163 lines
6.2 KiB
C
163 lines
6.2 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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#include <endian.h>
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#include "macro.h"
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/* Packet header */
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struct _packed_ bus_header {
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/* The first four fields are identical for dbus1, and dbus2 */
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uint8_t endian;
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uint8_t type;
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uint8_t flags;
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uint8_t version;
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union _packed_ {
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/* dbus1: Used for SOCK_STREAM connections */
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struct _packed_ {
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uint32_t body_size;
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/* Note that what the bus spec calls "serial" we'll call
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"cookie" instead, because we don't want to imply that the
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cookie was in any way monotonically increasing. */
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uint32_t serial;
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uint32_t fields_size;
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} dbus1;
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/* dbus2: Used for kdbus connections */
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struct _packed_ {
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uint32_t _reserved;
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uint64_t cookie;
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} dbus2;
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/* Note that both header versions have the same size! */
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};
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};
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/* Endianness */
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enum {
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_BUS_INVALID_ENDIAN = 0,
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BUS_LITTLE_ENDIAN = 'l',
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BUS_BIG_ENDIAN = 'B',
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#if __BYTE_ORDER == __BIG_ENDIAN
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BUS_NATIVE_ENDIAN = BUS_BIG_ENDIAN,
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BUS_REVERSE_ENDIAN = BUS_LITTLE_ENDIAN
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#else
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BUS_NATIVE_ENDIAN = BUS_LITTLE_ENDIAN,
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BUS_REVERSE_ENDIAN = BUS_BIG_ENDIAN
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#endif
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};
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/* Flags */
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enum {
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BUS_MESSAGE_NO_REPLY_EXPECTED = 1,
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BUS_MESSAGE_NO_AUTO_START = 2,
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BUS_MESSAGE_ALLOW_INTERACTIVE_AUTHORIZATION = 4,
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};
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/* Header fields */
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enum {
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_BUS_MESSAGE_HEADER_INVALID = 0,
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BUS_MESSAGE_HEADER_PATH,
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BUS_MESSAGE_HEADER_INTERFACE,
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BUS_MESSAGE_HEADER_MEMBER,
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BUS_MESSAGE_HEADER_ERROR_NAME,
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BUS_MESSAGE_HEADER_REPLY_SERIAL,
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BUS_MESSAGE_HEADER_DESTINATION,
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BUS_MESSAGE_HEADER_SENDER,
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BUS_MESSAGE_HEADER_SIGNATURE,
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BUS_MESSAGE_HEADER_UNIX_FDS,
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_BUS_MESSAGE_HEADER_MAX
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};
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/* RequestName parameters */
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enum {
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BUS_NAME_ALLOW_REPLACEMENT = 1,
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BUS_NAME_REPLACE_EXISTING = 2,
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BUS_NAME_DO_NOT_QUEUE = 4
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};
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/* RequestName returns */
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enum {
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BUS_NAME_PRIMARY_OWNER = 1,
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BUS_NAME_IN_QUEUE = 2,
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BUS_NAME_EXISTS = 3,
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BUS_NAME_ALREADY_OWNER = 4
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};
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/* ReleaseName returns */
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enum {
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BUS_NAME_RELEASED = 1,
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BUS_NAME_NON_EXISTENT = 2,
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BUS_NAME_NOT_OWNER = 3,
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};
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/* StartServiceByName returns */
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enum {
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BUS_START_REPLY_SUCCESS = 1,
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BUS_START_REPLY_ALREADY_RUNNING = 2,
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};
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#define BUS_INTROSPECT_DOCTYPE \
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"<!DOCTYPE node PUBLIC \"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\"\n" \
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"\"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\">\n"
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#define BUS_INTROSPECT_INTERFACE_PEER \
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" <interface name=\"org.freedesktop.DBus.Peer\">\n" \
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" <method name=\"Ping\"/>\n" \
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" <method name=\"GetMachineId\">\n" \
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" <arg type=\"s\" name=\"machine_uuid\" direction=\"out\"/>\n" \
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" </method>\n" \
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" </interface>\n"
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#define BUS_INTROSPECT_INTERFACE_INTROSPECTABLE \
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" <interface name=\"org.freedesktop.DBus.Introspectable\">\n" \
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" <method name=\"Introspect\">\n" \
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" <arg name=\"data\" type=\"s\" direction=\"out\"/>\n" \
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" </method>\n" \
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" </interface>\n"
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#define BUS_INTROSPECT_INTERFACE_PROPERTIES \
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" <interface name=\"org.freedesktop.DBus.Properties\">\n" \
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" <method name=\"Get\">\n" \
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" <arg name=\"interface\" direction=\"in\" type=\"s\"/>\n" \
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" <arg name=\"property\" direction=\"in\" type=\"s\"/>\n" \
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" <arg name=\"value\" direction=\"out\" type=\"v\"/>\n" \
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" </method>\n" \
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" <method name=\"GetAll\">\n" \
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" <arg name=\"interface\" direction=\"in\" type=\"s\"/>\n" \
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" <arg name=\"properties\" direction=\"out\" type=\"a{sv}\"/>\n" \
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" </method>\n" \
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" <method name=\"Set\">\n" \
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" <arg name=\"interface\" direction=\"in\" type=\"s\"/>\n" \
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" <arg name=\"property\" direction=\"in\" type=\"s\"/>\n" \
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" <arg name=\"value\" direction=\"in\" type=\"v\"/>\n" \
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" </method>\n" \
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" <signal name=\"PropertiesChanged\">\n" \
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" <arg type=\"s\" name=\"interface\"/>\n" \
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" <arg type=\"a{sv}\" name=\"changed_properties\"/>\n" \
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" <arg type=\"as\" name=\"invalidated_properties\"/>\n" \
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" </signal>\n" \
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" </interface>\n"
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#define BUS_INTROSPECT_INTERFACE_OBJECT_MANAGER \
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" <interface name=\"org.freedesktop.DBus.ObjectManager\">\n" \
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" <method name=\"GetManagedObjects\">\n" \
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" <arg type=\"a{oa{sa{sv}}}\" name=\"object_paths_interfaces_and_properties\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <signal name=\"InterfacesAdded\">\n" \
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" <arg type=\"o\" name=\"object_path\"/>\n" \
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" <arg type=\"a{sa{sv}}\" name=\"interfaces_and_properties\"/>\n" \
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" </signal>\n" \
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" <signal name=\"InterfacesRemoved\">\n" \
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" <arg type=\"o\" name=\"object_path\"/>\n" \
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" <arg type=\"as\" name=\"interfaces\"/>\n" \
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" </signal>\n" \
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" </interface>\n"
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