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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "sandbox/linux/seccomp-bpf/sandbox_bpf_test_runner.h"
#include <fcntl.h>
#include <memory>
#include "base/logging.h"
#include "sandbox/linux/bpf_dsl/policy.h"
#include "sandbox/linux/seccomp-bpf/die.h"
#include "sandbox/linux/seccomp-bpf/sandbox_bpf.h"
#include "sandbox/linux/system_headers/linux_filter.h"
#include "sandbox/linux/tests/unit_tests.h"
namespace sandbox {
SandboxBPFTestRunner::SandboxBPFTestRunner(
BPFTesterDelegate* bpf_tester_delegate)
: bpf_tester_delegate_(bpf_tester_delegate) {
}
SandboxBPFTestRunner::~SandboxBPFTestRunner() {
}
void SandboxBPFTestRunner::Run() {
DCHECK(bpf_tester_delegate_);
sandbox::Die::EnableSimpleExit();
std::unique_ptr<bpf_dsl::Policy> policy =
bpf_tester_delegate_->GetSandboxBPFPolicy();
if (sandbox::SandboxBPF::SupportsSeccompSandbox(
SandboxBPF::SeccompLevel::SINGLE_THREADED)) {
// Initialize and then start the sandbox with our custom policy
sandbox::SandboxBPF sandbox(std::move(policy));
SANDBOX_ASSERT(sandbox.StartSandbox(
sandbox::SandboxBPF::SeccompLevel::SINGLE_THREADED));
// Run the actual test.
bpf_tester_delegate_->RunTestFunction();
} else {
printf("This BPF test is not fully running in this configuration!\n");
// Android is the only configuration where we accept not having kernel
// BPF support.
if (!IsAndroid()) {
const bool seccomp_bpf_is_supported = false;
SANDBOX_ASSERT(seccomp_bpf_is_supported);
}
// Call the compiler and verify the policy. That's the least we can do,
// if we don't have kernel support.
sandbox::SandboxBPF sandbox(std::move(policy));
sandbox.AssembleFilter();
sandbox::UnitTests::IgnoreThisTest();
}
}
bool SandboxBPFTestRunner::ShouldCheckForLeaks() const {
// LSAN requires being able to use ptrace() and other system calls that could
// be denied.
return false;
}
} // namespace sandbox
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