class CredentialsOptionsDouble(CredentialsOptions):
"""Command line options for specifying credentials of two servers."""
def __init__(self, parser):
CredentialsOptions.__init__(self, parser)
self.no_pass2 = True
self.add_option("--simple-bind-dn2", metavar="DN2", action="callback",
callback=self._set_simple_bind_dn2, type=str,
help="DN to use for a simple bind")
self.add_option("--password2", metavar="PASSWORD2", action="callback",
help="Password", type=str,
callback=self._set_password2)
self.add_option("--username2", metavar="USERNAME2",
action="callback", type=str,
help="Username for second server",
callback=self._parse_username2)
self.add_option("--workgroup2", metavar="WORKGROUP2",
action="callback", type=str,
help="Workgroup for second server",
callback=self._parse_workgroup2)
self.add_option("--no-pass2", action="store_true",
help="Don't ask for a password for the second server")
self.add_option("--kerberos2", metavar="KERBEROS2",
action="callback", type=str,
help="Use Kerberos", callback=self._set_kerberos2)
self.creds2 = Credentials()
def _parse_username2(self, option, opt_str, arg, parser):
self.creds2.parse_string(arg)
def _parse_workgroup2(self, option, opt_str, arg, parser):
self.creds2.set_domain(arg)
def _set_password2(self, option, opt_str, arg, parser):
self.creds2.set_password(arg)
self.no_pass2 = False
def _set_kerberos2(self, option, opt_str, arg, parser):
if bool(arg) or arg.lower() == "yes":
self.creds2.set_kerberos_state(MUST_USE_KERBEROS)
else:
self.creds2.set_kerberos_state(DONT_USE_KERBEROS)
def _set_simple_bind_dn2(self, option, opt_str, arg, parser):
self.creds2.set_bind_dn(arg)
def get_credentials2(self, lp, guess=True):
"""Obtain the credentials set on the command-line.
:param lp: Loadparm object to use.
:param guess: Try guess Credentials from environment
:return: Credentials object
"""
if guess:
self.creds2.guess(lp)
elif not self.creds2.get_username():
self.creds2.set_anonymous()
if self.no_pass2:
self.creds2.set_cmdline_callbacks()
return self.creds2
class CredentialsOptionsDouble(CredentialsOptions):
"""Command line options for specifying credentials of two servers."""
def __init__(self, parser):
CredentialsOptions.__init__(self, parser)
self.no_pass2 = True
self.add_option("--simple-bind-dn2", metavar="DN2", action="callback",
callback=self._set_simple_bind_dn2, type=str,
help="DN to use for a simple bind")
self.add_option("--password2", metavar="PASSWORD2", action="callback",
help="Password", type=str,
callback=self._set_password2)
self.add_option("--username2", metavar="USERNAME2",
action="callback", type=str,
help="Username for second server",
callback=self._parse_username2)
self.add_option("--workgroup2", metavar="WORKGROUP2",
action="callback", type=str,
help="Workgroup for second server",
callback=self._parse_workgroup2)
self.add_option("--no-pass2", action="store_true",
help="Don't ask for a password for the second server")
self.add_option("--kerberos2", metavar="KERBEROS2",
action="callback", type=str,
help="Use Kerberos", callback=self._set_kerberos2)
self.creds2 = Credentials()
def _parse_username2(self, option, opt_str, arg, parser):
self.creds2.parse_string(arg)
def _parse_workgroup2(self, option, opt_str, arg, parser):
self.creds2.set_domain(arg)
def _set_password2(self, option, opt_str, arg, parser):
self.creds2.set_password(arg)
self.no_pass2 = False
def _set_kerberos2(self, option, opt_str, arg, parser):
self.creds2.set_kerberos_state(parse_kerberos_arg(arg, opt_str))
def _set_simple_bind_dn2(self, option, opt_str, arg, parser):
self.creds2.set_bind_dn(arg)
def get_credentials2(self, lp, guess=True):
"""Obtain the credentials set on the command-line.
:param lp: Loadparm object to use.
:param guess: Try guess Credentials from environment
:return: Credentials object
"""
if guess:
self.creds2.guess(lp)
elif not self.creds2.get_username():
self.creds2.set_anonymous()
if self.no_pass2:
self.creds2.set_cmdline_callbacks()
return self.creds2
common_sids = group_sids.intersection(user_sids)
if common_sids:
logger.error("Following sids are both user and group sids:")
for sid in common_sids:
logger.error(" %s" % str(sid))
raise ProvisioningError(
"Please remove duplicate sid entries before upgrade.")
# Get posix attributes from ldap or the os
homes = {}
shells = {}
pgids = {}
if ldap:
creds = Credentials()
creds.guess(samba3.lp)
creds.set_bind_dn(ldapuser)
creds.set_password(ldappass)
urls = samba3.lp.get("passdb backend").split(":", 1)[1].strip('"')
for url in urls.split():
try:
ldb_object = Ldb(url, credentials=creds)
except ldb.LdbError, e:
logger.warning(
"Could not open ldb connection to %s, the error message is: %s",
url, e)
else:
break
logger.info("Exporting posix attributes")
userlist = s3db.search_users(0)
for entry in userlist:
username = entry['account_name']
raise ProvisioningError("Please remove duplicate user sid entries before upgrade.")
common_sids = group_sids.intersection(user_sids)
if common_sids:
logger.error("Following sids are both user and group sids:")
for sid in common_sids:
logger.error(" %s" % str(sid))
raise ProvisioningError("Please remove duplicate sid entries before upgrade.")
# Get posix attributes from ldap or the os
homes = {}
shells = {}
pgids = {}
if ldap:
creds = Credentials()
creds.guess(samba3.lp)
creds.set_bind_dn(ldapuser)
creds.set_password(ldappass)
urls = samba3.lp.get("passdb backend").split(":",1)[1].strip('"')
for url in urls.split():
try:
ldb_object = Ldb(url, credentials=creds)
except ldb.LdbError, e:
raise ProvisioningError("Could not open ldb connection to %s, the error message is: %s" % (url, e))
else:
break
logger.info("Exporting posix attributes")
userlist = s3db.search_users(0)
for entry in userlist:
username = entry['account_name']
if username in uids.keys():
try:
class CredentialsOptions(optparse.OptionGroup):
"""Command line options for specifying credentials."""
def __init__(self, parser):
self.no_pass = True
self.ipaddress = None
optparse.OptionGroup.__init__(self, parser, "Credentials Options")
self.add_option("--simple-bind-dn",
metavar="DN",
action="callback",
callback=self._set_simple_bind_dn,
type=str,
help="DN to use for a simple bind")
self.add_option("--password",
metavar="PASSWORD",
action="callback",
help="Password",
type=str,
callback=self._set_password)
self.add_option("-U",
"--username",
metavar="USERNAME",
action="callback",
type=str,
help="Username",
callback=self._parse_username)
self.add_option("-W",
"--workgroup",
metavar="WORKGROUP",
action="callback",
type=str,
help="Workgroup",
callback=self._parse_workgroup)
self.add_option("-N",
"--no-pass",
action="store_true",
help="Don't ask for a password")
self.add_option("-k",
"--kerberos",
metavar="KERBEROS",
action="callback",
type=str,
help="Use Kerberos",
callback=self._set_kerberos)
self.add_option("",
"--ipaddress",
metavar="IPADDRESS",
action="callback",
type=str,
help="IP address of server",
callback=self._set_ipaddress)
self.creds = Credentials()
def _parse_username(self, option, opt_str, arg, parser):
self.creds.parse_string(arg)
def _parse_workgroup(self, option, opt_str, arg, parser):
self.creds.set_domain(arg)
def _set_password(self, option, opt_str, arg, parser):
self.creds.set_password(arg)
self.no_pass = False
def _set_ipaddress(self, option, opt_str, arg, parser):
self.ipaddress = arg
def _set_kerberos(self, option, opt_str, arg, parser):
self.creds.set_kerberos_state(parse_kerberos_arg(arg, opt_str))
def _set_simple_bind_dn(self, option, opt_str, arg, parser):
self.creds.set_bind_dn(arg)
def get_credentials(self, lp, fallback_machine=False):
"""Obtain the credentials set on the command-line.
