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Message-ID: <20240524093015.2402952-5-ivanov.mikhail1@huawei-partners.com>
Date: Fri, 24 May 2024 17:30:07 +0800
From: Mikhail Ivanov <ivanov.mikhail1@...wei-partners.com>
To: <mic@...ikod.net>
CC: <willemdebruijn.kernel@...il.com>, <gnoack3000@...il.com>,
	<linux-security-module@...r.kernel.org>, <netdev@...r.kernel.org>,
	<netfilter-devel@...r.kernel.org>, <yusongping@...wei.com>,
	<artem.kuzin@...wei.com>, <konstantin.meskhidze@...wei.com>
Subject: [RFC PATCH v2 04/12] selftests/landlock: Add protocol.socket_access_rights to socket tests

Add test that checks possibility of adding rule with every possible
access right.

Signed-off-by: Mikhail Ivanov <ivanov.mikhail1@...wei-partners.com>
---

Changes since v1:
* Formats code with clang-format.
* Refactors commit message.
---
 .../testing/selftests/landlock/socket_test.c  | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/tools/testing/selftests/landlock/socket_test.c b/tools/testing/selftests/landlock/socket_test.c
index 4c51f89ed578..eb5d62263460 100644
--- a/tools/testing/selftests/landlock/socket_test.c
+++ b/tools/testing/selftests/landlock/socket_test.c
@@ -178,4 +178,32 @@ TEST_F(protocol, create)
 	ASSERT_EQ(EAFNOSUPPORT, test_socket(&self->unspec_srv0));
 }
 
+TEST_F(protocol, socket_access_rights)
+{
+	const struct landlock_ruleset_attr ruleset_attr = {
+		.handled_access_socket = ACCESS_ALL,
+	};
+	struct landlock_socket_attr protocol = {
+		.family = self->srv0.protocol.family,
+		.type = self->srv0.protocol.type,
+	};
+	int ruleset_fd;
+	__u64 access;
+
+	ruleset_fd =
+		landlock_create_ruleset(&ruleset_attr, sizeof(ruleset_attr), 0);
+	ASSERT_LE(0, ruleset_fd);
+
+	for (access = 1; access <= ACCESS_LAST; access <<= 1) {
+		protocol.allowed_access = access;
+		EXPECT_EQ(0, landlock_add_rule(ruleset_fd, LANDLOCK_RULE_SOCKET,
+					       &protocol, 0))
+		{
+			TH_LOG("Failed to add rule with access 0x%llx: %s",
+			       access, strerror(errno));
+		}
+	}
+	EXPECT_EQ(0, close(ruleset_fd));
+}
+
 TEST_HARNESS_MAIN
-- 
2.34.1


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