[igt-dev] [PATCH i-g-t] tests/core_auth: Merge getclient subtests

[Daniel Vetter <daniel.vetter@ffwll.ch>]

Emil has another auth test which could use the check_auth function, so
best to merge them all.

We need a subtest group and put the tests which need to fully control
who's master and how many open drm fd there are first.

Cc: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
---
 tests/Makefile.sources       |   1 -
 tests/core_auth.c            |  75 +++++++++++++++++++++++---
 tests/core_get_client_auth.c | 102 -----------------------------------
 tests/meson.build            |   1 -
 4 files changed, 68 insertions(+), 111 deletions(-)
 delete mode 100644 tests/core_get_client_auth.c

diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index 0de5154c5f4b..1de7762fda95 100644
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -13,7 +13,6 @@ AMDGPU_TESTS = \
 
 TESTS_progs = \
 	core_auth \
-	core_get_client_auth \
 	core_getclient \
 	core_getstats \
 	core_getversion \
diff --git a/tests/core_auth.c b/tests/core_auth.c
index cedcff923937..0c016a37f654 100644
--- a/tests/core_auth.c
+++ b/tests/core_auth.c
@@ -42,8 +42,44 @@
 #include <sys/resource.h>
 #include "drm.h"
 
+#ifdef __linux__
+# include <sys/syscall.h>
+#else
+# include <pthread.h>
+#endif
+
 IGT_TEST_DESCRIPTION("Call drmGetMagic() and drmAuthMagic() and see if it behaves.");
 
+static bool
+is_local_tid(pid_t tid)
+{
+#ifndef __linux__
+	return pthread_self() == tid;
+#else
+	/* On Linux systems, drmGetClient() would return the thread ID
+	   instead of the actual process ID */
+	return syscall(SYS_gettid) == tid;
+#endif
+}
+
+
+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;
+}
+
+
 static int magic_cmp(const void *p1, const void *p2)
 {
 	return *(const drm_magic_t*)p1 < *(const drm_magic_t*)p2;
@@ -158,13 +194,38 @@ igt_main
 {
 	int master;
 
-	igt_fixture
-		master = drm_open_driver_master(DRIVER_ANY);
+	/* root (which we run igt as) should always be authenticated */
+	igt_subtest("getclient-simple") {
+		int fd = drm_open_driver(DRIVER_ANY);
 
-	igt_subtest("basic-auth")
-		test_basic_auth(master);
+		igt_assert(check_auth(fd) == true);
 
-	/* this must be last, we adjust the rlimit */
-	igt_subtest("many-magics")
-		test_many_magics(master);
+		close(fd);
+	}
+
+	igt_subtest("getclient-master-drop") {
+		int fd = drm_open_driver(DRIVER_ANY);
+		int fd2 = drm_open_driver(DRIVER_ANY);
+
+		igt_assert(check_auth(fd2) == true);
+
+		close(fd);
+
+		igt_assert(check_auth(fd2) == true);
+
+		close(fd2);
+	}
+
+	/* above tests require that no drm fd is open */
+	igt_subtest_group {
+		igt_fixture
+			master = drm_open_driver_master(DRIVER_ANY);
+
+		igt_subtest("basic-auth")
+			test_basic_auth(master);
+
+		/* this must be last, we adjust the rlimit */
+		igt_subtest("many-magics")
+			test_many_magics(master);
+	}
 }
diff --git a/tests/core_get_client_auth.c b/tests/core_get_client_auth.c
deleted file mode 100644
index 9c64699d83a9..000000000000
--- a/tests/core_get_client_auth.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * 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?
- */
-
-#include "igt.h"
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#ifdef __linux__
-# include <sys/syscall.h>
-#else
-# include <pthread.h>
-#endif
-
-#include "drm.h"
-
-/* Checks whether the thread id is the current thread */
-static bool
-is_local_tid(pid_t tid)
-{
-#ifndef __linux__
-	return pthread_self() == tid;
-#else
-	/* On Linux systems, drmGetClient() would return the thread ID
-	   instead of the actual process ID */
-	return syscall(SYS_gettid) == tid;
-#endif
-}
-
-
-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;
-}
-
-
-igt_main
-{
-	/* root (which we run igt as) should always be authenticated */
-	igt_subtest("simple") {
-		int fd = drm_open_driver(DRIVER_ANY);
-
-		igt_assert(check_auth(fd) == true);
-
-		close(fd);
-	}
-
-	igt_subtest("master-drop") {
-		int fd = drm_open_driver(DRIVER_ANY);
-		int fd2 = drm_open_driver(DRIVER_ANY);
-
-		igt_assert(check_auth(fd2) == true);
-
-		close(fd);
-
-		igt_assert(check_auth(fd2) == true);
-
-		close(fd2);
-	}
-}
diff --git a/tests/meson.build b/tests/meson.build
index b8a6e61b3404..6a23811f4f58 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -1,6 +1,5 @@
 test_progs = [
 	'core_auth',
-	'core_get_client_auth',
 	'core_getclient',
 	'core_getstats',
 	'core_getversion',
-- 
2.20.1

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