D-Bus 1.16.0

dbus-userdb.h
1/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2/* dbus-userdb.h User database abstraction
3 *
4 * Copyright (C) 2003 Red Hat, Inc.
5 *
6 * SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later
7 *
8 * Licensed under the Academic Free License version 2.1
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 *
24 */
25
26#ifndef DBUS_USERDB_H
27#define DBUS_USERDB_H
28
29#include <dbus/dbus-sysdeps-unix.h>
30
31#ifdef DBUS_WIN
32#error "Don't include this on Windows"
33#endif
34
35 DBUS_BEGIN_DECLS
36
37 typedef struct DBusUserDatabase DBusUserDatabase;
38
39#ifdef DBUS_USERDB_INCLUDES_PRIVATE
40#include <dbus/dbus-hash.h>
41
45 struct DBusUserDatabase
46{
47 int refcount;
49 DBusHashTable *users;
50 DBusHashTable *groups;
51 DBusHashTable *users_by_name;
52 DBusHashTable *groups_by_name;
54};
55
56
57DBusUserDatabase* _dbus_user_database_new (void);
58DBusUserDatabase* _dbus_user_database_ref (DBusUserDatabase *db);
59 void _dbus_user_database_flush (DBusUserDatabase *db);
60 void _dbus_user_database_unref (DBusUserDatabase *db);
61DBUS_PRIVATE_EXPORT
62 dbus_bool_t _dbus_user_database_get_uid (DBusUserDatabase *db,
63 dbus_uid_t uid,
64 const DBusUserInfo **info,
65 DBusError *error);
66DBUS_PRIVATE_EXPORT
67 dbus_bool_t _dbus_user_database_get_username (DBusUserDatabase *db,
68 const DBusString *username,
69 const DBusUserInfo **info,
70 DBusError *error);
71DBUS_PRIVATE_EXPORT
72 const DBusUserInfo *_dbus_user_database_lookup (DBusUserDatabase *db,
73 dbus_uid_t uid,
74 const DBusString *username,
75 DBusError *error);
76DBUS_PRIVATE_EXPORT
77 const DBusGroupInfo* _dbus_user_database_lookup_group (DBusUserDatabase *db,
78 dbus_gid_t gid,
79 const DBusString *groupname,
80 DBusError *error);
81
82 void _dbus_user_info_unref (DBusUserInfo *info);
83DBUS_PRIVATE_EXPORT
84 void _dbus_group_info_unref (DBusGroupInfo *info);
85#endif /* DBUS_USERDB_INCLUDES_PRIVATE */
86
87DBUS_PRIVATE_EXPORT
88DBusUserDatabase* _dbus_user_database_get_system (void);
89DBUS_PRIVATE_EXPORT _DBUS_WARN_UNUSED_RESULT
90 dbus_bool_t _dbus_user_database_lock_system (void);
91DBUS_PRIVATE_EXPORT
92 void _dbus_user_database_unlock_system (void);
93 void _dbus_user_database_flush_system (void);
94
95 dbus_bool_t _dbus_get_user_id (const DBusString *username,
96 dbus_uid_t *uid);
97 dbus_bool_t _dbus_get_group_id (const DBusString *group_name,
98 dbus_gid_t *gid);
99DBUS_PRIVATE_EXPORT
100 dbus_bool_t _dbus_get_user_id_and_primary_group (const DBusString *username,
101 dbus_uid_t *uid_p,
102 dbus_gid_t *gid_p);
103 dbus_bool_t _dbus_groups_from_uid (dbus_uid_t uid,
104 dbus_gid_t **group_ids,
105 int *n_group_ids,
106 DBusError *error);
107DBUS_PRIVATE_EXPORT
108 dbus_bool_t _dbus_is_console_user (dbus_uid_t uid,
109 DBusError *error);
110
111DBUS_PRIVATE_EXPORT
112 dbus_bool_t _dbus_is_a_number (const DBusString *str,
113 unsigned long *num);
114
115DBUS_PRIVATE_EXPORT
116 dbus_bool_t _dbus_username_from_current_process (const DBusString **username);
117DBUS_PRIVATE_EXPORT
118 dbus_bool_t _dbus_homedir_from_current_process (const DBusString **homedir);
119 dbus_bool_t _dbus_homedir_from_uid (dbus_uid_t uid,
120 DBusString *homedir);
121
122 DBUS_END_DECLS
123
124#endif /* DBUS_USERDB_H */
_dbus_user_database_lock_system
DBUS_PRIVATE_EXPORT _DBUS_WARN_UNUSED_RESULT dbus_bool_t _dbus_user_database_lock_system(void)
Locks global system user database.
Definition dbus-userdb.c:353
_dbus_homedir_from_current_process
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_homedir_from_current_process(const DBusString **homedir)
Gets homedir of user owning current process.
Definition dbus-userdb.c:442
_dbus_user_database_new
DBusUserDatabase * _dbus_user_database_new(void)
Creates a new user database object used to look up and cache user information.
