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lib/param: Create a seperate server role for "active directory domain controller"

This will allow us to detect from the smb.conf if this is a Samba4 AD
DC which will allow smarter handling of (for example) accidentially
starting smbd rather than samba.

To cope with upgrades from existing Samba4 installs, 'domain
controller' is a synonym of 'active directory domain controller' and
new parameters 'classic primary domain controller' and 'classic backup
domain controller' are added.

Andrew Bartlett
This commit is contained in:
Andrew Bartlett
2012-06-10 22:08:20 +10:00
parent b9a75d8438
commit b8815dc23d
29 changed files with 64 additions and 55 deletions

View File

@ -447,7 +447,7 @@ static NTSTATUS dodomain_referral(struct loadparm_context *lp_ctx,
/* In the future this needs to be fetched from the ldb */
uint32_t found_domain = 2;
if (lpcfg_server_role(lp_ctx) != ROLE_DOMAIN_CONTROLLER) {
if (lpcfg_server_role(lp_ctx) != ROLE_ACTIVE_DIRECTORY_DC) {
DEBUG(10 ,("Received a domain referral request on a non DC\n"));
return NT_STATUS_INVALID_PARAMETER;
}
@ -529,7 +529,7 @@ static NTSTATUS dodc_referral(struct loadparm_context *lp_ctx,
struct dfs_referral_type *referrals;
const char *referral_str;
if (lpcfg_server_role(lp_ctx) != ROLE_DOMAIN_CONTROLLER) {
if (lpcfg_server_role(lp_ctx) != ROLE_ACTIVE_DIRECTORY_DC) {
return NT_STATUS_INVALID_PARAMETER;
}
@ -640,7 +640,7 @@ static NTSTATUS dosysvol_referral(struct loadparm_context *lp_ctx,
NTSTATUS status;
struct dfs_referral_type *referrals;
if (lpcfg_server_role(lp_ctx) != ROLE_DOMAIN_CONTROLLER) {
if (lpcfg_server_role(lp_ctx) != ROLE_ACTIVE_DIRECTORY_DC) {
return NT_STATUS_INVALID_PARAMETER;
}

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@ -41,6 +41,7 @@ static const struct srv_role_tab {
{ ROLE_DOMAIN_MEMBER, "ROLE_DOMAIN_MEMBER" },
{ ROLE_DOMAIN_BDC, "ROLE_DOMAIN_BDC" },
{ ROLE_DOMAIN_PDC, "ROLE_DOMAIN_PDC" },
{ ROLE_ACTIVE_DIRECTORY_DC, "ROLE_ACTIVE_DIRECTORY_DC" },
{ 0, NULL }
};
@ -83,7 +84,7 @@ int lp_find_server_role(int server_role, int security, int domain_logons, int do
break;
case SEC_ADS:
if (domain_logons) {
role = ROLE_DOMAIN_CONTROLLER;
role = ROLE_DOMAIN_BDC;
break;
}
role = ROLE_DOMAIN_MEMBER;
@ -158,6 +159,7 @@ bool lp_is_security_and_server_role_valid(int server_role, int security)
case ROLE_DOMAIN_PDC:
case ROLE_DOMAIN_BDC:
case ROLE_ACTIVE_DIRECTORY_DC:
if (security == SEC_USER || security == SEC_ADS || security == SEC_DOMAIN) {
valid = true;
}

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@ -78,10 +78,11 @@ static const struct enum_list enum_server_role[] = {
{ROLE_STANDALONE, "standalone"},
{ROLE_DOMAIN_MEMBER, "member server"},
{ROLE_DOMAIN_MEMBER, "member"},
/* note that currently
ROLE_DOMAIN_CONTROLLER == ROLE_DOMAIN_BDC */
{ROLE_DOMAIN_CONTROLLER, "domain controller"},
{ROLE_DOMAIN_CONTROLLER, "dc"},
{ROLE_DOMAIN_PDC, "classic primary domain controller"},
{ROLE_DOMAIN_BDC, "classic backup domain controller"},
{ROLE_ACTIVE_DIRECTORY_DC, "active directory domain controller"},
{ROLE_ACTIVE_DIRECTORY_DC, "domain controller"},
{ROLE_ACTIVE_DIRECTORY_DC, "dc"},
{-1, NULL}
};

