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cd23a5df10
When processes connect the bus, the AppArmor confinement context should be stored for later use when checks are to be done during message sending/receiving, acquire a name, and eavesdropping. Code outside of apparmor.c will need to initialize and unreference the confinement context, so bus_apparmor_confinement_unref() can no longer be a static function. [Move bus_apparmor_confinement_unref back to its old location for a more reasonable diff -smcv] Bug: https://bugs.freedesktop.org/show_bug.cgi?id=75113 Reviewed-by: Simon McVittie <simon.mcvittie@collabora.co.uk>
143 lines
9.3 KiB
C
143 lines
9.3 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/* bus.h message bus context object
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*
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* Copyright (C) 2003 Red Hat, Inc.
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*
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* Licensed under the Academic Free License version 2.1
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef BUS_BUS_H
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#define BUS_BUS_H
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#include <dbus/dbus.h>
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#include <dbus/dbus-string.h>
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#include <dbus/dbus-mainloop.h>
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#include <dbus/dbus-pipe.h>
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#include <dbus/dbus-sysdeps.h>
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typedef struct BusActivation BusActivation;
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typedef struct BusConnections BusConnections;
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typedef struct BusContext BusContext;
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typedef struct BusPolicy BusPolicy;
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typedef struct BusClientPolicy BusClientPolicy;
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typedef struct BusPolicyRule BusPolicyRule;
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typedef struct BusRegistry BusRegistry;
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typedef struct BusSELinuxID BusSELinuxID;
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typedef struct BusAppArmorConfinement BusAppArmorConfinement;
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typedef struct BusService BusService;
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typedef struct BusOwner BusOwner;
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typedef struct BusTransaction BusTransaction;
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typedef struct BusMatchmaker BusMatchmaker;
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typedef struct BusMatchRule BusMatchRule;
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typedef struct
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{
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long max_incoming_bytes; /**< How many incoming message bytes for a single connection */
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long max_incoming_unix_fds; /**< How many incoming message unix fds for a single connection */
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long max_outgoing_bytes; /**< How many outgoing bytes can be queued for a single connection */
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long max_outgoing_unix_fds; /**< How many outgoing unix fds can be queued for a single connection */
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long max_message_size; /**< Max size of a single message in bytes */
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long max_message_unix_fds; /**< Max number of unix fds of a single message*/
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int activation_timeout; /**< How long to wait for an activation to time out */
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int auth_timeout; /**< How long to wait for an authentication to time out */
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int pending_fd_timeout; /**< How long to wait for a D-Bus message with a fd to time out */
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int max_completed_connections; /**< Max number of authorized connections */
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int max_incomplete_connections; /**< Max number of incomplete connections */
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int max_connections_per_user; /**< Max number of connections auth'd as same user */
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int max_pending_activations; /**< Max number of pending activations for the entire bus */
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int max_services_per_connection; /**< Max number of owned services for a single connection */
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int max_match_rules_per_connection; /**< Max number of match rules for a single connection */
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int max_replies_per_connection; /**< Max number of replies that can be pending for each connection */
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int reply_timeout; /**< How long to wait before timing out a reply */
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} BusLimits;
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typedef enum
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{
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BUS_CONTEXT_FLAG_NONE = 0,
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BUS_CONTEXT_FLAG_FORK_ALWAYS = (1 << 1),
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BUS_CONTEXT_FLAG_FORK_NEVER = (1 << 2),
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BUS_CONTEXT_FLAG_WRITE_PID_FILE = (1 << 3),
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BUS_CONTEXT_FLAG_SYSTEMD_ACTIVATION = (1 << 4)
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} BusContextFlags;
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BusContext* bus_context_new (const DBusString *config_file,
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BusContextFlags flags,
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DBusPipe *print_addr_pipe,
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DBusPipe *print_pid_pipe,
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const DBusString *address,
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DBusError *error);
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dbus_bool_t bus_context_reload_config (BusContext *context,
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DBusError *error);
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void bus_context_shutdown (BusContext *context);
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BusContext* bus_context_ref (BusContext *context);
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void bus_context_unref (BusContext *context);
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dbus_bool_t bus_context_get_id (BusContext *context,
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DBusString *uuid);
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const char* bus_context_get_type (BusContext *context);
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const char* bus_context_get_address (BusContext *context);
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const char* bus_context_get_servicehelper (BusContext *context);
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dbus_bool_t bus_context_get_systemd_activation (BusContext *context);
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BusRegistry* bus_context_get_registry (BusContext *context);
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BusConnections* bus_context_get_connections (BusContext *context);
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BusActivation* bus_context_get_activation (BusContext *context);
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BusMatchmaker* bus_context_get_matchmaker (BusContext *context);
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DBusLoop* bus_context_get_loop (BusContext *context);
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dbus_bool_t bus_context_allow_unix_user (BusContext *context,
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unsigned long uid);
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dbus_bool_t bus_context_allow_windows_user (BusContext *context,
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const char *windows_sid);
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BusPolicy* bus_context_get_policy (BusContext *context);
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BusClientPolicy* bus_context_create_client_policy (BusContext *context,
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DBusConnection *connection,
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DBusError *error);
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int bus_context_get_activation_timeout (BusContext *context);
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int bus_context_get_auth_timeout (BusContext *context);
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int bus_context_get_pending_fd_timeout (BusContext *context);
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int bus_context_get_max_completed_connections (BusContext *context);
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int bus_context_get_max_incomplete_connections (BusContext *context);
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int bus_context_get_max_connections_per_user (BusContext *context);
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int bus_context_get_max_pending_activations (BusContext *context);
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int bus_context_get_max_services_per_connection (BusContext *context);
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int bus_context_get_max_match_rules_per_connection (BusContext *context);
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int bus_context_get_max_replies_per_connection (BusContext *context);
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int bus_context_get_reply_timeout (BusContext *context);
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DBusRLimit * bus_context_get_initial_fd_limit (BusContext *context);
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void bus_context_log (BusContext *context,
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DBusSystemLogSeverity severity,
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const char *msg,
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...) _DBUS_GNUC_PRINTF (3, 4);
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void bus_context_log_literal (BusContext *context,
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DBusSystemLogSeverity severity,
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const char *msg);
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void bus_context_log_and_set_error (BusContext *context,
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DBusSystemLogSeverity severity,
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DBusError *error,
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const char *name,
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const char *msg,
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...) _DBUS_GNUC_PRINTF (5, 6);
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dbus_bool_t bus_context_check_security_policy (BusContext *context,
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BusTransaction *transaction,
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DBusConnection *sender,
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DBusConnection *addressed_recipient,
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DBusConnection *proposed_recipient,
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DBusMessage *message,
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DBusError *error);
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void bus_context_check_all_watches (BusContext *context);
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#endif /* BUS_BUS_H */
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