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Merge branch 'issue1831' into 'master'

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Avoid race condition authenticating GDBusServer with libdbus client (#1831)

Closes #1831

See merge request GNOME/glib!1176
This commit is contained in:
Philip Withnall 2019-10-28 20:44:30 +00:00
commit d44e00fb98
5 changed files with 641 additions and 6 deletions
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42
gio/gcredentials.c
View File

@ -265,6 +265,35 @@ g_credentials_to_string (GCredentials *credentials)
/* ---------------------------------------------------------------------------------------------------- */
#if G_CREDENTIALS_USE_LINUX_UCRED
/*
* Check whether @native contains invalid data. If getsockopt SO_PEERCRED
* is used on a TCP socket, it succeeds but yields a credentials structure
* with pid 0, uid -1 and gid -1. Similarly, if SO_PASSCRED is used on a
* receiving Unix socket when the sending socket did not also enable
* SO_PASSCRED, it can succeed but yield a credentials structure with
* pid 0, uid /proc/sys/kernel/overflowuid and gid
* /proc/sys/kernel/overflowgid.
*/
static gboolean
linux_ucred_check_valid (struct ucred *native,
GError **error)
{
if (native->pid == 0
|| native->uid == -1
|| native->gid == -1)
{
g_set_error_literal (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
_("GCredentials contains invalid data"));
return FALSE;
}
return TRUE;
}
#endif
/**
* g_credentials_is_same_user:
* @credentials: A #GCredentials.
@ -294,7 +323,8 @@ g_credentials_is_same_user (GCredentials *credentials,
ret = FALSE;
#if G_CREDENTIALS_USE_LINUX_UCRED
if (credentials->native.uid == other_credentials->native.uid)
if (linux_ucred_check_valid (&credentials->native, NULL)
&& credentials->native.uid == other_credentials->native.uid)
ret = TRUE;
#elif G_CREDENTIALS_USE_FREEBSD_CMSGCRED
if (credentials->native.cmcred_euid == other_credentials->native.cmcred_euid)
@ -453,7 +483,10 @@ g_credentials_get_unix_user (GCredentials *credentials,
g_return_val_if_fail (error == NULL || *error == NULL, -1);
#if G_CREDENTIALS_USE_LINUX_UCRED
ret = credentials->native.uid;
if (linux_ucred_check_valid (&credentials->native, error))
ret = credentials->native.uid;
else
ret = -1;
#elif G_CREDENTIALS_USE_FREEBSD_CMSGCRED
ret = credentials->native.cmcred_euid;
#elif G_CREDENTIALS_USE_NETBSD_UNPCBID
@ -499,7 +532,10 @@ g_credentials_get_unix_pid (GCredentials *credentials,
g_return_val_if_fail (error == NULL || *error == NULL, -1);
#if G_CREDENTIALS_USE_LINUX_UCRED
ret = credentials->native.pid;
if (linux_ucred_check_valid (&credentials->native, error))
ret = credentials->native.pid;
else
ret = -1;
#elif G_CREDENTIALS_USE_FREEBSD_CMSGCRED
ret = credentials->native.cmcred_pid;
#elif G_CREDENTIALS_USE_NETBSD_UNPCBID