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@ -260,6 +260,7 @@ const char *lpcfg_sam_name(struct loadparm_context *lp_ctx)
switch (lpcfg_server_role(lp_ctx)) {
case ROLE_DOMAIN_BDC:
case ROLE_DOMAIN_PDC:
case ROLE_ACTIVE_DIRECTORY_DC:
return lpcfg_workgroup(lp_ctx);
default:
return lpcfg_netbios_name(lp_ctx);

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@ -31,17 +31,13 @@ enum server_role {
ROLE_DOMAIN_BDC = 2,
ROLE_DOMAIN_PDC = 3,
/* not in samr.idl */
ROLE_ACTIVE_DIRECTORY_DC = 4,
/* To determine the role automatically, this is not a valid role */
ROLE_AUTO = 100
};
/* keep compatibility with the s4 'ROLE_DOMAIN_CONTROLLER' by mapping
* it to ROLE_DOMAIN_BDC. The PDC/BDC split is really historical from
* NT4 domains which were not multi-master, but even in AD there is
* only one machine that has the PDC FSMO role in a domain.
*/
#define ROLE_DOMAIN_CONTROLLER ROLE_DOMAIN_BDC
/* security levels for 'security =' option
--------------

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@ -190,7 +190,7 @@ copy an IP address from one buffer to another
Check to see if we are a DC for this domain
*****************************************************************************/
#define IS_DC (lp_server_role()==ROLE_DOMAIN_PDC || lp_server_role()==ROLE_DOMAIN_BDC)
#define IS_DC (lp_server_role()==ROLE_DOMAIN_PDC || lp_server_role()==ROLE_DOMAIN_BDC || lp_server_role() == ROLE_ACTIVE_DIRECTORY_DC)
/*
* If you add any entries to KERBEROS_VERIFY defines, please modify the below expressions

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@ -630,6 +630,7 @@ const char **auth_methods_from_lp(TALLOC_CTX *mem_ctx, struct loadparm_context *
break;
case ROLE_DOMAIN_BDC:
case ROLE_DOMAIN_PDC:
case ROLE_ACTIVE_DIRECTORY_DC:
auth_methods = str_list_make(mem_ctx, "anonymous sam_ignoredomain winbind", NULL);
break;
}

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@ -341,7 +341,7 @@ static NTSTATUS authsam_want_check(struct auth_method_context *ctx,
}
return NT_STATUS_OK;
case ROLE_DOMAIN_CONTROLLER:
case ROLE_ACTIVE_DIRECTORY_DC:
if (!is_local_name && !is_my_domain) {
DEBUG(6,("authsam_check_password: %s is not one of my local names or domain name (DC)\n",
user_info->mapped.domain_name));

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@ -205,7 +205,7 @@ static void cldapd_task_init(struct task_server *task)
task_server_terminate(task, "cldap_server: no CLDAP server required in member server configuration",
false);
return;
case ROLE_DOMAIN_CONTROLLER:
case ROLE_ACTIVE_DIRECTORY_DC:
/* Yes, we want an CLDAP server */
break;
}

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@ -698,7 +698,7 @@ static void dns_task_init(struct task_server *task)
case ROLE_DOMAIN_MEMBER:
task_server_terminate(task, "dns: no DNS required in member server configuration", false);
return;
case ROLE_DOMAIN_CONTROLLER:
case ROLE_ACTIVE_DIRECTORY_DC:
/* Yes, we want a DNS */
break;
}

