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9bac14973d
Helps: https://gitlab.freedesktop.org/dbus/dbus/-/issues/343 Signed-off-by: Simon McVittie <smcv@collabora.com>
143 lines
3.2 KiB
C
143 lines
3.2 KiB
C
/*
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* Copyright © 2023 Collabora Ltd.
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* SPDX-License-Identifier: MIT
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*/
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#include <config.h>
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#include <glib.h>
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#include <dbus/dbus.h>
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#include "dbus/dbus-sysdeps.h"
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#include "test-utils-glib.h"
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#ifdef DBUS_UNIX
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#include <errno.h>
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#include <pwd.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "dbus/dbus-sysdeps-unix.h"
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#include "dbus/dbus-userdb.h"
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#endif
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typedef struct
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{
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int dummy;
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} Fixture;
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static void
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setup (Fixture *f G_GNUC_UNUSED,
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gconstpointer context G_GNUC_UNUSED)
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{
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}
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static void
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test_groups_from_uid (Fixture *f,
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gconstpointer context G_GNUC_UNUSED)
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{
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DBusError error = DBUS_ERROR_INIT;
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dbus_gid_t *gids = NULL;
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int n_gids = -1;
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dbus_bool_t ret;
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#ifdef DBUS_UNIX
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int i;
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#endif
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/* We assume that uid 0 (root) is available on all Unix systems,
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* so this should succeed */
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ret = _dbus_unix_groups_from_uid (0, &gids, &n_gids, &error);
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#ifdef DBUS_UNIX
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test_assert_no_error (&error);
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g_assert_true (ret);
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g_assert_cmpint (n_gids, >=, 0);
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g_test_message ("Groups of uid 0:");
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for (i = 0; i < n_gids; i++)
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{
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g_test_message ("[%d]: %ld", i, (long) gids[i]);
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g_assert_cmpint (gids[i], >=, 0);
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}
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#else
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g_assert_cmpstr (error.name, ==, DBUS_ERROR_NOT_SUPPORTED);
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g_assert_false (ret);
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g_test_message ("Getting Unix groups on Windows failed as expected: %s: %s",
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error.name, error.message);
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g_assert_null (gids);
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g_assert_cmpint (n_gids, <=, 0);
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#endif
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dbus_free (gids);
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dbus_error_free (&error);
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#ifdef DBUS_UNIX
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/* Assume that the current uid is something sensible */
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ret = _dbus_unix_groups_from_uid (geteuid (), &gids, &n_gids, &error);
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test_assert_no_error (&error);
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g_assert_true (ret);
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g_assert_cmpint (n_gids, >=, 0);
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g_test_message ("Groups of uid %ld:", (long) geteuid ());
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for (i = 0; i < n_gids; i++)
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{
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g_test_message ("[%d]: %ld", i, (long) gids[i]);
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g_assert_cmpint (gids[i], >=, 0);
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}
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g_test_message ("Total: %i groups", n_gids);
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dbus_free (gids);
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dbus_error_free (&error);
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errno = 0;
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/* arbitrarily chosen, probably isn't a valid uid */
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if (getpwuid (31337) == NULL)
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{
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g_test_message ("uid 31337 doesn't exist: %s",
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errno == 0 ? "(no errno)" : g_strerror (errno));
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ret = _dbus_unix_groups_from_uid (31337, &gids, &n_gids, &error);
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g_assert_nonnull (error.name);
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g_assert_nonnull (error.message);
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g_assert_false (ret);
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g_test_message ("Getting groups from non-uid failed as expected: %s: %s",
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error.name, error.message);
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/* The Unix implementation always clears gids/n_gids,
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* even on failure, and even if they were uninitialized */
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g_assert_null (gids);
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g_assert_cmpint (n_gids, ==, 0);
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dbus_free (gids);
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dbus_error_free (&error);
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}
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else
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{
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g_test_skip ("against our expectations, uid 31337 exists on this system");
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}
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#endif
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}
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static void
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teardown (Fixture *f G_GNUC_UNUSED,
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gconstpointer context G_GNUC_UNUSED)
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{
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}
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int
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main (int argc,
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char **argv)
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{
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int ret;
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test_init (&argc, &argv);
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g_test_add ("/userdb/groups_from_uid",
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Fixture, NULL, setup, test_groups_from_uid, teardown);
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ret = g_test_run ();
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dbus_shutdown ();
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return ret;
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}
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