:param lp: Loadparm object to use.
:return: Credentials object
"""
self.creds.guess(lp)
if self.no_pass:
self.creds.set_cmdline_callbacks()
# possibly fallback to using the machine account, if we have
# access to the secrets db
if fallback_machine and not self.creds.authentication_requested():
try:
self.creds.set_machine_account(lp)
except Exception:
pass
return self.creds
def upgrade_from_samba3(samba3,
logger,
targetdir,
session_info=None,
useeadb=False,
dns_backend=None,
use_ntvfs=False):
"""Upgrade from samba3 database to samba4 AD database
:param samba3: samba3 object
:param logger: Logger object
:param targetdir: samba4 database directory
:param session_info: Session information
"""
serverrole = samba3.lp.server_role()
domainname = samba3.lp.get("workgroup")
realm = samba3.lp.get("realm")
netbiosname = samba3.lp.get("netbios name")
if samba3.lp.get("ldapsam:trusted") is None:
samba3.lp.set("ldapsam:trusted", "yes")
# secrets db
try:
secrets_db = samba3.get_secrets_db()
except IOError as e:
raise ProvisioningError(
"Could not open '%s', the Samba3 secrets database: %s. Perhaps you specified the incorrect smb.conf, --testparm or --dbdir option?"
% (samba3.privatedir_path("secrets.tdb"), str(e)))
if not domainname:
domainname = secrets_db.domains()[0]
logger.warning(
"No workgroup specified in smb.conf file, assuming '%s'",
domainname)
if not realm:
if serverrole == "ROLE_DOMAIN_BDC" or serverrole == "ROLE_DOMAIN_PDC":
raise ProvisioningError(
"No realm specified in smb.conf file and being a DC. That upgrade path doesn't work! Please add a 'realm' directive to your old smb.conf to let us know which one you want to use (it is the DNS name of the AD domain you wish to create."
)
else:
realm = domainname.upper()
logger.warning(
"No realm specified in smb.conf file, assuming '%s'", realm)
# Find machine account and password
next_rid = 1000
try:
machinepass = secrets_db.get_machine_password(netbiosname)
except KeyError:
machinepass = None
if samba3.lp.get("passdb backend").split(":")[0].strip() == "ldapsam":
base_dn = samba3.lp.get("ldap suffix")
ldapuser = samba3.lp.get("ldap admin dn")
ldappass = secrets_db.get_ldap_bind_pw(ldapuser)
if ldappass is None:
raise ProvisioningError(
"ldapsam passdb backend detected but no LDAP Bind PW found in secrets.tdb for user %s. Please point this tool at the secrets.tdb that was used by the previous installation."
)
ldappass = ldappass.decode('utf-8').strip('\x00')
ldap = True
else:
ldapuser = None
ldappass = None
ldap = False
# We must close the direct pytdb database before the C code loads it
secrets_db.close()
# Connect to old password backend
passdb.set_secrets_dir(samba3.lp.get("private dir"))
s3db = samba3.get_sam_db()
# Get domain sid
try:
domainsid = passdb.get_global_sam_sid()
except passdb.error:
raise Exception("Can't find domain sid for '%s', Exiting." %
domainname)
# Get machine account, sid, rid
try:
machineacct = s3db.getsampwnam('%s$' % netbiosname)
except passdb.error:
machinerid = None
machinesid = None
else:
machinesid, machinerid = machineacct.user_sid.split()
# Export account policy
logger.info("Exporting account policy")
policy = s3db.get_account_policy()
# Export groups from old passdb backend
logger.info("Exporting groups")
grouplist = s3db.enum_group_mapping()
groupmembers = {}
for group in grouplist:
sid, rid = group.sid.split()
if sid == domainsid:
if rid >= next_rid:
next_rid = rid + 1
# Get members for each group/alias
if group.sid_name_use == lsa.SID_NAME_ALIAS:
try:
members = s3db.enum_aliasmem(group.sid)
groupmembers[str(group.sid)] = members
except passdb.error as e:
logger.warn(
"Ignoring group '%s' %s listed but then not found: %s",
group.nt_name, group.sid, e)
continue
elif group.sid_name_use == lsa.SID_NAME_DOM_GRP:
try:
members = s3db.enum_group_members(group.sid)
groupmembers[str(group.sid)] = members
except passdb.error as e:
logger.warn(
"Ignoring group '%s' %s listed but then not found: %s",
group.nt_name, group.sid, e)
continue
elif group.sid_name_use == lsa.SID_NAME_WKN_GRP:
(group_dom_sid, rid) = group.sid.split()
if (group_dom_sid != security.dom_sid(security.SID_BUILTIN)):
logger.warn(
"Ignoring 'well known' group '%s' (should already be in AD, and have no members)",
group.nt_name)
continue
# A number of buggy databases mix up well known groups and aliases.
try:
members = s3db.enum_aliasmem(group.sid)
groupmembers[str(group.sid)] = members
except passdb.error as e:
logger.warn(
"Ignoring group '%s' %s listed but then not found: %s",
group.nt_name, group.sid, e)
continue
else:
logger.warn("Ignoring group '%s' %s with sid_name_use=%d",
group.nt_name, group.sid, group.sid_name_use)
continue
# Export users from old passdb backend
logger.info("Exporting users")
userlist = s3db.search_users(0)
userdata = {}
uids = {}
admin_user = None
for entry in userlist:
if machinerid and machinerid == entry['rid']:
continue
username = entry['account_name']
if entry['rid'] < 1000:
logger.info(" Skipping wellknown rid=%d (for username=%s)",
entry['rid'], username)
continue
if entry['rid'] >= next_rid:
next_rid = entry['rid'] + 1
user = s3db.getsampwnam(username)
acct_type = (user.acct_ctrl &
(samr.ACB_NORMAL | samr.ACB_WSTRUST | samr.ACB_SVRTRUST
| samr.ACB_DOMTRUST))
if acct_type == samr.ACB_SVRTRUST:
logger.warn(
" Demoting BDC account trust for %s, this DC must be elevated to an AD DC using 'samba-tool domain dcpromo'"
% username[:-1])
user.acct_ctrl = (user.acct_ctrl
& ~samr.ACB_SVRTRUST) | samr.ACB_WSTRUST
elif acct_type == samr.ACB_DOMTRUST:
logger.warn(
" Skipping inter-domain trust from domain %s, this trust must be re-created as an AD trust"
% username[:-1])
continue
elif acct_type == (samr.ACB_WSTRUST) and username[-1] != '$':
logger.warn(
" Skipping account %s that has ACB_WSTRUST (W) set but does not end in $. This account can not have worked, and is probably left over from a misconfiguration."
