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https://github.com/tiagovignatti/intel-gpu-tools.git
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253544f7a3
Signed-off-by: Micah Fedke <micah.fedke@collabora.co.uk> Signed-off-by: Thomas Wood <thomas.wood@intel.com>
106 lines
2.7 KiB
C
106 lines
2.7 KiB
C
/*
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* Copyright © 2012,2013 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Daniel Vetter <daniel.vetter@ffwll.ch>
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*
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* Based upon code from libva/va/drm/va_drm_auth.c:
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*/
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/*
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* Testcase: Check that the hollowed-out get_client ioctl still works for libva
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*
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* Oh dear, libva, why do you do such funny things?
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*/
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#define _GNU_SOURCE
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#include "igt.h"
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#ifdef __linux__
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# include <sys/syscall.h>
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#else
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# include <pthread.h>
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#endif
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#include "drm.h"
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/* Checks whether the thread id is the current thread */
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static bool
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is_local_tid(pid_t tid)
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{
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#ifndef __linux__
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return pthread_self() == tid;
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#elif !defined(ANDROID)
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/* On Linux systems, drmGetClient() would return the thread ID
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instead of the actual process ID */
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return syscall(SYS_gettid) == tid;
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#else
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return gettid() == tid;
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#endif
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}
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static bool check_auth(int fd)
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{
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pid_t client_pid;
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int i, auth, pid, uid;
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unsigned long magic, iocs;
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bool is_authenticated = false;
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client_pid = getpid();
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for (i = 0; !is_authenticated; i++) {
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if (drmGetClient(fd, i, &auth, &pid, &uid, &magic, &iocs) != 0)
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break;
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is_authenticated = auth && (pid == client_pid || is_local_tid(pid));
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}
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return is_authenticated;
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}
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igt_main
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{
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/* root (which we run igt as) should always be authenticated */
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igt_subtest("simple") {
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int fd = drm_open_driver(DRIVER_ANY);
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igt_assert(check_auth(fd) == true);
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close(fd);
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}
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igt_subtest("master-drop") {
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int fd = drm_open_driver(DRIVER_ANY);
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int fd2 = drm_open_driver(DRIVER_ANY);
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igt_assert(check_auth(fd2) == true);
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close(fd);
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igt_assert(check_auth(fd2) == true);
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close(fd2);
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}
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}
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