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-rw-r--r--src/providers/fail_over.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/src/providers/fail_over.c b/src/providers/fail_over.c
index c4dd1ea0..c5db7024 100644
--- a/src/providers/fail_over.c
+++ b/src/providers/fail_over.c
@@ -1288,21 +1288,40 @@ resolve_srv_done(struct tevent_req *subreq)
backup_servers, num_backup_servers,
state->meta->srv_data,
state->meta->user_data,
- false, NULL);
+ false, &last_server);
if (ret != EOK) {
goto done;
}
}
+ if (last_server == state->meta) {
+ /* SRV lookup returned only those servers
+ * that are already present. */
+ DEBUG(SSSDBG_TRACE_FUNC, ("SRV lookup did not return "
+ "any new server.\n"));
+ ret = ERR_SRV_DUPLICATES;
+ goto done;
+ }
+
+ /* At least one new server was inserted.
+ * We will return the first new server. */
+ if (state->meta->next == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE,
+ ("BUG: state->meta->next is NULL\n"));
+ ret = ERR_INTERNAL;
+ goto done;
+ }
+
state->out = state->meta->next;
+ /* And remove meta server from the server list. It will be
+ * inserted again during srv collapse. */
DLIST_REMOVE(state->service->server_list, state->meta);
if (state->service->last_tried_server == state->meta) {
state->service->last_tried_server = state->out;
}
set_srv_data_status(state->meta->srv_data, SRV_RESOLVED);
-
ret = EOK;
break;
case ERR_SRV_NOT_FOUND: