From: Ronnie Sahlberg <sahlberg@ronnie>
Date: Wed, 22 Aug 2007 01:34:48 +0000 (+1000)
Subject: if the node is inactive  i.e. banned or disconnected  then that node is
X-Git-Tag: tevent-0.9.20~348^2~2437^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e3b6d1e511b03d03219b6c21312a902ff848fe5b;p=thirdparty%2Fsamba.git

if the node is inactive  i.e. banned or disconnected  then that node is
not participating in the cluster

if a client tries to attach to a database while the node is inactive,
return an error back to the client and fail the attach

(This used to be ctdb commit b26949f3c8e54f3bc60da04d7b4ac69f301068fc)
---

diff --git a/ctdb/server/ctdb_ltdb_server.c b/ctdb/server/ctdb_ltdb_server.c
index bd07f674db9..d1e83a5fefb 100644
--- a/ctdb/server/ctdb_ltdb_server.c
+++ b/ctdb/server/ctdb_ltdb_server.c
@@ -194,8 +194,19 @@ int32_t ctdb_control_db_attach(struct ctdb_context *ctdb, TDB_DATA indata,
 {
 	const char *db_name = (const char *)indata.dptr;
 	struct ctdb_db_context *ctdb_db, *tmp_db;
+	struct ctdb_node *node = ctdb->nodes[ctdb->vnn];
 	int ret;
 
+	/* If the node is inactive it is not part of the cluster
+	   and we should not allow clients to attach to any
+	   databases
+	*/
+	if (node->flags & NODE_FLAGS_INACTIVE) {
+		DEBUG(0,("DB Attach to database %s refused since node is inactive (disconnected or banned)\n", db_name));
+		return -1;
+	}
+
+
 	/* see if we already have this name */
 	for (tmp_db=ctdb->db_list;tmp_db;tmp_db=tmp_db->next) {
 		if (strcmp(db_name, tmp_db->db_name) == 0) {