% username)
continue
elif acct_type == (samr.ACB_NORMAL
| samr.ACB_WSTRUST) and username[-1] == '$':
logger.warn(
" Fixing account %s which had both ACB_NORMAL (U) and ACB_WSTRUST (W) set. Account will be marked as ACB_WSTRUST (W), i.e. as a domain member"
% username)
user.acct_ctrl = (user.acct_ctrl & ~samr.ACB_NORMAL)
elif acct_type == (samr.ACB_NORMAL
| samr.ACB_SVRTRUST) and username[-1] == '$':
logger.warn(
" Fixing account %s which had both ACB_NORMAL (U) and ACB_SVRTRUST (S) set. Account will be marked as ACB_WSTRUST (S), i.e. as a domain member"
% username)
user.acct_ctrl = (user.acct_ctrl & ~samr.ACB_NORMAL)
elif acct_type == 0 and username[-1] != '$':
user.acct_ctrl = (user.acct_ctrl | samr.ACB_NORMAL)
elif (acct_type == samr.ACB_NORMAL or acct_type == samr.ACB_WSTRUST):
pass
else:
raise ProvisioningError(
"""Failed to upgrade due to invalid account %s, account control flags 0x%08X must have exactly one of
ACB_NORMAL (N, 0x%08X), ACB_WSTRUST (W 0x%08X), ACB_SVRTRUST (S 0x%08X) or ACB_DOMTRUST (D 0x%08X).
Please fix this account before attempting to upgrade again
""" % (username, user.acct_ctrl, samr.ACB_NORMAL, samr.ACB_WSTRUST,
samr.ACB_SVRTRUST, samr.ACB_DOMTRUST))
userdata[username] = user
try:
uids[username] = s3db.sid_to_id(user.user_sid)[0]
except passdb.error:
try:
uids[username] = pwd.getpwnam(username).pw_uid
except KeyError:
pass
if not admin_user and username.lower() == 'root':
admin_user = username
if username.lower() == 'administrator':
admin_user = username
try:
group_memberships = s3db.enum_group_memberships(user)
for group in group_memberships:
if str(group) in groupmembers:
if user.user_sid not in groupmembers[str(group)]:
groupmembers[str(group)].append(user.user_sid)
else:
groupmembers[str(group)] = [user.user_sid]
except passdb.error as e:
logger.warn("Ignoring group memberships of '%s' %s: %s", username,
user.user_sid, e)
logger.info("Next rid = %d", next_rid)
# Check for same username/groupname
group_names = set([g.nt_name for g in grouplist])
user_names = set([u['account_name'] for u in userlist])
common_names = group_names.intersection(user_names)
if common_names:
logger.error("Following names are both user names and group names:")
for name in common_names:
logger.error(" %s" % name)
raise ProvisioningError(
"Please remove common user/group names before upgrade.")
# Check for same user sid/group sid
group_sids = set([str(g.sid) for g in grouplist])
if len(grouplist) != len(group_sids):
raise ProvisioningError(
"Please remove duplicate group sid entries before upgrade.")
user_sids = set(["%s-%u" % (domainsid, u['rid']) for u in userlist])
if len(userlist) != len(user_sids):
raise ProvisioningError(
"Please remove duplicate user sid entries before upgrade.")
common_sids = group_sids.intersection(user_sids)
if common_sids:
logger.error("Following sids are both user and group sids:")
for sid in common_sids:
logger.error(" %s" % str(sid))
raise ProvisioningError(
"Please remove duplicate sid entries before upgrade.")
# Get posix attributes from ldap or the os
homes = {}
shells = {}
pgids = {}
if ldap:
creds = Credentials()
creds.guess(samba3.lp)
creds.set_bind_dn(ldapuser)
creds.set_password(ldappass)
urls = samba3.lp.get("passdb backend").split(":", 1)[1].strip('"')
for url in urls.split():
try:
ldb_object = Ldb(url, credentials=creds)
except ldb.LdbError as e:
raise ProvisioningError(
"Could not open ldb connection to %s, the error message is: %s"
% (url, e))
else:
break
logger.info("Exporting posix attributes")
userlist = s3db.search_users(0)
for entry in userlist:
username = entry['account_name']
if username in uids.keys():
try:
if ldap:
homes[username] = get_posix_attr_from_ldap_backend(
logger, ldb_object, base_dn, username, "homeDirectory")
else:
homes[username] = pwd.getpwnam(username).pw_dir
except KeyError:
pass
except IndexError:
pass
try:
if ldap:
shells[username] = get_posix_attr_from_ldap_backend(
logger, ldb_object, base_dn, username, "loginShell")
else:
shells[username] = pwd.getpwnam(username).pw_shell
except KeyError:
pass
except IndexError:
pass
try:
if ldap:
pgids[username] = get_posix_attr_from_ldap_backend(
logger, ldb_object, base_dn, username, "gidNumber")
else:
pgids[username] = pwd.getpwnam(username).pw_gid
except KeyError:
pass
except IndexError:
pass
logger.info("Reading WINS database")
samba3_winsdb = None
try:
samba3_winsdb = samba3.get_wins_db()
except IOError as e:
logger.warn('Cannot open wins database, Ignoring: %s', str(e))
if not (serverrole == "ROLE_DOMAIN_BDC"
or serverrole == "ROLE_DOMAIN_PDC"):
dns_backend = "NONE"
