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/* Targeted unit tests for OOM paths in DBusServer
*
* Copyright © 2017 Collabora Ltd.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <config.h>
#include <string.h>
#include <glib.h>
#include <dbus/dbus.h>
#include "dbus/dbus-internals.h"
#include "dbus/dbus-pipe.h"
#include "dbus/dbus-server-socket.h"
#include "test-utils-glib.h"
/* Return TRUE if the right thing happens, but the right thing might include
* OOM. */
static dbus_bool_t
test_new_server (void *user_data,
dbus_bool_t have_memory)
{
const char *listen_address = user_data;
DBusError error = DBUS_ERROR_INIT;
DBusServer *server = NULL;
dbus_bool_t result = FALSE;
#ifdef DBUS_WIN
if (strstr (listen_address, "bind=*") != NULL)
{
g_test_skip ("bind=* not tested on Windows to avoid a firewall-exception request (dbus#64)");
result = TRUE;
goto out;
}
#endif
server = dbus_server_listen (listen_address, &error);
if (server == NULL)
goto out;
result = TRUE;
out:
if (have_memory || result)
{
test_assert_no_error (&error);
}
else
{
g_assert_cmpstr (error.name, ==, DBUS_ERROR_NO_MEMORY);
result = TRUE;
}
if (server != NULL)
dbus_server_disconnect (server);
dbus_clear_server (&server);
dbus_error_free (&error);
return result;
}
typedef struct
{
const gchar *name;
DBusTestMemoryFunction function;
const void *data;
} OOMTestCase;
static void
test_oom_wrapper (gconstpointer data)
{
const OOMTestCase *test = data;
if (g_str_has_prefix (test->data, "unix:") &&
!test_check_af_unix_works ())
return;
if ((g_str_has_prefix (test->data, "tcp:") ||
g_str_has_prefix (test->data, "nonce-tcp:")) &&
!test_check_tcp_works ())
return;
if (!_dbus_test_oom_handling (test->name, test->function,
(void *) test->data))
{
g_test_message ("OOM test failed");
g_test_fail ();
}
}
static GQueue *test_cases_to_free = NULL;
static void
add_oom_test (const gchar *name,
DBusTestMemoryFunction function,
const void *data)
{
/* By using GLib memory allocation here, we avoid being affected by
* dbus_shutdown() or contributing to
* _dbus_get_malloc_blocks_outstanding() */
OOMTestCase *test_case = g_new0 (OOMTestCase, 1);
test_case->name = name;
test_case->function = function;
test_case->data = data;
g_test_add_data_func (name, test_case, test_oom_wrapper);
g_queue_push_tail (test_cases_to_free, test_case);
}
int
main (int argc,
char **argv)
{
int ret;
#ifdef DBUS_UNIX
char *tmp = _dbus_strdup ("/tmp");
#else
char *tmp = dbus_address_escape_value (g_get_tmp_dir ());
#endif
gchar *unix_tmpdir = g_strdup_printf ("unix:tmpdir=%s", tmp);
test_init (&argc, &argv);
test_cases_to_free = g_queue_new ();
add_oom_test ("/server/new-tcp", test_new_server, "tcp:host=127.0.0.1,bind=127.0.0.1");
add_oom_test ("/server/new-nonce-tcp", test_new_server, "nonce-tcp:host=127.0.0.1,bind=127.0.0.1");
add_oom_test ("/server/new-tcp-star", test_new_server, "tcp:host=127.0.0.1,bind=*");
add_oom_test ("/server/new-tcp-v4", test_new_server, "tcp:host=127.0.0.1,bind=127.0.0.1,family=ipv4");
add_oom_test ("/server/unix", test_new_server, unix_tmpdir);
ret = g_test_run ();
g_queue_free_full (test_cases_to_free, g_free);
dbus_shutdown ();
g_free (unix_tmpdir);
dbus_free (tmp);
return ret;
}
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