Definition dbus-userdb.c:598
_dbus_user_database_unlock_system
DBUS_PRIVATE_EXPORT void _dbus_user_database_unlock_system(void)
Unlocks global system user database.
Definition dbus-userdb.c:370
_dbus_user_database_unref
void _dbus_user_database_unref(DBusUserDatabase *db)
Decrements refcount of user database.
Definition dbus-userdb.c:671
_dbus_user_database_get_uid
dbus_bool_t _dbus_user_database_get_uid(DBusUserDatabase *db, dbus_uid_t uid, const DBusUserInfo **info, DBusError *error)
Gets the user information for the given UID, returned user info should not be freed.
Definition dbus-userdb.c:705
_dbus_user_database_flush_system
void _dbus_user_database_flush_system(void)
Flushes the system global user database;.
Definition dbus-userdb.c:396
_dbus_get_group_id
dbus_bool_t _dbus_get_group_id(const DBusString *group_name, dbus_gid_t *gid)
Gets group ID given groupname.
Definition dbus-userdb-util.c:145
_dbus_group_info_unref
void _dbus_group_info_unref(DBusGroupInfo *info)
Decrements the reference count.
Definition dbus-userdb.c:87
_dbus_user_database_lookup
const DBusUserInfo * _dbus_user_database_lookup(DBusUserDatabase *db, dbus_uid_t uid, const DBusString *username, DBusError *error)
Looks up a uid or username in the user database.
Definition dbus-userdb.c:160
_dbus_user_info_unref
void _dbus_user_info_unref(DBusUserInfo *info)
Decrements the reference count.
Definition dbus-userdb.c:64
_dbus_username_from_current_process
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_username_from_current_process(const DBusString **username)
Gets username of user owning current process.
Definition dbus-userdb.c:418
_dbus_is_console_user
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_is_console_user(dbus_uid_t uid, DBusError *error)
Checks to see if the UID sent in is the console user.
Definition dbus-userdb-util.c:67
_dbus_user_database_lookup_group
const DBusGroupInfo * _dbus_user_database_lookup_group(DBusUserDatabase *db, dbus_gid_t gid, const DBusString *groupname, DBusError *error)
Looks up a gid or group name in the user database.
Definition dbus-userdb-util.c:233
_dbus_user_database_flush
void _dbus_user_database_flush(DBusUserDatabase *db)
Flush all information out of the user database.
Definition dbus-userdb.c:641
_dbus_groups_from_uid
dbus_bool_t _dbus_groups_from_uid(dbus_uid_t uid, dbus_gid_t **group_ids, int *n_group_ids, DBusError *error)
Gets all groups corresponding to the given UID.
Definition dbus-userdb-util.c:349
_dbus_homedir_from_uid
dbus_bool_t _dbus_homedir_from_uid(dbus_uid_t uid, DBusString *homedir)
Gets the home directory for the given user.
Definition dbus-userdb.c:466
_dbus_get_user_id_and_primary_group
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_get_user_id_and_primary_group(const DBusString *username, dbus_uid_t *uid_p, dbus_gid_t *gid_p)
Gets user ID and primary group given username.
Definition dbus-userdb-util.c:186
_dbus_user_database_get_username
dbus_bool_t _dbus_user_database_get_username(DBusUserDatabase *db, const DBusString *username, const DBusUserInfo **info, DBusError *error)
Gets the user information for the given username.
Definition dbus-userdb.c:724
_dbus_is_a_number
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_is_a_number(const DBusString *str, unsigned long *num)
Checks if a given string is actually a number and converts it if it is.
Definition dbus-userdb.c:135
_dbus_get_user_id
dbus_bool_t _dbus_get_user_id(const DBusString *username, dbus_uid_t *uid)
Gets user ID given username.
Definition dbus-userdb-util.c:131
_dbus_user_database_get_system
DBUS_PRIVATE_EXPORT DBusUserDatabase * _dbus_user_database_get_system(void)
Gets the system global user database; must be called with lock held (_dbus_user_database_lock_system(...
Definition dbus-userdb.c:383
DBUS_BEGIN_DECLS
#define DBUS_BEGIN_DECLS
Macro used prior to declaring functions in the D-Bus header files.
Definition dbus-macros.h:36
DBUS_END_DECLS
#define DBUS_END_DECLS
Macro used after declaring functions in the D-Bus header files.
Definition dbus-macros.h:37
dbus_uid_t
unsigned long dbus_uid_t
A user ID.
Definition dbus-sysdeps.h:141
dbus_gid_t
unsigned long dbus_gid_t
A group ID.
Definition dbus-sysdeps.h:143
dbus_bool_t
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition dbus-types.h:37
DBusError
Object representing an exception.
Definition dbus-errors.h:51
DBusGroupInfo
Information about a UNIX group.
Definition dbus-sysdeps-unix.h:107
DBusHashTable
Internals of DBusHashTable.
Definition dbus-hash.c:175
DBusString
Definition dbus-string.h:47
DBusUserInfo
Information about a UNIX user.
Definition dbus-sysdeps-unix.h:93