77
gio/gcredentialsprivate.h
View File

@ -22,6 +22,77 @@
#include "gio/gcredentials.h"
#include "gio/gnetworking.h"
/*
* G_CREDENTIALS_SUPPORTED:
*
* Defined to 1 if GCredentials works.
*/
#undef G_CREDENTIALS_SUPPORTED
/*
* G_CREDENTIALS_USE_LINUX_UCRED, etc.:
*
* Defined to 1 if GCredentials uses Linux `struct ucred`, etc.
*/
#undef G_CREDENTIALS_USE_LINUX_UCRED
#undef G_CREDENTIALS_USE_FREEBSD_CMSGCRED
#undef G_CREDENTIALS_USE_NETBSD_UNPCBID
#undef G_CREDENTIALS_USE_OPENBSD_SOCKPEERCRED
#undef G_CREDENTIALS_USE_SOLARIS_UCRED
/*
* G_CREDENTIALS_NATIVE_TYPE:
*
* Defined to one of G_CREDENTIALS_TYPE_LINUX_UCRED, etc.
*/
#undef G_CREDENTIALS_NATIVE_TYPE
/*
* G_CREDENTIALS_NATIVE_SIZE:
*
* Defined to the size of the %G_CREDENTIALS_NATIVE_TYPE
*/
#undef G_CREDENTIALS_NATIVE_SIZE
/*
* G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED:
*
* Defined to 1 if we have a message-passing API in which credentials
* are attached to a particular message, such as `SCM_CREDENTIALS` on Linux
* or `SCM_CREDS` on FreeBSD.
*/
#undef G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED
/*
* G_CREDENTIALS_SOCKET_GET_CREDENTIALS_SUPPORTED:
*
* Defined to 1 if we have a `getsockopt()`-style API in which one end of
* a socket connection can directly query the credentials of the process
* that initiated the other end, such as `getsockopt SO_PEERCRED` on Linux
* or `getpeereid()` on multiple operating systems.
*/
#undef G_CREDENTIALS_SOCKET_GET_CREDENTIALS_SUPPORTED
/*
* G_CREDENTIALS_SPOOFING_SUPPORTED:
*
* Defined to 1 if privileged processes can spoof their credentials when
* using the message-passing API.
*/
#undef G_CREDENTIALS_SPOOFING_SUPPORTED
/*
* G_CREDENTIALS_PREFER_MESSAGE_PASSING:
*
* Defined to 1 if the data structure transferred by the message-passing
* API is strictly more informative than the one transferred by the
* `getsockopt()`-style API, and hence should be preferred, even for
* protocols like D-Bus that are defined in terms of the credentials of
* the (process that opened the) socket, as opposed to the credentials
* of an individual message.
*/
#undef G_CREDENTIALS_PREFER_MESSAGE_PASSING
#ifdef __linux__
#define G_CREDENTIALS_SUPPORTED 1
#define G_CREDENTIALS_USE_LINUX_UCRED 1
@ -41,6 +112,12 @@
#define G_CREDENTIALS_NATIVE_SIZE (sizeof (struct cmsgcred))
#define G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED 1
#define G_CREDENTIALS_SPOOFING_SUPPORTED 1
/* GLib doesn't implement it yet, but FreeBSD's getsockopt()-style API
* is getpeereid(), which is not as informative as struct cmsgcred -
* it does not tell us the PID. As a result, libdbus prefers to use
* SCM_CREDS, and if we implement getpeereid() in future, we should
* do the same. */
#define G_CREDENTIALS_PREFER_MESSAGE_PASSING 1
#elif defined(__NetBSD__)
#define G_CREDENTIALS_SUPPORTED 1

27
gio/gdbusauth.c
View File

@ -31,6 +31,7 @@
#include "gdbusutils.h"
#include "gioenumtypes.h"
#include "gcredentials.h"
#include "gcredentialsprivate.h"
#include "gdbusprivate.h"
#include "giostream.h"
#include "gdatainputstream.h"
@ -969,9 +970,31 @@ _g_dbus_auth_run_server (GDBusAuth *auth,
g_data_input_stream_set_newline_type (dis, G_DATA_STREAM_NEWLINE_TYPE_CR_LF);
/* first read the NUL-byte */
/* read the NUL-byte, possibly with credentials attached */
#ifdef G_OS_UNIX
if (G_IS_UNIX_CONNECTION (auth->priv->stream))
#ifndef G_CREDENTIALS_PREFER_MESSAGE_PASSING
if (G_IS_SOCKET_CONNECTION (auth->priv->stream))
{
GSocket *sock = g_socket_connection_get_socket (G_SOCKET_CONNECTION (auth->priv->stream));
local_error = NULL;
credentials = g_socket_get_credentials (sock, &local_error);
if (credentials == NULL && !g_error_matches (local_error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED))
{
g_propagate_error (error, local_error);
goto out;
}
else
{
/* Clear the error indicator, so we can retry with
* g_unix_connection_receive_credentials() if necessary */
g_clear_error (&local_error);
}
}
#endif
if (credentials == NULL && G_IS_UNIX_CONNECTION (auth->priv->stream))
{
local_error = NULL;
credentials = g_unix_connection_receive_credentials (G_UNIX_CONNECTION (auth->priv->stream),