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@ -594,7 +594,7 @@ static void dnsupdate_task_init(struct task_server *task)
NTSTATUS status;
struct dnsupdate_service *service;
if (lpcfg_server_role(task->lp_ctx) != ROLE_DOMAIN_CONTROLLER) {
if (lpcfg_server_role(task->lp_ctx) != ROLE_ACTIVE_DIRECTORY_DC) {
/* not useful for non-DC */
return;
}

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@ -183,7 +183,7 @@ static void kccsrv_task_init(struct task_server *task)
case ROLE_DOMAIN_MEMBER:
task_server_terminate(task, "kccsrv: no KCC required in domain member configuration", false);
return;
case ROLE_DOMAIN_CONTROLLER:
case ROLE_ACTIVE_DIRECTORY_DC:
/* Yes, we want a KCC */
break;
}

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@ -434,7 +434,7 @@ static void dreplsrv_task_init(struct task_server *task)
task_server_terminate(task, "dreplsrv: no DSDB replication required in domain member configuration",
false);
return;
case ROLE_DOMAIN_CONTROLLER:
case ROLE_ACTIVE_DIRECTORY_DC:
/* Yes, we want DSDB replication */
break;
}

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@ -303,7 +303,7 @@ static void echo_task_init(struct task_server *task)
task_server_terminate(task, "echo: Not starting echo server " \
"for domain members", false);
return;
case ROLE_DOMAIN_CONTROLLER:
case ROLE_ACTIVE_DIRECTORY_DC:
/* Yes, we want to run the echo server */
break;
}

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@ -871,7 +871,11 @@ static void kdc_task_init(struct task_server *task)
case ROLE_DOMAIN_MEMBER:
task_server_terminate(task, "kdc: no KDC required in member server configuration", false);
return;
case ROLE_DOMAIN_CONTROLLER:
case ROLE_DOMAIN_PDC:
case ROLE_DOMAIN_BDC:
task_server_terminate(task, "Cannot start KDC as a 'classic Samba' DC", true);
return;
case ROLE_ACTIVE_DIRECTORY_DC:
/* Yes, we want a KDC */
break;
}

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@ -907,7 +907,7 @@ static void ldapsrv_task_init(struct task_server *task)
task_server_terminate(task, "ldap_server: no LDAP server required in member server configuration",
false);
return;
case ROLE_DOMAIN_CONTROLLER:
case ROLE_ACTIVE_DIRECTORY_DC:
/* Yes, we want an LDAP server */
break;
}

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@ -54,7 +54,7 @@ static void nbtd_netlogon_getdc(struct dgram_mailslot_handler *dgmslot,
samctx = iface->nbtsrv->sam_ctx;
if (lpcfg_server_role(iface->nbtsrv->task->lp_ctx) != ROLE_DOMAIN_CONTROLLER
if (lpcfg_server_role(iface->nbtsrv->task->lp_ctx) != ROLE_ACTIVE_DIRECTORY_DC
|| !samdb_is_pdc(samctx)) {
DEBUG(2, ("Not a PDC, so not processing LOGON_PRIMARY_QUERY\n"));
return;

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@ -289,7 +289,7 @@ void nbtd_register_names(struct nbtd_server *nbtsrv)
aliases++;
}
if (lpcfg_server_role(nbtsrv->task->lp_ctx) == ROLE_DOMAIN_CONTROLLER) {
if (lpcfg_server_role(nbtsrv->task->lp_ctx) == ROLE_ACTIVE_DIRECTORY_DC) {
bool is_pdc = samdb_is_pdc(nbtsrv->sam_ctx);
if (is_pdc) {
nbtd_register_name(nbtsrv, lpcfg_workgroup(nbtsrv->task->lp_ctx),

