diff options
| -rw-r--r-- | tests/.gitignore | 1 | ||||
| -rw-r--r-- | tests/Makefile.am | 1 | ||||
| -rw-r--r-- | tests/drm_get_client_auth.c | 85 |
3 files changed, 87 insertions, 0 deletions
diff --git a/tests/.gitignore b/tests/.gitignore index 6395c731..4f1b7c63 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -1,5 +1,6 @@ # Please keep sorted alphabetically ddi_compute_wrpll +drm_get_client_auth drm_vma_limiter drm_vma_limiter_cached drm_vma_limiter_cpu diff --git a/tests/Makefile.am b/tests/Makefile.am index ebd7c574..25f4c6b5 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -48,6 +48,7 @@ TESTS_progs_M = \ $(NULL) TESTS_progs = \ + drm_get_client_auth \ drm_vma_limiter \ drm_vma_limiter_cached \ drm_vma_limiter_cpu \ diff --git a/tests/drm_get_client_auth.c b/tests/drm_get_client_auth.c new file mode 100644 index 00000000..7bb23389 --- /dev/null +++ b/tests/drm_get_client_auth.c @@ -0,0 +1,85 @@ +/* + * Copyright © 2012,2013 Intel Corporation + * + * 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 (including the next + * paragraph) 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. + * + * Authors: + * Daniel Vetter <daniel.vetter@ffwll.ch> + * + * Based upon code from libva/va/drm/va_drm_auth.c: + */ + +/* + * Testcase: Check that the hollowed-out get_client ioctl still works for libva + * + * Oh dear, libva, why do you do such funny things? + */ + +#define _GNU_SOURCE +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <assert.h> +# include <sys/syscall.h> + +#include "drm.h" +#include "i915_drm.h" +#include "drmtest.h" + +/* Checks whether the thread id is the current thread */ +static bool +is_local_tid(pid_t tid) +{ + /* On Linux systems, drmGetClient() would return the thread ID + instead of the actual process ID */ + return syscall(SYS_gettid) == tid; +} + + +static bool check_auth(int fd) +{ + pid_t client_pid; + int i, auth, pid, uid; + unsigned long magic, iocs; + bool is_authenticated = false; + + client_pid = getpid(); + for (i = 0; !is_authenticated; i++) { + if (drmGetClient(fd, i, &auth, &pid, &uid, &magic, &iocs) != 0) + break; + is_authenticated = auth && (pid == client_pid || is_local_tid(pid)); + } + return is_authenticated; +} + +int main(int argc, char **argv) +{ + int fd; + bool auth; + + fd = drm_open_any(); + + /* root (which we run igt as) should always be authenticated */ + auth = check_auth(fd); + assert(auth); + + return 0; +} |