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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* dbus-sysdeps-unix.h UNIX-specific wrappers around system/libc features (internal to D-Bus implementation)
*
* Copyright (C) 2002, 2003, 2006 Red Hat, Inc.
* Copyright (C) 2003 CodeFactory AB
*
* SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef DBUS_SYSDEPS_UNIX_H
#define DBUS_SYSDEPS_UNIX_H
#include <dbus/dbus-sysdeps.h>
#ifdef DBUS_WIN
#error "Don't include this on Windows"
#endif
DBUS_BEGIN_DECLS
/**
* @defgroup DBusSysdepsUnix UNIX-specific internal API
* @ingroup DBusInternals
* @brief Internal system-dependent API available on UNIX only
* @{
*/
DBUS_PRIVATE_EXPORT
dbus_bool_t
_dbus_close (int fd,
DBusError *error);
DBUS_PRIVATE_EXPORT
int _dbus_dup (int fd,
DBusError *error);
DBUS_PRIVATE_EXPORT
int
_dbus_read (int fd,
DBusString *buffer,
int count);
int
_dbus_write (int fd,
const DBusString *buffer,
int start,
int len);
int
_dbus_write_two (int fd,
const DBusString *buffer1,
int start1,
int len1,
const DBusString *buffer2,
int start2,
int len2);
int _dbus_listen_systemd_sockets (DBusSocket **fd,
DBusError *error);
dbus_bool_t _dbus_read_credentials (int client_fd,
DBusCredentials *credentials,
DBusError *error);
dbus_bool_t _dbus_send_credentials (int server_fd,
DBusError *error);
dbus_bool_t _dbus_lookup_launchd_socket (DBusString *socket_path,
const char *launchd_env_var,
DBusError *error);
/** Information about a UNIX user */
typedef struct DBusUserInfo DBusUserInfo;
/** Information about a UNIX group */
typedef struct DBusGroupInfo DBusGroupInfo;
/**
* Information about a UNIX user
*/
struct DBusUserInfo
{
size_t refcount; /**< Reference count */
dbus_uid_t uid; /**< UID */
dbus_gid_t primary_gid; /**< GID */
dbus_gid_t *group_ids; /**< Groups IDs, *including* above primary group */
int n_group_ids; /**< Size of group IDs array */
char *username; /**< Username */
char *homedir; /**< Home directory */
};
/**
* Information about a UNIX group
*/
struct DBusGroupInfo
{
size_t refcount; /**< Reference count */
dbus_gid_t gid; /**< GID */
char *groupname; /**< Group name */
};
dbus_bool_t _dbus_user_info_fill (DBusUserInfo *info,
const DBusString *username,
DBusError *error);
dbus_bool_t _dbus_user_info_fill_uid (DBusUserInfo *info,
dbus_uid_t uid,
DBusError *error);
void _dbus_user_info_free (DBusUserInfo *info);
dbus_bool_t _dbus_group_info_fill (DBusGroupInfo *info,
const DBusString *groupname,
DBusError *error);
dbus_bool_t _dbus_group_info_fill_gid (DBusGroupInfo *info,
dbus_gid_t gid,
DBusError *error);
void _dbus_group_info_free (DBusGroupInfo *info);
DBUS_PRIVATE_EXPORT
dbus_uid_t _dbus_geteuid (void);
DBUS_PRIVATE_EXPORT
void _dbus_close_all (void);
DBUS_PRIVATE_EXPORT
void _dbus_fd_set_all_close_on_exec (void);
DBUS_PRIVATE_EXPORT
void _dbus_fd_clear_close_on_exec (int fd);
dbus_bool_t _dbus_append_address_from_socket (DBusSocket fd,
DBusString *address,
DBusError *error);
DBUS_PRIVATE_EXPORT
void _dbus_fd_set_close_on_exec (int fd);
typedef enum
{
DBUS_FORCE_STDIN_NULL = (1 << 0),
DBUS_FORCE_STDOUT_NULL = (1 << 1),
DBUS_FORCE_STDERR_NULL = (1 << 2)
} DBusEnsureStandardFdsFlags;
DBUS_PRIVATE_EXPORT
dbus_bool_t _dbus_ensure_standard_fds (DBusEnsureStandardFdsFlags flags,
const char **error_str_p);
/** A UNIX signal handler */
typedef void (* DBusSignalHandler) (int sig);
void _dbus_set_signal_handler (int sig,
DBusSignalHandler handler);
dbus_bool_t _dbus_reset_oom_score_adj (const char **error_str_p);
/** @} */
DBUS_END_DECLS
#endif /* DBUS_SYSDEPS_UNIX_H */
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