dbus-credentials.c
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* dbus-credentials.c Credentials provable through authentication
*
* Copyright (C) 2007 Red Hat Inc.
*
* 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
*
*/
#include <config.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_SYSCALL_H
#include <sys/syscall.h>
#endif
#include "dbus-credentials.h"
#include "dbus-internals.h"
#ifdef DBUS_UNIX
#include "dbus-sysdeps-unix.h"
#endif
struct DBusCredentials {
int refcount;
dbus_uid_t unix_uid;
dbus_gid_t *unix_gids;
size_t n_unix_gids;
dbus_pid_t pid;
int pid_fd;
char *windows_sid;
char *linux_security_label;
void *adt_audit_data;
dbus_int32_t adt_audit_data_size;
};
DBusCredentials*
_dbus_credentials_new (void)
{
DBusCredentials *creds;
creds = dbus_new (DBusCredentials, 1);
if (creds == NULL)
return NULL;
creds->refcount = 1;
creds->unix_uid = DBUS_UID_UNSET;
creds->unix_gids = NULL;
creds->n_unix_gids = 0;
creds->pid = DBUS_PID_UNSET;
creds->pid_fd = -1;
creds->windows_sid = NULL;
creds->linux_security_label = NULL;
creds->adt_audit_data = NULL;
creds->adt_audit_data_size = 0;
return creds;
}
DBusCredentials*
_dbus_credentials_new_from_current_process (void)
{
DBusCredentials *creds;
creds = _dbus_credentials_new ();
if (creds == NULL)
return NULL;
if (!_dbus_credentials_add_from_current_process (creds))
{
_dbus_credentials_unref (creds);
return NULL;
}
return creds;
}
void
_dbus_credentials_ref (DBusCredentials *credentials)
{
_dbus_assert (credentials->refcount > 0);
credentials->refcount += 1;
}
void
_dbus_credentials_unref (DBusCredentials *credentials)
{
_dbus_assert (credentials->refcount > 0);
credentials->refcount -= 1;
if (credentials->refcount == 0)
{
dbus_free (credentials->unix_gids);
dbus_free (credentials->windows_sid);
dbus_free (credentials->linux_security_label);
dbus_free (credentials->adt_audit_data);
#ifdef DBUS_UNIX
if (credentials->pid_fd >= 0)
{
close (credentials->pid_fd);
credentials->pid_fd = -1;
}
#endif
dbus_free (credentials);
}
}
dbus_bool_t
_dbus_credentials_add_pid (DBusCredentials *credentials,
dbus_pid_t pid)
{
credentials->pid = pid;
return TRUE;
}
#ifndef DBUS_UNIX
_DBUS_GNUC_NORETURN
#endif
void
_dbus_credentials_take_pid_fd (DBusCredentials *credentials,
int pid_fd)
{
#ifdef DBUS_UNIX
if (credentials->pid_fd >= 0)
close (credentials->pid_fd);
credentials->pid_fd = pid_fd;
#else
_dbus_assert_not_reached ("pidfd never set on non-Unix");
#endif
}
dbus_bool_t
_dbus_credentials_add_unix_uid(DBusCredentials *credentials,
dbus_uid_t uid)
{
credentials->unix_uid = uid;
return TRUE;
}
static int
cmp_gidp (const void *a_, const void *b_)
{
const dbus_gid_t *a = a_;
const dbus_gid_t *b = b_;
if (*a < *b)
return -1;
if (*a > *b)
return 1;
return 0;
}
void
_dbus_credentials_take_unix_gids (DBusCredentials *credentials,
dbus_gid_t *gids,
size_t n_gids)
{
/* So we can compare arrays via a simple memcmp */
qsort (gids, n_gids, sizeof (dbus_gid_t), cmp_gidp);
dbus_free (credentials->unix_gids);
credentials->unix_gids = gids;
credentials->n_unix_gids = n_gids;
}
dbus_bool_t
_dbus_credentials_get_unix_gids (DBusCredentials *credentials,
const dbus_gid_t **gids,
size_t *n_gids)
{
if (gids != NULL)
*gids = credentials->unix_gids;
if (n_gids != NULL)
*n_gids = credentials->n_unix_gids;
return (credentials->unix_gids != NULL);
}
dbus_bool_t
_dbus_credentials_add_windows_sid (DBusCredentials *credentials,
const char *windows_sid)
{
char *copy;
copy = _dbus_strdup (windows_sid);
if (copy == NULL)
return FALSE;
dbus_free (credentials->windows_sid);
credentials->windows_sid = copy;
return TRUE;
}
