From e54def4ad8144ab15f826416e2e0f290ef1901b4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 19 Jun 2024 23:00:30 +0200
Subject: Adding upstream version 6.9.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tools/testing/selftests/landlock/common.h | 97 ++++---------------------------
 1 file changed, 11 insertions(+), 86 deletions(-)

(limited to 'tools/testing/selftests/landlock/common.h')

diff --git a/tools/testing/selftests/landlock/common.h b/tools/testing/selftests/landlock/common.h
index e64bbdf0e8..7e2b431b9f 100644
--- a/tools/testing/selftests/landlock/common.h
+++ b/tools/testing/selftests/landlock/common.h
@@ -23,62 +23,8 @@
 #define __maybe_unused __attribute__((__unused__))
 #endif
 
-/*
- * TEST_F_FORK() is useful when a test drop privileges but the corresponding
- * FIXTURE_TEARDOWN() requires them (e.g. to remove files from a directory
- * where write actions are denied).  For convenience, FIXTURE_TEARDOWN() is
- * also called when the test failed, but not when FIXTURE_SETUP() failed.  For
- * this to be possible, we must not call abort() but instead exit smoothly
- * (hence the step print).
- */
-/* clang-format off */
-#define TEST_F_FORK(fixture_name, test_name) \
-	static void fixture_name##_##test_name##_child( \
-		struct __test_metadata *_metadata, \
-		FIXTURE_DATA(fixture_name) *self, \
-		const FIXTURE_VARIANT(fixture_name) *variant); \
-	TEST_F(fixture_name, test_name) \
-	{ \
-		int status; \
-		const pid_t child = fork(); \
-		if (child < 0) \
-			abort(); \
-		if (child == 0) { \
-			_metadata->no_print = 1; \
-			fixture_name##_##test_name##_child(_metadata, self, variant); \
-			if (_metadata->skip) \
-				_exit(255); \
-			if (_metadata->passed) \
-				_exit(0); \
-			_exit(_metadata->step); \
-		} \
-		if (child != waitpid(child, &status, 0)) \
-			abort(); \
-		if (WIFSIGNALED(status) || !WIFEXITED(status)) { \
-			_metadata->passed = 0; \
-			_metadata->step = 1; \
-			return; \
-		} \
-		switch (WEXITSTATUS(status)) { \
-		case 0: \
-			_metadata->passed = 1; \
-			break; \
-		case 255: \
-			_metadata->passed = 1; \
-			_metadata->skip = 1; \
-			break; \
-		default: \
-			_metadata->passed = 0; \
-			_metadata->step = WEXITSTATUS(status); \
-			break; \
-		} \
-	} \
-	static void fixture_name##_##test_name##_child( \
-		struct __test_metadata __attribute__((unused)) *_metadata, \
-		FIXTURE_DATA(fixture_name) __attribute__((unused)) *self, \
-		const FIXTURE_VARIANT(fixture_name) \
-			__attribute__((unused)) *variant)
-/* clang-format on */
+/* TEST_F_FORK() should not be used for new tests. */
+#define TEST_F_FORK(fixture_name, test_name) TEST_F(fixture_name, test_name)
 
 #ifndef landlock_create_ruleset
 static inline int
@@ -128,31 +74,19 @@ static void _init_caps(struct __test_metadata *const _metadata, bool drop_all)
 		EXPECT_EQ(0, cap_set_secbits(noroot));
 
 	cap_p = cap_get_proc();
-	EXPECT_NE(NULL, cap_p)
-	{
-		TH_LOG("Failed to cap_get_proc: %s", strerror(errno));
-	}
-	EXPECT_NE(-1, cap_clear(cap_p))
-	{
-		TH_LOG("Failed to cap_clear: %s", strerror(errno));
-	}
+	EXPECT_NE(NULL, cap_p);
+	EXPECT_NE(-1, cap_clear(cap_p));
 	if (!drop_all) {
 		EXPECT_NE(-1, cap_set_flag(cap_p, CAP_PERMITTED,
-					   ARRAY_SIZE(caps), caps, CAP_SET))
-		{
-			TH_LOG("Failed to cap_set_flag: %s", strerror(errno));
-		}
+					   ARRAY_SIZE(caps), caps, CAP_SET));
 	}
 
 	/* Automatically resets ambient capabilities. */
 	EXPECT_NE(-1, cap_set_proc(cap_p))
 	{
-		TH_LOG("Failed to cap_set_proc: %s", strerror(errno));
-	}
-	EXPECT_NE(-1, cap_free(cap_p))
-	{
-		TH_LOG("Failed to cap_free: %s", strerror(errno));
+		TH_LOG("Failed to set capabilities: %s", strerror(errno));
 	}
+	EXPECT_NE(-1, cap_free(cap_p));
 
 	/* Quickly checks that ambient capabilities are cleared. */
 	EXPECT_NE(-1, cap_get_ambient(caps[0]));
@@ -176,22 +110,13 @@ static void _change_cap(struct __test_metadata *const _metadata,
 	cap_t cap_p;
 
 	cap_p = cap_get_proc();
-	EXPECT_NE(NULL, cap_p)
-	{
-		TH_LOG("Failed to cap_get_proc: %s", strerror(errno));
-	}
-	EXPECT_NE(-1, cap_set_flag(cap_p, flag, 1, &cap, value))
-	{
-		TH_LOG("Failed to cap_set_flag: %s", strerror(errno));
-	}
+	EXPECT_NE(NULL, cap_p);
+	EXPECT_NE(-1, cap_set_flag(cap_p, flag, 1, &cap, value));
 	EXPECT_NE(-1, cap_set_proc(cap_p))
 	{
-		TH_LOG("Failed to cap_set_proc: %s", strerror(errno));
-	}
-	EXPECT_NE(-1, cap_free(cap_p))
-	{
-		TH_LOG("Failed to cap_free: %s", strerror(errno));
+		TH_LOG("Failed to set capability %d: %s", cap, strerror(errno));
 	}
+	EXPECT_NE(-1, cap_free(cap_p));
 }
 
 static void __maybe_unused set_cap(struct __test_metadata *const _metadata,
-- 
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