491
gio/tests/gdbus-server-auth.c Normal file
View File

@ -0,0 +1,491 @@
/*
* Copyright 2019 Collabora Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gio/gio.h>
#ifdef HAVE_DBUS1
#include <dbus/dbus.h>
#endif
typedef enum
{
INTEROP_FLAGS_EXTERNAL = (1 << 0),
INTEROP_FLAGS_ANONYMOUS = (1 << 1),
INTEROP_FLAGS_SHA1 = (1 << 2),
INTEROP_FLAGS_TCP = (1 << 3),
INTEROP_FLAGS_LIBDBUS = (1 << 4),
INTEROP_FLAGS_NONE = 0
} InteropFlags;
static gboolean
allow_external_cb (G_GNUC_UNUSED GDBusAuthObserver *observer,
const char *mechanism,
G_GNUC_UNUSED gpointer user_data)
{
if (g_strcmp0 (mechanism, "EXTERNAL") == 0)
{
g_debug ("Accepting EXTERNAL authentication");
return TRUE;
}
else
{
g_debug ("Rejecting \"%s\" authentication: not EXTERNAL", mechanism);
return FALSE;
}
}
static gboolean
allow_anonymous_cb (G_GNUC_UNUSED GDBusAuthObserver *observer,
const char *mechanism,
G_GNUC_UNUSED gpointer user_data)
{
if (g_strcmp0 (mechanism, "ANONYMOUS") == 0)
{
g_debug ("Accepting ANONYMOUS authentication");
return TRUE;
}
else
{
g_debug ("Rejecting \"%s\" authentication: not ANONYMOUS", mechanism);
return FALSE;
}
}
static gboolean
allow_sha1_cb (G_GNUC_UNUSED GDBusAuthObserver *observer,
const char *mechanism,
G_GNUC_UNUSED gpointer user_data)
{
if (g_strcmp0 (mechanism, "DBUS_COOKIE_SHA1") == 0)
{
g_debug ("Accepting DBUS_COOKIE_SHA1 authentication");
return TRUE;
}
else
{
g_debug ("Rejecting \"%s\" authentication: not DBUS_COOKIE_SHA1",
mechanism);
return FALSE;
}
}
static gboolean
allow_any_mechanism_cb (G_GNUC_UNUSED GDBusAuthObserver *observer,
const char *mechanism,
G_GNUC_UNUSED gpointer user_data)
{
g_debug ("Accepting \"%s\" authentication", mechanism);
return TRUE;
}
static gboolean
authorize_any_authenticated_peer_cb (G_GNUC_UNUSED GDBusAuthObserver *observer,
G_GNUC_UNUSED GIOStream *stream,
GCredentials *credentials,
G_GNUC_UNUSED gpointer user_data)
{
if (credentials == NULL)
{
g_debug ("Authorizing peer with no credentials");
}
else
{
gchar *str = g_credentials_to_string (credentials);
g_debug ("Authorizing peer with credentials: %s", str);
g_free (str);
}
return TRUE;
}
static GDBusMessage *
whoami_filter_cb (GDBusConnection *connection,
GDBusMessage *message,
gboolean incoming,
G_GNUC_UNUSED gpointer user_data)
{
if (!incoming)
return message;
if (g_dbus_message_get_message_type (message) == G_DBUS_MESSAGE_TYPE_METHOD_CALL &&
g_strcmp0 (g_dbus_message_get_member (message), "WhoAmI") == 0)
{
GDBusMessage *reply = g_dbus_message_new_method_reply (message);
gint64 uid = -1;
gint64 pid = -1;
#ifdef G_OS_UNIX
GCredentials *credentials = g_dbus_connection_get_peer_credentials (connection);
if (credentials != NULL)
{
uid = (gint64) g_credentials_get_unix_user (credentials, NULL);
pid = (gint64) g_credentials_get_unix_pid (credentials, NULL);
}
#endif
g_dbus_message_set_body (reply,
g_variant_new ("(xx)", uid, pid));
g_dbus_connection_send_message (connection, reply,
G_DBUS_SEND_MESSAGE_FLAGS_NONE,
NULL, NULL);
/* handled */
g_object_unref (message);
return NULL;
}
return message;
}
static gboolean