dbus_bool_t
_dbus_credentials_add_linux_security_label (DBusCredentials *credentials,
const char *label)
{
char *copy;
copy = _dbus_strdup (label);
if (copy == NULL)
return FALSE;
dbus_free (credentials->linux_security_label);
credentials->linux_security_label = copy;
return TRUE;
}
dbus_bool_t
_dbus_credentials_add_adt_audit_data (DBusCredentials *credentials,
void *audit_data,
dbus_int32_t size)
{
void *copy;
copy = _dbus_memdup (audit_data, size);
if (copy == NULL)
return FALSE;
dbus_free (credentials->adt_audit_data);
credentials->adt_audit_data = copy;
credentials->adt_audit_data_size = size;
return TRUE;
}
dbus_bool_t
_dbus_credentials_include (DBusCredentials *credentials,
DBusCredentialType type)
{
switch (type)
{
case DBUS_CREDENTIAL_UNIX_PROCESS_ID:
return credentials->pid != DBUS_PID_UNSET ||
credentials->pid_fd >= 0;
case DBUS_CREDENTIAL_UNIX_PROCESS_FD:
return credentials->pid_fd >= 0;
case DBUS_CREDENTIAL_UNIX_USER_ID:
return credentials->unix_uid != DBUS_UID_UNSET;
case DBUS_CREDENTIAL_UNIX_GROUP_IDS:
return credentials->unix_gids != NULL;
case DBUS_CREDENTIAL_WINDOWS_SID:
return credentials->windows_sid != NULL;
case DBUS_CREDENTIAL_LINUX_SECURITY_LABEL:
return credentials->linux_security_label != NULL;
case DBUS_CREDENTIAL_ADT_AUDIT_DATA_ID:
return credentials->adt_audit_data != NULL;
default:
_dbus_assert_not_reached ("Unknown credential enum value");
return FALSE;
}
}
dbus_pid_t
_dbus_credentials_get_pid (DBusCredentials *credentials)
{
#ifdef DBUS_UNIX
dbus_pid_t pid;
if (credentials->pid_fd >= 0)
{
pid = _dbus_resolve_pid_fd (credentials->pid_fd);
if (pid > 0)
return pid;
}
#endif
return credentials->pid;
}
int
_dbus_credentials_get_pid_fd (DBusCredentials *credentials)
{
return credentials->pid_fd;
}
dbus_uid_t
_dbus_credentials_get_unix_uid (DBusCredentials *credentials)
{
return credentials->unix_uid;
}
const char*
_dbus_credentials_get_windows_sid (DBusCredentials *credentials)
{
return credentials->windows_sid;
}
const char *
_dbus_credentials_get_linux_security_label (DBusCredentials *credentials)
{
return credentials->linux_security_label;
}
void *
_dbus_credentials_get_adt_audit_data (DBusCredentials *credentials)
{
return credentials->adt_audit_data;
}
dbus_int32_t
_dbus_credentials_get_adt_audit_data_size (DBusCredentials *credentials)
{
return credentials->adt_audit_data_size;
}
dbus_bool_t
_dbus_credentials_are_superset (DBusCredentials *credentials,
DBusCredentials *possible_subset)
{
return
(possible_subset->pid == DBUS_PID_UNSET ||
possible_subset->pid == credentials->pid) &&
(possible_subset->unix_uid == DBUS_UID_UNSET ||
possible_subset->unix_uid == credentials->unix_uid) &&
(possible_subset->unix_gids == NULL ||
(possible_subset->n_unix_gids == credentials->n_unix_gids &&
memcmp (possible_subset->unix_gids, credentials->unix_gids,
sizeof (dbus_gid_t) * credentials->n_unix_gids) == 0)) &&
(possible_subset->windows_sid == NULL ||
(credentials->windows_sid && strcmp (possible_subset->windows_sid,
credentials->windows_sid) == 0)) &&
(possible_subset->linux_security_label == NULL ||
(credentials->linux_security_label != NULL &&
strcmp (possible_subset->linux_security_label,
credentials->linux_security_label) == 0)) &&
(possible_subset->adt_audit_data == NULL ||
(credentials->adt_audit_data && memcmp (possible_subset->adt_audit_data,
credentials->adt_audit_data,
credentials->adt_audit_data_size) == 0));
}
dbus_bool_t
_dbus_credentials_are_empty (DBusCredentials *credentials)
{
return
credentials->pid == DBUS_PID_UNSET &&
credentials->pid_fd == -1 &&
credentials->unix_uid == DBUS_UID_UNSET &&
