559
 560     :param samdb: SamDB object.
 561     :param idmap: IDmap db object.
 562     :param sid: The domain sid.
 563     :param domaindn: The domain DN.
 564     :param root_uid: uid of the UNIX root user.
 565     :param nobody_uid: uid of the UNIX nobody user.
 566     :param users_gid: gid of the UNIX users group.
 567     :param wheel_gid: gid of the UNIX wheel group."""
 568
 569     idmap.setup_name_mapping("S-1-5-7", idmap.TYPE_UID, nobody_uid)
 570     idmap.setup_name_mapping("S-1-5-32-544", idmap.TYPE_GID, wheel_gid)
 571
 572     idmap.setup_name_mapping(sid + "-500", idmap.TYPE_UID, root_uid)
 573     idmap.setup_name_mapping(sid + "-513", idmap.TYPE_GID, users_gid)
 574
 575 def setup_samdb_partitions(samdb_path, setup_path, message, lp, session_info,
 576                            credentials, names,
 577                            serverrole, ldap_backend=None,
 578                            erase=False):
 579     """Setup the partitions for the SAM database.
 580
 581     Alternatively, provision() may call this, and then populate the database.
 582
 583     :note: This will wipe the Sam Database!
 584
 585     :note: This function always removes the local SAM LDB file. The erase
 586         parameter controls whether to erase the existing data, which
 587         may not be stored locally but in LDAP.
 588     """
 589     assert session_info is not None
 590
 591     # We use options=["modules:"] to stop the modules loading - we
 592     # just want to wipe and re-initialise the database, not start it up
 593
 594     try:
 595         samdb = Ldb(url=samdb_path, session_info=session_info,
 596                       credentials=credentials, lp=lp, options=["modules:"])
 597         # Wipes the database
 598         samdb.erase_except_schema_controlled()
 599     except LdbError:
 600         os.unlink(samdb_path)
 601         samdb = Ldb(url=samdb_path, session_info=session_info,
 602                       credentials=credentials, lp=lp, options=["modules:"])
 603          # Wipes the database
 604         samdb.erase_except_schema_controlled()
 605
 606
 607     #Add modules to the list to activate them by default
 608     #beware often order is important
 609     #
 610     # Some Known ordering constraints:
 611     # - rootdse must be first, as it makes redirects from "" -> cn=rootdse
 612     # - objectclass must be before password_hash, because password_hash checks
 613     #   that the objectclass is of type person (filled in by objectclass
 614     #   module when expanding the objectclass list)
 615     # - partition must be last
 616     # - each partition has its own module list then
 617     modules_list = ["resolve_oids",
 618                     "rootdse",
 619                     "lazy_commit",
 620                     "acl",
 621                     "paged_results",
 622                     "ranged_results",
 623                     "anr",
 624                     "server_sort",
 625                     "asq",
 626                     "extended_dn_store",
 627                     "extended_dn_in",
 628                     "rdn_name",
 629                     "objectclass",
 630                     "descriptor",
 631                     "samldb",
 632                     "password_hash",
 633                     "operational",
 634                     "kludge_acl",
 635                     "instancetype"]
 636     tdb_modules_list = [
 637                     "subtree_rename",
 638                     "subtree_delete",
 639                     "linked_attributes",
 640                     "extended_dn_out_ldb"]
 641     modules_list2 = ["show_deleted",
 642                     "partition"]
 643
 644     domaindn_ldb = "users.ldb"
 645     configdn_ldb = "configuration.ldb"
 646     schemadn_ldb = "schema.ldb"
 647     if ldap_backend is not None:
 648         domaindn_ldb = ldap_backend.ldapi_uri
 649         configdn_ldb = ldap_backend.ldapi_uri
 650         schemadn_ldb = ldap_backend.ldapi_uri
 651
 652         if ldap_backend.ldap_backend_type == "fedora-ds":
 653             backend_modules = ["nsuniqueid", "paged_searches"]
 654             # We can handle linked attributes here, as we don't have directory-side subtree operations
 655             tdb_modules_list = ["linked_attributes", "extended_dn_out_dereference"]
 656         elif ldap_backend.ldap_backend_type == "openldap":
 657             backend_modules = ["entryuuid", "paged_searches"]
 658             # OpenLDAP handles subtree renames, so we don't want to do any of these things
 659             tdb_modules_list = ["extended_dn_out_dereference"]
 660
 661     elif serverrole == "domain controller":
 662         tdb_modules_list.insert(0, "repl_meta_data")
 663         backend_modules = []
 664     else:
 665         backend_modules = ["objectguid"]
 666
 667     if tdb_modules_list is None:
 668         tdb_modules_list_as_string = ""
 669     else:
 670         tdb_modules_list_as_string = ","+",".join(tdb_modules_list)
 671
 672     samdb.transaction_start()
 673     try:
 674         message("Setting up sam.ldb partitions and settings")
 675         setup_add_ldif(samdb, setup_path("provision_partitions.ldif"), {
 676                 "SCHEMADN": names.schemadn,
 677                 "SCHEMADN_LDB": schemadn_ldb,
 678                 "SCHEMADN_MOD2": ",objectguid",
 679                 "CONFIGDN": names.configdn,
 680                 "CONFIGDN_LDB": configdn_ldb,
 681                 "DOMAINDN": names.domaindn,
 682                 "DOMAINDN_LDB": domaindn_ldb,
 683                 "SCHEMADN_MOD": "schema_fsmo",
 684                 "CONFIGDN_MOD": "naming_fsmo",
 685                 "DOMAINDN_MOD": "pdc_fsmo",
 686                 "MODULES_LIST": ",".join(modules_list),
 687                 "TDB_MODULES_LIST": tdb_modules_list_as_string,
 688                 "MODULES_LIST2": ",".join(modules_list2),
 689                 "BACKEND_MOD": ",".join(backend_modules),
 690         })
 691
 692         samdb.load_ldif_file_add(setup_path("provision_init.ldif"))
 693
 694         message("Setting up sam.ldb rootDSE")
 695         setup_samdb_rootdse(samdb, setup_path, names)
 696
 697     except:
 698         samdb.transaction_cancel()
 699         raise
 700
 701     samdb.transaction_commit()
 702
 703 def secretsdb_self_join(secretsdb, domain,
 704                         netbiosname, domainsid, machinepass,
 705                         realm=None, dnsdomain=None,
 706                         keytab_path=None,
 707                         key_version_number=1,
 708                         secure_channel_type=SEC_CHAN_WKSTA):
 709     """Add domain join-specific bits to a secrets database.
 710
 711     :param secretsdb: Ldb Handle to the secrets database
 712     :param machinepass: Machine password
 713     """
 714     attrs=["whenChanged",
 715            "secret",
 716            "priorSecret",
 717            "priorChanged",
 718            "krb5Keytab",
 719            "privateKeytab"]
 720
 721
 722     msg = ldb.Message(ldb.Dn(secretsdb, "flatname=%s,cn=Primary Domains" % domain));
 723     msg["secureChannelType"] = str(secure_channel_type)
 724     msg["flatname"] = [domain]
 725     msg["objectClass"] = ["top", "primaryDomain"]
 726     if realm is not None:
 727       if dnsdomain is None:
 728         dnsdomain = realm.lower()
 729       msg["objectClass"] = ["top", "primaryDomain", "kerberosSecret"]
 730       msg["realm"] = realm
 731       msg["saltPrincipal"] = "host/%s.%s@%s" % (netbiosname.lower(), dnsdomain.lower(), realm.upper())
 732       msg["msDS-KeyVersionNumber"] = [str(key_version_number)]
 733       msg["privateKeytab"] = ["secrets.keytab"];
 734
 735
 736     msg["secret"] = [machinepass]
 737     msg["samAccountName"] = ["%s$" % netbiosname]
 738     msg["secureChannelType"] = [str(secure_channel_type)]
 739     msg["objectSid"] = [ndr_pack(domainsid)]
 740
 741     res = secretsdb.search(base="cn=Primary Domains",
 742                            attrs=attrs,
 743                            expression=("(&(|(flatname=%s)(realm=%s)(objectSid=%s))(objectclass=primaryDomain))" % (domain, realm, str(domainsid))),
 744                            scope=SCOPE_ONELEVEL)
 745
 746     for del_msg in res:
 747       if del_msg.dn is not msg.dn:
 748         secretsdb.delete(del_msg.dn)
 749
 750     res = secretsdb.search(base=msg.dn, attrs=attrs, scope=SCOPE_BASE)
 751
 752     if len(res) == 1:
 753       msg["priorSecret"] = res[0]["secret"]
 754       msg["priorWhenChanged"] = res[0]["whenChanged"]
 755
 756       if res["privateKeytab"] is not None:
 757         msg["privateKeytab"] = res[0]["privateKeytab"]
 758
 759       if res["krb5Keytab"] is not None:
 760         msg["krb5Keytab"] = res[0]["krb5Keytab"]
 761
 762       for el in msg:
 763         el.set_flags(ldb.FLAG_MOD_REPLACE)
 764         secretsdb.modify(msg)
 765     else:
 766       secretsdb.add(msg)
 767
 768
 769 def secretsdb_setup_dns(secretsdb, setup_path, realm, dnsdomain,
 770                         dns_keytab_path, dnspass):
 771     """Add DNS specific bits to a secrets database.
