Overhaul dhcpcd for chrome os use

dhcpcd-dbus.h

+/*
+ * dhcpcd-dbus
+ * Copyright 2009 Roy Marples <roy@marples.name>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef DHCPCD_DBUS_H
+#define DHCPCD_DBUS_H
+
+#include <dbus/dbus.h>
+
+#include "dhcpcd.h"
+
+#define DHCPCD_SERVICE "org.chromium.dhcpcd"
+#define DHCPCD_PATH    "/org/chromium/dhcpcd"
+
+DBusHandlerResult _printf(4, 5)
+return_dbus_error(DBusConnection *,
+    DBusMessage *, const char *name, const char *fmt, ...);
+
+int dhcpcd_dbus_init(void);
+void dhcpcd_dbus_close(void);
+
+void dhcpcd_dbus_configure(const struct interface *, const char *reason);
+void dhcpcd_dbus_signal_status(const char *);
+
+#endif