s4:rpc_server: Use lpcfg_dns_hostname() in dns_server.c

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

diff --git a/source4/dns_server/dns_server.c b/source4/dns_server/dns_server.c
index 0a36c1c29e26647a3376384eb31cd5f5af097c5a..4e6e0d32a6cf35fee3343ae5b3ff4e17dced0241 100644 (file)
--- a/source4/dns_server/dns_server.c
+++ b/source4/dns_server/dns_server.c
@@ -822,7 +822,7 @@ static NTSTATUS dns_task_init(struct task_server *task)
        int ret;
        static const char * const attrs_none[] = { NULL};
        struct ldb_message *dns_acc;
-       char *hostname_lower;
+       const char *dns_hostname = NULL;
        char *dns_spn;
        bool ok;
 
@@ -882,11 +882,14 @@ static NTSTATUS dns_task_init(struct task_server *task)
                return NT_STATUS_UNSUCCESSFUL;
        }
 
-       hostname_lower = strlower_talloc(dns, lpcfg_netbios_name(task->lp_ctx));
-       dns_spn = talloc_asprintf(dns, "DNS/%s.%s",
-                                 hostname_lower,
-                                 lpcfg_dnsdomain(task->lp_ctx));
-       TALLOC_FREE(hostname_lower);
+       dns_hostname = lpcfg_dns_hostname(task->lp_ctx);
+       if (dns_hostname == NULL) {
+               return NT_STATUS_NO_MEMORY;
+       }
+       dns_spn = talloc_asprintf(dns, "DNS/%s", dns_hostname);
+       if (dns_spn == NULL) {
+               return NT_STATUS_NO_MEMORY;
+       }
 
        ret = dsdb_search_one(dns->samdb, dns, &dns_acc,
                              ldb_get_default_basedn(dns->samdb), LDB_SCOPE_SUBTREE,