 772
 773     :param secretsdb: Ldb Handle to the secrets database
 774     :param setup_path: Setup path function
 775     :param machinepass: Machine password
 776     """
 777     setup_ldb(secretsdb, setup_path("secrets_dns.ldif"), {
 778             "REALM": realm,
 779             "DNSDOMAIN": dnsdomain,
 780             "DNS_KEYTAB": dns_keytab_path,
 781             "DNSPASS_B64": b64encode(dnspass),
 782             })
 783
 784
 785 def setup_secretsdb(path, setup_path, session_info, credentials, lp):
 786     """Setup the secrets database.
 787
 788     :param path: Path to the secrets database.
 789     :param setup_path: Get the path to a setup file.
 790     :param session_info: Session info.
 791     :param credentials: Credentials
 792     :param lp: Loadparm context
 793     :return: LDB handle for the created secrets database
 794     """
 795     if os.path.exists(path):
 796         os.unlink(path)
 797     secrets_ldb = Ldb(path, session_info=session_info, credentials=credentials,
 798                       lp=lp)
 799     secrets_ldb.erase()
 800     secrets_ldb.load_ldif_file_add(setup_path("secrets_init.ldif"))
 801     secrets_ldb = Ldb(path, session_info=session_info, credentials=credentials,
 802                       lp=lp)
 803     secrets_ldb.transaction_start()
 804     secrets_ldb.load_ldif_file_add(setup_path("secrets.ldif"))
 805
 806     if credentials is not None and credentials.authentication_requested():
 807         if credentials.get_bind_dn() is not None:
 808             setup_add_ldif(secrets_ldb, setup_path("secrets_simple_ldap.ldif"), {
 809                     "LDAPMANAGERDN": credentials.get_bind_dn(),
 810                     "LDAPMANAGERPASS_B64": b64encode(credentials.get_password())
 811                     })
 812         else:
 813             setup_add_ldif(secrets_ldb, setup_path("secrets_sasl_ldap.ldif"), {
 814                     "LDAPADMINUSER": credentials.get_username(),
 815                     "LDAPADMINREALM": credentials.get_realm(),
 816                     "LDAPADMINPASS_B64": b64encode(credentials.get_password())
 817                     })
 818
 819     return secrets_ldb
 820
 821 def setup_registry(path, setup_path, session_info, lp):
 822     """Setup the registry.
 823
 824     :param path: Path to the registry database
 825     :param setup_path: Function that returns the path to a setup.
 826     :param session_info: Session information
 827     :param credentials: Credentials
 828     :param lp: Loadparm context
 829     """
 830     reg = registry.Registry()
 831     hive = registry.open_ldb(path, session_info=session_info,
 832                          lp_ctx=lp)
 833     reg.mount_hive(hive, registry.HKEY_LOCAL_MACHINE)
 834     provision_reg = setup_path("provision.reg")
 835     assert os.path.exists(provision_reg)
 836     reg.diff_apply(provision_reg)
 837
 838
 839 def setup_idmapdb(path, setup_path, session_info, lp):
 840     """Setup the idmap database.
 841
 842     :param path: path to the idmap database
 843     :param setup_path: Function that returns a path to a setup file
 844     :param session_info: Session information
 845     :param credentials: Credentials
 846     :param lp: Loadparm context
 847     """
 848     if os.path.exists(path):
 849         os.unlink(path)
 850
 851     idmap_ldb = IDmapDB(path, session_info=session_info,
 852                         lp=lp)
 853
 854     idmap_ldb.erase()
 855     idmap_ldb.load_ldif_file_add(setup_path("idmap_init.ldif"))
 856     return idmap_ldb
 857
 858
 859 def setup_samdb_rootdse(samdb, setup_path, names):
 860     """Setup the SamDB rootdse.
 861
 862     :param samdb: Sam Database handle
 863     :param setup_path: Obtain setup path
 864     """
 865     setup_add_ldif(samdb, setup_path("provision_rootdse_add.ldif"), {
 866         "SCHEMADN": names.schemadn,
 867         "NETBIOSNAME": names.netbiosname,
 868         "DNSDOMAIN": names.dnsdomain,
 869         "REALM": names.realm,
 870         "DNSNAME": "%s.%s" % (names.hostname, names.dnsdomain),
 871         "DOMAINDN": names.domaindn,
 872         "ROOTDN": names.rootdn,
 873         "CONFIGDN": names.configdn,
 874         "SERVERDN": names.serverdn,
 875         })
 876
 877
 878 def setup_self_join(samdb, names,
 879                     machinepass, dnspass,
 880                     domainsid, invocationid, setup_path,
 881                     policyguid, policyguid_dc, domainControllerFunctionality,
 882                     ntdsguid):
 883     """Join a host to its own domain."""
 884     assert isinstance(invocationid, str)
 885     if ntdsguid is not None:
 886         ntdsguid_line = "objectGUID: %s\n"%ntdsguid
 887     else:
 888         ntdsguid_line = ""
 889     setup_add_ldif(samdb, setup_path("provision_self_join.ldif"), {
 890               "CONFIGDN": names.configdn,
 891               "SCHEMADN": names.schemadn,
 892               "DOMAINDN": names.domaindn,
 893               "SERVERDN": names.serverdn,
 894               "INVOCATIONID": invocationid,
 895               "NETBIOSNAME": names.netbiosname,
 896               "DEFAULTSITE": names.sitename,
 897               "DNSNAME": "%s.%s" % (names.hostname, names.dnsdomain),
 898               "MACHINEPASS_B64": b64encode(machinepass),
 899               "DNSPASS_B64": b64encode(dnspass),
 900               "REALM": names.realm,
 901               "DOMAIN": names.domain,
 902               "DNSDOMAIN": names.dnsdomain,
 903               "SAMBA_VERSION_STRING": version,
 904               "NTDSGUID": ntdsguid_line,
 905               "DOMAIN_CONTROLLER_FUNCTIONALITY": str(domainControllerFunctionality)})
 906
 907     setup_add_ldif(samdb, setup_path("provision_group_policy.ldif"), {
 908               "POLICYGUID": policyguid,
 909               "POLICYGUID_DC": policyguid_dc,
 910               "DNSDOMAIN": names.dnsdomain,
 911               "DOMAINSID": str(domainsid),
 912               "DOMAINDN": names.domaindn})
 913
 914     # add the NTDSGUID based SPNs
 915     ntds_dn = "CN=NTDS Settings,CN=%s,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,%s" % (names.hostname, names.domaindn)
 916     names.ntdsguid = samdb.searchone(basedn=ntds_dn, attribute="objectGUID",
 917                                      expression="", scope=SCOPE_BASE)
 918     assert isinstance(names.ntdsguid, str)
 919
 920     # Setup fSMORoleOwner entries to point at the newly created DC entry
 921     setup_modify_ldif(samdb, setup_path("provision_self_join_modify.ldif"), {
 922               "DOMAIN": names.domain,
 923               "DNSDOMAIN": names.dnsdomain,
 924               "DOMAINDN": names.domaindn,
 925               "CONFIGDN": names.configdn,
 926               "SCHEMADN": names.schemadn,
 927               "DEFAULTSITE": names.sitename,
 928               "SERVERDN": names.serverdn,
 929               "NETBIOSNAME": names.netbiosname,
 930               "NTDSGUID": names.ntdsguid
 931               })
 932
 933
 934 def setup_samdb(path, setup_path, session_info, credentials, lp,
 935                 names, message,
 936                 domainsid, domainguid, policyguid, policyguid_dc,
 937                 fill, adminpass, krbtgtpass,
 938                 machinepass, invocationid, dnspass, ntdsguid,
 939                 serverrole, dom_for_fun_level=None,
 940                 schema=None, ldap_backend=None):
 941     """Setup a complete SAM Database.
 942
 943     :note: This will wipe the main SAM database file!
 944     """
 945
 946     # ATTENTION: Do NOT change these default values without discussion with the
 947     # team and/or release manager. They have a big impact on the whole program!
 948     domainControllerFunctionality = DS_DC_FUNCTION_2008
 949
 950     if dom_for_fun_level is None:
 951         dom_for_fun_level = DS_DOMAIN_FUNCTION_2003
 952     if dom_for_fun_level < DS_DOMAIN_FUNCTION_2003:
 953         raise ProvisioningError("You want to run SAMBA 4 on a domain and forest function level lower than Windows 2003 (Native). This isn't supported!")
 954
 955     if dom_for_fun_level > domainControllerFunctionality:
 956         raise ProvisioningError("You want to run SAMBA 4 on a domain and forest function level which itself is higher than its actual DC function level (2008). This won't work!")
