/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ #pragma once /*** This file is part of systemd. Copyright 2013 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <endian.h> #include "macro.h" /* Packet header */ struct _packed_ bus_header { /* The first four fields are identical for dbus1, and dbus2 */ uint8_t endian; uint8_t type; uint8_t flags; uint8_t version; union _packed_ { /* dbus1: Used for SOCK_STREAM connections */ struct _packed_ { uint32_t body_size; /* Note that what the bus spec calls "serial" we'll call "cookie" instead, because we don't want to imply that the cookie was in any way monotonically increasing. */ uint32_t serial; uint32_t fields_size; } dbus1; /* dbus2: Used for kdbus connections */ struct _packed_ { uint32_t _reserved; uint64_t cookie; } dbus2; /* Note that both header versions have the same size! */ }; }; /* Endianness */ enum { _BUS_INVALID_ENDIAN = 0, BUS_LITTLE_ENDIAN = 'l', BUS_BIG_ENDIAN = 'B', #if __BYTE_ORDER == __BIG_ENDIAN BUS_NATIVE_ENDIAN = BUS_BIG_ENDIAN, BUS_REVERSE_ENDIAN = BUS_LITTLE_ENDIAN #else BUS_NATIVE_ENDIAN = BUS_LITTLE_ENDIAN, BUS_REVERSE_ENDIAN = BUS_BIG_ENDIAN #endif }; /* Flags */ enum { BUS_MESSAGE_NO_REPLY_EXPECTED = 1, BUS_MESSAGE_NO_AUTO_START = 2, BUS_MESSAGE_ALLOW_INTERACTIVE_AUTHORIZATION = 4, }; /* Header fields */ enum { _BUS_MESSAGE_HEADER_INVALID = 0, BUS_MESSAGE_HEADER_PATH, BUS_MESSAGE_HEADER_INTERFACE, BUS_MESSAGE_HEADER_MEMBER, BUS_MESSAGE_HEADER_ERROR_NAME, BUS_MESSAGE_HEADER_REPLY_SERIAL, BUS_MESSAGE_HEADER_DESTINATION, BUS_MESSAGE_HEADER_SENDER, BUS_MESSAGE_HEADER_SIGNATURE, BUS_MESSAGE_HEADER_UNIX_FDS, _BUS_MESSAGE_HEADER_MAX }; /* RequestName parameters */ enum { BUS_NAME_ALLOW_REPLACEMENT = 1, BUS_NAME_REPLACE_EXISTING = 2, BUS_NAME_DO_NOT_QUEUE = 4 }; /* RequestName returns */ enum { BUS_NAME_PRIMARY_OWNER = 1, BUS_NAME_IN_QUEUE = 2, BUS_NAME_EXISTS = 3, BUS_NAME_ALREADY_OWNER = 4 }; /* ReleaseName returns */ enum { BUS_NAME_RELEASED = 1, BUS_NAME_NON_EXISTENT = 2, BUS_NAME_NOT_OWNER = 3, }; /* StartServiceByName returns */ enum { BUS_START_REPLY_SUCCESS = 1, BUS_START_REPLY_ALREADY_RUNNING = 2, }; #define BUS_INTROSPECT_DOCTYPE \ "<!DOCTYPE node PUBLIC \"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\"\n" \ "\"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\">\n" #define BUS_INTROSPECT_INTERFACE_PEER \ " <interface name=\"org.freedesktop.DBus.Peer\">\n" \ " <method name=\"Ping\"/>\n" \ " <method name=\"GetMachineId\">\n" \ " <arg type=\"s\" name=\"machine_uuid\" direction=\"out\"/>\n" \ " </method>\n" \ " </interface>\n" #define BUS_INTROSPECT_INTERFACE_INTROSPECTABLE \ " <interface name=\"org.freedesktop.DBus.Introspectable\">\n" \ " <method name=\"Introspect\">\n" \ " <arg name=\"data\" type=\"s\" direction=\"out\"/>\n" \ " </method>\n" \ " </interface>\n" #define BUS_INTROSPECT_INTERFACE_PROPERTIES \ " <interface name=\"org.freedesktop.DBus.Properties\">\n" \ " <method name=\"Get\">\n" \ " <arg name=\"interface\" direction=\"in\" type=\"s\"/>\n" \ " <arg name=\"property\" direction=\"in\" type=\"s\"/>\n" \ " <arg name=\"value\" direction=\"out\" type=\"v\"/>\n" \ " </method>\n" \ " <method name=\"GetAll\">\n" \ " <arg name=\"interface\" direction=\"in\" type=\"s\"/>\n" \ " <arg name=\"properties\" direction=\"out\" type=\"a{sv}\"/>\n" \ " </method>\n" \ " <method name=\"Set\">\n" \ " <arg name=\"interface\" direction=\"in\" type=\"s\"/>\n" \ " <arg name=\"property\" direction=\"in\" type=\"s\"/>\n" \ " <arg name=\"value\" direction=\"in\" type=\"v\"/>\n" \ " </method>\n" \ " <signal name=\"PropertiesChanged\">\n" \ " <arg type=\"s\" name=\"interface\"/>\n" \ " <arg type=\"a{sv}\" name=\"changed_properties\"/>\n" \ " <arg type=\"as\" name=\"invalidated_properties\"/>\n" \ " </signal>\n" \ " </interface>\n" #define BUS_INTROSPECT_INTERFACE_OBJECT_MANAGER \ " <interface name=\"org.freedesktop.DBus.ObjectManager\">\n" \ " <method name=\"GetManagedObjects\">\n" \ " <arg type=\"a{oa{sa{sv}}}\" name=\"object_paths_interfaces_and_properties\" direction=\"out\"/>\n" \ " </method>\n" \ " <signal name=\"InterfacesAdded\">\n" \ " <arg type=\"o\" name=\"object_path\"/>\n" \ " <arg type=\"a{sa{sv}}\" name=\"interfaces_and_properties\"/>\n" \ " </signal>\n" \ " <signal name=\"InterfacesRemoved\">\n" \ " <arg type=\"o\" name=\"object_path\"/>\n" \ " <arg type=\"as\" name=\"interfaces\"/>\n" \ " </signal>\n" \ " </interface>\n"