netdev - Re: [PATCH v8 09/12] selftests/landlock: Share enforce

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Date:   Mon, 28 Nov 2022 07:02:19 +0300
From:   "Konstantin Meskhidze (A)" <konstantin.meskhidze@...wei.com>
To:     Mickaël Salaün <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>, <artem.kuzin@...wei.com>
Subject: Re: [PATCH v8 09/12] selftests/landlock: Share enforce_ruleset()



11/17/2022 9:43 PM, Mickaël Salaün пишет:
> 
> On 21/10/2022 17:26, Konstantin Meskhidze wrote:
>> This commit moves enforce_ruleset() helper function to common.h so that
>> to be used both by filesystem tests and network ones.
>> 
>> Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@...wei.com>
>> ---
>> 
>> Changes since v7:
>> * Refactors commit message.
>> 
>> Changes since v6:
>> * None.
>> 
>> Changes since v5:
>> * Splits commit.
>> * Moves enforce_ruleset helper into common.h
>> * Formats code with clang-format-14.
>> 
>> ---
>>   tools/testing/selftests/landlock/common.h  | 10 ++++++++++
>>   tools/testing/selftests/landlock/fs_test.c | 10 ----------
>>   2 files changed, 10 insertions(+), 10 deletions(-)
>> 
>> diff --git a/tools/testing/selftests/landlock/common.h b/tools/testing/selftests/landlock/common.h
>> index d7987ae8d7fc..bafed1c0c2a6 100644
>> --- a/tools/testing/selftests/landlock/common.h
>> +++ b/tools/testing/selftests/landlock/common.h
>> @@ -256,3 +256,13 @@ static int __maybe_unused send_fd(int usock, int fd_tx)
>>   		return -errno;
>>   	return 0;
>>   }
>> +
>> +__attribute__((__unused__)) static void
> 
> We can now use __maybe_unused instead. This enables to avoid
> checkpatch.pl warning.

  Ok. Will be refactored. Thanks.
> 
> 
>> +enforce_ruleset(struct __test_metadata *const _metadata, const int ruleset_fd)
>> +{
>> +	ASSERT_EQ(0, prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0));
>> +	ASSERT_EQ(0, landlock_restrict_self(ruleset_fd, 0))
>> +	{
>> +		TH_LOG("Failed to enforce ruleset: %s", strerror(errno));
>> +	}
>> +}
>> diff --git a/tools/testing/selftests/landlock/fs_test.c b/tools/testing/selftests/landlock/fs_test.c
>> index d5dab986f612..20c1ac8485f1 100644
>> --- a/tools/testing/selftests/landlock/fs_test.c
>> +++ b/tools/testing/selftests/landlock/fs_test.c
>> @@ -563,16 +563,6 @@ static int create_ruleset(struct __test_metadata *const _metadata,
>>   	return ruleset_fd;
>>   }
>> 
>> -static void enforce_ruleset(struct __test_metadata *const _metadata,
>> -			    const int ruleset_fd)
>> -{
>> -	ASSERT_EQ(0, prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0));
>> -	ASSERT_EQ(0, landlock_restrict_self(ruleset_fd, 0))
>> -	{
>> -		TH_LOG("Failed to enforce ruleset: %s", strerror(errno));
>> -	}
>> -}
>> -
>>   TEST_F_FORK(layout1, proc_nsfs)
>>   {
>>   	const struct rule rules[] = {
>> --
>> 2.25.1
>> 
> .