vici: Avoid recursive control log invocations

src/libcharon/plugins/vici/vici_control.c

@@ -49,6 +49,8 @@ typedef struct {
 	u_int id;
 	/** loglevel */
 	level_t level;
+	/** prevent recursive log */
+	u_int recursive;
 } log_info_t;
 
 /**
@@ -58,6 +60,8 @@ static bool log_vici(log_info_t *info, debug_t group, level_t level,
 					 ike_sa_t *ike_sa, char *text)
 {
 	if (level <= info->level)
+	{
+		if (info->recursive++ == 0)
 		{
 			vici_message_t *message;
 			vici_builder_t *builder;
@@ -81,6 +85,8 @@ static bool log_vici(log_info_t *info, debug_t group, level_t level,
 											  info->id, message);
 			}
 		}
+		info->recursive--;
+	}
 	return TRUE;
 }