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@ -157,7 +157,7 @@ static bool test_server_role_dc_specified(struct torture_context *tctx)
{
struct loadparm_context *lp_ctx = loadparm_init(tctx);
torture_assert(tctx, lpcfg_set_option(lp_ctx, "server role=domain controller"), "lpcfg_set_option failed");
torture_assert_int_equal(tctx, lpcfg_server_role(lp_ctx), ROLE_DOMAIN_CONTROLLER, "ROLE should be DC");
torture_assert_int_equal(tctx, lpcfg_server_role(lp_ctx), ROLE_ACTIVE_DIRECTORY_DC, "ROLE should be DC");
torture_assert_int_equal(tctx, lpcfg_security(lp_ctx), SEC_USER, "security should be USER");
return true;
}

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@ -1269,7 +1269,7 @@ static WERROR dcesrv_bkrp_BackupKey(struct dcesrv_call_state *dce_call,
}
}
if (lpcfg_server_role(dce_call->conn->dce_ctx->lp_ctx) != ROLE_DOMAIN_CONTROLLER) {
if (lpcfg_server_role(dce_call->conn->dce_ctx->lp_ctx) != ROLE_ACTIVE_DIRECTORY_DC) {
return WERR_NOT_SUPPORTED;
}

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@ -75,7 +75,7 @@ uint32_t dcesrv_common_get_server_type(TALLOC_CTX *mem_ctx, struct tevent_contex
case ROLE_DOMAIN_MEMBER:
default_server_announce |= SV_TYPE_DOMAIN_MEMBER;
break;
case ROLE_DOMAIN_CONTROLLER:
case ROLE_ACTIVE_DIRECTORY_DC:
{
struct ldb_context *samctx;
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);

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@ -420,7 +420,7 @@ static WERROR dcesrv_dssetup_DsRoleGetPrimaryDomainInformation(struct dcesrv_cal
case ROLE_DOMAIN_MEMBER:
role = DS_ROLE_MEMBER_SERVER;
break;
case ROLE_DOMAIN_CONTROLLER:
case ROLE_ACTIVE_DIRECTORY_DC:
if (samdb_is_pdc(state->sam_ldb)) {
role = DS_ROLE_PRIMARY_DC;
} else {
@ -439,7 +439,7 @@ static WERROR dcesrv_dssetup_DsRoleGetPrimaryDomainInformation(struct dcesrv_cal
W_ERROR_HAVE_NO_MEMORY(domain);
/* TODO: what is with dns_domain and forest and guid? */
break;
case ROLE_DOMAIN_CONTROLLER:
case ROLE_ACTIVE_DIRECTORY_DC:
flags = DS_ROLE_PRIMARY_DS_RUNNING;
if (state->mixed_domain == 1) {

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@ -500,7 +500,7 @@ static NTSTATUS dcesrv_samr_info_DomGeneralInformation(struct samr_domain_state
info->sequence_num = ldb_msg_find_attr_as_uint64(dom_msgs[0], "modifiedCount",
0);
switch (state->role) {
case ROLE_DOMAIN_CONTROLLER:
case ROLE_ACTIVE_DIRECTORY_DC:
/* This pulls the NetBIOS name from the
cn=NTDS Settings,cn=<NETBIOS name of PDC>,....
string */
@ -511,8 +511,8 @@ static NTSTATUS dcesrv_samr_info_DomGeneralInformation(struct samr_domain_state
}
break;
case ROLE_DOMAIN_PDC:
info->role = SAMR_ROLE_DOMAIN_PDC;
break;
case ROLE_DOMAIN_BDC:
return NT_STATUS_INTERNAL_ERROR;
case ROLE_DOMAIN_MEMBER:
info->role = SAMR_ROLE_DOMAIN_MEMBER;
break;
@ -606,7 +606,7 @@ static NTSTATUS dcesrv_samr_info_DomInfo7(struct samr_domain_state *state,
{
switch (state->role) {
case ROLE_DOMAIN_CONTROLLER:
case ROLE_ACTIVE_DIRECTORY_DC:
/* This pulls the NetBIOS name from the
cn=NTDS Settings,cn=<NETBIOS name of PDC>,....
string */