# If we found an admin user, set a fake pw that we will override.
# This avoids us printing out an admin password that we won't actually
# set.
if admin_user:
adminpass = generate_random_password(12, 32)
else:
adminpass = None
# Do full provision
result = provision(logger,
session_info,
targetdir=targetdir,
realm=realm,
domain=domainname,
domainsid=domainsid,
next_rid=next_rid,
dc_rid=machinerid,
adminpass=adminpass,
dom_for_fun_level=dsdb.DS_DOMAIN_FUNCTION_2003,
hostname=netbiosname.lower(),
machinepass=machinepass,
serverrole=serverrole,
samdb_fill=FILL_FULL,
useeadb=useeadb,
dns_backend=dns_backend,
use_rfc2307=True,
use_ntvfs=use_ntvfs,
skip_sysvolacl=True)
result.report_logger(logger)
# Import WINS database
logger.info("Importing WINS database")
if samba3_winsdb:
import_wins(Ldb(result.paths.winsdb), samba3_winsdb)
# Set Account policy
logger.info("Importing Account policy")
import_sam_policy(result.samdb, policy, logger)
# Migrate IDMAP database
logger.info("Importing idmap database")
import_idmap(result.idmap, samba3, logger)
# Set the s3 context for samba4 configuration
new_lp_ctx = s3param.get_context()
new_lp_ctx.load(result.lp.configfile)
new_lp_ctx.set("private dir", result.lp.get("private dir"))
new_lp_ctx.set("state directory", result.lp.get("state directory"))
new_lp_ctx.set("lock directory", result.lp.get("lock directory"))
# Connect to samba4 backend
s4_passdb = passdb.PDB(new_lp_ctx.get("passdb backend"))
# Start a new transaction (should speed this up a little, due to index churn)
result.samdb.transaction_start()
logger.info("Adding groups")
try:
# Export groups to samba4 backend
logger.info("Importing groups")
for g in grouplist:
# Ignore uninitialized groups (gid = -1)
if g.gid != -1:
add_group_from_mapping_entry(result.samdb, g, logger)
add_ad_posix_idmap_entry(result.samdb, g.sid, g.gid,
"ID_TYPE_GID", logger)
add_posix_attrs(samdb=result.samdb,
sid=g.sid,
name=g.nt_name,
nisdomain=domainname.lower(),
xid_type="ID_TYPE_GID",
logger=logger)
except:
# We need this, so that we do not give even more errors due to not cancelling the transaction
result.samdb.transaction_cancel()
raise
logger.info("Committing 'add groups' transaction to disk")
result.samdb.transaction_commit()
logger.info("Adding users")
# Export users to samba4 backend
logger.info("Importing users")
for username in userdata:
if username.lower() == 'administrator':
if userdata[username].user_sid != dom_sid(str(domainsid) + "-500"):
logger.error(
"User 'Administrator' in your existing directory has SID %s, expected it to be %s"
% (userdata[username].user_sid,
dom_sid(str(domainsid) + "-500")))
raise ProvisioningError(
"User 'Administrator' in your existing directory does not have SID ending in -500"
)
if username.lower() == 'root':
if userdata[username].user_sid == dom_sid(str(domainsid) + "-500"):
logger.warn('User root has been replaced by Administrator')
else:
logger.warn(
'User root has been kept in the directory, it should be removed in favour of the Administrator user'
)
s4_passdb.add_sam_account(userdata[username])
if username in uids:
add_ad_posix_idmap_entry(result.samdb, userdata[username].user_sid,
uids[username], "ID_TYPE_UID", logger)
if (username in homes) and (homes[username] is not None) and \
(username in shells) and (shells[username] is not None) and \
(username in pgids) and (pgids[username] is not None):
add_posix_attrs(samdb=result.samdb,
sid=userdata[username].user_sid,
name=username,
nisdomain=domainname.lower(),
xid_type="ID_TYPE_UID",
home=homes[username],
shell=shells[username],
pgid=pgids[username],
logger=logger)
logger.info("Adding users to groups")
# Start a new transaction (should speed this up a little, due to index churn)
result.samdb.transaction_start()
try:
for g in grouplist:
if str(g.sid) in groupmembers:
add_users_to_group(result.samdb, g, groupmembers[str(g.sid)],
logger)
except:
# We need this, so that we do not give even more errors due to not cancelling the transaction
result.samdb.transaction_cancel()
raise
logger.info("Committing 'add users to groups' transaction to disk")
result.samdb.transaction_commit()
# Set password for administrator
if admin_user:
logger.info("Setting password for administrator")
admin_userdata = s4_passdb.getsampwnam("administrator")
admin_userdata.nt_passwd = userdata[admin_user].nt_passwd
if userdata[admin_user].lanman_passwd:
admin_userdata.lanman_passwd = userdata[admin_user].lanman_passwd
admin_userdata.pass_last_set_time = userdata[
admin_user].pass_last_set_time
if userdata[admin_user].pw_history:
admin_userdata.pw_history = userdata[admin_user].pw_history
s4_passdb.update_sam_account(admin_userdata)
logger.info(
"Administrator password has been set to password of user '%s'",
admin_user)
if result.server_role == "active directory domain controller":
setsysvolacl(result.samdb, result.paths.netlogon, result.paths.sysvol,
result.paths.root_uid, result.paths.root_gid,
security.dom_sid(result.domainsid),
result.names.dnsdomain, result.names.domaindn, result.lp,
use_ntvfs)
class CredentialsOptions(optparse.OptionGroup):
"""Command line options for specifying credentials."""
def __init__(self, parser, special_name=None):
self.special_name = special_name
if special_name is not None:
self.section = "Credentials Options (%s)" % special_name
else:
self.section = "Credentials Options"
self.ask_for_password = True
self.ipaddress = None
self.machine_pass = False
optparse.OptionGroup.__init__(self, parser, self.section)
self._add_option("--simple-bind-dn", metavar="DN", action="callback",
callback=self._set_simple_bind_dn, type=str,
help="DN to use for a simple bind")
self._add_option("--password", metavar="PASSWORD", action="callback",
help="Password", type=str, callback=self._set_password)
self._add_option("-U", "--username", metavar="USERNAME",
action="callback", type=str,
help="Username", callback=self._parse_username)
self._add_option("-W", "--workgroup", metavar="WORKGROUP",
action="callback", type=str,
help="Workgroup", callback=self._parse_workgroup)
self._add_option("-N", "--no-pass", action="callback",
help="Don't ask for a password",
callback=self._set_no_password)
self._add_option("-k", "--kerberos", metavar="KERBEROS",
action="callback", type=str,
help="Use Kerberos", callback=self._set_kerberos)
self._add_option("", "--ipaddress", metavar="IPADDRESS",
action="callback", type=str,
help="IP address of server",
callback=self._set_ipaddress)
self._add_option("-P", "--machine-pass",
action="callback",
help="Use stored machine account password",
callback=self._set_machine_pass)
self._add_option("--krb5-ccache", metavar="KRB5CCNAME",
action="callback", type=str,
help="Kerberos Credentials cache",
callback=self._set_krb5_ccache)
self.creds = Credentials()
def _add_option(self, *args1, **kwargs):
if self.special_name is None:
return self.add_option(*args1, **kwargs)
args2 = ()
for a in args1:
if not a.startswith("--"):
continue
args2 += (a.replace("--", "--%s-" % self.special_name),)
self.add_option(*args2, **kwargs)
def _parse_username(self, option, opt_str, arg, parser):
self.creds.parse_string(arg)
self.machine_pass = False
def _parse_workgroup(self, option, opt_str, arg, parser):
self.creds.set_domain(arg)
def _set_password(self, option, opt_str, arg, parser):
self.creds.set_password(arg)
self.ask_for_password = False
self.machine_pass = False
def _set_no_password(self, option, opt_str, arg, parser):
self.ask_for_password = False
def _set_machine_pass(self, option, opt_str, arg, parser):
self.machine_pass = True
def _set_ipaddress(self, option, opt_str, arg, parser):
self.ipaddress = arg
def _set_kerberos(self, option, opt_str, arg, parser):
self.creds.set_kerberos_state(parse_kerberos_arg(arg, opt_str))
def _set_simple_bind_dn(self, option, opt_str, arg, parser):
self.creds.set_bind_dn(arg)
def _set_krb5_ccache(self, option, opt_str, arg, parser):
self.creds.set_named_ccache(arg)
def get_credentials(self, lp, fallback_machine=False):
"""Obtain the credentials set on the command-line.
:param lp: Loadparm object to use.