new_connection_cb (G_GNUC_UNUSED GDBusServer *server,
GDBusConnection *connection,
G_GNUC_UNUSED gpointer user_data)
{
GCredentials *credentials = g_dbus_connection_get_peer_credentials (connection);
if (credentials == NULL)
{
g_debug ("New connection from peer with no credentials");
}
else
{
gchar *str = g_credentials_to_string (credentials);
g_debug ("New connection from peer with credentials: %s", str);
g_free (str);
}
g_object_ref (connection);
g_dbus_connection_add_filter (connection, whoami_filter_cb, NULL, NULL);
return TRUE;
}
#ifdef HAVE_DBUS1
typedef struct
{
DBusError error;
DBusConnection *conn;
DBusMessage *call;
DBusMessage *reply;
} LibdbusCall;
static void
libdbus_call_task_cb (GTask *task,
G_GNUC_UNUSED gpointer source_object,
gpointer task_data,
G_GNUC_UNUSED GCancellable *cancellable)
{
LibdbusCall *libdbus_call = task_data;
libdbus_call->reply = dbus_connection_send_with_reply_and_block (libdbus_call->conn,
libdbus_call->call,
-1,
&libdbus_call->error);
}
#endif /* HAVE_DBUS1 */
static void
store_result_cb (G_GNUC_UNUSED GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
GAsyncResult **result = user_data;
g_assert_nonnull (result);
g_assert_null (*result);
*result = g_object_ref (res);
}
static void
assert_expected_uid_pid (InteropFlags flags,
gint64 uid,
gint64 pid)
{
#ifdef G_OS_UNIX
if (flags & (INTEROP_FLAGS_ANONYMOUS | INTEROP_FLAGS_SHA1 | INTEROP_FLAGS_TCP))
{
/* No assertion. There is no guarantee whether credentials will be
* passed even though we didn't send them. Conversely, if
* credentials were not passed,
* g_dbus_connection_get_peer_credentials() always returns the
* credentials of the socket, and not the uid that a
* client might have proved it has by using DBUS_COOKIE_SHA1. */
}
else /* We should prefer EXTERNAL whenever it is allowed. */
{
#ifdef __linux__
/* We know that both GDBus and libdbus support full credentials-passing
* on Linux. */
g_assert_cmpint (uid, ==, getuid ());
g_assert_cmpint (pid, ==, getpid ());
#else
g_test_message ("Please open a merge request to add appropriate "
"assertions for your platform");
#endif
}
#endif /* G_OS_UNIX */
}
static void
do_test_server_auth (const char *listenable_address,
InteropFlags flags)
{
GError *error = NULL;
GDBusServer *server;
GDBusAuthObserver *observer;
GDBusServerFlags server_flags = G_DBUS_SERVER_FLAGS_RUN_IN_THREAD;
gchar *guid;
const char *connectable_address;
GDBusConnection *client;
GAsyncResult *result = NULL;
GVariant *tuple;
gint64 uid, pid;
#ifdef HAVE_DBUS1
/* GNOME/glib#1831 seems to involve a race condition, so try a few times
* to see if we can trigger it. */
gsize i;
gsize n = 20;
#endif
if (g_str_has_prefix (listenable_address, "tcp:") ||
g_str_has_prefix (listenable_address, "nonce-tcp:"))
g_assert_cmpint (flags & INTEROP_FLAGS_TCP, !=, 0);
else
g_assert_cmpint (flags & INTEROP_FLAGS_TCP, ==, 0);
g_test_message ("Testing GDBus server at %s / libdbus client, with flags: "
"external:%s "
"anonymous:%s "
"sha1:%s "
"tcp:%s",
listenable_address,
(flags & INTEROP_FLAGS_EXTERNAL) ? "true" : "false",
