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[RFC,v3,04/19] selftests/landlock: Test adding a rule with each supported access

Message ID 20240904104824.1844082-5-ivanov.mikhail1@huawei-partners.com (mailing list archive)
State Handled Elsewhere
Headers show
Series Support socket access-control | expand

Commit Message

Mikhail Ivanov Sept. 4, 2024, 10:48 a.m. UTC
Add test that checks the possibility of adding rule of
`LANDLOCK_RULE_SOCKET` type with all possible access rights.

Signed-off-by: Mikhail Ivanov <ivanov.mikhail1@huawei-partners.com>
---
Changes since v2:
* Replaces EXPECT_EQ with ASSERT_EQ for close().
* Refactors commit message and title.

Changes since v1:
* Formats code with clang-format.
* Refactors commit message.
---
 .../testing/selftests/landlock/socket_test.c  | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

Comments

Günther Noack Sept. 10, 2024, 9:53 a.m. UTC | #1
On Wed, Sep 04, 2024 at 06:48:09PM +0800, Mikhail Ivanov wrote:
> Add test that checks the possibility of adding rule of
> `LANDLOCK_RULE_SOCKET` type with all possible access rights.
> 
> Signed-off-by: Mikhail Ivanov <ivanov.mikhail1@huawei-partners.com>
> ---
> Changes since v2:
> * Replaces EXPECT_EQ with ASSERT_EQ for close().
> * Refactors commit message and title.
> 
> Changes since v1:
> * Formats code with clang-format.
> * Refactors commit message.
> ---
>  .../testing/selftests/landlock/socket_test.c  | 31 +++++++++++++++++++
>  1 file changed, 31 insertions(+)
> 
> diff --git a/tools/testing/selftests/landlock/socket_test.c b/tools/testing/selftests/landlock/socket_test.c
> index 63bb269c9d07..cb23efd3ccc9 100644
> --- a/tools/testing/selftests/landlock/socket_test.c
> +++ b/tools/testing/selftests/landlock/socket_test.c
> @@ -16,6 +16,9 @@
>  
>  #include "common.h"
>  
> +#define ACCESS_LAST LANDLOCK_ACCESS_SOCKET_CREATE
> +#define ACCESS_ALL LANDLOCK_ACCESS_SOCKET_CREATE
> +
>  struct protocol_variant {
>  	int family;
>  	int type;
> @@ -294,4 +297,32 @@ TEST_F(protocol, create)
>  	EXPECT_EQ(EACCES, test_socket_variant(&self->prot));
>  }
>  
> +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->prot.family,
> +		.type = self->prot.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));
> +		}
> +	}
> +	ASSERT_EQ(0, close(ruleset_fd));
> +}
> +
>  TEST_HARNESS_MAIN
> -- 
> 2.34.1
> 

Reviewed-by: Günther Noack <gnoack@google.com>
diff mbox series

Patch

diff --git a/tools/testing/selftests/landlock/socket_test.c b/tools/testing/selftests/landlock/socket_test.c
index 63bb269c9d07..cb23efd3ccc9 100644
--- a/tools/testing/selftests/landlock/socket_test.c
+++ b/tools/testing/selftests/landlock/socket_test.c
@@ -16,6 +16,9 @@ 
 
 #include "common.h"
 
+#define ACCESS_LAST LANDLOCK_ACCESS_SOCKET_CREATE
+#define ACCESS_ALL LANDLOCK_ACCESS_SOCKET_CREATE
+
 struct protocol_variant {
 	int family;
 	int type;
@@ -294,4 +297,32 @@  TEST_F(protocol, create)
 	EXPECT_EQ(EACCES, test_socket_variant(&self->prot));
 }
 
+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->prot.family,
+		.type = self->prot.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));
+		}
+	}
+	ASSERT_EQ(0, close(ruleset_fd));
+}
+
 TEST_HARNESS_MAIN