sandboxed-api/oss-internship-2020/lodepng/examples/sandbox.h
Copybara-Service d292a9af7b Merge pull request #52 from andreimedar:master
PiperOrigin-RevId: 334560525
Change-Id: I605ce78638ebfd7a88811879c4185bb4e107d915
2020-09-30 02:56:32 -07:00

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1.4 KiB
C++

// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License 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.
#ifndef LODEPNG_EXAMPLES_SANDBOX_H_
#define LODEPNG_EXAMPLES_SANDBOX_H_
#include <syscall.h>
#include "lodepng_sapi.sapi.h" // NOLINT(build/include)
class SapiLodepngSandbox : public LodepngSandbox {
public:
explicit SapiLodepngSandbox(const std::string& images_path)
: images_path_(images_path) {}
private:
std::unique_ptr<sandbox2::Policy> ModifyPolicy(
sandbox2::PolicyBuilder*) override {
return sandbox2::PolicyBuilder()
.AllowRead()
.AllowWrite()
.AllowOpen()
.AllowSystemMalloc()
.AllowExit()
.AllowStat()
.AddDirectoryAt(images_path_, "/output/", /*is_ro=*/false)
.AllowSyscalls({
__NR_futex,
__NR_lseek,
__NR_close,
})
.BuildOrDie();
}
const std::string images_path_;
};
#endif // LODEPNG_EXAMPLES_SANDBOX__