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804e11f40d
Add a header that includes all the headers for the library. This allows reorganisation of the library without affecting programs using it and also simplifies the headers that need to be included to use the library. 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_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_any();
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int fd2 = drm_open_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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