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1 /* -*- mode: C; c-file-style: "gnu" -*- */
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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21  *
22  */
23 
24 #ifndef BUS_BUS_H
25 #define BUS_BUS_H
26 
27 #include <config.h>
28 
29 #include <dbus/dbus.h>
30 #include <dbus/dbus-string.h>
31 #include <dbus/dbus-mainloop.h>
32 #include <dbus/dbus-userdb.h>
33 
34 typedef struct BusActivation    BusActivation;
35 typedef struct BusConnections   BusConnections;
36 typedef struct BusContext       BusContext;
37 typedef struct BusPolicy        BusPolicy;
38 typedef struct BusClientPolicy  BusClientPolicy;
39 typedef struct BusPolicyRule    BusPolicyRule;
40 typedef struct BusRegistry      BusRegistry;
41 typedef struct BusSELinuxID     BusSELinuxID;
42 typedef struct BusService       BusService;
43 typedef struct BusOwner		BusOwner;
44 typedef struct BusTransaction   BusTransaction;
45 typedef struct BusMatchmaker    BusMatchmaker;
46 typedef struct BusMatchRule     BusMatchRule;
47 
48 typedef struct
49 {
50   long max_incoming_bytes;          /**< How many incoming message bytes for a single connection */
51   long max_outgoing_bytes;          /**< How many outgoing bytes can be queued for a single connection */
52   long max_message_size;            /**< Max size of a single message in bytes */
53   int activation_timeout;           /**< How long to wait for an activation to time out */
54   int auth_timeout;                 /**< How long to wait for an authentication to time out */
55   int max_completed_connections;    /**< Max number of authorized connections */
56   int max_incomplete_connections;   /**< Max number of incomplete connections */
57   int max_connections_per_user;     /**< Max number of connections auth'd as same user */
58   int max_pending_activations;      /**< Max number of pending activations for the entire bus */
59   int max_services_per_connection;  /**< Max number of owned services for a single connection */
60   int max_match_rules_per_connection; /**< Max number of match rules for a single connection */
61   int max_replies_per_connection;     /**< Max number of replies that can be pending for each connection */
62   int reply_timeout;                  /**< How long to wait before timing out a reply */
63 } BusLimits;
64 
65 typedef enum
66 {
67   FORK_FOLLOW_CONFIG_FILE,
68   FORK_ALWAYS,
69   FORK_NEVER
70 } ForceForkSetting;
71 
72 BusContext*       bus_context_new                                (const DBusString *config_file,
73                                                                   ForceForkSetting  force_fork,
74                                                                   int               print_addr_fd,
75                                                                   int               print_pid_fd,
76                                                                   DBusError        *error);
77 dbus_bool_t       bus_context_reload_config                      (BusContext       *context,
78 								  DBusError        *error);
79 void              bus_context_shutdown                           (BusContext       *context);
80 BusContext*       bus_context_ref                                (BusContext       *context);
81 void              bus_context_unref                              (BusContext       *context);
82 const char*       bus_context_get_type                           (BusContext       *context);
83 const char*       bus_context_get_address                        (BusContext       *context);
84 BusRegistry*      bus_context_get_registry                       (BusContext       *context);
85 BusConnections*   bus_context_get_connections                    (BusContext       *context);
86 BusActivation*    bus_context_get_activation                     (BusContext       *context);
87 BusMatchmaker*    bus_context_get_matchmaker                     (BusContext       *context);
88 DBusLoop*         bus_context_get_loop                           (BusContext       *context);
89 DBusUserDatabase* bus_context_get_user_database                  (BusContext       *context);
90 
91 dbus_bool_t       bus_context_allow_user                         (BusContext       *context,
92                                                                   unsigned long     uid);
93 BusPolicy*        bus_context_get_policy                         (BusContext       *context);
94 
95 BusClientPolicy*  bus_context_create_client_policy               (BusContext       *context,
96                                                                   DBusConnection   *connection,
97                                                                   DBusError        *error);
98 int               bus_context_get_activation_timeout             (BusContext       *context);
99 int               bus_context_get_auth_timeout                   (BusContext       *context);
100 int               bus_context_get_max_completed_connections      (BusContext       *context);
101 int               bus_context_get_max_incomplete_connections     (BusContext       *context);
102 int               bus_context_get_max_connections_per_user       (BusContext       *context);
103 int               bus_context_get_max_pending_activations        (BusContext       *context);
104 int               bus_context_get_max_services_per_connection    (BusContext       *context);
105 int               bus_context_get_max_match_rules_per_connection (BusContext       *context);
106 int               bus_context_get_max_replies_per_connection     (BusContext       *context);
107 int               bus_context_get_reply_timeout                  (BusContext       *context);
108 dbus_bool_t       bus_context_check_security_policy              (BusContext       *context,
109                                                                   BusTransaction   *transaction,
110                                                                   DBusConnection   *sender,
111                                                                   DBusConnection   *addressed_recipient,
112                                                                   DBusConnection   *proposed_recipient,
113                                                                   DBusMessage      *message,
114                                                                   DBusError        *error);
115 
116 #endif /* BUS_BUS_H */
117