credentials->unix_gids == NULL &&
credentials->n_unix_gids == 0 &&
credentials->windows_sid == NULL &&
credentials->linux_security_label == NULL &&
credentials->adt_audit_data == NULL;
}
dbus_bool_t
_dbus_credentials_are_anonymous (DBusCredentials *credentials)
{
return
credentials->unix_uid == DBUS_UID_UNSET &&
credentials->windows_sid == NULL;
}
dbus_bool_t
_dbus_credentials_add_credentials (DBusCredentials *credentials,
DBusCredentials *other_credentials)
{
return
_dbus_credentials_add_credential (credentials,
DBUS_CREDENTIAL_UNIX_PROCESS_FD,
other_credentials) &&
_dbus_credentials_add_credential (credentials,
DBUS_CREDENTIAL_UNIX_PROCESS_ID,
other_credentials) &&
_dbus_credentials_add_credential (credentials,
DBUS_CREDENTIAL_UNIX_USER_ID,
other_credentials) &&
_dbus_credentials_add_credential (credentials,
DBUS_CREDENTIAL_UNIX_GROUP_IDS,
other_credentials) &&
_dbus_credentials_add_credential (credentials,
DBUS_CREDENTIAL_ADT_AUDIT_DATA_ID,
other_credentials) &&
_dbus_credentials_add_credential (credentials,
DBUS_CREDENTIAL_LINUX_SECURITY_LABEL,
other_credentials) &&
_dbus_credentials_add_credential (credentials,
DBUS_CREDENTIAL_WINDOWS_SID,
other_credentials);
}
dbus_bool_t
_dbus_credentials_add_credential (DBusCredentials *credentials,
DBusCredentialType which,
DBusCredentials *other_credentials)
{
if (which == DBUS_CREDENTIAL_UNIX_PROCESS_ID &&
other_credentials->pid != DBUS_PID_UNSET)
{
if (!_dbus_credentials_add_pid (credentials, other_credentials->pid))
return FALSE;
}
else if (which == DBUS_CREDENTIAL_UNIX_USER_ID &&
other_credentials->unix_uid != DBUS_UID_UNSET)
{
if (!_dbus_credentials_add_unix_uid (credentials, other_credentials->unix_uid))
return FALSE;
}
else if (which == DBUS_CREDENTIAL_UNIX_GROUP_IDS &&
other_credentials->unix_gids != NULL)
{
dbus_gid_t *gids;
gids = dbus_new (dbus_gid_t, other_credentials->n_unix_gids);
if (gids == NULL)
return FALSE;
memcpy (gids, other_credentials->unix_gids,
sizeof (dbus_gid_t) * other_credentials->n_unix_gids);
_dbus_credentials_take_unix_gids (credentials, gids,
other_credentials->n_unix_gids);
}
else if (which == DBUS_CREDENTIAL_WINDOWS_SID &&
other_credentials->windows_sid != NULL)
{
if (!_dbus_credentials_add_windows_sid (credentials, other_credentials->windows_sid))
return FALSE;
}
else if (which == DBUS_CREDENTIAL_LINUX_SECURITY_LABEL &&
other_credentials->linux_security_label != NULL)
{
if (!_dbus_credentials_add_linux_security_label (credentials,
other_credentials->linux_security_label))
return FALSE;
}
else if (which == DBUS_CREDENTIAL_ADT_AUDIT_DATA_ID &&
other_credentials->adt_audit_data != NULL)
{
if (!_dbus_credentials_add_adt_audit_data (credentials, other_credentials->adt_audit_data, other_credentials->adt_audit_data_size))
return FALSE;
}
/* _dbus_dup() is only available on UNIX platforms. */
#ifdef DBUS_UNIX
else if (which == DBUS_CREDENTIAL_UNIX_PROCESS_FD &&
other_credentials->pid_fd >= 0)
{
int pid_fd = _dbus_dup (other_credentials->pid_fd, NULL);
if (pid_fd < 0)
return FALSE;
_dbus_credentials_take_pid_fd (credentials, pid_fd);
}
#endif
return TRUE;
}
void
_dbus_credentials_clear (DBusCredentials *credentials)
{
credentials->pid = DBUS_PID_UNSET;
#ifdef DBUS_UNIX
if (credentials->pid_fd >= 0)
{
close (credentials->pid_fd);
credentials->pid_fd = -1;
}
#endif
credentials->unix_uid = DBUS_UID_UNSET;
dbus_free (credentials->unix_gids);
credentials->unix_gids = NULL;
credentials->n_unix_gids = 0;
dbus_free (credentials->windows_sid);
credentials->windows_sid = NULL;
dbus_free (credentials->linux_security_label);
credentials->linux_security_label = NULL;
