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/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#include <signal.h>
#include <stdio.h>
#include <sys/stat.h>
#include "s2n_test.h"
#include "testlib/s2n_testlib.h"
bool s2n_fstat_success = false;
bool s2n_open_success = false;
void s2n_detect_open_violation(int sig)
{
EXPECT_EQUAL(sig, SIGSYS);
EXPECT_TRUE(s2n_fstat_success);
EXPECT_FALSE(s2n_open_success);
END_TEST_PRINT();
exit(0);
}
int main(int argc, char **argv)
{
BEGIN_TEST();
if (!s2n_is_seccomp_supported()) {
END_TEST();
}
const struct sigaction action = {
.sa_handler = s2n_detect_open_violation,
};
EXPECT_EQUAL(sigaction(SIGSYS, &action, NULL), 0);
EXPECT_OK(s2n_seccomp_init());
/* The seccomp filter allows fstat */
struct stat st = { 0 };
EXPECT_SUCCESS(fstat(0, &st));
s2n_fstat_success = true;
/* The seccomp filter does NOT allow open */
FILE *file = fopen(S2N_DEFAULT_TEST_CERT_CHAIN, "r");
s2n_open_success = true;
EXPECT_NOT_NULL(file);
FAIL_MSG("test unexpectedly succeeded");
}
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