sandboxed-api/oss-internship-2020/sapi_lodepng/sandbox.h

56 lines
1.6 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 SAPI_LODEPNG_SANDBOX_H_
#define SAPI_LODEPNG_SANDBOX_H_
#include <syscall.h>
#include <unistd.h>
#include "lodepng_sapi.sapi.h"
// TODO change this with the location on your own machine
#define base_path \
"/usr/local/google/home/amedar/internship/sandboxed-api/" \
"oss-internship-2020/sapi_lodepng/"
class SapiLodepngSandbox : public LodepngSandbox {
public:
SapiLodepngSandbox(const std::string &images_path)
: images_path_(images_path) {}
std::unique_ptr<sandbox2::Policy> ModifyPolicy(
sandbox2::PolicyBuilder *) override {
return sandbox2::PolicyBuilder()
.AllowStaticStartup()
.AllowRead()
.AllowWrite()
.AllowOpen()
.AllowSystemMalloc()
.AllowExit()
.AllowStat()
.AddDirectoryAt(images_path_, "/output/", /*is_ro=*/false)
.AllowSyscalls({
__NR_futex,
__NR_lseek,
__NR_close,
})
.BuildOrDie();
}
private:
std::string images_path_;
};
#endif // SAPI_LODEPNG_SANDBOX_H_