:return: Credentials object
"""
self.creds.guess(lp)
if self.machine_pass:
self.creds.set_machine_account(lp)
elif self.ask_for_password:
self.creds.set_cmdline_callbacks()
# possibly fallback to using the machine account, if we have
# access to the secrets db
if fallback_machine and not self.creds.authentication_requested():
try:
self.creds.set_machine_account(lp)
except Exception:
pass
return self.creds
class CredentialsOptions(optparse.OptionGroup):
"""Command line options for specifying credentials."""
def __init__(self, parser, special_name=None):
self.special_name = special_name
if special_name is not None:
self.section = "Credentials Options (%s)" % special_name
else:
self.section = "Credentials Options"
self.ask_for_password = True
self.ipaddress = None
self.machine_pass = False
optparse.OptionGroup.__init__(self, parser, self.section)
self._add_option("--simple-bind-dn",
metavar="DN",
action="callback",
callback=self._set_simple_bind_dn,
type=str,
help="DN to use for a simple bind")
self._add_option("--password",
metavar="PASSWORD",
action="callback",
help="Password",
type=str,
callback=self._set_password)
self._add_option("-U",
"--username",
metavar="USERNAME",
action="callback",
type=str,
help="Username",
callback=self._parse_username)
self._add_option("-W",
"--workgroup",
metavar="WORKGROUP",
action="callback",
type=str,
help="Workgroup",
callback=self._parse_workgroup)
self._add_option("-N",
"--no-pass",
action="callback",
help="Don't ask for a password",
callback=self._set_no_password)
self._add_option("-k",
"--kerberos",
metavar="KERBEROS",
action="callback",
type=str,
help="Use Kerberos",
callback=self._set_kerberos)
self._add_option("",
"--ipaddress",
metavar="IPADDRESS",
action="callback",
type=str,
help="IP address of server",
callback=self._set_ipaddress)
self._add_option("-P",
"--machine-pass",
action="callback",
help="Use stored machine account password",
callback=self._set_machine_pass)
self.creds = Credentials()
def _add_option(self, *args1, **kwargs):
if self.special_name is None:
return self.add_option(*args1, **kwargs)
args2 = ()
for a in args1:
if not a.startswith("--"):
continue
args2 += (a.replace("--", "--%s-" % self.special_name), )
self.add_option(*args2, **kwargs)
def _parse_username(self, option, opt_str, arg, parser):
self.creds.parse_string(arg)
self.machine_pass = False
def _parse_workgroup(self, option, opt_str, arg, parser):
self.creds.set_domain(arg)
def _set_password(self, option, opt_str, arg, parser):
self.creds.set_password(arg)
self.ask_for_password = False
self.machine_pass = False
def _set_no_password(self, option, opt_str, arg, parser):
self.ask_for_password = False
def _set_machine_pass(self, option, opt_str, arg, parser):
self.machine_pass = True
def _set_ipaddress(self, option, opt_str, arg, parser):
self.ipaddress = arg
def _set_kerberos(self, option, opt_str, arg, parser):
self.creds.set_kerberos_state(parse_kerberos_arg(arg, opt_str))
def _set_simple_bind_dn(self, option, opt_str, arg, parser):
self.creds.set_bind_dn(arg)
def get_credentials(self, lp, fallback_machine=False):
"""Obtain the credentials set on the command-line.
:param lp: Loadparm object to use.
:return: Credentials object
"""
self.creds.guess(lp)
if self.machine_pass:
self.creds.set_machine_account(lp)
elif self.ask_for_password:
self.creds.set_cmdline_callbacks()
# possibly fallback to using the machine account, if we have
# access to the secrets db
if fallback_machine and not self.creds.authentication_requested():
try:
self.creds.set_machine_account(lp)
except Exception:
pass
return self.creds
class CredentialsOptions(optparse.OptionGroup):
"""Command line options for specifying credentials."""
def __init__(self, parser):
self.no_pass = True
self.ipaddress = None
optparse.OptionGroup.__init__(self, parser, "Credentials Options")
self.add_option("--simple-bind-dn", metavar="DN", action="callback",
callback=self._set_simple_bind_dn, type=str,
help="DN to use for a simple bind")
self.add_option("--password", metavar="PASSWORD", action="callback",
help="Password", type=str, callback=self._set_password)
self.add_option("-U", "--username", metavar="USERNAME",
action="callback", type=str,
help="Username", callback=self._parse_username)
self.add_option("-W", "--workgroup", metavar="WORKGROUP",
action="callback", type=str,
help="Workgroup", callback=self._parse_workgroup)
self.add_option("-N", "--no-pass", action="store_true",
help="Don't ask for a password")
self.add_option("-k", "--kerberos", metavar="KERBEROS",
action="callback", type=str,
help="Use Kerberos", callback=self._set_kerberos)
self.add_option("", "--ipaddress", metavar="IPADDRESS",
action="callback", type=str,
help="IP address of server", callback=self._set_ipaddress)
self.creds = Credentials()
def _parse_username(self, option, opt_str, arg, parser):
self.creds.parse_string(arg)
def _parse_workgroup(self, option, opt_str, arg, parser):
self.creds.set_domain(arg)
def _set_password(self, option, opt_str, arg, parser):
self.creds.set_password(arg)
self.no_pass = False
def _set_ipaddress(self, option, opt_str, arg, parser):
self.ipaddress = arg
def _set_kerberos(self, option, opt_str, arg, parser):
if arg.lower() in ["yes", 'true', '1']:
self.creds.set_kerberos_state(MUST_USE_KERBEROS)
elif arg.lower() in ["no", 'false', '0']:
self.creds.set_kerberos_state(DONT_USE_KERBEROS)
else:
raise optparse.BadOptionErr("invalid kerberos option: %s" % arg)
def _set_simple_bind_dn(self, option, opt_str, arg, parser):
self.creds.set_bind_dn(arg)
def get_credentials(self, lp, fallback_machine=False):
"""Obtain the credentials set on the command-line.
:param lp: Loadparm object to use.
:return: Credentials object
"""
self.creds.guess(lp)
if self.no_pass:
self.creds.set_cmdline_callbacks()
# possibly fallback to using the machine account, if we have
# access to the secrets db
if fallback_machine and not self.creds.authentication_requested():
try:
self.creds.set_machine_account(lp)
except Exception:
pass
return self.creds
class CredentialsOptions(optparse.OptionGroup):
"""Command line options for specifying credentials."""
