mirror of
https://gitlab.gnome.org/GNOME/glib.git
synced 2024-12-28 00:16:15 +01:00
8fd71dccc5
As those tests keep failing in the CI, enable GDBus debugging to catch some debug leads when the problems happen.
534 lines
16 KiB
C
534 lines
16 KiB
C
/*
|
|
* 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 <errno.h>
|
|
|
|
#include <glib/gstdio.h>
|
|
#include <gio/gio.h>
|
|
|
|
/* For G_CREDENTIALS_*_SUPPORTED */
|
|
#include <gio/gcredentialsprivate.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_ABSTRACT = (1 << 5),
|
|
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 (InteropFlags flags)
|
|
{
|
|
GError *error = NULL;
|
|
gchar *tmpdir = NULL;
|
|
gchar *listenable_address = NULL;
|
|
GDBusServer *server = NULL;
|
|
GDBusAuthObserver *observer = NULL;
|
|
GDBusServerFlags server_flags = G_DBUS_SERVER_FLAGS_RUN_IN_THREAD;
|
|
gchar *guid = NULL;
|
|
const char *connectable_address;
|
|
GDBusConnection *client = NULL;
|
|
GAsyncResult *result = NULL;
|
|
GVariant *tuple = NULL;
|
|
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 (flags & INTEROP_FLAGS_TCP)
|
|
{
|
|
listenable_address = g_strdup ("tcp:host=127.0.0.1");
|
|
}
|
|
else
|
|
{
|
|
#ifdef G_OS_UNIX
|
|
gchar *escaped;
|
|
|
|
tmpdir = g_dir_make_tmp ("gdbus-server-auth-XXXXXX", &error);
|
|
g_assert_no_error (error);
|
|
escaped = g_dbus_address_escape_value (tmpdir);
|
|
listenable_address = g_strdup_printf ("unix:%s=%s",
|
|
(flags & INTEROP_FLAGS_ABSTRACT) ? "tmpdir" : "dir",
|
|
escaped);
|
|
g_free (escaped);
|
|
#else
|
|
g_test_skip ("unix: addresses only work on Unix");
|
|
goto out;
|
|
#endif
|
|
}
|
|
|
|
g_test_message ("Testing GDBus server at %s / libdbus client, with flags: "
|
|
"external:%s "
|
|
"anonymous:%s "
|
|
"sha1:%s "
|
|
"abstract:%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_ABSTRACT) ? "true" : "false",
|
|
(flags & INTEROP_FLAGS_TCP) ? "true" : "false");
|
|
|
|
#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");
|
|
goto out;
|
|
}
|
|
#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);
|
|
g_test_message ("Connectable address: %s", connectable_address);
|
|
|
|
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 */
|
|
|
|
/* No practical effect, just to avoid -Wunused-label under some
|
|
* combinations of #ifdefs */
|
|
goto out;
|
|
|
|
out:
|
|
if (server != NULL)
|
|
g_dbus_server_stop (server);
|
|
|
|
if (tmpdir != NULL)
|
|
g_assert_cmpstr (g_rmdir (tmpdir) == 0 ? "OK" : g_strerror (errno),
|
|
==, "OK");
|
|
|
|
g_clear_object (&server);
|
|
g_clear_object (&observer);
|
|
g_free (guid);
|
|
g_free (listenable_address);
|
|
g_free (tmpdir);
|
|
}
|
|
|
|
static void
|
|
test_server_auth (void)
|
|
{
|
|
do_test_server_auth (INTEROP_FLAGS_NONE);
|
|
}
|
|
|
|
static void
|
|
test_server_auth_abstract (void)
|
|
{
|
|
do_test_server_auth (INTEROP_FLAGS_ABSTRACT);
|
|
}
|
|
|
|
static void
|
|
test_server_auth_tcp (void)
|
|
{
|
|
do_test_server_auth (INTEROP_FLAGS_TCP);
|
|
}
|
|
|
|
static void
|
|
test_server_auth_anonymous (void)
|
|
{
|
|
do_test_server_auth (INTEROP_FLAGS_ANONYMOUS);
|
|
}
|
|
|
|
static void
|
|
test_server_auth_anonymous_tcp (void)
|
|
{
|
|
do_test_server_auth (INTEROP_FLAGS_ANONYMOUS | INTEROP_FLAGS_TCP);
|
|
}
|
|
|
|
static void
|
|
test_server_auth_external (void)
|
|
{
|
|
do_test_server_auth (INTEROP_FLAGS_EXTERNAL);
|
|
}
|
|
|
|
static void
|
|
test_server_auth_sha1 (void)
|
|
{
|
|
do_test_server_auth (INTEROP_FLAGS_SHA1);
|
|
}
|
|
|
|
static void
|
|
test_server_auth_sha1_tcp (void)
|
|
{
|
|
do_test_server_auth (INTEROP_FLAGS_SHA1 | INTEROP_FLAGS_TCP);
|
|
}
|
|
|
|
int
|
|
main (int argc,
|
|
char *argv[])
|
|
{
|
|
/* FIXME: Add debug for https://gitlab.gnome.org/GNOME/glib/issues/1954 */
|
|
g_setenv ("G_DBUS_DEBUG", "all", TRUE);
|
|
|
|
g_test_init (&argc, &argv, NULL);
|
|
|
|
g_test_add_func ("/gdbus/server-auth", test_server_auth);
|
|
g_test_add_func ("/gdbus/server-auth/abstract", test_server_auth_abstract);
|
|
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();
|
|
}
|