 957
 958     domainFunctionality = dom_for_fun_level
 959     forestFunctionality = dom_for_fun_level
 960
 961     # Also wipes the database
 962     setup_samdb_partitions(path, setup_path, message=message, lp=lp,
 963                            credentials=credentials, session_info=session_info,
 964                            names=names, ldap_backend=ldap_backend,
 965                            serverrole=serverrole)
 966
 967     if (schema == None):
 968         schema = Schema(setup_path, domainsid, schemadn=names.schemadn, serverdn=names.serverdn,
 969             sambadn=names.sambadn, ldap_backend_type=ldap_backend.ldap_backend_type)
 970
 971     # Load the database, but importantly, use Ldb not SamDB as we don't want to load the global schema
 972     samdb = Ldb(session_info=session_info,
 973                 credentials=credentials, lp=lp)
 974
 975     message("Pre-loading the Samba 4 and AD schema")
 976
 977     # Load the schema from the one we computed earlier
 978     samdb.set_schema_from_ldb(schema.ldb)
 979
 980     # And now we can connect to the DB - the schema won't be loaded from the DB
 981     samdb.connect(path)
 982
 983     # Load @OPTIONS
 984     samdb.load_ldif_file_add(setup_path("provision_options.ldif"))
 985
 986     if fill == FILL_DRS:
 987         return samdb
 988
 989     samdb.transaction_start()
 990     try:
 991         message("Erasing data from partitions")
 992         # Load the schema (again).  This time it will force a reindex,
 993         # and will therefore make the erase_partitions() below
 994         # computationally sane
 995         samdb.set_schema_from_ldb(schema.ldb)
 996         samdb.erase_partitions()
 997
 998         # Set the domain functionality levels onto the database.
 999         # Various module (the password_hash module in particular) need
1000         # to know what level of AD we are emulating.
1001
1002         # These will be fixed into the database via the database
1003         # modifictions below, but we need them set from the start.
1004         samdb.set_opaque_integer("domainFunctionality", domainFunctionality)
1005         samdb.set_opaque_integer("forestFunctionality", forestFunctionality)
1006         samdb.set_opaque_integer("domainControllerFunctionality", domainControllerFunctionality)
1007
1008         samdb.set_domain_sid(str(domainsid))
1009         if serverrole == "domain controller":
1010             samdb.set_invocation_id(invocationid)
1011
1012         message("Adding DomainDN: %s" % names.domaindn)
1013
1014 #impersonate domain admin
1015         admin_session_info = admin_session(lp, str(domainsid))
1016         samdb.set_session_info(admin_session_info)
1017         if domainguid is not None:
1018             domainguid_line = "objectGUID: %s\n-" % domainguid
1019         else:
1020             domainguid_line = ""
1021         setup_add_ldif(samdb, setup_path("provision_basedn.ldif"), {
1022                 "DOMAINDN": names.domaindn,
1023                 "DOMAINGUID": domainguid_line
1024                 })
1025
1026
1027         setup_modify_ldif(samdb, setup_path("provision_basedn_modify.ldif"), {
1028             "CREATTIME": str(int(time.time()) * 1e7), # seconds -> ticks
1029             "DOMAINSID": str(domainsid),
1030             "SCHEMADN": names.schemadn,
1031             "NETBIOSNAME": names.netbiosname,
1032             "DEFAULTSITE": names.sitename,
1033             "CONFIGDN": names.configdn,
1034             "SERVERDN": names.serverdn,
1035             "POLICYGUID": policyguid,
1036             "DOMAINDN": names.domaindn,
1037             "DOMAIN_FUNCTIONALITY": str(domainFunctionality),
1038             "SAMBA_VERSION_STRING": version
1039             })
1040
1041         message("Adding configuration container")
1042         descr = get_config_descriptor(domainsid);
1043         setup_add_ldif(samdb, setup_path("provision_configuration_basedn.ldif"), {
1044             "CONFIGDN": names.configdn,
1045             "DESCRIPTOR": descr,
1046             })
1047         message("Modifying configuration container")
1048         setup_modify_ldif(samdb, setup_path("provision_configuration_basedn_modify.ldif"), {
1049             "CONFIGDN": names.configdn,
1050             "SCHEMADN": names.schemadn,
1051             })
1052
1053         # The LDIF here was created when the Schema object was constructed
1054         message("Setting up sam.ldb schema")
1055         samdb.add_ldif(schema.schema_dn_add, controls=["relax:0"])
1056         samdb.modify_ldif(schema.schema_dn_modify)
1057         samdb.write_prefixes_from_schema()
1058         samdb.add_ldif(schema.schema_data, controls=["relax:0"])
1059         setup_add_ldif(samdb, setup_path("aggregate_schema.ldif"),
1060                        {"SCHEMADN": names.schemadn})
1061
1062         message("Setting up sam.ldb configuration data")
1063         setup_add_ldif(samdb, setup_path("provision_configuration.ldif"), {
1064             "CONFIGDN": names.configdn,
1065             "NETBIOSNAME": names.netbiosname,
1066             "DEFAULTSITE": names.sitename,
1067             "DNSDOMAIN": names.dnsdomain,
1068             "DOMAIN": names.domain,
1069             "SCHEMADN": names.schemadn,
1070             "DOMAINDN": names.domaindn,
1071             "SERVERDN": names.serverdn,
1072             "FOREST_FUNCTIONALALITY": str(forestFunctionality)
1073             })
1074
1075         message("Setting up display specifiers")
1076         display_specifiers_ldif = read_ms_ldif(setup_path('display-specifiers/DisplaySpecifiers-Win2k8R2.txt'))
1077         display_specifiers_ldif = substitute_var(display_specifiers_ldif, {"CONFIGDN": names.configdn})
1078         check_all_substituted(display_specifiers_ldif)
1079         samdb.add_ldif(display_specifiers_ldif)
1080
1081         message("Adding users container")
1082         setup_add_ldif(samdb, setup_path("provision_users_add.ldif"), {
1083                 "DOMAINDN": names.domaindn})
1084         message("Modifying users container")
1085         setup_modify_ldif(samdb, setup_path("provision_users_modify.ldif"), {
1086                 "DOMAINDN": names.domaindn})
1087         message("Adding computers container")
1088         setup_add_ldif(samdb, setup_path("provision_computers_add.ldif"), {
1089                 "DOMAINDN": names.domaindn})
1090         message("Modifying computers container")
1091         setup_modify_ldif(samdb, setup_path("provision_computers_modify.ldif"), {
1092                 "DOMAINDN": names.domaindn})
1093         message("Setting up sam.ldb data")
1094         setup_add_ldif(samdb, setup_path("provision.ldif"), {
1095             "CREATTIME": str(int(time.time()) * 1e7), # seconds -> ticks
1096             "DOMAINDN": names.domaindn,
1097             "NETBIOSNAME": names.netbiosname,
1098             "DEFAULTSITE": names.sitename,
1099             "CONFIGDN": names.configdn,
1100             "SERVERDN": names.serverdn,
1101             "POLICYGUID_DC": policyguid_dc
1102             })
1103
1104         if fill == FILL_FULL:
1105             message("Setting up sam.ldb users and groups")
1106             setup_add_ldif(samdb, setup_path("provision_users.ldif"), {
1107                 "DOMAINDN": names.domaindn,
1108                 "DOMAINSID": str(domainsid),
1109                 "CONFIGDN": names.configdn,
1110                 "ADMINPASS_B64": b64encode(adminpass),
1111                 "KRBTGTPASS_B64": b64encode(krbtgtpass),
1112                 })
1113
1114             if serverrole == "domain controller":
1115                 message("Setting up self join")
1116                 setup_self_join(samdb, names=names, invocationid=invocationid,
1117                                 dnspass=dnspass,
1118                                 machinepass=machinepass,
1119                                 domainsid=domainsid, policyguid=policyguid,
1120                                 policyguid_dc=policyguid_dc,
1121                                 setup_path=setup_path,
1122                                 domainControllerFunctionality=domainControllerFunctionality,
1123                                 ntdsguid=ntdsguid)
1124
1125                 ntds_dn = "CN=NTDS Settings,CN=%s,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,%s" % (names.hostname, names.domaindn)
1126                 names.ntdsguid = samdb.searchone(basedn=ntds_dn,
1127                   attribute="objectGUID", expression="", scope=SCOPE_BASE)
1128                 assert isinstance(names.ntdsguid, str)
1129
1130     except:
1131         samdb.transaction_cancel()
1132         raise
1133
1134     samdb.transaction_commit()
1135     return samdb
1136
1137
1138 FILL_FULL = "FULL"
1139 FILL_NT4SYNC = "NT4SYNC"
1140 FILL_DRS = "DRS"
1141
1142
1143 def provision(setup_dir, message, session_info,
1144               credentials, smbconf=None, targetdir=None, samdb_fill=FILL_FULL,
1145               realm=None,
1146               rootdn=None, domaindn=None, schemadn=None, configdn=None,
1147               serverdn=None,
1148               domain=None, hostname=None, hostip=None, hostip6=None,
1149               domainsid=None, adminpass=None, ldapadminpass=None,
1150               krbtgtpass=None, domainguid=None,
1151               policyguid=None, policyguid_dc=None, invocationid=None,
1152               machinepass=None, ntdsguid=None,
1153               dnspass=None, root=None, nobody=None, users=None,
1154               wheel=None, backup=None, aci=None, serverrole=None,
1155               dom_for_fun_level=None,
1156               ldap_backend_extra_port=None, ldap_backend_type=None,
1157               sitename=None,
1158               ol_mmr_urls=None, ol_olc=None,
1159               setup_ds_path=None, slapd_path=None, nosync=False,
1160               ldap_dryrun_mode=False):
1161     """Provision samba4
1162
1163     :note: caution, this wipes all existing data!
