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-rw-r--r--source4/rpc_server/netlogon/dcerpc_netlogon.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/source4/rpc_server/netlogon/dcerpc_netlogon.c b/source4/rpc_server/netlogon/dcerpc_netlogon.c
index 011341641a..c57f4145c6 100644
--- a/source4/rpc_server/netlogon/dcerpc_netlogon.c
+++ b/source4/rpc_server/netlogon/dcerpc_netlogon.c
@@ -1259,17 +1259,6 @@ static NTSTATUS dcesrv_netr_LogonGetDomainInfo(struct dcesrv_call_state *dce_cal
}
/*
- * Updates the DNS hostname when the client wishes that the
- * server should handle this for him
- * ("NETR_WS_FLAG_HANDLES_SPN_UPDATE" not set).
- * See MS-NRPC section 3.5.4.3.9
- */
- if ((r->in.query->workstation_info->workstation_flags
- & NETR_WS_FLAG_HANDLES_SPN_UPDATE) != 0) {
- update_dns_hostname = false;
- }
-
- /*
* Checks that the computer name parameter without possible "$"
* matches as prefix with the DNS hostname in the workstation
* info structure.
@@ -1302,6 +1291,20 @@ static NTSTATUS dcesrv_netr_LogonGetDomainInfo(struct dcesrv_call_state *dce_cal
old_dns_hostname = samdb_result_string(res1[0], "dNSHostName",
NULL);
+ /*
+ * Updates the DNS hostname when the client wishes that the
+ * server should handle this for him
+ * ("NETR_WS_FLAG_HANDLES_SPN_UPDATE" not set). And this is
+ * obviously only checked when we do already have a
+ * "dNSHostName".
+ * See MS-NRPC section 3.5.4.3.9
+ */
+ if ((old_dns_hostname != NULL) &&
+ (r->in.query->workstation_info->workstation_flags
+ & NETR_WS_FLAG_HANDLES_SPN_UPDATE) != 0) {
+ update_dns_hostname = false;
+ }
+
/* Gets host informations and put them in our directory */
new_msg = ldb_msg_new(mem_ctx);
NT_STATUS_HAVE_NO_MEMORY(new_msg);