--- /dev/null
+#include "config.h"
+
+#include <stdarg.h>
+
+#include <hooks.h>
+#include <node.h>
+
+#include "callbacks.h"
+#include "process.h"
+
+#include "system.h"
+
+void hook_node_visible(const char *hooktype, va_list ap)
+{
+ char *name;
+ node_t *n;
+
+ n = va_arg(ap, node_t*);
+ asprintf(&name, "hosts/%s-down", n->name);
+ execute_script(name);
+ free(name);
+}
+
+void hook_node_invisible(const char *hooktype, va_list ap)
+{
+ char *name;
+ node_t *n;
+
+ n = va_arg(ap, node_t*);
+ asprintf(&name, "hosts/%s-up", n->name);
+ execute_script(name);
+ free(name);
+}
+
+void init_callbacks(void)
+{
+ add_hook("node-visible", hook_node_visible);
+ add_hook("node-invisible", hook_node_invisible);
+}
--- /dev/null
+
+#ifndef __TINC_CALLBACKS_H__
+#define __TINC_CALLBACKS_H__
+
+extern void init_callbacks(void);
+
+#endif /* __TINC_CALLBACKS_H__ */