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@ -532,7 +532,7 @@ def guess_names(lp=None, hostname=None, domain=None, dnsdomain=None,
if lp.get("server role").lower() != serverrole:
raise ProvisioningError("guess_names: 'server role=%s' in %s must match chosen server role '%s'! Please remove the smb.conf file and let provision generate it" % (lp.get("server role"), lp.configfile, serverrole))
if serverrole == "domain controller":
if serverrole == "active directory domain controller":
if domain is None:
# This will, for better or worse, default to 'WORKGROUP'
domain = lp.get("workgroup")
@ -658,7 +658,7 @@ def make_smbconf(smbconf, hostname, domain, realm, targetdir,
lp.set("xattr_tdb:file", os.path.abspath(os.path.join(statedir, "xattr.tdb")))
shares = {}
if serverrole == "domain controller":
if serverrole == "active directory domain controller":
shares["sysvol"] = os.path.join(lp.get("state directory"), "sysvol")
shares["netlogon"] = os.path.join(shares["sysvol"], realm.lower(),
"scripts")
@ -1489,7 +1489,7 @@ def provision_fill(samdb, secrets_ldb, logger, names, paths,
dom_for_fun_level=dom_for_fun_level, am_rodc=am_rodc,
next_rid=next_rid, dc_rid=dc_rid)
if serverrole == "domain controller":
if serverrole == "active directory domain controller":
# Set up group policies (domain policy and domain controller
# policy)
create_default_gpo(paths.sysvol, names.dnsdomain, policyguid,
@ -1568,11 +1568,12 @@ def provision_fill(samdb, secrets_ldb, logger, names, paths,
_ROLES_MAP = {
"ROLE_STANDALONE": "standalone",
"ROLE_DOMAIN_MEMBER": "member server",
"ROLE_DOMAIN_BDC": "domain controller",
"ROLE_DOMAIN_PDC": "domain controller",
"dc": "domain controller",
"ROLE_DOMAIN_BDC": "active directory domain controller",
"ROLE_DOMAIN_PDC": "active directory domain controller",
"dc": "active directory domain controller",
"member": "member server",
"domain controller": "domain controller",
"domain controller": "active directory domain controller",
"active directory domain controller": "active directory domain controller",
"member server": "member server",
"standalone": "standalone",
}
@ -1584,7 +1585,7 @@ def sanitize_server_role(role):
:param role: Server role
:raise ValueError: If the role can not be interpreted
:return: Sanitized server role (one of "member server",
"domain controller", "standalone")
"active directory domain controller", "standalone")
"""
try:
return _ROLES_MAP[role]
@ -1614,7 +1615,7 @@ def provision(logger, session_info, credentials, smbconf=None,
try:
serverrole = sanitize_server_role(serverrole)
except ValueError:
raise ProvisioningError('server role (%s) should be one of "domain controller", "member server", "standalone"' % serverrole)
raise ProvisioningError('server role (%s) should be one of "active directory domain controller", "member server", "standalone"' % serverrole)
if ldapadminpass is None:
# Make a new, random password between Samba and it's LDAP server
@ -1735,7 +1736,7 @@ def provision(logger, session_info, credentials, smbconf=None,
if paths.sysvol and not os.path.exists(paths.sysvol):
os.makedirs(paths.sysvol, 0775)
if not use_ntvfs and serverrole == "domain controller":
if not use_ntvfs and serverrole == "active directory domain controller":
if paths.sysvol is None:
raise MissingShareError("sysvol", paths.smbconf)
@ -1813,7 +1814,7 @@ def provision(logger, session_info, credentials, smbconf=None,
serverrole=serverrole,
schema=schema, fill=samdb_fill, am_rodc=am_rodc)
if serverrole == "domain controller":
if serverrole == "active directory domain controller":
if paths.netlogon is None:
raise MissingShareError("netlogon", paths.smbconf)
@ -1848,7 +1849,7 @@ def provision(logger, session_info, credentials, smbconf=None,
logger.info("A Kerberos configuration suitable for Samba 4 has been "
"generated at %s", paths.krb5conf)
if serverrole == "domain controller":
if serverrole == "active directory domain controller":
create_dns_update_list(lp, logger, paths)
backend_result = provision_backend.post_setup()
@ -1913,7 +1914,7 @@ def provision_become_dc(smbconf=None, targetdir=None,
realm=realm, rootdn=rootdn, domaindn=domaindn, schemadn=schemadn,
configdn=configdn, serverdn=serverdn, domain=domain,
hostname=hostname, hostip=None, domainsid=domainsid,
machinepass=machinepass, serverrole="domain controller",
machinepass=machinepass, serverrole="active directory domain controller",
sitename=sitename, dns_backend=dns_backend, dnspass=dnspass)
res.lp.set("debuglevel", str(debuglevel))
return res