def __init__(self, parser, special_name=None):
self.special_name = special_name
if special_name is not None:
self.section = "Credentials Options (%s)" % special_name
else:
self.section = "Credentials Options"
self.ask_for_password = True
self.ipaddress = None
self.machine_pass = False
optparse.OptionGroup.__init__(self, parser, self.section)
self._add_option("--simple-bind-dn", metavar="DN", action="callback",
callback=self._set_simple_bind_dn, type=str,
help="DN to use for a simple bind")
self._add_option("--password", metavar="PASSWORD", action="callback",
help="Password", type=str, callback=self._set_password)
self._add_option("-U", "--username", metavar="USERNAME",
action="callback", type=str,
help="Username", callback=self._parse_username)
self._add_option("-W", "--workgroup", metavar="WORKGROUP",
action="callback", type=str,
help="Workgroup", callback=self._parse_workgroup)
self._add_option("-N", "--no-pass", action="callback",
help="Don't ask for a password",
callback=self._set_no_password)
self._add_option("-k", "--kerberos", metavar="KERBEROS",
action="callback", type=str,
help="Use Kerberos", callback=self._set_kerberos)
self._add_option("", "--ipaddress", metavar="IPADDRESS",
action="callback", type=str,
help="IP address of server",
callback=self._set_ipaddress)
self._add_option("-P", "--machine-pass",
action="callback",
help="Use stored machine account password",
callback=self._set_machine_pass)
self._add_option("--krb5-ccache", metavar="KRB5CCNAME",
action="callback", type=str,
help="Kerberos Credentials cache",
callback=self._set_krb5_ccache)
self.creds = Credentials()
def _ensure_secure_proctitle(self, opt_str, secret_data, data_type="password"):
""" Make sure no sensitive data (e.g. password) resides in proctitle. """
import re
try:
import setproctitle
except ModuleNotFoundError:
msg = ("WARNING: Using %s on command line is insecure. "
"Please install the setproctitle python module.\n"
% data_type)
sys.stderr.write(msg)
sys.stderr.flush()
return False
# Regex to search and replace secret data + option with.
# .*[ ]+ -> Before the option must be one or more spaces.
# [= ] -> The option and the secret data might be separated by space
# or equal sign.
# [ ]*.* -> After the secret data might be one, many or no space.
pass_opt_re_str = "(.*[ ]+)(%s[= ]%s)([ ]*.*)" % (opt_str, secret_data)
pass_opt_re = re.compile(pass_opt_re_str)
# Get current proctitle.
cur_proctitle = setproctitle.getproctitle()
# Make sure we build the correct regex.
if not pass_opt_re.match(cur_proctitle):
msg = ("Unable to hide %s in proctitle. This is most likely "
"a bug!\n" % data_type)
sys.stderr.write(msg)
sys.stderr.flush()
return False
# String to replace secret data with.
secret_data_replacer = "xxx"
# Build string to replace secret data and option with. And as we dont
# want to change anything else than the secret data within the proctitle
# we have to check if the option was passed with space or equal sign as
# separator.
opt_pass_with_eq = "%s=%s" % (opt_str, secret_data)
opt_pass_part = re.sub(pass_opt_re_str, r'\2', cur_proctitle)
if opt_pass_part == opt_pass_with_eq:
replace_str = "%s=%s" % (opt_str, secret_data_replacer)
else:
replace_str = "%s %s" % (opt_str, secret_data_replacer)
# Build new proctitle:
new_proctitle = re.sub(pass_opt_re_str,
r'\1' + replace_str + r'\3',
cur_proctitle)
# Set new proctitle.
setproctitle.setproctitle(new_proctitle)
def _add_option(self, *args1, **kwargs):
if self.special_name is None:
return self.add_option(*args1, **kwargs)
args2 = ()
for a in args1:
if not a.startswith("--"):
continue
args2 += (a.replace("--", "--%s-" % self.special_name),)
self.add_option(*args2, **kwargs)
def _parse_username(self, option, opt_str, arg, parser):
self.creds.parse_string(arg)
self.machine_pass = False
def _parse_workgroup(self, option, opt_str, arg, parser):
self.creds.set_domain(arg)
def _set_password(self, option, opt_str, arg, parser):
self._ensure_secure_proctitle(opt_str, arg, "password")
self.creds.set_password(arg)
self.ask_for_password = False
self.machine_pass = False
def _set_no_password(self, option, opt_str, arg, parser):
self.ask_for_password = False
def _set_machine_pass(self, option, opt_str, arg, parser):
self.machine_pass = True
def _set_ipaddress(self, option, opt_str, arg, parser):
self.ipaddress = arg
def _set_kerberos(self, option, opt_str, arg, parser):
self.creds.set_kerberos_state(parse_kerberos_arg(arg, opt_str))
def _set_simple_bind_dn(self, option, opt_str, arg, parser):
self.creds.set_bind_dn(arg)
def _set_krb5_ccache(self, option, opt_str, arg, parser):
self.creds.set_named_ccache(arg)
def get_credentials(self, lp, fallback_machine=False):
"""Obtain the credentials set on the command-line.
:param lp: Loadparm object to use.
:return: Credentials object
"""
self.creds.guess(lp)
if self.machine_pass:
self.creds.set_machine_account(lp)
elif self.ask_for_password:
self.creds.set_cmdline_callbacks()
# possibly fallback to using the machine account, if we have
# access to the secrets db
if fallback_machine and not self.creds.authentication_requested():
try:
self.creds.set_machine_account(lp)
except Exception:
pass
return self.creds
def upgrade_from_samba3(samba3, logger, targetdir, session_info=None, useeadb=False, dns_backend=None, use_ntvfs=False):
"""Upgrade from samba3 database to samba4 AD database
:param samba3: samba3 object
:param logger: Logger object
:param targetdir: samba4 database directory
:param session_info: Session information
"""
serverrole = samba3.lp.server_role()
domainname = samba3.lp.get("workgroup")
realm = samba3.lp.get("realm")
netbiosname = samba3.lp.get("netbios name")
if samba3.lp.get("ldapsam:trusted") is None:
samba3.lp.set("ldapsam:trusted", "yes")
# secrets db
try:
secrets_db = samba3.get_secrets_db()
except IOError as e:
raise ProvisioningError(
"Could not open '%s', the Samba3 secrets database: %s. Perhaps you specified the incorrect smb.conf, --testparm or --dbdir option?"
% (samba3.privatedir_path("secrets.tdb"), str(e))
)
if not domainname:
domainname = secrets_db.domains()[0]
logger.warning("No workgroup specified in smb.conf file, assuming '%s'", domainname)
if not realm:
if serverrole == "ROLE_DOMAIN_BDC" or serverrole == "ROLE_DOMAIN_PDC":
raise ProvisioningError(
"No realm specified in smb.conf file and being a DC. That upgrade path doesn't work! Please add a 'realm' directive to your old smb.conf to let us know which one you want to use (it is the DNS name of the AD domain you wish to create."
)
else:
realm = domainname.upper()
logger.warning("No realm specified in smb.conf file, assuming '%s'", realm)
# Find machine account and password
next_rid = 1000
try:
machinepass = secrets_db.get_machine_password(netbiosname)
except KeyError:
machinepass = None
if samba3.lp.get("passdb backend").split(":")[0].strip() == "ldapsam":
base_dn = samba3.lp.get("ldap suffix")
ldapuser = samba3.lp.get("ldap admin dn")
ldappass = secrets_db.get_ldap_bind_pw(ldapuser)
if ldappass is None:
raise ProvisioningError(
"ldapsam passdb backend detected but no LDAP Bind PW found in secrets.tdb for user %s. Please point this tool at the secrets.tdb that was used by the previous installation."
