'''perform a DC join'''
def __init__(ctx, server=None, creds=None, lp=None, site=None,
- netbios_name=None, targetdir=None, domain=None,
- machinepass=None, use_ntvfs=False, dns_backend=None):
+ netbios_name=None, targetdir=None, domain=None,
+ machinepass=None, use_ntvfs=False, dns_backend=None,
+ promote_existing=False):
ctx.creds = creds
ctx.lp = lp
ctx.site = site
else:
ctx.dns_backend = dns_backend
+ ctx.promote_existing = promote_existing
+ ctx.promote_from_dn = None
+
ctx.nc_list = []
ctx.full_nc_list = []
except Exception:
pass
+ def promote_possible(ctx):
+ '''confirm that the account is just a bare NT4 BDC or a member server, so can be safely promoted'''
+ if ctx.subdomain:
+ # This shouldn't happen
+ raise Exception("Can not promote into a subdomain")
+
+ res = ctx.samdb.search(base=ctx.samdb.get_default_basedn(),
+ expression='sAMAccountName=%s' % ldb.binary_encode(ctx.samname),
+ attrs=["msDS-krbTgtLink", "userAccountControl", "serverReferenceBL", "rIDSetReferences"])
+ if len(res) == 0:
+ raise Exception("Could not find domain member account '%s' to promote to a DC, use 'samba-tool domain join' instead'" % ctx.samname)
+ if "msDS-krbTgtLink" in res[0] or "serverReferenceBL" in res[0] or "rIDSetReferences" in res[0]:
+ raise Exception("Account '%s' appears to be an active DC, use 'samba-tool domain join' if you must re-create this account" % ctx.samname)
+ if (int(res[0]["userAccountControl"][0]) & (samba.dsdb.UF_WORKSTATION_TRUST_ACCOUNT|samba.dsdb.UF_SERVER_TRUST_ACCOUNT) == 0):
+ raise Exception("Account %s is not a domain member or a bare NT4 BDC, use 'samba-tool domain join' instead'" % ctx.samname)
+
+ ctx.promote_from_dn = res[0].dn
+
+
def find_dc(ctx, domain):
'''find a writeable DC for the given domain'''
try:
"dnshostname" : ctx.dnshostname}
if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2008:
rec['msDS-SupportedEncryptionTypes'] = str(samba.dsdb.ENC_ALL_TYPES)
+ elif ctx.promote_existing:
+ rec['msDS-SupportedEncryptionTypes'] = []
if ctx.managedby:
rec["managedby"] = ctx.managedby
+ elif ctx.promote_existing:
+ rec["managedby"] = []
+
if ctx.never_reveal_sid:
rec["msDS-NeverRevealGroup"] = ctx.never_reveal_sid
+ elif ctx.promote_existing:
+ rec["msDS-NeverRevealGroup"] = []
+
if ctx.reveal_sid:
rec["msDS-RevealOnDemandGroup"] = ctx.reveal_sid
- ctx.samdb.add(rec)
+ elif ctx.promote_existing:
+ rec["msDS-RevealOnDemandGroup"] = []
+
+ if ctx.promote_existing:
+ if ctx.promote_from_dn != ctx.acct_dn:
+ ctx.samdb.rename(ctx.promote_from_dn, ctx.acct_dn)
+ ctx.samdb.modify(ldb.Message.from_dict(ctx.samdb, rec, ldb.FLAG_MOD_REPLACE))
+ else:
+ ctx.samdb.add(rec)
if ctx.krbtgt_dn:
ctx.add_krbtgt_account()
for i in range(len(ctx.SPNs)):
ctx.SPNs[i] = ctx.SPNs[i].replace("$NTDSGUID", str(ctx.ntds_guid))
m["servicePrincipalName"] = ldb.MessageElement(ctx.SPNs,
- ldb.FLAG_MOD_ADD,
+ ldb.FLAG_MOD_REPLACE,
"servicePrincipalName")
ctx.samdb.modify(m)
ctx.full_nc_list += ['DC=ForestDnsZones,%s' % ctx.root_dn]
ctx.nc_list += ['DC=ForestDnsZones,%s' % ctx.root_dn]
-
- ctx.cleanup_old_join()
+ if ctx.promote_existing:
+ ctx.promote_possible()
+ else:
+ ctx.cleanup_old_join()
+
try:
ctx.join_add_objects()
ctx.join_provision()
def join_RODC(server=None, creds=None, lp=None, site=None, netbios_name=None,
targetdir=None, domain=None, domain_critical_only=False,
- machinepass=None, use_ntvfs=False, dns_backend=None):
+ machinepass=None, use_ntvfs=False, dns_backend=None,
+ promote_existing=False):
"""join as a RODC"""
ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, domain,
- machinepass, use_ntvfs, dns_backend)
+ machinepass, use_ntvfs, dns_backend, promote_existing)
lp.set("workgroup", ctx.domain_name)
print("workgroup is %s" % ctx.domain_name)
def join_DC(server=None, creds=None, lp=None, site=None, netbios_name=None,
targetdir=None, domain=None, domain_critical_only=False,
- machinepass=None, use_ntvfs=False, dns_backend=None):
+ machinepass=None, use_ntvfs=False, dns_backend=None,
+ promote_existing=False):
"""join as a DC"""
ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, domain,
- machinepass, use_ntvfs, dns_backend)
+ machinepass, use_ntvfs, dns_backend, promote_existing)
lp.set("workgroup", ctx.domain_name)
print("workgroup is %s" % ctx.domain_name)