(flags & INTEROP_FLAGS_ANONYMOUS) ? "true" : "false",
(flags & INTEROP_FLAGS_SHA1) ? "true" : "false",
(flags & INTEROP_FLAGS_TCP) ? "true" : "false");
#ifndef G_OS_UNIX
if (g_str_has_prefix (listenable_address, "unix:"))
{
g_test_skip ("unix: addresses only work on Unix");
return;
}
#endif
#if !defined(G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED) \
&& !defined(G_CREDENTIALS_SOCKET_GET_CREDENTIALS_SUPPORTED)
if (flags & INTEROP_FLAGS_EXTERNAL)
{
g_test_skip ("EXTERNAL authentication not implemented on this platform");
return;
}
#endif
if (flags & INTEROP_FLAGS_ANONYMOUS)
server_flags |= G_DBUS_SERVER_FLAGS_AUTHENTICATION_ALLOW_ANONYMOUS;
observer = g_dbus_auth_observer_new ();
if (flags & INTEROP_FLAGS_EXTERNAL)
g_signal_connect (observer, "allow-mechanism",
G_CALLBACK (allow_external_cb), NULL);
else if (flags & INTEROP_FLAGS_ANONYMOUS)
g_signal_connect (observer, "allow-mechanism",
G_CALLBACK (allow_anonymous_cb), NULL);
else if (flags & INTEROP_FLAGS_SHA1)
g_signal_connect (observer, "allow-mechanism",
G_CALLBACK (allow_sha1_cb), NULL);
else
g_signal_connect (observer, "allow-mechanism",
G_CALLBACK (allow_any_mechanism_cb), NULL);
g_signal_connect (observer, "authorize-authenticated-peer",
G_CALLBACK (authorize_any_authenticated_peer_cb),
NULL);
guid = g_dbus_generate_guid ();
server = g_dbus_server_new_sync (listenable_address,
server_flags,
guid,
observer,
NULL,
&error);
g_assert_no_error (error);
g_assert_nonnull (server);
g_signal_connect (server, "new-connection", G_CALLBACK (new_connection_cb), NULL);
g_dbus_server_start (server);
connectable_address = g_dbus_server_get_client_address (server);
result = NULL;
g_dbus_connection_new_for_address (connectable_address,
G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
NULL, NULL, store_result_cb, &result);
while (result == NULL)
g_main_context_iteration (NULL, TRUE);
client = g_dbus_connection_new_for_address_finish (result, &error);
g_assert_no_error (error);
g_assert_nonnull (client);
g_clear_object (&result);
g_dbus_connection_call (client, NULL, "/", "com.example.Test", "WhoAmI",
NULL, G_VARIANT_TYPE ("(xx)"),
G_DBUS_CALL_FLAGS_NONE, -1, NULL, store_result_cb,
&result);
while (result == NULL)
g_main_context_iteration (NULL, TRUE);
tuple = g_dbus_connection_call_finish (client, result, &error);
g_assert_no_error (error);
g_assert_nonnull (tuple);
g_clear_object (&result);
g_clear_object (&client);
uid = -2;
pid = -2;
g_variant_get (tuple, "(xx)", &uid, &pid);
g_debug ("Server says GDBus client is uid %" G_GINT64_FORMAT ", pid %" G_GINT64_FORMAT,
uid, pid);
assert_expected_uid_pid (flags, uid, pid);
g_clear_pointer (&tuple, g_variant_unref);
#ifdef HAVE_DBUS1
for (i = 0; i < n; i++)
{
LibdbusCall libdbus_call = { DBUS_ERROR_INIT, NULL, NULL, NULL };
GTask *task;
libdbus_call.conn = dbus_connection_open_private (connectable_address,
&libdbus_call.error);
g_assert_cmpstr (libdbus_call.error.name, ==, NULL);
g_assert_nonnull (libdbus_call.conn);
libdbus_call.call = dbus_message_new_method_call (NULL, "/",