1164     """
1165
1166     def setup_path(file):
1167       return os.path.join(setup_dir, file)
1168
1169     if domainsid is None:
1170       domainsid = security.random_sid()
1171     else:
1172       domainsid = security.dom_sid(domainsid)
1173
1174     # create/adapt the group policy GUIDs
1175     if policyguid is None:
1176         policyguid = str(uuid.uuid4())
1177     policyguid = policyguid.upper()
1178     if policyguid_dc is None:
1179         policyguid_dc = str(uuid.uuid4())
1180     policyguid_dc = policyguid_dc.upper()
1181
1182     if adminpass is None:
1183         adminpass = glue.generate_random_str(12)
1184     if krbtgtpass is None:
1185         krbtgtpass = glue.generate_random_str(12)
1186     if machinepass is None:
1187         machinepass  = glue.generate_random_str(12)
1188     if dnspass is None:
1189         dnspass = glue.generate_random_str(12)
1190     if ldapadminpass is None:
1191         #Make a new, random password between Samba and it's LDAP server
1192         ldapadminpass=glue.generate_random_str(12)
1193
1194
1195     root_uid = findnss_uid([root or "root"])
1196     nobody_uid = findnss_uid([nobody or "nobody"])
1197     users_gid = findnss_gid([users or "users"])
1198     if wheel is None:
1199         wheel_gid = findnss_gid(["wheel", "adm"])
1200     else:
1201         wheel_gid = findnss_gid([wheel])
1202
1203     if targetdir is not None:
1204         if (not os.path.exists(os.path.join(targetdir, "etc"))):
1205             os.makedirs(os.path.join(targetdir, "etc"))
1206         smbconf = os.path.join(targetdir, "etc", "smb.conf")
1207     elif smbconf is None:
1208         smbconf = param.default_path()
1209
1210     # only install a new smb.conf if there isn't one there already
1211     if not os.path.exists(smbconf):
1212         make_smbconf(smbconf, setup_path, hostname, domain, realm, serverrole,
1213                      targetdir)
1214
1215     lp = param.LoadParm()
1216     lp.load(smbconf)
1217
1218     names = guess_names(lp=lp, hostname=hostname, domain=domain,
1219                         dnsdomain=realm, serverrole=serverrole, sitename=sitename,
1220                         rootdn=rootdn, domaindn=domaindn, configdn=configdn, schemadn=schemadn,
1221                         serverdn=serverdn)
1222
1223     paths = provision_paths_from_lp(lp, names.dnsdomain)
1224
1225     if hostip is None:
1226         try:
1227             hostip = socket.getaddrinfo(names.hostname, None, socket.AF_INET, socket.AI_CANONNAME, socket.IPPROTO_IP)[0][-1][0]
1228         except socket.gaierror, (socket.EAI_NODATA, msg):
1229             hostip = None
1230
1231     if hostip6 is None:
1232         try:
1233             hostip6 = socket.getaddrinfo(names.hostname, None, socket.AF_INET6, socket.AI_CANONNAME, socket.IPPROTO_IP)[0][-1][0]
1234         except socket.gaierror, (socket.EAI_NODATA, msg):
1235             hostip6 = None
1236
1237     if serverrole is None:
1238         serverrole = lp.get("server role")
1239
1240     assert serverrole in ("domain controller", "member server", "standalone")
1241     if invocationid is None and serverrole == "domain controller":
1242         invocationid = str(uuid.uuid4())
1243
1244     if not os.path.exists(paths.private_dir):
1245         os.mkdir(paths.private_dir)
1246
1247     ldapi_url = "ldapi://%s" % urllib.quote(paths.s4_ldapi_path, safe="")
1248
1249     schema = Schema(setup_path, domainsid, schemadn=names.schemadn, serverdn=names.serverdn,
1250         sambadn=names.sambadn, ldap_backend_type=ldap_backend_type)
1251
1252     secrets_credentials = credentials
1253     provision_backend = None
1254     if ldap_backend_type:
1255         # We only support an LDAP backend over ldapi://
1256
1257         provision_backend = ProvisionBackend(paths=paths, setup_path=setup_path,
1258                                              lp=lp, credentials=credentials,
1259                                              names=names,
1260                                              message=message, hostname=hostname,
1261                                              root=root, schema=schema,
1262                                              ldap_backend_type=ldap_backend_type,
1263                                              ldapadminpass=ldapadminpass,
1264                                              ldap_backend_extra_port=ldap_backend_extra_port,
1265                                              ol_mmr_urls=ol_mmr_urls,
1266                                              slapd_path=slapd_path,
1267                                              setup_ds_path=setup_ds_path,
1268                                              ldap_dryrun_mode=ldap_dryrun_mode)
1269
1270         # Now use the backend credentials to access the databases
1271         credentials = provision_backend.credentials
1272         secrets_credentials = provision_backend.adminCredentials
1273         ldapi_url = provision_backend.ldapi_uri
1274
1275     # only install a new shares config db if there is none
1276     if not os.path.exists(paths.shareconf):
1277         message("Setting up share.ldb")
1278         share_ldb = Ldb(paths.shareconf, session_info=session_info,
1279                         credentials=credentials, lp=lp)
1280         share_ldb.load_ldif_file_add(setup_path("share.ldif"))
1281
1282
1283     message("Setting up secrets.ldb")
1284     secrets_ldb = setup_secretsdb(paths.secrets, setup_path,
1285                                   session_info=session_info,
1286                                   credentials=secrets_credentials, lp=lp)
1287
1288     message("Setting up the registry")
1289     setup_registry(paths.hklm, setup_path, session_info,
1290                    lp=lp)
1291
1292     message("Setting up idmap db")
1293     idmap = setup_idmapdb(paths.idmapdb, setup_path, session_info=session_info,
1294                           lp=lp)
1295
1296     message("Setting up SAM db")
1297     samdb = setup_samdb(paths.samdb, setup_path, session_info=session_info,
1298                         credentials=credentials, lp=lp, names=names,
1299                         message=message,
1300                         domainsid=domainsid,
1301                         schema=schema, domainguid=domainguid,
1302                         policyguid=policyguid, policyguid_dc=policyguid_dc,
1303                         fill=samdb_fill,
1304                         adminpass=adminpass, krbtgtpass=krbtgtpass,
1305                         invocationid=invocationid,
1306                         machinepass=machinepass, dnspass=dnspass,
1307                         ntdsguid=ntdsguid, serverrole=serverrole,
1308                         dom_for_fun_level=dom_for_fun_level,
1309                         ldap_backend=provision_backend)
1310
1311     if serverrole == "domain controller":
1312         if paths.netlogon is None:
1313             message("Existing smb.conf does not have a [netlogon] share, but you are configuring a DC.")
1314             message("Please either remove %s or see the template at %s" %
1315                     ( paths.smbconf, setup_path("provision.smb.conf.dc")))
1316             assert(paths.netlogon is not None)
1317
1318         if paths.sysvol is None:
1319             message("Existing smb.conf does not have a [sysvol] share, but you are configuring a DC.")