dbus_free (credentials->adt_audit_data);
credentials->adt_audit_data = NULL;
credentials->adt_audit_data_size = 0;
}
DBusCredentials*
_dbus_credentials_copy (DBusCredentials *credentials)
{
DBusCredentials *copy;
copy = _dbus_credentials_new ();
if (copy == NULL)
return NULL;
if (!_dbus_credentials_add_credentials (copy, credentials))
{
_dbus_credentials_unref (copy);
return NULL;
}
return copy;
}
dbus_bool_t
_dbus_credentials_same_user (DBusCredentials *credentials,
DBusCredentials *other_credentials)
{
/* both windows and unix user must be the same (though pretty much
* in all conceivable cases, one will be unset)
*/
return credentials->unix_uid == other_credentials->unix_uid &&
((!(credentials->windows_sid || other_credentials->windows_sid)) ||
(credentials->windows_sid && other_credentials->windows_sid &&
strcmp (credentials->windows_sid, other_credentials->windows_sid) == 0));
}
dbus_bool_t
_dbus_credentials_to_string_append (DBusCredentials *credentials,
DBusString *string)
{
dbus_bool_t join;
join = FALSE;
if (credentials->unix_uid != DBUS_UID_UNSET)
{
if (!_dbus_string_append_printf (string, "uid=" DBUS_UID_FORMAT, credentials->unix_uid))
goto oom;
join = TRUE;
}
if (credentials->pid != DBUS_PID_UNSET || credentials->pid_fd >= 0)
{
if (!_dbus_string_append_printf (string,
"%spid=" DBUS_PID_FORMAT,
join ? " " : "",
_dbus_credentials_get_pid (credentials)))
goto oom;
join = TRUE;
}
if (credentials->unix_gids != NULL)
{
size_t i;
for (i = 0; i < credentials->n_unix_gids; i++)
{
if (!_dbus_string_append_printf (string, "%sgid=" DBUS_GID_FORMAT,
join ? " " : "",
credentials->unix_gids[i]))
goto oom;
join = TRUE;
}
}
if (credentials->windows_sid != NULL)
{
if (!_dbus_string_append_printf (string, "%ssid=%s", join ? " " : "", credentials->windows_sid))
goto oom;
join = TRUE;
}
if (credentials->linux_security_label != NULL)
{
if (!_dbus_string_append_printf (string, "%slsm='%s'",
join ? " " : "",
credentials->linux_security_label))
goto oom;
join = TRUE;
}
if (credentials->pid_fd >= 0)
{
if (!_dbus_string_append_printf (string, "%spidfd=%d", join ? " " : "", credentials->pid_fd))
goto oom;
join = TRUE;
}
return TRUE;
oom:
return FALSE;
}
/* tests in dbus-credentials-util.c */
_dbus_credentials_ref
void _dbus_credentials_ref(DBusCredentials *credentials)
Increment refcount on credentials.
Definition dbus-credentials.c:136
_dbus_credentials_include
dbus_bool_t _dbus_credentials_include(DBusCredentials *credentials, DBusCredentialType type)
Checks whether the given credential is present.
Definition dbus-credentials.c:365
_dbus_credentials_are_superset
dbus_bool_t _dbus_credentials_are_superset(DBusCredentials *credentials, DBusCredentials *possible_subset)
Checks whether the first credentials object contains all the credentials found in the second credenti...
Definition dbus-credentials.c:506
_dbus_credentials_same_user
dbus_bool_t _dbus_credentials_same_user(DBusCredentials *credentials, DBusCredentials *other_credentials)
Check whether the user-identifying credentials in two credentials objects are identical.
Definition dbus-credentials.c:747
_dbus_credentials_clear
void _dbus_credentials_clear(DBusCredentials *credentials)
Clear all credentials in the object.
Definition dbus-credentials.c:688
_dbus_credentials_get_unix_uid
dbus_uid_t _dbus_credentials_get_unix_uid(DBusCredentials *credentials)
Gets the UNIX user ID in the credentials, or DBUS_UID_UNSET if the credentials object doesn't contain...
Definition dbus-credentials.c:440
_dbus_credentials_copy
DBusCredentials * _dbus_credentials_copy(DBusCredentials *credentials)
Copy a credentials object.