)
ldappass = ldappass.strip("\x00")
ldap = True
else:
ldapuser = None
ldappass = None
ldap = False
# We must close the direct pytdb database before the C code loads it
secrets_db.close()
# Connect to old password backend
passdb.set_secrets_dir(samba3.lp.get("private dir"))
s3db = samba3.get_sam_db()
# Get domain sid
try:
domainsid = passdb.get_global_sam_sid()
except passdb.error:
raise Exception("Can't find domain sid for '%s', Exiting." % domainname)
# Get machine account, sid, rid
try:
machineacct = s3db.getsampwnam("%s$" % netbiosname)
except passdb.error:
machinerid = None
machinesid = None
else:
machinesid, machinerid = machineacct.user_sid.split()
# Export account policy
logger.info("Exporting account policy")
policy = s3db.get_account_policy()
# Export groups from old passdb backend
logger.info("Exporting groups")
grouplist = s3db.enum_group_mapping()
groupmembers = {}
for group in grouplist:
sid, rid = group.sid.split()
if sid == domainsid:
if rid >= next_rid:
next_rid = rid + 1
# Get members for each group/alias
if group.sid_name_use == lsa.SID_NAME_ALIAS:
try:
members = s3db.enum_aliasmem(group.sid)
groupmembers[str(group.sid)] = members
except passdb.error as e:
logger.warn("Ignoring group '%s' %s listed but then not found: %s", group.nt_name, group.sid, e)
continue
elif group.sid_name_use == lsa.SID_NAME_DOM_GRP:
try:
members = s3db.enum_group_members(group.sid)
groupmembers[str(group.sid)] = members
except passdb.error as e:
logger.warn("Ignoring group '%s' %s listed but then not found: %s", group.nt_name, group.sid, e)
continue
elif group.sid_name_use == lsa.SID_NAME_WKN_GRP:
(group_dom_sid, rid) = group.sid.split()
if group_dom_sid != security.dom_sid(security.SID_BUILTIN):
logger.warn(
"Ignoring 'well known' group '%s' (should already be in AD, and have no members)", group.nt_name
)
continue
# A number of buggy databases mix up well known groups and aliases.
try:
members = s3db.enum_aliasmem(group.sid)
groupmembers[str(group.sid)] = members
except passdb.error as e:
logger.warn("Ignoring group '%s' %s listed but then not found: %s", group.nt_name, group.sid, e)
continue
else:
logger.warn("Ignoring group '%s' %s with sid_name_use=%d", group.nt_name, group.sid, group.sid_name_use)
continue
# Export users from old passdb backend
logger.info("Exporting users")
userlist = s3db.search_users(0)
userdata = {}
uids = {}
admin_user = None
for entry in userlist:
if machinerid and machinerid == entry["rid"]:
continue
username = entry["account_name"]
if entry["rid"] < 1000:
logger.info(" Skipping wellknown rid=%d (for username=%s)", entry["rid"], username)
continue
if entry["rid"] >= next_rid:
next_rid = entry["rid"] + 1
user = s3db.getsampwnam(username)
acct_type = user.acct_ctrl & (samr.ACB_NORMAL | samr.ACB_WSTRUST | samr.ACB_SVRTRUST | samr.ACB_DOMTRUST)
if acct_type == samr.ACB_SVRTRUST:
logger.warn(
" Demoting BDC account trust for %s, this DC must be elevated to an AD DC using 'samba-tool domain dcpromo'"
% username[:-1]
)
user.acct_ctrl = (user.acct_ctrl & ~samr.ACB_SVRTRUST) | samr.ACB_WSTRUST
elif acct_type == samr.ACB_DOMTRUST:
logger.warn(
" Skipping inter-domain trust from domain %s, this trust must be re-created as an AD trust"
% username[:-1]
)
continue
elif acct_type == (samr.ACB_WSTRUST) and username[-1] != "$":
logger.warn(
" Skipping account %s that has ACB_WSTRUST (W) set but does not end in $. This account can not have worked, and is probably left over from a misconfiguration."
% username
)
continue
elif acct_type == (samr.ACB_NORMAL | samr.ACB_WSTRUST) and username[-1] == "$":
logger.warn(
" Fixing account %s which had both ACB_NORMAL (U) and ACB_WSTRUST (W) set. Account will be marked as ACB_WSTRUST (W), i.e. as a domain member"
% username
)
user.acct_ctrl = user.acct_ctrl & ~samr.ACB_NORMAL
elif acct_type == (samr.ACB_NORMAL | samr.ACB_SVRTRUST) and username[-1] == "$":
logger.warn(
" Fixing account %s which had both ACB_NORMAL (U) and ACB_SVRTRUST (S) set. Account will be marked as ACB_WSTRUST (S), i.e. as a domain member"
% username
)
user.acct_ctrl = user.acct_ctrl & ~samr.ACB_NORMAL
elif acct_type == 0 and username[-1] != "$":
user.acct_ctrl = user.acct_ctrl | samr.ACB_NORMAL
elif acct_type == samr.ACB_NORMAL or acct_type == samr.ACB_WSTRUST:
pass
else:
raise ProvisioningError(
"""Failed to upgrade due to invalid account %s, account control flags 0x%08X must have exactly one of
ACB_NORMAL (N, 0x%08X), ACB_WSTRUST (W 0x%08X), ACB_SVRTRUST (S 0x%08X) or ACB_DOMTRUST (D 0x%08X).
Please fix this account before attempting to upgrade again
"""
% (username, user.acct_ctrl, samr.ACB_NORMAL, samr.ACB_WSTRUST, samr.ACB_SVRTRUST, samr.ACB_DOMTRUST)
)
userdata[username] = user
try:
uids[username] = s3db.sid_to_id(user.user_sid)[0]
except passdb.error:
try:
uids[username] = pwd.getpwnam(username).pw_uid
except KeyError:
pass
if not admin_user and username.lower() == "root":
admin_user = username
if username.lower() == "administrator":
admin_user = username
try:
group_memberships = s3db.enum_group_memberships(user)
for group in group_memberships:
if str(group) in groupmembers:
if user.user_sid not in groupmembers[str(group)]:
groupmembers[str(group)].append(user.user_sid)
else:
groupmembers[str(group)] = [user.user_sid]
except passdb.error as e:
logger.warn("Ignoring group memberships of '%s' %s: %s", username, user.user_sid, e)
logger.info("Next rid = %d", next_rid)
# Check for same username/groupname
group_names = set([g.nt_name for g in grouplist])
user_names = set([u["account_name"] for u in userlist])
common_names = group_names.intersection(user_names)
if common_names:
logger.error("Following names are both user names and group names:")
for name in common_names:
logger.error(" %s" % name)
raise ProvisioningError("Please remove common user/group names before upgrade.")
# Check for same user sid/group sid
group_sids = set([str(g.sid) for g in grouplist])
if len(grouplist) != len(group_sids):
raise ProvisioningError("Please remove duplicate group sid entries before upgrade.")
user_sids = set(["%s-%u" % (domainsid, u["rid"]) for u in userlist])
if len(userlist) != len(user_sids):
raise ProvisioningError("Please remove duplicate user sid entries before upgrade.")
common_sids = group_sids.intersection(user_sids)
if common_sids:
logger.error("Following sids are both user and group sids:")
for sid in common_sids:
logger.error(" %s" % str(sid))
raise ProvisioningError("Please remove duplicate sid entries before upgrade.")