1320             message("Please either remove %s or see the template at %s" %
1321                     (paths.smbconf, setup_path("provision.smb.conf.dc")))
1322             assert(paths.sysvol is not None)
1323
1324         # Set up group policies (domain policy and domain controller policy)
1325
1326         policy_path = os.path.join(paths.sysvol, names.dnsdomain, "Policies",
1327                                    "{" + policyguid + "}")
1328         os.makedirs(policy_path, 0755)
1329         open(os.path.join(policy_path, "GPT.INI"), 'w').write(
1330                                    "[General]\r\nVersion=65543")
1331         os.makedirs(os.path.join(policy_path, "MACHINE"), 0755)
1332         os.makedirs(os.path.join(policy_path, "USER"), 0755)
1333
1334         policy_path_dc = os.path.join(paths.sysvol, names.dnsdomain, "Policies",
1335                                    "{" + policyguid_dc + "}")
1336         os.makedirs(policy_path_dc, 0755)
1337         open(os.path.join(policy_path_dc, "GPT.INI"), 'w').write(
1338                                    "[General]\r\nVersion=2")
1339         os.makedirs(os.path.join(policy_path_dc, "MACHINE"), 0755)
1340         os.makedirs(os.path.join(policy_path_dc, "USER"), 0755)
1341
1342         if not os.path.isdir(paths.netlogon):
1343             os.makedirs(paths.netlogon, 0755)
1344
1345     if samdb_fill == FILL_FULL:
1346         setup_name_mappings(samdb, idmap, str(domainsid), names.domaindn,
1347                             root_uid=root_uid, nobody_uid=nobody_uid,
1348                             users_gid=users_gid, wheel_gid=wheel_gid)
1349
1350         message("Setting up sam.ldb rootDSE marking as synchronized")
1351         setup_modify_ldif(samdb, setup_path("provision_rootdse_modify.ldif"))
1352
1353         # Only make a zone file on the first DC, it should be replicated with DNS replication
1354         if serverrole == "domain controller":
1355             secretsdb_self_join(secrets_ldb, domain=domain,
1356                                 realm=names.realm,
1357                                 dnsdomain=names.dnsdomain,
1358                                 netbiosname=names.netbiosname,
1359                                 domainsid=domainsid,
1360                                 machinepass=machinepass,
1361                                 secure_channel_type=SEC_CHAN_BDC)
1362
1363             secretsdb_setup_dns(secrets_ldb, setup_path,
1364                                 realm=names.realm, dnsdomain=names.dnsdomain,
1365                                 dns_keytab_path=paths.dns_keytab,
1366                                 dnspass=dnspass)
1367
1368             domainguid = samdb.searchone(basedn=domaindn, attribute="objectGUID")
1369             assert isinstance(domainguid, str)
1370
1371             create_zone_file(paths.dns, setup_path, dnsdomain=names.dnsdomain,
1372                              hostip=hostip,
1373                              hostip6=hostip6, hostname=names.hostname,
1374                              realm=names.realm,
1375                              domainguid=domainguid, ntdsguid=names.ntdsguid)
1376
1377             create_named_conf(paths.namedconf, setup_path, realm=names.realm,
1378                               dnsdomain=names.dnsdomain, private_dir=paths.private_dir)
1379
1380             create_named_txt(paths.namedtxt, setup_path, realm=names.realm,
1381                               dnsdomain=names.dnsdomain, private_dir=paths.private_dir,
1382                               keytab_name=paths.dns_keytab)
1383             message("See %s for an example configuration include file for BIND" % paths.namedconf)
1384             message("and %s for further documentation required for secure DNS updates" % paths.namedtxt)
1385
1386             create_krb5_conf(paths.krb5conf, setup_path,
1387                              dnsdomain=names.dnsdomain, hostname=names.hostname,
1388                              realm=names.realm)
1389             message("A Kerberos configuration suitable for Samba 4 has been generated at %s" % paths.krb5conf)
1390
1391     #Now commit the secrets.ldb to disk
1392     secrets_ldb.transaction_commit()
1393
1394     if provision_backend is not None:
1395       if ldap_backend_type == "fedora-ds":
1396         ldapi_db = Ldb(provision_backend.ldapi_uri, lp=lp, credentials=credentials)
1397
1398         # delete default SASL mappings
1399         res = ldapi_db.search(expression="(!(cn=samba-admin mapping))", base="cn=mapping,cn=sasl,cn=config", scope=SCOPE_ONELEVEL, attrs=["dn"])
1400
1401         # configure in-directory access control on Fedora DS via the aci attribute (over a direct ldapi:// socket)
1402         for i in range (0, len(res)):
1403           dn = str(res[i]["dn"])
1404           ldapi_db.delete(dn)
1405
1406           aci = """(targetattr = "*") (version 3.0;acl "full access to all by samba-admin";allow (all)(userdn = "ldap:///CN=samba-admin,%s");)""" % names.sambadn
1407
1408           m = ldb.Message()
1409           m["aci"] = ldb.MessageElement([aci], ldb.FLAG_MOD_REPLACE, "aci")
1410
1411           m.dn = ldb.Dn(1, names.domaindn)
1412           ldapi_db.modify(m)
1413
1414           m.dn = ldb.Dn(1, names.configdn)
1415           ldapi_db.modify(m)
1416
1417           m.dn = ldb.Dn(1, names.schemadn)
1418           ldapi_db.modify(m)
1419
1420       # if an LDAP backend is in use, terminate slapd after final provision and check its proper termination
1421       if provision_backend.slapd.poll() is None:
1422         #Kill the slapd
1423         if hasattr(provision_backend.slapd, "terminate"):
1424           provision_backend.slapd.terminate()
1425         else:
1426           # Older python versions don't have .terminate()
1427           import signal
1428           os.kill(provision_backend.slapd.pid, signal.SIGTERM)
1429
1430         #and now wait for it to die
1431         provision_backend.slapd.communicate()
1432
1433     # now display slapd_command_file.txt to show how slapd must be started next time
1434         message("Use later the following commandline to start slapd, then Samba:")
1435         slapd_command = "\'" + "\' \'".join(provision_backend.slapd_command) + "\'"
1436         message(slapd_command)
1437         message("This slapd-Commandline is also stored under: " + paths.ldapdir + "/ldap_backend_startup.sh")
1438
1439         setup_file(setup_path("ldap_backend_startup.sh"), paths.ldapdir + "/ldap_backend_startup.sh", {
1440                 "SLAPD_COMMAND" : slapd_command})
1441
1442
1443     create_phpldapadmin_config(paths.phpldapadminconfig, setup_path,
1444                                ldapi_url)
1445
1446     message("Please install the phpLDAPadmin configuration located at %s into /etc/phpldapadmin/config.php" % paths.phpldapadminconfig)
1447
1448     message("Once the above files are installed, your Samba4 server will be ready to use")
1449     message("Server Role:           %s" % serverrole)
1450     message("Hostname:              %s" % names.hostname)
1451     message("NetBIOS Domain:        %s" % names.domain)
1452     message("DNS Domain:            %s" % names.dnsdomain)
1453     message("DOMAIN SID:            %s" % str(domainsid))
1454     if samdb_fill == FILL_FULL:
1455         message("Admin password:    %s" % adminpass)
1456     if provision_backend:
1457         if provision_backend.credentials.get_bind_dn() is not None:
1458             message("LDAP Backend Admin DN: %s" % provision_backend.credentials.get_bind_dn())
1459         else:
1460             message("LDAP Admin User:       %s" % provision_backend.credentials.get_username())
1461
1462         message("LDAP Admin Password:   %s" % provision_backend.credentials.get_password())
1463
1464     result = ProvisionResult()
1465     result.domaindn = domaindn
1466     result.paths = paths
1467     result.lp = lp
1468     result.samdb = samdb
1469     return result
1470
1471
1472
1473 def provision_become_dc(setup_dir=None,
1474                         smbconf=None, targetdir=None, realm=None,
1475                         rootdn=None, domaindn=None, schemadn=None,
1476                         configdn=None, serverdn=None,
1477                         domain=None, hostname=None, domainsid=None,
1478                         adminpass=None, krbtgtpass=None, domainguid=None,
1479                         policyguid=None, policyguid_dc=None, invocationid=None,
1480                         machinepass=None,
1481                         dnspass=None, root=None, nobody=None, users=None,
1482                         wheel=None, backup=None, serverrole=None,
1483                         ldap_backend=None, ldap_backend_type=None,
1484                         sitename=None, debuglevel=1):
1485
1486     def message(text):
1487         """print a message if quiet is not set."""
1488         print text
1489
1490     glue.set_debug_level(debuglevel)
1491
1492     return provision(setup_dir, message, system_session(), None,
1493               smbconf=smbconf, targetdir=targetdir, samdb_fill=FILL_DRS,
1494               realm=realm, rootdn=rootdn, domaindn=domaindn, schemadn=schemadn,
1495               configdn=configdn, serverdn=serverdn, domain=domain,
1496               hostname=hostname, hostip="127.0.0.1", domainsid=domainsid,
1497               machinepass=machinepass, serverrole="domain controller",
1498               sitename=sitename)
1499
1500
1501 def setup_db_config(setup_path, dbdir):
1502     """Setup a Berkeley database.
1503
1504     :param setup_path: Setup path function.
1505     :param dbdir: Database directory."""