Definition dbus-credentials.c:718
_dbus_credentials_new_from_current_process
DBusCredentials * _dbus_credentials_new_from_current_process(void)
Creates a new object with the most important credentials (user ID and process ID) from the current pr...
Definition dbus-credentials.c:113
_dbus_credentials_to_string_append
dbus_bool_t _dbus_credentials_to_string_append(DBusCredentials *credentials, DBusString *string)
Convert the credentials in this object to a human-readable string format, and append to the given str...
Definition dbus-credentials.c:768
_dbus_credentials_new
DBusCredentials * _dbus_credentials_new(void)
Creates a new credentials object.
Definition dbus-credentials.c:86
_dbus_credentials_get_adt_audit_data
void * _dbus_credentials_get_adt_audit_data(DBusCredentials *credentials)
Gets the ADT audit data in the credentials, or NULL if the credentials object doesn't contain ADT aud...
Definition dbus-credentials.c:479
_dbus_credentials_take_pid_fd
_DBUS_GNUC_NORETURN void _dbus_credentials_take_pid_fd(DBusCredentials *credentials, int pid_fd)
Add a UNIX process ID FD to the credentials.
Definition dbus-credentials.c:200
_dbus_credentials_add_linux_security_label
dbus_bool_t _dbus_credentials_add_linux_security_label(DBusCredentials *credentials, const char *label)
Add a Linux security label, as used by LSMs such as SELinux, Smack and AppArmor, to the credentials.
Definition dbus-credentials.c:317
_dbus_credentials_add_credentials
dbus_bool_t _dbus_credentials_add_credentials(DBusCredentials *credentials, DBusCredentials *other_credentials)
Merge all credentials found in the second object into the first object, overwriting the first object ...
Definition dbus-credentials.c:574
_dbus_credentials_get_linux_security_label
const char * _dbus_credentials_get_linux_security_label(DBusCredentials *credentials)
Gets the Linux security label (as used by LSMs) from the credentials, or NULL if the credentials obje...
Definition dbus-credentials.c:466
_dbus_credentials_take_unix_gids
void _dbus_credentials_take_unix_gids(DBusCredentials *credentials, dbus_gid_t *gids, size_t n_gids)
Add UNIX group IDs to the credentials, replacing any group IDs that might already have been present.
Definition dbus-credentials.c:252
_dbus_credentials_unref
void _dbus_credentials_unref(DBusCredentials *credentials)
Decrement refcount on credentials.
Definition dbus-credentials.c:148
_dbus_credentials_get_unix_gids
dbus_bool_t _dbus_credentials_get_unix_gids(DBusCredentials *credentials, const dbus_gid_t **gids, size_t *n_gids)
Get the Unix group IDs.
Definition dbus-credentials.c:272
_dbus_credentials_are_empty
dbus_bool_t _dbus_credentials_are_empty(DBusCredentials *credentials)
Checks whether a credentials object contains anything.
Definition dbus-credentials.c:538
_dbus_credentials_add_unix_uid
dbus_bool_t _dbus_credentials_add_unix_uid(DBusCredentials *credentials, dbus_uid_t uid)
Add a UNIX user ID to the credentials.
Definition dbus-credentials.c:220
_dbus_credentials_add_windows_sid
dbus_bool_t _dbus_credentials_add_windows_sid(DBusCredentials *credentials, const char *windows_sid)
Add a Windows user SID to the credentials.
Definition dbus-credentials.c:293
_dbus_credentials_add_pid
dbus_bool_t _dbus_credentials_add_pid(DBusCredentials *credentials, dbus_pid_t pid)
Add a UNIX process ID to the credentials.
Definition dbus-credentials.c:181
_dbus_credentials_get_pid
dbus_pid_t _dbus_credentials_get_pid(DBusCredentials *credentials)
Gets the UNIX process ID in the credentials, or DBUS_PID_UNSET if the credentials object doesn't cont...
Definition dbus-credentials.c:401
_dbus_credentials_add_adt_audit_data
dbus_bool_t _dbus_credentials_add_adt_audit_data(DBusCredentials *credentials, void *audit_data, dbus_int32_t size)
Add ADT audit data to the credentials.
Definition dbus-credentials.c:341
_dbus_credentials_get_adt_audit_data_size
dbus_int32_t _dbus_credentials_get_adt_audit_data_size(DBusCredentials *credentials)
Gets the ADT audit data size in the credentials, or 0 if the credentials object doesn't contain ADT a...
