bus.h revision 4299eb3c0907100fe95d2986984b48d40cc52841
1/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2/* bus.h  message bus context object
3 *
4 * Copyright (C) 2003 Red Hat, Inc.
5 *
6 * Licensed under the Academic Free License version 2.1
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
21 *
22 */
23
24#ifndef BUS_BUS_H
25#define BUS_BUS_H
26
27#include <dbus/dbus.h>
28#include <dbus/dbus-string.h>
29#include <dbus/dbus-mainloop.h>
30#include <dbus/dbus-pipe.h>
31#include <dbus/dbus-sysdeps.h>
32
33typedef struct BusActivation    BusActivation;
34typedef struct BusConnections   BusConnections;
35typedef struct BusContext       BusContext;
36typedef struct BusPolicy        BusPolicy;
37typedef struct BusClientPolicy  BusClientPolicy;
38typedef struct BusPolicyRule    BusPolicyRule;
39typedef struct BusRegistry      BusRegistry;
40typedef struct BusSELinuxID     BusSELinuxID;
41typedef struct BusService       BusService;
42typedef struct BusOwner		BusOwner;
43typedef struct BusTransaction   BusTransaction;
44typedef struct BusMatchmaker    BusMatchmaker;
45typedef struct BusMatchRule     BusMatchRule;
46
47typedef struct
48{
49  long max_incoming_bytes;          /**< How many incoming message bytes for a single connection */
50  long max_incoming_unix_fds;       /**< How many incoming message unix fds for a single connection */
51  long max_outgoing_bytes;          /**< How many outgoing bytes can be queued for a single connection */
52  long max_outgoing_unix_fds;       /**< How many outgoing unix fds can be queued for a single connection */
53  long max_message_size;            /**< Max size of a single message in bytes */
54  long max_message_unix_fds;        /**< Max number of unix fds of a single message*/
55  int activation_timeout;           /**< How long to wait for an activation to time out */
56  int auth_timeout;                 /**< How long to wait for an authentication to time out */
57  int max_completed_connections;    /**< Max number of authorized connections */
58  int max_incomplete_connections;   /**< Max number of incomplete connections */
59  int max_connections_per_user;     /**< Max number of connections auth'd as same user */
60  int max_pending_activations;      /**< Max number of pending activations for the entire bus */
61  int max_services_per_connection;  /**< Max number of owned services for a single connection */
62  int max_match_rules_per_connection; /**< Max number of match rules for a single connection */
63  int max_replies_per_connection;     /**< Max number of replies that can be pending for each connection */
64  int reply_timeout;                  /**< How long to wait before timing out a reply */
65} BusLimits;
66
67typedef enum
68{
69  BUS_CONTEXT_FLAG_NONE = 0,
70  BUS_CONTEXT_FLAG_FORK_ALWAYS = (1 << 1),
71  BUS_CONTEXT_FLAG_FORK_NEVER = (1 << 2),
72  BUS_CONTEXT_FLAG_WRITE_PID_FILE = (1 << 3),
73  BUS_CONTEXT_FLAG_SYSTEMD_ACTIVATION = (1 << 4)
74} BusContextFlags;
75
76BusContext*       bus_context_new                                (const DBusString *config_file,
77                                                                  BusContextFlags   flags,
78                                                                  DBusPipe         *print_addr_pipe,
79                                                                  DBusPipe         *print_pid_pipe,
80                                                                  const DBusString *address,
81                                                                  DBusError        *error);
82dbus_bool_t       bus_context_reload_config                      (BusContext       *context,
83								  DBusError        *error);
84void              bus_context_shutdown                           (BusContext       *context);
85BusContext*       bus_context_ref                                (BusContext       *context);
86void              bus_context_unref                              (BusContext       *context);
87dbus_bool_t       bus_context_get_id                             (BusContext       *context,
88                                                                  DBusString       *uuid);
89const char*       bus_context_get_type                           (BusContext       *context);
90const char*       bus_context_get_address                        (BusContext       *context);
91const char*       bus_context_get_servicehelper                  (BusContext       *context);
92dbus_bool_t       bus_context_get_systemd_activation             (BusContext       *context);
93BusRegistry*      bus_context_get_registry                       (BusContext       *context);
94BusConnections*   bus_context_get_connections                    (BusContext       *context);
95BusActivation*    bus_context_get_activation                     (BusContext       *context);
96BusMatchmaker*    bus_context_get_matchmaker                     (BusContext       *context);
97DBusLoop*         bus_context_get_loop                           (BusContext       *context);
98dbus_bool_t       bus_context_allow_unix_user                    (BusContext       *context,
99                                                                  unsigned long     uid);
100dbus_bool_t       bus_context_allow_windows_user                 (BusContext       *context,
101                                                                  const char       *windows_sid);
102BusPolicy*        bus_context_get_policy                         (BusContext       *context);
103
104BusClientPolicy*  bus_context_create_client_policy               (BusContext       *context,
105                                                                  DBusConnection   *connection,
106                                                                  DBusError        *error);
107int               bus_context_get_activation_timeout             (BusContext       *context);
108int               bus_context_get_auth_timeout                   (BusContext       *context);
109int               bus_context_get_max_completed_connections      (BusContext       *context);
110int               bus_context_get_max_incomplete_connections     (BusContext       *context);
111int               bus_context_get_max_connections_per_user       (BusContext       *context);
112int               bus_context_get_max_pending_activations        (BusContext       *context);
113int               bus_context_get_max_services_per_connection    (BusContext       *context);
114int               bus_context_get_max_match_rules_per_connection (BusContext       *context);
115int               bus_context_get_max_replies_per_connection     (BusContext       *context);
116int               bus_context_get_reply_timeout                  (BusContext       *context);
117void              bus_context_log                                (BusContext       *context,
118                                                                  DBusSystemLogSeverity severity,
119                                                                  const char       *msg,
120                                                                  ...);
121dbus_bool_t       bus_context_check_security_policy              (BusContext       *context,
122                                                                  BusTransaction   *transaction,
123                                                                  DBusConnection   *sender,
124                                                                  DBusConnection   *addressed_recipient,
125                                                                  DBusConnection   *proposed_recipient,
126                                                                  DBusMessage      *message,
127                                                                  DBusError        *error);
128
129#endif /* BUS_BUS_H */
130