1506     if not os.path.isdir(os.path.join(dbdir, "bdb-logs")):
1507         os.makedirs(os.path.join(dbdir, "bdb-logs"), 0700)
1508         if not os.path.isdir(os.path.join(dbdir, "tmp")):
1509             os.makedirs(os.path.join(dbdir, "tmp"), 0700)
1510
1511     setup_file(setup_path("DB_CONFIG"), os.path.join(dbdir, "DB_CONFIG"),
1512                {"LDAPDBDIR": dbdir})
1513
1514 class ProvisionBackend(object):
1515     def __init__(self, paths=None, setup_path=None, lp=None, credentials=None,
1516                  names=None, message=None,
1517                  hostname=None, root=None,
1518                  schema=None, ldapadminpass=None,
1519                  ldap_backend_type=None, ldap_backend_extra_port=None,
1520                  ol_mmr_urls=None,
1521                  setup_ds_path=None, slapd_path=None,
1522                  nosync=False, ldap_dryrun_mode=False):
1523         """Provision an LDAP backend for samba4
1524
1525         This works for OpenLDAP and Fedora DS
1526         """
1527
1528         self.ldapi_uri = "ldapi://" + urllib.quote(os.path.join(paths.ldapdir, "ldapi"), safe="")
1529
1530         if not os.path.isdir(paths.ldapdir):
1531             os.makedirs(paths.ldapdir, 0700)
1532
1533         if ldap_backend_type == "existing":
1534             #Check to see that this 'existing' LDAP backend in fact exists
1535             ldapi_db = Ldb(self.ldapi_uri, credentials=credentials)
1536             search_ol_rootdse = ldapi_db.search(base="", scope=SCOPE_BASE,
1537                                                 expression="(objectClass=OpenLDAProotDSE)")
1538
1539             # If we have got here, then we must have a valid connection to the LDAP server, with valid credentials supplied
1540             # This caused them to be set into the long-term database later in the script.
1541             self.credentials = credentials
1542             self.ldap_backend_type = "openldap" #For now, assume existing backends at least emulate OpenLDAP
1543             return
1544
1545         # we will shortly start slapd with ldapi for final provisioning. first check with ldapsearch -> rootDSE via self.ldapi_uri
1546         # if another instance of slapd is already running
1547         try:
1548             ldapi_db = Ldb(self.ldapi_uri)
1549             search_ol_rootdse = ldapi_db.search(base="", scope=SCOPE_BASE,
1550                                                 expression="(objectClass=OpenLDAProotDSE)");
1551             try:
1552                 f = open(paths.slapdpid, "r")
1553                 p = f.read()
1554                 f.close()
1555                 message("Check for slapd Process with PID: " + str(p) + " and terminate it manually.")
1556             except:
1557                 pass
1558
1559             raise ProvisioningError("Warning: Another slapd Instance seems already running on this host, listening to " + self.ldapi_uri + ". Please shut it down before you continue. ")
1560
1561         except LdbError, e:
1562             pass
1563
1564         # Try to print helpful messages when the user has not specified the path to slapd
1565         if slapd_path is None:
1566             raise ProvisioningError("Warning: LDAP-Backend must be setup with path to slapd, e.g. --slapd-path=\"/usr/local/libexec/slapd\"!")
1567         if not os.path.exists(slapd_path):
1568             message (slapd_path)
1569             raise ProvisioningError("Warning: Given Path to slapd does not exist!")
1570
1571         schemadb_path = os.path.join(paths.ldapdir, "schema-tmp.ldb")
1572         try:
1573             os.unlink(schemadb_path)
1574         except OSError:
1575             pass
1576
1577
1578         # Put the LDIF of the schema into a database so we can search on
1579         # it to generate schema-dependent configurations in Fedora DS and
1580         # OpenLDAP
1581         os.path.join(paths.ldapdir, "schema-tmp.ldb")
1582         schema.ldb.connect(schemadb_path)
1583         schema.ldb.transaction_start()
1584
1585         # These bits of LDIF are supplied when the Schema object is created
1586         schema.ldb.add_ldif(schema.schema_dn_add)
1587         schema.ldb.modify_ldif(schema.schema_dn_modify)
1588         schema.ldb.add_ldif(schema.schema_data)
1589         schema.ldb.transaction_commit()
1590
1591         self.credentials = Credentials()
1592         self.credentials.guess(lp)
1593         #Kerberos to an ldapi:// backend makes no sense
1594         self.credentials.set_kerberos_state(DONT_USE_KERBEROS)
1595
1596         self.adminCredentials = Credentials()
1597         self.adminCredentials.guess(lp)
1598         #Kerberos to an ldapi:// backend makes no sense
1599         self.adminCredentials.set_kerberos_state(DONT_USE_KERBEROS)
1600
1601         self.ldap_backend_type = ldap_backend_type
1602
1603         if ldap_backend_type == "fedora-ds":
1604             provision_fds_backend(self, paths=paths, setup_path=setup_path,
1605                                   names=names, message=message,
1606                                   hostname=hostname,
1607                                   ldapadminpass=ldapadminpass, root=root,
1608                                   schema=schema,
1609                                   ldap_backend_extra_port=ldap_backend_extra_port,
1610                                   setup_ds_path=setup_ds_path,
1611                                   slapd_path=slapd_path,
1612                                   nosync=nosync,
1613                                   ldap_dryrun_mode=ldap_dryrun_mode)
1614
1615         elif ldap_backend_type == "openldap":
1616             provision_openldap_backend(self, paths=paths, setup_path=setup_path,
1617                                        names=names, message=message,
1618                                        hostname=hostname,
1619                                        ldapadminpass=ldapadminpass, root=root,
1620                                        schema=schema,
1621                                        ldap_backend_extra_port=ldap_backend_extra_port,
1622                                        ol_mmr_urls=ol_mmr_urls,
1623                                        slapd_path=slapd_path,
1624                                        nosync=nosync,
1625                                        ldap_dryrun_mode=ldap_dryrun_mode)
1626         else:
1627             raise ProvisioningError("Unknown LDAP backend type selected")
1628
1629         self.credentials.set_password(ldapadminpass)
1630         self.adminCredentials.set_username("samba-admin")
1631         self.adminCredentials.set_password(ldapadminpass)
1632
1633         # Now start the slapd, so we can provision onto it.  We keep the
1634         # subprocess context around, to kill this off at the successful
1635         # end of the script
1636         self.slapd = subprocess.Popen(self.slapd_provision_command, close_fds=True, shell=False)
1637
1638         while self.slapd.poll() is None:
1639             # Wait until the socket appears
1640             try:
1641                 ldapi_db = Ldb(self.ldapi_uri, lp=lp, credentials=self.credentials)
1642                 search_ol_rootdse = ldapi_db.search(base="", scope=SCOPE_BASE,
1643                                                     expression="(objectClass=OpenLDAProotDSE)")
1644                 # If we have got here, then we must have a valid connection to the LDAP server!
1645                 return
1646             except LdbError, e:
1647                 time.sleep(1)
1648                 pass
1649
1650         raise ProvisioningError("slapd died before we could make a connection to it")
1651
1652
1653 def provision_openldap_backend(result, paths=None, setup_path=None, names=None,
1654                                message=None,
1655                                hostname=None, ldapadminpass=None, root=None,
1656                                schema=None,
1657                                ldap_backend_extra_port=None,
1658                                ol_mmr_urls=None,
1659                                slapd_path=None, nosync=False,
1660                                ldap_dryrun_mode=False):
1661
1662     #Allow the test scripts to turn off fsync() for OpenLDAP as for TDB and LDB
1663     nosync_config = ""
1664     if nosync:
1665         nosync_config = "dbnosync"
1666
1667     lnkattr = get_linked_attributes(names.schemadn,schema.ldb)
1668     refint_attributes = ""
1669     memberof_config = "# Generated from Samba4 schema\n"
1670     for att in  lnkattr.keys():
1671         if lnkattr[att] is not None:
1672             refint_attributes = refint_attributes + " " + att
1673
1674             memberof_config += read_and_sub_file(setup_path("memberof.conf"),
1675                                                  { "MEMBER_ATTR" : att ,
1676                                                    "MEMBEROF_ATTR" : lnkattr[att] })
1677
1678     refint_config = read_and_sub_file(setup_path("refint.conf"),
1679                                       { "LINK_ATTRS" : refint_attributes})
1680
1681     attrs = ["linkID", "lDAPDisplayName"]
1682     res = schema.ldb.search(expression="(&(objectclass=attributeSchema)(searchFlags:1.2.840.113556.1.4.803:=1))", base=names.schemadn, scope=SCOPE_ONELEVEL, attrs=attrs)
1683     index_config = ""
1684     for i in range (0, len(res)):
1685         index_attr = res[i]["lDAPDisplayName"][0]
1686         if index_attr == "objectGUID":
1687             index_attr = "entryUUID"
1688