Definition dbus-credentials.c:492
_dbus_credentials_get_windows_sid
const char * _dbus_credentials_get_windows_sid(DBusCredentials *credentials)
Gets the Windows user SID in the credentials, or NULL if the credentials object doesn't contain a Win...
Definition dbus-credentials.c:453
_dbus_credentials_add_credential
dbus_bool_t _dbus_credentials_add_credential(DBusCredentials *credentials, DBusCredentialType which, DBusCredentials *other_credentials)
Merge the given credential found in the second object into the first object, overwriting the first ob...
Definition dbus-credentials.c:614
_dbus_credentials_are_anonymous
dbus_bool_t _dbus_credentials_are_anonymous(DBusCredentials *credentials)
Checks whether a credentials object contains a user identity.
Definition dbus-credentials.c:558
_dbus_credentials_get_pid_fd
int _dbus_credentials_get_pid_fd(DBusCredentials *credentials)
Gets the UNIX process ID FD in the credentials as obtained by 'safe' means (e.g.: Linux's SO_PEERPIDF...
Definition dbus-credentials.c:427
_dbus_assert_not_reached
#define _dbus_assert_not_reached(explanation)
Aborts with an error message if called.
Definition dbus-internals.h:164
_dbus_assert
#define _dbus_assert(condition)
Aborts with an error message if the condition is false.
Definition dbus-internals.h:153
_dbus_strdup
char * _dbus_strdup(const char *str)
Duplicates a string.
Definition dbus-internals.c:621
_dbus_memdup
void * _dbus_memdup(const void *mem, size_t n_bytes)
Duplicates a block of memory.
Definition dbus-internals.c:649
NULL
#define NULL
A null pointer, defined appropriately for C or C++.
Definition dbus-macros.h:51
TRUE
#define TRUE
Expands to "1".
Definition dbus-macros.h:41
FALSE
#define FALSE
Expands to "0".
Definition dbus-macros.h:44
dbus_free
void dbus_free(void *memory)
Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().
Definition dbus-memory.c:710
dbus_new
#define dbus_new(type, count)
Safe macro for using dbus_malloc().
Definition dbus-memory.h:59
_dbus_string_append_printf
dbus_bool_t _dbus_string_append_printf(DBusString *str, const char *format,...)
Appends a printf-style formatted string to the DBusString.
Definition dbus-string.c:1147
_dbus_dup
int _dbus_dup(int fd, DBusError *error)
Duplicates a file descriptor.
Definition dbus-sysdeps-unix.c:3755
dbus_uid_t
unsigned long dbus_uid_t
A user ID.
Definition dbus-sysdeps.h:141
dbus_pid_t
unsigned long dbus_pid_t
A process ID.
Definition dbus-sysdeps.h:139
dbus_gid_t
unsigned long dbus_gid_t
A group ID.
Definition dbus-sysdeps.h:143
DBUS_UID_UNSET
#define DBUS_UID_UNSET
an invalid UID used to represent an uninitialized dbus_uid_t field
Definition dbus-sysdeps.h:148
DBUS_PID_UNSET
#define DBUS_PID_UNSET
an invalid PID used to represent an uninitialized dbus_pid_t field
Definition dbus-sysdeps.h:146
_dbus_resolve_pid_fd
dbus_pid_t _dbus_resolve_pid_fd(int pid_fd)
Resolve the PID from the PID FD, if any.
Definition dbus-sysdeps-unix.c:3045
_dbus_credentials_add_from_current_process
dbus_bool_t _dbus_credentials_add_from_current_process(DBusCredentials *credentials)
Adds the most important credentials of the current process (the uid and pid) to the passed-in credent...
Definition dbus-sysdeps-unix.c:3005
DBUS_GID_FORMAT
#define DBUS_GID_FORMAT
an appropriate printf format for dbus_gid_t
Definition dbus-sysdeps.h:157
DBUS_UID_FORMAT
#define DBUS_UID_FORMAT
an appropriate printf format for dbus_uid_t
Definition dbus-sysdeps.h:155
DBUS_PID_FORMAT
#define DBUS_PID_FORMAT
an appropriate printf format for dbus_pid_t
Definition dbus-sysdeps.h:153
dbus_int32_t
int dbus_int32_t
A 32-bit signed integer on all platforms.
Definition dbus-arch-deps.h:44
dbus_bool_t
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition dbus-types.h:37
DBusCredentials
Definition dbus-credentials.c:60
DBusString
Definition dbus-string.h:47