# Get posix attributes from ldap or the os
homes = {}
shells = {}
pgids = {}
if ldap:
creds = Credentials()
creds.guess(samba3.lp)
creds.set_bind_dn(ldapuser)
creds.set_password(ldappass)
urls = samba3.lp.get("passdb backend").split(":", 1)[1].strip('"')
for url in urls.split():
try:
ldb_object = Ldb(url, credentials=creds)
except ldb.LdbError as e:
raise ProvisioningError("Could not open ldb connection to %s, the error message is: %s" % (url, e))
else:
break
logger.info("Exporting posix attributes")
userlist = s3db.search_users(0)
for entry in userlist:
username = entry["account_name"]
if username in uids.keys():
try:
if ldap:
homes[username] = get_posix_attr_from_ldap_backend(
logger, ldb_object, base_dn, username, "homeDirectory"
)
else:
homes[username] = pwd.getpwnam(username).pw_dir
except KeyError:
pass
except IndexError:
pass
try:
if ldap:
shells[username] = get_posix_attr_from_ldap_backend(
logger, ldb_object, base_dn, username, "loginShell"
)
else:
shells[username] = pwd.getpwnam(username).pw_shell
except KeyError:
pass
except IndexError:
pass
try:
if ldap:
pgids[username] = get_posix_attr_from_ldap_backend(
logger, ldb_object, base_dn, username, "gidNumber"
)
else:
pgids[username] = pwd.getpwnam(username).pw_gid
except KeyError:
pass
except IndexError:
pass
logger.info("Reading WINS database")
samba3_winsdb = None
try:
samba3_winsdb = samba3.get_wins_db()
except IOError as e:
logger.warn("Cannot open wins database, Ignoring: %s", str(e))
if not (serverrole == "ROLE_DOMAIN_BDC" or serverrole == "ROLE_DOMAIN_PDC"):
dns_backend = "NONE"
# If we found an admin user, set a fake pw that we will override.
# This avoids us printing out an admin password that we won't actually
# set.
if admin_user:
adminpass = generate_random_password(12, 32)
else:
adminpass = None
# Do full provision
result = provision(
logger,
session_info,
targetdir=targetdir,
realm=realm,
domain=domainname,
domainsid=domainsid,
next_rid=next_rid,
dc_rid=machinerid,
adminpass=adminpass,
dom_for_fun_level=dsdb.DS_DOMAIN_FUNCTION_2003,
hostname=netbiosname.lower(),
machinepass=machinepass,
serverrole=serverrole,
samdb_fill=FILL_FULL,
useeadb=useeadb,
dns_backend=dns_backend,
use_rfc2307=True,
use_ntvfs=use_ntvfs,
skip_sysvolacl=True,
)
result.report_logger(logger)
# Import WINS database
logger.info("Importing WINS database")
if samba3_winsdb:
import_wins(Ldb(result.paths.winsdb), samba3_winsdb)
# Set Account policy
logger.info("Importing Account policy")
import_sam_policy(result.samdb, policy, logger)
# Migrate IDMAP database
logger.info("Importing idmap database")
import_idmap(result.idmap, samba3, logger)
# Set the s3 context for samba4 configuration
new_lp_ctx = s3param.get_context()
new_lp_ctx.load(result.lp.configfile)
new_lp_ctx.set("private dir", result.lp.get("private dir"))
new_lp_ctx.set("state directory", result.lp.get("state directory"))
new_lp_ctx.set("lock directory", result.lp.get("lock directory"))
# Connect to samba4 backend
s4_passdb = passdb.PDB(new_lp_ctx.get("passdb backend"))
# Start a new transaction (should speed this up a little, due to index churn)
result.samdb.transaction_start()
logger.info("Adding groups")
try:
# Export groups to samba4 backend
logger.info("Importing groups")
for g in grouplist:
# Ignore uninitialized groups (gid = -1)
if g.gid != -1:
add_group_from_mapping_entry(result.samdb, g, logger)
add_ad_posix_idmap_entry(result.samdb, g.sid, g.gid, "ID_TYPE_GID", logger)
add_posix_attrs(
samdb=result.samdb,
sid=g.sid,
name=g.nt_name,
nisdomain=domainname.lower(),
xid_type="ID_TYPE_GID",
logger=logger,
)
except:
# We need this, so that we do not give even more errors due to not cancelling the transaction
result.samdb.transaction_cancel()
raise
logger.info("Committing 'add groups' transaction to disk")
result.samdb.transaction_commit()
logger.info("Adding users")
# Start a new transaction (should speed this up a little, due to index churn)
result.samdb.transaction_start()
try:
# Export users to samba4 backend
logger.info("Importing users")
for username in userdata:
if username.lower() == "administrator":
if userdata[username].user_sid != dom_sid(str(domainsid) + "-500"):
logger.error(
"User 'Administrator' in your existing directory has SID %s, expected it to be %s"
% (userdata[username].user_sid, dom_sid(str(domainsid) + "-500"))
)
raise ProvisioningError(
"User 'Administrator' in your existing directory does not have SID ending in -500"
)
if username.lower() == "root":
if userdata[username].user_sid == dom_sid(str(domainsid) + "-500"):
logger.warn("User root has been replaced by Administrator")
else:
logger.warn(
"User root has been kept in the directory, it should be removed in favour of the Administrator user"
)
s4_passdb.add_sam_account(userdata[username])
if username in uids:
add_ad_posix_idmap_entry(
result.samdb, userdata[username].user_sid, uids[username], "ID_TYPE_UID", logger
)
if (
(username in homes)
and (homes[username] is not None)
and (username in shells)
and (shells[username] is not None)
and (username in pgids)
and (pgids[username] is not None)
):
add_posix_attrs(
samdb=result.samdb,
sid=userdata[username].user_sid,
name=username,
nisdomain=domainname.lower(),
xid_type="ID_TYPE_UID",
home=homes[username],
shell=shells[username],
pgid=pgids[username],
logger=logger,
)
except:
# We need this, so that we do not give even more errors due to not cancelling the transaction
result.samdb.transaction_cancel()
raise
logger.info("Committing 'add users' transaction to disk")
result.samdb.transaction_commit()
logger.info("Adding users to groups")
# Start a new transaction (should speed this up a little, due to index churn)
result.samdb.transaction_start()
try:
for g in grouplist:
if str(g.sid) in groupmembers:
add_users_to_group(result.samdb, g, groupmembers[str(g.sid)], logger)
except:
# We need this, so that we do not give even more errors due to not cancelling the transaction
result.samdb.transaction_cancel()
raise
logger.info("Committing 'add users to groups' transaction to disk")
result.samdb.transaction_commit()
# Set password for administrator
if admin_user:
logger.info("Setting password for administrator")
admin_userdata = s4_passdb.getsampwnam("administrator")
admin_userdata.nt_passwd = userdata[admin_user].nt_passwd
if userdata[admin_user].lanman_passwd:
admin_userdata.lanman_passwd = userdata[admin_user].lanman_passwd
admin_userdata.pass_last_set_time = userdata[admin_user].pass_last_set_time
if userdata[admin_user].pw_history:
admin_userdata.pw_history = userdata[admin_user].pw_history
s4_passdb.update_sam_account(admin_userdata)
logger.info("Administrator password has been set to password of user '%s'", admin_user)
if result.server_role == "active directory domain controller":
setsysvolacl(
result.samdb,
result.paths.netlogon,
result.paths.sysvol,
result.paths.root_uid,
result.paths.root_gid,
security.dom_sid(result.domainsid),
result.names.dnsdomain,
result.names.domaindn,
result.lp,
use_ntvfs,
)