1689         index_config += "index " + index_attr + " eq\n"
1690
1691 # generate serverids, ldap-urls and syncrepl-blocks for mmr hosts
1692     mmr_on_config = ""
1693     mmr_replicator_acl = ""
1694     mmr_serverids_config = ""
1695     mmr_syncrepl_schema_config = ""
1696     mmr_syncrepl_config_config = ""
1697     mmr_syncrepl_user_config = ""
1698
1699
1700     if ol_mmr_urls is not None:
1701         # For now, make these equal
1702         mmr_pass = ldapadminpass
1703
1704         url_list=filter(None,ol_mmr_urls.split(' '))
1705         if (len(url_list) == 1):
1706             url_list=filter(None,ol_mmr_urls.split(','))
1707
1708
1709             mmr_on_config = "MirrorMode On"
1710             mmr_replicator_acl = "  by dn=cn=replicator,cn=samba read"
1711             serverid=0
1712             for url in url_list:
1713                 serverid=serverid+1
1714                 mmr_serverids_config += read_and_sub_file(setup_path("mmr_serverids.conf"),
1715                                                           { "SERVERID" : str(serverid),
1716                                                             "LDAPSERVER" : url })
1717                 rid=serverid*10
1718                 rid=rid+1
1719                 mmr_syncrepl_schema_config += read_and_sub_file(setup_path("mmr_syncrepl.conf"),
1720                                                                 {  "RID" : str(rid),
1721                                                                    "MMRDN": names.schemadn,
1722                                                                    "LDAPSERVER" : url,
1723                                                                    "MMR_PASSWORD": mmr_pass})
1724
1725                 rid=rid+1
1726                 mmr_syncrepl_config_config += read_and_sub_file(setup_path("mmr_syncrepl.conf"),
1727                                                                 {  "RID" : str(rid),
1728                                                                    "MMRDN": names.configdn,
1729                                                                    "LDAPSERVER" : url,
1730                                                                    "MMR_PASSWORD": mmr_pass})
1731
1732                 rid=rid+1
1733                 mmr_syncrepl_user_config += read_and_sub_file(setup_path("mmr_syncrepl.conf"),
1734                                                               {  "RID" : str(rid),
1735                                                                  "MMRDN": names.domaindn,
1736                                                                  "LDAPSERVER" : url,
1737                                                                  "MMR_PASSWORD": mmr_pass })
1738     # OpenLDAP cn=config initialisation
1739     olc_syncrepl_config = ""
1740     olc_mmr_config = ""
1741     # if mmr = yes, generate cn=config-replication directives
1742     # and olc_seed.lif for the other mmr-servers
1743     if ol_mmr_urls is not None:
1744         serverid=0
1745         olc_serverids_config = ""
1746         olc_syncrepl_seed_config = ""
1747         olc_mmr_config += read_and_sub_file(setup_path("olc_mmr.conf"),{})
1748         rid=1000
1749         for url in url_list:
1750             serverid=serverid+1
1751             olc_serverids_config += read_and_sub_file(setup_path("olc_serverid.conf"),
1752                                                       { "SERVERID" : str(serverid),
1753                                                         "LDAPSERVER" : url })
1754
1755             rid=rid+1
1756             olc_syncrepl_config += read_and_sub_file(setup_path("olc_syncrepl.conf"),
1757                                                      {  "RID" : str(rid),
1758                                                         "LDAPSERVER" : url,
1759                                                         "MMR_PASSWORD": mmr_pass})
1760
1761             olc_syncrepl_seed_config += read_and_sub_file(setup_path("olc_syncrepl_seed.conf"),
1762                                                           {  "RID" : str(rid),
1763                                                              "LDAPSERVER" : url})
1764
1765         setup_file(setup_path("olc_seed.ldif"), paths.olcseedldif,
1766                    {"OLC_SERVER_ID_CONF": olc_serverids_config,
1767                     "OLC_PW": ldapadminpass,
1768                     "OLC_SYNCREPL_CONF": olc_syncrepl_seed_config})
1769     # end olc
1770
1771     setup_file(setup_path("slapd.conf"), paths.slapdconf,
1772                {"DNSDOMAIN": names.dnsdomain,
1773                 "LDAPDIR": paths.ldapdir,
1774                 "DOMAINDN": names.domaindn,
1775                 "CONFIGDN": names.configdn,
1776                 "SCHEMADN": names.schemadn,
1777                 "MEMBEROF_CONFIG": memberof_config,
1778                 "MIRRORMODE": mmr_on_config,
1779                 "REPLICATOR_ACL": mmr_replicator_acl,
1780                 "MMR_SERVERIDS_CONFIG": mmr_serverids_config,
1781                 "MMR_SYNCREPL_SCHEMA_CONFIG": mmr_syncrepl_schema_config,
1782                 "MMR_SYNCREPL_CONFIG_CONFIG": mmr_syncrepl_config_config,
1783                 "MMR_SYNCREPL_USER_CONFIG": mmr_syncrepl_user_config,
1784                 "OLC_SYNCREPL_CONFIG": olc_syncrepl_config,
1785                 "OLC_MMR_CONFIG": olc_mmr_config,
1786                 "REFINT_CONFIG": refint_config,
1787                 "INDEX_CONFIG": index_config,
1788                 "NOSYNC": nosync_config})
1789
1790     setup_db_config(setup_path, os.path.join(paths.ldapdir, "db", "user"))
1791     setup_db_config(setup_path, os.path.join(paths.ldapdir, "db", "config"))
1792     setup_db_config(setup_path, os.path.join(paths.ldapdir, "db", "schema"))
1793
1794     if not os.path.exists(os.path.join(paths.ldapdir, "db", "samba",  "cn=samba")):
1795         os.makedirs(os.path.join(paths.ldapdir, "db", "samba",  "cn=samba"), 0700)
1796
1797     setup_file(setup_path("cn=samba.ldif"),
1798                os.path.join(paths.ldapdir, "db", "samba",  "cn=samba.ldif"),
1799                { "UUID": str(uuid.uuid4()),
1800                  "LDAPTIME": timestring(int(time.time()))} )
1801     setup_file(setup_path("cn=samba-admin.ldif"),
1802                os.path.join(paths.ldapdir, "db", "samba",  "cn=samba", "cn=samba-admin.ldif"),
1803                {"LDAPADMINPASS_B64": b64encode(ldapadminpass),
1804                 "UUID": str(uuid.uuid4()),
1805                 "LDAPTIME": timestring(int(time.time()))} )
1806
1807     if ol_mmr_urls is not None:
1808         setup_file(setup_path("cn=replicator.ldif"),
1809                    os.path.join(paths.ldapdir, "db", "samba",  "cn=samba", "cn=replicator.ldif"),
1810                    {"MMR_PASSWORD_B64": b64encode(mmr_pass),
1811                     "UUID": str(uuid.uuid4()),
1812                     "LDAPTIME": timestring(int(time.time()))} )
1813
1814
1815     mapping = "schema-map-openldap-2.3"
1816     backend_schema = "backend-schema.schema"
1817
1818     backend_schema_data = schema.ldb.convert_schema_to_openldap("openldap", open(setup_path(mapping), 'r').read())
1819     assert backend_schema_data is not None
1820     open(os.path.join(paths.ldapdir, backend_schema), 'w').write(backend_schema_data)
1821
1822     # now we generate the needed strings to start slapd automatically,
1823     # first ldapi_uri...
1824     if ldap_backend_extra_port is not None:
1825         # When we use MMR, we can't use 0.0.0.0 as it uses the name
1826         # specified there as part of it's clue as to it's own name,
1827         # and not to replicate to itself
1828         if ol_mmr_urls is None:
1829             server_port_string = "ldap://0.0.0.0:%d" % ldap_backend_extra_port
1830         else:
1831             server_port_string = "ldap://" + names.hostname + "." + names.dnsdomain +":%d" % ldap_backend_extra_port
1832     else:
1833         server_port_string = ""
1834
1835     # Prepare the 'result' information - the commands to return in particular
1836     result.slapd_provision_command = [slapd_path]
1837
1838     result.slapd_provision_command.append("-F" + paths.olcdir)
1839
1840     result.slapd_provision_command.append("-h")
1841
1842     # copy this command so we have two version, one with -d0 and only ldapi, and one with all the listen commands
1843     result.slapd_command = list(result.slapd_provision_command)
1844
1845     result.slapd_provision_command.append(result.ldapi_uri)
1846     result.slapd_provision_command.append("-d0")
1847
1848     uris = result.ldapi_uri
1849     if server_port_string is not "":
1850         uris = uris + " " + server_port_string
1851
1852     result.slapd_command.append(uris)
1853
1854     # Set the username - done here because Fedora DS still uses the admin DN and simple bind
1855     result.credentials.set_username("samba-admin")
1856
1857     # If we were just looking for crashes up to this point, it's a
1858     # good time to exit before we realise we don't have OpenLDAP on
1859     # this system
1860     if ldap_dryrun_mode:
1861         sys.exit(0)
1862
1863     # Finally, convert the configuration into cn=config style!
1864     if not os.path.isdir(paths.olcdir):
1865         os.makedirs(paths.olcdir, 0770)
1866
1867         retcode = subprocess.call([slapd_path, "-Ttest", "-f", paths.slapdconf, "-F", paths.olcdir], close_fds=True, shell=False)
1868
1869 #        We can't do this, as OpenLDAP is strange.  It gives an error
1870 #        output to the above, but does the conversion sucessfully...
