smbd/winbindd: Do an early check if ctdbd is functional

This will avoid panic calls when smbd and winbind is started in cluster
mode before ctdb is functional. It still logs something sane at debug
level 0, but it does not panic and core anymore.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/source3/smbd/server.c b/source3/smbd/server.c
index d3cd33ec90..3536f18cf4 100644
--- a/source3/smbd/server.c
+++ b/source3/smbd/server.c
@@ -1214,6 +1214,17 @@ extern void build_options(bool screen);
 		exit(1);
 	}
 
+	if (lp_clustering()) {
+		NTSTATUS status;
+
+		status = ctdbd_probe();
+		if (!NT_STATUS_IS_OK(status)) {
+			DEBUG(0, ("clustering=yes but ctdbd connect failed: "
+				  "%s\n", nt_errstr(status)));
+			exit(1);
+		}
+	}
+
 	/* Init the security context and global current_user */
 	init_sec_ctx();