"com.example.Test",
"WhoAmI");
if (libdbus_call.call == NULL)
g_error ("Out of memory");
result = NULL;
task = g_task_new (NULL, NULL, store_result_cb, &result);
g_task_set_task_data (task, &libdbus_call, NULL);
g_task_run_in_thread (task, libdbus_call_task_cb);
while (result == NULL)
g_main_context_iteration (NULL, TRUE);
g_clear_object (&result);
g_assert_cmpstr (libdbus_call.error.name, ==, NULL);
g_assert_nonnull (libdbus_call.reply);
uid = -2;
pid = -2;
dbus_message_get_args (libdbus_call.reply, &libdbus_call.error,
DBUS_TYPE_INT64, &uid,
DBUS_TYPE_INT64, &pid,
DBUS_TYPE_INVALID);
g_assert_cmpstr (libdbus_call.error.name, ==, NULL);
g_debug ("Server says libdbus client %" G_GSIZE_FORMAT " is uid %" G_GINT64_FORMAT ", pid %" G_GINT64_FORMAT,
i, uid, pid);
assert_expected_uid_pid (flags | INTEROP_FLAGS_LIBDBUS, uid, pid);
dbus_connection_close (libdbus_call.conn);
dbus_connection_unref (libdbus_call.conn);
dbus_message_unref (libdbus_call.call);
dbus_message_unref (libdbus_call.reply);
g_clear_object (&task);
}
#else /* !HAVE_DBUS1 */
g_test_skip ("Testing interop with libdbus not supported");
#endif /* !HAVE_DBUS1 */
g_dbus_server_stop (server);
g_clear_object (&server);
g_clear_object (&observer);
g_free (guid);
}
static void
test_server_auth (void)
{
do_test_server_auth ("unix:tmpdir=/tmp/gdbus-test", INTEROP_FLAGS_NONE);
}
static void
test_server_auth_tcp (void)
{
do_test_server_auth ("tcp:host=127.0.0.1", INTEROP_FLAGS_TCP);
}
static void
test_server_auth_anonymous (void)
{
do_test_server_auth ("unix:tmpdir=/tmp/gdbus-test", INTEROP_FLAGS_ANONYMOUS);
}
static void
test_server_auth_anonymous_tcp (void)
{
do_test_server_auth ("tcp:host=127.0.0.1", INTEROP_FLAGS_ANONYMOUS | INTEROP_FLAGS_TCP);
}
static void
test_server_auth_external (void)
{
do_test_server_auth ("unix:tmpdir=/tmp/gdbus-test", INTEROP_FLAGS_EXTERNAL);
}
static void
test_server_auth_sha1 (void)
{
do_test_server_auth ("unix:tmpdir=/tmp/gdbus-test", INTEROP_FLAGS_SHA1);
}
static void
test_server_auth_sha1_tcp (void)
{
do_test_server_auth ("tcp:host=127.0.0.1", INTEROP_FLAGS_SHA1 | INTEROP_FLAGS_TCP);
}
int
main (int argc,
char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/gdbus/server-auth", test_server_auth);
g_test_add_func ("/gdbus/server-auth/tcp", test_server_auth_tcp);
g_test_add_func ("/gdbus/server-auth/anonymous", test_server_auth_anonymous);
g_test_add_func ("/gdbus/server-auth/anonymous/tcp", test_server_auth_anonymous_tcp);
g_test_add_func ("/gdbus/server-auth/external", test_server_auth_external);
g_test_add_func ("/gdbus/server-auth/sha1", test_server_auth_sha1);
g_test_add_func ("/gdbus/server-auth/sha1/tcp", test_server_auth_sha1_tcp);
return g_test_run();
}

10
gio/tests/meson.build
View File

@ -115,7 +115,15 @@ if dbus1_dep.found()
'gdbus-serialization' : {
'extra_sources' : ['gdbus-tests.c'],
'dependencies' : [dbus1_dep],
}
},
'gdbus-server-auth' : {
'dependencies' : [dbus1_dep],
},
}
else
# We can build a cut-down version of this test without libdbus
gio_tests += {
'gdbus-server-auth' : {},
}
endif