1871 #
1872 #        if retcode != 0:
1873 #            raise ProvisioningError("conversion from slapd.conf to cn=config failed")
1874
1875         if not os.path.exists(os.path.join(paths.olcdir, "cn=config.ldif")):
1876             raise ProvisioningError("conversion from slapd.conf to cn=config failed")
1877
1878         # Don't confuse the admin by leaving the slapd.conf around
1879         os.remove(paths.slapdconf)
1880
1881
1882 def provision_fds_backend(result, paths=None, setup_path=None, names=None,
1883                           message=None,
1884                           hostname=None, ldapadminpass=None, root=None,
1885                           schema=None,
1886                           ldap_backend_extra_port=None,
1887                           setup_ds_path=None,
1888                           slapd_path=None,
1889                           nosync=False,
1890                           ldap_dryrun_mode=False):
1891
1892     if ldap_backend_extra_port is not None:
1893         serverport = "ServerPort=%d" % ldap_backend_extra_port
1894     else:
1895         serverport = ""
1896
1897     setup_file(setup_path("fedorads.inf"), paths.fedoradsinf,
1898                {"ROOT": root,
1899                 "HOSTNAME": hostname,
1900                 "DNSDOMAIN": names.dnsdomain,
1901                 "LDAPDIR": paths.ldapdir,
1902                 "DOMAINDN": names.domaindn,
1903                 "LDAPMANAGERDN": names.ldapmanagerdn,
1904                 "LDAPMANAGERPASS": ldapadminpass,
1905                 "SERVERPORT": serverport})
1906
1907     setup_file(setup_path("fedorads-partitions.ldif"), paths.fedoradspartitions,
1908                {"CONFIGDN": names.configdn,
1909                 "SCHEMADN": names.schemadn,
1910                 "SAMBADN": names.sambadn,
1911                 })
1912
1913     setup_file(setup_path("fedorads-sasl.ldif"), paths.fedoradssasl,
1914                {"SAMBADN": names.sambadn,
1915                 })
1916
1917     setup_file(setup_path("fedorads-samba.ldif"), paths.fedoradssamba,
1918                 {"SAMBADN": names.sambadn,
1919                  "LDAPADMINPASS": ldapadminpass
1920                 })
1921
1922     mapping = "schema-map-fedora-ds-1.0"
1923     backend_schema = "99_ad.ldif"
1924
1925     # Build a schema file in Fedora DS format
1926     backend_schema_data = schema.ldb.convert_schema_to_openldap("fedora-ds", open(setup_path(mapping), 'r').read())
1927     assert backend_schema_data is not None
1928     open(os.path.join(paths.ldapdir, backend_schema), 'w').write(backend_schema_data)
1929
1930     result.credentials.set_bind_dn(names.ldapmanagerdn)
1931
1932     # Destory the target directory, or else setup-ds.pl will complain
1933     fedora_ds_dir = os.path.join(paths.ldapdir, "slapd-samba4")
1934     shutil.rmtree(fedora_ds_dir, True)
1935
1936     result.slapd_provision_command = [slapd_path, "-D", fedora_ds_dir, "-i", paths.slapdpid];
1937     #In the 'provision' command line, stay in the foreground so we can easily kill it
1938     result.slapd_provision_command.append("-d0")
1939
1940     #the command for the final run is the normal script
1941     result.slapd_command = [os.path.join(paths.ldapdir, "slapd-samba4", "start-slapd")]
1942
1943     # If we were just looking for crashes up to this point, it's a
1944     # good time to exit before we realise we don't have Fedora DS on
1945     if ldap_dryrun_mode:
1946         sys.exit(0)
1947
1948     # Try to print helpful messages when the user has not specified the path to the setup-ds tool
1949     if setup_ds_path is None:
1950         raise ProvisioningError("Warning: Fedora DS LDAP-Backend must be setup with path to setup-ds, e.g. --setup-ds-path=\"/usr/sbin/setup-ds.pl\"!")
1951     if not os.path.exists(setup_ds_path):
1952         message (setup_ds_path)
1953         raise ProvisioningError("Warning: Given Path to slapd does not exist!")
1954
1955     # Run the Fedora DS setup utility
1956     retcode = subprocess.call([setup_ds_path, "--silent", "--file", paths.fedoradsinf], close_fds=True, shell=False)
1957     if retcode != 0:
1958         raise ProvisioningError("setup-ds failed")
1959
1960     # Load samba-admin
1961     retcode = subprocess.call([
1962         os.path.join(paths.ldapdir, "slapd-samba4", "ldif2db"), "-s", names.sambadn, "-i", paths.fedoradssamba],
1963         close_fds=True, shell=False)
1964     if retcode != 0:
1965         raise("ldib2db failed")
1966
1967 def create_phpldapadmin_config(path, setup_path, ldapi_uri):
1968     """Create a PHP LDAP admin configuration file.
1969
1970     :param path: Path to write the configuration to.
1971     :param setup_path: Function to generate setup paths.
1972     """
1973     setup_file(setup_path("phpldapadmin-config.php"), path,
1974             {"S4_LDAPI_URI": ldapi_uri})
1975
1976
1977 def create_zone_file(path, setup_path, dnsdomain,
1978                      hostip, hostip6, hostname, realm, domainguid,
1979                      ntdsguid):
1980     """Write out a DNS zone file, from the info in the current database.
1981
1982     :param path: Path of the new zone file.
1983     :param setup_path: Setup path function.
1984     :param dnsdomain: DNS Domain name
1985     :param domaindn: DN of the Domain
1986     :param hostip: Local IPv4 IP
1987     :param hostip6: Local IPv6 IP
1988     :param hostname: Local hostname
1989     :param realm: Realm name
1990     :param domainguid: GUID of the domain.
1991     :param ntdsguid: GUID of the hosts nTDSDSA record.
1992     """
1993     assert isinstance(domainguid, str)
1994
1995     if hostip6 is not None:
1996         hostip6_base_line = "            IN AAAA    " + hostip6
1997         hostip6_host_line = hostname + "        IN AAAA    " + hostip6
1998     else:
1999         hostip6_base_line = ""
2000         hostip6_host_line = ""
2001
2002     if hostip is not None:
2003         hostip_base_line = "            IN A    " + hostip
2004         hostip_host_line = hostname + "        IN A    " + hostip
2005     else:
2006         hostip_base_line = ""
2007         hostip_host_line = ""
2008
2009     setup_file(setup_path("provision.zone"), path, {
2010             "HOSTNAME": hostname,
2011             "DNSDOMAIN": dnsdomain,
2012             "REALM": realm,
2013             "HOSTIP_BASE_LINE": hostip_base_line,
2014             "HOSTIP_HOST_LINE": hostip_host_line,
2015             "DOMAINGUID": domainguid,
2016             "DATESTRING": time.strftime("%Y%m%d%H"),
2017             "DEFAULTSITE": DEFAULTSITE,
2018             "NTDSGUID": ntdsguid,
2019             "HOSTIP6_BASE_LINE": hostip6_base_line,
2020             "HOSTIP6_HOST_LINE": hostip6_host_line,
2021         })
2022
2023
2024 def create_named_conf(path, setup_path, realm, dnsdomain,
2025                       private_dir):
2026     """Write out a file containing zone statements suitable for inclusion in a
2027     named.conf file (including GSS-TSIG configuration).
2028
2029     :param path: Path of the new named.conf file.
2030     :param setup_path: Setup path function.
2031     :param realm: Realm name
2032     :param dnsdomain: DNS Domain name
2033     :param private_dir: Path to private directory
2034     :param keytab_name: File name of DNS keytab file
2035     """
2036
2037     setup_file(setup_path("named.conf"), path, {
2038             "DNSDOMAIN": dnsdomain,
2039             "REALM": realm,
2040             "REALM_WC": "*." + ".".join(realm.split(".")[1:]),
2041             "PRIVATE_DIR": private_dir
2042             })
2043
2044 def create_named_txt(path, setup_path, realm, dnsdomain,
2045                       private_dir, keytab_name):
2046     """Write out a file containing zone statements suitable for inclusion in a
2047     named.conf file (including GSS-TSIG configuration).
2048
2049     :param path: Path of the new named.conf file.
2050     :param setup_path: Setup path function.
2051     :param realm: Realm name
2052     :param dnsdomain: DNS Domain name
2053     :param private_dir: Path to private directory
2054     :param keytab_name: File name of DNS keytab file
2055     """
2056
2057     setup_file(setup_path("named.txt"), path, {
2058             "DNSDOMAIN": dnsdomain,
2059             "REALM": realm,
2060             "DNS_KEYTAB": keytab_name,
2061             "DNS_KEYTAB_ABS": os.path.join(private_dir, keytab_name),
2062             "PRIVATE_DIR": private_dir
2063         })
2064
2065 def create_krb5_conf(path, setup_path, dnsdomain, hostname, realm):
2066     """Write out a file containing zone statements suitable for inclusion in a
2067     named.conf file (including GSS-TSIG configuration).
2068
2069     :param path: Path of the new named.conf file.
2070     :param setup_path: Setup path function.
2071     :param dnsdomain: DNS Domain name
2072     :param hostname: Local hostname
2073     :param realm: Realm name
2074     """
2075
2076     setup_file(setup_path("krb5.conf"), path, {
2077             "DNSDOMAIN": dnsdomain,
2078             "HOSTNAME": hostname,
2079             "REALM": realm,
2080         })
2081
2082