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@ -98,7 +98,7 @@ bool smbsrv_init_signing(struct smbsrv_connection *smb_conn)
* on non-DCs
*/
if (lpcfg_server_role(smb_conn->lp_ctx) >= ROLE_DOMAIN_CONTROLLER) {
if (lpcfg_server_role(smb_conn->lp_ctx) >= ROLE_ACTIVE_DIRECTORY_DC) {
signing_setting = SMB_SIGNING_REQUIRED;
} else {
signing_setting = SMB_SIGNING_OFF;

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@ -136,7 +136,7 @@ static NTSTATUS smb2srv_negprot_backend(struct smb2srv_request *req, struct smb2
* on non-DCs
*/
if (lpcfg_server_role(lp_ctx) >= ROLE_DOMAIN_CONTROLLER) {
if (lpcfg_server_role(lp_ctx) >= ROLE_ACTIVE_DIRECTORY_DC) {
signing_setting = SMB_SIGNING_REQUIRED;
} else {
signing_setting = SMB_SIGNING_OFF;

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@ -392,7 +392,7 @@ static int binary_smbd_main(const char *binary_name, int argc, const char *argv[
return 1;
}
if (lpcfg_server_role(cmdline_lp_ctx) == ROLE_DOMAIN_CONTROLLER) {
if (lpcfg_server_role(cmdline_lp_ctx) == ROLE_ACTIVE_DIRECTORY_DC) {
if (!open_schannel_session_store(talloc_autofree_context(), cmdline_lp_ctx)) {
DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
exit(1);

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@ -162,7 +162,7 @@ struct composite_context *wb_init_domain_send(TALLOC_CTX *mem_ctx,
if ((!cli_credentials_is_anonymous(state->domain->libnet_ctx->cred)) &&
((lpcfg_server_role(service->task->lp_ctx) == ROLE_DOMAIN_MEMBER) ||
(lpcfg_server_role(service->task->lp_ctx) == ROLE_DOMAIN_CONTROLLER)) &&
(lpcfg_server_role(service->task->lp_ctx) == ROLE_ACTIVE_DIRECTORY_DC)) &&
(dom_sid_equal(state->domain->info->sid,
state->service->primary_sid))) {
state->domain->netlogon_binding->flags |= DCERPC_SCHANNEL | DCERPC_SCHANNEL_AUTO;

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@ -264,8 +264,7 @@ static void winbind_task_init(struct task_server *task)
return;
}
break;
case ROLE_DOMAIN_CONTROLLER:
case ROLE_DOMAIN_PDC:
case ROLE_ACTIVE_DIRECTORY_DC:
primary_sid = secrets_get_domain_sid(service,
service->task->lp_ctx,
lpcfg_workgroup(service->task->lp_ctx),
@ -279,6 +278,10 @@ static void winbind_task_init(struct task_server *task)
return;
}
break;
case ROLE_DOMAIN_PDC:
case ROLE_DOMAIN_BDC:
task_server_terminate(task, "Cannot start 'samba' winbindd as a 'classic samba' DC: use winbindd instead", true);
return;
}
service->primary_sid = primary_sid;